CN210998425U - Gear type traceless pipe wrench - Google Patents
Gear type traceless pipe wrench Download PDFInfo
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- CN210998425U CN210998425U CN201922091469.1U CN201922091469U CN210998425U CN 210998425 U CN210998425 U CN 210998425U CN 201922091469 U CN201922091469 U CN 201922091469U CN 210998425 U CN210998425 U CN 210998425U
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- 244000309464 bull Species 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 210000001847 jaw Anatomy 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 230000008719 thickening Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 210000004373 mandible Anatomy 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000002050 maxilla Anatomy 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a gear type traceless pipe wrench, which comprises a jaw and a wrench handle, wherein the jaw comprises an upper jaw component and a lower jaw component, and the wrench handle comprises a rocking handle component; one end of the upper jaw assembly is hinged with the rocking handle assembly, the other end of the upper jaw assembly is hinged with the lower jaw assembly, and the other end of the lower jaw assembly is fixedly provided with a large gear; a pinion is arranged at the hinged position of the upper jaw assembly and the rocking handle assembly and is fixedly arranged on the rocking handle assembly; a return ratchet wheel is arranged on the right side of the pinion and arranged on the rocking handle assembly; the upper jaw assembly and the lower jaw assembly respectively comprise a clamping part, and a rubber pad is arranged on the inner side wall of the clamping part. The traceless pipe wrench of the utility model has the advantages that the holding force of the traceless pipe wrench is large and the slip probability is small in the construction process through the gear combination arrangement; the arrangement of the rubber pad effectively protects the surface of the pipe; the arrangement of the return ratchet wheel enables the traceless pipe wrench to complete the opening of the jaw of the traceless pipe wrench to loosen the pipe when returning, and the traceless pipe wrench does not break away from the pipe, can quickly exert force when screwing the pipe, and is time-saving and labor-saving.
Description
Technical Field
The utility model relates to a breakout tongs especially relates to a gear formula does not have trace breakout tongs.
Background
The pipe wrench is a common tool for installing and repairing pipelines and is used for rotating metal pipes or other cylindrical pipe fittings; the pipe tongs are convenient to use due to large engaging force and widely applied to places with low installation requirements, such as common galvanized pipes. Existing pipe tongs include multiple types: tooth formula, chain formula, water pump pincers, belt spanner etc. but current breakout tongs also have some fatal weak points, and thereby the breakout torque is carried out to sharp keeping silent owing to the adoption of above-mentioned type breakout tongs, consequently current breakout tongs can not be to ceramic pipe fitting, thin wall pipe fitting, plastics pipe fitting etc. centre gripping, rotation, otherwise the distortion appears in tubular product very easily. If the pipeline adopts a factory prefabricated anti-corrosion process, the pipeline can be scratched by using the existing pipe tongs for installation, and the surface of a pipe fitting is damaged.
At present, factory pre-coated pipes are widely used in the gas industry, and comprise galvanized pipe pre-coating and seamless steel pipe epoxy coating, and can generate biting marks on the surface of a pipeline when being installed by using the existing common pipe wrench, so that an anticorrosive coating is damaged, the damaged anticorrosive coating is difficult to restore to the original anticorrosive level, and color difference can be generated after the anticorrosive coating is repaired. For the pipeline located in the residential user room, the existing pipe wrench is used for installation, so that the anti-corrosion layer outside the pipeline can be damaged to influence the service life of the pipeline, and the appearance of the pipeline can be influenced due to the fact that color difference exists after the anti-corrosion layer is repaired. Moreover, when the existing common pipe tongs are used for operating thin-wall stainless steel pipes, PE pipes, PPR pipes, pipes with higher hardness (such as 304 stainless steel) and the like, the common pipe tongs cannot produce effective biting marks, so the operation effect of the common pipe tongs is poor.
In addition, the pipeline to be screwed is influenced by external environmental factors, the single rotation stroke of the pipeline is limited when the pipeline is screwed by the pipe tongs, the pipe tongs cannot screw the pipeline only once, the pipe tongs need to loosen the pipeline for many times, the relative position of the pipe tongs is readjusted on the pipeline and then the pipeline is screwed for the next step, and the pipeline is screwed by screwing for many times of the pipe tongs. The pipe wrench in the prior art is very easy to separate from a pipeline when the pipeline is loosened, the pipe wrench needs to be installed on the pipeline again, the installation of the pipe wrench is very complicated and inconvenient after the pipe wrench is repeatedly screwed, the screwing process of the pipeline is intermittent, the pipeline is screwed up, the time consumption is long, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a gear type traceless pipe wrench.
In order to solve the technical problem, the utility model discloses a technical scheme is: a gear type traceless pipe wrench comprises a jaw and a wrench handle, wherein the jaw comprises an upper jaw assembly and a lower jaw assembly, and the wrench handle comprises a rocking handle assembly; one end of the upper jaw assembly is hinged with the rocking handle assembly, the other end of the upper jaw assembly is hinged with the lower jaw assembly, and the other end of the lower jaw assembly is fixedly provided with a large gear; a pinion matched with the large gear is arranged at the hinged position of the upper jaw assembly and the rocking handle assembly, and the pinion is fixedly arranged on the rocking handle assembly; a return ratchet wheel is arranged on the right side of the pinion and arranged on the rocking handle assembly;
the upper jaw assembly and the lower jaw assembly respectively comprise a clamping part, and a rubber pad is arranged on the inner side wall of the clamping part.
The upper jaw assembly comprises an upper clamping part and an upper mounting part, and the upper clamping part is positioned on the inner side of the upper mounting part; a positioning column is fixedly inserted into the right part of the upper mounting part, and the outer side wall of the right part of the upper mounting part protrudes outwards to form a limiting table;
the upper jaw assembly is formed by overlapping an upper jaw plate and a thickened plate A; the upper jaw plates are two, the thickened plate A is a plurality of plates, and the plurality of the thickened plates A are arranged between the two upper jaw plates.
The lower jaw assembly comprises a lower clamping part and a lower mounting part, and the lower clamping part is positioned on the inner side of the lower mounting part;
the lower jaw assembly is formed by overlapping a lower jaw plate, a thickened plate B and a thickened plate C; the lower jaw plate is a piece, the thickened plates B and the thickened plates C are sequentially and symmetrically distributed on two sides of the lower jaw plate from inside to outside, and the thickened plates B and the thickened plates C are even pieces;
the bull gear is fixedly arranged at the right end of the lower jaw plate.
The rocking handle assembly comprises a rocking handle mounting part and a holding part, wherein the rocking handle mounting part is positioned on the left side of the holding part;
the rocking handle component is formed by overlapping a rocking handle plate and a rocking handle rubber filling plate; the rocking handle plates are two, the rocking handle rubber filling plate is one, the two rocking handle plates are symmetrically arranged on two sides of the rocking handle rubber filling plate, and the return ratchet wheel is arranged on one of the rocking handle plates;
the pinion is fixedly arranged at the left end of the rocking handle rubber filling plate; the outer side wall of the upper part of the pinion protrudes outwards to form a positioning table A and a positioning table B respectively, and the positioning table A is positioned on the left of the positioning table B;
the top end of the positioning table B is downwards sunken to form an arc-shaped surface, and the arc-shaped surface of the positioning table B is matched with the outer side wall of the positioning column.
Furthermore, the inner side walls of the upper clamping part and the lower clamping part are provided with anti-sliding barbs, and the rubber pads are arranged on the inner sides of the anti-sliding barbs.
Furthermore, one end of the upper mounting part is hinged with the lower mounting part through a pin shaft, and the other end of the upper mounting part is hinged with the rocking handle mounting part through a pin shaft.
The traceless pipe wrench of the utility model has the advantages that the holding force of the traceless pipe wrench is large and the slip probability is small in the construction process through the gear combination arrangement; the arrangement of the rubber pad ensures that the traceless pipe wrench has no damage to the surface of the pipe, thereby effectively protecting the surface of the pipe; the arrangement of the return ratchet wheel enables the traceless pipe wrench to complete the opening of the jaw of the traceless pipe wrench to loosen the pipeline when returning, and the traceless pipe wrench is not separated from the pipeline, the traceless pipe wrench does not need to be installed on the pipeline again for many times, the quick force application when the pipeline is tightened can be realized, the time consumed for tightening the pipeline is short, and time and labor are saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the upper jaw assembly.
Fig. 3 is a schematic view of the components of the maxilla assembly.
Fig. 4 is a schematic view of the structure of the lower jaw assembly.
Fig. 5 is a schematic view of the components of the mandible assembly.
FIG. 6 is a schematic view of the construction of the rocker handle assembly.
FIG. 7 is a schematic diagram of the components of the rocker handle assembly.
Fig. 8 is a schematic view of the first installation state of the pipe wrench on the pipe to be tightened.
Fig. 9 is a partially enlarged view of the positioning table a on the bull gear and the positioning column on the positioning table B in fig. 8.
Fig. 10 is a schematic view of the pipe wrench engaged with a pipe to be tightened according to the present invention.
Fig. 11 is an enlarged view of a portion of the bull gear and pinion gear of fig. 10 in proper mesh.
Fig. 12 is a schematic view of the pipe wrench in a position of returning to the pipeline.
FIG. 13 is an enlarged view of a portion of the retention stage of FIG. 12 retaining the return ratchet.
In the figure: 1. a maxilla assembly; 2. a chin assembly; 3. a rocking handle assembly; 4. a pinion gear; 5. a bull gear; 6. returning the ratchet wheel; 7. a rubber pad; 8. an upper clamping portion; 9. an upper mounting portion; 10. anti-slip barb; 11. a positioning column; 12. a limiting table; 13. a jaw plate is arranged; 14. thickening the plate A; 15. a lower clamping portion; 16. a lower mounting portion; 17. a lower jaw plate; 18. thickening the plate B; 19. adding a thick plate C; 20. a rocker arm plate; 21. a rocking handle rubber filling plate; 22. a rocking handle mounting part; 23. a grip portion; 24. a pin shaft; 25. a positioning table B; 26. a positioning table A; 27. and (5) tightening the pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the gear type traceless pipe wrench comprises a jaw and a wrench handle, wherein the jaw comprises an upper jaw assembly 1 and a lower jaw assembly 2, and the wrench handle comprises a rocking handle assembly 3; one end of the upper jaw component 1 is hinged with the rocking handle component 3, the other end of the upper jaw component is hinged with the lower jaw component 2, and the other end of the lower jaw component 2 is fixedly provided with a large gear 5; a pinion 4 matched with the large gear is arranged at the hinged position of the upper jaw assembly 1 and the rocking handle assembly 3, and the pinion 4 is fixedly arranged on the rocking handle assembly 3; a return ratchet wheel 6 is arranged on the right side of the pinion 4, and the return ratchet wheel 6 is arranged on the rocking handle component 3.
As shown in fig. 2, the maxilla assembly 1 includes an upper holding portion 8, an upper mounting portion 9, the upper holding portion 8 being located inside the upper mounting portion 9; a positioning column 11 is fixedly inserted into the right part of the upper mounting part 9, and the right outer side wall of the upper mounting part 9 protrudes outwards to form a limiting table 12.
As shown in fig. 3, the upper jaw assembly 1 is formed by stacking an upper jaw plate 13 and a thickened plate a 14; the upper jaw plates 13 are two pieces, the thickened plate A14 is a plurality of pieces, and the plurality of thickened plates A are arranged between the two pieces of upper jaw plates; the plurality of thickened plates A are used for increasing the thickness of the upper jaw assembly 1 so as to increase the contact area between the upper jaw assembly 1 and the pipeline 27 with the tightening belt, and two ends of the positioning column 11 are respectively fixed on the two upper jaws.
As shown in fig. 4, the lower jaw assembly 2 comprises a lower clamping portion 15, a lower mounting portion 16, the lower clamping portion 15 being located inside the lower mounting portion 16; as shown in fig. 5, the lower jaw assembly 2 is formed by stacking a lower jaw plate 17, a thickened plate B18 and a thickened plate C19; the lower jaw plate 17 is a single plate, the thickened plate B18 and the thickened plate C19 are symmetrically distributed on two sides of the lower jaw plate 17 from inside to outside, and the thickened plate B18 and the thickened plate C19 are even sheets; thickened plates B18 and C19 are used to increase the thickness of the lower jaw assembly 2 and thus the contact area of the lower jaw assembly 2 with the tightening pipe 27. The bull gear 5 is fixedly arranged at the right end of the lower jaw plate 17.
As shown in fig. 6, the rocking handle assembly 3 includes a rocking handle mounting portion 22, a holding portion 23, the rocking handle mounting portion 22 being located on the left side of the holding portion 23; as shown in fig. 7, the rocking handle assembly 3 is formed by stacking a rocking handle plate 20 and a rocking handle rubber filling plate 21; the rocking handle plates 20 are two, the rocking handle rubber filling plate 21 is one, the two rocking handle plates are symmetrically arranged on two sides of the rocking handle rubber filling plate 21, and the return ratchet 6 is arranged on one of the rocking handle plates; the arrangement of the rocking handle rubber filling plate 21 can increase the thickness of the rocking handle assembly 3, and an operator can conveniently hold the holding part of the rocking handle assembly.
The pinion 4 is fixedly arranged at the left end of the rocking handle rubber filling plate 21; the upper outer side wall of the pinion 4 protrudes outwards to form a positioning table A26 and a positioning table B25 respectively, and the positioning table A26 is positioned at the left of the positioning table B25; the top end of the positioning table B25 is recessed downwards to form an arc-shaped surface, and the arc-shaped surface of the positioning table B25 is matched with the outer side wall of the positioning column 11.
The upper jaw assembly 1 and the lower jaw assembly 2 both comprise a clamping part, and a rubber pad 7 is arranged on the inner side wall of the clamping part. The inner side walls of the upper clamping portion 8 and the lower clamping portion 15 are provided with anti-sliding barbs 10, the rubber pad 7 is arranged on the inner side of the anti-sliding barbs 10, and the anti-sliding barbs 10 are used for preventing the rubber pad 7 from sliding.
One end of the upper mounting portion 9 is hinged to the lower mounting portion 16 by a pin, and the other end is hinged to the rocking handle mounting portion 22 by a pin 24.
The working method of the utility model is as follows: as shown in fig. 8, when the traceless pipe wrench of the present invention is installed for the first time on a pipe to be tightened, the pipe to be tightened is located between the clamping portions of the upper jaw assembly 1 and the lower jaw assembly 2; the return ratchet 6 is rotated clockwise relative to the rocking handle assembly 3, so that the ratchet teeth of the return ratchet 6 are higher than the limit table 12 of the upper jaw assembly 1, the ratchet teeth of the return ratchet 6 cannot abut against the limit table 12 of the upper jaw assembly 1 when the return ratchet 6 rotates anticlockwise along with the rocking handle assembly 3, and the limit table 12 does not limit the return ratchet 6; as shown in fig. 9, the rocking handle assembly 3 is rotated counterclockwise until the arc-shaped surface of the positioning table B25 of the pinion 4 of the rocking handle assembly 3 is attached to the outer side wall of the positioning column 11 of the upper jaw assembly 1, the attachment point is the positioning point where the large and small gears are correctly engaged with the upper rocking handle, and at this time, the positioning column 11 is matched with the positioning table B25 to complete the positioning of the rocking handle assembly 3 relative to the upper jaw assembly 1; rotating the mandible assembly 2 anticlockwise until the first teeth of the upper number of the large gear 5 of the mandible assembly 2 are in contact with a positioning table A26 of a small gear 4 of the rocking handle assembly 3, wherein the contact point is the positioning point of the large gear and the small gear which are correctly meshed with the lower gear, and at the moment, the large gear 5 is matched with the positioning table A26 to complete the positioning of the mandible assembly 2 relative to the rocking handle assembly 3;
two positioning points are generated by the contact of the pinion 4 provided with the positioning table A and the positioning table B with the upper jaw assembly and the lower jaw assembly, when the traceless pipe wrench is initially installed on a pipeline to be tightened, the relative positions of the upper jaw assembly 1, the lower jaw assembly 2 and the rocking handle assembly 3 are determined, so that the large gear and the pinion are not dislocated when the traceless pipe wrench is initially installed, the large gear and the pinion are in a correct meshing state when the large gear and the pinion are meshed in the next step, namely the second teeth of the large gear 5 are working stress teeth, as shown in fig. 10 and 11, at the moment, the large gear and the pinion are in the correct meshing state, so that the upper jaw assembly 1 and the lower jaw assembly 2 are meshed with the pipeline to be tightened, and the upper jaw assembly and the lower jaw assembly generate holding force on the pipeline; the jaw composed of the upper jaw component and the lower jaw component and the rocking handle component 3 connected with the jaw form a labor-saving lever together, and a pin shaft 24 connecting the upper jaw component and the rocking handle component is a fulcrum of the labor-saving lever; the labor-saving lever plays a role in saving the strength of operators, the meshing torque of the big gear and the small gear on the pipeline is increased, and the holding force of the traceless pipe wrench on the pipeline is correspondingly increased along with the increase of the meshing torque; the rubber pad 7 that upper and lower jaw subassembly clamping part set up produces frictional force when holding tightly the pipeline, prevents to screw up the pipeline in-process no trace breakout tongs and skids to the rubber pad plays the guard action to the surface of pipeline, and the pipeline surface after screwing up is the no damage absolutely. The rubber pad 7 can be replaced after being damaged, so that the service life of the traceless pipe wrench is longer; the replacement cost of the rubber pad is low, and the use cost of the traceless pipe wrench is reduced.
As shown in fig. 12 and 13, the traceless pipe wrench of the present invention is provided with the return ratchet 6, when the traceless pipe wrench needs to loosen a pipeline, the return ratchet 6 is rotated to rotate counterclockwise relative to the rocking handle assembly 3, and the ratchet teeth of the return ratchet 6 are lower than the limit table 12 of the upper jaw assembly 1; the rocking handle assembly 3 is rotated anticlockwise, the anticlockwise rotation of the rocking handle assembly 3 relieves the clamped state of the pipeline, the rocking handle assembly 3 drives the return ratchet wheel 6 to rotate anticlockwise, the ratchet wheel teeth of the return ratchet wheel 6 abut against the limiting table 12 of the upper jaw assembly 1, the return ratchet wheel 6 is blocked, so that the rocking handle assembly 13 is blocked, the rocking handle assembly 13 cannot rotate anticlockwise continuously, the control of the twisting angle of the clamp handle when the traceless pipe clamp is reversed, the quick force generation is facilitated when an operator tightens the pipeline, and the pinion 4 of the rocking handle assembly 3 and the gearwheel 5 of the lower jaw assembly 2 are still in the occluded state but the upper jaw assembly and the lower jaw assembly of the traceless pipe clamp do not clamp the pipeline at the moment, the adjustment of the position of the traceless pipe clamp on the pipeline is realized, the traceless pipe clamp does not separate from the pipeline, and the complex and inconvenient operation caused by the repeated installation of the pipe clamp is avoided; the traceless pipe wrench can be installed on a pipeline only once to complete the screwing of the pipeline, so that the screwing process of the pipeline is changed into a continuous process, and the traceless pipe wrench can realize quick force application and more quickly complete the screwing of the pipeline. The position of the return ratchet 6 can be adjusted along with the pipe diameter of a screwed pipeline so as to achieve better working effect.
When the traceless pipe wrench needs to be separated from a pipeline, the position of the return ratchet wheel 6 is adjusted clockwise, so that the ratchet teeth of the return ratchet wheel 6 are higher than the limiting table 12 of the upper jaw assembly 1, the limiting table 12 cannot be abutted against the ratchet teeth of the return ratchet wheel 6, the limiting table 12 does not limit the return ratchet wheel 6, the rocking handle assembly 3 is rotated anticlockwise to release the occlusion between the large gear and the small gear, and therefore the traceless pipe wrench is separated from the pipeline.
The utility model discloses a no trace breakout tongs is provided with return ratchet 6, and no trace breakout tongs has both accomplished its keeping silent when the return and has loosened the pipeline, makes no trace breakout tongs not break away from the pipeline again, and no trace breakout tongs does not need to be installed again many times on the pipeline, can realize having an effect fast when screwing up the pipeline, and the pipeline is screwed up the time spent short, labour saving and time saving. The utility model discloses thickening piece A, thickening piece B, thickening piece C that no trace breakout tongs set up have increased the thickness of upper and lower jaw subassembly, and then have increased the area of contact between upper and lower jaw subassembly and the pipeline, and its whole circumference atress is balanced when the pipeline is screwed up for no trace breakout tongs can not produce construction places such as effective bite marks and gain good effect at thin wall stainless steel pipe, PE tubular product, PPR tubular product and hardness ordinary breakout tongs such as higher (like 304 stainless steel) tubular product. The traceless pipe wrench of the utility model has the advantages that the holding force of the traceless pipe wrench is large and the slip probability is small in the construction process through the gear combination arrangement; the arrangement of the rubber pad ensures that the traceless pipe wrench has no damage to the surface of the pipe, thereby effectively protecting the surface of the pipe; the arrangement of the return ratchet wheel enables the traceless pipe wrench to complete the opening of the jaw of the traceless pipe wrench to loosen the pipeline when returning, and the traceless pipe wrench is not separated from the pipeline, the traceless pipe wrench does not need to be installed on the pipeline again for many times, the quick force application when the pipeline is tightened can be realized, the time consumed for tightening the pipeline is short, and time and labor are saved.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (6)
1. The gear type traceless pipe wrench is characterized in that: the jaw comprises an upper jaw assembly (1) and a lower jaw assembly (2), and the forceps handle comprises a rocking handle assembly (3); one end of the upper jaw component (1) is hinged with the rocking handle component (3), the other end of the upper jaw component is hinged with the lower jaw component (2), and the other end of the lower jaw component (2) is fixedly provided with a large gear (5); a small gear (4) matched with the large gear is arranged at the hinged position of the upper jaw assembly (1) and the rocking handle assembly (3), and the small gear (4) is fixedly arranged on the rocking handle assembly (3); a return ratchet wheel (6) is arranged on the right side of the pinion (4), and the return ratchet wheel (6) is arranged on the rocking handle assembly (3);
the upper jaw assembly (1) and the lower jaw assembly (2) both comprise clamping parts, and rubber pads (7) are arranged on the inner side walls of the clamping parts.
2. The gear type traceless pipe wrench of claim 1, wherein: the upper jaw assembly (1) comprises an upper clamping part (8) and an upper mounting part (9), and the upper clamping part (8) is positioned on the inner side of the upper mounting part (9); a positioning column (11) is fixedly inserted into the right part of the upper mounting part (9), and the outer side wall of the right part of the upper mounting part (9) protrudes outwards to form a limiting table (12);
the upper jaw assembly (1) is formed by superposing an upper jaw plate (13) and a thickened plate A (14); the upper jaw plates (13) are two, the thickened plates A (14) are multiple, and the multiple thickened plates A are arranged between the two upper jaw plates.
3. The gear type traceless pipe wrench of claim 2, wherein: the lower jaw assembly (2) comprises a lower clamping part (15) and a lower mounting part (16), and the lower clamping part (15) is positioned on the inner side of the lower mounting part (16);
the lower jaw assembly (2) is formed by overlapping a lower jaw plate (17), a thickened plate B (18) and a thickened plate C (19); the lower jaw plate (17) is a piece, the thickened plates B (18) and the thickened plates C (19) are sequentially and symmetrically distributed on two sides of the lower jaw plate (17) from inside to outside, and the thickened plates B (18) and the thickened plates C (19) are even pieces;
the bull gear (5) is fixedly arranged at the right end of the lower jaw plate (17).
4. The gear type traceless pipe wrench of claim 3, wherein: the rocking handle assembly (3) comprises a rocking handle mounting part (22) and a holding part (23), and the rocking handle mounting part (22) is positioned on the left side of the holding part (23);
the rocking handle assembly (3) is formed by overlapping a rocking handle plate (20) and a rocking handle rubber filling plate (21); the number of the rocking handle plates (20) is two, the number of the rocking handle rubber filling plates (21) is one, the two rocking handle plates are symmetrically arranged on two sides of the rocking handle rubber filling plates (21), and the return ratchet wheel (6) is arranged on one of the rocking handle plates;
the pinion (4) is fixedly arranged at the left end of the rocking handle rubber filling plate (21); the outer side wall of the upper part of the pinion (4) protrudes outwards to form a positioning table A (26) and a positioning table B (25), and the positioning table A (26) is positioned on the left of the positioning table B (25);
the top end of the positioning table B (25) is downwards sunken to form an arc-shaped surface, and the arc-shaped surface of the positioning table B (25) is matched with the outer side wall of the positioning column (11).
5. The gear type traceless pipe wrench of claim 3, wherein: the inner side walls of the upper clamping part (8) and the lower clamping part (15) are respectively provided with an anti-sliding barb (10), and the rubber pad (7) is arranged on the inner side of the anti-sliding barb (10).
6. The gear type traceless pipe wrench of claim 4, wherein: one end of the upper mounting part (9) is hinged with the lower mounting part (16) through a pin shaft, and the other end of the upper mounting part is hinged with the rocking handle mounting part (22) through a pin shaft (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922091469.1U CN210998425U (en) | 2019-11-28 | 2019-11-28 | Gear type traceless pipe wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922091469.1U CN210998425U (en) | 2019-11-28 | 2019-11-28 | Gear type traceless pipe wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210998425U true CN210998425U (en) | 2020-07-14 |
Family
ID=71498507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922091469.1U Expired - Fee Related CN210998425U (en) | 2019-11-28 | 2019-11-28 | Gear type traceless pipe wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210998425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757387A (en) * | 2019-11-28 | 2020-02-07 | 威海港华燃气有限公司 | Gear type traceless pipe wrench and method |
| CN114227590A (en) * | 2022-01-14 | 2022-03-25 | 国网河南省电力公司电力科学研究院 | Special distribution transformer top-mounted tubular oil level gauge assembling and disassembling wrench and using method |
-
2019
- 2019-11-28 CN CN201922091469.1U patent/CN210998425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757387A (en) * | 2019-11-28 | 2020-02-07 | 威海港华燃气有限公司 | Gear type traceless pipe wrench and method |
| CN114227590A (en) * | 2022-01-14 | 2022-03-25 | 国网河南省电力公司电力科学研究院 | Special distribution transformer top-mounted tubular oil level gauge assembling and disassembling wrench and using method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200714 |