Wax thermo-sensitive valve airtightness detection device

Abstract

The utility model discloses a wax thermo-sensitive valve air tightness detection device, which comprises a pressure regulating valve and a wax thermo-sensitive valve, one end of the pressure regulating valve is communicated with a clamping solenoid valve through a pipeline, the outlet end of the pressure regulating valve is communicated with an air inlet solenoid valve through a pipeline, and the inlet end of the pressure regulating valve is communicated with an external compressed air source. An inlet P and an outlet T are formed in one side of the wax thermo-sensitive valve, a sliding groove is formed in the inner wall of the wax thermo-sensitive valve, a spring is arranged in the sliding groove, an ejector pin is arranged at one end of the spring in a sleeved mode, the tip of the ejector pin is matched with an opening screw plug so as to achieve the function of controlling the flow, the sliding groove is outwards communicated with the outlet T, and the outlet T is arranged in the sliding groove. One end of the outlet T is in through connection with a gas storage tank, the top of the gas storage tank is in through connection with a pressure switch through a pipeline, and the top of the gas storage tank is further in through connection with an exhaust electromagnetic valve through a pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to waxiness thermal valve technical field, concretely is a kind of waxiness thermal valve air tightness detection device. BACKGROUND

[0002] Waxiness thermal valve is a kind of valve based on temperature change and produces valve opening and closing action, it is usually composed of past temperature wax and metal. When temperature wax is heated, it will expand, thereby push metal part to move, and then control the opening or closing of valve.

[0003] And the existing waxiness thermal valve is processed, lack of air tightness detection device, leading to possibly have poor air tightness defective product, poor practicality. Therefore, it is very necessary to design the practicality of a kind of waxiness thermal valve air tightness detection device. INVENTION CONTENTS

[0004] The utility model discloses a kind of waxiness thermal valve air tightness detection devices to solve the problems raised in the above background.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of waxiness thermal valve air tightness detection device, including pressure regulating valve and waxiness thermal valve, one end of the pressure regulating valve is connected with clamping electromagnetic valve by pipeline, the outlet of the pressure regulating valve is connected with inlet electromagnetic valve by pipeline, the inlet of the pressure regulating valve is connected with external compressed air source.

[0006] According to the above technical scheme, the side bore of the waxiness thermal valve has import P, the inner wall of the waxiness thermal valve is provided with a sliding groove, a spring is slidably arranged in the sliding groove, one end of the spring is provided with a thimble, and the tip of the thimble is matched with the hole plug.

[0007] According to the above technical scheme, the sliding groove is communicated with outlet T, and one end of outlet T is connected with gas storage tank, the top of the gas storage tank is connected with pressure switch by pipeline, and the top of the gas storage tank is also connected with exhaust electromagnetic valve by pipeline.

[0008] According to the above technical scheme, the side of the gas storage tank is provided with electrical control box, and one end of the electrical control box is electrically connected with power supply.

[0009] According to the above technical scheme, the inside of the electrical control box is provided with starting module, alarm module, reset module and qualified module, the starting module is electrically connected with inlet electromagnetic valve, the alarm module and qualified module are electrically connected with pressure switch, and the reset module is electrically connected with exhaust electromagnetic valve.

[0010] According to the technical scheme, one side of the wax thermal sensitive valve is connected with a wax temperature sensing bag through threads, an output end of the wax temperature sensing bag is connected with a spring through a top block, and the inlet P and the air inlet electromagnetic valve are connected through a pipeline.

[0011] Compared with the prior art, the utility model has the advantages that: the wax thermal sensitive valve is placed in the detection position, and whether the wax thermal sensitive valve leaks is detected, and the detection process is automatically carried out, so that the detection is accurate and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0014] Fig. 2 It is the test principle schematic diagram of the utility model;

[0015] In the drawing: 1, clamping electromagnetic valve;2, pressure regulating valve;3, air inlet electromagnetic valve;4, wax thermal sensitive valve;41, inlet;42, sliding groove;5, wax temperature sensing bag;51, thimble;52, hole plug;53, spring;6, gas storage tank;7, pressure switch;8, exhaust electromagnetic valve;9, power supply;10, electrical control box. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figs. 1-2 The utility model provides technical scheme: a wax thermal sensitive valve air tightness detection device, including pressure regulating valve 2 and wax thermal sensitive valve 4, one end of pressure regulating valve 2 is connected with clamping electromagnetic valve 1 through pipeline through connection, the outlet end of pressure regulating valve 2 is connected with air inlet electromagnetic valve 3 through pipeline through connection, the inlet end of pressure regulating valve 2 is connected with external compressed air source through pipeline through connection, when using, will make pressure regulating valve 2 carry out pressure regulation, make external air pressure enter its outlet, clamping electromagnetic valve 1 is used to control the work of subsequent element;

[0018] The wax heat-sensitive valve 4 has an inlet 41 on one side, and a sliding groove 42 is formed in the inner wall of the wax heat-sensitive valve 4. A spring 53 is slidably arranged in the sliding groove 42, one end of the spring 53 is connected to a thimble 51 through a sleeve joint, the thimble 51 cooperates with the opening plug 52, and the tip of the thimble 51 abuts against the opening of the opening plug 52 to detect the sealing performance. The thimble 51 slides in the sliding groove 42;

[0019] The sliding groove 42 extends outward on one side to form an outlet T, and the outlet T is connected to a gas storage tank 6 at one end. The top of the gas storage tank 6 is connected to a pressure switch 7 through a pipeline, and the top of the gas storage tank 6 is also connected to an exhaust electromagnetic valve 8 through a pipeline. When gas enters the gas storage tank 6, it means that there is a gas leak. At this time, the pressure switch 7 will be inducted, and the exhaust electromagnetic valve 8 will be started to restore the gas pressure in the gas storage tank 6 to normal, so as to facilitate re-detection.

[0020] One side of the gas storage tank 6 is provided with an electrical control box 10, and one end of the electrical control box 10 is electrically connected to a power supply 9. The electrical control box 10 controls various electrical elements and detects the pressure.

[0021] The electrical control box 10 is internally provided with a start module, an alarm module, a reset module and a qualified module. The start module is electrically connected to the air inlet electromagnetic valve 3, the alarm module and the qualified module are electrically connected to the pressure switch 7, and the reset module is electrically connected to the exhaust electromagnetic valve 8. After pressing the start button, the start module opens the air inlet electromagnetic valve 3 to pump air. When the reset button is pressed, the reset module opens the exhaust electromagnetic valve 8. When the pressure switch 7 has no pressure, a signal will be transmitted to the qualified module. When the pressure switch 7 detects pressure, a signal will be transmitted to the alarm module.

[0022] The wax heat-sensitive valve 4 is connected to a wax temperature sensing bag 5 on one side through a threaded connection. The output end of the wax temperature sensing bag 5 is connected to the spring 53 through a top block. The inlet 41 and the air inlet electromagnetic valve 3 are connected through a pipeline. When the wax temperature sensing bag 5 senses temperature changes, the spring 53 will be pushed out through the top block. The air inlet electromagnetic valve 3 will open to pump gas into the inlet 41 and then into the wax heat-sensitive valve.

[0023] 1. The temperature bag heating time is greater than 5 minutes. Put the temperature bag into the support and clamp it, and press the "start" button.

[0024] 2. Open DF1 to introduce 3 bar air, close DF2, and delay Tmin. The pressure switch PS1 does not act (no overpressure), and the "qualified" light is on. The pressure switch PS1 acts (overpressure), and the "unqualified" light is on and alarms. 3. Press the "reset" button to close DF1 and open DF2 to exhaust.

[0025] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] Finally, it should be noted that the above-described embodiments are merely possible embodiments of the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for detecting the tightness of a wax thermosensitive valve, comprising a pressure regulating valve (2) and a wax thermosensitive valve (4), characterized in that: One end of the pressure regulating valve (2) is connected with the pinch solenoid valve (1) through pipeline, the outlet end of the pressure regulating valve (2) is connected with the air inlet solenoid valve (3) through pipeline, and the inlet end of the pressure regulating valve (2) is connected with the external compressed air source.

2. The wax thermal sensitive valve air tightness detection device according to claim 1, characterized in that: The wax thermal sensitive valve (4) is provided with an inlet P (41) and an outlet T on one side, and a sliding groove (42) is formed in the inner wall of the wax thermal sensitive valve (4), a spring (53) is arranged in the sliding groove (42), one end of the spring (53) is provided with a thimble (51) through sleeve connection, and the tip of the thimble (51) is matched with a hole screw plug (52) to control the flow size.

3. A waxed thermal valve air tightness detection device according to claim 2, characterized in that: The sliding groove (42) is communicated with the outlet T, one end of the outlet T is connected with the gas storage tank (6), the top of the gas storage tank (6) is connected with the pressure switch (7) through pipeline, and the top of the gas storage tank (6) is also connected with the exhaust solenoid valve (8) through pipeline.

4. The wax thermal sensitive valve air tightness detection device according to claim 3, characterized in that: One side of the gas storage tank (6) is provided with an electrical control box (10), and one end of the electrical control box (10) is electrically connected with a power supply (9).

5. A waxed thermal valve air tightness detection device according to claim 4, characterized in that: The inside of the electrical control box (10) is provided with a starting module, an alarm module, a reset module and a qualified module, the starting module is electrically connected with the air inlet solenoid valve (3), the alarm module and the qualified module are electrically connected with the pressure switch (7), and the reset module is electrically connected with the exhaust solenoid valve (8).

6. A waxed thermal valve air tightness detection device according to claim 5, characterized in that: One side of the wax thermal sensitive valve (4) is connected with the wax temperature sensing bag (5) through thread connection, the output end of the wax temperature sensing bag (5) is connected with the spring (53) through a top block, and the inlet P (41) is connected with the air inlet solenoid valve (3) through pipeline.

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