CN209195642U

CN209195642U - A kind of frequency-changeable compressor intake valve with diversion function

Info

Publication number: CN209195642U
Application number: CN201821940992.6U
Authority: CN
Inventors: 何东
Original assignee: FENGHUA EAGURT MACHINERY MANUFACTURE Co Ltd
Current assignee: FENGHUA EAGURT MACHINERY MANUFACTURE Co Ltd
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2019-08-02
Anticipated expiration: 2028-11-23

Abstract

The utility model relates to a kind of frequency-changeable compressor intake valve with diversion function, including valve body, valve body is equipped with air inlet, gas outlet, the valve body end face installation of air outlet side is on the compressor, check valve assembly is equipped in the valve body of air outlet side, check valve assembly includes non-return valve core, elastic component and valve chamber, and non-return valve core is active in valve chamber along air inlet/outlet direction；Venthole that portion gas when the bottom of valve chamber is offered for being vented compressor flows into valve chamber simultaneously moves non-return valve core to the air inlet direction of valve body, and the bottom of valve chamber protrudes from the valve body end face of air outlet side；Valve chamber is fixed on valve body by supporting rib, and supporting rib is equipped with the flow guide sleeve of gas in diaphragm valve body when for air inlet；The utility model has the following beneficial effects: having the advantages that non-return valve core Rapid reset function, energy-saving effect is good, work efficiency is high, air inlet is steady.

Description

A kind of frequency-changeable compressor intake valve with diversion function

Technical field

The utility model belongs to valve body technical field more particularly to a kind of frequency-changeable compressor air inlet with diversion function Valve.

Background technique

Intake valve be compressor tolerance adjust core component, compressor it is mating in it is particularly critical, it is especially existing The intake valve that some frequency-changeable compressors are installed in inlet end is equipped with electromagnetism on the shutdown blow valve being connected on the intake valve Valve, and the emptying and decompression of frequency-changeable compressor are controlled by solenoid valve, and non-return in the form of piston is equipped in the valve body of intake valve Valve module, the check valve assembly are the closing and opening for being moved upwardly or downwardly to realize intake valve by piston, and piston to It is upper movement be by solenoid valve control, that is, be connected to shut down blow valve on compressor oil gas separating barrel, in hypertonia When, piston lower portion is entered by solenoid valve and promotes piston upwards, realizes the closing of intake valve to keep compressor oil gas point Pressure from bucket；Equipped with check valve assembly in the form of piston, have a disadvantage in that: 1), the reset speed of check-valves it is slower, 2), it is entire The height design of intake valve is very high, so that the air inlet runner of intake valve becomes very long, 3), energy-saving effect is bad, 4), working efficiency It is not high；Above-mentioned intake valve flows through the gas in intake valve due to, without guide functions, causing in valve in valve body in intake process Intracorporal gas, which will appear mixed flow phenomenon, causes air inlet unstable；And check valve assembly is when moveing downward, check valve assembly Interior flap can be contacted with valve chamber upper surface, since the oil gas in frequency-changeable compressor can make check valve assembly when resetting, be occurred Flap and valve chamber upper surface in check valve assembly are attracted phenomenon, cause intake valve operation abnormal.

Summary of the invention

The purpose of the utility model is to overcome the shortcomings of the prior art, and it is flat to provide a kind of structure novel, air inlet Steady and excellent performance the frequency-changeable compressor intake valve with diversion function.

The purpose of this utility model is completed by following technical solution, this frequency conversion compression with diversion function Machine intake valve includes valve body, and valve body is equipped with air inlet, gas outlet, and the valve body end face of air outlet side is installed on the compressor, institute It states and is equipped with check valve assembly in the valve body of air outlet side, the check valve assembly includes non-return valve core, elastic component and valve chamber, institute Non-return valve core is stated to be active in valve chamber along air inlet/outlet direction；When the bottom of the valve chamber is offered for being vented compressor Venthole that portion gas flows into valve chamber simultaneously moves non-return valve core to the air inlet direction of valve body, and the bottom of the valve chamber Portion protrudes from the valve body end face of the air outlet side；The valve chamber is fixed on the valve body by supporting rib, the supporting rib It is equipped with the flow guide sleeve of gas in diaphragm valve body when for air inlet.

The utility model has the following beneficial effects: the venthole being equipped in first, valve chamber can make non-return valve core Rapid reset, The piston for eliminating check valve assembly compared with prior art reduces the cost of entire intake valve and improves in the course of work Stability；The second, the bottom of valve chamber protrudes from valve body end face, so that the design height of entire intake valve reduces, so that The air inlet runner of intake valve shortens, and material used by the valve body because of intake valve is aluminium or copper and valve body whole height reduces, energy The production cost for further decreasing intake valve has the advantages that energy-saving effect is good, work efficiency is high, reduces production cost；Third, Flow guide sleeve is added in valve body, can play makes the intracorporal gas of valve be not in that mixed flow phenomenon and air inlet are flat in intake valve air inlet Surely, performance is more preferable.

Preferably, the flow guide sleeve is circular cylindrical structure, and it is located at the outside of the valve chamber.

Preferably, the lower end of the flow guide sleeve is fixed on the supporting rib, if the upper end of the flow guide sleeve offers Dry is in the equal groove being distributed and is shaped to male and fomale(M&F).

Preferably, the shaft core line of the valve chamber is overlapped with the shaft core line of the valve body air inlet.

Preferably, the venthole is located at the center position of the valve chamber bottom.

Preferably, the non-return valve core includes valve rod, flap, the flap is fixed on the valve rod, and the valve Valve is located at the top of the valve chamber, and the valve rod is located in the valve chamber and along the activity of air inlet/outlet direction.

Preferably, being equipped with elastic component between the non-return valve core and the valve chamber；And the elastic component is positioned at described Between on the outside of flap and the valve chamber, or it is located between the valve rod and valve chamber inside.

Preferably, the outer diameter of the flap is equal with the outer diameter of the flow guide sleeve.

Preferably, offer spline on the lateral wall of the valve rod, and the outside of the spline and the valve chamber is interior Wall is in contact.

Detailed description of the invention

Fig. 1 is the intake valve main view the schematic diagram of the section structure of the utility model.

Fig. 2 is the radial section structural schematic diagram of the valve rod of the utility model.

Fig. 3 is the flow guide sleeve main view the schematic diagram of the section structure of the utility model.

Fig. 4 is the flow guide sleeve overlooking structure diagram of the utility model.

Label in attached drawing is respectively as follows: 1, valve body；2, check valve assembly；3, supporting rib；4, flow guide sleeve；21, non-return valve core； 22, elastic component；23, valve chamber；41, male and fomale(M&F)；1-1, air inlet；1-2, gas outlet；4-1, groove；21-1, valve rod；21-2, valve Valve；23-1, venthole；21-1-1, spline.

Specific embodiment

Do detailed introduction to the utility model below in conjunction with attached drawing 1: the utility model includes valve body 1, is set on valve body 1 There are air inlet 1-1, gas outlet 1-2,1 end face of valve body of air outlet side is mounted on the head of compressor；In the valve of air outlet side Be equipped with check valve assembly 2 in body 1, check valve assembly 2 include the non-return valve core 21 being active in along air inlet/outlet direction in valve chamber 23, Elastic component 22 and valve chamber 23, non-return valve core 21 include valve rod 21-1, flap 21-2, and flap 21-2 is fixed on valve rod 21-1, valve Valve 21-2 is located at the top of valve chamber 23, and valve rod 21-1 is located in valve chamber 23 and along the activity of air inlet/outlet direction；The bottom of valve chamber 23 Venthole 23-1 that portion gas when offering for being vented compressor flows into valve chamber 23 and make non-return valve core 21 to The direction air inlet 1-1 of valve body 1 moves, and when compressor is depressured or is vented, the oil gas in compressor can be along intake valve at this time The flowing of the gas outlet direction 1-2, because the gas outlet 1-2 of intake valve is located at the head of compressor, the part oil gas meeting in compressor It is flowed into valve chamber 23 by venthole 23-1, moves upwards the valve rod 21-1 being located in valve chamber 23, to be fixed on valve rod Flap 21-2 on 21-1 is bonded reset with the air inlet 1-1 in valve body 1, is in close state intake valve.

In order to reset valve rod 21-1 faster during moving upwards, pacify between non-return valve core 21 and valve chamber 23 Equipped with elastic component 22, elastic component 22 is located between 23 outside flap 21-2 and valve chamber, or is located at 23 inside valve rod 21-1 and valve chamber Between；It is preferably generally that elastic component 22 is located between 23 outside flap 21-2 and valve chamber according to the design of valve body 1, in this way convenient for peace Dress, stability is also more preferably.

Venthole 23-1 is offered by the above-mentioned bottom in valve chamber 23, and is installed between non-return valve core 21 and valve chamber 23 Flexible part 22；So that reset that can be quick, stable during non-return valve core 21 moves upwards, the effect with dual restoring force Fruit.

Above-mentioned elastic component 22 is preferably reset spring, selects reset spring that can play the function of non-return valve core reset, The production cost of entire check valve assembly can be reduced again.

The bottom of valve chamber 23 protrudes from 1 end face of valve body of air outlet side, and the whole height of intake valve can be made to reduce in this way, So that the gas flow in air inlet valve body 1 shortens, opened convenient for non-return valve core 21, there is energy-saving, working efficiency High advantage.

In order to avoid intake valve is in intake process, the intracorporal gas of valve generates the unstable phenomenon of air inlet caused by mixed flow Generation, when being equipped on supporting rib 3 for air inlet in water conservancy diversion valve body 1 gas flow guide sleeve 4, flow guide sleeve 4 is circular cylindrical knot Structure, and be located at the outside of valve chamber 23, i.e., there are between supplied gas flowing between the lateral surface of valve chamber 23 and the medial surface of flow guide sleeve 4 Also there are the gap of supplied gas flowing between the inner sidewall of the lateral surface and valve body 1 of gap and flow guide sleeve 4, intake valve is in intake process In, when being originally that gas is entered in valve body 1, because the space in valve body 1 is larger, gas can generate certain mixed flow phenomenon, cause Air inlet is unstable, and adds flow guide sleeve now, when gas is entered in valve body 1, the intracorporal space of valve by flow guide sleeve 4 be averagely divided into for Two internal and external channels, gas will not generate mixed flow phenomenon in valve body 1, so that air inlet is steady, performance is also more preferably.

Intake valve in intake process, at this time flap 21-2 move downward can with the upper end face contact of flow guide sleeve 4 and be bonded, Intake valve air inlet terminates, and flap 21-2 needs to reset, and when because that flap 21-2 can be made to reset due to the oil gas in frequency-changeable compressor, occurs The upper surface of flap 21-2 and flow guide sleeve 4 is attracted phenomenon, causes intake valve operation abnormal；It therefore need to be in the upper end of flow guide sleeve 4 Several are offered in waiting the groove 4-1 being distributed and being shaped to male and fomale(M&F) 41 (as shown in attached drawing 3,4), passes through and reduces contact table Area, to be attracted the generation of phenomenon during preventing flap 21-2 from moving downward with the upper surface of flow guide sleeve 4.

For the stationarity during preferably moving downward flap 21-2, the outer diameter of flap 21-2 and flow guide sleeve 4 it is outer Diameter is equal.

Valve chamber 23 is fixed on valve body 1 by supporting rib 3, so that the stability of valve chamber 23 is guaranteed；The axis of valve chamber 23 Core wire is overlapped with the shaft core line of valve body air inlet 1-1, so that the non-return valve core 21 being located on valve chamber 23 is during up and down It is more steady, and the flap 21-2 in non-return valve core 21 also can be preferably bonded with valve body air inlet 1-1；Venthole 23-1 is located at At the center position of 23 bottom of valve chamber, oil gas is flowed into valve chamber 23 more evenly, so that valve rod 21-1 is living upwards It is also more steady during dynamic.

As shown in Fig. 2, spline 21-1-1, and the outside of spline 21-1-1 and valve are offered on the lateral wall of valve rod 21-1 The inner wall of chamber 23 is in contact, so that valve rod 21-1 is not in catching phenomenon during the inner wall of valve chamber is up and down, and leads Tropism is also more preferably.

The working principle of the utility model are as follows: when frequency-changeable compressor needs air inlet, by the air inlet 1-1 of intake valve to valve Air inlet in body 1, flap 21-2 is moved downward at this time, and intake valve is in the open state at this time, flows through the air inlet 1-1 of intake valve Water conservancy diversion of the gas through flow guide sleeve 4 smoothly flow into valve body 1, and finally flow into along valve body 1 to the head of frequency-changeable compressor； When frequency-changeable compressor need to be depressured or be vented, the oil gas in frequency-changeable compressor can be flowed along the gas outlet direction 1-2 of intake valve at this time Dynamic, the part oil gas in compressor can be flowed into valve chamber 23 by venthole 23-1, make the valve rod 21-1 being located in valve chamber 23 It moves upwards, so that the flap 21-2 being fixed on valve rod 21-1 is bonded reset with the air inlet 1-1 in valve body 1, makes intake valve It is in close state.

The utility model is not limited to above embodiment, makees any variation no matter constituting in its shape or material, all It is to be designed using structure provided by the utility model, is all a kind of deformation of the utility model, is considered as practical new at this Within type protection scope.

Claims

1. a kind of frequency-changeable compressor intake valve with diversion function, including valve body (1), valve body (1) is equipped with air inlet (1- 1), gas outlet (1-2), valve body (1) the end face installation of air outlet side is on the compressor, it is characterised in that: described in air outlet side Valve body (1) in be equipped with check valve assembly (2), the check valve assembly (2) includes non-return valve core (21), elastic component (22) and valve Chamber (23), the non-return valve core (21) are active in valve chamber (23) along air inlet/outlet direction；The bottom of the valve chamber (23) opens up Venthole (23-1) that portion gas when having for being vented compressor flows into valve chamber (23) simultaneously makes non-return valve core (21) It is moved to direction air inlet (1-1) of valve body (1), and the bottom of the valve chamber (23) protrudes from the valve body of the air outlet side (1) end face；The valve chamber (23) is fixed on the valve body (1) by supporting rib (3), and the supporting rib (3) is equipped with and is used for The flow guide sleeve (4) of water conservancy diversion valve body (1) interior gas when air inlet.

2. a kind of frequency-changeable compressor intake valve with diversion function according to claim 1, it is characterised in that: described to lead Stream set (4) is circular cylindrical structure, and is located at the outside of the valve chamber (23).

3. a kind of frequency-changeable compressor intake valve with diversion function according to claim 1, it is characterised in that: described to lead The lower end of stream set (4) is fixed on the supporting rib (3), and it is in wait to be distributed that the upper end of the flow guide sleeve (4), which offers several, Groove (4-1) and be shaped to male and fomale(M&F) (41).

4. a kind of frequency-changeable compressor intake valve with diversion function according to claim 1, it is characterised in that: the valve The shaft core line of chamber (23) is overlapped with the shaft core line of the valve body air inlet (1-1).

5. a kind of frequency-changeable compressor intake valve with diversion function according to claim 1, it is characterised in that: described logical Stomata (23-1) is located at the center position of the valve chamber (23) bottom.

6. a kind of frequency-changeable compressor intake valve with diversion function according to claim 1, it is characterised in that: described to stop Going back to spool (21) includes valve rod (21-1), flap (21-2), and the flap (21-2) is fixed on the valve rod (21-1), and institute The top that flap (21-2) is located at the valve chamber (23) is stated, the valve rod (21-1) is located in the valve chamber (23) and along disengaging gas The activity of mouth direction.

7. a kind of frequency-changeable compressor intake valve with diversion function according to claim 6, it is characterised in that: described to stop It returns and elastic component (22) is installed between spool (21) and the valve chamber (23)；And the elastic component (22) is located at the flap (21- 2) between the valve chamber (23) outside, or it is located between the valve rod (21-1) and the valve chamber (23) inside.

8. a kind of frequency-changeable compressor intake valve with diversion function according to claim 6, it is characterised in that: the valve The outer diameter of valve (21-2) is equal with the outer diameter of the flow guide sleeve (4).

9. a kind of frequency-changeable compressor intake valve with diversion function according to claim 6, it is characterised in that: the valve It is offered on the lateral wall of bar (21-1) spline (21-1-1), and the outside of the spline (21-1-1) and the valve chamber (23) Inner wall is in contact.

10. a kind of frequency-changeable compressor intake valve with diversion function according to claim 1, it is characterised in that: described Elastic component (22) is reset spring.