CN202985528U - Direct current (DC) electric tool - Google Patents
Direct current (DC) electric tool Download PDFInfo
- Publication number
- CN202985528U CN202985528U CN 201220640695 CN201220640695U CN202985528U CN 202985528 U CN202985528 U CN 202985528U CN 201220640695 CN201220640695 CN 201220640695 CN 201220640695 U CN201220640695 U CN 201220640695U CN 202985528 U CN202985528 U CN 202985528U
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- China
- Prior art keywords
- socket
- direct current
- switch
- power brick
- current electric
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- Withdrawn - After Issue
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Abstract
A direct current (DC) electric tool comprises a shell body, a battery pack, a battery pack socket, a switch and a clamping check mechanism. The battery pack socket is fixedly installed in the shell body. In a working state, the battery pack is inserted into the battery pack socket. A first end of the clamping check mechanism is connected with the battery pack socket, and a second end of the clamping check mechanism is connected with the switch. A clamping check part is arranged on the battery pack socket. When the switch is at an on-position, the first end of the clamping check mechanism is inserted into the clamping check part of the battery pack socket, and at the moment, the battery pack can not be inserted into the battery pack socket. The clamping check mechanism is provided with a clamping fit part corresponding to the clamping check part. The clamping fit part is used for being in engaged and disengaged fit with the clamping check part. According to the DC electric tool, a mechanical structure is adopted to stop the normal insertion of the battery pack in an on-position state of the switch. The DC electric tool is simple in structure, strong in reliability, low in production cost, and capable of lowering the overall cost of the DC electric tool and improving the competitiveness of products.
Description
Technical field
The utility model relates to a kind of electric tool, particularly a kind of direct current electric power tools.
Background technology
In the use procedure of direct current electric power tools (particularly direct current angle grinding machine), general operation inertia is to insert under the state that switch is placed in after power brick ON direct current electric power tools just to start working again, yet occasional generation direct current electric power tools is the situation of the unexpected outage of power brick in the course of the work, this moment, switch was in the state of ON, it is not returned to the OFF state due to human error, after the power brick of again inserting made electricity, direct current electric power tools can commence work without delay, thereby may cause the user is damaged.For considering of security, all generally by control circuit board is installed in direct current electric power tools at present, realize that switch inserts the power brick direct current electric power tools and can not run well under the state of ON, after must first switch being returned to the OFF state, insertion power brick direct current electric power tools could turn round, and makes like this direct current electric power tools can realize clean boot.Although this kind mode can realize the function of clean boot, its production cost is higher, is unfavorable for market competition.
Summary of the invention
For addressing the above problem, be necessary to provide a kind of with clean boot mechanism and the low direct current electric power tools of cost.
a kind of direct current electric power tools, comprise housing, power brick, power brick socket and switch, the power brick socket is fixedly mounted in housing, lower described power brick is inserted in the power brick socket in working order, described direct current electric power tools comprises that also locks a mechanism, a described end and the power brick socket that locks mechanism joins, the other end is connected with switch, be provided with fastener on described power brick socket, described locking mechanism has the holding section corresponding with fastener, be used for forming each other coordinating and disengaging, when switch is in on-position, described holding section one end can stretch out fastener, to stop power brick to be inserted in the power brick socket.
preferably, described locking mechanism comprises mount pad, straight pin, torsion spring, extension spring and rotation stopper, described mount pad is fixedly mounted in housing, straight pin is fixedly mounted in mount pad, rotating stopper is sleeved on described straight pin, described torsion spring set is contained on straight pin and can drives the rotation stopper and rotates centered by straight pin, described rotation stopper is connected with switch by extension spring, described rotation stopper can rotate centered by straight pin under the effect of extension spring, described torsion spring drives direction and the extension spring of rotating the stopper rotation and drives the opposite direction that rotates the stopper rotation.
Preferably, described switch comprises switch lever and the shift knob that is fixed on switch lever, and described shift knob can drive switch lever and move forward and backward, and switch lever is connected with extension spring.
Preferably, described rotation stopper comprises the holding section, be sleeved on the outer cylindrical sleeve of straight pin and one is connected to connection lug on cylindrical sleeve, described extension spring be connected lug and be connected, described holding section is integrated and is connected on cylindrical sleeve and the trigger piece radially tangent with cylindrical sleeve.
Preferably, described connection lug and holding section are positioned at respectively on two half side-views of cylindrical sleeve peripheral surface.
Preferably, be provided with the connecting hole that is connected for extension spring in described connection lug.
Preferably, the power brick socket comprises socket, first passage plate and second channel plate, one side of first passage plate is connected with socket, the second channel plate is arranged on the bearing of trend of first passage plate opposite side, socket, first passage plate and second channel plate surround and form receptacle channel, and power brick slips into or snaps fit onto in socket by receptacle channel.
Direct current electric power tools of the present utility model locks mechanism by arranging between power brick socket and switch, on the power brick socket, fastener is set, lock the holding section corresponding with fastener is set in mechanism, when switch is in off-state, described holding section and fastener disengage, and this moment, power brick can be put into the power brick socket smoothly; When switch is in on-state lower time, described holding section is passed fastener and is stretched in the receptacle channel of power brick, make power brick can't normally insert in the power brick socket, thereby direct current electric power tools can't work, avoided the injury that may bring to the operator due to maloperation, the utility model is by adopting frame for movement to stop switch to be in the normal insertion of power brick under on-state, simple in structure, easy for installation, reliability is strong, and production cost is low, can reduce the holistic cost of direct current electric power tools, improves the competitiveness of product.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model direct current electric power tools embodiment;
Fig. 2 is that the switch of the utility model direct current electric power tools embodiment inserts the structural representation sketch of power brick when being in on-state;
Fig. 3 is that the switch of the utility model direct current electric power tools embodiment inserts the structural representation sketch of power brick when being in off-state;
Fig. 4 is that the switch of the utility model direct current electric power tools embodiment locks the structural representation sketch of mechanism when being in on-state;
Fig. 5 is that the switch of the utility model direct current electric power tools embodiment locks the structural representation sketch of mechanism when being in off-state;
Fig. 6 is the structural representation sketch after the power brick of the utility model direct current electric power tools embodiment is inserted socket.
The specific embodiment
In order more to understand technology contents of the present utility model, especially exemplified by specific embodiment and coordinate appended graphic being described as follows.
Please refer to Fig. 1, as the direct current electric power tools 10 of the utility model embodiment, comprise housing 11, power brick 12, power brick socket 13, lock mechanism 14 and switch 15.
please refer to Fig. 2 and Fig. 3, power brick socket 13 is fixedly mounted in housing 11, only have and work as the state that power brick 12 is arranged in power brick socket 13 and switch is placed in ON, direct current electric power tools 10 could work, power brick socket 13 comprises socket 130, first passage plate 131 and second channel plate 132, one side of first passage plate 131 is connected with socket 130, second channel plate 132 is arranged on the bearing of trend of first passage plate 131 opposite sides, socket 130, first passage plate 131 surrounds with second channel plate 132 and forms receptacle channel (figure is mark not), power brick 12 slips into or snaps fit onto in socket 130 by receptacle channel (figure is mark not).Also be provided with fastener 1310 on power brick socket 13, fastener 1310 is the locking mouth that forms between first passage plate 131 and second channel plate 132, and first passage plate 131 is wholely set on housing 11 with second channel plate 132.
The first end and the power brick socket 13 that lock mechanism 14 join, and the second end is connected with switch 15, lock mechanism 14 and have the holding section corresponding with fastener 1,310 1410, are used for forming each other coordinating and disengaging.
In the present embodiment, locking mechanism 14 comprises mount pad 140, straight pin 142, torsion spring 143, extension spring 144 and rotates stopper 141.mount pad 140 is fixedly mounted in housing 11, straight pin 142 is fixedly mounted in mount pad 140, rotating stopper 141 is sleeved on described straight pin 142 and can rotates around straight pin 142, torsion spring 143 is sleeved on straight pin 142 and can drives rotation stopper 141 and rotates centered by straight pin 142, rotating stopper 141 is connected with switch 15 by extension spring 144, rotating stopper 14 can be in rotation centered by straight pin 142 under the effect of extension spring 144, torsion spring 143 drives direction and the extension spring 144 of rotating stopper 14 rotations and drives the opposite direction that rotates stopper 14 rotations.
Please refer to Fig. 4, rotate stopper 141 and comprise the holding section 1410 of matching with fastener 1310, be sleeved on the outer cylindrical sleeve 1411 of straight pin 142 and be formed on connection lug 1412 on cylindrical sleeve 1411, holding section 1410 is integrated and is connected on cylindrical sleeve 1411 and the trigger piece radially tangent with cylindrical sleeve 1411, connects lug 1412 and lays respectively on two half side-views of cylindrical sleeve 1411 peripheral surface with holding section 1410.Extension spring 144 be connected lug 1412 and be connected, connect in lug 1412 and be provided with the connecting hole 1413 that is connected for extension spring 144.The two ends of torsion spring 143 are coiled into straight reverse arm, and the one end is fixed in mount pad 140, and the other end is resisted against the junction of holding section 1410 and cylindrical sleeve 1411.Can certainly offer a putting hole in holding section 1410; be used for to place the reverse arm of torsion spring 143, as long as can make the mounting means that rotates the torsion spring 143 that stopper 141 rotates around straight pin 142 under the effect of torsion spring 143 all should belong to protection domain of the present utility model.
Please refer to Fig. 4 and Fig. 5, switch 15 comprises switch lever 150, shift knob 151 and switch main body 152, switch main body 152 is fixed in housing 11, switch lever 150 is the L-type structure, it comprises that the first rod section 1501 reaches, from the second rod section 1502 that the first rod section 1,502 one ends extend to a side, in the present embodiment, the length of the first 1501 ones of rod section is greater than the second rod section 1502.Be installed with shift knob 151 on the first rod section 1501, corner near the L-type structure on the first rod section 1501 is provided with sliding tray (figure is mark not), shift knob 151 can drive switch lever 150 and move forward and backward, switch lever 150 is connected by sliding tray with switch main body 152, and the second rod section 1502 of switch lever 150 is connected with extension spring 144.
please refer again to Fig. 2 and Fig. 4, shift knob 151 is in the ON position, be that switch main body 152 is when being in off-state, see from top to bottom, holding section 1410 can be around straight pin 142 rotation clockwise in the drive of the torsionspring power of torsion spring 143, and extension spring 144 is by pulling connection lug 1412 to make holding section 1410 around counterclockwise rotation of straight pin 142, this moment, the torque that provides of torsionspring power of torsion spring 143 connected greater than 144 pairs of extension springs the torque that the pulling force of lugs 1412 provides, this moment, holding section 1410 was along with cylindrical sleeve 1411 clockwise rotates together until the equilbrium position, holding section 1410 is hidden in and locks in mouth, power brick 12 can normally be inserted power brick socket 13.After power brick 12 is inserted, by shift knob 151 Drawing switch pull bars 150, order about switch main body 152 closures, this moment, direct current electric power tools 10 can run well.
please refer again to Fig. 3 and Fig. 5, shift knob 151 is in the OFF position, be that switch main body 152 is when being in closure state, see from top to bottom, holding section 1410 can be around straight pin 142 rotation clockwise in the drive of the torsionspring power of torsion spring 143, and extension spring 144 is by pulling connection lug 1412 to make holding section 1410 around counterclockwise rotation of straight pin 142, this moment torsion spring 143 the torque that provides of torsionspring power connects less than 144 pairs of extension springs the torque that the pulling force of lugs 1412 provides, this moment, holding section 1410 was along with cylindrical sleeve 1411 rotates counterclockwise together until the equilbrium position, the part of holding section 1410 protrudes in receptacle channel (figure is mark not), thereby hindered the insertion of power brick 12, make direct current electric power tools 10 not run well, prevented the injury that causes due to maloperation.
please refer to Fig. 6, when shift knob 151 is in the OFF position, power brick 12 can be inserted in socket 130 smoothly, pass through the mutual clamping of terminal between power brick 12 and socket 130, this moment is when toggling it to the ON position with shift knob 151, because holding section 1410 is around straight pin 142 rotations under the acting in conjunction of torsion spring 143 and extension spring 144, see from top to bottom, holding section 1410 can be around straight pin 142 rotation clockwise in the drive of the torsionspring power of torsion spring 143, and extension spring 144 is by pulling connection lug 1412 to make holding section 1410 around counterclockwise rotation of straight pin 142, this moment torsion spring 143 the torque that provides of torsionspring power connects less than 144 pairs of extension springs the torque that the pulling force of lugs 1412 provides, holding section 1410 connects with power brick 12, but due to spring to the non-rigid active force of the active force of holding section 1410, power brick 12 can give 1,410 one of holding sections reaction force so that it overcomes making a concerted effort of 144 pairs of holding sections 1410 of torsion spring 143 and extension spring, so that being hidden in, holding section 1410 locks in mouth.
Be appreciated that, first passage plate 131 and second channel plate 132 can the two boards bodies, reserve insertion or the disengaging that certain gap is used for holding section 1410 between the two boards body, also can first passage plate 131 with second channel plate 132 between be integrated and be connected, the centre has a locking mouth that coordinates or disengage with holding section 1410.
Although the utility model discloses as above with preferred embodiment, so it is not to limit the utility model.Have in technical field under the utility model and usually know the knowledgeable, within not breaking away from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection domain of the present utility model is as the criterion when looking claims person of defining.
Claims (7)
1. direct current electric power tools, comprise housing, power brick, power brick socket and switch, the power brick socket is fixedly mounted in housing, lower described power brick is inserted in the power brick socket in working order, it is characterized in that: described direct current electric power tools comprises that also locks a mechanism, a described end and the power brick socket that locks mechanism joins, the other end is connected with switch, be provided with fastener on described power brick socket, described locking mechanism has the holding section corresponding with fastener, described holding section is used for forming with fastener and coordinates and disengage, when switch is in on-position, described holding section one end can stretch out fastener, to stop power brick to be inserted in the power brick socket.
2. direct current electric power tools according to claim 1, it is characterized in that: described locking mechanism comprises mount pad, straight pin, torsion spring, extension spring and rotation stopper, described mount pad is fixedly mounted in housing, straight pin is fixedly mounted in mount pad, rotating stopper is sleeved on described straight pin, described torsion spring set is contained on straight pin and can drives the rotation stopper and rotates centered by straight pin, described rotation stopper is connected with switch by extension spring, described rotation stopper can rotate centered by straight pin under the effect of extension spring, described torsion spring drives direction and the extension spring of rotating the stopper rotation and drives the opposite direction that rotates the stopper rotation.
3. direct current electric power tools according to claim 2 is characterized in that: described switch comprises switch lever and is fixed on shift knob on switch lever, and described shift knob can drive switch lever and move forward and backward, and switch lever is connected with extension spring.
4. according to claim 2 or 3 described direct current electric power tools, it is characterized in that: described rotation stopper comprises that being sleeved on the outer cylindrical sleeve of straight pin and one is connected to connection lug on cylindrical sleeve, described extension spring be connected lug and be connected, described holding section is integrated and is connected on cylindrical sleeve and the trigger piece radially tangent with cylindrical sleeve.
5. direct current electric power tools according to claim 4, it is characterized in that: described connection lug and holding section are positioned at respectively on two half side-views of cylindrical sleeve peripheral surface.
6. direct current electric power tools according to claim 4, is characterized in that: be provided with the connecting hole that is connected for extension spring in described connection lug.
7. direct current electric power tools according to claim 1, it is characterized in that: the power brick socket comprises socket, first passage plate and second channel plate, one side of first passage plate is connected with socket, the second channel plate is arranged on the bearing of trend of first passage plate opposite side, socket, first passage plate and second channel plate surround and form receptacle channel, and power brick slips into or snaps fit onto in socket by receptacle channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640695 CN202985528U (en) | 2012-11-29 | 2012-11-29 | Direct current (DC) electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640695 CN202985528U (en) | 2012-11-29 | 2012-11-29 | Direct current (DC) electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202985528U true CN202985528U (en) | 2013-06-12 |
Family
ID=48556746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640695 Withdrawn - After Issue CN202985528U (en) | 2012-11-29 | 2012-11-29 | Direct current (DC) electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202985528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990620A (en) * | 2012-11-29 | 2013-03-27 | 南京德朔实业有限公司 | Direct-current electric tool |
| CN112917337A (en) * | 2021-01-27 | 2021-06-08 | 南京腾亚精工科技股份有限公司 | Multifunctional sander |
| US11581154B2 (en) | 2019-06-07 | 2023-02-14 | Techtronic Cordless Gp | Battery lock out for power tool |
-
2012
- 2012-11-29 CN CN 201220640695 patent/CN202985528U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990620A (en) * | 2012-11-29 | 2013-03-27 | 南京德朔实业有限公司 | Direct-current electric tool |
| CN102990620B (en) * | 2012-11-29 | 2015-09-09 | 南京德朔实业有限公司 | Direct current electric power tools |
| US11581154B2 (en) | 2019-06-07 | 2023-02-14 | Techtronic Cordless Gp | Battery lock out for power tool |
| CN112917337A (en) * | 2021-01-27 | 2021-06-08 | 南京腾亚精工科技股份有限公司 | Multifunctional sander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |