Tool for bending pipe

Abstract

The utility model discloses a tool for bending a pipe, which comprises a manual bending mechanism and a pedal auxiliary mechanism, the manual bending mechanism is used for manually bending a pipe fitting to enable the pipe fitting to be bent to a preset angle, and the pedal auxiliary mechanism is used for pedaling in the pipe fitting bending process to enable the pipe fitting to be bent to a preset angle. And the pipe fitting can be bent in cooperation with a manual bending mechanism. When a pipe fitting is bent, the pipe fitting is firstly placed in the manual bending mechanism, and the pipe fitting can be bent by manually operating the manual bending mechanism by a person and matching with treading of the pedal auxiliary mechanism by the person. Compared with the prior art that the pipe fitting is bent only by means of hand strength, the tool for bending the pipe fitting disclosed by the utility model has the advantages that the pipe fitting is bent by means of foot strength and hand strength of an operator, time and labor can be saved, and the bent pipe can be quickly formed.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a tool for bending pipes. Background Art

[0002] Currently, when bending PVC pipes, usually one end of a bending spring for PVC pipes is tied with a BV wire, and the other end is inserted into the PVC pipe. According to the required bending length of the pipe, the insertion depth of the bending spring is determined. Then, with the strength of the hand and the knee as a support point, the PVC pipe is bent. It is necessary to bend 180° multiple times and release it before the PVC pipe can be in a 90-degree vertical state. The above-mentioned pipe bending method is not only time-consuming and laborious, but also the pipe bending forming speed is slow.

[0003] Therefore, how to provide a tool for bending pipes, which can save time and effort and thus achieve rapid forming, is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide a tool for bending pipes, which can save time and effort and thus achieve rapid forming.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A tool for bending pipes, comprising:

[0007] A manual bending mechanism for manually bending a pipe fitting so that the pipe fitting is bent into a preset angle;

[0008] A foot pedal assisting mechanism for stepping on the foot during the bending process of the pipe fitting to cooperate with the manual bending mechanism to realize the bending of the pipe fitting.

[0009] Optionally, the manual bending mechanism includes a handle, a sleeve, a bending spring and a length positioning hook;

[0010] The sleeve is connected to the handle, the bending spring is placed in the sleeve, the pipe fitting is sleeved on the bending spring, and one end of the pipe fitting can pass through the sleeve and abut against the length positioning hook;

[0011] The handle is provided with a length adjustment hole for cooperating with the length positioning hook for connection.

[0012] Optionally, there are multiple length adjustment holes, which are arranged in sequence along the length direction of the handle.

[0013] Optionally, the length positioning hook includes a first positioning part and a second positioning part connected to each other. The first positioning part is connected to the handle, and the second positioning part is connected to the bending spring.

[0014] Optionally, the manual bending mechanism further includes a sleeve leg, and the sleeve leg is disposed at an end of the sleeve away from the handle.

[0015] Optionally, it further includes an inner bending support roller, and the inner bending support roller is disposed on the sleeve and on a side opposite to the sleeve leg.

[0016] Optionally, it further includes pipe fitting fixing ribs. There are two pipe fitting fixing ribs, and they are respectively disposed on both sides of the inner bending support roller;

[0017] The distance between the two pipe fitting fixing ribs is greater than or equal to the outer diameter of the pipe fitting.

[0018] Optionally, the pipe fitting fixing rib is an arc-shaped structure that is shaped like the inner pipe support roller;

[0019] The distance between the two pipe fitting fixing ribs is 2 mm - 10 mm larger than the outer diameter of the pipe fitting.

[0020] Optionally, it further includes a fixing reinforcing rib, and two ends of the fixing reinforcing rib are respectively connected to the sleeve and the inner bending support roller.

[0021] Optionally, the foot pedal assisting mechanism includes an auxiliary foot pedal frame and a fixing ring. The fixing ring is fixed on the fixing reinforcing rib, and the auxiliary foot pedal frame is movably installed on the fixing ring.

[0022] It can be seen from the above technical solutions that when bending a pipe fitting, first place the pipe fitting in the manual bending mechanism, and through manual operation of the manual bending mechanism by personnel, and cooperating with personnel stepping on the foot pedal assisting mechanism with their feet, the bending of the pipe fitting can be achieved.

[0023] Compared with the prior art where the pipe fitting is bent only by the strength of the hand, the tool for bending a pipe fitting disclosed in the embodiment of the present invention realizes the bending of the pipe fitting by using the strength of the operator's feet and hands together, which can save time and effort, and thus achieve the rapid forming of the bent pipe. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following briefly introduces the drawings required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0025] Figure 1 It is the front view of the tool for bending a pipe fitting disclosed in the embodiment of the present invention;

[0026] Figure 2Top view of the tool for bending pipes disclosed in the embodiments of the present utility model;

[0027] Figure 3 Left view of the tool for bending pipes disclosed in the embodiments of the present utility model;

[0028] Figure 4 Right view of the tool for bending pipes disclosed in the embodiments of the present utility model.

[0029] Reference numerals:

[0030] 100, manual bending mechanism; 101, handle; 1011, length adjustment hole; 102, sleeve; 103, bending spring; 104, length positioning hook; 105, sleeve leg; 200, inner bending support roller; 300, pipe fitting fixing rib; 400, foot pedal auxiliary mechanism; 401, fixing ring; 402, auxiliary foot pedal; 500, fixing reinforcing rib. Detailed implementation manners

[0031] In view of this, the core of the present utility model is to provide a tool for bending pipes, which can save time and effort, so as to achieve rapid prototyping.

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Please refer to Figures 1 to 4 .

[0033] The tool for bending pipes disclosed in the embodiments of the present utility model includes a manual bending mechanism 100 and a foot pedal auxiliary mechanism 200. Among them, the manual bending mechanism 100 is used to manually bend the pipe fitting so that the pipe fitting is bent into a preset angle, and the foot pedal auxiliary mechanism 400 is used to step on the foot during the bending process of the pipe fitting to cooperate with the manual bending mechanism 100 to realize the bending of the pipe fitting.

[0034] When bending a pipe fitting, first place the pipe fitting in the manual bending mechanism 100, and by manually operating the manual bending mechanism 100 by personnel and cooperating with the personnel stepping on the foot pedal auxiliary mechanism 200, the bending of the pipe fitting can be realized.

[0035] Compared with the prior art in which only the strength of the hand is relied on to bend the pipe fitting, the tool for bending pipes disclosed in the embodiments of the present utility model realizes the bending of the pipe fitting by using the strength of the operator's feet and hands together, which can save time and effort, so as to achieve the rapid prototyping of the pipe bending.

[0036] The embodiments of the present utility model do not limit the specific structure of the manual bending mechanism 100, and any structure that meets the usage requirements of the present utility model is within the protection scope of the present utility model.

[0037] As one of the embodiments, the manual bending mechanism 100 disclosed in the embodiments of the present utility model includes a handle 101, a sleeve 102, a bending spring 103, and a length positioning hook 104.

[0038] Among them, the sleeve 102 is connected to the handle 101. The bending spring 103 is placed inside the sleeve 102. The pipe fitting is sleeved on the bending spring 103, and one end of the pipe fitting can pass through the sleeve 102 and abut against the length positioning hook 104.

[0039] The handle 101 is provided with a length adjustment hole 1011, which is used for cooperating and connecting with the length positioning hook 104.

[0040] Among them, the handle 101 is the force - applying part when grasping the bent pipe. When bending the pipe fitting, the handle 101 needs to be manually lifted.

[0041] The embodiments of the present utility model can select different outer diameters of the bending spring 103 according to the different diameters of the pipe fittings to be bent, so as to cooperate with different specifications of pipe fittings.

[0042] Preferably, both the handle 101 and the sleeve 102 disclosed in the embodiments of the present utility model are made of metal materials. More preferably, both the handle 101 and the sleeve 102 disclosed in the embodiments of the present utility model are made of galvanized steel pipes.

[0043] In actual work, bent pipe fittings with a fixed length are usually required. In order to make the length of each bent pipe fitting consistent, the length adjustment holes 1011 disclosed in the embodiments of the present utility model are multiple and are arranged in sequence along the length direction of the handle 101.

[0044] When it is necessary to bend the pipe fitting, first, the position of the length positioning hook 104 needs to be adjusted according to the length of the bent pipe fitting, so that one end of the length positioning hook 104 is connected to its corresponding length adjustment hole 1011, and the other end is connected to the bending spring 103. Then, the pipe fitting is sleeved on the bending spring 103. Among them, one end of the pipe fitting passes through the sleeve 102 and abuts against the length positioning hook 104. Then, the operator manually lifts the handle 101 to realize the bending of the pipe fitting. With such a setting, the consistency of the pipe fitting length can be achieved, and the overall visual effect of the completed pipe fitting is better.

[0045] The embodiments of the present utility model do not limit the specific structure of the length positioning hook 104, and any structure that meets the usage requirements of the present utility model is within the protection scope of the present utility model.

[0046] As one of the embodiments, the length positioning hook 104 disclosed in the embodiments of the present utility model includes a connected first positioning portion and a second positioning portion, wherein the first positioning portion is connected to the handle 101, and the second positioning portion is connected to the bending spring 103.

[0047] Specifically, a hook is provided on the bending spring 103, and the second positioning portion is connected to the hook on the bending spring 103.

[0048] As a further embodiment, the manual bending mechanism 100 disclosed in the embodiments of the present utility model further includes a sleeve leg 105, wherein the sleeve leg 105 is disposed at an end of the sleeve 102 away from the handle 101. With such a setting, when bending a pipe, the manual bending mechanism 100 is placed obliquely, which can not only further improve the operation convenience, but also reduce the resistance during pipe bending, thereby improving the forming speed of the pipe fitting.

[0049] The embodiments of the present utility model do not limit the specific structure of the sleeve leg 105. The sleeve leg 105 can be a cylindrical structure, a rectangular structure, or of course other structures, as long as the structure that meets the use requirements of the present utility model is within the protection scope of the present utility model.

[0050] As one of the embodiments, the sleeve leg 105 disclosed in the embodiments of the present utility model is a semi-circular arc structure.

[0051] As a further embodiment, the tool for pipe bending disclosed in the embodiments of the present utility model further includes an inner bending support roller 200, wherein the inner bending support roller 200 is disposed on the sleeve 102 and on a side opposite to the sleeve leg 105.

[0052] When bending a pipe fitting, lift the handle 101, and the inner bending support roller 200 will contact the pipe fitting to support the pipe fitting, thereby avoiding bending the pipe fitting.

[0053] In order to position the pipe fitting during the pipe bending process, the tool for pipe bending disclosed in the embodiments of the present utility model further includes pipe fitting fixing ribs 300. There are two pipe fitting fixing ribs 300, which are respectively disposed on both sides of the inner bending support roller 200.

[0054] Wherein, the distance between the two pipe fitting fixing ribs 300 is greater than or equal to the outer diameter of the pipe fitting.

[0055] When bending the pipe fitting, lift the handle 101, the inner bending support roller 200 contacts the outer wall of the pipe fitting, and the two pipe fitting fixing ribs 300 are respectively placed on both sides of the pipe fitting to position the pipe fitting.

[0056] As a specific embodiment, the distance between the two pipe fixing ribs 300 disclosed in the embodiments of the present utility model is 2 mm - 10 mm larger than the outer diameter of the pipe.

[0057] As a further embodiment, the tool for bending pipes disclosed in the embodiments of the present utility model further includes a fixing reinforcing rib 500, wherein both ends of the fixing reinforcing rib 500 are respectively connected to the sleeve 102 and the inner bending support roller 200. With such a setting, the handle 101, the sleeve 102 and the inner bending support roller 200 are connected as a whole, thereby improving the stability of the entire tool.

[0058] The embodiments of the present utility model do not limit the specific structure of the foot pedal assisting mechanism 400, and any structure that meets the usage requirements of the present utility model is within the protection scope of the present utility model.

[0059] As one of the embodiments, the foot pedal assisting mechanism 400 disclosed in the embodiments of the present utility model includes an auxiliary foot pedal frame 402 and a fixing ring 401, wherein the fixing ring 401 is fixed on the fixing reinforcing rib 500, and the auxiliary foot pedal frame 402 is movably installed on the fixing ring 401.

[0060] With such a setting, the auxiliary foot pedal frame 402 can assist the handle 101 in exerting force. When bending a pipe, the bending spring 103 penetrates into the pipe, making the sleeve leg 105 touch the ground. Step on the auxiliary foot pedal frame 402 with one foot, hold the handle 101 with the hand, and exert force simultaneously to complete the pipe bending work.

[0061] The embodiments of the present utility model do not limit the specific structure of the auxiliary foot pedal frame 402. The auxiliary foot pedal frame 402 can be a rectangular frame structure, a circular structure, or other structures. Any structure that meets the usage requirements of the present utility model is within the protection scope of the present utility model.

[0062] As a preferred embodiment, the auxiliary foot pedal frame 402 disclosed in the embodiments of the present utility model is a rectangular frame structure.

[0063] The embodiments of the present utility model do not limit the specific material of the pipe. Any material that meets the usage requirements of the present utility model is within the protection scope of the present utility model.

[0064] As one of the embodiments, the pipe disclosed in the embodiments of the present utility model is a PVC pipe.

[0065] The specific usage method of this tool is as follows:

[0066] Put one end of the pipe fitting to be bent onto the bending spring 103, pass it through the sleeve 102, and make one end of it abut against the length positioning hook 104. Place this tool flat. At this time, the sleeve leg 105 supports on the ground, and the inner bending support roller 200 is placed on top of the sleeve 102. The operator manually lifts the handle 101 and steps on the auxiliary footrest 402. Under the combined force of the hand and the foot, the pipe fitting tends to bend 180 degrees on the inner bending support roller 200 under the clamping of the pipe fitting fixing rib, stay for 5 seconds, and then release the handle 101. The pipe fitting presents a 90-degree right angle state, and the completed pipe fitting can be taken off.

[0067] Finally, it should also be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0068] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0069] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tool for bending a pipe, characterized in that: include: A manual bending mechanism, used to manually bend the pipe so that the pipe is bent to a preset angle; The pedal assist mechanism is used for pedaling during the bending process of the pipe fitting to cooperate with the manual bending mechanism to achieve bending of the pipe fitting.

2. The tool for bending a pipe according to claim 1, characterized in that: The manual bending mechanism comprises a handle, a sleeve, a bending spring and a length positioning hook; The sleeve is connected to the handle, the bending spring is placed in the sleeve, the pipe is sleeved on the bending spring, and one end of the pipe can pass through the sleeve and abut against the length positioning hook; The handle is provided with a length adjustment hole, and the length adjustment hole is used for being matched and connected with the length positioning hook.

3. The tool for bending a pipe according to claim 2, characterized in that: There are multiple length adjustment holes, which are arranged in sequence along the length direction of the handle.

4. The tool for bending a pipe according to claim 2, characterized in that: The length positioning hook comprises a first positioning portion and a second positioning portion connected to each other, the first positioning portion is connected to the handle, and the second positioning portion is connected to the bending spring.

5. The tool for bending a pipe according to claim 2, characterized in that: The manual bending mechanism further comprises a sleeve leg, and the sleeve leg is arranged at an end of the sleeve away from the handle.

6. The tool for bending a pipe according to claim 5, characterized in that: It also includes an inwardly curved support roller, which is arranged on the sleeve and on a side opposite to the sleeve legs.

7. The tool for bending a pipe according to claim 6, characterized in that: It also includes a pipe fixing rib, wherein the pipe fixing rib is two and is respectively arranged on both sides of the inner curved support roller; The distance between the two pipe fixing ribs is greater than or equal to the outer diameter of the pipe.

8. The tool for bending a pipe according to claim 7, characterized in that: The pipe fixing rib is an arc-shaped structure that conforms to the inner pipe supporting roller; The distance between the two pipe fixing ribs is 2 mm to 10 mm larger than the outer diameter of the pipe.

9. The tool for bending a pipe according to claim 6, characterized in that: It also includes fixed reinforcing ribs, and two ends of the fixed reinforcing ribs are respectively connected to the sleeve and the inner curved support roller.

10. The tool for bending a pipe according to claim 9, characterized in that: The pedal auxiliary mechanism comprises an auxiliary pedal frame and a fixing ring, wherein the fixing ring is fixed on the fixing reinforcement rib, and the auxiliary pedal frame is movably mounted on the fixing ring.

Images