CN203738682U - Handheld tool - Google Patents
Handheld tool Download PDFInfo
- Publication number
- CN203738682U CN203738682U CN201420056334.6U CN201420056334U CN203738682U CN 203738682 U CN203738682 U CN 203738682U CN 201420056334 U CN201420056334 U CN 201420056334U CN 203738682 U CN203738682 U CN 203738682U
- Authority
- CN
- China
- Prior art keywords
- cutter
- hand
- back cabinet
- held tool
- push
- 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 provides a handheld tool which comprises a front enclosure with a cutter chuck, a rotational cutter replacement storage room, a rear enclosure containing a gearbox and a motor and a push rod component. A plurality of different cutters are contained in the cutter replacement storage room, and the push rod component can shift towards the cutter chuck in the axial direction of the cutter chuck. The rear enclosure is provided with a protrusion and at least can contain an output shaft of the gearbox, the cutter replacement storage room is in rotating connection with the rear enclosure by containing the protrusion, the cutter replacement storage room can independently pivot relative to the rear enclosure and is located between the front enclosure and the rear enclosure, and the front enclosure is fixedly connected with the rear enclosure through the protrusion. The handheld tool enables a user to fast and conveniently replace the cutters, the positions of the cutters expected to be used can be observed conveniently, and the cutters are switched to be in the work state.
Description
Technical field
The utility model relates to for a kind of hand-held tool, the especially a kind of hand-held tool that can change cutter.
Background technology
Screw specification kind is many in the market, have plum blossom, cross, a word, hexagonal etc., this just causes user in the time using the fastening multiple types screw of screwdriver, needs the frequent working head of changing.In order to store working head, user may need to carry extra storage box, and this just brings a lot of inconvenience, such as carrying, find, replacing etc.
Still do not have now one to be convenient to observe and select cutter head, the hand-held tool that Simultaneous Stabilization is firm.
Summary of the invention
For overcoming the defect of prior art, the purpose of this utility model is to provide one to be convenient to observe and selects cutter head, the hand-held tool that Simultaneous Stabilization is firm.
For realizing above-mentioned target, the utility model adopts following technical scheme: hand-held tool comprises the front housing with cutter dop, rotatable cutter changing storehouse, cutter changing storehouse accommodates multiple different cutters, hold the back cabinet of gear-box and motor, and push-rod assembly, this push-rod assembly can be offset to cutter dop in the axial direction of cutter dop.This back cabinet has protuberance, at least can hold the output shaft of gear-box, cutter changing storehouse forms by holding protuberance and back cabinet that be rotationally connected can relative back cabinet independence pivotable, and between front housing back cabinet, front housing is fixedly connected with described back cabinet by described protuberance.
Further, the front housing of handheld tool is fixed on the protuberance of described back cabinet by least two screws.
Further, push-rod assembly is installed on back cabinet and forms and be slidably connected with it.
Further, push-rod assembly comprises to front successively from rear: push rod spring, push button, push rod, steel bushing and magnet, push button and back cabinet formation are parallel to being slidably connected of push rod axis direction, and push button at least has the sliding stroke that the cutter that can make in cutter changing storehouse ejects or reclaims.
Further, on back cabinet, also have one pass for described pusher section pass through hole, cutter changing storehouse have multiple can with the accommodation hole of aiming at by hole.
Further, also comprise can be by described push-rod assembly in the enterprising line-locked lock-button of its glide direction for hand-held tool.
Further, in lock-button, be provided with locking device, on push button, be provided with and can coordinate the adapting device that locks described push-rod assembly with described locking device.
Further, cutter changing storehouse is at least partly for transparent material is made.
Further, cutter changing storehouse is drum-shape hollow component, has a hollow cavity connecting in its pivotal axis direction.
Further, the hollow cavity inwall in cutter changing storehouse has multiple detents that upwards distribute symmetrically in described cutter changing storehouse pivotal axis week, back cabinet protuberance at least has an accommodation hole and one group and is arranged in this accommodation hole circumferentially locked component, accommodation hole is blind hole, and this circumferential locked component comprises: described in a locking piece, a bias voltage, locking piece makes it to the biased element away from protuberance and then embedding detent.
Handheld tool of the present utility model is convenient to user's quick-replaceable cutter, and can observe easily the tool position of wishing use, is switched to duty.It is firm that while handheld tool of the present utility model is stablized, and it is convenient to grip.
Brief description of the drawings
Fig. 1 is the explosive view of a preferred embodiment of hand-held tool of the present utility model;
Fig. 2 is the in running order profile of the hand-held tool shown in Fig. 1;
Fig. 3 is the profile of the hand-held tool shown in Fig. 1 in SBR;
Fig. 4 is the top view of the hand-held tool shown in Fig. 1 in SBR;
Fig. 5 is the mediate top view of state of the hand-held tool shown in Fig. 1;
Fig. 6 is the in running order top view of the hand-held tool shown in Fig. 1.
Detailed description of the invention
Further illustrate the specific embodiment of the present invention below in conjunction with accompanying drawing.
Shown in Fig. 6, as a preferred version of the present utility model, this hand-held tool 1 is an electric screwdriver, and it comprises: front housing 7, cutter changing storehouse 8, back cabinet 6, push-rod assembly 17 and motor etc.As preferred version, this hand-held tool 1 can be designed to user-friendly gun type, and wherein procapsid forms muzzle part, and back casing forms handle portion.
Motor 4 and gear-box 5 be along arranging coaxially before and after gearbox output shaft A_A, and be all received with back cabinet 6 within.Gearbox output shaft 9 stretches out from gear-box 5, and the torsion of exporting for transmitting gear-box 5 is set along gearbox output shaft A_A.Wherein gearbox output shaft 9 is still arranged in back cabinet 6, is held by back cabinet outstanding 61.The outstanding 61 outer linkings of back cabinet be set to cutter changing storehouse 8, be here screwdriver bit box, for depositing multiple screws screwdriver bit.Cutter changing storehouse 8 can relative back cabinet independence pivotable by holding that back cabinet outstanding 61 is rotationally connected with back cabinet 6 formations.Front housing 7 accommodates cutter dop 10, and the first output gear 11, the second output gear 12, the three output gears 13.Front housing is given prominence to 61 by back cabinet and is held with back cabinet 6 and be fixedly connected with.Concrete, screw 14a, 14b is through the screw hole 15a on front housing 7, and 15b is locked in screw base 16a, and 16b is fixed on front housing 7 on back cabinet 6.Push-rod assembly 17 is between front housing 7 and back cabinet 6.
Push rod axis B-B is parallel to gearbox output shaft A_A, on push-rod assembly 17 settings and push rod axis B-B.Push-rod assembly, from rear to the front push rod spring 171 that comprises successively, push away and turns round 175, push rod 172, steel bushing 173 and magnet 174.Push-rod assembly 17 is installed in the groove 19 on back cabinet 6, forms and is parallel to being slidably connected of push rod axis direction with back cabinet 6.Push button has the sliding stroke that the cutter that can make in cutter changing storehouse 8 ejects or reclaims, concrete, and push rod 172, steel bushing 173 and magnet 174 act on the screwdriver bit in cutter changing storehouse 8 through hole 18.Steel bushing 173 is for being wrapped on push rod 172 by magnet 174, push button 175 is arranged on push rod 172, one end action scope push rod 172 of push rod spring 171, the other end acts on back cabinet 7, push rod spring 171 by push-rod assembly 17 to the direction bias voltage away from cutter changing storehouse 8.
Cutter changing storehouse 8 is drum-shape hollow component, has a hollow cavity 83 connecting in its pivotal axis direction.Hollow cavity 83 inner sides are distributed with many detents 82.Cutter changing storehouse 8 parts are transparent member, and a part is nontransparent, or is all all-transparent part.Whether cutter changing storehouse 8 is transparent is at least partly correct in order to facilitate user to observe switched screwdriver bit.Cutter changing storehouse 8 has multiple accommodation holes 81, and for holding different cutters, multiple accommodation hole 81 gearbox output shafts are corresponding one by one with the detent 82 of inner side.Cutter changing storehouse 8 is set on back cabinet outstanding 61.Outstanding 61 upper sides of back cabinet have an accommodation hole, are blind hole, accommodate steel ball and spring 63 and steel ball 64, and steel ball and spring 63 is biased in steel ball in the detent 82 in cutter changing storehouse 8, for the location at circumferential position to cutter changing storehouse 8.Another function of front housing 7 is in axial restraint cutter changing storehouse 8, makes it can only be around outstanding 61 rotations of back cabinet and not in axial disengagement.
