CN217519317U

CN217519317U - Refrigeration solenoid valve

Info

Publication number: CN217519317U
Application number: CN202221389974.XU
Authority: CN
Inventors: 薛建军; 李秀红
Original assignee: Anhui Tianhao Refrigeration Equipment Co ltd
Current assignee: Anhui Tianhao Refrigeration Equipment Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-30
Anticipated expiration: 2032-06-06

Abstract

The utility model relates to a solenoid valve technical field, specifically speaking relates to a refrigeration solenoid valve, which comprises an outer shell, the fixed end cap that sets up in the inside upper end of shell, the end cap both sides are equipped with solenoid, the end cap lower extreme links to each other with the upper end of spring, the lower extreme of spring links to each other with the magnetic core, the magnetic core slides and sets up in the cover pipe, the both sides of sheathed tube upper end link to each other with the both sides of end cap respectively, the fixed inside lining that sets up of sheathed tube lower extreme, the discharge gate is seted up to the inside lining upper end, discharge gate and steel ball laminating, the fixed lower extreme that sets up at the magnetic core of steel ball, the inside lining lower extreme is equipped with the discharging pipe, the position that the sleeve pipe lower extreme is close to the discharge gate is equipped with the inlet pipe. The utility model discloses, extend through adding the sleeve pipe extension, replace original brass body, increase the inside lining and replace original brass base in the lantern ring is inside, removed the high frequency induction welding between brass and the stainless steel sleeve from, guaranteed disposable product percent of pass.

Description

Refrigeration solenoid valve

Technical Field

The utility model relates to a solenoid valve technical field, specifically speaking relates to a refrigeration solenoid valve.

Background

The refrigeration electromagnetic valve is a small-flow, hard-sealing and direct-acting electromagnetic valve, is applied to automatic control and protection loops of refrigeration systems such as air conditioners, ice makers, ice cream makers and dehumidifiers, and is used for defrosting, flow direction control, on-off control and the like of the refrigeration systems.

However, in the prior art, the conventional solenoid valve is formed by welding a brass body and a brass base, and has the disadvantages of complex structure, multiple processes, difficult welding, high cost, low qualification rate of semi-finished products and finished products, and poor sealing performance of the steel ball and the lining in the solenoid valve in compression joint molding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigeration solenoid valve to solve the problem that proposes in the above-mentioned background art.

In order to realize the above purpose, the utility model provides a refrigeration solenoid valve, which comprises an outer shell, the fixed end cap that sets up in the inside upper end of shell, the end cap both sides are equipped with solenoid, the end cap lower extreme links to each other with the upper end of spring, the lower extreme of spring links to each other with the magnetic core, the magnetic core slides and sets up in the cover pipe, the both sides of sheathed tube upper end respectively with the both sides of end cap link to each other, the fixed inside lining that sets up of sheathed tube lower extreme, the discharge gate has been seted up to the inside lining upper end, discharge gate and steel ball laminating, the steel ball is fixed to be set up the lower extreme of magnetic core, the inside lining lower extreme is equipped with the discharging pipe, the cover pipe lower extreme is close to the position of discharge gate is equipped with the inlet pipe.

As a further improvement of the technical scheme, two sides of the lower end of the plug are provided with symmetrical grooves, the grooves are in plug-in fit with the lugs, and the lugs are symmetrically arranged at the upper end of the magnetic core.

As a further improvement of the technical scheme, a pointed cone is fixedly arranged at the lower end of the steel ball, and the pointed cone is matched with the discharge hole.

As a further improvement of the technical scheme, a mounting plate is fixedly arranged on one side of the lower end of the sleeve, a water tank is arranged in the mounting plate, and a heating element is arranged on one side of the water tank.

As a further improvement of the technical scheme, the mounting plate is of a U-shaped structure, and the mounting plate is matched with a frame at the lower end of the water tank in a clamping mode.

As a further improvement of the technical scheme, a water inlet pipe is arranged at the upper end of the water tank, and a spiral cover is arranged at the upper end of the water inlet pipe.

As a further improvement of the technical scheme, a heat conducting plate is arranged on one side of the water tank, and the other side of the heat conducting plate is connected with the side wall of the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

in the refrigeration electromagnetic valve, the sleeve is lengthened and extended to replace the original brass body, the lining is added in the sleeve ring to replace the original brass base, the high-frequency induction welding between the brass and the stainless steel sleeve is avoided, and the one-time product qualification rate is ensured; make solenoid valve overall structure simple simultaneously, also make inlet pipe, discharging pipe and inside lining can carry out disposable flame welding, reduce the cost of manufacture, secondly make the solenoid valve form a whole through sheathed tube extension to leakproofness when having improved steel ball and inside lining contact.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of the whole structure of the embodiment of the present invention;

fig. 3 is a second cross-sectional view of the overall structure of the embodiment of the present invention;

fig. 4 is the utility model discloses water tank, mounting panel structure split sketch map.

The various reference numbers in the figures mean:

1. a housing; 2. a plug; 21. a groove; 3. an electromagnetic coil; 4. a sleeve; 41. mounting a plate; 5. a magnetic core; 51. a bump; 52. a spring; 53. a steel ball; 54. a pointed cone; 6. a liner; 61. a feed inlet; 7. a feed pipe; 71. a discharge pipe; 8. a water tank; 81. a heating member; 82. screwing a cover; 9. a heat conducting plate.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In an embodiment, please refer to fig. 1-4, the embodiment provides a refrigeration solenoid valve, which includes a housing 1, a plug 2 is fixedly disposed at an upper end inside the housing 1, electromagnetic coils 3 are disposed at two sides of the plug 2, a lower end of the plug 2 is connected to an upper end of a spring 52, a lower end of the spring 52 is connected to a magnetic core 5, the magnetic core 5 is slidably disposed in a sleeve 4, two sides of an upper end of the sleeve 4 are respectively connected to two sides of the plug 2, wherein the sleeve 4 is made of stainless steel and is elongated and extended, the liner 6 is located inside the sleeve 4, there are few manufacturing processes, a liner 6 is fixedly disposed at a lower end of the sleeve 4, a feed port 61 is disposed at an upper end of the liner 6, the feed port 61 is attached to a steel ball 53, the steel ball 53 is fixedly disposed at a lower end of the magnetic core 5, a discharge pipe 71 is disposed at a lower end of the liner 6, and a feed pipe 7 is disposed at a position of a lower end of the sleeve 4, which is close to the feed port 61.

In this embodiment, the electromagnetic coil 3 is energized to generate a magnetic field, so that the magnetic core 5 moves upward to contact with the plug 2, and simultaneously the spring 52 is compressed, so that the steel ball 53 is removed from the inlet 61 at the upper end of the liner 6, and at this time, the fluid entering the inlet pipe 7 enters the sleeve 4 and flows to the outlet pipe 71 through the inlet 61.

In order to enhance the stability of the magnetic core 5 during operation, two sides of the lower end of the plug 2 are provided with symmetrical grooves 21, the grooves 21 are in plug fit with the protrusions 51, the protrusions 51 are symmetrically arranged at the upper end of the magnetic core 5, and when the magnetic core 5 is in contact with the plug 2, the protrusions 51 are inserted into the grooves 21 to enhance the stability of the magnetic core 5.

Considering that some water vapor with lower temperature may form ice at the feed port 61 by using the electromagnetic valve for a long time, so as to influence the fluid flow, the pointed cone 54 is fixedly arranged at the lower end of the steel ball 53, and when the pointed cone 54 is matched with the feed port 61 and the steel ball 53 moves up and down, the ice at the feed port 61 can be treated by using the pointed cone 54, so that the normal fluid flow is ensured.

Considering long-time use, some steam with low temperature may form ice on the inner wall of the sleeve 4, the mounting plate 41 is fixedly arranged on one side of the lower end of the sleeve 4, the water tank 8 is arranged in the mounting plate 41, the heating element 81 is arranged on one side of the water tank 8, the heating pipe is embedded in the heating element 81, and the water in the water tank 8 is heated by the heat generated after the heating pipe is powered on, so that the sleeve 4 is heated, and the ice melting is promoted.

Wherein, water tank 8 one side is equipped with heat-conducting plate 9, and heat-conducting plate 9 opposite side links to each other with sleeve pipe 4 lateral wall, utilizes heat-conducting plate 9 to give sleeve pipe 4 with the temperature transfer, heats the inside intensification of sleeve pipe 4 to ice melting is quickened.

In order to facilitate the replacement of the water inside the water tank 8, the mounting plate 41 is of a U-shaped structure, and the mounting plate 41 is in clamping fit with the lower end frame of the water tank 8 and is connected with the lower end frame of the water tank by clamping, so that the water tank 8 can be detached from the mounting plate 41 of the U-shaped structure.

Furthermore, the upper end of the water tank 8 is provided with a water inlet pipe, the upper end of the water inlet pipe is provided with a screw cap 82, the screw cap 82 is rotated, and after the screw cap 82 is taken down, the water in the water tank 8 can be replaced.

The utility model is used for the refrigeration solenoid valve is when specifically using, produce magnetic field after solenoid 3 circular telegram, make magnetic core 5 rebound and end cap 2 contact, lug 51 inserts in the recess 21, improve the stability of magnetic core 5, magnetic core 5 extrusion spring 52, thereby make steel ball 53 remove from feed inlet 61 department of the 6 upper ends of inside lining, the fluid that gets into in the inlet pipe 7 this moment gets into back in the sleeve pipe 4, in flow direction discharging pipe 71 through feed inlet 61 department, when the solenoid valve is closed, solenoid 3's magnetic field disappears, spring 52's elasticity resets magnetic core 5, steel ball 53 shelters from feed inlet 61, pointed cone 54 gets into in the feed inlet 61, the fluid can't pass through, wherein sleeve pipe 4 adopts integrated into one piece's stainless steel, with magnetic core 5, inside lining 6, inlet pipe 7, discharging pipe 71 wraps up, reduce the preparation process, reduce the cost of manufacture.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A refrigeration solenoid valve comprising a casing (1), characterized in that: the fixed end cap (2) that sets up in inside upper end of shell (1), end cap (2) both sides are equipped with solenoid (3), end cap (2) lower extreme links to each other with the upper end of spring (52), the lower extreme of spring (52) links to each other with magnetic core (5), magnetic core (5) slide and set up in sleeve pipe (4), the both sides of the upper end of sleeve pipe (4) respectively with the both sides of end cap (2) link to each other, the lower extreme of sleeve pipe (4) is fixed to set up inside lining (6), feed inlet (61) is seted up to inside lining (6) upper end, feed inlet (61) and steel ball (53) laminating, steel ball (53) are fixed to be set up the lower extreme of magnetic core (5), inside lining (6) lower extreme is equipped with discharging pipe (71), sleeve pipe (4) lower extreme is close to the position of feed inlet (61) is equipped with inlet pipe (7).

2. The refrigeration solenoid valve as recited in claim 1, wherein: symmetrical grooves (21) are formed in two sides of the lower end of the plug (2), the grooves (21) are in plug-in fit with the bumps (51), and the bumps (51) are symmetrically arranged at the upper end of the magnetic core (5).

3. The refrigeration solenoid valve as recited in claim 2, wherein: the lower end of the steel ball (53) is fixedly provided with a pointed cone (54), and the pointed cone (54) is matched with the feeding hole (61).

4. The refrigeration solenoid valve as recited in claim 1, wherein: one side of sleeve pipe (4) lower extreme is fixed to be set up mounting panel (41), be equipped with water tank (8) in mounting panel (41), water tank (8) one side is equipped with heating member (81).

5. The refrigeration solenoid valve as recited in claim 4, wherein: the mounting plate (41) is of a U-shaped structure, and the mounting plate (41) is matched with a lower end frame of the water tank (8) in a clamping mode.

6. The refrigeration solenoid valve as recited in claim 5 wherein: the water tank (8) upper end is equipped with the inlet tube, the inlet tube upper end is equipped with spiral cover (82).

7. The refrigeration solenoid valve as recited in claim 6, wherein: and a heat-conducting plate (9) is arranged on one side of the water tank (8), and the other side of the heat-conducting plate (9) is connected with the side wall of the sleeve (4).