CN221033686U - Hollow universal joint mechanism - Google Patents
Hollow universal joint mechanism Download PDFInfo
- Publication number
- CN221033686U CN221033686U CN202322374551.1U CN202322374551U CN221033686U CN 221033686 U CN221033686 U CN 221033686U CN 202322374551 U CN202322374551 U CN 202322374551U CN 221033686 U CN221033686 U CN 221033686U
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- Prior art keywords
- base shaft
- ring
- inner ring
- outer ring
- hollow
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a hollow universal joint mechanism, which comprises a base shaft, an inner circular ring, an outer circular ring and a limiting seat; the inner ring and the outer ring are sequentially sleeved on the top of the base shaft to form a hollow inner ring structure; the front end and the rear end of the inner circular ring are connected with the base shaft, and the left end and the right end of the inner circular ring are connected with the outer circular ring; the bottom of the base shaft is provided with a limiting seat, and the inner ring is connected with the base shaft and the outer ring through pins; and bushings are arranged in the pin holes of the base shaft, the inner ring and the outer ring and are used for fixing the pins. The inner ring is in cross connection with the base shaft and the outer ring in a transitional manner, so that deflection in the upper, lower, left and right directions of the hollow universal joint mechanism is realized, and additional space is not needed for auxiliary rotation; the base shaft is a hollow cylinder, and a cable or an air pipe can be arranged in the base shaft in a penetrating way; and the maximum offset angle of the hollow universal joint mechanism is controlled by adjusting the longitudinal height of the limiting seat.
Description
Technical Field
The utility model relates to the technical field of universal bearings, in particular to a hollow universal joint mechanism.
Background
The universal joint is a part for realizing variable-angle power transmission, and the parts can be changed between certain included angles, so that the universal joint is used for changing the position of the direction of a transmission axis. The principle of the cross shaft type universal joint is that one of the rotating forks drives the other fork to rotate through the cross pump, and meanwhile the rotating fork can swing around the center of the cross shaft in any direction, and the needle rollers in the needle roller bearings can rotate during the rotation process so as to reduce friction.
The traditional universal joint is connected by two universal joint forks, rotates in front and back two directions, or sets up the universal joint axle between two universal joint forks, and supplementary multidirectional rotation is carried out, or sets up the ball and carry out multidirectional rotation between the universal joint fork, but traditional universal joint structure can not satisfy the omnidirectional rotation in framework both ends simultaneously to overall structure is fixed, and the joint department does not need unnecessary space to rotate the buffering.
Disclosure of Invention
The utility model provides a hollow universal joint mechanism for solving the technical problem that a universal joint realizes multidirectional rotation in a fixed space.
The technical scheme is as follows:
The hollow universal joint mechanism is characterized by comprising a base shaft, an inner circular ring, an outer circular ring and a limit ring; the base shaft is connected with the outer ring through an inner ring, four connecting parts are uniformly arranged on the circumference of the inner ring, and the connecting parts which are opposite to each other are respectively connected with the base shaft and the outer ring; the base shaft bottom is equipped with the joint ball, the joint ball overcoat is equipped with the spacing collar, spacing collar and joint ball swing joint.
With the above structure, the outer ring can perform four ranges of rotation offset from front to back and from left to right.
As preferable: the connecting part that the base shaft is connected with the inner ring is provided with a protruding base shaft connecting end, the connecting part that the inner ring is connected with the outer ring is provided with a protruding inner ring connecting end, the base shaft connecting end, and pin holes are formed in both sides of the inner ring connecting end and the outer ring.
As preferable: the base shaft connecting end and the base shaft are internally provided with the same pin in a penetrating way corresponding to the pin hole, the base shaft and the inner ring are connected, the inner ring connecting end and the outer ring are internally provided with the same pin in a penetrating way corresponding to the pin hole, and the connecting line of the two base shaft connecting ends and the connecting line of the two inner ring connecting ends are in a cross shape.
As preferable: the inside bush that all is equipped with of cotter hole, the pin wears to establish in this bush.
As preferable: the inner ring height is less than the outer ring height.
By adopting the structure, the inner ring of the hollow universal joint mechanism is a ring in transitional connection in a cross connection mode, the inner ring in the traditional cross structure is replaced, the inner and outer connection of the structure is realized, additional space is not needed for auxiliary rotation, and meanwhile, the rotation of the base shaft can drive the rotation of the whole hollow universal joint mechanism.
As preferable: the joint ball is of a spherical structure and fixedly connected to the base shaft, a limit ring is sleeved on the outer side of the joint ball, the inner side of the joint ball is sunken and movably connected with the limit ring, and the top end of the limit ring is abutted to the outer ring and used for limiting the deflection of the outer ring to the maximum angle.
As preferable: the outer upper end of the outer ring is provided with a connecting buckle groove.
By adopting the structure, the maximum angle of the deflection of the hollow universal joint mechanism is controlled by adjusting the position of the limiting seat on the inner ring. The connecting buckle groove is buckled with other structures.
Compared with the prior art, the utility model has the beneficial effects that: the inner ring of the hollow universal joint mechanism is a ring which is in transitional connection in a cross connection mode, the effect of the hollow universal joint mechanism is consistent with that of a traditional cross bearing, the hollow universal joint mechanism can realize deflection in the upper, lower, left and right directions, the inner ring is arranged in the hollow universal joint mechanism, no extra space is needed for auxiliary rotation, meanwhile, the base shaft is of a hollow cylindrical structure, a cable or an air pipe can be arranged in the base shaft in a penetrating mode, electric wiring connection is facilitated, and the limiting seat can limit the maximum deflection angle of the outer ring.
Drawings
FIG. 1 is a schematic structural view of a hollow gimbal mechanism;
FIG. 2 is a perspective cross-sectional view of the hollow gimbal mechanism;
fig. 3 is a front cross-sectional view of the hollow gimbal mechanism.
Detailed Description
The utility model is further described below with reference to examples and figures.
As shown in fig. 1, the hollow universal joint mechanism mainly comprises a base shaft 1, an inner circular ring 2, an outer circular ring 3 and a limit ring 5, wherein connecting clamping grooves are formed in the front side and the rear side of the upper end part of the outer circular ring 3. Pin holes are formed in the front side and the rear side of the middle of the outer ring 3.
Four connecting parts are uniformly arranged on the circumference of the inner ring 2, a protruding inner ring connecting end 10 is arranged on the front connecting part and the rear connecting part, pin holes penetrating through the inner ring connecting end 10 are formed in the inner ring connecting end 10, and pin holes penetrating through the inner ring 2 are formed in the left connecting part and the right connecting part of the inner ring 2.
The base shaft 1 is of a hollow cylindrical structure, the left side and the right side of the upper end part of the base shaft are provided with protruding base shaft connecting ends 9, and the base shaft connecting ends 9 are provided with pin holes penetrating through the base shaft connecting ends 9.
As shown in fig. 2, the pin holes 6 at the front end and the rear end of the inner ring 3 and the base shaft connecting ends 9 are internally provided with the same pin 7, the inner ring 3 and the base shaft 1 are connected, the pin holes 6 corresponding to the inner ring connecting ends 10 and the outer ring 3 of the inner ring 2 are internally provided with the same pin 7, the inner ring 3 and the outer ring 3 are connected, so that the pin holes 6 are internally provided with bushings, the pin 7 is internally provided with the bushings in a penetrating manner, and the connecting line of the two base shaft connecting ends 9 and the connecting line of the two inner ring connecting ends 10 are in a cross shape.
As shown in fig. 3, the lower part of the inner ring 2 is sleeved with a joint ball 4 and a limit ring 5 in sequence by the base shaft 1, the joint ball 4 is of a spherical structure and is fixedly connected to the base shaft 1, the inner side of the limit ring 5 is sunken and movably connected with the joint ball 4, and the top end of the limit ring 5 is abutted to the outer ring 3.
Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. Hollow universal joint mechanism, its characterized in that: the novel bearing comprises a base shaft (1), an inner ring (2), an outer ring (3) and a limit ring (5), wherein the base shaft (1) is connected with the outer ring (3) through the inner ring (2), four connecting parts are uniformly arranged on the circumference of the inner ring (2), and the connecting parts which are opposite to each other are respectively connected with the base shaft (1) and the outer ring (3); the base shaft (1) bottom is equipped with joint ball (4), joint ball (4) overcoat is equipped with spacing collar (5), spacing collar (5) and joint ball (4) swing joint.
2. The hollow gimbal mechanism of claim 1, wherein: the connecting part of the base shaft (1) and the inner ring (2) is provided with a protruding base shaft connecting end (9), the connecting part of the inner ring (2) and the outer ring (3) is provided with a protruding inner ring connecting end (10), and the two sides of the base shaft connecting end (9), the inner ring connecting end (10) and the two sides of the outer ring (3) are provided with pin holes (6).
3. The hollow universal joint mechanism according to claim 2, wherein the same pin (7) is arranged in the pin hole (6) corresponding to the base shaft (1) in a penetrating manner at the base shaft connecting end (9), the base shaft (1) and the inner ring (2) are connected, the same pin (7) is arranged in the pin hole (6) corresponding to the outer ring (3) in a penetrating manner at the inner ring connecting end (10) and the outer ring (3), the connecting line of the two base shaft connecting ends (9) and the connecting line of the two inner ring connecting ends (10) are in a cross shape.
4. A hollow gimbal mechanism as claimed in claim 3, characterized in that the pin holes (6) are each internally provided with a bushing in which the pin (7) is threaded.
5. A hollow gimbal mechanism as claimed in claim 1, wherein the height of the inner ring (2) is less than the height of the outer ring (3).
6. The hollow universal joint mechanism according to claim 1, wherein the joint ball (4) is of a spherical structure and is fixedly connected to the base shaft (1), a limit ring (5) is sleeved on the outer side of the joint ball (4), the inner side of the limit ring (5) is sunken and movably connected with the joint ball (4), and the top end of the limit ring (5) is abutted to the outer ring (3) and used for limiting the deflection maximum angle of the outer ring (3).
7. Hollow gimbal mechanism according to claim 1, characterized in that the outer upper end of the outer ring (3) is provided with a connecting snap groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322374551.1U CN221033686U (en) | 2023-09-01 | 2023-09-01 | Hollow universal joint mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322374551.1U CN221033686U (en) | 2023-09-01 | 2023-09-01 | Hollow universal joint mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033686U true CN221033686U (en) | 2024-05-28 |
Family
ID=91175934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322374551.1U Active CN221033686U (en) | 2023-09-01 | 2023-09-01 | Hollow universal joint mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033686U (en) |
-
2023
- 2023-09-01 CN CN202322374551.1U patent/CN221033686U/en active Active
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