Quick dismounting structure of scooter front and rear frames

Abstract

The present application relates to a kind of detachable scooter, in particular to a kind of scooter front and rear frame quick disassembly structure.A kind of scooter front and rear frame quick disassembly structure, including front and rear two frame bodies, two frame bodies are equipped with the locking assembly for keeping the connected state, the locking assembly includes two along the left and right direction slidingly arranged locking pin and locking hole, one of the two frame bodies is equipped with the locking pin, the other one of the two frame bodies is equipped with the locking hole, one of two frame bodies is hinged with a swing piece, the swing piece and locking pin are all equipped with the guiding surface of mutual contact cooperation, the guiding surface of the swing piece or / and the guiding surface of the locking pin gradually extends to side from front to back.The present application has the advantages of being able to improve the stability of scooter assembly, and locking is more convenient, can make the two frame bodies of scooter more convenient to disassemble.

Description

TECHNICAL FIELD

[0001] The present application relates to a detachable scooter, in particular to a quick dismounting structure of front and rear frames of a scooter. BACKGROUND

[0002] In order to facilitate production, assembly and storage and transportation, the frame body of the scooter is usually divided into a front frame body fixed with a handlebar and a front wheel and a rear frame body fixed with a driving part and a rear wheel, and a lap joint structure is used between the front and rear frame bodies to facilitate assembly and disassembly.

[0003] A scooter lap joint frame with elastic pin is disclosed in Chinese patent CN203766969U, which comprises a rear wheel seat, a frame body and an elastic pin. The rear wheel seat is clamped on the cylindrical protrusions on both sides of the frame body, and the rear end of the frame body is provided with a front and rear penetrating positioning hole. The elastic pin is inserted into the positioning hole to buckle the frame body on the top rod of the rear wheel seat to fix the rear wheel seat and the frame body. The top end of the elastic pin is provided with a handle with an eccentric wheel. The handle is rotated to drive the elastic pin to be inserted or pulled out. When the locking of the above-mentioned scooter is released, the elastic pin needs to be pulled backward, then the handle is rotated to buckle the elastic pin, and then the frame body and the rear wheel seat are separated by applying force to them respectively.

[0004] The above-mentioned elastic pin is only provided with one, which has poor stability during use, and the lap joint part of the frame body and the rear wheel seat may shake. If two or more elastic pins are provided, the locking needs to be released by multiple operations, which makes the dismounting of the scooter more troublesome and time-consuming. SUMMARY

[0005] The purpose of the present application is to provide a quick dismounting structure of front and rear frames of a scooter, which can improve the stability of the scooter after assembly and is very convenient to dismount.

[0006] To achieve the above object, the application adopts the following technical scheme: A front and rear frame quick dismounting structure of a scooter, comprising two frame bodies, the two frame bodies comprising a front frame body fixed with a front wheel and a rear frame body fixed with a rear wheel, a locking assembly arranged between the two frame bodies for maintaining a connected state, the locking assembly comprising two locking pins arranged in a sliding mode along a left-right direction and a locking hole for cooperating with the locking pins, one of the two frame bodies being provided with the locking pins, the other of the two frame bodies being provided with the locking hole, one of the two frame bodies being hingedly connected with a swing member, the swing member and the locking pins being provided with guiding surfaces in contact with each other, the length of the guiding surface of the swing member along a front-rear direction being greater than the length of the guiding surface of the locking pin along the front-rear direction, the guiding surface of the swing member and / or the guiding surface of the locking pin gradually extending to a side from front to back, when the swing member swings, the guiding surface of the swing member moves forward or backward and contacts the guiding surface of the locking pin, thereby simultaneously pushing the two locking pins to move to a side.

[0007] The locking assembly of the application comprises two locking pins, which can lock both sides of the scooter, and can reduce or even avoid the occurrence of the one-side shaking of the scooter during use. The swing member of the application swings, thereby making the guiding surface of the swing member contact the guiding surface of the locking pin, which can simultaneously push the locking pins on both sides, can simultaneously lock the structures on both sides of the scooter, and can realize the locking and unlocking of the scooter at one time while ensuring the stability. The two frame bodies of the application can be assembled and positioned together by using any existing lap joint structure or other structure.

[0008] As a preferred, the two frame bodies are provided with a lap joint structure cooperating with each other, the lap joint structure comprising a support rod and a clamping block cooperating with each other or / and a positioning rod and a support block cooperating with each other, the support rod and the positioning rod extending along a left-right direction, the clamping block being provided with a clamping groove opening downward and laterally penetrating, and the support block being provided with a support groove opening upward and laterally penetrating.

[0009] As a preferred, the lower rear end of the front frame body is provided with the clamping block, the lower front end of the rear frame body is provided with the support rod, the upper rear end of the front frame body is provided with the positioning rod, the upper front end of the rear frame body is provided with the support block, the upper end of the swing member is provided with a pull handle, and the lower end of the swing member is provided with the guiding surface. The support rod and the clamping block are arranged, and the positioning rod and the support block are arranged, which can further improve the stability after lap joint assembly while ensuring the quick lap joint assembly. The upper end of the swing member is provided with a pull handle, the swing of the swing member can be realized by pulling, which can make the unlocking more convenient, and the pull handle can also facilitate the carrying of the frame body.

[0010] As preferred, the clamping groove extends from top to bottom to the front side and penetrates the lower end surface of the clamping block, and the support groove extends from bottom to top to the front side and penetrates the front end surface of the support block. When the two frame bodies are overlapped, the support rod is located on the front side of the positioning rod. After the two frame bodies are overlapped and assembled, due to the above structure, the clamping groove wall also limits the support rod to avoid relative rotation of the two frame bodies at the positioning rod. Meanwhile, the positioning rod is located at the deepest part of the support groove, and under the influence of the weight of the scooter, the front and back movement of the positioning rod is limited, thereby further improving the stability of the scooter after being overlapped and assembled.

[0011] As preferred, the two clamping blocks and the two support blocks form limiting spaces. When the two frame bodies are overlapped, the front end of the lower part of the rear frame body is located in the limiting space formed between the two clamping blocks, and the rear end of the upper part of the front frame body is located in the limiting space formed between the two support blocks. By setting the limiting space, the left and right shaking of the front frame body and the rear frame body is avoided, thereby further improving the stability.

[0012] As preferred, the locking pin is slidably arranged on the front frame body, and the swing member is hingedly arranged on the front frame body. The locking pin and the swing member are both arranged on the front frame body, which can avoid the situation that the swing member and the locking pin cannot be matched after the two frame bodies are assembled.

[0013] As preferred, the frame body in which the locking pin is slidably arranged is provided with a guide groove extending in the left-right direction and a clearance groove extending in the front-rear direction and communicating with the guide groove. A first spring is arranged in the guide groove. The locking pin is slidably arranged in the guide groove. The swing member is provided with a second spring for realizing the reset of the swing member. When the two frame bodies are overlapped, the guide surface of the locking pin is always in contact with the guide surface of the swing member under the action of the first spring. By setting the first spring, the contact between the two guide surfaces is ensured, and the response speed when the lock is released is improved. The second spring is used for the reset of the swing member, which can be set according to actual needs, such as a torsional spring arranged at the axis of the swing member as the second spring.

[0014] As preferred, the first spring is provided with one locking pin on each of the left and right sides. The locking pin is provided with a matching groove which is open upward and penetrates through the front and back. The lateral groove wall of the matching groove forms the guide surface of the locking pin. The lower end of the swing member is provided with two adjustment parts extending in the front-rear direction. The guide surface of the swing member is arranged on the adjustment part, and the adjustment part is matched in the clearance groove and the matching groove. The swing member extends into the clearance groove and the matching groove, which also avoids the self-rotation of the locking pin to maintain the normal use of the locking pin. Meanwhile, the first spring is arranged between the two locking pins, which does not need to be fixed. After the swing member is assembled, the left and right positions of the locking pin are limited by the swing member, thereby realizing the left and right position limitation of the first spring, which is convenient for the assembly and subsequent maintenance of the scooter during production.

[0015] As preferred, the two adjusting parts are provided with limiting protrusions extending to the lateral sides, the end of the left adjusting part is provided with a limiting protrusion extending to the left side, the end of the right adjusting part is provided with a limiting protrusion extending to the right side, under the action of the second spring, the limiting protrusions are located at the front side or the rear side of the locking pin, and the adjusting parts are located in the matching grooves. By arranging the limiting protrusions, the adjusting parts are prevented from drawing out of the matching grooves, so that the stability during disassembly and assembly of the scooter is further improved.

[0016] As preferred, the rear frame body is provided with a power supply and / or a controller, the front end of the rear frame body is provided with a first connector for electrically connecting the power supply and / or the controller, the rear end of the front frame body is provided with a second connector for electrically connecting the scooter operating module, when the two frame bodies are overlapped with each other, the first connector and the second connector are plugged with each other and electrically connected.

[0017] The present application has the advantages of improving the stability of the assembled scooter, making the locking and unlocking more convenient, and making the disassembly and assembly of the two frame bodies of the scooter more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the front frame body of the present application.

[0019] Figure 2 It is a structural schematic view of the rear frame body of the present application.

[0020] Figure 3 It is a structural schematic view of the front frame body and the rear frame body of the present application when they are overlapped.

[0021] Figure 4 It is a sectional view of the transverse pipe of the front frame body of the present application.

[0022] Figure 5 It is a structural schematic view of the swing member of the present application.

[0023] Figure 6 It is a structural schematic view of the locking pin of the present application. DETAILED DESCRIPTION

[0024] The present application will be further described below according to the drawings and specific embodiments.

[0025] By Figures 1 to 3As shown, the embodiment discloses a scooter front and rear frame quick disassembly and assembly structure, including two frame bodies, two frame bodies including front frame body 11 and rear frame body 12, front frame body 11 front end fixed with front wheel (not shown in the figure) and faucet (not shown in the figure), rear frame body 12 is equipped with driving part 13, battery 15 as power supply, controller (not shown in the figure) and rear wheel 14, seat 16 is arranged at the rear end of front frame body 11 or the front end of rear frame body 12, front frame body 11 and rear frame body 12 are equipped with lapping structure that cooperates with each other.

[0026] Wherein, the upper front end of rear frame body 12 is equipped with first installation for setting first connector 121, first connector 121 is used for electrically connecting power supply and controller, the upper rear end of front frame body 11 is equipped with second installation for setting second connector 111, second connector 111 is used for electrically connecting scooter operation module (not shown in the figure), when front frame body 11 and rear frame body 12 are lapped with each other, first connector 121 and second connector 111 are mutually inserted and matched and realize electrical connection. Wherein, the scooter operation module of the embodiment is any one of existing electric scooters for realizing the existing structure of scooter work (start-stop, on-off light, steering, speed control, etc.).

[0027] Lapping structure includes mutually matched support rod 21 and clamping block 22 and mutually matched positioning rod 23 and support block 24, support rod 21 and positioning rod 23 all extend along left and right directions, clamping block 22 is equipped with downwardly opening and left and right side through clamping groove 221, support block 24 is equipped with upwardly opening and left and right side through support groove 241. The lower rear end of front frame body 11 is equipped with clamping block 22, the lower front end of rear frame body 12 is equipped with support rod 21, the upper rear end of front frame body 11 is equipped with positioning rod 23, the upper front end of rear frame body 12 is equipped with support block 24, support rod 21 and positioning rod 23 are parallelly arranged.

[0028] Wherein, clamping groove 221 extends from top to bottom to front side and penetrates clamping block 22 lower end surface, clamping groove 221 front and back width gradually increases from top to bottom, support groove 241 extends from bottom to top to front side and penetrates support block 24 front end surface, the limit space is formed between two clamping blocks 22 and two support blocks 24, when front frame body 11 and rear frame body 12 are lapped with each other, support rod 21 is located relative to the front side of positioning rod 23, support rod 21 is supported on the top end of clamping groove 221, positioning rod 23 is located in the deep back end of support groove 241, the lower front end of rear frame body 12 is located in the limit space formed between two clamping blocks 22, and the upper rear end of front frame body 11 is located in the limit space formed between two support blocks 24.

[0029] From Figures 1 to 3As shown, the front frame body 11 and the rear frame body 12 are provided with a locking assembly for maintaining the overlapped state, the locking assembly comprising two locking pins 3 slidingly arranged in the left-right direction and a locking hole 30 for cooperating with the locking pin 3, the locking hole 30 being arranged on the support block 24 and extending through the support block 24 in the left-right direction, and the locking hole 30 being located at the lower side of the support groove 241.

[0030] As shown, Figure 1 , Figure 4 and Figure 6 As shown, the upper rear end of the front frame body 11 is provided with a horizontal pipe 112 constituting a left-right extending guide groove, both the locking pins 3 slidingly fitting in the guide groove of the horizontal pipe 112, the upper part of the horizontal pipe 112 being provided with a front-rear extending and upwardly opening accommodation groove, the accommodation groove being in communication with the guide groove, the accommodation groove being used for exposing the part of the locking pin 3, and the horizontal pipe 112 being further provided with a first spring 31, the first spring 31 being located between the two locking pins 3. Wherein, the locking pin 3 is provided with a front-rear extending and upwardly opening cooperating groove 32.

[0031] As shown, Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the front frame body 11 is further hingedly provided with a swing member 4, the rotating shaft of the middle part of the swing member 4 being fitted with a second spring 40 for realizing the reset of the swing member 4, the upper end of the swing member 4 being provided with a pull handle 41, and the lower end of the swing member 4 being provided with two adjusting portions 42, one adjusting portion 42 corresponding to one locking pin 3. Both the adjusting portions 42 are provided with a limiting protrusion 43 extending to the side, the rear section of the adjusting portion on the left side being provided with a limiting protrusion extending to the left side, and the rear section of the adjusting portion on the right side being provided with a limiting protrusion extending to the right side, under the action of the second spring 40, the limiting protrusion 43 being located at the rear side of the horizontal pipe 112, and the adjusting portion 42 always fitting in the cooperating groove 32. Wherein, the horizontal pipe 112 and the locking pin 3 are located below the rear side of the rotating shaft axis of the swing member 4, and always located in front of the limiting protrusion 43, and the pull handle 41 is located above the rear side of the rotating shaft axis.

[0032] As shown, Figures 4 to 6As shown, the adjusting part 42 of the swing member 4 and the locking pin 3 are provided with guiding surfaces in contact with each other, the guiding surfaces include the first guiding surface 44 provided on the side surface of the adjusting part 42 and the second guiding surface 33 provided on the side groove wall of the matching groove 32 of the locking pin 3, the right side surface of the adjusting part on the left side is provided with the first guiding surface, the left side surface of the adjusting part on the right side is provided with the first guiding surface, the right groove wall of the matching groove of the locking pin on the left side is the second guiding surface, and the left groove wall of the matching groove of the locking pin on the right side is the second guiding surface. The length of the first guiding surface 44 in the front-rear direction is greater than the length of the second guiding surface 33 in the front-rear direction, the first guiding surface 44 and the second guiding surface 33 gradually extend to the side from front to back, the first guiding surface 44 on the left side gradually extends to the left side, and the first guiding surface 44 on the right side gradually extends to the right side. When the swing member 4 swings, the first guiding surface 44 of the swing member 4 moves backward and contacts the second guiding surface 33 of the locking pin 3, so as to simultaneously push the two locking pins 3 to move to the inner side of the side, that is, the locking pin on the left side moves to the right side, and the locking pin on the right side moves to the left side. When the front frame body 11 and the rear frame body 12 are overlapped with each other, the second guiding surface 33 of the locking pin 3 is always in contact with the first guiding surface 44 of the swing member 4 under the action of the first spring 31.

[0033] When the user needs to disassemble the scooter of the embodiment, the user slightly bends over to enable the hand to hold the pull handle, and then pulls the pull handle forward and upward to enable the swing member to swing and push the two locking pins to move to the inner side, so that the outer end of the locking pin is separated from the locking hole; then the user continues to pull the pull handle to enable the positioning rod to be separated from the supporting groove, and the user continues to pull the pull handle upward to enable the clamping groove to be separated from the supporting rod, that is, the disassembly between the front frame body and the rear frame body is completed.

[0034] The present application has the advantages of improving the stability of the assembled scooter, making the locking release more convenient, and enabling the disassembly between the two frame bodies of the scooter to be more convenient.

Claims

1. A scooter front and rear frame quick dismounting structure, comprising two frame bodies, the two frame bodies comprising a front frame body fixed with a front wheel and a rear frame body fixed with a rear wheel, and a locking assembly arranged between the two frame bodies for maintaining a connected state, characterized in that: The locking assembly comprises two locking pins slidingly arranged along the left-right direction and locking holes for matching the locking pins, one of the two frame bodies is provided with the locking pins, the other of the two frame bodies is provided with the locking holes, one of the two frame bodies is hingedly connected with a swing member, the swing member and the locking pins are both provided with guiding surfaces in contact with each other, the length of the guiding surface of the swing member along the front-rear direction is greater than the length of the guiding surface of the locking pin along the front-rear direction, and the guiding surface of the swing member and / or the guiding surface of the locking pin gradually extends to the side from front to back; when the swing member swings, the guiding surface of the swing member moves forward or backward and contacts the guiding surface of the locking pin, thereby simultaneously pushing the two locking pins to move to the side; the frame body in which the locking pins are slidingly arranged is provided with a guiding groove extending along the left-right direction and a displacement groove extending along the front-rear direction and communicating with the guiding groove, the guiding groove is provided with a first spring, the locking pin is slidingly arranged in the guiding groove, the swing member is matched with a second spring for realizing the reset of the swing member, when the two frame bodies are overlapped with each other, the guiding surface of the locking pin is always in contact with the guiding surface of the swing member under the action of the first spring; the first spring is provided with the locking pin on the left and right sides, the locking pin is provided with a matching groove which is open upward and penetrates through from front to back, the side groove wall of the matching groove constitutes the guiding surface of the locking pin, the lower end of the swing member is provided with two adjusting portions extending along the front-rear direction, the guiding surface of the swing member is arranged on the adjusting portion, and the adjusting portion is matched in the displacement groove and the matching groove; the two adjusting portions are both provided with a limiting protrusion extending to the side, the end of the adjusting portion on the left is provided with a limiting protrusion extending to the left side, the end of the adjusting portion on the right is provided with a limiting protrusion extending to the right side, under the action of the second spring, the limiting protrusion is located on the front side or the rear side of the locking pin, and the adjusting portion is located in the matching groove.

2. The scooter front and rear frame quick detach structure according to claim 1, characterized in that: The two frame bodies are provided with overlapping structures matched with each other, the overlapping structures comprise support rods and clamping blocks matched with each other or / and positioning rods and support blocks matched with each other, the support rods and the positioning rods both extend along the left-right direction, the clamping block is provided with a clamping groove which is open downward and penetrates through laterally, and the support block is provided with a support groove which is open upward and penetrates through laterally.

3. The scooter front and rear frame quick detachable structure according to claim 2, characterized in that: The lower rear end of the front frame body is provided with the clamping block, the lower front end of the rear frame body is provided with the support rod, the rear end of the upper portion of the front frame body is provided with the positioning rod, the front end of the upper portion of the rear frame body is provided with the support block, the upper end of the swing member is provided with a pulling handle, and the lower end of the swing member has the guiding surface.

4. The scooter front and rear frame quick detachable structure according to claim 3, characterized in that: The clamping groove extends to the front side and penetrates through the lower end surface of the clamping block from top to bottom, the support groove extends to the front side and penetrates through the front end surface of the support block from bottom to top, and when the two frame bodies are overlapped with each other, the support rod is located on the front side of the positioning rod.

5. The scooter front and rear frame quick detachable structure according to claim 3, characterized in that: The two clamping blocks and the two support blocks both constitute limiting spaces, when the two frame bodies are overlapped with each other, the lower front end of the rear frame body is located in the limiting space constituted by the two clamping blocks, and the rear end of the upper portion of the front frame body is located in the limiting space constituted by the two support blocks.

6. The scooter front and rear frame quick detachable structure according to claim 3, characterized in that: The locking pin is slidably fitted on the front frame body, and the swing member is hingedly connected to the front frame body.

7. The scooter front and rear frame quick detach structure according to claim 1, characterized in that: The rear frame body is provided with a power supply and / or a controller, and a first connector for electrically connecting the power supply and / or the controller is arranged at the front end of the rear frame body. A second connector for electrically connecting the scooter operating module is arranged at the rear end of the front frame body. When the two frame bodies are overlapped with each other, the first connector and the second connector are plugged into each other and electrically connected.

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