CN100412363C - Arrangement for preventing piston collision with discharge valve of linear compressor - Google Patents
Arrangement for preventing piston collision with discharge valve of linear compressor Download PDFInfo
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- CN100412363C CN100412363C CNB2004100721783A CN200410072178A CN100412363C CN 100412363 C CN100412363 C CN 100412363C CN B2004100721783 A CNB2004100721783 A CN B2004100721783A CN 200410072178 A CN200410072178 A CN 200410072178A CN 100412363 C CN100412363 C CN 100412363C
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- discharge valve
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Abstract
The present invention relates to a device for preventing a piston from impacting a discharge valve of a linear compressor, the device is composed of a cylinder, a piston, the discharge valve, a magnetic element, etc. Both ends of the cylinder are provided with openings, the piston is inserted in the cylinder to take straight reciprocating motion, the discharge valve is positioned at the front end of the cylinder, and the discharge valve is opened when pressure in the cylinder reaches certain degree. The magnetic element is installed on the piston and the discharge valve, and the piston is prevented from impacting the discharge valve by using the reaction of magnetic force. The compressor can reduce vibration and noise generated by mutual impact of the piston and the discharge valve, the impact part is prevented from being damaged, and the stability of the compressor is improved.
Description
Technical field
The invention belongs to Linearkompressor, particularly relate to a kind of Linearkompressor that utilizes magnetic to prevent piston and collision with discharge valve and prevent piston and collision with discharge valve device.
Background technique
Linearkompressor is a linear drives power of utilizing linear motor in general, makes piston do straight reciprocating motion in cylinder, fluid is sucked the machine of back compression and discharge.
Fig. 1 is the section of structure of common Linearkompressor, and Fig. 2 is conventional art Linearkompressor piston and discharge valve structure sectional drawing.The Linearkompressor structure in seal container 10, is provided with cylinder assembly 12 and bonnet 15 as shown in Figure 1.Cylinder 13 is housed in the cylinder assembly, and bonnet is provided with suction port 16, and cylinder assembly 12 and bonnet 15 are by the 1st damper 17 and the 2nd damper 18, are installed in the seal container 10.
Between cylinder assembly 12 and the bonnet 15 linear motor 20 is installed.This motor is the driving force that produces compressed fluid.Cylinder 13 is done straight reciprocating motion in linear motor 20, be connected with piston 30.Piston is to be used for compressing the fluid that is drawn in the cylinder 13.
But linear motor 20 is made up of stator and mover, and stator is made up of outer core 21 and inner core 22, coil 23, but mover is made up of electromagnet 25 and electromagnet base 27.Electromagnet is to do straight line motion according to the magnetic force that forms around the coil, and the electromagnet base is to transmit straight line motion power to piston 30.
The rear end of piston 30 is provided with flange 32, is fixed on the electromagnet base 27, and is supported by the 1st spring 28 and the 2nd spring 29.The 1st spring is located between flange 32 and the cylinder assembly 12, and the 2nd spring is located between flange 32 and the bonnet 15.
With reference to Fig. 2, piston 30 rear sides have opening to be provided with suction passage 33, fluid can be drawn in the cylinder, and front end seals, and are provided with several suction ports 34 at sealing part.
The front end of piston 30 is provided with the inhaling valve 35 of switch suction port 34, and this valve is fixed on the piston, according to the resilient bending of bilateral pressure difference, forms the structure of switch suction port 34.
With reference to Fig. 1, exhaust port 40 is fixed on the cylinder assembly 12, is provided in a side of the place ahead of the pressing chamber c of cylinder 13.Suction port is made up of inboard lid 41, discharge valve 45, outside lid 47.Inboard lid 41 is provided with tap hole; Spring 43 is installed, the pressing chamber of discharge valve 45 switch cylinders 13 on the inboard lid 41; Outside lid 47 is located at the outside of inboard lid 41, forms certain space.
The runnability of Linearkompressor with above technical characterstic is as follows.
Along with linear motor 20 operations, electromagnet 25 is done straight reciprocating motion with the magnetic field interaction around it, this motoricity is delivered to piston by electromagnet base 27, and piston 30 is done continuous straight reciprocating motion between the discharge valve 45 of exhaust port 40 and bonnet 15.
If piston 30 advances to exhaust port 40 directions, inhaling valve 35 is owing to be closed by the influence of the pressure difference of suction passage 33 and pressing chamber C.At this moment the fluid in pressing chamber C is compressed the back by exhaust port 40 discharges, and the fluid in bonnet 15 outsides is inhaled into by the suction port 16 of bonnet 15.
On the contrary, if piston 30 retreats, inhaling valve 35 is owing to be opened by the influence of the pressure difference of suction passage 33 and pressing chamber C.At this moment the fluid on suction passage flows to pressing chamber C inside by suction port 34.At this moment piston readvances, and just as mentioned above, the fluid of pressing chamber C inside is compressed the back and discharges.This process will repeat.
But the Linearkompressor of conventional art design, its piston 30 advances to exhaust port 40 directions, in the process of compressed fluid, produce excessive collision, piston 30 and inhaling valve 35 directly hit discharge valve like this, therefore inhaling valve 35 and discharge valve 45 are impaired easily, thereby increase noise and vibrations.
Summary of the invention
The present invention provides a kind of magnetic part of respectively installing for solving the technical problem that exists in the known technology on piston and discharge valve, prevent that piston and discharge valve from colliding mutually, can reduce simultaneously vibrations and noise Linearkompressor prevent piston and collision with discharge valve device.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is: Linearkompressor of the present invention prevents piston and collision with discharge valve device, and it comprises cylinder, piston, discharge valve and magnetic part composition.All there is opening at the cylinder two ends; Piston is inserted into and does straight reciprocating motion in the cylinder; Discharge valve is positioned at the cylinder front end, opens when the pressure in the cylinder acquires a certain degree; Magnetic part is installed on piston and the discharge valve, utilizes the same sex effect of repelling each other between the magnetic pole, prevents piston and collision with discharge valve.
The present invention can also adopt following technical measures:
Described magnetic with same polarity is installed in respectively on piston and the corresponding position of discharge valve.
The front end of described piston is provided with inhaling valve, and the connected element of inhaling valve and piston has and the corresponding magnetic of discharge valve magnetic.
Described connected element is a bolt, and magnetic is the formation that is magnetized of the head of bolt.
Described discharge valve is provided with slot to avoid, is that the projection for fear of connected element is collided, and is provided with magnetic on slot to avoid, and is corresponding with the magnetic of connected element.
Advantage and good effect that the present invention has are:
Linearkompressor of the present invention prevents piston and collision with discharge valve device, owing between piston and discharge valve, be equipped with magnetic, prevent direct collision, therefore can reduce the vibrations and the noise that produce owing to piston and collision with discharge valve, prevent to collide being partially damaged, thereby improve the stability of compressor.
Description of drawings
Fig. 1 is the section of structure of common Linearkompressor;
Fig. 2 is conventional art Linearkompressor piston and discharge valve structure sectional drawing;
Fig. 3 is that Linearkompressor of the present invention prevents piston and collision with discharge valve device sectional drawing;
Fig. 4 is a pith sectional drawing of the present invention.
Embodiment
The present invention is described in detail to reach embodiment with reference to the accompanying drawings:
Fig. 3 is that Linearkompressor of the present invention prevents piston and collision with discharge valve device sectional drawing, and Fig. 4 is a pith sectional drawing of the present invention.
Linearkompressor of the present invention prevents the device of piston and collision with discharge valve, as shown in Figure 3, is made up of piston and discharge valve, magnetic part.Cylinder 70 both ends opens; Piston 50 is done straight reciprocating motion in cylinder 70, the fluid in the pressing chamber C is compressed; Discharge valve 80 is positioned at the place ahead of pressing chamber C, is opened after the pressure in the cylinder 70 acquires a certain degree; Magnetic part 90,95 is installed on piston 50 and the discharge valve 80, utilizes the same sex effect of repelling each other between the magnetic pole to prevent piston and collision with discharge valve.
As above the two ends of cylinder 70 are all opened wide in the design, and are fixed on the cylinder assembly (not doing diagram).
Piston 50 is made up of feather key portion 51, flange 52, front end 54 etc.Feather key portion forms stream at internal piston, is shaped as cylindric; Flange 52 is fixed on the electromagnet base (not doing diagram) at the rear side of feather key portion 51; The front end 54 of feather key portion 51 seals, and leads to pressing chamber C on suction passage 53, forms suction port.
The front end 54 of piston 50 is provided with the inhaling valve 60 of switch suction port 55, and inhaling valve 60 is the front end that is fixed on piston with bolt 65 with the connected element of piston.
Particularly, as shown in Figure 4,, form slot to avoid 81, in slot to avoid 81, form mounting groove 82, be used for installing magnetic in order to prevent that fixedly the projection and the miscellaneous part of the bolt 65 of inhaling valve 60 collide.
Magnetic 90,95 are installed in piston 50 and the corresponding mutually position of discharge valve 80 respectively, be to have same magnetic pole, wherein the magnetic 90 of piston one side is that the head of bolt 65 magnetizes, and the magnetic 95 of discharge valve 80 1 sides preferably is installed on the magnetic part mounting groove 82 of 81 li of slots to avoid.
In addition, different with above-mentioned situation, can make the front end of piston 50, the part of inhaling valve 60, the front end of discharge valve 80 etc. partly magnetizes, or in these parts magnetic is installed respectively.
The present invention has above structure, describes the device that Linearkompressor prevents piston and collision with discharge valve below in detail.
Along with the Linearkompressor operation, piston 50 is done continuous straight reciprocating motion in cylinder 70.Here, piston 50 advances to discharge valve 80 directions, carries out compressed fluid, at this moment, excessive collision takes place on piston 50, even but advance, owing between piston 50 and discharge valve 80, be provided with magnetic 90,95, under the effect of repelling each other of the same sex between their magnetic poles, can not collide.
Certainly, according to the magnetic force size of magnetic 90,95, the situation of colliding can take place between piston 50 and the discharge valve 80 sometimes.But because the buffer function of both sides magnetic 90,95, impact force can be very little.
As mentioned above, doing that piston 50 continues in cylinder 70 advanced or return motion, discharges fluid again behind the compressed fluid repeatedly in pressing chamber.This process will be carried out repeatedly, but because the magnetic 90,95 that is installed in both sides is subjected to the same sex function influence that repels each other, the collision between piston and the discharge valve 80 takes place hardly.
Claims (5)
1. a Linearkompressor prevents piston and collision with discharge valve device, and it comprises parts such as cylinder, piston, discharge valve: all there is opening at the cylinder two ends; Piston is inserted into and does straight reciprocating motion in the cylinder; Discharge valve is positioned at the cylinder front end, opens when the pressure in the cylinder acquires a certain degree; It is characterized in that on piston and discharge valve, magnetic part being installed, utilize the same sex effect of repelling each other between the magnetic pole, prevent piston and collision with discharge valve.
2. Linearkompressor according to claim 1 prevents piston and collision with discharge valve device, it is characterized in that the magnetic with same polarity is installed in respectively on piston and the corresponding position of discharge valve.
3. Linearkompressor according to claim 2 prevents piston and collision with discharge valve device, it is characterized in that the front end of piston is provided with inhaling valve, and the connected element of inhaling valve and piston has and the corresponding magnetic of discharge valve magnetic.
4. Linearkompressor according to claim 3 prevents piston and collision with discharge valve device, it is characterized in that connected element is a bolt, and magnetic is the formation that is magnetized of the head of bolt.
5. prevent piston and collision with discharge valve device according to the Linearkompressor described in 4 of the claims 3 to the any one, it is characterized in that discharge valve is provided with slot to avoid, be that projection for fear of connected element is collided, on slot to avoid, be provided with magnetic, corresponding with the magnetic of connected element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100721783A CN100412363C (en) | 2004-09-27 | 2004-09-27 | Arrangement for preventing piston collision with discharge valve of linear compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100721783A CN100412363C (en) | 2004-09-27 | 2004-09-27 | Arrangement for preventing piston collision with discharge valve of linear compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1755105A CN1755105A (en) | 2006-04-05 |
| CN100412363C true CN100412363C (en) | 2008-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100721783A Expired - Fee Related CN100412363C (en) | 2004-09-27 | 2004-09-27 | Arrangement for preventing piston collision with discharge valve of linear compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100412363C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102237723B1 (en) | 2015-10-28 | 2021-04-08 | 엘지전자 주식회사 | Compressor and method for controlling compressor |
| KR20170049277A (en) | 2015-10-28 | 2017-05-10 | 엘지전자 주식회사 | Compressor and method for controlling compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10288156A (en) * | 1997-04-15 | 1998-10-27 | Matsushita Refrig Co Ltd | Oscillating type compressor |
| CN1435569A (en) * | 2002-02-01 | 2003-08-13 | 三星电子株式会社 | Linear compressor |
| CN1455107A (en) * | 2002-04-29 | 2003-11-12 | 乐金电子(天津)电器有限公司 | Discharge valve apparatus of closed compressor |
| CN1456811A (en) * | 2002-05-06 | 2003-11-19 | Lg电子株式会社 | Suction valve assembly of reciprocating compressor |
| US20040047751A1 (en) * | 2002-09-05 | 2004-03-11 | Lg Electronics Inc. | Reciprocating compressor |
-
2004
- 2004-09-27 CN CNB2004100721783A patent/CN100412363C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10288156A (en) * | 1997-04-15 | 1998-10-27 | Matsushita Refrig Co Ltd | Oscillating type compressor |
| CN1435569A (en) * | 2002-02-01 | 2003-08-13 | 三星电子株式会社 | Linear compressor |
| CN1455107A (en) * | 2002-04-29 | 2003-11-12 | 乐金电子(天津)电器有限公司 | Discharge valve apparatus of closed compressor |
| CN1456811A (en) * | 2002-05-06 | 2003-11-19 | Lg电子株式会社 | Suction valve assembly of reciprocating compressor |
| US20040047751A1 (en) * | 2002-09-05 | 2004-03-11 | Lg Electronics Inc. | Reciprocating compressor |
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| Publication number | Publication date |
|---|---|
| CN1755105A (en) | 2006-04-05 |
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Granted publication date: 20080820 Termination date: 20091027 |