CN113146526B

CN113146526B - Modularized pipe wrench

Info

Publication number: CN113146526B
Application number: CN202110465614.7A
Authority: CN
Inventors: 张登辉; 吴朝焕; 张圣超
Original assignee: Harbin Pudahongzun Electrical Technology Co ltd
Current assignee: Harbin Pudahongzun Electrical Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2023-05-30
Anticipated expiration: 2041-04-28
Also published as: CN113146526A

Abstract

The invention provides a modularized pipe wrench which comprises two clamping plate seats which are arranged oppositely, wherein one side of each clamping plate seat is provided with a sliding plate in a sliding manner, the other side of each clamping plate seat is provided with a clamping ring in a sliding manner, the two sliding plates are hinged, and the sliding directions of the two sliding plates and the clamping rings are vertical. The pipe wrench is ingenious in structure, convenient to use, flexible to operate and high in clamping precision, the application range of the pipe wrench is greatly improved, and the problems that the clamping diameter and the clamping range cannot be timely adjusted, the clamping precision is low, the holding direction cannot be changed, and the pipe wrench is inconvenient to carry in the construction process are solved.

Description

Modularized pipe wrench

Technical Field

The invention relates to the technical field of mechanical tools, in particular to a modularized pipe wrench.

Background

Most of the existing pipe tongs correspond to one size, when the pipe tongs face installation and disassembly of pipe fittings with different sizes, the pipe tongs are very troublesome to use, and a plurality of pipe tongs are required to be used cooperatively to process, and because the applicable size range is narrow, the pipe tongs are very inconvenient in the use process, the surface can be coated in the manufacturing process of a steel pipe, and only the pipe tongs matched with the diameter of the steel pipe can avoid the damage of the surface coating of the steel pipe, and the whole pipe tongs are not scratched.

Chinese patent document CN 106272200A describes a special-purpose pipe wrench for gripping the surface of a pipeline, which grips the pipe wrench by a main jacket, an auxiliary jacket and a main pressure handle, however, the structure can only grip a steel pipe with a specific size, the grip of a smaller diameter steel pipe is not tight, the rotation looseness occurs, the grip of a larger diameter steel pipe is stressed asymmetrically, the grip is inconvenient, and the surface of the steel pipe is damaged in the whole use process; the Chinese patent document CN 210010898U is a nondestructive pipe wrench, has a complex structure, and can only treat steel pipes with one pipe diameter, so that improvement is needed.

Disclosure of Invention

The invention provides a modularized pipe wrench, which solves the problems that the clamping diameter and range cannot be adjusted in time, the clamping precision is low, the holding direction cannot be changed, and the carrying is inconvenient in the construction process.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a modularization pipe wrench, includes two splint seats that set up relatively, and splint seat one side slides and is equipped with the slide, and splint seat another sideslip is equipped with the snap ring, and two slides are articulated, and the slip direction of slide and snap ring is perpendicular.

In the preferred scheme, splint seat one side runs through and is equipped with the spout, and the slide is slided and is established in the spout, and splint seat's opposite side is equipped with the draw-in groove, and the snap ring is slided and is established in the draw-in groove, and the direction of draw-in groove is perpendicular with the spout direction, and the detachable is equipped with self-adaptation unit in the draw-in groove, and self-adaptation unit is used for the location and the locking of snap ring.

In the preferred scheme, a first counter bore is arranged above the clamping groove, a first through hole is arranged in the first counter bore, the first through hole penetrates through the upper side of the clamping plate seat, a second counter bore is arranged on one side of the first counter bore, a second through hole is arranged in the second counter bore, and the second through hole penetrates through the upper side of the clamping plate seat; a guide groove is further formed in one side of the first counter bore; the self-adaptive unit comprises a positioning column and a limiting column, wherein the positioning column is positioned in the first through hole, and the limiting column is positioned in the second through hole.

In the preferred scheme, the self-adaptive unit comprises a positioning column and a limiting column, wherein the positioning column comprises a first upright column, a round table is arranged at the lower part of the first upright column, a boss is arranged at the outer side of the round table, a first spring is sleeved on the positioning column, and a first inclined plane is arranged at the lower part of the round table; the limit post comprises a second upright post, one side of the second upright post is provided with a stop block, the stop block is provided with a rib plate, the bottom of the rib plate is provided with a second inclined plane, the limit post is sleeved with a second spring, and the upper parts of the first upright post and the second upright post are respectively connected with a locking sleeve in a threaded manner.

In the preferred scheme, the snap ring includes the support, and the support lower part is equipped with the centre gripping semicircle ring, and support one side upper portion is equipped with the locating hole, and locating hole one side is equipped with the second spacing groove, and the centre position distance of second spacing groove distance support is farther, and the opposite side of support is equipped with the driving surface, and the support passes through self-adaptation unit and splint seat connection, locating hole size and reference column size assorted, second spacing groove size and spacing column size assorted.

In the preferred scheme, run through on the slide and be equipped with first route groove and second route groove, one side of slide is equipped with the step, is equipped with the third through-hole on the step, and the upper portion of slide still is equipped with the scale, and the scale is located the top in second route groove.

In the preferred scheme, still run through on the splint seat and be equipped with spacing hole and first spacing groove, the direction in spacing hole and first spacing groove is perpendicular with the direction of spout and draw-in groove respectively, and the opposite side of splint seat relative draw-in groove is equipped with first screw hole, and first screw hole both sides symmetry are equipped with two logical grooves respectively, and it is equipped with the fixed plate to lead to the inslot to slide.

In the preferred scheme, the fixed plate includes two grip blocks of parallel arrangement, and two grip blocks pass through the backup pad and connect, are equipped with the fourth through-hole in the backup pad, and the fixed plate passes through screw and splint seat to be connected, and the tip of grip block is equipped with the grip face.

In the preferred scheme, the both sides of splint seat are equipped with second screw hole and third screw hole respectively, and handle detachable sets up in second screw hole or third screw hole.

In the preferred scheme, the handle includes the portion of gripping, and one side of portion of gripping is equipped with the transition pole, is equipped with the spliced pole on the transition pole, spliced pole and splint seat threaded connection.

The beneficial effects of the invention are as follows:

1) Is convenient to carry: the pipe tongs can be rapidly disassembled, and then the components are orderly placed into the tool box, so that the trouble that the pipe tongs with different specifications occupy larger space is reduced.

2) The use is efficient: according to the diameter of the steel pipe on site, the fully matched pipe tongs can be conveniently assembled, and the convenience in use is ensured;

3) The clamping precision is high: the symmetrical structural design ensures that the stress is uniform during clamping, and the relative gap between the two clamping semicircular rings can be finely adjusted according to the scales on the sliding plate;

4) Flexible operation: through setting up the snap ring of multiunit, can be quick change through the self-adaptation unit, can change the direction of gripping according to the degree of convenience when gripping, the convenience of easier construction.

Drawings

The invention is further described below with reference to the drawings and examples.

FIG. 1 is a general use schematic A of the present invention;

FIG. 2 is a schematic overall top view of the present invention;

FIG. 3 is an overall schematic front view of the present invention;

FIG. 4 is a schematic overall left-hand view of the present invention;

FIG. 5 is a schematic view B of a cleat base according to the present invention;

FIG. 6 is a schematic view C of a cleat base structure of the present invention;

FIG. 7 is a schematic view of a cleat base of the present invention from the bottom;

FIG. 8 is a schematic rear view of the cleat base of the present invention;

FIG. 9 is a schematic top view of the cleat base of the present invention;

FIG. 10 is a sectional view of the cleat base D-D of the present invention;

FIG. 11 is a schematic view of a snap ring structure of the present invention;

FIG. 12 is a schematic front view of a snap ring of the present invention;

FIG. 13 is a schematic top view of the snap ring of the present invention;

FIG. 14 is a schematic overall view of an adaptive unit of the present invention;

FIG. 15 is a schematic right-hand view of the adaptive unit of the present invention;

FIG. 16 is a schematic left-hand view of an adaptive unit of the present invention;

FIG. 17 is an overall schematic view of the skateboard of the present invention;

FIG. 18 is a schematic top view of the skateboard of the present invention;

FIG. 19 is a schematic view showing the overall structure of the fixing plate of the present invention;

FIG. 20 is a schematic view of the overall structure of the handle of the present invention;

FIG. 21 is a schematic view of the first screw structure of the handle of the present invention;

fig. 22 is a general use schematic E of the present invention.

In the figure: a clamping plate seat 1; a chute 101; a card slot 102; a limiting hole 103; a first limit groove 104; a first through hole 105; a second through hole 106; a through groove 107; a first threaded bore 108; a second threaded hole 109; a third threaded hole 110; a first counterbore 111; a second counterbore 112; a guide groove 113; a second sliding surface 114; screw alignment groove 115; a clasp 2; a support 201; clamping the semicircular ring 202; a positioning hole 203; a second limit groove 204; a driving surface 205; an adaptive unit 3; positioning posts 301; a spacing post 302; a first upright 303; round table 304; a boss 305; a first ramp 306; a second upright 307; a stop 308; rib 309; a second inclined surface 310; a first spring 311; a second spring 312; a locking sleeve 313; a slide plate 4; a first path groove 401; a second path slot 402; a first sliding surface 403; a stage 404; a third through hole 405; a scale 406; locking nails; a fixing plate 5; a clamping plate 501; a support plate 502; fourth through hole 503; a clamping surface 504; a screw 505; a handle 6; a grip 601; a transition rod 602; a connecting post 603; a first screw 7; a rod body 701; an alignment block 702; a nut 703; and a second screw 8.

Detailed Description

As shown in fig. 1-22, a modularized pipe wrench comprises two clamp plate seats 1 which are oppositely arranged, wherein one side of each clamp plate seat 1 is slidably provided with a slide plate 4, the other side of each clamp plate seat 1 is laterally provided with a clamp ring 2, the two slide plates 4 are hinged, and the sliding directions of the slide plates 4 and the clamp rings 2 are vertical. From this structure, two slide 4 are articulated through locking nail 407 to make splint seat 1 pass through slide 4 and connect, snap ring 2 carries out effectual mechanical centre gripping to pipe surface, during the use, because the complete symmetry of structure has guaranteed the even of pipe fitting atress, thereby avoided the pipe fitting to damage because the centre gripping that the atress inequality produced.

In the preferred scheme, the spout 101 is run through to splint seat 1 one side, and slide 4 slides and establishes in spout 101, and splint seat 1's opposite side is equipped with draw-in groove 102, and snap ring 2 slides and establishes in draw-in groove 102, and the direction of draw-in groove 102 is perpendicular with spout 101 direction, and the detachable is equipped with self-adaptation unit 3 in the draw-in groove 102, and self-adaptation unit 3 is used for the location and the locking of snap ring 2. From this structure, can adjust the interval between two splint seat 1 through adjusting slide 4 in the position of spout 101 to reach the purpose of the size of adjustment centre gripping pipe diameter, two snap rings 2 can be under the drive, abundant laminating pipe fitting's lateral wall, thereby realize carrying out effectual centre gripping function to the pipe fitting.

In a preferred scheme, a first counter bore 111 is arranged above the clamping groove 102, a first through hole 105 is arranged in the first counter bore 111, the first through hole 105 is arranged on the upper side of the clamping plate seat 1 in a penetrating way, a second counter bore 112 is arranged on one side of the first counter bore 111, a second through hole 106 is arranged in the second counter bore 112, and the second through hole 106 is arranged on the upper side of the clamping plate seat 1 in a penetrating way; a guide groove 113 is further formed in one side of the first counter bore 111; the self-adaptive unit 3 comprises a positioning column 301 and a limiting column 302, wherein the positioning column 301 is positioned in the first through hole 105, and the limiting column 302 is positioned in the second through hole 106. From this structure to make the reference column 301 and the spacing post 302 of operation self-adaptation unit 3, can take out snap ring 2 convenient in draw-in groove 102, change with it assorted snap ring 2 according to the difference of pipe diameter, then push into draw-in groove 102, self-adaptation unit accomplish the location and the locking of snap ring 2 this moment automatically, guaranteed the convenience of use, and easy operation, the efficiency of construction is high.

In a preferred solution, the adaptive unit 3 includes a positioning column 301 and a limiting column 302, the positioning column 301 includes a first upright column 303, a round table 304 is provided at the lower part of the first upright column 303, a boss 305 is provided at the outer side of the round table 304, a first spring 311 is sleeved on the positioning column 301, and a first inclined plane 306 is provided at the lower part of the round table 304; the limiting column 302 comprises a second column 307, a stop block 308 is arranged on one side of the second column 307, a rib plate 309 is arranged on the stop block 308, a second inclined plane 310 is arranged at the bottom of the rib plate 309, a second spring 312 is sleeved on the limiting column 302, and locking sleeves 313 are respectively connected with the upper parts of the first column 303 and the second column 307 in a threaded mode. The outer side wall of the locking sleeve 313 is provided with anti-slip lines in a crossed mode, and the operation is more convenient. The boss 305 cross-section is the circular arc, the laminating area is bigger has been guaranteed, the concentration of atress has been avoided, the cross-section of dog 308 is the fillet square, from this structure, through upwards promote reference column 301 and spacing post 302, can be with the complete unblock of snap ring 2, snap ring 2 can follow in the draw-in groove 102 this moment, when snap ring 2 slides into in the draw-in groove 102, first inclined plane 306 and second inclined plane 310's slope is the same, first inclined plane 306 and second inclined plane 310 and snap ring 2's terminal surface contact, the direction of atress has been changed, thereby corresponding outside removal to splint seat 1 has played the effect of drive reference column 301 and spacing post 302, thereby the accurate laminating of outer lateral wall and draw-in groove 102 inside wall of snap ring 2 has been guaranteed to the round platform 304, the route when boss 305 then guaranteed that reference column 304 reciprocates is unanimous, thereby prevent that round platform 304 from rotating, dog 308 adopts square so that in the upper and lower moving process, prevent to block, through dog 308 and rib 309 to carry out axial and radial dual fixed double spacing precision has been guaranteed.

In the preferred scheme, snap ring 2 includes support 201, and support 201 lower part is equipped with centre gripping semicircle ring 202, and support 201 one side upper portion is equipped with locating hole 203, and locating hole 203 one side is equipped with second spacing groove 204, and second spacing groove 204 is farther from support 201's central point put distance, and support 201's opposite side is equipped with driving surface 205, and support 201 passes through self-adaptation unit 3 and splint seat 1 to be connected, and locating hole 203 size and reference column 301 size phase-match, second spacing groove 204 size and spacing column 302 size phase-match. With this structure, the outer side of the support 201 is tightly attached in the clamping groove 102, and the slope of the driving surface 205 is the same as the slope of the first inclined surface 306 and the second inclined surface 310, so that the positioning post 301 and the limiting post 302 are pushed to move upwards in the process of sliding the clamping ring 2 into the clamping groove 104 until the positioning post 301 and the limiting post 302 are respectively clamped into the positioning hole 203 and the second limiting groove 204.

In a preferred scheme, the sliding plate 4 is provided with a first path slot 401 and a second path slot 402 in a penetrating manner, one side of the sliding plate 4 is provided with a stage 404, the stage 404 is provided with a third through hole 405, the upper part of the sliding plate 4 is also provided with a scale 406, and the scale 406 is positioned above the second path slot 402. The slide plate 3 is provided with the first sliding surface 403 on two sides respectively, the cross section of the first sliding surface 403 is arc, the contact area with the sliding groove 101 is increased by adopting arc, the positioning is more accurate, the stress range is larger, the bearing is larger, the first path groove 401 is in an S shape, the second path groove 402 is in a linear type, the structure is adopted, the second path groove 402 has the positioning function, the first path groove 401 can have the self limiting function in the sliding process, the first path groove 401 and the second path groove 402 are mutually matched to achieve the functions of quick adjustment, positioning and locking, the scale 406 can assist adjustment, the use is visual, the slide plate 4 in the clamping seat 1 on two sides can be adjusted to be in a completely symmetrical structure, the adjustment precision is high, and the use is ensured.

In the preferred scheme, still run through and be equipped with spacing hole 103 and first spacing groove 104 on the splint seat 1, spacing hole 103 and first spacing groove 104's direction is perpendicular with the direction of spout 101 and draw-in groove 102 respectively, and splint seat 1 opposite side of draw-in groove 102 is equipped with first screw hole 108, and first screw hole 108 both sides symmetry are equipped with two logical grooves 107 respectively, and the logical inslot 107 slides and is equipped with fixed plate 5. The first screw rod 7 is arranged in the limiting hole 103 in a penetrating manner, the second screw rod 8 is arranged in the first limiting groove 104 in a penetrating manner, the limiting hole 103 is a directional hole, one side of the limiting hole 103 is provided with a screw rod alignment groove 115, the first screw rod 7 comprises a rod body 701, the cross section of the rod body 701 is square, one side of the rod body 701 is provided with an alignment block 702, the appearance size of the rod body 701 is matched with the size of the limiting hole 103, the appearance size of the alignment block 702 is matched with the size of the screw rod alignment groove 115, and the structure is further provided, so that the sliding plate 4 can be conveniently adjusted, the locking force is strong, the connection is firm, the sliding plate 4 can be fixed in the sliding way 101 by adjusting the first screw rod 7 and the second screw rod 8, after the direction of the first screw rod 7 is adjusted, the locking is completed through the nut 703, the side length of the rod body 701 is matched with the width of the second path groove 402, the rod body 701 plays a role in auxiliary positioning for the sliding plate 4, and the fixing plate 5 firmly abuts against the second screw rod 8 in the first path groove 401, so that the moving direction of the sliding plate 4 is limited, and the stability in use is ensured.

In a preferred scheme, the fixed plate 5 includes two clamping plates 501 that are arranged in parallel, two clamping plates 501 are connected through a supporting plate 502, a fourth through hole 503 is arranged on the supporting plate 502, the fixed plate 5 is connected with the clamping plate seat 1 through a screw 505, and a clamping surface 504 is arranged at the end part of the clamping plate 501. The rod body of the second screw rod 8 is cylindrical, and therefore the distance between the fixed plate 5 and the clamping plate seat 1 is adjusted through the screw 505, so that the radial play of the second screw rod 8 is limited, because when the sliding plate 4 moves in the sliding groove 101, the side wall of the first path groove 401 is a continuously variable curved surface, and when the second screw rod 8 is extruded by the side wall of the first path groove 401 under the support of no external force, the radial play is generated, the integral instability of the pipe wrench is caused, the appearance of the clamping surface 504 is matched with the section appearance of the second screw rod 8, the tight fit of the second screw rod 8 is ensured, and the tightness of the second screw rod 8 to be fitted with the sliding plate 4 can be adjusted through the adjusting screw 505.

In a preferred embodiment, the two sides of the clamping plate seat 1 are respectively provided with a second threaded hole 109 and a third threaded hole 110, and the handle 6 is detachably arranged in the second threaded hole 109 or the third threaded hole 110. With this structure, the mounting position of the handle 6 can be changed according to the scene of use, so that the use and operation are convenient.

In a preferred scheme, the handle 6 comprises a holding part 601, a transition rod 602 is arranged on one side of the holding part 601, a connecting column 603 is arranged on the transition rod 602, and the connecting column 603 is in threaded connection with the clamping plate seat 1. From this structure to make the use of handle 6 more convenient, the portion 601 of gripping adopts the arc design, more does benefit to the application of force when gripping, has guaranteed to hold comfortable while more pleasing to the eye.

The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.

Claims

1. A modular pipe wrench, characterized by: the clamping plate comprises two clamping plate seats (1) which are oppositely arranged, wherein one side of each clamping plate seat (1) is slidably provided with a sliding plate (4), the other side of each clamping plate seat (1) is laterally provided with a clamping ring (2), the two sliding plates (4) are hinged, and the sliding directions of the sliding plates (4) and the clamping rings (2) are vertical;

the clamping plate seat (1) one side runs through and is equipped with spout (101), and slide (4) slide is established in spout (101), and the opposite side of clamping plate seat (1) is equipped with draw-in groove (102), and snap ring (2) slide is established in draw-in groove (102), and the direction of draw-in groove (102) is perpendicular with spout (101) direction, and detachable is equipped with self-adaptation unit (3) in draw-in groove (102), and self-adaptation unit (3) are used for the location and the locking of snap ring (2).

2. A modular pipe wrench as claimed in claim 1, wherein: a first counter bore (111) is arranged above the clamping groove (102), a first through hole (105) is formed in the first counter bore (111), the first through hole (105) is arranged on the upper side of the clamping plate seat (1) in a penetrating mode, a second counter bore (112) is formed in one side of the first counter bore (111), a second through hole (106) is formed in the second counter bore (112), and the second through hole (106) is arranged on the upper side of the clamping plate seat (1) in a penetrating mode; a guide groove (113) is further formed in one side of the first counter bore (111); the self-adaptive unit (3) comprises a positioning column (301) and a limiting column (302), wherein the positioning column (301) is located in the first through hole (105), and the limiting column (302) is located in the second through hole (106).

3. A modular pipe wrench as claimed in claim 2, wherein: the self-adaptive unit (3) comprises a positioning column (301) and a limiting column (302), the positioning column (301) comprises a first upright column (303), a round table (304) is arranged at the lower part of the first upright column (303), a boss (305) is arranged at the outer side of the round table (304), a first spring (311) is sleeved on the positioning column (301), and a first inclined plane (306) is arranged at the lower part of the round table (304); the limiting column (302) comprises a second column (307), a stop block (308) is arranged on one side of the second column (307), a rib plate (309) is arranged on the stop block (308), a second inclined plane (310) is arranged at the bottom of the rib plate (309), a second spring (312) is sleeved on the limiting column (302), and locking sleeves (313) are respectively connected with the upper parts of the first column (303) and the second column (307) in a threaded mode.

4. A modular pipe wrench as claimed in claim 1, wherein: the snap ring (2) comprises a support (201), a clamping semicircular ring (202) is arranged at the lower portion of the support (201), a positioning hole (203) is formed in the upper portion of one side of the support (201), a second limiting groove (204) is formed in one side of the positioning hole (203), the second limiting groove (204) is far away from the center position of the support (201), a driving surface (205) is arranged on the other side of the support (201), the support (201) is connected with a clamping plate seat (1) through a self-adaptive unit (3), the size of the positioning hole (203) is matched with that of a positioning column (301), and the size of the second limiting groove (204) is matched with that of a limiting column (302).

5. A modular pipe wrench as claimed in claim 1, wherein: the sliding plate (4) is provided with a first path groove (401) and a second path groove (402) in a penetrating mode, one side of the sliding plate (4) is provided with a step (404), the step (404) is provided with a third through hole (405), the upper portion of the sliding plate (4) is further provided with a scale (406), and the scale (406) is located above the second path groove (402).

6. A modular pipe wrench as claimed in claim 1, wherein: the clamping plate seat (1) is further provided with a limiting hole (103) and a first limiting groove (104) in a penetrating mode, the directions of the limiting hole (103) and the first limiting groove (104) are perpendicular to the directions of the sliding groove (101) and the clamping groove (102) respectively, the other side of the clamping plate seat (1) opposite to the clamping groove (102) is provided with a first threaded hole (108), two through grooves (107) are symmetrically formed in two sides of the first threaded hole (108), and a fixing plate (5) is arranged in the through grooves (107) in a sliding mode.

7. A modular pipe wrench as claimed in claim 6, wherein: the fixing plate (5) comprises two clamping plates (501) which are arranged in parallel, the two clamping plates (501) are connected through a supporting plate (502), a fourth through hole (503) is formed in the supporting plate (502), the fixing plate (5) is connected with the clamping plate seat (1) through a screw (505), and a clamping surface (504) is arranged at the end part of the clamping plate (501).

8. A modular pipe wrench as claimed in claim 1, wherein: the two sides of the clamping plate seat (1) are respectively provided with a second threaded hole (109) and a third threaded hole (110), and the handle (6) is detachably arranged in the second threaded hole (109) or the third threaded hole (110).

9. A modular pipe wrench as claimed in claim 8, wherein: the handle (6) comprises a holding part (601), a transition rod (602) is arranged on one side of the holding part (601), a connecting column (603) is arranged on the transition rod (602), and the connecting column (603) is in threaded connection with the clamping plate seat (1).