CN211501725U

CN211501725U - Self-sealing stop valve for power station

Info

Publication number: CN211501725U
Application number: CN201922445367.5U
Authority: CN
Inventors: 张建东; 张丹
Original assignee: Yu Ming Valve Group Co ltd
Current assignee: Yu Ming Valve Group Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-15
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a self sealss stop valve is used in power station, its structure includes the body, the connector, the sealing washer, the ring flange, the sleeve pipe, the apparatus further comprises a rotating shaft, the hand wheel, appearance groove and spheroid, through set up supplementary operative installations at the sleeve pipe top, through pushing down the holding rod, make the gear insert in the tooth's socket, gear and tooth's socket medial surface intermeshing, through having set up supplementary locking device in pivot surface upper end, through clockwise rotation handle, the handle drives the screw spindle and rotates, screw spindle and locking inslot medial surface screw thread transmission, make closed mouth closed gradually, reach the effect that the countershaft carries out locking, this device convenient to use easy operation, effectual solved traditional power station with self sealss stop valve to the relatively poor and traditional problem of power station's locking effect of stop valve self sealss to the pivot of the intermittent type result of valve.

Description

Self-sealing stop valve for power station

Technical Field

The utility model relates to a stop valve technical field, concretely relates to self sealss stop valve is used in power station.

Background

The stop valve is also called stop valve, belong to the forced seal type valve, so when the valve is closed, must exert pressure to the valve clack to the sealed face of forced seal does not leak, when the medium enters the valve from the valve clack below, the resistance that the operating force needs to overcome, it is the thrust produced by the pressure of medium and the frictional force of valve stem and packing, the force of closing the valve is bigger than the power of opening the valve, so the diameter of valve stem is bigger, otherwise can take place the trouble that the valve stem kicks, can use the self-sealing stop valve of power station in the power station construction process.

But the power station is with self sealss stop valve generally all relies on valve bar pressure, make the sealed face of valve clack and the sealed face of disk seat closely laminate, prevent the medium circulation, but traditional power station is with self sealss stop valve is relatively poor to the intermittent type result of use of valve body, lead to non-operator also can use in the use, safety protection is relatively poor, traditional power station is with self sealss stop valve relatively poor to the locking effect of pivot simultaneously, in the use, if not lock the pivot, lead to unexpected the emergence when the rotation takes place for the pivot easily, reduced work efficiency promptly and influenced again and use experience and feel.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the self sealss stop valve is used in power station is provided at present, it is relatively poor to the intermittent type result of use of valve body with the self sealss stop valve to have solved traditional power station, lead to non-operator also can use in the use, safety protection is relatively poor, traditional power station is relatively poor to the locking effect of pivot with the self sealss stop valve simultaneously, in the use, if not locking the pivot, lead to unexpected the emergence when the rotation takes place for the pivot easily, work efficiency has been reduced promptly and the influence is used the problem of experiencing the sense.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a self-sealing stop valve for a power station, which comprises a valve body,

the auxiliary using device is used for performing auxiliary use on the valve body;

the auxiliary locking device is used for locking the rotating shaft;

the connector is used for fixedly mounting with external equipment;

the flange plate is used for fixedly mounting the sleeve;

the sleeve is used for carrying out dustproof protection on the rotating shaft;

the hand wheel is used for driving the rotating shaft to rotate;

furthermore, the sleeve is cylindrical, and a layer of waterproof and anti-oxidation layer is bonded on the outer surface of the sleeve;

furthermore, the diameter of the hand wheel is set to be thirty centimeters, and a layer of anti-skid grains is arranged on the outer surface of the hand wheel.

Further, both ends are provided with the connector around the valve body to the connector is link up with the valve body and constructs, valve body top middle part is provided with the sealing washer, the sealing washer top is provided with the ring flange, ring flange top middle part is provided with the sleeve pipe, the sleeve pipe top is provided with supplementary operative installations, valve body top middle part runs through there is the pivot, pivot surface upper end fifth department is provided with the hand wheel, pivot surface upper end is provided with supplementary locking device, the middle part is provided with the appearance groove in the valve body, it is provided with the spheroid to hold inslot middle part to spheroid and pivot bottom fixed connection.

Further, supplementary operative installations includes fixed plate, connecting piece, fly leaf, mount pad, fixed pin, holding rod, tooth's socket and gear, the inside upper end of fixed plate is provided with the connecting piece, terminal surface middle part swing joint before fly leaf and the mount pad, mount pad and connecting piece bottom fixed connection, the fixed pin runs through in fixed plate right-hand member middle part, holding rod and fly leaf right-hand member fixed connection to the holding rod passes through fixed pin and the inside right-hand member swing joint of fixed plate, the tooth's socket rotates with the inside lower extreme of fixed plate to be connected, the gear rotates with the mount pad bottom to be connected, fixed plate and sleeve pipe top fixed connection.

Further, supplementary locking device includes buckle main part, through-hole, closed mouth, threaded shaft, handle, locking end and locking groove, the embedding of terminal surface middle part has the through-hole before the buckle main part, closed mouthful embedding is in buckle main part right-hand member middle part, threaded shaft installs in buckle main part top right-hand member, handle and threaded shaft surface upper end fixed connection, locking end and threaded shaft bottom fixed connection, the locking groove embedding is in the inside right-hand member of buckle main part, buckle main part and pivot surface upper end swing joint.

Further, the diameter of the gear is set to be 10 cm, and the gear is meshed with the inner side surface of the tooth groove.

Furthermore, the length of the holding rod is set to be 15 cm, and a layer of anti-skid grains is arranged on the outer surface of the holding rod.

Furthermore, the locking groove is internally provided with internal threads and is in threaded connection with the outer surface of the threaded shaft.

Furthermore, the buckle main body is in a cuboid shape, and a waterproof anti-oxidation layer is bonded on the outer surface of the buckle main body.

Furthermore, the fixed plate is made of aluminum alloy.

Further, the valve body is made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) for solving the relatively poor problem of the intermittent type result of use of traditional self sealss stop valve for power station to the valve body, through set up supplementary operative installations at the sleeve pipe top, through pushing down the holding rod, the holding rod drives the fly leaf downstream, the fly leaf drives the mount pad downstream, the mount pad drives the gear downstream, make the gear insert in the tooth's socket, gear and tooth's socket medial surface intermeshing, after that through the hand wheel rotate the pivot can, this device convenient to use easy operation, the effectual relatively poor problem of intermittent type result of use of traditional self sealss stop valve for power station to the valve body of having solved.

2) For solving the relatively poor problem of locking effect of traditional self sealss stop valve for power station to the pivot, through having set up supplementary locking device in pivot surface upper end, through clockwise rotation handle, the handle drives the screw shaft and rotates, screw shaft and locking inslot side screw thread transmission make the closure mouth close gradually, reach the effect that locks to the pivot, this device convenient to use easy operation, effectual solved traditional self sealss stop valve for power station to the relatively poor problem of locking effect of pivot.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic structural view of an auxiliary device according to the present invention;

FIG. 4 is a front view of the auxiliary device of the present invention;

fig. 5 is a schematic structural view of the auxiliary locking device of the present invention;

fig. 6 is a schematic diagram of the formal cross-sectional structure of the auxiliary locking device of the present invention.

In the figure: the novel valve comprises a valve body-1, a connecting port-2, a sealing ring-3, a flange-4, a sleeve-5, an auxiliary using device-6, a rotating shaft-7, a hand wheel-8, an auxiliary locking device-9, a containing groove-10, a ball-11, a fixing plate-61, a connecting piece-62, a movable plate-63, a mounting seat-64, a fixing pin-65, a holding rod-66, a tooth groove-67, a gear-68, a buckle main body-91, a through hole-92, a closed opening-93, a threaded shaft-94, a handle-95, a locking end-96 and a locking groove-97.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a self-sealing stop valve for a power station: comprises a valve body 1 and a valve body, wherein,

the auxiliary use device 6 is used for performing auxiliary use on the valve body 1;

the auxiliary locking device 9 is used for locking the rotating shaft 7;

the connector 2 is used for fixedly mounting with external equipment;

the flange plate 4 is used for fixedly mounting the sleeve 5;

the sleeve 5 is used for carrying out dustproof protection on the rotating shaft 7;

the hand wheel 8 is used for driving the rotating shaft 7 to rotate;

wherein, the sleeve 5 is cylindrical, and a layer of waterproof and anti-oxidation layer is adhered on the outer surface of the sleeve 5;

the diameter of the hand wheel 8 is set to be thirty centimeters, and a layer of anti-skid grains is arranged on the outer surface of the hand wheel 8.

Wherein, both ends are provided with connector 2 around the valve body 1 to connector 2 is link up structure with

valve body

1, 1 top middle part of valve body is provided with sealing

washer

3, 3 tops of sealing washer are provided with

ring flange

4, 4 top middle parts of ring flange are provided with

sleeve pipe

5, 5 tops of sleeve pipe are provided with supplementary

operative installations

6, 1 top middle part of valve body runs through there is

pivot

7, 7 surface upper end fifths of pivot are provided with

hand wheel

8, 7 surface upper ends of pivot are provided with supplementary locking device 9, the middle part is provided with appearance groove 10 in the valve body 1, it is provided with spheroid 11 to hold the middle part in groove 10 to spheroid 11 and 7 bottom fixed connection in pivot.

Wherein the auxiliary using device 6 comprises a fixed plate 61, a connecting piece 62, a movable plate 63, a mounting seat 64, a fixed pin 65, a holding rod 66, a tooth groove 67 and a gear 68, the upper end of the inner part of the fixing plate 61 is provided with a connecting piece 62, which is beneficial to fixing and installing the connecting piece 62, the movable plate 63 is movably connected with the middle part of the front end surface of the mounting seat 64, the mounting seat 64 is fixedly connected with the bottom of the connecting piece 62, which is beneficial to fixedly mounting the mounting seat 64, the fixing pin 65 penetrates through the middle part of the right end of the fixed plate 61, the holding rod 66 is fixedly connected with the right end of the movable plate 63, and the holding rod 66 is movably connected with the right end inside the fixed plate 61 through the fixed pin 65, which is beneficial to fixedly installing the holding rod 66, the tooth groove 67 is rotatably connected with the lower end of the inner part of the fixing plate 61, the gear 68 is rotatably connected with the bottom of the mounting seat 64, and the fixing plate 61 is fixedly connected with the top of the sleeve 5.

Wherein, supplementary locking device 9 includes buckle main part 91, through-hole 92, closed mouth 93, threaded shaft 94, handle 95, locking end 96 and locking groove 97, buckle main part 91 front end face middle part embedding has through-hole 92, closed mouth 93 imbeds in buckle main part 91 right-hand member middle part, threaded shaft 94 installs in buckle main part 91 top right-hand member, is favorable to carrying out fixed mounting to threaded shaft 94, handle 95 and threaded shaft 94 surface upper end fixed connection are favorable to carrying out fixed mounting to handle 95, locking end 96 and threaded shaft 94 bottom fixed connection are favorable to carrying out fixed mounting to locking end 96, locking groove 97 imbeds in the inside right-hand member of buckle main part 91, buckle

main part

91 and 7 surface upper end swing joint of pivot.

Wherein, the diameter of the gear 68 is set to be 10 cm, and the gear 68 is meshed with the inner side surface of the tooth groove 67, so as to achieve better auxiliary use effect.

The length of the holding rod 66 is set to be 15 cm, and a layer of anti-skidding lines are arranged on the outer surface of the holding rod 66, so that the situation that hands slide in the using process is prevented.

Wherein, the inside of the locking groove 97 is provided with an internal thread, and the locking groove 97 is in threaded connection with the outer surface of the threaded shaft 94, so as to achieve a better locking effect.

The buckle main body 91 is cuboid, and a waterproof oxidation-resistant layer is bonded on the outer surface of the buckle main body 91, so that the outer surface of the buckle main body 91 is prevented from rusting or being oxidized and corroded after being used for a long time.

The mounting seat 64 is made of aluminum alloy, and has the advantage of higher corrosion resistance.

Wherein, valve body 1 is stainless steel material, has longer life's advantage.

This patent hand wheel 8 be manually operation's wheel, mainly used digit control machine tool: the numerical control equipment such as a vertical machining center, a horizontal machining center, a gantry machining center and the like has novel appearance, convenient movement, interference resistance and strong loading capacity; the all-plastic shell has high insulating strength and oil pollution prevention sealing design; the device has three magnifications of X1, X10 and X100, and can realize the 4-axis magnification switching; the emergency stop switch has the advantages of selectable control switch and emergency stop switch, humanized design and convenient operation.

The working principle is as follows: firstly, the device is taken out, then a connecting port 2 of the device is connected with an external pipeline through a bolt, the device is provided with a sealing ring 3 for preventing leakage in the using process, a flange plate 4 can well fix a sleeve 5, the sleeve 5 effectively protects a rotating shaft 7, then the holding rod 66 is pressed downwards, the holding rod 66 drives a movable plate 63 to move downwards, the movable plate 63 drives a mounting seat 64 to move downwards, the mounting seat 64 drives a gear 68 to move downwards, the gear 68 is inserted into a tooth socket 67, the gear 68 is meshed with the inner side surface of the tooth socket 67, then a hand wheel 8 is rotated clockwise, the hand wheel 8 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives a ball 11 to rotate in the accommodating groove 10, the through hole of the ball 11 is coincided with the pipeline to achieve the effect of opening the valve body 1, when the rotating shaft 7 needs to be locked, the handle 95 is rotated clockwise, after the device is used, the handle 95 is rotated counterclockwise to drive the threaded shaft 94 to rotate, the threaded shaft 94 and the inner side surface of the locking groove 97 are in threaded transmission, so that the closing port 93 is gradually closed, and the effect of locking the rotating shaft 7 is achieved, when the device is used, the handle 95 is rotated counterclockwise, the threaded shaft 94 is driven by the handle 95 to rotate, the threaded shaft 94 and the inner side surface of the locking groove 97 are in threaded transmission, so that the closing port 93 is gradually opened to restore the movable state of the rotating shaft 7, then the hand wheel 8 is rotated counterclockwise, the hand wheel 8 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the ball 11 to rotate in the accommodating groove 10, the through hole of the ball 11 and the pipeline are staggered to close the valve body 1, then by lifting up the holding rod 66, the holding rod 66 drives the movable plate 63 to move upwards, the movable plate 63 drives the mounting seat 64 to move upwards, the mounting seat 64 drives the gear 68 to move upwards, so that, reach the effect that stops to use this device, this device convenient to use easy operation, effectual solved traditional power station with the poor and traditional power station with the relatively poor problem of locking effect of self sealss stop valve to the pivot of the poor intermittent type result of use of valve body.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a self sealss stop valve is used in power station, includes valve body (1), its characterized in that still includes:

an auxiliary use device (6) for auxiliary use of the valve body (1);

the auxiliary locking device (9) is used for locking the rotating shaft (7);

a connector (2) for fixedly mounting with an external device;

the flange plate (4) is used for fixedly mounting the sleeve (5);

the sleeve (5) is used for performing dustproof protection on the rotating shaft (7);

the hand wheel (8) is used for driving the rotating shaft (7) to rotate;

the sleeve (5) is cylindrical, and a waterproof and anti-oxidation layer is bonded on the outer surface of the sleeve (5);

the diameter of the hand wheel (8) is set to be thirty centimeters, and a layer of anti-skid grains is arranged on the outer surface of the hand wheel (8).

2. The self-sealing stop valve for the power station of claim 1, wherein: both ends are provided with connector (2) around valve body (1) to connector (2) are link up structure with valve body (1), valve body (1) top middle part is provided with sealing washer (3), sealing washer (3) top is provided with ring flange (4), ring flange (4) top middle part is provided with sleeve pipe (5), sleeve pipe (5) top is provided with supplementary operative installations (6), valve body (1) top middle part is run through there is pivot (7), pivot (7) surface upper end fifth department is provided with hand wheel (8), pivot (7) surface upper end is provided with supplementary locking device (9), valve body (1) interior middle part is provided with and holds groove (10), it is provided with spheroid (11) to hold groove (10) interior middle part to spheroid (11) and pivot (7) bottom fixed connection.

3. The self-sealing stop valve for the power station of claim 2, wherein: the auxiliary using device (6) comprises a fixed plate (61), a connecting piece (62), a movable plate (63), a mounting seat (64), a fixed pin (65), a holding rod (66), a tooth groove (67) and a gear (68), the upper end of the inside of the fixed plate (61) is provided with a connecting piece (62), the movable plate (63) is movably connected with the middle part of the front end surface of the mounting seat (64), the mounting seat (64) is fixedly connected with the bottom of the connecting piece (62), the fixing pin (65) penetrates through the middle part of the right end of the fixing plate (61), the holding rod (66) is fixedly connected with the right end of the movable plate (63), and the holding rod (66) is movably connected with the right end inside the fixed plate (61) through a fixed pin (65), tooth's socket (67) and fixed plate (61) inside lower extreme rotate to be connected, gear (68) and mount pad (64) bottom rotate to be connected, fixed plate (61) and sleeve pipe (5) top fixed connection.

4. The self-sealing stop valve for the power station of claim 2, wherein: supplementary locking device (9) are including buckle main part (91), through-hole (92), closed mouth (93), threaded shaft (94), handle (95), locking end (96) and locking groove (97), buckle main part (91) preceding terminal surface middle part embedding has through-hole (92), closed mouth (93) are embedded in buckle main part (91) right-hand member middle part, threaded shaft (94) are installed in buckle main part (91) top right-hand member, handle (95) and threaded shaft (94) surface upper end fixed connection, locking end (96) and threaded shaft (94) bottom fixed connection, locking groove (97) are embedded in the inside right-hand member of buckle main part (91), buckle main part (91) and pivot (7) surface upper end swing joint.

5. The self-sealing stop valve for the power station of claim 3, wherein: the diameter of the gear (68) is set to be 10 cm, and the gear (68) is meshed with the inner side surface of the tooth groove (67).

6. The self-sealing stop valve for the power station of claim 3, wherein: the length of the holding rod (66) is set to be 15 cm, and a layer of anti-skid grains is arranged on the outer surface of the holding rod (66).

7. The self-sealing stop valve for the power station of claim 4, wherein: the locking groove (97) is internally provided with internal threads, and the locking groove (97) is in threaded connection with the outer surface of the threaded shaft (94).

8. The self-sealing stop valve for the power station of claim 4, wherein: the buckle main body (91) is in a cuboid shape, and a layer of waterproof oxidation-resistant layer is bonded on the outer surface of the buckle main body (91).