Anti-creep guide rail

Abstract

The utility model discloses an anti-creep guide rail, which comprises a base, a guide rail and a guide rail, the first sliding block can linearly slide in the first direction relative to the base; the pin roller retainer assembly is arranged between the base and the first sliding block, and the pin roller retainer assembly comprises a first retainer body, at least two rows of first pin rollers arranged in parallel in the first direction and a first anti-creep unit; first rail grooves are formed in the opposite side walls of the first sliding block and the base, and the two ends of the first roller are limited in the first rail grooves; the first anti-creeping unit comprises a first gear and a first rack, the first gear is axially limited on the first retainer body and rotates in the sliding direction of the first sliding block, and the first rack is arranged on the first sliding block and / or the base and used for being meshed with the first gear; the rolling path of the first gear does not coincide with the rolling path of the first roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to guide rail technical field, in particular to a kind of anti-creep guide rails. BACKGROUND

[0002] The existing anti-creep guide rail is generally realized by single-row retainer and its matched anti-creep gear and rack.In the case of needing multiple-row retainers, there is the problem of multiple retainers out of synchronization, and the installation of misalignment can lead to the reduction of effective movement stroke and the sacrifice of the number of rollers of single-row retainer, which reduces the load capacity.

[0003] How to improve the load capacity of guide rail has become a technical problem to be solved in the industry. SUMMARY

[0004] In order to at least solve the above technical problems, the purpose of the utility model is to provide an anti-creep guide rail, which improves the load capacity.

[0005] In order to achieve the above purpose, the anti-creep guide rail provided by the utility model comprises:

[0006] a base (101);

[0007] a first sliding block (113), which can linearly slide in a first direction relative to the base (101);

[0008] a roller retainer assembly, which is arranged between the base (101) and the first sliding block (113), and comprises a first retainer body (108), at least two rows of first rollers (105) arranged in parallel along the first direction, and a first anti-creep unit;

[0009] first rail grooves (102) are arranged on the opposite side walls of the first sliding block (113) and the base (101), and both ends of the first rollers (105) are limited in the first rail grooves (102);

[0010] The first anti-creep unit comprises a first gear (104) and a first rack (110), the first gear (104) is axially limited on the first retainer body (108), and the first gear (104) rotates along the sliding direction of the first sliding block (113), and the first rack (110) is arranged on the first sliding block (113) and / or the base (101) to engage with the first gear (104);

[0011] The rolling path of the first gear (104) does not coincide with the rolling path of the first rollers (105).

[0012] Further, the first rail grooves (102) comprise a plurality of;

[0013] A plurality of first track grooves (102) are arranged in parallel along a first direction;

[0014] Each first track groove (102) is composed of two groove units arranged with their openings facing each other, and the two groove units are symmetrically arranged on both sides of the first retainer body (108).

[0015] Further, each first track groove (102) is composed of two V-shaped groove units arranged with their openings facing each other.

[0016] Further, a gap is provided between the base (101) and the first slider (113), and the first roller retainer assembly can move in parallel along the first direction in the gap.

[0017] Further, the first gear (104) is arranged between two adjacent rows of first rollers (105);

[0018] The first gear (104) is not less than one.

[0019] Further, at least one first gear (104) is provided between any two adjacent rows of first rollers (105).

[0020] Further, when the first slider (113) and the base (101) are both provided with a first rack (110), the planes in which the two first racks (110) are located are perpendicular to the first retainer (108).

[0021] Further, the first roller (105) includes two rows;

[0022] One row of first rollers (105) matches one first track groove (102);

[0023] The first gear (104) is arranged between the two rows of first rollers (105).

[0024] Further, the first retainer (108) is provided with a plurality of rows of first mounting frames arranged in parallel;

[0025] Each first mounting frame is provided with one first roller (105);

[0026] The first roller (105) is arranged obliquely in the first mounting frame;

[0027] The first roller (105) matches the first mounting frame;

[0028] The adjacent first rollers (105) in the same row are arranged alternately in positive and negative directions;

[0029] The center axes of the adjacent first rollers (105) in the same row are perpendicular to each other.

