Hand-held bending device for buried wire pipe

Abstract

A handheld bending device for a wire embedding pipe comprises a scissor mechanism, a fixing device is arranged at the working end of the scissor mechanism and used for fixing the wire embedding pipe, and a jacking and bending mechanism is arranged on the scissor mechanism and used for bending the wire embedding pipe. Through cooperation of the fixing device and the top bending mechanism, the fixing device can adapt to and limit the buried wire pipes with different pipe diameters, after the buried wire pipes are limited, the positioning mechanism enables the bending piece to move upwards through an arc rod and an arc-shaped sliding groove which are installed on the left working arm and the right working arm respectively, and finally the buried wire pipes are bent.

Description

TECHNICAL FIELD

[0001] The utility model relates to manual processing technical field, especially hand -held type bending device of buried wire pipe. BACKGROUND

[0002] In the process of indoor building decoration construction, the line pipe needs to be buried according to the design requirement, to ensure the safety of the line, and facilitate the later detection and maintenance, the threading pipe is a white hard PVC line pipe, anticorrosion, leakage protection, threading pipe for electric wire, used in normal indoor environment and in high temperature, dusty, vibrating and fire hazard place, also can be used in humid place, when installing the buried wire pipe, it needs to be fixed through the buried wire device, the existing buried wire device mostly fixes the middle part of the buried wire pipe through the clamping structure, at the bending and intersection of the line, only the bending pipe or cutting butt joint can be used to realize the turning and intersection of the pipeline. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a hand -held type bending device of buried wire pipe to solve the above-mentioned problems of prior art.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A hand -held type bending device of buried wire pipe, including scissors mechanism, the fixed device is provided on the working end of scissors mechanism, and the fixed device is used for fixing buried wire pipe, the top bending mechanism is provided on the scissors mechanism, and the top bending mechanism is used for bending buried wire pipe.

[0006] Through the above technical scheme, the overall size of the scissors mechanism is about three to four times of the ordinary scissors, the fixed device on the scissors mechanism can pass the buried wire pipe from both ends, and through the size control of the control device in the fixed device, different types of buried wire pipes can be well adapted, finally, the top bending mechanism in the middle of the scissors mechanism can bend the buried wire pipe to the appropriate radian, thereby greatly reducing the load of the construction personnel, making the whole construction process more convenient and fast, and effectively improving the work efficiency.

[0007] In further embodiments, the scissor mechanism comprises a left working arm and a right working arm, the left working arm and the right working arm are completely identical in structure, and the left working arm and the right working arm are fixedly connected, a fixing device is welded at the top end of the left working arm, the fixing device comprises a fixing tube, an arc-shaped plate and a displacement rod, one end of the fixing tube is fixedly connected with the top end of the left working arm, a threaded hole is arranged at the middle of the bottom end of the fixing tube, the displacement rod is rotatably arranged in the threaded hole, and the arc-shaped plate is arranged at the inner bottom end of the fixing tube.

[0008] In further embodiments, the top bending mechanism comprises an arc-shaped slide rail, a top bending piece, a first arc-shaped rod and a second arc-shaped rod, the upper end of the left working arm is fixedly connected with one end of the first arc-shaped rod on one side of the right working arm, the right working arm is provided with the second arc-shaped rod which is symmetrical with the first arc-shaped rod, the first arc-shaped rod and the second arc-shaped rod are slidably arranged in the sliding groove at the bottom of the arc-shaped slide rail, and the top of the arc-shaped slide rail is fixedly connected with the top bending piece.

[0009] In further embodiments, the arc-shaped slide rail comprises a rail body, a first insertion plate and a second insertion plate, the bottom of the rail body is provided with a sliding groove for accommodating the top end of the first arc-shaped rod and the second arc-shaped rod, the sliding groove is provided with openings at both ends, the sliding groove side wall at the opening is provided with a mounting groove from bottom to top, the first insertion plate is inserted into the mounting groove at the left end of the sliding groove, and the second insertion plate is inserted into the mounting groove at the right end of the sliding groove.

[0010] In further embodiments, the handle end of the left working arm and the handle end of the right working arm are both sleeved with soft sheaths.

[0011] In further embodiments, the top of the first arc-shaped rod and the top of the second arc-shaped rod are both provided with a semicircular structure.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. By the setting of the fixing device, the fixing device can be divided into two parts, one of which is a fixing tube, the hole diameter of the fixing tube is larger than that of most buried wire pipes on the market, and in order to use some buried wire pipes with smaller diameters, a threaded hole is arranged at the bottom of the fixing tube, and a bolt and an arc-shaped plate are matched, so that when the diameter of the buried wire pipe is smaller than the hole diameter of the fixing tube, the lifting of the arc-shaped plate is used to limit the buried wire pipe, thereby greatly improving the effect of the bending device capable of adapting to the range of buried wire pipes.

[0014] 2. By the setting of the top bending mechanism, the positioning mechanism can be realized, which is mainly through the cooperation of the arc-shaped slide rail and the two arc rods, the top lifting or lowering of the arc-shaped slide rail is controlled through the sliding of the arc rod top in the slide rail, the whole movement process is simple and direct and error-prone, meanwhile, the arc rod is also easy to be disassembled and replaced from the arc-shaped slide rail, although the top bending part is welded and fixed on the top of the arc-shaped slide rail, but different top bending effects can still be realized by replacing the whole arc-shaped slide rail, so that the construction mode is more flexible and changeable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a whole schematic view of a handheld bending device for buried wire pipe according to the present application;

[0016] Figure 2 is an internal structure schematic view of a fixing device in a handheld bending device for buried wire pipe according to the present application;

[0017] Figure 3 is an internal structure schematic view of an arc-shaped slide rail in a handheld bending device for buried wire pipe according to the present application.

[0018] In the figure, 1, scissor mechanism; 11, left working arm; 12, right working arm; 2, fixing device; 21, fixed tube; 22, arc-shaped plate; 23, displacement rod; 3, top bending mechanism; 31, arc-shaped slide rail; 311, rail body; 312, first plugboard; 313, second plugboard; 32, top bending part; 33, first arc rod; 34, second arc rod; 4, soft sheath. DETAILED DESCRIPTION

[0019] The present application will be further described in detail below with reference to the drawings.

[0020] Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the specific parts geometry. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified. Figure 1

[0021] Example 1:

[0022] As Figures 1-3 ​As shown, a kind of buried wire pipe handheld bending device, including scissors mechanism 1, fixed device 2 is arranged on the working end of the scissors mechanism 1, and the fixed device 2 is used to fix buried wire pipe, top bending mechanism 3 is arranged on the scissors mechanism 1, and the top bending mechanism 3 is used to bend buried wire pipe, the scissors mechanism 1 includes left working arm 11 and right working arm 12, the structure of the left working arm 11 and the right working arm 12 is completely identical, and the left working arm 11 and the right working arm 12 are hingedly fixed, the handle end of the left working arm 11 and the handle end of the right working arm 12 are all set with soft sheath 4, the top of the left working arm 11 is welded with fixed device 2, the fixed device 2 includes fixed tube 21, arc plate 22 and displacement rod 23, one end of the fixed tube 21 is welded with the top of left working arm 11, and the bottom end of the fixed tube 21 is provided with threaded hole in middle position, the threaded hole is rotatably installed with displacement rod 23, the inner bottom end of the fixed tube 21 is provided with arc plate 22, and the bottom of the arc plate 22 is fixedly connected with the top of displacement rod 23, by fixed tube 21, arc plate 22 and displacement rod 23, outer thread is arranged on displacement rod 23, and the threaded hole in the bottom end of fixed tube 21 is provided with inner thread corresponding to the outer thread, so that when rotating displacement rod 23, arc plate 22 fixedly installed on the top of displacement rod 23 will also be lifted, in turn, the effect of limiting for buried wire pipe in fixed tube 21 is played, so that the bending of buried wire pipe is more conveniently realized, two fixed tubes 21 are all arranged on the top of working arm, and it is very convenient in actual use, and it need not be aligned.

[0023] As Figures 1-3As shown, the top bending mechanism 3 comprises an arc-shaped sliding rail 31, a top bending piece 32, a first arc-shaped rod 33 and a second arc-shaped rod 34, the upper end of the left working arm 11 is fixedly welded with one end of the first arc-shaped rod 33 on one side of the right working arm 12, the right working arm 12 is provided with the second arc-shaped rod 34 which is symmetrical with the first arc-shaped rod 33, the top of the first arc-shaped rod 33 and the top of the second arc-shaped rod 34 are provided with semicircular structures, the first arc-shaped rod 33 and the second arc-shaped rod 34 are slidingly installed in the sliding groove at the bottom of the arc-shaped sliding rail 31, the top of the arc-shaped sliding rail 31 is fixedly welded with the top bending piece 32, the arc-shaped sliding rail 31 comprises a rail body 311, a first plug plate 312 and a second plug plate 313, the bottom of the rail body 311 is provided with a sliding groove for accommodating the top end of the first arc-shaped rod 33 and the second arc-shaped rod 34, the sliding groove is provided with openings at both ends, the sliding groove sidewall at the opening is provided with a mounting groove from bottom to top, the first plug plate 312 is inserted into the mounting groove at the left end of the sliding groove, and the second plug plate 313 is inserted into the mounting groove at the right end of the sliding groove, through the arrangement of the arc-shaped sliding rail 31, the mounting groove and the plug plate, the arc-shaped sliding rail 31 can be replaced more easily, because the force borne by the arc-shaped sliding rail 31 at the first arc-shaped rod 33 and the second arc-shaped rod 34 is always a horizontal force, while the plug plate needs a vertical force to be disassembled, therefore, the arc-shaped sliding rail 31 and the two arc-shaped rods can be effectively fixed by inserting the plug plate into the plug groove, the top lifting of the bending piece is realized, and then the bending piece can effectively bend the buried wire pipe.

[0024] Specific implementation process: first, one end of the buried wire pipe is sleeved into the fixed pipe 21 on the left working arm 11, at this time, it is not necessary to fix it immediately, and it is continuously slid to the right, so that it enters the fixed pipe 21 on the right working arm 12, at this time, the moving rod is tightened, so that the buried wire pipe is limited, after the limiting is completed, both hands hold the handle part of the working arm and inward force is applied, the first arc-shaped rod 33 and the second arc-shaped rod 34 move downward after being stressed, and then the arc-shaped sliding rail 31 is lifted upward, the bending piece at the top of the arc-shaped sliding rail 31 contacts the bottom end of the buried wire pipe, and continues to move upward until the buried wire pipe is bent as a whole.

[0025] In the embodiments disclosed in the utility model, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, or detachable connection, or integrally connected; "connecting" can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments disclosed in the utility model can be understood according to the specific circumstances.

[0026] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a modification without creative contribution can be made to the embodiment according to needs by a person skilled in the art after reading the specification, but as long as the modification is within the scope of the claims of the utility model, the utility model is protected by the patent law.

Claims

1. A hand-held bending device for wire ducts, comprising a scissor mechanism (1), characterized in that: The working end of the scissors mechanism (1) is provided with a fixing device (2) for fixing the buried wire pipe, and the scissors mechanism (1) is provided with a bending mechanism (3) for bending the buried wire pipe.

2. A hand-held pipe bending device for burying wires according to claim 1, characterized in that: The scissors mechanism (1) comprises a left working arm (11) and a right working arm (12), the left working arm (11) and the right working arm (12) are completely consistent in structure, and the left working arm (11) and the right working arm (12) are hingedly fixed, the top end of the left working arm (11) is welded with a fixing device (2), the fixing device (2) comprises a fixing pipe (21), an arc-shaped plate (22) and a displacement rod (23), one end of the fixing pipe (21) is welded with the top end of the left working arm (11), a threaded hole is arranged at the bottom end of the fixing pipe (21), the displacement rod (23) is rotatably arranged in the threaded hole, and the arc-shaped plate (22) is arranged at the inner bottom end of the fixing pipe (21).

3. A hand-held pipe bending device for burying electrical cables according to claim 2, characterized in that: The bending mechanism (3) comprises an arc-shaped sliding rail (31), a bending piece (32), a first supporting rod (33) and a second supporting rod (34), one end of the first supporting rod (33) is welded with the upper end of the left working arm (11) close to one side of the right working arm (12), the second supporting rod (34) which is symmetrical with the first supporting rod (33) is arranged on the right working arm (12), and the first supporting rod (33) and the second supporting rod (34) are slidably arranged in the sliding groove at the bottom of the arc-shaped sliding rail (31).

4. A hand-held pipe bending device for burying electrical cables according to claim 3, characterized in that: The arc-shaped sliding rail (31) comprises a rail body (311), a first insertion plate (312) and a second insertion plate (313), the bottom of the rail body (311) is provided with a sliding groove for accommodating the top end of the first supporting rod (33) and the second supporting rod (34), the sliding groove is provided with openings at both ends, the sliding groove side wall at the opening is provided with a mounting groove from bottom to top, the first insertion plate (312) is inserted into the mounting groove at the left end of the sliding groove, and the second insertion plate (313) is inserted into the mounting groove at the right end of the sliding groove.

5. A hand-held pipe bending device for burying wires according to claim 2, characterized in that: The handle end of the left working arm (11) and the handle end of the right working arm (12) are both sleeved with a soft sheath (4).

6. A hand-held pipe bending device for burying wires according to claim 3, characterized in that: The top of the first supporting rod (33) and the top of the second supporting rod (34) are both provided with a semicircular structure. The top of the first supporting rod (33) and the top of the second supporting rod (34) are both provided with a semicircular structure.

Images