CN209179985U - Compressor air-discharging valve group - Google Patents
Compressor air-discharging valve group Download PDFInfo
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- CN209179985U CN209179985U CN201821697246.9U CN201821697246U CN209179985U CN 209179985 U CN209179985 U CN 209179985U CN 201821697246 U CN201821697246 U CN 201821697246U CN 209179985 U CN209179985 U CN 209179985U
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Abstract
The utility model relates to technical field of refrigeration compressors, more particularly, to a kind of compressor air-discharging valve group；Compressor air-discharging valve group provided by the utility model, comprising: exhaust valve plate, adjustment bar and valve plate driving device；Exhaust valve plate is mounted in cylinder, and the one end for adjusting bar is connect with exhaust valve plate, and the other end for adjusting bar is connect across the cylinder head of cylinder with valve plate driving device；Valve plate driving device is configured to driving exhaust valve plate and moves back and forth in the inside of cylinder along the central axes of cylinder.Compressor air-discharging valve group provided by the utility model, solving compressor in the prior art, cylinder inside clearance volume is larger in some cases, influences the technical issues of compressor operating efficiency or compressor piston directly hit exhaust valve plate, reach high-efficient, improves the beneficial effect of reliability.
Description
Technical field
The utility model relates to technical field of refrigeration compressors, more particularly, to a kind of compressor air-discharging valve group.
Background technique
When piston compressor works, piston moves reciprocatingly, and is made of cylinder inner wall, cylinder head and piston-top surface
Swept volume then can generating period variation.From cylinder head when setting in motion, the swept volume in cylinder is gradually increased piston,
At this moment, gas pushes intake valve open and enters cylinder i.e. along air inlet pipe, until when swept volume changes to maximum, intake valve
It closes；When piston reverses direction moves, swept volume reduces in cylinder, and gas pressure increases, when inner pressure of air cylinder reaches and is slightly above
When pressure at expulsion, exhaust valve is opened, and cylinder, until piston motion to extreme position, exhaust valve closure is discharged in gas.Work as work
When filling in counter motion again, the above process repeats.
In the prior art, exhaust valve plate is fixed on the bottom of compresser cylinder；But in certain actual conditions, for example, it is outer
After boundary's refrigeration system is stable, the piston for not needing compressor is done when absolutely calming the anger stroke, and piston gas-pressing rushes at this time
There will be biggish distance between the extreme position and exhaust valve plate of journey, thus make occur biggish clearance volume in cylinder,
Biggish clearance volume can it is serious influence compressor working efficiency, so that compressor has been done many idle works, to waste
The energy.In another example compressor piston may directly impinge exhaust valve plate in some cases, piston directly hits exhaust valve
Plate can not only make compressor issue very big noise and vibration, but also can damage to exhaust valve plate, influence compressor fortune
Capable reliability.
In consideration of it, there is an urgent need to a kind of exhaust valve plates for being able to solve above-mentioned technical problem.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of compressor air-discharging valve group, with solve in the prior art compressor at certain
A little situation lower cylinder inside clearance volumes are larger, influence compressor operating efficiency or compressor piston and directly hit exhaust valve plate
Technical problem reaches high-efficient, improves the beneficial effect of reliability.
Compressor air-discharging valve group provided by the utility model, comprising: exhaust valve plate, adjustment bar and valve plate driving device；
The exhaust valve plate is mounted in cylinder, and one end of the adjustment bar is connect with the exhaust valve plate, the adjustment
The cylinder head that the other end of bar passes through the cylinder is connect with the valve plate driving device；
The valve plate driving device is configured to drive the exhaust valve plate in the inside of the cylinder along the cylinder
Axis moves back and forth.
On the basis of above-mentioned technical proposal, further, the adjustment bar extends along the central axes of the cylinder.
On the basis of any of the above-described technical solution, further, one end of the adjustment bar and the exhaust valve plate
It is detachably connected.
On the basis of any of the above-described technical solution, further, circumference and the cylinder in the exhaust valve plate
Internal perisporium between be provided with sealing device.
On the basis of any of the above-described technical solution, further, the sealing device is around the exhaust valve plate
Circumference rubber seal,
The rubber seal is fixed on the circumference of the exhaust valve plate.
On the basis of any of the above-described technical solution, further, there is fixed dress in the outside weldings of the cylinder head
It sets,
The fixed device is formed as the hollow tubular structure that central axes extend along the direction perpendicular to the cylinder head, institute
State adjustment bar the other end sequentially pass through the cylinder head and the fixed device after connect with the valve plate driving device.
On the basis of any of the above-described technical solution, further, in the internal perisporium and the tune of the fixed device
Sealing structure is provided between the periphery wall of whole bar.
On the basis of any of the above-described technical solution, further, energy is offered on the peripheral wall of the fixed device
Enough oilholes that lubricating oil is passed through to the inside of the fixed device.
On the basis of any of the above-described technical solution, further, the valve plate driving device is cylinder, in the gas
Cylinder is internally provided with driving device piston rod, the other end company of the free end of the driving device piston rod and the adjustment bar
It connects.
The beneficial effects of the utility model are as follows:
Compressor air-discharging valve group provided by the utility model, comprising: exhaust valve plate, adjustment bar and valve plate driving device；Row
Valve plate is mounted in cylinder, and the one end for adjusting bar is connect with exhaust valve plate, and the other end for adjusting bar passes through the cylinder head of cylinder
It is connect with valve plate driving device；It is past along the central axes of cylinder in the inside of cylinder that valve plate driving device is configured to driving exhaust valve plate
Multiple movement.
After extraneous refrigeration system is stable, the piston for not needing compressor is done when absolutely calming the anger stroke, control
Valve plate driving device processed, valve plate driving device, which pushes, adjusts bar, adjusts bar and pushes exhaust valve plate, makes to be vented valve plate arrival accordingly
Position；Such as piston does stroke movement of partly calming the anger, and exhaust valve plate is pushed to the middle position of cylinder at this time, is guaranteeing to compress
In the case that function provides high pressure gas, the clearance volume in cylinder is minimum, to improve the working efficiency of compressor；When certain
When in a little situations on the piston slap of compressor to exhaust valve plate, valve plate driving device is controlled, valve plate driving device pulls adjustment
Bar, adjustment bar pull exhaust valve plate, make to generate a certain distance between exhaust valve plate and the maximum stroke of piston, to guarantee to press
The piston of contracting machine run to maximum calm the anger stroke when will not strike exhaust valve plate.
Compressor air-discharging valve group provided by the utility model can will be vented valve plate and be moved to appointing in the cylinder of compressor
Meaning position solves compressor in the prior art to flexibly have adjusted the distance between piston and exhaust valve plate of compressor
Cylinder inside clearance volume is larger in some cases, influences compressor operating efficiency or compressor piston directly hits exhaust valve
Plate, make compressor generate noise the technical issues of, reach high-efficient, improve the beneficial effect of reliability.
The utility model additionally provides a kind of piston compressor, is provided with above-mentioned compressor air-discharging valve group, Neng Gouqu
Obtain all beneficial effects of compressor air-discharging valve group.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of compressor air-discharging valve group provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of piston compressor provided by the embodiment of the utility model.
Appended drawing reference: 1- piston；2- cylinder；3- cylinder head；4- piston compressor；100- is vented valve plate；
101- adjusts bar；200- valve plate driving device；300- fixes device.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
The technical solution of the compressor air-discharging valve group of the present embodiment is described in detail below with reference to Fig. 1 and Fig. 2.
Embodiment one
The specific embodiment of the present embodiment is as follows:
Compressor air-discharging valve group provided in this embodiment, comprising: exhaust valve plate 100, adjustment bar 101 and valve plate driving device
200；Exhaust valve plate 100 is mounted in cylinder 2, and the one end for adjusting bar 101 is connect with exhaust valve plate 100, adjusts the another of bar 101
The cylinder head 3 across cylinder 2 is held to connect with valve plate driving device 200；Valve plate driving device 200 is configured to driving exhaust valve plate
100 move back and forth in the inside of cylinder 2 along the central axes of cylinder 2.
After extraneous refrigeration system is stable, the piston 1 for not needing compressor is done when absolutely calming the anger stroke, control
Valve plate driving device 200 processed, valve plate driving device 200 push adjustment bar 101, and adjustment bar 101 pushes exhaust valve plate 100, makes to arrange
Valve plate 100 reaches corresponding position；Such as piston 1 does stroke movement of partly calming the anger, and exhaust valve plate 100 is pushed to cylinder at this time
2 middle position, in the case where guaranteeing that piston type compressed function provides high pressure gas, the clearance volume in cylinder 2 is minimum,
To improve the working efficiency of compressor；When the piston 1 of compressor in some cases strikes on exhaust valve plate 100, control
Valve plate driving device 200 processed, valve plate driving device 200 pull adjustment bar 101, and adjustment bar 101 pulls exhaust valve plate 100, makes to arrange
A certain distance is generated between valve plate 100 and the maximum stroke of piston 1, to guarantee that the piston 1 of compressor is being run to most
Greatly calm the anger stroke when will not strike exhaust valve plate 100.
Exhaust valve plate 100 can be moved in the cylinder 2 of compressor by compressor air-discharging valve group provided in this embodiment
Any position solves in the prior art to flexibly have adjusted the distance between piston 1 and exhaust valve plate 100 of compressor
2 inside clearance volume of cylinder is larger in some cases for compressor, and the piston 1 for influencing compressor operating efficiency or compressor is direct
The technical issues of hitting exhaust valve plate 100, compressor is made to generate noise, reaches high-efficient, improves the beneficial effect of reliability.
In some embodiments, adjustment bar 101 extends along the central axes of cylinder 2；Specifically, exhaust valve plate 100 is cake
Shape structure, wherein one end of adjustment bar 101 are mounted on the center of circle of the round pie structure, are provided with one at the center of cylinder head 3
Through-hole, and the through-hole is corresponding with the exhaust center of circle of valve plate 100, which is pierced by for adjusting bar 101, adjusts the another of bar 101
End is connect across cylinder head 3 with valve plate driving device 200；Above structure is set by adjustment bar 101, can make to adjust bar 101
Length direction be on the central axes of cylinder 2, adjustment 101 course of work of bar in, adjustment bar 101 be parallel to 2 inner circumferential of cylinder
Wall movement, so that the power for adjusting the offer of bar 101 be made not generate the component on other directions on exhaust valve plate 100；Simultaneously will
Adjustment bar 101 is mounted on the center of exhaust valve plate 100, and the power that exhaust valve plate 100 can be made to be subject to is uniformly distributed.
In some embodiments, the one end and exhaust valve plate 100 for adjusting bar 101 are detachably connected；Specifically, exhaust valve plate
Tool internal thread threaded hole is provided at 100 center, one end of adjustment bar 101 is provided with external screw thread, will adjust bar 101
One end is screwed into threaded hole and adjustment bar 101 can be realized and be vented the connection of valve plate 100；It will adjustment bar 101 and exhaust valve plate
It is set as the connection type being detachably connected between 100, convenient for exhaust valve plate 100 and adjusts removing and installing for bar 101.
Further, adjustment bar 101 uses high-carbon steel, while surface is handled through plating hard chrome, or uses the hard such as stainless steel
Metal material will not deform since stress is excessive, be also prevented from simultaneously to guarantee adjustment bar 101 after prolonged use
There is a phenomenon where get rusty after adjustment bar 101 long-time use.
In some embodiments, sealing device is provided between the circumference of exhaust valve plate 100 and the internal perisporium of cylinder 2；
After exhaust valve plate 100 is mounted on 2 inside of cylinder, some seams can be had by being vented between 2 internal perisporium of circumference and cylinder of valve plate 100
Gap, the presence in the gap can make the piston 1 of compressor when gas, have a small amount of gas to flow from gap in compression cylinder 2
Out, to be unable to get the high pressure gas of specified pressure；Sealing device is set, gas compressed in cylinder 2 can be prevented logical
Gap outflow between 2 internal perisporium of circumference and cylinder of exhaust valve plate 100 is crossed, ensure that can only be from exhaust valve plate by compressed gas
100 pass through.
Further, sealing device is the rubber seal for being looped around the circumference of exhaust valve plate 100, the rubber seal
Mounting means is similar with the mounting means of cylinder piston sealing ring, and rubber seal is fixed on the circumference of exhaust valve plate 100；Specifically
, the circumference of exhaust valve plate 100 is provided with a circle groove, and rubber seal is set in groove, and the diameter of rubber seal
Rubber seal can be compressed after exhaust valve plate 100 is mounted on cylinder internal greater than the diameter of exhaust valve plate 100, make rubber
Sealing ring be close to 2 internal perisporium of cylinder and exhaust 100 circumference of valve plate, thus by be vented valve plate 100 circumference and 2 internal perisporium of cylinder it
Between the gap sealing that generates.
In some embodiments, there is fixed device 300 in the outside weldings of cylinder head 3；Specifically, the fixation device 300
It is welded on the through hole of cylinder head 3, fixed device 300 is formed as central axes along the hollow of the direction extension perpendicular to cylinder head 3
Tubular structure, the other end of adjustment bar 101 fill after sequentially passing through through-hole and fixed device 300 in cylinder head 3 with valve plate driving
200 connections are set, it is specific as shown in fig. 1；Fixed device 300 is set, there can be the work of the adjustment on a direction to adjustment bar 101
With making to adjust bar 101 can only move along the length direction of the hollow barrel-like structure, while also prevent adjustment bar 101 and cylinder
The through-hole being arranged in cylinder head 3 is worn after rubbing for a long time between lid 3.
Further, it is also equipped between the internal perisporium of the fixed device 300 and the periphery wall of the adjustment bar 101
Sealing structure；After being vented the opening of valve plate 100, high pressure gas enters the space between exhaust valve plate 100 and cylinder head 3 from gas
It is discharged in corresponding gas vent on cylinder cap 3, in the process, high pressure gas is easily between adjustment bar 101 and fixed device 300
Gap outflow, have portion gas between adjustment bar 101 and fixed device 300 in the high pressure gas that exhaust valve plate 100 is discharged
Gap outflow after, due to the reduction of gas volume, the pressure of gas is caused to reduce, so as to cause from 3 row of exhausting-gas hole of cylinder head
Gas out is unable to reach required pressure, therefore sets this sealing structure, to guarantee that high pressure gas will not be from adjustment bar 101 and solid
Determine the gap outflow between device 300.
Further, which is rubber seal ring, and rubber seal ring can be set in fixed device 300
Peripheral wall, also can be set adjustment bar 101 periphery wall, in the present embodiment, sealing structure be arranged in adjustment by periphery wall；
Specifically, the periphery wall of adjustment bar 101 is provided with a ring around the groove of adjustment bar 101, it will be straight greater diameter than adjustment bar 101
The rubber seal ring of diameter is sleeved in the groove, and after adjustment bar 101 is installed to fixed 300 inside of device, adjustment bar 101 is squeezed
Rubber seal ring makes rubber seal ring be close to fixed 300 internal perisporium of device and adjustment 101 periphery wall of bar, to realize adjustment bar
Sealing between 101 and fixed device 300.
Further, offering on the peripheral wall of the fixed device 300 can be logical to the inside of the fixed device 300
Enter the oilhole of lubricating oil；Oilhole is set, by oilhole to lubricating oil is injected inside fixed device 300, adjustment bar 101 can be prevented
It is directly contacted between periphery wall and fixed 300 internal perisporium of device, to cause the abrasion of adjustment bar 101 or fixed device 300.
In the present embodiment, valve plate driving device 200 is pusher cylinder, is internally provided with driving device in pusher cylinder
Piston rod, the free end of driving device piston rod are connect with the other end of the adjustment bar 101；Pusher cylinder is by entire piston type
The control system of compressor 4 controls, and the extension elongation of driving device piston rod is by the control system of piston compressor 4 according to outer
Boundary's factor is calculated.
As another embodiment, valve plate driving device 200 or the devices such as oil cylinder or electric pushrod.
Embodiment two
The utility model additionally provides a kind of piston compressor 4, is provided with above-mentioned compressor air-discharging valve group, can obtain
All beneficial effects of compressor air-discharging valve group, specific structure are as shown in Figure 2.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of compressor air-discharging valve group characterized by comprising exhaust valve plate, adjustment bar and valve plate driving device；
The exhaust valve plate is mounted in cylinder, and one end of the adjustment bar is connect with the exhaust valve plate, the adjustment bar
The cylinder head that the other end passes through the cylinder is connect with the valve plate driving device；
The valve plate driving device is configured to drive the exhaust valve plate in the inside of the cylinder along the central axes of the cylinder
It moves back and forth.
2. compressor air-discharging valve group according to claim 1, which is characterized in that axis of the adjustment bar along the cylinder
Line extends.
3. compressor air-discharging valve group according to claim 1, which is characterized in that one end of the adjustment bar and the exhaust
Valve plate is detachably connected.
4. compressor air-discharging valve group according to claim 1, which is characterized in that it is described exhaust valve plate circumference with it is described
Sealing device is provided between the internal perisporium of cylinder.
5. compressor air-discharging valve group according to claim 4, which is characterized in that the sealing device is around the exhaust
The rubber seal of the circumference of valve plate,
The rubber seal is fixed on the circumference of the exhaust valve plate.
6. compressor air-discharging valve group according to claim 1, which is characterized in that have in the outside weldings of the cylinder head solid
Determine device,
The fixed device is formed as the hollow tubular structure that central axes extend along the direction perpendicular to the cylinder head, the tune
The other end of whole bar is connect after sequentially passing through the cylinder head and the fixed device with the valve plate driving device.
7. compressor air-discharging valve group according to claim 6, which is characterized in that internal perisporium and institute in the fixed device
It states and is provided with sealing structure between the periphery wall of adjustment bar.
8. compressor air-discharging valve group according to claim 6, which is characterized in that opened up on the peripheral wall of the fixed device
There is the oilhole that lubricating oil can be passed through to the inside of the fixed device.
9. compressor air-discharging valve group according to any one of claim 1 to 8, which is characterized in that the valve plate driving dress
It is set to cylinder, is internally provided with driving device piston rod, the free end of the driving device piston rod and institute in the cylinder
State the other end connection of adjustment bar.
10. a kind of piston compressor, which is characterized in that including compressor exhaust valve described in any one of claims 1 to 9
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697246.9U CN209179985U (en) | 2018-10-18 | 2018-10-18 | Compressor air-discharging valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697246.9U CN209179985U (en) | 2018-10-18 | 2018-10-18 | Compressor air-discharging valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209179985U true CN209179985U (en) | 2019-07-30 |
Family
ID=67361635
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821697246.9U Active CN209179985U (en) | 2018-10-18 | 2018-10-18 | Compressor air-discharging valve group |
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| Country | Link |
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| CN (1) | CN209179985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012916A (en) * | 2020-08-05 | 2020-12-01 | 加西贝拉压缩机有限公司 | Piston type variable-frequency variable-capacity refrigeration compressor |
| CN112012917A (en) * | 2020-08-05 | 2020-12-01 | 加西贝拉压缩机有限公司 | Compressor variable volume structure with drainage groove |
| CN113153720A (en) * | 2021-04-14 | 2021-07-23 | 武汉理工大学 | Compressor economizer based on discharge valve clearance is adjusted |
-
2018
- 2018-10-18 CN CN201821697246.9U patent/CN209179985U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012916A (en) * | 2020-08-05 | 2020-12-01 | 加西贝拉压缩机有限公司 | Piston type variable-frequency variable-capacity refrigeration compressor |
| CN112012917A (en) * | 2020-08-05 | 2020-12-01 | 加西贝拉压缩机有限公司 | Compressor variable volume structure with drainage groove |
| CN113153720A (en) * | 2021-04-14 | 2021-07-23 | 武汉理工大学 | Compressor economizer based on discharge valve clearance is adjusted |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210629 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |