Electromagnetic valve with adjustable valve seat

Abstract

The utility model discloses an electromagnetic valve capable of adjusting a valve seat, which comprises a shell, a valve seat, an electromagnetic valve seat and an electromagnetic valve seat, the movable iron core extends along the first direction, and the movable iron core is arranged in the contact through hole; an adjusting through hole is formed in the valve body, the contact through hole and the adjusting through hole are formed side by side in the first direction, and a threaded groove is formed in the adjusting through hole; the valve seat is arranged in the adjusting through hole; by means of the threaded groove in the adjusting through hole of the valve body, in the installation process, the position of the valve seat is adjusted, the effect of adjusting the stroke of the movable iron core is achieved, the debugging effect on the electromagnetic valve is achieved, the requirement for the size precision of all parts is lowered, the production cost is reduced, and meanwhile after the electromagnetic valve finishes working, the spring is used for adjusting the stroke of the movable iron core. And resetting the movable iron core.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial valve technical field especially, relates to a kind of electromagnetic valve of adjustable valve seat. BACKGROUND

[0002] In industrial system, the application of electromagnetic valve is very extensive, and electromagnetic valve is an industrial equipment controlled by electromagnetism, which is an automatic basic element for controlling fluid. In the process of installation, the stroke of the movable core of the current electromagnetic valve cannot be controlled. Therefore, in order to ensure the performance of the valve, the dimensional accuracy of each part is required to be high, and it is required to be completed at one time during installation, and cannot be debugged. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings, the utility model provides an electromagnetic valve with adjustable valve seat. By using the thread groove in the adjusting through hole of the valve body, the position of the valve seat can be adjusted during installation, the stroke of the movable core can be adjusted, the debugging effect of the electromagnetic valve can be achieved, the dimensional accuracy of each part can be reduced, the production cost can be reduced, and the movable core can be reset after the electromagnetic valve stops working by using the spring.

[0004] In order to achieve the above-mentioned purposes, the utility model adopts the following technical scheme: an electromagnetic valve with adjustable valve seat, comprising:

[0005] A housing is provided with a contact through hole extending in a first direction;

[0006] A movable core extends in the first direction, and is arranged in the contact through hole;

[0007] A valve body is provided with an adjusting through hole, and the contact through hole and the adjusting through hole are arranged side by side in the first direction. The adjusting through hole is provided with a thread groove;

[0008] A valve seat is arranged in the adjusting through hole.

[0009] In this technical scheme, the housing is used to install various parts, so that the electromagnetic valve with adjustable valve seat can operate normally. The contact through hole is used to install the movable core, and the movable core is used to move in the contact through hole to determine the most suitable position of the valve seat and the valve body. The valve body is used to install the valve seat, and the valve seat is used to adjust the position of the movable core. By using the thread groove in the adjusting through hole of the valve body, the position of the valve seat can be adjusted during installation, the stroke of the movable core can be adjusted, the debugging effect of the electromagnetic valve can be achieved, the dimensional accuracy of each part can be reduced, and the production cost can be reduced.

[0010] In some embodiments, the electromagnetic valve with an adjustable valve seat further comprises a spring, the spring extends in a first direction, the spring connects the movable iron core and the shell.

[0011] In this technical solution, the spring is used for resetting the movable iron core.

[0012] In some embodiments, the edge of the contact through hole is provided with a support table, the movable iron core comprises an iron core body and spring supports protruding to both sides, one end of the spring is fixed on the spring support, and the other end of the spring is arranged on the support table.

[0013] In this technical solution, the support table is used for providing a fulcrum for the spring, facilitating the installation of the spring, and the spring support facilitates the connection and fixation of the spring and the movable iron core.

[0014] In some embodiments, the electromagnetic valve with an adjustable valve seat further comprises a sealing element, the sealing element is fixed to one end of the movable iron core close to the valve seat.

[0015] In this technical solution, the sealing element is used to isolate the airflow to form a blocking effect, thereby achieving the effect of controlling the external fluid.

[0016] In some embodiments, the sealing element comprises a sealing body and a sealing diaphragm, the sealing body is clamped and fixed with the movable iron core, and the sealing diaphragm is integrally formed with the sealing body.

[0017] In this technical solution, the sealing element is used to butt against the valve seat, and the sealing diaphragm is used to close the contact through hole when the electromagnetic valve with an adjustable valve seat is opened, preventing the fluid from entering the contact through hole; when the electromagnetic valve with an adjustable valve seat is closed, the sealing diaphragm contacts the valve body, preventing the fluid from entering the adjusting through hole.

[0018] In some embodiments, the electromagnetic valve with an adjustable valve seat further comprises an O-ring, the O-ring is arranged on the valve seat.

[0019] In this technical solution, the O-ring is used to close the gap between the sealing valve body and the valve seat.

[0020] In some embodiments, the electromagnetic valve with an adjustable valve seat further comprises a fixed iron core, the fixed iron core is arranged in the contact through hole, and the fixed iron core is arranged at one end of the movable iron core away from the valve seat.

[0021] In this technical solution, the fixed iron core is used to attract the movable iron core when the valve is started, so that the valve is opened.

[0022] In some embodiments, the electromagnetic valve with an adjustable valve seat further comprises a coil, the coil is arranged around the contact through hole.

[0023] The coil is used for generating a magnetic field when the electromagnetic valve of the adjustable valve seat is powered.

[0024] In some embodiments, the housing further comprises a coil mounting position, which is arranged around the contact through hole, and the coil is arranged in the coil mounting position.

[0025] The coil mounting position is used for mounting the coil.

[0026] The utility model discloses the beneficial effect is, through utilize the screw groove in the adjusting through -hole of valve body, thereby in the installation process, the position of adjusting valve seat reaches the effect of adjusting the stroke of movable iron core, plays the debugging effect of electromagnetic valve, and then reaches the requirement of reducing the size precision of each part, reduces the production cost, and through the utilization spring, after the end of work of electromagnetic valve, resets movable iron core and handles. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is whole schematic diagram of the electromagnetic valve of the adjustable valve seat of an embodiment of the utility model;

[0028] Figure 2 It is movable iron core schematic diagram of the electromagnetic valve of an embodiment of the utility model of the adjustable valve seat;

[0029] Figure 3 It is casing, valve body and valve seat schematic diagram of the electromagnetic valve of an embodiment of the utility model of the adjustable valve seat;

[0030] In the drawing: 1, casing;11, contact through hole;12, support platform;13, coil mounting position;2, movable iron core;21, iron core body;22, spring support;3, valve body;31, adjusting through -hole;32, screw groove;4, valve seat;5, spring;6, sealing element;61, sealing body, 62, sealing diaphragm;7, O ring;8, fixed iron core;9, coil;X, first direction. DETAILED DESCRIPTION

[0031] The advantages and features of the utility model will be more easily understood by the person skilled in the art by the preferred embodiments of the utility model in combination with the drawings, so that the protection scope of the utility model is more clearly defined.

[0032] In combination with the drawings, Figure 1 to the drawings, Figure 3 The utility model provides a kind of electromagnetic valve of adjustable valve seat, comprising:

[0033] Casing 1, the contact through hole 11 of being arranged in the casing 1 is stretched along first direction x, and casing 1 is used for installing various parts, so that the electromagnetic valve of adjustable valve seat normally operates, and contact through hole 11 is used for installing movable iron core 2;

[0034] a movable iron core 2, the movable iron core 2 extending along the first direction x, the movable iron core 2 being arranged in the contact through hole 11, the movable iron core 2 being movable in the contact through hole 11 so as to determine the optimal position of the valve seat 4 and the valve body 3;

[0035] a valve body 3, the valve body 3 being provided with an adjusting through hole 31, the contact through hole 11 and the adjusting through hole 31 being arranged side by side along the first direction x, the adjusting through hole 31 being provided with a threaded groove 32, the valve body 3 being used for mounting the valve seat 4, the valve seat 4 being used for adjusting the position of the movable iron core;

[0036] a valve seat 4, the valve seat 4 being arranged in the adjusting through hole 31, the position of the valve seat 4 being adjusted during the mounting process by using the threaded groove 32 in the adjusting through hole 31 of the valve body 3, so as to achieve the effect of adjusting the stroke of the movable iron core 2, play the debugging effect of the electromagnetic valve, and thus achieve the requirements of reducing the dimensional accuracy of each part and reducing the production cost; after the valve seat 4 and the valve body 3 are mounted, the valve body 3 and the valve seat 4 are fixed by using thread glue.

[0037] continue to combine the drawings Figure 1 As shown in some embodiments, the electromagnetic valve with an adjustable valve seat further comprises a spring 5, the spring 5 extending along the first direction x, the spring 5 connecting the movable iron core 2 and the shell 1, the spring 5 being used for resetting the movable iron core 2, after the electromagnetic valve is powered off, the spring 5 uses its own stress to restore the position of the movable iron core 2 to the initial position.

[0038] continue to combine the drawings Figure 1 to the drawings Figure 3 As shown in some embodiments, the edge of the contact through hole 11 is provided with a support table 12, the movable iron core 2 comprises an iron core body 21 and spring supports 22 protruding to both sides, one end of the spring 5 is fixed on the spring support 22, the other end of the spring 5 is arranged on the support table 12, the support table 12 is used for providing a fulcrum for the spring 5, facilitating the installation of the spring 5, the spring 5 is supported to facilitate the connection and fixation of the spring 5 and the movable iron core 2, when the electromagnetic valve with an adjustable valve seat is opened, the movable iron core 2 moves away from the valve seat 4, so that the spring 5 is compressed, when the electromagnetic valve with an adjustable valve seat is powered off and stops working, the stress inside the compressed spring 5 restores the movable iron core 2 to the initial position, completing the resetting process.

[0039] continue to combine the drawings Figure 1 As shown in some embodiments, the electromagnetic valve with an adjustable valve seat further comprises a sealing member 6, the sealing member 6 being fixed to one end of the movable iron core 2 close to the valve seat 4, the sealing member 6 being used for isolating the airflow so as to achieve the effect of blocking and controlling the external fluid.

[0040] Continue to combine with the appendix Figure 1 As shown, in some embodiments, the sealing element 6 includes a sealing body 61 and a sealing diaphragm 62. The sealing body 61 is snapped and fixed to the movable iron core 2, and the sealing diaphragm 62 is integrally formed with the sealing body 61. When the solenoid valve with the adjustable valve seat is closed, the sealing element 6 is used to dock with the valve seat 4, and the sealing diaphragm 62 docks with the valve body 3, thereby preventing fluid from entering the adjustment through hole 31. At the same time, when the solenoid valve with the adjustable valve seat is opened, the movable iron core 2 drives the sealing diaphragm 62 to move upward, so that the sealing diaphragm 62 is tightly attached to the support platform 12, sealing the contact through hole 11 and preventing fluid from entering the contact through hole 11.

[0041] Continue to combine with the appendix Figure 1 As shown, in some embodiments, the solenoid valve with an adjustable valve seat also includes an O-ring 7, which is disposed on the valve seat 4 and is used to seal the gap between the valve body 3 and the valve seat 4.

[0042] Continue to combine with the appendix Figure 1 As shown, in some embodiments, the solenoid valve with adjustable valve seat further includes a fixed iron core 8, which is disposed in the contact through hole 11. The fixed iron core 8 is disposed at the end of the movable iron core 2 away from the valve seat 4. When the valve is started, the solenoid valve with adjustable valve seat is energized, so that the fixed iron core 8 generates magnetic force, thereby attracting the movable iron core 2 and opening the valve.

[0043] Continue to combine with the appendix Figure 1 As shown, in some embodiments, the solenoid valve with adjustable seat further includes a coil 9 disposed around the contact through hole 11, the coil 9 being used to generate a magnetic field when the solenoid valve with adjustable seat is energized.

[0044] Continue to combine with the appendix Figure 3 As shown, in some embodiments, the housing 1 further includes a coil mounting position 13, which is disposed around the contact through hole 11, and the coil 9 is disposed within the coil mounting position 13 for mounting the coil 9.

[0045] In summary, this utility model provides an adjustable valve seat solenoid valve. By utilizing the threaded groove in the adjusting through hole of the valve body, the position of the valve seat can be adjusted during installation, thereby adjusting the stroke of the movable iron core and achieving the debugging effect of the solenoid valve. This reduces the dimensional accuracy requirements of various parts and lowers production costs. At the same time, by using a spring, the movable iron core is reset after the solenoid valve finishes working.

[0046] The above embodiments only illustrate the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. An electromagnetic valve with an adjustable valve seat, characterized in that The utility model relates to a valve, including: A shell is arranged with a contact through hole extending along a first direction; A movable iron core is arranged in the contact through hole and extends along the first direction; A valve body is arranged with an adjusting through hole, the contact through hole and the adjusting through hole are arranged side by side along the first direction, and the adjusting through hole is arranged with a threaded groove; A valve seat is arranged in the adjusting through hole.

2. The electromagnetically adjustable valve seat valve according to claim 1, characterized in that Further including a spring extending along the first direction, the spring connects the movable iron core and the shell.

3. The electromagnetically adjustable valve seat valve according to claim 2, characterized in that The edge of the contact through hole is arranged with a support platform, the movable iron core includes an iron core body and spring supports protruding to both sides, one end of the spring is fixed on the spring support, and the other end of the spring is arranged on the support platform.

4. The electromagnetically adjustable valve seat valve according to claim 1, characterized in that Further including a sealing element fixed to one end of the movable iron core close to the valve seat.

5. The electromagnetically adjustable valve seat valve according to claim 4, characterized in that The sealing element includes a sealing body and a sealing diaphragm, the sealing body is clamped and fixed with the movable iron core, and the sealing diaphragm is integrally formed with the sealing body.

6. The electromagnetically adjustable valve seat valve according to claim 1, characterized in that Further including an O-ring arranged on the valve seat.

7. The electromagnetically adjustable valve seat valve according to claim 1, wherein Further including a fixed iron core arranged in the contact through hole, the fixed iron core is arranged at one end of the movable iron core away from the valve seat.

8. The electromagnetically adjustable valve seat valve according to claim 1, characterized in that Further including a coil arranged around the contact through hole.

9. The electromagnetically adjustable valve seat valve according to claim 8, characterized in that The shell further includes a coil mounting position arranged around the contact through hole, and the coil is arranged in the coil mounting position.

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