KR100518013B1 - Apparatus for fixing spring of reciprocating compressor - Google Patents

Apparatus for fixing spring of reciprocating compressor Download PDF

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Publication number
KR100518013B1
KR100518013B1 KR10-2003-0015210A KR20030015210A KR100518013B1 KR 100518013 B1 KR100518013 B1 KR 100518013B1 KR 20030015210 A KR20030015210 A KR 20030015210A KR 100518013 B1 KR100518013 B1 KR 100518013B1
Authority
KR
South Korea
Prior art keywords
spring
frame
mover
piston
reciprocating
Prior art date
Application number
KR10-2003-0015210A
Other languages
Korean (ko)
Other versions
KR20040080449A (en
Inventor
김장환
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR10-2003-0015210A priority Critical patent/KR100518013B1/en
Publication of KR20040080449A publication Critical patent/KR20040080449A/en
Application granted granted Critical
Publication of KR100518013B1 publication Critical patent/KR100518013B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44DPAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/04Paint boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44DPAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/12Paint cans; Brush holders; Containers for storing residual paint
    • B44D3/127Covers or lids for paint cans

Abstract

The present invention relates to a spring fixing structure of the reciprocating compressor, the present invention is a frame elastically supported in the casing, a reciprocating motor mounted in the frame to move the reciprocating linear movement of the mover, and a reciprocating motor A piston that sucks and compresses fluid while linearly reciprocating together with a mover of a cylinder, a cylinder fixed to a frame so that the piston slides and forms a compression space, and the mover and the piston of the reciprocating motor resonate together A reciprocating compressor including a resonator spring provided between the mover or the spring support coupled to the mover and the frame, the inlet of the frame contacting the end of the resonant spring and the mover or the spring support coupled to the mover. Resonant spring and spring by forming spring fixing part having inclined surface Jeonghom or resonance spring and the spring by reducing the contact resistance between the fixing projection can facilitate the insertion operation of the spring and it can also easily adjust the fitting position of each resonance spring can be increased effectively as a whole the productivity of the compressor

Description

Spring fixed structure of reciprocating compressor {APPARATUS FOR FIXING SPRING OF RECIPROCATING COMPRESSOR}

The present invention relates to a reciprocating compressor, and more particularly to a spring fixing structure of the reciprocating compressor that can facilitate the assembly of the resonant spring.

In general, a reciprocating compressor is a piston that reciprocates in a straight line inside a cylinder to inhale, compress, and discharge gas. The piston reciprocates the piston by receiving a method of converting the rotational force of the motor and the reciprocating motion of the motor. It can be distinguished by exercising.

1 is a longitudinal sectional view showing an example of a conventional reciprocating compressor belonging to the latter.

As shown in the drawing, a conventional reciprocating compressor includes a casing 10 communicating with a gas suction pipe SP and a gas discharge pipe DP, a frame unit 20 elastically supported inside the casing 10, A reciprocating motor 30 supported by the frame unit 20 and fixed inside the casing 10, and a compression unit 40 mechanically connected to the reciprocating motor 30 and supported by the frame unit 20. And a resonant spring unit 50 that elastically supports the reciprocating motor 30 to induce a resonant motion.

The frame unit 20 supports the cylinder 41 and the piston 42 of the compression unit 40 together and reciprocates in combination with the front frame 21 and the front frame 21 for receiving the compression unit 40. Intermediate frame 42 supporting the outer stator 31 of the motor 30, coupled to the intermediate frame 22 to support the outer stator 31 and the inner stator 32 of the reciprocating motor 30 together It consists of a rear frame (23).

On the opposing surfaces of the front frame 21 and the intermediate frame 22, spring fixing grooves 21a and 22a are formed to respectively insert and fix the front resonance spring 52 and the rear resonance spring 53, which will be described later. .

The reciprocating motor 30 is coupled to the outer stator 31 installed between the intermediate frame 22 and the rear frame 23 and the outer stator 31 at a predetermined interval to insert and fix the rear frame 21. The inner stator 32, the outer stator 31 and the inner stator 32 is provided between the movable member 33 to reciprocate in a straight line.

The compression unit 40 is coupled to the cylinder 41 coupled to the front frame 21 and the mover 33 of the reciprocating motor 30 to reciprocate in the compression space P of the cylinder 41. On the inlet valve 43 and the discharge side of the cylinder 41, which are attached to the piston 42 and the tip of the piston 42 to restrict the intake of the refrigerant gas while opening and closing the inlet flow path F of the piston 42. It is composed of a discharge valve assembly 44 to limit the discharge of the compressed gas while opening and closing the compression space (P).

