CN217301312U

CN217301312U - Waterproof dustproof bearing frame

Info

Publication number: CN217301312U
Application number: CN202123422297.5U
Authority: CN
Inventors: 徐建; 黄碧慧; 赵庄
Original assignee: Nanjing Shuan Intelligent Technology Co Ltd
Current assignee: Nanjing Shuan Intelligent Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-26
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a waterproof and dustproof bearing seat, which belongs to the technical field of mechanical transmission and comprises a bearing seat shell, wherein a rear cover sealing plate is arranged at the back of the bearing seat shell, a rear friction plate is arranged at the front of the bearing seat shell, a roller bearing is arranged in the center of the bearing seat shell in a transition fit manner, a bearing seat fixing waist hole is arranged at the bottom of the bearing seat shell and used for fixing a bearing seat body, a bearing seat side reinforcing rib is arranged at the side of the bearing seat shell and can improve the strength of the bearing seat shell, the rear cover sealing plate is hollow, so that the shaft end surface arranged on an inner ring of the roller bearing can pass over the roller bearing to ensure the normal work of the bearing seat, meanwhile, the rear cover sealing plate is tightly connected with the bearing seat shell to ensure the tightness at the back of the bearing seat shell, the roller bearing comprises an inner ring of the roller bearing, a threaded hole of the inner ring of the roller bearing is arranged in front of the inner ring of the roller bearing, and rollers are embedded outside the inner ring of the roller bearing.

Description

Waterproof dustproof bearing frame

Technical Field

The utility model relates to a mechanical transmission technical field, more specifically say, relate to a waterproof dustproof bearing frame.

Background

The dustproof and waterproof performance of the bearing is very important to the service life and the running stability of the bearing, the dustproof and waterproof performance of the existing bearing seat is completely born by the dustproof covers on two sides of the bearing, the dustproof and waterproof effect is poor, and the dustproof and waterproof durability is low.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a waterproof dustproof bearing frame for solve the technical problem who mentions among the above-mentioned background art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a waterproof dustproof bearing frame, includes the bearing frame shell, the bearing frame shell installs the back lid closing plate at the back, bearing frame shell front mounted has the back friction plate, bearing frame shell central authorities transition fit installs roller bearing, and the fixed waist hole of bearing frame has been seted up to bearing frame shell bottom for fixed mounting bearing frame body, bearing frame shell side are provided with bearing frame side strengthening rib, can make bearing frame shell intensity improve, and the back lid closing plate is cavity shape for install the axle head face at the roller bearing inner race and can cross roller bearing, guarantee the normal work of bearing frame, and simultaneously, back lid closing plate and bearing frame shell zonulae occludens have guaranteed the afterbody leakproofness of bearing frame shell.

Optionally, the roller bearing comprises a roller bearing inner ring, a roller bearing inner ring threaded hole is formed in the front of the roller bearing inner ring, a roller is installed outside the roller bearing inner ring in an embedded mode, a roller bearing outer ring is connected to the outer side of the roller in a sleeved mode, the rear end face of the roller bearing outer ring is in surface contact with the rear cover sealing plate, the roller bearing inner ring threaded hole is used for installing and fixing the line friction plate sealing ring and the line friction plate, and the roller bearing outer ring is axially positioned through surface contact with the rear cover sealing plate.

Optionally, a grain friction plate sealing ring is mounted in front of the roller bearing inner ring, a grain friction plate is mounted on the outer side of the grain friction plate sealing ring, a threaded hole of the roller bearing inner ring is provided with a grain friction plate fixing bolt in the threaded hole of the roller bearing inner ring in a fastening manner through threads, the grain friction plate fixing bolt compresses the grain friction plate and the grain friction plate sealing ring on the front surface of the roller bearing inner ring, the grain friction plate sealing ring is used for ensuring the sealing performance between the grain friction plate and the roller bearing inner ring, and the grain friction plate sealing ring and the grain friction plate rotate together with the roller bearing inner ring.

Optionally, the outer surface of the texture friction plate is provided with a texture friction plate deslagging line, the depth of the deslagging line of the texture friction plate is far smaller than the thickness of the texture friction plate, the inner side of the deslagging line of the texture friction plate is provided with a texture friction plate protruding check ring, the texture friction plate protruding check ring and the texture friction plate are integrally formed, the rear friction plate is in contact with the texture friction plate, the rear friction plate is located behind the texture friction plate, the deslagging line of the texture friction plate is designed to be inclined, when the texture friction plate rotates anticlockwise, fine dust possibly entering between the texture friction plate and the friction substrate is contained in the deslagging line of the texture friction plate, and is extruded and thrown into an oil seepage groove of the friction substrate along with the rotation motion.

Optionally, a friction substrate sealing ring is mounted in front of the rear friction plate, a friction substrate is mounted on the outer side of the friction substrate sealing ring, bearing seat end face threaded holes are formed in the front surface and the rear surface of the bearing seat shell, a friction substrate fixing bolt is fixedly connected in the bearing seat end face threaded hole in front of the bearing seat shell through threads, the friction substrate fixing bolt tightly presses the friction substrate, the friction substrate sealing ring and the rear friction plate on the front surface of the bearing seat shell, and the friction substrate sealing ring is used for guaranteeing the sealing performance of the friction substrate and the bearing seat shell.

Optionally, the inner surface of the friction substrate is in contact with the line friction plate to remove the slag lines, the inner surface of the friction substrate is provided with a friction substrate oil seepage groove, the friction substrate is in contact with the line friction plate protruding check ring and is located in a bearing seat end face threaded hole at the back of the bearing seat shell, a rear cover sealing plate fixing bolt is fixedly connected with the bearing seat end face threaded hole through threads, the rear cover sealing plate fixing bolt presses the rear cover sealing plate on the rear surface of the bearing seat shell, the line friction plate protruding check ring can efficiently prevent water and dust from entering the line friction plate to remove the slag lines, the friction substrate and the rear friction plate clamp the line friction plate in the middle, and meanwhile, micro friction exists among the friction substrate, the rear friction plate and the line friction plate.

Compared with the prior art, the utility model has the advantages of:

(1) in the scheme, the rear cover sealing plate is used for sealing the rear surface of the bearing seat shell, so that the dustproof and waterproof performance of the bearing seat shell is improved, the integrity of the bearing seat shell is improved, and the rear cover sealing plate is hollow, so that a shaft can normally penetrate through the roller bearing;

(2) the line friction plate is used for automatically removing dust which accidentally enters a gap between the friction substrate and the line friction plate by using the line friction plate to remove slag lines, so that the line friction plate is ensured to remove slag lines and the smooth finish and low friction performance of the surface of the friction substrate, and the bearing seat body is enabled to keep long-term dustproof and waterproof capacity.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of the structure of FIG. 2 at F;

FIG. 4 is a schematic view of the axial measurement structure of the present invention;

fig. 5 is a schematic diagram of the explosion structure of the present invention.

The reference numbers in the figures illustrate:

1. a bearing housing; 101. a bearing seat fixing waist hole; 102. a bearing seat side surface reinforcing rib; 103. a threaded hole is formed in the end face of the bearing seat; 2. a roller bearing; 201. an inner race of the roller bearing; 202. a roller; 203. an outer race of the roller bearing; 204. a roller bearing inner ring threaded hole; 3. rubbing the substrate; 301. a friction substrate fixing bolt; 302. the friction substrate oil seepage groove; 4. rubbing the substrate seal ring; 5. a rear friction plate; 6. a grain friction plate; 601. the grain friction plate fixing bolt; 602. the grain friction plate protrudes a retainer ring; 603. the grain friction plate is used for removing slag grains; 7. a line friction plate seal ring; 8. a rear cover sealing plate; 801. and the rear cover sealing plate is fixed with a bolt.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Examples

As shown in fig. 1-5, a waterproof and dustproof bearing seat comprises a bearing seat shell 1, a rear cover sealing plate 8 is installed at the rear of the bearing seat shell 1, a rear friction plate 5 is installed at the front of the bearing seat shell 1, and a roller bearing 2 is installed in the center of the bearing seat shell 1 in a transition fit manner.

In the implementation of this embodiment: the fixed waist hole 101 of bearing frame has been seted up to bearing frame shell 1 bottom for fixed mounting bearing frame body, back lid closing plate 8 is the cavity shape, makes the axle head face of installing at roller bearing inner race 201 can cross roller bearing 2, guarantees the normal work of bearing frame, and simultaneously, back lid closing plate 8 and bearing frame shell 1 zonulae occludens have guaranteed the afterbody leakproofness of bearing frame shell 1.

Specifically, the roller bearing 2 comprises a roller bearing inner ring 201, a roller bearing inner ring threaded hole 204 is formed in the front of the roller bearing inner ring 201, a roller 202 is embedded outside the roller bearing inner ring 201, a roller bearing outer ring 203 is sleeved outside the roller 202, and the rear end face of the roller bearing outer ring 203 is in contact with the inner surface of the rear cover sealing plate 8.

In this embodiment: the roller bearing inner ring threaded hole 204 is used for installing and fixing the line friction plate sealing ring 7 and the line friction plate 6, and the roller bearing outer ring 203 is axially positioned by contacting with the inner surface of the rear cover sealing plate 8.

Specifically, the grain friction plate sealing ring 7 is installed in front of the roller bearing inner ring 201, the grain friction plate 6 is installed outside the grain friction plate sealing ring 7, the roller bearing inner ring threaded hole 204 is formed in the roller bearing inner ring threaded hole 204, the grain friction plate fixing bolt 601 is installed in the roller bearing inner ring threaded hole 204 in a fastening mode through threads, and the grain friction plate fixing bolt 601 tightly presses the grain friction plate 6 and the grain friction plate sealing ring 7 on the front surface of the roller bearing inner ring 201.

In this embodiment: the texture friction plate sealing ring 7 is used for ensuring the sealing performance between the texture friction plate 6 and the roller bearing inner ring 201, and the texture friction plate sealing ring 7 and the texture friction plate 6 rotate together with the roller bearing inner ring 201.

Specifically, the outer surface of the grain friction plate 6 is provided with a grain friction plate deslagging grain 603, the depth of the grain friction plate deslagging grain 603 is far smaller than the thickness of the grain friction plate 6, the inner side of the grain friction plate deslagging grain 603 is provided with a grain friction plate raised retaining ring 602, the grain friction plate raised retaining ring 602 and the grain friction plate 6 are integrally formed, the rear friction plate 5 is in contact with the grain friction plate 6, and the rear friction plate 5 is positioned behind the grain friction plate 6.

In this embodiment: because the streak friction plate slag removal streak 603 is designed to be inclined, when the streak friction plate 6 rotates counterclockwise, fine dust which may enter between the streak friction plate 6 and the friction substrate 3 will be contained in the streak friction plate slag removal streak 603, and will be extruded and thrown into the friction substrate oil-leakage groove 302 along with the rotation motion.

Specifically, a friction substrate sealing ring 4 is installed in front of the rear friction plate 5, a friction substrate 3 is installed outside the friction substrate sealing ring 4, a bearing seat end face threaded hole 103 is formed in the front surface and the rear surface of the bearing seat shell 1, a friction substrate fixing bolt 301 is fixedly connected in the bearing seat end face threaded hole 103 in front of the bearing seat shell 1 through threads, and the friction substrate fixing bolt 301 tightly presses the friction substrate 3, the friction substrate sealing ring 4 and the rear friction plate 5 on the front surface of the bearing seat shell 1.

In this embodiment: the friction substrate seal ring 4 is used for ensuring the sealing performance of the friction substrate 3 and the bearing seat shell 1.

Specifically, the inner surface of the friction substrate 3 contacts with the line friction plate slag discharge lines 603, the inner surface of the friction substrate 3 is provided with a friction substrate oil seepage groove 302, the friction substrate 3 contacts with the line friction plate raised retainer ring 602, a rear cover sealing plate fixing bolt 801 is fixedly connected in a bearing seat end face threaded hole 103 at the back of the bearing seat shell 1 through threads, and the rear cover sealing plate fixing bolt 801 tightly presses the rear cover sealing plate 8 on the rear surface of the bearing seat shell 1.

In this embodiment: the raised retainer ring 602 of the texture friction plate can efficiently prevent water and dust from entering the texture friction plate to remove the slag lines 603, the texture friction plate 6 is clamped between the friction substrate 3 and the back friction plate 5, and meanwhile, small friction exists among the friction substrate 3, the back friction plate 5 and the texture friction plate 6.

The utility model discloses a theory of operation and use flow: when the roller bearing inner ring 201 starts to rotate, the grain friction plate fixing bolt 601 presses the grain friction plate 6 and the grain friction plate sealing ring 7 against the front surface of the roller bearing inner ring 201, so the grain friction plate sealing ring 7 and the grain friction plate 6 rotate together with the roller bearing inner ring 201, the friction substrate fixing bolt 301 presses the friction substrate 3, the friction substrate sealing ring 4 and the rear friction plate 5 against the front surface of the bearing seat shell 1, the friction substrate 3, the friction substrate sealing ring 4 and the rear friction plate 5 are fixed, the grain friction plate 6 simultaneously performs low-friction rotation with the friction substrate 3 and the rear friction plate 5, the sealing performance can be kept when the friction substrate 3 and the grain friction plate 6 rotate relatively, and the grain friction plate deslagging grains 603 can automatically push the dust which accidentally enters the grain friction plate deslagging grains 603 to the friction substrate oil-seeping groove 302.

The above is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a waterproof dustproof bearing frame which characterized in that: including bearing frame shell (1), back lid shrouding (8) are installed to bearing frame shell (1) back, bearing frame shell (1) front mounted has back friction plate (5), roller bearing (2) are installed to bearing frame shell (1) central transition cooperation.

2. The waterproof and dustproof bearing seat according to claim 1, characterized in that: roller bearing (2) are including roller bearing inner race (201), roller bearing inner race screw hole (204) have been seted up in front of roller bearing inner race (201), roller bearing inner race (201) outer embedded installation has roller (202), roller bearing outer race (203) has been cup jointed in the roller (202) outside, roller bearing outer race (203) rear end face and back lid shrouding (8) internal surface contact.

3. The waterproof and dustproof bearing seat according to claim 2, characterized in that: roller bearing inner race (201) front mounted has line friction plate sealing washer (7), line friction plate (6) are installed in line friction plate sealing washer (7) outside, roller bearing inner race screw hole (204), install line friction plate fixing bolt (601) through the screw fastening in roller bearing inner race screw hole (204), line friction plate fixing bolt (601) compress tightly line friction plate (6) and line friction plate sealing washer (7) at roller bearing inner race (201) front surface.

4. A water and dust resistant bearing housing according to claim 3, wherein: line friction plate (6) surface is provided with line friction plate and arranges sediment line (603), the degree of depth that line friction plate arranged sediment line (603) is far less than the thickness of line friction plate (6), line friction plate arranges sediment line (603) inboard and is provided with line friction plate protruding retaining ring (602), line friction plate protruding retaining ring (602) and line friction plate (6) are integrated into one piece, back friction plate (5) contact with line friction plate (6), and back friction plate (5) are located the back of line friction plate (6).

5. The waterproof and dustproof bearing seat according to claim 1, characterized in that: the utility model discloses a bearing frame, including back friction plate (5), friction base plate (3) are installed in the friction base plate sealing washer (4), bearing frame terminal surface screw hole (103) have been seted up to surface around bearing frame shell (1), are located the preceding bearing frame terminal surface screw hole (103) of bearing frame shell (1) and have friction base plate fixing bolt (301) through screw thread fastening connection, friction base plate fixing bolt (301) compress tightly friction base plate (3), friction base plate sealing washer (4) and back friction plate (5) at bearing frame shell (1) front surface.

6. The waterproof and dustproof bearing seat according to claim 5, characterized in that: friction base plate (3) internal surface contacts with line friction plate row sediment line (603), friction base plate oil seepage groove (302) have been seted up to friction base plate (3) internal surface, friction base plate (3) contact with line friction plate protruding retaining ring (602), are located there is back lid closing plate fixing bolt (801) through screw thread fastening connection in bearing frame terminal surface screw hole (103) at the back of bearing frame shell (1), back lid closing plate fixing bolt (801) compress tightly back lid shrouding (8) at bearing frame shell (1) rear surface.