Pipeline point type plugging device

Abstract

The utility model discloses a pipeline point type plugging device which comprises a crank, the outer surface of the crank is fixedly connected with a straight gear, the inner surface of the straight gear is fixedly connected with a screw rod, the outer surface of the screw rod is fixedly connected with the outer surface of a conical block, the outer surface of a first slip is fixedly connected with a positioning block, and the outer surface of the first slip is fixedly connected with a second slip. The utility model relates to the technical field of pipelines. According to the pipeline plugging device, the frame is arranged, a crank is manually rotated, the crank drives a straight gear to rotate, the straight gear drives a screw rod to rotate, the screw rod drives a conical block to move downwards together and make contact with a positioning block, the positioning block drives a first slip to move, meanwhile, the straight gear drives a driven gear to rotate, and the driven gear drives a lead screw to move downwards together; the second slip and the first slip are buckled together through the pin shaft, the pipe is further supported and fixed through the frame, the frame and the air bag device are used in cooperation, the pipeline is fixed, the plugging effect is improved, and the plugging purpose is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipelines, in particular to a pipeline point-type plugging device. Background Art

[0002] As the name suggests, the pipeline plugging device is used to seal and plug the end of the pipeline. The pipeline plugging device not only needs to have a high sealing strength but also needs to have a quick installation function.

[0003] In the prior art, for example, a pipeline plugging device with a Chinese patent announcement number of CN212319154U includes a plugging plug, a plugging base connected to the plugging plug, an annular sealing groove is provided on the surface of the plugging base, a plurality of threaded holes arranged in an annular pattern are provided on the plugging base, the threaded holes penetrate the plugging base and communicate with the bottom of the annular sealing groove, a first annular sealing ring is fixedly installed on the inner wall of the annular sealing groove, and a second annular sealing ring is fixedly installed on the outer wall of the annular sealing groove; the plugging plug extends into the port of the pipeline, the end of the pipeline extends into the annular sealing groove of the plugging base, the first annular sealing ring contacts and seals the inner wall of the pipeline, and the second annular sealing ring contacts and seals the outer wall of the pipeline; a plurality of fixed threaded holes are provided on the end face of the pipeline end, screws are inserted into the threaded holes on the plugging base, the ends of the screws extend from the bottom of the annular sealing groove into the fixed threaded holes on the end face of the pipeline, and the pipeline end and the plugging base are fixedly connected by screws. The efficient sealing of the pipeline is ensured.

[0004] However, in the prior art, when the traditional pipeline plugging device is used, the plugging device may fall off due to insufficient plugging strength, resulting in leakage of materials in the pipeline; and the sealing performance of the plugging device is poor, resulting in leakage of materials in the pipeline; when the traditional plugging device faces an irregular leakage hole, the plugging effect is poor, further resulting in leakage of materials in the pipeline. Utility Model Content

[0005] In view of the deficiencies in the prior art, the technical solution adopted by the utility model to solve the technical problems is: a pipeline point plugging device, comprising a crank handle, the outer surface of the crank handle is fixedly connected to a spur gear, the inner surface of the spur gear is fixedly connected to a screw, the bottom of the spur gear is provided with a conical block, the outer surface of the screw is fixedly connected to the outer surface of the conical block, the bottom of the screw is provided with a first slip, the outer surface of the first slip is fixedly connected to a positioning block, the outer surface of the positioning block is slidingly connected to the outer surface of the conical block, and by manually turning the crank handle, the crank handle drives the spur gear to rotate, the spur gear drives the screw to rotate, the screw drives the conical block to move downward together, the positioning blocks are in contact, and the positioning block drives the first slip to move.

[0006] Preferably, a second cava is provided at the bottom of the first cava, the inner surface of the second cava is slidably connected with a pin, the outer surface of the pin is fixedly connected to the inner surface of the first cava, the outer surface of the first cava is fixedly connected with a tube, the outer surface of the tube is fixedly connected to the outer surface of the second cava, and the second cava is buckled together with the first cava by the pin.

[0007] Preferably, a frame is provided on the outside of the tube, the outer surface of the frame is fixedly connected to the outer surface of the second cava, the inner surface of the second cava is fixedly connected to an airbag device, the outer surface of the airbag device is fixedly connected to the inner surface of the tube, and the tube is further supported and fixed by the frame.

[0008] Preferably, a frame is provided at the bottom of the spur gear, and the inner surface of the frame is threadedly connected to the outer surface of the screw, the inner surface of the first cava is threadedly connected to a screw, and the outer surface of the screw is rotatably connected to the inner surface of the frame, and a slave gear is provided at the top of the frame, and the inner surface of the slave gear is fixedly connected to the outer surface of the screw, and the outer surface of the slave gear is meshed with the outer surface of the spur gear. The spur gear drives the slave gear to rotate, and the slave gear drives the screw to move upward together, the screw drives the first cava to move downward, and the screw drives the second cava to move upward, and the threads between the first cava and the second cava are also reverse, so that the first cava and the second cava can move towards each other.

[0009] Preferably, the airbag device includes a rubber airbag, the outer surface of the rubber airbag is fixedly connected to the inner surface of the tube, and the rubber airbag is located inside the tube, the inner surface of the rubber airbag is fixedly connected to a pressure plate, the inner surface of the pressure plate is fixedly connected to a mounting tube, and the pressure plate is located inside the rubber airbag, the tube is blocked by the rubber airbag in the airbag device, and the air is discharged into the interior of the rubber airbag through the air pipe in the mounting tube through the valve nozzle.

[0010] Preferably, the outer surface of the mounting tube is fixedly connected to a valve nozzle, the top of the valve nozzle is provided with an exhaust pipe, the outer surface of the exhaust pipe is fixedly connected to the inner surface of the mounting tube, and the exhaust pipe is located inside the mounting tube, the inner surface of the exhaust pipe is threadedly connected to a screw, and the screw is located inside the exhaust pipe, the outer surface of the tube is fixedly connected to a pressing block, and the pressing blocks are symmetrically installed on both sides of the mounting tube; the inner surface of the pressing block is threadedly connected to a bolt, and the outer surface of the bolt is fixedly connected to a hand wheel, the mounting tube is limited by the pressing plate, and finally the screw is turned to exhaust air through the exhaust pipe in the mounting tube, the bolt is rotated in the pressing block by rotating the handwheel, and the airbag device is further fixed by the pressing block.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The utility model sets a frame, and manually rotates a crank, so that the crank drives the spur gear to rotate, the spur gear drives the screw to rotate, the screw drives the conical block to move downward together, contacts the positioning block, and the positioning block drives the first slip to move. At the same time, the spur gear drives the slave gear to rotate, and the slave gear drives the screw to move downward together, and the second slip is buckled with the first slip through the pin shaft. The pipe is further supported and fixed by the frame, and the frame is used in conjunction with the airbag device to fix the pipeline, thereby improving the blocking effect, enhancing the sealing performance, and solving the problem of poor sealing performance of traditional blocking devices.

[0013] 2. The utility model provides an airbag device, and seals the tube through the rubber airbag in the airbag device, and discharges air into the rubber airbag through the air pipe in the mounting tube through the valve nozzle, and limits the mounting tube through the pressure plate, and finally, exhausts air through the exhaust pipe in the mounting tube by turning the screw, and the bolt rotates in the pressure block by turning the hand wheel, and the airbag device is further fixed by the pressure block, and when the leakage hole is irregular, the rubber airbag is used to seal the leakage hole, thereby improving the sealing effect of the sealing device and solving the problem that the traditional sealing device has poor sealing effect when the leakage hole is irregular. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the airbag device of the utility model;

[0017] Figure 4 It is a structural schematic diagram of A of the utility model.

[0018] In the figure: 1. crank; 2. spur gear; 3. screw; 4. conical block; 5. positioning block; 6. first slip; 7. second slip; 8. pin; 9. pipe; 10. frame; 11. airbag device; 12. follower gear; 13. screw; 14. rubber airbag; 15. pressure plate; 16. mounting tube; 17. valve; 18. exhaust pipe; 19. screw; 20. pressure block; 21. bolt; 22. handwheel. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes. Example

[0020] See also Figure 1 - Figure 4 The utility model provides a technical solution: a pipeline point plugging device, comprising a crank 1, the outer surface of the crank 1 is fixedly connected with a spur gear 2, the inner surface of the spur gear 2 is fixedly connected with a screw 3, the bottom of the spur gear 2 is provided with a conical block 4, the outer surface of the screw 3 is fixedly connected to the outer surface of the conical block 4, the bottom of the screw 3 is provided with a first slip 6, the outer surface of the first slip 6 is fixedly connected with a positioning block 5, the outer surface of the positioning block 5 is slidably connected to the outer surface of the conical block 4, the bottom of the first slip 6 is provided with a second slip 7, the inner surface of the second slip 7 is slidably connected with a pin 8, the outer surface of the pin 8 is fixedly connected to the inner surface of the first slip 6, the outer surface of the first slip 6 is fixedly connected with a pipe 9, the outer surface of the pipe 9 is fixedly connected to the outer surface of the second slip 7, a frame 10 is provided outside the pipe 9, the outer surface of the frame 10 is fixedly connected to the outer surface of the second slip 7, the inner surface of the second slip 7 is fixedly connected with an airbag device 11, and the outer surface of the airbag device 11 is fixedly connected to the inner surface of the pipe 9.

[0021] A frame 10 is provided at the bottom of the spur gear 2, the inner surface of the frame 10 is threadedly connected to the outer surface of the screw 3, the inner surface of the first slip 6 is threadedly connected to the screw 13, the outer surface of the screw 13 is rotatably connected to the inner surface of the frame 10, and a slave gear 12 is provided at the top of the frame 10, the inner surface of the slave gear 12 is fixedly connected to the outer surface of the screw 13, the outer surface of the slave gear 12 is meshed with the outer surface of the spur gear 2, and the airbag device 11 includes a rubber airbag 14, the outer surface of the rubber airbag 14 is fixedly connected to the inner surface of the tube 9, and the rubber airbag 14 Located inside the tube 9, the inner surface of the rubber airbag 14 is fixedly connected with a pressure plate 15, the inner surface of the pressure plate 15 is fixedly connected with a mounting tube 16, and the pressure plate 15 is located inside the rubber airbag 14, the outer surface of the mounting tube 16 is fixedly connected with a valve 17, the top of the valve 17 is provided with an exhaust pipe 18, the outer surface of the exhaust pipe 18 is fixedly connected to the inner surface of the mounting tube 16, and the exhaust pipe 18 is located inside the mounting tube 16, the inner surface of the exhaust pipe 18 is threadedly connected with a screw 19, and the screw 19 is located inside the exhaust pipe 18, the outer surface of the tube 9 is fixedly connected with a pressure block 20, and the pressure blocks 20 are symmetrically installed on both sides of the mounting tube, the inner surface of the pressure block 20 is threadedly connected with a bolt 21, and the outer surface of the bolt 21 is fixedly connected with a handwheel 22.

[0022] Working principle:

[0023] When in use, by manually rotating the crank 1, the crank 1 drives the spur gear 2 to rotate, the spur gear 2 drives the screw rod 3 to rotate, the screw rod 3 drives the conical block 4 to move downward together, the positioning block 5 is in contact, the positioning block 5 drives the first slip 6 to move downward, and at the same time, the spur gear 2 drives the slave gear 12 to rotate, the screw rod 3 adopts a reverse thread relative to the lead screw 13, the lead screw 13 drives the first slip 6 to move downward, the lead screw 13 drives the second slip 7 to move upward, the thread between the first slip 6 and the second slip 7 is also reversed, so that the first slip 6 and the second slip 7 move toward each other, the slave gear 12 drives the screw rod 13 to move upward together, the second slip 7 is buckled with the first slip 6 through the pin 8, and the pipe 9 is further supported and fixed by the frame 10;

[0024] The tube 9 is blocked by the rubber airbag 14 in the airbag device 11, and the air is discharged into the rubber airbag 14 through the air pipe in the mounting tube 16 through the valve 17. The mounting tube 16 is limited by the pressure plate 15. Finally, the screw 19 is turned to exhaust through the exhaust pipe 18 in the mounting tube 16, and the bolt 21 is rotated in the pressure block 20 by turning the hand wheel 22, so that the airbag device 11 is further fixed by the pressure block 20.

[0025] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A pipeline point plugging device, comprising a crank (1), characterized in that: The outer surface of the crank (1) is fixedly connected to a spur gear (2), the inner surface of the spur gear (2) is fixedly connected to a screw (3), a conical block (4) is provided at the bottom of the spur gear (2), the outer surface of the screw (3) is fixedly connected to the outer surface of the conical block (4), a first slip (6) is provided at the bottom of the screw (3), a positioning block (5) is fixedly connected to the outer surface of the first slip (6), the outer surface of the positioning block (5) is slidably connected to the outer surface of the conical block (4), a second slip (7) is provided at the bottom of the first slip (6), and the second slip (7) The inner surface of the first slip groove (6) is slidably connected to a pin shaft (8), the outer surface of the pin shaft (8) is fixedly connected to the inner surface of the first slip groove (6), the outer surface of the first slip groove (6) is fixedly connected to a tube (9), the outer surface of the tube (9) is fixedly connected to the outer surface of the second slip groove (7), a frame (10) is arranged outside the tube (9), the outer surface of the frame (10) is fixedly connected to the outer surface of the second slip groove (7), the inner surface of the second slip groove (7) is fixedly connected to an airbag device (11), and the outer surface of the airbag device (11) is fixedly connected to the inner surface of the tube (9).

2. A pipeline point plugging device according to claim 1, characterized in that: A frame (10) is provided at the bottom of the spur gear (2), the inner surface of the frame (10) is threadedly connected to the outer surface of the screw rod (3), the inner surface of the first cava (6) is threadedly connected to the screw rod (13), the outer surface of the screw rod (13) is rotatably connected to the inner surface of the frame (10), and a slave gear (12) is provided at the top of the frame (10), the inner surface of the slave gear (12) is fixedly connected to the outer surface of the screw rod (13), and the outer surface of the slave gear (12) is meshed with the outer surface of the spur gear (2).

3. A pipeline point plugging device according to claim 1, characterized in that: The airbag device (11) comprises a rubber airbag (14), the outer surface of the rubber airbag (14) being fixedly connected to the inner surface of the tube (9), and the rubber airbag (14) being located inside the tube (9), the inner surface of the rubber airbag (14) being fixedly connected to a pressure plate (15), the inner surface of the pressure plate (15) being fixedly connected to a mounting tube (16), and the pressure plate (15) being located inside the rubber airbag (14).

4. A pipeline point plugging device according to claim 3, characterized in that: The outer surface of the mounting tube (16) is fixedly connected to a valve (17), the top of the valve (17) is provided with an exhaust pipe (18), the outer surface of the exhaust pipe (18) is fixedly connected to the inner surface of the mounting tube (16), and the exhaust pipe (18) is located inside the mounting tube (16), the inner surface of the exhaust pipe (18) is threadedly connected to a screw (19), and the screw (19) is located inside the exhaust pipe (18), the outer surface of the tube (9) is fixedly connected to a pressing block (20), and the pressing blocks (20) are symmetrically installed on both sides of the mounting tube (16), the inner surface of the pressing block (20) is threadedly connected to a bolt (21), and the outer surface of the bolt (21) is fixedly connected to a hand wheel (22).

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