Eccentricity fine adjustment mechanism of ball sliding rail

Abstract

The utility model relates to the technical field of sliding rails, in particular to an eccentric fine adjustment mechanism of a ball sliding rail, which comprises a support, two pin columns which are symmetrically arranged are detachably connected to one end of the support, four planes are respectively arranged on the outer walls of the two pin columns, every two opposite planes are arranged in parallel, the included angle between every two adjacent planes is 90 degrees, and the other end of the support is fixedly connected with the support. An eccentric stepped hole is formed in the position, located on one side of the center point, of one end face of the pin column in a penetrating mode, a screw is arranged in the eccentric stepped hole, and the pin column is fixedly installed on the support through the screw. According to the utility model, through the design of the four planes of the outer wall of the pin column and the arrangement of the matched eccentric stepped holes, one side of the pin column can be adjusted into three different sizes when the pin column is eccentrically rotated and adjusted, so that the standard stand column of the cabinet is suitable for being installed and used on cases with different width sizes; and the problem of changing the bracket or carrying out mold modification on the bracket is reduced, so that certain cost is reduced, and the practicability is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of slide rails, in particular to an eccentric fine-tuning mechanism of a ball slide rail. Background Art

[0002] The server chassis is installed on the server cabinet by the server chassis slide rails on both sides, so that the server can be pulled out or pushed in the cabinet for easy maintenance or replacement. The connection between the server chassis slide rail and the server cabinet is achieved by the pins on the front and rear brackets of the slide rail and the square installation holes on both sides of the cabinet.

[0003] At present, the standard spacing between the square holes for installing the columns in the cabinets on the market is 465mm, and the spacing value is a fixed standard value. Therefore, when the slide rails are used for installing the chassis with different widths, the width of the chassis may be too large or too small, which will affect the installation of the slide rails and further affect the use of the chassis. At present, the existing technology for this problem is usually to modify the mold of the bracket to produce a batch of more suitable brackets, but the cost is too high and it is not universal enough. Utility Model Content

[0004] The utility model provides an eccentric fine-tuning mechanism for a ball bearing slide rail to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] An eccentric fine-tuning mechanism for a ball guide rail comprises a bracket, one end of which is detachably connected to two symmetrically arranged pins, the outer walls of the two pins are respectively provided with four planes, every two opposing planes are arranged in parallel, and the angle between every two adjacent planes is 90°, an eccentric step hole is penetrated through one end face of the pin at a position on one side of the center point, and a screw is arranged in the eccentric step hole, and the pin is fixedly mounted on the bracket by the screw.

[0007] Preferably, the center point of the eccentric step hole and the center point of the pin are on the same horizontal line or longitudinal line.

[0008] Preferably, a groove cooperating with a screwdriver is formed on the front end surface of the screw.

[0009] Preferably, the groove is a straight groove or a cross groove.

[0010] Preferably, a positioning hole corresponding to the eccentric step hole on the pin is opened on one end surface of the bracket, and one end of the screw is arranged in the positioning hole.

[0011] Preferably, a protruding hole corresponding to the positioning hole is fixedly connected on one end surface of the bracket, one end of the screw is threadedly connected in the protruding hole, and the protruding hole is arranged on a side surface away from the pin.

[0012] An eccentric fine-tuning mechanism for a ball bearing slide rail also includes a slide rail body connected to the bracket and a cabinet column used for plugging pins and supporting the bracket and the slide rail body.

[0013] Preferably, at least two installation square holes for plugging and cooperating with the pins are provided on the cabinet columns along the longitudinal direction.

[0014] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0015] In the utility model, through the design of the four planes of the outer wall of the pin and the opening of the eccentric step hole, the pin can be adjusted to three different sizes at one side when it is eccentrically rotated and adjusted, so that the standard cabinet column can be adapted to the installation and use of chassis of different widths, reducing the problem of changing the bracket or remodeling the bracket, thereby reducing a certain cost and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall explosion structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the bracket and the slide rail body of the utility model;

[0018] Figure 3 This is a schematic diagram of the matching structure of the screw and the cabinet column of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the first embodiment of the utility model;

[0020] Figure 5 This is a schematic structural diagram of a second embodiment of the utility model;

[0021] Figure 6 This is a schematic structural diagram of the third embodiment of the present utility model.

[0022] In the figure: 1. bracket; 2. pin; 3. eccentric step hole; 4. screw; 5. positioning hole; 6. raised hole; 7. slide rail body; 8. cabinet column; 9. installation square hole; 10. groove. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] like Figure 1-6 As shown, the utility model provides an eccentric fine-tuning mechanism of a ball guide rail, comprising a bracket 1, one end of which is detachably connected to two symmetrically arranged pins 2, the outer walls of the two pins 2 are respectively provided with four planes, every two opposite planes are arranged in parallel, and the angle between every two adjacent planes is 90°, an eccentric step hole 3 is penetrated through one end face of the pin 2 at a position located on one side of the center point, and a screw 4 is arranged in the eccentric step hole 3, and the pin 2 is fixedly mounted on the bracket 1 by the screw 4.

[0026] In this embodiment, the center point of the eccentric step hole 3 and the center point of the pin 2 are on the same horizontal line or vertical line, and the eccentric step hole 3 is close to a plane, so that the eccentric step hole 3 is eccentrically set, and then with the eccentric step hole 3 as the center point, the pin 2 can be rotated to adjust one side to three different sizes, so as to realize the installation and use of standard columns to adapt to chassis of different widths.

[0027] In this embodiment, a groove 10 cooperating with a screwdriver is formed on the front end surface of the screw 4. The groove 10 is a slot or a cross slot. The groove 10 includes but is not limited to a slot and a cross slot, and can also be a hexagonal screw groove.

[0028] In this embodiment, a positioning hole 5 corresponding to the eccentric step hole 3 on the pin 2 is opened on one end face of the bracket 1, one end of the screw 4 is arranged in the positioning hole 5, and a protruding hole 6 corresponding to the positioning hole 5 is fixedly connected on one end face of the bracket 1, one end of the screw 4 is threadedly connected in the protruding hole 6, and the protruding hole 6 is arranged on a side face away from the pin 2.

[0029] An eccentric fine-tuning mechanism for a ball bearing slide rail also includes a slide rail body 7 connected to a bracket 1 and a cabinet column 8 for plugging in a pin column 2 and supporting the bracket 1 and the slide rail body 7. The cabinet column 8 is provided with at least two installation square holes 9 along the longitudinal direction for plugging in with the pin column 2. Embodiment 1

[0030] like Figure 4As shown, when installing and using a chassis with a wider width (436mm), the screw 4 can be loosened to allow the pin 2 to be rotated and adjusted, so that the plane farthest from the screw 4 can face the chassis, and then the screw 4 is tightened, so that the pin 2 is inserted into the installation square hole 9 on the cabinet column 8. The spacing distance between the cabinet column 8 and the chassis is a smaller size a, so that a chassis with a larger width can be installed and used, reducing the cost and time of changing the bracket 1 and remodeling. Embodiment 2

[0031] like Figure 5 As shown, when installing and using a chassis with a medium width (435mm), the screw 4 can be loosened to allow the pin 2 to be rotated and adjusted, so that a plane with a medium distance from the screw 4 can be facing the chassis, and then the screw 4 is tightened, so that the pin 2 is inserted into the installation square hole 9 on the cabinet column 8, and the spacing distance between the cabinet column 8 and the chassis is a medium size b, so that the chassis with a medium width can be installed and used. Embodiment 3

[0032] like Figure 6 As shown, when installing a chassis with a narrow width (434mm), the screw 4 can be loosened to allow the pin 2 to be rotated and adjusted, so that the plane closest to the screw 4 can face the chassis, and then the screw 4 is tightened, so that the pin 2 is inserted into the installation square hole 9 on the cabinet column 8. The spacing distance between the cabinet column 8 and the chassis is the larger size c, so that the chassis with a smaller width can be used.

[0033] In summary, the installation of the bracket 1 and the slide rail body 7 and the installation of the slide rail body 7 and the cabinet column 8 are well known to those skilled in the art and will not be elaborated in detail herein.

[0034] In the present utility model, the term "plurality" refers to two or more than two, unless otherwise clearly defined. The term "and / or" used in this article includes any and all combinations of one or more related listed items. The terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "connection" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0035] It should be noted that when an element is referred to as being "assembled on", "installed on", "fixed on" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0036] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An eccentric fine-tuning mechanism for a ball guide rail, characterized in that: The invention comprises a bracket (1), one end of which is detachably connected to two symmetrically arranged pins (2), the outer walls of the two pins (2) are respectively provided with four planes, each two opposite planes are arranged in parallel, and the angle between each two adjacent planes is 90°, an eccentric step hole (3) is penetrated through one end surface of the pin (2) at a position located on one side of the center point, and a screw (4) is arranged in the eccentric step hole (3), and the pin (2) is fixedly mounted on the bracket (1) by the screw (4).

2. The eccentric fine-tuning mechanism of a ball guide rail according to claim 1, characterized in that: The center point of the eccentric step hole (3) and the center point of the pin (2) are located on the same horizontal line or longitudinal line.

3. The eccentric fine-tuning mechanism of a ball guide rail according to claim 1, characterized in that: The front end surface of the screw (4) is provided with a groove (10) for cooperating with a screwdriver.

4. The eccentric fine-tuning mechanism of a ball guide rail according to claim 3, characterized in that: The groove (10) is a slot or a cross slot.

5. The eccentric fine-tuning mechanism of a ball guide rail according to claim 1, characterized in that: A positioning hole (5) corresponding to the eccentric stepped hole (3) on the pin (2) is provided on one end surface of the bracket (1), and one end of the screw (4) is arranged in the positioning hole (5).

6. The eccentric fine-tuning mechanism of a ball guide rail according to claim 5, characterized in that: A protruding hole (6) corresponding to the positioning hole (5) is fixedly connected to one end surface of the bracket (1), one end of the screw (4) is threadedly connected in the protruding hole (6), and the protruding hole (6) is arranged on a side surface away from the pin (2).

7. The eccentric fine-tuning mechanism of a ball guide rail according to claim 1, characterized in that: It also includes a slide rail body (7) connected to the bracket (1) and a cabinet column (8) used for plugging the pin column (2) and supporting the bracket (1) and the slide rail body (7).

8. The eccentric fine-tuning mechanism of a ball guide rail according to claim 7, characterized in that: At least two installation square holes (9) for plugging and cooperating with the pins (2) are provided on the cabinet columns (8) along the longitudinal direction.

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