CN203713407U - Wheel hub unit with low friction, low loss and heavy load - Google Patents
Wheel hub unit with low friction, low loss and heavy load Download PDFInfo
- Publication number
- CN203713407U CN203713407U CN201320801315.7U CN201320801315U CN203713407U CN 203713407 U CN203713407 U CN 203713407U CN 201320801315 U CN201320801315 U CN 201320801315U CN 203713407 U CN203713407 U CN 203713407U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- outer ring
- disk body
- flange disk
- sealing member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a wheel hub unit, in particular to a wheel hub unit with low friction, low loss and heavy load. The wheel hub unit is applied to an automobile. The wheel hub unit comprises a ring flange body with a cavity; involute spline teeth are formed in the cavity; the head of the ring flange body is sleeved by an inner ring; the inner ring and the ring flange body are sleeved by an outer ring; holders are arranged between the inner ring and the outer ring as well as between the ring flange body and the outer ring respectively; steel balls are arranged in the holders; the inner ring and the outer ring are sealed together through a front sealing element and a back sealing element; the front sealing element and the back sealing element are distributed at a certain interval; a positioning antenna which is movably contacted with the front sealing element is arranged on the outer side wall of the back sealing element; the ring flange body is sealed together with the outer ring through the sealing elements. The wheel hub unit with low friction, low loss and heavy load has the advantages of compact structure, high installing accuracy, excellent application performance and improvement on the braking performance.
Description
Technical field
The utility model relates to a kind of hub, relates in particular to the hub of the low-loss heavy lift of a kind of low friction, and hub is for automobile.
Background technology
Automobile hub unit in currently available technology, structure relative complex, assembly precision is low, and trouble is installed, and result of use is not good, is all split design, affects overall performance, and the leak tightness in simultaneous wheels hub unit is not good.
Chinese patent CN200620108249.5, a kind of automobile hub unit assembly is disclosed, comprise mandrel, outer ring, inner ring, the first rolling body and the second rolling body, the outside of mandrel is furnished with raceway groove, the inner side of outer ring is furnished with biserial raceway groove, between outer ring and inner ring, clamping has the first rolling body, between outer ring and mandrel, clamping has the second rolling body, inner ring is fixed in from the mandrel that its inside is passed, the external diameter interference fit of the internal diameter of inner ring and mandrel forms and is fixedly connected, the end of mandrel adopts spinning riveted construction, and spinning riveted construction is close to the large end face of inner ring.This structure relative complex, and assembly precision is relatively low, and result of use is unoutstanding.
Summary of the invention
The utility model is mainly to solve the deficiencies in the prior art, provides a kind of simple in structure, use convenient, the hub of the low friction low-loss heavy lift that performance is outstanding.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
A kind of hub of low friction low-loss heavy lift, comprise the flange disk body with cavity, in described cavity, be provided with invoice serration tooth, the head cover of described flange disk body has inner ring, the external cover of described inner ring and flange has outer ring, between described inner ring and outer ring, between flange disk body and outer ring, be respectively equipped with retainer, in described retainer, be provided with steel ball, between described inner ring and outer ring, by front sealing member and rear sealing member, seal mutually, described front sealing member and the interruption-like distribution of rear sealing member, the lateral wall of described rear sealing member is provided with and the front sealing member location feeler that activity touches mutually, between described flange disk body and outer ring, by sealing member, seal mutually,
The number of teeth in described invoice serration tooth is 27, and in described invoice serration tooth, space width is 1.875～1.944mm.
This structure significantly promotes the in-use performance of hub.
As preferably, the distribution that is halved together of described flange disk body and inner ring, two retainers are symmetry shape and distribute, and the edge of described outer ring is provided with well-distributed bolt hole, and the edge of described flange disk body is provided with well-distributed bolt.
As preferably, the left-hand end of described invoice serration tooth is provided with left assembly opening, and the right-hand end of described invoice serration tooth is provided with right assembly opening.
As preferably, the lateral wall of described inner ring and the lateral wall of outer ring are same level line and distribute, and the top of described inner ring right-hand member and the top of flange disk body are the distribution of same level line.
Therefore, the hub of low friction low-loss heavy lift of the present utility model, compact conformation, setting accuracy is high, and in-use performance is outstanding, Hoist braking performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be in Fig. 1 A to structural representation.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as depicted in figs. 1 and 2, a kind of hub of low friction low-loss heavy lift, comprise the flange disk body 2 with cavity 1, in described cavity 1, be provided with invoice serration tooth 3, the head cover of described flange disk body 2 has inner ring 4, described inner ring 4 has outer ring 5 with flange disk body 2 overcoats, 5 of described inner ring 4 and outer rings, 5 of flange disk body 2 and outer rings are respectively equipped with retainer 6, in described retainer 6, be provided with steel ball 7, described inner ring 4 seals with rear sealing member 9 by front sealing member 8 mutually with 5 of outer rings, described front sealing member 8 and the interruption-like distribution of rear sealing member 9, the lateral wall of described rear sealing member 9 is provided with and the front sealing member 8 location feeler 10 that activity touches mutually, described flange disk body 2 seals by sealing member 11 mutually with 5 of outer rings,
The number of teeth in described invoice serration tooth 3 is 27, and in described invoice serration tooth 3, space width is 1.875～1.944mm.
Distributions that be halved together of described flange disk body 2 and inner ring 4, two retainers 6 are symmetry shape distribution, and the edge of described outer ring 5 is provided with well-distributed bolt hole 12, and the edge of described flange disk body 2 is provided with well-distributed bolt 13.
The left-hand end of described invoice serration tooth 3 is provided with left assembly opening 14, and the right-hand end of described invoice serration tooth 14 is provided with right assembly opening 1.
The lateral wall of described inner ring 4 and the lateral wall of outer ring 5 are same level line and distribute, and the described top of inner ring 4 right-hand members and the top of flange disk body 2 are same level line and distribute.
Claims (4)
1. the hub of one kind low friction low-loss heavy lift, it is characterized in that: comprise the flange disk body (2) with cavity (1), in described cavity (1), be provided with invoice serration tooth (3), the head cover of described flange disk body (2) has inner ring (4), described inner ring (4) has outer ring (5) with flange disk body (2) overcoat, between described inner ring (4) and outer ring (5), between flange disk body (2) and outer ring (5), be respectively equipped with retainer (6), in described retainer (6), be provided with steel ball (7), between described inner ring (4) and outer ring (5), by front sealing member (8) and rear sealing member (9), seal mutually, described front sealing member (8) and the interruption-like distribution of rear sealing member (9), the lateral wall of described rear sealing member (9) is provided with and front sealing member (8) the location feeler (10) that activity touches mutually, between described flange disk body (2) and outer ring (5), by sealing member (11), seal mutually,
The number of teeth in described invoice serration tooth (3) is 27, and in described invoice serration tooth (3), space width is 1.875～1.944mm.
2. the hub of low friction low-loss heavy lift according to claim 1, it is characterized in that: the distribution that is halved together of described flange disk body (2) and inner ring (4), two retainers (6) are symmetry shape and distribute, the edge of described outer ring (5) is provided with well-distributed bolt hole (12), and the edge of described flange disk body (2) is provided with well-distributed bolt (13).
3. the hub of low friction low-loss heavy lift according to claim 1 and 2, it is characterized in that: the left-hand end of described invoice serration tooth (3) is provided with left assembly opening (14), the right-hand end of described invoice serration tooth (14) is provided with right assembly opening (15).
4. the hub of low friction low-loss heavy lift according to claim 1 and 2, it is characterized in that: the lateral wall of the lateral wall of described inner ring (4) and outer ring (5) is same level line and distributes, the top of described inner ring (4) right-hand member and the top of flange disk body (2) are same level line and distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801315.7U CN203713407U (en) | 2013-12-09 | 2013-12-09 | Wheel hub unit with low friction, low loss and heavy load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801315.7U CN203713407U (en) | 2013-12-09 | 2013-12-09 | Wheel hub unit with low friction, low loss and heavy load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713407U true CN203713407U (en) | 2014-07-16 |
Family
ID=51152596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801315.7U Expired - Fee Related CN203713407U (en) | 2013-12-09 | 2013-12-09 | Wheel hub unit with low friction, low loss and heavy load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713407U (en) |
-
2013
- 2013-12-09 CN CN201320801315.7U patent/CN203713407U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |