CN211574377U

CN211574377U - Electromagnetic valve and gas water heater

Info

Publication number: CN211574377U
Application number: CN201922497638.1U
Authority: CN
Inventors: 卢宇轩; 刘桦; 江宇; 黄泽典; 张毅
Original assignee: Guangdong Wanhe Thermal Energy Technology Co Ltd
Current assignee: Guangdong Wanhe Thermal Energy Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a solenoid valve and a gas water heater, wherein the solenoid valve comprises a magnetic conduction frame, a bottom plate is arranged at the bottom side of the magnetic conduction frame, a containing space is formed between the magnetic conduction frame and the bottom plate, a first through hole is arranged at the top surface of the magnetic conduction frame, and a second through hole is arranged on the bottom plate; the bottom surface of the coil assembly is provided with a limiting bump/a limiting groove, and the top surface of the bottom plate is correspondingly provided with a limiting groove/a limiting bump which is matched and connected with the limiting bump/the limiting groove on the bottom surface of the coil assembly; the fixed shaft is positioned in the coil assembly, a blind hole is formed in the top end face of the fixed shaft, a positioning column is arranged at the bottom end of the fixed shaft, and the positioning column is inserted into the second through hole; the bottom end of the inner sleeve is inserted into the blind hole; the moving shaft is inserted into the inner sleeve, and the top end of the moving shaft is connected with a sealing cap; the spring cup joints in the outside of moving axis to be located between sealed cap and the magnetic conduction frame, the utility model discloses conveniently be connected to different valve bodies, the commonality is strong, and the performance is more stable during the use.

Description

Electromagnetic valve and gas water heater

Technical Field

The utility model relates to an electrical components, in particular to solenoid valve and gas heater.

Background

The existing structure adopts a C-shaped magnetic conduction support, and the opening structure has the defect that a coil assembly cannot be firmly fixed, so that the coil assembly can move in the magnetic conduction support and even rotate to influence the reliability of the performance of the electromagnetic valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic valve and gas heater to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

first, a solenoid valve includes: the bottom side of the magnetic conduction frame is provided with a bottom plate, a containing space is formed between the magnetic conduction frame and the bottom plate, the top surface of the magnetic conduction frame is provided with a first through hole, and the bottom plate is provided with a second through hole; the coil assembly is positioned in the accommodating space, the bottom surface of the coil assembly is provided with a limiting lug/limiting groove, and the top surface of the bottom plate is correspondingly provided with a limiting groove/limiting lug which is matched and connected with the limiting lug/limiting groove on the bottom surface of the coil assembly; the fixed shaft is positioned in the coil assembly, a blind hole is formed in the top end face of the fixed shaft, a positioning column is arranged at the bottom end of the fixed shaft, the outer diameter of the positioning column is smaller than that of the fixed shaft, and the positioning column is inserted into the second through hole; the inner sleeve penetrates through the first through hole, and the bottom end of the inner sleeve is inserted into the blind hole; the moving shaft is inserted into the inner sleeve, and the top end of the moving shaft is connected with a sealing cap; and the spring is sleeved on the outer side of the moving shaft and is positioned between the sealing cap and the magnetic conduction frame.

The technical scheme at least has the following beneficial effects: the valve body that will peripheral hardware is connected to the top of magnetic conduction frame, direct and valve body contact, the bottom plate is placed in the bottom side of magnetic conduction frame, when having avoided being connected to the bottom of magnetic conduction frame and valve body with the valve body, it keeps away the sky to need to correspond the position fluting that magnetic conduction frame and bottom plate are connected, applicable in the valve body assembly of difference, the commonality is good, magnetic conduction frame forms a symmetrical magnetic circuit with the bottom plate cooperation, make the axle atress even, when coil pack circular telegram, the moving axis drives sealed cap along the length direction back and forth movement of inner skleeve, make the spring compressed or reconversion, because the cooperation that has spacing lug and spacing recess between coil pack and the bottom plate, further inject the structure cooperation between coil pack and the magnetic conduction frame, make coil pack can not rotate, rock, performance during the use is more stable.

As a further improvement of the above technical solution, a sealing plate is disposed at a top end of the inner sleeve, the sealing plate is located at a top side of the magnetic conduction frame, and the inner sleeve and the sealing plate are of an integral structure. Can effectively completely cut off gas and air to need not adorn the sealing washer, avoid the ageing problem that leads to completely cut off the effect poor of sealing washer.

As a further improvement of the technical scheme, a fixing hook bent downwards is arranged on the side edge of the sealing plate and is lapped on the magnetic conduction frame. The sealing plate can be conveniently connected to the magnetic conduction frame by utilizing the fixing hook, and the dismounting and the mounting are convenient.

As a further improvement of the above technical solution, a transition sleeve is arranged at the bottom side of the sealing cap, a supporting plate is arranged around the outer side wall of the transition sleeve, the top surface of the supporting plate abuts against the bottom surface of the sealing cap, and the top end of the spring abuts against the bottom surface of the supporting plate. The top end of the spring is pressed on the sealing cap through the supporting plate, the contact area between the spring and the sealing cap is enlarged by using the supporting plate, and the phenomenon that the spring is directly pressed into the sealing cap due to large elasticity to damage the sealing cap is avoided.

As a further improvement of the technical scheme, a first mounting hole is formed in the top surface of the magnetic conduction frame, and a second mounting hole is formed in the position, opposite to the first mounting hole, of the sealing plate. And connecting pieces are driven into the first mounting hole and the second mounting hole and used for connecting the electromagnetic valve to an external valve body.

As a further improvement of the technical scheme, the outer peripheral wall of the moving shaft is provided with an annular clamping groove, a longitudinal tangent plane is arranged on the moving shaft, and a clamping block is arranged at a position where the inner side wall of the inner sleeve is opposite to the annular clamping groove. When the movable shaft is installed, one surface of the longitudinal section faces the clamping block, the movable shaft smoothly enters the inner sleeve, and then the movable shaft is rotated, so that the longitudinal section does not face the clamping block any more, and the movable shaft only moves in the length direction of the annular clamping groove, and the installation, the test and the sequence rotation of the electromagnetic valve are facilitated.

As a further improvement of the above technical scheme, a magnetic conductive ring is arranged in the coil assembly, and the magnetic conductive ring is sleeved on the outer side of the inner sleeve. The magnetism of moving axis has been strengthened to the magnetic ring.

As a further improvement of the technical scheme, the magnetic conduction frame is detachably connected with the bottom plate. The magnetic conduction frame and the bottom plate are convenient to disassemble, assemble and replace.

Then, the utility model also provides a gas heater, including the water heater body, this internal foretell solenoid valve that is provided with of water heater.

The technical scheme at least has the following beneficial effects: the gas water heater with the electromagnetic valve has more accurate control response to the on-off, segmentation and the like of gas, and has better stability.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded schematic view of the present invention;

fig. 2 is a schematic view of the separated structure of the top plate and the magnetic conduction frame of the present invention;

fig. 3 is a schematic diagram of the internal structure after assembly.

In the drawings: 100-sealing cap, 210-transition sleeve, 220-supporting plate, 300-spring, 400-moving shaft, 510-sealing plate, 511-fixing hook, 520-inner sleeve, 600-magnetic conduction frame, 610-first through hole, 700-magnetic conduction ring, 710-limit lug, 800-coil component, 810-limit groove, 900-fixed shaft, 1000-bottom plate and 1010-second through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 2 and 3, an electromagnetic valve includes a magnetic conduction frame 600, the magnetic conduction frame 600 may be a C-shaped structure with a downward opening, a coil assembly 800 is placed into the magnetic conduction frame 600 from the opening of the magnetic conduction frame 600, a fixed shaft 900 is inserted into the coil assembly 800 from below, a positioning column at the bottom end of the fixed shaft 900 is inserted into a second through hole 1010 of a bottom plate 1000, the bottom plate 1000 is connected to the magnetic conduction frame 600, the magnetic conduction through hole passes through a first through hole 610 and is inserted into the coil assembly 800 from above, a spring 300 is sleeved outside a movable shaft 400 from above, a sealing cap 100 is connected to the top end of the movable shaft 400, and the spring 300 is prevented from falling out.

When the electromagnetic valve is used, an external valve body is connected to the top end of the magnetic conduction frame 600 and directly contacts with the valve body, the bottom plate 1000 is placed at the bottom side of the magnetic conduction frame 600, the situation that when the valve body is connected to the bottom ends of the magnetic conduction frame 600 and the valve body, a groove needs to be formed corresponding to the position where the magnetic conduction frame 600 is connected with the bottom plate 1000 to avoid space, the electromagnetic valve is suitable for assembling different valve bodies, has good universality, the magnetic conduction frame 600 is matched with the bottom plate 1000 to form a symmetrical magnetic loop, so that the force applied to the movable shaft 400 is uniform, when the coil assembly 800 is electrified, the movable shaft 400 drives the sealing cap 100 to move back and forth along the length direction of the inner sleeve 520, so that the spring 300 is compressed or restored to the original shape, as the coil assembly 800 is matched with the bottom plate 1000 through the limiting lug 710 and the limiting groove 810, the structural matching between the coil assembly 800 and the, if the position-limiting protrusion 710 is disposed on the coil assembly 800, correspondingly, the bottom plate 1000 has a position-limiting groove 810, when the bottom plate 1000 is connected to the magnetic conduction frame 600, the position-limiting protrusion 710 and the position-limiting groove 810 are connected in a matching manner, similarly, if the position-limiting protrusion 710 is disposed on the bottom plate 1000, correspondingly, the coil assembly 800 has a position-limiting groove 810, when the bottom plate 1000 is connected to the magnetic conduction frame 600, the position-limiting protrusion 710 and the position-limiting groove 810 are also connected in a matching manner, so as to further limit the structure of the coil assembly 800.

In some embodiments, there may be at least one set of one limiting protrusion 710 and one limiting groove 810, and there may be two sets.

In this embodiment, the top of inner sleeve 520 is provided with sealing plate 510, and sealing plate 510 is located the top side of magnetic conduction frame 600, and inner sleeve 520 and sealing plate 510 structure as an organic whole can effectively isolated gas and air to need not adorn the sealing washer, avoid the ageing problem that leads to isolated effect difference of sealing washer.

In some embodiments, the side of the sealing plate 510 is provided with a fixing hook 511 bent downward, and the fixing hook 511 is overlapped on the flux guide 600. The sealing plate 510 can be conveniently connected to the magnetic conduction frame 600 by the fixing hook 511, and the assembly and disassembly are convenient.

In some embodiments, the bottom side of the sealing cap 100 is provided with a transition sleeve 210, the outer side wall of the transition sleeve 210 is provided with a support plate 220 around, the top surface of the support plate 220 abuts against the bottom surface of the sealing cap 100, and the top end of the spring 300 abuts against the bottom surface of the support plate 220. The top end of the spring 300 is pressed on the sealing cap 100 through the supporting plate 220, the contact area between the spring 300 and the sealing cap 100 is enlarged by the supporting plate 220, and the phenomenon that the spring 300 is directly pressed on the sealing cap 100 due to large elastic force to damage the sealing cap 100 is avoided.

In some embodiments, the top surface of the flux frame 600 is provided with a first mounting hole, and the sealing plate 510 is provided with a second mounting hole at a position opposite to the first mounting hole. And connecting pieces are driven into the first mounting hole and the second mounting hole and used for connecting the electromagnetic valve to an external valve body.

In some embodiments, the outer circumferential wall of the movable shaft 400 is provided with an annular groove, the movable shaft 400 is provided with a longitudinal section, and the inner side wall of the inner sleeve 520 is provided with a block at a position facing the annular groove. When the movable shaft 400 is installed, one surface of the longitudinal section faces the fixture block, so that the movable shaft 400 smoothly enters the inner sleeve 520, and then the movable shaft 400 is rotated, so that the longitudinal section does not face the fixture block any more, and the movable shaft 400 can only move in the length direction of the annular clamping groove, thereby facilitating the installation, test and rotation of the electromagnetic valve.

In some embodiments, a magnetic ring 700 is disposed inside the coil assembly 800, and the magnetic ring 700 is sleeved outside the inner sleeve 520. The magnetic conductive ring 700 enhances the magnetism of the moving shaft 400.

In some embodiments, the magnetic frame 600 is detachably connected to the bottom plate 1000. The magnetic conduction frame 600 and the bottom plate 1000 are convenient to disassemble, assemble and replace.

The gas water heater with the electromagnetic valve has more accurate control response to the on-off, segmentation and the like of gas, and has better stability.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A solenoid valve, characterized by: the method comprises the following steps:

the magnetic conduction frame (600), a bottom plate (1000) is arranged on the bottom side of the magnetic conduction frame (600), a containing space is formed between the magnetic conduction frame (600) and the bottom plate (1000), a first through hole (610) is formed in the top surface of the magnetic conduction frame (600), and a second through hole (1010) is formed in the bottom plate (1000);

the coil assembly (800) is positioned in the accommodating space, the bottom surface of the coil assembly (800) is provided with a limiting bump (710)/a limiting groove (810), and the top surface of the bottom plate (1000) is correspondingly provided with a limiting groove (810)/a limiting bump (710) which is matched and connected with the limiting bump (710)/the limiting groove (810) on the bottom surface of the coil assembly (800);

the fixed shaft (900) is positioned in the coil assembly (800), a blind hole is formed in the top end face of the fixed shaft (900), a positioning column is arranged at the bottom end of the fixed shaft (900), the outer diameter of the positioning column is smaller than that of the fixed shaft (900), and the positioning column is inserted into the second through hole (1010);

an inner sleeve (520) passing through the first through hole (610), a bottom end of the inner sleeve (520) being inserted into the blind hole;

a moving shaft (400) inserted into the inner sleeve (520), and a sealing cap (100) connected to the top end of the moving shaft (400);

and the spring (300) is sleeved on the outer side of the moving shaft (400) and is positioned between the sealing cap (100) and the magnetic conduction frame (600).

2. A solenoid valve according to claim 1, wherein: the top of inner sleeve (520) is provided with sealing plate (510), sealing plate (510) are located the top side of magnetic conduction frame (600), inner sleeve (520) with sealing plate (510) are structure as an organic whole.

3. A solenoid valve according to claim 2, wherein: the side of the sealing plate (510) is provided with a fixing hook (511) which is bent downwards, and the fixing hook (511) is lapped on the magnetic conduction frame (600).

4. A solenoid valve according to claim 2, wherein: the bottom side of the sealing cap (100) is provided with a transition sleeve (210), the outer side wall of the transition sleeve (210) is provided with a supporting plate (220) in a surrounding mode, the top surface of the supporting plate (220) is abutted to the bottom surface of the sealing cap (100), and the top end of the spring (300) is abutted to the bottom surface of the supporting plate (220).

5. A solenoid valve according to claim 2, wherein: the top surface of the magnetic conduction frame (600) is provided with a first mounting hole, and a second mounting hole is formed in the position, opposite to the first mounting hole, of the sealing plate (510).

6. A solenoid valve according to claim 1, wherein: the outer peripheral wall of moving axis (400) is provided with annular draw-in groove, be provided with longitudinal section on moving axis (400), the inside wall of inner skleeve (520) is just right the position of annular draw-in groove is provided with the fixture block.

7. A solenoid valve according to claim 1, wherein: a magnetic conductive ring (700) is arranged in the coil assembly (800), and the magnetic conductive ring (700) is sleeved on the outer side of the inner sleeve (520).

8. A solenoid valve according to claim 1, wherein: the magnetic conduction frame (600) is detachably connected with the bottom plate (1000).

9. A gas water heater, its characterized in that: comprises a water heater body, wherein the electromagnetic valve as claimed in any one of claims 1 to 8 is arranged in the water heater body.