CN110525413B - Vacuum pump mounting bracket structure - Google Patents
Vacuum pump mounting bracket structure Download PDFInfo
- Publication number
- CN110525413B CN110525413B CN201910789942.5A CN201910789942A CN110525413B CN 110525413 B CN110525413 B CN 110525413B CN 201910789942 A CN201910789942 A CN 201910789942A CN 110525413 B CN110525413 B CN 110525413B
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- CN
- China
- Prior art keywords
- vacuum pump
- mounting bracket
- mounting
- longitudinal beam
- front cabin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000013016 damping Methods 0.000 claims description 59
- 239000002184 metal Substances 0.000 claims description 12
- 230000005284 excitation Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000010009 beating Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
Abstract
The invention discloses a vacuum pump mounting bracket structure, which comprises a vacuum pump, a mounting bracket assembly and a front cabin longitudinal beam, wherein the vacuum pump is connected with the front part of the front cabin longitudinal beam through the mounting bracket assembly. The vacuum pump mounting bracket is designed and arranged at the front position of the front cabin longitudinal beam, so that the modal rigidity of the mounting position of the vacuum pump can be well ensured.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to a vacuum pump mounting bracket structure.
Background
The vacuum pump is used as an important component in an automobile braking system and provides a negative pressure device for the vacuum booster, so that the vehicle is ensured to have reliable braking performance in a high-speed running state. In general, the main requirements for a vacuum pump are: the rotating speed is high, and the requirement for higher vacuum degree is met; good dynamic balance performance, small vibration noise of the pump body and the like.
As consumer demands for vehicle performance increase, vibration noise within the cabin is of increasing concern to consumers. The vacuum pump is used as an excitation source and is arranged on the vehicle body, and the problem of vibration noise generated in the working process of the vacuum pump needs to be well controlled and improved.
Generally speaking, the problem of vibration noise can be solved by seeking solutions from the source and the path, firstly, the excitation and the radiation noise of the source can be reduced by controlling the source, and secondly, the excitation load transmitted to a vehicle body can be reduced by optimizing the structure, increasing means such as vibration isolation and damping. For the vacuum pump, not only need control the vibration and the radiation noise of vacuum pump, in addition, the vacuum pump passes through the installing support to be connected with the automobile body, and the position that the installing support arranged, the good or bad of support body structural design also can directly influence the vibration size of vacuum pump in the course of the work and the load that transmits to the automobile body. Therefore, the vibration noise of the vacuum pump needs to be controlled, and a reasonable vacuum pump mounting bracket structure is designed, which is very important.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a vacuum pump mounting bracket structure, aiming at ensuring the modal rigidity of the vacuum pump mounting position.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a vacuum pump installing support structure, includes the vacuum pump, the structure still includes installing support subassembly and front deck longeron, the vacuum pump passes through installing support subassembly and is connected with the front portion of front deck longeron.
The installing support component comprises a first installing support and a second installing support, the second installing support is arranged on the lower side of the first installing support and forms supporting force for the first installing support, the first installing support and the second installing support are connected with the same side face of the front cabin longitudinal beam, and the vacuum pump is installed on the first installing support.
The first mounting bracket is a U-shaped bracket with an opening facing away from one side of the front cabin longitudinal beam, the lower side surface of the U-shaped bracket is provided with a mounting groove and vacuum pump mounting holes arranged on two sides of the mounting groove, and one side surface of the U-shaped bracket, which is attached to the front cabin longitudinal beam, is connected with the front cabin longitudinal beam through a fastener.
One side of the U-shaped support, which is attached to the front cabin longitudinal beam, is provided with two first fastening mounting holes, the two first fastening mounting holes are communicated through communicating holes, and the aperture of each first fastening mounting hole is smaller than that of each communicating hole.
The first mounting bracket passes through the first fastening mounting hole through the first bolt and the first vibration damping bushing to be mounted and connected with the front cabin longitudinal beam.
And the two sides of the vacuum pump are connected with the vacuum pump mounting hole through a second bolt and a second vibration damping bush.
The second mounting bracket is a Y-shaped bracket, two folding edges connected with the first mounting bracket are arranged on the upper side of the Y-shaped bracket, and the lower side of the Y-shaped bracket is connected with the front cabin longitudinal beam.
And a second fastening mounting hole is formed in the lower side of the Y-shaped support, and the Y-shaped support is connected with the front cabin longitudinal beam through a third bolt and a third damping bushing.
First damping bush, third damping bush are second grade damping bush, the outside of second grade damping bush is equipped with the annular groove, the corresponding mounting hole that first bolt passed through first damping bush, first fastening mounting hole and front deck longeron carries out the close fit through the nut cooperation with screwing up to be connected, the through-hole that the second bolt passed the second damping bush, the vacuum pump mounting hole carries out the close fit through the nut cooperation with screwing up to be connected, the through-hole that the third damping bush was passed to the third bolt, the corresponding mounting hole of second fastening mounting hole and front deck longeron carries out the close fit through the nut cooperation with screwing up to be connected.
The front cabin longitudinal beam comprises an inner side metal plate and an outer side metal plate, and the inner side metal plate and the outer side metal plate form a closed cross section.
The invention has the beneficial effects that:
1. the vacuum pump mounting bracket is designed and arranged at the front position of the front cabin longitudinal beam, so that the modal rigidity of the mounting position of the vacuum pump can be well ensured.
2. The vacuum pump mounting bracket adopts two upper and lower side brackets (a first mounting bracket and a second mounting bracket) to be assembled together, and the lower side bracket (the second mounting bracket) can provide better support for the upper side bracket (the first mounting bracket), so that the modal rigidity of the vacuum pump mounting bracket body is ensured.
3. Damping bushings are respectively designed between the vacuum pump and the upper side mounting bracket as well as between the mounting bracket and the front cabin longitudinal beam, and the damping bushings can play a better role in attenuating excitation generated by the vacuum pump through secondary damping.
4. The vacuum pump and the upper side mounting bracket are mounted and matched with each other through bolts, so that the mounting assembly and the modular production are facilitated.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a partial isometric view of a vacuum pump according to the present invention in its fully installed condition;
FIG. 2 is an isometric view of the vacuum pump of the present invention mounted in cooperation with a mounting bracket assembly;
FIG. 3 is an isometric view of one perspective of a vacuum pump mounting bracket of the present invention;
FIG. 4 is an isometric view of another perspective of a vacuum pump mounting bracket of the present invention;
FIG. 5 is a partial isometric view of a front deck rail of the present invention;
figure 6 is an isometric view of a damping bushing of the present invention.
Labeled as:
1. vacuum pump, 2, first installing support, 3, second installing support, 4, outside panel beating, 5, inboard panel beating, 6, first damping bush, 7, third damping bush, 8, second damping bush, 9, the mounting hole of front deck longeron, 10, first fastening mounting hole, 11, vacuum pump mounting hole, 12, second fastening mounting hole, 13, annular groove, 14, through-hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation. It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for descriptive convenience only.
As shown in fig. 1 to 6, a vacuum pump mounting bracket structure comprises a vacuum pump 1, a mounting bracket assembly and a front cabin longitudinal beam, wherein the vacuum pump 1 is connected with the front part of the front cabin longitudinal beam through the mounting bracket assembly. The vacuum pump mounting bracket component is arranged at the front position of the front cabin longitudinal beam, so that the modal rigidity of the mounting position of the vacuum pump can be well guaranteed. The front cabin longitudinal beam consists of an outer side metal plate 4 and an inner side metal plate 5, and the inner side metal plate and the outer side metal plate form a closed section which is used as a fixed mounting point of a vacuum pump mounting bracket assembly; the fixed mounting point of the vacuum pump mounting bracket is arranged at the front end of the front cabin longitudinal beam, and the vacuum pump mounting bracket has high modal rigidity.
As shown in fig. 1 to 4, the mounting bracket assembly includes a first mounting bracket 2 and a second mounting bracket 3 disposed at a lower side of the first mounting bracket 2 and forming a supporting force for the first mounting bracket 2, the first mounting bracket 2 and the second mounting bracket 3 are both connected to a same side of the front cabin longitudinal beam, and the vacuum pump 1 is mounted on the first mounting bracket 2. The first mounting bracket is an upper mounting bracket, the second mounting bracket is a lower mounting bracket, and the upper mounting bracket and the lower mounting bracket jointly form a vacuum pump mounting bracket assembly.
First installing support 2 is the U-shaped support that the opening orientation deviates from front deck longeron one side, and the downside side of U-shaped support is equipped with the mounting groove and locates the vacuum pump mounting hole 11 of mounting groove both sides, and a side of U-shaped support laminating front deck longeron is passed through the fastener and is connected with the front deck longeron. Preferably, one side face, attached to the front cabin longitudinal beam, of the U-shaped support is provided with two first fastening mounting holes, the two first fastening mounting holes are communicated through the communicating hole, and the aperture of each first fastening mounting hole is smaller than that of the communicating hole. As shown in fig. 3 and 4, the upper mounting bracket is designed into a U shape with an outward opening, and two mounting holes 11 for mounting the vacuum pump are designed on the lower side surface of the U shape (as supporting points for mounting the vacuum pump), and two other first fastening mounting holes 10 are designed on the right side surface of the U shape (one side surface of the U-shaped bracket attached to the front cabin longitudinal beam) for mounting and matching the upper mounting bracket of the vacuum pump 1 with the front cabin longitudinal beam. The middle communicating hole plays a role in reducing weight, and after the first mounting bracket is mounted, a certain pre-directional deformation space is sleeved on a vibration damping lining in the subsequent mounting process, so that the tight bonding force is increased, and the vibration is further damped.
The first mounting bracket 1 passes through a first fastening mounting hole 10 through a first bolt and a first damping bushing 6 to be mounted and connected with the front cabin longitudinal beam. The first vibration damping bush is used for mounting and matching the upper mounting bracket with the front cabin longitudinal beam. And two sides of the vacuum pump 1 are connected with a vacuum pump mounting hole 11 through a second bolt and a second damping bush 8.
As shown in fig. 3 and 4, the second mounting bracket 2 is a Y-shaped bracket, two folded edges connected with the first mounting bracket 2 are arranged on the upper side of the Y-shaped bracket, and the lower side of the Y-shaped bracket is connected with the front cabin longitudinal beam. In this structure, the design has two hems on the upper portion of Y shape support, through welding process, is as an organic whole with upside installing support and downside installing support connection, from structural design angle, downside installing support can provide the support for upside installing support, and then guarantees that upside installing support can provide sufficient installation rigidity for the vacuum pump. Preferably, the lower side of the Y-shaped bracket is provided with a second fastening mounting hole 12 (as a mounting point for mounting and matching the mounting bracket on the lower side of the vacuum pump and the front cabin longitudinal beam), and the Y-shaped bracket is connected with the front cabin longitudinal beam through a third bolt and a third damping bush 7. The upper side mounting bracket and the lower side mounting bracket are assembled together, and are installed and matched with the longitudinal beam of the front cabin in a mode of two mounting points on the upper side and one mounting point on the lower side (forming a stable structure similar to a triangle), so that the reliable connection between the mounting brackets and the longitudinal beam can be ensured, and the overall modal rigidity of the mounting brackets can be met.
When the vibration damping bushing is specifically arranged, the vibration damping bushing is divided into a first-stage vibration damping bushing and a second-stage vibration damping bushing, and the first-stage vibration damping bushing is located at the installation matching position of the upper side installation support and the vacuum pump. And three secondary damping bushings are arranged at the corresponding mounting connection positions of the first mounting bracket, the second mounting bracket and the front cabin longitudinal beam and consist of two first damping bushings and one third damping bushing. That is, the first vibration damping bush 6 and the third vibration damping bush 7 are preferably two-stage vibration damping bushes, are located at the mounting and matching positions of the upper and lower mounting brackets and the front deck longitudinal beam, and can better attenuate the transmission of the working excitation of the vacuum pump to the vehicle body longitudinal beam by adopting two-stage vibration damping. During installation and connection, the first bolt penetrates through the through hole of the first vibration reduction bushing, the first fastening installation hole and the corresponding installation hole of the front cabin longitudinal beam to be in tight fit connection with the screwed nut in a matching mode, the second bolt penetrates through the through hole of the second vibration reduction bushing and the vacuum pump installation hole to be in tight fit connection with the screwed nut in a matching mode, and the third bolt penetrates through the through hole of the third vibration reduction bushing, the second fastening installation hole 12 and the corresponding installation hole of the front cabin longitudinal beam to be in tight fit connection with the screwed nut in a matching mode. Upside installing support and downside installing support, through two first fastening mounting holes 10 of upside installing support and a second fastening mounting hole 12 of downside installing support, with the mounting hole 9 of front deck longeron, through installing corresponding bolt and three second grade damping bush installation be in the same place, and then guarantee the reliable connection of installing support and longeron, can satisfy the holistic modal rigidity of installing support simultaneously.
As shown in fig. 6, the secondary damping bushing is designed with an annular groove 13; the annular groove 13 is used for matching with a structure around the mounting hole of the mounting bracket; the installation through-hole 14 of design, mounting bolt pass damping bush through-hole 14, through screwing up nut compression damping bush, realize closely cooperating of damping bush, bolt and installing support, and then realize the fixed mounting that the vacuum pump can be reliable, possess the effect of decay vacuum pump excitation load simultaneously, finally can avoid the vibration noise problem in the cockpit that the vacuum pump leads to.
In the working process of the vacuum pump 1, an excitation load generated by the vacuum pump 1 can be transmitted to the vacuum pump mounting bracket through the second damping bush 8, the rigidity of the second damping bush 8 is smaller than that of the mounting bracket, the second damping bush has the function of damping the load, and the load transmitted to the mounting bracket by the vacuum pump 1 can be damped for the first time; the excitation load transmitted to the mounting bracket can be transmitted to the front cabin longitudinal beam through the first damping bush 6 and the third damping bush 7, the rigidity of the first damping bush 6 and the third damping bush 7 is smaller than that of the mounting bracket, the excitation load transmitted to the front cabin longitudinal beam by the secondary damping vacuum pump 1 is provided, and therefore the effect of greatly reducing the transmission of the working excitation of the vacuum pump to the vehicle body longitudinal beam can be achieved.
The invention can ensure that the mounting position and the mounting bracket body structure have higher modal rigidity, meanwhile, damping bushings are respectively designed between the vacuum pump and the mounting bracket as well as between the mounting bracket and the vehicle body, and the excitation load transmitted to the vehicle body by the vacuum pump is reduced by adopting a secondary vibration isolation means, so that the problem of vibration noise in a cab caused by the vacuum pump can be avoided.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (8)
1. A vacuum pump mounting bracket structure comprises a vacuum pump, and is characterized by further comprising a mounting bracket assembly and a front cabin longitudinal beam, wherein the vacuum pump is connected with the front part of the front cabin longitudinal beam through the mounting bracket assembly; the mounting bracket assembly comprises a first mounting bracket and a second mounting bracket which is arranged on the lower side of the first mounting bracket and forms supporting force for the first mounting bracket, the first mounting bracket and the second mounting bracket are both connected with the same side surface of the front cabin longitudinal beam, and the vacuum pump is mounted on the first mounting bracket; the second mounting bracket is a Y-shaped bracket, two folding edges connected with the first mounting bracket are arranged on the upper side of the Y-shaped bracket, and the lower side of the Y-shaped bracket is connected with the front cabin longitudinal beam.
2. A vacuum pump mounting bracket structure according to claim 1, wherein the first mounting bracket is a U-shaped bracket with an opening facing away from the front cabin longitudinal beam, the lower side surface of the U-shaped bracket is provided with a mounting groove and vacuum pump mounting holes arranged on two sides of the mounting groove, and one side surface of the U-shaped bracket, which is attached to the front cabin longitudinal beam, is connected with the front cabin longitudinal beam through a fastener.
3. The vacuum pump mounting bracket structure according to claim 2, wherein two first fastening mounting holes are formed in one side face, attached to the front cabin longitudinal beam, of the U-shaped bracket, the two first fastening mounting holes are communicated through a communication hole, and the diameter of each first fastening mounting hole is smaller than that of the communication hole.
4. A vacuum pump mounting bracket arrangement according to claim 3, wherein the first mounting bracket is mounted and connected to the front deck rail by a first bolt and a first damping bushing passing through the first fastening mounting hole.
5. A vacuum pump mounting bracket structure according to claim 4, wherein both sides of the vacuum pump are connected with the vacuum pump mounting holes by second bolts and second damping bushes.
6. A vacuum pump mounting bracket structure according to claim 5, wherein the lower side of the Y-shaped bracket is provided with a second fastening mounting hole, and the Y-shaped bracket is connected with the front cabin longitudinal beam through a third bolt and a third damping bushing.
7. A vacuum pump mounting bracket structure according to claim 6, wherein the first and third damping bushes are secondary damping bushes, annular grooves are formed on the outer sides of the secondary damping bushes, the first bolts pass through the through holes of the first damping bush, the first fastening mounting holes and the corresponding mounting holes of the front cabin longitudinal beams and are in tight fit connection with the screwed nuts, the second bolts pass through the through holes of the second damping bush, the vacuum pump mounting holes and are in tight fit connection with the screwed nuts, and the third bolts pass through the through holes of the third damping bush, the second fastening mounting holes and the corresponding mounting holes of the front cabin longitudinal beams and are in tight fit connection with the screwed nuts.
8. The vacuum pump mounting bracket structure of claim 1, wherein the front deck longitudinal beam comprises an inner side metal plate and an outer side metal plate, and the inner side metal plate and the outer side metal plate form a closed cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910789942.5A CN110525413B (en) | 2019-08-26 | 2019-08-26 | Vacuum pump mounting bracket structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910789942.5A CN110525413B (en) | 2019-08-26 | 2019-08-26 | Vacuum pump mounting bracket structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110525413A CN110525413A (en) | 2019-12-03 |
| CN110525413B true CN110525413B (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910789942.5A Active CN110525413B (en) | 2019-08-26 | 2019-08-26 | Vacuum pump mounting bracket structure |
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| CN (1) | CN110525413B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963408A (en) * | 2019-05-20 | 2020-11-20 | 上海汽车集团股份有限公司 | Car and electron vacuum pump vibration isolation system thereof |
| CN113581151A (en) * | 2021-09-10 | 2021-11-02 | 宜宾凯翼汽车有限公司 | Automobile vacuum pump mounting bracket |
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|---|---|---|---|---|
| JP2012166697A (en) * | 2011-02-15 | 2012-09-06 | Suzuki Motor Corp | Electric negative pressure pump arrangement structure of vehicle |
| JP2012166696A (en) * | 2011-02-15 | 2012-09-06 | Suzuki Motor Corp | Exhaust hose arrangement structure of electric negative pressure pump |
| CN205010223U (en) * | 2015-09-30 | 2016-02-03 | 重庆长安汽车股份有限公司 | Electronic vacuum pump mounting bracket |
| CN205086908U (en) * | 2015-09-01 | 2016-03-16 | 奇瑞汽车股份有限公司 | Shock attenuation fixed bolster of electron vacuum pump |
| CN107985294A (en) * | 2017-12-02 | 2018-05-04 | 奇瑞汽车股份有限公司 | Automobile vacuum pump erecting device |
| CN209274579U (en) * | 2018-11-06 | 2019-08-20 | 重庆金康新能源汽车设计院有限公司 | The bracket of electronic vacuum pump in fixed vehicle |
-
2019
- 2019-08-26 CN CN201910789942.5A patent/CN110525413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012166697A (en) * | 2011-02-15 | 2012-09-06 | Suzuki Motor Corp | Electric negative pressure pump arrangement structure of vehicle |
| JP2012166696A (en) * | 2011-02-15 | 2012-09-06 | Suzuki Motor Corp | Exhaust hose arrangement structure of electric negative pressure pump |
| CN205086908U (en) * | 2015-09-01 | 2016-03-16 | 奇瑞汽车股份有限公司 | Shock attenuation fixed bolster of electron vacuum pump |
| CN205010223U (en) * | 2015-09-30 | 2016-02-03 | 重庆长安汽车股份有限公司 | Electronic vacuum pump mounting bracket |
| CN107985294A (en) * | 2017-12-02 | 2018-05-04 | 奇瑞汽车股份有限公司 | Automobile vacuum pump erecting device |
| CN209274579U (en) * | 2018-11-06 | 2019-08-20 | 重庆金康新能源汽车设计院有限公司 | The bracket of electronic vacuum pump in fixed vehicle |
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| CN110525413A (en) | 2019-12-03 |
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