CN213035947U - Folding seat chair and electric vehicle - Google Patents

Abstract

The utility model belongs to the technical field of the electric motor car, a folding seat is disclosed, including the back, sit bench and locking Assembly, the back includes backup plate and the limiting plate of both sides, sit the bench and include the mounting panel of seat and both sides, the limiting plate rotates with the mounting panel to be connected, locking Assembly includes lock axle and elastic component, one of limiting plate and mounting panel is provided with the position sleeve, the other is provided with the locating hole, the lock axle runs through the position sleeve and with position sleeve sliding connection, the elastic component can drive the lock axle and insert in the locating hole; still disclose an electric motor car, including frame and foretell folding seat chair, folding seat chair installs on the frame. The limiting plate of back and the mounting panel of sitting the bench rotate to be connected, and the switching that can realize back folding and open mode in the elastic component drive lock axle inserts the locating hole of difference, and is simple reliable, and further, the seat of electric motor car can be simply folded reliably and open, can satisfy the user demand of different occasions.

Description

Folding seat chair and electric vehicle

Technical Field

The utility model relates to an electric motor car technical field especially relates to a folding seat chair and electric motor car.

Background

With the development and popularization of vehicles, electric vehicles become visible everywhere in daily life and play an increasingly important role in daily travel. The seat of the electric vehicle is an important component of the electric vehicle and mainly plays a role in carrying passengers and carrying goods. On one hand, the seat of the electric vehicle in the current market cannot be folded and cannot meet diversified use requirements; on the other hand, the backrest of the seat is rotatably connected with the stool and is in rigid contact with the stool, the folding and the opening of the seat can be switched and fixed only by the friction force between the backrest and the stool, the switching is difficult, and the reliability of the fixing is low.

Based on the above situation, it is desired to design a foldable seat to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: provided is a folding seat which can simply and reliably realize switching and fixing of a folding state and an opening state.

The utility model discloses another aim at: still provide an electric motor car, the folding seat chair of electric motor car realizes folding and the switching of open mode and fixes, can satisfy the user demand of different occasions.

To achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, a folding seat is disclosed, comprising:

the backrest comprises a backup plate and limiting plates positioned on two sides of the backup plate;

the stool comprises a stool plate and mounting plates positioned on two sides of the stool plate, and the limiting plate is rotatably connected with the mounting plates;

locking assembly, including lock axle and elastic component, the limiting plate with one of them in the mounting panel is provided with the position sleeve, the limiting plate with another one in the mounting panel is provided with two at least locating holes, the lock axle run through the position sleeve and with position sleeve sliding connection, the one end butt of elastic component the position sleeve, other end butt the lock axle, it is different the locating hole arrives the limiting plate with the distance of the pivot of mounting panel equals, and every the locating hole arrives the distance of pivot equals the position sleeve arrives the distance of pivot, the elastic component can drive the lock axle is optionally inserted one of them in the locating hole.

Particularly, the backrest is rotatably connected with the stool, and the elastic piece drives the lock shaft to be inserted into different positioning holes to realize the switching and fixing of the folding and opening states of the backrest, so that the backrest is simple and reliable.

As a preferable scheme, the folding seat further comprises a power assisting element, one end of the power assisting element is connected with the backrest, the other end of the power assisting element is connected with the mounting plate, and the power assisting element can drive the backrest to rotate away from the seat plate.

Optionally, the power assisting element is provided as a spring.

Particularly, when the backrest is switched from the folded state to the opened state, the power assisting piece can drive the backrest to rotate away from the seat plate, so that the state switching of the folding seat is simpler and more convenient.

As a preferred scheme, the mounting plate is provided with a limiting column, and the mounting plate is connected with the power assisting part through the limiting column.

As a preferred scheme, the limiting plate comprises a blocking part, and the limiting column can abut against the blocking part of the limiting plate.

Optionally, the distance between the blocking part and the rotating shaft of the limiting plate and the mounting plate is greater than the distance between the limiting column and the rotating shaft.

Specifically, when the backrest is switched to the open state from the folded state, the limiting plate rotates, and the limiting column abuts against the blocking part of the limiting plate, so that the limiting plate can be limited firmly, and the reliability is improved.

As a preferred scheme, the backup plate comprises a connecting rod and a back cushion, the two ends of the connecting rod are provided with the limiting plates, and the back cushion is arranged on the connecting rod.

Preferably, the backrest cushion comprises a first portion and a second portion, the first portion and the second portion being clamped and fixed to the connecting rod.

Specifically, the setting up of cushion has improved the travelling comfort of back, but the cushion is easy wearing and tearing simultaneously, needs often to be changed, and the cushion sets up to first portion and second portion, makes things convenient for the dismouting, makes the maintenance of cushion simple more convenient.

As a preferred scheme, the one end of position sleeve is provided with interior eaves, the one end of lock axle is provided with outer eaves, the elastic component cover is located on the lock axle, the one end butt of elastic component the interior eaves of rolling over of position sleeve, the other end butt the outer eaves of rolling over of lock axle.

Specifically, the elastic piece can drive the locating sleeve and the lock shaft to move away from each other, and further, the lock shaft is driven to be inserted into the locating hole.

As a preferable scheme, the lock shaft comprises a holding part and an insertion part, the holding part is connected with the insertion part, the insertion part penetrates through the positioning sleeve and can be inserted into the positioning hole, and the holding part is positioned at one end of the positioning sleeve, which is far away from the positioning hole.

Specifically, the lock shaft comprises a holding part and an inserting part, and when the lock shaft is assembled, the holding part and the inserting part cannot interfere with the positioning sleeve, so that the assembling operation of the locking assembly is simplified.

As a preferable scheme, the stool further comprises a support fixed at the bottom of the seat plate.

In particular, the seat is used to support the seat.

On the other hand, the electric bicycle comprises a frame and the folding seat, and the folding seat is mounted on the frame.

The utility model has the advantages that: according to the folding seat, the backrest is rotatably connected with the seat, the elastic piece of the locking assembly can drive the locking shaft to be inserted into different positioning holes to fix the limiting plate and the mounting plate, so that the folding and unfolding states of the folding seat can be switched and fixed, the operation is simple, and the fixing is reliable; the seat of the electric vehicle can be simply and reliably folded and unfolded, and the use requirements of different occasions can be met.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a first perspective view of the folding seat in an open position;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of the locking assembly;

FIG. 4 is a second perspective view of the folding seat in the open position;

FIG. 5 is an enlarged view of a portion of FIG. 4 at B;

fig. 6 is a schematic view of the folding seat in a folded state.

In fig. 1 to 6:

1. a backrest; 11. a backup plate; 111. a connecting rod; 112. back cushion; 12. a limiting plate; 121. a blocking portion;

2. a stool; 21. a seat plate; 22. mounting a plate; 23. a limiting column; 24. a support;

3. a locking assembly; 31. a lock shaft; 311. an outer folded brim; 312. a grip portion; 313. a plug-in part; 32. an elastic member; 33. a positioning sleeve; 331. an inward folded brim; 34. positioning holes;

4. and a power assisting piece.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the present embodiment provides a folding seat, which comprises a backrest 1, a stool 2 and a locking assembly 3, wherein the backrest 1 comprises a backrest 11 and limiting plates 12 positioned at two sides of the backrest 11; the stool 2 comprises a seat plate 21 and mounting plates 22 positioned on two sides of the seat plate 21, and the limiting plate 12 is rotatably connected with the mounting plates 22; the locking assembly 3 comprises a locking shaft 31 and an elastic member 32, one of the limiting plate 12 and the mounting plate 22 is provided with a positioning sleeve 33, the other of the limiting plate 12 and the mounting plate 22 is provided with at least two positioning holes 34, the locking shaft 31 penetrates through the positioning sleeve 33 and is in sliding connection with the positioning sleeve 33, one end of the elastic member 32 abuts against the positioning sleeve 33, the other end of the elastic member abuts against the locking shaft 31, the different distances from the positioning holes 34 to the rotating shafts of the limiting plate 12 and the mounting plate 22 are equal, the distance from each positioning hole 34 to the rotating shaft is equal to the distance from the positioning sleeve 33 to the rotating shaft, and the elastic member 32 can drive the locking shaft 31 to be selectively inserted into one of the positioning holes 34. The stool 2 further comprises a support 24, the support 24 is fixed at the bottom of the seat plate 21, and the support 24 is used for supporting the seat plate 21. In this embodiment, the elastic member 32 is a spring, the backrest 1 and the stool 2 are rotatably connected by a pin, the limiting plate 12 is provided with a positioning sleeve 33, the mounting plate 22 is provided with two positioning holes 34, namely a first hole and a second hole, and the distance between the second hole and the pin is equal to the distance between the first hole and the pin. When the backrest 1 is in the open state, the lock shaft 31 of the locking assembly 3 is inserted into the first hole to fix the backrest 1; when back 1 switches over to fold condition from the open mode, the manual lock axle 31 of pulling, compression elastic component 32, lock axle 31 breaks away from locating hole 34, and back 1 is close to around the round pin axle and sits bench 2 and rotate to fold condition under, unclamps lock axle 31, and elastic component 32 can drive lock axle 31 and insert in the second hole, has realized folding seat from opening to fold condition's switching, easy operation, and is fixed reliable.

As shown in fig. 4 and 5, the folding seat further includes a power assisting element 4, one end of the power assisting element 4 is connected with the backrest 1, and the other end is connected with the mounting plate 22, and the power assisting element 4 can drive the backrest 1 to rotate away from the seat plate 21. In this embodiment, the power assisting element 4 is provided as a spring, one end of the power assisting element 4 is connected with the connecting rod 111, the other end is connected with the mounting plate 22, when the backrest 1 is switched to the open state from the folded state, the lock shaft 31 is pulled manually, the elastic element 32 is compressed, the lock shaft 31 is separated from the positioning hole 34, the power assisting element 4 can provide the auxiliary driving force for rotating the backrest 1 to the open state in the direction away from the seat plate 21, the elastic element 32 drives the lock shaft 31 to be inserted into the positioning hole 34 after the lock shaft 31 is loosened manually, the position of the backrest 1 is fixed, the setting of the power assisting element 4 enables the state switching of the folding seat to be labor-saving.

In this embodiment, the mounting plate 22 is provided with a limiting post 23, and the mounting plate 22 is connected to the power assisting element 4 through the limiting post 23. The limiting plate 12 comprises a blocking part 121, the distance between the blocking part 121 and the pin shaft is larger than the distance between the limiting column 23 and the pin shaft, and the limiting column 23 can abut against the blocking part 121 of the limiting plate 12. When the backrest 1 is switched to an open state from a folded state, the lock shaft 31 is pulled manually, the elastic piece 32 is compressed, the lock shaft 31 is separated from the positioning hole 34, the assisting piece 4 is far away from the seat plate 21 through the backrest 1 and rotates to a certain position, the limiting column 23 can abut against the blocking part 121 of the limiting plate 12, the limiting plate 12 is limited hard, the elastic piece 32 drives the lock shaft 31 to be inserted into the positioning hole 34, the backrest 1 is fixed, and the reliability of the folding seat is improved.

As shown in fig. 6, the backrest plate 11 includes a connecting rod 111 and a backrest cushion 112, the two ends of the connecting rod 111 are provided with the limiting plates 12, and the backrest cushion 112 is arranged on the connecting rod 111. In this embodiment, the backrest 112 includes a first portion and a second portion, which are clamped and fixed to the connecting rod 111. Cushion 112 has improved the travelling comfort of folding seat, sets up to first portion and second portion two parts, and first portion and second portion press from both sides tight connecting rod 111 and pass through threaded fixation on connecting rod 111, have made things convenient for cushion 112's dismouting, make cushion 112's maintenance simple more convenient.

As shown in fig. 3, one end of the positioning sleeve 33 is provided with an inner folded edge 331, one end of the lock shaft 31 is provided with an outer folded edge 311, the elastic member 32 is sleeved on the lock shaft 31, one end of the elastic member 32 abuts against the inner folded edge 331 of the positioning sleeve 33, and the other end abuts against the outer folded edge 311 of the lock shaft 31. In this embodiment, the diameter of the large end of the outer folded edge 311 of the lock shaft 31 is greater than the diameter of the small end of the inner folded edge 331 of the positioning sleeve 33, the elastic member 32 is configured as a spring, one end of the elastic member abuts against the inner folded edge 331, the other end of the elastic member abuts against the outer folded edge 311, when the state of the backrest 1 is switched, an external force acts on the lock shaft 31 to compress the elastic member 32 by the inner folded edge 331 and the outer folded edge 311, the lock shaft 31 slides away from the positioning hole 34 in the positioning sleeve 33, after the state of the backrest 1 is switched, one end of the elastic member 32 abuts against the inner folded edge 331, the other end of the elastic member abuts against the outer folded edge 311 to drive the lock shaft 31 to be inserted into the positioning hole 34, the state of the backrest.

The lock shaft 31 includes a holding portion 312 and an insertion portion 313, the holding portion 312 is connected to the insertion portion 313, the insertion portion 313 is disposed in the middle of the inner eave 331, the insertion portion 313 penetrates through the positioning sleeve 33 and can be inserted into the positioning hole 34, and the holding portion 312 is located at one end of the positioning sleeve 33 away from the positioning hole 34. The holding portion 312 and the insertion portion 313 are respectively disposed at two sides of the positioning sleeve 33, when the locking assembly 3 is assembled, the insertion portion 313 sleeved with the elastic member 32 penetrates the positioning sleeve 33, and the holding portion 312 is screwed with the insertion portion 313 from a side of the positioning sleeve 33 away from the positioning hole 34, so that interference does not occur during the process, thereby simplifying the assembly operation of the locking assembly 3.

As shown in fig. 4, there are at least two positioning holes 34, the positioning holes 34 are equidistant from the rotation axes of the limiting plate 12 and the mounting plate 22, and the positioning holes 34 are equidistant from the rotation axes of the positioning sleeve 33, so that when the lock shaft 31 is inserted into different positioning holes 34, the backrest plate 11 and the seat plate 21 can form different included angles. In other embodiments, three positioning holes 34 are provided, the connecting lines of the three positioning holes 34 and the rotating shaft respectively form included angles of 0 °, 90 ° and 100 ° with the seat plate 21, and when the lock shaft 31 is inserted into the positioning hole 34 at the included angle of 0 °, the folding seat is in a folding state; when the lock shaft 31 is inserted into the positioning hole 34 at the 90-degree included angle position, the folding seat is in a vertical opening state; when the lock shaft 31 is inserted into the positioning hole 34 at the included angle position of 100 degrees, the folding seat is in a completely opened state, the lock shaft 31 is inserted into different positioning holes 34, the backrest 1 and the stool 2 can be switched and fixed to be in various included angle states, diversified use requirements are met, and the universality of the folding seat is improved.

In other embodiments, an electric vehicle is further provided, which includes a frame and the folding seat, and the folding seat is mounted on the frame. Through inserting lock axle 31 in different locating hole 34, the folding seat of electric motor car can realize simply reliably that folding and open state's switching and fixed, can satisfy the user demand of different occasions.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. 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 invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A folding seat, comprising:

the backrest (1) comprises a backrest plate (11) and limiting plates (12) positioned on two sides of the backrest plate (11);

the stool (2) comprises a stool plate (21) and mounting plates (22) positioned on two sides of the stool plate (21), and the limiting plate (12) is rotatably connected with the mounting plates (22);

a locking assembly (3) comprising a lock shaft (31) and an elastic member (32), one of the limiting plate (12) and the mounting plate (22) being provided with a positioning sleeve (33), the other of the limiting plate (12) and the mounting plate (22) is provided with at least two positioning holes (34), the lock shaft (31) penetrates through the positioning sleeve (33) and is connected with the positioning sleeve (33) in a sliding way, one end of the elastic piece (32) is connected with the positioning sleeve (33) in an abutting mode, the other end of the elastic piece is connected with the lock shaft (31) in an abutting mode, the distances from different positioning holes (34) to the rotating shafts of the limiting plate (12) and the mounting plate (22) are equal, and the distance from each positioning hole (34) to the rotating shaft is equal to the distance from the positioning sleeve (33) to the rotating shaft, the elastic piece (32) can drive the lock shaft (31) to be selectively inserted into one of the positioning holes (34).

2. A folding seat according to claim 1, characterized in that it further comprises a booster (4), one end of said booster (4) being connected to said backrest (1) and the other end being connected to said mounting plate (22), said booster (4) being able to drive said backrest (1) in rotation away from said seat plate (21).

3. The folding seat according to claim 2, characterized in that a limiting column (23) is arranged on the mounting plate (22), and the mounting plate (22) is connected with the booster (4) through the limiting column (23).

4. The folding seat according to claim 3, characterized in that the stop plate (12) comprises a stop (121), the stop (121) being at a greater distance from the axis of rotation of the stop plate (12) and of the mounting plate (22) than the stop post (23), the stop post (23) being able to abut against the stop (121) of the stop plate (12).

5. The folding seat according to claim 1, characterized in that the backrest plate (11) comprises a connecting rod (111) and a backrest cushion (112), the limiting plates (12) are arranged at two ends of the connecting rod (111), and the backrest cushion (112) is arranged on the connecting rod (111).

6. A folding seat according to claim 5, characterized in that said back cushion (112) comprises a first portion and a second portion, said first and second portions being clamped and fixed to said connecting rod (111).

7. The folding seat according to claim 1, characterized in that one end of the positioning sleeve (33) is provided with an inner folding eave (331), one end of the lock shaft (31) is provided with an outer folding eave (311), the elastic member (32) is sleeved on the lock shaft (31), one end of the elastic member (32) abuts against the inner folding eave (331) of the positioning sleeve (33), and the other end abuts against the outer folding eave (311) of the lock shaft (31).

8. The folding seat according to claim 1, characterized in that the lock shaft (31) comprises a holding portion (312) and an insertion portion (313), the holding portion (312) is connected with the insertion portion (313), the insertion portion (313) penetrates through the positioning sleeve (33) and can be inserted into the positioning hole (34), and the holding portion (312) is located at one end of the positioning sleeve (33) far away from the positioning hole (34).

9. The folding seat according to claim 1, characterized in that said bench (2) further comprises a seat (24), said seat (24) being fixed to the bottom of said seat plate (21).

10. An electric vehicle comprising a frame and a folding seat as claimed in any one of claims 1 to 9, said folding seat being mounted to said frame.

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