Mounted bearing

Abstract

The utility model relates to the technical field of bearings, in particular to a plummer block, which comprises a casting outer seat, an inner seat, an outer seat and an inner seat, the self-aligning ball bearing main body is mounted in the adaptive cavity, the self-aligning ball bearing main body comprises an outer ring, an inner ring, a retainer with steel balls and a sealing ring, and two symmetrical jackscrew holes are formed in one end of the inner ring; according to the utility model, the positioning of the mounted bearing and the assembly surface is realized through the positioning pin hole reserved in the positioning steel ring, and the arc of the positioning steel ring provides convenience for disassembly and certain aligning capability; the positioning pin hole in the positioning steel ring is aligned with the center height of the bearing, and the plummer block is assembled after the pin is matched with the positioning pin hole, so that the height positioning of the plummer block and an assembly surface can be realized; and meanwhile, the outer arc of the positioning steel ring is matched with the inner side of the casting outer seat, the positioning steel ring can be disassembled and assembled only through axial rotation, disassembly and assembly convenience is provided, and meanwhile certain aligning capacity is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially relates to a bearing with seat. BACKGROUND

[0002] The bearing with seat is usually a kind of transmission parts combined with outer spherical bearing and casting outer seat, which plays the role of supporting rotation, bearing load and simplifying installation in mechanical equipment.

[0003] The existing outer spherical bearing includes bearing outer ring, steel ball, retainer and sealing ring, which is actually deep groove ball bearing, and the bearing inner ring is larger than the deep groove ball bearing inner ring, and the outer spherical bearing is installed in the bearing hole of casting outer seat; since the bearing body is actually deep groove ball bearing, the traditional bearing with seat does not have aligning function, the workpiece shaft is prone to deflection due to overload, which leads to eccentric rotation, increases mechanical vibration, affects transmission efficiency and equipment life, and the casting outer seat has large machining error and does not have assembly positioning function. SUMMARY

[0004] The utility model discloses a bearing with seat to overcome the insufficient of prior art, to solve the technical problem that the existing traditional bearing with seat does not have aligning function, the workpiece shaft is prone to deflection due to overload, which leads to eccentric rotation and the casting outer seat has large machining error and does not have assembly positioning function.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A bearing with seat, comprising:

[0007] A casting outer seat, the middle part of the casting outer seat is provided with an adaptive cavity;

[0008] An aligning ball bearing body, the aligning ball bearing body is installed in the inside of the adaptive cavity, the aligning ball bearing body includes an outer ring, an inner ring, a steel ball retainer and a sealing ring, the inside of one end of the inner ring is provided with two symmetrical top screw holes, and the top screw holes are connected with top screws in the form of internal thread;

[0009] A positioning steel ring, the positioning steel ring is arranged on the outside of the aligning ball bearing body, and the aligning ball bearing body is installed in the inside of the adaptive cavity through the positioning steel ring, the positioning steel ring includes an arc-shaped lower part and an arc-shaped upper part, the arc-shaped lower part and the arc-shaped upper part are oppositely arranged and enclosed into a ring structure, the two ends of the opening of the arc-shaped lower part and the two ends of the opening of the arc-shaped upper part are provided with plug-in mechanisms, and the middle part of the bottom end of the arc-shaped lower part and the middle part of the top end of the arc-shaped upper part are provided with positioning pin holes.

[0010] Further, the middle part of the bottom of the casting outer seat is provided with a mounting hole, and the middle part of the inner bottom wall of the adaptive cavity is provided with a through hole.

[0011] Further, the left end of the cast outer seat is integrally formed with a retaining ring inside and close to one end of the adapter cavity, and the retaining ring is in contact with the arc-shaped lower part and the arc-shaped upper part.

[0012] Further, the other end of the inner ring is provided with double rows of arc-shaped raceways in the middle, the steel ball retainer is adapted to the arc-shaped raceways and is installed therein, and the outer ring is sleeved outside the steel ball retainer.

[0013] Further, the inner side of the outer ring is provided with arc-shaped grooves adapted to the steel ball retainer, and the inner ring is sleeved with two sealing rings inside both ends of the outer ring.

[0014] Further, one end of the inner ring extends out of the right end of the outer ring, and the top screw hole is arranged at the extended end of the inner ring.

[0015] Further, the inner walls of the arc-shaped lower part and the arc-shaped upper part are both provided with arc-shaped mounting grooves, and the outer ring is mounted between the two arc-shaped mounting grooves.

[0016] Further, the inner walls of the arc-shaped mounting grooves are provided with arc-shaped flow channels in the middle, and the arc-shaped lower part and the arc-shaped upper part are both provided with semicircular holes in the middle of the rear side close to each other.

[0017] Further, the semicircular holes are in communication with the corresponding arc-shaped flow channels.

[0018] Further, the plug-in mechanism comprises plug-in columns and plug-in holes, the plug-in columns are plugged into the interiors of the plug-in holes, and the two plug-in columns and plug-in holes on the same side are cross-distributed.

[0019] The utility model discloses beneficial effects:

[0020] The utility model discloses through the positioning pin hole of reserving of positioning steel ring realizes the positioning of bearing with seat and assembly plane, and the arc of positioning steel ring provides the dismantling convenience and certain aligning ability, and the positioning pin hole on the positioning steel ring is with the center height of bearing, and after the cooperation of the pin and the bearing, the assembly of bearing with seat can be carried out, and the height positioning of bearing with seat and assembly plane can be realized, and the outer arc of positioning steel ring forms the cooperation with the inner side of cast outer seat, and only needs to rotate axially to dismantle and assemble the positioning steel ring, provides the dismantling convenience, and also has certain aligning ability, and through the arc-shaped raceway of the outside of outer ring and inner ring, the two rows of steel balls can be installed, and the steel ball can move along the arc, has certain rotation angle, thereby when the outer ring and the inner ring move, the relative angle can be generated, realizes the aligning of the inner ring to workpiece shaft, and improves the bearing capacity of bearing. DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0023] Figure 2 It is another perspective structure schematic diagram of the present application.

[0024] Figure 3 It is an overall cross-sectional structure schematic diagram of the present application.

[0025] Figure 4 It is a casting outer seat three-dimensional structure schematic diagram of the present application.

[0026] Figure 5 It is a positioning steel ring and aligning ball bearing body explosion structure schematic diagram of the present application.

[0027] Explanation of the signs in the figure: 1, casting outer seat; 101, mounting hole; 102, adaptive cavity; 103, through hole; 104, baffle ring; 2, aligning ball bearing body; 201, outer ring; 202, inner ring; 203, steel ball cage; 204, sealing ring; 205, arc-shaped raceway; 206, top screw; 3, arc-shaped lower part; 4, arc-shaped upper part; 5, positioning pin hole; 6, insertion column; 7, insertion hole; 8, arc-shaped flow channel; 9, semicircular hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0029] It should be understood that when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0030] It should also be understood that the terms used herein in the specification and the appended claims are for the purpose of describing particular embodiments and are not intended to be limiting, as the specific scope of the present application is disclosed herein. As used in this specification and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0031] It should also be further understood that the term "and / or" as used herein in the specification and in the claims, unless otherwise specified, means any one of the associated listed items or all possible combinations of the associated listed items.

[0032] Please refer to Figures 1-5 As shown in the figure, a seat bearing, comprising: a cast outer seat 1, the middle part of the cast outer seat 1 is provided with an adaptive cavity 102; the self-aligning ball bearing body 2 is installed inside the adaptive cavity 102, the self-aligning ball bearing body 2 comprises an outer ring 201, an inner ring 202, a steel ball retainer 203 and a sealing ring 204, the inner end of the inner ring 202 is provided with two symmetrical top screw holes, and the top screw holes are internally threadedly connected with top screws 206; a positioning steel ring, the positioning steel ring is arranged on the outer side of the self-aligning ball bearing body 2, and the self-aligning ball bearing body 2 is installed inside the adaptive cavity 102 through the positioning steel ring, the positioning steel ring comprises an arc-shaped lower part 3 and an arc-shaped upper part 4, the arc-shaped lower part 3 and the arc-shaped upper part 4 are oppositely arranged and enclosed to form a ring structure, the two ends of the arc-shaped lower part 3 and the two ends of the arc-shaped upper part 4 are provided with plug-in mechanisms, and the middle part of the bottom end of the arc-shaped lower part 3 and the middle part of the top end of the arc-shaped upper part 4 are provided with positioning pin holes 5.

[0033] In assembly, the alignment ball bearing body 2 is installed first, then the arc-shaped lower part 3 and the arc-shaped upper part 4 of the positioning steel ring are sleeved on the outside of the alignment ball bearing body 2, the insertion column 6 is inserted into the corresponding insertion hole 7, the assembled positioning steel ring and the alignment ball bearing body 2 are installed into the matching cavity 102 in the cast outer seat 1, and the assembly is completed; in use, appropriate pins are inserted into the pin holes on the surface of the workpiece, then the through hole 103 at the bottom of the cast outer seat 1 is adjusted to cooperate with the exposed part of the pin, finally the workpiece shaft is assembled into the inner ring 202 of the alignment ball bearing body 2, finally the top wire 206 is installed into the top wire hole to limit the workpiece shaft, and the axial movement of the workpiece shaft relative to the inner ring 202 is limited; meanwhile, the positioning pin hole 5 reserved on the arc-shaped lower part 3 and the arc-shaped upper part 4 realizes the positioning of the bearing with the assembly surface, the circular arc of the arc-shaped lower part 3 and the arc-shaped upper part 4 provides convenience for disassembly and certain alignment capability; the positioning pin hole 5 on the arc-shaped lower part 3 and the arc-shaped upper part 4 after installation is centered with the center height of the bearing, the eccentric error can be controlled within 0.1mm, the assembly of the cast outer seat 1 after cooperation with the pin can realize the height positioning of the bearing with the assembly surface; the outer circular arc of the arc-shaped lower part 3 and the arc-shaped upper part 4 cooperates with the inner circular arc of the hole of the cast outer seat 1, only axial rotation is needed to disassemble and assemble the positioning steel ring, which provides convenience for disassembly and also has certain alignment capability.

[0034] Specifically, as shown in Figure 4 , the middle part of both ends of the bottom of the cast outer seat 1 is provided with an installation hole 101, and the middle part of the inner bottom wall of the matching cavity 102 is provided with a through hole 103; wherein the matching cavity 102 cooperates with the alignment ball bearing body 2 after the installation of the positioning steel ring, the installation hole 101 can fix the cast outer seat 1, and the through hole 103 at the bottom of the cast outer seat 1 can prevent the positioning pin hole 5 on the positioning steel ring from being blocked.

[0035] Specifically, as shown in Figures 2-4 , the left end of the cast outer seat 1 is integrally formed with a stop ring 104 near the end of the matching cavity 102, and the stop ring 104 contacts the arc-shaped lower part 3 and the arc-shaped upper part 4; the stop ring 104 can increase the stability and reliability of the installation.

[0036] Specifically, as shown in Figure 3 and Figure 5 , the other end of the inner ring 202 is provided with double rows of arc-shaped raceways 205, the steel ball retainer 203 is adapted to the arc-shaped raceways 205 and is installed therein, and the outer ring 201 is sleeved on the outside of the steel ball retainer 203; wherein the outer ring 201 and the arc-shaped raceways 205 on the outside of the inner ring 202 enable the installation of the lower two rows of steel balls and the movement of the steel balls along the arc-shaped raceways 205, and have a certain rotation angle, so that the outer ring 201 and the inner ring 202 can produce a relative angle when moving, realizing the alignment of the inner ring 202 to the workpiece shaft, and improving the carrying capacity of the bearing.

[0037] Specifically, as shown in Figure 2 , Figure 3 and Figure 5 , the inner side of the outer ring 201 is provided with an arc-shaped groove matched with the steel ball retainer 203, and the inner ring 202 is provided with two sealing rings 204, which are respectively located inside the two ends of the outer ring 201; wherein the steel ball retainer 203 can roll between the arc-shaped groove and the arc-shaped raceway 205; the sealing ring 204 can reduce the dust entering the inside of the part and prolong the service life of the part.

[0038] Specifically, as shown in Figure 5 , one end of the inner ring 202 extends out of the right end of the outer ring 201, and the top screw hole is arranged on the extended end of the inner ring 202; wherein the top screw 206 is used for fastening the workpiece shaft to reduce the axial movement.

[0039] Specifically, as shown in Figure 3 and Figure 5 , the inner wall of the arc-shaped lower part 3 and the inner wall of the arc-shaped upper part 4 are both provided with arc-shaped mounting grooves, and the outer ring 201 is mounted between the two arc-shaped mounting grooves; so that the installation of the self-aligning ball bearing body 2 can be preliminarily positioned, which is convenient for installation.

[0040] Specifically, as shown in Figure 5 , the inner wall of the arc-shaped mounting groove is provided with an arc-shaped flow channel 8, and the inner wall of the arc-shaped lower part 3 and the inner wall of the arc-shaped upper part 4 are both provided with a semicircular hole 9.

[0041] Specifically, as shown in Figure 5 , the semicircular hole 9 is in communication with the corresponding arc-shaped flow channel 8; wherein the two semicircular holes 9 can be enclosed to form a circular oil injection hole, and the two arc-shaped flow channels 8 can be enclosed to form a complete circular oil channel.

[0042] Specifically, as shown in Figure 5 , the plug-in mechanism includes a plug-in column 6 and a plug-in hole 7, the plug-in column 6 is inserted into the inside of the plug-in hole 7, and the two plug-in columns 6 and plug-in holes 7 on the same side are cross-distributed; wherein the cross-distributed plug-in column 6 and plug-in hole 7 can improve the stability of the connection between the arc-shaped lower part 3 and the arc-shaped upper part 4.

[0043] In summary, compared with the prior art, the seat bearing has at least the following beneficial effects: the seat bearing and the assembly surface are positioned through the positioning pin hole 5 reserved on the positioning steel ring, the arc of the positioning steel ring provides convenience for disassembly and certain aligning ability; the positioning pin hole 5 on the positioning steel ring is centered with the bearing center height, the assembly of the seat bearing is carried out after the cooperation of the pin and the positioning steel ring, the height positioning of the seat bearing and the assembly surface can be realized; meanwhile, the outer arc of the positioning steel ring and the inner side of the cast outer seat 1 form cooperation, the positioning steel ring can be disassembled and assembled only by axial rotation, convenience for disassembly is provided, and certain aligning ability is also provided; the arc-shaped raceway 205 on the outer side of the outer ring 201 and the inner ring 202 is designed, so that the two rows of steel balls can be installed and the steel balls can move along the arc surface, there is a certain rotation angle, so that the outer ring 201 and the inner ring 202 can generate a relative angle when moving, the aligning of the inner ring 202 to the workpiece shaft is realized, and the bearing carrying capacity is improved.

[0044] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A seated bearing, characterized in that, The application relates to a cast outer seat (1) which is provided with an adapting cavity (102) in the middle part; a self-aligning ball bearing body (2) which is installed in the interior of the adapting cavity (102) and comprises an outer ring (201), an inner ring (202), a steel ball retainer (203) and a sealing ring (204), one end of the inner ring (202) is internally provided with two symmetrical top screw holes, and top screws (206) are threadedly connected in the top screw holes; a positioning steel ring which is arranged on the outer side of the self-aligning ball bearing body (2) and is installed in the interior of the adapting cavity (102) through the positioning steel ring, the positioning steel ring comprises an arc-shaped lower part (3) and an arc-shaped upper part (4), the arc-shaped lower part (3) and the arc-shaped upper part (4) are oppositely arranged and enclosed to form a ring structure, both ends of the arc-shaped lower part (3) and both ends of the arc-shaped upper part (4) are provided with plug-in mechanisms, and the middle part of the bottom end of the arc-shaped lower part (3) and the middle part of the top end of the arc-shaped upper part (4) are provided with positioning pin holes (5). The middle part of both ends of the bottom of the cast outer seat (1) is provided with mounting holes (101), and the middle part of the inner bottom wall of the adapting cavity (102) is provided with a through hole (103). The left end of the cast outer seat (1) is integrally formed with a stop ring (104) which is close to one end of the adapting cavity (102) in the interior, and the stop ring (104) is in contact with the arc-shaped lower part (3) and the arc-shaped upper part (4). The other end of the inner ring (202) is provided with double rows of arc-shaped raceways (205), the steel ball retainer (203) is matched with the arc-shaped raceways (205) and is installed in the arc-shaped raceways (205), and the outer ring (201) is sleeved on the outer part of the steel ball retainer (203).

2. A bearing with seat according to claim 1, characterized in that The inner side of the outer ring (201) is provided with arc-shaped grooves which are matched with the steel ball retainer (203), and the inner ring (202) is sleeved with two sealing rings (204), and the two sealing rings (204) are respectively arranged in the interior of both ends of the outer ring (201).

3. A bearing with seat according to claim 2, characterized in that One end of the inner ring (202) extends out of the right end of the outer ring (201), and the top screw hole is arranged in the extended end of the inner ring (202).

4. A bearing with a seat according to claim 3, characterized in that The inner walls of the arc-shaped lower part (3) and the arc-shaped upper part (4) are provided with arc-shaped mounting grooves, and the outer ring (201) is installed between the two arc-shaped mounting grooves.

5. A bearing with a seat according to claim 4, characterized in that The inner wall of the arc-shaped mounting groove is provided with an arc-shaped flow channel (8), and the middle part of one end of the rear side of the arc-shaped lower part (3) and the arc-shaped upper part (4) which are close to each other is provided with a semicircular hole (9).

6. A bearing with a seat according to claim 5, characterized in that The semicircular hole (9) is communicated with the corresponding arc-shaped flow channel (8).

7. A bearing with a seat according to claim 6, characterized in that The plug-in mechanism comprises plug columns (6) and plug holes (7), the plug columns (6) are plugged into the interior of the plug holes (7), and the plug columns (6) and the plug holes (7) on the same side are cross-distributed.

8. A bearing with a seat according to claim 7, characterized in that ​ 9. A bearing with a seat according to claim 8, characterized in that ​ 10. A bearing with a seat according to claim 9, characterized in that ​

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