Gearbox system shaft of fuel vehicle

Abstract

The utility model discloses a gearbox system shaft of a fuel vehicle, which belongs to the technical field of shaft structures and comprises a threaded rod, a first transmission rod and a second transmission rod, two ends of the threaded rod are fixedly connected with connecting blocks, a limiting groove is arranged in the threaded rod, one end of the first transmission rod is fixedly connected with a first connecting frame, and the other end of the first transmission rod is fixedly connected with a second connecting frame. And the interior of the first connecting frame is fixedly connected with a limiting rod matched with the limiting groove, the other end of the limiting rod is fixedly connected with a fixing block, first inserting grooves are formed in the two sides of the second transmission rod correspondingly, and fixing assemblies are inserted into the first inserting grooves. According to the gearbox system shaft, the fixing assembly is arranged, relative displacement among all parts in the transmission process is effectively prevented, normal work of the gearbox system shaft is guaranteed, the reliability and stability of the whole gearbox system shaft are improved, the elastic washer is arranged, the fixing nut is prevented from falling off due to vibration, and the reliability of structural connection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shaft structure, especially to a fuel -oil car gearbox system shaft. BACKGROUND

[0002] With the continuous development of automobile industry, the performance of gearbox as the core component of automobile transmission system directly influences the driving experience, fuel economy and reliability of automobile.

[0003] The shaft of traditional gearbox usually adopts integral structure, when the shafting appears damage, the whole shaft needs to be replaced, increases the maintenance cost, not only causes the waste of resources, also brings the big economic burden to the user, in order to solve above problem, the utility model provides a fuel -oil car gearbox system shaft. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a fuel -oil car gearbox system shaft.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A fuel -oil car gearbox system shaft, including threaded rod, first transmission rod and second transmission rod, both ends of the threaded rod are fixedly connected with connecting block, the inside of threaded rod is equipped with limit slot, one end of first transmission rod is fixedly connected with first connecting frame, the inside of first connecting frame is fixedly connected with the limit rod that is suitable for limit slot, the other end of limit rod is fixedly connected with fixed block, the both sides of second transmission rod are equipped with first insertion slot, the inside of first insertion slot is inserted with fixed assembly.

[0007] As a further improvement of the utility model, the fixed assembly includes the fixed rod inserted in the inside of first insertion slot, one end of fixed rod is fixedly connected with limit block, the other end of fixed rod is fixedly connected with fixed bolt.

[0008] As a further improvement of the utility model, the surface of fixed bolt is sleeved with fixed nut, one side of fixed nut is fixedly connected with elastic washer.

[0009] As a further improvement of the utility model, one end of second transmission rod is fixedly connected with second connecting frame, the inside of second connecting frame is equipped with the fixed slot that is suitable for fixed block, and the fixed slot is connected with first insertion slot.

[0010] As a further improvement of the utility model, one side of fixed block is equipped with the second insertion slot that is suitable for fixed rod.

[0011] As a further improvement of the utility model, the first connecting frame and the second connecting frame are internally fixedly connected with buffer pads.

[0012] The utility model discloses the beneficial effect:

[0013] Through setting up fixed component, when using, through the cooperation of limiting rod and limiting groove, the initial accurate positioning between first transmission rod and threaded rod is realized, and the accurate relative position in axial and radial direction of both is ensured, and the insertion of fixed block and fixed groove enhances the connection compactness between first transmission rod, threaded rod and second transmission rod, makes three form a more stable integral frame, effectively prevents the relative displacement between each component during transmission, finally, the fixing rod passes through the second insertion slot, and both ends are fixed through the cooperation of fixed bolt, fixed nut and limiting block, can bear greater tension and shearing force, ensures that the connection between each component does not loosen under complex working conditions, guarantees the normal work of gearbox system shaft, improves the reliability and stability of entire gearbox system shaft.

[0014] Through setting up elastic washer, when using, elastic washer increases the friction of fixed nut, and the fixed nut can be loosened due to vibration and other factors during the working process of gearbox system shaft, and the existence of elastic washer can effectively resist this loosening trend, prevents the fixed nut from falling off due to vibration, improves the reliability of structural connection, prolongs the service life of gearbox system shaft.

[0015] Through setting up buffer pad, when using, the buffer pad arranged in the first connecting frame and the second connecting frame can play the role of buffering and damping during transmission, when the gearbox system shaft is impacted or vibrated during work, the buffer pad can absorb part of energy, reduces the influence of vibration on each component, reduces the wear and fatigue damage of component, thereby improving the stability and reliability of transmission system.

[0016] In conclusion, the utility model has remarkable beneficial effect in structural connection stability, installation convenience, transmission performance and protection etc., can effectively improve the working performance and service life of gearbox system. ACCURACY

[0017] Figure 1 The utility model provides a kind of fuel car gearbox system shaft structure schematic view.

[0018] Figure 2 The utility model provides a kind of fuel car gearbox system shaft disassembly structure schematic view.

[0019] Figure 3 The utility model provides a kind of fuel car gearbox system shaft first transmission rod structure schematic view.

[0020] Figure 4 The utility model provides a kind of structural diagram of the fixed assembly of fuel car gearbox system shaft.

[0021] In the drawing: 1 threaded rod, 2 first transmission rod, 3 second transmission rod, 4 connecting block, 5 limiting groove, 6 first connecting frame, 7 limiting rod, 8 fixed block, 9 first insertion slot, 10 fixed rod, 11 limiting block, 12 fixed bolt, 13 fixed nut, 14 elastic washer, 15 second connecting frame, 16 fixed groove, 17 second insertion slot, 18 buffer pad, 19 bearing. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Reference Figures 1-4 A kind of fuel car gearbox system shaft, including threaded rod 1, first transmission rod 2 and second transmission rod 3, the both ends of threaded rod 1 are fixedly connected with connecting block 4, the inside of threaded rod 1 is provided with limiting groove 5, one end of first transmission rod 2 is fixedly connected with first connecting frame 6, the inside of first connecting frame 6 is fixedly connected with limiting rod 7 matched with limiting groove 5, the other end of limiting rod 7 is fixedly connected with fixed block 8, the both sides of second transmission rod 3 are provided with first insertion slot 9, and fixed assembly is inserted in the inside of first insertion slot 9.

[0024] In the utility model, fixed assembly includes fixed rod 10 inserted in the inside of first insertion slot 9, the function of fixed rod 10 is to pass through the first insertion slot 9 of second transmission rod 3 and the second insertion slot 17 of fixed block 8, to connect and fix second transmission rod 3 with fixed block 8, guarantee the stability of entire structure, one end of fixed rod 10 is fixedly connected with limiting block 11, the other end of fixed rod 10 is fixedly connected with fixed bolt 12, fixed bolt 12 cooperates with fixed nut 13, for firmly fixed fixed rod 10 on second transmission rod 3, realize reliable connection between each component, the surface of fixed bolt 12 is sleeved with fixed nut 13, one side of fixed nut 13 is fixedly connected with elastic washer 14, elastic washer 14 can increase the friction between fixed nut 13 and fixed bolt 12, prevent fixed nut 13 from loosening under vibration etc., play the function of anti-loosening.

[0025] One end of the second transmission rod 3 is fixedly connected with a second connecting frame 15, the second connecting frame 15 is used for cooperating with the first connecting frame 6 of the first transmission rod 2, and the connecting block 4 at the two ends of the threaded rod 1 is collectively wrapped, so that the connection tightness between the components and the stability of the overall structure are enhanced, a fixing groove 16 that is matched with the fixing block 8 is formed in the middle of the second connecting frame 15, the fixing groove 16 can accurately accommodate the fixing block 8, so that good positioning and connection are formed between the fixing block 8 and the second connecting frame 15, the accuracy of the whole transmission system is ensured, the fixing groove 16 is connected with the first insertion groove 9, a second insertion groove 17 that is matched with the fixing rod 10 is formed in one side of the fixing block 8, the second insertion groove 17 provides an installation position for the fixing rod 10, so that the fixing rod 10 can accurately pass through and fix the fixing block 8 and the second transmission rod 3, the inside of the first connecting frame 6 and the second connecting frame 15 is fixedly connected with a buffer pad 18, the other end of the first transmission rod 2 is fixedly connected with a bearing 19, the buffer pad 18 can absorb vibration and impact during transmission, reduce the wear between the components, and improve the stability and reliability of the transmission system.

[0026] In use, first, the limiting rod 7 of the first transmission rod 2 is inserted into the limiting groove 5 of the threaded rod 1, after the limiting rod 7 is completely inserted, the first connecting frame 6 of the first transmission rod 2 will stably wrap the connecting block 4 at one end of the threaded rod 1, realizing preliminary positioning and connection, then the fixing groove 16 of the second transmission rod 3 is aligned with the fixing block 8 at the other end of the limiting rod 7, the fixing block 8 is inserted into the fixing groove 16, after complete insertion, the second connecting frame 15 of the second transmission rod 3 will also wrap the connecting block 4 at the other end of the threaded rod 1, at this time, the second insertion groove 17 on the fixing block 8 will be accurately aligned with the first insertion groove 9 of the second transmission rod 3, finally, the fixing rod 10 is inserted from the first insertion groove 9 on one side of the second transmission rod 3, passes through the second insertion groove 17 of the fixing block 8, and then passes out from the first insertion groove 9 on the other side of the second transmission rod 3, then the fixing nut 13 is threadedly sleeved on the fixing bolt 12 at one end of the fixing rod 10, in the process of tightening the fixing nut 13, the elastic washer 14 on one side of the fixing nut 13 can increase the friction between the fixing nut 13 and the fixing bolt 12, effectively avoiding the fixing nut 13 from falling off due to vibration in subsequent use, the fixing nut 13 is continuously tightened until the fixing nut 13 cooperates with the limiting block 11 at the other end of the fixing rod 10, so that the fixing rod 10 is fixedly arranged in the second transmission rod 3, thereby completing the installation of the threaded rod 1, the first transmission rod 2 and the second transmission rod 3.

[0027] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A fuel vehicle gearbox system shaft comprising a threaded rod (1), a first transmission rod (2) and a second transmission rod (3), characterized in that, Both ends of the threaded rod (1) are fixedly connected with connecting blocks (4), the inside of the threaded rod (1) is provided with a limiting groove (5), one end of the first transmission rod (2) is fixedly connected with a first connecting frame (6), the inside of the first connecting frame (6) is fixedly connected with a limiting rod (7) matched with the limiting groove (5), the other end of the limiting rod (7) is fixedly connected with a fixed block (8), both sides of the second transmission rod (3) are provided with first insertion slots (9), and the inside of the first insertion slot (9) is inserted with a fixed assembly.

2. A fuel vehicle gearbox system shaft according to claim 1, wherein, The fixed assembly comprises a fixed rod (10) inserted in the first insertion slot (9), one end of the fixed rod (10) is fixedly connected with a limiting block (11), and the other end of the fixed rod (10) is fixedly connected with a fixed bolt (12).

3. A fuel vehicle gearbox system shaft according to claim 2, wherein, The surface of the fixed bolt (12) is sleeved with a fixed nut (13), one side of the fixed nut (13) is fixedly connected with an elastic washer (14).

4. The fuel vehicle gearbox system shaft according to claim 1, wherein, One end of the second transmission rod (3) is fixedly connected with a second connecting frame (15), the middle end of the inside of the second connecting frame (15) is provided with a fixed groove (16) matched with the fixed block (8), and the fixed groove (16) is connected with the first insertion slot (9).

5. A fuel vehicle gearbox system shaft as claimed in claim 2, wherein, One side of the fixed block (8) is provided with a second insertion slot (17) matched with the fixed rod (10).

6. A fuel vehicle gearbox system shaft as claimed in claim 1, wherein, The inside of the first connecting frame (6) and the second connecting frame (15) is fixedly connected with a buffer pad (18), and the other end of the first transmission rod (2) is fixedly connected with a bearing (19).

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