CN218051159U

CN218051159U - External thread repairing device

Info

Publication number: CN218051159U
Application number: CN202222181749.3U
Authority: CN
Inventors: 王明
Original assignee: Hangzhou Yonggong Tools Co ltd
Current assignee: Hangzhou Yonggong Tools Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-16
Anticipated expiration: 2032-08-18

Abstract

The utility model belongs to the technical field of the external screw thread is restoreed, specifically be an external screw thread restorer, include: the device comprises an L-shaped hollow shell, wherein an adjusting space is formed at the upper right side in the L-shaped hollow shell, a supporting space is formed at the lower left side in the L-shaped hollow shell, and the lower surface of the adjusting space and the right surface of the supporting space are both open; the screw rod is installed in the adjusting space in a rotating mode, a sliding block is connected to the outer portion of the screw rod through threads, an installation frame extending to the lower side of the adjusting space is arranged on the lower side of the sliding block, and a tapping cutter is installed on the installation frame. The external thread can be repaired by the component with the damaged external thread, so that the utilization rate of the component is improved, and a large number of machining procedures are not needed; through an adjustable mode, the part can be conveniently placed, the external threads of parts with different sizes can be repaired, and the application range is wide; the design that adopts mounting bracket and tapping cutter components of a whole that can function independently, through the change to tapping cutter, can be applicable to the restoration of different screw threads.

Description

External thread repairing device

Technical Field

The utility model relates to an external screw thread repair technical field specifically is an external screw thread restorer.

Background

The thread means a continuous convex portion having a specific section formed in a spiral shape on the surface of a cylindrical or conical parent body. The thread is divided into a cylindrical thread and a conical thread according to the shape of a mother body; the thread is divided into external thread and internal thread according to the position of the parent body, and is divided into triangular thread, rectangular thread, trapezoidal thread, sawtooth thread and other special-shaped threads according to the section shape (tooth shape).

The external threads are arranged on the outer portion and are generally called as external threads, impact can be caused during use, the external threads are easy to smash and flatten, connection between the threads is difficult, at the moment, a component with the external threads needs to be replaced, and the operation is relatively wasteful on the component.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external screw thread restorer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an externally threaded rehabilitation device comprising:

the device comprises an L-shaped hollow shell, wherein an adjusting space is formed at the upper right side in the L-shaped hollow shell, a supporting space is formed at the lower left side in the L-shaped hollow shell, and the lower surface of the adjusting space and the right surface of the supporting space are both open;

the tapping machine comprises an adjusting space, a tapping cutter, a screw rod, a sliding block, an installation frame and a tapping cutter, wherein the adjusting space is internally and rotatably provided with the screw rod, the outer part of the screw rod is connected with the sliding block through threads, the lower side of the sliding block is provided with the installation frame extending to the lower side of the adjusting space, and the tapping cutter is installed on the installation frame;

the upper side and the lower side in the supporting space are provided with supporting bearings through rotating shafts, the right sides of the supporting bearings extend to the outside of the supporting space, and the two supporting bearings are symmetrically arranged on the upper side and the lower side of the tapping cutter.

Further, the left end of the screw rod extends to the left side of the L-shaped hollow shell, and the left end of the screw rod is connected with a knob with friction grains arranged on the surface.

Further, the mounting bracket is inboard seted up the mounting groove, tapping cutter inserts in the mounting groove, tapping cutter includes the installation supporting shoe with the mounting groove shape adaptation and sets up the tapping sword at the installation supporting shoe side, the tapping sword is located the outside of mounting groove and towards support bearing, the connection screw has been seted up on the installation supporting shoe, the mounting groove is connected through set screw with connecting between the screw.

Further, the upper surface and the preceding back wall and the regulation space inner wall sliding connection of slider, the thickness of slider is less than the thickness of mounting bracket, the slider forms the step with the junction of mounting bracket, the step is located the lower surface in regulation space.

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

1) The damaged external thread part can be repaired, so that the utilization rate of the part is improved, and a large number of machining procedures are not needed;

2) Through an adjustable mode, the part can be conveniently placed in, external threads of parts with different sizes can be repaired, and the application range is wide;

3) The design that adopts mounting bracket and tapping cutter components of a whole that can function independently, through the change to tapping cutter, can be applicable to the restoration of different screw threads.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the internal structure of the L-shaped hollow housing of the present invention;

FIG. 3 is a schematic view of the structure of the slide block, the mounting frame and the tapping tool of the present invention;

fig. 4 is a schematic structural view of the tapping tool of the present invention.

In the figure: the device comprises a 1L-shaped hollow shell, a 2 adjusting space, a 3 screw, a 4 knob, a 5 sliding block, a 6 mounting frame, a 7 mounting groove, an 8 tapping cutter, an 81 mounting support block, a 82 tapping knife, an 83 connecting screw hole, a 9 positioning screw, a 10 supporting space and an 11 supporting bearing.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution: an external thread rehabilitation device comprising:

the device comprises an L-shaped hollow shell 1, wherein an adjusting space 2 is formed at the upper right side inside the L-shaped hollow shell 1, a supporting space 10 is formed at the lower left side inside the L-shaped hollow shell 1, and the lower surface of the adjusting space 2 and the right surface of the supporting space 10 are both open;

a screw 3 is rotatably mounted in the adjusting space 2, a sliding block 5 is connected to the outside of the screw 3 through threads, an installation frame 6 extending to the lower side of the adjusting space 2 is arranged on the lower side of the sliding block 5, and a tapping tool 8 is mounted on the installation frame 6;

all through pivot installation support bearing 11 on the downside in the support space 10, support bearing 11's right side extends to the outside of support space 10, and two support bearing 11 symmetries set up the upper and lower side at tapping cutter 8.

Preferably, the left end of the screw rod 3 extends to the left side of the L-shaped hollow shell 1, and the left end of the screw rod 3 is connected with a knob 4 with friction grains arranged on the surface. Through the use of knob 4 that the surface set up friction line, the convenience is to screw rod 3 rotation regulation to can drive slider 5, mounting bracket 6 and remove.

Preferably, the mounting bracket 6 has an inner side provided with a mounting groove 7, the tapping tool 8 is inserted into the mounting groove 7, the tapping tool 8 includes a mounting support block 81 adapted to the mounting groove 7 in shape and a tapping blade 82 disposed on the side of the mounting support block 81, the tapping blade 82 is located on the outer side of the mounting groove 7 and faces the support bearing 11, the mounting support block 81 has a connection screw hole 83 formed therein, and the mounting groove 7 is connected to the connection screw hole 83 via a positioning screw 9. Detachable connected mode between tapping cutter 8 and the mounting groove 7 can change the use to tapping cutter 8, can carry out the restoration operation to different screw threads.

Preferably, the upper surface and the front and back wall of slider 5 and the 2 inner walls sliding connection of accommodation space, the thickness of slider 5 is less than the thickness of mounting bracket 6, the junction of slider 5 and mounting bracket 6 forms the step, the step is located the lower surface of accommodation space 2.

The working principle is as follows: according to the condition of the thread to be repaired, the tapping cutter 8, which repairs the corresponding thread, is inserted into the mounting groove 7, and the mounting groove 7 and the tapping cutter 8 are fixed by the set screw 9 such that the tapping cutter 82 is exposed and faces the position of the support bearing 11.

Arrange the external screw thread part (being the screw rod usually) that needs to be restoreed in between support bearing 11 and tapping cutter 8, twist knob 4, knob 4 drive screw 3 rotates, screw rod 3 makes slider 5 with the screw-thread fit of slider 5, mounting bracket 6 and tapping cutter 8 are close to support bearing 11, until making the external screw thread part correspond with the profile of tooth of tapping sword 82 simultaneously with the external screw thread part centre gripping, later with external screw thread part and this restorer relative rotation, extrude external screw thread part surface through tapping sword 82, the damaged screw thread that will be smashed flat is right and is formed the screw thread can or form the screw thread at the cutting of play surface.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

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. An external thread rehabilitation device, comprising:

the device comprises an L-shaped hollow shell (1), wherein an adjusting space (2) is formed at the right upper side inside the L-shaped hollow shell (1), a supporting space (10) is formed at the left lower side inside the L-shaped hollow shell (1), and the lower surface of the adjusting space (2) and the right surface of the supporting space (10) are both open;

a screw (3) is rotatably mounted in the adjusting space (2), a sliding block (5) is connected to the outside of the screw (3) through threads, an installation frame (6) extending to the lower side of the adjusting space (2) is arranged on the lower side of the sliding block (5), and a tapping cutter (8) is mounted on the installation frame (6);

the upper side and the lower side in the supporting space (10) are respectively provided with a supporting bearing (11) through a rotating shaft, the right side of each supporting bearing (11) extends to the outside of the supporting space (10), and the two supporting bearings (11) are symmetrically arranged on the upper side and the lower side of the tapping cutter (8).

2. The male thread rehabilitation device according to claim 1, wherein: the left end of the screw rod (3) extends to the left side of the L-shaped hollow shell (1), and the left end of the screw rod (3) is connected with a knob (4) with friction grains arranged on the surface.

3. The male thread rehabilitation device according to claim 1, wherein: mounting bracket (6) inboard mounting groove (7) have been seted up, tapping cutter (8) insert in mounting groove (7), tapping cutter (8) include with mounting groove (7) shape adaptation installation supporting shoe (81) and set up tapping sword (82) at installation supporting shoe (81) side, tapping sword (82) are located the outside of mounting groove (7) and towards support bearing (11), connection screw (83) have been seted up on installation supporting shoe (81), be connected through set screw (9) between mounting groove (7) and connection screw (83).

4. The male thread rehabilitation device according to claim 1, wherein: the upper surface and preceding back wall and regulation space (2) inner wall sliding connection of slider (5), the thickness of slider (5) is less than the thickness of mounting bracket (6), the junction of slider (5) and mounting bracket (6) forms the step, the step is located the lower surface of regulation space (2).