CN203567556U - Connecting device for automobile clutch master cylinder and pedal - Google Patents
Connecting device for automobile clutch master cylinder and pedal Download PDFInfo
- Publication number
- CN203567556U CN203567556U CN201320744429.2U CN201320744429U CN203567556U CN 203567556 U CN203567556 U CN 203567556U CN 201320744429 U CN201320744429 U CN 201320744429U CN 203567556 U CN203567556 U CN 203567556U
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- China
- Prior art keywords
- push rod
- master cylinder
- inner core
- connecting device
- cylinder push
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model provides a connecting device for a clutch master cylinder and a pedal of an automobile, which comprises a master cylinder push rod of the clutch master cylinder, a connecting sleeve and a pedal arm of the pedal; the starting end of a main cylinder push rod is positioned in the clutch main cylinder, and the tail end of the main cylinder push rod is a spherical or ellipsoidal ball head which is thickened relative to other parts; the connecting sleeve comprises an inner cylinder, one end of the inner cylinder is closed, the other end of the inner cylinder is opened, a clamping jaw group which is annularly arranged is arranged on the inner side wall of the inner cylinder, and the clamping jaw group comprises at least two clamping jaws; a ball socket is formed between the clamping jaw group and the closed end of the inner cylinder, and a ball head at the tail end of a push rod of the main cylinder is positioned in the ball socket; the diameter of an inscribed circle formed by a plurality of claws of the claw group is smaller than the maximum diameter of a ball head at the tail end of a push rod of the main cylinder; a gap is reserved between the clamping jaw and the push rod of the main cylinder; the pedal arm is directly or indirectly connected with the inner cylinder. The utility model discloses possess following beneficial effect: 1. the push rod of the main cylinder is not easy to loosen; 2. the push rod of the main cylinder has enough freedom; 3. the installation is simple, and the assembly is easy to be in place; 4. preventing the entry of foreign matters.
Description
Technical field
The utility model relates to a kind of connecting device for autoclutch master cylinder and pedal.
Background technology
The power-transfer clutch of automobile comprises clutch mass cylinder and pedal, and clutch mass cylinder has master cylinder push rod, and pedal comprises pedal sheet and pedal arm, and pedal arm is connected with master cylinder push rod, and chaufeur makes pedal arm promote master cylinder push rod by foot pedal sheet, realizes gearshift.
In prior art, clutch mass cylinder push rod is provided with the three-jaw buckle of horizontally set, clutch pedal level is provided with the metallic pin of horizontally set, the end of metallic pin is fluted, in the laterally inserted buckle of this metallic pin, the claw of buckle is snapped in the groove of metallic pin end, realize being connected of pedal arm and master cylinder push rod.
The defect of prior art is:
1, in the buckle on the laterally inserted master cylinder push rod of the metallic pin of pedal arm, have horizontal shake allowance, not tight if buckle coordinates with metallic pin, buckle easily gets loose from metallic pin; If cooperation tension, easily produces abnormal sound while not only relatively rotating between metallic pin and buckle, also can affect the degree of freedom of master cylinder push rod, when trampling clutch pedal, have clamping stagnation sense, when serious, likely cause pedal to be stepped on motionless;
2, buckle is open, easily enters foreign matter and causes abnormal sound, may cause pedal to be difficult to step on, or the metallic pin on master cylinder push rod and pedal arm gets loose when serious;
While 3, installing, be difficult to judge whether the buckle of master cylinder push rod and metallic pin are in place, as the claw of buckle does not snap in the groove of metallic pin, master cylinder push rod is very easy to get loose.
Therefore, how providing a kind of is difficult for getting loose and the connecting device of clamping stagnation becomes the problem that industry need to solve.
Summary of the invention
For the shortcoming of prior art, the purpose of this utility model is to provide a kind of connecting device for autoclutch master cylinder and pedal, and it is difficult for getting loose and clamping stagnation while using.
To achieve these goals, the utility model provides a kind of connecting device for autoclutch master cylinder and pedal, and it comprises:
The master cylinder push rod of clutch mass cylinder, the top of this master cylinder push rod is positioned at clutch mass cylinder, and the end of this master cylinder push rod is with respect to the spherical of other parts chap or ellipsoid shape bulb;
Coupling bush, it comprises inner core, this inner core one end sealing, other end opening, its madial wall is provided with the dog group that annular arranges, and dog group comprises at least two claws; Between dog group and the closed end of inner core, form a ball-and-socket, the bulb of master cylinder push rod end is positioned at ball-and-socket; The inscribed circle diameter that a plurality of claws of dog group form, is less than the maximum gauge of master cylinder push rod end bulb; Gapped between claw and master cylinder push rod;
The pedal arm of pedal, this pedal arm is directly or indirectly connected with inner core.
In the utility model, the top of pedal arm connects the pedal sheet of pedal.
In the utility model, the end bulb of master cylinder push rod, between dog group and the closed end of inner core, is preferably with the inside face of closed end and contacts.
In the utility model, claw can be the projection that is arranged at inner core inwall, and preferred scheme is, claw is bent inwards and is formed by the part of inner core sidewall, and like this, claw has certain elasticity, even if master cylinder push rod deflection angle contacts with claw greatly, master cylinder push rod still can guarantee freely to do.
In the utility model, the claw front end of inner core, to the space between inner core closed end, for holding the end bulb of master cylinder push rod, is the spatial accommodation of bulb.
In the utility model, because the shape of claw is not closed, when moulding, can adopt insert, side takes out the mode moulding that piece combines.
In the utility model, the gap between claw and master cylinder push rod is preferably, and allows the skew of master cylinder push rod 3-5 degree.
Unlike the prior art, in the utility model, the end bulb of master cylinder push rod inserts inner core, through stopping of a plurality of claws, realizes and installing.It installs simple, and is easily seated.
In the utility model, installation direction when master cylinder push rod packs inner core into, consistent with the sense of motion of master cylinder push rod after push down on the pedal.Even if push rod end bulb is not through claw, when operating pedal, as long as push down on the pedal, master cylinder push rod end bulb can enter in its spatial accommodation automatically.
In the utility model, inner core can be Plastic Parts, also can be metal piece; Be preferably Plastic Parts.
In the utility model, the inscribed circle diameter that a plurality of claws of dog group form, is less than the maximum gauge of master cylinder push rod end bulb, and like this, owing to there being stopping of claw, the end bulb of master cylinder push rod is difficult for getting loose from below.
In addition, due to after master cylinder push rod end bulb is seated, within being positioned at inner core, the surrounding of this bulb is limited by inner core, not horizontal (master cylinder push rod of take is axially for longitudinal) shake allowance, thereby the end bulb of master cylinder push rod is difficult for getting loose to surrounding.
According to another specific embodiment of the utility model, the sheet that claw bends inwards and forms for the part by inner core sidewall, the bottom of claw is connected in the sidewall of inner core.
According to another specific embodiment of the utility model, the shape of inner core closed end inside face matches with the shape of master cylinder push rod end bulb end, and for bulb sphere coordinates, or ellipsoid head coordinates with ellipsoid surface; Like this, can guarantee that master cylinder push rod has enough degree of freedom, during push down on the pedal, can not have some setbacks owing to master cylinder push rod and being connected of pedal arm causing pedal to be done.
According to another specific embodiment of the utility model, inner core is cylindric, and the number of claw is 3-6, and uniform around the axis of inner core; The number of claw is 3-6, more preferably 3-4 on this basis, and more preferably 3 on this basis.
According to another specific embodiment of the utility model, connecting device further comprises urceolus, and this urceolus is cylindric, and its one end sealing, other end opening, be placed on outside inner core.This urceolus is preferably metal sleeve, and its effect is outer protection cover, can prevent that foreign matter from entering.
According to another specific embodiment of the utility model, on inner core, be circumferentially evenly equipped with a plurality of gaps, inner core is divided into a plurality of regions, on the outside face in each region, be equipped with the projection (for example wedge-shaped projection) for contacting with the inwall of urceolus.Preferably scheme is, the number of the number in gap, the number in region, claw is consistent, and each region is provided with a claw.Like this, when inner core is packed in urceolus, only need clutch inner core, the gap of inner core can be tightened up, and inner core is put into after urceolus, and the projection on inner core can compress outer tube inner wall, and inner core is firmly fixed in urceolus.
According to another specific embodiment of the utility model, pedal arm connects urceolus, and then realizes and being connected of master cylinder push rod by inner core.
According to another specific embodiment of the utility model, the inscribed circle diameter that a plurality of claws of dog group form, is greater than the diameter of master cylinder push rod other parts except end bulb.Like this, because claw is to not directly contact of master cylinder push rod, can not limit the degree of freedom that master cylinder push rod is done.
According to another specific embodiment of the utility model, between master cylinder push rod end bulb and inner core closed end inside face, be provided with for lubricated grease.
According to another specific embodiment of the utility model, claw outside is provided with reinforced rib.
Compared with prior art, the utility model possesses following beneficial effect:
1, master cylinder push rod is not easy to get loose.
2, the mode that bulb (ellipsoid head) coordinates guarantees that master cylinder push rod has enough degree of freedom, while treading in pedal, can not have some setbacks owing to master cylinder push rod and being connected of pedal arm causing pedal to be done.
3, install simply, and be easily seated; Even if push rod end bulb is not through claw, when operating pedal, as long as push down on the pedal, master cylinder push rod end bulb can enter in its spatial accommodation automatically, coordinates with the sphere of buckle.
4, owing to there being urceolus (outer protection cover), can prevent that foreign matter from entering.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 has shown the overall schematic of the autoclutch that contains embodiment 1 connecting device;
Fig. 2 is the local structure schematic diagram of Fig. 1, and it has shown pedal, coupling bush, clutch mass cylinder;
Fig. 3 is in embodiment 1, the structural representation of master cylinder push rod;
Fig. 4 is in embodiment 1, the structural representation of inner core;
Fig. 5 is in embodiment 1, the structural representation that master cylinder push rod and inner core coordinate;
Fig. 6 is that the inner core in embodiment 1 crosses by one the schematic cross-section that axis plane intercepts;
Fig. 7 is that master cylinder push rod and the inner core in embodiment 1 crosses by one the schematic cross-section that axis plane intercepts;
Fig. 8 is in embodiment 1, the structural representation that inner core and urceolus coordinate.
The specific embodiment
As shown in Figures 1 and 2, the connecting device 2 of the present embodiment is connected for autoclutch master cylinder 302 and pedal arm 1, and wherein one end of pedal arm 1 connects pedal sheet 101.
The connecting device of the present embodiment comprises: the pedal arm 1 of the master cylinder push rod 3 of clutch mass cylinder, coupling bush 2, pedal.
The top of master cylinder push rod 3 is positioned at clutch mass cylinder 302, and as shown in Figure 3, the end of this master cylinder push rod is the spherical bulb 301 with respect to other parts chap.
As shown in Figure 5 and 7, between dog group and the closed end of inner core 201, form a ball-and-socket, the bulb 301 of master cylinder push rod 3 ends is positioned at ball-and-socket, and contacts with the inside face of closed end; Inner core 201 closed end inside faces are spherical, its with the end bulb 301 of master cylinder push rod 3 between for bulb sphere coordinates, and between the two, be provided with for lubricated grease.
The inscribed circle diameter that three claws 203 of dog group form, is less than the maximum gauge of master cylinder push rod end bulb 301, is greater than the diameter of master cylinder push rod 3 other parts except end bulb 301; Gapped between claw 203 and master cylinder push rod 3.
As shown in Figure 8, urceolus 202 is cylindric, and its one end sealing, other end opening, be placed on outside inner core 201 the closed end homonymy of its closed end and inner core 201, the open end homonymy of its open end and inner core 201.Pedal arm 1 connects urceolus 202, and then realizes and being connected of master cylinder push rod 3 by inner core 201.
The difference of the present embodiment and embodiment 1 is: 1, the ellipsoid shape of the shape of master cylinder push rod end bulb; 2, inner core closed end inside face is elliposoidal, its with the end bulb 301 of master cylinder push rod between for ellipsoid head ellipsoid surface, coordinate; 3, the number of claw is 6.
Although the utility model discloses as above with preferred embodiment, the scope of not implementing in order to limit the utility model.Any those of ordinary skill in the art, within not departing from invention scope of the present utility model, when doing a little improvement, every equal improvement of doing according to the utility model, should be scope of the present utility model and contains.
Claims (10)
1. for a connecting device for autoclutch master cylinder and pedal, it is characterized in that, described connecting device comprises:
The master cylinder push rod of described clutch mass cylinder, the top of described master cylinder push rod is positioned at clutch mass cylinder, and the end of described master cylinder push rod is with respect to the spherical of other parts chap or ellipsoid shape bulb;
Coupling bush, it comprises inner core, the sealing of described inner core one end, other end opening, its madial wall is provided with the dog group that annular arranges, and dog group comprises at least two claws; Between described dog group and the closed end of described inner core, form a ball-and-socket, the bulb of described master cylinder push rod end is positioned at described ball-and-socket; The inscribed circle diameter that a plurality of claws of described dog group form, is less than the maximum gauge of described master cylinder push rod end bulb; Gapped between described claw and described master cylinder push rod;
The pedal arm of described pedal, described pedal arm is directly or indirectly connected with inner core.
2. connecting device as claimed in claim 1, is characterized in that, the described claw sheet that the part of described inner core sidewall bends inwards and forms of serving as reasons, and the bottom of described claw is connected in the sidewall of described inner core.
3. connecting device as claimed in claim 1, is characterized in that, the shape of described inner core closed end inside face matches with the shape of the bulb end of described master cylinder push rod end.
4. connecting device as claimed in claim 1, is characterized in that, described inner core is cylindric, and the number of described claw is 3-6, and uniform around the axis of described inner core.
5. connecting device as claimed in claim 4, is characterized in that, described connecting device further comprises urceolus, and described urceolus is cylindric, and its one end sealing, other end opening, be placed on outside described inner core.
6. connecting device as claimed in claim 5, is characterized in that, is circumferentially evenly equipped with a plurality of gaps on described inner core, and described inner core is divided into a plurality of regions, is equipped with the projection for contacting with the inwall of described urceolus described in each on the outside face in region.
7. connecting device as claimed in claim 5, is characterized in that, described pedal arm connects described urceolus.
8. connecting device as claimed in claim 1, is characterized in that, the inscribed circle diameter that a plurality of claws of described dog group form is greater than the diameter of described master cylinder push rod other parts except end bulb.
9. connecting device as claimed in claim 1, is characterized in that, between described master cylinder push rod end bulb and described inner core closed end inside face, is provided with for lubricated grease.
10. connecting device as claimed in claim 1, is characterized in that, described claw outside is provided with reinforced rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744429.2U CN203567556U (en) | 2013-11-21 | 2013-11-21 | Connecting device for automobile clutch master cylinder and pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744429.2U CN203567556U (en) | 2013-11-21 | 2013-11-21 | Connecting device for automobile clutch master cylinder and pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567556U true CN203567556U (en) | 2014-04-30 |
Family
ID=50535306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744429.2U Expired - Fee Related CN203567556U (en) | 2013-11-21 | 2013-11-21 | Connecting device for automobile clutch master cylinder and pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203567556U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015518A (en) * | 2015-08-14 | 2015-11-04 | 安徽江淮汽车股份有限公司 | Self-lubricating brake pedal mechanism |
| CN107117024A (en) * | 2016-02-25 | 2017-09-01 | 通用汽车环球科技运作有限责任公司 | Operation device for operating automobile clutch |
| CN108909690A (en) * | 2018-07-19 | 2018-11-30 | 宁波拓普智能刹车系统有限公司 | A kind of pedal input structure of integrated electrical control braking force aid system |
| CN109998862A (en) * | 2019-04-29 | 2019-07-12 | 中南大学湘雅医院 | A kind of exerciser postoperative for shoulder joint |
-
2013
- 2013-11-21 CN CN201320744429.2U patent/CN203567556U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015518A (en) * | 2015-08-14 | 2015-11-04 | 安徽江淮汽车股份有限公司 | Self-lubricating brake pedal mechanism |
| CN105015518B (en) * | 2015-08-14 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of self-lubricating type brake treadle mechanism |
| CN107117024A (en) * | 2016-02-25 | 2017-09-01 | 通用汽车环球科技运作有限责任公司 | Operation device for operating automobile clutch |
| CN108909690A (en) * | 2018-07-19 | 2018-11-30 | 宁波拓普智能刹车系统有限公司 | A kind of pedal input structure of integrated electrical control braking force aid system |
| CN109998862A (en) * | 2019-04-29 | 2019-07-12 | 中南大学湘雅医院 | A kind of exerciser postoperative for shoulder joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20201121 |