CN207485637U - A kind of compressor valve board - Google Patents
A kind of compressor valve board Download PDFInfo
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- CN207485637U CN207485637U CN201721369917.4U CN201721369917U CN207485637U CN 207485637 U CN207485637 U CN 207485637U CN 201721369917 U CN201721369917 U CN 201721369917U CN 207485637 U CN207485637 U CN 207485637U
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Abstract
The utility model discloses one kind can protect exhaust valve plate, extend the compressor valve board of exhaust valve plate service life.It includes valve plate body, suction hole, first row stomata, second row stomata and dashpot, suction hole, first row stomata, second row stomata and dashpot are each provided on valve plate body, first row stomata includes first exhaust entrance, first exhaust section and first exhaust outlet section, second row stomata includes second exhaust entrance, second exhaust section and second exhaust outlet section, and suction hole includes Suction gas inlet section, inspiratory limb and suction outlet section；First exhaust entrance, first exhaust section and first exhaust outlet section are sequentially communicated, second exhaust entrance, second exhaust section and second outlet exhaust section are sequentially communicated, Suction gas inlet section, inspiratory limb and suction outlet section are sequentially communicated, first exhaust entrance and second exhaust entrance are located at the opposite sides of valve plate body respectively, and dashpot, first exhaust outlet section and Suction gas inlet section are located at the same side of valve block ontology.
Description
Technical field
The utility model is related to compressor field more particularly to a kind of compressor valve boards.
Background technology
Compressor is the important component in refrigeration equipment, wherein cylinder, suction valve chip, valve plate, exhaust valve plate and gas
Cylinder cap is the main realization component of compressor air suction, degassing function, and suction valve chip, valve plate and exhaust valve plate are each provided at cylinder and gas
Between cylinder cap, valve plate is equipped with suction hole and gas vent, and the refrigerant of low pressure enters through suction hole and suction valve chip in cylinder, high
The refrigerant of pressure is discharged in cylinder head cavity through gas vent and exhaust valve plate out of cylinder, usually also set up air suction silencer with
Valve plate connects to reduce noise during compressor operating.Exhaust valve plate moves back and forth under the action of high-pressure refrigerant, with valve plate
It directly hits, exhaust valve plate generally includes flexible tongue corresponding with gas vent outlet port and exhaust valve plate pedestal, scratches
The root of property tongue is fixed on exhaust valve plate pedestal, and during compressor air-discharging, high-pressure refrigerant produces flexible tongue repeatedly
Raw pressure, flexible tongue are iteratively produced impact with valve plate, and flexible tongue is easily thrust.
201635963 U of Chinese patent Authorization Notice No. CN, authorized announcement date 2010.11.17, entitled " one kind is new
Type compressor valve board " discloses one kind and is equipped with and the corresponding secondary exhaust bloop of compressor air storing cavity on valve plate body
Novel compressor valve plate, wherein secondary exhaust bloop includes noise reduction air admission hole and diameter and is more than the noise reduction of noise reduction air admission hole to go out
Stomata, this valve plate noise is small, and power attenuation is small, but high-pressure refrigerant still has stronger impact force to entire flexible tongue,
The root of flexible tongue is easily thrust, and influences compressor performance.
Utility model content
The purpose of this utility model is to overcome deficiencies of the prior art, and exhaust valve plate can be protected by providing one kind,
Extend exhaust valve plate service life, improve the valve plate of compressor operating performance.
To achieve these goals, the utility model uses following technical scheme：
A kind of compressor valve board, including
Valve plate body, suction hole, first row stomata, second row stomata and dashpot, the suction hole, first row stomata,
Second row stomata and dashpot are each provided on valve plate body, first row stomata include first exhaust entrance, first exhaust section and
First exhaust outlet section, second row stomata include second exhaust entrance, second exhaust section and second exhaust outlet section, suction hole
Including Suction gas inlet section, inspiratory limb and suction outlet section；
The first exhaust entrance, first exhaust section and first exhaust outlet section are sequentially communicated, second exhaust entrance,
Second exhaust section and second outlet exhaust section are sequentially communicated, and Suction gas inlet section, inspiratory limb and suction outlet section are sequentially communicated, and first
Exhaust entrance section and second exhaust entrance are located at the opposite sides of valve plate body respectively, dashpot, first exhaust outlet section and
Suction gas inlet section is located at the same side of valve block ontology.During the utility model practical application, cylinder, suction valve chip, valve plate, air bleeding valve
Piece and cylinder cap are sequentially arranged, and in breathing process, low pressure refrigerant passes through Suction gas inlet section, inspiratory limb and suction outlet section successively,
Then the flexible tongue on open-top suction valve chip enters in cylinder, and in exhaust process, high-pressure refrigerant passes through successively from cylinder
First exhaust entrance, first exhaust section and first exhaust outlet section, the then flexible tongue on open-top exhaust valve plate, into cylinder
Lid, then successively by second exhaust entrance, second exhaust section and second outlet exhaust section, then by being set on cylinder block
Channel is discharged, and the outlet of Suction gas inlet section and air suction silencer reduces noise during compressor operating.In exhaust process,
During flexible tongue on the open-top exhaust valve plate of high-pressure refrigerant, partial high pressure refrigerant enters in dashpot, is formed to air bleeding valve
The reaction force of on piece flexibility tongue reduces impact force when being sprung back to flexible tongue, in case flexible tongue is thrust.
Preferably, the first exhaust entrance and first exhaust outlet section are in circular platform type, first exhaust entrance
Miner diameter end connected with one end of first exhaust section, the diameter of first exhaust entrance miner diameter end is equal to the straight of first exhaust section
Diameter, the miner diameter end of first exhaust outlet section are connected with the other end of first exhaust section, the diameter of first exhaust outlet section miner diameter end
Equal to the diameter of first exhaust section.The refrigerant of high pressure is when entering first row gas port entrance, due to first exhaust entrance
Gradually reduce in truncated cone-shaped, and along the diameter of discharge directions first exhaust entrance, refrigerant is made to be obtained before entering first exhaust section
To buffering, the pressure loss that gas and gas are brought is reduced, first exhaust outlet section also in circular platform type, reduces gas
The generation of turbulent flow reduces noise caused by cross section of fluid channel cataclysm, improves compressor efficiency.
Preferably, the valve plate body is equipped with exhaust annular groove, it is vented annular groove and dashpot is located at valve plate body
The same side, is vented annular groove and first row stomata is coaxially arranged, and exhaust annular groove is located at the outside of first exhaust outlet section.Exhaust
Annular groove is contacted with the flexible tongue on exhaust valve plate, during exhaust, when exhaust annular groove springs back to valve plate to flexible reed head
There is certain cushioning effect.
Preferably, the valve plate body is equipped with air-breathing annular groove, air-breathing annular groove and exhaust annular groove office valve plate
Ontology both sides, air-breathing annular groove and suction hole are coaxially arranged, and air-breathing annular groove is located at the outside of suction outlet section.Air-breathing annular groove
It is contacted with the flexible tongue on suction valve chip, during air-breathing, air-breathing annular groove has centainly when springing back to valve plate to flexible reed head
Cushioning effect.
Preferably, the rectangular in cross-section of the dashpot, and the area of section of dashpot by the notch of dashpot to slow
The slot bottom of jet-bedding gradually reduces.In exhaust process, when high-pressure refrigerant enters dashpot, the dashpot being so designed that is formed to row
The reaction force of flexible tongue on air valve plate, dashpot have ideal cushioning effect to the root of flexible tongue, prevent flexibility
Tongue is thrust.
Preferably, the valve plate body is rectangular, valve plate body is equipped with screw adjustment hole and several screws are installed
Hole, screw adjustment hole include the first semicircle orifice, rectangular opening and the second semicircle orifice, the first semicircle orifice, rectangular opening and the second semicircle orifice
It is sequentially communicated.Screw mounting hole is used for the fixation of the components such as valve plate and suction valve chip, exhaust valve plate, screw adjustment hole adjustable valve
The relative position of plate and other component ensures that valve plate and suction valve chip, exhaust valve plate etc. are accurately installed, Wu's screw is also avoided to adjust
The deformation of valve plate when hole is installed, improves compressor efficiency.
Preferably, the number of the screw mounting hole is 3, screw adjustment hole and screw mounting hole are located at valve plate respectively
The quadrangle of ontology.Coordinate the rectangular shape of valve plate body, effectively fix, avoid the very few positioning deficiency of screw mounting hole or spiral shell
Nail mounting hole excessively formed positioning.
The beneficial effects of the utility model are：High-pressure refrigerant forms the reaction force to exhaust valve plate in dashpot,
Cushion space is given, effective protection exhaust valve plate prevents it to be thrust.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the vertical view of the utility model；
Fig. 3 is the sectional view of A-A in Fig. 2；
Fig. 4 is the sectional view of B-B in Fig. 2；
Fig. 5 is the bottom view of the utility model；
Fig. 6 is the structure diagram of screw adjustment hole in the utility model.
In figure：Valve plate body 1, screw mounting hole 11, screw adjustment hole 12, the first semicircle orifice 121, rectangular opening 122, second
Semicircle orifice 123, suction hole 2, Suction gas inlet section 21, inspiratory limb 22, suction outlet section 23, first row stomata 3, first exhaust entrance
Section 31, first exhaust section 32, first exhaust outlet section 33, second row stomata 4, dashpot 5, exhaust annular groove 6, air-breathing annular groove
7。
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1 to Fig. 6, a kind of compressor valve board, including
Valve plate body 1, suction hole 2, first row stomata 3, second row stomata 4 and dashpot 5, the suction hole, first row
Stomata, second row stomata and dashpot are each provided on valve plate body, and first row stomata includes first exhaust entrance 31, first row
Gas section 32 and first exhaust outlet section 33, second row stomata go out including second exhaust entrance, second exhaust section and second exhaust
Mouth section, suction hole include Suction gas inlet section 21, inspiratory limb 22 and suction outlet section 23；
The first exhaust entrance, first exhaust section and first exhaust outlet section are sequentially communicated, second exhaust entrance,
Second exhaust section and second outlet exhaust section are sequentially communicated, and Suction gas inlet section, inspiratory limb and suction outlet section are sequentially communicated, and first
Exhaust entrance section and second exhaust entrance are located at the opposite sides of valve plate body respectively, dashpot, first exhaust outlet section and
Suction gas inlet section is located at the same side of valve block ontology.
In exhaust process, during flexible tongue on the open-top exhaust valve plate of high-pressure refrigerant, partial high pressure refrigerant enters slow
In jet-bedding, the reaction force to tongue flexible on exhaust valve plate is formed, reduces impact force when being sprung back to flexible tongue, in order to avoid scratch
Property tongue is thrust.
The first exhaust entrance and first exhaust outlet section in circular platform type, the miner diameter end of first exhaust entrance with
One end connection of first exhaust section, the diameter of first exhaust entrance miner diameter end are equal to the diameter of first exhaust section, first exhaust
The miner diameter end of outlet section is connected with the other end of first exhaust section, and the diameter of first exhaust outlet section miner diameter end is equal to first exhaust
The diameter of section；Valve plate body is equipped with exhaust annular groove 6, is vented annular groove and dashpot is located at valve plate body the same side, be vented
Annular groove and first row stomata are coaxially arranged, and exhaust annular groove is located at the outside of first exhaust outlet section；Valve plate body is equipped with
Air-breathing annular groove 7, air-breathing annular groove and exhaust annular groove office valve plate body both sides, air-breathing annular groove and the coaxial cloth of suction hole
It puts, air-breathing annular groove is located at the outside of suction outlet section；The rectangular in cross-section of dashpot, and the area of section of dashpot is by buffering
The slot bottom of the notch of slot to dashpot gradually reduces；Valve plate body is rectangular, if valve plate body be equipped with screw adjustment hole 12 and
A dry screw mounting hole 11, screw adjustment hole include the first semicircle orifice 121,122 and second semicircle orifice 123 of rectangular opening, and the first half
Circular hole, rectangular opening and the second semicircle orifice are sequentially communicated；The number of screw mounting hole is 3, screw adjustment hole and screw mounting hole
It is located at the quadrangle of valve plate body respectively.
The refrigerant of high pressure is when entering first row gas port entrance, since first exhaust entrance is in truncated cone-shaped, and edge
The diameter of discharge directions first exhaust entrance gradually reduces, and refrigerant is made to be buffered before entering first exhaust section, reduces gas
The pressure loss that stream pulsation and gas are brought, first exhaust outlet section also in circular platform type, reduce the generation of gas turbulence, drop
Noise caused by low cross section of fluid channel cataclysm improves compressor efficiency；Exhaust annular groove is contacted with the flexible tongue on exhaust valve plate,
During exhaust, exhaust annular groove has certain cushioning effect when springing back to valve plate to flexible reed head；Air-breathing annular groove and air-breathing
Flexible tongue contact on valve block, during air-breathing, air-breathing annular groove has certain buffering when springing back to valve plate to flexible reed head
Effect；In exhaust process, when high-pressure refrigerant enters dashpot, the dashpot being so designed that is formed to the flexibility on exhaust valve plate
The reaction force of tongue, dashpot have ideal cushioning effect to the root of flexible tongue, and flexible tongue is prevented to be thrust；Screw
Mounting hole is used for the fixation of the components such as valve plate and suction valve chip, exhaust valve plate, and valve plate and other component is adjusted in screw adjustment hole
Relative position, ensure valve plate and suction valve chip, exhaust valve plate etc. accurately install, also avoid Wu's screw adjustment hole installation when valve plate
Deformation, improve compressor efficiency；The rectangular shape of the number cooperation valve plate body of screw mounting hole, effectively fix, keeps away
The very few positioning of screwless mounting hole is insufficient or screw mounting hole excessively formed positioning.
The beneficial effects of the utility model are：High-pressure refrigerant forms the reaction force to exhaust valve plate in dashpot,
Cushion space is given, effective protection exhaust valve plate prevents it to be thrust.
Claims (7)
1. a kind of compressor valve board, it is characterized in that, including
Valve plate body, suction hole, first row stomata, second row stomata and dashpot, the suction hole, first row stomata, second
Gas vent and dashpot are each provided on valve plate body, and first row stomata includes first exhaust entrance, first exhaust section and first
Air exit section, second row stomata include second exhaust entrance, second exhaust section and second exhaust outlet section, suction hole and include
Suction gas inlet section, inspiratory limb and suction outlet section；
The first exhaust entrance, first exhaust section and first exhaust outlet section are sequentially communicated, second exhaust entrance, second
Exhaust section and second outlet exhaust section are sequentially communicated, and Suction gas inlet section, inspiratory limb and suction outlet section are sequentially communicated, first exhaust
Entrance and second exhaust entrance are located at the opposite sides of valve plate body, dashpot, first exhaust outlet section and air-breathing respectively
Entrance is located at the same side of valve block ontology.
2. a kind of compressor valve board according to claim 1, it is characterized in that, the first exhaust entrance and first exhaust
Outlet section is in circular platform type, and the miner diameter end of first exhaust entrance is connected with one end of first exhaust section, first exhaust entrance
The diameter of miner diameter end is equal to the diameter of first exhaust section, and the miner diameter end of first exhaust outlet section connects with the other end of first exhaust section
Logical, the diameter of first exhaust outlet section miner diameter end is equal to the diameter of first exhaust section.
3. a kind of compressor valve board according to claim 1 or 2, it is characterized in that, the valve plate body is equipped with air exhaust loop
Shape slot, is vented annular groove and dashpot is located at valve plate body the same side, is vented annular groove and first row stomata is coaxially arranged, exhaust
Annular groove is located at the outside of first exhaust outlet section.
4. a kind of compressor valve board according to claim 1 or 2, it is characterized in that, the valve plate body is equipped with suction ring
Shape slot, air-breathing annular groove and exhaust annular groove office valve plate body both sides, air-breathing annular groove and suction hole are coaxially arranged, suction ring
Shape slot is located at the outside of suction outlet section.
5. a kind of compressor valve board according to claim 1 or 2, it is characterized in that, the rectangular in cross-section of the dashpot, and
The area of section of dashpot is gradually reduced by the slot bottom of notch to the dashpot of dashpot.
6. a kind of compressor valve board according to claim 1, it is characterized in that, the valve plate body is rectangular, valve plate body
Screw adjustment hole and several screw mounting holes are equipped with, screw adjustment hole includes the first semicircle orifice, rectangular opening and the second semicircle
Hole, the first semicircle orifice, rectangular opening and the second semicircle orifice are sequentially communicated.
7. a kind of compressor valve board according to claim 6, it is characterized in that, the number of the screw mounting hole is 3, spiral shell
Follow closely the quadrangle that adjustment hole and screw mounting hole are located at valve plate body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721369917.4U CN207485637U (en) | 2017-10-23 | 2017-10-23 | A kind of compressor valve board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721369917.4U CN207485637U (en) | 2017-10-23 | 2017-10-23 | A kind of compressor valve board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207485637U true CN207485637U (en) | 2018-06-12 |
Family
ID=62481034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721369917.4U Active CN207485637U (en) | 2017-10-23 | 2017-10-23 | A kind of compressor valve board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207485637U (en) |
-
2017
- 2017-10-23 CN CN201721369917.4U patent/CN207485637U/en active Active
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