CN215059613U

CN215059613U - Gate valve casting

Info

Publication number: CN215059613U
Application number: CN202120999029.0U
Authority: CN
Inventors: 谢正确; 余海引; 余建克; 周建胜; 魏胜贤
Original assignee: Zhejiang Tuoxin Casting Co ltd
Current assignee: Zhejiang Tuoxin Casting Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-07
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a gate valve foundry goods, including the gate valve casing, there is the connecting pipe gate valve casing inner wall both sides through flange joint, a gate valve casing top fixedly connected with seals a section of thick bamboo, gate valve casing surface position has been seted up the adjustment tank in a sealed section of thick bamboo inside position. The utility model discloses a position of adjusting nut and cylinder regulation and fixed rotatory handle, the cooperation threaded rod makes sealed deckle board slide from top to bottom in the adjustment tank, make sealed deckle board move on the current-limiting ring board, thereby make current hole keep unblocked or airtight and aperture to adjust, be convenient for control rivers stop with circulation and flow rate control, the initial position of sealed deckle board is good at the use timing, and two adjusting nut and cylinder of relative rotation in the threaded rod outside, rotatory to the position with fixed block top butt with the three, be convenient for fix a position and adjust the position of sealed deckle board, can get back to the initial position fast after adjusting, and can not cause the mechanical wear that the inside spare part excessive pressure of floodgate valve casing caused.

Description

Gate valve casting

Technical Field

The utility model relates to a gate valve foundry goods field, concretely relates to gate valve foundry goods.

Background

The cast iron gate valve is a valve, has the characteristics of small flow resistance, large height, long opening and closing time and the like, and has the defect of inconvenient maintenance, and the cast iron gate valve has two types, namely a wedge type gate plate type gate valve and a parallel gate plate type gate valve.

The gate valve foundry goods goes up and down to go on through the screw rod on the current market, and the gate valve foundry goods need all promote the top of disk seat passageway with the flashboard, need drop the flashboard is whole again when closing, leads to the stroke of opening and close of flashboard great, and adjusts the not good control of location, leads to the inside spare part overvoltage loss of device easily, is difficult for carrying out the rigidity to the screw rod waiting for the in-process of rivers circulation.

Therefore, it is necessary to invent a gate valve casting to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gate valve foundry goods to the stroke of opening and close of solving the flashboard is great, and adjusts the not good control of location, leads to the inside spare part overvoltage loss of device easily, is difficult for carrying out the problem of rigidity to the screw at the in-process of waiting for the rivers circulation.

In order to achieve the above object, the present invention provides the following technical solutions: a gate valve casting comprises a gate valve shell, wherein connecting pipes are connected to two sides of the inner wall of the gate valve shell through flanges, a closed cylinder is fixedly connected to the top of the gate valve shell, an adjusting groove is formed in the surface of the gate valve shell, which is located in the closed cylinder, a sealing frame plate is slidably connected to the inside of the adjusting groove, a limiting frame plate is fixedly connected to the top end and the bottom end of the inner wall of the gate valve shell, a current-limiting ring plate is fixedly connected to the bottom end of the gate valve shell, a through hole is formed in the middle of the current-limiting ring plate, the inner side of the sealing frame plate is attached to the current-limiting ring plate, a threaded rod is rotatably connected to the central axis of the top of the limiting frame plate, connecting plates are fixedly connected to two sides of the top of the closed cylinder, a fixed block is fixedly connected to the tops of the two connecting plates together, the threaded rod penetrates through the closed cylinder and the fixed block, and is in threaded connection with the through holes in the closed cylinder and the fixed block, the threaded rod outside top threaded connection has the cylinder, the rotatory handle of cylinder outside fixedly connected with, cylinder top and bottom all are equipped with adjusting nut, two adjusting nut all with threaded rod threaded connection.

Preferably, two be provided with fixed subassembly between the connecting plate, fixed subassembly comprises articulated shaft, fixed plate and connecting screw, two the relative one side symmetry of connecting plate is equipped with the articulated shaft, the connecting plate articulates through the articulated shaft has the fixed plate, the screw hole has all been seted up at the fixed plate both ends, adjacent two threaded connection has connecting screw in the screw hole.

Preferably, the cross section of the fixing plate is semicircular, a rubber layer is fixedly connected to the inner wall of the fixing plate, and the inner side face of the rubber layer is matched with the outer wall of the threaded rod.

Preferably, the two connecting pipes respectively correspond to a water inlet port and a water outlet port of the gate valve shell, and the connecting pipes are connected with water conveying pipes in an inner thread mode.

Preferably, the adjusting groove is matched with the outer wall of the sealing frame plate, the outer wall of the sealing frame plate is provided with a sealing buffer layer, and the sealing buffer layer is made of rubber materials.

Preferably, the limiting frame plates are made of memory metal materials, the number of the limiting frame plates is set to be two groups, the two groups of limiting frame plates correspond to two sides of the bottom of the adjusting groove respectively, and two sides of the sealing frame plates are attached to the limiting frame plates on two sides respectively.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the position of the rotary handle is adjusted and fixed through the adjusting nut and the roller, the sealing frame plate slides up and down in the adjusting groove by matching with the threaded rod, the sealing frame plate moves on the current-limiting ring plate, so that the passing hole is kept smooth or closed and the aperture is adjusted, the stop and circulation of water flow and flow rate control are convenient to control, the initial position of the sealing frame plate is well set when the rotary valve is used, the two adjusting nuts and the roller are relatively rotated outside the threaded rod, the three are rotated to the position abutted to the top end of the fixed block, the position of the sealing frame plate is convenient to position and adjust, the initial position can be quickly returned after adjustment, and mechanical abrasion caused by overpressure of parts in the brake valve housing can be avoided;

2. through the fixed thread of fixed subassembly, after the position control of sealed deckle board is good, the fixed plate articulated shaft is rotated in the upset, make the articulated shaft outer wall of the articulated axial threaded rod of deckle board draw close, the inside of putting into the fixed plate articulated shaft with connecting screw articulated shaft is fixed the position of fixed plate articulated shaft, and the cooperation rubber layer articulated shaft is fixed the position of threaded rod articulated shaft, avoid the mistake to touch the sealed deckle board articulated shaft position change that causes, improve the stability of sealed deckle board articulated shaft and threaded rod articulated shaft, be convenient for inject the stable transmission of the inside fluid of gate valve casing articulated shaft.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the internal structure of the gate valve housing of the present invention;

fig. 4 is a top view of the fixing assembly of the present invention;

fig. 5 is a top view of the rotating handle of the present invention.

Description of reference numerals:

1. a gate valve housing; 2. a connecting pipe; 3. an adjustment groove; 4. sealing the frame plate; 5. a limiting frame plate; 6. a threaded rod; 7. a connecting plate; 8. hinging a shaft; 9. a fixing plate; 10. a connecting screw; 11. a fixed block; 12. a closed cartridge; 13. a drum; 14. a rotary handle, 15 and a current limiting ring plate; 16. a pass-through hole; 17. adjusting the nut; 18. a rubber layer; 19. a water delivery pipe.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments, and in the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. However, those skilled in the art will recognize that an aspect of the present disclosure may be practiced without one or more of the specific details, or with other methods, components, steps, etc., in which well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the present disclosure.

The utility model provides a gate valve casting as shown in figures 1-5, which comprises a gate valve shell 1, wherein two sides of the inner wall of the gate valve shell 1 are connected with connecting pipes 2 through flanges, the top of the gate valve shell 1 is fixedly connected with a closed cylinder 12, the surface of the gate valve shell 1 is provided with an adjusting groove 3 at the inner position of the closed cylinder 12, the inner part of the adjusting groove 3 is slidably connected with a sealing frame plate 4, the top and the bottom of the inner wall of the gate valve shell 1 are fixedly connected with a limiting frame plate 5, the bottom of the gate valve shell 1 is fixedly connected with a current-limiting ring plate 15, the middle part of the current-limiting ring plate 15 is provided with a passing hole 16, the inner side of the sealing frame plate 4 is attached to the current-limiting ring plate 15, the central axis of the top of the limiting frame plate 5 is rotatably connected with a threaded rod 6, two sides of the top of the closed cylinder 12 are fixedly connected with connecting plates 7, and two tops of the connecting plates 7 are fixedly connected with a fixed block 11 together, the threaded rod 6 penetrates through the sealing cylinder 12 and the fixing block 11, the threaded rod 6 is in threaded connection with through holes on the sealing cylinder 12 and the fixing block 11, the top of the outer side of the threaded rod 6 is connected with a roller 13 through a thread, the outer side of the roller 13 is fixedly connected with a rotary handle 14, the top and the bottom of the roller 13 are respectively provided with an adjusting nut 17, the two adjusting nuts 17 are respectively in threaded connection with the threaded rod 6, the threaded rod 6 drives the sealing frame plate 4 at the bottom of the threaded rod 6 to slide upwards in the adjusting groove 3 while rotating in the fixed block 11, so that the sealing frame plate 4 moves on the flow limiting ring plate 15, finally the through hole 16 is kept smooth, and the stop and the circulation of water flow are conveniently controlled, the initial position of the rotary handle 14 is adjusted by the screw rotation of the roller 13 with the threaded rod 6, and the position of the rotary handle 14 is fixed using the adjusting nut 17, which facilitates the positioning and adjustment of the position of the seal frame plate 4.

Two be provided with fixed subassembly between the connecting plate, fixed subassembly comprises articulated shaft 8, fixed plate 9 and connecting screw 10, two the relative lateral symmetry of connecting plate 7 is equipped with articulated shaft 8, connecting plate 7 articulates through articulated shaft 8 has fixed plate 9, threaded hole has all been seted up at fixed plate 9 both ends, adjacent two threaded hole internal thread connects has connecting screw 10, and upset rotation fixed plate 9 under articulated shaft 8's effect makes fixed plate 9 draw close to 6 outer walls of threaded rod, and the inside of putting into fixed plate 9 with connecting screw 10 fixes the position of fixed plate 9 to cooperation rubber layer 18 is fixed the position of threaded rod 6, is convenient for inject the velocity of flow of the fluid in gate valve casing 1.

The cross section of the fixing plate 9 is in a semicircular ring shape, a rubber layer 18 is fixedly connected to the inner wall of the fixing plate 9, the inner side face of the rubber layer 18 is matched with the outer wall of the threaded rod 6, and the rubber layer 18 can be arranged to be a replacement structure and can be replaced after being damaged.

Two connecting pipe 2 corresponds the inlet port and the outlet port of gate valve casing 1 respectively, connecting pipe 2 female connection has raceway 19, is connected the connecting pipe 2 of water inlet and outlet department with gate valve casing 1 to enter into gate valve casing 1 inside with the water source from the water inlet through raceway 19.

The adjusting groove is matched with the outer wall of the sealing frame plate 4, a sealing buffer layer is arranged on the outer wall of the sealing frame plate 4 and made of rubber materials, and the sealing performance between the sealing frame plate 4 and the flow limiting ring plate 15 is improved.

Spacing framed lamella 5 is made by memory metal material, the quantity of spacing framed lamella 5 sets up to two sets of, and two sets of spacing framed lamella 5 correspond the 3 bottom both sides of adjustment tank respectively, and sealed framed lamella 4 both sides respectively with the spacing framed lamella 5 laminating setting of both sides, spacing framed lamella 5 carries on spacingly to sealed framed lamella 4 in, can effectively centre gripping spacing framed lamella 5 and exert pressure to it, improves the leakproofness between sealed framed lamella 4 and the current-limiting ring board 15.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device is used, firstly, a connecting pipe 2 at a water inlet and a water outlet is connected with a gate valve shell 1 through a flange and is connected with a water conveying pipe 19 to enable a water source to enter the gate valve shell 1 from the water inlet, a rotary handle 14 fixed by an adjusting nut 17 is rotated to enable a threaded rod 6 to ascend and drive a sealing frame plate 4 at the bottom of the threaded rod 6 to slide upwards in an adjusting groove 3, the sealing frame plate 4 moves on a current-limiting ring plate 15, finally a passing hole 16 is kept unblocked, the opening size of the passing hole 16 is controlled, the stopping, the circulation and the flow rate of water flow are conveniently controlled, the initial position of the sealing frame plate 4 is determined when the device is used, two adjusting nuts 17 and a roller 13 are relatively rotated outside the threaded rod 6 to rotate to the position abutted against the top end of a fixing block 11, and the position of the sealing frame plate 4 is conveniently positioned and adjusted, the gate valve can quickly return to the initial position after adjustment, and mechanical abrasion caused by overpressure of parts in the gate valve shell 1 cannot be caused;

referring to the attached drawings 1-5 in the specification, after the position of the sealing frame plate 4 is adjusted, the fixing plate 9 is turned and rotated, the fixing plate 9 is made to approach the outer wall of the threaded rod 6, the connecting screw 10 is placed in the fixing plate 9 to fix the position of the fixing plate 9, and the position of the threaded rod 6 is fixed by matching with the rubber layer 18, so that the position change of the sealing frame plate 4 caused by mistaken touch is avoided, the stability of the sealing frame plate 4 and the threaded rod 6 is improved, and the stable transmission of fluid in the gate valve shell 1 is convenient to limit.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A gate valve casting, includes gate valve casing (1), its characterized in that: the gate valve comprises a gate valve shell (1), a connecting pipe (2) is connected to two sides of the inner wall of the gate valve shell (1) through flanges, a sealing barrel (12) is fixedly connected to the top of the gate valve shell (1), an adjusting groove (3) is formed in the surface of the gate valve shell (1) and located inside the sealing barrel (12), a sealing frame plate (4) is connected to the inner portion of the adjusting groove (3) in a sliding mode, a limiting frame plate (5) is fixedly connected to the top end and the bottom end of the inner wall of the gate valve shell (1), a current limiting ring plate (15) is fixedly connected to the bottom end of the gate valve shell (1), a passing hole (16) is formed in the middle of the current limiting ring plate (15), the inner side of the sealing frame plate (4) is attached to the current limiting ring plate (15), a threaded rod (6) is rotatably connected to the axis of the top of the limiting frame plate (5), and connecting plates (7) are fixedly connected to two sides of the top of the sealing barrel (12), two the common fixedly connected with fixed block (11) in connecting plate (7) top, threaded rod (6) run through a sealed section of thick bamboo (12) and fixed block (11), and threaded rod (6) and the through hole threaded connection on a sealed section of thick bamboo (12) and fixed block (11), threaded rod (6) outside top threaded connection has cylinder (13), cylinder (13) outside fixedly connected with rotation handle (14), cylinder (13) top and bottom all are equipped with adjusting nut (17), two adjusting nut (17) all with threaded rod (6) threaded connection.

2. A gate valve casting according to claim 1 wherein: two be provided with fixed subassembly between the connecting plate, fixed subassembly comprises articulated shaft (8), fixed plate (9) and connecting screw (10), two the relative one side symmetry of connecting plate (7) is equipped with articulated shaft (8), connecting plate (7) articulate through articulated shaft (8) has fixed plate (9), threaded hole has all been seted up at fixed plate (9) both ends, adjacent two threaded hole inside threaded connection has connecting screw (10).

3. A gate valve casting according to claim 2 wherein: the cross-sectional shape of the fixing plate (9) is semicircular, a rubber layer (18) is fixedly connected to the inner wall of the fixing plate (9), and the inner side face of the rubber layer (18) is matched with the outer wall of the threaded rod (6).

4. A gate valve casting according to claim 1 wherein: the two connecting pipes (2) respectively correspond to a water inlet port and a water outlet port of the gate valve shell (1), and the connecting pipes (2) are connected with water conveying pipes (19) in an inner thread mode.

5. A gate valve casting according to claim 1 wherein: the adjusting groove is matched with the outer wall of the sealing frame plate (4), a sealing buffer layer is arranged on the outer wall of the sealing frame plate (4), and the sealing buffer layer is made of rubber materials.

6. A gate valve casting according to claim 1 wherein: spacing framed lamella (5) are made by memory metal material, the quantity of spacing framed lamella (5) sets up to two sets of, and two sets of spacing framed lamella (5) correspond adjustment tank (3) bottom both sides respectively, and sealed framed lamella (4) both sides set up with the spacing framed lamella (5) laminating of both sides respectively.