Bearing comb-shaped retainer

Abstract

The utility model relates to the technical field of bearing retainers, in particular to a comb-shaped bearing retainer which comprises a bottom ring, a plurality of comb-shaped division bars are arranged at the top end of the bottom ring at equal intervals, a top ring is arranged at the top ends of the comb-shaped division bars, and the top ring, the comb-shaped division bars and the bottom ring are fixedly connected through connecting rods. The bottom ring, the comb-shaped division bars, the top ring, the connecting rods, the hexagon nuts, the loop bars and the rollers are used in cooperation, during installation, the top ring is taken down from the top ends of the comb-shaped division bars, then the loop bars at the top end of the bottom ring are sleeved with the bottom ends of the rollers needing to be installed, and then the loop bars at the bottom end of the top ring are fixedly sleeved with the loop bars at the bottom end of the top ring from the top ends of the rollers. Then the crosshead is inserted from the rod groove in the top end of the top ring until the connecting rod sequentially penetrates through the top ring, the sleeve rod, the rollers and the bottom ring, then the hexagon nut is in threaded connection with the threaded head at the bottom end of the connecting rod, and therefore all the rollers can be fixed at a time.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing retainers, in particular to a bearing comb retainer. Background Art

[0002] A cage, also known as a bearing retainer, is a bearing part that partially wraps all or part of the rolling elements and moves with them to isolate the rolling elements, and usually guides the rolling elements and keeps them in the bearing.

[0003] The specifications of the cage vary according to the shape of the rolling body. When using the cage used to fix the cylindrical roller, it is generally necessary to fix and tighten each roller and the cage in turn. This takes a lot of time during assembly and fixing. For this reason, we propose a bearing comb cage. Utility Model Content

[0004] The purpose of the utility model is to provide a bearing comb-shaped retainer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bearing comb retainer, comprising

[0007] A bottom ring, wherein a plurality of comb-shaped spacers are arranged at equal distances on the top of the bottom ring, a top ring is arranged on the top of the plurality of comb-shaped spacers, and the top ring, the comb-shaped spacers and the bottom ring are fixedly connected by a connecting rod;

[0008] An annular groove is formed at the top of the top ring, an anti-slip mechanism is arranged inside the annular groove, and the anti-slip mechanism comprises a limit ring, a cross groove and a cross head, and the top of the connecting rod is fixedly connected to the cross head.

[0009] Preferably, a plurality of sleeve rods are evenly spaced at the top end of the bottom ring and the bottom end of the top ring, and rollers are sleeved between the bottom ring and the top ring via the sleeve rods;

[0010] Preferably, the top end of the comb-shaped spacer is fixedly connected with an inserting strip, and the lower surface of the bottom end of the top ring is provided with a plurality of slots, and the inserting strips are plugged into the slots;

[0011] Preferably, the connecting rod is movably sleeved between the bottom ring, the top ring, the sleeve rod and the middle part of the roller, the cross head at the top end of the connecting rod is arranged on the upper surface of the annular groove, the bottom end of the connecting rod passes through the bottom ring and is provided with a threaded head, and the external thread of the threaded head is connected with a hexagonal nut;

[0012] Preferably, the inner part of the annular groove is sleeved with a limiting ring, a plurality of cross grooves are provided at equal distances between the top and bottom ends of the limiting ring, and the cross head is clamped with the cross grooves;

[0013] Preferably, a sealing ring is sleeved on the bottom end of the bottom ring, and the sealing ring is sleeved on the hexagonal nut.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. This kind of bearing comb-shaped retainer is used in conjunction with a bottom ring, comb-shaped spacers, a top ring, a connecting rod, a hexagonal nut, a sleeve rod and a roller. During installation, first remove the top ring from the top of several comb-shaped spacers, then put the bottom end of the roller to be installed on the sleeve rod at the top of the bottom ring, then fit the sleeve rod at the bottom end of the top ring through the top of the roller and fix it, then insert the crosshead into the rod groove at the top of the top ring until the connecting rod passes through the top ring, the sleeve rod, the roller and the bottom ring in turn, then thread the hexagonal nut onto the threaded head at the bottom end of the connecting rod, so that all rollers can be fixed at one time.

[0016] 2. This kind of bearing comb retainer is used in combination with a top ring, a limit ring, a cross groove, a cross head, a connecting rod and a hexagonal nut. When using the connecting rod to sleeve and fix the roller, first insert the limit ring from the annular groove at the top of the top ring, and then align each cross groove on the limit ring with the rod groove at the top of the top ring, and then insert the connecting rod from the cross groove at the top of the limit ring until the cross head at the top of the connecting rod is aligned and engaged with the cross groove. When the hexagonal nut tightens and fixes the connecting rod, the cross head is fixed by the cross groove to prevent it from loosening later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connecting rod installation structure of the utility model;

[0019] Figure 3 For this utility model Figure 1 The enlarged schematic diagram of point A in the middle;

[0020] Figure 4 For this utility model Figure 1 The enlarged schematic diagram of point B in the middle;

[0021] Figure 5 For this utility model Figure 2 Enlarged schematic diagram of point C in the middle.

[0022] In the figure: 1. bottom ring; 2. comb-shaped spacer; 3. top ring; 4. connecting rod; 5. annular groove; 6. anti-slip mechanism; 601. limit ring; 602. cross groove; 603. cross head; 7. sleeve rod; 8. roller; 9. insert; 10. slot; 11. threaded head; 12. hexagonal nut; 13. sealing ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0025] like Figure 1-5 As shown, a technical solution provided by the utility model:

[0026] A bearing comb retainer comprises a bottom ring 1, a plurality of comb-shaped spacers 2 are arranged at equal distances on the top of the bottom ring 1, a top ring 3 is arranged on the top of the plurality of comb-shaped spacers 2, and the top ring 3, the comb-shaped spacers 2 and the bottom ring 1 are fixedly connected by a connecting rod 4; an annular groove 5 is provided on the top of the top ring 3, an anti-slip mechanism 6 is arranged inside the annular groove 5, the anti-slip mechanism 6 comprises a limit ring 601, a cross groove 602 and a cross head 603, and the top of the connecting rod 4 is fixedly connected to the cross head 603; a plurality of sleeve rods 7 are arranged at equal distances on the top of the bottom ring 1 and the bottom end of the top ring 3, and a roller 8 is sleeved between the bottom ring 1 and the top ring 3 through the sleeve rod 7; the connecting rod 4 is movably sleeved between the middle parts of the bottom ring 1, the top ring 3, the sleeve rod 7 and the roller 8, the cross head 603 at the top of the connecting rod 4 is arranged on the upper surface of the annular groove 5, the bottom end of the connecting rod 4 passes through the bottom ring 1 and is provided with a threaded head 11, and the external thread of the threaded head 11 is connected with a hexagonal nut 12;

[0027] In this embodiment, during installation, first remove the top ring 3 from the top of the plurality of comb-shaped spacers 2, then put the bottom end of the roller 8 to be installed on the sleeve rod 7 at the top of the bottom ring 1, then sleeve and fix the sleeve rod 7 at the bottom end of the top ring 3 from the top of the roller 8, then insert the cross head 603 into the rod groove at the top of the top ring 3 until the connecting rod 4 passes through the top ring 3, the sleeve rod 7, the roller 8 and the bottom ring 1 in sequence, then thread the hexagonal nut 12 onto the threaded head 11 at the bottom end of the connecting rod 4, so that all the rollers 8 can be fixed at one time.

[0028] like Figure 5 As shown, the top of the comb-shaped spacer 2 is fixedly connected with an insert 9, and the lower surface of the bottom end of the top ring 3 is provided with a plurality of slots 10, and the insert 9 is plugged into the slots 10;

[0029] In this embodiment, when the bottom ring 1 and the top ring 3 are connected and fixed with the roller 8, the insert strip 9 at the top end of the comb-shaped spacer strip 2 will be aligned and snapped into the slot 10 at the bottom end of the top ring 3 to be fixed, thereby achieving the purpose of facilitating quick positioning.

[0030] like Figure 3 As shown, the inner part of the annular groove 5 is sleeved with a limit ring 601, a plurality of cross grooves 602 are provided at equal distances between the top and bottom ends of the limit ring 601, and a cross head 603 is clamped with the cross groove 602;

[0031] In this embodiment, when the connecting rod 4 is used to sleeve and fix the roller 8, the limiting ring 601 is first inserted into the annular groove 5 at the top of the top ring 3, and then each cross groove 602 on the limiting ring 601 is aligned with the rod groove at the top of the top ring 3, and then the connecting rod 4 is inserted from the cross groove 602 at the top of the limiting ring 601 until the cross head 603 at the top of the connecting rod 4 is aligned and engaged with the cross groove 602. When the hexagonal nut 12 tightens and fixes the connecting rod 4, the cross head 603 is limited and fixed by the cross groove 602 to prevent it from loosening later.

[0032] like Figure 4 As shown, a sealing ring 13 is sleeved on the bottom end of the bottom ring 1, and the sealing ring 13 is sleeved on the hexagonal nut 12;

[0033] In this embodiment, when the hexagonal nut 12 is threadedly connected to the threaded head 11 at the bottom end of the connecting rod 4, the sealing ring 13 is then sleeved on the bottom end of the bottom ring 1 and sealed to prevent the hexagonal nut 12 from rusting and corrosion.

[0034] Working principle: During installation, first remove the top ring 3 from the top of several comb-shaped spacers 2, then put the bottom end of the roller 8 to be installed on the sleeve rod 7 at the top of the bottom ring 1, then insert the sleeve rod 7 at the bottom end of the top ring 3 from the top of the roller 8 and fix it, then insert the cross head 603 from the rod groove at the top of the top ring 3 until the connecting rod 4 passes through the top ring 3, the sleeve rod 7, the roller 8 and the bottom ring 1 in turn, then thread the hexagonal nut 12 onto the threaded head 11 at the bottom end of the connecting rod 4, so that all rollers 8 can be fixed at one time When using the connecting rod 4 to sleeve and fix the roller 8, first insert the limiting ring 601 into the annular groove 5 at the top of the top ring 3, and then align each cross groove 602 on the limiting ring 601 with the rod groove at the top of the top ring 3, and then insert the connecting rod 4 from the cross groove 602 at the top of the limiting ring 601 until the cross head 603 at the top of the connecting rod 4 is aligned and engaged with the cross groove 602. When the hexagonal nut 12 tightens and fixes the connecting rod 4, the cross head 603 is limited and fixed by the cross groove 602 to prevent it from loosening later.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bearing comb-shaped retainer, characterized in that: include A bottom ring (1), wherein a plurality of comb-shaped spacers (2) are arranged at equal distances on the top of the bottom ring (1), a top ring (3) is arranged on the top of the plurality of comb-shaped spacers (2), and the top ring (3), the comb-shaped spacers (2) and the bottom ring (1) are fixedly connected via a connecting rod (4); The top end of the top ring (3) is provided with an annular groove (5), the interior of the annular groove (5) is provided with an anti-slip mechanism (6), the anti-slip mechanism (6) comprises a limit ring (601), a cross groove (602) and a cross head (603), and the top end of the connecting rod (4) is fixedly connected to the cross head (603).

2. A bearing comb-shaped retainer according to claim 1, characterized in that: A plurality of sleeve rods (7) are evenly spaced at the top end of the bottom ring (1) and the bottom end of the top ring (3); rollers (8) are sleeved between the bottom ring (1) and the top ring (3) via the sleeve rods (7).

3. A bearing comb-shaped retainer according to claim 1, characterized in that: The top end of the comb-shaped spacer (2) is fixedly connected with an inserting strip (9), and the lower surface of the bottom end of the top ring (3) is provided with a plurality of slots (10), and the inserting strip (9) is plugged into the slots (10).

4. A bearing comb-shaped retainer according to claim 2, characterized in that: The connecting rod (4) is movably sleeved between the bottom ring (1), the top ring (3), the sleeve rod (7) and the middle part of the roller (8); the cross head (603) at the top end of the connecting rod (4) is arranged on the upper surface of the annular groove (5); the bottom end of the connecting rod (4) passes through the bottom ring (1) and is provided with a threaded head (11); the external thread of the threaded head (11) is connected to a hexagonal nut (12).

5. The bearing comb retainer according to claim 1, characterized in that: The inner part of the annular groove (5) is sleeved with a limiting ring (601), a plurality of cross grooves (602) are provided at equal distances between the top and bottom ends of the limiting ring (601), and the cross head (603) is snap-fitted with the cross grooves (602).

6. A bearing comb-shaped retainer according to claim 4, characterized in that: A sealing ring (13) is sleeved on the bottom end of the bottom ring (1), and the sealing ring (13) is sleeved on the hexagonal nut (12).

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