A kind of disc brake unit based on pressure rotation
Art
The invention belongs to automobile brake technical field, more particularly to a kind of disc brake unit based on pressure rotation.
Background technology
Automobile brake largely produces pressure using hydraulic drive brake block and brake disc at present, by frictional force to brake
Disk is braked.In braking procedure, disc surface all contacts with brake panel surface, when brake block because certain once brakes
Occur brake block heating rapidly wear, and brake block service life then time abrasion, that is, need to change immediately, it is no
Then influence whether traffic safety.In addition for brake block, the high brake block of performance and the low brake block price difference of performance
Larger, often everybody buys the brake block of medium-performance, both ensure that quality or has met price endurance.It is but medium after all
Brake block is not so good as the measured brake block of matter in performance by force in a flash, a kind of safety contradiction with Price Impact.
A kind of disc brake unit based on pressure rotation of present invention design solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of disc brake list based on pressure rotation
Member, it is realized using following technical scheme.
A kind of disc brake unit based on pressure rotation, it is characterised in that:It includes brake disc, first brake list
Member, the second brake units, rotating shaft, wherein brake disc are arranged on rotating shaft one end, first brake unit and the second brake units structure
It is identical and be symmetrically mounted on automobile chassis, and first brake unit and the second brake units are located at brake disc both sides.
Above-mentioned first brake unit includes hydraulic column, brake units connection shell, brake block support, power plate, brake units
Hydraulic case, force application spring, screwed hole, the first support plate, the second support plate, stretching structure, wherein brake units connection shell, which are arranged on, to be stopped
On car unit hydraulic case and both internal cavities communicate;First brake unit and the second brake units pass through respective brake units
Connection shell phase connects, and is communicated in junction inner chamber;Two hydraulic columns are arranged on brake units hydraulic case side by side, and two
Hydraulic column one end is located at the brake units hydraulic case inside other end outside brake units hydraulic case;Power plate is arranged on two liquid
On compression leg;One the first support plate and two the second support plates form a screwed hole supporting construction, and two screwed hole supporting constructions are simultaneously
Row are arranged on brake units hydraulic case;For each screwed hole supporting construction, the first support plate both ends pass through two second
Plate is arranged on brake units hydraulic case, and two the second support plates are located at power plate both sides respectively, are provided with the first support plate center
Screwed hole;Two stretching structures are arranged on power plate side by side, and two stretching structures are each passed through on two the first support plates
Screwed hole;Two brake block supports are separately mounted to two stretching structure one end;Two are separately installed with the outside of two stretching structures
Individual force application spring.
Above-mentioned stretching structure includes flexible overcoat, limit sliding chutes, guide rail sliding chute, flexible interior bar, guide rail, limited block, spacing
Plate, limit guide rail groove, rotary stopper plate, rotation clamp, clamp set, wherein clamp set for circular ring structure and are arranged on power plate one
Side, flexible overcoat one end are provided with rotation clamp, and it is internal that rotation clamp is arranged on clamp set, rotary stopper plate be circular ring structure and
Put installed in clamp, flexible overcoat passes through rotary stopper plate center;Occur outside flexible overcoat for helicitic texture and screwed hole
Screw thread coordinates;Flexible jacket internal is symmetrically provided with two limit sliding chutes and is symmetrically provided with two guide rail sliding chutes, and two spacing cunnings
The plane of symmetry of groove and two guide rail sliding chutes is mutually perpendicular to;Two guide rails are symmetrically installed with flexible interior bar and in flexible interior bar one end
Two limited blocks are symmetrically installed with, and the plane of symmetry of two guide rails and two limited blocks is mutually perpendicular to;Flexible interior bar by guide rail,
Limited block is respectively cooperating with being arranged on outside flexible and put with guide rail sliding chute, limit sliding chutes;Two are symmetrically provided with limiting plate spacing to lead
Track slot, limiting plate are arranged on outside flexible and put, and limit guide rail groove coordinates with guide rail.
Above-mentioned two force application spring one end be separately mounted to two it is flexible outer put, the other end is separately mounted to two brakes
In piece support, and it is respectively nested on the outside of two flexible interior bars.
It is circumferential on above-mentioned brake disc to be uniformly provided with wheel fixing hole as the further improvement of this technology.
As the further improvement of this technology, brake block is installed in above-mentioned brake block support.
Relative to traditional automobile brake technology, first brake unit passes through respective with the second brake units in the present invention
Brake units connection shell connection, and on vehicle frame, and positioned in brake disc both sides.Two brake units connect in junction
Internal between shell to communicate, the hydraulic column being arranged on by hydraulic action control on brake units hydraulic case stretches;Stretching structure
Flexible jacket internal is nested in for flexible interior bar, be able to can be changed with mutually nested slip, its overall length;Flexible overcoat bottom
Rotation clamp is installed, rotation clamp is limited in clamp set inside by rotary stopper plate, can cover internal rotating in clamp, so
Be designed to ensure that telescopic is fixed on power plate and can freely enclosed and rotate about the axis.Flexible overcoat can be with power
Plate moves in the case where hydraulic column is flexible along telescopic axis direction, is moving the screw thread of simultaneous retractable outer jacket surface with being fixed on
Screwed hole on the first support plate on brake units hydraulic case coordinates, and produces rotation, drives flexible interior bar to rotate by guide rail, enters
And the brake block support in flexible interior bar is driven to rotate.In brake process, brake block and brake disc also not in contact with
When, brake block supports under the action of the spring, and flexible overcoat, power plate, hydraulic column associated movement, while coordinates in screw thread
Under, stretching structure and brake block are supported on rotation;After brake block starts to contact with brake disc, brake block is supported on expansion link axle
The linear motion in line direction will be limited, and when hydraulic column continues motion, stretch the distance between overcoat and brake block support
Constantly reducing, force application spring is compressed, and is compressed simultaneously in force application spring, the effect of spring make brake block and brake disc it
Between generate interaction force, and then brake block plays a part of brake;In brake process is continued, hydraulic column continues to extend,
Spring continues to compress, and the pressure of brake block and brake disc continues to increase, and at the same time, brake block is rotating, on brake block with
The contact surface of brake disc is changing, that is to say, that light stop from brake block rubbing surface used in brake by force is different.When driving
When the custom that the person of sailing drives is relatively good, frequent light brake of driving, the face that brake block is often worn is a fixed part, is braked
The brake pad wear for also having other one piece on piece is less, when the time that brake block uses is longer, light used stop of stopping
Car is unilateral to there is failure because of abrasion, at this moment strong to stop and ensure traffic safety, is ground because brake block is part
Damage.At this moment the failure of the light brake of braking mechanism can give driver one to change brake block prompting, but now braking mechanism is strong
The part face of brake block used in brake has not expired.Present invention utilizes light stop to differ with brake block abrading section by force in a flash
Sample so that people can either have recognized the need to replacing brake block in light brake failure, and and can utilizes strong continuation security row of stopping
Sail.Other brake block when mounted, gently the working face of brake block can install slightly more secondary brake block in a flash, and is being stopped by force
When brake block working face can with the higher brake block of installation quality, so do improve vehicle braking security, simultaneously
It ensure that economy.
Brief description of the drawings
Fig. 1 is flexible jacket structure schematic diagram.
Fig. 2 is flexible interior bar structural representation.
Fig. 3 is flexible interior bar and flexible overcoat scheme of installation.
Fig. 4 is limiting plate scheme of installation.
Fig. 5 is spacing plate structure schematic diagram.
Fig. 6 is brake structure schematic diagram.
Fig. 7 is brake structure side view.
Fig. 8 is first brake cellular construction schematic diagram.
Fig. 9 is first brake unit top view.
Figure 10 is hydraulic column scheme of installation.
Figure 11 is the first support plate, the second support plate scheme of installation.
Figure 12 is stretching structure scheme of installation.
Figure 13 is rotation clamp scheme of installation.
Figure 14 is clamp set scheme of installation.
Figure 15 is rotary stopper plate scheme of installation.
Label title in figure:1st, stretch overcoat, and 2, limit sliding chutes, 3, guide rail sliding chute, 4, flexible interior bar, 5, guide rail, 6, limit
Position block, 7, limiting plate, 8, limit guide rail groove, 11, brake disc, 12, wheel fixing hole, 13, first brake unit, 14, second stops
Car unit, 15, rotating shaft, 16, hydraulic column, 17, brake units connection shell, 18, brake block support, 19, power plate, 20, brake it is single
First hydraulic case, 21, force application spring, 23, screwed hole, the 24, first support plate, the 25, second support plate, 26, stretching structure, 27, rotation limit
Position plate, 28, rotation clamp, 29, clamp set.
Embodiment
As shown in Figure 6,7, it includes brake disc 11, first brake unit 13, the second brake units 14, rotating shaft 15, wherein
Brake disc 11 is arranged on the one end of rotating shaft 15, and first brake unit 13 is identical with the structure of the second brake units 14 and symmetrically pacifies
On automobile chassis, and the brake units 14 of first brake unit 13 and second are located at the both sides of brake disc 11.
As shown in Figure 8,9, above-mentioned first brake unit 13 includes hydraulic column 16, brake units connection shell 17, brake block branch
It is support 18, power plate 19, brake units hydraulic case 20, force application spring 21, screwed hole 23, the first support plate 24, the second support plate 25, flexible
Structure 26, wherein as shown in fig. 6, brake units connection shell 17 is arranged on brake units hydraulic case 20 and both internal cavities phases
It is logical;First brake unit 13 is connected shell 17 by respective brake units with the second brake units 14 and is connected with each other, in junction
Inner chamber communicates;As shown in Figure 10, two hydraulic columns 16 are arranged on brake units hydraulic case 20 side by side, and two hydraulic columns 16
One end is located at the inside other end of brake units hydraulic case 20 outside brake units hydraulic case 20;As shown in figure 11, power plate 19
On two hydraulic columns 16;One the first support plate 24 and two the second support plates 25 form a supporting construction of screwed hole 23,
Two supporting constructions of screwed hole 23 are arranged on brake units hydraulic case 20 side by side;For each supporting construction of screwed hole 23,
The both ends of first support plate 24 are arranged on brake units hydraulic case 20 by two the second support plates 25, and two the second support plates 25 are distinguished
Positioned at the both sides of power plate 19, screwed hole 23 is provided with the center of the first support plate 24;As shown in figure 12, two stretching structures 26 are pacified side by side
On power plate 19, and two stretching structures 26 are each passed through the screwed hole 23 on two the first support plates 24;Two brake blocks
Support 18 is separately mounted to two one end of stretching structure 26;Two outsides of stretching structure 26 are separately installed with two force application springs
21。
As shown in Fig. 4,13, above-mentioned stretching structure 26 includes flexible overcoat 1, limit sliding chutes 2, guide rail sliding chute 3, flexible interior bar
4th, guide rail 5, limited block 6, limiting plate 7, limit guide rail groove 8, rotary stopper plate 27, rotation clamp 28, clamp set 29, wherein as schemed
13rd, shown in 14, clamp set 29 is circular ring structure and is arranged on the side of power plate 19, and flexible one end of overcoat 1 is provided with rotation clamp
28, rotation clamp 28 is arranged on inside clamp set 29, and as shown in figure 15, rotary stopper plate 27 is circular ring structure and is arranged on clamp
On set 29, flexible overcoat 1 passes through the center of rotary stopper plate 27;For helicitic texture and screwed hole 23 spiral shell occurs for the flexible outside of overcoat 1
Line coordinates;As shown in figure 1, the flexible internal symmetry of overcoat 1 is provided with two limit sliding chutes 2 and is symmetrically provided with two guide rail sliding chutes 3, and
The plane of symmetry of two limit sliding chutes 2 and two guide rail sliding chutes 3 is mutually perpendicular to;As shown in Fig. 2 it is symmetrically installed with flexible interior bar 4
Two guide rails 5 and it is symmetrically installed with two limited blocks 6, and pair of two guide rails 5 and two limited blocks 6 in flexible one end of interior bar 4
Title face is mutually perpendicular to;As shown in figure 3, flexible interior bar 4 is matched somebody with somebody respectively by guide rail 5, limited block 6 and guide rail sliding chute 3, limit sliding chutes 2
Close and be arranged on flexible overcoat 1;As shown in Figure 4,5, two limit guide rail grooves 8 are symmetrically provided with limiting plate 7, limiting plate 7 is installed
On flexible overcoat 1, and limit guide rail groove 8 coordinates with guide rail 5.
As shown in Figure 10, the one end of above-mentioned two force application spring 21 is separately mounted on two flexible overcoats 1, other end difference
In two brake block supports 18, and it is respectively nested in two flexible outsides of interior bar 4.
As shown in fig. 6, circumferential on above-mentioned brake disc 11 be uniformly provided with wheel fixing hole 12.
Brake block is installed in above-mentioned brake block support 18.
In summary, as shown in fig. 6, the brake units 14 of first brake unit 13 and second pass through respective brake in the present invention
Car unit connection shell 17 connects, and on vehicle frame, and positioned in the both sides of brake disc 11.As shown in figure 8, two brake units
Inside communicates between shell is connected in junction, passes through the hydraulic column 16 that hydraulic action control is arranged on brake units hydraulic case 20
It is flexible;Stretching structure 26 is that flexible interior bar 4 is nested in inside flexible overcoat 1, can be with mutually nested slip, and its overall length is can be with
Change;The flexible bottom of overcoat 1 is provided with rotation clamp 28, and rotation clamp 28 is limited in clamp set 29 by rotary stopper plate 27
Portion, 29 internal rotatings can be covered in clamp, it is such to be designed to ensure that telescopic is fixed on power plate 19 and be free
Enclose and rotate about the axis.Flexible overcoat 1 can move with power plate 19 in the case where hydraulic column 16 is flexible along telescopic axis direction,
Screw thread on the first support plate 24 for moving the screw thread of the outer surface of simultaneous retractable overcoat 1 and being fixed on brake units hydraulic case 20
Hole 23 coordinates, and produces rotation, drives flexible interior bar 4 to rotate by guide rail 5, and then the brake block branch in flexible interior bar 4
Support 18 is driven to rotate.In brake process, brake block and brake disc 11 also not in contact with when, work of the brake block support 18 in spring
Under, and flexible overcoat 1, power plate 19, the associated movement of hydraulic column 16, while under screw thread cooperation, stretching structure 26 and brake
Piece support 18 is rotating;After brake block starts to contact with brake disc 11, brake block support 18 is in the straight of expansion link axis direction
Line motion will be limited, and when hydraulic column 16 continues motion, flexible overcoat 1 and brake block support the distance between 18 is continuous
Reduction, force application spring 21 compressed, compressed simultaneously in force application spring 21, the effect of spring make brake block and brake disc 11 it
Between generate interaction force, and then brake block plays a part of brake;In brake process is continued, hydraulic column 16 continues to stretch
Long, spring continues to compress, and the pressure of brake block and brake disc 11 continues to increase, and at the same time, brake block is rotating, on brake block
Changed with the contact surface of brake disc 11, that is to say, that it is light stop with strong brake used in brake block rubbing surface be different
's.When the custom that driver drives is relatively good, light brake of driving often, the face that brake block is often worn is a fixed part
, the brake pad wear for also having other one piece on brake block is less, and when the time that brake block uses is longer, light stop is made
Brake is unilateral to there is failure because of abrasion, at this moment strong to stop and ensure traffic safety, because brake block is
Part wears.At this moment the failure of the light brake of braking mechanism can give driver one to change brake block prompting, but now braking machine
The part face of brake block has not expired used in the strong brake of structure.Stopped and strong brake block wear in a flash present invention utilizes light
Position is different so that people can either have recognized the need to replacing brake block in light brake failure, and and can utilizes strong continuation of stopping
Safety traffic.Other brake block when mounted, gently the working face of brake block can install slightly more secondary brake block in a flash, and
By force in a flash the working face of brake block can with the higher brake block of installation quality, so do improve vehicle braking safety
Property, while ensure that economy.