The accommodation hole 81 that passes through Kong Nengyu cutter changing storehouse 8 on back cabinet 6 is aimed at gearbox output shaft, and the arbitrary accommodation hole 81 in cutter changing storehouse 8 is coaxial at Yu Gai Kong18 center, Shi center, extreme higher position, is all positioned on push rod axis B-B.Cutter dop 10 is coaxial with above-mentioned two parts.
After hand-held tool 1 starts, the rotation that gear-box 5 is exported motor 4 is slowed down, and exports by gearbox output shaft 9, and gearbox output shaft 9 drives the first output gear 11 to rotate.The second output gear 12 is for connecting the first output gear 11 and the 3rd output gear 13, the three output gears are connected in cutter dop 10.The rotation that gear-box 5 is exported, through gearbox output shaft 9, is rotated by the transmission rear drive cutter dop 10 of first, second, third output gear 11,12,13, the cutter rotary work of final drive installation in cutter dop 10.
The SBR when cutter that is illustrated in figure 2 hand-held tool 1 is not yet pushed out, all cutters are contained in cutter changing storehouse 8.When user operates hand-held tool 1, observe the cutter of required use by transparent cutter changing storehouse 8, and rotated to extreme higher position, the cutter of this extreme higher position is selected.Now steel ball 64 falls into the groove 82 that selected cutter is corresponding, and cutter changing storehouse 8 was upwards fixed in week.Now user pushes away and turns round 175, and the magnet 174 of push-rod assembly 17 is pushed into the accommodation hole 81 of cutter changing storehouse 8 in extreme higher position, moves to cutter dop 10 thereby promote selected cutter.When magnet 174 passes completely through cutter changing storehouse, mean that cutter all enters cutter dop 10, hand-held tool 1 is in can duty, as shown in Figure 3.Now user can trigger trigger 30 hand-held tool 1 is worked.
As Fig. 4, Fig. 5, shown in Fig. 6, lock-button 20 is resetted to push rod axis B-B by the control of spring (not shown), spring and the push rod axis B-B setting that intersects vertically.In lock-button 20, be provided with triangle locking device 20a, 20b, is provided with trapezoidal adapting device 175a on push button 175,175b, and locking device 20a, 20b and adapting device 175a, 175b is in same level.As shown in Figure 4, hand-held tool 1 is in SBR.When user promotes push button 175, the adapting device 175a on push button 175,175b contact locking device 20a, when 20b, adapting device 175a, 175b pushes through its slope driving locking device 20a, and 20b is to moving away from the direction of push rod axis B-B, as shown in Figure 5.Continue to promote push button 175, adapting device 175a, 175b crosses locking device 20a, 20b, and now spring control lock-button 20 resets to push rod axis B-B, as shown in Figure 6, locking device 20a, 20b props up adapting device 175a, 175b, lock-button is by push-rod assembly 17 in its axial direction locking, and hand-held tool 1 is in running order.
When user presses trigger 30, the power of motor 4 is finally arrived cutter dop 10, thereby is made cutter rotation by gear-box 5, gearbox output shaft 9, the first output gear 11, the second output gear 12, the 3rd output gear 13.Now cutter changing storehouse 8 is circumferentially fixed on back cabinet 6 by steel ball 64 and push rod 17, can not be rotated.
In the time that user need to be switched cutter, laterally stir lock-button 20, because the bias effect of push rod spring 171, push-rod assembly 17 bias voltage principle cutter dops 10, magnet 174 ends all exit and cutter dop 10, get back to the hole 18 on back cabinet 6.Now user can be by the transparent part on the cutter changing storehouse 8 again selected cutter needing, and rotary cutter is changed storehouse 8 to required cutter and is positioned at extreme higher position, again will push away in a manner described to turn round 175 and be pushed into locking to cutter dop 10 directions.
As shown in Figure 3, hand-held tool 1 also has an illuminating lamp 40, preferably LED lamp, and this illuminating lamp 40 is by push-rod assembly 17 gauge taps.When push-rod assembly 17 is to the direction motion away from cutter dop 10, illuminating lamp 40 is lit, and is convenient to user and changes cutter under dark or the not good condition of light.Turn round 175 and be pushed to latched position when pushing away, illuminating lamp 40 is closed.If user does not promote to turn round 175 after this illumination lamp ignition, this illuminating lamp 40 was automatically closed after 30 seconds or 1 minute, to prevent battery electric quantity loss.
Described hand-held tool 1 also can be used as electric drill and uses, and wherein cutter changing storehouse is used for placing drill bit, and user can optionally use drill bit by same way.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.
Claims (10)
1. a hand-held tool, comprises:
There is the front housing of cutter dop,
Revolvable cutter changing storehouse, described cutter changing storehouse accommodates multiple different cutters,
Accommodate the back cabinet of gear-box and motor,
Push-rod assembly, described push-rod assembly can be offset to cutter dop in the axial direction of cutter dop;
It is characterized in that, described back cabinet has protuberance, and it at least can hold the output shaft of gear-box; Described cutter changing storehouse forms by holding described protuberance and described back cabinet that be rotationally connected can relative back cabinet independence pivotable, and between described front housing back cabinet, described front housing is fixedly connected with described back cabinet by described protuberance.
2. hand-held tool according to claim 1, is characterized in that, described front housing is fixed on the protuberance of described back cabinet by least two screws.
3. hand-held tool according to claim 1, is characterized in that, described push-rod assembly is installed on described back cabinet and forms and be slidably connected with it.
4. hand-held tool according to claim 3, it is characterized in that, described push-rod assembly comprises to front successively from rear: push rod spring, push button, push rod, steel bushing and magnet, described push button and described back cabinet form and are parallel to being slidably connected of described push rod axis direction, and described push button at least has the sliding stroke that the cutter that can make in described cutter changing storehouse ejects or reclaims.
5. hand-held tool according to claim 4, is characterized in that, on described back cabinet, also have one pass for described pusher section pass through hole, described cutter changing storehouse have multiple can with the described accommodation hole of aiming at by hole.
6. hand-held tool according to claim 3, is characterized in that, described hand-held tool also comprises: can be by described push-rod assembly in the enterprising line-locked lock-button of its glide direction.
7. hand-held tool according to claim 6, is characterized in that, in described lock-button, is provided with locking device, is provided with and can coordinates the adapting device that locks described push-rod assembly with described locking device on described push button.
8. hand-held tool according to claim 1, is characterized in that, described cutter changing storehouse is at least partly for transparent material is made.
9. hand-held tool according to claim 1, is characterized in that, described cutter changing storehouse is drum-shape hollow component, and described cutter changing storehouse has a hollow cavity connecting in its pivotal axis direction.
10. hand-held tool according to claim 9, it is characterized in that, the hollow cavity inwall in described cutter changing storehouse has multiple detents that upwards distribute symmetrically in described cutter changing storehouse pivotal axis week, described back cabinet protuberance at least has an accommodation hole and one group and is arranged in this accommodation hole circumferentially locked component, described accommodation hole is blind hole, and this circumferential locked component comprises: described in a locking piece, a bias voltage, locking piece makes it to the biased element away from described protuberance and then embedding detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056334.6U CN203738682U (en) | 2014-01-28 | 2014-01-28 | Handheld tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056334.6U CN203738682U (en) | 2014-01-28 | 2014-01-28 | Handheld tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738682U true CN203738682U (en) | 2014-07-30 |
Family
ID=51338545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056334.6U Expired - Fee Related CN203738682U (en) | 2014-01-28 | 2014-01-28 | Handheld tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935873A (en) * | 2016-06-30 | 2016-09-14 | 重庆浩立塑胶有限公司 | Nut riveting device for plastic products |
| CN106002807A (en) * | 2016-06-30 | 2016-10-12 | 重庆浩立塑胶有限公司 | Nut riveting press device of injection molding product |
| CN111906730A (en) * | 2019-05-07 | 2020-11-10 | 苏州宝时得电动工具有限公司 | Power tool |
-
2014
- 2014-01-28 CN CN201420056334.6U patent/CN203738682U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935873A (en) * | 2016-06-30 | 2016-09-14 | 重庆浩立塑胶有限公司 | Nut riveting device for plastic products |
| CN106002807A (en) * | 2016-06-30 | 2016-10-12 | 重庆浩立塑胶有限公司 | Nut riveting press device of injection molding product |
| CN111906730A (en) * | 2019-05-07 | 2020-11-10 | 苏州宝时得电动工具有限公司 | Power tool |
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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 |
Granted publication date: 20140730 Termination date: 20150128 |
|
| EXPY | Termination of patent right or utility model |