Right-angle wrench long in use distance
By adding an extension rod and an unlocking mechanism to the right-angle wrench, the problem of difficulty in turning the existing right-angle wrench on nuts or bolts at a distance is solved, achieving flexible remote operation and compatibility with normal use.
Patent Information
- Application Number
- CN202520126501.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing right-angle wrenches cannot effectively control the rotation of the wrench body when dealing with nuts or bolts that are far away, resulting in poor adaptability.
A right-angle wrench with an extension rod and an unlocking mechanism was designed. The extension rod is fixed to the wrench body and unlocked to enable long-distance rotation of nuts or bolts. The extension rod is detachable to adapt to different environments.
It enables effective rotation of nuts or bolts over long distances, enhancing the wrench's applicability and flexibility without affecting normal use.
Smart Images
Figure CN223749535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a right angle wrench, in particular to a right angle wrench with long using distance. BACKGROUND
[0002] The right angle wrench is a tool specially designed for fastening or disassembling nuts and bolts under space limitation or specific angle, and the right angle wrench has a unique L-shaped design, which makes it easy to rotate nuts or bolts in a narrow space.
[0003] The existing right angle wrench comprises a wrench body, the two ends of the wrench body are respectively provided with an input rotating end and an output rotating end, the input rotating end and the output rotating end are connected through two bevel gears, in use, an operating rod is inserted into the input rotating end, the output rotating end is opposite to the nut or bolt to be rotated, then the operating rod is rotated to drive the input rotating end to rotate, at the same time, the output rotating end rotates, and finally the nut or bolt is rotated, but when the nut or bolt to be rotated is far away, even if a long operating rod is used, the wrench body needs to be close to the nut or bolt to be rotated, so that the wrench body cannot be controlled not to rotate, and if the length of the side where the input rotating end of the wrench body is located is made longer, the adaptability to different environments is poor. SUMMARY
[0004] In view of the defects in the prior art, the utility model aims at providing a right angle wrench with long using distance.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wrench body, the two ends of the wrench body are respectively provided with an input rotating end and an output rotating end, and the input rotating end and the output rotating end are connected, an extension rod and an unlocking mechanism, the extension rod is provided with a fixed part and a holding part, and the fixed part is perpendicular to the holding part, the wrench body is provided with a locking groove matched with the shape of the fixed part, the fixed part is provided with a fixed groove perpendicular to the locking groove, a fixed block is slidably arranged in the fixed groove, a fixed spring is arranged between the fixed block and the bottom of the fixed groove, and the fixed spring enables the fixed block to move out of the fixed groove, a matching groove opposite to the fixed groove is arranged in the locking groove, the fixed block has a fixed state in the matching groove and fixes the wrench body and the extension rod, and the unlocking mechanism is arranged on the wrench body and has an unlocking state to drive the fixed block to move out of the matching groove.
[0006] When the nut or bolt to be rotated is far away, the fixed part of the extension rod is inserted into the locking groove and rotated until the fixed groove is opposite to the matching groove, the fixed block is driven into the matching groove by the fixed spring, at this time, the extension rod is fixed with the wrench body, then the wrench body is close to the nut or bolt to be rotated until the output rotating end is opposite to the nut or bolt, then the operating rod is inserted into the input rotating end, one hand holds the holding part to prevent the wrench body from rotating, and the other hand rotates the operating rod, so that the nut or bolt is rotated, and after the operation is completed, the extension rod is detached from the wrench body by the unlocking mechanism, the wrench is prevented from rotating by adding the extension rod, and the extension rod is detachable and does not affect normal use.
[0007] The utility model further sets up: the unlocking mechanism includes linkage block and unlocking rod, the wrench body is provided with the unlocking groove that is parallel with the locking groove and the unlocking groove extends to the intercommunication with the matching groove, the linkage block is slid and is arranged in the matching groove, the unlocking rod is slid and is arranged in the unlocking groove and constitutes the movement of linkage block in the matching groove.
[0008] By adopting the above technical scheme, when unlocking is needed, the unlocking rod is pressed to move downward, then the linkage block is driven to move in the direction of the fixed groove, until the fixed block is completely removed from the matching groove, at this time, the extension rod can be removed from the locking groove.
[0009] The utility model further sets up: the linkage block is provided with linkage inclined plane on the side that is relatively close to the unlocking rod, the unlocking rod is provided with the matching inclined groove that is matched with the linkage inclined plane, the linkage inclined plane and the matching inclined groove constitute the drive of the unlocking rod to the linkage block.
[0010] The utility model further sets up: the unlocking rod has the unlocking part outside the unlocking groove.
[0011] The utility model further sets up: the unlocking mechanism further includes reset spring, and the reset spring is arranged between the unlocking rod and the bottom of the unlocking groove and drives the unlocking rod to move to the direction outside the unlocking groove.
[0012] By adopting the above technical scheme, under the gravity of the unlocking rod itself, the extension degree of the reset spring makes the linkage inclined groove opposite to the matching groove. ACCURATE DRAWINGS
[0013] Figure 1 It is the structure schematic drawing of the utility model whole;
[0014] Figure 2 It is the section view of the utility model about the extension rod and the wrench body fixed and the unlocking related mechanism;
[0015] Figure 3 It is the utility model Figure 2A local enlarged view of the middle A.
[0016] In the figure: 1, wrench body; 11, input rotating end; 12, output rotating end; 13, locking groove; 2, extension rod; 21, fixed part; 22, holding part; 23, fixed groove; 24, fixed block; 25, fixed spring; 26, matching groove; 3, unlocking mechanism; 31, linkage block; 32, unlocking rod; 33, unlocking groove; 34, linkage inclined surface; 35, matching inclined groove; 36, unlocking part; 37, reset spring. DETAILED DESCRIPTION
[0017] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0018] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0019] As Figures 1-3The utility model discloses a right angle wrench of long distance use, including wrench body 1, the both ends of wrench body 1 have input rotary end 11 and output rotary end 12 and input rotary end 11 is linked with output rotary end 12, including extension rod 2 and unlocking mechanism 3, extension rod 2 has fixed part 21 and holding part 22 and fixed part 21 is perpendicular to holding part 22, be provided with the locking groove 13 of shape adaptation with fixed part 21 on wrench body 1, be provided with fixed groove 23 on fixed part 21 and be perpendicular with locking groove 13, the fixed block 24 of sliding is provided in fixed groove 23, be provided with fixed spring 25 between fixed block 24 and fixed groove 23 bottom and fixed spring 25 constitutes the movement of fixed block 24 to fixed groove 23 outside, be provided with the matching groove 26 opposite with fixed groove 23 in locking groove 13, fixed block 24 has in the matching groove 26 and will wrench body 1 with extension rod 2 fixed fixed state, unlocking mechanism 3 sets up in wrench body 1 and has the unlocking state of drive fixed block 24 from the matching groove 26 removal, when facing the nut or bolt of need rotating distance is far, the fixed part 21 of extension rod 2 is inserted into locking groove 13 and is rotated, until fixed groove 23 and matching groove 26 are opposite, fixed block enters matching groove 26 under the drive of fixed spring 25, now extension rod 2 is fixed with wrench body 1, then the nut or bolt of need rotating is approached with wrench body 1, until output rotary end 12 and nut or bolt are opposite, then the operating rod is inserted into input rotary end 11, one hand holds holding part 22, prevents wrench body 1 from rotating, another hand rotates operating rod, thereby completes the rotation of nut or bolt, after completing, extension rod 2 is detached from wrench body 1 by unlocking mechanism 3, by adding extension rod 2, prevent wrench from rotating, and extension rod 2 is detachable, does not affect normal use.
[0020] Unlocking mechanism 3 includes linkage block 31 and unlocking lever 32, and the unlocking slot 33 parallel to the locking slot 13 is arranged on the wrench body 1, and the unlocking slot 33 extends to be communicated with the matching groove 26, the linkage block 31 is slidably arranged in the matching groove 26, and the unlocking lever 32 is slidably arranged in the unlocking slot 33 and constitutes the movement of the linkage block 31 in the matching groove 26, when unlocking is needed, the unlocking lever 32 is pressed to move downward, and then drives the linkage block 31 to move in the direction where the fixed groove 23 is located, until the fixed block is completely removed from the matching groove 26, and at this time, the extension rod 2 can be removed from the locking slot 13.
[0021] The side of the linkage block 31 close to the unlocking lever 32 is provided with a linkage inclined surface 34, the unlocking lever 32 is provided with a matching inclined groove 35 matched with the linkage inclined surface 34, and the linkage inclined surface 34 and the matching inclined groove 35 constitute the drive of the unlocking lever 32 to the linkage block 31.
[0022] The unlocking lever 32 has an unlocking portion 36 located outside the unlocking slot 33.
[0023] The unlocking mechanism 3 further comprises a reset spring 37, which is arranged between the unlocking rod 32 and the bottom of the unlocking slot 33 and drives the unlocking rod 32 to move outwardly of the unlocking slot 33. Under the gravity of the unlocking rod 32 itself, the extension degree of the reset spring 37 is such that the linkage inclined slot is opposite to the matching slot 26.
[0024] Working process: when the nut or bolt to be rotated is far away, the fixed part 21 of the extension rod 2 is inserted into the locking slot 13 and rotated until the fixed slot 23 is opposite to the matching slot 26, the fixed block enters the matching slot 26 under the drive of the fixed spring 25, at this time, the extension rod 2 is fixed with the wrench body 1, then the wrench body 1 is close to the nut or bolt to be rotated until the output rotating end 12 is opposite to the nut or bolt, then the operating rod is inserted into the input rotating end 11, one hand holds the holding part 22 to prevent the wrench body 1 from rotating, the other hand rotates the operating rod, thereby completing the rotation of the nut or bolt, after completion, the unlocking rod 32 is pressed to move downwardly, then the linkage block 31 is driven to move in the direction of the fixed slot 23, until the fixed block is completely removed from the matching slot 26, at this time, the extension rod 2 can be removed from the locking slot 13, thereby completing the disassembly of the extension rod 2 and the wrench body 1.
Claims
1. A long-distance right-angle wrench, comprising a wrench body (1), both ends of the wrench body (1) are provided with an input rotating end (11) and an output rotating end (12) respectively, and the input rotating end (11) and the output rotating end (12) are linked, characterized in that: The wrench body (1) is provided with a locking groove (13) matched with the shape of the fixed part (21), the fixed part (21) is provided with a fixed groove (23) and is perpendicular to the locking groove (13), the fixed groove (23) is provided with a fixed block (24) slidingly, the fixed block (24) and the bottom of the fixed groove (23) are provided with a fixed spring (25), the fixed spring (25) constitutes the movement of the fixed block (24) out of the fixed groove (23), the locking groove (13) is provided with a matching groove (26) opposite to the fixed groove (23), the fixed block (24) has a fixed state in the matching groove (26) and fixes the wrench body (1) and the extension rod (2), the unlocking mechanism (3) is arranged on the wrench body (1) and has an unlocking state of driving the fixed block (24) to move out of the matching groove (26). 2. The straight angle wrench using distance far according to claim 1, characterized in that: The unlocking mechanism (3) includes a linkage block (31) and an unlocking rod (32), the wrench body (1) is provided with an unlocking groove (33) parallel to the locking groove (13) and extending to communicate with the matching groove (26), the linkage block (31) is slidingly arranged in the matching groove (26), and the unlocking rod (32) is slidingly arranged in the unlocking groove (33) and constitutes the movement of the linkage block (31) in the matching groove (26).
3. The straight angle wrench of claim 2, wherein: The side of the linkage block (31) close to the unlocking rod (32) is provided with a linkage inclined surface (34), the unlocking rod (32) is provided with a matching inclined groove (35) matched with the linkage inclined surface (34), and the linkage inclined surface (34) and the matching inclined groove (35) constitute the driving of the unlocking rod (32) to the linkage block (31).
4. The straight angle wrench of claim 2, wherein: The unlocking rod (32) has an unlocking part (36) outside the unlocking groove (33).
5. The straight angle wrench of claim 1, wherein: The unlocking mechanism (3) further includes a reset spring (37), the reset spring (37) is arranged between the unlocking rod (32) and the bottom of the unlocking groove (33) and drives the unlocking rod (32) to move in the direction out of the unlocking groove (33).