CN213033831U

CN213033831U - Special screw tap for crankshaft

Info

Publication number: CN213033831U
Application number: CN202020936628.3U
Authority: CN
Inventors: 董向阳
Original assignee: Yangzhou Jiangyu Tools Co ltd
Current assignee: Yangzhou Jiangyu Tools Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-23
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the technical field of screw taps, in particular to a special screw tap for a crankshaft, which comprises a screw tap main body, wherein a movable connecting assembly is arranged on the surface of the screw tap main body and can reciprocate along the axial direction of the screw tap main body; the screw tap is characterized by further comprising a transparent protective cover, wherein an installation assembly is installed at the end part of the transparent protective cover, and the transparent protective cover is assembled on the screw tap body through the matching of the installation assembly and the movable connection assembly; the mounting assembly comprises a fixed mounting plate and two movable mounting plates which are symmetrically distributed; the utility model discloses a special screw tap of bent axle through the transparent protection casing that sets up, can play the safety protection effect at the tapping in-process, avoids the spark that the friction produced to splash between screw tap main part and the metal raw and other materials to hinder the people, also avoids the piece that produces to splash simultaneously and hinders the people, has protected processing personnel's safety well, and transparent protection casing still can play the safety protection of preferred, the life of extension screw tap main part to the screw tap main part simultaneously.

Description

Special screw tap for crankshaft

Technical Field

The utility model belongs to the technical field of the screw tap, concretely relates to special screw tap of bent axle.

Background

The screw tap is a tool for processing internal threads, and can be classified into a spiral tap, an edge inclination angle tap, a straight flute tap, a pipe screw tap and the like according to the shape, a hand screw tap and a machine screw tap according to the use environment, a metric system, a american system, an english system screw tap and the like according to the specification, and the screw tap is the most mainstream processing tool adopted by a manufacturer in tapping and is also a necessary structural component for crankshaft processing.

In the process of machining a threaded hole by using an original screw tap, sparks generated by friction between the screw tap and metal raw materials are easy to splash to hurt people, and meanwhile, generated chips are also easy to splash to hurt people.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a special screw tap of bent axle has convenient to use, easily dismouting and the high characteristics of security performance.

In order to achieve the above object, the utility model provides a following technical scheme: the special screw tap for the crankshaft comprises a screw tap main body, wherein a movable connecting assembly is mounted on the surface of the screw tap main body and can reciprocate along the axial direction of the screw tap main body; the screw tap is characterized by further comprising a transparent protective cover, wherein the transparent protective cover is of a hollow cylinder structure, an installation assembly is installed at the end part of the transparent protective cover, and the transparent protective cover is assembled on the screw tap body through the matching of the installation assembly and the movable connection assembly; the mounting assembly comprises a fixed mounting plate and two movable mounting plates which are symmetrically distributed.

As a preferred technical scheme of the utility model, fixed mounting panel is half circular ring structure, movable mounting panel is quarter circular ring structure, the movable mounting panel symmetry articulates fixed mounting panel's both ends.

As a preferred technical solution of the present invention, the movable connection assembly includes a preset mounting collar and a bearing fixed in the preset mounting collar; the fixed mounting plate with the inner wall of movable mounting panel all is fixed with the stopper the outer wall of predetermineeing the installation lantern ring is seted up and is held the spacing recess of stopper.

As an optimal technical scheme of the utility model, the inner wall of bearing is fixed with spacing slider, the outer wall of screw tap main part along its axial seted up with the corresponding spacing spout of spacing slider, spacing slider imbeds in the spacing spout and can follow spacing spout removes.

As the utility model discloses a preferred technical scheme still includes bolt and nut, two the free end outer wall of movable mounting panel is fixed with a connection piece and No. two connection pieces respectively, works as a connection piece with screw thread through bolt and nut closes fixed connection soon after No. two connection pieces are closed.

As an optimal technical scheme of the utility model, the port department embedding of transparent protection casing is equipped with sealing rubber stopper.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a special screw tap of bent axle through the transparent protection casing that sets up, can play the safety protection effect at the tapping in-process, avoids the spark that the friction produced to splash between screw tap main part and the metal raw and other materials to hinder the people, also avoids the piece that produces to splash simultaneously and hinders the people, has protected processing personnel's safety well, and transparent protection casing still can play the safety protection of preferred, the life of extension screw tap main part to the screw tap main part simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the transparent protective cover assembly structure of the present invention;

fig. 3 is a schematic structural view of the front side of the movable connecting assembly of the present invention;

in the figure: 1. a tap body; 2. a limiting chute; 3. a movable connection assembly; 4. a transparent protective cover; 5. sealing the rubber plug; 6. mounting the component; 7. fixing the mounting plate; 8. presetting a mounting lantern ring; 9. a limiting block; 10. a limiting groove; 11. a bearing; 12. a limiting slide block; 13. a first connecting sheet; 14. a second connecting sheet; 15. a bolt; 16. a nut; 17. a movable mounting plate.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a special screw tap for a crankshaft comprises a screw tap main body 1, wherein a movable connecting assembly 3 is mounted on the surface of the screw tap main body 1, and the movable connecting assembly 3 can reciprocate along the axial direction of the screw tap main body 1; the screw tap is characterized by further comprising a transparent protective cover 4, wherein the transparent protective cover 4 is of a hollow cylinder structure, an installation component 6 is installed at the end part of the transparent protective cover 4, and the transparent protective cover 4 is assembled on the screw tap main body 1 through the matching of the installation component 6 and the movable connection component 3; installation component 6 includes fixed mounting board 7 and two symmetric distribution's movable mounting board 17, when using, screw tap main part 1 is after the assembly is accomplished, assemble transparent protection casing 4 on screw tap main part 1 through installation component 6 and movable connection subassembly 3's cooperation, at the tapping in-process, movable connection subassembly 3 slides for screw tap main part 1 is reverse, and drive transparent protection casing 4 and remove, guarantee the reliability of tapping, and simultaneously, transparent protection casing 4 avoids that the spark that the friction produced splashes and hurts the people between screw tap main part 1 and the metal raw and other materials, also avoid the piece that produces to splash and hurts people simultaneously, processing personnel's safety has been protected well.

Specifically, according to fig. 2 and fig. 3, in this embodiment, the fixed mounting plate 7 is a semicircular ring structure, the movable mounting plates 17 are quarter ring structures, the movable mounting plates 17 are symmetrically hinged at two ends of the fixed mounting plate 7, and the fixed mounting plate 7 and the two movable mounting plates 17 are combined into a whole of a ring structure.

Specifically, according to fig. 2 and fig. 3, in the present embodiment, the movable connection assembly 3 includes a preset mounting collar 8 and a bearing 11 fixed in the preset mounting collar 8; the inner wall of fixed mounting plate 7 and movable mounting plate 17 all is fixed with stopper 9, can hold stopper 9's spacing recess 10 at the outer wall of predetermineeing the installation lantern ring 8, when assembling transparent protection casing 4, open two movable mounting plate 17 earlier, laminate fixed mounting plate 7 in predetermineeing the installation lantern ring 8 outsidely, and make stopper 9 embedding correspond in the spacing recess 10, two movable mounting plate 17 of reclosure, and make in the spacing recess 10 that stopper 9 embedding corresponds, furthermore, bearing 11's setting, guarantee the reliable rotation of screw tap main part 1, and avoid transparent protection casing 4 to follow screw tap main part 1 and rotate at a high speed.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, a limiting slide block 12 is fixed to an inner wall of a bearing 11, a limiting slide groove 2 corresponding to the limiting slide block 12 is axially formed in an outer wall of a tap main body 1, the limiting slide block 12 is embedded into the limiting slide groove 2 and can move along the limiting slide groove 2, and stability of movement of a movable connecting assembly 3 during tapping is guaranteed.

Specifically, according to fig. 1, as shown in fig. 2 and fig. 3, in this embodiment, the mounting assembly further comprises a bolt 15 and a nut 16, a first connecting piece 13 and a second connecting piece 14 are fixed on the outer walls of the free ends of the two movable mounting plates 17 respectively, after the first connecting piece 13 and the second connecting piece 14 are closed, the first connecting piece 13 and the second connecting piece 14 are screwed and fixedly connected through the threads of the bolt 15 and the nut 16, when the transparent protective cover 4 is assembled, the two movable mounting plates 17 are opened first, the fixed mounting plate 7 is attached to the outside of the preset mounting lantern ring 8, the limiting block 9 is embedded into the corresponding limiting groove 10, the two movable mounting plates 17 are closed again, the limiting block 9 is embedded into the corresponding limiting groove 10, and then the bolt 15 and the nut 16 are screwed and fixedly connected, so that the mounting assembly 6 is connected with the.

Specifically, according to fig. 2, in this embodiment, a sealing rubber plug 5 is embedded and assembled at a port of the transparent protective cover 4, and when the device is idle, a sealing rubber plug 5 is embedded and assembled at a port of the transparent protective cover 4, so as to perform safety protection on the tap body 1.

The utility model discloses a theory of operation and use flow: the utility model discloses a special screw tap of bent axle, when using, screw tap main part 1 is after the assembly is accomplished, assemble transparent protection casing 4 on screw tap main part 1 through installation component 6 and the cooperation of movable connecting assembly 3, at the tapping in-process, movable connecting assembly 3 is for screw tap main part 1 reverse slip, and drive transparent protection casing 4 and remove, guarantee the reliability of tapping, and simultaneously, transparent protection casing 4 avoids the spark that the friction produced to splash and injures the people between screw tap main part 1 and the metal raw and other materials, also avoid the piece that produces to splash and injures the people simultaneously, processing personnel's safety has been protected well.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a special screw tap of bent axle, includes screw tap main part (1), its characterized in that: the surface of the tap main body (1) is provided with a movable connecting assembly (3), and the movable connecting assembly (3) can reciprocate along the axial direction of the tap main body (1); the screw tap is characterized by further comprising a transparent protective cover (4), the transparent protective cover (4) is of a hollow cylinder structure, a mounting assembly (6) is mounted at the end of the transparent protective cover (4), and the transparent protective cover (4) is assembled on the screw tap main body (1) through the matching of the mounting assembly (6) and the movable connecting assembly (3); the mounting assembly (6) comprises a fixed mounting plate (7) and two movable mounting plates (17) which are symmetrically distributed.

2. The special screw tap for crankshafts according to claim 1, characterized in that: the fixed mounting plate (7) is of a semicircular ring structure, the movable mounting plate (17) is of a quarter ring structure, and the movable mounting plate (17) is symmetrically hinged to the two ends of the fixed mounting plate (7).

3. The special screw tap for crankshafts according to claim 1, characterized in that: the movable connecting assembly (3) comprises a preset mounting lantern ring (8) and a bearing (11) fixed in the preset mounting lantern ring (8); the inner walls of the fixed mounting plate (7) and the movable mounting plate (17) are respectively provided with a limiting block (9), and the outer wall of the preset mounting sleeve ring (8) is provided with a limiting groove (10) capable of accommodating the limiting block (9).

4. A special tap for crankshafts according to claim 3, characterised in that: the inner wall of the bearing (11) is fixed with a limiting sliding block (12), the outer wall of the tap main body (1) is provided with a limiting sliding groove (2) corresponding to the limiting sliding block (12) along the axial direction of the outer wall, and the limiting sliding block (12) is embedded into the limiting sliding groove (2) and can move along the limiting sliding groove (2).

5. The special screw tap for crankshafts according to claim 1, characterized in that: the movable mounting plate is characterized by further comprising a bolt (15) and a nut (16), a first connecting piece (13) and a second connecting piece (14) are fixed to the outer wall of the free end of the movable mounting plate (17) respectively, and when the first connecting piece (13) and the second connecting piece (14) are closed and then fixedly connected through the thread screwing of the bolt (15) and the nut (16).

6. The special screw tap for crankshafts according to claim 1, characterized in that: the port department embedding of transparent protection casing (4) is equipped with sealing rubber stopper (5).