Anti-freezing gate valve

The modular insulation shell design solves the problem of easy damage to the insulation layer of the antifreeze gate valve in humid environments, enabling easy replacement and stable insulation effect, and reducing maintenance difficulty and cost.

CN223524550UActive Publication Date: 2025-11-07WUXI ZHONGCHENG AUTOMATIC CONTROL VALVE CO LTD
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Patent Information

Application Number
CN202423265888.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The insulation layer of existing antifreeze gate valves is easily damaged in humid environments, making replacement inconvenient and increasing maintenance costs and difficulty.

Method used

The design adopts a modular insulation shell, which uses guide components and installation guide blocks to achieve sliding connection of the insulation panels. Combined with restoring springs and limit slots, it simplifies the disassembly and assembly process of the insulation structure.

Benefits of technology

It improves the efficiency of replacing insulation structures, reduces maintenance difficulty and cost, and ensures the stability of insulation performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-freezing gate valve, which relates to the technical field of valves, and comprises a gate valve structure and a heat preservation shell, and guide pieces are fixedly arranged at the left end and the right end of the gate valve structure; guide grooves are formed in the front end and the rear end of the inner side of the guide piece. Mounting guide blocks are fixedly mounted on the left side and the right side of the heat preservation shell, and the heat preservation shell is slidably connected with the guide parts through the mounting guide blocks and the guide grooves. When the two heat preservation shells are in butt joint, a complete heat preservation structure is formed; a heat preservation plate body is clamped between the interior of the heat preservation shell and the exterior of the gate valve structure; a butt joint piece is fixedly installed on the circumferential outer wall of the heat preservation shell. According to the gate valve, for the heat preservation assembly needing to be replaced regularly, the replacement process is simpler, more convenient and faster, the time and energy needed by later maintenance are remarkably reduced, the maintenance difficulty is lowered, and the problem that the heat preservation layer is inconvenient to replace no matter the heat preservation layer is fixed to the gate valve in a cementing mode or a tying mode is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to anti -freezing gate valve. BACKGROUND

[0002] The gate valve needs to prevent frost mainly to prevent its freezing in low temperature environment and leads to function failure, if the gate valve freezes, can cause the valve to be unable to open or close normally, influence fluid system's normal operation, therefore need to use the anti -freezing gate valve.

[0003] The existing anti -freezing gate valve to ensure its anti -freezing performance, generally installs the heat preservation layer structure in the outer wall, however, these gate valves are often deployed in the underground or well hole, these environments are usually relatively humid, and the humid environment can cause the heat preservation layer material performance to decline, even cause outer wall cracking etc. Problem, thereby need to replace the heat preservation layer regularly to keep its efficiency, but at present most gate valve's heat preservation layer structure, whether through the glue or the system installs mode and is fixed on the gate valve, all have the inconvenient problem of replacement, these installation modes make the heat preservation layer once be damaged or performance decline, need to spend more time and energy to dismantle and replace, this undoubtedly increases the maintenance cost and operation difficulty. SUMMARY

[0004] The anti -freezing gate valve of the embodiment of the disclosure is wrapped by the heat preservation shell and clamped between itself and the gate valve structure, which can not only play a role in heat preservation and frost prevention, but also avoid the problem of cracking caused by the influence of external factors due to direct leakage of the heat preservation plate body. The anti -freezing gate valve is provided with a spliced heat preservation shell, which makes the heat preservation structure more convenient to disassemble and install. Compared with the traditional installation method of tying or gluing the heat preservation structure, the anti -freezing gate valve is more time-saving and labor-saving when replacing the heat preservation structure that needs to be replaced regularly, and reduces the difficulty of later maintenance.

[0005] The first aspect of the present disclosure provides a freeze-proof gate valve, which specifically comprises a gate valve structure and a heat preservation shell, the left and right ends of the gate valve structure are fixedly installed with guide pieces, the inner sides of the guide pieces are provided with guide grooves at the front and back ends, the left and right sides of the heat preservation shell are fixedly installed with installation guide blocks, and the heat preservation shell is slidably connected with the guide pieces through the installation guide blocks and the guide grooves; two heat preservation shells are abutted to form a complete heat preservation structure, and the heat preservation structure is sleeved on the gate valve structure; the heat preservation plate body is clamped between the inside of the heat preservation shell and the outside of the gate valve structure; the abutment pieces are fixedly installed on the circumferential outer wall of the heat preservation shell; the abutment pieces are hollow semicircular ring structures; when the two heat preservation shells are abutted, the two abutment pieces are abutted to form a circular ring structure; the mounting seats are fixedly installed on the outer wall of the abutment piece; the limiting sliding plates are slidably installed on the outer wall of the mounting seat; the pull rings of the cylindrical structure are fixedly installed on the outer end of the limiting sliding plate; the rectangular structure embedding baffle is fixedly installed on the outer wall of the limiting sliding plate.

[0006] In at least some embodiments,

[0007] The restoring spring is embedded between the inner side of the embedding baffle and the outer wall of the mounting seat; the abutment sliding plates are slidably installed in the interiors of the abutment pieces.

[0008] In at least some embodiments,

[0009] The abutment sliding plates are in arc structures; one end of the abutment sliding plate is in an inclined structure; the limiting clamping grooves are formed in the outer wall of the abutment sliding plate.

[0010] In at least some embodiments,

[0011] The other end of the abutment sliding plate is fixedly installed with a breaking piece; after the two abutment pieces are abutted, the inclined ends of the two abutment sliding plates can be slid into the interiors of the adjacent abutment pieces.

[0012] In at least some embodiments,

[0013] When the inclined end of the abutment sliding plate is slid into the interior of the adjacent abutment piece, the inclined surface of the abutment sliding plate will push the inner end of the limiting sliding plate; after the inner end of the limiting sliding plate is pushed, it will temporarily move outward.

[0014] In at least some embodiments,

[0015] After the inclined end of the abutment sliding plate slides to the limit in the interior of the adjacent abutment piece, the position of the limiting sliding plate will match the limiting clamping groove.

[0016] In at least some embodiments,

[0017] The position of the limiting sliding plate matches the position of the limiting clamping groove, and the limiting sliding plate is inserted into the interior of the limiting clamping groove under the action of the restoring spring.

[0018] The utility model discloses a freeze -proof gate valve has the following beneficial effects:

[0019] 1. through the heat preservation shell body is wrapped to the heat preservation board body and is cleverly clamped between the shell body and gate valve structure, not only ensure that the heat preservation board body can effectively play the function of heat preservation and prevent frostbite, prevent the heat preservation board body from being exposed in the outside environment directly to avoid the potential problem such as cracking caused by environmental factors.

[0020] 2. The freeze -proof gate valve adopts the design of spliced heat preservation shell body, and the design greatly facilitates the dismounting process of the heat preservation structure, compared with the traditional installation mode of heat preservation structure of binding or gluing, the replacement process of the heat preservation component that needs to be replaced regularly is more convenient and fast, the time and effort required for later maintenance are reduced, and the maintenance difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0022] The drawings in the following description only relate to some embodiments of the utility model, and are not limited to the utility model.

[0023] In the drawings:

[0024] Figure 1 The overall structure schematic diagram of the application is shown;

[0025] Figure 2 The heat preservation shell split state structure schematic diagram of the application is shown;

[0026] Figure 3 The butt joint sliding plate slide-out state structure schematic diagram of the application is shown;

[0027] Figure 4 The butt joint sliding plate storage state structure schematic diagram of the application is shown;

[0028] Figure 5 The heat preservation shell has positioned state structure schematic diagram of the application is shown;

[0029] Figure 6 The heat preservation shell has not positioned state structure schematic diagram of the application is shown;

[0030] LIST OF REFERENCE NUMERALS

[0031] 1, gate valve structure; 2, guide; 3, guide groove; 4, heat preservation shell; 5, installation guide block; 6, heat preservation plate body; 7, butt joint; 8, mounting seat; 9, limit sliding plate; 10, embedded baffle; 11, recovery spring; 12, butt joint sliding plate; 13, limit slot; 14, pull tab. DETAILED DESCRIPTION

[0032] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Please refer to Figures 1 to 6 :

[0034] Embodiment one:

[0035] The utility model provides a freeze -proof gate valve, include: gate valve structure 1 and heat preservation shell 4, the left and right two ends fixed mounting of gate valve structure 1 have guide 2, the inside front and back two ends of guide 2 are set with guide groove 3, the left and right sides fixed mounting of heat preservation shell 4 have installation guide block 5, and heat preservation shell 4 is connected with guide 2 through installation guide block 5 and guide groove 3 and slides, two heat preservation shell 4 butt joint and will constitute a complete heat preservation structure, and the heat preservation structure is still sleeved on gate valve structure 1, the inside of heat preservation shell 4 and the outside of gate valve structure 1 are commonly clamped with heat preservation plate body 6, the circumferential outer wall of heat preservation shell 4 is fixedly installed with butt joint 7, butt joint 7 is hollow semicircular ring structure, two butt joint 7 will butt joint and form a circular ring structure when two heat preservation shell 4 butt joint, the outer wall of butt joint 7 is fixedly installed with mounting seat 8, the outer wall of mounting seat 8 is slidably installed with limit sliding plate 9, the outer end of limit sliding plate 9 is fixedly installed with the pull ring of cylindrical structure, the outer wall of limit sliding plate 9 is fixedly installed with the embedded baffle 10 of rectangular structure.

[0036] Through heat preservation shell 4, heat preservation plate body 6 is wrapped and clamped between itself and gate valve structure 1, not only heat preservation plate body 6 can play the role of heat preservation and freeze -proof, but also can avoid heat preservation plate body 6 directly and leak and be affected by external factors and appear cracking problem.

[0037] In the embodiment two, on the basis of the embodiment one, the inner side of the embedded baffle 10 and the outer wall of the mounting base 8 are jointly embedded with the restoring spring 11; the inner part of the abutting piece 7 is slidably mounted with the abutting sliding plate 12; the abutting sliding plate 12 is in an arc structure; one end of the abutting sliding plate 12 is in an inclined structure; the outer wall of the abutting sliding plate 12 is provided with the limiting clamping groove 13; the other end of the abutting sliding plate 12 is fixedly mounted with the prying piece 14; after the abutting of the two abutting pieces 7, the inclined ends of the two abutting sliding plates 12 can be slid into the inner part of the adjacent abutting piece 7.

[0038] The anti-freezing gate valve is provided with the spliced heat preservation shell 4, so that the heat preservation structure is convenient to disassemble and install, compared with the traditional mounting mode of the heat preservation structure by being tied or glued, the heat preservation structure which needs to be replaced regularly is more time-saving and labor-saving to replace, and the difficulty of later maintenance is reduced.

[0039] In the embodiment three, on the basis of the embodiment two, when the inclined end of the abutting sliding plate 12 is slid into the inner part of the adjacent abutting piece 7, the inclined surface of the abutting sliding plate 12 will push the inner end of the limiting sliding plate 9; after the inner end of the limiting sliding plate 9 is pushed, the inner end will temporarily move outward; after the inclined end of the abutting sliding plate 12 slides to the limit in the inner part of the adjacent abutting piece 7, the position of the limiting sliding plate 9 will match the position of the limiting clamping groove 13; after the position of the limiting sliding plate 9 matches the position of the limiting clamping groove 13, the limiting sliding plate 9 will be inserted into the inner part of the limiting clamping groove 13 under the action of the restoring spring 11.

[0040] By sliding the mounting guide block 5 into the guide groove 3, the two heat preservation shells 4 are abutted, and at the same time, the two heat preservation plate bodies 6 are clamped between the heat preservation shell 4 and the gate valve structure 1, then the two abutting sliding plates 12 are rotated by manually using the prying piece 14, so that the inclined ends of the two abutting sliding plates 12 are slid into the inner part of the adjacent abutting piece 7, in the sliding process, the inclined surface of the abutting sliding plate 12 will push the inner end of the limiting sliding plate 9, so that the inner end of the limiting sliding plate 9 will temporarily move outward, and after the inclined end of the abutting sliding plate 12 slides to the limit in the inner part of the adjacent abutting piece 7, the position of the limiting sliding plate 9 will match the position of the limiting clamping groove 13, at this time, the limiting sliding plate 9 will be inserted into the inner part of the limiting clamping groove 13 under the action of the restoring spring 11, so as to limit the position of the two abutting sliding plates 12, and since the two abutting sliding plates 12 are simultaneously between the two abutting pieces 7 at this time, the abutting positioning of the two heat preservation shells 4 is also realized, so that the two heat preservation shells 4 and the heat preservation plate body 6 can be stably limited on the gate valve structure 1.

[0041] The working principle of the embodiment is as follows: during installation, first, the installation guide block 5 is slid into the guide groove 3, so that the two heat preservation shells 4 are butted, and the two heat preservation plate bodies 6 are clamped between the heat preservation shells 4 and the gate valve structure 1 at the same time, then the two butted sliding plates 12 are rotated by artificial use of the turning piece 14, so that the inclined ends of the two butted sliding plates 12 are slid into the interiors of the adjacent butting pieces 7, during the sliding process, the inclined surface of the butted sliding plate 12 will push the inner end of the limiting sliding plate 9, so that the inner end of the limiting sliding plate 9 is temporarily moved outward after being pushed, and after the inclined end of the butted sliding plate 12 slides to the limit in the interior of the adjacent butting piece 7, the position of the limiting sliding plate 9 will match the limiting clamping groove 13, at this time, the limiting sliding plate 9 will be inserted into the interior of the limiting clamping groove 13 under the action of the restoring spring 11, so as to limit the positions of the two butted sliding plates 12, and at the same time, since the two butted sliding plates 12 are simultaneously located between the two butting pieces 7, the butting positioning of the two heat preservation shells 4 is also realized, so that the two heat preservation shells 4 and the heat preservation plate body 6 can be stably limited on the gate valve structure 1, during disassembly, only the limiting sliding plate 9 needs to be pulled outward, so that it is separated from the limiting clamping groove 13, then the butted sliding plate 12 is restored, so as to cancel the limitation of the heat preservation shell 4, and the heat preservation plate body 6 in the interior thereof is convenient to disassemble and replace.

[0042] In this paper, the following points need to be noted:

[0043] 1. The drawings of the embodiments of the disclosure only relate to the structures involved in the embodiments of the disclosure, and other structures can be referred to the general design.

[0044] 2. In the case of no conflict, the embodiments of the disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0045] The above is only a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the disclosure, which should be covered in the protection scope of the disclosure. Therefore, the protection scope of the disclosure should be subject to the protection scope of the claims.

Claims

1. A freeze-proof gate valve comprising: characterized in that, The utility model provides a kind of anti-freezing gate valve, it is including gate valve structure (1) and heat preservation shell (4), the left and right ends of the gate valve structure (1) are fixedly installed with guide (2);The inside of the guide (2) is provided with guide slot (3) in front and back two ends;The left and right sides of the heat preservation shell (4) are fixedly installed with installation guide block (5), and heat preservation shell (4) is connected with guide (2) by installation guide block (5) and guide slot (3) slidingly;Two the heat preservation shell (4) when abutting joint can form a complete heat preservation structure, and the heat preservation structure is also sleeved on gate valve structure (1);The inside of the heat preservation shell (4) and the outside of gate valve structure (1) are jointly clamped with heat preservation plate body (6);The circumferential outer wall of the heat preservation shell (4) is fixedly installed with abutting piece (7);The abutting piece (7) is hollow semicircular ring structure;Two the heat preservation shell (4) when abutting joint, two abutting pieces (7) will abut and form a circular ring structure;The outer wall of the abutting piece (7) is fixedly installed with mounting seat (8);The outer wall of the mounting seat (8) is slidably installed with limit slide plate (9);The outer end of the limit slide plate (9) is fixedly installed with cylindrical structure's pull ring;The outer wall of the limit slide plate (9) is fixedly installed with rectangular structure's embedded baffle (10).

2. The anti-freezing gate valve according to claim 1, wherein, the inside of the embedded baffle (10) and the outer wall of the mounting seat (8) are jointly embedded with a restoring spring (11); the inside of the abutting piece (7) is slidably installed with an abutting slide plate (12).

3. The anti-freezing gate valve according to claim 2, wherein, the abutting slide plate (12) is in an arc shape; one end of the abutting slide plate (12) is in an inclined shape; the outer wall of the abutting slide plate (12) is provided with a limiting clamping groove (13).

4. The anti-freezing gate valve according to claim 3, wherein, the other end of the abutting slide plate (12) is fixedly installed with a breakable piece (14); after the abutting of the two abutting pieces (7), the inclined ends of the two abutting slide plates (12) can be slid into the inside of the adjacent abutting piece (7).

5. The anti-freezing gate valve according to claim 4, wherein, when the inclined end of the abutting slide plate (12) is slid into the inside of the adjacent abutting piece (7), the inclined surface of the abutting slide plate (12) will push the inner end of the limit slide plate (9); after being pushed, the inner end of the limit slide plate (9) will temporarily move outward.

6. The anti-freezing gate valve according to claim 5, wherein, after the inclined end of the abutting slide plate (12) slides to the limit in the inside of the adjacent abutting piece (7), the position of the limit slide plate (9) will match the position of the limiting clamping groove (13).

7. The anti-freezing gate valve according to claim 6, wherein, after the position of the limit slide plate (9) matches the position of the limiting clamping groove (13), the limit slide plate (9) will be inserted into the inside of the limiting clamping groove (13) under the action of the restoring spring (11).