CN215720900U

CN215720900U - Axially assembled electromagnetic valve

Info

Publication number: CN215720900U
Application number: CN202121159234.2U
Authority: CN
Inventors: 江明威; 敖林
Original assignee: Hanyu Group JSCL
Current assignee: Hanyu Group JSCL
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-02-01
Anticipated expiration: 2031-05-27

Abstract

An axially assembled solenoid valve comprising: a valve body 40, the valve body 40 having an open valve chamber 41, the valve chamber 41 having a water inlet 412 and a water outlet 413; a valve cover 20 connected with the valve body 40 and closing the valve cavity opening 411; an opening and closing member 30 including a valve film 31, the valve film 31 being interposed between the valve body 40 and the bonnet 20; the valve cover 20 is provided with a protrusion 3111 at a periphery of one side of the valve film 31, a groove 223 for the protrusion 3111 to be inserted into, and the valve body 40 is pressed at a periphery of the other side of the valve film 31. The valve cover 20, the opening and closing member 30 and the valve body 40 are assembled in the axial direction, the valve film 31 is embedded and fixed through the protrusion 3111 of the valve film and the groove 223 of the valve cover 20, and the valve film 31 and the valve cover 20 are simply installed and positioned and are convenient for automatic operation. And the valve cover 20, the opening and closing piece 30 and the valve body 40 are coaxially maintained in the axial assembly, so that the action of the opening and closing piece 30 is more accurate, and the opening and closing reliability of the electromagnetic valve is higher.

Description

Axially assembled electromagnetic valve

Technical Field

The utility model belongs to the field of solenoid valve preparation, and particularly relates to an axially assembled solenoid valve, wherein IPC classification belongs to F16K 31/06.

Background

In the washing machine, the solenoid valve functions to switch a water source. Like chinese utility model patent CN211371369U, adopt valve body 40 and valve gap 20 screwed connection's mode, low in manufacturing cost, the simple installation, the form that leads to moreover still accords with the demand of many rivers passageways of washing machine, nevertheless easily because of coil 10 installation distance each other is too near and mutual interference when a plurality of solenoid valves assemble on a valve body 40, if increase valve body 40 in order to pull open installation distance, then increased material cost, occupied too much overall space again.

With regard to terms and knowledge, except for those specified in the specification, see "IEC electric and electronic standard term dictionary" (1 st edition of Chinese Standard Press 1992), "Electrical apparatus manufacturing technology" (1 st edition of mechanical industry Press 1982), "mechanical engineering Manual", and "Motor engineering Manual" (1 st edition of mechanical industry Press 1978 and 2 nd edition 1997), as well as national standard GB14536.9 "Special requirements (including mechanical requirements) for electric automatic water valves for domestic and similar electric automatic controllers, GB/T21465-2008" valve terms ", and national light industry Standard QB/T1291" Water inflow solenoid valves for automatic washing machines ".

Disclosure of Invention

The utility model solves the technical problem of providing an axial assembly electromagnetic valve which has a compact structure and is convenient for realizing automatic assembly. The technical scheme adopted by the utility model is as follows:

an axially assembled solenoid valve comprising: a valve body 40, the valve body 40 having an open valve chamber 41, the valve chamber 41 having a water inlet 412 and a water outlet 413; a valve cover 20 connected with the valve body 40 and closing the valve cavity opening 411; an opening and closing member 30 including a valve film 31, the valve film 31 being interposed between the valve body 40 and the bonnet 20; the valve cover 20 is provided with a protrusion 3111 at a periphery of one side of the valve film 31, a groove 223 for the protrusion 3111 to be inserted into, and the valve body 40 is pressed at a periphery of the other side of the valve film 31.

Further, the bottom surface of the groove 223 is provided with a first rib 224.

Further, the valve body 40 is formed with a valve body end surface 42 extending radially from the valve cavity opening 411, and the valve body end surface 42 is provided with a second rib 421 surrounding the valve cavity opening 411.

Further, the valve body 40 and the valve cover 20 are fixed by screw connection.

Further, the valve body 40 has at least two valve cavities 41, and the water inlets 412 of the valve cavities 41 are communicated with each other; the valve covers 20 are integrally formed, and the number of the valve cavities 41 is the same.

The utility model has the following beneficial effects:

(1) the valve cover 20, the opening and closing member 30 and the valve body 40 are assembled in the axial direction, the valve film 31 is embedded and fixed through the protrusion 3111 of the valve film and the groove 223 of the valve cover 20, and the valve film 31 and the valve cover 20 are simply installed and positioned and are convenient for automatic operation. And the valve cover 20, the opening and closing piece 30 and the valve body 40 are coaxially maintained in the axial assembly, so that the action of the opening and closing piece 30 is more accurate, and the opening and closing reliability of the electromagnetic valve is higher.

(2) The first ribs 224 press the valve film 31 to be deformed in the axial assembly of the valve cover 20 and the valve film 31, so that the sealing contact area between the groove 223 of the valve cover 20 and the protrusion 3111 of the valve film 31 is increased, enhancing the sealing effect.

(3) The second ribs 421 press the valve membrane 31 to deform during the axial assembly of the valve body 40 and the valve membrane 31, so that the sealing contact area between the valve membrane 31 and the valve body 40 is increased, and the sealing effect is enhanced.

(4) The valve cover 20 and the valve body 40 are in fixed connection in the axial direction through screws, the valve body 40 and the valve cover 20 cannot rotate relatively, deformation and even dislocation of the valve membrane 31 due to torsion are avoided, and the sealing effect between the valve body 40 and the valve cover 20 is guaranteed.

(5) Compared with the prior patent CN211371369U of the applicant, the axial assembly mode of the valve cover 20 and the valve body 40 saves the installation space of a single coil 10 which needs to be reserved for other coils 10 when a plurality of coils 10 are in threaded connection with the valve body 40, the arrangement of the coils 10 is more compact, and the valve cover 20 is integrally formed, so that the fixed connection between the coils 10 is simple and reliable, the production cost is reduced, and the production efficiency is improved.

Drawings

FIG. 1 is a sectional view of a solenoid valve described in embodiment 1 of the utility model;

FIG. 2 is a schematic view of the axial assembly of the valve cover and the valve diaphragm in example 1 of the present invention;

FIG. 3 is a schematic view of the axial assembly of the valve body and the valve membrane in embodiment 1 of the present invention;

FIG. 4 is a schematic view of a modified design of the valve cover described in example 1 of the present invention;

FIG. 5 is a schematic view of an axial assembly of the solenoid valve described in embodiment 1 of the present invention;

fig. 6 is an axial assembly schematic view of the solenoid valve having a one-inlet-two-outlet waterway structure according to embodiment 2 of the present invention;

fig. 7 is a cross-sectional view of the valve body of the solenoid valve having a one-inlet-two-outlet waterway structure according to embodiment 2 of the present invention;

fig. 8 is an axial assembly schematic view of the solenoid valve having a one-in three-out water path structure in embodiment 2 of the present invention;

fig. 9 is a sectional view of the valve body of the electromagnetic valve having a one-in three-out water passage structure in embodiment 2 of the utility model;

fig. 10 is an axial assembly schematic view of the solenoid valve having a one-in four-out water passage structure in embodiment 2 of the present invention;

fig. 11 is a sectional view of the valve body of the electromagnetic valve having a one-in four-out water passage structure in embodiment 2 of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments.

A first embodiment of the present invention provides an axially assembled solenoid valve, as shown in fig. 1, including a coil 10, a valve cover 20, a closure 30, and a valve body 40. The coil 10 is formed by wrapping the winding 11 and the framework 12 with BMC thermosetting plastic, and a connecting terminal 13 electrically connected with the winding 11 is extended through the plastic to connect with a power supply.

The valve cover 20 is injection molded of plastic on the basis of the coil 10, and has a sleeve portion 21 and an opening portion 22. The sleeve portion 21 has a tubular shape, is formed in the central hole of the coil 10, and is provided with a sleeve opening 211 at the end face of the coil 10. The opening portion 22 is bowl-shaped, and the bottom 221 thereof extends from the sleeve opening 211 along the end face of the coil 10 and is embedded on the end face of the coil 10; the wall 222 is surrounded by a circular edge protruding from the end face of the coil 10, and a groove 223 is formed on the top of the wall 222.

As shown in fig. 1 and 2, the opening and closing member 30 includes a valve membrane 31 and a valve plug 32. The valve diaphragm 31 is an annular rubber member, and has an outer ring portion 311 having a protrusion 3111 formed on a side facing the valve cover 20 and inserted into the groove 223, and an inner ring portion 312 integrally protruded in a truncated cone shape with respect to the outer ring portion 311. The connection between the inner ring portion 312 and the outer ring portion 311 is movable such that the inner ring portion 312 can be displaced axially. The valve plug 32 is sealingly inserted through both ends of the central hole 3121 of the inner ring portion 312 of the valve film 31, and a flow hole 321 is formed in the middle thereof to communicate with both sides of the valve plug 32. The sleeve part 21 of the valve cover 20 is provided with a movable iron core 51 and a spring 52, the tail end of the movable iron core 51 is connected with the bottom of the sleeve part 21 through the spring 52, the movable iron core 51 can axially move in the sleeve part 21, the movable iron core operates to block the flow hole 321 when the coil 10 is not electrified, and the movable iron core operates to conduct the flow hole 321 when the coil 10 is electrified.

As shown in fig. 1 and 3, the valve body 40 is in the form of a shell, and the internal cavity forms a valve chamber 41. The valve chamber opening 411 is formed by radially extending the valve body end face 42, and the valve body end face 42 is pressed against the outer ring portion 311 of the valve diaphragm 31. The valve chamber 41 is provided with a water inlet 412 and a water outlet 413, a circular surrounding edge protruding towards the valve chamber opening 411 is arranged around the water outlet 413 to form a valve seat 43, the inner ring part 312 of the valve membrane 31 is in contact with the valve seat 43 to form a pair of sealing pairs, and the communication between the water inlet 412 and the water outlet 413 is switched on or off along with the action of the movable iron core 51.

In assembling, the spring 52 and the movable iron core 51 are sequentially installed in the sleeve portion 21 of the bonnet 20, the valve diaphragm 31 and the valve plug 32 which are pre-assembled into a whole are embedded above the opening portion 22 of the bonnet 20, finally, the valve body 40 is pressed on the bonnet 20 in a pressing mode, the end face of the valve seat 43 is in contact with the inner ring portion 312 of the valve diaphragm 31 in a bonding mode, the head end of the movable iron core 51 is in contact with the flow hole 321 of the valve plug 32, and the valve body end face 42 and the groove 223 of the bonnet 20 press and fix the outer ring portion 311 of the valve diaphragm 31. The first embodiment realizes the axial assembly of the valve cover 20, the opening and closing member 30 and the valve body 40, the valve film 31 is embedded and fixed with the groove 223 of the valve cover 20 through the protrusion 3111 of the valve film, and the valve film 31 and the valve cover 20 are simply installed and positioned, thereby being convenient for automatic operation. Moreover, the valve cover 20, the opening and closing member 30 and the valve body 40 are coaxially maintained during the axial assembly, the movement of the opening and closing member 30 is more accurate, and the reliability of opening and closing the solenoid valve is higher.

The first embodiment has one of the following specific designs for the sealing structure between the groove 223 of the valve cover 20 and the protrusion 3111 of the valve film 31, as shown in fig. 1 and 4, the bottom surface of the groove 223 is provided with the first rib 224, the protrusion 3111 of the valve film 31 is embedded into the groove 223, and the first rib 224 presses the valve film 31 to deform, so that the sealing contact area between the groove 223 of the valve cover 20 and the protrusion 3111 of the valve film 31 is increased, and the sealing effect is enhanced.

In the first embodiment, the second specific design is provided for the sealing structure between the valve body end face 42 of the valve cover 20 and the valve membrane 31, as shown in fig. 3, the second ribs 421 are annularly arranged on the outer edge of the valve cavity opening 411 on the valve body end face 42, and the second ribs 421 press the valve membrane 31 to deform in the axial assembling process of the valve body 40 and the valve membrane 31, so that the valve membrane 31 and the valve body 40 are attached and contacted more tightly, and the sealing effect is enhanced.

In the first embodiment, a third specific design is provided for an axial assembly manner between the valve cover 20 and the valve body 40, as shown in fig. 5, a plurality of screw holes 61 are axially and correspondingly arranged on the valve cover 20 and the valve body 40, and the valve body 40 and the valve cover 20 are axially and fixedly connected through screws 62, so that the valve body 40 and the valve cover 20 cannot rotate relatively, the valve membrane 31 is prevented from being deformed or even dislocated due to torsion, and the sealing effect between the valve body 40 and the valve cover 20 is ensured.

The second embodiment of the utility model provides an axially assembled electromagnetic valve, which is based on the first embodiment and improves the valve cover 20 and the valve body 40 to form a one-inlet and two-outlet waterway structure. As shown in fig. 6 and 7, in the second embodiment, the valve caps 20 corresponding to the two coils 10 are formed as an integral structure in one injection molding process, and a valve cavity corresponding to the two valve caps 20 is provided on one valve body 40.

The valve body 40 includes a main flow passage 43, and a first valve chamber 44 and a second valve chamber 45 that directly communicate with the main flow passage 43. The main flow channel 43 is a straight flow channel, and one end of the main flow channel is provided with a water inlet 431 for connecting a water source. The first valve chamber 44 and the second valve chamber 45 are respectively disposed at both sides of the main flow passage 43, and output water through respective water outlets 413.

Compared with the prior patent CN211371369U of the applicant, the axial assembly mode of the valve cover 20 and the valve body 40 saves the installation space of a single coil 10 which needs to be reserved for other coils 10 when a plurality of coils 10 are in threaded connection with the valve body 40, the arrangement of the coils 10 is more compact, and the valve cover 20 is integrally formed, so that the fixed connection between the coils 10 is simple and reliable, the production cost is reduced, and the production efficiency is improved.

In the second embodiment, the waterway structure formed by the valve body 40 is designed alternatively as shown in fig. 8 and 9, the valve body 40 can form a waterway structure with one inlet and three outlets, and the valve body 40 is provided with a main flow passage 43 and three first valve chambers 44, second valve chambers 45 and third valve chambers 46 which are respectively and directly communicated with the main flow passage 43. The first valve chamber 44, the second valve chamber 45 are respectively disposed at both sides of the main flow passage 43, and the third valve chamber 46 is disposed at a distal end of the main flow passage 43. Alternatively, as shown in fig. 10 and 11, the valve body 40 may form a waterway structure with four inlets and four outlets, and the valve body 40 is provided with a main flow passage 43, four first valve chambers 44, four second valve chambers 45, a third valve chamber 46 and a fourth valve chamber 47 which are respectively directly communicated with the main flow passage 43. The first valve chamber 44, the second valve chamber 45, the third valve chamber 46 and the fourth valve chamber 47 are symmetrically arranged on both sides of the main flow passage 43. The layout of various waterway structures is realized through the structural design of the valve body 40, the process is simple, and the cost is low.

While particular embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the described embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An axially assembled solenoid valve comprising: a valve body (40), the valve body (40) having an open valve cavity (41), the valve cavity (41) having a water inlet (412) and a water outlet (413); a valve cover (20) connected with the valve body (40) and closing the valve cavity opening (411); the opening and closing piece (30) comprises a valve film (31), and the valve film (31) is clamped between the valve body (40) and the valve cover (20); the valve cover is characterized in that a protrusion (3111) is arranged on the periphery of one side of the valve film (31), a groove (223) for the protrusion (3111) to be embedded into is formed in the valve cover (20), and the valve body (40) is pressed on the periphery of the other side of the valve film (31).

2. An axially fitted solenoid valve according to claim 1, wherein the bottom surface of said groove (223) is provided with a first rib (224).

3. The axially mounted solenoid valve according to claim 1, wherein the valve body (40) has a valve body end face (42) extending radially from the valve chamber opening (411), the valve body end face (42) being provided with second ribs (421) surrounding the valve chamber opening (411).

4. The axially assembled solenoid valve of claim 1 wherein the valve body (40) and valve cover (20) are secured by a screw connection.

5. The axially assembled solenoid valve according to any one of claims 1 to 4, characterized in that said valve body (40) has at least two said valve chambers (41), the water inlets (412) of said valve chambers (41) communicating with each other; the valve covers (20) are integrally formed, and the number of the valve covers is the same as that of the valve cavities (41).