CN212804371U - Electromagnetic valve capable of preventing friction damage - Google Patents

Abstract

The utility model discloses a solenoid valve of anti-friction damage, including shell, intake pipe, first outlet duct, second outlet duct and two end covers, the center department of shell is equipped with the connecting rod, the both ends of connecting rod are all fixed to be equipped with and move the iron core, two the inboard equal activity of end cover is equipped with the ball, just move iron core and ball overlap joint. The utility model discloses a moving the iron core left side and moving the iron core and move on left side that the iron core passes through the connecting rod and drives piston and right side simultaneously, this moment intake pipe is the on-state with the second outlet duct, the right side moves the iron core and drives piston and left moving the iron core right side simultaneously through the connecting rod and moves, this moment intake pipe is the on-state with first outlet duct, move the iron core and remove the in-process, the ball will move the sliding friction power that the iron core removed the production and change rolling friction power into, reduce the friction power that moves the iron core and receive, the during operation of this solenoid valve, it is little to move the friction power that the iron.

Description

Electromagnetic valve capable of preventing friction damage

Technical Field

The utility model relates to a solenoid valve technical field, concretely relates to solenoid valve of anti-friction damage.

Background

The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be matched with different circuits to realize expected control, ensures both the control precision and flexibility, has various electromagnetic valves, plays a role in different positions of the control system, and is most commonly a one-way valve, a safety valve, a direction control valve, a speed regulating valve and the like;

the prior art has the following defects: the movable iron core inside the electromagnetic valve is usually in contact sliding connection with an electromagnetic valve end cover, and in the long-term use process, the edge of the movable iron core and the inner wall of the electromagnetic valve end cover are abraded, so that the movable iron core cannot move, and the electromagnetic valve is damaged and cannot be used.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a solenoid valve of friction damage prevents, in specific structure, replaces neodymium iron boron magnetic steel's scheme, but this scheme, greatly reduced material cost increases the problem of proposition in order to solve above-mentioned background art in the income of enterprise.

In order to achieve the above object, the present invention provides the following technical solutions: a magnetic valve capable of preventing friction damage comprises a shell, an air inlet pipe, a first air outlet pipe, a second air outlet pipe and two end covers, wherein a connecting rod is arranged in the center of the shell, movable iron cores are fixedly arranged at two ends of the connecting rod, balls are movably arranged on the inner sides of the two end covers, and the movable iron cores are in lap joint with the balls;

the outside of connecting rod is fixed and is equipped with two pistons, and two the piston is corresponding with first outlet duct and second outlet duct position respectively, the both ends of the inboard of shell all are equipped with the spring, just the tip and the piston butt of spring, two the inside of end cover all is fixed and is equipped with the electro-magnet, just move the iron core and be connected with the electro-magnet magnetism.

Preferably, the two end covers are distributed in central symmetry relative to the shell, and both end covers are in threaded connection with the shell.

Preferably, the intake pipe sets up in the bottom center department of shell, first outlet duct and second outlet duct set up in the bottom both sides of shell, just intake pipe, first outlet duct and second outlet duct all with the shell turn-on connection.

Preferably, the number of the movable iron cores is two, and the two movable iron cores are distributed in central symmetry around the connecting rod.

Preferably, the inner side of the end cover is provided with a groove corresponding to the position of the ball, the ball is embedded in the groove, and the number of the balls is multiple.

Preferably, the number of the electromagnets is two, and the two electromagnets are fixedly connected with the two end covers through viscose respectively.

Preferably, the top of the end cover is fixedly provided with an electric connector, and the electromagnet is electrically connected with the electric connector through a flat cable.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model discloses a moving the iron core left side and moving on iron core that the iron core passes through the connecting rod and drives piston and right side simultaneously and move, this moment intake pipe is the on-state with the second outlet duct, the right side moves the iron core and drives piston and left moving the iron core right side simultaneously through the connecting rod and moves, this moment intake pipe is the on-state with first outlet duct, move the iron core and remove the in-process, the ball will move the sliding friction power that the iron core removed the production and change rolling friction power into, reduce the friction power that moves the iron core and receive, compare with the solenoid valve of current easy wearing and tearing, the during operation of this solenoid valve, it is little to move the friction power that the.

Drawings

In order to clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also obvious for a person skilled in the art to obtain other drawings according to these drawings.

Fig. 1 is a longitudinal sectional view of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is one of the usage scenarios of the present invention.

Fig. 4 is a second usage scenario of the present invention.

Fig. 5 is a schematic view of the overall structure of the present invention.

Description of reference numerals:

1. a housing; 2. an air inlet pipe; 3. a first air outlet pipe; 4. a second air outlet pipe; 5. a connecting rod; 6. a movable iron core; 7. a ball bearing; 8. a piston; 9. a spring; 10. an end cap; 11. an electromagnet; 12. and (6) connecting the electric connector.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a solenoid valve for preventing friction damage as shown in figures 1-5, which comprises a shell 1, an air inlet pipe 2, a first air outlet pipe 3, a second air outlet pipe 4 and two end covers 10, wherein a connecting rod 5 is arranged at the center of the shell 1, movable iron cores 6 are fixedly arranged at the two ends of the connecting rod 5, balls 7 are movably arranged at the inner sides of the two end covers 10, and the movable iron cores 6 are lapped with the balls 7;

two pistons 8 are fixedly arranged on the outer side of the connecting rod 5, the two pistons 8 correspond to the first air outlet pipe 3 and the second air outlet pipe 4 respectively, springs 9 are arranged at two ends of the inner side of the shell 1, the end portions of the springs 9 are abutted against the pistons 8, electromagnets 11 are fixedly arranged inside the two end covers 10, and the movable iron core 6 is magnetically connected with the electromagnets 11;

further, in the above technical solution, the two end caps 10 are distributed in central symmetry with respect to the housing 1, and the two end caps 10 are both in threaded connection with the housing 1, so as to facilitate assembly and disassembly of the end caps 10 and the housing 1;

further, in the above technical solution, the gas inlet pipe 2 is disposed at the center of the bottom of the housing 1, the first gas outlet pipe 3 and the second gas outlet pipe 4 are disposed at two sides of the bottom of the housing 1, and the gas inlet pipe 2, the first gas outlet pipe 3 and the second gas outlet pipe 4 are all in conductive connection with the housing 1, and are convenient to enter through the arranged gas inlet pipe 2 and convenient to exit through the arranged first gas outlet pipe 3 and the arranged second gas outlet pipe 4;

further, in the above technical solution, two movable iron cores 6 are provided, and the two movable iron cores 6 are distributed in central symmetry with respect to the connecting rod 5;

further, in the above technical solution, a groove corresponding to the position of the ball 7 is provided on the inner side of the end cover 10, and the ball 7 is embedded in the groove, and the number of the balls 7 is plural, so that the friction force applied to the moving iron core 6 during moving is effectively reduced by the provided balls 7;

further, in the above technical scheme, two electromagnets 11 are provided, and the two electromagnets 11 are respectively fixedly connected with the two end covers 10 through viscose, so that the moving iron core 6 is conveniently driven to move through the provided electromagnets 11;

further, in the above technical scheme, an electric connector 12 is fixedly arranged at the top of the end cover 10, the electromagnet 11 and the electric connector 12 are electrically connected through a flat cable, and the electromagnet 11 can be conveniently connected to a power supply through the electric connector 12.

Example (b): the electricity-receiving tube 12 is electrically connected with an external controller through a power line, when the device is used, the left electromagnet 11 is controlled to be connected with the power supply, the left electromagnet 11 is connected with electricity to generate magnetism, so as to adsorb the left movable iron core 6, the left movable iron core 6 simultaneously drives the piston 8 and the right movable iron core 6 to move left through the connecting rod 5, at the moment, the air inlet tube 2 is in a conduction state with the second air outlet tube 4, the right electromagnet 11 is controlled to be connected with the power supply, the right electromagnet 11 is connected with electricity to generate magnetism, so as to adsorb the right movable iron core 6, the right movable iron core 6 simultaneously drives the piston 8 and the left movable iron core 6 to move right through the connecting rod 5, at the moment, the air inlet tube 2 is in a conduction state with the first air outlet tube 3, when the two electromagnets 11 are not connected with the power supply, the spring 9, the ball 7 changes sliding friction force generated by the movement of the movable iron core 6 into rolling friction force, so that the friction force borne by the movable iron core 6 is reduced, and the friction force borne by the movable iron core is small, not easy to damage and long in service life when the electromagnetic valve works.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. The utility model provides an electromagnetic valve of antifriction damage, includes shell (1), intake pipe (2), first outlet duct (3), second outlet duct (4) and two end cover (10), its characterized in that: a connecting rod (5) is arranged at the center of the shell (1), movable iron cores (6) are fixedly arranged at two ends of the connecting rod (5), balls (7) are movably arranged on the inner sides of the two end covers (10), and the movable iron cores (6) are in lap joint with the balls (7);

the outside of connecting rod (5) is fixed and is equipped with two pistons (8), and two piston (8) are corresponding with first outlet duct (3) and second outlet duct (4) position respectively, the both ends of the inboard of shell (1) all are equipped with spring (9), just the tip and piston (8) butt of spring (9), two the inside of end cover (10) is all fixed and is equipped with electro-magnet (11), just it is connected with electro-magnet (11) magnetism to move iron core (6).

2. A friction damage prevention solenoid valve as defined in claim 1 wherein: the two end covers (10) are distributed in a central symmetry mode relative to the shell (1), and the two end covers (10) are in threaded connection with the shell (1).

3. A friction damage prevention solenoid valve as defined in claim 1 wherein: intake pipe (2) set up in the bottom center department of shell (1), first outlet duct (3) and second outlet duct (4) set up in the bottom both sides of shell (1), just intake pipe (2), first outlet duct (3) and second outlet duct (4) all are connected with shell (1) switch on.

4. A friction damage prevention solenoid valve as defined in claim 1 wherein: the number of the movable iron cores (6) is two, and the two movable iron cores (6) are distributed in a centrosymmetric mode around the connecting rod (5).

5. A friction damage prevention solenoid valve as defined in claim 1 wherein: the inner side of the end cover (10) is provided with a groove corresponding to the position of the ball (7), the ball (7) is embedded in the groove, and the number of the balls (7) is multiple.

6. A friction damage prevention solenoid valve as defined in claim 1 wherein: the number of the electromagnets (11) is two, and the electromagnets (11) are fixedly connected with the two end covers (10) through viscose respectively.

7. A friction damage prevention solenoid valve as defined in claim 1 wherein: the top of the end cover (10) is fixedly provided with an electric connector (12), and the electromagnet (11) is electrically connected with the electric connector (12) through a flat cable.

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