CN220128660U

CN220128660U - Spanner

Info

Publication number: CN220128660U
Application number: CN202321562594.6U
Authority: CN
Inventors: 沈二欢; 吴水强; 李亚京; 陈茂义
Original assignee: Jiangsu Zhongzhixin Construction Engineering Co ltd
Current assignee: Jiangsu Zhongzhixin Construction Engineering Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-05
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses a wrench, comprising: the wrench comprises a wrench handle, wherein a rack is fixedly arranged on the outer wall of the wrench handle, an extension assembly is slidably connected on the outer wall of the wrench handle, a fixed frame is fixedly arranged on the outer wall of the extension assembly, a rotating shaft is installed at the top of the fixed frame in a penetrating mode, a gear is installed on the outer wall of the rotating shaft in a fixed sleeved mode, a ratchet is fixedly arranged on the outer wall of the rotating shaft, a mounting plate is slidably connected on the inner wall of the fixed frame, and a pawl is fixedly arranged on the outer wall of the mounting plate. According to the wrench, the extension assembly, the racks and the gears are arranged, the lug is pulled to move, the mounting plate drives the pawl to move and separate from the outer wall of the ratchet, the rotating shaft is twisted to drive the gears to rotate, the engaged and connected racks are pushed to move, the wrench handle slides out along the inner wall of the extension assembly, the length of the wrench handle is conveniently adjusted according to the requirements of using torque and length, and the practicability of the wrench for decoration is improved.

Description

Spanner

Technical Field

The utility model relates to the technical field of wrenches, in particular to a wrench.

Background

The wrench is a common installation and disassembly tool, and is a manual tool for screwing bolts, screws, nuts and other threads to tightly clamp openings or trepanning fasteners of the bolts or the nuts by utilizing a lever principle, the wrench is usually made of carbon or alloy structural steel, and in a decoration construction site or a decoration industry, the wrench is usually used for disassembling or installing the nuts, the bolts and other parts. However, when the existing wrench is used, the length of the wrench handle part is a fixed length, so that the length of the wrench handle is inconvenient to adjust according to the used length requirement or torque requirement, and the practicability of the wrench is reduced.

Patent document CN215968476U discloses a wrench, the claim of its protection discloses "including the handle, be located the first spanner of handle one end, first spanner includes the first fixed part of being connected with handle fixed, with first fixed part swing joint's first movable part, first fixed and first movable part are formed with the first opening of adjustable size, first fixed part axial fixity, circumference rotationally are provided with adjusting screw, first movable part fixedly connected with adjusting screw, adjusting screw and adjusting screw meshing transmission, the other end of handle is provided with the second spanner that is used for locking the pipe joint, the second spanner includes and the through-hole of adjustable size with the pipe fitting adaptation. However, the length of the handle portion of the wrench proposed in the above patent document is a fixed length, and it is inconvenient to adjust the length of the handle according to the torque demand.

Disclosure of Invention

The utility model aims to provide a wrench, so as to solve the technical problems that the length of a wrench handle is inconvenient to adjust according to the length requirement or the torque requirement when the conventional wrench provided in the background art is used, and the practicality of the wrench is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a wrench, comprising:

the outer wall of the wrench is fixedly provided with a rack;

the outer wall of the wrench handle is connected with the extension assembly in a sliding manner;

the fixed frame, the outer wall fixed mounting of extension subassembly has the fixed frame, the top of fixed frame runs through and installs the axis of rotation, the outer wall fixed cover of axis of rotation is established and is installed the gear, and the gear is connected with the rack meshing, the outer wall fixed mounting of axis of rotation has the ratchet, the inner wall fixed mounting of fixed frame has the spring one, the inner wall sliding connection of fixed frame has the mounting panel, the outer wall fixed mounting of mounting panel has the pawl, and pawl and ratchet outer wall meshing, the top fixed mounting of mounting panel has the lug, and the lug runs through the inner wall top of fixed frame.

Preferably, the outer wall of the right side of the wrench handle is provided with a connecting clamping groove.

Preferably, the inner wall embedding of connecting the draw-in groove is connected with the connecting block, and the outer wall fixed mounting of connecting block has the connecting axle, and square draw-in groove has been seted up to the inner wall of connecting axle, and the inner wall embedding of square draw-in groove is connected with square pole, and the one end fixed mounting of square pole has the push pedal, and the outer wall fixed mounting of push pedal has the spring two.

Preferably, the connecting block is fixedly arranged on the outer wall of the wrench head.

Preferably, the outer wall of the wrench head is fixedly provided with a fixed block, and the outer wall of the fixed block is fixedly provided with an anti-slip convex strip.

Preferably, the outer wall of the wrench head part is provided with a screw rod in a penetrating way.

Preferably, the outer wall of the screw rod is connected to the outer wall of the threaded block in a penetrating mode, and the movable block is fixedly arranged on the outer wall of the threaded block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the wrench, the extension assembly, the rack and the gear are arranged, the lug is pulled to move, the mounting plate drives the pawl to move and separate from the outer wall of the ratchet, the rotating shaft is twisted to drive the gear to rotate, the engaged and connected rack is pushed to move, the wrench handle slides out along the inner wall of the extension assembly, the length of the wrench handle is conveniently adjusted according to the requirements of using torque and length, and the practicability of the wrench for decoration is improved;

2. according to the wrench, the connecting block, the connecting clamping groove and the connecting shaft are arranged, the pushing plate is pulled to move to two sides, the square rod is driven to move to be separated from the inner wall of the square clamping groove, the wrench head is rotated, the connecting block is driven to rotate around the outer wall of the connecting shaft, the wrench head is rotated to be perpendicular to the wrench handle, the pushing plate is loosened, the spring II drives the square rod to be inserted into the inner wall of the square clamping groove, the handle head is fixed, and the wrench for decoration is convenient to detach the bolts when the distance between adjacent bolts is smaller.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the front structure of the present utility model;

FIG. 3 is a schematic view of a portion of a fixing frame according to the present utility model;

FIG. 4 is a schematic view of a mounting plate portion of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a wrench handle; 2. an extension assembly; 201. a rack; 202. a fixed frame; 203. a rotating shaft; 204. a gear; 205. a mounting plate; 206. a ratchet wheel; 207. a first spring; 208. a pawl; 209. a bump; 3. a connecting block; 301. a connecting clamping groove; 302. a connecting shaft; 303. square clamping groove; 304. square bar; 305. a push plate; 306. a second spring; 307. a wrench head; 4. a fixed block; 401. an anti-slip raised line; 5. a screw rod; 6. a screw block; 601. and (5) moving the block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, a wrench includes: the spanner handle 1, spanner handle 1 is rectangular platelike structure, and spanner handle 1 sliding connection is in the inner wall that extends subassembly 2, spanner head 307's outer wall fixed mounting has fixed block 4, fixed block 4's outer wall fixed mounting has anti-skidding sand grip 401, the setting group number of anti-skidding picture strip is the multiunit, evenly distributed is in fixed block 4 right side outer wall, spanner head 307's outer wall runs through and installs lead screw 5, lead screw 5's outer wall run-through is connected in screw block 6's outer wall, and screw lug 209 runs through spanner head 307's inner wall, screw block 6's outer wall fixed mounting has movable block 601, and movable block 601's left side outer wall and spanner head 307's right side outer wall sliding connection, and movable block 601 is close to fixed block 4's one side outer wall, fixedly provided with multiunit anti-skidding picture strip.

Referring to fig. 1, 3 and 4, a rack 201 is fixedly mounted on an outer wall of a wrench, the rack 201 is fixedly mounted on one side of a front outer wall of the wrench, an extension assembly 2 is slidably connected to an outer wall of a wrench handle 1, the rack 201 penetrates through an inner wall of the extension assembly 2 and is slidably connected to a penetrating portion of the extension assembly 2, a fixing frame 202 is fixedly mounted on an outer wall of the extension assembly 2, the fixing frame 202 is positioned on the right side of the rack 201, a rotating shaft 203 is fixedly mounted on a top portion of the fixing frame 202 in a penetrating manner, a bottom end of the rotating shaft 203 is embedded and connected to the bottom portion of the inner wall of the fixing frame 202, a gear 204 is fixedly sleeved on an outer wall of the rotating shaft 203, the gear 204 is in meshed connection with the rack 201, a ratchet 206 is fixedly mounted on an outer wall of the rotating shaft 203, the ratchet 206 is positioned below the gear 204, a first spring 207 is fixedly mounted on an inner wall of the fixing frame 202, a plurality of mounting groups of the first springs 207, the inner wall of the fixed frame 202 is slidingly connected with a mounting plate 205, the outer wall of the mounting plate 205 is fixedly connected with one end of a spring 207 far away from the inner wall of the fixed frame 202, the outer wall of the mounting plate 205 is fixedly provided with a pawl 208, the pawl 208 is meshed with the outer wall of a ratchet wheel 206, the top of the mounting plate 205 is fixedly provided with a projection 209, the projection 209 penetrates through the top of the inner wall of the fixed frame 202 and extends to the upper part of the fixed frame 202, the projection 209 is pulled to move, the mounting plate 205 presses the spring 207 and drives the pawl 208 to move, the outer wall of the ratchet wheel 206 is separated, the rotating shaft 203 is twisted to drive the gear 204 to rotate, the meshed rack 201 is pushed to move, the wrench handle 1 slides out along the inner wall of the extension assembly 2, the length of the wrench handle 1 is conveniently adjusted according to the requirements of using torque and length, after adjustment, the projection 209 is released, the spring 207 pushes the mounting plate 205 to move, and drives the pawl 208 to move to clamp with the outer wall of the ratchet wheel 206, the mounting shaft and thus the rack 201 and the wrench handle 1 and extension assembly 2 are fixed.

