CN209938383U - Independent automobile seat backrest lock - Google Patents
Independent automobile seat backrest lock Download PDFInfo
- Publication number
- CN209938383U CN209938383U CN201920630257.3U CN201920630257U CN209938383U CN 209938383 U CN209938383 U CN 209938383U CN 201920630257 U CN201920630257 U CN 201920630257U CN 209938383 U CN209938383 U CN 209938383U
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- shell plate
- lock
- locking
- seat back
- coverboard
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Abstract
The utility model relates to an independent automobile seat backrest lock, which is characterized in that the lock comprises a lock shell body consisting of a first shell plate and a second shell plate which are connected in an overlapped way; a lock mounting space constructed between the first and second skins; the locking and unlocking mechanism is positioned in the lock mounting space; the unlocking mechanism is linked with the locking and unlocking mechanism; the first shell plate and the second shell plate are of an integrally formed structure, a face portion which is opposite to each other and used for constructing a lock mounting space, arm portions which are bent along two sides of the face portion and are mutually overlapped, and lug portions which are bent along the arm portions and are mutually overlapped are arranged between the first shell plate and the second shell plate; bolt holes have all been seted up to the ear of first coverboard and second coverboard, car seat back lock install on the automobile body sheet metal component through the ear of first coverboard and second coverboard. The utility model discloses be convenient for the user from the outside unblock seat of vehicle and the back of lying down, do benefit to the assembly and the maintenance of tool to lock, install more firm stability, improved lock body bearing load.
Description
Technical Field
The utility model relates to an automobile lock technical field. In particular to a lock for a backrest of an automobile seat.
Background
At present, most automobile seat back locks are integrated in seat backs, the unlocking operation of the seat lock back locks is generally accompanied with the requirement of a user for placing articles in a luggage compartment, and the installation position of the seat back locks limits the unlocking mode of the seat back locks, so that the seat back locks need to be unlocked from the seat compartment, and the operation inconvenience is brought to the user. In addition, the lock has certain disadvantages in the aspects of production assembly and later maintenance, the installation position of the lock needs to be reserved in the seat back during production assembly, and in the structural arrangement mode, various service performances of the lock are required to be met in a specific space, so that the lock is limited by the installation mode; in case of failure, the lock of the installation mode needs to be disassembled from the seat backrest for maintenance, so that time and labor are wasted, the maintenance cost is increased, and the workload is increased. And the backrest lock integrated on the backrest of the seat at present has complex structure, more parts and heavier weight.
In addition, how to ensure the lightweight design of tool to lock structure, the stability and the security of operation, the noise control when opening, locking and the production technology of each spare part is simplified to the maximize also is the problem of this application attention.
Disclosure of Invention
The utility model aims at providing a car seat back lock independent of seat back, car seat back tool to lock have the structure to retrench optimization, each part cooperation is compact, the tool to lock bulk strength is good, the security performance is high and a great deal of advantage such as the convenient laborsaving of assembly maintenance.
The utility model adopts the technical scheme as follows:
an independent car seat back lock, its characterized in that includes:
the lock shell is formed by a first shell plate and a second shell plate which are connected in an overlapped mode;
a lock mounting space constructed between the first and second skins;
a locking and unlocking mechanism located in the lock mounting space;
and the number of the first and second groups,
an opening mechanism linked with the locking and unlocking mechanism;
the first shell plate and the second shell plate are of an integrally formed structure, a face portion which is opposite to each other and used for constructing a lock mounting space, arm portions which are bent along two sides of the face portion and are mutually overlapped, and lug portions which are bent along the arm portions and are mutually overlapped are arranged between the first shell plate and the second shell plate;
bolt holes have all been seted up to the ear of first coverboard and second coverboard, car seat back lock install on the automobile body sheet metal component through the ear of first coverboard and second coverboard.
In order to balance the stress and improve the stability of the backrest, two independent automobile seat backrest locks are symmetrically installed on the automobile body sheet metal part at least at the same time.
The locking and unlocking mechanism comprises a rotating clamping plate and a locking claw which are riveted between the first shell plate and the second shell plate and are matched with each other to act; a tension spring is connected between the rotating clamping plate and the locking pawl in a pulling manner;
the opening mechanism comprises an opening pull wire, the inner end of the opening pull wire is connected with the locking claw, and the outer end of the opening pull wire is an operation end; the opening pull wire penetrates through the pull wire seat, the pull wire seat frame is fixedly arranged on the support, and the support is formed on the first shell plate or the second shell plate in a bending mode;
because of opening to act as go-between and the extension spring links to each other with the locking pawl simultaneously, for the guarantee open act as go-between and extension spring mutual noninterference, avoid pulling the condition of taking off simultaneously, the hitching part of locking pawl adopts the step jack-post for the components of a whole that can function independently structure with the locking pawl, the step jack-post riveting is in the shaft hole that the locking pawl was seted up, just is in separate the jack-post through the step on the step jack-post and establish into two sections, is used for articulating respectively to open act as go-. Compared with the traditional locking pawl hanging structure, the hanging structure of the locking pawl is less prone to being pulled off, and the process is simplified and easy to operate. The hanging part of the traditional locking claw is formed by flattening and bending the locking claw, and the hanging part of the bending structure is complex in process and easy to pull out.
