CN203162079U - Locating structure of electric tool gear box - Google Patents
Locating structure of electric tool gear box Download PDFInfo
- Publication number
- CN203162079U CN203162079U CN 201320035693 CN201320035693U CN203162079U CN 203162079 U CN203162079 U CN 203162079U CN 201320035693 CN201320035693 CN 201320035693 CN 201320035693 U CN201320035693 U CN 201320035693U CN 203162079 U CN203162079 U CN 203162079U
- Authority
- CN
- China
- Prior art keywords
- gear
- electric tool
- positioning part
- position structure
- ring gear
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a locating structure of an electric tool gear box. The locating structure of the electric tool gear box comprises gear box rear housing, a first layer inner ring gear and a motor gasket, wherein an inner cavity and an installing part which is located on the inner wall of the inner cavity are arranged on the gear box rear housing, a protruding part matched with the installing part is arranged on the outer edge of the first layer inner ring gear, and the motor gasket is located between the gear box rear housing and the first layer inner ring gear. A first locating part and a second locating part are arranged on the outer edge of the motor gasket, a clamping part is arranged on the protruding part, and the first locating part is clamped on the corresponding clamping part. An inserting part is arranged at the bottom of the inner cavity. The second locating part is inserted in the corresponding inserting part. The motor gasket fixes the first layer inner ring gear at the bottom of the inner cavity through the first locating part and the second locating part. The locating structure of the electric tool gear box is simple and flexible in demounting and mounting, can prevent the first layer inner ring gear from deviating in the radial direction or in the axial direction, is firm and reliable in structure, and can pass an end product dropping test at a height of 1.5m.
Description
Technical field
The utility model relates to the electric tool technical field, relates in particular to a kind of position structure of electric tool gear-box.
Background technique
In traditional electric tool gear-box, as shown in Figure 4, first layer ring gear 202 and motor pad more than 203 are packed into from the rear end of gear-box back cover 201, fasten motor plate 204 again and fix its position, and motor plate more than 204 adopts screws and motor 205 to fix.The length of this type of gear-box accumulation is bigger, and length overall is restricted.Under the OEM pattern, how the client assembles motor 205 voluntarily, and the gear-box of employing conventional construction need be dismantled motor plate 204 and be assembled on the motor 205, again motor 205 is put into gear-boxes, and complex procedures easily produces production quality hidden danger.In addition, after the gear-box running, be subjected to action of centrifugal force, lubricant oil is easily extruded from the space between motor plate 205 and the gear-box back cover 201.
In order to solve the above-mentioned defective that traditional electric tool gear-box exists, the integrated electric tool gear-box of gear-box back cover and motor plate has appearred on the market, and the first layer ring gear is front loaded from the gear-box back cover.The length of this type of gear-box is short, anti-leakage of oil is effective, dismounting is easy, but, the first layer ring gear is packed into and is subjected to displacement easily behind the gear-box back cover, if radially activity is excessive for the first layer ring gear, has noise or vibration during the gear-box running, if the first layer ring gear has been jumped out the plane layer of the first layer planet dentition at place, then gear-box output was lost efficacy.
The model utility content
The purpose of this utility model is to provide at the deficiencies in the prior art the position structure that a kind of sound construction is reliable, can prevent the electric tool gear-box that the first layer ring gear is subjected to displacement.
The purpose of this utility model realizes by following technical measures: a kind of position structure of electric tool gear-box, and it comprises: a gear-box back cover, described gear-box back cover are provided with inner chamber and are positioned at assembly department on the inwall of inner chamber; One first layer ring gear, the outer rim of described first layer ring gear is provided with the bump that matches with described assembly department; One motor pad, described motor pad is between described gear-box back cover and described first layer ring gear; Wherein, the outer rim of described motor pad is provided with first positioning part and second positioning part, described bump is provided with screens portion, described first positioning part is connected in corresponding described screens portion, the bottom of described inner chamber is provided with the cutting graftage part, described second positioning part is inserted in corresponding described cutting graftage part, and described motor pad is fixed in described first layer ring gear by described first positioning part and described second positioning part bottom of described inner chamber.
As preferably, described assembly department is set to the groove that extends along the inwall of described inner chamber.
As preferably, described bump is set to projection.
As preferably, described first positioning part and described second positioning part are set to elastic component respectively.
As preferably, described first positioning part is set to the flanging that is "T"-shaped.
As preferably, the angle on the plane of described first positioning part and described motor pad is acute angle.
As preferably, described second positioning part is set to have the flanging of through hole.
As preferably, the angle on the plane of described second positioning part and described motor pad is acute angle.
As preferably, described screens portion is set to be positioned at the groove at the middle part of described bump.
As preferably, described cutting graftage part is set to be the mounting hole of " recessed " shape.
The utility model beneficial effect is: motor pad of the present utility model can be fixed in the first layer ring gear intracavity bottom of gear-box back cover by first positioning part and second positioning part, the dismounting simple and flexible, can prevent that the first layer ring gear radially or axially is being subjected to displacement, sound construction is reliable, can be by finished product 1.5m height DROP TEST.
Description of drawings
Fig. 1 is the decomposing schematic representation of the utility model position structure.
Fig. 2 is the structural representation of the utility model gear-box back cover.
Fig. 3 is the sectional view with electric tool gear-box of the utility model position structure.
Fig. 4 is the partial structurtes decomposing schematic representation of traditional electric tool gear-box.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Please refer to Fig. 1, there is shown a kind of position structure of electric tool gear-box, it comprises gear-box back cover 101, first layer ring gear 102 and motor pad 103.Need to prove that at this position structure of electric tool gear-box of the present utility model is that the position structure with first layer ring gear in the electric drill instrument is that example describes.
As shown in Figure 1, gear-box back cover 101 is provided with the assembly department 112 on the inwall that an inner chamber 111 and two are positioned at inner chamber 111.In this enforcement, assembly department 112 is set to along the groove of the inwall extension of inner chamber 111.The outer rim of first layer ring gear 102 is provided with two bumps 121 that match with assembly department 112, and bump 121 is set to projection.First layer ring gear 102 matches from the front loaded inner chamber 111 of gear-box back cover 101 by bump 121 and assembly department 112.
Wherein, motor pad 103 is between gear-box back cover 101 and first layer ring gear 102, the outer rim of motor pad 103 is provided with two first positioning parts 131 and two second positioning parts 132, first positioning part 131 and second positioning part 132 are set to elastic component respectively, preferably, motor pad 103, first positioning part 131 and second positioning part 132 are one-body molded by the rubber-like stainless steel material, first positioning part 131 is set to the flanging that is "T"-shaped, and second positioning part 132 is set to have the flanging of through hole.
Further, be respectively arranged with screens portion 122 on two bumps 121, screens portion 122 is set to be positioned at the groove at the middle part of bump 121.During assembling, two first positioning parts 131 are connected in corresponding screens portion 122 respectively, and are preferable, two first positioning parts 131 are acute angle with the angle on the plane of motor pad 103 respectively, utilize the elastic recoil of first positioning part 131 to reset, produce hook and be connected and fixed effect, dismounting simple and flexible.
As depicted in figs. 1 and 2, the bottom of inner chamber 111 is provided with two cutting graftage parts 113, cutting graftage part 113 is set to be the mounting hole of " recessed " shape, be provided with the button bit of protrusion in this mounting hole, during assembling, two second positioning parts 132 are inserted in corresponding cutting graftage part 113 respectively, preferable, two second positioning parts 132 are acute angle with the angle on the plane of motor pad 103 respectively, utilize the elastic recoil of second positioning part 132 to reset, second positioning part 132 is connected the dismounting simple and flexible by through hole with button bit back-off on the cutting graftage part 113.
Need explanation at this, according to the actual needs, first positioning part 131 and second positioning part 132 also can be other difform fixing devices, just can implement as long as can reach good fixed effect, for example; First positioning part 131 also can be set to have the flanging of through hole, and screens portion 122 is set to projection, and first positioning part 131 is interlockingly connected with screens portion 122.
As shown in Figure 3, motor pad 103 is fixed in the bottom of inner chamber 111 by first positioning part 131 and second positioning part 132 with first layer ring gear 102, can prevent that first layer ring gear 102 radially or axially is being subjected to displacement, and sound construction is reliable.Experiment shows that the electric tool gear-box with the utility model position structure can be by finished product 1.5m height DROP TEST.Simultaneously, this electric tool gear-box has low length, high strength, characteristics such as anti-leakage of oil is effective.
Above embodiment is only in order to illustrate the technical solution of the utility model, but not to the restriction of the utility model patent claim, although with reference to preferred embodiment the utility model has been done to explain, those of ordinary skill in the art is to be understood that, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, and are included in the utility model patent claim.
Claims (10)
1. the position structure of an electric tool gear-box comprises:
One gear-box back cover (101), described gear-box back cover (101) are provided with inner chamber (111) and are positioned at assembly department (112) on the inwall of inner chamber (111);
One first layer ring gear (102), the outer rim of described first layer ring gear (102) are provided with the bump (121) that matches with described assembly department (112);
One motor pad (103), described motor pad (103) are positioned between described gear-box back cover (101) and the described first layer ring gear (102);
It is characterized in that: the outer rim of described motor pad (103) is provided with first positioning part (131) and second positioning part (132), described bump (121) is provided with screens portion (122), described first positioning part (131) is connected in corresponding described screens portion (122), the bottom of described inner chamber (111) is provided with cutting graftage part (113), described second positioning part (132) is inserted in corresponding described cutting graftage part (113), and described motor pad (103) is fixed in described first layer ring gear (102) by described first positioning part (131) and described second positioning part (132) bottom of described inner chamber (111).
