Bar chair with rotating function
By replacing ball bearings with thrust ball bearings, the problem of unstable rotation of bar stools under high weight was solved, achieving a stable and smooth rotation effect.
Patent Information
- Application Number
- CN202423068421.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Most existing bar stools with swivel functions use ball bearings, but their axial load capacity is limited, which may cause them to wobble and become unstable under heavy loads.
It adopts a thrust ball bearing structure with symmetrical locking up and down, and realizes stable rotation function by cooperating with the thrust ball bearing through the rotating connecting shaft.
The load-bearing capacity of the rotating structure has been improved, ensuring good smooth rotation performance under high loads.
Smart Images
Figure CN223463819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bar chair with rotating function technical field, especially a bar chair with rotating function. BACKGROUND
[0002] The existing bar chair with rotating function realizes the rotating function by adopting the roller bearing, but the bearing capacity of the ball bearing in the axial direction is limited, and too large weight can cause the cage to deform and displace, produce the vacancy and make the bar chair shake in the rotating process.
[0003] In order to improve the above problems or deficiencies and propose the case. INVENTION CONTENTS
[0004] A bar chair with rotating function, including bar chair cushion and the rotating connecting shaft fixed in the lower end of the bar chair cushion;
[0005] It also includes bar chair support rod and the bar chair bottom platform fixed below the bar chair support rod, wherein the lower end of the bar chair support rod passes through the bar chair bottom platform and does not exceed the lower end surface of the bar chair bottom platform, the stepped counterbore is arranged at the upper and lower ends of the bar chair support rod, the thrust ball bearing is arranged in the stepped counterbore, and the rotating connecting shaft is matched with the end surface of the thrust ball bearing to realize rotation relative to the bar chair support rod.
[0006] Preferably, the bar chair cushion bottom threaded connection seat is fixed at the lower end surface of the bar chair cushion, the upper end of the rotating connecting shaft is screw connected with the bar chair cushion bottom threaded connection seat, and the lower end surface of the bar chair cushion bottom threaded connection seat is abutted with the upper ring of the thrust ball bearing arranged at the upper end of the bar chair support rod.
[0007] Preferably, the screw head is fixed at the lower end of the rotating connecting shaft, the rotating connecting shaft passes through the bar chair support rod and the thrust ball bearing arranged at the lower end of the bar chair support rod, and the lower limit block is screw connected on the screw head, and the upper end of the lower limit block is abutted with the lower end surface of the lower ring of the thrust ball bearing at the lower end of the bar chair support rod.
[0008] Preferably, the bar chair bottom platform is provided with a punching part at intervals, facilitating the installation of the lower limit block and reducing the weight, and the upper end surface of the bar chair bottom platform is used for supporting the feet.
[0009] Preferably, the rubber sheet is arranged between the end surface of the bar chair cushion bottom threaded connection seat and the thrust ball bearing, and the rubber sheet is arranged in the stepped counterbore at the upper end of the bar chair support rod to pad between the bar chair support rod and the thrust ball bearing.
[0010] Preferably, the lower end of the bar chair support rod and the end face of the thrust ball bearing are glued and fixed with rubber patches, and the upper end face of the lower limit block and the end face of the thrust ball bearing are provided with rubber patches.
[0011] The utility model discloses the advantages and positive effects are:
[0012] 1. Compared with the technical scheme of adopting the ball bearing, the application realizes more reliable and stable rotating structure by adopting the upper and lower symmetrical locking thrust ball bearing structure, and the performance on the bearing capacity is better, and good smooth rotation can be kept under high weight load. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model is further illustrated below in connection with the drawings and examples.
[0014] Fig. 1 It is the structure schematic diagram of the utility model;
[0015] Fig. 2 It is the structure schematic diagram of the utility model.
[0016] Mark in the drawing: 10, bar chair cushion, 11, rotating connection shaft, 12, screw head, 13, lower limit block, 14, bar chair support rod, 15, step counterbore, 16, bar chair bottom platform, 17, punch part, 18, bar chair cushion bottom threaded connection seat. DETAILED DESCRIPTION
[0017] The utility model will be further explained in connection with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, therefore, it only shows the components related to the utility model.
[0018] If the application examples involve directional indications or position relations (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings); if the specific posture changes, the directional indication or position relationship also changes accordingly. In addition, the application examples involve "first", "second", etc. terms, which are only used for convenience, and cannot be understood as indicating or implying relative importance.
[0019] The utility model examples are further described below in connection with the drawings:
[0020] As Figs. 1-2The utility model provides a bar chair with rotating function, including bar chair cushion 10 and the rotating connection axle 11 of fixed in the lower end of bar chair cushion 10,
[0021] It further includes a bar chair support rod 14 and a bar chair base 16 fixed below the bar chair support rod 14, wherein the lower end of the bar chair support rod 14 passes through the bar chair base 16 and does not exceed the lower end surface of the bar chair base 16, a stepped counterbore 15 is arranged at the upper and lower ends of the bar chair support rod 14, a thrust ball bearing is arranged in the stepped counterbore 15, the rotating connection axle 11 cooperates with the end surface of the thrust ball bearing to realize rotation relative to the bar chair support rod 14.
[0022] Preferably, a bar chair cushion bottom threaded connecting seat 18 is fixed at the lower end surface of the bar chair cushion 10, the upper end of the rotating connection axle 11 is threadedly connected with the bar chair cushion bottom threaded connecting seat 18, and the lower end surface of the bar chair cushion bottom threaded connecting seat 18 abuts against the upper ring of the thrust ball bearing arranged at the upper end of the bar chair support rod 14.
[0023] Preferably, a screw head 12 is fixed at the lower end of the rotating connection axle 11, the rotating connection axle 11 passes through the bar chair support rod 14 and the thrust ball bearing arranged at the lower end of the bar chair support rod 14, and a lower limiting block 13 is threadedly connected on the screw head 12, the upper end of the lower limiting block 13 abuts against the lower end surface of the lower ring of the thrust ball bearing at the lower end of the bar chair support rod 14.
[0024] Preferably, perforated parts 17 are arranged at intervals on the bar chair base 16, which facilitates installation of the lower limiting block 13 and reduces weight, and the upper end surface of the bar chair base 16 is used for supporting feet.
[0025] Preferably, a rubber sheet is arranged between the end surface of the bar chair cushion bottom threaded connecting seat 18 and the thrust ball bearing, and a rubber sheet is arranged in the stepped counterbore 15 at the upper end of the bar chair support rod 14 to pad between the bar chair support rod 14 and the thrust ball bearing.
[0026] Preferably, a rubber patch is glued and fixed at the end surface where the lower end of the bar chair support rod 14 contacts the thrust ball bearing, and a rubber patch is arranged at the end surface where the upper end surface of the lower limiting block 13 contacts the thrust ball bearing.
[0027] It should be emphasized that the embodiments of the utility model are illustrative rather than restrictive, and thus the utility model is not limited to the embodiments described in the specific embodiments, and any other embodiments derived from the technical solution of the utility model by those skilled in the art also belong to the scope of protection of the utility model.
Claims
1. A bar chair with rotating function, comprising a bar chair cushion (10) and a rotating connecting shaft (11) fixed at the lower end of the bar chair cushion (10); characterized in that: It further comprises a bar chair support rod (14) and a bar chair base (16) fixed below the bar chair support rod (14), wherein the lower end of the bar chair support rod (14) passes through the bar chair base (16) and does not exceed the lower end face of the bar chair base (16), a stepped counterbore (15) is arranged at the upper and lower ends of the bar chair support rod (14), a thrust ball bearing is arranged in the stepped counterbore (15), the rotating connecting shaft (11) cooperates with the end face of the thrust ball bearing to realize rotation relative to the bar chair support rod (14).
2. The bar chair with a rotating function according to claim 1, characterized in that: A bar chair cushion bottom threaded connecting seat (18) is fixed at the lower end face of the bar chair cushion (10), the upper end of the rotating connecting shaft (11) is threadedly connected with the bar chair cushion bottom threaded connecting seat (18), and the lower end face of the bar chair cushion bottom threaded connecting seat (18) abuts against the upper ring of the thrust ball bearing arranged at the upper end of the bar chair support rod (14).
3. The bar chair with a rotating function according to claim 2, characterized in that: A screw head (12) is fixed at the lower end of the rotating connecting shaft (11), the rotating connecting shaft (11) passes through the bar chair support rod (14) and the thrust ball bearing arranged at the lower end of the bar chair support rod (14) together, and a lower limit block (13) is threadedly connected on the screw head (12), the upper end of the lower limit block (13) abuts against the lower end face of the lower ring of the thrust ball bearing at the lower end of the bar chair support rod (14).
4. The bar chair with a rotating function according to claim 3, characterized in that: Perforated parts (17) are arranged at intervals on the bar chair base (16) to facilitate installation of the lower limit block (13) and weight reduction, and the upper end face of the bar chair base (16) is provided for foot support.
5. The bar chair with a rotating function according to claim 4, characterized in that: A rubber sheet is arranged between the end face abutting the bar chair cushion bottom threaded connecting seat (18) and the thrust ball bearing, and a rubber sheet is arranged in the stepped counterbore (15) at the upper end of the bar chair support rod (14) to pad between the bar chair support rod (14) and the thrust ball bearing.
6. The bar chair with a rotating function according to claim 5, characterized in that: A rubber patch is glued and fixed at the end face of the lower end of the bar chair support rod (14) in contact with the thrust ball bearing, and a rubber patch is arranged at the end face of the upper end face of the lower limit block (13) in contact with the thrust ball bearing. A rubber patch is glued and fixed at the end face of the lower end of the bar chair support rod (14) in contact with the thrust ball bearing, and a rubber patch is arranged at the end face of the upper end face of the lower limit block (13) in contact with the thrust ball bearing.