CN218818521U

CN218818521U - High-temperature expansion valve with stable temperature sensing structure

Info

Publication number: CN218818521U
Application number: CN202223090273.9U
Authority: CN
Inventors: 张家喜
Original assignee: Shanghai Wanfeng Heavy Industry Co ltd
Current assignee: Shanghai Wanfeng Heavy Industry Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-07
Anticipated expiration: 2032-11-16

Abstract

The utility model belongs to the technical field of high-temperature expansion valves, in particular to a high-temperature expansion valve with a stable temperature sensing structure, which comprises a valve body, a capillary tube and a temperature sensing bulb, wherein the upper part of the valve body is fixedly connected with the temperature sensing bulb through the capillary tube; the utility model discloses a temperature sensing package, including backplate, traction plate, spacing pad A, spacing pad B, backplate surface, pulling hole, mounting assembly, temperature sensing package externally mounted has the assembly subassembly, the assembly subassembly includes backplate, traction plate, spacing pad A and spacing pad B, the backplate surface is provided with the assembly groove, and the assembly groove middle part position fixedly connected with traction plate of backplate, the traction hole has been seted up on the traction plate surface. Outside assembly subassembly of temperature sensing package includes backplate, traction plate, spacing pad A and spacing pad B, can run through the traction hole on traction plate surface between the ribbon, locks fixedly, can also improve the laminating degree and the stability of temperature sensing package effectively inside the constant head tank of ribbon direct pressfitting between traction plate and spacing pad A or traction plate and spacing pad B, is difficult for sideslipping and skew.

Description

High-temperature expansion valve with stable temperature sensing structure

Technical Field

The utility model relates to a high temperature expansion valve technical field specifically is a high temperature expansion valve with stabilize temperature sensing structure.

Background

The high temperature expansion valve, also known as a thermostatic expansion valve, controls the flow of refrigerant into the evaporator by controlling the superheat of the gaseous refrigerant at the outlet of the evaporator. The high-temperature expansion valve comprises a valve body and a temperature sensing bulb fixedly connected through a capillary tube on the end face of the valve body.

Current high temperature expansion valve, its temperature sensing package are the column type structure, and in the pipeline laminating of relative column type and use retaining member locking fixed, because the column type structure setting of temperature sensing package, the phenomenon that sideslip and skew appear in the easy relative temperature sensing package of retaining member reduces its laminating degree, influences the temperature sensing performance, poor stability.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a high temperature expansion valve with stabilize temperature sensing structure, the outside assembly subassembly of temperature sensing package includes backplate, traction plate, spacing pad A and spacing pad B, can run through the traction hole on traction plate surface between the ribbon, it is fixed to lock, can also be inside the constant head tank of the direct pressfitting of ribbon between traction plate and spacing pad A or traction plate and spacing pad B, improve the laminating degree and the stability of temperature sensing package effectively, be difficult for sideslipping and skew.

(II) technical scheme

In order to solve the technical problem, the utility model provides a high-temperature expansion valve with a stable temperature sensing structure, which comprises a valve body, a capillary tube and a temperature sensing bulb, wherein the upper part of the valve body is fixedly connected with the temperature sensing bulb through the capillary tube;

the assembly component is arranged outside the temperature sensing bulb and comprises a back plate, a traction plate, a limiting pad A and a limiting pad B, an assembly groove is formed in the outer surface of the back plate, the traction plate is fixedly connected to the middle of the assembly groove of the back plate, traction holes are formed in the surface of the traction plate, and the limiting pad A and the limiting pad B are respectively bonded inside the assembly groove of the back plate;

and a protection component is arranged on the end face of the thermal bulb.

Preferably, the limiting pad A and the limiting pad B are respectively located on the upper side and the lower side of the traction plate, and positioning grooves are formed between the limiting pad A and the traction plate as well as between the limiting pad B and the traction plate.

Preferably, the traction holes are arranged in an elliptical shape.

Preferably, the protection component comprises an arc-shaped protection cover, a supporting seat and a supporting ring, the supporting ring is fixedly connected to the surface of the temperature sensing bulb, and the supporting seat and the arc-shaped protection cover are fixedly connected to the upper portion of the supporting ring.

Preferably, the arc-shaped protective cover is sleeved at the end face of the temperature sensing bulb, and through holes are formed in the circumference of the surface of the arc-shaped protective cover at equal intervals.

Preferably, the end face of the arc-shaped protective cover is fixedly connected with a rubber pad, and an anti-collision plate is bonded to the end face of the rubber pad.

The above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses, the outside assembly subassembly of temperature sensing package includes the backplate, the traction plate, spacing A and spacing B of filling up, when carrying out the relative piping erection of temperature sensing package, one side surface laminating of keeping away from the backplate to the temperature sensing package is on the pipeline, use the ribbon to cup joint outside temperature sensing package and pipeline, can run through the traction hole on traction plate surface between the ribbon, it is fixed to lock, can also be inside the direct pressfitting of ribbon constant head tank between traction plate and spacing A of filling up or traction plate and spacing B of filling up, improve the laminating degree and the stability of temperature sensing package effectively, be difficult for sideslipping and skew.

2. The utility model discloses, the protection subassembly includes circular arc type protection casing, supporting seat and support ring, and circular arc type protection casing bottom is through supporting seat and support ring fixed connection, and the circular arc type protection casing carries out the abrasionproof damage protection to the terminal surface position of temperature sensing package and handles, keeps its outer structure's integrality; the end face of the arc-shaped protective cover is fixedly connected with an anti-collision plate through a rubber pad, and the anti-collision plate carries out protective treatment on the arc-shaped protective cover.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the thermal bulb and the assembling component of the present invention;

fig. 3 is a schematic structural view of the protection assembly of the present invention.

Reference numerals are as follows:

1. a valve body; 2. a capillary tube; 3. a temperature sensing bulb; 4. assembling the components; 5. a guard assembly; 6. a back plate; 7. a traction plate; 8. a drawing hole; 9. a limiting pad A; 10. a limiting pad B; 11. a circular arc-shaped protective cover; 12. a through hole; 13. a supporting seat; 14. a support ring; 15. a rubber pad; 16. an anti-collision plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example one

As shown in fig. 1, fig. 2 and fig. 3, the high temperature expansion valve with a stable temperature sensing structure provided by the present invention comprises a valve body 1, a capillary tube 2 and a temperature sensing bulb 3, wherein the upper part of the valve body 1 is fixedly connected with the temperature sensing bulb 3 through the capillary tube 2;

an assembly component 4 is mounted outside the temperature sensing bulb 3, the assembly component 4 comprises a back plate 6, a traction plate 7, a limiting pad A9 and a limiting pad B10, an assembly groove is formed in the outer surface of the back plate 6, the traction plate 7 is fixedly connected to the middle of the assembly groove of the back plate 6, a traction hole 8 is formed in the surface of the traction plate 7, and the limiting pad A9 and the limiting pad B10 are respectively bonded inside the assembly groove of the back plate 6;

and a protection component 5 is arranged on the end surface of the thermal bulb 3.

It should be noted that, assembly subassembly 4 outside thermal bulb 3 includes backplate 6, traction plate 7, spacing pad A9 and spacing pad B10, when carrying out the relative duct mounting of thermal bulb 3, a side surface laminating that keeps away from backplate 6 to thermal bulb 3 is on the pipeline, use the ribbon to cup joint at thermal bulb 3 and pipeline outside, can run through traction hole 8 on traction plate 7 surface between the ribbon, it is fixed to lock, can also be inside the constant head tank between traction plate 7 and spacing pad A9 or traction plate 7 and spacing pad B10 to the direct pressfitting of ribbon, improve the laminating degree and the stability of thermal bulb 3 effectively, be difficult for sideslipping and skew.

Example two

In this embodiment, as shown in fig. 1 and fig. 2, the position-limiting pads A9 and B10 are respectively located on the upper and lower sides of the traction plate 7, positioning grooves are respectively disposed between the position-limiting pads A9 and B10 and the traction plate 7, and the traction holes 8 are disposed in an elliptical shape.

It should be noted that the limiting pad A9 and the limiting pad B10 are used in cooperation with the traction plate 7, and can be installed and fixed on the thermal bulb 3.

EXAMPLE III

In this embodiment, as shown in fig. 1 and 3, protection component 5 includes circular arc type protection casing 11, supporting seat 13 and supporting ring 14, supporting ring 14 fixed connection is on thermal bulb 3 surface, supporting seat 14 top is through supporting

seat

13 and 11 fixed connection of circular arc type protection casing, circular arc type protection casing 11 cup joints the terminal surface position at

thermal bulb

3, and 11 surperficial circumference equidistance of circular arc type protection casing are provided with through-

hole

12, 11 terminal surface fixedly connected with rubber pad 15 of circular arc type protection casing, the terminal surface position of rubber pad 15 bonds and has crashproof board 16.

It should be noted that the protection assembly 5 includes an arc-shaped protection cover 11, a support base 13 and a support ring 14, the bottom of the arc-shaped protection cover 11 is fixedly connected with the support ring 14 through the support base 13, and the arc-shaped protection cover 11 performs an anti-abrasion protection treatment on the end face position of the thermal bulb 3 to maintain the integrity of the external structure thereof; the end face of the arc-shaped protective cover 11 is fixedly connected with an anti-collision plate 16 through a rubber pad 15, and the anti-collision plate 16 carries out protection treatment on the arc-shaped protective cover 11.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A high-temperature expansion valve with a stable temperature sensing structure comprises a valve body (1), a capillary tube (2) and a temperature sensing bulb (3), and is characterized in that the upper part of the valve body (1) is fixedly connected with the temperature sensing bulb (3) through the capillary tube (2);

an assembly component (4) is mounted outside the temperature sensing bulb (3), the assembly component (4) comprises a back plate (6), a traction plate (7), a limiting pad A (9) and a limiting pad B (10), an assembly groove is formed in the outer surface of the back plate (6), the traction plate (7) is fixedly connected to the middle of the assembly groove of the back plate (6), a traction hole (8) is formed in the surface of the traction plate (7), and the limiting pad A (9) and the limiting pad B (10) are respectively bonded inside the assembly groove of the back plate (6);

and a protection component (5) is arranged on the end face of the thermal bulb (3).

2. The high temperature expansion valve with a stable temperature sensing structure according to claim 1, wherein the position limiting pads a (9) and B (10) are respectively located at the upper and lower sides of the traction plate (7), and positioning slots are respectively disposed between the position limiting pads a (9) and B (10) and the traction plate (7).

3. A high-temperature expansion valve with a stable temperature sensing structure according to claim 1, wherein the drawing hole (8) is formed in an elliptical shape.

4. A high temperature expansion valve with stable temperature sensing structure according to claim 1, wherein the protection assembly (5) comprises an arc-shaped protection cover (11), a supporting base (13) and a supporting ring (14), the supporting ring (14) is fixedly connected to the surface of the thermal bulb (3), and the supporting ring (14) is fixedly connected to the arc-shaped protection cover (11) through the supporting base (13).

5. The high temperature expansion valve with the stable temperature sensing structure according to claim 4, wherein the arc-shaped protection cover (11) is sleeved on the end face of the thermal bulb (3), and through holes (12) are equidistantly arranged on the circumference of the surface of the arc-shaped protection cover (11).

6. The high temperature expansion valve with stable temperature sensing structure as claimed in claim 4, wherein a rubber pad (15) is fixedly connected to the end surface of the arc-shaped protection cover (11), and an anti-collision plate (16) is bonded to the end surface of the rubber pad (15).