Anti-creep crossed roller linear guide rail

By designing a detachable connection structure and gear meshing design for the anti-creep cross roller linear guide, the problems of easy gear detachment and poor cage stability are solved, achieving high-speed stable operation and convenient operation.

CN224032957UActive Publication Date: 2026-03-24DONGGUAN GUANGSHENG PRECISION MACHINERY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing anti-creep cross roller linear guides suffer from problems such as gears easily falling off and poor cage running stability.

Method used

An anti-creep cross roller linear guide was designed, which adopts a detachable connection structure, including an upper slide rail, a lower slide rail, a central assembly, and a cage. The central assembly is provided with gear grooves, roller grooves, and gear shaft grooves. The cage is provided with trapezoidal bosses to clamp the rollers. The rack meshes with the gear to improve the stability of the cage.

Benefits of technology

It improves the stability of high-speed movement, makes the gears less likely to fall off, makes the cage run more stably, supports high-speed and fast-paced operation, and has a simple structure and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of guide rails, in particular to an anti-creep crossed roller linear guide rail. Comprising an upper sliding rail and a lower sliding rail, a center assembly is arranged between the upper sliding rail and the lower sliding rail, the centers of the corresponding faces of the upper sliding rail and the lower sliding rail are each provided with a groove, and racks are arranged in the grooves. The center assembly comprises a retainer, a gear groove and a gear shaft groove perpendicular to the gear groove are formed in the center of the retainer, pin roller grooves are formed in the positions, on the two sides of the gear groove, of the retainer, pin rollers are arranged in the pin roller grooves, a gear is arranged in the gear groove, and a gear shaft is arranged in the gear shaft groove to fix the gear on the retainer. And the adjacent pin roller grooves A and pin roller grooves B on the retainer are in a 90-degree crossed state. And trapezoidal bosses are arranged in the middles of the upper surface and the lower surface of the retainer so as to clamp the pin rollers. Adjacent rectangular holes are formed in the rack, and tooth ridges meshed with the gear are formed in partition parts between the rectangular holes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to guide rail technical field, especially intercrossing crossed roller linear guide rail of anti -creep. BACKGROUND

[0002] The existing anti -creep intercrossing crossed roller linear guide rail has certain drawbacks in use, first, gear easily falls off low strength, second, gear and the operation stability of retainer are poor, and the use process of people has certain unfavorable influence, for this, we propose a kind of anti -creep intercrossing crossed roller linear guide rail. UTILITY MODEL CONTENTS

[0003] The utility model mainly aims at providing a kind of anti -creep intercrossing crossed roller linear guide rail to effectively solve the problem in background art.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of anti -creep intercrossing crossed roller linear guide rail, including upper slide rail, lower slide rail, center component is set in the upper slide rail, lower slide rail middle, recess is set in the center of the corresponding side of the upper slide rail, lower slide rail, recess is all set with rack in.

[0005] Preferably, the center component includes a retainer, a gear slot and a gear shaft slot perpendicular to the gear slot are provided at the center of the retainer, the retainer is provided with a roller groove on both sides of the gear slot, the roller groove is provided with a roller, the gear slot is provided with a gear, and the gear shaft slot is provided with a gear shaft to fix the gear on the retainer.

[0006] Preferably, the adjacent roller groove A and roller groove B on the retainer are in a 90-degree cross state.

[0007] Preferably, a trapezoidal boss is provided on the upper and lower surfaces of the retainer to facilitate clamping the roller.

[0008] Preferably, adjacent rectangular holes are provided on the rack, and the partition part between the rectangular holes forms a tooth ridge engaged with the gear.

[0009] Preferably, the rack is detachably connected to the upper slide rail and the lower slide rail.

[0010] Preferably, the gear and the gear shaft are detachably connected to the retainer.

[0011] Preferably, the center component is detachably connected to the upper slide rail and the lower slide rail.

[0012] The utility model discloses an anti-creep cross roller linear guide rail, which has the advantages of simple structure, convenient operation and better use effect compared with the traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0013] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is the structural disassembly schematic drawing of the utility model.

[0014] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is the sliding rail structure schematic drawing of the utility model.

[0015] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is the rack back structure schematic drawing of the utility model.

[0016] BRIEF DESCRIPTION OF DRAWINGS Figure 4 It is the rack front structure schematic drawing of the utility model.

[0017] BRIEF DESCRIPTION OF DRAWINGS Figure 5 It is the cage three-dimensional structure schematic drawing of the utility model.

[0018] BRIEF DESCRIPTION OF DRAWINGS Figure 6 It is the cage side three-dimensional structure schematic drawing of the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS Figure 7 It is the center component structure schematic drawing of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS Figure 1 In figure 7, the upper sliding rail 1, the rack 2, the cage 3, the roller 4, the gear 5, the lower sliding rail 6, the gear shaft 7, the roller groove A 8, the roller groove B 9, the gear shaft groove 10, the gear groove 10-1, the trapezoidal boss 11, the tooth 12. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 protection scope of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS Figure 1As shown in 7, an anti-worm cross roller linear guide rail comprises an upper slide rail 1, a lower slide rail 6, a center component arranged between the upper slide rail 1 and the lower slide rail 6, and a groove arranged on each of the corresponding sides of the upper slide rail 1 and the lower slide rail 6, wherein a rack 2 is arranged in each groove.

[0023] The center component comprises a retainer 3, wherein a gear groove 10-1 and a gear shaft groove 10 perpendicular to the gear groove 10-1 are arranged in the center of the retainer 3, roller grooves are arranged on both sides of the gear groove 10-1, rollers 4 are arranged in the roller grooves, a gear 5 is arranged in the gear groove 10-1, and a gear shaft 7 is arranged in the gear shaft groove 10 to fix the gear 5 on the retainer 3.

[0024] The adjacent roller grooves A8 and B9 on the retainer 3 are arranged in a 90-degree cross state.

[0025] A trapezoidal boss 11 is arranged in the middle of the upper and lower surfaces of the retainer 3 to facilitate clamping of the rollers.

[0026] The rack 2 is provided with adjacent rectangular holes, and the partition part between the rectangular holes forms a tooth 12 engaged with the gear 5.

[0027] The rack 2 is detachably connected with the upper slide rail 1 and the lower slide rail 6.

[0028] The gear 5 and the gear shaft 7 are detachably connected with the retainer 3.

[0029] The center component is detachably connected with the upper slide rail 1 and the lower slide rail 6.

[0030] Beneficial effects: The anti-worm cross roller linear guide rail increases the built-in rack and pinion to prevent the retainer from being misaligned, improves the stability of high-speed movement, and can be used in mechanisms such as vertical shafts that are difficult to use cross roller linear guide rails, thereby achieving free installation, supporting high-speed and fast-paced operation, improving the stability of the gear in the retainer during operation (the gear is not easy to fall off and has good strength), the rack in the slide rail is engaged with the gear, the stability of the operation is ensured, the entire anti-worm cross roller linear guide rail structure is simple, easy to operate, and the use effect is better than that of the traditional method.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A creep-proof crossed roller linear guide characterized by, Including the upper slide rail (1), the lower slide rail (6), the upper slide rail (1) and the lower slide rail (6) between the center component is provided with;The upper slide rail (1) and the lower slide rail (6) opposite one side center are all set up with recess, two recesses are all equipped with rack (2); The center component includes a retainer (3), the retainer (3) is provided with a gear slot (10-1) in the center, and a gear shaft slot (10) perpendicular to the gear slot (10-1);The retainer (3) is provided with a roller groove on both sides of the gear slot (10-1), and each roller groove is equipped with a roller (4);The gear slot (10-1) is equipped with a gear (5), the gear shaft slot (10) is equipped with a gear shaft (7), the gear shaft (7) is fixed on the retainer (3) with gear (5), and the gear (5) is engaged with the rack (2) on the upper slide rail (1) and the lower slide rail (6) respectively.

2. The anti-creep crossed roller linear guide rail according to claim 1, characterized by, The adjacent roller grooves on the retainer (3) are divided into roller groove A (8) and roller groove B (9), and the roller groove A (8) and the roller groove B (9) are arranged at 90 degrees.

3. The anti-creep crossed roller linear guide rail according to claim 1, characterized by, The middle position of the upper surface and the lower surface of the retainer (3) is provided with a trapezoidal boss (11), and the trapezoidal boss (11) is used for clamping the roller (4).

4. The anti-creep crossed roller linear guide rail according to claim 1, characterized by, The rack (2) is provided with a plurality of adjacent rectangular holes, and the partition part between the adjacent two rectangular holes forms a tooth ridge (12), and the tooth ridge (12) is engaged with the gear (5).

5. The anti-creep crossed roller linear guide rail according to claim 1, characterized by, The rack (2) and the upper slide rail (1) and the lower slide rail (6) are all detachable connection structure.

6. The anti-creep crossed roller linear guide rail according to claim 1, characterized by, The gear (5), the gear shaft (7) and the retainer (3) are all detachable connection structure.

7. The anti-creep crossed roller linear guide rail according to claim 1, characterized by, The center component and the upper slide rail (1) and the lower slide rail (6) are all detachable connection structure.