CN218837603U

CN218837603U - Pipeline valve changes appurtenance

Info

Publication number: CN218837603U
Application number: CN202222913934.7U
Authority: CN
Inventors: 孙宁一; 陈培喜; 周观荣; 黄雷; 陈承恩
Original assignee: GAC Motor Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-04-11
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to an oil gas transport auxiliary assembly field, more specifically relates to a pipeline valve changes appurtenance. The handle comprises a first handle and a second handle, wherein one end of the first handle is connected with one end of the second handle, the other end of the first handle is connected with a first expansion piece with adjustable height, and the other end of the second handle is connected with a second expansion piece with adjustable height. The tool solves the problem that the flange ring is warped and deformed due to uneven stress when the pipeline valve is replaced, the first expansion piece and the second expansion piece can respectively act on two opposite sides of the end face of the flange ring, so that the two sides of the flange ring are respectively stressed by forces with similar magnitudes, the upper flange ring and the lower flange ring are always close to be relatively parallel, and the situation of warping and deformation of the flange ring is avoided; meanwhile, the tool is simple to manufacture, low in manufacturing cost, convenient to carry, convenient to operate and control and convenient to detach for the pipeline valve.

Description

Pipeline valve changes appurtenance

Technical Field

The utility model relates to an oil gas transport auxiliary assembly field, more specifically relates to a pipeline valve changes appurtenance.

Background

The washing, oil removal, surface conditioning, phosphating and electrophoresis are all anti-rust treatment processes for automobile bodies in automobile manufacturing, and specific tank liquid required by the processes is conveyed by pipeline systems such as a circulating pipeline, a spraying pipeline and the like. Because the liquid conveyed by the pipelines has certain corrosivity, the pipeline valves between the pipelines can be damaged after being used for a long time, and therefore the pipeline valves need to be replaced regularly.

As shown in fig. 1, the upper and lower pipes of the conveying pipeline are connected together, the upper and lower

pipe flange rings

17 and 18 are welded to the ends of the upper and lower pipes, respectively, the upper and lower

pipe flange rings

17 and 18 are connected by bolts, and the pipeline valve is clamped and fixed by the upper and lower pipes and is located in the gap between the upper and lower

pipe flange rings

17 and 18. If the pipeline valve needs to be replaced, the bolts for connecting the flange rings need to be dismounted, although gaps can exist between the upper flange ring and the lower flange ring after the bolts are dismounted, the upper pipeline flange ring 17 and the upper pipeline still can apply great pressure to the pipeline valve, therefore, the gaps between the upper pipeline flange ring 17 and the lower pipeline flange ring 18 need to be expanded by means of an auxiliary tool, and the old pipeline valve can not be dismounted and taken out and replaced by a new pipeline valve until the old pipeline valve does not receive clamping force.

The prior art discloses a gap flange expander for prying two flanges respectively welded with a pipeline, which comprises a handle, a tensioning screw, a tensioning plate, a positioning bolt, a supporting plate, a jack screw, an expanding block, a jack bead and a cover plate, wherein the cross section of the bottom of the expanding block is in an acute triangle shape, the bottom of the expanding block is inserted into a gap of a flange ring, and the handle is rotated to enable the expanding block to continuously enter the gap of the flange ring to expand the gap. However, the expander can only act on one side of the flange ring when in use, the expander is labor-consuming in use, and the two pipeline flange rings are easy to generate warping deformation due to uneven stress.

SUMMERY OF THE UTILITY MODEL

For solving the problem that flange expander leads to flange circle warpage easily when using among the above-mentioned prior art, the utility model provides a can avoid flange circle to warp, and easy operation's a pipeline valve changes appurtenance.

In order to solve the technical problem, the utility model provides a solution is:

the utility model provides a pipeline valve replacement instrument, includes the first in command and the second in command, the one end of the first in command with the one end of second in command is connected, the other end of the first in command is connected with height dimension adjustable's first expansion piece, the other end of the second in command is connected with height dimension adjustable's second expansion piece.

In the technical scheme, before the old pipeline valve is disassembled, the first handle and the second handle are simultaneously held by hands, the first expansion piece and the second expansion piece are placed in a gap between the upper flange ring and the lower flange ring, so that the first expansion piece and the second expansion piece are respectively positioned on two opposite sides of the end face of the lower pipeline flange ring, then the height sizes of the first expansion piece and the second expansion piece are continuously and alternately adjusted, the upper pipeline flange ring is gradually jacked up, and the included angle between the upper flange ring and the lower flange ring is ensured to be within a certain range; the gap between the two flange rings is gradually expanded until the gap is large enough to take out the old pipeline valve, and then the old pipeline valve is taken out from between the upper pipeline and the lower pipeline and replaced by a new pipeline valve. In the process, the two opposite sides of the end face of the flange ring are respectively stressed by forces with similar sizes, so that the upper flange ring and the lower flange ring are always close to be relatively parallel, and the situation of flange ring warping deformation is avoided.

Preferably, the first expansion piece comprises a first screw rod and a first fixing piece which are connected through threads, the second expansion piece comprises a second screw rod and a second fixing piece which are connected through threads, the first fixing piece is fixedly connected with one end of the first handle, and the second fixing piece is fixedly connected with one end of the second handle. In the process of rotating the first screw rod and the second screw rod, the height sizes of the first expansion piece and the second expansion piece are gradually increased, and the gap between the two flange rings is also gradually expanded. The first expansion piece and the second expansion piece are simple in structure composition, low in manufacturing cost and easy to operate.

Preferably, the end surfaces of the first screw rod and the second screw rod, which are contacted with the flange ring, are both arc surfaces. If the end surfaces of the first lead screw and the second lead screw, which are in contact with the flange ring, are planes, the contact area between the first lead screw and the flange ring and the contact area between the second lead screw and the flange ring are large, the friction resistance is large, the rotation of the first lead screw and the second lead screw is not facilitated, if the end surfaces of the first lead screw and the second lead screw, which are in contact with the flange ring, are designed to be arc surfaces, the contact areas of the first lead screw and the second lead screw and the end surfaces of the flange ring are reduced, the friction force between the first lead screw and the flange ring and the friction force between the second lead screw and the flange ring are reduced, and more labor is saved.

Preferably, the one end that first in command kept away from first expansion piece is equipped with first connecting portion, the one end that second expansion piece was kept away from to the second in command is equipped with the second connecting portion, first connecting portion with the second connecting portion pass through the connecting piece rotates the connection. Because the diameter sizes of different flange rings are different, when the first handle and the second handle are connected in a rotating mode, a user can adjust the included angle between the first handle and the second handle at will according to actual requirements so as to change the distance between the first expansion piece and the second expansion piece, and the tool is suitable for flange rings with different diameters and sizes.

Preferably, the connecting member includes a bolt and a nut, and the first connecting portion and the second connecting portion are detachably connected by the bolt and the nut. When the distance between the first expansion piece and the second expansion piece needs to be adjusted, the nut is loosened, the first handle and the second handle are adjusted to form a proper included angle, the first handle and the second handle are clamped and fixed by the adjusting nut and the adjusting bolt, and then the first expansion piece and the second expansion piece are placed into the gap of the flange ring. The first handle and the second handle are fixed at an included angle through the adjusting nut, and the working efficiency is guaranteed.

Preferably, the top of the bolt is provided with a handheld part, and the handheld part is fixedly connected with the bolt. The hand-held part can conveniently control the bolt, when the nut is rotated, the bolt can be loosened along with the rotation of the nut, and after the hand-held part is arranged, the hand-held part can be controlled while the nut is rotated, so that the bolt is kept stable.

Preferably, the connecting piece further comprises a gasket, one end of the gasket is abutted to the first connecting portion or the second connecting portion, and the other end of the gasket is abutted to the nut. The increase gasket can reduce the extrusion force of nut to first connecting portion or second connecting portion, protects first connecting portion or second connecting portion, can also strengthen the fastening of nut.

Preferably, the first handle and the second handle are located at the same level. If the first handle and the second handle have a height difference, the two ends of the flange ring are stressed unevenly, and the first handle and the second handle are deformed and damaged.

Preferably, the first handle and the second handle are one of a straight rod, a bent rod or an arched rod.

If the first handle and the second handle are bent rods, the first handle comprises a first inclined rod and a first straight rod which form an obtuse angle, and the second handle comprises a second inclined rod and a second straight rod which form an obtuse angle; one end of the first diagonal rod is connected with the connecting piece, the other end of the first diagonal rod is connected with one end of the first straight rod, and the other end of the first straight rod is connected with the first expansion piece; one end of the second diagonal rod is connected with the connecting piece, the other end of the second diagonal rod is connected with one end of the second straight rod, and the other end of the second straight rod is connected with the second expansion piece. The first handle and the second handle are both bent rods, so that the risk of fingers being accidentally clipped due to shearing force formed by intersection of the first handle and the second handle can be reduced.

Preferably, the first handle and the second handle are externally sleeved with rubber sleeves. The first handle and the second handle are positions where an operator holds the tool, and the addition of the rubber sleeve at the positions can improve the comfort level during holding and can also improve the safety of the tool.

The utility model has the advantages that: the problem that the flange ring is warped and deformed due to uneven stress when the pipeline valve is replaced is solved, the first expansion piece and the second expansion piece can respectively act on two opposite sides of the end face of the flange ring, so that the two sides of the flange ring are respectively stressed by forces with similar magnitudes, the upper flange ring and the lower flange ring are always close to be relatively parallel, and the warping and deformation of the flange ring are avoided; meanwhile, the tool is simple to manufacture, low in manufacturing cost, convenient to carry, convenient to operate and control and convenient to replace the pipeline valve.

Drawings

FIG. 1 is a schematic view of the connection of upper and lower pipes of a transfer pipe;

FIG. 2 is a schematic view of a pipeline valve replacement auxiliary tool;

FIG. 3 is a schematic view of the use of a pipeline valve replacement aid;

fig. 4 is a schematic structural view of a first connection portion and a second connection portion in embodiment 2;

fig. 5 is a schematic structural view of a first connection portion and a second connection portion in embodiment 3;

fig. 6 is a schematic structural view of embodiment 4 of a pipeline valve replacement auxiliary tool.

In the drawings:

1-a first handle; 101-a first diagonal; 102-a first straight bar; 2-a second handle; 201-a second diagonal; 202-a second straight rod; 3-a first expansion element; 4-a second expansion element; 5-a first screw rod; 6-a first fixing piece; 7-a second screw rod; 8-a second fixing piece; 9-a first connection; 10-a second connection; 11-a connector; 12-a bolt; 13-a nut; 14-a hand-held portion; 15-a gasket; 16-a rubber sleeve; 17-upper pipe flange ring; 18-lower pipe flange ring.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in figure 2, the pipeline valve replacing auxiliary tool comprises a first handle 1 and a second handle 2, one end of the first handle 1 is connected with one end of the second handle 2, the other end of the first handle 1 is connected with a first expansion piece 3 with adjustable height dimension, and the other end of the second handle 2 is connected with a second expansion piece 4 with adjustable height dimension.

Further, the first expansion part 3 comprises a first screw rod 5 and a first fixing part 6 which are connected through threads, the second expansion part 4 comprises a second screw rod 7 and a second fixing part 8 which are connected through threads, the first fixing part 6 is fixedly connected with one end of the first handle 1, and the second fixing part 8 is fixedly connected with one end of the second handle 2. In the process of rotating the first screw mandrel 5 and the second screw mandrel 7, the height sizes of the first expansion piece 3 and the second expansion piece 4 are gradually increased, and the gap between the two flange rings is gradually enlarged. The first expansion piece 3 and the second expansion piece 4 are simple in structure and composition, low in manufacturing cost and easy to operate.

Furthermore, the end surfaces of the first screw rod 5 and the second screw rod 7, which are contacted with the flange ring, are both arc surfaces. If the end surfaces of the first lead screw 5 and the second lead screw 7, which are in contact with the flange ring, are planes, the contact area between the first lead screw 5 and the flange ring and the contact area between the second lead screw 7 and the flange ring are large, the friction resistance is large, which is not beneficial to the rotation of the first lead screw 5 and the second lead screw 7, if the end surfaces of the first lead screw 5 and the second lead screw 7, which are in contact with the flange ring, are designed to be arc surfaces, the contact area between the first lead screw 5 and the flange ring and the contact area between the second lead screw 7 and the flange ring are reduced, the friction force between the first lead screw 5 and the flange ring and the second lead screw 7 is reduced, and more labor is saved.

The working principle or working process of the embodiment is as follows: before the old pipeline valve is disassembled, the first handle 1 and the second handle 2 are simultaneously held by hands, as shown in a use schematic diagram of an auxiliary tool for replacing the pipeline valve in fig. 3, the first expansion piece 3 and the second expansion piece 4 are placed in a gap between the upper pipeline flange ring 17 and the lower pipeline flange ring 18, the first expansion piece 3 and the second expansion piece 4 are respectively positioned at two opposite sides on the end surface of the lower pipeline flange ring 18, then the first screw rod 5 and the second screw rod 7 are alternately rotated, the upper pipeline flange ring 17 is gradually jacked up, and the included angle between the upper flange ring and the lower flange ring is ensured to be within a certain range; the gap between the two flange rings is gradually enlarged until the gap is large enough to take out the old pipeline valve, and then the old pipeline valve is taken out from the space between the upper pipeline and the lower pipeline and replaced by a new pipeline valve.

The beneficial effects of this embodiment: the problem that the flange ring is warped and deformed due to uneven stress when the pipeline valve is replaced is solved, the first expansion piece and the second expansion piece can respectively act on two opposite sides of the end face of the flange ring, and the two sides of the flange ring are respectively stressed by forces with similar magnitudes, so that the upper flange ring and the lower flange ring are always close to be relatively parallel, and the warping and deformation of the flange ring are avoided; meanwhile, the tool is simple to manufacture, low in manufacturing cost, convenient to carry, convenient to operate and control and convenient to replace the pipeline valve.

Example 2

In this embodiment, on the basis of embodiment 1, as shown in fig. 4, a first connecting portion 9 is disposed at an end of the first handle 1 away from the first expansion element 3, a second connecting portion 10 is disposed at an end of the second handle 2 away from the second expansion element 4, and the first connecting portion 9 and the second connecting portion 10 are rotatably connected by a connecting member 11. Specifically, the second connecting portion 10 is C-shaped, and two ends of the first connecting portion 9 are respectively abutted to two ends of an inner wall of the second connecting portion 10. Because the diameter sizes of different flange circles are different, when the first handle 1 and the second handle 2 are connected in a rotating mode, a user can adjust the included angle between the first handle 1 and the second handle 2 at will according to actual requirements so as to change the distance between the first expansion piece 3 and the second expansion piece 4, and the tool is suitable for flange circles with different diameters and sizes.

Wherein, the first handle 1 and the second handle 2 are positioned at the same horizontal height. If the first handle 1 and the second handle 2 have a height difference, the two ends of the flange ring are stressed unevenly, and the first handle 1 and the second handle 2 are deformed and damaged.

Specifically, the connecting member 11 includes a bolt 12 and a nut 13, and the first connecting portion 9 and the second connecting portion 10 are detachably connected by the bolt 12 and the nut 13. When the distance between the first expansion piece 3 and the second expansion piece 4 needs to be adjusted, the nut 13 is loosened, the first handle 1 and the second handle 2 are adjusted to form a proper included angle, and then the nut 13 is screwed to clamp and fix the first handle 1 and the second handle 2. The first handle 1 and the second handle 2 are fixed at an included angle through the adjusting nut 13, and the working efficiency is guaranteed.

Further, a holding part 14 is arranged on the top of the bolt 12, and the holding part 14 is fixedly connected with the bolt 12. The handle 14 facilitates the control of the bolt 12, the bolt 12 may loosen with the rotation of the nut 13 when the nut 13 is rotated, and the handle 14 may be provided to control the handle 14 while the nut 13 is rotated, thereby stabilizing the bolt 12.

Furthermore, the connecting piece 11 further comprises a gasket 15, one end of the gasket 15 abuts against the first connecting portion 9 or the second connecting portion 10, and the other end of the gasket 15 abuts against the nut 13. The addition of the washer 15 can reduce the extrusion force of the nut 13 on the first connecting part 9 or the second connecting part 10, protect the first connecting part 9 or the second connecting part 10, and enhance the fastening effect of the nut 13.

Other features, operating principles and advantageous effects of the present implementation are consistent with embodiment 1.

Example 3

In this embodiment, on the basis of embodiment 1, as shown in fig. 5, a first connecting portion 9 is disposed at an end of the first handle 1 away from the first expansion element 3, a second connecting portion 10 is disposed at an end of the second handle 2 away from the second expansion element 4, and the first connecting portion 9 and the second connecting portion 10 are rotatably connected by a connecting member 11. Specifically, the first connection portion 9 and the second connection portion 10 are both planar, and one end of the first connection portion 9 abuts against one end of the second connection portion 10.

Specifically, the connecting member 11 includes a bolt 12 and a nut 13, and the first connecting portion 9 and the second connecting portion 10 are detachably connected by the bolt 12 and the nut 13.

Example 4

In this embodiment, on the basis of embodiment 2, as shown in fig. 6, the first handle 1 comprises a first diagonal rod 101 and a first straight rod 102 which form an obtuse angle, and the second handle 2 comprises a second diagonal rod 201 and a second straight rod 202 which form an obtuse angle; one end of the first inclined rod 101 is connected with the connecting piece 11, the other end of the first inclined rod 101 is connected with one end of the first straight rod 102, and the other end of the first straight rod 102 is connected with the first expansion piece 3; one end of the second diagonal rod 201 is connected to the connecting member 11, the other end of the second diagonal rod 201 is connected to one end of the second straight rod 202, and the other end of the second straight rod 202 is connected to the second expanding member 4. Specifically, the first straight bar 102 and the second straight bar 202 are parallel to each other. The first handle 1 and the second handle 2 are both bent rods, so that the risk of fingers being injured by shearing force and clamping by mistake due to the fact that the first handle 1 and the second handle 2 are crossed can be reduced.

Further, the outer walls of the first handle 1 and the second handle 2 are sleeved with rubber sleeves 16. The first handle 1 and the second handle 2 are positions where the operator holds the tool, and the addition of the rubber sleeve 16 at the positions improves the comfort of the tool when holding the tool and also improves the safety of the tool.

Other features, operating principles and advantageous effects of this implementation are consistent with embodiment 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The auxiliary tool for replacing the pipeline valve is characterized by comprising a first handle (1) and a second handle (2), wherein one end of the first handle (1) is connected with one end of the second handle (2), the other end of the first handle (1) is connected with a first expansion piece (3) with adjustable height, and the other end of the second handle (2) is connected with a second expansion piece (4) with adjustable height.

2. A pipeline valve replacement auxiliary tool according to claim 1, wherein the first expansion member (3) comprises a first screw rod (5) and a first fixing member (6) which are connected through screw threads, the second expansion member (4) comprises a second screw rod (7) and a second fixing member (8) which are connected through screw threads, the first fixing member (6) is fixedly connected with one end of the first handle (1), and the second fixing member (8) is fixedly connected with one end of the second handle (2).

3. The pipeline valve replacement auxiliary tool according to claim 2, wherein the end surfaces of the first screw rod (5) and the second screw rod (7) contacting the flange ring are both arc surfaces.

4. The pipeline valve replacement auxiliary tool is characterized in that a first connecting part (9) is arranged at one end, away from the first expansion piece (3), of the first handle (1), a second connecting part (10) is arranged at one end, away from the second expansion piece (4), of the second handle (2), and the first connecting part (9) and the second connecting part (10) are rotatably connected through a connecting piece (11).

5. A pipeline valve replacement auxiliary tool according to claim 4, wherein the connecting piece (11) comprises a bolt (12) and a nut (13), and the first connecting part (9) and the second connecting part (10) are detachably connected through the bolt (12) and the nut (13).

6. A pipeline valve replacement auxiliary tool according to claim 5, wherein a handheld part (14) is arranged at the top of the bolt (12), and the handheld part (14) is fixedly connected with the bolt (12).

7. A pipeline valve replacement auxiliary tool according to claim 5, wherein the connecting piece (11) further comprises a gasket (15), one end of the gasket (15) abuts against the first connecting portion (9) or the second connecting portion (10), and the other end of the gasket (15) abuts against the nut (13).

8. The pipeline valve replacement auxiliary tool according to claim 4, wherein the first handle (1) comprises a first inclined rod (101) and a first straight rod (102) which form an obtuse angle, and the second handle (2) comprises a second inclined rod (201) and a second straight rod (202) which form an obtuse angle; one end of the first inclined rod (101) is connected with the connecting piece (11), the other end of the first inclined rod (101) is connected with one end of the first straight rod (102), and the other end of the first straight rod (102) is connected with the first expansion piece (3); one end of the second diagonal rod (201) is connected with the connecting piece (11), the other end of the second diagonal rod (201) is connected with one end of the second straight rod (202), and the other end of the second straight rod (202) is connected with the second expansion piece (4).

9. A pipeline valve replacement aid according to claim 1, wherein the first handle (1) and the second handle (2) are at the same level.

10. The pipeline valve replacement auxiliary tool according to any one of claims 1 to 9, wherein the outer walls of the first handle (1) and the second handle (2) are sleeved with rubber sleeves (16).