CN203358575U - Vacuum cylinder - Google Patents
Vacuum cylinder Download PDFInfo
- Publication number
- CN203358575U CN203358575U CN 201320446191 CN201320446191U CN203358575U CN 203358575 U CN203358575 U CN 203358575U CN 201320446191 CN201320446191 CN 201320446191 CN 201320446191 U CN201320446191 U CN 201320446191U CN 203358575 U CN203358575 U CN 203358575U
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- Prior art keywords
- vacuum
- cylinder body
- cylinder
- vacuum cylinder
- shell
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Abstract
The utility model discloses a vacuum cylinder. The vacuum cylinder comprises an upper cylinder body and a lower cylinder body, wherein the inner walls of the upper cylinder body and the lower cylinder body are both provided with multiple strengthening ribs, and the strengthening ribs extend to the inner walls of the other sides of the upper cylinder body and the lower cylinder body from the inner walls of one sides of the upper cylinder body and the lower cylinder body; the upper cylinder body and the lower cylinder body are welded together to form the vacuum cylinder; when vacuum exists in the vacuum cylinder, the exterior of the cylinder body suffers from the atmospheric pressure of the outside, and then the U-shaped strengthening ribs can effectively support the cylinder body shell to prevent the cylinder body from deformation; the vacuum cylinders in irregular shape can be designed through the strengthening structure, so that the structural strength of the irregular vacuum cylinder is improved, and a condition that the arrangement space restricts a vacuum cylinder structure is fully changed. The thicknesses and shapes of the strengthening ribs are designed and adjusted according to different requirements, meanwhile, the structural arrangement is simple, the process is simple and is easy to realized, and the vacuum cylinder can be widely applied in development of various hydraulic brake motorcycle type plastic vacuum cylinders.
Description
Technical field
The utility model relates to the hydraulic braking field of automobile, more precisely, relates to a kind of vacuum cylinder.
Background technology
In hydraulic brake system, what provide power-assisted for brake pedal is vacuum booster, and what provide vacuum for vacuum booster is vacuum pump, but often vehicle is when continuous several times is braked, vacuum pump provides the speed of vacuum can be unable to catch up with depletion rate, cause vehicle vacuum servo deficiency, the brake pedal hardening, affect traffic safety.Usually adopt vacuum cylinder to store vacuum for this reason, when the vehicle continuous several times is braked, can provide enough vacuum servos.Vacuum cylinder is as the container of storage vacuum, be all with cylinder type or other simple shape structural arrangement in machinery space, its material is all irony or other metals etc.
Existing metal material vacuum cylinder, all by cylindrical shell, cylinder stent and vacuum tube joint and annunciator joint, formed, its middle cylinder body is welded by upper shell and lower shell, cylinder stent, vacuum tube joint and annunciator joint are welded on cylindrical shell, vacuum tube joint connects vacuum lamp and stores vacuum, annunciator jiont treatment vacuum horn, cylinder stent is used for vacuum cylinder is installed on car load.The vacuum cylinder that also has a kind of structure, its upper shell and lower shell are to form by metal plate punching, and then composition cylindrical shell welded together.The metal material vacuum cylinder all is arranged in to be sent out in cabin, relatively takes up room, and hinders and sends out the cabin heat radiation, can increase heat evil risk.Send out while arranging out of my cabin and vacuum cylinder will be moved on to, tend to be limited to arrangement space, make the vacuum cylinder complex structure, but the metal material vacuum cylinder can be difficult to make because of punching press, welding process precision, even machine, precision can be very poor, can not meet the demands.Existing plastic material vacuum cylinder, also by cylindrical shell, cylinder stent and vacuum tube joint and annunciator joint, formed, its middle cylinder body is welded by upper shell and lower shell, cylinder stent, vacuum tube joint and annunciator joint weld or are embedded on cylindrical shell, vacuum tube joint connects vacuum lamp and stores vacuum, annunciator jiont treatment vacuum horn, cylinder stent is used for vacuum cylinder is installed on car load.This kind of plastic material vacuum cylinder is also to be arranged in to send out in cabin, relatively takes up room, and hinders and sends out the cabin heat radiation, can increase heat evil risk, self also has the high temperature deformation risk simultaneously.Send out while arranging out of my cabin and vacuum cylinder will be moved on to, tend to be limited to arrangement space, make the vacuum cylinder complex structure, if now according to this form design, can cause the vacuum cylinder structural strength poor, have the risk of cracking gas leakage under long-term negative pressure condition, can not meet the demands.
The utility model content
The utility model, in order to solve problems of the prior art, provides a kind of vacuum cylinder.
In order to realize above-mentioned purpose, the technical solution of the utility model is: a kind of vacuum cylinder, comprise upper shell and lower shell, be equipped with the multiple tracks reinforced rib on the inwall of described upper shell, lower shell, described reinforced rib extends to the inwall of opposite side from the inwall of upper shell, lower shell one side at the bottom of cylinder.
Preferably, on described upper shell, lower shell, the end face for welding is provided with flange toward the outer side.
Preferably, the reinforced rib on described upper shell and its inwall is integrated injection mo(u)lding.
Preferably, the reinforced rib on described lower shell and its inwall is integrated injection mo(u)lding.
By upper and lower barrel soldering together, form vacuum cylinder, when there is vacuum vacuum cylinder inside, the cylindrical shell outside can be subject to extraneous bar pressure, and now, the U-shaped reinforced rib is support tube body case and do not make its distortion effectively.Such enhancing structure, make and can design erose vacuum cylinder, improves the structural strength of irregular vacuum cylinder, thereby thoroughly change the restriction of arrangement space to the vacuum cylinder structure.The thickness of reinforced rib and shape can be carried out design modifying according to different demands; This kind of structural arrangement is simple simultaneously, and technique is simple, easily realizes, can be widely used in the exploitation of all kinds of hydraulic braking vehicle plastic vacuum cylinders.
The accompanying drawing explanation
Fig. 1 shows the structural representation of the utility model upper shell or lower shell.
The specific embodiment
For the technical matters that the utility model is solved, the technical scheme of employing, the technique effect easy to understand of obtaining, below in conjunction with concrete accompanying drawing, the specific embodiment of the present utility model is described further.
With reference to figure 1, a kind of vacuum cylinder that the utility model provides, comprise upper shell and lower shell, and upper shell and lower shell can have identical structure, pass through injection molding.Described upper shell, lower shell include the housing 1 that is provided with inner chamber, be equipped with multiple tracks reinforced rib 2 on the inwall of described housing 1, described reinforced rib 3 extends to the inwall of opposite side from the inwall of upper shell, lower shell one side along its inner chamber bottom, make this reinforced rib 3 mechanism that takes the shape of the letter U.This reinforced rib 3 and upper shell, lower shell can be integrated injection moldings.By upper and lower barrel soldering together, form vacuum cylinder, when there is vacuum vacuum cylinder inside, the cylindrical shell outside can be subject to extraneous bar pressure, and now, the U-shaped reinforced rib is support tube body case and do not make its distortion effectively.Such enhancing structure, make and can design erose vacuum cylinder, improves the structural strength of irregular vacuum cylinder, thereby thoroughly change the restriction of arrangement space to the vacuum cylinder structure.The thickness of reinforced rib and shape can be carried out design modifying according to different demands; This kind of structural arrangement is simple simultaneously, and technique is simple, easily realizes, can be widely used in the exploitation of all kinds of hydraulic braking vehicle plastic vacuum cylinders.
The utility model is in order to increase the Joint strenght of upper and lower cylindrical shell, and the end face for welding on described upper shell, lower shell is provided with flange 2 toward the outer side, has increased upper and lower barrel soldering face, has further improved the structural strength of vacuum cylinder.
The utility model is by preferred embodiment having carried out detailed explanation.Yet, by studying carefully above, to the variation of each embodiment with to increase be also that one of ordinary skill in the art institute is apparent.Being intended that all these variations and increasing of applicant all dropped in the scope that the utility model claim protects.
Similar numbering refers to similar element in the whole text.For clarity, the situation that some line, layer, element, parts or feature are amplified may be arranged in the accompanying drawings.
Term used herein is only for to be illustrated specific embodiment, and it not is intended to the utility model is limited.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the utility model one of ordinary skill in the art's understanding.
Claims (4)
1. a vacuum cylinder, comprise upper shell and lower shell, it is characterized in that: be equipped with the multiple tracks reinforced rib on the inwall of described upper shell, lower shell, described reinforced rib extends to the inwall of opposite side from the inwall of upper shell, lower shell one side at the bottom of cylinder.
2. vacuum cylinder according to claim 1, is characterized in that: on described upper shell, lower shell, for the end face welded, be provided with flange toward the outer side.
3. vacuum cylinder according to claim 1, it is characterized in that: the reinforced rib on described upper shell and its inwall is integrated injection mo(u)lding.
4. vacuum cylinder according to claim 1, it is characterized in that: the reinforced rib on described lower shell and its inwall is integrated injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320446191 CN203358575U (en) | 2013-07-25 | 2013-07-25 | Vacuum cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320446191 CN203358575U (en) | 2013-07-25 | 2013-07-25 | Vacuum cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203358575U true CN203358575U (en) | 2013-12-25 |
Family
ID=49806379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320446191 Expired - Fee Related CN203358575U (en) | 2013-07-25 | 2013-07-25 | Vacuum cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203358575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099886A (en) * | 2017-12-15 | 2018-06-01 | 芜湖致通汽车电子有限公司 | A kind of vacuum cylinder and preparation method thereof and method for testing performance |
-
2013
- 2013-07-25 CN CN 201320446191 patent/CN203358575U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099886A (en) * | 2017-12-15 | 2018-06-01 | 芜湖致通汽车电子有限公司 | A kind of vacuum cylinder and preparation method thereof and method for testing performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20190725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |