CN201056241Y - Improved electric motor brake expansion lock - Google Patents
Improved electric motor brake expansion lock Download PDFInfo
- Publication number
- CN201056241Y CN201056241Y CNU2007201479894U CN200720147989U CN201056241Y CN 201056241 Y CN201056241 Y CN 201056241Y CN U2007201479894 U CNU2007201479894 U CN U2007201479894U CN 200720147989 U CN200720147989 U CN 200720147989U CN 201056241 Y CN201056241 Y CN 201056241Y
- Authority
- CN
- China
- Prior art keywords
- dead bolt
- lock
- overhanging end
- hub
- lock core
- 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
An improved motor drum-brake lock comprises a hubcap and a hub brake arranged outside the hubcap, and the hubcap and the hub brake are provided with a coaxial center bore respectively; the hub brake has a lock tongue axially arranged and a lock core arranged vertically to the lock tongue therein; an eccentric bump is arranged at the inner end of the lock core; the lock tongue is provided with a groove thereon in cooperation with the eccentric bump; the lock tongue comprises a lock tongue body and an extended end; a compression spring is arranged between the lock tongue body and the extended end; a plurality of round holes in cooperation with the extended end are distributed along the circumference of the center bore on the hubcap. The drum-brake lock of the present structure is not only convenient to be tightly locked and has good theftproof performance, and also is secure and reliable, applied to any type of the electric vehicles which are commercially sold and manufactured.
Description
Technical field:
The utility model relates to a kind of anti-theft lock device, particularly a kind of motor expansion brake lock that is used for battery-driven car.
Background technology:
At present, the motor expansion brake lock that occurs on the market (referring to Fig. 1 and Fig. 2), the hub of generally comprise hub cap 1, being located at hub cap 1 outside stops 2, hub cap 1 and hub are stopped and are respectively equipped with a coaxial centre hole 11 and 21 on 2, hub stop dead bolt 3 that has axial setting in 2 and the lock core 4 that is provided with perpendicular to dead bolt, lock core 4 the inners are provided with an eccentric projection 41, dead bolt 3 is provided with the groove 31 that matches with eccentric projection 41, the inboard has a spring 34, the outside has an overhanging end 32, and its centre hole 11 of hub cap 1 upper edge circumferentially is distributed with some circular holes 12 that match with dead bolt overhanging end 32.During use, key is inserted lock core 4, open lock core and clickwise 180 degree, the eccentric projection 41 of lock core 4 the inners also rotates to most significant bit thereupon, and then drive dead bolt 3 to its inner slide and compression reseting spring 34, the disengagement that cooperates of dead bolt overhanging end 32 and circular hole 12, at this moment, this expansion brake lock is in opening.When needing locking, only need be with lock core 4 left-hand revolutions 180 degree, 41 of the eccentric projection of lock core 4 the inners rotate to lowest order thereupon, dead bolt 3 slides to its outside under the tension force effect of retracing spring 34, and cooperate with circular hole 12, at this moment, this expansion brake lock is in the lock state.
Really, above-mentioned expansion brake lock all has bigger improvement for most of battery-driven car anti-theft column lock of the prior art, and for example, locking is convenient, anti-theft is strong etc., but also exists following deficiency:
1, when this expansion brake lock is in opening, retracing spring is in pressured state, itself has certain force of strain, in the middle of use, in case the eccentric projection on lock core damage or the lock core does not press retracing spring, retracing spring is easy to drive dead bolt and outwards ejects, and become locking state by opening suddenly, bring major hidden danger for people's safety traffic.
2, because retracing spring is in strained condition always, the time one is long, damages easily and causes spring malfunctioning, the outer body end 32 of dead bolt can not be cooperated, the requirement of out of reach locking, poor reliability with circular hole 12.
The utility model content:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of improved motor expansion brake lock is provided, and it is not only locked conveniently, theftproof performance is good, and safe and reliable.
The motor expansion brake lock that provides according to the utility model, comprise hub cap, being located at the hub in the described hub cap outside stops, on stopping, described hub cap and hub be respectively equipped with a coaxial centre hole, in stopping, described hub has the dead bolt of axial setting and the lock core that is provided with perpendicular to dead bolt, described lock core the inner is provided with an eccentric projection, described dead bolt is provided with the groove that matches with eccentric projection, described dead bolt comprises a dead bolt body and an overhanging end, be provided with a compression spring between described dead bolt body and the overhanging end, its centre hole of described hub cap upper edge circumferentially is distributed with the circular hole that some and described overhanging end matches.
According to the motor expansion brake lock that the utility model provides, also have following attached technical characterictic:
Described dead bolt body the inner has an annular perisporium, and described annular perisporium outside face is bolted with a sleeve, is placed in this sleeve in the described overhanging end, and described compression spring one end places in the described annular perisporium, and the other end is positioned on the boss of described overhanging end inboard.
The inwall outer end of described sleeve is provided with an inward flange, and outer wall the inner of described overhanging end is provided with an outward flange.
According to the motor expansion brake lock that the utility model provides, prior art has following advantage relatively:
At first, when this expansion brake lock is in opening, compression spring does not stress, and only when locking just moment stressed, therefore, can avoid on the one hand the long-term stressed and malfunctioning phenomenon that occurs of spring, improve the stability of spring and lock, also can avoid on the other hand dead bolt under the effect of spring tension, the overhanging and potential safety hazard that causes blindly, thereby improved the safety performance of lock.
Secondly, this expansion brake lock is provided with a compression spring between dead bolt overhanging end and dead bolt body, when the dead bolt overhanging end aligns with circular hole, this compression spring has dead bolt overhanging end and the circular hole ability from running-fit that makes, and when the dead bolt overhanging end does not align with circular hole, this compression spring keeps dead bolt overhanging end and the circular hole ability from running-fit that makes, and make dead bolt overhanging end and circular hole from running-fit with wheel when aliging with the dead bolt overhanging end at circular hole, thereby locking the time does not need painstakingly to go to make dead bolt and circular hole alignment, only need the locking lock core just can transfer to key, at this moment, as long as wheel, get final product auto lock, thereby locking is very convenient.
Once more, the lock core of this expansion brake lock, dead bolt are installed in hub cap and the hub inside of stopping, and are not exposed to the external world, and the burglar is difficult to pry open, thereby its theftproof performance is very good.
Description of drawings:
Introduce the utility model in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of existing motor expansion brake lock;
The structural representation of the motor expansion brake lock that provides according to the utility model is provided Fig. 2;
Fig. 3 is the local enlarged diagram at A place among Fig. 1;
Fig. 4 is the local enlarged diagram at B place among Fig. 2.
The specific embodiment:
With reference to Fig. 2 and Fig. 4, the motor expansion brake lock that provides according to the utility model, comprise hub cap 1, be located at the hub in hub cap 1 outside and stop 2, hub cap 1 and hub are stopped and are respectively equipped with a coaxial centre hole 11 and 21 on 2, hub stop dead bolt 3 that has axial setting in 2 and the lock core 4 that is provided with perpendicular to dead bolt, lock core 4 the inners are provided with an eccentric projection 41, dead bolt 3 is provided with the groove 31 that matches with eccentric projection 41, dead bolt 3 comprises a dead bolt body 32 and an overhanging end 33, be provided with a compression spring 34 between dead bolt body 32 and the overhanging end 33, its centre hole 11 of hub cap 1 upper edge circumferentially is distributed with some circular holes 12 that match with overhanging end 33.During installation, hub cap 1, hub are stopped and 2 are installed on the battery-driven car wheel shaft by centre hole 11 and 21, and hub cap 1 is captiveed joint with the electrical motor wheel hub, and a stop end of 2 of hub is captiveed joint with vehicle frame, to increase the difficulty of burglar when the dismounting lockset, strengthen its anti-theft capability; During use, key is inserted lock core 4, open lock core and clickwise 180 degree, eccentric projection 41 on lock core 4 inner side ends is rotation thereupon just, and then drives dead bolt 3 and slide to the inside, the disengagement that cooperates of dead bolt overhanging end 33 and circular hole 12, at this moment, this expansion brake lock is in opening.When needing locking, only need lock core 4 left-hand revolutions 180 degree, 41 rotations thereupon of the eccentric projection on lock core 4 inner side ends, and drive dead bolt 3 and slide laterally, its overhanging end 33 is cooperated with circular hole 12, at this moment, this expansion brake lock is in the lock state.
As mentioned above, the user can not need painstakingly to go to make dead bolt overhanging end 33 to cooperate with circular hole 12 when locking, only need rotate to locked position to lock core 4 just can extract key, at this moment, though dead bolt overhanging end 33 is in not mated condition with circular hole 12, but dead bolt overhanging end 33 also keeps the ability of sliding laterally under the effect of compression spring 34, when wheel and when driving the electrical motor wheel hub and rotating, the hub cap 1 of captiveing joint with it also rotates thereupon, because circular hole 12 is along the 11 circumferential well-distributeds of centre hole on the hub cap 1, thereby circular hole 12 is when rotating to dead bolt overhanging end 33 cooperation positions with hub cap 1, dead bolt overhanging end 33 cooperates with circular hole 12 under the effect of compression spring 34 automatically, realize auto lock, step in the time of can significantly reducing locking like this, make this expansion brake lock very easy to use, when particularly locking under the situation of night or light dark, this expansion brake lock seems easier.
As mentioned above, described dead bolt body 32 the inners have an annular perisporium 35, and annular perisporium 35 outside faces are bolted with a sleeve 36, are placed in this sleeve 36 in the overhanging end 33, compression spring 34 1 ends place in the annular perisporium 35, and the other end is positioned on the boss 331 of described overhanging end inboard.The inwall outer end of sleeve 36 is provided with an inward flange 361, and outer wall the inner of overhanging end 33 is provided with an outward flange 332, and so, overhanging end 33 just can not skid off sleeve 36, makes overhanging end 33 and sleeve 36, dead bolt body 32 be connected as a single entity and form dead bolt 3.
The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (3)
1. improved motor expansion brake lock, comprise hub cap (1), the hub of being located at described hub cap (1) outside stop (2), described hub cap (1) and hub are stopped and are respectively equipped with a coaxial centre hole (11 on (2), 21), described hub stop dead bolt (3) that has axial setting in (2) and the lock core (4) that is provided with perpendicular to dead bolt, described lock core (4) the inner is provided with an eccentric projection (41), described dead bolt (3) is provided with the groove (31) that matches with eccentric projection (41), it is characterized in that: described dead bolt (3) comprises a dead bolt body (32) and an overhanging end (33), be provided with a compression spring (34) between described dead bolt body (32) and the overhanging end (33), described hub cap (1) its centre hole of upper edge (11) circumferentially is distributed with the circular hole (12) that some and described overhanging end (33) matches.
2. a kind of improved motor expansion brake lock as claimed in claim 1, it is characterized in that: described dead bolt body (32) the inner has an annular perisporium (35), described annular perisporium (35) outside face is bolted with a sleeve (36), be placed in this sleeve (36) in the described overhanging end (33), described compression spring (34) one ends place in the described annular perisporium (35), and the other end is positioned on the boss (331) of described overhanging end inboard.
3. a kind of improved motor expansion brake lock as claimed in claim 2, it is characterized in that: the inwall outer end of described sleeve (36) is provided with an inward flange (361), and outer wall the inner of described overhanging end (33) is provided with an outward flange (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201479894U CN201056241Y (en) | 2007-04-30 | 2007-04-30 | Improved electric motor brake expansion lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201479894U CN201056241Y (en) | 2007-04-30 | 2007-04-30 | Improved electric motor brake expansion lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201056241Y true CN201056241Y (en) | 2008-05-07 |
Family
ID=39425087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201479894U Expired - Fee Related CN201056241Y (en) | 2007-04-30 | 2007-04-30 | Improved electric motor brake expansion lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201056241Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838158A (en) * | 2019-03-28 | 2019-06-04 | 上海芯安信息科技有限公司 | Smart lock and vehicle for vehicle key-free starting |
-
2007
- 2007-04-30 CN CNU2007201479894U patent/CN201056241Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838158A (en) * | 2019-03-28 | 2019-06-04 | 上海芯安信息科技有限公司 | Smart lock and vehicle for vehicle key-free starting |
| CN109838158B (en) * | 2019-03-28 | 2024-01-26 | 上海芯安信息科技有限公司 | Intelligent lock for keyless starting of vehicle and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 |