Splicing type flexible bearing retainer

Abstract

The utility model discloses a spliced flexible bearing retainer, and belongs to the field of retainers. According to the technical scheme, the splicing type flexible bearing retainer is formed by sequentially splicing a plurality of flexible splicing subsections end to end, the front end and the rear end of each flexible splicing subsection are provided with a connecting groove and a connecting block respectively, and the connecting grooves and the connecting blocks can be matched with each other. Locking parts penetrating through the connecting grooves and the connecting blocks are arranged on the flexible splicing subsections; the flexible splicing parts are subjected to standardized design and mass production, when bearings of different models are assembled, only the splicing number of the flexible splicing parts needs to be adjusted, the mold opening number in the production process of the bearing retainer can be greatly reduced, the production cost is reduced, and when the bearing retainer is replaced, the production efficiency is greatly improved. Overall replacement is not needed, and the cost of later maintenance of the bearing is effectively controlled.

Description

Technical Field

[0001] The utility model belongs to the technical field of cages, and in particular relates to a spliced ​​flexible bearing cage. Background Art

[0002] The bearing cage is used to partially wrap all or part of the rolling elements and is a bearing part that moves with it, to isolate the rolling elements, and usually guide the rolling elements and keep them in the bearing. Bearings are commonly used parts in machinery, used to reduce friction resistance during the rotation of the mechanical shaft and ensure rotation accuracy. In the field of photovoltaic power generation, in order to ensure that the photovoltaic panels can receive the maximum amount of light, it is necessary to adjust the direction of the photovoltaic panels in real time according to the sun's angle of illumination. The mechanical structure used to control the rotation angle of the photovoltaic panels includes several bearings.

[0003] Large-scale photovoltaic power generation is generally deployed in open areas, such as deserts. Although this environment is conducive to photovoltaic panels receiving sunlight, the windy and sandy environment in the desert will affect the normal operation of the bearings in the mechanical mechanism used to control the rotation angle of the photovoltaic panels. The wind and sand in the environment will enter the bearing with the air, and the sand will stay in the matching gap between the cage pocket and the ball. During the rotation of the ball, the sand will cause wear on the ball and the inner wall of the cage pocket, increase the friction coefficient between the cage and the ball, and reduce the service life of both. When the bearing is maintained or replaced in the later stage, the cage needs to be replaced as a whole, which increases the maintenance cost, and the cage production needs to be accurately matched with the bearing model. Each model of cage requires a corresponding mold, and the production cost of new signal bearings is relatively high. Utility Model Content

[0004] The utility model provides a spliced ​​flexible bearing retainer to solve at least one of the above technical problems.

[0005] The technical solution adopted by the utility model is:

[0006] A spliced ​​flexible bearing retainer includes a bearing retainer formed by splicing a plurality of flexible splicing sections end to end in sequence, wherein the front and rear ends of the flexible splicing sections are respectively provided with mutually cooperating connecting grooves and connecting blocks, and the flexible splicing sections are provided with locking portions penetrating the connecting grooves and the connecting blocks.

[0007] Preferably, the flexible splicing section comprises a retainer body, a plurality of pockets for accommodating balls are arranged at intervals along the length direction of the retainer body, and the connecting groove and the connecting block are respectively arranged at both ends of the length direction of the retainer body.

[0008] Preferably, bending grooves are provided between adjacent pockets.

[0009] Preferably, the retaining frame body is provided with a first mounting hole passing through the connecting groove, the connecting block is provided with a second mounting hole matching the first mounting hole, the locking portion includes a screw rod, the screw rod passes through the first mounting hole and the second mounting hole, and nuts are threadedly connected at both ends of the screw rod.

[0010] Preferably, the first mounting hole is a stepped hole, and the diameter of the outer end of the first mounting hole is larger than the diameter of the nut and the inner end of the first mounting hole.

[0011] Preferably, the ends of the connection blocks are chamfered.

[0012] Preferably, a plurality of bosses are provided around the pocket, and both ends of each boss have abutment areas abutting against the outer wall of the ball.

[0013] Preferably, a plurality of flanges are arranged around each pocket.

[0014] Preferably, the abutment area abuts against the ball so as to form a plurality of fitting gaps between the pocket and the outer wall of the ball.

[0015] Preferably, the retaining frame body is made of flexible material.

[0016] Due to the adoption of the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0017] 1. In this application, when assembling the bearing, the staff takes a corresponding number of flexible splicing sections according to the different bearing models to form a bearing retainer as a whole. When adjacent flexible splicing sections are spliced, it is necessary to insert the connecting block of the previous flexible splicing section into the connecting groove of the adjacent flexible splicing section, and fix the connecting block and the connecting groove through the locking part. Repeat this step, and connect and fix the several flexible splicing sections taken out in sequence through the locking part, the connecting block, and the connecting groove, and then splice to form a closed-loop bearing retainer overall structure. By adjusting the depth of the connecting block inserted into the connecting groove, the The circumference of the overall structure of the cage is adjusted to make the overall structure of the cage accurately match the inner and outer rings of the bearing, and the flexible splicing sections are standardized in design and mass-produced. When assembling bearings of different types, it is only necessary to adjust the number of splicing of the flexible splicing sections, which can greatly reduce the number of mold openings in the production process of the bearing cage and reduce production costs. Moreover, when replacing the bearing cage, there is no need to replace the entirety of it. It is only necessary to dismantle the severely worn flexible splicing sections and splice new flexible splicing sections of equal length, thereby effectively controlling the cost of later maintenance of the bearing.

[0018] 2. As a preferred embodiment of the utility model, the flexible splicing section includes a cage body, and a plurality of pockets for accommodating balls are arranged at intervals along the length direction of the cage body, and the connecting groove and the connecting block are respectively arranged at both ends of the length direction of the cage body. It should be noted that the number of pockets arranged on each cage body can be varied to increase its ability to adapt to different types of bearings.

[0019] 3. As a preferred embodiment of the utility model, the setting of the bending groove allows the retainer body to be flexibly bent, so that multiple retainer bodies can be spliced ​​and bent into a closed ring. The bending groove and the retainer body are designed in an integrated manner to increase the strength of the overall structure.

[0020] 4. As a preferred embodiment of the present invention, after the connecting block is inserted into the connecting groove, the first mounting hole and the second mounting hole are matched and connected, and then a screw is inserted through the first mounting hole and the second mounting hole to connect the connecting block and the connecting groove as a whole, and then nuts are connected to both ends of the screw, and the screw is locked and fixed to complete the splicing of the two retaining frame bodies. The installation is simple and the connection structure is stable, which ensures the stability of the performance of the bearing retainer formed by splicing.

[0021] 5. As a preferred embodiment of the present invention, the first mounting hole is a stepped hole, and the diameter of the outer end of the first mounting hole is larger than the diameter of the nut and the inner end of the first mounting hole. This design allows the nut to be screwed into the first mounting hole, avoiding the nut being exposed outside the first mounting hole and affecting the assembly of the retainer body.

[0022] 6. As a preferred embodiment of the utility model, the lateral width of the retaining frame body can be increased by setting the boss, and the ball can be limited by four abutment areas formed by two bosses, which can improve the stability of the ball posture. At the same time, the structural strength of the retaining frame body can be increased by setting the boss, and the service life of the retaining frame body can be increased.

[0023] The setting of the matching gap allows air flow to pass through, dissipating heat to the cage body and the balls. In addition, it can also discharge sand that has entered the matching gap to prevent friction between the sand and the balls and the pockets.

[0024] The structure around the pocket hole is strengthened by the flange and the boss, thereby preventing the pocket hole from being deformed. At the same time, the arrangement of the flange is convenient for increasing the strength of the overall structure of the cage body and improving the service life of the cage body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front view of the retainer body in the utility model;

[0026] Figure 2This is a schematic diagram of the connection structure of adjacent retainer bodies of the utility model;

[0027] Figure 3 For this utility model Figure 2 Enlarged view of part A in the middle;

[0028] Figure 4 It is a three-dimensional diagram of the main body of the retainer in the utility model;

[0029] Figure 5 It is a structural schematic diagram of the bearing retainer in the utility model.

[0030] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0031] In the attached picture:

[0032] 1. Cage body; 11. Ball; 2. Pocket hole; 201. Bending groove; 3. Boss; 4. Connecting groove; 401. First mounting hole; 41. Connecting block; 411. Second mounting hole; 42. Screw; 421. Nut; 5. Flange. DETAILED DESCRIPTION

[0033] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0035] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "implementation method", "example", "one embodiment", "example" or "specific example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0038] Reference Figure 1-5 A spliced ​​flexible bearing retainer includes a bearing retainer formed by splicing a plurality of flexible splicing sections end to end in sequence, wherein the front and rear ends of the flexible splicing sections are respectively provided with connecting grooves 4 and connecting blocks 41 that can cooperate with each other, and the flexible splicing sections are provided with locking portions that penetrate the connecting grooves 4 and the connecting blocks 41.

[0039] Those skilled in the art can understand that the bearing cage is used to partially wrap all or part of the rolling elements and is a bearing part that moves with it, to isolate the rolling elements, and usually guide the rolling elements and keep them in the bearing. The bearing is a common application part in machinery, used to reduce the friction resistance during the rotation of the mechanical shaft and ensure the rotation accuracy. As the bearing grows in service, the friction resistance between the components increases due to the wear of the bearing cage and the ball 11 inside it, so the cage and the ball 11 that are severely worn need to be replaced. When assembling the bearing, the staff takes a corresponding number of flexible splicing sections according to the different bearing models and splices them to form the bearing retainer as a whole. When adjacent flexible splicing sections are spliced, it is necessary to insert the connecting block 41 of the previous flexible splicing section into the connecting groove 4 of the adjacent flexible splicing section, and fix the connecting block 41 to the connecting groove 4 through the locking part. Repeat this step, connect and fix the several flexible splicing sections taken out in sequence through the locking part, the connecting block 41, and the connecting groove 4, and then splice to form a closed-loop bearing retainer overall structure. By adjusting the depth of the connecting block 41 inserted into the connecting groove 4, the By fine-tuning the circumference of the overall structure of the cage to make the overall structure of the cage accurately match the inner and outer rings of the bearing, the flexible splicing sections are standardized in design and mass-produced. When assembling bearings of different types, it is only necessary to adjust the number of splicing of the flexible splicing sections, which can greatly reduce the number of mold openings in the production process of the bearing cage and reduce production costs. Moreover, when replacing the bearing cage, there is no need to replace the entirety of it. It is only necessary to disassemble the severely worn flexible splicing sections and splice new flexible splicing sections of equal length, thereby effectively controlling the cost of later maintenance of the bearing.

[0040] As a specific embodiment of the flexible splicing section, refer to Figure 1-5 The flexible splicing section includes a cage body 1, a plurality of pockets 2 for accommodating balls 11 are arranged at intervals along the length direction of the cage body 1, and a connecting groove 4 and a connecting block 41 are respectively arranged at both ends of the length direction of the cage body 1. It should be noted that the number of pockets 2 arranged on each cage body 1 can be varied to increase its ability to adapt to different types of bearings.

[0041] As a preferred embodiment of the present application, refer to Figure 1-2 , a bending groove 201 is provided between adjacent pockets 2. The setting of the bending groove 201 allows the retainer body 1 to be flexibly bent, so that multiple retainer bodies 1 can be spliced ​​and bent into a closed ring. The bending groove 201 and the retainer body 1 are designed in an integrated molding manner to increase the strength of the overall structure.

[0042] As a preferred embodiment of the present application, referring to 1, 3, and 4, a first mounting hole 401 penetrating the connecting groove 4 is provided on the retainer body 1, a second mounting hole 411 cooperating with the first mounting hole 401 is provided on the connecting block 41, and the locking portion includes a screw 42, the screw 42 penetrating the first mounting hole 401 and the second mounting hole 411, and nuts 421 are threadedly connected at both ends of the screw 42. After the connecting block 41 is inserted into the connecting groove 4, the first mounting hole 401 and the second mounting hole 411 are matched and penetrated, and then the screw 42 is inserted through the first mounting hole 401 and the second mounting hole 411 to connect the connecting block 41 with the connecting groove 4 as a whole, and then the nuts 421 are connected to both ends of the screw 42, and the screw 42 is locked and fixed to complete the splicing of the two retainer bodies 1, which is simple to install and has a stable connection structure, thereby ensuring the stability of the performance of the bearing retainer formed by splicing.

[0043] Preferably, the first mounting hole 401 is a stepped hole, and the outer end diameter of the first mounting hole 401 is larger than the inner end diameter of the nut 421 and the first mounting hole 401. This design allows the nut 421 to be screwed into the first mounting hole 401, avoiding the nut 421 being exposed outside the first mounting hole 401 and affecting the assembly of the retainer body 1.

[0044] Furthermore, the end of the connection block 41 is chamfered. This design can play a guiding role in the process of its cooperation with the connection groove 4 and can increase the structural strength of the connection block 41.

[0045] As a specific embodiment of the retainer body 1, refer to Figure 1-5 A plurality of bosses 3 are arranged around the pocket 2, and both ends of each boss 3 have abutment areas abutting against the outer wall of the ball 11. The lateral width of the cage body 1 can be increased by setting the bosses 3, and the ball 11 can be limited by the four abutment areas formed by the two bosses 3, which can improve the stability of the posture of the ball 11. At the same time, the structural strength of the cage body 1 can be increased by setting the bosses 3, and the service life of the cage body 1 can be increased.

[0046] Furthermore, the abutting area abuts against the ball 11 to form a plurality of matching gaps between the pocket 2 and the outer wall of the ball 11. The matching gaps allow airflow to pass through to dissipate heat from the cage body 1 and the ball 11, and can also discharge sand particles that have entered the matching gaps to prevent friction between the sand particles and the ball 11 and the pocket 2.

[0047] Furthermore, a plurality of flanges 5 are provided around each pocket 2, and the structure around the pocket 2 is strengthened by the flanges 5 in cooperation with the bosses 3, thereby preventing the pocket 2 from deforming. At the same time, the provision of the flanges 5 facilitates increasing the strength of the overall structure of the retainer body 1 and improving the service life of the retainer body 1.

[0048] As a preferred example of the present application, the holder body 1 is made of a flexible material, such as a high molecular weight polyethylene material.

[0049] The parts not described in the present invention can be realized by adopting or drawing on the existing technology.

[0050] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0051] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A spliced ​​flexible bearing cage, characterized in that: The bearing retainer is formed by sequentially splicing a plurality of flexible splicing sections end to end, wherein the front and rear ends of the flexible splicing sections are respectively provided with mutually matching connecting grooves (4) and connecting blocks (41), and the flexible splicing sections are provided with locking portions penetrating the connecting grooves (4) and the connecting blocks (41).

2. A spliced ​​flexible bearing retainer according to claim 1, characterized in that: The flexible splicing section comprises a retainer body (1), a plurality of pockets (2) for accommodating balls (11) are arranged at intervals along the length direction of the retainer body (1), and the connecting groove (4) and the connecting block (41) are respectively arranged at two ends of the length direction of the retainer body (1).

3. A spliced ​​flexible bearing retainer according to claim 2, characterized in that: Bending grooves (201) are provided between adjacent pocket holes (2).

4. A spliced ​​flexible bearing retainer according to claim 2, characterized in that: The retainer body (1) is provided with a first mounting hole (401) penetrating the connecting groove (4); the connecting block (41) is provided with a second mounting hole (411) cooperating with the first mounting hole (401); the locking portion comprises a screw rod (42); the screw rod (42) penetrates the first mounting hole (401) and the second mounting hole (411); and nuts (421) are threadedly connected at both ends of the screw rod (42).

5. A spliced ​​flexible bearing retainer according to claim 4, characterized in that: The first mounting hole (401) is a stepped hole, and the diameter of the outer end of the first mounting hole (401) is larger than the diameter of the nut (421) and the inner end of the first mounting hole (401).

6. The spliced ​​flexible bearing retainer according to claim 2, characterized in that: The end of the connecting block (41) is chamfered.

7. The spliced ​​flexible bearing retainer according to claim 2, characterized in that: A plurality of bosses (3) are arranged around the pocket hole (2), and both ends of each boss (3) have abutment areas that abut against the outer wall of the ball (11).

8. The spliced ​​flexible bearing retainer according to claim 7, characterized in that: A plurality of flanges (5) are arranged around each pocket hole (2).

9. The spliced ​​flexible bearing retainer according to claim 7, characterized in that: The abutment area abuts against the ball (11) so as to form a plurality of matching gaps between the pocket hole (2) and the outer wall of the ball (11).

10. A spliced ​​flexible bearing retainer according to any one of claims 2 to 9, characterized in that: The retaining frame body (1) is made of flexible material.

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