CN212604718U - Manual locking assembly of leg support extension mechanism and leg support extension mechanism - Google Patents
Manual locking assembly of leg support extension mechanism and leg support extension mechanism Download PDFInfo
- Publication number
- CN212604718U CN212604718U CN202021073946.8U CN202021073946U CN212604718U CN 212604718 U CN212604718 U CN 212604718U CN 202021073946 U CN202021073946 U CN 202021073946U CN 212604718 U CN212604718 U CN 212604718U
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- claw
- seat basin
- lock claw
- handle
- support
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- 210000000078 claw Anatomy 0.000 claims abstract description 119
- 238000009434 installation Methods 0.000 claims description 23
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a manual locking subassembly of mechanism is extended to leg support, including unblock handle, lock claw, handle support and lock claw support, the middle part of unblock handle can be installed on the handle support with rotating, and the middle part of lock claw can be installed on the lock claw support with rotating, and the lock claw front end is located the below of unblock handle rear end, and the lock claw rear end is provided with downwardly extending's claw, and lock claw and unblock handle homoenergetic return under return spring's drive separately. The utility model also discloses a leg holds in palm extends mechanism, including seat skeleton and the front seat basin of installing on seat skeleton, be provided with gliding extension seat basin around can on the front seat basin, be provided with foretell manual locking subassembly between front seat basin and extension seat basin. The utility model discloses a manual locking subassembly design benefit through unblock handle drive locking claw, avoids locking claw to rotate the space undersize, utilizes the chain reaction of unblock handle and locking claw to realize the unblock in limited space.
Description
Technical Field
The utility model belongs to seat leg holds in the palm and extends the mechanism field, concretely relates to manual locking subassembly and leg support that leg support extended mechanism extend the mechanism.
Background
The automobile seat leg support extension mechanism can improve the comfort of taking a passenger, the existing leg support extension mechanism has two modes of manual control and electric control, the manual leg support extension mechanism is low in cost and high in cost performance, and the locking assembly of the existing manual leg support extension mechanism is complex in structure, large in size and not beneficial to installation and arrangement.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing a simple structure is reliable, and the leg of being convenient for to install and arranging holds in the palm manual locking subassembly and the leg of extending the mechanism and hold in the palm extension mechanism.
Therefore, the utility model discloses the technical scheme who adopts does: a manual locking assembly of a leg support extension mechanism comprises an unlocking handle, a locking claw, a handle support and a locking claw support, wherein the middle of the unlocking handle is rotatably installed on the handle support, the middle of the locking claw is rotatably installed on the locking claw support, the front end of the locking claw is located below the rear end of the unlocking handle, the rear end of the locking claw is provided with a claw extending downwards, the locking claw and the unlocking handle can return under the driving of respective return springs, when the unlocking handle is lifted to rotate, the rear end of the unlocking handle rotates downwards and drives the front end of the locking claw to rotate downwards, so that the claw at the rear end of the locking claw is lifted upwards, and unlocking is achieved.
Preferably, the handle support is of an n-shaped structure, the unlocking handle is installed between the two vertical sections of the handle support through a pin shaft, a notch extending from the middle to the rear end is formed in the unlocking handle, the return spring is installed on the pin shaft and located in the notch, the rear end of the unlocking handle is bent upwards, and a compression rod for driving a locking claw is arranged between two side groove walls at the tail end of the notch;
the front end of lock claw support extends to scarce inslot from the depression bar below, and the rear end is buckled forward again after upwards buckling, forms the installation department lock claw support middle part is provided with lock claw installation journal stirrup and lock claw hole, the lock claw hole is located lock claw installation journal stirrup rear, the lock claw is installed on lock claw installation journal stirrup through the round pin axle, the lock claw front end is located the below of depression bar, and the claw of rear end is to passing the lock claw hole downwards. By adopting the structure, the manual locking assembly is compact in structure, small in occupied space and convenient to install.
Preferably, the middle part of the locking claw is provided with a hinge support lug corresponding to the locking claw mounting support lug, a spring abdicating hole is formed between the two hinge support lugs on the locking claw, and the hinge support lugs are hinged on the locking claw mounting support lug through hinge shafts and used for driving the locking claw to return and the return spring is mounted on the hinge shafts between the two hinge support lugs. By adopting the structure, the mounting structure of the locking claw and the return spring is stable and reliable.
Preferably, the lower surface of the locking claw contacted with the locking claw bracket is a curved surface with the front end and the rear end being tilted upwards. By adopting the structure, the lock claw can be more smoothly contacted with the lock claw bracket when rotating.
Preferably, the claw of the locking claw is in an n-shaped structure which is symmetrical left and right. By adopting the structure, the claw is matched with the locking hole in a double-insurance mode, the positioning is accurate, stable and reliable, and meanwhile, the phenomenon that the locking hole is too large to influence the strength of the parting strip between the adjacent locking holes and the strength of the front seat basin is avoided.
The utility model provides a leg holds in palm extends mechanism, includes the seat skeleton and installs the front seat basin on the seat skeleton be provided with gliding extension seat basin around can on the front seat basin be provided with foretell manual locking subassembly between front seat basin and the extension seat basin, the equal fixed mounting of handle support and lock claw support is on extending the seat basin.
Preferably, the left side and the right side of the front seat basin are high, the middle part of the front seat basin is low, and mounting flanges are formed on the left side and the right side and are used for being fixed on a seat framework;
the extension seat basin is installed in the middle of the front seat basin through a slide way sliding block assembly, the middle of the extension seat basin protrudes upwards, and the protruding portion is of an n-shaped structure with a forward opening, so that a manual locking assembly installation space is formed between the front seat basin and the extension seat basin. By adopting the structure, the middle part of the front seat basin is low, so that the installation of the extension seat basin is convenient, and the front end of the seat is prevented from being overhigh; the middle part of the extension seat basin is protruded, so that the manual locking assembly is convenient to install, and the foam is supported.
Preferably, the front side and the left and right sides of the extension seat basin are provided with upwards protruding supporting flanges, and the supporting flanges are flush with the upper end face of the middle part of the extension seat basin. By adopting the structure, the support flanging is not only used for supporting foam, but also can improve the strength of the extension seat basin, and effectively avoids the deformation of the extension seat basin.
Preferably, the front end of the extension seat basin is provided with a baffle plate extending downwards, the baffle plate is positioned in front of the front seat basin, and the middle part of the baffle plate is provided with a notch for the unlocking handle to penetrate out. By adopting the structure, the baffle is used for supporting the surface sleeve and plays a limiting role in extending the seat basin.
The utility model has the advantages that: manual locking subassembly design benefit through unblock handle drive locking claw, avoids locking claw rotation space undersize, utilizes the chain reaction of unblock handle and locking claw to realize the unblock in limited space, simultaneously, realizes the unblock through lifting the unblock handle, can avoid the passenger to unblock unintentionally, leads to the mistake to open the leg and holds in the palm extension mechanism.
Drawings
FIG. 1 is a schematic structural view of a manual locking assembly;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic mechanical view of the leg rest extension mechanism;
fig. 4 is an exploded view of fig. 3.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
as shown in fig. 1 and 2, a manual locking assembly of a leg rest extension mechanism mainly comprises an unlocking handle 4, a locking claw 5, a handle bracket 6 and a locking claw bracket 7.
As shown in fig. 1 to 4, the middle of the unlocking handle 4 can be rotatably installed on the handle support 6, in this embodiment, the handle support 6 is an n-shaped structure, the horizontal section of the handle support can be fixed on the extension seat basin 3 through bolts or welding, the unlocking handle 4 is provided with a notch 401 extending from the middle to the rear end, the middle of the unlocking handle 4 is hinged between two vertical sections of the handle support 6 through a pin shaft, the pin shaft is provided with two return springs 8 for driving the unlocking handle 4 to return, the two return springs 8 are arranged in bilateral symmetry and are both located in the notch 401, the rear end of the unlocking handle 4 is bent upwards, so that the unlocking handle 4 and the locking claw 5 both have enough rotating space, and a compression bar 402 for driving the locking claw 5 is arranged between two side groove walls at the rear end of the notch 401.
Further, the locking claw support 7 is long-strip-shaped, the front end of the locking claw support 7 extends into the notch 401 from the lower portion of the pressure lever 402, the rear end of the locking claw support is bent upwards and then bent forwards to form an installation portion 701, the installation portion 701 can be fixed on the extension seat basin 3 through bolts or a welding mode, a locking claw hole 703 and two locking claw installation support lugs 702 are arranged in the middle of the locking claw support 7, the two locking claw installation support lugs 702 are arranged in a bilateral symmetry mode, and the locking claw hole 703 is located behind the locking claw installation support lugs 702. The locking claw 5 is a curved surface structure with the front end and the rear end being upturned, so that the contact between the locking claw 5 and the locking claw bracket 7 is smoother, the rear end of the locking claw 5 is provided with a claw which extends downwards, the claw is in an n-shaped structure which is symmetrical left and right, the middle part of the locking claw 5 is provided with two hinged lugs 502 which correspond to the locking claw mounting lugs 702, a spring abdicating hole 501 is arranged between the two hinged lugs 502 on the locking claw 5, the hinged lugs 502 are hinged on the locking claw mounting lugs 702 through a hinged shaft, another return spring 8 is arranged between the two hinged lugs 502 on the hinged shaft, the return spring 8 is used for driving the locking claw 5 to return, the front end of the locking claw 5 is positioned below the compression rod 402, the claw at the rear end of the locking claw 5 downwards passes through the locking claw hole 703 and is matched with the corresponding locking hole 201, so as to realize the locking of the extension seat basin 3, the claw adopts the n-shaped structure, so that the claw is in double insurance with the locking hole 201, the location is accurate, and is reliable and stable, has avoided locking hole 201 too big simultaneously, has influenced the parting bead between the adjacent locking hole 201 and the intensity of front seat basin 2.
Further, when the unlocking handle 4 is lifted to enable the front end of the unlocking handle 4 to rotate upwards, the rear end of the unlocking handle 4 rotates downwards and drives the front end of the locking claw 5 to rotate downwards, the rear end of the locking claw 5 is made to exit from a locking hole 201 to be described later, unlocking is achieved, when the extension seat basin 3 slides in place, the unlocking handle 4 is loosened, the unlocking handle 4 and the locking claw 5 return under the driving of respective return springs 8, and the claw of the locking claw 5 is inserted into the locking hole 201 again to achieve locking.
As shown in fig. 3 and 4, a leg rest extension mechanism mainly comprises a seat framework 1, a front seat basin 2, an extension seat basin 3, a slide way sliding block assembly 11 and the manual locking assembly.
As shown in fig. 3 and 4, front seat basin 2 fixed mounting is on seat skeleton 1, front seat basin 2 adopts the left and right sides height, the structure that the middle part is low, be convenient for install and extend seat basin 3, avoid the anterior too high influence of seat to take the travelling comfort, be provided with two rows of locking holes 201 of even interval arrangement in front and back in front seat basin 2's middle part, front seat basin 2's the left and right sides upwards outwards buckles again downwards, form installation turn-ups 202, the sheet metal component of the 1 left and right sides of seat skeleton imbeds respectively in the installation turn-ups 202 that corresponds, and pass through bolted connection. Extend seat basin 3 and can install on front seat basin 2 with sliding, in this embodiment, it installs at front seat basin 2 middle part to extend seat basin 3 through slide slider assembly 11, slide slider assembly 11's slide is fixed on front seat basin 2, slide slider assembly 11's slider is fixed on extending seat basin 3, slide slider assembly 11 adopts thin structure, reduce occupation space, it upwards projects to extend seat basin 3 middle part, make front seat basin 2 and extend and form manual locking subassembly installation space between the seat basin 3, also play the effect of supporting the foam simultaneously, the bulge that extends seat basin 3 is "n" shape structure that the opening is preceding, "manual locking subassembly can be matchd to" n "shape structure, the manual locking subassembly's of being convenient for arrangement installation. Extend the preceding of seat basin 3, a left side, right side three sides are provided with the support turn-ups 302 of upwards outwards buckling again downwards, the support turn-ups 302 of three sides is continuous, support turn-ups 302 and the up end at extension seat basin 3 middle part flush, support turn-ups 302 and play the effect of supporting the foam, avoid the foam to sink, the influence riding comfort, the intensity of extending seat basin 3 self has also been improved simultaneously, be provided with downwardly extending's baffle 301 on the support turn-ups 302 of front side, baffle 301 is located 2 the place ahead of front seat basin, baffle 301 plays the effect of supporting the face cover, play spacing effect to extending seat basin 3 simultaneously, baffle 301 middle part is provided with the short groove, the front end of unblock handle 4 stretches out from this short groove, the passenger operation of being convenient for.
Claims (9)
1. The utility model provides a manual locking subassembly of mechanism is extended to leg support which characterized in that: the unlocking device comprises an unlocking handle (4), a locking claw (5), a handle support (6) and a locking claw support (7), wherein the middle of the unlocking handle (4) can be rotatably installed on the handle support (6), the middle of the locking claw (5) can be rotatably installed on the locking claw support (7), the front end of the locking claw (5) is located below the rear end of the unlocking handle (4), the rear end of the locking claw (5) is provided with a claw extending downwards, the locking claw (5) and the unlocking handle (4) can return under the driving of respective return springs (8), when the unlocking handle (4) is lifted to rotate, the rear end of the unlocking handle (4) rotates downwards, the front end of the locking claw (5) is driven to rotate downwards, and the claw at the rear end of the locking claw (5) is lifted upwards to realize unlocking.
2. The manual locking assembly of a leg rest extension mechanism of claim 1, wherein: the handle support (6) is of an n-shaped structure, the unlocking handle (4) is installed between two vertical sections of the handle support (6) through a pin shaft, a notch (401) extending from the middle to the rear end is formed in the unlocking handle (4), the return spring (8) is installed on the pin shaft and located in the notch (401), the rear end of the unlocking handle (4) is bent upwards, and a pressing rod (402) used for driving the locking claw (5) is arranged between two side groove walls at the tail end of the notch (401);
the front end of lock claw support (7) extends to scarce groove (401) from depression bar (402) below in, and the rear end is buckled forward again after upwards buckling, forms installation department (701) lock claw support (7) middle part is provided with lock claw installation journal stirrup (702) and lock claw hole (703), lock claw hole (703) are located lock claw installation journal stirrup (702) rear, lock claw (5) are installed on lock claw installation journal stirrup (702) through the round pin axle, lock claw (5) front end is located the below of depression bar (402), and the claw of rear end passes lock claw hole (703) downwards.
3. The manual locking assembly of a leg rest extension mechanism of claim 2, wherein: the middle part of lock claw (5) is provided with articulated journal stirrup (502) that correspond with lock claw installation journal stirrup (702) be provided with spring hole of stepping down (501) between two articulated journal stirrups (502) on lock claw (5), articulated journal stirrup (502) articulate on lock claw installation journal stirrup (702) through the articulated shaft for drive lock claw (5) return spring (8) are installed on the articulated shaft between two articulated journal stirrups (502).
4. The manual locking assembly of a leg rest extension mechanism of claim 3, wherein: the lower surface of the lock claw (5) contacted with the lock claw bracket (7) is a curved surface with the front end and the rear end being upwarped.
5. The manual locking assembly of a leg rest extension mechanism of claim 1, wherein: the claws of the locking claws (5) are in an n-shaped structure which is symmetrical left and right.
6. The utility model provides a leg holds in palm extension mechanism, includes seat skeleton (1) and installs front seat basin (2) on seat skeleton (1) be provided with gliding extension seat basin (3) around can on front seat basin (2), its characterized in that: a manual locking assembly according to any one of claims 1 to 5 is arranged between the front seat basin (2) and the extension seat basin (3), and the handle bracket (6) and the locking claw bracket (7) are fixedly arranged on the extension seat basin (3).
7. The leg rest extension mechanism of claim 6, wherein: the left side and the right side of the front seat basin (2) are high, the middle part of the front seat basin is low, and mounting flanges (202) are formed on the left side and the right side and are used for being fixed on the seat framework (1);
the extension seat basin (3) is installed in the middle of the front seat basin (2) through a slide way sliding block assembly (11), the middle of the extension seat basin (3) protrudes upwards, and the protruding part is of an n-shaped structure with a forward opening, so that a manual locking assembly installation space is formed between the front seat basin (2) and the extension seat basin (3).
8. The leg rest extension mechanism of claim 6, wherein: the front side and the left side and the right side of the extending seat basin (3) are provided with upwards-protruding supporting flanges (302), and the supporting flanges (302) are flush with the upper end face of the middle part of the extending seat basin (3).
9. The leg rest extension mechanism of claim 6, wherein: extend seat basin (3) front end and be provided with downwardly extending's baffle (301), baffle (301) are located front seat basin (2) the place ahead, just baffle (301) middle part is provided with the scarce groove that supplies unblock handle (4) to wear out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021073946.8U CN212604718U (en) | 2020-06-11 | 2020-06-11 | Manual locking assembly of leg support extension mechanism and leg support extension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021073946.8U CN212604718U (en) | 2020-06-11 | 2020-06-11 | Manual locking assembly of leg support extension mechanism and leg support extension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212604718U true CN212604718U (en) | 2021-02-26 |
Family
ID=74715516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021073946.8U Active CN212604718U (en) | 2020-06-11 | 2020-06-11 | Manual locking assembly of leg support extension mechanism and leg support extension mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212604718U (en) |
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2020
- 2020-06-11 CN CN202021073946.8U patent/CN212604718U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Patentee after: Magna Hongli Automotive System Group Co.,Ltd. Country or region after: China Address before: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Patentee before: Chongqing Hongli Zhixin Technology Development Group Co.,Ltd. Country or region before: China Address after: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Patentee after: Chongqing Hongli Zhixin Technology Development Group Co.,Ltd. Country or region after: China Address before: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Patentee before: CHONGQING HONGLI ZHIXIN TECHNOLOGY DEVELOPMENT GROUP Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |