CN214215555U - Automobile seat backrest lock - Google Patents
Automobile seat backrest lock Download PDFInfo
- Publication number
- CN214215555U CN214215555U CN202120127194.7U CN202120127194U CN214215555U CN 214215555 U CN214215555 U CN 214215555U CN 202120127194 U CN202120127194 U CN 202120127194U CN 214215555 U CN214215555 U CN 214215555U
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- lock
- hook
- assembly
- locking
- cover plate
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Abstract
The utility model discloses a car seat back lock, include: the cover plate assembly, the lock hook assembly, the stop hook assembly, the locking roller, the unlocking rod fixing part, the unlocking rod, the fixing seat, a first hollow rivet and a second hollow rivet, wherein the stop hook assembly is in sliding contact with the lock hook assembly through the locking roller, the first hollow rivet penetrates through the base, the periphery of the first hollow rivet is sequentially sleeved with the lock hook assembly reset spring, the first hollow rivet is riveted with the cover plate assembly after the lock hook assembly, the second hollow rivet penetrates through the fixing seat, and the periphery of the second hollow rivet is sequentially sleeved with the locking roller reset spring, the stop hook assembly reset spring and the cover plate assembly. One end of the return spring of the stop hook component and one end of the return spring of the lock hook component are both fixed on the fixed seat, and the other ends of the return spring of the stop hook component and the lock hook component are respectively pressed on the stop hook component and the lock hook component. The utility model discloses a lock for automobile seat backrest, which realizes the self-locking function when eliminating the clearance, and reduces the noise during working; the silencing piece props against the lock bolt of the vehicle body, so that the gap is eliminated in an auxiliary mode, and the noise in the working process is reduced.
Description
Technical Field
The utility model relates to a car seat accessory technical field, more specifically the saying so relates to a car seat back lock.
Background
The seat of the vehicle needs to be connected to the vehicle body by a connecting mechanism called a seat lock.
At present, seat locks in the market have some defects, such as bulky, occupation space is big, and the locking is not firm, and the clearance is big and then produces the noise. Generally including lock shell and apron, lock shell and apron are riveted through a plurality of rivets, and the inside activity of lock shell is equipped with slidable contact's latch hook and only catches hold of with a hook, and latch hook and only catch and all be equipped with the reset torsion spring. However, the lock shell is attached to the seat mounting plate during assembly, the lock is totally closed in external design, the internal parts are in an over-protection state, the self-locking gap eliminating function is not provided, large noise can be generated, meanwhile, the functions of partial parts are weakened, the service life is short, and certain potential safety hazards are also provided for passengers.
Therefore, how to provide a car seat back lock capable of reducing noise is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a car seat back lock can reduce the noise that the during operation produced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a car seat back lock comprising: the locking mechanism comprises a cover plate assembly, a locking hook assembly reset spring, a locking hook assembly, a locking roller, an unlocking rod fixing plastic piece, an unlocking rod, a locking roller reset spring, a locking hook assembly reset spring, a fixed seat, a first hollow rivet and a second hollow rivet, wherein the locking hook assembly and the locking hook assembly can be in sliding contact through the locking roller; one end of the locking roller reset spring is fixed on the fixed seat, and the other end of the locking roller reset spring is tightly pressed on the locking roller; one end of the locking hook component return spring is fixed on the fixed seat, the other end of the locking hook component return spring is pressed on the locking hook component, one end of the locking hook component return spring is fixed on the fixed seat, and the other end of the locking hook component return spring is pressed on the locking hook component; a silencing piece is injected at one side end of the cover plate assembly.
The utility model discloses a car seat back lock passes first hollow rivet and second hollow rivet respectively through two bolts and fixes on the seat, when pulling the seat, the seat lock is straight to the motion of automobile body set bar position direction, latch hook subassembly counter-clockwise motion promotes locking roller and drives only hook subassembly counter-clockwise turning when striking the set bar, when latch hook subassembly reaches the locking position, locking roller and only hook subassembly rely on locking roller reset spring and only hook subassembly reset spring to keep the locking position respectively, guarantee locking intensity, locking roller relies on locking roller reset spring to eliminate the clearance of latch hook subassembly and only hook subassembly, realize the self-locking function, the noise when having reduced the during operation; the silencing piece props against the lock bolt of the vehicle body, so that the gap is eliminated in an auxiliary mode, and the noise in the working process is reduced.
Preferably, the cover plate assembly comprises a cover plate body and a silencing piece, a trapezoidal opening is formed in one end, close to the lock bolt of the automobile body, of the cover plate body, and the edge of the trapezoidal opening is wrapped with the silencing piece in a plastic mode.
Adopt above-mentioned technical scheme's beneficial effect be, the noise that the amortization piece was used for seat lock locking in-process to produce.
Preferably, a plurality of injection molding reinforcing holes are formed in the cover plate assembly.
The beneficial effects of adopting above-mentioned technical scheme are that, the reinforcing hole of moulding plastics makes amortization piece and apron subassembly form the integrative structure of moulding plastics, increases the stability of amortization piece, has increased the intensity of moulding plastics.
Preferably, the injection molding reinforcing holes are four and are uniformly distributed along the trapezoid openings.
Adopt above-mentioned technical scheme's beneficial effect to be favorable to strengthening the stability of amortization piece more.
Preferably, the cover plate body is provided with a locking roller guide groove.
The technical scheme has the beneficial effects that the locking roller guide groove is used for guiding the locking roller so as to enable the locking roller to slide along a specified track.
Preferably, the lock hook assembly comprises a lock hook body and a lock hook body plastic-coated layer, the lock hook body plastic-coated layer is coated on the outer surface of the lock hook body, and the lock hook assembly is provided with a boss for limiting a return spring of the lock hook assembly; one end of the reset spring of the lock hook component is tightly pressed on the lock hook body.
The lock hook body has the beneficial effects that the lock hook body is wrapped with the plastic layer for eliminating noise; the reset spring of the lock hook assembly is sleeved on the plastic coating layer of the lock hook body, so that friction noise is eliminated; and the latch hook body is wrapped with the plastic layer and is integrally formed with the boss, so that the latch hook body is of an integral structure, simple in process and stable in structure.
Preferably, the stop hook assembly comprises a stop hook body and a stop hook body plastic-coated layer, the stop hook body plastic-coated layer is coated on the outer surface of the stop hook body, and a limiting block for ensuring the clearance of the return spring of the stop hook assembly is arranged; one end of the stop hook component return spring is pressed on the stop hook body.
The technical scheme has the beneficial effects that the plastic-coated layer of the hook stopping body is used for eliminating noise; the stop hook component return spring and the locking roller return spring are sleeved on the plastic-coated layer of the stop hook body, so that friction noise is eliminated; the stop hook component is integrally formed with the plastic coating layer through a limiting block, and is of an integrated structure, simple in process and stable in structure.
Preferably, the limiting blocks comprise horizontal limiting blocks and vertical limiting blocks, the horizontal limiting blocks are arc-shaped and symmetrically arranged, and the vertical cross sections of the vertical limiting blocks are U-shaped.
The technical scheme has the advantages that the horizontal limiting block horizontally limits the return spring of the stop hook assembly to prevent overlarge stretching; the vertical limiting block limits the stop hook assembly reset spring in the vertical direction, and deviation is prevented.
Preferably, the cover plate body is provided with at least two mounting holes for mounting the unlocking rod.
The technical scheme has the beneficial effects that the unlocking mode can be a stay wire fixing support or a lock rod due to the arrangement of the two mounting holes, and the application range is wide.
Preferably, the cover plate assembly and the hook stop assembly are made of QSTE420 steel.
According to the technical scheme, compare with prior art, the utility model discloses a car seat back lock, simple structure, cost are lower, have eliminated the noise that lock during operation latch hook subassembly and automobile body set bar clearance produced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded view of the backrest lock of the car seat provided by the present invention.
Fig. 2 is a schematic structural view of the backrest lock of the car seat provided by the present invention.
Fig. 3 is an exploded view of the cover plate assembly provided by the present invention.
Fig. 4 is an exploded view of the latch hook assembly provided by the present invention.
Fig. 5 is an exploded view of the stop hook assembly provided by the present invention.
Wherein, each figure is as follows:
1-cover plate component, 2-lock hook component, 3-lock hook component reset spring, 4-lock hook component, 5-locking roller, 6-unlocking rod fixing component, 7-unlocking rod, 8-locking roller reset spring, 9-lock hook component reset spring, 10-fixing seat, 11-first hollow rivet, 12-second hollow rivet and 13-vehicle body lock bolt.
101-cover plate body, 102-unlocking rod mounting hole, 103-locking roller guide groove, 104-injection molding reinforcing hole, 105-silencing piece, 201-locking hook body, 202-locking hook body plastic coating layer and 203-boss; 401-stop hook body, 402-stop hook body plastic coating layer, 403-horizontal limiting block, 404-vertical limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a lock for the backrest of an automobile seat, which comprises a cover plate component 1, a latch hook component 2, a latch hook component reset spring 3, a latch hook component 4, a locking roller 5, an unlocking rod fixing plastic piece 6, an unlocking rod 7, a locking roller reset spring 8, a latch hook component reset spring 9, a fixed seat 10, a first hollow rivet 11 and a second hollow rivet 12, the lock hook component 2 and the stop hook component 4 are in slidable contact through a locking roller 5, the first hollow rivet 11 penetrates through the fixed seat 10, the lock hook component return spring 9 is sequentially sleeved on the periphery of the first hollow rivet, the lock hook component 2 is riveted with the cover plate component 1, the second hollow rivet 12 penetrates through the fixed seat 10, and is sleeved with the locking roller return spring 8, the stop hook component 4 and the stop hook component return spring 3 in sequence and then is riveted with the cover plate component 1; one end of the locking roller reset spring 8 is fixed on the fixed seat 10, and the other end of the locking roller reset spring is pressed on the locking roller 5; one end of the latch hook component return spring 9 is fixed on the fixed seat 10, the other end of the latch hook component return spring is pressed on the latch hook component 2, one end of the stop hook component return spring 3 is fixed on the fixed seat 10, and the other end of the stop hook component return spring is pressed on the stop hook component 4; a silencing piece 105 is injected at one side end of the cover plate component 1.
The automobile seat backrest lock disclosed by the embodiment is fixed on a seat through two bolts respectively penetrating through a first hollow rivet 11 and a second hollow rivet 12, when the seat is pulled, the seat lock directly moves towards the position direction of an automobile body lock bolt 13, when the automobile body lock bolt 13 is impacted, a lock hook component 2 moves anticlockwise to push a lock roller 5 to drive a stop hook component 4 to rotate clockwise, when the lock hook component 2 reaches a locking position, the lock roller 5 and the stop hook component 4 respectively depend on a lock roller reset spring 8 and a stop hook component reset spring 2 to keep the locking position, the locking strength is ensured, the lock roller 4 depends on the lock roller reset spring 8 to eliminate the gap between the lock hook component and the stop hook component, the self-locking function is realized, and the noise during the working is reduced; the noise reduction member 105 abuts against the body lock bolt to assist in eliminating the gap and reducing noise during operation.
In order to further optimize the technical scheme, the cover plate assembly 1 comprises a cover plate body 101 and a cover plate body plastic coating layer 105, the cover plate body plastic coating layer 105 is coated on the outer surface of the cover plate body 101, four injection molding reinforcing holes 104 are formed in the cover plate body, and the cover plate body plastic coating layer 105 is used for eliminating noise; the injection molding integrated structure increases the strength of the cover plate body plastic coating layer 105.
In order to further optimize the technical scheme, the cover plate assembly 1 is provided with a plurality of injection molding reinforcing holes 104, and the injection molding reinforcing holes 104 enable the noise reduction piece 105 and the cover plate assembly 1 to form an injection molding integrated structure, so that the stability of the noise reduction piece 105 is improved, and the injection molding strength is improved.
