CN217713851U

CN217713851U - Cut-off valve

Info

Publication number: CN217713851U
Application number: CN202221527313.9U
Authority: CN
Inventors: 武晓峰
Original assignee: Yancheng Qingshan Machinery Manufacturing Co ltd
Current assignee: Yancheng Qingshan Machinery Manufacturing Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-11-01
Anticipated expiration: 2032-06-18

Abstract

The utility model discloses a block valve relates to block valve technical field, include: the valve comprises a valve seat, wherein one side of the valve seat is provided with an inlet end, the other side of the valve seat is provided with an outlet end, a supporting seat is arranged above the valve seat and fixedly connected with the valve seat through bolts, a screw block is fixedly arranged in the middle of the supporting seat, a valve rod is arranged in the screw block through threads, and an opening and closing mechanism is arranged between the valve rod and the valve seat; this application can improve the stability and the leakproofness of opening and shutting control, reduces the probability that gas or liquid take place to reveal, can make the direction of connection of exit end adjust simultaneously.

Description

Cut-off valve

Technical Field

The utility model relates to a block valve technical field, more specifically say, relate to a block valve.

Background

The shut-off valve is also called a closed-circuit valve, and is used for connecting or shutting off a medium in a pipeline, such as a gas pipeline. The cut-off valves include gate valves, stop valves, plug valves, ball valves, butterfly valves, diaphragms, and the like.

The publication number CN204592323U discloses a shut-off valve, includes the butterfly valve unit that two or more concatenations, and every butterfly valve unit includes valve body, valve rod and butterfly plate, the valve body has medium passageway and valve rod passageway, the valve rod passageway perpendicular to the medium passageway, the valve rod is worn to locate the valve rod passageway, the butterfly plate hold in the medium passageway, the butterfly plate link firmly in the valve rod is in order to open/close the medium passageway, the butterfly plate includes main butterfly plate and vice butterfly plate, vice butterfly plate install in the valve rod, main butterfly plate install in vice butterfly plate, main butterfly plate with the clearance setting adjustment pad of vice butterfly plate. The utility model discloses well shut-off valve concatenates by two above butterfly valve units and forms, and the butterfly plate of every butterfly valve unit is formed by main butterfly plate and vice butterfly plate combination, can adjust thickness through the adjustment pad between main butterfly plate and the vice butterfly plate, is favorable to cutting the medium passageway better when shut-off valve closes.

In the shut-off valve mentioned above, there is a problem in use that the shut-off valve is inconvenient to operate and easily causes leakage of gas or liquid when opening and closing control is performed.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a shut-off valve, it can solve shut-off valve when carrying out the open and shut control, inconvenient operation, and lead to gas or liquid to take place the problem of revealing easily.

In order to solve the above problem, the utility model adopts the following technical scheme:

a block valve comprising:

the valve comprises a valve seat, wherein one side of the valve seat is provided with an inlet end, the other side of the valve seat is provided with an outlet end, a supporting seat is arranged above the valve seat, the supporting seat is fixedly connected with the valve seat through a bolt, the middle part of the supporting seat is fixedly provided with a screw block, the internal thread of the screw block is provided with a valve rod, and an opening and closing mechanism is arranged between the valve rod and the valve seat; this application can improve the stability and the leakproofness of opening and shutting control, reduces the probability that gas or liquid take place to reveal, can make the direction of connection of exit end adjust simultaneously.

As a preferred scheme of the utility model, the mechanism that opens and shuts is including fixed the case that sets up in the valve rod bottom, logical groove has been seted up at the middle part of disk seat, the case sets up with leading to between the groove sealed slip and is connected.

As a preferred scheme of the utility model, the upper plate portion of valve rod is the threaded rod, threaded connection between threaded rod and the spiral shell piece, the lower half of valve rod is the slide bar, the disk seat is close to the fixed sealed piece that is provided with of one end of supporting seat, sliding connection between slide bar and the sealed piece.

As an optimized scheme of the utility model, the bilateral symmetry of spiral shell piece is fixed and is provided with the strengthening rib, two the fixed back up seat that is provided with in top of strengthening rib, the valve rod runs through back up seat to and back up threaded connection between the seat.

As an optimized scheme of the utility model, the fixed handle that is provided with in bottom of valve rod, the handle is the annular setting, just the surface parcel of handle has the rubber pad.

As a preferred scheme of the utility model, the fixed cover in outside of exit end is equipped with the stopper, the inside of stopper is provided with the connecting pipe, be provided with coupling mechanism between connecting pipe and the stopper.

As a preferred scheme of the utility model, coupling mechanism sets up the annular piece on the exit end including fixed, the connecting pipe rotates the cover and establishes on the annular piece, just be provided with sealed the pad between annular piece and the connecting pipe, it is equipped with the peripheral hardware bolt to rotate the cover on the connecting pipe, threaded connection between peripheral hardware bolt and the stopper.

Compared with the prior art, the utility model has the advantages of:

(1) In the application, the valve rod is controlled to rotate through the handle, and the valve rod is in threaded connection with the screw block, so that the valve rod drives the valve core to be in sealed sliding connection towards the inside of the through groove, the through groove is controlled to be opened and closed, and the outlet end is controlled to be opened and closed; wherein further improve the stability of valve rod through reinforcing the stationary ladle to improve the leakproofness of disk seat inside through sealed piece.

(2) In the application, the annular block is sleeved in a sliding manner through the connecting pipe, and the sealing gasket is arranged between the connecting pipe and the annular block, so that the connecting pipe and the outlet end have higher sealing performance; wherein make gas or liquid in the exit end directly guide into the connecting pipe through the annular piece, reduce the probability that gas or liquid take place to reveal to fix the connecting pipe through the peripheral hardware bolt.

Drawings

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

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

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is the schematic diagram of the internal structure of the stopper of the present invention.

The reference numbers in the figures illustrate:

1. a valve seat; 2. an inlet end; 3. an outlet end; 4. a supporting seat; 5. a screw block; 6. a valve stem; 61. a threaded rod; 62. a slide bar; 7. an opening and closing mechanism; 71. a valve core; 72. a through groove; 8. a sealing block; 9. reinforcing ribs; 10. a reinforcing seat; 11. a handle; 12. a limiting block; 13. a connecting pipe; 14. a connecting mechanism; 141. a ring block; 142. a gasket; 143. and (5) arranging a bolt.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-4, a shut-off valve includes:

the valve seat comprises a valve seat 1, wherein an inlet end 2 is arranged on one side of the valve seat 1, an outlet end 3 is arranged on the other side of the valve seat 1, a supporting seat 4 is arranged above the valve seat 1, the supporting seat 4 is fixedly connected with the valve seat 1 through a bolt, a screw block 5 is fixedly arranged in the middle of the supporting seat 4, a valve rod 6 is arranged on an internal thread of the screw block 5, and an opening and closing mechanism 7 is arranged between the valve rod 6 and the valve seat 1.

In further embodiment, wholly support this application through disk seat 1 that sets up to be used for admitting air or intaking through the entrance point 2 that sets up, be used for giving vent to anger or go out water through the exit end 3 that sets up, carry out fixed stay to supporting seat 4 through disk seat 1 that sets up, and carry out fixed stay to spiral shell piece 5 through supporting seat 4 that sets up, carry out the screw thread support to valve rod 6 through spiral shell piece 5 that sets up, make valve rod 6 control that opens and shuts to the inside of disk seat 1.

Specifically, the opening and closing mechanism 7 includes a valve core 71 fixedly disposed at the bottom end of the valve rod 6, a through groove 72 is disposed in the middle of the valve seat 1, and the valve core 71 and the through groove 72 are connected in a sealing and sliding manner.

In a further embodiment, the valve rod 6 is fixedly supported by the arranged valve rod 6, the through groove 72 is arranged for communicating the inlet end 2 and the outlet end 3, and the valve core 71 is driven by the arranged valve rod 6 to open and close the through groove 72.

Specifically, the upper plate portion of the valve rod 6 is a threaded rod 61, the threaded rod 61 is in threaded connection with the screw block 5, the lower half portion of the valve rod 6 is a sliding rod 62, a sealing block 8 is fixedly arranged at one end, close to the supporting seat 4, of the valve seat 1, and the sliding rod 62 is in sliding connection with the sealing block 8.

In a further embodiment, the valve rod 6 is composed of a threaded rod 61 and a sliding rod 62, wherein the valve rod 6 can move in position when rotating through the screw block 5, and the valve core 71 is driven to move synchronously, and the sealing performance inside the valve seat 1 can be improved through the sealing sliding connection between the sliding rod 62 and the sealing block 8.

Specifically, reinforcing ribs 9 are symmetrically and fixedly arranged on two sides of the screw block 5, reinforcing bases 10 are fixedly arranged at the tops of the two reinforcing ribs 9, and the valve rod 6 penetrates through the reinforcing bases 10 and is in threaded connection with the reinforcing bases 10.

In a further embodiment, the reinforcing rib 9 is fixedly supported by the arranged screw block 5, and the reinforcing seat 10 is fixedly supported by the arranged reinforcing rib 9, so that the reinforcing seat 10 is used for carrying out threaded support on the valve rod 6, and the stability of the valve rod 6 is improved.

Specifically, the bottom of the valve rod 6 is fixedly provided with a handle 11, the handle 11 is arranged in an annular shape, and a rubber pad is wrapped on the surface of the handle 11.

In a further embodiment, the handle 11 is fixedly supported by the arranged valve rod 6, and the valve rod 6 is controlled to rotate by the arranged handle 11, wherein the comfort of the handle 11 can be improved by the rubber pad on the surface of the handle 11, and meanwhile, the surface of the rubber pad can be engraved with anti-skid lines.

Specifically, the outside fixed cover of exit end 3 is equipped with stopper 12, and the inside of stopper 12 is provided with connecting pipe 13, is provided with coupling mechanism 14 between connecting pipe 13 and stopper 12.

In a further embodiment, carry out fixed stay to stopper 12 through the exit end 3 that sets up to stopper 12 through setting up carries on spacingly to connecting pipe 13, and wherein connecting pipe 13 is the arc setting, can adjust the connection angle of exit end 3, can make disk seat 1 place in the corner.

Specifically, the connecting mechanism 14 includes an annular block 141 fixedly disposed on the outlet end 3, the connecting pipe 13 is rotatably sleeved on the annular block 141, a sealing pad 142 is disposed between the annular block 141 and the connecting pipe 13, an external bolt 143 is rotatably sleeved on the connecting pipe 13, and the external bolt 143 is in threaded connection with the limiting block 12.

In a further embodiment, the valve seat 1 is currently generally placed between two parallel pipes to facilitate connection, but it is inconvenient to install the valve seat 1 at a corner or between two perpendicular pipes, resulting in poor practicality;

wherein carry out fixed support to annular piece 141 through the exit end 3 that sets up, and carry out fixed support to sealed pad 142 through the annular piece 141 that sets up, wherein connecting pipe 13 slides the cover and establishes on annular piece 141, have higher leakproofness, and make gas or liquid in the exit end 3 directly introduce into connecting pipe 13 through annular piece 141, reduce the probability that gas or liquid take place to reveal, connecting pipe 13 through setting up rotates the support to external bolt 143, and carry out the screw thread support to external bolt 143 through the stopper 12 that sets up, thereby fix connecting pipe 13.

The utility model discloses a theory of operation and use flow:

the handle 11 is used for controlling the valve rod 6 to rotate, and the valve rod 6 is in threaded connection with the screw block 5, so that the valve rod 6 drives the valve core 71 to be in sealed sliding connection towards the inside of the through groove 72, the through groove 72 is controlled to be opened and closed, and the outlet end 3 is controlled to be opened and closed; wherein the stability of the valve rod 6 is further increased by the reinforcing seat 10 and the tightness of the interior of the valve seat 1 is increased by the sealing block 8.

The annular block 141 is slidably sleeved through the connecting pipe 13, and the sealing gasket 142 is arranged between the connecting pipe 13 and the annular block 141, so that the connecting pipe 13 and the outlet end 3 have high sealing performance; wherein the gas or liquid in the outlet end 3 can be directly introduced into the connecting pipe 13 through the ring block 141, the probability of leakage of the gas or liquid is reduced, and the connecting pipe 13 is fixed by the external bolt 143.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. A block valve, comprising:

disk seat (1), one side of disk seat (1) is provided with entrance point (2), the opposite side of disk seat (1) is provided with exit end (3), the top of disk seat (1) is provided with supporting seat (4), just through bolt fixed connection between supporting seat (4) and disk seat (1), the fixed spiral shell piece (5) that is provided with in middle part of supporting seat (4), the internal thread of spiral shell piece (5) is provided with valve rod (6), be provided with opening and shutting mechanism (7) between valve rod (6) and disk seat (1).

2. A shut-off valve as defined in claim 1, wherein: the opening and closing mechanism (7) comprises a valve core (71) fixedly arranged at the bottom end of the valve rod (6), a through groove (72) is formed in the middle of the valve seat (1), and the valve core (71) is connected with the through groove (72) in a sealing and sliding mode.

3. A shut-off valve as defined in claim 1, wherein: the upper plate portion of valve rod (6) is threaded rod (61), threaded connection between threaded rod (61) and spiral shell piece (5), the lower half of valve rod (6) is slide bar (62), the one end that disk seat (1) is close to supporting seat (4) is fixed and is provided with sealed piece (8), sliding connection between slide bar (62) and sealed piece (8).

4. A shut-off valve as defined in claim 1, wherein: reinforcing ribs (9) are symmetrically and fixedly arranged on two sides of the screw block (5), reinforcing seats (10) are fixedly arranged at the tops of the reinforcing ribs (9), and the valve rod (6) penetrates through the reinforcing seats (10) and is in threaded connection with the reinforcing seats (10).

5. A shut-off valve as defined in claim 1, wherein: the bottom of the valve rod (6) is fixedly provided with a handle (11), the handle (11) is arranged in an annular shape, and a rubber pad is wrapped on the surface of the handle (11).

6. A shut-off valve as defined in claim 1, wherein: the external fixation cover of exit end (3) is equipped with stopper (12), the inside of stopper (12) is provided with connecting pipe (13), be provided with coupling mechanism (14) between connecting pipe (13) and stopper (12).

7. A shut-off valve as defined in claim 6 wherein: coupling mechanism (14) are including fixed ring block (141) that sets up on exit end (3), connecting pipe (13) are rotated the cover and are established on ring block (141), just be provided with sealed pad (142) between ring block (141) and connecting pipe (13), it is equipped with peripheral hardware bolt (143) to rotate the cover on connecting pipe (13), threaded connection between peripheral hardware bolt (143) and stopper (12).