CN221347929U

CN221347929U - Novel double-cage sleeve throttle valve

Info

Publication number: CN221347929U
Application number: CN202323276486.5U
Authority: CN
Inventors: 夏勇; 顾耀飞; 左刘峰; 李燕青
Original assignee: Talon Machinery Suzhou Co ltd
Current assignee: Talon Machinery Suzhou Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-07-16
Anticipated expiration: 2033-12-04

Abstract

The utility model discloses a novel double-cage sleeve valve in the technical field of pipeline valves, which comprises a valve body, wherein flanges A are arranged at the bottom of the valve body and on the outer wall of one side of the valve body, a valve cover is arranged at the top of the valve body, and a valve rod is arranged in the valve cover.

Description

Novel double-cage sleeve throttle valve

Technical Field

The utility model relates to the technical field of pipeline valves, in particular to a novel double-cage sleeve throttle valve.

Background

In an internal combustion engine with a carburetor, the choke valve or choke valve changes the air pressure in the intake manifold, thereby changing the air-fuel ratio into the engine. Choke valves are commonly used in naturally aspirated engines to provide a richer fuel mixture when starting the engine. Most throttle valves in engines are butterfly valves mounted upstream of the carburetor nozzle to create a higher partial vacuum, thereby increasing fuel consumption. In heavy industry or fluid engineering environment, including oil and natural gas production, choke valve or choke valve are the valve of a special design, its fact that the cylinder is placed in another fluting or perforation cylinder is inside, when double-cage sleeve choke valve is usually single pore structure, the condition that the control flow is too big or undersize appears easily, double-cage sleeve choke valve flow control also is comparatively troublesome, the control flow at every turn, need can realize adjusting the processing through the lift cage cover, and then at every operation down, can bring friction phenomenon, the circumstances that the wearing and tearing are serious take place for a long time, simultaneously double-cage sleeve choke valve is when installing and using, pipeline and double-cage sleeve choke valve adopt flange installation fixed and sealing treatment generally, but there is the gap between pipeline and the double-cage sleeve choke valve, under the influence of a long time, sealing washer for sealing appears oxidation, the condition that can't carry out sealing treatment to pipeline and double-cage sleeve choke valve between gap department, and then cause the condition of seepage to take place, double-cage sleeve choke valve's result in the result of use effect and sealing performance, double-cage sleeve choke valve's durability has also been reduced.

It is therefore necessary to develop a new type of double-cage throttle valve.

Disclosure of utility model

The utility model aims to provide a novel double-cage sleeve throttle valve, which is provided with a sleeve and a sealing inner cylinder, wherein the sleeve adopts an inner and outer double-cage sleeve structure and is provided with a plurality of pore channels, so that the control sleeve can realize more accurate treatment on the flow rate, the sleeve is installed to be in a fixed state, the hole site flow rate of the double-cage sleeve is not required to be regulated in a lifting mode, the abrasion condition generated in the lifting process is further reduced, the durability of the double-cage sleeve throttle valve is effectively and greatly improved, a metal gasket is adopted between a valve seat and a valve body and is set to be M-shaped metal sealing, the traditional face sealing is further changed into a linear sealing effect, the sealing effect is improved, the sealing inner cylinder and the sealing gasket are arranged between a connecting pipeline and the valve body to seal gaps between the connecting pipeline and the valve body after the connecting pipeline is installed, the situation that the gaps between the sealing inner cylinder and the sealing gasket are easy to leak is avoided as much as possible, the use effect is effectively improved, the sealing property and the performance are also improved directly for the double-cage sleeve throttle valve, and the poor sealing performance are solved in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel double-cage sleeve throttle valve comprises a valve body, wherein a flange A is arranged at the bottom of the valve body and on the outer wall of one side of the valve body, a valve cover is arranged at the top of the valve body, and a valve rod is arranged in the valve cover;

the top of valve gap is installed the valve gap gland, connecting tube is installed to flange A's one end.

