CN218285313U

CN218285313U - Torque wrench with high torque strength

Info

Publication number: CN218285313U
Application number: CN202222978085.3U
Authority: CN
Inventors: 高阳明; 全柔纲; 韩子朝
Original assignee: North Future Inspection And Testing Shandong Co ltd
Current assignee: North Future Inspection And Testing Shandong Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-01-13
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of torque wrenches, and discloses a torque wrench with high torque strength, which comprises a shell, wherein a trigger mechanism is arranged in the shell, and a torque adjusting mechanism is arranged below the shell; the torque adjusting mechanism is installed below the shell, a bottom handle is installed below the shell, a push rod is fixedly installed on the bottom surface inside the bottom handle, a limiting ring is fixedly installed on the side surface of the upper end of the push rod, a high-strength torque spring is installed on the top surface of the limiting ring in a pressing contact mode, a connecting block is installed on the top surface of the high-strength torque spring, the bottom surface of the connecting block is connected with the high-strength torque spring in a pressing contact mode, and an upper ejector pin is installed on the bottom surface of the connecting block. The aim of increasing the torque of the device can be achieved by installing a high-strength torque spring; the purpose of adjusting the set torque of the device can be achieved by installing a torque adjusting mechanism; the trigger mechanism is arranged to enable the device to trigger the torque reaching prompt.

Description

Torque wrench with high torque strength

Technical Field

The utility model relates to a torque wrench technical field specifically is a torque wrench that moment of torsion intensity is high.

Background

Torque wrenches, also called torque wrenches, torque wrenches or torque wrenches, are one type of wrench, and generally classified into electric torque wrenches and manual torque wrenches. The torque is the product of force and distance, and the torque applied needs to be controlled when fastening threaded fasteners such as screws, bolts, nuts and the like so as to ensure the threaded fastening and prevent the threads from being damaged due to overlarge torque, so that the torque wrench is used for operation. Firstly, a required upper limit of torque value is set, when the applied torque reaches a set value, the wrench can make a 'click' sound or the wrench joint is bent a little bit, which represents that the tightening is not applied any more. The Chinese patent network discloses a torque wrench with the publication number of CN201552515U and a torque handle; the torque cover plate is connected with the front end of the torque handle; a rotating shaft of the torque ratchet wheel is embedded in the through hole of the torque cover plate, and a sleeve matched with the screw is arranged in the rotating shaft; one end of the torque elastic block is pivoted with the torque cover plate through a pivoting shaft, and the pivoting shaft is parallel to the rotating shaft; and one end of the spring is fixedly connected with the torque cover plate or the torque handle, the other end of the spring is connected with the other end of the torque elastic block, and the other end of the torque elastic block is elastically extruded. The utility model discloses a torque wrench, when fastening or dismantling the screw, need not to block torque wrench repeatedly on the screw, can prevent the phenomenon that torque wrench breaks away from the hand, improve work efficiency. Although the device is provided with a torque adjusting mechanism, the device has small torque intensity and is difficult to adapt. Therefore, we propose a torque wrench with high torque strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a torque wrench that moment of torsion intensity is high to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a torque wrench with high torque strength comprises a shell, wherein a trigger mechanism is arranged in the shell, and a torque adjusting mechanism is arranged below the shell;

the improved spring support is characterized in that a torque adjusting mechanism is installed below the shell, a bottom handle is installed below the shell, a top rod is fixedly installed on the bottom surface inside the bottom handle, a limiting ring is fixedly installed on the side surface of the upper end of the top rod, a high-strength torque spring is installed on the top surface of the limiting ring in an extrusion contact mode, a connecting block is installed on the top surface of the high-strength torque spring, the bottom surface of the connecting block is connected with the high-strength torque spring in an extrusion contact mode, an upper ejector pin is installed on the bottom surface of the connecting block, the top surface of the upper ejector pin is fixedly connected with the bottom surface of the connecting block, and a spring shell is fixedly sleeved outside the high-strength torque spring.

Preferably, shell internally mounted has trigger mechanism, shell internally mounted has the ratchet, the inside fixed logical groove of having seted up of ratchet, the fixed hexagon that has seted up in shell side leads to the groove, and two lead to groove correspond each other, and the fixed external member of easy to assemble more closes the peripheral hardware of looks adaptation.