In order to guarantee the opening stroke of the pull wire, the automobile seat backrest lock is provided with a double limiting structure, the first limiting structure is positioned on the first shell plate or the second shell plate and is used for limiting the rotation stroke of the stop pawl when unlocking, and when the stop pawl rotates to the first limiting structure, the stop pawl is blocked and cannot rotate continuously; the second limiting structure is a limiting block arranged on the stay wire between the stay wire seat and the stopping claw, the limiting block is used for limiting the opening stroke of the stay wire, and when the stay wire is opened and touches the limiting block, the stay wire is blocked and cannot be continuously opened.
In order to reduce the noise of opening the lockset and optimize the user experience, a buffer block installation groove is reserved in the position of the locking hole of the first shell plate or the second shell plate, and the buffer block is in interference fit in the installation groove through a press-fitting mechanism.
The utility model discloses an independent car seat back lock is independently come out seat back lock from the seat back, and direct mount is on the automobile body sheet metal component to make the opening mechanism of car seat back lock draw to the luggage compartment in the car passenger cabin, the user of being convenient for more follows the outside unblock seat of vehicle and puts the back. On the other hand, the installation mode not only simplifies the structure of the whole lock body, but also is not limited to the installation space of the automobile backrest. Meanwhile, the assembly and the maintenance of the lockset are more facilitated. Adopt two metal shell plate structures of folding each other together, the tool to lock space that the coincide formed is more firm stable to the installation of locking release mechanism, and the ear after folding through two shells is connected with the sheet metal component, has improved the lock body and has born the load by a wide margin. The locking claw does not adopt a traditional flat-beating bending structure, but designs the hanging part into a shaft column structure riveted on the locking claw, thereby simplifying the process and effectively avoiding pull-off. The double-limiting structure can ensure the unlocking stroke of the lockset and improve the level of bearing abusive force.
Drawings
FIG. 1: the overall installation structure of the automobile seat backrest lock is schematic;
FIG. 2: the structure of the automobile seat backrest lock is schematic;
FIG. 3: a locking and unlocking mechanism schematic diagram;
FIG. 4: buffer block installation schematic diagram.
Detailed Description
The following provides a detailed description of the present invention with reference to the drawings, which is used to explain the structure, design principle and operation process of the present invention in further detail. To make the present application more clearly understood by those skilled in the art.
Example one
The two independent automobile seat backrest locks 20 are configured and symmetrically arranged on an automobile body sheet metal part 10 respectively, have the same structure and comprise lock shells formed by a first shell plate 21 and a second shell plate 22 which are connected in an overlapped mode; a lock installation space constructed between the first and second shell plates 21 and 22; the locking and unlocking mechanism is positioned in the lock mounting space; the unlocking mechanism is linked with the locking and unlocking mechanism; the first shell plate 21 and the second shell plate 22 are of an integrally formed structure, a face portion 2a, an arm portion 2b and an ear portion 2c are arranged between the first shell plate 21 and the second shell plate 22, the face portion 2a is opposite to the face portion, the arm portion 2b is bent along two sides of the face portion and is mutually overlapped, the ear portion 2c is bent along the arm portion 2b and is mutually overlapped, and a locking opening of the locking pin shaft 30 is correspondingly formed in the first shell plate 21 and the second shell plate 22; bolt hole 2d has all been seted up to the ear 2c of first shell plate 21 and second shell plate 22, car seat back lock 20 install on automobile body sheet metal component 10 through the ear 2c of first shell plate 21 and second shell plate 22. The locking and unlocking mechanism comprises a rotating clamping plate 23 and a locking claw 24 which are riveted between the first shell plate 21 and the second shell plate 22 through a riveting shaft 2g and are matched with each other to act; a tension spring 25 is connected between the rotary clamping plate 23 and the locking pawl 24 in a pulling manner, and the tension spring 25 is used for linking the locking pawl 24 and the rotary clamping plate 23 and realizing the return function; the opening mechanism comprises an opening pull wire 26, the inner end of the opening pull wire 26 is connected with the stop pawl 24, and the outer end of the opening pull wire 26 is an operation end; the opening pull wire 26 penetrates through the pull wire seat 27, the pull wire seat 27 is fixedly arranged on the support 2d, and the support 2d is formed on the first shell plate 21 or the second shell plate 22 in a bending mode; because of opening 26 and the extension spring 25 of acting as go-between and link to each other with the holding pawl 24 simultaneously, in order to ensure to open the condition of acting as go-between and extension spring mutual noninterference, avoid pulling the condition of taking off simultaneously, the hooking portion of holding pawl 24 adopts the step jack-post 24a for the components of a whole that can function independently structure with holding pawl 24, step jack-post 24a rivets in the shaft hole that holding pawl 24 was seted up, just is in separate the jack-post through the step on the step jack-post 24a and establish into two sections, be used for articulating respectively to open and act as go. Compared with the traditional locking pawl hanging structure, the hanging structure of the locking pawl is less prone to being pulled off, and the process is simplified and easy to operate. The hanging part of the traditional locking claw is formed by flattening and bending the locking claw, and the hanging part of the bending structure is complex in process and easy to pull out. In order to guarantee the pull wire opening stroke, the automobile seat back lock 20 is provided with a double limiting structure, a first limiting structure 21e is positioned on the first shell plate 21 or the second shell plate 22 and used for limiting the rotation stroke of the stop pawl 24 when unlocking, and when the stop pawl 24 rotates to the first limiting structure 21e, the stop pawl 24 is blocked and cannot rotate continuously; the second limiting structure is a limiting block 26a arranged between the pull wire seat 27 and the stopping claw 24 and used for opening the pull wire 26, the limiting block 26a is used for limiting the opening stroke of the opening pull wire 26, and when the pull wire is opened and touches the limiting block, the pull wire is blocked and cannot be opened continuously. In order to reduce the noise of unlocking the lock and optimize the user experience, a buffer block installation groove 2f is reserved in the position of the locking hole of the first shell plate 21 or the second shell plate 22, and the buffer block 29 is in interference fit in the installation groove 2f through a press-fitting mechanism.
Claims (7)
1. A self-contained automotive seat back lock, comprising:
the lock shell is formed by a first shell plate and a second shell plate which are connected in an overlapped mode;
a lock mounting space constructed between the first and second skins;
the locking and unlocking mechanism is positioned in the lock mounting space;
and the number of the first and second groups,
the unlocking mechanism is linked with the locking and unlocking mechanism;
the first shell plate and the second shell plate are of an integrally formed structure, a face portion which is opposite to each other and used for constructing a lock mounting space, arm portions which are bent along two sides of the face portion and are mutually overlapped, and lug portions which are bent along the arm portions and are mutually overlapped are arranged between the first shell plate and the second shell plate;
bolt holes have all been seted up to the ear of first coverboard and second coverboard, car seat back lock install on the automobile body sheet metal component through the ear of first coverboard and second coverboard.
2. A self-contained car seat back lock according to claim 1,
two independent car seat back locks are simultaneously installed to the automobile body sheet metal component symmetry at least.
3. A self-contained car seat back lock according to claim 1,
the locking and unlocking mechanism comprises a rotating clamping plate and a locking claw which are riveted between the first shell plate and the second shell plate and are matched with each other to act; and a tension spring is connected between the rotating clamping plate and the locking pawl.
4. A self-contained car seat back lock according to claim 3,
the opening mechanism comprises an opening pull wire, the inner end of the opening pull wire is connected with the locking claw, and the outer end of the opening pull wire is an operation end; the opening pull wire penetrates through the pull wire seat, the pull wire seat frame is fixedly arranged on the support, and the support is formed on the first shell plate or the second shell plate in a bending mode.
5. A self-contained car seat back lock according to claim 4,
the hitching part of the locking pawl adopts a step shaft column which is of a split structure with the locking pawl, the step shaft column is riveted in a shaft hole formed by the locking pawl, and the step shaft column is divided into two sections through steps and is respectively used for hitching and opening a pull wire and a tension spring.
6. A self-contained car seat back lock according to claim 1,
the automobile seat backrest lock is provided with a double-limiting structure, and the first limiting structure is positioned on the first shell plate or the second shell plate and used for limiting the rotating stroke of the movable claw during unlocking; the second limiting structure is a limiting block arranged on the stay wire between the stay wire seat and the stopping claw, and the limiting block is used for limiting the opening stroke of the stay wire.
7. A self-contained car seat back lock according to claim 1,
and a buffer block mounting groove is reserved in the locking position of the first shell plate or the second shell plate, and the buffer block is in interference fit in the mounting groove through a press-fitting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920630257.3U CN209938383U (en) | 2019-05-06 | 2019-05-06 | Independent automobile seat backrest lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920630257.3U CN209938383U (en) | 2019-05-06 | 2019-05-06 | Independent automobile seat backrest lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938383U true CN209938383U (en) | 2020-01-14 |
Family
ID=69131658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920630257.3U Active CN209938383U (en) | 2019-05-06 | 2019-05-06 | Independent automobile seat backrest lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572418A (en) * | 2020-05-27 | 2020-08-25 | 延锋安道拓(常熟)座椅机械部件有限公司 | Backrest lock |
| CN113080645A (en) * | 2021-05-08 | 2021-07-09 | 安维车件(厦门)有限公司 | Locking device suitable for buffer mechanism |
-
2019
- 2019-05-06 CN CN201920630257.3U patent/CN209938383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572418A (en) * | 2020-05-27 | 2020-08-25 | 延锋安道拓(常熟)座椅机械部件有限公司 | Backrest lock |
| CN113080645A (en) * | 2021-05-08 | 2021-07-09 | 安维车件(厦门)有限公司 | Locking device suitable for buffer mechanism |
| CN113080645B (en) * | 2021-05-08 | 2023-05-16 | 安维车件(厦门)有限公司 | Locking device suitable for buffer gear |
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