CN103876433A - Screw holding apparatus and screwdriver work combination apparatus - Google Patents

Abstract

The present invention relates to a screw holding apparatus, which comprises a fixation member capable of being fixed on a human body trunk and a holding frame connected with the fixation member, wherein the holding frame is provided with a plurality of independent screw holding parts for holding the single screw, the screw holding apparatus is fixed on an arm or wrist of a user through the fixation member, the holding frame is provided for accommodating a plurality of screws, and the screws are separated from each other through the screw holding parts. According to the present invention, the screw holding apparatus accommodating the screws is fixed on the wrist of one hand, the other hand holds a screwdriver, the screwdriver head is aligned to the any one screw on the holding frame when the screw is required to be loaded, the screw picking device of the screwdriver can operably pick up the screw, the whole screw loading process only requires the operation of the one hand, and the free hand can be provided for always stably supporting the device requiring fixation. The present invention further relates to a screwdriver work combination apparatus.

Description

Screw holder and screwdriver working group locking device

Technical field

The present invention relates to a kind of screw holder.

The invention still further relates to the screwdriver working group locking device that comprises described screw holder.

Background technology

In life style now, people more and more focus at home comfortable, also more and more understand and utilize space to go to create aesthetic feeling.Thus, increasing device is nailed on metope, such as daily necessities LCD TV, wall type air-conditioning, makeups mirror and clock, also has some cross embroideries that art of decorateeing use shine, calligraphy and painting works was even mounted.

In order to complete the installation of these devices, screwdriver and screw are essential instruments.And in the time using screwdriver and screw to install, user often runs into such problem: after each screw installation, user need to hold screwdriver on one side, vacateing another hand on one side removes to draw pocket, kit or bends over to reach next screw, and then the screw of taking is put in the installing hole of device, and holding up all the time screw in the process being screwed into, bending to occur with screwless.The process that screw is loaded and is screwed into needs the common participation of two hands of user all the time, not only easily cause that user's is tired, also the state that causes device during this period to be looked after in nothing " hand ", especially just completed the device that screw is installed, at any time may be because waving of causing of deadweight and drawing crack installing hole or directly drop from eminence.

Application number is that 201210272608.0 Chinese patent application has disclosed a kind of improved screwdriver, the working head front end of this screwdriver is provided with screw supporting device, be subject to the certain butt power of screw and get final product Automatic-clamping screw, and in the process being screwed at screw, provide all the time stable support, in the process that this improved screwdriver is screwed at screw, liberate user's a hand, and made the installation of screw more solid and reliable.

But even if use this improved screwdriver, the loading procedure of screw still be unable to do without the auxiliary of another hand, because user also needs first to find screw, and then screw is abutted on the screwdriver bit of screwdriver.Prior art (Japanese patent application JP2001314211A) has disclosed a kind of magnetic wrist strap of adsorbable screw, bend over to reach or draw although saved user the trouble that pocket, kit are looked for screw, but the layout of screw on wrist strap is dilapidated, disorderly and unsystematic, the assistance that the butt process of screwdriver screwdriver bit and screw of completing still cannot be omitted another hand.

For thorough liberation user's a hand, this hand can be held up and surely treat fixing device, be necessary to develop a kind of device that can simplify screw loading procedure, the device being especially used in conjunction with the screwdriver that is provided with screw supporting device.

Summary of the invention

The technical problem that the present invention will solve is to provide a kind of screw holder, makes the screw being placed in one at any time in state to be loaded, does not need the assistance of staff can complete the loading procedure of screw to screwdriver.

Technical scheme of the present invention is as follows:

A kind of screw holder, comprises the fixture that can be fixed on trunk and is connected in the retainer of fixture, and described retainer is provided with that several are separate, for keeping the screw maintaining part of single screw.

Beneficial effect after this programme is implemented is: this screw holder is fixed on by fixture on user's body trunk, such as arm, wrist, even thigh, loins, receives multiple screws by retainer, and these screws are isolated mutually by screw maintaining part.For example, the screw holder that screw is housed is fixed in the wrist of a hand, another hand is used for gripping screwdriver, while needing load screw, screwdriver screwdriver bit is aimed to arbitrary piece of screw in retainer, the screw pick device of screwdriver operationally picks up screw, and whole screw loading procedure only needs the operation of a hand, can hold up all the time and surely treat fixing device for the hand of hold-down screw holding device.

