CN209409814U - A kind of downshift device - Google Patents
A kind of downshift device Download PDFInfo
- Publication number
- CN209409814U CN209409814U CN201821216477.3U CN201821216477U CN209409814U CN 209409814 U CN209409814 U CN 209409814U CN 201821216477 U CN201821216477 U CN 201821216477U CN 209409814 U CN209409814 U CN 209409814U
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- Prior art keywords
- shell
- plunger
- spring
- leaf spring
- downshift device
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Abstract
The utility model relates to a kind of downshift devices, it include: shell, spring, plunger, leaf spring, cover board, the leaf spring is fixedly installed in the shell, the spring is placed in the plunger, it is placed to the elastic movement for being installed on and being done in axial direction in the shell together again, and the plunger is stuck between the leaf spring, when the plunger does the movement in axial direction, it can make the leaf spring that elastic deformation occur, finally by the cover plate lid together on the shell, using ultrasonic welding technique by its soldering.The mechanical down-shift unit of installation, which rises to change by the operating force of great-jump-forward, in the vehicle with automatic transmission, on electronic throttle accelerator pedal gives driver's feedback that can be felt being triggered about mechanical kickdown switch.The down-shift unit of the utility model has the advantages that small in size, assembly and disassembly are convenient.
Description
Technical field
The utility model relates to motor-driven associate member fields, in particular to a kind of downshift device.
Background technique
Mechanical downshift device is installed in the vehicle with automatic transmission, on electronic throttle accelerator pedal and passes through great-jump-forward
Operating force rise variation give driver's feedback that can be felt being triggered about mechanical kickdown switch.Existing skill
Built-in integral structure is mostly used in art greatly, but the downshift device of built-in integral structure has obviously the size of limit shell
It influences, causes shell sizes bigger than normal, to increase the outer dimension and volume of electronic throttle accelerator pedal, increase main engine plants' cloth
Set the difficulty of installation electronic throttle accelerator pedal.
Such as Authorization Notice No. is the Chinese utility model patent of CN204821153B, it discloses a kind of mechanical downshifts to open
It closes, including shell；Bottom cover；Bracket is set in the space that shell and bottom cover are formed；Main shaft, is arranged in bracket and main shaft
First end protrudes from shell；First elastic device, is set between main shaft and bracket, for providing the power of main shaft reset；Main shaft
Including annular groove；Multiple second elastic devices, are set on bracket；The first end of second elastic device connects with annular groove activity
Touching, the second elastic device are in first state；When the effect of the depressed power of main shaft moves down, by the of the second elastic device
Annular groove is released in one end, and the second elastic device is in the second state.The machinery kickdown switch, will not influence and step on to electricity-controlling throttle
The transformation of plate, and convenient for the maintenance and replacement of mechanical kickdown switch；In addition it is also convenient for matching from different gas pedals；It is logical
Threaded connection is crossed, the stroke of mechanical kickdown switch can realize fine tuning, can better adapt to different oil by rotational shell
Door pedal.But the kickdown switch is controlled by two groups of elastic devices, but second group of elastic device is carried out by three steel balls again
Work, structure is more complicated, and assembling difficulty is larger.
Utility model content
In order to solve above-mentioned technological deficiency of the existing technology, the purpose of this utility model is to provide a kind of downshift dresses
It sets, has small in size, and be able to satisfy functional requirement, facilitate installation and removal.
In order to realize above-mentioned purpose of design, the scheme that the utility model uses is as follows:
The downshift device of the utility model, which includes ontology, which includes shell, spring, plunger, lid
Plate, spring are placed in the plunger, and the assembly of plunger and spring is located in shell, and piece is equipped between the plunger and shell
Spring, leaf spring do the elastic movement in axial direction in the shell.When the plunger does the movement in axial direction, the leaf spring can be made to occur
Elastic deformation, finally by the cover plate lid together on the shell, using ultrasonic welding technique by its soldering.It is automatic having
Mechanical downshift device is installed to give by the operating force rising variation of great-jump-forward in the vehicle of speed changer, on electronic throttle accelerator pedal
Give the feedback that can be felt that driver has been triggered about mechanical kickdown switch.
Preferably, the shell includes one group of limited block, the first receiving portion, one group of guide pad, the second receiving portion, first
Limiting section and the second limiting section, the second receiving portion is for providing space required when leaf spring elastic deformation.
In any of the above-described scheme preferably, dovetail groove and accepting hole are provided on the plunger.
In any of the above-described scheme preferably, the leaf spring is the U-shaped board part with bending.
In any of the above-described scheme preferably, the leaf spring is equipped with resilient contact, elastic arm and boss, and elastic arm is used
In elastic deformation；Elastic arm contacts friction with shell and cover board during the motion to boss in order to prevent.
In any of the above-described scheme preferably, the leaf spring is fixed on the first limiting section and the second limiting section of shell
On.
In any of the above-described scheme preferably, the resilient contact in the leaf spring is stuck in the dovetail groove on plunger.
In any of the above-described scheme preferably, there is limiting slot, receiving portion, skewback and ultrasonic bonding on the cover board
Muscle.
In any of the above-described scheme preferably, the side wall of the ontology is equipped with limit buckle.
In any of the above-described scheme preferably, the assembly of the spring and plunger is located at the first receiving portion of shell
It is interior.
In any of the above-described scheme preferably, the first receiving portion of the shell, guide pad respectively with the receipts on cover board
Appearance portion, skewback are worked in coordination, and make spring and plunger that can only axially move.
In any of the above-described scheme preferably, the limiting slot of the limited block of the shell and cover board cooperates.On shell
Limited block is used to be coupled fixation, then logical ultrasonic welding machine with the limiting slot on cover board, and ultrasonic bonding muscle is melted and is welded
It connects.
In any of the above-described scheme preferably, the accepting hole on the plunger cooperates the first receiving portion on shell by bullet
Spring accommodates wherein.
The assembling process of the downshift device of the utility model are as follows: leaf spring is passed through into the first limiting section and the second limiting section first
It is fixedly installed in shell, spring is placed in the accepting hole of plunger, it is another to act the first receiving portion placed and be installed on shell
In, and plunger is stuck between two resilient contacts of leaf spring, is finally covered on cover board on shell by limiting slot and limited block,
Using ultrasonic welding technique by its soldering.
The working principle of the downshift device of the utility model are as follows: the ontology of downshift device is fixed on by limit buckle to be stepped on
On plate, when driver, which floors pedal, to be contacted with body support, plunger is moved downward by the pressure of pedal, and is compressed
Spring, the extruding force outside by the dovetail groove on plunger of the resilient contact in leaf spring, makes the elastic brachiocylloosis in leaf spring at this time,
Resilient contact in leaf spring is squeezed out into the dovetail groove on plunger, this produces one in the process and enables a driver to obviously perceive
A feedback force, explicitly driver can be told to trigger kickdown switch at this time.When unclamping pedal, compressed
Spring elastic force effect under, push plunger to make to be extruded under the restoring force effect that the resilient contact of dovetail groove passes through elastic arm,
Again resilient contact is stuck in dovetail groove, the machinery downshift device automatically resets at this time.
Detailed description of the invention
Fig. 1 is the perspective view according to a preferred embodiment of the downshift device of the utility model.
Fig. 2 is the structural schematic diagram of shell in preferred embodiment shown in Fig. 1 according to the downshift device of the utility model.
Fig. 3 is the structural schematic diagram of spring in preferred embodiment shown in Fig. 1 according to the downshift device of the utility model.
Fig. 4 is the structural schematic diagram of plunger in preferred embodiment shown in Fig. 1 according to the downshift device of the utility model.
Fig. 5 is the structural schematic diagram of leaf spring in preferred embodiment shown in Fig. 1 according to the downshift device of the utility model.
Fig. 6 is the structural schematic diagram of preferred embodiment cover plate shown in Fig. 1 according to the downshift device of the utility model.
Fig. 7 be preferred embodiment shown in Fig. 1 according to the downshift device of the utility model in diastole cuing open under natural conditions
View.
Fig. 8 is the cross-sectional view of preferred embodiment under compression shown in Fig. 1 according to the downshift device of the utility model.
Fig. 9 is used for the knot of accelerator pedal of automobile for preferred embodiment shown in Fig. 1 according to the downshift device of the utility model
Structure schematic diagram.
Figure 10 is used for the work of accelerator pedal of automobile for preferred embodiment shown in Fig. 1 according to the downshift device of the utility model
Make state diagram.
Drawing reference numeral explanation:
Shell 1, limited block 11, the first receiving portion 12, guide pad 13, the second receiving portion 14, the first limiting section 15, the second limit
Position portion 16, spring 2, plunger 3, dovetail groove 31, accepting hole 32, leaf spring 4, resilient contact 41, elastic arm 42, boss 43, cover board 5,
Limiting slot 51, receiving portion 52, skewback 53, ultrasonic bonding muscle 54, ontology 6, limit buckle 61, pedal 7, boss 71, body support
8, mounting base 9.
Specific embodiment
The following description is substantially only exemplary and is not intended to the limitation disclosure, application or purposes.Below
It is further described in conjunction with specific embodiment of the Figure of description to the downshift device of the utility model.
As shown in figs 1 to 6, according to the structural schematic diagram of the downshift device of the utility model.
The downshift device of the utility model, the downshift device include ontology 6, the ontology include shell 1, spring 2, plunger 3,
Cover board 5, spring 2 are placed in the plunger 3, and the assembly of plunger 3 and spring 2 is located in shell 1, the plunger 3 and shell
Leaf spring 4 is equipped between 1, leaf spring 4 does the elastic movement in axial direction in shell 1.When the plunger 3 does the movement in axial direction,
It can make the leaf spring 4 that elastic deformation occur, finally the cover board 5 is covered on the shell 1, uses ultrasonic welding technique
By its soldering.Mechanical downshift device is installed in the vehicle with automatic transmission, on electronic throttle accelerator pedal and passes through jump
The operating force of formula rises variation and gives driver's feedback that can be felt being triggered about mechanical kickdown switch.
As shown in Figure 1, in the present embodiment, the shell 1 is led including one group of limited block 11,12, one groups of the first receiving portion
To block 13, the second receiving portion 14, the first limiting section 15 and the second limiting section 16, the second receiving portion 14 is for providing leaf spring 4 elasticity
Required space when deformation.
As shown in figure 4, in the present embodiment, being provided with dovetail groove 31 and accepting hole 32 on the plunger 3.
As shown in figure 5, in the present embodiment, the leaf spring 4 is the U-shaped board part with bending.
In the present embodiment, the leaf spring 4 is equipped with resilient contact 41, elastic arm 42 and boss 43, and elastic arm 42 is used for
Elastic deformation；Elastic arm 42 contacts friction with shell 1 and cover board 5 during the motion to boss 43 in order to prevent.
In the present embodiment, the leaf spring 4 is fixed on the first limiting section 15 and the second limiting section 16 of shell 1.
In the present embodiment, the resilient contact 41 in the leaf spring 4 is stuck in the dovetail groove 31 on plunger 3.
Referring next to shown in Fig. 6, in the present embodiment, there is limiting slot 51, receiving portion 52, skewback on the cover board 5
53 and ultrasonic bonding muscle 54.
In the present embodiment, the side wall of the ontology 6 is equipped with limit buckle 61.
In the present embodiment, the assembly of the spring 2 and plunger 3 is located in the first receiving portion 12 of shell 1.
In the present embodiment, the first receiving portion 12 of the shell 1, guide pad 13 respectively on cover board 5 receiving portion 52,
Skewback 53 is worked in coordination, and makes spring 2 and plunger 3 that can only axially move.
In the present embodiment, the limiting slot 51 of the limited block 11 of the shell 1 and cover board 5 cooperates.Limited block on shell 1
11, for being coupled fixation, then logical ultrasonic welding machine with the limiting slot 51 on cover board 5, ultrasonic bonding muscle 54 are melted and is welded
It connects.
In the present embodiment, the accepting hole 32 on the plunger 3 cooperates the first receiving portion 12 on shell 1 to hold spring 2
It receives wherein.
As shown in Figure 5, Figure 6, the assembling process of the downshift device of the utility model are as follows: leaf spring 4 is passed through into the first limit first
Position portion 15 and the second limiting section 16 are fixedly installed in shell 1, and spring 2 is placed in the accepting hole 32 of plunger 3, then is put together
It sets in the first receiving portion 12 for being installed on shell 1, and plunger 3 is stuck between two resilient contacts 41 of leaf spring 4, finally by cover board
5 are covered on shell 1 by limiting slot 51 and limited block 11, using ultrasonic welding technique by its soldering.
As shown in figures 1-8, the working principle of the downshift device of the utility model are as follows: the ontology 6 of downshift device passes through limit
Button 61 is fixed on pedal 7, when driver, which floors pedal 7, to be contacted with body support 8 (such as Fig. 9), plunger 3 by
The pressure of pedal 7 moves downward, and compressed spring 2, and the resilient contact 41 in leaf spring 4 is by the dovetail groove on plunger 3 at this time
31 outside extruding forces are bent the elastic arm 42 in leaf spring 4, and the resilient contact 41 in leaf spring 4 is squeezed out the ladder on plunger 3
Shape slot 31, producing one enables a driver to obviously perceive feedback force in the process for this, can explicitly tell and drive
The person of sailing has triggered kickdown switch at this time.When unclamping pedal, under the elastic force effect of compressed spring 2, plunger 3 is pushed
Under the restoring force effect for making the resilient contact 41 for being extruded dovetail groove 31 pass through elastic arm 42, resilient contact 41 is stuck in ladder again
In shape slot 31, the machinery downshift device 6 automatically resets at this time.
Finally refering to fig. 1 shown in 0: the ontology 6 of mechanical downshift device also can be set in the mounting base 9 of pedal 7, when
When driver floors pedal 7, function is realized by the 71 extrusion machinery downshift device 6 of boss on pedal 7.
It will be apparent to those skilled in the art that this practical downshift device includes any combination of each section in this specification.
As space is limited and in order to keep specification concise, these combinations are not discussed in detail one by one herein, but after having seen this specification, by
The scope of the utility model that any combination of each section that this specification is constituted is constituted is self-evident.
Claims (13)
1. a kind of downshift device, which includes ontology (6), which includes shell (1), spring (2), plunger (3), lid
Plate (5), spring (2) are placed in the plunger (3), and the assembly of plunger (3) and spring (2) is located in shell (1), feature
It is: is equipped with leaf spring (4) between plunger (3) and shell (1), leaf spring (4) does the elastic movement in axial direction in shell (1).
2. downshift device as described in claim 1, it is characterised in that: shell (1) includes one group of limited block (11), the first receiving
Portion (12), one group of guide pad (13), the second receiving portion (14), the first limiting section (15) and the second limiting section (16).
3. downshift device as described in claim 1, it is characterised in that: be provided with dovetail groove (31) and accepting hole on plunger (3)
(32)。
4. downshift device as described in claim 1, it is characterised in that: leaf spring (4) is the U-shaped board part with bending.
5. downshift device as described in claim 1, it is characterised in that: leaf spring (4) is equipped with resilient contact (41), elastic arm
(42) and boss (43).
6. downshift device as described in claim 1, it is characterised in that: leaf spring (4) is fixed on the first limiting section of shell (1)
(15) and on the second limiting section (16).
7. downshift device as claimed in claim 5, it is characterised in that: the resilient contact (41) in leaf spring (4) is stuck in plunger (3)
On dovetail groove (31) in.
8. downshift device as described in claim 1, it is characterised in that: have limiting slot (51), receiving portion on cover board (5)
(52), skewback (53) and ultrasonic bonding muscle (54).
9. downshift device as described in claim 1, it is characterised in that: the side wall of ontology (6) is equipped with limit buckle (61).
10. downshift device as described in claim 1, it is characterised in that: spring (2) and the assembly of plunger (3) are located at shell
(1) in the first receiving portion (12).
11. downshift device as claimed in claim 2, it is characterised in that: the first receiving portion (12) of shell (1), guide pad
(13) it works in coordination respectively with the receiving portion (52) on cover board (5), skewback (53), makes spring (2) and plunger (3) that axial direction can only be done
Movement.
12. downshift device as claimed in claim 2, it is characterised in that: the limited block (11) of shell (1) and the limit of cover board (5)
Position slot (51) cooperates.
13. downshift device as claimed in claim 3, it is characterised in that: the accepting hole (32) on plunger (3) cooperates shell (1)
On the first receiving portion (12) by spring (2) accommodate wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821216477.3U CN209409814U (en) | 2018-07-30 | 2018-07-30 | A kind of downshift device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821216477.3U CN209409814U (en) | 2018-07-30 | 2018-07-30 | A kind of downshift device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209409814U true CN209409814U (en) | 2019-09-20 |
Family
ID=67929325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821216477.3U Active CN209409814U (en) | 2018-07-30 | 2018-07-30 | A kind of downshift device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209409814U (en) |
-
2018
- 2018-07-30 CN CN201821216477.3U patent/CN209409814U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211109 Address after: No. 456, Binhai 4th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: WENZHOU RUILI KORMEE AUTOMOTIVE ELECTRONICS CO.,LTD. Address before: 325299 2666 Development Zone, Ruian Economic Development Zone, Wenzhou, Zhejiang Patentee before: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. |