CN210050372U

CN210050372U - Switching device for valve rod of PE valve

Info

Publication number: CN210050372U
Application number: CN201920495734.XU
Authority: CN
Inventors: 朱建武; 刘建柱
Original assignee: ZHUZHOU XINAO GAS CO Ltd
Current assignee: ZHUZHOU XINAO GAS CO Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-02-11
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a switching device for PE valve rod, including sleeve subassembly and application of force pole, the sleeve subassembly includes the small size sleeve, well size sleeve and large size sleeve, large size telescopic one side is provided with the large size and cup joints the hole, the opposite side is provided with grafting portion, well size telescopic one side is connected with application of force pole, the other end is provided with the well size that can cup joint the small size sleeve and cup joints the hole, be provided with the small size on the small size sleeve and cup joint the hole, this small size cup joints the bottom of hole and is provided with the first through-hole that runs through, well size cup joints the bottom of hole and is provided with the second through-hole that matches with first through-hole, the small size sleeve, all be provided with the third through-hole that link up on the lateral wall of medium size sleeve and grafting portion, the small size sleeve cup joints in the medium size sleeve, grafting portion cup joints when the small size cup joints downthehole, the small size sleeve, well size sleeve and. The device can realize the opening and closing of most PE valve rods through one set of device, and saves the resources consumed by the original manufacturing tools.

Description

Switching device for valve rod of PE valve

Technical Field

The utility model belongs to the technical field of pipeline valve tool, specifically be a switching device for PE valve rod.

Background

In the gas industry, as various related works such as air supply, pressure reduction splicing, pipeline diffusing replacement, emergency repair and the like of a newly-built project are developed, opening and closing operations of a PE valve by technical personnel are increasingly frequent. At present, PE valves required on site are various, and the size standards of PE valve rods of various manufacturers are different, so that in actual work, various PE valve rod switch heads which are configured to be fixed one rod by one valve along with different manufacturers need to be prepared. In practice, vehicles are often required to be equipped with more than four PE valve rod switch components to meet the requirements of opening and closing the working operation valve. Therefore, tools for valve opening and closing preparation are complex, consume resources and are inconvenient to carry, and further work efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plurality of sleeves that portable can nested a switching device for PE valve rod to solve above-mentioned problem.

In order to realize the aim, the utility model discloses a switching device for a PE valve rod, which comprises a sleeve component and an application rod, wherein the sleeve component comprises a small sleeve, a medium sleeve and a large sleeve, one side of the large sleeve is provided with a large sleeve hole, the other side is provided with an insertion part, one side of the medium sleeve is connected with the application rod, the other end is provided with a medium sleeve hole which can be sleeved with the small sleeve, the small sleeve is provided with a small sleeve hole which is used for sleeved with the insertion part, the bottom of the small sleeve hole is provided with a first through hole which penetrates, the bottom of the medium sleeve hole is provided with a second through hole which is matched with the first through hole, the side walls of the small sleeve, the medium sleeve and the insertion part are all provided with a third through hole which penetrates, the small sleeve is sleeved in the medium sleeve, and the insertion part is sleeved in the small sleeve hole, and third through holes of the small-size sleeve, the middle-size sleeve and the large-size sleeve are arranged in alignment.

Further, still include one and be used for connecting the telescopic connecting piece of small size sleeve and medium size, the connecting piece includes mounting panel, connecting screw and coupling nut, connecting screw runs through first through-hole and second through-hole, the mounting panel set up in the small size muffjoint is downthehole, coupling nut with connecting screw connects and is located outside the medium size sleeve.

Furthermore, the small-size sleeve joint hole, the medium-size sleeve joint hole and the large-size sleeve joint hole are square counter bores matched with the PE valve rods with different sizes.

Further, still include a bolt assembly, bolt assembly run through install in the third through-hole of small-size sleeve, medium-size sleeve and large-size sleeve.

Furthermore, the small-size sleeve joint hole is arranged to be matched with the insertion part in a basically fitting mode, and the large-size sleeve joint hole is arranged to be matched with the small-size sleeve in a basically fitting mode.

Furthermore, a stress application sleeve is fixedly connected above the stress application rod and is perpendicular to the stress application rod.

Furthermore, a switching sleeve is fixedly connected above the stress application sleeve, and a square counter bore is arranged on the switching sleeve.

Furthermore, the force application rod comprises a plurality of extension rods and connecting pins, one end of each extension rod is provided with a square port, the other end of each extension rod is provided with a square hole capable of accommodating the square port, and pin holes are formed in the square ports and the square holes.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a with the nested integral type connected mode of three switch sleeve to reach the purpose that one set of device realized the switching of current PE valve rod, practiced thrift the original preparation multiplexer utensil and consumed the resource, comprehensive practicality is high, the cost of manufacture is low, convenient to carry, easy and simple to handle, durable, simultaneously, also can extensively use in similar switch operation trade.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is an axial schematic view of a switching device for a PE valve stem according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view, partly in section, of a preferred embodiment of the present invention showing a valve stem for a PE valve;

FIG. 3 is an axial schematic view of a large size sleeve disclosed in a preferred embodiment of the present invention;

FIG. 4 is a view showing the fitting of the small-sized sleeve and the connecting member according to the preferred embodiment of the present invention;

fig. 5 is an axial view of an extension bar according to a second embodiment of the present invention.

Illustration of the drawings:

1. a sleeve assembly; 2. a force application rod; 3. a small-sized sleeve; 4. a middle sleeve; 5. a large-size sleeve; 6. large-size sleeving holes; 7. a plug-in part; 8. a middle socket hole; 9. a small sleeve hole; 10. a first through hole; 11. a second through hole; 12. a third through hole; 13. mounting a plate; 14. connecting a screw rod; 15. a connecting nut; 16. a bolt assembly; 17. a bolt; 18. a stress application sleeve; 19. an adapter sleeve; 20. lengthening a rod; 21. a connecting pin; 22. a square port; 23. a square hole; 24. a pin hole; 25. and a nut.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

The first embodiment is as follows:

as shown in fig. 1-4, the utility model discloses a switching device for PE valve rod, including sleeve subassembly 1 and application of force pole 2, sleeve subassembly 1 includes the small size sleeve 3 of metal material, medium size sleeve 4 and large size sleeve 5, and one side of large size sleeve 5 is provided with the large size and cup joints hole 6, and the opposite side is provided with grafting portion 7, and one side of medium size sleeve 4 and application of force pole 2 welding (application of force pole 2 adopts hollow pipe fitting), and the other end is provided with the medium size that can cup joint small size sleeve 3 and cup joints hole 8, is provided with small size on the small size sleeve 3 and cup joints hole 9 for grafting matching of grafting portion 7. The bottom of the small-size sleeving hole 9 is provided with a plurality of first through holes 10 which penetrate through the small-size sleeving hole. The bottom of medium size socket joint hole 8 is provided with the second through-hole 11 that matches with a plurality of first through-holes 10, second through-hole 11 that matches through first through-hole 10 can be integrative with medium size socket joint hole 8 and small size sleeve 3 connection, for example bolt or buckle, in this embodiment, medium size socket joint hole 8 and small size sleeve 3 are connected through a connecting piece, wherein, the connecting piece includes mounting panel 13, connecting screw 14 and coupling nut 15, a plurality of connecting screw 14 run through first through-hole 10 and second through-hole 11, mounting panel 13 sets up in small size socket joint hole 9, coupling nut 15 is connected with connecting screw 14 and is located outside medium size sleeve 4, it is spacing that connecting screw 14's one end passes through coupling nut 15 promptly, the other end is spacing through mounting panel 13. In order to realize the detachable connection of the large sleeve 5, the small sleeve 3, the side walls of the medium sleeve 4 and the insertion part 7 are provided with through third through holes 12, the small sleeve 3 is sleeved in the medium sleeve 4, and when the insertion part 7 is sleeved in the small sleeve sleeving hole 9, the small sleeve 3, the medium sleeve 4 and the large sleeve 5 are aligned with the third through holes 12, wherein in the embodiment, the connection is realized through the bolt assembly 16, specifically, the bolt 17 of the bolt assembly 16 passes through the small sleeve 3, the medium sleeve 4 and the third through holes 12 of the large sleeve 5, and the nut 25 of the bolt assembly 16 is connected on the bolt 17, so that the small sleeve 3 and the large sleeve 5 are prevented from sliding downwards.

In this embodiment, small number cup joints hole 9, well number cup joints hole 8 and large number cup joints hole 6 for the square counter bore that matches with not unidimensional PE valve rod, wherein, well number cup joints hole 8 and is used for cup jointing the most conventional size valve rod, and small number cup joints hole 9 and large number and cup joints the valve rod of hole 6 then reply other specifications (because each cup joints the hole and is square counter bore, can be fit for the unsteady of valve rod uniform dimension), thereby realize the switching of most valve rod through a switching device.

In this embodiment, the small-size socket hole 9 is set to be capable of being in sliding connection with the plug-in part 7 in a basic fitting mode, and the large-size socket hole 6 is set to be capable of being in sliding connection with the small-size sleeve 3 in a basic fitting mode, so that when the small-size sleeve 3 transmits torque to the large-size sleeve 5, each wall surface of the small-size socket hole 9 can be in contact, uniform force application is achieved, and shearing of the sleeve on the bolt assembly 16 is avoided.

In this embodiment, a force application sleeve 18 is estimated above the force application rod 2, and the force application sleeve 18 is arranged perpendicular to the force application rod 2, so that the force application rod can be inserted into the force application sleeve 18, and then the middle sleeve 4 is rotated to increase the torque of the switch valve.

In this embodiment, an adapter sleeve 19 is fixedly connected above the force application sleeve 18, and a square counter bore is formed in the adapter sleeve 19, so that the adapter sleeve can be sleeved with a common valve rod square head rod distributed by a PE valve (the valve rod square head rod is a universal piece, but the sleeves distributed by manufacturers are different), and the application range of the switching device is expanded.

Example two:

as shown in fig. 5, in this embodiment, because the installation positions of some PE valves are different in depth, in order to adapt to the opening and closing of the PE valve at a deeper installation position, the force application rod 2 includes a plurality of extension rods 20 and connecting pins 21 (in this embodiment, tapered pins are used, split pins can also be used, and the steel wire rope and the bolt assembly 16 are connected in series with each other), the extension rod 20 connected with the middle sleeve 4 can adopt a welding mode, one end of the extension rod 20 is provided with a square port 22, the other end is provided with a square hole 23 capable of accommodating the square port 22, the square port 22 and the square hole 23 are provided with pin holes 24, when in use, the extension rod 20 is inserted into the square hole 23 through the square port 22, and then the connecting pin 21 is inserted to realize the length adjustment of.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The switch device for the PE valve rod is characterized by comprising a sleeve component (1) and an application rod (2), wherein the sleeve component (1) comprises a small sleeve (3), a medium sleeve (4) and a large sleeve (5), one side of the large sleeve (5) is provided with a large sleeve joint hole (6), the other side of the large sleeve (5) is provided with an insertion part (7), one side of the medium sleeve (4) is connected with the application rod (2), the other end of the medium sleeve is provided with a medium sleeve joint hole (8) capable of being sleeved with the small sleeve (3), the small sleeve (3) is provided with a small sleeve joint hole (9) for being sleeved with the insertion part (7), the bottom of the small sleeve joint hole (9) is provided with a first through hole (10) which penetrates through the small sleeve joint hole, the bottom of the medium sleeve joint hole (8) is provided with a second through hole (11) matched with the first through hole (10), and through third through holes (12) are formed in the side walls of the small sleeve (3), the medium sleeve (4) and the insertion part (7), the small sleeve (3) is sleeved in the medium sleeve (4), the insertion part (7) is sleeved in the small sleeve sleeving hole (9), and the third through holes (12) of the small sleeve (3), the medium sleeve (4) and the large sleeve (5) are aligned.

2. The switching device for the PE valve rod according to claim 1, further comprising a connecting piece for connecting the small-size sleeve (3) and the medium-size sleeve (4), wherein the connecting piece comprises a mounting plate (13), a connecting screw rod (14) and a connecting nut (15), the connecting screw rod (14) penetrates through the first through hole (10) and the second through hole (11), the mounting plate (13) is arranged in the small-size sleeve hole (9), and the connecting nut (15) is connected with the connecting screw rod (14) and is located outside the medium-size sleeve (4).

3. The switching device for the PE valve rod according to claim 2, wherein the small-size socket hole (9), the medium-size socket hole (8) and the large-size socket hole (6) are square counter bores matched with PE valve rods with different sizes.

4. The opening and closing device for the PE valve stem according to claim 3, further comprising a bolt assembly (16), wherein the bolt assembly (16) is penetratingly installed in the third through holes (12) of the small-size sleeve (3), the medium-size sleeve (4) and the large-size sleeve (5).

5. A switching device for a PE valve rod according to any of claims 1-4, wherein the small-sized socket hole (9) is arranged to cooperate with the spigot portion (7) in a substantially fitting manner, and the large-sized socket hole (6) is arranged to cooperate with the small-sized sleeve (3) in a substantially fitting manner.

6. The switching device for the PE valve rod according to any one of claims 1 to 4, wherein a force application sleeve (18) is fixedly connected above the force application rod (2), and the force application sleeve (18) is vertically arranged with the force application rod (2).

7. The switching device for the PE valve rod according to claim 6, wherein an adapter sleeve (19) is fixedly connected above the stressing sleeve (18), and a square counter bore is formed in the adapter sleeve (19).

8. The opening and closing device for the PE valve rod according to any one of claims 1 to 4, wherein the force application rod (2) comprises a plurality of extension rods (20) and connecting pins (21), one end of each extension rod (20) is provided with a square port (22), the other end of each extension rod is provided with a square hole (23) capable of accommodating the square port (22), and pin holes (24) are formed in the square ports (22) and the square holes (23).