Pipe wrench convenient to operate by one hand

Abstract

The utility model relates to the field of mechanical tools, in particular to a pipe wrench convenient to operate by one hand, which comprises a clamping mechanism, the clamping mechanism comprises a holding rod and an occlusion rod, the holding rod and the occlusion rod are both in an inverted L shape, and the occlusion rod is in sliding connection with the outer wall of the holding rod; the transmission mechanism comprises an adjusting clamping ring, a transmission rod and a rotating handle, one end of the adjusting clamping ring is clamped to the inner wall of the holding rod, the other end of the adjusting clamping ring is slidably connected to the inner wall of the meshing rod, the transmission rod and the adjusting clamping ring are mutually matched in the holding rod, and the transmission rod and the rotating handle are matched at the bottom of the outer wall of the holding rod; by means of the transmission mechanism, a worker can simply and easily control the distance between the pincer claws and the pincer wall when holding the pipe pincer with one hand, and operation of the pipe pincer is further facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical tool field, especially a pipe tongs convenient for one -hand operation. BACKGROUND

[0002] At present, pipe tongs are a kind of tool with strong clamping force, mainly consisting of two tong arms and a movable hinge connection, and the tong arm is usually provided with tong claw and can adjust width, so as to clamp pipes or iron pipes of different sizes.

[0003] The following problems exist at present.

[0004] Most of the existing pipe tongs are adjusted by adjusting the distance between the tong wall and the tong claw by the nut arranged on the outer wall of the tong claw, but the pipe tongs are acted on the pipe by the principle of lever, so the operator needs to hold the handle with one hand and adjust the nut with the other hand to adjust the clamping width of the pipe tongs, which is extremely inconvenient in some cases. SUMMARY

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments, which may be simplified or omitted in this part, the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0006] In view of the above and / or problems existing in the prior art, the utility model is proposed.

[0007] Therefore, the first technical problem to be solved by the utility model is that most of the existing pipe tongs are adjusted by adjusting the distance between the tong wall and the tong claw by the nut arranged on the outer wall of the tong claw, but the pipe tongs are acted on the pipe by the principle of lever, so the operator needs to hold the handle with one hand and adjust the nut with the other hand to adjust the clamping width of the pipe tongs, which is extremely inconvenient in some cases.

[0008] To solve the above technical problems, the utility model provides the following technical scheme: a pipe tongs convenient for one -hand operation, including clamping mechanism, the clamping mechanism includes grip lever and occlusion rod, the grip lever and occlusion rod are all inverted "L" shape, the occlusion rod is slidably connected on the outer wall of grip lever, transmission mechanism, the transmission mechanism includes adjusting snap ring, transmission rod and rotating handle, one end of adjusting snap ring is connected at the inner wall of grip lever, the other end of adjusting snap ring is slidably connected at the inner wall of occlusion rod, the transmission rod and adjusting snap ring are matched with each other in the inside of grip lever, the transmission rod and rotating handle are matched at the bottom of the outer wall of grip lever.

[0009] As a kind of preferred scheme of the utility model discloses a pipe tongs convenient to single-hand operation, wherein: first transmission groove is opened in the half ring in the outer wall of the grip lever, transmission groove is opened in the half ring in the outer wall of the occlusion lever, adjusting snap ring is connected in first transmission groove inside and rotates, adjusting snap ring is slidably connected in transmission groove inside.

[0010] As a kind of preferred scheme of the utility model discloses a pipe tongs convenient to single-hand operation, wherein: the inner wall of transmission groove is provided with screw thread near inner diameter side, adjusting snap ring is provided with screw thread inside, the axis of first transmission groove, transmission groove and adjusting snap ring is collinear state, adjusting snap ring is connected with the transmission groove of occlusion lever by screw thread.

[0011] As a kind of preferred scheme of the utility model discloses a pipe tongs convenient to single-hand operation, wherein: the outer wall of adjusting snap ring is provided with gear, the first rotation groove of circular shape is opened in the same height of first transmission groove inside the grip lever, the second rotation groove of circular shape is opened in the bottom of first rotation groove, the third rotation groove is opened in the bottom of second rotation groove, transmission rod is composed of first tooth roller, connecting rod and second tooth roller, first tooth roller is rotatably connected in first rotation groove inside, the outer wall of first tooth roller and the outer wall of second tooth roller are provided with gear, first tooth roller is rolling engagement with adjusting snap ring, connecting rod is fixedly connected in the bottom of the outer wall of first tooth roller, second tooth roller is fixedly connected in the bottom of connecting rod, part of the outer wall of second tooth roller is exposed outside grip lever.

[0012] As a kind of preferred scheme of the utility model discloses a pipe tongs convenient to single-hand operation, wherein: the bottom of the outer wall of grip lever is provided with clamping groove, rotating handle is clamped and rotatably connected in the clamping groove of grip lever, gear slot is opened in the top of the outer wall of rotating handle, the surface of part of the outer wall of second tooth roller exposed outside grip lever is rolling engagement with the inner wall of gear slot.

[0013] As a kind of preferred scheme of the utility model discloses a pipe tongs convenient to single-hand operation, wherein: the top of the outer wall of grip lever and the bottom of the outer wall of occlusion lever are provided with fixed teeth, the fixed teeth of grip lever and occlusion lever are matched with each other.

[0014] The utility model discloses the beneficial effects: through transmission mechanism to make worker when single-handedly holding pipe tongs also can relatively simple and easily control the distance between jaw and tong wall, further convenient pipe tongs operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0016] Fig. 1 The overall structure schematic diagram of the pipe pliers convenient for single-handed operation provided by the present application;

[0017] Fig. 2 The structure schematic diagram of the clamping mechanism in the pipe pliers convenient for single-handed operation provided by the present application;

[0018] Fig. 3 The cross-sectional structure schematic diagram of the clamping mechanism in the pipe pliers convenient for single-handed operation provided by the present application;

[0019] Fig. 4 The structure schematic diagram of the transmission mechanism in the pipe pliers convenient for single-handed operation provided by the present application. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0022] Secondly, the present application is described in detail in combination with the schematic diagram, in the detailed description of the embodiments of the present application, for the convenience of description, the cross-sectional view of the device structure will be partially enlarged without general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0023] Thirdly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0024] Embodiment 1

[0025] Refer toFigs. 1 to 4 The embodiment provides a pipe tongs facilitating single-hand operation, which comprises a clamping mechanism 100, the clamping mechanism 100 comprising a holding rod 101 and a clamping rod 102, the holding rod 101 and the clamping rod 102 both being inverted "L" shapes, and the clamping rod 102 being slidingly connected to the outer wall of the holding rod 101; a transmission mechanism 200, the transmission mechanism 200 comprising an adjusting clasp 201, a transmission rod 202 and a rotating handle 203, one end of the adjusting clasp 201 being clamped to the inner wall of the holding rod 101, the other end of the adjusting clasp 201 being slidingly connected to the inner wall of the clamping rod 102, the transmission rod 202 and the adjusting clasp 201 being matched with each other inside the holding rod 101, and the transmission rod 202 and the rotating handle 203 being matched at the bottom of the outer wall of the holding rod 101.

[0026] The outer wall of the holding rod 101 is provided with a semicircular first transmission groove 101a, the outer wall of the clamping rod 102 is provided with a semicircular transmission groove 102a, the adjusting clasp 201 is clamped and rotationally connected in the first transmission groove 101a, and the adjusting clasp 201 is slidingly connected in the transmission groove 102a; since the adjusting clasp 201 is clamped in the first transmission groove 101a, the clamping rod 102 can only move along the vertical direction of the holding rod 101, thereby achieving the limiting effect on the clamping rod 102.

[0027] The inner wall of the transmission groove 102a near the inner diameter side is provided with a thread, the adjusting clasp 201 is provided with a thread in the inside, the axis of the first transmission groove 101a, the transmission groove 102a and the adjusting clasp 201 is in a collinear state, and the adjusting clasp 201 is threadedly connected to the transmission groove 102a of the clamping rod 102; through the threadedly connected state of the adjusting clasp 201 and the clamping rod 102, when the adjusting clasp 201 is rotated, the clamping rod 102 moves up and down along the vertical direction of the adjusting clasp 201, thereby controlling the clamping distance between the clamping rod 102 and the holding rod 101.

[0028] The outer wall of the adjusting clasp 201 is provided with a hobbing, the inside of the handle 101 is provided with a circular first rotating groove 101b at the same height of the first transmission groove 101a, the bottom of the first rotating groove 101b is provided with a circular second rotating groove 101c, the bottom of the second rotating groove 101c is provided with a third rotating groove 101d, the transmission rod 202 is composed of a first tooth roller 202a, a connecting rod 202b and a second tooth roller 202c, the first tooth roller 202a is rotationally connected in the first rotating groove 101b, the outer wall of the first tooth roller 202a and the outer wall of the second tooth roller 202c are both provided with a hobbing, the first tooth roller 202a is in rolling engagement with the adjusting clasp 201, the connecting rod 202b is fixedly connected to the bottom of the first tooth roller 202a, the second tooth roller 202c is fixedly connected to the bottom of the connecting rod 202b, and part of the outer wall of the second tooth roller 202c is exposed outside the handle 101; when the second tooth roller 202c is fluctuated, the first tooth roller 202a is driven to rotate through the connecting rod 202b, the adjusting clasp 201 is rotated through the rolling engagement of the first tooth roller 202a and the adjusting clasp 201, and then the clamping distance between the handle 101 and the clamping rod 102 is controlled.

[0029] The bottom of the outer wall of the handle 101 is provided with a clamping groove 101e, the rotating handle 203 is clamped and rotationally connected to the clamping groove 101e of the handle 101, the top of the outer wall of the rotating handle 203 is provided with a hobbing groove 203a, and the surface of the part of the outer wall of the second tooth roller 202c exposed outside the handle 101 is in rolling engagement with the inner wall of the hobbing groove 203a; the rotating handle 203 acts on the holding part of the pipe tongs, and rotating the rotating handle 203 when holding will make the second tooth roller 202c rotate, and then the clamping distance between the handle 101 and the clamping rod 102 is controlled.

[0030] The top of the outer wall of the handle 101 and the bottom of the outer wall of the clamping rod 102 are both provided with a fixing tooth, and the fixing teeth of the handle 101 and the clamping rod 102 are matched with each other; the fixing tooth is used for more firmly clamping the pipe.

[0031] Working principle: when in use, the clamping angle between the handle 101 and the clamping rod 102 of the pipe clamp is inserted into the pipeline, the hand holds the rotating handle 203, when it is needed to shrink the clamping distance between the handle 101 and the clamping rod 102 to clamp the pipeline, the rotating handle 203 is rotated, when the rotating handle 203 is rotated, the second gear roller 202c is driven to rotate through the meshing of the gear groove 203a and the second gear roller 202c, the first gear roller 202a is driven to rotate through the connecting rod 202b, the adjusting ring 201 is rotated due to the meshing of the first gear roller 202a and the adjusting ring 201, the clamping rod 102 is moved up and down along the vertical direction of the handle 101 through the threaded cooperation of 201a and the clamping rod 102, so as to control the clamping distance between the handle 101 and the clamping rod 102, thereby clamping the pipeline.

[0032] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are merely illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible in the light of the above teachings. Means for installing arrangements, uses of materials, colors, orientation changes, etc. without materially departing from the novel teachings and advantages described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the positions of elements can be inverted or otherwise altered, and the nature or number of discrete elements or positions can be varied or changed. Accordingly, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0033] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described.

[0034] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can be complex and time-consuming, but would be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A tube tongs for facilitating single-handed operation, characterised in that: It includes a clamping mechanism, the clamping mechanism includes a grip bar and a bite bar, the grip bar and the bite bar are inverted "L" shape, the bite bar is slidingly connected to the outer wall of the grip bar; The transmission mechanism includes an adjusting ring, a transmission rod and a rotating handle, one end of the adjusting ring is connected to the inner wall of the grip bar, the other end of the adjusting ring is slidingly connected to the inner wall of the bite bar, the transmission rod and the adjusting ring are matched with each other inside the grip bar, and the transmission rod and the rotating handle are matched at the bottom of the outer wall of the grip bar.

2. A tube wrench for facilitating single-handed operation according to claim 1, wherein: The outer wall of the grip bar is provided with a semicircular first transmission groove, the outer wall of the bite bar is provided with a semicircular transmission groove, the adjusting ring is connected to the first transmission groove and rotates, and the adjusting ring is slidingly connected inside the transmission groove.

3. A tube wrench facilitating single-handed operation according to claim 2, characterized in that: The inner wall of the transmission groove near the inner diameter side is provided with a thread, the adjusting ring is provided with a thread inside, the axis of the first transmission groove, the transmission groove and the adjusting ring is in a collinear state, and the adjusting ring is threadedly connected to the transmission groove of the bite bar.

4. A pipe wrench facilitating one-handed operation according to claim 3, wherein: The outer wall of the adjusting ring is provided with a gear, the first transmission groove is provided with a circular first rotating groove at the same height inside the grip bar, the bottom of the first rotating groove is provided with a circular second rotating groove, the bottom of the second rotating groove is provided with a third rotating groove, the transmission rod is composed of a first tooth roller, a connecting rod and a second tooth roller, the first tooth roller is rotatably connected to the first rotating groove, the outer wall of the first tooth roller and the outer wall of the second tooth roller are provided with gears, the first tooth roller is in rolling engagement with the adjusting ring, the connecting rod is fixedly connected to the bottom of the first tooth roller, the second tooth roller is fixedly connected to the bottom of the connecting rod, and part of the outer wall of the second tooth roller is exposed outside the grip bar.

5. A tube wrench facilitating single-handed operation according to claim 4, characterized in that: The bottom of the outer wall of the grip bar is provided with a clamping groove, the rotating handle is clamped and rotatably connected to the clamping groove of the grip bar, the outer wall of the rotating handle is provided with a gear groove at the top, and the surface of the part of the outer wall of the second tooth roller exposed outside the grip bar is in rolling engagement with the inner wall of the gear groove.

6. A tube wrench facilitating single-handed operation according to claim 5, characterized in that: The outer wall top of the grip bar and the outer wall bottom of the bite bar are provided with fixed teeth, and the fixed teeth of the grip bar and the bite bar are matched with each other.

Images