CN215763550U

CN215763550U - Groove rising stem gate valve capable of being automatically closed

Info

Publication number: CN215763550U
Application number: CN202121670244.2U
Authority: CN
Inventors: 张梅英
Original assignee: Fujian Gaoqiao Valve Technology Co ltd
Current assignee: Fujian Gaoqiao Valve Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-02-08
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a groove rising stem gate valve capable of being automatically closed, which belongs to the technical field of rising stem gate valves and comprises a valve body, wherein the upper end of the valve body is fixedly connected with a valve pipe, the valve body is communicated with the valve pipe, the upper end of the valve pipe is provided with a motor, when the valve plate is required to be lowered and blocks water flow in the valve body, the output shaft of the motor can rotate and transmit power to one end of a rack through a connecting mechanism and push the rack downwards, the valve plate fixedly connected to the lower end of the rack can downwards until the valve plate is clamped in the valve body, the water flow in the valve body connected with a pipeline can be completely blocked, the insufficient water flow sealing caused by manual operation is prevented, and the use efficiency and the sealing performance of the device are improved.

Description

Groove rising stem gate valve capable of being automatically closed

Technical Field

The utility model belongs to the technical field of rising stem gate valves, and particularly relates to a groove rising stem gate valve capable of being automatically closed.

Background

The open-close piece of the rising stem gate valve is a gate plate, the movement direction of the gate plate is vertical to the fluid direction, the rising stem gate valve can only be opened and closed completely and can not be adjusted and throttled, the gate plate is provided with two sealing surfaces, the two sealing surfaces of the most common mode gate valve form a wedge shape, the wedge angle is different along with the valve parameters, the wedge angle is usually 50, and the medium temperature is 2 degrees when not high. The gate plate of the wedge gate valve can be made into a whole, namely a rigid gate plate; the gate plate can also be made into a gate plate capable of generating micro deformation so as to improve the manufacturability of the gate plate and compensate the deviation of the angle of the sealing surface in the machining process, and the gate plate is called an elastic gate plate.

Most of the existing rising stem gate valves are manually operated by hands to rotate, the manual mode easily causes the defect of insufficient sealing performance of the valve plate on the closing of water flow in a pipeline, the leakage of liquid in the pipeline is easily caused, and the effect of controlling the water flow in the pipeline cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a groove rising stem gate valve capable of being automatically closed, and aims to solve the problem that the valve plate cannot automatically rotate to completely block liquid in a pipeline in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a rising stem gate valve with a groove capable of being automatically closed comprises:

the upper end of the valve body is fixedly connected with a valve pipe, the valve body is communicated with the valve pipe, and the upper end of the valve pipe is provided with a motor;

the rack is arranged on the circumferential inner wall of the valve pipe in a sliding manner, the lower end of the rack is fixedly connected with the valve plate, and the valve plate is attached to the circumferential inner wall of the valve body; and

and the connecting mechanism is respectively connected with an output shaft of the motor and the rack to realize the up-and-down movement of the valve plate.

As a preferred scheme of the present invention, the connection mechanism includes a driving gear, a transmission rod, a first transmission gear, a transmission belt, a connection rod, a second transmission gear, and two spools, the transmission rod is fixedly connected to the circumferential surface of the valve tube, the connection rod is disposed outside the circumferential surface of the valve tube, the driving gear, the first transmission gear, and the second transmission gear are respectively rotatably connected to the output shaft of the motor, the transmission rod, and the circumferential surface of the connection rod, the two spools are respectively and fixedly connected to the circumferential surfaces of the connection rod and the transmission rod, the transmission belt is respectively and drivingly connected to the circumferential surfaces of the two spools, the driving gear is engaged with the first transmission gear, and the second transmission gear is engaged with the rack.

In a preferred embodiment of the present invention, a stabilizer bar is fixedly connected to an upper inner wall of the valve tube, and the rack is slidably connected to an outer surface of the stabilizer bar.

As a preferred scheme of the utility model, the inner walls of the two sides of the rack are respectively provided with a limiting groove, the two ends of the stabilizer bar are respectively fixedly connected with a limiting block, and the two limiting blocks are respectively connected in the two limiting grooves in a sliding manner.

As a preferable scheme of the present invention, the upper end of the valve tube is fixedly connected with two support frames, and the motor is fixedly connected with the two support frames.

