CN207564430U - The impact gearshift of impact drill - Google Patents
The impact gearshift of impact drill Download PDFInfo
- Publication number
- CN207564430U CN207564430U CN201721676240.9U CN201721676240U CN207564430U CN 207564430 U CN207564430 U CN 207564430U CN 201721676240 U CN201721676240 U CN 201721676240U CN 207564430 U CN207564430 U CN 207564430U
- Authority
- CN
- China
- Prior art keywords
- impact
- inner casing
- gearshift
- casing
- sheathed
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of impact gearshift of impact drill, and the impact gearshift of the impact drill includes：Inner casing, it is sheathed on inner casing and rotatable outer lower casing and outer upper casing, it the shaft that is installed in inner casing and is installed in inner casing and is connected with the rotating shaft impact shift mechanism, the impact shift mechanism includes being installed in inner casing and being sheathed on dynamic ratchet, it is installed below dynamic ratchet by the first spring and determines ratchet with what dynamic ratchet was adapted to, it is installed on the driving lever for determining ratchet lower end, the impact shelves spring for being sheathed on shaft lower end and the shifting block ring for being sheathed on inner casing periphery and the bead gasket with the cooperation installation of shifting block ring, clicking section in the driving lever passes through the first stroke hole set on inner casing to stretch out in inner casing periphery, and it is fixedly connected with shift fork molding on shifting block ring, the outer lower casing is sheathed on shifting block ring periphery；Be provided with several gearshift slots on the driving lever, it is described determine ratchet lower end form it is several with gearshift slot tooth block.
Description
Technical field：
The utility model is related to impact drill product technical fields, refer in particular to a kind of impact gearshift of impact drill.
Background technology：
Current impact drill usually has several operating modes, these types of operating mode gear is respectively screw shelves, seek loopholes,
Impact shelves.During using screw shelves, it is necessary to by the adjustment of control gear in screw shelves, at this point, impact shelves can be set according to screw shelves torsion
It is fixed when trip stop, and during trip stop, impact drill rotation motor persistently rotates, but screwdriver remains stationary state, impact drill without
Method realizes maximum impact force.When use seek loopholes when, rotation motor and front end drill bit are always maintained at same action, export maximum turn round
Power maintains not trip stop.During using impact shelves, seek loopholes other than function in addition to keeping original, beater mechanism will be started simultaneously and impact is provided
Effect more effectively can implement bore operation to cement wall or other hard objects.In order to can be carried out according to different demands running with
Adjustment, it will usually setting impact gearshift, to realize the demand for mechanically operating adjustment.
It is of the prior art impact gearshift structure it is extremely complex, impact transmit power when structural instability, and cost compared with
Height is unfavorable for improving the market competitiveness.
In view of this, the present inventor proposes following technical scheme.
Utility model content：
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of impact gearshift of impact drill.
In order to solve the above-mentioned technical problem, the utility model employs following technical proposals：The impact gear shift of the impact drill
Device includes：Inner casing is sheathed on inner casing and rotatable outer lower casing and outer upper casing, the shaft that is installed in inner casing and installation
In inner casing and it is connected with the rotating shaft impact shift mechanism, it is characterised in that：The impact shift mechanism includes being installed on inner casing
In and what is be sheathed on dynamic ratchet, be installed on by the first spring below dynamic ratchet and be adapted to dynamic ratchet determine ratchet, be installed on calmly
The driving lever of ratchet lower end, the impact shelves spring for being sheathed on shaft lower end and be sheathed on inner casing periphery shifting block ring and with shifting block ring
Coordinating the bead gasket of installation, the clicking section in the driving lever passes through the first stroke hole set on inner casing to stretch out in inner casing periphery,
And be fixedly connected with shift fork molding on shifting block ring, the outer lower casing is sheathed on shifting block ring periphery；If it is provided on the driving lever
Dry gearshift slot, it is described determine ratchet lower end and form several and gearshift slot tooth block.
Furthermore, in above-mentioned technical proposal, the driving lever includes annular body and takes shape in outside annular body
The clicking section enclosed, the annular body is sheathed on the shaft periphery, and is not interlocked with the shaft.
Furthermore, in above-mentioned technical proposal, the shifting block ring inner wall forms interior convex block, described in the interior convex block insertion
In the second stroke hole set on inner casing.
Furthermore, in above-mentioned technical proposal, the tooth block has an inclined-plane.
Furthermore, it is described to determine ratchet periphery and form several cushion blocks in above-mentioned technical proposal, under first spring
End contacts and compresses with cushion block upper surface.
Furthermore, in above-mentioned technical proposal, the shifting block ring periphery forms several convex blocks, which is placed in described
Outer lower casing inner wall setting is stirred in slot.
Furthermore, in above-mentioned technical proposal, bearing is additionally provided in the inner casing and is installed on the pad of bearing lower end
Piece, first spring upper end are contacted with the gasket lower face, which is set in the shaft.
Furthermore, in above-mentioned technical proposal, the inner casing upper end is fixed with locking plate, which forms
Stop protrusion, the stop protrusion are placed in the locking groove of the outer upper casing inner wall setting.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art：This practicality
Impact shift mechanism parts in novel are few, and transmission power is reliable, and structure is relatively simple, and cost is relatively low, competing convenient for improving market
Strive power.In addition, since locking plate is set to inner casing upper end, it is placed in the outer upper casing upper end, and the outer upper casing inner wall setting
Have in the locking groove being adapted to locking plate, this structure can reach the length for reducing impact drill entirety, impact drill can be made to be made more
It is short and small, collection easy to carry.
Description of the drawings：
Fig. 1 is the stereogram of the utility model；
Fig. 2 be the utility model the outer lower casing of dismounting and outer upper casing after structure diagram；
Fig. 3 is the internal structure schematic diagram of the utility model；
Fig. 4 is that shift mechanism and the installation diagram of shaft are impacted in the utility model；
Fig. 5 is the three-dimensional exploded view of the utility model.
Specific embodiment：
The utility model is further illustrated with reference to specific embodiments and the drawings.
It is a kind of impact gearshift of impact drill as shown in Fig. 1-5, including：Inner casing 1 is sheathed on inner casing 1 and can
It the outer lower casing 2 and outer upper casing 3 of rotation, the shaft 4 that is installed in inner casing 1 and is installed in inner casing 1 and is rushed with what shaft 4 was connect
Hit shift mechanism 5.
1 upper end of inner casing is fixed with locking plate 14, which forms stop protrusion 141, and the stop is convex
Portion 141 is placed in the locking groove 31 of 3 inner wall of outer upper casing setting, the outer upper casing 3 when rotated, the outer upper casing 3
31 side wall of locking groove contacted with stop protrusion 141 after, which is then blocked from being rotated further by, to reach stop
Purpose.It since locking plate 14 is set to 1 upper end of inner casing, is placed in 3 upper end of outer upper casing, and outer 3 inner wall of the upper casing setting
Have in the locking groove 31 being adapted to locking plate 14, this structure can reach the length for reducing impact drill entirety, can be made impact drill
It is shorter and smaller, collection easy to carry.
The impact shift mechanism 5 includes being installed in inner casing 1 and being sheathed on dynamic ratchet 51, install by the first spring 55
In dynamic 51 lower section of ratchet and what is be adapted to dynamic ratchet 51 determine ratchet 52, be installed on and determine the driving lever 53 of 52 lower end of ratchet, be sheathed on turn
The impact shelves spring 57 of 4 lower end of axis and it is sheathed on the shifting block ring 54 of the periphery of inner casing 1 and the bead with the cooperation installation of shifting block ring 54
Gasket 56, the clicking section 531 in the driving lever 53 pass through the first stroke hole 11 set on inner casing 1 to stretch out in 1 periphery of inner casing, and with
Molding shift fork 541 is fixedly connected on shifting block ring 54, and the outer lower casing 2 is sheathed on 54 periphery of shifting block ring；It is set on the driving lever 53
It is equipped with several gearshift slots 532, it is described determine 52 lower end of ratchet and form several and gearshift slot 532 tooth block 521, the utility model
In impact shift mechanism parts it is few, transmit power it is reliable, structure is relatively simple.
The driving lever 53 includes annular body 533 and takes shape in the clicking section of 533 periphery of annular body
531, the annular body 533 is sheathed on 4 periphery of shaft, and is not interlocked with the shaft 4.
The quantity of the gearshift slot 532 is three, is distributed in isosceles triangle；The quantity of the tooth block 521 is three, is in
Isosceles triangle is distributed.The tooth block 521 has an inclined-plane, in order to which the tooth block 521 can leave gearshift slot 532.
54 inner wall of shifting block ring forms interior convex block 543, which is embedded in second set on the inner casing 1
In stroke hole 15.54 periphery of shifting block ring forms several convex blocks 542, which is placed in 2 inner wall of the outer lower casing setting
Stir in slot, to cause the outer lower casing 2 when rotated, the shifting block ring 54 can be driven to rotate.
Described to determine 52 periphery of ratchet and form several cushion blocks 522,55 lower end of the first spring connects with 522 upper surface of cushion block
It touches and compresses.Bearing 12 is additionally provided in the inner casing 1 and is installed on the gasket 13 of 12 lower end of bearing, on first spring 55
End is contacted with 13 lower face of gasket, which is sheathed in the shaft 4.
Impact shift mechanism parts in the utility model are few, and transmission power is reliable, and structure is relatively simple, and cost is relatively low,
Convenient for improving the market competitiveness.In addition, since locking plate 14 is set to 1 upper end of inner casing, it is placed in 3 upper end of outer upper casing,
And outer 3 inner wall of upper casing is provided in the locking groove 31 being adapted to locking plate 14, this structure, which can reach, reduces impact drill entirety
Length can make impact drill be made shorter and smaller, collection easy to carry.
Certainly, the foregoing is merely specific embodiment of the utility model, are not to implement to limit the utility model
Range, all equivalent change or modifications done according to construction, feature and principle described in present utility model application the scope of the claims, should all wrap
It includes in present utility model application the scope of the claims.
Claims (8)
1. the impact gearshift of impact drill, including：Inner casing (1) is sheathed on inner casing (1) and rotatable outer lower casing (2)
With outer upper casing (3), the shaft (4) being installed in inner casing (1) and the impact for being installed in inner casing (1) and being connect with shaft (4)
Shift mechanism (5), it is characterised in that：The impact shift mechanism (5) is including being installed in inner casing (1) and being sheathed on dynamic ratchet
(51), what is be installed below dynamic ratchet (51) by the first spring (55) and be adapted to dynamic ratchet (51) determines ratchet (52), installation
In determining the driving lever (53) of ratchet (52) lower end, be sheathed on the impact shelves spring (57) of shaft (4) lower end and be sheathed on inner casing (1)
The shifting block ring (54) of periphery and the bead gasket (56) with shifting block ring (54) cooperation installation, the clicking section in the driving lever (53)
(531) inner casing (1) periphery is stretched out in across the first stroke hole (11) set on inner casing (1), and with being molded on shifting block ring (54)
Shift fork (541) be fixedly connected, the outer lower casing (2) be sheathed on shifting block ring (54) periphery；The driving lever (53) if on be provided with
Dry gearshift slot (532) is described determine ratchet (52) lower end and form several and gearshift slot (532) tooth block (521).
2. the impact gearshift of impact drill according to claim 1, it is characterised in that：The driving lever (53) includes ring
Shape main body (533) and the clicking section (531) for taking shape in annular body (533) periphery, annular body (533) set
Set on the shaft (4) periphery, and do not interlocked with the shaft (4).
3. the impact gearshift of impact drill according to claim 1, it is characterised in that：Shifting block ring (54) inner wall into
Type has interior convex block (543), in the second stroke hole (15) set on the embedded inner casing (1) of the interior convex block (543).
4. the impact gearshift of impact drill according to claim 1, it is characterised in that：The tooth block (521) has one
Inclined-plane.
5. the impact gearshift of impact drill according to claim 1, it is characterised in that：It is described to determine to surround outside ratchet (52)
Type has several cushion blocks (522), and the first spring (55) lower end contacts and compresses with cushion block (522) upper surface.
6. the impact gearshift of impact drill according to claim 1, it is characterised in that：It is surrounded outside the shifting block ring (54)
Type has several convex blocks (542), which is placed in the stirring in slot of outer lower casing (2) inner wall setting.
7. the impact gearshift of impact drill according to claim 1, it is characterised in that：It is also set up in the inner casing (1)
There is bearing (12) and be installed on the gasket (13) of bearing (12) lower end, the first spring (55) upper end and gasket (13) lower end
Face contacts, which is sheathed in the shaft (4).
8. the impact gearshift of the impact drill according to claim 1-7 any one, it is characterised in that：The inner casing
(1) upper end is fixed with locking plate (14), which forms stop protrusion (141), which puts
In the locking groove (31) of outer upper casing (3) the inner wall setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676240.9U CN207564430U (en) | 2017-12-05 | 2017-12-05 | The impact gearshift of impact drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676240.9U CN207564430U (en) | 2017-12-05 | 2017-12-05 | The impact gearshift of impact drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207564430U true CN207564430U (en) | 2018-07-03 |
Family
ID=62690385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721676240.9U Active CN207564430U (en) | 2017-12-05 | 2017-12-05 | The impact gearshift of impact drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207564430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183098A (en) * | 2021-04-12 | 2021-07-30 | 苏州大可机械有限公司 | Impact drill |
-
2017
- 2017-12-05 CN CN201721676240.9U patent/CN207564430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183098A (en) * | 2021-04-12 | 2021-07-30 | 苏州大可机械有限公司 | Impact drill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201092022Y (en) | Electric tool | |
| CN204146242U (en) | A kind of soft durometer controls ice cream maker | |
| CN207564430U (en) | The impact gearshift of impact drill | |
| CN204127158U (en) | Overrunning clutch | |
| CN204696015U (en) | A kind of air-conditioning knob operating-controlling mechanism | |
| CN208068129U (en) | Double offset ring spanner with ratchet | |
| CN203514958U (en) | Handle installing assembly | |
| CN207124177U (en) | A kind of stacked switch with retarder function | |
| CN204725459U (en) | A kind of function change-over device and multifunction drill | |
| CN104889942A (en) | Function switchover device and multifunctional electric drill | |
| CN201820306U (en) | Mechanical doorbell | |
| CN205194546U (en) | Circuit breaker electric operating mechanism of flat structure | |
| CN202258848U (en) | Handle | |
| CN211167280U (en) | Dead-angle-free transmission device and bicycle | |
| CN209813726U (en) | Electronic accelerator pedal assembly | |
| CN201104454Y (en) | Novel bread machine | |
| CN209946147U (en) | Soil sample is with electronic heavy real appearance transmission structure that hits | |
| CN208177312U (en) | A kind of novel material mixing and blending machine | |
| CN201900996U (en) | Dust keeper of gear operation mechanism | |
| CN107604914B (en) | A kind of water conservancy projects of environmental protection | |
| CN201169996Y (en) | Escape lock conveniently for reversing | |
| CN210909743U (en) | T-shaped inner hexagonal tool | |
| CN209457567U (en) | A kind of handle lock with magnetic drive linkage function | |
| CN208045386U (en) | A kind of automobile stirs press switch structure | |
| CN220490026U (en) | Power output angle detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 201, building 2, 26 Dawei Dongfu Road, Houjie Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan lichen Electromechanical Technology Co.,Ltd. Address before: 505, Jianke building, 27 TIYU Road, Houjie Town, Dongguan City, Guangdong Province, 523000 Patentee before: Dongguan Youchen Electromechanical Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |