CN219275707U

CN219275707U - Spanner with limiter

Info

Publication number: CN219275707U
Application number: CN202320259825.XU
Authority: CN
Inventors: 管邦淋
Original assignee: Nantong Difu Tool Technology Co ltd
Current assignee: Nantong Difu Tool Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-30
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a spanner with a limiter, which comprises a connecting rod, wherein one end of the connecting rod is fixedly connected with a spanner head, one side of the spanner head is provided with a hexagonal hole, the other side of the spanner head is fixedly connected with a limiting cylinder, one side of the spanner head connected with the limiting cylinder is provided with a through hole communicated with the limiting cylinder, a screw rod rotates and drives a limiting block to move towards the spanner head until the limiting block abuts against the outer wall of a nut, so that the nut is limited by the limiting block, the spanner is prevented from being separated from the nut, and the spacing between the limiting block and the spanner head is adjustable.

Description

Spanner with limiter

Technical Field

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

Background

A wrench is a commonly used installation and removal tool, and is a hand tool that uses the principle of leverage to turn bolts, screws, nuts, and other threads to tighten the openings or trepanning fasteners of the bolts or nuts. The wrench is usually made of carbon or alloy structural steel, and is usually provided with an opening or a trepanning for clamping a bolt or a nut at one or both ends of a handle part, and when in use, an external force is applied to the handle part along the rotation direction of threads so as to screw the bolt or the nut;

chinese patent (patent number: CN202934502U, disclose a simple wrench with limit), the wrench has simple structure, simple manufacturing process and low cost, and can be punched by a steel plate material through a die to have limit, when the wrench is screwed to rotate an outer hexagonal bolt, the head of the bolt is limited at a proper upper and lower movable position, thereby being beneficial to applying force and preventing the bolt from sliding off during force application.

The above-mentioned patent is although can carry out spacingly to the bolt head, but its spacing tongue is fixed structure, can not adjust according to the size specification of nut, leads to the spanner to the unable complete joint of partial nut, influences the dismouting work, and on the other hand the length of this spanner main part can not be adjusted according to the in-service use demand, and the practicality is not strong.

Disclosure of Invention

The utility model aims to provide a spanner with a limiter, which has the characteristics of convenience in limiting nuts, capability of being adjusted according to different nut sizes, convenience in use, strong applicability, flexibility in adjusting the length and strong practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take spanner of stopper, includes the connecting rod, the one end fixedly connected with spanner head of connecting rod, hexagonal hole has been seted up to one side of spanner head, the opposite side fixedly connected with spacing section of thick bamboo of spanner head, the through-hole with spacing section of thick bamboo intercommunication has been seted up to one side of spacing section of thick bamboo of spanner head connection, threaded connection has the screw rod is run through at the top of spacing section of thick bamboo, the bottom fixedly connected with stopper of screw rod, hollow structure's handle and solid fixed ring have been cup jointed to the outer wall of connecting rod, handle and solid fixed ring structure as an organic whole, gu the outer wall swing joint of solid fixed ring has the movable rod that two symmetries set up, two equal fixedly connected with spacing ring of outer wall of movable rod, two all cup joint head spring between spacing ring and the inner wall of solid fixed ring, a plurality of evenly distributed's jack has been seted up to the outer wall of connecting rod.

In order to facilitate rotating the screw rod and pulling the movable rod, the wrench with the limiter is preferable in the utility model, one end of the screw rod, which is far away from the limiting block, is fixedly connected with a knob, and the other ends of the two movable rods are fixedly connected with handles.

In order to avoid slipping of the hand, as a spanner with a limiter, preferably, one end of the handle far away from the fixed ring is fixedly connected with an end plate.

In order to improve the anti-slip effect, the outer wall of the handle is preferably provided with a plurality of evenly distributed anti-slip edges as a spanner with a limiter.

In order to facilitate the observation of the position of the limiting block, the wrench with the limiting block is preferable in the utility model, and the outer wall of the limiting cylinder is provided with an observation hole.

In order to facilitate the limiting block to extend into the hexagonal hole, the wrench with the limiting block is preferably cylindrical in structure and smaller than the through hole in diameter.

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

when the wrench is used, the hexagonal hole is sleeved on the outer wall of the nut to be disassembled and assembled, the knob is screwed to drive the screw to rotate, and the screw is rotated to drive the limiting block to move towards the wrench head until the limiting block is abutted with the outer wall of the nut, so that the nut is limited by the limiting block, the wrench is prevented from being separated from the nut, and the spacing between the limiting block and the wrench head is adjustable, so that the wrench can be adjusted according to different nut sizes and specifications, and the wrench is more convenient to use and strong in applicability;

when the whole length of spanner needs to be adjusted, two handles are pulled outwards, the handle drives the movable rod to outwards move, thereby make the movable rod pull out from the jack of joint inside, it is spacing to remove the joint, the connecting rod can freely stretch out and draw back the activity in the inside of handle this moment, thereby be convenient for adjust length as required, loosen two handles after adjusting, owing to be provided with the spring between spacing ring and the solid fixed ring inner wall, utilize spring resilience force to make two movable rods all reset, peg graft to inside apart from nearest jack again, lock the connecting rod again, the fixed position, follow-up bolt dismouting work of being convenient for, and convenient to use can flexibly adjust length, the practicality is strong.

Drawings

FIG. 1 is a front elevational view in cross-section of the entire construction of the present utility model;

FIG. 2 is a diagram of the overall bottom view of the present utility model;

FIG. 3 is a partial cross-sectional block diagram of the present utility model;

FIG. 4 is a front view of the overall exterior structure of the present utility model;

in the figure: 1. a connecting rod; 2. a spanner head; 3. hexagonal holes; 4. a limiting cylinder; 5. a through hole; 6. a screw; 7. a limiting block; 8. a handle; 9. a fixing ring; 10. a movable rod; 11. a limiting ring; 12. a spring; 13. a jack; 14. a knob; 15. a handle; 16. an end plate; 17. an anti-slip ridge; 18. and (5) observing the hole.

Detailed Description

Referring to fig. 1 to 4, a wrench with a limiter comprises a connecting rod 1, wherein one end of the connecting rod 1 is fixedly connected with a wrench head 2, one side of the wrench head 2 is provided with a hexagonal hole 3, the other side of the wrench head 2 is fixedly connected with a limiting cylinder 4, one side of the wrench head 2, which is connected with the limiting cylinder 4, is provided with a through hole 5 communicated with the limiting cylinder 4, the top of the limiting cylinder 4 is connected with a screw 6 through threads, the bottom end of the screw 6 is fixedly connected with a limiting block 7, the outer wall of the connecting rod 1 is sleeved with a handle 8 and a fixing ring 9 which are of a hollow structure, the handle 8 and the fixing ring 9 are of an integrated structure, the outer wall of the fixing ring 9 is movably connected with two symmetrically arranged movable rods 10, the outer walls of the two movable rods 10 are fixedly connected with limiting rings 11, joint springs 12 are sleeved between the inner walls of the two limiting rings 11 and the fixing ring 9, and a plurality of evenly distributed jacks 13 are formed in the outer wall of the connecting rod 1.

In this embodiment: when the wrench is used, the hexagonal hole 3 is sleeved on the outer wall of the nut to be disassembled and assembled, the knob 14 is screwed to drive the screw rod 6 to rotate at the moment, the screw rod 6 drives the limiting block 7 to move towards the wrench head 2 until the limiting block 7 is abutted with the outer wall of the nut, so that the nut is limited by the limiting block 7, the wrench is prevented from being separated from the nut, and the spacing between the limiting block 7 and the wrench head 2 is adjustable, so that the wrench can be adjusted according to different nut sizes, and the wrench is more convenient to use and has strong applicability;

when the whole length of the spanner needs to be adjusted, the two handles 15 are pulled outwards, the handles 15 drive the movable rod 10 to move outwards, so that the movable rod 10 is pulled out from the jack 13 of the clamping connection, the clamping connection limit is released, the connecting rod 1 can freely stretch out and draw back in the handle 8, the length is adjusted conveniently according to the needs, the two handles 15 are loosened after the adjustment is finished, due to the fact that the springs 12 are arranged between the limiting rings 11 and the inner wall of the fixed ring 9, the two movable rods 10 are reset by the aid of the resilience force of the springs 12 and are plugged into the jack 13 closest to each other again, the connecting rod 1 is locked again, the position is fixed, the subsequent bolt dismounting work is facilitated, the use is convenient, the length can be adjusted flexibly, and the practicability is high.

As a technical optimization scheme of the utility model, one end of the screw rod 6 far away from the limiting block 7 is fixedly connected with a knob 14, and the other ends of the two movable rods 10 are fixedly connected with a handle 15.

In this embodiment: the screw rod 6 is conveniently driven to rotate through the knob 14, the position of the limiting block 7 is conveniently adjusted, and the movable rod 10 is conveniently driven to move through the handle 15.

As a technical optimization scheme of the utility model, one end of the handle 8 far away from the fixed ring 9 is fixedly connected with an end plate 16.

In this embodiment: through setting up end plate 16, carry out spacingly to handle 8 tail end to avoid the user's hand slippage, improve the security and be favorable to bolt dismouting work.

As a technical optimization of the utility model, the outer wall of the handle 8 is provided with a plurality of evenly distributed anti-slip ribs 17.

In this embodiment: through setting up a plurality of anti-skidding arriss 17, effectively improve handle 8 outer wall frictional force, further improve handle 8 antiskid nature.

As a technical optimization scheme of the utility model, an observation hole 18 is formed in the outer wall of the limiting cylinder 4.

In this embodiment: the outer wall of the limiting cylinder 4 is provided with an observation hole 18, and the position of the limiting block 7 can be intuitively observed through the observation hole 18.

As a technical optimization scheme of the utility model, the limiting block 7 is of a cylindrical structure and the diameter of the limiting block is smaller than that of the through hole 5.

In this embodiment: the stopper 7 has a cylindrical structure and a diameter smaller than that of the through hole 5, so that the stopper 7 can be extended to the inside of the wrench head 2 through the through hole 5.

Working principle: when the wrench is used, the hexagonal hole 3 is sleeved on the outer wall of the nut to be disassembled and assembled, the knob 14 is screwed to drive the screw rod 6 to rotate at the moment, the screw rod 6 drives the limiting block 7 to move towards the wrench head 2 until the limiting block 7 is abutted with the outer wall of the nut, so that the nut is limited by the limiting block 7, the wrench is prevented from being separated from the nut, and the spacing between the limiting block 7 and the wrench head 2 is adjustable, so that the wrench can be adjusted according to different nut sizes, and the wrench is more convenient to use and has strong applicability;

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a take spanner of stopper, includes connecting rod (1), its characterized in that: one end of the connecting rod (1) is fixedly connected with a wrench head (2), one side of the wrench head (2) is provided with a hexagonal hole (3), the other side of the wrench head (2) is fixedly connected with a limiting cylinder (4), one side of the wrench head (2) connected with the limiting cylinder (4) is provided with a through hole (5) communicated with the limiting cylinder (4), the top of the limiting cylinder (4) is connected with a screw (6) in a penetrating threaded manner, and the bottom of the screw (6) is fixedly connected with a limiting block (7);

the utility model discloses a handle, handle (8) and solid fixed ring (9) that hollow structure was cup jointed to the outer wall of connecting rod (1), handle (8) and solid fixed ring (9) are integral type structure, the outer wall swing joint of solid fixed ring (9) has two movable rods (10) that the symmetry set up, two the equal fixedly connected with spacing ring (11) of outer wall of movable rod (10), two all cup joint spring (12) between the inner wall of spacing ring (11) and solid fixed ring (9), a plurality of evenly distributed jack (13) have been seted up to the outer wall of connecting rod (1).

2. The wrench with limiter according to claim 1, wherein: one end of the screw rod (6) far away from the limiting block (7) is fixedly connected with a knob (14), and the other ends of the two movable rods (10) are fixedly connected with handles (15).

3. The wrench with limiter according to claim 1, wherein: an end plate (16) is fixedly connected to one end, far away from the fixed ring (9), of the handle (8).

4. The wrench with limiter according to claim 1, wherein: the outer wall of the handle (8) is provided with a plurality of evenly distributed anti-slip ribs (17).

5. The wrench with limiter according to claim 1, wherein: an observation hole (18) is formed in the outer wall of the limiting cylinder (4).

6. The wrench with limiter according to claim 1, wherein: the limiting block (7) is of a cylindrical structure, and the diameter of the limiting block is smaller than that of the through hole (5).