CN218285312U - Bidirectional ratchet and pawl connecting assembly for wrench - Google Patents

Abstract

The utility model discloses a spanner is with two-way ratchet pawl coupling assembling, its technical scheme main points are: including the fixed plate, first rotation hole has been seted up to the top surface of fixed plate, the rolling disc has been cup jointed in the activity of the interior round wall in first rotation hole, two-way pulling assembly sets up the excircle wall of rolling disc for can two-way pulling the bolt, two-way pulling assembly includes: the first tooth's socket of a plurality of, a plurality of first tooth's socket is seted up the excircle wall of rolling disc, a plurality of second tooth's socket has been seted up to the excircle wall of rolling disc, first spacing groove has been seted up to the interior circle wall in first rotation hole, the inside of first spacing groove is provided with the arc, first fixed orifices has been seted up to the top surface of fixed plate, the second fixed orifices has been seted up to the top surface of arc, uses through mutually supporting of support groove, spacing ring, rolling disc, arc and second tooth's socket, can reach the effect of two-way pulling bolt.

Description

Bidirectional ratchet and pawl connecting assembly for wrench

Technical Field

The utility model relates to a spanner technical field, concretely relates to spanner is with two-way ratchet pawl coupling assembling.

Background

The spanner is a common mounting and dismounting tool, it is a hand tool using lever principle to twist and turn the bolt, screw, nut and other screw threads to tightly hold the opening or trepanning fastener of the bolt or nut, the ratchet mechanism is often used in the transposition of intermittent feeding or rotary working table in various machine tools and automata, it is also commonly used on the jack, the ratchet mechanism is used in one-way driving in the bicycle, the ratchet mechanism is often used in preventing reversion in the manual winch, the pawl is the component of the ratchet mechanism, it is the part of shifting the ratchet to make intermittent motion, the ratchet spanner is a manual screw tightening tool, the single-head, multi-specification movable handle ratchet double offset ring spanner (fixed hole), it is connected by the main double offset ring cover of different specification and size and the female key and male key interlock way of the hinge key from the double offset ring cover, because one double offset ring cover has two specification quincuncial through holes, it can be used for the tightness of two specification screws, thus has expanded application range, the movable handle can conveniently adjust the use angle, this kind of double offset ring spanner is used in the operation of the screw, it has the characteristics of convenient use and low cost.

In the prior art, a bolt or a nut and the like can be screwed or unscrewed by using a ratchet wrench, but the ratchet wrench can generally only screw the bolt in one direction, namely can only screw the bolt clockwise or anticlockwise, and often cannot screw the bolt in two directions, so that certain limitation exists.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a spanner is with two-way ratchet pawl coupling assembling has solved and has used ratchet spanner to screw up or unscrew bolt or nut etc. but ratchet spanner generally can only one-way twist and move the bolt, can only clockwise or anticlockwise twist promptly and move, often can not both directions twist and move, has the problem of certain limitation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a bi-directional ratchet-pawl connection assembly for a wrench, comprising: the fixed plate, first rotation hole has been seted up to the top surface of fixed plate, the rolling disc has been cup jointed in the activity of the interior round wall in first rotation hole, two-way pulling assembly sets up the excircle wall of rolling disc for can two-way pulling the bolt, two-way pulling assembly includes: the first tooth's socket of a plurality of, a plurality of first tooth's socket is seted up the excircle wall of rolling disc, a plurality of second tooth's socket has been seted up to the excircle wall of rolling disc, first spacing groove has been seted up to the interior circle wall in first rotation hole, the inside of first spacing groove is provided with the arc, first fixed orifices has been seted up to the top surface of fixed plate, the second fixed orifices has been seted up to the top surface of arc, the fixed rotation post that has cup jointed of interior circle wall in second fixed orifices, two first spacing holes have been seted up to the excircle wall of arc, the rotation post with the interior circle wall activity of first fixed orifices cup joints, the top surface fixed mounting who rotates the post has the toughness board, two screw holes have been seted up to the top surface of fixed plate, the top surface of toughness board has seted up the third fixed orifices, first bolt has been cup jointed in the inside activity of third fixed orifices, first bolt with screw hole threaded connection, two support grooves have been seted up to the interior circle wall activity of first rotation hole, the interior circle wall activity of support groove has the spacing ring, cup joint with the excircle fixed mounting of rolling disc, the arc with the excircle wall activity cup joints of first movable plate.

In order to can rotate the T-shaped piece, as the utility model discloses a two-way ratchet pawl coupling assembling is used to spanner, the preferred, the rotation groove has been seted up to the top surface of fixed plate, the T-shaped piece has been cup jointed in the inside activity in rotation groove, the second rotation hole has been seted up to one side of T-shaped piece, the connecting hole has been seted up to one side of fixed plate, the second bolt has been cup jointed in the interior round wall activity of connecting hole, the second bolt with the second rotates the hole activity and cup joints, the excircle wall threaded connection of second bolt has the screw ring.

In order to adjust the overall length to stay tube and movable plate, as the utility model discloses a two-way ratchet pawl coupling assembling is used to spanner, the preferred, one side fixed mounting of T-shaped piece has the movable plate, the outside activity of movable plate has cup jointed the stay tube.

In order to restrict the movable plate at the inside displacement range of stay tube, as the utility model discloses a two-way ratchet pawl coupling assembling is used to spanner, the preferred, the spacing hole of second has been seted up to the top surface of stay tube, the limiting plate has been cup jointed in the inside activity in the spacing hole of second, the limiting plate with movable plate fixed mounting, a plurality of second spacing groove has been seted up to the top surface of limiting plate, the sliding tray has been seted up to the top surface of stay tube, the sliding block has been cup jointed in the inside activity of sliding tray, the sliding block with the inside activity of second spacing groove is cup jointed.

In order to prevent that the sliding block from breaking away from inside the sliding tray, conduct the utility model discloses a two-way ratchet pawl coupling assembling for spanner, the preferred, the third spacing groove has been seted up respectively to the inside both sides of sliding tray, the stopper has been cup jointed in the inside activity of third spacing groove, the stopper with one side fixed mounting of sliding block.

Get into the second spacing inslot portion in order to promote the sliding block, conduct the utility model discloses a two-way ratchet pawl coupling assembling is used to spanner, the preferred, one side fixed mounting of sliding block has the spring, the one end of spring with inside one side fixed mounting of sliding tray.

In order to facilitate the user to remove the sliding block, as the utility model discloses a two-way ratchet pawl coupling assembling is used to spanner, the preferred, the top surface fixed mounting of sliding block has the pulling piece.

To sum up, the utility model discloses mainly have following beneficial effect:

through the mutually supporting use of supporting groove, spacing ring, rolling disc, arc and second tooth's groove, can reach the effect of two-way pulling bolt.

Through the T-shaped piece, the second rotates the hole, the use of mutually supporting of second bolt and screw ring, can reach the effect of rotatory T-shaped piece, use through mutually supporting of movable plate and limiting plate, can reach the effect that improves stay tube and movable plate total length, through the second spacing groove, the sliding block, the use of mutually supporting of the spacing hole of second and limiting plate, can reach the effect of restriction movable plate at the inside displacement range of stay tube, through the sliding block, the use of mutually supporting of second bolt and sliding tray, can reach the effect that prevents the sliding block and break away from the inside of sliding tray, through pulling the piece, the use of mutually supporting in connecting hole and the spacing hole of second, can reach the effect that the person of being convenient for to use removed the sliding block.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of a T-shaped block of the present invention;

fig. 3 is a schematic structural view of the fixing plate of the present invention;

FIG. 4 is a partial schematic view of A of FIG. 3;

FIG. 5 is a partial schematic view of B of FIG. 3;

fig. 6 is a partial structural view of C in fig. 2.

Reference numerals: 1. a fixing plate; 2. a first rotation hole; 3. rotating the disc; 4. a first tooth slot; 5. a second tooth slot; 6. a first limit groove; 7. a first fixing hole; 8. rotating the column; 9. a second fixing hole; 10. A tough plate; 11. a third fixing hole; 12. a first bolt; 13. a threaded hole; 14. an arc-shaped plate; 15. A first limit hole; 16. a support groove; 17. a limiting ring; 18. a rotating groove; 19. connecting holes; 20. a second bolt; 21. a threaded ring; 22. a T-shaped block; 23. a second rotation hole; 24. moving the plate; 25. a limiting plate; 26. a second limit groove; 27. a second limiting hole; 28. a sliding groove; 29. a slider; 30. a limiting block; 31. a spring; 32. a third limiting groove; 33. pulling the block; 34. and (3) supporting the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4 and 5, a bidirectional ratchet-pawl connection assembly for a wrench, comprising: the bolt wrench comprises a fixed plate 1, a first rotating hole 2 is formed in the top surface of the fixed plate 1, a rotating disc 3 is movably sleeved on the inner circle wall surface of the first rotating hole 2, a bidirectional wrench assembly is arranged on the outer circle wall surface of the rotating disc 3 and used for bidirectionally wrenching a bolt, the bidirectional wrench assembly comprises a plurality of first tooth sockets 4, the plurality of first tooth sockets 4 are arranged on the outer circle wall surface of the rotating disc 3, a plurality of second tooth sockets 5 are arranged on the outer circle wall surface of the rotating disc 3, a first limiting groove 6 is arranged on the inner circle wall surface of the first rotating hole 2, an arc-shaped plate 14 is arranged inside the first limiting groove 6, a first fixing hole 7 is formed in the top surface of the fixed plate 1, a second fixing hole 9 is formed in the top surface of the arc-shaped plate 14, a rotating column 8 is fixedly sleeved on the inner circle wall surface of the second fixing hole 9, two first limiting holes 15 are formed in the outer circle wall surface of the arc-shaped plate 14, the rotating column 8 is movably sleeved with the inner circle wall surface of the first fixing hole 7, the top surface of the rotating column 8 is fixedly provided with a flexible plate 10, the top surface of the fixed plate 1 is provided with two threaded holes 13, the top surface of the flexible plate 10 is provided with a third fixed hole 11, the inner part of the third fixed hole 11 is movably sleeved with a first bolt 12, the first bolt 12 is in threaded connection with the threaded holes 13, the inner circle wall surface of the first rotating hole 2 is provided with two supporting grooves 16, the inner circle wall surface of the supporting groove 16 is movably sleeved with a limiting ring 17, the limiting ring 17 is fixedly installed with the outer circle wall surface of the rotating disc 3, the arc-shaped plate 14 is movably sleeved with the inner part of the first tooth socket 4, the rotating disc 3, the fixed plate 1, the first rotating hole 2 and the like are the existing ratchet wrench, for convenience of expression, the ratchet wrench is described in a split mode, through the supporting grooves 16, the limiting ring 17 is arranged in the supporting grooves 16, and further limits the limiting ring 17 and the rotating disc 3 from being separated from the inner part of the first rotating hole 2, when the bolt needs to be screwed, the inside of the rotating disc 3 is sleeved with the bolt or the nut, then the fixed plate 1 is pulled to drive the rotating disc 3 and the bolt to rotate, at the moment, one side of the arc-shaped plate 14 is clamped inside the first tooth socket 4, the left side inside the first tooth socket 4 is a surface perpendicular to the circle center of the rotating disc 3, the right side is an inclined surface, the second tooth socket 5 is opposite, namely the first tooth socket 4 and the second tooth socket 5 are of a structure similar to a ratchet wheel, and further one side of the arc-shaped plate 14 is of a structure similar to a pawl, so that when the fixed plate 1 is pulled forcibly due to the fact that the arc-shaped plate 14 abuts against the inside of the first tooth socket 4, the rotation of the rotating disc 3 inside the first rotating hole 2 is limited by the arc-shaped plate 14, make rolling disc 3 can carry out afterburning rotation to the bolt, a one-way intermittent motion mechanism of constituteing by rolling disc 3 and arc 14 has been formed, arc 14 and first tooth's socket 4 have constituteed "ratchet", and when needing to carry out another direction to the bolt and pull, manual inside of screwing first bolt 12 out screw hole 13, it drives arc 14 and rotates in the inside of first spacing groove 6 to rotate toughness board 10, screw into the inside of another screw hole 13 with first bolt 12, make the opposite side of arc 14 cup joint with the inside of second tooth's socket 5 mutually, and then trade the direction and prevent that rolling disc 3 from taking place "reversal", thereby reached the effect of carrying out two-way restriction to rolling disc 3, thereby can two-way pull the bolt.

Referring to fig. 1, 2, 3, 4, 5 and 6, a rotation groove 18 is formed on the top surface of a fixing plate 1, a T-shaped block 22 is movably sleeved inside the rotation groove 18, a second rotation hole 23 is formed on one side of the T-shaped block 22, a connection hole 19 is formed on one side of the fixing plate 1, a second bolt 20 is movably sleeved on the inner circular wall surface of the connection hole 19, the second bolt 20 is movably sleeved with the second rotation hole 23, a threaded ring 21 is connected on the outer circular wall surface of the second bolt 20 in a threaded manner, a moving plate 24 is fixedly installed on one side of the T-shaped block 22, a support tube 34 is movably sleeved outside the moving plate 24, a second limit hole 27 is formed on the top surface of the support tube 34, a limit plate 25 is movably sleeved inside the second limit hole 27, the limit plate 25 is fixedly installed with the moving plate 24, a plurality of second limit grooves 26 are formed on the top surface of the limit plate 25, a sliding groove 28 is formed on the top surface of the support tube 34, a sliding block 29 is movably sleeved in the sliding groove 28, the sliding block 29 is movably sleeved with the inner part of the second limiting groove 26, third limiting grooves 32 are respectively arranged on two inner sides of the sliding groove 28, limiting blocks 30 are movably sleeved in the third limiting grooves 32, the limiting blocks 30 are fixedly installed with one sides of the sliding block 29, a spring 31 is fixedly installed on one side of the sliding block 29, one end of the spring 31 is fixedly installed on one inner side of the sliding groove 28, a pulling block 33 is fixedly installed on the top surface of the sliding block 29, the T-shaped block 22 can be taken up through the arranged T-shaped block 22 to enable the T-shaped block 22 to rotate around the second bolt 20, the sliding block 29 is inserted into the second limiting groove 26 through the arranged second limiting groove 26 to further limit the movement of the limiting plate 25 in the second limiting hole 27, and the limiting blocks 30 are arranged in the third limiting groove 32, the sliding block 29 cannot be separated from the inside of the rotating groove 18, and the sliding block 33 is pulled by hand pushing through the pulling block 33, so that the sliding block 29 and the second limiting hole 27 are driven to move away from the inside of the second limiting groove 26, the limitation of the arc-shaped plate 14 is removed, and the moving plate 24 can be moved inside the supporting pipe 34.

The working principle is as follows: referring to fig. 1-6, through the support groove 16, the limit ring 17 is disposed inside the support groove 16 to limit the limit ring 17 and the rotating disc 3 from being separated from the inside of the first rotating hole 2, when the bolt needs to be screwed, the inside of the rotating disc 3 is sleeved with the bolt or the nut, then the fixed plate 1 is pulled to drive the rotating disc 3 and the bolt to rotate, at this time, one side of the arc-shaped plate 14 is clamped inside the first tooth socket 4, the left side of the inside of the first tooth socket 4 is a plane perpendicular to the center of the rotating disc 3, the right side is an inclined plane, and the second tooth socket 5 is opposite, that is, the first tooth socket 4 and the second tooth socket 5 are structures similar to a "ratchet", and then one side of the arc-shaped plate 14 is also a structure similar to a "pawl", so that when the arc-shaped plate 14 abuts against the inside of the first tooth socket 4 to forcibly pull the fixed plate 1, the arc-shaped plate 14 limits the rotation of the rotating disc 3 from rotating inside the first rotating hole 2, so that the rotating disc 3 can apply force to the bolt, thereby forming a bidirectional rotation effect that the rotating disc 3 and the first tooth socket 14 and the second tooth socket 14 can drive the bolt 14 to rotate in a bidirectional screw hole 12, thereby preventing the first tooth socket of the second tooth socket mechanism from moving, thereby preventing the first tooth socket of the second tooth socket 14 from moving, and the first tooth socket 14, and the bolt from moving mechanism from moving, and the second tooth socket 12, thereby the first tooth socket mechanism 12, the second tooth socket mechanism, and the rotating disc 3, and the second tooth socket mechanism 12, the bolt, and the second tooth socket mechanism can prevent the bolt from moving mechanism from moving, and the bidirectional screw hole 12, and the bolt, and the bidirectional screw hole 12, thereby the bidirectional screw hole 12, and the bidirectional screw hole from moving mechanism from moving.

Through the T-shaped block 22, the T-shaped block 22 can be taken up to rotate around the second bolt 20, through the second limiting groove 26, the sliding block 29 is inserted into the second limiting groove 26 to further limit the movement of the limiting plate 25 in the second limiting hole 27, through the third limiting groove 32, the limiting block 30 is arranged in the third limiting groove 32, the sliding block 29 cannot be separated from the inside of the rotating groove 18, through the pulling block 33, the pulling block 33 is pulled by hand pushing to drive the sliding block 29 and the second limiting hole 27 to move away from the inside of the second limiting groove 26, so that the limitation on the arc-shaped plate 14 is removed, and the moving plate 24 can be moved in the supporting pipe 34.

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 (7)

1. A bi-directional ratchet-pawl connection assembly for a wrench, comprising:

the top surface of the fixed plate (1) is provided with a first rotating hole (2), and the inner circle wall surface of the first rotating hole (2) is movably sleeved with a rotating disc (3);

the subassembly is pulled in two-way, the subassembly setting is pulled in two-way the excircle wall of rolling disc (3) for can two-way pull the bolt, the subassembly is pulled in two-way includes: a plurality of first tooth sockets (4), a plurality of first tooth sockets (4) are arranged on the outer circle wall surface of the rotating disc (3), a plurality of second tooth sockets (5) are arranged on the outer circle wall surface of the rotating disc (3), a first limit groove (6) is arranged on the inner circle wall surface of the first rotating hole (2), an arc-shaped plate (14) is arranged inside the first limit groove (6), a first fixing hole (7) is arranged on the top surface of the fixing plate (1), a second fixing hole (9) is arranged on the top surface of the arc-shaped plate (14), a rotating column (8) is fixedly sleeved on the inner circle wall surface of the second fixing hole (9), two first limit holes (15) are arranged on the outer circle wall surface of the arc-shaped plate (14), the rotating column (8) is movably sleeved on the inner circle wall surface of the first fixing hole (7), a toughness plate (10) is fixedly arranged on the top surface of the rotating column (8), two threaded holes (13) are arranged on the top surface of the fixing plate (1), a third fixing hole (11) is arranged on the top surface of the toughness plate (10), a first movable sleeved on the inner circle wall surface of the third fixing hole (11), and a bolt (12) is connected with a first threaded hole (16), the inner circle wall surface of the support groove (16) is movably sleeved with a limiting ring (17), the limiting ring (17) is fixedly mounted with the outer circle wall surface of the rotating disc (3), and the arc-shaped plate (14) is movably sleeved with the inner part of the first tooth groove (4).

2. The bi-directional ratchet-pawl connection assembly for a wrench of claim 1, wherein: the top surface of fixed plate (1) has been seted up and has been rotated groove (18), the inside activity in rotation groove (18) has cup jointed T-shaped piece (22), second rotation hole (23) have been seted up to one side of T-shaped piece (22), connecting hole (19) have been seted up to one side of fixed plate (1), second bolt (20) have been cup jointed in the activity of the interior circle wall of connecting hole (19), second bolt (20) with second rotation hole (23) activity cup joints, the excircle wall threaded connection of second bolt (20) has threaded ring (21).

3. The bi-directional ratchet-pawl connection assembly for a wrench of claim 2, wherein: a moving plate (24) is fixedly mounted on one side of the T-shaped block (22), and a supporting tube (34) is movably sleeved outside the moving plate (24).

4. The bi-directional ratchet-pawl connection assembly for a wrench as claimed in claim 3, wherein: spacing hole of second (27) has been seted up to the top surface of stay tube (34), limiting plate (25) have been cup jointed in the inside activity in spacing hole of second (27), limiting plate (25) with movable plate (24) fixed mounting, a plurality of second spacing groove (26) have been seted up to the top surface of limiting plate (25), sliding tray (28) have been seted up to the top surface of stay tube (34), sliding block (29) have been cup jointed in the inside activity of sliding tray (28), sliding block (29) with the inside activity of second spacing groove (26) is cup jointed.

5. The bi-directional ratchet-pawl connection assembly for a wrench of claim 4, wherein: third spacing groove (32) have been seted up respectively to the inside both sides of sliding tray (28), stopper (30) have been cup jointed in the inside activity of third spacing groove (32), stopper (30) with one side fixed mounting of sliding block (29).

6. The bi-directional ratchet-pawl connection assembly for a wrench of claim 5, wherein: one side fixed mounting of sliding block (29) has spring (31), the one end of spring (31) with the inside one side fixed mounting of sliding tray (28).

7. The bi-directional ratchet-pawl connection assembly for a wrench of claim 6, wherein: and a pulling block (33) is fixedly arranged on the top surface of the sliding block (29).

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