CN215168971U - Lock for electric vehicle helmet - Google Patents

Abstract

The utility model discloses a tool to lock for electric motor car helmet, helmet (1) rear portion be equipped with tool to lock box (2), be equipped with first cavity (3) and second cavity (4) in tool to lock box (2), be equipped with in first cavity (3) and retrieve mechanism (5), be equipped with fixed rope (6) on retrieving mechanism (5), the bottom of first cavity (3) be equipped with first round hole (7), fixed rope (6) pass first round hole (7) and be equipped with latch segment (8) at the tip, be equipped with recess (9) on latch segment (8); the side part of the second chamber (4) is provided with a plurality of through grooves (10), a fixed shaft (6) is arranged in the second chamber (4), a plurality of password wheels (11) are arranged on the fixed shaft (6), and notches (12) are arranged on the password wheels (11). The utility model discloses can conveniently lock the helmet on other objects, just the utility model discloses simple structure, the integrated level is high, low cost.

Description

Lock for electric vehicle helmet

Technical Field

The utility model relates to a helmet device field, especially a tool to lock for electric motor car helmet belongs to road traffic injury and electric motor car accessory technical field.

Background

With the development of social economy, electric bicycles increasingly become an important mode for public transportation, and the number of electric bicycles kept in China is huge. Accidents and casualties related to the electric bicycle are in a rapidly growing situation. The relevant data indicate that in every year cycling deaths, the majority of the causes of death are fatal injuries to the head. Medical researches find that when the helmet is worn by a user in a cycling mode, head injury can be effectively prevented, the injury degree and the accident mortality are greatly reduced, and therefore the helmet is very important to wear when the user is riding the bicycle. The electric bicycle of present day all can be furnished with the helmet, and locking device is not had to most electric bicycle helmets, and the helmet that has locking device a few mostly adopts electronic type locking form, and this kind of locking form structure is comparatively complicated, easily appears higher fault rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool to lock for electric motor car helmet. The utility model discloses can conveniently lock the helmet on other objects, just the utility model discloses simple structure, the integrated level is high, low cost.

The technical scheme of the utility model: a lock for an electric vehicle helmet is arranged on the helmet, a lock box is arranged at the rear part of the helmet, a first cavity and a second cavity are arranged in the lock box, a recovery mechanism is arranged in the first cavity, a fixing rope is arranged on the recovery mechanism, a first round hole is formed in the bottom of the first cavity, the fixing rope penetrates through the first round hole, a locking block is arranged at the end part of the fixing rope, and a groove is formed in the locking block; the side part of the second chamber is provided with a plurality of through grooves, a fixed shaft is arranged in the second chamber, a plurality of code wheels are arranged on the fixed shaft, notches are arranged on the code wheels, a rotating shaft is arranged on the inner wall of the second chamber, a swinging piece is arranged on the rotating shaft through a torsion spring, a round roller is arranged at the upper end of the swinging piece, a vertical shaft is arranged at the lower end of the swinging piece, one end of the rotating shaft extends outwards, and a rotating button is arranged at the end part of the rotating shaft; the bottom of the second cavity is provided with a slide way, a sliding part is arranged in the slide way, a longitudinal groove is formed in the sliding part, the vertical shaft is arranged in the longitudinal groove, the bottom of the second cavity is provided with a cylindrical part, moving grooves are formed in two sides of the cylindrical part, an elastic clamping ball is arranged in the cylindrical part, a connecting rod is arranged on the side portion of the elastic clamping ball and corresponds to the moving grooves, one end of the connecting rod is connected with the sliding part, a second round hole is formed in the second cavity, and the locking block penetrates through the second round hole and is embedded in the groove by the elastic clamping ball.

In the above-mentioned tool to lock for electric motor car helmet, the recovery mechanism including fix the dead axle in first cavity, be fixed with the dead pulley on the dead axle, the dead axle on and be close to and be equipped with the clockwork spring in the dead pulley, fixed rope is around establishing on the clockwork spring.

In the lockset for the electric vehicle helmet, the cross section of the slideway is T-shaped.

In the lockset for the electric vehicle helmet, the knob is a knurled knob.

In the lockset for the electric vehicle helmet, the locking block is provided with the limiting ring.

Compared with the prior art, the utility model has the advantages of it is following:

1. the round roller in the utility model is not contacted with the password wheel in the initial state, a certain distance is left between the two, when the helmet is locked, the locking block is held by hand, the fixed rope is pulled out outwards, the locking block passes through the handlebar and enters the second cavity, the locking block props against the elastic clamping ball, so that the elastic clamping ball moves towards the inside of the cylindrical part, the displacement of the sliding part and the swing of the swing part are further driven, when the elastic clamping ball is clamped into the groove, the sliding part and the swing part reset, and the locking is completed; when needs use the helmet, at first confirm the password, stir the password dish, make the number on the password dish corresponding with logical groove, the breach is on a straight line simultaneously, rotate the turn-button, make the swing piece rotate, in the round roller card on the swing piece goes into the breach, the swing piece drives the slider removal, the slider passes through the connecting rod and removes in the shifting chute, it is indentation in the inside cylinder spare to drive the elasticity card ball, the indentation piece can be taken out, under the effect of retrieving the mechanism, fixed rope is retrieved to first cavity is interior, the completion is unblanked, through simple and easy mechanical type locking structure, can be comparatively convenient with helmet locking on other objects, just the utility model discloses simple structure, the integrated level is high, low cost.

2. The knob for having the annular knurl, set up the annular knurl and can increase frictional force for rotate more effectively and stably.

3. The locking block on be equipped with the spacing ring for when retrieving fixed rope, retrieve the mechanism, can not all bring whole locking block into first cavity, make the locking block can keep in the outside of first cavity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a lock box;

FIG. 3 is a schematic view of a power spring;

FIG. 4 is a schematic structural view of the second chamber;

FIG. 5 is a schematic view of a moving slot;

FIG. 6 is a schematic view of an elastic ball;

description of the reference symbols in the drawings: 1-helmet, 2-lock box, 3-first chamber, 4-second chamber, 5-recovery mechanism, 6-fixed rope, 7-first round hole, 8-locking block, 81-round ball, 9-groove, 10-through groove, 11-cipher wheel, 12-notch, 13-rotating shaft, 14-swinging piece, 15-round roller, 16-vertical shaft, 17-turn button, 18-slideway, 19-sliding piece, 20-longitudinal groove, 21-cylinder piece, 22-moving groove, 23-elastic clamping ball, 24-connecting rod, 25-second round hole, 26-fixed shaft, 27-fixed wheel, 28-spring, 30-limiting ring, and 31-fixed shaft.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, but the invention is not limited thereto.

Example (b): the utility model provides a tool to lock for electric motor car helmet, as shown in fig. 1 and 2, sets up on helmet 1, 1 rear portion of helmet be equipped with tool to lock box 2, be equipped with first cavity 3 and second cavity 4 in the tool to lock box 2, be equipped with in the first cavity 3 and retrieve mechanism 5, retrieve and be equipped with fixed rope 6 on the mechanism 5, the bottom of first cavity 3 be equipped with first round hole 7, fixed rope 6 passes first round hole 7 and is equipped with latch segment 8 at the tip, latch segment 8 on be equipped with spacing ring 30 for retrieve the mechanism when retrieving fixed rope, can not all bring whole latch segment into first cavity in, make the latch segment can keep the outside at first cavity. The locking block 8 is provided with a groove 9; the side part of the second chamber 4 is provided with a plurality of through grooves 10, a fixed shaft 31 is arranged in the second chamber 4, a plurality of code wheels 11 are arranged on the fixed shaft 31, notches 12 are formed in the code wheels 11, the number of the code wheels is three, uniformly distributed numbers are arranged on the circumference of each code wheel, the numbers of the three wheels are not uniformly distributed, and after the three-digit code is determined, the code wheels are shifted, so that the notches in the code wheels are on the same straight line, and unlocking can be realized; a rotating shaft 13 is arranged on the inner wall of the second chamber 4, as shown in fig. 4, a swinging member 14 is arranged on the rotating shaft 13 through a torsion spring, a round roller 15 is arranged at the upper end of the swinging member 14, a vertical shaft 16 is arranged at the lower end of the swinging member 14, one end of the rotating shaft 13 extends outwards and is provided with a rotating button 17 at the end part, the rotating button 17 is a rotating button 17 with knurls, and the knurls are arranged to increase friction force, so that the rotation is more effective and stable; the bottom of the second chamber 4 is provided with a slide way 18, a sliding part 19 is arranged in the slide way 18, the cross section of the slide way 18 is T-shaped, the sliding part can move stably in the slide way, a longitudinal groove 20 is arranged on the sliding part 19, the vertical shaft 16 is arranged in the longitudinal groove 20, the bottom of the second chamber 4 is provided with a cylinder part 21, as shown in fig. 5, two sides of the cylinder part 21 are provided with moving grooves 22, an elastic clamping ball 23 is arranged in the cylinder part 21, the elastic clamping ball mainly comprises a spring and a clamping ball, a connecting rod 24 is arranged on the side part of the elastic clamping ball 23, as shown in fig. 6, the connecting rod 24 corresponds to the moving grooves 22, one end of the connecting rod 24 is connected with the sliding part 19, a second round hole 25 is arranged in the second chamber 4, and the locking block 8 passes through the second round hole 25 and is embedded in the groove 9 by the elastic clamping ball 23. When the lock is unlocked, the swinging piece drives the sliding piece to move, so that the connecting rod on the sliding piece moves in the moving groove, the elastic clamping ball is brought into the cylindrical piece, and the locking block can be taken out under the condition of no constraint. The end part of the locking block 8 is provided with a ball 81 which can not only push the elastic clamping ball into the cylinder piece completely, but also can enable the elastic clamping ball to be clamped into the groove smoothly.