The resonant spring unit 50 is coupled to both sides of the spring support 51 and the spring support 51 and the mover 33 and the piston 42 of the reciprocating motor 30, respectively, the mover described above. (33) and the front resonant spring 52 and the rear resonant spring (53) for inducing the resonant motion of the piston (42).

The spring support 51 has the front side resonance spring 52 and the rear side resonance spring 53 on both front and rear sides opposing the spring fixing grooves 21a and 22a of the front frame 21 and the rear frame 22, respectively. Spring fixing protrusions 51a and 51a for inserting and fixing the other end of the s) are formed.

In the drawing, reference numeral F denotes a suction channel.

The conventional reciprocating compressor as described above operates as follows.

That is, when power is applied to the outer stator 31 of the reciprocating motor 30, a flux is formed between the outer stator 31 and the inner stator 32 to form the movable element 33 and the piston 42. ) Move together in the direction of the flux and reciprocate in a straight line by the resonant spring unit 50, and with the piston 42 reciprocate in a straight line in the cylinder 41, compression of the cylinder 41 By generating a pressure difference in the space P, a series of processes in which the refrigerant gas is sucked into the compression space P, compressed to a predetermined pressure, and then discharged are repeated.

Here, as shown in FIG. 2, the spring fixing groove 22a has a vertical portion 22b and a horizontal portion 22c when the inner diameter thereof is substantially the same as the outer diameter of the resonant spring 53 so as to refer to the longitudinal direction of the spring. It is engraved in succession.

In addition, as shown in FIG. 3, the spring fixing protrusion 51a is inclined in succession to the vertical portion 51b and the horizontal portion 51c so that the outer diameter thereof is substantially the same as the inner diameter of the resonant spring. Forming.

However, in the conventional reciprocating compressor as described above, as the spring fixing grooves 21a and 22a and the spring fixing protrusions 51a and 51a are formed at almost right angles, the above-mentioned resonance springs 52 and 53 are formed. When inserted, the resonant springs 52 and 53 are inserted from the outer diameter or the inner diameter and close to the inlet so that the assembly work is not easy and the operator must insert the correct position while correcting the productivity.

The present invention has been made in view of the problems of the conventional reciprocating compressor as described above, and an object of the present invention is to provide a spring fixing structure of the reciprocating compressor that can be easily inserted and fixed to each resonant spring.

In order to achieve the object of the present invention, a frame that is elastically supported in the casing, a reciprocating motor mounted in the frame and the mover linearly reciprocates, and coupled to the mover of the reciprocating motor A piston for sucking and compressing fluid while reciprocating, a cylinder fixed to the frame so that the piston is slidably inserted to form a compression space, the mover of the reciprocating motor and the mover so that the piston resonates together A reciprocating compressor including a spring support coupled to a frame and a resonant spring provided between the frames, wherein a spring fixing portion having an inclined surface is formed in the frame and the mover or the spring support coupled to the mover, the end of the resonant spring being in contact with the frame. Providing a spring fixing structure of the reciprocating compressor, characterized in that The.

Hereinafter, the spring fixing structure of the reciprocating compressor according to the present invention will be described in detail with reference to the embodiment shown in the accompanying drawings.

Figure 4 is a longitudinal cross-sectional view showing a fixed structure of the resonant spring in the reciprocating compressor of the present invention, Figures 5 and 6 are longitudinal cross-sectional view showing a modified example of the fixed structure of the resonant spring of the present invention, Figures 7 and 8 The longitudinal cross-sectional view which showed the other modification of the fixed structure of the invention resonant spring.

As illustrated therein, the reciprocating compressor according to the present invention includes a front frame 110 and a reciprocating motor 30 that support the cylinder 41 (shown in FIG. 1) and the piston 42 (shown in FIG. 1). A spring support that engages with the mover 33 (shown in FIG. 1) of the reciprocating motor between the intermediate frame 120 supporting the outer stator 31 (shown in FIG. 1) of (shown in FIG. 1). And a front side resonant spring for resonating the mover and the piston between the front and rear side surfaces of the spring support 130 and the front frame 110 and the intermediate frame 120 respectively opposed thereto. 52 and the rear resonant spring 53 are fixed.

Here, spring fixing grooves 111 and 121 are formed on the rear surface of the front frame 110 and the front surface of the intermediate frame 120 to insert and fix the resonance springs 52 and 53. .

The spring fixing grooves 111 and 121 are formed to be negative in a predetermined depth, and as shown in FIG. 4, the resonance springs 52 and 53 support the ends of the resonance springs 52 and 53 in the elastic direction. It consists of a support portion (111a) (121a) formed perpendicular to the elastic direction of the guide portion 111b (121b) successively formed so as to be gradually enlarged and inclined at the end of the support portion (111a) (121a).

At the ends of the guide portions 111b and 121b, as shown in FIG. 5, extension portions 111c and 121c which can prevent the resonance springs 52 and 53 from being separated, are provided in the elastic directions of the springs 52 and 53. It may be formed to extend.

Also, as shown in FIG. 6, the spring fixing grooves 111 and 121 are flat so as to be perpendicular to the elastic direction of the resonant springs 52 and 53 to support the ends of the resonant springs 52 and 53 in the elastic direction. First support portions 111d and 121d which are formed to be securely formed, and second support portions which are successively formed in a direction perpendicular to the first support portions 111d and 121d to support outer peripheral surfaces of the end portions of the resonant springs 52 and 53. It may be composed of (111e) 121e and guide portions 111f (121f) successively formed so as to be enlarged and inclined to the second support portions (111e) 121e.

On the other hand, on both front and rear sides of the spring support 130 to form the spring fixing protrusions (131, 131) for inserting and supporting the end of each of the resonant spring (52, 53) described above.

As shown in FIG. 7, the spring fixing protrusions 131 and 131 have a support portion 131a and 131a formed horizontally with respect to the elastic direction of the spring 52 and 53 and a spring to the support portions 131a and 131a. It consists of guide parts (131b) (131b) successively formed so as to be inclined to shrink in the elastic direction. An extension portion (not shown) may be formed at the ends of the support portions 131a and 131a in the elastic direction of the spring so as to prevent the resonance springs 52 and 53 from being separated.

In addition, the spring fixing protrusions 131 and 131 include support portions 131c and 131c formed perpendicular to the elastic direction of the springs 52 and 53, as shown in FIG. 8, and the support portions 131c and 131c. It may be formed in succession to the guide portion (131d, 131d) having a hemispherical shape around the center of the support as a general. Extensions (not shown) may be formed at the ends of the guide portions 131d and 131d in the elastic direction of the spring to prevent the resonance springs 52 and 53 from being separated.

In the drawings, the same reference numerals are given to the same parts as in the prior art.

The spring fixing structure of the reciprocating compressor of the present invention as described above has the following effects.

That is, when assembling the reciprocating compressor, the spring support 130 is coupled to the connection portion between the mover 33 (shown in FIG. 1) of the reciprocating motor and the piston 42 (shown in FIG. 1) of the compression unit, One end of each of the front side resonance spring 52 and the rear side resonance spring 53 is fixed to the front and rear sides of the spring support 130, and the front side resonance spring 52 and the rear side resonance spring 53 are fixed. The other end of the fixed to the front frame 110 and the intermediate frame 120, respectively.

At this time, the front fixing frame 110 and the intermediate frame 120, respectively, the spring fixing grooves 111 and 121 to a predetermined depth on the same circumference by the number of the front side resonance spring 52 or the rear side resonance spring 53. On the front and rear sides of the spring support 130, the spring fixing protrusions 131 and 131 having a predetermined height by the number of the resonant springs 52 and 53 are formed on the same circumference.

Among these, the spring fixing grooves 111 and 121 support guide parts (111b) 121b (111f) 121f that are inclined at the inlet side as mentioned above. (111e, 121e) in succession, when the resonant springs 52, 53 are inserted, the end portions of the resonant springs 52, 53 are guide parts (111b, 121b) described above. The assembly work can be easily performed by inserting while sliding along (111f) 121f. For example, the support portion (the second support portion in FIG. 6) ((111a) 121a) ((111e) 121e) generally has an inner diameter substantially the same as the outer diameter of the resonant springs 52, 53 so that the above-mentioned resonant spring (52) and (53), but the guide portion ((111b) (121b)) extended to the inlet side of the support portions (111a) (121a) ((111e) (121e)) as in the present invention ( When (111f) (121f) is formed, the resonant springs (52, 53) slide along the guide portions (111b, 121b) ((111f) (121f)) to support portions ((111a) (121a). It is possible to facilitate the press-fit of the resonant springs 52 and 53 by seating on ()) (111e, 121e). In addition, since the inlet of each spring fixing groove 111, 121 is wide, it is easy to adjust the fitting position of the resonant spring (52) (53).

On the other hand, even when forming the spring fixing protrusions (131, 131) on the spring support 130, as shown in Figure 7 or 8, the guide portion (() 111b) 121b) (111f) 121f, the outer circumferential surface of the spring fixing protrusions 131, 131 and the resonant springs 52, 53 when the resonant springs 52, 53 are inserted. It can be assembled more easily by reducing the frictional resistance between the inner circumferential surfaces. In addition, since the inlet of each spring fixing protrusion (131, 131) is narrow, it is easy to adjust the fitting position of the resonant spring (52, 53).

In this way, when inserting each resonant spring into the spring fixing groove of the frame and the spring fixing protrusion of the spring support, the contact resistance between the resonance spring and the spring fixing groove or the resonating spring and the spring fixing protrusion is reduced to facilitate the insertion of the spring. It is possible to adjust the insertion position of each resonant spring easily, so that the overall productivity of the compressor can be effectively increased.

The spring fixing structure of the reciprocating compressor according to the present invention includes a spring fixing groove for inserting and fixing both ends of the resonance spring and an inclined guide portion at the inlet of the spring fixing protrusion, whereby the resonance spring and the spring fixing groove or the resonance spring and the spring fixing are provided. The contact resistance between the projections can be reduced to facilitate the insertion of the spring, and the insertion position of each resonant spring can be easily adjusted to increase the overall productivity of the compressor.

1 is a longitudinal sectional view showing an example of a conventional reciprocating compressor;

2 and 3 are longitudinal cross-sectional view showing a fixed structure of the resonant spring in the conventional reciprocating compressor,

Figure 4 is a longitudinal sectional view showing a fixed structure of the resonant spring in the reciprocating compressor of the present invention,

5 and 6 are longitudinal cross-sectional view showing a modification to the fixed structure of the present invention resonant spring,

7 and 8 are longitudinal cross-sectional view showing another modification to the fixed structure of the resonant spring of the present invention.

** Description of symbols for the main parts of the drawing **

110,120: Front, middle frame 111,121: Spring fixing groove

111a, 121a: Support portion 111b, 121b: Guide portion

111c and 121c: Extension part 111d and 121d: First support part

111e, 121e: second support portion 111f, 121f: guide portion

130: spring support 131: spring fixing protrusion

131a: support portion 131b: guide portion

Claims (6)

  1. delete
  2. A frame that is elastically installed inside the casing, a reciprocating motor mounted inside the frame to move the reciprocator linearly, and coupled to the mover of the reciprocating motor to reciprocate linearly together for suction compression A piston to which the piston is slidably inserted and fixed to the frame to form a compression space, between the mover of the reciprocating motor and a spring support coupled to the mover and the frame so that the piston resonates together. In the reciprocating compressor including a resonant spring provided in the
    The frame and the movable or the spring support coupled to the end of the resonant spring is formed with a spring fixing part having an inclined surface, the spring fixing part is formed perpendicular to the elastic direction of the spring, and gradually A spring fixing structure of a reciprocating compressor comprising a guide part which is formed so as to be enlarged and inclined successively, and an extension part which extends from the end of the guide part in the elastic direction of the spring.
  3. A frame that is elastically installed inside the casing, a reciprocating motor mounted inside the frame to move the reciprocator linearly, and coupled to the mover of the reciprocating motor to reciprocate linearly together for suction compression A piston to which the piston is slidably inserted and fixed to the frame to form a compression space, between the mover of the reciprocating motor and a spring support coupled to the mover and the frame so that the piston resonates together. In the reciprocating compressor including a resonant spring provided in,
    In the frame contacting the end of the resonant spring and the mover or the spring support coupled to the mover, a spring fixing portion having an inclined surface is formed, the spring fixing portion being formed perpendicular to the elastic direction of the spring; A reciprocating type comprising: a second support portion formed perpendicularly to the first support portion; a guide portion formed successively to be gradually inclined and inclined at the second support portion; and an extension portion extending from the end of the guide portion in an elastic direction of the spring. Spring fixed structure of the compressor.
  4. A frame that is elastically installed inside the casing, a reciprocating motor mounted inside the frame to move the reciprocator linearly, and coupled to the mover of the reciprocating motor to reciprocate linearly together for suction compression A piston to which the piston is slidably inserted and fixed to the frame to form a compression space, between the mover of the reciprocating motor and a spring support coupled to the mover and the frame so that the piston resonates together. In the reciprocating compressor including a resonant spring provided in,
    The frame and the movable or the spring support coupled to the end of the resonant spring is formed with a spring fixing portion having an inclined surface, the spring fixing portion is formed perpendicular to the elastic direction of the spring, and the spring A spring fixing structure of the reciprocating compressor, characterized in that it consists of a guide portion continuously formed to be gradually inclined in the elastic direction of the inclined portion, and an extension portion extending in the elastic direction of the spring at the end of the guide portion.
  5. A frame that is elastically installed inside the casing, a reciprocating motor mounted inside the frame to move the reciprocator linearly, and coupled to the mover of the reciprocating motor to reciprocate linearly together for suction compression A piston to which the piston is slidably inserted and fixed to the frame to form a compression space, between the mover of the reciprocating motor and a spring support coupled to the mover and the frame so that the piston resonates together. In the reciprocating compressor including a resonant spring provided in,
    The frame and the movable or the spring support coupled to the end of the resonant spring are formed with a spring fixing part having an inclined surface, the spring fixing part being formed perpendicular to the elastic direction of the spring, and the end of the supporting part. A spring fixing structure of a reciprocating compressor comprising a guide part continuously formed in a hemispherical shape so that the center part is convex, and an extension part extending in an elastic direction of the spring at the end of the guide part.
  6. delete
KR10-2003-0015210A 2003-03-11 2003-03-11 Apparatus for fixing spring of reciprocating compressor KR100518013B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2003-0015210A KR100518013B1 (en) 2003-03-11 2003-03-11 Apparatus for fixing spring of reciprocating compressor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2003-0015210A KR100518013B1 (en) 2003-03-11 2003-03-11 Apparatus for fixing spring of reciprocating compressor
CNA2004800066253A CN1759244A (en) 2003-03-11 2004-03-11 Spring fixing structure of reciprocating compressor
PCT/KR2004/000507 WO2004081421A2 (en) 2003-03-11 2004-03-11 Spring fixing structure of reciprocating compressor

