CN210715630U

CN210715630U - Novel constant velocity universal joint transmission shaft

Info

Publication number: CN210715630U
Application number: CN201921542394.8U
Authority: CN
Inventors: 孙玲
Original assignee: Kale Auto Parts Ningbo Co Ltd
Current assignee: Kale Auto Parts Ningbo Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-09
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a novel constant velocity cardan drive shaft, concretely relates to transmission shaft field, including the bell jar, the internally mounted of bell jar has buffer gear, buffer gear includes the casing, casing fixed mounting is in the outside of bell jar, the inside of bell jar is equipped with the cambered surface spacing groove, cambered surface spacing groove fixed connection is at the inner chamber of bell jar, the movable groove has been seted up to the inside of cambered surface spacing groove, the inner chamber lateral wall fixed mounting of bell jar has the spout, the inner chamber sliding connection of spout has the sliding block, the quantity of sliding block sets up to a plurality ofly, equal fixedly connected with cambered surface buffer board between per two relative sliding blocks. The utility model discloses a set up buffer gear, steel ball sliding connection is at the inner chamber in spacing hole, and spring push rod promotes the direction motion of corresponding semicircle extrusion piece to the steel ball, and the steel ball reaches the effect of bradyseism when rotating, has solved the relatively poor problem of steel ball bradyseism nature.

Description

Novel constant velocity universal joint transmission shaft

Technical Field

The utility model relates to a transmission shaft technical field, more specifically say, the utility model relates to a novel constant velocity universal joint transmission shaft.

Background

The universal joint is a joint part of a universal transmission device of an automobile driving system, is combined with a transmission shaft and is called a universal joint transmission device, and the universal joint transmission device is arranged between an output shaft of a transmission and an input shaft of a main speed reducer of a drive axle on a vehicle driven by a rear wheel of a front engine; the front engine front wheel driven vehicle omits a transmission shaft, and the universal joint is arranged between a front axle half shaft which is responsible for driving and steering and wheels.

Because the universal joint transmission shaft needs to rotate frequently, the buffering performance is too poor in the rotating process, abrasion is easy to generate, and therefore the service life of the universal joint transmission shaft is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a novel constant velocity universal joint transmission shaft, through having set up buffer gear, steel ball sliding connection is at the inner chamber in spacing hole, and spring push rod promotes corresponding semicircle extrusion piece to the direction motion of steel ball, and the steel ball reaches the effect of bradyseism when rotating to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel constant velocity universal joint transmission shaft comprises a bell-shaped cover, wherein a buffer mechanism is arranged inside the bell-shaped cover;

buffer gear includes the casing, casing fixed mounting is in the outside of bell-shaped cover, the inside of bell-shaped cover is equipped with the cambered surface spacing groove, cambered surface spacing groove fixed connection is in the inner chamber of bell-shaped cover, the movable groove has been seted up to the inside of cambered surface spacing groove, the inner chamber lateral wall fixed mounting of bell-shaped cover has the spout, the inner chamber sliding connection of spout has the sliding block, the quantity of sliding block sets up to a plurality ofly, equal fixedly connected with cambered surface buffer board between per two relative sliding blocks, cambered surface buffer board sliding connection is at the inner chamber of corresponding movable groove, one side fixedly connected with semicircle extrusion piece of corresponding cambered surface spacing groove is being kept away from to the cambered surface buffer board, the both sides of semicircle extrusion piece all are equipped with spring push rod, spring push rod fixed connection is at the.

In a preferred embodiment, a first shaft is fixedly mounted to one side of the bell housing, and a fixed disk is fixedly mounted to the bell housing on a side remote from the first shaft.

In a preferred embodiment, a retainer is mounted in an inner cavity of the bell-shaped cover, the retainer is movably connected to an inner cavity of the cambered surface limiting groove, the retainer is arranged between the first shaft rod and the fixed disk, and a plurality of limiting holes are formed in the retainer.

In a preferred embodiment, the inner cavity of the limiting hole is clamped with a steel ball, the inner cavity of the retainer is clamped with a star-shaped sleeve, and the steel ball is rotatably connected with the inner cavity of the corresponding star-shaped sleeve.

In a preferred embodiment, a second shaft rod is inserted into the inner cavity of the inner sleeve, a first insertion groove is formed in the inner cavity of the inner sleeve, and the second shaft rod is clamped in the inner cavity of the corresponding first insertion groove.

In a preferred embodiment, a second insertion groove is fixedly connected to one side of the fixed disc away from the steel ball, an arc-shaped limiting rod is hinged to the inner cavity of the shell, and the arc-shaped limiting rod is inserted into the inner cavity of the corresponding second insertion groove.

In a preferred embodiment, the inner cavity of the shell is provided with a spring limiting plate, the spring limiting plate is attached to the outer wall of the corresponding arc-shaped limiting rod, and the outer wall of the circumferential side of the shell is fixedly connected with a sliding rod.

In a preferred embodiment, a sliding box is slidably connected to the outside of the sliding rod, and magnetic blocks are arranged on one sides of the sliding box and the sliding rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a buffer gear has been set up, the steel ball sliding connection is at the inner chamber of spacing hole, the second shaft lever utilizes the inner chamber of first inserting groove joint at the star cover, install the holder that the joint was accomplished at the inner chamber of cambered surface spacing groove again, it is whole to rotate the bell-shaped cover, first shaft lever drives the bell-shaped cover and rotates simultaneously, the bell-shaped cover is connected with the second shaft lever transmission, make the second shaft lever can normal operation, the both sides of semicircle extrusion piece all are equipped with spring push rod, spring push rod promotes the direction motion of corresponding semicircle extrusion piece to the steel ball, make the semicircle extrusion piece drive the cambered surface buffer board and move to the direction of steel ball simultaneously, the steel ball reaches the effect of bradyseism when rotating, compared with the prior art, there is the progress that promotes the steel ball cushioning, greatly promoted the utility model discloses;

2. the utility model discloses a curved limiting rod has been set up, because the steel ball belongs to spare part commonly used, often damage easily, and difficult change, the slide bar is pegged graft at the inner chamber of fixed disk, the spring limiting plate promotes more firm of curved limiting rod joint, the slip case slides to curved limiting rod's outside, reach spacing effect to curved limiting rod, the slip case all is equipped with the magnetic path with one side of slide bar, and two adjacent magnetic path inter attractions, thereby further promote holistic fixed effect, compare with prior art, there is the dismouting of being convenient for and fixed the utility model discloses a progress, the convenience of dismouting process has been promoted greatly.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is an enlarged view of the structure of part a in fig. 1.

Fig. 3 is a schematic structural diagram of the retainer of the present invention.

Fig. 4 is a partial front sectional view of the inner race of the present invention.

Fig. 5 is a front view of a portion of a bell jar according to the present invention.

The reference signs are: 1 bell jar, 2 buffer gear, 21 casing, 22 cambered surface spacing grooves, 23 movable grooves, 24 sliding grooves, 25 sliding blocks, 26 cambered surface buffer plates, 27 semicircular extrusion blocks, 28 spring push rods, 3 first shaft levers, 4 fixed discs, 5 retainers, 6 spacing holes, 7 steel balls, 8 star-shaped sleeves, 9 second shaft levers, 10 first inserting grooves, 11 second inserting grooves, 12 arc-shaped spacing rods, 13 spring spacing plates, 14 sliding rods, 15 sliding boxes and 16 magnetic blocks.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a novel constant velocity universal joint transmission shaft of embodiment can include bell jar 1, the internally mounted of bell jar 1 has buffer gear 2.

Referring to the attached drawings 1-5 in the specification, the novel buffering mechanism 2 of the constant velocity universal joint transmission shaft of the embodiment includes a housing 21, the housing 21 is fixedly installed outside the bell jar 1, the inside of the bell jar 1 is provided with a cambered surface limiting groove 22, the cambered surface limiting groove 22 is fixedly connected to the inner cavity of the bell jar 1, the inside of the cambered surface limiting groove 22 is provided with a movable groove 23, the side wall of the inner cavity of the bell jar 1 is fixedly provided with a sliding groove 24, the inner cavity of the sliding groove 24 is slidably connected with a plurality of sliding blocks 25, a cambered surface buffering plate 26 is fixedly connected between every two opposite sliding blocks 25, the cambered surface buffering plate 26 is slidably connected to the inner cavity of the corresponding movable groove 23, one side of the cambered surface buffering plate 26 far away from the corresponding cambered surface limiting groove 22 is fixedly connected with a semicircular extrusion block 27, two sides of the semicircular extrusion block 27 are provided with spring push rods 28, the spring pusher 28 is fixedly attached to the inner chamber side wall of the bell housing 1.

Further, a first shaft rod 3 is fixedly installed on one side of the bell jar 1, and a fixed disk 4 is fixedly installed on one side of the bell jar 1 away from the first shaft rod 3, so that the fixed disk 4 can be driven to rotate simultaneously when the first shaft rod 3 rotates.

Further, a retainer 5 is installed in the inner cavity of the bell-shaped cover 1, the retainer 5 is movably connected to the inner cavity of the cambered surface limiting groove 22, the retainer 5 is arranged between the first shaft rod 3 and the fixed disk 4, and a plurality of limiting holes 6 are formed in the retainer 5, so that the retainer 5 is more stable in the clamping process.

Further, the inner cavity of the limiting hole 6 is clamped with a steel ball 7, the inner cavity of the retainer 5 is clamped with a star-shaped sleeve 8, and the steel ball 7 is rotatably connected to the inner cavity of the corresponding star-shaped sleeve 8, so that a transmission effect can be achieved on the star-shaped sleeve 8.

Furthermore, a second shaft lever 9 is inserted into the inner cavity of the inner sleeve 8, a first insertion groove 10 is formed in the inner cavity of the inner sleeve 8, and the second shaft lever 9 is connected to the inner cavity of the corresponding first insertion groove 10 in a clamped manner, so that the second shaft lever 9 can be fixed more stably.

The implementation scenario is specifically as follows: in actual use, firstly, the required components of the utility model are taken out for installation, the steel ball 7 is clamped in the inner cavity of the star-shaped sleeve 8, then the steel ball 7 and the star-shaped sleeve 8 are clamped in the inner cavity of the retainer 5 together, so that the steel ball 7 is connected in the inner cavity of the limiting hole 6 in a sliding way, the inner cavity of the star-shaped sleeve 8 is provided with a first inserting groove 10, the second shaft rod 9 is clamped in the inner cavity of the star-shaped sleeve 8 by the first inserting groove 10, then the retainer 5 which is clamped is arranged in the inner cavity of the cambered surface limiting groove 22, the steel ball 7 arranged in the retainer 5 is connected in the inner cavity of the movable groove 23 in a sliding way, the whole bell-shaped cover 1 is rotated, the angle can be changed, one side of the bell-shaped cover 1 is provided with the first shaft rod 3, the first shaft rod 3 drives the bell-shaped cover 1 to rotate simultaneously, inner chamber sliding connection of bell jar 1 has semicircle extrusion piece 27, and the both sides of semicircle extrusion piece 27 all are equipped with spring push rod 28, spring push rod 28 promotes corresponding semicircle extrusion piece 27 to the direction motion of steel ball 7, make semicircle extrusion piece 27 drive cambered surface buffer board 26 simultaneously to the direction motion of steel ball 7, steel ball 7 reaches the effect of bradyseism when rotating, this embodiment has specifically solved among the prior art steel ball 7 because there is not absorbing spare part when rotating, so reduce life's problem easily.

Referring to the attached drawings 1-5 in the specification, the fixed plate 4 of the novel constant velocity universal joint transmission shaft of the embodiment is fixedly connected with a second insertion groove 11 at one side far away from the steel ball 7, the inner cavity of the shell 21 is hinged with an arc-shaped limiting rod 12, and the arc-shaped limiting rod 12 is inserted into the inner cavity of the corresponding second insertion groove 11.

Further, the inner cavity of casing 21 is equipped with spring limiting plate 13, spring limiting plate 13 laminates at the outer wall of corresponding arc gag lever post 12, the circumference side outer wall fixedly connected with slide bar 14 of casing 21 for slide box 15 can slide at the lateral wall of bell jar 1.

Furthermore, the outside of the slide bar 14 is slidably connected with a slide box 15, magnetic blocks 16 are arranged on one side of the slide box 15 and one side of the slide bar 14, and every two adjacent magnetic blocks 16 attract each other, so that the magnetic blocks 16 can be more stably fixed on the arc-shaped limiting rod 12.

The implementation scenario is specifically as follows: in actual use, firstly, the buffering mechanism 2 is utilized to install, so that the first shaft lever 3 and the second shaft lever 9 achieve a transmission effect, and when the bell-shaped cover 1 is rotated, the steel ball 7 can improve the buffering performance during working, reduce the abrasion condition and prolong the service life of the bell-shaped cover, because the steel ball 7 belongs to common parts, the steel ball is often easily damaged and is not easy to replace, the fixed disc 4 is installed on one side of the shell 21, the sliding rod 14 is inserted in the inner cavity of the fixed disc 4, the spring limiting plate 13 pushes the arc-shaped limiting rod 12 to be clamped more firmly, so that the fixed disc 4 is fixed more stably, the sliding box 15 slides to the outer part of the arc-shaped limiting rod 12 to achieve a limiting effect on the arc-shaped limiting rod 12, the magnetic blocks 16 are arranged on one side of the sliding box 15 and one side of the sliding rod 14, and the two adjacent magnetic blocks 16 attract each other, this embodiment has specifically solved the dismouting of being not convenient for among the prior art and has fixed the utility model discloses a problem.

In summary, the following steps: the utility model discloses a buffer gear 2 has been set up, steel ball 7 sliding connection is at the inner chamber of spacing hole 6, and spring push rod 28 promotes corresponding semicircle extrusion piece 27 to the direction motion of steel ball 7, and steel ball 7 reaches the effect of bradyseism when rotating, has solved the relatively poor problem of steel ball 7 bradyseism nature.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel constant velocity joint drive shaft, comprising a bell cup (1), characterized in that: a buffer mechanism (2) is arranged in the bell-shaped cover (1);

the buffer mechanism (2) comprises a shell (21), the shell (21) is fixedly installed outside the bell-shaped cover (1), an arc surface limiting groove (22) is arranged inside the bell-shaped cover (1), the arc surface limiting groove (22) is fixedly connected with an inner cavity of the bell-shaped cover (1), a movable groove (23) is formed in the arc surface limiting groove (22), a sliding groove (24) is fixedly installed on the inner cavity side wall of the bell-shaped cover (1), the inner cavity of the sliding groove (24) is slidably connected with sliding blocks (25), the number of the sliding blocks (25) is multiple, an arc surface buffer plate (26) is fixedly connected between every two opposite sliding blocks (25), the arc surface buffer plate (26) is slidably connected with an inner cavity of the corresponding movable groove (23), and a semicircular extrusion block (27) is fixedly connected to one side of the arc surface buffer plate (26) far away from the corresponding arc surface limiting groove (22), spring push rods (28) are arranged on two sides of the semicircular extrusion block (27), and the spring push rods (28) are fixedly connected to the side wall of the inner cavity of the bell-shaped cover (1).

2. A novel constant velocity joint propeller shaft according to claim 1, characterized in that: a first shaft lever (3) is fixedly installed on one side of the bell-shaped cover (1), and a fixed disc (4) is fixedly installed on one side, far away from the first shaft lever (3), of the bell-shaped cover (1).

3. A novel constant velocity joint propeller shaft according to claim 2, wherein: the inner cavity of the bell-shaped cover (1) is provided with a retainer (5), the retainer (5) is movably connected with the inner cavity of the cambered surface limiting groove (22), the retainer (5) is arranged between the first shaft lever (3) and the fixed disc (4), and a plurality of limiting holes (6) are formed in the retainer (5).

4. A novel constant velocity joint propeller shaft according to claim 3, characterized in that: the inner cavity joint of spacing hole (6) has steel ball (7), the inner cavity joint of holder (5) has star cover (8), steel ball (7) rotate to be connected the inner chamber at corresponding star cover (8).

5. A novel constant velocity joint propeller shaft according to claim 4, wherein: the inner cavity of the star-shaped sleeve (8) is inserted with a second shaft lever (9), the inner cavity of the star-shaped sleeve (8) is provided with a first insertion groove (10), and the second shaft lever (9) is clamped in the inner cavity of the corresponding first insertion groove (10).

6. A novel constant velocity joint propeller shaft according to claim 4, wherein: the fixed plate (4) is fixedly connected with a second inserting groove (11) at one side far away from the steel ball (7), the inner cavity of the shell (21) is hinged with an arc-shaped limiting rod (12), and the arc-shaped limiting rod (12) is inserted into the inner cavity of the corresponding second inserting groove (11).

7. A novel constant velocity joint propeller shaft according to claim 6, wherein: the inner chamber of casing (21) is equipped with spring limiting plate (13), the outer wall at corresponding arc gag lever post (12) is laminated in spring limiting plate (13), the circumference side outer wall fixedly connected with slide bar (14) of casing (21).

8. A novel constant velocity joint propeller shaft according to claim 7, wherein: the outer portion of the sliding rod (14) is connected with a sliding box (15) in a sliding mode, and magnetic blocks (16) are arranged on the sliding box (15) and one side of the sliding rod (14).