Crankshaft and crankshaft connecting rod assembly

Abstract

The utility model belongs to the technical field of crankshaft connecting rods, and discloses a crankshaft and a crankshaft connecting rod assembly, which comprise two cranks, the crankshaft is connected between the two cranks, the outer wall of the crankshaft is sleeved with a lower shaft sleeve and an upper shaft sleeve, the top of the upper shaft sleeve is connected with a connecting block, and the top of the connecting block is provided with a piston; by means of the structure of the telescopic assembly, when the height of the piston needs to be adjusted, the screw rod is screwed to enable the screw rod to rotate through the bearing, and due to the fact that the screw rod is in threaded connection with the upper shaft sleeve, the height of the piston can be adjusted. The upper shaft sleeve moves upwards in the first through groove through the screw rod, so that the position of the piston is rapidly adjusted, the length of the connecting rod is rapidly adjusted, the height of the piston is rapidly adjusted, the crank connecting rod mechanism can be conveniently matched with various motor vehicles, and the limitation of the device is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of crankshaft connecting rods, and particularly relates to a crankshaft and a crankshaft connecting rod assembly. Background Technique

[0002] The crankshaft connecting rod mechanism is a main component of a motor vehicle. Its main function is to convert the reciprocating motion of the piston into the rotational motion of the crankshaft, and at the same time convert the force acting on the piston into the torque output by the crankshaft to drive the vehicle wheels to rotate.

[0003] The length of the connecting rod part of the existing crankshaft connecting rod mechanism is basically fixed, and it is difficult to quickly adjust the length of its connecting rod, resulting in the difficulty of the crank connecting rod mechanism to adapt to a variety of motor vehicles, increasing the limitations of the device. In addition, when the existing crankshaft connecting rod mechanism needs to separate the bushing from the crankshaft, it usually requires manually screwing bolts and nuts. This disassembly and assembly method greatly reduces the disassembly and assembly efficiency of the device, is not conducive to the use of operators, and reduces the convenience of the device. Content of the Utility Model

[0004] The purpose of the utility model is to provide a crankshaft and a crankshaft connecting rod assembly to solve the problems that the existing crankshaft connecting rod is difficult to quickly adjust the length of its connecting rod and difficult to quickly separate the bushing from the crankshaft.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: A crankshaft and a crankshaft connecting rod assembly, including: a crank, a crankshaft is connected between the two cranks, a lower bushing and an upper bushing are sleeved on the outer wall of the crankshaft, a connecting block is connected to the top of the upper bushing, and a piston is installed on the top of the connecting block; a telescopic assembly, the telescopic assembly is arranged between the upper bushing and the connecting block, the telescopic assembly includes a first through groove and a second through groove, the first through groove and the second through groove are respectively opened through the upper bushing and the connecting block, the upper bushing is sleeved inside the second through groove of the connecting block through the first through groove, the top side of the inner wall of the second through groove is rotatably connected to a screw rod through a bearing, one end of the screw rod penetrates through the top of the upper bushing and the bottom of the connecting block, and the screw rod is threadedly connected with the upper bushing.

[0006] Preferably, a disassembly and assembly assembly is arranged between the lower bushing and the upper bushing. The disassembly and assembly assembly includes an installation groove, the installation groove is opened on one side of the lower bushing and the upper bushing, the lower bushing and the upper bushing are rotatably connected through a hinge, a rod member is connected between the two sides of the inner wall of the installation groove, a rotating rod is sleeved on the outer wall of the rod member, and a rubber clamping block is connected to one side of the rotating rod.

[0007] Preferably, a torsion plate is connected to one end of the screw rod.

[0008] Preferably, an annular plate is provided on the outer wall of the crankshaft, and an annular groove matching the annular plate is provided on the inner walls of the lower sleeve and the upper sleeve.

[0009] Preferably, scale lines are provided on one side of the outer wall of the connecting block.

[0010] Preferably, the bottom of the rubber block is connected to a pull rod, and the surface of the pull rod is provided with convex patterns.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model sets a telescopic component. When the height of the piston needs to be adjusted, the screw is rotated to rotate through the bearing. Due to the threaded connection between the screw and the upper sleeve, the upper sleeve moves upward in the first through groove through the screw, so that the position of the piston can be quickly adjusted, and the length of the connecting rod can be quickly adjusted, so that the height of the piston can be quickly adjusted, which makes it easier for the crank-connecting rod mechanism to adapt to a variety of motor vehicles and reduces the limitations of the device.

[0013] (2) The utility model provides a disassembly and assembly component. When it is necessary to separate the lower sleeve and the upper sleeve from the crankshaft, the rubber clamp is pulled outward, so that the rubber clamp drives the rod to rotate, thereby moving the rubber clamp outward, so that the rubber clamp is disengaged from the gap at the bottom of the lower sleeve, and the limit between the lower sleeve and the upper sleeve is released, thereby realizing rapid separation of the sleeve and the crankshaft, greatly improving the disassembly and assembly efficiency of the device, and at the same time being convenient for operators to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a left side cross-sectional view of the utility model;

[0016] Figure 3 for Figure 1 A magnified image of point A;

[0017] Figure 4 This is the appearance diagram of the utility model;

[0018] In the figure: 1, crank; 2, crankshaft; 3, lower sleeve; 4, upper sleeve; 5, connecting block; 6, piston; 7, first through groove; 8, second through groove; 9, screw; 10, torsion plate; 11, annular plate; 12, annular groove; 13, mounting groove; 14, rod; 15, rotating rod; 16, rubber block; 17, pull rod; 18, convex pattern; 19, scale line. DETAILED DESCRIPTION

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Referring to Figures 1 - 4 As shown, the present invention provides the following technical solution: A crankshaft and a crankshaft connecting rod assembly, including: a crank 1, a crankshaft 2 is connected between two cranks 1, a lower shaft sleeve 3 and an upper shaft sleeve 4 are sleeved on the outer wall of the crankshaft 2, a connecting block 5 is connected to the top of the upper shaft sleeve 4, and a piston 6 is installed on the top of the connecting block 5; a telescopic assembly, the telescopic assembly is arranged between the upper shaft sleeve 4 and the connecting block 5, the telescopic assembly includes a first through groove 7 and a second through groove 8, the first through groove 7 and the second through groove 8 are respectively penetrated and opened on the upper shaft sleeve 4 and the connecting block 5, the upper shaft sleeve 4 is sleeved inside the second through groove 8 of the connecting block 5 through the first through groove 7, and the top side of the inner wall of the second through groove 8 is rotatably connected to a screw rod 9 through a bearing. One end of the screw rod 9 penetrates through the top of the upper shaft sleeve 4 and the bottom of the connecting block 5, and the screw rod 9 is threadedly connected to the upper shaft sleeve 4.

[0021] Through the above technical solution:

[0022] Specifically, when it is necessary to adjust the height of the piston 6, the screw rod 9 is rotated, so that the screw rod 9 rotates through the bearing. Since the screw rod 9 is threadedly connected to the upper shaft sleeve 3, the upper shaft sleeve 3 moves upward in the first through groove 7 through the screw rod 15, thereby quickly adjusting the position of the piston 6, and thus completing the adjustment of the height of the piston 6.

[0023] In the present invention, a further implementation manner is provided. Referring to Figures 1 - 4 , a disassembly and assembly component is arranged between the lower shaft sleeve 3 and the upper shaft sleeve 4. The disassembly and assembly component includes an installation groove 13, the installation groove 13 is opened on one side of the lower shaft sleeve 3 and the upper shaft sleeve 4, the lower shaft sleeve 3 and the upper shaft sleeve 4 are rotatably connected through a hinge, a rod member 14 is connected between the two sides of the inner wall of the installation groove 13, a rotating rod 15 is sleeved on the outer wall of the rod member 14, and a rubber clamping block 16 is connected to one side of the rotating rod 15.

[0024] Through the above technical solution:

[0025] Specifically, when it is necessary to separate the lower shaft sleeve 3 and the upper shaft sleeve 4 from the crankshaft 2, the rubber clamping block 16 is pulled outward, so that the rubber clamping block 16 drives the rod member 14 to rotate, so that the rubber clamping block 16 moves outward, so that the rubber clamping block 16 breaks away from the gap at the bottom of the lower shaft sleeve 3, so that the lower shaft sleeve 3 and the upper shaft sleeve 4 are released from the limit, and thus the lower shaft sleeve 3 and the upper shaft sleeve 4 can be quickly disassembled and assembled.

[0026] Reference Figures 1 - 4 Figures 1 - 4 One end of the screw rod 9 is connected with a torsion plate 10. An annular plate 11 is arranged on the outer wall of the crankshaft 2. Annular grooves 12 which are matched with the annular plate 11 are formed in the inner walls of the lower shaft sleeve 3 and the upper shaft sleeve 4. A scale line 19 is arranged on one side of the outer wall of the connecting block 5. The bottom of the rubber clamping block 16 is connected with a pull rod 17, and convex lines 18 are arranged on the surface of the pull rod 17.

[0027] Through the above technical solution:

[0028] Specifically, the torsion plate 10 is arranged to facilitate screwing the screw rod 9. The annular plate 11 and the annular grooves 12 are arranged to prevent the lower shaft sleeve 3 and the upper shaft sleeve 4 from moving on the crankshaft 2. The scale line 19 is arranged to facilitate understanding the rising height of the piston 6. The convex lines 18 are arranged on the surface of the pull rod 17 to facilitate pulling the rubber clamping block 16 outwards.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A crankshaft and a crankshaft connecting rod assembly, characterized in that, Including: A crank (1), a crankshaft (2) is connected between the two cranks (1), a lower shaft sleeve (3) and an upper shaft sleeve (4) are sleeved on the outer wall of the crankshaft (2), a connecting block (5) is connected to the top of the upper shaft sleeve (4), and a piston (6) is installed on the top of the connecting block (5); A telescopic assembly, the telescopic assembly is arranged between the upper shaft sleeve (4) and the connecting block (5), the telescopic assembly includes a first through groove (7) and a second through groove (8), the first through groove (7) and the second through groove (8) are respectively penetrated and opened on the upper shaft sleeve (4) and the connecting block (5), the upper shaft sleeve (4) is sleeved inside the second through groove (8) of the connecting block (5) through the first through groove (7), the top side of the inner wall of the second through groove (8) is rotatably connected to a screw rod (9) through a bearing, one end of the screw rod (9) penetrates through the top of the upper shaft sleeve (4) and the bottom of the connecting block (5), and the screw rod (9) is threadedly connected with the upper shaft sleeve (4).

2. The crankshaft and crankshaft connecting rod assembly according to claim 1, characterized in that: A disassembly and assembly assembly is arranged between the lower shaft sleeve (3) and the upper shaft sleeve (4), the disassembly and assembly assembly includes an installation groove (13), the installation groove (13) is opened on one side of the lower shaft sleeve (3) and the upper shaft sleeve (4), the lower shaft sleeve (3) and the upper shaft sleeve (4) are rotatably connected through a hinge, a rod member (14) is connected between the two sides of the inner wall of the installation groove (13), a rotating rod (15) is sleeved on the outer wall of the rod member (14), and a rubber clamping block (16) is connected to one side of the rotating rod (15).

3. A crankshaft and crankshaft connecting rod assembly according to claim 1, characterized in that: One end of the screw rod (9) is connected with a torsion plate (10).

4. A crankshaft and crankshaft connecting rod assembly according to claim 1, characterized in that: An annular plate (11) is arranged on the outer wall of the crankshaft (2), and annular grooves (12) which are mutually matched with the annular plate (11) are respectively opened on the inner walls of the lower shaft sleeve (3) and the upper shaft sleeve (4).

5. A crankshaft and crankshaft connecting rod assembly according to claim 2, characterized in that: A scale line (19) is arranged on one side of the outer wall of the connecting block (5).

6. The crankshaft and crankshaft connecting rod assembly according to claim 2, characterized in that: A pull rod (17) is connected to the bottom of the rubber clamping block (16), and convex lines (18) are arranged on the surface of the pull rod (17).

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