CN216543014U

CN216543014U - Preset torque wrench

Info

Publication number: CN216543014U
Application number: CN202123273380.0U
Authority: CN
Inventors: 季梦迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-17
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a preset torque wrench, which comprises a wrench head arranged at one end of a handle, wherein a round hole is formed in the center of the wrench head, a torque rotating head is concentrically arranged in the round hole, a sliding groove is formed in the inner wall of the round hole, an adjusting slide block is arranged in the middle of the sliding groove, an inner cavity is formed in the lower side of the sliding groove, an adjusting rotating shaft is arranged at the lower part of the inner cavity, one end of the adjusting rotating shaft extends out of the torque rotating head and is connected with a shifting button, a guide pillar is connected to the upper end of the adjusting rotating shaft, a push rod is sleeved at the upper end of the guide pillar, a spring abutting against the push rod is sleeved on the outer side of the guide pillar, the top of the push rod is embedded into an arc-shaped groove in the lower end of the adjusting slide block, and tooth surfaces are arranged on the upper side of the adjusting slide block and on the radial outer side of the torque rotating head. The utility model has simple structure, can quickly switch the rotation direction of the torque wrench, and can also quickly realize the disassembly and the installation of the torque rotating head.

Description

Preset torque wrench

Technical Field

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

Background

The preset torque wrench has a preset torque value and an audible device. When the torque-limiting device is used, a required upper limit of a torque value is set, when the applied torque reaches a set value, the wrench can make a sound of clamping a tower or bend a certain angle at the connection part of the wrench, and the obvious hand feeling vibration is accompanied, so that the situation that the torque-limiting device is fastened and no force is applied is provided, and the completion of work is prompted. After the acting force is relieved, all related parts of the wrench can be automatically reset. The rotation angle of the existing preset torque wrench cannot be switched and adjusted, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a preset torque wrench which is simple in structure, can quickly switch the rotation direction of the torque wrench, and can quickly realize the disassembly and the assembly of a torque rotating head.

In order to achieve the purpose, the utility model provides the following technical scheme: a preset torque wrench, comprising:

the first rod body is axially inserted into one end of the second rod body and is connected with the second rod body through a locking nut sleeve;

the wrench head is arranged at one end of the first rod body, a round hole is formed in the center of the wrench head, a torsion rotating head is concentrically installed in the round hole, a sliding groove is formed in the inner wall of the round hole, an adjusting slide block is arranged in the middle of the sliding groove, an inner cavity is formed in the lower side of the sliding groove, an adjusting rotating shaft is arranged on the lower portion of the inner cavity, one end of the adjusting rotating shaft extends out of the torsion rotating head and is connected with a shifting button, a guide pillar is connected to the upper end of the adjusting rotating shaft, a push rod is sleeved at the upper end of the guide pillar, a spring which is abutted against the push rod is sleeved on the outer side of the guide pillar, the top of the push rod is embedded into an arc-shaped groove in the lower end of the adjusting slide block, and tooth surfaces are arranged on the upper side of the adjusting slide block and on the radial outer side of the torsion rotating head.

Preferably, the sliding groove is arc-shaped, and the adjusting slide block is an arc-shaped slide block.

Preferably, the two ends of the arc-shaped groove at the lower end of the adjusting slide block are transited with the bottom surface of the adjusting slide block through arc surfaces.

Preferably, the top of the ejector rod is provided with a spherical surface.

Preferably, the center of the torsion rotating head is provided with a torsion shaft which axially extends out.

Preferably, the end face of the torque rotating head is provided with a snap ring connected with the round hole.

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

simple structure, the inside of spanner head is provided with can wobbling guide pillar, can drive the guide pillar through stirring of dialling the button and swing to can promote regulating slide to slide the left end or the right-hand member of sliding tray through the ejector pin, thereby realize regulating slide and the meshing of torsion swivel head equidirectional not, make torsion swivel head can unidirectional rotation, torsion swivel head can dismantle convenient to use when regulating slide is located the sliding tray middle part.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

fig. 2 is a sectional structural view of the torque rotator of the present invention.

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.

As shown in fig. 1-2, the present invention provides a preset torque wrench, comprising:

the first rod body 1 and the second rod body 6, the first rod body 1 is axially inserted into one end of the second rod body 6 and is connected through the locking nut sleeve 5, and the relative axial sliding and locking between the first rod body 1 and the second rod body 6 can be realized by rotating the locking nut sleeve 5, so that the length of a handle of the preset torque wrench can be adjusted, and the torque of the torque wrench can be adjusted.

The wrench head 2 of the preset torque wrench in this embodiment is disposed at one end of the first rod 1, a round hole is arranged at the center of the wrench head 2, a torsion rotating head 3 is concentrically arranged in the round hole, the inner wall of the round hole is provided with a sliding groove 21, the middle part of the sliding groove 21 is provided with an adjusting slide block 7, an inner cavity 22 is arranged at the lower side of the sliding groove 21, an adjusting rotating shaft 25 is arranged at the lower part of the inner cavity 22, one end of the adjusting rotating shaft 25 extends out of the outer side of the torsion rotating head 3 to be connected with the toggle button 4, the upper end of the adjusting rotating shaft 25 is connected with a guide post 24, the upper end of the guide post 24 is sleeved with a mandril 23, the outer side of the guide post 24 is sleeved with a spring 8 which is pressed against the mandril 23, the top of the mandril 23 is embedded into an arc-shaped groove at the lower end of the adjusting slide block 7, and the upper side of the adjusting slide block 7 and the radial outer side of the torsion rotating head 3 are both provided with tooth surfaces 32.

Adjusting block 7 and torsion rotate between the head 3 can realize the unidirectional rotation that torsion rotated head 3 through flank of tooth 32 intermeshing, can drive guide pillar 24 through stirring of dialling button 4 and swing, thereby can promote adjusting block 7 through ejector pin 23 and slide to the left end or the right-hand member of sliding tray 21, thereby realize adjusting block 7 and the not equidirectional meshing of torsion rotation head 3, make torsion rotate head 3 can unidirectional rotation, torsion rotation head 3 can dismantle when adjusting block 7 is located sliding tray 21 middle part, high durability and convenient use.

In this embodiment, sliding tray 21 be the arc, adjusting slide 7 be the arc slider, simultaneously, the arc recess's of adjusting slide 7 lower extreme both ends and adjusting slide 7 bottom surface between pass through the arc surface and pass through, ejector pin 23's top be provided with the sphere.

The center of the torque rotating head 3 is provided with a torque shaft 31 which extends axially, and the end surface of the torque rotating head 3 is provided with a snap ring connected with a round hole.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A preset torque wrench, comprising:

the device comprises a first rod body (1) and a second rod body (6), wherein the first rod body (1) is axially inserted into one end of the second rod body (6) and is connected with the second rod body through a locking nut sleeve (5);

the wrench head (2) is arranged at one end of the first rod body (1), a round hole is formed in the center of the wrench head (2), a torsion rotating head (3) is concentrically arranged in the round hole, a sliding groove (21) is formed in the inner wall of the round hole, an adjusting slide block (7) is arranged in the middle of the sliding groove (21), an inner cavity (22) is formed in the lower side of the sliding groove (21), an adjusting rotating shaft (25) is arranged at the lower portion of the inner cavity (22), one end of the adjusting rotating shaft (25) extends out of the torsion rotating head (3) and is connected with a shifting button (4), a guide pillar (24) is connected to the upper end of the adjusting rotating shaft (25), a push rod (23) is sleeved at the upper end of the guide pillar (24), a spring (8) abutting against the push rod (23) is sleeved at the outer side of the guide pillar (24), and the top of the push rod (23) is embedded into an arc-shaped groove at the lower end of the adjusting slide block (7), tooth surfaces (32) are arranged on the upper side of the adjusting slide block (7) and the radial outer side of the torsion rotating head (3).

2. The preset torque wrench as claimed in claim 1, wherein: the sliding groove (21) is arc-shaped, and the adjusting slide block (7) is arc-shaped.

3. The preset torque wrench as claimed in claim 1, wherein: the two ends of the arc-shaped groove at the lower end of the adjusting slide block (7) are transited with the bottom surface of the adjusting slide block (7) through arc surfaces.

4. The preset torque wrench as claimed in claim 1, wherein: the top of the ejector rod (23) is provided with a spherical surface.

5. The preset torque wrench as claimed in claim 1, wherein: the center of the torsion rotating head (3) is provided with a torsion shaft (31) which extends out in the axial direction.

6. The preset torque wrench as claimed in claim 1, wherein: the end face of the torque rotating head (3) is provided with a snap ring connected with the round hole.