CN210414332U

CN210414332U - Screwdriver capable of rapidly replacing cutter bar

Info

Publication number: CN210414332U
Application number: CN201921392152.5U
Authority: CN
Inventors: 宋荣华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-28
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a screwdriver capable of quickly replacing a cutter bar, which relates to the field of screwdrivers, and comprises a handle and a cutter bar, wherein a central groove is formed in the middle of the handle in a penetrating way, one end of the cutter bar is positioned in the central groove, one end of the upper surface of the handle is movably connected with a clamping component, the cutter bar is movably connected with the clamping component, the other end of the handle is movably clamped with a nut, one end of the cutter bar is fixedly connected with a clamping head, the clamping head is movably clamped with the nut, the other end of the cutter bar is fixedly connected with a rotating head, one end of the rotating head is fixedly connected with one end of an insulating rod, the other end of the insulating rod is fixedly connected with a cutter head, the utility model controls the fixing and the separation of the handle and the cutter bar by arranging a button on the handle, and engaging and disengaging a projection on the button and a, the operation is simple, and the use occasions of the screwdriver are greatly increased.

Description

Screwdriver capable of rapidly replacing cutter bar

Technical Field

The utility model relates to a screwdriver field, in particular to but screwdriver of quick replacement cutter arbor.

Background

The screwdriver is a tool for screwing a screw to be in place, can be divided into a straight line, a cross, a Chinese character 'mi', a star, a square head, a hexagonal head and the like according to different head types, and is a tool frequently used in daily life.

The existing screwdriver is characterized in that a screwdriver rod is fixedly connected with a screwdriver handle, screwdrivers with different tool bit shapes are required to be matched with different screws, one screwdriver can only be used for one screw, the universality is poor, a plurality of screwdrivers are required to be carried on occasions needing to screw different screws, the screwdriver is large in size, inconvenient to carry and high in cost.

Therefore, it is necessary to provide a screwdriver with a quick tool changing shank to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but screwdriver of quick replacement cutter arbor to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but screwdriver of quick replacement cutter arbor, includes handle and cutter arbor, the middle part of handle is run through and has been seted up central groove, the one end of cutter arbor is located central inslot, the upper surface one end swing joint of handle has the joint subassembly, cutter arbor and joint subassembly swing joint, the other end activity joint of handle has the nut, the one end fixedly connected with joint of cutter arbor connects, joint and nut activity joint, some rotating heads of the other end fixed connection of cutter arbor, the rotating head is located the one end outside of handle, the one end of the one end fixed connection insulator spindle of rotating head, the other end fixedly connected with tool bit of insulator spindle.

Preferably, one side middle part fixedly connected with spliced pole of nut, the spliced pole is located the central slot, the dead slot with joint looks adaptation is seted up to the inside of spliced pole, the joint is connected with the inner wall activity joint of spliced pole.

Preferably, an L-shaped empty groove is formed in the handle and located above the central groove, one end of the L-shaped empty groove is communicated with the central groove, and the clamping assembly is located in the L-shaped empty groove.

Preferably, the joint subassembly includes the button, the one end fixedly connected with circular recess of button, be provided with the spring in the circular recess, the circular recess passes through the other end inner wall swing joint of spring and L type dead slot, the other end of button is provided with the fixture block, the fixture block runs through the one end of L type dead slot and extends to the central inslot, the both sides of button all are provided with the joint board, the joint board passes through the inner wall swing joint of round pin axle and L type dead slot.

Preferably, the other end of the cutter bar is provided with a groove, and the groove is matched with the fixture block.

Preferably, the middle part of the outer surface of the handle is connected with a soft rubber sleeve in a sleeved mode, and the central groove is matched with the cutter bar.

The utility model discloses a technological effect and advantage:

through set up the button on the handle, the meshing of the recess on protruding portion on the button and the cutter arbor and break away from the fixed and separation of brake valve lever and cutter arbor, the handle can quick replacement with match the cutter arbor of different tool bits, easy operation to greatly increased the use occasion of this screwdriver, also conveniently carried simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the cutter bar of the present invention.

Fig. 3 is an explosion diagram of the structure of the present invention.

Fig. 4 is an explosion diagram of the structure of the clamping assembly of the present invention.

Fig. 5 is a schematic sectional view of the handle structure of the present invention.

In the figure: 1. a handle; 11. a central slot; 12. an L-shaped empty slot; 2. a cutter bar; 21. a clamping head; 22. rotating the head; 23. a groove; 3. an insulating rod; 4. a cutter head; 5. a nut; 51. connecting columns; 6. a clamping assembly; 61. a button; 62. a circular groove; 63. a clamping and connecting plate; 64. a clamping block; 621. a spring; 8. and (4) soft rubber sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a pair of but screwdriver of quick replacement cutter arbor, as shown in fig. 1-5, including handle 1 and cutter arbor 2, the middle part of handle 1 is run through and has been seted up central groove 11, the one end of cutter arbor 2 is located central groove 11, the upper surface one end swing joint of handle 1 has joint subassembly 6, the other end activity joint of handle 1 has nut 5, the surface middle part cup joint of handle 1 has flexible rubber sleeve 8, through setting up flexible rubber sleeve 8, can increase the frictional force of handle 1 and hand contact surface, can twist better and change the screw, central groove 11 and the 2 looks adaptations of cutter arbor.

One end fixedly connected with joint head 21 of cutter arbor 2,

joint head

21 and 5 movable joints of nut, one side middle part fixedly connected with spliced pole 51 of nut 5, spliced pole 51 is located central groove 11, the dead slot with 21 looks adaptations of joint head is seted up to spliced pole 51's inside, joint head 21 and spliced pole 51's inner wall activity joint, some rotating heads 22 of the other end fixed connection of cutter arbor 2, rotating head 22 is located the one end outside of handle 1, the one end of the one end fixed connection insulator spindle 3 of rotating head 22, the other end fixedly connected with tool bit 4 of insulator spindle 3, the head type of tool bit 4 can set different shapes into,

cutter arbor

2 and 6 swing joint of joint subassembly.

L type dead slot 12 has been seted up to handle 1's inside, L type dead slot 12 is located the top of central groove 11, and the one end of L type dead slot 12 is linked together with central groove 11, joint subassembly 6 is located L type dead slot 12, joint subassembly 6 includes button 61, the one end fixedly connected with circular groove 62 of button 61, be provided with spring 621 in the circular groove 62, circular groove 62 passes through spring 621 and the other end inner wall swing joint of L type dead slot 12, the other end of button 61 is provided with fixture block 64, fixture block 64 runs through the one end of L type dead slot 12 and extends to central groove 11 in, the both sides of button 61 all are provided with joint board 63, joint board 63 is through the inner wall swing joint of round pin axle with L type dead slot 12, recess 23 has been seted up to the other end of cutter arbor 2, recess 23 and fixture block 64 looks adaptation.

The utility model discloses the theory of operation:

during installation, the soft rubber sleeve 8 is sleeved at the middle part of the handle 1, the screw cap 5 is clamped with one end of the handle 1, the button 61 is clamped on the handle 1 through the clamping plates 63 at two sides of the button 61, after the button 61 is installed, one end of the button 61 is pressed by a hand, the spring 621 in the circular groove 62 is stressed and compressed, meanwhile, the clamping block 64 at the other end of the button 61 is tilted upwards, one end of the cutter bar 2 is inserted into the central groove 11 of the handle 1, the clamping joint 21 on the cutter bar 2 is clamped in the screw cap 5, the hand is loosened after clamping is completed, the button 61 is reset under the action of the spring 621, the clamping block 64 on the button 61 is just clamped with the groove 23 at one end of the cutter bar 2, the clamping block 64 fixes the cutter bar 2 in the handle 1, when the cutter bar 4 in other shapes needs to be replaced, one end of the button 61 is firstly pressed by a hand, and under the action of the spring 621, the clamping, with the recess 23 separation of cutter arbor 2 one end, fixture block 64 no longer fixes cutter arbor 2, and cutter arbor 2 can be followed handle 1 and dismantled fast this moment, and it can to install the cutter arbor 2 that is equipped with other shapes tool bit 4 again at last.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a but screwdriver of quick replacement cutter arbor, includes handle (1) and cutter arbor (2), its characterized in that: a central groove (11) is formed in the middle of the handle (1) in a penetrating mode, and one end of the cutter bar (2) is located in the central groove (11);

one end of the upper surface of the handle (1) is movably connected with a clamping assembly (6), the cutter bar (2) is movably connected with the clamping assembly (6), and the other end of the handle (1) is movably clamped with a screw cap (5);

the one end fixedly connected with joint (21) of cutter arbor (2), joint (21) and nut (5) activity joint, other end fixedly connected with of cutter arbor (2) some rotating head (22), rotating head (22) are located the one end outside of handle (1), the one end of one end fixed connection insulator spindle (3) of rotating head (22), the other end fixedly connected with tool bit (4) of insulator spindle (3).

2. The screwdriver capable of rapidly changing the screwdriver shank as claimed in claim 1, wherein: one side middle part fixedly connected with spliced pole (51) of nut (5), spliced pole (51) are located central groove (11), the dead slot with joint (21) looks adaptation is seted up to the inside of spliced pole (51), joint (21) and the inner wall activity joint of spliced pole (51).

3. The screwdriver capable of rapidly changing the screwdriver shank as claimed in claim 1, wherein: l type dead slot (12) have been seted up to the inside of handle (1), L type dead slot (12) are located the top of central groove (11), and the one end and the central groove (11) of L type dead slot (12) are linked together, joint subassembly (6) are located L type dead slot (12).

4. The screwdriver capable of rapidly replacing the screwdriver shank as claimed in claim 3, wherein: joint subassembly (6) are including button (61), the one end fixedly connected with circular recess (62) of button (61), be provided with spring (621) in circular recess (62), the other end inner wall swing joint of spring (621) and L type dead slot (12) is passed through in circular recess (62), the other end of button (61) is provided with fixture block (64), fixture block (64) run through the one end of L type dead slot (12) and extend to in central groove (11), the both sides of button (61) all are provided with joint board (63), joint board (63) are through the inner wall swing joint of round pin axle with L type dead slot (12).

5. The screwdriver capable of rapidly replacing the screwdriver shank as claimed in claim 4, wherein: the other end of the cutter bar (2) is provided with a groove (23), and the groove (23) is matched with the clamping block (64).

6. The screwdriver capable of rapidly changing the screwdriver shank as claimed in claim 1, wherein: the middle part of the outer surface of the handle (1) is connected with a soft rubber sleeve (8) in a sleeved mode, and the central groove (11) is matched with the cutter bar (2).