CN215172251U

CN215172251U - Anti-impact electromagnetic valve with slow-opening and fast-closing functions

Info

Publication number: CN215172251U
Application number: CN202120393072.2U
Authority: CN
Inventors: 马健; 严树强; 王涛; 李胜君; 陈昊
Original assignee: Jiaxing Dme Automation Co ltd
Current assignee: Jiaxing Dme Automation Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-12-14
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses a protecting against shock solenoid valve with slow-opening fast-closing function relates to the solenoid valve field, including square pipeline, the equal fixedly connected with fixed stop of upper and lower both ends inner wall of square pipeline, be provided with annular guide plate between two fixed stop, a side fixed connection that the both sides of annular guide plate lateral wall lower extreme are close to each other with two fixed stop respectively, and square pipeline's upper surface is provided with the casing, and the spout has been seted up to the lower extreme of casing, and the inner chamber of spout is linked together with square pipeline's inner chamber, is provided with the movable iron core with spout looks adaptation in the inner chamber of spout. The utility model discloses cross and be provided with the movable plate in the inner chamber of first standing groove, the through-hole has been seted up to the lower extreme of first standing groove, and the lower extreme of movable plate bonds and has elastic rubber pad, and elastic rubber pad and first thrust spring can slow down the impact force of movable core to annular guide plate, have improved the life of solenoid valve.

Description

Anti-impact electromagnetic valve with slow-opening and fast-closing functions

Technical Field

The utility model relates to a solenoid valve field, in particular to protecting against shock solenoid valve with open fast shut function slowly.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.

Current solenoid valve when realizing switch and closure to gas line, the outage of deciding the iron core, move the iron core and can kick-back rapidly under the effect of spring and block gaseous circulation in the pipeline, can produce very big impact force, can produce the damage to the solenoid valve after the use that relapse, and the solenoid valve that on the other hand is current all links together through welding mode and circulation pipeline, is not convenient for overhaul the solenoid valve. Therefore, it is necessary to provide an anti-impact solenoid valve with slow-opening and fast-closing functions to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protecting against shock solenoid valve with open fast shut function slowly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-impact electromagnetic valve with a slow-opening and fast-closing function comprises a square pipeline, wherein fixed baffles are fixedly connected to the inner walls of the upper end and the lower end of the square pipeline, an annular guide plate is arranged between the two fixed baffles, two sides of the lower end of the outer side wall of the annular guide plate are fixedly connected with one side face, close to the two fixed baffles, respectively, a shell is arranged on the upper surface of the square pipeline, a chute is formed in the lower end of the shell, an inner cavity of the chute is communicated with an inner cavity of the square pipeline, a movable iron core matched with the chute is arranged in the inner cavity of the chute, the lower end of the movable iron core is positioned in the inner cavity of the square pipeline, a first placing groove is formed in the lower end of the movable iron core, a movable plate matched with the inner cavity of the first placing groove is arranged in the inner cavity of the first placing groove, and a first thrust spring is fixedly connected to the middle part of the upper surface of the movable plate, the upper end of the first thrust spring is fixedly connected with the middle part of the inner wall of the upper end of the first placing groove, a through hole is formed in the inner wall of the lower end of the first placing groove, an elastic rubber pad is fixedly bonded to the middle part of the lower surface of the moving plate, the elastic rubber pad is located in the through hole and matched with the through hole, and the upper surface of the annular guide plate is connected with the lower surface of the through hole in a laminating mode.

Preferably, a second placing groove is formed in the upper end of the shell, and a fixed iron core is fixedly connected to the middle of the inner wall of the upper end of the second placing groove.

Preferably, the lower end of the fixed iron core penetrates through the inner wall of the lower end of the second placing groove and extends into the inner cavity of the sliding groove, and the electromagnetic coil located in the inner cavity of the second placing groove is wound on the outer side of the fixed iron core.

Preferably, the upper end of the movable iron core is provided with a groove, and the bottom of the groove is fixedly connected with a second thrust spring.

Preferably, the upper end of the second thrust spring is fixedly connected with the lower surface of the fixed iron core, and the lower surface of the shell is provided with an annular groove.

