CN210210178U

CN210210178U - Pipe wrench capable of rotating in two directions

Info

Publication number: CN210210178U
Application number: CN201920354859.0U
Authority: CN
Inventors: Xiang Li; 李想; Chuan'an Zhang; 张传安; Yongxue Xiong; 熊永学; Pengfei Li; 李鹏飞; Kai Zhang; 张凯
Original assignee: Second Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Current assignee: Second Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-03-31
Anticipated expiration: 2029-03-20

Abstract

The utility model discloses a can two-way pivoted breakout tongs, the pipe shaft including vertical setting, the tubulose top stop of top fixedly connected with of pipe shaft, the axis level of top stop sets up, the pipe shaft endotheca is equipped with the dowel steel, the dowel steel upwards stretches into set up with sliding from top to bottom in the top stop and in the bottom stop fixed connection in the top stop, top stop with all be provided with the occlusal surface on the bottom stop, and relative setting from top to bottom of the occlusal surface of the two, the upper portion threaded connection of pipe shaft has at least the part can stretch into to the stop screw in the pipe shaft, the stop screw with the dowel steel is corresponding. The utility model has the advantages that: the occlusal surface is an arc surface, the contact area of the occlusal surface and the steel bar is large, and the occlusal force is large; the pipe wrench can rotate in two directions, can rotate continuously, is simple and easy to install, and has wider application prospect.

Description

Pipe wrench capable of rotating in two directions

Technical Field

The utility model relates to a breakout tongs technical field particularly, relates to a can two-way pivoted breakout tongs.

Background

With the rapid development of infrastructure construction in China, reinforced concrete projects are increasing day by day, and the mechanical connection of reinforcing steel bars is an important factor influencing the progress of the reinforcing steel bar projects, so that the rapid and firm mechanical connection has important significance for accelerating the progress of the reinforcing steel bar projects and improving the quality of the projects.

The pipe tongs adopted by the conventional mechanical connection of the steel bars are inconvenient to realize the continuous rotation of the steel bars, the steel bars are inconvenient to engage and disassemble, the engagement force is small, the steel bars are easy to slip differentially, the ribs are abraded, the steel bars can only rotate in one direction and cannot be used reversely, and the condition that the adjustable spanner lip is damaged easily occurs when the steel bars are used reversely.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a can two-way pivoted breakout tongs, through mutually supporting of going up stop piece and backstop, can realize the two-way rotation of breakout tongs.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the pipe wrench capable of bidirectionally rotating comprises a vertically arranged pipe body, wherein a tubular upper stop part is fixedly connected to the top end of the pipe body, the axis of the upper stop part is horizontally arranged, a force transmission rod is sleeved in the pipe body, the force transmission rod upwards extends into the upper stop part and is fixedly connected with a lower stop part which is arranged in the upper stop part in a vertically sliding manner, the upper stop part and the lower stop part are respectively provided with an occlusion surface, the occlusion surfaces of the upper stop part and the lower stop part are vertically and oppositely arranged, the upper part of the pipe body is in threaded connection with a release-stopping screw, at least part of which can extend into the pipe body, and the release-stopping screw corresponds to the force transmission rod.

Further, the upper portion of the upper stop is an arc-shaped plate portion which is bent upwards, the lower portion of the upper stop is a concave portion, and the inner side of the arc-shaped plate portion is provided with the occlusion surface.

Furthermore, the lower part of the lower stop piece is a square part in sliding fit with the concave part, a downward curved arc surface is arranged at the top of the lower stop piece, the arc surface corresponds to the arc plate part, and the arc surface is provided with the occlusion surface.

Further, the biting surface is formed by a plurality of elongated teeth.

Further, the dowel bar is cylindrical, the outer diameter of the dowel bar is smaller than the inner diameter of the pipe body, and the dowel bar is in threaded connection or welded with the lower stop piece.

Furthermore, the lower part of dowel bar is equipped with protruding slip handle, set up on the pipe body and supply the spout that slip handle wore out, the spout extends along vertical direction.

Furthermore, the dowel bar is sleeved with a spring below the sliding handle, the bottom of the spring is supported on a gasket, and the gasket is fixedly arranged in the pipe body.

Furthermore, the pipe body is provided with a plurality of holes along the circumferential direction, into which the fixed base extends, and the gasket is supported by the fixed base below the gasket.

Furthermore, the lower end of the tube body is fixedly connected with a shaking handle, the axis of the shaking handle and the axis of the upper stop piece are located on the same vertical plane, a sleeve is sleeved outside the shaking handle, and a bearing is arranged between the shaking handle and the sleeve.

Further, the shape of slip handle is the cylinder, the diameter of slip handle is less than the width of spout, slip handle threaded connection or welding are in on the dowel steel.

The utility model has the advantages that: the occlusal surface is an arc surface, the contact area of the occlusal surface and the steel bar is large, and the occlusal force is large; the pipe wrench can rotate in two directions, can rotate continuously, is simple and easy to install, and has wider application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front cross-sectional view of a pipe wrench that is rotatable in both directions according to an embodiment of the present invention;

FIG. 2 is a side cross-sectional view of a reversible pipe wrench, according to an embodiment of the present invention;

FIG. 3 is a sectional A-A' view of the reversible pipe wrench of FIG. 1;

fig. 4 is a B-B' sectional view of the double-rotatable pipe wrench shown in fig. 1.

In the figure:

1. an upper stop; 2. a lower stop; 3. occlusal surface; 4. a dowel bar; 5. a tube body; 6. a drop-out prevention screw; 7. a sliding handle; 8. a spring; 9. a gasket; 10. a fixed base; 11. shaking the handle; 12. a bearing; 13. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1-4, according to the embodiment of the present invention, a pipe wrench capable of bidirectional rotation, including a vertical pipe body 5, the top end fixedly connected with tubular upper stopper 1 of pipe body 5, the axis level of upper stopper 1 sets up, pipe body 5 endotheca is equipped with dowel steel 4, dowel steel 4 upwards stretches into in the upper stopper 1 and with can slide from top to bottom set up 2 fixed connection of lower stopper in the upper stopper 1, upper stopper 1 with all be provided with occlusal surface 3 on the lower stopper 2, and the occlusal surface 3 of the two sets up from top to bottom relatively, the upper portion threaded connection of pipe body 5 has at least part can stretch into to the stop screw 6 in pipe body 5, stop screw 6 with dowel steel 4 is corresponding.

In an embodiment of the present invention, the upper portion of the upper stopper 1 is an arc-shaped plate portion bent upward, and the lower portion thereof is a concave portion, and the inner side of the arc-shaped plate portion is provided with the occlusal surface 3.

In a specific embodiment of the present invention, the lower portion of the lower stop 2 is a square portion which is in sliding fit with the concave portion, the top of the lower stop 2 is provided with a downwardly curved arc surface, the arc surface corresponds to the arc plate portion, and the arc surface is provided with the biting surface 3.

In a specific embodiment of the present invention, the biting surface 3 is formed by a plurality of elongated teeth.

In a specific embodiment of the present invention, the dowel bar 4 is a cylinder, the outer diameter of the dowel bar 4 is smaller than the inner diameter of the pipe body 5, and the dowel bar 4 is screwed or welded to the lower stop member 2.

In a specific embodiment of the present invention, the lower portion of the dowel bar 4 is convexly provided with a sliding handle 7, the pipe body 5 is provided with a sliding groove for the sliding handle 7 to penetrate out, and the sliding groove extends along the vertical direction.

In a specific embodiment of the present invention, the dowel bar 4 is sleeved with a spring 8 under the sliding handle 7, the bottom of the spring 8 is supported on a gasket 9, and the gasket 9 is fixedly arranged in the pipe body 5.

In an embodiment of the present invention, the pipe body 5 is provided with a plurality of holes along its circumferential direction for the fixing base 10 to extend into, and the gasket 9 is supported by the fixing base 10 located below the gasket.

In a specific embodiment of the present invention, the lower end of the tube body 5 is fixedly connected with a rocking handle 11, the axis of the rocking handle 11 and the axis of the upper stop 1 are located on the same vertical plane, the outer sleeve of the rocking handle 11 is provided with a sleeve 13, and a bearing 12 is arranged between the rocking handle 11 and the sleeve 13.

In a specific embodiment of the present invention, the sliding handle 7 is a cylinder, the diameter of the sliding handle 7 is smaller than the width of the sliding groove, and the sliding handle 7 is screwed or welded on the dowel bar 4.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.

The utility model discloses a can two-way pivoted breakout tongs include top stop 1, backstop 2, rectangular tooth, dowel steel 4, pipe shaft 5, stop-off screw 6, slide handle 7, spring 8, gasket 9, unable adjustment base 10, wave handle 11, bearing 12 and sleeve 13, the cross sectional shape of top stop 1 is the annular, the upper portion of top stop 1 is the curved arc board portion of kickup, its lower part is the spill portion, the top of backstop 2 is the cambered surface of kickdown, the lower part of backstop 2 is square portion, square portion can slide from top to bottom in the spill portion, cambered surface and arc board set up relatively from top to bottom, the inboard of arc board all leaves multichannel rectangular tooth on the cambered surface, the reinforcing bar can stretch into between the inboard and the cambered surface of arc board, thereby be held by top stop 1 and backstop 2, multichannel rectangular tooth distributes along the arc, this is for the plane distribution of traditional breakout tongs, increased the area of contact with the reinforcing bar, thereby higher occlusal force has, dowel steel 4 is connected with backstop 2, the outside cover of dowel steel 4 is equipped with shaft 5, shaft 5 is connected with last backstop 1, be equipped with on shaft 5 and prevent taking off screw 6, prevent taking off screw 6 and play the effect of holding screw, be used for locking dowel steel 4, when preventing that the breakout tongs from rotating the reinforcing bar, backstop 2 drives dowel steel 4 and makes a round trip to slide, sliding handle 7 is located the below of preventing taking off screw 6, sliding handle 7 is connected with

dowel steel

4, 8 covers in 4 lower parts of dowel steel in the spring 8 cover, 8 tops of spring push up the lower part at sliding

handle

7, 8 bottoms of spring are supported by gasket 9, thereby make backstop 2 receive an ascending spring force effect all the time, in order to guarantee the inseparable laminating of backstop 2 and reinforcing bar. Gasket 9 is by on unable adjustment base 10, and unable adjustment base 10's quantity is a plurality of, and can dismantle, and unable adjustment base 10 installs into the hole of shaft 5 after, unable adjustment base 10 will have some to stretch into in the shaft 5 to support gasket 9, shake installation bearing 12 between handle 11 and sleeve 13, shake handle 11 and weld with shaft 5. The axis of the rocking handle 11 and the axis of the upper stop piece 1 are positioned on the same vertical plane, so that a worker can conveniently rotate the pipe wrench by rocking the handle 11. The cross sections of the dowel bar 4 and the tube body 5 are both circular.

The dowel bar 4 is a cylinder and can also be in other shapes, is connected with the lower stop piece 2 and can be in threaded connection or welding, and the outer diameter of the dowel bar is slightly smaller than the inner diameter of the pipe body 5.

The pipe body 5 is connected with the upper stop part 2 and can adopt welding or threaded connection, and a threaded hole and a sliding groove are reserved on the pipe body 5. The threaded hole is used for connecting a slip-off preventing screw 6, the slip-off preventing screw 6 is in threaded connection with the pipe body 5, and the threaded hole is arranged in the middle of the upper stop piece and the sliding groove.

The sliding handle 7 is a cylinder, the diameter of the sliding handle is smaller than the width of the sliding groove in the circumferential direction, and the sliding handle 7 is in threaded connection or welded with the dowel bar 4.

In the embodiment of the utility model, the materials adopted by each part of the pipe wrench which can rotate in two directions are cast steel, the outer diameter of the arc-shaped plate part at the upper part of the upper stop part 1 is 60mm, the inner diameter is 44mm, the length of the concave part at the lower part is 60mm, the height is 55mm, and the thickness is 60 mm; the diameter of the cambered surface on the lower stop piece 2 is 44 mm; the diameter of the dowel bar 4 is 20mm, and the length thereof is 158 mm; the inner diameter of the tube body 5 is 22mm, the outer diameter is 40mm, and the length is 224 mm; the diameter of the rocking handle 11 is 16mm, and the length is 139 mm; the sleeve 13 has an outer diameter of 46mm, an inner diameter of 40mm and a length of 92 mm.

When the steel bar fixing device is used specifically, if the steel bar needing to rotate is arranged along the horizontal direction (certainly, the steel bar is not limited to be arranged along the horizontal direction, and the same is true when the steel bar is arranged along other directions), a worker firstly presses down the sliding handle 7 to enable the spring 8 to contract, the lower stop piece 2 moves downwards along with the contraction until the distance between the arc surface of the lower stop piece 2 and the arc plate part is available for the steel bar to pass through, then releases the sliding handle 7, the spring 8 pushes the sliding handle 7 to move upwards, the lower stop piece 2 moves upwards along with the contraction, the steel bar is clamped between the arc surface and the arc plate part, then rotates the anti-release screw 6 to enable the anti-release screw 6 to tightly push the force transmission rod 4, and finally holds the sleeve 13 to enable the sleeve 13 to rotate around the.

In summary, with the above technical solution of the present invention, the occlusal surface is a cambered surface, which has a large contact area with the steel bar and a large occlusion force; the pipe wrench can rotate in two directions, can rotate continuously, is simple and easy to install, and has wider application prospect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe wrench capable of rotating in two directions is characterized by comprising a pipe body (5) which is vertically arranged, the top end of the tube body (5) is fixedly connected with a tubular upper stop part (1), the axis of the upper stop part (1) is horizontally arranged, a dowel bar (4) is sleeved in the tube body (5), the dowel bar (4) upwards extends into the upper stop piece (1) and is fixedly connected with a lower stop piece (2) which is arranged in the upper stop piece (1) in a vertically sliding manner, the upper stop piece (1) and the lower stop piece (2) are both provided with an occlusal surface (3), and the occlusal surfaces (3) of the two are arranged oppositely up and down, the upper part of the tube body (5) is in threaded connection with a release-stopping screw (6) which at least partially can extend into the tube body (5), and the release-stopping screw (6) corresponds to the dowel bar (4).

2. A bi-directional rotatable pipe wrench as claimed in claim 1, wherein the upper part of the upper stopper (1) is an upwardly curved arc plate part, the lower part of which is a concave part, and the inner side of the arc plate part is provided with the engaging surface (3).

3. A pipe wrench capable of rotating in two directions according to claim 2, wherein the lower part of the lower stop member (2) is a square part which is in sliding fit with the concave part, the top of the lower stop member (2) is provided with a downward curved arc surface which corresponds to the arc plate part, and the arc surface is provided with the bite surface (3).

4. A bi-directional rotatable pipe wrench according to any one of claims 1-3, wherein the gripping surface (3) is formed by a plurality of elongated teeth.

5. Pipe wrench according to claim 1, characterized in that the dowel bar (4) is cylindrical in shape, the outer diameter of the dowel bar (4) is smaller than the inner diameter of the pipe body (5), and the dowel bar (4) is screwed or welded to the lower stop (2).

6. The pipe wrench capable of bidirectionally rotating according to claim 1, wherein a sliding handle (7) is convexly arranged at the lower part of the dowel bar (4), a sliding groove for the sliding handle (7) to penetrate out is arranged on the pipe body (5), and the sliding groove extends along the vertical direction.

7. A pipe wrench capable of rotating in two directions according to claim 6, wherein the dowel (4) is sleeved with a spring (8) below the sliding handle (7), the bottom of the spring (8) is supported on a gasket (9), and the gasket (9) is fixedly arranged in the pipe body (5).

8. A pipe wrench as claimed in claim 7, wherein the pipe body (5) has a plurality of holes along its circumference for the fixing base (10) to extend into, and the gasket (9) is supported by the fixing base (10) below.

9. The pipe wrench capable of bidirectionally rotating according to claim 1, wherein a rocking handle (11) is fixedly connected to the lower end of the pipe body (5), the axis of the rocking handle (11) and the axis of the upper stopper (1) are located on the same vertical plane, a sleeve (13) is sleeved outside the rocking handle (11), and a bearing (12) is arranged between the rocking handle (11) and the sleeve (13).

10. A pipe wrench as claimed in claim 6, characterised in that the sliding handle (7) is cylindrical in shape, the diameter of the sliding handle (7) is smaller than the width of the sliding groove, and the sliding handle (7) is screwed or welded to the dowel bar (4).