CN214698563U

CN214698563U - Electromagnetic valve

Info

Publication number: CN214698563U
Application number: CN202120748209.1U
Authority: CN
Inventors: 侯敏; 刘正雷; 彭彪
Original assignee: Hunan Chutian Huaxing Intelligent Equipment Co ltd
Current assignee: Hunan Chutian Huaxing Intelligent Equipment Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-12
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a solenoid valve, including valve body, case, iron core and coil, still include emergent valve body and can drive the emergent case that the case removed, emergent valve body is located the valve body with between the iron core, emergent case is located in the emergent valve body, be equipped with the rotating member on the emergent valve body, be equipped with on the rotating member and be used for driving the oscillating member that emergent case removed. The utility model has the advantages of simple structure, convenient and reliable emergency operation, etc.

Description

Electromagnetic valve

Technical Field

The utility model relates to a hydraulic system control unit especially relates to a solenoid valve.

Background

The hydraulic system is greatly influenced by the cleanliness of oil, and the hydraulic valve is easy to block. Because the force of the solenoid valve on the valve core is small, the possibility of generating clamping stagnation failure is higher. Therefore, the electromagnetic valve needs to be provided with a manual emergency device in a matching way, and can be manually and emergently reversed under the condition that the valve core is blocked. The existing manual emergency operation of the solenoid valve is basically realized by adopting a manual pulling mode at the tail end of a solenoid valve coil, is not simple and convenient enough and is generally rarely used.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, emergent convenient operation, reliable solenoid valve.

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

the electromagnetic valve comprises a valve body, a valve core, an iron core and a coil, and further comprises an emergency valve body and an emergency valve core capable of driving the valve core to move, wherein the emergency valve body is arranged between the valve body and the iron core, the emergency valve core is arranged in the emergency valve body, a rotating piece is arranged on the emergency valve body, and a swinging piece used for driving the emergency valve core to move is arranged on the rotating piece.

As a further improvement of the above technical solution: one end of the valve core movably penetrates through the emergency valve core and is provided with a connecting pin, the emergency valve core is provided with a avoiding hole matched with the connecting pin and a connecting hole matched with the swinging piece, and the swinging piece is provided with a spherical part positioned in the connecting hole.

As a further improvement of the above technical solution: the clearance between the connecting pin and the avoiding hole is larger than the movement stroke of the valve core and smaller than the movement stroke of the emergency valve core.

As a further improvement of the above technical solution: a first valve core reset spring is arranged between one end, far away from the iron core, of the valve core and the valve body, and a second valve core reset spring is arranged between one side, close to the valve body, of the emergency valve body and the valve core.

As a further improvement of the above technical solution: a first emergency valve core reset spring is arranged between one end of the emergency valve core and the iron core, and a second emergency valve core reset spring is arranged between the other end of the emergency valve core and the emergency valve body.

As a further improvement of the above technical solution: rotating rings are arranged at two ends of the rotating part, and operating handles are arranged on the rotating rings.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a solenoid valve, be equipped with emergent valve body between iron core and valve body, set up the emergent case that can drive the case and remove in the emergent valve body, be provided with the rotating member on the emergent valve body, be provided with the swinging member on the rotating member and remove in order to drive emergent case, when the coil is electrified, can promote the normal removal of case through the iron core, when the jamming phenomenon appears in the case, can operate the rotating member rotation, drive the swinging member swing during the rotation, and then drive emergent case and remove in emergent valve body, finally drive the case through emergent case and remove, realize emergency operation, moreover, the steam generator is simple in structure, emergency operation is convenient, and is reliable.

Drawings

Fig. 1 is a schematic structural diagram of the electromagnetic valve of the present invention.

Fig. 2 is a view a-a of fig. 1.

Fig. 3 is a view B-B of fig. 2.

The reference numerals in the figures denote: 1. a valve body; 2. a valve core; 21. a connecting pin; 3. an iron core; 4. a coil; 5. an emergency valve body; 6. an emergency valve core; 61. avoiding holes; 62. connecting holes; 63. a first emergency spool return spring; 64. a second emergency spool return spring; 7. a rotating member; 71. a rotating ring; 8. a swinging member; 81. a spherical portion; 91. a first spool return spring; 92. a second spool return spring.

Detailed Description

The invention is described in further detail below with reference to the drawings and specific examples.

Fig. 1 to fig. 3 show an embodiment of the utility model discloses solenoid valve, solenoid valve of this embodiment, including valve body 1, case 2, iron core 3 and coil 4, still include emergent valve body 5 and can drive the emergent case 6 that case 2 removed, emergent valve body 5 is located between valve body 1 and the iron core 3, and emergent case 6 is equipped with the rotating member 7 on the emergent valve body 5 in locating emergent valve body 5, is equipped with on the rotating member 7 to be used for driving the swing piece 8 that emergent case 6 removed. Wherein, the rotating member 7 can be, for example, a rotating pin, and can rotate flexibly in the emergency valve body 5, and the swinging member 8 can be, for example, a swinging pin, and can drive the emergency valve core 6 to move in the emergency valve body 5.

This solenoid valve, be equipped with emergent valve body 5 between iron core 3 and valve body 1, set up the emergent case 6 that can drive case 2 and remove in the emergent valve body 5, be provided with rotating member 7 on the emergent valve body 5, be provided with on the rotating member 7 and swing 8 in order to drive emergent case 6 and remove, when coil 4 is electrified, can push away case 2 normal removal through iron core 3, when the jamming phenomenon appears in case 2, can operate rotating member 7 rotatory, it swings to drive swinging member 8 during the rotation, and then drive emergent case 6 and remove in emergent valve body 5, finally drive case 2 through emergent case 6 and remove, realize emergent operation, moreover, the steam generator is simple in structure, compare current tractive mode of dragging, emergent convenient operation, reliability.

Further, in the present embodiment, one end of the valve core 2 movably penetrates through the emergency valve core 6 (that is, the valve core 2 can flexibly move in the emergency valve core 6) and is provided with the connecting pin 21, the emergency valve core 6 is provided with the avoiding hole 61 matched with the connecting pin 21 and the connecting hole 62 matched with the swinging member 8, and the swinging member 8 is provided with the spherical portion 81 positioned in the connecting hole 62. When the electromagnetic valve is normally reversed, the coil 4 is electrified, the iron core 3 pushes the valve core 2 to move, the connecting pin 21 on the valve core 2 moves synchronously with the valve core 2, and due to the arrangement of the avoidance hole 61, the emergency valve core 6 cannot be driven to move when the connecting pin 21 moves in the avoidance hole 61, or the emergency valve core 6 cannot block the movement of the valve core 2; when needing to carry out emergency operation, rotating member 7 rotates, and then drives the swing of swing 8, and swing 8 drive emergent case 6 removes in emergent valve body 5, removes one section distance after, and emergent case 6 can drive case 2 through connecting pin 21 and remove simple structure, reliable. The swing piece 8 is matched with the emergency valve core 6 through the spherical part 81, so that the swing motion of the swing piece 8 is converted into the movement of the emergency valve core 6, and the smooth action is ensured.

As a preferable technical solution, in this embodiment, the clearance between the connecting pin 21 and the avoiding hole 61 is greater than the movement stroke of the valve element 2 and smaller than the movement stroke of the emergency valve element 6, that is, in the movement process of the valve element 2, the connecting pin 21 is not always in contact with the side wall of the avoiding hole 61, so as to completely eliminate the influence of the emergency valve element 6 on the normal direction change of the valve element 2; after the emergency valve core 6 moves for a certain distance, the side wall of the avoiding hole 61 contacts with the connecting pin 21, so that the connecting pin 21 and the valve core 2 can be driven to move, and emergency operation is realized.

Further, in this embodiment, a first spool return spring 91 is disposed between one end (the right end in fig. 1 and 2) of the spool 2 far away from the iron core 3 and the valve body 1, and a second spool return spring 92 is disposed between one side (the right side in fig. 1 and 2) of the emergency valve body 5 near the valve body 1 and the spool 2. In the moving process of the valve core 2, the first valve core return spring 91 or the second valve core return spring 92 is compressed, and after the valve core 2 is switched, the first valve core return spring 91 or the second valve core return spring 92 pushes the valve core 2 to automatically return.

Further, in this embodiment, a first emergency valve core return spring 63 is disposed between one end of the emergency valve core 6 and the iron core 3, and a second emergency valve core return spring 64 is disposed between the other end of the emergency valve core 6 and the emergency valve body 5. The swing piece 8 swings to drive the emergency valve core 6 to move, the emergency valve core 6 compresses the first emergency valve core return spring 63 or the second emergency valve core return spring 64 when moving, and after the emergency operation is completed, the first emergency valve core return spring 63 or the second emergency valve core return spring 64 pushes the emergency valve core 6 to automatically reset.

In a preferred embodiment, the two ends of the rotating member 7 are provided with rotating rings 71, the rotating rings 71 are provided with operating handles (not shown), the rotating rings 71 can be driven to rotate by the operating handles, and the rotating rings 71 further drive the rotating member 7 to rotate, so that the torque required by the rotation of the rotating member 7 can be reduced, and the operation is more labor-saving.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an electromagnetic valve, includes valve body (1), case (2), iron core (3) and coil (4), its characterized in that: the emergency valve is characterized by further comprising an emergency valve body (5) and an emergency valve core (6) capable of driving the valve core (2) to move, wherein the emergency valve body (5) is arranged between the valve body (1) and the iron core (3), the emergency valve core (6) is arranged in the emergency valve body (5), a rotating part (7) is arranged on the emergency valve body (5), and a swinging part (8) used for driving the emergency valve core (6) to move is arranged on the rotating part (7).

2. The solenoid valve according to claim 1, wherein: the emergency valve core (6) is movably penetrated by one end of the valve core (2) and provided with a connecting pin (21), an avoiding hole (61) matched with the connecting pin (21) and a connecting hole (62) matched with the swinging piece (8) are formed in the emergency valve core (6), and a spherical part (81) positioned in the connecting hole (62) is formed in the swinging piece (8).

3. The solenoid valve according to claim 2, wherein: the clearance between the connecting pin (21) and the avoidance hole (61) is larger than the movement stroke of the valve core (2) and smaller than the movement stroke of the emergency valve core (6).

4. The electromagnetic valve according to any one of claims 1 to 3, characterized in that: a first valve core reset spring (91) is arranged between one end, far away from the iron core (3), of the valve core (2) and the valve body (1), and a second valve core reset spring (92) is arranged between one side, close to the valve body (1), of the emergency valve body (5) and the valve core (2).

5. The solenoid valve according to claim 4, wherein: a first emergency valve core reset spring (63) is arranged between one end of the emergency valve core (6) and the iron core (3), and a second emergency valve core reset spring (64) is arranged between the other end of the emergency valve core (6) and the emergency valve body (5).

6. The electromagnetic valve according to any one of claims 1 to 3, characterized in that: rotating rings (71) are arranged at two ends of the rotating part (7), and an operating handle is arranged on each rotating ring (71).