CN215257923U

CN215257923U - High-pressure energy-saving gate valve

Info

Publication number: CN215257923U
Application number: CN202121603869.7U
Authority: CN
Inventors: 肖建林; 金时如; 郑阿兵
Original assignee: Baiqiang Valve Group Co ltd
Current assignee: Baiqiang Valve Group Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-21
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses an energy-saving gate valve of high pressure, including the valve body, department installs the disk seat in the middle of the inside of valve body, and the flashboard is installed to the inboard of disk seat, and department's vertical valve rod of installing in the middle of the top of valve body, valve gap are installed at the top of valve body, and the top of valve gap is connected with the standpipe, and inside between valve gap and the standpipe is provided with the seal receptacle, and the hand wheel is installed at the top of standpipe, and top one side outer wall of standpipe is provided with the glib talker, and the top of valve rod passes valve gap and standpipe in proper order and hand wheel connection. In this energy-saving gate valve of high pressure, can be convenient for dismantle and install through the valve gap that wherein sets up, and can seal the valve rod outside through graphite packing when using, can seal the lower part outside of valve rod through last seal receptacle, avoid liquid infiltration, guarantee the device's leakproofness, and can compress tightly graphite packing through the pressure pad that packs, further guarantee sealed effect.

Description

High-pressure energy-saving gate valve

Technical Field

The utility model relates to the technical field of valves, specifically speaking relates to an energy-saving gate valve of high pressure.

Background

A gate valve, a valve of a plate type opening and closing member is arranged on the pipeline passage, and the structure is similar to a gate in an open channel for water delivery. The valve is the valve with the largest use amount in all kinds of valves, the applicable medium is wide, and 50 percent of the total valve amount in petroleum and petrochemical engineering projects is the gate valve.

The structure of current gate valve structure is complicated, is not convenient for assemble and dismantle when using, and also is inconvenient to maintain when damaging, and the leakproofness is not enough, causes inside liquid outwards to reveal very easily, arouses environmental pollution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-saving gate valve of high pressure to solve the problem that proposes in the above-mentioned background art.

In order to realize the above object, the utility model provides a high pressure energy-saving gate valve, which comprises a valve body, the disk seat is installed to department in the middle of the inside of valve body, the flashboard is installed to the inboard of disk seat, the vertical valve rod of installing of department in the middle of the top of valve body, the valve gap is installed at the top of valve body, the top of valve gap is connected with the standpipe, inside between valve gap and the standpipe is provided with the seal receptacle, the hand wheel is installed at the top of standpipe, top one side outer wall of standpipe is provided with the glib talker, the top of valve rod is passed valve gap and standpipe in proper order and is connected with the hand wheel.

Preferably, both ends of the valve body are respectively provided with a valve front channel and a valve rear channel.

Preferably, the valve cover is connected with the top of the valve body through a first hexagon nut and a stud bolt.

Preferably, a graphite gasket is arranged between the valve cover and the side edge of the valve seat.

Preferably, graphite packing is arranged above the upper sealing seat between the interior of the vertical pipe and the outer wall of the valve rod, and a packing pressing sleeve is arranged at the top of the graphite packing.

Preferably, a valve rod nut is arranged on the outer side of the top of the valve rod, the outer wall of the valve rod nut is rotatably connected with a sleeve through a bearing gland, the hand wheel is fixed to the top of the valve rod nut through a set screw, and a round nut is installed at the top of the set screw.

Preferably, a packing pressing plate is arranged at the top of the packing pressing sleeve, a bolt hole is formed in the outer side of the sleeve and below the packing pressing plate, the packing pressing plate is connected with the sleeve through a loose joint bolt, a hole is formed in the bottom end of the loose joint bolt, the bottom end of the loose joint bolt is rotatably connected with the bolt hole in the outer side of the sleeve through a cylindrical pin, and a second hexagon nut is installed at the top end of the loose joint bolt.

Preferably, a label is mounted on the outer wall of one side of the valve body.

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

in this energy-saving gate valve of high pressure, can be convenient for dismantle and install through the valve gap that wherein sets up, and can seal the valve rod outside through graphite packing when using, can seal the lower part outside of valve rod through last seal receptacle, avoid liquid infiltration, guarantee the device's leakproofness, and can compress tightly graphite packing through the pressure pad that packs, further guarantee sealed effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.

The various reference numbers in the figures mean:

1. a valve body; 2. a valve seat; 3. a shutter plate; 4. a valve stem; 5. a graphite gasket; 6. a valve cover; 7. a first hexagonal nut; 8. a stud bolt; 9. an upper seal seat; 10. graphite filler; 11. a cylindrical pin; 12. pressing and sleeving the filler; 13. a packing press plate; 14. a second hexagonal nut; 15. loose joint bolts; 16. a nozzle tip; 17. a valve stem nut; 18. a bearing gland; 19. a hand wheel; 20. a round nut; 21. tightening the screw; 22. a label; 23. a sleeve; 24. a standpipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a high-pressure energy-saving gate valve, as shown in figures 1-3, comprising a valve body 1, a valve seat 2 is arranged in the middle of the interior of the valve body 1, a flashboard 3 is arranged at the inner side of the valve seat 2, used for controlling the opening and closing of a channel in the valve body 1, a valve rod 4 is vertically arranged in the middle of the top of the valve body 1, used for driving the flashboard 3 to move, the top of the valve body 1 is provided with a valve cover 6 used for sealing the top of the valve seat 2, the top of the valve cover 6 is connected with a vertical pipe 24, an upper sealing seat 9 is arranged inside the space between the valve cover 6 and the vertical pipe 24, used for sealing the outer side of the lower part of the valve rod 4, a hand wheel 19 is arranged at the top part of a vertical pipe 24, an oil nozzle 16 is arranged on the outer wall of one side of the top part of the vertical pipe 24, the device is used for filling lubricating oil, ensures that the valve rod 4 flexibly rotates, sequentially penetrates through the valve cover 6 and the vertical pipe 24 at the top of the valve rod 4 and is connected with the hand wheel 19, and the valve rod 4 can be controlled to rotate through the hand wheel 19.

In this embodiment, the two ends of the valve body 1 are respectively provided with a pre-valve channel and a post-valve channel, which are respectively externally connected with an input pipeline and an output pipeline.

Specifically, the valve cover 6 is connected with the top of the valve body 1 through a first hexagon nut 7 and a stud bolt 8. The valve cover 6 is convenient to mount and dismount.

Further, be provided with graphite gasket 5 between the side of valve gap 6 and disk seat 2 for guarantee the leakproofness of valve gap 6 and disk seat 2 junction, avoid producing the seepage.

It is worth noting that the valve cover 6 is made of nodular cast iron, and the material is high in strength and good in toughness, so that the valve cover 6 is anti-aging and not prone to fracture and damage.

Further, graphite packing 10 is installed above the upper sealing seat 9 between the interior of the standpipe 24 and the outer wall of the valve rod 4, and a packing pressing sleeve 12 is installed at the top of the graphite packing 10 and used for pressing the graphite packing 10.

Further, a valve rod nut 17 is arranged on the outer side of the top of the valve rod 4, a sleeve 23 is rotatably connected to the outer wall of the valve rod nut 17 through a bearing gland 18, a hand wheel 19 is fixed to the top of the valve rod nut 17 through a set screw 21, a round nut 20 is installed at the top of the set screw 21, the hand wheel 19 is convenient to install on the top of the valve rod 4 and is convenient to detach, and the valve rod 4 can flexibly rotate.

Further, the valve rod 4 is made of stainless steel materials, the stainless steel has good air, steam, water and other weak corrosion resistance, and damage to the valve rod 4 after long-term use can be avoided.

Further, the top of packing and pressing the cover 12 is provided with the pressure plate 13, the below department that the outside of sleeve pipe 23 is located pressure plate 13 is provided with the bolt hole, pressure plate 13 passes through loose joint bolt 15 and is connected with sleeve pipe 23, the bottom of loose joint bolt 15 is seted up porosely, the bottom of loose joint bolt 15 is passed through cylindric lock 11 and is connected with the bolt hole rotation in the sleeve pipe 23 outside, second hexagon nut 14 is installed on the top of loose joint bolt 15 and is compressed tightly packing and pressing the cover 12 through pressure plate 13, and then make graphite filler 10 compact, guarantee the leakproofness.

Furthermore, the outer wall of one side of the valve body 1 is provided with a label 21, so that information can be recorded conveniently.

When the high-pressure energy-saving gate valve of the embodiment is used, firstly, the device is assembled, then, two ends of the valve body 1 are respectively externally connected with an input pipe and an output pipe, the material transmission can be ensured, when in use, the valve rod 4 is driven to rotate by the rotation of the hand wheel 19, thereby leading the flashboard 3 to move, leading the gate valve 3 to rotate to open and close the channel in the valve body 1, being convenient for circulation or closing, when the channel is opened, the outer side of the lower part of the valve rod 4 is sealed through the upper sealing seat 9, the packing pressure plate 13 enables the packing pressure sleeve 12 to compress the graphite packing 10, the sealing performance of the outer sides of the upper end and the lower end of the valve rod 4 is ensured, when in use, the lubricating oil is injected into the oil nozzle 16, thereby ensuring that the valve rod 4 flexibly rotates and is convenient to use, when inside needs clearance or maintenance, directly pull down valve gap 6 for the top of valve body 1 is beaten, thereby conveniently carries out inside clearance and maintenance.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an energy-saving gate valve of high pressure, includes valve body (1), its characterized in that: locate to install disk seat (2) in the middle of the inside of valve body (1), flashboard (3) are installed to the inboard of disk seat (2), locate vertical valve rod (4) of installing in the middle of the top of valve body (1), valve gap (6) are installed at the top of valve body (1), the top of valve gap (6) is connected with standpipe (24), inside between valve gap (6) and standpipe (24) is provided with seal receptacle (9), hand wheel (19) are installed at the top of standpipe (24), top one side outer wall of standpipe (24) is provided with glib talker (16), the top of valve rod (4) is passed valve gap (6) and standpipe (24) in proper order and is connected with hand wheel (19).

2. The high-pressure energy-saving gate valve according to claim 1, wherein: and the two ends of the valve body (1) are respectively provided with a front valve passage and a rear valve passage.

3. The high-pressure energy-saving gate valve according to claim 1, wherein: the valve cover (6) is connected with the top of the valve body (1) through a first hexagon nut (7) and a stud bolt (8).

4. The high-pressure energy-saving gate valve according to claim 1, wherein: and a graphite gasket (5) is arranged between the valve cover (6) and the side edge of the valve seat (2).

5. The high-pressure energy-saving gate valve according to claim 1, wherein: graphite packing (10) is arranged above the upper sealing seat (9) between the inner part of the vertical pipe (24) and the outer wall of the valve rod (4), and a packing pressing sleeve (12) is arranged at the top of the graphite packing (10).

6. The high-pressure energy-saving gate valve according to claim 5, wherein: the top outside of valve rod (4) is provided with valve-stem nut (17), the outer wall of valve-stem nut (17) is rotated through bearing gland (18) and is connected with sleeve pipe (23), hand wheel (19) are fixed at the top of valve-stem nut (17) through holding screw (21), round nut (20) are installed at the top of holding screw (21).

7. The high-pressure energy-saving gate valve according to claim 6, wherein: the packing press sleeve is characterized in that a packing press plate (13) is arranged at the top of the packing press sleeve (12), a bolt hole is formed in the outer side of the sleeve (23) and located below the packing press plate (13), the packing press plate (13) is connected with the sleeve (23) through a loose joint bolt (15), a hole is formed in the bottom end of the loose joint bolt (15), the bottom end of the loose joint bolt (15) is rotatably connected with the bolt hole in the outer side of the sleeve (23) through a cylindrical pin (11), and a second hexagon nut (14) is installed at the top end of the loose joint bolt (15).

8. The high-pressure energy-saving gate valve according to claim 6, wherein: and a label (22) is arranged on the outer wall of one side of the valve body (1).