CN103967749B - Linearkompressor - Google Patents
Linearkompressor Download PDFInfo
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- CN103967749B CN103967749B CN201310044578.2A CN201310044578A CN103967749B CN 103967749 B CN103967749 B CN 103967749B CN 201310044578 A CN201310044578 A CN 201310044578A CN 103967749 B CN103967749 B CN 103967749B
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Abstract
The present invention proposes a kind of Linearkompressor, including cylinder, the piston that is placed in this cylinder, and be the connection axle of split type setting with this piston, compression chamber is surrounded by cylinder and piston, piston has the first through hole connected with compression chamber, connect axle and there is the second through hole passed through for refrigerant, piston and/or connection axle form the first cavity in both phase joining places, first through hole, by the first cavity and the connection of the second through hole, makes refrigerant flow through the second through hole, the first cavity and the first through hole successively and enter in compression chamber.It is under confined state at piston with being connected axle, flowed into the first through hole by the second through hole without making the first through hole and the second through hole keep alignment also can realize refrigerant and then enter in compression chamber, the precision that can improve piston and be connected when axle assembles, advantageously reduces the installation difficulty of Linearkompressor.
Description
Technical field
The present invention relates to a kind of Linearkompressor.
Background technology
As it is shown in figure 1, existing Linearkompressor is generally of a cylindrical circular shell 6, receives equipped with external stator 61, inner stator 62, cylinder 63 and in order to fix the ring flange 64 of this three in this shell 6, in inner stator 62, be provided with coil.External stator 61 and inner stator 62 are all cylindrical, and this external stator 61 is placed in the outside of inner stator 62, and has certain intervals between both, are provided with Magnet and fix the mover framework 65 of this Magnet, this Magnet and mover framework 65 constitute mover in this interval.Cylinder 63 is fixed on ring flange 64, and its cylinder body stretches in inner stator 62.The end away from cylinder body of cylinder 63 is stretched out from ring flange 64, cylinder head 66 end of this cylinder 63 is sealed.
The piston 1 of Linearkompressor is placed in the cylinder body of cylinder 63, and the bolt 4 passing through to have nut on piston 1 is fixed with inlet valve 3.The one end connecting axle 2 is formed at one with piston 1, and its other end and mover framework 65 link together.Jointly surrounded compression chamber A by the end face of piston 1, the internal face of cylinder 63 and cylinder head 66, connecting, axle 2 is axially typically provided with along it suction muffler B.Under normal circumstances, connect axle 2 and piston 1 is respectively provided with the through hole aligning and axially extending, and this through hole connects with suction muffler B and compression chamber A respectively.
When coil electricity in inner stator 62, the magnetic field intensity in the magnetic field formed by inner stator 62 and external stator 61 changes, under the action of a magnetic force, mover (i.e. left and right directions in Fig. 1) vertically moves back and forth, drive piston 1 along the axially reciprocating of cylinder 63 via mover framework 65, thus, by piston 1, the gas in compression chamber A is compressed.Owing to piston 1 moves back and forth relative to compression chamber A, pressure differential is formed between compression chamber A and suction muffler B, under this pressure differential effect, make refrigerant enter in compression chamber A via suction muffler B, the through hole connected on axle 2 and piston 1, inlet valve 3 successively, and by piston 1, this refrigerant is compressed.The above-mentioned a kind of concrete structure only listing existing Linearkompressor, it is notable that existing Linearkompressor is not limited to structure shown in Fig. 1, also can adopt other various ways of the prior art, and therefore not to repeat here.
For Linearkompressor shown in Fig. 1, owing to piston 1 is formed at one with being connected axle 2, and both radical lengths vertically keep consistent, easily increase for forming the material usage connecting axle 2, it is unfavorable for reducing the cost of manufacture of Linearkompressor, meanwhile, the external peripheral surface being also easy to cause connecting axle 2 directly contacts with the internal face of cylinder 63 and produces abrasion, reduces the performance of Linearkompressor.For this problem, developer proposes piston 1 and is connected axle 2 in the Linearkompressors of split type setting, and the radical length of this connection axle 2 is less than the radical length of piston 1.But, when piston 1 with when being connected axle 2 in split type setting, there is the problem being unfavorable for keeping piston 1 with the alignment being connected axle 2, and the through hole on piston 1 need to keep one to show the smooth circulation ensureing refrigerant with the through hole being connected on axle 2, causes that the difficulty of processing of Linearkompressor and assembly difficulty increase.
Summary of the invention
In view of this, present invention is primarily targeted at, it is provided that a kind of Linearkompressor advantageously reducing difficulty of processing and assembly difficulty and improving assembling precision.
For reaching above-mentioned purpose, the present invention proposes a kind of Linearkompressor, including piston and assembling connection axle thereon, the compression chamber of compressor is connected by the second through hole on the first through hole on described piston and described connection axle with the suction muffler being connected in axle, described piston and/or connection axle form the first cavity, described first through hole and the second through hole in both connections by the connection of this first cavity.
Owing to described first through hole and the second through hole are by described first cavity connection, enable refrigerant flow through successively described second through hole, described first cavity, described first through hole and enter in described compression chamber, so, it is under confined state at described piston with being connected axle, enter in described compression chamber without making described first through hole and the second through hole keep alignment also can realize refrigerant, advantageously reduce the installation difficulty of described Linearkompressor.Simultaneously, additionally it is possible to reduce the difficulty of processing of described Linearkompressor.
Preferably, the end face being connected in both on described piston or described connection axle is formed groove, relative end face closes this groove to constitute described first cavity.
Preferably, the end face being connected in both on described piston with described connection axle forms groove respectively, is made up of described first cavity both relative closure.
Preferably, described groove is be connected, with described, the annular recess that axle is coaxial.
Preferably, described piston through the through hole on described piston by bolt and is screwed and is assemblied on described connection axle on the hole, location on described connection axle, is conducive to improving described piston and the described connectivity robustness being connected axle.
Preferably, described piston and/or the end face that is connected in both on described connection axle are formed with the groove around bolt, relative end face close this groove to constitute described second cavity, in this second cavity, be provided with sealing member.
Owing to being provided with sealing member in the second cavity of described bolt, utilize described bolt fix described piston with described be connected axle time, described sealing member is carried out extruding by described bolt makes it be filled in described second cavity, thus, described bolt can be improved match with described through hole the seal at place, it is to avoid refrigerant is matched with through hole leakage by described bolt.
Preferably, hole, described location is shoulder hole, and it is unthreaded hole near described piston side, and it is screwed hole away from described piston side, and the aperture of described through hole keeps consistent with the aperture of described unthreaded hole.Adopt this structure can either improve piston and connect the axiality of axle, be able to ensure that again the fastness that both connect.
Accompanying drawing explanation
Fig. 1 is the structural representation of Linearkompressor in prior art；
Fig. 2 is the structural representation of piston in the present invention；
Fig. 3 is the structural representation connecting axle in the present invention；
Fig. 4 utilizes bolt fixed piston in the present invention and the schematic diagram being connected axle；
Fig. 5 is piston and the cooperation schematic diagram being connected axle in the present invention, for first embodiment；
Fig. 6 is piston and the cooperation schematic diagram being connected axle in the present invention, is the second embodiment；
Fig. 7 is piston and the cooperation schematic diagram being connected axle in the present invention, is the 3rd embodiment；
Fig. 8 is piston and the cooperation schematic diagram being connected axle in the present invention, is the 4th embodiment；
Fig. 9 is piston and the cooperation schematic diagram being connected axle in the present invention, is the 5th embodiment.
Detailed description of the invention
Referring to shown in Fig. 2～Fig. 9, the detailed description of the invention of Linearkompressor of the present invention is described in detail.In described below, described front/rear corresponding to the left/right in Fig. 4～Fig. 9.
As in figure 2 it is shown, piston 1 is overall cylindrical, the outer rim at the rear end face of this piston 1 forms the first cylindrical portion 15 along its circumferencial direction, and the external diameter size of this first cylindrical portion 15 is equal with the radical length of piston 1.Axially extending along piston 1 of first cylindrical portion 15, is formed the groove recessed towards front (namely away from the following direction being connected axle 2) by this first cylindrical portion 15 with the rear end face of piston 1, wherein, is made up of the sidewall of this groove the first cylindrical portion 15.
Axially offer through hole 12 and this through hole 12 axially penetrating through along piston 1 along it in the centre of piston 1.Also forming the second cylindrical portion 13 around through hole 12 in groove on the rear end face of piston 1, the axial length of this second cylindrical portion 13 is less than the axial length of the first cylindrical portion 15.Offering multiple first through hole 17 between the first cylindrical portion 15 and the second cylindrical portion 13 on piston 1, as in figure 2 it is shown, these multiple first through hole 17 axially penetrating through along piston 1, and these multiple first through holes 17 are along the circumferential concentrated setting of piston 1.
As it is shown on figure 3, it is cylindrical to connect axle 2, offering along its hole, axially extended location 21 in the middle of it in the front end of this connection axle 2, this hole, location 21 aligns with through hole 12.Being further opened with multiple second through hole 22 in the front end connecting axle 2, these multiple second through holes 22 are symmetrical around hole 21, location, and they are along connecting the axially extending of axle 2 and connecting with suction muffler A.
As shown in Figures 4 and 5, connect axle 2 radical length more than the first cylindrical portion 15 interior electrical path length and less than its outer diameter length.Piston 1 be connected axle 2 be in confined state time, the front end face (namely connecting the left side of axle 2 in Fig. 4～Fig. 5) connecting axle 2 contacts with the top end face of the first cylindrical portion 15, the marginal portion making connection axle 2 is connected in the first cylindrical portion 15, the groove formed by the first cylindrical portion 15 is then sealed by the front end face of this connection axle 2, jointly surrounded the space (constituting annular recess) of an annular by the front end face of this groove, the second cylindrical portion 13 and connection axle 2, be the first cavity 16.First through hole 17 connects with this first cavity 16 respectively with the second through hole 22.As it is shown in figure 5, the second through hole 22 and the first cavity 16 are not fully aligned, both is in the setting that is partly staggered, and the second through hole 22 is partial to the radially inner side setting of piston 1.In the breathing process of Linearkompressor, refrigerant enters in compression chamber A via suction muffler B, second through hole the 22, first cavity the 16, first through hole 17 successively.
As shown in Figure 4, hole 21, location is shoulder hole, and its fore-end (namely near piston 1 side) is unthreaded hole, and its rear end part (namely away from piston 1 side) is screwed hole, the aperture of unthreaded hole is more than the aperture of screwed hole, and the aperture of through hole 12 is equal with the aperture of this unthreaded hole.The bolt 4 with nut includes polished rod part 41 and threaded portion 42, and this polished rod part 41 matches with through hole 12 and unthreaded hole, and threaded portion 42 closes with corresponding threaded holes.The rear end of bolt 4 sequentially passes through through hole 12, unthreaded hole and screws on screwed hole, be achieved in piston 1 be connected axle 2 fixing connection.Owing to adopting aforementioned structure, piston 1 can either be improved and connect the axiality of axle 2, being able to ensure that again the fastness that both connect.
It addition, as it is shown in figure 5, piston 1 be connected axle 2 be in confined state time, the front end face and the first cylindrical portion 15 that connect axle 2 contact, and through hole 12 is directed at positioning hole 21, and the second cylindrical portion 13 is connected on the front end face of connection axle 2.Jointly surrounded the second cavity 14 by piston the 1, second cylindrical portion 13 and connection axle 2, be sleeved on the rubber seal on bolt 4 (sealing member) 5 and be placed in this second cavity 14.Utilizing bolt 4 fixed piston 1 with when being connected axle 2, sealing member 5 is carried out extruding by bolt 4 makes it be filled in the second cavity 14, matches with through hole 12 seal located thereby, it is possible to improve bolt 4, it is to avoid refrigerant is matched with through hole 12 leakage by bolt 4.
