CN102748502A - Locking sheet, piston and solenoid directional valve - Google Patents
Locking sheet, piston and solenoid directional valve Download PDFInfo
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- CN102748502A CN102748502A CN2012102015835A CN201210201583A CN102748502A CN 102748502 A CN102748502 A CN 102748502A CN 2012102015835 A CN2012102015835 A CN 2012102015835A CN 201210201583 A CN201210201583 A CN 201210201583A CN 102748502 A CN102748502 A CN 102748502A
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- lock sheet
- piston
- main body
- lug
- lock
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Abstract
The invention provides a locking sheet, a piston and a solenoid directional valve. The locking sheet comprises a locking sheet main body and a protruding lug, wherein the locking sheet main body is of a half-ring structure, the protruding lug is arranged at the edge of the opening end of the locking sheet main body, a through hole used for screws to be installed in is arranged on the protruding lug, and a folded edge is arranged on the lateral side of the protruding lug. The locking sheet main body is of the half-ring structure, the protruding lug is arranged at the edge of the opening end of the locking sheet main body and the through hole used for screws to be installed in is arranged on the protruding lug, so that the locking sheet can be connected with other parts of the piston simply through the screws. Compared with the prior art, by adopting the locking sheet, the piston and the solenoid directional valve, deformation of the locking sheet caused by riveting operation can be avoided, and anti-loosing reliability of the locking sheet is improved.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical, relate in particular to a kind of lock sheet, piston and solenoid directional control valve.
Background technique
In air-conditioning system, use the flow direction of refrigeration agent in the solenoid directional control valve conversion air-conditioning system usually, to realize the conversion of refrigeration mode and heating mode.
Existing solenoid directional control valve comprises main valve, pilot valve and electromagnetic coil; Electromagnetic coil is installed on the pilot valve; Realize the switching-over of pilot valve through the break-make point of electromagnetic coil, realize the switching-over of main valve through the switching-over of pilot valve, and through the switching of main valve to pipeline; Realize the change of refrigerant flow direction, thereby make air-conditioning system realize that refrigeration in summer, winter heat.
Wherein, Main valve comprises valve body, end cap and is arranged on moving valve in the valve body; Moving valve comprises piston, connecting rod, spool, and piston is connected with the two ends of connecting rod through screw, and piston cooperates with the inner chamber of valve body and the inner chamber of valve body is separated into three separate chamber; Spool is a hemisphere, is arranged on the middle part of connecting rod and is located on the valve seat in the valve body.When solenoid directional control valve is worked, act on when high-pressure liquid on the piston at connecting rod two ends, driving is led connecting rod drive spool and in the valve pocket of main valve, is slided, and realizes the change of refrigerant flow direction.
Existing piston comprises piston body, lock sheet, outer compressing tablet and interior compressing tablet; Outer compressing tablet and interior compressing tablet are separately positioned on the inside and outside both sides of piston body; Lock sheet is arranged on the outside of outer compressing tablet; Through rivet lock sheet, outer compressing tablet, piston body and interior compressing tablet are riveted together, lock sheet, outer compressing tablet, piston body and interior compressing tablet are connected the end of connecting rod through screw.The main body of existing lock sheet is circular; The outside of lock sheet main body evenly is provided with four rectangle lugs, offers rivet hole on the lug of two position correspondences therein, on the corresponding lug in two other position, offers screw hole; The lug that is provided with screw hole is provided with flanging; Behind screw-driving, flanging is pressed on the external frame of screw, can prevent screw loosening.
Because in the existing piston structure, the miscellaneous part of lock sheet and piston is riveted together, when riveted joint, make lock sheet produce distortion easily, thereby cause the flanging on the lock sheet to produce distortion, reduce the locking reliability of lock sheet.
Summary of the invention
The present invention provides a kind of lock sheet, piston and solenoid directional control valve, and the lock sheet that is used for solving the existing technology piston is easy to generate distortion, technological deficiency that locking reliability is lower.
The present invention provides a kind of lock sheet, comprises lock sheet main body and lug, and said lock sheet main body is semi-circular structure;
The opening end edge of said lock sheet main body is provided with lug, offers the through hole that is used for mounting screw on the said lug, and the side of said lug is provided with flanging.
Aforesaid lock sheet, said lock sheet main body is the semicircular ring sheet structure.
Aforesaid lock sheet, the quantity of said lug are two and along the radial symmetric setting of said lock sheet body openings end.
Aforesaid lock sheet, said lug are arranged on the inner side edge of said lock sheet main body and extending radially inwardly along said lock sheet main body.
Aforesaid lock sheet, said lug are arranged on said lock sheet external side of main body limit and extending radially outwardly along said lock sheet main body.
Aforesaid lock sheet, the quantity of said flanging are one, and said flanging is arranged on said lug one side.
Aforesaid lock sheet, the quantity of said flanging are two, and said flanging is separately positioned on the dual-side of said lug.
Aforesaid lock sheet, said lock sheet main body are semiellipse ring plate structure.
The present invention also provides a kind of piston, comprises piston body and pressing plate, and this piston also comprises the above-mentioned lock sheet that content of the present invention provides, and said lock sheet is connected with piston body with said pressing plate through screw.
The present invention also provides a kind of solenoid directional control valve; Comprise main valve, pilot valve and electromagnetic coil; Said electromagnetic coil is installed on the said pilot valve; It is characterized in that, the above-mentioned lock sheet that the piston of said main valve content of the present invention provides, said lock sheet is connected with piston body with the pressing plate of said piston through screw.
Lock sheet provided by the invention, piston and solenoid directional control valve; Because the lock sheet main body is a loop configuration, and is provided with lug in the opening end edge of lock sheet main body, offers the through hole that is used for mounting screw on the lug; Only need this lock sheet to be connected with the miscellaneous part of piston through screw; Compared with prior art, can avoid riveting operation that lock sheet is produced distortion, improve the locking reliability of lock sheet.
Description of drawings
The structural representation of the lock sheet that Fig. 1 provides for first embodiment of the invention;
Fig. 2 is installed in the schematic representation on the piston for lock sheet shown in Figure 1;
The schematic representation of the lock sheet that Fig. 3 provides for second embodiment of the invention;
Fig. 4 is installed in the schematic representation on the piston for lock sheet shown in Figure 2.
Reference character:
The 1-lock sheet; 11-lock sheet main body; The 12-lug;
The 121-through hole; The 122-flanging; The 2-screw;
The 3-rivet; The 10-piston.
Embodiment
With reference to figure 1, the structural representation of the lock sheet that Fig. 1 provides for first embodiment of the invention.
As shown in Figure 1, the lock sheet 1 that present embodiment provides comprises lock sheet main body 11 and lug 12, and lock sheet main body 11 is semi-circular structure, and lock sheet main body 11 can be the semicircular ring sheet structure, also can be semiellipse ring plate structure.
The opening end edge of lock sheet main body 11 is provided with lug 12, offers the through hole 121 that is used for mounting screw on the lug 12, and the side of lug 12 is provided with flanging 122.Lug 12 is the rectangular sheet structure, and lock sheet main body 11 and lug 12 are can punching press one-body molded.
Particularly, the quantity of lug 12 can be for two and along the radial symmetric setting of lock sheet main body 11 opening ends.Lug 12 can be arranged on the inner side edge of lock sheet main body 11 and extending radially inwardly along lock sheet main body 11.
The quantity of flanging 122 can be one, and flanging 122 is arranged on lug 12 1 sides.Flanging 122 can and be close to through hole 121 perpendicular to lug 12.
With reference to figure 2, Fig. 2 is installed in the schematic representation on the piston for lock sheet shown in Figure 1.
As shown in Figure 2, in the present embodiment, be riveted together, and be installed on the piston 10 through the lock sheet 1 that screw 2 passes through hole 121 the foregoing description is provided through rivet 3 each parts with piston 10, lock sheet main body 11 is crossed on the outside of rivet 3.After lock sheet 1 is installed on the piston 10 through screw 2, to the bending of screw 2 directions, make flanging 122 be fastened on the end of screw 2 (screw head) flanging 122, block screw 2, realization is locking to screw 2.
The lock sheet that present embodiment provides; Because lock sheet main body 11 is a loop configuration, and is provided with lug 12 in the opening end edge of lock sheet main body 11, offers the through hole 121 that is used for mounting screw on the lug 12; Only need the miscellaneous part of this lock sheet with piston 10 to be connected through screw 2; Compared with prior art, can avoid riveting operation that lock sheet is produced distortion, improve the locking reliability of lock sheet.
With reference to figure 3, the schematic representation of the lock sheet that Fig. 3 provides for second embodiment of the invention.
The distinctive points of present embodiment and the foregoing description is that lug 12 is arranged on the outer side of lock sheet main body 11 and extending radially outwardly along lock sheet main body 11.The quantity of flanging 122 is two, and flanging 122 is separately positioned on the dual-side of lug 12, and flanging 122 is near the position of through hole 121 both sides.
With reference to figure 4, Fig. 4 is installed in the schematic representation on the piston for lock sheet shown in Figure 2.
As shown in Figure 4; In the present embodiment; Be riveted together through the pressing plate and the piston body 102 of rivet 3 with piston 10, and be installed on the piston 10 through the lock sheet 1 that screw 2 passes through hole 121 second embodiment is provided, lock sheet main body 11 is in the inside portion of rivet 3.After lock sheet 1 is installed on the piston 10 through screw 2, to the bending of screw 2 directions, make two flangings 122 be fastened on the end of screw 2 (screw head) two flangings 122, block screw 2, realization is locking to screw 2.
The lock sheet that present embodiment provides; Because lock sheet main body 11 is a loop configuration, and is provided with lug 12 in the opening end edge of lock sheet main body 11, offers the through hole 121 that is used for mounting screw on the lug 12; Only need this lock sheet 1 to be connected with the miscellaneous part of piston 10 through screw 2; Compared with prior art, can avoid riveting operation that lock sheet is produced distortion, improve the locking reliability of lock sheet.
In addition; The embodiment of the invention also provides a kind of piston 10; Comprise piston body 102 and pressing plate, pressing plate comprises top board 101 and press table 103, and this piston 10 also comprises the lock sheet 1 that the above embodiment of the present invention provides; Lock sheet 1 is connected with top board 101, piston body 102 and the press table 103 of piston 10 through screw 2, finally is connected on the connecting rod of main valve.
The piston that present embodiment provides; Because lock sheet main body 11 is a loop configuration, and is provided with lug 12 in the opening end edge of lock sheet main body 11, offers the through hole 121 that is used for mounting screw on the lug 12; Only need this lock sheet 1 to be connected with top board 101, piston body and the press table 103 of piston 10 through screw 2; Compared with prior art, can avoid riveting operation that lock sheet is produced distortion, improve the locking reliability of lock sheet.
The embodiment of the invention also provides a kind of solenoid directional control valve; Comprise main valve, pilot valve and electromagnetic coil; Electromagnetic coil is installed on the pilot valve, and the piston of main valve comprises the lock sheet that the above embodiment of the present invention provides, and lock sheet is connected with piston body with the pressing plate of piston through screw.
The solenoid directional control valve that present embodiment provides; Because the lock sheet main body is a loop configuration, and is provided with lug in the opening end edge of lock sheet main body, offers the through hole that is used for mounting screw on the lug; Only need this lock sheet to be connected with the miscellaneous part of piston through screw; Compared with prior art, can avoid riveting operation that lock sheet is produced distortion, improve the locking reliability of lock sheet.
What should explain at last is: above each embodiment is only in order to explaining technological scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technological scheme of relevant art scheme.
Claims (10)
1. a lock sheet comprises lock sheet main body and lug, it is characterized in that, said lock sheet main body is semi-circular structure;
The opening end edge of said lock sheet main body is provided with lug, offers the through hole that is used for mounting screw on the said lug, and the side of said lug is provided with flanging.
2. lock sheet according to claim 1 is characterized in that, said lock sheet main body is the semicircular ring sheet structure.
3. lock sheet according to claim 2 is characterized in that, the quantity of said lug is two and along the radial symmetric setting of said lock sheet body openings end.
4. according to claim 2 or 3 described lock sheeies, it is characterized in that said lug is arranged on the inner side edge of said lock sheet main body and extends radially inwardly along said lock sheet main body.
5. according to claim 2 or 3 described lock sheeies, it is characterized in that said lug is arranged on said lock sheet external side of main body limit and extending radially outwardly along said lock sheet main body.
6. according to claim 2 or 3 described lock sheeies, it is characterized in that the quantity of said flanging is one, said flanging is arranged on said lug one side.
7. according to claim 2 or 3 described lock sheeies, it is characterized in that the quantity of said flanging is two, said flanging is separately positioned on the dual-side of said lug.
8. lock sheet according to claim 1 is characterized in that, said lock sheet main body is a semiellipse ring plate structure.
9. a piston comprises piston body and pressing plate, it is characterized in that, this piston also comprises each described lock sheet of claim 1～8, and said lock sheet is connected with piston body with said pressing plate through screw.
10. solenoid directional control valve; Comprise main valve, pilot valve and electromagnetic coil; Said electromagnetic coil is installed on the said pilot valve; It is characterized in that the piston of said main valve comprises each described lock sheet of claim 1～8, said lock sheet is connected with piston body with the pressing plate of said piston through screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102015835A CN102748502A (en) | 2012-06-18 | 2012-06-18 | Locking sheet, piston and solenoid directional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102015835A CN102748502A (en) | 2012-06-18 | 2012-06-18 | Locking sheet, piston and solenoid directional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102748502A true CN102748502A (en) | 2012-10-24 |
Family
ID=47028907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102015835A Pending CN102748502A (en) | 2012-06-18 | 2012-06-18 | Locking sheet, piston and solenoid directional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102748502A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6042084A (en) * | 1999-02-16 | 2000-03-28 | Daimlerchrysler Corporation | Valve assembly having a valve spring retainer |
| CN2556445Y (en) * | 2002-07-10 | 2003-06-18 | 浙江三花集团有限公司 | Screw locking device for piston parts of four-way reversing valve |
| CN2630595Y (en) * | 2003-06-16 | 2004-08-04 | 林荣恒 | Driven four-way electromagnetic change valve for multi-purpose heat pump system |
| US6814098B1 (en) * | 2003-06-25 | 2004-11-09 | Hamilton Sundstrand | Zero clearance C-ring assembly |
| CN101865309A (en) * | 2010-06-30 | 2010-10-20 | 浙江三花制冷集团有限公司 | Main valve of four-way reversing valve and four-way reversing valve using same |
| CN101994851A (en) * | 2009-08-13 | 2011-03-30 | 浙江三花制冷集团有限公司 | Piston part and four-way reversing valve |
-
2012
- 2012-06-18 CN CN2012102015835A patent/CN102748502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6042084A (en) * | 1999-02-16 | 2000-03-28 | Daimlerchrysler Corporation | Valve assembly having a valve spring retainer |
| CN2556445Y (en) * | 2002-07-10 | 2003-06-18 | 浙江三花集团有限公司 | Screw locking device for piston parts of four-way reversing valve |
| CN2630595Y (en) * | 2003-06-16 | 2004-08-04 | 林荣恒 | Driven four-way electromagnetic change valve for multi-purpose heat pump system |
| US6814098B1 (en) * | 2003-06-25 | 2004-11-09 | Hamilton Sundstrand | Zero clearance C-ring assembly |
| CN101994851A (en) * | 2009-08-13 | 2011-03-30 | 浙江三花制冷集团有限公司 | Piston part and four-way reversing valve |
| CN101865309A (en) * | 2010-06-30 | 2010-10-20 | 浙江三花制冷集团有限公司 | Main valve of four-way reversing valve and four-way reversing valve using same |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20121024 |