CN212251231U

CN212251231U - Long service life's bellows stop valve

Info

Publication number: CN212251231U
Application number: CN202020787508.1U
Authority: CN
Inventors: 杨德权
Original assignee: Anhui Huaxin Electrical Instrument Co ltd
Current assignee: Anhui Huaxin Electrical Instrument Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-29
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a long service life's bellows stop valve, overhaul the shutoff head including the bottom, the connection valve case is installed in the outside of bottom maintenance shutoff head upper end, the shutoff closure plate is installed to the inboard of connection valve case, movable valve rod is installed to the upper end of shutoff closure plate, the elasticity spacing ring is installed in the outside of activity valve rod, the shutoff cover is installed to the up end of elasticity spacing ring, the valve gap casing is installed to the up end of shutoff cover, the valve gap casing passes through sealed pad with the connection valve case and is connected, the shutoff gland is installed to the inboard of valve gap casing, the positioning lock pole is all installed to the inboard at shutoff gland both ends, the positioning lock pole passes through U type connecting rod with the shutoff gland and is connected, the valve rod uide bushing is installed to the top of shutoff gland. The utility model discloses a carry out the operation of damming to the medium, be convenient for guarantee the stability of structure, reduce the number of times and the degree of difficulty of overhauing, and then increase of service life.

Description

Long service life's bellows stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a long service life's bellows stop valve.

Background

With the rapid development of social economy, the application range of the corrugated pipe is wider and wider, the corrugated pipe needs to be plugged and stopped through a stop valve when in use, and the stop valve is also called a stop valve and belongs to a forced sealing type valve, so that pressure must be applied to a valve clack when the valve is closed so as to prevent a sealing surface from leaking. When the medium enters the valve from the lower part of the valve clack, the resistance force which needs to be overcome by the operation force is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod bending can occur.

However, the existing stop valve for the corrugated pipe is inconvenient to overhaul, and the structure is easy to damage, so that the service life is short; therefore, the existing requirements are not met, and a corrugated pipe stop valve with long service life is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's bellows stop valve to the current for the bellows that provides in solving above-mentioned background art stop valve overhauls inconveniently, and the structure is easily harmd, causes the short scheduling problem of life.

In order to achieve the above object, the utility model provides a following technical scheme: a corrugated pipe stop valve with long service life comprises a bottom overhaul plugging head, wherein a connecting valve shell is installed on the outer side of the upper end of the bottom overhaul plugging head, a plugging shutoff plate is installed on the inner side of the connecting valve shell, a movable valve rod is installed on the upper end of the plugging shutoff plate, an elastic limiting ring is installed on the outer side of the movable valve rod, and a plugging sleeve is installed on the upper end face of the elastic limiting ring;

the valve cap casing is installed to the up end of shutoff cover, the valve cap casing passes through sealed the pad with the connection valve casing and is connected, the shutoff gland is installed to the inboard of valve cap casing, the location locking lever is all installed to the inboard at shutoff gland both ends, the location locking lever passes through U type connecting rod with the shutoff gland and is connected, the valve rod uide bushing is installed to the top of shutoff gland, the cover that compresses tightly is installed in the outside of valve rod uide bushing.

Preferably, the upper end of the pressing sleeve is provided with a positioning clamping ring, the outer side of the positioning clamping ring is provided with an operating handle, and the upper end surface of the positioning clamping ring is provided with a top locking block.

Preferably, the inner side of the connecting valve housing is provided with a shutoff groove, the shutoff plate is arranged on the inner side of the shutoff groove, the two sides of the shutoff plate are both provided with clamping grooves, and the bottom end of the movable valve rod extends to the inner side of the clamping groove.

Preferably, the inner side of the upper end of the connecting valve shell is provided with a guide hole, the plugging sleeve is arranged on the inner side of the guide hole, and the elastic limiting ring is fixedly bonded on the inner side of the bottom end of the plugging sleeve.

Preferably, the bottom end of the positioning locking rod is connected with the valve cover shell through a U-shaped connecting rod, and the upper end of the positioning locking rod is fixed on the inner sides of the two ends of the blocking gland through threaded connection.

Preferably, the compressing sleeve is fixed on the inner side of the upper end of the valve cover shell through threaded connection, and the bottom end of the valve rod guide sleeve penetrates through the compressing sleeve and is fixed on the outer side of the movable valve rod through threaded connection.

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

1. the utility model discloses an operating handle drives the location snap ring and rotates, and then drives the valve rod uide bushing and rotate, makes the compressing sleeve can play the effect of direction to the valve rod uide bushing, keeps the valve rod uide bushing can not take place to rock in the rotation process, and then drives the movable valve rod and carries out the regulation of height, makes the movable valve rod can drive the shutoff board and remove, and then carries out the damming operation to the inboard of connecting the valve case;

2. the utility model discloses an upper end of shutoff board can promote the elasticity spacing ring, and the elasticity spacing ring can play spacing and buffering effect to the shutoff board, and convenient to use is convenient for guarantee the structure and prevents the contact collision when long-term the use, causes the structural damage, and accessible bottom is overhauld the shutoff head and is monitored the inboard effect of connecting the valve case, and then reduces and overhauls the number of times and the degree of difficulty, increase of service life.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 3 is a schematic view of the sectional structure of the positioning snap ring of the present invention.

In the figure: 1. a connecting valve housing; 2. a bonnet housing; 3. positioning the locking rod; 4. a U-shaped connecting rod; 5. plugging the gland; 6. an operating handle; 7. a top locking block; 8. a movable valve stem; 9. the bottom overhauls the plugging head; 10. plugging the shutoff plate; 11. an elastic limit ring; 12. plugging the sleeve; 13. a compression sleeve; 14. a valve stem guide sleeve; 15. a gasket; 16. and positioning the snap ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a corrugated pipe stop valve with long service life comprises a bottom overhaul plugging head 9, wherein a connecting valve shell 1 is installed on the outer side of the upper end of the bottom overhaul plugging head 9, a plugging shutoff plate 10 is installed on the inner side of the connecting valve shell 1, a movable valve rod 8 is installed on the upper end of the plugging shutoff plate 10, an elastic limiting ring 11 is installed on the outer side of the movable valve rod 8, a plugging sleeve 12 is installed on the upper end surface of the elastic limiting ring 11, the elastic limiting ring 11 is fixedly bonded on the inner side of the bottom end of the plugging sleeve 12, and the elastic limiting ring 11 can play a role in limiting and buffering the plugging shutoff plate 10, so that the corrugated pipe stop valve is convenient to use and can prevent the structure from contacting and colliding to;

valve gap casing 2 is installed to the up end of shutoff cover 12, valve gap casing 2 passes through sealed pad 15 with connecting valve casing 1 and is connected, shutoff gland 5 is installed to the inboard of valve gap casing 2, location locking lever 3 is all installed to the inboard at shutoff gland 5 both ends, location locking lever 3 passes through U type connecting rod 4 with shutoff gland 5 and is connected, valve rod uide bushing 14 is installed to the top of shutoff gland 5, compress tightly cover 13 is installed in the outside of valve rod uide bushing 14, wholly through carrying out the operation that dams to the medium, be convenient for guarantee the stability of structure, reduce the number of times and the degree of difficulty of overhauing, and then increase of service life.

Further, a positioning clamping ring 16 is installed at the upper end of the pressing sleeve 13, an operating handle 6 is installed on the outer side of the positioning clamping ring 16, and a top locking block 7 is installed on the upper end face of the positioning clamping ring 16, so that the operating handle 6 is connected with a positioning groove formed in the outer side of the positioning clamping ring 16 to drive the positioning clamping ring 16 to rotate.

Further, the inner side of the connecting valve housing 1 is provided with a shutoff groove, the shutoff plate 10 is arranged on the inner side of the shutoff groove, the two sides of the shutoff plate 10 are provided with clamping grooves, and the bottom end of the movable valve rod 8 extends to the inner side of the clamping grooves, so that the movable valve rod 8 can drive the shutoff plate 10 to move, and further the inner side of the connecting valve housing 1 is subjected to shutoff operation.

Furthermore, the inner side of the upper end of the connecting valve shell 1 is provided with a guide hole, the plugging sleeve 12 is arranged on the inner side of the guide hole, the elastic limiting ring 11 is bonded and fixed on the inner side of the bottom end of the plugging sleeve 12, the elastic limiting ring 11 can play a limiting and buffering role on the plugging shutoff plate 10, the use is convenient, and the structure is prevented from being contacted and collided when the structure is used for a long time, so that the structure is damaged.

Further, the bottom of the positioning locking rod 3 is connected with the valve cover shell 2 through a U-shaped connecting rod 4, the upper end of the positioning locking rod 3 is fixed on the inner sides of two ends of the plugging gland 5 through threaded connection, and the sealing performance of the structure can be effectively guaranteed through the plugging gland 5.

Further, compressing tightly cover 13 and fixing the inboard at valve gap casing 2 upper end through threaded connection, the bottom of valve rod uide bushing 14 runs through compressing tightly cover 13 and fixing in the outside of movable valve rod 8 through threaded connection for compressing tightly cover 13 and can playing the effect of direction to valve rod uide bushing 14, keeping valve rod uide bushing 14 can not take place to rock at the rotation in-process.

The working principle is as follows: when in use, whether the functions of all parts are intact is checked, the corrugated pipe is connected with the connecting valve shell 1 through the sealing ring, the operating handle 6 is rotated to enable the operating handle 6 to be connected with a positioning groove arranged on the outer side of the positioning snap ring 16 to drive the positioning snap ring 16 to rotate, the positioning snap ring 16 is welded and fixed on the outer side of the valve rod guide sleeve 14 to further drive the valve rod guide sleeve 14 to rotate, the pressing sleeve 13 is connected with the upper end of the valve cover shell 2 through threads, the pressing sleeve 13 can play a role of guiding the valve rod guide sleeve 14 to keep the valve rod guide sleeve 14 from shaking in the rotating process, the valve rod guide sleeve 14 is fixed on the outer side of the movable valve rod 8 through threads, further the movable valve rod 8 can be driven to carry out height adjustment, the shutoff groove is arranged on the inner side of the connecting valve shell 1, and the shutoff plate 10 is, the two sides of the shutoff board 10 are provided with clamping grooves, the bottom end of the movable valve rod 8 extends to the inner side of the clamping grooves, so that the movable valve rod 8 can drive the shutoff board 10 to move, and further the inner side of the connecting valve shell 1 is subjected to shutoff operation, the inner side of the upper end of the connecting valve shell 1 is provided with a guide hole, the shutoff sleeve 12 is arranged at the inner side of the guide hole, further the upper end of the shutoff board 10 can push the elastic limiting ring 11 when the movable valve rod 8 is subjected to height adjustment, and further the elastic limiting ring 11 can play a limiting and buffering role on the shutoff board 10 when the upper end of the shutoff sleeve 12 is contacted with the valve cover shell 2, so that the shutoff board is convenient to use, the structure is convenient to ensure to prevent contact collision and cause structural damage when the structure is used for a long time, the bottom overhaul shutoff head 9 is arranged at the inner side of the bottom end of the connecting valve shell 1, thereby reducing the maintenance times and difficulty and prolonging the service life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a long service life's bellows stop valve, includes bottom maintenance shutoff head (9), its characterized in that: a connecting valve shell (1) is installed on the outer side of the upper end of the bottom overhaul plugging head (9), a plugging shutoff plate (10) is installed on the inner side of the connecting valve shell (1), a movable valve rod (8) is installed on the upper end of the plugging shutoff plate (10), an elastic limiting ring (11) is installed on the outer side of the movable valve rod (8), and a plugging sleeve (12) is installed on the upper end face of the elastic limiting ring (11);

valve gap casing (2) are installed to the up end of shutoff cover (12), valve gap casing (2) are connected through sealed pad (15) with connecting valve casing (1), shutoff gland (5) are installed to the inboard of valve gap casing (2), positioning locking lever (3) are all installed to the inboard at shutoff gland (5) both ends, positioning locking lever (3) are connected through U type connecting rod (4) with shutoff gland (5), valve rod uide bushing (14) are installed to the top of shutoff gland (5), the outside of valve rod uide bushing (14) is installed and is compressed tightly cover (13).

2. A long-life bellows shut-off valve as defined in claim 1, wherein: the clamping device is characterized in that a positioning clamping ring (16) is installed at the upper end of the pressing sleeve (13), an operating handle (6) is installed on the outer side of the positioning clamping ring (16), and a top locking block (7) is installed on the upper end face of the positioning clamping ring (16).

3. A long-life bellows shut-off valve as defined in claim 1, wherein: the shutoff valve is characterized in that a shutoff groove is formed in the inner side of the connecting valve shell (1), the shutoff plate (10) is arranged on the inner side of the shutoff groove, clamping grooves are formed in two sides of the shutoff plate (10), and the bottom end of the movable valve rod (8) extends to the inner side of the clamping grooves.

4. A long-life bellows shut-off valve as defined in claim 1, wherein: the inner side of the upper end of the connecting valve shell (1) is provided with a guide hole, the plugging sleeve (12) is arranged on the inner side of the guide hole, and the elastic limiting ring (11) is fixedly bonded on the inner side of the bottom end of the plugging sleeve (12).

5. A long-life bellows shut-off valve as defined in claim 1, wherein: the bottom end of the positioning locking rod (3) is connected with the valve cover shell (2) through a U-shaped connecting rod (4), and the upper end of the positioning locking rod (3) is fixed on the inner sides of the two ends of the blocking gland (5) through threaded connection.

6. A long-life bellows shut-off valve as defined in claim 1, wherein: the compressing sleeve (13) is fixed on the inner side of the upper end of the valve cover shell (2) through threaded connection, and the bottom end of the valve rod guide sleeve (14) penetrates through the compressing sleeve (13) and is fixed on the outer side of the movable valve rod (8) through threaded connection.