CN209041282U - A kind of pin shaft, arrestment mechanism and automobile - Google Patents
A kind of pin shaft, arrestment mechanism and automobile Download PDFInfo
- Publication number
- CN209041282U CN209041282U CN201821575748.4U CN201821575748U CN209041282U CN 209041282 U CN209041282 U CN 209041282U CN 201821575748 U CN201821575748 U CN 201821575748U CN 209041282 U CN209041282 U CN 209041282U
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- pin shaft
- limit film
- cannula portion
- sleeve pipe
- outside wall
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Abstract
The utility model discloses a kind of pin shaft, arrestment mechanism and automobiles.The pin shaft includes: outer tube, and outer tube includes hollow cannula portion and end positioned at cannula portion and the gear that extends to cannula portion side is consecutive；Mandrel, mandrel are installed in outer tube；Wherein: the outside wall surface of cannula portion is provided with limit film, and limit film direction is kept off except consecutive one end is tilted to the outside wall surface of cannula portion and had is recycled to the elastic free degree concordant with the outside wall surface of cannula portion under external force.The pin shaft of the application has limit film, after pin shaft is installed on bearing pin mounting hole, limit film restores to the original state and protrudes from the outside wall surface of cannula portion under the action of natural resiliency power, limit film cooperation gear is consecutive, it realizes the limit to pin shaft, so that pin shaft will not be deviate from out of bearing pin mounting hole in use, thus only needs a step that installation can be completed when installation, the operating time is saved, installation effectiveness is improved.
Description
Technical field
The utility model relates to pin shaft field, in particular to a kind of pin shaft, arrestment mechanism and automobile.
Background technique
As shown in Figure 1, existing pin shaft includes that pin shaft bar and gear are consecutive, offered on pin shaft bar for construction opening pin
Through-hole, the pin shaft bar of pin shaft passes through bearing pin mounting hole when use, two components connected will be needed to be connected, then will using split pin
Pin shaft is fixed, and prevents pin shaft from deviating from out of bearing pin mounting hole.Namely installation process includes installation pin shaft and construction opening
Pin, in assembly line installation process, two installation processes necessarily increase the installation required time.
By taking the connection of master cylinder a and brake pedal b as an example, as shown in Figures 2 and 3, pin shaft c is by master cylinder a and system
Dynamic pedal b is connected, and split pin d is inserted into the through-hole of pin shaft c, and then split pin d is bent, and pin shaft c is fixed for realization.
The installation process includes that brake pedal b is connected by pin shaft c with master cylinder a, and then pin shaft c is fixed split pin d, this
Process includes two steps, cumbersome, increases the time of installation, reduces installation effectiveness.
Utility model content
Some embodiments of the utility model provides a kind of pin shaft, solve pin shaft need split pin to fix, installation effectiveness
Low technical problem.
The pin shaft includes:
Outer tube, outer tube include hollow cannula portion and the end positioned at cannula portion and the gear that extends to cannula portion side
It is consecutive；
Mandrel, mandrel are installed in outer tube；
Wherein: the outside wall surface of cannula portion is provided with limit film, and limit film is tilted towards consecutive one end is kept off to cannula portion
Except outside wall surface and have be recycled to the elastic free degree concordant with the outside wall surface of cannula portion under external force.
Further, limit film is set to the outside wall surface of cannula portion along the short transverse of cannula portion, and limit film is in court
The direction consecutive to gear is far from cannula portion.
Further, limit film one end is connected as one with cannula portion, and the other end of limit film is far from cannula portion.
Further, the outside wall surface of cannula portion offers the groove for accommodating limit film, so that limit film is in external force
It is lower concordant with the outside wall surface of cannula portion.
Further, outer tube and mandrel integrated injection molding.
Further, mandrel includes the mandrel rod and the nut cap consecutive positioned at gear positioned at cannula portion.
Further, the consecutive holding tank for offering and accommodating nut cap is kept off.
Embodiments herein additionally provides a kind of arrestment mechanism, which includes master cylinder and brake pedal；
Wherein, master cylinder is connected with brake pedal by above-mentioned pin shaft.
Embodiments herein additionally provides a kind of automobile, should include above-mentioned arrestment mechanism.
According to above-mentioned each embodiment, the pin shaft of the application has limit film, after pin shaft is installed on bearing pin mounting hole, limit
Bit slice restores to the original state and protrudes from the outside wall surface of cannula portion under the action of natural resiliency power, and limit film cooperation gear is consecutive, realizes
Limit to pin shaft so that pin shaft will not be deviate from out of bearing pin mounting hole in use, thus only needs a step when installation
Installation can be completed, save the operating time, improve installation effectiveness.
Detailed description of the invention
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 is pin shaft structure schematic diagram in the prior art；
Fig. 2 is master cylinder in the prior art and brake pedal connection schematic diagram；
Fig. 3 is partial structural diagram in Fig. 2；
Fig. 4 is pin shaft structure perspective view in the embodiment of the present application；
Fig. 5 is pin shaft structure cross-sectional view in the embodiment of the present application；
Fig. 6 is pin shaft installation process schematic diagram in the embodiment of the present application；
Fig. 7 is that pin shaft is installed schematic diagram in the embodiment of the present application；
Fig. 8 is brake structure schematic diagram in the embodiment of the present application；
Fig. 9 is partial structural diagram in Fig. 8；
Figure 10 is partial structurtes main view in Fig. 8.
Label declaration
A- master cylinder, b- brake pedal, c- pin shaft, d- split pin；
1- pin shaft, 2- master cylinder, 3- brake pedal；
10- outer tube；
101- cannula portion, 102- keep off consecutive, 103- limit film, 104- groove, 105- holding tank；
20- mandrel；
201- mandrel rod, 202- nut cap.
Specific embodiment
In order to which the technical features, objects and effects to utility model are more clearly understood, Detailed description of the invention sheet is now compareed
The specific embodiment of utility model, identical label indicates identical part in the various figures.
Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.
To make simplified form, only schematically showing and the utility model relevant portion, and not generation in each figure
Its practical structures as product of table.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component, only symbolically depict one of those, or only marked one of those.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate significance level and sequence and
Existing premise etc. each other.
Figure 4 and 5 are referred to, in one embodiment, a kind of pin shaft 1, comprising:
Outer tube 10, outer tube 10 include hollow cannula portion 101 and positioned at cannula portion 101 end and to cannula portion
The gear consecutive 102 that 101 sides extend, cannula portion 101 is located in bearing pin mounting hole when use, and cannula portion 101 is with keeping off consecutive 102
Integral structure, and consecutive 102 are kept off for limiting to cannula portion 101, the diameter of gear consecutive 102 is greater than cannula portion 101
Outer diameter, prevent gear consecutive 102 is from realizing the position restriction for keeping off consecutive 102 pairs of cannula portions 101 by bearing pin mounting hole；
Mandrel 20, mandrel 20 are installed in outer tube 10, and specifically, mandrel 20 is installed on the hollow structure of outer tube 10
It is interior, that is, outer tube 10 reserved the installation space of mandrel 20；
Wherein: the outside wall surface of cannula portion 101 is provided with limit film 103, and one end of limit film 103 towards gear consecutive 102 is stuck up
It rises to except the outside wall surface of cannula portion 101 and having and be recycled to the bullet concordant with the outside wall surface of cannula portion 101 under external force
Free love degree.The outside wall surface of namely cannula portion 101 is provided with the limit film 103 for the outside wall surface for protruding from cannula portion 101, limit
Piece 103 protrudes from except the outside wall surface of cannula portion 101, for limiting to pin shaft 1, that is, passes through gear consecutive 102 and limit
The cooperation of bit slice 103 is realized and realizes two-way positioning to the axial direction of pin shaft 1, so that pin shaft 1 is altered after being installed there is no axial
It moves, that is, between limit film 103 and gear consecutive 102, as the installation space of connecting component；Limit film 103 has in external force
It is adjacent to cannula portion 101 under effect and, external force concordant with the outside wall surface of cannula portion 101 eliminates restorable elastic free degree.
Since limit film 103 protrudes from the outside wall surface of cannula portion 101, thus when in 1 installation process of pin shaft limit film 103 by
To the external force from bearing pin mounting hole, under the action of the external force, limit film 103 is close to cannula portion 101, and limit film 103
It is concordant with the outside wall surface of cannula portion 101, since limit film 103 has elasticity, thus when cannula portion 101 passes through bearing pin mounting hole
Afterwards, the external force for being applied to limit film 103 disappears, and limit film 103 restores to the original state under the action of natural resiliency power, limit film 103
Cooperation gear consecutive 102 does not need split pin to pin after realizing the limit to pin shaft 1, that is, the installation of pin shaft 1 and bearing pin mounting hole
Axis is further fixed, and pin shaft itself can be realized position and fix, and correspondingly, when installation only needs a step that peace can be completed
Dress saves the operating time, improves installation effectiveness.
In the prior art, it after pin shaft is installed on bearing pin mounting hole, needs that pin shaft is fixed using split pin, when installation
Pin shaft connection could be completed by needing to carry out two steps, cumbersome, increased the time of installation, reduced installation effectiveness.
Pin shaft 1 in embodiments herein has limit film 103, after pin shaft 1 is installed on bearing pin mounting hole, limit film
103 restore to the original state and protrude from the outside wall surface of cannula portion 101 under the action of natural resiliency power, and the cooperation gear of limit film 103 is consecutive
102, realize the limit to pin shaft 1, so that pin shaft 1 will not be deviate from out of bearing pin mounting hole in use, thus when installation
It only needs a step that installation can be completed, saves the operating time, improve installation effectiveness.
Specifically, limit film 103 is set to the outside wall surface of cannula portion 101 along the short transverse of cannula portion 101, and limits
Piece 103 is in the direction towards gear consecutive 102 far from cannula portion 101.There are opening, opening side between limit film 103 and cannula portion 101
To towards gear consecutive 102, that is, opening direction and pin shaft 1 installation direction on the contrary, in this way when pin shaft 1 is installed, along casing
During the short transverse in portion 101 protrudes into bearing pin mounting hole, in order to enable cannula portion 101 can extend into bearing pin mounting hole,
Opening has reduced trend, and this trend is since the wall surface of bearing pin mounting hole applies towards cannula portion limit film 103
External force inside 101, under the action of the external force, limit film 103 is close to cannula portion 101, thus being open has what is reduced to become
Gesture, when being open reduction, cannula portion 101 can enter bearing pin mounting hole.
103 one end of limit film is connected as one with cannula portion 101, that is, is fixed between limit film 103 and cannula portion 101
Connection, and optionally, limit film 103 can be cannula portion 101 and carry out cutting on the whole；The other end of limit film 103 is remote
From cannula portion 101, to form set regardless of the opening between 101 and limit film 103.
The outside wall surface of cannula portion 101 offers the groove 104 for accommodating limit film 103, when external force is applied to limit film 103
When, limit film 103 is close to cannula portion 101, and the opening between cannula portion 101 and limit film 103 reduces, as shown in fig. 6, at this time
Limit film 103 is accommodated in groove 104, so that limit film 103 is close to limit film 103 and cannula portion 101 when cannula portion 101
Outside wall surface is concordant, as shown in fig. 7, cannula portion 101 in this way can pass through bearing pin mounting hole.
In the alternative embodiment of the application, 20 integrated injection molding of outer tube 10 and mandrel, specifically, the material of outer tube 10
Matter can be hard elastic material, optionally, including hard elastic plastics, it is preferable that the material can be nylon, and mandrel 20
Material can be steel, specifically can choose carbon steel.On the one hand, outer tube 10 selects hard elastic material that can guarantee limit film
103 elasticity, on the other hand, mandrel 20 select steel that the integral hardness and intensity of pin shaft 1 can be enhanced, and guarantee to sell in use process
Axis 1 will not be broken, and increase the use reliability of pin shaft.In the fabrication process, mandrel 20 is placed in the mold of well in advance, it will
After the respective material melting of outer tube 10, through injection molding, so that mandrel 20 is structure as a whole with outer tube 10, on the one hand make
Be integrally formed after the completion, simplify installation process so that installation when only need a step install, on the other hand, one at
The structure type of type makes 1 intensity of pin shaft high, guarantees the reliability used.
Optionally, mandrel 20 includes the mandrel rod 201 positioned at cannula portion 101 and the nut cap 202 positioned at gear consecutive 102.Core
Shaft 201 is located in the hollow structure of cannula portion 101, and nut cap 202 is structure as a whole with cannula portion 101, and nut cap 202 is located at gear
In consecutive 102, guarantees that mandrel 20 and outer tube 10 do not have the position changing of the relative positions in use between each other, guarantee what the two used
Relative position is fixed.
Further, gear consecutive 102 offers the holding tank 105 for accommodating nut cap 202, and nut cap 202 is located at overlap joint platform 102
In holding tank 105, so that mandrel 20 and the structure of outer tube 10 match, guarantee the fixation of the two relative position.
Embodiments herein additionally provides a kind of arrestment mechanism, and as shown in Fig. 8,9 and 10, which includes braking
Master cylinder 2 and brake pedal 3；
Wherein, master cylinder 2 is connected with brake pedal 3 by above-mentioned pin shaft 1.
Connection only can be realized by pin shaft 1 between master cylinder 2 and brake pedal 3, do not need using split pin to pin
Axis 1 carries out position and fixes, in the installation process of the arrestment mechanism, it is only necessary to which pin shaft 1 passes through master cylinder 2 and brake pedal 3
Bearing pin mounting hole being connected to master cylinder 2 and brake pedal 3 can be realized, limit film 103 withstands on braking master such as barb
On the mounting surface of cylinder 2, play the role of preventing pin shaft 1 from exiting, i.e., only needs a step that installation can be realized and fix, when saving operation
Between, improve installation effectiveness.
Embodiments herein additionally provides a kind of automobile, which includes above-mentioned brake structure, above-mentioned brake
Structure is installed on the automobile, so that a step realizes that the position of master cylinder 2 and brake pedal 3 connects in the automobile manufacture installation process
It connects, saves the operating time, be conducive to the operating efficiency for improving pipelining.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, and not to limit the protection scope of the utility model, it is all without departing from made by the utility model skill spirit etc.
Effect embodiment or change should be included within the scope of protection of this utility model such as the combination, segmentation or repetition of feature.
Claims (9)
1. a kind of pin shaft characterized by comprising
Outer tube (10), the outer tube (10) include hollow cannula portion (101) and the end for being located at described sleeve pipe portion (101)
And the gear extended to described sleeve pipe portion (101) side is consecutive (102)；
Mandrel (20), the mandrel (20) are installed in the outer tube (10)；
Wherein: the outside wall surface of described sleeve pipe portion (101) is provided with limit film (103), and the limit film (103) connects towards the gear
Except one end of platform (102) is tilted to the outside wall surface of described sleeve pipe portion (101) and have be recycled under external force with it is described
The concordant elastic free degree of the outside wall surface of cannula portion (101).
2. pin shaft according to claim 1, which is characterized in that height of the limit film (103) along described sleeve pipe portion (101)
Degree direction is set to the outside wall surfaces of described sleeve pipe portion (101), and the limit film (103) is towards the gear consecutive (102)
Direction far from described sleeve pipe portion (101).
3. pin shaft according to claim 2, which is characterized in that described limit film (103) one end and described sleeve pipe portion (101)
It is connected as one, the other end of the limit film (103) is far from described sleeve pipe portion (101).
4. pin shaft according to claim 3, which is characterized in that the outside wall surface of described sleeve pipe portion (101), which offers, accommodates institute
State the groove (104) of limit film (103) so that the limit film (103) under external force with described sleeve pipe portion (101)
Outside wall surface is concordant.
5. pin shaft according to claim 1, which is characterized in that the outer tube (10) and the mandrel (20) integrated injection molding
Molding.
6. pin shaft according to claim 1, which is characterized in that the mandrel (20) includes being located at described sleeve pipe portion (101)
Mandrel rod (201) and be located at it is described keep off consecutive (102) nut cap (202).
7. pin shaft according to claim 6, which is characterized in that the gear consecutive (102), which offers, accommodates the nut cap
(202) holding tank (105).
8. a kind of arrestment mechanism, which is characterized in that including master cylinder (2) and brake pedal (3)；
Wherein, the master cylinder (2) and the brake pedal (3) pass through pin shaft as claimed in claim 1 to 7 (1) phase
Even.
9. a kind of automobile, which is characterized in that including arrestment mechanism according to any one of claims 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821575748.4U CN209041282U (en) | 2018-09-26 | 2018-09-26 | A kind of pin shaft, arrestment mechanism and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821575748.4U CN209041282U (en) | 2018-09-26 | 2018-09-26 | A kind of pin shaft, arrestment mechanism and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041282U true CN209041282U (en) | 2019-06-28 |
Family
ID=67034449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821575748.4U Active CN209041282U (en) | 2018-09-26 | 2018-09-26 | A kind of pin shaft, arrestment mechanism and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185687A (en) * | 2019-05-22 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | A kind of push-in pin shaft |
| CN115095595A (en) * | 2022-07-01 | 2022-09-23 | 北京汽车研究总院有限公司 | Pin shaft, pedal assembly and vehicle |
-
2018
- 2018-09-26 CN CN201821575748.4U patent/CN209041282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185687A (en) * | 2019-05-22 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | A kind of push-in pin shaft |
| CN115095595A (en) * | 2022-07-01 | 2022-09-23 | 北京汽车研究总院有限公司 | Pin shaft, pedal assembly and vehicle |
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