CN212273410U

CN212273410U - High leakproofness gas pipeline plugging device

Info

Publication number: CN212273410U
Application number: CN202021012693.3U
Authority: CN
Inventors: 汤菊英
Original assignee: Shenzhen Ganghua Construction Co ltd
Current assignee: Shenzhen Ganghua Construction Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-01
Anticipated expiration: 2030-06-04

Abstract

The utility model belongs to the technical field of the gas pipeline technique and specifically relates to a high leakproofness gas pipeline plugging device is related to, its technical scheme main points are: the device comprises a device body, the device body includes the wooden plug, be equipped with the spliced eye that is used for supplying the casing to peg graft on the wooden plug, still include the spring, first bracing piece, second bracing piece and drive assembly, the length direction of first bracing piece and the length direction of second bracing piece all are unanimous with the length direction of spliced eye, first bracing piece and the equal holding of second bracing piece are in the spliced eye, the spring is located between first bracing piece and the second bracing piece, and the both ends of spring are connected with first bracing piece and second bracing piece respectively, the spring is used for promoting first bracing piece and second bracing piece and supports the pore wall both sides of spliced eye, drive assembly is used for driving and is close to each other between first bracing piece and the second bracing piece, the utility model discloses have the function of carrying out the support to the inside deformation of wooden plug, play the effect that reduces the inside deformation of wooden plug and collapses.

Description

High leakproofness gas pipeline plugging device

Technical Field

The utility model belongs to the technical field of the gas pipeline technique and specifically relates to a high leakproofness gas pipeline plugging device is related to.

Background

The gas pipeline is a pipeline for conveying natural gas from a mining place or a processing plant to an urban gas distribution center or an industrial enterprise user, the gas pipeline brings convenience to thousands of households, and one end of the pipeline needs to be plugged after the gas pipeline is installed, so that the safety of the gas pipeline in the using process is ensured.

At present, chinese patent document with publication number CN206669216U discloses a simple and easy gas engineering pipeline plugging device, including the leather sheath, the bottom fixedly connected with leather bag of leather sheath, the leather sheath is pegged graft in the pipeline, the inner wall of leather sheath is equipped with the screw thread, the outer wall fixedly connected with annular fastener of leather sheath, the inner chamber of leather sheath is connected with the wooden plug, the handle is installed to the outer wall of wooden plug, the casing is pegged graft to the inner chamber of wooden plug, the piston is installed to the casing inner chamber, the sealing washer is installed to the outer wall of piston, the push rod is installed at the piston top, the handle is installed at the top of push rod, the bottom of casing is connected with the conveyer pipe, be. When the pipeline is using, need carry out the shutoff to the one end of pipeline, peg graft the leather sheath in the pipeline, be fixed in the pipeline with the leather sheath through annular fastener, twist the wooden plug in the leather sheath through the handle, make conveyer pipe and through-hole mutually support and be connected, promote the piston through handle and push rod, the piston makes the rapid solidification expanding agent pass through the conveyer pipe and gets into the leather bag, the rapid solidification expanding agent solidifies and the inflation fast, make the leather bag realize first shutoff to the pipeline, the wooden plug makes leather sheath inflation and pipeline tightly connected simultaneously, realize the shutoff of second way, after the rapid solidification expanding agent solidifies, take out the casing, can accomplish the shutoff flow.

After taking out the casing from the wooden plug, the inside of wooden plug is cavity setting, so make the holistic structural strength of wooden plug receive the influence, in long-term use, the wooden plug can collapse to inside deformation, so make the leakproofness of pipeline descend, cause the risk of natural gas leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high leakproofness gas pipeline plugging device, it has the function that supports the inside wooden plug, plays the effect that reduces the inside deformation of wooden plug and collapses.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-sealing gas pipeline plugging device comprises a device body, wherein the device body comprises a wooden plug, the wooden plug is provided with a plug hole for plugging the shell, and also comprises a spring, a first supporting rod, a second supporting rod and a driving component, the length direction of the first supporting rod and the length direction of the second supporting rod are consistent with the length direction of the inserting hole, the first support rod and the second support rod are accommodated in the inserting hole, the spring is arranged between the first support rod and the second support rod, and the two ends of the spring are respectively connected with the first supporting rod and the second supporting rod, the spring is used for pushing the first supporting rod and the second supporting rod to support the two sides of the hole wall of the inserting hole, the driving component is used for driving the first supporting rod and the second supporting rod to be close to each other.

Through adopting above-mentioned technical scheme, through starting drive assembly, make and be close to each other between first bracing piece and the second bracing piece, stretch into first bracing piece and second bracing piece in the spliced eye this moment, loosen drive assembly, first bracing piece keeps away from each other with the second bracing piece under the spring action of spring, first bracing piece supports the pore wall both sides in the spliced eye respectively with the second bracing piece, so realize carrying out the function that supports to the cork is inside, play and reduce the inside deformation effect that collapses of cork.

The utility model discloses further set up to: the drive assembly comprises a first drive rod and a second drive rod, the middle of the first drive rod is hinged to the middle of the second drive rod, one end of the first drive rod is connected to the first support rod in a sliding mode, the other end of the first drive rod is hinged to the second support rod, one end of the second drive rod is connected to the second support rod in a sliding mode, and the other end of the second drive rod is hinged to the first support rod.

Through adopting above-mentioned technical scheme, the tip of first actuating lever slides on first bracing piece, and the tip of second actuating lever slides on the second bracing piece, so for first actuating lever and second actuating lever provide the degree of freedom of motion for fold each other between first actuating lever and the second actuating lever, fold the in-process, first actuating lever and second actuating lever drive and are close to each other between first bracing piece and the second bracing piece, so be convenient for place first bracing piece and second bracing piece in the spliced eye.

The utility model discloses further set up to: the end part of the first driving rod is rotatably connected with a first sliding block, a first sliding groove is formed in the first supporting rod, the first sliding block slides and abuts against the first sliding groove, the end part of the second driving rod is rotatably connected with a second sliding block, a second sliding groove is formed in the second driving rod, and the second sliding block slides and abuts against the second sliding groove.

By adopting the technical scheme, the first sliding block and the first sliding groove are arranged, so that the end part of the first driving rod is slid on the first supporting rod; set up second slider and second spout, realized sliding the tip of second actuating lever on the second bracing piece.

The utility model discloses further set up to: the first sliding block and the second sliding block respectively comprise a hinged portion and a sliding portion, the first driving rod is hinged to the hinged portion of the first sliding block, the second driving rod is hinged to the hinged portion of the second sliding block, the sliding portion of the first sliding block is in sliding butt joint with the first sliding groove, and the sliding portion of the second sliding block is in sliding connection with the second sliding groove.

Through adopting above-mentioned technical scheme, set up articulated portion on first slider and second slider for first actuating lever realizes rotating through articulated mode and connects on first slider, makes the second actuating lever realize rotating through articulated mode simultaneously and connects on the second slider.

The utility model discloses further set up to: the sliding parts of the first sliding block and the second sliding block are arranged in a T shape, and the first sliding groove and the second sliding groove are arranged in a T shape.

Through adopting above-mentioned technical scheme, the difficult pine that takes off when the portion of sliding of T font slides in first spout and second spout drops, has guaranteed the stability of first slider and second slider in the use.

The utility model discloses further set up to: the first driving rod is fixedly connected with a first holding rod, and the second driving rod is fixedly connected with a second holding rod.

Through adopting above-mentioned technical scheme, first holding pole and second holding pole play the effect of the drive power arm between extension first actuating lever and the second actuating lever, have saved required strength when driving first actuating lever and second actuating lever and fold each other, and the structure is practical.

The utility model discloses further set up to: the first support rod is fixedly connected with a first pressing plate, the second support rod is provided with a second pressing plate, and the first pressing plate and the second pressing plate are respectively abutted to the two sides of the insertion hole in a fit mode.

Through adopting above-mentioned technical scheme, first clamp plate plays the increase and supports the effect of area with the second clamp plate, has further promoted the supporting effect to the plug hole inner wall to further consolidate the support to the inside of wooden plug.

The utility model discloses further set up to: and friction bulges are arranged on the surfaces of one sides of the first pressing plate and the second pressing plate, which are abutted against the insertion holes.

Through adopting above-mentioned technical scheme, the friction on first clamp plate and second clamp plate surface has been increased to the friction arch for first clamp plate and second clamp plate are difficult for the removal of skidding when supporting the wooden plug.

To sum up, the utility model discloses a beneficial technological effect does:

1. the driving assembly is started, so that the first supporting rod and the second supporting rod are close to each other, the first supporting rod and the second supporting rod are inserted into the inserting hole at the moment, the driving assembly is loosened, the first supporting rod and the second supporting rod are far away from each other under the elastic action of the spring, and the first supporting rod and the second supporting rod respectively support two sides of the hole wall of the inserting hole, so that the function of supporting the interior of the wooden plug is realized, and the effect of reducing deformation and collapse of the interior of the wooden plug is achieved;

2. the first holding rod and the second holding rod save the force needed for driving the first driving rod and the second driving rod to be folded, and the structure is practical;

3. first clamp plate and second clamp plate play the increase and support the effect of area, have further promoted the supporting effect to the plug hole inner wall to further consolidate the support to the inside of wooden plug.

Drawings

Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of another perspective in a preferred embodiment of the present invention;

FIG. 4 is a schematic view of the assembly relationship in a preferred embodiment of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure, 1, an apparatus body; 2. a wooden plug; 21. inserting holes; 3. a skin pocket; 4. a spring; 5. a first support bar; 51. a first chute; 6. a second support bar; 61. a second chute; 7. a drive assembly; 71. a first drive lever; 711. through the hole; 72. a second drive lever; 8. a first platen; 9. a second platen; 10. a friction projection; 11. a first slider; 12. a second slider; 13. a hinge portion; 14. a sliding part; 15. a first holding rod; 16. a second holding rod.

Detailed Description

Referring to fig. 1, for the utility model discloses a high leakproofness gas pipeline plugging device, including device body 1, device body 1 includes parts such as casing, piston, pull rod, wooden plug 2, leather sheath, leather bag 3 and annular member, and wherein, connected mode and the mounting means between each part are prior art in device body 1, and it is no longer repeated here.

Referring to fig. 1 and 2, the apparatus body 1 further includes a spring 4, a first support bar 5, a second support bar 6, and a driving assembly 7.

The wood stopper 2 is provided with an inserting hole 21 for inserting the shell, the inserting hole 21 is in a circular hole shape, the length direction of the first supporting rod 5 and the length direction of the second supporting rod 6 are both consistent with the length direction of the inserting hole 21, and the first supporting rod 5 and the second supporting rod 6 are both accommodated in the inserting hole 21.

Spring 4 sets up between first bracing piece 5 and second bracing piece 6, and spring 4 is located one side that first bracing piece 5 and second bracing piece 6 are close to leather bag 3 between them, the both ends of spring 4 respectively with first bracing

piece

5 and 6 fixed connection of second bracing piece, welded fastening has first clamp plate 8 on the first bracing piece 5, welded fastening has second clamp plate 9 on the second bracing piece 6, first clamp plate 8 is located one side that second bracing piece 6 was kept away from to first bracing piece 5, second clamp plate 9 is located one side that first bracing piece 5 was kept away from to second bracing piece 6, in addition, the shape of first clamp plate 8 and second clamp plate 9 is circular-arc setting, so with the pore wall shape looks adaptation of spliced eye 21. Spring 4 exerts the elasticity of keeping away from each other respectively to first bracing piece 5 and second bracing piece 6, spring 4 is used for promoting first bracing piece 5 and second bracing piece 6 and supports the pore wall both sides of spliced hole 21, a side surface that second bracing piece 6 was kept away from to first clamp plate 8 and second clamp plate 9 this moment is laminated the butt with the both sides of spliced hole 21 pore wall respectively, so realize the support to spliced hole 21, promote the inside structural strength of 2 wooden plugs.

Further, the first pressing plate 8 and the second pressing plate 9 are provided with friction protrusions 10 on the surfaces of one side abutted to the hole wall of the insertion hole 21, preferably, the friction protrusions 10 are integrally formed with the first pressing plate 8 and the second pressing plate 9, and the friction protrusions 10 increase the friction force on the surfaces of the first pressing plate 8 and the second pressing plate 9, so that the first pressing plate 8 and the second pressing plate 9 are not easy to slip and move when supporting the wood stopper 2.

To ensure that the elastic force of the spring 4 can stably support the first support bar 5 and the second support bar 6, when the spring 4 is in a natural state, the distance between the first pressure plate 8 and the second pressure plate 9 is larger than the aperture of the inserting hole 21, in the process of installing the first support rod 5, the first pressing plate 8, the second support rod 6 and the second pressing plate 9 in the inserting hole 21, an external force needs to be applied to the first pressing plate 8 and the second pressing plate 9 in advance, so that the distance between the first pressing plate 8 and the second pressing plate 9 is smaller than the distance between the inserting holes 21, the first pressing plate 8, the second pressing plate 9, the first supporting rod 5, the second supporting rod 6 and the spring 4 are placed in the inserting holes 21, the first pressing plate 8 and the second pressing plate 9 are loosened immediately, the first pressing plate 8 and the second pressing plate 9 are abutted to the hole wall of the inserting holes 21 under the elastic force action of the spring 4, and the wood stopper 2 is supported in this way.

Referring to fig. 2 and 3, the driving assembly 7 is disposed between the first support bar 5 and the second support bar 6, and the driving assembly 7 is used for driving the first support bar 5 and the second support bar 6 to approach each other. Specifically, the driving assembly 7 includes a first driving rod 71 and a second driving rod 72, a through hole 711 for the second driving rod 72 to penetrate through is formed in the middle of the first driving rod 71, after the second driving rod 72 penetrates through the through hole 711, the middle of the first driving rod 71 and the middle of the second driving rod 72 are hinged to each other through a pin, the first driving rod 71 and the second driving rod 72 are in an X shape at this time, and the first driving rod 71 and the second driving rod 72 can be rotated to be closed and opened.

Referring to fig. 4 and 5, a first slider 11 is disposed at one end of a first driving lever 71, the first slider 11 includes a hinge portion 13 and a sliding portion 14, the sliding portion 14 of the first slider 11 is disposed in a T-shape, the first driving lever 71 is hinged to the hinge portion 13 of the first slider 11, so that the end of the first driving rod 71 is rotatably connected to the first sliding block 11, the first supporting rod 5 is provided with a first sliding slot 51 (see fig. 3), the length direction of the first sliding slot 51 is consistent with the length direction of the first supporting rod 5, the cross section of the first sliding slot 51 is arranged in a T shape, the first sliding slot 51 is positioned at one end of the first supporting rod 5 close to the leather bag 3 (see fig. 1), the sliding part 14 of the first sliding block 11 is slidably abutted in the first sliding slot 51, thus, the first sliding block 11 is slidably abutted to the first sliding slot 51, and one end of the first driving rod 71 is slidably connected to the first supporting rod 5. In addition, the other end of the first driving rod 71, which is far away from the first slider 11, is hinged to the second supporting rod 6, and when the first driving rod 71 is hinged, the hinge is arranged at the end, which is far away from the leather bag 3, of the second supporting rod 6, so that the first driving rod 71 is hinged in the hinge, and the hinged installation of the first driving rod 71 is realized.

Referring to fig. 4, one end of the second driving lever 72 is provided with a second slider 12, the second slider 12 includes a hinge portion 13 and a sliding portion 14, the shape of the second slider 12 is identical to the shape of the first slider 11, the second driving lever 72 is hinged to the hinge portion 13 of the second slider 12, so that the end of the second driving rod 72 is rotatably connected to the second sliding block 12, the second supporting rod 6 is provided with a second sliding groove 61, the length direction of the second sliding groove 61 is consistent with the length direction of the second supporting rod 6, the section of the second sliding groove 61 is arranged in a T shape, the second sliding groove 61 is positioned at one end of the second supporting rod 6 close to the leather bag 3, the sliding part 14 of the second sliding block 12 is slidably abutted in the second sliding groove 61, thus, the second sliding block 12 is slidably abutted to the second sliding slot 61, and one end of the second driving rod 72 is slidably connected to the second supporting rod 6. In addition, the other end of the second driving rod 72, which is far away from the second slider 12, is hinged to the first supporting rod 5, and when the second driving rod 72 is hinged, the hinge is arranged at the end, which is far away from the leather bag 3, of the first supporting rod 5, so that the second driving rod 72 is hinged, and therefore the hinged installation of the second driving rod 72 is realized.

Further, a first holding rod 15 is arranged on the first driving rod 71, and one end of the first holding rod 15 is welded and fixed to one end, away from the first slider 11, of the first driving rod 71; the second driving rod 72 is provided with a second holding rod 16, one end of the second holding rod 16 is welded and fixed to one end, far away from the second slider 12, of the second driving rod 72, and the first holding rod 15 and the second holding rod 16 play a role in extending a driving force arm between the first driving rod 71 and the second driving rod 72, so that the force required for driving the first driving rod 71 and the second driving rod 72 to be folded mutually is saved.

The end of the first driving rod 71 slides on the first supporting rod 5, and the end of the second driving rod 72 slides on the second supporting rod 6, so as to provide a degree of freedom for the first driving rod 71 and the second driving rod 72 to enable the first driving rod 71 and the second driving rod 72 to be folded, and in the folding process, the first driving rod 71 and the second driving rod 72 drive the first supporting rod 5 and the second supporting rod 6 to approach each other, so as to place the first supporting rod 5 and the second supporting rod 6 in the inserting hole 21.

The implementation principle of the embodiment is as follows: through holding first holding rod 15 and second holding rod 16, make and draw close each other between first holding rod 15 and the second holding rod 16, under the effect of first actuating lever 71 and second actuating lever 72, be close to each other between first bracing piece 5 and the second bracing piece 6, stretch into first bracing piece 5 and second bracing piece 6 in spliced eye 21 this moment, loosen drive assembly 7, first bracing piece 5 keeps away from each other with second bracing piece 6 under the spring action of spring 4, first clamp plate 8 and second clamp plate 9 support the pore wall both sides of spliced eye 21 respectively, so realize carrying out the function that supports to the inside of cork 2, play and reduce the inside effect that collapses of deformation of cork 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high leakproofness gas pipeline plugging device, includes device body (1), device body (1) includes wooden plug (2), be provided with spliced eye (21) that are used for supplying the casing to peg graft on wooden plug (2), its characterized in that: also comprises a spring (4), a first supporting rod (5), a second supporting rod (6) and a driving component (7), the length direction of the first supporting rod (5) and the length direction of the second supporting rod (6) are consistent with the length direction of the inserting hole (21), the first supporting rod (5) and the second supporting rod (6) are both accommodated in the inserting hole (21), the spring (4) is arranged between the first supporting rod (5) and the second supporting rod (6), and both ends of the spring (4) are respectively connected with the first supporting rod (5) and the second supporting rod (6), the spring (4) is used for pushing the first supporting rod (5) and the second supporting rod (6) to support two sides of the hole wall of the inserting hole (21), the driving component (7) is used for driving the first supporting rod (5) and the second supporting rod (6) to be close to each other.

2. The high-sealing-performance gas pipeline plugging device according to claim 1, wherein: the driving assembly (7) comprises a first driving rod (71) and a second driving rod (72), the middle of the first driving rod (71) is hinged to the middle of the second driving rod (72), one end of the first driving rod (71) is connected to the first supporting rod (5) in a sliding mode, the other end of the first driving rod (71) is hinged to the second supporting rod (6), one end of the second driving rod (72) is connected to the second supporting rod (6) in a sliding mode, and the other end of the second driving rod (72) is hinged to the first supporting rod (5).

3. The high-sealing-performance gas pipeline plugging device according to claim 2, wherein: the tip of first actuating lever (71) rotates and is connected with first slider (11), be provided with first spout (51) on first bracing piece (5), first slider (11) slide the butt in first spout (51), the tip of second actuating lever (72) rotates and is connected with second slider (12), be provided with second spout (61) on second actuating lever (72), second slider (12) slide the butt in second spout (61).

4. The high-sealing-performance gas pipeline plugging device according to claim 3, wherein: the first sliding block (11) and the second sliding block (12) respectively comprise a hinge portion (13) and a sliding portion (14), the first driving rod (71) is hinged to the hinge portion (13) of the first sliding block (11), the second driving rod (72) is hinged to the hinge portion (13) of the second sliding block (12), the sliding portion (14) of the first sliding block (11) is in sliding contact with the first sliding groove (51), and the sliding portion (14) of the second sliding block (12) is in sliding connection with the second sliding groove (61).

5. The high-sealing-performance gas pipeline plugging device according to claim 4, wherein: the sliding parts (14) of the first sliding block (11) and the second sliding block (12) are arranged in a T shape, and the first sliding groove (51) and the second sliding groove (61) are arranged in a T shape.

6. The high-sealing-performance gas pipeline plugging device according to claim 2, wherein: the first driving rod (71) is fixedly connected with a first holding rod (15), and the second driving rod (72) is fixedly connected with a second holding rod (16).

7. The high-sealing-performance gas pipeline plugging device according to claim 1, wherein: the support structure is characterized in that a first pressing plate (8) is fixedly connected to the first supporting rod (5), a second pressing plate (9) is arranged on the second supporting rod (6), and the first pressing plate (8) and the second pressing plate (9) are respectively abutted to two sides of the inserting hole (21) in a fit mode.

8. The high-sealing-performance gas pipeline plugging device according to claim 7, wherein: and friction bulges (10) are arranged on the surfaces of one sides of the first pressing plate (8) and the second pressing plate (9) which are abutted with the inserting holes (21).