In the above-described embodiments, owing to forming the first cavity 16, and first through hole 17 connected by this first cavity 16 with the second through hole 22, refrigerant is enable to flow through the second through hole 22 successively, first cavity 16, first through hole 17 and enter in compression chamber A, so, it is under confined state at piston 1 with being connected axle 2, also can realize refrigerant with the second through hole 22 flowed into the first through hole 17 by the second through hole 22 without making the first through hole 17 keep being directed at and then enter in compression chamber A, the precision that can improve piston 1 and be connected when axle 2 assembles, advantageously reduce the installation difficulty of Linearkompressor.Simultaneously, additionally it is possible to reduce at piston 1 and connect the difficulty of processing offering the first through hole 17 and the second through hole 22 on axle 2.In addition it is possible to guarantee that refrigerant flows in compression chamber A, the stream making refrigerant is more smooth and easy.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Such as, in the above-described embodiments, as shown in Figure 5, groove is formed in the rear end of piston 1, by the front end face connecting axle 2, this groove is sealed, it is consequently formed the first cavity 16, but it is not limited to this, also can form groove in the front end connecting axle 2, sealed to form the first cavity to this groove by the rear end face of piston 1, or, form, in the front end of the rear end of piston 1 and connection axle 2, the groove that the direction faced away from each other is recessed respectively, by the sidewall of the two groove being fetched relatively formation the first cavity.
Simultaneously, the outer diameter length of the first cylindrical portion 15 is also smaller than the radical length of piston 1, outer rim at the front end face connecting axle 2 is formed along the axially extended circular protrusions connecting axle 2 along its circumference, the inner side of this circular protrusions is close to the external peripheral surface of the first cylindrical portion 15 and is arranged, and is consequently formed the first cavity 16.It addition, in the above-described embodiments, as shown in Figure 2, rear end face at piston 1 forms the annular recess constituting the first cavity 16, and this annular recess is centrally located, but is not limited to this, this groove also can be formed at the side of the rear end face of piston 1, and its shape is also not limited to annular.
Again such as, as shown in Figures 2 and 3, the first through hole 17 is along the circumferential concentrated setting of piston 1, and the second through hole 22 is symmetrical arranged around through hole 21.But it is not limited to this, the keynote idea of the present invention is that the second through hole 22 is connected with the first through hole 17 by the first cavity 16, and whether the first through hole 17 is directed in the assembled condition with the second through hole 22 and does not do requirement, therefore the distribution of the first through hole 17 and the second through hole 22 is not also limited.First through hole 17 also can be symmetrical arranged along the circumference of piston 1, or, the second through hole 22 also can along the circumferential concentrated setting connecting axle 1.
Again such as, as it is shown in figure 5, the edge portion thereof connecting axle 2 is connected in the first cylindrical portion 15, the second through hole 22 and the first cavity 16 are not fully aligned, both setting that is staggered in part, and the second through hole 22 is partial to the radially inner side setting of piston 1.But it is not limited to this, the keynote idea of the present invention is that the second through hole 22 is connected with the first through hole 17 by the first cavity 16, and the concrete mode of communicating for the second through hole 22 and the first cavity 16 is not construed as limiting, it also can adopt mode of communicating shown in Fig. 6～Fig. 9, particularly as follows:
Fig. 6 is piston and the cooperation schematic diagram being connected axle, being the second embodiment, as shown in Figure 6, it is distinctive in that with first embodiment shown in Fig. 5, the marginal portion connecting axle 2 is all connected in the first cylindrical portion 15, and the second through hole 22 is partial to the radial outside setting of piston 1.
Fig. 7 is piston and the cooperation schematic diagram being connected axle, it it is the 3rd embodiment, as shown in Figure 7, it is distinctive in that with first embodiment shown in Fig. 5, the marginal portion connecting axle 2 is all connected in the first cylindrical portion 15, the aperture of the second through hole 22 is equal along the width (i.e. radial distance between the first cylindrical portion 15 with the second cylindrical portion 13) of the radial direction of piston 1 with the first cavity 16, and the second through hole 22 is directed at the first cavity 16 just.
Fig. 8 is piston and the cooperation schematic diagram being connected axle, is the 4th embodiment, and as shown in Figure 8, its 3rd embodiment shown in Fig. 7 is distinctive in that, the aperture of the second through hole 22 is more than first cavity 16 width along the radial direction of piston 1.
Fig. 9 is piston and the cooperation schematic diagram being connected axle, it it is the 5th embodiment, as shown in Figure 9, it is distinctive in that with the 3rd embodiment shown in Fig. 7, the edge portion thereof connecting axle 2 is connected in the first cylindrical portion 15, second through hole 22 and the first cavity 16 are fully aligned, and the aperture of the second through hole 22 is less than first cavity 16 width along the radial direction of piston 1.
Claims (7)
1. a Linearkompressor, including piston (1) and assembling connection axle (2) thereon, the compression chamber (A) of compressor is connected by the first through hole (17) on described piston (1) and the second through hole (22) on described connection axle (2) with the suction muffler (B) being connected in axle (2), it is characterized in that
Forming the first cavity (16) in both connections on described piston (1) and/or connection axle (2), described first through hole (17) is connected by this first cavity (16) with the second through hole (22).
2. Linearkompressor according to claim 1, it is characterized in that, the end face being connected in both on described piston (1) or described connection axle (2) is formed groove, relative end face closes this groove to constitute described first cavity (16).
3. Linearkompressor according to claim 1, it is characterized in that, the end face being connected in both on described piston (1) with described connection axle (2) forms groove respectively, is made up of described first cavity (16) both relative closure.
4. the Linearkompressor according to Claims 2 or 3, it is characterised in that described groove is be connected, with described, the annular recess that axle (2) is coaxial.
5. Linearkompressor according to claim 4, it is characterized in that, through the through hole (12) on described piston (1) and to screw the hole, location (21) on described connection axle (2) upper and be assemblied on described connection axle (2) by bolt (4) for described piston (1).
6. Linearkompressor according to claim 5, it is characterized in that, the end face being connected in both on described piston (1) and/or described connection axle (2) is formed with the groove around bolt (4), closed this groove by relative end face and constitute the second cavity (14), in this second cavity (14), be provided with sealing member (5).
7. Linearkompressor according to claim 5, it is characterized in that, hole, described location (21) is shoulder hole, it is unthreaded hole near described piston (1) side, it is screwed hole away from described piston (1) side, and the aperture of described through hole (12) keeps consistent with the aperture of described unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044578.2A CN103967749B (en) | 2013-02-04 | 2013-02-04 | Linearkompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044578.2A CN103967749B (en) | 2013-02-04 | 2013-02-04 | Linearkompressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967749A CN103967749A (en) | 2014-08-06 |
| CN103967749B true CN103967749B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310044578.2A Active CN103967749B (en) | 2013-02-04 | 2013-02-04 | Linearkompressor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410292A (en) * | 2019-08-13 | 2019-11-05 | 黄石东贝电器股份有限公司 | A kind of Linearkompressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0784753B1 (en) * | 1995-08-21 | 2000-11-29 | Lg Electronics Inc. | Axial flow valve system in combination with a linera compressor |
| JP2002070734A (en) * | 2000-08-23 | 2002-03-08 | Sanyo Electric Co Ltd | Linear compressor |
| KR100746428B1 (en) * | 2006-02-09 | 2007-08-03 | 엘지전자 주식회사 | Piston for linear compressor |
| KR100728342B1 (en) * | 2006-02-27 | 2007-06-13 | 주식회사 대우일렉트로닉스 | Structure of channel for liner compressor |
| KR100848913B1 (en) * | 2007-02-26 | 2008-07-29 | 엘지전자 주식회사 | Linear compressor and manufacturing method the same |
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| CN103967749A (en) | 2014-08-06 |
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Owner name: QINGDAO HAIER INTELLIGENT TECHNOLOGY DEVELOPMENT C Free format text: FORMER OWNER: HAIER GROUP CORPORATION Effective date: 20150121 Free format text: FORMER OWNER: HAIER GROUP TECHNOLOGY RESEARCH AND DEVELOPMENT CENTER QINGDAO HAIR CO., LTD. Effective date: 20150121 |
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Effective date of registration: 20150121 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Intellectual technology research and development Co., Ltd of Qingdao Haier Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Haier Group Technology Research and Development Center Applicant before: Qingdao Hair Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140806 Assignee: WanBao Group Compressor Co., Ltd. Assignor: Intellectual technology research and development Co., Ltd of Qingdao Haier Contract record no.: 2015990000261 Denomination of invention: Linear compressor License type: Common License Record date: 20150429 |
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Application publication date: 20140806 Assignee: Jiaxibeila Compressor Co., Ltd. Assignor: Intellectual technology research and development Co., Ltd of Qingdao Haier Contract record no.: 2015990000349 Denomination of invention: Linear compressor License type: Common License Record date: 20150525 |
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