CN216045007U - Rolling assembly retainer - Google Patents
Rolling assembly retainer Download PDFInfo
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- CN216045007U CN216045007U CN202121961486.7U CN202121961486U CN216045007U CN 216045007 U CN216045007 U CN 216045007U CN 202121961486 U CN202121961486 U CN 202121961486U CN 216045007 U CN216045007 U CN 216045007U
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- spacing
- rolling element
- spacing piece
- falling
- rolling
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- 238000005096 rolling process Methods 0.000 title claims abstract description 68
- 125000006850 spacer group Chemical group 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rolling assembly retainer, comprising: the number of the anti-pulling strips is two and the anti-pulling strips are parallel; the spacing pieces are multiple in number and fixedly connected to the two tensile belts, the two adjacent spacing pieces limit two ends of the rolling element positioned in the spacing pieces, each spacing piece is provided with a first contact surface and a second contact surface which are in contact with the rolling element, the first contact surface is provided with a first anti-falling surface, the second contact surface is provided with a second anti-falling surface, the first anti-falling surface, the second anti-falling surface and the tensile belts on the same spacing piece are respectively positioned on different sides of the spacing piece, and in the two adjacent spacing pieces, the first anti-falling surface on one spacing piece and the second anti-falling surface on the other spacing piece are oppositely arranged and limit the other two ends of the rolling element. This device simple structure, intensity is high, and toughness is strong, has diversified anti-drop function.
Description
Technical Field
The utility model relates to the field of guiding equipment, in particular to a rolling assembly retainer.
Background
In a linear sliding rail device, in order to make the sliding seat move along the sliding rail more smoothly, rolling elements (such as balls or rollers, etc.) are arranged in the sliding seat, in order to prolong the service life of the rolling elements and reduce the collision and friction between the rolling elements and the rolling elements or between the rolling elements and the sliding seat, the rolling elements of the sliding seat are usually placed in a retainer, and a circulating channel for moving the rolling elements and the retainer is arranged in the sliding seat.
The existing holder has the following defects:
as shown in fig. 1, the two end faces of the spacer 2 are both provided with a spherical groove, so that the retainer cannot be demolded up and down, and the chain belt and the balls (rolling elements) are separated after the pre-embedded steel balls are ejected.
As shown in fig. 2, the link belt does not have a ball (rolling element) drop preventing function; and when the chain belt circularly rotates, the phenomenon that the connecting belt is cracked easily occurs.
As shown in fig. 3, the link belt has only a one-way ball (rolling element) falling prevention function; the connecting belt is easy to generate noise due to friction between the anti-pulling belt and the tensile belt groove because of lack of flexibility when the chain belt circularly rotates.
As shown in fig. 4, injection burrs are easily generated at the spacer 2 during injection molding; the design of the tensile belt 1 with a circular section is easy to break when the chain belt circularly rotates.
Wherein, the tensile belt has the following defects: the difference between the length of the non-flexible section and the length of the flexible section in the anti-pulling belt is large, which easily causes plastic deformation and high frictional resistance of the anti-pulling belt.
The connecting belt has the following defects:
1. the cross-sectional area of the connection between the connection belt and the tensile belt is too large, which results in a large difference in curvature when the tensile belt rotates and a large frictional resistance.
2. The cross-sectional area of the connection between the connecting belt and the tensile belt is too small, so that the retainer is easily broken at the connection during the circulation motion.
The spacing piece has the following defects:
1. the spacing pieces are coated with the rolling elements by spherical surfaces; a large frictional resistance is generated in the circulation motion.
2. The spacing pieces are coated with the rolling elements by spherical surfaces; in the region of the cyclic rotation, a pinching effect occurs.
3. The spacer is formed by covering the rolling element or the middle groove device with a spherical surface; the mold is not easy to be ejected and demolded, and the size of the demolded mold is easy to be deformed.
Disclosure of Invention
In view of the above, it is desirable to provide a rolling unit retainer having a simple structure, high strength, and a multi-directional anti-drop function, which is easy to mold and remove.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a rolling assembly retainer comprising:
the number of the anti-pulling strips is two and the anti-pulling strips are parallel;
the spacing pieces are multiple in number and fixedly connected to the two tensile belts, the two adjacent spacing pieces limit two ends of the rolling element positioned in the spacing pieces, each spacing piece is provided with a first contact surface and a second contact surface which are in contact with the rolling element, the first contact surface is provided with a first anti-falling surface, the second contact surface is provided with a second anti-falling surface, the first anti-falling surface, the second anti-falling surface and the tensile belts on the same spacing piece are respectively positioned on different sides of the spacing piece, and in the two adjacent spacing pieces, the first anti-falling surface on one spacing piece and the second anti-falling surface on the other spacing piece are oppositely arranged and limit the other two ends of the rolling element.
Furthermore, the spacing pieces are fixedly connected with the tensile belts through connecting belts.
Furthermore, the spacing pieces are fixedly connected with the tensile belts through two connecting belts, and a gap is formed between the two connecting belts.
Furthermore, the connecting position between the connecting belt and the tensile belt is positioned at the midpoint between the tensile belt and two adjacent spacing pieces.
Further, the side wall of the connecting band facing to the space between two adjacent spacing pieces is arc-shaped.
Furthermore, the anti-pulling strip, the connecting belt and the spacing pieces are integrally formed.
Furthermore, the cross section of the anti-pulling strip is square.
Furthermore, a first accommodating groove is formed in the first contact surface, a second accommodating groove is formed in the second contact surface, one end of the first accommodating groove is located on the side wall of the spacing piece so that the rolling element can conveniently enter the first accommodating groove along the end of the first accommodating groove, and the first falling-preventing surface forms the inner side wall of the other end of the first accommodating groove; one end of the second containing groove is located on the side wall of the spacing piece so that the rolling element can enter the second containing groove along the end, and the second anti-falling surface forms the inner side wall of the other end of the second containing groove.
Further, the inner wall surface of the first accommodating groove has a shape that is fitted to the outer side wall of the rolling element, and the inner wall surface of the second accommodating groove has a shape that is fitted to the outer side wall of the rolling element.
Furthermore, the joints of the first accommodating groove and the second accommodating groove on the same spacer and the side wall of the spacer are respectively located at opposite ends of the spacer.
Compared with the prior art, the utility model has the following beneficial effects:
1. the structure of the device can be demoulded and formed up and down during injection molding; meanwhile, the anti-falling function of the rolling elements on two sides is realized.
2. The anti-falling surfaces are respectively positioned on the upper end surface and the lower end surface of the spacing piece and are respectively positioned on different sides of the upper end surface and the lower end surface so as to form the maximum anti-falling area and the maximum surface strength.
3. The design of the anti-pulling belt with the square section and the single-side double connecting belt enhances the functions of resisting abrasion in the anti-pulling belt groove and keeping the flexibility of the belt in rotation.
In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic diagram of a first structure of the prior art.
Fig. 2 is a schematic diagram of a second structure of the prior art.
Fig. 3 is a schematic diagram of a third prior art configuration.
Fig. 4 is a schematic diagram of a fourth prior art configuration.
Fig. 5 is a schematic structural diagram of an embodiment of the present invention.
Fig. 6 is a partial structural diagram of an embodiment of the utility model.
FIG. 7 is a top view of an embodiment of the present invention.
Fig. 8 is a sectional view taken along line a-a of fig. 7.
In the figure: 1-a prior art anti-drag strap, 2-a prior art spacer, 3-an anti-drag strap of the present application, 4-a connecting strap, 5-a spacer, 51-a first receiving groove, 52-a first anti-drop surface, 53-a second receiving groove, 54-a second anti-drop surface, 6-a rolling element.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 5, a rolling assembly holder includes an anti-pulling tape 3, a connecting tape 4, and a spacer sheet 5.
Wherein, the tensile belt 3, the connecting belt 4 and the spacing pieces 5 are prepared by adopting an integral injection molding mode.
The quantity of anti stretching strap 3 is two and parallel arrangement, and the cross section of tensile area 3 is square, and the quantity of space stop 5 is a plurality of, and the double-phase relative week lateral wall of space stop 5 is respectively through connecting band 4 and anti stretching strap 3 fixed connection, and wherein, every junction between space stop 5 and the tensile area 3 all is connected through two connecting bands 4, as shown in fig. 6, leaves the clearance between two connecting bands 4 of same junction to increase elasticity. Through the design of the tensile belt 3 with the square section and the double-side double-connection belt 4, the retainer has remarkable functions of resisting abrasion in the groove and keeping the flexibility of the belt in rotation.
In this embodiment, the connection between the connecting band 4 and the tensile band 3 is located at the midpoint between the two adjacent spacing pieces connected by the tensile band. So that the curvature difference value of the anti-pulling belt 3 is small when rotating, and the anti-pulling belt is easy to keep a near-circular curve when the belt is kept circulating in the circulating channel of the sliding seat.
In this embodiment, the side wall of the connecting band 4 facing between two adjacent spacers is arc-shaped. The resistance to plastic deformation of the anti-pull strip 3 or the tie strip 4 is avoided when the rolling element 6 pushes the retainer momentarily.
The anti-pulling strip 3 and the connecting strip 4 limit the left end and the right end of the rolling element 6 between two adjacent spacing pieces.
The two adjacent spacing pieces 5 limit the upper end and the lower end of the rolling element 6 positioned in the spacing pieces, each spacing piece 5 is provided with a first contact surface and a second contact surface which are in contact with the rolling element 6, each first contact surface is provided with a first anti-falling surface 52, each second contact surface is provided with a second anti-falling surface 54, the first anti-falling surfaces, the second anti-falling surfaces and the tensile belts on the same spacing piece are respectively positioned on different sides of the spacing piece, in the two adjacent spacing pieces, the first anti-falling surfaces on one spacing piece and the second anti-falling surfaces on the other spacing piece are oppositely arranged, and limit the other two ends of the rolling element in the spacing pieces; furthermore, the adjacent two spacing pieces, the two anti-falling surfaces on the spacing pieces, the anti-pulling strips and the connecting bands limit the upper, lower, left, right, front and rear ends of the rolling elements.
And the relative design of the first anti-falling surface 52 and the second anti-falling surface 54 in two adjacent spacing pieces makes the installation and the disassembly of the rolling elements relatively easy.
In this embodiment, as shown in fig. 7-8, the first contact surface has a first receiving groove 51 thereon, the second contact surface has a second receiving groove 53 thereon, one end of the first receiving groove 51 is located on the sidewall of the spacer so that the rolling element can enter the first receiving groove along the end, and the first anti-falling surface 52 forms the inner sidewall of the other end of the first receiving groove 51; one end of the second receiving groove 53 is located on the sidewall of the spacer so that the rolling element can enter the second receiving groove along the end, and the second anti-falling surface 54 forms the inner sidewall of the other end of the second receiving groove 53. The inner wall surface of the first accommodation groove 51 has a shape conforming to the outer wall of the rolling element, and the inner wall surface of the second accommodation groove 53 has a shape conforming to the outer wall of the rolling element.
The connecting band 4 and the containing groove together form a ring attached to the peripheral side wall of the rolling element.
The design of the containing groove with the circular arc-shaped cross section forms a semi-coating space for the rolling element between two adjacent spacing pieces, so that the retaining belt can not generate a clamping effect on the rolling element in a rotary area; the smoothness of rolling of the rolling element in the rolling device is ensured, and the rolling friction force borne by the rolling element is effectively reduced; meanwhile, the end part of the anti-falling surface is limited through the anti-falling surface; furthermore, the retainer can be prepared by a method of injection molding by demolding from top to bottom. The ejection demoulding is convenient, and the deformation of the demoulded product can not be caused.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A rolling assembly retainer, comprising:
the number of the anti-pulling strips is two and the anti-pulling strips are parallel;
the spacing pieces are multiple in number and fixedly connected to the two tensile belts, the two adjacent spacing pieces limit two ends of the rolling element positioned in the spacing pieces, each spacing piece is provided with a first contact surface and a second contact surface which are in contact with the rolling element, the first contact surface is provided with a first anti-falling surface, the second contact surface is provided with a second anti-falling surface, the first anti-falling surface, the second anti-falling surface and the tensile belts on the same spacing piece are respectively positioned on different sides of the spacing piece, and in the two adjacent spacing pieces, the first anti-falling surface on one spacing piece and the second anti-falling surface on the other spacing piece are oppositely arranged and limit the other two ends of the rolling element.
2. The rolling assembly retainer of claim 1, wherein: the spacing pieces are fixedly connected with the tensile belts through connecting belts.
3. The rolling assembly retainer of claim 2, wherein: the spacing pieces are fixedly connected with the tensile belts through two connecting belts, and a gap is formed between the two connecting belts.
4. A rolling assembly retainer according to claim 3, wherein: the connecting position between the connecting belt and the tensile belt is positioned at the midpoint between the tensile belt and the two adjacent spacing pieces.
5. A rolling assembly retainer according to claim 3, wherein: the side wall of the connecting band facing to the space between two adjacent spacing pieces is arc-shaped.
6. The rolling assembly retainer of claim 2, wherein: the anti-pulling strip, the connecting strip and the spacing pieces are integrally formed.
7. The rolling assembly retainer of claim 1, wherein: the cross section of the anti-pulling strip is square.
8. The rolling assembly holder according to any one of claims 1 to 7, wherein: the first contact surface is provided with a first accommodating groove, the second contact surface is provided with a second accommodating groove, one end of the first accommodating groove is positioned on the side wall of the spacing piece so that the rolling element can conveniently enter the first accommodating groove along the end, and the first anti-falling surface forms the inner side wall of the other end of the first accommodating groove; one end of the second containing groove is located on the side wall of the spacing piece so that the rolling element can enter the second containing groove along the end, and the second anti-falling surface forms the inner side wall of the other end of the second containing groove.
9. The rolling assembly retainer of claim 8, wherein: the inner wall surface of the first accommodating groove has a shape which is attached to the outer side wall of the rolling element, and the inner wall surface of the second accommodating groove has a shape which is attached to the outer side wall of the rolling element.
10. The rolling assembly retainer of claim 8, wherein: the connecting positions of the first containing groove and the second containing groove on the same spacing piece and the side wall of the spacing piece are respectively positioned at the opposite ends of the spacing piece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020224878945 | 2020-11-02 | ||
| CN202022487894 | 2020-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045007U true CN216045007U (en) | 2022-03-15 |
Family
ID=80620511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121961486.7U Active CN216045007U (en) | 2020-11-02 | 2021-08-20 | Rolling assembly retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045007U (en) |
-
2021
- 2021-08-20 CN CN202121961486.7U patent/CN216045007U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230809 Address after: 341000 South side of Changzheng Avenue, Ruijin Economic and Technological Development Zone, Ganzhou, Jiangxi Province (202, the second floor of Ruijin Tongxiang Real Estate Co., Ltd.) Patentee after: Ruijin Xilong Technology Industry Co.,Ltd. Address before: Room 208-1, 100 Xiangxing Road, Xiamen Torch hi tech Zone (Xiang'an) Industrial Zone, Xiang'an District, Xiamen City, Fujian Province 361000 Patentee before: Wang Jinxiang |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240305 Address after: Room 208-1, No. 100 Xiangxing Road, Xiamen Torch High tech Zone (Xiang'an) Industrial Zone, Xiang'an District, Xiamen City, Fujian Province, 361000 Patentee after: Wang Jinxiang Country or region after: Taiwan, China Address before: 341000 South side of Changzheng Avenue, Ruijin Economic and Technological Development Zone, Ganzhou, Jiangxi Province (202, the second floor of Ruijin Tongxiang Real Estate Co., Ltd.) Patentee before: Ruijin Xilong Technology Industry Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |