CN100375842C - Piston initial position regulator for piston type compressor - Google Patents
Piston initial position regulator for piston type compressor Download PDFInfo
- Publication number
- CN100375842C CN100375842C CNB031298222A CN03129822A CN100375842C CN 100375842 C CN100375842 C CN 100375842C CN B031298222 A CNB031298222 A CN B031298222A CN 03129822 A CN03129822 A CN 03129822A CN 100375842 C CN100375842 C CN 100375842C
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- Prior art keywords
- piston
- spring
- initial position
- resonant
- regulating
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Abstract
The present invention relates to a piston initial position regulator for a piston type compressor. The present invention comprises a resonance spring device and a plurality of piston position regulating parts, wherein the piston position regulating parts are combined on a back support frame which supports a resonance spring, and the piston position regulating parts regulate an initial position of a piston by increasing and decreasing the regulating depth of the piston position regulating parts and regulating the amount of compression of the resonance spring. A spring base is positioned on the support surface of the support frame which supports the resonance spring. A position bolt is regulated, which leads the spring base to move, and therefore, the amount of compression of the resonance spring is regulated, or the amount of compression of the resonance spring is regulated by regulating the position bolt. A series of complicated work, such as the assembly, the disassembly and the reassembly, etc. for the support frame so as to align the initial position of the piston can be reduced. Therefore, the production capacity of a piston type compressor is improved.
Description
Technical field
The present invention relates to compressor field.
Background technique
In general, piston compressor is to move back and forth by the inside of piston at cylinder body, and sucks fluid and it is compressed, and its is discharged again.Fig. 1 is expression existing piston formula compressor one embodiment's a longitudinal sectional drawing.
As shown in the figure, existing compressor is made of following components.Promptly by the shell 10 that possesses fluid suction pipe (SP) and fluid discharge pipe (DP); Be arranged in the inside of shell, play the holder device 20 of elasticity support effect; Be fixed on the holder device 20, and the reciprocal electrodynamic machine 30 that mover moves back and forth along straight line; Be fixed on the holder device 20, combine, thereby suck, compress, and discharge the compression set 40 of fluid with the mover 33 of reciprocal electrodynamic machine 30; The mover 33 of the reciprocal electrodynamic machine 30 of elasticity support and the piston 42 of compression set 40, thereby the resonant spring device 50 of the resonance motion by mover 33 induced pistons.
Back and forth electrodynamic machine 30 is the outer stators 31 by cylinder body 41 outsides that are positioned at compression set 40; With the inboard of outer stator 31, at a distance of certain clearance, and be fixed on the inside stator 32 of the outer surface of front carriage 21; Gap between outer stator 31 and inside stator 32, and combine with the piston of compression set 40, and along rectilinear direction, the mover 33 that moves back and forth jointly with piston 42 constitutes.
The working procedure of aforesaid existing compressor is as follows.
Promptly behind the outer stator 31 connection power supplys to reciprocal electrodynamic machine 30, will form magnetic flux between outer stator 31 and the inside stator 32.And this moment mover 33 and piston 42, can move along magnetic flux direction, make resonant spring device 50 simultaneously, move back and forth along straight line.Meanwhile, 42 in piston can move back and forth along straight line in the inside of cylinder body 41, thereby makes produce pressure difference in compression volume P.Suck the refrigerant fluid thus, again fluid is compressed to certain pressure, then fluid is discharged.A series of like this correlated process can be carried out repeatedly.
, consider the amplitude of piston 42 here, and the initial position of regulating piston 42, should look like as shown in Figure 2, between intermediate support 22 and posterior bracket 23, insert independent isolation pad 60, thereby, be adjusted to the position of solid line the dot and dash line position of initial position from drawing of piston 42.