Publications (2)

Publication Number Publication Date
KR20040080449A KR20040080449A (en) 2004-09-20
KR100518013B1 true KR100518013B1 (en) 2005-09-30

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Application Number Title Priority Date Filing Date
KR10-2003-0015210A KR100518013B1 (en) 2003-03-11 2003-03-11 Apparatus for fixing spring of reciprocating compressor

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KR (1) KR100518013B1 (en)
CN (1) CN1759244A (en)
WO (1) WO2004081421A2 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
KR101234853B1 (en) * 2010-11-16 2013-02-20 주식회사 태한이엔씨 Cylinder for lifting up and down of heavy object

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GB0224986D0 (en) 2002-10-28 2002-12-04 Smith & Nephew Apparatus
GB0325129D0 (en) 2003-10-28 2003-12-03 Smith & Nephew Apparatus in situ
US8641691B2 (en) 2006-09-28 2014-02-04 Smith & Nephew, Inc. Portable wound therapy system
EP2426357B1 (en) * 2007-07-27 2017-10-18 Lg Electronics Inc. Linear compressor
KR101507605B1 (en) * 2007-10-24 2015-04-01 엘지전자 주식회사 linear compressor
CA2705898C (en) 2007-11-21 2020-08-25 Smith & Nephew Plc Wound dressing
GB201015656D0 (en) 2010-09-20 2010-10-27 Smith & Nephew Pressure control apparatus
US9084845B2 (en) 2011-11-02 2015-07-21 Smith & Nephew Plc Reduced pressure therapy apparatuses and methods of using same
RU2014138377A (en) 2012-03-20 2016-05-20 СМИТ ЭНД НЕФЬЮ ПиЭлСи Reduced pressure therapy system operation management based on determining the threshold threshold
US9427505B2 (en) 2012-05-15 2016-08-30 Smith & Nephew Plc Negative pressure wound therapy apparatus
CA2971799A1 (en) 2014-12-22 2016-06-30 Smith & Nephew Plc Negative pressure wound therapy apparatus and methods
KR20170124899A (en) * 2016-05-03 2017-11-13 엘지전자 주식회사 linear compressor

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DE3726758C2 (en) * 1987-08-12 1989-05-24 Danfoss A/S, Nordborg, Dk
BR9802262A (en) * 1998-06-05 2000-03-08 Stumpp & Schuele Do Brasil Ind Improvement in suspension for hermetic refrigeration compressors.
KR100382927B1 (en) * 2001-02-24 2003-05-09 엘지전자 주식회사 Linear compressor

Cited By (1)

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Publication number Priority date Publication date Assignee Title
KR101234853B1 (en) * 2010-11-16 2013-02-20 주식회사 태한이엔씨 Cylinder for lifting up and down of heavy object

Also Published As

Publication number Publication date
CN1759244A (en) 2006-04-12
WO2004081421A2 (en) 2004-09-23
WO2004081421A3 (en) 2004-12-16
KR20040080449A (en) 2004-09-20

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