Adjustable double-opening wrench

Abstract

The utility model relates to the technical field of hardware tools, and discloses an adjustable double-opening wrench which comprises a connecting rod, a wrench head, a movable jaw plate, a telescopic assembly, a sliding assembly and an auxiliary assembly. A wrench head is fixedly arranged at the end part of the connecting rod; a movable jaw plate is arranged at the other end of the wrench head; the telescopic assembly is arranged on the connecting rod, the sliding assembly is arranged in the movable jaw plate, and the auxiliary assembly is arranged in the sliding assembly; according to the wrench, the connecting sleeve is connected with the connecting rod in an embedded mode, a user can conveniently adjust the length of the wrench according to operation space and torque by means of the clamping protruding head, the limiting plate, the positioning hole, the mounting hole and a hand-turning screw, various working conditions can be met, and convenience is improved; in the sliding assembly, a sliding groove, a button and a clamping groove are combined, so that the movable jaw plate is conveniently adjusted to be matched with nuts and bolts, and tool carrying is reduced; in the auxiliary assembly, a linkage rod, a fixing shaft and other components cooperate, smooth adjustment is guaranteed, the structure is reliable, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware tool technical field, concretely is a kind of adjustable double-opening wrench. BACKGROUND

[0002] The patent document with the existing announcement No.CN203109860U discloses a kind of adjustable double-opening wrench, can twist six specifications and models of bolt or nut, wrench opening has a fixed wrench finger and a movable wrench finger, movable wrench finger is connected by slide way with fixed wrench finger, two locating square holes are opened on movable wrench finger body, it is corresponding on fixed wrench finger body, with square pin fixed movable wrench finger and fixed wrench finger, change two locating square holes on movable wrench finger body, to change the size of two specifications and models of wrench opening, two different specifications and models of plum-blossom wrench opening are additionally opened on wrench handle.

[0003] But the above-mentioned scheme and prior art, some existing double-opening wrench still has the problem in adjustable aspect, its opening and wrench length are fixed and cannot be adjusted, maintenance personnel face different specifications nut, bolt, need to carry a large number of different models of wrench, prone to cause inconvenience, therefore can be improved and optimized.

[0004] Therefore, the utility model provides a kind of adjustable double-opening wrench for solving the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of adjustable double-opening wrench to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable double-opening wrench, including connecting rod, wrench head, movable jaw plate, telescopic component, sliding assembly, auxiliary assembly;

[0007] The connecting rod end is fixedly provided with wrench head, and the other end of the wrench head is provided with movable jaw plate;

[0008] The telescopic component is arranged on the connecting rod, the sliding assembly is arranged inside the movable jaw plate, and the auxiliary assembly is arranged in the sliding assembly.

[0009] Preferably, the connecting sleeve in the telescopic component is embedded with the connecting rod inside, the connecting sleeve end is provided with clamping protrusion, the connecting rod end is provided with limit plate, and the limit plate is clamped in the end of clamping protrusion.

[0010] Preferably, the locating holes in the telescopic component are uniformly fixed on the two side ends of the connecting rod, the connecting sleeve is fixedly provided with mounting hole, and the locating hole and the mounting hole are fixed by hand screw thread connection.

[0011] Preferably, the sliding groove in the sliding assembly is arranged at one side end of the wrench head, a button is slidably connected to the sliding groove, and a clamping groove is arranged in the wrench head.

[0012] Preferably, the connecting rod in the auxiliary assembly is fixedly arranged at one end of the button, a fixed shaft is fixedly arranged at one side end of the connecting rod, the fixed shaft is slidably connected in a second sliding groove, and the second sliding groove is arranged on the fixed disc.

[0013] Preferably, one side end of the fixed disc in the auxiliary assembly is fixedly connected with a movable rod, a fixed ring is sleeved on the movable rod, the fixed ring is fixedly arranged on a third sliding groove, a spring is sleeved on the movable rod, one side end of the spring is fixedly arranged in the fixed ring, and the other side end of the spring is fixedly arranged on the movable rod.

[0014] Compared with the prior art, the utility model has the advantages that through the embedding of the connecting sleeve and the connecting rod, the design of the clamping convex head and the limiting plate, the positioning hole and the mounting hole and the hand screw, the user can conveniently adjust the length of the wrench according to the operation space and the required torque, can flexibly cope with narrow corners or work requiring large torque, greatly improves the operation convenience, in the sliding assembly, the combination of the sliding groove, the button and the clamping groove makes the movable jaw plate convenient to adjust, can quickly adapt to different specifications of nuts and bolts, reduces the amount of tools to be carried, furthermore, in the auxiliary assembly, the connecting rod, the fixed shaft, the second sliding groove, the fixed disc, the movable rod, the fixed ring and the spring cooperate with each other, not only guarantee the smooth and stable adjustment process, but also enhance the structural reliability, avoid loosening and effectively prolong the service life of the tool. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a schematic view of the utility model telescopic assembly and sliding assembly;

[0017] Figure 3 It is a sectional view of the utility model telescopic assembly;

[0018] Figure 4 It is a schematic view of the utility model auxiliary assembly.

[0019] In the drawing: connecting rod 1, wrench head 2, movable jaw plate 3, telescopic assembly 4, sliding assembly 5, auxiliary assembly 6, connecting sleeve 401, clamping convex head 402, limiting plate 403, positioning hole 404, mounting hole 405, hand screw 406, sliding groove 501, button 502, clamping groove 503, connecting rod 601, fixed shaft 602, second sliding groove 603, fixed disc 604, movable rod 605, fixed ring 606, third sliding groove 607, spring 608. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model clear, complete description, and the advantage is more clear and clear, the following combining with the figure to the utility model embodiment carries out further detailed explanation, should understand, the specific embodiment described here is the utility model a part of embodiment, rather than all the embodiments, only use to explain the utility model embodiment, and does not use to limit the utility model embodiment, the all other embodiments of the ordinary skill in the art obtained without making the creative labor premise, belong to the range of the utility model protection, the following will be clear, complete description to the technical scheme in the utility model embodiment.

[0021] Embodiment one: please refer to Figures 1 to 2 A kind of adjustable double-opening spanner, including connecting rod 1, spanner head 2, movable jaw plate 3, telescopic component 4, sliding component 5, auxiliary assembly 6;Connecting rod 1 end portion is fixedly provided with spanner head 2, and spanner head 2 other end is provided with movable jaw plate 3;Telescopic component 4 is arranged on connecting rod 1, sliding component 5 is arranged in movable jaw plate 3, and auxiliary assembly 6 is arranged in sliding component 5.

[0022] The connecting sleeve 401 in telescopic component 4 is embedded with connecting rod 1 inside, the connecting sleeve 401 end portion is provided with clamping lug 402, the connecting rod 1 end portion is provided with limit plate 403, and the limit plate 403 is clamped in the end portion of clamping lug 402.

[0023] When using, when encountering narrow operating space condition, user needs to hold connecting rod 1 first, and pushes it inwards along connecting sleeve 401, at this time, the clamping lug 402 at the end portion of connecting sleeve 401 cooperates with the limit plate 403 at the end portion of connecting rod 1, which can ensure the smooth movement of connecting rod 1, and prevent it from excessive displacement and escape, and after adjusting to the appropriate length, spanner head 2 and movable jaw plate 3 can be easily explored into narrow space.

[0024] Embodiment two: on the basis of embodiment one, please refer to Figures 2 to 3 The positioning hole 404 in telescopic component 4 is uniformly fixed on the both sides of the end portion of connecting rod 1, the mounting hole 405 is fixedly arranged on connecting sleeve 401, and the positioning hole 404 is fixedly connected with the mounting hole 405 by hand screw 406.

[0025] The sliding groove 501 in sliding component 5 is arranged on one side of the end portion of spanner head 2, the button 502 is slidably clamped on the sliding groove 501, the clamping groove 503 is arranged in the inside of spanner head 2, and the clamping hole 504 is arranged in the inside of clamping groove 503.

[0026] In use, if it is needed to further fix the adjusted wrench length, prevent the connecting rod 1 from retracting in the large torque operation, the hand screw 406 can be passed through the mounting hole 405 on the connecting sleeve 401 and screwed into the corresponding positioning hole 404 on both sides of the connecting rod 1, so that the stable connection is realized, and when facing different specifications of nuts and bolts, the movable jaw plate 3 needs to be adjusted, the button 502 on the sliding groove 501 is pressed, the button 502 is forced to slide in the sliding groove 501, and the components connected with the button 502 are driven to move, at this time, the clamping hole 504 in the clamping groove 503 plays a key auxiliary positioning role, which can ensure that the movable jaw plate 3 is accurately adjusted in position according to the predetermined track during movement, and the diversified operation requirements are met.

