CN215153640U - Highly dustproof agricultural machinery wheel hub unit - Google Patents

Abstract

The utility model relates to a highly dustproof agricultural machinery hub unit, which comprises a mandrel, wherein the outer side of the mandrel is provided with an inner ring which is oppositely arranged, an outer ring is arranged on the outer side of the inner ring, a steel ball is arranged between the outer ring and the inner ring, a retainer for limiting the sliding of the steel ball is arranged between the outer ring and the inner ring, a sealing component is arranged between one end of the outer ring and the inner ring, a gland is arranged on one side of the sealing component far away from the inner ring, which is arranged on the outer side of the mandrel, the double-layer sealing component is arranged, so that the double-layer sealing component can still keep better dustproof effect after being used for a long time and worn, install dust absorption mechanism additional simultaneously, can make the dust in the air adsorb to the adsorption layer surface under electrostatic adsorption's effect, further solved the dust and easily entered into the inside problem of wheel hub unit.

Description

Highly dustproof agricultural machinery wheel hub unit

Technical Field

The utility model relates to a wheel hub unit especially relates to a high dirt-proof agricultural machine wheel hub unit.

Background

With the development of the technology, the integration level of the automobile hub bearing unit is higher and higher. Chinese patent CN201320801315.7, published as 2014, 7, 16, discloses a low friction, low loss, heavy load hub unit. Including the flange disk body that has the cavity, the cavity in be equipped with the spline tooth that gradually bursts at seams, the head cover of flange disk body have the inner circle, the outer cover of inner circle and ring flange have the outer lane, inner circle and outer lane between, be equipped with the holder between flange disk body and outer lane respectively, the holder in be equipped with the steel ball, inner circle and outer lane between seal spare and back sealing member sealed mutually through preceding sealing member, preceding sealing member and back sealing member be interval form distribution, the lateral wall of back sealing member be equipped with preceding sealing member looks movable contact's location antenna, flange disk body and outer lane between seal mutually through the sealing member. The structure has the defects that the sealing element is easy to wear and has poor sealing performance, and dust can be accumulated in the sealing element quickly after the sealing element is damaged, so that the service life of the hub unit is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is the relatively poor technical problem of leakproofness simultaneously of the easy wearing and tearing of traditional structure sealing member.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model discloses a high dirt-proof agricultural machine wheel hub unit, including the dabber, the dabber outside is provided with the inner circle of relative setting, the outside of inner circle is provided with the outer lane, the outer lane with be provided with the steel ball between the inner circle, the outer lane with be provided with the restriction between the inner circle the gliding holder of steel ball, the one end of outer lane with be provided with seal assembly between the inner circle, seal assembly keeps away from one side of inner circle is provided with installs the gland in the dabber outside, the gland is kept away from one side of inner circle is provided with the rotation go-between, be provided with coupling mechanism in the rotation go-between, the outer lane is kept away from one side of seal assembly is provided with the O type circle of annular form.

The utility model discloses a set up double-deck seal assembly, make it use for a long time and take place the wearing and tearing back, still can keep better dustproof effect.

Preferably, a sealing cover is arranged on one side, located on the O-shaped ring, of the outer ring, and a sealing assembly for preventing dust from entering is arranged between the sealing cover and the outer ring.

Preferably, the connecting mechanism comprises sliding cavities which are symmetrical about the core shaft and are provided with openings facing to one side close to the gland, jacks which can be aligned with the openings of the sliding cavities are arranged in the gland, limiting rods are arranged in the sliding cavities in a sliding mode, pressure springs are arranged between the limiting rods and the end wall of one side, far away from the openings, of the sliding cavity, and a dust collection mechanism is arranged on the outer side of the rotating connecting ring.

Preferably, the dust collection mechanism comprises an electrostatic block arranged outside the rotating connecting ring in a sliding manner, a swinging cavity is arranged in the electrostatic block, an auxiliary friction material is arranged on the end wall of one side, away from the rotating connecting ring, of the swinging cavity, a motor is arranged on the end wall of one side of the swinging cavity, a motor shaft is connected to the motor in a power link manner, a swinging rod is fixed on the motor shaft, a main friction material which is elastic and can rub against the auxiliary friction material is arranged at one end of the swinging rod, static electricity can be generated after the main friction material rubs against the auxiliary friction material, and an adsorption layer which can conduct electricity is arranged on one side, away from the rotating connecting ring, of the electrostatic block.

Preferably, a sliding groove is formed in one side, close to the rotating connecting ring, of the static block, and a guide rail fixedly connected with the rotating connecting ring is arranged in the sliding groove in a sliding mode.

Therefore, the utility model discloses a set up double-deck seal assembly, make it use for a long time and take place the wearing and tearing back, still can keep better dustproof effect, install dust absorption mechanism additional simultaneously, can make the dust in the air adsorb to the adsorption layer surface under electrostatic adsorption's effect, further solved the dust and easily entered into the inside problem of wheel hub unit.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is an enlarged view of the structure of fig. 1A.

Parts, positions and numbers in the drawings: 10. an outer ring; 11. an inner ring; 12. a steel ball; 13. a holder; 14. a sealing cover; 15. a seal assembly; 16. a gland; 17. a seal assembly; 18. an O-shaped ring; 19. a mandrel; 20. rotating the connecting ring; 21. a guide rail; 22. an electrostatic block; 23. a swing lever; 24. an adsorption layer; 25. a primary friction material; 26. a secondary friction material; 27. a swing cavity; 28. a motor shaft; 29. a motor; 30. a chute; 31. a jack; 32. a limiting rod; 33. a sliding cavity; 34. a pressure spring.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the utility model discloses a high dirt-proof agricultural machinery wheel hub unit, including dabber 19, the dabber 19 outside is provided with the inner circle 11 of relative setting, the outside of inner circle 11 is provided with outer lane 10, be provided with steel ball 12 between outer lane 10 and the inner circle 11, be provided with the restriction between outer lane 10 and the inner circle 11 the gliding holder 13 of steel ball 12, be provided with seal assembly 15 between the one end of outer lane 10 and the inner circle 11, one side that seal assembly 15 kept away from the inner circle 11 is provided with install the gland 16 in the dabber 19 outside, one side that gland 16 kept away from the inner circle 11 is provided with rotation go-between ring 20, one side that seal assembly 15 was kept away from to outer lane 10 is provided with annular O type circle 18, outer lane 10 is located one side of O type circle 18 is provided with sealed lid 14, gland 16 with be provided with the seal assembly 17 that prevents the dust entering between the outer lane 10, a connecting mechanism is arranged in the rotary connecting ring 20, the connecting mechanism comprises a sliding cavity 33 which is symmetrical about the mandrel 19 and has an opening facing to the side close to the gland 16, a jack 31 which can be aligned with the opening of the sliding cavity 33 is arranged in the gland 16, a limiting rod 32 is arranged in the sliding cavity 33 in a sliding manner, a pressure spring 34 is arranged between the limiting rod 32 and the end wall of one side of the sliding cavity 33 far away from the opening, a dust suction mechanism is arranged on the outer side of the rotary connecting ring 20, the dust suction mechanism comprises an electrostatic block 22 which is arranged on the outer side of the rotary connecting ring 20 in a sliding manner, a swinging cavity 27 is arranged in the electrostatic block 22, an auxiliary friction material 26 is arranged on the end wall of one side of the swinging cavity 27 far away from the rotary connecting ring 20, the auxiliary friction material 26 is made of rubber, and a motor 29 is arranged on the end wall of one side of the swinging cavity 27, a motor shaft 28 is dynamically linked in the motor 29, a swing rod 23 is fixed on the motor shaft 28, a main friction material 25 which is elastic and rubs with the auxiliary friction material 26 is arranged at one end of the swing rod 23, the surface of the main friction material 25 is made of fur material, an adsorption layer 24 which can conduct electricity is arranged on one side of the static block 22 away from the rotating connecting ring 20, a sliding groove 30 is arranged on one side of the static block 22 close to the rotating connecting ring 20, and a guide rail 21 which is fixedly connected with the rotating connecting ring 20 is arranged in the sliding groove 30 in a sliding manner.

