Valve core detection tool

Abstract

The utility model discloses a valve core detection tool, which belongs to the technical field of automobile air conditioner pipes, and comprises a base, a controller is arranged in the base, a display screen is arranged on the surface of the base, and the display screen is connected with the controller; a clamping groove is formed in the lower end face of the base, a first pressure sensor is arranged at the bottom of the clamping groove, a second pressure sensor is installed on the side wall of the clamping groove, and the first pressure sensor and the second pressure sensor are both connected with the controller. And the first pressure sensor and the second pressure sensor are used for detecting the contact pressure with a valve core control structure in the valve seat to be detected. Whether the valve element installed in the valve seat is in an inclined state or not can be accurately judged through the arranged detection tool, that is, when the lower end of the base is partially inserted into the valve seat and the base cannot move downwards, if a display screen displays a pressure signal, it is indicated that the valve element is installed in a vertical state, and refrigerant filling can be conducted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile air conditioner pipe, specifically is a valve core detection frock. BACKGROUND

[0002] During the installation process of the automobile air conditioner pipe, a valve seat needs to be connected to the surface of the automobile air conditioner pipe, the valve seat is hollow inside and open at both ends, similar to a pipeline, one end of the valve seat is in communication with the automobile air conditioner pipe, and a valve core is installed in the valve seat in a sealing connection at the contact position, which is used to avoid leakage of refrigerant in the air conditioner pipe and facilitate filling of refrigerant from the outside into the air conditioner pipe. When the refrigerant pipe is connected to the valve seat, the telescopic rod on the valve core is compressed and moves, guiding the refrigerant pipe and the valve seat, so that the refrigerant is flushed into the air conditioner pipe. However, if the valve core is not installed in place or is tilted, etc., it is not conducive to the filling process of the refrigerant, so a frock is designed to determine whether the valve core is installed in place. SUMMARY

[0003] In order to solve the problems of the prior art, the utility model provides a valve core detection frock, which comprises:

[0004] A base is internally provided with a controller, and a display screen is arranged on the surface of the base and connected with the controller;

[0005] A clamping groove is arranged on the lower end surface of the base, a first pressure sensor is arranged on the groove bottom of the clamping groove, the first pressure sensor is connected with the controller, a second pressure sensor is installed on the side wall of the clamping groove, and the first pressure sensor and the second pressure sensor are both connected with the controller. The first pressure sensor and the second pressure sensor are used to detect the contact pressure of the valve core control structure in the valve seat to be detected.

[0006] The size of the lower end part of the base is smaller than the size of the valve seat, after the base is connected to the valve seat, the first pressure sensor in the clamping groove is in contact with the end part of the telescopic rod on the valve core in the valve seat, the second pressure sensor is in contact with the side wall of the telescopic rod, the first pressure sensor and the second pressure sensor simultaneously send pressure signals to the controller, and the controller displays the received pressure signals on the display screen. If the pressure value detected by the first pressure sensor and the pressure value detected by the second pressure sensor are both within the set pressure range, it indicates that the valve core is installed in place.

[0007] Further, the base comprises a cavity and an insertion block.

[0008] The controller is installed in the cavity, and a recess is arranged on the surface of the cavity for inlaying the display screen.

[0009] The bottom of the cavity is connected with one end of the insertion block.

[0010] The other end of the plug is provided with the clamping groove, and the size of the plug is smaller than the size of the valve seat.

[0011] Further, after the plug is connected with the valve seat, the bottom end surface of the cavity is in contact with the port surface of the valve seat.

[0012] Further, the second pressure sensor is provided with at least three, and is uniformly distributed on the side wall of the clamping groove.

[0013] Further, the inner wall of the valve seat is vertically provided with a sliding groove, and the outer wall of the corresponding plug is vertically provided with a protrusion.

[0014] The valve core detection tool has the advantages that:

[0015] The detection tool can accurately determine whether the valve core installed in the valve seat is in an inclined state, that is, when the lower end of the base is inserted into the valve seat and the base cannot be moved downward, if the display screen displays a pressure signal, it indicates that the valve core is installed in a vertical state, and the refrigerant can be filled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The valve core detection tool structure schematic view is provided for the utility model.

[0017] Fig. 2 The base structure schematic view is provided for the utility model.

