CN102773823B - Multifunctional torque wrench - Google Patents
Multifunctional torque wrench Download PDFInfo
- Publication number
- CN102773823B CN102773823B CN201210256611.3A CN201210256611A CN102773823B CN 102773823 B CN102773823 B CN 102773823B CN 201210256611 A CN201210256611 A CN 201210256611A CN 102773823 B CN102773823 B CN 102773823B
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- China
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- collet head
- support arm
- handle
- torque wrench
- corner apertures
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Abstract
The invention relates to a multifunctional torque wrench which comprises a handle. A crossed structural part is arranged in the middle of the handle, joints of the crossed structural part are in arc smooth connection, support arms are respectively symmetrically arranged at two ends of the handle, pin holes are symmetrically arranged on side walls of the support arms, socket heads are arranged in the support arms, two angular holes with different sizes are respectively arranged on the front surface and the reverse surface of each socket head, the front surface and the reverse surface of each socket head are parallel to each other, the angular holes can be replaced by connectors, the center line of the angular hole positioned on the front surface of each socket head is coincided with that of the angular hole positioned on the reverse surface of the socket head, a through hole is arranged in the middle of each socket head, a hinge pin is disposed inside each through hole, two ends of the hinge pin are fixed into the pin holes on the side walls of the corresponding support arm, and the socket heads rotate in the support arms around the hinge pins. The multifunctional torque wrench has the advantages that the multifunctional torque wrench is light and is simple in structure and convenient to carry; eight angular holes with different sizes are arranged on the two socket heads and can be replaced by the connectors, so that work efficiency is improved; and the multifunctional torque wrench is applicable to narrow space, and the service range is expanded.
Description
Technical field
The present invention relates to a kind of Multifunctional torque wrench.
Background technology
Box spanner is commonly referred to as sleeve: it by multiple band hexagon ring or 12 corner apertures sleeve and be furnished with the multiple accessories such as handle, extension bar and form, be specially adapted to twist bolt or the nut of the very narrow and small or very depths of caving in, status.Box spanner generally all has the collet head of a set of all size and handle of waving, extension bar, universal joint, driver joint, elbow handle etc. are used for being inserted in hexagonal (hexagon)nut.The collet head of box spanner is a recessed hexagonal cylinder; Spanner is made up of carbon structural steels or structural alloy steel usually, and Wrench head has the hardness of regulation, and middle and handle portion then has elasticity.
The swivel head of existing box spanner is cross-shaped rotary head, during screwing bolts, swivel head top is higher than spanner, in the use occasion that some are special, space constraint is tightened by bolt part, the swivel head of existing box spanner cannot rotate, even occur because space is too narrow the situation that box spanner cannot be put into, use occasion is limited.
Summary of the invention
The object of this invention is to provide a kind of Multifunctional torque wrench, the height at collet head top is designed to less than or equal to spanner height, and the corner apertures on collet head can replace with joint, solves above shortcomings in prior art.
The object of the invention is to be achieved through the following technical solutions:
A kind of Multifunctional torque wrench, comprise handle, handle two ends are arranged with support arm respectively, described support arm sidewall is arranged with pin-and-hole, collet head is provided with in support arm, positive and negative two parallel surfaces of collet head are respectively equipped with on the not identical corner apertures of two specifications or positive and negative two parallel surfaces of collet head and are respectively equipped with joint, the center line being positioned at the corner apertures in collet head front overlaps with the center line of the corner apertures being positioned at collet head reverse side; Be provided with through hole in the middle part of collet head, be provided with bearing pin in through hole, bearing pin two ends are fixed in the pin-and-hole on described support arm sidewall, and collet head rotates in support arm around bearing pin.
Further, be provided with decussate texture part in the middle part of described handle, decussate texture part junction is that circular arc is smoothly connected.
Preferably, the middle part of described collet head is rectangle structure, and the two ends of collet head are the semicircular structure be smoothly connected with rectangle.
Preferably, described handle and support arm junction are that circular arc is smoothly connected.
Preferably, the spacing of positive and negative two parallel surfaces of described collet head is less than or equal to the spacing of upper and lower two planes of support arm.The spacing of upper and lower two planes of described support arm is greater than the spacing of upper and lower two planes of the handle be connected with support arm.
Beneficial effect of the present invention is: this small product size is light and handy, structure simple, easy to carry; Two collet heads have the corner apertures of 8 different sizes, and the corner apertures on collet head can replace with joint, improves operating efficiency; Be applicable to small space use, expand the scope of application.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the structural representation of a kind of Multifunctional torque wrench described in one embodiment of the present of invention;
Fig. 2 is the structural representation of a kind of Multifunctional torque wrench described in an alternative embodiment of the invention.
In figure:
1, handle; 2, support arm; 3, collet head; 4, corner apertures; 5, bearing pin; 6, decussate texture part; 7, joint.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, a kind of Multifunctional torque wrench described in the embodiment of the present invention, comprise handle 1, decussate texture part 6 is provided with in the middle part of handle 1, decussate texture part 6 junction is that circular arc is smoothly connected, handle 1 two ends are arranged with support arm 2 respectively, handle 1 and support arm 2 junction are that circular arc is smoothly connected, support arm 2 sidewall is arranged with pin-and-hole, collet head 3 is provided with in support arm 2, the middle part of collet head 3 is rectangle structure, the two ends of collet head 3 are the semicircular structure be smoothly connected with rectangle, collet head 3 just, anti-two parallel surfaces are respectively equipped with the corner apertures 4 that two specifications are not identical, the specification of corner apertures 4 is 8-19mm, the center line being positioned at the corner apertures 4 in collet head 3 front overlaps with the center line of the corner apertures 4 being positioned at collet head 3 reverse side, through hole is provided with in the middle part of collet head 3, bearing pin 5 is provided with in through hole, bearing pin 5 two ends are fixed in the pin-and-hole on described support arm 2 sidewall, collet head 3 rotates in support arm 2 around bearing pin 5, collet head 3 just, the spacing of anti-two parallel surfaces is less than or equal on support arm 2, the spacing of lower two planes, on support arm 2, the spacing of lower two planes is greater than on the handle 1 that is connected with support arm 2, the spacing of lower two planes.
Wherein, the corner apertures 4 of collet head 3 upper surface of handle 1 one end is of a size of 8mm and 12mm, and the corner apertures 4 of lower surface is of a size of 10mm and 13mm; The corner apertures 4 of collet head 3 upper surface of handle 1 other end is of a size of 14mm and 15mm, and the corner apertures 4 of lower surface is of a size of 17mm and 19mm.
Embodiment 2:
As shown in Figure 2, a kind of Multifunctional torque wrench described in the embodiment of the present invention, comprise handle 1, decussate texture part 6 is provided with in the middle part of handle 1, decussate texture part 6 junction is that circular arc is smoothly connected, handle 1 two ends are arranged with support arm 2 respectively, handle 1 and support arm 2 junction are that circular arc is smoothly connected, support arm 2 sidewall is arranged with pin-and-hole, collet head 3 is provided with in support arm 2, the middle part of collet head 3 is rectangle structure, the two ends of collet head 3 are the semicircular structure be smoothly connected with rectangle, collet head 3 just, anti-two parallel surfaces are respectively equipped with the not identical corner apertures 4 of two specifications and joint 7, the center line being positioned at the corner apertures 4 in collet head 3 front of handle 1 one end overlaps with the center line of the corner apertures 4 being positioned at collet head 3 reverse side, the center line being positioned at the corner apertures 4 in collet head 3 front of handle 1 other end overlaps with the center line of the joint 7 being positioned at collet head 3 reverse side, through hole is provided with in the middle part of collet head 3, bearing pin 5 is provided with in through hole, bearing pin 5 two ends are fixed in the pin-and-hole on described support arm 2 sidewall, collet head 3 rotates in support arm 2 around bearing pin 5, collet head 3 just, the spacing of anti-two parallel surfaces is less than or equal on support arm 2, the spacing of lower two planes, on support arm 2, the spacing of lower two planes is greater than on the handle 1 that is connected with support arm 2, the spacing of lower two planes.
Wherein, the corner apertures 4 of collet head 3 upper surface of handle 1 one end is of a size of 8mm and 12mm, and the corner apertures 4 of lower surface is of a size of 10mm and 13mm, and the corner apertures 4 of collet head 3 upper surface of handle 1 other end is of a size of 14mm, and joint 7 is the square spigot of 1/4; The corner apertures 4 of lower surface is of a size of 19mm, and joint 7 is the square spigot of 3/8.
According to actual needs, can also replace with the joint 7 of other specifications, joint 7 comprises square spigot and hexagonal head to corner apertures 4.
The present invention is not limited to above-mentioned preferred forms; the present invention can not be limited to this; anyone other various forms of products drawn under enlightenment of the present invention; no matter do any change in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (3)
1. a Multifunctional torque wrench, comprise handle (1), handle (1) two ends are arranged with support arm (2) respectively, it is characterized in that: described support arm (2) sidewall is arranged with pin-and-hole, collet head (3) is provided with in support arm (2), collet head (3) just, just anti-two parallel surfaces are respectively equipped with two corner apertures (4) or collet head (3), anti-two parallel surfaces are respectively equipped with joint (7), the center line being wherein positioned at the corner apertures (4) in collet head (3) front overlaps with the center line of the corner apertures (4) being positioned at collet head (3) reverse side, collet head (3) middle part is provided with through hole, bearing pin (5) is provided with in this through hole, bearing pin (5) two ends are fixed in the pin-and-hole on support arm (2) sidewall, the spacing of positive and negative two parallel surfaces of described collet head (3) is less than or equal to the spacing of upper and lower two planes of support arm (2), the spacing of upper and lower two planes of described support arm (2) is greater than the spacing of upper and lower two planes of handle (1) be connected with support arm (2), corner apertures (4) on described collet head (3) is the corner apertures (4) of 8 different sizes, and the specification of described corner apertures (4) is 8-19mm, wherein, described handle (1) middle part is provided with decussate texture part (6), and decussate texture part (6) junction is that circular arc is smoothly connected.
2. a kind of Multifunctional torque wrench according to claim 1, is characterized in that: the middle part of described collet head (3) is rectangle structure, and the two ends of collet head (3) are the semicircular structure be smoothly connected with rectangle.
3. a kind of Multifunctional torque wrench according to claim 2, is characterized in that: described handle (1) and support arm (2) junction are that circular arc is smoothly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256611.3A CN102773823B (en) | 2012-07-23 | 2012-07-23 | Multifunctional torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256611.3A CN102773823B (en) | 2012-07-23 | 2012-07-23 | Multifunctional torque wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102773823A CN102773823A (en) | 2012-11-14 |
| CN102773823B true CN102773823B (en) | 2015-06-10 |
Family
ID=47119045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256611.3A Active CN102773823B (en) | 2012-07-23 | 2012-07-23 | Multifunctional torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102773823B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557992A (en) * | 1992-04-07 | 1996-09-24 | Proprietary Technologies, Inc. | Multi-socket wrench containing dual socket wrench units |
| CN201304614Y (en) * | 2008-11-21 | 2009-09-09 | 冯钦闲 | Eight hole socket spanner |
| CN101716756A (en) * | 2009-12-21 | 2010-06-02 | 上海昆杰五金工具有限公司 | Ratchet sleeve wrench |
| TWM394878U (en) * | 2010-05-19 | 2010-12-21 | Top Rank Ind Co Ltd | Ratchet wrench |
| CN102049745A (en) * | 2009-10-27 | 2011-05-11 | 文登威力高档工具有限公司 | Multi-head socket spanner |
| DE202011105334U1 (en) * | 2011-09-05 | 2011-09-22 | Jung-Chou Hsu | socket |
| CN202292542U (en) * | 2011-07-12 | 2012-07-04 | 陈建德 | Ratchet wrench with synchronous direction-control switching structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8230766B2 (en) * | 2010-03-24 | 2012-07-31 | Chih-Min Chang | Wrench for different-sized nuts |
| US20120017729A1 (en) * | 2010-07-21 | 2012-01-26 | Chih-Min Chang | Wrench with ergonomic twisted handle |
-
2012
- 2012-07-23 CN CN201210256611.3A patent/CN102773823B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557992A (en) * | 1992-04-07 | 1996-09-24 | Proprietary Technologies, Inc. | Multi-socket wrench containing dual socket wrench units |
| CN201304614Y (en) * | 2008-11-21 | 2009-09-09 | 冯钦闲 | Eight hole socket spanner |
| CN102049745A (en) * | 2009-10-27 | 2011-05-11 | 文登威力高档工具有限公司 | Multi-head socket spanner |
| CN101716756A (en) * | 2009-12-21 | 2010-06-02 | 上海昆杰五金工具有限公司 | Ratchet sleeve wrench |
| TWM394878U (en) * | 2010-05-19 | 2010-12-21 | Top Rank Ind Co Ltd | Ratchet wrench |
| CN202292542U (en) * | 2011-07-12 | 2012-07-04 | 陈建德 | Ratchet wrench with synchronous direction-control switching structure |
| DE202011105334U1 (en) * | 2011-09-05 | 2011-09-22 | Jung-Chou Hsu | socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102773823A (en) | 2012-11-14 |
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