CN107829937A - Compressor and apply its air conditioner - Google Patents
Compressor and apply its air conditioner Download PDFInfo
- Publication number
- CN107829937A CN107829937A CN201710933899.6A CN201710933899A CN107829937A CN 107829937 A CN107829937 A CN 107829937A CN 201710933899 A CN201710933899 A CN 201710933899A CN 107829937 A CN107829937 A CN 107829937A
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- Prior art keywords
- valve block
- baffle plate
- compressor
- block baffle
- fitting
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- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 230000010355 oscillation Effects 0.000 claims abstract description 20
- 230000002146 bilateral effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 19
- 208000010392 Bone Fractures Diseases 0.000 description 7
- 206010017076 Fracture Diseases 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Compressor (AREA)
Abstract
The present invention is on a kind of compressor and applies its air conditioner, is related to compression device field, main purpose is that the technical problem of circumferential beat easily occurs for the valve block baffle plate for solving existing compressor.The technical scheme mainly used for：Compressor, valve block baffle plate including valve block groove and in the valve block groove, the compressor also includes position limiting structure, and position limiting structure is used in the circumferential to the valve block baffle limiting, to limit circuit oscillation of the valve block baffle plate between relative two side wall of the valve block groove.According in technical scheme provided by the invention, because position limiting structure can be spacing to valve block catch in the circumferential, to limit circuit oscillation of the valve block baffle plate between relative two side wall of valve block groove, so as to avoid assembling from leaking, improve the performance of compressor, fluctuation of the valve block baffle plate in vertical direction can also be further reduced, strengthens its limit effect to valve block, and reduce the risk of valve block fracture failure.
Description
Technical field
The present invention relates to compression device technical field, more particularly to a kind of compressor and applies its air conditioner.
Background technology
The main function of valve block baffle plate in rolling rotor compressor pump body structure is that the lift progress to valve block is spacing,
While the capacity of each course of work of compressor pump is ensured, also assure that valve block is not broken mistake because lift is excessive
Effect.Valve block baffle plate has material impact to the performance of compressor and the reliability of valve block.
Valve block baffle plate includes head, afterbody and the connecting portion of connection head and afterbody.The afterbody of valve block baffle plate is typically logical
Rivet or screw etc. is crossed to be connected to together with valve block on flange valve seat.Valve block baffle plate is located in the valve block groove on flange valve seat, valve
There is certain gap between piece baffle plate and two relative side walls of valve block groove.This structure causes valve block baffle plate to fully rely on
The rivet or mode connects for screw of afterbody fix support, and other positions are in vacant state, and this results in valve block baffle plate can in assembling
Circuit oscillation can in the horizontal direction occur.As its band moving valve plate produce circumferential beat together, then can cause valve block to exhaust
The sealing of mouth is deteriorated, and reduces the performance of compressor；As its band moving valve plate occur beat, also result in valve block open when and valve
The real contact area of piece baffle plate diminishes, and impact stress becomes big, also increases the risk of valve block fracture failure to a certain extent.
Therefore, the dual consideration based on compressor performance and reliability, it should avoid valve block baffle plate that circumferential beat occurs in assembling.
The content of the invention
In view of this, the present invention provides a kind of compressor and applies its air conditioner, and main purpose is solve existing pressure
The technical problem of circumferential beat easily occurs for the valve block baffle plate of contracting machine.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
On the one hand, embodiments of the invention provide a kind of compressor, including valve block groove and in the valve block groove
Valve block baffle plate, the compressor also include：
Position limiting structure, it is used in the circumferential to the valve block baffle limiting, to limit the valve block baffle plate in the valve
Circuit oscillation between relative two side wall of film trap.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
In foregoing compressor, optionally, the valve block baffle plate include as fixed part afterbody and with the tail
The cantilever portion of portion's connection；
Wherein, the position limiting structure is used for spacing to the cantilever portion of the valve block baffle plate in the circumferential, to limit the valve
Piece baffle plate circuit oscillation between relative two side wall of the valve block groove.
In foregoing compressor, optionally, the cantilever portion of the valve block baffle plate and the sidewall spacers of the valve block groove are tight
With cooperation, to form described position limiting structure.
In foregoing compressor, optionally, the unilateral cooperation between the afterbody of the valve block baffle plate and the valve block groove
Gap is δ 1；
The gap close-fitting of the cantilever portion of the valve block baffle plate coordinates the unilateral fit clearance between section and the valve block groove to be δ
2；
Wherein, the ∈ of δ 2 [0.03,0.25], and the ＜ δ 1 of δ 2.
In foregoing compressor, optionally, the ∈ of δ 2 [0.05,0.1].
In foregoing compressor, optionally, the gap close-fitting of the cantilever portion of the valve block baffle plate coordinates the length L1 of section
Ratio between the length L of the valve block baffle plate meets：L1/L ＞ 0.05.
In foregoing compressor, optionally, L1/L ∈ [0.06,0.14].
In foregoing compressor, optionally, width D 1≤gap close-fitting of the afterbody of the valve block baffle plate coordinates
The width D of valve block groove described in the ＜ of width D 3 of section.
In foregoing compressor, optionally, the cantilever portion includes head and for connecting the head and described
The connecting portion of afterbody；
The connecting portion includes described gap close-fitting and coordinates section and the connection gap close-fitting to coordinate section and the head
The first paragraph in portion；The relatively described gap close-fitting in the both ends of the first paragraph in the width direction coordinates section to cave inward.
In foregoing compressor, optionally, between the length L of the length L2 of the first paragraph and the valve block baffle plate
Ratio meets：L2/L ∈ [0.1,0.3].
In foregoing compressor, optionally, bilateral gap delta 3 between the first paragraph and the valve block groove with it is described
Ratio between the width D of valve block groove meets：δ 3/D ＜ 0.45.
In foregoing compressor, optionally, δ 3/D ＜ 0.2.
In foregoing compressor, optionally, the connecting portion also include connecting the gap close-fitting coordinate section with it is described
The second segment of afterbody, the relatively described gap close-fitting in the both ends of the second segment in the width direction coordinate section to cave inward.
In foregoing compressor, optionally, bilateral gap delta 3 between the second segment and the valve block groove with it is described
Ratio between the width D of valve block groove meets：δ 4/D ＜ 0.45.
In foregoing compressor, optionally, δ 4/D ＜ 0.2.
In foregoing compressor, optionally, there is the cantilever portion of the valve block baffle plate two or more to be arranged at intervals successively
Gap close-fitting coordinate section.
In foregoing compressor, optionally, the gap close-fitting coordinates that the molded line of section is rectangular, trapezoidal, half elliptic
Or arc.
In foregoing compressor, optionally, the compressor is double pump structure；
Wherein, the quantity of the valve block baffle plate and the valve block groove is two；One end of one valve block baffle plate with it is another
One end connection of individual valve block baffle plate, and both relative openings, to form double valve sheet baffle arrangement；It is mounted in each valve block groove
Valve block baffle plate described in one.
In foregoing compressor, optionally, the compressor have preceding compression chamber, rear compression chamber, with preceding compression chamber phase
Corresponding first valve block and second valve block corresponding with rear compression chamber；
Wherein, one in two valve block baffle plates is corresponding with preceding compression chamber, and another is corresponding with rear compression chamber；First
The rigidity of valve block is less than the rigidity of the second valve block.
In foregoing compressor, optionally, the hardness of the valve block baffle plate corresponding with preceding compressor chamber is less than and rear pressure
The hardness of the corresponding valve block baffle plate of contracting chamber.
On the other hand, embodiments of the invention also provide a kind of air conditioner, and it includes the compressor described in any of the above-described kind.
By above-mentioned technical proposal, compressor of the present invention and at least have the advantages that using its air conditioner：
In technical scheme provided by the invention, because position limiting structure can be spacing to valve block catch in the circumferential, with limit
Circuit oscillation of the valve block baffle plate processed between relative two side wall of valve block groove, so as to avoid assembling from leaking, improve pressure
The performance of contracting machine, fluctuation of the valve block baffle plate in vertical direction can also be further reduced, strengthen its limit effect to valve block, and
Reduce the risk of valve block fracture failure.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is a kind of part-structure schematic diagram for compressor that one embodiment of the invention provides；
Fig. 2 is the mplifying structure schematic diagram of both Fig. 1 middle valve plates baffle plate and valve block groove assembling；
Fig. 3 is a kind of top view for valve block baffle plate that one embodiment of the invention provides；
Fig. 4 is a kind of side view for valve block baffle plate that one embodiment of the invention provides；
Fig. 5 is the top view for another valve block baffle plate that one embodiment of the invention provides；
Fig. 6 is the top view for another valve block baffle plate that one embodiment of the invention provides；
Fig. 7 is a kind of top view for double valve sheet baffle arrangement that one embodiment of the invention provides；
Fig. 8 is a kind of part-structure schematic diagram for double pump structure that one embodiment of the invention provides.
Reference：1st, valve block groove；2nd, valve block baffle plate；21st, afterbody；22nd, cantilever portion；221st, head；222nd, first paragraph；
223rd, gap close-fitting coordinates section；224th, second segment；3rd, position limiting structure；4th, flange.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect according to the present patent application, describe in detail such as
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.It is in addition, one or more
Special characteristic, structure or feature in individual embodiment can be combined by any suitable form.
As depicted in figs. 1 and 2, a kind of compressor that one embodiment of the present of invention proposes, including valve block groove 1, spacing knot
Structure 3 and the valve block baffle plate 2 in valve block groove 1.Position limiting structure 3 is for spacing to valve block baffle plate 2 in the circumferential, with limit
Circuit oscillation of the valve block baffle plate 2 processed between relative two side wall 11 and 12 of valve block groove 1.Need exist for explanation be：This
" circumference " in example refers to the width of Fig. 1 and Fig. 2 middle valve plates baffle plate 2.
In the technical scheme of above-mentioned offer, because position limiting structure 3 can be spacing to valve block catch in the circumferential, with limitation
Circuit oscillation of the valve block baffle plate 2 between relative two side wall of valve block groove 1, so as to avoid assembling from leaking, improve pressure
The performance of contracting machine, fluctuation of the valve block baffle plate 2 in vertical direction can also be further reduced, strengthen its limit effect to valve block,
And reduce the risk of valve block fracture failure.
As shown in Figures 3 to 6, foregoing valve block baffle plate 2 includes being connected as the afterbody 21 of fixed part and with afterbody 21
Cantilever portion 22.Wherein, position limiting structure 3 is used for spacing to the cantilever portion 22 of valve block baffle plate 2 in the circumferential, to limit valve block baffle plate
2 between relative two side wall of valve block groove 1 circuit oscillation.In this example, because the afterbody 21 of valve block baffle plate 2 is consolidated
It is fixed, and cantilever portion 22 is more easy to circuit oscillation, it is spacing by being carried out to cantilever portion 22, it can match somebody with somebody with the afterbody 21 as fixed part
Close, effectively prevent valve block baffle plate 2 from circuit oscillation occurs.
Further, the cantilever portion 22 of foregoing valve block baffle plate 2 can coordinate with the sidewall spacers close-fitting of valve block groove 1, with shape
Into foregoing position limiting structure 3, so have and simplify structure, technique effect convenient for assembly.Need exist for explanation be：Herein
" cooperation of gap close-fitting " refers to that fit clearance is smaller, and gap of the unilateral fit clearance no more than 0.25 coordinates, and is referred to as
Close-fitting coordinates.
Further, the unilateral fit clearance between the afterbody 21 and valve block groove 1 of foregoing valve block baffle plate 2 is δ 1.Valve block is kept off
The gap close-fitting of the cantilever portion 22 of plate 2 coordinates the unilateral fit clearance between section 223 and valve block groove 1 to be δ 2.Wherein, the ∈ of δ 2
[0.03,0.25], and the ＜ δ 1 of δ 2, δ 2 value is unlikely to excessive and make valve block baffle plate 2 that circuit oscillation occur, also make δ's 2
Value is unlikely to too small and influences the installation effectiveness of valve block baffle plate 2.Preferably, the above-mentioned ∈ of δ 2 [0.05,0.1].
Further, the gap close-fitting of the cantilever portion 22 of foregoing valve block baffle plate 2 coordinates the length L1 and valve block baffle plate of section 223
Ratio between 2 length L meets：L1/L ＞ 0.05, the gap close-fitting of the cantilever portion 22 of valve block baffle plate 2 is so set to coordinate section
223 length is unlikely to too small and influences the circumferential limit effect of valve block baffle plate 2.Preferably, above-mentioned L1/L ∈ [0.06,
0.14], the gap close-fitting of the cantilever portion 22 of valve block baffle plate 2 is made to coordinate the length of section 223 to be unlikely to too big and influence valve block baffle plate 2
Installation effectiveness, and gap close-fitting coordinate section 223 length if oversize processing cost it is also higher.
Further, 1≤gap of width D close-fitting of the afterbody 21 of foregoing valve block baffle plate 2 coordinates the ＜ valves of width D 3 of section 223
The width D of film trap 1, to facilitate the installation of valve block baffle plate 2.
As shown in Figures 3 to 6, foregoing cantilever portion 22 can include head 221 and for connecting head 221 and tail
The connecting portion in portion 21.The connecting portion include foregoing gap close-fitting coordinate section 223 and joint gap close-fitting coordinate section 223 with
The first paragraph 222 on head 221.Wherein, the equal relative gap close-fitting in the both ends of first paragraph 222 in the width direction coordinates section 223 inside
Depression, gap close-fitting is set to coordinate the both ends of section 223 in the width direction to form bulge-structure with respect to first paragraph 222 accordingly.At this
In example, the structure that is caved inward in the width direction due to first paragraph 222 so that be gap between first paragraph 222 and valve block groove 1
Coordinating, the first paragraph 222 coordinates both cooperations of section 223 with gap close-fitting, on the one hand can prevent the circuit oscillation of valve block baffle plate 2,
On the other hand also there is the technique effect for facilitating valve block baffle plate 2 to install.
Further, the ratio between the length L2 of foregoing first paragraph 222 and the length L of valve block baffle plate 2 meets：L2/L∈
[0.1,0.3], so that the length of first paragraph 222 is unlikely to too small and influences the installation of valve block baffle plate 2, also it is unlikely to too big
The circumferential limit effect of valve block baffle plate 2 is set to have a greatly reduced quality.
Further, between the bilateral gap delta 3 between foregoing first paragraph 222 and valve block groove 1 and the width D of valve block groove 1
Ratio meets：δ 3/D ＜ 0.45, so on the one hand facilitate the processing of the width both sides depressed part of first paragraph 222, on the other hand
It has been also convenient for the installation of valve block baffle plate 2.Preferably, foregoing δ 3/D ＜ 0.2.
Further, as shown in Figures 3 to 6, foregoing connecting portion also includes joint gap close-fitting and coordinates section 223 and afterbody
21 second segment 224.The equal relative gap close-fitting in the both ends of second segment 224 in the width direction coordinates section 223 to cave inward, accordingly
Gap close-fitting is set to coordinate the both ends of section 223 in the width direction to form bulge-structure with respect to second segment 224.In this example, due to
The structure that second segment 224 caves inward in the width direction so that coordinate between second segment 224 and valve block groove 1 for gap, this second
Section 224 coordinates both cooperations of section 223 with gap close-fitting, on the one hand can prevent the circuit oscillation of valve block baffle plate 2, on the other hand also have
There is the technique effect for facilitating valve block baffle plate 2 to install.
As shown in Figures 3 to 6, above-mentioned first paragraph 222, gap close-fitting coordinate section 223 and the three of second segment 224 along length
Degree direction forms middle structure high, both sides are low.
Further, between the bilateral gap delta 3 between second previous paragraph 224 and valve block groove 1 and the width D of valve block groove 1
Ratio meets：δ 4/D ＜ 0.45, so on the one hand facilitate the processing of the width both sides depressed part of second segment 224, on the other hand
It has been also convenient for the installation of valve block baffle plate 2.Preferably, foregoing δ 4/D ＜ 0.2.
Further, the cantilever portion 22 of foregoing valve block baffle plate 2 can spaced gap be tight successively with two or more
With section 223 is coordinated, more than two gap close-fittings coordinate section 223 to cooperate, and can further improve to valve block baffle plate 2
Circumferential limit effect, prevent valve block baffle plate 2 from circuit oscillation occurs.
One specifically apply example in, aforementioned gap close-fitting coordinate section 223 molded line can with it is rectangular, trapezoidal (such as
Shown in Fig. 3 and Fig. 6), half elliptic or arc (as shown in Figure 5) etc., its concrete shape can be designed according to the actual requirements,
It will not be repeated here.
In one is specifically applied example, as shown in figure 8, foregoing compressor can be double-exhaust pump body structure.Its
In, the quantity of valve block baffle plate 2 and valve block groove 1 is two.One end of one valve block baffle plate 2 and the one of another valve block baffle plate 2
End connection, and both relative openings, to form the structure of double valve sheet baffle plate 2 (as shown in Figure 7), for example both can be with V-shaped.Each
A valve block baffle plate 2 is mounted in valve block groove 1.Because foregoing position limiting structure 3 can enter to the circumference of each valve block baffle plate 2
Row is spacing, to limit circuit oscillation of the valve block baffle plate 2 between relative two side wall of valve block groove 1, so as to avoid filling
With leakage, the performance of compressor is improved, fluctuation of the valve block baffle plate 2 in vertical direction can also be further reduced, strengthen it to valve
The limit effect of piece, and reduce the risk of valve block fracture failure.
Further, foregoing compressor has preceding compression chamber, rear compression chamber, first valve corresponding with preceding compression chamber
Piece and second valve block corresponding with rear compression chamber.Wherein, one in two valve block baffle plates 2 is corresponding with preceding compression chamber,
Another is corresponding with rear compression chamber；The rigidity of first valve block is less than the rigidity of the second valve block.Wherein, two rows of flange 4 are passed through
Gas port assembles the difference of valve block rigidity, realizes two valve block different time foldings.Before the gas pressure of compression chamber reaches and is located at
During the Opening pressure of the first valve block of compression chamber, first valve block is opened, and is realized and is vented for the first time, when compression chamber crosses first
Exhaust outlet continues to compress, when gas pressure is reached positioned at the Opening pressure of the second valve block of rear compression chamber in compression chamber, rear compression
Second valve block of chamber is opened, and is carried out second and is vented, so as to realize that one impulse stroke of compressor pump is vented twice, from
And the gas pressure in whole impulse stroke in compression chamber is substantially reduced, reduce the bump stress of valve block and valve block baffle plate 2, reach
Noise reduction and the purpose for improving valve block reliability.
Further, the hardness of the foregoing valve block baffle plate 2 corresponding with preceding compressor chamber is less than corresponding with rear compression chamber
Valve block baffle plate 2 hardness.Wherein, because the rigidity of the first valve block is less than the rigidity of the second valve block, so as to be with the first valve block
The hardness of the valve block baffle plate 2 corresponding with preceding compression chamber can be done with respect to the hardness of another valve block baffle plate 2 it is smaller, to reduce
Cost.
Embodiments of the invention also provide a kind of air conditioner, and it can include the compressor in any of the above-described example.
In the above-described embodiments, air conditioner provided by the invention is due to setting the reason of above-mentioned compressor, therefore also has
Prevent the circuit oscillation of valve block baffle plate 2, avoid assembling leak, improve compressor performance the advantages of.
Operation principle of the invention and preferred embodiment is described below.
The technical scheme of above-mentioned offer solves following technical problem：Limit of the valve block baffle plate 2 of prior art in assembling
Position is ineffective, easily produces circuit oscillation and influences the performance and reliability of compressor.
The inventive point of the invention is：By improving the structure of the connecting portion of valve block baffle plate 2, valve block baffle plate 2 is realized
Multistage clearance close-fitting coordinates between the valve seat of flange 4, applies constraint to the hanging part of valve block baffle plate 2, avoids due to valve
Piece baffle plate 2 is swung and caused assembling leakage, reduces valve block Fracture Failure Risk, improves compressor performance and valve block reliability.
In addition to the afterbody 21 of valve block baffle plate 2 is fixed using riveting or screw, the present invention to valve block by keeping off
The structure of the middle interconnecting piece position of plate 2 is improved, and realizes that two sections of clearance close-fittings coordinate between valve block baffle plate 2 and flange valve seat, this
Vocabulary " cooperation of clearance close-fitting " used in invention description refers to that fit clearance is smaller, and unilateral fit clearance is not more than 0.25
Gap coordinates, and referred to as gap close-fitting coordinates.Wherein, by increasing spacing constraint to the cantilever portion 22 of valve block baffle plate 2, so as to carry
The limit effect of high valve block baffle plate 2, while preventing that valve block baffle plate 2 from swinging and leakage occur, reduces valve block to a certain extent
Produce the risk of fracture failure.
Implementation is as follows：New structure valve block baffle plate 2 (as shown in Figure 3) designed by the present invention is by valve block baffle plate 2
Middle interconnecting piece position is designed to three sections of not wide structures, so that between the both sides of valve block baffle plate 2 and flange valve seat part valve block groove 1
Form two sections of clearance close-fittings and coordinate (as shown in Figure 1), flange valve seat part is produced horizontal restraint to the both sides of valve block baffle plate 2
Power, the swing of limitation valve block baffle plate 2, and then avoid valve block from equally producing swing and produce leakage.
Scheme one：The new structure valve block baffle plate 2 that two sections of clearance close-fittings designed by the present invention coordinate, valve block baffle plate
Connecting portion between 2 head 221 and afterbody 21 is designed as the rectangular configuration of intermediate projections.The width of raised rectangular configuration
D3, the width D 1 of afterbody 21 of valve block baffle plate 2, flange valve block groove 1 width D three between relation be D1≤D3 ＜ D, make
The raised rectangle position in the junction of valve block baffle plate 2 and matching somebody with somebody for the both sides of valve block groove 1 of flange are combined into gap close-fitting cooperation (such as Fig. 1 institutes
Show).Unilateral fit clearance value δ 1=(D-D1)/2 between the afterbody 21 of valve block baffle plate 2 and the valve block groove 1 of flange, gap close-fitting
Coordinate the unilateral fit clearance δ 2=(D-D3)/2 of section 223, wherein, as the ∈ of δ 2 [0.05,0.1], and during 2 ＜ δ 1 of δ, gap close-fitting
223 pairs of valve block baffle plates 2 of section are coordinated to carry out circumferential limit effect optimal.
The non-bossing of connecting portion and the both sides of valve block groove 1 are gap between the head 221 of valve block baffle plate 2 and afterbody 21
Coordinate (as depicted in figs. 1 and 2), two intersegmental gaps coordinate length L2, L3 of section can not also to be waited with equal.Because valve block is kept off
The gap matching part of first paragraph 222 of plate 2 coordinates section close to the tilting end (head 221) of valve block baffle plate 2, the gap of first paragraph 222
Length accounting λ 1=L2/L ∈ [0.1,0.3], best results.Gap close-fitting coordinates the length L1 of section 223 can be according to valve block baffle plate 2
Length suitably increase or reduce, its length accounting λ 2=L1/L ∈ [0.06,0.14] is optimal.Valve block groove 1 and valve block baffle plate 2
Gap coordinates ratio kappa=δ 3/D=1-D2/D ＜ between the bilateral gap delta 3=(D-D2) of section and the width D of valve block baffle plate 2
When 0.2, effect is more excellent.
Scheme two：(1) the clearance close-fitting fit structure not only office of the new structure valve block baffle plate 2 designed by the present invention
It is limited to two intersegmental gap type structures, multistage clearance close-fitting fit structure can be designed to according to the actual requirements.
(2) the clearance close-fitting fit structure of the new structure valve block baffle plate 2 designed by the present invention is applied to head 221
Be circular (as shown in Figure 6), the valve block baffle plate 2 that head 221 is other structures forms such as square (as shown in Figure 3 and Figure 5) or
Assembled with similar valve block baffle plate 2 in the part of fixed structure form, the molded line of its gap close-fitting matching part, except binding effect
Outside preferable rectangular configuration, trapezoidal, half elliptic, smooth streamlined, arc etc. are may be designed in, now valve block baffle plate 2
The length L1 of connecting portion raised section is defined as the length of line between the two-end-point of raised section in the projection line of the two sides of valve block groove 1
Angle value；
(3) each size of clearance close-fitting fit structure of new structure valve block baffle plate 2 designed by the present invention is not limited to
Restriction range described in preferred forms, each most basic requirement of size range are：Gap close-fitting coordinates the unilateral gap of section 223
The ∈ of δ 2 [0.03,0.25], gap close-fitting coordinate the ＞ 0.05 of 223 length accounting λ of section 2, and gap coordinates bilateral gap and the valve block of section
The width ratio κ ＜ 0.45 of baffle plate 2；
(3) the new structure valve block baffle plate 2 designed by the present invention can be applied to the new knot of double valve sheet baffle plate shown in Fig. 7
Structure, the double valve sheet baffle plate new structure are mainly used in double pump structure, with the assembling schematic diagram of flange 4 as shown in figure 8,
The rigging position of one valve block baffle plate is located at compression chamber before the pump housing, and the rigging position of the second valve block baffle plate is located at compression chamber after the pump housing,
The hardness of second valve block baffle plate is more than the hardness of the first valve block baffle plate, with the rigidity of the valve block of the second valve block baffle fit be more than with
The valve block rigidity of first valve block baffle fit.Wherein, the difference of valve block rigidity is assembled by two exhaust outlets of flange 4, realized
Two valve block different time foldings, when the gas pressure of compression chamber reaches positioned at the Opening pressure of the first valve block of preceding compression chamber,
First valve block is opened, and is realized and is vented for the first time, cross first exhaust outlet when compression chamber and continue to compress, compresses intracavity gas pressure
When power is reached positioned at the Opening pressure of the second valve block of rear compression chamber, the second valve block of rear compression chamber is opened, and is carried out second and is arranged
Gas, so as to realize that one impulse stroke of compressor pump is vented twice, compressed so as to substantially reduce in whole impulse stroke
The gas pressure of intracavitary, reduce the bump stress of exhaust valve plate and valve block baffle plate 2, reach noise reduction and improve the mesh of valve block reliability
's.
At least there are following advantages according to embodiment above, compressor of the invention and using its air conditioner：
The present invention can be achieved to constrain the cantilever portion 22 of valve block baffle plate 2 again, so as to limit the circumferential pendulum of valve block baffle plate 2
It is dynamic, avoid assembling from leaking, improve compressor performance, can also further reduce fluctuation of the valve block baffle plate 2 in vertical direction, strengthen
Its limit effect to valve block, and reduce the risk of valve block fracture failure.The invention design structure is simple, easy to process, is easy to
Promote.
Need exist for explanation be：In the case where not conflicting, those skilled in the art can incite somebody to action according to actual conditions
Related technical characteristic is mutually combined in above-mentioned each example, to reach corresponding technique effect, particularly for various combined situations
Do not repeat one by one herein.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, according to
Any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still falls within this hair
In the range of bright technical scheme.
Claims (21)
1. a kind of compressor, including valve block groove (1) and the valve block baffle plate (2) in the valve block groove (1), its feature exist
In the compressor also includes：
Position limiting structure (3), its be used for it is spacing to the valve block baffle plate (2) in the circumferential, to limit the valve block baffle plate (2) in institute
State the circuit oscillation between relative two side wall of valve block groove (1).
2. compressor as claimed in claim 1, it is characterised in that
The valve block baffle plate (2) includes the afterbody (21) as fixed part and the cantilever portion being connected with the afterbody (21)
(22)；
Wherein, the position limiting structure (3) is used for spacing to the cantilever portion (22) of the valve block baffle plate (2) in the circumferential, with limitation
The valve block baffle plate (2) circuit oscillation between relative two side wall of the valve block groove (1).
3. compressor as claimed in claim 2, it is characterised in that
The cantilever portion (22) of the valve block baffle plate (2) and the sidewall spacers close-fitting of the valve block groove (1) coordinate, described with formation
Position limiting structure (3).
4. compressor as claimed in claim 3, it is characterised in that
Unilateral fit clearance between the afterbody (21) and the valve block groove (1) of the valve block baffle plate (2) is δ 1；
The gap close-fitting of the cantilever portion (22) of the valve block baffle plate (2) coordinates unilateral between section (223) and the valve block groove (1)
Fit clearance is δ 2；
Wherein, the ∈ of δ 2 [0.03,0.25], and the ＜ δ 1 of δ 2.
5. compressor as claimed in claim 4, it is characterised in that
The ∈ of δ 2 [0.05,0.1].
6. the compressor as any one of claim 3 to 5, it is characterised in that
The gap close-fitting of the cantilever portion (22) of the valve block baffle plate (2) coordinates the length L1 of section (223) and the valve block baffle plate (2)
Length L between ratio meet：L1/L ＞ 0.05.
7. compressor as claimed in claim 6, it is characterised in that
L1/L ∈ [0.06,0.14].
8. the compressor as any one of claim 3 to 7, it is characterised in that
The width D 1 of the afterbody (21) of the valve block baffle plate (2)≤gap close-fitting coordinates described in the ＜ of width D 3 of section (223)
The width D of valve block groove (1).
9. the compressor as any one of claim 3 to 8, it is characterised in that
The cantilever portion (22) includes head (221) and the connection for connecting the head (221) and the afterbody (21)
Portion；
The connecting portion include described gap close-fitting coordinate section (223) and the connection gap close-fitting coordinate section (223) with
The first paragraph (222) of the head (221)；The relatively described gap close-fitting in the both ends of the first paragraph (222) in the width direction
Section (223) is coordinated to cave inward.
10. compressor as claimed in claim 9, it is characterised in that
Ratio between the length L2 of the first paragraph (222) and the length L of the valve block baffle plate (2) meets：L2/L ∈ [0.1,
0.3]。
11. the compressor as described in claim 9 or 10, it is characterised in that
Bilateral gap delta 3 between the first paragraph (222) and the valve block groove (1) and between the width D of the valve block groove (1)
Ratio meet：δ 3/D ＜ 0.45.
12. compressor as claimed in claim 11, it is characterised in that
δ 3/D ＜ 0.2.
13. the compressor as any one of claim 9 to 12, it is characterised in that
The connecting portion also includes connecting the second segment (224) that the gap close-fitting coordinates section (223) and the afterbody (21), institute
Stating the relatively described gap close-fitting in the both ends of second segment (224) in the width direction coordinates section (223) to cave inward.
14. compressor as claimed in claim 13, it is characterised in that
Bilateral gap delta 4 between the second segment (224) and the valve block groove (1) and between the width D of the valve block groove (1)
Ratio meet：δ 4/D ＜ 0.45.
15. compressor as claimed in claim 14, it is characterised in that
δ 4/D ＜ 0.2.
16. the compressor as any one of claim 3 to 15, it is characterised in that
The cantilever portion (22) of the valve block baffle plate (2) has two or more, and spaced gap close-fitting coordinates section (223) successively.
17. the compressor as any one of claim 3 to 16, it is characterised in that
The gap close-fitting coordinates the rectangular molded line of section (223), trapezoidal, half elliptic or arc.
18. the compressor as any one of claim 1 to 17, it is characterised in that
The compressor is double pump structure；
Wherein, the quantity of the valve block baffle plate (2) and the valve block groove (1) is two；One end of one valve block baffle plate (2) with
One end connection of another valve block baffle plate (2), and both relative openings, to form double valve sheet baffle arrangement；Each valve block groove (1)
Inside it is mounted on the valve block baffle plate (2) described in one.
19. compressor as claimed in claim 18, it is characterised in that
The compressor have preceding compression chamber, rear compression chamber, first valve block corresponding with preceding compression chamber and with rear compression chamber
The second corresponding valve block；
Wherein, one in two valve block baffle plates (2) is corresponding with preceding compression chamber, and another is corresponding with rear compression chamber；First
The rigidity of valve block is less than the rigidity of the second valve block.
20. compressor as claimed in claim 19, it is characterised in that
The hardness of the valve block baffle plate (2) corresponding with preceding compressor chamber is less than the valve block baffle plate (2) corresponding with rear compression chamber
Hardness.
21. a kind of air conditioner, it is characterised in that including the compressor any one of claim 1 to 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710933899.6A CN107829937B (en) | 2017-10-10 | 2017-10-10 | Compressor and air conditioner using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710933899.6A CN107829937B (en) | 2017-10-10 | 2017-10-10 | Compressor and air conditioner using same |
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| Publication Number | Publication Date |
|---|---|
| CN107829937A true CN107829937A (en) | 2018-03-23 |
| CN107829937B CN107829937B (en) | 2024-03-22 |
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ID=61647597
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710933899.6A Active CN107829937B (en) | 2017-10-10 | 2017-10-10 | Compressor and air conditioner using same |
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| Country | Link |
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| CN (1) | CN107829937B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899185A (en) * | 2019-03-12 | 2019-06-18 | 潍柴动力股份有限公司 | A kind of EGR check valve |
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| CN207437370U (en) * | 2017-10-10 | 2018-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and apply its air conditioner |
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| US5035050A (en) * | 1989-02-15 | 1991-07-30 | Tecumseh Products Company | Method of installing a valve assembly in a compressor |
| JP2000110763A (en) * | 1998-10-08 | 2000-04-18 | Toshiba Corp | Rotary compressor |
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| CN109899185A (en) * | 2019-03-12 | 2019-06-18 | 潍柴动力股份有限公司 | A kind of EGR check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107829937B (en) | 2024-03-22 |
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