Preferably, the tooth surface of the ratchet wheel is correspondingly engaged with a ratchet wheel clamping block, and a clamping block spring is vertically and fixedly arranged at the end, close to the shell, of the ratchet wheel clamping block, so that the clamping block spring can automatically reset.

Preferably, the number of the fixture block springs is four, the fixture block springs are respectively installed on the side faces of the two ratchet fixture blocks, the top faces of the ratchet fixture blocks are fixedly provided with direction adjusting rods, the direction adjusting rods penetrate through the top face of the shell and extend to the outside of the shell, and the clamping direction of the ratchet fixture blocks can be adjusted outside the shell.

Preferably, the replaceable sleeve piece is slidably mounted on the inner wall of the through groove of the shell, so that the applicability of the equipment is improved.

Preferably, a torque connecting rod is fixedly mounted on the bottom surface of the ratchet clamping block, a trigger block is mounted on the bottom surface of the torque connecting rod in an extrusion contact manner, and the bottom surface of the trigger block is connected with the top surface of the connecting block in an extrusion contact manner.

Preferably, shell bottom surface fixed mounting has moment of torsion connecting rod shell, moment of torsion connecting rod shell slidable mounting has last connecting rod shell, spring shell side fixed mounting has the numerical value that moment of torsion numerical value can audio-visually observe the moment of torsion to be favorable to the operation.

Compared with the prior art, the beneficial effects of the utility model are that: the torque wrench with high torque strength can achieve the purpose of increasing the torque of the device by installing the high-strength torque spring; the purpose of adjusting the set torque of the device can be achieved by installing a torque adjusting mechanism; the trigger mechanism can be arranged to trigger the torque arrival prompt.

Drawings

FIG. 1 is a perspective view of the whole back of the utility model;

FIG. 2 is an overall sectional view of the present invention;

FIG. 3 is a front perspective view of the utility model;

fig. 4 is an enlarged view of the area a in fig. 2 according to the present invention.

In the figure: the device comprises a shell 1, a rear cover 2, a torque adjusting mechanism 3, a bottom handle 301, a top rod 302, a limiting ring 303, a high-light torque spring 304, a spring shell 305, a connecting block 306, an upper thimble 307, a trigger mechanism 4, a ratchet 401, a through groove 402, a ratchet clamping block 404, a clamping block spring 405, a direction adjusting rod 406, a torque connecting rod 407, a trigger block 408, a torque connecting rod shell 409, a replaceable sleeve piece 5, an upper connecting rod shell 6 and a torque value 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a torque wrench with high torque strength comprises a shell 1, a trigger mechanism 4 is arranged in the shell, and a torque adjusting mechanism 3 is arranged below the shell 1; a torque adjusting mechanism 3 is arranged below the shell 1, a bottom handle 301 is arranged below the shell 1, a top rod 302 is fixedly arranged on the bottom surface inside the bottom handle 301, a limiting ring 303 is fixedly arranged on the side surface of the upper end of the top rod 302, and the top of the limiting ring 303 can achieve the purpose of adjusting the set torque of the device by arranging the torque adjusting mechanism 3; the high-strength torque spring 304 is installed in surface extrusion contact, and the purpose of high torque of the device can be achieved by installing the high-strength torque spring 304; the top surface of a high-strength torque spring 304 is provided with a connecting block 306, the bottom surface of the connecting block 306 is connected with the high-strength torque spring 304 in a pressing contact manner, the bottom surface of the connecting block 306 is provided with an upper thimble 307, the top surface of the upper thimble 307 is fixedly connected with the bottom surface of the connecting block 306, a spring shell 305 is fixedly sleeved outside the high-strength torque spring 304, a trigger mechanism 4 is arranged inside a shell 1, the device can trigger torque to reach the prompt shell 1 by installing the trigger mechanism 4, a ratchet 401 is arranged inside the ratchet 401, a through groove 402 is fixedly arranged inside the ratchet 401, a hexagonal through groove is fixedly arranged on the side surface of the shell 1, the two through grooves correspond to each other, the tooth surfaces of the ratchet 401 are correspondingly engaged with a ratchet clamping block 404, the ratchet clamping block 404 is provided with four clamping block springs 405 which are vertically and fixedly mounted at the end close to the shell 1, the number of the clamping block springs 405 is four, the four clamping block springs are respectively mounted at the side surfaces of the two ratchet clamping blocks 404, the top surface of the ratchet clamping block 404 is fixedly provided with a direction adjusting rod 406, the direction adjusting rod 406 penetrates through the top surface of the shell 1 and extends to the outside of the shell 1, the inner wall of the through groove of the shell 1 is slidably provided with a replaceable external member 5, the bottom surface of the ratchet clamping block 404 is fixedly provided with a torque connecting rod 407, the bottom surface of the torque connecting rod 407 is provided with a trigger block 408 in an extrusion contact manner, the bottom surface of the trigger block 408 is connected with the top surface of the connecting block 306 in an extrusion contact manner, the bottom surface of the shell 1 is fixedly provided with a torque connecting rod shell 409, the torque connecting rod shell 409 is slidably provided with an upper connecting rod shell 6, and the side surface of the spring shell 305 is fixedly provided with a torque value 7.

