CN209761679U - Clutch-free internal control variable displacement compressor - Google Patents
Clutch-free internal control variable displacement compressor Download PDFInfo
- Publication number
- CN209761679U CN209761679U CN201920233756.9U CN201920233756U CN209761679U CN 209761679 U CN209761679 U CN 209761679U CN 201920233756 U CN201920233756 U CN 201920233756U CN 209761679 U CN209761679 U CN 209761679U
- Authority
- CN
- China
- Prior art keywords
- valve
- variable displacement
- displacement compressor
- clutchless
- control variable
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Abstract
The utility model discloses a accuse variable displacement compressor in no separation and reunion, accuse variable displacement compressor in no separation and reunion includes: a high pressure chamber and an exhaust vent; the cavity hole is communicated between the high-pressure cavity and the exhaust hole; the flow electromagnetic valve comprises a valve body and a valve rod, wherein the valve body is movably arranged relative to the valve rod, the valve rod blocks or opens the cavity hole, and an overflow groove is formed on the surface of the valve rod; and the overflow channel is formed between the overflow groove and the surface of the cavity hole, and two ends of the overflow channel are communicated. The utility model discloses a flow solenoid valve is opened and is closed the accent in high pressure chamber. The flow electromagnetic valve has low cost and strong opening and closing reliability, and is beneficial to reducing the power consumption of the compressor.
Description
Technical Field
The utility model relates to a do not have separation and reunion internal control variable displacement compressor.
Background
When the conventional clutch-free internal control variable displacement compressor is controlled, the high-pressure cavity and the low-pressure cavity (exhaust hole) are communicated and closed through the electromagnetic coil, so that the compressor is in a working state and a standby state, and the power consumption of an engine is reduced.
However, if the electromagnetic coil is used to directly connect and close the passages of the high-pressure chamber and the low-pressure chamber, the cost of the electromagnetic coil is very high, and the reliability is poor, which is not favorable for reducing the power consumption.
SUMMERY OF THE UTILITY MODEL
the to-be-solved technical problem of the utility model is to switch and open high-pressure chamber part with high costs in order to overcome among the prior art nothing separation and reunion internal control variable displacement compressor, and the reliability is poor, is unfavorable for the defect that reduces the consumption, provides a no separation and reunion internal control variable displacement compressor.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
A clutchless internal control variable displacement compressor, comprising:
A high pressure chamber and an exhaust vent;
The cavity hole is communicated between the high-pressure cavity and the exhaust hole;
The flow electromagnetic valve comprises a valve body and a valve rod, wherein the valve body is movably arranged relative to the valve rod, the valve rod blocks or opens the cavity hole, and an overflow groove is formed on the surface of the valve rod;
And the overflow channel is formed between the overflow groove and the surface of the cavity hole, and two ends of the overflow channel are communicated.
In the scheme, the cavity hole is opened and closed through the flow electromagnetic valve. The flow electromagnetic valve has low cost and strong opening and closing reliability, and is beneficial to reducing power consumption.
Wherein, when the cavity hole is closed, the compressor is still in a standby state for certain compression. At this time, the gas in the high-pressure chamber can be leaked out through an overflow passage formed by the overflow groove. Thereby reducing the internal pressure of the cylinder block of the compressor, reducing the resistance of the operation of the components, and thus reducing power consumption.
Preferably, the overflow groove is spiral-shaped, and the overflow groove extends spirally on the surface of the valve rod. The spiral extension of the overflow launder can increase the leakage space, and the spiral groove is also beneficial to processing.
preferably, the valve rod comprises an absorption end and a blocking end, the absorption end and the blocking end are respectively located at two ends of the valve rod, and the overflow groove is formed in the surface of the blocking end.
Preferably, an electromagnetic coil is arranged in the valve body, and the electromagnetic coil is correspondingly arranged on the outer side of the suction end. The suction end can be sucked through the electromagnetic coil, so that the movement of the valve rod is controlled, and the closing and the opening of the cavity hole are controlled.
Preferably, the flow rate solenoid valve is provided with a limit cover, and an accommodating space is formed in the valve body, wherein,
the suction end and the electromagnetic coil are arranged in the accommodating space;
the limiting cover is arranged at the outlet of the accommodating space in a covering mode, and the suction end is limited in the accommodating space.
The limiting cover can prevent the valve rod and the electromagnetic coil from being separated, and can prevent dirt from entering the inside of the flow electromagnetic valve and influencing the work of the flow electromagnetic valve.
preferably, a return spring is arranged in the accommodating space, and the return spring is clamped between the suction end and the electromagnetic coil. The return spring can provide restoring force, so that the valve rod can be pushed back to the original position through the return spring after the electromagnetic coil is powered off.
preferably, the valve rod further comprises a rod part, two ends of the rod part are respectively connected with the suction end and the plugging end, and the rod part penetrates through the limiting cover. The rod part is connected with the limit cover in a sliding way and does not influence each other.
Preferably, the clutchless internal control variable displacement compressor comprises a cylinder body and a rear cover, and the exhaust hole and the flow electromagnetic valve are arranged on the rear cover.
Preferably, a boss extending outwards is formed on the side surface of the exhaust hole, and the flow electromagnetic valve is fixed in the boss. Can directly operate on covering behind through the boss in the outside, conveniently maintain or change the flow solenoid valve.
Preferably, the axial direction of the boss is perpendicular to the axial direction of the cavity hole, and the valve rod moves along the axial direction of the boss.
The utility model discloses an actively advance the effect and lie in: the utility model discloses a flow solenoid valve is opened and is closed the accent in high pressure chamber. The flow electromagnetic valve has low cost and strong opening and closing reliability, and is beneficial to reducing the power consumption of the compressor.
Drawings
Fig. 1 is a schematic diagram of a cavity structure according to a preferred embodiment of the present invention.
fig. 2 is a schematic structural view of a flow solenoid valve according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of an overflow trough according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of the rear cover according to the preferred embodiment of the present invention.
Fig. 5 is a schematic view of an internal structure of a clutchless internal control variable displacement compressor according to a preferred embodiment of the present invention.
fig. 6 is a schematic perspective view of a clutchless internal control variable displacement compressor according to a preferred embodiment of the present invention.
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, the present embodiment discloses a clutchless internal control variable displacement compressor, wherein the clutchless internal control variable displacement compressor comprises:
A high pressure chamber 3 and a vent 4. Wherein the high pressure chamber 3 is shown in fig. 1 and the vent 4 is shown in fig. 5 and 6.
The chamber hole 31, as shown in fig. 1, communicates between the high pressure chamber 3 and the exhaust hole 4 (not visible in fig. 1 due to the projection).
The flow rate electromagnetic valve 2, as shown in fig. 2 and 3, the flow rate electromagnetic valve 2 includes a valve body 22 and a valve rod 21, wherein the valve body 22 is movably disposed relative to the valve rod 21, the valve rod 21 blocks or opens the cavity hole 31, and an overflow groove 214 is formed on the surface of the valve rod 21;
And an overflow channel (not labeled) formed between the overflow groove 214 and the surface of the cavity hole 31, and both ends of the overflow channel are communicated.
In this embodiment, the chamber hole 31 is opened and closed by the flow rate solenoid valve 2. The flow electromagnetic valve 2 has low cost and strong opening and closing reliability, and is beneficial to reducing power consumption.
Wherein the compressor is still in standby for a certain compression when the bore 31 is closed. At this time, the gas in the high pressure chamber 3 may leak out through the overflow path formed by the overflow groove 214. Thereby remarkably reducing the internal pressure of the cylinder block 11 of the compressor, reducing the resistance of the operation of the components, and thus reducing power consumption.
As shown in fig. 3, the overflow groove 214 has a spiral shape, and the overflow groove 214 extends spirally on the surface of the valve stem 21. The helical extension of the isopipe 214 can increase the space for leakage and the helical groove can also facilitate machining. Of course, other ways of providing a groove extending across the surface of the valve stem 21 may be used in other embodiments, but a spiral groove is preferred.
As shown in fig. 2, the valve stem 21 includes an attraction end 213 and a blocking end 211, the attraction end 213 and the blocking end 211 are respectively located at two ends of the valve stem 21, wherein the overflow groove 214 is formed on a surface of the blocking end 211.
As shown in fig. 2, the solenoid coil 23 is provided in the valve body 22, and the solenoid coil 23 is correspondingly provided outside the suction end 213. The suction end 213 is sucked by the solenoid 23 to control the movement of the valve stem 21 and thus the closing and opening of the bore 31.
As shown in fig. 2, the flow rate solenoid valve 2 of the present embodiment is further provided with a limit cover 25, and an accommodating space 221 is formed in the valve body 22, wherein the suction end 213 and the electromagnetic coil 23 are arranged in the accommodating space 221; the limit cover 25 covers the outlet of the accommodating space 221, and the suction end 213 is limited in the accommodating space 221.
In actual operation, the limit cap 25 can prevent the valve rod 21 and the solenoid coil 23 from coming off, and can also prevent dirt from entering the interior of the flow solenoid valve 2 and affecting the operation of the flow solenoid valve 2.
As shown in fig. 2, the accommodating space 221 is provided with a return spring 24 therein, and the return spring 24 is interposed between the suction end 213 and the electromagnetic coil 23. The return spring 24 may provide a return force, whereby the valve stem 21 may be pushed back into place by the return spring 24 after the solenoid 23 is de-energized.
In this embodiment, the valve rod 21 further includes a rod portion 212, two ends of the rod portion 212 are respectively connected to the engaging end 213 and the blocking end 211, wherein the rod portion 212 penetrates through the limiting cover. The rod part 212 is connected with the limit cover in a sliding mode and does not affect each other.
As shown in fig. 4 and 5, the clutchless internal control variable displacement compressor includes a cylinder block 11 and a back cover 12, and the exhaust hole 4 and the flow rate solenoid valve 2 are disposed on the back cover 12.
As shown in fig. 4 and 6, a boss 121 extending outward is formed on a side surface of the exhaust hole 4, and the flow rate solenoid valve 2 is fixed in the boss 121. The boss 121 on the outer side can be directly operated on the rear cover 12, so that the flow electromagnetic valve 2 is convenient to maintain or replace.
In this embodiment, the axial direction of the boss 121 is perpendicular to the axial direction of the bore 31, and the valve stem 21 moves along the axial direction of the boss 121.
As shown in fig. 5, the cylinder 11 of the clutchless internal control variable displacement compressor is further provided with a pulley assembly 61, a rotating body assembly 62, a shoe 63, a piston 64, and a mechanical control valve 7.
Wherein the pulley assembly 61 drives the rotating body assembly 62, and the swash plate of the rotating body assembly 62 rotates and drives the piston 64 to reciprocate in the cylinder 11. The shoe 63 rotates within the ball socket of the piston 64. The mechanical control valve 7 is used to control the inclination angle of the swash plate of the rotary body assembly 62, thereby varying the stroke distance of the pistons 64 and thus controlling the displacement of the compressor.
the utility model discloses an actively advance the effect and lie in: the utility model discloses a flow solenoid valve is opened and is closed the accent in high pressure chamber. The flow electromagnetic valve has low cost and strong opening and closing reliability, and is beneficial to reducing the power consumption of the compressor.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A clutchless internal control variable displacement compressor, comprising:
a high pressure chamber and an exhaust vent;
The cavity hole is communicated between the high-pressure cavity and the exhaust hole;
The flow electromagnetic valve comprises a valve body and a valve rod, wherein the valve body is movably arranged relative to the valve rod, the valve rod blocks or opens the cavity hole, and an overflow groove is formed on the surface of the valve rod;
and the overflow channel is formed between the overflow groove and the surface of the cavity hole, and two ends of the overflow channel are communicated.
2. the clutchless, internally controlled, variable displacement compressor of claim 1, wherein the spill over groove is helical, the spill over groove extending helically over the surface of the valve stem.
3. The clutchless internal control variable displacement compressor of claim 1, wherein the valve stem comprises a suction end and a blocking end, the suction end and the blocking end are respectively located at two ends of the valve stem, wherein the overflow groove is formed on a surface of the blocking end.
4. The clutchless internal control variable displacement compressor of claim 3, wherein an electromagnetic coil is disposed within the valve body, the electromagnetic coil being disposed correspondingly outside the suction end.
5. The clutchless internal control variable displacement compressor of claim 4, wherein the flow solenoid valve is provided with a limit cover, and an accommodation space is formed in the valve body, wherein,
the suction end and the electromagnetic coil are arranged in the accommodating space;
the limiting cover is arranged at the outlet of the accommodating space in a covering mode, and the suction end is limited in the accommodating space.
6. The clutchless internal control variable displacement compressor of claim 5, wherein a return spring is disposed within the receiving space, the return spring being sandwiched between the suction end and the electromagnetic coil.
7. The clutchless internal-control variable displacement compressor of claim 5, wherein the valve rod further comprises a rod part, two ends of the rod part are respectively connected with the suction end and the plugging end, and the rod part is arranged through the limit cover.
8. The clutchless internal control variable displacement compressor of any one of claims 1-7, wherein the clutchless internal control variable displacement compressor comprises a cylinder and a back cover, and the exhaust port and the flow solenoid valve are disposed on the back cover.
9. The clutchless internal control variable displacement compressor of claim 8, wherein the exhaust port is formed with an outwardly extending boss on a side thereof, and the flow solenoid valve is secured within the boss.
10. The clutchless internal control variable displacement compressor of claim 9, wherein an axial direction of the boss is perpendicular to an axial direction of the bore, and the valve stem moves along the axial direction of the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233756.9U CN209761679U (en) | 2019-02-22 | 2019-02-22 | Clutch-free internal control variable displacement compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233756.9U CN209761679U (en) | 2019-02-22 | 2019-02-22 | Clutch-free internal control variable displacement compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761679U true CN209761679U (en) | 2019-12-10 |
Family
ID=68752579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920233756.9U Active CN209761679U (en) | 2019-02-22 | 2019-02-22 | Clutch-free internal control variable displacement compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681410A (en) * | 2019-02-22 | 2019-04-26 | 上海光裕汽车空调压缩机有限公司 | Without clutch internal control variable displacement compressor |
-
2019
- 2019-02-22 CN CN201920233756.9U patent/CN209761679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681410A (en) * | 2019-02-22 | 2019-04-26 | 上海光裕汽车空调压缩机有限公司 | Without clutch internal control variable displacement compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101322404B1 (en) | Electric control valve for variable displacement compressor | |
| KR100986943B1 (en) | Discharge valve for reciprocating compressor | |
| EP1918583B1 (en) | Suction throttle valve of a compressor | |
| EP1959137A2 (en) | Suction throttle valve for variable displacement type compressor | |
| KR100896267B1 (en) | Refrigerant suction structure in fixed displacement type piston compressor | |
| KR101194431B1 (en) | Variable capacity compressor | |
| CN209761679U (en) | Clutch-free internal control variable displacement compressor | |
| KR100887231B1 (en) | A variable displacement compressor having refrigerant flowing function in driving shaft | |
| KR102082010B1 (en) | Variable displacement swash plate type compressor | |
| KR101729076B1 (en) | Variable displacement swash plate type compressor | |
| US9512832B2 (en) | Swash plate type variable displacement compressor | |
| EP1033491A2 (en) | Fitting structure for controlling valve in variable capacity compressor | |
| KR101843756B1 (en) | Variable displacement swash plate type compressor | |
| KR100566030B1 (en) | Control valve for variable capacity type compressor | |
| CN109477470B (en) | Swash plate type compressor | |
| KR20130121329A (en) | Variable displacement swash plate type compressor | |
| KR101886727B1 (en) | Swash plate type compressor | |
| JP5812019B2 (en) | Piston type variable capacity compressor | |
| US20150184646A1 (en) | Suction throttle mechanism of compressor | |
| KR20070106860A (en) | Variable capacity type swash plate type compressor | |
| KR101763979B1 (en) | Variable displacement swash plate type compressor | |
| JP4591988B2 (en) | Swash plate compressor | |
| KR100933264B1 (en) | Displacement control valve of variable displacement compressor | |
| CN113167261B (en) | Swash plate type compressor | |
| KR101864881B1 (en) | Control valve of variable displacement compressor and its variable displacement compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |