CN2200032Y - Theft-proof lock for bicycle - Google Patents
Theft-proof lock for bicycle Download PDFInfo
- Publication number
- CN2200032Y CN2200032Y CN 94210736 CN94210736U CN2200032Y CN 2200032 Y CN2200032 Y CN 2200032Y CN 94210736 CN94210736 CN 94210736 CN 94210736 U CN94210736 U CN 94210736U CN 2200032 Y CN2200032 Y CN 2200032Y
- Authority
- CN
- China
- Prior art keywords
- lock
- keyhole
- locking
- inclined tube
- theft
- 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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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model belongs to a theft-proof lock for bicycles. A lock sheet (6) connected with two lock rods (7) is arranged on one end of a lock body (5) which is inserted in an oblique tube. The other end of the lock rod is respectively provided with a sleeve fixing keyhole (14) close to the end of the oblique tube (3). Besides, a shaft sleeve (12) provided with a keyhole (2) is arranged on a centre shaft (11), or / and a corresponding keyhole (2) is arranged on a front fork tube (1). Therefore, the utility model which has the advantages of reasonable structure, beautiful appearance, concealment, good integrity, high theft-proof performance, convenient application, etc. is easy to accept by the manufacturers of bicycles.
Description
The utility model relates to a kind of Vehicle lock, especially a kind of theft-proof device for bicycle of being located in the car pipe.
Existing bicycle lock is various in style, adopts the lock of being located on the standpipe mostly, and the soft lock set that adopts the mild steel rope to make is also arranged, with the trailing wheel or the front-wheel pinning of bicycle.But, the part of their locking bicycles wheels locates because all being exposed to wheel etc. directly, separately.Therefore, robber person only need be directly disconnected with its pincers with instruments such as powerful cutting pliers, just can fast car be stolen and ride away, and destroy vehicle body voluntarily hardly.
The purpose of this utility model provides a kind of rational in infrastructure, and Lock Part etc. are located in the car pipe, and hidden, attractive in appearance, good integrity, anti-theft bicycle lock that theftproof is strong.
The utility model mainly is to constitute like this: an end of lock body in inserting inclined tube is provided with the locking plate that is connected with two locking bars; Insert respectively to be located at the other end of locking bar and decide the cover keyhole near the inclined tube end; And have the axle sleeve of keyhole or/and on front fork tube, be provided with corresponding keyhole in setting on the axis.Described keyhole shape can be hole, garden, elliptical aperture, slotted hole and analogous shape thereof; Hole count can be of relevant position, can also be a plurality of.
In order to be beneficial to the locking stability of further enhancing locking bar, be equipped with spacing retainer plate in above-mentioned two locking bar proximal ends; And on the locking bar that overlaps surely between keyhole and the retainer plate, be provided with lock rod spring.Lock rod spring also helps the axial location of locking bar except that reset response; When spring inside diameter when overlapping the keyhole external diameter surely, but between adds a flat spring spacer.In addition, in order further to improve the globality of the utility model and bicycle, also can between described locking plate and inclined tube inwall, be provided with the lock post that is fixed on the inclined tube; Between the square hole at lock core and locking plate middle part, adopt bonding agent,, also be difficult to open this anti-theft bicycle lock even if make it to take down earlier the lock post on the inclined tube with both Joints.
On axis, except axle sleeve is set, also can establish axle sleeve, and, which is provided with and the corresponding keyhole of locking bar directly with the axis overstriking; Certainly, if set keyhole hour, also can be provided with keyhole on the axis of existing (not overstriking).Can conveniently aim in the insertion keyhole for the ease of locking bar, the axle sleeve of axis can be cut sth. askew and remove two, make its center of gravity off normal in the below in axle center, thereby cause the bicycle foot pedal to locate naturally.Certainly, also can adopt the foot pedal of different quality to solve the problem that keyhole is located voluntarily.
Below by embodiment, the utility model is done to describe further.
Accompanying drawing 1 is a kind of whole sectional structure chart of the present utility model.
Accompanying drawing 2 is that the A of accompanying drawing 1 is to view.
Accompanying drawing 3 is vertical views of a kind of bottom bracket axle of the present utility model.
Accompanying drawing 4 is front views of a kind of bottom bracket axle of the present utility model.
Accompanying drawing 5 is B-B cut-away views of accompanying drawing 4.
Accompanying drawing 6 is locking plate and the locking bar movement relation schematic diagrames in the utility model.
Make like this referring to accompanying drawing 1 to the utility model shown in the accompanying drawing 6: on the inclined tube (3) of bicycle, offer earlier a shape and the corresponding hole of lock body (5), burn-on on it have a hole protect lock tube (25), remedying the influence of punching to inclined tube intensity, and on its relative inclined tube (3) wall, also be provided with one with the corresponding hole of top lock (16) diameter; Take a round iron plate again, offer square hole (18) near its middle part and make locking plate (6), and by on the straight line in its center of circle, be arranged with two little axis holes, two rivets of being located on the locking bar (7) (19) pass through two little axis holes respectively with locking plate (6) and locking bar (7) loose joint mutually; Welding is provided with retainer plate (8) near the end of locking bar (7), then an end of lock body (5) is coated bonding agent, inserts in the square hole of locking plate (6), makes both be anchored on one.Behind the cementation, it is penetrated in the inclined tube (3) together, treat that its lock body (5) is aimed at its corresponding hole after, lock post (16) is hammered in the inclined tube, lock body is fixed on the inclined tube.And with file with its outward appearance filing.Be taken up in order of priority at the two ends of two locking bars (7) then and be inserted in spring spacer (15) and lock rod spring (9), and fixedly the locking bar axial location decide the two ends that cover keyhole (14) inserts the inclined tube (3) of having got length respectively, again with inclined tube with overlap keyhole surely and adopt electric welding or steady pin Joint.Other uses A
3Rod iron is lathed axle sleeve, go two unfilled corners (23) with sawing again, make axle sleeve (12) as shown in Figures 3 to 5, it is fastened on the axis (11), and on the relevant position of the disjunctor (22) of centre, be drilled with one (or a plurality of) matching with locking bar (7) radially keyhole (2); And the end at keyhole (2) is provided with chamfering (21), in order to the insertion of locking bar (7) with prevent being sheared of locking bar; Equally, on the relevant position of front fork tube (1), also be drilled with corresponding keyhole (2).At last, above-mentioned inclined tube that has assembled (3) and vehicle body are welded into one; By known bicycle production technology, be formed in the new bicycle that anti-theft bicycle lock is set on the band inclined tube again.
Like this, the cyclist only needs the key (4) of this bicycle is inserted in the lockhole (41), key, make lock core pass through coupled square hole (18) and drive locking plate (6) rotation, thereby spur two locking bars (7) in its circumferential edges place positioned opposite to each other, overcome lock rod spring (9) and along overlapping keyhole (14) makes axial shrinkage surely, promptly the end of two locking bars (7) respectively the keyhole (2) on front fork tube keyhole (2) and axis axle sleeve (12) return the inclined tube (3), the bicyclist just can step pedal (13) and swing handle freely delicately.When the car owner stops bicycle to lock, only need backward rotation key (4), drive the locking plate rotation and drive coupled two locking bars (7), under the promotion of lock rod spring (9), do axially-movable, last locking bar just in time inserts in front fork (1) keyhole (20) of twist grip, following locking bar then just in time inserts in the keyhole (20) of the axis axle sleeve (12) that car puts in place, and the handle that reverses just can not answered, and step can not be rotated and be reached the antitheft purpose that waits invention.
Because the utility model is located at lock body on the inclined tube, locking plate and two locking bars and locking all are located in the inclined tube or front fork tube and axis place with keyhole etc., therefore, not only have appearance looks elegant, novelty, rational in infrastructure, globality and good concealment, and except that sawed-off inclined tube (3), extremely difficult with tools used in crime such as common powerful cutting pliers with locking bar (7) termination withdrawal inclined tube interior (promptly opening lock), so theftproof is fine.In addition, most of parts all adopt existing parts and the assembly technology in the bicycle in the utility model, have only increased the simple parts of a few structure and manufacture craft.Therefore, cost of production is lower, is easily accepted by bicycle producer.
The utility model equally also is suitable for the anti-theft vehicle lock of making dillies such as tricycle, power assist vehicle.
Claims (5)
1, a kind of lock body is located at the anti-theft bicycle lock of Vehicle Management Section, it is characterized in that an end of lock body (5) in inserting inclined tube (3), setting is connected with the locking plate (6) of two locking bars (7); Insert respectively to be located at the other end of locking bar and decide cover keyhole (14) near inclined tube (3) end; And go up setting at axis (11) and have the axle sleeve (12) of keyhole (2), or/and on front fork tube (1), be provided with corresponding keyhole (2).
2, anti-theft bicycle lock as claimed in claim 1 is characterized in that two locking bars (7) proximal end is equipped with spacing retainer plate (8); And on the locking bar (7) that overlaps surely between keyhole (14) and the retainer plate (8), be provided with lock rod spring (9).
3, anti-theft bicycle lock as claimed in claim 1 or 2 is characterized in that described locking plate (6) middle part is provided with the square hole (18) that matches with lock core (5); And between locking plate (6) and inclined tube inwall, be provided with the lock post (16) that is fixed on the inclined tube (3).
4, anti-theft bicycle lock as claimed in claim 3 is characterized in that adopting the bonding agent Joint between the square hole (18) at lock core (5) and locking plate (6) middle part.
5, anti-theft bicycle lock as claimed in claim 1 or 2 is characterized in that being shaped on the breach (23) that makes its center of gravity off-centre on the axle sleeve (12) of axis; And the end at described keyhole (2) is provided with chamfering (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94210736 CN2200032Y (en) | 1994-05-05 | 1994-05-05 | Theft-proof lock for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94210736 CN2200032Y (en) | 1994-05-05 | 1994-05-05 | Theft-proof lock for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2200032Y true CN2200032Y (en) | 1995-06-07 |
Family
ID=33828068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94210736 Expired - Fee Related CN2200032Y (en) | 1994-05-05 | 1994-05-05 | Theft-proof lock for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2200032Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585234A (en) * | 2017-07-18 | 2018-01-16 | 米格（浙江）创新科技有限公司 | Anti-theft bicycle |
-
1994
- 1994-05-05 CN CN 94210736 patent/CN2200032Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585234A (en) * | 2017-07-18 | 2018-01-16 | 米格（浙江）创新科技有限公司 | Anti-theft bicycle |
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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 |