CN217502650U

CN217502650U - Frictionless ball valve

Info

Publication number: CN217502650U
Application number: CN202221209178.3U
Authority: CN
Inventors: 郭庆锋
Original assignee: Tianjin Binhai New Area Tanggu Chengfan Valve Co ltd
Current assignee: Tianjin Binhai New Area Tanggu Chengfan Valve Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-27
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a frictionless ball valve, which comprises a valve body, a valve plate is arranged in the valve body, the top of the valve plate is fixedly connected with a connecting plate, the connecting plate is provided with a connecting groove, a valve rod is inserted in the connecting groove in a sliding manner, the top end of the valve rod penetrates through the valve body and extends upwards, the outer walls of the two sides of the connecting plate are fixedly connected with supporting plates, a sliding opening is arranged on the supporting plate, a threaded rod is inserted in the sliding opening in a sliding manner, a supporting sleeve is sleeved at one end of the threaded rod in a threaded manner, a screw opening corresponding to the threaded rod is arranged on the inner wall of the supporting sleeve, one end of the supporting sleeve is fixedly connected with a pressing plate, one side of the pressing plate is fixedly connected with a clamping block, this frictionless ball valve can be convenient for carry out the dismouting to the valve rod through the setting of joint subassembly, and is easily changed, need not to dismantle whole ball valve when wearing and tearing appear in the valve rod to reduce use cost.

Description

Frictionless ball valve

Technical Field

The utility model relates to a relevant goods field of ball valve specifically is a frictionless ball valve.

Background

The ball valve opening and closing piece is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

However, the valve rod of the existing manual ball valve is easy to wear after long-term use, the whole valve body structure is often replaced at present, and the manual ball valve is complex, increases the cost and has defectiveness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frictionless ball valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a frictionless ball valve, includes the valve body, be equipped with the valve plate in the valve body, the top fixedly connected with connecting plate of valve plate, be equipped with the spread groove on the connecting plate, it is equipped with the valve rod to slide to insert in the spread groove, the top of valve rod runs through the valve body and upwards extends, equal fixedly connected with backup pad on the both sides outer wall of connecting plate, be equipped with the sliding opening in the backup pad, it is equipped with the threaded rod to slide to insert in the sliding opening, the one end screw thread of threaded rod has cup jointed and has supported the cover, be equipped with the screw socket that corresponds with the threaded rod on supporting the cover inner wall, the one end fixedly connected with who supports the cover supports the clamp plate, support one side fixedly connected with fixture block of clamp plate.

Preferably, the hand wheel is installed to one of valve rod upwards extension serves, the fixedly connected with lantern ring on the hand wheel, a plurality of guide blocks of fixedly connected with on the inside wall of lantern ring, be equipped with a plurality of guide ways that correspond with the guide block on the valve rod, it is a plurality of the guide block all slides and inserts and establish in the guide way.

Preferably, one end of the threaded rod, which is far away from the support sleeve, is fixedly connected with a rotating block, and the outer side wall of the rotating block is provided with anti-skid grains.

Preferably, the fixture blocks are arranged in a rectangular structure.

Preferably, the number of the guide blocks is not less than four, and the adjacent guide blocks are arranged at equal intervals.

Preferably, the outer wall of the connecting plate is provided with a clamping groove corresponding to the clamping block.

Preferably, a telescopic rod is fixedly connected between the two ends of the pressing plate and the supporting plate.

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

this frictionless ball valve can be convenient for carry out the dismouting to the valve rod through the setting of joint subassembly, and is easily changed, need not to dismantle whole ball valve when wearing and tearing appear in the valve rod to reduce use cost.

Drawings

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

fig. 2 is an enlarged view of a portion a of a frictionless ball valve of the present invention;

fig. 3 is a schematic view of a guide block of the frictionless ball valve of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a connecting plate; 4. a valve stem; 5. a support plate; 6. a threaded rod; 7. a support sleeve; 8. pressing the plate; 9. a clamping block; 10. a hand wheel; 11. a collar; 12. a guide block; 13. rotating the block; 14. a telescopic rod.

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. 1-3, the present invention provides an embodiment: a frictionless ball valve comprises a valve body 1, a valve plate 2 is arranged in the valve body 1, a connecting plate 3 is fixedly connected to the top of the valve plate 2, a connecting groove is formed in the connecting plate 3, a valve rod 4 is inserted in the connecting groove in a sliding mode, the top end of the valve rod 4 penetrates through the valve body 1 and extends upwards, supporting plates 5 are fixedly connected to the outer walls of the two sides of the connecting plate 3 respectively, sliding openings are formed in the supporting plates 5, a threaded rod 6 is inserted in the sliding openings in a sliding mode, a supporting sleeve 7 is sleeved at one end of the threaded rod 6 in a threaded mode, a screw opening corresponding to the threaded rod 6 is formed in the inner wall of the supporting sleeve 7, a pressing plate 8 is fixedly connected to one end of the supporting sleeve 7, a clamping block 9 is fixedly connected to one side of the pressing plate 8, specifically, the valve rod 4 of an operation and control valve plate 2 is inserted into the connecting groove in the connecting plate 3 at the top of the valve plate 2, then the threaded rod 6 rotates on the supporting plate 5, the supporting sleeve 7 sleeved on the threaded rod 6 at the time moves under the action of the screw opening to push the pressing plate 8 to move, the pressing plate 8 drives the clamping block 9 to be inserted into the clamping groove in the valve rod 4, and the valve rod 4 and the connecting plate 3 are fixedly installed.

In the embodiment, a hand wheel 10 is installed at one end, extending upwards, of a valve rod 4, a sleeve ring 11 is fixedly connected to the hand wheel 10, a plurality of guide blocks 12 are fixedly connected to the inner side wall of the sleeve ring 11, a plurality of guide grooves corresponding to the guide blocks 12 are formed in the valve rod 4, the guide blocks 12 are all slidably inserted into the guide grooves, and the guide blocks 12 in the sleeve ring 11 are inserted into the guide grooves in the valve rod 4 to achieve assembly of the hand wheel 10; a rotating block 13 is fixedly connected to one end, far away from the supporting sleeve 7, of the threaded rod 6, and anti-skid grains are arranged on the outer side wall of the rotating block 13, so that the threaded rod 6 can be conveniently rotated; a rotating block 13 is fixedly connected to one end, far away from the supporting sleeve 7, of the threaded rod 6, and anti-skid grains are arranged on the outer side wall of the rotating block 13, so that friction force is increased, and the threaded rod 6 is convenient to rotate; the number of the guide blocks 12 is not less than four, and the adjacent guide blocks are arranged at equal intervals; a clamping groove corresponding to the clamping block 9 is arranged on the outer wall of the connecting plate 3; the telescopic rods 14 are fixedly connected between the two ends of the pressing plate 8 and the supporting plate 5, so that the pressing plate 8 is prevented from revolving.

The working principle is as follows: at first in inserting the spread groove on 2 top connecting plates 3 of valve plate through the valve rod 4 that will control valve plate 2, rotate threaded rod 6 rotatory in backup pad 5 afterwards, thereby the screw thread cup joints support cover 7 on threaded rod 6 will take place to remove under the interlock effect of screw socket and promote to support the motion of clamp plate 8 this moment, support clamp plate 8 will drive in the draw-in groove of fixture block 9 insertion on valve rod 4, realize that the installation between valve rod 4 and the connecting plate 3 is fixed.

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. A frictionless ball valve comprises a valve body (1), and is characterized in that: be equipped with valve plate (2) in valve body (1), the top fixedly connected with connecting plate (3) of valve plate (2), be equipped with the spread groove on connecting plate (3), it is equipped with valve rod (4) to slide to insert in the spread groove, the top of valve rod (4) runs through valve body (1) and upwards extends, equal fixedly connected with backup pad (5) on the both sides outer wall of connecting plate (3), be equipped with the sliding opening on backup pad (5), it is equipped with threaded rod (6) to slide to insert in the sliding opening, the one end screw thread of threaded rod (6) has cup jointed support cover (7), be equipped with the screw thread mouth that corresponds with threaded rod (6) on support cover (7) inner wall, the one end fixedly connected with of support cover (7) supports clamp plate (8), support one side fixedly connected with fixture block (9) of clamp plate (8).

2. A frictionless ball valve as claimed in claim 1, wherein: the valve rod (4) upwards extend one serve install hand wheel (10), fixedly connected with lantern ring (11) on hand wheel (10), a plurality of guide block (12) of fixedly connected with on the inside wall of lantern ring (11), be equipped with on valve rod (4) with a plurality of guide way that guide block (12) correspond, it is a plurality of guide block (12) all slide to insert and establish in the guide way.

3. A frictionless ball valve as claimed in claim 1, wherein: one end of the threaded rod (6) far away from the support sleeve (7) is fixedly connected with a rotating block (13), and the outer side wall of the rotating block (13) is provided with anti-skid grains.

4. A frictionless ball valve as claimed in claim 1, wherein: the fixture block (9) is arranged in a rectangular structure.

5. A frictionless ball valve as claimed in claim 2, wherein: the number of the guide blocks (12) is not less than four, and the adjacent guide blocks are arranged at equal intervals.

6. A frictionless ball valve as claimed in claim 1, wherein: and a clamping groove corresponding to the clamping block (9) is arranged on the outer wall of the connecting plate (3).

7. A frictionless ball valve as claimed in claim 1, wherein: and a telescopic rod (14) is fixedly connected between the two ends of the pressing plate (8) and the supporting plate.