Heat insulation assembly for expansion valve

Abstract

The utility model relates to the technical field of expansion valves, in particular to a heat insulation assembly for an expansion valve, which comprises a heat insulation suite, fixing assemblies and limiting assemblies, the fixing assemblies are arranged on the periphery of the heat insulation suite, the limiting assemblies are arranged on the outer sides of the fixing assemblies, and turnover assemblies are arranged on the outer sides of the limiting assemblies; the limiting assembly comprises a telescopic sleeve, one side of the telescopic sleeve is connected with a telescopic rod in a sleeving mode, the overturning assembly comprises an overturning plate, rotating shafts are connected to the two sides of one end of the overturning plate in a welded mode, and the overturning plate is rotationally connected with the telescopic rod through the rotating shafts on the two sides. By additionally arranging the splicing rapid limiting mechanism, the heat insulation assembly is rapidly limited in a clamping, inserting and overturning clamping mode, the splicing flexibility and convenience of the heat insulation assembly are improved, and therefore the using effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of expansion valve, specifically relates to a heat insulation assembly for expansion valve. BACKGROUND

[0002] Expansion valve is an important component in refrigeration system, generally installs between the liquid storage cylinder and evaporator, expansion valve makes liquid refrigerant of medium temperature high pressure become low temperature low pressure wet steam through its throttling, and then refrigerant absorbs heat in evaporator to achieve refrigeration effect, expansion valve controls valve flow through the superheat degree change of evaporator end to prevent the insufficient use of evaporator area and the knocking cylinder phenomenon.

[0003] At present, when using the heat insulation assembly, there is lack of splicing quick limiting mechanism, generally expansion valve needs to splice and coat the heat insulation assembly outside the expansion valve before using the heat insulation assembly, but in the actual operation process, due to the lack of quick limiting mechanism, the difficulty of fixed installation using bolts and other fasteners increases, the convenience and flexibility of operation are affected, therefore, the heat insulation assembly for expansion valve is proposed to facilitate the increase of splicing quick limiting mechanism, the heat insulation assembly is quickly limited by the mode of clamping, inserting, and overturning clamping, the flexibility and convenience of heat insulation assembly splicing are improved, thereby improving the use effect. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides a heat insulation assembly for expansion valve to facilitate the quick limiting of the heat insulation assembly by clamping, inserting and overturning clamping, thereby improving the use effect.

[0005] The utility model solves the technical problems and adopts a heat insulation assembly for expansion valve, which comprises a heat insulation sleeve, a fixing assembly and a limiting assembly, the periphery of the heat insulation sleeve is provided with the fixing assembly, the outer side of the fixing assembly is provided with the limiting assembly, and the outer side of the limiting assembly is provided with an overturning assembly.

[0006] The limiting assembly comprises an extension sleeve, one side of the extension sleeve is connected with an extension rod in a sleeved mode, the overturning assembly comprises a turning plate, both sides of one end of the turning plate are connected with a rotating shaft through welding, and the turning plate is rotationally connected with the extension rod through the rotating shafts on both sides.

[0007] By adopting the above technical scheme, the auxiliary splicing quick limiting mechanism can be increased, the heat insulation assembly installation operation convenience can be improved by the mode of sleeving, overturning and clamping support, and the structure is simple, the cost is low, and the use is more convenient and flexible.

[0008] Specifically, the heat insulation sleeve comprises a first heat insulation sleeve and a second heat insulation sleeve, and the surface of the first heat insulation sleeve is provided with a heat insulation clamping strip.

[0009] By adopting the technical scheme, the influence of the gap on the heat insulation effect during splicing of the heat insulation set can be reduced, the heat insulation quality is improved, and the stability of splicing and installation is improved.

[0010] Specifically, the periphery of the telescopic sleeve located at the telescopic rod is sleeved with a reset spring, the other side of the telescopic sleeve is connected with a push rod in a sleeving mode, one end of the push rod penetrates through the telescopic sleeve and is connected with the telescopic rod through a bolt, one end of the telescopic rod is provided with a threaded section, the periphery of the rotating shaft is sleeved with a coil spring, one end of the coil spring is connected with the rotating shaft through welding, and the other end of the coil spring is connected with the telescopic rod through a clamping groove.

[0011] By adopting the technical scheme, the telescopic rod can be conveniently pushed back to reset, the telescopic rod can be conveniently pushed out of the penetrating fixing assembly to be inserted and limited, the fixing assembly can be conveniently fixed through threaded connection, and the rotating shaft and the flap can be conveniently driven to turn outward to support and limit through elastic deformation.

[0012] Specifically, the surface of the second heat insulation sleeve is provided with a clamping groove corresponding to the heat insulation clamping strip, the heat insulation clamping strip is provided with a heat insulation layer, and the outer surface of the first heat insulation sleeve is provided with a sealing ring.

[0013] By adopting the technical scheme, the heat insulation clamping strip can be conveniently clamped to assist splicing, the heat insulation effect between splicing gaps of the heat insulation assembly can be improved, and the sealing property of the heat insulation assembly in use can be improved.

[0014] Specifically, the fixing assembly comprises a first fixing seat and a second fixing seat, and the first fixing seat and the second fixing seat are fixedly connected with the heat insulation set, and the back of the second fixing seat is provided with a nut corresponding to the telescopic rod.

[0015] By adopting the technical scheme, the heat insulation assembly can be conveniently spliced and fixedly installed, and the telescopic rod can be conveniently limited and fixed through threaded connection.

[0016] The utility model discloses the beneficial effect:

[0017] (1) the utility model discloses a kind of heat insulation components for expansion valve, by being set heat insulation set, fixing assembly, telescopic sleeve, telescopic rod, flap, rotating shaft, can increase auxiliary splicing quick limiting mechanism, using the mode of insertion, overturn, clamping, quick heat insulation set and fixing assembly are limited splicing processing, simple structure, low in cost, operation is more flexible and convenient, greatly improve the convenience of splicing operation.

[0018] (2) The heat insulation assembly for the expansion valve, through the first heat insulation sleeve, the second heat insulation sleeve, the heat insulation clamping strip and the heat insulation layer, the auxiliary splicing reinforcing mechanism can be increased, the splicing stability is further improved by the clamping groove insertion mode, meanwhile, the sealing property of the heat insulation assembly is improved, the gap generated by splicing is reduced, and therefore the use effect of the heat insulation assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further illustrated below in combination with the drawings and embodiments.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the sectional structure schematic diagram of the limiting assembly of the utility model;

[0022] Figure 3 It is the structure schematic diagram of the turnover assembly of the utility model;

[0023] Figure 4 It is the sectional structure schematic diagram of the heat insulation kit of the utility model;

[0024] Figure 5 It is the sectional structure schematic diagram of the heat insulation clamping strip of the utility model;

[0025] Figure 6 It is the sectional structure schematic diagram of the fixed assembly of the utility model;

[0026] In the drawing: 1, heat insulation kit; 101, first heat insulation sleeve; 102, second heat insulation sleeve; 103, heat insulation clamping strip; 104, clamping groove; 105, heat insulation layer; 2, fixed assembly; 201, first fixed seat; 202, second fixed seat; 3, limiting assembly; 301, telescopic sleeve; 302, telescopic rod; 303, reset spring; 304, push rod; 305, threaded section; 4, turnover assembly; 401, flap; 402, pivot; 403, coil spring; 5, nut; 6, sealing ring. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] In order to facilitate the heat insulation assembly to be quickly limited by the clamping, insertion and turnover clamping mode, the use effect is improved, for example, Figures 1-3The utility model provides a kind of heat insulation assembly for expansion valve, including heat insulation kit 1, fixed assembly 2 and limiting component 3, the periphery of heat insulation kit 1 is provided with fixed assembly 2, the outside of fixed assembly 2 is provided with limiting component 3, the outside of limiting component 3 is provided with turnover component 4;

[0029] The limiting component 3 includes a telescopic sleeve 301, and a telescopic rod 302 is connected to one side of the telescopic sleeve 301. The turnover component 4 includes a flap 401, and two shafts 402 are connected to both sides of one end of the flap 401 by welding. The flap 401 is rotatably connected to the telescopic rod 302 by the two shafts 402.

[0030] In use, the telescopic sleeve 301, telescopic rod 302, flap 401, shafts 402, heat insulation kit 1 and fixed assembly 2 can increase the auxiliary splicing quick limiting mechanism. The use of sleeving, turning and clamping support can improve the convenience of heat insulation assembly installation operation, with simple structure and low cost, and more convenient and flexible use.

[0031] To improve the use effect of the heat insulation assembly, as shown in Figure 4 , Figure 5 The utility model also includes a first heat insulation sleeve 101 and a second heat insulation sleeve 102, and the surface of the first heat insulation sleeve 101 is provided with a heat insulation strip 103.

[0032] In use, the first heat insulation sleeve 101, second heat insulation sleeve 102 and heat insulation strip 103 can reduce the influence of gaps on the heat insulation effect during the splicing process of the heat insulation kit 1, improve the heat insulation quality, and improve the stability of splicing and installation.

[0033] As shown in Figure 2 , Figure 3 The utility model also includes a reset spring 303 inside the telescopic sleeve 301 and surrounding the telescopic rod 302. A push rod 304 is connected to the other side of the telescopic sleeve 301. One end of the push rod 304 penetrates the telescopic sleeve 301 and is connected to the telescopic rod 302 by bolts. One end of the telescopic rod 302 is provided with a threaded section 305. The periphery of the shaft 402 is provided with a coil spring 403. One end of the coil spring 403 is connected to the shaft 402 by welding. The other end of the coil spring 403 is connected to the telescopic rod 302 by a clamping groove.

