CN210978262U

CN210978262U - Trigeminal joint with excellent sealing performance

Info

Publication number: CN210978262U
Application number: CN201921898084.XU
Authority: CN
Inventors: 张朝晖
Original assignee: Zhuji Jingbo Machinery Co ltd
Current assignee: Zhuji Jingbo Machinery Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-10
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a trident festival that sealing performance is excellent, including outer ball ring and hinge hole, the outer wall of outer ball ring is encircleed and has been seted up the hinge hole, the inside of hinge hole is rotated and is connected with the spheroid, spheroidal one end fixedly connected with back shaft, the upper end fixedly connected with swivel joint of back shaft, the equal fixedly connected with fixed block of both ends lateral wall of outer ball ring, first screw hole has been seted up to the lateral wall of fixed block, the inside of first screw hole is rotated and is connected with the screw rod, the front surface of outer ball ring is encircleed and is seted up the third screw hole, and the front surface of outer ball ring articulates there is the arc piece, the front surface of arc piece is encircleed and is seted up. The utility model discloses in through the manual reversal screw rod of user, make the screw rod break away from the first threaded hole that arc piece lateral wall was seted up, overlap outer ball ring in the drive shaft, the user inserts first threaded hole with the screw rod this moment downthehole, corotation bolt, and the person of facilitating the use fixes the trident festival.

Description

Trigeminal joint with excellent sealing performance

Technical Field

The utility model relates to a trident festival technical field especially relates to a trident festival that sealing performance is excellent.

Background

The three-fork universal joint is a novel universal joint suitable for vehicles with smaller shaft angles. The cylindrical shaft three-fork universal joint and the spherical shaft three-fork universal joint are generally composed of a three-fork frame, a ball ring, a roller pin, a check ring and a snap spring, and the composed three-fork universal joints are symmetrical three-fork universal joints taking a surface formed by three axial leads as a reference.

The inner ring of the existing three-fork joint is generally fixed, so that the three-fork joint can only be fixedly arranged on a driving shaft equal to the inner diameter of the three-fork joint, and meanwhile, in the installation process, the three-fork joint is inconvenient for a user to install and disassemble, and meanwhile, the three-fork joint is also inconvenient for the user to replace and maintain after being damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a three-fork joint with excellent sealing performance.

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

the utility model provides a trident festival that sealing performance is excellent, includes outer ball ring and hinge hole, the outer wall of outer ball ring encircles and has seted up the hinge hole, the inside rotation of hinge hole is connected with the spheroid, spheroidal one end fixedly connected with back shaft, the upper end fixedly connected with swivel joint of back shaft.

Preferably, the both ends lateral wall of outer ball ring is the equal fixedly connected with fixed block, first screw hole has been seted up to the lateral wall of fixed block, the inside rotation of first screw hole is connected with the screw rod.

Preferably, the front surface of the outer spherical ring is provided with a third threaded hole in a surrounding manner, the front surface of the outer spherical ring is hinged with an arc-shaped block, and the front surface of the arc-shaped block is provided with a second threaded hole in a surrounding manner.

Preferably, the inner diameters of the second threaded hole and the third threaded hole are equal, and the screw directions of the second threaded hole and the third threaded hole are the same.

Preferably, the inner diameter of the hinge hole is smaller than the outer diameter of the sphere, and the hinge hole and the sphere are in interference fit.

Preferably, the first threaded hole is matched with the screw rod, and the inner diameter of the first threaded hole is equal to the outer diameter of the screw rod.

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

1. the utility model discloses in through the manual reversal screw rod of user, make the screw rod break away from the first threaded hole that the fixed block lateral wall was seted up, overlap outer ball ring in the drive shaft, the user inserts first threaded hole with the screw rod this moment downthehole, corotation screw rod, and the person of facilitating the use fixes the trident festival.

2. The utility model discloses in through with outer ball ring cover in the drive shaft, make the arc piece front surface encircle the second screw thread of seting up and outer ball ring front surface encircle the third screwed hole of seting up and align, insert the second screwed hole with the bolt to the person of facilitating the use overlaps outer ball ring in the drive shaft of different diameters, also makes simultaneously outer ball ring and drive shaft between be connected inseparabler.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the arc block structure of the present invention;

fig. 3 is a schematic view of a third threaded hole mounting structure of the present invention.

In the figure: 1. an outer ball ring; 2. a hinge hole; 3. a sphere; 4. a support shaft; 5. a rotary joint; 6. a fixed block; 7. a first threaded hole; 8. a screw; 9. an arc-shaped block; 10. a second threaded hole; 11. and a third threaded hole.

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.

Example 1

Referring to fig. 1, a trident festival that sealing performance is excellent, including outer ball 1 and hinge hole 2, hinge hole 2 has been seted up around the outer wall of outer ball 1, and the inside rotation of hinge hole 2 is connected with spheroid 3, and the one end fixedly connected with back shaft 4 of spheroid 3, the upper end fixedly connected with swivel joint 5 of back shaft 4.

It should be noted that, the equal fixedly connected with fixed block 6 of both ends lateral wall of outer ball ring 1, first screw hole 7 has been seted up to the lateral wall of fixed block 6, and the inside rotation of first screw hole 7 is connected with screw rod 8.

The working principle is as follows: through the manual reversal screw rod 8 of user, make screw rod 8 break away from the first screw hole 7 that 6 lateral walls of fixed block were seted up, with outer ball ring 1 cover in the drive shaft, the user inserts screw rod 8 in first screw hole 7 this moment, corotation screw rod 8, and the person of facilitating the use fixes the trident festival.

Example 2

Compared with embodiment 1, embodiment 2 can be mounted on drive shafts of different diameters according to the conditions of field mounting.

Referring to fig. 2-3, a trident section with excellent sealing performance comprises an outer ball ring 1 and a hinge hole 2, the hinge hole 2 is formed around the outer wall of the outer ball ring 1, a ball body 3 is rotatably connected inside the hinge hole 2, one end of the ball body 3 is fixedly connected with a support shaft 4, and the upper end of the support shaft 4 is fixedly connected with a rotary joint 5.

It should be noted that the front surface of the outer spherical ring 1 is provided with a third threaded hole 11 in a surrounding manner, the front surface of the outer spherical ring 1 is hinged with an arc-shaped block 9, and the front surface of the arc-shaped block 9 is provided with a second threaded hole 10 in a surrounding manner.

The inner diameters of the second threaded hole 10 and the third threaded hole 11 are equal, and the screw directions of the second threaded hole 10 and the third threaded hole 11 are the same.

Wherein, the internal diameter of hinge hole 2 is less than the external diameter of spheroid 3, and is interference fit between hinge hole 2 and the spheroid 3.

Wherein, first screw hole 7 and screw rod 8 looks adaptation, and the internal diameter of first screw hole 7 is equal with the external diameter of screw rod 8.

The working principle is as follows: through with outer ball ring 1 cover in the drive shaft, make the second screw hole 10 that the arc piece 9 front surface was seted up around and encircle the third screw hole 11 of seting up with outer ball ring front surface and align, insert the bolt in second screw hole 10 to the person of facilitating the use overlaps outer ball ring 1 in the drive shaft of different diameters, also makes being connected between outer ball ring and the drive shaft inseparabler simultaneously.

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 a trigeminal festival that sealing performance is excellent, includes outer ball ring (1) and hinge hole (2), its characterized in that, the outer wall of outer ball ring (1) is encircleed and has been seted up hinge hole (2), the inside rotation of hinge hole (2) is connected with spheroid (3), the one end fixedly connected with back shaft (4) of spheroid (3), the upper end fixedly connected with rotary joint (5) of back shaft (4).

2. The three-fork joint with excellent sealing performance according to claim 1, wherein the side walls of both ends of the outer ball ring (1) are fixedly connected with fixing blocks (6), the side wall of the fixing block (6) is provided with a first threaded hole (7), and a screw (8) is rotatably connected inside the first threaded hole (7).

3. The three-fork joint with excellent sealing performance according to claim 1, wherein the front surface of the outer ball ring (1) is provided with a third threaded hole (11) in a surrounding manner, the front surface of the outer ball ring (1) is hinged with an arc-shaped block (9), and the front surface of the arc-shaped block (9) is provided with a second threaded hole (10) in a surrounding manner.

4. The three-prong joint with excellent sealing performance as claimed in claim 3, wherein the inner diameters of the second threaded hole (10) and the third threaded hole (11) are equal, and the screw directions of the second threaded hole (10) and the third threaded hole (11) are the same.

5. The three-fork joint with excellent sealing performance is characterized in that the inner diameter of the hinge hole (2) is smaller than the outer diameter of the ball body (3), and the hinge hole (2) and the ball body (3) are in interference fit.

6. The three-fork joint with excellent sealing performance according to claim 2, wherein the first threaded hole (7) is matched with the screw rod (8), and the inner diameter of the first threaded hole (7) is equal to the outer diameter of the screw rod (8).