CN217081870U - Bevel gear transmission piston ring type steel pipe plugging head - Google Patents
Bevel gear transmission piston ring type steel pipe plugging head Download PDFInfo
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- CN217081870U CN217081870U CN202122989060.9U CN202122989060U CN217081870U CN 217081870 U CN217081870 U CN 217081870U CN 202122989060 U CN202122989060 U CN 202122989060U CN 217081870 U CN217081870 U CN 217081870U
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- bevel gear
- shaft
- pull rod
- steel pipe
- piston ring
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Abstract
A bevel gear transmission piston ring type steel pipe plugging head relates to the technical field of pipeline plugging; including shutoff head, its characterized in that: the shutoff head is including removing the pressure disk, the fixed disk, rubber seal, remove the axle and be used for carrying to draw to remove the axle and press from both sides the bevel gear drive mechanism who tightly removes pressure disk and fixed disk realization shutoff, the rubber seal embedding sets up and is removing between the pressure disk, remove the axle embedding setting and removing the pressure disk, fixed disk center department, and control and remove pressure disk axial displacement and press from both sides tight or loosen rubber seal, when the pull rod axle is rotatory, bevel gear drive mechanism drives and removes the axle rotation upwards, and then carry to draw and remove the pressure disk and press from both sides tightly, rubber seal is removing the pressure disk, the shutoff is realized to outside protrusion after the fixed disk effect down extrusion deformation, thereby reach sealed pipeline's performance, need not open on the pipeline and cut the hole, do not destroy the physical properties of pipeline, and have low cost, easy operation makes things convenient and the good advantage of leakproofness.
Description
Technical Field
The utility model relates to a pipeline shutoff technical field, more specifically the utility model relates to a bevel gear transmission piston ring formula steel pipe shutoff head.
Background
A steel pipe plugging head is mainly used for a plugging device in maintenance and rush repair construction operation of low-pressure urban gas pipelines, and the steel pipe plugging head in the prior art has poor pipeline sealing effect, needs to cut off holes on the pipelines and is easy to damage the physical properties of the pipelines.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the steel pipe shutoff head, sealed pipeline effect is relatively poor, needs to open on the pipeline and cuts the hole, destroys the technical problem of the physical property of pipeline easily.
The purpose and the efficacy of the utility model are achieved by the following specific technical means:
a bevel gear transmission piston ring type steel pipe plugging head comprises a plugging head body, wherein the plugging head body comprises a movable pressing disc, a fixed disc, a rubber sealing ring, a movable shaft and a bevel gear transmission mechanism for lifting the movable shaft to clamp the movable pressing disc and the fixed disc to realize plugging;
bevel gear drive mechanism includes sealed shell, big bevel gear, little bevel gear, the pull rod axle, the apron, sealed shell is fixed to be set up in the fixed disk top, big bevel gear screw connects soon on removing epaxial portion, the pull rod axle is rotatory to be set up in sealed shell right side, little bevel gear is fixed in the pull rod axle left side, big bevel gear and the meshing transmission of little bevel gear, the apron is installed on sealed shell top, pull rod axle right side is connected with controlling means, controlling means control pull rod axle rotates and then drives little bevel gear and big bevel gear and rotate, big bevel gear drives and removes the axle rotation upwards, and then it presss from both sides tightly to carry and draw the removal pressure disk, rubber seal realizes the shutoff to protruding after removing the pressure disk, the fixed disk effect extrusion deformation down.
Preferably, the rubber seal ring cross-section is trapezoidal, and the medial surface of removal pressure disk and fixed disk cooperates with rubber seal ring.
Preferably, a fourth O-shaped ring is sleeved between the outer wall of the moving shaft and the moving pressure plate, a cap-shaped nut is installed at the outer end of the lower end of the moving shaft, and a spring washer is sleeved between the cap-shaped nut and the moving pressure plate.
Preferably, a first bearing is sleeved between the fixed disc and the movable shaft, and the large bevel gear is arranged above the first bearing.
Preferably, the moving shaft sleeve at the upper end of the large bevel gear is provided with a first gasket, the top end of the upper end of the moving shaft is provided with a pin shaft, and the upper end of the pin shaft is inserted with a cotter pin.
Preferably, a second bearing is sleeved between the outer side of the pull rod shaft and the sealing shell, and a second gasket is sleeved between the inner side of the pull rod shaft and the sealing shell.
Preferably, a flat key is arranged between the bevel pinion and the pull rod shaft.
Preferably, a third washer is arranged between the bevel pinion and the tail end of the pull rod shaft, and an elastic check ring is sleeved on the pull rod shaft outside the third washer.
Has the advantages that:
the pull rod shaft is connected with the plugging device, when the pull rod shaft rotates, the small bevel gear is driven to rotate, the large bevel gear drives the moving shaft to rotate upwards, the moving pressure plate is further lifted and clamped, the rubber sealing ring protrudes outwards to realize plugging after being extruded and deformed under the action of the moving pressure plate and the fixed plate, the performance of sealing a pipeline is achieved, a cut-off hole does not need to be formed in the pipeline, the physical performance of the pipeline is not damaged, and the plugging device has the advantages of low cost, simplicity and convenience in operation and good sealing performance.
Description of the drawings:
fig. 1 is a schematic structural diagram of the usage state of the present invention.
Fig. 2 is the schematic view of the sectional structure of the plugging head of the present invention.
Fig. 3 is a schematic view of the overlooking structure of the plugging head of the present invention.
In fig. 1-3, the correspondence between the component names and the reference numbers is:
1-outer tube, 101-nut, 102-inner shaft, 103-first O-shaped ring, 104-second O-shaped ring, 105-rotating body, 106-first screw, 107-connecting disc, 108-upper flange plate, 109-second screw, 110-handle rod, 111-hoop, 112-threaded seat, 113-first retaining ring, 114-large washer, 115-small washer, 116-first bearing, 117-limiting block, 118-third O-shaped ring, 2-connecting box, 3-sandwich valve, 4-flange plug, 5-plug, 501-sealing shell, 502-large bevel gear, 503-washer one, 504-washer three, 505-small bevel gear, 506-washer two, 507-cover plate, 508-pull rod shaft, 509-movable shaft, 510 a-movable pressure plate, 510B-fixed plate, B1-pin shaft, B2-elastic retainer ring, B3-flat key, B4-screw, B5-bearing II, B6-fourth O-shaped ring, B7-spring washer, B8-cover-shaped nut, B9-bearing I, B10-split pin and 6-pipeline.
Detailed Description
Example 1
As shown in figures 1 to 3:
a bevel gear transmission piston ring type steel pipe plugging head comprises a plugging head 5, wherein the plugging head 5 comprises a movable pressing plate 510a, a fixed plate 510b, a rubber sealing ring 511, a movable shaft 509 and a bevel gear transmission mechanism for lifting the movable shaft 509 to clamp the movable pressing plate 510a and the fixed plate 510b to realize plugging, the rubber sealing ring 511 is embedded between the movable pressing plate 510a and the fixed plate 510b, the movable shaft 509 is embedded in the centers of the movable pressing plate 510a and the fixed plate 510b and controls the movable pressing plate 510a to axially move to clamp or loosen the rubber sealing ring 511;
the bevel gear transmission mechanism comprises a sealing shell 501, a large bevel gear 502, a small bevel gear 505, a pull rod shaft 508 and a cover plate 507, wherein the sealing shell 501 is fixedly arranged above a fixed disc 510b, the large bevel gear 502 is screwed on the upper portion of a movable shaft 509 in a threaded manner, the pull rod shaft 508 is rotatably arranged on the right side of the sealing shell 501, the small bevel gear 505 is fixed on the left side of the pull rod shaft 508, the large bevel gear 502 and the small bevel gear 505 are in meshed transmission, the cover plate 507 is mounted at the top end of the sealing shell 501, the right side of the pull rod shaft 508 is connected with a control device, the control device controls the pull rod shaft to rotate so as to drive the small bevel gear 505 and the large bevel gear 502 to rotate, the large bevel gear 502 drives the movable shaft to rotate upwards so as to lift and move a pressing disc to clamp, and a rubber sealing ring is extruded and deformed under the action of the movable pressing disc and the fixed disc to protrude outwards to realize plugging.
The rubber seal 511 has a trapezoidal cross section, and the inner sides of the movable platen 510a and the fixed platen 510b are matched with the rubber seal 511.
Wherein, a fourth O-ring 502 is sleeved between the outer wall of the moving shaft 509 and the moving platen 510a, a cap nut B8 is mounted at the outer end of the lower end of the moving shaft 509, and a spring washer B7 is sleeved between the cap nut B8 and the moving platen 510 a.
Wherein, a bearing B9 is sleeved between the fixed disk 510B and the movable shaft 509, and the large bevel gear 502 is arranged above the bearing B9, so as to reduce friction and enable the large bevel gear 502 to rotate flexibly.
A first washer 503 is sleeved on a moving shaft 509 at the upper end of the large bevel gear 502, a pin shaft B2 is arranged at the top end of the upper end of the moving shaft 509, and a cotter pin B10 is inserted into the upper end of a pin shaft B2 to limit the moving shaft.
A second bearing B5 is sleeved between the outer side of the pull rod shaft 508 and the sealing shell 501, and a second gasket 506 is sleeved between the inner side of the pull rod shaft 508 and the sealing shell 501.
Wherein, a flat key B3 is arranged between the bevel pinion 505 and the pull rod shaft 508 for fixing and limiting.
A third washer 504 is arranged between the small bevel gear 505 and the tail end of the pull rod shaft 508, and a circlip B2 is sleeved on the pull rod shaft 508 outside the third washer 504 to fix the small bevel gear 505 on the pull rod shaft 508.
Application method
A plugging structure of a bevel gear transmission piston ring type steel pipe plugging head comprises the bevel gear transmission piston ring type steel pipe plugging head in embodiment 1, and further comprises a plugging device 1, a connecting box 2, a sandwich valve 3, a flange plug 4 and a pipeline 6.
The plugging device and the plugging head 5 are assembled, the plugging device is movably sealed and fixed with the connecting box 2 through the connecting disc and locked through screws, and the connecting box 2 and the sandwich valve 3, the sandwich valve 3 and the flange plug 4, and the flange plug 4 and the pipeline 6 are fixedly locked and sealed through bolts.
Wherein, the connecting box 2 is provided with a bypass port and a pressure release valve;
wherein, the plugging device controls the plugging head 5 to extend into the pipeline 6, and the plugging device is operated to control the plugging head 5 to realize plugging.
The working principle is as follows:
because of the utility model discloses a stopper appearance is circular, its principle is fixed in the one end of even case 2 through sandwich valve 3, utilize the nut to be convenient for install pull rod 509 at the lower extreme of stopper 1, when stopper head 5 is along even case 2 in the direction of arrival downwards when shutoff pipe 6 bottoms, stopper 1 is to carrying away the direction slope of arrival, rotate the rocking handle simultaneously, axle drives pull rod 509 rotatory in the stopper, it rotates with big bevel gear 502 to drive little bevel gear 505, big bevel gear 502 drives the rotatory upwards of removal axle, and then make and remove pressure disk 510a and fixed disk 510b and press from both ends tight trapezoidal rubber seal 511, make it rise to the both ends extrusion and expand, prevent intraductal medium, intraductal medium is from even case 2 by-pass opening drainage, thereby realize incessantly defeated shutoff, reach sealed pipeline's performance.
Claims (8)
1. The utility model provides a bevel gear transmission piston ring formula steel pipe shutoff head, includes the shutoff head, its characterized in that: the plugging head comprises a movable pressure plate, a fixed disk, a rubber sealing ring, a movable shaft and a bevel gear transmission mechanism, wherein the bevel gear transmission mechanism is used for pulling the movable shaft to clamp the movable pressure plate and the fixed disk to realize plugging;
the bevel gear transmission mechanism comprises a sealing shell, a large bevel gear, a small bevel gear, a pull rod shaft and a cover plate, wherein the sealing shell is fixedly arranged above a fixed disc, the large bevel gear is screwed on the upper portion of a movable shaft in a threaded manner, the pull rod shaft is rotatably arranged on the right side of the sealing shell, the small bevel gear is fixed on the left side of the pull rod shaft, the large bevel gear is in meshing transmission with the small bevel gear, the cover plate is installed at the top end of the sealing shell, and the right side of the pull rod shaft is connected with a control device.
2. The bevel gear drive piston ring type steel pipe plugging head according to claim 1, wherein the rubber seal ring is trapezoidal in cross section, and inner side surfaces of the movable pressure plate and the fixed plate are matched with the rubber seal ring.
3. The bevel gear transmission piston ring type steel pipe plugging head as claimed in claim 1, wherein a fourth O-ring is sleeved between the outer wall of the moving shaft and the moving platen, a cap nut is mounted at the outer end of the lower end of the moving shaft, and a spring washer is sleeved between the cap nut and the moving platen.
4. The bevel gear drive piston ring type steel pipe plugging head as claimed in claim 1, wherein a first bearing is sleeved between said fixed disc and said movable shaft, and said large bevel gear is disposed above said first bearing.
5. The bevel gear drive piston ring type steel pipe plugging head as claimed in claim 1, wherein a moving shaft sleeve at the upper end of the large bevel gear is provided with a first washer, a pin shaft is arranged at the top end of the upper end of the moving shaft, and a cotter pin is inserted into the pin shaft.
6. The bevel gear drive piston ring type steel pipe plugging head according to claim 1, wherein a second bearing is sleeved between the outer side of the pull rod shaft and the sealing shell, and a second gasket is sleeved between the inner side of the pull rod shaft and the sealing shell.
7. The bevel gear drive piston ring steel pipe plug according to claim 1, wherein a flat key is provided between the bevel pinion and the pull rod shaft.
8. The bevel gear transmission piston ring type steel pipe plugging head as claimed in claim 1, wherein a third washer is arranged between the bevel pinion and the tail end of the pull rod shaft, and an elastic check ring is sleeved on the pull rod shaft outside the third washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122989060.9U CN217081870U (en) | 2021-12-01 | 2021-12-01 | Bevel gear transmission piston ring type steel pipe plugging head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122989060.9U CN217081870U (en) | 2021-12-01 | 2021-12-01 | Bevel gear transmission piston ring type steel pipe plugging head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081870U true CN217081870U (en) | 2022-07-29 |
Family
ID=82538500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122989060.9U Active CN217081870U (en) | 2021-12-01 | 2021-12-01 | Bevel gear transmission piston ring type steel pipe plugging head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081870U (en) |
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2021
- 2021-12-01 CN CN202122989060.9U patent/CN217081870U/en active Active
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