CN215333871U - Stable self tapping screw who closes soon - Google Patents
Stable self tapping screw who closes soon Download PDFInfo
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- CN215333871U CN215333871U CN202120143195.0U CN202120143195U CN215333871U CN 215333871 U CN215333871 U CN 215333871U CN 202120143195 U CN202120143195 U CN 202120143195U CN 215333871 U CN215333871 U CN 215333871U
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- fixture block
- stabilizing ring
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Abstract
The utility model discloses a stable screwing self-tapping screw which comprises a screw head and a screw rod, wherein one end of the screw rod is fixedly connected with the screw head, a stabilizing ring is sleeved on the screw rod and is in threaded connection with the screw rod, one end of the stabilizing ring, which is far away from the screw head, is fixedly connected with a taper nail, one end of the stabilizing ring, which is close to the screw head, is provided with a plurality of slots distributed in a circular shape, wedge-shaped clamping blocks are inserted in the slots in a sliding manner, springs are arranged between the wedge-shaped clamping blocks and the inner side walls of the slots, two ends of the springs are respectively abutted against the inner side walls of the slots and the wedge-shaped clamping blocks, sliding blocks are fixedly connected onto the side walls of the wedge-shaped clamping blocks, sliding grooves corresponding to the sliding blocks are formed in the inner side walls of the slots, and one ends, which are far away from the wedge-shaped clamping blocks, of the sliding blocks extend into the sliding grooves. The utility model improves the stability of the self-tapping screw when screwing, prevents the self-tapping screw from deflecting and prevents the self-tapping screw from loosening by the arrangement of the clamping and the stabilizing ring.
Description
Technical Field
The utility model relates to the technical field of self-tapping screws, in particular to a self-tapping screw capable of being screwed stably.
Background
The self-tapping screw is generally pointed, coarse, hard wood screw, aluminum alloy and plastic. One particular self-tapping screw for tapping metal holes is known as a tap. The self-tapping screw is used for nonmetal or softer metal, and bottom holes and tapping are not needed; the self-tapping screw is pointed, so that self-tapping can be realized; the common screws are flat-headed and consistent in thickness. The self-tapping screw is: the drilled hole is a hole without tapping, the used screw is different from the general screw, the head is sharp, the tooth pitch is larger, the screw is in a point-like manner with a chipless screw tap, the screw can be directly screwed in without tapping, and the method is usually used for metal and plastic. It can be used to "tap-drill, extrude and press" the solidified body into corresponding screw threads on the solidified material by means of its self screw threads, so that they are mutually tightly matched.
Because self tapping screw closes the angle difference soon, self tapping screw receives stress can change, to the high connection structure of required precision, need guarantee that self tapping screw closes soon corresponding the stable spiral of angle and closes, and traditional self tapping screw does not set up stable structure mostly, has the stability poor that closes soon, and in the in-service use process, self tapping screw can appear the condition of skew when closing soon to reduce fixed effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that most of traditional self-tapping screws are not provided with a stable structure, the screwing stability is poor, and the self-tapping screws are often deflected in the screwing process in the actual use process, so that the fixing effect is reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a stable screwing self-tapping screw comprises a screw head and a screw rod, wherein one end of the screw rod is fixedly connected with the screw head, the screw rod is sleeved with a stabilizing ring, the stabilizing ring is in threaded connection with the screw rod, one end of the stabilizing ring, far away from the screw head, is fixedly connected with a conical nail, one end of the stabilizing ring close to the screw head is provided with a plurality of slots which are distributed in a circular shape, wedge-shaped fixture blocks are inserted in the slots in a sliding way, a spring is arranged between the wedge-shaped fixture block and the inner side wall of the slot, two ends of the spring are respectively propped against the inner side wall of the slot and the wedge-shaped fixture block, the side wall of the wedge-shaped fixture block is fixedly connected with a slide block, the inner side wall of the slot is provided with a slide groove corresponding to the slide block, one end, far away from the wedge-shaped fixture block, of the sliding block extends into the sliding groove, a clamping groove corresponding to the wedge-shaped fixture block is formed in one side, close to the stabilizing ring, of the screw head, and the wedge-shaped end of the wedge-shaped fixture block extends into the clamping groove.
Preferably, the side wall of the wedge-shaped fixture block is provided with a first groove, the first groove is rotatably connected with a first ball, and the first ball is abutted to the inner side wall of the slot.
Preferably, one end, far away from the screw head, of the wedge-shaped fixture block is slidably inserted with a slide bar, and one end, far away from the wedge-shaped fixture block, of the slide bar is fixedly connected with the inner side wall of the slot.
Preferably, a second groove is formed in the side wall of the sliding block, a second ball is connected to the second groove in a rotating mode, and the second ball abuts against the inner side wall of the sliding groove.
Preferably, the cover is equipped with the rubber circle on the screw rod, one side and the screw head of rubber circle offset.
Preferably, the number of the conical nails is multiple.
Has the advantages that:
1. when in use, the stabilizing ring is firstly attached to the surface of an object, then the stabilizing ring is knocked to knock the conical nail into the object to prevent the stabilizing ring from loosening, then the screw rod is inserted into the stabilizing ring, the screw rod is screwed into the object through the effect of thread meshing with the stabilizing ring, so that the stability of the screw rod when screwed in is improved, the screw rod is prevented from deviating when screwed in, when the screw head is about to be abutted against the stabilizing ring, the screw head is abutted against the wedge-shaped surface of the wedge-shaped fixture block to drive the wedge-shaped fixture block to move towards the slot, when the screw head is abutted against the stabilizing ring, the wedge-shaped fixture block is pushed to move into the slot through the restoring force of the spring to prevent the screw head from loosening, meanwhile, the wedge-shaped fixture block is driven to move to prevent the wedge-shaped fixture block from being separated from the slot through the slide block, the stability of the self-tapping screwing is improved through the arrangement of the clamping and the stabilizing ring, and the self-tapping screw is prevented from deviating, and prevent the self-tapping screw from loosening;
2. through the setting of first ball, can reduce the resistance when wedge type fixture block removes, through the setting of slide bar, can improve the stability when wedge type fixture block removes, through the setting of second ball, can reduce the resistance when the slider removes, through the setting of rubber circle, can improve the fastening nature between screw head and the stabilizing ring, through the setting of a plurality of awl nails, can further prevent that the stabilizing ring is not hard up.
Drawings
FIG. 1 is a schematic structural view of a self-tapping screw with stable screwing according to the present invention;
FIG. 2 is a schematic structural view of a stable screwing self-tapping screw at the position A according to the present invention;
FIG. 3 is a side view of a self-tapping screw stabilizing ring of the present invention.
In the figure: 1-screw head, 2-wedge-shaped fixture block, 3-stabilizing ring, 4-conical screw, 5-screw, 6-sliding rod, 7-spring and 8-sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a stable screwing self-tapping screw comprises a screw head 1 and a screw rod 5, one end of the screw rod 5 is fixedly connected with the screw head 1, a rubber ring is sleeved on the screw rod 5 and used for improving the tightness between the screw head 1 and a stabilizing ring 3, one side of the rubber ring is abutted against the screw head 1, the screw rod 5 is sleeved with the stabilizing ring 3 and used for improving the stability of the screw rod 5 when the screw rod 5 is screwed into an object, the stabilizing ring 3 is in threaded connection with the screw rod 5, one end of the stabilizing ring 3, which is far away from the screw head 1, is fixedly connected with a conical nail 4 and used for preventing the stabilizing ring 3 from loosening, and the number of the conical nails 4 is multiple and used for further preventing the stabilizing ring from loosening;
in this embodiment, a plurality of slots distributed in a circular shape are arranged at one end of the stabilizing ring 3 close to the screw head 1, a wedge-shaped fixture block 2 is inserted in the slots in a sliding manner, and is used for preventing the screw head 1 from loosening and preventing the screw head 1 from loosening, a first groove is arranged on the side wall of the wedge-shaped fixture block 2, the first groove is rotatably connected with a first ball, and is used for reducing the resistance when the wedge-shaped fixture block 2 moves, and the first ball abuts against the inner side wall of the slot;
in the embodiment, a spring 7 is arranged between the wedge-shaped fixture block 2 and the inner side wall of the slot and used for driving the wedge-shaped fixture block 2 to move into the slot, two ends of the spring 7 are respectively abutted against the inner side wall of the slot and the wedge-shaped fixture block 2, a slide bar 6 is inserted into one end, away from the screw head 1, of the wedge-shaped fixture block 2 in a sliding manner and used for improving the stability of the wedge-shaped fixture block 2 during movement, and one end, away from the wedge-shaped fixture block 2, of the slide bar 6 is fixedly connected with the inner side wall of the slot;
in this embodiment, a sliding block 8 is fixedly connected to a side wall of the wedge-shaped fixture block 2 and used for preventing the wedge-shaped fixture block 2 from falling off from the slot, a sliding slot corresponding to the sliding block 8 is formed in the inner side wall of the slot, one end, far away from the wedge-shaped fixture block 2, of the sliding block 8 extends into the sliding slot, a second groove is formed in the side wall of the sliding block 8, a second ball is rotatably connected to the second groove and used for reducing resistance when the sliding block 8 moves, the second ball abuts against the inner side wall of the sliding slot, a clamping slot corresponding to the wedge-shaped fixture block 2 is formed in one side, close to the stabilizing ring 3, of the screw head 1, and the wedge-shaped end of the wedge-shaped fixture block 2 extends into the clamping slot;
in the embodiment, firstly, the stabilizing ring 3 is attached to the surface of an object, then the stabilizing ring 3 is knocked to knock the conical nail 4 into the object, the stabilizing ring 3 is prevented from loosening, then the screw rod 5 is inserted into the stabilizing ring 3, the screw rod 5 is screwed into the object through the thread meshing effect of the stabilizing ring 3, so that the stability of the screw rod 3 during screwing is improved, the screw rod 3 is prevented from deflecting during screwing, when the screw head 1 is about to abut against the stabilizing ring 3, the screw head 1 abuts against the wedge-shaped surface of the wedge-shaped fixture block 2 to drive the wedge-shaped fixture block 2 to move towards the slot, when the screw head 1 abuts against the stabilizing ring 3, the wedge-shaped fixture block 2 is pushed to move into the slot through the restoring force of the spring 7, the screw head 1 is prevented from loosening, meanwhile, the slide block 8 is driven to move when the wedge-shaped fixture block 2 moves, and the wedge-shaped fixture block 2 can be prevented from being separated from the slot through the slide block 8, through the arrangement of the clamping and the stabilizing ring, the stability of the self-tapping screw during screwing is improved, the self-tapping screw is prevented from deflecting, and the self-tapping screw is prevented from loosening.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a stabilize self tapping screw of closing soon, includes screw head (1) and screw rod (5), its characterized in that: the one end and the screw head (1) fixed connection of screw rod (5), the cover is equipped with stabilizing ring (3) on screw rod (5), be threaded connection between stabilizing ring (3) and screw rod (5), the one end fixedly connected with taper nail (4) that screw head (1) was kept away from in stabilizing ring (3), the one end that stabilizing ring (3) is close to screw head (1) is equipped with a plurality of slots that are circular distribution, it is equipped with wedge type fixture block (2) to slide in the slot, be equipped with spring (7) between wedge type fixture block (2) and the slot inside wall, the both ends of spring (7) respectively with slot inside wall, wedge type fixture block (2) offset, fixedly connected with slider (8) on the lateral wall of wedge type fixture block (2), be equipped with the spout corresponding with slider (8) on the slot inside wall, the one end that wedge type fixture block (2) was kept away from in slider (8) extends to in the spout, one side of the screw head (1) close to the stabilizing ring (3) is provided with a clamping groove corresponding to the wedge-shaped clamping block (2), and the wedge-shaped end of the wedge-shaped clamping block (2) extends into the clamping groove.
2. A thread forming screw of claim 1, wherein: the wedge-shaped fixture block is characterized in that a first groove is formed in the side wall of the wedge-shaped fixture block (2), a first ball is rotatably connected to the first groove, and the first ball abuts against the inner side wall of the slot.
3. A thread forming screw of claim 1, wherein: one end, far away from screw head (1), of wedge type fixture block (2) slides and inserts and is equipped with slide bar (6), the one end and the slot inside wall fixed connection of wedge type fixture block (2) are kept away from in slide bar (6).
4. A thread forming screw of claim 1, wherein: and a second groove is formed in the side wall of the sliding block (8), a second ball is rotationally connected in the second groove, and the second ball is abutted to the inner side wall of the sliding groove.
5. A thread forming screw of claim 1, wherein: the rubber ring is sleeved on the screw rod (5), and one side of the rubber ring is abutted to the screw head (1).
6. A thread forming screw of claim 1, wherein: the number of the conical nails (4) is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143195.0U CN215333871U (en) | 2021-01-20 | 2021-01-20 | Stable self tapping screw who closes soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143195.0U CN215333871U (en) | 2021-01-20 | 2021-01-20 | Stable self tapping screw who closes soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333871U true CN215333871U (en) | 2021-12-28 |
Family
ID=79579118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120143195.0U Active CN215333871U (en) | 2021-01-20 | 2021-01-20 | Stable self tapping screw who closes soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333871U (en) |
-
2021
- 2021-01-20 CN CN202120143195.0U patent/CN215333871U/en active Active
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