CN218839581U - Frame of golf cart - Google Patents

Abstract

The utility model belongs to the technical field of transportation equipment, refer in particular to a frame of golf cart, include: a front suspension system comprising a connected base frame made of steel and a shock absorbing assembly for connecting the front wheel; the rear suspension system is used for connecting a rear wheel; and the main beam is made of aluminum materials and detachably connected with the base frame. This patent is through improving the connection structure of bed frame and girder, under the prerequisite that does not influence intensity, can reduce the weight of automobile body by a wide margin, and adopts aluminum alloy material can reduce cost.

Description

Frame of golf cart

Technical Field

This patent belongs to traffic equipment technical field, refers in particular to a frame of high husband's ball car.

Background

Along with the increasing living standard of people, the golf game gradually goes into the life of people, and the electric golf cart also begins to be widely applied.

In some large golf carts, in order to ensure the strength of the cart frame, the middle cart frame and the front suspension are made of steel materials and are connected into a whole by welding, for example, a front axle of an electric golf cart and a cart frame lifting system thereof are disclosed in patent 201320200160.1. Therefore, the frame of the golf cart has the advantages that the overall mass of the golf cart is large, the golf cart is inconvenient to transport, the manufacturing process of the frame of the golf cart is complicated and complex, the golf cart is inconvenient to produce quickly, and the production efficiency and the cost of products are greatly influenced.

Disclosure of Invention

The purpose of this patent is to provide a frame of golf cart that can effectively reduce the quality and make the degree of difficulty under the prerequisite that does not influence frame strength.

The purpose of this patent is so realized:

a frame for a golf cart, comprising:

a front suspension system comprising a connected base frame made of steel and a shock absorbing assembly for connecting the front wheel;

the rear suspension system is used for connecting a rear wheel; and

and the main beam is made of aluminum materials and is detachably connected with the base frame.

Further, the base frame is made of a plurality of welded Q235 steels, and the main beam is made of 6061 aluminum.

Further, the base frame includes:

two support frame bodies are arranged and are respectively arranged on the left and the right; and

the connecting panels are arranged and are sequentially connected between the two support frame bodies;

and an installation gap for connecting the damping components is arranged between the two adjacent connecting panels.

Furthermore, the connecting panels at least comprise two first connecting panels which are arranged adjacently and two second connecting panels which are respectively arranged at the outer sides of the two first connecting panels;

the shock absorption assembly comprises an upper rocker arm, a lower rocker arm and a shock absorber;

the top end of the first connecting panel is higher than the second connecting panel, and a first mounting gap for mounting a shock absorber is arranged between the upper ends of the two first connecting panels;

and a second mounting gap for the upper rocker arm and the lower rocker arm is arranged between the first connecting panel and the second connecting panel.

Furthermore, one end of the lower rocker arm is provided with a connecting amplitude, one end of the shock absorber is fixed on the first mounting gap, and the other end of the shock absorber is mounted on the connecting amplitude.

Furthermore, the support frame body is provided with the connecting slot, and the front end of the main beam is inserted into the connecting slot and connected with the connecting slot.

Furthermore, the support frame body is hollow, the side of the support frame body is open, and the connecting slot is formed in the support frame body.

Furthermore, caulking grooves are formed in the left end and the right end of the connecting panel, and the supporting frame bodies are sequentially embedded in the caulking grooves of the connecting panels and connected with the connecting panels.

Compared with the prior art, the patent has the outstanding and beneficial technical effects that:

after the base frame is connected with the main beam through the connecting slot, when a heavy object is carried on the vehicle body, the main beam is inserted into the base frame and is equivalent to the main beam which is lapped on the base frame, so that the gravity of the heavy object on the vehicle body is mostly supported by the base frame; and the bed frame is formed by the steel material welding, and its intensity is enough to deal with the heavy object on the automobile body, and the girder is made by aluminium alloy material, though intensity is general, but share the higher bed frame of intensity with the gravity that it received through the connection slot in this patent to can guarantee that the girder can not fracture by normal use. In conclusion, by improving the connection structure of the base frame and the main beam, the weight of the vehicle body can be greatly reduced on the premise of not influencing the strength, and the cost can be reduced by adopting an aluminum alloy material; in addition, the mosaic structure of connecting slot compares with traditional welding mode, and it is more convenient that it is made, uses manpower sparingly, makes the frame moreover, and accessible assembly line produces respectively and makes bed frame, girder, splices each other, realizes the modularization that the frame was made to can further increase manufacturing speed.

Moreover, the base frame comprises a plurality of connecting panels, the shock absorption components are connected through the connecting panels between adjacent connecting panels, and the whole base frame is supported through the complete connecting panels, so that the overall strength of the base frame is improved; and the damping component is connected by reasonably utilizing the mounting gap between the adjacent connecting panels, so that the structure is compact and the stability is strong. In addition, because the support frame body and the connection panel which form the pedestal can be bent or formed by punching steel, especially the connection panel is divided into a first connection panel and a second connection panel in a modularized manner, the manufacturing difficulty of the pedestal is well reduced, and the rapid manufacturing and forming are facilitated.

Drawings

FIG. 1 is a schematic view of the mounting of a vehicle frame.

Fig. 2 is a schematic view of the frame structure.

Fig. 3 is an exploded schematic view of the front suspension system.

Fig. 4 is a first schematic view of the front suspension system, the shock absorbing assembly and the front wheel.

Fig. 5 is a schematic structural diagram of the front suspension system, the shock absorbing assembly and the front wheel.

Fig. 6 is a schematic view of the connection of the rear suspension system to the main beam.

The reference numerals in the figures denote the meanings:

1. a frame; 1a, a front suspension system;

11. a base frame; 111. a support frame body; 1111. connecting the slots; 112. a connection panel; 1121. caulking grooves; 1122. a first bent portion; 1123. a second bent portion; 112a, a first connection panel; 112b, a second connection panel; 113. a mounting gap; 113a, a first mounting gap; 113b, a second mounting gap;

12. a shock absorbing assembly; 121. an upper rocker arm; 122. a lower rocker arm; 1221. connecting the webs; 123. a shock absorber;

13. a front wheel; 131. a wheel seat;

14. a main beam; 141. an extension profile;

15. a rear wheel;

16. a rear suspension system; 161. spring steel;

Detailed Description

This patent is further described below in conjunction with specific examples:

a frame of a Gaofu ball vehicle comprises a front suspension system 1a, a rear suspension system 16 and a main beam 14, wherein the front suspension system 1a comprises a base frame 11 made of steel materials, a damping component 12 is connected to the base frame 11, and a front wheel 13 is connected to the damping component 12; the rear suspension system 16 is used for connecting a rear wheel 15, the main beam 14 is made of aluminum material and used for supporting, the front end of the main beam 14 is spliced with the pedestal 11 in the front suspension system 1a, and the rear end of the main beam 14 is connected with the rear suspension system 16. In this patent, a plurality of connecting slots 1111 are arranged in the front suspension system 1a, and the front end of the main beam 14 is inserted into the connecting slots 1111 and fixedly connected with the front suspension system 1 a.

As shown in fig. 1 and 2, the frame 1 of the present patent mainly serves to support and connect the front wheels 13 and the rear wheels 15, and the vehicle body generally refers to a plastic member mounted on the frame 1, which is used to form a mounting space for a golf cart, mount a seat, a steering wheel, etc., and simultaneously support a user on the vehicle body.

Further, the base frame 11 includes two support frame bodies 111, the two support frame bodies 111 are respectively arranged on the left and the right, and the support frame body 111 is provided with the connection slot 1111; the base frame 11 further includes a plurality of connection panels 112, and the connection panels 112 are sequentially connected between the two support frame bodies 111; an installation gap 113 for connecting the shock absorbing components 12 is arranged between two adjacent connecting panels 112, the shock absorbing components 12 are connected through the installation gap 113, and the shock absorbing components 12 are used for connecting the front wheels 13.

In this patent, in order to ensure the overall strength of the base frame 11, the base frame 11 is made of steel, that is, the support frame body 111 and the connecting panel 112 are both made of steel material; support body 111 includes the square section bar spare that the piece formed through buckling manufacturing, and the inside cavity of this square section bar spare sets up, and the side of this square section bar spare is opened and is set up, takes shape to have a side to put the opening to make the cross-section of this section bar spare be "[" font, thereby take shape in this section bar spare and have towards bed frame 11 side connect slot 1111. In this patent, set up connection slot 1111 on the support body 111 about two and respectively towards 11 both sides of bed frame, and relative with the preceding wheel 13 of 11 both sides of bed frame, the connection slot 1111 of the formula of opening and shutting of inclining can be convenient for girder 14's installation, can directly will girder 14 is directly plugged in and is fixed, installation labour saving and time saving, the operation of being convenient for from the side of connection slot 1111 puts the opening.

As shown in fig. 3 in detail, the connection panel 112 is bent and cut into a suitable shape to be connected to the support frame 111, and the connection panel 112 is mainly used to be connected to the shock-absorbing component 12, so that the structure of the shock-absorbing component 12 may affect the shape and installation manner of the connection panel 112.

The damping assembly 12 in this patent includes a set of upper rocker arms 121, a set of lower rocker arms 122 and a set of dampers 123, and each set is provided with two corresponding to two front wheels 13 mounted on two sides of the base frame 11. As shown in fig. 4 and 5, a wheel seat 131 is disposed on the front wheel 13, the upper rocker arm 121 and the lower rocker arm 122 are uniformly bent into a "V" -shaped steel member, and each of the steel member has a double end and a single end, the single end is used for being connected with the wheel seat 131, and the double ends are used for being fixed in the installation gap 113 between the connection panels 112, that is, the double ends of the upper rocker arm 121 are rotatably connected with one side of the upper end of the connection panel 112, the single end of the upper rocker arm 121 is rotatably connected with the upper end of the wheel seat 131, and similarly, the double ends of the lower rocker arm 122 are rotatably connected with one side of the lower end of the connection panel 112, and the single end of the lower rocker arm 122 is rotatably connected with the lower end of the wheel seat 131; at this time, the connection panel 112, the upper swing arm 121, the lower swing arm 122 and the wheel holder 131 form a swing arm mechanism, and the shock absorber 123 is used for stabilizing the swing arm mechanism; in this patent, be equipped with connection width 1221 on the single-end of lower rocking arm 122, shock absorber 123, the upper end passes the space in upper rocking arm 121 and comes connection panel 112's upper end one side rotates mutually and connects, the lower extreme of shock absorber 123 with connection width 1221 is connected. Since the shock absorber 123 is disposed in the swing arm mechanism, the up-and-down pitching of the front wheels 13 can be stabilized by the shock absorber 123 to perform shock absorption.

In order to adapt the shock-absorbing assembly 12, the connecting panel 112 includes two first connecting panels 112a disposed adjacently, and two second connecting panels 112b disposed respectively outside the two first connecting panels 112a, and four panels are provided. The top end of the first connecting panel 112a is higher than the second connecting panel 112b, a first mounting gap 113a113 is formed between the upper ends of the two first connecting panels 112a, the first mounting gap 113a113 is used for mounting the upper end of the shock absorber 123, a second mounting gap 113b is formed between the first connecting panel 112a and the second connecting panel 112b, the double-end of the upper swing arm 121 is connected to the upper end of the second mounting gap 113b between the first connecting panel 112a and the second connecting panel 112b, and the double-end of the lower swing arm 122 is connected to the lower end of the second mounting gap 113b between the first connecting panel 112a and the second connecting panel 112 b.

In this embodiment, in order to increase the stability of the whole shock absorbing assembly 12, the width of the lower swing arm 122 is greater than the width of the upper swing arm 121, so that in order to adapt to the installation of the shock absorbing assembly 12, the connecting panel 112 is provided with a bending structure. The bending structure specifically comprises a first bending part 1122 arranged on the top ends of the two first connecting panels 112a, and the first bending part 1122 is used for the distance between the top ends of the two pulled-in first connecting panels 112a so as to adapt to the installation of the damper 123; the bending structure further includes second bending portions 1123 on all the connecting panels 112, and the bending direction of the four second bending portions 1123 from front to back is divided into "front, back, and back", so that the whole lower end of the base frame 11 is opened outwards to adapt to the connection of the lower rocker 122.

It should be noted that, in this patent, the connecting ends of the upper swing arm 121, the lower swing arm 122 and the shock absorber 123 are all disposed in the mounting gap 113 to be hinged with the connecting panel 112, so that a plurality of connecting holes are formed in the connecting panel 112 to achieve connection.

Further, the main beam 14 includes a plurality of extension profiles 141, and front ends of the extension profiles 141 are inserted into the connection slots 1111 and connected to the support frame 111. The extension section 141 in the patent is made of an aluminum alloy material, the aluminum alloy material has the advantages of light weight, low cost for counterfeiting and the like, and the number of the extension section 141 is two, and the two extension sections correspond to the two support frame bodies 111 respectively; the extension section 141 is installed in the connection slot 1111 and positioned, so that the base frame 11 is connected with the main beam 14, and the installation of the vehicle body can be performed; in this patent all be equipped with the connecting hole on extension section bar 141 and the support frame body 111, fix through setting up the fastener.

Further, the rear end of the extension section 141 is connected to the rear suspension system 16, as shown in fig. 6, the rear suspension system 16 includes a spring steel 161, and the spring steel 161 is rotatably connected to the extension section 141 through a hinge structure; the number of the rear wheels 15 is two, and a rotating shaft is arranged between the two rear wheels 15 and connected with the spring steel 161.

After the pedestal 11 is connected with the girder 14 through the connecting slot 1111, when a heavy object is carried on the vehicle body, since the girder 14 is inserted into the pedestal 11, which is equivalent to the girder 14 overlapping the pedestal 11, the gravity of the heavy object on the vehicle body is mostly supported by the pedestal 11; the base frame 11 is made of welded steel material, the strength of the base frame is enough to handle heavy objects on a vehicle body, the main beam 14 is made of aluminum alloy material, although the strength is general, the gravity collected by the main beam is shared to the base frame 11 with higher strength through the connecting slot 1111 in the patent, and therefore the main beam 14 can be ensured to be normally used without breaking. In conclusion, by improving the connection structure of the pedestal 11 and the main beam 14, the weight of the vehicle body can be greatly reduced on the premise of not affecting the strength, and the cost can be reduced by adopting the aluminum alloy material; in addition, compared with the traditional welding mode, the splicing structure of the connecting slot 1111 is more convenient to manufacture, labor is saved, the base frame 11 and the main beam 14 can be manufactured through a production line when the frame 1 is manufactured, and the frame 1 can be modularized when the frame and the main beam are spliced with each other, so that the manufacturing speed can be further increased.

Moreover, the base frame 11 in the patent comprises a plurality of connecting panels 112, the shock-absorbing components 12 are connected through the connecting panels 112 between adjacent connecting panels, and the whole base frame 11 is supported through the whole connecting panels 112, so that the whole strength of the base frame 11 is increased; the shock absorption assembly 12 is connected by the installation gap 113 between the adjacent connecting panels 112, and the structure is compact and the stability is strong. In addition, since the support frame 111 and the connection panel 112 forming the base frame 11 can be formed by bending or stamping steel, especially the connection panel 112 is divided into the first connection panel 112a and the second connection panel 112b in a modularized manner, which reduces the difficulty of manufacturing the base frame 11 and facilitates rapid manufacturing and forming.

Further, in the patent, the base frame 11 is made of a plurality of welded Q235 steels, the girder 14 is made of 6061 aluminum, the yield value of the Q235 steel is about 235MPa, which meets the strength requirement of the golf cart, and the higher the yield value of the steel material, the higher the cost, so in order to control the cost, the Q235 steel is selected for use; 6061 aluminum has good formability, machinability, and at the same time has moderate strength, which is sufficient to meet the strength requirements of golf cars.

Furthermore, the left and right ends of the connection panel 112 are provided with caulking grooves 1121, and the support frame body 111 is sequentially inserted into the caulking grooves 1121 of the connection panels 112 and connected to the connection panels 112. As shown in fig. 3, the caulking groove 1121 is located at two sides of the connecting panel 112 where the second bending portion 1123 is disposed, and the size of the caulking groove 1121 is matched with that of the supporting frame 111, and during manufacturing, the supporting frame 111 is first installed in the caulking groove 1121, and then is connected by welding. The advantage of providing the caulking groove 1121 is that: the supporting frame 111 is clamped up and down through the caulking groove 1121 to reinforce the support of the supporting frame 111 and the connection panel 112, so as to further share the gravity for the main beam 14, thereby increasing the overall strength of the frame 1.

The above embodiments are only preferred embodiments of the present patent, and the protection scope of the present patent is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the patent shall be covered by the protection scope of the patent.

Claims (8)

1. The utility model provides a frame of golf cart which characterized in that includes:

a front suspension system (1 a) comprising a base frame (11) and a shock-absorbing assembly (12) connected, the base frame (11) being made of steel, the shock-absorbing assembly (12) being used for connecting a front wheel (13);

a rear suspension system (16), the rear suspension system (16) being for connecting a rear wheel (15); and

a main beam (14), wherein the main beam (14) is made of aluminum materials and is detachably connected with the base frame (11).

2. The frame of a golf cart according to claim 1, wherein: the base frame (11) is made of a plurality of Q235 steel through welding, and the main beam (14) is made of 6061 aluminum.

3. The frame of a golf cart of claim 1, wherein: the base frame (11) comprises:

two support frame bodies (111), wherein the two support frame bodies (111) are respectively arranged on the left and the right; and

the connecting panels (112) are arranged, and the connecting panels (112) are sequentially connected between the two supporting frame bodies (111);

and a mounting gap (113) for connecting the shock absorption components (12) is arranged between two adjacent connecting panels (112).

4. The frame of a golf cart according to claim 3, wherein: the connecting panel (112) at least comprises two first connecting panels (112 a) which are arranged adjacently and two second connecting panels (112 b) which are respectively arranged at the outer sides of the two first connecting panels (112 a);

the shock absorption assembly (12) comprises an upper rocker arm (121), a lower rocker arm (122) and a shock absorber (123);

the top end of the first connecting panel (112 a) is higher than the second connecting panel (112 b), and a first mounting gap (113 a) for mounting a shock absorber (123) is arranged between the upper ends of the two first connecting panels (112 a);

a second mounting gap (113 b) for the upper rocker arm (121) and the lower rocker arm (122) is provided between the first connection panel (112 a) and the second connection panel (112 b).

5. The frame of the golf cart of claim 4, wherein: one end of the lower rocker arm (122) is provided with a connecting amplitude (1221), one end of the shock absorber (123) is fixed on the first mounting gap (113 a), and the other end of the shock absorber is mounted on the connecting amplitude (1221).

6. The frame of a golf cart according to claim 3, wherein: a connecting slot (1111) is formed in the supporting frame body (111), and the front end of the main beam (14) is inserted into the connecting slot (1111) and connected with the connecting slot.

7. The frame of the golf cart of claim 6, wherein: support body (111) cavity setting, just support the open setting in side of support body (111), it has to take shape in support body (111) connection slot (1111).

8. The frame of a golf cart according to claim 3, wherein: caulking grooves (1121) are formed in the left end and the right end of the connecting panel (112), and the supporting frame body (111) is sequentially embedded in the caulking grooves (1121) of the connecting panels (112) and connected with the connecting panels (112).

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