CN206280483U - A kind of mechanical transmission block selecting return mechanism - Google Patents
A kind of mechanical transmission block selecting return mechanism Download PDFInfo
- Publication number
- CN206280483U CN206280483U CN201621204625.0U CN201621204625U CN206280483U CN 206280483 U CN206280483 U CN 206280483U CN 201621204625 U CN201621204625 U CN 201621204625U CN 206280483 U CN206280483 U CN 206280483U
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- Prior art keywords
- block
- shifting
- spring
- switch control
- spacer
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000009347 mechanical transmission Effects 0.000 title claims abstract description 11
- 230000007935 neutral effect Effects 0.000 claims abstract description 71
- 125000006850 spacer group Chemical group 0.000 claims abstract description 61
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000021184 main course Nutrition 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model is related to a kind of mechanical transmission block selecting return mechanism, including installed in the horizontal gear level manipulated in housing；It is socketed neutral position switch control block, the first return spring, spring spacer, shifting shifting block on horizontal gear level successively in the axial direction and returns to the first position-limit mechanism of neutral from 5/6 gear for shifting shifting block；The two ends of the first return spring are connected with neutral position switch control block and spring spacer respectively, and spring spacer connects with shifting shifting block；First return spring and the equal empty set of spring spacer are on horizontal gear level；The outer end of neutral position switch control block and horizontal gear level are fixedly linked, and the inner is provided with for second position-limit mechanism spacing to spring spacer.The utility model is by setting spring spacer and neutral position switch control block, when select gear shifting pulling head by 1/2 gear or reverse gear return neutral when, spring spacer is moved to the spacing place of the second position-limit mechanism of arrival under the effect of the first return spring, makes shifting shifting block precise positioning in neutral gear position.
Description
【Technical field】
The utility model is related to speed changer field, and in particular to a kind of mechanical transmission block selecting return mechanism.
【Background technology】
With the increasingly internationalization of product, user is to speed changer quality requirement and performance requirement more and more higher, wherein plucking gear
Automatic precisely return is one of middle most important performance indications of light truck gear selecting shifting comfort.Block selecting return mechanism is used as shadow
The key factor of speed changer block selecting performance is rung, is always the research emphasis of speed changer.But light truck speed changer is such as at present
When 6J70TC etc. is in the presence of gear is plucked to neutral, the inaccurate problem of neutral positioning.
As shown in figure 1, existing block selecting return mechanism is plucked by 5/6 gear keeping off to neutral gear position, spacer 8 eventually stops
Terminate at the spline configured left boss position of horizontal gear level 7, shifting shifting block 6 can be made precisely to return to neutral gear position.But consider dress
With technique, more limited by manipulating the space of housing 10, cannot be installed identical with 5/6 gear spacing on the right side of the spline of horizontal gear level 7
Mechanism, is selected to 1/2 gear or when reversing gear from neutral gear position, the first return spring 3 and the second return spring respectively with shifting shifting block 6
With the manipulation directly contact of housing 10, the on-demand gear shifting pulling head 6 of the first return spring 3 moves right and is compressed, when existing block selecting is returned
When gear is plucked to neutral gear position by 1/2 gear or position of reversing gear by position mechanism, may be due to the both sides return spring of shifting shifting block 6 not
Shifting shifting block 7 is caused to be unable to precise positioning in neutral gear position with spring force.
【The content of the invention】
The purpose of this utility model is to overcome problems of the prior art, there is provided a kind of mechanical transmission block selecting
Return mechanism, ensure that shifting shifting block accurately plucks gear to neutral gear position in 1/2 gear or position of reversing gear.
In order to achieve the above object, the utility model is adopted the following technical scheme that：
Including manipulating housing and the horizontal gear level in manipulation housing；On horizontal gear level in the axial direction according to
Secondary socket neutral position switch control block, the first return spring, spring spacer, shifting shifting block and for shifting shifting block from 5/6
Gear returns to the first position-limit mechanism of neutral；
The two ends of the first return spring are connected with neutral position switch control block and spring spacer respectively, spring spacer and shifting
Shifting block connects；First return spring and the equal empty set of spring spacer are on horizontal gear level；
The outer end of neutral position switch control block and horizontal gear level are fixedly linked, and the inner is provided with for spacing to spring spacer
The second position-limit mechanism.
Further, the first position-limit mechanism includes the spacer being socketed on horizontal gear level, and spacer passes through the second return bullet
Spring connects with housing is manipulated.
Further, horizontal gear level with the cylinder pin hole that is connected, cylinder pin hole are offered in neutral position switch control block
Interior installation elastic cylindrical pin.
Further, elastic cylindrical pin is parallel with shifting shifting block.
Further, neutral position switch control block and spring spacer are the tubular knot with diameter greater than the first return spring external diameter
Be staggered several arc-shaped slots on structure, neutral position switch control block and the relative one end barrel of spring spacer, and arc-shaped slot will
During barrel is separated into several arc blocks, and arc block penetrates relative arc-shaped slot；The arc block of neutral position switch control block
End outside sets groove, and circlip for shaft is provided with the groove, and circlip for shaft is enclosed within the arc block of spring spacer
On；The arc block end outside of spring spacer is provided with the boss for coordinating with circlip for shaft, forms the second position restrainer
Structure.
Further, for gap coordinates between circlip for shaft and the arc block of spring spacer, circlip for shaft
External diameter of the internal diameter less than spring spacer convex platform；For interference is matched somebody with somebody between the groove of circlip for shaft and neutral position switch control block
Close.
Compared with prior art, the utility model has following beneficial technique effect：
The utility model enables shifting shifting block to return to neutral from 5/6 gear by setting the first position-limit mechanism；By setting
Spring spacer and neutral position switch control block are put, and the first return spring is arranged between, be elected to gear shifting pulling head by neutral
When selection 1/2 keeps off or reverses gear, neutral position switch control block is maintained static, the on-demand gear shifting pulling head of spring spacer is moved and compressed first time
Position spring；When select gear shifting pulling head by 1/2 gear or reverse gear return neutral when, in the presence of the first return spring by spring spacer move
Move to it and reach the spacing place of the second position-limit mechanism, so that shifting shifting block precise positioning is in neutral gear position, effectively solve to pass
System shifting shifting block is difficult to accurately be plucked by 1/2 gear or position of reversing gear the problem of gear to neutral gear position.The utility model block selecting feel
Good, neutral accurate positioning, part universality are strong.
Further, the utility model, will with elastic cylindrical pin by increasing cylinder pin hole on horizontal gear level
Neutral position switch control block is connected firmly with horizontal gear level, easy installation and removal, Stability Analysis of Structures.
Further, elastic cylindrical pin is arranged on the direction parallel with shifting shifting block by the utility model, it is to avoid assembling
Interference.
Further, the utility model is arranged in the groove of neutral position switch control block by by circlip for shaft, right
The spring spacer for having boss plays position-limiting action, so that shifting shifting block is accurately positioned in neutral gear position.
【Brief description of the drawings】
Fig. 1 is existing block selecting return mechanism structural representation；
Fig. 2 is structural representation of the utility model in neutral gear position；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 is structural representation of the utility model when 1/2 gear is put；
Fig. 5 is B-B direction sectional view in Fig. 4.
1. neutral position switch control block；2. elastic cylindrical pin；3. the first return spring；4. circlip for shaft；5. spring every
Set；6. shifting shifting block；7. horizontal gear level；8. spacer；9. ejector pin；10. housing is manipulated.
【Specific embodiment】
The utility model is described in further details below in conjunction with the accompanying drawings.
Referring to Fig. 2 and Fig. 3, the utility model includes being arranged on the horizontal gear level 7 manipulated in housing 10；Horizontal gear level
On 7 in the axial direction successively socket neutral position switch control block 1, the first return spring 3, spring spacer 5, shifting shifting block 6 and
The first position-limit mechanism of neutral is returned to from 5/6 gear for shifting shifting block 6；First position-limit mechanism includes being socketed in horizontal gear level
Spacer 8 on 7, spacer 8 is connected by the second return spring with housing 10 is manipulated.
The two ends of the first return spring 3 are connected with neutral position switch control block 1 and spring spacer 5 respectively, spring spacer 5 with choosing
Gear shifting pulling head 6 connects；Neutral position switch control block 1, the first return spring 3 and the equal empty set of spring spacer 5 are on horizontal gear level 7.
Neutral position switch control block 1 and spring spacer 5 are the tubular structure with diameter greater than the external diameter of the first return spring 3, empty
The outer end of position switch control block 1 with the cylinder pin hole that is connected, peace in cylinder pin hole are offered on the horizontal correct position of gear level 7
Dress elastic cylindrical pin 2；Elastic cylindrical pin 2 is parallel with shifting shifting block 6, by elastic cylindrical pin 2 by the He of neutral position switch control block 1
Horizontal gear level 7 is fixedly linked.End opening in the tubular structure of neutral position switch control block 1, and spring spacer 5 and neutral position switch control
The relative one end open of clamp dog 1, the other end can be slided on horizontal gear level 7.
Be staggered several arc-shaped slots on the barrel of neutral position switch control block 1 and spring spacer 5, and neutral position switch control
The barrel of clamp dog 1 and spring spacer 5 is penetrated in relative arc-shaped slot.Neutral position switch control block 1 can be seen that by Fig. 2 and Fig. 3
Barrel on open up two the first arc-shaped slots, the barrel of neutral position switch control block 1 is separated into two by the first arc-shaped slot
One arc block；Open up two the second arc-shaped slots on the barrel of spring spacer 5, the second arc-shaped slot is by the barrel of spring spacer 5
It is divided into two the second arc blocks, wherein, the first arc block is penetrated in the second arc-shaped slot, and the second arc block penetrates the first arc and leads to
In groove, and arc block can be slided in arc-shaped slot, therefore, spring spacer 5 can be slided with respect to neutral position switch control block 1
It is dynamic.
The first arc block openend outside of neutral position switch control block 1 sets groove, and axle elasticity is provided with the groove
Back-up ring 4, circlip for shaft 4 is enclosed within the second arc block of spring spacer 5；The second arc block outside of spring spacer 5 is set
Boss, the boss is always positioned in the first arc-shaped slot of the inner side of circlip for shaft 4, forms the second position-limit mechanism.Axle bullet
Property back-up ring 4 to be arranged in the groove of neutral position switch control block 1 and play position-limiting action to the spring spacer 5 that has boss so that choosing
Gear shifting pulling head 6 is accurately positioned in neutral gear position.
Between circlip for shaft 4 and the second arc block of spring spacer 5 be gap coordinate, circlip for shaft 4 it is interior
External diameter of the footpath less than the convex platform of spring spacer 5；For interference is matched somebody with somebody between the groove of circlip for shaft 4 and neutral position switch control block 1
Close.
The utility model main course of work and principle：
As shown in Figures 2 and 3, shifting shifting block 6 is assembled successively from inside to outside, spring spacer 5, the first return spring 3 is empty
Position switch control block 1, circlip for shaft 4, elastic cylindrical pin 2.
When speed changer is in neutral gear position, the ejector pin 9 in shifting shifting block 6 is located in the groove of horizontal gear level 7
Between position.
When speed changer is selected 1/2 gear or reversed gear by neutral, because neutral position switch control block 1 is fixed by elastic cylindrical pin 2
On horizontal gear level 7, neutral position switch control block 1 is maintained static, and shifting shifting block 6 is under external force to horizontal gear level 7
Right side is moved, and spring spacer 5 follows shifting shifting block 6 side shifting and the first return spring 3 of compression to the right.
As shown in Figure 4 and Figure 5, when speed changer is put in 1/2 gear, ejector pin 9 and laterally gearshift in shifting shifting block 6
The groove right contact of bar 7.
When speed changer by 1/2 gear or reverse gear return to neutral gear position when, spring spacer 5 and shifting shifting block 6 are subject to first
The active force of return spring 3 side shifting to the left.Final spring spacer 5 is moved to itself boss and is in contact with circlip for shaft 4
Position, now the ejector pin 9 in shifting shifting block 6 be located at the centre position of the horizontal groove of gear level 7, shifting shifting block can be made
6 precise positionings are in neutral gear position.
The utility model is directed to the original gear selecting structure of speed changer and has that poor universality, neutral positioning be inaccurate and return spring
It is spacing to be arranged on manipulation enclosure interior boss situations such as causing manufacturing process and complicated assembly technology and propose, improve existing
Production transmissions block selecting performance, meets user's request, with light truck speed changer block selecting systematic function in improvement, with advantages below：
(1) this block selecting return mechanism block selecting good hand touch, neutral accurate positioning, part universality are strong, there is economic effect higher
Benefit and social benefit.
(2) gear selecting structure is slightly alterred, its manipulate housing mould highly versatile, can be greatly decreased housing mould into
This, simplifies manufacturing process and assembly technology.
Claims (6)
1. a kind of mechanical transmission block selecting return mechanism, it is characterised in that：Including manipulation housing (10) and installed in manipulation
Horizontal gear level (7) in housing (10)；On horizontal gear level (7) in the axial direction successively socket neutral position switch control block (1),
First return spring (3), spring spacer (5), shifting shifting block (6) and for shifting shifting block (6) from 5/6 gear return to neutral
The first position-limit mechanism；
The two ends of the first return spring (3) are connected with neutral position switch control block (1) and spring spacer (5) respectively, spring spacer (5)
Connect with shifting shifting block (6)；First return spring (3) and spring spacer (5) empty set are on horizontal gear level (7)；
The outer end of neutral position switch control block (1) and horizontal gear level (7) are fixedly linked, and the inner is provided with for spring spacer
(5) the second spacing position-limit mechanism.
2. a kind of mechanical transmission block selecting return mechanism according to claim 1, it is characterised in that：First position-limit mechanism
Including the spacer (8) being socketed on horizontal gear level (7), spacer (8) is connected by the second return spring with housing (10) is manipulated.
3. a kind of mechanical transmission block selecting return mechanism according to claim 1, it is characterised in that：Horizontal gear level
(7) elastic cylindrical pin (2) is installed with being offered in neutral position switch control block (1) in the cylinder pin hole that is connected, cylinder pin hole.
4. a kind of mechanical transmission block selecting return mechanism according to claim 3, it is characterised in that：Elastic cylindrical pin
(2) it is parallel with shifting shifting block (6).
5. a kind of mechanical transmission block selecting return mechanism according to claim 1, it is characterised in that：Neutral position switch is controlled
Block (1) and spring spacer (5) are the tubular structure with diameter greater than the first return spring (3) external diameter, neutral position switch control block (1)
Be staggered several arc-shaped slots on one end barrel relative with spring spacer (5), and be separated into for barrel some by arc-shaped slot
Individual arc block, and during arc block penetrates relative arc-shaped slot；The arc block end outside of neutral position switch control block (1) is set
Groove, is provided with circlip for shaft (4) in the groove, circlip for shaft (4) is enclosed within the arc block of spring spacer (5)；
The arc block end outside of spring spacer (5) is provided with the boss for coordinating with circlip for shaft (4), forms second spacing
Mechanism.
6. a kind of mechanical transmission block selecting return mechanism according to claim 5, it is characterised in that：Circlip for shaft
(4) for gap coordinates and the arc block of spring spacer (5) between, the internal diameter of circlip for shaft (4) is less than on spring spacer (5)
The external diameter of boss；It is interference fit between the groove of circlip for shaft (4) and neutral position switch control block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621204625.0U CN206280483U (en) | 2016-11-08 | 2016-11-08 | A kind of mechanical transmission block selecting return mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621204625.0U CN206280483U (en) | 2016-11-08 | 2016-11-08 | A kind of mechanical transmission block selecting return mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280483U true CN206280483U (en) | 2017-06-27 |
Family
ID=59082809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621204625.0U Expired - Fee Related CN206280483U (en) | 2016-11-08 | 2016-11-08 | A kind of mechanical transmission block selecting return mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939965A (en) * | 2017-12-04 | 2018-04-20 | 陕西法士特齿轮有限责任公司 | A kind of air path controlling mechanism of list H structure gearbox |
-
2016
- 2016-11-08 CN CN201621204625.0U patent/CN206280483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939965A (en) * | 2017-12-04 | 2018-04-20 | 陕西法士特齿轮有限责任公司 | A kind of air path controlling mechanism of list H structure gearbox |
| CN107939965B (en) * | 2017-12-04 | 2023-08-08 | 陕西法士特齿轮有限责任公司 | Gas circuit control mechanism of single H structure gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |