CN208543182U - The press-loading device of electric vacuum pump with annular knurl mandrel - Google Patents
The press-loading device of electric vacuum pump with annular knurl mandrel Download PDFInfo
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- CN208543182U CN208543182U CN201821033765.5U CN201821033765U CN208543182U CN 208543182 U CN208543182 U CN 208543182U CN 201821033765 U CN201821033765 U CN 201821033765U CN 208543182 U CN208543182 U CN 208543182U
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- vacuum pump
- mandrel
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Abstract
The utility model relates to brake system of car technical field, the press-loading device of specifically a kind of electric vacuum pump with annular knurl mandrel.A kind of press-loading device of the electric vacuum pump with annular knurl mandrel, the top of rack is equipped with press fitting cylinder, the projecting shaft for being pressed cylinder connects the upper end of upper sensor connecting plate through the top of rack, one end of the lower end connection force snesor of upper sensor connecting plate, the upper end of the other end connection lower sensor connecting plate of force snesor, one end of the lower end connection guiding axis of lower sensor connecting plate, the other end of guiding axis connect guide pin；It is arranged right below motor placement rack positioned at guide pin, the upper end of motor placement rack is equipped with motor guiding axis.Compared with the existing technology, force snesor and displacement sensor be can use, can intuitively judge whether press fitting product is qualified, and be pressed in two times, improve the overall quality of electric vacuum pump, prolong the service life.
Description
Technical field
It is specifically a kind of electronic true with annular knurl mandrel the utility model relates to brake system of car technical field
The press-loading device of sky pump.
Background technique
Electric vacuum pump is applied to new energy vehicle, is that vacuum booster extracts vacuum using electric energy, be it is a kind of it is mature and stable,
Economic brake boost solution.Diaphragm type electric vacuum pump has the features such as pumping efficiency is high, and the service life is long, but motor exports
Mandrel and eccentric block connection type are very crucial, due under tension in rotation process, eccentric block are be easy to cause to fall off, therefore,
A kind of mandrel annular knurl design is provided, the eccentric block for being pressed into powdered metallurgical material ensures securely to connect, it appears particularly important.
Traditional for the press fitting of motor mandrel and eccentric block is pressed manually by worker, the dynamics of press fitting and
Stroke entirely by rule of thumb, none defined data, so that the product for being pressed out has no idea whether to judge its quality
Qualification can only embody in use, in this way, there are some potential safety problemss.
Summary of the invention
The utility model in order to overcome the deficiencies of the prior art, provides a kind of press fitting of electric vacuum pump with annular knurl mandrel
Equipment.
To achieve the above object, a kind of press-loading device of electric vacuum pump with annular knurl mandrel, including rack, pressure are designed
Fill cylinder, force snesor, guiding axis, motor placement rack, it is characterised in that: the top of rack is equipped with press fitting cylinder, is pressed cylinder
Projecting shaft the upper end of upper sensor connecting plate, the lower end attachment force sensing of upper sensor connecting plate are connected through the top of rack
One end of device, the upper end of the other end connection lower sensor connecting plate of force snesor, the lower end connection of lower sensor connecting plate are led
To one end of axis, the other end of guiding axis connects guide pin；Motor placement rack, the electricity are arranged right below positioned at guide pin
Machine placement rack is located at the front side of rack, and the upper end of motor placement rack is equipped with motor guiding axis.
The press fitting cylinder is equipped with displacement sensor.
It is connected between the upper sensor connecting plate and lower sensor connecting plate using connecting column, the connecting column point
Surrounding position not between upper sensor connecting plate and lower sensor connecting plate.
Guide rod is equipped at left and right sides of the projecting shaft of press fitting cylinder, one end of guide rod is located at the top of rack, leads
It is connect to the other end of bar through rack with upper sensor connecting plate.
The motor placement rack is in " convex " font structure.
The utility model compared with the existing technology, provides a kind of press-loading device of electric vacuum pump with annular knurl mandrel,
It can use force snesor and displacement sensor, can intuitively judge whether press fitting product is qualified, and be pressed in two times, mention
The high overall quality of electric vacuum pump, prolongs the service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is product structure cross-sectional view.
Fig. 3 is the core shaft structure schematic diagram of motor.
Referring to Fig. 1,11 be press fitting cylinder, and 12 be guide rod, and 13 be upper sensor connecting plate, and 14 connect for lower sensor
Plate, 15 be rack, and 16 be motor placement rack, and 17 be motor guiding axis, and 18 be guide pin, and 19 be guiding axis, and 20 be connecting column, 21
For force snesor.
Referring to fig. 2,1 is cylinder cap, and 2 be motor, and 4 be shell, and 5 be diaphragm, and 6 be connecting rod, and 7 be muffler, and 8 be eccentric block.
Specific embodiment
The utility model is described further below according to attached drawing.
As shown in Figure 1, the top of rack 15 is equipped with press fitting cylinder 11, the projecting shaft of press fitting cylinder 11 runs through the top of rack 15
Portion connects the upper end of upper sensor connecting plate 13, one end of the lower end connection force snesor 21 of upper sensor connecting plate 13, and power passes
The upper end of the other end connection lower sensor connecting plate 14 of sensor 21, the lower end connection guiding axis 19 of lower sensor connecting plate 14
The other end of one end, guiding axis 19 connects guide pin 18；Motor placement rack 16 is arranged right below positioned at guide pin 18, it is described
Motor placement rack 16 is located at the front side of rack 15, and the upper end of motor placement rack 16 is equipped with motor guiding axis 17.
It is pressed cylinder 11 and is equipped with displacement sensor.
It is connected between upper sensor connecting plate 13 and lower sensor connecting plate 14 using connecting column 20, the connecting column 20
It is located at the surrounding position between sensor connecting plate 13 and lower sensor connecting plate 14.
Guide rod 12 is equipped at left and right sides of the projecting shaft of press fitting cylinder 11, one end of guide rod 12 is located at rack 15
The other end on top, guide rod 12 is connect through rack 15 with upper sensor connecting plate 13.
Motor placement rack 16 is in " convex " font structure.
Such as Fig. 2, shown in Fig. 3, the upper and lower ends of shell 4 are separately connected cylinder cap 1, the inner end connection of the cylinder cap 1 of upper and lower ends
The other end of one end of diaphragm 5, diaphragm 5 connects eccentric block 8 using connecting rod 6；The side of shell 4 is equipped with motor 2, the core of motor 2
Axis connects the eccentric orfices of two eccentric blocks 8 to axis respectively；The mandrel of the motor 2 is annular knurl toothing.
The other side of shell 4 is equipped with muffler 7.
The cylinder cap 1 and diaphragm 5 of shell 4 and upper and lower ends form vacuum chamber, the forward position positioned at vacuum chamber connects
Vacuum interface.
Check valve is equipped with positioned at upper end cylinder cap 1.
Eccentric block 8 is made for powder metallurgical technique.
A kind of method of press-fitting of the electric vacuum pump with annular knurl mandrel, the specific method is as follows:
(1) motor and two pieces of eccentric blocks be placed in the designated position of press, press according to specified indentation force value and under
Stroke is pressed, primary indentation work is carried out, the stroke of indentation is not more than 30mm, and the force value of indentation is not more than 11000N；
(2) data that press is provided according to force snesor and displacement sensor judge the stroke and indentation force value of indentation
It is whether qualified, it is unqualified, it alarms；
(3) force value for being pressed into first piece of eccentric block is F1, and the force value for being pressed into second piece of eccentric block is F2, wherein F1 and F2-
The force value of F1 is both greater than 800N respectively, is judged as qualified, unqualified, alarms；
(4) after indentation is qualified, workpiece is taken out, continues next process.
A kind of electric vacuum pump and its method of press-fitting with annular knurl mandrel is provided, is pressed into using the motor mandrel of annular knurl inclined
The eccentric orfice and eccentric block of heart block are made for powder metallurgical technique, it is ensured that motor mandrel can securely connect with eccentric block
It connects；And cooperates specific press-loading process, improve the overall quality of electric vacuum pump, prolong the service life.
Claims (5)
1. a kind of press-loading device of the electric vacuum pump with annular knurl mandrel, including rack, press fitting cylinder, force snesor, guiding
Axis, motor placement rack, it is characterised in that: the top of rack (15) is equipped with press fitting cylinder (11), is pressed the projecting shaft of cylinder (11)
The upper end of upper sensor connecting plate (13), the lower end attachment force of upper sensor connecting plate (13) are connected through the top of rack (15)
One end of sensor (21), the upper end of other end connection lower sensor connecting plate (14) of force snesor (21), lower sensor connect
The other end of one end of lower end connection guiding axis (19) of fishplate bar (14), guiding axis (19) connects guide pin (18)；Positioned at guiding
Pin (18) is arranged right below motor placement rack (16), and the motor placement rack (16) is located at the front side of rack (15), motor
The upper end of placement rack (16) is equipped with motor guiding axis (17).
2. the press-loading device of the electric vacuum pump according to claim 1 with annular knurl mandrel, it is characterised in that: described
It is pressed cylinder (11) and is equipped with displacement sensor.
3. the press-loading device of the electric vacuum pump according to claim 1 with annular knurl mandrel, it is characterised in that: described
It is connect between upper sensor connecting plate (13) and lower sensor connecting plate (14) using connecting column (20), the connecting column (20)
It is located at the surrounding position between sensor connecting plate (13) and lower sensor connecting plate (14).
4. the press-loading device of the electric vacuum pump according to claim 1 with annular knurl mandrel, it is characterised in that: be located at pressure
It filling and is equipped with guide rod (12) at left and right sides of the projecting shaft of cylinder (11), one end of guide rod (12) is located at the top of rack (15),
The other end of guide rod (12) is connect through rack (15) with upper sensor connecting plate (13).
5. the press-loading device of the electric vacuum pump according to claim 1 with annular knurl mandrel, it is characterised in that: described
Motor placement rack (16) is in " convex " font structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033765.5U CN208543182U (en) | 2018-07-02 | 2018-07-02 | The press-loading device of electric vacuum pump with annular knurl mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033765.5U CN208543182U (en) | 2018-07-02 | 2018-07-02 | The press-loading device of electric vacuum pump with annular knurl mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208543182U true CN208543182U (en) | 2019-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821033765.5U Active CN208543182U (en) | 2018-07-02 | 2018-07-02 | The press-loading device of electric vacuum pump with annular knurl mandrel |
Country Status (1)
| Country | Link |
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| CN (1) | CN208543182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869240A (en) * | 2018-07-02 | 2018-11-23 | 上海汽车制动系统有限公司 | Electric vacuum pump and its method of press-fitting with annular knurl mandrel |
| CN111085844A (en) * | 2020-01-07 | 2020-05-01 | 煌太阳科技有限公司 | Device for efficiently pressing and installing C-EPS (expandable polystyrene) upper pipe column |
-
2018
- 2018-07-02 CN CN201821033765.5U patent/CN208543182U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869240A (en) * | 2018-07-02 | 2018-11-23 | 上海汽车制动系统有限公司 | Electric vacuum pump and its method of press-fitting with annular knurl mandrel |
| CN111085844A (en) * | 2020-01-07 | 2020-05-01 | 煌太阳科技有限公司 | Device for efficiently pressing and installing C-EPS (expandable polystyrene) upper pipe column |
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