Pipeline connecting structure

Abstract

The utility model relates to a pipeline connecting structure, and belongs to the technical field of pipeline maintenance. The pipeline connecting structure comprises two flanges used for pipeline sealing connection, transmission teeth, an inner gear ring and a fixing plate, a plurality of screws are axially arranged on the two flanges in a penetrating mode, nuts abutting against the flanges are arranged at the first ends of the screws, the second ends of the screws are in threaded fit with the transmission teeth, the transmission teeth are rotatably arranged on the axial end faces of the flanges, and the inner gear ring is arranged on the fixing plate. The fixing plate is arranged on the pipeline in a sleeving mode, and the fixing plate is provided with a clamping groove connected with the nut in a clamped mode. According to the scheme provided by the utility model, the screw can be synchronously driven to rotate in a gear transmission manner to realize the mounting and dismounting of the flange, and the portability of pipeline maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline maintenance technical field especially relates to a pipeline connecting structure. BACKGROUND

[0002] City water is transported through municipal water supply pipeline, and the municipal pipeline is an important part of city infrastructure, wherein, the water supply pipeline and the drainage pipeline are most closely related to city water, and the main role of the water supply pipeline is to deliver tap water from a water source or a water plant to every corner of the city, including residential homes, public facilities and industrial enterprises.

[0003] The connection mode between the existing municipal water supply pipelines usually adopts welding, and the welding connection mode is fixed and reliable, but the pipelines are difficult to disassemble, and once pipeline rupture occurs, it is inconvenient for construction personnel to repair or replace the pipeline. UTILITY MODEL CONTENT

[0004] In order to overcome the problems in the related art, the utility model provides a pipeline connecting structure which can drive the screw rod to rotate in a gear transmission mode to realize flange installation and disassembly, and improve the portability of pipeline maintenance.

[0005] The utility model discloses a pipeline connecting structure, including two for pipeline sealing connection's flange, transmission gear, internal toothed ring and fixed plate, the axial of two flanges is equipped with a plurality of screw rods, the first end of screw rod is equipped with the nut that meets with flange, the second end is with transmission gear screw thread cooperation, transmission gear can rotate and set up on the axial end face of flange, and is connected with internal toothed ring, the fixed plate is set up on the pipeline, and the fixed plate is equipped with the clamping groove that meets with the nut.

[0006] In some embodiments, it further includes a vertical plate set on the pipeline, one end of the vertical plate towards the transmission gear is equipped with a plurality of guide plates opposite to the screw rods;

[0007] The second end of the screw rod is radially increased to form a cover body, the screw rod is provided in a hollow structure, and the screw rod is in sliding cooperation with the guide plate.

[0008] In some embodiments, it further includes a first push plate and a second push plate set on the pipeline, the second push plate is located between the screw rod and the vertical plate, one end of the first push plate towards the transmission gear is equipped with a sliding plate, the vertical plate is equipped with a sliding hole, and the sliding plate is connected to the second push plate after penetrating the sliding hole.

[0009] In some embodiments, the internal toothed ring is equipped with a handle.

[0010] In some embodiments, it further includes a waterproof assembly set on the pipeline, and the waterproof assembly is located above the flange.

[0011] In some embodiments, the waterproof assembly comprises a clamp, a top rod and a baffle, the clamp is sleeved on the pipeline and located at both ends of the flange, the top rod is connected to the clamp, and the baffle is connected to the top rod.

[0012] In some embodiments, the outer edge of the baffle is provided with a plurality of ribbons.

[0013] In some embodiments, the side of the baffle facing the pipeline is provided with a water absorption structure.

[0014] In some embodiments, the water absorption structure is a sponge.

[0015] The technical scheme provided by the utility model can have the following beneficial effects:

[0016] The pipeline connecting structure provided by the utility model has the following beneficial effects: the screw rod and the transmission gear are in transmission connection, the screw rod can be rotated simultaneously to realize the sealing connection or disassembly of the two flanges, the screw rod does not need to be operated individually, the structure is simple, the portability of pipeline maintenance can be improved, the clamping groove can lock and separate the screw rod, and the screw nut can be protected to slow down the rusting speed. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings in which, in the exemplary embodiments of the utility model, the same reference numerals are usually used to represent similar components.

[0018] Figure 1 is a structural schematic view of the pipeline connecting structure shown in the utility model embodiment;

[0019] Figure 2 is another structural schematic view of the pipeline connecting structure shown in the utility model embodiment;

[0020] Figure 3 is another structural schematic view of the pipeline connecting structure shown in the utility model embodiment;

[0021] Figure 4 is another structural schematic view of the pipeline connecting structure shown in the utility model embodiment;

[0022] Figure 5 is a structural schematic view of the waterproof assembly shown in the utility model embodiment.

[0023] REFERENCE SIGNS:

[0024] 1. Pipe; 2. Flange; 3. Transmission gear; 4. Internal gear ring; 5. Fixing plate; 6. Screw; 7. Nut; 8. Vertical plate; 9. Guide plate; 10. First push plate; 11. Second push plate; 12. Slide plate; 13. Handle; 14. Clamp; 15. Top rod; 16. Baffle; 17. Ribbon; 18. Sponge. Detailed Implementation

[0025] Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0026] In the description of the utility model, it should be understood that the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0027] Furthermore, in the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] The technical solutions of the embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0029] like Figures 1 to 5 As shown, the present invention provides a pipe connection structure including two flanges 2 for sealing connection of pipe 1, a transmission gear 3, an internal gear ring 4, and a fixing plate 5. Several screws 6 are axially inserted through the two flanges 2. The first end of the screw 6 is provided with a nut 7 that abuts against the flange 2, and the second end is threadedly engaged with the transmission gear 3. The transmission gear 3 is rotatably disposed on the axial end face of the flange 2 and meshes with the internal gear ring 4. The fixing plate 5 is sleeved on the pipe 1 and is provided with a groove for engaging with the nut 7.

[0030] The utility model provides a pipeline connecting structure, the end of pipeline 1 is equipped with flange 2, when adjacent pipeline 1 is sealed and fixedly connected, the end face of two flanges 2 mutually sticks together, be equipped with the hole for screw rod 6 to wear on flange 2, such as threaded hole and through -hole, screw rod 6 is worn two flanges 2 after with nut 7 screw connection, the number of screw rod 6 is multiple, the specific number can be set according to the diameter size of pipeline 1, here is not only limited. Fixed plate 5 is set on pipeline 1 and is adjacent with nut 7, fixed plate 5 can select to be made of plastic or metal material, the end face of fixed plate 5 near nut 7 is equipped with the clamping slot corresponding with the number of screw rod 6, and the shape of clamping slot is adapted to nut 7. In some embodiments, in order to improve the protection effect of nut 7, sealing washer can be arranged in the clamping slot to improve the blocking effect of rainwater. The end face of flange 2 away from nut 7 can be rotatably provided with a transmission gear 3, the transmission gear 3 is provided in a hollow structure and is provided with a threaded groove threadedly engaged with the screw rod 6, the transmission gear 3 and the flange 2 can be connected by a bearing, the inner ring of the bearing is welded to the transmission gear 3, the outer ring of the bearing is welded to the flange 2, a plurality of transmission gears 3 are arranged around the axis of the flange 2, an inner ring gear 4 is engaged with the transmission gear 3, in order to ensure the good engagement effect of the inner ring gear 4 and the transmission gear 3, a corresponding limiting structure can be arranged on the inner ring gear 4 or the transmission gear 3 to ensure that the inner ring gear 4 does not separate from the transmission gear 3 when rotating. After rotating the inner ring gear 4, the screw rod 6 can be driven to rotate by the transmission gear 3, the sealing connection of the two flanges 2 or the disassembly of the two flanges 2 is realized, and the connection efficiency and maintenance portability of the pipeline 1 are improved.

[0031] In the embodiment, by rotating the inner ring gear 4 and the plurality of transmission gears 3 simultaneously, the screw rod 6 is locked or separated from the flange 2 under the action of the transmission gear 3, and the convenience of maintaining the pipeline 1 is improved.

[0032] In an implementable scheme, in order to ensure the recyclability of the screw rod 6, the pipeline connecting structure further comprises a vertical plate 8 arranged on the pipeline 1, one end of the vertical plate 8 towards the transmission gear 3 is provided with a plurality of guide plates 9 opposite to the screw rod 6, the material of the vertical plate 8 and the guide plate 9 can be selected from aluminum alloy and plastic, the second end of the screw rod 6 is radially increased to form a cover body, the screw rod 6 is provided in a hollow structure, when the hole of the flange 2 is a through hole, the sealing connection between the two flanges 2 can be ensured by the locking effect of the cover body and the nut 7. Under the action of the transmission gear 3, the screw rod 6 moves towards the vertical plate 8, the screw rod 6 and the guide plate 9 are in sliding cooperation, the guide plate 9 is arranged in the hollow structure, after the screw rod 6 completely separates from the flange 2, the screw rod 6 can be hung on the guide plate 9 to realize temporary fixation of the screw rod 6, in order to ensure the stability of the screw rod 6, the guide plate 9 is in a rectangular plate structure to improve the stability of the screw rod 6.

[0033] Furthermore, the pipe connection structure also includes a first push plate 10 and a second push plate 11 sleeved on the pipe 1. The second push plate 11 is located between the screw 6 and the vertical plate 8. The end of the first push plate 10 facing the transmission gear 3 is provided with a sliding plate 12. The vertical plate 8 is provided with a sliding hole, and the sliding plate 12 passes through the sliding hole and connects to the second push plate 11. Specifically, when the operator pushes the first push plate 10, the second push plate 11 moves back and forth between the vertical plate 8 and the flange 2 under the action of the sliding plate 12. When the screw 6 disengages from the flange 2 and is attached to the guide plate 9, the first sliding plate 12 can be slid to move the first push plate 10, thereby pushing the screw 6 to disengage from the guide plate 9. To improve the portability of screw 6 installation and disassembly, the internal gear ring 4 is provided with a handle 13, so that the operator can exert force better when rotating the internal gear ring 4.

[0034] In practical applications, when the pipe 1 is installed outdoors, it is prone to rust due to air and rainwater. To slow down the corrosion rate of the pipe connection structure, the pipe connection structure also includes a waterproof component fitted onto the pipe 1. The waterproof component is located above the flange 2 and includes a clamp 14, a push rod 15, and a baffle 16. The clamp 14 is fitted onto the pipe 1 and located at both ends of the flange 2. The push rod 15 is connected to the clamp 14, and the baffle 16 is connected to the push rod 15. In addition, when the operator disassembles the screw 6, the operator can adjust the clamp 14 so that the baffle 16 rotates to face the horizontal plane, so that the screw 6 can be collected by the first push plate 10.

[0035] Furthermore, the outer edge of the baffle 16 is provided with a plurality of ribbons 17, which are symmetrically arranged. When rainwater flows along the surface of the baffle 16, it flows along the surface of the ribbons 17 and flows out in the ribbons 17, reducing the amount of rainwater flowing back to the inner wall of the baffle 16 and further reducing the erosion of the pipe connection structure by rainwater.

[0036] Furthermore, the baffle 16 is provided with a water-absorbing structure on the side facing the pipe 1. When rainwater flows along the inner wall of the baffle 16 and comes into contact with the water-absorbing structure, it can be absorbed by the water-absorbing structure, thereby preventing rainwater from dripping onto components such as the inner tooth ring 4. The water-absorbing structure can be a sponge 18 or a capillary structure layer can be provided on the baffle 16.

[0037] The utility model discloses a working principle: pipeline 1 realizes sealed connection under the fixation of flange 2 and screw rod 6, fixed plate 5 slides to with flange 2 abut, and nut 7 is housed in the clamping groove, reduces the direct contact of nut 7 and outside, when needing to maintain pipeline 1, operating personnel rotate inner tooth ring 4, make transmission tooth 3 rotate under the meshing effect, because nut 7 and transmission tooth 3 are all in the fixed state, under the thread cooperation of transmission tooth 3 and screw rod 6, screw rod 6 rotates and nut 7 spins out, further separates from flange 2, after screw rod 6 is disassembled, can take out nut 7 in the clamping groove. Screw rod 6 is withdrawn from flange 2 under the action of transmission tooth 3 and inserts and connects guide plate 9 and abuts second push plate 11, can fix screw rod 6 by setting guide plate 9, avoid that screw rod 6 falls on the ground. When needing to replace screw rod 6, can slide first push plate 10 to make slide plate 12 drive second push plate 11 along stand 8 slide, second push plate 11 promotes screw rod 6 and separates from guide plate 9, can realize the recycling work of screw rod 6. The waterproof assembly set up therein can avoid rainwater directly invading screw rod 6, nut 7 and other devices, reduce the speed of screw rod 6 and nut 7 surface aging, rust, when disassembling screw rod 6, nut 7, operating personnel can adjust clamp 14 to make baffle 16 be at the bottom of pipeline 1 body, at this time, baffle 16 will collect the screw rod 6 that second push plate 11 pushes out and the nut 7 in the clamping groove;When it is rainy season, rainwater will flow along the surface of baffle 16, a little rainwater will flow back to the top of baffle 16 inner wall, at this time, these rainwater will contact and be absorbed by sponge 18, reduce the rainwater remaining in the inner wall of baffle 16, when collecting screw rod 6, nut 7 with baffle 16, sponge 18 will first contact screw rod 6, nut 7, because sponge 18 is flexible material, reduce the damage that screw rod 6, nut 7 and baffle 16 contact because of impact;When rainwater flows along the surface of baffle 16, will flow to the end of baffle 16, these rainwater will continue to flow along the surface of ribbon 17 and flow out from the edge of ribbon 17, reduce the rainwater that flows back to the inner wall of baffle 16.

[0038] The above has described each embodiment of the utility model, and the above-mentioned explanation is exemplary, is not exhaustive, and is not limited to each disclosed embodiment. Many modifications and changes are obvious to those skilled in the art without deviating from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical application or improvement to the technology in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A pipe connection structure characterized by comprising: The utility model provides a pipeline sealing connection device, including two flanges for pipeline sealing connection, transmission tooth, inner tooth ring and fixed plate, the first end of a plurality of screw rods that are axially threaded through the two flanges is equipped with nut that is in abutment with the flange, the second end is in threaded cooperation with transmission tooth, the transmission tooth is rotatably arranged on the axial end surface of flange and is in meshing connection with inner tooth ring, the fixed plate is sleeved on the pipeline, and the fixed plate is equipped with clamping groove that is in clamping connection with nut.

2. The pipe connection structure according to claim 1, wherein Also including the vertical plate that is sleeved on the pipeline, one end of vertical plate towards transmission tooth is equipped with a plurality of guide plate opposite screw rod, The second end of the screw rod is radially increased to form a cover body, the screw rod is provided in a hollow structure, and the screw rod is in sliding fit with the guide plate.

3. The pipe connection structure according to claim 2, characterized by Also including the first push plate and the second push plate that are sleeved on the pipeline, the second push plate is located between the screw rod and the vertical plate, one end of the first push plate towards transmission gear is equipped with slide plate, the vertical plate is equipped with slide hole, and the slide plate is connected with the second push plate after penetrating the slide hole.

4. The pipe connection structure according to claim 3, characterized by The inner tooth ring is equipped with a handle.

5. The pipe connection structure according to claim 1, wherein Also including the waterproof assembly that is sleeved on the pipeline, the waterproof assembly is located above the flange.

6. The pipe connection structure according to claim 5, wherein The waterproof assembly includes a clamp, a jacking rod, and a baffle, the clamp is sleeved on the pipeline and located at both ends of the flange, the jacking rod is connected to the clamp, and the baffle is connected to the jacking rod.

7. The pipe connection structure according to claim 6, wherein The outer edge of the baffle is provided with a plurality of ribbons.

8. The pipe connection structure according to claim 6, wherein The side of the baffle towards the pipeline is provided with a water absorption structure.

9. The pipe connection structure according to claim 8, wherein The water absorption structure is a sponge.

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