CN214450435U

CN214450435U - Seat angle correcting unit

Info

Publication number: CN214450435U
Application number: CN202120443893.2U
Authority: CN
Inventors: 李文欣; 徐盼; 周开放
Original assignee: Ningbo Jingcheng Car Industry Co ltd
Current assignee: Ningbo Jingcheng Car Industry Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-22
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a seat angle correcting unit, its characterized in that: including first drive gear (3), second drive gear (4) and connecting axle (5), first drive gear (3) fixed connection is on connecting axle (5), second drive gear (4) are connected with connecting axle (5) and separable transmission, one side of second drive gear (4) is equipped with selector (6) that are used for controlling second drive gear (4) and connecting axle (5) separable transmission to be connected, second drive gear (4) are used for adjusting back of the chair angle. The utility model provides a structure that is connected through adjusting with back of the chair turned angle makes the angle of the back of the chair carry out self-correction to guarantee a seat angle correcting unit of automatic regulation back of the chair angle accuracy.

Description

Seat angle correcting unit

Technical Field

The utility model relates to an automobile spare and accessory part field specifically says a seat angle correcting unit.

Background

With the continuous development of science and technology, people have higher and higher requirements on the intelligent degree and riding comfort of vehicles. The intelligent upgrading has transformed the inevitable choice of vehicle transformation, and wherein the interior parts of the vehicle, especially the seat in the vehicle, have a good intelligent transformation space.

The seat of vehicle is for the user demand who accords with different user groups, makes the seat have along the function that the vehicle fore-and-aft direction removed and make the back of the chair of seat have pivoted function, and along with the development of technique, it can all realize through automated adjustment to adjust the seat, nevertheless in the long-term use of seat, the condition of angle skew appears easily in the seat, leads to the automated adjustment in-process, the inaccurate condition of its angle regulation.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the chair angle correcting device can automatically correct the angle of the chair back by adjusting the structure connected with the rotation angle of the chair back so as to ensure the accuracy of automatically adjusting the angle of the chair back.

The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a seat angle correcting unit, includes first drive gear, second drive gear and connecting axle, first drive gear fixed connection is on the connecting axle, second drive gear is connected with the separable transmission of connecting axle, one side of second drive gear is equipped with the selector that is used for controlling second drive gear and the separable transmission of connecting axle and is connected, second drive gear is used for adjusting back of the chair angle.

Compared with the prior art, the utility model has the advantages of: the second transmission gear is separated from the connecting shaft through the gear shifter, then the rotating shaft is driven by the first transmission gear to rotate, so that the rotating shaft and the second transmission gear rotate relatively, correction of the second transmission gear is achieved, after correction of the second transmission gear is completed, the second transmission gear and the connecting shaft are in transmission connection again under the action of the gear shifter, and accuracy of automatic adjustment of the angle of the chair back is guaranteed.

As an improvement of the utility model, the second drive gear is equipped with the bolt with the junction of connecting axle, be equipped with on the connecting axle with bolt matched with connecting hole, the selector is used for controlling the cooperation of bolt and connecting hole, through the improvement realizes the control that the selector is connected to the separable transmission of second drive gear and connecting axle.

As the utility model discloses a still another improvement, the selector still includes the clamping jaw, be equipped with on the second drive gear with clamping jaw matched with centre gripping axle, the centre gripping is epaxial to be located to the bolt, through the improvement can make the selector carry out the centre gripping to second drive gear, the second drive gear of being convenient for and connecting axle separation.

As a further improvement, the bolt is made of magnetic steel, the inner surface of the clamping jaw is provided with an electromagnet, through the improvement, the control of the bolt can be realized through the design of the electromagnet.

As the utility model discloses a still have the improvement, be equipped with the spring that offsets with the bolt in the centre gripping axle, the spring is used for making the bolt insert the connecting hole and makes the bolt be connected with the connecting hole, through the improvement, after bolt and connecting hole break away from the connection, can make the bolt reset through the effect of spring, carry out the reconnection with the connecting hole.

As the utility model discloses a still another improvement, the selector removes to be connected on a removal axle, through the improvement, can realize selector and second drive gear's separation, avoid second drive gear to take place to interfere with the selector when rotating.

As the utility model discloses a still have an improvement, the one end of connecting axle still is equipped with the synchronous detector who is used for detecting first drive gear and second drive gear rotation synchronism, through the improvement guarantees first drive gear and second drive gear pivoted synchronism to guarantee when drive gear, can the rotation angle of accurate control second drive gear, avoid second drive gear to appear rotating the deviation.

As a further improvement of the utility model, the utility model also comprises a driving gear and a rack component, wherein the driving gear is meshed with the first transmission gear, the rack component comprises two racks which are respectively connected with the driving gear and the first transmission gear in a separable transmission way, the two racks are respectively connected with two driving motors, the driving motors are used for driving the racks to move so as to enable the racks to be meshed or be disengaged, the driving gear is matched with the first transmission gear and the rack component to realize the movement of the chair seat, through the improvement, when the chair needs to be moved independently, the second transmission gear is separated from the connecting shaft, one of the first transmission gear and the driving gear is meshed with the rack component, the aim of the chair seat to be moved independently can be realized by driving the driving gear, wherein the rotation direction of the driving gear is unchanged, when the driving gear is meshed with the rack component, the seat moves forwards, and when the first transmission gear is meshed with the rack assembly, the seat moves backwards; when the chair back needs to rotate independently, the first transmission gear and the driving gear are both separated from the rack assembly, the second transmission gear is in transmission connection with the connecting shaft, the first transmission gear can be driven by driving the driving gear, and then the second transmission gear rotates under the action of the connecting shaft, so that the rotation of the chair back is realized; when the seat needs to move and rotate at the same time, the second transmission gear is in transmission connection with the connecting shaft, one of the first transmission gear and the driving gear is meshed with the rack assembly, and the purpose that the movement of the seat and the rotation of the seat back are performed at the same time can be achieved. The three using requirements can be completed only by driving the driving gear, and the design of the driving device is reduced, so that the seat is simpler in structure, smaller in size and stronger in functional linkage.

As a still further improvement of the utility model, the rack subassembly still includes the shell, be equipped with the shifting chute that supplies the rack to remove in the shell, be equipped with a plurality of guiding holes in the shifting chute, the axial of guiding hole is the moving direction of rack, the one end that the rack is close to the guiding hole is equipped with the guide post with guiding hole mobile connection, through the improvement, can guarantee the stability that the rack removed.

As the utility model discloses a still another improvement, two the rack links to each other, is equipped with T type groove in the junction of two racks on a rack, and another rack is equipped with T type piece in the junction of two racks, and two racks pass through T type groove and T type piece spacing removal is connected, through the improvement, guarantees the compactness of two rack connections, and then guarantees the connectivity of utensil tooth on two racks, avoids appearing the phenomenon of latch.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection structure of the driving gear, the first transmission gear and the rack assembly of the present invention.

Fig. 3 is a schematic sectional view of the rack assembly of the present invention.

Fig. 4 is a schematic view of the connection structure of two racks according to the present invention.

Fig. 5 is a schematic view of the mounting structure of the gear shifter and the second transmission gear of the present invention.

Fig. 6 is a schematic view of the connection structure between the clamping jaw and the second transmission gear of the present invention.

Shown in the figure: 1. the rack assembly, 1.1, the rack, 1.1.1, the guide post, 1.1.2, T type groove, 1.1.3, T type piece, 1.2, driving motor, 1.3, the shell, 1.3.1, the shifting chute, 1.3.2, the guiding hole, 2, drive gear, 3, first drive gear, 4, the second drive gear, 4.1, the centre gripping axle, 5, the connecting axle, 5.1, the connecting hole, 6, the selector, 6.1, the electro-magnet, 6.2, the clamping jaw, 7, the bolt, 8, the shifting shaft, 9, synchronous detector.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings.

As shown in fig. 1-2, a seat motor drive device, including rack subassembly 1, drive gear 2, first transmission gear 3 and second transmission gear 4, rack subassembly 1 fixed connection is in the below of seat support, drive gear 2, first transmission gear 3 and second transmission gear 4 all locate in the seat, drive gear 2 is used for controlling the seat support with first transmission gear 3 and removes, second transmission gear 4 is used for controlling the back of the chair to rotate, drive gear 2 is connected with the separable transmission of rack subassembly 1, first transmission gear 3 is connected with the separable transmission of rack subassembly 1, drive gear 2 is connected with the transmission of first transmission gear 3, the transmission of first transmission gear 3 is connected, the separable transmission of connecting axle 5 and second transmission gear 4 is connected, the one end of connecting axle 5 still is equipped with and is used for detecting the same of the synchronism of first transmission gear 3 and second transmission gear 4 rotation synchronism A step detector 9.

As shown in fig. 3-4, the rack assembly 1 includes two racks 1.1 separately connected to the driving gear 2 and the first transmission gear 3 in a transmission manner, the two racks 1.1 are respectively connected to two driving motors 1.2, the driving motors 1.2 are used for driving the racks 1.1 to move so as to engage or disengage the racks 1.1, the rack assembly 1 further includes a housing 1.3, a moving slot 1.3.1 for moving the racks 1.1 is provided in the housing 1.3, a plurality of guiding holes 1.3.2 are provided in the moving slot 1.3.1, an axial direction of the guiding holes 1.3.2 is a moving direction of the racks 1.1, a guiding column 1.1.1.1 movably connected to the guiding hole 1.3.2 is provided at one end of the racks 1.1 near the guiding hole 1.3.2, the two racks 1.1 are connected to each other, a T1.1 type slot is provided at a connection position of the two racks 1.1, and a T1.1 type block is provided at a connection position of the two racks 1.1, the two racks 1.1 are in limited movable connection with the T-shaped block 1.1.3 through the T-shaped groove 1.1.2.

As shown in fig. 1, 2, 5 and 6, one side of the second transmission gear 4 is provided with a shifter 6 for controlling the separable transmission connection of the second transmission gear 4 and the connecting shaft 5, a joint of the second transmission gear 4 and the connecting shaft 5 is provided with a bolt 7, the connecting shaft 5 is provided with a connecting hole 5.1 matched with the bolt 7, the shifter 6 is used for controlling the matching of the bolt 7 and the connecting hole 5.1, the shifter 6 further comprises a clamping jaw 6.2, the second transmission gear 4 is provided with a clamping shaft 4.1 matched with the clamping jaw 6.2, the bolt 7 is arranged on the clamping shaft 4.1, the bolt 7 is made of magnetic steel, the inner surface of the clamping jaw 6.2 is provided with an electromagnet 6.1, the bolts 7 and the connecting holes 5.1 are provided with a plurality of bolts 7, the plurality of bolts 7 are in one-to-one correspondence with the plurality of connecting holes 5 and are arranged along the circumferential direction of the connecting shaft 5, the bolts 7 are connected to the clamping shaft 4.1 in a limiting movement manner, a spring which is abutted against the bolt 7 is arranged in the clamping shaft 4.1, the spring is used for enabling the bolt 7 to be inserted into the connecting hole 5.1 so that the bolt 7 is connected with the connecting hole 5.1, the gear shifter 6 is movably connected to a moving shaft 8, and a motor assembly which is used for driving the gear shifter 6 to move along the moving shaft 8 is arranged on one side of the gear shifter 6.

The motor for driving the driving gear 2 to rotate, the driving motor 1.2 for driving the rack 1.1 to move, the motor component for driving the gear shifter 6 to move, the electrifying state of the electromagnet 6.1 and the clamping driving of the clamping jaw 6.2 are controlled by the control center, so that the intelligent operation of the seat is realized by operating the control center.

In the use process, the clamping of the clamping jaw 6.2 and the electrification of the electromagnet 6.1 are carried out simultaneously, so that when the second transmission gear 4 is separated from the connecting shaft 5, the second transmission gear 4 is fixed by the clamping jaw 6.2. When the second transmission gear 4 needs to be fixed with the connecting shaft 5 again, the relative position relation between the second transmission gear 4 and the first transmission gear 3 is detected through the synchronous detector 9, the driving gear 2 is driven to finely adjust the connecting shaft 5, the matching position of the bolt 7 and the connecting hole 5.1 is ensured, then the electromagnet 6.1 is discharged, the clamping of the clamping jaw 6.2 is released, the transmission connection of the second transmission gear 4 and the connecting shaft 5 is realized, the rotating accuracy of the second transmission gear 4 is ensured, and the rotating angle of the second transmission gear 4 is ensured.

In order to facilitate the synchronous detection of the first transmission gear 3 and the second transmission gear 4 by the synchronous detector 9, the tooth distribution and tooth structure of the first transmission gear 3 and the second transmission gear 4 are the same.

The rotation of the driving gear 3 can be bidirectional, but the unidirectional rotation can be realized through the design of the rack component 1, and the bidirectional movement of the seat can be realized.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.

Claims

1. A seat angle correcting device characterized in that: including first drive gear (3), second drive gear (4) and connecting axle (5), first drive gear (3) fixed connection is on connecting axle (5), second drive gear (4) are connected with connecting axle (5) separable transmission, one side of second drive gear (4) is equipped with selector (6) that are used for controlling second drive gear (4) and connecting axle (5) separable transmission to be connected, second drive gear (4) are used for adjusting back of the chair angle.

2. A seat angle correcting apparatus according to claim 1, wherein: the connecting part of the second transmission gear (4) and the connecting shaft (5) is provided with a bolt (7), the connecting shaft (5) is provided with a connecting hole (5.1) matched with the bolt (7), and the gear shifter (6) is used for controlling the matching of the bolt (7) and the connecting hole (5.1).

3. A seat angle correcting apparatus according to claim 2, wherein: the gear shifter (6) further comprises a clamping jaw (6.2), a clamping shaft (4.1) matched with the clamping jaw (6.2) is arranged on the second transmission gear (4), and the bolt (7) is arranged on the clamping shaft (4.1).

4. A seat angle correcting apparatus according to claim 3, wherein: the bolt (7) is made of magnetic steel, and the inner surface of the clamping jaw (6.2) is provided with an electromagnet (6.1).

5. A seat angle correcting apparatus according to claim 3, wherein: and a spring which is propped against the bolt (7) is arranged in the clamping shaft (4.1), and the spring is used for enabling the bolt (7) to be inserted into the connecting hole (5.1) so as to enable the bolt (7) to be connected with the connecting hole (5.1).

6. A seat angle correcting apparatus according to claim 1, wherein: the gear shifter (6) is movably connected to a movable shaft (8).

7. A seat angle correcting apparatus according to claim 1, wherein: and one end of the connecting shaft (5) is also provided with a synchronous detector (9) for detecting the rotation synchronism of the first transmission gear (3) and the second transmission gear (4).

8. A seat angle correcting apparatus according to claim 1, wherein: still include drive gear (2) and rack subassembly (1), drive gear (2) and first transmission gear (3) meshing, rack subassembly (1) includes two racks (1.1) of being connected with drive gear (2), the separable transmission of first transmission gear (3) respectively, two rack (1.1) is connected respectively on two driving motor (1.2), driving motor (1.2) are used for driving rack (1.1) and move and make rack (1.1) mesh or disengage, drive gear (2) cooperate with first transmission gear (3) and rack subassembly (1) in order to realize the seat support and remove.

9. A seat angle correcting apparatus according to claim 8, wherein: rack component (1) still includes shell (1.3), be equipped with movable groove (1.3.1) that supplies rack (1.1) to remove in shell (1.3), be equipped with a plurality of guiding holes (1.3.2) in movable groove (1.3.1), the axial of guiding hole (1.3.2) is the moving direction of rack (1.1), rack (1.1) is close to the one end of guiding hole (1.3.2) and is equipped with guide post (1.1.1) with guiding hole (1.3.2) swing joint.

10. A seat angle correcting apparatus according to claim 9, wherein: two rack (1.1) link to each other, are equipped with T type groove (1.1.2) in the junction of two rack (1.1) on one rack (1.1), and another rack (1.1) is equipped with T type piece (1.1.3) in the junction of two rack (1.1), and two rack (1.1) are connected with T type piece (1.1.3) spacing removal through T type groove (1.1.2).