[0030] Further, it further comprises:

[0031] a second slider (114) capable of linear sliding relative to the base (101) in the first direction;

[0032] a second roller cage assembly disposed between the base (101) and the second slider (114);

[0033] The second roller cage assembly comprises a second cage body (109), at least two rows of second rollers (107) arranged in parallel along the first direction, and a second anti-creep unit;

[0034] Second track grooves are formed on the opposite side walls of the second slider (114) and the base (101), and the two ends of the second rollers (107) are limited in the second track grooves;

[0035] The second anti-creep unit comprises a second gear (106) and a second rack (111), the second gear (106) is axially limited on the second cage body (109), and the second gear (106) rotates with the sliding direction of the second slider (114), and the second rack (111) is arranged on the second slider (114) and / or the base (101) to mesh with the second gear (106);

[0036] The rolling path of the second gear (106) does not coincide with the rolling path of the second roller (107).

[0037] The anti-creep guide rail of the embodiment of the present application improves the load capacity while maintaining the synchronization of multiple rows of rollers by arranging multiple rows of rollers, and further improves the load capacity by avoiding the occupation of the space of the rollers by the gear which is in a non-coaxial relationship with any row of rollers. When the first anti-creep unit and the second anti-creep unit are included, the load capacity is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0038] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and together with the embodiments of the present application, serve to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0039] Figure 1 is a schematic diagram of the anti-creep guide rail structure of the embodiment of the present application;

[0040] Figure 2 is a side view of the anti-creep guide rail of the embodiment of the present application;

[0041] Figure 3 is a side view of the anti-creep guide rail of the embodiment of the present application after removing the base;

[0042] Figure 4 Figure 1A-A' cross-sectional view of the

[0043] Figure 5 is Figure 3 front view of the

[0044] Figure 6 is Figure 3 top view of the

[0045] BRIEF DESCRIPTION OF DRAWINGS

[0046] 101 - base; 102 - first track groove; 103 - fixing screw; 104 - first gear; 105 - first roller; 106 - second gear; 107 - second roller; 108 - first cage body; 109 - second cage body; 110 - first rack; 111 - second rack; 112 - gear groove; 113 - first slider; 114 - second slider. DETAILED DESCRIPTION

[0047] Embodiments of the present application will be described in more detail by referring to the attached drawings. Although certain embodiments of the present application are shown in the drawings, it is understood that the present application can be carried out in various forms and should not be construed as being limited to the embodiments set forth herein; rather, these embodiments are provided so that the present application will be more thoroughly and completely understood. It is understood that the drawings and embodiments of the present application are for illustrative purposes only and are not intended to limit the scope of the present application.

[0048] It is understood that the various steps of the method embodiments of the present application can be performed in different orders and / or in parallel. In addition, the method embodiments can include additional steps and / or omit performing the steps shown. The scope of the present application is not limited in this respect.

[0049] The term "comprising" and variations thereof as used herein are open-ended, that is, "including, but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Related terms are defined in the following description.

[0050] It should be noted that the terms "a" and "an" and "the" and "at least one" used in the present application are used generically and are not to be construed as limiting the present application to single use unless specified otherwise in the context by express language and by context. "A plurality" shall mean two or more.

[0051] Embodiments of the present application will be described in more detail by referring to the attached drawings. Although certain embodiments of the present application are shown in the drawings, it is understood that the present application can be carried out in various forms and should not be construed as being limited to the embodiments set forth herein; rather, these embodiments are provided so that the present application will be more thoroughly and completely understood. It is understood that the drawings and embodiments of the present application are for illustrative purposes only and are not intended to limit the scope of the present application.

[0052] The anti-creep guide rail provided by the embodiments of the present application comprises

[0053] Embodiment 1

[0054] In an exemplary embodiment, the anti-creep guide rail of the present application comprises a base 101.

[0055] In an exemplary embodiment, the anti-creep guide rail of the present application further comprises a first sliding block 113.

[0056] In an exemplary embodiment, the first sliding block 113 can linearly slide in a first direction relative to the base 101.

[0057] In an exemplary embodiment, the first sliding block 113 can be disposed inside the base 101, or can be disposed outside the base 101 according to requirements. The present application is explained and described by taking the example of the first sliding block 113 being disposed inside the base 101.

