CN217301620U

CN217301620U - High leakproofness integral type forging needle valve

Info

Publication number: CN217301620U
Application number: CN202220849422.6U
Authority: CN
Inventors: 徐冬林
Original assignee: Anhui Lingke Automatic Control Equipment Co ltd
Current assignee: Anhui Lingke Automatic Control Equipment Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-26
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a high leakproofness integral type forging needle valve, including the valve body shell, the top of valve body shell is provided with the seal block, the inside of seal block is provided with first valve rod, the inside of the top of valve body shell is provided with the through-hole that matches with first valve rod; the inside symmetry of sealed piece is provided with two sets of bull sticks, and is two sets of the outside of bull stick all is provided with the screw thread, and the inside of sealed piece be provided with the screw hole of this screw thread looks adaptation, relate to the needle valve field. The utility model discloses a through the rubber block, annular slab, guide pillar and the spring that set up, rotate first valve rod, the valve rod passes through half screw thread and the screw thread chamber in the outside and inside downstream in the valve body outside, extrudees the rubber block, drives the guide pillar and moves down, makes to block up the transmission chamber to the piece, and gaseous no longer circulates, rotates first valve rod and moves up, and the rubber block passes through the tension of spring and resets, laminates with the annular slab in the inside of annular slab, realizes sealedly.

Description

High leakproofness integral type forging needle valve

Technical Field

The utility model relates to a needle valve technical field specifically is a high leakproofness integral type forging needle valve.

Background

The needle valve is a fine adjustment valve, mainly used for adjusting gas flow, the fine adjustment valve requires that the opening of a valve port is gradually enlarged, the valve port can be continuously and finely adjusted from closing to opening to the maximum, a valve seat is made of soft materials such as tin and copper, and sealing between the needle valve and the valve seat is achieved by means of tight fit of conical surfaces of the needle valve and the valve seat.

When the commonly used needle valve is used, the valve rod is turned through the handle, the valve needle and the valve seat are closed or opened, the valve rod is usually connected with the inner thread of the valve body, the thread frequently rotates, a ring thread can appear, the sealing effect of the valve body is influenced, and the danger of leakage can be caused in the gas transmission process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a high leakproofness integral type forging needle valve to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high leakproofness integral type forging needle valve includes:

the valve comprises a valve body shell, wherein a sealing block is arranged at the top end of the valve body shell, a first valve rod is arranged inside the sealing block, and a through hole matched with the first valve rod is arranged inside the top end of the valve body shell;

the inside symmetry of sealed piece is provided with two sets of bull sticks, and is two sets of the outside of bull stick all is provided with the screw thread, and the inside of sealed piece be provided with this screw thread looks adaptation screw hole, two sets of the inside rotation that the relative one end of bull stick just is located sealed piece is connected with and links up the piece, the grip block is installed to the opposite side of linking up the piece.

Preferably, first valve rod extends to the inside of valve body shell, the outside of first valve rod and the inside that is located the valve body shell are provided with half screw thread, and the inside of valve body shell is provided with the screw thread chamber, the top of first valve rod and the top that is located the valve body shell install the handle.

Preferably, the bottom of first valve rod and the internally mounted who is located the valve body shell have the second valve rod, the inside of valve body shell is provided with the annular plate, the intermediate position department of annular plate is provided with the rubber block.

Preferably, the bottom of the rubber block is provided with a guide pillar, the bottom of the rubber block, which is located outside the guide pillar, is sleeved with a spring, and the bottom of the guide pillar is provided with a supporting block.

Preferably, one side of the bottom of the valve body shell is provided with a first connecting port, the other side of the bottom of the valve body shell is provided with a second connecting port, and a transmission cavity is arranged in the valve body shell and below the abutting block.

Preferably, two groups of transmission flow channels are symmetrically arranged on two sides of the bottom of the transmission cavity, and the other sides of the two groups of transmission flow channels are respectively communicated with the first connecting port and the second connecting port.

The utility model discloses a high leakproofness integral type forging needle valve, its beneficial effect who possesses as follows:

1. the utility model discloses a through the sealed piece that sets up, rotate the bull stick, can press from both sides the grip block in the outside of first valve rod tightly, the grip block has elasticity, can with the inseparable laminating of first valve rod, when twist grip made the transmission chamber open, can paste the grip block in the outside of first valve rod tightly and can prevent gas leakage, improve holistic leakproofness.

2. The utility model discloses a through the rubber block, annular slab, guide pillar and the spring that set up, rotate first valve rod, the valve rod passes through half screw thread and the screw thread chamber in the outside and inside downstream in the valve body outside, extrudees the rubber block, drives the guide pillar and moves down, makes to block up the transmission chamber to the piece, and gaseous no longer circulates, rotates first valve rod and moves up, and the rubber block passes through the tension of spring and resets, laminates with the annular slab in the inside of annular slab, realizes sealedly.

Drawings

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

FIG. 2 is a top view of the internal structure of the sealing block of the present invention;

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

In the figure: 1. a valve body housing; 2. a sealing block; 201. a rotating rod; 202. a joining block; 203. a clamping block; 3. a first valve stem; 4. a handle; 5. a threaded cavity; 6. a second valve stem; 7. a first connection port; 8. a second connection port; 9. a transmission flow channel; 10. a transfer chamber; 11. an annular plate; 12. a rubber block; 13. a guide post; 14. a spring; 15. and (6) butting against blocks.

Detailed Description

The embodiment of the utility model discloses high leakproofness integral type forging needle valve, as shown in fig. 1-3, include:

the valve body comprises a valve body shell 1, a sealing block 2 is arranged at the top end of the valve body shell 1, a through hole matched with a first valve rod 3 is arranged inside the sealing block 2, a groove matched with a clamping block 203 is arranged inside the through hole, a first valve rod 3 is arranged inside the sealing block 2, a through hole matched with the first valve rod 3 is arranged inside the top end of the valve body shell 1, a second valve rod 6 is arranged at the bottom of the first valve rod 3 and positioned inside the valve body shell 1, an annular plate 11 is arranged inside the valve body shell 1, a rubber block 12 is arranged at the middle position of the annular plate 11, a guide pillar 13 is arranged at the bottom of the rubber block 12, the rubber block 12 is circular, a circular through hole matched with the rubber block 12 is arranged at the middle position of the annular plate 11, the rubber block 12 is attached to the annular plate 11 to realize a sealing effect, a bottom spring 14 arranged outside the guide pillar 13 and positioned on the rubber block 12 is sleeved on the outer side, the bottom of the guide pillar 13 is provided with a supporting block 15, the bottom of the supporting block 15 is trapezoidal, and the shape of the transmission cavity 10 is matched with that of the supporting block 15, so that the supporting block 15 is conveniently attached to the transmission cavity 10, and sealing is realized.

First valve rod 3 extends to the inside of valve body housing 1, and the outside of first valve rod 3 and the inside that is located valve body housing 1 are provided with half a screw thread, and valve body housing 1's inside is provided with threaded cavity 5, and handle 4 is installed on the top of first valve rod 3 and the top that is located valve body housing 1.

A first connecting port 7 is arranged on one side of the bottom of the valve body shell 1, a second connecting port 8 is arranged on the other side of the bottom of the valve body shell 1, a transmission cavity 10 is arranged inside the valve body shell 1 and below the abutting block 15, two groups of transmission flow channels 9 are symmetrically arranged on two sides of the bottom of the transmission cavity 10, and the other sides of the two groups of transmission flow channels 9 are respectively communicated with the first connecting port 7 and the second connecting port 8.

The inside symmetry of sealed piece 2 is provided with two sets of bull sticks 201, the outside of two sets of bull sticks 201 all is provided with the screw thread, and the inside of sealed piece 2 be provided with the screw hole of this screw thread looks adaptation, the one end that two sets of bull sticks 201 are relative just is located the inside rotation of sealed piece 2 and is connected with linking block 202, grip block 203 is installed to linking block 202's opposite side, the one side that grip block 203 is relative is provided with the radian with 3 looks adaptations of first valve rod, and grip block 203 has elasticity, closely laminate with first valve rod 3.

The working principle is as follows: reference is made to fig. 1-3;

the two groups of rotating rods 201 are rotated, the rotating rods 201 drive the clamping block 203 to move in the sealing block 2, so that the clamping block 203 is not attached to the first valve rod 3 any more, the handle 4 is rotated, the handle 4 drives the first valve rod 3 to rotate, the first valve rod 3 rotates in the threaded cavity 5 through the half thread on the outer side, and moves downwards in the valve body shell 1;

the first valve rod 3 moves downwards and simultaneously drives the second valve rod 6 to extrude the rubber block 12, the rubber block 12 extrudes the guide post 13 and also extrudes the spring 14, the guide post 13 moves downwards under the extrusion force, so that the abutting block 15 is attached to the transmission cavity 10, sealing is realized, and gas can not be transmitted through the transmission flow channel 9;

the handle 4 is rotated in the opposite direction to drive the first valve rod 3 to move upwards, the rubber block 12 is reset through the tension of the spring 14 and is attached to the circular through hole in the middle of the annular plate 11, sealing is achieved, and gas is transmitted through the transmission flow channel 9.

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 high leakproofness integral type forging needle valve which characterized in that includes:

the valve body comprises a valve body shell (1), wherein a sealing block (2) is arranged at the top end of the valve body shell (1), a first valve rod (3) is arranged inside the sealing block (2), and a through hole matched with the first valve rod (3) is formed inside the top end of the valve body shell (1);

the inside symmetry of sealed piece (2) is provided with two sets of bull stick (201), and is two sets of the outside of bull stick (201) all is provided with the screw thread, and the inside of sealed piece (2) be provided with the screw hole of this screw thread looks adaptation, two sets of the inside rotation that bull stick (201) is relative one end and be located sealed piece (2) is connected with and links up piece (202), it installs grip block (203) to link up the opposite side of piece (202).

2. The high leakproofness integrated forging needle valve of claim 1, characterized in that: first valve rod (3) extend to the inside of valve body shell (1), the outside of first valve rod (3) and the inside that is located valve body shell (1) are provided with half a screw thread, and the inside of valve body shell (1) is provided with screw thread chamber (5), handle (4) are installed on the top of first valve rod (3) and the top that is located valve body shell (1).

3. The high leakproofness integrated forging needle valve of claim 1, characterized in that: the bottom of first valve rod (3) and the internally mounted who is located valve body shell (1) have second valve rod (6), the inside of valve body shell (1) is provided with annular plate (11), the intermediate position department of annular plate (11) is provided with rubber block (12).

4. The high leakproofness integrated forging needle valve of claim 3, characterized in that: the rubber block is characterized in that a guide post (13) is installed at the bottom of the rubber block (12), a spring (14) is sleeved on the outer side of the guide post (13) and the bottom of the rubber block (12), and a support block (15) is installed at the bottom of the guide post (13).

5. The high leakproofness integrated forging needle valve of claim 1, characterized in that: the valve is characterized in that a first connecting port (7) is formed in one side of the bottom of the valve body shell (1), a second connecting port (8) is formed in the other side of the bottom of the valve body shell (1), and a transmission cavity (10) is formed in the valve body shell (1) and located below the abutting block (15).

6. The high leakproofness integrated forging needle valve of claim 5, characterized in that: two groups of transmission flow channels (9) are symmetrically arranged on two sides of the bottom of the transmission cavity (10), and the other sides of the two groups of transmission flow channels (9) are respectively communicated with the first connecting port (7) and the second connecting port (8).