CN209366123U - A kind of novel hub type brake halting mechanism and brake - Google Patents
A kind of novel hub type brake halting mechanism and brake Download PDFInfo
- Publication number
- CN209366123U CN209366123U CN201822212392.4U CN201822212392U CN209366123U CN 209366123 U CN209366123 U CN 209366123U CN 201822212392 U CN201822212392 U CN 201822212392U CN 209366123 U CN209366123 U CN 209366123U
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- mandril
- master cylinder
- pull rod
- brake
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Abstract
The utility model provides a kind of novel hub type brake halting mechanism, comprising: master cylinder, mandril and spring in master cylinder, and be installed on master cylinder and with the matched pull rod of the mandril；Wherein, the mandril includes the T-shaped mandril one and mandril two in the section that is oppositely arranged in master cylinder, and the pull rod is movably installed between mandril one and the T connector portion of mandril two；The free end of the mandril one and mandril two is stretched out from master cylinder both ends, and the spring includes being set to the spring one between one T connector portion of mandril and master cylinder and the spring two between two T connector portion of mandril and blocking portion；The T connector end surface of the mandril and pull rod main body on the other side are equipped with two groups of arc grooves, and two groups of grooves are respectively set to gradually become shallower as on the direction of mandril and pull rod relative rotation, are respectively equipped with steel ball in two groups of arc grooves.The halting mechanism of the utility model, has compact-sized, and bar bar is than big, the high advantage of mechanical efficiency.
Description
Technical field
The utility model relates to automotive brake technical fields, and in particular to a kind of novel hub type brake halting mechanism and
Brake with the halting mechanism.
Background technique
With the development of automotive engineering and the raising of speed of operation, the braking ability of automobile seems most important, it is directly
It is related to traffic safety, is the important leverage of running car.And vehicle ability in slope is the essential of vehicle braking performances
Important component.Current sedan is mostly disk brake, hub type in hub type brake and disk using parking brake
Brake several types.Existing hub type brake, structure is complex, and weight is larger, and mechanical efficiency is not high.
Utility model content
The purpose of this utility model is to provide a kind of novel hub type brake halting mechanism and with the halting mechanism
Brake.
To achieve the above object, the utility model adopts the technical scheme that
A kind of novel hub type brake halting mechanism, comprising: master cylinder, mandril and spring in master cylinder, and installation
In on master cylinder and with the matched pull rod of the mandril；Wherein,
The mandril includes the T-shaped mandril one and mandril two in the section that is oppositely arranged in master cylinder, one He of mandril
Mandril two is respectively equipped with the axis hole one and axis hole two of perforation, and the pull rod is by being set to main body two sides and axis hole one and axis hole two
Matched protruding shaft is movably installed between mandril one and the T connector portion of mandril two；The free end of the mandril one is from master cylinder first
The through-hole at end is axially extended, and the second end of free end from the master cylinder of mandril two is axially extended, and the second end of master cylinder, which is equipped with, to be sheathed on
Blocking portion on mandril two, the spring include set on the spring one between one T connector portion of mandril and master cylinder and being set to two T of mandril
Spring two between type head and blocking portion；
It is recessed that the T connector end surface of the mandril one and the first face of pull rod main body on the other side are equipped with first group of arc
Slot, the T connector end surface of the mandril two and the second face of pull rod main body on the other side be equipped with second group of arc groove, two groups
Groove is respectively set to gradually become shallower as on the direction of mandril and pull rod relative rotation, and the is equipped in first group of arc groove
One group of steel ball, second group of arc groove is interior to be equipped with second group of steel ball.
Further, first group of arc groove and second group of arc groove are disposed as: the sum of innermost groove depth
It is equal with the diameter of steel ball, and the difference of innermost depth and the depth most shallowly located is the maximum axial displacement of mandril.
Further, the blocking portion includes the block being sheathed on mandril two positioned at master cylinder second end, and is used for
The retaining ring that block is limited.
Further, the through hole of the master cylinder first end is equipped with the first sealing ring, is equipped between the block and master cylinder
Second sealing ring is equipped with third sealing ring between the block and mandril two.
Further, the pull rod extends the part outside master cylinder equipped with drawhead and dust cover.
The utility model has also proposed a kind of parking brake, including back-plate, a pair of of the system being installed on back-plate
Dynamic shoe plate, for driving the driving mechanism of the shoe brake, and the brake drum for being mounted on hub for vehicle wheel flange, institute
The friction plate that corresponding brake drum is equipped on the outside of shoe brake is stated, wherein the driving mechanism is that hub type brake as described above is stayed
Mechanism of car.
The novel hub type brake halting mechanism of the utility model, has compact-sized, and for bar bar than big, mechanical efficiency is high
Advantage, suitable for the scene relatively high to required braking force.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the halting mechanism embodiment of the utility model.
Fig. 2 is the schematic diagram of arc groove in Fig. 1 embodiment.
Fig. 3 is the side view of middle embodiment in Fig. 1.
Fig. 4 is the structural schematic diagram of the parking brake of the utility model.
Specific embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched below with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage for further illustrating the utility model, rather than practical to this
The limitation of novel claim.
The utility model provides a kind of novel hub type brake halting mechanism, in embodiment as shown in Figure 1, packet
Include: master cylinder 1, mandril and spring in master cylinder 1, and be installed on master cylinder 1 and with the matched pull rod 2 of mandril.
Wherein, mandril includes the T-shaped mandril 1 and mandril 2 32 in the section that is oppositely arranged in master cylinder 1, the two point
The axis hole 1 and axis hole 2 320 that She You do not penetrate through.The two sides that pull rod 2 is located at the main body 20 in master cylinder 1 are equipped with and axis hole one
310 and the matched protruding shaft 21 of axis hole 2 320, by pull rod 2 be movably installed in mandril 1 and mandril 2 32 T connector portion it
Between.
On the other hand, the through-hole of the free end of mandril 1 from 1 first end of master cylinder is axially extended, which, which goes out, is additionally provided with the
One sealing ring 71 is sealed.The second end of the free end of mandril 2 32 from master cylinder 1 is axially extended, and the second end of master cylinder 1 is equipped with
Retaining ring 6 in block 5 and edge the insertion master cylinder 1 being sheathed on mandril 2 32 for being limited to block 5.Correspondingly,
It is equipped with the second sealing ring 72 between block 5 and master cylinder 1, third sealing ring 73 is equipped between mandril 2 32.
Between the end wall that the T connector portion of mandril 1 and master cylinder 1 surround through-hole, it is provided with spring 1, elastic force
Push the T connector portion of mandril 1 to pull rod 2.Correspondingly, spring 2 42 is equipped between the T connector portion and block 5 of mandril 2 32,
Its elastic force equally pushes the T connector portion of mandril 2 32 to pull rod 2.
Further, the T connector end surface of mandril 1 and the first face of pull rod main body on the other side are equipped with first group
Arc groove, the T connector end surface of mandril 2 32 and the second face of pull rod main body on the other side are equipped with second group of arc groove.
It is illustrated in figure 2 the schematic diagram of the arc groove 311 on the T connector end surface of mandril 1, for those skilled in the art
Member understands its set-up mode.
Specifically, two groups of grooves are respectively set to gradually become shallower as on the direction of mandril and pull rod relative rotation, meanwhile, the
It is equipped with first group of steel ball in one group of arc groove, is equipped with second group of steel ball 304 in second group of arc groove.
Preferably, the sum of two groups of above-mentioned innermost groove depths of groove are equal with the diameter of steel ball, and most
The difference of the depth of depths and the depth most shallowly located is the maximum axial displacement of mandril.
Preferably, as shown in figure 3, pull rod 2 extends the part outside master cylinder 1 equipped with drawhead 22 and dust-proof
Cover 23, wherein drawhead 22 is for connecting ex-ternal transmission bar.
The utility model additionally provides a kind of parking brake, in embodiment as shown in Figure 4 comprising back-plate
1001, a pair of of the shoe brake 1002 being installed on back-plate 1001, for driving the driving mechanism of shoe brake 1002
1004, and the brake drum 1003 for being mounted on hub for vehicle wheel flange, corresponding brake drum is equipped on the outside of shoe brake 1002
Friction plate.Since the structure of hub type brake has been well known to those skilled in the art, it will not be described in detail here.
Parking brake in the present embodiment, it is characterized in that above-mentioned driving mechanism is the hub provided in previous embodiment
Formula brake halting mechanism.Illustrate its working principle below:
Steel ball is maintained at the minimum point of arc groove when not working, i.e., at parking strut since the elastic force of spring is acted on
In original state.When halting mechanism work, pull rod rotation is pulled, the groove on pull rod generates phase with the groove on parking strut
To displacement, steel ball is rolled along groove accordingly, is ejected parking strut to two sides to generate ejecting force, the parking top of ejection
Bar pushes shoe plate to compress brake drum and realizes parking function.When discharging halting mechanism, under compression spring effect, steel ball is pushed back
To groove minimum point, pull rod return is realized.
The method and its core concept of the above embodiments are only used to help understand the utility model.It should refer to
It out, for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection scope of the utility model claims
It is interior.
Claims (6)
1. a kind of novel hub type brake halting mechanism characterized by comprising master cylinder (1), the mandril being set in master cylinder (1)
And spring, and be installed on master cylinder (1) and with the matched pull rod of the mandril (2)；Wherein,
The mandril is included in the T-shaped mandril one (31) and mandril two (32) in the section being oppositely arranged in master cylinder (1), the top
Bar one (31) and mandril two (32) are respectively equipped with the axis hole one (310) and axis hole two (320) of perforation, and the pull rod (2) is by setting
Mandril one (31) is movably installed in axis hole one (310) and the matched protruding shaft of axis hole two (320) (21) in main body (20) two sides
Between the T connector portion of mandril two (32)；The through-hole of the free end of the mandril one (31) from master cylinder (1) first end is axially stretched
Out, the second end of the free end of mandril two (32) from master cylinder (1) is axially extended, and the second end of master cylinder (1), which is equipped with, is sheathed on mandril
Blocking portion on two (32), the spring include set between mandril one (31) T connector portion and master cylinder (1) spring one (41) and
Spring two (42) between mandril two (32) T connector portion and blocking portion；
The T connector end surface of the mandril one (31) and the first face of pull rod main body on the other side are equipped with first group of arc groove
(300), it is recessed to be equipped with second group of arc for the T connector end surface of the mandril two (32) and the second face of pull rod main body on the other side
Slot (302), two groups of grooves are respectively set to gradually become shallower as on the direction of mandril and pull rod relative rotation, first group of arc
It is equipped with first group of steel ball (303) in groove (300), is equipped with second group of steel ball (304) in second group of arc groove (302).
2. novel hub type brake halting mechanism as described in claim 1, which is characterized in that first group of arc groove
(300) be disposed as with second group of arc groove (302): the sum of innermost groove depth is equal with the diameter of steel ball, and bosom
Depth and the depth most shallowly located difference be mandril maximum axial displacement.
3. novel hub type brake halting mechanism as described in claim 1, which is characterized in that the blocking portion includes being located at master
The block (5) being sheathed on mandril two (32) of cylinder (1) second end, and the retaining ring (6) for being limited to block (5).
4. novel hub type brake halting mechanism as claimed in claim 3, which is characterized in that master cylinder (1) first end
Through hole is equipped with the first sealing ring (71), is equipped with the second sealing ring (72) between the block (5) and master cylinder (1), the block
(5) third sealing ring (73) are equipped between mandril two (32).
5. novel hub type brake halting mechanism according to any one of claims 1-4, which is characterized in that the pull rod (2)
Extend the part of master cylinder (1) outside equipped with drawhead (22) and dust cover (23).
6. a kind of parking brake, including back-plate (1001), a pair of of the shoe brake being installed on back-plate (1001)
(1002), for driving the driving mechanism (1004) of the shoe brake (1002), and for being mounted on hub for vehicle wheel flange
On brake drum (1003), the friction plate of corresponding brake drum is equipped on the outside of the shoe brake (1002), it is characterised in that: described
Driving mechanism (1004) is hub type brake halting mechanism as described in any one in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212392.4U CN209366123U (en) | 2018-12-27 | 2018-12-27 | A kind of novel hub type brake halting mechanism and brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212392.4U CN209366123U (en) | 2018-12-27 | 2018-12-27 | A kind of novel hub type brake halting mechanism and brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209366123U true CN209366123U (en) | 2019-09-10 |
Family
ID=67827529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822212392.4U Active CN209366123U (en) | 2018-12-27 | 2018-12-27 | A kind of novel hub type brake halting mechanism and brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209366123U (en) |
-
2018
- 2018-12-27 CN CN201822212392.4U patent/CN209366123U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Wanan Zhiyu Automobile Control System Co.,Ltd. Address before: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG ZHUJI MANPOWER MACHINERY CO.,LTD. |