CN214197487U

CN214197487U - Normally open structure and solenoid valve

Info

Publication number: CN214197487U
Application number: CN202022760960.1U
Authority: CN
Inventors: 余建宏
Original assignee: Yutao Yongchuang Solenoid Valve Co ltd
Current assignee: Yutao Yongchuang Solenoid Valve Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-14
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a normally open structure and solenoid valve, including solenoid valve member and normally open structure subassembly, normally open structure subassembly comprises pressure pad, connecting rod, movable iron core, iron core spring, quiet iron core, answer spring, vice case, valve port sealing member, vice case welding set is established in the bottom department of connecting rod, movable iron core is in the top of quiet iron core, the iron core spring is in between quiet iron core and the movable iron core, and the top of iron core spring is in the hole that the movable iron core bottom was reserved; the normally open structure component is integrated, the structure is simple, the normally open structure component can be directly matched with the valve body for use, and the installation and the maintenance are convenient; the electromagnetic coils with the same power can reduce the spring force, solve the noise problem when the alternating voltage of the electromagnetic valve is used, and simultaneously can increase the opening stroke A of the electromagnetic valve; the valve seat can be used on a normally open type distributed direct-acting electromagnetic valve, a connecting seat can be omitted, and the valve seat is directly matched with a valve cover of the electromagnetic valve.

Description

Normally open structure and solenoid valve

Technical Field

The utility model belongs to the technical field of the solenoid valve, concretely relates to normally open structure and solenoid valve.

Background

The electromagnetic valve is divided into a normally open type electromagnetic valve and a normally closed type electromagnetic valve from the aspects of working mode and control mode; the electromagnetic valves are divided into three major categories in principle, namely direct-acting electromagnetic valves, step-by-step direct-acting electromagnetic valves and pilot-operated electromagnetic valves.

In the present solenoid valve industry, the structure of normal open type solenoid valve is the structure of separating main spare parts such as magnetic isolation tube subassembly, auxiliary valve core, spring, sealing member basically, and production assembly and maintenance dismouting are complicated, and easy neglected loading causes customer's use trouble.

Normally open type direct-acting solenoid valve is generally used in the occasion that switching speed is fast, the frequency of use is high, therefore spare part will produce the high frequency impact phenomenon in the use, and movable iron core direct action produces reciprocal impact on vice case, makes vice case deformation lead to the solenoid valve card to die or produce the noise.

The installation of the normally open type distributed direct-acting electromagnetic valve needs the connecting seat as an intermediary, and the valve cover of the electromagnetic valve and the normally open component are assembled together, so that the cost is increased, and the working hours are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a normally open structure and solenoid valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the normally open structure comprises an electromagnetic valve component and a normally open structure component, wherein the normally open structure component is composed of a pressure pad, a connecting rod, a movable iron core, an iron core spring, a static iron core, a return spring, an auxiliary valve core and a valve port sealing element, the auxiliary valve core is welded and sleeved at the bottom end of the connecting rod, the movable iron core is located at the top of the static iron core, the iron core spring is located between the static iron core and the movable iron core, the top of the iron core spring is located in a hole reserved at the bottom of the movable iron core, a slotted hole for placing the return spring is formed in the bottom end surface of the static iron core, the top of the connecting rod sequentially penetrates through the return spring, the static iron core, the iron core spring and the connecting rod, the pressure pad is installed at the top of the connecting rod and located on the upper surface of the movable iron core, and the valve port sealing element is clamped into the inner side of the auxiliary valve core.

Preferably, the top of activity iron core still is provided with the magnetism isolating pipe, magnetism isolating pipe cover is established in the outside of activity iron core, just the bottom of magnetism isolating pipe extends to the middle part position department of quiet iron core.

Preferably, the solenoid valve component is divided into a direct-acting normally open solenoid valve and a diaphragm normally open solenoid valve; normally open the structural component and divide into and install the inside normally open structural component A who opens solenoid valve for direct action formula to and install the inside normally open structural component B who opens solenoid valve at the diaphragm formula, normally open structural component A and normally open structural component B's structure, size and area homoenergetic equal.

Preferably, direct-acting type normally open solenoid valve includes valve body A, the bottom of quiet iron core is embedded into valve body A's inside, and the junction between them installs and is used for sealed O type circle A, normally open structure subassembly A's outside still is provided with coil A, lock nut A that is used for the fastening is installed at the top of magnetism isolating pipe.

Preferably, diaphragm formula normally open solenoid valve includes valve body B, valve body B's top is provided with the diaphragm subassembly, the bottom at quiet iron core is established to the diaphragm subassembly cover, the top of diaphragm subassembly still is provided with and is used for spacing valve gap, install the mounting screw that is used for the fastening between valve gap and the diaphragm subassembly, still install sealed valve body sealing washer between diaphragm subassembly and the valve body B.

Preferably, the bottom of quiet iron core is embedded into the inboard of valve gap, and both junctions install O type circle B, normally open structure subassembly B's outside is around establishing by coil B, lock nut B is installed at the top of magnetic isolation pipe.

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

the normally open structure component is integrated, the structure is simple, the normally open structure component can be directly matched with the valve body for use, and the installation and the maintenance are convenient; the electromagnetic coils with the same power can reduce the spring force, solve the noise problem when the alternating voltage of the electromagnetic valve is used, and simultaneously can increase the opening stroke A of the electromagnetic valve; the electromagnetic coil is applied to a normally open type distributed direct-acting electromagnetic valve, a connecting seat can be omitted, the electromagnetic coil is directly matched with a valve cover of the electromagnetic valve, the power of the electromagnetic coil can be reduced, the size of the electromagnetic coil can be reduced, and the cost is saved.

Drawings

FIG. 1 is a schematic view of the normally open structural components of the present invention;

FIG. 2 is a schematic view of the normally open structural assembly of the present invention assembled to a direct-acting normally open solenoid valve;

FIG. 3 is a schematic view of the normally open structural component of the present invention assembled on a diaphragm type normally open solenoid valve;

in the figure: 1. a magnetism isolating pipe; 2. a pressure pad; 3. a connecting rod; 4. a movable iron core; 5. an iron core spring; 6. a stationary iron core; 7. a return spring; 8. an auxiliary valve core; 9. a valve port seal; 10. locking the nut A; 11. a coil A; 12. a normally open structural component A; 13. o-shaped ring A; 14. a valve body A; 15. locking the nut B; 16. a coil B; 17. normally opening the structural component B; 18. an O-shaped ring B; 19. mounting screws; 20. a diaphragm assembly; 21. A valve cover; 22. a valve body sealing ring; 23. and a valve body B.

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 to 3, the present invention provides a technical solution: a normally open structure and solenoid valve, including solenoid valve component and normally open structural component, integrate the normally open structural component into an organic whole, simple in construction can cooperate with valve block directly to use, it is convenient to mount and maintain; the electromagnetic coils with the same power can reduce the spring force, solve the noise problem when the alternating voltage of the electromagnetic valve is used, and simultaneously can increase the opening stroke of the electromagnetic valve; the normally open structure component comprises a pressure pad 2, a connecting rod 3, a movable iron core 4, an iron core spring 5, a static iron core 6, a return spring 7, an auxiliary valve core 8 and a valve port sealing element 9, wherein the auxiliary valve core 8 is welded and sleeved at the bottom end of the connecting rod 3, the movable iron core 4 is arranged at the top of the static iron core 6, the iron core spring 5 is arranged between the static iron core 6 and the movable iron core 4, the top of the iron core spring 5 is arranged in a hole reserved at the bottom of the movable iron core 4, a slotted hole for placing the return spring 7 is formed in the bottom end surface of the static iron core 6, the top of the connecting rod 3 sequentially penetrates through the return spring 7, the static iron core 6, the iron core spring 5 and the connecting rod 3, the pressure pad 2 is arranged at the top of the connecting rod 3 and is arranged at the upper surface of the movable iron core 4, the port seal 9 is snapped into the inside of the secondary spool 8.

In this embodiment, preferably, the top of the movable iron core 4 is further provided with a magnetism isolating pipe 1, the magnetism isolating pipe 1 covers the outside of the movable iron core 4, and the bottom end of the magnetism isolating pipe 1 extends to the middle position of the static iron core 6.

In this embodiment, preferably, the solenoid valve member is divided into a direct-acting normally open solenoid valve and a diaphragm normally open solenoid valve; the normally open structure subassembly divide into and installs the inside normally open structure subassembly A12 of direct action formula normally open solenoid valve to and install the inside normally open structure subassembly B17 of diaphragm formula normally open solenoid valve, the structure, size and the area homogeneous phase of normally open structure subassembly A12 and normally open structure subassembly B17 are equal.

In this embodiment, preferably, the direct-acting normally-open electromagnetic valve includes a valve body a14, the bottom of the stationary core 6 is embedded into the valve body a14, and an O-ring a13 for sealing is installed at the junction of the two, a coil a11 is further provided outside the normally-open structural assembly a12, and a lock nut a10 for fastening is installed at the top of the magnetism isolating pipe 1.

In this embodiment, preferably, the diaphragm type normally open solenoid valve includes valve body B23, and the top of valve body B23 is provided with diaphragm assembly 20, and diaphragm assembly 20 cover is established in the bottom of stationary core 6, and diaphragm assembly 20's top still is provided with and is used for spacing valve gap 21, installs the mounting screw 19 that is used for the fastening between valve gap 21 and the diaphragm assembly 20, still installs sealed valve body sealing washer 22 between diaphragm assembly 20 and the valve body B23.

In this embodiment, preferably, the bottom of the stationary core 6 is embedded into the valve cover 21, an O-ring B18 is installed at the joint of the stationary core and the valve cover, a coil B16 is wound outside the normally open structure assembly B17, and a lock nut B15 is installed at the top of the magnetism isolating tube 1.

The embodiment of the normally open type direct-acting electromagnetic valve is that a normally open structure component A12, an O-shaped ring A13 and a valve body A14 are combined together, then the normally open structure component A12, the O-shaped ring A13 and the valve body A14 are screwed by a wrench, then a coil A11, a gasket and a locking nut A10 are sequentially installed, and then a tool is used for locking, wherein the installation is completed as shown in figure 2.

The embodiment of the normally open type distributed direct-acting electromagnetic valve is that a normally open structure component B17, an O-shaped ring B18, a valve cover 21, a diaphragm component 20, a valve body sealing ring 22 and a valve body B23 are combined together and locked by a mounting screw 19, a coil B16, a gasket and a locking nut B15 are sequentially installed, and then the normally open type distributed direct-acting electromagnetic valve is locked by a tool, wherein the installation is completed as shown in figure 3.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, solenoid valve coil 11 circular telegram back, form magnetic field, drive movable iron core 4 downstream, with 6 attractions of quiet iron core, under the spring force effect of answer spring 7, valve port sealing member 9, vice case 8 and connecting rod 3 downstream together, valve port sealing member 9 and valve port interference contact this moment, the interference part component of production can kick-back, drive valve port sealing member 9, vice case 8 and connecting rod 3 upward slight motion together, can not atress between movable iron core 4 and the quiet iron core 6, and the valve port just can seal up just, the solenoid valve is closed, can not produce the noise, when the solenoid valve outage, iron core spring 5 drives connecting rod 3, vice case 8 and valve port sealing member 9 upward movement together, valve port sealing member 9 and valve port separation, the solenoid valve is opened.

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 a normally open structure and solenoid valve, includes solenoid valve member and normally opens the structure subassembly, its characterized in that: the normally open structure component comprises a pressure pad (2), a connecting rod (3), a movable iron core (4), an iron core spring (5), a static iron core (6), a return spring (7), an auxiliary valve core (8) and a valve port sealing piece (9), wherein the auxiliary valve core (8) is welded and sleeved at the bottom end of the connecting rod (3), the movable iron core (4) is arranged at the top of the static iron core (6), the iron core spring (5) is arranged between the static iron core (6) and the movable iron core (4), the top of the iron core spring (5) is arranged in a hole reserved at the bottom of the movable iron core (4), a slotted hole for placing the return spring (7) is formed in the bottom end surface of the static iron core (6), the top of the connecting rod (3) sequentially penetrates through the return spring (7), the static iron core (6), the iron core spring (5) and the connecting rod (3), the pressure pad (2) is installed at the top of the connecting rod (3) and is arranged at the upper surface of the movable iron core (4), the valve port sealing element (9) is clamped into the inner side of the auxiliary valve core (8).

2. A normally open structure and solenoid valve as claimed in claim 1, wherein: the top of activity iron core (4) still is provided with magnetism-isolating pipe (1), magnetism-isolating pipe (1) cover is established in the outside of activity iron core (4), just the bottom of magnetism-isolating pipe (1) extends to the middle part position department of quiet iron core (6).

3. A normally open structure and solenoid valve as claimed in claim 2, wherein: the electromagnetic valve component is divided into a direct-acting normally open electromagnetic valve and a diaphragm normally open electromagnetic valve; normally open the structure subassembly and divide into and install at the inside normally open structure subassembly A (12) of direct action type normally open solenoid valve to and install at the inside normally open structure subassembly B (17) of diaphragm formula normally open solenoid valve, normally open structure subassembly A (12) and the structure, size and the area homogeneous phase of normally opening structure subassembly B (17) equal.

4. A normally open structure and solenoid valve as claimed in claim 3, wherein: the direct-acting normally open solenoid valve comprises a valve body A (14), the bottom of a static iron core (6) is embedded into the valve body A (14), an O-shaped ring A (13) for sealing is installed at the joint of the static iron core and the valve body A, a coil A (11) is further arranged outside a normally open structural component A (12), and a locking nut A (10) for fastening is installed at the top of a magnetism isolating pipe (1).

5. A normally open structure and solenoid valve as claimed in claim 3, wherein: diaphragm formula normally open solenoid valve includes valve body B (23), the top of valve body B (23) is provided with diaphragm subassembly (20), the bottom at quiet iron core (6) is established to diaphragm subassembly (20) cover, the top of diaphragm subassembly (20) still is provided with and is used for spacing valve gap (21), install between valve gap (21) and diaphragm subassembly (20) and be used for fastening mounting screw (19), still install sealed valve body sealing washer (22) between diaphragm subassembly (20) and valve body B (23).

6. A normally open structure and solenoid valve as claimed in claim 5, characterized in that: the bottom of quiet iron core (6) is embedded into the inboard of valve gap (21), and O type circle B (18) are installed to both junctions, the outside of normally opening structure subassembly B (17) is around establishing by coil B (16), lock nut B (15) are installed at the top of magnet tube (1).