Preferably, the upper surface of the square pipeline is fixedly connected with an annular connecting plate, and the annular groove is movably connected with the annular connecting plate through threads.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a through be provided with the movable plate in the inner chamber of first standing groove, the lower extreme of first standing groove has seted up the through-hole, and the lower extreme of movable plate bonds there is elastic rubber pad, and when solenoid cut off the power supply, the movable core is replied under the thrust effect that deformation produced through the second thrust spring and is replied rapidly, and elastic rubber pad and first thrust spring can slow down the impact force of movable core to annular guide plate this moment, have improved the life of solenoid valve;

2. the utility model discloses a ring channel has been seted up to the lower surface at the casing, and square pipeline's upper surface is provided with annular connecting plate, and the ring channel passes through screw thread swing joint with annular connecting plate, through rotating the casing, can separate casing and square pipeline to made things convenient for and overhauld the solenoid valve.

Drawings

Fig. 1 is a schematic view of the overall structure section of the present invention.

Fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a square pipe; 2. fixing a baffle plate; 3. an annular baffle; 4. a housing; 5. a chute; 6. a movable iron core; 7. a first placing groove; 8. moving the plate; 9. a first thrust spring; 10. a through hole; 11. an elastic rubber pad; 12. a second placing groove; 13. fixing an iron core; 14. an electromagnetic coil; 15. a groove; 16. a second thrust spring; 17. an annular groove; 18. annular connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a as shown in fig. 1-3 a protecting against shock solenoid valve with slow-opening fast-closing function, including square pipeline 1, the equal fixedly connected with fixed stop 2 of square pipeline 1's upper and lower both ends inner wall, be provided with annular guide plate 3 between two fixed stop 2, the both sides of 3 lateral wall lower extremes of annular guide plate are respectively with a side fixed connection that two fixed stop 2 are close to each other, square pipeline 1's upper surface is provided with casing 4, spout 5 has been seted up to casing 4's lower extreme, spout 5's inner chamber is linked together with square pipeline 1's inner chamber, be provided with the movable iron core 6 with 5 looks adaptations of spout in spout 5's the inner chamber, movable iron core 6 can carry out vertical removal in spout 5's inner chamber.

The lower end of the movable iron core 6 is positioned in the inner cavity of the square pipeline 1, the upper end of the shell 4 is provided with a second placing groove 12, the middle part of the inner wall of the upper end of the second placing groove 12 is fixedly connected with a fixed iron core 13, the lower end of the fixed iron core 13 penetrates through the inner wall of the lower end of the second placing groove 12 and extends into the inner cavity of the sliding groove 5, the outer side of the fixed iron core 13 is wound with an electromagnetic coil 14 positioned in the inner cavity of the second placing groove 12, when the second placing groove 12 is electrified, the fixed iron core 13 can generate magnetic force, the fixed iron core 13 can generate upward attraction force on the movable iron core 6 to drive the movable iron core 6 to vertically move upwards, the upper end of the movable iron core 6 is provided with a groove 15, the groove bottom of the groove 15 is fixedly connected with a second thrust spring 16, the upper end of the second thrust spring 16 is fixedly connected with the lower surface of the fixed iron core 13, the second thrust spring 16 can generate elastic deformation, the lower surface of the shell 4 is provided with an annular groove 17, the upper surface of square pipeline 1 is fixedly connected with annular connecting plate 18, and annular groove 17 passes through screw thread swing joint with annular connecting plate 18, through rotating casing 4, can make annular connecting plate 18 and annular groove 17 take place to break away from, and the convenience is overhauld this device.

The lower end of the movable iron core 6 is provided with a first placing groove 7, the inner cavity of the first placing groove 7 is internally provided with a moving plate 8 matched with the inner cavity of the first placing groove 7, the moving plate 8 can vertically move in the inner cavity of the first placing groove 7, the middle part of the upper surface of the moving plate 8 is fixedly connected with a first thrust spring 9, the upper end of the first thrust spring 9 is fixedly connected with the middle part of the inner wall of the upper end of the first placing groove 7, the inner wall of the lower end of the first placing groove 7 is provided with a through hole 10, the middle part of the lower surface of the moving plate 8 is fixedly bonded with an elastic rubber pad 11, the elastic rubber pad 11 is positioned in the through hole 10 and matched with the through hole 10, the elastic rubber pad 11 can generate elastic deformation, the upper surface of the annular guide plate 3 is bonded with the lower surface of the through hole 10, when the electromagnetic coil 14 is powered off, the first thrust spring 9 can generate elastic deformation, so that the impact force of the movable iron core 6 on the annular guide plate 3 can be reduced through the elastic rubber pad 11 and the first thrust spring 9, the service life of the device is prolonged.

The utility model discloses the theory of operation:

when the device is used, firstly, the electromagnetic coil 14 is electrified, the fixed iron core 13 can generate electromagnetic force by electrifying the electromagnetic coil 14, so that upward attraction is generated on the movable iron core 6, the movable iron core 6 vertically moves upwards in the inner cavity of the sliding groove 5, the through hole 10 is driven by the vertical upward movement of the movable iron core 6 to synchronously vertically move upwards, at the moment, the upper surface of the annular guide plate 3 is separated from the lower surface of the through hole 10, and then gas can circulate in the inner cavity of the square pipeline 1;

then when solenoid 14 outage, the thrust that second thrust spring 16 produced through replying deformation, promote the vertical downstream of movable iron core 6, when the lower surface of through-hole 10 and the upper surface contact of annular guide plate 3, annular guide plate 3 promotes the vertical rebound of through-hole 10, the vertical rebound of through-hole 10 drives movable plate 8 and carries out vertical rebound in the inner chamber of first standing groove 7, the vertical rebound of movable plate 8 makes first thrust spring 9 take place elastic deformation, thereby slow down the impact force to annular guide plate 3, improve the life of this device, after that when this device needs to be overhauld, through rotating casing 4, the rotation of casing 4, can make annular connecting plate 18 and ring channel 17 take place to break away from, thereby make casing 4 and square pipeline 1 can dismantle, made things convenient for overhauls this device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an protecting against shock solenoid valve with slow-opening fast-closing function, includes square pipeline (1), its characterized in that: the inner walls of the upper end and the lower end of the square pipeline (1) are fixedly connected with fixed baffles (2), an annular guide plate (3) is arranged between the two fixed baffles (2), two sides of the lower end of the outer side wall of the annular guide plate (3) are fixedly connected with one side face of each of the two fixed baffles (2) which is close to each other, a shell (4) is arranged on the upper surface of the square pipeline (1), a chute (5) is formed in the lower end of the shell (4), the inner cavity of the chute (5) is communicated with the inner cavity of the square pipeline (1), a movable iron core (6) matched with the chute (5) is arranged in the inner cavity of the chute (5), the lower end of the movable iron core (6) is positioned in the inner cavity of the square pipeline (1), a first placing groove (7) is formed in the lower end of the movable iron core (6), and a movable plate (8) matched with the inner cavity of the first placing groove (7) is arranged in the inner cavity of the first placing groove (7), the upper surface middle part fixedly connected with of movable plate (8) first thrust spring (9), the upper end of first thrust spring (9) and the upper end inner wall middle part fixed connection of first standing groove (7), through-hole (10) have been seted up to the lower extreme inner wall of first standing groove (7), the lower surface middle part fixed bonding of movable plate (8) has elastic rubber pad (11), elastic rubber pad (11) are located through-hole (10) and with through-hole (10) looks adaptation, the upper surface and the laminating of through-hole (10) lower surface of annular guide plate (3) are connected.

2. The anti-impact electromagnetic valve with the slow-opening and fast-closing functions according to claim 1, is characterized in that: a second placing groove (12) is formed in the upper end of the shell (4), and a fixed iron core (13) is fixedly connected to the middle of the inner wall of the upper end of the second placing groove (12).

3. The anti-impact electromagnetic valve with the slow-opening and fast-closing functions as claimed in claim 2, characterized in that: the lower end of the fixed iron core (13) penetrates through the inner wall of the lower end of the second placing groove (12) and extends into the inner cavity of the sliding groove (5), and an electromagnetic coil (14) located in the inner cavity of the second placing groove (12) is wound on the outer side of the fixed iron core (13).

4. The anti-impact electromagnetic valve with the slow-opening and fast-closing functions as claimed in claim 3, characterized in that: a groove (15) is formed in the upper end of the movable iron core (6), and a second thrust spring (16) is fixedly connected to the bottom of the groove (15).

5. The anti-impact electromagnetic valve with the slow-opening and fast-closing functions according to claim 4, is characterized in that: the upper end of the second thrust spring (16) is fixedly connected with the lower surface of the fixed iron core (13), and an annular groove (17) is formed in the lower surface of the shell (4).

6. The anti-impact electromagnetic valve with the slow-opening and fast-closing functions according to claim 5, is characterized in that: the upper surface of the square pipeline (1) is fixedly connected with an annular connecting plate (18), and the annular groove (17) is movably connected with the annular connecting plate (18) through threads.