CN220118676U - Electromagnetic valve with gap easy to adjust - Google Patents

Abstract

The utility model discloses an electromagnetic valve with easily adjustable clearance, which comprises a shell assembly and a valve body assembly, wherein the shell assembly comprises a shell, the front end of the shell is provided with a valve seat, the rear end of the shell is provided with an electromagnet assembly, the valve seat is internally connected with a valve core in a threaded manner, an adjusting rod is fixedly connected in the valve core, the adjusting rod is axially arranged, the tail end of the adjusting rod extends out of the shell, a first spring is further connected between the valve core and the valve seat, and the valve core axially moves relative to the valve seat to adjust the position of the valve core when the adjusting rod is rotated. Through the mode, the electromagnetic valve with the gap easy to adjust can be used for detecting the valve core while adjusting the valve core under the condition that a valve body assembly is not required to be removed, and the adjusting efficiency is greatly improved.

Description

Electromagnetic valve with gap easy to adjust

Technical Field

The utility model relates to the field of electromagnetic valves, in particular to an electromagnetic valve with easily adjustable clearance.

Background

Solenoid valves (Electromagnetic valve) are solenoid-operated industrial equipment, are automated basic elements for controlling fluids, and are actuators, not limited to hydraulic and pneumatic. For use in industrial control systems to adjust the direction, flow, velocity and other parameters of the medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured.

In the electromagnetic valve assembly process, the valve core position of the electromagnetic valve needs to be adjusted, so that the valve core precision of the electromagnetic valve is ensured. As shown in fig. 2, a valve core is connected inside a valve seat through threads, and when the valve core is adjusted, a valve body assembly needs to be removed, and then the valve core is rotated to adjust the distance. And after the adjustment is finished, the valve body assembly is assembled again, and the electromagnetic valve is tested until the valve core position is accurate. The adjusting procedure is complex, because the valve core adjusting distance is tiny, the valve core position can be accurately adjusted only by disassembling and assembling the valve body assembly for many times, and only about 20 valve cores can be adjusted every day, so that the working efficiency is very low.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the electromagnetic valve with the gap easy to adjust, which can adjust the valve core and detect the valve core without dismantling a valve body assembly, thereby greatly improving the adjusting efficiency.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an easily adjust solenoid valve in clearance, including casing subassembly and valve body subassembly, the casing subassembly includes the casing, the casing front end is equipped with the disk seat, and the casing rear end is equipped with electromagnet assembly, disk seat internal thread has the case, link firmly in the case and adjust the pole, adjust the pole along the axial setting and the end stretches out in the casing, still be connected with first spring between case and the disk seat, the relative disk seat axial displacement of case is in order to adjust the position of case when rotating the regulation pole.

In a preferred embodiment of the utility model, an adjusting sleeve is further arranged in the valve body, the adjusting sleeve is sleeved on the outer side of the adjusting rod in a clearance mode, and the front end of the adjusting rod stretches into the valve seat and is connected with the valve core through a second spring.

In a preferred embodiment of the present utility model, the adjustment sleeve is urged by electromagnetic force of the electromagnet assembly to adjust a gap between the adjustment sleeve and the housing.

In a preferred embodiment of the utility model, the oil in the oil port of the shell enters between the adjusting sleeve and the adjusting rod and flows into the valve body, so that the oil pressure of the adjusting sleeve is balanced.

In a preferred embodiment of the utility model, the second spring is located outside the first spring.

In a preferred embodiment of the utility model, a sealing ring is arranged between the rear end of the adjusting rod and the shell.

In a preferred embodiment of the utility model, the end of the adjusting rod is fixed with the shell through epoxy resin.

The beneficial effects of the utility model are as follows: according to the electromagnetic valve with the gap easy to adjust, the front and back positions of the valve core are adjusted under the condition that the valve body assembly is not removed through the adjusting rod connected with the valve core, the valve core can be adjusted, meanwhile, the valve core can be tested, and the valve core adjusting efficiency is greatly improved.

According to the electromagnetic valve with the gap easy to adjust, the adjusting sleeve is sleeved outside the adjusting rod, and the adjusting sleeve is adjusted in front and back positions by the electromagnet assembly through adjusting the current.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of a solenoid valve with easy gap adjustment according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic structural view of a conventional solenoid valve;

the components in the drawings are marked as follows: 1. the valve comprises a shell component, 2, a valve body component, 3, a shell, 4, a valve seat, 5, an electromagnet component, 6, a valve core, 7, an adjusting rod, 8, a first spring, 9, an adjusting sleeve, 10, a second spring, 11, a sealing ring, 12 and epoxy resin.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below. The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective. Also, the terms "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for modification or adjustment of the relative relationships thereof, as they are also considered within the scope of the utility model without substantial modification to the technical context.

Referring to fig. 1, an electromagnetic valve with easy gap adjustment includes a housing assembly 1 and a valve body assembly 2. The housing assembly 1 comprises a housing 3, a valve seat 4 is arranged at the front end of the housing 3, and an electromagnet assembly 5 is arranged at the rear end of the housing 3. The electromagnet assembly 5 includes a coil disposed outside the housing 3 and an electromagnet disposed inside the housing 3, and the electromagnetic assembly and the valve body assembly 2 are conventional structures in the art, and are not related to the technical problem to be solved by the present utility model, and will not be described herein.

The valve seat 4 is internally connected with a valve core 6 through threads. An adjusting rod 7 is fixedly connected in the valve core 6. The adjusting rod 7 is arranged along the axial direction, the tail end of the adjusting rod extends out of the shell 3, a first spring 8 is further connected between the valve core 6 and the valve seat 4, and the valve core 6 moves axially relative to the valve seat 4 when the adjusting rod 7 is rotated so as to adjust the position of the valve core 6. When the position of the valve core 6 is regulated, the valve body assembly 2 is firstly installed, then the regulating rod 7 is rotated to drive the valve core 6 to move forwards and backwards, after the valve core 6 is regulated to a proper position, the electromagnetic valve is started, the electromagnetic valve is tested, and the valve is regulated again according to the test result until the requirement is met. The adjusting mode can be used for adjusting without dismantling the valve body assembly 2, so that the adjusting efficiency is greatly improved, and 500 solenoid valves per 8 hours per day are adjusted by each person.

An adjusting sleeve 9 is further arranged in the valve body, and the adjusting sleeve 9 is sleeved on the outer side of the adjusting rod 7 in a clearance mode. The front end of the adjusting rod 7 extends into the valve seat 4 and is connected with the valve core 6 through a second spring 10. The adjustment sleeve 9 is pushed forward by the electromagnet assembly 5 to adjust the gap between the adjustment sleeve 9 and the housing. When the electromagnet assembly 5 is electrified, the electromagnet can push the adjusting sleeve 9 to move forwards, the second spring 10 is compressed when the adjusting sleeve 9 moves forwards, the step of adjusting the valve core 6 is repeated, and the gap between the adjusting sleeve 9 and the valve body can be adjusted.

The second spring 10 is located outside the first spring 8. Oil entering from an oil port of the shell 3 enters between the adjusting sleeve and the adjusting rod 7 and flows into the valve body to balance and adjust the pressure difference of the front oil pressure and the rear oil pressure of the 9 sleeves. A sealing ring 11 is arranged between the rear end of the adjusting rod 7 and the shell 3. The tail end of the adjusting rod 7 is fixed with the shell 3 through epoxy resin 12. The oil is blocked inside the casing 3 by the seal ring 11 to prevent the oil from leaking. After the electromagnetic valve is adjusted, the valve body and the adjusting rod 7 are sealed by epoxy resin 12, and the electromagnetic valve is assembled.

Compared with the prior art, the electromagnetic valve with the gap easy to adjust can be used for detecting the valve core while adjusting the valve core without dismantling the valve body assembly, and the adjusting efficiency is greatly improved.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (7)

1. The utility model provides an easily adjust solenoid valve in clearance, includes casing subassembly and valve body subassembly, the casing subassembly includes the casing, the casing front end is equipped with the disk seat, and the casing rear end is equipped with electromagnet assembly, its characterized in that, disk seat female connection has the case, the regulation pole has linked firmly in the case, the regulation pole sets up along the axial and terminal stretching out in the casing, still be connected with first spring between case and the disk seat, the relative disk seat axial displacement of case is in order to adjust the position of case when rotating the regulation pole.

2. The electromagnetic valve with easy gap adjustment according to claim 1, wherein an adjusting sleeve is further arranged in the valve body, the adjusting sleeve is sleeved on the outer side of the adjusting rod in a gap mode, and the front end of the adjusting rod stretches into the valve seat and is connected with the valve core through a second spring.

3. The easy-to-adjust gap solenoid valve of claim 2 wherein said adjustment sleeve is urged by the electromagnetic force of the electromagnet assembly to adjust the gap between the adjustment sleeve and the housing.

4. The electromagnetic valve with easy gap adjustment according to claim 3, wherein oil in the oil port of the housing enters between the adjusting sleeve and the adjusting rod and flows into the valve body, so that the oil pressure of the adjusting sleeve is balanced.

5. The lash-adjustable solenoid valve of any one of claims 2-4, wherein the second spring is outboard of the first spring.

6. The gap-adjustable solenoid valve of claim 5 wherein a seal is provided between the rear end of the adjustment rod and the housing.

7. The gap-adjustable solenoid valve of claim 6 wherein the rod tip is secured to the housing by epoxy.