CN203956821U - Detachable screwdriver - Google Patents

Abstract

The utility model discloses a kind of detachable screwdriver, its technical scheme main points are, include screwdriver handle, screwdriver rod and driver bit, described screwdriver handle and screwdriver rod are detachable setting, described screwdriver rod inside is provided with accommodating cavity and the described accommodating cavity that can place for cutter head and to being, runs through setting along screwdriver rod setting party, in described accommodating cavity, be provided with at least two driver bits, described driver bit includes a word cutter head and cross cutter head, a described word cutter head and cross cutter head are alternately stacked in accommodating cavity and a described word cutter head is all detachably and is fixedly connected with accommodating cavity with cross cutter head, the utility model has solved screwdriver when tightening not screw of the same race, be convenient for changing driver bit not of the same race, when driver bit damages, without changing standby screwdriver, only need disassembling, assembling and replacing driver bit of the same race.

Description

Detachable screwdriver

Technical field

The utility model relates to a kind of screwdriver, and more particularly, it relates to a kind of detachable screwdriver of replaceable driver bit.

Background technology

Screwdriver is a kind of relatively more conventional instrument that is used for twisting screw in people's life, in general daily life, using to be all a word or cross with the screw fixing substantially, making common screwdriver is all straight screwdriver or Phillips screwdriver, and great majority are all that a screwdriver is only joined a driver bit, cutter head is all fabricated from iron conventionally, therefore, each average family man the inside at least needs to be furnished with two screwdrivers, and conventionally because find again an inappropriate screwdriver during urgent need, feel confused, and can only change new screwdriver after the driver bit wearing and tearing of screwdriver, if the driver bit of straight screwdriver or Phillips screwdriver damages simultaneously, that just must change two screwdrivers, expensive time-consuming again.

Utility model content

The deficiency existing for prior art, the purpose of this utility model is to provide a kind of detachable screwdriver of replaceable driver bit.

For achieving the above object, the utility model provides following technical scheme: a kind of detachable screwdriver, include screwdriver handle, screwdriver rod and driver bit, screwdriver handle and screwdriver rod are detachable setting, in described accommodating cavity, be provided with at least two driver bits, screwdriver rod inside is provided with accommodating cavity and the accommodating cavity that can place for driver bit and to being, runs through setting along screwdriver rod setting party, driver bit includes a word cutter head and cross cutter head, one word cutter head and cross cutter head are alternately stacked in accommodating cavity and a word cutter head is all detachably and is fixedly connected with accommodating cavity with cross cutter head.

By adopting technique scheme, screwdriver handle and screwdriver rod are detachable setting, be convenient to next step and change driver bit, screwdriver rod inside is provided with accommodating cavity and the accommodating cavity that can place for driver bit and to being, runs through setting along screwdriver rod setting party, in described accommodating cavity, be provided with at least two driver bits, driver bit includes a word cutter head and cross cutter head, one word cutter head and cross cutter head are alternately stacked in accommodating cavity and a word cutter head is all detachably and is fixedly connected with accommodating cavity with cross cutter head, when needs are when changing driver bit, driver bit is subject to jacking force after screwdriver handle promotes to driver bit direction, a rear driver bit can be gone out previous driver bit pushing tow, be convenient for changing driver bit, after driver bit wearing and tearing, without again going to hard ware store, buy new screwdriver, only need to change the driver bit of the same race in screwdriver handle.

The utility model is further set to: described accommodating cavity includes some internal faces, on the internal face of accommodating cavity longitudinal direction, be relatively provided with one group of draw-in groove and draw-in groove and be positioned at the opposite side opening part that accommodating cavity is connected with screwdriver rod with respect to screwdriver handle, on one word cutter head and cross cutter head, be provided with unidirectional interface arrangment, unidirectional interface arrangment can be buckled in draw-in groove, realize unidirectional fixing.

By adopting technique scheme, when needs are when changing driver bit, driver bit is subject to jacking force after screwdriver handle promotes to driver bit direction, a rear driver bit can be put under draw-in groove and previous driver bit pushing tow is gone out by fixture block, when needs are reinstalled screw, because fixture block puts draw-in groove under, driver bit is fixing in screwdriver rod, can when the turn of the screw, in screwdriver rod, not rotate by driver bit.

The utility model is further set to: described unidirectional interface arrangment includes fixture block and elastic component, and fixture block and draw-in groove are provided with the lozenges of mutual adaptation and the lozenges of draw-in groove by the setting that faces down towards ground of draw-in groove bottom land to draw-in groove opening direction place.

By adopting technique scheme, fixture block and draw-in groove are provided with the lozenges of mutual adaptation and the lozenges of draw-in groove by the setting that faces down towards ground of draw-in groove bottom land to draw-in groove opening direction place, when needs are when changing driver bit, driver bit is subject to jacking force single after screwdriver handle promotes to driver bit direction, a rear driver bit can more conveniently be gone out previous driver bit pushing tow, is convenient to dismounting and change driver bit.

The utility model is further set to: on described screwdriver rod and screwdriver handle joint face, be provided with fixed block and screwdriver rod and fixed block and be and be wholely set, fixed block is connected with screwdriver handle that a side is provided with some grooves and groove inner surface is provided with recessed circle, screwdriver handle surface is provided with the block tongue suitable with groove, and block tongue is provided with the flange collar suitable with recessed circle.

By adopting technique scheme, by the groove that the fixed block being wholely set with screwdriver rod is provided with, by screwdriver handle surface, be provided with the block tongue suitable with groove firmly extracts in groove, when flange collar and recessed circle are removed after interlock completely, further with changing driver bit, and then the driver bit being ejected is put into from top, and then block tongue is inserted in groove, after flange collar and the complete interlock of recessed circle, just again form stable screwdriver, facilitate demolition, installation and fixed screw knife bar.

The utility model is further set to: the internal face of described accommodating cavity horizontal direction is provided with locating slot and locating slot along accommodating cavity setting party to setting, on one word cutter head and cross cutter head, correspondence is provided with the raised line suitable with locating slot, when cutter head is positioned at accommodating cavity, raised line is embedded in locating slot.

By adopting technique scheme, on one word cutter head and cross cutter head, correspondence is provided with the raised line suitable with locating slot, when cutter head is positioned at accommodating cavity, raised line is embedded in locating slot, when needs tighten the screws, because raised line is embedded in locating slot, driver bit is fixing in screwdriver rod, avoid driver bit when the turn of the screw to rotate in screwdriver rod.

The utility model is further set to: in described screwdriver handle, be provided with many groups one word cutter head and cross cutter head and a word cutter head and cross cutter head and be full of whole accommodating cavity.

By adopting technique scheme, when the convenient wearing and tearing of the driver bit at screwdriver maybe need to change driver bit, follow and change a word cutter head and cross cutter head, without going to hard ware store to buy new screwdriver, one word cutter head and cross cutter head are full of whole accommodating cavity, when needs tighten the screws, avoid driver bit driver bit when withstanding screw to move in accommodating cavity.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the utility model detachable screwdriver embodiment;

Fig. 2 is the screwdriver handle front view of the utility model detachable screwdriver;

Fig. 3 is the screwdriver rod top view of the utility model detachable screwdriver;

Fig. 4 is the driver bit schematic diagram of the utility model detachable screwdriver;

Fig. 5 is that the driver bit of the utility model detachable screwdriver is placed on screwdriver rod along the cutaway view of A-A line in Fig. 3.

Reference numeral: 1, screwdriver handle; 11, block tongue; 12, flange collar; 2, screwdriver rod; 21, fixed block; 211, groove; 212, recessed circle; 22, accommodating cavity; 221, draw-in groove; 222, locating slot; 3, driver bit; 31, a word cutter head; 32, cross cutter head; 33, fixture block; 34, raised line; 35, piece groove; 36, elastic component.

