CN209954559U

CN209954559U - Labor-saving multifunctional screwdriver

Info

Publication number: CN209954559U
Application number: CN201920882598.XU
Authority: CN
Inventors: 何鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-01-17
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a laborsaving multifunctional screwdriver relates to hardware and tools technical field, and it includes the handle of a knife, the lower surface of handle of a knife is seted up flutedly, recess inner wall's positive fixedly connected with rotary device, rotary device's surperficial joint has first arm of force and second arm of force, logical groove has been seted up to the upper surface of handle of a knife. This laborsaving multifunctional screwdriver, through the connecting axle, the lantern ring, the connecting rod, the tool bit, mutually supporting of first arm of force and second arm of force, people can select the cutter of maintenance through rotatory hexagonal spanner and vice screwdriver under the effect of go-between and the lantern ring, simultaneously people press two kellies to the party that is close to mutually, just can change the tool bit of different models and shape, make things convenient for people to maintain, people can also rotate the first arm of force and second arm of force to parallel to each other, just can increase the moment of handle of a knife, just can twist off rust or the screw of tension, consequently, can satisfy people's use needs.

Description

Labor-saving multifunctional screwdriver

Technical Field

The utility model relates to a hardware and tools technical field specifically is a laborsaving multifunctional screwdriver.

Background

Hardware tools are a general term for various metal devices manufactured by physically processing metals such as iron, steel, aluminum and the like through forging, rolling, cutting and the like. The multifunctional screwdriver is simple in function, can be used for carrying a plurality of screwdrivers of different models when being used for maintaining equipment, is inconvenient for people to carry when being used for maintaining the equipment, is difficult to be screwed by the existing screwdriver when people encounter rusty or overtightened screws when being used for maintaining the equipment, and is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a laborsaving multifunctional screwdriver has solved and can use multiple screwdriver when maintaining equipment, and the screwdriver function singleness on the existing market when people are maintaining equipment, can carry the screwdriver of many different models usually, brings inconvenience when carrying for people, when people meet some rusty or the screw of tension when the maintenance, current screwdriver is difficult to twist its problem of moving.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a labor-saving multifunctional screwdriver comprises a screwdriver handle, wherein a groove is formed in the lower surface of the screwdriver handle, a rotating device is fixedly connected to the upper end of the inner wall of the groove, a first force arm and a second force arm are clamped on the surface of the rotating device, the first force arm and the second force arm can rotate around the rotating device in a vertical plane, when the first force arm and the second force arm are in a horizontal state, the movable ends of the first force arm and the second force arm are located on the outer side of the screwdriver handle, a through groove is formed in the upper surface of the screwdriver handle, the through groove and the groove are parallel to each other, a connecting shaft is horizontally arranged on the inner wall of the through groove, two lantern rings are sleeved on the outer surface of the connecting shaft and are in interference connection with the connecting shaft, the two lantern rings are fixedly connected with a hexagonal wrench and; when the hexagonal wrench and the auxiliary screwdriver are in a horizontal state, the movable ends of the hexagonal wrench and the auxiliary screwdriver are both positioned outside the handle;

the lower fixed surface of handle of a knife is connected with the connecting block, the surperficial joint of connecting block has the go-between, a plurality of through-hole has been seted up on the surface of go-between, every equal joint has the tool bit in the through-hole, the tool bit can be dismantled with the through-hole and be connected, the lower fixed surface of connecting block is connected with the connecting rod, the left and right sides of connecting rod is articulated with two kellies respectively through two round pin axles, the upper end fixed connection compression spring's of kellies one end, compression spring's the other end is fixed on the connecting rod, the second draw-in groove has been seted up to the lower surface of connecting rod, first draw-in groove has all been seted up to the left and right sides face of tool bit, every the equal joint of tool bit is in the second draw-.

Furthermore, the rotating device fixing shaft is clamped at the front of the inner wall of the groove at one end of the back of the fixing shaft, two circular rings are sleeved on the surface of the fixing shaft, and a first force arm and a second force arm are respectively arranged on the surfaces of the two circular rings.

Further, recess internal fixation has two stoppers, and two stoppers lie in same water flat line and with rotary device's high parallel and level, and two stoppers lie in the left and right sides of recess inner wall respectively.

Furthermore, the surfaces of the first force arm and the second force arm are both provided with anti-skidding sleeves, and the anti-skidding sleeves are rubber sleeves.

Furthermore, the connecting ring is a rubber ring, and the plurality of through holes are in an annular array around the center of the connecting ring.

Further, the tool bit includes cross tool bit, a style of calligraphy tool bit, rice style of calligraphy tool bit and hexagonal tool bit, and the model of different tool bits is all inequality.

Furthermore, a fixed sleeve is arranged on the outer side wall of the first clamping groove, and the clamping rod can be embedded into the fixed sleeve.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. rotatory hexagonal spanner and vice screwdriver can select the cutter of maintenance under the effect of go-between and lantern ring during the use, press two kellies to the party that is close to mutually simultaneously, just can change the tool bit of different models and shape, make things convenient for people to maintain, people can also rotate first arm of force and second arm of force to being parallel to each other, through mutually supporting of first arm of force and the second arm of force, just can increase the moment of handle of a knife, just can twist off rusty or tight screw, consequently, can satisfy people's use needs.

2. The antiskid cover can increase the friction between people's palm and the first arm of force or the second arm of force, thereby avoid people can not take place the condition of skidding when holding the first arm of force and the second arm of force, through setting up the stopper, the stopper can play spacing effect to the first arm of force and the second arm of force, thereby can avoid it to take place excessively rotatoryly, make the first arm of force and the rotation of the second arm of force to parallel, be the rubber ring through setting up the go-between, the rubber ring has certain deformability, simultaneously can also increase and the tool bit between the friction, just can make the tool bit more firm when fixed.

3. Through setting up the different tool bits of a plurality of shapes and model, make different tool bits of selecting according to the needs that use during the use, make things convenient for people to maintain equipment, through setting up compression spring, when the tool bit joint advances first draw-in groove, compression spring can drive the kelly rotation because the elasticity of self, make the kelly can the chucking tool bit all the time, the atress direction that its atress direction and compression spring of in-process that uses at the tool bit was applyed is different, just can carry out stable fixed with the tool bit, the condition that the tool bit pine takes off can not appear.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic sectional view of the tool shank of FIG. 1 taken along the direction B-B;

FIG. 3 is a schematic view of the cross-sectional structure taken along the line A-A of FIG. 1;

FIG. 4 is an enlarged partial cross-sectional structural view of FIG. 3;

fig. 5 is a schematic view of the side structure of the tool bit of the present invention.

Fig. 6 is a schematic view of the structure of the connection ring of the present invention;

in the figure: the tool comprises a tool handle 1, a groove 2, a rotating device 3, a fixing shaft 31, a 32 circular ring, a first force arm 4, a second force arm 5, an anti-skidding sleeve 6, a limiting block 7, a through groove 8, a connecting shaft 9, a lantern ring 10, a hexagonal wrench 11, a screwdriver 12, a connecting block 13, a connecting ring 14, a through hole 15, a connecting rod 16, a pin shaft 17, a clamping rod 18, a compression spring 19, a tool bit 20, a first clamping groove 21 and a second clamping groove 22.

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.

As shown in fig. 1-6, the utility model provides a technical solution: a labor-saving multifunctional screwdriver comprises a screwdriver handle 1, wherein a groove 2 is formed in the front of the screwdriver handle 1, two limit blocks 7 are arranged in the groove 2, the back sides of the two limit blocks 7 are fixedly connected to the front side of the inner wall of the groove 2, the two limit blocks 7 are respectively positioned on the left side and the right side of the inner wall of the groove 2, the limit blocks 7 can limit a first force arm 4 and a second force arm 5 so as to prevent the first force arm 4 and the second force arm 5 from excessively rotating, the first force arm 4 and the second force arm 5 can rotate to be parallel, a rotating device 3 is fixedly connected to the front side of the inner wall of the groove 2, a fixing shaft 31 of the rotating device 3 is clamped at one end of the back side of the fixing shaft 31 to the front side of the inner wall of the groove 2, two circular rings 32 are sleeved on the surface of the fixing shaft 31, the first force arm, the rotating device 3 can enable the first force arm 4 and the second force arm 5 to rotate, so that the torque of the screwdriver handle 1 can be increased, and people can conveniently unscrew rusted or over-tightened screws, the first force arm 4 and the second force arm 5 are clamped on the surface of the rotating device 3, the anti-slip sleeves 6 are arranged on the surfaces of the first force arm 4 and the second force arm 5, each anti-slip sleeve 6 is a rubber sleeve, through the arrangement of the anti-slip sleeves 6, the friction between a palm of a user and the first force arm 4 or the second force arm 5 can be increased through the anti-slip sleeves 6, so that the situation that the user cannot slip when holding the first force arm 4 and the second force arm 5 is avoided, the through groove 8 is formed in the upper surface of the screwdriver handle 1, the front surface and the back surface of the inner wall of the through groove 8 are fixedly connected with the front end and the back end of the connecting shaft 9 respectively, the surface of the connecting shaft 9 is provided with two lantern rings 10, and the lantern rings 10 are in interference connection with the connecting shaft 9, and the surfaces of the two lantern rings 10 are respectively provided with a hexagonal wrench 11 and an auxiliary screwdriver 12.

The lower surface of the knife handle 1 is fixedly connected with a connecting block 13, the connecting ring 14 is clamped on the surface of the connecting block 13, the connecting ring 14 is a rubber ring, the through holes 15 are in an annular array around the center of the connecting ring 14, the rubber ring has certain deformation capacity by being arranged on the connecting ring 14, meanwhile, the friction between the rubber ring and the knife head 20 can be increased, so that the knife head 20 can be more stable when being fixed, the through holes 15 are formed in the surface of the connecting ring 14, the knife head 20 is clamped in the through holes 15, the knife head 20 comprises a cross knife head, a straight knife head, a square knife head and a hexagonal knife head, the models of the knife heads 20 are different, the knife heads 20 are different by being arranged, the different knife heads 20 can be selected according to the use requirements when people use, the people can conveniently maintain the equipment, the lower surface of the connecting block 13 is fixedly connected with a, the left side and the right side of the front face of the connecting rod 16 are respectively hinged with the back faces of the two clamping rods 18 through the two pin shafts 17, the clamping rods 18 are arranged, when people press the two clamping rods 18 towards a close party, the clamping rods 18 can rotate around the pin shafts 17, so that the clamping rods 18 can be separated from the first clamping grooves 21, and a tool bit 20 can be conveniently detached and replaced by people, the left side face of each clamping rod 18 is fixedly connected with a compression spring 19, through the arrangement of the compression springs 19, when the tool bit 20 is clamped into the first clamping grooves 21, the compression springs 19 can drive the clamping rods 18 to rotate due to the elasticity of the compression springs, so that the clamping rods 18 can clamp the tool bit 20 all the time, the left end of each compression spring 19 is fixedly connected to the right side face of the connecting rod 16, the bottom end of the connecting rod 16 is provided with a second clamping groove 22, one of the tool bits 20 is clamped into the second clamping, and the catch lever 18 is caught in the first catch groove 21. The stress direction of the tool bit 20 is different from the stress direction applied by the compression spring 19 in the using process of the tool bit 20, so that the tool bit 20 can be stably fixed, and the fixed sleeve 23 is arranged on the outer side wall of the first clamping groove and can be embedded into the fixed sleeve, so that the fixed sleeve can fix the clamping rod in the horizontal direction, and the tool bit 20 is ensured to be stably fixed in use.

The utility model discloses an operating procedure does:

s1, people can rotate the hexagonal wrench 11 or the auxiliary screwdriver 12 to repair the equipment under the action of the connecting shaft 9 and the lantern ring 10;

s2, meanwhile, people can select a proper tool bit 20 according to the use requirement, after the selection is finished, people take the tool bit 20 down from the through hole 15, press the two clamping rods 18 towards the side close to the tool bit, the clamping rods 18 can rotate around the pin shaft 17, so that the clamping rods 18 can be separated from the first clamping groove 21, then people clamp the selected tool bit 20 into the second clamping groove 22 and loosen the clamping rods 18, at the moment, the compression spring 19 drives the two clamping rods 18 to move towards the side close to the tool bit due to the elasticity of the compression spring 19, so that the compression spring is clamped into the first clamping groove 21, the tool bit 20 is fixed, and people can maintain the equipment through the tool holder 1;

s3, people can rotate the first force arm 4 and the second force arm 5 through the two circular rings 32, when the first force arm 4 and the second force arm 5 rotate to be parallel, the moment of the knife handle 1 can be increased, and people can conveniently unscrew rusted or over-tightened screws.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a laborsaving multifunctional screwdriver, includes handle of a knife (1), its characterized in that: the screwdriver is characterized in that a groove (2) is formed in the lower surface of the screwdriver handle (1), a rotating device (3) is fixedly connected to the upper end of the inner wall of the groove (2), a first force arm (4) and a second force arm (5) are clamped on the surface of the rotating device (3), the first force arm (4) and the second force arm (5) can rotate around the rotating device (3) in a vertical plane, when the first force arm (4) and the second force arm (5) are in a horizontal state, the movable ends of the first force arm and the second force arm are located on the outer side of the screwdriver handle (1), a through groove (8) is formed in the upper surface of the screwdriver handle (1), the through groove (8) is parallel to the groove (2), a connecting shaft (9) is horizontally arranged on the inner wall of the through groove (8), two lantern rings (10) are sleeved on the outer surface of the connecting shaft (9), the lantern rings (10) are in interference connection with the connecting shaft (9), and the two lantern rings (10, the hexagonal wrench (11) and the auxiliary screwdriver (12) can rotate around the connecting shaft (9) in a vertical plane; when the hexagonal wrench (11) and the auxiliary screwdriver (12) are in a horizontal state, the movable ends of the hexagonal wrench and the auxiliary screwdriver are both positioned on the outer side of the tool shank (1); the lower surface of the knife handle (1) is fixedly connected with a connecting block (13), the surface of the connecting block (13) is clamped with a connecting ring (14), the surface of the connecting ring (14) is provided with a plurality of through holes (15), each through hole (15) is internally and uniformly clamped with a knife head (20), the knife head (20) is detachably connected with the through holes (15), the lower surface of the connecting block (13) is fixedly connected with a connecting rod (16), the left side and the right side of the connecting rod (16) are respectively hinged with two clamping rods (18) through a pin shaft (17), the upper end of each clamping rod (18) is fixedly connected with one end of a compression spring (19), the other end of each compression spring (19) is fixed on the connecting rod (16), the lower surface of the connecting rod (16) is provided with a second clamping groove (22), and the left side and right side surfaces of the knife head, every tool bit (20) all can the joint in second draw-in groove (22), and when arbitrary tool bit (20) joint was in second draw-in groove (22), kelly (18) embedding was in first draw-in groove (21) of tool bit (20) both sides.

2. The multifunctional labor-saving screwdriver as recited in claim 1, wherein: the rotary device (3) is provided with a fixing shaft (31), one end of the back of the fixing shaft (31) is clamped on the front surface of the inner wall of the groove (2), the surface of the fixing shaft (31) is sleeved with two circular rings (32), and the surfaces of the two circular rings (32) are respectively provided with a first force arm (4) and a second force arm (5).

3. The multifunctional labor-saving screwdriver as recited in claim 1, wherein: recess (2) internal fixation has two stopper (7), and two stopper (7) be located same water flat line and with the high parallel and level of rotary device (3), and two stopper (7) are located the left and right sides of recess (2) inner wall respectively.

4. The multifunctional labor-saving screwdriver as recited in claim 1, wherein: the surface of the first force arm (4) and the surface of the second force arm (5) are both provided with anti-skidding sleeves (6), and the anti-skidding sleeves (6) are rubber sleeves.

5. The multifunctional labor-saving screwdriver as recited in claim 1, wherein: the connecting ring (14) is a rubber ring, and the through holes (15) are in an annular array around the center of the connecting ring (14).

6. The multifunctional labor-saving screwdriver as recited in claim 1, wherein: the tool bit (20) comprises a cross tool bit, a straight tool bit, a rice-shaped tool bit and a hexagonal tool bit, and the models of different tool bits (20) are different.

7. The multifunctional labor-saving screwdriver as recited in claim 1, wherein: the outer side wall of the first clamping groove (21) is provided with a fixed sleeve (23), and the clamping rod (18) can be embedded into the fixed sleeve (23).