CN207437361U - Rotary compressor slide plate, compression mechanism and rotary compressor - Google Patents
Rotary compressor slide plate, compression mechanism and rotary compressor Download PDFInfo
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- CN207437361U CN207437361U CN201721603010.XU CN201721603010U CN207437361U CN 207437361 U CN207437361 U CN 207437361U CN 201721603010 U CN201721603010 U CN 201721603010U CN 207437361 U CN207437361 U CN 207437361U
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- slide plate
- rotary compressor
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- cylinder
- compression mechanism
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Abstract
The utility model is related to the component structurals of rotary compressor, disclose a kind of rotary compressor slide plate, compression mechanism and rotary compressor, the slide plate (8) includes the sliding part being slidably matched with sliding vane groove (20), the through hole (80) for the two sides for penetrating through the slide plate (8) is provided on the sliding part, the aperture of the through hole (80) is arranged to be always positioned in the slide plate (8) sliding process in the sliding vane groove (20).The rotary compressor slide plate has smaller weight, and the stressing conditions of slide plate are improved, so that the efficiency of the rotary compressor with the slide plate and reliability improve.
Description
Technical field
The utility model is related to the component structural of rotary compressor, more particularly to a kind of cunning of rotary compressor
Piece.Correspondingly, the utility model further relates to a kind of compression mechanism and rotary compressor with the slide plate.
Background technology
Existing rotary compressor by the slide plate that is arranged in cylinder, by the inner space sealed separation of cylinder be with
The discharge chamber that the suction muffler of air entry connection is connected in exhaust outlet.In said structure, slide plate is installed on the sliding vane groove of cylinder
In, one end in glide direction is contacted with the spring extruding set in the sliding vane groove of cylinder, the other end the spring extruding
Effect is lower to be only butted on the outer circumferential surface of the roller in cylinder.It is sliding in order to reduce the friction between the two sides of slide plate and sliding vane groove
Oil lubrication is often used between piece and sliding vane groove.Slide plate is pressed during the motion be subject to self gravitation, suction muffler and discharge chamber
Difference force between slide plate two sides caused by difference, the inertia force in sliding vane groove in reciprocating movement, these power finally cause
The surface of slide plate forms the oil film of equilibrium state.
For rotary compressor, the apex wear extent and the rate of wear of slide plate are to weigh compressor reliability
Important indicator, the index also can largely influence the efficiency of compressor.With the increase of slide plate weight, slide plate is in slide plate
The inertia force generated when being moved back and forth in slot is bigger, this results in the apex of slide plate and the outer circumferential surface contact forces of roller to increase,
The apex abrasion of slide plate is accelerated, and further results in the reduction of compressor efficiency.
Therefore, existing rotary compressor slide vane structure requires further improvement.
Utility model content
The purpose of this utility model is to overcome the above problems existing in the prior art, provide a kind of rotary compressor
Slide plate, compression mechanism and rotary compressor, the rotary compressor slide plate have smaller weight, and the stressing conditions of slide plate obtain
To improvement.
To achieve these goals, on the one hand the utility model provides a kind of rotary compressor slide plate, the slide plate bag
The sliding part being slidably matched with sliding vane groove is included, the through hole for the two sides for penetrating through the slide plate is provided on the sliding part, it should
The aperture of through hole is arranged to be always positioned in the sliding vane groove in the slide plate sliding process.
Preferably, centered on the through hole axis perpendicular to the cylinder hole of the glide direction of the slide plate.
Preferably, the slide plate have only support to roller outer circumferential surface retaining part, the through hole be arranged to two or
More, and whole through holes is uniformly distributed on the sliding part.
Preferably, the retaining part stretches out the maximum length of the sliding vane groove for S mm, along the glide direction of the slide plate,
The beeline of the through hole and the retaining part is S+0.5mm to S+1.5mm.
Preferably, the through hole has circle, triangle, quadrangle or polygonal cross-section.
Preferably, one end of the slot bottom close to the sliding vane groove of the slide plate is provided with to connect the suction muffler of cylinder
With the straight slot of discharge chamber.
The utility model second aspect provides a kind of compression mechanism of rotary compressor, and the compression mechanism includes：Gas
Cylinder and prejudicially revolution are arranged on the roller in the inner cavity of the cylinder, the inner circumferential of the outer circumferential surface of the roller and the cylinder
Compression chamber is formed between face, is slidably fitted with above-mentioned slide plate in the sliding vane groove of the cylinder, and the slide plate is by the pressure
Contracting chamber is divided into suction muffler and discharge chamber.
Preferably, the diameter D of the cylinder meets：24mm≤D≤50mm.
Preferably, the height H of the cylinder meets：10mm≤H≤29mm.
The utility model third aspect provides a kind of rotary compressor, and the rotary compressor includes above-mentioned compression
Mechanism and the motor section of the driving compression mechanism action.
Through the above technical solutions, the setting of through hole causes slide plate weight saving itself, since the aperture of the through hole is begun
Therefore final position, sets the through hole that can't influence compartmentation of the slide plate for suction muffler and discharge chamber in sliding vane groove.And
The mitigation of slide plate weight itself can reduce the inertia force in its reciprocatory movement, so as to effectively reduce since the inertia force causes
Slide plate apex abrasion.In addition, the setting of through hole also cause between slide plate and sliding vane groove respectively with suction muffler and discharge chamber phase
Corresponding gap connection so as to reduce the pressure differential for even eliminating and acting on slide plate, is being slided so as to further improve slide plate
Stressing conditions in the process.
Description of the drawings
Fig. 1 is the assembly structure figure of rotary compressor；
Fig. 2 is the structure principle chart of compression mechanism；
Fig. 3 is the first multi-angled view of the slide plate of the first preferred embodiment；
Fig. 4 is the second multi-angled view of the slide plate corresponding with slide plate shown in Fig. 3；
Fig. 5 is the first multi-angled view of the slide plate of second of preferred embodiment；
Fig. 6 is the first multi-angled view of the slide plate of the third preferred embodiment.
Reference sign
1- supplementary bearings；2- cylinders；20- sliding vane grooves；21- suction mufflers；22- discharge chambers；3- rollers；4- base bearings；5- bent axles；
6- motor section；7- housings；8- slide plates；80- through holes；81- straight slots；82- retaining parts；9- sliding blade springs.
Specific embodiment
In the utility model in the case where not making explanation on the contrary, the noun of locality such as " upper and lower, left and right " used is usual
Refer to the mutual position of all parts for direction shown in the drawings or on vertical, vertical or neutral direction
Put relationship description word." inside and outside " refers to for housing or the outer wall of other structures with inner cavity, by housing or
The space of outer wall cladding is interior.
For ease of understanding, detailed description below is described using rotary compressor as main body, to understand table
Installation site up to slide plate, the matching relationship with other parts of compressor.
A kind of rotary compressor of preferred embodiment according to the present utility model, as shown in Fig. 1 to 6, rotatably
Compressor includes housing 7 and the motor section 6 and compression mechanism that are arranged in housing 7, wherein：Motor section 6 rotates for exporting
Power is connected with bent axle 5 between compression mechanism and motor section 6, with transmission of taking exercises between motor section 6 and compression mechanism.Pressure
Being provided at both ends with for contracting mechanism carries out the supplementary bearing 1 of revolving support and base bearing 4 to bent axle 5.
Compression mechanism is included in the roller 3 that eccentric revolution is done under the driving of bent axle 5 and the cylinder with the roller 3 cooperation
2, it is formed with compression chamber between the inner peripheral surface of cylinder 2 and the outer circumferential surface of roller 3.Sliding vane groove 20 is formed on cylinder 2, it is interior to slide
Slide plate 8 is installed.
Slide plate 8 has the retaining part 82 for the periphery wall for stretching out the sliding vane groove 20 and being only butted on roller 3, the slot bottom of sliding vane groove 20
Place is provided with the sliding blade spring 9 for the outer circumferential surface that retaining part 82 is reliably compressed to roller 3.Also, for the apex for reducing slide plate 8
Abrasion, the apex of slide plate 8 are formed as cambered surface, retaining part 82 on slide plate 8 the position tangent with roller 3 (consider foozle,
Tangency location may be the leptoprosopy close to a line).
Retaining part 82 and roller 3 periphery wall against when, the compression chamber in cylinder 2 is separated into suction muffler 21 and exhaust
Chamber 22.Roller 3 rotates under the drive of motor section 6, and slide plate 8 slides in the rotation process of roller 3 in sliding vane groove 20, is rolling
During son 3 rotates one week, the part being always positioned on slide plate 8 in sliding vane groove 20 is sliding part, the part of slide plate 8 and cunning
Face contacts and is slidably matched between film trap 20.
The through hole 80 of the two sides of perforation slide plate 8 is provided on the sliding part of slide plate 8, also, due to sliding part always
In sliding vane groove 20, through hole 80 is also arranged to be always positioned in the sliding process of slide plate 8 in the sliding vane groove 20, to ensure
After through hole is opened up, suction muffler 21 and discharge chamber 22 in compression chamber still are able to keep sealed separation slide plate 8.
There are two the setting purposes of through hole 80：First, reduction slide plate 8 weight of itself, is moving so as to reduce slide plate 8
Inertia force in the process；The pressure differential that the sliding part of slide plate 8 is born even is eliminated second is that reducing.Specifically, in order to reduce cunning
Fretting wear between piece 8 and sliding vane groove 20 carries out oil lubrication in general rotary compressor, in this way, sliding vane groove 20 to slide plate 8
Madial wall and slide plate 8 two side between to leave enough formed oil film gap, however, two of the two sides of slide plate 8
Gap is respectively communicated to suction muffler 21 and discharge chamber 22, therefore, inevitably, suction muffler 21 and the pressure in discharge chamber 22
Difference can make slide plate 8 be subject to difference force.And under the connection effect of through hole 80, the gap of 8 both sides of slide plate connects in sliding vane groove 20
Logical, therefore, the pressure differential of 8 both sides of slide plate, which can reduce, even to be eliminated, so that slide plate 8 lacks the shadow by or from difference force
It rings.On the premise of inertia force and difference force are reduced, the stressing conditions of slide plate 8 are improved.
Based on the setting purpose of above-mentioned through hole 80, the setting form of through hole 80 can there are many, a kind of preferred
In embodiment, which is arranged to central axis upright in the cylinder hole of the glide direction of slide plate 8.Certainly, through hole
80 axially bored line can also be bending or arbitrary form, as long as disclosure satisfy that " perforation " and " weight for mitigating slide plate 8 " two
Purpose.
Referring to shown in Fig. 3, Fig. 5 and Fig. 6, three kinds that through hole 80 is given in three width figures are preferably provided with form.Wherein：Figure
Multiple through holes 80 are provided on slide plate 8 in 3, and multiple through holes 80 are uniformly distributed on sliding part.Referred to herein
It is uniformly distributed and refers to, the setting of through hole 80 has no effect on only supports position between the apex of slide plate 8 and roller 3, i.e. slide plate 8
Multiple through holes are after 80s still to be able to evenly slide in sliding vane groove 20 setting.It is only set on slide plate 8 shown in Fig. 5 and Fig. 6
A through hole 80 is put, the cross sectional shape for differing only in through hole 80 is different.Except three width regard rectangle shown in figure or
Circular cross-section, through hole 80 may be arranged as with triangular form, quadrangle or polygonal cross-section.
Further, retaining part 82 stretches out the maximum length of sliding vane groove 20 for S mm, along cunning of the slide plate 8 in sliding vane groove 20
Dynamic direction, the edge of through hole 80 are arranged to S+0.5mm to S+1.5mm with the beeline of retaining part 82, also, this is apart from excellent
Elect S+1mm as.The purpose of the parameter setting is on the premise of slide plate 8 is not influenced for the compartmentation of compression chamber, is increased as far as possible
Big through hole 80.S values change with the variation of the discharge capacity in cylinder 2, and when discharge capacity reduces, the diameter of roller 3 increases, retaining part
82 maximum overhang reduces, i.e., S values reduce, at this point, the bigger that through hole 80 can be done, 8 loss of weight of slide plate is more, compressor
Efficiency and reliability are significantly improved.But consider the standardization and generalization of slide plate 8, in a series of compressor
In, the slide plates 8 of several bodyguard samples of limit is provided only with, when setting the through hole 80 of slide plate 8, in the compressor serial according to this most
The compressor of huge discharge sets the diameter of the through hole 80, to ensure that the slide plate 8 is adapted to the compressor less than the discharge capacity.
As further preferred scheme, one end of the slot bottom of the close sliding vane groove 20 of slide plate 8 is formed with to connect air-breathing
The straight slot 81 of chamber 21 and discharge chamber 22, the straight slot 81 can further reduce the difference force suffered by slide plate 8.Also, the straight slot 81
Groove depth for (L-L1), depth is set according to the size of sliding vane groove 20.
In addition, in order to ensure the intensity of slide plate 8 and rigidity, the diameter D of cylinder 2 meets 24mm≤D≤50mm, cylinder 2
Height H meets 10mm≤H≤29mm.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature, in order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure belongs to the scope of protection of the utility model.
Claims (10)
1. a kind of rotary compressor slide plate, which is characterized in that the slide plate (8) includes the cunning being slidably matched with sliding vane groove (20)
Dynamic portion is provided with the through hole (80) for the two sides for penetrating through the slide plate (8), the aperture of the through hole (80) on the sliding part
It is arranged to be always positioned in the slide plate (8) sliding process in the sliding vane groove (20).
2. rotary compressor slide plate according to claim 1, which is characterized in that axis centered on the through hole (80)
Perpendicular to the cylinder hole of the glide direction of the slide plate (8).
3. rotary compressor slide plate according to claim 1, which is characterized in that the slide plate (8), which has, only supports to rolling
The retaining part (82) of the outer circumferential surface of son, the through hole (80) are arranged to two or more, and whole through holes (80)
It is uniformly distributed on the sliding part.
4. rotary compressor slide plate according to claim 3, which is characterized in that the retaining part (82) stretches out the cunning
The maximum length of film trap (20) is S mm, along the glide direction of the slide plate (8), the through hole (80) and the retaining part
(82) beeline is S+0.5mm to S+1.5mm.
5. rotary compressor slide plate according to claim 1, which is characterized in that the through hole (80) have it is circular,
Triangle, quadrangle or polygonal cross-section.
6. rotary compressor slide plate according to claim 1, which is characterized in that the close cunning of the slide plate (8)
One end of the slot bottom of film trap (20) is provided with to connect the straight slot (81) of the suction muffler (21) of cylinder (2) and discharge chamber (22).
7. a kind of compression mechanism of rotary compressor, which is characterized in that the compression mechanism includes：
Cylinder (2) and prejudicially revolution are arranged on the roller (3) in the inner cavity of the cylinder (2), the periphery of the roller (3)
Compression chamber is formed between the inner peripheral surface of face and the cylinder (2), is slidably installed in the sliding vane groove (20) of the cylinder (2) just like power
Profit requires the slide plate (8) in 1-6 described in any one, and the compression chamber is divided into suction muffler (21) by the slide plate (8)
With discharge chamber (22).
8. the compression mechanism of rotary compressor according to claim 7, which is characterized in that the diameter D of the cylinder (2)
Meet：24mm≤D≤50mm.
9. the compression mechanism of rotary compressor according to claim 7, which is characterized in that the height H of the cylinder (2)
Meet：10mm≤H≤29mm.
10. a kind of rotary compressor, which is characterized in that the rotary compressor is included according to arbitrary in claim 7-9
The motor section (6) of compression mechanism and driving the compression mechanism action described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603010.XU CN207437361U (en) | 2017-11-24 | 2017-11-24 | Rotary compressor slide plate, compression mechanism and rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603010.XU CN207437361U (en) | 2017-11-24 | 2017-11-24 | Rotary compressor slide plate, compression mechanism and rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437361U true CN207437361U (en) | 2018-06-01 |
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ID=62288192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721603010.XU Active CN207437361U (en) | 2017-11-24 | 2017-11-24 | Rotary compressor slide plate, compression mechanism and rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971893A (en) * | 2018-06-19 | 2018-12-11 | 宁波甬微集团有限公司 | The manufacturing method of rotating air conditioner compressor slide plate substrate |
| CN110513292A (en) * | 2019-09-09 | 2019-11-29 | 珠海凌达压缩机有限公司 | Sliding vane structure for variable-capacity compressor and compressor |
-
2017
- 2017-11-24 CN CN201721603010.XU patent/CN207437361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971893A (en) * | 2018-06-19 | 2018-12-11 | 宁波甬微集团有限公司 | The manufacturing method of rotating air conditioner compressor slide plate substrate |
| CN110513292A (en) * | 2019-09-09 | 2019-11-29 | 珠海凌达压缩机有限公司 | Sliding vane structure for variable-capacity compressor and compressor |
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