Preferably, the sleeve is installed to the bottom of valve rod, the disk seat is installed to the telescopic bottom, disk seat and sleeve are located the inside of valve body.

Preferably, valve rod packing is arranged in the valve cover gland, the valve rod packing is positioned on the outer wall of the valve rod, and a locking screw is arranged on one side of the top of the valve cover gland.

Preferably, a handle is arranged at the center position above the valve cover gland, and the handle is fixedly arranged at the top end of the outer wall of the valve rod.

Preferably, a flange B is installed at the top end of the connecting pipeline, and the flange B is fixedly connected with the flange A through fastening bolts.

Preferably, the inner part of the connecting pipeline is provided with a sealing inner cylinder, the outer wall of the sealing inner cylinder is in sliding connection with the inner wall of the connecting pipeline, and the center position of the outer wall of the sealing inner cylinder is provided with a sealing gasket.

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

Through being equipped with sleeve and sealed inner tube, take interior and exterior double-cage sleeve structure with the sleeve to offer many pore channels, make control sleeve can realize more accurate handling to the regulation of flow, through being fixed state after installing the sleeve, need not to carry out hole site flow control to the cage through the mode of lift, and then the produced wearing and tearing condition of lift in-process has been reduced, the effectual durability that improves double-cage sleeve throttle valve by a wide margin, through taking metal gasket between disk seat and the valve body, and establish to M type metal seal, and then realize traditional face seal and change into the line seal effect, improve sealed effect, through installing sealed inner tube collocation sealing washer between connecting tube and valve body, make the gap between connecting tube and the valve body take sealing treatment after the connecting tube is installed, the condition that the gap department between the two is easy to leak takes place as far as possible avoided, the effectual use effect to double-cage sleeve throttle valve has also directly improved the leakproofness and durability to double-cage sleeve throttle valve.

Drawings

Fig. 1 is a schematic diagram of an overall structure provided by the present utility model.

In the figure: 1. a valve body; 101. a flange A; 2. a valve cover; 201. a valve stem; 202. a sleeve; 203. a valve seat; 3. a valve cover gland; 301. valve rod filler; 302. a locking screw; 304. a handle; 4. a connecting pipe; 401. a flange B; 402. sealing the inner cylinder; 403. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides the following technical scheme: the utility model provides a novel double-cage throttle valve, can be effectual in the in-process of using improve leakproofness and flow control accuracy to double-cage throttle valve, sleeve 202 and sealed inner tube 402 have been increased, please refer to fig. 1, including valve body 1, flange A101 is all installed to the bottom of valve body 1 and one side outer wall, valve gap 2 is installed at the top of valve body 1, valve stem 201 is installed to the internally mounted of valve gap 2, sleeve 202 is installed to the bottom of valve stem 201, valve seat 203 is installed to the bottom of sleeve 202, valve seat 203 and sleeve 202 are located the inside of valve body 1, take interior and exterior double-cage sleeve structure with sleeve 202, and set up the multiporous pore canal, make control sleeve 202 can realize more accurate handling to the regulation of flow, through being fixed state after installing sleeve 202, need not carrying out hole site flow control to the cage sleeve through the mode of going up and down, and then reduce the wearing and tearing condition that produces in the lift process, effectively improve double-cage throttle valve's durability by adopting metal gasket between valve seat 203 and 1 by a wide margin, and set up into M type metal seal, and then realize traditional face seal and improve sealing effect into line sealing effect;

The valve cover gland 3 is installed at the top of valve cover 2, valve rod packing 301 is installed to the internally mounted of valve cover gland 3, valve rod packing 301 is located on the outer wall of valve rod 201, locking screw 302 is installed to top one side of valve cover gland 3, handle 304 is installed to the top of the outer wall of valve rod 201 in the central position above valve cover gland 3, connecting pipe 4 is installed to flange A101's one end, flange B401 is installed at the top of connecting pipe 4, through fastening bolt fixed connection between flange B401 and flange A101, with connecting pipe 4 being fixed on flange A101 on valve body 1 by flange B401 collocation fastening bolt, thereby reach the installation to connecting pipe 4 and handle, sealing inner tube 402 is installed to the internally mounted of connecting pipe 4, sealing inner tube 402's outer wall and connecting pipe 4 sliding connection, sealing inner tube 402's outer wall central position is provided with sealing washer 403, set up sealing inner tube 402 in the inside connecting pipe 4 and valve body 1 in the mode, and with sealing washer 403 suit in sealing inner tube 402's outer wall central position, make sealing washer 403 install after the installation, then sealing washer 403 position is in flange A101 and flange B401 gap position, thereby the gap is easy to take place to the flange A and flange 401 gap is taken to the gap between the sealing washer 401 and flange 401 gap is avoided to the gap to take place.

Working principle: when the dual-cage throttling valve is used, the sleeve 202 adopts an inner and outer dual-cage sleeve structure and is provided with multiple holes, so that the control sleeve 202 can realize more accurate treatment on flow adjustment, the sleeve 202 is in a fixed state after being installed, the hole site flow adjustment is not needed to be carried out on the cage sleeve in a lifting mode, further, the abrasion condition generated in the lifting process is reduced, the durability of the dual-cage throttling valve is effectively and greatly improved, a metal gasket is adopted between the valve seat 203 and the valve body 1, the metal gasket is arranged to be an M-shaped metal seal, the traditional face seal is further changed into a linear seal effect, the sealing effect is improved, the connecting pipeline 4 is fixed on the flange A101 on the valve body 1 by the flange B401 in a matched fastening bolt, the installation treatment on the connecting pipeline 4 is realized, the sealing gasket 403 is sleeved on the inner wall of the connecting pipeline 4 and the valve body 1 in a sliding mode, the sealing gasket 403 is sleeved on the center position of the outer wall of the sealing inner cylinder 402, the sealing gasket 403 is positioned at the gap between the flange A101 and the flange B401, the sealing gasket 403 is prevented from directly leaking between the flange A101 and the flange B, and the dual-cage throttling valve is prevented from being directly leaked, and the sealing effect is improved.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a novel double cage sleeve throttle valve, includes valve body (1), flange A (101) are all installed to the bottom and one side outer wall of valve body (1), its characterized in that: a valve cover (2) is arranged at the top of the valve body (1), and a valve rod (201) is arranged in the valve cover (2);

The top of valve gap (2) is installed valve gap gland (3), connecting pipe (4) are installed to one end of flange A (101).

2. A novel double-cage valve as claimed in claim 1, wherein: the bottom end of the valve rod (201) is provided with a sleeve (202), the bottom end of the sleeve (202) is provided with a valve seat (203), and the valve seat (203) and the sleeve (202) are positioned in the valve body (1).

3. A novel double-cage valve as claimed in claim 1, wherein: the valve rod packing (301) is arranged in the valve cover gland (3), the valve rod packing (301) is located on the outer wall of the valve rod (201), and a locking screw (302) is arranged on one side of the top of the valve cover gland (3).

4. A novel double-cage valve according to claim 3, characterized in that: a handle (304) is arranged at the center position above the valve cover gland (3), and the handle (304) is fixedly arranged at the top end of the outer wall of the valve rod (201).

5. A novel double-cage valve as claimed in claim 1, wherein: a flange B (401) is arranged at the top end of the connecting pipeline (4), and the flange B (401) is fixedly connected with the flange A (101) through fastening bolts.

6. A novel double-cage valve as claimed in claim 1, wherein: the inner part of the connecting pipeline (4) is provided with a sealing inner cylinder (402), the outer wall of the sealing inner cylinder (402) is in sliding connection with the inner wall of the connecting pipeline (4), and the center position of the outer wall of the sealing inner cylinder (402) is provided with a sealing gasket (403).