CN202197574U - Clutch type gearbox - Google Patents
Clutch type gearbox Download PDFInfo
- Publication number
- CN202197574U CN202197574U CN2011202161300U CN201120216130U CN202197574U CN 202197574 U CN202197574 U CN 202197574U CN 2011202161300 U CN2011202161300 U CN 2011202161300U CN 201120216130 U CN201120216130 U CN 201120216130U CN 202197574 U CN202197574 U CN 202197574U
- Authority
- CN
- China
- Prior art keywords
- clutch
- gear
- box
- tooth
- disengaging type
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a clutch-type gearbox which comprises a gearbox casing, a belt pulley, a worm, a driven gear, a stirring rocker arm and a transmission shaft, and further comprises clutch fixed teeth, clutch sliding teeth, a positioning spring leaf and oil seal fixing sleeves; the belt pulley is connected with the belt of a mower; the belt pulley is fixedly connected to one end, which extends out of the gearbox casing, of the worm through an elastic cylindrical pin; the worm drives the driven gear, and the clutch fixed teeth are nested on the driven gear; and the positioning spring leaf is positioned between the clutch fixed teeth and the clutch sliding teeth and used for controlling the distance between the clutch fixed teeth and the clutch sliding teeth. The clutch-type gearbox adopts the structure that the teeth are contacted in a large-area manner for clutch, is safer and more reliable as compared with the structure on the current market that the conical surface of the gearbox is crushed, and the transmission shaft is driven through friction, avoids the phenomenon that friction and slipping are caused by friction drive by directly adopting the novel structure of tooth meshing, is formed through injection in the aspect of processing, is lower in cost as compared with previous machining and forming, is easier to control in product consistency, and greatly improves the product quality.
Description
Technical field
This practicality relates to a kind of disengaging type gear-box, and the disengaging type gear-box of using on especially a kind of self-propelled mower, this gear-box are controlled advancing of mower and stopped when mowing.
Background technology
Gear-box is used as the control self-propelled mower and advances and stop; The clutch of mower in the market mostly adopts the conical surface friction clutch gearbox; When gear-box was worked, the conical surface of gear-box killed, and drove power transmission shaft with friction and rotated; Can cause a large amount of attrition of transmission mechanism, reduce the service life and the security reliability of gear-box.Simultaneously, mower drag-line in the process of using is in a state of tightening for a long time, and that uses of a specified duration can to become is loose, adopts friction just to drive through the phenomenon of regular meeting's generation friction slip drag-line becomes loose after, is unfavorable for effective transmission of power.
The utility model has carried out useful improvement in order to overcome above-mentioned defective.
The utility model content
The purpose of the utility model is to solve above-mentioned deficiency of the prior art, and a kind of disengaging type gear-box that is used on the self-propelled mower is provided, and this gear-box can effectively reduce the between cog wearing and tearing, increases security reliability.
To achieve these goals; The described disengaging type gear-box of the utility model comprises gear box casing, belt pulley, worm screw, driven gear, stirs rocking arm, power transmission shaft; In addition, this disengaging type gear-box comprises that also clutch decides the sliding tooth of tooth, clutch and retainer spring sheet, oil sealing fixed cover; Belt pulley is connected with the belt of mower, and simultaneously, belt pulley is fixedly connected worm screw through elastic cylindrical pin and stretches out on the end of gear box casing; Worm screw drives driven gear, is with clutch on the driven gear and decides tooth.In the course of work of mower, belt, belt pulley, worm screw, driven gear and clutch are decided tooth and are in rotation status always;
Further, described gear box casing comprises gear-box upper casing and gear-box drain pan;
Further; Driven gear is socketed on the power transmission shaft; Socket thrusting plate, plane bearing, thrusting plate, oil sealing fixed cover and outside framework oil seal successively on the power transmission shaft in driven gear left side; Be socketed with clutch on the power transmission shaft on driven gear right side successively and decide tooth, thrusting plate, retainer spring sheet, the sliding tooth of clutch, spring stay, oil sealing fixed cover and outside framework oil seal, wherein, two above-mentioned oil sealing fixed covers are fixed on the gear housing; Be used for supporting shaft, used thrusting plate and plane bearing are more flexible for the product power transmission shaft is turned over;
Further, described clutch is decided the tooth fixed engagement and is connected on the driven gear, and rotates with driven gear;
Further, described spring stay is nested in the sliding tooth of clutch, and is provided with slideway at sliding tooth of clutch and the inner both sides of spring stay, simultaneously, on the sliding tooth of clutch, a groove is arranged;
Further, be provided with rail plate at the position near the sliding tooth of clutch of power transmission shaft, the sliding tooth of described clutch can slide along rail plate through the sliding tooth slideway of clutch;
Further, what described rail plate was relative is provided with two, is plugged on the power transmission shaft, and described rail plate is " [" type;
Further, described clutch gearbox also is provided with one and stirs iron plate, and this end of stirring iron plate is " U " type, and an end that is " U " is embedded in the groove of the sliding tooth of clutch, the other end extend the gear-box drain pan and through the O RunddichtringO with stir rocking arm and be connected.
Further; The retainer spring sheet is decided between the sliding tooth of tooth and clutch in clutch, is used for controlling the sliding distance that tooth is decided in the sliding tooth of clutch and clutch, and clutch cunning tooth is under the effect of stirring the iron plate axial compressive force; The spring stay is drawn to the retainer spring sheet fast; The spring stay is nested in the sliding tooth of clutch, decide tooth and runs into little by little and crown is worn and torn fast to prevent sliding tooth of clutch and clutch, stirs the iron plate axial compressive force and is drag-line and spur and stir rocking arm and produce;
Further, be socketed with bearing and little outside framework oil seal successively on the worm screw in the said belt pulley outside, the other end of worm screw is socketed with bearing;
Further, this gear-box also comprises a spring, and this spring is connected with the described rocking arm of stirring, and the other end is connected on the gear box casing, is used for stirring resetting of rocking arm after drag-line loosens;
Further, said oil sealing fixed cover, outside framework oil seal, little outside framework oil seal and O RunddichtringO prevent what the part sealing leakage of oil of gear-box upper casing gear-box drain pan and other motions from using;
Further, described disengaging type gear-box adopts direct injection mo(u)lding.
The beneficial effect of the utility model: this disengaging type gear-box adopts tooth to contact the structure of clutch with the tooth large tracts of land; Dependence vertebra face than adopting in the market kills; Drive the structure safety and reliability that power transmission shaft rotates with friction; Directly adopt the new construction of tooth interlock to avoid adopting friction to drive the phenomenon that produces friction slip through regular meeting; Simultaneously this structure adopts direct injection mo(u)lding aspect processing, than former machined moulding cost come lower, homogeneity of product control the quality of the product of raising greatly more easily.
Description of drawings
The structure explosive view of an embodiment of the utility model.
Reference numeral: 1. outside framework oil seal; 2. oil sealing fixed cover; 3. thrusting plate; 4. plane bearing; 5. driven gear; 6. tooth is decided in clutch; 7. retainer spring sheet; 8. tooth is slided in clutch; 9. spring stay; 10. power transmission shaft; 11. plus screw; 12. gear-box upper casing; 13. rail plate; 14. bearing; 15. worm screw; 16. stir iron plate; 17. little outside framework oil seal; 18. gear-box drain pan; 19. spring; 20.O RunddichtringO; 21. stir rocking arm; 22. belt pulley; 23. elastic cylindrical pin.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
The embodiment of the utility model provides the disengaging type of using on a kind of self-propelled mower gear-box with reference to shown in Figure 1, is used to control mower and when mowing, advances and stop.This gear-box comprises gear box casing, belt pulley 22, worm screw 15, driven gear 5, stirs rocking arm 21, power transmission shaft 10, and described gear box casing comprises gear-box upper casing 12 and gear-box drain pan 18; This disengaging type gear-box comprises that also tooth 6 is decided in clutch, tooth 8, retainer spring sheet 7 and oil sealing fixed cover 2 are slided in clutch; Belt pulley 22 is connected with the belt of mower, and simultaneously, belt pulley 22 is fixedly connected worm screw through elastic cylindrical pin 23 and stretches out on the end of gear-box drain pan 18; Worm screw 15 drives driven gear 5, is with clutch on the driven gear 5 and decides tooth 6.In the course of work of mower, belt, belt pulley 22, worm screw 15, driven gear 5 and clutch are decided tooth 6 and are in rotation status always; Gear-box upper casing 12 is connected through plus screw 11 with gear-box drain pan 18.
Driven gear 5 is socketed on the power transmission shaft 10; Socket thrusting plate 3, plane bearing 4, thrusting plate 3, oil sealing fixed cover 2 and diameter are 12.7 millimeters outside framework oil seal 1 successively on the power transmission shaft 10 in driven gear 5 left sides; Being socketed with clutch on the power transmission shaft on driven gear 5 right sides successively, to decide the sliding tooth 8 of tooth 6, thrusting plate 3, retainer spring sheet 7, clutch, spring stay 9, oil sealing fixed cover 2 and diameter be 12.7 millimeters outside framework oil seal 1; Wherein, Two above-mentioned oil sealing fixed covers 2 are fixed on the gear housing, are used for supporting shaft 10, and used thrusting plate 3 is more flexible for the product power transmission shaft is turned over plane bearing 4; Described clutch is decided tooth 6 fixed engagement and is connected on the driven gear 5, and rotates with driven gear 5.
Described spring stay 9 is nested in the sliding tooth 8 of clutch, and is provided with slideway at the sliding tooth 8 of clutch with spring stay 9 inner both sides, simultaneously, on the sliding tooth 8 of clutch, a groove is arranged; The position near the sliding tooth 8 of clutch at power transmission shaft 10 is provided with rail plate 13, and the sliding tooth 8 of described clutch can slide along rail plate 13 through sliding tooth 8 slideways of clutch; What described rail plate 13 was relative is provided with two, is plugged on the power transmission shaft 10, and described rail plate is " [" type; This clutch gearbox also is provided with one and stirs iron plate 16, and this end of stirring iron plate 16 is " U " type, and an end that is " U " is embedded in the groove of the sliding tooth 8 of clutch, the other end extend the gear-box drain pan and through O RunddichtringO 20 with stir rocking arm 21 and be connected.
Retainer spring sheet 7 is decided between tooth 6 and the sliding tooth 8 of clutch in clutch; Be used for controlling the sliding tooth 8 of clutch and clutch and decide the sliding distance of tooth 6; The sliding tooth 8 of clutch is under the effect of stirring iron plate 16 axial compressive forces; Spring stay 9 is drawn to retainer spring sheet 7 fast; Spring stay 9 is nested in 8 li in the sliding tooth of clutch, decide tooth 6 and runs into little by little and crown is worn and torn fast to prevent sliding tooth 8 of clutch and clutch, stirs iron plate 16 axial compressive forces and is drag-line and spur and stir rocking arm 21 and produce; Be socketed with bearing 14 and diameter on the worm screw 15 in said belt pulley 22 outsides successively and be 12 millimeters little outside framework oil seal 17, the other end of worm screw 15 is socketed with bearing 14; This gear-box also comprises a spring 19, and this spring 19 is connected with the described rocking arm 21 of stirring, and the other end is connected on the gear box casing, is used for stirring resetting of rocking arm 21 after drag-line loosens; Said oil sealing fixed cover, outside framework oil seal and O RunddichtringO prevent what the part sealing leakage of oil of gear-box upper casing gear-box drain pan and other motions from using;
The above embodiment has only been expressed a kind of embodiment of the utility model, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.
Claims (10)
1. a disengaging type gear-box comprises gear box casing, belt pulley, worm screw, driven gear, stirs rocking arm, power transmission shaft, it is characterized in that: this disengaging type gear-box comprises that also clutch decides the sliding tooth of tooth, clutch and retainer spring sheet, oil sealing fixed cover; Belt pulley is connected with the belt of mower; Belt pulley is fixedly connected worm screw through elastic cylindrical pin and stretches out on the end of gear box casing; Worm screw drives driven gear, is with clutch on the driven gear and decides tooth, and driven gear is socketed on the power transmission shaft; Socket thrusting plate, plane bearing, thrusting plate, oil sealing fixed cover and outside framework oil seal successively on the power transmission shaft in driven gear left side; Be socketed with clutch on the power transmission shaft on driven gear right side successively and decide tooth, thrusting plate, retainer spring sheet, the sliding tooth of clutch, spring stay, oil sealing fixed cover and outside framework oil seal, wherein, two above-mentioned oil sealing fixed covers are fixed on the gear housing.
2. a kind of disengaging type gear-box according to claim 1 is characterized in that: described gear box casing comprises gear-box upper casing and gear-box drain pan.
3. a kind of disengaging type gear-box according to claim 1 is characterized in that: described clutch is decided the tooth fixed engagement and is connected on the driven gear.
4. a kind of disengaging type gear-box according to claim 1 is characterized in that: described spring stay is nested in the sliding tooth of clutch, and is provided with slideway at sliding tooth of clutch and the inner both sides of spring stay, simultaneously, on the sliding tooth of clutch, a groove is arranged.
5. a kind of disengaging type gear-box according to claim 4 is characterized in that: the position near the sliding tooth of clutch at power transmission shaft is provided with rail plate, and the sliding tooth of described clutch can slide along sliding rail through the sliding tooth slideway of clutch.
6. a kind of disengaging type gear-box according to claim 5 is characterized in that: what described sliding rail was relative is provided with two, is plugged on the power transmission shaft, and described sliding rail is " [" type.
7. a kind of disengaging type gear-box according to claim 4; It is characterized in that: described clutch gearbox also is provided with one and stirs iron plate; This end of stirring iron plate is " U " type; An end that is " U " is embedded in the groove of the sliding tooth of clutch, the other end extend the gear-box drain pan and through the O RunddichtringO with stir rocking arm and be connected.
8. a kind of disengaging type gear-box according to claim 1 is characterized in that: be socketed with bearing and little outside framework oil seal successively on the worm screw in the said belt pulley outside, the other end of worm screw is socketed with bearing.
9. a kind of disengaging type gear-box according to claim 1, it is characterized in that: this gear-box also comprises a spring, and this spring is connected with the described rocking arm of stirring, and the other end is connected on the gear box casing.
10. a kind of disengaging type gear-box according to claim 1 is characterized in that: described disengaging type gear-box adopts direct injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202161300U CN202197574U (en) | 2011-06-23 | 2011-06-23 | Clutch type gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202161300U CN202197574U (en) | 2011-06-23 | 2011-06-23 | Clutch type gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197574U true CN202197574U (en) | 2012-04-25 |
Family
ID=45961726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202161300U Expired - Fee Related CN202197574U (en) | 2011-06-23 | 2011-06-23 | Clutch type gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202197574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964014A (en) * | 2015-07-01 | 2015-10-07 | 深圳市万至达电机制造有限公司 | Clutch gear structure of steering engine reduction gearbox |
| CN105359729A (en) * | 2015-11-28 | 2016-03-02 | 宁波市德霖机械有限公司 | Belt disengagement prevention mechanism |
-
2011
- 2011-06-23 CN CN2011202161300U patent/CN202197574U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964014A (en) * | 2015-07-01 | 2015-10-07 | 深圳市万至达电机制造有限公司 | Clutch gear structure of steering engine reduction gearbox |
| CN105359729A (en) * | 2015-11-28 | 2016-03-02 | 宁波市德霖机械有限公司 | Belt disengagement prevention mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20130623 |