CN102493956B - Dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump - Google Patents

Dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump Download PDF

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Publication number
CN102493956B
CN102493956B CN201110426234.9A CN201110426234A CN102493956B CN 102493956 B CN102493956 B CN 102493956B CN 201110426234 A CN201110426234 A CN 201110426234A CN 102493956 B CN102493956 B CN 102493956B
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vacuum pump
rubber washer
piston type
swing piston
spring
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CN102493956A (en
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边艳香
钟勇
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Race Medical & Beauty Equipment Co ltd
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Race Medical & Beauty Equipment Co Ltd
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Abstract

The invention discloses a dynamic balance noise reducing shock-proof structure of a swing piston type vacuum pump, comprising a vacuum pump mounting surface rubber gasket, a spring, a vacuum pump mounting bottom rubber gasket and bolts provided with screw rods and blot heads. The dynamic balance noise reducing shock-proof structure of the swing piston type vacuum pump in the invention is provided with the vacuum pump mounting surface rubber gasket, the spring and the vacuum pump mounting bottom rubber gasket and is matched with the bolts, so that the swing piston type vacuum pump is flexibly mounted in a mounting plate on a rack in a matching way, and the shock of the swing piston type vacuum pump is thoroughly stopped from being conducted to the mounting plate when the swing piston type vacuum pump runs to avoid the resonance of the rack.

Description

Dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump
Technical field
The present invention relates to noise reducing shock-proof structure technical field, relate in particular to dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump.
Background technique
That swing piston type vacuum pump has is energy-efficient, safety and environmental protection, operate steadily, the feature such as high reliability, simple in structure, complete oil-free, easy care, be widely used in the small-sized oxygen generating plant of medical equipment, beauty appliance and pressure swing adsorption method principle.But in the time of work, the vibrations of swing piston type vacuum pump can bring the very large noise of complete machine, so the noise that the manufacturer of each swing piston type vacuum pump and applying unit have all taked different silencing and damping structures to alleviate its vibrations and caused by its vibrations.Common mode is between the mounting plate of the vacuum pump of complete machine and the fastening foot of swing piston type vacuum pump, to install rubber mount additional to be used for damping vibration.Fig. 1 is swing piston type vacuum pump common noise reducing shock-proof structure schematic diagram while installing, this noise reducing shock-proof structure critical piece is one and has certain thickness rubber pad 11, as seen from Figure 1, mounting plate 13 is fixedly installed in a frame (not shown), is also provided with mounting hole 12 on mounting plate 13; The screw rod of bolt 15 passes a plain cushion 14 from bottom to up successively, mounting hole 12, and after rubber pad 11 and another plain cushion 14, screw-thread securing is in the fastening foot screw 6a of swing piston type vacuum pump.In the installation of this noise reducing shock-proof structure, between swing piston type vacuum pump and mounting plate 13, be that rigidity coordinates, though rubber pad 11 provides certain buffer function, but the vibrations that produce when swing piston type vacuum pump work still can conduct on mounting plate 13 by the screw rod of bolt 15, thereby cause frame resonance, the noise that frame resonance produces is exaggerated in the cabinet of complete machine, noise energy further expands, and due to the resonance of frame, after swing piston type vacuum pump long-play, exist the risk that causes other component of complete machine to pitch.
Summary of the invention
The technical problem existing in order to solve foregoing invention, the object of the present invention is to provide and adopt flexible cooperation that swing piston type vacuum pump is mounted in the mounting plate in frame, body vibrations when thoroughly this swing piston type vacuum pump of blocking-up moves are conducted to mounting plate, thereby avoid causing the dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of frame resonance.
To achieve these goals, the technical solution used in the present invention content is specific as follows:
Dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump, it comprises vacuum pump attachment face rubber washer, spring, vacuum pump is installed end rubber washer and is provided with screw rod and the bolt of bolt head; Screw rod passes the mounting hole, vacuum pump installation end rubber washer, the spring that are arranged on mounting plate are connected swing piston type vacuum pump fastening foot screw with vacuum pump attachment face rubber washer rear thread from bottom to up successively; The top elasticity of spring connects vacuum pump attachment face rubber washer, and the bottom elasticity of spring connects vacuum pump end rubber washer is installed; Described vacuum pump is installed end rubber washer and is also connected between mounting hole and the bottom of spring; And bolt head does not contact with mounting plate, described mounting plate is fixedly installed in a frame.
In this dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump, have the bolt that only has of the relation of being rigidly connected with swing piston type vacuum pump, and swing piston type vacuum pump is to be installed and be arranged on mounting plate flexible cooperation of end rubber washer by vacuum pump attachment face rubber washer, spring and vacuum pump.So in the time that swing piston type vacuum pump is worked, because swing piston type vacuum pump is not by bolt and the mounting plate relation that is rigidly connected, so the vibrations that the body of swing piston type vacuum pump produces cannot conduct on mounting plate by the screw rod of bolt; And, these vibrations are when through vacuum pump attachment face rubber washer, spring and vacuum pump installation end rubber washer, can be subdued significantly, thus also substantially cannot reach on mounting plate, thus cannot cause because of the vibrations of swing piston type vacuum pump the resonance of frame.
Preferably, dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention also comprises a hollow rigid sleeve; Described hollow rigid sleeve socket screw rod, and penetrate in vacuum pump attachment face rubber washer after end rubber washer and spring are installed through described mounting hole, vacuum pump successively from bottom to up.
Preferably, dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention also comprises that one is provided with the lower plain cushion and the upper plain cushion that is provided with endoporus of lower endoporus; The diameter of described lower endoporus and upper endoporus is equal to the internal diameter of hollow rigid sleeve; Described screw rod is connected the fastening foot screw of swing piston type vacuum pump from bottom to up successively with upper endoporus rear thread through lower endoporus, hollow rigid sleeve.
Particularly, described bolt is half tooth bolt.
Particularly, the end face that described vacuum pump is installed end rubber washer is provided with a upper circular groove position matching with the bottom of described spring; Center, described upper circular groove position is provided with one and runs through the end face of vacuum pump installation end rubber washer and the end circular hole of bottom surface; The bottom of described spring is connected in circular groove position; The diameter of circular hole of the described end is greater than the external diameter of hollow rigid sleeve; The bottom surface of described vacuum pump attachment face rubber washer is provided with a lower circular groove position matching with the top of described spring; Center, described lower circular groove position is provided with one and runs through the end face of vacuum pump attachment face rubber washer and the face circular hole of bottom surface; The top card of described spring is connected in lower circular groove position; The diameter of described circular hole equals the external diameter of hollow rigid sleeve; Described hollow rigid sleeve penetrates in described circular hole through after described mounting hole, end circular hole and spring from bottom to up successively, and the top of hollow rigid sleeve and the end face of vacuum pump attachment face rubber washer are close in the bottom of described upper plain cushion simultaneously.
Because top and the bottom of spring are connected to respectively in lower circular groove position and upper circular groove position, while making spring fitting between vacuum pump attachment face rubber washer and vacuum pump installation end rubber washer, due to the position-limiting action of upper circular groove position and lower circular groove position, spring just can not produce displacement radially.
Particularly, the diameter of circular hole of the described end be hollow rigid sleeve external diameter 1.5-2 doubly.In the time that swing piston type vacuum pump is worked, due to swing piston type vacuum pump have the relation of being rigidly connected except bolt, also has hollow rigid sleeve, upper plain cushion and lower plain cushion, in the time that the diameter of circular hole of the described end is 1.5-2 times of external diameter of hollow rigid sleeve, can thoroughly stop bolt, hollow rigid sleeve, upper plain cushion contacts with any rigidity of mounting plate with lower plain cushion.
Particularly, the bottom surface of described vacuum pump installation end rubber washer is also provided with a boss; Circular hole of the described end also runs through described boss; The external diameter of described boss is less than the external diameter of vacuum pump installation end rubber washer; Described mounting hole diameter is more than or equal to the external diameter of boss, but is less than the external diameter of vacuum pump installation end rubber washer; Described boss stretches in described mounting hole.Realization is installed end rubber washer by vacuum pump and is connected between mounting hole and the bottom of spring.
Particularly, the bottom surface contact bolt head of described lower plain cushion, the gap between end face and mounting plate is 3-5mm.In the time that swing piston type vacuum pump is worked, bolt, hollow rigid sleeve, upper plain cushion and lower plain cushion can have a upper and lower movement with the vibrations of swing piston type vacuum pump, have prevented that when mobile, bolt, hollow rigid sleeve and lower plain cushion and mounting plate collide.
Compared with prior art, the present invention has produced following beneficial effect:
Dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention is installed end rubber washer fitted bolt by vacuum pump attachment face rubber washer, spring and vacuum pump are set, flexible ordinatedly swing piston type vacuum pump being mounted in the mounting plate in frame, body vibrations when thoroughly this swing piston type vacuum pump of blocking-up moves are conducted to mounting plate, thereby avoid causing frame resonance.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Brief description of the drawings
Fig. 1 is swing piston type vacuum pump common noise reducing shock-proof structure schematic diagram while installing;
Fig. 2 is more preferably embodiment's structural representation of dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention.
Wherein, 11, rubber pad; 12, mounting hole; 13, mounting plate; 14, plain cushion; 15, bolt; 21, upper plain cushion; 22, vacuum pump attachment face rubber washer; 23, spring; 24, vacuum pump is installed end rubber washer; 25, hollow rigid sleeve; 26, lower plain cushion; 1a, upper circular groove position; 2a, end circular hole; 3a, lower circular groove position; 4a, face circular hole; 5a, boss; 6a, fastening foot screw.
Embodiment
As shown in Figure 2, dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention, it mainly comprises vacuum pump attachment face rubber washer 22, spring 23, vacuum pump is installed end rubber washer 24 and is provided with the bolt 15 of screw rod and bolt head; Screw rod passes the mounting hole 12, vacuum pump installation end rubber washer 24, the spring 23 that are arranged on mounting plate 13 are connected swing piston type vacuum pump fastening foot screw 6a with vacuum pump attachment face rubber washer 22 rear threads from bottom to up successively; The top elasticity of spring 23 connects vacuum pump attachment face rubber washer 22, and the bottom elasticity of spring 23 connects vacuum pump end rubber washer 24 is installed; Described vacuum pump is installed end rubber washer 24 and is also connected between mounting hole 12 and the bottom of spring 23; And bolt head does not contact with mounting plate 13, described mounting plate 13 is fixedly installed in frame (not shown).
In this dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump, only have bolt 15 with swing piston type vacuum pump has a relation of being rigidly connected, and swing piston type vacuum pump is to be installed and be arranged on mounting plate 13 flexible cooperation of end rubber washer 24 by vacuum pump attachment face rubber washer 22, spring 23 and vacuum pump.So in the time that swing piston type vacuum pump is worked, because swing piston type vacuum pump is not by bolt 15 and mounting plate 13 relation that is rigidly connected, so the vibrations that the body of swing piston type vacuum pump produces still cannot conduct on mounting plate 13 by the screw rod of bolt 15; And, these vibrations are when through vacuum pump attachment face rubber washer 22, spring 23 and vacuum pump installation end rubber washer 24, can be subdued significantly, thus also substantially cannot reach on mounting plate 13, thus cannot cause because of the vibrations of swing piston type vacuum pump the resonance of frame.
Particularly, dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention also comprises a hollow rigid sleeve 25; Described hollow rigid sleeve 25 is socketed screw rod, and penetrates in vacuum pump attachment face rubber washer 22 after end rubber washer 24 and spring 23 are installed through described mounting hole 12, vacuum pump successively from bottom to up.
Particularly, dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump of the present invention also comprises that one is provided with the lower plain cushion 26 and the upper plain cushion 21 that is provided with endoporus of lower endoporus; The diameter of described lower endoporus and upper endoporus is equal to the internal diameter of hollow rigid sleeve 25; Described screw rod is connected the fastening foot screw of swing piston type vacuum pump from bottom to up successively with upper endoporus rear thread through lower endoporus, hollow rigid sleeve 25.
Particularly, described bolt 15 is half tooth bolt.
Particularly, the end face that described vacuum pump is installed end rubber washer 24 is provided with a upper circular groove position 1a who matches with the bottom of described spring 23; Described upper circular groove Wei1a center is provided with one and runs through the end face of vacuum pump installation end rubber washer 24 and the end circular hole 2a of bottom surface; The bottom of described spring 23 is connected in the 1a of circular groove position; The diameter of described end circular hole 2a is greater than the external diameter of hollow rigid sleeve 25; The bottom surface of described vacuum pump attachment face rubber washer 22 is provided with a lower circular groove position 3a who matches with the top of described spring 23; Described lower circular groove Wei3a center is provided with one and runs through the end face of vacuum pump attachment face rubber washer 22 and the face circular hole 4a of bottom surface; The top card of described spring 23 is connected in lower circular groove position 3a; The diameter of described circular hole 4a equals the external diameter of hollow rigid sleeve 25; Described hollow rigid sleeve 25 penetrates in described circular hole 4a through after described mounting hole 12, end circular hole 2a and spring 23 from bottom to up successively, and the top of hollow rigid sleeve 25 and the end face of vacuum pump attachment face rubber washer 22 are close in the bottom of described upper plain cushion 21 simultaneously.
Because top and the bottom of spring 23 are connected to respectively in lower circular groove position 3a and upper circular groove position 1a, while making spring 23 be installed between vacuum pump attachment face rubber washer 22 and vacuum pump installation end rubber washer 24, due to the position-limiting action of upper circular groove position 1a and lower circular groove position 3a, spring 23 just can not produce displacement radially.
Particularly, the diameter of described end circular hole 2a be hollow rigid sleeve 25 external diameter 1.5-2 doubly.In the time that swing piston type vacuum pump is worked, due to swing piston type vacuum pump have the relation of being rigidly connected except bolt 15, also has hollow rigid sleeve 25, upper plain cushion 21 and lower plain cushion 26, in the time that the diameter of described end circular hole 2a is 1.5-2 times of external diameter of hollow rigid sleeve 25, can thoroughly stop bolt 15, hollow rigid sleeve 25, upper plain cushion 21 contacts with any rigidity of mounting plate 13 with lower plain cushion 26.
Particularly, the bottom surface of described vacuum pump installation end rubber washer 24 is also provided with a boss 5a; Described end circular hole 2a also runs through described boss 5a; The external diameter of described boss 5a is less than the external diameter of vacuum pump installation end rubber washer 24; Described mounting hole 12 diameters are more than or equal to the external diameter of boss 5a, but are less than the external diameter of vacuum pump installation end rubber washer 24; Described boss 5a stretches in described mounting hole 12.Realization is installed end rubber washer 24 by vacuum pump and is connected between mounting hole 12 and the bottom of spring 23.
Particularly, the bottom surface contact bolt head of described lower plain cushion 26, the gap between end face and mounting plate 13 is 3-5mm.In the time that swing piston type vacuum pump is worked, bolt 15, hollow rigid sleeve 25, upper plain cushion 21 and lower plain cushion 26 can have a upper and lower movement with the vibrations of swing piston type vacuum pump, prevented that when mobile, bolt 15, hollow rigid sleeve 25 and lower plain cushion 26 collide with mounting plate 13.
For a person skilled in the art, can be according to technological scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.

Claims (6)

1. dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump, is characterized in that: it comprises a hollow rigid sleeve, vacuum pump attachment face rubber washer, and spring, vacuum pump is installed end rubber washer and is provided with screw rod and the bolt of bolt head; Screw rod passes the mounting hole, vacuum pump installation end rubber washer, the spring that are arranged on mounting plate are connected swing piston type vacuum pump fastening foot screw with vacuum pump attachment face rubber washer rear thread from bottom to up successively; The top elasticity of spring connects vacuum pump attachment face rubber washer, and the bottom elasticity of spring connects vacuum pump end rubber washer is installed; Described vacuum pump is installed end rubber washer and is also connected between mounting hole and the bottom of spring; And bolt head does not contact with mounting plate, described mounting plate is fixedly installed in a frame; Described hollow rigid sleeve socket screw rod, and penetrate in vacuum pump attachment face rubber washer after end rubber washer and spring are installed through described mounting hole, vacuum pump successively from bottom to up;
The end face that described vacuum pump is installed end rubber washer is provided with a upper circular groove position matching with the bottom of described spring; Center, described upper circular groove position is provided with one and runs through the end face of vacuum pump installation end rubber washer and the end circular hole of bottom surface; The bottom of described spring is connected in circular groove position; The diameter of circular hole of the described end is greater than the external diameter of hollow rigid sleeve; The bottom surface of described vacuum pump attachment face rubber washer is provided with a lower circular groove position matching with the top of described spring; Center, described lower circular groove position is provided with one and runs through the end face of vacuum pump attachment face rubber washer and the face circular hole of bottom surface; The top card of described spring is connected in lower circular groove position; The diameter of described circular hole equals the external diameter of hollow rigid sleeve; Described hollow rigid sleeve penetrates in described circular hole through after described mounting hole, end circular hole and spring from bottom to up successively.
2. dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump as claimed in claim 1, is characterized in that: also comprise that one is provided with the lower plain cushion and the upper plain cushion that is provided with endoporus of lower endoporus; The top of hollow rigid sleeve and the end face of vacuum pump attachment face rubber washer are close in the bottom of described upper plain cushion simultaneously; The diameter of described lower endoporus and upper endoporus is equal to the internal diameter of hollow rigid sleeve; Described screw rod is connected the fastening foot screw of swing piston type vacuum pump from bottom to up successively with upper endoporus rear thread through lower endoporus, hollow rigid sleeve.
3. dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump as claimed in claim 2, is characterized in that: described bolt is half tooth bolt.
4. dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump as claimed in claim 3, is characterized in that: the diameter of circular hole of the described end be hollow rigid sleeve external diameter 1.5-2 doubly.
5. dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump as claimed in claim 4, is characterized in that: the bottom surface that described vacuum pump is installed end rubber washer is also provided with a boss; Circular hole of the described end also runs through described boss; The external diameter of described boss is less than the external diameter of vacuum pump installation end rubber washer; Described mounting hole diameter is more than or equal to the external diameter of boss, but is less than the external diameter of vacuum pump installation end rubber washer; Described boss stretches in described mounting hole.
6. dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump as claimed in claim 5, is characterized in that: the bottom surface contact bolt head of described lower plain cushion, the gap between end face and mounting plate is 3-5mm.
CN201110426234.9A 2011-12-15 2011-12-15 Dynamic balance noise reducing shock-proof structure of swing piston type vacuum pump Active CN102493956B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU729058A2 (en) * 1978-09-05 1980-04-25 Кременчугский Филиал Харьковского Ордена Ленина Политехнического Института Им.В.И.Ленина Vibrated platform
CN2161497Y (en) * 1993-01-14 1994-04-13 航空航天工业部第613研究所 Shock damper
CN1704585A (en) * 2004-05-31 2005-12-07 Lg电子株式会社 Supporting apparatus of compressor
CN201184831Y (en) * 2007-10-24 2009-01-21 重庆建设摩托车股份有限公司 Oscillation-damping seat for power-measuring clamper of motorcycle engine
CN201427518Y (en) * 2009-04-03 2010-03-24 福田雷沃国际重工股份有限公司 Novel engine damping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU729058A2 (en) * 1978-09-05 1980-04-25 Кременчугский Филиал Харьковского Ордена Ленина Политехнического Института Им.В.И.Ленина Vibrated platform
CN2161497Y (en) * 1993-01-14 1994-04-13 航空航天工业部第613研究所 Shock damper
CN1704585A (en) * 2004-05-31 2005-12-07 Lg电子株式会社 Supporting apparatus of compressor
CN201184831Y (en) * 2007-10-24 2009-01-21 重庆建设摩托车股份有限公司 Oscillation-damping seat for power-measuring clamper of motorcycle engine
CN201427518Y (en) * 2009-04-03 2010-03-24 福田雷沃国际重工股份有限公司 Novel engine damping device

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