CN213629149U

CN213629149U - Ultra-small medical electromagnetic valve

Info

Publication number: CN213629149U
Application number: CN202022295916.8U
Authority: CN
Inventors: 朱雁; 梁浩贵; 甘乐
Original assignee: Mooxee Precision Industry Co
Current assignee: Mooxee Precision Industry Co
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-06
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a super little medical solenoid valve relates to medical electromagnetic control equipment technical field, which comprises a valve body, the inside top of valve body is provided with first body, and has offered the second body below of first body, the outside right side of valve body is embedded to have first sealing washer, and the outside right side welding of valve body has the lug, the left side of valve body is connected with the guide block, and the inside swing joint of guide block has the case, the fixed column is installed on the right side of guide block, and the left end threaded connection of fixed column has the limiting plate, be connected with the spring between limiting plate and the case. The utility model discloses in, the coil adopts panel beating iron cover indent to warp with the valve body and mediate and be connected, mediate the use that connects and can reduce the connecting piece, and then reduce the volume of device, and the solenoid valve structure that designs can further be simplified to the reduction of part, and then has reduced the manufacturing degree of difficulty of solenoid valve to can practice thrift the cost of making.

Description

Ultra-small medical electromagnetic valve

Technical Field

The utility model relates to a medical electromagnetic control equipment technical field especially relates to a super small medical solenoid valve.

Background

With the development of science and technology and the progress of times, the medical level of China is more advanced, medical equipment is developed towards the direction of precise micro, a plurality of micro-invasive operations need to be operated by micro equipment, an electromagnetic valve is usually used for controlling the medium flow in the equipment, the existing electromagnetic valve is large in size and more in internal parts, the manufacturing process of the electromagnetic valve is complicated, the manufacturing cost is high, and the electromagnetic valve cannot return to the initial state after a power supply is cut off.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a super small medical solenoid valve, the utility model discloses simple structure, convenient to use can effectually reduce the volume of solenoid valve, simplifies the structure of solenoid valve and reduces the cost of manufacture, can make the solenoid valve get back to initial condition, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a first pipe body is arranged above the interior of a valve body, a second pipe body is arranged below the first pipe body, a first sealing ring is embedded in the right side of the exterior of the valve body, a convex block is welded on the right side of the exterior of the valve body, a guide block is connected on the left side of the valve body, a valve core is movably connected inside the guide block, a fixed column is installed on the right side of the guide block, a limiting plate is in threaded connection with the left end of the fixed column, a spring is connected between the limiting plate and the valve core, a second sealing ring is arranged at the intersection of the valve core and the fixed column, a movable iron core is connected on the left side of the valve core, a stationary iron core is arranged on the left side of the movable iron core, a fourth sealing ring is installed between the stationary iron core and a sheet metal iron cover, a third sealing ring is sleeved on the exterior of the guide block, a sheet metal iron cover is installed, the outside left side of panel beating iron cover is provided with the cushion, and the left side of cushion installs binding post.

Furthermore, the coil excitation and the valve body are connected through concave deformation kneading of a metal plate iron cover, and a certain gap is reserved between the excitation coil and the guide block.

Furthermore, the valve core is in sliding connection with the guide block, and the valve core and the limiting plate form an elastic structure through a spring.

Further, the diameter of the groove on the right side of the valve core is larger than the aperture of the first pipe body, and the first sealing ring is provided with a small hole which is equal to the aperture of the first pipe body.

Furthermore, the movable iron core is connected with the valve core through a buckle, and the two wiring terminals are symmetrically distributed on the left side of the metal plate iron cover.

Furthermore, the first sealing ring is distributed in the center of the right side of the valve body in a shape like a Chinese character 'mu', and two convex blocks are symmetrically distributed on the right side of the valve body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses in, the coil adopts panel beating iron cover indent to warp with the valve body and mediate and be connected, mediate the use that connects and can reduce the connecting piece, and then reduce the volume of device, and the solenoid valve structure that designs can further be simplified to the reduction of part, and then has reduced the manufacturing degree of difficulty of solenoid valve to can practice thrift the cost of making.

2. The utility model discloses in, be provided with fixed limiting plate and spring, when the solenoid valve got electric, the iron core that moves among the exciting coil had magnetism, can be attracted and remove towards quiet iron core direction, moves the iron core and drives the case and remove, and the spring was compressed this moment, and when the solenoid valve loses the electricity, the case can remove under the effect of spring elasticity, makes the solenoid valve get back to initial condition.

3. The utility model discloses in, be provided with the guide block, the case and move the iron core and can freely remove in the guide block inside, the existence of guide block ensures to move iron core and case and can not skew direction when removing, and the case can't seal first body and second body, leads to the unable normal work of solenoid valve, and this accuracy nature that can guarantee the solenoid valve during operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the right side of the overall structure of the present invention;

fig. 3 is a schematic diagram of the distribution structure of the connecting terminal of the present invention;

fig. 4 is a schematic diagram of the overall explosion structure of the present invention.

Reference numbers in the figures: 1. a valve body; 2. a first pipe body; 3. a first seal ring; 4. a second tube body; 5. a second seal ring; 6. a bump; 7. a spring; 8. a valve core; 9. a limiting plate; 10. a movable iron core; 11. a stationary iron core; 12. a wiring terminal; 13. cushion blocks; 14. a sheet metal iron cover; 15. an exciting coil; 16. a third seal ring; 17. a guide block; 18. fixing a column; 19. and a fourth seal ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, a super-small medical electromagnetic valve comprises a valve body 1, a first tube 2, a first seal ring 3, a second tube 4, a second seal ring 5, a bump 6, a spring 7, a valve core 8, a limit plate 9, a movable iron core 10, a stationary iron core 11, a connecting terminal 12, a cushion block 13, a sheet metal iron cover 14, an exciting coil 15, a third seal ring 16, a guide block 17, a fixed column 18 and a fourth seal ring 19, wherein the first tube 2 is arranged above the inside of the valve body 1, the second tube 4 is arranged below the first tube 2, the first seal ring 3 is embedded in the right side of the outside of the valve body 1, the bump 6 is welded on the right side of the outside of the valve body 1, the guide block 17 is connected to the left side of the valve body 1, the valve core 8 is movably connected to the inside of the guide block 17, the fixed column 18 is arranged on the right side of the guide block, be connected with spring 7 between limiting plate 9 and the case 8, and case 8 and fixed column 18 crossing are provided with second sealing washer 5, the left side of case 8 is connected with moves iron core 10, the left side that moves iron core 10 is provided with quiet iron core 11, and installed fourth sealing washer 19 between quiet iron core 11 and the panel beating iron cover 14, the outside cover of guide block 17 has third sealing washer 16, panel beating iron cover 14 has been installed to the outside of valve body 1, and the inner wall of panel beating iron cover 14 installs exciting coil 15, the outside left side of panel beating iron cover 14 is provided with cushion 13, and binding post 12 is installed in the left side of cushion 13.

As shown in fig. 1, the exciting coil 15 and the valve body 1 of this embodiment are connected by concave deformation kneading of the sheet metal iron cover 14, and a certain gap is formed between the exciting coil 15 and the guide block 17, the exciting coil 15 and the valve body 1 are connected by concave deformation kneading of the sheet metal iron cover 14, the kneading connection can reduce the connecting pieces, and can further simplify the designed electromagnetic valve structure, the valve core 8 and the guide block 17 are connected in a sliding manner, and the valve core 8 and the limit plate 9 form an elastic structure through the spring 7, the sliding connection ensures that the valve core 8 can move freely inside the guide block 17, the elastic structure ensures that the valve core 8 can move rightwards under the elastic force of the spring 7 after the electromagnetic valve loses power, so as to seal the first pipe body 2 and the second pipe body 4, the diameter of the groove of the valve core 8 is larger than the aperture of the first pipe body 2, the first seal ring 3 is provided with a small aperture equal to, the diameter of the groove on the right side of the valve core 8 is larger than the aperture of the first pipe body 2, so that the first pipe body 2 can enter the groove, and the first pipe body 2 is sealed.

As shown in fig. 1 and 3, the movable iron core 10 and the valve core 8 of the present embodiment are connected by a snap, two connecting terminals 12 are symmetrically distributed on the left side of the sheet metal iron cover 14, and the movable iron core 10 and the valve core 8 are conveniently replaced by the snap connection.

As shown in fig. 2, first sealing washer 3 of this embodiment is "mesh" word form and distributes in the right side central authorities of valve body 1, lug 6 has two about the diagonal symmetric distribution in the right side of valve body 1, first sealing washer 3 is "mesh" word form and distributes in the right side central authorities of valve body 1, just wrap up the inboard edge of valve body 1 completely, ensure that the medium can not pass through from the inboard edge of valve body 1, lug 6 has two about the diagonal symmetric distribution in the right side of valve body 1, when fixed with the solenoid valve, lug 6 of diagonal distribution can be fixed on the adaptation base, and lug 6 of diagonal distribution can make the fixed effect of solenoid valve better.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model discloses the theory of operation: when in use, the first sealing ring 3 is embedded and arranged at the right side of the valve body 1, the electromagnetic valve is in a closed state under normal conditions, the wiring terminal 12 is communicated with an external control system, gas enters the electromagnetic valve from the first pipe body 2, the working port is connected with the first pipe body 2 of the actuating element, the electromagnetic valve is electrified through the wiring terminal 12, the movable iron core 10 in the exciting coil 15 generates magnetic force, the movable iron core 10 is attracted to move towards the static iron core 11, the spring 7 is compressed, the movable iron core 10 is connected with the valve core 8 to drive the valve core 8 to move rightwards, at the moment, the first pipe body 2 and the second pipe body 4 are in a communication state, when the electromagnetic valve is de-energized, move left under the effect of spring 7 elasticity at case 8, until first body 2 and second body 2 and the recess cooperation on case 8 right side, seal first body 2 and second body 4, can not communicate between first body 2 and the second body 4.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides an ultra-small medical solenoid valve, includes valve body (1), its characterized in that: a first pipe body (2) is arranged above the inside of the valve body (1), a second pipe body (4) is arranged below the first pipe body (2), a first sealing ring (3) is embedded in the right side of the outside of the valve body (1), a lug (6) is welded on the right side of the outside of the valve body (1), the left side of the valve body (1) is connected with a guide block (17), a valve core (8) is movably connected inside the guide block (17), a fixed column (18) is installed on the right side of the guide block (17), a limiting plate (9) is in threaded connection with the left end of the fixed column (18), a spring (7) is connected between the limiting plate (9) and the valve core (8), a second sealing ring (5) is arranged at the intersection of the valve core (8) and the fixed column (18), a movable iron core (10) is connected on the left side of the valve core (8), a static iron core (11) is, and install fourth sealing washer (19) between quiet iron core (11) and panel beating iron cover (14), the outside cover of guide block (17) has third sealing washer (16), panel beating iron cover (14) have been installed to the outside of valve body (1), and the inner wall of panel beating iron cover (14) installs exciting coil (15), the outside left side of panel beating iron cover (14) is provided with cushion (13), and binding post (12) are installed in the left side of cushion (13).

2. The ultra-small medical solenoid valve of claim 1, wherein: the exciting coil (15) and the valve body (1) are connected in a concave deformation kneading mode through a sheet metal iron cover (14), and a certain gap is reserved between the exciting coil (15) and the guide block (17).

3. The ultra-small medical solenoid valve of claim 1, wherein: the valve core (8) is in sliding connection with the guide block (17), and the valve core (8) and the limiting plate (9) form an elastic structure through a spring (7).

4. The ultra-small medical solenoid valve of claim 1, wherein: the diameter of the groove on the right side of the valve core (8) is larger than the aperture of the first pipe body (2), and a small hole which is equal to the aperture of the first pipe body (2) is formed in the first sealing ring (3).

5. The ultra-small medical solenoid valve of claim 1, wherein: the movable iron core (10) is connected with the valve core (8) in a buckling mode, and the two wiring terminals (12) are symmetrically distributed on the left side of the sheet metal iron cover (14).

6. The ultra-small medical solenoid valve of claim 1, wherein: the first sealing ring (3) is distributed in the center of the right side of the valve body (1) in a shape like a Chinese character 'mu', and the two convex blocks (6) are symmetrically distributed on the right side of the valve body (1) in terms of diagonal lines.