CN207246008U - A kind of control mechanism of compressor sliding blade - Google Patents
A kind of control mechanism of compressor sliding blade Download PDFInfo
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- CN207246008U CN207246008U CN201721072360.8U CN201721072360U CN207246008U CN 207246008 U CN207246008 U CN 207246008U CN 201721072360 U CN201721072360 U CN 201721072360U CN 207246008 U CN207246008 U CN 207246008U
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- piston
- slide plate
- cylinder
- high pressure
- vane groove
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Abstract
The utility model discloses a kind of control mechanism of compressor sliding blade, piston including cylinder and at cylinder axle center, piston is equipped with bent axle, there is cavity, cylinder inner wall is provided with sliding vane groove, the slide plate being equipped with sliding vane groove between piston and cylinder, cavity is divided into low pressure chamber and high pressure chest by slide plate, cylinder also connects the bottom of sliding vane groove, magnetic attracting device is equipped between piston and bent axle in the suction hole for being respectively arranged on the left side and the right side connection low pressure chamber and the exhausting-gas hole that connects high pressure chest, high pressure chest of sliding vane groove.For high pressure chest by the bottom of partial high pressure gas distribution to sliding vane groove, gases at high pressure make slide plate obtain the end force for being close to piston.The design reduces the manufacturing procedure of cylinder, assembling procedure and processing cost；Magnetic attracting device also gives slide plate one attraction for being close to piston across piston at the same time, both make slide plate be close to piston at combination, stably separates high pressure chest and low pressure chamber in cylinder.This utility model is used for rotary compressor field.
Description
Technical field
Rotary compressor field is the utility model is related to, more particularly to a kind of control mechanism of compressor sliding blade.
Background technology
In current refrigeration compressor industry, the movable part inside rotary compressor is cylinder, work successively from outside to inside
Plug and bent axle, have cavity between cylinder and piston, while with the slide plate that the cavity is divided into two between cylinder and piston.
Crankshaft eccentric rotation makes piston eccentric rotary, slide plate is done piston motion on cylinder, and the cavity is then repeatedly air-breathing exhaust.
Wherein the end of slide plate is equipped with spring, and the elastic force of spring drives slide plate to be drawn close to axle center all the time, that is, keeps slide plate fitting piston, into
And effectively separate high pressure and the area of low pressure of the cavity.
Currently during compressor assembles, requirement that the sliding vane groove on slide plate and cylinder coordinates precision, it can seal
The firmly cold media gas of high pressure, so in assembling dimensional accuracy grade must be pressed in gross tolerance 0~0.03 to slide plate and cylinder
In the range of be respectively divided into 24 groups, assembled afterwards by group.This process is high to technical requirements, and slightly can't detect position will
Because slide plate and sliding vane groove cause gas leakage or stuck with reasonable.
In conclusion the shortcomings that prior art, is：1st, rotating speed is very high during compressor operation, and it is tired to be so easy to cause spring
Labor fails, so that the slide plate in cylinder can not reset and lead to not compression refrigerant, whole compressor will fail at this time；2、
Difficulty is grouped during assembling, technical requirements are high, and assembling procedure is more, of high cost；3rd, after slide plate sealing surface wear in use,
Collaborate between high pressure and low pressure, the Energy Efficiency Ratio of the compressor reduces at this time.
Utility model content
The purpose of this utility model is to provide the control mechanism of a kind of simple in structure and reliable compressor sliding blade.
Technical solution adopted in the utility model is：
A kind of control mechanism of compressor sliding blade, including the cylinder in housing, are accommodated with bent axle at the axle center of cylinder
And the piston on bent axle is set in, bent axle rotation band piston eccentric rotary, has a cavity, in cylinder between piston and cylinder
Wall is provided with sliding vane groove, is equipped with the slide plate that can be slided back and forth in sliding vane groove, cavity is divided into low pressure chamber and high pressure chest, cylinder by slide plate
Also connected in the suction hole for being respectively arranged on the left side and the right side connection low pressure chamber and the exhausting-gas hole that connects high pressure chest, high pressure chest of sliding vane groove
The bottom of sliding vane groove makes slide plate be subject to the pressure of gases at high pressure and be bonded piston, is equipped between piston and bent axle and attracts slide plate fitting
The magnetic attracting device of piston.
As the improvement of such scheme, slide plate is equipped with diversion trench in the side close to high pressure chest.
As the improvement of such scheme, sliding vane groove is equipped with diversion trench in the side close to high pressure chest.
As the improvement of such scheme, slide plate is being equipped with protrusion close to the side of sliding vane groove bottom.
As the improvement of such scheme, the bottom of sliding vane groove is equipped with protrusion.
As the improvement of such scheme, piston is ceramic material, and slide plate is ferrous material, and magnetic attracting device is mutually spelled for two pieces
It is connected into the magnetite of annular.
As the improvement of such scheme, two magnetites are placed in the inner wall of piston or the outer wall of bent axle.
The beneficial effects of the utility model：The control mechanism of this compressor sliding blade is directly from high pressure chest by partial high pressure gas
The bottom of sliding vane groove is diverted to, which can give the end force that slide plate is close to outside piston cylinder.The design subtracts
The manufacturing procedure of cylinder is lacked, has such as bored spring eye, bores spring emptiness avoiding hole and broaching tool relief hole, saved processing cost；Reduce
The assembling of spring, reduces assembling procedure and Material Cost.Magnetic attracting device is also close to the suction of piston across piston to slide plate at the same time
Gravitation, the combination of two kinds of power make slide plate be close to piston all the time, so as to stably separate the high pressure chest and low pressure chamber in cylinder.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the schematic diagram of cylinder portion；
Fig. 2 is the sectional view of cylinder portion；
Fig. 3 is the schematic diagram of slide plate；
First state figure when Fig. 4 is cylinder operation；
Second state diagram when Fig. 5 is cylinder operation；
Third state figure when Fig. 6 is cylinder operation；
4th state diagram when Fig. 7 is cylinder operation；
5th state diagram when Fig. 8 is cylinder operation.
Embodiment
With reference to Fig. 1~Fig. 8, the utility model is a kind of control mechanism of compressor sliding blade, including the gas in housing
Cylinder 1, is accommodated with bent axle 3 and piston 2 at the axle center of cylinder 1, and bent axle 3 includes eccentric shaft, and piston 2 is set on eccentric shaft,
Rotation band 2 eccentric rotary of piston of bent axle 3, the bent axle 3 in Fig. 1 only show a part.There is circular hole at the axle center of cylinder 1,
The size of the circular hole is more than the size of piston 2 so that has cavity between piston 2 and cylinder 1.1 inner wall of cylinder is provided with slide plate
Groove 42, sliding vane groove 42 is interior to be equipped with the slide plate 41 that can be slided back and forth, and cavity is divided into low pressure chamber and high pressure chest by slide plate 41, and cylinder 1 exists
The suction hole 51 for being respectively arranged on the left side and the right side connection low pressure chamber of sliding vane groove 42 and the exhausting-gas hole 52 for connecting high pressure chest.Actually make
In, the upper and lower sides of cylinder 1 make cavity only have an entrance and one outlet by major-minor bearing seal.
The bottom that high pressure chest also connects sliding vane groove 42 makes slide plate 41 be subject to the pressure of gases at high pressure and be bonded piston 2, piston 2
The magnetic attracting device for attracting slide plate 41 to be bonded piston 2 is equipped between bent axle 3.Fig. 6 specifically is can refer to, in the cavities, left side is low
Press chamber, the high pressure chest on right side.The top of sliding vane groove 42 corresponds to the bottom of sliding vane groove 42.
The control mechanism of this compressor sliding blade directly from high pressure chest by partial high pressure gas distribution to the bottom of sliding vane groove 42,
The gases at high pressure can give the end force that slide plate 41 is close to 2 external cylindrical surface of piston, i.e. power of the direction towards bent axle 3.This sets
Meter reduces the manufacturing procedure of cylinder 1, such as bores spring eye, bores spring emptiness avoiding hole and broaching tool relief hole, has saved processing cost；Subtract
Lack the assembling of spring, reduce assembling procedure and Material Cost.While magnetic attracting device gives slide plate 41 across piston 2 and is close to live
The attraction of plug 2, the combination of two kinds of power make slide plate 41 be close to piston 2, stably separate high pressure chest and low pressure in cylinder 1
Chamber.
In order to make the gases at high pressure of high pressure chest be diverted to the bottom of diversion trench 43, the first embodiment is, slide plate 41 by
The side of nearly high pressure chest is equipped with diversion trench 43；Second of embodiment is that sliding vane groove 42 is equipped with water conservancy diversion in the side close to high pressure chest
Groove 43.Referring in particular to Fig. 6, in actual use, the bottom of sliding vane groove 42 is reached after first passing through diversion trench 43 due to gases at high pressure,
So that slide plate 41 also receives lateral pressure to the left, further optimize sealing effect, prevent the string between high base pressure in cylinder 1
Gas.Concrete principle is that gases at high pressure force the entirety of slide plate 41 to low pressure side, make to be bonded between the face of two part and face,
Reach the effect of sealing, even if slide plate high pressure side and the fit-up gap of sliding vane groove 42 are more than the sealing of traditional handicraft requirement at this time
Gap, can equally prevent from collaborating, and reduce because of machining accuracy grade difference and the part packet process before finished product is assembled, section
Make an appointment and reduce production difficulty.Such as due to rigging error, the gap of slide plate 41 and the sliding vane groove 42 close to low pressure chamber side
For 0.008mm, the combination of conventional springs and slide plate can cause gas leakage；But use the design after, slide plate 41 by lateral pressure and
The low pressure side for being bonded sliding vane groove 42 forms sealing surface, though the slide plate binding face of high pressure side has relatively large gap at this time,
But it will not collaborate between high-low pressure under the action of sealing surface；, also can effectively anti-slip limiting plate simultaneously as the increase in gap
Effect is lost because tiny foreign matter is stuck.Same principle can also extend the use of compressor on the premise of efficiency is ensured
Service life.
The design significantly reduces cylinder finishing cost, and by annual 200000000 cylinders in market, direct benefit is up to 1.2
Hundred million RMB；Because cylinder slide plate well width group is cancelled, part before finished product assemble is grouped workload and greatly reduces, during saving
Between and cost, by annual 200000000 slide plates in market, direct benefit is up to 0.8 hundred million RMB.
In order to make have a rational gap between the bottom of sliding vane groove 42 and slide plate 41, gases at high pressure can necessarily arrive
Up to the bottom of sliding vane groove 42, and then end force is stably produced, the first embodiment is that slide plate 41 is close to 42 bottom of sliding vane groove
The side at end is equipped with protrusion 44；Second of embodiment is that the bottom of sliding vane groove 42 is equipped with protrusion 44.The form of protrusion 44 can have
Many kinds, either the protrusion 44 of one ladder of some protrusions 44 for being individually formed isolated island or formation.In view of zero
The complexity of part processing, in the present embodiment, diversion trench 43 and protrusion 44 are arranged on slide plate 41 so that easy to process.
As preferred embodiment, piston 2 is ceramic material, and slide plate 41 is ferrous material, and magnetic attracting device is two pieces of phases
Mutually splice the magnetite 6 circularized.Two magnetites 6 are placed in the inner wall of piston 2 or the outer wall of bent axle 3.In the present embodiment, in bent axle 3
Eccentric part is slotted, and the wrapping of two magnetites 6 is fixed at the fluting of bent axle 3.
Wherein Fig. 4~and Fig. 8 shows a cycle that piston 2 rotates counterclockwise, including the feelings of 41 respective change of slide plate
Condition.Slide plate 41 is promoted when moving down by gases at high pressure, is promoted when slide plate 41 moves up by piston overpowers gases at high pressure.
Certainly, the design creates and is not limited to the above embodiment, and the combination of the various embodiments described above different characteristic, also may be used
To reach good effect.Those skilled in the art can also make on the premise of without prejudice to the utility model spirit
With deformation, plus-minus feature quantity or replacement, these equivalent modifications, plus-minus feature quantity or replacement are all contained in the application right
It is required that in limited range.
Claims (7)
- A kind of 1. control mechanism of compressor sliding blade, it is characterised in that：Including the cylinder (1) in housing, the cylinder (1) Axle center at the piston (2) that is accommodated with bent axle (3) and is set on bent axle (3), the bent axle rotation band piston (2) is eccentric Rotate, there is cavity, cylinder (1) inner wall is provided with sliding vane groove (42), the cunning between the piston (2) and cylinder (1) The slide plate (41) that can be slided back and forth is equipped with film trap (42), cavity is divided into low pressure chamber and high pressure chest by the slide plate (41), described Cylinder (1) is in the suction hole (51) for being respectively arranged on the left side and the right side connection low pressure chamber of sliding vane groove (42) and the exhaust for connecting high pressure chest Hole (52), the bottom that the high pressure chest also connects sliding vane groove (42) make slide plate (41) be subject to the pressure of gases at high pressure and be bonded piston (2), the magnetic attracting device for attracting slide plate (41) the fitting piston (2) is equipped between the piston (2) and bent axle (3).
- 2. the control mechanism of compressor sliding blade according to claim 1, it is characterised in that：The slide plate (41) is close to high The side of pressure chamber is equipped with diversion trench.
- 3. the control mechanism of compressor sliding blade according to claim 1, it is characterised in that：The sliding vane groove (42) is close The side of high pressure chest is equipped with diversion trench.
- 4. the control mechanism of the compressor sliding blade according to Claims 2 or 3, it is characterised in that：The slide plate (41) by The side of nearly sliding vane groove (42) bottom is equipped with protrusion.
- 5. the control mechanism of the compressor sliding blade according to Claims 2 or 3, it is characterised in that：The sliding vane groove (42) Bottom is equipped with protrusion.
- 6. the control mechanism of compressor sliding blade according to claim 1, it is characterised in that：The piston (2) is ceramic material Material, the slide plate (41) are ferrous material, and the magnetic attracting device mutually splices the magnetite (6) circularized for two pieces.
- 7. the control mechanism of compressor sliding blade according to claim 6, it is characterised in that：Two magnetites (6) are placed in work Fill in the inner wall of (2) or the outer wall of bent axle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072360.8U CN207246008U (en) | 2017-08-24 | 2017-08-24 | A kind of control mechanism of compressor sliding blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072360.8U CN207246008U (en) | 2017-08-24 | 2017-08-24 | A kind of control mechanism of compressor sliding blade |
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| Publication Number | Publication Date |
|---|---|
| CN207246008U true CN207246008U (en) | 2018-04-17 |
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ID=61882194
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721072360.8U Active CN207246008U (en) | 2017-08-24 | 2017-08-24 | A kind of control mechanism of compressor sliding blade |
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| CN (1) | CN207246008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489616A (en) * | 2017-08-24 | 2017-12-19 | 广州市德善数控科技有限公司 | A kind of controlling organization of compressor sliding blade |
-
2017
- 2017-08-24 CN CN201721072360.8U patent/CN207246008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489616A (en) * | 2017-08-24 | 2017-12-19 | 广州市德善数控科技有限公司 | A kind of controlling organization of compressor sliding blade |
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