CN219139514U

CN219139514U - Proportional valve

Info

Publication number: CN219139514U
Application number: CN202320192175.1U
Authority: CN
Inventors: 胡建; 胡银山; 陈建东
Original assignee: Dongguan Zhentian Precision Electronics Co ltd
Current assignee: Dongguan Zhentian Precision Electronics Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-06
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of valves, in particular to a proportional valve, which comprises a machine shell, wherein a framework is arranged in an inner cavity of the machine shell, a mounting plate is fixedly arranged at the bottom of the framework, the framework is tightly attached to the bottom surface of the inner cavity of the machine shell through the mounting plate, a PIN needle is fixedly arranged at the top of the framework, a coil is wound on the surface of the framework, an inner core is arranged in the inner cavity of the framework, a V-shaped rubber pad is arranged at the bottom of the inner core, a tuyere is arranged at the bottom of the framework, and the inner core is connected with the tuyere through the V-shaped rubber pad; when the coil is electrified, the coil generates a magnetic field, so that the inner core and the tuyere are attracted, the air passage can not be completely closed under small voltage, the function of adjusting the voltage to control the air flow of the air passage is achieved, and the proportional valve controls the air passage under different voltages of the electromagnetic valve by utilizing the V-shaped rubber pad, so that the effect of adjusting the flow of the air passage by using the voltage is achieved.

Description

Proportional valve

Technical Field

The utility model relates to the technical field of valves, in particular to a proportional valve.

Background

The proportional valve is a novel hydraulic control device. On the common pressure valve, flow valve and direction valve, the proportional electromagnet is used to replace the original control part, and the pressure, flow or direction of oil flow is controlled continuously and proportionally according to the input electric signal. The proportional valve generally has pressure compensation performance, and the output pressure and flow rate can not be influenced by load change. The proportional valve is a variable flow valve that can output a continuous flow range. In a proportional valve, the valve opening amount may be proportional to the solenoid current in the associated valve operating solenoid.

However, most of the existing proportional valves have many problems in the actual use process, the whole production process is greatly affected, the structure is complicated, the volume is large, and the air channel flow is not easy to adjust.

Disclosure of Invention

The present utility model is directed to a proportional valve, which solves the above-mentioned problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a proportional valve, includes the casing, the inner chamber of casing is provided with the skeleton, and the bottom fixed mounting of skeleton has the mounting panel, and the skeleton is hugged closely in the inner chamber bottom surface of casing through the mounting panel, and the skeleton is hugged closely in the inner chamber bottom surface of casing, and the top fixed mounting of skeleton has the PIN needle, and the surface winding of skeleton has the coil, and the inner core is installed to the inner chamber of skeleton, and the bottom of inner core is provided with V type rubber pad, and the bottom of skeleton is provided with the tuyere, and the inner core passes through V type rubber pad and tuyere and links to each other.

Further, the top of casing is riveted with the back lid, and the top joint of skeleton is in the surface of back lid.

Further, a spring is arranged between the inner core and the tuyere, the top end of the spring is sleeved at the bottom of the inner core, the bottom end of the spring is sleeved at the top of the tuyere, and the tuyere is connected with the inner core through the spring.

Further, the surface of the shell is provided with a through hole matched with the tuyere, the bottom end of the tuyere penetrates through the shell downwards through the through hole, and the tuyere is riveted on the shell.

The utility model has the beneficial effects that:

when the coil is electrified, the coil generates a magnetic field, so that the inner core and the tuyere are attracted, the air passage can not be completely closed under small voltage, the function of adjusting the voltage to control the air flow of the air passage is achieved, and the proportional valve controls the air passage under different voltages of the electromagnetic valve by utilizing the V-shaped rubber pad, so that the effect of adjusting the flow of the air passage by using the voltage is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an exploded view of the present utility model.

Reference numerals in the drawings are as follows:

1. a housing; 2. a skeleton; 3. a PIN needle; 4. a coil; 5. an inner core; 6. a tuyere; 7. v-shaped rubber pad; 8. a spring; 9. and a rear cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a proportional valve comprises a casing 1, wherein the casing 1 is arranged with an upward opening, a framework 2 is placed at the central part of an inner cavity of the casing 1, a mounting plate is fixedly arranged at the bottom of the framework 2, the framework 2 is tightly attached to the bottom surface of the inner cavity of the casing 1 through the mounting plate, two PIN needles 3 are fixedly arranged at the top of the framework 2, a coil 4 is wound on the surface of the framework 2, the coil 4 is tightly attached to the inner side wall of the casing 1, an inner core 5 is arranged in the inner cavity of the framework 2, the inner core 5 tightly abuts against the top of the inner cavity of the framework 2, a V-shaped rubber pad 7,V-shaped rubber pad 7 is arranged at the bottom of the inner core 5 and is adhered to the inner core 5 and then is placed in the framework 2, a rear cover 9 is finally riveted, a tuyere 6 is arranged at the bottom of the framework 2, and the inner core 5 is connected with the tuyere 6 through the V-shaped rubber pad 7.

The top of casing 1 is riveted with back lid 9, and the top joint of skeleton 2 is in the surface of back lid 9, and the top of skeleton 2 passes from back lid 9.

A spring 8 is arranged between the inner core 5 and the tuyere 6, the top end of the spring 8 is sleeved at the bottom of the inner core 5, the bottom end of the spring 8 is sleeved at the top of the tuyere 6, and the tuyere 6 is connected with the inner core 5 through the spring 8.

The surface of the shell 1 is provided with a through hole matched with the tuyere 6, the bottom end of the tuyere 6 downwards penetrates through the shell 1 through the through hole, and the tuyere 6 is riveted at the bottom of the shell 1.

When the coil 4 is electrified, a magnetic field is generated, so that the inner core 5 and the air nozzle 6 are attracted, and the air channel can not be completely closed under small voltage, thereby achieving the function of adjusting the voltage to control the air flow of the air channel; the effect of regulating the flow of the air passage by using voltage is achieved by controlling the air passage by using the V-shaped rubber pad 7 under different voltages of the electromagnetic valve.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a proportional valve, includes casing (1), its characterized in that, the inner chamber of casing (1) is provided with skeleton (2), and the bottom fixed mounting of skeleton (2) has the mounting panel, and skeleton (2) are hugged closely in the inner chamber bottom surface of casing (1) through the mounting panel, and the top fixed mounting of skeleton (2) has PIN needle (3), and the surface winding of skeleton (2) has coil (4), and inner core (5) are installed to the inner chamber of skeleton (2), and the bottom of inner core (5) is provided with V type rubber pad (7), and the bottom of skeleton (2) is provided with tuyere (6), and inner core (5) are continuous with tuyere (6) through V type rubber pad (7).

2. The proportional valve according to claim 1, wherein a rear cover (9) is riveted on the top of the casing (1), and the top of the skeleton (2) is clamped on the surface of the rear cover (9).

3. The proportional valve according to claim 1, wherein a spring (8) is arranged between the inner core (5) and the tuyere (6), the top end of the spring (8) is sleeved at the bottom of the inner core (5), the bottom end of the spring (8) is sleeved at the top of the tuyere (6), and the tuyere (6) is connected with the inner core (5) through the spring (8).

4. A proportioning valve as in claim 3 wherein the surface of the housing (1) is provided with a through hole for the tuyere (6) to cooperate with, the bottom end of the tuyere (6) is penetrated downwardly through the housing (1) by the through hole, and the tuyere (6) is riveted on the housing (1).