[0034] In use, the elastic force is used to push the telescopic rod 302 back to reset by the reset spring 303, the telescopic rod 302 is pushed out of the fixed assembly 2 to be inserted and limited by the push rod 304, the fixed assembly 2 is fixed by the threaded segment 305, and the rotating shaft 402 and the flap 401 are turned outward to support and limit by the coil spring 403.

[0035] As shown in Figure 1 , Figure 4 , Figure 5 The utility model also includes that the surface of second heat -proof cover 102 is equipped with the clamping groove 104 corresponding with heat -proof clamping strip 103, heat -proof layer 105 is provided in heat -proof clamping strip 103, and the outer surface of first heat -proof cover 101 is provided with sealing ring 6.

[0036] In use, the heat -proof clamping strip 103 is clamped into the clamping groove 104 to assist in splicing, the heat -proof layer 105 improves the heat -proof effect between the splicing gaps of the heat -proof assembly, and the sealing ring 6 improves the sealing performance of the heat -proof assembly.

[0037] As shown in Figure 6 The utility model also includes that the fixed assembly 2 includes first fixed seat 201 and second fixed seat 202, and first fixed seat 201 and second fixed seat 202 are all fixedly connected heat -proof cover 1, and the back of second fixed seat 202 is provided with the nut 5 corresponding with telescopic rod 302.

[0038] In use, the first fixed seat 201 and the second fixed seat 202 are used to splice, fix and install the heat -proof assembly, and the nut 5 is used to limit and fix the telescopic rod 302 by screwing.

[0039] The utility model discloses a heat -insulating assembly for expansion valve, it includes heat -insulating sleeve 1, first fixed seat 201, second fixed seat 202, push rod 304, telescopic rod 302, telescopic sleeve 301, reset spring 303, pivot 402, flap 401 and screw nut 5, first fixed seat 201 and second fixed seat 202 are connected to heat -insulating sleeve 1, push rod 304 is connected to first fixed seat 201, and telescopic rod 302 is connected to second fixed seat 202, and telescopic sleeve 301 is connected to telescopic rod 302, and reset spring 303 is connected to telescopic sleeve 301, and pivot 402 is connected to telescopic sleeve 301, and flap 401 is connected to pivot 402, and screw nut 5 is connected to push rod 304 one end.

[0040] The overall structure is simple and easy to disassemble and assemble, is more stable in use, and moreover, in the actual working process, the influence of the gaps between the heat -insulating sleeve 1 on the heat -insulating effect can be greatly reduced through the arrangement of the heat -insulating strip 103, the clamping groove 104 and the heat -insulating layer 105, thereby improving the heat -insulating quality and being more stable and reliable in use.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned implementation and the description in the specification only illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A thermal insulation assembly for an expansion valve, characterized in that: It comprises a heat insulation kit (1), a fixing component (2) and a limiting component (3), wherein the outer periphery of the heat insulation kit (1) is provided with a fixing component (2), the outer side of the fixing component (2) is provided with a limiting component (3), and the outer side of the limiting component (3) is provided with a flipping component (4); The limiting assembly (3) comprises a telescopic sleeve (301), one side of the telescopic sleeve (301) is sleeve-connected to a telescopic rod (302), and the flip assembly (4) comprises a flap (401), both sides of one end of the flap (401) are connected to a rotating shaft (402) by welding, and the flap (401) is rotatably connected to the telescopic rod (302) via the rotating shafts (402) on both sides.

2. A thermal insulation assembly for an expansion valve according to claim 1, characterized in that: The thermal insulation kit (1) comprises a first thermal insulation sleeve (101) and a second thermal insulation sleeve (102), and a thermal insulation strip (103) is provided on the surface of the first thermal insulation sleeve (101).

3. The thermal insulation assembly for an expansion valve according to claim 1, characterized in that: A return spring (303) is provided on the outer sleeve of the telescopic rod (302) in the telescopic sleeve (301), a push rod (304) is sleeve-connected on the other side of the telescopic sleeve (301), and one end of the push rod (304) passes through the telescopic sleeve (301) and is connected to the telescopic rod (302) by a bolt, and a threaded section (305) is provided on one end of the telescopic rod (302), a coil spring (403) is provided on the outer sleeve of the rotating shaft (402), and one end of the coil spring (403) is connected to the rotating shaft (402) by welding, and the other end of the coil spring (403) is connected to the telescopic rod (302) by a slot.

4. The thermal insulation assembly for an expansion valve according to claim 2, characterized in that: A slot (104) corresponding to the heat-insulating clip (103) is provided on the surface of the second heat-insulating sleeve (102), a heat-insulating layer (105) is provided inside the heat-insulating clip (103), and a sealing ring (6) is provided on the outer surface of the first heat-insulating sleeve (101).

5. The thermal insulation assembly for an expansion valve according to claim 1, characterized in that: The fixing assembly (2) comprises a first fixing seat (201) and a second fixing seat (202), and the first fixing seat (201) and the second fixing seat (202) are both fixedly connected to the heat insulation kit (1), and a nut (5) corresponding to the telescopic rod (302) is provided on the back of the second fixing seat (202).

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