CN211969238U - Power-assisted delay response mechanism of four connecting rods for folding automobile seat - Google Patents
Power-assisted delay response mechanism of four connecting rods for folding automobile seat Download PDFInfo
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- CN211969238U CN211969238U CN202020468211.9U CN202020468211U CN211969238U CN 211969238 U CN211969238 U CN 211969238U CN 202020468211 U CN202020468211 U CN 202020468211U CN 211969238 U CN211969238 U CN 211969238U
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- connecting rod
- cushion
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- torsion spring
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Abstract
The utility model discloses a car seat turns over helping hand delay response mechanism of a four connecting rods, including the cushion, the back, preceding connecting rod, the shelves cover, support and torsional spring, the cushion both ends respectively with the back, preceding connecting rod one end is articulated, be fixed with the dabber on the support, the dabber is fixed with the shelves cover, the preceding connecting rod other end articulates in the spindle, the dabber is still overlapped and is equipped with the torsional spring, support fixed mounting is on car body, the torsional spring both ends set up respectively to first torque arm, the second torque arm, shelves cover outer peripheral face border is provided with the link stopper along its axial extension, first torque arm supports and leans on the link stopper, when current connecting rod rotates for the dabber, preceding connecting rod can also support and lean on first torque arm. Adopt the technical scheme of the utility model, when the user when upset seat back, make the cushion can delay the response and fall, at the in-process of upset back with the cushion of falling, slowed down back upset speed and cushion through using the torsional spring and fallen speed, avoid personnel's injury, improved the security.
Description
Technical Field
The utility model relates to an automobile spare and accessory part technical field, especially a car seat turns over helping hand delay response mechanism that turns over four connecting rods.
Background
With the scientific progress and the social development, people have higher and higher requirements on the automobile seat. The automobile seat is not an original article only for passengers to sit, but is required to be attractive in appearance, comfortable to sit, safe, concise in function, practical and convenient. At present, the back row seat backrests of most automobiles have the functions of turning, folding and falling down so as to meet the aims of quickly and conveniently folding and deforming the seats and changing the inner space of the automobile by a user. However, currently applied to a seat-turning mechanism in an automobile seat, when a user turns a backrest of the seat, the backrest tends to be turned over and laid down at a fast speed, and a seat cushion is simultaneously laid down at a fast speed; when the seat back is lifted and the seat cushion is simultaneously lifted, the back and the seat cushion tend to be relatively heavy, resulting in a relatively hard lifting of the seat back. If other passengers stand beside the operator, because the overturning speed and the starting response speed of the seat back are high, the passengers except the operator can not realize that the operator overturns the seat back, and the seat back can be quickly laid down to cause physical damage to other people, so that the seat has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a car seat turns over helping hand delay response mechanism that turns over four connecting rods.
The utility model discloses a following technical scheme can realize.
The utility model provides a helping hand delay response mechanism of four connecting rods turns over a car seat, including cushion, back, front connecting rod, shelves cover, support and torsional spring, the one end of cushion with the back is articulated, the other end of cushion with the one end of front connecting rod is articulated, fixedly connected with dabber on the support, dabber fixedly connected with shelves cover, the front connecting rod other end articulates on the dabber and places in between shelves cover and the support, still the cover is equipped with the torsional spring on the dabber and the shelves cover is arranged in between torsional spring and front connecting rod, the support is fixed mounting on car automobile body, the torsional spring both ends set up respectively as first torque arm, second torque arm, the outer peripheral face border of shelves cover is provided with the stopper that extends along its axial, first torque arm support lean on the stopper, when the front connecting rod rotates for the dabber, the front link can also abut against the first torque arm.
The stopper border still is provided with the spacing groove, first torsion arm supports and leans on in the spacing groove.
The core shaft is further sleeved with a baffle cover, and the torsion spring is arranged between the baffle cover and the baffle cover.
The stop cover is a collar for the shaft.
The end of the mandrel is also provided with an open slot, and the second torque arm extends into the open slot.
The torsion spring is made by winding at least 3 turns of alloy spring steel wires with the diameter not more than 6.5 mm.
The pitch diameter of the torsion spring is 25 mm.
The stop sleeve and the mandrel are integrally manufactured.
The number of the front connecting rods is 2, and the 2 front connecting rods are connected together through the transverse connecting rods.
