CN218698258U

CN218698258U - L-shaped screwdriver with illumination function

Info

Publication number: CN218698258U
Application number: CN202222674459.2U
Authority: CN
Inventors: 岳守俊; 孙娜
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-24
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses an L-shaped screwdriver with illumination, which comprises an L-shaped screwdriver sleeve, wherein a main transmission shaft and a rotary tool bit are respectively arranged in the screwdriver sleeve through bearings, one end of the main transmission shaft is connected with a driving bevel gear, and the other end of the main transmission shaft is connected with a knob; one end of the rotary tool bit is connected with the driven bevel gear, the other end of the rotary tool bit extends out of the screwdriver sleeve, and the driving bevel gear and the driven bevel gear are meshed in the screwdriver sleeve; the screwdriver sleeve is in the one end of rotatory tool bit still is provided with the light, screwdriver sleeve internal fixation sets up the battery, sets up the switch on the telescopic outer wall of screwdriver, the battery with light and switch equal electricity are connected. The utility model is suitable for a narrow and small, the home range is limited, the illumination is not enough, the screw outside has shelters from the thing and the restricted place of screwdriver cutter arbor activity uses.

Description

L-shaped screwdriver with illumination function

Technical Field

The utility model relates to a screwdriver field specifically is a L type screwdriver of area illumination.

Background

The existing screw driver is mostly of a linear type, the basic structure mainly comprises a handle, a cutter bar and a cutter head, the middle screw driver is mainly used for daily maintenance and assembly of mechanical parts, and other types of screw drivers can be used even in the face of complex work.

The L-shaped screwdriver is characterized in that a rod part of an original straight screwdriver is designed to be a 90-degree bent rod part, the L-shaped screwdriver is simple in design, the main purpose is to save manpower through rod part rotation during operation in a large operation space, but the L-shaped screwdriver cannot be used in places with narrow space, limited screwdriver rod part moving range, insufficient illumination and shielding objects outside screws.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a L type screwdriver of area illumination to solve current screwdriver and have shelter from the weak point when thing and the limited local use of screwdriver cutter arbor activity in space narrow and small, the home range is limited, the illumination is not enough, the screw outside.

In order to achieve the above object, the utility model provides a following technical scheme: an L-shaped screwdriver with illumination comprises an L-shaped screwdriver sleeve, wherein a main transmission shaft and a rotary tool bit are respectively arranged in the screwdriver sleeve through bearings, one end of the main transmission shaft is connected with a driving bevel gear, and the other end of the main transmission shaft is connected with a knob; one end of the rotary tool bit is connected with the driven bevel gear, the other end of the rotary tool bit extends out of the screwdriver sleeve, and the driving bevel gear and the driven bevel gear are meshed in the screwdriver sleeve; the screwdriver sleeve is in the one end of rotatory tool bit still is provided with the light, screwdriver sleeve internal fixation sets up the battery, sets up the switch on the telescopic outer wall of screwdriver, the battery with light and switch equal electricity are connected.

Preferably, the screwdriver sleeve is of a cylindrical hollow structure.

Preferably, a circular groove is radially arranged in the screwdriver sleeve, and the bearing is mounted in the groove.

Preferably, the screwdriver sleeve and the knob are both coated with rubber insulating sleeves.

Preferably, the rotary cutter head is of a combined structure and comprises a rectangular insertion hole formed in the end portion and a cutter head inserted into the rectangular insertion hole.

Preferably, the transmission ratio of the driving bevel gear and the driven bevel gear is 1.5-1.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a requirement that the staff used in narrow and small, the not enough department of illumination in space can be satisfied to the illumination function.

2. The utility model discloses a screwdriver operating means has compensatied traditional L type screwdriver and has used the weak point in the limited place in external screw rod operating space, can fasten and dismantle the screw when the screwdriver sleeve is fixed motionless through rotatory handle, and operation direction satisfies traditional screw elasticity direction designing requirement.

3. The utility model provides a knob design, accessible bevel gear and bearing effect when operating personnel twist grip increase outside moment of torsion under the twist grip effect, reach the same efficiency effect when reducing outside torsion, use manpower sparingly.

4. The utility model discloses can use in the narrow and small operation space that operational environment is complicated, the screw outside has the shelter from the thing, reduces and demolishs the useless work that the outside shelter from the thing and bring, alone can operate, save operating time and manpower and materials.

5. The screwdriver rod can be used in a place with limited rotation space, the screwdriver rod is fixed, and the screw can be operated by rotating the external handle.

Drawings

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

Fig. 2 is a schematic diagram of the external structure of the present invention.

In the figure: 1. a screwdriver sleeve; 2. a bearing; 3. a main drive shaft; 4. rotating the cutter head; 5. a drive bevel gear; 6. a knob; 7. a driven bevel gear; 8. an illuminating lamp; 9. a battery; 10. a switch; 11. a groove; 12. a rectangular jack; 13. a cutter head.

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.

Referring to fig. 1 and 2, the present embodiment provides an L-shaped screwdriver with illumination, which includes an L-shaped screwdriver sleeve 1, a main transmission shaft 3 and a rotary tool bit 4 are respectively installed in the screwdriver sleeve 1 through a bearing 2, one end of the main transmission shaft 3 is connected to a driving bevel gear 5, and the other end is connected to a knob 6; one end of the rotary tool bit 4 is connected with the driven bevel gear 7, the other end of the rotary tool bit extends out of the screwdriver sleeve 1, and the driving bevel gear 3 and the driven bevel gear 7 are meshed in the screwdriver sleeve 1 in an inner meshing mode; the screwdriver sleeve 1 is in the one end of rotatory tool bit 4 still is provided with light 8, screwdriver sleeve 1 internal fixation sets up battery 9, sets up switch 10 on the outer wall of screwdriver sleeve 1, battery 9 with light 8 and switch 10 all electricity are connected.

When the rotary cutter is used, an operator can transmit the torque of the operator to the rotary cutter head through the main transmission shaft, the bearing and the bevel gear set under the action of the external rotary handle; when the external rotating handle rotates rightwards, the rotating cutter head inside also rotates rightwards, and then the screw is fastened; the rotatory tool bit of inside also is rotatory left when outside twist grip rotates left, and then relaxes the screw, and the operating direction is unanimous with traditional screw operating direction.

In some preferred embodiments, the screwdriver sleeve 1 is a cylindrical hollow structure in order to reduce weight and reduce the physical demands of the operation process.

In other preferred embodiments, the screwdriver sleeve 1 is provided with a circular groove 11 along the radial direction, the bearing 2 is arranged in the groove 11, and the groove 11 is used for keeping the relative position between the rotary bit 4 and the main transmission shaft 3 fixed, so as to ensure the effective transmission of the torque force.

In other preferred embodiments, in order to improve the safety of the operation and the comfort of the hand, the screwdriver sleeve 1 and the knob 6 are both coated with rubber insulating sleeves.

In other preferred embodiments, in order to facilitate the application of different screwdriver head requirements and also facilitate the quick switching of different screwdriver heads during use, the rotary screwdriver head 4 is of a combined structure and comprises a rectangular insertion hole 12 formed in the end part and a screwdriver head 13 inserted into the rectangular insertion hole 12; it is particularly preferred that the composite construction joint of the rotary cutter head 4 is arranged to be magnetically attractive.

In other preferred embodiments, the drive bevel gear 5 and the driven bevel gear 7 have a gear ratio of 1. When the transmission ratio of the driving bevel gear 5 to the driven bevel gear 7 is within the range of 1.5-1, the device is suitable for screws or bolts needing large moment operation, and the operation is labor-saving within the transmission ratio range; when the transmission ratio of the driving bevel gear 5 to the driven bevel gear 7 is within the range of 1-1.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a L type screwdriver of area illumination which characterized in that: the screwdriver comprises an L-shaped screwdriver sleeve, wherein a main transmission shaft and a rotary tool bit are respectively arranged in the screwdriver sleeve through bearings, one end of the main transmission shaft is connected with a driving bevel gear, and the other end of the main transmission shaft is connected with a knob; one end of the rotary tool bit is connected with the driven bevel gear, the other end of the rotary tool bit extends out of the screwdriver sleeve, and the driving bevel gear and the driven bevel gear are meshed in the screwdriver sleeve; the screwdriver sleeve is in the one end of rotatory tool bit still is provided with the light, screwdriver sleeve internal fixation sets up the battery, sets up the switch on the telescopic outer wall of screwdriver, the battery with light and switch equal electricity are connected.

2. The illuminated L-shaped screwdriver according to claim 1, wherein: the screwdriver sleeve is of a cylindrical hollow structure.

3. The illuminated L-shaped screwdriver according to claim 1, wherein: a circular groove is formed in the screwdriver sleeve along the radial direction, and the bearing is installed in the groove.

4. The illuminated L-shaped screwdriver according to claim 1, wherein: the screwdriver sleeve and the knob are both coated with rubber insulating sleeves.

5. The illuminated L-screwdriver as recited in any one of claims 1-4, wherein: the rotary cutter head is of a combined structure and comprises a rectangular jack arranged at the end part and a cutter head inserted into the rectangular jack.

6. The illuminated L-shaped screwdriver according to claim 1, wherein: the transmission ratio of the driving bevel gear to the driven bevel gear is 1.