CN209587002U - A kind of brake drum structure and the caravan trailer using the brake drum structure - Google Patents
A kind of brake drum structure and the caravan trailer using the brake drum structure Download PDFInfo
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- CN209587002U CN209587002U CN201920073016.3U CN201920073016U CN209587002U CN 209587002 U CN209587002 U CN 209587002U CN 201920073016 U CN201920073016 U CN 201920073016U CN 209587002 U CN209587002 U CN 209587002U
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- brake drum
- boss
- drum
- seam allowance
- bolt
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Abstract
The utility model relates to a kind of brake drum structure and using the caravan trailer of the brake drum structure.The brake drum structure includes brake drum ontology, the brake drum ontology includes side wall and bearing hole, drum set is equipped on brake drum circle end face at bearing hole, the tire bolt for fixing wheel rim is equipped on brake drum circle end face on the outside of bearing hole, it is installed on the outside of the drum set for providing the seam allowance boss of radial support to wheel rim inner rim, the seam allowance boss is continuously or discontinuously arranged on drum set along brake drum circumferential direction.The brake drum structure makes to act on the shearing force on tire bolt and substantially reduces, promote the service life and safety of tire bolt by increasing wheel rim the support of radial direction while guaranteeing that wheel rim and brake drum consolidate locking.
Description
Technical field
The utility model relates to a kind of brake drum structure and using the caravan trailer of the brake drum structure.
Background technique
Caravan trailer is one under caravan, and different from self-propelled caravan, caravan trailer itself does not have power, needs
Additional vehicle carries out it pulling traveling, therefore, it is also higher to pull stationarity in driving process, security requirement.For
Convenient for being connected and disconnected from tractor, pulls caravan and use electro-magnetic braking device, the difference used on brake drum structure and automobile.
The brake drum that existing caravan trailer uses is fixed by tire bolt and wheel rim, in the brake drum of bolt location
Upper setting bolt boss, is being axially engaged by bolt boss and wheel rim, while passing through tire bolt and nut for wheel rim and system
Dynamic drum locking；Vehicle body gravity is transmitted on tire by brake drum, wheel rim, other active forces occurred in driving process pass through wheel
Tire and wheel rim are transmitted on brake drum, therefore produce the radial force acted on brake drum, cause to act on tire bolt
Shearing force it is big, tire bolt damage risk is high.
Utility model content
In order to solve the above-mentioned technical problem the utility model, provides a kind of brake drum structure and uses the brake drum structure
Caravan trailer while guaranteeing the firm locking of wheel rim and brake drum, made by increasing wheel rim the support of radial direction
The shearing force acted on tire bolt substantially reduces, and promotes the service life and safety of tire bolt, solves existing skill
The problem of art.
The utility model is achieved by the following technical solution:
A kind of brake drum structure, including brake drum ontology, the brake drum ontology includes side wall and bearing hole, in bearing hole
The brake drum circle end face at place is equipped with drum set, is equipped on the brake drum circle end face on the outside of bearing hole for fixing wheel rim
Tire bolt is installed on the outside of the drum set for providing the seam allowance boss of radial support, the seam allowance to wheel rim inner rim
Boss is continuously or discontinuously arranged on drum set along brake drum circumferential direction.
The seam allowance boss is continuously arranged on drum set along brake drum circumferential direction, the seam allowance boss and wheel rim inner rim
Concave station matches.
The bolt boss being arranged along brake drum circumferential direction uniform intervals is equipped on brake drum circle end face；The seam allowance boss
Thickness be greater than bolt boss thickness.
The seam allowance boss is on drum set along the discontinuous setting of brake drum circumferential direction, the seam allowance boss edge of discontinuous setting
The seam allowance boss of the setting of brake drum circumferential direction uniform intervals or discontinuous setting is included at least along brake drum circle end face
Two of diametrically opposite setting.
The seam allowance boss of discontinuous setting further includes several being arranged along brake drum circle end face uniform intervals.
The bolt boss, drum set and the connection of seam allowance boss integral type or welding, the seam allowance boss are set to bolt boss
Junction is covered with drum.
The seam allowance boss, drum set and bolt boss are to pour casting of one.
The brake drum ontology is to pour casting of one.
The seam allowance boss connect or is weldingly connected with drum set integral type.
The seam allowance boss and drum set are to pour casting of one.
Circular diameter where the lateral wall cambered surface of the seam allowance boss is 110 ± 3mm, preferably 110.2 ± 3mm.
A kind of caravan trailer, including foregoing brake drum structure.
The utility model has the beneficial effects that
The brake drum structure is convex by wheel rim inner rim and the seam allowance of wheel rim by the way that seam allowance boss is arranged on existing brake drum
Platform is fitted close, and so as to increase wheel rim the support of radial direction, a part of radial force is passed through seam allowance boss and wheel
Rim is transmitted, and while guaranteeing that wheel rim and brake drum consolidate locking, is made to act on the shearing force on tire bolt and is dropped significantly
It is low, promote the service life and safety of tire bolt.
Detailed description of the invention
Fig. 1 is existing brake drum structure；
Fig. 2 is the schematic perspective view of Fig. 1；
Fig. 3 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 4 is the schematic perspective view of Fig. 3；
Fig. 5 is the backsight structural representation of Fig. 4；
The brake drum and wheel rim mating connection structural schematic diagram that Fig. 6 is Fig. 3；
Fig. 7 is the structural schematic diagram of the utility model another embodiment；
Fig. 8 is the structural schematic diagram of the third embodiment of the utility model；
Fig. 9 is the structural schematic diagram of the 4th kind of embodiment of the utility model.
In figure, 1 brake drum ontology, 2 drum sets, 3 tire bolts, 4 seam allowance boss, 5 bolt boss, 6 wheel rims, 7 wheel rim lubrication grooves
Edge.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in Figs. 1-2, existing brake drum includes brake drum ontology 1, and the brake drum ontology includes side wall and bearing hole,
It is equipped with drum set 2 on brake drum circle end face at bearing hole, is equipped on the brake drum circle end face in 2 outside of drum set and uniformly sets
The bolt boss 5 set is equipped with tire bolt 3 in bolt boss.
Embodiment 1
As seen in figures 3-6, which is the improvement carried out based on the existing brake drum structure for having bolt boss；Packet
Brake drum ontology 1 is included, the brake drum ontology includes side wall and bearing hole, is equipped on the brake drum circle end face at bearing hole
Drum covers 2, and the tire bolt 3 for fixing wheel rim 6 is equipped on the brake drum circle end face on the outside of bearing hole, outer in the drum set
Side is installed with for providing the seam allowance boss 4 of radial support to wheel rim inner rim 7, and the seam allowance boss is on drum set along brake drum
The discontinuous setting of circumferential direction.
The seam allowance boss 4 is set to each bolt boss 5 and drum set junction on brake drum circle end face.Seam allowance boss
Protrude the height outside brake drum circle end face, make wheel rim and drum bolt be locked after, wheel rim inner rim and seam allowance boss
Gapless contacts.If at this point, the seam allowance boss 4 of discontinuous setting is to be arranged along brake drum circle end face, uniform intervals
Dry；Seam allowance boss 4 is correspondingly arranged with tire bolt.
The bolt boss, drum set and the connection of seam allowance boss integral type, the seam allowance boss is set to bolt boss and drum covers
Junction.
The brake drum ontology, seam allowance boss, drum set and bolt boss are to pour casting of one.
Circular diameter where the lateral wall cambered surface of the seam allowance boss is 110 ± 3mm, preferably 110.2 ± 3mm.
In use, the brake drum structure and existing wheel rim are cooperated, the setting of bolt boss ensure that the entirety of brake drum
Intensity；Compared to the structure that drum set position before only connects bolt boss, increased seam allowance boss 4 can be with the wheel of wheel rim 6
Concave station at rim inner rim 7 overlaps, and wheel rim and brake drum locking after, the inner rim of seam allowance boss and wheel rim it is recessed
Platform gapless contacts, and increases the support of radial direction to wheel rim 6, while guaranteeing that wheel rim and brake drum consolidate locking,
Make to act on the shearing force on tire bolt to substantially reduce, promotes the service life and safety of tire bolt.
Embodiment 2
As shown in fig. 7, the brake drum structure is the improvement that the existing brake drum structure based on non-bolt boss carries out；Including
Brake drum ontology 1, the brake drum ontology include side wall and bearing hole, are equipped with drum on the brake drum circle end face at bearing hole
2 are covered, the tire bolt 3 for fixing wheel rim 6 is equipped on the brake drum circle end face on the outside of bearing hole, tire bolt is being braked
Drum of outer is uniformly arranged on end face, is installed on the outside of the drum set for providing the seam allowance of radial support to wheel rim inner rim 7
Boss 4, the seam allowance boss are continuously arranged on drum set along brake drum circumferential direction.
The thickness of the seam allowance boss 4, i.e. seam allowance boss protrude the height of brake drum circle end face, make wheel rim 6 and braking
Drum bolt be locked after, wheel rim inner rim and seam allowance boss gapless contact.
The seam allowance boss 4, drum set 2 are integrally formed.
The brake drum ontology and seam allowance boss thereon, bulging cover are to pour casting of one.
Circular diameter where the lateral wall cambered surface of the seam allowance boss is 110 ± 3mm, preferably 110.2 ± 3mm.
The structure makes seam allowance boss and wheel after wheel rim 6 and drum bolt locking by the setting of continuous seam allowance boss
The concave station gapless of rim inner rim 7 contacts, and increases the support of radial direction to wheel rim, is guaranteeing that wheel rim and brake drum are firm
While locking, make to act on the shearing force on tire bolt and substantially reduce, promotes the service life and safety of tire bolt.
Embodiment 3
As shown in figure 8, the brake drum structure includes brake drum ontology 1, the brake drum ontology includes side wall and bearing hole,
It is equipped with drum set 2 on brake drum circle end face at bearing hole, is equipped with and is used on the brake drum circle end face on the outside of bearing hole
The tire bolt 3 of fixed wheel rim 6 is installed on the outside of the drum set for providing the seam allowance of radial support to wheel rim inner rim 7
Boss 4, the seam allowance boss is on drum set along the discontinuous setting of brake drum circumferential direction.
The seam allowance boss 4 is on drum set along the discontinuous setting of brake drum circumferential direction, the seam allowance boss of discontinuous setting
Including at least two groups of the diametrically opposite setting along brake drum circle end face, consequently facilitating realizing to wheel rim radial direction
Support.
The bolt boss 5 being arranged along brake drum circumferential direction uniform intervals is equipped on brake drum circle end face, the seam allowance is convex
The thickness of platform 4 is greater than the thickness of bolt boss 5.Height i.e. outside seam allowance boss protrusion brake drum circle end face, makes wheel rim and system
Dynamic drum bolt be locked after, wheel rim inner rim and seam allowance boss gapless contact.
The bolt boss, drum set and the connection of seam allowance boss integral type, the seam allowance boss is set to bolt boss and drum covers
Junction.
The brake drum ontology, seam allowance boss, drum set and bolt boss are to pour casting of one.
Circular diameter where the lateral wall cambered surface of the seam allowance boss is 110 ± 3mm, preferably 110.2 ± 3mm.
Embodiment 4
As shown in figure 9, brake drum of the brake drum structure with embodiment 3, the difference is that the seam allowance of discontinuous setting is convex
Platform is at least along 2 of the diametrically opposite setting of brake drum circle end face.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (10)
1. a kind of brake drum structure, including brake drum ontology, the brake drum ontology includes side wall and bearing hole, at bearing hole
Brake drum circle end face be equipped with drum set, the wheel for fixing wheel rim is equipped on the brake drum circle end face on the outside of bearing hole
Tire bolt, which is characterized in that it is installed on the outside of the drum set for providing the seam allowance boss of radial support to wheel rim inner rim,
The seam allowance boss is continuously or discontinuously arranged on drum set along brake drum circumferential direction.
2. a kind of brake drum structure according to claim 1, which is characterized in that the seam allowance boss covers upper along braking in drum
Drum circumferential direction is continuously arranged, and the seam allowance boss is matched with wheel rim inner rim concave station.
3. a kind of brake drum structure according to claim 2, which is characterized in that be equipped on brake drum circle end face along system
The bolt boss of the dynamic circumferential uniform intervals setting of drum；The thickness of the seam allowance boss is greater than the thickness of bolt boss.
4. a kind of brake drum structure according to claim 1, which is characterized in that the seam allowance boss covers upper along braking in drum
The seam allowance boss of the drum discontinuous setting of circumferential direction, discontinuous setting is arranged along brake drum circumferential direction uniform intervals, Huo Zhefei
The seam allowance boss being continuously arranged includes at least two of the diametrically opposite setting along brake drum circle end face.
5. a kind of brake drum structure according to claim 4, which is characterized in that be equipped on brake drum circle end face along system
The bolt boss of the dynamic circumferential uniform intervals setting of drum, the thickness of the seam allowance boss are greater than the thickness of bolt boss.
6. a kind of brake drum structure according to claim 3 or 5, which is characterized in that the bolt boss, drum set and seam allowance
The connection of boss integral type or welding, the seam allowance boss are set to bolt boss and drum set junction.
7. a kind of brake drum structure according to claim 1, which is characterized in that the seam allowance boss and drum set integral type connect
It connects or is weldingly connected.
8. a kind of brake drum structure according to claim 7, which is characterized in that the seam allowance boss and drum cover to pour one
Casting of body.
9. a kind of brake drum structure according to claim 1, which is characterized in that the lateral wall cambered surface institute of the seam allowance boss
Circular diameter be 110.2 ± 3mm.
10. a kind of caravan trailer, which is characterized in that including brake drum structure of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073016.3U CN209587002U (en) | 2019-01-16 | 2019-01-16 | A kind of brake drum structure and the caravan trailer using the brake drum structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073016.3U CN209587002U (en) | 2019-01-16 | 2019-01-16 | A kind of brake drum structure and the caravan trailer using the brake drum structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587002U true CN209587002U (en) | 2019-11-05 |
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ID=68353561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920073016.3U Active CN209587002U (en) | 2019-01-16 | 2019-01-16 | A kind of brake drum structure and the caravan trailer using the brake drum structure |
Country Status (1)
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| CN (1) | CN209587002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931943A (en) * | 2021-10-13 | 2022-01-14 | 昆明裕恒汽车配件制造有限公司 | High-strength wear-resistant automobile brake drum |
-
2019
- 2019-01-16 CN CN201920073016.3U patent/CN209587002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931943A (en) * | 2021-10-13 | 2022-01-14 | 昆明裕恒汽车配件制造有限公司 | High-strength wear-resistant automobile brake drum |
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