CN217817570U - Expansion valve easy to adjust - Google Patents
Expansion valve easy to adjust Download PDFInfo
- Publication number
- CN217817570U CN217817570U CN202221281727.8U CN202221281727U CN217817570U CN 217817570 U CN217817570 U CN 217817570U CN 202221281727 U CN202221281727 U CN 202221281727U CN 217817570 U CN217817570 U CN 217817570U
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- CN
- China
- Prior art keywords
- expansion valve
- evaporimeter
- subassembly
- shell
- baffle
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model is suitable for an expansion valve technical field provides an expansion valve of easily adjusting, the inside case that is used for controlling liquid flow that is provided with of expansion valve casing has seted up expansion valve import and expansion valve export on the expansion valve casing, installs the evaporimeter in the expansion valve export, is provided with the thermal bulb on the evaporimeter, and the thermal bulb drives through promoting the subassembly the case promotes downwards, and the inside resilience subassembly that is provided with of expansion valve casing, resilience subassembly are used for the case is kick-backed and is risen, the thermal bulb that sets up on the evaporimeter, when the evaporimeter temperature risees, the thermal bulb promotes the case downwards through promoting the subassembly, just can open the opening of seting up in the middle of the baffle greatly, just can increase the inside flow of evaporimeter, and when the evaporimeter temperature reduced, the thermal bulb reduces the pressure to promoting the subassembly, drives the case through the resilience subassembly and rises, closes the opening of seting up in the middle of baffle for a short time, just so can adjust through the temperature of evaporimeter itself.
Description
Technical Field
The utility model belongs to the technical field of the expansion valve, especially, relate to an expansion valve of easily adjusting.
Background
An expansion valve is an important component in a refrigeration system and is typically mounted between the reservoir and the evaporator. The expansion valve makes the medium-temperature high-pressure liquid refrigerant become low-temperature low-pressure wet steam through its throttle, then the refrigerant absorbs the heat in the evaporimeter and reaches the refrigeration effect, and the expansion valve controls valve flow through the change of the superheat degree of evaporimeter terminal.
When the size of an inlet and an outlet is adjusted by the existing expansion valve, an adjusting device is complex, and the size of the inlet and the size of the outlet are inconvenient to adjust.
SUMMERY OF THE UTILITY MODEL
The utility model provides an expansion valve of easily adjusting aims at solving the comparatively complicated problem of expansion valve regulation.
The utility model discloses a realize like this, an expansion valve of easily adjusting, including the expansion valve casing, the inside case that is used for controlling liquid flow that is provided with of expansion valve casing, expansion valve import and expansion valve export have been seted up on the expansion valve casing, install the evaporimeter in the expansion valve export, be provided with the temperature sensing package on the evaporimeter, the temperature sensing package drives through the promotion subassembly the case promotes downwards, the inside resilience subassembly that is provided with of expansion valve casing, the resilience subassembly is used for the case is kick-backed and is risen.
Preferably, one side of the expansion valve shell is provided with the expansion valve inlet, the other side of the expansion valve shell is provided with the expansion valve outlet, and the expansion valve outlet is detachably connected with the evaporator.
Preferably, the evaporator is detachably connected with the thermal bulb, the pushing assembly comprises a capillary tube, and one end of the capillary tube is installed above the expansion valve shell.
Preferably, a diaphragm is installed inside the expansion valve housing, the valve core is fixedly installed below the diaphragm, a partition plate is arranged inside the expansion valve housing, and the valve core rod part penetrates through the partition plate.
Preferably, a baffle is arranged inside the expansion valve shell, a hole for liquid circulation is formed in the middle of the baffle, and the valve core and the valve body are inserted into the hole formed in the baffle.
Preferably, a supporting block is arranged below the inner portion of the expansion valve shell, the rebounding assembly comprises a telescopic loop bar, one end of the telescopic loop bar is fixedly connected with the supporting block, the other end of the telescopic loop bar is fixedly connected to the lower end of the valve core, and a spring is sleeved on the telescopic loop bar.
Preferably, a protection shell is arranged on the outer side of the expansion valve shell, a sponge layer is arranged inside the protection shell, a placing groove is formed inside the protection shell, and the temperature sensing bulb is inserted inside the placing groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an expansion valve of easily adjusting, the thermal bulb that sets up on the evaporimeter, when the evaporimeter temperature risees, the thermal bulb promotes the case downwards through promoting the subassembly, just can open the opening of seting up in the middle of the baffle big, just can increase the inside flow of evaporimeter, when the evaporimeter temperature reduces, the thermal bulb reduces the pressure to promoting the subassembly, it rises to drive the case through the subassembly of kick-backing, close little with the opening of seting up in the middle of the baffle, just so can adjust through the temperature of evaporimeter itself.
Meanwhile, the expansion valve shell is provided with a protective shell, the thermal bulb can be inserted into the protective shell for protection when not used, and the thermal bulb is prevented from being thrown to be thrown to generate collision when the expansion valve shell is transported, so that the thermal bulb is prevented from being damaged.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic top view of the protection housing of the present invention;
in the figure: 1. an expansion valve housing; 2. an expansion valve inlet; 3. an outlet of the expansion valve; 4. a baffle plate; 5. a valve core; 6. a partition plate; 7. a membrane; 8. a supporting block; 9. a telescopic loop bar; 10. a spring; 11. an evaporator; 12. a temperature sensing bulb; 13. a capillary tube; 14. a protective housing; 15. a sponge layer; 16. and (6) placing the groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an expansion valve of easily adjusting, including expansion valve casing 1, 1 inside case 5 that is used for controlling liquid flow that is provided with of expansion valve casing, expansion valve import 2 and expansion valve export 3 have been seted up on the expansion valve casing 1, install evaporimeter 11 on the expansion valve export 3, be provided with temperature sensing package 12 on the evaporimeter 11, temperature sensing package 12 drives case 5 through promoting the subassembly and promotes downwards, 1 inside resilience subassembly that is provided with of expansion valve casing, the subassembly that kick-backs is used for case 5 to kick-back and rises
Condensing agent enters an expansion valve shell 1 through an expansion valve inlet 2, the condensing agent is conveyed to an expansion valve outlet 3 through a hole formed in the middle of a baffle 4, a valve core 5 is blocked at the hole of the baffle 4, the condensing agent can only flow in a small amount, the condensing agent is conveyed to the inside of an evaporator 11 through the expansion valve outlet 3, a temperature sensing bulb 12 is arranged on the evaporator 11, the temperature of the evaporator 11 is transmitted to the temperature sensing bulb 12, when the temperature of the evaporator 11 is too high, the temperature sensing bulb 12 provides pressure for a pushing assembly, the valve core 5 is pushed to move downwards through the pushing assembly, the hole of the baffle 4 is opened by the valve core 5, the amount of the condensing agent flowing through the hole can be increased, when the temperature of the evaporator 11 is too low, the pressure of the pushing assembly is reduced by the temperature sensing bulb 12, upward pushing force is provided for the valve core 5 by a rebounding assembly at the lower end of the valve core 5, the valve core 5 closes the hole formed in the middle of the baffle 4, and the flow of the condensing agent passing through the hole of the baffle 4 can be reduced.
The condensing agent enters the expansion valve shell 1 through the expansion valve inlet 2, the condensing agent is conveyed to the expansion valve outlet 3 through a hole formed in the middle of the baffle 4, the valve core 5 is blocked at the hole of the baffle 4, the condensing agent can only circulate in a small flow rate, the condensing agent is conveyed to the interior of the evaporator 11 through the expansion valve outlet 3, the evaporator 11 is provided with the temperature sensing bulb 12, the temperature of the evaporator 11 is transmitted to the temperature sensing bulb 12, when the temperature of the evaporator 11 is too high, the temperature sensing bulb 12 provides pressure for the diaphragm 7 through the capillary tube 13, the diaphragm 7 pushes the valve core 5 to move downwards, the valve core 5 opens the hole in the middle of the baffle 4, and therefore the flow rate of the condensing agent passing through the baffle 4 can be increased.
The inside below of expansion valve casing 1 is provided with supporting shoe 8, the subassembly of kick-backing includes flexible loop bar 9, and 9 one ends of flexible loop bar are in the same place with supporting shoe 8 fixed connection, and 9 other end fixed connection of flexible loop bar are at 5 lower extremes of case, and have cup jointed spring 10 on the flexible loop bar 9, and the 1 outside of expansion valve casing is provided with protection casing 14, and the inside sponge layer 15 that is provided with of protection casing 14, and the standing groove 16 has been seted up to protection casing 14 inside, and the temperature sensing package 12 is pegged graft inside standing groove 16.
When the temperature of the evaporator 11 is low, the temperature sensing bulb 12 reduces the pressure applied to the diaphragm 7 through the capillary tube 13, the valve core 5 rises under the resilience force of the spring 10, the valve core 5 closes the hole in the middle of the baffle 4, so that the flow of the condensing agent passing through the hole in the middle of the baffle 4 is reduced, the telescopic loop bar 9 is used for limiting the valve core 5 and the spring 10 to move up and down linearly only, the limiting effect is achieved, meanwhile, the telescopic loop bar 9 limits the maximum descending distance of the valve core 5, and the phenomenon that the valve core 5 is too much lowered to cause the damage of the spring 10 due to too much compression is prevented.
Inside 16 slots are inserted into when thermal bulb 12 does not use, through the effect that 14 parcels of protection casing play the protection in inside, 14 inside sponge layers 15 that are provided with of protection casing simultaneously, sponge layers 15 play the effect of protection, can reduce the impact force that receives, prevent like this that thermal bulb 12 from receiving to collide with and causing the damage, the life-span of thermal bulb 12 of improvement.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, the condensing agent passes through expansion valve import 2 and gets into inside expansion valve casing 1, hole through seting up in the middle of baffle 4 carries expansion valve export 3 department, and 4 hole departments of baffle have case 5 to block up, the condensing agent can only the miniflow circulate, the condensing agent passes through expansion valve export 3 and carries inside evaporimeter 11, and be provided with temperature sensing package 12 on the evaporimeter 11, temperature sensing package 12 is given to temperature sensing package through evaporimeter 11, when evaporimeter 11 high temperature, temperature sensing package 12 provides pressure for promoting the subassembly, promote case 5 downstream through promoting the subassembly, case 5 is opened the hole of baffle 4, can increase the volume through the hole circulation condensing agent like this, when evaporimeter 11 low temperature is low, temperature sensing package 12 reduces the pressure to promoting the subassembly, and the resilience subassembly of case 5 lower extreme provides ascending thrust for case 5, upwards promote case 5, the hole of seting up in the middle of baffle 4 is closed for a short time, will reduce the flow through 4 hole condensing agents of baffle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (7)
1. An expansion valve that is easy to adjust, characterized in that: including expansion valve casing (1), inside case (5) that are used for controlling liquid flow of being provided with of expansion valve casing (1), expansion valve import (2) and expansion valve export (3) have been seted up on expansion valve casing (1), install evaporimeter (11) on expansion valve export (3), be provided with temperature sensing package (12) on evaporimeter (11), temperature sensing package (12) drive through promoting the subassembly case (5) promote downwards, inside the being provided with resilience subassembly of expansion valve casing (1), the resilience subassembly is used for case (5) are kick-backed and are risen.
2. An easily adjustable expansion valve according to claim 1, wherein: the expansion valve is characterized in that one side of the expansion valve shell (1) is provided with the expansion valve inlet (2), the other side of the expansion valve shell (1) is provided with the expansion valve outlet (3), and the expansion valve outlet (3) is detachably connected with the evaporator (11).
3. An easily adjustable expansion valve according to claim 1, wherein: evaporator (11) is last to dismantle and be connected with thermal bulb (12), the promotion subassembly includes capillary (13), capillary (13) one end is installed expansion valve casing (1) top.
4. An easily adjustable expansion valve according to claim 1, wherein: the expansion valve is characterized in that a diaphragm (7) is installed inside the expansion valve shell (1), the valve core (5) is fixedly installed below the diaphragm (7), a partition plate (6) is arranged inside the expansion valve shell (1), and the rod part of the valve core (5) penetrates through the partition plate (6).
5. An easily adjustable expansion valve according to claim 1, wherein: the expansion valve is characterized in that a baffle (4) is arranged in the expansion valve shell (1), a hole for liquid circulation is formed in the middle of the baffle (4), and the valve body part of the valve core (5) is inserted in the hole formed in the baffle (4).
6. An easily adjustable expansion valve according to claim 1, wherein: the expansion valve is characterized in that a supporting block (8) is arranged below the inner portion of the expansion valve shell (1), the rebounding component comprises a telescopic loop bar (9), one end of the telescopic loop bar (9) is fixedly connected with the supporting block (8), the other end of the telescopic loop bar (9) is fixedly connected with the lower end of the valve core (5), and a spring (10) is sleeved on the telescopic loop bar (9).
7. An easily adjustable expansion valve according to claim 1, wherein: the expansion valve is characterized in that a protective shell (14) is arranged on the outer side of the expansion valve shell (1), a sponge layer (15) is arranged inside the protective shell (14), a placing groove (16) is formed inside the protective shell (14), and the temperature sensing bulb (12) is inserted into the placing groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281727.8U CN217817570U (en) | 2022-05-26 | 2022-05-26 | Expansion valve easy to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281727.8U CN217817570U (en) | 2022-05-26 | 2022-05-26 | Expansion valve easy to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217817570U true CN217817570U (en) | 2022-11-15 |
Family
ID=83986820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221281727.8U Active CN217817570U (en) | 2022-05-26 | 2022-05-26 | Expansion valve easy to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217817570U (en) |
-
2022
- 2022-05-26 CN CN202221281727.8U patent/CN217817570U/en active Active
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