CN216643114U

CN216643114U - Packing structure of square gate valve

Info

Publication number: CN216643114U
Application number: CN202122003343.1U
Authority: CN
Inventors: 唐春荣
Original assignee: Heyuan Flowtecal Automatic Control Valve Co ltd
Current assignee: Heyuan Flowtecal Automatic Control Valve Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-05-31
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a packing structure of a square gate valve, which comprises a gate valve frame, wherein a plurality of rotating buttons are fixedly arranged on one side of the gate valve frame, one sides of the rotating buttons are connected with one end of a baffle plate, the other end of the baffle plate is rotatably connected with one side of the inner wall of the gate valve frame through a rotating rod shaft, and the tops of the inner walls of the two sides of the gate valve frame are connected with a plurality of rolling shaft sleeves which are matched with a gate plate through an arranged indicating rod. This scheme drives the pilot lever when the flashboard removes and removes together to instruct the aperture of the last visible valve of electronic ruler, the inside roll axle sleeve that is provided with of runner of gate valve frame, fix on the runner inner wall, a pressure that is used for the bearing flashboard to bear, simultaneously when the flashboard removed, rolling friction is equivalent to, reduce frictional resistance, rotate the rotor shaft through the turn button simultaneously, thereby drive the baffle and open and shut, secondary control rivers size, optimize packing position seal structure, reinforcing valve life-span.

Description

Packing structure of square gate valve

Technical Field

The utility model belongs to the technical field of square gate valves, and particularly relates to a packing structure of a square gate valve.

Background

The square gate is widely used for water treatment structures in the industries of urban water supply and drainage, metallurgy, petroleum, chemical industry, irrigation, electric power, textile and the like, realizes the control of flow and liquid level, is one of important devices for water supply and drainage and sewage treatment, and is also suitable for pipeline mouths, intersection holes, sediment basins, sedimentation basins, diversion channels, pump station water inlets and the like.

The flashboard of current gate valve is often switched on and off, and flashboard and filler position sliding friction are in flashboard thickness direction, and to the wearing and tearing of packing, be similar to the saw at the cutting thing, lead to the frequent seepage in filler position, and the valve body is relatively poor when the manger plate, shortens valve life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a packing structure of a square gate valve, and aims to solve the problems that a packing part of a traditional gate plate in the prior art often leaks, and the air tightness of a valve body is poor when water is retained.

In order to achieve the purpose, the utility model provides the following technical scheme: the packing structure of the square gate valve comprises a gate valve frame, wherein a plurality of rotating buttons and a plurality of baffle plates are fixedly mounted on one side of the gate valve frame, one side of each rotating button is connected with one end of each baffle plate, the other end of each baffle plate is rotatably connected with one side of the inner wall of the gate valve frame through a rotating rod shaft, a plurality of rolling shaft sleeves are connected to the tops of the inner walls on two sides of the gate valve frame, a box part packing mechanism is mounted on one side of the gate valve frame, and an upper support is fixedly mounted on one side of the gate valve frame.

Preferably, a hydraulic cylinder is fixedly mounted at one side of the upper support, a valve rod is fixedly mounted at a telescopic end of the hydraulic cylinder, one end of the valve rod penetrates through one side of the upper support and is connected with one side of the flashboard, one side of the flashboard penetrates through the open slot and is arranged in the gate valve frame, one side of the upper support is connected with a positioner, an electronic ruler is mounted at a horizontal position at one side of the hydraulic cylinder, an indicating rod is fixedly mounted at one end of the electronic ruler, and one end of the indicating rod is connected with the upper support in an inserting manner.

Preferably, the packing mechanism of the box part comprises a gate plate connected with one end of the valve rod, a valve body connected with one side of the gate plate, a packing box is connected to the top of the valve body, and the top of the packing box is in threaded connection with the packing pressing plate through a bolt.

Preferably, the two sides of the gate are provided with connecting rods through movable pins, one end of each connecting rod is movably connected with a pulling-inserting piece, and one end of each pulling-inserting piece is movably connected with a lower support through the movable pins.

Preferably, a rubber gasket is fixedly mounted on one side of the baffle.

Preferably, a switch panel is fixedly mounted on one side of the gate valve frame, an electronic ruler switch is mounted on the surface of the switch panel, and the electronic ruler is electrically connected with an external power supply through the electronic ruler switch.

Compared with the prior art, the utility model has the beneficial effects that: through mutually supporting of the pilot lever that sets up and flashboard, it removes together to drive the pilot lever when the flashboard removes, thereby instruct the aperture of the last visible valve of electronic ruler, the inside roll axle sleeve that is provided with of runner of gate valve frame, fix on the runner inner wall, a pressure for the bearing flashboard bears, simultaneously when the flashboard removes, be equivalent to rolling friction, reduce frictional resistance, rotate the rotor shaft through the turn button simultaneously, thereby it opens and shuts to drive the baffle, secondary control rivers size, optimize packing position seal structure, the reinforcing valve life-span.

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 schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of a stuffing box structure according to the present invention;

FIG. 4 is a schematic structural view of an electronic ruler according to the present invention;

fig. 5 is a schematic view of the structure of the baffle plate in the present invention.

In the figure: 1. a gate valve frame; 11. turning a button; 12. a baffle plate; 14. a rolling shaft sleeve; 2. an upper bracket; 21. a hydraulic cylinder; 22. a shutter plate; 221. a connecting rod; 222. pulling and inserting; 223. a lower bracket; 224. a positioner; 23. an electronic ruler; 231. an indication lever; 3. a box section stuffing mechanism; 31. a valve body; 31. a stuffing box; 32. and (5) filling and pressing a plate.

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. 1-5, the present invention provides the following technical solutions: the utility model provides a packing structure of square gate valve, includes gate valve frame 1, one side fixed mounting of gate valve frame 1 has a plurality of turn button 11, one side of a plurality of turn button 11 is connected with the one end of baffle 12, the other end of baffle 12 is passed through the pivot axle and is rotated on one side of the inner wall of gate valve frame 1 and be connected, the top of the inner wall of gate valve frame 1 both sides is connected with a plurality of roll axle sleeve 14, box portion filler mechanism 3 is installed to one side of gate valve frame 1, one side fixed mounting of gate valve frame 1 has upper bracket 2.

One side fixed mounting of upper bracket 2 has hydraulic cylinder 21, the flexible fixed mounting of hydraulic cylinder 21 has the valve rod, the one end of valve rod runs through one side of upper bracket 2 and is connected with one side of flashboard 22, and one side of flashboard 22 runs through the inside that the fluting was arranged in gate valve frame 1, one side of upper bracket 2 is connected with locator 224, the horizontal position department of hydraulic cylinder 21 one side installs electronic ruler 23, the one end fixed mounting of electronic ruler 23 has indicator bar 231, the one end and the upper bracket 2 interlude of indicator bar 231 are connected, measure through electronic ruler 23 and indicator bar 231 stretch out and draw back fast.

The box packing mechanism 3 comprises a gate plate 22 connected with one end of a valve rod, a valve body 31 connected with one side of the gate plate 22, a stuffing box 32 is connected to the top of the valve body 31, the top of the stuffing box 32 is connected with a stuffing pressing plate 33 through a bolt, and the stuffing box 32 and the stuffing pressing plate 33 are mutually matched to close a gate valve frame 1.

Connecting rods 221 are mounted on two sides of the gate plate 22 through movable pins, one ends of the two connecting rods 221 are movably connected with a pulling and inserting piece 222, one ends of the pulling and inserting pieces 222 are movably connected with a lower support 223 through the movable pins, and water flow is blocked through the gate plate 22.

One side of the baffle 12 is fixedly provided with a rubber sealing gasket, and the air tightness of the square valve is enhanced through the rubber sealing gasket.

One side fixed mounting of gate valve frame 1 has flush mounting plate of switch, flush mounting plate of switch's surface mounting has the electronic ruler switch, and electronic ruler 23 is convenient for control the electronic ruler switch through the flush mounting plate of switch who sets up through electronic ruler switch and external power supply electric connection.

The working principle is that in a normal using process, the flashboard 22 is designed to be a square structure, the upper bracket 2, the lower bracket 223 and the hydraulic cylinder 21 are arranged on the upper bracket 2, the electronic ruler 23 is arranged on the upper bracket 2, the positioner 224 receives a control signal of a control chamber and drives the valve to open and close by controlling the air quantity entering the hydraulic cylinder 21, the positioner 224 is connected with the shifting plug 222, the shifting plug 222 is movably connected with the connecting rod 221, one end of the connecting rod 221 is fixed on the wide flashboard 22 of the upper bracket 2, the other end of the connecting rod is connected with the opening groove on the shifting plug 222, the positioner 224 drives the flashboard 22 to generate displacement under the driving of the hydraulic cylinder 21 by receiving the signal, meanwhile, the connecting rod 221 on the flashboard 22 and the flashboard 22 move together, so as to drive the shifting plug 222 to rotate, the opening degree of the valve is fed back to the positioner 224 and fed back to the control chamber, and in order to facilitate an operator to directly know the opening degree condition of the valve, an electronic ruler 23 is arranged on the upper support 2, the installation position of the electronic ruler 23 is the same as that of the hydraulic cylinder 21, the electronic ruler 23 is hollow, an indication rod 231 is arranged in the electronic ruler 23, one end of the indication rod 231 is connected to the flashboard 22 in the range of the upper support 2, the indication rod 231 is driven to move together when the flashboard 22 moves, the indication of the opening degree of the valve can be seen on the electronic ruler 23, a rolling shaft sleeve 14 is arranged in a flow channel of the flashboard frame 1 and fixed on the inner wall of the flow channel and used for bearing the pressure borne by the flashboard 22, meanwhile, rolling friction is equivalent to, the friction resistance is reduced, meanwhile, the rotating shaft 13 is rotated through the rotating knob 11, the baffle 12 is driven to open and close, and the water flow is controlled secondarily.

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 packing structure of square gate valve, includes gate valve frame (1), its characterized in that, one side fixed mounting of gate valve frame (1) has a plurality of turn button (11), a plurality of one side of turn button (11) is connected with the one end of baffle (12), the other end of baffle (12) is passed through the turn lever axle and is connected with the rotation of inner wall one side of gate valve frame (1), the top of gate valve frame (1) both sides inner wall is connected with a plurality of roll axle sleeve (14), box portion packing mechanism (3) are installed to one side of gate valve frame (1), one side fixed mounting of gate valve frame (1) has upper bracket (2).

2. The packing structure of a square gate valve according to claim 1, wherein: one side fixed mounting of upper bracket (2) has hydraulic cylinder (21), the flexible fixed mounting of hydraulic cylinder (21) has the valve rod, one side that one end of valve rod runs through upper bracket (2) is connected with one side of flashboard (22), and one side of flashboard (22) runs through the inside that the fluting was arranged in gate valve frame (1), one side of upper bracket (2) is connected with locator (224), horizontal position department of hydraulic cylinder (21) one side installs electronic ruler (23), the one end fixed mounting of electronic ruler (23) has indicator lever (231), the one end and upper bracket (2) of indicator lever (231) alternate and are connected.

3. The packing structure of a square gate valve according to claim 2, wherein: the packing mechanism (3) comprises a flashboard (22) connected with one end of a valve rod, a valve body (31) connected with one side of the flashboard (22), a packing box (32) is connected to the top of the valve body (31), and the top of the packing box (32) is in threaded connection with a packing pressing plate (33) through a bolt.

4. The packing structure of a square gate valve according to claim 2, wherein: connecting rods (221) are installed on two sides of the flashboard (22) through movable pins, two connecting rods (221) are movably connected with one ends of the connecting rods (222) in a plugging mode, and one ends of the plugging and unplugging rods (222) are movably connected with lower supports (223) through the movable pins.

5. The packing structure of a square gate valve according to claim 1, wherein: and a rubber sealing gasket is fixedly arranged on one side of the baffle plate (12).

6. The packing structure of a square gate valve according to claim 1, wherein: one side fixed mounting of floodgate valve frame (1) has flush mounting plate of switch, flush mounting plate of switch's surface mounting has the electronic ruler switch, electronic ruler (23) are through electronic ruler switch and external power electric connection.