CN214418656U

CN214418656U - Novel chain type wrench

Info

Publication number: CN214418656U
Application number: CN202120427772.9U
Authority: CN
Inventors: 魏思源
Original assignee: Individual
Current assignee: Golden Nail Technology Beijing Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-19
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a novel chain formula spanner. The utility model discloses a: handheld board, the front side of handheld board is opened and is equipped with first commentaries on classics hole, first pivot is installed to first pivot internal rotation, the front side of handheld board is opened and is equipped with two seconds and changes the hole, the second is changeed the downthehole internal rotation and is installed the second pivot, the rear side fixedly connected with driving motor of handheld board, driving motor's output shaft and the rear end fixed connection of first pivot, the equal fixedly connected with sprocket of front end of first pivot and second pivot, the meshing has same chain on the three sprocket, the front side of handheld board is opened and is equipped with the circular slot, sliding mounting has the cylinder in the circular slot, cylindrical rear end fixedly connected with square plate, the square groove has been seted up on the rear side inner wall of circular slot, square plate sliding mounting is in the square groove. The problem that the spanner adjusting range is very small, the existing spanner needs to be manually rotated, and the spanner cannot be unfolded in a place with a narrow space due to manual rotation is effectively solved.

Description

Novel chain type wrench

Technical Field

The utility model relates to a spanner technical field specifically is a novel chain formula spanner.

Background

The wrench is a common hardware tool, is generally used for screwing non-circular workpieces such as nuts, nuts and the like, and has the advantages of convenience in operation, time saving, labor saving and the like;

however, the adjustment range of the existing wrench is usually very small for a fixed type wrench or a movable type wrench, and the existing wrench needs to be rotated manually, and the wrench cannot be unfolded in a narrow space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel chain formula spanner to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel chain wrench, comprising: the front side of the hand-held board is provided with a first rotating hole, a first rotating shaft is rotatably arranged in the first rotating hole, the front side of the hand-held board is provided with two second rotating holes, a second rotating shaft is rotatably arranged in the second rotating hole, the rear side of the hand-held board is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with the rear end of the first rotating shaft, the front ends of the first rotating shaft and the second rotating shaft are fixedly connected with chain wheels, the three chain wheels are meshed with the same chain, the front side of the hand-held board is provided with a circular groove, a cylinder is slidably arranged in the circular groove, the rear end of the cylinder is fixedly connected with a square board, the inner wall of the rear side of the circular groove is provided with a square groove, the square board is slidably arranged in the square groove, the inner wall of the rear side of the square groove is provided with an adjusting hole, an adjusting shaft is rotatably arranged in the adjusting hole, the outer side of the adjusting shaft is provided with an external thread, the rear side of the square board is provided with a thread groove, external screw thread and thread groove threaded connection on the regulating spindle, two panels of front side fixedly connected with of handheld board, the top fixedly connected with L template of panel, the equal fixedly connected with push rod motor in one side that two L templates are close to each other, fixedly connected with catch plate on the output shaft of push rod motor, the equal fixedly connected with extrusion ball in one side that two catch plates are close to each other, two extrusion balls all contact with the chain, the inboard of chain is provided with the arch.

Furthermore, the cylinder contacts with the inner side of the chain, so that the tension degree of the chain is guaranteed.

Further, the pushing holes are formed in one side, close to each other, of the two panels, and the pushing plate is slidably mounted in the pushing holes, so that the pushing plate can move conveniently.

Furthermore, the first rotating shaft and the second rotating shaft have the same specification.

Furthermore, the rear end of the adjusting shaft is fixedly connected with a knob, so that the adjusting shaft can be conveniently rotated.

Further, the chain is positioned between the two squeezing balls.

Compared with the prior art, the beneficial effects of the utility model are that:

when the wrench is not used, the cylinder is contacted with the inner side of the chain at the moment, the tensity of the chain is ensured, when the wrench is needed, the knob is rotated, the external thread on the adjusting shaft is connected with the thread of the thread groove, the square plate is driven to move, the cylinder is moved into the round groove, the cylinder is separated from the chain, then the chain is sleeved on the nut, the protrusion at the inner side of the chain is in close contact with the nut, the nut is better clamped, the tensity is ensured, then two push rod motors are started, the push plate drives the extrusion ball to move, the extrusion ball extrudes the chain, the nut is tightened by the protrusion on the chain, the driving motor is started, the first rotating shaft drives the chain wheel at the bottom to rotate, the chain wheel drives the chain to move, the chain drives the other two chain wheels to rotate, the chain can drive the nut to rotate when moving, manual rotation is not needed, the adjusting range is large, can be used in a narrow space.

Drawings

Fig. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of portion A in the embodiment of FIG. 1;

fig. 3 is a side view of the hand-held plate portion in the embodiment of fig. 1.

Reference numerals: 1. a hand-held board; 2. a first rotating shaft; 3. a second rotating shaft; 4. a sprocket; 5. a chain; 6. a drive motor; 7. a circular groove; 8. a cylinder; 9. a square plate; 10. an adjustment shaft; 11. a panel; 12. an L-shaped plate; 13. a push rod motor; 14. a push plate; 15. extruding the ball; 16. and (4) protruding.

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 without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in which fig. 1 is a schematic structural diagram of an embodiment of the present invention; FIG. 2 is a schematic structural diagram of portion A in the embodiment of FIG. 1; fig. 3 is a schematic side view of the hand-held plate portion in the embodiment of fig. 1, a novel chain wrench, comprising: the hand-held board comprises a hand-held board 1, wherein a first rotating hole is formed in the front side of the hand-held board 1, a first rotating shaft 2 is rotatably installed in the first rotating hole, two second rotating holes are formed in the front side of the hand-held board 1, a second rotating shaft 3 is rotatably installed in the second rotating holes, a driving motor 6 is fixedly connected to the rear side of the hand-held board 1, an output shaft of the driving motor 6 is fixedly connected with the rear end of the first rotating shaft 2, chain wheels 4 are fixedly connected to the front ends of the first rotating shaft 2 and the second rotating shaft 3, the three chain wheels 4 are meshed with a same chain 5, a circular groove 7 is formed in the front side of the hand-held board 1, a cylinder 8 is slidably installed in the circular groove, a square board 9 is fixedly connected to the rear end of the cylinder 8, a square board 7 is formed in the inner wall of the rear side of the circular groove, the square board 9 is slidably installed in the square groove, an adjusting hole is formed in the inner wall of the rear side of the square groove, an adjusting shaft 10 is rotatably installed in the adjusting hole, external threads are formed in the outer side of the adjusting shaft 10, the screw groove has been opened to the rear side of square plate 9, external screw thread and screw groove threaded connection on the regulating spindle 10, two panels 11 of front side fixedly connected with of handheld board 1, the top fixedly connected with L template 12 of panel 11, the equal fixedly connected with push rod motor 13 in one side that two L templates 12 are close to each other, fixedly connected with slurcam 14 on the output shaft of push rod motor 13, the equal fixedly connected with extrusion ball 15 in one side that two slurcam 14 are close to each other, two extrusion balls 15 all contact with chain 5, the inboard of chain 5 is provided with arch 16.

The cylinder 8 contacts with the inner side of the chain 5, and the tension degree of the chain 5 is guaranteed.

The pushing holes are formed in one side, close to each other, of each of the two panels 11, and the pushing plate 14 is slidably mounted in the pushing holes so as to be convenient to move the pushing plate 14.

The first rotating shaft 2 and the second rotating shaft 3 have the same specification.

The rear end of the adjusting shaft 10 is fixedly connected with a knob, so that the adjusting shaft 10 can be conveniently rotated.

The chain 5 is located between two squeeze balls 15.

To sum up, the utility model provides a novel chain type wrench, when the wrench is not used, the cylinder 8 contacts with the inner side of the chain 5 at this moment, guarantee the tension degree of the chain 5, when the wrench is needed to be used, the knob is rotated, the knob drives the adjusting shaft 10 to rotate, the external thread on the adjusting shaft 10 is connected with the screw groove thread, drive the square plate 9 to move, the square plate 9 drives the cylinder 8 to move, the cylinder 8 moves into the circular groove 7, the cylinder 8 is separated from the chain 5, then the chain 5 is sleeved on the nut, the hand-held plate 1 is pulled, the bulge 16 on the inner side of the chain 5 is in close contact with the nut, the nut is better clamped, the tension degree is guaranteed, then two push rod motors 13 are started, the output shaft of the push rod motor 13 drives the push plate 14 to move, the push plate 14 drives the extrusion ball 15 to move, the extrusion ball 15 extrudes the chain 5, make 16 bellies on the chain 5 hoop the nut of screwing up, start driving motor 6, driving motor 6's output shaft drives first pivot 2 and rotates, and first pivot 2 drives sprocket 4 of below and rotates, and sprocket 4 drives chain 5 and moves, and chain 5 drives two other sprockets 4 and rotates, and chain 5 can drive the nut when moving and rotate, does not need manual rotation, and accommodation range is big, can use in the narrow and small space in space.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel chain type wrench is characterized by comprising: the hand-held board comprises a hand-held board (1), wherein a first rotating hole is formed in the front side of the hand-held board (1), a first rotating shaft (2) is rotatably arranged in the first rotating hole, two second rotating holes are formed in the front side of the hand-held board (1), a second rotating shaft (3) is rotatably arranged in the second rotating hole, a driving motor (6) is fixedly connected to the rear side of the hand-held board (1), an output shaft of the driving motor (6) is fixedly connected with the rear end of the first rotating shaft (2), chain wheels (4) are fixedly connected to the front ends of the first rotating shaft (2) and the second rotating shaft (3), the three chain wheels (4) are meshed with a same chain (5), a circular groove (7) is formed in the front side of the hand-held board (1), a cylinder (8) is slidably arranged in the circular groove, a square board (9) is fixedly connected to the rear end of the cylinder (8), a square groove is formed in the inner wall of the rear side of the circular groove (7), and the square board (9) is slidably arranged in the square groove, the adjusting hole has been seted up on the rear side inner wall in square groove, regulating spindle (10) are installed to the regulating hole internal rotation, the external screw thread has been seted up in the outside of regulating spindle (10), the rear side of square plate (9) is opened and is equipped with the thread groove, external screw thread and thread groove threaded connection on regulating spindle (10), two panels of front side fixedly connected with (11) of handheld board (1), top fixedly connected with L template (12) of panel (11), the equal fixedly connected with push rod motor (13) in one side that two L templates (12) are close to each other, fixedly connected with slurcam (14) on the output shaft of push rod motor (13), the equal fixedly connected with extrusion ball (15) in one side that two slurcam (14) are close to each other, two extrusion ball (15) all contact with chain (5), the inboard of chain (5) is provided with protruding (16).

2. A new chain wrench as claimed in claim 1, characterised in that the cylinder (8) is in contact with the inside of the chain (5).

3. A novel chain wrench as claimed in claim 1, wherein the sides of the two plates (11) adjacent to each other are provided with pushing holes, and the pushing plate (14) is slidably mounted in the pushing holes.

4. A novel chain wrench as claimed in claim 1, wherein the first shaft (2) and the second shaft (3) are of the same size.

5. A new chain wrench as claimed in claim 1, characterised in that the adjusting shaft (10) is fixedly connected at its rear end with a knob.

6. A new chain wrench according to claim 1, characterised in that the chain (5) is located between two squeeze balls (15).