Rotary transition joint of ball bearing

By employing a pin and slot fit and threaded rod connection design in the ball bearing rotary transition joint, the problem of complex disassembly in the prior art is solved, achieving stable installation and convenient disassembly of the transition joint assembly, and improving the ease of operation of the winding roller.

CN223839581UActive Publication Date: 2026-01-27WEIHAI HENGGUANG HYDRAULIC TECH CO LTD
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Patent Information

Application Number
CN202520081275.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-27
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The existing ball bearing rotary transition joint is complicated to disassemble, making it inconvenient to disassemble the take-up roller and not convenient to use.

Method used

A ball bearing rotary transition joint was designed. The transition joint assembly and the ball bearing are stably installed by the cooperation of the pin and the pin groove. The first joint and the second joint are connected by the threaded rod to realize the detachable connection of the assembly.

Benefits of technology

It enables rapid positioning and stable installation of the transition joint assembly within the ball bearing, improving ease of use and facilitating the disassembly and installation of the take-up roller.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ball bearing rotary type transition joint, and belongs to the technical field of spinning wind-up rollers. The two ends of the wind-up roller are respectively provided with a bearing seat and a first threaded cylinder, a ball bearing is installed inside the bearing seat, the first threaded cylinder is arranged inside the ball bearing, a transition connector assembly is installed inside the ball bearing, the first threaded cylinder and the transition connector assembly are in threaded fit with a threaded rod, and a plug pin is fixed to the inner ring of the ball bearing. The transition joint assembly is composed of the first joint and the second joint, the transition joint assembly is matched with the plug pin through the first pin groove, the second pin groove and the plug pin in the ball bearing, the stability of the transition joint assembly and the ball bearing during installation is guaranteed, and rapid positioning of the transition joint assembly in the ball bearing is achieved. Mutual installation of the ball bearing and the transition joint assembly is guaranteed, the threaded rod is installed in the first threaded cylinder and the transition joint assembly, the transition joint assembly can be detached, and the use convenience of the transition joint assembly is improved.
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Description

Technical Field

[0001] This utility model relates to the field of textile take-up roller technology, specifically a ball bearing rotary transition joint. Background Technology

[0002] Ball bearing rotary transition joints are a special type of rotary joint that combines the rotational characteristics of ball bearings with the connection function of transition joints. The ball bearing is the core component of the rotary joint, consisting of rolling elements and inner and outer rings. The rolling elements roll between the inner and outer rings to achieve the rotational function. When ball bearing rotary transition joints are used in textile yarn winding equipment, they are usually set at both ends of the winding roller to ensure that the winding roller can perform the rotational winding function.

[0003] Existing ball bearing rotary transition joints are mostly fixed components. When in use, the fixed transition joint makes it inconvenient to disassemble the take-up roller. Users need to use multiple devices to disassemble the bearing housing in order to disassemble the take-up roller, which is complicated and not convenient to use. Utility Model Content

[0004] The purpose of this utility model is to provide a ball bearing rotary transition joint, in which a pin cooperates with the first and second pin slots to ensure the stability of the transition joint assembly and the ball bearing during installation, realize the rapid positioning of the transition joint assembly inside the ball bearing, ensure the mutual installation of the ball bearing and the transition joint assembly, and connect the first and second joints of the transition joint assembly through a threaded rod to realize the detachability of the transition joint assembly and increase the ease of use of the transition joint assembly.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model relates to a ball bearing rotary transition joint, comprising a take-up roller, with bearing seats and a first threaded cylinder at both ends of the take-up roller. A ball bearing is installed inside the bearing seat, and the first threaded cylinder is disposed inside the ball bearing. A transition joint assembly is installed inside the ball bearing. The first threaded cylinder and the transition joint assembly are threadedly engaged with a threaded rod. A pin is fixed to the inner ring of the ball bearing. The transition joint assembly includes a first joint and a second joint. One end of the first joint is connected to a connecting cylinder. A first pin groove is formed on the outer wall of the connecting cylinder. A second threaded cylinder is fixed inside the connecting cylinder. A stop cap is fixed to one end of the second joint. A second pin groove is formed on the outer wall of the second joint. A third threaded cylinder is fixed inside the second joint. The inner rings of the first, second, and third threaded cylinders are all provided with internal threads. The threaded rod is threadedly engaged inside the first, second, and third threaded cylinders. The pin engages with the first and second pin grooves.

