CN204525278U - A kind of adjustable ratchet wrench - Google Patents
A kind of adjustable ratchet wrench Download PDFInfo
- Publication number
- CN204525278U CN204525278U CN201520236865.8U CN201520236865U CN204525278U CN 204525278 U CN204525278 U CN 204525278U CN 201520236865 U CN201520236865 U CN 201520236865U CN 204525278 U CN204525278 U CN 204525278U
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- China
- Prior art keywords
- ratchet
- bevel gear
- connection block
- chuck body
- adjustable
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 claims description 6
- 210000000624 ear auricle Anatomy 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000003128 head Anatomy 0.000 claims description 3
- 230000008685 targeting Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
本实用新型涉及一种可调棘轮扳手包括三爪卡盘装置、棘轮装置和手柄。所述三爪卡盘装置主要包括三个均布的活动卡爪、大锥齿轮、小锥齿轮、卡盘体及连接座，大锥齿轮安装在连接座上，小锥齿轮安装在卡盘体上，连接座与卡盘体通过四个均布的螺栓连接，三个均布的活动卡爪导向部分的下面有螺纹与大锥齿轮背面的平面螺纹相啮合，通过转动小锥齿轮以带动大锥齿轮转动，大锥齿轮背面的螺纹同时带动三个活动卡爪向中心靠近或退出，以适应不同型号规格的螺栓，所述棘轮装置包括棘轮、棘爪，棘轮与连接座通过普通平键连接，以传递扭矩，棘爪安装在手柄上。本实用新型提供的一种可调棘轮扳手具有结构简单，操作便利高效，且能适用多种型号规格螺栓等优点。
The utility model relates to an adjustable ratchet wrench, which comprises a three-jaw chuck device, a ratchet device and a handle. The three-jaw chuck device mainly includes three evenly distributed movable jaws, a large bevel gear, a small bevel gear, a chuck body and a connecting seat, the large bevel gear is installed on the connecting seat, and the small bevel gear is installed on the chuck body On the top, the connection seat and the chuck body are connected by four evenly distributed bolts, and the three evenly distributed movable claws have threads under the guide part that mesh with the plane threads on the back of the large bevel gear, and the large bevel gear is driven by turning the small bevel gear. When the bevel gear rotates, the threads on the back of the large bevel gear drive the three movable claws to approach or withdraw from the center at the same time, so as to adapt to bolts of different types and specifications. The ratchet device includes a ratchet and a pawl, and the ratchet and the connecting seat are connected by ordinary flat keys. , to transmit torque, the pawl is installed on the handle. The adjustable ratchet wrench provided by the utility model has the advantages of simple structure, convenient and efficient operation, and can be applied to bolts of various types and specifications.
Description
Technical field
The utility model relates to a kind of spanner, particularly a kind of adjustable ratchet wrench.
Background technology
Spanner is mainly divided into normal activity spanner, double offset ring spanner, fork spanner and ratchet spanner.At present, use the widest spanner to be normal activity spanner, but normal activity spanner have operating efficiency low, easily damage, to the bolt of specific position cannot be fastening etc. shortcoming.For ratchet spanner, be generally that a kind of ratchet spanner of model can only the bolt of fastening a kind of model, part ratchet spanner realizes the structure too complex of adjustable function, or realizes adjustable by the sleeve overlapping different size on spanner.When using these spanners, certain financial burden can be brought to user, cause the raising of production cost, simultaneously because service work of going out needs to carry a large amount of spanner, bring great inconvenience to service work of going out, add the burden of staff.
In view of above content, be necessary to provide a kind of structure simple, practical and convenient, efficient, and the fastening adjustable ratchet wrench of Multiple Type sized bolt can be suitable for.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of adjustable ratchet wrench, and this spanner by regulating, to adapt to bolt or the nut of different model, can carry out tightening operation to it.
In order to realize above-mentioned technical characteristic, the technical characteristic that the utility model adopts is: a kind of adjustable ratchet wrench, it comprises chuck body, chuck body is fixedly connected with Connection Block, uniform three movable jaws below chuck body, bevel pinion is arranged on chuck body, the axle head of bevel pinion is connected with rotation hand wheel, bevel gear wheel is arranged on Connection Block by rolling bearing, the screw thread of the flat thread of bevel gear wheel lower surface and three movable jaw targeting part upper surfaces forms screw-threaded engagement transmission, ratchet and handle are all arranged on Connection Block, the edge of handle is provided with the ratchet matched with ratchet, end cap is fixedly mounted on Connection Block.
The edge of described chuck body is evenly equipped with four ear-lobes, is connected to facilitate to be bolted with Connection Block.
Described movable jaw has vee, and three movable jaws can be simultaneously close to center or exit under the effect of the flat thread of bevel gear wheel lower surface, and the vee on three movable jaws can entangle bolt or the nut of different model specification.
Described Connection Block is processed with fit keyway, and is evenly equipped with that four screwed holes are convenient to be connected with end cap.
Keyway on described ratchet matches with the fit keyway on Connection Block, with transmitting torque.
