CN203892531U - Anti-oil leakage device for electric tool speed change gearbox - Google Patents
Anti-oil leakage device for electric tool speed change gearbox Download PDFInfo
- Publication number
- CN203892531U CN203892531U CN201420146225.3U CN201420146225U CN203892531U CN 203892531 U CN203892531 U CN 203892531U CN 201420146225 U CN201420146225 U CN 201420146225U CN 203892531 U CN203892531 U CN 203892531U
- Authority
- CN
- China
- Prior art keywords
- speed change
- gear
- back cover
- oil
- box back
- 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 the technical field of electric tools, in particular to an anti-oil leakage device for an electric tool speed change gearbox. The anti-oil leakage device for the electric tool speed change gearbox comprises a gearbox front shell, a gearbox rear shell, a speed change gear ring, a speed change rod and a rear cover; two waist-shaped holes for the speed change rod to penetrate and pass are formed in the gearbox rear shell; two ends of the speed change rod respectively penetrate through the two waist-shaped holes to be connected onto the speed change gear ring; two oil covers for covering the two waist-shaped holes are arranged on an upper cover of the gearbox rear shell; two ends of the speed change rod respectively penetrate through the two oil covers. The oil covers can cover the waist-shaped holes, so lubricating oil of a gearbox is prevented from leaking to outside; meanwhile, an integral injection structure is formed between the two oil covers and the rear cover, the rear cover is fixedly connected onto the rear end of the gearbox rear shell by the two oil covers, the rear cover does not need to be screwed by a screw, the rear cover and the oil covers do not need to be respectively mounted, the assembly and disassembly are convenient, the limitation of match with a motor is small and the suitable range is wide.
Description
Technical field
The utility model relates to electric tool technical field, relates in particular to a kind of change gear case of electric tool Fang Lou You Installed and puts.
Background technique
Existing change gear case of electric tool, it comprises gear-box fore shell, gear-box back cover and high low speed gear switching device, on gear-box back cover, be provided with two waist shaped holes, speed change lever in high low speed gear switching device pierces into waist shaped hole and is connected with the speed change gear ring in high low speed gear switching device, speed change lever can be stirred being arranged on the fulcrum piece of gear-box back cover, realizes the high low speed handover operation of change gear case of electric tool by stirring speed change lever.But in the process of change gear case of electric tool running, its inner lubricant oil can ooze out from waist shaped hole, lower working life after causing machine to lack lubricant oil, and can affect outward appearance and befouling environment; Simultaneously the bonnet of existing speed-change gear box is to be all fixed on gear-box back cover rear end by screw locking, installs inconveniently, and mate restriction ratio with motor larger, and Applicable scope is little.
Model utility content
The purpose of this utility model is exactly for the deficiency of prior art existence, to provide a kind of can prevent that gear box lubricating oil from draining to outside, can make the simple load and unload change gear case of electric tool Fang of bonnet Lou You Installed put simultaneously.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of change gear case of electric tool Fang Lou You Installed puts, it includes gear-box fore shell, be arranged on the gear-box back cover of gear-box fore shell rear end, be arranged on the speed change gear ring in gear-box back cover, for stirring the speed change lever that speed change gear ring moves, lid is located at the bonnet of gear-box back cover rear end, on gear-box back cover, be provided with two for passing and mobile waist shaped hole for speed change lever, the two ends of speed change lever are connected on speed change gear ring through two waist shaped holes respectively, on gear-box back cover, be covered with two oil caps that respectively two waist shaped holes masked, the two ends of speed change lever are pierced into respectively in two oil caps, between two oil caps and bonnet, be integrated injecting forming structure, bonnet is fixedly connected on gear-box back cover rear end by two oil caps.
Described oil cap is fixed on gear-box back cover.
One side of described oil cap offers notch, and the end of speed change lever is pierced in oil cap by notch.
The opposite side of described oil cap forms card convex, and position corresponding with card convex on gear-box back cover offers draw-in groove, and card convex is fastened in corresponding draw-in groove.
The front end of described oil cap forms cutting graftage part, and cutting graftage part is plugged on gear-box fore shell rear end.
The utility model beneficial effect is: the utility model includes gear-box fore shell, be arranged on the gear-box back cover of gear-box fore shell rear end, be arranged on the speed change gear ring in gear-box back cover, for stirring the speed change lever that speed change gear ring moves, lid is located at the bonnet of gear-box back cover rear end, on gear-box back cover, be provided with two for passing and mobile waist shaped hole for speed change lever, the two ends of speed change lever are connected on speed change gear ring through two waist shaped holes respectively, on gear-box back cover, be covered with two oil caps that respectively two waist shaped holes masked, the two ends of speed change lever are pierced into respectively in two oil caps, the utility model oil cap can mask waist shaped hole, can prevent that gear box lubricating oil from draining to outside by waist shaped hole, between while two oil caps and bonnet, be integrated injecting forming structure, bonnet is fixedly connected on gear-box back cover rear end by two oil caps, simple in structure, bonnet does not need with screw locking, do not need to install respectively bonnet and oil cap yet, mounting or dismounting are convenient, and mate restriction with motor little, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposing schematic representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, see shown in Fig. 1 ~ 2, a kind of change gear case of electric tool Fang Lou You Installed puts, it includes gear-box fore shell 1, be arranged on the gear-box back cover 2 of gear-box fore shell 1 rear end, be arranged on the speed change gear ring 3 in gear-box back cover 2, for stirring the speed change lever 4 that speed change gear ring 3 moves, lid is located at the bonnet 6 of gear-box back cover 2 rear ends, on gear-box back cover 2, be provided with two for passing and mobile waist shaped hole 21 for speed change lever 4, the two ends of speed change lever 4 are connected on speed change gear ring 3 through two waist shaped holes 21 respectively, on gear-box back cover 2, be covered with two oil caps that respectively two waist shaped holes 21 masked 5, the two ends of speed change lever 4 are pierced into respectively in two oil caps 5, the utility model oil cap 5 can mask waist shaped hole 21, can prevent that gear box lubricating oil from draining to outside by waist shaped hole 21, and can prevent speed change lever 4 from outwards opening the groove of disengaging speed change gear ring 3 and cause gear-box disabler, simultaneously, between two oil caps 5 and bonnet 6, be integrated injecting forming structure, bonnet 6 is fixedly connected on gear-box back cover 2 rear ends by two oil caps 5, bonnet 6 does not need with screw locking, do not need to install respectively bonnet 6 and oil cap 5 yet, mounting or dismounting are convenient, and mate with motor limit little, applied widely.
Oil cap 5 is fixed on gear-box back cover 2, installs and removes more convenient.One side of oil cap 5 offers notch 51, and the end of speed change lever 4 is pierced in oil cap 5 by notch 51, can prevent better that speed change lever 4 from outwards opening.The opposite side of oil cap 5 forms card convex 52, and position corresponding with card convex 52 on gear-box back cover 2 offers draw-in groove 22, and card convex 52 is fastened in corresponding draw-in groove 22, installs and removes more conveniently, and between oil cap 5 and gear-box back cover 2, is connected more firm.The front end of oil cap 5 forms cutting graftage part 53, and cutting graftage part 53 is plugged on gear-box fore shell 1 rear end, and oil cap 5 connects more firm, prevents that oil cap 5 from coming off.
Certainly, the above is only preferred embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. the oily Installed of the anti-leakage of change gear case of electric tool puts, include gear-box fore shell (1), be arranged on the gear-box back cover (2) of gear-box fore shell (1) rear end, be arranged on the speed change gear ring (3) in gear-box back cover (2), be used for stirring the mobile speed change lever (4) of speed change gear ring (3), lid is located at the bonnet (6) of gear-box back cover (2) rear end, on gear-box back cover (2), be provided with two for passing and mobile waist shaped hole (21) for speed change lever (4), the two ends of speed change lever (4) are connected on speed change gear ring (3) through two waist shaped holes (21) respectively, it is characterized in that: on described gear-box back cover (2), be covered with two oil caps (5) that respectively two waist shaped holes (21) masked, the two ends of speed change lever (4) are pierced into respectively in two oil caps (5), between two oil caps (5) and bonnet (6), be integrated injecting forming structure, bonnet (6) is fixedly connected on gear-box back cover (2) rear end by two oil caps (5).
2. a kind of change gear case of electric tool Fang Lou You Installed according to claim 1 puts, and it is characterized in that: described oil cap (5) is fixed on gear-box back cover (2).
3. a kind of change gear case of electric tool Fang Lou You Installed according to claim 2 puts, and it is characterized in that: a side of described oil cap (5) offers notch (51), and the end of speed change lever (4) is pierced in oil cap (5) by notch (51).
4. a kind of change gear case of electric tool Fang Lou You Installed according to claim 3 puts, it is characterized in that: the opposite side of described oil cap (5) forms card convex (52), the upper position corresponding with card convex (52) of gear-box back cover (2) offers draw-in groove (22), and card convex (52) is fastened in corresponding draw-in groove (22).
5. according to a kind of change gear case of electric tool Fang Lou You Installed described in claim 1 ~ 4 any one, put, it is characterized in that: the front end of described oil cap (5) forms cutting graftage part (53), cutting graftage part (53) are plugged on gear-box fore shell (1) rear end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146225.3U CN203892531U (en) | 2014-03-28 | 2014-03-28 | Anti-oil leakage device for electric tool speed change gearbox |
| TW103213338U TWM502764U (en) | 2014-03-28 | 2014-07-28 | Anti-leakage device for electric power tool transmission gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146225.3U CN203892531U (en) | 2014-03-28 | 2014-03-28 | Anti-oil leakage device for electric tool speed change gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892531U true CN203892531U (en) | 2014-10-22 |
Family
ID=51718939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420146225.3U Expired - Fee Related CN203892531U (en) | 2014-03-28 | 2014-03-28 | Anti-oil leakage device for electric tool speed change gearbox |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203892531U (en) |
| TW (1) | TWM502764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065655A (en) * | 2015-07-16 | 2015-11-18 | 柳州首光科技有限公司 | Limiting locking structure of accelerator rod of engineering machinery |
| US11661893B2 (en) | 2020-11-09 | 2023-05-30 | Ge Avio S.R.L. | Systems and methods of servicing turbomachines |
-
2014
- 2014-03-28 CN CN201420146225.3U patent/CN203892531U/en not_active Expired - Fee Related
- 2014-07-28 TW TW103213338U patent/TWM502764U/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065655A (en) * | 2015-07-16 | 2015-11-18 | 柳州首光科技有限公司 | Limiting locking structure of accelerator rod of engineering machinery |
| US11661893B2 (en) | 2020-11-09 | 2023-05-30 | Ge Avio S.R.L. | Systems and methods of servicing turbomachines |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM502764U (en) | 2015-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEST?SELECT?INDUSTRIAL?(SUZHOU)?CO.,?LTD. Free format text: FORMER OWNER: DONGGUAN BEST POWER TOOLS CO., LTD. Effective date: 20150812 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150812 Address after: Xiangcheng Kang Yuan Economic Development Zone in Suzhou City, Jiangsu Province, No. 789 215000 Patentee after: Group win technology (Suzhou) Co., Ltd. Address before: 523000 Guangdong Province, Dongguan city Changan Town Industrial Zone sixth usha Beach Road No. 17 Patentee before: Dongguan Best Power Tools Co., Ltd. |
|
| 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: 20141022 Termination date: 20210328 |