[0007] Furthermore, a support frame is fixed to the bottom surface of the bearing housing, and a base is installed at the bottom end of the support frame.

[0008] Furthermore, the transition joint assembly mates with the inner ring of the ball bearing.

[0009] Furthermore, the ball bearing is mounted inside the bearing housing by screws.

[0010] Furthermore, a hole is provided inside the stop cap, and one end of the threaded rod extends through the hole inside the stop cap to the inside of the first connector, where it engages with the second threaded cylinder inside the connecting cylinder.

[0011] Furthermore, a throttle is provided at one end of the threaded rod.

[0012] This utility model has the following beneficial effects:

[0013] This utility model's transition joint assembly consists of a first joint and a second joint. The transition joint assembly is fitted inside the ball bearing through a first pin groove, a second pin groove, and a pin, ensuring the stability of the transition joint assembly during installation with the ball bearing and enabling rapid positioning of the transition joint assembly inside the ball bearing. This ensures the mutual installation of the ball bearing and the transition joint assembly. The installation of the threaded rod inside the first threaded cylinder and the transition joint assembly allows for the disassembly of the transition joint assembly, increasing its ease of use.

[0014] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the winding roller structure;

[0016] Figure 2 This is a schematic diagram of the internal structure of the take-up roller;

[0017] Figure 3 This is a schematic diagram of the structure of the take-up roller, ball bearing, and transition joint assembly in their separated states.

[0018] Figure 4 This is a schematic diagram of the structure of the first connector;

[0019] Figure 5 This is a schematic diagram of the internal structure of the first connector;

[0020] Figure 6 This is a schematic diagram of the second connector.

[0021] Figure 7 This is a schematic diagram of the top structure of the second connector.

[0022] In the diagram: 1. Base; 101. Support frame; 102. Bearing seat; 103. Take-up roller; 104. First threaded cylinder; 2. Ball bearing; 201. Pin; 3. Transition joint assembly; 301. First joint; 302. Second joint; 303. Connecting cylinder; 304. First pin groove; 305. Second threaded cylinder; 306. Stop cap; 307. Second pin groove; 308. Third threaded cylinder; 309. Internal thread; 4. Threaded rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-7 This utility model provides a technical solution: a ball bearing rotary transition joint, including a take-up roller 103, with bearing seats 102 and a first threaded cylinder 104 at both ends of the take-up roller 103. A support frame 101 is fixed to the bottom surface of the bearing seat 102, and a base 1 is installed at the bottom end of the support frame 101. A ball bearing 2 is installed inside the bearing seat 102, and the first threaded cylinder 104 is located inside the ball bearing 2. A transition joint assembly 3 is installed inside the ball bearing 2, and the transition joint assembly 3 cooperates with the inner ring of the ball bearing 2. Through the transition joint assembly 3, the take-up roller 103 and the ball bearing 2 inside the bearing seat 102 are interconnected. The take-up roller 103 rotates through the ball bearing 2 to complete the take-up operation of the textile fabric. The ball bearing 2 is installed inside the bearing seat 102 by screws. The first threaded cylinder 104 and the transition joint assembly 3 are threadedly engaged with a threaded rod 4, and a handle is provided at one end of the threaded rod 4.

[0025] The transition joint assembly 3 includes a first joint 301 and a second joint 302, which together form a rotary transition joint. One end of the first joint 301 is connected to a connecting cylinder 303. A first pin groove 304 is formed on the outer wall of the connecting cylinder 303. A second threaded cylinder 305 is fixed inside the connecting cylinder 303. A stop cap 306 is fixed on one end of the second joint 302. A second pin groove 307 is formed on the outer wall of the second joint 302. A third threaded cylinder 308 is fixed inside the second joint 302. A pin 201 is fixed to the inner ring of the ball bearing 2. The pin 201 cooperates with the first pin groove 304 and the second pin groove 307 to ensure the stability of the transition joint assembly 3 and the ball bearing 2 during installation, realize the rapid positioning of the transition joint assembly 3 inside the ball bearing 2, and ensure the mutual installation of the ball bearing 2 and the transition joint assembly 3.

[0026] The inner rings of the first threaded cylinder 104, the second threaded cylinder 305, and the third threaded cylinder 308 are all provided with internal threads 309. The stop cap 306 has a hole inside. One end of the threaded rod 4 extends through the hole inside the stop cap 306 to the inside of the first connector 301 and cooperates with the second threaded cylinder 305 inside the connecting cylinder 303. The threaded rod 4 is threadedly engaged inside the first threaded cylinder 104, the second threaded cylinder 305, and the third threaded cylinder 308. The first connector 301 and the second connector 302 of the transition connector assembly 3 are connected to each other through the threaded rod 4, so as to realize the detachability of the transition connector assembly 3 and increase the ease of use of the transition connector assembly 3.

[0027] When using a transition joint to rotate and install the textile take-up roller into the ball bearing housing of the textile frame, the ball bearing 2 is installed inside the bearing housing 102 with screws. The ball bearing 2's inner ring pin 201 engages with the transition joint assembly 3. The second pin groove 307 of the first joint 301 and the second joint 302 engages with the pin 201 to achieve quick positioning and ensure the installation of the transition joint assembly 3 within the inner ring of the ball bearing 2. The first threaded cylinders 104 at both ends of the take-up roller 103 extend into the bearing housing 102. The first threaded cylinder 104 and the second threaded cylinder 305... The internal thread of the third threaded cylinder 308 is threaded with the threaded rod 4 through the internal thread 309, so that the take-up roller 103 can be installed between the two bearing seats 102. The transition joint assembly 3 rotates inside the ball bearing 2 to ensure that the take-up roller 103 can perform the take-up operation. The way of installing the take-up roller 103 between the bearing seats 102 through the transition joint assembly 3 makes it easy for the user to disassemble the take-up roller 103. By directly turning the handle at one end of the threaded rod 4, the threaded rod 4 can be separated from the transition joint assembly 3 and the first threaded cylinder 104, increasing the convenience of use.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A ball bearing rotary transition joint, comprising a take-up roller (103), characterized in that: The take-up roller (103) is provided with a bearing seat (102) and a first threaded cylinder (104) at both ends. A ball bearing (2) is installed inside the bearing seat (102). The first threaded cylinder (104) is located inside the ball bearing (2). A transition joint assembly (3) is installed inside the ball bearing (2). The first threaded cylinder (104) and the transition joint assembly (3) are threadedly engaged with a threaded rod (4). A pin (201) is fixed to the inner ring of the ball bearing (2). The transition joint assembly (3) includes a first joint (301) and a second joint (302). One end of the first joint (301) is connected to a connecting cylinder (303). A first pin groove (304) is opened on the outer wall of the connecting cylinder (303). A second threaded cylinder (305) is fixed inside the connecting cylinder (303). A stop cap (306) is fixed on one end of the second joint (302). A second pin groove (307) is opened on the outer wall of the second joint (302). A third threaded cylinder (308) is fixed inside the second joint (302). The inner rings of the first threaded cylinder (104), the second threaded cylinder (305), and the third threaded cylinder (308) are all provided with internal threads (309). The threaded rod (4) is threadedly engaged inside the first threaded cylinder (104), the second threaded cylinder (305), and the third threaded cylinder (308). The pin (201) is engaged with the first pin groove (304) and the second pin groove (307).

2. The ball bearing rotary transition joint according to claim 1, characterized in that, The bearing housing (102) has a fixed support frame (101) on its bottom surface, and a base (1) is installed at the bottom end of the support frame (101).

3. A ball bearing rotary transition joint according to claim 1, characterized in that, The transition joint assembly (3) mates with the inner ring of the ball bearing (2).

4. A ball bearing rotary transition joint according to claim 3, characterized in that, The ball bearing (2) is mounted inside the bearing housing (102) by screws.

5. A ball bearing rotary transition joint according to claim 1, characterized in that, The stop cap (306) has a hole inside, and one end of the threaded rod (4) extends through the hole inside the stop cap (306) to the inside of the first connector (301) and cooperates with the second threaded cylinder (305) inside the connecting cylinder (303).

6. A ball bearing rotary transition joint according to claim 5, characterized in that, A throttle is provided at one end of the threaded rod (4).