CN100445041C

CN100445041C - Multi-function screw driver

Info

Publication number: CN100445041C
Application number: CNB2006100519502A
Authority: CN
Inventors: 刘坚
Original assignee: Individual
Current assignee: Ningbo Tenglong Outdoor Implement Co Ltd
Priority date: 2006-06-14
Filing date: 2006-06-14
Publication date: 2008-12-24
Anticipated expiration: 2026-06-14
Also published as: CN1868685A

Abstract

The present invention relates to a multifunctional screwdriver which comprises screwdriver heads (1) with a plurality of specifications and a handle (2), wherein the screwdriver heads (1) and the handle (2) can be fixedly assembled into a whole in a dismountable mode according to the same axial line. A plurality of storing chambers (21) used for placing the screwdriver heads (1) are distributed on the circumferential side of the handle (2), the back ends of the storing chambers are opened, and the front ends of the storing chambers are closed. The back end of the handle (2) is sheathed with an inserter cover (3) which can rotate relative to the handle (2), and a containing chamber (22) is arranged in the handle (2). After an end cover (4) passes through the inserter cover (3), the end cover (4) and inner wall screw threads of the containing chamber (22) on the handle (2) are connected together. The upper end of the end cover (4) is provided with a shoulder (41) which has the function of axially limiting the inserter cover (3) on the handle (2), and a storing mouth (31) matched with the storing chambers (21) is arranged on the end face of the inserter cover (3). The multifunctional screwdriver is a multifunctional screwdriver which can be used for storing a plurality of screwdriver heads, and has the advantages that the screwdriver heads are conveniently taken out from the storing chambers and are hard to drop off from the storing chambers.

Description

Multifunctional screw driver

Technical field

The invention belongs to the technical field of screwdriver, relate in particular to a kind of multifunctional screw driver of depositing a plurality of driver bits.

Background technology

Screwdriver is electrician and mechanic's a common tool, we often will be with the screwdriver of multiple different size or model when using screwdriver, in order to carry the screwdriver of plurality of specifications or model simultaneously, we were that screwdriver with all size and model is contained in the kit bag in the past, take out the screwdriver of different size during use as required in the kit bag, but because the kit bag volume is big and cracky, therefore it also is not very convenient using, for this reason, it is that the Chinese utility model patent " a kind of portable combined multi-purpose screwdriver " of ZL95227022.6 (notification number is CN2236383Y) has disclosed a kind of such structure that one patent No. is arranged, a kind of portable combined multi-purpose screwdriver, form by screwdriver that has lug on it and handle, it is characterized in that: the built-in socket of the sleeve of pipe shape, its upper end has a keyseat, puts a Spring Card in the groove, is fixed by screw, have four storage tanks from top to bottom around the sleeve, sleeve has a spring collar outward.Though above-mentioned utility model is more convenient in the use, but the opening of storage tank is exposed to the outside, so just need comparatively reasonably to adjust the matched in clearance between screwdriver head rod portion and the storage tank, if the tension that cooperates between them, though can prevent effectively that driver bit from coming off in storage tank, but when we will change driver bit, think that the driver bit that will be fit to use just takes out very effort in storage tank; If the cooperation between them is loose excessively, though then can very like a cork driver bit be taken out in storage tank, other driver bit that is positioned in the storage tank then is easy to come off in it.Also there is the inconvenient defective of using in present this combined screwdriver under dark condition.

In order to reach the purpose that screwdriver uses under dark condition, a kind of screwdriver with lighting device has appearred on the market, as a patent No. is that the Chinese utility model patent " a kind of illumination survey electrical activity screwdriver " of ZL200420077888.2 (notification number is CN2721327Y) has disclosed the structure so a kind of, the electrical activity screwdriver is surveyed in a kind of illumination, and it includes screw handle, interconvertible knife bar, bonnet, switch, bulb separator.Screw handle has two hollow-core constructions of size, and big hollow-core construction has dry cell, anodal conduction dome, conduction circle, hand over disposed upright spare to isolate moulds spiral shell, neon bulb, fixed carbon resister, the spring and touch the T cap and be composed in series of attaching the names of pre-determined candidates; Connect lead and place little hollow-core construction, two hollow-core constructions can communicate with conductor wire.This utility model has the function that can illuminate objects in front, solve the operational issue under the dark surrounds, but present existing screwdriver with illumination functions, comprise above-mentioned utility model, the switch of its control bulb all is arranged on handle side wall, therefore its inconvenience is provided for depositing the storage chamber of the driver bit of a plurality of different sizes at handle side wall, that is to say that its this screwdriver has only a kind of driver bit of specification, so there is the defective of using inconvenience in this screwdriver.

In sum, above-mentioned two utility models also can be done further and improve.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of multifunctional screw driver of depositing a plurality of driver bits and having illumination functions at above-mentioned prior art present situation, this screwdriver has driver bit is difficult for from the indoor advantage that comes off of storage chamber from the indoor convenient to remove and driver bit of storage chamber, also have conveniently and under dark condition, use, and it has the brightness of illumination height, the advantage of reasonable in design.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of multifunctional screw driver, it includes the driver bit of plurality of specifications, handle, the two can removably fixedly be assembled into one by same axis, the all sides of described handle are distributed with a plurality of open rearward end, the storage chamber that is used to place driver bit of front end sealing, handle rear end is arranged with one and can covers relative to the plug-in unit that handle rotates, on the end face of plug-in unit lid, also have one and the storage chamber opening match deposit mouth, has a chamber resettling in the handle, the inner thread that one end cap passes chamber resettling on plug-in unit lid back and the handle links together, and this end cap upper end has one and plug-in unit can be covered the convex shoulder of axial limiting on handle; Also be provided with a lighting device in the described handle; This lighting device include integrated in the circuit board a plurality of LED, be contained in battery in the chamber resettling, be threaded in lamp holder that the handle front end makes with transparent material, be located in the push switch on the end cap, LED just is contained in the lamp holder, and described LED, switch, battery conduct electricity successively and be connected to form luminous loop; The structure that described lamp holder is connected the handle front end is: have one at the handle front end and be the connecting portion of column to lordosis, the front end of connecting portion is shaped on external screw thread, the fore-end of described irregularly-shaped hole just is positioned on this connecting portion, has a coupling part that extends internally at the lamp holder center, have the screwed hole that matches with connecting portion front end external screw thread on the coupling part, the connecting portion front end just is threaded in the screwed hole on the coupling part, formation one containing cavity in the form of a ring between coupling part and the lamp holder outer wall, described a plurality of LED is in the circuit board integrated in the form of a ring, wiring board is set on the connecting portion, and described LED just in time is contained in the described containing cavity.

The structure that the same axis of above-mentioned driver bit and handle removably fits together is: have at handle front end center one with driver bit rear end shape, the suitable irregularly-shaped hole of size, bottom in this irregularly-shaped hole is fixed with the magnet that the driver bit rear end can be held, adopt this magnetic-type package assembly commonly used, it has simple in structure, can be with the advantage of driver bit strong bonded on handle.

Above-mentioned LED, switch, battery conduct electricity the structure that is connected to form luminous loop successively and be: the pin of LED links together by anodal reed and anode conduction; Chamber resettling rear end on handle is fixed with that a usefulness metal material is made and the battery cover of hollow, described end cap is made with metal material, and this end cap and battery cover are threaded togather, also be equipped with the switch cover of a placement switch in the end cap, one end of switch contacts by tower spring and the GND conduction that is contained in the switch cover, this contacts the other end of switch with the metal end conduction, and another pin of LED contacts by anode reed and battery cover conduction, the structure that this conduction connects is similar with common flashlight, certainly also can adopt existing conduction connecting structure separately, specifically can be with reference to the structural design of existing various flashlights.

We see the type that is contained in the driver bit in the storage chamber for convenience, and make things convenient for us that driver bit is taken out in storage chamber, have one section and the extraneous open slot that communicates vertically in above-mentioned storage chamber one side, our just available finger stretches in the open slot like this, and driver bit is released storage chamber.