As a preferable scheme of the present invention, both ends of the valve body are fixedly connected with a connection bolt plate.

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

1. in this scheme, when the valve plate need be dropped and the rivers in the valve body are stopped up, can be through the starter motor, this is that its output shaft just can rotate and transmit power to the one end of rack through coupling mechanism, and promote it downwards, this is that the valve plate of fixed connection in the rack lower extreme just can be downwards and until the joint is in the valve body, at this moment with the internal rivers of valve that the pipeline is connected just can be stopped up by complete, prevent because the not enough water seal that causes of artificial operation not in place, and improve the availability factor and the leakproofness of this device.

2. In this scheme, when rack up-and-down motion, can slide through the surface at the stabilizer bar, make the rack operation more stable and safe, prevent that the rack from taking place rather than the unstable accident of meshing when the activity second drive gear, and then improve the safety in utilization of this device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a main sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

fig. 4 is a partial enlarged view of a portion a of fig. 3 in the present invention.

In the figure: 1. a valve body; 2. a valve tube; 3. a motor; 4. a driving gear; 5. a transmission rod; 6. a spool; 7. a transmission belt; 8. a second transmission gear; 9. a connecting rod; 10. a stabilizer bar; 11. a rack; 12. a valve plate; 13. a limiting groove; 14. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions:

the upper end of the valve body 1 is fixedly connected with a valve pipe 2, the valve body 1 is communicated with the valve pipe 2, and the upper end of the valve pipe 2 is provided with a motor 3;

the rack 11 is arranged on the circumferential inner wall of the valve pipe 2 in a sliding manner, the lower end of the rack 11 is fixedly connected with a valve plate 12, and the valve plate 12 is attached to the circumferential inner wall of the valve body 1; and

the connecting mechanism consists of a driving gear 4, a transmission rod 5, a first transmission gear, a transmission belt 7, a connecting rod 9, a second transmission gear 8 and two spools 6, wherein the transmission rod 5 is fixedly connected to the circumferential surface of the valve pipe 2, the connecting rod 9 is arranged on the outer side of the circumferential surface of the valve pipe 2, the driving gear 4, the first transmission gear and the second transmission gear 8 are respectively and rotatably connected to the output shaft of the motor 3, the transmission rod 5 and the circumferential surface of the connecting rod 9, the two spools 6 are respectively and fixedly connected to the circumferential surfaces of the connecting rod 9 and the transmission rod 5, the transmission belt 7 is respectively and drivingly connected to the circumferential surfaces of the two spools 6, the driving gear 4 is meshed with the first transmission gear, and the second transmission gear 8 is meshed with the rack 11; the connecting mechanism is respectively connected with an output shaft of the motor 3 and the rack 11 to realize the up-and-down movement of the valve plate 12.

In the embodiment of the utility model, when the liquid in the valve body 1 needs to be blocked, the motor 3 can be started, at this time, the output shaft of the motor can rotate and drive the driving gear 4 to transmit power to the first transmission gear in a meshing manner, at this time, the transmission rod 5 fixedly connected with the motor can rotate and transmit power to the connecting rod 9 in a transmission manner of the transmission belt 7, at this time, the second transmission gear 8 can rotate and downwards move the rack 11 in a meshing manner, at this time, the valve plate 12 can slowly descend until being clamped into the circumferential inner wall of the valve body 1, and the liquid in the valve body 1 can be thoroughly cut off when being attached, so that the problem of insufficient sealing performance during artificial rotation is solved, the liquid sealing performance and stable safety of the device are improved, and the use of people is more convenient and simple.

Specifically referring to fig. 2, a stabilizer bar 10 is fixedly connected to an upper inner wall of the valve tube 2, and a rack 11 is slidably connected to an outer surface of the stabilizer bar 10.

In this embodiment: when the rack 11 moves up and down, the rack 11 can be more stable and safer when in operation by sliding on the outer surface of the stabilizer bar 10, the accident that the second transmission gear 8 is unstably meshed with the rack 11 when in movement is prevented, and the use safety of the device is further improved.

Referring to fig. 3, the inner walls of the two sides of the rack 11 are both provided with a limiting groove 13, the two ends of the stabilizer bar 10 are both fixedly connected with limiting blocks 14, and the two limiting blocks 14 are respectively slidably connected in the two limiting grooves 13.

In this embodiment: when the rack 11 moves up and down, the two limit blocks 14 can slide in the two limit grooves 13 to prevent the rack 11 from sliding out and separating from the outer surface of the stabilizer bar 10 due to misoperation of personnel, and further the use safety of the device is improved.

Specifically referring to fig. 2, the upper end of the valve tube 2 is fixedly connected with two support frames, and the motor 3 is fixedly connected with the two support frames.

In this embodiment: when the motor 3 works, a little vibration is generated certainly, the vibration can affect the operation of the device more or less, the motor 3 can be stably fixed through the supporting frame, and the unsmooth operation of the device caused by the vibration is prevented.

Specifically referring to fig. 4, both ends of the valve body 1 are fixedly connected with connecting bolt plates.

In this embodiment: can be with the kneck of the quick fixed pipeline of valve body 1 through two connecting bolt boards, and then make things convenient for people to the installation of valve body 1 to improve the availability factor of this device.

The working principle and the using process of the utility model are as follows: when liquid in the valve body 1 needs to be blocked, the motor 3 can be started, at the moment, an output shaft of the motor can rotate and drive the driving gear 4 to transmit power to the first transmission gear in a meshing mode, at the moment, the transmission rod 5 fixedly connected with the transmission rod can rotate and transmit the power to the connecting rod 9 in a transmission mode of the transmission belt 7, at the moment, the second transmission gear 8 can rotate and downwards move the rack 11 in a meshing mode, at the moment, the valve plate 12 can slowly descend until being clamped into the circumferential inner wall of the valve body 1, and the liquid in the valve body 1 can be completely cut off at the moment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a can close slot rising stem gate valve automatically which characterized in that includes:

the valve comprises a valve body (1), wherein the upper end of the valve body (1) is fixedly connected with a valve pipe (2), the valve body (1) is communicated with the valve pipe (2), and the upper end of the valve pipe (2) is provided with a motor (3);

the valve body (1) is characterized in that the rack (11) is slidably arranged on the circumferential inner wall of the valve pipe (2), the lower end of the rack (11) is fixedly connected with the valve plate (12), and the valve plate (12) is attached to the circumferential inner wall of the valve body (1); and

and the connecting mechanism is respectively connected with an output shaft of the motor (3) and the rack (11) to realize the up-and-down movement of the valve plate (12).

2. The gate valve with the open channel and the open channel capable of being automatically closed according to claim 1, wherein the connecting mechanism comprises a driving gear (4), a transmission rod (5), a first transmission gear, a transmission belt (7), a connecting rod (9), a second transmission gear (8) and two spools (6), the transmission rod (5) is fixedly connected to the circumferential surface of the valve pipe (2), the connecting rod (9) is arranged on the outer side of the circumferential surface of the valve pipe (2), the driving gear (4), the first transmission gear and the second transmission gear (8) are respectively and rotatably connected to the output shaft of the motor (3), the transmission rod (5) and the circumferential surface of the connecting rod (9), the two spools (6) are respectively and fixedly connected to the circumferential surfaces of the connecting rod (9) and the transmission rod (5), the transmission belt (7) is respectively and rotatably connected to the circumferential surfaces of the two spools (6), the driving gear (4) is meshed with the first transmission gear, and the second transmission gear (8) is meshed with the rack (11).

3. The gate valve with open channel and open channel capable of being automatically closed according to claim 2, wherein the upper inner wall of the valve pipe (2) is fixedly connected with a stabilizer bar (10), and the rack (11) is slidably connected to the outer surface of the stabilizer bar (10).

4. The automatic closing groove rising stem gate valve according to claim 3, wherein the inner walls of the two sides of the rack (11) are respectively provided with a limiting groove (13), the two ends of the stabilizer bar (10) are respectively and fixedly connected with a limiting block (14), and the two limiting blocks (14) are respectively and slidably connected into the two limiting grooves (13).

5. The automatic closing type channel rising stem gate valve according to claim 4, wherein two support frames are fixedly connected to the upper end of the valve pipe (2), and the motor (3) is fixedly connected with the two support frames.

6. The automatic closing channel rising stem gate valve according to claim 5, characterized in that both ends of the valve body (1) are fixedly connected with connecting bolt plates.