[0018] Reference signs:

[0019] In the figure: 1 is a cavity, 2 is a plug, 3 is a display screen, 4 is a controller, 5 is a clamping groove, 6 is a valve seat, 7 is an air conditioner pipe, and 8 is a first pressure sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0021] Please refer to Figs. 1-2 The utility model provides a valve core detection tool, which comprises:

[0022] A base is internally provided with a controller 4, and the surface of the base is provided with a display screen 3, wherein the display screen 3 is connected with the controller 4.

[0023] The lower end surface of the base is provided with a clamping groove 5, the groove bottom of the clamping groove 5 is provided with a first pressure sensor 8, the sidewall of the clamping groove is provided with a second pressure sensor (not shown in the figure), the first pressure sensor and the second pressure sensor are connected with the controller, the first pressure sensor and the second pressure sensor are used for detecting the contact pressure of the valve core control structure in the valve seat to be detected, and the first pressure sensor and the second pressure sensor are connected with the controller 4.

[0024] The first pressure threshold and the second pressure threshold are set in the controller, if the pressure value detected by the first pressure sensor and the pressure value detected by the second pressure sensor are respectively within the first pressure threshold and the second pressure threshold, it indicates that the valve core is installed in place.

[0025] The lower end part of the base is smaller in size than the valve seat 6, after the base is connected with the valve seat 6, if the valve core is installed in place, the first pressure sensor 8 in the clamping groove 5 is in contact with the end of the telescopic rod on the valve core in the valve seat 6, the second pressure sensor is in contact with the side of the telescopic rod, at the same time, the controller 4 receives the pressure signals sent by the first pressure sensor 8 and the second pressure sensor, and displays the received pressure signals on the display screen 3; the second pressure sensor is provided with at least three and is uniformly distributed on the sidewall of the clamping groove.

[0026] The base comprises a cavity 1 and an insertion block 2.

[0027] The controller 4 is installed in the cavity 1, and a recess is arranged on the surface of the cavity 1 and used for inlaying the display screen 3.

[0028] The bottom of the cavity 1 is connected with one end of the insertion block 2.

[0029] The other end of the insertion block 2 is provided with the clamping groove 5, and the size of the insertion block 2 is smaller than that of the valve seat 6.

[0030] The inner wall of the valve seat 6 is vertically provided with a sliding groove at intervals, and the outer wall of the insertion block 2 is vertically provided with a protrusion in correspondence; the sliding groove and the protrusion are arranged to facilitate the insertion of the insertion block into the valve seat and to avoid the problem that the first pressure sensor is scratched after being in contact with the telescopic rod when the insertion block rotates.

[0031] After the insertion block 2 is connected with the valve seat 6, the bottom end surface of the cavity 1 is in contact with the port surface of the valve seat 6.

[0032] The application can judge whether the valve core in the valve seat is in a vertical state through the pressure signal on the display screen, and can also judge whether the bottom of the cavity is in contact with the top of the valve seat.

[0033] In addition, the structure of the valve core can be seen from the valve core structure installed at the tire inflation port. When the valve core is pressed, the valve core telescopic rod moves to connect the inside of the tire with the air pipe. The valve core of this application adopts the existing valve core structure and has not made any changes in the installation method and structure.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spool detection tool characterized by, The utility model relates to a valve seat testing device, including: The base is internally provided with a controller, and the surface of the base is provided with a display screen connected with the controller; A clamping groove is arranged on the lower end surface of the base, the groove bottom of the clamping groove is provided with a first pressure sensor, a second pressure sensor is installed on the side wall of the clamping groove, the first pressure sensor and the second pressure sensor are connected with the controller, the first pressure sensor and the second pressure sensor are used for detecting the contact pressure of the valve core control structure in the valve seat to be tested, and the first pressure sensor and the second pressure sensor are connected with the controller.

2. The valve trim inspection tool of claim 1, wherein, The base comprises a cavity and an insertion block. The controller is installed inside the cavity, and the surface of the cavity is provided with a recess for inlaying the display screen; The bottom of the cavity is connected with one end of the insertion block; The other end of the insertion block is provided with the clamping groove, and the size of the insertion block is less than the size of the valve seat.

3. The spool detection tool of claim 2, wherein, After the insertion block is connected with the valve seat, the bottom end surface of the cavity is in contact with the port surface of the valve seat.

4. The valve trim inspection tool of claim 1, wherein, The second pressure sensor is provided with at least three, and is uniformly distributed on the side wall of the clamping groove.

5. The spool detection tool of claim 2, wherein, The inner wall of the valve seat is vertically provided with a sliding groove at intervals, and the outer wall of the corresponding insertion block is vertically provided with a protrusion.

Images