초록
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The invention relates to a high pressure water pump and a steam powered nailing gun having the high pressure water pump. In certain embodiments, high pressure water pump includes: an upper pump body, a lower pump body, a water discharge valve, a water intake valve, a plunger, a guide sleeve, a hammering cap, an adjustment knob, and an evacuation valve. Both upper and lower pump body are connected by connecting bolts. A sealing ring is disposed between upper and lower pump body and a sealing element is disposed between the upper pump body and plunger. Plu...
The invention relates to a high pressure water pump and a steam powered nailing gun having the high pressure water pump. In certain embodiments, high pressure water pump includes: an upper pump body, a lower pump body, a water discharge valve, a water intake valve, a plunger, a guide sleeve, a hammering cap, an adjustment knob, and an evacuation valve. Both upper and lower pump body are connected by connecting bolts. A sealing ring is disposed between upper and lower pump body and a sealing element is disposed between the upper pump body and plunger. Plunger is sheathed in upper pump body. The hammering cap is threadedly connected to the plunger. The adjustment knob is connected to an upper end of upper pump body. The hammering cap is moveably connected to the adjustment knob through the plunger. A plunger reset spring is disposed between hammering cap and adjustment knob.
대표
청구항
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1. A high pressure water pump, comprising: an upper pump body;a lower pump body;a water discharge valve;a water intake valve;a plunger;a guide sleeve;a hammering cap;an adjustment knob; andan evacuation valve, wherein the upper pump body and the lower pump body are connected by a plurality of connecting bolts, a sealing ring is disposed between the upper pump body and the lower pump body, a sealing element is disposed between the upper pump body and the plunger, the plunger is sheathed in the upper pump body, the hammering cap is connected to an upper en...
1. A high pressure water pump, comprising: an upper pump body;a lower pump body;a water discharge valve;a water intake valve;a plunger;a guide sleeve;a hammering cap;an adjustment knob; andan evacuation valve, wherein the upper pump body and the lower pump body are connected by a plurality of connecting bolts, a sealing ring is disposed between the upper pump body and the lower pump body, a sealing element is disposed between the upper pump body and the plunger, the plunger is sheathed in the upper pump body, the hammering cap is connected to an upper end of the plunger by threads, the adjustment knob is connected to an upper end of the upper pump body, the hammering cap is moveably connected to the adjustment knob through the plunger, and a plunger reset spring is disposed between the hammering cap and the adjustment knob. 2. The high pressure water pump according to claim 1, wherein the water intake valve, the water discharge valve, and the evacuation valve are disposed along the circumference of the lower pump body, and form a “Y” shaped three distribution channels on a same plane in the lower pump body. 3. The high pressure water pump according to claim 2, wherein a working chamber is formed between the plunger, the upper pump body and the lower pump body. 4. The high pressure water pump according to claim 3, wherein a water intake channel is formed at an end of the corresponding water intake valve, a water discharge channel is formed at an end of the corresponding water discharge valve, an evacuation channel is formed at an end of the corresponding evacuation valve, and the water intake channel, the water discharge channel, and the evacuation valve are connected at the working chamber inside of the lower pump body. 5. The high pressure water pump according to claim 3, wherein the water intake valve is a check valve allowing water to flow into the working chamber from outside through the water intake valve. 6. The high pressure water pump according to claim 3, wherein the water discharge valve is a check valve allowing water to flow out of the working chamber through the water discharge valve. 7. The high pressure water pump according to claim 1, wherein the water intake valve comprises an intake valve seat, an intake valve core, and an intake restoring spring, wherein each of the intake valve seat and the intake valve core has a sealing surface, and the sealing surfaces of the intake valve seat and the intake valve core are attached closely under a preloaded pressure of the intake restoring spring. 8. The high pressure water pump according to claim 1, wherein the water discharge valve comprises a water intake port, a water discharge port, a discharge valve seat, a discharge valve core, a limiting rod, a discharge restoring spring, a discharge valve body, a locknut, and a water discharge pipe, wherein the discharge valve body has a first end connected to the discharge valve seat and a second end connected to a water discharge pipe, the discharge valve core is disposed inside the discharge valve seat, the discharge valve core has a first end connected to the water intake port and a second end connected to the limiting rod, the limiting rod is located inside the discharge valve body, the discharge valve seat and the discharge valve core are coupled fitted parts, the fit clearance is 0.001 mm-0.003 mm, and a gap is formed between the discharge valve core and the discharge valve seat. 9. The high pressure water pump according to claim 8, wherein the gap between the discharge valve core and the discharge valve seat comprises at least one of a cross groove and a spiral groove. 10. The high pressure water pump according to claim 1, wherein the evacuation valve comprises an evacuation valve body, an evacuation valve core, and a compression spring, wherein the evacuation valve core is disposed inside the evacuation valve body, the compression spring is disposed on the evacuation valve core, and a sealing conical surface is disposed between the evacuation valve body and the evacuation valve core. 11. The high pressure water pump according to claim 1, wherein a lining is disposed above the sealing element, and the lining is made of an abrasion resistant and waterproof material. 12. The high pressure water pump according to claim 1, wherein the guide sleeve has an upper external thread on an upper end of the guide sleeve, and a lower external thread on a lower end of the guide sleeve, the guide sleeve is disposed between the plunger and the adjustment knob, and the guide sleeve is connected to the adjustment knob through the upper external thread, and to the upper pump body through the lower external thread. 13. The high pressure water pump according to claim 1, wherein a preloaded spring is disposed between the adjustment knob and the upper pump body. 14. The high pressure water pump according to claim 1, wherein the sealing element is an O-ring. 15. A steam powered nailing gun comprising a high pressure water pump, wherein the high pressure water pump comprises: an upper pump body;a lower pump body;a water discharge valve;a water intake valve;a plunger;a guide sleeve;a hammering cap;an adjustment knob; andan evacuation valve, wherein the upper pump body and the lower pump body are connected by a plurality of connecting bolts, a sealing ring is disposed between the upper pump body and the lower pump body, a sealing element is disposed between the upper pump body and the plunger, the plunger is sheathed in the upper pump body, the hammering cap is connected to an upper end of the plunger by threads, the adjustment knob is connected to an upper end of the upper pump body, the hammering cap is moveably connected to the adjustment knob through the plunger, and a plunger reset spring is disposed between the hammering cap and the adjustment knob. 16. The steam powered nailing gun according to claim 15, wherein a working chamber is formed between the plunger, the upper pump body and the lower pump body, a water intake channel is formed at an end of the corresponding water intake valve, a water discharge channel is formed at an end of the corresponding water discharge valve, an evacuation channel is formed at an end of the corresponding evacuation valve, and the water intake channel, the water discharge channel, and the evacuation valve are connected at the working chamber inside of the lower pump body. 17. The steam powered nailing gun according to claim 16, wherein the water intake valve is a check valve allowing water to flow into the working chamber from outside through the water intake valve, the water intake valve comprises an intake valve seat, an intake valve core, and an intake restoring spring, each of the intake valve seat and the intake valve core has a sealing surface, and the sealing surfaces of the intake valve seat and the intake valve core are attached closely under a preloaded pressure of the intake restoring spring. 18. The steam powered nailing gun according to claim 17, wherein the water discharge valve is a check valve allowing water to flow out of the working chamber through the water discharge valve, the water discharge valve comprises a water intake port, a water discharge port, a discharge valve seat, a discharge valve core, a limiting rod, a discharge restoring spring, a discharge valve body, a locknut, and a water discharge pipe, the discharge valve body has a first end connected to the discharge valve seat and a second end connected to a water discharge pipe, the discharge valve core is disposed inside the discharge valve seat, the discharge valve core has a first end connected to the water intake port and a second end connected to the limiting rod, the limiting rod is located inside the discharge valve body, the discharge valve seat and the discharge valve core are coupled fitted parts, the fit clearance is 0.001 mm-0.003 mm, and a gap is formed between the discharge valve core and the discharge valve seat. 19. The steam powered nailing gun according to claim 18, wherein the evacuation valve comprises an evacuation valve body, an evacuation valve core, and a compression spring, wherein the evacuation valve core is disposed inside the evacuation valve body, the compression spring is disposed on the evacuation valve core, and a sealing conical surface is disposed between the evacuation valve body and the evacuation valve core. 20. The steam powered nailing gun according to claim 19, wherein the guide sleeve has an upper external thread on an upper end of the guide sleeve, and a lower external thread on a lower end of the guide sleeve, the guide sleeve is disposed between the plunger and the adjustment knob, and the guide sleeve is connected to the adjustment knob through the upper external thread, and to the upper pump body through the lower external thread.
