CN212838876U

CN212838876U - High-strength special-shaped positioning screw

Info

Publication number: CN212838876U
Application number: CN202021556320.2U
Authority: CN
Inventors: 蔡松青
Original assignee: Taizhou Caishi Machinery Co Ltd
Current assignee: Taizhou Caishi Machinery Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-30
Anticipated expiration: 2030-07-30

Abstract

The utility model belongs to the technical field of positioning screws, in particular to a high-strength special-shaped positioning screw, which comprises a first special-shaped positioning screw, a second special-shaped positioning screw is arranged above the first special-shaped positioning screw, the first special-shaped positioning screw comprises a first special-shaped end and a first screw rod, the second special-shaped positioning screw comprises a second special-shaped end and a second screw rod, a rotary groove is arranged at the position corresponding to the second screw rod in the first special-shaped end, a reinforcing block is arranged outside the opening of the rotary groove, when the utility model is used, the second special-shaped positioning screw and the first special-shaped positioning screw can form a single special-shaped positioning screw and can be changed into two special-shaped positioning screws for independent use at the same time through the combined structure of the second special-shaped positioning screw and the first special-shaped positioning screw, the special-shaped positioning screw has the advantages that the actual requirements of people are met, more adaptive application functions are realized, and the efficient and stable use and operation of the special-shaped positioning screw are guaranteed.

Description

High-strength special-shaped positioning screw

Technical Field

The utility model belongs to the technical field of the set screw, concretely relates to high strength abnormal shape set screw.

Background

The screw is a tool for fastening machine parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general expression of the fastener, and the screw is an indispensable industrial necessity in daily life, such as a tiny screw used by cameras, glasses, clocks and watches, electronics and the like; the general screws of TV, electric products, musical instruments, furniture, etc. the large screws and nuts are used for engineering, building and bridge, and the large and small screws are used for traffic appliances, airplanes, trolleys, automobiles, etc. The screw has an important task in industry, and as long as there is industry on earth, the function of the screw is always important. The screw is a common invention in production and life of people for thousands of years, and is the first invention of human beings according to the application field, the screw mainly has the function of connecting two workpieces together to play a role of fastening, and in the current technical means, a special-shaped positioning screw is often used, while the existing plastic special-shaped positioning screw is single in function, has no other adaptive application capability, is poor in practicability, has low strength, and has a certain influence on the long-term use of the special-shaped positioning screw.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a high strength abnormal shape set screw has more adaptation application function and the higher characteristics of intensity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength heterotypic set screw, includes first heterotypic set screw, the top of first heterotypic set screw is equipped with second heterotypic set screw, first heterotypic set screw includes a heterotypic end and a screw rod, second heterotypic set screw includes No. two heterotypic ends and No. two screw rods, in the heterotypic end with the corresponding position department of No. two screw rods has seted up the spiral groove, the outside of spiral groove opening part is equipped with the boss, the below of a heterotypic end is provided with the cushion, the top integrated into one piece of cushion has the locating piece, be equipped with in the heterotypic end with locating piece assorted locating hole, No. two screw rods with the inside of a screw rod all is equipped with second inner core and first inner core, first inner core with the second inner core is the alloy component.

As the utility model discloses a preferred technical scheme of high strength abnormal shape set screw, the screw thread on No. two screw rod outer walls with the line on the inner circle wall of spiral groove agrees with mutually.

As the utility model discloses a preferred technical scheme of high strength abnormal shape set screw, first inner core with the common cross-section of second inner core is "dart" shape structure.

As the utility model discloses a preferred technical scheme of high strength abnormal shape set screw, No. one abnormal shape end with the cushion passes through the locating piece with the locating hole block is connected.

As the utility model discloses a preferred technical scheme of high strength abnormal shape set screw, the boss is provided with four altogether, just the inner wall of boss with the outer wall of No. two screw rods contacts.

As the utility model discloses a preferred technical scheme of high strength abnormal shape set screw, the lower surface distribution of cushion has anti-skidding groove.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the second special-shaped positioning screw and the first special-shaped positioning screw can form a single special-shaped positioning screw and can be changed into two special-shaped positioning screws to be used independently at the same time through the combined structure of the two special-shaped positioning screws, so as to meet the actual needs of people, has more adaptive application functions, strengthens the stability of the connection part of the first special-shaped positioning screw and the second special-shaped positioning screw when the first special-shaped positioning screw is screwed and applied and the second special-shaped end can be used as a hand-screwing part of the first special-shaped positioning screw due to the clamping connection design between the cushion block and the first special-shaped end and the distribution of a plurality of reinforcing blocks, through first inner core and the second inner core that is equipped with in the screw rod, first inner core and second inner core are the alloy component, have strengthened the application intensity of first heterotypic set screw, make connect the application process normal orderly the going on soon, have guaranteed the high-efficient stable operation to heterotypic set screw.

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 an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the structure at a-a in fig. 1.

In the figure: 1. a first special-shaped positioning screw; 2. a second special-shaped positioning screw; 3. rotating the groove; 4. cushion blocks; 5. a first special-shaped end; 6. a first screw rod; 7. a second special-shaped end; 8. a second screw; 9. positioning blocks; 10. positioning holes; 11. a reinforcing block; 12. a first inner core; 13. a second inner core.

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: the utility model provides a high strength abnormal shape set screw, including first abnormal shape set screw 1, the top of first abnormal shape set screw 1 is equipped with second abnormal shape set screw 2, first abnormal shape set screw 1 includes a abnormal shape end 5 and a screw rod 6, second abnormal shape set screw 2 includes No. two abnormal shape ends 7 and No. two screw rods 8, the position department corresponding with No. two screw rods 8 has seted up spiral groove 3 in No. one abnormal shape end 5, the outside of the opening part of spiral groove 3 is equipped with boss 11, the below of a abnormal shape end 5 is provided with cushion 4, the top integrated into one piece of cushion 4 has locating piece 9, be equipped with in No. one abnormal shape end 5 with locating piece 9 assorted locating hole 10, the inside of No. two screw rods 8 and a screw rod 6 all is equipped with second inner core 13 and first inner core 12, first inner core 12 and second inner core 13 are the alloy member, in this embodiment.

Specifically, the thread on the outer wall of the second screw 8 is matched with the grain on the inner ring wall surface of the spiral groove 3, in the embodiment, the second screw 8 is screwed in the spiral groove 3, so that the first special-shaped positioning screw 1 and the second special-shaped positioning screw 2 can be changed into two special-shaped positioning screws for independent use.

Specifically, the common section of the first inner core 12 and the second inner core 13 is a dart-shaped structure, and in this embodiment, the arrangement of the first inner core 12 and the second inner core 13 enhances the application strength of the first special-shaped set screw 1.

Specifically, the first special-shaped end 5 and the cushion block 4 are connected through the positioning blocks 9 and the positioning holes 10 in a clamping mode, in the embodiment, the two positioning blocks 9 are symmetrically distributed, and the positioning blocks 9 are clamped into the corresponding positioning holes 10, so that the first special-shaped end 5 is reliably connected with the cushion block 4.

Specifically, the reinforcing block 11 is provided with four, and the inner wall of the reinforcing block 11 contacts with the outer wall of the second screw 8, in this embodiment, the resistance of the outside of the second screw 8 is also enhanced by the reinforcing block 11, and the situation that the second special-shaped end 7 and the second screw 8 are touched to cause fracture is prevented.

Specifically, the lower surface distribution of cushion 4 has anti-skidding groove, and in this embodiment, the setting in anti-skidding groove has increased the frictional property between cushion 4 and contact plane, has further strengthened the stability of first heterotypic set screw 1 spiral connection process.

The utility model discloses a theory of operation and use flow: the utility model discloses in the in-process that uses, need be to first heterotypic set screw 1, when the 2 subassemblies of second heterotypic set screw are whole to be used, the part of No. 7 heterotypic end is twisted to personnel's hand, because the screw thread on a screw rod 6 and No. two screw rods 8 screws opposite direction, the part of a screw rod 6 can carry out normal screwing fastening process, and a screw rod 6 of 5 below additional installations of heterotypic end, the stability of screwing in process has been strengthened, the outside resistance of No. two screw rods 8 has also been strengthened to the part of a plurality of bosses 11, prevent to touch No. 7 heterotypic end, No. two screw rods 8 parts lead to the condition of fracture to take place, be equipped with first inner core 12 and second inner core 13 in the inside of a screw rod 6, first inner core 12 and second inner core 13 are the alloy component, the application intensity of first heterotypic set screw 1 has been strengthened, need be to first heterotypic set screw 1 positioning, When the second abnormal shape set screw 2 is disassembled for use, the second screw rod 8 on the second abnormal shape set screw 2 is screwed out from the corresponding rotary groove 3, so that the first abnormal shape set screw 1 and the second abnormal shape set screw 2 can be used as a single body, the screwing application process is normally and orderly performed, and the efficient and stable use operation of the abnormal shape set screw is ensured.

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 high strength abnormal shape set screw, includes first abnormal shape set screw (1), its characterized in that: a second special-shaped positioning screw (2) is arranged above the first special-shaped positioning screw (1), the first special-shaped positioning screw (1) comprises a first special-shaped end (5) and a first screw rod (6), the second special-shaped positioning screw (2) comprises a second special-shaped end (7) and a second screw rod (8), a rotary groove (3) is formed in the position, corresponding to the second screw rod (8), in the first special-shaped end (5), a reinforcing block (11) is arranged outside the opening of the rotary groove (3), a cushion block (4) is arranged below the first special-shaped end (5), a positioning block (9) is integrally formed above the cushion block (4), a positioning hole (10) matched with the positioning block (9) is formed in the first special-shaped end (5), a second inner core (13) and a first inner core (12) are arranged inside the second screw rod (8) and the first screw rod (6), the first inner core (12) and the second inner core (13) are both alloy components.

2. A high strength profiled set screw as claimed in claim 1, wherein: and the threads on the outer wall of the second screw rod (8) are matched with the threads on the wall surface of the inner ring of the spiral groove (3).

3. A high strength profiled set screw as claimed in claim 1, wherein: the common section of the first inner core (12) and the second inner core (13) is of a dart-shaped structure.

4. A high strength profiled set screw as claimed in claim 1, wherein: the first special-shaped end (5) and the cushion block (4) are connected through the positioning block (9) and the positioning hole (10) in a clamping mode.

5. A high strength profiled set screw as claimed in claim 1, wherein: the number of the reinforcing blocks (11) is four, and the inner walls of the reinforcing blocks (11) are in contact with the outer walls of the second screw rods (8).

6. A high strength profiled set screw as claimed in claim 1, wherein: and anti-skid grooves are distributed on the lower surface of the cushion block (4).