Referring to fig. 1, fig. 3 and fig. 5, the connection draw-in groove 301 has been seted up to the right side outer wall of spanner handle 1, the inner wall embedding of connection draw-in groove 301 is connected with connecting block 3, connecting block 3's outer wall fixed mounting has connecting axle 302, the installation group number of connecting axle 302 is two, the symmetric distribution is in connecting block 3's both sides outer wall, and connecting axle 302 is kept away from connecting block 3's one end embedding connection in connecting draw-in groove 301's inner wall, square draw-in groove 303 has been seted up to connecting axle 302's inner wall, square bar 304 is connected with square pole 304 in the inner wall embedding of square pole 303, and square pole 304 runs through spanner handle 1's inner wall, and extend to spanner handle conservative outside, square pole 304's one end fixed mounting has push pedal 305, push pedal 305 is located spanner handle 1's outer wall one side, the outer wall fixed mounting of push pedal 305 has two springs 306, and two ends of push pedal 305 are kept away from the outer wall fixed connection of spanner handle 1, connecting block 3 fixed mounting is in spanner head 307's outer wall, pull push pedal 305 moves to spanner handle 1 both sides respectively, square pole 306 is driven to square pole 304 and moves to both sides respectively, make square pole 304 break away from square pole 303 inner wall, square pole 307 rotates the spanner handle 307, and the spanner handle 1 is rotated around axle 302, and square joint handle 1 is rotated to the square bolt is connected with square handle 1 when the spanner handle 1 is rotated, the adjacent to the square bolt is rotated to the end is connected with square handle 1, and the spanner handle is rotated to the adjacent to the square bolt is fixed to the spanner handle is rotated, and is used to the spanner handle is fixed to be connected to the spanner handle to the opposite to the end.

The operating principle, when the spanner is used in the fitment trade to dismantle the bolt, pulling lug 209 removes, make mounting panel 205 extrusion spring one 207, and drive pawl 208 and remove, break away from ratchet 206 outer wall, twist axis of rotation 203 drive gear 204 and rotate, promote rack 201 that the meshing is connected and remove, make spanner handle 1 slide along extending subassembly 2 inner wall, be convenient for according to the requirement of using moment of torsion and length, adjust spanner handle 1's length, after adjusting, loosen lug 209, spring one 207 promotes mounting panel 205 and removes, drive pawl 208 remove with ratchet 206 outer wall card sum, fix the installation axle, and then fix rack 201 and spanner handle 1 with extending subassembly 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A wrench, comprising:

a wrench handle (1), wherein a rack (201) is fixedly arranged on the outer wall of the wrench handle;

the outer wall of the wrench handle (1) is connected with the extension assembly (2) in a sliding manner;

fixed frame (202), the outer wall fixed mounting of extension subassembly (2) has fixed frame (202), rotation axis (203) are run through at the top of fixed frame (202), gear (204) are installed to the outer wall fixed cover of rotation axis (203), and gear (204) are connected with rack (201) meshing, the outer wall fixed mounting of rotation axis (203) has ratchet (206), the inner wall fixed mounting of fixed frame (202) has spring one (207), the inner wall sliding connection of fixed frame (202) has mounting panel (205), the outer wall fixed mounting of mounting panel (205) has pawl (208), and pawl (208) and ratchet (206) outer wall meshing, the top fixed mounting of mounting panel (205) has lug (209), and the inner wall top of fixed frame (202) is run through to lug (209).

2. A wrench as claimed in claim 1, wherein: the outer wall of the right side of the wrench handle (1) is provided with a connecting clamping groove (301).

3. A wrench as claimed in claim 2, wherein: the inner wall embedding of connection draw-in groove (301) is connected with connecting block (3), and the outer wall fixed mounting of connecting block (3) has connecting axle (302), and square draw-in groove (303) have been seted up to the inner wall of connecting axle (302), and the inner wall embedding of square draw-in groove (303) is connected with square pole (304), and one end fixed mounting of square pole (304) has push pedal (305), and the outer wall fixed mounting of push pedal (305) has spring two (306).

4. A wrench as claimed in claim 3, wherein: the connecting block (3) is fixedly arranged on the outer wall of the wrench head part (307).

5. A wrench as claimed in claim 4, wherein: the outer wall of the wrench head part (307) is fixedly provided with a fixed block (4), and the outer wall of the fixed block (4) is fixedly provided with an anti-slip raised line (401).

6. A wrench as claimed in claim 4, wherein: the outer wall of the wrench head part (307) is provided with a screw rod (5) in a penetrating way.

7. A wrench as claimed in claim 6, wherein: the outer wall of the screw rod (5) is connected to the outer wall of the threaded block (6) in a penetrating mode, and the movable block (601) is fixedly arranged on the outer wall of the threaded block (6).