[0058] In an exemplary embodiment, the anti-creep guide rail of the present application further comprises a first roller retainer assembly.

[0059] In an exemplary embodiment, the first roller retainer assembly is disposed between the base 101 and the first sliding block 113.

[0060] In an exemplary embodiment, a gap is provided between the base 101 and the first sliding block 113, and the first roller retainer assembly can be movably disposed in the gap in parallel along the first direction.

[0061] In an exemplary embodiment, the first roller retainer assembly comprises a first retainer body 108, at least two rows of first rollers 105 disposed in parallel along the first direction, and a first anti-creep unit.

[0062] In an exemplary embodiment, a first track groove 102 is provided on the opposite side wall of the first sliding block 113 and the base 101.

[0063] In an exemplary embodiment, both ends of the first roller 105 are limited in the first track groove 102.

[0064] In an exemplary embodiment, the first track groove 102 comprises a plurality of first track grooves 102, for example, a plurality of first track grooves 102 are provided in the up-down direction, as shown in Figure 1

[0065] In an exemplary embodiment, the plurality of first track grooves 102 are disposed in parallel along the first direction.

[0066] In an exemplary embodiment, each first track groove 102 comprises two groove units with two openings disposed opposite to each other. ​

[0067] In an exemplary embodiment, two groove units are symmetrically arranged on two sides of the first retainer body 108; it can be understood that one groove unit is arranged on the side wall of the base 101 facing the first slider 113 and the side wall of the first slider 113 facing the base 101, and the two groove units are symmetrically arranged on two sides of the first retainer body 108.

[0068] In an exemplary embodiment, each first track groove 102 is composed of two V-shaped groove units arranged opposite to each other.

[0069] In an exemplary embodiment, the first anti-creep unit comprises a first gear 104 and a first rack 110.

[0070] In an exemplary embodiment, the first gear 104 is axially limited on the first retainer body 108.

[0071] In an exemplary embodiment, the first gear 104 rotates with the sliding direction of the first slider 113.

[0072] In an exemplary embodiment, the first rack 110 is arranged on the first slider 113 and / or the base 101.

[0073] In an exemplary embodiment, the first rack 110 is engaged with the first gear 104.

[0074] In an exemplary embodiment, the rolling path of the first gear 104 does not coincide with the rolling path of the first roller 105.

[0075] In an exemplary embodiment, a plurality of first rollers 105 are arranged in parallel on the first retainer body 108, as shown in Figure 2 and Figure 3 .

[0076] In an exemplary embodiment, the first roller 105 has a cylindrical structure.

[0077] In an exemplary embodiment, the first roller 105 can be a metal roller or a ceramic roller as needed.

[0078] In an exemplary embodiment, one row of first rollers 105 is wrapped in each first track groove 102, that is, one row of first rollers 105 matches one first track groove 102.

[0079] In an exemplary embodiment, the first gear 104 is not coaxial with any row of the first rollers 105; it can be understood that the first gear 104 is not in the same row as the first rollers 105, because if the first gear 104 is in the same row as the first rollers 105, the first gear 104 will occupy the space of the first rollers 105, which will result in the number of rollers in the row of the first rollers 105 being reduced, thereby affecting the load force.

[0080] In an exemplary embodiment, the first gear 104 is arranged at the side of the first rollers 105, for example, the first gear 104 is arranged between two adjacent rows of the first rollers 105, as shown in Figure 3 、 Figure 5 .

[0081] In an exemplary embodiment, the first gear 104 is not less than one.

[0082] In an exemplary embodiment, the first rack 110 is arranged at the side of the first cage body 108.

[0083] In an exemplary embodiment, the first rack 110 is arranged at the side of the first cage body 108 facing the first slider 113, as shown in Figure 4 .

[0084] In an exemplary embodiment, a first rack 110 is arranged on the side of the base 101 facing the first cage body 108 as needed, i.e., two first racks 110 can be symmetrically arranged on both sides of the first cage body 108.

[0085] In an exemplary embodiment, when the first slider 113 and the base 101 are both provided with the first rack 110, the planes in which the two first racks 110 are arranged are perpendicular to the first cage body 108.

[0086] In an exemplary embodiment, the first rack 110 is arranged in parallel with the first track groove 102.

[0087] In an exemplary embodiment, the first rack 110 is matched with the first gear 104.

[0088] In an exemplary embodiment, when the first slider 113 drives the first gear 104 to drive the first cage body 108 to move along the extension direction of the first rack 110, the rows of the first rollers 105 move synchronously in the corresponding first track grooves 102.

[0089] In an exemplary embodiment, each first track groove 102 is composed of two open V-shaped groove units arranged opposite to each other; it can be understood that each first track groove 102 is composed of two V-shaped groove units, and the open sides of the two V-shaped groove units are arranged opposite to each other, a gap is arranged between the two V-shaped groove units arranged opposite to each other, and the first retainer body 108 is arranged in the gap; a gear groove 112 is also arranged in the gap, and the gear groove 112 is used to accommodate and limit the movement of the first gear 104.

[0090] In an exemplary embodiment, the first gear 104 is arranged between two adjacent rows of first rollers 105, as shown in Figure 3 .

[0091] In an exemplary embodiment, the first gear 104 is not less than one.

[0092] In an exemplary embodiment, at least one first gear 104 is arranged between any two adjacent rows of first rollers 105.

[0093] In an exemplary embodiment, when there are multiple first gears 104 between two adjacent rows of first rollers 105, the center points of the multiple first gears 104 are connected in parallel with the first rack 110; it can be understood that when there are multiple first gears 104 between two adjacent rows of first rollers 105, the multiple first gears 104 are arranged in the same gear groove 112.

[0094] In an exemplary embodiment, the first roller 105 includes two rows, and the first gear 104 is arranged between the two rows of first rollers 105, as shown in Figure 2 , Figure 3 and Figure 4 .

[0095] In an exemplary embodiment, the first track groove 102 includes two.

[0096] In an exemplary embodiment, the extension direction of the first track groove 102 is parallel to the extension direction of the first rack 110.

[0097] In an exemplary embodiment, the anti-creep guide rail of the present application also includes a second sliding block 114.

[0098] In an exemplary embodiment, the second sliding block 114 can linearly slide relative to the base 101 in parallel with the first direction.

[0099] In an exemplary embodiment, the second slider 114 can be located in the base 101 as the first slider 113, or the second slider 114 and the first slider 113 can be located on two sides of the base 101 according to the requirement. The embodiment of the present application is explained and described by taking the second slider 114 located in the base 101 as an example.

[0100] In an exemplary embodiment, the anti-creep guide rail of the embodiment of the present application further comprises a second roller cage assembly.

[0101] In an exemplary embodiment, the second roller cage assembly is arranged between the base 101 and the second slider 114.

[0102] In an exemplary embodiment, the second roller cage assembly comprises a second cage body 109, at least two rows of second rollers 107 arranged in parallel along the first direction, and a second anti-creep unit.

[0103] In an exemplary embodiment, the second slider 114 and the opposite side wall of the base 101 are provided with a second track groove, and the two ends of the second roller 107 are limited in the second track groove.

[0104] In an exemplary embodiment, the second anti-creep unit comprises a second gear 106 and a second rack 111.

[0105] In an exemplary embodiment, the second gear 106 is axially limited on the second cage body 109.

[0106] In an exemplary embodiment, the second gear 106 rotates along the sliding direction of the second slider 114.

[0107] In an exemplary embodiment, the second rack 111 is arranged on the second slider 114 and / or the base 101 to engage with the second gear 106.

[0108] In an exemplary embodiment, the rolling path of the second gear 106 does not coincide with the rolling path of the second roller 107.

[0109] In an exemplary embodiment, it can be understood that the first roller cage assembly is to ensure the first slider 113 to slide relative to the base 101 in the first direction, and the second roller cage assembly is to ensure the second slider 114 to slide relative to the base 101 in the direction parallel to the first direction. The sliding of the second slider 114 in the direction parallel to the first direction can be understood as the same or opposite direction of the first direction.

[0110] In an exemplary embodiment, the components in the second roller cage assembly have the same functions and structural relationships as the first roller cage assembly, such as Figure 2 ,Figure 3 and Figure 4 as shown.

[0111] In an exemplary embodiment, the second slider 114 is disposed adjacent to the first slider 113, as Figure 1 shown.

[0112] In an exemplary embodiment, the first cage assembly and the second cage assembly are disposed in parallel.

[0113] In an exemplary embodiment, the first cage body 108 is provided with a plurality of first mounting frames disposed in parallel.

[0114] In an exemplary embodiment, the first roller 105 is disposed obliquely in the first mounting frame.

[0115] In an exemplary embodiment, the first roller 105 is matched with the first mounting frame.

[0116] In an exemplary embodiment, one first roller 105 is disposed in each first mounting frame.

[0117] In an exemplary embodiment, adjacent first rollers 105 in the same row are disposed in opposite directions.

[0118] In an exemplary embodiment, the central axes of adjacent first rollers 105 in the same row are perpendicular to each other.

[0119] In an exemplary embodiment, by analogy, the second rollers 107 in the same row are all disposed obliquely in the second mounting frames on the second cage body 109, the second rollers 107 are matched with the second mounting frames, and one second roller 107 is disposed in each second mounting frame.

[0120] In an exemplary embodiment, adjacent second rollers 107 in the same row are disposed in opposite directions, and the central axes of adjacent second rollers 107 in the same row are perpendicular to each other.

[0121] In an exemplary embodiment, the second cage body 109 is disposed in parallel with the first cage body 108.

[0122] In an exemplary embodiment, the second anti-creep unit has two rows of second rollers 107, two second track grooves, and one or two second racks 111.

[0123] In an exemplary embodiment, similarly, the second rack 111 is arranged between two second track grooves arranged in the up-down direction; each second track groove is composed of two V-shaped groove units arranged with their openings facing each other; it can be understood that each second track groove is composed of two V-shaped groove units, and the opening sides of the two V-shaped groove units are arranged facing each other.

[0124] In an exemplary embodiment, a gap is provided between the base 101 and the second slider 114, and the second retainer body 109 is arranged in the gap; a gear groove 112 is also provided in the gap, which is used to accommodate and limit the movement of the second gear 106; it can be understood that the side of the base 101 facing the second retainer body 109 is provided with a gear groove 112, and the side of the second slider 114 facing the second retainer body 109 is also provided with a gear groove 112.

[0125] In an exemplary embodiment, the second gear 106 is arranged between two rows of adjacent second rollers 107, and the number of second gears 106 is not less than one.

[0126] In an exemplary embodiment, when there are multiple second gears 106, the center points of the multiple second gears 106 are connected in a line parallel to the second rack 111; that is, when there are multiple second gears 106, the multiple second gears 106 are arranged in the same gear groove 112.

[0127] In an exemplary embodiment, a fixing screw 103 is arranged at the end of each first track groove 102 and second track groove, which is used to limit the displacement of the first retainer body 108 and the second retainer body 109; that is, the fixing screw 103 limits the first retainer body 108 from escaping from the gap between the first slider 113 and the base 101, and similarly, the fixing screw 103 arranged at the end of the second track groove also limits the second retainer body 109 from escaping from the gap between the second slider 114 and the base 101.

[0128] In an exemplary embodiment, according to the needs, the two first racks 110 and the two second racks 111 are in the same plane, and the plane is perpendicular to the plane in which the first retainer body 108 is located.

[0129] In an exemplary embodiment, when the anti-creep guide rail of the present application includes a first roller retainer assembly and a second roller retainer assembly, at least four rows of rollers are included, i.e., two rows of first rollers 105 and two rows of second rollers 107, which greatly improves the load capacity while maintaining the synchronization of multiple rows of rollers.

[0130] In an exemplary embodiment, since the first gear 104 is in a non-coaxial relationship with any row of first rollers 105, i.e. the rolling path of the first gear 104 does not coincide with the rolling path of the first rollers 105, the first gear 104 avoids occupying the space of the first rollers 105, further improving the load capacity of the first anti-creep unit.

[0131] In an exemplary embodiment, since the second gear 106 is in a non-coaxial relationship with any row of second rollers 107, i.e. the rolling path of the second gear 106 does not coincide with the rolling path of the second rollers 107, the second gear 106 avoids occupying the space of the second rollers 107, further improving the load capacity of the second anti-creep unit.

[0132] In an exemplary embodiment, when the anti-creep guide rail of the present application includes a first roller cage assembly and a second roller cage assembly, when the first slider 113 and the second slider 114 move towards each other, the first cage body 108 and the second cage body 109 are driven to move towards each other; similarly, when the first slider 113 and the second slider 114 move away from each other, the first cage body 108 and the second cage body 109 are driven to move away from each other.

[0133] Although the embodiments of the present application are disclosed as above, the content is only the embodiment adopted for the purpose of facilitating the understanding of the present application, and is not intended to limit the present application. Any person skilled in the art of the present application can make any modification and change in the form and details without departing from the spirit and scope of the present application. The patent protection scope of the present application shall be subject to the scope defined by the appended claims.

Claims

1. A creep resistant guide rail characterized by, Comprising: a base (101); a first slider (113) capable of linear sliding in a first direction relative to the base (101); a roller cage assembly disposed between the base (101) and the first slider (113), the roller cage assembly comprising a first cage body (108), at least two rows of first rollers (105) arranged in parallel along the first direction, and a first anti-creep unit; first track grooves (102) are provided on the opposite side walls of the first slider (113) and the base (101), and the two ends of the first rollers (105) are limited in the first track grooves (102); the first anti-creep unit comprises a first gear (104) and a first rack (110), the first gear (104) is axially limited on the first cage body (108), and the first gear (104) rotates with the sliding direction of the first slider (113), the first rack (110) is provided on the first slider (113) and / or the base (101) to engage with the first gear (104); the rolling path of the first gear (104) does not coincide with the rolling path of the first roller (105).

2. The anti-creep rail of claim 1, wherein, The first track groove (102) comprises a plurality of; a plurality of first track grooves (102) are arranged in parallel along the first direction; each first track groove (102) is composed of two groove units with two openings facing each other, and the two groove units are symmetrically arranged on both sides of the first cage body (108).

3. The anti-creep rail of claim 2, wherein, Each first track groove (102) is composed of two V-shaped groove units with two openings facing each other.

4. The anti-creep rail of claim 1, wherein, A gap is provided between the base (101) and the first slider (113), and the first roller cage assembly can move in parallel along the first direction and be provided in the gap.

5. The anti-creep rail of claim 1, wherein, The first gear (104) is arranged between two rows of first rollers (105); there is not less than one first gear (104).

6. The anti-creep rail of claim 5, wherein, At least one first gear (104) is arranged between any two rows of adjacent first rollers (105).

7. The anti-creep rail of claim 1, wherein, When the first rack (110) is provided on the first slider (113) and the base (101), the planes where the two first racks (110) are located are perpendicular to the first cage body (108).

8. The anti-creep rail of claim 1, wherein, The first roller (105) comprises two rows; one row of first rollers (105) matches one first track groove (102); the first gear (104) is arranged between the two rows of first rollers (105).

9. The anti-creep rail of claim 1, wherein, A plurality of first installation frames are arranged in parallel on the first cage body (108); one first roller (105) is arranged in each first installation frame; the first roller (105) is arranged obliquely in the first installation frame; the first roller (105) matches the first installation frame; adjacent first rollers (105) in the same row are arranged alternately in positive and negative directions; The central axes of the first rollers (105) on the same row are perpendicular to each other.

10. The anti-creep rail of claim 1, wherein, Further comprising: A second slider (114) capable of linear sliding relative to the base (101) in the first direction; A second roller cage assembly arranged between the base (101) and the second slider (114); The second roller cage assembly comprises a second cage body (109), at least two rows of second rollers (107) arranged in parallel along the first direction, and a second anti-creep unit; Second track grooves are arranged on the opposite side walls of the second slider (114) and the base (101), and the two ends of the second rollers (107) are limited in the second track grooves; The second anti-creep unit comprises a second gear (106) and a second rack (111), the second gear (106) is axially limited on the second cage body (109), and the second gear (106) rotates with the sliding direction of the second slider (114), the second rack (111) is arranged on the second slider (114) and / or the base (101) to mesh with the second gear (106); The rolling path of the second gear (106) does not coincide with the rolling path of the second roller (107).

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