CN219366932U

CN219366932U - Stop type electric valve

Info

Publication number: CN219366932U
Application number: CN202320549273.6U
Authority: CN
Inventors: 池攀攀; 杨丰盛; 叶国步
Original assignee: Odron Control Valve Co ltd
Current assignee: Odron Control Valve Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-18
Anticipated expiration: 2033-03-21

Abstract

The utility model provides a stop type electric valve, which belongs to the technical field of electric valves and comprises: the valve body, the fixedly connected with block in valve body top, block bottom sliding connection has movable ejector pin, movable ejector pin bottom fixedly connected with moves the iron core spring, move the outside movable iron core that has cup jointed of iron core spring, movable iron core sliding connection is in the valve body, move iron core spring bottom fixedly connected with movable ejector pin group, the outside buffer spring that has cup jointed of movable ejector pin group, movable ejector pin group bottom fixedly connected with piston, piston bottom fixedly connected with piston sealing member; the stop mechanism comprises two shells fixedly connected to the valve body. The multistage spring buffer device is arranged in the utility model, so that noise and abrasion among accessories can be reduced, the multistage spring buffer device is stable and durable, and meanwhile, the stop mechanism is arranged, so that the electric valve can work under a fixed condition, and the stop mechanism has a compact structure, high stability and easy control.

Description

Stop type electric valve

Technical Field

The utility model relates to the technical field of electric valves, in particular to a stop type electric valve.

Background

The electric valve is usually composed of two parts, namely a valve body and an electric control system, in short, the electric drive replaces manpower to realize the switch control of the valve, and a stop mechanism is added into the electric valve, so that the electric valve can work under the set condition, and the control of the electric valve can be realized more accurately.

An existing stop type electric valve comprises the following structures: publication No. CN210800192U discloses a stop type electric valve comprising a first stop portion provided on an external screw member and a second stop portion provided on an internal screw member. The first stopping part is arranged on an external thread opposite installation seat arranged on an external thread piece, the external thread opposite installation seat comprises a first base body, the bottom of the first base body is fixedly connected with the periphery, the first stopping part comprises a first upper stopping part and a first lower stopping part, the inner cavity of the first base body is sequentially provided with the first upper stopping part and the first lower stopping part from bottom to top, and the first lower stopping part is arranged on the bottom end face of the first base body and is downwards protruded by the first base body.

The existing braking type electric valve has the following defects: the friction force between the valve structure fixing pieces is large, such as the thread stripping and the like easily occur due to the pressure between the threaded connecting pieces, the stability between the fixing pieces is not high, the stop structure is complex, the equipment durability is low, and the noise control is poor.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a stop type electric valve.

An embodiment of the present utility model provides a stop-type motor-operated valve including:

the valve body, the fixedly connected with block in valve body top, block bottom sliding connection has movable ejector pin, movable ejector pin bottom fixedly connected with moves the iron core spring, move the outside movable iron core that has cup jointed of iron core spring, movable iron core sliding connection is in the valve body, move iron core spring bottom fixedly connected with movable ejector pin group, the outside buffer spring that has cup jointed of movable ejector pin group, movable ejector pin group bottom fixedly connected with piston, piston bottom fixedly connected with piston sealing member;

the stop mechanism comprises two shells fixedly connected to the valve body, the top of the piston is fixedly connected with a pair of support rods, a pair of racks are fixedly connected to one sides of the support rods, which are close to the movable iron cores, of the support rods, gears are rotatably connected in the shells, the racks are meshed with the gears, guide rails are fixedly connected to the outer side walls of the valve body, buckles are slidably connected to the two ends of the guide rails, and a control assembly for driving the buckles to move is arranged on the guide rails.

Further, the input end of the valve body is arranged at the top of the cap.

Further, a switch shaft is fixedly connected to the bottom of the piston sealing member.

Further, the bottom of the valve body is fixedly connected with a piston base.

Further, the gear is coaxially and fixedly connected with a pinion, and four clamping grooves with diameters slightly smaller than those of the buckles are formed in the pinion.

Further, the control assembly comprises a sleeve, a control rod and two supports, wherein the sleeve is fixedly connected to the guide rail, the control rod is slidably connected to the sleeve, and two ends of the supports are respectively connected with the control rod and the guide rail in a rotating mode.

Compared with the prior art, the utility model has the following beneficial effects:

the multistage spring buffer device is arranged in the utility model, so that noise and abrasion among accessories can be reduced, the multistage spring buffer device is stable and durable, and meanwhile, the stop mechanism is arranged, so that the electric valve can work under a fixed condition, and the stop mechanism has a compact structure, high stability and easy control.

Drawings

Fig. 1 is a schematic view of an internal structure of a stop-type electric valve according to an embodiment of the present utility model.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of part B of fig. 1.

Fig. 4 is a schematic view showing an external structure of a stop-type electric valve according to an embodiment of the present utility model.

In the above figures: the novel movable iron core assembly comprises a cover cap 1, a movable ejector rod 2, a movable iron core 3, a valve body 4, a movable iron core spring 5, a movable ejector rod group 6, a shell 7, a buffer spring 8, a piston 9, a piston sealing piece 10, a piston base 11, a support rod 21, a rack 22, a pinion 23, a gear 24, a control rod 31, a sleeve 32, a support 33, a guide rail 34 and a buckle 35.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, an embodiment of the present utility model provides a stop-type electric valve, comprising:

the valve body 4, the top fixedly connected with block 1 of valve body 4, the input of valve body 4 sets up at the block 1 top, block 1 bottom sliding connection has movable ejector pin 2, movable ejector pin 2 bottom fixedly connected with moves core spring 5, movable core 3 has been cup jointed to movable core spring 5 outside, movable core 3 sliding connection is in valve body 4, movable core spring 5 bottom fixedly connected with movable ejector pin group 6, movable ejector pin group 6 outside cup joints buffer spring 8, buffer spring 8 can provide certain cushioning effect for movable ejector pin group 6, movable core spring 5 can reduce the wearing and tearing between noise and the accessory, firm durable, movable ejector pin group 6 bottom fixedly connected with piston 9, piston 9 bottom fixedly connected with piston seal 10, piston 9 and piston seal 10 gas tightness is good, piston seal 10 bottom fixedly connected with switch shaft 12, valve body 4 bottom fixedly connected with piston base 11, stable connection between switch shaft 12 and the piston base 11, the gas tightness is good;

the stop mechanism comprises two shells 7 fixedly connected to a valve body 4, a pair of support rods 21 are fixedly connected to the top of a piston 9, racks 22 are fixedly connected to one sides, close to a movable iron core 3, of the pair of support rods 21, gears 24 are rotatably connected to the two shells 7, the racks 22 and the gears 24 are meshed with each other, when the piston 9 ascends, the support rods 21 drive the racks 22 to relatively displace, the gears 24 rotate, the gears 24 are coaxially and fixedly connected with a pinion 23, four clamping grooves with diameters slightly smaller than those of the clamping buckles 35 are formed in the pinion 23, a guide rail 34 is fixedly connected to the outer side wall of the valve body 4, the clamping buckles 35 are slidably connected to two ends of the guide rail 34, a control assembly used for driving the clamping buckles 35 to move is arranged on the guide rail 34, the control assembly comprises a sleeve 32, a control rod 31 and two supports 33, the sleeve 32 is fixedly connected to the guide rail 34, the two ends of the supports 33 are rotatably connected with the control rod 31, grooves are formed in the sleeve 32, the control rod 31 can drive the supports 33 to slide up and down, and when pressure is applied to the control rod 31, the two clamping buckles 35 are clamped in the supports 33, and the clamping grooves are clamped in the gear 23 and have a compact stop mechanism.

The detailed working process of the utility model is as follows:

firstly, connecting the input end of a cap 1 with a power supply, installing a valve in a pipeline, when liquid or gas enters a valve body 4, a piston 9 and a piston sealing member 10 are positioned at the bottommost position, a switch shaft 12 is connected with a piston base 12, when the gas reaches a certain amount and generates certain pressure, the piston 9 and the piston sealing member 10 rise under the action of the pressure, a movable ejector rod group 6 rises, a buffer spring 8 compresses, a movable ejector rod 2 and a movable iron core 5 rise, when the movable iron core 5 is positioned at the top of the valve body 4, the movable iron core spring 5 is compressed, buffering is achieved, and the phenomenon that the components are subjected to violent collision to generate loss is avoided, and noise is generated;

secondly, when the valve body 4 needs to be stopped and controlled, the piston 9 and the piston sealing member 10 ascend or descend, the support rod 21 drives the rack 22 to relatively displace, the pinion 23 rotates along with the gear 24, at the moment, pressure is applied to the control rod 31, and under the driving of the bracket 33, the buckles 35 at the two ends of the guide rail 34 move in the directions away from each other and are clamped with the clamping grooves on the pinion 23, so that a stopping effect is achieved.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A stop-type electrically operated valve, comprising:

the valve comprises a valve body (4), wherein a cap (1) is fixedly connected to the top of the valve body (4), a movable ejector rod (2) is slidably connected to the bottom of the cap (1), a movable iron core spring (5) is fixedly connected to the bottom of the movable ejector rod (2), a movable iron core (3) is sleeved outside the movable iron core spring (5), the movable iron core (3) is slidably connected in the valve body (4), a movable ejector rod group (6) is fixedly connected to the bottom of the movable iron core spring (5), a buffer spring (8) is sleeved outside the movable ejector rod group (6), a piston (9) is fixedly connected to the bottom of the movable ejector rod group (6), and a piston sealing piece (10) is fixedly connected to the bottom of the piston (9);

the stop mechanism comprises two shells (7) fixedly connected to the valve body (4), a pair of support rods (21) are fixedly connected to the top of the piston (9), a pair of racks (22) are fixedly connected to one sides of the support rods (21) close to the movable iron cores (3), gears (24) are rotatably connected to the two sides of the support rods in the shells (7), the racks (22) are meshed with the gears (24) mutually, guide rails (34) are fixedly connected to the outer side walls of the valve body (4), buckles (35) are slidably connected to the two ends of the guide rails (34), and a control assembly for driving the buckles (35) to move is arranged on the guide rails (34).

2. A stop-type electrically operated valve as defined in claim 1, wherein:

the input end of the valve body (4) is arranged at the top of the cap (1).

3. A stop-type electrically operated valve as defined in claim 1, wherein:

the bottom of the piston sealing piece (10) is fixedly connected with a switch shaft (12).

4. A stop-type electrically operated valve as defined in claim 1, wherein:

the bottom of the valve body (4) is fixedly connected with a piston base (11).

5. A stop-type electrically operated valve as defined in claim 1, wherein:

the gear (24) is fixedly connected with a pinion (23) coaxially, and four clamping grooves with calibers matched with the buckles (35) are formed in the pinion (23).

6. A stop-type electrically operated valve as defined in claim 1, wherein:

the control assembly comprises a sleeve (32), a control rod (31) and two supports (33), wherein the sleeve (32) is fixedly connected to the guide rail (34), the control rod (31) is connected in a sliding mode in the sleeve (32), and two ends of the supports (33) are respectively connected with the control rod (31) and the guide rail (34) in a rotating mode.