CN216344003U

CN216344003U - Gate valve convenient to adjust

Info

Publication number: CN216344003U
Application number: CN202122495069.4U
Authority: CN
Inventors: 谢永生; 谢嘉宝; 谢利明
Original assignee: Guangzhou Kaigong Valve Equipment Co ltd
Current assignee: Guangzhou Kaigong Valve Equipment Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of gate valves, in particular to a gate valve convenient to adjust, which comprises a connecting pipe, a valve body and a valve body, wherein the connecting pipe is arranged on the valve body; the both sides of connecting pipe communicate respectively and are provided with inlet tube and outlet pipe, the inside of connecting pipe is formed with the cavity, the upper end of connecting pipe is provided with the installation shell, the movable hole has been seted up to the inside of installation shell, and the bottom of movable hole extends to the inside of cavity, the downthehole slip of movable is provided with the flashboard, be provided with the power component who is used for driving the flashboard and reciprocates on the installation shell, power component includes carousel and lead screw, the inside of cavity is provided with the filter screen device, the bottom of connecting pipe is provided with the jack that supplies the filter screen device to pass, the bottom of filter screen device is connected with the closing plate, realize dismantling through a plurality of butterfly bolts between the bottom of closing plate and connecting pipe and be connected, be provided with waterproof pad on the closing plate. The gate valve is convenient to adjust, can avoid the phenomenon of blockage in the gate valve, and ensures the sealing performance of the gate plate.

Description

Gate valve convenient to adjust

Technical Field

The utility model relates to the technical field of gate valves, in particular to a gate valve convenient to adjust.

Background

The chinese patent with publication number CN210372077U discloses a gate valve convenient to adjust, including communicating pipe, communicating pipe is the cylindric structure of well expert, the inner wall welding of communicating pipe has two sectorial dogs, two the dog seals sliding connection jointly has the shoe, threaded hole has been seted up to the one end of shoe, the screw hole has the pivot through threaded connection, the outer wall welding of communicating pipe has the regulating pipe, the regulating pipe communicates with each other with communicating pipe is inside, the rotary groove has been seted up to the inner wall of regulating pipe, the rotary groove rotates through the bearing and is connected with the runner, the runner welds with the pivot mutually. In this device, through the meshing transmission of big bevel gear and bevel pinion for adjusting turning to of pole and the pivot turn to perpendicularly, realized the change that turns to, will adjust the pole and set up in the side of adjusting the pipe, and the width of adjusting the pole is less, and the overall space that occupies is less, has reduced the holistic overall dimension of gate valve, makes the gate valve can adapt to various narrow and small spaces, has increased the application range of gate valve.

The above patent still has the following defects in the using process: after the gate valve is used for a long time, impurities are easily accumulated in the gate valve, if the impurities are accumulated too much and are not removed in time, the phenomenon that the inside of the gate valve is blocked is easily caused, and the sealing performance of the gate plate is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the background art, and the utility model provides a gate valve convenient to adjust.

The technical scheme of the utility model is as follows: a gate valve convenient to adjust comprises a connecting pipe; the two sides of the connecting pipe are respectively communicated with a water inlet pipe and a water outlet pipe, a cavity is formed inside the connecting pipe, an installation shell is arranged at the upper end of the connecting pipe, a movable hole is formed inside the installation shell, the bottom end of the movable hole extends to the inside of the cavity, a flashboard is arranged in the movable hole in a sliding manner and is in clearance fit with the movable hole, a power assembly used for driving the flashboard to move up and down is arranged on the installation shell, the power assembly comprises a rotary disc and a lead screw, the lead screw is rotatably arranged on the installation shell, a threaded hole matched with the lead screw is vertically formed in the flashboard, the rotary disc is arranged above the installation shell and is connected with the end part of the lead screw, a filter screen device is arranged inside the cavity, a jack for the filter screen device to pass through is arranged at the bottom end of the connecting pipe, a sealing plate is connected with the bottom end of the filter screen device, and the sealing plate is detachably connected with the bottom of the connecting pipe through a plurality of butterfly bolts, the sealing plate is provided with a waterproof pad which is tightly abutted against the bottom of the connecting pipe, and a transparent observation window B is arranged on one side face of the connecting pipe.

Preferably, a red mark is arranged on one side surface of the flashboard, and a transparent observation window A and scales are arranged on one side surface, adjacent to the red mark, of the mounting shell.

Preferably, the connecting tube has a rectangular tubular structure.

Preferably, the bottom end of the gate is provided with a sealing gasket.

Preferably, the inner wall of connecting pipe is gone up the symmetry and is provided with two draw runners, and two draw runners all extend to the top in activity hole, and the both sides of flashboard all are provided with the slide opening with draw runner looks adaptation.

Preferably, when the flashboard moves to the limited position of the bottom end, the sealing gasket is contacted with the bottom surface of the connecting pipe at the moment, and the front side surface, the rear side surface and the left side surface of the flashboard are both in close contact with the inner wall of the connecting pipe.

Preferably, the filter screen device includes the screen frame and sets up the filter screen at the screen frame inboard, all sets up on inner wall around the connecting pipe and the roof and supplies screen frame male slot, and the bottom both sides of screen frame all are provided with joint strip.

Preferably, a circle of sealing groove A is formed in the upper end face of the waterproof pad, the cross section of the sealing groove A is of a wavy structure, and a sealing groove B matched with the sealing groove A is formed in the bottom of the connecting pipe.

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

1. the inside condition of connecting pipe can be observed through the transparent observation window B that sets up, when operating personnel observed the inside impurity accumulation of connecting pipe too much, at first close the gate valve, then rotatory take off respectively a plurality of butterfly bolts, again with the slow downstream of closing plate, drive the inside of filter screen device follow connecting pipe and shift out, make the inside impurity of connecting pipe outwards discharge through the jack, operating personnel can wash the filter screen device after that, install the inside of connecting pipe back again with the filter screen device after the cleaning work is accomplished, the design of this structure, can avoid the inside of gate valve to produce the phenomenon of jam, the sealing performance of flashboard has been guaranteed.

2. When adjusting the gate valve, rotate with the drive lead screw through rotating the carousel, and then driven the flashboard and reciprocated to can conveniently adjust the velocity of flow of liquid in the gate valve.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the connection pipe and the mounting case of the present invention.

Fig. 3 is a partially enlarged structural view of a portion a of fig. 2.

Reference numerals: 1. a connecting pipe; 2. mounting a shell; 201. a movable hole; 3. a water inlet pipe; 4. a water outlet pipe; 5. a shutter plate; 6. a screw rod; 7. a turntable; 8. a slide bar; 9. a slide hole; 10. a gasket; 11. red marking; 12. a cavity; 13. a transparent observation window A; 14. a transparent observation window B; 15. calibration; 16. a sealing plate; 17. a butterfly bolt; 181. a screen frame; 182. filtering with a screen; 19. a jack; 20. sealing rubber strips; 21. a waterproof pad; 211. a sealing groove A; 22. and (4) a slot.

Detailed Description

Example one

As shown in fig. 1-2, the gate valve convenient to adjust according to the present invention includes a connection pipe 1; the connecting pipe 1 is in a rectangular tubular structure, two sides of the connecting pipe 1 are respectively communicated with a water inlet pipe 3 and a water outlet pipe 4, a cavity 12 is formed inside the connecting pipe 1, an installation shell 2 is arranged at the upper end of the connecting pipe 1, a movable hole 201 is formed inside the installation shell 2, the bottom end of the movable hole 201 extends into the cavity 12, a flashboard 5 is arranged in the movable hole 201 in a sliding manner, a sealing gasket 10 is arranged at the bottom end of the flashboard 5, the flashboard 5 is in clearance fit with the movable hole 201, two sliding strips 8 are symmetrically arranged on the inner wall of the connecting pipe 1, the two sliding strips 8 extend to the top end of the movable hole 201, sliding holes 9 matched with the sliding strips 8 are arranged at two sides of the flashboard 5, a power assembly used for driving the flashboard 5 to move up and down is arranged on the installation shell 2, the power assembly comprises a rotary disc 7 and a screw rod 6, the screw rod 6 is rotatably arranged on the installation shell 2, threaded holes matched with the screw rod 6 are vertically formed in the flashboard 5, the rotary table 7 is arranged above the mounting shell 2 and connected with the end part of the screw rod 6, when the flashboard 5 moves to the limited position of the bottom end, the sealing gasket 10 is contacted with the bottom surface of the connecting pipe 1, the front side surface, the rear side surface and the left side surface of the flashboard 5 are both tightly contacted with the inner wall of the connecting pipe 1, the inside of the cavity 12 is provided with a filter screen device, the filter screen device comprises a screen frame 181 and a filter screen 182 arranged at the inner side of the screen frame 181, the front inner wall, the rear inner wall and the top wall of the connecting pipe 1 are both provided with slots 22 for the insertion of the screen frame 181, both sides of the bottom of the screen frame 181 are both provided with sealing rubber strips 20, the two sealing rubber strips 20 can block the gap part of the jack 19, the sealing effect on the jack 19 is further improved, the bottom end of the connecting pipe 1 is provided with the jack 19 for the filter screen device to pass through, the bottom end of the filter screen device is connected with a sealing plate 16, the sealing plate 16 is detachably connected with the bottom of the connecting pipe 1 through a plurality of butterfly bolts 17, be provided with waterproof pad 21 on the closing plate 16, waterproof pad 21 supports tightly with the bottom of connecting pipe 1, be provided with round seal groove A211 on waterproof pad 21's the up end, the transversal wavy structure of personally submitting of seal groove A211, and the bottom of connecting pipe 1 is provided with the seal groove B who agrees with mutually with seal groove A211, the design of seal groove A211 and seal groove B, can promote the leakproofness between waterproof pad 21 and the connecting pipe 1, avoid water to outwards spill over through jack 19, be provided with transparent observation window B14 on a side of connecting pipe 1.

In the embodiment, when the gate valve is adjusted, the rotary table 7 is rotated to drive the screw rod 6 to rotate, and then the gate plate 5 is driven to move up and down, so that the flow rate of liquid in the gate valve can be conveniently adjusted, impurities are easily accumulated in the gate valve, if the impurities are excessively accumulated and are not removed in time, the phenomenon that the inside of the gate valve is blocked is easily caused, and the sealing performance of the gate plate 5 is also influenced, the condition inside the connecting pipe 1 can be observed through the arranged transparent observation window B14, when an operator observes that the impurities are excessively accumulated in the connecting pipe 1, the gate valve is firstly closed, then the butterfly bolts 17 are respectively rotated and taken down, the sealing plate 16 is slowly moved downwards to drive the filter screen device to move out from the inside of the connecting pipe 1, so that the impurities in the connecting pipe 1 are outwards discharged through the jack 19, and then the operator can clean the filter screen device, after the cleaning operation is finished, the filter screen device is reinstalled into the connecting pipe 1.

Example two

As shown in fig. 1-2, compared to the first embodiment, in the gate valve of the present invention, in this embodiment, a red mark 11 is disposed on a side surface of the gate plate 5, and a transparent viewing window a13 and a scale 15 are disposed on a side surface of the mounting housing 2 adjacent to the red mark 11.

In this embodiment, when the shutter 5 moves up and down, the red mark 11 provided on the side surface thereof also moves along with the shutter, and the transparent observation window a13 is provided to enable an operator to conveniently observe the scale position corresponding to the red mark 11, thereby conveniently and accurately controlling the opening degree of the shutter 5.

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 gate valve convenient to adjust, characterized by comprising a connecting pipe (1); the two sides of the connecting pipe (1) are respectively communicated with a water inlet pipe (3) and a water outlet pipe (4), a cavity (12) is formed inside the connecting pipe (1), an installation shell (2) is arranged at the upper end of the connecting pipe (1), a movable hole (201) is formed inside the installation shell (2), the bottom end of the movable hole (201) extends into the cavity (12), a flashboard (5) is arranged in the movable hole (201) in a sliding manner, the flashboard (5) is in clearance fit with the movable hole (201), a power assembly for driving the flashboard (5) to move up and down is arranged on the installation shell (2), the power assembly comprises a rotary disc (7) and a lead screw (6), the lead screw (6) is rotatably arranged on the installation shell (2), a threaded hole matched with the lead screw (6) is vertically formed in the flashboard (5), the rotary disc (7) is arranged above the installation shell (2) and is connected with the end of the lead screw (6), the inside of cavity (12) is provided with the filter screen device, the bottom of connecting pipe (1) is provided with jack (19) that supply the filter screen device to pass, the bottom of filter screen device is connected with closing plate (16), realize dismantling through a plurality of butterfly bolt (17) between closing plate (16) and the bottom of connecting pipe (1) and be connected, be provided with waterproof pad (21) on closing plate (16), waterproof pad (21) are supported tightly mutually with the bottom of connecting pipe (1), be provided with transparent observation window B (14) on the side of connecting pipe (1).

2. A gate valve for easy adjustment according to claim 1, characterized in that a red mark (11) is provided on one side of the gate plate (5), and a transparent viewing window a (13) and a scale (15) are provided on one side of the mounting housing (2) adjacent to the red mark (11).

3. A gate valve facilitating adjustment according to claim 1, characterised in that the connecting pipe (1) is of rectangular tubular construction.

4. A gate valve facilitating regulation according to claim 1, characterised in that the bottom end of the gate plate (5) is provided with a sealing gasket (10).

5. A gate valve convenient to adjust according to claim 1, characterized in that two sliding bars (8) are symmetrically arranged on the inner wall of the connecting pipe (1), both sliding bars (8) extend to the top end of the movable hole (201), and both sides of the gate plate (5) are provided with sliding holes (9) matched with the sliding bars (8).

6. A gate valve easy to adjust according to claim 4, characterized in that when the gate plate (5) moves to the limited position of the bottom, the sealing gasket (10) contacts with the bottom of the connecting pipe (1), and the front and back sides and the left side of the gate plate (5) are closely contacted with the inner wall of the connecting pipe (1).

7. The gate valve convenient to adjust as claimed in claim 1, wherein the filter screen device comprises a screen frame (181) and a filter screen (182) arranged inside the screen frame (181), the front and rear inner walls and the top wall of the connecting pipe (1) are provided with slots (22) for the screen frame (181) to insert, and two sides of the bottom of the screen frame (181) are provided with sealing rubber strips (20).

8. A gate valve convenient to adjust according to claim 1, characterized in that a circle of sealing groove A (211) is arranged on the upper end face of the waterproof gasket (21), the cross section of the sealing groove A (211) is in a wave-shaped structure, and the bottom of the connecting pipe (1) is provided with a sealing groove B matched with the sealing groove A (211).