Adjustable pipe wrench convenient to disassemble

Abstract

The utility model relates to the technical field of tools, and discloses an adjustable pipe wrench convenient to disassemble, which comprises a wrench seat, a movable toothed plate pin shaft and a fixed seat are respectively arranged at the upper end and the lower end in the wrench seat, and a pipe wrench nut is rotatably connected in the upper end of the wrench seat. A fixed jaw and a movable jaw are fixedly installed at the left end of the fixed seat and the left end of the movable toothed plate pin shaft respectively, and through the collaborative design of the clamp seat, the fixed seat, the movable toothed plate pin shaft, the pipe clamp nut, the first positioning plug pin and the second positioning plug pin, the movable toothed plate pin shaft can flexibly move in the clamp seat by rotating the pipe clamp nut. After the fixed seat is inserted into the clamp seat, a locking bolt penetrates through a locking hole for fastening, a first positioning bolt and a second positioning bolt are respectively fixed at the upper end and the lower end of the fixed seat by using bolts, and the other end of the bolt is inserted into a positioning slot, so that the design is convenient to disassemble, and is convenient to use. The problem that an integral pipe wrench is difficult to disassemble and clean is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool technical field, especially a kind of adjustable pipe wrench of easy disassembly. BACKGROUND

[0002] In modern industry and construction field, the application of pipeline system is more and more extensive, involves petroleum, chemical industry, water supply and drainage, heating, ventilation and air conditioning and multiple industries, the pipe specification and material in these industries are different, and higher requirements are put forward for the adaptability and flexibility of pipe wrench, for example, in petroleum and chemical pipeline construction, it may be necessary to handle various pipe diameters from a few centimeters to a few tens of centimeters, and the pipe material may include steel pipe, copper pipe, plastic pipe, etc., and different pipe materials have different requirements for the clamping force and anti-skid performance of pipe wrench, therefore, a pipe wrench capable of conveniently adjusting and suitable for various pipe diameters and materials is needed.

[0003] Traditional pipe wrench usually adopts integral structure or welding to connect each component, once a part of the pipe wrench is damaged, it is difficult to disassemble and repair, and the integral structure of the pipe wrench is not convenient to clean and maintain, some gaps and corners are difficult to clean in place, which affects the service life and performance of the pipe wrench, therefore, we propose a kind of adjustable pipe wrench of easy disassembly. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of adjustable pipe wrench of easy disassembly to solve the problem that traditional pipe wrench usually adopts integral structure or welding to connect each component, once a part of the pipe wrench is damaged, it is difficult to disassemble and repair, and the integral structure of the pipe wrench is not convenient to clean and maintain, some gaps and corners are difficult to clean in place, which affects the service life and performance of the pipe wrench.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of adjustable pipe wrench of easy disassembly, including jaw base, the upper and lower ends of the inside of jaw base are respectively provided with movable tooth plate pin and fixed seat, the upper end of the inside of jaw base is rotatably connected with pipe wrench nut, the left end of fixed seat and movable tooth plate pin is respectively fixedly installed with fixed jaw and movable jaw, the right end of fixed seat is fixedly installed with jaw handle, the surface of jaw base and fixed seat is all penetrated and is equipped with locking hole, and the inside of locking hole is screw-threaded with locking bolt, the right end of jaw base is equipped with auxiliary structure.

[0006] As a preferred scheme, the upper end right side and lower end left side of the fixed seat are respectively provided with first positioning pin and second positioning pin, the first positioning pin and the second positioning pin are all screw-threaded with fixed seat by bolt, the inside of jaw base and the left end of bottom are all equipped with positioning slot matched with first positioning pin and second positioning pin.

[0007] As a preferred scheme, the inner wall of the pipe wrench nut is in meshing connection with the movable toothed plate pin shaft.

[0008] As a preferred scheme, the circumferential surface of the handle is fixedly provided with an anti-skid sleeve, and the opposite side surfaces of the fixed jaw and the movable jaw are provided with engagement stripes.

[0009] As a preferred scheme, the auxiliary structure comprises a positioning frame, a threaded rod is screw-connected to the right inner side of the positioning frame, and an adjusting block is fixedly installed at one end of the threaded rod and located at the outer side of the positioning frame.

[0010] As a preferred scheme, a limiting disc is fixedly installed at one end of the threaded rod and located at the inner side of the positioning frame, the movable toothed plate pin shaft is not in contact with the inner wall of the positioning frame, and the positioning frame is fixedly installed at the right side of the jaw base.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. Through the cooperative design of the jaw base, the fixed seat, the movable toothed plate pin shaft, the pipe wrench nut, the first positioning bolt and the second positioning bolt, the pipe wrench nut is rotated, the movable toothed plate pin shaft is moved flexibly in the jaw base, the distance between the fixed jaw and the movable jaw is conveniently adjusted, the pipe with different diameters is adapted, the fixed seat is inserted into the jaw base, the locking bolt is fastened through the locking hole, the first positioning bolt and the second positioning bolt are respectively fixed on the upper end and the lower end of the fixed seat by the bolt, the other end of the bolt is inserted into the positioning slot, and the fixing is completed.

[0013] 2. Through the setting of the auxiliary structure, the pipe wrench nut is rotated first, the distance between the fixed jaw and the movable jaw is adjusted to be appropriate, then the adjusting block is rotated, the threaded rod is moved in the positioning frame, the limiting disc is in close contact with one end of the movable toothed plate pin shaft, the movable toothed plate pin shaft is prevented from loosening when the movable jaw is subjected to a large force, the limiting disc prevents the movable toothed plate pin shaft from falling off, the handle is rotated, the pipe is rotated, and the pipe is tightened or loosened. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is an expanded three-dimensional structure schematic view of the utility model;

[0016] Figure 3 It is a part of the three-dimensional structure schematic view of the utility model;

[0017] Figure 4 It is a movable jaw structure schematic view of the utility model;

[0018] Figure 5 It is a structure diagram of the auxiliary structure of the utility model.

[0019] In the figure: 1, the clamp seat; 2, the fixed seat; 3, the movable toothed plate pin shaft; 4, the fixed jaw; 5, the movable jaw; 6, the auxiliary structure; 7, the handle; 8, the first positioning pin; 9, the second positioning pin; 10, the locking hole; 11, the locking bolt; 12, the pipe wrench nut; 13, the positioning slot; 61, the positioning frame; 62, the threaded rod; 63, the adjusting block; 64, the limiting disc. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Embodiment one:

[0022] Please refer to the drawings Figure 1 - the drawings Figure 4 A detachable adjustable pipe wrench, including the clamp seat 1, the inside upper and lower ends of the clamp seat 1 are respectively provided with movable toothed plate pin shaft 3 and fixed seat 2, the upper end inside of the clamp seat 1 is rotatably connected with pipe wrench nut 12, the left end of fixed seat 2 and movable toothed plate pin shaft 3 is respectively fixedly installed with fixed jaw 4 and movable jaw 5, the right end of fixed seat 2 is fixedly installed with handle 7, the surface of clamp seat 1 and fixed seat 2 is all through and is provided with locking hole 10, and the inside of locking hole 10 is screw connected with locking bolt 11, the right end of clamp seat 1 is provided with auxiliary structure 6, the upper end right side and the lower end left side of fixed seat 2 are respectively provided with first positioning pin 8 and second positioning pin 9, first positioning pin 8 and second positioning pin 9 are all screw connected with fixed seat 2 through bolt, the inside and the bottom left end of clamp seat 1 are all provided with the positioning slot 13 matched with first positioning pin 8 and second positioning pin 9, the inner wall of pipe wrench nut 12 is engagedly connected with movable toothed plate pin shaft 3, the circumferential surface of handle 7 is fixedly installed with anti-skid sleeve, the opposite side surface of fixed jaw 4 and movable jaw 5 is all provided with bite stripe, bite stripe can enhance the friction force effect between pipe and pipe wrench, and the pipe is rotated along with the rotation of handle 7, so as to realize the tightening or loosening operation of the pipe.

[0023] Through the rotation of the pipe wrench nut 12, due to the meshing action of the movable toothed plate pin shaft 3 and the pipe wrench nut 12, the movable toothed plate pin shaft 3 moves in the wrench seat 1 until it is separated from the pipe wrench nut 12, that is, the movable toothed plate pin shaft 3 and the movable jaw 5 are taken out, the bolts and the locking bolt 11 are loosened, the first positioning pin 8 and the second positioning pin 9 are taken out, that is, the fixed seat 2 and the fixed jaw 4 are taken out, realizing quick disassembly, and facilitating replacement or maintenance and cleaning of damaged parts.

[0024] Specifically, through the cooperation of the wrench seat 1, the fixed seat 2, the movable toothed plate pin shaft 3, the pipe wrench nut 12, the first positioning pin 8 and the second positioning pin 9, the rotation of the pipe wrench nut 12 makes the movable toothed plate pin shaft 3 move inside the wrench seat 1, which can adjust the distance between the fixed jaw 4 and the movable jaw 5 to adapt to different pipe materials, after the fixed seat 2 is inserted into the inside of the wrench seat 1, it is locked by the locking bolt 11 passing through the locking hole 10, the first positioning pin 8 and the second positioning pin 9 are fixed at the upper and lower ends of the fixed seat 2 by bolts, and the other ends of the first positioning pin 8 and the second positioning pin 9 are inserted into the positioning slot 13, which is completed and also facilitates disassembly, avoiding the problem of inconvenience of disassembly and cleaning of the whole pipe wrench.

[0025] Example two:

[0026] Please refer to the accompanying Figure 1 - the accompanying Figure 3 and the accompanying Figure 5 , and on the basis of example one, it is further obtained that the auxiliary structure 6 includes a positioning frame 61, a threaded rod 62 is threadedly connected to the right side inside of the positioning frame 61, an adjusting block 63 is fixedly installed at one end of the threaded rod 62 and located outside the positioning frame 61, a limiting disc 64 is fixedly installed at the end of the threaded rod 62 away from the adjusting block 63 and located inside the positioning frame 61, the movable toothed plate pin shaft 3 does not contact the inner wall of the positioning frame 61, and the positioning frame 61 is fixedly installed on the right side of the wrench seat 1.

[0027] When the pipe wrench is working, especially when a large torque is applied to the pipe to tighten or loosen it, the movable jaw 5 will be subjected to a large force, the limiting disc 64 can provide a support point at the rear end, enhance the stability of the movable jaw 5 in the axial direction, make it not easy to shake or deviate, ensure that it can uniformly apply force to the pipe, and improve the stability and reliability of clamping.

[0028] Specifically, in use, the distance between the fixed jaw 4 and the movable jaw 5 is adjusted to the appropriate position by rotating the pipe wrench nut 12, then the adjusting block 63 is rotated, the threaded rod 62 moves inside the positioning frame 61 until the limiting disc 64 contacts one end of the movable toothed plate pin shaft 3, preventing the pipe wrench nut 12 and the movable toothed plate pin shaft 3 from loosening after the movable jaw 5 is subjected to a large force, the limiting disc 64 plays a limiting role to prevent it from falling off, and the pipe will rotate with the rotation of the wrench handle 7, thereby achieving the tightening or loosening operation of the pipe.

[0029] The utility model works: the utility model discloses a kind of adjustable pipe wrenchs convenient to disassemble, first, movable toothed plate pin shaft 3 is moved in the inside of jaw seat 1 by rotating pipe wrench nut 12, the distance between fixed jaw 4 and movable jaw 5 can be adjusted to adapt to the pipe of different gear, after fixed seat 2 is inserted into the inside of jaw seat 1, it is locked by locking bolt 11 through locking hole 10, bolt is used to fix first positioning pin 8 and second positioning pin 9 in the upper and lower ends of fixed seat 2, and another end of first positioning pin 8 and second positioning pin 9 is inserted into positioning slot 13, fixed, it is also convenient to disassemble, in this process, the distance between fixed jaw 4 and movable jaw 5 is adjusted to the appropriate position by rotating pipe wrench nut 12, then adjusting block 63 is rotated, threaded rod 62 moves inside positioning frame 61 until limiting disc 64 contacts one end of movable toothed plate pin shaft 3, preventing pipe wrench nut 12 and movable toothed plate pin shaft 3 from loosening after movable jaw 5 is subjected to a large force, pipe will rotate with the rotation of wrench handle 7, thereby achieving the tightening or loosening operation of the pipe, thus, the whole process ends.

[0030] Finally, it should be noted that: the above-mentioned only for preferred embodiment of the utility model has, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An adjustable pipe wrench that is easy to disassemble, comprising a wrench base (1), characterized in that: The upper and lower ends of the clamp seat (1) are respectively provided with a movable toothed pin (3) and a fixed seat (2). The upper end of the clamp seat (1) is rotatably connected with a pipe wrench nut (12). The left ends of the fixed seat (2) and the movable toothed pin (3) are respectively fixedly installed with a fixed jaw (4) and a movable jaw (5). The right end of the fixed seat (2) is fixedly installed with a clamp handle (7). The surfaces of the clamp seat (1) and the fixed seat (2) are both provided with a through-hole (10), and the inside of the locking hole (10) is threaded with a locking bolt (11). The right end of the clamp seat (1) is provided with an auxiliary structure (6).

2. The adjustable pipe wrench that is easy to disassemble according to claim 1, characterized in that: The upper right side and lower left side of the fixed base (2) are respectively provided with a first positioning pin (8) and a second positioning pin (9). The first positioning pin (8) and the second positioning pin (9) are both threadedly connected to the fixed base (2) by bolts. The inside of the clamp base (1) and the bottom left end are provided with positioning slots (13) that are compatible with the first positioning pin (8) and the second positioning pin (9).

3. The adjustable pipe wrench that is easy to disassemble according to claim 1, characterized in that: The inner wall of the pipe wrench nut (12) is engaged with the movable toothed pin (3).

4. The adjustable pipe wrench that is easy to disassemble according to claim 1, characterized in that: The circumferential surface of the pliers handle (7) is fixedly fitted with an anti-slip sleeve, and the opposite side surfaces of the fixed jaws (4) and the movable jaws (5) are provided with biting stripes.

5. The adjustable pipe wrench that is easy to disassemble according to claim 1, characterized in that: The auxiliary structure (6) includes a positioning frame (61), and a threaded rod (62) is threadedly connected to the right side of the positioning frame (61). An adjusting block (63) is fixedly installed at one end of the threaded rod (62) and on the outside of the positioning frame (61).

6. The adjustable pipe wrench that is easy to disassemble according to claim 5, characterized in that: The threaded rod (62) is fixedly installed at the end away from the adjusting block (63) and inside the positioning frame (61) with a limiting disc (64). The movable toothed pin (3) does not contact the inner wall of the positioning frame (61). The positioning frame (61) is fixedly installed on the right side of the clamp seat (1).

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