WO2019128110A1

WO2019128110A1 - Limiting clamp plate wrench

Info

Publication number: WO2019128110A1
Application number: PCT/CN2018/089772
Authority: WO
Inventors: 代闯; 林红英
Original assignee: 肇庆中晶实业有限公司
Priority date: 2017-12-29
Filing date: 2018-06-04
Publication date: 2019-07-04
Also published as: CN207724201U

Abstract

Provided is a limiting clamp plate wrench, relating to the field of automobile tire pressure sensors. The limiting clamp plate wrench comprises a handle, wherein a limiting clamp plate is angularly disposed on a front end portion of the handle, an end portion of the limiting clamp plate is provided with a limiting groove, the end portion of the limiting clamp plate is provided with a limiting projection in the limiting groove in the lengthwise direction of the limiting clamp plate, and an end portion of the limiting projection is provided with a groove; and gaps are respectively provided between two inner lateral sides of the limiting groove and outer lateral sides of the limiting projection. An automobile sensor is dismounted and mounted by means of the cooperation between the limiting groove in the end portion of the limiting clamp plate and the limiting projection. When a built-in nut used for connecting the automobile sensor is fastened or dismounted, since the limiting clamp plate and the handle are angularly disposed, the limiting clamp plate can achieve the function of limited clamping, is convenient to operate, and avoids the dropping of the wrench when the built-in nut is fastened or dismounted.

Description

Limit card wrench

Technical field

The utility model belongs to the field of automobile tire pressure sensors, in particular to a limit card wrench.

Background technique

The tire pressure monitoring system is referred to as "TPMS" and is an abbreviation for "tire pressure monitoring system". This technology can automatically monitor the various conditions of the tire by recording the tire speed or the electronic sensor installed in the tire, which can provide effective safety for driving.

The existing tire pressure sensor is mostly connected with the valve core through the built-in nut. Due to the small volume of the structure and the troublesome removal and installation of the built-in nut, it is difficult to disassemble and install the tire pressure sensor.

Summary of the invention

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a limit card wrench, which solves the technical problem that the tire pressure sensor in the prior art is difficult to disassemble and install.

(2) Technical plan

To achieve the above objectives, the present invention is achieved by the following technical solutions:

A limit card wrench, comprising a handle, the front end of the handle is disposed at an angled limit card, and the end of the limit card plate is provided with a limit slot, and the end of the limit card is in the limit slot A limiting protrusion is disposed in a longitudinal direction of the limiting card plate, and an end of the limiting protrusion is provided with a groove; and two inner sides of the limiting groove are respectively provided with a gap with an outer side of the limiting protrusion.

Preferably, a handle plate is disposed on both sides of the handle.

Preferably, the hand gripper is disposed on an inner curved surface.

Preferably, the middle position of the handle is further provided with a hexagon socket position.

Preferably, the rear end position of the handle is further provided with a circular hole.

Preferably, the ratio of the height of the limiting protrusion to the height of the limiting groove is 1:2; the width of the limiting protrusion is 8.5 to 9 mm, and the two inner sides of the limiting groove and the limiting protrusion The gap on the outer side is 1.5 to 2.5 mm.

Preferably, the inscribed circle of the above-mentioned hexagonal hole position has a diameter of 13 to 14 mm.

Preferably, the angle between the handle and the limit card is 45 degrees to 90 degrees.

Preferably, the above-mentioned limit card wrench is an integrally formed structure.

(3) Beneficial effects

The utility model provides a limit card wrench, which has the following beneficial effects:

1. The limit card wrench of the utility model comprises a handle, and a limited position card is arranged at an angle of the front end of the handle, and the automobile sensor is disassembled by the matching of the limit groove and the limit protrusion of the end of the limit card plate. And the installation, when the built-in nut used when connecting the car sensor is tightened or disassembled, because the limit card board and the handle are angled, the limit card board can reach the limit and jam, which is convenient for operation and avoids The wrench is detached when the built-in nut is tightened or removed.

2. The limit card wrench of the utility model is provided with a hexagonal hole position in the middle of the handle, and the cover of the tire pressure sensor can be removed and fastened through the inner hexagon hole position. It is more convenient to implement two operations with one wrench.

3. The limit card wrench of the utility model is further provided with a round hole at the rear position of the handle, and the card wrench can be hung on the key ring through the round hole, which is convenient to carry and prevent loss.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below.

1 is a first perspective structural view of a limit card wrench according to an embodiment of the present invention;

2 is a second perspective structural view of a limit card wrench according to an embodiment of the present invention;

FIG. 3 is a partial enlarged view of a limit card of a limit card wrench according to an embodiment of the present invention.

Among them, the handle 1, the limit card 2, the limit groove 3, the limit protrusion 4, the hand baffle 5, the hexagonal hole position 6, the round hole 7.

Detailed ways

The embodiments of the present invention will be clearly and completely described in the following description of the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention. Rather than all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Based on the deficiencies of the prior art, the embodiment of the present invention provides a limit card wrench, comprising a handle 1 , the front end of the handle 1 is disposed at an angle to the limit card 2, and the end of the limit card 2 is set. In the limit slot 3, the end of the limiting card 2 is disposed in the limiting slot 3 along the length direction of the limiting card 2, and the end of the limiting protrusion 4 is provided with a groove; the inner side edges of the limiting groove 3 are respectively provided with a gap with the outer side of the limiting protrusion 4 .

In the specific implementation process, the handle 1 is held by the limiting slot 3 at the end of the limiting card 2 and the limiting protrusion 4 to fasten or disassemble the built-in nut used when the vehicle sensor is connected. The position card board 2 is disposed at an angle with the handle 1 , and the limit card board 2 can achieve the function of the limit jam, which is convenient for operation and avoids the falling off of the wrench when the built-in nut is tightened or disassembled.

In a specific implementation, the handle 1 is disposed on both sides of the handle 1 . By holding the baffle 5, the contact area between the hand and the handle 1 is increased, which is more labor-saving and convenient when tightening and disassembling, and the hand baffle 5 can also be provided to increase the comfort.

In a specific implementation, the grip baffle 5 is disposed on an inner curved surface. It is more reasonable to increase the comfort of the hand while saving more effort.

In a specific implementation, the middle position of the handle 1 is also provided with a hexagonal hole position 6.

In the specific implementation process, the cover of the tire pressure sensor can be disassembled and fastened through the hexagon socket position 6, thereby realizing two operations by one wrench, which is more convenient.

In a specific implementation, the rear end position of the handle 1 is further provided with a circular hole 7.

In the specific implementation process, the card wrench can be hung on the key ring through the round hole, which is convenient to carry and prevent loss.

In a specific implementation, the height ratio of the limiting protrusion 4 to the limiting groove 3 is 1:2; for example, the height of the limiting protrusion 4 may be 7 mm, and the height of the limiting groove 3 is 14 mm. The width of the limiting protrusion 4 is 8.5 to 9 mm, for example, 8.7 mm. The gap between the two inner sides of the limiting groove 3 and the outer side of the limiting protrusion 4 is 1.5 to 2.5 mm, for example, 2 mm.

In a specific implementation, the inscribed circle of the hexagonal hole 6 has a diameter of 13 to 14 mm. For example, it can be 13.5 mm.

In the specific implementation of the above specific control, the card wrench can realize automatic alignment, and the operation is more precise and convenient.

In a specific implementation, the handle 1 and the limit card 2 are bent at an angle of 45 degrees to 90 degrees. For example, it can be 90 degrees.

In a specific implementation, the limit card wrench in the above embodiment is an integrally formed structure.

The one-piece forming structure of the limit card wrench is more convenient and quicker, and the firmness can be ensured and the structure is simple.

In summary, the embodiment of the present invention has the following beneficial effects compared with the prior art:

1. The limit card wrench of the embodiment of the present invention comprises a handle, and a limited position card is arranged at an angle of the front end of the handle, and the sensor is matched by the limiting slot of the end of the limiting card board and the limiting protrusion. For disassembly and installation, when the built-in nut used for connecting the car sensor is tightened or disassembled, since the limit card board and the handle are angled, the limit card board can achieve the function of the limit jam, which is convenient for operation and avoids. The wrench is detached when the built-in nut is tightened or removed.

2. The limit card wrench of the embodiment of the present invention is further provided with a hexagonal hole position in the middle of the handle, and the cover of the tire pressure sensor can be removed and fastened through the inner hexagon hole position. It is more convenient to implement two operations with one wrench.

3. The limit card wrench of the embodiment of the present invention is further provided with a round hole at the rear position of the handle, and the card wrench can be hung on the key ring through the round hole for convenient carrying and preventing loss.

Claims

A limit card wrench is characterized in that it comprises a handle (1), and a front end portion of the handle (1) is angularly disposed with a limited position card plate (2), and the limit card plate (2) has limited end portions. a slot (3), the end of the limiting card (2) is provided with a finite protrusion (4) along the length direction of the limiting card (2) in the limiting slot (3), the limit The end of the protrusion (4) is provided with a groove; the two inner sides of the limiting groove (3) are respectively provided with a gap with the outer side of the limiting protrusion (4).
The limit card wrench according to claim 1, characterized in that the handle (1) is provided with a hand holding baffle (5) on both sides.
The limit card wrench according to claim 2, wherein the hand holding baffle (5) is disposed on an inner curved surface.
The limit card wrench according to claim 1, characterized in that the middle position of the handle (1) is further provided with a hexagonal hole position (6).
The limit card wrench according to claim 1, characterized in that the rear end position of the handle (1) is further provided with a circular hole (7).
The limit card wrench according to claim 1, wherein a height ratio of the limiting protrusion (4) to the limiting slot (3) is 1:2; the limiting protrusion ( 4) The width is 8.5 to 9 mm, and the gap between the inner side edges of the limiting groove (3) and the outer side of the limiting protrusion (4) is 1.5 to 2.5 mm.
The limit card wrench according to claim 4, wherein the inscribed circle of the hexagonal hole position (6) has a diameter of 13 to 14 mm.
The limit card wrench according to claim 1, wherein the handle (1) and the limit card (2) are bent at an angle of 45 to 90 degrees.
The limit card wrench according to any one of claims 1 to 8, wherein the limit card wrench is an integrally formed structure.