CN217002743U

CN217002743U - Bearing frame assembly that waterproof performance is good and use its vertical machine that moults

Info

Publication number: CN217002743U
Application number: CN202121324528.6U
Authority: CN
Inventors: 鞠全民
Original assignee: Dangshan Shengfeng Food Co ltd
Current assignee: Dangshan Shengfeng Food Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-07-19
Anticipated expiration: 2031-06-15

Abstract

A bearing seat assembly with good waterproof performance comprises a bearing seat, a bearing and a mandrel, wherein the bearing seat comprises a bearing installation cylinder and a connecting bottom support, the connecting bottom support and the bearing installation cylinder are coaxial, the size of the outer ring of the connecting bottom support is larger than that of the outer ring of the bearing installation cylinder, a plurality of connecting bosses are circumferentially arranged on the outer ring of the connecting bottom support and are used for being fixedly connected with a connecting wall of an object to be connected, the bearing is arranged in a cavity of the bearing installation cylinder, the mandrel penetrates through the bearing in the cavity of the bearing installation cylinder, two ends of the mandrel extend out of the bearing seat, one end of the mandrel penetrates through the connecting bottom support and the connecting wall, the device is used for transmitting power to a cavity with liquid, two sealing rings are respectively arranged at the positions, which are positioned at the two sides of the connecting wall, on the mandrel, the waterproof effect of the bearing seat assembly is better due to the arrangement of the two sealing rings, the size of an opening of the connecting wall is matched with the mandrel when the bearing is installed, and the mandrel and the bearing extends into the connecting mode from one end of the bearing seat, the service life of the bearing seat assembly is greatly prolonged.

Description

Bearing frame assembly that waterproof performance is good and use its vertical machine that moults

Technical Field

The utility model relates to the technical field of bearing devices, in particular to a bearing seat assembly with good waterproof performance.

Background

At present, a bearing is used as a main part capable of fixing rotary motion and applied to various mechanical devices, a support point is required to be arranged at a position where the bearing is arranged, an inner support point of the bearing is a shaft, an outer support is a common bearing seat, the bearing seat is used as a main bearing part of the bearing, and the structure of the bearing is gradually improved along with different application environments and modes. When the bearing housing arrangement is used in a liquid-carrying environment, there is a higher demand for the water-proof properties of the bearing housing. Chinese patent CN200620028178.8 just discloses a waterproof bearing room, this waterproof bearing room is applied to on the vertical depilator, one end is stretched into in the depilator and is connected with the dish that moults, the other end is connected with transmission, reach waterproof purpose through setting up waterproof dish and to the gap oiling between waterproof dish and the casing, but this mode is more difficult on the control clearance, and the fat part of annotating can get into the depilating case and pollute the product, the depilating case outer wall of connecting with the device simultaneously, the mounting hole ratio is great, can improve the waterproof degree of difficulty, and the device is more complicated when changing or installing, the practicality is extremely poor, so need an installation and change when more simple in urgent need, and bearing frame that waterproof performance is good.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the existing waterproof bearing seat is difficult to install and complex in structure, and the waterproof difficulty is improved due to the fact that the installation hole is too large, the waterproof bearing seat provided by the utility model is small in installation hole, easy to realize waterproof, simple in structure, convenient to install and replace and extremely high in practicability.

The technical scheme of the utility model is as follows:

the utility model provides a bearing seat assembly with good waterproof performance, which comprises a bearing seat, a bearing and a mandrel, wherein the bearing seat comprises a bearing installation cylinder and a connecting bottom support part, the bearing and the mandrel are positioned in a bearing installation cylinder installation chamber, the connecting bottom support and the bearing installation cylinder are coaxial, and the size of the outer ring of the connecting bottom support is larger than that of the outer ring of the bearing installation cylinder, so that the mounting and the dismounting are convenient.

Furthermore, a plurality of connecting bosses 221 are arranged on the outer ring of the connecting bottom support in the circumferential direction and are used for being fixedly connected with a connecting wall of an object to be connected, so that a certain gap is reserved between the shaft seat and the connecting wall after the device is installed, partial liquid flowing out of the connecting wall can be conveniently thrown away from the shaft seat, and the liquid is prevented from entering the bearing chamber.

Furthermore, a bearing is arranged in the bearing installation cylinder cavity, the mandrel penetrates through the bearing in the bearing installation cylinder cavity, two ends of the mandrel extend out of the bearing seat, one end of the mandrel penetrates through the connecting base and the connecting wall, the two sealing rings are arranged on the mandrels on two sides of the connecting wall respectively and play a main sealing role, and the two sealing rings are arranged on two sides of the connecting wall, so that the sealing performance of the device is improved, and the sealing effect of the device is greatly improved.

According to the bearing seat assembly with good waterproof performance, the two ends of the inner cavity of the bearing installation cylinder are respectively provided with the bearing, the two bearings are coaxially and rotatably connected to the mandrel, the bearing is installed on the mandrel firstly during installation, one end of the bearing seat extends into the bearing installation cylinder, and the other end of the bearing seat extends into the connection mode, so that the coaxiality of the bearing and the mandrel is guaranteed, and the service life of the device is prolonged.

Further, be close to connection collet one end and be equipped with annular platform in the bearing installation barrel intracavity, leave the clearance between annular platform and the adjacent bearing, be equipped with the shaft hole in the middle of connecting the collet, and be equipped with the skeleton oil blanket in the shaft hole, skeleton oil blanket size and mandrel size cooperation are equipped with emollient in the reservation clearance, play a lubricated and sealed effect to the device, and emollient also can protect the skeleton oil blanket simultaneously, reduces the rate of wear of skeleton oil blanket.

Further, connect the shaft hole outside circumference of collet to be equipped with a plurality of sealed holes, sealed hole one end is located the sealing washer cover surface, and the other end is located the bearing top, sealed hole can be opened or sealed according to the user demand, when opening, conveniently toward filling emollient in foretell reservation clearance, and when needs change bearing, can use and seal hole matched with rigidity piece will be close to the bearing of connecting the collet and smash a bearing installation section of thick bamboo, be encapsulated situation during normal use.

The bearing seat assembly with good waterproof performance is characterized in that a first sealing ring is arranged on the outer side, where the mandrel penetrates through the connecting wall, of the mandrel, the first sealing ring comprises a first water retaining ring, a first attaching portion, an extending portion and a first bending portion, the thickness of the first water retaining ring is largest, a hole is formed in the center of the first water retaining ring, the first attaching portion and the first bending portion are located on the outer side of the first water retaining ring, the first bending portion is located on the upper portion of the first attaching portion, the first attaching portion and the first bending portion are arranged in a downward inclined mode, the first attaching portion is a straight line, the first bending portion is arc-shaped, the circle center of the first attaching portion faces upwards, and the tail end of the first attaching portion is connected through the extending portion.

Furthermore, a groove for installing a first sealing ring is formed in the mandrel, the width of the groove is the same as the thickness of the first water retaining ring, the diameter of the groove is matched with the size of the opening of the first water retaining ring, the first water retaining ring is clamped and connected to the mandrel, and the waterproof effect of the device is improved.

Furthermore, the decurrent design of first laminating portion slope makes first sealing washer because the squeezing action of mandrel upper groove will in the installation first laminating portion elasticity laminating is to the connecting wall up end, simultaneously first flexion is upwards the curl under the effect of squeezing force, and the ascending circular arc design in centre of a circle both guarantees that first flexion is not fragile when the curl, can guarantee again simultaneously to produce the squeezing action to first laminating portion, and the design of cooperation extension makes first sealing washer is inseparabler with the connecting wall laminating, improves waterproof performance.

As above a bearing frame assembly that waterproof performance is good, the cover has the second sealing washer on the mandrel of annular platform up end, the second sealing washer includes second water retaining ring, second laminating portion and second flexion, second water retaining ring thickness is the biggest, and the center trompil, second laminating portion and second flexion are located the second water retaining ring outside, the second flexion is located second laminating portion upper portion, and both downward sloping are arranged, second laminating portion is the straight line, the second flexion is the arc, and the centre of a circle up, the outer lane with second laminating portion is connected.

Furthermore, a groove for installing a second sealing ring is formed in the mandrel, the width of the groove is the same as the thickness of the second water retaining ring, the groove is the same as the height of the connecting boss 221, the diameter of the groove is matched with the size of the opening of the second water retaining ring, the second water retaining ring is connected to the mandrel in a clamping mode, and the waterproof effect of the device is improved.

Further, the design that the second laminating portion inclines downwards makes the second sealing washer will in the installation because the extrusion of mandrel upper groove and connection wall the second laminating portion elasticity is laminated between annular bench terminal surface and the connection wall, simultaneously the second flexion is upwards rolled up under the effect of extrusion, and the ascending circular arc design of centre of a circle both guarantees that the second flexion is not fragile when the roll-up, can guarantee again simultaneously to produce the extrusion to second laminating portion, makes the second sealing washer is inseparabler with the laminating of annular bench, improves waterproof performance.

Furthermore, the outer rings of the water retaining rings of the two sealing rings are connected with the attaching portion through the connecting portion, and the gap is formed between the connecting portion and the water retaining ring, so that the attaching portion cannot be damaged due to bending when being elastically attached in a bending mode, the depth of the gap portion is smaller than the thickness of the 1/3 water retaining ring, and when the depth of the gap is too large, the strength of the sealing rings can be reduced.

The utility model provides an use vertical unhairing machine of bearing frame assembly that waterproof performance is good, includes frame, unhairing case and power unit, the unhairing incasement is equipped with the rubber claw for the unhairing, the bearing frame assembly is installed unhairing case outside one end, just bearing frame assembly one end is connected with power unit, and one end and incasement unhairing claw are connected, the unhairing case open have with mandrel complex shaft hole sets up the sealing washer on the mandrel of shaft hole both sides, when improving waterproof performance, has also guaranteed the work efficiency of unhairing machine.

The utility model has the beneficial effects that: the utility model relates to a bearing seat assembly with good waterproof performance, which is mainly applied to transmitting power into a cavity with liquid, the size of an opening of a connecting wall is matched with that of a mandrel during installation, compared with the traditional bearing seat, the smaller opening enables the device to be more waterproof and simpler, meanwhile, the mandrels on the inner side and the outer side of the connecting wall are respectively provided with a sealing ring, the arrangement of double sealing rings enables the bearing seat assembly to be better in waterproof effect, the device is simple in structure and more convenient to install, the mandrel and a bearing extend into the connection mode from one end of the bearing seat, the service life of the bearing seat assembly is greatly prolonged, meanwhile, the design of a sealing hole and a lubricant cavity ensures the operation efficiency of the device, the bearing can be conveniently replaced, and the practicability is extremely strong.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a schematic structural view of a bearing seat assembly in an embodiment;

FIG. 2 is a schematic structural diagram of a first seal ring in the example;

FIG. 3 is a schematic structural view of a second seal ring according to an embodiment;

FIG. 4 is a schematic view of the position of the mounting barrel and the connecting shoe in the embodiment;

FIG. 5 is a schematic structural diagram of a bearing seat in the embodiment;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a schematic view of a waterproof connecting bolt according to an embodiment;

the components represented by the reference numerals in the figures are:

1. throwing disc, 2, bearing seat, 21, bearing installation cylinder, 211, clamping groove, 22, connection bottom support, 221, connection boss, 222, connection hole, 223, sealing hole, 224, annular table, 3, mandrel, 4, belt wheel, 5, first bearing, 6, second bearing, 7, first sealing ring, 71, first water retaining ring, 72, first gap, 73, first connection part, 74, first attaching part, 75, extension part, 76, first bending part, 8, second sealing ring, 81, second water retaining ring, 82, second gap, 83, second connection part, 84, second attaching part, 85, second bending part, 9, framework oil seal, 10, elastic retainer ring, 11, waterproof connection bolt, 111, bolt head, 112, rubber gasket, 113, screw rod, 114, nut

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure may be understood more completely and will fully convey the scope of the disclosure to those skilled in the art, which can be embodied in various forms without being limited to the embodiments set forth herein.

Examples

In this embodiment, a bearing frame assembly that waterproof performance is good, refer to fig. 1 and fig. 4, including bearing frame 2, bearing and mandrel 3, bearing frame 2 includes bearing installation section of thick bamboo 21 and connects collet 22 part, bearing installation section of thick bamboo 21 and connection collet 22 are cylindrical structure, just bearing installation section of thick bamboo 21 is hollow structure, it is located bearing installation section of thick bamboo 21 one end and coaxial with bearing installation section of thick bamboo 21 to connect collet 22, bearing and mandrel 3 are located in bearing installation section of thick bamboo 21 hollow installation is indoor, and connects collet 22 outer lane size and be greater than bearing installation section of thick bamboo 21 outer lane size, easy to assemble and dismantlement.

Further, combine fig. 5, connection collet 22 outer lane circumference is equipped with four connection boss 221, and connects the boss 221 middle and all is equipped with connecting hole 222, with waterproof connecting bolt 11 with its and the wall fixed connection of waiting to be connected the object, combine fig. 7, waterproof connecting bolt 11 waterproof bolt head 111 is located the one side that the bearing frame 2 was kept away from to the connecting wall, and screw rod 113 part passes connecting wall and connecting hole 222, screws up with nut 114, and is equipped with rubber packing ring 112 between waterproof bolt head 111 and the connecting wall, the back is installed to the bearing frame assembly, reserves certain clearance between axle bed and the connecting wall, and the part liquid that conveniently will follow the connecting wall outflow throws away from the axle bed, prevents that liquid from getting into the bearing room.

Further, be equipped with two bearings in the 21 intracavity of bearing installation section of thick bamboo, the bearing outer lane with the cooperation of 21 inner chambers of bearing installation section of thick bamboo, and be located respectively bearing installation sleeve inner chamber both ends are close to connecting collet 22 for first bearing 5, keep away from connecting collet 22 for second bearing 6, preferably, the bearing is deep groove ball bearing, spindle 3 passes two bearings in 21 intracavity of bearing installation section of thick bamboo, and both ends stretch out bearing frame 2, wherein one end is passed and is connected collet 22 and connecting wall be equipped with a sealing washer on the spindle 3 of connecting wall both sides respectively, play main sealing effect, and the sealing washer is equipped with two in both sides, has increased the leakproofness of device, has improved the sealed effect of device greatly.

In this embodiment, two coaxial rotation of bearing are connected on the mandrel 3, install the bearing on the mandrel 3 earlier during the installation, keep away from connecting collet 22 one end by bearing installation section of thick bamboo 21 again and stretch into in the bearing installation section of thick bamboo 21, and the mandrel 3 diameter between two bearings is greater than the bearing inner circle diameter for restrict the bearing displacement, the mode of connection is stretched into to one end, has guaranteed the axiality of bearing and mandrel 3, has improved the life of device.

Further, be close to the connection collet 22 one end in the 21 intracavity of bearing installation section of thick bamboo and be equipped with annular platform 224, annular platform 224 outer lane and the cooperation of the 21 inner wall of bearing installation section of thick bamboo, the inner circle diameter is greater than the bearing inner circle diameter, makes and leaves the clearance between it and the adjacent bearing, be equipped with the shaft hole in the middle of connecting the collet 22, the mandrel 3 passes the shaft hole and arranges, and 3 outer lanes of mandrel in the shaft hole are equipped with skeleton oil blanket 9, the size of skeleton oil blanket 9 and the size cooperation in mandrel 3 and shaft hole are equipped with emollient in the reservation clearance, play a lubricated and sealed effect to the device, and skeleton oil blanket 9 also can be protected to emollient simultaneously, reduces the rate of wear of skeleton oil blanket 9.

Further, combine fig. 6 the shaft hole outside circumference of connecting collet 22 evenly is equipped with four sealed holes 223, sealed hole 223 diameter is less than the distance of shaft hole to annular platform 224 inner circle, and one end is located the sealing washer cover face, and the other end is located the bearing top, sealed hole 223 can be sealed or open with the sealing member according to the user demand, when opening, conveniently toward the aforesaid annotate butter in the reservation clearance, and when needs change the bearing, can use and seal hole 223 matched with rigidity piece will be close to the bearing of connecting collet 22 and smash bearing installation section of thick bamboo 21, be sealing state during normal use.

In this embodiment, the spindle 3 is provided with a first sealing ring 7, see figure 2, the first sealing ring 7 is horn-shaped, and comprises a first water retaining ring 71, a first attaching part 74, an extending part 75 and a first bending part 76, wherein the first water retaining ring 71 is of a cylindrical structure, and has the largest thickness, a central hole, the first fitting part 74 and the first bending part 76 are positioned at the outer side of the first water retaining ring 71, the first bending portion 76 is located at the upper portion of the first fitting portion 74, and both are arranged obliquely downward, the first fitting portion 74 is a straight line, the first bending portion 76 is arc-shaped with the center of the circle facing upward, the first attaching portion 74 is connected with the end of the first bending portion 76 through an extending portion 75, the cross section of the extending portion 75 is a right triangle structure, one right-angle side is parallel to the end face of the water retaining ring, and two ends of the other right-angle side are used for connecting the first bending portion 76 and the first attaching portion 74.

Furthermore, a groove for installing the first sealing ring 7 is formed in the mandrel 3, the lower end face of the groove is flush with one side, away from the bearing seat 2, of the connecting wall, the width of the groove is the same as the thickness of the first water retaining ring 71, the diameter of the groove is matched with the size of the hole formed in the first water retaining ring 71, the first water retaining ring 71 is connected to the mandrel 3 in a clamping mode, and the waterproof effect of the device is improved.

Further, the design that first laminating portion 74 inclines downwards makes first sealing washer 7 will because the squeezing action of the upper groove of mandrel 3 when the installation first laminating portion 74 elasticity is laminated and is connected the wall up end, simultaneously first flexion 76 upwards rolls over under the effect of squeezing force, and the ascending circular arc design of centre of a circle both guarantees that first flexion 76 is not fragile when rolling over, can guarantee again simultaneously to produce the squeezing action to first laminating portion 74, and the design of cooperation extension 75 makes first sealing washer 7 is inseparabler with the connection wall laminating, improves waterproof performance.

In this embodiment, the mandrel 3 of the upper end surface of the annular platform 224 is sleeved with a second sealing ring 8, see fig. 3, the overall appearance of the second sealing ring 8 is horn-shaped, and includes a second water retaining ring 81, a second attaching portion 84 and a second bending portion 85, the second water retaining ring 81 is of a cylindrical structure, and has the largest thickness and an opening in the center, the second attaching portion 84 and the second bending portion 85 are located on the outer side of the second water retaining ring 81, the second bending portion 85 is located on the upper portion of the second attaching portion 84, and both portions are arranged in a downward inclined manner, the second attaching portion 84 is a straight line, the second bending portion 85 is arc-shaped, the center of the circle faces upward, and the outer ring is connected with the second attaching portion 84.

Further, be equipped with the recess that is used for installing second sealing washer 8 on mandrel 3, recess up end and connecting wall are close to one side of bearing frame 2 flushes, the width with second water retaining ring 81 thickness is the same, and with connect the boss 221 height the same, the diameter with the size of second water retaining ring 81 trompil cooperatees, will second water retaining ring 81 block is connected to mandrel 3 on, increases the water-proof effects of device.

Further, the design that the second attaching portion 84 inclines downwards makes the second seal ring 8 when being installed because of the extrusion effect of the upper groove of the mandrel 3 and the connecting wall, the second attaching portion 84 is elastically attached between the upper end face of the annular table 224 and the connecting wall, and meanwhile, the second bending portion 85 is turned upwards under the action of the extrusion force, and the circular arc design with the upward circle center ensures that the second bending portion 85 is not easily damaged when being turned, and can ensure that the second attaching portion 84 is extruded at the same time, so that the second seal ring 8 is attached more tightly with the annular table 224, and the waterproof performance is improved.

Furthermore, the outer rings of the water retaining rings of the two sealing rings are connected with the joint part through the connecting part, the outer ring of the first water retaining ring 71 is provided with a first connecting part 73, the outer ring of the second water retaining ring 81 is provided with a second connecting part 83, one end of the connecting part coincides with the bending part, one end of the connecting part is flush with the end, away from the bending part, of the water retaining ring, a triangular notch is arranged between the flush end and the water retaining ring, the first notch is arranged on the first sealing ring 7, the second notch 82 is arranged on the second sealing ring 8, the joint part is guaranteed not to be damaged due to bending action when the bending elastic joint is carried out, the depth of the notch part is respectively smaller than 1/3 close to the thickness of the water retaining ring, and when the depth of the notch is too large, the strength of the sealing rings can be reduced.

In this embodiment, keep away from the one end of connecting collet 22 in the bearing installation section of thick bamboo 21, the circumference be equipped with the coaxial draw-in groove 212 of bearing installation section of thick bamboo 21, be equipped with band-pass hole circlip 10 in the draw-in groove 212, block and connect in draw-in groove 212, and when second bearing 6 and connecting collet 22 apart from the minimum, circlip 10 with a terminal surface cooperation that connecting collet 22 was kept away from to second bearing 6 for the displacement of restriction second bearing 6.

The utility model provides an use vertical unhairing machine of bearing frame assembly that waterproof performance is good, includes frame, unhairing case and power component, the unhairing incasement is equipped with the rubber claw for unhairing, the unhairing case go up open have with bearing frame 2 connecting hole 222 matched with mounting hole will the bearing frame assembly is installed perpendicularly unhairing case outside one end, just bearing frame assembly mandrel 3 is kept away from unhairing case one end and is passed through band pulley 4 and power component and be connected, and the one end that stretches into the unhairing incasement portion is connected with the incasement claw that moults through getting rid of dish 1, the unhairing case open have with mandrel 3 complex through-hole sets up the sealing washer on the mandrel 3 of through-hole both sides, when improving waterproof performance, has also guaranteed the work efficiency of unhairing machine.

In this embodiment, the assembling sequence of the bearing seat assembly is as follows: and respectively sleeving two bearings from two ends of the mandrel 3, then extending the mandrel 3 with the bearings from one end of the bearing installation cylinder 21, installing the elastic retainer ring 10 to fix the mandrel 3 and the bearings, winding the mandrel 3 and the bearings, then installing the framework oil seal 9, filling a lubricant into the device from the seal hole 223, and finally sealing the seal hole 223.

Further, when the bearing seat assembly is installed with equipment, the second sealing ring 8 is firstly sleeved at one end, close to the connecting bottom support 22, of the mandrel 3, then penetrates through the connecting wall, is fixedly connected with the waterproof connecting bolt 11, then the first sealing ring 7 is sequentially installed and the disc 1 is thrown, the belt wheel 4 is installed at the other end of the mandrel 3 and is connected with a power part, the installation process is completed, the disassembly process is opposite to the installation process, and the repeated description is omitted.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a bearing frame assembly that waterproof performance is good, includes bearing frame (2), bearing and mandrel (3), its characterized in that, bearing frame (2) are including bearing installation section of thick bamboo (21) and connection collet (22), it is coaxial and is connected collet (22) outer lane size and is greater than to connect collet (22) outer lane size bearing installation section of thick bamboo (21) outer lane size, it is equipped with a plurality of connection boss (221) to connect collet (22) outer lane circumference for with the connecting wall fixed connection who treats the connection object, bearing installation section of thick bamboo (21) intracavity is equipped with the bearing, bearing installation section of thick bamboo (21) intracavity bearing is passed in mandrel (3), and both ends stretch out bearing frame (2), wherein one end is passed and is connected collet (22) and connecting wall the position that lies in the connecting wall both sides on the mandrel is equipped with a sealing washer respectively.

2. A bearing housing assembly with good waterproof performance according to claim 1, wherein two ends of the inner cavity of the bearing mounting cylinder (21) are respectively provided with a bearing, and the two bearings are coaxially and rotatably connected to the mandrel (3).

3. A bearing block assembly with good waterproof performance according to claim 2, characterized in that an annular table (224) is arranged at one end of the cavity of the bearing mounting cylinder (21) close to the connecting bottom support (22), and a gap is reserved between the annular table (224) and the adjacent bearing.

4. A bearing seat assembly with good waterproof performance according to claim 3, characterized in that a shaft hole is arranged in the middle of the connecting bottom support (22), a plurality of sealing holes (223) are circumferentially arranged outside the shaft hole, one end of each sealing hole (223) is located in the covering surface of the sealing ring, and the other end of each sealing hole (223) is located above the bearing.

5. A bearing pedestal assembly with good waterproof performance according to claim 4, wherein a framework oil seal (9) is arranged in the middle shaft hole of the connecting bottom support (22), and the size of the framework oil seal (9) is matched with that of the mandrel (3).

6. A bearing housing assembly with improved water resistance as claimed in claim 3, the mandrel (3) penetrates through the outer side of the connecting wall and is provided with a first sealing ring (7), the first sealing ring (7) comprises a first water retaining ring (71), a first attaching part (74), an extending part (75) and a first bending part (76), the first water retaining ring (71) has the largest thickness, a hole is formed in the center, the first attaching part (74) and the first bending part (76) are positioned on the outer side of the first water retaining ring (71), the first bending part (76) is positioned at the upper part of the first fitting part (74), the first bending part and the first fitting part are arranged in a downward inclined way, the first attaching part (74) is a straight line and is contacted with the upper end surface of the connecting wall when in use, the first bending part (76) is arc-shaped, the circle center is upward, the first attaching portion (74) and the end of the first bending portion (76) are connected by an extending portion (75).

7. The bearing pedestal assembly with the good waterproof performance as claimed in claim 6, wherein a second sealing ring (8) is sleeved on the mandrel (3) on the upper end surface of the annular table (224), the second sealing ring (8) comprises a second water retaining ring (81), a second attaching portion (84) and a second bending portion (85), the second water retaining ring (81) is largest in thickness and provided with a hole in the center, the second attaching portion (84) and the second bending portion (85) are located on the outer side of the second water retaining ring (81), the second bending portion (85) is located on the upper portion of the second attaching portion (84), the second attaching portion and the second attaching portion are arranged in a downward inclined mode, the second attaching portion (84) is a straight line and is in contact with the upper end surface of the annular table (224) during use, the second bending portion (85) is arc-shaped, the center of the circle faces upwards, and the outer ring is connected with the second attaching portion (84).

8. The bearing pedestal assembly with good waterproof performance as claimed in claim 7, wherein the outer rings of the water retaining rings of the two seal rings are connected with the joint part by a connecting part, a gap is arranged between the connecting part and the water retaining ring, and the depth of the gap is less than 1/3 of the thickness of the water retaining ring.

9. A vertical depilator applying the bearing seat assembly with good waterproof performance as claimed in any one of claims 1 to 8, characterized by comprising a frame, a depilating box and a power part, wherein a rubber claw for depilation is arranged in the depilating box, the bearing seat assembly is arranged at one end outside the depilating box, one end of the bearing seat assembly is connected with the power part, and the other end of the bearing seat assembly is connected with the depilating claw in the box.