CN2440623Y

CN2440623Y - Nail holder for screw driver with elastic extension

Info

Publication number: CN2440623Y
Application number: CN 00250556
Authority: CN
Inventors: 曾绍谦
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-07
Filing date: 2000-09-07
Publication date: 2001-08-01
Anticipated expiration: 2010-09-07

Abstract

The utility model relates to a nail holder device for a screw driver with elastic extension ability. A fastening ring is fixedly arranged on a rod body of the screw driver; the bottom of the fastening ring is provided with a spring seat and is connected and provided with a helical compression spring; the bottom of the compression spring is movably pivoted with another elastic claw body. The bottom of a ring-shaped guiding ring is provided with a plurality of claw rods in the strip arc curved shape by the claw body; a clamping opening is formed around and between every two claw rods; a nail holding groove is arranged between every two claw rods at one side of the clamping opening. Screws are inserted into the claw body by the nail holding groove and then are embedded and clamped by using the elasticity of the clamping opening. The utility model can embed and hold the screw nail heads more stably, and enhances the nail holding operation ability and the operation convenience by the screw driver.

Description

The screwdriver of tool elasticity expansion-contraction ability is held spike devices

The utility model relates to a kind of screwdriver of tool elasticity expansion-contraction ability and holds spike devices.

The application technology of using the screwdriver lock to change screw, the existing history that goes up a century, demand along with the different lock of various screws adapted way, developed at present the screw of all size size and style, as cross, the flat degree of lip-rounding of a word, hexagon or quincuncial round end, tack or imperial crown head screw or the like, the screw of these different styles all has the screwdriver of the identical inserted tooth specification of supporting use, holds screw in order to the rotating operation screwdriver.

Use screwdriver to lock the commentaries on classics screw for convenience,, can directly utilize the bottle opener body of rod to come the sticking screw at present as seen with the technology of additional magnetic on the screwdriver body of rod, make caulking groove on the screw cap can be automatically by sticking on the inserted tooth of bottle opener body of rod head end; But the caulking groove notch area on the screw cap is minimum; to touch area very limited to such an extent as to bottle opener body of rod head end inserted tooth can go deep into the subsides of sticking; therefore often when utilizing the bottle opener body of rod sticking screw cap of tool magnetive attraction; the phenomenon that nail comes off takes place to lift through regular meeting; particularly when using the ailhead of bottle opener body of rod sticking stock shape screw and the magnetive attraction of bottle opener body of rod when not enough, all easily cause and lift the wild effect that nail comes off.

In addition, the screwdriver of tool magnetive attraction changes screw at sticking and application of force lock nips moment on working substance surface, also can't firmly rectify screw by the mat magnetic attraction, to such an extent as to lock change in the operating process of screw location, through regular meeting's unstable phenomenon that shakes.For overcoming this phenomenon, only there are the finger of use, pliers or clip to help screw at present traditionally, in addition; have no other way; but when using finger, pliers or clip to help screw, too narrow restriction arround regular meeting is subjected to the operating space, and cause difficulty when helping screw.Moreover the screwdriver of tool magnetive attraction also can't be used for sticking nonferrous alloy screw, wood screw or PLASTIC SCREWS, because these screws are not had sense magnetic energy power, therefore when revolving latching operation, must be dependent on artificial support screw fully, the bottle opener KTX LOCKING RECESS SCREWS of just having the ability.

Shortcoming at the prior art existence, the purpose of this utility model is to provide a kind of screwdriver of tool elasticity expansion-contraction ability to hold spike devices, have convenient the installation and pressed from both sides screw, but elasticity is transferred to move and is held the nail position, and stable embedding is held and the ability of locking the commentaries on classics screw, the convenience of refer to reach manual-free, pliers or clip being held nail, and improve embedding and hold and lock stability when changeing the screw operation.

For reaching this purpose, the utility model is achieved through the following technical solutions on the implementation: a kind of screwdriver of tool elasticity expansion-contraction ability is held spike devices, mainly formed, be located on the screwdriver body of rod embedding and hold and lock to change and discharge the ailhead screw by a beam ring, a helical compression spring and another corpus unguis; It is characterized by: the activity hub setting has helical compression spring between this beam ring one corpus unguis, and beam ring tightens on the body of rod that is immobilizated in screwdriver, and by this corpus unguis of helical compression spring elasticity hanging support, corpus unguis hung on by stage clip the screwdriver body of rod inserted tooth hold the nail position; Have a cast lead ring on this corpus unguis and be provided with most bar claw bars bottom lead ring, hold nail folder mouth around forming one between each claw bar, the one side also offers nailed groove.

Bundle is put a connecting ring on this beam ring, another spring base of connecting ring activity hub setting, and spring socket sleeve carries above-mentioned stage clip.

This spring base root edge is provided with a baffle ring.

The cast lead ring activity hub setting of this corpus unguis is on a connecting ring, and connecting ring is set stage clip, and corpus unguis elasticity pivot is hung on the bottom of stage clip.

Above-mentioned corpus unguis is arc-curved shape.

The claw bar bottom is the opening shape of opening to outer arc.

The stage casing arc of claw bar contract position and bottom embedding group respectively C shape hypertonic spring.

Screwdriver by a kind of tool elasticity of the utility model expansion-contraction ability is held spike devices, overcome the shortcoming of prior art, reached the purpose of above-mentioned creation, the utlity model has the convenience that the clamping screw is installed, elasticity is transferred to move the ability of holding the nail position and provide and is stablized the effectiveness that the commentaries on classics screw was held and locked in embedding, and can give easy being installed on each screwdriver, and be applicable to that embedding presss from both sides many moneys ailhead screw, therefore can improve the nail ability of holding of the electric screw driver of screwdriver hand-held tool or automation assembling usefulness.

The utility model is described in further detail below in conjunction with drawings and the specific embodiments.

Fig. 1 is a perspective exploded view of the present utility model;

To be the utility model swing in the cross-sectional schematic of holding before the spike devices with screw to Fig. 2;

Fig. 3 is the cutaway view that the screw state is held in the utility model embedding;

To be the utility model lock state cutaway view in the working substance surface process with screw to Fig. 4;

The state cutaway view of Fig. 5 when to be the utility model with screw lock the working substance surface fully;

Fig. 6 is the enforcement state cutaway view that another screw is held in the utility model embedding.

As shown in Figure 1, the screwdriver of the utility model tool elasticity expansion-contraction ability is held spike devices and mainly is made up of a beam ring 1, a spring base 20, a helical compression spring 2 and another corpus unguis 3; Wherein,

The rubber ring ring that beam ring 1 is to use the tool bundle to hold ability is made, and makes on the suitable height of the fastening body of rod 41 that is held in screwdriver 4 of beam ring 1 one end beams (as shown in Figure 2).

Other end Shu Chiyou one connecting ring 10 of this beam ring 1 utilizes the connecting ring 10 movable spring bases 20 that articulate, and makes spring base 20 not do to rotate with the beam ring 1 and the lock transhipment of the bottle opener body of rod 41.And this spring base of mat 20 covers hold stage clip 2, and these spring base 20 root edges also are shaped on a baffle ring 21, in order to movable this corpus unguis 3 (as shown in Figure 2) that articulates in the bottom of restriction stage clip 2.

This corpus unguis 3 is to use Elastic plastic-rubber to make, has cast lead ring 31 (as shown in Figure 1) activity hub setting on the corpus unguis 3 on a connecting ring 37 (as shown in Figure 2), establish tool spring catching groove 30 on these connecting ring 37 outer walls in order to set above-mentioned stage clip 2, and outside catching groove 30 sheathed a branch of circle 300, make stage clip 2 can stablize build-in and in catching groove 30 and with corpus unguis 3, present in succession T-Ring 37 and movable pivot state, in case 2 phenomenons that relatively rotate of claw stop body 3 and stage clip, and have in the inserted tooth 42 peripheral elasticity of the bottle opener body of rod 41 ends and transfer the ability (as shown in Figure 3) of holding the nail position of moving corpus unguis 3.Simultaneously, the claw bar 32 (as shown in Figure 1) that system is formed with many arc-curved shapes is prolonged in these lead ring 31 bottoms, makes 32 nails of holding around formation tool elasticity expansion-contraction ability of each claw bar press from both sides mouthful 33 (as shown in Figure 2).

One side of each claw bar 32 also offers a nailed groove 36, can be placed into the folder mouth 33 interior (as shown in Figures 2 and 3) of corpus unguis 3 easily for screw 5, and the outer wall at the arc position, stage casing of each claw bar 32 is shaped on draw-in groove 34, in order to set a C shape hypertonic spring 35, and on each claw bar 32 bottom and be shaped on draw-in groove 340, in order to set another C shape hypertonic spring 350, two C shape

hypertonic springs

35 and 350 are to improve the ability (as shown in Figure 2) that screw 5 is held in the embedding of 32 elasticity hypertonics of each claw bar by this.

In use, can stablize the screw 5 that most styles are held in embedding for making above-mentioned corpus unguis 3, the height of the therefore visual length of desiring clamping screw 5 or its ailhead 51 and discharge the Len req of the stage clip 2 that is placed on the spring base 20, the nailed groove 36 that makes corpus unguis 3 is just in time by the outstanding height (as shown in Figure 2) that ailhead 51 can be inserted that is held in, be beneficial to stable being held on the inserted tooth 42 of the Lu Zi body of rod 41 bottoms of mode that the caulking groove on the ailhead 51 52 is pressed with the suitable spring of load, and the elastic force of each claw bar 32 of mat is stablized embedding and is held and pressed from both sides screw 5 (as shown in Figure 3).Simultaneously, change screws 5 at operation screwdriver 40 lock and implant 6 o'clock (as shown in Figure 4) of working substances surface, the folder mouth 33 that this each claw bar is 32 can be passed and be pushed open by elasticity gradually with the progressive rotation of the ailhead of screw 5, and the end that makes each claw bar 32 is conflicted on working substance surface 6, along with being changeed by lock gradually, implants in 6 processes of working substance surface by screw 5, this corpus unguis 3 can be subjected to the effect that pushes on working substance surface 6, make corpus unguis 3 squeeze pushing spring 2 and also recess screw 5 gradually, till the screw 5 implanted working substance surfaces 6 (as shown in Figure 5) eventually, change in the process that advances screw 5 at this lock, each claw bar 32 still has the active force of elastic bunch folder, therefore the stability in the time of can protecting screw 5 and withdraw from corpus unguis 3 makes being changeed by lock that screw can be stable implant working substance surface 6.

When utilizing of the present utility model holding after spike devices implants working substance surfaces 6 with screw 5, because this corpus unguis 3 is pushed spring 2 events, but the therefore involution active force of corpus unguis 3 mat stage clips 2 influence, return the holding of inserted tooth 42 of the former bottle opener body of rod 41 rapidly and follow closely the position, set the operation of screw in order to continuing next time.

Hold spike devices and hold as than the screw 54 of the globular model ailhead 53 of tool height the time (as shown in Figure 6) when utilization is of the present utility model, but an amount of ring spiral spring base on the mat retracting spring seat 20 and control the sagging height of corpus unguis 3 makes globular model ailhead screw 54 also can be stabilized embedding and holds and lock and change operation.

In sum, the screwdriver of tool elasticity expansion-contraction ability of the present utility model is held spike devices, really has the convenience that the clamping screw is installed, elasticity is transferred to move the ability of holding the nail position and to provide and stablize embedding and holds and the effectiveness of locking the commentaries on classics screw, and can give easy being installed on each screwdriver, and is applicable to that embedding presss from both sides many moneys ailhead screw, so have the novelty and the progressive of creation, now propose utility application in accordance with the law, earnestly ask and grant standard, to feeling moral just.

Claims

1, a kind of screwdriver of tool elasticity expansion-contraction ability is held spike devices, mainly is made up of a beam ring, a helical compression spring and another corpus unguis, is located on the screwdriver body of rod embedding and holds and lock to change and discharge the ailhead screw; It is characterized by: the activity hub setting has helical compression spring between this beam ring one corpus unguis, and beam ring tightens on the body of rod that is immobilizated in screwdriver, and by this corpus unguis of helical compression spring elasticity hanging support, corpus unguis hung on by stage clip the screwdriver body of rod inserted tooth hold the nail position; Have a cast lead ring on this corpus unguis and be provided with most bar claw bars bottom lead ring, hold nail folder mouth around forming one between each claw bar, the one side also offers nailed groove.

2, the screwdriver of tool elasticity expansion-contraction ability as claimed in claim 1 is held spike devices, it is characterized in that: bundle is put a connecting ring on this beam ring, another spring base of connecting ring activity hub setting, and spring socket sleeve carries above-mentioned stage clip.

3, the screwdriver of tool elasticity expansion-contraction ability as claimed in claim 2 is held spike devices, it is characterized in that: this spring base root edge is provided with a baffle ring.

4, the screwdriver of tool elasticity expansion-contraction ability as claimed in claim 1 is held spike devices, it is characterized in that: the cast lead ring activity hub setting of this corpus unguis is on a connecting ring, and connecting ring is set stage clip, and corpus unguis elasticity pivot is hung on the bottom of stage clip.

5, the screwdriver of tool elasticity expansion-contraction ability as claimed in claim 1 is held spike devices, it is characterized in that: above-mentioned corpus unguis is arc-curved shape.

6, the screwdriver of tool elasticity expansion-contraction ability as claimed in claim 1 is held spike devices, it is characterized in that: the claw bar bottom is the opening shape of opening to outer arc.

7, the screwdriver of tool elasticity expansion-contraction ability as claimed in claim 1 is held spike devices, it is characterized in that: the stage casing arc of claw bar contract position and bottom embedding group respectively C shape hypertonic spring.