CN218670734U - Low-torque wear-resistant ball valve - Google Patents

Low-torque wear-resistant ball valve Download PDF

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Publication number
CN218670734U
CN218670734U CN202223023481.7U CN202223023481U CN218670734U CN 218670734 U CN218670734 U CN 218670734U CN 202223023481 U CN202223023481 U CN 202223023481U CN 218670734 U CN218670734 U CN 218670734U
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China
Prior art keywords
valve
ring
ball
valve body
disk seat
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CN202223023481.7U
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Chinese (zh)
Inventor
贾金光
余忠燕
唐大建
刘伟
蔡文聪
沈梦贤
杜昆明
袁家星
余乐棉
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ZHEJIANG LIANDA VALVE CO Ltd
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ZHEJIANG LIANDA VALVE CO Ltd
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Priority to CN202223023481.7U priority Critical patent/CN218670734U/en
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Abstract

The utility model relates to a low moment of torsion wear-resisting ball valve, including valve body, vice valve body, disk seat and valve ball, the valve body can be dismantled and be connected with vice valve body, swivelling joint has the valve ball between valve body and the vice valve body, and is equipped with the disk seat between valve ball and the vice valve body, still including paining ring and solid lubricant, the disk seat joint has the ring of paining, paint ring butt in the valve ball, and paint the ring and be equipped with the accommodation hole that is the circumference and distributes towards the direction of valve ball, be equipped with solid lubricant in the accommodation hole. The utility model aims to be equipped with the ring of paining that is used for paining solid lubricant in real time between disk seat and valve ball, just can paint solid lubricant when the disk seat is rotatory removal each other with the valve ball, its lubrication action time is long, effectively alleviates the problem of disk seat wearing and tearing, paints the ring simultaneously and can regularly change, saves the maintenance cost, improves ball valve life.

Description

Low-torque wear-resistant ball valve
Technical Field
The utility model relates to a technical field of valve, in particular to low-torque wear-resisting ball valve.
Background
In the process of opening and closing the ball valve, friction is generated between the valve seat of the valve body and the valve ball, so that the surface of the valve seat is abraded, particularly when a conveying medium is non-liquid, such as dry gas or gas-solid two-phase medium, the medium does not have the lubricating effect, the abrasion of the valve seat is more serious, the sealing effect in the ball valve is poor, and even the creeping phenomenon of slow opening and closing actions of the ball valve can occur.
MoS2 is a good solid lubricant, and a layer of MoS2 is attached to a valve seat, so that the problem of ball valve lubrication can be effectively solved, but in the process of spraying the MoS2 on the valve seat, the MoS2 is generally prepared into suspension liquid which is coated on a sealing surface by a method of injecting grease injection holes, so that the suspension liquid is easy to run off, the lubrication effect is only effective in a short time, and the service life of the ball valve is influenced.
Disclosure of Invention
In order to overcome the not enough of background art, the utility model discloses an aim at is equipped with the ring of paining that is used for paining solid lubricant in real time between disk seat and valve ball, just can paint solid lubricant when the disk seat with the mutual rotary motion of valve ball, and its lubrication action time is long, effectively alleviates the problem of disk seat wearing and tearing, paints the ring simultaneously and can regularly change, saves the maintenance cost, improves ball valve life.
The utility model adopts the technical proposal that: the utility model provides a low moment of torsion wear-resisting ball valve, includes valve body, vice valve body, disk seat and valve ball, the valve body can be dismantled and be connected with vice valve body, swivelling joint has the valve ball between valve body and the vice valve body, and is equipped with the disk seat between valve ball and the vice valve body, still including paining ring and solid lubricant, the disk seat joint has paintd the ring, paint ring butt in the valve ball, and paint the ring and be equipped with the accommodation hole that is the circumference and distributes towards the direction of valve ball, be equipped with solid lubricant in the accommodation hole.
By adopting the technical scheme, the smearing ring for smearing the solid lubricant in real time is arranged between the valve seat and the valve ball, so that when the valve seat rotates and moves relative to the valve ball, the solid lubricant in the accommodating hole is smeared on the contact surface between the valve ball and the valve seat, the lubricating action time is long, the problem of abrasion of the valve seat is effectively solved, and the service life of the ball valve is prolonged.
The utility model discloses further set up as, the disk seat is equipped with the carbide layer with the contact surface of valve ball, paint the outside that the ring located the carbide layer.
Furthermore, daub the ring and be equipped with two rings of accommodation holes, and two adjacent rings of accommodation holes are crisscross distribution.
Adopt above-mentioned technical scheme, scribble the ring and locate the outside of carbide layer for solid lubricant flows to the contact surface between disk seat and the valve ball easily, and the accommodation hole is the staggered distribution and scribbles the ring, increases solid lubricant and scribbles the area when satisfying accommodation hole structural strength, improves lubricated effect.
The utility model discloses further set up to, the disk seat is detachable to be connected with the clamping ring, it is equipped with the snap ring corresponding with the clamping ring to paint the ring, paint the ring and pass through the clamping ring joint in the disk seat.
Further, the disk seat is provided with a threaded hole, and the pressure ring is connected to the disk seat through the threaded hole in a threaded manner.
By adopting the technical scheme, the smearing ring can be replaced periodically when the ball valve is maintained, and the smearing ring can be refilled with the solid lubricant for recycling, so that the lubricating effect is kept, the maintenance cost is saved, and the service life of the ball valve is prolonged.
The utility model discloses a further setting up to, be equipped with the dish spring between disk seat and the valve body/the vice valve body, it is equipped with the sealing washer towards the direction of disk seat to paint the ring, paint the ring and pass through the sealing washer butt in the disk seat.
By adopting the technical scheme, the valve seat and the smearing ring are constantly abutted to the contact surface of the valve ball through the disc spring and the sealing ring, so that a gap between the valve seat and the valve ball is avoided, and the sealing effect of the ball valve is improved.
The embodiments of the present invention will be further explained with reference to the drawings.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a partially enlarged view of the view from the direction a in fig. 1 of the present invention;
fig. 3 is a perspective view of the smearing ring of the present invention;
wherein: 1-valve body, 2-auxiliary valve body, 3-valve seat, 4-valve ball, 5-smearing ring, 6-solid lubricant, 7-pressing ring, 8-disc spring, 9-sealing ring, 31-hard alloy layer, 32-threaded hole, 51-accommodating hole and 52-snap ring;
Detailed Description
As shown in fig. 1-3, a low-torque wear-resistant ball valve comprises a valve body 1, an auxiliary valve body 2, a valve seat 3 and a valve ball 4, wherein the valve body 1 is detachably connected with the auxiliary valve body 2, the valve ball 4 is rotatably connected between the valve body 1 and the auxiliary valve body 2, the valve seat 3 is arranged between the valve ball 4 and the valve body 1/the auxiliary valve body 2, the low-torque wear-resistant ball valve further comprises a smearing ring 5 and a solid lubricant 6, the valve seat 3 is connected with the smearing ring 5 in a clamped manner, the smearing ring 5 abuts against the valve ball 4, a containing hole 51 which is circumferentially distributed is formed in the smearing ring 5 in the direction towards the valve ball 4, and the solid lubricant 6 is arranged in the containing hole 51. Be equipped with between disk seat 3 and valve ball 4 and be used for scribbling the ring 5 of scribbling of solid lubricant 6 in real time for disk seat 3 is when rotating movement each other with valve ball 4, and the solid lubricant 6 in the accommodation hole 51 is scribbled on the contact surface between valve ball 4 and disk seat 3, and its lubrication action time is long, effectively alleviates the problem of disk seat 3 wearing and tearing, improves ball valve life.
In this embodiment, the hard alloy layer 31 is provided on the contact surface between the valve seat 3 and the valve ball 4, and the dauber ring 5 is provided outside the hard alloy layer 31. The smearing ring 5 is provided with two circles of receiving holes 51, and two adjacent circles of receiving holes 51 are distributed in a staggered manner. The smearing ring 5 is arranged on the outer side of the hard alloy layer 31, so that the solid lubricant 6 can easily flow to a contact surface between the valve seat 3 and the valve ball 4, the accommodating holes 51 are distributed in the smearing ring 5 in a staggered mode, the structural strength of the accommodating holes 51 is met, meanwhile, the smearing area of the solid lubricant 6 is increased, and the lubricating effect is improved.
In this embodiment, disk seat 3 is detachable to be connected with clamping ring 7, paints ring 5 and is equipped with snap ring 52 corresponding with clamping ring 7, paints ring 5 and passes through clamping ring 7 joint in disk seat 3. The valve seat 3 is provided with a threaded hole 32, and the pressing ring 7 is in threaded connection with the valve seat 3 through the threaded hole 32. The smearing ring 5 can be replaced periodically when the ball valve is maintained, the smearing ring 5 can be filled with the solid lubricant 6 again for recycling, the lubricating effect is kept, the maintenance cost is saved, and the service life of the ball valve is prolonged.
In this embodiment, be equipped with dish spring 8 between disk seat 3 and the 1 vice valve body 2 of valve body, paint ring 5 and be equipped with sealing washer 9 towards the direction of disk seat 3, paint ring 5 and pass through sealing washer 9 butt in disk seat 3. Through dish spring 8, sealing washer 9 with disk seat 3 with scribble ring 5 butt in the contact surface of valve ball 4 constantly, avoid appearing the clearance between disk seat 3 and the valve ball 4, improve the sealed effect of ball valve.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (6)

1. The utility model provides a low moment of torsion wear-resisting ball valve, includes valve body (1), vice valve body (2), disk seat (3) and valve ball (4), valve body (1) can be dismantled and be connected with vice valve body (2), swivelling joint has valve ball (4) between valve body (1) and vice valve body (2), and is equipped with disk seat (3) between valve ball (4) and valve body (1)/vice valve body (2), its characterized in that still including paining ring (5) and solid lubricant (6), disk seat (3) joint has pains ring (5), paint ring (5) butt in valve ball (4), and paint ring (5) and be equipped with accommodation hole (51) that are the circumference and distribute towards the direction of valve ball (4), be equipped with solid lubricant (6) in accommodation hole (51).
2. A low torque, wear resistant ball valve in accordance with claim 1, wherein: a hard alloy layer (31) is arranged on the contact surface of the valve seat (3) and the valve ball (4), and the smearing ring (5) is arranged on the outer side of the hard alloy layer (31).
3. A low torque, wear resistant ball valve in accordance with claim 2, wherein: the smearing ring (5) is provided with two circles of accommodating holes (51), and the two adjacent circles of accommodating holes (51) are distributed in a staggered mode.
4. A low torque, wear resistant ball valve in accordance with claim 1, wherein: disk seat (3) detachable be connected with clamping ring (7), it is equipped with snap ring (52) corresponding with clamping ring (7) to paint ring (5), emollient is paintd and is passed through clamping ring (7) joint in disk seat (3).
5. A low-torque, wear-resistant ball valve in accordance with claim 4, wherein: the valve seat (3) is provided with a threaded hole (32), and the pressing ring (7) is connected to the valve seat (3) through the threaded hole (32) in a threaded mode.
6. A low torque, wear resistant ball valve in accordance with claim 1, wherein: be equipped with dish spring (8) between disk seat (3) and valve body (1)/vice valve body (2), it is equipped with sealing washer (9) to paint ring (5) orientation disk seat (3), it passes through sealing washer (9) butt in disk seat (3) to paint ring (5).
CN202223023481.7U 2022-11-14 2022-11-14 Low-torque wear-resistant ball valve Active CN218670734U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223023481.7U CN218670734U (en) 2022-11-14 2022-11-14 Low-torque wear-resistant ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223023481.7U CN218670734U (en) 2022-11-14 2022-11-14 Low-torque wear-resistant ball valve

Publications (1)

Publication Number Publication Date
CN218670734U true CN218670734U (en) 2023-03-21

Family

ID=85536818

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223023481.7U Active CN218670734U (en) 2022-11-14 2022-11-14 Low-torque wear-resistant ball valve

Country Status (1)

Country Link
CN (1) CN218670734U (en)

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