Screw movement-free connecting structure
By providing a connection method of radial through holes and coaxial through holes on the inner ring of the bearing, the complex connection between the screw and the bearing in the traditional mechanical transmission system is solved, and a simple and stable screw tamper-free connection structure is realized.
Patent Information
- Application Number
- CN202423013612.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-07
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-12-07
AI Technical Summary
In traditional mechanical transmission systems, the connection structure between the screw rod and the bearing is complex, which increases processing costs and is inconvenient to maintain.
The bearing inner ring body is designed to be larger in the axial direction than the outer ring body, and a radial through hole is provided on the inner ring body. The through hole is coaxially processed on the screw, and the bearing and the screw are connected by a connecting pin. The outer ring body is clamped between the bearing seat and the wall plate to avoid axial squirming of the screw.
It realizes a screw connection with simple structure and convenient processing and maintenance, reduces additional processing steps and locking structure, and improves the stability of the connection and maintenance convenience.
Smart Images
Figure CN223294176U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of mechanical transmission, and in particular to a screw rod non-movement connection structure. Background Art
[0002] In traditional mechanical transmission systems, the screw usually needs to be connected to the bearing to achieve slewing support for the screw. In order to achieve stable transmission, the shaft neck of the screw usually needs to be precisely machined to ensure that it fits tightly with the inner ring of the bearing. In addition, in order to prevent the screw from axial movement during transmission, it is necessary to machine fine threads on the corresponding part of the shaft neck, and additional locking parts such as double nuts are required to fix the screw and the bearing to fix the position of the screw. This traditional connection method is not only complex in structure and increases processing costs, but also brings many inconveniences during subsequent maintenance and replacement. Therefore, it is necessary to solve the above technical problems. Summary of the Invention
[0003] The purpose of the embodiments of the present application is to provide a screw rod non-movement connection structure to solve the technical problem of the complex connection structure between the screw rod and the bearing in the prior art.
[0004] To achieve the above-mentioned purpose, the technical solution adopted in this application is to provide a screw rod non-movement connection structure, comprising:
[0005] wall panels;
[0006] The bearing comprises an inner ring body and an outer ring body that are coaxially arranged and can rotate relative to each other, wherein the inner ring body is longer in its axial direction than the outer ring body, and the bearing is provided with a first through hole extending radially along the inner ring body at a portion where the inner ring body extends beyond the outer ring body;
[0007] A screw rod passes through the inner ring body and is coaxially arranged with the inner ring body, and a second through hole coaxial with the first through hole is formed on the screw rod;
[0008] a connecting pin, passing through the first through hole and the second through hole in sequence and connecting the screw rod to the inner ring body;
[0009] The bearing seat is connected to the wall panel, and the outer ring body is clamped between the bearing seat and the wall panel.
[0010] Optionally, both ends of the connecting pin extend beyond the first through hole.
[0011] Optionally, the wall panel is provided with a through hole coaxial with the screw rod and for the screw rod to pass through;
[0012] The portion of the inner ring body that exceeds the outer ring body along its own axial direction and the connecting pin are both accommodated inside the through hole and are spaced apart from the inner wall of the through hole.
[0013] Optionally, the distance between the end of the connecting pin and the inner wall of the through hole is smaller than the thickness of the inner ring body along its own radial direction.
[0014] Optionally, the connecting pin is an elastic cotter pin and can form an interference fit with both the first through hole and the second through hole.
[0015] Optionally, the screw rod is provided with a plurality of second through holes spaced apart along its axial direction.
[0016] Optionally, the screw rod non-movement connection structure further includes a plurality of locking bolts;
[0017] The bearing seat is detachably connected to the wall panel via the locking bolts.
[0018] Optionally, all the locking bolts are arranged symmetrically with respect to the axis of the bearing.
[0019] Optionally, the screw rod non-movement connection structure further includes a plurality of positioning pins detachably connected between the bearing seat and the wall panel.
[0020] Optionally, the locking bolts and the positioning pins are alternately distributed in sequence around the axial direction of the bearing.
[0021] The beneficial effect of the screw-rod non-movement connection structure provided by the present application is that: compared with the existing technology, in the screw-rod non-movement connection structure provided by the present application, since the outer ring body of the bearing is clamped between the bearing seat and the wall panel, and the inner ring body of the bearing is set to have an axial length greater than the axial length of the outer ring body and a first through hole is formed on the inner ring body along its own radial direction, and since a second through hole is processed on the screw rod and coaxially arranged with the first through hole, the bearing and the screw rod can be connected to each other by connecting pins installed in the first through hole and the second through hole in sequence, and the connecting pins can also limit the axial movement of the screw rod relative to the bearing along the bearing, and at the same time, there is no need to additionally process the shaft neck or install other locking nut structures on the screw rod to allow it to rotate smoothly relative to the wall panel. This makes the screw-rod non-movement connection structure provided in the present application have the technical effects of simple structure and easy processing and maintenance, which is far superior to the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0023] Figure 1 This is a schematic diagram of the main structure of the screw rod non-movement connection structure in the embodiment of the present application;
[0024] Figure 2 For the Figure 1 Cross-sectional structural diagram along line AA.
[0025] Among them, the figure marks in the figure are: 100, wall panel; 101, through hole; 200, bearing; 201, inner ring; 202, outer ring; 211, first through hole; 300, screw rod; 301, second through hole; 400, connecting pin; 500, bearing seat; 600, tightening bolt; 700, positioning pin. DETAILED DESCRIPTION
[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.
[0027] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.
[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.
[0030] Please also refer to Figure 1 and Figure 2 The following describes a screw rod non-movement connection structure provided in an embodiment of the present application. The screw rod non-movement connection structure includes a wall panel 100, a bearing 200, a screw rod 300, a connecting pin 400, and a bearing seat 500.
[0031] The bearing 200 has an inner ring body 201 and an outer ring body 202 that are coaxially arranged and can rotate relative to each other. The length of the inner ring body 201 along its own axial direction is greater than that of the outer ring body 202. The bearing 200 is provided with a first through hole 211 extending radially along the inner ring body 201 in the part where the inner ring body 201 exceeds the outer ring body 202; the screw rod 300 passes through the inner ring body 201 and is coaxially arranged with the inner ring body 201, and a second through hole 301 coaxial with the first through hole 211 is also formed on the screw rod 300; the connecting pin 400 passes through the first through hole 211 and the second through hole 301 in sequence and connects the screw rod 300 to the inner ring body 201; the bearing seat 500 is connected to the wall panel 100, and the outer ring body 202 is clamped between the bearing seat 500 and the wall panel 100.
[0032] According to the above structure provided in this embodiment, in the screw-rod non-movement connection structure provided in this embodiment, since the outer ring body 202 of the bearing 200 is clamped between the bearing seat 500 and the wall panel 100, and the inner ring body 201 of the bearing 200 is set to have an axial length greater than the axial length of the outer ring body 202 and a first through hole 211 is formed on the inner ring body 201 along its own radial direction, and since the screw rod 300 is processed with a second through hole 301 coaxially arranged with the first through hole 211, the bearing 200 and the screw rod 300 can be connected to each other by sequentially installing the connecting pin 400 in the first through hole 211 and the second through hole 301, and the connecting pin 400 can also limit the screw rod 300 from moving relative to the bearing 200 along the axial direction of the bearing 200. At the same time, the screw rod 300 does not need to further process the shaft neck or install other locking nut structures to rotate smoothly relative to the wall panel 100. This makes the screw-rod non-movement connection structure provided in this embodiment have the technical effects of simple structure and easy processing and maintenance, which is far superior to the existing technology.
[0033] In another embodiment of this application, please refer to Figure 1 and Figure 2, both ends of the connecting pin 400 extend beyond the first through-hole 211. According to the above structure provided in this embodiment, the connecting pin 400, whose both ends extend beyond the first through-hole 211, is less likely to fall out of the first through-hole 211, thereby ensuring a more stable connection between the screw rod 300 and the inner ring body 201. This helps the screw rod non-vibration connection structure in this embodiment maintain structural stability for a longer period of time.
[0034] In another embodiment of this application, please refer to Figure 1 and Figure 2 The wall panel 100 is provided with a through hole 101 coaxial with the screw rod 300 and for the screw rod 300 to pass through. The portion of the inner ring 201 that extends axially beyond the outer ring 202 and the connecting pin 400 are both accommodated within the through hole 101 and spaced from the inner wall of the through hole 101. According to the structure provided in this embodiment, the through hole 101 provided in the wall panel 100 not only allows the screw rod 300 to pass through, but also provides a certain degree of protection for the connecting pin 400. This helps the screw rod-free connection structure in this embodiment maintain structural stability for a longer period of time.
[0035] In another embodiment of this application, please refer to Figure 1 and Figure 2 The distance between the end of the connecting pin 400 and the inner wall of the through hole 101 is less than the radial thickness of the inner ring body 201. According to the structure provided in this embodiment, the connecting pin 400 will not fall out of the first through hole 211 even if it becomes loose. This ensures a more stable connection between the screw rod 300 and the inner ring body 201, and also helps the screw rod non-vibration connection structure in this embodiment maintain structural stability for a longer period of time.
[0036] In another embodiment of this application, please refer to Figure 1 and Figure 2 The connecting pin 400 is a resilient cotter pin and is capable of forming an interference fit with both the first through-hole 211 and the second through-hole 301. According to the structure provided in this embodiment, the interference fit of the connecting pin 400 within the first through-hole 211 and the second through-hole 301 ensures a more stable connection between the screw rod 300 and the inner ring body 201, and also helps the screw rod-free connection structure in this embodiment maintain structural stability for a longer period of time.
[0037] In another embodiment of this application, please refer to Figure 1 and Figure 2The screw rod 300 is provided with a plurality of second through holes 301 spaced apart along its axial direction. According to the structure provided in this embodiment, the plurality of second through holes 301 provided on the screw rod 300 can stabilize the screw rod 300 and the bearing 200 in a variety of relative positional relationships, which helps to make the screw rod non-vibration connection structure of this embodiment flexible and applicable to a variety of different working conditions.
[0038] In another embodiment of this application, please refer to Figure 1 and Figure 2 The screw rod non-play connection structure further includes a plurality of locking bolts 600; the bearing seat 500 is detachably connected to the wall panel 100 via the locking bolts 600. According to the structure provided in this embodiment, the bearing seat 500 detachably connected to the wall panel 100 makes the screw rod non-play connection structure provided in this embodiment more convenient for subsequent maintenance, which helps the screw rod non-play connection structure in this embodiment maintain its structural stability for a longer period of time.
[0039] In another embodiment of this application, please refer to Figure 1 and Figure 2 All the locking bolts 600 are symmetrically arranged about the axis of the bearing 200. According to the structure provided in this embodiment, the plurality of locking bolts 600 symmetrically arranged about the axis of the bearing 200 can ensure a more stable connection between the bearing seat 500 and the wall panel 100, which helps the screw rod-free connection structure in this embodiment maintain structural stability for a longer period of time.
[0040] In another embodiment of this application, please refer to Figure 1 and Figure 2 The screw rod non-play connection structure further includes a plurality of locating pins 700 detachably connected between the bearing seat 500 and the wall panel 100. According to the structure provided in this embodiment, the locating pins 700 connected between the bearing seat 500 and the wall panel 100 enable the bearing seat 500 to be installed on the wall panel 100 more quickly, which further facilitates the subsequent maintenance of the screw rod non-play connection structure in this embodiment.
[0041] In another embodiment of this application, please refer to Figure 1 and Figure 2 The locking bolts 600 and the positioning pins 700 are alternately distributed in the axial direction of the bearing 200. According to the above structure provided in this embodiment, the locking bolts 600 and the positioning pins 700 alternately distributed in the axial direction of the bearing 200 can ensure that the bearing seat 500 is more stably connected to the wallboard 100, which helps the screw rod-free connection structure in this embodiment maintain structural stability for a longer period of time.
[0042] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.
Claims
1. A screw rod non-movement connection structure, characterized in that: include: Wall Panel (100); A bearing (200) comprising an inner ring body (201) and an outer ring body (202) coaxially arranged and capable of relatively rotating, wherein the inner ring body (201) is longer in its axial direction than the outer ring body (202), and the bearing (200) is provided with a first through hole (211) extending radially along the inner ring body (201) in a portion of the inner ring body (201) extending beyond the outer ring body (202); A screw rod (300) passes through the inner ring body (201) and is coaxially arranged with the inner ring body (201); a second through hole (301) coaxial with the first through hole (211) is also formed on the screw rod (300); A connecting pin (400) passes through the first through hole (211) and the second through hole (301) in sequence and connects the screw rod (300) to the inner ring body (201); The bearing seat (500) is connected to the wall panel (100), and the outer ring body (202) is clamped between the bearing seat (500) and the wall panel (100).
2. The screw rod non-movement connection structure according to claim 1, characterized in that: Both ends of the connecting pin (400) extend beyond the first through hole (211).
3. The screw rod non-movement connection structure according to claim 2, characterized in that: The wall panel (100) is provided with a through hole (101) coaxial with the screw rod (300) and for the screw rod (300) to pass through; The portion of the inner ring body (201) that exceeds the outer ring body (202) along its own axial direction and the connecting pin (400) are both accommodated inside the through hole (101) and are spaced apart from the inner wall of the through hole (101).
4. The screw rod non-movement connection structure according to claim 3, characterized in that: The distance between the end of the connecting pin (400) and the inner wall of the through hole (101) is smaller than the thickness of the inner ring body (201) along its own radial direction.
5. The screw rod non-movement connection structure according to claim 1, characterized in that: The connecting pin (400) is an elastic cotter pin and is capable of forming an interference fit with both the first through hole (211) and the second through hole (301).
6. The screw rod non-movement connection structure according to claim 1, characterized in that: The screw rod (300) is provided with a plurality of second through holes (301) spaced apart along its axial direction.
7. The screw rod non-movement connection structure according to claim 1, characterized in that: The screw rod non-movement connection structure further includes a plurality of locking bolts (600); The bearing seat (500) is detachably connected to the wallboard (100) via the locking bolt (600).
8. The screw rod non-movement connection structure according to claim 7, characterized in that: All the locking bolts (600) are symmetrically arranged with respect to the axis of the bearing (200).
9. The screw rod non-movement connection structure according to claim 7, characterized in that: The screw rod non-movement connection structure further comprises a plurality of positioning pins (700) detachably connected between the bearing seat (500) and the wall panel (100).
10. The screw rod non-movement connection structure according to claim 9, characterized in that: The locking bolts (600) and the positioning pins (700) are alternately distributed in sequence around the axial direction of the bearing (200).