CN218913868U - Air pressure balance valve of refrigerator - Google Patents
Air pressure balance valve of refrigerator Download PDFInfo
- Publication number
- CN218913868U CN218913868U CN202222789138.7U CN202222789138U CN218913868U CN 218913868 U CN218913868 U CN 218913868U CN 202222789138 U CN202222789138 U CN 202222789138U CN 218913868 U CN218913868 U CN 218913868U
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- balance valve
- air pressure
- valve body
- refrigerator
- blocking cover
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Safety Valves (AREA)
Abstract
The utility model provides an air pressure balance valve of a refrigerator, which comprises a balance valve body, wherein a connecting pipe is connected to the right upper part of the balance valve body through threads; the lower part of the inner part of the balance valve body is connected with a valve seat through threads; an air hole is formed in the upper part of the inner part of the valve seat; a movable column is inserted in the air holes; one end of the movable column is connected with a limiting ring in a threaded manner, and the other end of the movable column is welded with a blocking cover; the upper end of the blocking cover is supported with an adjusting support structure. According to the utility model, through the arrangement of the adjusting support structure, when the air pressure in the refrigerator is small to a specified degree, the external pressure can push the blocking cover and the compression spring to balance the pressure, and then when the balance valve body is installed in different modes, the blocking cover seals the ventilation holes in a flat state.
Description
Technical Field
The utility model belongs to the technical field of balance valves, and particularly relates to an air pressure balance valve of a refrigerator.
Background
The refrigerator air pressure balance valve is a valve with special functions, and is mainly used for balancing air pressure inside and outside a refrigerator, and the application number is as follows: the refrigerator air pressure balance valve of CN201320737556.X comprises a valve body, a valve seat, a valve plate and a connecting pipe, one end of the valve body is in air communication with the valve seat, the other end of the valve body is in air communication with the connecting pipe, the valve seat is in air communication with the outside of the refrigerator, the connecting pipe is in air communication with the inside of the refrigerator, the valve seat is provided with a vent hole and is in air communication with the valve body through the vent hole, the existing refrigerator air pressure balance valve is easy to drive, and therefore the refrigerating effect is influenced by the rapid loss of the internal cool air.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the air pressure balance valve for the refrigerator, which has the function of adjusting the ventilation position of the balance valve and avoids the influence on the refrigeration effect caused by being driven easily.
The technical scheme is as follows: an air pressure balance valve of a refrigerator comprises a balance valve body, wherein a connecting pipe is connected to the right upper part of the balance valve body through threads; the lower part of the inner part of the balance valve body is connected with a valve seat through threads; an air hole is formed in the upper part of the inner part of the valve seat; a movable column is inserted in the air holes; one end of the movable column is connected with a limiting ring in a threaded manner, and the other end of the movable column is welded with a blocking cover; the upper end of the blocking cover is supported with an adjusting support structure, which is characterized in that the adjusting support structure comprises a movable rod, the upper part of the outer wall of the movable rod is sleeved with a supporting sleeve, and the lower end of the movable rod is provided with a limiting clamping seat structure; the lower end of the limit clamping seat structure is provided with a lower pressing plate; the lower end of the lower pressing plate is welded with a compression spring.
Preferably, the supporting sleeve is welded above the inside of the balance valve body, and a bolt is connected with the inside of the supporting sleeve in a threaded manner.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, the movable rod is arranged, so that the arrangement of the compression spring is convenient to adjust by manual operation.
In the utility model, the support sleeve is arranged to fix and assist in supporting the installed movable rod.
According to the utility model, the lower pressure plate, the compression spring and the blocking cover are arranged, so that when the air pressure in the refrigerator is small to a specified degree, the external pressure can push the blocking cover and the compression spring to balance the pressure, and further when the balance valve body is installed in different modes, the blocking cover seals the ventilation holes in a flat state.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the adjusting bracket structure of the present utility model.
Fig. 3 is a schematic structural view of a limiting holder according to the present utility model.
In the figure:
1. a balance valve body; 2. a connecting pipe; 3. a valve seat; 4. ventilation holes; 5. a movable column; 6. a confinement ring; 7. a barrier cover; 8. adjusting the support structure; 81. a movable rod; 82. a support sleeve; 83. a limit clamping seat structure; 831. a stabilizing seat; 832. a stabilizing column; 833. an upper limit head; 834. a lower limiting head; 84. a lower pressing plate; 85. compressing the spring.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
examples:
as shown in figure 1, the air pressure balance valve of the refrigerator comprises a balance valve body 1, wherein a connecting pipe 2 is connected to the right upper part of the balance valve body 1 through threads; the lower part of the inside of the balance valve body 1 is connected with a valve seat 3 through threads; an air vent 4 is formed in the upper part of the inner part of the valve seat 3; a movable column 5 is inserted in the air holes 4; one end of the movable column 5 is connected with a limiting ring 6 in a threaded manner, and the other end of the movable column is welded with a blocking cover 7; the upper end of the blocking cover 7 is supported with an adjusting support structure 8.
As shown in fig. 2, in the above embodiment, specifically, the adjusting support structure 8 includes a movable rod 81, a supporting sleeve 82 is sleeved on the upper portion of the outer wall of the movable rod 81, and a limiting clamping seat structure 83 is installed at the lower end of the movable rod 81; tightening the bolt inside the support sleeve 82 to fix the movable rod 81; the lower end of the limit clamping seat structure 83 is provided with a lower pressing plate 84; compression springs 85 are welded to the lower end of the lower pressure plate 84.
As shown in fig. 3, in the above embodiment, specifically, the limiting clip seat structure 83 includes a stabilizing seat 831, and a stabilizing column 832 is inserted into the stabilizing seat 831; upper limiting heads 833 are welded on the front side and the rear side above the inner part of the stabilizing column 832; lower limiting heads 834 are welded on the front side and the rear side below the inner part of the stabilizing column 832; the lifting movable rod 81 drives the stabilizing column 832 and the lower pressure plate 84 to move, and the movable lower pressure plate 84 cooperates with the blocking cover 7 to adjust the length of the compression spring 85 so as to adjust the elasticity.
In the above embodiment, specifically, the movable rod 81 is adapted to the support sleeve 82, and a rubber pad is glued inside the support sleeve 82, and the joint between the movable rod 81 and the balance valve body 1 is sealed.
In the above embodiment, specifically, the compression spring 85 at the lower end of the lower pressing plate 84 is connected with the blocking cover 7 by bolts, so that the blocking cover 7 can be prevented from moving easily and the ventilation holes 4 are exposed, and the problem of poor refrigerating effect caused by frequent loss of cold air is avoided.
In the above embodiment, specifically, the stabilizing seat 831 is mounted on the middle portion of the middle lower portion of the inside of the balance valve body 1 by a bolt, and cooperates with the compression spring 85 at the lower end of the stabilizing column 832 to perform stable movement.
In the above embodiment, specifically, the upper limit head 833 and the lower limit head 834 inside the stabilizing column 832 are steel ball heads, so as to avoid the influence of easy separation of the stabilizing column 832 from the stabilizing seat 831.
Principle of operation
The working principle of the utility model is as follows: when balancing freezer air pressure, thereby lift movable rod 81 drives stable post 832 and holding down plate 84 and moves, the holding down plate 84 of activity can cooperate to block the length that cover 7 adjusted compression spring 85 and then realize the regulation of elasticity, screw up the inside bolt of support cover 82 after adjusting and fix movable rod 81, when the inside air pressure of freezer is little to a certain extent after fixing, external air pressure can make the upward activity of cover 7 and movable post 5 through bleeder vent 4, compression spring 85 also is blocked the cover 7 compression with it simultaneously, can enter into the work that realizes balanced pressure in the freezer through bleeder vent 4, balanced valve body 1 and connecting pipe 2 like this.
By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.
Claims (6)
1. The air pressure balance valve for the refrigerator comprises a balance valve body (1), wherein a connecting pipe (2) is connected to the right upper part of the balance valve body (1) in a threaded manner; a valve seat (3) is connected with the lower part of the inside of the balance valve body (1) through threads; an air hole (4) is formed in the upper part of the inner part of the valve seat (3); a movable column (5) is inserted in the air hole (4); one end of the movable column (5) is connected with a limiting ring (6) in a threaded manner, and the other end of the movable column is welded with a blocking cover (7); the upper end of the blocking cover (7) is supported with an adjusting support structure (8), and is characterized in that the adjusting support structure (8) comprises a movable rod (81), a supporting sleeve (82) is sleeved on the upper part of the outer wall of the movable rod (81), and a limiting clamping seat structure (83) is arranged at the lower end of the movable rod (81); the lower end of the limit clamping seat structure (83) is provided with a lower pressing plate (84); the lower end of the lower pressing plate (84) is welded with a compression spring (85).
2. The air pressure balance valve of a refrigerator according to claim 1, wherein the limit clamping seat structure (83) comprises a stabilizing seat (831), and a stabilizing column (832) is inserted into the stabilizing seat (831); upper limiting heads (833) are welded on the front side and the rear side above the inner part of the stabilizing column (832); lower limiting heads (834) are welded on the front side and the rear side of the lower portion of the inner portion of the stabilizing column (832).
3. The air pressure balance valve of a refrigerator according to claim 1, wherein the support sleeve (82) is welded above the inside of the balance valve body (1), and a bolt is screwed inside the support sleeve (82).
4. The air pressure balance valve of the refrigerator according to claim 1, wherein the movable rod (81) is matched with the supporting sleeve (82), and a rubber pad is glued inside the supporting sleeve (82).
5. The air pressure balance valve of the refrigerator according to claim 1, wherein a compression spring (85) at the lower end of the lower pressure plate (84) is connected with the blocking cover (7) through bolts.
6. The air pressure balance valve of a refrigerator according to claim 2, wherein the upper limit head (833) and the lower limit head (834) inside the stabilizing column (832) are steel ball heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222789138.7U CN218913868U (en) | 2022-10-24 | 2022-10-24 | Air pressure balance valve of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222789138.7U CN218913868U (en) | 2022-10-24 | 2022-10-24 | Air pressure balance valve of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218913868U true CN218913868U (en) | 2023-04-25 |
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ID=86009328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222789138.7U Active CN218913868U (en) | 2022-10-24 | 2022-10-24 | Air pressure balance valve of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218913868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117128347A (en) * | 2023-10-26 | 2023-11-28 | 佛山市顺德区西科电器有限公司 | Air pressure balance valve and refrigerator |
-
2022
- 2022-10-24 CN CN202222789138.7U patent/CN218913868U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117128347A (en) * | 2023-10-26 | 2023-11-28 | 佛山市顺德区西科电器有限公司 | Air pressure balance valve and refrigerator |
| CN117128347B (en) * | 2023-10-26 | 2024-01-12 | 佛山市顺德区西科电器有限公司 | Air pressure balance valve and refrigerator |
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