CN203655963U - Stroke detection mechanism of push rod of clutch booster - Google Patents
Stroke detection mechanism of push rod of clutch booster Download PDFInfo
- Publication number
- CN203655963U CN203655963U CN201320772498.4U CN201320772498U CN203655963U CN 203655963 U CN203655963 U CN 203655963U CN 201320772498 U CN201320772498 U CN 201320772498U CN 203655963 U CN203655963 U CN 203655963U
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- push rod
- piston
- detection mechanism
- booster pump
- stroke detection
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Abstract
The utility model relates to a stroke detection mechanism of a push rod of a clutch booster. The stroke detection mechanism solves the problem that the stroke of an existing push rod of the clutch booster cannot be easily measured. The stroke detection mechanism comprises a booster pump body, wherein a piston rod is installed in the booster pump body, a piston is arranged at the end of the piston rod, the piston is connected with the push rod, the push rod penetrates through the rear end of the booster pump body, the booster pump body is provided with a guide seat with an induction coil, a sliding rod is arranged in the guide seat in a penetrating mode, one end of the sliding rod is fixedly connected with the piston, the other end of the sliding rod penetrates through the front end of the booster pump body, the induction coil is connected with a current displacement converter, the current displacement converter is connected with a display module in a wireless communication mode, and the current displacement converter and the display module are both connected with a power supply module. The stroke detection mechanism of the push rod of the clutch booster has the advantages that the structure is simple and reasonable, use is convenient, the automation degree is high, detection accuracy is high, a detection result can be observed visually, cost is low, and the wear condition of a friction plate can be known in time.
Description
Technical field
The utility model belongs to clutch apparatus technical field, especially relates to a kind of clutch booster push rod stroke detection mechanism.
Background technique
Clutch booster, claim again clutch power-assisted wheel cylinder, what it was main do, and power and displacement that the used time passes over when clutch pedal move enter the hydraulic oil discharge in clutch master cylinder in clutch booster, thereby hydraulic oil with under compressed-air actuated effect, drive push rod to move friction plate is separated, make clutch compressing disc and sheet depart from flywheel, in the time that clutch pedal unclamps, hydraulic oil is discharged clutch booster, in the effect lower push-rod playback of Returnning spring.The stroke size that push rod in the process using in clutch booster moves has a great impact the wearing and tearing of friction plate, the abrasion condition that can obtain friction plate by the detection of push rod stroke is so that on-call maintenance and more renewal of facing renewal, therefore, design a kind of clutch booster that can accurately detect push rod stroke size, become problem demanding prompt solution.
The problem existing in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of clutch booster [application number: 201310238393.5], comprises that rear end and front end have respectively the pneumatic cylinder of suction port and relief opening, have liquid entering hole and the oil hydraulic cylinder that is connected with pneumatic cylinder rear end, be positioned at pneumatic cylinder and two ends and be connected with respectively the intake and exhaust control valve that push rod and rear end are stretched into the piston of the piston rod of oil hydraulic cylinder, are arranged at oil hydraulic cylinder sidewall; Between piston one end and pneumatic cylinder, there is Returnning spring; Described clutch booster also comprises friction disc wear measuring device.
Such scheme has solved the immeasurable problem of existing clutch booster push rod stroke to a certain extent, but this scheme still exists: complex structure, and automaticity is low, and testing precision is low, and testing result is difficult for observation, high in cost of production problem.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple in structure, and testing precision is high, and testing result is the clutch booster push rod stroke detection mechanism of observation easily.
For achieving the above object, the utility model has adopted following technical proposal: this clutch booster push rod stroke detection mechanism, comprise the booster pump housing, the piston rod that can move under oil pressure and gas pressure and can reset under action of reset spring is installed in the described booster pump housing, described piston rod end is provided with piston, described piston is connected with one end of push rod by universal structure and the other end of push rod passes booster pump housing rear end, it is characterized in that, the described booster pump housing is provided with the guide holder with inductor coil, thereby in guide holder, being equipped with to have magnetic and can under piston driving, in guide holder, reciprocatingly slide makes inductor coil produce faradic slide bar, described slide bar one end and piston are fixedly linked, the other end passes booster pump housing front end, described inductor coil is connected with the current displacement transducer that induction current can be converted to displacement amount, described current displacement transducer is connected with display modular by wireless communication mode, described current displacement transducer and display modular are all connected with supply module.When in this structure, push rod moves, slide bar and push rod synchronizing moving, generation current when slide bar moves in inductor coil, current displacement transducer becomes displacement amount by current conversion and shows by display modular, makes to observe intuitively testing result.
In above-mentioned clutch booster push rod stroke detection mechanism, described slide bar and piston rod are parallel to each other.The precision that makes to detect data is higher.
In above-mentioned clutch booster push rod stroke detection mechanism, described guide holder is tubular and is fixedly linked with the front end of the booster pump housing, between guide holder and slide bar, is provided with guidance set.
In above-mentioned clutch booster push rod stroke detection mechanism, described guidance set comprises the guide pad that is arranged in guide holder and matches with guide holder, and the center of described guide pad is provided with pilot hole, and described slide bar is located in pilot hole.While preventing that slide bar from moving at guide holder bias internal.
In above-mentioned clutch booster push rod stroke detection mechanism, described supply module is button battery.
Compared with prior art, the advantage of this clutch booster push rod stroke detection mechanism is: simple and reasonable, easy to use, automaticity is high, and testing precision is high, can observe intuitively testing result, and cost is low, can understand in time the abrasion condition of friction plate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structured flowchart of the present utility model.
In figure, the booster pump housing 1, piston rod 2, piston 3, push rod 4, guide holder 5, inductor coil 51, guide pad 52, slide bar 6, current displacement transducer 7, display modular 8, supply module 9.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1-2, this clutch booster push rod stroke detection mechanism, comprise the booster pump housing 1, the piston rod 2 that can move under oil pressure and gas pressure and can reset under action of reset spring is installed in the booster pump housing 1, piston rod 2 ends are provided with piston 3, piston 3 is connected with one end of push rod 4 by universal structure and the other end of push rod 4 passes the booster pump housing 1 rear end, the booster pump housing 1 is provided with the guide holder 5 with inductor coil 51, there is magnetic and can under piston 3 drive, in guide holder 5, reciprocatingly slide and make inductor coil 51 produce faradic slide bar 6 thereby be equipped with in guide holder 5, slide bar 6 one end and piston 3 are fixedly linked, the other end passes the booster pump housing 1 front end, inductor coil 51 is connected with the current displacement transducer 7 that induction current can be converted to displacement amount, current displacement transducer 7 is connected with display modular 8 by wireless communication mode, , current displacement transducer 7 is all connected with supply module 9 with display modular 8, in the time that push rod 4 moves, slide bar 6 and push rod 4 synchronizing movings, slide bar 6 is at the interior generation current when mobile of inductor coil 51, current displacement transducer 7 becomes displacement amount by current conversion and shows by display modular 8, make to observe intuitively testing result.
Particularly, slide bar in the present embodiment 6 is parallel to each other with piston rod 2, and the precision that makes to detect data is higher.Guide holder 5 is tubular and is fixedly linked with the front end of the booster pump housing 1, between guide holder 5 and slide bar 6, is provided with guidance set.Guidance set comprises the guide pad 52 that is arranged in guide holder 5 and matches with guide holder 5, and guide pad 52 center is provided with pilot hole, and slide bar 6 is located in pilot hole, while preventing like this that slide bar 6 from moving at guide holder 5 bias internals.The supply module 9 is here button battery.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as the booster pump housing 1, piston rod 2, piston 3, push rod 4, guide holder 5, inductor coil 51, guide pad 52, slide bar 6, current displacement transducer 7, display modular 8, supply module 9 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. a clutch booster push rod stroke detection mechanism, comprise the booster pump housing (1), the piston rod (2) that can move under oil pressure and gas pressure and can reset under action of reset spring is installed in the described booster pump housing (1), described piston rod (2) end is provided with piston (3), described piston (3) is connected with one end of push rod (4) by universal structure and the other end of push rod (4) passes the booster pump housing (1) rear end, it is characterized in that, the described booster pump housing (1) is provided with the have inductor coil guide holder (5) of (51), in guide holder (5), be equipped with have magnetic and can be under piston (3) drives at guide holder (5) thus in reciprocatingly slide and make inductor coil (51) produce faradic slide bar (6), described slide bar (6) one end and piston (3) are fixedly linked, the other end passes the booster pump housing (1) front end, described inductor coil (51) is connected with the current displacement transducer (7) that induction current can be converted to displacement amount, described current displacement transducer (7) is connected with display modular (8) by wireless communication mode, described current displacement transducer (7) is all connected with supply module (9) with display modular (8).
2. clutch booster push rod stroke detection mechanism according to claim 1, is characterized in that, described slide bar (6) is parallel to each other with piston rod (2).
3. clutch booster push rod stroke detection mechanism according to claim 1 and 2, it is characterized in that, described guide holder (5) is tubular and is fixedly linked with the front end of the booster pump housing (1), between guide holder (5) and slide bar (6), is provided with guidance set.
4. clutch booster push rod stroke detection mechanism according to claim 3, it is characterized in that, described guidance set comprises the guide pad (52) that is arranged in guide holder (5) and matches with guide holder (5), the center of described guide pad (52) is provided with pilot hole, and described slide bar (6) is located in pilot hole.
5. clutch booster push rod stroke detection mechanism according to claim 1, is characterized in that, described supply module (9) is button battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772498.4U CN203655963U (en) | 2013-11-28 | 2013-11-28 | Stroke detection mechanism of push rod of clutch booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772498.4U CN203655963U (en) | 2013-11-28 | 2013-11-28 | Stroke detection mechanism of push rod of clutch booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655963U true CN203655963U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320772498.4U Expired - Fee Related CN203655963U (en) | 2013-11-28 | 2013-11-28 | Stroke detection mechanism of push rod of clutch booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896249A (en) * | 2020-08-06 | 2020-11-06 | 中国重汽集团济南动力有限公司 | Method and system for predicting service life of clutch with displacement sensor booster |
-
2013
- 2013-11-28 CN CN201320772498.4U patent/CN203655963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896249A (en) * | 2020-08-06 | 2020-11-06 | 中国重汽集团济南动力有限公司 | Method and system for predicting service life of clutch with displacement sensor booster |
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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 |
Granted publication date: 20140618 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |