CN210318112U - Cap-shaped nut with good anti-theft performance - Google Patents
Cap-shaped nut with good anti-theft performance Download PDFInfo
- Publication number
- CN210318112U CN210318112U CN201920978915.8U CN201920978915U CN210318112U CN 210318112 U CN210318112 U CN 210318112U CN 201920978915 U CN201920978915 U CN 201920978915U CN 210318112 U CN210318112 U CN 210318112U
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- nut
- cap
- upper cover
- connector
- screw
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Abstract
本实用新型公开了一种防盗性能好的盖形螺帽，包括螺帽本体、螺帽上盖、螺母拧紧件、拧断连接件，所述的螺帽本体为外表面光滑的圆柱型，所述的螺帽本体内中心设有螺帽内螺纹连接腔，所述的螺帽本体上端设有螺帽上盖，所述的螺帽上盖为半球型，所述的螺帽上盖上端设有拧断连接件，所述的拧断连接件上端设有螺母拧紧件，本实用新型通过将螺帽上端设置拧断连接件和螺母拧紧件，通过螺母拧紧件来拧动螺母，当螺母拧紧后，继续拧动螺母拧紧件，直至拧断连接件与螺帽上盖之间的连接断开，没有螺母拧紧件的螺帽没有地方可以受力来打开螺帽，螺帽一经安装便很难被拆卸，提高安全性，提高防盗性能，生产成本低。
The utility model discloses a cap-shaped nut with good anti-theft performance, which comprises a nut body, a nut upper cover, a nut tightening part, and a twist-off connecting part. The nut body is a cylindrical shape with a smooth outer surface. The inner center of the nut body is provided with a nut inner threaded connection cavity, the upper end of the nut body is provided with a nut cap, the nut cap is hemispherical, and the upper end of the nut cap is provided with a nut cap. There is a screw-off connector, and the upper end of the screw-off connector is provided with a nut tightening member. The utility model provides a screw-off connector and a nut tightening member on the upper end of the nut, and the nut is screwed through the nut tightening member. When the nut is tightened After that, continue to screw the nut tightening piece until the connection between the unscrewed connector and the nut cover is disconnected. The nut without the nut tightening piece has no place to be forced to open the nut, and it is difficult to install the nut once it is installed. It can be disassembled to improve safety, improve anti-theft performance and low production cost.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of nut, especially the technical field of the nut that the theftproof performance is good.
[ background of the invention ]
The nut is a nut, is screwed together with a bolt or a screw rod to play a role in fastening, is divided into carbon steel, stainless steel, nonferrous metal and other types according to different materials by an element which is necessary for manufacturing machinery, and is a fixing tool, the center of the nut is provided with a hole, and the inner side of the hole is provided with threads. The nut is often used in conjunction with a screw of a suitable size to secure the associated engagement portion. Cap nut is one of the nut, cap nut is exactly the hexagon nut who takes the lid as the name suggests, its effect of this lid is exactly that the part that the fastening outside exposes is covered, thereby prevent that moisture or some other corrosive substance from getting into the inside and playing rust-resistant effect, and then improve the live time of its itself and connecting piece, but the theftproof performance of current cap nut is not good, current cap nut just can be dismantled very easily, cause economic loss easily, some special parts need the part of theftproof, current cap nut can't satisfy.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, providing a cap nut that theftproof performance is good, can improve the theftproof performance of nut, the nut is difficult to be dismantled once installed, improves the security.
In order to realize the purpose, the utility model provides a cap nut that theftproof performance is good, twist the piece, twist the connecting piece absolutely including nut body, nut upper cover, nut, the nut body be the glossy cylinder type of surface, this internal center of nut be equipped with nut female connection chamber, nut body upper end be equipped with the nut upper cover, the nut upper cover be the hemisphere type, the nut upper cover upper end be equipped with and twist the connecting piece absolutely, twist disconnected connecting piece upper end and be equipped with the nut and twist the piece.
Preferably, the twist-off connecting piece is in an inverted circular truncated cone shape, and the connecting area between the lower end of the twist-off connecting piece and the nut upper cover is smaller than the connecting area between the upper end of the twist-off connecting piece and the nut tightening piece.
Preferably, the connecting point between the screwing-off connecting piece and the nut upper cover is the smallest diameter part of the whole nut, and the torque force required for screwing off the connection between the nut screwing piece and the nut upper cover is larger than the torque force required for screwing the nut body and the bolt.
Preferably, the upper end of the nut tightening part is provided with a wrench outer bayonet part matched with a bayonet wrench, and the cross section of the wrench outer bayonet part is a regular hexagon or a regular quadrangle.
Preferably, the center of the upper end of the nut tightening part is provided with an inner hexagonal wrench clamping cavity matched with an inner hexagonal wrench.
Preferably, the centers of the nut body, the nut upper cover, the nut tightening piece and the screwing-off connecting piece are on the same axis, and the nut body, the nut upper cover, the nut tightening piece and the screwing-off connecting piece are coaxially arranged.
Preferably, the nut body and the nut upper cover are integrally formed.
Preferably, the nut tightening piece and the screwing-off connecting piece are integrally formed.
The utility model relates to a beneficial effect of lid shape nut that theftproof performance is good: the utility model discloses a set up the nut upper end and twist off connecting piece and nut tightening piece, twist the nut through nut tightening piece, after the nut is screwed up, continue to twist and move nut tightening piece, until twisting off the break-make between connecting piece and the nut upper cover, the nut that does not have nut tightening piece does not have the place can the atress open the nut, the nut is just hardly dismantled in the installation, improves the security, improves the theftproof performance, low in production cost.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a cap nut with good anti-theft performance;
FIG. 2 is a front sectional view of a cap nut knot with good anti-theft performance;
fig. 3 is a schematic top view of a cap nut with good anti-theft performance.
In the figure: the nut comprises a nut body 1, a nut upper cover 2, a nut tightening piece 3, a screw-off connecting piece 4, a nut internal thread connecting cavity 11, a wrench external bayonet 31 and a hexagon socket head wrench bayonet 32.
[ detailed description ] embodiments
Referring to fig. 1, 2 and 3, the cap nut of the present invention comprises a nut body 1, a nut upper cover 2, a nut screwing member 3, and a screwing-off connector 4, wherein the nut body 1 is a cylinder with a smooth outer surface, a nut internal thread connecting cavity 11 is arranged at the inner center of the nut body 1, the nut upper cover 2 is arranged at the upper end of the nut body 1, the nut upper cover 2 is a hemisphere, the screwing-off connector 4 is arranged at the upper end of the nut upper cover 2, the nut screwing member 3 is arranged at the upper end of the screwing-off connector 4, the screwing-off connector 4 is a reverse frustum, the connecting area between the lower end of the screwing-off connector 4 and the nut upper cover 2 is smaller than the connecting area between the upper end of the screwing-off connector 4 and the nut screwing member 3, the connecting point between the screwing-off connector 4 and the nut upper cover 2 is the finest diameter of the whole nut, connect between nut tightening piece 3 and nut upper cover 2 and twist off required torsion and be greater than with screwing up required torsion between nut body 1 and the bolt, 3 upper ends of nut tightening piece be equipped with can with bayonet spanner complex spanner outer bayonet part 31, the spanner outer bayonet part 31 cross section be regular hexagon or regular quadrangle, 3 upper end centers of nut tightening piece be equipped with can with the interior hexagonal spanner complex interior hexagonal spanner bayonet cavity 32, nut body 1, nut upper cover 2, nut tightening piece 3, twist off the center of connecting piece 4 on same axis, nut body 1, nut upper cover 2, nut tightening piece twist 3, twist off the coaxial setting of connecting piece 4, nut body 1 and nut upper cover 2 between integrated into one piece, nut tightening piece 3 and twist off between the connecting piece 4 integrated into one piece.
The utility model discloses the working process:
the utility model relates to a lid shape nut that theftproof performance is good is at the working process, with the 11 required fixed bolts of aligning in nut internal thread connection chamber of nut body 1, block the outer bayonet lock portion 31 of spanner or the interior hexagonal spanner bayonet lock portion 32 of 3 upper ends of nut tightening piece through the spanner, tighten nut body 1 through the spanner, nut body 1 screws up the back, continue rotatory nut tightening piece 3, until twisting off the disconnection of connecting between 4 lower extremes of connecting piece and the nut upper cover 2, the nut that does not have nut tightening piece does not have the place can the atress open the nut, the theftproof performance of nut is stronger.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978915.8U CN210318112U (en) | 2019-06-27 | 2019-06-27 | Cap-shaped nut with good anti-theft performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978915.8U CN210318112U (en) | 2019-06-27 | 2019-06-27 | Cap-shaped nut with good anti-theft performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318112U true CN210318112U (en) | 2020-04-14 |
Family
ID=70146906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978915.8U Expired - Fee Related CN210318112U (en) | 2019-06-27 | 2019-06-27 | Cap-shaped nut with good anti-theft performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210318112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145531A (en) * | 2019-06-27 | 2019-08-20 | 海盐县富宏紧固件有限公司 | A cap-shaped nut with good anti-theft performance |
-
2019
- 2019-06-27 CN CN201920978915.8U patent/CN210318112U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145531A (en) * | 2019-06-27 | 2019-08-20 | 海盐县富宏紧固件有限公司 | A cap-shaped nut with good anti-theft performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |