CN220378740U

CN220378740U - Universal joint assembly

Info

Publication number: CN220378740U
Application number: CN202321744934.7U
Authority: CN
Inventors: 陈永超
Original assignee: Honghu Jiyu Medical Equipment Co ltd
Current assignee: Honghu Jiyu Medical Equipment Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-01-23
Anticipated expiration: 2033-07-04

Abstract

The utility model provides a universal joint assembly, which relates to the technical field of stone removal bed connecting structures and comprises a mounting base and a cross guide joint, wherein the bottom surface of a mounting shaft seat is welded with the top surface of the mounting base, the top surface of a gate-shaped shaft seat is provided with a mounting outer cylinder, the inside of the mounting outer cylinder is movably connected with a mounting inner cylinder, threads are arranged in the mounting inner cylinder, a positioning pin hole is formed in the joint of the side surface of the mounting inner cylinder and the side surface of the mounting outer cylinder, positioning pin holes are formed in the vertical direction of the joint positions of the gate-shaped shaft seat and the mounting base and the cross guide joint in a penetrating manner, positioning pin shafts are inserted in the positioning pin holes, spring positioning ropes are arranged at the end parts of the positioning pin shafts, the gate-shaped shaft seat and the mounting base can be quickly connected with an external structure through the mounting inner cylinder and the mounting outer cylinder on the surface, and can be positioned through the connection of the positioning pin shafts when the mounting universal joint is connected and used, so that the rotation and the angle deflection of the whole universal joint can be selectively positioned in a directional manner, and the adjustment of the whole universal joint can be conveniently controlled in a directional manner.

Description

Universal joint assembly

Technical Field

The utility model relates to the technical field of stone removal bed connection structures, in particular to a universal joint assembly.

Background

The universal joint cross shaft is a part for realizing variable-angle power transmission, is used for changing the position of the direction of a transmission axis, is combined with the transmission shaft and is called a universal joint cross shaft transmission device, and is connected with a universal joint assembly at the bottom of the existing stone removal bed to be used for adjusting the angle of the whole stone removal bed and adjusting the angle when being used by a patient.

In the prior art, when the universal joint assembly is installed, the end base is generally connected with an external structure through a bolt, so that the installation is inconvenient, and meanwhile, when the universal joint assembly is used for adjusting, the adjustment angle cannot be limited by using field Jing Dingxiang, and the flexibility is not high.

Disclosure of Invention

The utility model aims to solve the defects of inconvenient installation and incapability of directional adjustment of a universal joint in the prior art, and provides a universal joint assembly.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the universal joint assembly comprises a mounting base and a cross guide joint, wherein the end surfaces of the cross guide joint, which are mutually perpendicular, are respectively and movably connected with a mounting shaft seat and a gate-shaped shaft seat, the bottom surface of the mounting shaft seat is welded with the top surface of the mounting base, the top surface of the gate-shaped shaft seat is provided with a mounting outer cylinder, the inner movable connection of the mounting outer cylinder is provided with a mounting inner cylinder, threads are arranged in the inner mounting inner cylinder, a positioning pin hole is formed in the joint of the side surface of the mounting inner cylinder and the mounting outer cylinder, the vertical direction of the connecting position of the gate-shaped shaft seat and the mounting base with the cross guide joint is penetrated and provided with a positioning pin hole, a positioning pin shaft is inserted in the positioning pin hole, the end part of the positioning pin shaft is provided with a spring positioning rope, and the end part of the spring positioning rope is propped against the surface of the gate-shaped shaft seat.

Preferably, bearing balls are distributed on the circumference of the inner wall of the installation outer cylinder, the 1/2 position of the embedded surface of the bearing balls is movably embedded into the position of the inner wall of the installation outer cylinder, the end parts of the bearing balls are propped against the outer wall of the installation inner cylinder, and the edge of the top end of the installation inner cylinder is movably clamped with the edge of the top surface of the installation outer cylinder.

Preferably, the center position of the bottom surface of the mounting base and the center position of the top surface of the gate-shaped shaft seat are respectively provided with a mounting outer cylinder and a mounting inner cylinder, and the two mounting outer cylinders are symmetrically distributed along the horizontal central line of the cross guide joint.

Preferably, the vertical center line of the installation outer cylinder is overlapped with the vertical center line of the installation inner cylinder, and the edges of the installation inner cylinder and the installation outer cylinder are treated by adopting a round angle.

Preferably, the surfaces of the door-shaped shaft seat and the mounting shaft seat are movably clamped with the end parts of the cross guide joints, and the outer edges of the door-shaped shaft seat and the mounting shaft seat are treated by adopting round corners.

Preferably, positioning pin holes are symmetrically formed in two sides of the surface of the installation outer cylinder, and the spring positioning ropes and the positioning pin shafts are symmetrically distributed along two sides of the surface of the door-shaped shaft seat.

Preferably, the vertical central line of the gate-type shaft seat and the vertical central axis of the cross guide joint are mutually overlapped, and the edges of the surface of the mounting base are all processed by adopting a round angle.

Advantageous effects

According to the utility model, the surface of the cross guide joint is connected with the gate-type shaft seat and the mounting shaft seat for mounting and using the bottom surface of the stone removal bed, so that the gate-type shaft seat and the mounting base can be quickly connected with an external structure through the mounting inner cylinder and the mounting outer cylinder on the surface, and the relative sliding of the mounting outer cylinder and the mounting inner cylinder can be positioned through the connection of the positioning pin shafts during connection and use, thereby realizing the selective positioning of the rotation and the angular deflection of the whole universal joint in a directional manner, and facilitating the adjustment of the directional control of the whole universal joint.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a side view of the present utility model;

FIG. 5 is a view showing the construction of a portion of the surface of a gate-type bearing of the present utility model; .

Legend description:

1. a cross guide joint; 2. a mounting base; 3. installing a shaft seat; 4. a spring positioning rope; 5. positioning pin shafts; 6. positioning pin holes; 7. installing an outer cylinder; 8. installing an inner cylinder; 9. bearing balls; 10. and a gate-type shaft seat.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

referring to fig. 1-5, the universal joint assembly comprises a mounting base 2 and a cross guide joint 1, wherein the end surfaces of the cross guide joint 1, which are mutually perpendicular, are respectively and movably connected with a mounting shaft seat 3 and a door-type shaft seat 10, the bottom surface of the mounting shaft seat 3 is welded with the top surface of the mounting base 2, and when the whole device is used and adjusted, the angle is mainly adjusted by rotating the door-type shaft seat 10 and the mounting shaft seat 3 along the surface of the cross guide joint 1, so that the front, back, left and right adjustment of the whole connecting device is realized, and the installation and the angle adjustment use of the whole stone removal bed are facilitated.

For the quick connection of whole device and row's stone bed, be equipped with installation urceolus 7 at door-type axle bed 10 top surface, the inside swing joint of installation urceolus 7 is equipped with installation inner tube 8, and the inside screw thread that is equipped with of installation inner tube 8, during the installation, can be with the inside screw thread and external structure connection that pass through of installation inner tube 8, installation inner tube 8 keeps sliding after being connected with installation urceolus 7, make the installation inner tube 8 after connecting can realize with the stable connection of erection equipment, and realize with the sliding connection of installation urceolus 7, the structure of being convenient for installation urceolus 7 drive surface connection carries out 360 degrees angle rotations outside installation inner tube 8 and uses, installation base plate bottom accessible installation urceolus 7 and installation inner tube 8 are connected with outside other end structure, make whole device can realize the angle rotation after keeping being connected with external equipment.

In order to facilitate the installation of the installation inner cylinder 8 and the directional adjustment after the installation, a positioning pin hole 6 is arranged at the side connection part of the installation inner cylinder 8 and the installation outer cylinder 7, a positioning pin shaft 5 is inserted in the positioning pin hole 6, a spring positioning rope 4 is arranged at the end part of the positioning pin shaft 5, the end part of the spring positioning rope 4 is propped against the surface of a door-type shaft seat 10, when the installation inner cylinder 8 is connected with an external structure, the installation outer cylinder 7 and the installation inner cylinder 8 can be positioned after penetrating through the positioning pin shaft 5, when the installation inner cylinder 8 is connected with the external structure, the installation outer cylinder 7 and the installation inner cylinder 8 synchronously rotate, the installation inner cylinder 8 can be connected with the external structure after rotating, the positioning pin shaft 5 is pulled out after the installation, the installation inner cylinder 8 and the installation outer cylinder 7 are kept to be independently connected, and the positioning pin shaft 5 can be inserted to position the rotation angle after the connection, and the limiting use under the condition without rotation is facilitated.

In order to increase the directional control of the door type shaft seat 10 and the installation shaft seat 3 during adjustment, a positioning pin hole 6 is penetrated in the vertical direction of the connection position of the door type shaft seat 10 and the installation base 2 with the cross guide joint 1, when normal rotation is kept, the inside of each positioning pin hole 6 is kept to be free of a positioning pin shaft 5, when one rotation adjustment direction is required to be limited, the positioning pin shaft 5 can be inserted, taking the door type shaft seat 10 as an example, the positioning pin shaft 5 is inserted into the positioning pin shaft 5 between the door type shaft seat 10 and the cross guide joint 1, the door type shaft seat 10 cannot rotate along the connection end part of the cross guide joint 1, and at the moment, the whole device can rotate at the opposite angle connected with the installation shaft seat 3, so that the directional control of the adjustment angle is performed.

Other limit structures in the whole device are that bearing balls 9 are distributed on the circumference of the inner wall of an installation outer cylinder 7, the positions of 1/2 embedded surfaces of the bearing balls 9 are movably embedded into the position of the inner wall of the installation outer cylinder 7, the end parts of the bearing balls 9 are propped against the outer wall of the installation inner cylinder 8, the top edge of the installation inner cylinder 8 is movably clamped with the top edge of the installation outer cylinder 7, friction force between the installation inner cylinder 8 and the installation outer cylinder 7 is effectively reduced, rotation adjustment is conveniently carried out between the installation inner cylinder 8 and the installation outer cylinder 7, the center position of the bottom surface of a mounting base 2 and the center position of the top surface of a gate shaft seat 10 are both provided with the installation outer cylinder 7 and the installation inner cylinder 8, the two installation outer cylinders 7 are symmetrically distributed along the horizontal central line of a cross guide joint 1, the two ends of the device are conveniently connected in a positioning mode, the vertical central line of the installation outer cylinder 7 is mutually coincided with the vertical central line of the installation inner cylinder 8, the edges of the installation inner cylinder 8 and the installation outer cylinder 7 are respectively processed by adopting round corners, the surfaces of the gate shaft seat 10 and the installation outer cylinder 3 are movably clamped with the end parts of the cross guide joint 1, the gate shaft seat 10 and the outer edges of the installation shaft seat 3 are respectively processed by adopting round corners, the two sides of the gate shaft seat 7 are symmetrically provided with positioning pin holes 6, the two sides of the surface of the gate shaft seat 4 and the gate shaft seat 5 are symmetrically distributed along the gate shaft seat 1, and the vertical central line is respectively, and the vertical central line of the gate shaft seat 2 is respectively arranged.

Specific embodiment II:

referring to fig. 1-5, at least one set of positioning pins 5 with spring positioning ropes 4 are arranged on the surface of the gate-type shaft seat 10, and when the gate-type shaft seat is specifically used, multiple sets of positioning pins 5 can be arranged on the surface for connection, and at most two sets of positioning pins 5 can be arranged for use.

Third embodiment:

referring to fig. 1-5, in order to increase the flexibility of the whole device adjustment, the frictional force of the cross guide joint 1 connected with the surfaces of the door type shaft seat 10 and the installation shaft seat 3 can be selected according to the actual use requirement, for example, a structure with strong resistance is provided for the adjusted angle positioning, and a smooth coating is coated on the surface for rapid and flexible adjustment.

To sum up:

the surface of the cross guide joint 1 is connected with the door type shaft seat 10 and the installation shaft seat 3 to install and use the bottom surface of the stone removal bed, so that the door type shaft seat 10 and the installation base 2 can be quickly connected with an external structure through the installation inner cylinder 8 and the installation outer cylinder 7 on the surface, and the relative sliding of the installation outer cylinder 7 and the installation inner cylinder 8 is positioned through the connection of the positioning pin shaft 5 during connection and use, thereby realizing the selective positioning of the rotation and the angle deflection of the whole universal joint in a directional manner, and being convenient for the regulation of the whole universal joint in a directional control manner.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Universal joint assembly, including mounting base (2) and cross guide (1), its characterized in that: the utility model discloses a cross guide joint, including cross guide joint (1), installation axle seat (3) and door type axle seat (10) are all swing joint respectively to tip surface that cross guide joint (1) is mutually perpendicular, installation axle seat (3) bottom surface and installation base (2) top surface welding, door type axle seat (10) top surface is equipped with installation urceolus (7), installation urceolus (7) inside swing joint is equipped with installation inner tube (8), and installs inner tube (8) inside and be equipped with the screw thread, installation inner tube (8) are equipped with location pinhole (6) with installation urceolus (7) side junction, and vertical direction of door type axle seat (10) and installation base (2) and cross guide joint (1) hookup location is run through and is equipped with location pinhole (6), location pinhole (6) inside grafting is equipped with location round pin axle (5), location round pin axle (5) tip is equipped with spring positioning rope (4), and spring positioning rope (4) tip and door type axle seat (10) surface offset.

2. The universal joint assembly of claim 1, wherein: bearing balls (9) are distributed on the circumference of the inner wall of the installation outer cylinder (7), the 1/2 position of the embedding surface of the bearing balls (9) is movably embedded into the position of the inner wall of the installation outer cylinder (7), the end parts of the bearing balls (9) are propped against the outer wall of the installation inner cylinder (8), and the edge of the top end of the installation inner cylinder (8) is movably clamped with the edge of the top surface of the installation outer cylinder (7).

3. The universal joint assembly of claim 1, wherein: the mounting outer cylinder (7) and the mounting inner cylinder (8) are arranged at the center of the bottom surface of the mounting base (2) and the center of the top surface of the gate-type shaft seat (10), and the two mounting outer cylinders (7) are symmetrically distributed along the horizontal central line of the cross guide joint (1).

4. The universal joint assembly of claim 1, wherein: the vertical center line of the installation outer cylinder (7) is overlapped with the vertical center line of the installation inner cylinder (8), and the edges of the installation inner cylinder (8) and the installation outer cylinder (7) are processed by adopting a round angle.

5. The universal joint assembly of claim 1, wherein: the surfaces of the door-shaped shaft seat (10) and the mounting shaft seat (3) are movably clamped with the end parts of the cross guide joints (1), and the outer edges of the door-shaped shaft seat (10) and the mounting shaft seat (3) are subjected to round corner treatment.

6. The universal joint assembly of claim 1, wherein: positioning pin holes (6) are symmetrically formed in two sides of the surface of the installation outer cylinder (7), and the spring positioning ropes (4) and the positioning pin shafts (5) are symmetrically distributed along two sides of the surface of the door-shaped shaft seat (10).

7. The universal joint assembly of claim 1, wherein: the vertical central line of the gate-shaped shaft seat (10) is overlapped with the vertical central axis of the cross guide joint (1), and the edges of the surface of the mounting base (2) are rounded.