Stainless steel ball screw convenient to disassemble and assemble

By designing a stainless steel ball screw structure that is easy to disassemble and assemble, the problems of inconvenient installation and insufficient lubrication are solved, realizing convenient disassembly and lubrication of the ball screw, and improving efficiency and stability.

CN224120621UActive Publication Date: 2026-04-14TIANJIN PRINSEN INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing stainless steel ball screws are inconvenient to install and disassemble, and the balls are prone to wear and have poor lubrication.

Method used

The stainless steel ball screw structure is designed for easy disassembly and assembly, including components such as mounting base, positioning block, slide bar, arc-shaped locking block, nut, oil injection hole, oil reservoir and dust plug, to achieve convenient disassembly and lubrication of the balls.

Benefits of technology

It enables convenient installation and disassembly of ball screws, ensures that the balls remain lubricated during long-term use, and improves the smoothness and stability of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224120621U_ABST
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Abstract

The stainless steel ball screw convenient to disassemble and assemble comprises a bottom plate, a supporting plate is arranged at the upper end of the bottom plate, a motor is fixedly arranged on one side of the supporting plate, a screw rod is arranged at the output end of the motor, a mounting base is arranged at a port of the screw rod, and the mounting base is mounted on a fixing base of the supporting plate on the other side. A sliding groove is formed in the fixing base, a sliding rod is fixedly arranged in the sliding groove, a first spring is arranged on the sliding rod, an arc-shaped clamping block is movably arranged on the sliding rod, a mounting base is fixedly clamped by the lower end of the arc-shaped clamping block, a nut is in threaded connection with the lead screw, an oil injection hole is formed in the nut, and an oil storage groove is formed in the nut; the oil injection hole is communicated with the oil storage tank. According to the technical scheme, the stainless steel ball screw convenient to disassemble and assemble is manufactured, and the ball screw can be disassembled on the supporting plate conveniently; and the lubricating oil can be lubricated and used smoothly.
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Description

Technical Field

[0001] This utility model relates to the field of ball screw technology, and in particular to a stainless steel ball screw that is easy to assemble and disassemble. Background Technology

[0002] A stainless steel ball screw is a transmission component consisting of a screw, nut, and balls. It is typically made of stainless steel and features high precision, reversibility, and high efficiency. Its main function is to convert rotary motion into linear motion or torque into axial reciprocating force. However, the lubrication between the nut and the screw shaft in a typical ball screw is often inadequate, leading to wear on the steel balls. Furthermore, ball screws require external bolts to be fixed to a bracket, which is inconvenient for installation and disassembly. Therefore, we propose a stainless steel ball screw that is easier to install and disassemble. Utility Model Content

[0003] To address the aforementioned problems, this utility model provides a stainless steel ball screw that is easy to assemble and disassemble, thereby resolving the issues raised in the background section.

[0004] This utility model discloses a stainless steel ball screw that is easy to assemble and disassemble, comprising a base plate, a support plate at the upper end of the base plate, a motor fixedly mounted on one side of the support plate, a screw at the output end of the motor, a mounting seat at the end of the screw, the mounting seat being mounted on a fixed seat on the other side of the support plate, a sliding groove on the fixed seat, a sliding rod fixedly mounted in the sliding groove, a first spring mounted on the sliding rod, an arc-shaped locking block movably mounted on the sliding rod, the lower end of the arc-shaped locking block clamping the fixed mounting seat, a nut threadedly connected to the screw, an oil injection hole on the nut, an oil storage groove inside the nut, the oil injection hole communicating with the oil storage groove, a dust plug movably mounted inside the side of the nut, second springs on both sides of the dust plug, and a fixing block connected to the side of the second springs.

[0005] In the above scheme, a positioning groove is provided on the fixed base, and a positioning block is provided at the lower end of the mounting base, and the positioning block is movably disposed in the positioning groove.

[0006] In the above scheme, a plug rod is movably provided inside the fixed base, and a handle is fixedly connected to the outside of the plug rod.

[0007] In the above scheme, a slot is opened inside one side of the arc-shaped card block, the slot matches the insertion rod, and the insertion rod is movably disposed in the slot.

[0008] In the above solution, the dust plug is provided with a sealing rubber ring on the outside.

[0009] In the above scheme, the lower end of the oil storage tank is connected to the ball groove, and the ball groove is fixedly installed on the outside of the ball groove.

[0010] In the above scheme, the fixing block is a top semi-circular block.

[0011] The advantages and beneficial effects of this utility model are as follows: This utility model provides a stainless steel ball screw that is easy to disassemble and assemble. Through the mounting base, positioning block, fixing base, slide rod, first spring, positioning groove, arc-shaped locking block, handle and insert rod, the ball screw can be easily disassembled from the support plate; through the nut, oil injection hole, dust plug, second spring, fixing block and oil reservoir, lubricating oil can be immersed into the ball groove to lubricate the balls in the ball groove, ensuring that the screw can be lubricated and used smoothly during long-term use. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a schematic diagram of part A of the present invention.

[0015] Figure 3 This is a side view of the fixed base structure of this utility model.

[0016] Figure 4 This is a front view of the fixed base structure of this utility model.

[0017] Figure 5 This is a schematic diagram of the nut structure of this utility model.

[0018] Figure 6 This is a schematic diagram of part B of the present invention.

[0019] In the diagram: 1. Base plate; 11. Support plate; 12. Motor; 13. Lead screw; 14. Mounting base; 15. Positioning block; 16. Ball groove; 2. Fixed base; 21. Slide rod; 22. First spring; 23. Positioning groove; 3. Arc-shaped locking block; 31. Slot; 32. Slide groove; 33. Handle; 34. Insert rod; 4. Nut; 41. Oil injection hole; 42. Dust plug; 43. Second spring; 44. Fixed block; 45. Oil reservoir. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0021] like Figure 1-6 As shown, this utility model is a stainless steel ball screw that is easy to assemble and disassemble, including a base plate 1, a support plate 11 at the upper end of the base plate 1, a motor 12 fixedly mounted on one side of the support plate 11, a lead screw 13 at the output end of the motor 12, a mounting seat 14 at the end of the lead screw 13, the mounting seat 14 being mounted on a fixed seat 2 on the other side of the support plate 11, a sliding groove 32 being formed on the fixed seat 2, a sliding rod 21 being fixedly mounted in the sliding groove 32, a first spring 22 being mounted on the sliding rod 21, and an arc-shaped locking block 3 being movably mounted on the sliding rod 21, the lower end of the arc-shaped locking block 3 clamping the fixed mounting seat 14. When the ball screw is installed, the screw 13 is movably mounted in the mounting seat 14 via a bearing. The mounting seat 14 is placed on the fixed seat 2. At this time, the compressed first spring 22 returns to its original state. The first spring 22 can push the arc-shaped locking block 3 to move towards the upper end of the mounting seat 14. The arc-shaped locking block 3 engages with the upper end of the mounting seat 14. Therefore, the fixed seat 2 of the ball screw is installed on the mounting seat 14 of the support plate 11. When it is necessary to disassemble the ball screw, push the arc-shaped locking block 3. The arc-shaped locking block 3 squeezes the first spring 22, and removes the fixed seat 2 from the mounting seat 14, making it convenient to disassemble the ball screw.

[0022] The lead screw 13 is threadedly connected to a nut 4. The nut 4 has an oil injection hole 41 and an oil reservoir 45 inside. The oil injection hole 41 connects to the oil reservoir 45. A dust plug 42 is movably installed inside the side of the nut 4. When lubrication of the lead screw 13 is required, the dust plug 42 is pulled out from one side of the nut 4, and lubricating oil is injected into the oil injection hole 41. The lubricating oil flows into the oil reservoir 45. At this time, the dust plug 42 is inserted into one side of the nut 4, and the extended end of the dust plug 42 can engage with the oil injection hole 41. The dust plug 42 can prevent... External dust entering the oil reservoir 45 can contaminate the lead screw 13. On the other hand, it can prevent the lubricating oil inside the oil reservoir 45 from flowing out from the oil filling hole 41 and the hole where the dust plug 42 is installed during the rotation of the nut 4. The lower end of the oil reservoir 45 is connected to the ball groove 16, and the ball is fixedly installed on the outside of the ball groove 16. When the lubricating oil enters the oil reservoir 45, it is absorbed into the ball groove 16 during the rotation of the lead screw 13, lubricating the ball in the ball groove 16. This ensures that the lead screw 13 can be lubricated and used smoothly during long-term use.

[0023] The dust plug 42 is provided with second springs 43 on both sides, and the second springs 43 are connected to the fixing blocks 44 on the sides. The dust plug 42 is provided with a sealing rubber ring on the outside. The fixing block 44 is a block with a semi-circular top. When the dust plug 42 is inserted into the nut 4, the second springs 43 push the fixing block 44 to engage in the groove opened inside the nut 4, which can ensure that the dust plug 42 is stably engaged in the nut 4 and prevent the dust plug 42 from falling off the nut 4. The semi-circular fixing block 44 can ensure that the dust plug 42 can be pulled out from inside the nut 4.

[0024] In the above scheme, a positioning groove 23 is provided on the fixed seat 2, and a positioning block 15 is provided at the lower end of the mounting seat 14. The positioning block 15 is movably disposed in the positioning groove 23. When the positioning block 15 of the mounting seat 14 is placed in the positioning groove 23, the mounting seat 14 is prevented from rotating in the fixed seat 2 during the process of the arc-shaped locking block 3 limiting the position, thus ensuring the stability of the lead screw 13 during use.

[0025] In the above scheme, a plug rod 34 is movably provided inside the fixed base 2. A handle 33 is fixedly connected to the outside of the plug rod 34. A slot 31 is opened inside one side of the arc-shaped locking block 3. The slot 31 matches the plug rod 34. The plug rod 34 is movably disposed in the slot 31. During the installation of the mounting base 14, the arc-shaped locking block 3 first compresses the second spring 43. The handle 33 pushes the plug rod 34 upward. When the slot 31 moves to the upper end of the plug rod 34, the plug rod 34 is inserted into the slot 31 to lock the arc-shaped locking block 3. After the mounting base 14 is placed on the fixed base 2, the plug rod 34 is moved downward. The compressed first spring 43 pushes the arc-shaped locking block 3 to engage with the mounting base 14, quickly completing the installation of the mounting base 14.

[0026] Working principle:

[0027] This type of easily detachable stainless steel ball screw works as follows: When installing the ball screw, the positioning block 15 of the mounting base 14 is placed in the positioning groove 23. At this time, the compressed first spring 22 returns to its original state, and the first spring 22 can push the arc-shaped locking block 3 to move towards the upper end of the mounting base 14. The arc-shaped locking block 3 engages with the upper end of the mounting base 14, thus installing the ball screw fixing seat 2 on the mounting base 14 of the support plate 11. When it is necessary to disassemble this type of ball screw, the arc-shaped locking block 3 is pushed, and the arc-shaped locking block 3 engages with the first spring 25. Spring 22 is pressed to remove the fixed seat 2 from the mounting seat 14, making it easy to disassemble the ball screw. When the screw 13 needs to be lubricated, the dust plug 42 is pulled out from the nut 4 side and lubricating oil is injected into the oil injection hole 41. The lubricating oil flows into the oil reservoir 45. As the screw 13 rotates, the lubricating oil soaks into the ball groove 16 to lubricate the balls in the ball groove 16, ensuring that the screw 13 can be lubricated and used smoothly during long-term use.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stainless steel ball screw that is easy to assemble and disassemble, comprising a base plate (1), characterized in that, The base plate (1) has a support plate (11) on its upper end. A motor (12) is fixedly mounted on one side of the support plate (11). A lead screw (13) is provided at the output end of the motor (12). A mounting seat (14) is provided at the end of the lead screw (13). The mounting seat (14) is mounted on a fixed seat (2) on the other side of the support plate (11). A sliding groove (32) is provided on the fixed seat (2). A sliding rod (21) is fixedly mounted in the sliding groove (32). A first spring (22) is provided on the sliding rod (21). An arc-shaped locking block (3) is provided on the upper part of the screw rod (13). The lower end of the arc-shaped locking block (3) clamps the fixed mounting base (14). A nut (4) is threaded on the screw rod (13). An oil injection hole (41) is opened on the nut (4). An oil storage groove (45) is opened inside the nut (4). The oil injection hole (41) is connected to the oil storage groove (45). A dust plug (42) is provided on the side of the nut (4). A second spring (43) is provided on both sides of the dust plug (42). A fixing block (44) is connected to the side of the second spring (43).

2. The stainless steel ball screw that is easy to assemble and disassemble according to claim 1, characterized in that, The fixed base (2) has a positioning groove (23), and the mounting base (14) has a positioning block (15) at its lower end. The positioning block (15) is movably disposed in the positioning groove (23).

3. The stainless steel ball screw that is easy to assemble and disassemble according to claim 1, characterized in that, The fixed base (2) is provided with a plug rod (34), and the plug rod (34) is fixedly connected to a handle (33) on the outside.

4. The stainless steel ball screw that is easy to disassemble and assemble according to claim 3, characterized in that, The arc-shaped card block (3) has a slot (31) inside one side. The slot (31) matches the insertion rod (34), and the insertion rod (34) is movably disposed in the slot (31).

5. A stainless steel ball screw that is easy to disassemble and assemble according to claim 1, characterized in that, The dust plug (42) is provided with a sealing rubber ring on the outside.

6. A stainless steel ball screw that is easy to disassemble and assemble according to claim 1, characterized in that, The lower end of the oil storage tank (45) is connected to the ball groove (16), and balls are fixedly installed on the outside of the ball groove (16).

7. A stainless steel ball screw that is easy to disassemble and assemble according to claim 1, characterized in that, The fixing block (44) is a top semi-circular block.