CN205533061U - A transmission connecting device for vacuum pump - Google Patents
A transmission connecting device for vacuum pump Download PDFInfo
- Publication number
- CN205533061U CN205533061U CN201620066335.8U CN201620066335U CN205533061U CN 205533061 U CN205533061 U CN 205533061U CN 201620066335 U CN201620066335 U CN 201620066335U CN 205533061 U CN205533061 U CN 205533061U
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- adapter
- gear
- signal generator
- camshaft
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model relates to a car braking equipment technical field especially relates to a transmission connecting device for vacuum pump. The utility model discloses a transmission connecting device for vacuum pump compresses tightly coaxial suit through first parallel key outside the tip of camshaft with gear, signal generator and connector in order to it realizes tendency drive to make between gear and the camshaft, and simultaneously, the structure of signal generator and connector has still been optimized, make traditional camshaft clamp plate integration on the connector, and the fixation between assurance connector and the signal generator, and the transmission between the location axle of connector and vacuum pump is connected, thereby in the tendency drive who realizes gear and camshaft, can also realize the stable transmission 's between camshaft and the independent vacuum pump mesh, a structure is simple, overall structure changes lessly, and do not increase the special -purpose item, part production technology nature is better, the complete machine outward appearance that makes the engine obtains optimizing, can adapt to batch production.
Description
Technical field
This utility model relates to automobile braking device technical field, particularly relates to a kind of for vacuum
The transmission joint of pump.
Background technology
In current automobile brake technical field, the automobile of light card one class typically requires vacuum
Braking brake, and inside be provided with diesel engine gas braking egr system (Chinese be aerofluxus again
Blood circulation) need vacuum to control EGR valve (Chinese for for control feed back to into
The control valve of the waste gas recirculation of gas system), it is therefore desirable to scavenging pump provides certain vacuum,
I.e. vacuum pump.The effect of vacuum pump produces negative pressure exactly, thus increases brake force, automobile generating
Machine vacuum pump is again boost pump, and it is the power-assisted dress system of brake system and steering.
The layout restricted of current existing engine vacuum pump is more, and common structure has:
Layout, the pump chamber integrated with electromotor are integrated on body and use gear drive or chain to pass
Dynamic layout.The machine shape of general light duty engine is less, and the electromotor of band vacuum pump
Profile is relatively big, is difficult to arrange, therefore the variation of the layout of body integrated form vacuum pump is the most relatively
Greatly.
Existing automobile vacuum pump mostly is and electromotor integration-in-one, this kind of independent vacuum pump
Usually alumiaum article, although the most more convenient complete machine of its very light weight is arranged, but cost is relatively
Height, the production technology of the parts related to is relative complex, be difficult to assembling, during production in enormous quantities
Part time can be wasted, so the production cost of independent vacuum pump is of a relatively high.
In conjunction with the problem of above-mentioned background technology, the utility model proposes a kind of for vacuum pump
Transmission joint.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model there is provided a kind of transmission for vacuum pump even
Connection device, solves between cam shaft for diesel engine and electromotor independent vacuum pump from complete machine angle
Transmission problem, simple in construction, batch production can be realized.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of biography for vacuum pump
Be dynamically connected device, including all sequentially compressing coaxial package in the end of camshaft by the first flat key
Outer gear, signal generator and adapter, and described adapter fixing coaxial is set in signal
In generator, described adapter is in transmission connection by the locating shaft of the second flat key with vacuum pump, institute
State signal generator for for electronic engine control module provide described gear status signal input,
And the drive state signal input of described adapter and vacuum pump.
Wherein, being provided with first step in described signal generator, described adapter is installed in described
In first step, to ensure that described adapter coaxial package is in described signal generator.
Wherein, one end of described adapter fixes and is installed in described first step, and the other end sets
Having the first keyway for connecting described second flat key, described first keyway stretches out first step
Outside edge.
Wherein, the locating shaft of described vacuum pump be provided with for described second flat key is installed second
Keyway, described second keyway is connected with the first keyway of described adapter by the second flat key.
Wherein, described adapter is set in described letter by least two fastening bolt fixing coaxial
In number generator.
Wherein, described gear, signal generator and adapter pass through hold-down bolt sequentially clamping sleeve
It is loaded on outside the end of described camshaft.
Wherein, described adapter is fixed in described signal generator by described hold-down bolt
In.
Wherein, in described signal generator is set in described gear.
Wherein, also including gear cap and the gear chamber that can integrally assemble, described gear chamber is set in
Outside described camshaft, described gear, signal generator and adapter are sequentially arranged in described gear
Indoor, described vacuum pump is fixed on outside described gear cap, and described adapter is by described gear cap
The locating shaft of pilot hole and described vacuum pump be in transmission connection.
Wherein, it is matched in clearance between locating shaft and the pilot hole of gear cap of described vacuum pump.
(3) beneficial effect
Technique scheme of the present utility model has the advantages that use of the present utility model
Transmission joint in vacuum pump passes through the first flat key by gear, signal generator and adapter
Sequentially compression coaxial package is outside the end of camshaft, so that realizing between gear and camshaft rubbing
Wipe transmission；Meanwhile, also optimize the structure of signal generator and adapter, make traditional cam
Shaft pressuring plate is integrated on the connectors, and ensures the fixing assembling between adapter and signal generator,
And being in transmission connection between adapter and the locating shaft of vacuum pump, thus realizing gear with convex
While the frictional drive of wheel shaft, moreover it is possible to realize the stable biography between camshaft and independent vacuum pump
Dynamic purpose, its simple in construction, overall structure change is less, and does not increases special purpose parts, part
Production technology is preferable, makes the complete machine outward appearance of electromotor be optimized, it is possible to adapt to batch production.
Accompanying drawing explanation
Fig. 1 is the explosive view of the transmission joint for vacuum pump of this utility model embodiment；
Fig. 2 is the profile of the transmission joint for vacuum pump of this utility model embodiment；
Fig. 3 is the signal generator assembling shaft side figure with adapter of this utility model embodiment；
Fig. 4 is the signal generator sectional arrangement drawing with adapter of this utility model embodiment；
Fig. 5 is the shaft side figure of the signal generator of this utility model embodiment；
Fig. 6 is the side view of the signal generator of this utility model embodiment；
Fig. 7 is the shaft side figure of the adapter of this utility model embodiment；
Fig. 8 is the side view of the adapter of this utility model embodiment.
Wherein, 1, camshaft；2, gear；3, signal generator；4, adapter；5, true
Empty pump；6, the first flat key；7, fastening bolt；8, hold-down bolt；9, gear cap；10、
Gear chamber；11, first step；12, the first keyway.
Detailed description of the invention
Make to retouch the most in detail to embodiment of the present utility model with embodiment below in conjunction with the accompanying drawings
State.Following example are used for illustrating this utility model, but can not be of the present utility model for limiting
Scope.
In description of the present utility model, except as otherwise noted, term " on ", D score, " left ",
The side of the instruction such as " right ", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody "
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description
This utility model and simplification describe rather than indicate or imply that the device of indication or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
Novel restriction.Additionally, term " first ", " second ", etc. be not only used for describing purpose, and not
It is understood that as instruction or hint relative importance.
As shown in Figure 1 and Figure 2, the transmission joint for vacuum pump described in the present embodiment
By the first flat key 6, gear 2, signal generator 3 and adapter 4 are sequentially compressed coaxial package
Outside the end of camshaft 1, so that realizing frictional drive between gear 2 and camshaft 1, the
One flat key 6 is for location engine port timing timing；By optimizing signal generator 3 and connecting
Connect the structure of device 4, make traditional camshaft 1 pressing plate be integrated on adapter 4, and adapter 4
Fixing coaxial is set in signal generator 3 so that signal generator 3 and adapter 4 can quilts
It is considered as a rigid body；Adapter 4 is by the second flat key (not shown) and vacuum pump 5
Locating shaft is in transmission connection, in the fixing assembling ensured between adapter 4 and signal generator 3
Simultaneously, it is ensured that the stable drive between adapter 4 and the locating shaft of vacuum pump 5 is connected, thus
Can be while realizing gear 2 frictional drive with camshaft 1, moreover it is possible to realize camshaft 1 with
The purpose of the stable drive between independent vacuum pump 5, its simple in construction, overall structure is changed relatively
Little, and do not increase special purpose parts, part production technology is preferable, makes the complete machine outward appearance of electromotor obtain
To optimizing, it is possible to adapt to batch production.
The signal generator 3 of the present embodiment for providing the shape of gear 2 for electronic engine control module
The drive state signal input of the input of state signal and adapter 4 and vacuum pump 5, so that sending out
(English full name is Electronic Control Unit to the ECU of motivation, and Chinese is car
With microcomputerized controller) duty of electromotor can be made and accurately judging.
As shown in Fig. 3-Fig. 8, in order to ensure between signal generator 3 and adapter 4 can be with
Axle is firm to be installed, it is ensured that both position degrees and axiality, preferably sets in signal generator 3
First step 11, adapter 4 is had to be installed in first step 11, to ensure that adapter 4 can be same
Axle sleeve is loaded in signal generator 3.
In order to ensure stably fix between signal generator 3 and adapter 4 assembling, adapter 4
It is set in signal generator 3 by least two fastening bolt 7 fixing coaxial, preferably at letter
Outside the first step 11 of number generator 3, uniform or symmetrical is provided with at least two for pacifying
Load the screw of fixing bolt 7, and position relative with signal generator 3 on adapter 4 is also
It is provided with the installation screw of correspondence, by the threaded engagement of fastening bolt 7, adapter 4 is fixed on
In signal generator 3, and ensure the position degree between adapter 4 and signal generator 3 and with
Axle degree, when motion, adapter 4 can be considered a rigid body with signal generator 3, prevents from starting
The excessive bolt looseness caused of local assault load when machine just starts or bolt stuck phenomenon.
In order to ensure the bonded stable transmission between the locating shaft of adapter 4 and vacuum pump 5,
Preferably fixing in one end of adapter 4 and be installed in first step 11, the other end is provided with for even
Connecing the first keyway 12 of the second flat key, the first keyway 12 stretches out outside the edge of first step 11,
So that carrying out bonded between the first keyway 12 and the locating shaft of vacuum pump 5, preferably this first
Step 11 uses basic hole system tolerance fit with the axle portion of adapter 4, can guarantee that during assembling both
Axiality in transmission process；The locating shaft of vacuum pump 5 is provided with for installing the second flat key
The second keyway (not shown), the second keyway by the second flat key and adapter 4 first
Keyway 12 connects, so that the locating shaft of vacuum pump 5 can be by the second flat key and adapter 4
The first keyway 12 connect, and then ensure that between the locating shaft of vacuum pump 5 and adapter 4
Stable transmission, the first keyway 12 connects when coordinating and can effectively reduce engine start with the second flat key
Connect the transmission shock loading between device 4 and vacuum pump 5.
In order to ensure the friction between camshaft 1 and gear 2, signal generator 3 and adapter 4
Stable transmission is reliable, and gear 2, signal generator 3 and adapter 4 are all by hold-down bolt 8
Compression fit is outside the end of camshaft 1；Preferably adapter 4 compresses solid by hold-down bolt 8
In signal generator 3, to further ensure that the firm of signal generator 3 and adapter 4
Connect；Preferably signal generator 3 is set in gear 2, to guarantee signal generator 3 energy
Enough electronic control module that in real time signal of gear 2 transmission is transferred to electromotor.
The transmission joint for vacuum pump of the present embodiment also includes the gear that can integrally assemble
Lid 9 and gear chamber 10, gear chamber 10 is set in outside camshaft 1, gear 2, signal generator
3 and adapter 4 be sequentially arranged in gear chamber 10, vacuum pump 5 is fixed on outside gear cap 9,
Adapter 4 is in transmission connection by the locating shaft of the pilot hole of gear cap 9 with vacuum pump 5, thus
Ensure that gear 2, signal generator 3 and adapter 4 are compact to be set in outside camshaft 1 so that
Compact conformation between this gear cap 9 and gear chamber 10, stable connection, reliable transmission, each zero
Part production technology is good, it is adaptable to batch production.In order to ensure vacuum pump 5 and gear cap 9 it
Between rigging position, it is ensured that the link position of vacuum pump 5 and adapter 4 accurately, reliable transmission,
It is preferably matched in clearance between locating shaft and the pilot hole of gear cap 9 of vacuum pump 5.
The transmission joint for vacuum pump of the present embodiment at work, after engine start,
Camshaft 1 normal rotation, by the gear 2 in the first flat key 6 driven gear room 10, signal
Generator 3 and adapter 4 rotate coaxially, and adapter 4 drives vacuum pump 5 by the second flat key
Operating, thus while realizing the gear 2 frictional drive with camshaft 1, moreover it is possible to realize convex
The purpose of the stable drive between wheel shaft 1 and independent vacuum pump 5；Meanwhile, signal occurs
The signal of gear 2 transmission and vacuum pump 5 transmission is transferred to electronic engine control module by device 3, with
The duty of electromotor can be made accurately judgement by the ECU being easy to electromotor.
In sum, the transmission joint for vacuum pump of the present embodiment passes through the first flat key 6
Gear 2, signal generator 3 and adapter 4 are sequentially compressed the coaxial package end at camshaft 1
Outside portion, so that realizing frictional drive between gear 2 and camshaft 1；Meanwhile, letter is also optimized
Number generator 3 and the structure of adapter 4, make traditional camshaft 1 pressing plate be integrated in adapter 4
On, and ensure the fixing assembling between adapter 4 and signal generator 3, and adapter 4
And being in transmission connection between the locating shaft of vacuum pump 5, thus realizing gear 2 and camshaft 1
Frictional drive while, moreover it is possible to realize the stable biography between camshaft 1 and independent vacuum pump 5
Dynamic purpose, its simple in construction, overall structure change is less, and does not increases special purpose parts, part
Production technology is preferable, makes the complete machine outward appearance of electromotor be optimized, it is possible to adapt to batch production.
Embodiment of the present utility model is given for the sake of example and description, and is not
Exhaustively or by this utility model it is limited to disclosed form.Many modifications and variations for
It is apparent from for those of ordinary skill in the art.Select and describe embodiment be in order to
Principle of the present utility model and actual application are more preferably described, and make the ordinary skill people of this area
Member is it will be appreciated that this utility model thus design are suitable to various with various amendments of special-purpose
Embodiment.
Claims (10)
1. the transmission joint for vacuum pump, it is characterised in that include all by the
One flat key (6) sequentially compress coaxial package gear (2) outside the end of camshaft (1),
Signal generator (3) and adapter (4), and described adapter (4) fixing coaxial is set in
In signal generator (3), described adapter (4) is by the second flat key and vacuum pump (5)
Locating shaft is in transmission connection, and described signal generator (3) is for providing institute for electronic engine control module
State the status signal input of gear (2) and described adapter (4) and vacuum pump (5)
Drive state signal inputs.
Transmission joint for vacuum pump the most according to claim 1, its feature exists
In, it being provided with first step (11) in described signal generator (3), described adapter (4) blocks
It is loaded in described first step (11), to ensure that described adapter (4) coaxial package is in described
In signal generator (3).
Transmission joint for vacuum pump the most according to claim 2, its feature exists
In, one end of described adapter (4) fixes and is installed in described first step (11), another
End is provided with the first keyway (12) for connecting described second flat key, described first keyway (12)
Stretch out outside the edge of first step (11).
Transmission joint for vacuum pump the most according to claim 2, its feature exists
In, the locating shaft of described vacuum pump (5) is provided with the second key for installing described second flat key
Groove, described second keyway is by first keyway (12) of the second flat key with described adapter (4)
Connect.
5. according to the transmission joint for vacuum pump described in any one of claim 1-4,
It is characterized in that, described adapter (4) passes through at least two fastening bolt (7) fixing coaxial
It is set in described signal generator (3).
Transmission joint for vacuum pump the most according to claim 1, its feature exists
In, described gear (2), signal generator (3) and adapter (4) pass through hold-down bolt (8)
Sequentially clamping sleeve is loaded on outside the end of described camshaft (1).
Transmission joint for vacuum pump the most according to claim 6, its feature exists
In, described adapter (4) is fixed by described hold-down bolt (8) and sends out in described signal
In raw device (3).
Transmission joint for vacuum pump the most according to claim 1, its feature exists
In, described signal generator (3) is set in described gear (2).
Transmission joint for vacuum pump the most according to claim 1, its feature exists
In, also include gear cap (9) and the gear chamber (10) that can integrally assemble, described gear chamber (10)
It is set in described camshaft (1) outward, described gear (2), signal generator (3) and connection
Device (4) is sequentially arranged in described gear chamber (10), and described vacuum pump is fixed on described gear
Lid (9) outward, described adapter (4) by the pilot hole of described gear cap (9) and described very
The locating shaft (5) of empty pump is in transmission connection.
Transmission joint for vacuum pump the most according to claim 9, its feature
It is, is gap between locating shaft (5) and the pilot hole of gear cap (9) of described vacuum pump
Coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066335.8U CN205533061U (en) | 2016-01-21 | 2016-01-21 | A transmission connecting device for vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066335.8U CN205533061U (en) | 2016-01-21 | 2016-01-21 | A transmission connecting device for vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533061U true CN205533061U (en) | 2016-08-31 |
Family
ID=56768958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620066335.8U Active CN205533061U (en) | 2016-01-21 | 2016-01-21 | A transmission connecting device for vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605268A (en) * | 2019-01-30 | 2019-04-12 | 潍柴动力扬州柴油机有限责任公司 | A kind of special tooling of integrated form signal panels |
-
2016
- 2016-01-21 CN CN201620066335.8U patent/CN205533061U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605268A (en) * | 2019-01-30 | 2019-04-12 | 潍柴动力扬州柴油机有限责任公司 | A kind of special tooling of integrated form signal panels |
| CN109605268B (en) * | 2019-01-30 | 2023-09-19 | 潍柴动力扬州柴油机有限责任公司 | Special frock of integrated form signal disc |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205363093U (en) | Welding jig of car control arm | |
| CN205533061U (en) | A transmission connecting device for vacuum pump | |
| CN2758526Y (en) | Crosshead hydraulic jointing fastener | |
| CN210343889U (en) | Supercharging device for hydraulic cylinder | |
| CN1058432C (en) | Portable caulking gun | |
| CN210087799U (en) | Electric connecting bolt | |
| CN205578554U (en) | Torque transmission device | |
| CN207510397U (en) | The integral type high-speed driving device of integrated parking system | |
| CN102407443B (en) | Tool for arranging fixing bolt in pressure plate spring of engine clutch | |
| CN108869129A (en) | A kind of single cylinder diesel of crankshaft driving oil transfer pump | |
| CN202607596U (en) | Tool for laminating bush in narrow space | |
| CN202271357U (en) | Fixture for driving fixed bolt for pressing plate spring of engine clutch | |
| CN109026375A (en) | Engine high precision translational mechanism | |
| CN206111711U (en) | Double speed electromagnetism stack valves | |
| CN206456355U (en) | A kind of vavuum pump power brake assembly | |
| CN2747374Y (en) | Multi-cylinder fuel injection pump with electric controlled monomer combined structure | |
| CN109108634A (en) | A kind of workpiece tightens omnipotent rotation preventive mechanism and master subtracts gear rotation stop tightening mechanism | |
| CN205997762U (en) | A kind of switching device of car light | |
| CN104131842A (en) | Air circulating rotor engine | |
| CN208498213U (en) | The power-driven system of pure electric automobile | |
| CN2883734Y (en) | Machine-oil pump of engine | |
| CN2763630Y (en) | Boosting cylinder for clutch | |
| CN205768784U (en) | A kind of automotive seat angular adjustment actuating device | |
| CN214789591U (en) | Precise connecting flange for aircraft engine | |
| CN204900253U (en) | Compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |