CN212616479U

CN212616479U - Ball valve rod structure

Info

Publication number: CN212616479U
Application number: CN202021227958.1U
Authority: CN
Inventors: 王金权
Original assignee: Anhui Luosen Intelligent Technology Co Ltd
Current assignee: Anhui Luosen Intelligent Technology Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-26
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a ball valve rod structure, including the connecting block, the limiting block mouth has been seted up to the connecting block bottom, the connecting block top has been seted up and has been twisted the pole mouth, connecting block inner chamber is located limiting block mouth top card and is equipped with the cross screw rod, the connecting block top is provided with rotatory piece, the welding of rotatory piece bottom has the retainer plate, the connecting block bottom is located limiting block mouth peripheral welding and has an extension section of thick bamboo, spacing hole has evenly been seted up from top to bottom to extension section of thick bamboo surface both sides bottom, extension section of thick bamboo bottom cover is equipped with the extension rod, the extension rod top corresponds the cross screw rod position and has seted up the location screw hole, extension rod surface both sides are located location screw hole bottom and have seted up the ball groove, it is equipped with the ball to correspond spacing. The utility model discloses sealed effectual, can realize prolonging the body of rod so that adjust according to the spheroid from the control valve distance, be fit for being extensively promoted and used.

Description

Ball valve rod structure

Technical Field

The utility model relates to a ball valve technical field, in particular to ball valve rod structure.

Background

The ball valve is a valve whose opening and closing piece (ball body) is driven by valve rod and can make rotary motion around the axis of ball valve, and can be used for regulating and controlling fluid, however, at present, the valve rod for regulating and linking ball valve is generally in fixed length, and can only be used for mounting and using correspondent ball valve, and because the valve rod is aged for long-term use, it can be changed, and the matching and regulating property of valve rod can be greatly reduced.

Patent No. CN201720134474.4, an environment-friendly ball valve rod installed in valve, includes the body of rod, and the annular recess at the middle part of the body of rod falls into the body of rod and the lower body of rod that the diameter homogeneous phase equals with the body of rod, is equipped with the mount table on the top face of the body of rod of going up, and the diameter of mount table is greater than the maximum diameter of the body of rod of going up.

This install in environment-friendly ball valve rod in valve has following drawback: 1. the ball valve rod of the application lacks a related extension mechanism, so that the replacement matching adjustability is greatly reduced; 2. the valve rod of the ball valve is lack of a related clamping mechanism, so that the switching quality of the mechanism is greatly reduced; to this end, we propose a ball valve stem structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a ball valve rod structure can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ball valve rod structure comprises a connecting block, wherein a limiting block opening is formed in the bottom of the connecting block, a screw rod opening is formed in the top of the connecting block, a cross screw rod is clamped in the inner cavity of the connecting block at the top of the limiting block port, a rotating block is arranged at the top of the connecting block, the bottom of the rotating block is welded with a fixed ring, the bottom of the connecting block is positioned at the periphery of the limiting block port and is welded with an extension cylinder, limiting holes are uniformly formed in the bottoms of the two sides of the surface of the extension cylinder from top to bottom, an extension rod is sleeved at the bottom of the extension cylinder, the top of the extension rod is provided with a positioning threaded hole corresponding to the cross screw, the two sides of the surface of the extension rod are provided with ball grooves at the bottom of the positioning threaded hole, the extension rod and the extension cylinder are provided with balls corresponding to the limiting holes and the ball groove in a clamped mode, the top of an inner cavity of the extension rod is connected with a spring through a bolt, and two sides of the spring corresponding to the ball groove are connected with extrusion blocks through bolts.

Furthermore, the outer surface of the rotating block is adhered with a wear-resistant rubber sleeve.

Furthermore, the bottom of the connecting block is positioned at the periphery of the extension cylinder and is provided with a sealing ring in an adhering mode.

Furthermore, four or more groups of limiting holes are formed in the limiting hole.

Further, two or more groups of ball grooves and extrusion blocks are arranged.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up an extension section of thick bamboo and extension rod, utilize an extension section of thick bamboo cooperation extension rod to stretch out and draw back and extend to adjust from the control valve distance according to the spheroid, thereby promoted the change matching adjustment nature of this mechanism by a wide margin.

2. Through setting up ball groove, ball, spring and extrusion piece, the elasticity that utilizes extrusion piece cooperation spring extrudees the ball through the ball groove to the realization is blocked fixedly between an extension section of thick bamboo and the extension rod, thereby has promoted the change matching adjustment nature of this mechanism by a wide margin.

3. Through setting up rotatory piece, retainer plate and wear-resisting gum cover, utilize the retainer plate to pass through the bolt fastening at the connecting block top with rotatory piece to wear-resisting gum cover card is fixed at rotatory piece surface, so that when the valve switch was rotatory, reduces the frictional property, thereby has promoted the switching quality of this mechanism by a wide margin.

Drawings

Fig. 1 is the utility model relates to a ball valve rod structure's overall structure schematic diagram.

Fig. 2 is the utility model discloses a ball valve rod structure's ball groove structure sketch map.

Fig. 3 is the utility model relates to a ball valve rod structure's spacing hole structure schematic diagram.

Fig. 4 is the utility model discloses a structure schematic diagram is overlooked to twisting rod mouth of ball valve rod structure.

In the figure: 1. connecting blocks; 2. a block limiting port; 3. screwing the rod port; 4. a cross screw; 5. rotating the block; 6. a stationary ring; 7. wear-resistant rubber sleeves; 8. an extension cylinder; 9. a seal ring; 10. a limiting hole; 11. an extension pole; 13. positioning the threaded hole; 14. a ball groove; 15. a ball bearing; 16. a spring; 17. and extruding the block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a ball valve rod structure comprises a connecting block 1, wherein a limiting block port 2 is arranged at the bottom of the connecting block 1, a screw rod port 3 is arranged at the top of the connecting block 1, a cross screw rod 4 is clamped at the top of the limiting block port 2 in the inner cavity of the connecting block 1, a rotating block 5 is arranged at the top of the connecting block 1, a fixing ring 6 is welded at the bottom of the rotating block 5, an extension cylinder 8 is welded at the periphery of the limiting block port 2 at the bottom of the connecting block 1, limiting holes 10 are uniformly arranged at the bottoms of two sides of the surface of the extension cylinder 8 from top to bottom, an extension rod 11 is sleeved at the bottom of the extension cylinder 8, a positioning threaded hole 13 is arranged at the top of the extension rod 11 corresponding to the position of the cross screw rod 4, ball grooves 14 are arranged at the bottoms of the positioning threaded hole 13 at two sides of the surface, the top of the inner cavity of the extension rod 11 is connected with a spring 16 through a bolt, and two sides of the spring 16 corresponding to the positions of the ball grooves 14 are connected with an extrusion block 17 through bolts.

Wherein, the outer surface of the rotating block 5 is adhered with a wear-resistant rubber sleeve 7.

In this embodiment, as shown in fig. 1, the wear-resistant rubber sleeve 7 is used to improve the clamping effect of the rotating block 5, so as to greatly improve the quality of the rotary switch of the mechanism.

Wherein, the bottom of the connecting block 1 is arranged at the periphery of the extension cylinder 8 and is adhered with a sealing ring 9.

In this embodiment, as shown in fig. 1 and 3, the extension cylinder 8 is used to extend and retract in cooperation with the extension rod 11, so that the distance from the control valve to the ball body can be conveniently adjusted, and the adjustment convenience can be greatly improved.

Wherein, the limiting holes 10 are provided with four or more groups.

In this embodiment, as shown in fig. 1 and 3, the extending rod 11 is retained in the extending cylinder 8 by the ball 15 and the ball groove 14 through the retaining hole 10.

Wherein, the ball groove 14 and the extrusion block 17 are provided with two or more groups.

In the present embodiment, as shown in fig. 1 and 2, the ball 15 is pressed through the ball groove 14 by the pressing block 17 in cooperation with the elasticity of the spring 16.

It should be noted that, the utility model relates to a ball valve rod structure, when in use, the rod body can be adjusted according to the distance between the ball body and the control valve, firstly, the cross screw rod 4 is rotated by the cross screwdriver through the screw rod opening 3 to realize the release of the extension rod 11 through the positioning screw hole 13, at this time, the extension rod 11 is pulled down by personnel, so that the ball 15 between the ball groove 14 and the extension cylinder 8 slides downwards to slide, when the ball 15 rolls to the limiting hole 10 on the surface of the extension cylinder 8, the ball is pushed out by the spring 16 and the extrusion block 17 and is clamped at the position of the limiting hole 10 to realize the extension of the structure, meanwhile, a plurality of groups are arranged above and below the limiting hole 10, the adjustment can be carried out according to the distance between different ball bodies and the control valve, after the adjustment is finished, the rotating block 5 is covered at the top of the connecting block 1 to cover the screw rod opening 3, and the rotating block 5 is fixed at, and finally, respectively connecting and fixing the mechanism in the ball valve for use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve rod structure, includes connecting block (1), its characterized in that: the screw rod fixing device is characterized in that a limiting block port (2) is formed in the bottom of the connecting block (1), a screw rod port (3) is formed in the top of the connecting block (1), a cross screw rod (4) is clamped and arranged on the inner cavity of the connecting block (1) at the top of the limiting block port (2), a rotating block (5) is arranged at the top of the connecting block (1), a fixing ring (6) is welded at the bottom of the rotating block (5), an extension cylinder (8) is welded at the bottom of the connecting block (1) at the periphery of the limiting block port (2), limiting holes (10) are uniformly formed in the bottoms of two sides of the surface of the extension cylinder (8) from top to bottom, an extension rod (11) is sleeved at the bottom of the extension cylinder (8), a positioning threaded hole (13) is formed in the top of the extension rod (11) corresponding to the position of, the ball bearing device is characterized in that balls (15) are arranged between the extension rod (11) and the extension cylinder (8) in a clamping mode corresponding to the position of the limiting hole (10) and the position of the ball bearing groove (14), the top of an inner cavity of the extension rod (11) is connected with a spring (16) through a bolt, and extrusion blocks (17) are connected to the two sides of the spring (16) in a corresponding mode corresponding to the position of the ball bearing groove (14) through bolts.

2. A ball valve stem structure according to claim 1, wherein: the outer surface of the rotating block (5) is adhered with a wear-resistant rubber sleeve (7).

3. A ball valve stem structure according to claim 1, wherein: the bottom of the connecting block (1) is positioned at the periphery of the extension cylinder (8) and is provided with a sealing ring (9) in an adhering mode.

4. A ball valve stem structure according to claim 1, wherein: the limiting holes (10) are provided with four groups or more.

5. A ball valve stem structure according to claim 1, wherein: two or more groups of ball grooves (14) and extrusion blocks (17) are arranged.