The specific embodiment

Referring to figs. 1 through Fig. 5, the utility model detachable screwdriver embodiment is described further.

A kind of detachable screwdriver, include screwdriver handle 1, screwdriver rod 2 and driver bit 3, screwdriver handle 1 and screwdriver rod 2 are detachable setting, screwdriver rod 2 inside are provided with accommodating cavity 22 and the accommodating cavity 22 that can place for driver bit 3 and to being, run through setting along screwdriver rod 2 setting parties, in described accommodating cavity 22, be provided with at least two driver bits 3, driver bit 3 includes a word cutter head 31 and cross cutter head 32, one word cutter head 31 and cross cutter head 32 are alternately stacked in accommodating cavity 22 and a word cutter head 31 is all detachably and is fixedly connected with accommodating cavity 22 with cross cutter head 32.

Described screwdriver handle 1 and screwdriver rod 2 are detachable setting, on screwdriver rod 2 and screwdriver handle 1 joint face, be provided with fixed block 21 and screwdriver rod 2 is and is wholely set with fixed block 21, fixed block 21 is connected side edge with screwdriver handle 1 is provided with equidistantly some groove 211 and groove 211 inner surfaces for one week and is provided with recessed circle 212, screwdriver handle 1 surface is provided with the block tongue 11 suitable with groove 211, block tongue 11 is provided with the flange collar 12 suitable with recessed circle 212, block tongue 11 inserts after groove 211, rely on flange collar 12 and effective interlock of recessed circle 212 to reach the object of clamping, firmly to next, pull out the effective interlock that can remove flange collar 12 and recessed circle 212.

Described accommodating cavity 22 is rectangular-shaped, its accommodating cavity 22 centers and screwdriver rod 2 centers are same point, on the internal face of accommodating cavity 22 longitudinal directions, be relatively provided with one group of draw-in groove 221 and draw-in groove 221 is positioned at the opposite side opening part that accommodating cavity 22 is connected with screwdriver rod 2 with respect to screwdriver handle 1, on one word cutter head 31 and cross cutter head 32, be provided with unidirectional interface arrangment, unidirectional interface arrangment can be buckled in draw-in groove 221 interior realize unidirectional fixing, unidirectional interface arrangment includes fixture block 33 and elastic component 36, fixture block 33 and draw-in groove 221 are provided with the lozenges of mutual adaptation and the lozenges of draw-in groove 221 is arranged towards driver bit 3 directions by draw-in groove 221 bottom lands to draw-in groove 221 opening direction places, on one word cutter head 31 and cross cutter head 32, be equipped with piece groove 35, can supply fixture block 33 elastic telescopics, piece groove 35 bottoms are fixedly connected with elastic component 36 one end, elastic component 36 other ends are fixedly connected on fixture block 33 surfaces, (it should be noted that herein, the lozenges of draw-in groove 221 can be quadrant arc surfaced, in order to be subject to jacking force when screwdriver handle promotes to driver bit direction when driver bit, convenient dismounting downwards, the present embodiment is preferred, the lozenges of draw-in groove 221 is rectangle).

The internal face of described accommodating cavity 22 horizontal directions is provided with locating slot 222 and locating slot 222 along accommodating cavity 22 setting parties to setting, on one word cutter head 31 and cross cutter head 32, correspondence is provided with the raised line 34 suitable with locating slot 222, when driver bit 3 is positioned at accommodating cavity 22, raised line 34 is embedded in described locating slot 222, for being installed, a word cutter head 31 or the cross cutter head 32 of screw be exposed to outside screwdriver rod 2, (it should be noted that herein, one word cutter head 31 and cross cutter head 32 are wholely set and are formed by square body bulk and driver bit 3, when need bit rotary screwdriver when screw is installed, for preventing that a word cutter head 31 or cross cutter head 32 are in the interior rotation of screwdriver rod 2, the present embodiment is preferred, one word cutter head 31 and cross cutter head 32 are wholely set and are formed by square body bulk and driver bit 3).

Present specification specific implementation process: when needs are when changing driver bit 3, the groove 211 that the fixed block 21 being wholely set with screwdriver rod 2 is provided with is provided with the block tongue suitable with groove 211 11 by screwdriver handle 1 surface and firmly in groove 211, extracts, when flange collar 12 and recessed circle 212 are removed after interlock completely, driver bit 3 is subject to jacking force after screwdriver handle 1 promotes to driver bit 3 directions, a rear driver bit 3 can be said and put fixture block 33 under draw-in groove 221 and previous driver bit 3 pushing tows are gone out by the elastic telescopic of elastic component 36, and then the driver bit being ejected 3 is put into from top, again form stable screwdriver rod 2, and then the groove 211 that the fixed block 21 being wholely set with screwdriver rod 2 is provided with is provided with the block tongue suitable with groove 211 11 by screwdriver handle 1 surface and inserts in grooves 211, after flange collar 12 and the complete interlock of recessed circle 212, just again form stable screwdriver, when needs are reinstalled screw, because fixture block 33 puts draw-in groove 221 under, raised line 34 is embedded in locating slot 222, driver bit 3 is interior fixing at screwdriver rod 2, can be when the turn of the screw driver bit 3 in the interior rotation of screwdriver rod 2.

The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (6)

1. a detachable screwdriver, include screwdriver handle, screwdriver rod and driver bit, it is characterized in that: described screwdriver handle and screwdriver rod are detachable setting, described screwdriver rod inside is provided with accommodating cavity and the described accommodating cavity that can place for driver bit and to being, runs through setting along screwdriver rod setting party, in described accommodating cavity, be provided with at least two driver bits, described driver bit includes a word cutter head and cross cutter head, a described word cutter head and cross cutter head are alternately stacked in accommodating cavity and a described word cutter head is all detachably and is fixedly connected with accommodating cavity with cross cutter head.

2. detachable screwdriver according to claim 1, it is characterized in that: described accommodating cavity includes some internal faces, on the internal face of described accommodating cavity longitudinal direction, be relatively provided with one group of draw-in groove and draw-in groove and be positioned at the opposite side opening part that accommodating cavity is connected with screwdriver rod with respect to screwdriver handle, on a described word cutter head and cross cutter head, be provided with unidirectional interface arrangment, described unidirectional interface arrangment can be buckled in draw-in groove, realize unidirectional fixing.

3. detachable screwdriver according to claim 2, it is characterized in that: described unidirectional interface arrangment includes fixture block and elastic component, described fixture block and draw-in groove are provided with the lozenges of mutual adaptation and the lozenges of described draw-in groove by the setting that faces down towards ground of draw-in groove bottom land to draw-in groove opening direction place.

4. detachable screwdriver according to claim 3, it is characterized in that: on described screwdriver rod and screwdriver handle joint face, be provided with fixed block and screwdriver rod and fixed block and be and be wholely set, described fixed block is connected with screwdriver handle that a side is provided with some grooves and groove inner surface is provided with recessed circle, described screwdriver handle surface is provided with the block tongue suitable with groove, and block tongue is provided with the flange collar suitable with recessed circle.

5. detachable screwdriver according to claim 4, it is characterized in that: the internal face of described accommodating cavity horizontal direction is provided with locating slot and described locating slot along described accommodating cavity setting party to setting, on a described word cutter head and cross cutter head, correspondence is provided with the raised line suitable with locating slot, when described cutter head is positioned at accommodating cavity, described raised line is embedded in described locating slot.

6. according to the detachable screwdriver described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: in described screwdriver handle, be provided with many groups one word cutter head and cross cutter head and a word cutter head and cross cutter head and be full of whole accommodating cavity.