LU504367B1 - Manual Pipe Bending Mechanism - Google Patents

Manual Pipe Bending Mechanism Download PDF

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Publication number
LU504367B1
LU504367B1 LU504367A LU504367A LU504367B1 LU 504367 B1 LU504367 B1 LU 504367B1 LU 504367 A LU504367 A LU 504367A LU 504367 A LU504367 A LU 504367A LU 504367 B1 LU504367 B1 LU 504367B1
Authority
LU
Luxembourg
Prior art keywords
bending
bottom plate
disc
pipe
bending disc
Prior art date
Application number
LU504367A
Other languages
German (de)
Inventor
Renyin Wang
Original Assignee
Suzhou Bijia Internet Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Bijia Internet Tech Co Ltd filed Critical Suzhou Bijia Internet Tech Co Ltd
Application granted granted Critical
Publication of LU504367B1 publication Critical patent/LU504367B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/02Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The application discloses a manual pipe bending mechanism, which includes a bottom plate, wherein a bending disc is arranged above the bottom plate; a rotary arm is coaxially arranged below the center of the bending disc, the rotary arm is provided with a bending abutting block, and when the rotary arm rotates around the center of the bending disc, the bending abutting block remains tangent to the bending disc; the bottom plate is provided with a clamping assembly parallel to the rotary arm, and an output end of the clamping assembly abuts against the bending disc, so that a pipe is fixed; one side of the bending disc on the bottom plate is provided with a clamping block,. By using the bending disc and the bending abutting block on the rotary arm, through the manual control, the pipes or steel bars may be freely bent to 0-180 degrees.

Description

MANUAL PIPE BENDING MECHANISM 504967
TECHNICAL FIELD
The application relates to the technical field of pipe bending devices, in particular to a manual pipe bending mechanism.
BACKGROUND
In a process of automobile manufacturing, as main components of an automobile are integrated in an automobile head part, pipelines in a limited space are complicated, so that more pipelines in the automobile need to be bent and shaped to avoid confusion. In a pipe bending and forming process of a low carbon steel pipe, a manual pipe bender is widely used.
A conventional manual pipe bender includes a pipe bending base, a pipe bending bracket, and a pipe bending unit. The pipe bending base and the pipe bending bracket are welded together by angle iron before, which is inconvenient to adjust and maintain; and the overall portability is poor.
Therefore, it is necessary to provide a new manual pipe bending mechanism to solve the above problem.
SUMMARY
The application aims to provide a manual pipe bending mechanism.
In order to achieve the above purpose, the application adopts the following contents.
A manual pipe bending mechanism includes a bottom plate. A bending disc is arranged above the bottom plate. A rotary arm is coaxially arranged below the center of the bending disc, the rotary arm is provided with a bending abutting block, and when the rotary arm rotates around the center of the bending disc, the bending abutting block remains tangent to the bending disc. The bottom plate is provided with a clamping assembly parallel to the rotary arm, and an output end of the clamping assembly abuts against the bending disc, so that a pipe is fixed. One side of the bending disc on the bottom plate is provided with a clamping block, so that a pipe end is clamped in the clamping block.
A new manual bending mechanism is designed to bend objects such as pipes and steel bars. The overall structure is simple. By using the bending disc and the bending abutting block on the rotary arm, through the manual control, the pipes or steel bars may be freely bent to 0-180 degrees. LU504367
Preferably, the bending disc is semicircular, and is provided with an arc-shaped groove adapted to the pipe on the circumferential side of a semicircle. The center of the bending disc is connected to the bottom plate through a fixed shaft. Two protruding connection parts extend from a straight edge of the bending disc toward the direction of the bottom plate, and are connected to the bottom plate through fasteners.
The semicircle of the bending disc determines that the maximum bending angle of the pipe and the steel bar is 180 degrees. At the same time, three fixed points, two connecting parts and the fixed shaft are arranged below the bending disc to ensure the strength and durability of the whole bending disc.
Preferably, the rotary arm includes a rotating part rotatably connected to the fixed shaft, a hand lever located at a tail end of the rotating part, and the bending abutting block arranged on the rotating part. The rotating part is provided with a connector configured to connect an external power piece.
Preferably, the clamping assembly includes a base fixedly arranged on the bottom plate, a connecting rod arranged on the base, and a handle hinged to a tail end of the connecting rod and the base. The other end of the connecting rod is provided with an abutting joint, which is driven by the connecting rod to move close to or away from the bending disc. A middle part of the handle is hinged with the connecting rod, and a tail end thereof is hinged with the base, so that two hinged points on the handle and the tail end of the connecting rod form a triangular structure.
Preferably, the clamping block is provided with a curved groove configured to abut against a pipe head.
Preferably, the bending abutting block is strip-shaped, is provided with a groove configured to accommodate the pipe on a side toward the bending disc, and is spliced with the arc-shaped groove of the bending disc to form a closed channel.
Preferably, one side of the bending disc on the bottom plate is provided with a supporting block.
The application has the following advantages. 1. A new manual bending mechanism is designed to bend objects such as pipes and steel bars. The overall structure is simple. By using the bending disc and the bending abutting block on the rotary arm, through the manual control, the pipes or steel bars may be freely bent to 0-180 degrees.
2. The semicircle of the bending disc determines that the maximum bending LU504367 angle of the pipe and the steel bar is 180 degrees. At the same time, three fixed points, two connecting parts and the fixed shaft are arranged below the bending disc to ensure the strength and durability of the whole bending disc.
BRIEF DESCRIPTION OF THE DRAWINGS
The application is elaborated in detail below with reference to the drawings and specific implementation modes.
Fig. 1 is a schematic structural diagram of a manual pipe bending mechanism according to the application.
Fig. 2 is a schematic structural diagram of a back of a manual pipe bending mechanism according to the application.
Fig. 3 is a schematic diagram of a matching structure between a rotary arm and a bending disc of a manual pipe bending mechanism according to the application.
Fig. 4 is a bottom structure view of a manual pipe bending mechanism in Fig. 3 according to the application.
Fig. 5 is a schematic structural diagram of a clamping assembly and a bending disc of a manual pipe bending mechanism according to the application.
Fig. 6 is a schematic structural diagram of a clamping block of a manual pipe bending mechanism according to the application.
In the figures, reference signs are as follows: 1-bottom plate, 101-supporting block, 2-bending disc, 201-arc-shaped groove, 202-fixed shaft, 203-connecting part, 3-rotary arm, 301-bending abutting block, 3011-groove, 302-rotating part, 303-hand lever, 304-connector, 4-clamping assembly, 401-base, 402-connecting rod, 403-handle, 404-abutting joint, 5-clamping block, and 501-curved groove.
DETAILED DESCRIPTION OF THE EMBODIMENTS
In order to more clearly illustrate the application, the application will be further described below in conjunction with the preferred embodiments. It should be understood by those skilled in the art that the following detailed description is illustrative rather than restrictive, and is not intended to limit the scope of protection of the application.
In the description of the application, it is to be noted that the orientations or positional relationships indicated by the terms "center", "upper", "down", "left", "right", "vertical", "horizontal", "front", "rear", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing LU504367 the application and simplifying the description. The description does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the application.
In the description of the application, it is to be noted that the terms "install", "connect", "set" should be broadly understood, unless otherwise specified and defined, for example, may be fixedly connected, set, or detachably connected, set, or integrally connected, set. The specific meaning of the above-mentioned terminology in the application may be understood by those of ordinary skill in the art in specific circumstances.
As shown in Figs. 1 to 6, a manual pipe bending mechanism includes a bottom plate 1. A bending disc 2 is arranged above the bottom plate 1. A rotary arm 3 is coaxially arranged below the center of the bending disc 2, and the rotary arm 3 is provided with a bending abutting block 301, and when the rotary arm 3 rotates around the center of the bending disc, the bending abutting block 301 remains tangent to the bending disc 2. The bottom plate 1 is provided with a clamping assembly 4 parallel to the rotary arm 3, and an output end of the clamping assembly 4 abuts against the bending disc 2, so that a pipe is fixed. One side of the bending disc 2 on the bottom plate 1 is provided with a clamping block 5, so that a pipe end is clamped in the clamping block 5.
A new manual bending mechanism is designed to bend objects such as pipes and steel bars. The overall structure is simple. By using the bending disc and the bending abutting block on the rotary arm, through the manual control, the pipes or steel bars may be freely bent to 0-180 degrees.
Further, the bending disc 2 is semicircular, and is provided with an arc-shaped groove 201 adapted to the pipe on the circumferential side of a semicircle. The center of the bending disc 2 is connected to the bottom plate 1 through a fixed shaft 20. Two protruding connection parts 203 extend from a straight edge of the bending disc 2 toward the direction of the bottom plate 1, and are connected to the bottom plate through fasteners.
The semicircle of the bending disc determines that the maximum bending angle of the pipe and the steel bar is 180 degrees. At the same time, three fixed points, two connecting parts and the fixed shaft are arranged below the bending disc to ensure the strength and durability of the whole bending disc. LU504367
Further, the rotary arm 3 includes a rotating part 302 rotatably connected to the fixed shaft 202, a hand lever 303 located at a tail end of the rotating part 302, and the bending abutting block 301 arranged on the rotating part 302. The rotating part 302 is 5 provided with a connector 304 configured to connect an external power piece.
Further, the clamping assembly 4 includes a base 401 fixedly arranged on the bottom plate 1, a connecting rod 402 arranged on the base 401, and a handle 403 hinged to a tail end of the connecting rod 402 and the base 401. The other end of the connecting rod 402 is provided with an abutting joint 404, which is driven by the connecting rod 402 to move close to or away from the bending disc. A middle part of the handle 403 is hinged with the connecting rod 402, and a tail end thereof is hinged with the base 401, so that two hinged points on the handle 403 and the tail end of the connecting rod form a triangular structure.
Further, the clamping block 5 is provided with a curved groove 501 configured to abut against a pipe head.
Further, the bending abutting block 301 is strip-shaped, is provided with a groove 3011 configured to accommodate the pipe on a side toward the bending disc, and is spliced with the arc-shaped groove of the bending disc to form a closed channel. One side of the bending disc on the bottom plate 1 is provided with a supporting block 101.
A working principle of an apparatus is as follows.
A pipe that needs to be bent is placed between the bending disc and the abutting joint, the handle is toggled, and the abutting joint abuts against the bending disc through the connecting rod, so that the pipe is clamped.
Through manual rotation of the hand level, the bending abutting block may bend the pipe.
It is apparent that the above-mentioned embodiments of the application are only examples for clearly illustrating the application and are not intended to limit the implementation modes of the application. Other variations or modifications in various forms may be made by those of ordinary skill in the art based on the above description. There is no need and no way to exhaust all of the implementation modes.
Any apparent variations or modifications derived from the technical solutions of the application are still within the scope of protection of the application.

Claims (7)

CLAIMS LU504367
1. A manual pipe bending mechanism, comprising a bottom plate, wherein bending disc is arranged above the bottom plate; a rotary arm is coaxially arranged below the center of the bending disc, the rotary arm is provided with a bending abutting block, and when the rotary arm rotates around the center of the bending disc, the bending abutting block remains tangent to the bending disc; the bottom plate is provided with a clamping assembly parallel to the rotary arm, and an output end of the clamping assembly abuts against the bending disc, so that a pipe is fixed; and one side of the bending disc on the bottom plate is provided with a clamping block, so that a pipe end is clamped in the clamping block.
2. The manual pipe bending mechanism as claimed in claim 1, wherein the bending disc is semicircular, and is provided with an arc-shaped groove adapted to the pipe on the circumferential side of a semicircle; the center of the bending disc is connected to the bottom plate through a fixed shaft; and two protruding connection parts extend from a straight edge of the bending disc toward the direction of the bottom plate, and are connected to the bottom plate through fasteners.
3. The manual pipe bending mechanism as claimed in claim 2, wherein the rotary arm comprises a rotating part rotatably connected to the fixed shaft, a hand lever located at a tail end of the rotating part, and the bending abutting block arranged on the rotating part, wherein the rotating part is provided with a connector configured to connect an external power piece.
4. The manual pipe bending mechanism as claimed in claim 1, wherein the clamping assembly comprises a base fixedly arranged on the bottom plate, a connecting rod arranged on the base, and a handle hinged to a tail end of the connecting rod and the base, wherein the other end of the connecting rod is provided with an abutting joint, which is driven by the connecting rod to move close to or away from the bending disc; and a middle part of the handle is hinged with the connecting rod, and a tail end thereof is hinged with the base, so that two hinged points on the handle and the tail end of the connecting rod form a triangular structure.
5. The manual pipe bending mechanism as claimed in claim 1, wherein the clamping block is provided with a curved groove configured to abut against a pipe head.
6. The manual pipe bending mechanism as claimed in claim 3, wherein the bending abutting block is strip-shaped, is provided with a groove configured to LU504367 accommodate the pipe on a side toward the bending disc, and is spliced with the arc-shaped groove of the bending disc to form a closed channel.
7. The manual pipe bending mechanism as claimed in claim 1, wherein one side of the bending disc on the bottom plate is provided with a supporting block.
LU504367A 2023-04-20 2023-04-29 Manual Pipe Bending Mechanism LU504367B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320898141.4U CN220049562U (en) 2023-04-20 2023-04-20 Manual pipeline bending mechanism

Publications (1)

Publication Number Publication Date
LU504367B1 true LU504367B1 (en) 2023-09-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
LU504367A LU504367B1 (en) 2023-04-20 2023-04-29 Manual Pipe Bending Mechanism

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CN (1) CN220049562U (en)
LU (1) LU504367B1 (en)
WO (1) WO2023151711A2 (en)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN116921517A (en) * 2023-08-18 2023-10-24 中建四局机电安装有限公司 90-degree bending prefabrication tool for hydroelectric installation of round steel lightning protection belt
CN118788887B (en) * 2024-09-14 2024-12-13 泉州市范特西智能科技有限公司 A bending equipment for forming building steel
CN120095015B (en) * 2025-03-18 2025-10-14 保定市玄云涡喷动力设备研发有限公司 Manual pipe bending device of oil supply pipeline of turbojet engine

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US7380430B1 (en) * 2007-03-16 2008-06-03 Christopher J. Rusch Rotary draw tube bender
CN204448947U (en) * 2014-12-22 2015-07-08 陕西泰德汽车空调有限公司 Three-dimensional Manual pipe-bending device
CN204338637U (en) * 2014-12-23 2015-05-20 宁波市鄞州敏达机械有限公司 Bending equipment
CN207204931U (en) * 2017-08-30 2018-04-10 安徽江淮汽车集团股份有限公司 A kind of Bundy tube apparatus for bending
CN207430984U (en) * 2017-11-23 2018-06-01 沈阳海利特汽车空调配件有限公司 Manual pipe-bending device
KR101911671B1 (en) * 2018-07-10 2018-10-24 한종섭 Automatic processing method for bending a rebar
CN109158455A (en) * 2018-08-20 2019-01-08 佛山市澳霆环境设备制造有限公司 A kind of pipe gripping device and the bending machine using the device
CN209189552U (en) * 2018-11-09 2019-08-02 湖北理工学院 A kind of manual tube bender convenient for operation
CN110405016A (en) * 2019-07-01 2019-11-05 十堰楚欣达汽车科技股份有限公司 A kind of Manual pipe bender tool
CN214321398U (en) * 2020-12-01 2021-10-01 西峡县内燃机进排气管有限责任公司 High-precision high-efficiency manual pipe bending device
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CN217596368U (en) * 2022-05-31 2022-10-18 福建嘉得利厨卫发展有限公司 Bending device pipe for water outlet pipe machining
CN217647215U (en) * 2022-08-03 2022-10-25 江西华宸工程装备有限公司 A kind of advertising light box aluminum profile bending machine
CN115488192A (en) * 2022-09-15 2022-12-20 李炎凝 Bending device for assembling metal parts of excavator

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WO2023151711A2 (en) 2023-08-17
WO2023151711A3 (en) 2023-10-05
CN220049562U (en) 2023-11-21

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Effective date: 20230925