CN211259811U

CN211259811U - Valve stem connector of motor valve

Info

Publication number: CN211259811U
Application number: CN201922482858.7U
Authority: CN
Inventors: 梁晓波
Original assignee: Chengdu Huoshan Technology Co ltd
Current assignee: Chengdu Huoshan Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-14
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a valve rod connector of motor valve, including drive nut and bellows, drive nut includes that from the top down sets gradually screw thread portion and torsion share the portion, and the screw thread of screw thread portion inner wall is the structure of two segmentation at least, leaves the anticreep silk clearance between every section screw thread, and the inner wall that torsion shared the portion is equipped with the inner wall profile of tooth around the inner wall round, and the inner wall profile of tooth is to inner bellied dogtooth surface and flushes with screw thread portion inner wall surface, and the supporting valve rod profile of tooth of inner wall profile of tooth sets up the link outer wall at the motor valve rod, the one end of bellows links to each other with drive nut, and the other end of bellows then with the carousel fixed connection of motor valve. The problem of take off easily between current valve rod and the valve rod connector is solved.

Description

Valve stem connector of motor valve

Technical Field

The utility model relates to the field of mechanical equipment, concretely relates to valve rod connector of motor valve.

Background

The valve rod is also used on the motor, the main function of the valve rod is used for transmission, the valve rod is connected with an actuating mechanism or a handle, and the valve core is directly driven to move or rotate below the actuating mechanism to realize the switching or adjusting function of the valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve rod connector of motor valve solves the problem of taking off the silk easily between current valve rod and the valve rod connector.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a valve rod connector of motor valve, includes transmission nut and bellows, transmission nut includes that from the top down sets gradually screw thread portion and torsion share the portion, and the screw thread of screw thread portion inner wall is two segmentation structures at least, leaves the anticreep silk clearance between every section screw thread, and the inner wall that torsion shared the portion is equipped with the inner wall profile of tooth around the inner wall round, and the inside bellied dogtooth surface of inner wall profile of tooth flushes with screw thread portion inner wall surface, sets up the link outer wall at the motor valve rod with the supporting valve rod profile of tooth of inner wall profile of tooth, the one end of bellows links to each other with transmission nut, and the other end of bellows then with motor valve's carousel fixed connection.

The screw thread with drive nut screw portion inner wall has been separated into two sections, even one of them section takes off the silk like this, half also can work as usual, the fault rate has been reduced, the torsion sharing portion that sets up in the lower part then can share the torsion of transmitting, just can further reduce the failure rate of being connected between valve rod connector and the valve rod, can effectual guarantee work efficiency, and reduce the maintenance cost, so the torsion sharing portion can share the torsion of transmitting and come because the intermeshing between inner wall tooth row and the valve rod tooth row, the torsion of transmitting like this just has partly to be offset by the interact power between inner wall tooth row and the valve rod tooth row.

As the utility model discloses a further preferred, the valve rod tooth row passes through detachable connection structure detachable connection with the valve rod of motor valve.

This facilitates replacement and maintenance of the rows of valve stem teeth.

As the utility model discloses a further preferred, detachable connection structure includes connecting screw, and the sunken depressed part middle part of valve rod tooth row is seted up horizontally screw rod through-hole, and the surface of valve rod is equipped with the screw rod spliced eye with the position department that the screw rod through-hole corresponds, and connecting screw alternates in screw rod through-hole and screw rod spliced eye department, and the outside of screw rod through-hole still is equipped with the nut recess.

The valve rod tooth row and the valve rod are connected together through the connecting screw rod, and the nut groove arranged on the outer side of the screw rod through hole can accommodate the nut of the connecting screw rod, so that the connecting screw rod cannot influence the mutual meshing between the valve rod tooth row and the inner wall tooth row.

As a further preference of the utility model, the nut adaptation on nut groove and the connecting screw.

As a further preference of the present invention, the middle part of the bellows is provided with a transparent observation window.

The middle part of the corrugated pipe is provided with the transparent observation window, so that the valve rod can be observed at any time, and whether the valve rod has a problem can be found in time.

Compared with the prior art, the utility model discloses can reach one in following beneficial effect at least:

1. the failure rate of connection between the valve rod and the valve rod connector can be effectively reduced, the maintenance cost is reduced, and the work is not easy to delay.

2. The gear row of the valve rod is convenient to replace and maintain.

3. The valve rod can be observed conveniently at any time, and the problem of the valve rod can be found timely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the utility model discloses the connection structure schematic diagram between valve rod tooth row and the valve rod of motor valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific example 1: fig. 1, fig. 2 show a valve rod connector of motor valve, including drive nut 1 and bellows 2, drive nut 1 includes screw thread portion 11 and the torsion that from the top down set gradually shares portion 12, and the screw thread of screw thread portion 11 inner wall is the structure of two segmentation at least, leaves the anticreep silk clearance between every section screw thread, and the inner wall that torsion shared portion 12 encircles the inner wall round and is equipped with the inner wall profile of tooth, and the inside bellied dogtooth surface of inner wall profile of tooth flushes with screw thread portion 11 inner wall surface, and the supporting valve rod profile of tooth 3 of arranging at the link outer wall of motor valve rod with the inner wall profile of tooth, the one end of bellows 2 links to each other with drive nut 1, and the other end of bellows 2 then with the carousel fixed connection of motor valve.

Specific example 2:

the present embodiment is further described on the basis of specific embodiment 1, where the connection structure between the valve rod tooth row 3 and the valve rod of the electric motor valve is further described, and the valve rod tooth row 3 and the valve rod of the electric motor valve are detachably connected through a detachable connection structure.

This facilitates replacement and maintenance of the rows of valve stem teeth.

Specific example 3:

this embodiment has further explained detachable connection structure on concrete embodiment 2's basis, detachable connection structure includes connecting screw 4, and the sunken position middle part that 3 sunken valve rod tooth rows was seted up has the horizontally screw rod through-hole, and the surface of valve rod is equipped with the screw rod spliced eye with the position department that the screw rod through-hole corresponds, and connecting screw 4 alternates in screw rod through-hole and screw rod spliced eye department, and the outside of screw rod through-hole still is equipped with the nut recess.

Specific example 4:

this embodiment is further described with reference to embodiment 3, wherein the nut groove is adapted to the nut on the connecting screw 4.

Specific example 5:

in this embodiment, an observation window 6 is additionally provided on the basis of specific embodiment 1, and a transparent observation window 6 is provided in the middle of the corrugated tube 2.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a valve rod connector of motor valve, includes drive nut (1) and bellows (2), its characterized in that: transmission nut (1) shares portion (12) including screw thread portion (11) and the torsion that set gradually from the top down, the screw thread of screw thread portion (11) inner wall is two segmentation structures at least, leaves the anticreep silk clearance between every section screw thread, the inner wall that torsion shared portion (12) encircles the inner wall round and is equipped with the inner wall profile of tooth, the inside bellied dogtooth surface of inner wall profile of tooth flushes with screw thread portion (11) inner wall surface, sets up the link outer wall at the electric machine valve rod with supporting valve rod profile of tooth row (3) of inner wall, the one end of bellows (2) links to each other with transmission nut (1), the other end of bellows (2) then with the carousel fixed connection of electric machine valve.

2. The valve stem connector of the motor valve according to claim 1, wherein: the valve rod tooth row (3) is detachably connected with the valve rod of the motor valve through a detachable connecting structure.

3. The valve stem connector of the motor valve according to claim 2, wherein: the detachable connecting structure comprises a connecting screw rod (4), a horizontal screw rod through hole is formed in the middle of a sunken position of the valve rod gear row (3), a screw rod inserting hole is formed in the surface of the valve rod and corresponds to the screw rod through hole, the connecting screw rod (4) penetrates through the screw rod through hole and the screw rod inserting hole, and a nut groove is formed in the outer side of the screw rod through hole.

4. A valve stem connector of an electric motor valve according to claim 3, wherein: the nut groove (5) is matched with a nut on the connecting screw rod (4).

5. The valve stem connector of the motor valve according to claim 1, wherein: and a transparent observation window (6) is arranged in the middle of the corrugated pipe (2).