The recovery mechanism 5 comprises a fixed shaft 26 fixed in the first chamber 3, a fixed wheel 27 is fixed on the fixed shaft 26, a clockwork spring 28 is arranged on the fixed shaft 26 and close to the fixed wheel 27, as shown in fig. 3, the fixed rope 6 is wound on the clockwork spring 28, when the fixed rope is pulled, the clockwork spring is stressed and compressed, and after the fixed rope is released, the fixed rope is recovered under the action of the clockwork spring.

The utility model discloses a theory of operation: the round roller in the utility model is not contacted with the password wheel in the initial state, a certain distance is left between the two, when the helmet is locked, the locking block is held by hand, the fixed rope is pulled out outwards, the locking block passes through the handlebar and enters the second cavity, the locking block props against the elastic clamping ball, so that the elastic clamping ball moves towards the inside of the cylindrical part, the displacement of the sliding part and the swing of the swing part are further driven, when the elastic clamping ball is clamped into the groove, the sliding part and the swing part reset, and the locking is completed; when the helmet is needed to be used, at first, confirm the password, stir the password dish, make the number on the password dish corresponding with logical groove, the breach is on a straight line simultaneously, rotate the turn-button, make the swing piece rotate, round roller card on the swing piece is gone into in the breach, the swing piece drives the slider removal, the slider passes through the connecting rod and removes in the shifting chute, it is flexible to drive the indent of calorie ball in the inside cylinder spare, the indentation piece can be taken out, under the effect of retrieving the mechanism, fixed rope is retrieved to first cavity, accomplish and unblank, through simple and easy mechanical type locking structure, can guarantee the stability of locking, can reduce the fault rate again.

Claims (5)

1. The utility model provides a tool to lock for electric motor car helmet, sets up on helmet (1), its characterized in that: the helmet is characterized in that a lock box (2) is arranged at the rear part of the helmet (1), a first cavity (3) and a second cavity (4) are arranged in the lock box (2), a recovery mechanism (5) is arranged in the first cavity (3), a fixing rope (6) is arranged on the recovery mechanism (5), a first round hole (7) is arranged at the bottom of the first cavity (3), the fixing rope (6) penetrates through the first round hole (7), a locking block (8) is arranged at the end part of the fixing rope, and a groove (9) is formed in the locking block (8); the side part of the second chamber (4) is provided with a plurality of through grooves (10), a fixed shaft (31) is arranged in the second chamber (4), a plurality of password wheels (11) are arranged on the fixed shaft (31), notches (12) are arranged on the password wheels (11), a rotating shaft (13) is arranged on the inner wall of the second chamber (4), a swinging piece (14) is arranged on the rotating shaft (13) through a torsion spring, a round roller (15) is arranged at the upper end of the swinging piece (14), a vertical shaft (16) is arranged at the lower end of the swinging piece (14), one end of the rotating shaft (13) extends outwards, and a rotating button (17) is arranged at the end part of the rotating shaft; the bottom of second cavity (4) be equipped with slide (18), be equipped with slider (19) in slide (18), be equipped with vertical groove (20) on slider (19), vertical scroll (16) set up in vertical groove (20), the bottom of second cavity (4) is equipped with cylinder spare (21), the both sides of cylinder spare (21) are equipped with shifting chute (22), be equipped with elasticity card ball (23) in cylinder spare (21), the lateral part of elasticity card ball (23) is equipped with connecting rod (24), connecting rod (24) and shifting chute (22) are corresponding, the one end of connecting rod (24) is connected with slider (19), second cavity (4) in be equipped with second round hole (25), latch segment (8) pass second round hole (25) and are inlayed in recess (9) by elasticity card ball (23).

2. The lockset for an electric vehicle helmet of claim 1 further comprising: the recovery mechanism (5) comprises a fixed shaft (26) fixed in the first chamber (3), a fixed wheel (27) is fixed on the fixed shaft (26), a clockwork spring (28) is arranged on the fixed shaft (26) and close to the fixed wheel (27), and a fixed rope (6) is wound on the clockwork spring (28).

3. The lockset for an electric vehicle helmet of claim 1 further comprising: the cross section of the slide way (18) is T-shaped.

4. The lockset for an electric vehicle helmet of claim 1 further comprising: the knob (17) is a knurled knob (17).

5. The lock for electric vehicle helmets according to any of claims 1 to 4, wherein: the locking block (8) is provided with a limiting ring (30).

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