CN104214073B - Compressor - Google Patents
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- CN104214073B CN104214073B CN201310215663.0A CN201310215663A CN104214073B CN 104214073 B CN104214073 B CN 104214073B CN 201310215663 A CN201310215663 A CN 201310215663A CN 104214073 B CN104214073 B CN 104214073B
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Abstract
The invention discloses a kind of compressors, comprising: pump box, compression pump, the upper draw piece of the elasticity and elastic pull-down member.Specifically, the compression pump is located in the pump box；The lower end of the upper draw piece of elasticity is connected with the compression pump and the upper end of the upper draw piece of the elasticity is connected with the top of the pump box；The upper end of the elasticity pull-down member is connected with the compression pump and the lower end of elastic pull-down member is connected with the lower part of the pump box.Compressor according to an embodiment of the present invention, it can be collided because caused by vibration is excessive with the other elements in compressor to avoid compression pump, improve the service life and suitable environment of compression pump, and in compression pump operational process, vibration damping rapidly can be carried out to compression pump, allow the operation that compression pump is stable, improves the stability of compressor operation, reduce the failure rate of compressor.
Description
Technical field
The present invention relates to compressed air unit manufacturing technology field, in particular to a kind of compressor.
Background technique
It is usually that its design is a set of to reduce vibration and the noise of compression pump in the course of work of medical air compressor
Shock mitigation system, such as: resilient cushion, damping spring being installed in the lower section of compression pump, above with spring suspension etc..But because of transport
Vibration in the process is jolted, and compression pump can be made to generate biggish shaking and upward vibration, other devices are such as struck, will lead
Cause damage.Therefore some sponges or rigid foam usually are filled in limit it to the top of compression pump, lower section and surrounding before shipping
Movement.But after the machine to destination handled in this way, needs to open air compressor machine shell and compress the east of pump box inside by plug
West is taken out, and then installation, test-run a machine, are not easy to the assembly and transport of compressor.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent or at least provide one kind useful quotient
Industry selection.For this purpose, an object of the present invention is to provide a kind of convenient compressors of with small vibration and installation and transportation.
Compressor according to an embodiment of the present invention, comprising: pump box, compression pump, the upper draw piece of the elasticity and elastic pull-down member.
Specifically, the compression pump is located in the pump box；The lower end of the upper draw piece of elasticity is connected and described with the compression pump
The upper end of draw piece is connected with the top of the pump box in elasticity；The upper end of the elasticity pull-down member is connected with the compression pump and bullet
The lower end of property pull-down member is connected with the lower part of the pump box.
Compressor according to an embodiment of the present invention is equipped with the upper draw piece of elasticity and elastic pull-down member, thus, it is possible to make compression pump
Stable is suspended in compression pump, the collective effect of draw piece and elastic pull-down member in elasticity, can be to avoid compression pump because vibrated
It is collided caused by big with the other elements in compressor, improves the service life and suitable environment of compression pump, and compressing
During pump operation, vibration damping rapidly can be carried out to compression pump, allow the operation that compression pump is stable, improve compressor fortune
Capable stability reduces the failure rate of compressor.
In addition, compressor according to the above embodiment of the present invention, can also have the following additional technical features:
According to one embodiment of present invention, the upper draw piece of the elasticity is four, the upper draw piece pair of elasticity described in two of them
It is arranged in the upper draw piece of elasticity described in the two sides of the first end of the compression pump and another two with claiming is symmetrically arranged at the compression
The two sides of the second end of pump.Compression pump is suspended by draw piece in four elasticity as a result, the stability of compression pump is improved, makes
Compression pump runs smoothly, and when compression pump generates vibration, draw piece can uniformly reduce the vibration of compression pump in elasticity, in order to
The quick vibration damping of compression pump, improves the performance of compressor.
According to one embodiment of present invention, the elastic pull-down member is two, and two elastic pull-down members are symmetrical
Ground is arranged in the two sides at the middle part of the compression pump.As a result, stablize further compression pump, limits compression pump along front and back
To shaking, and limit the vibration of compression pump along the vertical direction, make the quick vibration damping of compression pump, increase the stabilization of compression pump
Property, and in short-distance transport and use process, the collective effect of draw piece and elastic pull-down member reduces compression pump and pump box in elasticity
Wall or other elements touching, reduce vibration and the noise of compression pump.
According to one embodiment of present invention, the lower part of the compression pump is equipped with bracket, the lower end of the upper draw piece of elasticity
It is connected with the bracket, the upper end of the elasticity pull-down member is connected with the bracket.The upper draw piece of elasticity and elastic pull-down member as a result,
It is connected respectively by bracket with compression pump, the structure of compression pump is simplified, convenient for the assembly and production of compression pump.In addition, also just
In the connection of draw piece in elasticity and elastic pull-down member and compression pump, the assembly efficiency of compressor is improved.
According to one embodiment of present invention, the bracket is bolted with the compression pump.Make as a result, bracket with
Compression pump can stablize quick cooperation, not only increase the cooperation intensity of pallet and compression pump, but also further improve
The assembly efficiency of compressor.
It according to one embodiment of present invention, further include fixing piece, the fixing piece is detachably arranged on the pump box,
And the fixing piece is connected with the compression pump.Thus, it is possible to compression pump further be fixed, in the long-distance transport of compressor
Cheng Zhong can reduce compression pump shaking, to avoid causing to damage because compression pump is collided with the other component in compressor.This
Outside, before using compressor, fixing piece is unloaded, compressor is suspended.
According to one embodiment of present invention, the bottom of the pump box is equipped with air-blowing box, and the bottom of the compression pump is equipped with
Protrude into the lower pull rod of the air-blowing box, the fixing piece be rotatably provided on the bottom wall of the air-blowing box and the fixing piece with
The lower pull rod is connected by screw thread.As a result, by rotary mount, the height of adjustable compression pump, and can be by compression pump
It is fixed on the bottom of pump box, avoids compressor during long-distance transport, due to because the shaking of compression pump causes to damage, and convenient for solid
Determine part to be connected with compression pump.
According to one embodiment of present invention, the bottom surface of the air-blowing box is equipped with supporting plate, and the fixing piece is screw, institute
The head for stating fixing piece is located on the lower surface of the supporting plate and the bar portion of the fixing piece passes through the supporting plate and the drop-down
Bar is connected.As a result, by the height of the adjustable compression pump of rotary mount, and in fixed point rotation process, only with support
The lower surface of plate rubs, and avoids improving the performance of compressor to abrasion compressor.
According to one embodiment of present invention, the lower surface of the bracket is equipped with feet, the feet and the pump box
The distance between inner bottom surface and the lower pull rod are identical as the distance between the inner bottom surface of the air-blowing box.Pass through feet as a result,
Compression pump is supported, the vibration of compression pump is created a further reduction, convenient for the transport of compressor, avoids compressor damage, improve
The practicability of compressor.
According to one embodiment of present invention, the elasticity goes up draw piece for spring, rubber strip or rubber ring, under the elasticity
Draw piece is spring, rubber strip or rubber ring.Make draw piece and elastic pull-down member structure in elasticity simple as a result, it is cheap, it reduces
The cost of compressor.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram of the compressor of one embodiment of the present of invention；
Fig. 2 is the cross-sectional view of the part of the compressor of one embodiment of the present of invention；
Fig. 3 is the schematic diagram of the compressor of another embodiment of the present invention；
Fig. 4 is the cross-sectional view of the middle section Fig. 3 A-A.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
It is usually that its design is a set of to reduce vibration and the noise of compression pump in the course of work of medical air compressor
Shock mitigation system, such as: resilient cushion, damping spring being installed in the lower section of compression pump, above with spring suspension etc..But because of transport
Vibration in the process is jolted, and compression pump can be made to generate biggish shaking and upward vibration, other devices are such as struck, will lead
Cause damage.Therefore some sponges or rigid foam usually are filled in limit it to the top of compression pump, lower section and surrounding before shipping
Movement.But after the machine to destination handled in this way, needs to open air compressor machine shell and compress the east of pump box inside by plug
West is taken out, and then installation, test-run a machine, are not easy to the assembly and transport of compressor.For this purpose, the invention proposes it is a kind of vibration it is small and
The compressor being readily transported.
The compressor of the present invention is described in detail embodiment with reference to the accompanying drawings.
As shown in Figures 1 to 4, compressor according to an embodiment of the present invention, comprising: pump box 10, compression pump 20, elasticity pull-up
Part 30 and elastic pull-down member 40.
Specifically, compression pump 20 is located in pump box 10, in other words, there is accommodating chamber 101 in pump box 10, compression pump 20 is set
In the accommodating chamber 101 of pump box 10.The lower end of draw piece 30 is connected with compression pump 20 in elasticity, and the upper end of the upper draw piece 30 of elasticity with
The top of pump box 10 is connected.The upper end of elastic pull-down member 40 is connected with compression pump 20, and the lower end of elastic pull-down member 40 and pump box
10 lower part is connected.Wherein, draw piece 30 and elastic pull-down member 40 cooperate for compression pump 20 to be suspended in pump box 10 in elasticity,
So that compression pump 20 is located in pump box 10, and play the role of vibration damping.
Compressor according to an embodiment of the present invention is equipped with the upper draw piece 30 of elasticity and elastic pull-down member 40, thus, it is possible to make to press
Contracting pump 20 is stable to be suspended in compression pump 20, the collective effect of draw piece 30 and elastic pull-down member 40 in elasticity, can be to avoid pressure
The pump 20 that contracts is collided because caused by vibration is excessive with the other elements in compressor, is improved the service life of compression pump 20 and is fitted
With environment, and in 20 operational process of compression pump, vibration damping rapidly can be carried out to compression pump 20, compression pump 20 be allow to stablize
Operation, improve compressor operation stability, reduce the failure rate of compressor.
As depicted in figs. 1 and 2, in some embodiments of the invention, draw piece 30 is four in elasticity, two of them elasticity
Upper draw piece 30 is symmetrically arranged at first end (one end of 20 left direction of compression pump i.e. as shown in Figure 1 or such as Fig. 2 of compression pump 20
The one end of the vertical paper of shown compression pump 20 inwards) two sides, and draw piece 30 is symmetrically arranged at compression pump in another two elasticity
(one end of 20 right direction of compression pump i.e. as shown in Figure 1 or the vertical paper of compression pump as shown in Figure 2 20 are outside for 20 second end
One end) two sides.Specifically, as depicted in figs. 1 and 2, draw piece 30 is four in elasticity, and draw piece 30 is located in first elasticity
The front side of the left end of compression pump 20, draw piece 30 is located at the rear side of the left end of compression pump 20 in second elasticity, in third elasticity
Draw piece 30 is located at the front side of the right end of compression pump 20, and draw piece 30 is located at the rear side of the right end of compression pump 20 in the 4th elasticity.By
This, compression pump 20 is suspended, improve the stability of compression pump 20 by draw piece 30 in four elasticity, keeps the operation of compression pump 20 flat
Surely, when compression pump 20 generates vibration, draw piece 30 can uniformly reduce the vibration of compression pump 20 in elasticity, in order to compression pump
20 quick vibration damping, improves the performance of compressor.
In addition, the lower end of draw piece 30 is and in rectangular layout on the same horizontal plane in four elasticity.
Further, as shown in Figures 2 and 3, elastic pull-down member 40 is two, and two elastic pull-down members 40 symmetrically cloth
Set the two sides at the middle part of compression pump 20.The middle part of compression pump 20 refers to the part between the first end and second end of compression pump 20.
Specifically, elastic pull-down member 40 is two, first elastic pull-down member 40 is located at the front side at the middle part of compression pump 20, second
Elastic pull-down member 40 is located at the rear side at the middle part of compression pump 20.In other words, first elastic pull-down member 40 is located at compression pump 20
The middle part of front side, second elastic pull-down member 40 are located at the middle part of the rear side of compression pump 20.Further make compression pump as a result,
20 stablize, and limit the shaking of compression pump 20 along the longitudinal direction, and limit the vibration of compression pump 20 along the vertical direction, make to press
Contracting 20 quick vibration dampings of pump, increase the stability of compression pump 20, and during transportation, draw piece 30 and elastic pull-down member in elasticity
40 collective effect avoids wall or the other elements touching of compression pump 20 and pump box 10, avoids compression pump 20 from damaging, improves pressure
The service life of contracting machine.
In addition, it is above-mentioned to draw piece 30 in elasticity and the elastic quantity of pull-down member 40 and the description of position, it is only of the invention
One specific embodiment in the actual production process, can due to differences such as the sizes of the working environment of compressor, compression pump 20
To change the quantity and installation site of elasticity upper draw piece 30 and elastic pull-down member 40.This can be with for those of ordinary skill in the art
Understand.
As shown in Fig. 2, in some embodiments of the invention, the lower part of compression pump 20 is equipped with bracket 50, draw piece in elasticity
30 lower end is connected with bracket 50, and the upper end of elastic pull-down member 40 is connected with bracket 50.As a result, under the upper draw piece 30 of elasticity and elasticity
Draw piece 40 is connected with compression pump 20 by bracket 50 respectively, simplifies the structure of compression pump 20, convenient for compression pump 20 assembly with
Production.In addition, being also convenient for the connection of draw piece 30 and elastic pull-down member 40 and compression pump 20 in elasticity, the assembly of compressor is improved
Efficiency.
Advantageously, bracket 50 is bolted with compression pump 20.Stablize bracket 50 and compression pump 20 fastly
The cooperation of speed, not only increases the cooperation intensity of pallet 50 Yu compression pump 20, but also further increase the dress of compressor
With efficiency.
It as shown in Figures 2 to 4, in some embodiments of the invention, further include fixing piece 61, fixing piece 61 is removably
It is located on pump box 10, and fixing piece 61 is connected with compression pump 20, for fixing compression pump 20, reduces compression pump 20 in transportational process
In shaking, in other words, compression pump can be fixed on predetermined position by fixing piece 61.Thus, it is possible to which further fixed press
Contracting pump 20 can reduce the shaking of compression pump 20 in the transportational process of compressor, to avoid because in compression pump 20 and compressor
Other component collision and cause to damage.In addition, suspending compressor before use, fixing piece 61 should be unloaded in compressor.
Further, the bottom of pump box 10 is equipped with air-blowing box 11, and the top of pump box 10 is equipped with blower 12, for compression pump
20 radiate.The bottom of compression pump 20 is equipped with the lower pull rod 62 for protruding into air-blowing box 11, and fixing piece 61 is rotatably provided in outlet air
On the bottom wall of box 11, and fixing piece 61 is connected through a screw thread with lower pull rod 62.It is adjustable as a result, by rotary mount 61
The height of compression pump 20, and scheduled position that can be fixed by compression pump 20, avoid in the transportational process of compressor, because of compression
It pumps 20 shaking and causes to damage, and be connected convenient for fixing piece 61 with compression pump 20.
In addition, lower pull rod 62 is located at the lower surface of bracket 50, and lower pull rod 62 is connected by screw to bracket 50.
Advantageously, as shown in Fig. 2, the bottom surface of air-blowing box 11 is equipped with supporting plate 63, fixing piece 61 is screw, fixing piece 61
Head is located on the lower surface of supporting plate 63, and the bar portion of fixing piece 61 passes through supporting plate 63 and is connected with lower pull rod 62.In other words, fixed
Part 61 passes through supporting plate 63 from the bottom up, and is connected through a screw thread with lower pull rod 62.It is adjustable by rotary mount 61 as a result,
The height of compression pump 20, and in 61 rotation process of fixed point, only the lower surface with supporting plate 63 rubs, and avoids to abrasion
Compressor improves the performance of compressor.
Further, the lower surface of bracket 50 is equipped with feet 51, the distance between inner bottom surface of feet 51 and pump box 10 and
Lower pull rod 62 is identical as the distance between the inner bottom surface of air-blowing box 11.In other words, compression pump 20 is being adjusted by fixing piece 61
During height, while the interior ground face contact of lower pull rod 62 and air-blowing box 11, feet 51 is contacted with the inner bottom surface of pump box 10.
Compression pump 20 is supported by feet 51 as a result, the vibration of compression pump 20 is created a further reduction, convenient for the transport of compressor, keeps away
Exempt from compressor damage, improves the practicability of compressor.
In addition, in some embodiments of the invention, draw piece 30 is spring, rubber strip or rubber ring in elasticity, under elastic
Draw piece 40 is spring, rubber strip or rubber ring.Make in elasticity draw piece 30 and 40 structure of elastic pull-down member simple as a result, price is just
Preferably, the cost of compressor is reduced.
Further, in some examples of the invention, vibration damper plate and sponge are posted on the inner surface of pump box 10, for every
Sound and sound-absorbing.
In addition, further including trolley, pump box 10 is located on trolley 70, in order to the movement of compressor.
According to some embodiments of the present invention, two drawings downwards are increased on the basis of common spring hangs damping
Elastic pull-down member 40, be more advantageous to the steady operating of compression pump 20, when by low amplitude vibrations, the upper of compression pump 20 can be reduced
Lower vibration and horizontal jitter.In addition, lower pull rod 62 has been installed additional in the lower section of the bracket of compression pump 20, before shipping, by fixing piece
61 are screwed into lower pull rod, and can pull down tight compression pump 20 prevents its activity.
Some specific examples according to the present invention, compression pump 20 is screwed on bracket 50, in four elasticity
Draw piece 30 catches on the hole of 50 surrounding of bracket and hangs over the top of pump box 10, is separately installed in the front side at 50 middle part of bracket and rear side
Elastic pull-down member 40, is downwardly fixed to the lower part of pump box 10.Such structure is more advantageous to the steady operating of compression pump 20, by
When to low amplitude vibrations, the vertical tremor and horizontal jitter of compression pump 20 can be reduced.Lower pull rod is housed in the lower section at 50 middle part of bracket
62, it is filled below 4 angles of bracket 50 respectively equipped with a feet 51.Before transport, supporting plate 63 is placed below air-blowing box 11, uses spiral shell
Nail is screwed into lower pull rod 62 after supporting plate 63, and with being constantly screwed into for screw, lower pull rod 62 can be moved down with compression pump 20,
Instantly when the bottom surface of pull rod 62 is attached to air-blowing box 11, four feets 51 of 50 lower section of bracket are also just pressed onto the inner bottom surface of pump box 10
On, i.e. limiting moving upwards for compression pump 20 also ensures its stabilization in pump box 10 in this way.It compresses during transportation
Pump 20 may remain in relatively fixed position, be not in big displacement and shaking.After arriving at the destination, in the preceding general of use
Screw is backed out, and removes supporting plate 63, compression pump 20 can be made to suspend, in order to the normal operation of compression pump 20.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (6)
1. a kind of compressor characterized by comprising
The bottom of pump box, the pump box is equipped with air-blowing box；
Compression pump, the compression pump are located in the pump box, and the lower part of the compression pump is equipped with bracket, the bottom of the compression pump
Equipped with the lower pull rod for protruding into the air-blowing box；
The lower end of draw piece in elasticity, the upper draw piece of elasticity is connected with the bracket, the elastic lower end for going up draw piece with it is described
Compression pump is connected and the upper end of the upper draw piece of the elasticity is connected with the top of the pump box；
The upper end of elastic pull-down member, the elasticity pull-down member is connected with the bracket, the upper end of the elastic pull-down member with it is described
Compression pump is connected and the lower end of elastic pull-down member is connected with the lower part of the pump box；
Fixing piece, the fixing piece are detachably arranged on the pump box, and the fixing piece is connected with the compression pump, described
Fixing piece is rotatably provided on the bottom wall of the air-blowing box and the fixing piece is connected through a screw thread with the lower pull rod,
In, the lower surface of the bracket is equipped with feet, the distance between the feet and the inner bottom surface of the pump box and the lower pull rod
The distance between the inner bottom surface of the air-blowing box is identical.
2. compressor according to claim 1, which is characterized in that the upper draw piece of elasticity is four, described in two of them
In elasticity draw piece be symmetrically arranged at the first end of the compression pump two sides and another two described in the upper draw piece of elasticity symmetrically cloth
It sets in the two sides of the second end of the compression pump.
3. compressor according to claim 2, which is characterized in that the elasticity pull-down member is two, and two bullets
Property pull-down member is symmetrically arranged at the two sides at the middle part of the compression pump.
4. compressor according to claim 1, which is characterized in that the bracket is bolted with the compression pump.
5. compressor according to claim 1, which is characterized in that the bottom surface of the air-blowing box is equipped with supporting plate, described solid
Determining part is screw, and the head of the fixing piece is located on the lower surface of the supporting plate and the bar portion of the fixing piece passes through the support
Plate is connected with the lower pull rod.
6. compressor according to any one of claims 1-5, which is characterized in that the upper draw piece of elasticity is spring, rubber
Adhesive tape or rubber ring, the elasticity pull-down member is spring, rubber strip or rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215663.0A CN104214073B (en) | 2013-05-31 | 2013-05-31 | Compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215663.0A CN104214073B (en) | 2013-05-31 | 2013-05-31 | Compressor |
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|---|---|
| CN104214073A CN104214073A (en) | 2014-12-17 |
| CN104214073B true CN104214073B (en) | 2019-06-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6645930B2 (en) * | 2016-08-09 | 2020-02-14 | アイシン精機株式会社 | Air pump device and seat device |
| CN109441781A (en) * | 2018-12-26 | 2019-03-08 | 南京舒普思达医疗设备有限公司 | A kind of noise-reducing structure of compressor |
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| CN202707415U (en) * | 2012-07-31 | 2013-01-30 | 武义广利机电有限公司 | Shock absorption air compressor |
| CN102790481A (en) * | 2012-08-08 | 2012-11-21 | 中国神华能源股份有限公司 | Dismounting device for rotor of water supply pump motor |
| CN203321779U (en) * | 2013-05-31 | 2013-12-04 | 北京谊安医疗系统股份有限公司 | Compressor |
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|---|---|
| CN104214073A (en) | 2014-12-17 |
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