Filling gun capable of preventing repeated filling

Abstract

The utility model provides a filling gun capable of preventing repeated filling, relates to the technical field of filling guns, and aims to solve the problems that when an existing filling gun is used, a traditional filling gun is not provided with a detection device, the situation of repeated filling occurs during filling, resources are wasted, and the situation of repeated filling cannot be avoided. A display device is arranged on the main body; a pressure gauge is mounted in the main body; the mounting pipe is fixedly mounted at the bottom of the body; the nozzle is fixedly connected with the main body; and the pressure sensor is fixedly mounted in the spray head and is connected with the main body. During filling, after the spray head is inserted into the filling equipment body, the pressure sensor can detect the pressure in the filling equipment body and transmit a signal to the main body, so that data are generated on the pressure gauge on the main body and displayed through the display device on the main body, and whether filling needs to be carried out or not can be judged by reading the data; therefore, the situation of repeated filling can be better avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of filling guns, and more specifically, particularly relates to a filling gun for preventing repeated filling. Background Art

[0002] The refrigerant filling machine is a key imported device, and the filling gun in the device is a customized component for vacuum filling automotive air-conditioning refrigerant. The structure of the traditional refrigerant filling gun mainly consists of three built-in pneumatic valves, a control air circuit, end face seals, etc.

[0003] Based on the prior art, it is found that when the existing filling gun is in use, there is no detection device on the traditional filling gun, resulting in repeated filling during filling, causing waste of resources and being unable to avoid the occurrence of repeated filling. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a filling gun for preventing repeated filling to solve the problem that when the existing filling gun is in use, there is no detection device on the traditional filling gun, resulting in repeated filling during filling, causing waste of resources and being unable to avoid the occurrence of repeated filling.

[0005] A filling gun for preventing repeated filling of the present utility model is achieved by the following specific technical means:

[0006] A filling gun for preventing repeated filling includes a detection part, an installation part, and a control part;

[0007] The detection part includes: a main body, on which a display device is provided, and a pressure gauge is installed inside the main body; the installation part is installed on the top of the detection part, and the installation part includes: an installation pipe, which is of a cylindrical structure, with cylindrical protrusions provided on both sides of the top of the installation pipe, a round hole is provided on the installation pipe, and the installation pipe is fixedly installed at the bottom of the main body; the control part is installed on the installation part.

[0008] Further, the detection part further includes:

[0009] A nozzle, which is of a cylindrical structure and is fixedly connected to the main body; a pressure sensor, which is fixedly installed inside the nozzle and is connected to the main body.

[0010] Further, the installation part further includes:

[0011] A handle, which is installed on the side of the installation pipe; an installation rod, which is of a cylindrical structure and is fixedly installed on the handle.

[0012] Further, the installation part further includes:

[0013] The handle is installed on the side of the installation pipe; the installation rod is of a cylindrical structure and is fixedly installed on the handle.

[0014] Furthermore, the control part further includes:

[0015] The plug-in is of a cylindrical structure, with a spherical protrusion provided on it. The plug-in is slidably installed inside the round hole on the installation pipe and is fixedly connected to the control part.

[0016] Compared with the prior art, the present utility model has the following beneficial effects:

[0017] 1. In this device, a main body and a pressure sensor are provided. Here, the main body is internally installed with a pressure gauge, and the pressure sensor is installed inside the nozzle. Then, when the device is filling, after the nozzle is inserted into the filling equipment body, the pressure sensor can detect the internal pressure and transmit the signal to the main body, and it is displayed through the display device on the main body. By reading the data, it can also be judged whether refilling is needed, thereby better avoiding the occurrence of repeated refilling. Description of the Drawings

[0018] Figure 1 is the front perspective structural schematic diagram of the present utility model.

[0019] Figure 2 is the bottom perspective structural schematic diagram of the present utility model.

[0020] Figure 3 is the sectional perspective structural schematic diagram of the installation pipe of the present utility model.

[0021] Figure 4 is the enlarged partial structural schematic diagram of part A led out from Figure 2 of the present utility model.

[0022] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0023] 1. Detection part; 101. Main body; 102. Nozzle; 103. Pressure sensor; 2. Installation part; 201. Installation pipe; 202. Handle; 203. Installation rod; 3. Control part; 301. Control part; 302. Plug-in. Specific Embodiments

[0024] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and embodiments.

[0025] Embodiment:

[0026] As shown in Figure 1 to Figure 4 shown:

[0027] The utility model provides a filling gun for preventing repeated filling, which includes a detection part 1, a mounting part 2, and a control part 3; the detection part 1 includes: a main body 101, on which a display device is provided, and a pressure gauge is installed inside the main body 101; the main body 101 here is used to be connected with a pressure sensor 103, and then the pressure inside the device to be filled is detected by the pressure sensor 103, so that data is generated on the pressure gauge and displayed through the display device on the main body 101, thereby the pressure inside the device can be detected, and further the occurrence of repeated filling can be prevented; the mounting part 2 is installed on the top of the detection part 1, and the mounting part 2 includes: a mounting pipe 201, which is of a cylindrical structure, with cylindrical protrusions on both sides of the top of the mounting pipe 201, and round holes are provided on the mounting pipe 201, and the mounting pipe 201 is fixedly installed at the bottom of the main body 101; the mounting pipe 201 here is used to convey gas; the control part 3 is installed on the mounting part 2.

[0028] Among them, as Figure 2 shown, the detection part 1 further includes: a nozzle 102, which is of a cylindrical structure and is fixedly connected to the main body 101; the nozzle 102 here is used to be inserted into the device to fill the device with gas; a pressure sensor 103, which is fixedly installed inside the nozzle 102 and is connected to the main body 101; the pressure sensor 103 here is used to be inserted into the device and detect the pressure inside the device, and through connection with the main body 101, and a pressure gauge is installed inside the main body 101, so that the pressure of the gas inside the device can be displayed through the display device on the main body 101, thereby preventing the occurrence of repeated filling, and the model of the pressure sensor 103 here is set as the PLD204D-26 pressure sensor 103.

[0029] Among them, as Figure 3 shown, the mounting part 2 further includes: a handle 202, which is installed on the side of the mounting pipe 201; the handle 202 here is used to fix the mounting rod 203; the mounting rod 203, which is of a cylindrical structure and is fixedly installed on the handle 202; the mounting rod 203 here is used to assist in fixing the control part 301.

[0030] Among them, as Figure 3As shown in the figure, the control unit 3 includes: a control member 301, the control member 301 is of a rectangular structure, there is a round hole on the control member 301, there is an arc-shaped protrusion on the control member 301, the control member 301 is slidably installed on the mounting rod 203, and the control member 301 is connected to the handle 202 through a spring, and the control member 301 is connected to the mounting pipe 201 through a spring; the control member 301 here is used to drive the plug 302 to move and compress the spring between the control member 301 and the mounting pipe 201 through extrusion, so as to fill the gas; a plug 302, the plug 302 is of a cylindrical structure, there is a spherical protrusion on the plug 302, the plug 302 is slidably installed inside the round hole on the mounting pipe 203, and the plug 302 is fixedly connected to the control member 301; the plug 302 here is used to be driven to move by the control member 301, so as to move inside the mounting pipe 201, so that the inside of the mounting pipe 201 can pass gas, and the gas can be filled into the equipment from the nozzle 102.

[0031] The specific usage mode and function of this embodiment:

[0032] In the present utility model, during filling, after the nozzle 102 is inserted into the filling equipment body, the pressure sensor 103 can detect the pressure inside it and transmit the signal to the main body 101. A pressure gauge is installed on the main body 101 and is displayed through the display device on the main body 101. By reading the data, it can be judged whether filling is required, so as to better avoid the occurrence of repeated filling. And by pressing the control member 301, the control member 301 moves on the mounting rod 203 and compresses the spring between the control member 301 and the handle 202, and at the same time drives the plug 302 to move and stretch the spring between the control member 301 and the mounting pipe 201, so that the gas is transported from the inside of the mounting pipe 201 and ejected through the nozzle 102, thus completing the filling of the equipment.

Claims

1. A filling gun for preventing repeated filling, characterized in that: It includes a detection unit (1), a mounting unit (2), and a control unit (3); The detection unit (1) includes: a main body (101) with a display device provided thereon, and a pressure gauge installed inside the main body (101); the mounting unit (2) is installed on the top of the detection unit (1), and the mounting unit (2) includes: a mounting pipe (201) which is of a cylindrical structure, with cylindrical protrusions provided on both sides of the top of the mounting pipe (201), a circular hole provided on the mounting pipe (201), and the mounting pipe (201) is fixedly installed at the bottom of the main body (101); the control unit (3) is installed on the mounting unit (2).

2. The filling gun for preventing repeated filling according to claim 1, characterized in that: The detection unit (1) further includes: A spray head (102) which is of a cylindrical structure and is fixedly connected to the main body (101); a pressure sensor (103) which is fixedly installed inside the spray head (102) and is connected to the main body (101).

3. A filling gun for preventing repeated filling according to claim 1, characterized in that: The mounting unit (2) further includes: A handle (202) installed on the side of the mounting pipe (201); a mounting rod (203) which is of a cylindrical structure and is fixedly installed on the handle (202).

4. A filling gun for preventing repeated filling according to claim 3, characterized in that: The control unit (3) includes: A control member (301) which is of a rectangular structure, with a circular hole provided thereon, an arc-shaped protrusion provided thereon, the control member (301) is slidably installed on the mounting rod (203), and the control member (301) is connected to the handle (202) through a spring, and the control member (301) is also connected to the mounting pipe (201) through a spring.

5. The filling gun for preventing repeated filling according to claim 4, wherein: The control unit (3) further includes: A plug-in (302) which is of a cylindrical structure, with a spherical protrusion provided thereon, the plug-in (302) is slidably installed inside the circular hole on the mounting pipe (201), and the plug-in (302) is fixedly connected to the control member (301).

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