CN215333712U

CN215333712U - Explosion-proof plug-in mounting type hydraulic electromagnetic valve

Info

Publication number: CN215333712U
Application number: CN202121693334.3U
Authority: CN
Inventors: 高宏伟
Original assignee: Dongguan Prince Electromechanical Equipment Co ltd
Current assignee: Dongguan Prince Electromechanical Equipment Co ltd
Priority date: 2021-07-25
Filing date: 2021-07-25
Publication date: 2021-12-28
Anticipated expiration: 2031-07-25

Abstract

The utility model discloses an explosion-proof plug-in type hydraulic electromagnetic valve which comprises a connecting pipe, wherein flanges are fixed at two ends of the connecting pipe through bolts, the connecting pipe comprises a liquid outlet and a liquid inlet, an annular groove is formed in the circumferential inner wall of the flange, two symmetrically-distributed clamping plates are arranged in the annular groove, the cross sections of the clamping plates are arranged into an arc shape, two symmetrically-distributed sliding grooves are formed in the inner wall of one end of the annular groove, sliding blocks are connected in the sliding grooves in a sliding mode, the same spring is fixed between each sliding block and the inner wall of each sliding groove through the bolts, each sliding block and each clamping plate are fixed through the bolts, and a power mechanism is arranged on each flange. According to the utility model, the screw cap is rotated to drive the screw rod to rotate, the screw rod pushes the clamping plates to move inwards under the matching action of the threads, and when the screw rod moves outwards, the clamping plates can move outwards under the action of the spring, so that the distance between the two clamping plates can be adjusted, and the sealing device can be suitable for sealing operation of a sealing ring with an improper size.

Description

Explosion-proof plug-in mounting type hydraulic electromagnetic valve

Technical Field

The application relates to the technical field of electromagnetic valves, in particular to an explosion-proof plug-in mounting type hydraulic electromagnetic valve.

Background

The hydraulic electromagnetic valve is an automatic basic element for controlling fluid and belongs to an actuator; the hydraulic electromagnetic valve is not limited to hydraulic pressure and pneumatic pressure, and is an element used for controlling the pressure, flow and direction of liquid in hydraulic transmission. Among them, a pressure control valve for controlling pressure, a flow control valve for controlling flow, and a directional control valve for controlling on, off, and flow directions are called.

The plate-type explosion-proof electromagnetic directional valve of tradition is bulky, owing to adopt the slide valve structure, inevitable causes the valve body internal leakage volume big, for satisfying the pressurize performance, generally need utilize the sealing washer to seal to avoid taking place to leak, when meetting interim emergency, if the size of current sealing washer is on the small side or on the large side, current solenoid valve is difficult to seal installation, consequently, makes corresponding improvement to this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof plug-in type hydraulic electromagnetic valve to solve the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the utility model provides an explosion-proof type cartridge formula hydraulic solenoid valve, includes the connecting pipe, the connecting pipe both ends all have the flange through the bolt fastening, the connecting pipe includes liquid outlet and inlet, the annular has been seted up to flange circumference inner wall, be provided with the splint of two symmetric distributions in the annular, the arc is set to the splint cross-section, the spout of two symmetric distributions is seted up to annular one end inner wall, sliding connection has the slider in the spout, there is same spring through the bolt fastening between slider and the spout inner wall, through the bolt fastening between slider and the splint, be provided with power unit on the flange.

Preferably, power unit includes the screw rod, and first recess has all been seted up to the flange both sides, screw rod and first recess lateral wall threaded connection, and the inboard and splint natural contact of screw rod, and the screw rod outside is fixed with the nut through the bolt, and the straight line groove has been seted up in the nut outside.

Preferably, the inner side surface of the clamping plate is rotatably connected with a connecting plate through a bearing, and the two connecting plates are rotatably connected with the same pressing plate through the bearing.

Preferably, the cross section of the pressure plate is provided with an arc shape.

Preferably, the top of the connecting pipe is fixedly provided with a solenoid valve coil base in a penetrating manner, one end of the solenoid valve coil base is fixedly provided with a socket in a penetrating manner, and a pull-plug type discharge tube is inserted in the socket.

Preferably, a plurality of resistance increasing blocks distributed in an annular array are fixed on the inner side surface of the clamping plate through bolts, and the cross sections of the resistance increasing blocks are arranged into a half-moon shape.

Preferably, a plurality of resistance increasing grooves which are uniformly distributed are formed in the inner side face of each resistance increasing block, and the cross sections of the resistance increasing grooves are arranged to be hexagonal.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, when under emergency, when meetting the improper sealing washer of size, can be through rotating the nut, then drive the screw rod and rotate, under screw-thread fit effect, the screw rod promotes splint and removes to the inboard, moves extremely to the outside side when the screw rod, can be under the effect of spring for splint outwards move, thereby make the distance between two splint adjustable, thereby the unsuitable sealing washer of applicable size seals the operation.

When two splint move to the inboard simultaneously, through the transmission effect of connecting plate for the clamp plate moves down, when two splint move to the outside simultaneously, through the transmission effect of connecting plate, make the clamp plate rebound, thereby can make the clamp plate follow the size of size and carry out the synchronization regulation, thereby improve the effect that compresses tightly to the sealing washer.

The third step, through being provided with the resistance increasing block, and the resistance increasing block cross-section sets to the arc, can improve the roughness on splint surface to the improvement is to the effect that compresses tightly of sealing washer, and is provided with the resistance increasing groove at the resistance increasing block surface, and the resistance increasing groove cross-section sets to the hexagon, can further improve the anti-skidding performance on resistance increasing block surface, thereby further improves and compresses tightly fixed effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of an overall structure of an explosion-proof plug-in type hydraulic solenoid valve according to the present invention;

FIG. 2 is a schematic cross-sectional view of an explosion-proof plug-in hydraulic solenoid valve according to the present invention;

FIG. 3 is an enlarged schematic structural diagram of the explosion-proof plug-in type hydraulic solenoid valve at the position A;

FIG. 4 is an enlarged schematic structural diagram of a position B of the explosion-proof plug-in type hydraulic solenoid valve provided by the utility model;

FIG. 5 is a schematic diagram of a clamping plate structure of an explosion-proof plug-in type hydraulic solenoid valve according to the present invention;

FIG. 6 is a schematic diagram of a resistance increasing block structure of an explosion-proof plug-in type hydraulic solenoid valve according to the present invention.

In the figure: 1. a connecting pipe; 2. a flange; 3. a ring groove; 4. a liquid outlet; 5. a liquid inlet; 6. a splint; 7. a screw; 8. a nut; 9. a first groove; 10. a straight slot; 11. a chute; 12. a slider; 13. a spring; 14. a connecting plate; 15. pressing a plate; 16. a resistance increasing block; 17. a resistance increasing groove; 18. a solenoid valve coil holder; 19. a plug-in discharge tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Examples

Referring to fig. 1-6, the present invention provides an explosion-proof plug-in hydraulic solenoid valve, which comprises:

the utility model provides an explosion-proof type cartridge formula hydraulic solenoid valve, including connecting pipe 1, 1 both ends of connecting pipe all have flange 2 through the bolt fastening, connecting pipe 1 includes liquid outlet 4 and inlet 5, annular 3 has been seted up to 2 circumference inner walls of flange, be provided with the splint 6 of two symmetric distributions in the annular 3, the arc is set to splint 6 cross-sections, two symmetric distributions's spout 11 has been seted up to 3 one end inner walls of annular, sliding connection has slider 12 in the spout 11, there is same spring 13 through the bolt fastening between slider 12 and the 11 inner walls of spout, through the bolt fastening between slider 12 and the splint 6, be provided with power unit on the flange 2.

In the utility model, a power mechanism comprises a screw 7, both sides of a flange 2 are respectively provided with a first groove 9, the screw 7 is in threaded connection with the side wall of the first groove 9, the inner side of the screw 7 is naturally contacted with a clamping plate 6, the outer side of the screw 7 is fixed with a nut 8 through a bolt, the outer side of the nut 8 is provided with a straight groove 10, the inner side of the clamping plate 6 is rotatably connected with a connecting plate 14 through a bearing, the two connecting plates 14 are rotatably connected with a same pressing plate 15 through a bearing, the section of the pressing plate 15 is arranged into an arc shape, the top of a connecting pipe 1 is fixedly penetrated with a solenoid valve coil base 18, one end of the solenoid valve coil base 18 is fixedly penetrated with a socket, a plug-pull-plug type 19 is inserted in the socket, the inner side of the clamping plate 6 is fixedly provided with a plurality of resistance increasing blocks 16 distributed in an annular array through bolts, the section of the resistance increasing blocks 16 is arranged into a half moon shape, and the inner side of the resistance increasing blocks 16 is provided with a plurality of resistance increasing grooves 17 distributed uniformly, the resistance-increasing grooves 17 are arranged in a hexagonal shape in cross section.

The working principle is as follows: when meeting a sealing ring with an improper size under an emergency condition, the screw cap 8 can be rotated to drive the screw 7 to rotate, the screw 7 pushes the clamping plates 6 to move inwards under the action of thread fit, when the screw 7 moves outwards, the clamping plates 6 can move outwards under the action of the spring 13, so that the distance between the two clamping plates 6 can be adjusted, the sealing operation can be performed on the sealing ring with the improper size, when the two clamping plates 6 move inwards at the same time, the pressing plate 15 moves downwards through the transmission action of the connecting plate 14, when the two clamping plates 6 move outwards at the same time, the pressing plate 15 moves upwards through the transmission action of the connecting plate 14, so that the pressing plate 15 can be synchronously adjusted along with the size of the size, thereby the pressing effect on the sealing ring is improved, and the resistance increasing block 16 is arranged, the cross section of the resistance increasing block 16 is arc-shaped, so that the roughness of the surface of the clamping plate 6 can be improved, the compression effect on the sealing ring is improved, the resistance increasing groove 17 is formed in the surface of the resistance increasing block 16, the cross section of the resistance increasing groove 17 is hexagonal, the anti-skid performance of the surface of the resistance increasing block 16 can be further improved, and the compression and fixation effect is further improved.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides an explosion-proof type cartridge formula hydraulic solenoid valve which characterized in that: including connecting pipe (1), equal fixedly connected with flange (2) in connecting pipe (1) both ends, connecting pipe (1) includes liquid outlet (4) and inlet (5), annular (3) have been seted up to flange (2) circumference inner wall, be provided with splint (6) of two symmetric distributions in annular (3), the arc is set to in splint (6) cross-section, spout (11) of two symmetric distributions are seted up to annular (3) one end inner wall, sliding connection has slider (12) in spout (11), the same spring (13) of fixedly connected with between slider (12) and spout (11) inner wall, fixed connection between slider (12) and splint (6), be provided with power unit on flange (2).

2. An explosion-proof cartridge hydraulic solenoid valve according to claim 1, characterized in that: power unit includes screw rod (7), and first recess (9) have all been seted up to flange (2) both sides, screw rod (7) and first recess (9) lateral wall threaded connection, and screw rod (7) inboard and splint (6) natural contact, screw rod (7) outside fixedly connected with nut (8), straight line groove (10) have been seted up in nut (8) outside.

3. An explosion-proof cartridge hydraulic solenoid valve according to claim 1, characterized in that: the inner side surface of the clamping plate (6) is rotatably connected with connecting plates (14), and the two connecting plates (14) are rotatably connected with a same pressing plate (15).

4. An explosion-proof cartridge hydraulic solenoid valve according to claim 3, characterized in that: the cross section of the pressure plate (15) is arranged into an arc shape.

5. An explosion-proof cartridge hydraulic solenoid valve according to claim 1, characterized in that: the top of the connecting pipe (1) is fixedly provided with an electromagnetic valve coil base (18) in a penetrating way, one end of the electromagnetic valve coil base (18) is fixedly provided with a socket in a penetrating way, and a pull-plug type discharge pipe (19) is inserted in the socket.

6. An explosion-proof cartridge hydraulic solenoid valve according to claim 1, characterized in that: the inner side surface of the splint (6) is fixedly connected with a plurality of resistance increasing blocks (16) distributed in an annular array, and the cross sections of the resistance increasing blocks (16) are arranged into a half-moon shape.

7. An explosion-proof cartridge hydraulic solenoid valve according to claim 6, wherein: the inner side surface of the resistance increasing block (16) is provided with a plurality of resistance increasing grooves (17) which are uniformly distributed, and the cross sections of the resistance increasing grooves (17) are arranged to be hexagonal.