CN204954707U - Electronic ratchet spanner - Google Patents
Electronic ratchet spanner Download PDFInfo
- Publication number
- CN204954707U CN204954707U CN201520650842.1U CN201520650842U CN204954707U CN 204954707 U CN204954707 U CN 204954707U CN 201520650842 U CN201520650842 U CN 201520650842U CN 204954707 U CN204954707 U CN 204954707U
- Authority
- CN
- China
- Prior art keywords
- gear
- motor
- planetary gear
- ratchet head
- end cap
- 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
Links
Abstract
The utility model relates to an electronic ratchet spanner, including the ratchet head, drive assembly, the motor end cover, including a motor, an end cap, a controller, and a cover plate, casing and battery, the ratchet head, drive assembly, the motor end cover, motor and battery connect gradually and hold in the casing, drive assembly includes the planet carrier, sun gear, gear ring sum planetary gear, the planet carrier, sun gear and planetary gear all are located the gear intra -annular, evenly be provided with three planetary gear axle round the centre of a circle on the side end face of planet carrier, the planetary gear suit is epaxial at planetary gear, this planetary gear meshes with the ring gear of installing in the motor epaxial sun gear of output and gear ring one side simultaneously mutually, the motor end cover sets up between motor and gear ring, this motor end cover both ends symmetry is provided with the locating piece, this locating piece and gear annular shaft are inlayed in corresponding flat groove on to the terminal surface. The utility model discloses a new assembly structure, has prevented the rotation of motor and ratchet head, the direction uniformity of cubic driving head in the assurance ratchet head.
Description
Technical field
The utility model relates to field of power tools, particularly relates to a kind of electric ratchet wrench.
Background technology
Existing ratchet spanner all uses the gear ring that is threaded, the end face of threaded connector and the end face of casing is used to compress to prevent its radial rotating, the drawback of this structure is the orientation consistency that can not ensure cubic driving head in ratchet head, and vibration frequency is higher during ratchet spanner work, threaded connector is easily caused to loosen, cause ratchet head assembly to rotate, therefore need the structure further optimizing ratchet spanner.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of electric ratchet wrench, adopts a kind of new assembly structure, prevents the rotation of motor and ratchet head, ensures the orientation consistency of cubic driving head in ratchet head.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of electric ratchet wrench, comprise ratchet head, transmission component, electric motor end cap, motor, casing and battery, it is characterized in that: described ratchet head, transmission component, electric motor end cap, motor and battery are connected successively and are contained in described casing, described transmission component comprises planet carrier, central gear, gear ring and planetary gear, described planet carrier, central gear and planetary gear are all positioned at gear ring, one side end face of described planet carrier is evenly provided with three planet pins around the center of circle, described planetary gear is sleeved on planet pin, this planetary gear is meshed with the ring gear of the central gear be arranged on motor output shaft and gear ring side simultaneously, described electric motor end cap is arranged between motor and gear ring, these electric motor end cap two ends are symmetrically arranged with locating piece, this locating piece flat groove corresponding with on gear ring axial end is inlayed, by motor and electric motor end cap, being connected and fixed between electric motor end cap and gear ring, effectively prevent the rotation of motor.
Supplement as to the one of technical scheme described in the utility model, described ratchet head connection for transmission assembly one end sidewall there is the flat horizontal surface that two symmetrical, the flat horizontal surface of this ratchet head stretches in casing and fits with the plane on internal side of shell wall, effectively prevents ratchet head in the rotation in direction straight.
Supplement as to the another kind of technical scheme described in the utility model, be connected and fixed by two straight pins between described ratchet head and gear ring, also can be connected and fixed by other means as screw connection etc.
Further, described electric motor end cap and motor are connected and fixed by two symmetrical screws.
Further, be axially installed with pad between described transmission mechanism and electric motor end cap, be conducive to enlarge active surface, prevent from damaging electric motor end cap.
beneficial effect
The utility model relates to a kind of electric ratchet wrench, structure is simple, be connected with the locating piece at electric motor end cap two ends by the flat groove of gear ring, the locating piece at electric motor end cap two ends and the flat groove of casing are inlayed, ratchet head connection for transmission assembly one end sidewall there is the flat horizontal surface that two symmetrical, stretch in casing and fit with the plane on internal side of shell wall, the rotation of motor and ratchet head can be prevented, ensure the orientation consistency of cubic driving head in ratchet head.
Accompanying drawing explanation
Fig. 1 is the structural representation after the utility model removes outer cage;
Fig. 2 is overall structure schematic diagram of the present utility model;
Fig. 3 is the three-dimensional exploded view that the utility model removes casing and battery;
Fig. 4 is the overall schematic that the utility model removes casing and battery;
Fig. 5 is the front view of ratchet head described in the utility model;
Fig. 6 is the side view of ratchet head described in the utility model;
Fig. 7 is the stereogram of ratchet head described in the utility model;
Fig. 8 is cross section structure schematic diagram of the present utility model.
Diagram: 1, ratchet head; 2, transmission component; 3, electric motor end cap; 4, motor; 5, casing; 6, battery; 7, planet carrier; 8, central gear; 9, pad; 10, planet pin; 11, gear ring; 12, planetary gear; 13, straight pin; 14, locating piece; 15, flat horizontal surface; 16, flat groove.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
As shown in figures 1-8, embodiment of the present utility model relates to a kind of electric ratchet wrench, comprise ratchet head 1, transmission component 2, electric motor end cap 3, motor 4, casing 5 and battery 6, it is characterized in that: described ratchet head 1, transmission component 2, electric motor end cap 3, motor 4 is connected successively with battery 6 and is contained in described casing 5, described transmission component 2 comprises planet carrier 7, central gear 8, gear ring 11 and planetary gear 12, described planet carrier 7, central gear 8 and planetary gear 12 are all positioned at gear ring 11, one side end face of described planet carrier 7 is evenly provided with three planet pins 10 around the center of circle, described planetary gear 12 is sleeved on planet pin 10, this planetary gear 12 is meshed with the ring gear of the central gear 8 be arranged on motor 4 output shaft and gear ring 11 side simultaneously, described electric motor end cap 3 is arranged between motor 4 and gear ring 11, these electric motor end cap 3 two ends are symmetrically arranged with locating piece 14, this locating piece 14 flat groove 16 corresponding with on gear ring 11 axial end is inlayed.
Described ratchet head 1 connection for transmission assembly 2 one end sidewall has the flat horizontal surface 15 that two symmetrical, the flat horizontal surface 15 of this ratchet head 1 stretches in casing 5 fits with the plane on casing 5 madial wall.
Be connected and fixed by two straight pins 13 between described ratchet head 1 and gear ring 12.
Described electric motor end cap 3 is connected and fixed by two symmetrical screws with motor 4.
Pad 9 is axially installed with between described transmission mechanism 2 and electric motor end cap 3.
Embodiment
Time this ratchet spanner uses, first open the switch on casing 5, motor 4 rotates, the output shaft of motor 4 is connected with central gear 8, central gear 8 is meshed with planetary gear 12, planetary gear 12 rotation under the drive of central gear 8, and revolve round the sun along the ring gear of gear ring 11 side around the output shaft of motor 4, one side end face of planet carrier 7 is evenly provided with three planet pins 10 around the center of circle, planetary gear 12 is sleeved on planet pin 10, planet carrier 7 under the drive of planetary gear 12 around the output shaft rotation of motor 4, and be connected power transmission to ratchet head 1 with ratchet head 1, realize the rotation of cubic driving head in ratchet head 1.
Claims (5)
1. an electric ratchet wrench, comprise ratchet head (1), transmission component (2), electric motor end cap (3), motor (4), casing (5) and battery (6), it is characterized in that: described ratchet head (1), transmission component (2), electric motor end cap (3), motor (4) is connected successively with battery (6) and is contained in described casing (5), described transmission component (2) comprises planet carrier (7), central gear (8), gear ring (11) and planetary gear (12), described planet carrier (7), central gear (8) and planetary gear (12) are all positioned at gear ring (11), one side end face of described planet carrier (7) is evenly provided with three planet pins (10) around the center of circle, described planetary gear (12) is sleeved on planet pin (10), this planetary gear (12) is meshed with the ring gear of the central gear (8) be arranged on motor (4) output shaft and gear ring (11) side simultaneously, described electric motor end cap (3) is arranged between motor (4) and gear ring (11), this electric motor end cap (3) two ends are symmetrically arranged with locating piece (14), this locating piece (14) flat groove (16) corresponding with on gear ring (11) axial end is inlayed.
2. a kind of electric ratchet wrench according to claim 1, it is characterized in that: described ratchet head (1) connection for transmission assembly (2) one end sidewall has the flat horizontal surface (15) that two symmetrical, the flat horizontal surface (15) of this ratchet head (1) stretches in casing (5) fits with the plane on casing (5) madial wall.
3. a kind of electric ratchet wrench according to claim 1, is characterized in that: be connected and fixed by two straight pins (13) between described ratchet head (1) and gear ring (12).
4. a kind of electric ratchet wrench according to claim 1, is characterized in that: described electric motor end cap (3) and motor (4) are connected and fixed by two symmetrical screws.
5. a kind of electric ratchet wrench according to claim 1, is characterized in that: be axially installed with pad (9) between described transmission mechanism (2) and electric motor end cap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650842.1U CN204954707U (en) | 2015-08-26 | 2015-08-26 | Electronic ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650842.1U CN204954707U (en) | 2015-08-26 | 2015-08-26 | Electronic ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204954707U true CN204954707U (en) | 2016-01-13 |
Family
ID=55049804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520650842.1U Expired - Fee Related CN204954707U (en) | 2015-08-26 | 2015-08-26 | Electronic ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204954707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559479A (en) * | 2016-06-30 | 2018-01-09 | 中核核电运行管理有限公司 | Valve operation manipulator |
-
2015
- 2015-08-26 CN CN201520650842.1U patent/CN204954707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559479A (en) * | 2016-06-30 | 2018-01-09 | 中核核电运行管理有限公司 | Valve operation manipulator |
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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: 20160113 Termination date: 20170826 |