CN217719175U

CN217719175U - Expansion valve sealing coil

Info

Publication number: CN217719175U
Application number: CN202221602974.3U
Authority: CN
Inventors: 钱正伟; 钱俊
Original assignee: Wuxi Ccino Electric Co ltd
Current assignee: Wuxi Ccino Electric Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-01
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses an expansion valve sealing coil, the electric iron comprises a coil body, the surface fixed connection waterproof layer of coil body, the first hard layer of surface fixed connection of waterproof layer, a plurality of recess is seted up to the surface on first hard layer, the inside fixed connection round bar of recess, the hard layer of one end fixed connection second of round bar, the surface fixed connection protective layer on the hard layer of second, the surface fixed connection high temperature resistant layer of protective layer, the surface fixed connection water proof membrane on high temperature resistant layer. The device can avoid the coil to damage by the wearability of coil, influences sealed effect, through the first hard layer of the externally mounted at the coil body and the hard layer of second to set up the round bar between the two, can the intensity of coil, make it wear-resisting, through setting up waterproof layer, high temperature resistant layer and water proof membrane, can improve waterproof and the high temperature resistance ability of coil, prolong the live time of coil.

Description

Expansion valve sealing coil

Technical Field

The utility model belongs to the technical field of the expansion valve, concretely relates to expansion valve sealing coil.

Background

When the coil on the expansion valve is used for a long time, the self abrasion of the coil can cause the deterioration of the sealing effect, thereby influencing the normal use of the expansion valve.

The Chinese patent with publication number [ CN208352040U ], the content is: the high-temperature-resistant insulating material for the sealing coil comprises two insulating layers which are stacked, wherein each insulating layer comprises a first double-sided heat-resistant fiber non-woven fabric layer, a polyimide film layer and a second double-sided heat-resistant fiber non-woven fabric layer which are sequentially stacked, and the insulating material further comprises a halogen-free flame-retardant epoxy adhesive layer arranged on the surface of one insulating layer.

Although the above-mentioned comparison document has better mechanical strength, electrical performance and heat resistance, the sealing ring in the above-mentioned comparison document does not have wear resistance, and the sealing ring is worn and damaged under long-term use, which affects the normal use of the sealing ring.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an expansion valve sealing coil to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an expansion valve sealing coil, includes the coil body, the surface fixed connection waterproof layer of coil body, the first stereoplasm layer of surface fixed connection of waterproof layer, a plurality of recess is seted up to the surface on first stereoplasm layer, the inside fixed connection round bar of recess, the one end fixed connection second stereoplasm layer of round bar, the position that a side and the recess on second stereoplasm layer correspond is seted up with recess assorted circular recess, the one end setting of round bar is in the inside of circular recess to with the interior bottom fixed connection of circular recess, the surface fixed connection protective layer on second stereoplasm layer, the surface fixed connection high temperature resistant layer of protective layer, the surface fixed connection water proof membrane on high temperature resistant layer, the surface fixed connection elastic layer of water proof membrane, the anti extrusion layer of surface fixed connection of elastic layer, the anti extrusion layer sets up to annular shape to closely wrap up the elastic layer, the one end of elastic strut runs through anti extrusion layer.

The height of pole is greater than the recess degree of depth 1mm, the pole sets up to a plurality of to even installing in the inside of every recess, the length of pole is greater than the degree of depth of recess, conveniently with the one end and the second hard layer fixed connection of connecting rod, thereby increase the wearability of coil.

The outer fixed surface of elastic layer connects elastic branch, elastic branch slope sets up the surface at the elastic layer, elastic branch sets up to three to all set up in a side of elastic layer, the outer fixed surface of elastic layer connects elastic branch, conveniently stimulates elastic branch, so that take off the coil.

The waterproof layer closely wraps the surface of coil body, the waterproof layer surface and first stereoplasm layer zonulae occludens, and the waterproof layer closely wraps the surface of coil body, prevents that external water from permeating the position of coil body, avoids the coil body to damage, influences the use.

The utility model discloses a technological effect and advantage: the utility model provides an expansion valve sealing coil, sets up first stereoplasm layer through the outside at the coil body to at the surface mounting pole on first stereoplasm layer, the one end and the second stereoplasm layer fixed connection of pole improve coil intensity, so that increase the wearability of coil, guarantee coil normal use, and extend the live time of coil, the device can avoid the coil to damage, influence sealed effect, convenient operation, and is simple by the wearability of coil.

Drawings

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

FIG. 2 is a schematic diagram of a first rigid plate structure;

fig. 3 is a schematic side view of the elastic layer.

In the figure: 1. a coil body; 2. a waterproof layer; 3. a first hard layer; 4. a groove; 5. a round bar; 6. a second hard layer; 7. a protective layer; 8. a high temperature resistant layer; 9. a water-resistant film; 10. an elastic layer; 11. an elastic strut; 12. an anti-extrusion layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an expansion valve sealing coil as shown in fig. 1-3, including coil body 1, coil body 1's external fixed surface connects waterproof layer 2, the first hard layer 3 of external fixed surface connection of waterproof layer 2, a plurality of recess 4 is seted up to the surface of first hard layer 3, the inside fixed connection round bar 5 of recess 4, the one end fixed connection second hard layer 6 of round bar 5, coil body 1's outside sets up first hard layer 3 and second hard layer 6 to at the fixed position installation round bar 5 between the two, can increase the inside intensity of coil, thereby improve coil bulk strength, improve the wearability of coil, prolong the live time of coil.

The outer fixed surface of second stereoplasm layer 6 connects protective layer 7, the outer fixed surface of protective layer 7 connects high temperature resistant layer 8, the outer fixed surface of high temperature resistant layer 8 connects water proof membrane 9, the outer fixed surface of water proof membrane 9 connects elastic layer 10, and the outside of coil body 1 sets up high temperature resistant layer 8, can avoid external high temperature or friction to rise the heat and cause the damage to the coil, through setting up water proof membrane 9, can improve the waterproof performance of coil to extension coil live time.

The height of round bar 5 is greater than the degree of depth 1mm of recess 4, round bar 5 sets up to a plurality of to even installation is in the inside of every recess 4. The outer fixed surface of elastic layer 10 connects elastic strut 11, elastic strut 11 slope sets up the surface at elastic layer 10, elastic strut 11 sets up to three to all set up the side at elastic layer 10. The waterproof layer 2 wraps the outer surface of the coil body 1 tightly, and the outer surface of the waterproof layer 2 is tightly connected with the first hard layer 3. And a circular groove matched with the groove 4 is formed in the position, corresponding to the groove 4, of one side surface of the second hard layer 6, and one end of the round rod 5 is arranged in the circular groove and fixedly connected with the inner bottom of the circular groove.

The outer surface of the elastic layer 10 is fixedly connected with an anti-extrusion layer 12, the anti-extrusion layer 12 is arranged in an annular shape and tightly wraps the elastic layer 10, and one end of the elastic supporting rod 11 penetrates through the anti-extrusion layer 12.

When specifically using, the surface fixed mounting waterproof layer 2 of coil body 1, can avoid external water to permeate the position of coil body 1, cause the damage to coil body 1, thereby influence whole use, through the first hard layer 3 of surface fixed connection at waterproof layer 2, the surface fixed mounting round bar 5 of first hard layer 3, the one end and the 6 fixed connection in second hard layer of round bar 5, so as to increase the inside intensity of coil, thereby increase the wearability of coil, avoid the coil wearing and tearing under the condition of long-time use, influence sealed effect, set up high temperature resistant layer 8 through setting up in coil body 1's outside, avoid high temperature to coil influence, set up water proof membrane 9 at high temperature resistant layer 8's surface simultaneously, improve the waterproof performance of coil, satisfy the use.

Through the surface mounting elasticity branch 11 at elastic layer 10, when conveniently taking off the coil from the expansion valve, the one end of pulling elasticity branch 11 alright take off the coil from the expansion valve, convenient to use, the device can the wearability of coil, avoids the coil to damage, influences sealed effect, convenient operation, simple.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An expansion valve sealing coil comprises a coil body (1), and is characterized in that: the outer fixed surface of coil body (1) connects waterproof layer (2), the first stereoplasm layer (3) of outer fixed surface connection of waterproof layer (2), a plurality of recess (4) are seted up to the surface of first stereoplasm layer (3), inside fixed connection round bar (5) of recess (4), the one end fixed connection second stereoplasm layer (6) of round bar (5), the outer fixed surface of second stereoplasm layer (6) connects protective layer (7), the outer fixed surface of protective layer (7) connects high temperature resistant layer (8), the outer fixed surface of high temperature resistant layer (8) connects water proof membrane (9), the outer fixed surface of water proof membrane (9) connects elastic layer (10).

2. An expansion valve seal coil according to claim 1, wherein: the height of round bar (5) is greater than recess (4) degree of depth 1mm, round bar (5) set up to a plurality of to even installation is in the inside of every recess (4).

3. An expansion valve seal coil according to claim 1, wherein: the outer fixed surface of elastic layer (10) connects elastic supporting rod (11), elastic supporting rod (11) slope sets up the surface at elastic layer (10), elastic supporting rod (11) set up to three to all set up the side at elastic layer (10).

4. An expansion valve seal coil according to claim 1, wherein: the waterproof layer (2) is tightly wrapped on the outer surface of the coil body (1), and the outer surface of the waterproof layer (2) is tightly connected with the first hard layer (3).

5. An expansion valve seal coil according to claim 1, wherein: and a circular groove matched with the groove (4) is formed in the position, corresponding to the groove (4), of one side face of the second hard layer (6), and one end of the circular rod (5) is arranged inside the circular groove and fixedly connected with the inner bottom of the circular groove.

6. An expansion valve seal coil according to claim 3, wherein: the surface fixed connection anti-extrusion layer (12) of elastic layer (10), anti-extrusion layer (12) set up to annular shape to closely wrap up elastic layer (10), anti-extrusion layer (12) are run through to the one end of elasticity branch (11).