The convex shoulder of above-mentioned end cap upper end is being good in the form of a ring, under the state that end cap and handle are threaded togather, this convex shoulder in the form of a ring is compressed on the upper surface of plug-in unit lid, with the convex shoulder setting in the form of a ring, the contact area of convex shoulder and plug-in unit lid is increased, and then axial limiting that can the plug-in unit lid is more stable is on handle.

Compared with prior art, the invention has the advantages that: being arranged with one can cover relative to the plug-in unit that handle rotates in the handle upper end, has a chamber resettling in the handle, the inner thread that one end cap passes chamber resettling on plug-in unit lid back and the handle links together, this end cap upper end has one and plug-in unit can be covered the convex shoulder of axial limiting on handle, on the end face of end cap, also have one and the storage chamber opening match deposit mouth; When we are inserted into driver bit in the storage chamber, sealing function by plug-in unit lid with driver bit be limited in separately for storage chamber in, turn plug-in unit lid then when need taking out, allow plug-in unit covers deposit mouthful and storage chamber on opening over against, then handle is inverted, the driver bit that is contained in the storage chamber is taken out from depositing mouth, therefore that driver bit is very convenient from the indoor taking-up of storage chamber; If deposit the mouth not have and storage chamber on opening over against, form the space of depositing driver bit of front end sealing so between plug-in unit lid and the storage chamber, then driver bit just can not be from depositing a mouthful taking-up, therefore we can be placed on driver bit in the storage chamber more loosely, do not exist because driver bit is placed in the storage chamber more loosely, and driver bit is come off in storage chamber easily.Adopt a plurality of LED to have economize on electricity, the high advantage of brightness, also have this lighting device that LED is not exposed, strengthen the aesthetic property of entire product, switch is arranged on the end cap of handle rear end, can make things convenient for us storage chamber to be set, also can adopt existing illuminator structure separately certainly in all sides of handle.Because all sides of handle are provided with the storage chamber of depositing driver bit, therefore inconvenience directly is threaded in lamp holder on the handle side face, yet the handle front end is provided with the connecting portion of a projection, irregularly-shaped hole can extend connecting portion always, so just, can deepen the degree of depth of irregularly-shaped hole, allow driver bit more stably be fixed in the irregularly-shaped hole.Certainly also can directly be threaded on the handle side face, but need the suitably length of increase handle, for external threading.This screwdriver also has compactness rational in infrastructure, assembling production easily, low, the multi-functional characteristics of cost.

Description of drawings

Fig. 1 is the schematic perspective view of the embodiment of the invention;

Fig. 2 is the front view of the embodiment of the invention;

Fig. 3 is the upward view of the embodiment of the invention;

Fig. 4 is the vertical view of the embodiment of the invention;

Fig. 5 is the structure cutaway view of the embodiment of the invention;

Fig. 6 is the structure cutaway view of handle in the embodiment of the invention;

Fig. 7 is the structure broken away view of the embodiment of the invention.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

A kind of multifunctional screw driver shown in Fig. 1～7, it includes the driver bit 1 of plurality of specifications, handle 2, the two can removably fixedly be assembled into one by same axis, driver bit 1 can be a word, cross, can also be various bottle openers, driver bit 1 is made up of bar portion and head, the structure that driver bit 1 and handle 2 same axis removably fit together is: have at handle 2 front end centers one with driver bit 1 rear end shape, the irregularly-shaped hole 23 that size is suitable, bottom in this irregularly-shaped hole 23 is fixed with the magnet 24 that driver bit 1 rear end can be held, the cross section of irregularly-shaped hole 23 generally is regular hexagon, described handle 2 all sides have a plurality of open rearward end from top to bottom, the storage chamber 21 of front end sealing, these storage chambers 21 are distributed on all sides of handle 2, be inserted with the driver bit 1 of different size in the storage chamber 21, storage chamber 21 1 sides have one section and the extraneous open slot 211 that communicates vertically, as shown in Figure 6;

Described handle 2 rear ends are arranged with one can cover 3 relative to the plug-in unit that handle 2 rotates, on the end face of plug-in unit lid 3, also have one and storage chamber 21 openings match deposit mouthfuls 31, has a chamber resettling 22 in the handle 2, the inner thread that one end cap 4 passes chamber resettling 22 on plug-in unit lid 3 backs and the handle 2 links together, these end cap 4 upper ends have one can cover plug-in unit the convex shoulder 41 of 3 axial limitings on handle 2, convex shoulder 41 in the form of a ring, under the state that end cap 4 and handle 2 are threaded togather, this convex shoulder 41 in the form of a ring is compressed on the upper surface of plug-in unit lid 3, as shown in Figure 5;

We also are provided with a lighting device in handle 2; This lighting device includes a plurality of LED7 that are integrated on the wiring board 6, be contained in the battery 8 in the chamber resettling 22, be threaded in the lamp holder 9 that handle 2 front ends are made with transparent material, be located in the push switch 5 on the end cap 4, wherein battery 8 is a dry cell, certainly also button cell or other rechargeable battery, push switch 5 generally is made up of switch body 51 and fur cap 52, the structure that lamp holder 9 is connected handle 2 front ends is: have one at handle 2 front ends and be the connecting portion 25 of column to lordosis, the front end of connecting portion 25 is shaped on external screw thread, the fore-end of described irregularly-shaped hole 23 just is positioned on this connecting portion 25, has a coupling part that extends internally 91 at lamp holder 9 centers, have the screwed hole that matches with connecting portion 25 front end external screw threads on the coupling part 91, connecting portion 25 front ends just are threaded in the screwed hole on the coupling part 91, formation one containing cavity 92 in the form of a ring between coupling part 91 and lamp holder 9 outer walls, described a plurality of LED7 is integrated on the wiring board 6 in the form of a ring, wiring board 6 is set on the connecting portion 25, and described LED7 just in time is contained in the described containing cavity 92, the LED7 front end also is provided with the reflecting piece 15 that a capable for LED 7 passes, as Fig. 5, shown in Figure 7;

Described LED7, switch 5, battery 8 conduct electricity successively and are connected to form luminous loop, the structure that its conduction is connected to form luminous loop is: have two

holes

26,27 that can supply anodal reed 10 and anode reed 14 to pass at handle 2 front ends, the pin of LED7 links together by anodal reed 10 and battery 8 anodal conductions; Chamber resettling 22 rear ends on handle 2 are fixed with that a usefulness metal material is made and the battery of hollow cover 11, described end cap 4 is also made with metal material, and this end cap 4 and battery cover 11 are threaded togather, also be equipped with a switch of placing switch 5 in the end cap 4 and overlap 12, one end of switch 5 contacts by tower spring 13 and the battery 8 negative poles conduction that is contained in the switch cover 12, this contacts the other end of switch 5 with metal end 4 conductions, and another pin of LED7 contacts by anode reed 14 and battery cover 11 conductions, as Fig. 5, shown in Figure 7, the structure that this conduction connects is similar with common flashlight.

Operation principle of the present invention is such:

When we are inserted into driver bit 1 in the storage chamber 21, turn plug-in unit lid 3, allow on the plug-in unit lid 3 deposit mouthfuls 31 and the opening of storage chamber 21 upper ends over against, then driver bit 1 is directly put in the storage chamber 21 from depositing mouth 31, turn plug-in unit lid 3 again, allow the opening of depositing mouth 31 and storage chamber 21 upper ends stagger, form the space of depositing driver bit 1 of front end sealing so between plug-in unit lid 3 and the storage chamber 21, then driver bit 1 just can not be from depositing mouthful 31 taking-ups, therefore we can be placed on driver bit 1 in the storage chamber 21, as shown in Figure 5 more loosely;

When we need take out driver bit 1, then select plug-in unit lid 3 once more, allow on the plug-in unit lid 3 deposit mouthfuls 31 and the opening of storage chamber 21 upper ends over against, then handle 2 is inverted, the driver bit 1 that is contained in the storage chamber 21 is poured out from depositing mouth 31, therefore driver bit 1 is taken out easily in storage chamber 21;

The realization of illumination functions of the present invention is very simple, only need press the push switch 5 on the end cap 4, and circuit is with regard to conducting, and the LED7 that is positioned at handle 2 front ends is luminous, and its operation principle is consistent with common flashlight, has not just launched detailed elaboration at this.

Claims

1, a kind of multifunctional screw driver, it includes the driver bit (1) of plurality of specifications, handle (2), the two can removably fixedly be assembled into one by same axis, the all sides of described handle (2) are distributed with a plurality of open rearward end, the storage chamber that is used to place driver bit (1) (21) of front end sealing, handle (2) rear end is arranged with a plug-in unit lid (3) that can rotate relative to handle (2), on the end face of plug-in unit lid (3), also have one and storage chamber (21) opening match deposit mouthful (31), has a chamber resettling (22) in the handle (2), one end cap (4) passes plug-in unit lid (3) inner thread back and the last chamber resettling (22) of handle (2) and links together, and this end cap (4) upper end has one and plug-in unit can be covered the convex shoulder (41) of (3) axial limiting on handle (2); Described handle also is provided with a lighting device in (2); Lighting device includes a plurality of LED (7) of being integrated on the wiring board (6), be contained in battery (8) in the chamber resettling (22), be threaded in lamp holder (9) that handle (2) front end makes with transparent material, be located in the push switch (5) on the end cap (4), LED (7) just is contained in the lamp holder (9), and described LED (7), switch (5), battery (8) conduct electricity successively and be connected to form luminous loop; It is characterized in that the structure that described lamp holder (9) is connected handle (2) front end is: have one at handle (2) front end and be the connecting portion (25) of column to lordosis, the front end of connecting portion (25) is shaped on external screw thread, the fore-end of described irregularly-shaped hole (23) just is positioned on this connecting portion (25), has a coupling part that extends internally (91) at lamp holder (9) center, have on the coupling part (91) and screwed hole that connecting portion (25) front end external screw thread matches, connecting portion (25) front end just is threaded in the screwed hole on the coupling part (91), formation one containing cavity (92) in the form of a ring between coupling part (91) and lamp holder (9) outer wall, described a plurality of LED (7) is integrated on the wiring board (6) in the form of a ring, wiring board (6) is set on the connecting portion (25), and described LED (7) just in time is contained in the described containing cavity (92).

2, multifunctional screw driver according to claim 1, it is characterized in that the structure that described driver bit (1) and the same axis of handle (2) removably fit together is: have at handle (2) front end center one with driver bit (1) rear end shape, the suitable irregularly-shaped hole (23) of size, the bottom in this irregularly-shaped hole (23) is fixed with the magnet (24) that driver bit (1) rear end can be held.

3, multifunctional screw driver according to claim 1 is characterized in that described LED (7), switch (5), battery (8) conduct electricity the structure that is connected to form luminous loop successively and be: the pin of LED (7) links together by anodal reed (10) and the anodal conduction of battery (8); Chamber resettling (22) rear end on handle (2) is fixed with that a usefulness metal material is made and the battery cover (11) of hollow, described end cap (4) is made with metal material, and this end cap (4) and battery cover (11) are threaded togather, also be equipped with the switch cover (12) of a placement switch (5) in the end cap (4), one end of switch (5) contacts by tower spring (13) and battery (8) the negative pole conduction that is contained in the switch cover (12), the other end of switch (8) and metal end (4) conduction contact, and another pin of LED (7) contacts by anode reed (14) and battery cover (11) conduction.

4, multifunctional screw driver according to claim 1 is characterized in that described storage chamber (21) one sides have one section and the extraneous open slot (211) that communicates vertically.

5, multifunctional screw driver according to claim 1, the convex shoulder (41) that it is characterized in that described end cap (4) upper end in the form of a ring, under the state that end cap (4) and handle (2) are threaded togather, this convex shoulder (41) in the form of a ring is compressed on the upper surface of plug-in unit lid (3).