CN220769959U - Turntable bearing retainer - Google Patents
Turntable bearing retainer Download PDFInfo
- Publication number
- CN220769959U CN220769959U CN202322644127.4U CN202322644127U CN220769959U CN 220769959 U CN220769959 U CN 220769959U CN 202322644127 U CN202322644127 U CN 202322644127U CN 220769959 U CN220769959 U CN 220769959U
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- groove
- frame body
- annular frame
- turntable bearing
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- 210000000078 claw Anatomy 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 5
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 229920002530 polyetherether ketone Polymers 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a turntable bearing retainer, comprising: the annular frame body is provided with pockets and elastic grooves at equal intervals along the circumferential direction on one axial end face of the annular frame body, and locking openings are formed in the direction of the end face of the annular frame body in the opening direction of the pockets; the adjacent elastic grooves and pocket locking positions form claw parts; the opposite positions of the pair of claw parts at the locking end of the pocket are respectively provided with a slope surface, one end of each slope surface is excessively connected with the end surface of the annular frame body, the other end of each slope surface is connected with a vertical surface, and the vertical surface is excessively connected with the surface of the pocket; the side wall of each claw part formed in the elastic groove is a vertical surface, and the groove bottom formed in the elastic groove is a horizontal surface; the retainer is reasonable in structural design, the design of the inclined surface with the angle at the inlet is convenient for aligning the steel balls, the steel balls are guided to be smoothly filled into the pockets, and lubricating oil can be ensured to smoothly enter the pockets; the arrangement of the easy-to-mount ball adjusting groove is convenient for the installation of the steel ball and plays a role in reducing weight.
Description
Technical Field
The utility model relates to a turntable bearing retainer, which is applied to CT medical machines, high-speed centrifuges and the like, and belongs to the technical field of high speed of large turntable bearings.
Background
The turntable bearing retainer is used for turntable equipment for producing large fiber tubes, the rotation center diameter of the equipment reaches more than 1 meter, the Dmn value can reach more than 1 meter, the added value of products is high, the technical difficulty is high, and the injection molding range of a domestic injection molding machine is within 1 meter, so that the production of the integral plastic retainer of more than 1 meter is temporarily omitted in China, and the separation precision of the retainer is restricted due to the adoption of the separation blocks and the sectional retainer, so that the bearing cannot reach high rotating speed.
Disclosure of Invention
In view of the fact that the existing domestic injection molding machine cannot meet production requirements within 1 meter, the utility model aims to provide the turntable bearing retainer which has the characteristics of high rotating speed, low noise, low torque and the like by adopting a mechanical processing mode, and further meets the production requirements.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a turntable bearing retainer comprising: the annular frame body is provided with pockets and elastic grooves uniformly spaced along the circumferential direction on one axial end face of the annular frame body, the elastic grooves are formed in the end face between two adjacent pockets, and locking openings are formed in the direction of the end face of the annular frame body, wherein the openings of the pockets face the direction of the end face of the annular frame body; the adjacent elastic grooves and pocket locking positions form claw parts; the opposite positions of the pair of claw parts at the locking end of the pocket are respectively provided with a slope surface, one end of each slope surface is excessively connected with the end surface of the annular frame body, the other end of each slope surface is connected with a vertical surface, and the vertical surface is excessively connected with the surface of the pocket; the side wall of each claw part formed in the elastic groove is a vertical surface, and the groove bottom formed in the elastic groove is a horizontal surface; the side wall of the groove is in a vertical right-angle structure with the groove bottom, and the side wall of the groove is in right-angle transition connection with the end face of the annular frame body;
further, the pocket surface is of an integral arc-shaped surface structure or the pocket bottom is of a plane form;
the structure is provided with the integral arc-shaped pocket hole with the vertical surface locking opening, so that the steel balls are prevented from falling off from the retainer;
furthermore, the inclined surface of the inclined pocket hole is inclined to extend to form a wedge-shaped opening with a large outside and a small inside, and the inclined surface of the wedge-shaped opening is designed to form a guide when the ball is loaded, so that the ball is more convenient to load;
further, the included angle between the extension line of the slope surface and the axial center line of the pocket is 15-20 degrees; the slope surface is provided with an inclined angle, so that the steel ball can be clamped when the ball is arranged, and a certain ball locking function is realized;
further, the inclined angles of the pair of claw parts positioned at the locking port end of the pocket hole relative to the inclined surface on one side are the same and are symmetrically arranged; the neutrality is good, and the stress of the two claw parts is balanced;
further, the elastic groove is an easy-to-mount ball adjusting groove and is used for adjusting the width of the elastic groove; the size specification of the elastic groove is determined according to the size of a specific product and different materials; the size of the elastic groove, namely the deformation degree of the claw part, is adjusted, so that the steel ball can be placed in the pocket hole, and the strength of the claw part can be ensured; meanwhile, the elastic groove also plays a role in weight reduction.
Furthermore, the retainer adopts a machining mode, and the diameter length of the retainer is about 1.4 meters;
furthermore, the retainer is an integral retainer which is molded by PEEK material;
because the retainer is machined and is not formed on one side of injection molding, the size of the locking notch of the pocket can be adjusted after machining, the elastic modulus of each product is different, and the size of the locking notch is adjusted according to the different elastic moduli of specific products;
furthermore, the retainer made of PEEK material has a good self-lubricating effect.
The turntable bearing retainer adopting the structure has the beneficial effects that:
the retainer is reasonable in structural design, and the vertical locking notch has a certain locking amount, so that the steel balls are prevented from falling off the retainer; meanwhile, due to the design of the inclined surface with the angle at the inlet, the steel balls are convenient to align, the steel balls are guided to be smoothly filled into the pockets, and lubricating oil can be ensured to smoothly enter the pockets; the arrangement of the easy-to-mount ball adjusting groove is convenient for the installation of the steel ball and plays a role in reducing weight; the retainer adopts a mechanical processing mode, adopts a retainer made of PEEK material, and has good self-lubricating effect; has the characteristics of high rotating speed, low noise, low torque and the like.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Fig. 2 is a perspective view of the turntable bearing holder of the present utility model.
In the figure, 1, an annular frame body, 2, a pocket hole, 3, an elastic groove, 4, a claw part, 5, a slope surface, 6, a vertical surface, 7, a groove side wall, 8, a groove bottom, 9 and a pocket hole axial center line.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
A turntable bearing holder as shown in fig. 1 and 2, comprising: the annular frame body 1, wherein the annular frame body 1 is provided with pockets 2 and elastic grooves 3 at equal intervals along the circumferential direction on one axial end surface, the elastic grooves 3 are arranged on the end surface between two adjacent pockets 2, and the openings of the pockets 2 form locking openings towards the end surface direction of the annular frame body 1; the adjacent elastic groove 3 and the locking position of the pocket hole 2 form a claw part 4; the opposite positions of the pair of claw parts 4 at the locking end of the pocket 2 are respectively provided with a slope surface 5, one end of each slope surface 5 is excessively connected with the end surface of the annular frame body 1, the other end of each slope surface 5 is connected with a vertical surface 6, and the vertical surfaces 6 are excessively connected with the surface of the pocket 2; the groove side wall 7 of each claw part 4 formed in the elastic groove 3 is a vertical surface, and the groove bottom 8 formed in the elastic groove 3 is a horizontal surface; the groove side wall 7 and the groove bottom 8 are of a vertical right-angle structure, and the groove side wall 7 is in right-angle transition connection with the end face of the annular frame body 1; the surface of the pocket hole 2 is of an integral arc-shaped surface structure;
as other embodiments of the present utility model, the retainer pocket 2 may be in such a way that the pocket bottom is a horizontal plane, the pocket side wall is arc-shaped and excessively connected;
the integral arc-shaped pocket 2 with the vertical surface 6 locking mouth prevents the steel ball from falling off the retainer;
the slope surface 5 obliquely extends to the bottom of the pocket hole 2 to form a wedge-shaped opening with a large outside and a small inside, and the slope surface 5 of the wedge-shaped opening is designed to form a guide when the ball is loaded, so that the ball is more convenient to load;
the included angle between the extension line of the inclined surface 5 and the axial center line 9 of the pocket is 15-20 degrees; the slope surface 5 is provided with an inclined angle, so that the steel ball can be clamped when the ball is assembled, and a certain ball locking function is realized;
the inclination angles of a pair of claw parts 4 positioned at the locking end of the pocket hole 2 relative to a side slope surface 5 are the same and are symmetrically arranged; the neutrality is realized, and the stress of the two claw parts 4 is balanced;
secondly, the elastic groove 3 is an easy-to-mount ball adjusting groove and is used for adjusting the width of the elastic groove 3; the size specification of the elastic groove 3 is determined according to the size of a specific product and different materials; the size of the elastic groove 3, namely the deformation degree of the claw part 4, can be adjusted, so that the steel balls can be arranged in the pocket 2 and the strength of the claw part 4 can be ensured; the ball loading groove of the retainer in the injection molding mode cannot be adjusted; at the same time, the elastic groove 3 also plays a role in weight reduction.
The retainer adopts a machining mode, and the diameter length of the retainer is about 1.4 meters;
the retainer is an integral retainer which is molded by PEEK material;
because the retainer is machined and is not formed on one side of injection molding, the size of the locking notch of the pocket can be adjusted after machining, the elastic modulus of each product is different, and the size of the locking notch is adjusted according to the different elastic moduli of specific products.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Claims (9)
1. A turntable bearing retainer, comprising: the annular frame body is provided with pockets and elastic grooves uniformly spaced along the circumferential direction on one axial end face of the annular frame body, the elastic grooves are formed in the end face between two adjacent pockets, and locking openings are formed in the direction of the end face of the annular frame body, wherein the openings of the pockets face the direction of the end face of the annular frame body; the adjacent elastic grooves and pocket locking positions form claw parts; the opposite positions of the pair of claw parts at the locking end of the pocket are respectively provided with a slope surface, one end of each slope surface is excessively connected with the end surface of the annular frame body, the other end of each slope surface is connected with a vertical surface, and the vertical surface is excessively connected with the surface of the pocket; the side wall of each claw part formed in the elastic groove is a vertical surface, and the groove bottom formed in the elastic groove is a horizontal surface; the side wall of the groove is in a vertical right-angle structure with the groove bottom, and the side wall of the groove is in right-angle transition connection with the end face of the annular frame body.
2. A turntable bearing holder as claimed in claim 1, wherein: the surface of the pocket hole is of an integral arc-shaped surface structure.
3. A turntable bearing holder as claimed in claim 1, wherein: the inclined surface obliquely extends to form a wedge-shaped opening with a large outer part and a small inner part at the bottom of the inclined pocket.
4. A turntable bearing holder as claimed in claim 1, wherein: the included angle between the extension line of the slope surface and the axial center line of the pocket is 15-20 degrees.
5. A turntable bearing holder as claimed in claim 1, wherein: the inclined angles of the pair of claw parts positioned at the locking port end of the pocket hole are the same and are symmetrically arranged relative to the inclined surface on one side.
6. A turntable bearing holder as claimed in claim 1, wherein: the elastic groove is an easy-to-mount ball adjusting groove, and the width of the elastic groove is adjustable.
7. A turntable bearing holder as claimed in claim 6, wherein: the size of the elastic groove is determined according to the size of specific products and different materials.
8. A turntable bearing holder as claimed in claim 1, wherein: the retainer adopts a machining mode and is a large-sized retainer with the diameter and the length of 1.4 meters.
9. A turntable bearing holder as claimed in claim 1, wherein: the retainer is an integral retainer made of PEEK material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322644127.4U CN220769959U (en) | 2023-09-28 | 2023-09-28 | Turntable bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322644127.4U CN220769959U (en) | 2023-09-28 | 2023-09-28 | Turntable bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769959U true CN220769959U (en) | 2024-04-12 |
Family
ID=90617565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322644127.4U Active CN220769959U (en) | 2023-09-28 | 2023-09-28 | Turntable bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769959U (en) |
-
2023
- 2023-09-28 CN CN202322644127.4U patent/CN220769959U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |