Electric dune buggy convenient to operate

Abstract

The invention relates to the technical field of electric dune buggies, in particular to an electric dune buggy convenient to operate, which comprises a fixed frame, an operating mechanism is arranged above the fixed frame, two symmetrically arranged movable frames are slidably connected to the inner wall of the fixed frame, and a group of double-end push rods are mounted on the fixed frame. The two movable ends of each double-end push rod are fixedly connected with the two movable vehicle frames respectively, a motor and two symmetrically-arranged power driving components are installed on each movable vehicle frame, the output shaft end of each motor is in transmission connection with a chain belt, and a first tensioning piece matched with the chain belt is installed on the fixed vehicle frame. The distance between the two power seats is adjusted, then the continuous contact area of the annular crawler belt and the sand beach in unit time is adjusted in a motor constant-speed working mode, and the annular crawler belt is suitable for different sand beach running working conditions by adjusting the contact area.

Description

Technical Field

[0001] The invention relates to the technical field of electric beach vehicles, and in particular to an electric beach vehicle which is easy to operate. Background Art

[0002] A beach buggy is a vehicle that can travel on any terrain and can move freely on terrain where ordinary vehicles are difficult to maneuver. It is currently generally used as a leisure and entertainment means of transportation in tourist resorts, seasides, beaches and other places.

[0003] In the prior art, the patent document with publication number CN219237172U discloses an electric four-wheel beach vehicle with a rotating connection structure, including a beach vehicle body, a frame, a driving mechanism arranged on the frame, a rear wheel arranged on the frame and connected to the driving mechanism, a front wheel connected to the frame, and a steering system for steering the front wheel. The front wheel is rotatably connected to the frame through a rotating connection structure. The beach vehicle can greatly reduce the risk of the rotating connection structure breaking, but the beach vehicle has the following technical problems when in use: in the constant speed working mode of the motor, the unit time for adjusting the annular track is relatively long, and the beach vehicle has poor all-terrain applicability; it is not convenient to provide a speed difference to the driving mechanism of the beach vehicle and adjust the speed difference under the single motor output state; the beach vehicles are mostly fixed specifications, and the operability of the beach vehicle is poor. Based on this, we propose an electric beach vehicle that is easy to operate to solve the technical problems raised in the above background technology. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to provide an electric beach car that is easy to operate.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: an electric beach car that is easy to operate, including a fixed frame, an operating mechanism is arranged above the fixed frame, the inner wall of the fixed frame is slidably connected to two symmetrically arranged moving frames, a group of double-headed push rods are installed on the fixed frame, and the two movable ends of each of the double-headed push rods are respectively fixedly connected to the two moving frames, each of the moving frames is installed with a motor and two symmetrically arranged power drive components, the output shaft end of the motor is drivingly connected with a chain belt, and the fixed frame is installed with a first tensioning member that cooperates with the chain belt;

[0006] The power drive component includes an annular crawler track, a square shaft rotatably connected to the fixed frame and a second tensioning member installed on the moving frame, a differential assembly is installed on the square shaft, and the differential assembly is connected to the chain belt transmission, a distance adjusting member is installed on the moving frame, and the distance adjusting member is connected to two symmetrical power seats with adjustable spacing, and a driving wheel and a track wheel are rotatably installed on the two power seats, one of the driving wheels is driven by the square shaft, and the driving wheel and the track wheel are both connected to the annular crawler track transmission.

[0007] Preferably, the operating mechanism includes a seat frame arranged above the fixed frame, two groups of symmetrically arranged damping and shock-absorbing parts are hinged between the seat frame and the fixed frame, an operating box is installed on the seat frame, an electric control mechanism is installed in the operating box, an operating rod is connected to the electric control mechanism, a central control button is provided on the operating rod, a seat is installed on the seat frame, and two symmetrically arranged handles are installed on the seat.

[0008] Preferably, a power battery is installed at the rear of the seat frame, and two dirt baffles are fixedly installed on both side surfaces of the seat frame, and the dirt baffles cooperate with the annular crawler.

[0009] Preferably, the first tensioning member includes a first tensioning block slidably connected to the inner wall of the fixed frame, a first tensioning spring limited by the fixed frame is installed on the bottom surface of the first tensioning block, a first tensioning wheel is rotatably installed on the first tensioning block, and the first tensioning wheel is connected to the chain belt transmission.

[0010] Preferably, the differential assembly includes a driven plate mounted on a square shaft and a speed regulating push rod fixedly mounted on a fixed frame, the movable end of the speed regulating push rod is fixedly mounted with a differential frame, the inner wall of the differential frame is rotatably connected with a driving ring, the inner wall of the driven plate is slidably connected with a group of supports distributed in a circular array, a connecting rod is hinged between each of the supports and the driving ring, a support wheel is fixedly mounted on the inner wall of each of the supports, and the support wheel is adaptably connected to the chain belt.

[0011] Preferably, the distance adjusting member includes a double-headed motor installed on the moving vehicle frame, and the two output shaft ends of the double-headed motor are fixedly installed with a transmission screw, and the two transmission screws are respectively provided with a positive thread segment and a negative thread segment, and the positive thread segment and the negative thread segment are respectively connected to the two power seats in transmission, and the axis of the transmission screw is perpendicular to the axis of the driving wheel.

[0012] Preferably, the power drive component also includes a hollow shaft rotatably connected to a power seat, the interior of the hollow shaft is fixed with a square groove with openings at both ends and slidably connected to the square shaft, the cross-sections of the hollow shaft and the square groove are both regular polygons, and bevel gears are installed on the hollow shaft and one of the driving wheels, and the two bevel gears are meshed with each other.

[0013] Preferably, the second tensioning member includes two second tensioning blocks rotatably and slidably connected to the moving frame, the sides of the two second tensioning blocks are installed with second tensioning springs limited by the moving frame, and the two second tensioning blocks are rotatably connected to a second tensioning wheel, and the second tensioning wheel is connected to the annular crawler transmission.

[0014] Preferably, two guide frames are installed on the fixed frame, and the two guide frames are slidably connected to the two moving frames respectively.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, the distance between the two power seats is adjusted, and then the continuous contact area of ​​the annular track with the beach per unit time is adjusted in the constant speed working mode of the motor. By adjusting the contact area, the annular track is suitable for different beach driving conditions, and by adjusting the continuous contact area of ​​the annular track with the beach per unit time, the friction between the annular track and the ground can be adjusted, thereby adjusting the driving power, operating performance and anti-sinking effect of the beach vehicle;

[0017] 2. In the present invention, when it is necessary to adjust the speed difference of the annular tracks in the two power drive components, the speed difference of the annular tracks in the two power drive components can be adjusted by controlling the position of the differential frames in the two power drive components, and the speed difference adjustment of the annular tracks in the two power drive components can be achieved by controlling the position difference of the differential frames in the two power drive components. By providing the speed difference in the single motor working mode, the driving power and anti-sinking effect of the beach vehicle can be effectively improved;

[0018] 3. In the present invention, by setting a double-headed push rod, the relative positions of the two moving frames on the fixed frame can be adjusted and finally the total length of the vehicle body composed of the two moving frames and the fixed frame can be adjusted, so that the beach vehicle can be suitable for different use conditions and beach conditions, and the stability, operability, flexibility and driving comfort of the beach vehicle during driving can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of an electric beach vehicle that is easy to operate according to the present invention;

[0020] Figure 2 This is a structural schematic diagram of a conveniently operated electric beach car seat and a frame of the present invention;

[0021] Figure 3 This is a schematic structural diagram of a double-headed push rod and track wheels of an electric beach vehicle that is easy to operate according to the present invention;

[0022] Figure 4This is a schematic structural diagram of a transmission screw and a double-ended push rod of an electric beach vehicle that is easy to operate according to the present invention;

[0023] Figure 5 The present invention is an electric beach car that is easy to operate Figure 4 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 6 It is a structural schematic diagram of a support seat and support wheels of an electric beach vehicle that is easy to operate according to the present invention;

[0025] Figure 7 It is a structural schematic diagram of a transmission screw rod and a second tensioning block of an electric beach vehicle that is easy to operate according to the present invention;

[0026] Figure 8 This is a schematic structural diagram of a second tensioning wheel and a transmission screw rod of an electric beach vehicle that is easy to operate according to the present invention;

[0027] Fig. 9 The present invention is an electric beach car that is easy to operate Figure 8 Schematic diagram of the local enlarged structure at point B in the middle.

[0028] 1. Fixed frame; 2. Moving frame; 3. Double-headed push rod; 4. Motor; 5. Annular track; 6. Square shaft; 7. Power seat; 8. Driving wheel; 9. Track wheel; 10. Seat frame; 11. Damping shock absorber; 12. Operating box; 13. Operating lever; 14. Seat; 15. Power battery; 16. Dirt baffle; 17. First tensioning block; 18. First tensioning spring; 19. First tensioning wheel; 20. Driven plate; 21. Speed ​​regulating push rod; 22. Differential frame; 23. Driving ring; 24. Support seat; 25. Connecting rod; 26. Support wheel; 27. Transmission screw; 28. Hollow shaft; 29. ​​Second tensioning block; 30. Second tensioning spring; 31. Second tensioning wheel; 32. Guide frame. DETAILED DESCRIPTION

[0029] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0030] like Figure 1-Figure 9 The electric beach car shown is easy to operate, comprising a fixed frame 1, and an operating mechanism is provided above the fixed frame 1;

[0031] like Figure 1 and Figure 2As shown, the operating mechanism includes a seat frame 10 arranged above the fixed frame 1, two groups of symmetrically arranged damping shock absorbing members 11 are hinged between the seat frame 10 and the fixed frame 1, an operating box 12 is installed on the seat frame 10, an electric control mechanism is installed in the operating box 12, an operating rod 13 is connected to the electric control mechanism, and a central control button is provided on the operating rod 13;

[0032] By setting the electric control mechanism and the operating lever 13, the electric beach vehicle can be electrically controlled.

[0033] The electric control mechanism and the joystick are common components in existing electric beach cars. Their specific working principles and structures have been disclosed in existing documents and will not be described here in detail.

[0034] A seat 14 is mounted on the seat frame 10, two symmetrically arranged handles are mounted on the seat 14, and a power battery 15 is mounted at the rear of the seat frame 10;

[0035] The power battery 15 is used to supply power to the power using mechanism in the device, and the power battery 15 is a rechargeable storage battery.

[0036] The inner wall of the fixed frame 1 is slidably connected to two symmetrically arranged moving frames 2;

[0037] Two guide frames 32 are installed on the fixed frame 1, and the two guide frames 32 are slidably connected to the two moving frames 2 respectively;

[0038] By setting the two guide frames 32, the movable directions and movable travels of the two moving vehicle frames 2 are limited;

[0039] A set of double-ended push rods 3 are installed on the fixed frame 1, and the two movable ends of each double-ended push rod 3 are fixedly connected to the two moving frames 2 respectively;

[0040] When the electric beach car is in use, the relative positions of the two moving frames 2 on the fixed frame 1 can be adjusted by setting the double-headed push rod 3, and finally the total length of the vehicle body formed by the two moving frames 2 and the fixed frame 1 can be adjusted, so that the beach car can be suitable for different use conditions and beach conditions, and the stability, operability, flexibility and driving comfort of the beach car during driving can be adjusted;

[0041] Each moving frame 2 is equipped with a motor 4 and two symmetrically arranged power drive components, the output shaft end of the motor 4 is connected to the chain belt, and the fixed frame 1 is equipped with a first tensioning member that cooperates with the chain belt;

[0042] The motor 4 is controlled by an electric control mechanism, thereby realizing the control of the speed and rotation direction of the motor 4;

[0043] The first tensioning member includes a first tensioning block 17 slidably connected to the inner wall of the fixed frame 1, a first tensioning spring 18 limited by the fixed frame 1 is installed on the bottom surface of the first tensioning block 17, a first tensioning wheel 19 is rotatably installed on the first tensioning block 17, and the first tensioning wheel 19 is connected to the chain belt transmission;

[0044] The power drive component includes an annular crawler 5, a square shaft 6 rotatably connected to the fixed frame 1, and a second tensioner mounted on the moving frame 2. A differential assembly is mounted on the square shaft 6, and the differential assembly is connected to the chain belt transmission.

[0045] The differential assembly includes a driven plate 20 mounted on the square shaft 6 and a speed regulating push rod 21 fixedly mounted on the fixed frame 1, a differential frame 22 is fixedly mounted on the movable end of the speed regulating push rod 21, a driving ring 23 is rotatably connected to the inner wall of the differential frame 22, a group of support seats 24 distributed in a circumferential array are slidably connected to the inner wall of the driven plate 20, a connecting rod 25 is hinged between each support seat 24 and the driving ring 23, a support wheel 26 is fixedly mounted on the inner wall of each support seat 24, and the support wheel 26 is adaptively connected to the chain belt;

[0046] When it is necessary to adjust the speed difference of the annular tracks 5 in the two power drive components, the speed difference of the annular tracks 5 in the two power drive components can be adjusted by controlling the position of the differential frame 22 in the two power drive components, and the speed difference adjustment of the annular tracks 5 in the two power drive components can be achieved by controlling the position difference of the differential frame 22 in the two power drive components. By providing the speed difference in the single motor 4 working mode, the driving power and anti-sinking effect of the beach vehicle are effectively improved;

[0047] When the two differential assemblies adjust the speed difference, the first tensioning wheel 19 and the first tensioning spring 18 are arranged so that the chain belt is always tensioned and the output transmission is stabilized;

[0048] A distance adjusting member is installed on the moving carriage frame 2, and two symmetrical power seats 7 with adjustable spacing are transmission-connected to the distance adjusting member;

[0049] The pitch adjusting member comprises a double-headed motor mounted on the moving vehicle frame 2, and a transmission screw 27 is fixedly mounted on both output shaft ends of the double-headed motor, and a positive thread segment and a negative thread segment are respectively arranged on the two transmission screws 27, and the positive thread segment and the negative thread segment are respectively connected to the two power seats 7 in transmission, and the axis of the transmission screw 27 is perpendicular to the axis of the driving wheel 8;

[0050] By setting the positive thread segment and the negative thread segment, the two power seats 7 can be synchronously approached or moved away from each other, and the distance between the two transmission blocks can be quickly changed by the two power seats 7 approaching or moving away from each other.

[0051] A driving wheel 8 and a track wheel 9 are rotatably mounted on the two power seats 7, and the driving wheel 8 is driven by the square shaft 6;

[0052] The power drive component also includes a hollow shaft 28 rotatably connected to a power seat 7, a square groove with two ends open and slidably connected to the square shaft 6 is fixedly opened inside the hollow shaft 28, and the cross-sections of the hollow shaft 28 and the square groove are both regular polygons, and bevel gears are installed on the hollow shaft 28 and a driving wheel 8, and the two bevel gears are meshed with each other;

[0053] The driving wheel 8 and the track wheel 9 are both connected to the annular track 5 in a transmission manner;

[0054] The second tensioning member includes two second tensioning blocks 29 rotatably and slidably connected to the moving frame 2, and the sides of the two second tensioning blocks 29 are both installed with second tensioning springs 30 limited by the moving frame 2, and the two second tensioning blocks 29 are both rotatably connected with a second tensioning wheel 31, and the second tensioning wheel 31 is drivingly connected to the annular crawler 5;

[0055] When the beach vehicle is working, the distance between the two power seats 7 can be quickly adjusted by driving the distance adjusting member. When the positions of the two power seats 7 are adjusted, the positions of the two second tensioning wheels 31 are driven to change.

[0056] By adjusting the distance between the two power seats 7, the continuous contact area of ​​the annular track 5 with the beach per unit time is adjusted in the constant speed working mode of the motor 4. By adjusting the contact area, the annular track 5 is suitable for different beach driving conditions. By adjusting the continuous contact area of ​​the annular track 5 with the beach per unit time, the friction between the annular track 5 and the ground can be adjusted to adjust the driving power, operating performance and anti-sinking effect of the beach vehicle.

[0057] Two dirt-blocking plates 16 are fixedly mounted on both sides of the seat frame 10 , and the dirt-blocking plates 16 cooperate with the annular crawler 5 .

[0058] The working principle of the present invention is: when the electric beach vehicle is in use, the relative positions of the two moving frames 2 on the fixed frame 1 can be adjusted by setting the double-headed push rod 3, and finally the total length of the vehicle body formed by the two moving frames 2 and the fixed frame 1 can be adjusted, so that the beach vehicle can be suitable for different use conditions and beach conditions, and the stability, operability, flexibility and driving comfort of the beach vehicle during driving can be adjusted. When the beach vehicle is working, the distance between the two power seats 7 can be quickly adjusted by driving the distance adjusting member. When the positions of the two power seats 7 are adjusted, the positions of the two second tensioning wheels 31 are changed passively. By adjusting the distance between the two power seats 7, the continuous contact area of ​​the annular crawler 5 with the beach per unit time is adjusted in the constant speed working mode of the motor 4. By adjusting the contact area The circular crawler 5 is adapted to different beach driving conditions, and by adjusting the continuous contact area of ​​the circular crawler 5 with the beach per unit time, the friction between the circular crawler 5 and the ground can be adjusted to adjust the driving power, operating performance and the effect of preventing the beach vehicle from sinking into the sand. When it is necessary to adjust the speed difference of the circular crawler 5 in the two power drive components, the speed difference of the circular crawler 5 in the two power drive components can be adjusted by controlling the position of the differential frame 22 in the two power drive components, and the speed difference of the circular crawler 5 in the two power drive components can be adjusted by controlling the position difference of the differential frame 22 in the two power drive components. By providing the speed difference in the single motor 4 working mode, the driving power and anti-sinking effect of the beach vehicle are effectively improved.

[0059] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An electric beach vehicle that is easy to operate, comprising a fixed frame (1), characterized in that: An operating mechanism is provided above the fixed frame (1); the inner wall of the fixed frame (1) is slidably connected to two symmetrically arranged moving frames (2); a group of double-headed push rods (3) are installed on the fixed frame (1); the two movable ends of each of the double-headed push rods (3) are respectively fixedly connected to the two moving frames (2); each of the moving frames (2) is installed with a motor (4) and two symmetrically arranged power drive components; the output shaft end of the motor (4) is drivingly connected to a chain belt; and a first tensioning member cooperating with the chain belt is installed on the fixed frame (1); The power drive component comprises an annular crawler (5), a square shaft (6) rotatably connected to the fixed frame (1), and a second tensioning member mounted on the moving frame (2); a differential assembly is mounted on the square shaft (6), and the differential assembly is transmission-connected to the chain belt; a distance adjusting member is mounted on the moving frame (2); two symmetrical power seats (7) with adjustable spacing are transmission-connected to the distance adjusting member; a driving wheel (8) and a track wheel (9) are rotatably mounted on the two power seats (7); one of the driving wheels (8) is driven by the square shaft (6); and the driving wheel (8) and the track wheel (9) are transmission-connected to the annular crawler (5).

2. The conveniently operated electric beach vehicle according to claim 1, characterized in that: The operating mechanism comprises a seat frame (10) arranged above a fixed frame (1), two groups of symmetrically arranged damping shock absorbing parts (11) are hingedly connected between the seat frame (10) and the fixed frame (1), an operating box (12) is installed on the seat frame (10), an electric control mechanism is installed in the operating box (12), an operating rod (13) is connected to the electric control mechanism, and a central control button is provided on the operating rod (13), a seat (14) is installed on the seat frame (10), and two symmetrically arranged handles are installed on the seat (14).

3. The conveniently operated electric beach vehicle according to claim 2, characterized in that: A power battery (15) is installed at the rear of the seat frame (10), and two dirt baffles (16) are fixedly installed on both side surfaces of the seat frame (10), and the dirt baffles (16) cooperate with the annular crawler (5).

4. The conveniently operated electric beach vehicle according to claim 1, characterized in that: The first tensioning member comprises a first tensioning block (17) slidably connected to the inner wall of the fixed frame (1); a first tensioning spring (18) limited by the fixed frame (1) is mounted on the bottom surface of the first tensioning block (17); a first tensioning wheel (19) is rotatably mounted on the first tensioning block (17); and the first tensioning wheel (19) is connected to the chain belt transmission.

5. The conveniently operated electric beach vehicle according to claim 1, characterized in that: The differential assembly comprises a driven disc (20) mounted on a square shaft (6) and a speed regulating push rod (21) fixedly mounted on a fixed frame (1); a differential frame (22) is fixedly mounted on the movable end of the speed regulating push rod (21); a driving ring (23) is rotatably connected to the inner wall of the differential frame (22); a group of support seats (24) distributed in a circumferential array are slidably connected to the inner wall of the driven disc (20); a connecting rod (25) is hingedly connected between each of the support seats (24) and the driving ring (23); a support wheel (26) is fixedly mounted on the inner wall of each of the support seats (24); and the support wheel (26) is adaptively connected to the chain belt.

6. The conveniently operated electric beach vehicle according to claim 1, characterized in that: The pitch adjusting member comprises a double-headed motor mounted on the moving vehicle frame (2), the two output shaft ends of the double-headed motor are fixedly mounted with a transmission screw (27), the two transmission screws (27) are respectively provided with a positive thread segment and a negative thread segment, the positive thread segment and the negative thread segment are respectively transmission-connected to the two power seats (7), and the axis of the transmission screw (27) is perpendicular to the axis of the driving wheel (8).

7. The conveniently operated electric beach vehicle according to claim 1, characterized in that: The power drive component also includes a hollow shaft (28) rotatably connected to a power seat (7), a square groove with two ends opened and slidably connected to the square shaft (6) is fixedly opened inside the hollow shaft (28), and the cross-sections of the hollow shaft (28) and the square groove are both regular polygons. Bevel gears are installed on the hollow shaft (28) and the driving wheel (8), and the two bevel gears are meshed with each other.

8. The conveniently operated electric beach vehicle according to claim 1, characterized in that: The second tensioning member comprises two second tensioning blocks (29) rotatably and slidably connected to the moving frame (2), the side surfaces of the two second tensioning blocks (29) are both mounted with second tensioning springs (30) limited by the moving frame (2), the two second tensioning blocks (29) are both rotatably connected to a second tensioning wheel (31), and the second tensioning wheel (31) is drivingly connected to the annular crawler belt (5).

9. The conveniently operated electric beach vehicle according to claim 1, characterized in that: Two guide frames (32) are installed on the fixed vehicle frame (1), and the two guide frames (32) are respectively slidably connected to the two moving vehicle frames (2).

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