CN214063498U - Self-drilling screw - Google Patents
Self-drilling screw Download PDFInfo
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- CN214063498U CN214063498U CN202022524301.8U CN202022524301U CN214063498U CN 214063498 U CN214063498 U CN 214063498U CN 202022524301 U CN202022524301 U CN 202022524301U CN 214063498 U CN214063498 U CN 214063498U
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Abstract
The utility model discloses a self-drilling screw belongs to fastener technical field, and its technical scheme main points are that the screw includes screw rod and nut, screw rod and nut integrated into one piece, the nut is equipped with the push pedal and opens and have the gliding first recess of confession push pedal, the screw rod be equipped with push pedal fixed connection's connecting rod and open have with connecting rod complex first logical groove, first logical groove and first recess intercommunication, the screw rod still is equipped with on being fixed in the screw rod and rotatable spiral shell head, the connecting rod rotates with the spiral shell head to be connected, the utility model aims to provide a fixed connection between screw itself and the object can also be consolidated to the connection that makes self-drilling screw fix between the object simultaneously.
Description
Technical Field
The utility model relates to a fastener technical field, more specifically say, it relates to a brill tail screw.
Background
The screw is a tool for fastening machine parts of the device 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 common fastener and is widely used on machinery, electrical appliances and buildings, the self-drilling screw is a new invention of people in recent years, the tail part of the self-drilling screw is in a self-drilling or pointed tail shape, auxiliary processing is not needed, and the self-drilling screw can be directly used for drilling, tapping and locking on setting materials and base materials, so that the construction time is greatly saved, and the self-drilling screw has higher drawing force and holding force compared with a common screw;
but when present brill tail screw is being bored and is being fastened the article in the article that needs the fastening, thereby only rely on the screw thread on the brill tail screw and the direct conflict of object to realize being connected or fixed to the object, the connected mode is comparatively simple, when receiving vibration or other external forces, can make brill tail screw slide out in the article that bores, makes the article that needs the fastening have dangerous factor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a make the connection between the fixed object of brill tail screw can also consolidate the fixed connection between screw itself and the object simultaneously.
In order to achieve the above purpose, the utility model provides a following technical scheme: a self-drilling screw is characterized in that: the screw includes screw rod and nut, screw rod and nut integrated into one piece, and the nut is equipped with the push pedal and opens and have the gliding first recess of confession push pedal, and the screw rod is equipped with the connecting rod with push pedal fixed connection and opens and have the first logical groove with connecting rod complex, first logical groove and first recess intercommunication, and the screw rod still is equipped with and is fixed in on the screw rod and rotatable spiral shell head, and the connecting rod rotates with spiral shell head to be connected.
The further scheme is as follows: the screw rod is provided with a connecting column, and the screw head is provided with a connecting cavity matched with the connecting column.
The further scheme is as follows: the spiral shell head is opened there is the second recess, is equipped with the fixed column that is fixed in the second recess, and the connecting rod is opened has the second that leads to the groove with the fixed column adaptation.
The further scheme is as follows: the push plate is provided with a pull ring and is provided with a third groove matched with the pull ring, the pull ring is provided with a rotating column, and a rotating groove matched with the rotating column is formed in the third groove.
The further scheme is as follows: the third groove is provided with an arc-shaped gap.
The further scheme is as follows: the nut is provided with a U-shaped rod and is provided with a third through groove matched with the U-shaped rod, and the U-shaped rod is abutted to the push plate.
Through adopting above-mentioned technical scheme, when the screw changes over into the object that needs the fastening, promote the push pedal and make the push pedal pass through the connecting rod and drive the spiral shell head and rotate, the pivoted spiral shell head will stretch out the screw scope and more deepen change over into the object in, increased the resistance that the screw rolled out the object, make the connection of screw and object more stable firm.
Drawings
FIG. 1 is a front view of a screw;
FIG. 2 is a side view of the screw;
FIG. 3 is a schematic top view of the screw;
FIG. 4 is a cross-sectional structural view of a screw;
FIG. 5 is a schematic sectional view of the push plate pressed by the screw;
FIG. 6 is a schematic cross-sectional view of a stud post;
FIG. 7 is a schematic cross-sectional view of the internal fixation column of the screw head;
FIG. 8 is a cross-sectional structural view of a tab;
FIG. 9 is a side cross-sectional structural view of the U-shaped bar;
in the figure: 1. a screw; 2. a nut; 3. pushing the plate; 4. a first groove; 5. a connecting rod; 6. a first through groove; 7. a screw head; 8. connecting columns; 9. a connecting cavity; 10. a second groove; 11. fixing a column; 12. a second through groove; 13. a pull ring; 14. a third groove; 15. rotating the column; 16. rotating the groove; 17. an arc-shaped notch; 18. a U-shaped rod; 19. and a third through groove.
Detailed Description
An embodiment of a self-drilling screw according to the present invention is further described with reference to fig. 1 to 9.
A self-drilling screw is characterized in that: the screw includes screw rod 1 and nut 2, screw rod 1 and 2 integrated into one piece of nut, and nut 2 is equipped with push pedal 3 and opens and has the gliding first recess 4 of confession push pedal 3, and screw rod 1 is equipped with and pushes away 3 fixed connection's connecting rod 5 and opens and have and lead to groove 6 with connecting rod 5 complex, and first logical groove 6 and first recess 4 intercommunication, screw rod 1 still are equipped with and are fixed in on screw rod 1 and rotatable spiral shell head 7, and connecting rod 5 rotates with spiral shell head 7 to be connected.
The self-drilling screw comprises a screw rod 1, a screw cap 2 and a screw head 7, wherein the screw rod 1 and the screw cap 2 are integrally formed, the screw cap 2 is provided with a push plate 3, the screw cap 2 can be provided with a first groove 4 matched with the push plate 3 in size, the push plate 3 can be in the same size and shape with the opening of the first groove 4, so that the first groove 4 is blocked by the push plate 3, the push plate 3 can also be arranged in the first groove 4 to slide up and down relative to the screw cap 2, the screw rod 1 is internally provided with a first through groove 6, the first through groove 6 is communicated with the first groove 4, the first through groove 6 is internally provided with a connecting rod 5, the connecting rod 5 can be arranged in the first through groove 6 to slide up and down, one end of the connecting rod 5 can extend into the first groove 4 and is welded and fixed with the push plate 3, when the push plate 3 is arranged in the first groove 4 to move, the connecting rod 5 can be driven to be arranged in the first through groove 6 to slide, the end part of the screw rod 1 is connected with the screw head 7, the screw head 7 is fixed on the screw rod 1 and can rotate relative to the screw rod 1, the other end of connecting rod 5 stretches out first logical groove 6 and rotates with spiral shell head 7 to be connected, can drive spiral shell head 7 when connecting rod 5 removes and rotate for screw rod 1, pivoted spiral shell head 7 can stretch out to screw rod 1 side direction, it is internal to make the direction card that spiral shell head 7 has traded go into the object, make the unable rotation of screw, from this when the screw receives external force, the screw still can be stable be fixed in inside the object, spiral shell head 7 can be two, two spiral shell heads 7 can extend towards opposite direction, make the screw to the card of object go into more high-efficient stable.
The screw rod 1 is provided with a connecting column 8, and the screw head 7 is provided with a connecting cavity 9 matched with the connecting column 8.
The spliced pole 8 can be for the section is the cylinder of T style of calligraphy, and the bottom of T style of calligraphy cylinder can weld to be fixed in on the screw rod 1, can open on the spiral shell head 7 with spliced pole 8 size and shape adaptation be connected the cavity 9, the spliced pole 8 arrange in connect the cavity 9 in can rotate relatively and can not roll out outside connecting the cavity 9 for spiral shell head 7 can rotate for screw rod 1, make spiral shell head 7 stretch out the realization to the further fixed of screw.
The spiral shell head 7 is opened and is had second recess 10, is equipped with the fixed column 11 that is fixed in the second recess 10, and connecting rod 5 is opened and is had the second that leads to groove 12 with fixed column 11 adaptation.
The push plate 3 is provided with a pull ring 13 and a third groove 14 matched with the pull ring 13, the pull ring 13 is provided with a rotating column 15, and a rotating groove 16 matched with the rotating column 15 is formed in the third groove 14.
The outward side of the push plate 3 can be provided with a semi-circular rod-shaped pull ring 13, the push plate 3 can be further provided with a third groove 14 matched with the pull ring 13, when the pull ring 13 is arranged in the third groove 14, any part of the pull ring 13 cannot extend out of the third groove 14 to influence the work of the screw, two ends of the pull ring 13 can be respectively provided with a rotating column 15, the inner wall of the third groove 14 and the rotating column 15 of the pull ring 13 can be provided with a rotating groove 16, the rotating column 15 is arranged in the rotating groove 16 to enable the pull ring 13 to be fixed on the push plate 3 and to rotate relative to the push plate 3, when the screw is rotated into an object, the screw head 7 is also opened, and by pulling the pull ring 13, the screw head 7 can be returned to the original state, and the screw can be conveniently rotated out.
The third groove 14 is provided with an arc-shaped notch 17.
An arc-shaped notch 17 can be formed at one opening of the third groove 14, and the pull ring 13 in the third groove 14 can be pulled out from the third groove 14 more simply and conveniently through the arc-shaped notch 17, so that the follow-up control on the pull ring 13 is realized.
The nut 2 is provided with a U-shaped rod 18 and is provided with a third through groove 19 matched with the U-shaped rod 18, and the U-shaped rod 18 is abutted against the push plate 3.
Third tee bend groove 19 can be opened on nut 2 goes up the lateral wall of first recess 4, two openings of third tee bend groove 19 can communicate with 2 tops of nut and first recess 4 respectively, the third tee bend groove 19 is arranged in to the U type post, the one end of U type post can stretch out and contradict with push pedal 3 by the opening with first recess 4 intercommunication, the other end of U type post can stretch to 2 tops of nut, whether the steerable U type post on 2 tops of nut is inconsistent with push pedal 3 through rotating, when the U type post is inconsistent with push pedal 3, can prevent push pedal 3 from removing, should make spiral shell head 7 can not rotate because of external force, when the U type post changes over to third tee bend groove 19 in, can promote push pedal 3 and make spiral shell head 7 rotate.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (6)
1. A self-drilling screw is characterized in that: the screw includes screw rod and nut, screw rod and nut integrated into one piece, and the nut is equipped with the push pedal and opens and have the gliding first recess of confession push pedal, and the screw rod is equipped with the connecting rod with push pedal fixed connection and opens and have the first logical groove with connecting rod complex, first logical groove and first recess intercommunication, and the screw rod still is equipped with and is fixed in on the screw rod and rotatable spiral shell head, and the connecting rod rotates with spiral shell head to be connected.
2. The self-drilling screw of claim 1, wherein: the screw is provided with a connecting column, and a connecting cavity matched with the connecting column is formed in the head of the screw.
3. The self-drilling screw of claim 2, wherein: the spiral shell head is opened there is the second recess, is equipped with the fixed column that is fixed in the second recess, and the connecting rod is opened has the second that leads to the groove with the fixed column adaptation.
4. The self-drilling screw of claim 1, wherein: the push plate is provided with a pull ring and is provided with a third groove matched with the pull ring, the pull ring is provided with a rotating column, and a rotating groove matched with the rotating column is formed in the third groove.
5. The self-drilling screw of claim 4, wherein: the third groove is provided with an arc-shaped notch.
6. The self-drilling screw of claim 1, wherein: the nut is equipped with U type pole and opens and have and U type pole complex third tee bend groove, and U type pole is contradicted with the push pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022524301.8U CN214063498U (en) | 2020-11-04 | 2020-11-04 | Self-drilling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022524301.8U CN214063498U (en) | 2020-11-04 | 2020-11-04 | Self-drilling screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214063498U true CN214063498U (en) | 2021-08-27 |
Family
ID=77400572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022524301.8U Active CN214063498U (en) | 2020-11-04 | 2020-11-04 | Self-drilling screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214063498U (en) |
-
2020
- 2020-11-04 CN CN202022524301.8U patent/CN214063498U/en active Active
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| GR01 | Patent grant |