CN216447441U

CN216447441U - Stop valve capable of reducing friction damage of internal parts

Info

Publication number: CN216447441U
Application number: CN202122822276.6U
Authority: CN
Inventors: 吴四小
Original assignee: Shenyang Hong Da Pipeline Conveying Equipment Co ltd
Current assignee: Shenyang Hong Da Pipeline Conveying Equipment Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-06
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a stop valve capable of reducing friction damage of internal parts, which is provided with a valve body, wherein a water inlet and a water outlet are respectively arranged at two ends of the valve body; the valve rod is provided with a bolt penetrating through the flange plate, the bottom of the valve rod is connected with a valve clack, and a valve seat is fixed in the valve body outside the valve clack; the method comprises the following steps: the lantern ring is sleeved on the outer side of the valve rod, a guide rod is fixed on the side face of the lantern ring, a tooth block is welded at the lower end of the guide rod, and a first gear is movably mounted on the side of the tooth block; and the second gear is movably arranged on the side of the first gear, and a movable shaft penetrates through the inside of the second gear. This can reduce the impaired stop valve of internals friction, can reduce the liquid and strike the friction that produces to the valve body internals at the flow in-process, and then reduced the wearing and tearing of its inside parts to in accommodation process, the particular case that can more audio-visual understanding flow control, be applicable to the liquid of different demands and carry.

Description

Stop valve capable of reducing friction damage of internal parts

Technical Field

The utility model relates to the technical field of stop valves, in particular to a stop valve capable of reducing friction damage of internal parts.

Background

The stop valve is through the inseparable laminating between valve clack and the disk seat, and then realize the valve that blocks rivers, advantages such as easy operation simple to operate have, for example, the publication is CN 209385664U's a anticorrosive stop valve … is through having cup jointed rubber connecting sleeve in valve rod and stop valve case hookup location department, and the inboard bottom sealing connection of second annular gasket and valve gap is passed through on rubber connecting sleeve's top, the bottom is through the bottom sealing connection of first annular gasket and stop valve case, thereby protect valve rod and stop valve case hookup location, prevent that the inside liquid of circulating of stop valve from being infected with the hookup location department at valve rod and stop valve case, and then lead to its corruption, influence the fastening nature that valve rod and stop valve case are connected, influence the sealed effect of valve body simultaneously. However, the corrosion-proof stop valve still has the following disadvantages in the actual use process:

1. because the stop valve conveys liquid for a long time, when the liquid impacts the internal parts of the valve body for a long time, a larger friction force is generated, so that the internal parts of the valve body are abraded, the phenomenon of poor sealing property inside the valve body is caused, and the stop of the fluid is influenced;

2. and traditional stop valve is when adjusting the flow, mostly relies on the resistance after the rotation to judge whether to adjust and accomplish, and the concrete condition that can't audio-visual understanding flow control consequently causes the phenomenon that the regulation precision is poor, is unfavorable for the transport of different demands.

Aiming at the problems, innovative design is urgently needed on the basis of the original stop valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stop valve capable of reducing friction damage of internal parts, and aims to solve the problems that in the background art, when liquid impacts the internal parts of a valve body for a long time, large friction force is generated, and the internal parts are abraded, and whether the traditional stop valve is adjusted or not is judged mostly by resistance after rotation when the flow is adjusted, and the specific condition of flow adjustment cannot be intuitively known.

In order to achieve the purpose, the utility model provides the following technical scheme: a stop valve capable of reducing friction damage of internal parts is provided with a valve body, wherein a water inlet and a water outlet are respectively arranged at two ends of the valve body, and a flange plate is fixed at the top of the valve body;

the valve rod is provided with a bolt penetrating through the flange plate, the bottom of the valve rod is connected with a valve clack, a valve seat is fixed in the valve body outside the valve clack, and a sealing gasket is adhered to the upper surface of the valve seat;

the method comprises the following steps:

the lantern ring is sleeved on the outer side of the valve rod, a guide rod is fixed on the side face of the lantern ring, a protective box is fixed on the valve body on the outer side of the guide rod, a toothed block is welded at the lower end of the guide rod, and a first gear is movably mounted on the side of the toothed block;

the second gear, the activity sets up the avris of first gear, the inside of second gear is run through there is the loose axle, and the one end that the second gear was kept away from to the loose axle is fixed with the pointer to the outside of pointer is provided with the dial.

Preferably, the lower surface of the valve clack is provided with a fixing groove, the fixing groove is matched with the sealing gasket, the distance between the valve clack and the valve seat is larger than the distance between the valve clack and the protection plate, when the valve clack is attached to the valve seat, the matching between the sealing gasket and the fixing groove can be realized, and the sealing performance after fluid is cut is further ensured.

Preferably, the inboard activity of disk seat is provided with the guard plate, and the cross-section of guard plate is the arc structure to seted up fixed chamber on the disk seat in the guard plate outside, in the time of valve clack and disk seat laminating, can promote the guard plate and slide at fixed intracavity, and initial state's guard plate can play the protection to sealed the pad.

Preferably, the guard plate passes through fixed chamber and disk seat and constitutes sliding construction, and one side that the guard plate is close to the disk seat is fixed with reset spring to the guard plate is provided with 4 on the disk seat equidistance, and the guard plate after the removal can contract to fixed intracavity, and can protect sealed the pad by automatic roll-off when the guard plate does not receive thrust.

Preferably, the lantern ring and the valve rod are connected in a rotating mode, the cross section of the guide rod on the lantern ring is of an inverted L-shaped structure, the tooth blocks are distributed on the guide rod at equal intervals, and the guide rod can be driven to lift synchronously through the lantern ring in the lifting process of the valve rod.

Preferably, the guide rod runs through the protection box and is connected with the protection box in a longitudinal sliding mode, the guide rod can run through the interior of the protection box when lifting, and therefore meshing of the gear block and the first gear cannot be affected.

Preferably, first gear and tooth piece and second gear are the meshing connection, and the diameter of second gear is less than the diameter of first gear, and through the lift of tooth piece, the accessible first gear drives the second gear and rotates, and then drives the pointer and rotate the convenience and look over the regulation condition.

Compared with the prior art, the utility model has the beneficial effects that: the stop valve capable of reducing the friction damage of the internal parts can reduce the friction generated by the impact of liquid on the internal parts of the valve body in the flowing process, further reduce the abrasion of the internal parts, can more intuitively know the specific condition of flow regulation in the regulating process, and is suitable for liquid conveying of different requirements;

1. the protection plate is higher than the valve seat, and the protection plates are arranged at equal angles, so that the comprehensive protection of the sealing gasket can be realized, the sealing gasket is made of rubber, the sealing performance can be influenced if the sealing gasket is subjected to large impact abrasion of liquid for a long time, the abrasion can be reduced through the protection of the protection plates, after the valve clack is contacted with the valve seat, the protection plates can be pushed to slide and contract into the fixed cavity, the sealing cannot be influenced, and after the valve clack is separated from the valve seat, the protection plates can be driven to automatically slide out through the resilience of the reset spring;

2. the accessible lantern ring drives guide rod synchronous lifting when the valve rod rotates to go up and down, and through the meshing of tooth piece and first gear, can drive the second gear and rotate like this, and then drive the pointer and rotate, can be clear look over the regulation condition through the different positions on the directional paper dish of pointer, and first gear diameter is greater than the second gear, therefore the lift of guide rod can drive the pointer and rotate by a wide margin.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic front sectional view of the protective case of the present invention;

FIG. 5 is a schematic front sectional view of a valve seat according to the present invention;

fig. 6 is a schematic top view of the valve seat of the present invention.

In the figure: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. a flange plate; 5. a valve stem; 6. a valve flap; 61. fixing grooves; 7. a valve seat; 71. a protection plate; 72. a fixed cavity; 73. a return spring; 8. a gasket; 9. a collar; 10. a guide rod; 11. a protective case; 12. a tooth block; 13. a first gear; 14. a second gear; 15. a movable shaft; 16. a pointer; 17. a dial.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a stop valve capable of reducing friction damage of internal parts is provided with a valve body 1, a water inlet 2 and a water outlet 3 are respectively arranged at two ends of the valve body 1, and a flange plate 4 is fixed at the top of the valve body 1;

the valve rod 5 is provided with a bolt penetrating through the flange plate 4, the bottom of the valve rod 5 is connected with a valve clack 6, a valve seat 7 is fixed in the valve body 1 at the outer side of the valve clack 6, and a sealing gasket 8 is adhered to the upper surface of the valve seat 7;

the method comprises the following steps:

the lantern ring 9 is sleeved on the outer side of the valve rod 5, a guide rod 10 is fixed on the side face of the lantern ring 9, a protective box 11 is fixed on the valve body 1 on the outer side of the guide rod 10, a toothed block 12 is welded at the lower end of the guide rod 10, and a first gear 13 is movably mounted on the side of the toothed block 12;

and a second gear 14 movably disposed at a side of the first gear 13, wherein a movable shaft 15 penetrates the second gear 14, a pointer 16 is fixed at one end of the movable shaft 15 far away from the second gear 14, and a dial 17 is disposed at an outer side of the pointer 16.

The lower surface of the valve clack 6 is provided with a fixing groove 61, the fixing groove 61 is matched with the sealing gasket 8, and the distance between the valve clack 6 and the valve seat 7 is larger than the distance between the valve clack 6 and the protection plate 71; a protection plate 71 is movably arranged on the inner side of the valve seat 7, the section of the protection plate 71 is of an arc-shaped structure, and a fixed cavity 72 is formed in the valve seat 7 on the outer side of the protection plate 71; the protection plate 71 forms a sliding structure through the fixed cavity 72 and the valve seat 7, a return spring 73 is fixed on one side of the protection plate 71 close to the

valve seat

7, and 4 protection plates 71 are arranged on the valve seat 7 at equal angles; as shown in fig. 2 and fig. 5-6, the protection of the sealing gasket 8 can be realized by the protection plate 71, and when the valve flap 6 moves downwards, the protection plate 71 can be contacted with the protection plate 71, so that the protection plate 71 is driven to slide and be accommodated in the fixing cavity 72;

the lantern ring 9 is rotatably connected with the valve rod 5, the section of the guide rod 10 on the lantern ring 9 is of an inverted L-shaped structure, and the tooth blocks 12 are distributed on the guide rod 10 at equal intervals; the guide rod 10 penetrates through the protection box 11 and is in longitudinal sliding connection with the protection box; the first gear 13 is meshed with the gear block 12 and the second gear 14, and the diameter of the second gear 14 is smaller than that of the first gear 13; as shown in fig. 1 and 3-4, when the guide rod 10 descends, the gear block 12 is engaged with the first gear 13 to drive the second gear 14 and the movable shaft 15 to rotate, so that the movable shaft 15 can drive the pointer 16 to rotate.

The working principle is as follows: as shown in fig. 1-6, firstly, a plurality of protection plates 71 are arranged at equal angles on the valve seat 7, so that protection of the sealing gasket 8 can be realized, the sealing gasket 8 is made of rubber, and is worn greatly after being impacted by liquid for a long time, and can ensure sealing performance when being protected, when liquid needs to be cut off, the valve rod 5 is rotated to drive the valve flap 6 to move downwards, the fixed groove 61 is matched with the sealing gasket 8, the sealing performance after cutting off is ensured, the valve flap 6 can be contacted with the protection plates 71 when moving downwards, and the protection plates 71 are further driven to slide in the fixed cavity 72, so that cutting off of fluid cannot be influenced, and meanwhile, after the valve flap 6 is separated from the valve seat 7, the protection plates 71 can be driven to restore to the original position through resilience of the return spring 73, and protection of the sealing gasket 8 is continued;

can drive the synchronous lift of guide bar 10 through lantern ring 9 at valve rod 5 lift in-process, after guide bar 10 descends, through the meshing of cogged block 12 with first gear 13, can drive second gear 14 and loose axle 15 and rotate, loose axle 15 can drive pointer 16 and rotate like this, during the different angles through 16 directional dial 17 of pointer, can be clear look over the adjustment conditions, because the diameter of first gear 13 is greater than the diameter of second gear 14, consequently when guide bar 10 goes up and down, can drive pointer 16 and rotate by a wide margin, convenient observation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A stop valve capable of reducing friction damage of internal parts is provided with a valve body, wherein a water inlet and a water outlet are respectively arranged at two ends of the valve body, and a flange plate is fixed at the top of the valve body;

it is characterized by comprising:

2. A shut-off valve capable of reducing the friction damage of internal parts according to claim 1, wherein: the lower surface of the valve clack is provided with a fixing groove, the fixing groove is matched with the sealing gasket, and the distance between the valve clack and the valve seat is larger than the distance between the valve clack and the protection plate.

3. A shut-off valve capable of reducing the friction damage of internal parts according to claim 2, wherein: the inboard activity of disk seat is provided with the guard plate, and the cross-section of guard plate is the arc structure to seted up fixed chamber on the disk seat in the guard plate outside.

4. A shut-off valve as defined in claim 3, wherein said shut-off valve is adapted to reduce frictional damage to said internal components, said shut-off valve further comprising: the guard plate passes through fixed chamber and disk seat constitution sliding construction, and one side that the guard plate is close to the disk seat is fixed with reset spring to the guard plate is provided with 4 equidistance on the disk seat.

5. A shut-off valve as defined in claim 1, wherein the shut-off valve reduces frictional damage to the internal components, and further comprises: the lantern ring is connected with the valve rod in a rotating mode, the cross section of the guide rod on the lantern ring is of an inverted L-shaped structure, and the tooth blocks are distributed on the guide rod at equal intervals.

6. A shut-off valve as defined in claim 1, wherein the shut-off valve reduces frictional damage to the internal components, and further comprises: the guide rod runs through the arrangement of the protection box, and the guide rod and the protection box are in longitudinal sliding connection.

7. A shut-off valve as defined in claim 1, wherein the shut-off valve reduces frictional damage to the internal components, and further comprises: the first gear, the tooth block and the second gear are in meshed connection, and the diameter of the second gear is smaller than that of the first gear.