CN109719666A - More size electric screw drivers - Google Patents
More size electric screw drivers Download PDFInfo
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- CN109719666A CN109719666A CN201811621039.XA CN201811621039A CN109719666A CN 109719666 A CN109719666 A CN 109719666A CN 201811621039 A CN201811621039 A CN 201811621039A CN 109719666 A CN109719666 A CN 109719666A
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- sensitive
- pressure
- tool post
- regulating tank
- motor
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Abstract
The present invention relates to a kind of more size electric screw drivers, this more size electric screw driver includes handle, drive rod and cutter head, offers regulating tank in the front end of drive rod, and cushion chamber is arranged in the regulating tank, and cushion chamber is connected by diversion pipe with a strain chamber；Motor-operated control valve is provided in the diversion pipe；It is close to the strain chamber and is provided with the driving column parallel with transmission rod axis, the lower end of driving column is provided with pressure-sensitive；Each pressure-sensitive is electrically connected with the motor-operated control valve；Bearing web plate is fixedly installed in the regulating tank, each pressure-sensitive is exposed from mesh；The other side of bearing web plate is provided with tool post, is fixed with the conductive post that face size is less than mesh, the lower end wedgewise face of each tool post, each conductive post and pressure-sensitive matched face one by one in the upper end of each tool post；More size power driven screwdriver bits are not easy to lose for this, are scattered, convenient for collecting；Maintenance efficiency can be effectively improved according to the difference of screw size, the size of adjust automatically cutter head.
Description
Technical field
The present invention relates to a kind of hardware tools, are a kind of screwdrivers particularly.
Background technique
Screwdriver is a kind of common hardware tool, according to the difference of screw size, screwdriver equipped with size not
One a whole set of cutter head, in use, selecting different screwdrivers according to different screw sizes；With advances in technology, electronic
Screwdriver starts to popularize, and then repairs master worker and is not necessarily to carry the screwdriver of various sizes, and need to only carry electronic knife handle and a box
Interchangeable cutter head；This undoubtedly facilitates the carrying of screwdriver, is effectively reduced the work load of maintenance master worker；But
When in face of complicated repair and maintaining, various types of screwdrivers are assembled on a components, there is still a need for constantly more by maintenance master worker
Tool changing head, operation is relatively complicated, influences maintenance efficiency；In addition, some screws are after twisting repeatedly, screw top and cutter head
Different degrees of deformation can occur for the cutter groove matched, and be difficult effectively to twist it at this time corresponding cutter head, need at this time
The cutter head for selecting bigger or small No.1, is attempted repeatedly, can also drag slow maintenance progress.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of more size electric screw drivers, more size electric screwdriver structures are new
Grain husk, principle are unique, compact, easy to carry, and cutter head is not easy to lose, is scattered, convenient for collecting；It can be according to screw size not
Together, the size of adjust automatically cutter head removes from and the operation such as replaces cutter head repeatedly, attempts different sizes, effectively improves maintenance efficiency.
To solve the above problems, the technical scheme adopted by the invention is that: this more size electric screw driver include handle,
The tail end of drive rod and cutter head, drive rod is detachably arranged on handle；
The regulating tank axially extending along drive rod is offered in the front end of drive rod, setting is flexible in the bottom of the regulating tank
The cushion chamber that material is made into, the cushion chamber are connected by diversion pipe with a strain chamber；The strain chamber is arranged in securing plate
On；Motor-operated control valve is provided in the diversion pipe, motor-operated control valve is electrically connected with the power supply；In strain chamber and buffer intracavitary
Filled with adjusting liquid；
It is close to the strain chamber to be provided with and be driven the parallel driving column of rod axis, each driving column laid out in parallel snugly into each other,
The upper end of each driving column resists strain chamber, and the lower end of driving column is provided with pressure-sensitive；Each pressure-sensitive and the motor-operated control valve
It is electrically connected；The quantity of pressure-sensitive compression and the time that motor-operated control valve is opened are proportional；It is electronic and when not being pressurized for pressure-sensitive
Control valve is in the open state；
Bearing web plate is fixedly installed in the regulating tank, the lower end of each mesh for supporting web plate and driving column face one by one
Match, the side-strut for supporting web plate holds the edge of each driving column, and each pressure-sensitive is exposed from mesh；
The other side of bearing web plate is provided with that matched tool post, each tool post laid out in parallel snugly into each other exist one by one with driving column
In regulating tank, the upper end of tool post is protruded into regulating tank, and lower end is stretched out from regulating tank；Being provided in the inner wall of regulating tank prevents tool post
The anti-slop serrations of slippage, each tool post can only reciprocatingly slide along the axis of drive rod；
The conductive post that face size is less than mesh, the lower end wedgewise face of each tool post, screwdriver are fixed in the upper end of each tool post
When placing naturally, each lozenges is combined into complete cutter head, each conductive post and pressure-sensitive matched face one by one.
The beneficial effects of the present invention are: screwdriver when placing naturally, each lozenges is combined into complete cutter head, the cutter head
Front end it is flat thin, rear end is thick thick；Front end can extend into the cutter groove of small size screw, and rear end can extend into the knife of large scale screw
In slot；The cushion chamber that elastic material is made into will adjust it is hydraulic enter to strain in chamber, then the lower end of each driving column is against bearing web plate
On；
When in use, cutter head is inserted into cutter groove by user, and is firmly pressed and twisted；After the tool post contacted with cutter groove face is oppressed
Pressure-sensitive of face therewith is transmitted the force to, the of short duration opening of motor-operated control valve will be activated after pressure-sensitive compression；Tool post is extruded
It is sliding, strain chamber is squeezed and deformed after conductive post, driving column transmitting, the intracavitary liquid that adjusts then is strained and passes through the electronic control of opening
Valve processed flows into cushion chamber, and cushion chamber expansion becomes larger.
When more size electric screw drivers are twisted in user's pressing, each tool post successively contacts screw and is caught in cutter groove, until knife
Slot is filled full by tool post；When cutter groove is filled full, cutter groove is contacted without more tool posts, then the pressure-sensitive number being squeezed
Amount is not further added by, and motor-operated control valve is closed at this time, is strained intracavitary volume and is fixed；The cutter head of this more size electric screw driver at this time
With the close occlusal contact condition of cutter groove, user can be turned screw by twisting handle；Active force between screw and cutter head passes through
Tool post, conductive post, driving column, strain chamber transmitting, finally by securing plate, drive rod and handle stress.
After use, the pressure that cutter head is subject to is revoked, and each at this time pressure-sensitive pressure being subject to disappears, then electronic
Control valve is opened, the cushion chamber that elastic material is made into will adjust it is hydraulic enter to strain in chamber, strain chamber restores to the original state, and each driving column is multiple
Position.
To sum up, more size electric screw drivers in the present invention can adapt to the screw of various sizes automatically, according on screw
The difference of cutter groove automatically adjusts cutter head and tool post, guarantees that cutter head is closely engaged with cutter groove, user is facilitated to turn screw；Use this
It no longer needs to replace various sizes of screwdriver when more size electric screw drivers, eliminates cumbersome adjustment process, can allow maintenance
Operation is more efficient, faster；The delicate structure of this more size electric screw driver, occupies little space, facilitates the storage, while energy
The problem that traditional cutter head is inconvenient to carry, easy to be lost is enough avoided, usage experience is effectively improved.
Preferably, being provided with driving motor in the handle, the drive shaft and drive rod of the driving motor are removable
Unload connection；The structure can be realized the electronic of screwdriver and twist, and further increase automation, the intelligence of screwdriver.
Preferably, elasticity layer is arranged between conductive post and pressure-sensitive；In order to reduce pressure-sensitive abrasion.
Detailed description of the invention
Fig. 1 is cross section structure schematic diagram of this more size electric screw driver one embodiment when placing.
Fig. 2 is the cross section structure schematic diagram of embodiment illustrated in fig. 1 when in use.
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A.
Specific embodiment
Embodiment:
In Fig. 1 into embodiment shown in Fig. 3, this more size electric screw driver includes handle 1, drive rod 2 and cutter head, in institute
It states and is provided with driving motor in handle 1, drive shaft and the drive rod 2 of the driving motor are detachably connected；
The regulating tank 21 axially extending along drive rod 2 is offered in the front end of drive rod 2, is arranged in the bottom of the regulating tank 21
The cushion chamber 3 that resilient material is made into, the cushion chamber 3 are connected by diversion pipe with a strain chamber 4；The strain chamber 4 is set
It sets in securing plate 22；Motor-operated control valve 5 is provided in the diversion pipe, motor-operated control valve 5 is electrically connected with the power supply；It is answering
Become in chamber 4 and cushion chamber 3 filled with adjusting liquid；
It is close to the strain chamber 4 and is provided with the driving column 6 parallel with 2 axis of drive rod, each driving column 6 row arranged side by side snugly into each other
Cloth, the upper end of each driving column 6 resist strain chamber 4, the lower end of driving column 6 are provided with pressure-sensitive 61；Each pressure-sensitive 61 with it is described
Motor-operated control valve 5 is electrically connected；The quantity of pressure-sensitive 61 compression and the time that motor-operated control valve 5 is opened are proportional；And when pressure-sensitive
When piece 61 is not pressurized, motor-operated control valve 5 is in the open state；
Bearing web plate 23, the lower end one of each mesh for supporting web plate 23 and driving column 6 are fixedly installed in the regulating tank 21
The side-strut of the matching of one face, bearing web plate 23 holds the edge of each driving column 6, and each pressure-sensitive 61 is exposed from mesh；
It is provided with and the matched tool post 7 one by one of driving column 6, snugly into each other arranged side by side of each tool post 7 in the other side of bearing web plate 23
It is arranged in regulating tank 21, the upper end of tool post 7 is protruded into regulating tank 21, and lower end is stretched out from regulating tank 21；In regulating tank 21
Wall is provided with the anti-slop serrations for preventing tool post 7 from slipping, and each tool post 7 can only reciprocatingly slide along the axis of drive rod 2；
It is fixed with the conductive post 71 that face size is less than mesh in the upper end of each tool post 7, the lower end wedgewise face of each tool post 7 is more
When size electric screw driver is placed naturally, each lozenges is combined into complete cutter head, each conductive post 71 with pressure-sensitive 61 one by one
The face matched；Elasticity layer is set between conductive post 71 and pressure-sensitive 61.
For more size electric screw drivers when placing naturally, each lozenges is combined into complete cutter head, and the front end of the cutter head is flat
Carefully, rear end is thick thick；Front end can extend into the cutter groove of small size screw, and rear end can extend into the cutter groove of large scale screw；Bullet
Property the cushion chamber 3 that is made into of material will adjust it is hydraulic enter to strain in chamber 4, then the lower end of each driving column 6 is against on bearing web plate 23；
When in use, cutter head is inserted into cutter groove by user, and is firmly pressed and twisted；The tool post 7 contacted with cutter groove face is oppressed
Pressure-sensitive 61 of face therewith is transmitted the force to afterwards, and the of short duration opening of motor-operated control valve 5 will be activated after pressure-sensitive 61 compression；Tool post 7
It is extruded cunning, is squeezed and deformed strain chamber 4 after conductive post 71, driving column 6 transmit, the adjusting liquid then strained in chamber 4 is logical
It crosses open motor-operated control valve 5 to flow into cushion chamber 3, the expansion of cushion chamber 3 becomes larger.
When screwdriver is twisted in user's pressing, each tool post 7 successively contacts screw and is caught in cutter groove, until cutter groove is by tool post 7
Filling is full；When cutter groove is filled full, cutter groove is contacted without more tool posts 7, then pressure-sensitive 61 quantity being squeezed is not
It is further added by, motor-operated control valve 5 is closed at this time, and the volume strained in chamber 4 is fixed；The cutter head of this screwdriver is closely stung with cutter groove at this time
Splice grafting touching, user can be turned screw by twisting handle 1；Active force between screw and cutter head passes through tool post 7, conduction
Column 71, driving column 6, strain chamber 4 transmit, finally by 1 stress of securing plate 22, drive rod 2 and handle.
After use, the pressure that cutter head is subject to is revoked, and each at this time pressure-sensitive 61 pressure being subject to disappears, then electric
Dynamic control valve 5 is opened, the cushion chamber 3 that elastic material is made into will adjust it is hydraulic enter to strain in chamber 4, strain chamber 4 restores to the original state, each to pass
Dynamic column 6 resets.
To sum up, screwdriver no replacement is required the cutter head in the present invention, can adapt to the screw of various sizes, the structure energy automatically
Enough differences according to screw upper knife groove, the flexible and quantity of automatic adjustment tool post 7, and then change the size of cutter head, guarantee cutter head
It is closely engaged with cutter groove, user is facilitated to turn screw；It no longer needs to replace various sizes of cutter head when using the screwdriver, eliminate
Cumbersome adjustment process can allow maintenance activity more efficient, faster；The delicate structure of this screwdriver, occupies little space, convenient
Transportation, while can be avoided the problem that traditional cutter head is inconvenient to carry, easy to be lost, effectively improve usage experience；In this implementation
In example, the screwdriver for being equipped with driving motor structure can be realized twists automatically, further improves the intelligence of screwdriver
And automation, effectively improve maintenance efficiency.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of more size electric screw drivers, this more size electric screw driver includes handle (1), drive rod (2) and cutter head, is passed
The tail end of lever (2) is detachably arranged on handle (1)；It is characterized by: offering in the front end of drive rod (2) along transmission
The axially extending regulating tank (21) of bar (2), the cushion chamber that setting resilient material is made into the bottom of the regulating tank (21)
(3), the cushion chamber (3) is connected by diversion pipe with a strain chamber (4)；The strain chamber (4) is arranged in securing plate (22)
On；It is provided in the diversion pipe motor-operated control valve (5), motor-operated control valve (5) is electrically connected with the power supply；In strain chamber (4)
Liquid is adjusted with being filled in cushion chamber (3)；It is close to the strain chamber (4) and is provided with the driving column parallel with drive rod (2) axis
(6), each driving column (6) laid out in parallel snugly into each other, the upper end of each driving column (6) resists strain chamber (4), in driving column (6)
Lower end be provided with pressure-sensitive (61)；Each pressure-sensitive (61) and the motor-operated control valve (5) are electrically connected；Pressure-sensitive (61) compression
Time for opening of quantity and motor-operated control valve (5) it is proportional；And when pressure-sensitive (61) are not pressurized, at motor-operated control valve (5)
In opening state；It is fixedly installed bearing web plate (23) in the regulating tank (21), respectively supports the mesh and biography of web plate (23)
Face matches one by one for the lower end of dynamic column (6), and the side-strut of bearing web plate (23) holds the edge of each driving column (6), and each pressure-sensitive
(61) expose from mesh；The other side of bearing web plate (23) be provided with driving column (6) matched tool post (7) one by one, respectively
Tool post (7) laid out in parallel snugly into each other in regulating tank (21), protrude into regulating tank (21) by the upper end of tool post (7), lower end from
Regulating tank (21) stretches out；The anti-slop serrations for preventing tool post (7) from slipping are provided in the inner wall of regulating tank (21), each tool post (7) is only capable of
Enough axis along drive rod (2) reciprocatingly slide；The conductive post that face size is less than mesh is fixed in the upper end of each tool post (7)
(71), the lower end wedgewise face of each tool post (7), when screwdriver is placed naturally, each lozenges is combined into complete cutter head, each to conduct
Column (71) and pressure-sensitive (61) matched face one by one.
2. more size electric screw drivers according to claim 1, it is characterised in that: be provided with drive in the handle (1)
Dynamic motor, drive shaft and the drive rod (2) of the driving motor are detachably connected.
3. more size electric screw drivers according to claim 1 or 2, it is characterised in that: in conductive post (71) and pressure-sensitive
(61) elasticity layer is set between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621039.XA CN109719666B (en) | 2018-12-28 | 2018-12-28 | Multi-size electric screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621039.XA CN109719666B (en) | 2018-12-28 | 2018-12-28 | Multi-size electric screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109719666A true CN109719666A (en) | 2019-05-07 |
| CN109719666B CN109719666B (en) | 2021-05-28 |
Family
ID=66297442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811621039.XA Active CN109719666B (en) | 2018-12-28 | 2018-12-28 | Multi-size electric screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109719666B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1453176A (en) * | 1921-03-18 | 1923-04-24 | Perrine Lester | Compensating jaw for chucks and the like |
| US3698267A (en) * | 1970-12-18 | 1972-10-17 | Jon R Denney | Fastener actuator |
| US20050082731A1 (en) * | 2003-08-22 | 2005-04-21 | John Moore | Work piece holding arrangement |
| CN101670570A (en) * | 2009-09-25 | 2010-03-17 | 曾洪峰 | Multi-functional screwdriver with transformable head |
| CN102581801A (en) * | 2011-07-05 | 2012-07-18 | 苏州斑马工业设计有限公司 | Universal screwdriver |
| CN105856137A (en) * | 2016-06-20 | 2016-08-17 | 湖州职业技术学院 | Cross/slotted multi-purpose screwdriver |
| CN206169953U (en) * | 2016-11-21 | 2017-05-17 | 四川建筑职业技术学院 | Screwdriver of screw terminal of adaptable different grade type and size |
| US20170266789A1 (en) * | 2016-03-01 | 2017-09-21 | Alexander Berman | Universal tools |
-
2018
- 2018-12-28 CN CN201811621039.XA patent/CN109719666B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1453176A (en) * | 1921-03-18 | 1923-04-24 | Perrine Lester | Compensating jaw for chucks and the like |
| US3698267A (en) * | 1970-12-18 | 1972-10-17 | Jon R Denney | Fastener actuator |
| US20050082731A1 (en) * | 2003-08-22 | 2005-04-21 | John Moore | Work piece holding arrangement |
| CN101670570A (en) * | 2009-09-25 | 2010-03-17 | 曾洪峰 | Multi-functional screwdriver with transformable head |
| CN102581801A (en) * | 2011-07-05 | 2012-07-18 | 苏州斑马工业设计有限公司 | Universal screwdriver |
| US20170266789A1 (en) * | 2016-03-01 | 2017-09-21 | Alexander Berman | Universal tools |
| CN105856137A (en) * | 2016-06-20 | 2016-08-17 | 湖州职业技术学院 | Cross/slotted multi-purpose screwdriver |
| CN206169953U (en) * | 2016-11-21 | 2017-05-17 | 四川建筑职业技术学院 | Screwdriver of screw terminal of adaptable different grade type and size |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109719666B (en) | 2021-05-28 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Huaguang Inventor after: Jin Taiyong Inventor after: Qian Yuezhen Inventor before: Qian Yuezhen |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210511 Address after: Floor 1, building 11, Songshan Industrial Zone, diegang community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen kaihongxin Electronic Technology Co.,Ltd. Address before: 215000 villager committee of Nan Yang village, Ping Wang Town, Wujiang District, Suzhou, Jiangsu Applicant before: Qian Yuezhen |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |