CN201979439U - Easy-operated adjustable wrench - Google Patents
Easy-operated adjustable wrench Download PDFInfo
- Publication number
- CN201979439U CN201979439U CN2010201852839U CN201020185283U CN201979439U CN 201979439 U CN201979439 U CN 201979439U CN 2010201852839 U CN2010201852839 U CN 2010201852839U CN 201020185283 U CN201020185283 U CN 201020185283U CN 201979439 U CN201979439 U CN 201979439U
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- CN
- China
- Prior art keywords
- wrench
- spanner
- nut
- worm
- adjustable wrench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Provided is an adjustable wrench which is capable of automatically clamping and unclamping nuts or screws and the like. The adjustable wrench is structurally composed of a wrench handle part, a wrench head part and a movable connecting part of the wrench head and the wrench handle, wherein the wrench handle part is composed of a wrench handle body, a worm gear and a worm. Users can rotate the worm gear forwards and backwards to lead the worm to push a movable wrench opening to move back and forth, thereby adjusting opening size of the wrench opening. The wrench head part is composed of a solid wrench body and the movable wrench opening, and a protruding portion at the top of the movable wrench opening matches with an inner groove of the solid wrench body. Torsion springs, a pin shaft and the like serve as the connecting part between the wrench handle part and the wrench head part. Working parts of the torsion springs are sleeved on the pin shaft, foot parts of torsion arms of the torsion springs are respectively connected with pins of the wrench handle part and the wrench head part, and the worm is connected with the unclamping surface of the movable wrench opening through a spherical pair.
Description
Technical field:
The adjustable wrench of a kind of ease of Use involved in the present invention, moment when pulling trigger piece for a kind of utilization changes into clamping force and clamps, is stored in the moment of torsion twisting resistance of turning round the arm spring automatically and unclamp nut automatically, angle screw etc. is arranged, be easy to clamp or unclamp nut, the adjustable wrench of angle screw is arranged, be mainly used in and tighten or unscrew nut, have angle screw etc.Related simple and easy adjustable wrench mainly by trigger piece, stay pull body, Flexible spanner mouth, worm and gear, trigger piece and stiff between torsionspring, bearing pin etc. form.
Background technology:
Existing adjustable wrench generally constitutes by pulling body, Flexible spanner mouth, worm screw, bearing pin etc., is a kind ofly to screw or unscrew nut, the instrument of angle screw etc. is arranged.Existing adjustable wrench pull nut, when angle screw etc. is arranged, need constantly to rotate earlier worm gear, regulate adjustable wrench and pull the opening size of mouth, estimate mouthful opening size of pulling of adjustable wrench, to adapt to nut, the size of angle screw arranged, and make it to be slightly larger than with nut, the size of angle screw etc. is arranged, mobile spanner, with nut, have angle screw etc. to place the active opening of pulling mouthful, continuing the rotation worm gear moves to promote the Flexible spanner mouth, binding nut, angle screw etc. is arranged, pull trigger piece at last to tighten or to unscrew nut, angle screw etc. is arranged.
The operator when finish pull action after, need adjustable wrench and nut, have angle screw etc. to separate.Existing adjustable wrench is pulled when action finishing, and stays and pulls body, Flexible spanner actinal surface and nut, has angle screw etc. to be in and fit tightly, and perhaps still keeps clamped condition, difficult adjustable wrench is taken.Will be adjustable wrench and nut, have angle screw etc. to separate, need the opposite spin worm gear, when Flexible spanner mouth and nut, have after slit between the screw of angle reaches certain distance, just can be, have angle screw etc. to separate with adjustable wrench and nut.
So, when using existing adjustable wrench, people pull nut, when angle screw etc. is arranged, and can not clamp very easily or unclamp nut, angle screw etc. is arranged, the operation of whole process is comparatively loaded down with trivial details, uses some inconvenience.
Summary of the invention:
Adjustable wrench purpose involved in the present invention be to overcome existing adjustable wrench operational loaded down with trivial details, use inconvenient shortcoming.The present invention is directed to the weak point of existing adjustable wrench, by the rotation worm gear, make worm screw carry out coarse adjustment to opening size, moment when trigger piece is pulled in utilization changes into clamping force and clamps, is stored in the moment of torsion twisting resistance of turning round the arm spring automatically and unclamp nut automatically, angle screw etc. is arranged, and makes adjustable wrench and nut or bolt be more prone to the device that clamps, separates.Related adjustable wrench of the present invention has low cost of manufacture and uses simple, easy to operate advantage.
In order to realize the purpose of foregoing invention, overall structure of the present invention comprises the movable coupling part of trigger piece part, spanner part and trigger piece and spanner; The trigger piece part is made up of handle body, worm gear, worm screw, the spanner part is pulled body by staying, the Flexible spanner mouth is formed, the bossing at Flexible spanner mouth top matches with stiff body internal recess, movable coupling part between trigger piece part and the spanner part is made up of torsionspring, bearing pin, the working portion of torsionspring is enclosed within on the bearing pin, its foot end of turning round arm is connected with the bearing pin of trigger piece part, spanner part respectively, and worm screw is connected with the non-clamping area of Flexible spanner mouth by spherical pair.
The concrete operating process of ease of Use spanner involved in the present invention is as follows: at first by being rotated in the forward worm gear, the Flexible spanner mouth is moved along the direction near stiff body, estimate mouthful opening size size of pulling of simple and easy adjustable wrench involved in the present invention, make opening size adapt to nut, the size of angle screw etc. is arranged; Mobile then spanner makes nut, has angle screw etc. to place pulling in the mouth of adjustable wrench; When pulling the handle body certain angle of adjustable wrench again, worm and gear follows handle body to turn an angle around bearing pin, the worm screw that turns an angle can promote monkey wrench by spherical pair and move a certain distance along the groove of stiff body inboard, when distance is enough, the Flexible spanner mouth will be with nut, have the angle screw to contact, continue to pull spanner, act on moment on the trigger piece with binding nut, angle screw etc. is arranged.Continue after the clamping to apply external force and pull spanner, promptly can tighten or unscrew nut, angle screw etc. is arranged.Tighten or unscrew nut or have after the screw of angle, in the moment that does not apply external force, by turning round the twisting resistance effect of arm spring, make the handle body backward rotation, spanner part and nut, there is angle screw etc. to remove clamped condition immediately, counter-rotational handle body, drive worm screw backward rotation together, worm screw drives the Flexible spanner mouth and moves to the direction of unclamping nut, screw, Flexible spanner mouth and nut, there is angle screw etc. to be in released state, so utilize the twisting resistance turn round the arm spring, the operator can be very easily with adjustable wrench and nut, have angle screw etc. to separate.
The operation principle of ease of Use adjustable wrench of the present invention is: hand is in pulling the process of spanner handle, utilize moment clamping nut on the trigger piece, angle screw etc. is arranged, when clamping nut, angle screw etc. is arranged after, owing to there is moment, continue to pull spanner handle, step up and rotating nut, angle screw etc. is arranged, promptly can tighten or unscrew nut, angle screw etc. is arranged.When removing external force effect or backward rotation, the effect that self torsional forces of arm spring is turned round in utilization resets spanner handle, spanner part and nut, there is angle screw etc. to remove clamped condition immediately, and has certain slit between the two, can be very easily with the two separation.
Ease of Use adjustable wrench involved in the present invention has been compared following characteristics with existing adjustable wrench: first, in operational breakthrough, the operator is in the spanner use, be more prone to clamp, unclamp nut or the angle screw is arranged, make it easy to operate, save some trifling operations, improved operating efficiency; Second, breakthrough on main structure, broken through the integrative-structure of the trigger piece part and the spanner part of existing spanner, the trigger piece part of ease of Use adjustable wrench involved in the present invention and spanner partly are the flexible connections by bearing pin, the moment of torsion that makes the operator can utilize the moment of trigger piece to clamp, turn round the arm spring unclamps nut or angle screw etc. is arranged, and makes operation more convenient.
Description of drawings:
Fig. 1 is an adjustable wrench surface structure schematic diagram involved in the present invention
Fig. 2 is the enlarged drawing of the turbine and worm at surface structure signal number in the figure of the present invention 8,9 places
Fig. 3 is the enlarged drawing of turning round the arm spring at surface structure signal number in the figure of the present invention 3 places
The specific embodiment:
Ease of Use adjustable wrench overall structure involved in the present invention comprises: the movable coupling part between spanner part, trigger piece part, spanner and the trigger piece.The spanner part is made up of stiff body 1, Flexible spanner mouth 2, inboard groove 5; The trigger piece part is made up of the guide groove 7 of handle body 4, worm gear 8, worm screw 9, worm and gear; Movable coupling part between spanner and the trigger piece comprises bearing pin 3, turns round arm spring working portion 10, turns round arm 11,, and the ball bumps of worm screw 9 is connected 6 with the spherical pair that the ball recess passage of Flexible spanner mouth 2 is formed.
The process of the ease of Use spanner that concrete enforcement is involved in the present invention is as follows: at first by being rotated in the forward worm gear 8, Flexible spanner mouth 2 is moved along the direction near stiff body 1, estimate mouthful openings of sizes of pulling of simple and easy adjustable wrench involved in the present invention, make opening size adapt to nut, the size of angle screw etc. is arranged; Move spanner handle 4 then, make nut, have angle screw etc. to place pulling in the mouth of adjustable wrench; Pull the handle body 4 of adjustable wrench again, worm gear 8, worm screw 9 follow handle body 4 to rotate around bearing pin 3, the worm screw 9 of rotating promotes Flexible spanner mouth 2 grooves 5 along stiff body inboard by spherical pair 6, direction to clamping nut moves, when trigger piece 4 rotated a certain angle, Flexible spanner mouth 2 moved to nut, has the angle screw to contact, and continues to pull spanner handle 4, act on the moment on the trigger piece 4, realized automatic clamping nut, angle screw etc. is arranged.Continue after the clamping to apply external force, pull spanner, promptly can tighten or unscrew nut, angle screw etc. is arranged.Tighten or unscrew nut or have after the screw of angle, in the moment that does not apply external force, by turning round arm spring working portion 10 and turning round the effect or the backward rotation handle body 4 of arm 11, spanner part and nut, there is angle screw etc. to remove clamped condition immediately, backward rotation handle body 4, drive worm screw 9 backward rotation together, worm screw 9 drives Flexible spanner mouth 2 and moves to the direction of unclamping nut, screw, Flexible spanner mouth 2 and nut, there is angle screw etc. to be in released state, can be with adjustable wrench and nut, have angle screw etc. to separate.
Claims (1)
1. ease of Use adjustable wrench, overall structure comprise the movable coupling part of trigger piece part, spanner part, trigger piece and spanner; It is characterized in that trigger piece part is made up of handle body, worm gear, worm screw; The spanner part is made up of stiff body, Flexible spanner mouth, and the bossing at Flexible spanner mouth top matches with stiff body internal recess; Movable coupling part between trigger piece part and the spanner part is made up of torsionspring, bearing pin, and the working portion of torsionspring is enclosed within on the bearing pin, and its foot of turning round arm holds the bearing pin respectively at trigger piece part, spanner part to be connected; Worm screw is connected by the non-face that steps up of spherical pair and Flexible spanner mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201852839U CN201979439U (en) | 2010-04-27 | 2010-04-27 | Easy-operated adjustable wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201852839U CN201979439U (en) | 2010-04-27 | 2010-04-27 | Easy-operated adjustable wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979439U true CN201979439U (en) | 2011-09-21 |
Family
ID=44606907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201852839U Expired - Fee Related CN201979439U (en) | 2010-04-27 | 2010-04-27 | Easy-operated adjustable wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826644A (en) * | 2017-01-01 | 2017-06-13 | 重庆科技学院 | A kind of application method of opening-adjustable wrench |
| CN111203823A (en) * | 2020-01-16 | 2020-05-29 | 玉环铭道机车配件股份有限公司 | Self-locking pliers |
-
2010
- 2010-04-27 CN CN2010201852839U patent/CN201979439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826644A (en) * | 2017-01-01 | 2017-06-13 | 重庆科技学院 | A kind of application method of opening-adjustable wrench |
| CN111203823A (en) * | 2020-01-16 | 2020-05-29 | 玉环铭道机车配件股份有限公司 | Self-locking pliers |
| CN111203823B (en) * | 2020-01-16 | 2022-05-10 | 玉环铭道机车配件股份有限公司 | Self-locking pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120427 |