[0027] Example three: on the basis of example two, please refer to Figures 3 to 4 The linkage rod 601 in the auxiliary assembly 6 is fixedly arranged at the end of the button 502, a fixed shaft 602 is fixedly arranged at one side end of the linkage rod 601, the fixed shaft 602 is slidably clamped in the second sliding groove 603, and the second sliding groove 603 is arranged on the fixed disc 604.

[0028] One side end of the fixed disc 604 in the auxiliary assembly 6 is fixedly connected with a movable rod 605, the movable rod 605 is sleeved with a fixed ring 606, the fixed ring 606 is fixedly arranged on the third sliding groove 607, a spring 608 is sleeved on the movable rod 605, one side end of the spring 608 is fixedly arranged on the fixed ring 606, and the other side end of the spring 608 is fixedly arranged on the movable rod 605.

[0029] In use, after the button 502 is pressed, the linkage rod 601 moves together with the button 502, the fixed shaft 602 at the end of the linkage rod 601 stably slides in the second sliding groove 603 of the fixed disc 604, the movement direction of the linkage rod 601 is guided, the action is ensured to be accurate, simultaneously, the movable rod 605 can only do limited telescopic movement along the third sliding groove 607 under the limitation of the fixed ring 606, and the spring 608 plays a buffering and resetting role, when the button 502 is released, the spring 608 pushes the movable rod 605 back to the original position by using the elastic force of the spring 608, and then drives the linkage rod 601 and the button 502 to reset, the movable rod 605 is clamped and fixed with the clamping hole 504, the fixing and adjustment of the movable jaw plate 3 are realized, and the whole adjustment process is smooth and stable.

[0030] 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. An adjustable double opening spanner, characterized by: Including connecting rod (1), wrench head (2), movable jaw (3), telescopic assembly (4), sliding assembly (5), auxiliary assembly (6); The connecting rod (1) is fixedly provided with a wrench head (2) at one end, and the wrench head (2) is provided with a movable jaw (3) at the other end; The telescopic assembly (4) is arranged on the connecting rod (1), the sliding assembly (5) is arranged inside the movable jaw (3), and the auxiliary assembly (6) is arranged in the sliding assembly (5); The connecting sleeve (401) in the telescopic assembly (4) is embedded in the connecting rod (1) in a matching manner, the connecting sleeve (401) is provided with a clamping protrusion (402) at one end, the connecting rod (1) is provided with a limiting plate (403) at one end, and the limiting plate (403) is clamped at one end of the clamping protrusion (402).

2. The adjustable double opening wrench of claim 1 wherein: The positioning holes (404) in the telescopic assembly (4) are uniformly and fixedly arranged at both sides of the connecting rod (1), the connecting sleeve (401) is fixedly provided with a mounting hole (405), and the positioning holes (404) and the mounting hole (405) are threadedly connected and fixed by a hand screw (406).

3. The adjustable double opening wrench of claim 1 wherein: The sliding groove (501) in the sliding assembly (5) is arranged at one side of the wrench head (2), the sliding groove (501) is slidably clamped with a button (502), the wrench head (2) is provided with a clamping groove (503) inside, and the clamping groove (503) is provided with a clamping hole (504) inside.

4. The adjustable double opening wrench of claim 1 wherein: The connecting rod (601) in the auxiliary assembly (6) is fixedly arranged at one end of the button (502), the connecting rod (601) is fixedly provided with a fixed shaft (602) at one side, the fixed shaft (602) is slidably clamped in a second sliding groove (603), and the second sliding groove (603) is arranged on a fixed disc (604).

5. The adjustable double opening wrench of claim 4 wherein: The fixed disc (604) in the auxiliary assembly (6) is fixedly connected with a movable rod (605) at one side, the movable rod (605) is sleeved with a fixed ring (606), the fixed ring (606) is fixedly arranged on a third sliding groove (607), the movable rod (605) is sleeved with a spring (608), one side of the spring (608) is fixedly arranged on the fixed ring (606), and the other side of the spring (608) is fixedly arranged on the movable rod (605).

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