Wrench tail structure of wrench
By designing an adjustable frame and a locking mechanism for the wrench tail structure, the problems of laborious use and inconvenient operation of nuts in special positions caused by the fixed length of traditional wrenches are solved. This enables flexible adjustment of the wrench tail length and convenient replacement of the wrench head, thus improving ease of use.
Patent Information
- Application Number
- CN202520068686.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional wrenches have a fixed length and cannot be adjusted according to usage needs, resulting in laborious use and inconvenience when operating nuts in special positions.
A wrench tail structure was designed, comprising an adjustment frame, an adjustment screw, a knob, an adjustment block, and a locking mechanism. The length of the wrench handle is adjusted by turning the knob to drive the adjustment screw, and the wrench head with different clamping openings is changed by the locking mechanism, so as to achieve flexible adjustment.
It enables flexible adjustment of the wrench tail length and convenient replacement of the wrench head, improving ease of use and adaptability, especially for the convenient operation of nuts in special positions.
Smart Images
Figure CN223749531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spanner technical field, concretely is a spanner tail structure of spanner. BACKGROUND
[0002] Spanner is a commonly used installation and disassembly tool, is the hand tool of using lever principle and turning screw bolt, screw, nut and other threaded fastening bolt or nut opening or sleeve hole fixture.
[0003] But the length of traditional spanner is fixed, cannot adjust according to use demand, to lead to in actual use more laborsaving, and for some special position nut, operation is more inconvenient.
[0004] Therefore, design a spanner tail structure of spanner to solve the above-mentioned defects, it is particularly important. UTILITY MODEL CONTENT
[0005] In view of the deficiency of prior art, the utility model discloses a spanner tail structure of spanner, which aims to solve the technical problems of inconvenient adjustment of spanner tail length according to requirements and inability to tighten nuts in some special positions under the prior art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A spanner tail structure of spanner, including the adjusting frame, the bottom of adjusting frame is rotatably connected with adjusting screw rod, and one end of adjusting screw rod is fixedly connected with knob outside adjusting frame, the top of adjusting frame is provided with guide slot, a group of limit sliding slots are formed in the top of adjusting frame on both sides, the top of adjusting frame is slidably connected with adjusting block, the top of adjusting block is fixedly connected with spanner handle, the side, away from knob of adjusting frame, is fixedly connected with mounting piece, the side, away from adjusting frame of mounting piece, is provided with mounting slot, a group of limit clamping grooves are formed in the inner wall of mounting slot on both sides, a group of clamping mechanisms are arranged on the inner wall of mounting slot on both sides and right side of limit clamping groove, and the inside of mounting slot is clamped with spanner head.
[0008] As the preferred scheme of the utility model, a pair of reinforcing ribs two are fixedly connected at the connecting part of adjusting frame and mounting piece.
[0009] As the preferred scheme of the utility model, a pair of reinforcing ribs one are fixedly connected at the connecting part of adjusting block and spanner handle, and rubber antiskid sleeve is arranged on the outside of spanner handle.
[0010] As the preferred scheme of the utility model, the both sides of the adjusting block and the positions corresponding to the limiting sliding groove are fixedly connected with limiting sliding blocks, the adjusting block is slidably connected with the limiting sliding groove through the limiting sliding blocks, the position corresponding to the adjusting screw of the adjusting block is provided with a threaded adjusting hole, and the adjusting block is threadedly connected with the adjusting screw through the threaded adjusting hole.
[0011] As the preferred scheme of the utility model, the clamping mechanism is composed of a movable groove, a reset spring and a clamping block, a group of movable grooves are arranged on the inner wall of the mounting groove and located at the right side of the limiting clamping groove, the inner wall of the movable groove is fixedly connected with the reset spring, and the end, away from the inner wall of the movable groove, of the reset spring is fixedly connected with the clamping block.
[0012] As the preferred scheme of the utility model, the position corresponding to the limiting clamping groove of the wrench head is fixedly connected with a limiting clamping strip, the wrench head is connected through the plug-in connection of the limiting clamping groove of the limiting clamping strip, the position corresponding to the clamping block of the wrench head is provided with a clamping hole, and the clamping block is clamped with the wrench head through the clamping hole.
[0013] As the preferred scheme of the utility model, the side, away from the mounting piece, of the wrench head is provided with a clamping opening, and the inner wall of the clamping opening is fixedly connected with an antiskid pad.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] Firstly, the knob drives the adjusting screw to rotate, the adjusting block is threadedly connected with the adjusting screw through the threaded adjusting hole, and the wrench handle is driven to move and adjust, so that the length of the wrench tail part can be adjusted according to requirements, the wrench handle is fixed to the top of the adjusting block, and the wrench handle is conveniently held.
[0016] Secondly, the reset spring drives the clamping block to be embedded into the clamping hole to clamp and fix the wrench head, the wrench head is connected through the plug-in connection of the limiting clamping groove of the limiting clamping strip to be limited and fixed, and the wrench head with different clamping opening sizes can be replaced according to requirements. DRAWINGS
[0017] Figure 1 It is a whole three-dimensional structure schematic view of the wrench.
[0018] Figure 2 It is a partial structure schematic view of the wrench.
[0019] Figure 3 It is a partial structure schematic view of the wrench tail.
[0020] Figure 4 It is a plane schematic view of the internal structure of the mounting piece.
[0021] Figure 5 It is a structure schematic view of the wrench head.
[0022] Figure 6 It is a plane view of the internal structure of the wrench.
[0023] In the figure: 1, adjusting frame; 101, adjusting screw; 1011, knob; 102, guide groove; 103, limiting sliding groove; 104, reinforcing rib two; 2, adjusting block; 201, wrench handle; 2011, reinforcing rib one; 2012, anti-skid sleeve; 202, limiting sliding block; 203, threaded adjusting hole; 3, mounting piece; 301, mounting groove; 302, limiting clamping groove; 303, clamping mechanism; 3031, movable groove; 3032, reset spring; 3033, clamping block; 4, wrench head; 401, limiting clamping strip; 402, clamping hole; 403, clamping opening; 4031, anti-skid pad. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. 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.
[0025] Embodiment:
[0026] The wrench tail structure of the wrench provided in the embodiments of the present application aims to solve the technical problems that the length of the wrench tail cannot be adjusted according to requirements in the prior art, and the nut at some special positions cannot be screwed.
[0027] Please refer to Figures 1-6 The present application provides a technical solution:
[0028] The wrench tail structure of the wrench comprises an adjusting frame 1, the bottom of the adjusting frame 1 is rotationally connected with an adjusting screw 101, one end of the adjusting screw 101 is fixedly connected with a knob 1011 outside the adjusting frame 1, the top of the adjusting frame 1 is provided with a guide groove 102, and a group of limiting sliding grooves 103 are arranged on the two sides of the top of the adjusting frame 1. A pair of reinforcing ribs two 104 are fixedly connected at the connecting position of the adjusting frame 1 and a mounting piece 3, so as to enhance the connecting strength of the adjusting frame 1 and the mounting piece 3.
[0029] Among them, please refer to Figure 1 、 Figure 2 and Figure 3The top of the adjusting frame 1 is slidably connected with an adjusting block 2, the top of the adjusting block 2 is fixedly connected with a wrench handle 201, a pair of reinforcing ribs 2011 are fixedly connected at the connecting position of the adjusting block 2 and the wrench handle 201, the connecting strength of the adjusting block 2 and the wrench handle 201 is enhanced, a rubber anti-skid sleeve 2012 is sleeved outside the wrench handle 201, the gripping comfort and the anti-skid property of the wrench handle 201 are enhanced, limiting sliding blocks 202 are fixedly connected at the positions corresponding to the limiting sliding grooves 103 on the two sides of the adjusting block 2, the adjusting block 2 is slidably connected with the limiting sliding grooves 103 through the limiting sliding blocks 202, and the stability and the smoothness of the movement adjustment of the adjusting block 2 are improved, screw thread adjusting holes 203 are formed in the positions corresponding to the adjusting screw 101 on the adjusting block 2, the adjusting screw 101 is driven to rotate by the knob 1011, the adjusting block 2 is threadedly connected with the adjusting screw 101 through the screw thread adjusting holes 203, the wrench handle 201 is driven to move and adjust, and therefore the length of the wrench tail part can be adjusted according to requirements.
[0030] Further, referring to Figure 1 , Figure 2 , Figure 4 and Figure 6 , the side, away from the knob 1011, of the adjusting frame 1 is fixedly connected with a mounting piece 3, the side, away from the adjusting frame 1, of the mounting piece 3 is provided with a mounting groove 301, a group of limiting clamping grooves 302 are formed in the inner walls of the mounting groove 301, a group of clamping mechanisms 303 are arranged on the inner walls of the mounting groove 301 and located to the right of the limiting clamping grooves 302, the clamping mechanisms 303 are composed of movable grooves 3031, return springs 3032 and clamping blocks 3033, a group of movable grooves 3031 are formed in the inner walls of the mounting groove 301 and located to the right of the limiting clamping grooves 302, the return springs 3032 are fixedly connected with the inner walls of the movable grooves 3031, and the clamping blocks 3033 are fixedly connected with the ends, away from the inner walls of the movable grooves 3031, of the return springs 3032.
[0031] Further, referring to Figure 1 and Figure 5 , the mounting groove 301 is clamped with a wrench head 4, limiting clamping strips 401 are fixedly connected with the wrench head 4 at the positions corresponding to the limiting clamping grooves 302, the wrench head 4 is fixedly limited by being inserted into the limiting clamping grooves 302 through the limiting clamping strips 401, clamping holes 402 are formed in the positions corresponding to the clamping blocks 3033 on the wrench head 4, the clamping blocks 3033 are embedded into the clamping holes 402 by the elasticity of the return springs 3032, the wrench head 4 is clamped and fixed, different wrench heads 4 with different clamping openings 403 can be replaced according to requirements, clamping openings 403 are formed in the side, away from the mounting piece 3, of the wrench head 4, anti-skid pads 4031 are fixedly connected with the inner walls of the clamping openings 403, and the anti-skid property of the clamping openings 403 in clamping and screwing nuts is enhanced.
[0032] The utility model discloses a work flow: first, spanner head 4 inserts the inside of installation slot 301, is limited fixed through with spacing strip 401 spacing slot 302 plug-in connection, reset spring 3032 is driven through the elasticity of itself and is inserted into the card hole 402 and is fixed to the card of spanner head 4, and the spanner head 4 of different clamping mouth 403 size is convenient according to the demand replacement, and screwing knob 1011 drives adjusting screw 101 rotation, makes adjusting block 2 through the threaded adjusting hole 203 and adjusting screw 101 screw connection drive spanner handle 201 and move adjustment, thereby convenient according to the demand adjustment spanner tail length, and spanner handle 201 is through fixed in the top of adjusting block 2, avoids nut installation position special inconvenient to hold spanner handle 201, and rubber antiskid cover 2012 enhances the holding comfort and antiskid of spanner handle 201, and adjusting block 2 is through spacing slide block 202 and spacing slide groove 103 sliding connection, improves the stability and silkiness of adjusting block 2 mobile adjustment, and antiskid pad 4031 enhances the antiskid of clamping mouth 403 and nut clamping and screwing.
[0033] The whole operation process is simple and convenient, compared with the existing spanner tail structure, the utility model discloses can be convenient according to the demand adjustment spanner tail length and replace spanner head through design, improve the use convenience.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A spanner tail structure of a spanner comprising an adjustment bracket (1), characterized in that: The bottom of adjusting frame (1) is rotationally connected with adjusting screw (101), one end of adjusting screw (101) is fixedly connected with knob (1011) outside adjusting frame (1), the top of adjusting frame (1) is provided with guide slot (102), both sides of the top of adjusting frame (1) are provided with a group of limiting sliding slots (103), the top of adjusting block (2) is slidingly connected with adjusting frame (1), the top of adjusting block (2) is fixedly connected with spanner handle (201), the side of adjusting frame (1) away from knob (1011) is fixedly connected with mounting piece (3), the side of mounting piece (3) away from adjusting frame (1) is provided with mounting slot (301), both sides of the inner wall of mounting slot (301) are provided with a group of limiting clamping grooves (302), both sides of the inner wall of mounting slot (301) and located at the right side of limiting clamping groove (302) are provided with a group of clamping mechanisms (303), spanner head (4) is clamped in the inner part of mounting slot (301).
2. The spanner tail structure of claim 1, wherein: The connecting part of adjusting frame (1) and mounting piece (3) is fixedly connected with a pair of reinforcing ribs two (104).
3. The spanner tail structure of claim 1 wherein: The connecting part of adjusting block (2) and spanner handle (201) is fixedly connected with a pair of reinforcing ribs one (2011), the outer side of spanner handle (201) is sleeved with rubber antiskid sleeve (2012).
4. The spanner tail structure of claim 1 wherein: The both sides of adjusting block (2) and the positions corresponding to limiting sliding slot (103) are fixedly connected with limiting sliding blocks (202), adjusting block (2) is slidingly connected with limiting sliding slot (103) through limiting sliding block (202), the position corresponding to adjusting screw (101) of adjusting block (2) is provided with screw thread adjusting hole (203), adjusting block (2) is screwedly connected with adjusting screw (101) through screw thread adjusting hole (203).
5. The spanner tail structure of claim 1 wherein: The clamping mechanism (303) is composed of movable slot (3031), reset spring (3032) and clamping block (3033), a group of movable slots (3031) are formed in the inner wall of mounting slot (301) and located at the right side of limiting clamping groove (302), reset spring (3032) is fixedly connected with clamping block (3033) at the end away from the inner wall of movable slot (3031).
6. A spanner tail structure for a spanner according to claim 5, wherein: The position corresponding to limiting clamping groove (302) of spanner head (4) is fixedly connected with limiting clamping strip (401), spanner head (4) is connected with limiting clamping groove (302) through limiting clamping strip (401), the position corresponding to clamping block (3033) of spanner head (4) is provided with clamping hole (402), clamping block (3033) is clamped with spanner head (4) through clamping hole (402).
7. The spanner tail structure of claim 1 wherein: The side of spanner head (4) away from mounting piece (3) is provided with clamping opening (403), antiskid pad (4031) is fixedly connected with the inner wall of clamping opening (403).