Preferably, described screw maintaining part is configured to be distributed in retainer several host cavity.Host cavity is independent separately, can keep well the location status of screw.

Preferably, described host cavity one end has opening, and the other end is arranged to blind hole.Host cavity is arranged to the blind hole form of indent, is also that storage screw wherein provides a supporting role when receiving space is provided.

Preferably, the degree of depth of described host cavity has 2mm at least.Such degree of depth arranges and ensures that on the one hand host cavity can receive the screw of various different sizes, makes again on the other hand the nut portion of screw expose all the time, is convenient to picking up of screw.

Preferably, described retainer is also provided with the locating part that restriction screw moves in host cavity.The arranging of locating part limited the displacement of screw in host cavity, rocked, thereby avoided the host cavity to be stretched so that cannot keep the consequence of screw.

Preferably, described locating part has magnetic, has at least part to contact with described host cavity, and the screw being positioned in host cavity is attracted by described locating part.Screw is irony, and the locating part of magnetic can help screw maintaining part hold-down screw.

Preferably, described screw maintaining part is uniformly distributed on retainer.Arrange that neat screw maintaining part makes the structure of screw holder compact, profile is comparatively attractive in appearance.

Preferably, described retainer has hexahedral configuration, wherein at least one face, is distributed with screw maintaining part.Hexahedral simple structure practicality, is convenient to processing.

Preferably, described retainer has hemispheric configuration, and screw retaining part is distributed on sphere and to centre of sphere direction and extends, and the extended line of screw maintaining part is through the centre of sphere of retainer.The retainer that is arranged so that like this can be fixed maximum screws, and screw take very convenient.

Preferably, the surface that retainer contacts with human body is curved surface.The surface that retainer contacts with human body is curved surface, has both ensured the comfortableness worn, is also conducive to screw holder to be fixed on the specific position of human body simultaneously, prevents that it from moving.

Preferably, described fixture is the strap-like member that can be fixed in arm or wrist.Be fixed on upper limbs, particularly arm or wrist, meets user's operating habit, simple and convenient.

Another technical problem that the present invention will solve is to provide a kind of screwdriver working group locking device, utilizes this device, singlehanded loading and the installment work that just can complete screw of user, thus ensure that the available free hand of user is used for buttressing and treating fixing device all the time.

One screwdriver working group locking device, comprise screwdriver, described screwdriver is provided with screwdriver bit and is coupled to the screw pick device on screwdriver, described screwdriver working group locking device also comprises above-mentioned screw holder, in screwdriver bit abuts to screw holder, when the nut portion of arbitrary piece of screw, above-mentioned screw pick device operationally picks up described screw.

Beneficial effect after such scheme is implemented is: screwdriver and the screw holder that can pick up screw are used in conjunction with, in the time that screwdriver bit abuts to the screw in screw holder, screw pick device operationally picks up screw, make screw depart from screw holder, thereby complete the loading of screw.Whole loading procedure one hand can complete, and user's another hand can be held up all the time and surely treat fixing device.

Brief description of the drawings

Fig. 1 is the stereogram of the screw holder in the preferred embodiment for the present invention.

Fig. 2 is the cutaway view of screw holder in Fig. 1.

Fig. 3 is the stereogram of the screw holder in second embodiment of the invention.

Fig. 4 is the stereogram of the screw holder in third embodiment of the invention.

Fig. 5 is the stereogram of screwdriver in screwdriver working group locking device in the present invention.

Fig. 6 is screwdriver in Fig. 5 schematic diagram in the time of screw stress state.

Fig. 7 is the screwdriver in Fig. 5 has coordinated screw to load schematic diagram with the screw holder in the first embodiment.

Fig. 8 is the screwdriver in Fig. 5 has coordinated screw to load schematic diagram with the screw holder in the second embodiment.

Wherein,

1. screw holder 3. fixture 5. retainers

7. host cavity 9. magnet 11. magnetic conduction sheets

The 13. screw 13a. nut 13b. of portion threaded shank

15. screwdriver 17. casing 19. handles

21. screwdriver bits 23. are helped part 25. housings

27. butt mechanisms 29. help mechanism's 31. switches

X. axis 51. curved surfaces

Detailed description of the invention

The present invention has come out with a kind of screw holder, disclosed a kind of screwdriver that is provided with screw pick device simultaneously, this screw holder coordinates this screwdriver to use, can greatly reduce the workload in user's load screw process, and can avoid user to find and help the damage of the wish immobilising device that causes of screw or fall because being busy with.Below in conjunction with accompanying drawing, the present invention is described further.

Shown in Fig. 1, screw holder 1 comprises fixture 3 and is fixed on the retainer 5 on fixture 3.Fixture 3 can be fixed on the trunk of human body, for example, be fixed on loins, tie up on thigh, be even located on neck, and in the present embodiment, fixture 3 is for being fixed on the strap-like member in arm or wrist.Fixture 3 is made up of flexible elastomeric material, makes the girth of fixture 3 can bear stretching to a certain degree, thereby facilitates user to wear and take off.Certainly, fixture 3 also can be made up of leather or fibrous material, or makes the metal watch chain that is similar to wrist-watch, and the hasp of adjustable joint girth is set at the two ends of fixture 3, and the user who can be different builds provides the wearing mode of the most comfortable.Certainly, fixture 3 can also be made up of plastics or other material, and it is a variety of to regulate the mode of fixture 3 girths also can have, and no longer describes in detail here.

In the present embodiment, the installing hole (not shown) of retainer 5 two sides is passed respectively at the two ends of fixture 3, and retainer 5 is fixed on fixture 3.Certainly, fixture 3 also can run through the installing hole of retainer 5 bottoms, and those skilled in the art it will also be appreciated that a variety of retainers 5 that make are fixed on the mode on fixture, repeat no more here.

Shown in Figure 1, in the first embodiment about retainer 5, retainer 5 is roughly regular hexahedral shape, wherein has a face to be provided with the screw maintaining part of two rows for receive screws 13.Screw maintaining part is configured to be distributed in the host cavity 7 in retainer 5, and host cavity 7 one end have the opening concordant with the surface of retainer 5, and the other end is arranged to blind hole.Blind hole be arranged so that screw 13 support to a certain extent, when in the loading procedure of screw 13, especially the 13a of nut portion is subject to conflicting for screw 13 provides reaction force, thereby power-assisted screw 13 makes it finally to be picked up by screw pick device, about the loading procedure of screw 13, hereinafter will describe in detail, repeat no more herein.Host cavity 7 has certain depth & wideth, can be used for accommodating the screw 13 of different size, ensures that the 13a of nut portion of screw 13 exceeds the surface of opening all the time simultaneously, thereby facilitates taking of screw 13, makes the state of screw 13 in being loaded at any time.Preferably, the degree of depth of host cavity 7 has 2mm at least, and like this, the screw 13 of minimum gauge all can be received wherein.Certainly, the degree of depth of host cavity 7 can be restricted to one pattern, and the host cavity 7 of several same depth can be set on same retainer 5, to meet a large amount of needs to same specification screw 13; Several deep mixed host cavities 7 also can be set, to adapt to user's needs to different size screw 13 in the time completing comprehensive work on retainer 5.

Certainly, the inwall of host cavity 7 may wear and tear along with the frequent plug of screw 13, causes its range constantly to expand, and is unfavorable for hold-down screw 13,, the invention provides for limiting the locating part of screw 13 in host cavity 7 interior movements for this reason.Shown in Fig. 1, Fig. 2, locating part comprises the magnetic conduction sheet 11 that is oppositely arranged and is cut in respectively two row's host cavity 7 outer walls outward and the magnet piece 9 of being located at two magnetic conduction sheets, 11 centres, magnetic conduction sheet 11 is iron plate or other magnetic conductive metal piece, magnet piece 9 is delivered to magnetic respectively the inwall of two row's host cavities 7 by the magnetic conduction sheet 11 being in contact with it, make at least a portion of the screw 13 of being made by ferrous material in host cavity 7 be close to the inwall of host cavity 7, thereby help host cavity 7 to keep screw 13, limit rocking or being shifted of screw 13.Certainly, locating part can be only also lengthwise magnet piece 9 that extend, that be cut in all host cavity 7 outer walls outward, or only comprises two magnetic conduction sheets of being made up of permanent-magnet material 11.

Certainly, locating part is not limited to the above-mentioned mode of magnetic to attract of utilizing, also can by the interior shell fragment that arranges of host cavity 7 to play the effect of clamp screws 13 releasedly, can also utilize elastomeric material to make the cavity of host cavity 7, thereby make host cavity 7 inwalls remain that elasticity facilitates clamping and the taking-up of screw 13.Certainly, those skilled in the art it will also be appreciated that other,, in order to help host cavity 7 to keep the embodiment of screw 13, describes in detail no longer one by one here.

In above-mentioned the first embodiment, host cavity 7 is fitly lined up two rows on a face of retainer 5, independent and non-interference mutually, and certainly, the arrangement mode of host cavity 7 is not limited to this.Shown in Figure 3, in the second embodiment of screw holder 1, host cavity 7 is distributed on two relative faces, when the screw 13 on that face easy to use is taken complete, user can take off fixture 3 and change a direction and again wear, and makes screw 13 on another face position in being convenient to load.

Shown in Figure 4, for the disposable screw 13 that carries greater number, the shape of retainer 5 can be configured to the hemispherical in the 3rd embodiment, arranging of host cavity 7 is evenly to scatter along hemisphere face, be that host cavity 7 extends to the centre of sphere direction of retainer 5, the extended line of host cavity 7 is through the centre of sphere of retainer 5.

Certainly, the arrangement mode of the shape of retainer 5 and host cavity 7 is not limited to above-mentioned three kinds of embodiments, and those skilled in the art can expect other alternative form and arrangement mode easily, wouldn't enumerate here.It is worth mentioning that, in order to improve the sense of discomfort of user in the time wearing screw holder, simultaneously in order better screw holder to be fixed on to certain position of health, in the present invention, the special surface that retainer 5 is contacted with human body is made for curved surface 51.As shown in Figure 1, the bottom surface of retainer 5 is the curved surface 51 that has certain radian, can adapt to the shape of user's wrist or arm bone, thereby retainer 5 is more stably remained on a position of arm or wrist, prevent that it from rotating and affecting the rapid loading of screw 13.

In above-described various embodiment, screw maintaining part exists with the form of host cavity 7, and each host cavity 7 screw 13 of storage separately, keeps at a certain distance away between each host cavity 7, make 13, each screw non-interference, and each screw 13 is the state of uprightly easily getting.Certainly, screw maintaining part can be other structure, such as the holder of being made by recoverable material, or other structure of easily expecting; In a word, the effect of screw maintaining part is for single screw 13 provides stable support, and makes the erectility of screw 13 in being loaded at any time, as for concrete structure, those skilled in the art can expect a variety of embodiments easily, repeats no more here.

To sum up, screw holder 1 adjustable ground is fixed in user's wrist or arm, makes storage screw 13 in the inner present all the time the state of uprightly easily getting.Certainly, screw holder of the present invention 1 is used in conjunction with the screwdriver 15 that is provided with screw pick device, could farthest bring into play the advantage of screw holder 1, does simple declaration below for this screwdriver 15 that can Automatic-clamping screw 13.

According to the difference of power source, screwdriver can be divided into that manual screw is criticized, pneumatic screw is criticized, surge screwdriver and electric screwdriver, in electric screwdriver, also have direct current and exchange point, the present invention is preferably specifically described as an example of DC electric screw batch example.

Shown in Fig. 5, Fig. 6, this DC electric screw batch 15 comprises casing 17, casing 17 is closed up and is assembled by screw (not shown) by two and half housings of symmetry, is provided with battery (not shown), motor (not shown), transmission mechanism (not shown) and output shaft (not shown) in it.Handle 19 parts that casing 17 has horizontal component and arranges in obtuse angle with horizontal component, the preferred angle of the present invention at 100 degree between 130 degree, can be pleasant when gripping handle 19 operates like this.Top in handle 19 parts is provided with press button 31, and battery is fixed on the rear portion of handle 19 parts, and transmission mechanism partial fixing is housed in the horizontal component of casing 17.As preferred embodiment, this battery can be lithium ion battery.It should be noted that, said lithium ion battery is that negative material is the general name of the rechargeable battery of elemental lithium here, and according to the difference of positive electrode, it can form many systems, as " lithium manganese " battery, and " lithium iron " battery etc.In the present embodiment, lithium ion battery is that a joint rated voltage is the lithium ion battery of 3.6V (volt).Certainly, battery 6 can be also the battery types well known to those skilled in the art such as NI-G, ni-mh.

Screw pick device in the present invention preferably describes as an example of screw supporting device example, screw supporting device can be configured to one with screwdriver, also can be used as the screwdriver annex of conveniently assemble and disassemble, the fixing part that the screw supporting device of showing in the present embodiment is screwdriver.Shown in Fig. 5, Fig. 6, screw supporting device mainly comprises the housing 25 that connects with screwdriver 15, for the butt mechanism 27 of butt screw 13, can be used for helping the support mechanism 29 of screw 13 and drive the driving mechanism (not shown) of helping mechanism 29 to help screw 13.Screwdriver bit 21 is parts of butt mechanism 27, helps mechanism 29 to comprise multiple support parts 23 of helping from different directions screw 13.The benefit arranging is like this to help more than 13 different directions of screw, thereby screw 13 can not be tilted in the process that hammers into workpiece.Help the quantity of part 23 to be at least two and help part 23 to be circumferentially evenly arranged around axis X.What multiple like this support parts 23 acted on makes a concerted effort just in time on the screw 13 being positioned in axis X.If helping the quantity of part 23 is 2, help part 23 just in time about axis X symmetry for these two; If helping the quantity of part 23 is 3, help part 23 to be just in time positioned on three summits of equilateral triangle for these three, and axis X is through this equilateral leg-of-mutton center; By that analogy.In the present embodiment, helping the quantity of part 23 is 2.When screwdriver bit 21 contacts with the 13a of nut portion of screw 13, no matter be to apply active force from the 13a of nut portion to screwdriver bit 21 directions, or screwdriver bit 21 compresses the 13a of nut portion and experiences the reaction force of screw 13, both butts have triggered the motion of housing 25 internal driving mechanisms, and the motion of driving mechanism directly impels 2 to help part 23 to close up from the direction away from axis X to axis X under the effect of lever principle, thus the threaded shank 13b of pinching screw 13.About concrete structure and each inter-agency relation that cooperatively interacts of this screw supporting device inside, can application reference number be 201210272608.0 Chinese patent application " screw supporting device and assemble the screw instrument of this screw supporting device ", no longer describe in detail herein.

Shown in Figure 7, be screwdriver of the present invention working group locking device, this screwdriver working group locking device comprises aforesaid screw holder 1 and is provided with the screwdriver 15 of screw supporting device.Screwdriver 15 and screw holder 1, in the time being used in conjunction with, lay respectively at user's " right-hand man ", and a wrist of user (or arm) is worn screw holder 1, and another hand grips screwdriver 15.Suppose the action that the execution of the user habit right hand is comparatively complicated, as shown in Figure 8, screw holder 1 is positioned on user's left finesse, and screwdriver 15 is gripped by user's the right hand.(certainly, user can be worn on screw holder 1 on right finesse according to own operating habit selection completely, and grips screwdriver 15 with left hand.) because the screw 13 in screw holder 1 is all in the state of " immediate delivery ", when the installation that executes a screw 13 as user need to be reloaded screw 13, user's left hand does not spend " east looks for west to touch ", and still can remain on the state of holding up steady workpiece.When load screw 13, the screwdriver 15 that user only need grip the right hand is near left hand arm (or left finesse), make the screwdriver bit 21 of screwdriver 15 touch the 13a of nut portion of any one screw 13, no matter be that the right hand is exerted oneself to the screw 13 on the left side a little, or left finesse is to screwdriver bit 21 application of force slightly on the right, can trigger immediately the motion of screwdriver 15 screwing supporting devices, make to help part 23 tightly " to embrace " the live in threaded shank 13b of screw 13.After threaded shank 13b " is embraced " by screwdriver 15, user removes the right hand from left finesse limit, " embraced " screw 13 of living and slowly depart from screw holder 1, follows the screw 13 that screwdriver 15 carries out below together and hammers into work.This screwdriver 15 also has the function of holding up steady screw 13 in screw 13 hammers into process, and the function that screw 13 is driven into certain depth and automatically unclamps screw 13 later, reader can check that application number is the description of 201210272608.0 Chinese patent application " screw supporting device and assemble the screw instrument of this screw supporting device ", is not described in detail herein.

To sum up, the function that above-mentioned screwdriver 15 itself has Automatic-clamping screw 13, holds up steady screw 13 and unclamp in due course screw 13, it holds up steady screw 13 and the function of unclamping screw 13 to make it in the installation process of any screw 13, bring into play huge effect, not only reduce user's workload, the finger injuries equivalent risk of having avoided hand steered screw 13 to cause, and be conducive to user and in screw 13 installation processes, hold up all the time steady device to be processed.But, if lacked screw holder 1 of the present invention, even if use this improved screwdriver 15, the process of " loading " screw 13 is still of inadequate achievement, because if there is no this screw holder 1 that can liberate a hand, the process of load screw 13 just cannot be broken away from the assistance of another hand, and as long as another hand participates in loading procedure, the problem described in background technology or hidden danger are just difficult to avoid so.

In other words, above-described screw holder 1 provides a kind of storage and screw location mode of being convenient to take be convenient to for user, this screw holder 1 not only coordinates " tacit agreement " with the above-mentioned screwdriver 15 with screw clamp means, and is applicable to strong magnetic screwdriver (not shown).In strong magnetic screwdriver, screw pick device is the magnet that is arranged on screwdriver screwdriver bit rear end, and this magnet conducts to magnetic the screwdriver bit of irony, makes screwdriver bit also have strong magnetic.Like this, in the time that magnetic screwdriver bit contacts with the screw in screw holder, the screw of irony is attracted by magnetic screwdriver bit immediately, thus user to the moving process of screwdriver in by being taken away screw holder, complete the loading of screw to screwdriver.

Certainly, except the above-mentioned two kinds screwdrivers with screw pick device, even if screw holder 1 uses with common screwdriver 15 collocation, also there is unrivaled advance, difference is only that, in the time that user uses normal screws to criticize 15, this screw holder 1 need to be worn on the wrist of that hand for gripping screwdriver 15.Certainly, optimum mode is that above-mentioned screw holder 1 uses with above-mentioned screwdriver 15 collocation, form screwdriver of the present invention working group locking device, user screw 13 in the past load and installation process in the difficulty that runs into all can be readily solved one by one with trouble.

The above-mentioned definition to each element is not limited in various concrete structures or the shape in embodiment, mentioned, and those of ordinary skill in the art can know simply and replace it.

It may occur to persons skilled in the art that, the present invention can also have other implementation, but as long as its technical spirit adopting identical with the present invention or close, or any variation of making based on the present invention and replacement all within protection scope of the present invention.

Claims (11)

1. a screw holder, comprises the fixture that can be fixed on trunk and is connected in the retainer of fixture, it is characterized in that: described retainer is provided with that several are separate, for keeping the screw maintaining part of single screw.

2. screw holder according to claim 1, is characterized in that: described screw maintaining part is configured to be distributed in several host cavities in retainer.

3. screw holder according to claim 2, is characterized in that: described host cavity one end has opening, and the other end is arranged to blind hole.

4. screw holder according to claim 3, is characterized in that: the degree of depth of described host cavity has 2mm at least.

5. screw holder according to claim 2, is characterized in that: retainer is also provided with the locating part that restriction screw moves in host cavity.

6. screw holder according to claim 5, is characterized in that: described locating part has magnetic, has at least part to contact with described host cavity, and the screw being positioned in host cavity is attracted by described locating part.

7. screw holder according to claim 1, is characterized in that: described retainer has hexahedral configuration, wherein at least one face, is distributed with screw maintaining part.

8. screw holder according to claim 1, is characterized in that: described retainer has hemispheric configuration, and screw retaining part is distributed on sphere and to centre of sphere direction and extends, and the extended line of screw maintaining part is through the centre of sphere of retainer.

9. screw holder according to claim 1, is characterized in that: the surface that retainer contacts with human body is curved surface.

10. screw holder according to claim 1, is characterized in that: described fixture is the strap-like member that can be fixed in arm or wrist.

11. 1 kinds of screwdriver working group locking devices, comprise screwdriver, described screwdriver is provided with screwdriver bit and is coupled to the screw pick device on screwdriver, it is characterized in that: described screwdriver working group locking device also comprises the screw holder as described in as arbitrary in claim 1 to 10, in screwdriver bit abuts to screw holder, when the nut portion of arbitrary piece of screw, above-mentioned screw pick device operationally picks up described screw.

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