But, on the piston initial position controlling device of aforesaid existing piston formula compressor, the same as previously described, to between intermediate support 22 and posterior bracket 23, insert independent isolation pad 60, by regulating both sides resonant spring 52,53 decrement, thereby the initial position of regulating piston 42.But because this needs to determine earlier the thickness of isolation pad 60, assembled again after intermediate support 22 and the posterior bracket 23, whether the initial position that could judge piston 42 has been adjusted to suitable position, so when the thickness of isolation pad 60 is unsuitable, will produce and to decompose it again, and then the work of regulating repeatedly, the problem of assembling again.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of piston initial position controlling device of piston compressor, easily the initial position of regulating piston.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the piston initial position controlling device of piston compressor, on the piston compressor that comprises shell, holder device, reciprocal electrodynamic machine, compression set, resonant spring device, holder device is arranged on the inside of shell, is at least to have assembled plural support; Back and forth electrodynamic machine has outer stator and inside stator, and can carry out the mover of straight reciprocating motion between outer stator and inside stator; Outer stator and inside stator are fixedly installed on the holder device; Compression set is fixedly installed on the holder device, and cylinder body inserts the internal surface of inside stator, and this compression set combines with the mover of reciprocal electrodynamic machine, and piston can carry out the to-and-fro motion of straight line in the inside of cylinder body, can suck, compressed fluid; The resonant spring device is combined with spring and supports platform on the piston of the mover of reciprocal electrodynamic machine and compression set, spring support platform both sides and and support between the corresponding support in platform both sides, insert one or a plurality of resonant springs respectively, carry out resonance motion thereby bring out compression set; Piston initial position controlling device comprises the resonant spring device, also comprise and being combined on the posterior bracket of supporting resonant spring, regulate the degree of depth by increasing and decreasing it, regulate the decrement of resonant spring, thereby of regulating piston initial position or a plurality of piston positions are regulated parts.
Described resonant spring and regulating between the parts, have with all adjusted positions corresponding with regulating parts, the spring pedestal that constitutes by annular.
Described spring pedestal fovea superior convexes into the fixedly fixing spring lug boss of resonant spring.
The back side slot part of described fixing spring lug boss inserts in conjunction with adjusted position with regulating parts.
Described adjusted position independently in conjunction with the spring pedestal, thereby inserts fixedly resonant spring with the end of regulating parts respectively on the spring pedestal.
The end of the end of described adjusted position usefulness adjusting parts and corresponding spring pedestal forms lug boss and groove part respectively, thereby mutually combines.
The invention has the beneficial effects as follows: according to the piston initial position controlling device of piston compressor of the present invention, on the supporting surface of supporting the resonant spring support, place the spring pedestal, move its spring pedestal by the adjusted position bolt again, and the decrement of regulating resonant spring, perhaps regulate the decrement of resonant spring by the adjusted position bolt, the initial position that can reduce in order to aim at piston carries out, assembling to holder device, dismounting, a series of loaded down with trivial details work such as assembling again, thus the throughput of piston compressor also can be improved.
Description of drawings
Fig. 1 represents existing piston formula compressor one embodiment's longitudinal sectional drawing
Fig. 2 is illustrated on the existing piston formula compressor, the embodiment's of the initial position of regulating piston longitudinal sectional drawing
Fig. 3 is illustrated in the longitudinal sectional drawing according to the embodiment of the initial position of piston compressor adjusted piston of the present invention
The further explanatory drawings of " A " part in Fig. 4 presentation graphs 3
Fig. 5 represents the stereogram according to the spring pedestal on the piston compressor of the present invention
What Fig. 6 represented is, possess piston initial position controlling device of the present invention on the dbl act compressor, for before regulating and the half-sectional view that compares of the state after regulating
Fig. 7 represents the further explanatory drawings about the distortion example of " A " among Fig. 3 part
Fig. 8 and Fig. 9 represent about the part sectional arrangement drawing of foundation piston compressor piston initial stage controlling device distortion of the present invention example and to its stereogram that decomposes
In the drawings:
10. shell 20. holder devices
21. front carriage 22. intermediate supports
23. posterior bracket 23a. adjustment hole
30. reciprocal electrodynamic machine 31. outer stators
32. inside stator 33. movers
40. compression set 41. cylinder bodies
42. piston 43. suction valves
44. expulsion valve assemblying body 50. resonant spring devices
51. spring is supported platform 52. front side resonant springs
53. rear side resonant spring 60. isolation pad
100. piston position is regulated parts 110. spring pedestals
111. pedestal body 112. fixing spring lug bosses
112a. back side slot part
120,220. adjusted position bolts, 210. spring seats
211. inserting engagement groove 221. inserts in conjunction with lug boss
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 3 is the longitudinal sectional drawing that is illustrated in according to an embodiment of the initial position of piston compressor adjusted piston of the present invention, Fig. 4 is the further explanatory drawings of " A " part in the presentation graphs 3, Fig. 5 is the stereogram of expression according to the spring pedestal on the dbl act compressor of the present invention, what Fig. 6 represented is, on the piston compressor that possesses piston initial position controlling device of the present invention, for before regulating and the half-sectional view that compares of the state after regulating.
