Pipeline blocking device

Abstract

The utility model provides a pipeline blocking device, which relates to the technical field of pipe blocking, and comprises a base, which comprises an annular part and a cylindrical part with one end connected to the inner circumference of the annular part; the sliding sleeve is arranged on the periphery of the cylindrical part in a sliding and sleeving manner; the cover plate is rotatably arranged on the periphery of the cylindrical part in a sleeving mode and connected with the sliding sleeve through a pushing structure, and when the cover plate rotates, the sliding sleeve can be pushed through the pushing structure to slide in the direction close to the annular part; the multiple push plates slide in the circumferential direction, are uniformly distributed on the periphery of the sliding sleeve and are connected with the sliding sleeve through a transmission structure, and when the sliding sleeve slides in the direction close to the annular part, the push plates can slide outwards in the radial direction through the transmission structure; the first sealing ring is arranged on the peripheries of the plurality of push plates in a sleeving manner; the blocking plate is detachably arranged in the cylindrical part; and the use convenience and economy are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe plug technical field, more specifically, relate to a kind of plugging device of pipeline. BACKGROUND

[0002] Pipe plug is a kind of pipeline end fittings, and adding pipe plug at the end of pipeline is to reserve the interface of pipeline for later use, and the end of pipeline is closed by pipe plug. Currently commonly used pipe plug includes threaded type and air bag type, and threaded type pipe plug needs to be pre-processed with threads on the pipeline, which has low universality. Air bag type pipe plug has short service life and is easy to be scratched. SUMMARY

[0003] The utility model aims at the deficiency in prior art, and provides a kind of plugging device of pipeline, to improve the convenience and economy of use.

[0004] To achieve the above object, the utility model provides a kind of plugging device of pipeline, comprising:

[0005] Base, the base includes annular part and the cylindrical part connected to the inner circumferential of the annular part;

[0006] Sliding sleeve, the sliding sleeve is slidably sleeved on the outer circumferential of the cylindrical part;

[0007] Cover plate, the cover plate is rotatably sleeved on the outer circumferential of the cylindrical part, and is connected with the sliding sleeve by pushing structure, and the cover plate can be pushed to the sliding sleeve by the pushing structure when rotating in the direction close to the annular part;

[0008] Multiple push plates, multiple the push plate is evenly distributed on the outer circumferential of the sliding sleeve along the circumferential direction, and is connected with the sliding sleeve by transmission structure, and the push plate can be slid outward along the radial direction by the transmission structure when the sliding sleeve slides in the direction close to the annular part;

[0009] First sealing ring, the first sealing ring is sleeved on the outer circumferential of multiple push plates;

[0010] Blocking plate, the blocking plate is detachably arranged in the cylindrical part.

[0011] Optionally, the cover plate is provided with at least two long waist holes with circular arc-shaped axis, the cover plate is connected with the base by bolt and nut, and the bolt is slidably arranged in the long waist hole.

[0012] Optionally, the pushing structure comprises:

[0013] First protruding part, arranged on the outer circumferential of the sliding sleeve, the first protruding part is strip-shaped and extends along the axial direction of the sliding sleeve;

[0014] Second protruding part, be provided in the side of the cover plate close to the base, the second protruding part is matched with the first protruding part through the slope, can push the sliding sleeve towards the direction of the annular part.

[0015] Optionally, the transmission structure comprises a connecting rod, two ends of the connecting rod are hingedly connected with the sliding sleeve and the push plate respectively, and the connecting rod is obliquely arranged between the sliding sleeve and the push plate.

[0016] Optionally, the push plate comprises a circular-arc main body and a fan-shaped guide portion connected to a lower end of the main body, the guide portion is provided with a guide hole, and the guide hole is a long-nose hole extending in a radial direction.

[0017] Optionally, each guide portion is provided with at least two guide holes, and the at least two guide holes are arranged at intervals.

[0018] Optionally, the first sealing ring is cylindrical.

[0019] Optionally, the outer periphery of the blocking plate is provided with a second sealing ring.

[0020] Optionally, one side of the blocking plate is provided with an outwardly protruding handle.

[0021] The pipe blocking device has the advantages that the sliding sleeve is limited in sliding by the cylindrical portion of the base, so that the sliding sleeve can slide along the axial direction of the cylindrical portion under the pushing of the pushing structure when the cover plate rotates, the axial movement of the sliding sleeve is converted into the radial movement of the push plate by the transmission structure when the sliding sleeve slides, the push plate slides radially outward along the cylindrical portion, the effect of outward expansion is achieved, the first sealing ring can be pushed outward, the sealing connection with the inner wall of the pipe is achieved by the first sealing ring, the pipe is blocked, the middle part of the cylindrical portion can be opened due to the detachable arrangement of the blocking plate, so that the cable or other articles can be conveniently inserted, and after the pipe blocking device is put into the pipe, the sealing connection with the inner wall of the pipe can be achieved by the first sealing ring only by rotating the cover plate, the operation is very convenient, the pipe blocking device is convenient to disassemble and reuse, and has a long service life.

[0022] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views, and wherein the same reference numbers and letters indicate corresponding parts throughout the several views.

[0024] Figure 1 Fig. 1 shows a front structure schematic diagram of a pipeline plugging device according to an embodiment of the present application.

[0025] Figure 2 Fig. 2 shows a A-direction sectional structure schematic diagram of the pipeline plugging device. Figure 1

[0026] Figure 3 Fig. 3 shows a C-direction sectional structure schematic diagram of the pipeline plugging device. Figure 1

[0027] Figure 4 Fig. 4 shows an internal structure schematic diagram of a pipeline plugging device according to an embodiment of the present application.

[0028] Figure 5 Fig. 5 shows a structure schematic diagram of a bottom plate of a pipeline plugging device according to an embodiment of the present application.

[0029] Figure 6 Fig. 6 shows a structure schematic diagram of a sliding sleeve of a pipeline plugging device according to an embodiment of the present application.

[0030] Figure 7 Fig. 7 shows a structure schematic diagram of a push plate of a pipeline plugging device according to an embodiment of the present application.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1, annular part; 2, cylindrical part; 3, sliding sleeve; 4, cover plate; 5, push plate; 6, first sealing ring; 7, plugging plate; 8, bolt; 9, nut; 10, first protruding part; 11, second protruding part; 12, connecting rod; 13, main body part; 14, guide part; 15, guide hole; 16, through hole; 17, screw hole; 18, second sealing ring; 19, handle. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application is more complete and complete, and the scope of the present application is fully conveyed to those skilled in the art.

[0034] As shown in Figures 1 to 7 , the present application provides a pipeline plugging device, comprising:

[0035] a base, the base comprising an annular part 1 and a cylindrical part 2 connected to the inner circumferential of the annular part 1 at one end;

[0036] ​​A sliding sleeve 3 is sleeved on the outer periphery of the cylindrical portion 2;

[0037] A cover plate 4 is rotatably sleeved on the outer periphery of the cylindrical portion 2 and is connected with the sliding sleeve 3 through a pushing structure, and the cover plate 4 can push the sliding sleeve 3 to slide towards the annular portion 1 through the pushing structure when the cover plate 4 rotates;

[0038] A plurality of push plates 5 are circumferentially and uniformly distributed on the outer periphery of the sliding sleeve and are connected with the sliding sleeve 3 through a transmission structure, and the push plates 5 can slide radially outward through the transmission structure when the sliding sleeve 3 slides towards the annular portion 1;

[0039] A first sealing ring 6 is sleeved on the outer periphery of the plurality of push plates 5;

[0040] A blocking plate 7 is detachably arranged in the cylindrical portion 2.

[0041] Specifically, the pipe blocking device provided by the utility model can limit the sliding of the sliding sleeve 3 through the cylindrical portion 2 of the base, so that the sliding sleeve 3 can slide along the axial direction of the cylindrical portion 2 through the pushing of the pushing structure when the cover plate 4 rotates, and the axial movement of the sliding sleeve 3 is converted into the radial movement of the push plates 5 through the transmission structure along with the sliding of the sliding sleeve 3, so that the push plates 5 slide radially outward along the cylindrical portion 2, the effect of outward expansion is realized, the first sealing ring 6 can be pushed outward, the sealing connection with the inner wall of the pipe is realized through the first sealing ring 6, the pipe is blocked, the middle part of the cylindrical portion 2 can be opened due to the detachable arrangement of the blocking plate 7, so that the cable or other articles can be conveniently inserted, and after the pipe blocking device is put into the pipe, the sealing connection with the inner wall of the pipe can be realized through the first sealing ring 6 only by rotating the cover plate 4, the operation is very convenient, the pipe blocking device can be conveniently disassembled and reused, and the service life is long.

[0042] Optionally, the cover plate 4 is provided with at least two long waist holes with circular arc-shaped axes, the cover plate 4 is connected with the base through bolts 8 and nuts 9, and the bolts 8 are slidingly arranged in the long waist holes.

[0043] Specifically, the cover plate 4 is connected with the base through the bolts 8 and the nuts 9, the screwing amount of the nuts 9 can be controlled according to needs, the nuts 9 can be selected to be loosened, the screwing amount can be conveniently controlled, the cover plate 4 can rotate due to the arrangement of the long waist holes with circular arc-shaped axes, and the sliding sleeve 3 can be pushed to move along the axial direction of the cylindrical portion 2 through the pushing structure.

[0044] Optionally, the pushing structure comprises:

[0045] A first protruding portion 10 is arranged on the outer periphery of the sliding sleeve 3, and the first protruding portion 10 is a strip extending along the axial direction of the sliding sleeve 3;

[0046] The second protruding part 11 is arranged on the side of the cover plate 4 close to the base, and the second protruding part 11 is matched with the first protruding part 10 through the slope, and can push the sliding sleeve 3 towards the direction of the annular part 1.

[0047] Specifically, the cover plate 4 can drive the second protruding part 11 to rotate, and the second protruding part 11 can contact the first protruding part 10 through the slope when rotating, and push the first protruding part 10 and the sliding sleeve 3 to move.

[0048] In the embodiment, two second protruding parts 11 are arranged symmetrically, and the second protruding part 11 is rounded.

[0049] In the embodiment, six first protruding parts 10 are arranged, and the six first protruding parts 10 are uniformly distributed along the outer periphery of the sliding sleeve 3, and two of the first protruding parts 10 are matched with the second protruding part 11, and the two first protruding parts 10 matched with the second protruding part 11 are provided with slopes on two corners.

[0050] Optionally, the transmission structure comprises a connecting rod 12, both ends of the connecting rod 12 are hingedly connected with the sliding sleeve 3 and the push plate 5 respectively, and the connecting rod 12 is arranged obliquely between the sliding sleeve 3 and the push plate 5.

[0051] Specifically, when the sliding sleeve 3 moves axially along the cylindrical part 2, the obliquely arranged connecting rod 12 gradually approaches to be perpendicular to the sliding sleeve 3 and the push plate 5, so that the push plate 5 moves radially outward along the cylindrical part 2, and forms an outwardly expanding state.

[0052] In the embodiment, the connecting rod 12 is hingedly connected with the six first protruding parts 10.

[0053] Optionally, the push plate 5 comprises a circular-arc-shaped main body part 13 and a fan-shaped guide part 14 connected to the lower end of the main body part 13, the guide part 14 is provided with a guide hole 15, the guide hole 15 is an elongated hole extending along the radial direction, and a guide screw passes through the guide hole 15 and is connected with the annular part 1.

[0054] Specifically, the push plate 5 is guided by the elongated hole extending along the radial direction of the cylindrical part 2 and the guide screw, so that it moves along the radial direction of the cylindrical part 2, and the circular-arc-shaped main body part 13 pushes the first sealing ring 6 outward, so that the first sealing ring 6 expands outward.

[0055] In the embodiment, the base plate is provided with a through hole 16 and a screw hole 17, the bolt 8 passes through the through hole 16, and the guide screw is installed in the screw hole 17.

[0056] Optionally, each guide part 14 is provided with at least two guide holes 15, and the at least two guide holes 15 are arranged at intervals.

[0057] Specifically, to ensure the guiding effect, at least two guiding holes 15 are arranged on each guiding part 14.

[0058] Optionally, the first sealing ring 6 is cylindrical.

[0059] Specifically, the first sealing ring 6 is cylindrical and wrapped outside the main body part 13 of the push plate 5, which can be pressed on the inner wall of the pipeline by the outward expansion of the push plate 5, thereby playing the role of fixation and plugging.

[0060] Optionally, the outer periphery of the blocking plate 7 is provided with a second sealing ring 18.

[0061] Specifically, the second sealing ring 18 is C-shaped in cross section and is sleeved on the outer periphery of the blocking plate 7, thereby achieving the sealed connection between the blocking plate 7 and the cylindrical part 2.

[0062] Optionally, one side of the blocking plate 7 is provided with an outwardly protruding handle 19.

[0063] Specifically, the handle 19 is arranged to facilitate the gripping, the installation and the dismounting of the blocking plate 7.

[0064] In the embodiment, the handle 19 is long strip-shaped.

[0065] The above has described the embodiments of the present application, and the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A pipe blocking device, characterized in that: include: a base, the base comprising an annular portion and a cylindrical portion having one end connected to an inner circumference of the annular portion; a sliding sleeve, the sliding sleeve being slidably mounted on the outer periphery of the cylindrical portion; a cover plate rotatably sleeved on the outer periphery of the cylindrical portion and connected to the sliding sleeve via a pushing structure, so that when the cover plate rotates, the sliding sleeve can be pushed by the pushing structure to slide toward the annular portion; a plurality of push plates, each of which is uniformly distributed on the outer periphery of the sliding sleeve and slides circumferentially, and is connected to the sliding sleeve via a transmission structure, so that when the sliding sleeve slides in a direction close to the annular portion, the push plates can be caused to slide radially outward by the transmission structure; a first sealing ring, wherein the first sealing ring is sleeved on the outer periphery of the plurality of push plates; A blocking plate is detachably arranged in the cylindrical portion.

2. The pipe blocking device according to claim 1, characterized in that: The cover plate is provided with at least two long waist holes with arc-shaped axes. The cover plate is connected to the base through bolts and nuts, and the bolts are slidably arranged in the long waist holes.

3. The pipe blocking device according to claim 1, characterized in that: The propulsion structure comprises: a first protrusion, provided on the outer periphery of the sliding sleeve, wherein the first protrusion is in the shape of a strip extending axially along the sliding sleeve; The second protrusion is arranged on a side of the cover plate close to the base. The second protrusion cooperates with the first protrusion via an inclined surface to push the sliding sleeve toward the annular portion.

4. The pipe blocking device according to claim 1, characterized in that: The transmission structure includes a connecting rod, both ends of which are hinged to the sliding sleeve and the push plate respectively, and the connecting rod is tiltedly arranged between the sliding sleeve and the push plate.

5. The pipe blocking device according to claim 1, characterized in that: The push plate includes an arc-shaped main body and a fan-shaped guide part connected to the lower end of the main body. The guide part is provided with a guide hole, which is a long waist hole extending radially. The guide screw passes through the guide hole and is connected to the annular part.

6. The pipe blocking device according to claim 5, characterized in that: Each of the guide parts is provided with at least two guide holes, and the at least two guide holes are arranged at intervals.

7. The pipeline blocking device according to claim 1, characterized in that: The first sealing ring is cylindrical.

8. The pipe blocking device according to claim 1, characterized in that: A second sealing ring is provided on the outer periphery of the blocking plate.

9. The pipe blocking device according to claim 1, characterized in that: A handle protruding outward is provided on one side of the blocking plate.

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