CN209852120U

CN209852120U - Chassis bracket and electric automobile

Info

Publication number: CN209852120U
Application number: CN201920249874.9U
Authority: CN
Inventors: 王兴之
Original assignee: Hebei Eureka Electronic Technology Co Ltd
Current assignee: Hebei Eureka Electronic Technology Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2019-12-27
Anticipated expiration: 2029-02-27

Abstract

The utility model provides a chassis bracket relates to electric automobile chassis technical field, including tray and front seat and back seat, the front seat includes the base and can lifts the seat, and the rear end that can lift the seat is equipped with and is locked the portion, and the rear end of base is equipped with and is used for locking the locking subassembly by locked portion, and the lower part of back seat is equipped with the group battery. The utility model provides a chassis bracket, can realize that the operation that the front seat can be convenient lifts forward and turn over through lifting the seat and setting up on the base of tray, be favorable to the convenient front door of passenger on the back seat to get off the car, avoid leading to the fact the passenger on the back seat to get off the car difficult problem in the front door because of the space is not enough, the problem that the process that has avoided the automobile body to set up the back door on and cause is loaded down with trivial details and the cost-push has been avoided, the setting of group battery has also effectually reduced automobile body head space, the effectual back seat lower part space that has utilized, the automobile body volume has been reduced on the whole, flexibility in the electric automobile.

Description

Chassis bracket and electric automobile

Technical Field

The utility model belongs to the technical field of electric automobile chassis, more specifically say, relate to a chassis bracket and electric automobile.

Background

With the development of the times, people tend to be more rational in automobile consumption, and small electric automobiles or electric tricycles occupy a large proportion in the field of electric automobiles with low price and good practicability. The small-sized walking aid has extremely good use convenience due to small overall dimension, and has good practicability particularly for old people to walk instead of walk or send students.

With the development of four-wheel small-sized electric vehicles, the four-wheel electric vehicle has better bearing capacity on the basis of some three-wheel electric vehicles, and meets the requirements of taking by many people. However, this causes a problem that it is difficult for many people to get on or off the vehicle and the overall size of the vehicle body becomes large, and it is difficult to ensure the comfort of use while the small-sized electric vehicle is compact.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chassis bracket and electric automobile to realize that the small-size electric automobile that many people took under the circumstances that automobile body volume is as little as possible, guarantee the effect that many passengers took the travelling comfort.

In order to achieve the above object, the utility model adopts the following technical scheme: the chassis bracket comprises a tray, a front seat and a rear seat, wherein the front seat and the rear seat are arranged on the tray, the front seat comprises a base fixedly connected with the tray and a liftable seat which is arranged on the base and is hinged with the front end of the base, the rear end of the liftable seat is provided with a locked part, the rear end of the base is provided with a locking assembly used for locking the locked part, and the lower part of the rear seat is provided with a battery pack.

As a further optimization, the locking assembly includes a limiting member hinged to the base and having an opening at one end, an elastic element disposed on the limiting member and used for pressing down the opening end of the limiting member, and a wrench disposed at the end of the limiting member away from the opening, the limiting member and the hinge shaft of the base are disposed along the front-back direction, and the opening is used for accommodating the locked portion.

As a further optimization, the locking assembly further comprises a housing installed on the base, the limiting member is disposed in the housing, and one end of the elastic element is fixedly connected with the inner wall of the housing.

As a further optimization, an auxiliary stop block which is used for being in contact fit with the opening end of the limiting piece is further arranged in the shell.

As a further optimization, the elastic element is a coil spring, the coil spring is sleeved on the periphery of the hinge shaft of the base and the limiting piece, one end of the coil spring is fixedly connected with the shell, and the other end of the coil spring is connected with the limiting piece.

As a further optimization, the locked part is a limit shaft which is arranged below the rear side of the liftable seat and extends backwards, and the width of the opening is not less than the width of the limit shaft.

As a further optimization, the spanner is a plate-shaped component with the plate surface parallel to the front-back direction, and an anti-skid sleeve is arranged outside the spanner.

As further optimization, be equipped with on the tray along the fore-and-aft direction set up and with group battery sliding fit's slide rail, the outside of slide rail is equipped with the jackscrew that is used for with group battery butt.

As a further optimization, the liftable seat comprises a support, a cushion and a backrest, wherein the front end of the support is hinged with the base, the cushion and the backrest are detachably connected with the support, and a hinged shaft of the base and the support is arranged along the direction vertical to the front-back direction and the up-down direction.

As a further optimization, the electric automobile comprises an automobile body, wheels and a chassis bracket, wherein the automobile body is arranged on the chassis bracket, and the wheels are arranged below the chassis bracket.

The utility model provides a chassis bracket and electric automobile's beneficial effect lies in: the utility model provides a chassis bracket, can realize that the operation that the front seat can be convenient lifts forward and turn over through lifting the seat and setting up on the base of tray, be favorable to the convenient front door of passenger on the back seat to get off the car, avoid leading to the fact the passenger on the back seat to get off the car difficult problem in the front door because of the space is not enough, the problem that the process that has avoided the automobile body to set up the back door on and cause is loaded down with trivial details and the cost-push has been avoided, the setting of group battery has also effectually reduced automobile body head space, the effectual back seat lower part space that has utilized, the automobile body volume has been reduced on the whole, flexibility in the electric automobile.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a chassis bracket according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of I in FIG. 1;

fig. 3 is a schematic cross-sectional view of the locking assembly of fig. 1.

In the figure: 100. a tray; 110. a slide rail; 200. a rear seat; 300. a front seat; 310. a base; 320. a liftable seat; 321. a support; 410. a locked portion; 420. a locking assembly; 421. a limiting member; 422. an elastic element; 423. a wrench; 424. a housing; 425. an auxiliary stopper; 426. an opening; 500. a battery pack.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3 together, the chassis bracket of the present invention will now be described. The chassis bracket comprises a tray 100, a front seat 300 and a rear seat 200, wherein the front seat 300 and the rear seat 200 are arranged on the tray 100, the front seat 300 comprises a base 310 fixedly connected with the tray 100 and a liftable seat 320 arranged on the base 310 and hinged with the front end of the base 310, a locked part 410 is arranged at the rear end of the liftable seat 320, a locking component 420 for locking the locked part 410 is arranged at the rear end of the base 310, and a battery pack 500 is arranged at the lower part of the rear seat 200. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. The front-rear direction in this embodiment refers to a direction in which the vehicle advances, and the direction in which the vehicle retreats is the front side, relative to the direction in which the small electric vehicle advances. The front seat 300 arranged on the tray 100 is positioned at the front side of the rear seat 200, the side part of the front seat 300 is provided with a vehicle door, a passenger on the front seat 300 can get on or off the vehicle conveniently, and the position of the rear seat 200 is limited due to the side space of the electric vehicle and is influenced by the cost, so that the rear vehicle door is not convenient to arrange, and therefore the passenger on the rear seat 200 needs to get on or off the vehicle through the front vehicle door. The front seat 300 in this embodiment is configured to be able to be flipped, so that the front space can be effectively made available for the rear seat passengers to get on or off the vehicle conveniently, and the external volume of the small electric vehicle is increased by the manner that the original battery pack 500 is disposed inside the front cover, so that the front space of the vehicle body can be saved by disposing the battery seat below the rear seat 200, the vehicle body volume of the small electric vehicle is further reduced, and the flexibility of the small electric vehicle is improved.

The utility model provides a chassis bracket, compared with the prior art, the utility model provides a chassis bracket, can realize that front seat 300 can be convenient to lift the operation of turning over forward through lifting seat 320 on the base 310 of tray 100, be favorable to the convenient operation of getting off the bus in the past of passenger on the back seat, avoid leading to the fact the passenger on the back seat to get off the bus in the past because of the space is not enough problem of difficulty, the problem that the process that has avoided the automobile body on the back door to set up and has caused is loaded down with trivial details and cost-push has been avoided, the setting of group battery 500 has also effectually reduced automobile body headroom, the effectual back seat lower part space that has utilized, the automobile body volume has been reduced on the whole, flexibility in the electric automobile use has been realized.

Referring to fig. 2 to 3, as an embodiment of the chassis bracket of the present invention, the locking assembly 420 includes a limiting member 421 hinged to the base 310 and having an opening 426 at one end, an elastic element 422 disposed on the limiting member 421 and used for pressing down the opening end of the limiting member 421, and a wrench 423 disposed at one end of the limiting member 421 away from the opening 426, the limiting member 421 and the hinge shaft of the base 310 are disposed along the front-back direction, and the opening 426 is used for accommodating the locked portion 410. In this embodiment, the locked portion 410 is fixedly disposed below the rear end of the liftable seat 320, the opening 426 of the limiting member 421 is used for accommodating the locked portion 410, and the locked portion 410 may be in the form of a shaft disposed along the front-rear direction alone, or in the form of an L-shaped member extending downward from the liftable seat 320, and the limiting member 421 is limited by a lower rod of the L-shaped member. One end of the elastic element 422 is fixedly connected with the base 310, and the other end is connected with the open end of the limiting member 421, so as to tension the open end of the limiting member 421. In the free state, the elastic member 422 can pull the open end of the stopper 421 to a state where the opening 426 is oriented in the horizontal direction, and prevent the locked portion 410 in the opening 426 from coming out of the opening 426. In this embodiment, the open end of the limiting member 421 refers to the end of the limiting member 421 having the opening 426, and the opposite end refers to the end of the limiting member 421 having the wrench 423.

Referring to fig. 2 to fig. 3, as an embodiment of the chassis bracket of the present invention, the locking assembly 420 further includes a housing 424 installed on the base 310, the limiting member 421 is disposed in the housing 424, and one end of the elastic element 422 is fixedly connected to an inner wall of the housing 424. In order to avoid the external influence on the locking assembly 420 and the scratch of passengers on the vehicle, the locking assembly 420 is arranged in the housing 424, one end of the elastic element 422 is fixedly connected with the housing 424 to ensure the position stability of the elastic element 422, and the other end of the elastic element 422 is connected with a part close to the open end of the limiting piece 421, so that the effect of tensioning the open end to a horizontal state is realized, and the locked part 410 is prevented from being pulled out of the open end.

Referring to fig. 2 to 3, as an embodiment of the chassis bracket of the present invention, an auxiliary stopper 425 is further disposed in the housing 424 for contacting and engaging with an outer end of the opening 426 of the limiting member 421. In order to avoid the problem that the limiting shaft is transversely separated from the opening 426 of the limiting member 421 due to vibration in the driving process of the vehicle, an auxiliary stop block 425 is further arranged in the shell 424, so that when the opening 426 of the limiting member 421 rotates to the horizontal direction, the opening 426 can be blocked, the stability of the limiting shaft is avoided, and the stability of the position of the seat framework is further ensured.

Referring to fig. 2 to 3, as an embodiment of the chassis bracket of the present invention, the elastic element 422 is a coil spring, the coil spring is sleeved on the periphery of the hinge shaft of the base 310 and the limiting member 421, one end of the coil spring is fixedly connected to the housing 424, and the other end of the coil spring is connected to the limiting member 421. In this embodiment, a coil spring is adopted, the coil spring is sleeved on the peripheries of the hinge shafts of the limiting member 421 and the base 310, a fixing effect is realized through one end connected with the housing 424, the other end can apply circumferential torque to the hinge shaft, so that the upward tensioning trend of the opening end of the limiting member 421 and the upward side of the wrench 423 is realized, when the liftable seat 320 needs to be lifted or fixed, the wrench 423 is pulled, the upward rotation of the opening end of the limiting member 421 is realized in a state that the coil spring is further tensioned, so that the locked member can be separated from the opening 426 or put into the opening 426, and further, the loosening or locking of the liftable seat 320 is realized.

Referring to fig. 2 to 3, as an embodiment of the chassis bracket of the present invention, the locked portion 410 is a limiting shaft disposed below the rear side of the liftable seat 320 and extending rearward, and the width of the opening 426 is not less than the width of the limiting shaft. The locked portion 410 is a limiting shaft disposed below the liftable seat 320, a main shaft of the limiting shaft is disposed along a front-rear direction, and when the main shaft is placed in the opening 426 and rotates to a position where the opening 426 faces a horizontal direction along with the limiting member 421, the limiting member 421 can lock the limiting shaft, and the limiting shaft is prevented from being disengaged.

Referring to fig. 1, as an embodiment of the chassis bracket according to the present invention, a sliding rail 110 disposed along the front-back direction and slidably engaged with the battery pack 500 is disposed on the tray 100, and a top wire for abutting against the battery pack 500 is disposed outside the sliding rail 110. In order to facilitate the detachment of the battery pack 500 in the subsequent overhaul or maintenance process, the sliding rail 110 is arranged below the battery pack 500, the sliding rail 110 can reduce the resistance between the battery pack 500 and the tray 100, the battery pack 500 can be taken out and placed, meanwhile, the jackscrew arranged on the outer side of the sliding rail 110 can effectively lock the battery pack 500 on the sliding rail 110, the battery pack 500 is prevented from moving back and forth in the driving process of the automobile, and the driving safety of the automobile is ensured.

Referring to fig. 3, as a specific embodiment of the chassis bracket of the present invention, the wrench 423 is a plate-shaped member having a plate surface parallel to the front-back direction, and an anti-slip cover is disposed outside the wrench 423. When the wrench 423 is wrenched to rotate the limiting member 421 around the hinge shaft, the coil spring is tightened, so a large force is applied, the wrench 423 is set to be a plate-shaped member, the contact area between the hand and the wrench 423 can be increased, the friction between the hand and the wrench 423 can be effectively increased due to the arrangement of the anti-slip sleeve, the slipping phenomenon in the force application process is avoided, and the operation safety is ensured.

Referring to fig. 1, as an embodiment of the chassis bracket of the present invention, the liftable seat 320 includes a support 321 whose front end is hinged to the base 310, and a cushion and a backrest detachably connected to the support 321, and the hinge axis of the base 310 and the support 321 is arranged along a direction perpendicular to the front-back direction and the up-down direction. The support 321 is detachably connected with the seat cushion and the backrest, the support 321 mainly realizes the hinge action with the base 310, the seat cushion and the backrest are used for realizing the comfort of passengers in the riding process, and the detachable connection is also beneficial to cleaning the seat cushion and the backrest.

Referring to fig. 1, as a specific embodiment of the present invention, an electric vehicle includes a vehicle body, wheels and a chassis bracket, wherein the vehicle body is disposed on the chassis bracket, and the wheels are disposed under the chassis bracket. Adopt the electric automobile that tray 100 that front seat 300 can incline forward the form of turning over combines automobile body and wheel to form, can be convenient carry on the back seat passenger from top to bottom, can also be through setting up the group battery 500 in back seat 200 below under the condition that has stronger passenger-carrying capacity, the effectual space that saves the position that the car protecgulum originally was used for holding group battery 500 has reduced the external dimension of car, has improved the flexibility of its service function.

The use process comprises the following steps:

1. when a passenger needs to get on the vehicle, if the front seat 300 is in a use state, the wrench 423 is wrenched to rotate around the hinge point, so that the effect of upward rotation of the opening 426 of the limiting piece 421 is achieved, at the moment, the coil spring is tensioned, the opening end of the limiting piece 421 rotates upward to the outside of the shell 424 through the opening, the opening 426 of the limiting piece 421 is separated from the blocking of the auxiliary stop block 425, the liftable seat 320 can be pushed forward manually to rotate around the hinge shaft on the front side of the base 310, so that the space at the backrest of the front seat 300 is vacated for the passenger on the rear seat to get on the vehicle conveniently; after the passenger gets on the vehicle, the wrench 423 is wrenched to rotate around the hinge point, so as to achieve the effect of upward rotation of the opening 426 of the limiting member 421, and meanwhile, the liftable seat 320 is pushed backward, until the locked portion 410 enters the opening 426 of the limiting member 421, at this time, the wrench 423 is loosened, so as to rotate the opening 426 of the limiting member 421 to the position opposite to the auxiliary stopper 425, so as to achieve the locking of the liftable seat 320;

2. when a passenger needs to get off the vehicle, the wrench 423 is wrenched to rotate around the hinge point, so that the effect of upward rotation of the opening 426 of the limiting part 421 is realized, at the moment, the coil spring is tensioned, the opening end of the limiting part 421 rotates upward to the outside of the shell 424 through the opening, the opening 426 of the limiting part 421 is separated from the blocking of the auxiliary stop block 425, the liftable seat 320 can be pushed forward manually, the rotation of the liftable seat 320 around the hinge shaft on the front side of the base 310 is realized, the space at the backrest of the front seat 300 is vacated for the passenger on the backseat, and the passenger can get off the vehicle.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Chassis bracket, including tray (100) and set up in preceding seat (300) and back seat (200) on tray (100), its characterized in that, preceding seat (300) including with base (310) of tray (100) rigid coupling and set up in on base (310) and with the articulated seat (320) of can lifting of front end of base (310), the rear end of seat (320) that can lift is equipped with and is locked portion (410), the rear end of base (310) is equipped with and is used for the locking subassembly (420) by locked portion (410), the lower part of back seat (200) is equipped with group battery (500).

2. The chassis bracket of claim 1, wherein: the locking assembly (420) comprises a limiting part (421) which is hinged to the base (310) and provided with an opening (426) at one end, an elastic element (422) which is arranged on the limiting part (421) and used for enabling the opening end of the limiting part (421) to be pressed downwards, and a wrench (423) which is arranged at the other end of the limiting part (421), wherein the limiting part (421) and a hinge shaft of the base (310) are arranged along the front-back direction, and the opening (426) is used for accommodating the locked part (410).

3. The chassis bracket of claim 2, wherein: the locking assembly (420) further comprises a housing (424) arranged on the base (310), the limiting member (421) is arranged in the housing (424), and one end of the elastic element (422) is fixedly connected with the inner wall of the housing (424).

4. The chassis bracket of claim 3, wherein: an auxiliary stop block (425) which is used for being in contact fit with the opening end of the limiting piece (421) is further arranged in the shell (424).

5. The chassis bracket of claim 3, wherein: the elastic element (422) is a coil spring, the coil spring is sleeved on the periphery of a hinge shaft of the limiting piece (421) and the base (310), one end of the coil spring is fixedly connected with the shell (424), and the other end of the coil spring is connected with the limiting piece (421).

6. The chassis bracket of claim 2, wherein: the locked part (410) is a limiting shaft which is arranged below the rear side of the liftable seat (320) and extends backwards, and the width of the opening (426) is not less than the width of the limiting shaft.

7. The chassis bracket of claim 2, wherein: the wrench (423) is a plate-shaped member with a plate surface parallel to the front-back direction, and an anti-slip sleeve is arranged outside the wrench (423).

8. The chassis bracket of claim 1, wherein: be equipped with on tray (100) along the fore-and-aft direction set up and with battery pack (500) sliding fit's slide rail (110), the outside of slide rail (110) be equipped with be used for with the jackscrew of battery pack (500) butt.

9. The chassis bracket of claim 1, wherein: the liftable seat (320) comprises a support (321) with the front end hinged to the base (310), a seat cushion and a backrest, wherein the seat cushion and the backrest are detachably connected to the support (321), and the base (310) and a hinge shaft of the support (321) are arranged in the directions vertical to the front-back direction and the up-down direction.

10. Electric vehicle, characterized in that it comprises a body, wheels and a chassis bracket according to claim 9, the body being arranged on the chassis bracket and the wheels being arranged below the chassis bracket.