CN207389178U - A kind of brake automatic power booster pull rod and brake automatic power booster - Google Patents
A kind of brake automatic power booster pull rod and brake automatic power booster Download PDFInfo
- Publication number
- CN207389178U CN207389178U CN201721130806.8U CN201721130806U CN207389178U CN 207389178 U CN207389178 U CN 207389178U CN 201721130806 U CN201721130806 U CN 201721130806U CN 207389178 U CN207389178 U CN 207389178U
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- China
- Prior art keywords
- rod
- automatic power
- power booster
- brake automatic
- front housing
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Abstract
The utility model is related to brake technique fields, disclose a kind of brake automatic power booster pull rod, it includes bar body, the bar body includes first body of rod and second body of rod that are separately set, first body of rod and second body of rod are connected through a screw thread, and the circumferential direction of second body of rod has been wholely set annular support flange.The invention also discloses a kind of brake automatic power boosters.The utility model smart structural design, assembling process is easy, reduces assembly process and manufacturing process compared with the prior art, improves efficiency of assembling.
Description
Technical field
The utility model is related to vehicle brake technical field, more particularly to a kind of brake automatic power booster pull rod and brake
Vehicle automatic power booster.
Background technology
The vacuum generated when brake booster works by engine in inlet manifold assists to brake.Booster is general
It is that a diameter is about 20cm, the cylinder of height about 15cm.There are one diaphragm of the middle part equipped with push rod is (or living for column body
Plug), cavity is divided into two parts, some is connected (holding vacuum) by pipeline with motor intake manifold, another part, when
It when brake pedal is operated, is communicated with air, the pressure differential help on both sides provides the power-assisted of brake.
In the prior art, automatic power booster is braked in assembling, it is necessary to install rear shell, bar body 1 successively (such as Fig. 1 institutes
Show), partition plate, supporting bead, sealing ring and front housing, manufacturing process and assembly process are more, influence manufacture and efficiency of assembling.
Utility model content
(1) technical problems to be solved
One of the technical problems to be solved in the utility model is how to reduce manufacturing process and assembly process.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of brake automatic power booster pull rod, including drawing
Bar body, the bar body include first body of rod and second body of rod that are separately set, and first body of rod and second body of rod lead to
Threaded connection is crossed, the circumferential direction of second body of rod has been wholely set annular support flange.
Wherein, the lower end of first body of rod is equipped with axial internal thread hole, and the top axial of second body of rod is equipped with outer
Screw thread, the external screw thread of second body of rod are threadedly coupled with the internal thread hole of first body of rod.
Wherein, the annular support flange and second body of rod one forging molding.
Wherein, the top of first body of rod is circumferentially with annular brace boss.
The utility model also provides a kind of brake automatic power booster, including the front housing, partition plate and the rear shell that set gradually and
Brake automatic power booster pull rod described above is correspondingly provided with the through hole being connected in the front housing, partition plate and rear shell, described
The lower end of first body of rod passes through the partition plate, and the rear shell is extended in the upper end, the lower end of second body of rod be pierced by it is described before
Shell, the upper end of second body of rod are connected with the lower end of first body of rod, and the annular support flange be resisted against it is described before
The inner surface of shell.
Wherein, O-ring seals are equipped between the inner surface of the front housing and the annular support flange.
Wherein, the annular brace boss is resisted against the inner surface of the rear shell.
Wherein, the front housing, partition plate and rear shell are equipped with the centre bore axially connected, and the both sides of the centre bore are symmetrically set
There is the brake automatic power booster pull rod.
(3) advantageous effect
Compared with prior art, the utility model has the following advantages：
A kind of brake automatic power booster pull rod and brake automatic power booster provided by the utility model, wherein, brake is certainly
Dynamic booster pull rod includes bar body, and the bar body includes first body of rod and second body of rod that are separately set, described
First body of rod and second body of rod are connected through a screw thread, and the circumferential direction of second body of rod has been wholely set annular support flange；It is described
Annular support flange plays the role of supporting bead in the prior art in assembling process, by the circumferentially disposed of second body of rod
With its integrally formed annular support flange, so as in assembling without additionally mounted supporting bead, so as to reduce assembler
Sequence improves efficiency of assembling；And in the fabrication process, without in addition producing supporting bead, reduce manufacturing process, save
Cost；In addition, first body of rod and second body of rod by the way that bar body to be arranged to split, in order to quick in assembling process
Installation.
Description of the drawings
Fig. 1 is the structure diagram of prior art brake automatic power booster pull rod；
Fig. 2 is a kind of whole exploded perspective view for the automatic power booster that brakes of the utility model；
In figure：1：Bar body；11：First body of rod；12：Second body of rod；13：Annular support flange；14：Annular brace is convex
Platform；2：Front housing；3：Rear shell.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
, it is necessary to explanation in the description of the utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for description purpose, without being understood that
To indicate or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
Concrete meaning of the term in the utility model.
As shown in Fig. 2, it is a kind of brake automatic power booster pull rod that the utility model embodiment provides, including pull rod
Body 1, the bar body 1 include first body of rod 11 and second body of rod 12 that are separately set, first body of rod 11 and second
The body of rod 12 is connected through a screw thread, and the circumferential direction of second body of rod 12 has been wholely set annular support flange 13；The annular brace
Flange 13 plays the role of supporting bead in the prior art in assembling process, by the circumferentially disposed of second body of rod 12 and its
Integrally formed annular support flange 13, so as in assembling without additionally mounted supporting bead, so as to reduce assembly process,
Improve efficiency of assembling；And in the fabrication process, without in addition producing supporting bead, reduce manufacturing process, save into
This；By the way that bar body 1 to be arranged to first body of rod 11 and second body of rod 12 of split, in order to quickly pacify in assembling process
Dress.
In the embodiment of the utility model, the lower end of first body of rod 11 is equipped with one section of axial internal thread hole, and described the
The top axial of bipole body 12 is equipped with one section of external screw thread, the interior spiral shell of the external screw thread of second body of rod 12 and first body of rod 11
Pit is threadedly coupled.
In the embodiment of the utility model, in process, the annular support flange 13 and second body of rod 12
Integral forging molding.
In the embodiment of the utility model, the top of first body of rod 11 is circumferentially with annular brace boss 14.
The embodiment of the utility model additionally provides a kind of brake automatic power booster, including set gradually front housing 2, every
Plate (not shown) and rear shell 3 and brake automatic power booster pull rod described above, the front housing 2, partition plate and rear shell
The through hole being connected is correspondingly provided on 3, through the partition plate, the rear shell is extended in the upper end for the lower end of first body of rod 11
3 are connected with rear shell 3, and the annular brace boss 14 is resisted against the inner surface of the rear shell 3, and the lower end of second body of rod 12 is worn
Go out the front housing 2, the upper end of second body of rod 12 is connected with the lower end of first body of rod 11, and the annular support flange
13 are resisted against the inner surface of the front housing 2, so as to which easily front housing 2, partition plate and rear shell 3 are assembled together, and installation process
It is easy.
Further, in order to which sealing is better achieved, between the inner surface of the front housing 2 and the annular support flange 13
Equipped with O-ring seals.
Specifically, the front housing 2, partition plate and rear shell 3 are equipped with the centre bore axially connected, in order to enable front housing 2, partition plate
It is more stably assembled together with rear shell 3, the both sides of the centre bore are arranged with the brake automatic power booster pull rod.
As can be seen from the above embodiments, the utility model smart structural design, assembling process is easy, compared to existing skill
Art reduces assembly process and manufacturing process, improves efficiency of assembling.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of brake automatic power booster pull rod, which is characterized in that including bar body, the bar body is set including split
First body of rod and second body of rod put, first body of rod and second body of rod are connected through a screw thread, the circumferential direction of second body of rod
It has been wholely set annular support flange.
2. brake automatic power booster pull rod according to claim 1, which is characterized in that the lower end of first body of rod is set
There is an axial internal thread hole, the top axial of second body of rod is equipped with external screw thread, the external screw thread of second body of rod and described the
The internal thread hole of one body of rod is threadedly coupled.
3. brake automatic power booster pull rod according to claim 1, which is characterized in that the annular support flange and institute
State the second body of rod one forging molding.
4. brake automatic power booster pull rod according to claim 1, which is characterized in that the top week of first body of rod
To equipped with annular brace boss.
5. a kind of brake automatic power booster, including the front housing, partition plate and rear shell set gradually, which is characterized in that further include such as power
Profit requires 1-4 any one of them brake automatic power booster pull rod, is correspondingly provided with and is connected in the front housing, partition plate and rear shell
Through hole, through the partition plate, the rear shell, the lower end of second body of rod are extended in the upper end for the lower end of first body of rod
The front housing is pierced by, the upper end of second body of rod is connected with the lower end of first body of rod, and the annular support flange is supported
Lean against the inner surface of the front housing.
6. brake automatic power booster according to claim 5, which is characterized in that the inner surface of the front housing and the annular
O-ring seals are equipped between support lugn.
7. brake automatic power booster according to claim 5, which is characterized in that the annular brace boss of first body of rod
It is resisted against the inner surface of the rear shell.
8. brake automatic power booster according to claim 5, which is characterized in that the front housing, partition plate and rear shell are equipped with
The centre bore axially connected, the both sides of the centre bore are arranged with the brake automatic power booster pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130806.8U CN207389178U (en) | 2017-09-05 | 2017-09-05 | A kind of brake automatic power booster pull rod and brake automatic power booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130806.8U CN207389178U (en) | 2017-09-05 | 2017-09-05 | A kind of brake automatic power booster pull rod and brake automatic power booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207389178U true CN207389178U (en) | 2018-05-22 |
Family
ID=62415592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721130806.8U Active CN207389178U (en) | 2017-09-05 | 2017-09-05 | A kind of brake automatic power booster pull rod and brake automatic power booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207389178U (en) |
-
2017
- 2017-09-05 CN CN201721130806.8U patent/CN207389178U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: Gyeonggi Do, South Korea Patentee after: Hanna Wandu Co.,Ltd. Patentee after: MANDO CHINA HOLDINGS Ltd. Address before: Gyeonggi Do, South Korea Patentee before: MANDO Corp. Patentee before: MANDO CHINA HOLDINGS Ltd. |