When the dust-proof device is used, the hub unit is installed at a designated position of a vehicle according to a conventional mode, at the moment, the limiting rod 32 partially extends into the insertion hole 31 under the action of the pressure spring 34, the connecting ring 20 rotates synchronously with the gland 16 and does not rotate relatively, then the motor 29 is started, the motor shaft 28 rotates forwards and backwards in a reciprocating mode, the oscillating rod 23 oscillates in the oscillating cavity 27 in a reciprocating mode at a fixed angle, the main friction material 25 continuously rubs with the auxiliary friction material 26, static electricity is generated, the adsorption layer 24 is electrified, dust can be continuously attached to the surface of the adsorption layer 24, the probability that the dust enters the space between the gland 16 and the outer ring 10 is further reduced, and the dust-proof effect is further improved.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (5)

1. A highly dirt-proof agricultural machine hub unit, includes dabber (19), its characterized in that: the outer side of the mandrel (19) is provided with an inner ring (11) which is arranged oppositely, the outer side of the inner ring (11) is provided with an outer ring (10), a steel ball (12) is arranged between the outer ring (10) and the inner ring (11), a retainer (13) for limiting the sliding of the steel ball (12) is arranged between the outer ring (10) and the inner ring (11), a sealing component (15) is arranged between one end of the outer ring (10) and the inner ring (11), a gland (16) arranged on the outer side of the mandrel (19) is arranged on one side of the sealing component (15) far away from the inner ring (11), a rotary connecting ring (20) is arranged on one side of the gland (16) far away from the inner ring (11), a connecting mechanism is arranged in the rotary connecting ring (20), and an annular O-shaped ring (18) is arranged on one side, far away from the sealing assembly (15), of the outer ring (10).

2. A highly dust-proof agricultural machine hub unit according to claim 1, wherein: one side of the outer ring (10) which is positioned on the O-shaped ring (18) is provided with a sealing cover (14), and a sealing component (17) for preventing dust from entering is arranged between the sealing cover (16) and the outer ring (10).

3. A highly dust-proof agricultural machine hub unit according to claim 1, wherein: coupling mechanism includes about dabber (19) symmetry and opening orientation are close to sliding chamber (33) of gland (16) one side, be provided with in gland (16) can with jack (31) that sliding chamber (33) opening was aligned, it is provided with gag lever post (32) to slide in sliding chamber (33), gag lever post (32) with sliding chamber (33) is kept away from and is provided with pressure spring (34) between the open-ended one side end wall, the outside of rotating go-between ring (20) is provided with dust absorption mechanism.

4. A highly dust-proof agricultural machine hub unit according to claim 3, wherein: the dust suction mechanism comprises an electrostatic block (22) which is arranged outside the rotary connecting ring (20) in a sliding way, a swinging cavity (27) is arranged in the static block (22), an auxiliary friction material (26) is arranged on the end wall of one side of the swinging cavity (27) far away from the rotating connecting ring (20), a motor (29) is arranged on the end wall of one side of the swinging cavity (27), a motor shaft (28) is dynamically linked in the motor (29), a swing rod (23) is fixed on the motor shaft (28), one end of the swing rod (23) is provided with a main friction material (25) which is elastic and rubs with the auxiliary friction material (26), the main friction material (25) and the auxiliary friction material (26) can generate static electricity after friction, and one side of the static block (22) far away from the rotating connecting ring (20) is provided with an adsorption layer (24) capable of conducting electricity.

5. A highly dust-proof agricultural machine hub unit as claimed in claim 4, wherein: one side of the static block (22) close to the rotating connecting ring (20) is provided with a sliding groove (30), and a guide rail (21) fixedly connected with the rotating connecting ring (20) is arranged in the sliding groove (30) in a sliding mode.

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