阅读说明：本技术 一种错位限位螺丝刀头防丢内置式螺丝刀 (Dislocation limit screwdriver bit anti-lost built-in screwdriver ) 是由 张凤英 于 2021-08-21 设计创作，主要内容包括：本发明公开了一种错位限位螺丝刀头防丢内置式螺丝刀,包括旋转座、旋转辊、螺丝刀头、螺丝刀头座和用于带动螺丝刀头转动的转动驱动机构；所述旋转座上设置有至少两个同轴转动的旋转辊；所述螺丝刀头座活动设置在旋转座上端,所述旋转座上端设置有用于供螺丝刀头在旋转辊与螺丝刀头座之间通过的第一通孔；所述旋转辊上呈环状排列设置有螺丝刀头储藏室和螺丝刀头通道孔,所述螺丝刀头储藏室内设置有螺丝刀头。本发明能够在使螺丝刀本体和螺丝刀不分离的状态下完成更换螺丝刀头的工作,螺丝刀头不容易丢失；该螺丝刀使用方便、应用灵活；可以使螺丝刀既可以手动操作使用,也可以电动操作使用,适应性强。(The invention discloses an anti-lost built-in screwdriver with staggered limit screwdriver bits, which comprises a rotating seat, a rotating roller, the screwdriver bits, a screwdriver bit seat and a rotation driving mechanism for driving the screwdriver bits to rotate, wherein the rotating seat is provided with a plurality of rotating rollers; at least two rotating rollers which rotate coaxially are arranged on the rotating seat; the screwdriver head seat is movably arranged at the upper end of the rotating seat, and a first through hole for the screwdriver head to pass through between the rotating roller and the screwdriver head seat is formed in the upper end of the rotating seat; the rotary roller is provided with a screwdriver head storage chamber and screwdriver head channel holes in an annular arrangement mode, and screwdriver heads are arranged in the screwdriver head storage chamber. The screwdriver head can be replaced under the condition that the screwdriver body and the screwdriver are not separated, and the screwdriver head is not easy to lose; the screwdriver is convenient to use and flexible to apply; the screwdriver can be operated manually or electrically, and has strong adaptability.)

1. The utility model provides a built-in screwdriver is prevented losing by spacing screwdriver bit of dislocation which characterized in that: the screwdriver comprises a rotating seat, a rotating roller, a screwdriver head seat and a rotating driving mechanism for driving the screwdriver head to rotate;

at least two rotating rollers which rotate coaxially are arranged on the rotating seat;

the screwdriver head seat is movably arranged at the upper end of the rotating seat, and a first through hole for the screwdriver head to pass through between the rotating roller and the screwdriver head seat is formed in the upper end of the rotating seat;

a screwdriver head storage chamber and a screwdriver head channel hole are arranged on the rotary roller in an annular manner, a screwdriver head inlet and a screwdriver head outlet for the screwdriver head to pass through are formed in the upper end of the screwdriver head storage chamber, and a screwdriver head is arranged in the screwdriver head storage chamber;

and a rotation driving mechanism for driving the screwdriver head to rotate is arranged between the screwdriver head seat and the screwdriver head or between the end part of the rotating seat and the screwdriver head.

2. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 1, wherein: the roating seat includes rotation axis, last spacing board and lower spacing board, it sets firmly in the rotation axis upper end to go up the spacing board, lower spacing board sets firmly at the rotation axis lower extreme, rotatory roller is located between last spacing board and the lower spacing board, be provided with the pivot hole on the rotatory roller, the rotation axis passes the pivot hole.

3. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 1, wherein: the rotating base comprises a rotating sleeve, an upper limiting plate and a lower limiting plate, the upper limiting plate is fixedly arranged at the upper end of the rotating sleeve, the lower limiting plate is fixedly arranged at the lower end of the rotating sleeve, the rotating roller is positioned between the upper limiting plate and the lower limiting plate, and the rotating sleeve is sleeved on the rotating roller.

4. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 1, wherein: the rotary driving mechanism is located between the screwdriver head and the screwdriver head seat, the rotary driving mechanism comprises a side limiting groove and a side limiting bulge, the side limiting groove and the side limiting bulge can only slide back and forth relatively and are respectively arranged in an inner hole of the screwdriver head seat and on the side surface of the screwdriver head, and the side limiting bulge is arranged in the side limiting groove.

5. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 1, wherein: the rotary driving mechanism is located between the screwdriver head and the end portion of the rotary seat, the rotary driving mechanism comprises an end limiting groove and an end limiting protrusion, the end limiting groove and the end limiting protrusion are respectively arranged on the mutual contact surface of the end portion of the rotary seat and the screwdriver head, and the end limiting protrusion is arranged in the end limiting groove.

6. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 5, wherein: still include driving motor, driving motor sets up in the roating seat upper end, driving motor's rotation axis and end spacing arch rotate the transmission and are connected.

7. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 1, wherein: the screwdriver head seat comprises a screwdriver head rotating seat and a screwdriver head sleeve seat, one end of the screwdriver head rotating seat is hinged to the upper end of the rotating seat through a pin shaft, and the other end of the screwdriver head rotating seat is fixedly arranged on the screwdriver head sleeve seat.

8. The internal screwdriver with dislocation limiting screwdriver bit capable of preventing loss as claimed in claim 1, wherein: screwdriver head seat includes screwdriver head cover barrel seat, screwdriver head slide guide rail and screwdriver head seat of sliding, screwdriver head slide guide rail sets firmly at the roating seat tip, screwdriver head cover barrel seat sets firmly on screwdriver head seat of sliding, screwdriver head seat of sliding slides and sets up on screwdriver head slide guide rail.

9. The internal screwdriver with dislocation limiting screwdriver bits as claimed in any one of claims 1 to 8, wherein: a partition plate is arranged between the rotary rollers on the rotary seat, and a second through hole for the screwdriver head to pass through and out of the screwdriver head seat is formed in the partition plate.

10. The internal screwdriver with dislocation limiting screwdriver bits as claimed in any one of claims 1 to 8, wherein: the screwdriver head lower extreme is provided with first spacing protruding, screwdriver head cover barrel seat upper end inside is provided with the spacing protruding second that is used for restricting spacing protruding to pass through.

11. The internal screwdriver with dislocation limiting screwdriver bits as claimed in any one of claims 1 to 8, wherein: the lower end of the rotating seat is provided with an ejector rod used for ejecting a screwdriver head into the screwdriver head seat from the rotating roller, and the lower end of the screwdriver head storage chamber is provided with an ejection hole through which only the ejector rod passes in the ejector rod and the screwdriver head.

Technical Field

The invention relates to the technical field of screwdrivers, in particular to the technical field of a staggered limit screwdriver head anti-lost built-in screwdriver.

Background

The screwdriver body and the screwdriver head of the traditional multi-head screwdriver are separated when being replaced, after the screwdriver head is used up, other screwdriver heads need to be replaced, the original screwdriver head needs to be extracted, then a new screwdriver head is replaced, meanwhile, the screwdriver head needing to be replaced is arranged in a box which is specially used for storing the screwdriver head, the taking and placing of the screwdriver head are troublesome, and sometimes during work emergency, the replaced screwdriver head is randomly placed and easily lost.

The invention patent with the patent number CN105082043A discloses an electric screwdriver with semi-automatic nail feeding, which stores screws through screw holes in a nail feeding device, drives a drill bit to rotate through a screwdriver main body, and ejects out the screws in the screw holes through the drill bit and screws the screws to rotate, and aims at solving the problem that when the screws are screwed by a screwdriver, the screws are too small and are inconvenient to fix; the effect that above-mentioned patent reaches is when screwing up the screw through this send nail device, do not need the operator to fix the position of waiting to twist the screw with the hand in person, thereby the efficiency of work has been improved, after a screw is twisted on the work piece, only need to rotate the screw carousel, can make the new screw hole that is equipped with the screw aim at the drill bit, the technological effect of this patent does not reach and can make screwdriver body and screwdriver accomplish the change under the state that does not separate, it is convenient to make screwdriver head change, high efficiency, it is difficult to lose to make screwdriver head simultaneously, a large amount of screwdriver heads can be stored to screwdriver inside simultaneously, and the normal use of screwdriver is not influenced.

This patent only discloses the structure and the assembly characteristic that set up one deck screw carousel simultaneously, and when setting up multilayer screw carousel, how the screw carousel of going into the lower part through the upper portion of screw, conveniently gets simultaneously and puts each layer screw carousel, and the operation is not troublesome, does not disclose corresponding technical characteristic in this patent. Meanwhile, the patent document does not disclose the matching mode and the structural characteristics of each screw turntable on the premise of conveniently taking and placing the screws. When the screws are unscrewed from the workpiece, storage is not necessary, and if the screws are stored in the lower screw turnplate, how is done, and the normal use of other drill bits is not influenced.

The model of drill bit is fixed among the technical scheme that this patent is disclosed, does not have corresponding technical characterstic about screwdriver head changes, can't satisfy the demand of different model screwdriver head's quick replacement, does not disclose corresponding technical characterstic yet.

The patent only sets up the screw hole for storing the screw on the screw carousel, does not disclose when setting up the multilayer screw carousel, and the problem of the screw business turn over in the lower floor screw carousel, how to screw on the work piece with the cooperation of drill bit on the screw on the lower floor screw carousel, and above-mentioned problem is not disclosed in this patent document.

The utility model with the patent number of CN2810909 discloses a combined screwdriver, which mainly aims at the technical problem that the problem of difficulty in checking and pulling out the jack of the screwdriver is solved due to the fact that the traditional screwdriver head fixes the screwdriver head by using the elasticity or the buckle of the jack in order to prevent the screwdriver head from easily falling off from the jack; screwdriver and screwdriver body separation all need be made in every change of screwdriver in this patent, if the staff can not all adorn immediately on the screwdriver body with the screwdriver that all will change to every time, screwdriver head loses easily, all will follow the screwdriver body with the screwdriver head simultaneously and take off the change at every turn, troublesome poeration.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides an anti-lost built-in screwdriver with staggered limit screwdriver bits, solves the problem that the operation is troublesome when the screwdriver bit needs to be replaced under the condition that a screwdriver body needs to be separated from the screwdriver bit in the using process of the existing screwdriver, and simultaneously solves the problem that the screwdriver bit is easy to lose due to the fact that the traditional screwdriver body needs to be separated from the screwdriver bit.

In order to achieve the purpose, the invention provides a dislocation limiting screwdriver bit anti-lost built-in screwdriver, which comprises a rotating seat, a rotating roller, a screwdriver bit seat and a rotation driving mechanism for driving the screwdriver bit to rotate;

at least two rotating rollers which rotate coaxially are arranged on the rotating seat;

the screwdriver head seat is movably arranged at the upper end of the rotating seat, and a first through hole for the screwdriver head to pass through between the rotating roller and the screwdriver head seat is formed in the upper end of the rotating seat;

a screwdriver head storage chamber and a screwdriver head channel hole are arranged on the rotary roller in an annular manner, a screwdriver head inlet and a screwdriver head outlet for the screwdriver head to pass through are formed in the upper end of the screwdriver head storage chamber, and a screwdriver head is arranged in the screwdriver head storage chamber;

and a rotation driving mechanism for driving the screwdriver head to rotate is arranged between the screwdriver head seat and the screwdriver head or between the end part of the rotating seat and the screwdriver head.

Preferably, the rotating base comprises a rotating shaft, an upper limiting plate and a lower limiting plate, the upper limiting plate is fixedly arranged at the upper end of the rotating shaft, the lower limiting plate is fixedly arranged at the lower end of the rotating shaft, the rotating roller is positioned between the upper limiting plate and the lower limiting plate, a rotating shaft hole is formed in the rotating roller, and the rotating shaft penetrates through the rotating shaft hole.

Preferably, the rotating base comprises a rotating sleeve, an upper limiting plate and a lower limiting plate, the upper limiting plate is fixedly arranged at the upper end of the rotating sleeve, the lower limiting plate is fixedly arranged at the lower end of the rotating sleeve, the rotating roller is positioned between the upper limiting plate and the lower limiting plate, and the rotating sleeve is sleeved on the rotating roller.

Preferably, the rotation driving mechanism is located between the screwdriver head and the screwdriver head seat, the rotation driving mechanism comprises a side limiting groove and a side limiting bulge, the side limiting groove and the side limiting bulge can only slide back and forth relative to each other and are respectively arranged in an inner hole of the screwdriver head seat and on the side surface of the screwdriver head, and the side limiting bulge is arranged in the side limiting groove.

Preferably, the rotation driving mechanism is located between the screwdriver head and the end portion of the rotary seat, the rotation driving mechanism comprises an end limiting groove and an end limiting protrusion, the end limiting groove and the end limiting protrusion are respectively arranged on the mutual contact surface of the end portion of the rotary seat and the screwdriver head, and the end limiting protrusion is arranged in the end limiting groove.

Preferably, the rotary table further comprises a driving motor, the driving motor is arranged at the upper end of the rotary seat, and a rotating shaft of the driving motor is in rotating transmission connection with the end limiting protrusion.

Preferably, the screwdriver head seat comprises a screwdriver head rotating seat and a screwdriver head sleeve seat, one end of the screwdriver head rotating seat is hinged to the upper end of the rotating seat through a pin shaft, and the other end of the screwdriver head rotating seat is fixedly arranged on the screwdriver head sleeve seat.

Preferably, the screwdriver head seat comprises a screwdriver head sleeve seat, a screwdriver head sliding guide rail and a screwdriver head sliding seat, the screwdriver head sliding guide rail is fixedly arranged at the end part of the rotating seat, the screwdriver head sleeve seat is fixedly arranged on the screwdriver head sliding seat, and the screwdriver head sliding seat slides and is arranged on the screwdriver head sliding guide rail.

Preferably, a partition board is arranged between the rotary rollers on the rotary seat, and a second through hole for the screwdriver head to pass in and out of the screwdriver head seat is formed in the partition board.

Preferably, the lower end of the screwdriver head is provided with a first limiting protrusion, and the inner part of the upper end of the screwdriver head sleeve seat is provided with a second limiting protrusion for limiting the limiting protrusion to pass through.

Preferably, the lower end of the rotary seat is provided with an ejector rod for ejecting the screwdriver bit from the rotary roller into the screwdriver bit seat, and the lower end of the screwdriver bit storage chamber is provided with an ejector hole for only allowing the ejector rod to pass through.

The invention has the beneficial effects that: according to the screwdriver, the screwdriver head is arranged inside the screwdriver body, so that the screwdriver head can be replaced under the condition that the screwdriver body and the screwdriver are not separated, the screwdriver head is convenient and efficient to replace, and meanwhile, the screwdriver head is not easy to lose; by arranging the plurality of rotating rollers, more screwdriver bits can be stored in the screwdriver, the normal use of the screwdriver is not influenced, and the screwdriver is convenient to use and flexible to apply; the screwdriver head and the screwdriver head sleeve seat are provided with the structures for limiting the screwdriver head to completely slide out of the screwdriver head sleeve seat, so that the screwdriver head can be absolutely prevented from being lost, the screwdriver head seat is movably arranged at the upper end of the rotary seat, the screwdriver can work, the screwdriver head is arranged at the center of the end part of the screwdriver and is externally arranged, the driving motor is arranged at the upper end of the rotary seat, the screwdriver can be manually operated and also can be electrically operated, and the adaptability is high.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings in which like reference characters refer to like features throughout and in which:

FIG. 1 is a top view of one embodiment of a dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 2 is a front view of an embodiment of a dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 3 is a right side view of one embodiment of a dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 4 is a perspective view of one embodiment of an anti-lost interior screwdriver with staggered limit screwdriver bits according to the present invention;

FIG. 5 is an exploded view of an embodiment of the dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 6 is a top view of another embodiment of an anti-lost interior screwdriver with staggered limit screwdriver bits according to the present invention;

FIG. 7 is a front view of another embodiment of a dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 8 is a right side view of another embodiment of a dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 9 is a perspective view of another embodiment of an anti-lost interior screwdriver with staggered limit screwdriver bits according to the present invention;

FIG. 10 is an exploded view of another embodiment of a dislocation limiting screwdriver bit anti-lost interior screwdriver of the present invention;

FIG. 11 is a top view of the rotating roller;

fig. 12 is a bottom perspective view of the rotating roller.

In the figure: 1-rotating seat, 101-rotating shaft, 102-upper limiting plate, 103-lower limiting plate, 104-rotating sleeve, 105-partition plate, 2-rotating roller, 21-screwdriver bit storage chamber, 22-screwdriver bit channel hole, 25-material ejecting hole, 26-rotating shaft hole, 3-ejector rod, 4-screwdriver bit seat, 41-screwdriver bit rotating seat, 42-screwdriver bit sleeve seat, 43-screwdriver bit sliding guide rail, 44-screwdriver bit sliding seat, 5-screwdriver bit limiting groove, 6-screwdriver bit and 7-driving motor.

Detailed Description

In the first embodiment, referring to fig. 1-3 and fig. 6-8 and fig. 11 and 12, the anti-lost built-in screwdriver with dislocation limiting screwdriver bits of the present invention comprises a rotary base 1, a rotary roller 2, a screwdriver bit 6, a screwdriver bit holder 4 and a rotation driving mechanism for driving the screwdriver bit 6 to rotate;

the rotating seat 1 is provided with at least two rotating rollers 2 which rotate coaxially;

the screwdriver head seat 4 is movably arranged at the upper end of the rotating seat 1, the upper end of the rotating seat 1 is provided with a first through hole for the screwdriver head 6 to pass through between the rotating roller 2 and the screwdriver head seat 4, the lower end of the screwdriver head 6 in the screwdriver head seat 4 is far away from the first through hole by rotating or sliding the screwdriver head seat 4, and meanwhile, the screwdriver head seat is propped against the end part of the rotating seat 1, so that the purpose of limiting the screwdriver head 6 in a vertical sliding manner is achieved;

the rotary roller 2 is provided with screwdriver bit storage chambers 21 and screwdriver bit passage holes 22 in a ring arrangement around the axis thereof, the upper ends of the screwdriver bit storage chambers 21 are provided with screwdriver bit 6 inlets and outlets for the screwdriver bits 6 to pass through, the screwdriver bit storage chambers 21 are internally provided with the screwdriver bits 6, the screwdriver bit storage chambers 21 are used for storing the screwdriver bits 6, the more the number of the screwdriver bit storage chambers 21 is, the more the number of the screwdriver bits 6 can be stored, the screwdriver bit passage holes 22 are used for enabling the screwdriver bits 6 to pass through the rotary roller 2, when the number of the screwdriver bit passage holes 22 is one, if the screwdriver bits 6 on other rotary rollers 2 need to pass through from the rotary roller 2, a larger angle may need to be rotated to enable the screwdriver bit passage holes 22 to be opposite to the screwdriver bits 6 to pass through, when the number of the screwdriver bit passage holes 22 is multiple, only need rotate less angle can make screwdriver bit passageway hole 22 aim at the screwdriver 6 of waiting to pass through, can set up 2 screwdriver bit passageway holes 22 in the actual production process symmetrically, other positions set up screwdriver bit storehouses 21. When the screwdriver head 6 on a certain rotary roller 2 is needed in the using process, the rotary roller 2 is rotated, the needed screwdriver head 6 is opposite to the first through hole, then other rotary rollers 2 are rotated, the screwdriver head channel holes 22 on other rotary rollers 2 are opposite to the first through hole, the screwdriver head 6 finally enters the screwdriver head seat 4 through inverting the screwdriver and depending on gravity, the screwdriver head 6 slides out of the head part of the screwdriver head 6 from the end part of the screwdriver head seat 4, then the screwdriver head seat 4 is moved or rotated, and the screwdriver head 6 is enabled to be staggered with the first through hole and not aligned. In order to conveniently identify different screwdriver bits 6, the type or shape marks of the screwdriver bits 6 can be arranged on the outer side of the screwdriver bit storage chamber 21, so that people can conveniently select different sizes and types of screwdriver bits 6 corresponding to screws with different sizes, and the rotating roller 2 can also be made of transparent materials; a see-through hole may be provided in the rotary roller 2 through which the screwdriver bit 6 provided in the screwdriver bit storage chamber 21 is viewed; because the types of the screwdriver heads 6 are more, the screwdriver head storage chamber 21 is used for storing the screwdriver heads 6 of different types so as to meet the assembling and disassembling requirements of screws of different types;

a rotation driving mechanism for driving the screwdriver head 6 to rotate is arranged between the screwdriver head seat 4 and the screwdriver head 6 or between the end part of the rotating seat 1 and the screwdriver head 6, when the rotation driving mechanism is arranged between the screwdriver head seat 4 and the screwdriver head 6, the screwdriver head 6 is driven to rotate through the screwdriver head seat 4, and a screw is screwed through manually rotating the rotating seat 1 in the application process of the screwdriver; when the rotation driving mechanism is arranged between the end part of the rotating seat 1 and the screwdriver head 6, the screwdriver head 6 is driven to rotate through the rotating seat 1, and screws are assembled and disassembled by manually rotating the rotating seat 1 in the application process of the screwdriver.

3 rotating rollers 2 can be coaxially arranged on the rotating base 1, as shown in fig. 1-4, the larger the number of the rotating rollers 2, the larger the number of the screwdriver bits 6 can be stored, but the longer the total length of the screwdriver, so the specific number of the rotating rollers 2 is selected according to the requirement.

As shown in fig. 4, 5, 9 and 10, the rotary base 1 includes a rotary shaft 101, an upper limiting plate 102 and a lower limiting plate 103, the upper limiting plate 102 is fixed at the upper end of the rotary shaft 101, the lower limiting plate 103 is fixed at the lower end of the rotary shaft 101, the rotary roller 2 is located between the upper limiting plate 102 and the lower limiting plate 103, the rotary roller 2 is provided with a rotary shaft hole 26, the rotary shaft 101 passes through the rotary shaft hole 26, the upper limiting plate 102 and the lower limiting plate 103 limit the vertical sliding motion of the rotary roller 2, the rotary roller 2 is limited in the front-back and left-right directions by the rotary shaft 101 passing through the rotary roller 2, so that the rotary roller 2 can only rotate on the rotary shaft 101, and the purpose of alternately enabling the screwdriver bits 6 and the screwdriver bit passage hole 22 on different rotary rollers 2 to be opposite to the screwdriver bit holder 4 is achieved.

The rotary driving mechanism is positioned between the screwdriver head 6 and the screwdriver head seat 4, the rotary driving mechanism comprises a side limiting groove and a side limiting bulge which can only relatively slide back and forth and are respectively arranged in an inner hole of the screwdriver head seat 4 and on the side surface of the screwdriver head 6, the side limiting bulge is arranged in the side limiting groove, the side limiting bulge can only slide up and down in the side limiting groove and cannot rotate, in the application process of the screwdriver, the rotary seat 1 is rotated to drive the screwdriver head seat 4 to rotate, the screwdriver head seat 4 is driven to drive the screwdriver head 6 to rotate, the screwdriver head 6 is rotated, in order to enable the side limiting groove and the side limiting bulge to only slide up and down, the screwdriver head seat can not relatively rotate, the cross section of the inner hole of the screwdriver head seat 4 can have various shapes and can be hexagonal, quadrangular or elliptical, and the cross section of the corresponding screwdriver head 6 is hexagonal, The cross section of the inner hole of the screwdriver head seat 4 and the cross section of the screwdriver head 6 are in any shape, and finally, the screwdriver head seat 4 can drive the screwdriver head 6 to rotate.

As shown in fig. 1-5, the screwdriver head seat 4 includes a screwdriver head rotary seat 41 and a screwdriver head sleeve seat 42, one end of the screwdriver head rotary seat 41 is hinged on the upper end of the rotary seat 1 through a pin, the other end is fixed on the screwdriver head sleeve seat 42, in order to perform more stable limiting on the screwdriver head 6, a screwdriver head limiting groove 5 can be arranged on the upper end of the rotary seat 1, when the screwdriver head limiting groove 5 is arranged on the side portion of the screwdriver head seat 4 on the rotary seat 1, the screwdriver head rotary seat 41 is rotated to enable the screwdriver head sleeve seat 42 to be opposite to the screwdriver head limiting groove 5, and the lower end of the screwdriver head 6 is arranged in the screwdriver head limiting groove 5 when screwing.

Can make screwdriver head cover barrel holder 42 relative with screwdriver head storeroom 21 or screwdriver head access hole 22 on the rotatory roller 2 through rotating screwdriver head roating seat 41, thereby can make screwdriver head 6 move between rotatory roller 2 and screwdriver head cover barrel holder 42, back in screwdriver head 6 lower extreme gets into screwdriver head cover barrel holder 42, make screwdriver head 6 relative with screwdriver head spacing groove 5 through rotating screwdriver head roating seat 41, make screwdriver head 6 lower extreme get into screwdriver head spacing groove 5 under the pressure during the screw of twisting, no matter rotate actuating mechanism and set up between screwdriver head barrel holder 42 and screwdriver head 6 or set up between roating seat 1 tip and screwdriver head 6, all can drive screwdriver head 6 through manual rotation roating seat 1 and rotate. When the screwdriver bit limiting groove 5 is not formed in the rotary base 1, in the screwing process, if the rotation driving mechanism is arranged between the screwdriver bit seat 4 and the screwdriver bit 6, the screwdriver bit rotary base 41 can be driven to rotate around the screwdriver bit 6 by manually rotating the rotary base 1, and the screwdriver bit 6 is driven to rotate by the revolution of the screwdriver bit rotary base 41; if rotate actuating mechanism and set up when between 1 tip of roating seat and screwdriver head 6, can directly drive screwdriver head 6 through manual rotation roating seat 1 and rotate, to sum up no matter rotate actuating mechanism and set up between screwdriver head seat 4 and screwdriver head 6 or set up between 1 tip of roating seat and screwdriver head 6, have or not screwdriver head spacing groove 5 and all can reach the purpose that utilizes screwdriver head 6 to rotate the screw, it is spacing more stable to screwdriver head 6 only to have screwdriver head spacing groove 5.

Second embodiment, this embodiment is based on the above-mentioned embodiment, and is obtained by using the structure of the rotary base 1 in this embodiment instead of the rotary base 1 in the above-mentioned embodiment, as shown in fig. 4, 5, 9 and 10, the rotary base 1 includes a rotary sleeve 104, an upper limiting plate 102 and a lower limiting plate 103, the upper limiting plate 102 is fixedly arranged at the upper end of the rotating sleeve 104, the lower limiting plate 103 is fixedly arranged at the lower end of the rotating sleeve 104, the rotating roller 2 is positioned between the upper limiting plate 102 and the lower limiting plate 103, the rotating sleeve 104 is sleeved on the rotating roller 2, the upper limiting plate 102 and the lower limiting plate 103 limit the rotating roller 2 to move up and down, meanwhile, the rotating roller 2 is limited through the rotating sleeve 104, so that the rotating roller 2 can only rotate in the rotating sleeve 104, and the rotating roller 2 rotates in the rotating sleeve 104, thereby achieving the purpose of enabling the screwdriver bits 6 and the screwdriver bit passage holes 22 on different rotating rollers 2 to be right opposite to the screwdriver bit seat 4.

Third embodiment, this embodiment is based on the above embodiment, and is obtained by replacing the rotation driving mechanism in the above embodiment with the rotation driving mechanism in this embodiment, the rotation driving mechanism is located between the screwdriver bit 6 and the end of the rotary seat 1, the rotation driving mechanism includes an end limiting groove and an end limiting protrusion, the end limiting groove and the end limiting protrusion are respectively arranged on the mutual contact surface of the end of the rotary seat 1 and the screwdriver bit 6, the end limiting protrusion is arranged in the end limiting groove, the end limiting protrusion can only slide up and down in the end limiting groove and can not rotate, during the application of the screwdriver, the screwdriver bit 6 is driven to rotate by rotating the rotary seat 1, the screw is screwed by the screwdriver bit 6, in order to make the end limiting groove and the end limiting protrusion can only slide up and down and can not rotate relatively, the cross section of the end limiting groove can have various shapes, the cross section of the corresponding end limiting bulge can be hexagonal, quadrangular or elliptical, and no matter what the cross section of the end limiting bulge and the cross section of the end limiting groove are, the rotating seat 1 can finally drive the screwdriver bit 6 to rotate.

Fourth, this embodiment can also add driving motor 7 based on above-mentioned embodiment, driving motor 7 sets up in roating seat 1 upper end, driving motor 7's rotation axis 101 and the protruding transmission of rotating of end spacing are connected, driving motor 7 drives the protruding rotation of end spacing, and it rotates to drive the spacing recess of end on the screwdriver bit 6 through the protruding rotation of end spacing, drives screwdriver bit 6 through end spacing recess and rotates, and it rotates to wait to twist the screw of moving to drive through screwdriver bit 6.

Fifth embodiment, this embodiment is based on the above embodiments, and is obtained by replacing the screwdriver bit seat 4 in the above embodiments with the screwdriver bit seat 4 structure in this embodiment, as shown in fig. 6-10, the screwdriver bit seat 4 includes a screwdriver bit sleeve seat 42, a screwdriver bit sliding guide 43 and a screwdriver bit sliding seat 44, the screwdriver bit sliding guide 43 is fixed at the end of the rotary seat 1, the screwdriver bit sleeve seat 42 is fixed on the screwdriver bit sliding seat 44, the screwdriver bit sliding seat 44 is arranged on the screwdriver bit sliding guide 43 in a sliding manner, in order to perform more stable limiting on the screwdriver bit 6, a screwdriver bit limiting groove 5 can be arranged at the upper end of the rotary seat 1, when the screwdriver bit limiting groove 5 is arranged at the upper end of the rotary seat 1, the lower end of the screwdriver bit 6 is pushed into the screwdriver bit limiting groove 5 during screwing, and the screwdriver bit sleeve seat 42 and the screwdriver bit sliding seat 44 can be made to cover the screwdriver bit sleeve seat 42 and the screwdriver bit sliding seat 2 by sliding the screwdriver bit sliding seat 44 Storeroom 21 or screwdriver bit access hole 22 are relative, thereby can make screwdriver bit 6 move between rotatory roller 2 and screwdriver head cover barrel holder 42, get into screwdriver head cover barrel holder 42 back when screwdriver bit 6 lower extreme, it makes screwdriver bit 6 relative with screwdriver bit spacing groove 5 to slide screw bit seat 44 through sliding screw screwdriver bit, make screwdriver bit 6 lower extreme get into screwdriver bit spacing groove 5 under the pressure effect during the screw is twisted, no matter rotate actuating mechanism and set up between screwdriver bit sleeve holder 42 and screwdriver bit 6 or set up between roating seat 1 tip and screwdriver bit 6, all can drive screwdriver bit 6 through manual rotation roating seat 1 and rotate. When the screwdriver bit limiting groove 5 is not arranged on the rotary seat 1, in the screwing process, if the rotation driving mechanism is arranged between the screwdriver bit sleeve seat 42 and the screwdriver bit 6, the rotary seat 1 can be manually rotated to drive the screwdriver bit sliding guide rail 43 to rotate, the screwdriver bit sliding guide rail 43 drives the screwdriver bit sliding seat 44 to rotate, the screwdriver bit sliding seat 44 drives the screwdriver bit sleeve seat 42 to rotate, and the screwdriver bit sleeve seat 42 drives the screwdriver bit 6 to rotate; if rotate actuating mechanism and set up when between 1 tip of roating seat and screwdriver head 6, can directly drive screwdriver head 6 through manual rotation roating seat 1 and rotate, to sum up no matter rotate actuating mechanism and set up between screwdriver head seat 4 and screwdriver head 6 or when setting up between 1 tip of roating seat and screwdriver head 6, have or not screwdriver head spacing groove 5 and all can reach the purpose that utilizes screwdriver head 6 to rotate the screw, it is spacing more stable to screwdriver head 6 only to have screwdriver head spacing groove 5.

Sixth embodiment, this embodiment is based on the above embodiments, as shown in fig. 4, fig. 5 and fig. 10, a partition 105 is disposed between the rotating rollers 2 on the rotating base 1, and a second through hole for allowing the screwdriver bits 6 to pass through the screwdriver bit holder 4 is disposed on the partition 105, because a plurality of rotating rollers 2 are disposed, when a screwdriver bit 6 of a certain model is needed, the corresponding rotating roller 2 needs to be rotated independently, if there is no partition 105, the rotating rollers 2 can be driven by mutual friction, the rotating roller 2 which does not need to be rotated needs to be manually stopped to rotate, the operation is troublesome, different rotating rollers 2 are separated by the partition 105, a certain gap is reserved between the partition 105 and the rotating roller 2, and when a certain rotating roller 2 is rotated independently, the resistance is small, and the rotation is easier.

Seventh embodiment, this embodiment is based on the above-mentioned embodiments, the lower end of the screwdriver bit 6 is provided with the first limiting protrusion, the inside of the upper end of the screwdriver bit sleeve seat 42 is provided with the second limiting protrusion for limiting the passage of the limiting protrusion, and by providing the second limiting protrusion and the first limiting protrusion, the screwdriver bit 6 is extended out from the upper end of the screwdriver bit sleeve seat 42, and meanwhile, the lower end is retained in the screwdriver bit sleeve seat 42, and cannot be easily and manually pulled out, thereby completely preventing the separation of the screwdriver bit 6 and the screwdriver body, and the natural screwdriver bit 6 cannot be lost.

Eighth embodiment, this embodiment is based on the above embodiment, as shown in fig. 12, the lower end of the rotary base 1 is provided with the ejector rod 3 for ejecting the screwdriver bit 6 from the rotary roller 2 into the screwdriver bit holder 4, the lower end of the screwdriver bit storage chamber 21 is provided with the ejector hole 25 for only the ejector rod 3 to pass through in both the ejector rod 3 and the screwdriver bit 6, when the ejector rod 3 passes through the rotary roller 2, the rotary roller 2 is not rotatable, in order to better enable the ejector rod 3 to drive the screwdriver bit 6 to pass through the rotary roller 2 to the screwdriver bit holder 4, a magnetic force can be provided at the upper end of the ejector rod 3, if no magnetic force is provided, when the screwdriver bit 6 needs to return to the rotary roller 2, it can be achieved by inverting the screwdriver and utilizing gravity, the purpose of providing the ejector rod 3 is mainly to drive the screwdriver bit 6 to slide between the rotary roller 2 and the screwdriver bit holder 4 more quickly through the ejector rod 3, that is, the driver bit 6 is replaced more quickly, so that the ejector pin 3 is an unnecessary part, and if the ejector pin 3 is not provided, the driver bit 6 can be slid between the rotary roller 2 and the driver bit holder 4 by gravity

The working process of the invention is as follows:

in the working process of the dislocation limit screwdriver head anti-lost built-in screwdriver, when the screwdriver is in a storage state, the screwdriver head passage holes 22 on all the rotating rollers 2 are opposite to the screwdriver head sleeve barrel seat 42, if the ejector rod 3 is arranged, the ejector rod 3 is inserted into the screwdriver head passage holes 22, when a certain type of screwdriver head 6 is required to be used, if the ejector rod 3 is not arranged, the rotating roller 2 where the required screwdriver head 6 is arranged is rotated, the required screwdriver head 6 is opposite to the screwdriver head passage holes 22 of the upper rotating roller 2 and the screwdriver head sleeve barrel seat 42, then the screwdriver is inverted, the screwdriver head 6 falls into the screwdriver head sleeve barrel seat 42 under the action of gravity, then the screwdriver head rotates the screwdriver head rotating seat 41 to drive the screwdriver head sleeve barrel seat 42 to move, or the screwdriver head sliding seat 44 is slid on the screwdriver sliding guide rail 43 to drive the screwdriver head sleeve barrel seat 42 to move, finally, the lower end of the screwdriver head 6 in the screwdriver head sleeve seat 42 is propped against the upper end of the rotary seat 1, the other end of the screwdriver head 6 extends out of the screwdriver head sleeve seat 42, the screwdriver head 6 is driven to rotate by rotating the rotating seat 1, the screw is screwed by the screwdriver head 6, in order to ensure that the screwdriver head 6 is propped on the rotating seat 1 and cannot slide up and down, left and right, the end part of the rotating seat 1 can be provided with a screwdriver head limiting groove 5, so that the lower end of the screwdriver head 6 is inserted into the screwdriver head limiting groove 5 in the process of screwing the screw, when the screwdriver is used up, the screwdriver head 6 in the screwdriver head sleeve seat 42 is opposite to the screwdriver head storage chamber 21 where the screwdriver head 6 is originally positioned by rotating or sliding the screwdriver head sleeve seat 42, the screwdriver head 6 falls into the screwdriver head storage chamber 21 under the action of gravity, the rotating roll 2 is then rotated so that the screwdriver bit passage hole 22 of the rotating roll 2 is opposed to the first through hole.

When the top rod 3 is arranged in the screwdriver, the top rod 3 is firstly pulled out to enable the rotary roller 2 to rotate freely, firstly the required screwdriver bit 6 is determined on which rotary roller 2, then the rotary roller 2 is rotated to enable the required screwdriver bit 6 on the rotary roller 2 to align with the screwdriver bit sleeve seat 42, then the top rod 3 is inserted, the required screwdriver bit 6 is ejected out from the screwdriver bit storage chamber 21 to enter the screwdriver bit sleeve seat 42 through the top rod 3, one end of the screwdriver bit 6 for screwing extends out from the upper end of the screwdriver bit sleeve seat 42, then the screwdriver bit rotary seat 41 is rotated to drive the screwdriver bit sleeve seat 42 to move, or the screwdriver bit sliding seat 44 is slid on the screwdriver bit sliding guide rail 43 to drive the screwdriver bit sleeve seat 42 to move, and finally the lower end of the screwdriver bit 6 in the screwdriver bit sleeve seat 42 is abutted against the upper end of the rotary seat 1, the screwdriver head 6 is driven to rotate by rotating the rotary seat 1, the screwdriver head 6 is screwed by the screwdriver head 6, after the screwdriver is used up, the screwdriver head 6 slides into the original screwdriver head storage chamber 21 by pulling the ejector rod 3 downwards, magnetic force on the ejector rod 3 or the gravity of an inverted screwdriver through the ejector rod 3, because only the screwdriver head storage chamber 21 lacking the screwdriver head 6 is opposite to the ejector rod 3, the ejector rod 3 can be inserted and pulled through the screwdriver head storage chamber 21 on the rotary roller 2 and the screwdriver head channel holes 22 on other rotary rollers 2, because the screwdriver head 6 can freely pass through the screwdriver head channel holes 22, but the screwdriver head 6 cannot pass through the ejection hole 25 at the lower end of the rotary roller 2, finally the screwdriver head 6 only can stay in the screwdriver head storage chamber 21 of the rotary roller 2, and after multiple times of use, the screwdriver head 21 where each screwdriver head 6 is located cannot be changed,

when being provided with first spacing protruding at screwdriver bit 6 lower extreme, be provided with the spacing protruding of second that is used for restricting spacing protruding and pass through in screwdriver head cover cylinder base 42 upper end inside, through setting up the spacing protruding of second and first spacing protruding, make screwdriver bit 6 stretch out from screwdriver head cover cylinder base 42 upper end, the lower extreme is stayed in screwdriver bit cylinder base 42 simultaneously, and can't artificially extract easily, thoroughly prevent screwdriver bit 6 and screwdriver body separation, do not separate nature screwdriver bit 6 and just can not lose yet. .

When the driving motor 7 is arranged in the screwdriver, after the screwdriver bit 6 enters the screwdriver head sleeve barrel seat 42, the screwdriver head sleeve barrel seat 42 is driven to move by rotating the screwdriver bit rotating seat 41, or the screwdriver head sleeve barrel seat 42 is driven to move by sliding the screwdriver bit sliding seat 44 on the screwdriver bit sliding guide rail 43, finally, the lower end of the screwdriver bit 6 in the screwdriver bit sleeve barrel seat 42 is in rotating transmission connection with the rotating shaft 101 of the driving motor 7, the screwdriver bit 6 is driven to rotate by the driving motor 7, and the screw to be screwed is driven to rotate by the screwdriver bit 6.

According to the dislocation limiting screwdriver bit anti-loss built-in screwdriver, the screwdriver bit 6 is arranged inside the screwdriver body, so that the screwdriver bit 6 can be replaced under the condition that the screwdriver body and the screwdriver are not separated, the screwdriver bit 6 is convenient and efficient to replace, and meanwhile, the screwdriver bit 6 is not easy to lose; by arranging the plurality of rotating rollers 2, more screwdriver bits 6 can be stored in the screwdriver, the normal use of the screwdriver is not influenced, and the screwdriver is convenient to use and flexible to apply; the screwdriver head 6 can be absolutely prevented from being lost by arranging the structure for limiting the screwdriver head 6 to completely slide out of the screwdriver head sleeve seat 42 on the screwdriver head 6 and the screwdriver head sleeve seat 42, when the structure for limiting the screwdriver head 6 to completely slide out of the screwdriver head sleeve seat 42 is not arranged, the screwdriver head 6 does not need to be pulled out of the screwdriver head sleeve seat 42 during use of the screwdriver, and the intentional loss of the screwdriver head 6 cannot be avoided if the screwdriver head 6 is intentionally pulled out manually; as long as the user of this screwdriver uses the operation normally, screwdriver bit 6 does not pull out from screwdriver headgear barrel holder 42, can guarantee basically that screwdriver bit 6 can not lose, through making screwdriver headstock 4 activity set up in roating seat 1 upper end, can make the screwdriver during operation, screwdriver bit 6 is located screwdriver tip central authorities and is externally arranged, through set up driving motor 7 in roating seat 1 upper end, can make the screwdriver both can manual operation use, also can electric operation use, strong adaptability.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.