CN219954364U - Anti-freezing pilot electromagnetic valve for low temperature - Google Patents
Anti-freezing pilot electromagnetic valve for low temperature Download PDFInfo
- Publication number
- CN219954364U CN219954364U CN202321215851.9U CN202321215851U CN219954364U CN 219954364 U CN219954364 U CN 219954364U CN 202321215851 U CN202321215851 U CN 202321215851U CN 219954364 U CN219954364 U CN 219954364U
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- CN
- China
- Prior art keywords
- heat preservation
- valve body
- main valve
- sleeve
- electromagnetic valve
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- 238000007710 freezing Methods 0.000 title abstract description 7
- 238000004321 preservation Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000002528 anti-freeze Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008014 freezing Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model provides an antifreezing pilot electromagnetic valve for low temperature, wherein a main valve body is provided with a heat preservation sleeve, the heat preservation sleeve comprises a clamp sleeve, a heat preservation layer, a waterproof layer, a spring clamping piece and a locking component, the heat preservation layer and the waterproof layer are arranged in the clamp sleeve, a heat preservation cavity is formed between the waterproof layer and the outer side wall of the main valve body, and the heat preservation layer plays a role in heat preservation of the main valve body; water with a certain temperature can be added into the heat preservation cavity through the water inlet pipe so as to prevent liquid in the valve body from freezing, and the water is discharged through the water outlet pipe after being cooled. The wave-shaped spring clamping pieces are arranged in the heat preservation cavity, and the clamping degree of the clamping sleeve can be improved by the spring clamping pieces; and the clamp sleeve is detachable, so that the clamp sleeve is convenient to replace and maintain.
Description
Technical Field
The utility model relates to the field of valves, in particular to an antifreezing pilot electromagnetic valve for low temperature.
Background
Pilot solenoids are solenoid-operated valves, which are elements used to control fluid, and are currently used in various fields to achieve fluid control. When the pilot electromagnetic valve is electrified, the valve rod is lifted by virtue of electromagnetic force, the pilot valve opening is opened, at the moment, the upper cavity of the electromagnetic valve is depressurized through the pilot hole, a pressure difference with upper low and lower high is formed around the main valve core, and under the action of the pressure difference, the fluid pressure pushes the main valve core to move upwards to open the main valve opening; when the power is off, the valve rod is reset under the action of spring force and gravity of the main valve core, the pilot hole is closed, the main valve core moves downwards, and the main valve opening is closed; the pressure of the upper cavity of the electromagnetic valve is increased, the fluid pressure pressurizes the main valve core, and the sealing is better. Under the low temperature environment, the valve body often can lead to the function failure of the valve body or direct frost crack of the valve body because of the fluid freezing in the valve body, thereby influencing the use of the electromagnetic valve.
Disclosure of Invention
In view of the above, the present utility model aims to provide an antifreezing pilot electromagnetic valve for low temperature to solve the above problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
an antifreezing pilot electromagnetic valve for low temperature comprises a main valve body, a pilot valve and a heat preservation sleeve; the main valve body is communicated with the pilot valve, and the heat preservation sleeve is arranged on the main valve body;
the heat preservation sleeve comprises 2 clamping sleeves, 2 heat preservation layers, a waterproof layer, spring clamping pieces and locking components, wherein the 2 clamping sleeves are hinged and coated on the periphery of the main valve body, and the 2 clamping sleeves are fixedly connected through the locking components; the inner surface of the clamp sleeve is provided with a containing groove, an insulating layer is arranged in the containing groove, a waterproof layer is arranged on the outer side of the insulating layer, the sum of the thicknesses of the insulating layer and the waterproof layer is smaller than the depth of the containing groove, so that a gap is reserved between the waterproof layer and the outer side wall of the main valve body to form an insulating cavity, and a wavy spring clamping piece is arranged in the insulating cavity and is in contact with the outer side wall of the main valve body; the upper portion of the clamp sleeve is provided with a water inlet pipe communicated with the heat preservation cavity, the lower portion of the clamp sleeve is provided with a water outlet pipe communicated with the heat preservation cavity, and the water inlet pipe and the water outlet pipe are provided with detachable sealing covers.
Further, the clamp sleeve is of a 3-section structure and comprises a quarter arc section and 2 semicircular arc sections which are respectively integrally connected to the left side and the right side of the quarter arc section, and the locking assembly is arranged on the semicircular arc sections.
Further, locking assembly includes screw rod and nut, and the screw rod articulates on the semicircle section of one of them clamp sleeve, and the relevant position of another clamp sleeve is equipped with the draw-in groove that is used for blocking the U type of screw rod, and the nut spiro union is on the screw rod.
Further, 2 screws are hinged to each semicircular arc section, 1 baffle is sleeved on the 2 screws together, and the nut is located on the outer side of the baffle.
Further, the outer side wall of the main valve body is inwards sunken to form a mounting groove, and the clamp sleeve is mounted in the mounting groove.
Further, the spring card is equipped with a plurality of, and a plurality of spring leaf sets gradually side by side along the length extension direction of clamp cover.
Further, a sealing gasket is arranged at the contact edge of the clamp sleeve and the main valve body.
Further, the two ends of the main valve body are provided with flange plates.
Compared with the prior art, the low-temperature antifreezing pilot electromagnetic valve has the following advantages:
the main valve body of the low-temperature antifreezing pilot electromagnetic valve is provided with a heat preservation sleeve, the heat preservation sleeve comprises a clamp sleeve, a heat preservation layer, a waterproof layer, a spring clamping piece and a locking component, the heat preservation layer and the waterproof layer are arranged in the clamp sleeve, a heat preservation cavity is formed between the waterproof layer and the outer side wall of the main valve body, and the heat preservation layer plays a role in heat preservation of the main valve body; water with a certain temperature can be added into the heat preservation cavity through the water inlet pipe so as to prevent liquid in the valve body from freezing, and the water is discharged through the water outlet pipe after being cooled. The wave-shaped spring clamping pieces are arranged in the heat preservation cavity, and the clamping degree of the clamping sleeve can be improved by the spring clamping pieces; and the clamp sleeve is detachable, so that the clamp sleeve is convenient to replace and maintain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of an antifreezing pilot electromagnetic valve for low temperature according to an embodiment of the present utility model;
FIG. 2 is a front view of a low temperature antifreeze pilot solenoid valve according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of A-A of a low temperature antifreeze pilot solenoid valve according to an embodiment of the utility model;
fig. 4 is a split view of the low temperature anti-freezing pilot solenoid valve according to the embodiment of the present utility model.
Reference numerals illustrate:
1-a main valve body; 11. a mounting groove; 2-pilot valve; 3-heat preservation sleeve; 31. a clamp sleeve; 311. a clamping groove; 312. a sealing gasket; 32. a receiving groove; 33. a heat preservation layer; 34. a waterproof layer; 35. a spring card; 36. a water inlet pipe; 37. a water outlet pipe; 38. sealing cover; 39. a locking assembly; 391. a screw; 392. a baffle; 393. a nut; 4-flange plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
An antifreezing pilot electromagnetic valve for low temperature comprises a main valve body 1, a pilot valve 2 and a heat preservation sleeve 3; the main valve body is communicated with the pilot valve, and the heat preservation sleeve is arranged on the main valve body;
the heat preservation sleeve comprises 2 clamping sleeves 31, heat preservation layers 33, waterproof layers 34, spring clamping pieces 35 and locking components 39, wherein the 2 clamping sleeves are hinged and are coated on the periphery of the main valve body, and the 2 clamping sleeves are fixedly connected through the locking components; the inner surface of the clamp sleeve is provided with a containing groove 32, a heat preservation layer is arranged in the containing groove, a waterproof layer is arranged on the outer side of the heat preservation layer, the sum of the thicknesses of the heat preservation layer and the waterproof layer is smaller than the depth of the containing groove, so that a gap is reserved between the waterproof layer and the outer side wall of the main valve body to form a heat preservation cavity, and a wavy spring clamping piece is arranged in the heat preservation cavity and is in contact with the outer side wall of the main valve body; the upper portion of clamp cover is equipped with the inlet tube 36 with heat preservation chamber intercommunication, and the lower part of clamp cover is equipped with the outlet pipe 37 with heat preservation chamber intercommunication, is equipped with detachable sealed lid 38 on inlet tube and the outlet pipe, and sealed lid can adopt threaded connection's mode.
The heat-insulating layer and the waterproof layer of the pilot electromagnetic valve are arranged in the clamp sleeve, a heat-insulating cavity is formed between the waterproof layer and the outer side wall of the main valve body, and the heat-insulating layer plays a role in heat insulation of the main valve body; water with a certain temperature can be added into the heat preservation cavity through the water inlet pipe so as to prevent liquid in the valve body from freezing, and the water is discharged through the water outlet pipe after being cooled. The wave-shaped spring clamping pieces are arranged in the heat preservation cavity, and the clamping degree of the clamping sleeve can be improved by the spring clamping pieces; and the clamp sleeve is detachable, so that the clamp sleeve is convenient to replace and maintain.
Exemplary, as shown in fig. 4, the clamp sleeve has a 3-segment structure, and includes a quarter arc segment and 2 semicircular arc segments integrally connected to the left and right sides of the quarter arc segment, and the locking assembly is disposed on the semicircular arc segments.
Specifically, the locking assembly includes a screw 391 and a nut 393, the screw is hinged on a semicircle section of one of the clamping sleeves, a corresponding position of the other clamping sleeve is provided with a U-shaped clamping groove 311 for clamping the screw, and the nut is in threaded connection with the screw. The screw rod can be clamped in the clamping groove by rotating the screw rod, and the screw rod can be fixed by rotating the nut.
More specifically, 2 screws are hinged on each semicircular arc section, 1 baffle 392 is sleeved on the 2 screws together, and the nuts are located on the outer sides of the baffles. The firmness of fixation can be improved by using 2 screws, the baffle can drive the 2 screws to rotate together, and meanwhile, the fixed area of the baffle is increased.
Illustratively, the outer side wall of the main valve body is recessed inwards to form a mounting groove 11, and the clamp sleeve is mounted in the mounting groove, so that the mounting firmness of the clamp sleeve is improved.
The spring clamp is provided with a plurality of spring pieces, and the spring pieces are arranged in parallel and sequentially along the length extending direction of the clamp sleeve.
Illustratively, the edge of the collar that contacts the main valve body is provided with a gasket 312 that improves the sealing of the collar.
Illustratively, the main valve body is provided with flanges 4 at both ends.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. An antifreezing pilot electromagnetic valve for low temperature is characterized in that: the valve comprises a main valve body, a pilot valve and a heat preservation sleeve; the main valve body is communicated with the pilot valve, and the heat preservation sleeve is arranged on the main valve body;
the heat preservation sleeve comprises 2 clamping sleeves, 2 heat preservation layers, a waterproof layer, spring clamping pieces and locking components, wherein the 2 clamping sleeves are hinged and coated on the periphery of the main valve body, and the 2 clamping sleeves are fixedly connected through the locking components; the inner surface of the clamp sleeve is provided with a containing groove, an insulating layer is arranged in the containing groove, a waterproof layer is arranged on the outer side of the insulating layer, the sum of the thicknesses of the insulating layer and the waterproof layer is smaller than the depth of the containing groove, so that a gap is reserved between the waterproof layer and the outer side wall of the main valve body to form an insulating cavity, and a wavy spring clamping piece is arranged in the insulating cavity and is in contact with the outer side wall of the main valve body; the upper portion of the clamp sleeve is provided with a water inlet pipe communicated with the heat preservation cavity, the lower portion of the clamp sleeve is provided with a water outlet pipe communicated with the heat preservation cavity, and the water inlet pipe and the water outlet pipe are provided with detachable sealing covers.
2. The low-temperature antifreeze pilot electromagnetic valve according to claim 1, wherein: the clamp sleeve is of a 3-section structure and comprises a quarter arc section and 2 semicircular arc sections which are respectively and integrally connected to the left side and the right side of the quarter arc section, and the locking assembly is arranged on the semicircular arc sections.
3. The low-temperature antifreeze pilot electromagnetic valve according to claim 2, wherein: the locking component comprises a screw and a nut, the screw is hinged on the semicircular section of one of the clamping sleeves, the corresponding position of the other clamping sleeve is provided with a U-shaped clamping groove for clamping the screw, and the nut is in threaded connection with the screw.
4. The low-temperature antifreeze pilot electromagnetic valve according to claim 3, wherein: 2 screws are hinged to each semicircular arc section, 1 baffle is sleeved on the 2 screws together, and the nuts are located on the outer sides of the baffles.
5. The low-temperature antifreeze pilot electromagnetic valve according to claim 1, wherein: the outer side wall of the main valve body is inwards sunken to form a mounting groove, and the clamp sleeve is mounted in the mounting groove.
6. The low-temperature antifreeze pilot electromagnetic valve according to claim 1, wherein: the spring card is equipped with a plurality of, and a plurality of spring leaf sets gradually side by side along the length extension direction of clamp cover.
7. The low-temperature antifreeze pilot electromagnetic valve according to claim 1, wherein: the edge of the clamp sleeve, which is contacted with the main valve body, is provided with a sealing gasket.
8. The low-temperature antifreeze pilot electromagnetic valve according to claim 1, wherein: flanges are arranged at two ends of the main valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215851.9U CN219954364U (en) | 2023-05-19 | 2023-05-19 | Anti-freezing pilot electromagnetic valve for low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215851.9U CN219954364U (en) | 2023-05-19 | 2023-05-19 | Anti-freezing pilot electromagnetic valve for low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954364U true CN219954364U (en) | 2023-11-03 |
Family
ID=88542698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321215851.9U Active CN219954364U (en) | 2023-05-19 | 2023-05-19 | Anti-freezing pilot electromagnetic valve for low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954364U (en) |
-
2023
- 2023-05-19 CN CN202321215851.9U patent/CN219954364U/en active Active
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| GR01 | Patent grant |