CN2625670Y

CN2625670Y - Spinning stop valve

Info

Publication number: CN2625670Y
Application number: CN 03213193
Authority: CN
Inventors: 王洪生
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-18
Filing date: 2003-05-18
Publication date: 2004-07-14
Anticipated expiration: 2013-05-18

Abstract

The utility model discloses a rotary extrusion type disconnecting valve technology, solving a technical problem of a valve body leakage. A back end of a transmission shaft38 is fixed on a conical gear37, joggling with a conical gear12 arranged at front end of a driving gear shaft5. A gear arranged on the driving gear shaft5 is joggled with a driven wheel32 connected with a driven wheel shaft1 and a segment gear30 by a transmission. The segment gear30 fixed on a frame cover29 is connected with an active valve plate23. A coupled rod 36 sleeved with a compression spring35 is fixed on the frame cover29 and is connected with a junction panel17. In the valve cavity, a finger16 is connected with the cover frame29 and the active valve plate23. The active valve plate23 is sealed with a static valve plate25, and the active valve plate23 and the static valve plate25 are localized by a location sleeve31. The static valve25 and the active valve23 are connected and limited by a central shaft22. The static valve plate25 and a supporting plate 26 are locked on a valve body24 by a location pin27, which is used for fluid media like water, or oil of 0.01 to 3.7 MPa and for a one hundred thousand switch times without leakage.

Description

The spinning type stop valve

Affiliated technical field

The control gear of the utility model metal conduit flowing medium, particularly a kind of spinning type stop valve that dams of pipeline inner fluid.

Background technique

At present, sealing configuration all adopts extrusion type sealed in the various stop valves, be full of flowing medium in the valve body, make sealing configuration cause foreign material easily and retain, the body movable sealing face moves to the static seal face with the extruding form, can not remove the foreign material on the sealing surface, on the contrary the foreign material extruding is stockpiled, cause the leakage that produces because of poorly sealed, in addition in order to make sealing surface have enough pressure, transmission device need provide powerful external force, causes power consumption bigger.

The model utility content

The utility model purpose is to overcome above technical deficiency, and a kind of valve interior fluid pressure, assorted clearly, leak free spinning type stop valve of switch continuously voluntarily of utilizing is provided.

Task of the present utility model is that a kind of pipeline medium spinning type stop valve has valve body side transmission device, pressure compensator, spinning seal arrangement.Valve body side transmission device, the rear end of transmission shaft is fixed on umbrella gear and the umbrella gear engagement that is installed in the driving gear shaft front end, the middle part of driving gear shaft is installed the O RunddichtringO and is cooperated with the motive sealing of gear lid, the rear end of driving gear shaft is slidingly matched with the pad that is installed in gearcase, the follower that is connected on gear on the driving gear shaft and the follower shaft, tooth sector transmission engagement, be fixed in the gearcase, tooth sector is fixed on the backplate by sunk screw and is connected with moving valve plate, pressure compensator, be fixed on the backplate at suit pressure spring on the continuous motion stem and be connected with connecting plate, connecting plate and valve gap are slidingly matched; The spinning seal arrangement, finger connects backplate and moving valve plate in valve pocket, moving valve plate and fixed valve plate are sealed and matched, fixed valve plate and moving valve plate are located by setting sleeve, fixed valve plate is connected spacing with moving valve plate by central shaft, fixed valve plate is by rubber cushion and valve seal, fixed valve plate and dunnage by the locating stud interlocking on valve body.

On circular backplate in the valve body, moving valve plate, fixed valve plate, the dunnage symmetrical fan-shaped liquid-through hole is set.

The spinning type stop valve has pressure compensator, spinning type seal arrangement, and valve body side transmission device is formed, and has following characteristics:

1, the motive sealing valve block is sealing spinning on the valve block surely, foreign material on cutting under the pressure effect of pressure compensator and fluid and removing sealing surface, reached the clear double effects of mixing and sealing, the sealing pressure of the hydrodynamic pressure compensation moving valve plate in the valve body, energy and labour saving;

2, the spinning power of motive sealing valve block is from the valve body side, follower and tooth sector engagement driving, and tooth sector is fixed on the backplate, forms valve body lateral load transmission, reduces the moving valve plate driving torque, and is low in energy consumption;

3, transmission device adopts mechanical seal structure, does not need packing material, does not have external leakage.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 shows spinning type stop valve sectional drawing.

The left view of Fig. 2 diagrammatic sketch 1.

Fig. 3 shows spinning type stop valve opening structure.

The A-A sectional view of Fig. 4 diagrammatic sketch 3.

Fig. 5 shows spinning type stop valve closing structure.

The B-B sectional view of Fig. 6 diagrammatic sketch 5.

