CN216009185U

CN216009185U - Cross-recessed flat head screw

Info

Publication number: CN216009185U
Application number: CN202122390537.1U
Authority: CN
Inventors: 卢凤琴; 卢战华
Original assignee: Suzhou Augusting G Precision Hardware Co ltd
Current assignee: Suzhou Augusting G Precision Hardware Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-11
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a cross-slot flat head screw, belonging to the technical field of screws, comprising a cross-slot flat head, wherein a threaded column is arranged below the cross-slot flat head, and a fixing device is arranged outside the cross-slot flat head; the fixing device comprises a moving ring, a screw, a sucker and a fixing sleeve, and the fixing sleeve is arranged on the outer side of the cross groove-shaped flat head; the fixing device is arranged, so that the screw can be fixed in a certain auxiliary way through the sucker when needed, the possibility of loosening of the screw due to external impact and other reasons is reduced, and the stability of the screw is improved; the utility model discloses a set up connecting device for the user can carry out the dismouting to screw post and cross cell type homalocephalus in needs, thereby can change it when certain structure appears damaging, has reduced the waste of resource, and then has improved the practicality of screw.

Description

Cross-recessed flat head screw

Technical Field

The utility model belongs to the technical field of the screw, concretely relates to cross recess flat head screw.

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.

The prior art has the following problems: 1. most of the existing cross-slot flat head screws have the problem that the screws are easy to loosen due to external impact and the like, so that the stability of the screws is reduced; 2. most of the existing cross-slot flat-head screws have the problem that the threaded columns and the cross-slot flat heads cannot be disassembled and assembled when needed, so that the threaded columns and the cross-slot flat heads cannot be replaced when a certain structure is damaged, the resource waste is increased, and the practicability of the screws is reduced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a cross recess flat head screw has the characteristics that stability is high, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a cross-slot flat-head screw comprises a cross-slot flat head, wherein a threaded column is arranged below the cross-slot flat head, and a fixing device is arranged on the outer side of the cross-slot flat head;

fixing device includes shifting ring, screw rod, sucking disc and fixed cover, fixed cover is installed in the outside of the flat head of cross cell type, the inboard of fixed cover and the position that is located the flat head outside of cross cell type are provided with the shifting ring, a plurality of sucking discs are installed to the below of shifting ring, the screw rod is installed through the bearing in the top of shifting ring.

Preferably, the fixing device further comprises a knob, and the knob is mounted above the screw rod.

Preferably, the fixing device further comprises a guide rod, and the guide rod is arranged above the moving ring and at a position on one side, away from the screw, of the cross groove-shaped flat head.

Preferably, be connected through connecting device between cross cell type flat head and the screw thread post, connecting device includes compression spring, fixture block, card hole, holding tank, inserted block and plug bush, the plug bush is installed to one side that the cross cell type flat head is close to the screw thread post, the inserted block is installed to one side that the screw thread post is close to the cross cell type flat head and is located the inboard position of plug bush, the card hole has been seted up with the corresponding position of inserted block on the plug bush, the holding tank has been seted up with the corresponding position in card hole on the inserted block, compression spring is installed to the inboard of holding tank, compression spring installs the fixture block near one side in card hole.

Preferably, the diameter of the inner side of the clamping hole is the same as the diameter of the outer side of the clamping block, and the clamping hole is in sliding connection with the clamping block.

Preferably, the shape and size of the inner side of the insert sleeve are the same as the shape and size of the outer side of the insert block.

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

1. the utility model discloses a set up fixing device for the screw can obtain certain supplementary fixed through the sucking disc in needs, thereby has reduced the screw and has appeared not hard up the possibility of phenomenon because of reasons such as external striking, and then has improved the stability of screw.

2. The utility model discloses a set up connecting device for the user can carry out the dismouting to screw post and cross cell type homalocephalus in needs, thereby can change it when certain structure appears damaging, has reduced the waste of resource, and then has improved the practicality of screw.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the fixing device of the present invention;

fig. 4 is a schematic structural diagram of the connecting device of the present invention.

In the figure: 1. a cross-slot type flat head; 2. a fixing device; 21. a moving ring; 22. a knob; 23. a screw; 24. a suction cup; 25. fixing a sleeve; 26. a guide bar; 3. a threaded post; 4. a connecting device; 41. a compression spring; 42. a clamping block; 43. a clamping hole; 44. accommodating grooves; 45. inserting a block; 46. and (4) inserting sleeves.

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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: a cross-slot flat-head screw comprises a cross-slot flat head 1, wherein a threaded column 3 is arranged below the cross-slot flat head 1, and a fixing device 2 is arranged on the outer side of the cross-slot flat head 1;

the fixing device 2 comprises a moving ring 21, a screw 23, suckers 24 and a fixing sleeve 25, the fixing sleeve 25 is installed on the outer side of the cross groove-shaped flat head 1, the moving ring 21 is arranged on the inner side of the fixing sleeve 25 and on the outer side of the cross groove-shaped flat head 1, the suckers 24 are installed below the moving ring 21, and the screw 23 is installed on the top of the moving ring 21 through a bearing.

Specifically, the fixing device 2 further comprises a knob 22, the knob 22 is arranged above the screw 23,

by adopting the technical scheme, the screw 23 is convenient for a user to operate.

Specifically, the fixing device 2 further comprises a guide rod 26, the guide rod 26 is arranged above the moving ring 21 and at the position of one side of the cross-shaped groove-shaped flat head 1 far away from the screw 23,

by adopting the technical scheme, the moving ring 21 can be guided to a certain extent.

When the screw is used, the threaded column 3 is placed at a required position when the screw is required to be used, and the cross-shaped groove-shaped flat head 1 is screwed by a tool, so that the threaded column 3 is screwed into a required structure to work; when the screw needs to be fixed in an auxiliary manner, the knob 22 in the fixing device 2 is rotated to drive the screw 23 to rotate, the screw 23 is connected with the fixing sleeve 25 through threads, so that the screw 23 drives the moving ring 21 to descend until the sucking disc 24 adsorbs the structural plane, so that auxiliary fixing is performed, and the guide rod 26 plays a role in guiding;

example 2

The present embodiment is different from embodiment 1 in that: the cross groove type flat head 1 is connected with the threaded column 3 through the connecting device 4, the connecting device 4 comprises a compression spring 41, a clamping block 42, a clamping hole 43, an accommodating groove 44, an inserting block 45 and an inserting sleeve 46, the inserting sleeve 46 is installed on one side, close to the threaded column 3, of the cross groove type flat head 1, the inserting block 45 is installed on one side, close to the cross groove type flat head 3, of the threaded column 3 and located on the inner side of the inserting sleeve 46, the clamping hole 43 is formed in the position, corresponding to the inserting block 45, of the inserting sleeve 46, the accommodating groove 44 is formed in the position, corresponding to the clamping hole 43, of the inserting block 45, the compression spring 41 is installed on the inner side of the accommodating groove 44, the clamping block 42 is installed on one side, close to the clamping hole 43, of the compression spring 41,

through adopting above-mentioned technical scheme for the user can carry out the dismouting to screw post 3 and cross cell type flat head 1 in needs, thereby can change it when certain structure appears damaging, has reduced the waste of resource.

Specifically, the diameter of the inner side of the clamping hole 43 is the same as the diameter of the outer side of the clamping block 42, the clamping hole 43 is in sliding connection with the clamping block 42,

by adopting the technical scheme, the normal matching between the clamping hole 43 and the clamping block 42 is ensured.

Specifically, the shape and size of the inside of the insert 46 is the same as the shape and size of the outside of the insert block 45,

by adopting the technical scheme, the normal matching between the plug bush 46 and the plug block 45 is ensured.

When the cross-shaped groove-shaped flat head 1 and the threaded column 3 need to be disassembled, the clamping block 42 in the connecting device 4 is pressed to be separated from the clamping hole 43 and completely enter the accommodating groove 44, then the threaded column 3 is pulled, so that the inserting block 45 is separated from the inserting sleeve 46, and the disassembling is finished; when the cross-shaped groove-shaped flat head 1 and the threaded column 3 need to be connected, the clamping block 42 is pressed to be completely inserted into the accommodating groove 44, then the inserting block 45 is inserted into the inserting sleeve 46, the clamping block 42 is gradually loosened in the inserting process, and under the action of the compression spring 41, the clamping block 42 enters the clamping hole 43 to finish the connection.

The utility model discloses a theory of operation and use flow: when the screw is needed to be used, the threaded column 3 is placed at a needed position, and then the cross groove-shaped flat head 1 is screwed by a tool, so that the threaded column 3 is screwed into a needed structure to work; when the screw needs to be fixed in an auxiliary manner, the knob 22 in the fixing device 2 is rotated to drive the screw 23 to rotate, the screw 23 is connected with the fixing sleeve 25 through threads, so that the screw 23 drives the moving ring 21 to descend until the sucking disc 24 adsorbs the structural plane, so that auxiliary fixing is performed, and the guide rod 26 plays a role in guiding; when the cross groove type flat head 1 and the threaded column 3 need to be disassembled, the clamping block 42 in the connecting device 4 is pressed to be separated from the clamping hole 43 and completely enter the accommodating groove 44, then the threaded column 3 is pulled, so that the inserting block 45 is separated from the inserting sleeve 46, and the disassembling is finished; when the cross-shaped groove-shaped flat head 1 and the threaded column 3 need to be connected, the clamping block 42 is pressed to be completely inserted into the accommodating groove 44, then the inserting block 45 is inserted into the inserting sleeve 46, the clamping block 42 is gradually loosened in the inserting process, and under the action of the compression spring 41, the clamping block 42 enters the clamping hole 43 to finish the connection.

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 cross recess homalocephalus screw, includes cross slot type homalocephalus (1), its characterized in that: a threaded column (3) is arranged below the cross groove-shaped flat head (1), and a fixing device (2) is arranged on the outer side of the cross groove-shaped flat head (1);

fixing device (2) are including shift ring (21), screw rod (23), sucking disc (24) and fixed cover (25), fixed cover (25) are installed in the outside of cross cell type flat head (1), the inboard of fixed cover (25) and the position that is located the cross cell type flat head (1) outside are provided with shift ring (21), a plurality of sucking discs (24) are installed to the below of shift ring (21), screw rod (23) are installed through the bearing in the top of shift ring (21).

2. The cross-recessed flat head screw of claim 1, wherein: the fixing device (2) further comprises a knob (22), and the knob (22) is installed above the screw rod (23).

3. The cross-recessed flat head screw of claim 1, wherein: the fixing device (2) further comprises a guide rod (26), and the guide rod (26) is arranged above the moving ring (21) and at a position on one side, away from the screw rod (23), of the cross groove type flat head (1).

4. The cross-recessed flat head screw of claim 1, wherein: the cross groove-shaped flat head (1) is connected with the threaded column (3) through a connecting device (4), the connecting device (4) comprises a compression spring (41), a clamping block (42), a clamping hole (43), an accommodating groove (44), an inserting block (45) and an inserting sleeve (46), one side of the cross groove type flat head (1) close to the threaded column (3) is provided with an inserting sleeve (46), an inserting block (45) is arranged at one side of the threaded column (3) close to the cross groove-shaped flat head (1) and at the position on the inner side of the inserting sleeve (46), a clamping hole (43) is arranged on the plug bush (46) corresponding to the plug block (45), the inserting block (45) is provided with an accommodating groove (44) at the position corresponding to the clamping hole (43), compression spring (41) are installed to the inboard of holding tank (44), fixture block (42) are installed to one side that compression spring (41) are close to card hole (43).

5. The cross-recessed flat head screw of claim 4, wherein: the size of the diameter of the inner side of the clamping hole (43) is the same as the size of the diameter of the outer side of the clamping block (42), and the clamping hole (43) is connected with the clamping block (42) in a sliding mode.

6. The cross-recessed flat head screw of claim 4, wherein: the shape and size of the inner side of the plug bush (46) are the same as those of the outer side of the plug block (45).