CN215671640U

CN215671640U - Bolt helmet lock structure

Info

Publication number: CN215671640U
Application number: CN202120821617.5U
Authority: CN
Inventors: 丁瑞荣; 彭正荣
Original assignee: Changzhou Wujin Huarui Electronic Co Ltd
Current assignee: Changzhou Wujin Huarui Electronic Co Ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-01-28
Anticipated expiration: 2031-04-21

Abstract

The utility model belongs to the technical field of helmet locks, and relates to a bolt helmet lock structure which comprises a lock body, wherein a lock hole for inserting a helmet lock pin is formed in the lock body, a locking assembly is arranged in the lock body at a position corresponding to the lock hole, the locking assembly can stretch and move under the action of a driving assembly to lock or unlock the helmet lock pin, a first position switch and a second position switch which are respectively arranged corresponding to the helmet lock pin and the locking assembly are also arranged in the lock body, the first position switch and the second position switch are both in signal connection with the driving assembly, the driving assembly comprises a motor and a worm arranged on an output shaft of the motor, the locking assembly comprises a lock tongue, one end of the lock tongue is provided with a U-shaped clamping block matched with a clamping groove in the helmet lock pin, and the other end of the lock tongue is connected with the worm through a transmission assembly. The utility model has the advantages of simple structure, convenient operation, stability, reliability, good sealing performance, high safety performance and the like.

Description

Bolt helmet lock structure

Technical Field

The utility model belongs to the technical field of helmet locks, and particularly relates to a bolt helmet lock structure.

Background

At present, the electric bicycles on the road require riders to wear helmets, but the helmets are not stored in proper positions on a bicycle, most riders can only hang the helmets on certain parts of the bicycle, property loss and potential safety hazards are easily caused by stealing, especially more and more shared electric bicycles are easy to lose, and great property loss and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and designs a bolt helmet lock structure which is simple in structure, stable, reliable, good in sealing performance and high in safety performance.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a bolt helmet lock structure, includes the lock body, set up on the lock body and supply helmet lockpin male lockhole, the inside position that corresponds the lockhole of lock body is equipped with locking Assembly, locking Assembly can stretch out and draw back and move under drive assembly's effect and in order to realize the locking or the unblock of helmet lockpin, inside first position switch and the second position switch that still is equipped with respectively and corresponds the setting with helmet lockpin and locking Assembly of lock body, first position switch and second position switch all with drive assembly signal connection.

Preferably, the driving assembly comprises a motor and a worm arranged on an output shaft of the motor, the locking assembly comprises a bolt, one end of the bolt is provided with a U-shaped clamping block matched with a clamping groove on the helmet lock pin, and the other end of the bolt is connected with the worm through a transmission assembly.

Preferably, the transmission assembly comprises a gear set meshed with the worm and a rack meshed with the gear set, and the rack is connected with the lock tongue and can horizontally slide left and right along the sliding pin under the driving of the gear set.

Preferably, the gear set comprises a first duplicate gear and a second duplicate gear which are meshed with each other, the first duplicate gear is meshed with the worm, and the second duplicate gear is meshed with the rack.

Preferably, the rack is in sliding fit with a sliding pin fixed in the lock body, and a gear hanging spring is arranged between the rack and the lock body.

Preferably, the rack is connected with the lock tongue through a connecting pin, one end of the connecting pin is provided with a boss, the other end of the connecting pin penetrates through the rack and is connected with the lock tongue through a rolling pin, and a lock tongue spring is further arranged between the rack and the lock tongue.

Preferably, silica gel sealing parts are arranged between the lock hole and the helmet lock pin, between an external circuit connected with the driving assembly and the lock body, and between the shell of the lock body and the cover plate.

After the technical scheme is adopted, the bolt helmet lock structure provided by the utility model has the following beneficial effects:

according to the utility model, through the matching design of the rack and the sliding pin and the design of tightly matching and fixing the connecting pin and the lock tongue through the rolling pin, the reliability of driving the lock tongue switch to drive the rack under the driving of the motor and the gear set can be ensured; through the design of the gear hanging spring, the meshing performance between the rack and the gear set can be ensured, so that the stability of the switch action is ensured; through the design of the silica gel sealing piece between the lock hole and the helmet lock pin, not only can the collision and abrasion between the helmet lock pin and the lock hole be avoided, but also the problem of water inflow at the joint of the lock pin and the lock hole when the shared bicycle is parked outside for a long time can be avoided; the design that all is equipped with the silica gel sealing member between external line and the lock body to and between the casing of lock body and the apron is the same, can further prevent the inside problem of intaking of lock body, prolongs the life of helmet lock. Therefore, the utility model has the advantages of simple structure, convenient operation, stability, reliability, good sealing performance, high safety performance and the like.

