CN214998729U

CN214998729U - Hexagonal head double-thread screw with gasket

Info

Publication number: CN214998729U
Application number: CN202120865151.9U
Authority: CN
Inventors: 李忠华; 李睿杰
Original assignee: Jiaxing Guoxia Precision Machinery Manufacturing Co ltd; Jiashan Sanxin New Material Co ltd
Current assignee: Jiaxing Guoxia Precision Machinery Manufacturing Co ltd; Jiashan Sanxin New Material Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-03
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a hexagonal head double-thread screw with a gasket, belonging to the technical field of screws, comprising a hexagonal head, wherein an upper thread part is arranged below the hexagonal head, the gasket is arranged outside the top end of the upper thread part, a lower thread part is arranged below the upper thread part, and the upper thread part and the lower thread part are connected through a connecting device; the connecting device comprises a connecting block, a rotating shaft, a rotating block, a first screw rod, a threaded cylinder and a connecting plate, wherein the connecting block is arranged on one side of the upper threaded part close to the lower threaded part, and the connecting plate is arranged on one side of the lower threaded part close to the connecting block; the utility model discloses a set up connecting device for the screw can carry out certain regulation through rotatory turning block to the distance between screw thread portion and the lower screw thread portion as required, thereby satisfies the work needs under the different situation, and then has improved the operational capability of screw.

Description

Hexagonal head double-thread screw with gasket

Technical Field

The utility model belongs to the technical field of the screw, concretely relates to take hexagon head double thread screw of gasket.

Background

The screw is a tool for fastening the parts of an object step by utilizing the physical and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word.

The prior art has the following problems: 1. most of the existing hexagon head double-thread screws with gaskets have the problem that the distance between two threads cannot be adjusted according to needs, so that the screws are difficult to be suitable for occasions with different conditions, and the working capacity of the screws is further reduced; 2. the problem that the existing hexagonal head double-thread screw with the gasket is easy to separate from the screw under the conditions of taking, placing, transporting and the like mostly exists, so that the screw is inconvenient to use, and the practicability of the screw is reduced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a take hexagon head double thread screw of gasket has the characteristics that the working capacity is high, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: the hexagonal-head double-thread screw with the gasket comprises a hexagonal head, wherein an upper thread part is arranged below the hexagonal head, the gasket is arranged on the outer side of the top end of the upper thread part, a lower thread part is arranged below the upper thread part, and the upper thread part and the lower thread part are connected through a connecting device;

connecting device includes connecting block, pivot, turning block, first screw rod, a screw thread section of thick bamboo and connecting plate, it installs the connecting block to go up the one side that the screw thread part is close to down the screw thread part, the connecting plate is installed to one side that the screw thread part is close to the connecting block down, the connecting plate is close to one side of connecting block and installs a screw thread section of thick bamboo, first screw rod is installed through the screw thread in the inboard of a screw thread section of thick bamboo, the turning block is installed to one side that first screw rod is close to the connecting block, the pivot is installed to one side that the turning block is close to the connecting block.

Preferably, the connecting block is connected with the rotating shaft through a bearing.

Preferably, a guide ring is installed on the outer side of the top end of the threaded cylinder, two guide rods are installed below the connecting block and at positions corresponding to the guide ring, and the guide ring is connected with the guide rods in a sliding mode.

Preferably, be connected through two fixing device between hexagonal head and the gasket, fixing device is including inserting post, compression spring, fixture block and holding tank, the top of gasket and be provided with two with the hexagonal head corresponding position and insert the post, two insert the both sides of keeping away from each other between the post and all seted up the holding tank with the hexagonal head corresponding position, compression spring, two are installed to the inboard of holding tank the fixture block is all installed at the both ends of keeping away from each other between the compression spring.

Preferably, sliding connection between post and the hexagonal head is inserted, sliding connection between fixture block and the holding tank.

Preferably, a second screw rod is installed on the inner side of the lower end of the inserting column through threads, and the second screw rod is connected with the gasket in an adhering mode.

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

1. the utility model discloses a set up connecting device for the screw can carry out certain regulation through rotatory turning block to the distance between screw thread portion and the lower screw thread portion as required, thereby satisfies the work needs under the different situation, and then has improved the operational capability of screw.

2. The utility model discloses a set up fixing device for the screw can be fixed the relative position between gasket and the hexagonal head when needing, thereby has reduced the gasket and has got the possibility that drops under the circumstances such as putting, transportation, and then has improved the practicality of screw.

Drawings

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

fig. 2 is a perspective view of the connecting device of the present invention;

FIG. 3 is a schematic structural view of the connecting device of the present invention;

fig. 4 is a schematic structural view of the fixing device of the present invention.

In the figure: 1. an upper threaded portion; 2. a connecting device; 21. connecting blocks; 22. a rotating shaft; 23. rotating the block; 24. a first screw; 25. a threaded barrel; 26. a connecting plate; 27. a guide ring; 28. a guide bar; 3. a lower threaded portion; 4. a gasket; 5. a fixing device; 51. a second screw; 52. inserting a column; 53. a compression spring; 54. a clamping block; 55. accommodating grooves; 6. a hexagonal head.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: a hexagonal head double-thread screw with a gasket comprises a hexagonal head 6, wherein an upper thread part 1 is arranged below the hexagonal head 6, a gasket 4 is arranged on the outer side of the top end of the upper thread part 1, a lower thread part 3 is arranged below the upper thread part 1, and the upper thread part 1 is connected with the lower thread part 3 through a connecting device 2;

connecting device 2 includes connecting block 21, pivot 22, turning block 23, first screw rod 24, thread cylinder 25 and connecting plate 26, go up thread part 1 and install connecting block 21 near one side of lower thread part 3, lower thread part 3 is close to one side of connecting block 21 and installs connecting plate 26, thread cylinder 25 is installed near one side of connecting block 21 to connecting plate 26, first screw rod 24 is installed through the screw thread to the inboard of thread cylinder 25, turning block 23 is installed near one side of connecting block 21 to first screw rod 24, pivot 22 is installed near one side of connecting block 21 to turning block 23.

Specifically, the connecting block 21 is connected with the rotating shaft 22 through a bearing,

by adopting the technical scheme, the normal connection between the rotating shaft 22 and the connecting block 21 is ensured.

Specifically, a guide ring 27 is arranged on the outer side of the top end of the threaded cylinder 25, two guide rods 28 are arranged below the connecting block 21 and at positions corresponding to the guide ring 27, the guide ring 27 is connected with the guide rods 28 in a sliding manner,

through adopting above-mentioned technical scheme for the removal of connecting block 21 can obtain certain direction.

Specifically, the hexagonal head 6 is connected with the gasket 4 through two fixing devices 5, each fixing device 5 comprises an inserting column 52, a compression spring 53, a fixture block 54 and an accommodating groove 55, two inserting columns 52 are arranged above the gasket 4 and at positions corresponding to the hexagonal head 6, the accommodating grooves 55 are respectively arranged at two sides of the two inserting columns 52 which are far away from each other and at positions corresponding to the hexagonal head 6, the compression springs 53 are arranged at the inner sides of the accommodating grooves 55, the fixture blocks 54 are respectively arranged at two ends of the two compression springs 53 which are far away from each other,

through adopting above-mentioned technical scheme for the screw can be fixed the relative position between gasket 4 and the hexagonal head 6, thereby has reduced the gasket 4 and has got the possibility that drops under the circumstances such as putting, transportation.

Specifically, the insertion column 52 is slidably connected with the hexagonal head 6, the latch 54 is slidably connected with the receiving groove 55,

by adopting the technical scheme, the normal connection between the inserting column 52 and the hexagonal head 6 and between the fixture block 54 and the accommodating groove 55 is ensured.

Specifically, the inner side of the lower end of the inserting column 52 is provided with a second screw 51 through threads, the second screw 51 is connected with the gasket 4 in an adhesion way,

by adopting the technical scheme, a user can install and detach the inserting column 52 and the upper structure thereof when needed.

The structure and principle of the upper thread part 1 and the lower thread part 3 of the utility model are disclosed in a double thread screw disclosed in the Chinese patent application No. CN 201320037784.6.

The utility model discloses a theory of operation and use flow: when the distance between the upper thread part 1 and the lower thread part 3 needs to be adjusted, the rotating block 23 in the connecting device 2 is rotated, the rotating block 23 drives the first screw rod 24 to rotate, the first screw rod 24 is connected with the thread cylinder 25 through threads, so the rotating block 23 and the first screw rod 24 ascend and further drive the upper thread part 1 to move, the distance between the upper thread part 1 and the lower thread part 3 is adjusted, the connecting block 21 is connected with the rotating shaft 22 through a bearing, and the guide ring 27 is connected with the guide rod 28 in a sliding manner, so the connecting block 21 and the upper thread part 1 cannot rotate, after the upper thread part 1 and the lower thread part 3 are adjusted to a proper distance, the rotating block 23 stops rotating, the adjustment is finished, and the connecting plate 26 plays a role in connection and fixation; when the gasket 4 needs to be installed, the inserting columns 52 in the two fixing devices 5 are fixedly connected with the second screw 51 on the gasket 4 through threads, the two fixture blocks 54 are pressed to enter the accommodating grooves 55, then the gasket 4 is sleeved on the outer side of the upper threaded part 1, the two inserting columns 52 are ensured to penetrate through the hexagonal heads 6, the fixture blocks 54 leave the accommodating grooves 55 under the action of the compression springs 53, and therefore fixing is conducted, and installation is completed.

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. The utility model provides a take hexagon head double thread screw of gasket, includes hexagon head (6), its characterized in that: an upper threaded part (1) is mounted below the hexagonal head (6), a gasket (4) is arranged on the outer side of the top end of the upper threaded part (1), a lower threaded part (3) is arranged below the upper threaded part (1), and the upper threaded part (1) is connected with the lower threaded part (3) through a connecting device (2);

connecting device (2) include connecting block (21), pivot (22), turning block (23), first screw rod (24), screw cylinder (25) and connecting plate (26), it installs connecting block (21) to go up screw thread part (1) and be close to one side of lower screw thread part (3), connecting plate (26) are installed to one side that lower screw thread part (3) are close to connecting block (21), screw cylinder (25) are installed to one side that connecting plate (26) are close to connecting block (21), first screw rod (24) are installed through the screw thread to the inboard of screw cylinder (25), turning block (23) are installed to one side that first screw rod (24) are close to connecting block (21), turning block (23) are installed pivot (22) near one side of connecting block (21).

2. The hexagonal-head double-thread screw with the gasket as claimed in claim 1, wherein: the connecting block (21) is connected with the rotating shaft (22) through a bearing.

3. The hexagonal-head double-thread screw with the gasket as claimed in claim 1, wherein: a guide ring (27) is installed on the outer side of the top end of the threaded cylinder (25), two guide rods (28) are installed below the connecting block (21) and at positions corresponding to the guide ring (27), and the guide ring (27) is connected with the guide rods (28) in a sliding mode.

4. The hexagonal-head double-thread screw with the gasket as claimed in claim 1, wherein: be connected through two fixing device (5) between hexagonal head (6) and gasket (4), fixing device (5) are including inserting post (52), compression spring (53), fixture block (54) and holding tank (55), the top of gasket (4) and be provided with two with hexagonal head (6) corresponding position and insert post (52), two insert both sides of keeping away from each other between post (52) and all seted up holding tank (55) with hexagonal head (6) corresponding position, compression spring (53) are installed to the inboard of holding tank (55), two fixture block (54) are all installed at the both ends of keeping away from each other between compression spring (53).

5. The hexagonal-head double-thread screw with the gasket as claimed in claim 4, wherein: the inserting column (52) is in sliding connection with the hexagonal head (6), and the clamping block (54) is in sliding connection with the accommodating groove (55).

6. The hexagonal-head double-thread screw with the gasket as claimed in claim 4, wherein: the inner side of the lower end of the inserted column (52) is provided with a second screw rod (51) through threads, and the second screw rod (51) is connected with the gasket (4) in an adhesion manner.