[특허]Quick tightener

Zhejiang Topsun Logistic Control Co., Ltd.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Quick tightener

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25B-025/00
미국특허분류(USC)	254/217; 254/214; 024/068CD
출원번호	US-0384243 (2011-11-26)
등록번호	US-8702065 (2014-04-22)
우선권정보	CN-2011 1 0258993 (2011-09-02)
국제출원번호	PCT/CN2011/082997 (2011-11-26)
§371/§102 date	20120116 (20120116)
국제공개번호	WO2013/029316 (2013-03-07)
발명자 / 주소	Xiao, Zhaoyin
출원인 / 주소	Zhejiang Topsun Logistic Control Co., Ltd.
대리인 / 주소	Minder Law Group
인용정보	피인용 횟수 : 1 인용 특허 : 2

초록
▼

The present invention discloses a quick tightener, which addresses the problems existing in the conventional tighteners such as inconvenient operation or failure in use under extreme conditions. The quick tightener includes a support, a handle, a ratchet wheel and a half-moon shaft. The half-moon shaft is composed of a first half-moon shaft and a second half moon shaft. Said first half-moon shaft could be fixedly connected with the ratchet wheel. Said second half-moon shaft could be fixedly connected with the ratchet wheel in the circumferential direction and axially move relative to the ratchet wheel. A clutch device is located between said first half-moon shaft and second half-moon shaft to connect the second half-moon shaft to the first half-moon shaft or disengage the second half-moon shaft from the first half-moon shaft. Such a quick tightener is equipped with the advantages such as preferential reliability and a high practical value.

대표
청구항
▼

1. A quick tightener, comprising a support (1), a handle (4), a ratchet wheel (3) and a half-moon shaft (2), the handle (4) is hinged to the support (1) via the half-moon shaft (2), the ratchet wheel (3) is connected with the half-moon shaft (2) and the ratchet wheel (3) is rotatable driven by the handle (4), the half-moon shaft (2) is composed of a first half-moon shaft (2b) and a second half moon shaft (2a), in which both the first half-moon shaft (2b) and the second half-moon shaft (2a) are connected with the ratchet wheel (3) of the tightener and a spacing is provided there between to connect a binding belt, characterized in that, said first half-moon shaft (2b) is fixedly connected with the ratchet wheel (3), said second half-moon shaft (2a) is fixedly connected with the ratchet wheel (3) in a circumferential direction, said second half-moon shaft (2a) is moveable axially relative to the ratchet wheel (3), and a clutch device is located between said first half-moon shaft (2b) and second half-moon shaft (2a) to connect the second half-moon shaft (2a) to the first half-moon shaft (2b) or disengage the second half-moon shaft (2a) from the first half-moon shaft (2b); wherein the clutch device has a crown bar (5) located on the first half-moon shaft (2b) and a positioning hole (2a1) on the second half-moon shaft (2a), a first spring (6) is provided at the crown bar (5), and the crown bar (5) is embedded into the positioning hole (2a1) with an elastic force of the first spring (6); andwherein a clutch lever (9) is provided at the positioning hole (2a1) of the second half-moon shaft (2a), a second spring (10) is provided at the clutch lever (9) which makes the clutch lever (9) tend to be drawn into the positioning hole (2a1), and the crown bar (5) is pressed against an end of the clutch lever (9) with an action of the first spring (6); andwherein the first half-moon shaft (2b) is fixedly connected with a hollow crown bar seat (7), one end of the crown bar seat (7) is coupled to one side of the first half-moon shaft (2b), the other end of the crown bar seat (7) extends out of the other side of the first half-moon shaft (2b) and is fixedly connected with a press cap (8), the crown bar (5) and the first spring (6) is placed within the crown bar seat (7), both ends of the spring (6) are pressed against the crown bar seat (7) and the crown bar (5), respectively, and the crown bar (5) partially extends out of the press cap (8) with the elastic force of the first spring (6). 2. The quick tightener as claimed in claim 1, characterized in that, a first via hole (12) is set at end faces of the ratchet wheel (3) for the first half-moon shaft (2b) to pass through and a second via hole (13) is set for the second half-moon shaft (2a), two connecting parts (14) are projected vertical from both end faces of the ratchet wheel (3) along edges of the first via hole (12) and second via hole (13), and said two connecting parts (14) are embedded onto the handle (4) and support (1) respectively. 3. The quick tightener as claimed in claim 2, characterized in that, the clutch device has a crown bar (5) located on the first half-moon shaft (2b) and a positioning hole (2a1) on the second half-moon shaft (2a), a first spring (6) is provided at the crown bar (5), and the crown bar (5) is embedded into the positioning hole (2a1) with the elastic force of the first spring (6). 4. The quick tightener as claimed in claim 2, characterized in that, the ratchet wheel (3) includes a first ratchet wheel (3a) and a second ratchet wheel (3b), a positioning protrusion (3a1) is provided on the first ratchet wheel (3a), a positioning recess (3b1) is provided on the second ratchet wheel (3b) which is matched with the positioning protrusion (3a1), said positioning protrusion (3a1) is embedded within the positioning recess (3b1), one of the two connecting parts (14) is located at a first end face side of the first ratchet wheel (3a) and the other connecting part (14) is located at a second end face side of the second ratchet wheel (3b). 5. The quick tightener as claimed in claim 4, characterized in that, the clutch device has a crown bar (5) located on the first half-moon shaft (2b) and a positioning hole (2a1) on the second half-moon shaft (2a), a first spring (6) is provided at the crown bar (5), and the crown bar (5) is embedded into the positioning hole (2a1) with the elastic force of the first spring (6). 6. The quick tightener as claimed in claim 4, characterized in that, said first ratchet wheel (3a) and second ratchet wheel (3b) are formed by stamping. 7. The quick tightener as claimed in claim 6, characterized in that, a tapered guide means (2a2) is located at an end of the positioning hole (2a1). 8. The quick tightener as claimed in claim 6, characterized in that, a seal ring is provided between a side face of the crown bar (5) and the crown bar seat (7). 9. The quick tightener as claimed in claim 8, characterized in that, the second half-moon shaft (2a) is fixedly connected with a hollow clutch lever seat (11), both the clutch lever (9) and the second spring (10) are located within the clutch lever seat (11), the second spring (10) is covered on the clutch lever (9), and under an elastic force of the second spring (10), an inner end of the clutch lever (9) tends to be drawn into the positioning hole (2a1), and an outer end of the clutch lever (9) tends to extend out of the clutch lever seat (11). 10. The quick tightener as claimed in claim 9, characterized in that, a seal ring is provided between the clutch lever (9) and the clutch lever seat (11). 11. The quick tightener as claimed in claim 10, characterized in that, a limitation groove (2a3) is provided on the second half-moon shaft (2a), after the second half-moon shaft (2a) axially moves relative to the ratchet wheel (3), the crown bar (5) is embedded into the limitation groove (2a3), so that the half-moon shaft (2) is positioned. 12. The quick tightener as claimed in claim 11, characterized in that, a side of the limitation groove (2a3) close to the crown bar (5) is set as an inclined guide surface (2a4) and an other side of the limitation groove (2a3) is set as an upright surface (2a5) vertical to the axial direction of the second half-moon shaft (2a). 13. The quick tightener as claimed in claim 1, characterized in that, the clutch device has a crown bar (5) located on the first half-moon shaft (2b) and a positioning hole (2a1) on the second half-moon shaft (2a), a first spring (6) is provided at the crown bar (5), and the crown bar (5) is embedded into the positioning hole (2a1) with the elastic force of the first spring (6).

이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 (1)

Hansen, Lars V, Load-strapping device.

IPC 상위 출원인

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Quick tightener

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이 특허에 인용된 특허 (2)

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Quick tightener

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이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 (1)

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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