When the replaceable sleeve piece 5 is changed to a proper size when the torque is adjusted, the replaceable sleeve piece 5 is sleeved on the nut, the direction adjusting rod 406 is adjusted to rotate to a correct position, the handle is gripped to rotate to drive the ratchet 401 to rotate, the ratchet clamping block 404 is further driven to move, the spring fixedly mounted on the side surface of the ratchet clamping block 404 can enable the ratchet clamping block 404 to move correctly in the position, and when the torque reaches, the trigger block 408 connected between the torque connecting rod 407 and the connecting block 306 in a pressing contact manner is triggered to complete torque trigger prompt.

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

Claims

1. A torque wrench that torque intensity is high, includes shell (1), its characterized in that: a trigger mechanism (4) is installed in the shell, and a torque adjusting mechanism (3) is installed below the shell (1);

the utility model discloses a high-strength torque spring, including shell (1), torque adjusting mechanism (3) is installed to shell (1) below, install end handle (301) below shell (1), the inside bottom surface fixed mounting of end handle (301) has ejector pin (302), ejector pin (302) upper end side fixed mounting has restriction ring (303), restriction ring (303) top surface extrusion contact installs high-strength torque spring (304), connecting block (306) are installed to high-strength torque spring (304) top surface, connecting block (306) bottom surface is connected with high-strength torque spring (304) extrusion contact, thimble (307) are installed to connecting block (306) bottom surface, go up thimble (307) top surface and connecting block (306) bottom surface fixed connection, the fixed cover in high-strength torque spring (304) outside is equipped with spring shell (305).

2. The torque wrench of claim 1, wherein: the utility model discloses a ratchet, including shell (1), trigger mechanism (4) internally mounted, shell (1) internally mounted has ratchet (401), logical groove (402) have been seted up to ratchet (401) inside fixed, shell (1) side is fixed and has been seted up the hexagon and lead to the groove, and two lead to the groove and correspond each other.

3. The torque wrench of claim 2, wherein: the tooth surface of the ratchet wheel (401) is correspondingly engaged with a ratchet wheel clamping block (404), and a clamping block spring (405) is fixedly arranged at the end, close to the shell (1), of the ratchet wheel clamping block (404) in an up-and-down mode.

4. A torque wrench as claimed in claim 3, wherein said torque wrench is further characterized by: the number of the fixture block springs (405) is four, the four fixture block springs are respectively mounted on the side faces of the two ratchet fixture blocks (404), a direction adjusting rod (406) is fixedly mounted on the top face of each ratchet fixture block (404), and the direction adjusting rod (406) penetrates through the top face of the shell (1) and extends to the outside of the shell (1).

5. The torque wrench of claim 1, wherein: the inner wall of the through groove of the shell (1) is provided with a replaceable sleeve piece (5) in a sliding manner.

6. A torque wrench as claimed in claim 3, wherein said torque wrench is further characterized by: the bottom surface of the ratchet clamping block (404) is fixedly provided with a torque connecting rod (407), the bottom surface of the torque connecting rod (407) is provided with a trigger block (408) in an extrusion contact manner, and the bottom surface of the trigger block (408) is connected with the top surface of the connecting block (306) in an extrusion contact manner.

7. The torque wrench with high torque strength as claimed in claim 1, wherein: the utility model discloses a torque connecting rod, including shell (1), torque connecting rod shell (409), spring shell (305) side fixed mounting has moment of torsion numerical value (7), torque connecting rod shell (409) slidable mounting has last connecting rod shell (6).