CN209041067U - Lift stopper, valve board assembly, cylinder head assembly and the compressor of compressor - Google Patents
Lift stopper, valve board assembly, cylinder head assembly and the compressor of compressor Download PDFInfo
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- CN209041067U CN209041067U CN201821949095.1U CN201821949095U CN209041067U CN 209041067 U CN209041067 U CN 209041067U CN 201821949095 U CN201821949095 U CN 201821949095U CN 209041067 U CN209041067 U CN 209041067U
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Abstract
The utility model discloses a kind of for the lift stopper of compressor, valve board assembly, cylinder head assembly and compressor, compressor includes gas vent and the exhaust valve plate for switching gas vent, lift stopper includes limiting section, limiting section has the confined planes for backstop exhaust valve plate, confined planes include center face and expansion stream interface portion, center face and gas vent face, expand stream interface portion and be located at at least side in the width direction of center face, extends along the direction that direction, expansion stream interface portion far from center face are directed away from exhaust valve plate.Lift stopper according to the present utility model for compressor realizes the maximum opening of limit exhaust valve plate and reduces exhaust resistance, reduces the balance between discharge loss, and structure is simple, has good operability.
Description
Technical field
The utility model relates to Compressor Technology fields, more particularly, to a kind of lift stopper for compressor, valve
Board group part, cylinder head assembly and compressor.
Background technique
In full-sealed reciprocating compressor, lift stopper plays fixed exhaust valve plate and limits exhaust valve plate and most rises higher
The effect of journey.When compressor operation exhaust, the pressure in cylinder is larger, and exhaust valve plate is opened under the action of pressure at both sides difference
It opens, if exhaust valve plate aperture is larger at this time, being reset to lid, to close suffered counterattack stress when gas vent accordingly larger, on the one hand
It is easy that exhaust valve plate is made to generate fatigue fracture, another aspect exhaust valve plate slap valve plate is easy to produce noise source.In addition, exhaust valve
Timely reset is difficult to ensure when the aperture of piece is larger, two sides pressure-difference fluctuation is easy to produce reflux, influences the performance of compressor.
Meanwhile the presence of lift stopper can additionally increase exhaust resistance, influence the exhaust of compressor to a certain extent
Efficiency.To promote the exhaust efficiency of compressor, further means that and need to reduce the limit to the maximum opening of exhaust valve plate, this is aobvious
It is not inconsistent with the original intention for adding lift stopper so.
In the related technology, the lift stopper in compressor is difficult to maximum opening and reduction exhaust in limit exhaust valve plate
Balance is obtained between resistance, reduction discharge loss.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model
One purpose is to propose that a kind of lift stopper for compressor, the lift stopper realize limit exhaust valve plate
Balance between maximum opening and reduction exhaust resistance, reduction discharge loss, and structure is simple, has good operability.
Another purpose of the utility model is to propose a kind of valve board assembly with above-mentioned lift stopper.
Another purpose of the utility model is to propose a kind of cylinder head assembly with above-mentioned lift stopper.
The further object of the utility model is to propose a kind of compressor with above-mentioned lift stopper.
According to the lift stopper for compressor of the utility model first aspect embodiment, the compressor includes row
Stomata and exhaust valve plate for switching the gas vent, the lift stopper includes: limiting section, and the limiting section, which has, to be used
The confined planes of the exhaust valve plate described in backstop, the confined planes include center face and expand stream interface portion, center face and institute
Gas vent face is stated, the expansion stream interface portion is located at at least side in the width direction of the center face, along far from described
The direction of center face, the direction extension expanded stream interface portion and be directed away from the exhaust valve plate.
According to the lift stopper for compressor of the utility model embodiment, pass through the width direction in center face
On at least side setting expand stream interface portion, and make along far from center face direction, expansion stream interface portion be directed away from exhaust valve
The direction of piece extends, so that when lift stopper is applied to compressor, realizing the maximum opening for limiting exhaust valve plate and reduction
Balance between exhaust resistance, reduction discharge loss, had not only limited the maximum opening of exhaust valve plate, but also reduce discharge loss,
It ensure that the exhaust performance of compressor, and lift stopper structure is simple, there is good operability.
Some embodiments according to the present utility model, the two sides of the center face are equipped with the expansion stream interface portion.
Some embodiments according to the present utility model, the expansion stream interface portion positioned at center face two sides is about described
The setting of center face axial symmetry.
Some embodiments according to the present utility model, the maximum width of the width W0 for expanding stream interface portion and the limiting section
W meets relationship: W/4≤W0 < W/2.
Some embodiments according to the present utility model, the center face are plane, and the expansions stream interface portion is curved surface, and institute
It states expansion stream interface portion and smoothly transits with the center face and be connected.
Some embodiments according to the present utility model, the center face are plane, and the expansions stream interface portion is inclined-plane, and institute
It states expansion stream interface portion and smoothly transits with the center face and be connected.
Some embodiments according to the present utility model, the center face are curved surface, and the expansions stream interface portion is curved surface, and institute
It states expansion stream interface portion and smoothly transits with the center face and be connected.
Some embodiments according to the present utility model, the center face are curved surface, and the expansions stream interface portion is inclined-plane, and institute
It states expansion stream interface portion and smoothly transits with the center face and be connected.
Some embodiments according to the present utility model, the stream interface portion that expands extend along the length direction of the limiting section, and
The equal length of the development length for expanding stream interface portion and the limiting section.
According to the valve board assembly of the utility model second aspect embodiment, comprising: valve plate is formed with exhaust on the valve plate
Hole；Exhaust valve plate, the exhaust valve plate are located on the valve plate to open or close the gas vent；Lift stopper, it is described
Lift stopper is the lift stopper for compressor according to the above-mentioned first aspect embodiment of the utility model, the lift
Limiter is located at the side far from the valve plate of the exhaust valve plate, and the lift stopper further includes mounting portion, the peace
The lift stopper is installed on the valve plate by dress portion.
Limit row is realized by using above-mentioned lift stopper according to the valve board assembly of the utility model embodiment
Balance between the maximum opening and reduction exhaust resistance, reduction discharge loss of air valve plate, had both limited the maximum of exhaust valve plate
Aperture in turn ensures exhaust efficiency.
According to the cylinder head assembly of the utility model third aspect embodiment, comprising: valve plate, the row of being formed on the valve plate
Stomata；Exhaust valve plate, the exhaust valve plate are located at the side of the valve plate to open or close the gas vent；Cylinder head, institute
The side far from the valve plate that cylinder head is located at the exhaust valve plate is stated, is limited in the cylinder head integrally formed with lift
Device, the lift stopper are the lift stopper for compressor according to the above-mentioned first aspect embodiment of the utility model.
Limit is realized by using above-mentioned lift stopper according to the cylinder head assembly of the utility model embodiment
Balance between the maximum opening and reduction exhaust resistance, reduction discharge loss of exhaust valve plate, had both limited exhaust valve plate most
Big aperture, in turn ensures exhaust efficiency.
According to the compressor of the utility model fourth aspect embodiment, including gas vent, for switching the gas vent
Exhaust valve plate and the lift stopper for compressor according to the above-mentioned first aspect embodiment of the utility model.
Limit exhaust is realized by using above-mentioned lift stopper according to the compressor of the utility model embodiment
Balance between the maximum opening and reduction exhaust resistance, reduction discharge loss of valve block, the maximum for both having limited exhaust valve plate are opened
Degree, in turn ensures the exhaust performance of compressor.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the lift stopper of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the lift stopper of the utility model another embodiment；
Fig. 3 is the explosive view according to the valve board assembly of the utility model embodiment；
Fig. 4 is the partial structural diagram of valve board assembly shown in Fig. 3；
Fig. 5 is the explosive view according to the cylinder head assembly of the utility model embodiment；
Fig. 6 is the structural schematic diagram of cylinder head shown in Fig. 5；
Fig. 7 is another explosive view of cylinder head assembly shown in Fig. 5；
Fig. 8 is the cross-sectional view of cylinder head assembly shown in Fig. 5.
Appended drawing reference:
Valve board assembly 200,
First valve plate 103, first row stomata 1031, suction hole 1032, mounting hole 1033, first exhaust valve block 104, cylinder
Cap assemblies 300,
Second valve plate 201, second row stomata 2011, second exhaust valve block 202, cylinder head 203, suction chamber 203a, exhaust
Chamber 203b, positioning screw hole 203c, cylinder gasket 204,
Lift stopper 100,
Limiting section 1, confined planes 10, center face 101, expand stream interface portion 102,
Mounting portion 2, rivet 20, rivet hole 21, mounting surface 22.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to Fig. 1-Fig. 8 description according to the lift stopper 100 for compressor of the utility model embodiment.
As Figure 1-Figure 8, according to the lift stopper 100 for compressor of the utility model embodiment, including limit
Position portion 1.
Compressor includes the gas vent (second exhaust for example, the first row stomata 1031 in Fig. 3 and Fig. 4, in Fig. 5 and Fig. 8
Hole 2011) and for switching gas vent exhaust valve plate (for example, the first exhaust valve block 104 in Fig. 3 and Fig. 4, Fig. 5, Fig. 7 and
Second exhaust valve block 202 in Fig. 8), limiting section 1 has the confined planes 10 for backstop exhaust valve plate, during confined planes 10 include
Heart face 101 and expansion stream interface portion 102, center face 101 and gas vent face, expand the width that stream interface portion 102 is located at center face 101
At least side on direction is spent, the side of exhaust valve plate is directed away from along direction, expansion stream interface portion 102 far from center face 101
To extension.
For example, as Figure 1-Figure 8, exhaust valve plate can be located at gas vent to open or close gas vent, limiting section 1
The side surface towards exhaust valve plate can be confined planes 10, gas vent can correspond to one end of the length direction of confined planes 10
Setting, center face 101 can be located at one end of the length direction of confined planes 10, and center face 101 can be along confined planes 10
Length direction extend, that is to say, that the development length of center face 101 can be less than or equal to confined planes 10 length；Expand
Stream interface portion 102 can be located at one end of the length direction of confined planes 10 to correspond to gas vent setting, and expanding stream interface portion 102 can be along limit
The length direction of plane 10 extends, and expands side that stream interface portion 102 can be located in the width direction of center face 101, can also be with
The two sides in the width direction of center face 101 are located at, and on the direction of the central axis far from center face 101,
Expand the direction extension that stream interface portion 102 is directed away from exhaust valve plate.
When compressor is run, the pressure in cylinder increases, so that the pressure difference for acting on exhaust valve plate two sides increases, exhaust valve
Piece stress opens up gas vent and a part of exhaust valve plate is contacted with center face 101 first, so that exhaust valve plate is in
Under the position-limiting action of heart face 101, the maximum lift of exhaust valve plate suffer restraints, on the one hand effectively reduce exhaust valve plate reset
Counterattack stress suffered by slap valve plate, improves the use reliability of exhaust valve plate when closing gas vent, reduces exhaust valve plate and claps
The noise of valve plate generation is hit, another timely reset that conveniently ensure that exhaust valve plate reduces reflux, increase pressure to close gas vent
The refrigerating capacity of contracting machine guarantees the performance of compressor；At this point, exhaust valve plate to be to reach maximum opening, and exhaust valve plate not with expansion
Stream interface portion 102 contacts, if exhaust valve plate continues the effect by exhaust impact force, exhaust valve plate can generate bending deformation, is vented
The part of valve block not contacted with confined planes 10 generates bending deformation, such as the width side along center face 101 of exhaust valve plate
To at least side can be directed away from exhaust valve plate direction be bent so that the part of exhaust valve plate not contacted with confined planes 10
Such as the marginal portion deformation of exhaust valve plate, to increase exhaust clearance, reduces compressor to contact with expansion stream interface portion 102
Exhaust resistance, reduce the discharge loss of compressor, improve the exhaust performance and exhaust efficiency of compressor, hereby it is achieved that
The maximum opening of limit exhaust valve plate and reduces exhaust resistance, reduces the balance between discharge loss.
Here, it should be noted that " width direction of center face 101 " can be flat with the width direction of confined planes 10
Row, confined planes 10 can have length direction and width direction, the size of confined planes 10 in the width direction can be less than or
Equal to the size on 10 length direction of confined planes；" central axis of center face 101 " can refer to by center face 101
The heart and at the center of center face 101 with the facial 101 vertical straight lines in center；" one end of the length direction of confined planes 10 "
It can refer to the partial region face of length direction one end of confined planes 10.
According to the lift stopper 100 for compressor of the utility model embodiment, pass through the width in center face 101
Stream interface portion 102 is expanded in at least side setting spent on direction, and makes along direction, expansion stream interface portion 102 far from center face 101
The direction for being directed away from exhaust valve plate extends, so that when lift stopper 100 is applied to compressor, realizing limit exhaust valve plate
Maximum opening and reduce exhaust resistance, reduce discharge loss between balance, not only limited the maximum opening of exhaust valve plate, but also
Discharge loss is reduced, ensure that the exhaust performance of compressor, and 100 simple structure and convenient processing of lift stopper, is had good
Good operability, practicability and applicability.
It is understood that round-corner transition can be passed through by expanding between stream interface portion 102 and the peripheral wall of limiting section 1.
In some alternative embodiments of the utility model, as depicted in figs. 1 and 2, the two sides of center face 101 are equipped with
Expand stream interface portion 102, that is to say, that expanding stream interface portion 102 can be two, and two expansion stream interface portions 102 can be located at center
Face 101 width direction two sides, thus when exhaust valve plate with expansion stream interface portion 102 contact when, the two sides of center face 101 it is equal
There is air-flow, avoids generating abnormal sound or vibration.
In other alternative embodiments of the utility model, expand the side that stream interface portion 102 is only defined center face 101,
That is, expanding stream interface portion 102 can be one, and the expansion stream interface portion 102 can be located at the facial 101 width direction two sides in center
In wherein side, equally may be implemented limit exhaust valve plate maximum opening and reduce exhaust resistance, reduce discharge loss it
Between balance.
Specifically, the expansion stream interface portion 102 positioned at facial 101 two sides in center is about the facial 101 axial symmetry setting in center, also
It is to say, the expansion stream interface portion 102 positioned at facial 101 two sides in center can be symmetrical arranged about the central axis of center face 101, example
Expansion stream interface portion 102 such as in the width direction of center face 101, positioned at facial 101 two sides in center can be about center face
101 central axis is symmetrical arranged, so that confined planes 10 have good regularity, it is easy to process, and while center face 101 is wide
The air-flow for spending direction two sides substantially balanced can flow, and further avoid and generate abnormal sound or vibration.
Optionally, the maximum width W of the width W0 and limiting section 1 that expand stream interface portion 102 meet relationship: W/4≤W0 < W/2,
That is, in the width direction of center face 101, expand stream interface portion 102 width W0 and limiting section 1 maximum width W it
Between meet W/4≤W0 < W/2, thus ensure that exhaust valve plate with expand the corresponding part in stream interface portion 102 and connect with stream interface portion 102 is expanded
Exhaust clearance when touching effectively reduces the exhaust resistance and discharge loss of compressor.For example, the width W0 for expanding stream interface portion 102 can
It is W/4 or W/3 or 2*W/5 etc. with value.Wherein, the maximum width W of limiting section 1 can be more than or equal to confined planes 10
Maximum width.
It is understood that on the length direction of confined planes 10, expand stream interface portion 102 width can be invariable
Numerical value or the numerical value of variation；The width WO for expanding stream interface portion 102 can refer to the maximum width for expanding stream interface portion 102.
In some embodiments of the utility model, as shown in Fig. 2, center face 101 is plane, expanding stream interface portion 102 is
Curved surface, and expansion stream interface portion 102 smoothly transits with center face 101 and is connected, structure is simple, is easy to implement, and expands stream interface portion 102 and have
There is good design flexibility, to meet the different demands of practical application.
Specifically, when exhaust valve plate opens gas vent with 10 first contacts of confined planes, exhaust valve plate can be with median plane
Portion 101 contacts, and then can be face contact between exhaust valve plate and center face 101 since center face 101 is plane, can be with
Reduce the panting stress that exhaust valve plate is subject to；If exhaust valve plate continues the effect by exhaust impact force so that exhaust valve plate occurs
The marginal portion of bending deformation, exhaust valve plate can be contacted with stream interface portion 102 is expanded, and be curved surface due to expanding stream interface portion 102, so that expanding
Stream interface portion 102 can preferably cooperate with the exhaust valve plate that occurs bending and deformation, thus expand stream interface portion 102 can preferably with row
Air valve plate is contacted to limit exhaust clearance, while being expanded and being can have certain contact area between stream interface portion 102 and exhaust valve plate,
It avoids exhaust valve plate from generating fatigue fracture, promotes the use reliability of exhaust valve plate.Wherein, expand stream interface portion 102 and center face
101 smoothly transit connected, avoid the junction expanded between stream interface portion 102 and center face 101 and are excessively sharp and destroy exhaust
Valve block.
For example, expanding the one or both sides that stream interface portion 102 can be located at center face 101, when the two sides of center face 101 are equal
When equipped with expanding stream interface portion 102, two expansion stream interface portions 102 can be all formed as curved surface；Wherein, expanding stream interface portion 102 can be with center
Face 101 is tangent, can also be smoothly transitted respectively by fillet with center face 101 is connected.
In other embodiments of the utility model, center face 101 is plane, and expansion stream interface portion 102 is inclined-plane, and is expanded
Stream interface portion 102 smoothly transits with center face 101 to be connected, and structure is simple, is easy to implement.
Specifically, when exhaust valve plate opens gas vent with 10 first contacts of confined planes, exhaust valve plate can be with median plane
Portion 101 contacts, and then can be face contact between exhaust valve plate and center face 101 since center face 101 is plane, can be with
Reduce the panting stress that exhaust valve plate is subject to；If exhaust valve plate continues the effect by exhaust impact force so that exhaust valve plate occurs
The marginal portion of bending deformation, exhaust valve plate can be contacted with stream interface portion 102 is expanded, to reduce discharge loss, due to expanding stream interface portion
102 be inclined-plane, so that it is simple, further easy to process to expand 102 structure of stream interface portion.Wherein, expand stream interface portion 102 and center face
101 smoothly transit connected, avoid the junction expanded between stream interface portion 102 and center face 101 and are excessively sharp and destroy exhaust
Valve block.
For example, expanding the one or both sides that stream interface portion 102 can be located at center face 101, when the two sides of center face 101 are equal
When equipped with expanding stream interface portion 102, two expansion stream interface portions 102 can be all formed as curved surface；Wherein, circle can be passed through by expanding stream interface portion 102
Angle smoothly transits with center face 101 to be connected.
In the other embodiment of the utility model, as shown in Figure 1, center face 101 is curved surface, expand stream interface portion 102
For curved surface, and expand stream interface portion 102 and smoothly transit with center face 101 and be connected, structure simply, be easy to implement, and center face 101
Good design flexibility is all had with stream interface portion 102 is expanded, allows center face 101 and expansion stream interface portion 102 respectively at row
Air valve plate preferably cooperates.
Specifically, when exhaust valve plate opens gas vent with 10 first contacts of confined planes, exhaust valve plate can be with median plane
Portion 101 contacts, and since center face 101 is curved surface, then can contact, play for line between exhaust valve plate and center face 101
Limit the effect of exhaust valve plate maximum opening；If exhaust valve plate continues the effect by exhaust impact force so that exhaust valve plate occurs
The marginal portion of bending deformation, exhaust valve plate can be contacted with stream interface portion 102 is expanded, and be curved surface due to expanding stream interface portion 102, so that expanding
Stream interface portion 102 can preferably cooperate with the exhaust valve plate that occurs bending and deformation, thus expand stream interface portion 102 can preferably with row
Air valve plate is contacted to limit exhaust clearance, while being expanded and being can have certain contact area between stream interface portion 102 and exhaust valve plate,
It avoids exhaust valve plate from generating fatigue fracture, promotes the use reliability of exhaust valve plate.Wherein, expand stream interface portion 102 and center face
101 smoothly transit connected, avoid the junction expanded between stream interface portion 102 and center face 101 and are excessively sharp and destroy exhaust
Valve block.
For example, expanding the one or both sides that stream interface portion 102 can be located at center face 101, when the two sides of center face 101 are equal
When equipped with expanding stream interface portion 102, two expansion stream interface portions 102 can be all formed as curved surface；Wherein, expanding stream interface portion 102 can be with center
Face 101 is tangent, can also be smoothly transitted respectively by fillet with center face 101 is connected.It is understood that center is facial
101 can be formed as same type of curved surface with stream interface portion 102 is expanded, such as center face 101 can be formed as spherical surface, expand stream interface
Portion 102 can also be formed as spherical surface, and the radius of the corresponding spherical surface of center face 101 can spherical surface corresponding with stream interface portion 102 is expanded at this time
Radius it is equal.
In the still other embodiments of the utility model, center face 101 is curved surface, and expansion stream interface portion 102 is inclined-plane, and is expanded
Stream interface portion 102 smoothly transits with center face 101 to be connected, and structure is simple, is easy to implement, and center face 101 is with good
Design flexibility, to meet the different demands of practical application.
Specifically, when exhaust valve plate opens gas vent with 10 first contacts of confined planes, exhaust valve plate can be with median plane
Portion 101 contacts, and since center face 101 is curved surface, then can contact, play for line between exhaust valve plate and center face 101
Limit the effect of exhaust valve plate maximum opening；If exhaust valve plate continues the effect by exhaust impact force so that exhaust valve plate occurs
The marginal portion of bending deformation, exhaust valve plate can be contacted with stream interface portion 102 is expanded, to reduce discharge loss, due to expanding stream interface portion
102 be inclined-plane, so that it is simple, further easy to process to expand 102 structure of stream interface portion.Wherein, expand stream interface portion 102 and center face
101 smoothly transit connected, avoid the junction expanded between stream interface portion 102 and center face 101 and are excessively sharp and destroy exhaust
Valve block.
For example, expanding the one or both sides that stream interface portion 102 can be located at center face 101, when the two sides of center face 101 are equal
When equipped with expanding stream interface portion 102, two expansion stream interface portions 102 can be all formed as curved surface；Wherein, expanding stream interface portion 102 can be with center
Face 101 is tangent, can also be smoothly transitted respectively by fillet with center face 101 is connected.
It is understood that two are expanded stream interface portion 102 when the two sides of center face 101 are equipped with and expand stream interface portion 102
One of them can be formed as inclined-plane, another can be formed as curved surface.
Optionally, above-mentioned " curved surface " may include in cambered surface (including arc surface and elliptical arc surface), paraboloid, hyperboloid etc.
At least one；When expanding stream interface portion 102 is curved surface, expanding stream interface portion 102 can set towards close to the direction of exhaust valve plate protrusion
It sets, when center face 101 is curved surface, center face 101 can protrude setting towards the direction close to exhaust valve plate.
In some embodiments of the utility model, as depicted in figs. 1 and 2, expand stream interface portion 102 along the length of limiting section 1
Direction extends, and expands the development length in stream interface portion 102 and the equal length of limiting section 1, allows and expands stream interface portion 102 preferably
Bending deformation with exhaust valve plate matches, and discharge loss is effectively reduced, and the development length of center face 101 can also be at this time
The equal length of limiting section 1.
Here, it should be noted that " length direction of limiting section 1 " can be parallel with the length direction of confined planes 10.
It is understood that the development length for expanding stream interface portion 102 can be equal with the development length of center face 101 or not
It is equal；The development length for expanding stream interface portion 102 can also be unequal with the length of limiting section 1, such as the extension in expansion stream interface portion 102 is long
Degree can be less than the length of limiting section 1, and the development length for expanding stream interface portion 102 at this time can be specifically arranged according to actual needs, example
The development length for such as expanding stream interface portion 102 can be greater than or equal to size of the gas vent on 1 length direction of limiting section.
According to the valve board assembly 200 of the utility model second aspect embodiment, including valve plate (for example, in Fig. 3 and Fig. 4
First valve plate 103), exhaust valve plate (for example, first exhaust valve block 104 in Fig. 3 and Fig. 4) and lift stopper 100, wherein
Lift stopper 100 is the lift stopper 100 for compressor according to the above-mentioned first aspect embodiment of the utility model.
Gas vent (for example, first row stomata 1031 in Fig. 3 and Fig. 4) is formed on valve plate, exhaust valve plate is located at valve plate
On to open or close gas vent, lift stopper 100 is located at the side of the separate valve plate of exhaust valve plate, lift stopper 100
It further include mounting portion 2, lift stopper 100 is installed on valve plate by mounting portion 2.For example, as shown in Figure 3 and Figure 4, gas vent can be with
Thickness direction along valve plate runs through valve plate, and exhaust valve plate is located at gas vent to open or close gas vent, lift stopper 100
Corresponding exhaust valve plate is arranged to limit the maximum opening of exhaust valve plate；Mounting portion 2 is connected with each other with limiting section 1, and mounting portion 2 can
One end of the separate gas vent on length direction to be connected to limiting section 1 could be formed with rivet hole 21 on mounting portion 2 with logical
It crosses rivet 20 and is riveted on the installation for realizing lift stopper 100 on valve plate.
It is realized according to the valve board assembly 200 of the utility model embodiment by using above-mentioned lift stopper 100
It limits the maximum opening of exhaust valve plate and reduces exhaust resistance, reduce the balance between discharge loss, both limit exhaust valve plate
Maximum opening, in turn ensure exhaust efficiency.
According to the cylinder head assembly 300 of the utility model third aspect embodiment, including valve plate is (for example, in Fig. 5 and Fig. 8
The second valve plate 201), exhaust valve plate (for example, second exhaust valve block 202 in Fig. 5 and Fig. 8) and cylinder head 203, wherein rise
Journey limiter 100 is the lift stopper 100 for compressor according to the above-mentioned first aspect embodiment of the utility model.
Gas vent (for example, second row stomata 2011 in Fig. 5 and Fig. 8) is formed on valve plate, exhaust valve plate is located at valve plate
Side to open or close gas vent, cylinder head 203 is located at the side of the separate valve plate of exhaust valve plate, one in cylinder head 203
It is body formed to have lift stopper 100.For example, as shown in Figure 5-Figure 8, gas vent can run through valve plate along the thickness direction of valve plate,
Exhaust valve plate is located at the side of the close cylinder head 203 of valve plate to open or close gas vent, and cylinder head 203 can be with valve plate phase
Even so that the corresponding exhaust valve plate of lift stopper 100 is arranged to limit the maximum opening of exhaust valve plate；Cylinder head 203 and lift limit
Position device 100 is integrally formed, and without separately setting lift stopper 100 on valve plate, is reduced the component of cylinder head 203, is promoted
The packaging efficiency of cylinder head 203.
It could be formed with suction chamber 203a and discharge chamber 203b in cylinder head 203, to realize the suction of cylinder head assembly 300
Gas, exhaust；It is the rectangular of fillet that cylinder head 203, which can be generally formed into surrounding, and four corners are all formed as positioning screw hole 203c,
In order to realize the assembling of cylinder assembly 300；Cylinder gasket 204 is equipped between exhaust valve plate and cylinder head 203, to guarantee cylinder
The leakproofness of cap assemblies 300.
It is realized according to the cylinder head assembly 300 of the utility model embodiment by using above-mentioned lift stopper 100
The maximum opening of limit exhaust valve plate and reduce exhaust resistance, reduce the balance between discharge loss, both limits exhaust valve
The maximum opening of piece, in turn ensures exhaust efficiency.
According to the compressor of the utility model fourth aspect embodiment, including gas vent (for example, first in Fig. 3 and Fig. 4
Gas vent 1031, the second row stomata 2011 in Fig. 5 and Fig. 8), the exhaust valve plate for switching gas vent is (for example, Fig. 3 and Fig. 4
In first exhaust valve block 104, the second exhaust valve block 202 in Fig. 5, Fig. 7 and Fig. 8) and according to the utility model above-mentioned first
The lift stopper 100 for compressor of aspect embodiment, lift stopper 100 can be correspondingly arranged to limit with exhaust valve plate
The maximum opening of exhaust valve plate processed.
It is understood that lift stopper 100 can be separately formed and be mounted on the component of compressor, such as rise
Journey limiter 100 may be mounted on valve plate (the first valve plate 103 in such as Fig. 3 and Fig. 4), also may be mounted at compressor its
His component such as bearing etc.；Lift stopper 100 can also be integrally formed on the component of compressor, such as lift stopper
100 can be integrally formed in cylinder head 203 (cylinder head 203 in such as figure 5-8), and lift stopper 100 can not at this time
Including mounting portion 2, the structure of lift stopper 100 is further simplified.But not limited to this.
Limit row is realized by using above-mentioned lift stopper 100 according to the compressor of the utility model embodiment
Balance between the maximum opening and reduction exhaust resistance, reduction discharge loss of air valve plate, had both limited the maximum of exhaust valve plate
Aperture in turn ensures the exhaust performance of compressor.
According to other compositions of the compressor of the utility model embodiment and operate for those of ordinary skill in the art
For be all it is known, be not detailed herein.
It is used for two specific embodiment detailed descriptions according to the utility model embodiment below with reference to Fig. 1 and Fig. 2
The lift stopper 100 of compressor.It is worth understanding, it is described below to be merely illustrative, rather than to utility model
Concrete restriction.
Embodiment one
In the present embodiment, compressor includes suction hole (for example, suction hole 1032 in Fig. 3), gas vent and for opening
The exhaust valve plate of gas vent is closed, as shown in Figure 1, lift stopper 100 includes limiting section 1 and mounting portion 2, lift stopper 100
The side towards exhaust valve plate be formed with boss, boss is between limiting section 1 and mounting portion 2, so that the direction of mounting portion 2
The side towards exhaust valve plate at interval and limiting section 1 between a side surface (i.e. mounting surface 22) for exhaust valve plate and gas vent
Interval between surface and gas vent is different, and can be by round-corner transition between limiting section 1 and mounting portion 2, and mounting surface 22 can
It is loosened with being formed as plane to avoid lift stopper 100, guarantees the installation reliability of lift stopper 100；Mounting portion 2
Upper formation is correspondingly formed as two mounting holes 1033 there are two rivet hole 21 on valve plate, so as to will by two rivets 20
Mounting portion 2 is mounted on valve plate, and exhaust valve plate equally realizes the peace of exhaust valve plate between mounting portion 2 and valve plate at this time
Dress.
Limiting section 1 has the confined planes 10 for backstop exhaust valve plate, and confined planes 10 are formed as continuous curve surface and confined planes
10 can be formed as spherical surface, and confined planes 10 protrude setting towards the direction close to exhaust valve plate；Confined planes 10 include center face
101 are all formed as curved surface with expansion stream interface portion 102, center face 101 and expansion stream interface portion 102, and center facial 101 and gas vent are just
It is right, expand the two sides that stream interface portion 102 is located in the width direction (example as shown in figure 1 the direction where Y-axis) of center face 101, and two
A central axis for expanding stream interface portion 102 in the Y direction about center face 101 is symmetrical, center face 101 and expansion stream interface portion 102
Extend along the length direction of limiting section 1 (example as shown in figure 1 the direction where X-axis), and expands the development length and limit in stream interface portion 102
The equal length of the equal length in position portion 1, the development length of center face 101 and limiting section 1；Limiting section 1 length direction,
The direction bending extension that confined planes 10 are directed away from one end of mounting portion 2, are directed away from exhaust valve plate, so that confined planes 10 are in length
The shape for opening gas vent with exhaust valve plate stress on degree direction is adapted, such as the radian of confined planes 10 in the longitudinal direction can
It is similar to open the radian of gas vent to exhaust valve plate stress.
Wherein, along direction, two sides for expanding stream interface portion 102 and being directed away from exhaust valve plate far from center face 101
To extension.When compressor is run, the pressure in cylinder increases, so that the pressure difference for acting on exhaust valve plate two sides increases, exhaust valve
Piece stress opens up gas vent and a part of exhaust valve plate is contacted with center face 101 first, so that exhaust valve plate is in
Under the position-limiting action of heart face 101, the maximum lift of exhaust valve plate suffer restraints, on the one hand effectively reduce exhaust valve plate reset
Counterattack stress suffered by slap valve plate, improves the use reliability of exhaust valve plate when closing gas vent, reduces exhaust valve plate and claps
The noise of valve plate generation is hit, another timely reset that conveniently ensure that exhaust valve plate reduces reflux, increase pressure to close gas vent
The refrigerating capacity of contracting machine guarantees the performance of compressor.At this point, exhaust valve plate not with expand stream interface portion 102 contact, if exhaust valve plate after
The continuous effect by exhaust impact force, exhaust valve plate can generate bending deformation, the portion of exhaust valve plate not contacted with confined planes 10
Point bending deformation is generated, such as at least side of the width direction along center face 101 of exhaust valve plate can be directed away from exhaust
The direction of valve block is bent, so that the marginal portion of the part not contacted with the confined planes 10 such as exhaust valve plate of exhaust valve plate deforms
To be contacted with expansion stream interface portion 102, to increase exhaust clearance, the exhaust resistance of compressor is reduced, compressor is reduced
Discharge loss improves the exhaust performance and exhaust efficiency of compressor, hereby it is achieved that limit exhaust valve plate maximum opening and
Reduce exhaust resistance, reduce the balance between discharge loss.
Embodiment two
As shown in Fig. 2, the present embodiment is roughly the same with the structure of embodiment one, wherein identical component is using identical attached
Icon note, the difference is that: center face 101 is plane, and expansion stream interface portion 102 is curved surface.
In the description of the present invention, it should be understood that the side of the instructions such as term " center ", " length ", " width "
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (12)
1. a kind of lift stopper for compressor, which is characterized in that the compressor includes gas vent and for switching
The exhaust valve plate of gas vent is stated, the lift stopper includes:
Limiting section, the limiting section have the confined planes for exhaust valve plate described in backstop, and the confined planes include center face
With expansion stream interface portion, the center face and the gas vent face, the width side for expanding stream interface portion and being located at the center face
Upward at least side is directed away from the exhaust valve plate along direction, the expansion stream interface portion far from the center face
Direction extends.
2. the lift stopper according to claim 1 for compressor, which is characterized in that the two sides of the center face
It is equipped with the expansion stream interface portion.
3. the lift stopper according to claim 2 for compressor, which is characterized in that be located at the center face two
The expansion stream interface portion of side is arranged about the center face axial symmetry.
4. the lift stopper according to claim 1 for compressor, which is characterized in that the width for expanding stream interface portion
The maximum width W of W0 and the limiting section meets relationship: W/4≤W0 < W/2.
5. the lift stopper according to claim 1 for compressor, which is characterized in that the center face is flat
Face, the expansion stream interface portion is curved surface, and the expansion stream interface portion smoothly transits with the center face and is connected.
6. the lift stopper according to claim 1 for compressor, which is characterized in that the center face is flat
Face, the expansion stream interface portion is inclined-plane, and the expansion stream interface portion smoothly transits with the center face and is connected.
7. the lift stopper according to claim 1 for compressor, which is characterized in that the center face is song
Face, the expansion stream interface portion is curved surface, and the expansion stream interface portion smoothly transits with the center face and is connected.
8. the lift stopper according to claim 1 for compressor, which is characterized in that the center face is song
Face, the expansion stream interface portion is inclined-plane, and the expansion stream interface portion smoothly transits with the center face and is connected.
9. the lift stopper according to claim 1 for compressor, which is characterized in that the expansion stream interface portion is along described
The length direction of limiting section extends, and the equal length of the development length for expanding stream interface portion and the limiting section.
10. a kind of valve board assembly characterized by comprising
Valve plate is formed with gas vent on the valve plate；
Exhaust valve plate, the exhaust valve plate are located on the valve plate to open or close the gas vent；
Lift stopper, the lift stopper are the lift stopper that compressor is used for according to claim 1-9, institute
The side far from the valve plate that lift stopper is located at the exhaust valve plate is stated, the lift stopper further includes mounting portion,
The lift stopper is installed on the valve plate by the mounting portion.
11. a kind of cylinder head assembly characterized by comprising
Valve plate is formed with gas vent on the valve plate；
Exhaust valve plate, the exhaust valve plate are located at the side of the valve plate to open or close the gas vent；
Cylinder head, the cylinder head are located at the side far from the valve plate of the exhaust valve plate, in the cylinder head integrally at
Type has lift stopper, and the lift stopper is according to the lift of any of claims 1-9 for compressor
Limiter.
12. a kind of compressor, which is characterized in that exhaust valve plate including gas vent, for switching the gas vent and according to power
Benefit requires the lift stopper that compressor is used for described in 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949095.1U CN209041067U (en) | 2018-11-23 | 2018-11-23 | Lift stopper, valve board assembly, cylinder head assembly and the compressor of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949095.1U CN209041067U (en) | 2018-11-23 | 2018-11-23 | Lift stopper, valve board assembly, cylinder head assembly and the compressor of compressor |
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| Publication Number | Publication Date |
|---|---|
| CN209041067U true CN209041067U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821949095.1U Active CN209041067U (en) | 2018-11-23 | 2018-11-23 | Lift stopper, valve board assembly, cylinder head assembly and the compressor of compressor |
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| CN (1) | CN209041067U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425116A (en) * | 2019-08-26 | 2019-11-08 | 黄石尼美特科技发展有限公司 | A kind of valve member and compressor for compressor |
| CN111102165A (en) * | 2019-12-13 | 2020-05-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Lift limiting part, exhaust valve assembly, compressor and household appliance |
| CN111425376A (en) * | 2020-05-18 | 2020-07-17 | 黄石东贝电器股份有限公司 | Exhaust limiting plate for improving energy efficiency of compressor and compressor |
| CN112648173A (en) * | 2019-10-09 | 2021-04-13 | 安徽美芝制冷设备有限公司 | Cylinder cover assembly and compressor with same |
-
2018
- 2018-11-23 CN CN201821949095.1U patent/CN209041067U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425116A (en) * | 2019-08-26 | 2019-11-08 | 黄石尼美特科技发展有限公司 | A kind of valve member and compressor for compressor |
| CN112648173A (en) * | 2019-10-09 | 2021-04-13 | 安徽美芝制冷设备有限公司 | Cylinder cover assembly and compressor with same |
| CN111102165A (en) * | 2019-12-13 | 2020-05-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Lift limiting part, exhaust valve assembly, compressor and household appliance |
| CN111102165B (en) * | 2019-12-13 | 2021-12-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Lift limiting part, exhaust valve assembly, compressor and household appliance |
| CN111425376A (en) * | 2020-05-18 | 2020-07-17 | 黄石东贝电器股份有限公司 | Exhaust limiting plate for improving energy efficiency of compressor and compressor |
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