CN217672307U - Seat with bolt release mechanism - Google Patents
Seat with bolt release mechanism Download PDFInfo
- Publication number
- CN217672307U CN217672307U CN202120756591.0U CN202120756591U CN217672307U CN 217672307 U CN217672307 U CN 217672307U CN 202120756591 U CN202120756591 U CN 202120756591U CN 217672307 U CN217672307 U CN 217672307U
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- seat
- locking piece
- pivot
- release mechanism
- assembly
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Abstract
The utility model relates to a seat with bolt release mechanism, it includes the seat skeleton, bolt release mechanism and structure, wherein, the structure passes through bolt release mechanism and installs on the seat skeleton, bolt release mechanism includes the pivot, pivot locking piece and pull rod assembly, pivot locking piece vertical fixation is in the pivot, the structure is including the structure locking piece that has first central shaft hole, the pull rod assembly is including the pull rod locking piece that has second central shaft hole, the pivot is passed the first central shaft hole of structure locking piece and is extended with the second central shaft hole of pull rod locking piece, the pull rod locking piece has the round pin, the structure locking piece has the perforating hole that supplies the round pin to pass, the pivot locking piece has and supplies round pin male mating holes so that lock pivot and structure. According to the seat with the bolt unlocking mechanism, the structural part and the rotating shaft follow up in the locking state; in the unlocked state, the structural member and the shaft move independently.
Description
Technical Field
The present invention relates to seats, and more particularly to a seat having a latch release mechanism.
Background
It is known to provide a table on the back of a seat for use by rear passengers. During the process of adjusting the backrest forwards or backwards, the table board can incline along with the backrest, and the user experience is affected. In order to solve this problem, a related solution has been proposed in the case of electrically adjustable seats, namely a gearbox-flexible shaft drive. The rotation direction and the speed are changed through a gear box driving mechanism, and the rotation of the angle adjuster synchronous rod is converted into the rotation of the table plate so as to keep the table plate horizontal all the time in the use process. The desk plate has a folded state close to the backrest besides the horizontal use state, and when the folded state of the desk plate is detected, a gear box for driving the desk plate is disconnected. Obviously, this disconnection of the drive is limited to the electrically adjustable seat only.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the table is only limited to the electric adjusting seat from the horizontal table along with the inclination of the backrest in the prior art, the utility model provides a seat with a bolt unlocking mechanism.
According to the utility model discloses a seat with bolt release mechanism, it includes the seat skeleton, bolt release mechanism and structure, wherein, the structure passes through bolt release mechanism and installs on the seat skeleton, bolt release mechanism includes the pivot, pivot locking piece and pull rod assembly, pivot locking piece vertical fixation is in the pivot, the structure is including the structure locking piece that has first central shaft hole, the pull rod assembly is including the pull rod locking piece that has second central shaft hole, the pivot is passed the first central shaft hole of structure locking piece and is extended with the second central shaft hole of pull rod locking piece, the pull rod locking piece has the round pin, the structure locking piece has the perforating hole that supplies the round pin to pass, the pivot locking piece has and supplies round pin male mating holes so that locking pivot and structure.
Preferably, the structural member is a table and the structural lock is a table lock.
Preferably, the structural member is a handrail.
Preferably, the pivot locking piece is the cushion panel beating, and the structure is the back panel beating.
Preferably, the seat further comprises a four-bar linkage, the seat frame comprises a backrest and a seat cushion, the structural member is self-balanced mounted on the backrest through the four-bar linkage, and the rotation angle of the backrest relative to the seat cushion is compensated to the structural member through the four-bar linkage so that the structural member is always kept in a horizontal position.
Preferably, the structure has a use condition and a folded condition, the pivot and the structure being locked in the use condition such that the structure remains in a horizontal position, and the pivot and the structure being unlocked in the folded condition such that the structure remains stationary relative to the backrest.
Preferably, the structural member further includes a limiting member and a supporting member, the pull rod assembly further includes a limiting rod fixedly connected to the pull rod locking member and a connecting rod fixedly connected to the limiting rod, wherein the limiting rod corresponds to the limiting member to limit the unlocking stroke of the pull rod assembly, and the connecting rod is mounted on the supporting member.
Preferably, the latch release mechanism further includes a return spring for providing a force to return the drawbar assembly.
Preferably, the latch release mechanism further includes a release catch or release button coupled to the lever assembly to provide a point of application for the occupant to provide force to the lever assembly.
According to the seat with the bolt unlocking mechanism, the structural part and the rotating shaft follow up in the locking state; in the unlocked state, the structural member and the spindle move independently, thereby not being limited to electrically adjustable seats. In a word, according to the utility model discloses a seat with bolt release mechanism, simple structure, the cost is lower relatively, is applicable to various seat skeleton platforms.
Drawings
Fig. 1 illustrates a process in which a backrest of a seat having a latch release mechanism according to a first preferred embodiment of the present invention is folded backward;
fig. 2 illustrates a process in which a backrest of a seat having a latch release mechanism according to a first preferred embodiment of the present invention is folded forward;
FIG. 3 illustrates a table assembly of a seat having a latch release mechanism according to a first preferred embodiment of the present invention in a stowed condition unaffected by the backrest being folded back or forward;
FIG. 4 is an assembled schematic view of the spindle assembly and the table assembly of FIGS. 1-3;
FIG. 5 illustrates the unlocking principle of the table assembly of FIG. 4;
fig. 6 is a schematic structural view of a seat having a latch release mechanism according to a second preferred embodiment of the present invention;
fig. 7 is a schematic structural view of a seat having a latch release mechanism according to a third preferred embodiment of the present invention;
fig. 8 is a structural schematic diagram of the latch release mechanism of fig. 7.
Detailed Description
The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-2, a seat with a latch unlocking mechanism according to a preferred embodiment of the present invention includes a seat frame 1, a four-bar linkage 2, a rotation shaft assembly 3 and a table assembly 4, wherein the seat frame 1 includes a backrest 11 and a seat cushion 12, and the table assembly 4 is self-balancedly mounted on the backrest 11 through the four-bar linkage 2 and the rotation shaft assembly 3. In particular, the table assembly 4 has a table 41 (also referred to as a structural member), the table 41 having a use state and a collapsed state; in the use state of the table 41, the rotation shaft assembly 3 and the table assembly 4 are relatively locked, the backrest 11 is in the full stroke of being turned relative to the seat cushion 12 (including the process of being turned backwards from the design position in fig. 1 and the process of being turned forwards from the design position in fig. 2), and the table 41 is always kept in the horizontal position relative to the floor; in the folded state of the table 41, the rotating shaft assembly 3 and the table assembly 4 are unlocked, and the backrest 11 is at different rotation angles (as shown in fig. 3), and the table 41 is attached to the backrest 11, i.e. the table 41 is kept stationary relative to the backrest 11. Specifically, in the process of turning the backrest 11 backwards as shown in fig. 1, the four-bar linkage 2 rotates clockwise relative to the backrest 11 to drive the table plate 41 to rotate clockwise around the rotating shaft assembly 3, and the rotation angle of the table plate 41 is equal to that of the backrest 11 to realize self-balancing; conversely, when the backrest 11 is folded forwards as shown in fig. 2, the table plate 41 rotates counterclockwise by an equal angle to achieve self-balancing; after the pivot assembly 3 and the table assembly 4 are unlocked, the position of the table 41 with respect to the backrest 11 is always unchanged regardless of how the backrest 11 is folded in fig. 3.
As shown in fig. 4, in addition to the above-mentioned table 41, the table assembly 4 further includes a lever assembly 42, a return spring 43 and an unlocking knob 44, wherein the lever assembly 42 is snap-fitted to the table 41 and detachably connected to the shaft assembly 3, the return spring 43 is snap-fitted between the table 41 and the lever assembly 42 to provide a force for returning the lever assembly 42, and the unlocking knob 44 is snap-fitted to the table 41 and connected to the lever assembly 42 to provide a force point for a passenger to apply a force to the lever assembly 42 to disengage it from the shaft assembly 3.
The table plate 41 comprises a table plate locking member 411, a limiting member 412, a supporting member 413 and a handle mounting portion 414, wherein the middle portion of the table plate locking member 411 is provided with a first central shaft hole for the rotation shaft assembly 3 to extend through, the table plate locking member 411 is further provided with a through hole for the pin 42a of the pull rod assembly 42 to extend through so as to connect the pull rod assembly 42 with the rotation shaft assembly 3, the limiting member 412 is located in the releasing direction of the pull rod assembly 42 so as to limit the releasing stroke of the pull rod assembly 42, the supporting member 413 provides support and clamping for the pull rod assembly 42 and is used for mounting the return spring 43, and the handle mounting portion 414 is adjacent to the periphery of the table plate 41 so as to provide a placing/clamping position for the unlocking handle 44 so as to apply an acting force to passengers. The table plate 41 further includes a lock lever 415, and when the table plate 41 is closed, the lock lever 415 is engaged with the notch of the backrest 11 to fix the table plate 41 to the backrest 11.
The pull rod assembly 42 includes a pull rod locking member 421, a limiting rod 422 and a connecting rod 423, wherein the middle portion of the pull rod locking member 421 has a second central shaft hole for the rotation shaft assembly 3 to extend through, a pin 42a is disposed around the central shaft hole and corresponds to the through hole of the table locking member 411, the limiting rod 422 is fixedly connected (e.g., welded) to the pull rod locking member 421 and corresponds to the limiting member 412 to provide limiting, the connecting rod 423 is fixedly connected (e.g., welded) to the limiting rod 422 and is mounted on the supporting member 413 to be clamped, the return spring 43 is sleeved on the connecting rod 423 and abuts against the supporting member 413 to provide a return force, and the unlocking handle 44 is connected to the end of the connecting rod 423 away from the limiting rod 422 to provide a disengagement force.
The hinge assembly 3 includes a hinge 31 and a hinge locking member 32, wherein the hinge 31 extends through the central shaft holes of the table locking member 411 and the lever locking member 421, the hinge locking member 32 is vertically fixed (e.g. welded) to the hinge 31, and the hinge locking member 32 further has a fitting hole 32a for inserting a pin 42a of the lever locking member 421 so that the lever assembly 42 is connected to the hinge assembly 3 to lock the hinge assembly 3 and the table assembly 4.
In the present embodiment, the latch unlocking mechanism is provided by the spindle assembly 3 (i.e., the spindle 31 and the spindle lock 32) and the table assembly 4 other than the table 41 (i.e., the lever assembly 42, the return spring 43, and the unlocking catcher 44), so as to define the locked state and the unlocked state of the spindle assembly 3 and the table assembly 4, i.e., define the locked state and the unlocked state of the spindle 31 and the table 41.
When the table 41 needs to be folded, the unlocking handle 44 is pulled to the right along the arrow Z1, the return spring 43 is compressed along the arrow Z2, the pull rod assembly 42 moves to the right along the arrow Z3, the pin 42a (see fig. 4) of the pull rod assembly 42 is disengaged from the engagement hole 32a of the rotation shaft assembly 3 and abuts against the through hole of the table locking piece 411, the rotation shaft assembly 3 and the table assembly 4 are unlocked, and the table 41 can be pressed downward until the table 41 is fixed on the backrest 11 by the locking rod 415 being engaged with the bayonet on the backrest 11, as shown in fig. 5. Specifically, at this time, since the return spring 43 is in the compressed state, when the table 41 is lifted up again, the compressed return spring 43 will provide a restoring force, and the pushing pin 42a automatically falls into the fitting hole 32a of the rotating shaft assembly 3, and returns to the locked state of the rotating shaft assembly 3 and the table assembly 4.
As shown in fig. 6, the seat with the latch release mechanism according to the second preferred embodiment of the present invention includes an armrest assembly 4', which corresponds to the table assembly 4 of the first embodiment. The same portions as those of the first embodiment will not be described in detail. In the prior art, the armrest is in a free movement state when being laid flat, and the armrest can shake in the driving process of a vehicle. According to the utility model discloses an armrest assembly 4 'of seat with bolt release mechanism of second preferred embodiment is through bolt release mechanism locking when setting level, can realize the unblock through pressing unlock button 44', makes it get back to and packs up the state.
As shown in fig. 7 to 8, the seat with the latch unlocking mechanism according to the third preferred embodiment of the present invention includes a cushion metal plate 32 "and a back metal plate 41", wherein the cushion metal plate 32 "corresponds to the rotating shaft locking piece 32 in the first embodiment, and the back metal plate 41" corresponds to the table plate 41 in the first embodiment. In the prior art, the backrest is in a free movement state when being laid flat, and the backrest can shake in the driving process of a vehicle. According to the utility model discloses a back of seat with bolt release mechanism of third preferred embodiment passes through bolt release mechanism locking when setting level, can realize the unblock through pressing unlock button 44", makes it get back to and packs up the state.
What has been described above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and various changes can be made in the above-described embodiment of the present invention. All the simple and equivalent changes and modifications made according to the claims and the content of the specification of the present invention fall within the scope of the claims of the present invention. The present invention is not described in detail in the conventional technical content.
Claims (9)
1. The utility model provides a seat with bolt release mechanism, a serial communication port, this seat includes the seat skeleton, bolt release mechanism and structure, wherein, the structure passes through bolt release mechanism and installs on the seat skeleton, bolt release mechanism includes the pivot, pivot locking piece and pull rod assembly, pivot locking piece vertical fixation is in the pivot, the structure is including the structure locking piece that has first centre shaft hole, the pull rod assembly is including the pull rod locking piece that has second centre shaft hole, the pivot is passed the first centre shaft hole of structure locking piece and is extended with the second centre shaft hole of pull rod locking piece, the pull rod locking piece has the round pin, the structure locking piece has the perforating hole that supplies the round pin to pass, the pivot locking piece has supplies round pin male mating holes so that lock pivot and structure.
2. The seat of claim 1, wherein the structural member is a table and the structural lock is a table lock.
3. The seat of claim 1, wherein the structural member is an armrest.
4. The seat according to claim 1, wherein the pivot locking member is a sheet metal cushion and the structural member is a sheet metal backrest.
5. The seat of claim 1, further comprising a four-bar linkage, wherein the seat frame comprises a back and a seat cushion, the structural member is self-balancing mounted to the back by the four-bar linkage, and the angle of rotation of the back relative to the seat cushion is compensated to the structural member by the four-bar linkage such that the structural member is always maintained in a horizontal position.
6. The seat according to claim 5, wherein the structure has an in-use condition and a stowed condition, the pivot and the structure being locked in the in-use condition such that the structure remains horizontally positioned, and the pivot and the structure being unlocked in the stowed condition such that the structure remains stationary relative to the backrest.
7. The seat according to claim 1, wherein the structure further comprises a retaining member and a support member, the linkage assembly further comprises a retaining rod fixedly connected to the linkage locking member and a connecting rod fixedly connected to the retaining rod, wherein the retaining rod corresponds to the retaining member to limit the unlocking travel of the linkage assembly, and the connecting rod is mounted to the support member.
8. The seat of claim 1, wherein the latch release mechanism further comprises a return spring for providing a force to return the linkage assembly.
9. The seat of claim 1, wherein the latch release mechanism further comprises a release handle or release button coupled to the lever assembly to provide a point of application for the occupant to provide force to the lever assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756591.0U CN217672307U (en) | 2021-04-12 | 2021-04-12 | Seat with bolt release mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756591.0U CN217672307U (en) | 2021-04-12 | 2021-04-12 | Seat with bolt release mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217672307U true CN217672307U (en) | 2022-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120756591.0U Active CN217672307U (en) | 2021-04-12 | 2021-04-12 | Seat with bolt release mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217672307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039479A (en) * | 2023-03-30 | 2023-05-02 | 宁波帅特龙集团有限公司 | Chair back table, adjustable seat and vehicle |
-
2021
- 2021-04-12 CN CN202120756591.0U patent/CN217672307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039479A (en) * | 2023-03-30 | 2023-05-02 | 宁波帅特龙集团有限公司 | Chair back table, adjustable seat and vehicle |
| CN116039479B (en) * | 2023-03-30 | 2024-05-17 | 宁波帅特龙集团有限公司 | Chair back table, adjustable seat and vehicle |
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