As shown in the figure, piston compressor of the present invention comprises following components.Promptly comprise the holder device 20 that plays elasticity support effect in the inside that is arranged on shell 10; Be fixed on the support 20, produce along the past dbl act motor 30 of the driving force of straight line; Be fixed on the holder device 20, thereby suck the compression set 40 that compresses oil body; Be combined in holder device and back and forth between the mover 33 of electrodynamic machine 30, induce the piston 42 of mover 33 and compression set 40 to carry out the resonant spring device 50 of resonance motion jointly; Be adjusted on the holder device 20, regulate the degree of depth by regulating it, thereby regulate the piston position adjusting portion 100 of the decrement of resonant spring device 50.
On posterior bracket 23, along circumferencial direction, be formed with the adjusted position bolt 120 that to regulate the spring pedestal 110 that is configured in posterior bracket 23 inside equally spacedly, adjusted position bolt 120 has the adjustment hole 23a of adjusted position bolt 120 along piston motion direction mobile spring pedestal 110 on the posterior bracket 23.
Back and forth electrodynamic machine 30 is by the outer stator 31 that is fixedly installed between front carriage 21 and the intermediate support 22; With with the inboard of outer stator 31 at a distance of certain clearance, and be pressed into inside stator 32 on the outer surface of cylinder body of compression set 40; And the gap of Jie between outer stator 31 and inside stator 32, and combine with the piston of compression set 40, and along rectilinear direction, the mover 33 that moves back and forth jointly with piston 42 constitutes.
Compression set 40 is fixed on cylinder body 41 on the front carriage 21 by insertion; With combine and the piston 42 that in the compression volume (P) of cylinder body 41, moves back and forth with the mover 33 of reciprocal electrodynamic machine 30; With the end that is installed in piston 42, by the suction oil circuit (F) of its piston 42 of switch, thus the suction valve 43 of the suction of restriction refrigerant fluid; On discharge one side that is installed in cylinder body 41, by switch compression volume (P), thereby the expulsion valve assemblying body that the limit compression fluid is discharged 44 constitutes.
Piston position adjusting portion 100 is made of spring pedestal 110 and adjusted position bolt 120, support the spring pedestal 110 at rear side resonant spring 53 rear portions to be configured on the inner side surface of the relative posterior bracket 23 of rear side resonant spring 53, adjusted position bolt 120 makes spring pedestal 110 to move along the piston motion direction, and adjusted position bolt 120 is on the adjustment hole 23a of posterior bracket 23.
On spring pedestal 110, the pedestal body 111 that constitutes by metal that tubular shape is arranged and all contact with each adjusted position bolt 120, and on pedestal body 111, (being 90 ° spacing on the drawing) at a certain distance is formed with the fixedly fixing spring lug boss 112 of rear side resonant spring along the circumferencial direction protrusion.
Consider this point that spring pedestal 110 will move to piston direction, the external diameter of pedestal body 111 is preferably basic identical with the internal diameter of posterior bracket 23.
Fixing spring lug boss 112 merely shown in the image pattern 4, convexes to form, also can be according to circumstances, as shown in Figure 7, can be so that the bolt head of adjusted position bolt 120 be inserted among the slot part 112a.In this case, mutually combine according to spring pedestal 110 and adjusted position bolt 120, in degree of tightness adjusted position bolt 120, can be so that spring pedestal 110 moves along straight line, can eliminate after assembling is finished simultaneously, when piston 42 moves back and forth, produce the twisting phenomenon.
In order to make adjusted position bolt 120 can bear the very strong elasticity of resonant spring, so preferably diameter wants big, length is little, but according to circumstances, as previously mentioned, can insert within the fixing spring lug boss 112 of spring 110, thus the straight movement of enhancing bolt.
In drawing,, give identical symbol and describe for identical part.
Aforesaid, according to compressor of the present invention, assemble by following process.
At first, cylinder body 41 insertions are fixed in the front carriage 21, on the outer surface of cylinder body 41, are pressed into the inside stator 32 of fixing reciprocal electrodynamic machine 30 again.And on the shell of inside stator 32, certain clearance is inserted outer stator 31 at interval, and make outer stator 31 contact with front carriage 21, simultaneously under the contacted state of opposite side of intermediate support and outer stator 31, tighten up front carriage 21 and intermediate support 22 by regulating bolt (not shown), thus fixing outer stator 31.
Secondly, support the mover 33 of platform 51 to be inserted between outer stator 31 and the inside stator 32 with being combined with piston 42 and spring, and it can be moved along straight line, and support at spring on each spring assembly department (not marking symbol) of platform 51, front side resonant spring 52 and rear side resonant spring 53 are installed respectively, make front side resonant spring 52 wherein contact the rear side that is fixed on intermediate support 22, make rear side resonant spring 53 be inserted on the inner side surface of posterior bracket 23 simultaneously, thereby posterior bracket 23 is fixed on the intermediate support 22 by regulating bolt (not shown) adjusting.
At this moment, on the internal surface of posterior bracket, place the spring pedestal 110 of ring-type, and on the fixing spring lug boss 112 of its spring pedestal 110, insert fixedly rear side resonant spring 53 respectively, pass through the adjustment hole 23a of posterior bracket 23 simultaneously respectively in conjunction with adjusted position bolt 120, make under the state at the back side of adjusted position bolt 120 contact spring pedestals 110, posterior bracket 23 is fixed on the intermediate support 22.
Then, as shown in Figure 6, the degree of tightening up of the adjusted position bolt 120 of increase and decrease on the adjustment hole 23a of posterior bracket 23, and mobile spring pedestal 110 forward or backward, thereby regulate the decrement of resonant spring 52,53, and by this adjusting, regulate with spring and support the insertion position of piston 42 among cylinder body that platform 51 combines, make this position regulation to suitable distance (L).
In addition, the distortion example of the piston original position controlling device of piston compressor of the present invention is as follows:
That is in the embodiment described above, be the adjusted position bolt 120 rear mobile spring pedestal 110 forward by posterior bracket 23,, and in this variation, as Fig. 8, and shown in Figure 9, can distinguish the decrement of regulating rear side resonant spring 53 independently by adjusted position bolt 220.
For this reason, the adjusting portion end at the adjusted position bolt 220 that combines with the adjustment hole 23a of each posterior bracket 23 is combined with the spring seat 210 that is inserted in the rear side resonant spring 53.For this spring seat 210 is combined on the adjusted position bolt, be formed with insertion in conjunction with lug boss 221 in the end of adjusted position bolt 220, insert engagement groove 211 and on the end face of corresponding spring seat 210, be formed with.
By such structure, in the initial position of decision piston, can be under the state of having assembled holder device, suitably regulate the position at initial stage, thereby can reduce the removal bracket device, again it such as be assembled at loaded down with trivial details work, also can improve its throughput simultaneously.
Claims (6)
1. the piston initial position controlling device of a piston compressor, on the piston compressor that comprises shell (10), holder device (20), reciprocal electrodynamic machine (30), compression set (40), resonant spring device (50), holder device (20) is arranged on the inside of shell (10), is to have assembled plural support at least; Back and forth electrodynamic machine has outer stator (31) and inside stator (32), and can carry out the mover (33) of straight reciprocating motion between outer stator (31) and inside stator (32); Outer stator (31) and inside stator (32) are fixedly installed on the holder device (20); Compression set (40) is fixedly installed on the holder device (20), cylinder body (41) inserts the internal surface of inside stator (32), and this compression set (40) combines with the mover (33) of reciprocal electrodynamic machine, piston (42) can carry out the to-and-fro motion of straight line in the inside of cylinder body (41), can suck, compressed fluid; Resonant spring device (50) is combined with spring support platform (51) on the piston (42) of the mover (33) of reciprocal electrodynamic machine and compression set, spring support platform (51) both sides and and support between the corresponding support in platform both sides, insert one or a plurality of resonant springs (52,53) respectively, carry out resonance motion thereby bring out compression set; Piston initial position controlling device comprises resonant spring device (50), it is characterized in that: also comprise being combined on the posterior bracket (23) of supporting resonant spring, regulate the degree of depth by increasing and decreasing it, regulate the decrement of resonant spring (52,53), thereby of regulating piston initial position or a plurality of piston positions are regulated parts (100).
2. the piston initial position controlling device of piston compressor according to claim 1 is characterized in that: at resonant spring with regulate between the parts, have with all adjusted positions corresponding with regulating parts, the spring pedestal (110) that constitutes by annular.
3. the piston initial position controlling device of piston compressor according to claim 2 is characterized in that: convex into the fixedly fixing spring lug boss (112) of resonant spring at spring pedestal (110) fovea superior.
4. the piston initial position controlling device of piston compressor according to claim 3 is characterized in that: use in conjunction with adjusted position in back side slot part (112a) insertion of fixing spring lug boss (112) and regulate parts.
5. the piston initial position controlling device of piston compressor according to claim 1, it is characterized in that: in the end of adjusted position with the adjusting parts, independently in conjunction with spring pedestal (210), thereby on spring pedestal (210), insert fixedly resonant spring respectively.
6. the piston initial position controlling device of piston compressor according to claim 5, it is characterized in that: adjusted position is used the end of regulating parts, end with corresponding spring pedestal (210) forms lug boss (221) and groove part (211) respectively, thereby mutually combines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031298222A CN100375842C (en) | 2003-05-20 | 2003-05-20 | Piston initial position regulator for piston type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031298222A CN100375842C (en) | 2003-05-20 | 2003-05-20 | Piston initial position regulator for piston type compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548730A CN1548730A (en) | 2004-11-24 |
| CN100375842C true CN100375842C (en) | 2008-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031298222A Expired - Fee Related CN100375842C (en) | 2003-05-20 | 2003-05-20 | Piston initial position regulator for piston type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375842C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272456A (en) * | 1992-03-27 | 1993-10-19 | Smc Corp | Rapid exhaust preventing device in vacuum device |
| JPH09324750A (en) * | 1996-06-06 | 1997-12-16 | Matsushita Refrig Co Ltd | Vibration type compressor |
| JPH11324909A (en) * | 1998-05-18 | 1999-11-26 | Sanden Corp | Variable displacement compressor |
| JP2000120551A (en) * | 1998-10-16 | 2000-04-25 | Fuji Koki Corp | Pressure regulating valve for variable displacement compressor |
| CN1326051A (en) * | 2000-05-29 | 2001-12-12 | Lg电子株式会社 | Linear compressor |
| EP1256718A2 (en) * | 2001-05-10 | 2002-11-13 | Kabushiki Kaisha Toyota Jidoshokki | Control valve for variable displacement compressor |
-
2003
- 2003-05-20 CN CNB031298222A patent/CN100375842C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272456A (en) * | 1992-03-27 | 1993-10-19 | Smc Corp | Rapid exhaust preventing device in vacuum device |
| JPH09324750A (en) * | 1996-06-06 | 1997-12-16 | Matsushita Refrig Co Ltd | Vibration type compressor |
| JPH11324909A (en) * | 1998-05-18 | 1999-11-26 | Sanden Corp | Variable displacement compressor |
| JP2000120551A (en) * | 1998-10-16 | 2000-04-25 | Fuji Koki Corp | Pressure regulating valve for variable displacement compressor |
| CN1326051A (en) * | 2000-05-29 | 2001-12-12 | Lg电子株式会社 | Linear compressor |
| EP1256718A2 (en) * | 2001-05-10 | 2002-11-13 | Kabushiki Kaisha Toyota Jidoshokki | Control valve for variable displacement compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1548730A (en) | 2004-11-24 |
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Granted publication date: 20080319 |