CN211901233U - Dustproof self-locking nut assembly - Google Patents
Dustproof self-locking nut assembly Download PDFInfo
- Publication number
- CN211901233U CN211901233U CN202020330914.5U CN202020330914U CN211901233U CN 211901233 U CN211901233 U CN 211901233U CN 202020330914 U CN202020330914 U CN 202020330914U CN 211901233 U CN211901233 U CN 211901233U
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- nut
- cover plate
- hole
- surrounding edge
- annular
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Abstract
The utility model relates to a dustproof auto-lock nut assembly, locate the shield of the hole top port of nut including nut and lid, the hole of nut has the screw hole, the shield include the disc cover plate, the outward flange axial extension of disc cover plate has the surrounding edge, the disc cover plate is located the surrounding edge internal diameter side and is equipped with axial extension and is good at the elasticity barb dop of surrounding edge, it has a plurality of elasticity barb dops to distribute along circumference on the disc cover plate, the top axial extension of nut has the cup jointing shell of tube-shape, the hole of nut has the step hole that the internal diameter is greater than the screw hole internal diameter, the downthehole ring groove that is equipped with of step, outside the surrounding edge cup joints in cup jointing the shell on the disc cover plate, the elasticity barb dop card of disc cover plate is joined in marriage in. The dustproof cover has the advantages of reasonable structural design, good protection effect and convenience in installation.
Description
Technical Field
The utility model relates to a fastener technical field, what exactly says is dustproof self-locking nut.
Background
Nuts and bolts are common fasteners. Need the nut to have dustproof and waterproof performance in some occasions, if install outdoor equipment, avoid the nut rust to die, for making the nut have dustproof and waterproof effect, current way is adopting the design of cap nut, or is fixed with the shield through the riveting in the nut, adopts the fixed shield of riveting, has the defect that processing is inconvenient, waterproof dustproof effect is not enough.
Disclosure of Invention
The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a shield structural design is reasonable, and the protecting effect is good, simple to operate's dustproof self-locking nut.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a dustproof auto-lock nut assembly, locates the shield of the hole top port of nut including nut and lid, and the hole of nut has screw hole, its characterized in that: the shield include the disk cover plate, the outward flange axial extension of disk cover plate has the surrounding edge, the disk cover plate is located the surrounding edge internal diameter side and is equipped with axial extension and is good at the elasticity barb dop of surrounding edge, it has a plurality of elasticity barb dops to distribute along circumference on the disk cover plate, the top axial extension of nut has the cup jointing thin shell of tube-shape, the hole of nut has the step hole that the internal diameter is greater than the screw hole internal diameter, the downthehole annular groove that is equipped with of step, the surrounding edge on the disk cover plate cup joints outside cup jointing the thin shell, the elasticity barb dop block of disk cover plate is joined in marriage in the ring card ins.
Through adopting above-mentioned technical scheme, the elasticity barb dop that adopts the annular to distribute stretches into the downthehole block fit of step and realizes fixed assembly in ring groove, has the simple advantage of simple to operate, and after the shield card was solid, the surrounding edge cover realized cup jointing outside cup jointing the thin shell, effectively improved dustproof effect.
Preferably, the outer peripheral surface of the sleeve thin shell is provided with an annular shallow groove, the inner peripheral side of the end part of the surrounding edge is provided with an annular bulge, and the annular bulge is clamped into the annular shallow groove. Under this structural design, the surrounding edge has the card effect of solid with cup jointing the thin shell, especially improves dustproof effect.
Preferably, the top end outer circumference side of the thin sleeving shell is provided with a guide chamfer. Under this structural design, make things convenient for the surrounding edge to overlap on cup jointing the thin shell.
Preferably, the bottom end of the nut is provided with a flange, an annular gasket groove surrounding the threaded hole is formed in the end face of the flange, a rubber gasket is arranged in the annular gasket groove and is higher than the end face of the flange in a free state, and rubber bulges protruding from two axial ends are arranged on the inner circumferential side of the rubber gasket. Under this structural design, the flange realize with the locking of corresponding part, and the design of flange terminal surface and rubber packing ring can provide metal locking face and rubber locking face simultaneously, improves the locking effect of auto-lock of nut, and the rubber arch further improves locking effect on the screw thread of bolt is pasted in nut locking in-process deformation embedding screw hole.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of a dust-proof self-locking nut assembly according to an embodiment of the present invention;
FIG. 2 is a top view of a dust-proof self-locking nut assembly according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural view of a dust cap according to an embodiment of the present invention.
Detailed Description
Referring to the attached drawings 1-4, the utility model discloses a dustproof self-locking nut component, which comprises a nut 1 and a dustproof cover 2 covering the top end port of an inner hole of the nut 1, the inner hole of the nut 1 is provided with a threaded hole 11, the dust cap 2 comprises a disk-shaped cover plate 21, a surrounding edge 22 axially extends from the outer edge of the disk-shaped cover plate 21, an elastic barb clamp 23 axially extends and is longer than the surrounding edge 22 is arranged on the disk-shaped cover plate 21 and is positioned on the inner diameter side of the surrounding edge 22, a plurality of elastic barb clamps 23 are circumferentially distributed on the disk-shaped cover plate 21, a cylindrical sleeve thin shell 12 extends axially from the top end of the nut 1, an inner hole of the nut 1 is provided with a step hole 13 with the inner diameter larger than that of the threaded hole 11, an annular clamping groove 131 is formed in the stepped hole 13, the surrounding edge 22 of the disc-shaped cover plate 21 is sleeved outside the sleeved thin shell 12, and the elastic barb clamping head 23 of the disc-shaped cover plate 21 is clamped in the annular clamping groove 131. The elastic barb clamping heads distributed in an annular mode stretch into the step holes to be clamped and matched in the annular clamping grooves to achieve fixed assembly, the dustproof cover clamping device has the advantage of being convenient to install and simple, after the dustproof cover is clamped and fixed, the surrounding edge is sleeved outside the sleeved thin shell to achieve sleeving, and the dustproof effect is effectively improved.
The outer peripheral surface of the thin sleeving shell 12 is provided with an annular shallow groove 121, the inner peripheral side of the end part of the surrounding edge 22 is provided with an annular bulge 221, and the annular bulge 221 is clamped in the annular shallow groove 121. The surrounding edge and the sleeved thin shell have the clamping effect, and particularly the dustproof effect is improved. And a guide chamfer is arranged on the outer circumference side of the top end of the thin sleeve shell. The convenient surrounding edge is sleeved on the thin sleeve-connected shell.
The bottom end of the nut 1 is provided with a flange 14, the end face of the flange 14 is provided with an annular gasket groove 141 surrounding the threaded hole 11, a rubber gasket 3 is arranged in the annular gasket groove 141, the rubber gasket 3 is higher than the end face of the flange 14 in a free state, and the inner circumference side of the rubber gasket 3 is provided with rubber protrusions 31 with two protruding axial ends. The flange realizes with the locking of corresponding part, and the design of flange terminal surface and rubber packing ring can provide metal locking face and rubber locking face simultaneously, improves the auto-lock locking effect of nut, and the rubber arch further improves locking effect on the screw thread of bolt is pasted in nut locking in-process deformation embedding screw hole.
Claims (4)
1. The utility model provides a dustproof auto-lock nut assembly, locates the shield of the hole top port of nut including nut and lid, and the hole of nut has screw hole, its characterized in that: the shield include the disk cover plate, the outward flange axial extension of disk cover plate has the surrounding edge, the disk cover plate is located the surrounding edge internal diameter side and is equipped with axial extension and is good at the elasticity barb dop of surrounding edge, it has a plurality of elasticity barb dops to distribute along circumference on the disk cover plate, the top axial extension of nut has the cup jointing thin shell of tube-shape, the hole of nut has the step hole that the internal diameter is greater than the screw hole internal diameter, the downthehole annular groove that is equipped with of step, the surrounding edge on the disk cover plate cup joints outside cup jointing the thin shell, the elasticity barb dop block of disk cover plate is joined in marriage in the ring card ins.
2. The dust-resistant self-locking nut assembly of claim 1, wherein: the outer peripheral surface of the sleeve thin shell is provided with an annular shallow groove, the inner peripheral side of the end part of the surrounding edge is provided with an annular bulge, and the annular bulge is clamped into the annular shallow groove.
3. The dust-resistant self-locking nut assembly of claim 2, wherein: and a guide chamfer is arranged on the outer circumference side of the top end of the thin sleeve shell.
4. The dust-resistant self-locking nut assembly of claim 1, wherein: the bottom of the nut is provided with a flange, the end face of the flange is provided with an annular gasket groove surrounding the threaded hole, a rubber gasket is arranged in the annular gasket groove and is higher than the end face of the flange in a free state, and the inner circumference side of the rubber gasket is provided with a rubber bulge with two raised axial ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330914.5U CN211901233U (en) | 2020-03-16 | 2020-03-16 | Dustproof self-locking nut assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330914.5U CN211901233U (en) | 2020-03-16 | 2020-03-16 | Dustproof self-locking nut assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901233U true CN211901233U (en) | 2020-11-10 |
Family
ID=73322427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020330914.5U Active CN211901233U (en) | 2020-03-16 | 2020-03-16 | Dustproof self-locking nut assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289851A (en) * | 2021-06-01 | 2021-08-24 | 厦门鑫奥格自动化设备有限公司 | Novel glue gun device |
| CN113587419A (en) * | 2021-08-17 | 2021-11-02 | 珠海格力电器股份有限公司 | Bracket component and air conditioner with same |
-
2020
- 2020-03-16 CN CN202020330914.5U patent/CN211901233U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289851A (en) * | 2021-06-01 | 2021-08-24 | 厦门鑫奥格自动化设备有限公司 | Novel glue gun device |
| CN113289851B (en) * | 2021-06-01 | 2022-10-14 | 厦门鑫奥格自动化设备有限公司 | Glue gun device |
| CN113587419A (en) * | 2021-08-17 | 2021-11-02 | 珠海格力电器股份有限公司 | Bracket component and air conditioner with same |
| CN113587419B (en) * | 2021-08-17 | 2022-08-02 | 珠海格力电器股份有限公司 | Bracket component and air conditioner with same |
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