CN220600607U

CN220600607U - Low-noise electromagnetic valve

Info

Publication number: CN220600607U
Application number: CN202322184237.7U
Authority: CN
Inventors: 许全敏
Original assignee: Dongguan Yanfei Pneumatic Equipment Co ltd
Current assignee: Dongguan Yanfei Pneumatic Equipment Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-15
Anticipated expiration: 2033-08-14

Abstract

The utility model relates to the technical field of electromagnetic valves and discloses a low-noise electromagnetic valve which comprises a mounting cylinder shell, wherein an input pipe is fixedly arranged at the bottom of the mounting cylinder shell, an output pipe is fixedly arranged on the side surface of the mounting cylinder shell, a valve core assembly is rotatably connected inside the mounting cylinder shell, a control assembly is arranged between the valve core assembly and the bottom wall of the mounting cylinder shell, a sealing assembly is arranged at the top of the mounting cylinder shell, and sound-absorbing cotton is inserted into a slot and a strip-shaped slot. The electromagnetic iron is controlled by the controller to be electrified, so that the electromagnetic iron generates magnetism, the iron slide block is attracted, the rubber pad is arranged, noise generated when the iron slide block collides with the electromagnetic iron is reduced, the hollow rotary disc is driven to be arranged inside the cylinder shell, the diversion hole is rotated to the slot position and communicated with the output pipe, the noise generated when fluid flows from the diversion hole to the output pipe is reduced through the arrangement of the sound absorbing cotton, and therefore the purpose of low noise when the electromagnetic valve is used is achieved.

Description

Low-noise electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a low-noise electromagnetic valve.

Background

The electromagnetic valve is an electromagnetic control valve, and controls the opening and closing of the fluid channel through the electromagnetic valve to control whether the fluid can normally flow. Solenoid valves are many, and different solenoid valves function at different locations in the control system, most commonly one-way valves, safety valves, directional control valves, speed regulating valves, and the like.

The conventional electromagnetic valve controls the valve core to move in the valve body through the magnetic field to seal the cavity inside the valve body and realize communication of the cavity inside the valve body, and in the process, the valve core collides with the valve body to generate larger noise, so that the electromagnetic valve can be further improved.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a low-noise electromagnetic valve which has the advantages of avoiding the collision between a valve core and a valve body, along with low noise and the like, and solves the problem of large collision noise between the valve core and the valve body.

(II) technical scheme

In order to achieve the purpose of avoiding collision between the valve core and the valve body and reducing noise, the utility model provides the following technical scheme: the utility model provides a low noise solenoid valve, includes the installation shell, the bottom fixed mounting of installation shell has the input tube, installation shell side fixed mounting has the output tube, the inside rotation of installation shell is connected with the case subassembly, be provided with control assembly between case subassembly and the installation shell diapire, installation shell top is provided with seal assembly, the slot has been seted up to installation shell lateral wall and is located output tube opening part, the installation shell is located slot both sides wall and has all been seted up the bar groove, peg graft in slot and the bar inslot has the sound cotton of inhaling.

Preferably, the valve core assembly comprises a hollow rotary table arranged in the installation cylinder shell, a connecting pipe is fixedly arranged at the bottom of the hollow rotary table, a diversion hole is formed in the side face of the hollow rotary table, a jack is formed in the bottom wall of the installation cylinder shell corresponding to the connecting pipe, and the connecting pipe is spliced in the jack.

Preferably, the control assembly comprises an iron slide block fixedly mounted at the bottom of the hollow rotary table, an arc chute is formed in the bottom wall of the installation cylinder shell, the arc chute is slidably connected in the arc chute, a tension spring is fixedly mounted between one end face of the arc chute and the iron slide block, an electromagnet is fixedly mounted on the other end face of the arc chute, a rubber pad is fixedly mounted on the surface of the electromagnet, and an electromagnet connecting wire penetrates through the installation cylinder shell and extends to the outside.

Preferably, the iron slide block both sides are all rotated and are connected with the ball, the ball butt is on arc spout lateral wall.

Preferably, the seal assembly comprises a mounting cover arranged at the top of the mounting cylinder shell and a containing tube, the edge of the bottom of the containing tube is positioned inside the mounting cover, a linear groove is formed in an array of the inner wall of the containing tube, a mounting disc is connected in a sliding manner in the containing tube, a flange is arranged on the circumferential surface of the mounting disc in an array manner, the flange is embedded in the linear groove, a spring is fixedly installed between the mounting disc and the top wall of the mounting cover, an annular sliding rail is fixedly installed at the bottom of the mounting disc, a swivel is rotationally connected to the surface of the annular sliding rail, and an annular groove is formed in the top of the swivel in a manner corresponding to the annular sliding rail.

Preferably, the cross section of the annular sliding rail is in a shape of a Chinese character 'yang', and the annular groove is matched with the annular sliding rail.

Preferably, the top of the installation cylinder shell and the top of the installation cover are correspondingly provided with threaded holes, the threaded holes penetrate through the installation cover, and bolts are connected in the threaded holes in a threaded mode.

Preferably, the bottom of the installation cover is fixedly provided with a boss, the boss is matched with the slot and the strip-shaped groove, and the boss is inserted into the slot and the strip-shaped groove and is abutted to the top of the sound-absorbing cotton.

(III) beneficial effects

Compared with the prior art, the utility model provides a low-noise electromagnetic valve, which has the following beneficial effects:

the low-noise electromagnetic valve is characterized in that the electromagnet is controlled to be electrified through the controller, so that magnetism is generated by the electromagnet, the iron slide block is attracted, the iron slide block slides along the arc-shaped chute and approaches the electromagnet, and noise generated when the iron slide block collides with the electromagnet is reduced through the arrangement of the rubber pad; the hollow rotary table is driven to slide along the arc-shaped sliding groove through the iron sliding block, so that the guide hole rotates to the slot position and is communicated with the output pipe, fluid enters the connecting pipe from the input pipe, is discharged from the output pipe through the hollow rotary table and the guide hole, and noise generated when the fluid flows from the guide hole to the output pipe is reduced through the arrangement of sound absorbing cotton. Thereby achieving the purpose of low noise when the electromagnetic valve is used.

Drawings

FIG. 1 is a schematic perspective view of a low noise solenoid valve according to the present utility model;

FIG. 2 is a schematic perspective view of a low noise solenoid valve according to the present utility model;

FIG. 3 is a schematic perspective view of a valve core assembly of a low noise solenoid valve according to the present utility model;

FIG. 4 is a schematic perspective view of a seal assembly of a low noise solenoid valve according to the present utility model;

fig. 5 is a schematic perspective view of a seal assembly of a low noise electromagnetic valve according to the present utility model.

In the figure: 1. installing a cartridge housing; 2. an input tube; 3. an output pipe; 4. a valve core assembly; 5. a control assembly; 6. a seal assembly; 7. a slot; 8. a bar-shaped groove; 9. sound absorbing cotton; 41. a hollow turntable; 42. a connecting pipe; 43. a deflector aperture; 44. a jack; 51. an iron slide block; 52. an arc chute; 53. a tension spring; 54. an electromagnet; 55. a rubber pad; 56. a ball; 61. a mounting cover; 62. a receiving tube; 63. a wire groove; 64. a mounting plate; 65. a flange; 66. a spring; 67. an annular slide rail; 68. a swivel; 69. an annular groove.

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. 1-2, a low noise electromagnetic valve comprises a mounting cylinder shell 1, an input pipe 2 is fixedly mounted at the bottom of the mounting cylinder shell 1, an output pipe 3 is fixedly mounted at the side surface of the mounting cylinder shell 1, a valve core component 4 is rotatably connected inside the mounting cylinder shell 1, a control component 5 is arranged between the valve core component 4 and the bottom wall of the mounting cylinder shell 1, a sealing component 6 is arranged at the top of the mounting cylinder shell 1, a slot 7 is formed in the side wall of the mounting cylinder shell 1 and at the opening of the output pipe 3, strip-shaped grooves 8 are formed in the two side walls of the slot 7 of the mounting cylinder shell 1, and sound absorbing cotton 9 is inserted into the slot 7 and the strip-shaped grooves 8. By the arrangement of the sound absorbing cotton 9, noise generated when fluid flows from the slot 7 and the output pipe 3 is reduced.

Referring to fig. 2-3, the valve core assembly 4 includes a hollow rotary disc 41 disposed in the installation cylinder shell 1, a connecting tube 42 is fixedly mounted at the bottom of the hollow rotary disc 41, a diversion hole 43 is formed on the side surface of the hollow rotary disc 41, the diversion hole 43 corresponds to the output tube 3, the aperture of the diversion hole 43 is smaller than the width of the slot 7, and when the diversion hole 43 is opposite to the slot 7, the diversion hole 43 is communicated with the output tube 3. The bottom wall of the installation cylinder shell 1 is provided with an inserting hole 44 corresponding to the connecting pipe 42, and the connecting pipe 42 is inserted into the inserting hole 44, so that the connecting pipe 42 is communicated with the input pipe 2.

Referring to fig. 2-3, the control assembly 5 includes an iron slide block 51 fixedly installed at the bottom of the hollow turntable 41, an arc chute 52 is provided at the bottom wall of the installation cylinder shell 1, the arc chute 52 is slidably connected in the arc chute 52, a tension spring 53 is fixedly installed between one end surface of the arc chute 52 and the iron slide block 51, and an electromagnet 54 is fixedly installed at the other end surface of the arc chute 52, so that the iron slide block 51 tends to be far away from the electromagnet 54 due to the tension of the tension spring 53. The surface of the electromagnet 54 is fixedly provided with a rubber pad 55, a connecting wire of the electromagnet 54 penetrates through the installation cylinder shell 1 to extend to the outside, the electromagnet 54 is connected with an external controller through the connecting wire, and whether the electromagnet 54 is electrified or not is controlled through the controller. The two sides of the iron slide block 51 are both rotatably connected with balls 56, and the balls 56 are abutted on the side wall of the arc chute 52. By the arrangement of the balls 56, the friction force of the iron slide block 51 sliding in the arc-shaped slide groove 52 is reduced.

Referring to fig. 4-5, the sealing assembly 6 includes a mounting cover 61 and a receiving tube 62 disposed on the top of the mounting cylinder housing 1, and threaded holes are correspondingly formed in the top of the mounting cylinder housing 1 and the top of the mounting cover 61, the threaded holes penetrate through the mounting cover 61, and bolts are screwed into the threaded holes. The mounting cap 61 is detachably mounted on the mounting cylinder housing 1 by bolts. The bottom of the mounting cover 61 is fixedly provided with a boss, the boss is matched with the slot 7 and the strip-shaped groove 8, and the boss is inserted into the slot 7 and the strip-shaped groove 8 and is abutted to the top of the sound absorbing cotton 9. The top openings of the slot 7 and the strip-shaped slot 8 are further sealed by the boss. The bottom edge of the accommodating tube 62 is positioned inside the mounting cover 61, a linear groove 63 is formed in the inner wall of the accommodating tube 62 in an array manner, a mounting disc 64 is slidably connected in the accommodating tube 62, a flange 65 is arranged on the circumferential surface of the mounting disc 64 in an array manner, and the flange 65 is embedded in the linear groove 63.

Referring to fig. 4-5, a spring 66 is fixedly installed between the mounting plate 64 and the top wall of the mounting cover 61, and the mounting plate 64 has a downward movement tendency due to the elasticity of the spring 66. The bottom of the mounting plate 64 is fixedly provided with an annular slide rail 67, the surface of the annular slide rail 67 is rotationally connected with a swivel 68, and the top of the swivel 68 is provided with an annular groove 69 corresponding to the annular slide rail 67. The cross section of the annular slide rail 67 is in a shape of a Chinese character 'tu', and the annular groove 69 is matched with the annular slide rail 67. The swivel 68 is rotatably and stably attached to the bottom of the mounting plate 64. The swivel 68 is pressed against the top of the hollow rotary table 41 by the elasticity of the spring 66.

Working principle: the electromagnet 54 is controlled to be electrified through the controller, so that the electromagnet 54 generates magnetism to attract the iron slide block 51, the iron slide block 51 slides along the arc-shaped chute 52 and approaches the electromagnet 54, and noise generated when the iron slide block 51 collides with the electromagnet 54 is reduced through the arrangement of the rubber pad 55; in this process, the tension spring 53 is stretched to accumulate elastic potential energy.

The hollow rotary disc 41 is driven to rotate to the position of the slot 7 in the installation cylinder shell 1 by sliding the iron sliding block 51 along the arc-shaped sliding groove 52, and is communicated with the output pipe 3, so that fluid enters the connecting pipe 42 from the input pipe 2, is discharged from the output pipe 3 through the hollow rotary disc 41 and the guide hole 43, and noise generated when the fluid flows from the guide hole 43 to the output pipe 3 is reduced by setting the sound absorbing cotton 9.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low noise solenoid valve comprising a mounting cartridge (1), characterized in that: the utility model discloses a sound absorbing device, including installation shell (1), control assembly (5), slot (7) have been seted up to the bottom fixed mounting of installation shell (1), installation shell (1) side fixed mounting has output tube (3), installation shell (1) inside rotates to be connected with case subassembly (4), be provided with between case subassembly (4) and installation shell (1) diapire, installation shell (1) top is provided with seal assembly (6), installation shell (1) lateral wall just is located output tube (3) opening part and has seted up slot (7), installation shell (1) are located slot (7) both sides wall and all have seted up bar groove (8), peg graft in slot (7) and the bar groove (8) and inhale sound cotton (9).

2. The low noise solenoid valve of claim 1, wherein: the valve core assembly (4) comprises a hollow rotary table (41) arranged in an installation cylinder shell (1), a connecting pipe (42) is fixedly arranged at the bottom of the hollow rotary table (41), a diversion hole (43) is formed in the side face of the hollow rotary table (41), a jack (44) is formed in the bottom wall of the installation cylinder shell (1) corresponding to the connecting pipe (42), and the connecting pipe (42) is spliced in the jack (44).

3. The low noise solenoid valve of claim 1, wherein: the control assembly (5) comprises an iron sliding block (51) fixedly mounted at the bottom of the hollow rotary table (41), an arc sliding groove (52) is formed in the bottom wall of the installation barrel shell (1), the arc sliding groove (52) is slidably connected in the arc sliding groove (52), a tension spring (53) is fixedly mounted between one end face of the arc sliding groove (52) and the iron sliding block (51), an electromagnet (54) is fixedly mounted on the other end face of the arc sliding groove (52), a rubber pad (55) is fixedly mounted on the surface of the electromagnet (54), and a connecting wire of the electromagnet (54) penetrates through the installation barrel shell (1) to extend to the outside.

4. A low noise solenoid valve according to claim 3 wherein: the iron slide block (51) both sides are all rotated and are connected with ball (56), ball (56) butt is on arc spout (52) lateral wall.

5. The low noise solenoid valve of claim 1, wherein: seal assembly (6) are including setting up installation cover (61) at installation shell (1) top and holding pipe (62), hold pipe (62) bottom edge and be located installation cover (61) inside, it has linear groove (63) to hold pipe (62) inner wall array, it has mounting disc (64) to hold sliding connection in pipe (62), array is provided with flange (65) on mounting disc (64) periphery, flange (65) inlay and establish in linear groove (63), fixed mounting has spring (66) between mounting disc (64) and the roof of installation cover (61), annular slide rail (67) are installed to mounting disc (64) bottom fixed mounting, annular slide rail (67) surface rotation is connected with swivel (68), annular groove (69) have been seted up to swivel (68) top correspondence annular slide rail (67).

6. The low noise solenoid valve according to claim 5, wherein: the cross section of the annular sliding rail (67) is in a convex shape, and the annular groove (69) is matched with the annular sliding rail (67).

7. The low noise solenoid valve according to claim 5, wherein: screw holes are correspondingly formed in the top of the installation cylinder shell (1) and the top of the installation cover (61), the screw holes penetrate through the installation cover (61), and bolts are connected in the screw holes in a threaded mode.

8. The low noise solenoid valve according to claim 5 or 7, characterized in that: the bottom of the mounting cover (61) is fixedly provided with a boss, the boss is matched with the slot (7) and the strip-shaped groove (8), and the boss is inserted into the slot (7) and the strip-shaped groove (8) and is abutted to the top of the sound-absorbing cotton (9).