Described ratchet is arranged on bearing pin, and bearing pin and handle are threaded connection, and bearing pin is processed with rectangular channel, torsion spring is arranged on bearing pin, in the rectangular channel of one end insertion bearing pin that torsion spring is shorter, longer one end and detent contact, ensure that ratchet contacts with ratchet all the time.
The utility model has following beneficial effect:
Before use adjustable ratchet wrench, rotate rotation hand wheel, bevel gear wheel is driven to rotate by bevel pinion, the flat thread of bevel gear wheel bottom drives three movable jaws close or exit to center simultaneously, when the vee on three movable jaws just can entangle the fastening bolt of needs or nut, stop operating rotation hand wheel.Now entangle with adjustable ratchet wrench and need fastening bolt or nut, rotate back and forth handle, can fastening bolt or nut.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is overall half sectional view of the present utility model.
Fig. 2 is the stereogram of the utility model chuck body.
Fig. 3 is the stereogram of the utility model Connection Block.
Fig. 4 is the stereogram of the utility model movable jaw.
Fig. 5 is the utility model handle partial sectional view.
Fig. 6 is the structural representation of the utility model torsion spring.
Fig. 7 is installation diagram and the partial view of the utility model ratchet and pawl.
In figure: chuck body 1-1, Connection Block 1-2, movable jaw 1-3, bevel pinion 1-4, big vertebra gear 1-5, rolling bearing 1-6, rotation hand wheel 1-7, flat thread 1-8, screw thread 1-9, ear-lobe 1-10, fit keyway 1-11, screwed hole 1-12, vee 1-13, ratchet 2-1, ratchet 2-2, torsion spring 2-3, keyway 2-4, handle 3-1, end cap 3-2, screw 3-3, bearing pin 3-4, rectangular channel 3-5.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
See Fig. 1-7, a kind of adjustable ratchet wrench, it comprises chuck body 1-1, chuck body 1-1 is fixedly connected with Connection Block 1-2, uniform three movable jaw 1-3 below chuck body 1-1, bevel pinion 1-4 is arranged on chuck body 1-1, the axle head of bevel pinion 1-4 is connected with rotation hand wheel 1-7, bevel gear wheel 1-5 is arranged on Connection Block 1-2 by rolling bearing 1-6, the screw thread 1-9 of flat thread 1-8 and three movable jaw 1-3 targeting part upper surface of bevel gear wheel 1-5 lower surface forms screw-threaded engagement transmission, ratchet 2-1 and handle 3-1 is arranged on Connection Block 1-2, the edge of handle 3-1 is provided with the ratchet 2-2 matched with ratchet 2-1, end cap 3-2 is fixedly mounted on Connection Block 1-2.
See Fig. 2, the edge of described chuck body 1-1 is evenly equipped with four ear-lobe 1-10, is connected to facilitate to be bolted with Connection Block 1-2.
See Fig. 3, described Connection Block 1-2 is processed with fit keyway 1-11, and is evenly equipped with that four screwed hole 1-12 are convenient to be connected with end cap 3-2.
See Fig. 4, described movable jaw 1-3 has vee 1-13, three movable jaw 1-3 can be simultaneously close to center or exit under the effect of the flat thread 1-8 of bevel gear wheel 1-5 lower surface, and the vee 1-13 on three movable jaw 1-3 can entangle bolt or the nut of different model specification.
See Fig. 5-7, the keyway 2-4 on described ratchet 2-1 matches with the fit keyway 1-11 on Connection Block 1-2, with transmitting torque; Described ratchet 2-2 is arranged on bearing pin 3-4, bearing pin 3-4 and handle 3-1 is threaded connection, bearing pin 3-4 is processed with rectangular channel 3-5, torsion spring 2-3 is arranged on bearing pin 3-4, one end that torsion spring 2-3 is shorter is inserted in the rectangular channel 3-5 of bearing pin 3-4, longer one end contacts with ratchet 2-2, ensure that ratchet 2-2 contacts with ratchet 2-1 all the time, can ensure can transfer torque to nut to spanner during rotary handle 3-1 putting along one by the cooperation of ratchet 2-1 and ratchet 2-2, along another put to time can ensure spanner smoothly oppositely turn, unaffected.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail, but the utility model is not limited to above-mentioned embodiment.Technical staff all without prejudice to innovative point of the present utility model and operating procedure, in claims, can modify to above-described embodiment.Protection domain of the present utility model, should cover as claims of the present utility model.
Device specific works principle of the present utility model is:
Before use adjustable ratchet wrench, rotate rotation hand wheel 1-7, bevel gear wheel 1-5 is driven to rotate by bevel pinion 1-4, the flat thread 1-8 of bevel gear wheel 1-5 bottom drives three movable jaw 1-3 close or exit to center simultaneously, when the vee 1-13 on three movable jaw 1-3 just can entangle the fastening bolt of needs or nut, stop operating rotation hand wheel 1-7.Now entangle with adjustable ratchet wrench and need fastening bolt or nut, rotate back and forth handle 3-1, can fastening bolt or nut.
Claims (6)
1. an adjustable ratchet wrench, it is characterized in that: it comprises chuck body (1-1), chuck body (1-1) is fixedly connected with Connection Block (1-2), chuck body (1-1) is uniform three movable jaws (1-3) below, bevel pinion (1-4) is arranged on chuck body (1-1), the axle head of bevel pinion (1-4) is connected with rotation hand wheel (1-7), bevel gear wheel (1-5) is arranged on Connection Block (1-2) by rolling bearing (1-6), the flat thread (1-8) of bevel gear wheel (1-5) lower surface and the screw thread (1-9) of three movable jaw (1-3) targeting part upper surfaces form screw-threaded engagement transmission, ratchet (2-1) and handle (3-1) are all arranged on Connection Block (1-2), the edge of handle (3-1) is provided with the ratchet (2-2) matched with ratchet (2-1), end cap (3-2) is fixedly mounted on Connection Block (1-2).
2. a kind of adjustable ratchet wrench according to claim 1, is characterized in that: the edge of described chuck body (1-1) is evenly equipped with four ear-lobes (1-10), is connected to facilitate to be bolted with Connection Block (1-2).
3. a kind of adjustable ratchet wrench according to claim 1, it is characterized in that: described movable jaw (1-3) has vee (1-13), three movable jaws (1-3) can be simultaneously close to center or exit under the effect of the flat thread (1-8) of bevel gear wheel (1-5) lower surface, and the vee (1-13) on three movable jaws (1-3) can entangle bolt or the nut of different model specification.
4. a kind of adjustable ratchet wrench according to claim 1, is characterized in that: described Connection Block (1-2) is processed with fit keyway (1-11), and is evenly equipped with that four screwed holes (1-12) are convenient to be connected with end cap (3-2).
5. a kind of adjustable ratchet wrench according to claim 1, is characterized in that: the keyway (2-4) on described ratchet (2-1) matches with the fit keyway (1-11) on Connection Block (1-2), with transmitting torque.
6. a kind of adjustable ratchet wrench according to claim 1, it is characterized in that: described ratchet (2-2) is arranged on bearing pin (3-4), bearing pin (3-4) and handle (3-1) are threaded connection, bearing pin (3-4) is processed with rectangular channel (3-5), torsion spring (2-3) is arranged on bearing pin (3-4), in the rectangular channel (3-5) of one end insertion bearing pin (3-4) that torsion spring (2-3) is shorter, longer one end contacts with ratchet (2-2), ensures that ratchet (2-2) contacts with ratchet (2-1) all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236865.8U CN204525278U (en) | 2015-04-20 | 2015-04-20 | A kind of adjustable ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236865.8U CN204525278U (en) | 2015-04-20 | 2015-04-20 | A kind of adjustable ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204525278U true CN204525278U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520236865.8U Expired - Fee Related CN204525278U (en) | 2015-04-20 | 2015-04-20 | A kind of adjustable ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204525278U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097164A (en) * | 2017-06-06 | 2017-08-29 | 郑州轻工业学院 | A kind of three-jaw movable ratchet carring hand |
| CN109186333A (en) * | 2018-09-03 | 2019-01-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamping mechanism of dovetail guide formula rifle pendant |
| CN110238785A (en) * | 2019-05-17 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of spanner |
| CN110625557A (en) * | 2019-11-01 | 2019-12-31 | 南京信息职业技术学院 | An adjustable wrench for removing round nuts |
| CN111015556A (en) * | 2019-12-30 | 2020-04-17 | 重庆秉为科技有限公司 | Clamping assembly and clamping unit for electronic switch |
| CN118376518A (en) * | 2024-04-09 | 2024-07-23 | 中国汽车工程研究院股份有限公司 | A test device for verifying the static torsional strength of a fixed brake caliper |
-
2015
- 2015-04-20 CN CN201520236865.8U patent/CN204525278U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097164A (en) * | 2017-06-06 | 2017-08-29 | 郑州轻工业学院 | A kind of three-jaw movable ratchet carring hand |
| CN107097164B (en) * | 2017-06-06 | 2020-03-10 | 郑州轻工业学院 | Three-jaw movable ratchet wrench |
| CN109186333A (en) * | 2018-09-03 | 2019-01-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamping mechanism of dovetail guide formula rifle pendant |
| CN109186333B (en) * | 2018-09-03 | 2019-07-26 | 中国科学院长春光学精密机械与物理研究所 | A clamping mechanism for a dovetail guide rail gun pendant |
| CN110238785A (en) * | 2019-05-17 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of spanner |
| CN110625557A (en) * | 2019-11-01 | 2019-12-31 | 南京信息职业技术学院 | An adjustable wrench for removing round nuts |
| CN111015556A (en) * | 2019-12-30 | 2020-04-17 | 重庆秉为科技有限公司 | Clamping assembly and clamping unit for electronic switch |
| CN111015556B (en) * | 2019-12-30 | 2021-03-02 | 重庆秉为科技有限公司 | Clamping assembly and clamping unit for electronic switch |
| CN118376518A (en) * | 2024-04-09 | 2024-07-23 | 中国汽车工程研究院股份有限公司 | A test device for verifying the static torsional strength of a fixed brake caliper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |