CN222811368U - Reducing pipe with changeable circle center - Google Patents

Reducing pipe with changeable circle center Download PDF

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Publication number
CN222811368U
CN222811368U CN202421579453.XU CN202421579453U CN222811368U CN 222811368 U CN222811368 U CN 222811368U CN 202421579453 U CN202421579453 U CN 202421579453U CN 222811368 U CN222811368 U CN 222811368U
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pipe
diameter pipe
reducing
piece
axis
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CN202421579453.XU
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Chinese (zh)
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赵开拓
卢之原
李启元
芦娟
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Abstract

本实用新型属于给排水管道技术领域,具体提供了一种可变圆心的异径管,包括大径管、小径管和限位组件;所述大径管轴线与所述小径管轴线平行;所述大径管与所述小径管通过变径连接件连通;所述变径连接件用于调整大径管轴线与小径管轴线的间距;所述限位组件用于锁定大径管轴线与小径管轴线间距。本实用新型提供的这种可变圆心的异径管结构简单,操作方便,仅需人工手动推拉便可实现同心异径管到偏心异径管的自由变换,方便高效,从而适应不同工况需求,解决同心异径管和偏心异径管不能交替使用的难题,以及非熟练工人安装异径管时误用、错用的问题,同时,在工程采购时无特意需区分同心管还是偏心管,使安装、采购变得简单高效。

The utility model belongs to the technical field of water supply and drainage pipelines, and specifically provides a reducer with a variable center, including a large diameter pipe, a small diameter pipe and a limit assembly; the axis of the large diameter pipe is parallel to the axis of the small diameter pipe; the large diameter pipe is connected to the small diameter pipe through a reducer; the reducer is used to adjust the distance between the axis of the large diameter pipe and the axis of the small diameter pipe; the limit assembly is used to lock the distance between the axis of the large diameter pipe and the axis of the small diameter pipe. The reducer with a variable center provided by the utility model has a simple structure and is easy to operate. It only needs to be manually pushed and pulled to realize the free transformation from the concentric reducer to the eccentric reducer, which is convenient and efficient, thereby adapting to different working conditions, solving the problem that the concentric reducer and the eccentric reducer cannot be used alternately, and the problem of misuse and wrong use when unskilled workers install the reducer. At the same time, there is no need to distinguish between concentric pipes and eccentric pipes during engineering procurement, making installation and procurement simple and efficient.

Description

Reducing pipe with changeable circle center
Technical Field
The utility model belongs to the technical field of water supply and drainage pipelines, and particularly relates to a reducing pipe with a variable circle center.
Background
Various pipelines and pipeline accessories are often used in the fields of construction, chemical industry, metallurgy, machinery and the like which relate to water supply and drainage, such as reducing pipes, elbows, tees, four-way joints and the like. The reducing pipes are divided into concentric reducing pipes and eccentric reducing pipes, the axes of the large pipe diameter and the small pipe diameter of the concentric reducing pipes are coincident with the circle center, and the axes of the large pipe diameter and the small pipe diameter of the eccentric reducing pipes are not coincident. The reducing pipe can conveniently change pipe diameters on one hand, and can adjust the flow rate of the pipeline on the other hand, so that the reducing pipe is a pipeline accessory with very high use frequency in the water supply and drainage field.
Because concentric reducer pipe and eccentric reducer pipe frequently use in the pipeline installation, single engineering quantity is more, but can not alternate use again, and unskilled workman misuse, misuse possibility are big, and the purchase is also very troublesome.
Disclosure of utility model
The utility model aims to solve the problems that concentric reducing pipes and eccentric reducing pipes cannot be used alternately, and the installation and purchase are troublesome in the prior art.
The utility model provides a reducing pipe with a variable circle center, which comprises a large-diameter pipe, a small-diameter pipe and a limiting assembly, wherein the axis of the large-diameter pipe is parallel to the axis of the small-diameter pipe, the large-diameter pipe is communicated with the small-diameter pipe through a reducing connecting piece, the reducing connecting piece is used for adjusting the distance between the axis of the large-diameter pipe and the axis of the small-diameter pipe, and the limiting assembly is used for locking the distance between the axis of the large-diameter pipe and the axis of the small-diameter pipe.
The variable-diameter connecting piece comprises a plastic tapered corrugated pipe, wherein the large-caliber end of the plastic tapered corrugated pipe is connected with the large-diameter pipe, and the small-caliber end of the plastic tapered corrugated pipe is connected with the small-diameter pipe.
Specifically, the plastic tapered corrugated pipe is a metal tapered corrugated pipe.
The limiting assembly comprises a first limiting piece, a second limiting piece and a connecting rod, wherein the first limiting piece is arranged on the outer wall of the end, connected with the large-diameter pipe, of the variable-diameter connecting piece, the second limiting piece is arranged on the outer wall of the end, connected with the small-diameter pipe, of the variable-diameter connecting piece, one end of the connecting rod is rotationally connected with the first limiting piece, the other end of the connecting rod is slidably connected with the second limiting piece, and a locking piece for fixing the relative position of the connecting rod and the second limiting piece is arranged on the second limiting piece.
The locking piece comprises a nut, one end of the connecting rod is provided with threads matched with the nut, the second limiting piece is provided with a sliding groove, and one end of the connecting rod penetrates through the sliding groove to be connected with the nut.
The ball socket is arranged on the first limiting part, a ball head matched with the ball socket is arranged at one end of the connecting rod, and the connecting rod is rotationally connected with the first limiting part through the ball head and the ball socket.
Specifically, one end of the connecting rod is rotatably connected with the first limiting part through a hinge.
Specifically, the first limiting piece and the second limiting piece are of annular structures and are sleeved at two ends of the reducing connecting piece respectively.
The limiting assembly comprises a plurality of connecting rods, and the connecting rods are circumferentially arranged at intervals on the periphery of the reducing connecting piece.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
The reducing pipe with the changeable circle center is simple in structure and convenient to operate, free conversion from the concentric reducing pipe to the eccentric reducing pipe can be realized only by manual pushing and pulling, the free conversion is convenient and efficient, the requirements of different working conditions are met, the problem that the concentric reducing pipe and the eccentric reducing pipe cannot be used alternately is solved, the problem of misuse and misuse when unskilled workers install the reducing pipe is solved, meanwhile, the concentric pipe or the eccentric pipe is not needed to be distinguished specially when engineering purchasing, and the installation and purchasing become simple and efficient.
The present utility model will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a variable diameter pipe with a variable center of circle provided by the utility model in a concentric form.
Fig. 2 is a schematic view of the variable diameter pipe with a variable center of circle provided by the utility model in an eccentric state.
Fig. 3 is a schematic diagram of a connecting end of a connecting rod and a second limiting member of a reducing pipe with a variable center.
Fig. 4 is a schematic diagram of a connection end of a first limiting member and a connecting rod of a reducing pipe with a variable center.
The reference numerals indicate that 1, a large-diameter pipe, 2, a small-diameter pipe, 3, a variable-diameter connecting piece, 4, a first limiting piece, 401, a ball socket, 5, a connecting rod, 501, a ball head, 6, a second limiting piece, 601, a sliding groove, 7 and a locking piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature, and in the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1-2, the utility model provides a reducing pipe with a variable center, which comprises a large-diameter pipe 1, a small-diameter pipe 2 and a limiting assembly, wherein the axis of the large-diameter pipe 1 is parallel to the axis of the small-diameter pipe 2, the large-diameter pipe 1 is communicated with the small-diameter pipe 2 through a reducing connecting piece 3, the reducing connecting piece 3 is used for adjusting the distance between the axis of the large-diameter pipe 1 and the axis of the small-diameter pipe 2, and the limiting assembly is used for locking the distance between the axis of the large-diameter pipe 1 and the axis of the small-diameter pipe 2. The initial state of the variable-circle-center reducing pipe is preferably a state that the centers of circles are concentric and the axes of the large pipe and the small pipe are collinear. When the concentric reducer pipe is used, the distance between the axis of the large-diameter pipe 1 and the axis of the small-diameter pipe 2 is adjusted through the reducing connecting piece 3, so that the axes of the large-diameter pipe 1 and the small-diameter pipe 2 are overlapped or deviated, then the relative positions of the axis of the large-diameter pipe 1 and the axis of the small-diameter pipe 2 are locked through the limiting assembly, the distance between the two axes is fixed, and the use requirement of the concentric reducer pipe or the eccentric reducer pipe is met.
Specifically, the reducing connecting piece 3 comprises a plastic tapered corrugated pipe, wherein the large-caliber end of the plastic tapered corrugated pipe is connected with the large-caliber pipe 1, and the small-caliber end of the plastic tapered corrugated pipe is connected with the small-caliber pipe 2. The caliber of two ends of the plastic tapered corrugated pipe is matched with the caliber of the large-diameter pipe 1 and the caliber of the small-diameter pipe 2. The plastic tapered corrugated pipe is combined with the plasticity, and the free transformation of the circle center of the plastic tapered corrugated pipe is realized through external force pushing and pulling, so that the axial positions of the large-diameter pipe 1 and the small-diameter pipe 2 connected with the two ends of the plastic tapered corrugated pipe are changed. When the requirement is in an eccentric reducing pipe form, as shown in fig. 2, the plastic tapered corrugated pipe is pushed, and the good expansion compensation performance and plasticity of the plastic tapered corrugated pipe are utilized until the single-side pipe wall of the plastic tapered corrugated pipe is collinear with the single-side pipe walls of the large-diameter pipe 1 and the small-diameter pipe 2, so that a stable eccentric pipe structure is formed. The spacing assembly is then adjusted to lock the moldable tapered bellows in this configuration.
The plastic tapered corrugated pipe is preferably a metal tapered corrugated pipe, the external corrugated structure of the plastic tapered corrugated pipe has the functions of elongation and compression compensation, the free transformation of the circle center of the pipeline can be realized through external force pushing and pulling, and the stability of the transformation form of the reducing pipe can be enhanced by combining the plasticity of metal materials.
The number of the plastic tapered corrugated pipes between the large-diameter pipe 1 and the small-diameter pipe 2 is designed according to actual conditions, when the pipe diameters of the large-diameter pipe 1 and the small-diameter pipe 2 are large in difference, namely the diameter-changing range is large, in order to increase the stability of water flow in the pipeline and reduce head loss, a plurality of sections of plastic tapered corrugated pipes can be adopted, so that the smoothness of the water flow is improved. When the pipe diameters of the large-diameter pipe 1 and the small-diameter pipe 2 are smaller in difference, namely the diameter-changing range is smaller, only one section of plastic tapered corrugated pipe can be adopted to connect the large-diameter pipe and the small-diameter pipe 2, so that the purpose of simplifying the reducing pipe parts is achieved.
In a refined embodiment, the limiting assembly comprises a first limiting piece 4, a second limiting piece 6 and a connecting rod 5, wherein the first limiting piece 4 is arranged on the outer wall of the end, connected with the large-diameter pipe 1, of the variable-diameter connecting piece 3, the second limiting piece 6 is arranged on the outer wall of the end, connected with the small-diameter pipe 2, of the variable-diameter connecting piece 3, one end of the connecting rod 5 is rotatably connected with the first limiting piece 4, the other end of the connecting rod 5 is slidably connected with the second limiting piece 6, and a locking piece 7 for fixing the relative position of the connecting rod 5 and the second limiting piece 6 is arranged on the second limiting piece 6. Before use, the locking piece 7 is released, so that one end of the connecting rod 5 can slide on the second limiting piece 6 freely. As shown in fig. 1-2, after the variable diameter connecting piece 3 is adjusted to a required position, the connecting rod 5 rotates to a position parallel to the corresponding side wall of the variable diameter connecting piece 3, the connecting rod 5 is fixed by the locking piece 7, the end part of the connecting rod 5 is limited to slide on the second limiting piece 6, the connecting rod 5 is kept at a position parallel to the corresponding side wall of the variable diameter connecting piece 3, and the deformation resistance of the variable diameter connecting piece 3 is improved by the anchoring action of the limiting component.
Optionally, the locking piece 7 comprises a nut, one end of the connecting rod 5 is provided with threads matched with the nut, the second limiting piece 6 is provided with a chute 601, and one end of the connecting rod 5 penetrates through the chute 601 to be connected with the nut. Before use, the connection between the nut and the connecting rod 5 is released, so that the end part of the connecting rod 5 can slide in the sliding groove 601, and after the connecting rod 5 is adjusted to a proper position, the nut is screwed, so that the end part of the connecting rod 5 is fixed on the second limiting piece 6. The extending line of the length direction of the chute 601 preferably passes through the center of the cross section of the reducing connector 3.
Specifically, a ball socket 401 is arranged on the first limiting part 4, a ball head 501 matched with the ball socket 401 is arranged at one end of the connecting rod 5, and the connecting rod 5 is rotationally connected with the first limiting part 4 through the ball head 501 and the ball socket 401.
Optionally, one end of the connecting rod 5 is rotatably connected with the first limiting part 4 through a hinge. The hinge mounting direction is determined according to the rotation direction required during use. Other feasible rotation connection structures can be adopted between the first limiting piece 4 and the connecting rod 5, and the limitation is not limited.
In order to further improve the deformation resistance, as shown in fig. 3-4, the first limiting member 4 and the second limiting member 6 are both in annular structures and are respectively sleeved at two ends of the reducing connecting member 3. The limiting assembly comprises a plurality of connecting rods 5, and the connecting rods 5 are circumferentially arranged at intervals on the periphery of the reducing connecting piece 3. The variable diameter connector 3 is limited from a plurality of directions.
In another embodiment, the first limiting member 4 is detachably mounted on the outer diameter of the end, connected to the variable diameter connecting member 3, of the large diameter pipe 1, and the second limiting member 6 is detachably mounted on the outer diameter of the end, connected to the variable diameter connecting member 3, of the small diameter pipe 2. After the large diameter pipe 1, the variable diameter connecting piece 3 and the small diameter pipe 2 are adjusted to the required eccentric or concentric state, the first limiting piece 4 and the second limiting piece 6 are respectively arranged on the large diameter pipe 1 and the small diameter pipe 2, the connecting rod 5 is adjusted, the variable diameter connecting piece 3 is locked in the current state, namely, the positions of the axis of the large diameter pipe 1 and the axis of the small diameter pipe 2 are locked, and the eccentric or concentric state is maintained.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.

Claims (9)

1. A reducing pipe with a changeable circle center is characterized by comprising a large-diameter pipe (1), a small-diameter pipe (2) and a limiting assembly, wherein the axis of the large-diameter pipe (1) is parallel to the axis of the small-diameter pipe (2), the large-diameter pipe (1) is communicated with the small-diameter pipe (2) through a reducing connecting piece (3), the reducing connecting piece (3) is used for adjusting the distance between the axis of the large-diameter pipe (1) and the axis of the small-diameter pipe (2), and the limiting assembly is used for locking the distance between the axis of the large-diameter pipe (1) and the axis of the small-diameter pipe (2).
2. The reducing pipe with the changeable circle center according to claim 1, wherein the reducing connecting piece (3) comprises a plastic tapered corrugated pipe, a large caliber end of the plastic tapered corrugated pipe is connected with the large diameter pipe (1), and a small caliber end of the plastic tapered corrugated pipe is connected with the small diameter pipe (2).
3. The reducing pipe with changeable circle center of claim 2, wherein the plastic tapering corrugated pipe is a metal tapering corrugated pipe.
4. The reducing pipe with the changeable circle center according to the claim 1 is characterized in that the limiting assembly comprises a first limiting piece (4), a second limiting piece (6) and a connecting rod (5), the first limiting piece (4) is arranged on the outer wall of the end, connected with the large-diameter pipe (1), of the reducing connecting piece (3), the second limiting piece (6) is arranged on the outer wall of the end, connected with the small-diameter pipe (2), of the reducing connecting piece (3), one end of the connecting rod (5) is rotationally connected with the first limiting piece (4), the other end of the connecting rod (5) is slidingly connected with the second limiting piece (6), and a locking piece (7) for fixing the relative position of the connecting rod (5) and the second limiting piece (6) is arranged on the second limiting piece (6).
5. The reducing pipe with the changeable circle center according to claim 4 is characterized in that the locking piece (7) comprises a nut, threads matched with the nut are arranged at one end of the connecting rod (5), a sliding groove (601) is formed in the second limiting piece (6), and one end of the connecting rod (5) penetrates through the sliding groove (601) to be connected with the nut.
6. The reducing pipe with the changeable circle center according to the claim 4 is characterized in that a ball socket (401) is arranged on the first limiting piece (4), a ball head (501) matched with the ball socket (401) is arranged at one end of the connecting rod (5), and the connecting rod (5) is rotationally connected with the first limiting piece (4) through the ball head (501) and the ball socket (401).
7. The reducing pipe with the changeable circle center according to claim 4, wherein one end of the connecting rod (5) is rotatably connected with the first limiting piece (4) through a hinge.
8. The reducing pipe with the changeable circle center according to claim 4, wherein the first limiting piece (4) and the second limiting piece (6) are of annular structures and are respectively sleeved at two ends of the variable-diameter connecting piece (3).
9. The reducing pipe with the changeable circle center according to claim 8, wherein the limiting assembly comprises a plurality of connecting rods (5), and the connecting rods (5) are circumferentially arranged at intervals on the periphery of the reducing connecting piece (3).
CN202421579453.XU 2024-07-05 2024-07-05 Reducing pipe with changeable circle center Active CN222811368U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202421579453.XU CN222811368U (en) 2024-07-05 2024-07-05 Reducing pipe with changeable circle center

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202421579453.XU CN222811368U (en) 2024-07-05 2024-07-05 Reducing pipe with changeable circle center

Publications (1)

Publication Number Publication Date
CN222811368U true CN222811368U (en) 2025-04-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202421579453.XU Active CN222811368U (en) 2024-07-05 2024-07-05 Reducing pipe with changeable circle center

Country Status (1)

Country Link
CN (1) CN222811368U (en)

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