CN201082531Y - Torque regulating device for multi-head electric driller - Google Patents
Torque regulating device for multi-head electric driller Download PDFInfo
- Publication number
- CN201082531Y CN201082531Y CNU2007201142698U CN200720114269U CN201082531Y CN 201082531 Y CN201082531 Y CN 201082531Y CN U2007201142698 U CNU2007201142698 U CN U2007201142698U CN 200720114269 U CN200720114269 U CN 200720114269U CN 201082531 Y CN201082531 Y CN 201082531Y
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- China
- Prior art keywords
- clutch shaft
- steel ball
- electric drill
- regulating device
- axle
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- Expired - Lifetime
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a torque adjusting device of a multi-head electric drill. The torque adjusting device comprises a clutch shaft, a screwdriver shaft connected at the front end of the clutch shaft, a screwdriver connected at the front end of the screwdriver shaft, a transmission device arranged between the clutch shaft and the screwdriver shaft, a compression adjusting device arranged on the screwdriver shaft, and a rotation adjusting device arranged at the front end of the compression adjusting device, wherein the transmission device comprises a salience on the front end surface of the clutch shaft, an inclined surface is arranged at one side of the salience, the transmission device also comprises a positioning through hole at the rear end of the screwdriver shaft, a steel ball I is arranged inside the positioning through hole, a cylindrical pin is arranged at the front end of the steel ball I, and the steel ball I is contacted with the inclined surface of the salience. The torque adjusting device can freely adjust the torque of the electric drill screwdriver, and can change the power of the torque through the rotary torque adjusting knob according to the actual condition, thus ensuring the screw to be rotated to the proper position, avoiding the screw from being screwed too deeply or the parts, in which screws, are screwed from being damaged, the operation is simple and convenient, and the screw driving effect is good.
Description
Technical field
The utility model relates to a kind of bull electric drill, relates in particular to a kind of moment regulating device of bull electric drill.
Background technology
The bull electric drill is installed the effect of a rotary screw, in practice, because the kind of screw is very many, different, the material that the installation position of screw and screw screw in also is different, if remove rotary screw with same moment, the screw that can cause does not put in place, and the screw that has screw-in is taken an advanced study very much by the damage of rotary screw part, has brought unnecessary trouble to the operator.
The utility model content
The purpose of this utility model provides a kind of moment regulating device of bull electric drill, can solve the problem that only adopts same moment when the bull electric drill removes rotary screw.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of moment regulating device of bull electric drill, comprise clutch shaft, the tool axle is revolved in the front end connection of described clutch shaft, tool is revolved in described front end connection of revolving the tool axle, it is characterized in that: described clutch shaft and described revolving between the tool axle are provided with transmission device, and the described tool axle that revolves is provided with the compression adjustment device, and described compression adjustment device front end is provided with rotation adjustment device.
Further, described transmission device comprises the projection on the described clutch shaft front end face, and a described protruding side is the inclined-plane, also comprise the described positioning through hole that revolves the tool shaft rear end, be provided with steel ball I in the described positioning through hole, described steel ball I front end is provided with straight pin, and described steel ball I contacts with the inclined-plane of described projection.
Further, described compression adjustment device comprises spring, and the rear end of described spring is provided with pad I, and described pad I contacts with described straight pin, and the front end of described spring is provided with pad II, and described pad II contacts with described rotation adjustment device.
Further, described rotation adjustment device comprises swivel nut, and described swivel nut is provided with external screw thread, also comprises the torque adjusting button, and described torque adjusting button is provided with the internal thread corresponding with described external screw thread.
Further, described swivel nut and described revolving are provided with oiliness bearing I between the tool axle.
Further, described clutch shaft is provided with oiliness bearing II, be provided with steel ball II between described oiliness bearing II front end and the described clutch shaft, described oiliness bearing II rear end is provided with axle and use jump ring, spacing described oiliness bearing II in the described groove that embeds described clutch with jump ring.
The utility model is owing to adopted technique scheme, the moment of can the free adjustment electric drill revolving tool, change the moment size according to actual conditions by the turning moment adjusting knob, screw can be rotated in place, avoid screw to screw in too dark or damage by the generation of rotary screw part, easy and simple to handle, rotary screw is effective.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the utility model moment schematic diagram hour;
Fig. 2 is the schematic diagram of the utility model moment when big;
Fig. 3 partly cuts open figure for clutch shaft in the utility model;
Fig. 4 is the upward view of Fig. 3.
The specific embodiment
As shown in Figure 1, embodiment for the moment regulating device of a kind of bull electric drill of the utility model, comprise clutch shaft 1, clutch shaft 1 rear end is provided with an endoporus 17, described endoporus 17 connects hexagonal axis, hexagonal axis connects power input shaft and drives clutch shaft 1 rotation, clutch shaft 1 rear end is provided with oiliness bearing III18, described oiliness bearing III18 is fixed on the casing, clutch shaft 1 is provided with oiliness bearing II13, be provided with steel ball II14 between described oiliness bearing II13 front end and the described clutch shaft 1, described oiliness bearing II13 rear end is provided with axle jump ring 15, and described axle is with in the groove 16 on the described clutch shaft 1 of jump ring 15 embeddings, because a position-limiting action with jump ring 15, prevented oiliness bearing II13 moving axially on clutch shaft 1, oiliness bearing II13 is only rotated.Tool axle 2 is revolved in described clutch shaft 1 front end connection, described tool axle 2 front ends that revolve connect and to revolve tool 3 and be used for operation, described clutch shaft 1 and described revolving between the tool axle 2 are provided with transmission device, described transmission device comprises two projectioies 11 on described clutch shaft 1 front end face, described protruding 11 1 sides are inclined-plane 12, also comprise the described positioning through hole 21 that revolves tool axle 2 rear ends, be provided with steel ball I22 in the described positioning through hole 21, described steel ball I22 front end is provided with straight pin 23, described steel ball I22 contacts with described protruding 11 inclined-plane 12, and when clutch shaft 1 rotated, inclined-plane 12 drove steel ball I22 and rotates, steel ball I22 drives and revolves 2 rotations of tool axle, thereby realizes transmission process.The described tool axle 2 that revolves is provided with the compression adjustment device, described compression adjustment device comprises spring 4, the rear end of described spring 4 is provided with pad I41, described pad I41 contacts with described straight pin 23, the front end of described spring 4 is provided with pad II42, described pad II42 contacts with described rotation adjustment device, described rotation adjustment device comprises swivel nut 5, described swivel nut 5 is provided with external screw thread, also comprises torque adjusting button 6, and described torque adjusting button 6 is provided with the internal thread corresponding with described external screw thread, described swivel nut 5 and described revolving are provided with oiliness bearing I7 between the tool axle 2, when clutch shaft rotated, steel ball I22 was positioned on the described inclined-plane 12, made to revolve tool axle 2 and be subjected to downward power, this moment, spring 4 was compressed, when revolving tool axle 2 and be subjected to power that the downward pressure of clutch shaft 1 and spring 4 make progress and reach balance, it is static to revolve tool axle 2, no longer moves axially.
When needs are regulated moment, can carry out left torque adjusting button 6 or to the right rotation is regulated according to actual conditions.When needs reduce moment, torque adjusting button 6 is rotated swivel nut 5 is moved down, as shown in Figure 1, this moment, compressed spring 4 had a certain amount of answer, make that revolve the power that tool axle 2 is subjected to spring 4 reduces, trace is mobile downwards to make steel ball I22 and straight pin 23, final make that revolving on steel ball I22 and the clutch shaft 1 on the tool axle 2 protruding 11 inclined-plane 12 contacts area diminishes, steel ball I22 just 12 slips over from the inclined-plane easily like this, make that revolving tool axle 2 skids easily, thereby the power of revolving 2 work of tool axle is diminished, reduced moment; In like manner torque adjusting button 6 being carried out the rightabout rotation moves up swivel nut 5, as shown in Figure 2, inclined-plane 12 contacts area of revolving projection 11 on steel ball I22 on the tool axle 2 and the clutch shaft 1 become big, contact tightr, steel ball I22 just is not easy from the inclined-plane 12 and slips over like this, make the power of revolving 2 work of tool axle become big, increased moment, thereby played the effect of regulating moment by turning moment adjusting knob 6.
Claims (6)
1. the moment regulating device of a bull electric drill, comprise clutch shaft (1), tool axle (2) is revolved in the front end connection of described clutch shaft (1), tool (3) is revolved in described front end connection of revolving tool axle (2), it is characterized in that: described clutch shaft (1) and described revolving between the tool axle (2) are provided with transmission device, the described tool axle (2) that revolves is provided with the compression adjustment device, and described compression adjustment device front end is provided with rotation adjustment device.
2. the moment regulating device of bull electric drill according to claim 1, it is characterized in that: described transmission device comprises the projection (11) on described clutch shaft (1) front end face, described projection (11) one sides are inclined-plane (12), also comprise the described positioning through hole (21) that revolves tool axle (2) rear end, be provided with steel ball I (22) in the described positioning through hole (21), described steel ball I (22) front end is provided with straight pin (23), and described steel ball I (22) contacts with the inclined-plane (12) of described projection (11).
3. the moment regulating device of bull electric drill according to claim 1, it is characterized in that: described compression adjustment device comprises spring (4), the rear end of described spring (4) is provided with pad I (41), described pad I (41) contacts with described straight pin (23), the front end of described spring (4) is provided with pad II (42), and described pad II (42) contacts with described rotation adjustment device.
4. the moment regulating device of bull electric drill according to claim 1, it is characterized in that: described rotation adjustment device comprises swivel nut (5), described swivel nut (5) is provided with external screw thread, also comprise torque adjusting button (6), described torque adjusting button (6) is provided with the internal thread corresponding with described external screw thread.
5. the moment regulating device of bull electric drill according to claim 4 is characterized in that: described swivel nut (5) and described revolving are provided with oiliness bearing I (7) between the tool axle (2).
6. the moment regulating device of bull electric drill according to claim 1, it is characterized in that: described clutch shaft (1) is provided with oiliness bearing II (13), be provided with steel ball II (14) between described oiliness bearing II (13) front end and the described clutch shaft (1), described oiliness bearing II (13) rear end is provided with axle with a jump ring (15), and described axle embeds spacing described oiliness bearing II (13) in the groove (16) of described clutch shaft (1) with jump ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201142698U CN201082531Y (en) | 2007-09-05 | 2007-09-05 | Torque regulating device for multi-head electric driller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201142698U CN201082531Y (en) | 2007-09-05 | 2007-09-05 | Torque regulating device for multi-head electric driller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201082531Y true CN201082531Y (en) | 2008-07-09 |
Family
ID=39624997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201142698U Expired - Lifetime CN201082531Y (en) | 2007-09-05 | 2007-09-05 | Torque regulating device for multi-head electric driller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201082531Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500263A (en) * | 2015-12-31 | 2016-04-20 | 宁波中旺工具有限公司 | Electric screw driver with adjustable output torque |
| CN115990754A (en) * | 2021-10-20 | 2023-04-21 | 成都极米科技股份有限公司 | Screw locking auxiliary mechanism and screw locking device adopting same |
-
2007
- 2007-09-05 CN CNU2007201142698U patent/CN201082531Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500263A (en) * | 2015-12-31 | 2016-04-20 | 宁波中旺工具有限公司 | Electric screw driver with adjustable output torque |
| CN115990754A (en) * | 2021-10-20 | 2023-04-21 | 成都极米科技股份有限公司 | Screw locking auxiliary mechanism and screw locking device adopting same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Tongda Electrical Appliance Co., Ltd. Assignor: Zhang Qinye Contract fulfillment period: 2009.7.1 to 2015.11.1 Contract record no.: 2009330002029 Denomination of utility model: Torque regulating device for multi-head electric driller Granted publication date: 20080709 License type: Exclusive license Record date: 20090818 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.1 TO 2015.11.1; CHANGE OF CONTRACT Name of requester: ZHEJIANG TONGDA ELECTRICAL APPLIANCE CO.,LTD. Effective date: 20090818 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |
|
| CX01 | Expiry of patent term |