2. the position structure of electric tool gear-box according to claim 1 is characterized in that: described assembly department (112) is set to the groove that extends along the inwall of described inner chamber (111).
3. the position structure of electric tool gear-box according to claim 1, it is characterized in that: described bump (121) is set to projection.
4. the position structure of electric tool gear-box according to claim 1, it is characterized in that: described first positioning part (131) and described second positioning part (132) are set to elastic component respectively.
5. according to the position structure of claim 1 or 4 described electric tool gear-boxes, it is characterized in that: described first positioning part (131) is set to the flanging that is "T"-shaped.
6. the position structure of electric tool gear-box according to claim 5 is characterized in that: described first positioning part (131) is acute angle with the angle on the plane of described motor pad (103).
7. according to the position structure of claim 1 or 4 described electric tool gear-boxes, it is characterized in that: described second positioning part (132) is set to have the flanging of through hole.
8. the position structure of electric tool gear-box according to claim 7 is characterized in that: described second positioning part (132) is acute angle with the angle on the plane of described motor pad (103).
9. the position structure of electric tool gear-box according to claim 1 is characterized in that: described screens portion (122) is set to be positioned at the groove at the middle part of described bump (121).
10. the position structure of electric tool gear-box according to claim 1, it is characterized in that: described cutting graftage part (113) are set to be the mounting hole of " recessed " shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035693 CN203162079U (en) | 2013-01-21 | 2013-01-21 | Locating structure of electric tool gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035693 CN203162079U (en) | 2013-01-21 | 2013-01-21 | Locating structure of electric tool gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162079U true CN203162079U (en) | 2013-08-28 |
Family
ID=49023264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320035693 Withdrawn - After Issue CN203162079U (en) | 2013-01-21 | 2013-01-21 | Locating structure of electric tool gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089976A (en) * | 2013-01-21 | 2013-05-08 | 东莞百事得电动工具有限公司 | Positioning structure of electric tool gearbox |
| CN104696487A (en) * | 2013-12-05 | 2015-06-10 | 苏州新成光电器件厂 | Integrated miniature stepping driving gear box |
-
2013
- 2013-01-21 CN CN 201320035693 patent/CN203162079U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089976A (en) * | 2013-01-21 | 2013-05-08 | 东莞百事得电动工具有限公司 | Positioning structure of electric tool gearbox |
| CN103089976B (en) * | 2013-01-21 | 2016-01-13 | 东莞百事得电动工具有限公司 | The position structure of electric tool gearbox |
| CN104696487A (en) * | 2013-12-05 | 2015-06-10 | 苏州新成光电器件厂 | Integrated miniature stepping driving gear box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2015117537A (en) | FASTENING DEVICE, FASTENING SYSTEM AND FURNITURE UNIT | |
| CN203387325U (en) | Plastic-packaged motor | |
| CN203585200U (en) | Shafting device for automobile engine crankshaft and automobile engine | |
| CN203162079U (en) | Locating structure of electric tool gear box | |
| CN202353372U (en) | Novel shock absorbing ring and motor employing same | |
| CN103089976B (en) | The position structure of electric tool gearbox | |
| CN201860206U (en) | Electric motor with new type damping gaskets | |
| CN204533229U (en) | Shaft end fixing structure and there is its air conditioner | |
| CN207961203U (en) | A kind of shell locating pin structure | |
| CN110067844B (en) | Harmonic speed reducer with oil disturbing lubrication | |
| NZ740769A (en) | Servo motor | |
| CN104343860A (en) | Driving device for parking brake of vehicle | |
| CN205282339U (en) | Electronic equipment and key module thereof | |
| CN209217171U (en) | Resonator installs fixture | |
| CN202937082U (en) | Integral type automobile door lock structure | |
| CN105305690B (en) | Motor damping mounting structure and have its lampblack absorber | |
| CN201152574Y (en) | Shockproof structure of cooking fume exhauster | |
| CN203906280U (en) | Automobile vacuum pump | |
| CN206145476U (en) | Mounting structure of lamp shade and lamp cup | |
| CN201526661U (en) | Belt pulley of engine | |
| CN203942381U (en) | Electric motor mounting structure, motor and washing machine | |
| CN203477235U (en) | Engine transmission mechanism for automatic gearbox | |
| CN202790418U (en) | Idle gear | |
| CN102913073B (en) | Integral automobile door lock structure | |
| JP2012193682A (en) | Rotor blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |