CN220227442U

CN220227442U - Inner hexagon screw fastener

Info

Publication number: CN220227442U
Application number: CN202321225142.9U
Authority: CN
Inventors: 赵晓贻; 李华峰; 黄红耀; 赵玉
Original assignee: Nantong Saiford Hardware Technology Co ltd
Current assignee: Nantong Saiford Hardware Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-12-22
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses an inner hexagon screw fastener which comprises a screw rod and a screw head, wherein the screw head is fixedly connected to one end of the screw rod, a nut is sleeved on the screw rod in a threaded manner, a screw port is arranged on the screw head, a connecting sheet is arranged in the screw port, a screw groove is formed in the connecting sheet, a positioning plate is fixedly connected to the bottom of the connecting sheet, the positioning plate is inserted into the screw port, grooves are formed in two sides of the screw head, a rotating block is arranged in the grooves, a locking bolt is fixedly connected to one side of the rotating block, a clamping groove corresponding to the locking bolt is formed in one side of the positioning plate, and an inner thread corresponding to the locking bolt is formed in the inner side wall of the clamping groove.

Description

Inner hexagon screw fastener

Technical Field

The utility model relates to the field of screw fastener related products, in particular to an inner hexagon screw fastener.

Background

In the current machining field of machine building, often use the interior hexagonal screw that has the convenient fastening of being convenient for, dismantles, is difficult for the sliding angle to carry out the fastening of machinery inside, the screw head outside of interior hexagonal screw is round, and the centre is the hexagon of concave in, and the middle depressed part is the interior hexagonal structure promptly.

However, the existing socket head cap screw fastener can only be operated through a socket head cap wrench, has single functional operation, causes inconvenience in work and has defects.

Disclosure of Invention

The present utility model is directed to an socket head cap screw fastener, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an inner hexagonal screw fastener, includes screw rod and screw head, screw head fixed connection has cup jointed the nut in the one end of screw rod, be equipped with the screw socket on the screw head, be equipped with the connection piece in the screw socket, be equipped with the helicoidal groove on the connection piece, the bottom fixedly connected with locating plate of connection piece, insert on the locating plate and establish in the screw socket, the both sides of screw head all are equipped with the recess, be equipped with the commentaries on classics piece in the recess, one side fixedly connected with locking bolt of commentaries on classics piece, one side of locating plate is equipped with the draw-in groove that corresponds with the locking bolt, be equipped with the internal thread that corresponds with the locking bolt on the draw-in groove inside wall.

Preferably, a positioning groove which is communicated with each other is formed in the screw, and the positioning plate is inserted into the positioning groove in a sliding manner.

Preferably, one end of the locking bolt extends into the screw, and the screw head is provided with a through hole corresponding to the locking bolt.

Preferably, the outer side wall of the rotating block is provided with anti-skid patterns.

Preferably, the screw groove is a cross screw groove.

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

according to the socket head cap screw fastener, the connecting piece is arranged in the screw hole on the screw head, the screw groove is formed in the connecting piece, the screw head can be rotated by using the cross head screw driver or the straight head screw driver, and the locating plate on the connecting piece is fixed through the locking bolt so as to facilitate the disassembly and assembly of the connecting piece.

Drawings

FIG. 1 is a schematic view of the socket head cap screw fastener of the present utility model;

FIG. 2 is a schematic top view of the socket head cap screw fastener of the present utility model;

in the figure: 1. a screw; 2. a screw head; 3. a nut; 4. a screw; 5. a connecting sheet; 6. a screw groove; 7. a positioning plate; 8. a groove; 9. a rotating block; 10. a locking bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, embodiments of the present utility model are provided: the utility model provides an inner hexagon screw fastener, including screw rod 1 and spiral shell head 2, spiral shell head 2 fixed connection has cup jointed nut 3 on screw rod 1, be equipped with screw 4 on the spiral shell head 2, be equipped with connection piece 5 in the screw 4, be equipped with helicoidal 6 on the connection piece 5, the bottom fixedly connected with locating plate 7 of connection piece 5, it establishes in screw 4 to insert on the locating plate 7, the both sides of spiral shell head 2 all are equipped with recess 8, be equipped with turning block 9 in the recess 8, one side fixedly connected with locking bolt 10 of turning block 9, one side of locating plate 7 is equipped with the draw-in groove that corresponds with locking bolt 10, be equipped with the internal thread that corresponds with locking bolt 10 on the draw-in groove inside wall, specifically speaking, set up connection piece 5 in screw 4 on the spiral shell head 2, be equipped with helicoidal 6 on the connection piece 5, the setting of helicoidal 6 can use cross screwdriver or the rotatory operation of a first screwdriver of spiral shell head, locating plate 7 on the connection piece 5 is fixed through locking bolt 10 and is then is convenient for realize the dismouting of connection piece 5.

In the embodiment, a positioning groove which is communicated with each other is arranged in the screw 4, and the positioning plate 7 is inserted in the positioning groove in a sliding way; one end of the locking bolt 10 extends into the screw 4, and the screw head 2 is provided with a through hole corresponding to the locking bolt 10; the outer side wall of the rotating block 9 is provided with anti-skid patterns, so that the locking bolt 10 can be conveniently rotated; the screw groove 6 is a cross screw groove.

Working principle: firstly, a connecting piece 5 is arranged in a screw 4 on a screw head 2, a screw groove 6 is arranged on the connecting piece 5, the screw groove 6 is arranged to enable a cross screw driver or a straight screw driver to rotate the screw head, and a positioning plate 7 on the connecting piece 5 is fixed through a locking bolt 10 so as to facilitate the disassembly and assembly of the connecting piece 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in 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 utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an inner hexagonal screw fastener, includes screw rod (1) and spiral shell head (2), its characterized in that: screw head (2) fixed connection is in the one end of screw rod (1), screw nut (3) have been cup jointed to the screw thread on screw rod (1), be equipped with screw (4) on screw head (2), be equipped with connection piece (5) in screw (4), be equipped with helicoidal groove (6) on connection piece (5), the bottom fixedly connected with locating plate (7) of connection piece (5), insert on locating plate (7) and establish in screw (4), the both sides of screw head (2) all are equipped with recess (8), be equipped with in recess (8) and change piece (9), one side fixedly connected with locking bolt (10) of change piece (9), one side of locating plate (7) is equipped with the draw-in groove that corresponds with locking bolt (10), be equipped with the internal thread that corresponds with locking bolt (10) on the draw-in groove inside wall.

2. The socket head cap screw fastener of claim 1, wherein: the screw (4) is internally provided with a positioning groove which is communicated with the screw, and the positioning plate (7) is inserted in the positioning groove in a sliding way.

3. The socket head cap screw fastener of claim 1, wherein: one end of the locking bolt (10) extends into the screw opening (4), and the screw head (2) is provided with a through opening corresponding to the locking bolt (10).

4. The socket head cap screw fastener of claim 1, wherein: the outer side wall of the rotating block (9) is provided with anti-skid patterns.

5. The socket head cap screw fastener of claim 1, wherein: the screw groove (6) is a cross screw groove.