CN2425984Y - Theft-proof lock for bicycle - Google Patents
Theft-proof lock for bicycle Download PDFInfo
- Publication number
- CN2425984Y CN2425984Y CN 00241323 CN00241323U CN2425984Y CN 2425984 Y CN2425984 Y CN 2425984Y CN 00241323 CN00241323 CN 00241323 CN 00241323 U CN00241323 U CN 00241323U CN 2425984 Y CN2425984 Y CN 2425984Y
- Authority
- CN
- China
- Prior art keywords
- lock
- locking bolt
- sleeve
- theft
- bolt
- 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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Abstract
The utility model relates to an anti-theft lock for bicycles, which is suitable for bicycles, motorcycles and tricycles. The utility model comprises a U-shaped lock frame, one end of the U-shaped lock frame is fixedly provided with a lock assembly of a lock core, and the other end of the U-shaped lock frame is hinged with a rotatable sleeve cylinder of a lock bolt. A gear and a torsion spring which can automatically unlock the lock are arranged in the sleeve cylinder. A lock bolt with a straight rod is provided with a rack bar, and a gear drives a lock bolt with a rack bar to exit from or be inserted into the lock assembly to lock and unlock the lock. The lock core of the anti-theft lock for bicycles and the gear driving the lock bolt with a rack bar are completely separated, and a key and accessories thereof can not rotate in a following way when the lock is unlocked. The utility model has the advantages of reasonable structure and reliable performance. The lock can be unlocked and locked by one hand, and thus, the operation is very convenient.
Description
The utility model relates to a kind of anti-theft lock for vehicle, mainly is applicable to bicycle, motorcycle and tricycle.
Existing anti-theft lock for vehicle kind is more, structure is different.The commercially available multiple gear-driven theftproof lock that utilizes, its gear all is sleeved on the lock core.When unblanking, except that inserting key, also need press knob and just can unblank, and other annex on key and the key bow thereof also can be along with rotation together, the phenomenon that can occur hitting the back of the hand unless you give your whole attention to it.Its structure is unreasonable, and it is not too convenient to use.
The purpose of this utility model aim to provide a kind of rational in infrastructure, use anti-theft lock for vehicle more easily, to overcome the deficiencies in the prior art.
A kind of anti-theft lock for vehicle by this purpose design, comprise U-shaped lock frame, one end of U-shaped lock frame is fixed with the tapered end assembly that is provided with lock core, its architectural feature is that the other end of U-shaped lock frame is hinged with rotating locking bolt sleeve, be provided with gear and the torsion spring that to realize auto-unlocking in the sleeve, the straight-bar locking bolt is provided with tooth bar, and described gear drive tooth bar locking bolt withdraws from or inserts the tapered end assembly and realizes switch lock.Its lock core divides fully and is arranged with the gear of unblanking.
The inboard of described straight-bar locking bolt is provided with tooth bar, and spacing as unblanking with last tooth of tooth bar locking bolt insertion end.Locking bolt sleeve arranged outside has locking bolt unblank locating hole and spring.Locking bolt sleeve inboard is provided with locking bolt and shuts locating flange.
The gear of lock core of this anti-theft lock for vehicle and driving tooth bar locking bolt is arranged on the both sides of U-shaped lock frame fully discretely, effect lower gear drive tooth bar locking bolt at torsion spring when unblanking withdraws from the tapered end assembly automatically, key and annex thereof can and then not rotate, its rational in infrastructure, dependable performance, can singlehandedly open and close lock, easy to operate.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is that an embodiment shuts the status architecture schematic diagram.
Fig. 2 is the unlocking condition structural representation.
Fig. 3 is the right TV structure schematic diagram of Fig. 2.
Fig. 4 is the A-A section structure for amplifying schematic diagram among Fig. 1.
Fig. 5 is the B-B cross-sectional view among Fig. 4.
Fig. 6 is the C-C cross-sectional view among Fig. 5.
Fig. 7 is that E among Fig. 1 is to the partial structurtes schematic diagram.
Referring to Fig. 1-Fig. 3, an end of U-shaped lock frame 5 is hinged with rotating locking bolt sleeve 1 by rivet pin 3, is set with gear 2 and torsion spring 19 on the rivet pin 3 in the sleeve, as shown in Figure 4.Under the effect of torsion spring, gear 2 drives straight-bar locking bolt 4 and plays the effect of often opening.The inboard of straight-bar locking bolt 4 is provided with tooth bar, and with last teeth 12 of tooth bar locking bolt 4 insertion ends as the spacer pin of unblanking.The other end at U-shaped lock frame 5 is fixed with tapered end assembly 8, is provided with lock core 9 and dead bolt 10 in its sleeve, spring cup 13 that contacts with the locking bolt end face and spring 14 thereof, and the torsion spring 6 that plays normally closed effect is fixed on the lock body 7.11 is rivet pin among Fig. 1, and 20 is packing ring among Fig. 4.
Referring to Fig. 5-Fig. 7, lock bolt sleeve tube end plate 15 is provided with locking bolt and unblanks to locate V-arrangement spring leaf 16, and the relevant position of base plate 15 is provided with waist shape locating hole 17, and spring leaf 16 is pressed on the lock body by locating hole 17, and locking bolt sleeve 1 is fixing.Locking bolt sleeve 1 inboard is provided with locking bolt and shuts locating flange 18.
When shutting, straight-bar locking bolt 4 is gone to horizontal level, shut locating flange 18 and contact, then locking bolt 4 is pressed in the sleeve of tapered end assembly 8, at this moment from outside to inside with lock body, spring cup 13 and locking bolt 4 move inward simultaneously, under the effect of normally closed lock core 9, dead bolt 10 snaps in the groove of locking bolt 4 ends, and lock core 9 resets, transfer to key, completely shut.When unblanking, insert key and reverse, dead bolt 10 moves up under the effect of lock core 9 eccentric shafts, separates with locking bolt 4 grooves, and under the effect of torsion spring 19 and gear 2, locking bolt 4 withdraws to unblanking spacing automatically.Spring cup 13 moves to the end face of dead bolt 10 simultaneously, is pressed in the sleeve, with dead bolt 10 and lock core 9 non-returns, keeps staying the key state.At last, the locking bolt 4 that withdraws from is upwards rotated about 90 degree, the V-arrangement spring leaf 16 in the sleeve outside is pressed on the lock body by locating hole 17, and locking bolt sleeve 1 is fixing, finishes and unblanks.
The middle part of U-shape lock frame 5 is provided with centre bore and is convenient to install.
Claims (5)
1. anti-theft lock for vehicle that is suitable for bicycle, motorcycle and tricycle, comprise U-shaped lock frame (5), one end of U-shaped lock frame is fixed with the tapered end assembly (8) that is provided with lock core, the other end that it is characterized in that U-shaped lock frame is hinged with rotating locking bolt sleeve (1), be provided with gear (2) and the torsion spring (19) that to realize auto-unlocking in the sleeve, straight-bar locking bolt (4) is provided with tooth bar, and described gear drive tooth bar locking bolt withdraws from or inserts the tapered end assembly and realizes switch lock.
2. anti-theft lock for vehicle according to claim 1 is characterized in that: the inboard of straight-bar locking bolt (4) is provided with tooth bar, and spacing as unblanking with last tooth (12) of tooth bar locking bolt insertion end.
3. anti-theft lock for vehicle according to claim 1 and 2 is characterized in that: lock bolt sleeve tube end plate (15) is provided with the locking bolt retainer spring sheet (16) of unblanking, and the relevant position of U-shaped lock frame (5) is provided with locating hole (17).
4. anti-theft lock for vehicle according to claim 3 is characterized in that: the inboard of locking bolt sleeve (1) is provided with locking bolt and shuts locating flange (18).
5. anti-theft lock for vehicle according to claim 1 is characterized in that: tapered end always covers and is provided with lock core (9) and dead bolt (10) in (8) sleeve, with contacted spring cup of locking bolt (4) (13) and spring (14) thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241323 CN2425984Y (en) | 2000-06-17 | 2000-06-17 | Theft-proof lock for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241323 CN2425984Y (en) | 2000-06-17 | 2000-06-17 | Theft-proof lock for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2425984Y true CN2425984Y (en) | 2001-04-04 |
Family
ID=33601816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00241323 Expired - Fee Related CN2425984Y (en) | 2000-06-17 | 2000-06-17 | Theft-proof lock for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2425984Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037911B (en) * | 2006-12-21 | 2011-05-04 | 罗士中 | Shackles type lockset |
| CN103321495A (en) * | 2013-07-02 | 2013-09-25 | 江苏金戈信息科技有限公司 | Solar-charging electronic lock |
| CN109763722A (en) * | 2017-11-09 | 2019-05-17 | 比亚迪股份有限公司 | Lock and bicycle |
-
2000
- 2000-06-17 CN CN 00241323 patent/CN2425984Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037911B (en) * | 2006-12-21 | 2011-05-04 | 罗士中 | Shackles type lockset |
| CN103321495A (en) * | 2013-07-02 | 2013-09-25 | 江苏金戈信息科技有限公司 | Solar-charging electronic lock |
| CN109763722A (en) * | 2017-11-09 | 2019-05-17 | 比亚迪股份有限公司 | Lock and bicycle |
| CN109763722B (en) * | 2017-11-09 | 2020-07-10 | 比亚迪股份有限公司 | Lock and 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 |