CN220551564U

CN220551564U - Automatic stop valve

Info

Publication number: CN220551564U
Application number: CN202321870067.1U
Authority: CN
Inventors: 洪钦赐; 洪守用
Original assignee: Beijing Jingran Lingyun Gas Equipment Corp ltd
Current assignee: Beijing Jingran Lingyun Gas Equipment Corp ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-01
Anticipated expiration: 2033-07-17

Abstract

The utility model relates to the technical field of valves, and discloses an automatic stop valve, which solves the problem that the accurate control of materials cannot be ensured by adopting a manual valve at present, and comprises a base, wherein a valve body is fixedly arranged at the top of the base, a left channel is fixedly arranged at the left side of the valve body, a right channel is fixedly arranged at the right side of the valve body, a valve rod is movably arranged in the valve body, the top end of the valve rod penetrates through the top of the valve body and is fixedly connected with a top disc, and a control mechanism is arranged at the outer side of the valve rod; according to the utility model, through the cooperation between the motor and the threaded rod, the threaded rod can rotate, through the cooperation between the guide rod and the sliding plate and the cooperation between the connecting block and the threaded sleeve, the sliding plate can transversely move, and through the cooperation between the rack and the gear, the valve rod can rotate, so that the opening and closing of the stop valve can be controlled, and the accurate control of materials is ensured.

Description

Automatic stop valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to an automatic stop valve.

Background

The stop valve is also called a stop valve, and belongs to a forced sealing valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is subject to bending fault, and the valve rod is divided into three types according to the connection mode: flange connection, screw connection and welding connection, and after the self-sealing valve appears, the medium flow direction of the stop valve is changed from the upper part of the valve clack to the valve cavity.

When the material is conveyed, a corresponding stop valve is required to be arranged on a material flow conveying pipeline, and the existing stop valve is manually opened and closed, so that the accurate control of the material cannot be ensured.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the automatic stop valve, which effectively solves the problem that the accurate control of materials cannot be ensured by adopting a manual valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic stop valve, includes the base, the top fixed mounting of base has the valve body, and the left side fixed mounting of valve body has left passageway, and the right side fixed mounting of valve body has right passageway, and the inside movable mounting of valve body has the valve rod, and the top of valve rod runs through the top of valve body and fixedly connected with roof plate, and control mechanism is installed in the outside of valve rod.

Preferably, the top of base is close to left side fixedly connected with left side board, left side board and left passageway fixed connection, and the top of base is close to right side fixedly connected with right side board, right passageway and right side board fixed connection, and control mechanism is located between left side board and the right side board.

Preferably, the control mechanism comprises a motor fixed on the left side of the right side plate, a threaded rod is fixedly connected to the left side of the motor, the left end of the threaded rod is movably connected with the right side of the left side plate, and a threaded sleeve is sleeved on the outer side thread of the threaded rod.

Preferably, a guide rod is fixedly connected between the left side plate and the right side plate, the guide rod is positioned above the threaded rod, a sliding plate is movably sleeved on the outer side of the guide rod, a connecting block is fixedly connected to the bottom of the sliding plate, and the bottom of the connecting block is fixedly connected with the top of the threaded sleeve.

Preferably, the front surface of the sliding plate is fixedly provided with a rack, the outer side of the valve rod is fixedly provided with a gear, and the gear is meshed with the rack.

Preferably, the top of the valve body is provided with a bottom groove, the bottom of the inner cavity of the bottom groove is provided with balls at equal angles, the bottom ring is movably clamped in the bottom groove, and the bottom of the bottom ring is attached to the top of the balls.

Preferably, the top constant angle fixedly connected with bracing piece of bottom ring, the top fixedly connected with backup pad of bracing piece, backup pad and valve rod are fixed to be cup jointed, the top of backup pad and the bottom fixed connection of gear.

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

(1) According to the utility model, through the cooperation between the motor and the threaded rod, the threaded rod can be rotated, and through the cooperation between the guide rod and the sliding plate as well as between the connecting block and the threaded sleeve, the sliding plate can be transversely moved, and through the cooperation between the rack and the gear, the valve rod can be rotated, so that the opening and closing of the stop valve can be controlled, and the accurate control of materials is ensured;

(2) This novel cooperation between ball and bottom ring and bracing piece and the backup pad can make the bottom ring rotate in the inside of kerve when the gear rotates to can play the effect of supporting to the gear, thereby prevent that the gear from appearing rocking phenomenon when rotating.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a control mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a gear structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the support plate of the present utility model;

in the figure: 1. a base; 2. a valve body; 3. a right side plate; 4. a right channel; 5. a valve stem; 6. a top plate; 7. a control mechanism; 701. a motor; 702. a connecting block; 703. a thread sleeve; 704. a gear; 705. a rack; 706. a slide plate; 707. a threaded rod; 708. a guide rod; 8. a left side plate; 9. a left channel; 10. a support plate; 11. a support rod; 12. a bottom ring; 13. a ball; 14. a bottom groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

The first embodiment is shown in fig. 1-4, the utility model comprises a base 1, a valve body 2 is fixedly arranged at the top of the base 1, a left channel 9 is fixedly arranged at the left side of the valve body 2, a right channel 4 is fixedly arranged at the right side of the valve body 2, a valve rod 5 is movably arranged in the valve body 2, the top end of the valve rod 5 penetrates through the top of the valve body 2 and is fixedly connected with a top disc 6, and a control mechanism 7 is arranged at the outer side of the valve rod 5.

In the second embodiment, on the basis of the first embodiment, the top of the base 1 is fixedly connected with a left side plate 8 near the left side, the left side plate 8 is fixedly connected with a left channel 9, the top of the base 1 is fixedly connected with a right side plate 3 near the right side, the right channel 4 is fixedly connected with the right side plate 3, the control mechanism 7 is positioned between the left side plate 8 and the right side plate 3, the control mechanism 7 comprises a motor 701 fixed on the left side of the right side plate 3, the left side of the motor 701 is fixedly connected with a threaded rod 707, the left end of the threaded rod 707 is movably connected with the right side of the left side plate 8, the outer side thread of the threaded rod 707 is sleeved with a thread bush 703, a guide rod 708 is fixedly connected between the left side plate 8 and the right side plate 3, the guide rod 708 is positioned above the threaded rod 707, the outer side of the guide rod 708 is movably sleeved with a slide plate 706, the bottom of the slide plate 706 is fixedly connected with a connecting block 702, the bottom of the connecting block 702 is fixedly connected with the top of the thread bush 703, the front of the slide plate 706 is fixedly provided with a gear 705, the outer side of the valve rod 5 is fixedly provided with a gear, and the gear 704 is meshed with the gear 703;

firstly, the motor 701 is started, the threaded rod 707 is driven to rotate, then the threaded sleeve 703 is driven to transversely move, then the sliding plate 706 is driven to transversely move through the connecting block 702, then the rack 705 is driven to transversely move, and through the meshing effect of the rack 705 and the gear 704, then the valve rod 5 is driven to rotate, finally, the stop valve is opened and closed, and then the accurate control of materials is realized.

In the third embodiment, on the basis of the first embodiment, a bottom groove 14 is formed in the top of the valve body 2, balls 13 are mounted at the bottom of an inner cavity of the bottom groove 14 at equal angles, a bottom ring 12 is movably clamped in the bottom groove 14, the bottom of the bottom ring 12 is attached to the top of the balls 13, a supporting rod 11 is fixedly connected to the top of the bottom ring 12 at equal angles, a supporting plate 10 is fixedly connected to the top of the supporting rod 11, the supporting plate 10 is fixedly sleeved with the valve rod 5, and the top of the supporting plate 10 is fixedly connected with the bottom of a gear 704;

when the gear 704 rotates, the supporting plate 10 is driven to rotate, and the bottom ring 12 is driven to rotate in the bottom groove 14 through the supporting rod 11, so that the gear 704 can be supported, and the phenomenon of shaking when the gear 704 rotates is prevented, so that the valve rod 5 can stably rotate.

Working principle: when the rotary valve is used, the motor 701 is started firstly, the threaded rod 707 is driven to rotate, the threaded sleeve 703 is driven to transversely move, the sliding plate 706 is driven to transversely move through the connecting block 702, the rack 705 is driven to transversely move, the valve rod 5 is driven to rotate through the meshing effect of the rack 705 and the gear 704, the stop valve is finally opened and closed, the accurate control of materials is realized, when the gear 704 rotates, the supporting plate 10 is driven to rotate, the bottom ring 12 is driven to rotate in the bottom groove 14 through the supporting rod 11, the gear 704 can be supported, the shaking phenomenon is prevented when the gear 704 rotates, and the valve rod 5 can stably rotate.

Claims

1. An automatic stop valve, includes base (1), its characterized in that: the top fixed mounting of base (1) has valve body (2), and the left side fixed mounting of valve body (2) has left passageway (9), and the right side fixed mounting of valve body (2) has right passageway (4), and the inside movable mounting of valve body (2) has valve rod (5), and the top of valve rod (5) runs through the top of valve body (2) and fixedly connected with roof dish (6), and control mechanism (7) are installed in the outside of valve rod (5).

2. An automatic shut-off valve according to claim 1, wherein: the top of base (1) is close to left side fixedly connected with left side board (8), left side board (8) and left passageway (9) fixed connection, and the top of base (1) is close to right side fixedly connected with right side board (3), right passageway (4) and right side board (3) fixed connection, and control mechanism (7) are located between left side board (8) and right side board (3).

3. An automatic shut-off valve according to claim 1, wherein: the control mechanism (7) comprises a motor (701) fixed on the left side of the right side plate (3), a threaded rod (707) is fixedly connected to the left side of the motor (701), the left end of the threaded rod (707) is movably connected with the right side of the left side plate (8), and a threaded sleeve (703) is sleeved on the outer side threads of the threaded rod (707).

4. An automatic shut-off valve according to claim 2, wherein: a guide rod (708) is fixedly connected between the left side plate (8) and the right side plate (3), the guide rod (708) is located above the threaded rod (707), a sliding plate (706) is movably sleeved on the outer side of the guide rod (708), a connecting block (702) is fixedly connected to the bottom of the sliding plate (706), and the bottom of the connecting block (702) is fixedly connected with the top of the threaded sleeve (703).

5. An automatic shut-off valve according to claim 4, wherein: the front of the sliding plate (706) is fixedly provided with a rack (705), the outer side of the valve rod (5) is fixedly provided with a gear (704), and the gear (704) is meshed with the rack (705).

6. An automatic shut-off valve according to claim 1, wherein: the top of valve body (2) has seted up kerve (14), and ball (13) are installed to the inner chamber bottom equiangular of kerve (14), and the inside activity joint of kerve (14) has bottom ring (12), and the bottom of bottom ring (12) is laminated with the top of ball (13).

7. An automatic shut-off valve according to claim 6, wherein: the top constant angle fixedly connected with bracing piece (11) of end ring (12), the top fixedly connected with backup pad (10) of bracing piece (11), backup pad (10) are fixed cup joint with valve rod (5), the top of backup pad (10) and the bottom fixed connection of gear (704).