CN213206368U

CN213206368U - Automobile transmission shaft

Info

Publication number: CN213206368U
Application number: CN202022271040.3U
Authority: CN
Inventors: 詹益湖
Original assignee: Heshan Gck Auto Parts Co ltd
Current assignee: Heshan Gck Auto Parts Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-05-14
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an automobile transmission shaft, including automobile transmission shaft body, automobile transmission shaft body includes two pivots, two installation component and two connecting rods, and one side that two installation component kept away from each other is respectively with one side fixed connection that two connecting rods are close to each other, and the equal movable contact of one end that two connecting rods kept away from each other has the ring flange, and one side bottom fixed mounting that the ring flange is close to the connecting rod that corresponds has the kelly, and connecting rod movable sleeve establishes on the kelly that corresponds, and ring flange screw-thread fastening is in the one end of the connecting rod that corresponds. The utility model relates to a rationally, can effectually alleviate the axial vibration impact force that automobile transmission shaft body received, reduce because of the great risk that causes automobile transmission shaft body to damage of vibration impact force, even if use for a long time, also can guarantee the forward effect of alleviating the vibration impact force, and can take off the ring flange from the connecting rod that corresponds and install and use on other connecting rods, application scope is wide, is favorable to the use.

Description

Automobile transmission shaft

Technical Field

The utility model relates to an automobile transmission shaft technical field especially relates to an automobile transmission shaft.

Background

The automobile driving shaft is a mechanism for connecting two shafts with non-coincident axes and transmitting the two shafts at the same angular speed, and the function of the mechanism is to transmit the power of an engine from a speed changer to an automobile wheel, so as to meet the requirement of the outer end corner of a vehicle transmission shaft, and the application number is as follows: 201921890546.3 discloses an automobile drive shaft, which comprises a rotating shaft component and a mounting component; the number of the rotating shaft assemblies is two, the two rotating shaft assemblies are symmetrically distributed and are connected through a protection connecting assembly, the protection connecting assembly comprises a connecting shaft, inserting rods distributed in a circular array are fixed in the middle of the connecting shaft, a rubber anti-collision sleeve is bonded on the outer side of the connecting shaft, the width of the rubber anti-collision sleeve is larger than that of the connecting shaft, the rotating shaft assemblies comprise rotating shafts, and a first connecting seat is connected to the outer side of each rotating shaft; the installation component is located the outer end of pivot subassembly, the offset that probably takes place between the pivot subassembly can be avoided through the existence of protection coupling assembling, the outside of flange is equipped with the mounting groove, the inside of mounting groove is equipped with the rubber shock pad, the thickness of rubber shock pad is greater than the degree of depth of mounting groove, can alleviate the transmission shaft through the rubber shock pad and receive axial vibration, and then the production of noise abatement, and protection coupling assembling outside rubber anticollision cover can effectually avoid the offset that probably takes place between pivot subassembly and the connecting axle, effectively avoid the transmission shaft because of the damage that the offset probably caused, and then effectively guaranteed the practical life of axis of rotation.

In the above-mentioned patent, can alleviate the axial vibration that the transmission shaft received through rubber shock pad, but it is unsatisfactory to alleviate the effect, because rubber shock pad's self elasticity is less, its ageing shrink after long-time the use, then elasticity then can reduce, then can reduce by a wide margin to the buffering dynamics of axial vibration, and then reduce its effect of alleviating the vibration impact force, can not satisfy the user demand, therefore we have proposed an automobile transmission shaft and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automobile transmission shaft.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automobile transmission shaft comprises an automobile transmission shaft body, wherein the automobile transmission shaft body comprises two rotating shafts, two mounting components and two connecting rods, one sides, far away from each other, of the two mounting components are fixedly connected with one sides, close to each other, of the two connecting rods respectively, one ends, far away from each other, of the two connecting rods are movably contacted with a flange plate, clamping rods are fixedly mounted at the bottoms of the sides, close to the corresponding connecting rods, of the flange plates, the connecting rods are movably sleeved on the corresponding clamping rods, the flange plates are fastened at one ends of the corresponding connecting rods in a threaded manner, square holes are formed in one sides, close to the corresponding connecting rods, of the flange plates, moving blocks are movably sleeved in the square holes, one sides, far away from the corresponding connecting rods, of the moving blocks extend out of the flange plates and are fixedly bonded with buffer blocks, U-shaped rods are fixedly mounted between the, two second positioning rods are fixedly arranged on one side of the first positioning rod far away from the corresponding connecting rod, one end of each second positioning rod far away from the corresponding first positioning rod extends out of the U-shaped rod, a moving block is sleeved on the corresponding two second positioning rods in a sliding manner, one side of the moving block close to the corresponding connecting rod is provided with a mounting groove, an elastic air bag is fixedly bonded on the inner wall of one side of the mounting groove far away from the opening of the mounting groove, a moving plate is sleeved in the mounting groove in a sliding manner, one side of the moving plate far away from the corresponding U-shaped rod is fixedly bonded with the elastic air bag, a rectangular block is sleeved on the first positioning rod in a sliding manner, an obliquely arranged connecting rod is hinged between one side of the rectangular block far away from the corresponding connecting rod and the moving plate, the two connecting rods in the same square hole are symmetrically arranged, and the same spring is fixedly arranged, the springs are movably sleeved on the corresponding first positioning rods.

Preferably, two rectangular channels are formed in one side, close to the corresponding connecting rod, of the moving block, the inner wall of each rectangular channel is connected with the outer side of the corresponding second positioning rod in a sliding mode, limiting blocks are fixedly mounted on the inner wall, away from each other, of one side of each rectangular channel on the same moving block, limiting grooves are formed in one side, away from each other, of the two second positioning rods in the same square hole, and the limiting blocks are connected with the corresponding limiting grooves in a sliding mode.

Preferably, the bottom of one side of the connecting rod, which is close to the corresponding flange plate, is provided with a clamping groove, and the inner wall of the clamping groove is in movable contact with the outer side of the corresponding clamping rod.

Preferably, the top of the connecting rod is provided with a thread groove, a fastening bolt is sleeved in the thread groove, the top of the fastening bolt extends to the upper side of the corresponding connecting rod, a thread sleeve is fixedly mounted on one side of the flange plate close to the corresponding connecting rod, and the thread sleeve is sleeved on the corresponding fastening bolt.

Preferably, the top of the rectangular block is provided with a rectangular hole, and the inner wall of the rectangular hole is in sliding connection with the outer side of the corresponding first positioning rod.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the rotating shaft, the mounting assembly, the connecting rods, the flange plates, the fastening bolts, the clamping rods, the square holes, the moving blocks, the buffer blocks, the U-shaped rods, the first positioning rods, the second positioning rods, the rectangular blocks, the springs, the elastic airbags, the moving plates and the connecting rods, when the automobile rotating shaft body is subjected to axial vibration impact force, the buffer blocks are extruded, the extrusion force drives the moving blocks to slide on the two positioning rods in the direction close to the connecting rods through the corresponding buffer blocks, the moving rods drive the corresponding moving plates to extrude the two connecting rods, so that the connecting rods drive the corresponding rectangular blocks to slide on the first positioning rods and compress the springs, when the springs are compressed to the maximum state, the corresponding moving plates are limited to continue to move, at the moment, the moving blocks continue to slide on the corresponding two positioning rods and extrude the elastic airbags to deform, and at the moment, under the elastic force of the springs and the elastic airbags, axial vibration impact force that can effectually alleviate automobile transmission shaft body and receive, when installing on other connecting rods when needs take off the ring flange from the connecting rod that corresponds, the fastening bolt that forward rotation corresponds separates from the thread groove in, draws the ring flange to the direction of keeping away from the connecting rod immediately and drives the kelly that corresponds and take out from the draw-in groove, can install the ring flange on other connecting rods this moment.

The utility model relates to a rationally, can effectually alleviate the axial vibration impact force that automobile transmission shaft body received, reduce because of the great risk that causes automobile transmission shaft body to damage of vibration impact force, even if use for a long time, also can guarantee the forward effect of alleviating the vibration impact force, and can take off the ring flange from the connecting rod that corresponds and install and use on other connecting rods, improve its application scope, be favorable to using.

Drawings

Fig. 1 is a schematic structural view of an automobile transmission shaft according to the present invention;

FIG. 2 is an enlarged cross-sectional view of portion A of FIG. 1;

fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.

In the figure: the mounting structure comprises a rotating shaft 1, a mounting assembly 2, a connecting rod 3, a flange plate 4, a fastening bolt 5, a clamping rod 6, a square hole 7, a moving block 8, a buffer block 9, a U-shaped rod 10, a first positioning rod 11, a second positioning rod 12, a rectangular block 13, a spring 14, an elastic air bag 15, a moving plate 16, a connecting rod 17 and a mounting groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an automobile transmission shaft comprises an automobile transmission shaft body, the automobile transmission shaft body comprises two rotating shafts 1, two mounting assemblies 2 and two connecting rods 3, one side, away from each other, of each mounting assembly 2 is fixedly connected with one side, close to each other, of each connecting rod 3, one end, away from each other, of each connecting rod 3 is movably contacted with a flange plate 4, a clamping rod 6 is fixedly mounted at the bottom of one side, close to the corresponding connecting rod 3, of each flange plate 4, each connecting rod 3 is movably sleeved on the corresponding clamping rod 6, each flange plate 4 is fastened at one end of the corresponding connecting rod 3 in a threaded manner, a square hole 7 is formed in one side, close to the corresponding connecting rod 3, of each flange plate 4, a moving block 8 is movably sleeved in each square hole 7, one side, away from the corresponding connecting rod 3, of each moving block 8 extends out of each flange plate 4 and is fixedly bonded with a, a first locating rod 11 is fixedly arranged between the top inner wall and the bottom inner wall of the U-shaped rod 10, one side of the first locating rod 11 far away from the corresponding connecting rod 3 is fixedly provided with two second locating rods 12, one end of each second locating rod 12 far away from the corresponding first locating rod 11 extends out of the U-shaped rod 10, a moving block 8 is slidably sleeved on the corresponding two second locating rods 12, one side of the moving block 8 close to the corresponding connecting rod 3 is provided with a mounting groove 18, one side of the mounting groove 18 far away from the opening is fixedly bonded with an elastic air bag 15, a moving plate 16 is slidably sleeved in the mounting groove 18, one side of the moving plate 16 far away from the corresponding U-shaped rod 10 is fixedly bonded with the elastic air bag 15, a rectangular block 13 is slidably sleeved on the first locating rod 11, a connecting rod 17 which is obliquely arranged is hinged between one side of the rectangular block 13 far away from the corresponding connecting rod 3 and the moving plate 16, one side that two rectangle pieces 13 that lie in same U-shaped pole 10 kept away from each other respectively with two second locating levers 12 that correspond between the one side that is close to each other fixed mounting have same spring 14, spring 14 movable sleeve is established on corresponding first locating lever 11, the utility model relates to a rationally, can effectually alleviate the axial vibration impact force that automobile transmission shaft body received, reduce because of the great risk that causes automobile transmission shaft body to damage of vibration impact force, even if use for a long time, also can guarantee the forward effect of alleviating the vibration impact force, and can take off ring flange 4 from the connecting rod 3 that corresponds and install and use on other connecting rods 3, improve its application scope, be favorable to using.

In the utility model, one side of the moving block 8 close to the corresponding connecting rod 3 is provided with two rectangular grooves, the inner wall of the rectangular groove is connected with the outer side of the corresponding second positioning rod 12 in a sliding way, the inner wall of one side of the two rectangular grooves on the same moving block 8 away from each other is fixedly provided with a stopper, one side of the two second positioning rods 12 in the same square hole 7 away from each other is provided with a limiting groove, the stopper is connected with the corresponding limiting groove in a sliding way, the bottom of one side of the connecting rod 3 close to the corresponding flange plate 4 is provided with a clamping groove, the inner wall of the clamping groove is in movable contact with the outer side of the corresponding clamping rod 6, the top of the connecting rod 3 is provided with a threaded groove, the threaded groove is sleeved with a fastening bolt 5, the top of the fastening bolt 5 extends to the upper part of the corresponding connecting rod 3, one side of the flange plate 4 close to the, the rectangular hole has been seted up at the top of rectangular block 13, the outside sliding connection of the inner wall of rectangular hole and the first locating lever 11 that corresponds, the utility model relates to a rationally, can effectually alleviate the axial vibration impact force that the automobile transmission shaft body received, reduce because of the great risk that causes automobile transmission shaft body to damage of vibration impact force, even if use for a long time, also can guarantee the forward effect of alleviating the vibration impact force, and can take off flange plate 4 from the connecting rod 3 that corresponds and install and use on other connecting rods 3, improve its application scope, be favorable to using.

The working principle is as follows: when the automobile rotating shaft body is subjected to axial vibration impact force, the vibration impact force extrudes the corresponding buffer block 9, the extruding force drives the moving block 8 to move towards the direction close to the connecting rod 3 through the corresponding buffer block 9, the moving block 8 slides on the corresponding two positioning rods 12, the moving rod 8 drives the corresponding moving plate 16 to extrude the two connecting rods 17, so that the two connecting rods 17 move and rotate, the connecting rods 17 drive the corresponding rectangular blocks 13 to slide on the first positioning rods 11, the two rectangular blocks 13 positioned in the same U-shaped rod 10 move towards the mutually far direction and respectively compress the corresponding springs 14, when the springs 14 are compressed to the maximum state, the rectangular blocks 13 are limited to continue to move, further the corresponding moving plate 16 is limited to continue to move, at the moment, the moving block 8 continues to slide on the corresponding two positioning rods 12 and extrudes the elastic air bags 15, the elastic air bag 15 is deformed, at the moment, under the action of the elasticity of the spring 14 and the elasticity of the corresponding elastic air bag 15, the axial vibration impact force on the automobile transmission shaft body can be effectively relieved, the risk of damage to the automobile transmission shaft body due to large vibration impact force is reduced, and the effect of relieving the vibration impact force in the forward direction can be ensured even if the automobile transmission shaft body is used for a long time;

when the flange plate 4 is required to be installed on other connecting rods 3 when being taken down from the corresponding connecting rod 3, the corresponding fastening bolt 5 is rotated in the forward direction, the fastening bolt 5 is gradually separated from the corresponding thread groove while rotating, and then the fixation of the flange plate 4 is removed, the flange plate 4 is pulled in the direction far away from the connecting rod 3, the flange plate 4 drives the corresponding clamping rod 6 to be taken out from the clamping groove, and then the separation of the flange plate 4 and the corresponding connecting rod 3 is completed, at the moment, the flange plate 4 can be installed on other connecting rods 3, and the application range of the flange plate is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automobile transmission shaft, includes automobile transmission shaft body, automobile transmission shaft body includes two pivot (1), two installation component (2) and two connecting rod (3), and one side that two installation component (2) kept away from each other is respectively with one side fixed connection that two connecting rod (3) are close to each other, and its characterized in that, the equal movable contact of one end that two connecting rod (3) were kept away from each other has ring flange (4), and one side bottom fixed mounting that ring flange (4) are close to corresponding connecting rod (3) has kelly (6), and connecting rod (3) movable sleeve is established on corresponding kelly (6), and the one end of ring flange (4) screw-thread fastening at corresponding connecting rod (3), square hole (7) have been seted up to one side that ring flange (4) are close to corresponding connecting rod (3), and movable sleeve is equipped with movable block (8) in square hole (7), and one side that corresponding connecting rod (3) were kept away from to movable block (8) extends to ring A block (9), a U-shaped rod (10) is fixedly arranged between the top inner wall and the bottom inner wall of the square hole (7), a first positioning rod (11) is fixedly arranged between the top inner wall and the bottom inner wall of the U-shaped rod (10), two second positioning rods (12) are fixedly arranged on one sides of the first positioning rods (11) far away from the corresponding connecting rods (3), one ends of the second positioning rods (12) far away from the corresponding first positioning rods (11) extend out of the U-shaped rod (10), a moving block (8) is slidably sleeved on the two corresponding second positioning rods (12), one side of the moving block (8) close to the corresponding connecting rods (3) is provided with a mounting groove (18), an elastic air bag moving plate (15) is fixedly bonded on the inner wall of one side of the mounting groove (18) far away from the opening of the mounting groove, an inner sliding sleeve is provided with an inner sliding sleeve (16), one side of the moving plate (16) far away from the corresponding U-, sliding sleeve is equipped with rectangular block (13) on first locating lever (11), it has connecting rod (17) that the slope set up to articulate between one side that corresponding connecting rod (3) were kept away from in rectangular block (13) and movable plate (16), two connecting rod (17) symmetries that are located same square hole (7) set up, one side that two rectangular block (13) that are located same U-shaped pole (10) kept away from each other respectively with two second locating levers (12) that correspond is close to each other between one side fixed mounting have same spring (14), spring (14) movable sleeve is established on corresponding first locating lever (11).

2. The transmission shaft of automobile as claimed in claim 1, wherein two rectangular grooves are formed on one side of the moving block (8) close to the corresponding connecting rod (3), the inner walls of the rectangular grooves are slidably connected with the outer sides of the corresponding second positioning rods (12), a limiting block is fixedly mounted on the inner wall of one side, away from each other, of the two rectangular grooves on the same moving block (8), a limiting groove is formed on one side, away from each other, of the two second positioning rods (12) in the same square hole (7), and the limiting block is slidably connected with the corresponding limiting groove.

3. The automobile transmission shaft according to claim 1, wherein a clamping groove is formed in the bottom of one side, close to the corresponding flange (4), of the connecting rod (3), and the inner wall of the clamping groove is in movable contact with the outer side of the corresponding clamping rod (6).

4. The automobile transmission shaft according to claim 1, wherein a thread groove is formed in the top of each connecting rod (3), a fastening bolt (5) is sleeved in the thread groove, the top of each fastening bolt (5) extends to the upper side of the corresponding connecting rod (3), a thread sleeve is fixedly installed on one side, close to the corresponding connecting rod (3), of each flange plate (4), and the thread sleeve is sleeved on the corresponding fastening bolt (5).

5. The automotive transmission shaft according to claim 1, characterized in that the top of the rectangular block (13) is provided with a rectangular hole, and the inner wall of the rectangular hole is slidably connected with the outer side of the corresponding first positioning rod (11).