A simple locking device includes a locking bracket, a locking tongue piece, a tension spring, a tension side wall, a base, at least two guide shafts, connection components and, wherein the locking bracket includes a lock piece, at least two guide holes and a retaining piece; the tension side wall is
A simple locking device includes a locking bracket, a locking tongue piece, a tension spring, a tension side wall, a base, at least two guide shafts, connection components and, wherein the locking bracket includes a lock piece, at least two guide holes and a retaining piece; the tension side wall is fixed to the base; and the at least two guide shafts respectively pass through the at least two guide holes to mount the locking bracket onto the base, such that the locking bracket is guided by the guide holes to move.
대표청구항▼
1. A simple locking device, comprising: a locking bracket, a locking tongue piece, a tension spring, a tension side wall, a base, at least two guide shafts, a first connecting component and a second connecting component; wherein,the locking bracket comprises a locking piece, at least two guide holes
1. A simple locking device, comprising: a locking bracket, a locking tongue piece, a tension spring, a tension side wall, a base, at least two guide shafts, a first connecting component and a second connecting component; wherein,the locking bracket comprises a locking piece, at least two guide holes and a retaining piece;the tension side wall is fixed to the base;the at least two guide shafts respectively pass through the at least two guide holes to mount the locking bracket to the base, and the locking bracket is configured to be guided by the guide holes to move;the tension spring has one end fixed to the tension side wall, and another end fixedly connected to the locking tongue piece;the simple locking device further comprises a pin shaft, the locking tongue piece is rotatably connected to the locking piece via the pin shaft passing through the locking tongue piece and the locking piece, the locking tongue piece is provided with a front-end extending portion, and the locking piece is provided with an inclined protruding portion;the first connecting component is provided with a groove position configured to cooperate with the inclined protruding portion of the locking piece, and an extending portion configured to cooperate with the front-end extending portion of the locking tongue piece; andthe second connecting component is provided with a retaining hole configured to cooperate with the retaining piece;wherein in the case that the inclined protruding portion of the locking piece is clamped into the groove position of the first connecting component, the extending portion of the first connecting component presses the front-end extending portion of the locking tongue piece downwards and abuts against the front-end extending portion of the locking tongue piece, and the retaining piece is retained into the retaining hole of the second connecting component; andwherein, in the case that the front-end extending portion of the locking tongue piece abuts against a side surface of the extending portion of the first connecting component, the tension spring is in a tensioned state, and the locking bracket is guided by the guide holes to move by a certain distance in a direction away from the tension side wall, and the inclined protruding portion of the locking piece is disengaged from the groove position of the first connecting component, and the retaining piece is disengaged from the retaining hole of the second connecting component. 2. The simple locking device according to claim 1, wherein the locking tongue piece further comprises a spring hooking position; the spring hooking position is arranged at a side surface of the locking tongue piece, and is fixedly connected to the tension spring;the locking bracket further comprises a handle position; andthe handle position is arranged at an end of the locking bracket that is closer to the retaining piece than to the locking piece, and is configured to provide a force applying point for pulling the locking bracket. 3. The simple locking device according to claim 2, wherein, the guide shafts are bolts;or,the guide shafts are protruding shafts arranged on the base. 4. The simple locking device according to claim 2, wherein the tension side wall is welded to the base;or,the tension side wall is fixed to the base by a bolt. 5. The simple locking device according to claim 1, wherein the first connecting component and the second connecting component are configured to be mounted to a same movable device;and/or,the first connecting component and the second connecting component are configured to be arranged on a same movable device. 6. The simple locking device according to claim 5, wherein the first connecting component and the second connecting component are respectively configured to be located on the movable device symmetrically. 7. The simple locking device according to claim 5, wherein, the guide shafts are bolts;or,the guide shafts are protruding shafts arranged on the base. 8. The simple locking device according to claim 5, wherein the tension side wall is welded to the base;or,the tension side wall is fixed to the base by a bolt. 9. The simple locking device according to claim 1, wherein the guide holes have the same guide directions. 10. The simple locking device according to claim 1, wherein, the guide shafts are bolts;or,the guide shafts are protruding shafts arranged on the base. 11. The simple locking device according to claim 1, wherein the tension side wall is welded to the base;or,the tension side wall is fixed to the base by a bolt.
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