CN216158221U - Electric folding and opening device based on multiple connecting rods - Google Patents

Abstract

The utility model relates to an electric folding and unfolding device based on multiple connecting rods, which comprises a motor, wherein the motor is connected with two gear sector systems, the two gear sector systems are respectively connected with a connecting rod mechanism, a driving structure of the motor is connected with input shafts of the two gear sector systems, an output shaft is connected with the connecting rod mechanism, a sector is limited through a sliding chute and is provided with a limit switch, a right driving rod rotates clockwise to control the movement of an upper part, a left driving rod rotates anticlockwise to control the movement of a lower part, so that the connecting rod mechanism can be unfolded forwards, a sliding block connected with the connecting rod mechanism moves forwards, the sliding block is connected with a limit block which is matched with limit structures of the upper part and the lower part, and a tension spring and a pressure spring are used for locking the connecting rod mechanism. The device can be applied to automotive interior products and is suitable for the internal layout of the instrument panel; when in use, the instrument panel has small occupied space, attractive appearance and automatic extension, does not damage the comfort and simultaneously increases the functionality of the instrument panel; can be hidden in the instrument panel when not in use.

Description

Electric folding and opening device based on multiple connecting rods

Technical Field

The utility model belongs to the technical field of automotive interior trim, and particularly relates to an electric folding and unfolding device realized by multiple connecting rods.

Background

At present, the internal layout of the automobile instrument panel mostly adopts a fixed form, the layout space occupies a large space, the space cannot be flexibly utilized, the increasing diversified function requirements of future people cannot be met, the comfort is poor, and the traditional instrument panel is not applied by a folding mechanism. Therefore, an electric folding and unfolding mechanism needs to be developed, the electric folding and unfolding mechanism extends out when in use, folds and retracts when not in use, occupies small space, is compact in structure and increases the functions of the automobile instrument panel.

Disclosure of Invention

The utility model aims to provide an electric folding and opening device realized by multiple connecting rods aiming at overcoming the defects of the prior art, and aims to solve the problems that the existing electric folding and opening device is long in opening and closing reaction time, poor in comfort, large in occupied space and not suitable for the internal layout of an instrument panel.

The purpose of the utility model is realized by the following technical scheme:

an electric folding and unfolding device based on multiple connecting rods mainly comprises a motor 1, two gear sector systems 2 arranged on the left side and the right side of the motor 1, two connecting rod mechanisms 3, two sliding blocks 4, two limiting blocks 5, a tension spring 6 and a compression spring 7;

the motor 1 is respectively connected with a left gear sector system 2 and a right gear sector system 2, and the two gear sector systems 2 are respectively connected with a connecting rod mechanism 3; the motor 1 is provided with a driving structure 11 which is connected with input shafts of the two gear sector systems 2 and can drive the gear sector systems 2 to do deceleration rotary motion, two output shafts of the two gear sector systems 2 are respectively connected with the connecting rod mechanisms 3, two driving rods of the two connecting rod mechanisms 3 are driven to do rotary motion through the rotary motion of the output shafts, the two sectors are limited through sliding chutes 23, and limit switches 24 are installed; the driving rod on the right side rotates clockwise to control the movement of the upper part, the driving rod on the left side rotates anticlockwise to control the movement of the lower part, so that the two link mechanisms 3 can be unfolded forwards respectively, the sliding block 4 connected with the link mechanisms 3 moves forwards, the sliding block 4 is connected with a limiting block 5, and the limiting block 5 is matched with the inner sides of the limiting structures of the upper part and the lower part; the tension spring 6 and the pressure spring 7 lock the link mechanism 3.

Further, the two gear sector systems 2 are a gear sector system i 21 and a gear sector system ii 22, respectively.

Furthermore, the gear sector system I21 is composed of an input shaft I211, a gear I212, a gear II 213, a gear III 214, a sector I215, a sector II 216 and an output shaft I217, wherein the input shaft I211 is in key connection with the gear I212, the gear I212 is meshed with the gear II 213, the gear II 213 is meshed with the sector I215, the sector I215 is in key connection with the gear III 214 for coaxial rotation, the gear III 214 is meshed with the sector II 216, and the sector II 216 is fixedly connected with the output shaft I217.

Furthermore, the gear sector system II 22 is composed of an input shaft II 221, a gear IV 222, a gear V223, a sector III 224, a sector IV 225 and an output shaft II 226, wherein the input shaft II 221 is in key connection with the gear IV 222, the gear IV 222 is meshed with the sector III 224, the sector III 224 is in key shaft fit coaxial rotation with the gear V223, the gear V223 is meshed with the sector IV 225, and the sector IV 225 is fixedly connected with the output shaft II 226.

Further, two link mechanism 3 are link mechanism I31 and link mechanism II 32 respectively, link mechanism I31 comprises drive lever I311, connecting rod I312, pendulum rod I313 and mount I314, drive lever I311 one end and output shaft I217 are through round pin fixed connection, the other end is articulated with connecting rod I312, the other end of connecting rod I312 is articulated with mount I314, mount I314 passes through the bolt with the upper part and links firmly, pendulum rod I313 totally 2 pivot points, one end is articulated with mount I314, the intermediate point is articulated with drive lever I311, the other end is articulated with slider I41.

Furthermore, the link mechanism II 32 is composed of a driving rod II 321, a link rod II 322, a swing rod II 323 and a fixing frame II 324, and the connection relationship is the same as above. One end of the driving rod II 321 is fixedly connected with the output shaft II 226 through a pin, the other end of the driving rod II is hinged with the connecting rod II 322, the other end of the connecting rod II 322 is hinged with the fixing frame II 324, the fixing frame II 324 is fixedly connected with the upper part through a bolt, the swinging rod II 323 has 2 pivot points, one end of the swinging rod II 323 is hinged with the fixing frame II 324, the middle point of the swinging rod II is hinged with the driving rod II 321, and the other end of the swinging rod II is hinged with the sliding block II 42.

Furthermore, the driving structure 11 is a motor output shaft, the driving structure 11 is respectively connected with a gear i 212 and a gear iv 222 of the gear sector system 2, an output shaft i 217 and an output shaft ii 226 of the gear sector system 2 are connected with a link mechanism i 31 and a link mechanism ii 32, and a driving rod i 311 and a driving rod ii 321 of the link mechanism i 31 and the link mechanism ii 32 are driven to perform rotary motion through the rotary motion of the output shaft i 217 and the output shaft ii 226.

Furthermore, the second sector II 216 and the fourth sector IV 225 are both provided with sliding grooves 23, two ends of each sliding groove 23 are limiting surfaces, the link mechanism I31 and the link mechanism II 32 are both provided with fixed shafts, and when the second sector II 216 and the fourth sector IV 225 rotate, the limiting surfaces at two ends of each sliding groove 23 are in contact with the fixed shafts for limiting.

Furthermore, the driving rod I311 rotates clockwise, the driving rod II 321 rotates anticlockwise, the link mechanism I31 and the link mechanism II 32 are unfolded towards the front of the mechanism, the sliding block I41 and the sliding block II 42 connected with the link mechanism I31 and the link mechanism II 32 move towards the front of the mechanism, the sliding block I41 and the sliding block II 42 are connected with the limiting block I51 and the limiting block II 52, the limiting block I51 is matched with the limiting structure 8 of the upper part, and the limiting block II 52 is matched with the limiting structure 9 of the lower part.

Furthermore, one end of each of the compression spring 7 and the tension spring 6 is fixed with the sliding block I41 and the sliding block II 42, and the other end of each of the compression spring and the tension spring is connected with the fixing plate 10.

Compared with the prior art, the utility model has the beneficial effects that:

the electric folding and unfolding device based on the multiple connecting rods can be applied to automotive interior products and is suitable for the internal layout of the instrument panel; when in use, the instrument panel has small occupied space, attractive appearance and automatic extension, does not damage the comfort and simultaneously increases the functionality of the instrument panel; can be hidden in the instrument panel when not in use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a left side view of a folded state of the multi-link based electric folding and unfolding apparatus of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a left side view of the open state of FIG. 1;

FIG. 4 is a right side view of FIG. 3;

FIG. 5 is a schematic view of a portion of a multi-link based motorized folding and unfolding apparatus coupled to an upper member;

FIG. 6 is a schematic view of a portion of a multi-link based motorized folding and unfolding apparatus coupled to a lower member;

FIG. 7a is a schematic structural view of a gear sector system I;

FIG. 7b is a schematic structural view of a gear sector system II;

FIG. 8 is a schematic structural view of a limiting structure of the upper part;

fig. 9 is a schematic structural diagram of a lower part limiting structure.

In the figure, 1, a motor 2, a gear sector system 3, a link mechanism 4, a sliding block 5, a limiting block 6, a tension spring 7, a compression spring 8, an upper part limiting structure 9, a lower part limiting structure 10, a fixing plate 11, a driving structure 21, a gear sector system I22, a gear sector system II 23, a sliding chute 24, a limiting switch 31, a link mechanism I32, a link mechanism II 41, a sliding block I42, a sliding block II 43, a sliding chute 51, a limiting block I52, a limiting block II 81, an upper part limiting structure I82, an upper part limiting structure II 91, a lower part limiting structure I92, a lower part limiting structure II 211, an input shaft I212, a gear I213, a gear II 214, a gear III 215, a gear sector I216, a gear sector II 217, an output shaft I221, an input shaft II 222, a gear IV 223, a gear V224, a gear sector III 225226, a gear II output shaft II 311. The driving rod I312, the connecting rod I313, the swing rod I314, the fixing frame I321, the driving rod II 322, the connecting rod II 323, the swing rod II 324 and the fixing frame II.

Detailed Description

The utility model is further illustrated by the following examples:

the present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the multi-link-based electric folding and unfolding device of the utility model is mainly composed of a motor 1, two gear sector systems 2 arranged on the left and right sides of the motor 1, two link mechanisms 3, two sliders 4, two limit blocks 5, a tension spring 6 and a compression spring 7. The motor 1 is respectively connected with the two gear sector systems 2, and the two gear sector systems 2 are respectively connected with a connecting rod mechanism 3; the motor 1 can drive two gear sectors 2 simultaneously, and two gear sector systems 2 drive the link mechanism 3 of connecting separately respectively, realize the folding and the opening action of upper/lower part, and intelligent, automatic effect is better.

The two connecting rods 3 are arranged left and right, wherein the upper part is controlled to move on the right side, the lower part is controlled to move on the left side, the driving rod of the upper part connecting rod mechanism 3 is clockwise (in figures 1 and 2), and the driving rod of the lower part connecting rod mechanism 3 is anticlockwise (in figures 3 and 4).

As shown in fig. 7, the two gear sector systems 2 are a gear sector system i 21 and a gear sector system ii 22, respectively.

The gear sector system I21 is composed of an input shaft I211, a gear I212, a gear II 213, a gear III 214, a gear sector I215, a gear sector II 216 and an output shaft I217. The I211 input shaft is in key connection with the I212 gear, the I212 gear is in meshing engagement with the II 213 gear, the II 213 gear is in meshing engagement with the I215 sector, the I215 sector and the III 214 gear are in key connection for coaxial rotation, the III 214 gear is in meshing engagement with the II 216 sector, and the II sector 216 gear is fixedly connected with the I217 output shaft.

The gear sector system II 22 is composed of an input shaft II 221, a gear IV 222, a gear V223, a sector III 224, a sector IV 225 and an output shaft II 226. The input shaft II 221 is in key connection with the gear IV 222, the gear IV 222 is meshed with the sector III 224, the sector III 224 is in key shaft fit coaxial rotation with the gear V223, the gear V223 is meshed with the sector IV 225, and the sector IV 225 is fixedly connected with the output shaft II 226.

In the gear sector system I21 and the gear sector system II 22, the input shaft input is transmitted to the output shaft through the gear sector, and speed matching is achieved.

As shown in fig. 1 and 3, the two link mechanisms 3 are a link mechanism i 31 and a link mechanism ii 32, respectively. Wherein, link mechanism I31 comprises drive lever I311, connecting rod I312, pendulum rod I313 and mount I314, and I311 one end of drive lever passes through round pin fixed connection with output shaft I217, and the other end is articulated with connecting rod I312, and the other end of connecting rod I312 is articulated with mount I314, and mount I314 links firmly through the bolt with the upper part, and pendulum rod I313 totally 2 pivot points, one end and mount I314 are articulated, and the intermediate point is articulated with drive lever I311, and the other end is articulated with slider I41.

The link mechanism II 32 is composed of a driving rod II 321, a connecting rod II 322, a swing rod II 323 and a fixing frame II 324, and the connection relation is the same as above. One end of the driving rod II 321 is fixedly connected with the output shaft II 226 through a pin, the other end of the driving rod II is hinged with the connecting rod II 322, the other end of the connecting rod II 322 is hinged with the fixing frame II 324, the fixing frame II 324 is fixedly connected with the upper part through a bolt, the swinging rod II 323 has 2 pivot points, one end of the swinging rod II 323 is hinged with the fixing frame II 324, the middle point of the swinging rod II is hinged with the driving rod II 321, and the other end of the swinging rod II is hinged with the sliding block II 42.

As shown in fig. 5, the motor 1 is provided with a driving structure 11, namely a motor output shaft, a two-side output, a motor input shaft and a gear sector input shaft, wherein the input shaft and the gear rotate coaxially. The driving structure 11 is respectively connected with an input shaft I211 and an input shaft II 221 of the gear sector system 2 and used for driving the gear sector system 2 to perform speed reduction rotary motion, an output shaft I217 and an output shaft II 226 of the gear sector system 2 are connected with a link mechanism I31 and a link mechanism II 32, and a driving rod I311 and a driving rod II 321 of the link mechanism I31 and the link mechanism II 32 are driven to perform rotary motion through the rotary motion of the output shaft I217 and the output shaft II 226. As shown in fig. 7, the second sector ii 216 and the fourth sector iv 225 are both provided with a sliding groove 23 (as shown in fig. 7a and 7 b), two ends of the sliding groove 23 are limiting surfaces, the first link mechanism 31 and the second link mechanism 32 are both provided with a fixed shaft, and when the second sector ii 216 and the fourth sector iv 225 rotate, the limiting surfaces at two ends of the sliding groove 23 are in contact with the fixed shaft for limiting. And a limit switch 24 is arranged to realize electric control limit stop.

When the multi-link-rod-based electric folding and opening device is folded and closed, the driving rod I311 of the upper part (the position is shown in figures 1 and 5) rotates clockwise, the driving rod II 321 of the lower part (the position is shown in figure 6) rotates anticlockwise, so that the link mechanism I31 and the link mechanism II 32 are slowly unfolded towards the front of the mechanism, the slide block I41 (the slide block II 42) connected with the link mechanism I31 (the link mechanism II 32) can move towards the front of the mechanism along the slide rail 43, and the slide block I41 (the slide block II 42) is connected with the limit block I51 (the limit block II 52). As shown in fig. 1, 3, 8 and 9, the stopper i 51 is matched with the upper part limiting structure 8 (upper part limiting structure i 81 and upper part limiting structure ii 82), and the stopper ii 52 is matched with the lower part limiting structure 9 (lower part limiting structure i 91 and lower part limiting structure ii 92), so that positioning and limiting are realized after folding, meanwhile, the tension spring 6 locks the link mechanism i 31, and the tension spring 7 locks the link mechanism ii 32. Specifically, one end of the pressure spring 7 is fixed with the slider i 41 (slider ii 42), the other end is connected with the fixing plate 10, and one end of the tension spring 6 (which can also be a coil spring) is fixed with the slider ii 42, and the other end is connected with the fixing plate 10. As shown in fig. 1 and 3. A sliding block I41 (a sliding block II 42) connected with the link mechanism I31 and the link mechanism II 32 is connected with the tension spring 6 and the pressure spring 7, and one end of the sliding block I is fixed on the sliding block 4 to generate elastic force through the deformation of the tension spring 6, so that the clearance of the link mechanism 3 is eliminated and locked.

The electric folding and unfolding device based on the multiple connecting rods can be hidden, meets the use requirements under different situations, and is stably unfolded; the actions such as opening, folding and the like are driven by a motor and operated by electric power, so that the action response speed is high; the multi-link mechanism can realize rich movement tracks, occupies small space and has attractive appearance.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. The utility model provides an electronic folding opening device based on many connecting rods which characterized in that: the gear sector mechanism mainly comprises a motor (1), two gear sector systems (2) arranged on the left side and the right side of the motor (1), two link mechanisms (3), two sliding blocks (4), two limiting blocks (5), a tension spring (6) and a compression spring (7);

the motor (1) is respectively connected with the left gear sector system and the right gear sector system (2), and the two gear sector systems (2) are respectively connected with a connecting rod mechanism (3); the motor (1) is provided with a driving structure (11) which is connected with input shafts of the two gear sector systems (2) and can drive the gear sector systems (2) to do deceleration rotary motion, two output shafts of the two gear sector systems (2) are respectively connected with the connecting rod mechanisms (3), two driving rods of the two connecting rod mechanisms (3) are driven to do rotary motion through the rotary motion of the output shafts, the two sectors are limited through sliding chutes (23), and limit switches (24) are installed; the driving rod positioned on the right side rotates clockwise to control the movement of the upper part, the driving rod positioned on the left side rotates anticlockwise to control the movement of the lower part, so that the two link mechanisms (3) can be unfolded forwards respectively, the sliding block (4) connected with the link mechanisms (3) moves forwards, the sliding block (4) is connected with a limiting block (5), and the limiting block (5) is matched with the inner sides of the limiting structures of the upper part and the lower part; the tension spring (6) and the pressure spring (7) lock the link mechanism (3).

2. The multi-link based motorized fold opening device of claim 1, wherein: the two gear sector systems (2) are respectively a gear sector system I (21) and a gear sector system II (22).

3. A multi-link based motorized fold opening device according to claim 2, wherein: gear sector system I (21) comprises input shaft I (211), gear I (212), gear II (213), gear III (214), sector I (215), sector II (216) and output shaft I (217), input shaft I (211) and gear I (212) key-type connection, gear I (212) and gear II (213) meshing, gear II (213) and sector I (215) meshing, sector I (215) and gear III (214) pass through the coaxial rotation of key-type connection, gear III (214) and sector II (216) meshing, and sector II (216) and output shaft I (217) link firmly.

4. A multi-link based motorized fold opening device according to claim 2, wherein: the gear sector system II (22) is composed of an input shaft II (221), a gear IV (222), a gear V (223), a sector III (224), a sector IV (225) and an output shaft II (226), the input shaft II (221) is connected with the gear IV (222) in a key mode, the gear IV (222) is meshed with the sector III (224), the sector III (224) is matched with a key shaft of the gear V (223) to rotate coaxially, the gear V (223) is meshed with the sector IV (225), and the sector IV (225) is fixedly connected with the output shaft II (226).

5. The multi-link based motorized fold opening device of claim 1, wherein: two link mechanism (3) are link mechanism I (31) and link mechanism II (32) respectively, link mechanism I (31) comprises actuating lever I (311), connecting rod I (312), pendulum rod I (313) and mount I (314), pin fixed connection is passed through with output shaft I (217) to actuating lever I (311) one end, the other end is articulated with connecting rod I (312), the connecting rod I (312) other end is articulated with mount I (314), mount I (314) pass through the bolt with the upper portion spare and link firmly, 2 pivot points altogether of pendulum rod I (313), one end is articulated with mount I (314), the intermediate point is articulated with actuating lever I (311), the other end is articulated with slider I (41).

6. The multi-link based motorized fold opening device of claim 5, wherein: link mechanism II (32) comprises actuating lever II (321), connecting rod II (322), pendulum rod II (323) and mount II (324), II (321) one end of actuating lever passes through round pin fixed connection with II (226) of output shaft, and the other end is articulated with II (322) of connecting rod, and II (322) other ends of connecting rod are articulated with mount II (324), and mount II (324) link firmly through the bolt with the upper part, and 2 pivot points altogether are counted to pendulum rod II (323), and one end is articulated with mount II (324), and the intermediate point is articulated with II (321) of actuating lever, and the other end is articulated with II (42) of slider.

7. A multi-link based motorized fold opening device according to claim 3, wherein: the driving structure (11) is a motor output shaft, the driving structure (11) is respectively connected with a gear I (212) and a gear IV (222) of the gear sector system (2), an output shaft I (217) and an output shaft II (226) of the gear sector system (2) are connected with a link mechanism I (31) and a link mechanism II (32), and a driving rod I (311) and a driving rod II (321) of the link mechanism I (31) and the link mechanism II (32) are driven to perform rotary motion through the rotary motion of the output shaft I (217) and the output shaft II (226).

8. A multi-link based motorized fold opening device according to claim 3, wherein: sliding grooves (23) are formed in the second gear sector (216) and the fourth gear sector (225), two ends of each sliding groove (23) are limiting faces, fixing shafts are arranged on the connecting rod mechanism I (31) and the connecting rod mechanism II (32), and when the second gear sector (216) and the fourth gear sector (225) rotate, the limiting faces at two ends of each sliding groove (23) are in contact limiting with the fixing shafts.

9. The multi-link based motorized fold opening device of claim 6, wherein: the driving rod I (311) rotates clockwise, the driving rod II (321) rotates anticlockwise, the link mechanism I (31) and the link mechanism II (32) are unfolded towards the front of the mechanism, the slider I (41) and the slider II (42) which are connected with the link mechanism I (31) and the link mechanism II (32) move towards the front of the mechanism, the slider I (41) and the slider II (42) are connected with the limiting block I (51) and the limiting block II (52), the limiting block I (51) is matched with the limiting structure (8) of the upper part, and the limiting block II (52) is matched with the limiting structure (9) of the lower part.

10. The multi-link based motorized fold opening device of claim 6, wherein: one end of each of the pressure spring (7) and the tension spring (6) is fixed with the sliding block I (41) and the sliding block II (42), and the other end of each of the pressure spring and the tension spring is connected with the fixing plate (10).

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