CN206677849U

CN206677849U - A kind of screwdriver of strong applicability

Info

Publication number: CN206677849U
Application number: CN201720468332.1U
Authority: CN
Inventors: 杨烨
Original assignee: Zhuji Shengyuan Plastic Materials Co Ltd
Current assignee: Shenzhen Yilianghuan Trade Co ltd
Priority date: 2017-04-29
Filing date: 2017-04-29
Publication date: 2017-11-28
Anticipated expiration: 2027-04-29

Abstract

The utility model discloses a kind of screwdriver of strong applicability, including handle, the bottom of the handle is fixedly connected with handle of a knife, the bottom of the handle of a knife is fixedly connected with screw terminal, the internal activity of the handle is connected with extension rod, bottom on the right side of the extension rod is movably installed with roller by support, slide rail is fixedly connected with the right side of the handle inwall, the roller is slidably connected with slide rail, the back surface of the handle inwall and installing plate is fixedly connected with the left of the extension rod, the front surface of the installing plate is connected with the gear being used cooperatively with extension rod by bearing pin.The cooperation that the utility model passes through extension rod, roller, slide rail, gear, bearing pin, motion bar and through hole one, extension rod can be made by stretching out or retracting inside handle, pass through the cooperation of neck, kelly and through hole two again, the position of extension rod can be fixed, can working environment length and strong applicability is adjusted.

Description

A kind of screwdriver of strong applicability

Technical field

Hardware fitting technical field is the utility model is related to, specially a kind of screwdriver of strong applicability.

Background technology

Screwdriver is a kind of for twisting screw to force its instrument in place, generally has a thin sphenocephaly, can insert Enter in the line of rabbet joint or recess of screw cap, according to specification standards, be rotated clockwise as panelling；Counterclockwise rotates are then Ease out, screwdriver can be divided into a word, cross, rice word, star-like by different head dummys（Computer）, square toes, turret head, Y types head Etc., wherein a word and cross are the most frequently used in our lives, will be used as installation, maintenance is this kind of, it may be said that as long as having The place of screw will use screwdriver, but the length of screwdriver is fixed at present, can not be adjusted according to working environment Length is saved, it is poor for applicability.

Utility model content

The purpose of this utility model is to provide a kind of screwdriver of strong applicability, possess can working environment be adjusted The advantages of length and strong applicability, the length for solving current screwdriver are fixed, can not be adjusted according to working environment Save length, it is poor for applicability the problem of.

To achieve the above object, the utility model provides following technical scheme：A kind of screwdriver of strong applicability, including handle Hand, the bottom of the handle are fixedly connected with handle of a knife, and the bottom of the handle of a knife is fixedly connected with screw terminal, the inside of the handle It is connected with extension rod, the bottom on the right side of the extension rod is movably installed with roller, the right side of the handle inwall by support Side is fixedly connected with slide rail, and the roller is slidably connected with slide rail, the back surface of the handle inwall and the left side for being located at extension rod Side is fixedly connected with installing plate, and the front surface of the installing plate is connected with the tooth being used cooperatively with extension rod by bearing pin Wheel, the bottom of the gear front surface are fixedly connected with bearing pin, and the surface activity of the bearing pin is connected with motion bar, the handle Through hole one is offered at the top of left side, the left end of the motion bar extends to the outside of handle, the extension through through hole in the lump The bottom of bar front surface offers neck, and the front surface of the handle offers through hole two, and the inside of the through hole two, which is run through, to be set Kelly is equipped with, one end of the kelly through through hole two and extends to the inside of neck.

Preferably, the bottom of the extension rod is fixedly connected with spring, the bottom of the spring and the bottom of handle inwall It is fixedly connected.

Preferably, the front surface of the extension rod and back surface have been fixedly connected with rubber blanket, and the rubber blanket is remote to be prolonged The side of boom is provided with anti-skidding salient point.

Preferably, the first teeth are provided with the left of the extension rod, the surface of the gear is provided with and the first teeth The second teeth being adapted.

Preferably, the left side of the extension rod and limited location block is fixedly connected with the top and bottom of the first teeth.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, the utility model, can by the cooperation of extension rod, roller, slide rail, gear, bearing pin, motion bar and through hole one Make extension rod by stretching inside handle or retract, then the cooperation by neck, kelly and through hole two, can be by the position of extension rod Put and fix, can working environment length and strong applicability is adjusted.

2nd, the utility model is by setting rubber blanket and anti-skidding salient point, it is possible to increase the friction of extension rod and user's both hands Power, by setting limited block, the range of movement of extension rod can be limited, by setting roller and slide rail, it is possible to increase extension rod Fluency during motion, pass through the bottom for setting spring that extension rod can be avoided to hit handle inwall.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the new right pseudosection of partial structurtes of the utility model；

Fig. 3 is the utility model A-A partial structurtes enlarged drawing；

Fig. 4 is the utility model B-B partial structurtes enlarged drawing.

In figure：1 handle, 2 handle of a knifes, 3 screw terminals, 4 extension rods, 5 rollers, 6 slide rails, 7 installing plates, 8 gears, 9 bearing pins, 10 are lived Lever, 11 through holes one, 12 necks, 13 through holes two, 14 kellies, 15 springs, 16 rubber blankets, 17 anti-skidding salient points, 18 limited blocks.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-4, a kind of screwdriver of strong applicability, including handle 1, the bottom of handle 1 and be fixedly connected with handle of a knife 2, the bottom of handle of a knife 2 is fixedly connected with screw terminal 3, and the internal activity of handle 1 is connected with extension rod 4, the front surface of extension rod 4 and Back surface has been fixedly connected with rubber blanket 16, and side of the rubber blanket 16 away from extension rod 4 is provided with anti-skidding salient point 17, passes through setting Rubber blanket 16 and anti-skidding salient point 17, it is possible to increase the frictional force of extension rod 4 and user's both hands, the bottom of extension rod 4, which is fixed, to be connected Spring 15 is connected to, the bottom of spring 15 is fixedly connected with the bottom of the inwall of handle 1, and spring 15 can avoid extension rod 4 from hitting handle The bottom of the inwall of hand 1, the bottom on the right side of extension rod 4 are movably installed with roller 5 by support, and the right side of the inwall of handle 1, which is fixed, to be connected Slide rail 6 is connected to, roller 5 is slidably connected with slide rail 6, by setting roller 5 and slide rail 6, it is possible to increase stream when extension rod 4 moves Smooth property, the back surface of the inwall of handle 1 and is fixedly connected with installing plate 7 positioned at the left side of extension rod 4, and the front surface of installing plate 7 leads to Cross bearing pin 9 and be connected with the gear 8 being used cooperatively with extension rod 4, the left side of extension rod 4 is provided with the first teeth, extension rod 4 Left side and be fixedly connected with limited location block 18 at the top and bottom of the first teeth, by setting limited block 18, can limit The range of movement of extension rod 4 processed, the surface of gear 8 are provided with the second teeth being adapted with the first teeth, the front surface of gear 8 Bottom is fixedly connected with bearing pin 9, and the surface activity of bearing pin 9 is connected with motion bar 10, and the top in the left side of handle 1 offers through hole one 11, the left end of motion bar 10 through through hole 1 and extends to the outside of handle 1, and the bottom of the front surface of extension rod 4 offers card Groove 12, the front surface of handle 1 offer through hole 2 13, and the inside of through hole 2 13 is provided through kelly 14, one end of kelly 14 Through through hole 2 13 and the inside of neck 12 is extended to, passes through extension rod 4, roller 5, slide rail 6, gear 8, bearing pin 9, motion bar 10 With the cooperation of through hole 1, extension rod 4 can be made to be stretched out or be retracted by the inside of handle 1, then by neck 12, kelly 14 and led to The cooperation in hole 2 13, the position of extension rod 4 can be fixed, can working environment length and strong applicability is adjusted.

It is in use, logical after kelly 14 is extracted out by the inside of neck 12 if necessary to the length of set screw knife, user Cross motion bar 10 and rotate gear 8, gear 8 can promote extension rod while rotation under the cooperation of the first teeth and the second teeth 4 are internally extended by handle 1, and when extension rod 4 extends to suitable position, kelly 14 is reinserted neck 12 by user Inside, if necessary to which by inside the retraction handle 1 of extension rod 4, user is by kelly 14 by passing through after being extracted out in neck 12 Motion bar 10 reversely rotates gear 8.

In summary：The screwdriver of the strong applicability, pass through extension rod 4, roller 5, slide rail 6, gear 8, bearing pin 9, activity The cooperation of bar 10, through hole 1, neck 12, kelly 14 and through hole 2 13, the length for solving current screwdriver is fixed, nothing Length is adjusted according to working environment in method, it is poor for applicability the problem of.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of screwdriver of strong applicability, including handle（1）, it is characterised in that：The handle（1）Bottom be fixedly connected with Handle of a knife（2）, the handle of a knife（2）Bottom be fixedly connected with screw terminal（3）, the handle（1）Internal activity be connected with extension Bar（4）, the extension rod（4）The bottom on right side is movably installed with roller by support（5）, the handle（1）The right side of inwall It is fixedly connected with slide rail（6）, the roller（5）With slide rail（6）It is slidably connected, the handle（1）The back surface of inwall and it is located at Extension rod（4）Left side be fixedly connected with installing plate（7）, the installing plate（7）Front surface pass through bearing pin（9）It is connected with With extension rod（4）The gear being used cooperatively（8）, the gear（8）The bottom of front surface is fixedly connected with bearing pin（9）, the pin Axle（9）Surface activity be connected with motion bar（10）, the handle（1）Through hole one is offered at the top of left side（11）, the work Lever（10）Left end pass through through hole one（11）And extend to handle（1）Outside, the extension rod（4）Open the bottom of front surface Provided with neck（12）, the handle（1）Front surface offer through hole two（13）, the through hole two（13）Inside through set There is kelly（14）, the kelly（14）One end pass through through hole two（13）And extend to neck（12）Inside.

A kind of 2. screwdriver of strong applicability according to claim 1, it is characterised in that：The extension rod（4）Bottom It is fixedly connected with spring（15）, the spring（15）Bottom and handle（1）The bottom of inwall is fixedly connected.

A kind of 3. screwdriver of strong applicability according to claim 1, it is characterised in that：The extension rod（4）Positive table Face and back surface have been fixedly connected with rubber blanket（16）, the rubber blanket（16）Away from extension rod（4）Side be provided with it is anti-skidding Salient point（17）.

A kind of 4. screwdriver of strong applicability according to claim 1, it is characterised in that：The extension rod（4）Left side It is provided with the first teeth, the gear（8）Surface be provided with the second teeth being adapted with the first teeth.

A kind of 5. screwdriver of strong applicability according to claim 1 or 4, it is characterised in that：The extension rod（4）A left side Side and limited location block is fixedly connected with the top and bottom of the first teeth（18）.