Improved pipe bender

Abstract

The utility model discloses an improved pipe bender which comprises an installation base, an operation table is arranged on the installation base, a fixed wheel is fixedly arranged on the operation table, a rotating shaft rotatably penetrates through the operation table, the fixed wheel and the rotating shaft are coaxially arranged, the fixed wheel is rotatably arranged on the rotating shaft in a sleeved mode, and a pipe bending handle is fixedly arranged on the rotating shaft in a sleeved mode. The pipe bending handle extends outwards in the diameter direction of the fixed wheel, a pipe bending wheel is rotatably arranged on the pipe bending handle, a limiting block is slidably arranged on the operation table, and an angle adjusting mechanism used for enabling the pipe bending handle to rotate along the circle center of the installation base so as to adjust the included angle between the fixed wheel and the pipe bending wheel is arranged on the installation base. The distance adjusting mechanism is arranged, the first threaded rod is rotated, and the sliding frame linearly moves in the sliding groove of the pipe bending handle in a reciprocating mode, so that the distance between the pipe bending wheel and the fixed wheel is adjusted, and the pipe bending device can adapt to pipelines with different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe benders, in particular to an improved pipe bender. Background Art

[0002] A pipe bender is a tool for bending and processing pipe fittings, mainly used for bending PVC pipes, metal pipes, etc. During the process of embedding pipes, it is often necessary to bend the pipes. The bending of steel pipes is mainly completed by an automatic pipe bender.

[0003] Chinese Patent CN217550834U discloses a pipe bender. This pipe bender can bend pipe fittings into various different angles, and the operation is simple and convenient; moreover, it only needs to insert different parts of the pipe fitting into the pipe holes and rotate the connecting plate to complete the production of special-shaped pipe fittings, and its production process is simple.

[0004] However, this pipe bender can only be used for bending steel pipes of one size, which limits the scope of use of the pipe bender. If you want to bend different pipe bending radii, you must use other corresponding pipe benders, resulting in cumbersome operation and higher costs.

[0005] Based on this, an improved pipe bender is now provided to eliminate the drawbacks of the existing device. Summary of the Utility Model

[0006] In view of the above problems, an improved pipe bender is provided. By setting a spacing adjustment mechanism and rotating the first threaded rod, the sliding frame reciprocates linearly in the chute of the pipe bending handle, thereby adjusting the spacing between the pipe bending wheel and the fixed wheel, and can adapt to pipes of different diameters, solving the problem that the pipe bender in the background art can only be used for bending steel pipes of one size.

[0007] To solve the problems of the existing technology, the utility model provides the following technical solutions:

[0008] An improved pipe bender, comprising a mounting base, on which an operating table is provided. A fixed wheel is fixedly provided on the operating table. A rotating shaft passes through the operating table in a rotating manner. The fixed wheel is coaxially arranged with the rotating shaft and the fixed wheel is rotatably sleeved on the rotating shaft. A pipe bending handle is fixedly sleeved on the rotating shaft. The pipe bending handle extends outward along the diameter direction of the fixed wheel. A pipe bending wheel is rotatably provided on the pipe bending handle. A limiting block is slidably provided on the operating table. An angle adjustment mechanism is provided on the mounting base for rotating the pipe bending handle along the center of the mounting base to adjust the included angle between the fixed wheel and the pipe bending wheel. A spacing adjustment mechanism is provided on the pipe bending handle for driving the pipe bending wheel to reciprocate linearly along the pipe bending handle to adjust the spacing between the fixed wheel and the pipe bending wheel. An activity mechanism is provided on the operating table for driving the limiting block to slide left and right horizontally on the operating table.

[0009] Preferably, the angle adjustment mechanism includes an installation bin, a rotary motor, a gear, and a toothed ring;

[0010] The installation bin is fixedly arranged on the installation base;

[0011] The gear is rotatably arranged on the installation bin, and the gear meshes with the toothed ring;

[0012] The toothed ring is rotatably arranged on the installation bin, the toothed ring is coaxially arranged with the installation base, and the elbow handle is fixedly connected with the toothed ring through a fixing block;

[0013] The rotary motor is fixedly arranged in the installation bin, and the gear is in transmission connection with the output end of the rotary motor.

[0014] Preferably, the threaded block, the first threaded rod, and the sliding frame;

[0015] The sliding frame is slidably matched with the elbow handle, a sliding groove for the sliding frame to slide is formed in the elbow handle, and the elbow wheel is rotatably arranged on the sliding frame;

[0016] The threaded block is fixedly arranged at the top end of the elbow handle;

[0017] The first threaded rod threadedly penetrates through the threaded block and extends towards both ends, the sliding frame is fixedly arranged at one end of the first threaded rod, and a first operation handle is fixedly arranged at the other end of the first threaded rod.

[0018] Preferably, the moving mechanism includes an installation groove, a second threaded rod, a second operation handle, and a threaded slider;

[0019] The installation groove is formed in the operation table;

[0020] One end of the second threaded rod is rotatably arranged on the side wall of the installation groove, and the other end of the second threaded rod rotatably penetrates through the installation groove and extends outwards;

[0021] The threaded slider is threadedly sleeved on the second threaded rod, and the limiting block is fixedly arranged on the top surface of the threaded slider;

[0022] The second operation handle is fixedly arranged at one end of the second threaded rod that penetrates through the installation groove and extends outwards.

[0023] Preferably, scale lines are evenly arranged at equal intervals along the circumference of the fixed wheel, and a pointer for cooperating with the scale lines is arranged at the top end of the elbow handle.

[0024] Preferably, a plurality of fixed wheels and elbow wheels are provided, and the plurality of fixed wheels and elbow wheels are coaxially arranged.

[0025] Preferably, the cross section of the limiting block is I-shaped, and reinforcing ribs are fixedly arranged on the side surface.

[0026] Preferably, a protective housing is sleeved on the gear, and the protective housing is fixedly arranged on the installation bin.

[0027] The beneficial effects of the present utility model compared with the prior art are as follows:

[0028] 1. By setting an angle adjustment mechanism in the present utility model, the rotation motor is started to drive the gear to rotate. The gear meshes with the toothed ring, thereby driving the toothed ring to rotate around the rotating shaft. Since the elbow handle is fixedly connected to the toothed ring, the elbow handle is rotated, thereby adjusting the angle between the fixed wheel and the elbow wheel, and electrically adjusting the angle, achieving the effect of controlling the bending angle of the steel pipe.

[0029] 2. By setting a spacing adjustment mechanism in the present utility model, the first threaded rod is rotated to make the sliding frame reciprocate linearly in the chute of the elbow handle, thereby adjusting the spacing between the elbow wheel and the fixed wheel, and can adapt to pipes of different diameters, achieving the effect of meeting the bending of steel pipes with different diameters. Description of the Drawings

[0030] Figure 1 is a three-dimensional structural schematic diagram of an improved pipe bender Figure 1 .

[0031] Figure 2 is a sectional view of an improved pipe bender.

[0032] Figure 3 is a plan view of an improved pipe bender.

[0033] Figure 4 is a sectional three-dimensional structural schematic diagram of an improved pipe bender.

[0034] Figure 5 is a three-dimensional structural schematic diagram of the movable mechanism of an improved pipe bender.

[0035] Figure 6 is a sectional three-dimensional structural schematic diagram of the angle adjustment mechanism of an improved pipe bender.

[0036] Figure 7 is Figure 1 the enlarged view at B in

[0037] Annotation of reference numerals: 100, mounting base; 101, operating table; 102, fixed wheel; 103, elbow handle; 104, elbow wheel; 105, limit block; 106, pointer; 107, scale line; 108, rotating shaft; 200, angle adjusting mechanism; 201, installation bin; 202, rotating motor; 203, gear; 204, toothed ring; 205, protective housing; 300, spacing adjusting mechanism; 301, threaded block; 302, first threaded rod; 303, sliding frame; 304, sliding groove; 305, first operating handle; 400, moving mechanism; 401, installation groove; 402, second threaded rod; 403, second operating handle; 404, threaded slider. Detailed implementation manners

[0038] To further understand the features, technical means, and specific purposes and functions achieved by the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0039] See Figures 1-7 As shown, an improved pipe bender includes a mounting base 100. An operating table 101 is provided on the mounting base 100. A fixed wheel 102 is fixedly provided on the operating table 101. A rotating shaft 108 penetrates through the operating table 101 in a rotating manner. The fixed wheel 102 is coaxially arranged with the rotating shaft 108 and the fixed wheel 102 is rotatably sleeved on the rotating shaft 108. An elbow handle 103 is fixedly sleeved on the rotating shaft 108. The elbow handle 103 extends outward along the diameter direction of the fixed wheel 102. An elbow wheel 104 is rotatably provided on the elbow handle 103. A limit block 105 is slidably provided on the operating table 101. An angle adjusting mechanism 200 for rotating the elbow handle 103 along the center of the mounting base 100 to adjust the included angle between the fixed wheel 102 and the elbow wheel 104 is provided on the mounting base 100. A spacing adjusting mechanism 300 for driving the elbow wheel 104 to move linearly back and forth along the elbow handle 103 to adjust the spacing between the fixed wheel 102 and the elbow wheel 104 is provided on the elbow handle 103. A moving mechanism 400 for driving the limit block 105 to slide horizontally left and right on the operating table 101 is provided on the operating table 101.

[0040] When in use, the steel pipe is passed through between the fixed wheel 102 and the pipe bending wheel 104 and through the limit block 105 at the same time, and the angle adjustment mechanism 200 is started to make the pipe bending handle 103 rotate around the rotating shaft 108, so as to adjust the angle between the fixed wheel 102 and the pipe bending wheel 104 to bend the steel pipe. When steel pipes of different diameters need to be bent, the spacing adjustment mechanism 300 is rotated to make the pipe bending wheel 104 reciprocate along the pipe bending handle 103 in a straight line, so as to adjust the spacing between the fixed wheel 102 and the pipe bending wheel 104, so as to achieve the effect of bending steel pipes of different diameters. The limit block 105 slides on the operating table 101 to limit the movement range of the pipeline and ensure the accuracy and safety of the bending.

[0041] See also Figures 3-6 As shown, the angle adjustment mechanism 200 includes an installation chamber 201, a rotating motor 202, a gear 203 and a gear ring 204, the installation chamber 201 is fixedly arranged on the installation base 100, the gear 203 is rotatably arranged on the installation chamber 201, the gear 203 is meshed with the gear ring 204, the gear ring 204 is rotatably arranged on the installation chamber 201, the gear ring 204 is coaxially arranged with the installation base 100, the elbow handle 103 is fixedly connected with the gear ring 204 through a fixing block, the rotating motor 202 is fixedly arranged in the installation chamber 201, and the gear 203 is transmission-connected with the output end of the rotating motor 202.

[0042] The rotating motor 202 is started to drive the gear 203 to rotate, and the gear 203 is meshed with the gear ring 204, thereby driving the gear ring 204 to rotate around the rotating shaft 108. Since the pipe bending handle 103 and the gear ring 204 are fixedly connected, the gear ring 204 rotates when the gear ring 204 rotates, thereby adjusting the angle between the fixed wheel 102 and the pipe bending wheel 104.

[0043] See also Figures 2-4 As shown, the spacing adjustment mechanism 300 includes a threaded block 301, a first threaded rod 302 and a sliding frame 303. The sliding frame 303 is slidably matched with the bending handle 103. The bending handle 103 is provided with a sliding groove 304 for the sliding frame 303 to slide. The bending wheel 104 is rotatably arranged on the sliding frame 303. The threaded block 301 is fixedly arranged on the top of the bending handle 103. The first threaded rod 302 threads through the threaded block 301 and extends to both ends. The sliding frame 303 is fixedly arranged at one end of the first threaded rod 302, and the other end of the first threaded rod 302 is fixedly provided with a first operating handle 305.

[0044] The first threaded rod 302 is rotated to make the sliding frame 303 reciprocate in the sliding groove 304 on the pipe bending handle 103, so as to adjust the distance between the pipe bending wheel 104 and the fixed wheel 102 to adapt to the bending of pipes with different diameters.

[0045] See Figure 5 As shown, the movable mechanism 400 includes an installation groove 401, a second threaded rod 402, a second operating handle 403, and a threaded slider 404. The installation groove 401 is opened on the operating table 101. One end of the second threaded rod 402 is rotatably arranged on the side wall of the installation groove 401. The other end of the second threaded rod 402 rotatably penetrates through the installation groove 401 and extends outward. A threaded slider 404 is sleeved on the second threaded rod 402. A limit block 105 is fixedly arranged on the top surface of the threaded slider 404. The second operating handle 403 is fixedly arranged at one end of the second threaded rod 402 that penetrates through the installation groove 401 and extends outward.

[0046] By rotating the second threaded rod 402, the threaded slider 404 is driven to slide left and right in the installation groove 401 on the operating table 101, thereby driving the limit block 105 to move. The position of the limit block 105 can be adjusted according to actual needs to adapt to the bending requirements of pipes with different lengths and diameters.

[0047] See Figure 7 As shown, scale lines 107 are evenly arranged at equal intervals along the circumference of the fixed wheel 102. A pointer 106 that cooperates with the scale lines 107 is arranged at the top end of the pipe bending handle 103.

[0048] The scale lines 107 on the pipe bending wheel 104 cooperate with the pointer 106 on the pipe bending handle 103. By the pointer 106 pointing to different scale lines 107, the angle of pipe bending is indicated, providing an intuitive angle indication method, which is convenient for operators to observe and adjust the pipe bending angle.

[0049] See Figure 1 and Figure 2 As shown, a plurality of fixed wheels 102 and pipe bending wheels 104 are provided, and the plurality of fixed wheels 102 and pipe bending wheels 104 are coaxially arranged.

[0050] The coaxially arranged plurality of fixed wheels 102 and pipe bending wheels 104 can bend a plurality of pipes simultaneously, improving the processing capacity and efficiency of the pipe bender.

[0051] See Figures 1-5 As shown, the cross-section of the limit block 105 is in an I shape, and reinforcing ribs are fixedly arranged on the side surface.

[0052] The I-shaped cross-section and the reinforcing ribs enhance the rigidity and stability of the limit block 105, making it not easily deformed during the pipe bending process, and improving the service life and reliability of the limit block 105.

[0053] See Figures 1-4 As shown, a protective housing 205 is sleeved on the gear 203, and the protective housing 205 is fixedly arranged on the installation bin 201.

[0054] The protective housing 205 is fixed on the installation bin 201, covering a part of the gear 203 to prevent dust and sundries from entering and affecting the normal operation of the gear 203 and the gear ring 204.

[0055] The above embodiments only represent one or several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the appended claims.

Claims

1. An improved pipe bender, characterized in that, It includes an installation base (100), on which an operating table (101) is provided. A fixed wheel (102) is fixedly arranged on the operating table (101). A rotating shaft (108) penetrates through the operating table (101) rotatably. The fixed wheel (102) is coaxially arranged with the rotating shaft (108) and the fixed wheel (102) is rotatably sleeved on the rotating shaft (108). A bent pipe handle (103) is fixedly sleeved on the rotating shaft (108). The bent pipe handle (103) extends outward along the diameter direction of the fixed wheel (102). A bent pipe wheel (104) is rotatably arranged on the bent pipe handle (103). A limiting block (105) is slidably arranged on the operating table (101). An angle adjusting mechanism (200) for rotating the bent pipe handle (103) along the center of the installation base (100) to adjust the included angle between the fixed wheel (102) and the bent pipe wheel (104) is provided on the installation base (100). A spacing adjusting mechanism (300) for driving the bent pipe wheel (104) to move linearly back and forth along the bent pipe handle (103) to adjust the spacing between the fixed wheel (102) and the bent pipe wheel (104) is provided on the bent pipe handle (103). An activity mechanism (400) for driving the limiting block (105) to slide horizontally left and right on the operating table (101) is provided on the operating table (101).

2. An improved pipe bender according to claim 1, characterized in that, The angle adjusting mechanism (200) includes an installation bin (201), a rotating motor (202), a gear (203) and a toothed ring (204); The installation bin (201) is fixedly arranged on the installation base (100); The gear (203) is rotatably arranged on the installation bin (201), and the gear (203) meshes with the toothed ring (204); The toothed ring (204) is rotatably arranged on the installation bin (201), the toothed ring (204) is coaxially arranged with the installation base (100), and the bent pipe handle (103) is fixedly connected to the toothed ring (204) through a fixed block; The rotating motor (202) is fixedly arranged in the installation bin (201), and the gear (203) is in transmission connection with the output end of the rotating motor (202).

3. An improved pipe bender according to claim 1, characterized in that, The spacing adjusting mechanism (300) includes a threaded block (301), a first threaded rod (302) and a sliding frame (303); The sliding frame (303) is slidably matched with the bent pipe handle (103). A sliding groove (304) for the sliding frame (303) to slide is formed on the bent pipe handle (103). The bent pipe wheel (104) is rotatably arranged on the sliding frame (303); The threaded block (301) is fixedly arranged at the top end of the bent pipe handle (103); The first threaded rod (302) threadedly penetrates through the threaded block (301) and extends towards both ends. The sliding frame (303) is fixedly arranged at one end of the first threaded rod (302). A first operating handle (305) is fixedly arranged at the other end of the first threaded rod (302).

4. An improved pipe bender according to claim 1, characterized in that, The activity mechanism (400) includes an installation groove (401), a second threaded rod (402), a second operating handle (403) and a threaded slider (404); The installation groove (401) is formed on the operation table (101); One end of the second threaded rod (402) is rotatably arranged on the side wall of the installation groove (401), and the other end of the second threaded rod (402) rotatably penetrates through the installation groove (401) and extends outwards; A threaded slider (404) is sleeved on the second threaded rod (402), and a limiting block (105) is fixedly arranged on the top surface of the threaded slider (404); The second operation handle (403) is fixedly arranged at one end of the second threaded rod (402) that penetrates through the installation groove (401) and extends outwards.

5. An improved pipe bender according to claim 1, characterized in that, Scale lines (107) are evenly arranged at equal intervals along the circumference of the fixed wheel (102), and a pointer (106) that cooperates with the scale lines (107) is arranged at the top end of the elbow handle (103).

6. An improved pipe bender according to claim 1, characterized in that, A plurality of fixed wheels (102) and elbow wheels (104) are provided, and the plurality of fixed wheels (102) and elbow wheels (104) are coaxially arranged.

7. An improved pipe bender according to claim 1, characterized in that, The cross-section of the limiting block (105) is in an I shape, and a reinforcing rib is fixedly arranged on the side surface.

8. An improved pipe bender according to claim 2, wherein, A protective housing (205) is sleeved on the gear (203), and the protective housing (205) is fixedly arranged on the installation bin (201).

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