CN2201448Y - Lock sleeve - Google Patents
Lock sleeve Download PDFInfo
- Publication number
- CN2201448Y CN2201448Y CN 94238786 CN94238786U CN2201448Y CN 2201448 Y CN2201448 Y CN 2201448Y CN 94238786 CN94238786 CN 94238786 CN 94238786 U CN94238786 U CN 94238786U CN 2201448 Y CN2201448 Y CN 2201448Y
- Authority
- CN
- China
- Prior art keywords
- sleeve
- utility
- model
- lock
- pullover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Dowels (AREA)
Abstract
The utility model relates to a lock sleeve, which is the technological improvement of an inserting lock anti-theft structure. The utility model has the structure that the exposed end surface of an inserting lock is additionally provided with a protective sleeve which is made of high-quality steel material and is processed by heat and plating, a sleeve body is composed of a truncated tapered sleeve head and a sleeve tube of which the outer diameter is smaller, the truncated tapered sleeve head is extended out backward a section of the sleeve tube, the end surface of the sleeve head is provided with a lock core exposed hole, and the sleeve tube is provided with a fixing screw nail hole. The utility model has good anti-drilling, anti-prizing, and anti-twisting performance, the appearance is beautiful, and the utility model can be the protective sleeve or can be a decorative sleeve.
Description
A kind of tapered end cover belongs to lock technology field.
Existing lock pin lock, its tapered end end face periphery bag mostly mainly plays decoration function, and does not have anti-theft feature with the tapered end circle.
The purpose of this utility model is to provide a kind of not only antitheft but also play the protector of decoration function for the lock pin lock.
This protector is a kind of protective jacket, and body one section less pipe box of external diameter pullover by truncated cone shape and that extend back constitutes, and offers lock core on the cover end surface and reveals the hole, and pipe box is provided with fixing screw hole.
Accompanying drawing is the structural representation of the utility model embodiment.
Tapered end cover body adopts the high-quality steel to make, and handles through heat treatment and chromium plating again, and intensity is good, the hardness height, and anti-drilling performance is good, and specious.The tapered end cover is connected and fixed by the screw hole on the tapered end of screw hole (4) on the pipe box (1) and insertion pipe box with hold-down screw.The truncated cone shape pullover (2) of tapered end cover, its cone angle is designed to 40 °～50 °, and this makes various tool all be difficult for fixed point or blocks pullover sled of cone and cut a hole or twisting destruction.Overlap end surface in addition and only stay lock core to reveal hole (3),, so just can strengthen the outside theftproof performance of lock pin lock greatly if be used anti-drilling sheet at the lock core end face again.
Claims (2)
1, a kind of tapered end cover is characterized in that: body is to be made of truncated cone shape pullover (2) and the less pipe box (1) of one section external diameter extending back thereof, offers lock core on pullover (2) end face and reveals hole (3), and pipe box (1) is provided with fixing screw hole (4).
2, by the described tapered end cover of claim 1, it is characterized in that: pullover truncated cone angle is 40 °～50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94238786 CN2201448Y (en) | 1994-05-22 | 1994-05-22 | Lock sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94238786 CN2201448Y (en) | 1994-05-22 | 1994-05-22 | Lock sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2201448Y true CN2201448Y (en) | 1995-06-21 |
Family
ID=33846122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94238786 Expired - Fee Related CN2201448Y (en) | 1994-05-22 | 1994-05-22 | Lock sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2201448Y (en) |
-
1994
- 1994-05-22 CN CN 94238786 patent/CN2201448Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |