CN217153079U

CN217153079U - High-hardness wear-resistant ball valve

Info

Publication number: CN217153079U
Application number: CN202220525972.2U
Authority: CN
Inventors: 万鹏程
Original assignee: Binhai Liansheng Valve Co ltd
Current assignee: Binhai Liansheng Valve Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-09
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a high-hardness wear-resistant ball valve, which comprises a first pipeline, one side of the first pipeline is fixedly connected with a second pipeline through screws, the inner wall of one end of the first pipeline, which is close to the second pipeline, is provided with a groove, a ball body is connected in the groove in a limiting and sliding way, the middle part of the ball body is provided with a through hole, the arc contour at the top end of the ball body is provided with an inserting groove, a valve rod is connected in the inserting groove in a clamping way, the top end of the valve rod penetrates through the second pipeline and is connected with the second pipeline in a limiting and sliding way, the arc contour of the valve rod, which is close to the top end, is provided with a fixing block in a limiting and rotating way, the fixing block is fixedly connected on the upper surface of the second pipeline through screws, the top end of the valve rod is fixedly connected with a rotating disc, one sides of the first pipeline and the second pipeline, which are close to opposite ends, are provided with clamping grooves, sealing rings are clamped in the clamping grooves, and the sealing structure in the ball valve is enhanced, thereby enhancing the effect of the wear resistance inside the ball valve.

Description

High-hardness wear-resistant ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a wear-resisting ball valve of high rigidity.

Background

The ball valve is a valve in which an opening and closing part (a ball body) is driven by a valve rod and rotates around the axis of the ball valve, and can also be used for regulating and controlling fluid. The ball body in the ball valve is generally matched with a sealing structure to seal water flow in a pipeline, so that the effect of intercepting is achieved. The quality of the sealing structure determines the service life and the sealing effect of the ball valve.

Traditional ball valve exists that seal structure is simple, leads to rivers can be in ball valve seal structure with the tiny granule card that carries in rivers when the ball valve, and the long-time card of granule can lead to the fact wearing and tearing to the ball valve body in the ball valve, and then greatly reduced seal structure is to the sealed effect of ball valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high rigidity wear-resisting ball valve possesses the leakproofness of reinforcing ball valve inner seal structure, and then the inside wearability's of reinforcing ball valve advantage has solved the problem of proposing among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high rigidity wear-resisting ball valve, includes pipeline one, screw fixedly connected with pipeline two is passed through to one side of pipeline one, the one end inner wall that pipeline one is close to pipeline two is seted up flutedly, spacing sliding connection has the spheroid in the recess, the through-hole has been seted up at the spheroid middle part, the slot has been seted up on the spheroidal top arc profile, the joint has the valve rod in the slot, the top of valve rod run through pipeline two and with two spacing sliding connection of pipeline, the valve rod is close to spacing rotation on the arc profile on top and is connected with the fixed block, the fixed block passes through screw fixed connection at the upper surface of pipeline two, the top fixedly connected with carousel of valve rod, pipeline one and pipeline two are close to one side of looks remote site and have all seted up the draw-in groove, the joint has the sealing ring in the draw-in groove.

Preferably, two the arc wall has all been seted up to the opposite side of sealing ring, the joint has sealing washer one and sealing washer two on the inner wall of arc wall respectively, sealing washer one and sealing washer two all with the spacing sliding connection of spheroidal arc profile, two the snap ring has all been cup jointed to the opposite side of sealing ring, two set up the spacing groove one of two symmetries on the arc profile of snap ring, the joint has spacing axle, four in the spacing groove one the equal fixedly connected with spring of one end that spacing axle carried on the back in the spacing groove one, spacing groove two has all been seted up for one side of spacing axle to the draw-in groove inner wall, the spring is carried on the back in one end fixed connection of spacing axle on the inner wall of spacing groove two.

Preferably, an annular groove is formed in the arc-shaped profile of the sealing ring, and a sealing ring III is clamped in the annular groove.

Preferably, the opposite back sides of the two sealing rings are fixedly connected with a plurality of groups of clamping shafts, and the plurality of groups of clamping shafts are connected with the clamping grooves in a penetrating manner and are in limited sliding connection with the clamping grooves.

Preferably, the inner walls of the back end of the first pipeline and the back end of the second pipeline are both provided with threads.

Preferably, the lower surface of the snap ring is provided with an inclined surface, and the inclined surface is positioned on the outer side of the arc-shaped outline of the sphere.

Preferably, the arc profile of valve rod is limited sliding connection and is had the seal cover, seal groove and seal cover and seal groove inner wall fixed connection have been seted up to the one side that the recess inner wall is close to the valve rod.

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

the utility model discloses a pipeline one, the spheroid, the seal cover, the valve rod, the fixed block, pipeline two, a spring, spacing axle, the snap ring, sealing washer one, sealing washer two, sealing washer three, the sealing ring, the arc wall, the slot, the draw-in groove, the ring channel, the seal groove, a groove, the common cooperation of spacing groove one and spacing groove two, the leakproofness of seal structure in the reinforcing ball valve has been reached, and then the effect of the inside wearability of reinforcing ball valve, it is simple to have solved traditional ball valve and have seal structure, lead to rivers can be in ball valve seal structure with the tiny granule card that rivers carried when the ball valve, the long-time card of granule can cause wearing and tearing to the ball valve body in the ball valve, and then greatly reduced seal structure is to the sealed effect of ball valve.

Drawings

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

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of a middle seal ring according to the present invention;

fig. 4 is a schematic structural view of the middle snap ring of the present invention.

In the figure: 1. a first pipeline; 2. a sphere; 3. a sealing sleeve; 4. a valve stem; 5. a turntable; 6. a fixed block; 7. a second pipeline; 8. a spring; 9. a limiting shaft; 10. a snap ring; 11. a first sealing ring; 12. a second sealing ring; 13. a third sealing ring; 14. a seal ring; 15. clamping a shaft; 16. an arc-shaped slot; 17. a slot; 18. a card slot; 19. a thread; 20. an annular groove; 21. a sealing groove; 22. a groove; 23. a first limiting groove; 24. and a second limiting groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a wear-resisting ball valve of high rigidity, including pipeline 1, two 7 of screw fixedly connected with pipeline are passed through to one side of pipeline 1, pipeline 1 is close to the one end inner wall of two 7 of pipeline and has seted up recess 22, spacing sliding connection has spheroid 2 in the recess 22, the through-hole has been seted up at 2 middle parts of spheroid, slot 17 has been seted up on the top arc profile of spheroid 2, the joint has valve rod 4 in the slot 17, the top of valve rod 4 run through pipeline two 7 and with two 7 spacing sliding connection of pipeline, valve rod 4 is close to the arc profile on top and limits the position and rotates and be connected with fixed block 6, fixed block 6 passes through screw fixed connection at the upper surface of pipeline two 7, the top fixedly connected with carousel 5 of valve rod 4, pipeline 1 and pipeline two 7 are close to one side of looks remote site and have all seted up draw-in groove 18, the joint has sealing ring 14 in the draw-in groove 18.

Drive fixed connection's valve rod 4 through carousel 5 and rotate, valve rod 4 carries out the joint through the slot 17 at bottom and 2 tops of spheroid afterwards, and then drives spheroid 2 and rotates, in spheroid 2 pivoted, sealing ring 14 in the draw-in groove 18 carries on spacingly and sealed to spheroid 2, and then when making spheroid 2 rotate in recess 22, reaches the effect of opening and closing of free control ball valve, has strengthened the leakproofness effect of ball valve simultaneously.

Arc wall 16 has all been seted up to two sealing ring 14's opposite side, the joint has sealing washer one 11 and sealing washer two 12 on the inner wall of arc wall 16 respectively, sealing washer one 11 and sealing washer two 12 all with the spacing sliding connection of spheroidal 2 arc profile, snap ring 10 has all been cup jointed to two sealing ring 14's opposite side, the first spacing groove 23 of two symmetries has been seted up on two snap ring 10's the arc profile, the joint has spacing axle 9 in spacing groove 23, four spacing axles 9 carry on the back in the equal fixedly connected with spring 8 of one end of spacing groove one 23, spacing groove two 24 have all been seted up for one side of spacing axle 9 to draw-in groove 18 inner wall, spring 8 carries on the back in one end fixed connection of spacing axle 9 on the inner wall of spacing groove two 24.

Through sealing washer 11 and two 12 joints of sealing washer in arc wall 16, and sealing washer 11 and two 12 and the spacing sliding connection of spheroid 2, thereby reach and carry out abundant sealed effect to spheroid 2, through 8 one end fixed connection of spring in spacing groove two 24, the other end and spacing axle 9 one end fixed connection, when reaching snap ring 10 joint on sealing ring 14, spring 8's elasticity can be with spacing axle 9 release in spacing groove two 24, and insert spacing groove one 23, reach the joint effect to snap ring 10, thereby reach the stability of promotion snap ring 10 in draw-in groove 18, stable connection through snap ring 10 can further strengthen the stability between sealing ring 14 and the draw-in groove 18, finally the sealed effect of ball valve has been promoted.

An annular groove 20 is formed in the arc-shaped profile of the sealing ring 14, and a sealing ring III 13 is clamped in the annular groove 20.

The sealing effect of the sealing ring 14 in the clamping groove 18 can be further improved by arranging the annular groove 20 on the arc-shaped profile of the sealing ring 14 and clamping the sealing ring III 13 through the annular groove 20.

The opposite sides of the two sealing rings 14 are fixedly connected with a plurality of groups of clamping shafts 15, and the plurality of groups of clamping shafts 15 are connected with the clamping grooves 18 in a penetrating manner and are in limited sliding connection with the clamping grooves 18.

Through the card axle 15 through connection draw-in groove 18 and with the spacing sliding connection of draw-in groove 18 of multiunit fixed connection on the sealing ring 14 surface, can reach and prevent under the impact of rivers, the problem that the aversion takes place for sealing ring 14, and then promotes the stability effect of sealing ring 14 in draw-in groove 18.

The inner walls of the opposite ends of the first pipeline 1 and the second pipeline 7 are both provided with threads 19.

Through set up screw thread 19 at pipeline one 1 and pipeline two 7 back of the body end inner wall, can reach the effect that makes things convenient for personnel to carry out the spiro union with external pipeline with pipeline one 1 and pipeline two 7.

The lower surface of the snap ring 10 is provided with an inclined surface which is positioned outside the arc-shaped contour of the ball 2.

Through establishing the lower surface of snap ring 10 as the inclined plane, can reach and make things convenient for snap ring 10 to carry out the free rotation's under the circumstances that does not influence spheroid 2, reduce the space that rivers flowed in from sealing washer one 11 and two 12 sealing washers, and then when sealing washer one 11 and two 12 sealing washers damaged, also can play the effect of reducing the through-flow velocity of water flow.

The limiting sliding connection has a sealing sleeve 3 on the arc profile of the valve rod 4, and a sealing groove 21 and a sealing sleeve 3 are fixedly connected with the inner wall of the sealing groove 21 are arranged on one side of the inner wall of the groove 22 close to the valve rod 4.

Carry out spacing sliding connection through seal cover 3 and valve rod 4, can reach the leakproofness effect between promotion valve rod 4 and pipeline 1.

The working principle is as follows: this wear-resisting ball valve of high rigidity is when using, drive fixed connection's valve rod 4 through carousel 5 and rotate, valve rod 4 carries out the joint through the slot 17 at bottom and 2 tops of spheroid afterwards, and then drive spheroid 2 and rotate, in spheroid 2 pivoted, sealing ring 14 in the draw-in groove 18 carries on spacingly and sealed to spheroid 2, and then when making spheroid 2 rotate in recess 22, reach the effect of opening and closing of free control ball valve, carry out spacing sliding connection through seal cover 3 and valve rod 4, can reach the leakproofness effect between promotion valve rod 4 and pipeline 1, the leakproofness effect of ball valve has been strengthened simultaneously.

The sealing ring I11 and the sealing ring II 12 are clamped in the arc-shaped groove 16, the sealing ring I11 and the sealing ring II 12 are in limit sliding connection with the ball body 2, so that the effect of fully sealing the ball body 2 is achieved, the annular groove 20 is formed in the arc-shaped outline of the sealing ring 14, the sealing ring III 13 is clamped in the annular groove 20, the sealing effect of the sealing ring 14 in the clamping groove 18 can be further improved, one end of the spring 8 is fixedly connected in the limit groove II 24, the other end of the spring is fixedly connected with one end of the limit shaft 9, when the clamping ring 10 is clamped on the sealing ring 14, the limit shaft 9 is pushed out of the limit groove II 24 by the elastic force of the spring 8 and is inserted into the limit groove I23, the clamping effect on the clamping ring 10 is achieved, the stability of the clamping ring 10 in the clamping groove 18 is improved, and the stability between the sealing ring 14 and the clamping groove 18 can be further enhanced by the stable connection of the clamping ring 10, finally, the sealing effect of the ball valve is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wear-resisting ball valve of high rigidity, includes pipeline one (1), its characterized in that: one side of the first pipeline (1) is fixedly connected with a second pipeline (7) through a screw, a groove (22) is formed in the inner wall of one end, close to the second pipeline (7), of the first pipeline (1), a ball body (2) is connected in the groove (22) in a limiting and sliding mode, a through hole is formed in the middle of the ball body (2), a slot (17) is formed in the arc-shaped outline of the top end of the ball body (2), a valve rod (4) is connected in the slot (17) in a clamping mode, the top end of the valve rod (4) penetrates through the second pipeline (7) and is connected with the second pipeline (7) in a limiting and sliding mode, a fixing block (6) is connected on the arc-shaped outline of the top end of the valve rod (4) in a limiting and rotating mode, the fixing block (6) is fixedly connected to the upper surface of the second pipeline (7) through a screw, a rotary disc (5) is fixedly connected to the top end of the valve rod (4), and clamping grooves (18) are formed in one sides, close to opposite ends of the first pipeline (1) and the second pipeline (7), and a sealing ring (14) is clamped in the clamping groove (18).

2. A high-hardness wear-resistant ball valve according to claim 1, wherein: arc-shaped grooves (16) are respectively formed in the opposite sides of the two sealing rings (14), a first sealing ring (11) and a second sealing ring (12) are respectively clamped on the inner walls of the arc-shaped grooves (16), the first sealing ring (11) and the second sealing ring (12) are in limit sliding connection with the arc-shaped profile of the ball body (2), the opposite sides of the two sealing rings (14) are respectively sleeved with a clamping ring (10), the arc-shaped profiles of the two clamping rings (10) are provided with two symmetrical first limit grooves (23), a limiting shaft (9) is clamped in the first limiting groove (23), springs (8) are fixedly connected at one ends of the four limiting shafts (9) opposite to the first limiting groove (23), a second limit groove (24) is arranged on one side of the inner wall of the clamp groove (18) corresponding to the limit shaft (9), one end of the spring (8) back to the limiting shaft (9) is fixedly connected to the inner wall of the second limiting groove (24).

3. A high-hardness wear-resistant ball valve according to claim 2, wherein: an annular groove (20) is formed in the arc-shaped profile of the sealing ring (14), and a sealing ring III (13) is clamped in the annular groove (20).

4. A high-hardness wear-resistant ball valve according to claim 2, wherein: the reverse sides of the two sealing rings (14) are fixedly connected with a plurality of groups of clamping shafts (15), and the clamping shafts (15) penetrate through the clamping grooves (18) and are in limited sliding connection with the clamping grooves (18).

5. A high-hardness wear-resistant ball valve according to claim 1, wherein: the inner walls of the back ends of the first pipeline (1) and the second pipeline (7) are provided with threads (19).

6. A high-hardness wear-resistant ball valve according to claim 2, wherein: the lower surface of the clamping ring (10) is an inclined surface, and the inclined surface is positioned on the outer side of the arc-shaped outline of the sphere (2).

7. A high-hardness wear-resistant ball valve according to claim 1, wherein: spacing sliding connection has seal cover (3) on the arc profile of valve rod (4), seal groove (21) and seal cover (3) and seal groove (21) inner wall fixed connection have been seted up to one side that recess (22) inner wall is close to valve rod (4).