CN208749885U - A kind of manual adjusting device of air-pressure disc brake - Google Patents
A kind of manual adjusting device of air-pressure disc brake Download PDFInfo
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- CN208749885U CN208749885U CN201821266248.2U CN201821266248U CN208749885U CN 208749885 U CN208749885 U CN 208749885U CN 201821266248 U CN201821266248 U CN 201821266248U CN 208749885 U CN208749885 U CN 208749885U
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- hand adjustment
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- disc brake
- hand
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Abstract
The utility model discloses a kind of manual adjusting devices of air-pressure disc brake, hand adjustment axis including being set to air disc brake, air disc brake has included the caliper of carrying and mounting bracket effect, the end of caliper is provided with support, hand adjustment axis exposes to caliper and the end sliding bar of support is connected with hand adjustment cap, hand adjustment cap is provided with the structure for manually adjusting standard tool for cooperating air-pressure disc brake, manually adjusts standard tool and connect with hand adjustment cap sliding bar；Hand adjustment cap and the structure setting of hand adjustment axis cooperation in the inside of hand adjustment cap, hand adjustment cap with manually adjust the structure setting of standard tool cooperation in the outside of hand adjustment cap；Hand adjustment cap bearing strength is less than hand adjustment axis.The beneficial effect of this programme can be according to the description of the above program; structure is simple; design rationally, that is, avoids the brake clearance of air-pressure disc brake from amateur adjustment, and realize the overload protection to air-pressure disc brake internal clearance automatic mechanism and hand adjustment assembly.
Description
Technical field
The utility model relates to one kind to draw commercial disc brake for vehicles more particularly to a kind of hand of air-pressure disc brake
Dynamic adjustment device.
Background technique
Air-pressure disc brake involved by the application is disclosed in such as patent CN 201210048515.It is saying
It is the prior art of air-pressure disc brake manual adjusting device shown in Fig. 1 of bright book attached drawing, hand adjustment axis is Pneumatic disc type system
The dynamic one of components of device clearance adjustment mechanism, hand adjustment shaft end portion is hexagon head structure.Manually adjust air-pressure disc type brake
When device gap, specific purpose tool directly rotates the turret head in hand adjustment shaft end portion, drives the gap inside air-pressure disc brake indirectly
Automatic mechanism, and then realize that the gap between brake block and brake disc adjusts.This air-pressure disc brake manually adjusts
Device easily makes air-pressure disc brake due to by amateur adjustment or the excessive failure of turning moment.
Utility model content
The utility model is to be directed to deficiency of the prior art, and provide a kind of simple structure and reasonable design, i.e.,
It avoids the brake clearance of air-pressure disc brake from amateur adjustment, and realizes to air-pressure disc brake internal clearance certainly
A kind of manual adjusting device of air-pressure disc brake of the overload protection of dynamic adjustment mechanism and hand adjustment assembly.
To achieve the goals above, the utility model provides a kind of manual adjusting device of air-pressure disc brake, packet
The hand adjustment axis for being set to air disc brake is included, the air disc brake has included the pincers of carrying and mounting bracket effect
Body, the caliper are provided with cavity, and the end of the caliper is provided with support, the hand adjustment axis pass through the caliper cavity and
The support enters the exterior space of the caliper, and the hand adjustment axis exposes to the caliper and connects with the end sliding bar of support
There is hand adjustment cap, the hand adjustment cap is provided with the structure for manually adjusting standard tool for cooperating air-pressure disc brake, described
It is that sliding bar is connect that standard tool, which is manually adjusted, with the hand adjustment cap connection type；What the hand adjustment cap and the hand adjustment axis cooperated
Structure setting is in the inside of the hand adjustment cap, and the hand adjustment cap and the structure setting for manually adjusting standard tool cooperation are in institute
State the outside of hand adjustment cap；The hand adjustment cap bearing strength is less than the hand adjustment axis.
Wherein, the end of the exterior space positioned at the caliper of the hand adjustment axis is provided with external splines, the hand adjustment axis
The hand adjustment cap is slidably connected by the external splines, the hand adjustment cap is provided with the internal spline with external splines cooperation；
The intensity of the external splines is greater than the intensity of the internal spline.
Further, the spline pattern of hand adjustment axis and hand adjustment cap is involute spline, and hand adjustment shaft material is 45# high quality carbon
Plain structural steel, hand adjustment cap material are 35# high-quality structural steel cold drawing steel；Hand adjustment axis spline active length 7mm, spline working depth
1mm；Hand adjustment badge on a cap key active length 3mm, working depth 1mm.
The lateral ends of the hand adjustment cap are set as cylindrical body, and one end is set as hexagon head structure.
The rubber cap connecting with the support is provided with outside the hand adjustment cap, the support outer end is provided with annular groove,
The annular groove bottom is provided with the step of protrusion close to the side of the block end；The rubber cap includes ring-shaped cylinder
Body, the circular cylinder are socketed on the lesser bottom of annular groove diameter；The rubber cap further includes and the annular is round
The cap body of cylinder connection, the cavity shape of the cap body cooperate the end of the support and the shape of the hand adjustment cap, the cap
The bottom of body is along radially inward annular ridge is provided with, and the annular ridge and the annular groove are close to the end of the support
Side wall cooperation.
It is individually present in the present solution, the hand adjustment cap can be detached from air-pressure disc brake, is placed in automobile basic hand tool
Case can also be placed on the brake, to realize this function, a kind of rubber cap is provided with, for dust-proof.The rubber cap material
It is rubber, prevents dust and other impurities from entering air-pressure disc brake, cap structure is set, facilitates folding, setting annular
Structure prevents rubber cap from falling off also to connect with support when guaranteeing that rubber cap is opened, on the inside of ring structure and outside support cylindrical body
Side clearance cooperation, end and cylindrical body step cooperate, and ring structure is prevented to be detached from support.The hand adjustment axis is air-pressure disc type brake
The one of components of device clearance adjustment mechanism, the structure and working principle of air-pressure disc brake clearance adjustment mechanism are
It is disclosed.The hand adjustment cap is connect with hand adjustment shaft end slides bar, and connection type can be arbitrary design form, is preferably spent
Key cooperation is driven sensitiveer and stablizes.The setting position of the hand adjustment cap and hand adjustment axis fit structure can be arbitrarily, excellent
Choosing setting is that hand adjustment cap is arranged in inside, i.e. internal spline, and the outside of end, i.e. external splines is arranged in hand adjustment axis, economical
With functional advantage.The fit form of the hand adjustment cap and standard tool can be designed according to standard tool, preferably turret head,
It is easy to the selection of standard tool.The hand adjustment cap has overload protection function, and the realization of this function can be by hand adjustment cap
The structure of portion's setting and the cooperation of hand adjustment axis can also be protected by the external structure with standard tool cooperation, the utility model overload
Spline structure is preferably arranged in protection structure inside hand adjustment cap, i.e., the turning moment that ought be applied on hand adjustment cap is more than design moment
When, spline failure, hand adjustment cap is with failure, but hand adjustment axis the slightest is lossless.The structure of the hand adjustment cap can be multiplicity.It is described
Hand adjustment axis is further developed in the prior art, in the exposed caliper position design of hand adjustment axis with the hand adjustment cap
The structure of portion's structure matching.
The structure of hand adjustment cap 1 described in this patent can there are many selections, and preferably the structure setting with standard tool cooperation exists
Outside, and be hexagon head structure.I.e. one end is hexagon head structure, and side is cylindrical body, is held with facilitating, and internal structure is preferably spent
Bond structure, spline runs through this cylindrical body, with hand adjustment axis spline fitted.
The subsidiary overload structure of hand adjustment cap described in this patent is preferably provided at hexagon head structure, when being applied on hand adjustment cap
Turning moment when being more than design value, the failure of internal structure internal spline, hand adjustment cap also fails therewith, hand adjustment axis spline the slightest without
Damage.
When the manual adjusting device of air-pressure disc brake uses:
Rubber cap is opened, hand adjustment cap is placed on hand adjustment axis, rotates hand adjustment cap with standard tool, hand adjustment cap passes through spline
Rotate hand adjustment axis, hand adjustment axis drive air-pressure disc brake automatic adjustment mechanism for gap, between brake block and brake disc between
Gap is adjusted, and realize air-pressure disc brake manually adjusts function.If the turning moment being applied on hand adjustment cap is super
The setting value of air-pressure disc type brake out, hand adjustment cap inside and the fit structure of hand adjustment axis fail, i.e., hand adjustment cap fails, to protect gas
The associated inner part of press disc type brake.
When air-pressure disc brake manual adjusting device leaves unused:
Hand adjustment cap can be retained in above air-pressure disc brake, buckle rubber cap.It can also be by hand adjustment cap from air pressure disk
Formula brake is taken off, and driver's tool case is put into.
The beneficial achievement of the technical program is learnt according to the narration of this programme, is had the advantages of simple structure and easy realization, that is, avoids air pressure
The brake clearance of disk brake is realized from amateur adjustment to air-pressure disc brake internal clearance automatic adjusting machine
The overload protection of structure and hand adjustment assembly.
Detailed description of the invention
The example for describing the utility model below according to attached drawing:
Fig. 1 is the prior art of air-pressure disc brake manual adjusting device.
Fig. 2 is the schematic three dimensional views of the utility model air-pressure disc brake manual adjusting device；
Fig. 3 is the utility model air-pressure disc brake；
Fig. 4 is the partial sectional view of air-pressure disc brake manual adjusting device described in the utility model；
Fig. 5 is the schematic three dimensional views of air-pressure disc brake rubber cap described in the utility model；
In figure: 1, hand adjustment cap；1a, hexagon head structure；1b, internal structure；1c, cylindrical body；2, hand adjustment axis；3, Pneumatic disc type
Brake；4, caliper；5, rubber cap；5a, cap body；5b, circular cylinder；6, support.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
As shown in Figure 2-5, the present embodiment is a kind of manual adjusting device of air-pressure disc brake, including is set to pneumatic
The hand adjustment axis 2 of disk brake 3, air disc brake 3 have included the caliper 4 of carrying and mounting bracket effect, and caliper 4 is arranged
There is cavity, the end of caliper 4 is provided with support 6, and hand adjustment axis 2 passes through the cavity of caliper 4 and support 6 enters the external empty of caliper 4
Between, hand adjustment axis 2 exposes to caliper 4 and the end sliding bar of support 6 is connected with hand adjustment cap 1, and hand adjustment axis 2 is located at the outer of caliper 4
The end in portion space is provided with external splines, and hand adjustment axis 2 slidably connects hand adjustment cap 1 by external splines, and hand adjustment cap 1 is provided with and outside
The internal structure 1b of spline fitted is provided with internal spline；The intensity of external splines is greater than the intensity of internal spline.Hand adjustment axis 2 and hand adjustment cap
1 spline pattern is involute spline, and 2 material of hand adjustment axis is 45# carbon constructional quality steel, and 1 material of hand adjustment cap is the high-quality knot of 35#
Structure steel cold drawing steel；Hand adjustment axis 2 spline active length 7mm, spline working depth 1mm；1 spline active length 3mm of hand adjustment cap, work
Make height 1mm.
The lateral ends of hand adjustment cap 1 are set as cylindrical body 1c, and one end is set as hexagon head structure 1a.
The rubber cap 5 connecting with support 6 is provided with outside hand adjustment cap 1,6 outer end of support is provided with annular groove, annular groove bottom
Portion is provided with the step of protrusion close to the side of block end；Rubber cap 5 includes circular cylinder 5a, circular cylinder 5a set
It is connected to the lesser bottom of annular groove diameter；Rubber cap 5 further includes the cap body 5b connecting with circular cylinder 5a, the inner cavity of cap body 5b
Shape cooperates the end of support and the shape of hand adjustment cap 1, and the bottom edge of cap body 5b is provided with radially inward annular ridge, convex annular
The side wall of rib and annular groove close to the end of support cooperates.
