CN215097151U - Backrest lock and vehicle - Google Patents
Backrest lock and vehicle Download PDFInfo
- Publication number
- CN215097151U CN215097151U CN202121654292.2U CN202121654292U CN215097151U CN 215097151 U CN215097151 U CN 215097151U CN 202121654292 U CN202121654292 U CN 202121654292U CN 215097151 U CN215097151 U CN 215097151U
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- locking
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Abstract
The utility model provides a back lock and vehicle, the utility model discloses a back lock includes casing, locking means and micro-gap switch, wherein: the locking device comprises a locking mechanism integrated in the shell and a locking part arranged on the vehicle body, the locking part is provided with a locking matching part and a triggering part, and when the locking part is matched with the locking matching part in a locking way, the triggering part is abutted against the micro switch to enable the micro switch to be in a conducting state; when the locking part and the locking matching part are unlocked, the triggering part is separated from the butt joint with the micro switch, so that the micro switch is in an open circuit state. Backrest lock, through integrate micro-gap switch in backrest lock, the degree of integrating is high, is applied to the control mechanism of current gasbag, the reliability is high, the structure is comparatively simple, manufacturing cost is lower, assemble on the back of seat, can reduce and arrange the space demand, can be applicable to the different seats of different motorcycle types, application scope is extensive.
Description
Technical Field
The utility model relates to a vehicle parts technical field, in particular to back lock. And simultaneously, the utility model discloses still relate to a vehicle of using this back lock.
Background
With the rapid development of vehicles, the functions of the vehicles are increasingly rich and diversified. Such as a power seat for a vehicle, as a necessary in-vehicle device, can improve the comfort and convenience of the vehicle.
At present, part of the side parts of the electric seats are provided with air bags, and for the electric seats, the air bags need to be provided with corresponding control mechanisms, for example, when the seat back is in a locking state, the air bags are in a normal working state, the air bags can be exploded under the impact of external force to protect passengers, and when the seat back is in an unlocking state, the air bags are in a non-working state, namely the air bags are forbidden to be exploded.
The existing air bag control mechanism has the advantages of high cost, complex manufacturing process, large occupied space, high development cost and high failure rate. In addition, the existing air bag control mechanism is single in arrangement mode and cannot be suitable for different vehicle types.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a backrest lock for facilitating a vehicle seat arrangement.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a backrest lock comprising a housing, a locking device and a microswitch, wherein:
the locking device comprises a locking mechanism integrated on the shell and a locking part arranged on the vehicle body;
the locking mechanism is provided with a locking matching part exposed out of the shell and a triggering part positioned in the shell;
when the locking part is matched with the locking matching part in a locking way, the trigger part is abutted against the microswitch, so that the microswitch is in a conducting state;
when the locking part and the locking matching part are unlocked, the triggering part is separated from the butt joint with the micro switch, so that the micro switch is in an open circuit state.
Furthermore, two mounting plates which are arranged at intervals are arranged in the shell; the locking mechanism is arranged between the two mounting plates, and the mounting plates are arranged in the shell.
Further, the locking mechanism comprises a first rotating part, a second rotating part and a third rotating part which are rotatably arranged in the shell; a first elastic piece is arranged between the first rotating part and the second rotating part, and a second elastic piece is arranged between the second rotating part and the third rotating part; the first rotating part is provided with the locking matching part and the triggering part;
the third rotating part is used for driving the first rotating part to rotate, after the first rotating part rotates by a preset angle threshold value, the first elastic piece releases energy, the third rotating part is used for continuing to rotate and driving the second rotating part to rotate, the second elastic piece stores energy, and the locking part and the locking matching part are unlocked and matched;
first rotation portion is used for the butt lock portion and the antiport, and drives second rotation portion rotates, the second elastic component energy release, first rotation portion is used for the antiport to drive after presetting the angle threshold the third rotation portion rotates, first elastic component energy storage, lock portion with form the locking cooperation between the locking cooperation portion.
Further, the second rotating portion and the third rotating portion are coaxially disposed.
Further, the first elastic element comprises a pressure spring; one end of the pressure spring is connected with the first rotating part, and the other end of the pressure spring is connected with the second rotating part.
Further, the second elastic member includes a torsion spring; one end of the torsion spring is connected with the second rotating part, and the other end of the torsion spring is connected with the third rotating part.
Further, the locking part comprises a hook hanging hole arranged on the vehicle body; the locking mating part comprises a hook formed on the first rotating part; the hook is used for being connected with the hook hole hook.
Further, the housing includes a first housing and a second housing detachably connected together.
Further, the first shell and the second shell are connected in a clamping mode through a plurality of clamping structures; a plurality of clamping structures encircle the circumference of first casing with second casing joint position arranges.
Compared with the prior art, the utility model discloses following advantage has:
(1) backrest lock, through integrate micro-gap switch in backrest lock, integrate the degree height, the reliability is high, the structure is comparatively simple, manufacturing cost is lower, assemble on the backrest of seat, locking means wherein can be used to the backrest locking with vehicle seat on the automobile body, and micro-gap switch can be used to control whether the gasbag is in operating condition, can reduce the space demand of arranging to the seat, the seat of being convenient for is arranged to be applicable to the different seats of different motorcycle types, application scope is extensive.
(2) Through set up the mounting panel in the casing, make things convenient for locking mechanism in the installation and the arrangement in the casing.
(3) The locking mechanism comprises a first rotating part, a second rotating part and a third rotating part, a first elastic piece is arranged between the first rotating part and the second rotating part, a second elastic piece is arranged between the second rotating part and the third rotating part, the whole structure is simple, and the micro-motion clamp can be reliably triggered.
(4) The first elastic part adopts a pressure spring, and the second elastic part adopts a torsion spring, so that the spring is a common part, has low cost and is convenient to arrange.
(5) The locking portion adopts the hook hole, and locking cooperation portion adopts the couple, and the hook is connected between the two, connects convenient and reliable.
(6) The shell comprises a first shell and a second shell which are detachably connected together, and the shell is convenient to assemble and disassemble, so that the locking mechanism and the microswitch are convenient to arrange.
(7) The first shell and the second shell are connected in a clamping mode through the clamping structure, and the mounting and dismounting are convenient.
Another object of the present invention is to provide a vehicle, which has a seat, and the backrest of the seat can be locked on the body of the vehicle by the backrest lock as described above.
The utility model discloses a vehicle and aforementioned back lock have the same beneficial effect for prior art, no longer describe herein.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic overall structure diagram of a backrest lock according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first housing according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a locking mechanism according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second housing according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a micro switch according to a first embodiment of the present invention;
fig. 6 is a schematic structural view of the locking device of the first embodiment of the present invention assembled with the micro switch during locking engagement;
fig. 7 is a schematic structural view of the locking mechanism assembled with the micro switch when the locking mechanism is unlocked according to the first embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. a locking device; 3. a microswitch;
101. a first housing; 102. a second housing;
1011. a clamping block; 1012. bolt holes; 1013. a first convex portion; 1014. a first upper mounting hole; 1015. a first lower mounting hole;
1021. a clamping hole; 1022. a bolt; 1023. a second outer convex portion;
201. a first rotating section; 202. a second rotating part; 203. a third rotating part; 204. a first elastic member; 205. a second elastic member; 206. mounting a plate; 207. an upper shaft hole; 208. a lower shaft hole;
2011. a lock engagement portion; 2012. a trigger section; 2021. a stop lever;
301. an elastic sheet.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The present embodiment relates to a backrest lock, as shown in fig. 1 to 6, which mainly includes a housing 1, a locking device 2, and a microswitch 3 in terms of an overall structure, wherein the locking device 2 includes a locking mechanism integrated on the housing 1, and a locking portion provided on a vehicle body.
In order to facilitate better understanding of the present embodiment, the structure of the housing 1 is described with reference to fig. 2 and 4, as a preferred possible embodiment, the housing 1 includes a first housing 101 and a second housing 102, a receiving cavity is formed between the first housing 101 and the second housing 102, and the first housing 101 and the second housing 102 are detachably connected together.
Fig. 2 shows a structure of the first housing 101, which includes a housing main body, and a burring formed at an edge of the housing main body and bent toward the second housing 102 so as to increase a receiving chamber space. The flange is provided with a latch 1011 and a convex mounting portion, wherein the latch 1011 is used for connecting with a latch hole 1021 described below, and a bolt hole 1012 is formed on the mounting portion to facilitate mounting of the housing 1.
It should be understood herein that the number of the latch 1011 and the bolt hole 1012 is not limited to the number shown in fig. 2 in order to improve the connection reliability, and the number of the latch 1011 or the mounting portion as above may of course be other numbers, such as three, five, six, etc.
In addition, a first protrusion 1013 is formed on one side of the flange to facilitate the arrangement of the microswitch 3 in this embodiment. The housing body is further provided with a first upper mounting hole 1014 and a first lower mounting hole 1015, and the first upper mounting hole 1014 and the first lower mounting hole 1015 are vertically arranged so as to facilitate arrangement of a locking mechanism described below.
Next, the structure of the second housing 102 is described with reference to fig. 4, which includes a housing main body, and a flange formed at an edge of the housing main body and bent toward the first housing 101, also for facilitating an increase in the accommodating chamber space. The flange is provided with a clamping hole 1021 and a convex mounting part, wherein the clamping hole 1021 is used for connecting with the clamping block 1011, and the mounting part is formed with a bolt hole 1012 so as to facilitate the mounting of the shell 1.
Specifically, the card holes 1021 and the aforementioned card holes 1021 constitute a snap-fit structure provided between the first casing 101 and the second casing 102, and are provided so as to correspond to each other and surround the circumferential direction of the connecting portion between the first casing 101 and the second casing 102, and the purpose of the arrangement is mainly to improve the ease of attaching and detaching the first casing 101 and the second casing 102.
The bolt holes 1012 on the second housing 102 and the bolt holes 1012 on the first housing 101 are also in one-to-one correspondence, so as to facilitate mounting of the housing 1 to an external carrier, such as a backrest, through bolts 1022 inserted through the corresponding bolt holes 1012.
It should be understood herein that the number of the latch holes 1021 and the bolt holes 1012 on the second housing 102 is not limited to the number shown in fig. 2 for the purpose of improving the connection reliability, and the number of the latch 1011 or the mounting portion may of course be other numbers, such as three, five, six, etc.
Next, referring to fig. 3, a structure of the locking mechanism is described, which has a locking engagement portion 2011 exposed outside the housing 1 and a trigger portion 2012 located inside the housing 1. As shown in fig. 3 in conjunction with fig. 6 and 7, the locking mechanism includes a first rotating portion 201, a second rotating portion 202, and a third rotating portion 203 rotatably provided in the housing 1. Specifically, the first rotating portion 201 rotates relative to the housing 1 via a rotating shaft inserted through the lower shaft hole 208, the second rotating portion 202 and the third rotating portion 203 are coaxially disposed, and the rotating shafts of the second rotating portion 202 and the third rotating portion 203 are inserted through the upper shaft hole 207.
In order to facilitate the locking function, a first elastic member 204 is disposed between the first rotating portion 201 and the second rotating portion 202, and in this embodiment, the first elastic member 204 is preferably a compression spring, and one end of the compression spring is connected to the first rotating portion 201, and the other end of the compression spring is connected to the second rotating portion 202.
Further, the second elastic member 205 is provided between the second rotation portion 202 and the third rotation portion 203, and specifically, the second elastic member 205 is preferably a torsion spring fitted around the rotation shaft of the second rotation portion 202 and the third rotation portion 203, and has one end connected to the second rotation portion 202 and the other end connected to the third rotation portion 203.
In the structure, the first rotating portion 201 is provided with the locking matching portion 2011 which comprises a hook formed on the first rotating portion 201, the locking portion which is not shown in the figure comprises a hook hole formed in the vehicle body, if the locking portion is bent by round steel to form the hook hole, the edge on one side of the hook hole can be embedded in the hook, and the hook is connected with the hook hole in a hooking mode.
In addition, a triggering portion 2012 is further formed on the first rotating portion 201, and as shown in fig. 5 and fig. 6, in this embodiment, the triggering portion 2012 is specifically a protrusion formed on the first rotating portion 201.
To facilitate the locking function, a stop bar 2021 is formed on the second rotating portion 202, and an arc-shaped surface and an outwardly extending guiding inclined surface are formed on the third rotating portion 203. In addition, a through hole is formed in the third rotating portion 203, and is connected to a pull rope not shown in the figure, when the pull rope is driven by an external force to pull the third rotating portion 203 to rotate and release the locking, the arc-shaped surface is firstly abutted against the stop rod 2021, the second rotating portion 203 does not rotate, and after the third rotating portion 203 rotates by a certain angle, the guide slope is abutted against the stop rod 2021 to drive the second rotating portion 202 to rotate.
So set up, drive first rotation portion 201 at third rotation portion 203 and rotate to make first rotation portion 201 rotate and predetermine the angle threshold value after, first elastic component 204 can release energy, and third rotation portion 203 is used for continuing to rotate and drives second rotation portion 202 and rotate, and second elastic component 205 can the energy storage, and locking cooperation is relieved to locking portion and locking cooperation portion 2011, and the back of seat can rotate for the automobile body.
When the backrest of the seat is turned backwards, the first rotating portion 201 can abut against the locking portion and rotate reversely, the second rotating portion 202 is driven to rotate, the second elastic piece 205 can release energy, the first rotating portion 201 is used for driving the third rotating portion 203 to rotate after a reverse rotation preset angle threshold value, the first elastic piece 204 can store energy, locking cooperation is formed between the locking portion and the locking cooperation portion 2011, and the backrest cannot rotate relative to the vehicle body.
As shown in fig. 6, when the locking portion and the locking mating portion 2011 are locked and mated, the triggering portion 2012 can abut against the elastic sheet 301 on the micro switch 3, so that the micro switch 3 is in a conducting state, and can be powered on to control the airbag to be in a working state, that is, when the vehicle is impacted by external force, the rear-row side airbag can be normally opened to protect the passenger.
As shown in fig. 7, when the locking portion and the locking mating portion 2011 are unlocked, the triggering portion 2012 is separated from the contact with the elastic sheet 301 on the micro switch 3, so that the micro switch 3 is in the off state, at this time, the micro switch 3 cannot be energized, and the airbag is in the non-operating state, that is, when the vehicle is impacted by external force, the airbag cannot be opened.
For the convenience of installation, the locking mechanism in this embodiment further includes two mounting plates 206 arranged at intervals, and the first rotating portion 201, the second rotating portion 202, and the third rotating portion 203 as above may be pre-mounted between the two mounting plates 206, so that the locking mechanism may be provided in the housing 1 via the mounting plates 206 to facilitate the installation of the locking mechanism in the housing 1.
In this embodiment, the micro-switch 3 may be disposed in the space formed by the first and second protrusions 1013 and 1023, and the micro-switch 3 is preferably manufactured by the alps industry, such as any one of the models SPVQ8RNOB02X, SPVQ8RNOB06X, and SPVQ8RNOB 07X. It should be understood here, however, that the type of the microswitch 3 is not limited to the one disclosed above, but it is of course possible to use other types or products of other manufacturers, or products with a similar function to the microswitch 3, such as a travel switch.
In addition, the microswitch 3 in the embodiment is exemplified by taking the microswitch 3 as a normally open switch, and besides, the microswitch 3 can also be an existing normally closed switch, and can also play a role in controlling the air bag to switch between the working state and the non-working state.
The integration of this embodiment has micro-gap switch 3's back lock, and the degree of integrating is high, and the structure is comparatively simple, and manufacturing cost is lower, assembles on the back of seat, and locking device 2 wherein can be used to the back locking of seat on the automobile body, and micro-gap switch 3 can be used to control the gasbag and switch between operating condition and non-operating condition, and reliability and sensitivity performance are all more excellent.
In addition, the backrest lock with the structure can reduce the requirement on the arrangement space of the seat, can be suitable for different seats of different vehicle types, has wide application range and better practicability.
Example two
The present embodiment relates to a vehicle having a seat, and a backrest of the seat can be locked on a vehicle body by a backrest lock according to the first embodiment.
The vehicle of this embodiment through using like the back lock of embodiment one, not only can improve the reliability of gasbag control, promotes vehicle security performance, can reduce the arrangement space demand of seat moreover to can be applicable to the different seats of different motorcycle types, thereby be favorable to the whole arrangement of vehicle.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A backrest lock, characterized in that it comprises a housing (1), a locking device (2) and a microswitch (3), wherein:
the locking device (2) comprises a locking mechanism integrated on the shell (1) and a locking part arranged on the vehicle body;
the locking mechanism is provided with a locking matching part (2011) exposed outside the shell (1) and a triggering part (2012) positioned in the shell (1);
when the locking part is in locking fit with the locking matching part (2011), the trigger part (2012) abuts against the microswitch (3) to enable the microswitch (3) to be in a conducting state;
when the locking part and the locking matching part (2011) are unlocked, the trigger part (2012) is separated from the butt joint with the microswitch (3), so that the microswitch (3) is in an open circuit state.
2. The back lock of claim 1, wherein:
two mounting plates (206) which are arranged at intervals are arranged in the shell (1);
the locking mechanism is arranged between the two mounting plates (206) and is arranged in the shell (1) through the mounting plates (206).
3. The back lock of claim 2, wherein:
the locking mechanism comprises a first rotating part (201), a second rotating part (202) and a third rotating part (203) which are rotatably arranged in the shell (1);
a first elastic piece (204) is arranged between the first rotating part (201) and the second rotating part (202), and a second elastic piece (205) is arranged between the second rotating part (202) and the third rotating part (203);
the first rotating part (201) is provided with the locking matching part (2011) and the trigger part (2012);
the third rotating portion (203) is used for driving the first rotating portion (201) to rotate, after the first rotating portion (201) rotates for a preset angle threshold value, the first elastic piece (204) releases energy, the third rotating portion (203) is used for continuing to rotate and driving the second rotating portion (202) to rotate, the second elastic piece (205) stores energy, and the locking portion and the locking matching portion (2011) are unlocked and matched;
first rotation portion (201) are used for the butt locking portion and antiport, and drive second rotation portion (202) rotate, second elastic component (205) release energy, first rotation portion (201) are used for the antiport to drive after presetting the angle threshold third rotation portion (203) rotate, first elastic component (204) energy storage, locking portion with form the locking cooperation between the locking cooperation portion (2011).
4. The back lock of claim 3, wherein:
the second rotating portion (202) and the third rotating portion (203) are coaxially arranged.
5. The back lock of claim 3, wherein:
the first elastic member (204) comprises a compression spring;
one end of the pressure spring is connected with the first rotating part (201), and the other end of the pressure spring is connected with the second rotating part (202).
6. The back lock of claim 3, wherein:
the second elastic member (205) comprises a torsion spring;
one end of the torsion spring is connected with the second rotating part (202), and the other end of the torsion spring is connected with the third rotating part (203).
7. The back lock of claim 3, wherein:
the locking part comprises a hook hanging hole arranged on the vehicle body;
the locking mating part (2011) comprises a hook formed on the first rotating part (201);
the hook is used for being connected with the hook hole hook.
8. A backrest lock according to any of claims 1-7, wherein:
the housing (1) comprises a first housing (101) and a second housing (102) which are detachably connected together.
9. The back lock of claim 8, wherein:
the first shell (101) and the second shell (102) are connected in a clamping mode through a plurality of clamping structures;
a plurality of clamping structures are arranged around the circumference of the connecting part of the first shell (101) and the second shell (102).
10. A vehicle having a seat, characterized in that: the backrest of the seat can be locked to the body of the vehicle by means of the backrest lock of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121654292.2U CN215097151U (en) | 2021-07-20 | 2021-07-20 | Backrest lock and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121654292.2U CN215097151U (en) | 2021-07-20 | 2021-07-20 | Backrest lock and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215097151U true CN215097151U (en) | 2021-12-10 |
Family
ID=79318242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121654292.2U Active CN215097151U (en) | 2021-07-20 | 2021-07-20 | Backrest lock and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215097151U (en) |
-
2021
- 2021-07-20 CN CN202121654292.2U patent/CN215097151U/en active Active
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