Miniature ball bushing guide assembly

Abstract

The utility model discloses a miniature ball bushing guide assembly which comprises a guide column, a ball is installed on the outer wall of the guide column, a bushing is installed on the outer wall of the ball, a fixing cylinder is installed on the outer wall of the bushing, the fixing cylinder and the guide column are coaxially arranged, and a fixing plate is installed at the bottom of the fixing cylinder. Through cooperation of the spring, the limiting plate and the telescopic column, when the ball is installed, the ball and the lining are inserted into the fixing sleeve, the pressing plate is extruded by the ball, the telescopic column is driven to move, the spring is extruded by the limiting plate, the ball is fixed by the pressing plate through the elasticity of the spring, and therefore the ball and the lining are fixed. And the fixing plate is used for sealing the fixing cylinder, so that the fixing cylinder is more stable during use, and the problem that the working efficiency is reduced due to the fact that the balls are inconvenient to check and replace during use in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ball bushing, specifically to a micro ball bushing guide assembly. BACKGROUND

[0002] Ball bushing guide assembly generally includes guide sleeve, guide column and bushing, bushing is made of aluminum alloy, copper alloy or polyformaldehyde resin, as steel ball retainer, steel ball is embedded in the retainer in the form of inlay, and with guide column contact, guide column and guide sleeve are connected with fixed structure and moving structure respectively, so that it can move relatively, and reduce friction through ball.

[0003] Prior art in the, ball is installed on the outer wall of guide column, and is wrapped with fixed cylinder, so that fixed cylinder can move relatively with guide column, so that fixed cylinder rotates, and friction is reduced.

[0004] However, the prior art in use, after long time use, ball will appear wear and damage, need regular overhaul replacement, so that when replacing ball, ball is inconvenient to take out in fixed cylinder, lead to work efficiency reduction.

[0005] Therefore, it is necessary to provide a technical scheme to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses to the shortage of prior art, provide a micro ball bushing guide assembly, solve the prior art in long time use, ball will appear wear and damage, need regular overhaul replacement, so that when replacing ball, ball is inconvenient to take out in fixed cylinder, lead to work efficiency reduction Problem.

[0007] To achieve the above object, the utility model discloses the following technical scheme:

[0008] A micro ball bushing guide assembly, including guide column, the outer wall of guide column is installed with ball, the outer wall of ball is installed with bushing, the outer wall of bushing is installed with fixed cylinder, the fixed cylinder is arranged coaxially with the guide column, the bottom of fixed cylinder is installed with fixed plate, the inner wall of fixed plate is sleeved on the outer wall of guide column, and the outer wall of fixed cylinder is connected in the inner wall of fixed plate.

[0009] Preferably, the inner wall of the fixed cylinder abuts against a spring, one end of the spring abuts against a limiting plate, the outer wall of the limiting plate is movably connected to the inner wall of the fixed cylinder, the outer wall of the limiting plate is fixedly connected to a telescopic column, the outer wall of the telescopic column is movably connected to the inner wall of the fixed cylinder, one end of the telescopic column is fixedly connected to a pressing plate, and the outer wall of the pressing plate abuts against the outer wall of the ball.

[0010] Preferably, the outer wall of the pressing plate is provided with a through hole, and the outer wall of the pressing plate is tightly abutted with an oil storage sleeve.

[0011] Preferably, the outer wall of the fixing cylinder is threadedly connected with a mounting plate, the inner wall of the mounting plate is mounted with a ball, the bottom of the ball is movably connected with the top of the bushing, and the inner wall of the mounting plate is sleeved with the outer wall of the guide column.

[0012] Preferably, the bottom of the fixing cylinder is tightly abutted with a sealing sleeve, the inner wall of the sealing sleeve is sleeved with the outer wall of the guide column, and the outer wall of the sealing sleeve is tightly abutted with the inner wall of the fixing plate.

[0013] Preferably, the outer wall of the guide column is provided with a sliding channel, the inner wall of the sliding channel is slidably connected with a sliding block, and the outer wall of the sliding block is fixedly connected with the outer wall of the bushing.

[0014] Compared with the prior art, the micro ball bushing guide assembly has the following beneficial effects: the micro ball bushing guide assembly is provided, and the spring, the limiting plate and the telescopic column are matched, the ball is inserted into the inside of the fixing sleeve together with the bushing when the ball is installed, the telescopic column is driven to move by extruding the limiting plate to the spring, the ball is fixed by the elasticity of the spring through the extrusion of the pressing plate, the ball and the bushing are fixed, the fixing cylinder is sealed by the fixing plate, the use is more stable, the problem that the ball is inconvenient to check and replace in the prior art is solved, and the working efficiency is reduced.

[0015] In addition, the sealing sleeve is installed at the bottom of the fixing cylinder by the cooperation of the sealing sleeve, the fixing plate and the fixing cylinder, the bottom of the fixing cylinder is sealed by extruding the sealing sleeve through the fixing plate, the excess lubricating oil is prevented from flowing out from the bottom of the fixing cylinder, and the use is affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a sectional structure schematic view of the utility model;

[0018] Figure 3 It is Figure 2 It is a structure schematic view of the fixing cylinder, the bushing and the mounting plate assembly;

[0019] Figure 4 It is Figure 2 It is a structure schematic view of the guide column, the ball and the bushing assembly.

[0020] In the figure: 1, guide column, 2, fixed cylinder, 3, bushing, 4, ball, 5, mounting plate, 6, fixed plate, 7, spring, 8, pressing plate, 9, oil storage sleeve, 10, limiting plate, 11, telescopic column, 12, through hole, 13, ball, 14, slide, 15, sliding block, 16, sealing sleeve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the prior art, after long-time use, the ball will be worn and damaged, and needs to be regularly overhauled and replaced, thereby causing inconvenience in taking out the ball in the fixed cylinder when replacing the ball, and reducing work efficiency.

[0023] Therefore, the utility model provides a micro ball bushing guide assembly, solves the problem that the ball will be worn and damaged after long-time use in the prior art, and needs to be regularly overhauled and replaced, thereby causing inconvenience in taking out the ball in the fixed cylinder when replacing the ball, and reducing work efficiency.

[0024] The parts in the case are connected in sequence by those skilled in the art, and the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the commonly known technology in the art, and the following mainly introduces the working principle and process.

[0025] Embodiment one

[0026] By Figures 1-4 It can be known that the utility model provides a micro ball bushing guide assembly, which comprises a guide column 1, a ball 4 is installed on the outer wall of the guide column 1, a bushing 3 is installed on the outer wall of the ball 4, a fixed cylinder 2 is installed on the outer wall of the bushing 3, the fixed cylinder 2 is coaxially arranged with the guide column 1, a fixed plate 6 is installed at the bottom of the fixed cylinder 2, the inner wall of the fixed plate 6 is sleeved on the outer wall of the guide column 1, and the outer wall of the fixed cylinder 2 is screw-connected to the inner wall of the fixed plate 6.

[0027] In the specific implementation process, the ball 4 and the bushing 3 are assembled under the cooperation of the fixed cylinder 2, the fixed plate 6 and the guide column 1, and are inserted in the inside of the fixed cylinder 2, so that they are more stable when rotating, and the bottom of the fixed cylinder 2 is sealed by the fixed plate 6.

[0028] Further, the inner wall of the fixed cylinder 2 abuts against the spring 7, one end of the spring 7 abuts against the limiting plate 10, the outer wall of the limiting plate 10 is movably connected to the inner wall of the fixed cylinder 2, the outer wall of the limiting plate 10 is fixedly connected with the telescopic column 11, the outer wall of the telescopic column 11 is movably connected to the inner wall of the fixed cylinder 2, one end of the telescopic column 11 is fixedly connected with the pressing plate 8, the outer wall of the pressing plate 8 abuts against the outer wall of the ball 4, and the spring 7 is used to extrude the pressing plate 8, so that the pressing plate 8 fixes the ball 4.

[0029] In the specific implementation process, under the cooperation of the spring 7, the limiting plate 10 and the telescopic column 11, when the ball 4 is installed, it is inserted into the inside of the fixed cylinder 2 together with the bushing 3, so as to extrude the pressing plate 8, drive the telescopic column 11 to move, and make the limiting plate 10 extrude the spring 7, utilize the elasticity of the spring 7 to fix the ball 4 by the pressing plate 8, so as to fix the ball 4 and the bushing 3, and use the fixed plate 6 to seal the fixed cylinder 2, so as to be more stable in use.

[0030] Further, the outer wall of the pressing plate 8 is provided with a through hole 12, and the outer wall of the pressing plate 8 abuts against the oil storage sleeve 9.

[0031] In the specific implementation process, under the cooperation of the pressing plate 8, the oil storage sleeve 9 and the through hole 12, when the pressing plate 8 is extruded, the pressing plate 8 will extrude the oil storage sleeve 9, so that the lubricating oil flows into the outer wall of the ball 4 through the through hole 12, and the lubricity is increased.

[0032] Specifically, when the micro ball bushing guide assembly is used, the ball 4 and the bushing 3 are assembled when the ball 4 is installed, and are inserted into the inside of the fixed cylinder 2, and the limiting plate 10 is extruded by the spring 7, the telescopic column 11 is driven to move, the ball 4 is fixed by the pressing plate 8, and when the pressing plate 8 is extruded, the oil storage sleeve 9 is extruded, so that the lubricating oil flows to the outer wall of the ball 4 through the through hole 12, and the friction is reduced.

[0033] Example two

[0034] Different from example one, the outer wall of the fixed cylinder 2 is threadedly connected with the mounting plate 5, the inner wall of the mounting plate 5 is mounted with the ball 13, the bottom of the ball 13 is movably connected to the top of the bushing 3, and the inner wall of the mounting plate 5 is sleeved on the outer wall of the guide column 1.

[0035] In the specific implementation process, under the cooperation of the bushing 3, the mounting plate 5 and the ball 13, the mounting plate 5 is mounted on the outer wall of the fixed cylinder 2, and the ball 13 is used to make it more stable during installation.

[0036] Further, the bottom of the fixed cylinder 2 abuts against the sealing sleeve 16, the inner wall of the sealing sleeve 16 is sleeved on the outer wall of the guide column 1, and the outer wall of the sealing sleeve 16 abuts against the inner wall of the fixed plate 6.

[0037] In the specific implementation process, the sealing sleeve 16 is installed at the bottom of the fixed cylinder 2 in cooperation with the fixed plate 6, and the sealing sleeve 16 is fixed by using the fixed plate 6, so as to avoid leakage of lubricating oil.

[0038] Further, the outer wall of the guide column 1 is provided with a sliding groove 14, the inner wall of the sliding groove 14 is slidably connected with a sliding block 15, and the outer wall of the sliding block 15 is fixedly connected to the outer wall of the bushing 3.

[0039] In the specific implementation process, in cooperation with the sliding groove 14, the sliding block 15 and the bushing 3, when the ball 4 moves, the bushing 3 drives the sliding block 15 to move in the sliding groove 14, so that the sliding block 15 is more stable during movement.

[0040] Specifically, on the basis of the above embodiment, when the top and bottom of the fixed cylinder 2 are sealed, the sealing sleeve 16 is abutted by using the fixed plate 6, so as to seal the bottom of the fixed cylinder 2 and avoid leakage, and the top is screw-connected to the top of the fixed cylinder 2 by using the mounting plate 5, so that the installation is more stable.

[0041] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations. The statement "including a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0042] In the present application, unless otherwise specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms by the person skilled in the art according to the specific situation.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A micro-ball-bush guide assembly comprising a guide post (1), characterized in that: The outer wall of the guide column (1) is provided with a ball (4), the outer wall of the ball (4) is provided with a bushing (3), the outer wall of the bushing (3) is provided with a fixing cylinder (2), the fixing cylinder (2) is coaxially arranged with the guide column (1), the bottom of the fixing cylinder (2) is provided with a fixing plate (6), the inner wall of the fixing plate (6) is sleeved on the outer wall of the guide column (1), and the outer wall of the fixing cylinder (2) is threadedly connected to the inner wall of the fixing plate (6).

2. A micro ball bushing guide assembly according to claim 1, wherein: The inner wall of the fixing cylinder (2) is abutted against a spring (7), one end of the spring (7) is abutted against a limiting plate (10), the outer wall of the limiting plate (10) is movably connected to the inner wall of the fixing cylinder (2), the outer wall of the limiting plate (10) is fixedly connected with a telescopic column (11), the outer wall of the telescopic column (11) is movably connected to the inner wall of the fixing cylinder (2), one end of the telescopic column (11) is fixedly connected with a pressing plate (8), and the outer wall of the pressing plate (8) is abutted against the outer wall of the ball (4).

3. A micro-ball bushing guide assembly according to claim 2, wherein: The outer wall of the pressing plate (8) is provided with a through hole (12), and the outer wall of the pressing plate (8) is abutted against an oil storage sleeve (9).

4. A micro ball bushing guide assembly according to claim 1, wherein: The outer wall of the fixing cylinder (2) is threadedly connected with a mounting plate (5), the inner wall of the mounting plate (5) is provided with a ball (13), the bottom of the ball (13) is movably connected to the top of the bushing (3), and the inner wall of the mounting plate (5) is sleeved on the outer wall of the guide column (1).

5. A micro-ball bushing guide assembly according to claim 1, wherein: The bottom of the fixing cylinder (2) is abutted against a sealing sleeve (16), the inner wall of the sealing sleeve (16) is sleeved on the outer wall of the guide column (1), and the outer wall of the sealing sleeve (16) is abutted against the inner wall of the fixing plate (6).

6. A micro ball bushing guide assembly according to claim 1, wherein: The outer wall of the guide column (1) is provided with a slide (14), the inner wall of the slide (14) is slidably connected with a sliding block (15), and the outer wall of the sliding block (15) is fixedly connected to the outer wall of the bushing (3).

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