Drawings

FIG. 1 is a front view of a bolt helmet lock configuration of the present invention;

fig. 2 is a schematic perspective view of a bolt helmet lock structure according to the present invention.

Wherein: the safety helmet lock comprises a lock body 1, a helmet lock pin 2, a lock hole 3, a first position switch 4, a second position switch 5, a motor 6, a worm 7, a lock tongue 8, a clamping groove 9, a clamping block 10, a rack 11, a sliding pin 12, a first duplicate gear 13, a second duplicate gear 14, a rack spring 15, a connecting pin 16, a boss 17, a rolling pin 18, a lock tongue spring 19, an external circuit 20 and a silica gel sealing piece 21.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings and detailed description, in which it is to be understood that the embodiments described are merely illustrative of some, but not all embodiments of the utility model. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The utility model discloses a bolt helmet lock structure, which comprises a lock body 1, wherein a lock hole 3 for inserting a helmet lock pin 2 is formed in the lock body 1, a locking assembly is arranged in the lock body 1 corresponding to the position of the lock hole 3, the locking assembly can stretch and move under the action of a driving assembly to lock or unlock the helmet lock pin 2, and the moving direction of the locking assembly is perpendicular to the direction in which the helmet lock pin 2 is inserted into or pulled out of the lock hole 3.

Furthermore, the driving assembly comprises a motor 6 and a worm 7 arranged on an output shaft of the motor 6, the locking assembly comprises a locking tongue 8, one end of the locking tongue 8 is provided with a U-shaped clamping block 10 matched with a clamping groove 9 on the helmet lock pin 2, the other end of the locking tongue is connected with the worm 7 through a transmission assembly, the transmission assembly comprises a gear set meshed with the worm 7 and a rack 11 meshed with the gear set, and the rack 11 is connected with the locking tongue 8 and can horizontally slide left and right along a sliding pin 12 under the driving of the gear set.

Further, the gear set comprises a first duplicate gear 13 and a second duplicate gear 14 which are meshed with each other, the first duplicate gear 13 is meshed with the worm 7, the second duplicate gear 14 is meshed with the rack 11, the rack 11 is in sliding fit with a sliding pin 12 fixed in the lock body 1, and the stability of horizontal sliding of the rack 11 left and right can be guaranteed, so that the stability of horizontal sliding of the bolt 8 left and right under the driving of the rack 11, namely the stability of opening and closing of the bolt 8, is guaranteed, a tooth hanging spring 15 is arranged between the rack 11 and the lock body 1, and the tooth surface of the rack 11 can be always attached to the second duplicate gear 14 when the rack 11 slides left and right, so that the meshing performance of the rack 11 between the second duplicate gear 14 can be guaranteed no matter whether the motor 6 rotates forwards or reversely, and the stability of transmission is guaranteed.

Further, be connected through even round pin 16 between rack 11 and the spring bolt 8, even 16 one ends of round pin are equipped with boss 17, and the other end runs through rack 11 and is connected with spring bolt 8 through rolling up round pin 18, and it is spacing just through boss 17 to carry out through even 16 one ends of round pin and rack 11 sliding fit, and the other end is through the design that rolling up round pin 18 and spring bolt 8 tight fit are fixed, can guarantee that spring bolt 8 carries out the stability of switching action under rack 11 drives, still be equipped with spring bolt spring 19 between rack 11 and the spring bolt 8, when can avoiding the spring bolt 8 switch action, with the rigid contact between other accessories to the life of extension helmet lock.

Further, 1 inside first position switch 4 and the second position switch 5 that still is equipped with respectively and corresponds the setting with helmet lockpin 2 and locking subassembly of lock body, first position switch 4 and second position switch 5 all with drive assembly signal connection, and all are equipped with the silica gel layer on first position switch 4 and the second position switch 5, can play fine guard action to first position switch 4 and second position switch 5, between lockhole 3 and helmet lockpin 2, between external line 20 and the lock body 1 of being connected with drive assembly to and all be equipped with silica gel sealing member 21 between the casing of lock body 1 and the apron, can guarantee the waterproof performance of helmet lock, can also avoid the collision wear between helmet lockpin 2 and the lockhole 3.

Further, the spring bolt 8 adopts the zinc alloy material that intensity is good, and the casing and the apron of lock body 1 adopt high strength aluminum alloy material, and motor 6 adopts the small motor of N20, and the gear train adopts the plastics gear train of taking drive ratio, through above-mentioned design, can guarantee the security fastness to the helmet locking promptly, can guarantee the lightness of the whole weight of lock body 1 again.

When the bolt helmet lock structure is used, a helmet lock pin 2 is inserted into a lock hole 3 of a lock body 1 and is pressed to a first position switch 4, the first position switch 4 is conducted and sends a locking signal to a motor 6, the motor 6 rotates forwards, driving force is transmitted to a gear set through a worm 7, the gear set drives a rack 11 to move rightwards along a sliding pin 12, the rack 11 pushes a bolt 8 to move rightwards through a bolt spring 19 until the bolt 8 locks the helmet lock pin 2 and is pressed to a second position switch 5, and the second position switch 5 is conducted and sends a locking completion signal to the motor 6; when the helmet lock is required to be unlocked, the vehicle-mounted central control receives an unlocking instruction and controls the motor 6 to rotate reversely, the worm 7 transmits driving force to the gear set, the gear set drives the rack 11 to move leftwards along the sliding pin 12, the rack 11 drives the lock tongue 8 to move leftwards through the connecting pin 16 until the lock tongue 8 is separated from the helmet lock pin 2, and therefore unlocking is achieved.

In conclusion, the bolt helmet lock structure provided by the utility model has the advantages of simple structure, convenience in operation, stability, reliability, good sealing performance, high safety performance and the like, has great market value, and is worthy of wide popularization and application.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a bolt helmet lock structure, includes lock body (1), its characterized in that: the helmet lock is characterized in that a lock hole (3) for inserting the helmet lock pin (2) is formed in the lock body (1), a locking assembly is arranged in the lock body (1) and corresponds to the lock hole (3), the locking assembly can stretch and move under the action of the driving assembly to lock or unlock the helmet lock pin (2), a first position switch (4) and a second position switch (5) which correspond to the helmet lock pin (2) and the locking assembly respectively are further arranged in the lock body (1), and the first position switch (4) and the second position switch (5) are in signal connection with the driving assembly.

2. The latch helmet lock construction of claim 1, further comprising: the driving assembly comprises a motor (6) and a worm (7) arranged on an output shaft of the motor (6), the locking assembly comprises a bolt (8), one end of the bolt (8) is provided with a U-shaped fixture block (10) matched with a clamping groove (9) on the helmet lock pin (2), and the other end of the bolt is connected with the worm (7) through a transmission assembly.

3. The latch helmet lock construction of claim 2, further comprising: the transmission assembly comprises a gear set meshed with the worm (7) and a rack (11) meshed with the gear set, wherein the rack (11) is connected with the bolt (8) and can horizontally slide left and right along the sliding pin (12) under the driving of the gear set.

4. The latch helmet lock construction of claim 3, further comprising: the gear set comprises a first duplicate gear (13) and a second duplicate gear (14) which are meshed with each other, wherein the first duplicate gear (13) is meshed with the worm (7), and the second duplicate gear (14) is meshed with the rack (11).

5. The latch helmet lock construction of claim 3, further comprising: the rack (11) is in sliding fit with a sliding pin (12) fixed in the lock body (1), and a gear hanging spring (15) is arranged between the rack (11) and the lock body (1).

6. The latch helmet lock construction of claim 3, further comprising: the lock is characterized in that the rack (11) is connected with the lock bolt (8) through a connecting pin (16), one end of the connecting pin (16) is provided with a boss (17), the other end of the connecting pin penetrates through the rack (11) and is connected with the lock bolt (8) through a rolling pin (18), and a lock bolt spring (19) is further arranged between the rack (11) and the lock bolt (8).

7. The latch helmet lock construction of claim 1, further comprising: between lockhole (3) and helmet lockpin (2), between external line (20) and the lock body (1) of being connected with drive assembly to and all be equipped with silica gel sealing member (21) between the casing of lock body (1) and the apron.