CN218719159U

CN218719159U - Large-caliber external axial electromagnetic valve

Info

Publication number: CN218719159U
Application number: CN202222808201.7U
Authority: CN
Inventors: 徐波杰
Original assignee: Yuyao Feng Rui Electrical Appliance Co ltd
Current assignee: Yuyao Feng Rui Electrical Appliance Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-24
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of axial solenoid valves, and discloses a large-caliber external axial solenoid valve, which comprises a valve body, wherein the left end of the valve body is provided with a water inlet, and the right end of the valve body is provided with a water outlet; this external axial solenoid valve of heavy-calibre, drive movable valve membrane oscilaltion removal in the positioning seat through the piston seat, when opening movable valve membrane gets into in the positioning seat, make first through-hole and second through-hole switch-on each other, thereby liquid passes through-hole flow direction delivery port, when closing, the piston seat drives movable valve membrane rebound, make second through-hole and first through-hole crisscross, thereby liquid can't pass through-hole flow direction delivery port, thereby the displacement distance of piston seat only need with the diameter of through-hole the same can, increase the speed of response, valve body structure is axial displacement simultaneously, reduce the loss of fluid pressure and flow, and only need to change valve membrane structure can, whole spare part is less, reduce the fault rate of solenoid valve, the practicality is improved.

Description

Large-caliber external axial electromagnetic valve

Technical Field

The utility model relates to an axial solenoid valve technical field specifically is an external axial solenoid valve of heavy-calibre.

Background

The large-caliber electromagnetic valve refers in particular to valves with the flow drift diameter larger than 50mm, and is an indispensable actuator for implementing automatic control in a large-caliber pipeline. For the electromagnetic valve, performance parameters such as pressure, flow, corresponding time, reliability and the like are key indexes for measuring the quality of the electromagnetic valve.

The current external connection formula axial solenoid valve of heavy-calibre generally adopts multistage guide's structure, leads to spare part quantity great, and the fault rate also increases thereupon, and will be comparatively consuming time and wasting power maintaining, is mostly the valve body structure of high-out low-feed simultaneously, causes the loss of fluid pressure and flow, and the practicality is lower.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a large-diameter external axial solenoid valve to current large-diameter external axial solenoid valve who proposes in solving above-mentioned background generally adopts multistage guide's structure, leads to spare part quantity great, and the fault rate also increases thereupon, and will be comparatively consuming time consuming and wasting force maintaining, is mostly the valve body structure that advances at the height simultaneously, causes the loss of fluid pressure and flow, the lower problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an external axial solenoid valve of heavy-calibre, includes the valve body, the left end of valve body is provided with the water inlet, the right-hand member of valve body is provided with the delivery port, the upper end fixed mounting of valve body has last lid, the upper end of going up the lid is provided with the electromagnetic control box, the right-hand member of electromagnetic control box is provided with the terminal box, the inboard upper end of valve body is provided with the piston chamber, be provided with piston assembly in the piston chamber, the inboard lower extreme of valve body is provided with the valve membrane assembly.

Preferably, both ends all are provided with the thread groove about the valve body is inboard, valve body and upper cover body pass through screw fixed connection, make things convenient for the dismantlement of valve body to maintain.

Preferably, the solenoid electric control box has seted up movable chamber, the interior position of solenoid electric control box is located the avris in movable chamber and is provided with the electro-magnet, electro-magnet and terminal box electric connection, movable ejector pin is installed to the upper end of activity chamber inboard, the outside swing joint of activity ejector pin lower extreme has movable iron core, the lower extreme fixed mounting of movable iron core has movable connecting rod, and magnetism through the electro-magnet controls movable iron core's lift and removes to drive movable connecting rod and remove, realize the control to the valve body.

Preferably, the piston assembly includes piston seat, sealing washer and movable core spring, movable connecting rod's lower extreme extends to the inboard fixedly connected with piston seat of valve body, the outside of piston seat is provided with the sealing washer, sealing washer and the mutual adaptation of piston chamber, the upper end fixed mounting of piston seat has the movable core spring, movable core spring and movable connecting rod cup joint, the upper end and the last lid of movable core spring are laminated each other, the inboard lower extreme fixedly connected with baffle in piston chamber, the upper end fixedly connected with limit stop of baffle, limit stop and the mutual adaptation of piston seat make things convenient for the activity of piston seat, and carry on spacingly through limit stop to the piston seat.

Preferably, the valve membrane assembly comprises a positioning seat, a movable groove, a movable valve membrane, a first through hole and a second through hole, the inner side of the valve body is fixedly connected with the positioning seat, the upper end of the positioning seat is provided with the movable groove, the movable groove is connected with the movable valve membrane in a sliding mode, the first through hole is formed in the surface of the positioning seat, the second through hole is formed in the surface of the movable valve membrane, the first through hole and the second through hole are used for forming a liquid flowing channel, liquid can flow axially conveniently, and loss of liquid pressure and flow is reduced.

Preferably, the upper end and the piston seat fixed connection of activity valve membrane, activity valve membrane and baffle sliding connection, be provided with sealed the pad between baffle and the activity valve membrane, the upper end and the baffle fixed connection of positioning seat, first through-hole is located the positioning seat and is provided with two sets ofly, two sets of both ends about first through-hole and second through-hole all are equidistant distribution, first through-hole and second through-hole looks mutual adaptation, drive the activity valve membrane through the piston seat and reciprocate to first through-hole and second through-hole each other connect and lead to the formation circulation passageway, perhaps crisscross closed circulation passageway each other, realize the control to the valve body, the holistic spare part of limited reduction reduces the fault rate of solenoid valve.

Compared with the prior art, the utility model provides an external axial solenoid valve of heavy-calibre possesses following beneficial effect:

this external axial solenoid valve of heavy-calibre, drive movable valve membrane oscilaltion removal in the positioning seat through the piston seat, when opening movable valve membrane gets into in the positioning seat, make first through-hole and second through-hole switch-on each other, thereby liquid passes through-hole flow direction delivery port, when closing, the piston seat drives movable valve membrane rebound, make second through-hole and first through-hole crisscross, thereby liquid can't pass through-hole flow direction delivery port, thereby the displacement distance of piston seat only need with the diameter of through-hole the same can, increase the speed of response, valve body structure is axial displacement simultaneously, reduce the loss of fluid pressure and flow, and only need to change valve membrane structure can, whole spare part is less, reduce the fault rate of solenoid valve, the practicality is improved.

Drawings

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

fig. 2 is a schematic view of the positioning seat structure of the present invention;

fig. 3 is the schematic view of the positioning seat and the movable valve membrane structure of the present invention.

In the figure: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. an upper cover body; 5. an electromagnetic control box; 51. a movable cavity; 52. an electromagnet; 53. a movable ejector rod; 54. a movable iron core; 55. a movable connecting rod; 6. a junction box; 7. a piston cavity; 71. a partition plate; 72. a limit stop; 8. a piston assembly; 81. a piston seat; 82. a seal ring; 83. a movable iron core spring; 9. a valve membrane assembly; 91. positioning seats; 92. a movable groove; 93. a movable valve membrane; 94. a first through hole; 95. a second via.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a large-diameter external connection type axial electromagnetic valve comprises a valve body 1, wherein a water inlet 2 is formed in the left end of the valve body 1, a water outlet 3 is formed in the right end of the valve body 1, an upper cover body 4 is fixedly installed at the upper end of the valve body 1, thread grooves are formed in the left end and the right end of the inner side of the valve body 1, the valve body 1 and the upper cover body 4 are fixedly connected through screws, an electromagnetic control box 5 is arranged at the upper end of the upper cover body 4, a movable cavity 51 is formed in the electromagnetic control box 5, an electromagnet 52 is arranged on the inner side of the electromagnetic control box 5, which is located on the lateral side of the movable cavity 51, the electromagnet 52 is electrically connected with a junction box 6, a movable ejector rod 53 is installed at the upper end of the inner side of the movable cavity 51, a movable iron core 54 is movably connected to the outer side of the lower end of the movable ejector rod 53, a movable connecting rod 55 is fixedly installed at the lower end of the movable iron core 54, and the movable connecting rod 55 is driven to move through the magnetism of the electromagnet 52, so that the control over the electromagnetic valve is realized;

the right end of the electromagnetic control box 5 is provided with a junction box 6, the upper end of the inner side of the valve body 1 is provided with a piston cavity 7, a piston assembly 8 is arranged in the piston cavity 7, the piston assembly 8 comprises a piston seat 81, a sealing ring 82 and a movable iron core spring 83, the lower end of the movable connecting rod 55 extends to the inner side of the valve body 1 and is fixedly connected with the piston seat 81, the outer side of the piston seat 81 is provided with the sealing ring 82, the sealing ring 82 and the piston cavity 7 are mutually matched, the upper end of the piston seat 81 is fixedly provided with the movable iron core spring 83, the movable iron core spring 83 is sleeved with the movable connecting rod 55, the upper end of the movable iron core spring 83 is mutually attached to the upper cover body 4, the lower end of the inner side of the piston cavity 7 is fixedly connected with a partition plate 71, the upper end of the partition plate 71 is fixedly connected with a limit stop 72, the limit stop 72 is mutually matched with the piston seat 81, and the control and adjustment of the valve body 1 are realized by the up-down lifting movement of the piston seat 81;

the lower extreme of valve body 1 inboard is provided with valve membrane module 9, valve membrane module 9 includes positioning seat 91, movable groove 92, movable valve membrane 93, first through-hole 94 and second through-hole 95, inboard fixedly connected with positioning seat 91 of valve body 1, movable groove 92 has been seted up to the upper end of positioning seat 91, sliding connection has movable valve membrane 93 in the movable groove 92, first through-hole 94 has all been seted up on the surface of positioning seat 91, second through-hole 95 has been seted up on the surface of movable valve membrane 93, the upper end and the piston seat 81 fixed connection of movable valve membrane 93, movable valve membrane 93 and baffle 71 sliding connection, be provided with the sealed pad between baffle 71 and the movable valve membrane 93, the upper end and the baffle 71 fixed connection of positioning seat 91, first through-hole 94 is located the left and right sides both ends of positioning seat 91 and is provided with two sets ofly, two sets of first through-hole 94 and second through-hole 95 all are equidistant distribution, first through-hole 94 and second through-hole 95 mutual adaptation, drive movable valve membrane 93 through piston seat 81, thereby first through-hole 94 and second through-hole 95 communicate each other and form the circulation passageway, or the closed passageway of each other, realize the crisscross control of valve body 1, the reduction of the zero control, the reduction of the whole trouble of the reduction of the liquid flow rate and the utilization of the whole flow of the liquid flow rate of the axial flow of the electromagnetic valve 95, the utilization solenoid valve, the utilization valve passageway, the utilization flow rate of the axial flow rate of the electromagnetic valve is convenient.

The working principle is as follows: first, the left and right ends of the valve body 1 are respectively screwed into the pipeline, and the line is connected with the junction box 6, which facilitates the disassembly and maintenance of the solenoid valve, when the solenoid valve is opened, the magnetism of the electromagnet 52 controls the lifting movement of the movable iron core 54, thereby driving the movable connecting rod 55 to move, the movable connecting rod 55 drives the piston seat 81 to move downwards, the movable valve membrane 93 completely enters the positioning seat 91, so that the first through hole 94 and the second through hole 95 are mutually communicated to form a circulation channel, the liquid flows to the water outlet 3 through the through hole, thereby realizing the axial circulation of the liquid, reducing the loss of the liquid pressure and the flow, when the solenoid valve is closed, the movable connecting rod 55 drives the piston seat 81 to move upwards, the movable valve membrane 93 moves upwards for a movement distance, so that the first through hole 94 and the second through hole 95 are mutually staggered, thereby closing the circulation channel, the liquid is blocked, the whole movement distance only needs to be the same as the diameter of the through hole, the response speed is increased, and only needs to change the valve membrane structure, the whole parts are fewer, thereby reducing the failure rate of the solenoid valve, and improving the practicability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an external axial solenoid valve of heavy-calibre, includes valve body (1), its characterized in that: the left end of valve body (1) is provided with water inlet (2), the right-hand member of valve body (1) is provided with delivery port (3), the upper end fixed mounting of valve body (1) has last lid (4), the upper end of going up lid (4) is provided with electromagnetic control box (5), the right-hand member of electromagnetic control box (5) is provided with terminal box (6), the inboard upper end of valve body (1) is provided with piston chamber (7), be provided with piston assembly (8) in piston chamber (7), the inboard lower extreme of valve body (1) is provided with valve membrane assembly (9).

2. The large-caliber external axial solenoid valve as claimed in claim 1, wherein: both ends all are provided with the thread groove about valve body (1) inboard, valve body (1) and last lid (4) pass through screw fixed connection.

3. The large-caliber externally-connected axial solenoid valve according to claim 1, wherein: seted up movable chamber (51) in electromagnetic control box (5), the interior position of electromagnetic control box (5) is located the avris in movable chamber (51) and is provided with electro-magnet (52), electro-magnet (52) and terminal box (6) electric connection, movable ejector pin (53) are installed to the upper end of activity chamber (51) inboard, the outside swing joint of activity ejector pin (53) lower extreme has movable iron core (54), the lower extreme fixed mounting of movable iron core (54) has movable connecting rod (55).

4. The large-caliber external axial solenoid valve as claimed in claim 3, wherein: piston assembly (8) include piston seat (81), sealing washer (82) and movable core spring (83), the lower extreme of activity connecting rod (55) extends to inboard fixedly connected with piston seat (81) of valve body (1), the outside of piston seat (81) is provided with sealing washer (82), sealing washer (82) and piston chamber (7) adaptation each other, the upper end fixed mounting of piston seat (81) has movable core spring (83), movable core spring (83) and activity connecting rod (55) cup joint, the upper end of movable core spring (83) and last lid (4) are laminated each other, the inboard lower extreme fixedly connected with baffle (71) of piston chamber (7), the upper end fixedly connected with limit stop (72) of baffle (71), limit stop (72) and piston seat (81) adaptation each other.

5. The large-caliber externally-connected axial electromagnetic valve according to claim 4, wherein: the valve membrane component (9) comprises a positioning seat (91), a movable groove (92), a movable valve membrane (93), a first through hole (94) and a second through hole (95), the inner side of the valve body (1) is fixedly connected with the positioning seat (91), the movable groove (92) is formed in the upper end of the positioning seat (91), the movable groove (92) is connected with the movable valve membrane (93) in the movable groove (92) in a sliding mode, the first through hole (94) is formed in the surface of the positioning seat (91), and the second through hole (95) is formed in the surface of the movable valve membrane (93).

6. The large-caliber externally-connected axial electromagnetic valve according to claim 5, wherein: the upper end and the piston seat (81) fixed connection of activity valve membrane (93), activity valve membrane (93) and baffle (71) sliding connection, be provided with sealed the pad between baffle (71) and activity valve membrane (93), the upper end and baffle (71) fixed connection of positioning seat (91), both ends are provided with two sets ofly, two sets of about first through-hole (94) are located positioning seat (91) first through-hole (94) and second through-hole (95) all are equidistant distribution, first through-hole (94) and second through-hole (95) mutual adaptation.