CN212717576U - Self-locking socket head cap screw - Google Patents
Self-locking socket head cap screw Download PDFInfo
- Publication number
- CN212717576U CN212717576U CN202021341991.7U CN202021341991U CN212717576U CN 212717576 U CN212717576 U CN 212717576U CN 202021341991 U CN202021341991 U CN 202021341991U CN 212717576 U CN212717576 U CN 212717576U
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- wall
- nut
- screw
- head cap
- socket head
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Abstract
The utility model relates to a fastener technical field among the machine part, and a hexagon screw in auto-lock is disclosed, including nut, double-screw bolt, the bottom at nut middle part and the top fixed connection of double-screw bolt, first external screw thread has been seted up to the outer wall of double-screw bolt, the arc channel has been seted up to the inner wall of nut, the inner wall of arc channel and the outer wall contact at circular slab edge, circular notch has been seted up at the top at circular slab middle part, the inside of circular notch is provided with the nut, the outer wall of nut and the inner wall fixed connection of circular notch, first thread groove has been seted up to the bottom of circular slab left end. This auto-lock hexagon socket head cap screw possesses good reliable circumference spacing through nylon gasket self, can avoid appearing beating the phenomenon of changeing, and the nylon gasket has good fatigue resistance and frictional behavior under high vibration environment to make hexagon socket head cap screw play certain locking effect.
Description
Technical Field
The utility model relates to a fastener technical field specifically is a self-locking hexagon socket head cap screw among the machine part.
Background
The socket head cap screw is one of the hole type screws. The socket head cap screws are similar to the countersunk head screws. They are commonly used on a variety of machine tools and their accessories, the socket set screw being a full thread screw with a special end for supporting the parts to be joined. The existing socket head cap screw can slip when in use, thereby causing the locking purpose to be not reached.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hexagonal screw in auto-lock solves current hexagonal screw in and can appear skidding the phenomenon when using to lead to the problem that can not reach the lock.
In order to achieve the above object, the utility model provides a following technical scheme: a self-locking socket head cap screw comprises a screw cap and a stud, wherein the bottom of the middle part of the screw cap is fixedly connected with the top of the stud, the outer wall of the stud is provided with a first external thread, the inner wall of the screw cap is provided with an arc-shaped channel, the inner wall of the arc-shaped channel is contacted with the outer wall of the edge of a circular sheet, the top of the middle part of the circular sheet is provided with a circular notch, the inside of the circular notch is provided with a nut, the outer wall of the nut is fixedly connected with the inner wall of the circular notch, the bottom of the left end of the circular sheet is provided with a first thread groove, the thread of the inner wall of the first thread groove is in threaded connection with a second external thread arranged on the outer wall of the top end of a first connecting block, the bottom of the first connecting block penetrates through the bottom of the inner wall of the screw cap and, the third external screw thread that the screw thread and the outer wall on second connecting block top of second thread groove inner wall were seted up carries out threaded connection, the bottom of the bottom through nut inner wall of second connecting block extend to with the top fixed connection on nylon gasket right-hand member, nylon gasket cover is established on the outer wall on double-screw bolt top, the outer wall cover of nylon gasket is equipped with the rubber circle, the top of rubber circle and the bottom fixed connection of nut.
Preferably, the bottom end of the stud is in a flat-head shape or a pointed shape.
Preferably, the height of the arc-shaped channel is matched with the thickness of the circular plate, and the arc-shaped channel and the circular plate are concentric.
Preferably, the height of the nut is one half of the height of the circular notch.
Preferably, the top of the nylon washer is in contact with the bottom of the nut.
Preferably, the bottom of the inner wall of the screw cap is provided with a through hole matched with the first connecting block and the second connecting block, and the first connecting block is the same as the second connecting block in size and shape.
Preferably, the height of the rubber ring is two thirds of the height of the nylon gasket.
The utility model provides a self-locking socket head cap screw. The self-locking socket head cap screw has the following beneficial effects:
this auto-lock hexagon socket head cap screw possesses good reliable circumference spacing through nylon gasket self, can avoid appearing beating the phenomenon of changeing, and the nylon gasket has good fatigue resistance and frictional behavior under high vibration environment to make hexagon socket head cap screw play certain locking effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the nut of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
fig. 4 is an enlarged schematic view of the position B of the present invention.
In the figure: the connecting structure comprises a nut 1, a stud 2, a nylon gasket 3, a rubber ring 4, an arc-shaped channel 5, a first external thread 6, a circular plate 7, a circular notch 8, a nut 9, a first thread groove 10, a first connecting block 11, a second external thread 12, a second thread groove 13, a second connecting block 14 and a third external thread 15.
Detailed Description
As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a self-locking socket head cap screw, including nut 1, double-screw bolt 2, the bottom at 1 middle part of nut and the top fixed connection of double-screw bolt 2, the shape of 2 bottoms of double-screw bolt is the flat head shape, or be the tip shape, first external screw thread 6 has been seted up to the outer wall of double-screw bolt 2, arc channel 5 has been seted up to nut 1's inner wall, the inner wall of arc channel 5 and the outer wall contact at circular slab 7 edge, the height of arc channel 5 and the thickness looks adaptation of circular slab 7, and this arc channel 5 and circular slab 7 are concentric, circular notch 8 has been seted up at the top at circular slab 7 middle part, the inside of circular notch 8 is provided with nut 9, the outer wall of nut 9 and the inner wall fixed connection of circular notch 8, the height of nut 9 is the half of circular notch 8 height, it is rotatory to nut 9 through the screwdriver, thereby make circular slab 7 rotate, can make the second external screw thread 12 and the first thread groove 10 The screw thread of the inner wall is separated, and simultaneously the third external screw thread 15 at the top end of the second connecting block 14 is separated from the screw thread at the inner wall of the second screw groove 13, finally the nylon gasket 3 can be separated from the stud 2, the bottom of the left end of the circular plate 7 is provided with the first screw groove 10, the screw thread of the inner wall of the first screw groove 10 is in screw thread connection with the second external screw thread 12 arranged on the outer wall at the top end of the first connecting block 11, the bottom end of the first connecting block 11 penetrates through the bottom of the inner wall of the nut 1 and extends to be fixedly connected with the top of the left end of the nylon gasket 3, the bottom of the inner wall of the nut 1 is provided with a through hole matched with the first connecting block 11, the size and the shape of the first connecting block 11 are the same as those of the second connecting block 14, the shape of the first connecting block 11 is cylindrical, the bottom of the right end of the circular plate 7 is provided with the second screw groove 13, the screw thread of the inner wall of the second screw thread, the bottom end of the second connecting block 14 extends to the top part fixedly connected with the right end of the nylon gasket 3 through the bottom part of the inner wall of the screw cap 1, the bottom part of the inner wall of the screw cap 1 is provided with a through hole matched with the second connecting block 14, the second connecting block 14 is cylindrical, the nylon gasket 3 is sleeved on the outer wall of the top end of the stud 2, the top part of the nylon gasket 3 is contacted with the bottom part of the screw cap 1, the nylon gasket 3 has good and reliable circumferential limit and can avoid the phenomenon of rotation, the nylon gasket 3 has good fatigue resistance and friction performance under a high vibration environment, so that the hexagon socket head cap screw has a certain locking effect, the outer wall of the nylon gasket 3 is sleeved with a rubber ring 4, the height of the rubber ring 4 is two thirds of the height of the nylon gasket 3, the outer wall of the nylon gasket 3 can be protected by the arranged rubber ring 4, and a vibration damping effect, the top of the rubber ring 4 is fixedly connected with the bottom of the screw cap 1.
This hexagonal screw in auto-lock is when using, it can make nut 1 rotate to rotate nut 1 through screwdriver instrument, rotation through nut 1 will drive double-screw bolt 2 and rotate, double-screw bolt 2 will be rotatory on one side, while moving down, the top contact of the bottom and the required part of screwing up of nylon gasket 3, because nylon gasket 3 self has good reliable circumference spacing, can avoid appearing beating the commentaries on classics phenomenon, and nylon gasket 3 has good fatigue resistance ability and frictional behavior under high vibration environment, thereby make the hexagonal screw in play certain locking effect.
To sum up, through nylon gasket 3 self possess good reliable circumference spacing, can avoid appearing beating the phenomenon of changeing, and nylon gasket 3 has good fatigue resistance and frictional behavior under high vibration environment to make the allen key play certain locking effect.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (7)
1. The utility model provides a self-locking socket head cap screw, includes nut (1), double-screw bolt (2), its characterized in that: the bottom of the middle part of the nut (1) is fixedly connected with the top of the stud (2), first external threads (6) are arranged on the outer wall of the stud (2), an arc-shaped channel (5) is arranged on the inner wall of the nut (1), the inner wall of the arc-shaped channel (5) is contacted with the outer wall of the edge of the circular sheet (7), a circular notch (8) is arranged on the top of the middle part of the circular sheet (7), a nut (9) is arranged inside the circular notch (8), the outer wall of the nut (9) is fixedly connected with the inner wall of the circular notch (8), a first thread groove (10) is arranged at the bottom of the left end of the circular sheet (7), the threads of the inner wall of the first thread groove (10) are in threaded connection with second external threads (12) arranged on the outer wall of the top end of the first connecting block (11), and the bottom end of the first connecting block (11) penetrates through the bottom of the inner wall of the nut (1) and extends to be fixedly connected with, second thread groove (13) have been seted up to the bottom of circular slab (7) right-hand member, the screw thread of second thread groove (13) inner wall carries out threaded connection with third external screw thread (15) that the outer wall on second connecting block (14) top was seted up, the bottom of the bottom run-through nut (1) inner wall of second connecting block (14) extends to the top fixed connection with nylon gasket (3) right-hand member, nylon gasket (3) cover is established on the outer wall on double-screw bolt (2) top, the outer wall cover of nylon gasket (3) is equipped with rubber circle (4), the top of rubber circle (4) and the bottom fixed connection of nut (1).
2. The self-locking socket head cap screw of claim 1, wherein: the bottom end of the stud (2) is in a flat head shape or a pointed head shape.
3. The self-locking socket head cap screw of claim 1, wherein: the height of the arc-shaped channel (5) is matched with the thickness of the circular plate (7), and the arc-shaped channel (5) and the circular plate (7) are concentric.
4. The self-locking socket head cap screw of claim 1, wherein: the height of the nut (9) is half of the height of the circular notch (8).
5. The self-locking socket head cap screw of claim 1, wherein: the top of the nylon gasket (3) is contacted with the bottom of the nut (1).
6. The self-locking socket head cap screw of claim 1, wherein: the bottom of nut (1) inner wall is seted up with the opening of first connecting block (11), second connecting block (14) looks adaptation, the big or small shape of first connecting block (11) is the same with the big or small shape of second connecting block (14).
7. The self-locking socket head cap screw of claim 1, wherein: the height of the rubber ring (4) is two thirds of the height of the nylon gasket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021341991.7U CN212717576U (en) | 2020-07-09 | 2020-07-09 | Self-locking socket head cap screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021341991.7U CN212717576U (en) | 2020-07-09 | 2020-07-09 | Self-locking socket head cap screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717576U true CN212717576U (en) | 2021-03-16 |
Family
ID=74978316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021341991.7U Active CN212717576U (en) | 2020-07-09 | 2020-07-09 | Self-locking socket head cap screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717576U (en) |
-
2020
- 2020-07-09 CN CN202021341991.7U patent/CN212717576U/en active Active
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