CN203322307U

CN203322307U - Single-seat pneumatic control valve with guiding sleeve

Info

Publication number: CN203322307U
Application number: CN2013203462906U
Authority: CN
Inventors: 胡相兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-31
Filing date: 2013-05-31
Publication date: 2013-12-04
Anticipated expiration: 2023-05-31

Abstract

The utility model relates to a valve, in particular to a single-seat pneumatic control valve with a guiding sleeve, which mainly solves the technical problems that the valve structure is relatively complex, the manufacturing cost is relatively high, the opening and closing are relatively inconvenient, the service life is relatively short and the like existing in the prior art. The single-seat pneumatic control valve comprises a valve body (1), wherein a left entrance and exit and a right entrance and exit are arranged in the valve body, the left entrance and exit and the right entrance and exit are both arc-shaped passages, the communicated part of the inner ends of the left entrance and exit and the right entrance and exit is provided with a valve seat, the upper end of the valve body is fixedly provided with a lower support, a valve rod is arranged in the valve body and the lower support, the lower end of the valve rod is connected with a valve core capable of blocking the valve seat, the upper end of the lower support is connected with an upper support, the top end of the upper support is provided with an upper shell and a lower shell, a pneumatic film is connected between the upper shell and the lower shell, the guiding sleeve is fixedly arranged between the upper end face of the valve body and the lower support, and a guiding block is connected with the valve rod and is slidably connected into the guiding sleeve.

Description

The Pneumatic single-seat modulating valve of tape guide cover

Technical field

The utility model relates to a kind of valve, especially relates to a kind of Pneumatic single-seat modulating valve of tape guide cover.

Background technique

Valve is controlling component in the pipeline fluid transporting system, and it is for changing path section and media flow direction, has the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.The valve of controlling for fluid, from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are various.Valve can be used for controlling all kinds such as water, steam, oil product, gas, mud, various Korrosionsmedium, liquid metal and radioactive fluid and fluidly flows, the working pressure of valve can be from 0.0013MPa to 1000MPa ultrahigh pressure, operating temperature is from the high temperature of the ultralow temperature to 1430 of-269 ℃ ℃.The control of valve can adopt the multiple kind of drive, as manual, electronic, surge, pneumatic, worm gear, electromagnetic driven, electricity surge, air-or liquid-operated, spur wheel, umbrella gear driving etc.; Can be under the effect of pressure, temperature or other form transducing signal, by predetermined requirement action, valve relies on and drives or automechanism makes it do lifting, slippage, swing or rotation motion, thus the size that changes its Flow area is controlled function to realize it.But existing valve mechanism is comparatively complicated, and manufacture cost is higher, open and close comparatively inconvenience, working life is shorter.

The model utility content

The utility model is to provide the Pneumatic single-seat modulating valve of a kind of tape guide cover, and it is mainly that to solve the existing valve mechanism of prior art comparatively complicated, and manufacture cost is higher, opens and closes comparatively inconvenience, working life shorter grade technical problem.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:

The Pneumatic single-seat modulating valve of tape guide cover of the present utility model, comprise valve body, described valve body is provided with left import and export, right import and export, left import and export and right import and export are all curved channel, the inner connectivity part of left import and export and right import and export is provided with valve seat, the valve body upper end is fixed with lower support frame, valve body, be provided with valve rod in lower support frame, the valve rod lower end is connected with the spool that can stop up valve seat, the lower support frame upper end is connected with upper bracket, the upper bracket top is provided with lower casing, be connected with air bladder between upper lower casing, be fixed with guide sleeve between valve body upper-end surface and lower support frame, be connected with guide pad on valve rod, guide pad is slidably connected in guide sleeve.

As preferably, described upper lower casing is connected with relief opening.

Therefore, valve mechanism of the present utility model is comparatively simple, reasonable, and manufacture cost is lower, and more for convenience, it is comparatively easy to open and close in processing, and working life is higher.

The accompanying drawing explanation

Accompanying drawing 1 is a kind of structural representation of the present utility model.

Embodiment

Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment: the Pneumatic single-seat modulating valve of the tape guide cover that this is routine, as Fig. 1, comprise valve body 1, valve body is provided with left import and export 2, right import and export 3, left import and export and right import and export are all curved channel, the inner connectivity part of left import and export and right import and export is provided with valve seat 4, the valve body upper end is fixed with lower support frame 5, valve body, be provided with valve rod 6 in lower support frame, the valve rod lower end is connected with the spool 7 that can stop up valve seat, the lower support frame upper end is connected with upper bracket 8, the upper bracket top is provided with lower casing 9, be connected with air bladder 10 between upper lower casing, be fixed with guide sleeve 11 between valve body upper-end surface and lower support frame, be connected with guide pad 12 on valve rod, guide pad is slidably connected in guide sleeve.Upper lower casing is connected with relief opening 13.

The foregoing is only specific embodiment of the utility model, but structure characteristic of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification all are encompassed among the scope of the claims of the present utility model.

Claims

1. the Pneumatic single-seat modulating valve of tape guide cover, comprise valve body (1), it is characterized in that described valve body (1) is provided with left import and export (2), right import and export (3), left import and export and right import and export are all curved channel, the inner connectivity part of left import and export and right import and export is provided with valve seat (4), the valve body upper end is fixed with lower support frame (5), valve body, be provided with valve rod (6) in lower support frame, the valve rod lower end is connected with the spool (7) that can stop up valve seat, the lower support frame upper end is connected with upper bracket (8), the upper bracket top is provided with lower casing (9), be connected with air bladder (10) between upper lower casing, be fixed with guide sleeve (11) between valve body upper-end surface and lower support frame, be connected with guide pad (12) on valve rod, guide pad is slidably connected in guide sleeve.

2. the Pneumatic single-seat modulating valve of tape guide cover according to claim 1, is characterized in that described upper lower casing (9) is connected with relief opening (13).