In order to further optimize the technical scheme, four injection-molded reinforcing holes 104 are uniformly distributed along the trapezoid openings, so that the stability of the silencer 105 is enhanced.
In order to further optimize the above technical solution, the cover body is provided with a locking roller guide groove 103 for guiding the locking roller 5 so that the locking roller slides along a prescribed track.
In order to further optimize the technical scheme, the lock hook assembly 2 comprises a lock hook body 201 and a lock hook body plastic-coated layer 202, wherein the lock hook body plastic-coated layer 202 is coated on the outer surface of the lock hook body 201 and is provided with a boss 203 for limiting a return spring of the lock hook assembly; one end of a lock hook component reset spring 9 is tightly pressed on the lock hook body, the lock hook body plastic-coated layer 202 is used for eliminating noise, and the lock hook component reset spring 9 is sleeved on the lock hook body plastic-coated layer 202 to eliminate friction noise; and the lock hook body is wrapped with the plastic layer 202 to form the boss integrally, so that the process is simple and the structure is stable.
In order to further optimize the technical scheme, the stop hook assembly 4 comprises a stop hook body 401 and a stop hook body plastic-coated layer 402, wherein the stop hook body plastic-coated layer 402 is coated on the outer surface of the stop hook body 401 and is provided with a limiting block for ensuring the clearance of the return spring 3 of the stop hook assembly; one end of the hook stopping assembly reset spring 3 is tightly pressed on the hook stopping body, the plastic coating layer 402 of the hook stopping body is used for eliminating noise, and the hook stopping assembly reset spring 3 and the locking roller reset spring 8 are sleeved on the plastic coating layer 402 of the hook stopping body to eliminate friction noise; the stop hook component is integrally formed with the plastic coating layer through a limiting block, and is of an integrated structure, simple in process and stable in structure.
In order to further optimize the technical scheme, the limiting blocks comprise horizontal limiting blocks 403 and vertical limiting blocks 404, the horizontal limiting blocks 403 are arc-shaped and symmetrically arranged, and the vertical cross sections of the vertical limiting blocks 404 are U-shaped. The horizontal limiting block 403 horizontally limits the stop hook assembly return spring 3 to prevent excessive stretching; the vertical limiting block 404 limits the stop hook assembly return spring 3 in the vertical direction, and prevents deviation.
In order to further optimize the above technical solution, at least two unlocking lever mounting holes 102 are formed on the cover plate body 101. The two unlocking rod mounting holes 102 are arranged so that the unlocking mode can be a pull wire fixing bracket or a locking rod.
The utility model discloses a working process of car seat back lock does: the automobile seat backrest lock is fixed on a seat through two bolts respectively passing through a first hollow rivet 11 and a second hollow rivet 12, when the seat is pulled, the seat lock directly moves towards the position of an automobile body lock bolt 13, when the lock bolt 13 is impacted, a lock hook component 2 moves anticlockwise to push a lock roller 5 to drive a stop hook component 4 to rotate clockwise, when the lock hook component 2 reaches a locking position, the lock roller 5 and the stop hook component 4 respectively depend on a lock roller reset spring 8 and a stop hook component reset spring 2 to keep the locking position, the locking strength is ensured, and the lock roller 4 depends on the lock roller reset spring 8 to eliminate the gap between the lock hook component and the stop hook component, so that the self-locking function is realized; during unlocking, the stop hook assembly 3 rotates clockwise to push the locking roller 5 to slide, and the lock hook assembly 2 rotates clockwise under the action of the reset spring 9 of the lock hook assembly to separate from the lock bolt 13 of the vehicle body, so that the seat unlocking function is realized.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A car seat back lock, comprising: the locking mechanism comprises a cover plate assembly (1), a locking hook assembly (2), a locking hook assembly reset spring (3), a locking hook assembly (4), a locking roller (5), an unlocking rod fixing piece (6), an unlocking rod (7), a locking roller reset spring (8), a locking hook assembly reset spring (9), a fixing seat (10), a first hollow rivet (11) and a second hollow rivet (12), wherein the locking hook assembly (2) is in slidable contact with the locking hook assembly (4) through the locking roller (5), the first hollow rivet (11) penetrates through the fixing seat (10) and is sequentially sleeved with the locking hook assembly reset spring (9) at the periphery, and the locking hook assembly (2) is riveted with the cover plate assembly (1); the second hollow rivet (12) penetrates through the fixed seat (10), and the locking roller return spring (8), the stop hook component (4) and the stop hook component return spring (3) are sequentially sleeved on the periphery of the second hollow rivet and then riveted with the cover plate component (1);
one end of the locking roller reset spring (8) is fixed on the fixed seat (10), and the other end of the locking roller reset spring is pressed on the locking roller (5); one end of the latch hook component return spring (9) is fixed on the fixed seat (10), and the other end of the latch hook component return spring is pressed on the latch hook component (2); one end of the stop hook component return spring (3) is fixed on the fixed seat (10), and the other end of the stop hook component return spring is tightly pressed on the stop hook component (4); and a silencing piece (105) is injected at one side end of the cover plate component (1).
2. The car seat backrest lock according to claim 1, characterized in that the cover plate assembly (1) comprises a cover plate body (101) and a noise reduction piece (105), wherein a trapezoid opening is formed in one end, close to the car body lock bolt (13), of the cover plate body (101), and the noise reduction piece (105) is wrapped along the edge of the trapezoid opening.
3. The lock for the backrest of the car seat as claimed in claim 2, wherein said cover plate assembly (1) is provided with a plurality of injection-molded reinforcement holes (104).
4. The car seat back lock according to claim 3, characterized in that the injection-molded reinforcement holes (104) are four in number and are evenly distributed along the trapezoid-shaped opening.
5. The vehicle seat back lock according to claim 2, wherein the cover body (101) is provided with a locking roller guide groove (103).
6. The automobile seat backrest lock according to claim 1, wherein the lock hook assembly (2) comprises a lock hook body (201) and a lock hook body plastic-coated layer (202), the lock hook body plastic-coated layer (202) is coated on the outer surface of the lock hook body (201) and is provided with a boss (203) for limiting the lock hook assembly return spring (9); one end of the latch hook component return spring (9) is pressed on the latch hook body (201).
7. The car seat back lock according to claim 1, characterized in that the check hook assembly (4) comprises a check hook body (401) and a check hook body plastic coating (402); the plastic coating layer (402) of the stop hook body is coated on the outer surface of the stop hook body (401), and a limiting block for ensuring the clearance of the return spring (3) of the stop hook assembly is arranged; one end of the stop hook component return spring (3) is fixed on the stop hook body (401).
8. The automobile seat backrest lock as claimed in claim 7, wherein the limiting blocks comprise a horizontal limiting block (403) and a vertical limiting block (404), the horizontal limiting block (403) is arc-shaped and symmetrically arranged; the vertical section of the vertical limiting block (404) is U-shaped.
9. The car seat backrest lock according to claim 1, characterized in that, at least two unlocking lever mounting holes (102) are formed on the cover plate component (1).
10. The car seat back lock according to any one of claims 1 to 9, wherein the cover plate assembly (1), the latch hook assembly (2) and the check hook assembly (4) are made of QSTE420 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120127194.7U CN214215555U (en) | 2021-01-18 | 2021-01-18 | Automobile seat backrest lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120127194.7U CN214215555U (en) | 2021-01-18 | 2021-01-18 | Automobile seat backrest lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214215555U true CN214215555U (en) | 2021-09-17 |
Family
ID=77690965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120127194.7U Active CN214215555U (en) | 2021-01-18 | 2021-01-18 | Automobile seat backrest lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214215555U (en) |
-
2021
- 2021-01-18 CN CN202120127194.7U patent/CN214215555U/en active Active
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