CN210801712U - Spiral groove type self-adjusting pressure-reducing throttler - Google Patents
Spiral groove type self-adjusting pressure-reducing throttler Download PDFInfo
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- CN210801712U CN210801712U CN201921908061.2U CN201921908061U CN210801712U CN 210801712 U CN210801712 U CN 210801712U CN 201921908061 U CN201921908061 U CN 201921908061U CN 210801712 U CN210801712 U CN 210801712U
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Abstract
The utility model relates to a refrigeration decompression throttling arrangement technical field, in particular to spiral groove formula self-interacting decompression flow controller, set up a slider and a spring in the holding cavity, spring one end supports the slider, the other end supports the low pressure section casing, the slider can slide in the holding cavity, form the high pressure chamber between slider outer wall and the high pressure section shells inner wall, form the siphonozooid between slider outer wall and the sealing section shells inner wall, form the low pressure chamber between slider and the low pressure section shells inner wall, the high pressure refrigerant entry has been seted up to the one end of high pressure section casing, the low pressure refrigerant export has been seted up to the one end of low pressure section casing, high pressure refrigerant entry is linked together with the high pressure chamber, the low pressure refrigerant export is linked together with the low pressure chamber. Compared with the prior art, the utility model discloses a spiral groove formula self-interacting decompression flow controller simple structure, it is easy to make, and decompression throttle scope is big, and the low pressure end can not the hydrops, can not produce the liquid during start and hit the phenomenon.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a refrigeration decompression throttle equipment technical field, in particular to spiral groove formula self-interacting decompression flow controller.
[ background of the invention ]
The first generation of throttling component is a throttling and pressure reducing component which uses a capillary tube as a refrigerant; the second generation throttle adopts a mechanical thermal expansion valve or a floating ball type expansion valve; the third generation throttling component is an electronic expansion valve.
The capillary tube is used as a refrigeration decompression throttling component, the decompression throttling range is limited, the throttling process is complex, the refrigeration efficiency is low, the throttling failure can be caused under the complex working condition, and the capillary tube is only suitable for a small refrigeration system.
The thermostatic expansion valve as a refrigeration throttling part has the advantages of complex structure, complex manufacture, high failure rate, time and labor consumption for debugging, higher manufacturing cost and higher maintenance and use cost, and is suitable for small and medium-sized refrigeration systems.
The floating ball type expansion valve as a refrigeration throttling component has the advantages of large volume, slow response, high mechanical failure rate, easy leakage, complex debugging and liquid impact phenomenon of the compressor during starting, and is only suitable for a large refrigerating capacity system.
The electronic expansion valve is used as a refrigeration throttling part, is manufactured precisely, needs a precise electrical control system to control, and has high failure rate, high manufacturing cost and high maintenance cost.
The compression type refrigerating system urgently needs a pressure reducing restrictor which has the advantages of simple structure, bidirectional use, low failure rate, large pressure reducing amplitude, accurate flow regulation, high refrigerating efficiency, automatic regulation, simple manufacture and low cost to solve the problems.
[ Utility model ] content
In order to overcome the above problems, the utility model provides a can effectively solve the spiral groove formula self-interacting decompression flow controller of above-mentioned problem.
The utility model provides a technical scheme who above-mentioned technical problem provided is: the spiral groove type self-adjusting pressure-reducing throttler comprises a high-pressure section shell, a sealing section shell and a low-pressure section shell, wherein one end of the sealing section shell is in threaded connection with one end of the high-pressure section shell, the other end of the sealing section shell is in threaded connection with one end of the low-pressure section shell, a containing cavity is formed inside the high-pressure section shell, the sealing section shell and the low-pressure section shell together, a sliding block and a spring are arranged in the containing cavity, one end of the spring supports against the sliding block, the other end of the spring supports against the low-pressure section shell, the sliding block can slide in the containing cavity, a high-pressure cavity is formed between the outer wall of the sliding block and the inner wall of the high-pressure section shell, a tubular body is formed between the outer wall of the sliding block and the inner wall of the sealing section shell, a low, the high-pressure refrigerant inlet is communicated with the high-pressure cavity, the low-pressure refrigerant outlet is communicated with the low-pressure cavity, and the high-pressure cavity is communicated with the low-pressure cavity through the tubular body.
Preferably, the outer wall of the sliding block is provided with a continuous spiral groove, the inner wall of the sealing section shell is kept flat, and a tubular body is formed between the spiral groove and the inner wall of the sealing section shell.
Preferably, the inner wall of the sealing section shell is provided with a continuous spiral groove, and the outer wall of the sliding block keeps flat.
Preferably, the contact area of the sliding block and the sealing section shell is increased, and the number of the tubular bodies is increased.
Preferably, the inner wall of the sealing section shell is provided with a sealing convex line which protrudes inwards from the inner wall of the high-pressure section shell.
Preferably, high pressure section casing one end is provided with high pressure section screw thread, seal section casing one end is provided with seal section high pressure end screw thread, and seal section high pressure end screw thread is connected with high pressure section screw thread.
Preferably, low pressure section casing one end is provided with the low pressure section screw thread, seal section casing one end is provided with seal section low pressure end screw thread, and seal section low pressure end screw thread is connected with the low pressure section screw thread.
Preferably, a spring clamping seat is arranged at one end inside the low-pressure section shell, and one end of the spring is fixed on the spring clamping seat.
Preferably, the slider is hollow circular cylinder, and slider one end threaded connection has the slider end cover, the slider inner wall is provided with the slider screw thread, and the end cover outer wall is provided with the end cover screw thread, and the end cover screw thread is connected with the slider screw thread.
Preferably, the cross section of the spiral groove may be any one of a semicircle, a triangle, a trapezoid, a rectangle, and a square.
Compared with the prior art, the utility model discloses a spiral groove formula self-interacting decompression flow controller can be according to the change of evaporation and condensation load, adjusts the refrigerant flow that gets into the evaporimeter, need not extra control device, does not have the control cost, adaptable different operating modes, and decompression throttle scope is big, simple structure, and it is easy to make, and the low pressure end can not the hydrops, can not produce the liquid during start and hit the phenomenon.
[ description of the drawings ]
FIG. 1 is a structural diagram of the spiral groove type self-adjusting pressure-reducing flow controller of the present invention;
fig. 2 is a structural diagram of a modified embodiment of the spiral groove type self-adjusting pressure-reducing restrictor of the present invention;
fig. 3 is a structural diagram of the spiral groove type self-adjusting pressure reducing restrictor in a refrigeration system.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that all directional indications (such as up, down, left, right, front, and back … …) in the embodiments of the present invention are limited to relative positions on a given view, not absolute positions.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, the spiral groove type self-adjusting pressure-reducing flow controller 100 of the present invention includes a high-pressure section casing 1, a sealing section casing 4, and a low-pressure section casing 8, wherein one end of the sealing section casing 4 is connected to one end of the high-pressure section casing 1 through a screw thread, the other end of the sealing section casing is connected to one end of the low-pressure section casing 8 through a screw thread, and the high-pressure section casing 1, the sealing section casing 4, and the low-pressure section casing 8 together form a containing cavity. A sliding block 13 and a spring 12 are arranged in the accommodating cavity, one end of the spring 12 is abutted against the sliding block 13, the other end of the spring 12 is abutted against the low-pressure section shell 8, and the sliding block 13 can slide in the accommodating cavity. A high-pressure cavity 17 is formed between the outer wall of the sliding block 13 and the inner wall of the high-pressure section shell 1, a tubular body 16 is formed between the outer wall of the sliding block 13 and the inner wall of the sealing section shell 4, and a low-pressure cavity 18 is formed between the sliding block 13 and the inner wall of the low-pressure section shell 8. One end of the high-pressure section shell 1 is provided with a high-pressure refrigerant inlet 2, one end of the low-pressure section shell 8 is provided with a low-pressure refrigerant outlet 10, the high-pressure refrigerant inlet 2 is communicated with a high-pressure cavity 17, the low-pressure refrigerant outlet 10 is communicated with a low-pressure cavity 18, and the high-pressure cavity 17 is communicated with the low-pressure cavity 18 through a tubular body 16. When the refrigerant compressor works, refrigerant enters the high-pressure cavity 17 from the high-pressure refrigerant inlet 2, the sliding block 13 compresses the spring 12 under the action of pressure and gradually slides towards the low-pressure section shell 8, the number of the tubular bodies 16 is increased, the speed of the refrigerant entering the low-pressure cavity 18 through the tubular bodies 16 is increased until the pressure in the low-pressure cavity 18 and the pressure in the high-pressure cavity 17 reach balance, and the sliding block 13 keeps basically motionless and only slides in a small range to maintain balance.
The outer wall of the sliding block 13 is provided with a continuous spiral groove 14, the inner wall of the sealing section shell 4 keeps flat, and a tubular body 16 is formed between the spiral groove 14 and the inner wall of the sealing section shell 4. As the contact area of the slider 13 with the seal segment housing 4 increases, the number of tubular bodies 16 increases accordingly.
The inner wall of the sealing section shell 4 is provided with a sealing convex line 7, and the sealing convex line 7 protrudes inwards from the inner wall of the high-pressure section shell 1.
High-pressure section casing 1 one end is provided with high-pressure section screw thread 3, 4 one ends of seal section casing are provided with seal section high-pressure end screw thread 5, and seal section high-pressure end screw thread 5 is connected with high-pressure section screw thread 3.
And one end of the low-pressure section shell 8 is provided with a low-pressure section thread 9, one end of the sealing section shell 4 is provided with a sealing section low-pressure end thread 6, and the sealing section low-pressure end thread 6 is connected with the low-pressure section thread 9.
A spring clamping seat 11 is arranged at one end inside the low-pressure section shell 8, and one end of a spring 12 is fixed on the spring clamping seat 11.
The sliding block 13 is in a hollow cylindrical shape, and one end of the sliding block 13 is in threaded connection with a sliding block end cover 19. The inner wall of the sliding block 13 is provided with a sliding block thread 15, the outer wall of the end cover 19 is provided with an end cover thread 21, and the end cover thread 21 is connected with the sliding block thread 15. The end cover 19 is provided with an end cover support 20 at one end, and the end cover support 20 is close to the high-pressure refrigerant inlet 2.
The cross section of the spiral groove 14 may be any one of a semicircle, a triangle, a trapezoid, a rectangle, and a square.
Referring to fig. 2, in a modified embodiment of the spiral groove type self-adjusting pressure-reducing flow controller 100 of the present invention, the inner wall of the sealing section casing 4 is provided with a continuous spiral groove 141, and the outer wall of the sliding block 13 is kept flat. The two grooving modes can be conveniently implemented by selecting one according to actual processing conditions.
Referring to fig. 3, in the refrigeration system, the low-pressure refrigerant outlet 10 of the spiral groove type self-regulating pressure reducing restrictor 100 of the present invention is connected to the evaporator 200, the high-pressure refrigerant inlet 2 is connected to the condenser 400, and the evaporator 200 and the condenser 400 are respectively connected to the compressor 300. Starting and operating the refrigerating system: when the refrigeration system is started, the refrigerant in the evaporator 200 and the low pressure chamber 18 is sucked by the compressor 300 and compressed into the condenser 400 and the high pressure chamber 17, the refrigerant at the end of the low pressure chamber 18 gradually decreases in pressure and the refrigerant at the end of the high pressure chamber 17 gradually increases in pressure, and at the same time, a part of the liquid refrigerant flows through the tubular body 16 (capillary tube substitute); the refrigerant at the suction end of the compressor 300 is sucked out much and flows into little, so that the refrigerant is fully vaporized before entering the compressor 300, and therefore, in the refrigeration system provided with the spiral groove type self-regulating pressure reducing restrictor 100, the wet compression and liquid impact phenomena cannot occur during the system starting.
Compared with the prior art, the utility model discloses a spiral groove formula self-interacting decompression flow controller can be according to the change of evaporation and condensation load, adjusts the refrigerant flow that gets into evaporimeter 200, need not extra control device, does not have the control cost, adaptable different operating modes, and decompression throttle scope is big, simple structure, and it is easy to make, and the low pressure end can not the hydrops, can not produce the liquid during start and hit the phenomenon.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made within the spirit of the present invention, equivalent replacements and improvements should be included in the scope of the present invention.
Claims (10)
1. The spiral groove type self-adjusting pressure-reducing throttleer is characterized by comprising a high-pressure section shell, a sealing section shell and a low-pressure section shell, wherein one end of the sealing section shell is in threaded connection with one end of the high-pressure section shell, the other end of the sealing section shell is in threaded connection with one end of the low-pressure section shell, and an accommodating cavity is formed inside the high-pressure section shell, the sealing section shell and the low-pressure section shell together;
a sliding block and a spring are arranged in the accommodating cavity, one end of the spring props against the sliding block, the other end of the spring props against the low-pressure section shell, and the sliding block can slide in the accommodating cavity;
a high-pressure cavity is formed between the outer wall of the sliding block and the inner wall of the high-pressure section shell, a tubular body is formed between the outer wall of the sliding block and the inner wall of the sealing section shell, and a low-pressure cavity is formed between the sliding block and the inner wall of the low-pressure section shell;
one end of the high-pressure section shell is provided with a high-pressure refrigerant inlet, one end of the low-pressure section shell is provided with a low-pressure refrigerant outlet, the high-pressure refrigerant inlet is communicated with the high-pressure cavity, the low-pressure refrigerant outlet is communicated with the low-pressure cavity, and the high-pressure cavity is communicated with the low-pressure cavity through a tubular body.
2. The spiral groove type self-adjusting pressure reducing restrictor of claim 1, wherein the outer wall of the sliding block is provided with a continuous spiral groove, the inner wall of the sealing section shell is kept flat, and a tubular body is formed between the spiral groove and the inner wall of the sealing section shell.
3. The spiral groove type self-adjusting pressure reducing restrictor of claim 1, wherein the inner wall of the sealing section shell is provided with a continuous spiral groove, and the outer wall of the sliding block is kept flat.
4. The spiral groove type self-adjusting pressure reducing flow restrictor of claim 2 or 3, wherein the contact area of the sliding block and the sealing section shell is increased, and the number of the tubular bodies is increased.
5. The spiral groove type self-regulating pressure reducing flow restrictor of claim 1, wherein the inner wall of the sealing section shell is provided with a sealing convex line which protrudes inwards from the inner wall of the high-pressure section shell.
6. The spiral groove self-regulating pressure reducing choke of claim 1, wherein the high pressure section housing is provided with a high pressure section thread at one end, and the seal section housing is provided with a seal section high pressure end thread at one end, the seal section high pressure end thread being in threaded connection with the high pressure section thread.
7. The spiral fluted self-regulating pressure reducing choke of claim 1, wherein the low pressure section housing has a low pressure section thread at one end and a seal section low pressure end thread at one end, the seal section low pressure end thread being in threaded engagement with the low pressure section thread.
8. The spiral groove type self-adjusting pressure reducing flow controller as claimed in claim 1, wherein a spring clamping seat is arranged at one end inside the low-pressure section shell, and one end of the spring is fixed on the spring clamping seat.
9. The spiral groove type self-adjusting pressure reducing flow controller of claim 1, wherein the sliding block is in a hollow cylindrical shape, one end of the sliding block is in threaded connection with a sliding block end cover, the inner wall of the sliding block is provided with sliding block threads, the outer wall of the end cover is provided with end cover threads, and the end cover threads are connected with the sliding block threads.
10. The spiral groove type self-adjusting pressure reducing flow restrictor of claim 2 or 3, wherein the cross section of the spiral groove can be any one of semicircular, triangular, trapezoidal, rectangular and square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908061.2U CN210801712U (en) | 2019-11-06 | 2019-11-06 | Spiral groove type self-adjusting pressure-reducing throttler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908061.2U CN210801712U (en) | 2019-11-06 | 2019-11-06 | Spiral groove type self-adjusting pressure-reducing throttler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210801712U true CN210801712U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908061.2U Active CN210801712U (en) | 2019-11-06 | 2019-11-06 | Spiral groove type self-adjusting pressure-reducing throttler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210801712U (en) |
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2019
- 2019-11-06 CN CN201921908061.2U patent/CN210801712U/en active Active
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