CN-224225225-U - Easy-to-disassemble motorcycle frame convenient for maintenance
Abstract
The utility model relates to the technical field of motorcycles, in particular to an easy-to-disassemble motorcycle frame convenient to maintain, which comprises a main frame, wherein an engine is detachably arranged on the main frame through a pull-out locking mechanism, and the pull-out locking mechanism comprises a mounting plate, a first sliding groove and a second sliding groove, wherein the mounting plate is in sliding fit with the first sliding groove arranged on a lower beam; the locking assembly is provided with two groups and comprises a locking plate and a driving assembly, the locking plate is arranged in a sliding mode along the direction perpendicular to the mounting plate, the upper end face of the locking plate is provided with a first inclined face, the driving assembly comprises a screw rod and a sliding block, the screw rod passes through the lower beam and is in threaded connection with the sliding block to form a screw rod sliding block mechanism, the sliding block is provided with a second inclined face matched with the first inclined face, the screw rod drives the second inclined face to act on the first inclined face, the lower end face of the mounting plate enters the first sliding groove to lock the mounting plate, and the engine can be detached from the main frame by reversely rotating the screw rod.
Inventors
- HU BO
- CHEN JIULONG
- ZHANG SULE
- YANG XINYI
- WANG BO
- FU QIANG
Assignees
- 重庆荣爵科技有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20250723
Claims (8)
- 1. The easy-to-disassemble motorcycle frame is convenient to maintain and comprises a main frame, wherein two pairs of lower beams (1) extending downwards on the main frame form an installation space of an engine, and the easy-to-disassemble motorcycle frame is characterized in that the engine is detachably installed on the lower beams (1) through a pull type locking mechanism, and the pull type locking mechanism comprises: The mounting plate (3) is used for bearing and fixing the engine, and the mounting plate (3) is in sliding fit with a first sliding groove (11) formed in the lower beam (1); The locking components are provided with two groups and are symmetrical relative to the vertical symmetry plane of the mounting plate (3), and each locking component comprises a locking plate (2) and a driving component; the locking plate (2) is arranged in a sliding manner along the direction perpendicular to the mounting plate (3), and a first inclined plane (21) is arranged on the upper end surface of the locking plate (2); The driving assembly comprises a screw (4) and a sliding block (5); The screw rod (4) passes through the lower beam (1) and is connected with the sliding block (5) in a threaded manner to form a screw rod sliding block mechanism; The sliding block (5) is provided with a second inclined plane (51) matched with the first inclined plane (21); The screw (4) drives the second inclined surface (51) to act on the first inclined surface (21) so that the lower end surface of the mounting plate (3) enters the first sliding groove (11) and acts on the mounting plate (3).
- 2. The easy-to-disassemble motorcycle frame convenient for maintenance according to claim 1, wherein the mounting plate (3) is provided with a third inclined plane (31) on each of two opposite side surfaces, and the lower end surface of the locking plate (2) is provided with a fourth inclined plane (22) corresponding to and matched with the third inclined plane (31).
- 3. The easy-to-disassemble motorcycle frame convenient for maintenance according to claim 2, characterized in that the third inclined plane (31) is provided with a first saw tooth (32), the fourth inclined plane (22) is provided with a second saw tooth (23), and the first saw tooth (32) and the second saw tooth (23) are adapted and arrayed along the length direction of the inclined plane where each is located.
- 4. The easy-to-disassemble motorcycle frame convenient to maintain according to claim 3, wherein a locating plate (6) is arranged on the front end face of the mounting plate (3), a locating groove (12) is arranged on the lower beam (1), the thickness of the mounting plate (3) is the same as the depth of the locating groove (12), and the first saw teeth (32) and the second saw teeth (23) are corresponding when the mounting plate (3) is completely located in the locating groove (12).
- 5. A motorcycle frame easy to disassemble and convenient to maintain according to claim 3, characterized in that the opposite lower beams (1) are connected by a first connecting piece (7), the first sliding groove (11) penetrates through the lower beams (1) and the connecting piece, a second sliding groove (71) which is vertical and communicated with the first sliding groove (11) is further formed in the connecting piece, and the locking plate (2) is slidably arranged in the second sliding groove (71) by a first sliding guide rail.
- 6. The easy-to-disassemble motorcycle frame convenient to maintain according to claim 5, characterized in that a second inclined plane (51) on the sliding block (5) is positioned in the second sliding groove (71), the lower part of the sliding block (5) is in sliding fit with the second sliding groove (71) through a second sliding guide rail, the upper part of the sliding block (5) is in sliding connection with a third sliding groove through a third sliding guide rail, the third sliding groove is arranged on a second connecting piece (8), and the second connecting piece (8) is fixedly connected with the opposite lower beam (1); The central axis of the screw (4) is positioned on the symmetrical plane of the second sliding guide rail and the third sliding guide rail.
- 7. The easy-to-disassemble motorcycle frame convenient for maintenance according to claim 6, characterized in that said screw (4) is a bidirectional screw (4); Each group of first inclined planes (21) on the locking plate (2) are respectively provided with two groups, and are symmetrical relative to the symmetry plane of the mounting plate (3), and the sliding blocks (5) corresponding to each group of the locking plate (2) are respectively provided with two groups and are respectively in threaded connection with different rotation direction thread sections of the bidirectional screw rod (4).
- 8. The easy-to-disassemble motorcycle frame convenient for maintenance according to claim 5, characterized in that a spring (9) is arranged between the locking plate (2) and the second chute (71) for providing a restoring force to the locking plate (2).
Description
Easy-to-disassemble motorcycle frame convenient for maintenance Technical Field The utility model relates to the technical field of motorcycles, in particular to an easy-to-disassemble motorcycle frame convenient to maintain. Background The Chinese patent with the authorized bulletin number of CN220315206U and the application date of 2023.06.28 discloses a detachable motorcycle frame and the Chinese patent with the authorized bulletin number of CN217048922U and the application date of 2022.03.31 discloses a quick detachable and foldable electric motorcycle frame, and both the two patents provide an easy-to-disassemble motorcycle frame, so that the problem of inconvenient maintenance is solved to a certain extent. However, the connection mode of the motorcycle frame and the power assembly still severely restricts the maintenance efficiency, in the prior art, the engine is usually fixed on the main frame through welding or bolts, a plurality of bolts are required to be disassembled for maintaining the engine (such as a crankshaft, a piston and other parts), the engine can be disassembled from the main frame, the time consumption is long, and a plurality of bolts are required to be reinstalled after maintenance, so that the engine is fixed. Disclosure of utility model The utility model aims to provide an easy-to-disassemble motorcycle frame which is convenient to maintain so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: Easy disassemble formula motorcycle frame convenient to maintenance, including the main frame, two pairs of underbeams of downwardly extending form the installation space of engine on the main frame, the engine pass through pull formula locking mechanism detachable install in on the underbeam, pull formula locking mechanism is including: The mounting plate is used for bearing and fixing the engine and is in sliding fit with a first sliding groove formed in the lower beam; The locking assemblies are provided with two groups and are symmetrical with respect to the vertical symmetry plane of the mounting plate, and each locking assembly comprises a locking plate and a driving assembly; the locking plate is arranged in a sliding manner along the direction perpendicular to the mounting plate, and a first inclined plane is arranged on the upper end face of the locking plate; the driving assembly comprises a screw and a sliding block; the screw rod passes through the lower beam and is in threaded connection with the sliding block to form a screw rod sliding block mechanism; the sliding block is provided with a second inclined plane matched with the first inclined plane; The screw drives the second inclined plane to act on the first inclined plane, so that the lower end surface of the mounting plate enters the first sliding groove and acts on the mounting plate. Preferably, the opposite two side surfaces of the mounting plate are respectively provided with a third inclined surface, and the lower end surface of the locking plate is provided with a fourth inclined surface which corresponds to and is matched with the third inclined surface. Preferably, the third inclined plane is provided with a first saw tooth, the fourth inclined plane is provided with a second saw tooth, and the first saw tooth and the second saw tooth are adapted and arrayed along the length direction of the inclined plane where each of the first saw tooth and the second saw tooth is located. Preferably, the front end face of the mounting plate is provided with a positioning plate, the lower beam is provided with a positioning groove, the thickness of the mounting plate is identical to the depth of the positioning groove, and the first saw teeth and the second saw teeth are corresponding when the mounting plate is completely positioned in the positioning groove. Preferably, the opposite lower beams are connected through a first connecting piece, the first sliding groove penetrates through the lower beams and the connecting piece, a second sliding groove which is vertical and communicated with the first sliding groove is further formed in the connecting piece, and the locking plate is slidably arranged in the second sliding groove through a first sliding guide rail. Preferably, a second inclined plane on the sliding block is positioned in the second sliding groove, the lower part of the sliding block is in sliding fit with the second sliding groove through a second sliding guide rail, the upper part of the sliding block is in sliding connection with a third sliding groove through a third sliding guide rail, the third sliding groove is arranged on a second connecting piece, and the second connecting piece is fixedly connected with the opposite lower beam; the central axis of the screw rod is positioned on the symmetrical plane of the second sliding guide rail and the third sliding guide rail. Preferably, the screw is a b