CN215358175U - Screw tap wrench - Google Patents

Abstract

The utility model discloses a tap wrench, which comprises an installation block, a first clamping plate, a second clamping plate and a first handle. First clamp plate fixed mounting is on the first cell wall of standing groove in this scheme, second clamp plate movable mounting is on the second cell wall of standing groove, when the tap size of putting into the standing groove changes, slide in the slide opening through drive assembly drive movable rod, and then make the movable rod drive the motion of second clamp plate, adjust the distance between second clamp plate and the first clamp plate, thereby realize pressing from both sides tightly not unidimensional tap, make the tap spanner be applicable to not unidimensional tapping, improve the commonality of tap spanner.

Description

Screw tap wrench

Technical Field

The utility model relates to the technical field of wrenches, in particular to a tap wrench.

Background

The tap wrench is a tool for holding a hand tap during tapping, and can improve tapping efficiency of the tap.

Tap spanner among the prior art can only press from both sides tightly the tap of a size, when treating that the tight tap size of clamp changes, needs to change tap spanner, leads to tap spanner's commonality to reduce.

Therefore, how to improve the versatility of the tap wrench becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a tap wrench to improve the versatility of the tap wrench.

In order to achieve the purpose, the utility model provides the following technical scheme:

a tap wrench comprises an installation block, a first clamping plate, a second clamping plate and a first handle, wherein a placement groove for installing a tap is formed in the installation block;

the first clamping plate is arranged on the first groove wall of the placing groove and is parallel to the first groove wall,

the second clamping plate is arranged on a second groove wall of the placing groove and is parallel to the first clamping plate, and the first clamping plate and the second clamping plate are matched to clamp the screw tap;

the first handle is connected with the mounting block and is perpendicular to the second clamping plate, a sliding hole is formed in the first handle and is formed in the length extending direction of the first handle, the sliding hole is communicated with the placing groove, a movable rod is arranged in the sliding hole, one end of the movable rod is connected with the second clamping plate, the other end of the movable rod is connected with a driving assembly, and the driving assembly is used for driving the movable rod to slide along the sliding hole.

Preferably, in the tap wrench, a first mounting hole is provided in the first handle, the first mounting hole is communicated with the sliding hole, the driving component is mounted in the first mounting hole,

the drive assembly includes:

the threaded pipe is installed in the first installation hole and can slide along the first installation hole, one end of the threaded pipe is connected with the movable rod, a limiting block is arranged on the periphery of the threaded pipe, and a limiting groove matched with the limiting block is formed in the hole wall of the first installation hole;

the threaded rod is in threaded fit with the threaded pipe, and the threaded rod rotates to push the threaded pipe to slide in the first mounting hole;

the first conical gear is connected with one end, far away from the movable rod, of the threaded rod;

a second bevel gear meshed with the first bevel gear, the second bevel gear being located in the first mounting hole;

the turntable is positioned outside the first mounting hole, a second mounting hole communicated with the first mounting hole is formed in the first handle, a connecting shaft is arranged in the second mounting hole, one end of the connecting shaft is connected with the turntable, and the other end of the connecting shaft is connected with the second bevel gear.

Preferably, in the above tap wrench, a locking assembly is further included for preventing the connecting shaft from rotating,

the locking assembly includes:

the sleeve is sleeved on the connecting shaft and fixedly connected with the first handle, and a threaded hole is formed in the wall of the sleeve;

and the locking screw is positioned in the threaded hole and is in threaded fit with the threaded hole, and the locking screw can abut against the connecting shaft.

Preferably, in the above tap wrench, the driving assembly includes:

the threaded pipe is connected with the first handle and communicated with the sliding hole;

the threaded rod is installed in the threaded pipe and in threaded fit with the threaded pipe, one end of the threaded rod is connected with the movable rod in a rotating mode, and the other end of the threaded rod is located outside the threaded pipe.

Preferably, in the tap wrench, the number of the first handles is two, one of the first handles is connected to the mounting block and located on one side of the mounting block where the second clamping plate is disposed, and the other of the first handles is connected to the mounting block and located on one side of the mounting block where the first clamping plate is disposed.

Preferably, in the above tap wrench, a second handle is further included, the second handle is connected to the mounting block, and the second handle and the first handle are respectively located on two sides of the mounting block.

Preferably, in the above tap wrench, further comprising a third handle connectable to the first handle and a fourth handle connectable to the second handle,

the length extension direction of the third handle is consistent with the length extension direction of the first handle,

the length extension direction of the fourth handle is consistent with the length extension direction of the second handle.

Preferably, in the tap wrench, a first groove is formed at one end of the first handle connected to the third handle, a first threaded hole perpendicular to the length extension direction of the first handle is formed in the first handle, the first threaded hole penetrates through the first groove,

the third handle is provided with a first boss matched with the first groove, the first boss can extend into the first groove, the first boss is provided with a second threaded hole corresponding to the first threaded hole, and the first handle and the third handle are connected through a first bolt matched with the first threaded hole and the second threaded hole;

a second groove is formed in one end, connected with the fourth handle, of the second handle, a third threaded hole perpendicular to the length extension direction of the first handle is formed in the first handle, the third threaded hole penetrates through the second groove,

and a second boss matched with the second groove is formed on the fourth handle, the second boss can extend into the second groove, a fourth threaded hole corresponding to the third threaded hole is formed in the second boss, and the second handle and the fourth handle are connected through a second bolt matched with the third threaded hole and the fourth threaded hole.

Preferably, in the tap wrench, first positioning blocks are arranged on two sides of the first boss in the length extending direction, and a first positioning groove matched with the first positioning block is arranged on the groove wall of the first groove;

and second positioning blocks are arranged on two sides of the second boss in the length extension direction, and second positioning grooves matched with the second positioning blocks are arranged on the groove walls of the second grooves.

According to the technical scheme, the tap wrench provided by the utility model comprises the mounting block, the first clamping plate, the second clamping plate and the first handle. First clamp plate fixed mounting is on the first cell wall of standing groove in this scheme, second clamp plate movable mounting is on the second cell wall of standing groove, when the tap size of putting into the standing groove changes, slide in the slide opening through drive assembly drive movable rod, and then make the movable rod drive the motion of second clamp plate, adjust the distance between second clamp plate and the first clamp plate, thereby realize pressing from both sides tightly not unidimensional tap, make the tap spanner be applicable to not unidimensional tapping, improve the commonality of tap spanner.

Drawings

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

Fig. 1 is a schematic structural view of a tap wrench according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural diagram of a connection position of the first handle and the third handle according to an embodiment of the present invention.

Wherein,

1. the mounting block, 2, a first clamping plate, 3, a second clamping plate, 4, a first handle, 5, a movable rod, 6, a driving component, 61, a first threaded pipe, 62, a first threaded rod, 63, a first bevel gear, 64, a second bevel gear, 65, a turntable, 7, a locking component, 71, a sleeve, 72, a locking screw, 8, a third handle, 9, a fourth handle, 10 and a first positioning block.

Detailed Description

The utility model discloses a tap wrench, aiming at improving the universality of the tap wrench.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-3.

The utility model discloses a tap wrench, which comprises an installation block 1, a first clamping plate 2, a second clamping plate 3 and a first handle 4.

As shown in fig. 1, a mounting block 1 is provided with a placing groove for mounting a screw tap, one end of the placing groove is an open end, the open end is a notch of the placing groove, the other end of the placing groove is a closed end, the closed end is a groove bottom of the placing groove, and the screw tap is placed into the placing groove from the notch of the placing groove;

the first clamping plate 2 is arranged on a first groove wall of the placing groove, the first groove wall is perpendicular to the groove opening and the groove bottom, and the first clamping plate 2 is parallel to the first groove wall;

the second clamping plate 3 is arranged on a second groove wall of the placing groove, the second groove wall is parallel to the first groove wall, correspondingly, the second groove wall is also vertical to the groove opening and the groove bottom, and the second clamping plate 3 is parallel to the first clamping plate 2;

the first handle 4 is connected with the mounting block 1 and is connected with the outer wall of the mounting block 1 close to the second groove wall, the first handle 4 is perpendicular to the side wall of the mounting block 1, correspondingly, the first handle 4 is also perpendicular to the second groove wall, or the first handle 4 is perpendicular to the second clamping plate 3.

The first handle 4 is internally provided with a sliding hole arranged along the length extension direction of the first handle 4, and the side wall of the mounting block 1 for mounting the first handle 4 is provided with a through hole communicated with the sliding hole, namely, the sliding hole is communicated with the placing groove through the through hole. A movable rod 5 is arranged in the sliding hole, and the movable rod 5 can slide in the sliding hole along the length extending direction of the sliding hole.

One end of the movable rod 5 penetrates through the through hole to be connected with the second clamping plate 3, the other end of the movable rod 5 is located in the sliding hole and connected with the driving assembly 6, and the driving assembly 6 is used for driving the movable rod 5 to slide along the sliding hole.

In this scheme, 2 fixed mounting of first clamp plate are on the first cell wall of standing groove, 3 movable mounting of second clamp plate are on the second cell wall of standing groove, when putting into the tap size of standing groove and changing, slide in the slide opening through drive assembly 6 drive movable rod 5, and then make movable rod 5 drive the motion of second clamp plate 3, adjust the distance between second clamp plate 3 and the first clamp plate 2, thereby realize pressing from both sides tightly the not clamp of unidimensional tap, make the tap spanner be applicable to not unidimensional tapping, improve the commonality of tap spanner.

The driving component 6 has a plurality of installation positions, specifically, the driving component 6 can be installed in the first handle 4, and the driving component 6 can also be installed outside the first handle 4; the drive assembly 6 also has various implementations, and the relative positions of the drive assembly 6 and the first handle 4 are specifically selected according to the implementation of the drive assembly 6.

In one embodiment of the present disclosure, the driving component 6 is installed in the first handle 4, and a first installation hole is formed in the first handle 4, the first installation hole is communicated with the sliding hole, and the driving component 6 is installed in the first installation hole.

Specifically, the drive assembly 6 includes a first threaded tube 61, a first threaded rod 62, a first bevel gear 63, a second bevel gear 64, and a dial 65.

The first threaded pipe 61 is of a hollow structure, internal threads are arranged on the inner wall of the first threaded pipe 61, the first threaded pipe 61 is installed in the first installation hole and is in clearance fit with the first installation hole, so that the first threaded pipe 61 can slide in the first installation hole along the length extension direction of the first installation hole, and one end of the first threaded pipe 61 is fixedly connected with the movable rod 5;

first threaded rod 62 is solid construction or hollow structure, and the outside of first threaded rod 62 is provided with the external screw thread, the external screw thread of first threaded rod 62 and the interior screw-thread fit of first screwed pipe 61, and first threaded rod 62 rotates, promotes first screwed pipe 61 at first mounting hole internal motion, and then first screwed pipe 61 promotes the motion of movable rod 5, and movable rod 5 drives the motion of second pinch-off blades 3, adjusts the distance between second pinch-off blades 3 and the first pinch-off blades 2.

Rotation of the first threaded rod 62 is achieved by the cooperation of a first bevel gear 63, a second bevel gear 64 and a dial 65. Specifically, the turntable 65 is installed on the first handle 4, a second mounting hole communicated with the first mounting hole is formed in the first handle 4, a connecting shaft is arranged in the second mounting hole, one end of the connecting shaft is fixedly connected with the turntable 65, the second end of the connecting shaft is fixedly connected with the second bevel gear 64, the second bevel gear 64 is installed in the first mounting hole, the first bevel gear 63 is connected with one end, far away from the movable rod 5, of the first threaded rod 62, and the second bevel gear 64 is meshed with the first bevel gear 63.

During operation, the rotating disc 65 is rotated, the rotating disc 65 drives the second bevel gear 64 to rotate through the connecting shaft, the second bevel gear 64 drives the first bevel gear 63 to rotate, the first bevel gear 63 drives the first threaded rod 62 to rotate, the first threaded pipe 61 in threaded fit with the first threaded rod 62 moves along the length extending direction of the first mounting hole, the movable rod 5 moves in the sliding hole, and the distance between the second clamping plate 3 and the first clamping plate 2 is adjusted.

The driving assembly 6 disclosed by the scheme realizes the position adjustment of the second clamping plate 3 through the matching of the first conical gear 63 and the second conical gear 64 and the matching of the first threaded pipe 61 and the first threaded rod 62, and is convenient to adjust and high in precision.

In order to further improve the reliability of the work of the driving assembly 6, the periphery of the first threaded pipe 61 is provided with a limiting block, the hole wall of the first mounting hole is provided with a limiting groove matched with the limiting block, and the first threaded pipe 61 cannot be driven to rotate along with the first threaded rod 62 when the first threaded rod 62 rotates.

Preferably, the stopper is integrally formed with the first threaded pipe 61, or the stopper is connected to the first threaded pipe 61 by welding.

For the stability of further screw tap spanner work, the screw tap spanner of this scheme disclosure still includes locking subassembly 7, as shown in fig. 2, locking subassembly 7 is used for after second clamp plate 3 and first clamp plate 2 cooperation press from both sides tight screw tap, prevents the connecting axle and rotates.

In a particular embodiment of the present solution, the locking assembly 7 comprises a sleeve 71 and a locking screw 72.

The sleeve 71 is sleeved on the part, located outside the first handle 4, of the connecting shaft and is fixedly connected with the first handle 4, a threaded hole matched with the locking screw 72 is formed in the barrel wall of the sleeve 71, after the locking screw 72 is matched with the threaded hole of the sleeve 71, the locking screw 72 continues to be screwed in the threaded hole until the locking screw 72 abuts against the connecting shaft, at the moment, the connecting shaft can be prevented from continuing to rotate, and the clamping effect of a tapping process on a tap is guaranteed.

In another embodiment of the present solution, drive assembly 6 comprises a second threaded tube 61 and a second threaded rod 62, in which embodiment drive assembly 6 is mounted outside first handle 4.

The second threaded pipe 61 is connected with the first handle 4, the second threaded pipe 61 is communicated with the sliding hole, the second threaded rod 62 is installed in the second threaded pipe 61 and is in threaded fit with the second threaded pipe 61, one end of the second threaded rod 62 is rotatably connected with the movable rod 5, and the other end of the second threaded rod 62 is located outside the second threaded pipe 61.

In operation, the second threaded rod 62 is rotated, and the second threaded rod 62 moves along the length extension direction of the second threaded pipe 61, so as to push the movable rod 5 to move along the slide hole.

In this scheme, the second threaded rod 62 is required to be rotatably connected to the movable rod 5, so that the second threaded rod 62 cannot drive the movable rod 5 to rotate when rotating.

In a specific embodiment of the present disclosure, the number of the first handles 4 is two, one of the first handles 4 is connected to the mounting block 1 and located on one side of the mounting block 1 where the second clamping plate 3 is disposed, and the other of the first handles 4 is connected to the mounting block 1 and located on one side of the mounting block 1 where the first clamping plate 2 is disposed. In this embodiment, a through hole communicated with the placing groove is formed on one side of the mounting block 1 connected with the first clamping plate 2.

In the above embodiment, the first clamping plate 2 and the second clamping plate 3 are both movable clamping plates, and when the size of the tap changes, not only the position of the first clamping plate 2 but also the position of the second clamping plate 3 can be adjusted, and also the positions of the first clamping plate 2 and the second clamping plate 3 can be adjusted at the same time.

In a specific embodiment of the present disclosure, the tap wrench further includes a second handle, the second handle is connected to the mounting block 1 and located on a side of the mounting block 1 where the first clamping plate 2 is disposed, and the first handle 4 is connected to the mounting block 1 and located on a side of the mounting block 1 where the second clamping plate 3 is disposed. In this embodiment, only the position of the second clamping plate 3 can be adjusted.

In order to reduce the taking and use of the tap wrench, the tap wrench disclosed by the scheme further comprises a third handle 8 and a fourth handle 9, the third handle 8 can be connected with the first handle 4, the fourth handle 9 can be connected with the second handle, the length extending direction of the third handle 8 is consistent with the length extending direction of the first handle 4, and the length extending direction of the fourth handle 9 is consistent with the length extending direction of the second handle.

In one embodiment of the solution, the third handle 8 is plug-connected to the first handle 4 and the plug-in position is provided with a bolt for further connection, and the fourth handle 9 is plug-connected to the second handle and the plug-in position is provided with a bolt.

Specifically, a first groove is formed in one end, connected with a third handle 8, of a first handle 4, a first boss matched with the first groove is formed in the third handle 8, the first boss can stretch into the first groove, the first handle 4 and the third handle 8 are connected in an inserting mode through the first groove and the first boss, meanwhile, a first threaded hole is formed in the first handle 4, the first threaded hole is perpendicular to the length extending direction of the first handle 4, the first threaded hole penetrates through the first groove, a second threaded hole corresponding to the position of the first threaded hole is formed in the first boss, and the first handle 4 and the third handle 8 are connected through a first bolt matched with the first threaded hole and the second threaded hole.

Specifically, the second recess has been seted up to the one end that second handle and fourth handle 9 are connected, set up on the fourth handle 9 with second recess complex second boss, the second boss can stretch into in the second recess, second handle and fourth handle 9 pass through second recess and second boss plug-in connection, and simultaneously, set up third screw hole on the second handle, the length extending direction of third screw hole perpendicular to second handle, and the third screw hole runs through the second recess, set up the fourth screw hole that corresponds with third screw hole position on the second boss, second handle and fourth handle 9 are through the second bolted connection with third screw hole and fourth screw hole complex.

In the scheme, the cross sections of the first groove, the first boss, the second groove and the second boss can be in a cubic shape or a cylindrical shape.

In first recess, first boss, the cross-section of second recess and second boss is columniform embodiment, the correspondence of first screw hole and second screw hole, the correspondence of third screw hole and fourth screw hole can scurry the young degree of difficulty, in order to reduce above-mentioned degree of difficulty, as shown in fig. 3, this scheme sets up first locating piece 10 in the length extending direction's of first boss both sides, set up on the cell wall of first recess with first locating piece 10 complex first constant head tank, equally, the length extending direction's of second boss both sides set up the second locating piece, set up on the cell wall of second recess with second locating piece complex second constant head tank.

It should be noted here that the longitudinal extension directions of the first boss and the second boss are respectively identical to the longitudinal extension directions of the third handle 8 and the fourth handle 9.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A tap wrench is characterized by comprising an installation block (1), a first clamping plate (2), a second clamping plate (3) and a first handle (4),

a placing groove for installing a screw tap is formed in the mounting block (1);

the first clamping plate (2) is arranged on the first groove wall of the placing groove and is parallel to the first groove wall,

the second clamping plate (3) is arranged on a second groove wall of the placing groove and is parallel to the first clamping plate (2), and the first clamping plate (2) and the second clamping plate (3) are matched to clamp the screw tap;

the first in command (4) with the installation piece (1) be connected and with second clamp plate (3) are perpendicular, be provided with in the first in command (4) along the slide opening that the length extending direction of first in command (4) set up, the slide opening with the standing groove intercommunication, be provided with movable rod (5) in the slide opening, the one end of movable rod (5) with second clamp plate (3) are connected, the other end and the drive assembly (6) of movable rod (5) are connected, drive assembly (6) are used for the drive movable rod (5) are followed the slide opening slides.

2. Tap wrench according to claim 1, characterised in that a first mounting hole is provided in the first handle (4), said first mounting hole communicating with the slide hole, said first mounting hole having the drive member (6) mounted therein,

the drive assembly (6) comprises:

the first threaded pipe (61) is mounted in the first mounting hole and can slide along the first mounting hole, one end of the first threaded pipe (61) is connected with the movable rod (5), a limiting block is arranged on the periphery of the first threaded pipe (61), and a limiting groove matched with the limiting block is formed in the hole wall of the first mounting hole;

a first threaded rod (62), wherein the first threaded rod (62) is in threaded fit with the first threaded pipe (61), and the first threaded rod (62) is rotated to push the first threaded pipe (61) to slide in the first mounting hole;

a first conical gear (63), wherein the first conical gear (63) is connected with one end of the first threaded rod (62) far away from the movable rod (5);

a second bevel gear (64), said second bevel gear (64) meshing with said first bevel gear (63), said second bevel gear (64) being located within said first mounting hole;

the turntable (65) is positioned outside the first mounting hole, a second mounting hole communicated with the first mounting hole is formed in the first handle (4), a connecting shaft is arranged in the second mounting hole, one end of the connecting shaft is connected with the turntable (65), and the other end of the connecting shaft is connected with the second bevel gear (64).

3. Tap wrench according to claim 2, further comprising a locking assembly (7) for preventing rotation of the coupling shaft,

the locking assembly (7) comprises:

the sleeve (71) is sleeved on the connecting shaft and fixedly connected with the first handle (4), and a threaded hole is formed in the wall of the sleeve (71);

and the locking screw (72) is positioned in the threaded hole and is in threaded fit with the threaded hole, and the locking screw (72) can abut against the connecting shaft.

4. Tap wrench according to claim 1, characterized in that said driving assembly (6) comprises:

the second threaded pipe is connected with the first handle (4) and communicated with the sliding hole;

the second threaded rod is installed in the second threaded pipe and in threaded fit with the second threaded pipe, one end of the second threaded rod is connected with the movable rod (5) in a rotating mode, and the other end of the second threaded rod is located outside the second threaded pipe.

5. Tap wrench according to claim 1, characterised in that the number of the first handles (4) is two, wherein one of the first handles (4) is connected to the mounting block (1) on the side of the mounting block (1) where the second clamping plate (3) is arranged, and the other of the first handles (4) is connected to the mounting block (1) on the side of the mounting block (1) where the first clamping plate (2) is arranged.

6. Tap wrench according to claim 1, characterised in that it further comprises a second handle connected to the mounting block (1), the second handle and the first handle (4) being located on either side of the mounting block (1).

7. Tap wrench according to claim 6, further comprising a third handle (8) connectable with the first handle (4) and a fourth handle (9) connectable with the second handle,

the length extension direction of the third handle (8) is consistent with the length extension direction of the first handle (4),

the length extension direction of the fourth handle (9) is consistent with the length extension direction of the second handle.

8. The tap wrench as claimed in claim 7, wherein a first recess is formed at one end of the first handle (4) connected to the third handle (8), a first threaded hole is formed in the first handle (4) and perpendicular to the length extension direction of the first handle (4), and the first threaded hole penetrates through the first recess,

a first boss matched with the first groove is formed in the third handle (8), the first boss can extend into the first groove, a second threaded hole corresponding to the first threaded hole is formed in the first boss, and the first handle (4) and the third handle (8) are connected through a first bolt matched with the first threaded hole and the second threaded hole;

a second groove is formed in one end, connected with the fourth handle (9), of the second handle, a third threaded hole perpendicular to the length extension direction of the first handle (4) is formed in the first handle (4), and the third threaded hole penetrates through the second groove,

and a second boss matched with the second groove is formed in the fourth handle (9), the second boss can extend into the second groove, a fourth threaded hole corresponding to the third threaded hole is formed in the second boss, and the second handle and the fourth handle (9) are connected through a second bolt matched with the third threaded hole and the fourth threaded hole.

9. The tap wrench as claimed in claim 8, wherein first positioning blocks (10) are disposed on two sides of the first boss in the length extending direction, and first positioning grooves matched with the first positioning blocks (10) are disposed on the groove walls of the first groove;

and second positioning blocks are arranged on two sides of the second boss in the length extension direction, and second positioning grooves matched with the second positioning blocks are arranged on the groove walls of the second grooves.

Images