CN215920298U - Large-torque bolt assembling and disassembling wrench in narrow space - Google Patents

Abstract

The utility model discloses a large-torque bolt assembling and disassembling wrench in a narrow space, which comprises a rotating handle, wherein one end of the rotating handle is fixedly connected with a connector, the bottom end of the connector is connected with a connecting seat, the bottom end of the connecting seat is connected with a rotating head, one side of the connecting seat is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with a handle.

Description

Large-torque bolt assembling and disassembling wrench in narrow space

Technical Field

The utility model relates to the technical field of assembling and disassembling wrenches, in particular to a large-torque bolt assembling and disassembling wrench in a narrow space.

Background

The wrench is a common mounting and dismounting tool, and is a hand tool for screwing bolts, screws, nuts and other screw threads to tightly hold the opening or trepanning fasteners of the bolts or the nuts by utilizing the lever principle, the wrench is usually made of structural steel made of carbon or alloy materials, the wrench is usually provided with an opening or trepanning for clamping the bolts or the nuts at one end or two ends of a handle part, and when the wrench is used, external force is applied to the handle part along the rotation direction of the screw threads, so that the bolts or the nuts can be screwed.

At present, at the in-process that the spanner used, need rotate the commentaries on classics handle on the spanner when screwing to the screw, and then drive the rotation of turning round through the rotation of changeing the handle, consequently screw and move, but in the use of time, because construction site's restriction, the space that leads to the operation is comparatively narrow and small, can't rotate the spanner fast, and because the narrow and small spanner that leads to in place can only slowly just the minizone rotates, consequently the efficiency of screwing the screw is lower, for this, we propose big moment of torsion bolt loading and unloading spanner in the narrow and small space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wrench which is convenient for improving the rotating speed of a rotating head so as to facilitate the assembly and disassembly of a large-torque bolt in a narrow space, and the wrench is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: big moment of torsion bolt loading and unloading spanner in narrow and small space, including rotating the handle and accelerating the subassembly, the one end fixedly connected with connector of rotation handle, the bottom of connector is connected with the connecting seat, the bottom of connecting seat is connected with the commentaries on classics head, and one side fixedly connected with connecting rod, the one end fixedly connected with handle of connecting rod is used for with higher speed the commentaries on classics head pivoted the unit mount with higher speed in the connecting seat, be favorable to increasing the rotational speed of turning.

Preferably, the connector include with rotation handle fixed connection's rotation outer loop, the inside rotation of rotating the outer loop is connected with one-way turning block, one-way turning block's bottom fixedly connected with connecting block, be connected with the mounting on the connecting block, be favorable to one-way rotation to turn round.

Preferably, the acceleration component comprises a large gear installed in the connecting seat and rotationally connected with the connecting seat, a small gear fixedly connected with the rotary head is meshed outside the large gear, and a connecting ring matched with the connecting block is fixedly connected with the top end of the large gear, so that the rotation of the rotary head is accelerated.

Preferably, the mounting is including fixing first spring in the connecting block, the top of first spring be connected with connecting block sliding connection's spliced pole, the top of spliced pole is rotated and is connected with the ball, set up in the spliced pole with the ball groove of ball looks adaptation is favorable to fixed rotation handle and connector.

Preferably, the rotating handle comprises an outer sleeve rod fixedly connected with the rotating outer ring, an inner sliding rod is connected in the outer sleeve rod in a sliding mode, and a rotating handle is fixedly connected to one end of the inner sliding rod, so that the force arm is increased.

Preferably, the one end fixedly connected with screw thread post of connecting rod, set up on the connecting seat with the thread groove of screw thread post looks adaptation, the connecting rod with the connecting seat passes through the screw thread post with thread groove fixed connection is favorable to dismantling the connecting rod, and then is favorable to accomodating and carrying.

Preferably, the outer sides of the rotating handle and the grip are provided with anti-skidding sleeves, so that the operation is facilitated.

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

the accelerating assembly is arranged, so that when the wrench is used, the large gear is driven to rotate when the rotating handle is rotated, the small gear is driven to rotate, the rotating head is driven to rotate, the small gear is driven to rotate for multiple circles when the large gear rotates for one circle, the rotating head can be driven to rotate in a large range when the rotating handle can only rotate in a small range due to narrow space, and the problem that the screw is twisted by a traditional wrench in a narrow space is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the rotating handle and the connecting head according to the present invention;

FIG. 3 is a schematic cross-sectional view of the connecting base of the present invention;

fig. 4 is a schematic diagram of the structure of the connecting head of the present invention.

In the figure: 1-turning a handle; 2-a connector; 3-a connecting seat; 4-turning the head; 5-a connecting rod; 6-a handle; 7-rotating the outer ring; 8-unidirectional turning block; 9-connecting blocks; 10-a fixing member; 11-an outer loop bar; 12-an inner slide bar; 13-rotating the handle; 14-an acceleration component; 15-pinion gear; 16-gearwheel; 17-a connecting ring; 18-a spring; 19-connecting column; 20-a ball bearing; 21-a ball groove; 22-threaded post; 23-thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, 2 and 4 to illustrate embodiment 1, a large-torque bolt loading and unloading wrench in a narrow space in a drawing comprises a rotating handle 1 and an accelerating assembly 14, wherein one end of the rotating handle 1 is fixedly connected with a connector 2, the bottom end of the connector 2 is connected with a connecting seat 3, the bottom end of the connecting seat 3 is connected with a rotating head 4, one side of the connecting seat 3 is fixedly connected with a connecting rod 5, one end of the connecting rod 5 is fixedly connected with a handle 6, and the accelerating assembly 14 for accelerating the rotation of the rotating head 4 is installed in the connecting seat 3;

referring to fig. 2 and 4, the connector 2 shown in the figure includes a rotating outer ring 7 fixedly connected to the rotating handle 1, a one-way rotating block 8 is rotatably connected to the inside of the rotating outer ring 7, a connecting block 9 is fixedly connected to the bottom end of the one-way rotating block 8, and a fixing member 10 is connected to the connecting block 9;

referring to fig. 1 and 3, the acceleration assembly 14 shown in the drawings comprises a large gear 16 installed in the connecting base 3 and rotatably connected with the connecting base 3, a small gear 15 fixedly connected with the rotor 4 is engaged at the outer side of the large gear 16, and a connecting ring 17 adapted to the connecting block 9 is fixedly connected to the top end of the large gear 16;

in the embodiment, when the wrench is used, the connector 2 is fixedly connected with the connecting seat 3 through the fixing piece 10, at the moment, the handle 1 is rotated by one hand, the handle 6 is held by the other hand, the unidirectional rotating block 8 is driven to rotate by rotating the handle 1, the large gear 16 is further driven to rotate, and the small gear 15 is further driven to rotate, when the large gear 16 rotates for one circle, the small gear 15 rotates for multiple circles, so that when the wrench is used in a narrow space, the small gear 15 can be driven to rotate for multiple circles through the rotating handle 1 in a small range, the rotating head 4 is driven to rotate for multiple circles, and screwing with a screw is facilitated;

in this embodiment, the rotating handle 1, the rotating outer ring 7 and the rotating block have similar structural functions to those of the socket wrench in the prior art.

Example 2

Referring to fig. 2 and the figure for explaining embodiment 2, which further explains embodiment 1, the fixing member 10 includes a first spring 18 fixed in the connecting block 9, a connecting column 19 connected to the top end of the first spring 18 in a sliding manner with the connecting block 9, balls 20 rotatably connected to the top end of the connecting column 19, and ball grooves 21 formed in the connecting ring 17 and adapted to the balls 20;

in this embodiment, during the insertion of the connection block 9 into the connection ring 17, the balls 20 will compress the spring 18, so that the insertion of the connection block 9 into the connection ring 17 is not affected, and when the connection block 9 is inserted into the connection ring 17, the movement of the connection block 9 is stopped, and the spring 18 will release the elastic force to push the balls 20 into the ball grooves 21, so that the connection block 9 is fixed with the connection block 3.

Example 3

Referring to fig. 1-3 for describing embodiment 3, the embodiment further describes embodiment 1, in the figure, the rotating handle 1 includes an outer sleeve 11 fixedly connected with the rotating outer ring 7, the outer sleeve 11 is slidably connected with an inner slide rod 12, one end of the inner slide rod 12 is fixedly connected with a rotating handle 13, one end of a connecting rod 5 is fixedly connected with a threaded post 22, the connecting seat 3 is provided with a threaded groove 23 matched with the threaded post 22, the connecting rod 5 and the connecting seat 3 are fixedly connected with the threaded groove 23 through the threaded post 22, and the outer sides of the rotating handle 13 and the handle 6 are both provided with anti-skid sleeves;

in this embodiment, through the mode that will rotate handle 1 and set up to the telescopic link, and then rotate 13 through the pulling and make to rotate 13 and keep away from rotating outer loop 7, consequently, be favorable to increasing the arm of force, consequently more laborsaving when twisting the screw, through the fixed mode who sets up to threaded connection between connecting rod 5 and the connecting seat 3, consequently, be favorable to dismantling connecting rod 5, and then portable and accomodate, be provided with the antiskid cover in handle 6 and the outside of rotating 13 simultaneously, consequently, be favorable to operating personnel's operation, and be favorable to protecting operating personnel's hand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Big moment of torsion bolt loading and unloading spanner in narrow and small space, its characterized in that includes:

the handle is rotated (1), one end of the rotating handle (1) is fixedly connected with a connector (2), the bottom end of the connector (2) is connected with a connecting seat (3), the bottom end of the connecting seat (3) is connected with a rotating head (4), one side of the connecting seat is fixedly connected with a connecting rod (5), and one end of the connecting rod (5) is fixedly connected with a handle (6);

the accelerating component (14) is used for accelerating the rotation of the rotating head (4), and the accelerating component (14) is arranged in the connecting seat (3).

2. The large torque bolt handling wrench in a confined space of claim 1 further comprising: connector (2) include with rotation handle (1) fixed connection's rotation outer ring (7), the inside rotation that rotates outer ring (7) is connected with one-way turning block (8), the bottom fixedly connected with connecting block (9) of one-way turning block (8), be connected with mounting (10) on connecting block (9).

3. The large torque bolt handling wrench in a confined space of claim 2 further comprising: the accelerating component (14) comprises a large gear (16) installed in the connecting seat (3) and connected with the connecting seat (3) in a rotating mode, a small gear (15) fixedly connected with the rotating head (4) is meshed outside the large gear (16), and a connecting ring (17) matched with the connecting block (9) is fixedly connected to the top end of the large gear (16).

4. The large torque bolt wrench as claimed in claim 3, wherein: the fixing piece (10) comprises a first spring (18) fixed in the connecting block (9), the top end of the first spring (18) is connected with a connecting column (19) in sliding connection with the connecting block (9), the top end of the connecting column (19) is rotatably connected with balls (20), and a ball groove (21) matched with the balls (20) is formed in the connecting ring (17).

5. The large torque bolt handling wrench in a confined space of claim 2 further comprising: the rotating handle (1) comprises an outer sleeve rod (11) fixedly connected with the rotating outer ring (7), an inner sliding rod (12) is connected in the outer sleeve rod (11) in a sliding mode, and a rotating handle (13) is fixedly connected to one end of the inner sliding rod (12).

6. The large torque bolt handling wrench in a confined space of claim 1 further comprising: one end of the connecting rod (5) is fixedly connected with a threaded column (22), a threaded groove (23) matched with the threaded column (22) is formed in the connecting seat (3), and the connecting rod (5) and the connecting seat (3) are fixedly connected with the threaded column (22) and the threaded groove (23).

7. The large torque bolt wrench as claimed in claim 5, wherein: the outer sides of the rotating handle (13) and the grip (6) are provided with anti-skidding sleeves.

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