The beneficial effects of the utility model reside in that: by adopting the technical scheme of the utility model, when the user overturns the backrest of the seat, at the moment of starting, because the front connecting rod is not contacted with the torsional spring, the potential energy stored on the torsional spring is not released, when the backrest overturns to a proper angle, the front connecting rod is abutted to the torsional spring, the torsional spring plays a role in buffering the front connecting rod, the cushion gradually falls down by the gravity of the cushion, and a part of the potential energy in the falling process is gradually absorbed and stored by the torsional spring, so that the falling speed of the cushion hinged with the front connecting rod is slowed down, the response delaying effect is played, and the safety is improved; when a user needs to turn over the seat back, the torsion spring and the front connecting rod are located at the mutually contacted position, the gravitational potential energy of the seat cushion absorbed by the torsion spring reaches the maximum, under the condition, the potential energy in the torsion spring is released to the front connecting rod, the user can lift the seat cushion with smaller force, in the process of lifting the seat cushion, when the front connecting rod is separated from the torsion spring for contact again, the seat cushion loses the assistance of the torsion spring and can be quickly lifted to the proper position, and then the user can turn over the seat back to the position for taking. The utility model discloses restricted the speed of falling when the cushion fell, improved the security, required physical power when having alleviateed the user and having lifted the cushion, convenience of customers operates.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a partial forward axial measurement structure of the front link of FIG. 1 according to the present invention;
fig. 3 is an enlarged schematic view of a partial structure of the front connecting rod in fig. 1 according to the present invention.
In the figure: 1-cushion, 2-backrest, 3-front connecting rod, 4-mandrel, 5-bracket, 6-torsion spring, 7-blocking sleeve, 8-transverse connecting rod, 9-blocking cover, 41-open slot, 61-first torsion arm, 62-second torsion arm, 71-blocking piece and 72-limit slot.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 3, the folding booster mechanism with four-bar delayed turnover response for a car seat of the present invention comprises a cushion 1, a backrest 2, a front link 3, a retainer 7, a bracket 5 and a torsion spring 6, wherein one end of the cushion 1 is hinged to the backrest 2, the other end of the cushion 1 is hinged to one end of the front link 3, a core shaft 4 is fixedly connected to the bracket 5, the retainer 7 is fixedly connected to the core shaft 4, the other end of the front link 3 is hinged to the core shaft 4 and is disposed between the retainer 7 and the bracket 5, the core shaft 4 is further sleeved with the torsion spring 6, the retainer 7 is disposed between the torsion spring 6 and the front link 3, the bracket 5 is fixedly mounted on a car body, two ends of the torsion spring 6 are respectively provided with a first torsion arm 61 and a second torsion arm 62, a retainer 71 extending along an axial direction of the retainer 7 is disposed at an edge of an outer circumferential surface of the retainer, the first torsion arm 61 is abutted, front link 3 can also rest on first torque arm 61.
Adopt the technical scheme of the utility model, cushion 1, back 2 and preceding connecting rod 3 have constituted as the four-bar linkage that dotted line is shown in figure 1, according to mechanical mechanism kinematics principle, when the user applyed the effort to the back, back 2 and cushion 1 can the simultaneous movement to the upset is set level, reaches the purpose of extension car inner space.
In addition, the edge of the stopper 71 is further provided with a limiting groove 72, and the first torsion arm 61 abuts against the inside of the limiting groove 72. Adopt the technical scheme of the utility model, shelves cover 7 passes through the nut locking, through setting for the relative position at shelves cover 7 outer peripheral face border of washer 71, can change cushion 1 or back 2's upset acceleration to the upset process to cushion 1 or back 2 causes the buffering, changes the size of required operating force when the user operates simultaneously.
In addition, a blocking cover 9 is further sleeved on the core shaft 4, and the torsion spring 6 is arranged between the blocking cover 7 and the blocking cover 9. The stopper cover 9 is a collar for a shaft. The end of the mandrel 4 is also provided with an open slot 41, and the second torque arm 62 extends into the open slot 41.
Further, it is preferable that the torsion spring 6 is made by winding an alloy spring wire having a diameter of not more than 6.5mm for at least 3 turns. The pitch diameter of the torsion spring 6 is 25 mm. The stop sleeve 7 and the mandrel 4 are manufactured and formed integrally.
In addition, the number of the front connecting rods 3 is 2, and the 2 front connecting rods 3 are connected together through a transverse connecting rod 8.
By adopting the technical scheme of the utility model, when the user overturns the backrest of the seat, at the moment of starting, because the front connecting rod is not contacted with the torsional spring, the potential energy stored on the torsional spring is not released, when the backrest overturns to a proper angle, the front connecting rod is abutted to the torsional spring, the torsional spring plays a role in buffering the front connecting rod, the cushion gradually falls down by the gravity of the cushion, and a part of the potential energy in the falling process is gradually absorbed and stored by the torsional spring, so that the falling speed of the cushion hinged with the front connecting rod is slowed down, the response delaying effect is played, and the safety is improved; when a user needs to turn over the seat back, the torsion spring and the front connecting rod are located at the mutually contacted position, the gravitational potential energy of the seat cushion absorbed by the torsion spring reaches the maximum, under the condition, the potential energy in the torsion spring is released to the front connecting rod, the user can lift the seat cushion with smaller force, in the process of lifting the seat cushion, when the front connecting rod is separated from the torsion spring for contact again, the seat cushion loses the assistance of the torsion spring and can be quickly lifted to the proper position, and then the user can turn over the seat back to the position for taking. The utility model discloses restricted the speed of falling when the cushion fell, improved the security, required physical power when having alleviateed the user and having lifted the cushion, convenience of customers operates.
Claims (9)
1. The utility model provides a car seat turns over helping hand delay response mechanism of four connecting rods which characterized in that: comprises a cushion (1), a backrest (2), a front connecting rod (3), a gear sleeve (7), a bracket (5) and a torsion spring (6), wherein one end of the cushion (1) is hinged with the backrest (2), the other end of the cushion (1) is hinged with one end of the front connecting rod (3), a mandrel (4) is fixedly connected on the bracket (5), the gear sleeve (7) is fixedly connected on the mandrel (4), the other end of the front connecting rod (3) is hinged on the mandrel (4) and is arranged between the gear sleeve (7) and the bracket (5), the torsion spring (6) is further sleeved on the mandrel (4), the gear sleeve (7) is arranged between the torsion spring (6) and the front connecting rod (3), the bracket (5) is fixedly arranged on an automobile body, the two ends of the torsion spring (6) are respectively arranged into a first torsion arm (61) and a second torsion arm (62), the utility model discloses a stop dog (71) of keeping off cover (7) outer peripheral face border is provided with along its axial extension, first torque arm (61) support by in on the stop dog (71), when preceding connecting rod (3) for when dabber (4) rotate, preceding connecting rod (3) can also support by in on first torque arm (61).
2. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the edge of the stop block (71) is further provided with a limiting groove (72), and the first torsion arm (61) abuts against the inside of the limiting groove (72).
3. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the core shaft (4) is further sleeved with a blocking cover (9), and the torsion spring (6) is arranged between the blocking cover (7) and the blocking cover (9).
4. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 3, wherein: the stop cover (9) is a collar for a shaft.
5. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the tail end of the mandrel (4) is further provided with an open slot (41), and the second torsion arm (62) extends into the open slot (41).
6. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the torsion spring (6) is made by winding at least 3 turns of alloy spring steel wire with the diameter not more than 6.5 mm.
7. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the pitch diameter of the torsion spring (6) is 25 mm.
8. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the stop sleeve (7) and the mandrel (4) are integrally manufactured.
9. The power-assisted delayed response mechanism of a four-bar linkage for a vehicle seat of claim 1, wherein: the number of the front connecting rods (3) is 2, and the 2 front connecting rods (3) are connected together through the transverse connecting rods (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468211.9U CN211969238U (en) | 2020-04-02 | 2020-04-02 | Power-assisted delay response mechanism of four connecting rods for folding automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468211.9U CN211969238U (en) | 2020-04-02 | 2020-04-02 | Power-assisted delay response mechanism of four connecting rods for folding automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211969238U true CN211969238U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020468211.9U Active CN211969238U (en) | 2020-04-02 | 2020-04-02 | Power-assisted delay response mechanism of four connecting rods for folding automobile seat |
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| CN (1) | CN211969238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312504A (en) * | 2021-12-29 | 2022-04-12 | 重庆飞适动力汽车座椅部件有限公司 | Seat back angle adjusting structure with buffering damping function |
-
2020
- 2020-04-02 CN CN202020468211.9U patent/CN211969238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312504A (en) * | 2021-12-29 | 2022-04-12 | 重庆飞适动力汽车座椅部件有限公司 | Seat back angle adjusting structure with buffering damping function |
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