CN203918890U - A kind of bidirectional rotation lever power-assisted screwdriver - Google Patents

A kind of bidirectional rotation lever power-assisted screwdriver Download PDF

Info

Publication number
CN203918890U
CN203918890U CN201420323485.3U CN201420323485U CN203918890U CN 203918890 U CN203918890 U CN 203918890U CN 201420323485 U CN201420323485 U CN 201420323485U CN 203918890 U CN203918890 U CN 203918890U
Authority
CN
China
Prior art keywords
latch
lever
thimble
knife bar
cutter head
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
Application number
CN201420323485.3U
Other languages
Chinese (zh)
Inventor
董晓宁
陈鑫珠
李文杨
张晓佩
高承芳
刘远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Animal Husbandry and Veterinary of Fujian Academy of Agricultural Sciences
Original Assignee
Institute of Animal Husbandry and Veterinary of Fujian Academy of Agricultural Sciences
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Animal Husbandry and Veterinary of Fujian Academy of Agricultural Sciences filed Critical Institute of Animal Husbandry and Veterinary of Fujian Academy of Agricultural Sciences
Priority to CN201420323485.3U priority Critical patent/CN203918890U/en
Application granted granted Critical
Publication of CN203918890U publication Critical patent/CN203918890U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a kind of bidirectional rotation lever power-assisted screwdriver, comprise lever, on described lever, be embedded with sleeve pipe, in described sleeve pipe, two ends are provided with bearing, described bearing inner sleeve is provided with knife bar, the top of described knife bar contacts with lever by a rotation decorative pearl on top of an official cap, on the shaft of described knife bar, is provided with latch.Described latch comprises the lower latch that upper latch that teeth directional counterclockwise tilts and teeth directional tilt clockwise, the other end of described knife bar is provided with square opening, in described square opening, be provided with the cutter head of rotary screw, described latch is arranged with lever body outward, described lever body comprises driving lever and latch cover, described latch cover is enclosed within on latch, on the sidewall of described latch cover, be provided with change-over switch, described change-over switch comprises pushing block, the upper thimble contacting with upper latch, the lower thimble contacting with lower latch, this screwdriver is easy to use laborsaving, simple in structure, can bidirectional rotation screw.

Description

A kind of bidirectional rotation lever power-assisted screwdriver
Technical field
The utility model relates to a kind of bidirectional rotation lever power-assisted screwdriver.
Background technology
Screwdriver is to be a kind ofly used for twisting screw to force its instrument in place, mainly contains two kinds of a word and crosses, and common also have hex(agonal)screw cutter, comprises two kinds of interior hexagonal and outer-hexagonals.The kind of screwdriver has normal screws cutter, combination type screwdriver, electric screw driver, clock and watch bottle opener and little Buddha's warrior attendant screwdriver.From its planform, conventionally there is straight shape, L shaped and T shape is several.The invention of screwdriver and use, bring great convenience to people, but conventional screwdriver also has certain limitation and weak point, use common screwdriver and combination type screwdriver the turn of the screw sometimes also not light, while particularly running into the screw getting rusty, spent very great strength also not necessarily to twist to such an extent that open, and while twisting wood screw, particularly run into hard timber, twist especially hard, long-time continuous the turn of the screw cutter, the acid of hand pain arm, very arduous, sometimes can back-out on hand bubble and bleeding blister.The art of this patent is to invent a kind of to be laborsaving efficient New-type screw driver again, conventional screwdriver is carried out to innovative form transformation, brings larger convenience and benefit to people's live and work.
Utility model content
The problem that the utility model exists for above-mentioned prior art is made improvement, and technical problem to be solved in the utility model is to provide a kind of bidirectional rotation lever power-assisted screwdriver, easy to use laborsaving, simple in structure, can bidirectional rotation screw.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of bidirectional rotation lever power-assisted screwdriver comprises lever, on described lever, be embedded with sleeve pipe, in described sleeve pipe, two ends are provided with bearing, described bearing inner sleeve is provided with knife bar, the top of described knife bar contacts with lever by a rotation decorative pearl on top of an official cap, on the shaft of described knife bar, is provided with latch.Described latch comprises the lower latch that upper latch that teeth directional counterclockwise tilts and teeth directional tilt clockwise, the other end of described knife bar is provided with square opening, in described square opening, be provided with the cutter head of rotary screw, described latch is arranged with lever body outward, described lever body comprises driving lever and is connected to the latch cover of driving lever one end, described latch cover is enclosed within on latch, on the sidewall of described latch cover, be provided with change-over switch, described change-over switch comprises pushing block, the upper thimble contacting with upper latch, the lower thimble contacting with lower latch, on described pushing block, be provided with two slopes that oppositely arrange, on described slope, be provided with the stroke groove that width is less than thimble, one end of described upper thimble and lower thimble is slope and latch phase contact, the other end of described upper thimble and lower thimble is connected with respectively spring, the other end of described spring is connected to latch and puts, described upper thimble and lower thimble are separately positioned on two slopes, to a side, promote pushing block, upper thimble and upper latch contact, lower thimble and lower latch disengage, to opposite side, promote pushing block, upper thimble and upper latch disengage, lower thimble contacts with lower latch.
Further, the bottom of described square opening is provided with the magnetic patch of absorption cutter head.
Further, described cutter head comprises a word, cross or hexagonal cutter head.
Further, described lever is hemispherical, and its edge is circular-arc.
Compared with prior art, the utlity model has following beneficial effect:
1, easily laborsaving, operating efficiency is high, and driving lever can load and unload flexibly, unloads driving lever while twisting more loose screw, and finger reverses latch cover, easily fast, loads onto driving lever while twisting tighter screw, comes and goes pushing driving lever, strong and powerful;
2, super strong functional, can turn on the screw that conventional screwdriver cannot be turned on easily;
3, one screwdriver, and multiple screws can be twisted;
4, cost performance is high, inexpensive;
5, rational in infrastructure, durable in use.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the utility model embodiment.
Fig. 2 is the organigram of pushing block in the utility model embodiment.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is A-A cutaway view in Fig. 3.
In figure: 1-lever, 11-sleeve pipe, 12-bearing, 13-rotates the decorative pearl on top of an official cap, 2-knife bar, 21-cutter head, 22-magnetic patch, 23-latch, 3-lever body, 31-latch cover, 4-change-over switch, 41-slope, thimble under 42-, 43-spring, 44-stroke groove, the upper thimble of 45-.
The specific embodiment
Embodiment mono-: as shown in Fig. 1 ~ 4, a kind of bidirectional rotation lever power-assisted screwdriver, comprise lever 1, on described lever 1, be embedded with sleeve pipe 11, the interior two ends of described sleeve pipe 11 are provided with bearing 12, in described bearing 12, be arranged with knife bar 2, the top of described knife bar 2 contacts with lever 1 by a rotation decorative pearl on top of an official cap 13, is provided with latch 23 on the shaft of described knife bar 2.Described latch 23 comprises the lower latch that upper latch that teeth directional counterclockwise tilts and teeth directional tilt clockwise, the other end of described knife bar 2 is provided with square opening, in described square opening, be provided with the cutter head 21 of rotary screw, the outer lever body 3 that is arranged with of described latch 23, described lever body 3 comprises driving lever and latch cover 31, described latch cover 31 is enclosed within on latch, on the sidewall of described latch cover 31, be provided with change-over switch 4, described change-over switch 4 comprises pushing block, the upper thimble 45 contacting with upper latch, the lower thimble 42 contacting with lower latch, on described pushing block, be provided with two slopes 41 that oppositely arrange, on described slope 41, be provided with the stroke groove 44 that width is less than thimble, one end of described upper thimble 45 and lower thimble 42 is slope and latch 23 phase contacts, the other end of described upper thimble 45 and lower thimble 42 is connected with respectively spring 43, the other end of described spring 43 is connected on latch cover 31, described upper thimble 45 and lower thimble 42 are separately positioned on two slopes 41, to a side, promote pushing block, upper thimble 45 and upper latch contact, lower thimble 42 disengages with lower latch, to opposite side, promote pushing block, upper thimble and upper latch disengage, lower thimble contacts with lower latch.
In the present embodiment, for preventing that cutter head from dropping, the bottom of described square opening is provided with the magnetic patch 22 of absorption cutter head 21.
In the present embodiment, for adapting to different screws, the cutter head that described cutter head 21 is replaceable different size, described cutter head comprises the cutter head of a word, cross, hexagonal cutter head or other shapes.
In the present embodiment, described lever 1 is hemispherical, and its edge is circular-arc.
During use, more finish changing on demand cutter head, cutter head withstands after screw, promote change-over switch, under the effect of two reverse slope of pushing block, change-over switch moves forward and backward one of them thimble of control and latch coincide, and another one thimble separates with latch, and the spring of thimble bottom plays traction thimble toward the effect of moving away from latch direction.Change-over switch moves forward, and lower thimble 42 separates with lower latch, and upper thimble 45 coincide with upper latch, and during clockwise switch driving lever, knife bar and cutter head turn clockwise, and during counterclockwise switch driving lever, knife bar and cutter head do not turn.Change-over switch moves backward, upper thimble 45 separates with upper latch, lower thimble 42 coincide with lower latch, during counterclockwise switch driving lever, knife bar and cutter head are rotated counterclockwise, during clockwise switch driving lever, knife bar and cutter head do not turn, by mobile change-over switch, promptly lever, withstands screw, come and go continuously switch driving lever, just completed like a cork twisting (tightly) above and twisting under (pine) of screw.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (4)

1. a bidirectional rotation lever power-assisted screwdriver, it is characterized in that: comprise lever, on described lever, be embedded with sleeve pipe, in described sleeve pipe, two ends are provided with bearing, described bearing inner sleeve is provided with knife bar, the top of described knife bar contacts with lever by a rotation decorative pearl on top of an official cap, on the shaft of described knife bar, is provided with latch ,described latch comprises the lower latch that upper latch that teeth directional counterclockwise tilts and teeth directional tilt clockwise, the other end of described knife bar is provided with square opening, in described square opening, be provided with the cutter head of rotary screw, described latch is arranged with lever body outward, described lever body comprises driving lever and is connected to the latch cover of driving lever one end, described latch cover is enclosed within on latch, on the sidewall of described latch cover, be provided with change-over switch, described change-over switch comprises pushing block, the upper thimble contacting with upper latch, the lower thimble contacting with lower latch, on described pushing block, be provided with two slopes that oppositely arrange, on described slope, be provided with the stroke groove that width is less than thimble, one end of described upper thimble and lower thimble is slope and latch phase contact, the other end of described upper thimble and lower thimble is connected with respectively spring, the other end of described spring is connected to latch and puts, described upper thimble and lower thimble are separately positioned on two slopes, to a side, promote pushing block, upper thimble and upper latch contact, lower thimble and lower latch disengage, to opposite side, promote pushing block, upper thimble and upper latch disengage, lower thimble contacts with lower latch.
2. bidirectional rotation lever power-assisted screwdriver according to claim 1, is characterized in that: the bottom of described square opening is provided with the magnetic patch of absorption cutter head.
3. bidirectional rotation lever power-assisted screwdriver according to claim 1, is characterized in that: described cutter head comprises a word, cross or hexagonal cutter head.
4. bidirectional rotation lever power-assisted screwdriver according to claim 1, is characterized in that: described lever is hemispherical, and its edge is circular-arc.
CN201420323485.3U 2014-06-18 2014-06-18 A kind of bidirectional rotation lever power-assisted screwdriver Expired - Fee Related CN203918890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420323485.3U CN203918890U (en) 2014-06-18 2014-06-18 A kind of bidirectional rotation lever power-assisted screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420323485.3U CN203918890U (en) 2014-06-18 2014-06-18 A kind of bidirectional rotation lever power-assisted screwdriver

Publications (1)

Publication Number Publication Date
CN203918890U true CN203918890U (en) 2014-11-05

Family

ID=51814765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420323485.3U Expired - Fee Related CN203918890U (en) 2014-06-18 2014-06-18 A kind of bidirectional rotation lever power-assisted screwdriver

Country Status (1)

Country Link
CN (1) CN203918890U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106272201A (en) * 2015-06-10 2017-01-04 郭欢 Manual rotating screwdriver
CN107984420A (en) * 2017-12-18 2018-05-04 山东鲁圣电气设备有限公司 A kind of screwdriver of for transformer tap switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106272201A (en) * 2015-06-10 2017-01-04 郭欢 Manual rotating screwdriver
CN107984420A (en) * 2017-12-18 2018-05-04 山东鲁圣电气设备有限公司 A kind of screwdriver of for transformer tap switch
CN107984420B (en) * 2017-12-18 2019-10-18 山东鲁圣电气设备有限公司 A kind of screwdriver of for transformer tap switch

Similar Documents

Publication Publication Date Title
CN203918890U (en) A kind of bidirectional rotation lever power-assisted screwdriver
CN203438134U (en) Screw driver
CN205111706U (en) Multi -purpose bottle opener
CN201960494U (en) Novel ball valve spanner
CN205415458U (en) Laborsaving novel bottle opener
CN202357092U (en) Labor-saving screw driver
CN203945305U (en) A kind of bottle opener
CN2806065Y (en) Screwdriver
CN202318086U (en) Wrench with handle capable of rotating upwards and downwards
CN202016640U (en) Bottle cap with telescopic arm lever
CN204533150U (en) There is the flexible shaft controller having grade auto-lock function
CN202788204U (en) Lock and clutch linkage device
CN202945039U (en) Multifunctional bottle opener
CN202241043U (en) Special-shape screwdriver and special-shape screw matched with same
CN202283698U (en) Novel screwdriver
CN201856207U (en) Labor-saving screwdriver
CN202805053U (en) Screw driver
CN201030532Y (en) Screwdriver
CN202529807U (en) Bottle opener
CN203545639U (en) Bottle opener
CN205552375U (en) Bull and adjustable force mechanism's bottle opener device
CN202264183U (en) Two-purpose screwdriver
CN202862072U (en) Special dismounting wrench for blind rivet
CN201448333U (en) fan-shaped screw
CN105538207A (en) Screwdriver

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: 20141105

Termination date: 20150618

EXPY Termination of patent right or utility model