CN208107252U - A kind of control valve for compressor door - Google Patents

Abstract

The utility model discloses a kind of control valve for compressor doors, including valve body, the both ends of the valve body are respectively equipped with threaded air inlet and air outlet, the valve body is fixedly connected with bulge on the upside of one end of gas outlet, the upside of the bulge is equipped with first interface, the first interface is communicated with one end of tracheae, and one end of cover board and the other side top of cavity are equipped with the hasp lock to match, and the junction on the cover board and cavity top is equipped with sealing ring.The utility model, which changes, traditional needs to manually adjust valve to control the mode of compressor gas output size, but the temperature on gas outlet is experienced by bulge, when temperature is too low on gas outlet, air pressure is lower in bulge, and reset spring pops up spool, increase gas output, when when the temperature is excessively high, air pressure becomes larger in bulge on gas outlet, eardrum can be pressed downward, to reduce gas output, the work load of compressor is alleviated.

Description

A kind of control valve for compressor door

Technical field

The utility model relates to Compressor Technology field, specially a kind of control valve for compressor door.

Background technique

Compressor（compressor）, it is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is The heart of refrigeration system.It from air intake duct sucking low-temp low-pressure refrigerant gas, by motor operate band piston to its into After row compression, to the refrigerant gas of exhaust pipe discharge high temperature and pressure, power is provided for refrigeration cycle.

Valve is one of important component and component easy to damage in Reciprocting piston compressor, its quality is directly Influence capacity, power consumption and the maintainability of compressor.The valve of existing compressor outlet mostly uses manually The gas output of compressor is controlled, such mode increases the operating pressure of compressor, and reduce compressor uses the longevity Life.For this purpose, it is proposed that a kind of control valve for compressor door.

Utility model content

The purpose of this utility model is to provide a kind of control valve for compressor doors, are experienced on gas outlet by bulge Temperature, when temperature is too low on gas outlet, air pressure is lower in bulge, and reset spring pops up spool, increases gas output, when On gas outlet when the temperature is excessively high, air pressure becomes larger in bulge, can be pressed downward eardrum, to reduce gas output, alleviates compressor Work load, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions：A kind of control valve for compressor door, including valve Door body, the both ends of the valve body are respectively equipped with threaded air inlet and air outlet, and the valve body is close to outlet Bulge is fixedly connected on the upside of one end of mouth, the upside of the bulge is equipped with first interface, and the first interface is communicated with tracheae One end, the other end of the tracheae is connected to the side upper end of cavity by second interface, and the internal activity of the cavity connects It is connected to eardrum, the bottom of the eardrum is fixedly connected with interlocking bar, and the bottom end of the interlocking bar is fixedly connected with spool, the valve The bottom of core is connected with reset spring, and reset spring is located at the inside of groove, and the side top of the cavity is connected with Cover board, and one end of cover board and the other side top of cavity are equipped with the hasp lock to match, the company of the cover board and cavity top It meets place and is equipped with sealing ring.

Preferably, the screw tip of the air inlet and air outlet is equipped with O-shaped gasket.

Preferably, the inside of the first interface and second interface is equipped with screw thread, and tracheae respectively with first interface and Second interface is threadedly coupled.

Preferably, the spool is cylindrical setting, and the diameter of spool is greater than the aperture 5mm-10mm of valve body.

Preferably, handle is equipped at the top of the eardrum, and handle is semicircle setting.

Preferably, the outside of the upper and lower ends of the spool is socketed with the second O-ring seal.

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

1, the utility model change it is traditional need to manually adjust valve to control the mode of compressor gas output size, But the temperature on gas outlet is experienced by bulge, when temperature is too low on gas outlet, air pressure is lower in bulge, reset spring Spool is popped up, gas output is increased, when the temperature is excessively high, air pressure becomes larger in bulge on gas outlet, eardrum can be pressed downward, To reduce gas output, the work load of compressor is alleviated；

2, the sealing ring of the junction on the utility model cover board and cavity top ensure that cavity inside is the sky of sealing Between, allow eardrum normally to experience the variation of air pressure, the second O-ring seal on the outside of spool, so that spool interior will not leak, The O-shaped gasket of air inlet and air outlet, so that the valve will not generate leakage.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the area Tu1Zhong A enlarged diagram；

Fig. 3 is the tracheae cross-sectional view of the utility model.

In figure：1 valve body, 2 gas outlets, 3 air inlets, 4 grooves, 5 spools, 6 reset springs, 7 cavitys, 8 interlocking bar, 9 Hasp lock, 10 eardrums, 11 handles, 12 cover boards, 13 sealing rings, 14 second interfaces, 15 tracheaes, 16 first interfaces, 17 O-shaped sealings Pad, 18 bulges, 19 second O-ring seals.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1~3 are please referred to, the utility model provides a kind of technical solution：A kind of control valve for compressor door, including valve Ontology 1, the both ends of the valve body 1 are respectively equipped with threaded air inlet 3 and gas outlet 2, and the valve body 1 is close to out It is fixedly connected with bulge 18 on the upside of one end of port 2, which can experience the temperature of gas outlet, and change inside bulge 18 Air pressure, then control eardrum 10 and move up and down with movable valve plug 5, to change the size of gas output, the upside of the bulge 18 Equipped with first interface 16, the first interface 16 is communicated with one end of tracheae 15, and the other end of the tracheae 15 connects by second Mouth 14 is connected to the side upper end of cavity 7, and the internal activity of the cavity 7 is connected with eardrum 10, and the bottom of the eardrum 10 is solid Surely it is connected with interlocking bar 8, the bottom end of the interlocking bar 8 is fixedly connected with spool 5, and the bottom of the spool 5 is connected with multiple Position spring 6, and reset spring 6 is located at the inside of groove 4, the side top of the cavity 7 are connected with cover board 12, and cover board 12 One end and the other side top of cavity 7 are equipped with the hasp lock 9 to match, and the junction on 7 top of the cover board 12 and cavity is equipped with Sealing ring 13, the sealing ring 13 ensure that cavity inside is the space of sealing, eardrum allowed normally to experience the change of air pressure Change.

Specifically, the air inlet 3 and the screw tip of gas outlet 2 are equipped with O-shaped gasket 17, which makes Leakage will not be generated by obtaining the valve, improve air-tightness.

Specifically, the inside of the first interface 16 and second interface 14 is equipped with screw thread, and tracheae 15 is respectively with first Interface 16 and the threaded connection of second interface 14, the first interface 16 and second interface 14 are conducive to the installation and removal of tracheae 15, It is easy to repair.

Specifically, the spool 5 is cylindrical setting, and the diameter of spool 5 is greater than the aperture 5mm- of valve body 1 10mm advantageously ensures that the spool 5 will not block the inside of air inlet 3 and gas outlet 2 when moving up and down.

Specifically, being equipped with handle 11 at the top of the eardrum 10, and handle 11 is semicircle setting, which is conducive to tie up Eardrum 10 is taken out when repairing replacement.

Specifically, the outside of the upper and lower ends of the spool 5 is socketed with the second O-ring seal 19, the second O-shaped sealing Circle 19 leak spool 5 will not interior, guarantee air-tightness.

Working principle：In use, bulge 18 to be wrapped in the surface of gas outlet 2, tracheae 15 is connected to first interface 16 In second interface 14, is conducive to for the air pressure of bulge 18 being transferred in cavity 7, reset spring 6 is put into the bottom of groove 4 Portion is conducive to pop up spool 5, by 19 sets of the second O-ring seal upper and lower ends in spool 5, so that spool 5 will not produce Eardrum 10 with spool 5, is then put into cavity 7 by leakage in raw, covers and buckles hasp lock 9 after cover board 12, then by air inlet On the compressor, gas outlet 2 is mounted on escape pipe 3 installation of mouth, and the temperature on gas outlet 2 is experienced in bulge 18, when on gas outlet 2 When temperature is too low, air pressure is lower in bulge 18, and reset spring 6 pops up spool, increases gas output, when warm on gas outlet 2 When spending high, air pressure becomes larger in bulge 18, can be pressed downward eardrum 10, to reduce gas output, alleviates the work of compressor Burden.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of control valve for compressor door, including valve body（1）, it is characterised in that：The valve body（1）Both ends point It She You not threaded air inlet（3）The gas outlet and（2）, the valve body（1）Close to gas outlet（2）One end on the upside of it is fixed It is connected with bulge（18）, the bulge（18）Upside be equipped with first interface（16）, the first interface（16）It is communicated with tracheae （15）One end, the tracheae（15）The other end pass through second interface（14）It is connected to cavity（7）Side upper end, the sky Chamber（7）Internal activity be connected with eardrum（10）, the eardrum（10）Bottom be fixedly connected with interlocking bar（8）, the linkage Bar（8）Bottom end be fixedly connected with spool（5）, the spool（5）Bottom be connected with reset spring（6）, and reset bullet Spring（6）Positioned at groove（4）Inside, the cavity（7）Side top be connected with cover board（12）, and cover board（12）One end and Cavity（7）Other side top be equipped with the hasp lock that matches（9）, the cover board（12）And cavity（7）The junction on top is set There is sealing ring（13）.

2. a kind of control valve for compressor door according to claim 1, it is characterised in that：The air inlet（3）And outlet Mouthful（2）Screw tip be equipped with O-shaped gasket（17）.

3. a kind of control valve for compressor door according to claim 1, it is characterised in that：The first interface（16）With Two interfaces（14）Inside be equipped with screw thread, and tracheae（15）Respectively with first interface（16）And second interface（14）Screw thread connects It connects.

4. a kind of control valve for compressor door according to claim 1, it is characterised in that：The spool（5）It is cylinder Shape setting, and spool（5）Diameter be greater than valve body（1）Aperture 5mm-10mm.

5. a kind of control valve for compressor door according to claim 1, it is characterised in that：The eardrum（10）Top is equipped with Handle（11）, and handle（11）For semicircle setting.

6. a kind of control valve for compressor door according to claim 1, it is characterised in that：The spool（5）Up and down two The outside at end is socketed with the second O-ring seal（19）.