CN216242576U

CN216242576U - Straight-through stop valve

Info

Publication number: CN216242576U
Application number: CN202122904467.7U
Authority: CN
Inventors: 范晋; 王荣勤
Original assignee: Zhejiang Baoshijia Valve Co ltd
Current assignee: Zhejiang Baoshijia Valve Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-08
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a straight-through stop valve, and belongs to the technical field of valves. It mainly opens the problem of valve body to the valve rod that is difficult to rotate the rust among the prior art, proposes following technical scheme: the valve comprises a valve body, a bolt, a supporting plate, a first nut, a guide post, a mounting plate and a power mechanism, wherein a packing pressing plate and a valve rod are arranged on the valve body; the bolt is arranged on the packing press plate; the supporting plate is arranged on the packing pressing plate, and the bolt penetrates through the supporting plate; the first nut is arranged on the bolt, and the supporting plate is positioned between the first nut and the packing pressing plate; the two guide posts are arranged on the support plate and are respectively positioned on the two transverse sides of the first nut; be provided with two guiding holes on the mounting panel, two guiding holes are along transverse distribution, and the mounting panel slides and sets up on the guide post, and two guide posts are located two guide holes respectively, and the mounting panel is located the valve rod top. When the valve is used, the rusted valve rod can be easily rotated to open the valve body.

Description

Straight-through stop valve

Technical Field

The utility model relates to the technical field of valves, in particular to a straight-through stop valve.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur.

In practical use of the conventional straight-through stop valve, if the valve rod does not rotate for a long time, the internal thread of the valve rod is corroded, so that the valve rod is difficult to rotate, and inconvenience is brought to people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background art and provides a straight-through stop valve which can easily rotate a valve rod to open a valve body when a valve rod is corroded.

The technical scheme of the utility model is as follows: a straight-through stop valve comprises a valve body, a packing press plate, a valve rod, a bolt, a support plate, a first nut, a guide post, a mounting plate and a power mechanism, wherein the valve body is provided with the packing press plate and the valve rod;

the bolt is arranged on the packing press plate; the supporting plate is arranged on the packing pressing plate, and the bolt penetrates through the supporting plate; the first nut is arranged on the bolt, and the supporting plate is positioned between the first nut and the packing pressing plate; the two guide posts are arranged on the support plate and are respectively positioned on the two transverse sides of the first nut; the mounting plate is provided with two guide holes which are distributed along the transverse direction, the mounting plate is arranged on the guide posts in a sliding manner, the two guide posts are respectively positioned in the two guide holes, and the mounting plate is positioned above the valve rod; the power mechanism is arranged on the mounting plate and is in driving connection with the valve rod.

Preferably, the guide post penetrates through the support plate along the longitudinal direction, and the guide post is detachably connected with the support plate.

Preferably, the bottom of the guide post is provided with a threaded post, the threaded post is provided with a second nut, and the second nut is located below the support plate.

Preferably, a clamping block is arranged at the upper end of the valve rod; power unit includes motor and coupling assembling, and coupling assembling rotates and sets up in the mounting panel bottom, and coupling assembling is connected with the fixture block joint, and the motor setting is on the mounting panel, and the motor is connected with the coupling assembling drive.

Preferably, the connecting assembly comprises a rotating shaft and a clamping seat; the rotating shaft is rotatably arranged at the bottom of the mounting plate; the clamping seat is arranged at the bottom of the rotating shaft, a clamping groove is formed in the bottom surface of the clamping seat, the clamping block is connected with the clamping seat in a clamping mode, and the clamping block is located in the clamping groove.

Preferably, the clamping groove is of a square groove structure, the clamping block is of a square block structure, and the clamping block is matched with the clamping groove.

Preferably, the clamping groove is of a triangular groove structure, the clamping blocks are of a triangular prism structure, and the clamping blocks are matched with the clamping groove.

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

1. after the valve body is used for a period of time, the threads inside the valve rod are corroded, the mounting plate is only required to be sleeved on the guide post, the clamping block is located in the clamping groove, the motor is started, the motor drives the rotating shaft to rotate, the clamping seat is further driven to rotate, the clamping block is further driven to rotate, the valve rod is rotated, the valve body is further opened and closed easily, the operation is simple, time and labor are saved, and the valve body is convenient to use.

2. When the valve is used, if all the straight-through stop valves are designed into the device provided by the utility model, the power mechanism is set to be universal, and at the moment, the opening and closing operation can be carried out on all the straight-through stop valves only by one power mechanism, the universality is stronger, when the valve body is not opened and closed, the power mechanism can be taken down, the occupied space of the valve body can be reduced, and meanwhile, the valve has better use effect in some special occasions, such as occasions where non-professional persons are forbidden to open and close the valve body.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

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

Fig. 3 is a partially enlarged view of B in fig. 1.

Reference numerals: 1. a valve body; 2. a packing press plate; 3. a bolt; 4. a support plate; 5. a first nut; 6. a guide post; 7. a threaded post; 8. a second nut; 9. a valve stem; 10. a clamping block; 11. mounting a plate; 1101. a guide hole; 12. an electric motor; 13. a rotating shaft; 14. a card holder; 1401. a clamping groove.

Detailed Description

Example one

As shown in fig. 1-3, the straight-through stop valve provided by the utility model comprises a valve body 1, a bolt 3, a support plate 4, a first nut 5, a guide post 6, a mounting plate 11 and a power mechanism. The valve body 1 is provided with a packing pressure plate 2 and a valve rod 9. The bolts 3 are provided on the packing press plate 2. The supporting plate 4 is arranged on the packing pressing plate 2, and the bolt 3 penetrates through the supporting plate 4. The first nuts 5 are provided on the bolts 3, and the support plate 4 is located between the first nuts 5 and the packing press plate 2. The guide posts 6 are provided with two, and two guide posts 6 all set up in backup pad 4, and two guide posts 6 are located the horizontal both sides of first nut 5 respectively, and guide post 6 is along vertically running through backup pad 4, and guide post 6 can be dismantled with backup pad 4 and be connected. The bottom of guide post 6 is provided with screw thread post 7, is provided with second nut 8 on screw thread post 7, and second nut 8 is located backup pad 4 below.

Two guide holes 1101 are formed in the mounting plate 11, the two guide holes 1101 are distributed along the transverse direction, the mounting plate 11 is arranged on the guide columns 6 in a sliding mode, the two guide columns 6 are located in the two guide holes 1101 respectively, and the mounting plate 11 is located above the valve rod 9. The power mechanism is arranged on the mounting plate 11 and is in driving connection with the valve rod 9.

When the valve body 1 needs to be opened and closed in the use of the embodiment, the valve body 1 can be opened and closed only by starting the power mechanism and driving the valve rod 9 to rotate after the power mechanism is started. After the valve body 1 is opened and closed, the mounting plate 11 is taken down from the guide post 6, so that the power mechanism can be taken down, the power mechanism is prevented from occupying a large space, and meanwhile, the guide post 6 can be detached. After a period of time, the inside screw thread corrosion of valve rod 9, only need to overlap mounting panel 11 on guide post 6 this moment, then start power unit, the in-process mounting panel 11 that power unit drove valve rod 9 rises thereupon or descends, can realize the rotation of valve rod 9, and then realizes opening and close of valve body 1, easy operation, labour saving and time saving makes things convenient for people to use.

Example two

As shown in fig. 1-3, the straight-through stop valve provided by the utility model comprises a valve body 1, a bolt 3, a support plate 4, a first nut 5, a guide post 6, a mounting plate 11 and a power mechanism. The valve body 1 is provided with a packing pressing plate 2 and a valve rod 9, and the upper end of the valve rod 9 is provided with a clamping block 10. The bolts 3 are provided on the packing press plate 2. The supporting plate 4 is arranged on the packing pressing plate 2, and the bolt 3 penetrates through the supporting plate 4. The first nuts 5 are provided on the bolts 3, and the support plate 4 is located between the first nuts 5 and the packing press plate 2. The guide posts 6 are provided with two, and two guide posts 6 all set up in backup pad 4, and two guide posts 6 are located the horizontal both sides of first nut 5 respectively, and guide post 6 is along vertically running through backup pad 4, and guide post 6 can be dismantled with backup pad 4 and be connected. The bottom of guide post 6 is provided with screw thread post 7, is provided with second nut 8 on screw thread post 7, and second nut 8 is located backup pad 4 below.

The power mechanism comprises a motor 12 and a connecting assembly, the connecting assembly is rotatably arranged at the bottom of the mounting plate 11 and is connected with the clamping block 10 in a clamping manner, the motor 12 is arranged on the mounting plate 11, and the motor 12 is in driving connection with the connecting assembly. The connecting assembly comprises a rotating shaft 13 and a clamping seat 14. The rotating shaft 13 is rotatably arranged at the bottom of the mounting plate 11. The clamping seat 14 is arranged at the bottom of the rotating shaft 13, the clamping groove 1401 is arranged at the bottom surface of the clamping seat 14, and the clamping groove 1401 is of a square groove structure or a triangular groove structure. The fixture block 10 is connected with the fixture seat 14 in a clamping manner, the fixture block 10 is located in the fixture groove 1401, the fixture block 10 is in a square block structure or a triangular prism structure, and the fixture block 10 is matched with the fixture groove 1401.

After this embodiment uses a period, the inside screw thread corrosion of valve rod 9, only need overlap mounting panel 11 on guide post 6 this moment for fixture block 10 is located draw-in groove 1401, then starter motor 12, motor 12 drive pivot 13 rotates, and then drives cassette 14 and rotate, and then drives fixture block 10 and rotate, and then drives valve rod 9 and rotate, has realized the rotation of valve rod 9, and then has realized opening and close of valve body 1's light, and easy operation, labour saving and time saving makes things convenient for people to use. In addition, if all the through type stop valves are designed into the device provided by the embodiment, the power mechanism is set to be universal, at the moment, only one power mechanism is needed to open and close all the through type stop valves, the universality is stronger, when the valve body is not opened and closed, the power mechanism can be taken down, the occupied space of the valve body 1 can be reduced, and meanwhile, in some special occasions, such as occasions where non-professional persons are forbidden to open and close the valve body 1, the embodiment has better use effect.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A straight-through stop valve comprises a valve body (1), wherein a packing pressing plate (2) and a valve rod (9) are arranged on the valve body (1), and the straight-through stop valve is characterized by further comprising a bolt (3), a supporting plate (4), a first nut (5), a guide post (6), a mounting plate (11) and a power mechanism;

the bolts (3) are arranged on the packing pressing plate (2); the supporting plate (4) is arranged on the packing pressing plate (2), and the bolt (3) penetrates through the supporting plate (4); the first nut (5) is arranged on the bolt (3), and the support plate (4) is positioned between the first nut (5) and the packing press plate (2); two guide posts (6) are arranged, the two guide posts (6) are arranged on the support plate (4), and the two guide posts (6) are respectively positioned on the two transverse sides of the first nut (5); two guide holes (1101) are formed in the mounting plate (11), the two guide holes (1101) are distributed along the transverse direction, the mounting plate (11) is arranged on the guide columns (6) in a sliding mode, the two guide columns (6) are located in the two guide holes (1101) respectively, and the mounting plate (11) is located above the valve rod (9); the power mechanism is arranged on the mounting plate (11) and is in driving connection with the valve rod (9).

2. A flow-through shut-off valve according to claim 1, characterised in that the guide post (6) extends longitudinally through the support plate (4), the guide post (6) being detachably connected to the support plate (4).

3. A through stop valve according to claim 2, characterized in that the guide post (6) is provided at its bottom with a threaded post (7), and the threaded post (7) is provided with a second nut (8), the second nut (8) being located below the support plate (4).

4. A straight-through stop valve according to claim 1, characterized in that the upper end of the valve rod (9) is provided with a clamping block (10); the power mechanism comprises a motor (12) and a connecting assembly, the connecting assembly is rotatably arranged at the bottom of the mounting plate (11), the connecting assembly is connected with the clamping block (10) in a clamping manner, the motor (12) is arranged on the mounting plate (11), and the motor (12) is in driving connection with the connecting assembly.

5. A through shut-off valve according to claim 4 wherein the coupling assembly comprises a shaft (13) and a cartridge (14); the rotating shaft (13) is rotatably arranged at the bottom of the mounting plate (11); the clamping seat (14) is arranged at the bottom of the rotating shaft (13), the clamping groove (1401) is arranged on the bottom surface of the clamping seat (14), the clamping block (10) is connected with the clamping seat (14) in a clamping mode, and the clamping block (10) is located in the clamping groove (1401).

6. A through stop valve according to claim 5 wherein the slot (1401) is a square slot and the block (10) is a square block, the block (10) being adapted to the slot (1401).

7. A through stop valve according to claim 5 wherein the slot (1401) is a triangular groove configuration and the block (10) is a triangular prism configuration, the block (10) being adapted to the slot (1401).