The structure of this patent hand adjustment cap 1 can there are many selections, as shown in figure 3, it is preferred that the structure cooperated with standard tool
It is arranged in outside, and is hexagon head structure 1a.I.e. one end is hexagon head structure 1a, and side is cylindrical body 1c, is held with facilitating, interior
The preferred spline structure of portion structure 1b, spline runs through this cylindrical body, with 2 spline fitted of hand adjustment axis.
The subsidiary overload structure of this patent hand adjustment cap 1 is preferably provided at hexagon head structure 1a, when being applied on hand adjustment cap 1
Turning moment when being more than design value, the failure of internal structure 1b internal spline, hand adjustment cap 1 also fails therewith, hand adjustment axis spline the slightest
It is lossless.
Its implementation is as follows:
1 spline fitted of hand adjustment axis 2 and hand adjustment cap, spline pattern be involute spline, the two material and involute parameter into
The design of row differentiation.
Hand adjustment shaft material is 45# carbon constructional quality steel, and hand adjustment cap material is 35# high-quality structural steel cold drawing steel.
Involute spline relevant parameter such as table 1.Fatigue strength according to air-pressure disc brake adjustment mechanism components is true
Determine maximum moment TmaxThe turning moment T being applied on hand adjustment axis spline must not exceed Tmax.It is designed according to mechanical design handbook
Hand adjustment axis and hand adjustment cap involute spline parameter, tooth form meet DIN 5840-1, involute strength calculation formula such as formula
(1), according to formula (1), TmaxAnd the spatial design hand adjustment axis Parameter of spline of hand adjustment axis 2,2 involute spline of hand adjustment axis work length
Degree (uses symbol IHand adjustment axisIndicate), hand adjustment axis 2 needs to consider the space requirement of rubber cap 5 when designing, i.e. hand adjustment axis 2 meets rubber
5 inner space of cap.
According to the spatial design hand adjustment cap involute spline of formula (2), formula (3) and hand adjustment cap 1, active length (is used
Symbol lHand adjustment capIndicate) meet formula 3.
Table 1: involute pa-rameter symbols indicate
IHand adjustment axis≥n×lHand adjustment cap(wherein n be safety coefficient, >=2) (3)
Remarks: hand adjustment axis spline active length 7mm, spline working depth 1mm, hand adjustment badge on a cap key active length 3mm, work
Make height 1mm.
Hand adjustment axis 2 is the one of components of 1 automatic adjustment mechanism for gap of air-pressure disc brake, outside hand adjustment axis 2
Reveal the position setting and the matched spline of hand adjustment cap 1, the structure and work of 3 clearance adjustment mechanism of air-pressure disc brake of caliper 4
Principle is disclosed.
5 material of rubber cap is rubber, for preventing dust and other impurities.Cap body 5a is set, facilitates operation, is lifted with hand
Dynamic i.e. openable rubber cap, on the inside of circular cylinder 5b with 6 exterior circular column clearance fit of support, circular cylinder end with branch
Seat 6 steps cooperation, prevents rubber cap 5 to be detached from support 6.
When the manual adjusting device of air-pressure disc brake 3 uses:
Rubber cap 5 is opened, hand adjustment cap 1 is placed on hand adjustment axis 2, rotates hand adjustment cap 3 with standard tool, hand adjustment cap 3 is logical
Spline rotation hand adjustment axis 2 is crossed, hand adjustment axis 2 drives the automatic adjustment mechanism for gap of air-pressure disc brake 3, brake block and brake disc
Between gap adjusted, realize air-pressure disc brake 3 manually adjusts function.If be applied on hand adjustment cap 1
Turning moment exceeds the setting value of air-pressure disc type brake 3, and 1 inside of hand adjustment cap and the fit structure of hand adjustment axis 2 fail, i.e. hand adjustment cap
1 failure, to protect the associated inner part of air-pressure disc brake 3.
When 3 manual adjusting device of air-pressure disc brake leaves unused:
Hand adjustment cap 1 can be retained in above air-pressure disc brake 3, buckle rubber cap 5.It can also be by hand adjustment cap 1 from gas
Press disc type brake 3 is taken off, and driver's tool case is put into.
Technical characteristic of the utility model without description can realize that details are not described herein by or using the prior art,
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in the essential scope of the utility model, also should belong to
The protection scope of the utility model.
Claims (5)
1. a kind of manual adjusting device of air-pressure disc brake, the hand adjustment axis including being set to air disc brake is described
Air disc brake has included the caliper of carrying and mounting bracket effect, and the caliper is provided with cavity, the end of the caliper
Portion is provided with support, and the hand adjustment axis enters the exterior space of the caliper across the cavity of the caliper and the support,
It is characterized in that, the hand adjustment axis exposes to the caliper and the end sliding bar of support is connected with hand adjustment cap, and the hand adjustment cap is set
Be equipped with the structure for manually adjusting standard tool for cooperating air-pressure disc brake, it is described manually adjust standard tool with it is described
Hand adjustment cap connection type is sliding bar connection；The hand adjustment cap and the structure setting of hand adjustment axis cooperation are in the hand adjustment cap
Inside, the hand adjustment cap and the structure setting for manually adjusting standard tool cooperation are in the outside of the hand adjustment cap；The hand
Cap bearing strength is adjusted to be less than the hand adjustment axis.
2. the manual adjusting device of a kind of air-pressure disc brake according to claim 1, which is characterized in that the hand
The end of the exterior space positioned at the caliper of axis is adjusted to be provided with external splines, the hand adjustment axis is connected by external splines sliding
It is connected to the hand adjustment cap, the hand adjustment cap is provided with the internal spline with external splines cooperation；The intensity of the external splines is greater than
The intensity of the internal spline.
3. a kind of manual adjusting device of air-pressure disc brake according to claim 2, which is characterized in that hand adjustment axis and
The spline pattern of hand adjustment cap is involute spline, and hand adjustment shaft material is 45# carbon constructional quality steel, and hand adjustment cap material is 35# excellent
Matter structural steel cold drawing steel；Hand adjustment axis spline active length 7mm, spline working depth 1mm；Hand adjustment badge on a cap key active length 3mm,
Working depth 1mm.
4. a kind of manual adjusting device of air-pressure disc brake according to claim 1, which is characterized in that the hand adjustment
The lateral ends of cap are set as cylindrical body, and one end is set as hexagon head structure.
5. a kind of manual adjusting device of air-pressure disc brake according to claim 1, which is characterized in that the hand adjustment
The rubber cap connecting with the support is provided with outside cap, the support outer end is provided with annular groove, and the annular groove bottom leans on
The side of the nearly block end is provided with the step of protrusion；The rubber cap includes circular cylinder, the circular cylinder
It is socketed on the lesser bottom of annular groove diameter；The rubber cap further includes the cap body connecting with the circular cylinder, institute
The cavity shape for stating cap body cooperates the end of the support and the shape of the hand adjustment cap, and the bottom edge of the cap body is provided with radial direction
The side wall of inside annular ridge, the annular ridge and the annular groove close to the end of the support cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266248.2U CN208749885U (en) | 2018-08-07 | 2018-08-07 | A kind of manual adjusting device of air-pressure disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266248.2U CN208749885U (en) | 2018-08-07 | 2018-08-07 | A kind of manual adjusting device of air-pressure disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749885U true CN208749885U (en) | 2019-04-16 |
Family
ID=66059163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821266248.2U Active CN208749885U (en) | 2018-08-07 | 2018-08-07 | A kind of manual adjusting device of air-pressure disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749885U (en) |
-
2018
- 2018-08-07 CN CN201821266248.2U patent/CN208749885U/en active Active
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