CN217463268U

CN217463268U - Sealed high abrasion build-up welding formula elasticity gate valve

Info

Publication number: CN217463268U
Application number: CN202123411651.4U
Authority: CN
Inventors: 严跃伟; 陈永东
Original assignee: Suzhou Yuejia Valve Co ltd
Current assignee: Suzhou Yuejia Valve Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-20
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a sealed high abrasion build-up welding formula elasticity gate valve, which comprises a valve body, the both ends symmetry is provided with flange connection dish about the valve body, the top of valve body is provided with the valve gap in the centre, the top of valve gap is provided with the hand wheel, the arc logical groove has been seted up to the top right-hand member wall body of valve body, the inner chamber that the arc leads to the groove is inserted and is equipped with the arc sealed piece, the centre of arc sealed piece is vertically inserted and is equipped with the axis of rotation, the circular frame of bottom fixedly connected with of axis of rotation, the left side of circular frame inner chamber is provided with the filter screen, the lower extreme on circular frame inner chamber right side is provided with cowl. This sealed high abrasion build-up welding formula elastic gate valve can conveniently filter the inside fluid of valve body through the circular frame and the filter screen that set up, has avoided impurity to collide the inside component of valve body, and then has increased the life of the inside component of valve body, and cowl's setting can be spacing to accomodate the impurity of filter screen separation.

Description

Sealed high abrasion build-up welding formula elasticity gate valve

Technical Field

The utility model relates to a sealed high abrasion build-up welding formula elastic gate valve field, in particular to sealed high abrasion build-up welding formula elastic gate valve.

Background

The valve is used for opening and closing pipeline, controlling flow direction, regulating and controlling parameters of conveying medium, and is used for various valves used in fluid control system, from simplest stop valve to very complicated automatic control system, and its variety and specification are very various, and the elastic seat sealing gate valve is one of many pipeline valves, and is mainly used for controlling forced flow-stopping of liquid medium in pipeline, and is extensively used.

In chinese utility model patent application no: CN202120554423.3 discloses a high-sealing elastic seat seal gate valve, which comprises a valve body, a valve cover, a rubber seal gasket, a top cover, a valve rod fixing block, a shaft sleeve, a valve rod, a hand wheel, a valve rod nut, an elastic valve seat, a locking pin, a sealing filler, a sealing ring and a dust cover; the utility model discloses a reach and increased the whole sealed effect of valve, increased elastic valve seat's shock resistance simultaneously and promoted valve life, and opened and close more nimble reliable effect. The inside filtration that does not set up of device's valve body, impurity in the liquid can damage the inside component of valve body to influence life.

Therefore, it is necessary to provide a sealing high-wear-resistance build-up welding type elastic gate valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a sealed high abrasion build-up welding formula elastic gate valve can effectively solve the problem in the background art.

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

a sealed high wear-resistant surfacing type elastic gate valve comprises a valve body, flange connection discs are symmetrically arranged at the left end and the right end of the valve body, a valve cover is arranged in the center of the top of the valve body, a hand wheel is arranged above the valve cover, an arc-shaped through groove is formed in the wall body at the right end of the top of the valve body, an arc-shaped sealing block is inserted into the inner cavity of the arc-shaped through groove, a rotating shaft is longitudinally inserted in the center of the arc-shaped sealing block, a circular frame is fixedly connected to the bottom of the rotating shaft, a filter screen is arranged on the left side of the inner cavity of the circular frame, an arc-shaped baffle is arranged at the lower end of the right side of the inner cavity of the circular frame, a sealing cover is sleeved outside the upper end of the rotating shaft, a handle is fixedly connected to the top of the rotating shaft, a rubber sealing frame is fixedly connected to the bottom peripheral wall body of the sealing cover, a hollow shell is longitudinally arranged outside the notch of the arc-shaped through groove, and a sealing slot is formed in the top peripheral wall body of the hollow shell, the handle is characterized in that a hollow rod is longitudinally and fixedly connected to the front end of the bottom of the handle, a fixed inserting rod is longitudinally inserted into the lower end of an inner cavity of the hollow rod, a negative pressure spring is longitudinally and fixedly connected to the top of the fixed inserting rod, pull blocks are symmetrically and fixedly connected to the left side wall and the right side wall of the middle of the fixed inserting rod, a second fixed inserting hole is formed in the middle of the front end of the upper surface of the sealing cover, and a first fixed inserting hole is formed in the middle of the left end of the upper surface of the sealing cover.

Preferably, the diameter of the circular frame is matched with the inner diameter of the valve body, the lower end of the rotating shaft is rotatably connected with the arc-shaped sealing block through a sealing bearing, and the upper end of the rotating shaft is rotatably connected with the sealing cover through a sealing bearing.

Preferably, the side wall of the arc-shaped sealing block is tightly attached to the side wall of the inner cavity of the arc-shaped through groove.

Preferably, the rubber seal frame is inserted in the inner cavity of the seal slot, and is matched with the seal slot, the seal cover is attached to the top of the hollow shell, and the seal cover is connected with the hollow shell through a bolt.

Preferably, the top of the negative pressure spring is fixedly connected with the top wall body of the inner cavity of the hollow rod.

Preferably, the lower end of the fixed inserted bar is matched with the first fixed insertion hole and the second fixed insertion hole.

Advantageous effects

Compared with the prior art, the utility model provides a sealed high abrasion build-up welding formula elasticity gate valve possesses following beneficial effect:

1. this sealed high abrasion build-up welding formula elastic gate valve can conveniently filter the inside fluid of valve body through the circular frame and the filter screen that set up, has avoided impurity to collide the inside component of valve body, and then has increased the life of the inside component of valve body, and cowl's setting can be spacing to accomodate the impurity of filter screen separation.

2. This sealed high abrasion build-up welding formula elastic gate valve leads to groove, hollow shell, sealed lid, handle, fixed inserted bar, hollow pole, first fixed jack, the fixed jack of second, draws piece, negative pressure spring's the mutually supporting can conveniently install and dismantle the filter screen, is convenient for maintain the filter screen, the impurity of also being convenient for simultaneously takes out, convenient operation, the sealed frame of rubber, sealed slot, the sealed piece of arc set up multiplicable leakproofness.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the hollow housing and the valve body of the present invention;

FIG. 4 is a schematic structural view of the joint of the filter screen, the arc-shaped sealing block and the rotating shaft of the present invention;

fig. 5 is a schematic structural view of the fixing rod of the present invention detached from the hollow rod.

In the figure: 1. a valve body; 2. a flange connecting plate; 3. a valve cover; 4. a hand wheel; 5. a hollow shell; 6. a sealing cover; 7. a handle; 8. a rotating shaft; 9. a first fixed insertion hole; 10. a second fixed jack; 11. a hollow shaft; 12. fixing the inserted rod; 13. pulling the block; 14. an arc-shaped through groove; 15. sealing the slot; 16. a rubber sealing frame; 17. an arc-shaped sealing block; 18. a circular frame; 19. filtering with a screen; 20. an arc-shaped baffle plate; 21. a negative pressure spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a sealed high wear-resistant surfacing type elastic gate valve comprises a valve body 1, flange connection discs 2 are symmetrically arranged at the left end and the right end of the valve body 1, a valve cover 3 is arranged in the center of the top of the valve body 1, a hand wheel 4 is arranged above the valve cover 3, an arc through groove 14 is formed in the wall body at the right end of the top of the valve body 1, an arc sealing block 17 is inserted in the inner cavity of the arc through groove 14, the side wall of the arc sealing block 17 is tightly attached to the side wall of the inner cavity of the arc through groove 14, a rotating shaft 8 is longitudinally inserted in the center of the arc sealing block 17, the lower end of the rotating shaft 8 is rotatably connected with the arc sealing block 17 through a sealing bearing, the upper end of the rotating shaft 8 is rotatably connected with a sealing cover 6 through a sealing bearing, a circular frame 18 is fixedly connected to the bottom of the rotating shaft 8, the diameter of the circular frame 18 is adapted to the inner diameter of the valve body 1, a filter screen 19 is arranged at the left side of the inner cavity of the circular frame 18, the arc baffle 20 is arranged at the lower end of the right side of the inner cavity of the circular frame 18, the fluid in the valve body 1 can be conveniently filtered through the arranged circular frame 18 and the filter screen 19, the impurities are prevented from colliding with elements in the valve body 1, the service life of the elements in the valve body 1 is prolonged, the impurities blocked by the filter screen 19 can be limited and stored through the arrangement of the arc baffle 20, the sealing cover 6 is sleeved outside the upper end of the rotating shaft 8, the sealing cover 6 is attached to the top of the hollow shell 5, the sealing cover 6 is connected with the hollow shell 5 through a bolt, the handle 7 is fixedly connected to the top of the rotating shaft 8, the rubber sealing frame 16 is fixedly connected to the peripheral wall body at the bottom of the sealing cover 6, the rubber sealing frame 16 is inserted into the inner cavity of the sealing slot 15, the rubber sealing frame 16 is matched with the sealing slot 15, the rubber sealing frame 16, the sealing slot 15 and the arc sealing block 17 can increase the sealing performance, a hollow shell 5 is longitudinally arranged outside a notch of the arc-shaped through groove 14, a sealing slot 15 is formed in the top peripheral wall body of the hollow shell 5, a hollow rod 11 is longitudinally and fixedly connected to the front end of the bottom of the handle 7, a fixed inserting rod 12 is longitudinally inserted into the lower end of the inner cavity of the hollow rod 11, the lower end of the fixed inserting rod 12 is matched with a first fixed insertion hole 9 and a second fixed insertion hole 10, a negative pressure spring 21 is longitudinally and fixedly connected to the top of the fixed inserting rod 12, the top of the negative pressure spring 21 is fixedly connected with the top wall body of the inner cavity of the hollow rod 11, pull blocks 13 are symmetrically and fixedly connected to the left side wall and the right side wall of the middle of the fixed inserting rod 12, the second fixed insertion hole 10 is formed in the middle of the front end of the upper surface of the sealing cover 6, the first fixed insertion hole 9 is formed in the middle of the left end of the upper surface of the sealing cover 6, and the hollow shell 5, the sealing cover 6, the handle 7 and the fixed inserting rod 12 are formed by the arc-shaped through groove 14, Hollow rod 11, first fixed jack 9, the fixed jack 10 of second, draw piece 13, negative spring 21 mutually support and can conveniently install and dismantle filter screen 19, be convenient for maintain filter screen 19, the impurity of also being convenient for simultaneously takes out convenient operation.

It should be noted that the utility model relates to a sealed high abrasion build-up welding formula elastic gate valve, will have one end flange connection dish 2 of filter screen 19 to install in the upper reaches of fluid flow direction during the use, filter screen 19 is located the inner chamber of valve body 1, and the outside wall body of circular frame 18 and the inner wall laminating of valve body 1, filter screen 19 can conveniently filter the fluid of valve body 1 inside, avoided impurity to collide the component of valve body 1 inside, and then increased the life of the component of valve body 1, cowl 20 sets up can carry out spacing the accomodating to the impurity of filter screen 19 separation, it is specific, by the clearance that obstructed impurity can fall between filter screen 19 and cowl 20, and then realize accomodating, at arc through groove 14, hollow casing 5, sealed lid 6, handle 7, fixed inserted bar 12, hollow bar 11, first fixed jack 9, second fixed jack 10, draw piece 13, The mutual cooperation of the negative pressure spring 21 can facilitate the installation and the disassembly of the filter screen 19, specifically, during the disassembly, the two pull blocks 13 are pulled upwards to drive the fixed inserted bar 12 to extrude the negative pressure spring 21 upwards in the inner cavity of the hollow bar 11, meanwhile, the lower end of the fixed inserted bar 12 can be separated from the inner cavity of the second fixed insertion hole 10, then the handle 7 is rotated clockwise to ninety degrees, because the rotating shaft 8 is rotatably connected with the middle parts of the sealing cover 6 and the arc-shaped sealing block 17, the handle 7 is rotated to enable the rotating shaft 8 to drive the circular frame 18 to rotate ninety degrees, then the two pull blocks 13 are loosened, the lower end of the fixed inserted bar 12 can be inserted into the inner cavity of the first fixed insertion hole 9 under the reverse acting force of the negative pressure spring 21, then the bolt between the sealing cover 6 and the hollow shell 5 is released, finally the handle 7 is pulled upwards, the handle 7 drives the circular frame 18 to sequentially pass through the arc-shaped through groove 14, The inner cavity of the hollow shell 5 and the final taking-out and dismounting of the filter screen 19 are achieved, the filter screen 19 is convenient to maintain, meanwhile, impurities are convenient to take out, operation is convenient, and the arrangement of the rubber sealing frame 16, the sealing slot 15 and the arc-shaped sealing block 17 can increase sealing performance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sealed high abrasion build-up welding formula elasticity gate valve, includes valve body (1), its characterized in that: the improved valve is characterized in that flange connection discs (2) are symmetrically arranged at the left end and the right end of the valve body (1), a valve cover (3) is arranged in the center of the top of the valve body (1), a hand wheel (4) is arranged above the valve cover (3), an arc-shaped through groove (14) is formed in the wall body of the right end of the top of the valve body (1), an arc-shaped sealing block (17) is inserted into the inner cavity of the arc-shaped through groove (14), a rotating shaft (8) is longitudinally inserted in the center of the arc-shaped sealing block (17), a circular frame (18) is fixedly connected to the bottom of the rotating shaft (8), a filter screen (19) is arranged on the left side of the inner cavity of the circular frame (18), an arc-shaped baffle plate (20) is arranged at the lower end of the right side of the inner cavity of the circular frame (18), a sealing cover (6) is sleeved outside the upper end of the rotating shaft (8), a handle (7) is fixedly connected to the top of the rotating shaft (8), and a rubber sealing cover (6) is fixedly connected to the peripheral wall body (16), the utility model discloses a hollow shell (5) is vertically provided with in the notch outside that the arc leads to groove (14), sealed slot (15) have been seted up to the peripheral wall body in top of hollow shell (5), the hollow pole (11) of the vertical fixedly connected with in bottom front end of handle (7), the inner chamber lower extreme of hollow pole (11) vertically is inserted and is equipped with fixed inserted bar (12), the vertical fixedly connected with negative pressure spring (21) in top of fixed inserted bar (12), the middle part left and right sides wall symmetry fixedly connected with of fixed inserted bar (12) draws piece (13), second fixed jack (10) have been seted up at the upper surface front end middle part of sealed lid (6), first fixed jack (9) have been seted up at the left end middle part of sealed lid (6) upper surface.

2. The sealed high-wear-resistance bead welding type elastic gate valve according to claim 1, characterized in that: the diameter of circular frame (18) and the internal diameter adaptation of valve body (1), the lower extreme and the arc seal piece (17) of axis of rotation (8) are connected through sealed bearing rotation, and the upper end and the sealed lid (6) of axis of rotation (8) are connected through sealed bearing rotation.

3. The sealed high-wear-resistance bead welding type elastic gate valve according to claim 1, characterized in that: the side wall of the arc-shaped sealing block (17) is tightly attached to the side wall of the inner cavity of the arc-shaped through groove (14).

4. The sealed high-wear-resistance bead welding type elastic gate valve according to claim 1, characterized in that: the rubber sealing frame (16) is inserted into an inner cavity of the sealing slot (15), the rubber sealing frame (16) is matched with the sealing slot (15), the sealing cover (6) is attached to the top of the hollow shell (5), and the sealing cover (6) is connected with the hollow shell (5) through bolts.

5. The sealed high-wear-resistance bead welding type elastic gate valve according to claim 1, characterized in that: the top of the negative pressure spring (21) is fixedly connected with the top wall body of the inner cavity of the hollow rod (11).

6. The sealed high-wear-resistance bead welding type elastic gate valve according to claim 1, characterized in that: the lower end of the fixed inserted bar (12) is matched with the first fixed insertion hole (9) and the second fixed insertion hole (10).