Among the figure, the 1-driven shaft; The 2-antifriction pad; The 3-gearcase; The 4-pad; The 5-driving gear shaft; The 6-O RunddichtringO; The 7-O RunddichtringO; The 8-sunk screw; 9-gear lid; The 10-hexagon head bolt; The 11-Cock screw; The 12-driving bevel gear; The 13-support tube; The 14-O RunddichtringO; The 15-hexagon nut; The 16-finger; The 17-joining plate; The 18-hexagon nut; The 19-sunk screw; The 20-valve gap; The 21-hex head bolt; The 22-central shaft; The 23-moving valve plate; The 24-valve body; The 25-fixed valve plate; The 26-dunnage; The 27-locating stud; The 28-rubber cushion; The 29-backplate; The 30-tooth sector; The 31-setting sleeve; The 32-follower; The flat rubber cushion of 33-; The 34-hex head bolt; The 35-spring; The 36-continuous motion stem; The 37-umbrella gear; The 38-transmission shaft; The 39-supporting sleeve; The 40-big nut; The 41-locking nut; The 42-ring set of feeling relieved; The 43-hex head bolt; The 44-connecting tube; The 45-handwheel

Embodiment

With reference to accompanying drawing 1-2, the spinning type stop valve has valve body side transmission device, pressure compensator, the spinning seal arrangement is formed, handwheel 45 connects the front end of transmission shaft 38, the rear end is connected and fixed umbrella gear 37, be slidingly matched by supporting sleeve 39 and nut 40 crimping centering ring set 42, supporting sleeve 39 is fixed on the support tube 13, support tube 13 is fixed on the gearcase 3 by hex head bolt 10, be fixed on the valve body 24 by hex head bolt 34, the front end of driving gear shaft 5 is installed umbrella gear 12, with umbrella gear 37 engagements, the middle part of gear shaft 5 puts O RunddichtringO 6 and rotates with gear lid 9 and be sealed and matched, gear lid 9 is fixed on the gearcase 3 by sunk screw 8, the rear end of gear shaft 5 is slidingly matched with the pad 4 that is installed on the gearcase 3, follower 32 engagements on gear on the driving gear shaft 5 and the follower shaft 1, follower 32 and tooth sector 30 engagements that are fixed on by sunk screw 19 on the backplate 29.Be fixed on the backplate 29 at suit pressure spring 35 on the continuous motion stem 36 and be connected with connecting plate 17, joining plate 17 is slidingly matched with valve gap 20, and valve gap 20 is fixed on the valve body 24 by hex head bolt 21.Moving valve plate 23 is connected by finger 16 with backplate 29, be sealed and matched with fixed valve plate 23, fixed valve plate 25 and moving valve plate 23 are by setting sleeve 31 location, fixed valve plate 25 is connected by central shaft 22 with moving valve plate 23 and is spacing, 24 sealings of fixed valve plate 25 and rubber cushion 28 and valve body combine, fixed valve plate 25 and dunnage 26 by locating column 27 interlockings on valve body 24.

With reference to accompanying drawing 3-6, during the work of spinning type stop valve, handwheel 45 drives transmission shaft 38 and rotates, drive umbrella gear 12,37 and driving gear shaft 5, driving gear is engaged on the follower 32 that connects on the driven shaft 1, drives tooth sector 30 rotations, drives backplate 29 and moving valve plate 23 spinning on fixed valve plate 25 simultaneously, symmetrical fan-shaped liquid-through hole on moving valve plate 23 and the fixed valve plate 25 is subjected to displacement, produces coincidence or displacement.Liquid-through hole overlaps valve body and opens, and liquid-through hole is shifted then that valve body ends, the rubbing surface dynamic pressure sealing of moving valve plate 23 and fixed valve plate 25, and the rubbing surface of moving valve plate 23 and backplate 29 directly contacts the valve inner fluid, and compensatory pressure strengthens sealing.Spinning type stop valve running parameter:

Be suitable for pressure 0.01-3.7MPa;

Flowing medium water, wet goods fluid;

Inside nominal diameter D50-200mm;

Opening ways is manual, electronic, Wireless remote control;

The continuous switch of access times does not have leakage 100,000 times.

Claims

1, a kind of pipeline medium spinning type stop valve has valve body side transmission device, pressure compensator, and the spinning seal arrangement is characterized in that:

A, valve body side transmission device, the rear end of transmission shaft (38) is fixed on umbrella gear (37) and umbrella gear (12) engagement that is installed in driving gear shaft (5) front end, the middle part of driving gear shaft (5) is installed O RunddichtringO (6) and is cooperated with gear lid (9) motive sealing, the rear end of driving gear shaft (5) is slidingly matched with the pad (4) that is installed in gearcase (3), the follower (32) that is connected on gear on the driving gear shaft (5) and the follower shaft (1), tooth sector (30) transmission engagement, be fixed in the gearcase (3), tooth sector (30) is fixed on backplate (29) by sunk screw (17) and upward is connected with moving valve plate (23);

B, pressure compensator are fixed on backplate (29) at continuous motion stem (36) last installation pressure spring (35) and upward are connected with connecting plate (17), and connecting plate (17) is slidingly matched with valve gap (20);

C, spinning seal arrangement, finger in valve pocket (16) connects backplate (29) and moving valve plate (23), moving valve plate (23) is sealed and matched with fixed valve plate (25), fixed valve plate (25) and moving valve plate (23) are located by setting sleeve (31), fixed valve plate (25) is connected spacing with moving valve plate (23) by central shaft (22), fixed valve plate (25) is by rubber cushion (28) and valve seal, fixed valve plate (25) and dunnage (26) by locating stud (27) interlocking on valve body (24);

2, spinning type stop valve according to claim 1 is characterized in that on the interior circular backplate (9) of valve body (24), moving valve plate (23), fixed valve plate (25), the dunnage (26) symmetrical fan-shaped liquid-through hole being set.