CN210937290U - Novel hand drill with protection function - Google Patents

Abstract

The utility model discloses a novel hand drill with protection function, which comprises a positioning handle and a transmission gear, the lower end of the positioning handle is provided with a transmission gear, the positioning handle and the transmission gear are fixed by welding, the surface side of the right end of the transmission gear is provided with a reversing gear, the reversing gear and the transmission gear are fixedly clamped through a gear strip, the positioning handle of the hand drill is arranged into a hollow structure, and the inside of the positioning handle is provided with the inserting seat, so that the drill bit can be inserted into the inserting seat, the phenomenon that the drill bit collides can not occur during the transportation, the hand drill is provided with the protective cover close to the handle and is fastened with the transmission gear through the fastening screw, so that the hand drill is more convenient to mount and dismount, meanwhile, the protective cover can better protect the user when in use.

Description

Novel hand drill with protection function

Technical Field

The utility model belongs to the technical field of machining is relevant, concretely relates to novel hand drill with safeguard function.

Background

The hand drill is a hand drill and a chest press drill, after a cylindrical handle drill bit is clamped, holes are drilled in metal or other materials by hand, and in actual production, some threads or holes are not suitable for machining due to the limitation of the shapes or positions of parts where the threads or holes are located; for example, the diameter of the threaded hole of the small-hole thread is small, and when the machine tapping is adopted, the screw tap with low strength is easily broken.

The prior hand drill technology has the following problems: the rotating handle is generally required to be manually held to rotate when the existing hand drill is used, so that a human body can contact the reversing gear when the hand drill rotates, certain harm can be caused, and the drill bit needs to be placed in the extra container when the hand drill is not used, so that the hand drill is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel hand drill with safeguard function to solve the current hand drill that proposes among the above-mentioned background art and do not set up better protection and certain incident can appear and the collection that the drill bit can not be fine leads to carrying inconvenient problem in the table end of reversing gear.

In order to achieve the above object, the utility model provides a following technical scheme: a novel hand drill with a protection function comprises a positioning handle and a transmission gear, wherein the lower end of the positioning handle is provided with the transmission gear, the positioning handle is fixedly welded with the transmission gear, the surface side of the right end of the transmission gear is provided with a reversing gear, the reversing gear is fixedly clamped with the transmission gear through a gear strip, the lower end of the reversing gear is provided with a rotating handle, the outer surface end of the rotating handle is provided with an anti-slip pad, the rotating handle is fixedly welded with the reversing gear, the surface side of the left end of the transmission gear is provided with a protective cover, the left end of the protective cover is provided with a holding handle, the holding handle is rotatably connected with the transmission gear through a thread groove, the outer surface end of the holding handle is provided with anti-slip strips, the protective cover is fixedly connected with the holding handle through screws, the lower end of the transmission gear is provided with, the lower extreme of transmission shaft is provided with the fixing base, the fixing base passes through thread groove swivelling joint with the transmission shaft, the lower extreme of fixing base is provided with the limiting plate, limiting plate and fixing base welded fastening, the lower extreme of limiting plate is provided with the drill bit, the drill bit passes through screw fixed connection with the transmission shaft.

Preferably, the positioning handle comprises an end cover, a threaded column, an internal thread groove, a barrel, an inserting seat and a base, the threaded column is arranged at the lower end of the end cover, the end cover is fixed with the threaded column in a hot melting mode, the barrel is arranged at the lower end of the threaded column, the barrel is of a hollow cylinder structure, the base is arranged at the lower end of the barrel, the barrel is fixed with the base in a welding mode, the internal thread groove is formed in the upper end of the inside of the barrel and is in rotary connection with the threaded column, the depth of the internal thread groove is the same as that of the threaded column, the inserting seat is arranged inside the barrel and is sleeved inside the barrel, and the positioning handle is fixed with the transmission gear in a welding mode through the base.

Preferably, the constitution of protective cover is including connecting hole, fastening screw and shell, the axle center department of the inside of shell is provided with the connecting hole, the shell is type I shape structure, the shell cup joints fixedly with the connecting hole, the upper and lower both ends of connecting hole respectively are provided with a fastening screw, fastening screw is provided with two altogether the table end in fastening screw's the outside all is provided with the external thread groove, two fastening screw arranges from top to bottom respectively, fastening screw and connecting hole grafting are fixed, the protective cover cup joints the table end of holding up the handle through the connecting hole.

Preferably, the transmission gear comprises a first connecting column, a first gear, a vertical rod, a frame, a second gear and a second connecting column, the lower end of the first connecting column is provided with the frame, the first connecting column is welded and fixed with the frame, the lower end of the frame is provided with the second connecting column, the frame is welded and fixed with the second connecting column, the upper end inside the frame is provided with the first gear, the first gear is fixedly sleeved with the frame, the axle centers inside the first gear and the second gear are both provided with a circular hole, the lower end of the first gear is provided with the vertical rod, the vertical rod is welded and fixed with the frame, the vertical rod is of a solid cylindrical structure, the frame is of a rectangular body, the left end and the right end of the frame are respectively provided with a supporting rod, the lower end of the vertical rod is provided with the second gear, the second gear is fixedly sleeved with the frame, the transmission gear is welded and fixed with the positioning handle through the first connecting column.

Preferably, the first gear is the same with the size and the specification of second gear, first gear is the symmetry respectively one in the upper and lower both ends of montant with the second gear, the table end in the outside of first gear and second gear all is provided with the gear groove of chute, the axle center department of the inside of first gear and second gear all is provided with a circular shape hole.

Preferably, the protective cover is the structure of class I shape, the inside left and right sides of protective cover respectively is provided with a dead slot, the outside of protective cover is circular-arc shape, the protective cover cup joints the crossing department of holding up handle and drive gear, one side that is close to the dead slot of protective cover all is provided with the guard plate.

Preferably, the reversing gear is of a disc-shaped structure, a vertical gear groove is formed in one side, away from the rotating handle, of the reversing gear, the reversing gear can drive the transmission shaft to move close to the drill bit when rotating clockwise, and the reversing gear can drive the transmission shaft to move away from the drill bit when rotating anticlockwise.

Preferably, the positioning handle is of a cylindrical structure with a hollow inner part, the positioning handle is welded and fixed with the transmission gear, the axis of the vertical end of the positioning handle is superposed with the axis of the drill bit, and the surface end of the outer side of the positioning handle is provided with anti-skid stripes.

Preferably, the positioning handle, the rotating handle and the holding handle are all of a cylindrical structure, anti-slip stripes are arranged at the outer side surface ends of the positioning handle, the rotating handle and the holding handle, the positioning handle, the rotating handle and the holding handle have different functions, the positioning handle, the rotating handle and the holding handle are different in connection object, the positioning handle is welded and fixed with the transmission gear, the rotating handle is welded and fixed with the reversing gear, and the holding handle is fixedly sleeved with the protective cover.

Compared with the prior art, the utility model provides a novel hand drill with safeguard function possesses following beneficial effect:

(1) the utility model discloses in through setting up the location handle of this hand drill into the hollow structure of inside to be provided with the socket in the inside of this hollow location handle of inside, can make the drill bit peg graft in the inside of socket like this, thus can make the drill bit place better, the phenomenon that the drill bit appears colliding can not appear in the transport simultaneously;

(2) the utility model discloses in be provided with the protective cover in one side that is close to of this hand drill to this protective cover passes through fastening screw and makes one side fastening with drive gear, can make the protective cover can be more convenient when installation and dismantlement like this, can make the effect of protecting that carries on that can be better when using through this protective cover simultaneously.

Drawings

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

fig. 2 is a front view structure schematic diagram of the hand drill of the utility model;

fig. 3 is a schematic view of the structure of the hand drill for removing the protective cover in front view;

fig. 4 is a schematic side view of the hand drill of the present invention;

fig. 5 is a schematic view of the hand drill handle direction side-looking structure of the utility model;

fig. 6 is a schematic view of the top view structure of the hand drill of the present invention;

fig. 7 is a left side view structure diagram of the hand drill for removing the protective cover;

fig. 8 is a side left front view structural schematic diagram of the hand drill for removing the protective cover;

fig. 9 is a right view structural diagram of the hand drill for removing the protective cover of the utility model;

FIG. 10 is a schematic view of the positioning handle of the present invention;

fig. 11 is a schematic structural view of the protective cover of the present invention;

fig. 12 is a schematic structural view of the transmission gear of the present invention;

in the figure: 1. positioning the grip; 11. an end cap; 12. a threaded post; 13. an internal thread groove; 14. a barrel; 15. a socket; 16. a base; 2. a reversing gear; 3. a protective cover; 31. connecting holes; 32. fastening screws; 33. a housing; 4. turning a handle; 5. a transmission gear; 51. a first connecting column; 52. a first gear; 53. a vertical rod; 54. a frame; 55. a second gear; 56. a second connecting column; 6. a drive shaft; 7. a fixed seat; 8. a drill bit; 9. a limiting plate; 10. a handle is supported.

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. 1-12, the present invention provides a technical solution: a novel hand drill with a protection function comprises a positioning handle 1 and a transmission gear 5, wherein the positioning handle 1 comprises an end cover 11, a threaded column 12, an internal thread groove 13, a cylinder 14, an inserting seat 15 and a base 16, the threaded column 12 is arranged at the lower end of the end cover 11, the end cover 11 and the threaded column 12 are integrally fixed in a hot melting way, the cylinder 14 is arranged at the lower end of the threaded column 12, the cylinder 14 is of a hollow cylinder structure, the base 16 is arranged at the lower end of the cylinder 14, the cylinder 14 and the base 16 are fixedly welded, the internal thread groove 13 is arranged at the upper end of the inside of the cylinder 14, the internal thread groove 13 is rotatably connected with the threaded column 12, the depth of the internal thread groove 13 is the same as that of the threaded column 12, the inserting seat 15 is arranged inside the cylinder 14, the inserting seat 15 is sleeved inside the cylinder 14, the positioning handle 1 is fixedly welded with the transmission gear 5 through the, the positioning handle 1 and the transmission gear 5 are fixed by welding, the surface side of the right end of the transmission gear 5 is provided with a reversing gear 2, the reversing gear 2 is of a disc-shaped structure, one side of the reversing gear 2, which is far away from the rotating handle 4, is provided with a vertical gear groove, the reversing gear 2 can drive the transmission shaft 6 to move close to the drill bit 8 when rotating clockwise, the reversing gear 2 can drive the transmission shaft 6 to move away from the drill bit 8 when rotating anticlockwise, so that different operations can be performed by rotating the rotating handle 4 differently, the reversing gear 2 and the transmission gear 5 are fixed by clamping through a gear strip, the lower end of the reversing gear 2 is provided with the rotating handle 4, the outer surface end of the rotating handle 4 is provided with an anti-slip pad, the rotating handle 4 and the reversing gear 2 are fixed by welding, the left end surface side of the transmission gear 5 is provided with a protective cover 3, the, a connecting hole 31 is arranged at the axis inside the shell 33, the shell 33 is of an I-shaped structure, the shell 33 is fixedly sleeved with the connecting hole 31, the upper end and the lower end of the connecting hole 31 are respectively provided with a fastening screw 32,

a novel hand drill with a protection function comprises two fastening screws 32, wherein outer thread grooves are formed in the surface ends of the outer sides of the two fastening screws 32, the two fastening screws 32 are arranged up and down respectively, the fastening screws 32 are fixedly connected with a connecting hole 31 in an inserting mode, a protective cover 3 is of an I-shaped structure, the left side and the right side of the inner portion of the protective cover 3 are respectively provided with an empty groove, the outermost side of the protective cover 3 is of an arc shape, the protective cover 3 is sleeved at the intersection of a handle 10 and a transmission gear 5, one side, close to the empty groove, of the protective cover 3 is provided with a protective plate, better protection can be achieved through the protective plates, the protective cover 3 is sleeved at the surface end of the handle 10 through the connecting hole 31, the left end of the protective cover 3 is provided with a handle 10, the handle 10 is rotatably connected with the transmission gear 5 through the thread grooves, anti-skid stripes are arranged at the, the lower end of the transmission gear 5 is provided with a transmission shaft 6, the transmission shaft 6 and the transmission gear 5 are clamped and fixed through a thread groove, the transmission gear 5 comprises a first connecting column 51, a first gear 52, a vertical rod 53, a frame 54, a second gear 55 and a second connecting column 56, the lower end of the first connecting column 51 is provided with the frame 54, the first connecting column 51 and the frame 54 are welded and fixed, the lower end of the frame 54 is provided with the second connecting column 56, the frame 54 and the second connecting column 56 are welded and fixed, the upper end inside the frame 54 is provided with the first gear 52, the first gear 52 is fixedly sleeved with the frame 54, the axle centers inside the first gear 52 and the second gear 55 are respectively provided with a circular hole, the lower end of the first gear 52 is provided with the vertical rod 53, the first gear 52 and the second gear 55 have the same size and specification, the first gear 52 and the second gear 55 are respectively and symmetrically arranged at the upper end and the lower end of the vertical rod 53, thereby the transmission is more convenient and labor-saving,

a novel hand drill with a protection function comprises gear grooves with chutes at the outer sides of a first gear 52 and a second gear 55, wherein the gear grooves are formed in the outer sides of the first gear 52 and the second gear 55, a circular hole is formed in the axle center of the inner portions of the first gear 52 and the second gear 55, a vertical rod 53 is welded and fixed with a frame 54, the vertical rod 53 is of a solid cylinder structure, the frame 54 is of a rectangular structure, a supporting rod is arranged at each of the left end and the right end of the frame 54, the second gear 55 is arranged at the lower end of the vertical rod 53, the second gear 55 is fixedly sleeved with the frame 54, a transmission gear 5 is welded and fixed with a positioning handle 1 through a first connecting column 51, the positioning handle 1, a rotating handle 4 and a handle 10 are of a cylinder structure, anti-skid stripes are arranged at the outer sides of the positioning handle 1, the rotating handle 4 and the handle 10, the positioning handle 1, the rotating handle 4 and the handle 10 have different functions, the rotating handle 4 and the holding handle 10 can better work, the positioning handle 1 is of a hollow cylinder-like structure, the positioning handle 1 is welded and fixed with the transmission gear 5, the axis of the vertical end of the positioning handle 1 is superposed with the axis of the drill bit 8, thereby can be so that better work of driling, the table end in the outside of location handle 1 is provided with anti-skidding stripe, location handle 1, it is all inequality to change 4 and the object of holding up 10 three and being connected, location handle 1 and drive gear 5 welded fastening, change 4 and reversing gear 2 welded fastening, it is fixed to hold up 10 and protective cover 3 cup joint, the lower extreme of transmission shaft 6 is provided with fixing base 7, fixing base 7 passes through thread groove swivelling joint with transmission shaft 6, the lower extreme of fixing base 7 is provided with limiting plate 9, limiting plate 9 and fixing base 7 welded fastening, the lower extreme of limiting plate 9 is provided with drill bit 8, drill bit 8 passes through screw fixed connection with transmission shaft 6.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the hand drill is used, the hand drill is firstly taken out, then the end cover 11 in the positioning handle 1 is opened, and the drill bit 8 is taken out from the inserting seat 15 in the cylinder 14, so that the drill bit 8 can be better placed, meanwhile, the phenomenon that the drill bit 8 collides can not occur in the carrying process, then the drill bit 8 is installed in the limiting plate 9 and is stably fixed with the transmission shaft 6, thus the hand drill is installed, at the moment, the positioning handle 1 is moved by a user, the axis of the vertical end of the positioning handle 1 is superposed with the axis of the drill bit 8, the anti-skid stripes are arranged at the outer side end of the positioning handle 1, the rotating handle 4 and the rotating handle 10, so that the drill bit 8 is aligned to the position to be punched, then the user holds the rotating handle 10 by the hand, the rotating handle 4 is held by the other hand, then the rotating handle 4 is rotated by force, and the rotating handle 4 moves clockwise, so that under the action of the reversing gear 2, the first gear 52 and the second gear 55 inside the transmission gear 5 can be driven to rotate, so as to drive the transmission shaft 6 to move, so that the drill bit 8 can be driven to drill, after the drill is finished, the rotating handle 4 rotates anticlockwise, so that under the action of the reversing gear 2, the first gear 52 and the second gear 55 inside the transmission gear 5 can be driven to rotate, so as to drive the transmission shaft 6 to move, so that the drill bit 8 rotates anticlockwise, the protective cover 3 is arranged on one side close to the handle 10, and the protective cover 3 is fastened with the intersection of the transmission gear 5 and the handle 10 through the fastening screw 32, so that the protective cover 3 is more convenient to mount and dismount, meanwhile, the protective cover 3 can better protect the hand drill during use, so that the drilling function is completed, and the hand drill is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a novel hand drill with safeguard function, includes location handle (1) and drive gear (5), its characterized in that: the lower end of the positioning handle (1) is provided with a transmission gear (5), the positioning handle (1) is fixedly welded with the transmission gear (5), the surface side of the right end of the transmission gear (5) is provided with a reversing gear (2), the reversing gear (2) is fixedly clamped with the transmission gear (5) through a gear strip, the lower end of the reversing gear (2) is provided with a rotating handle (4), the outer surface end of the rotating handle (4) is provided with an anti-slip pad, the rotating handle (4) is fixedly welded with the reversing gear (2), the surface side of the left end of the transmission gear (5) is provided with a protective cover (3), the left end of the protective cover (3) is provided with a holding handle (10), the holding handle (10) is rotatably connected with the transmission gear (5) through a thread groove, the outer surface end of the holding handle (10) is provided with an anti-slip strip, and the protective cover (3) is fixedly connected with the holding handle (, the lower extreme of drive gear (5) is provided with transmission shaft (6), transmission shaft (6) are fixed through thread groove joint with drive gear (5), the lower extreme of transmission shaft (6) is provided with fixing base (7), fixing base (7) are through thread groove swivelling joint with transmission shaft (6), the lower extreme of fixing base (7) is provided with limiting plate (9), limiting plate (9) and fixing base (7) welded fastening, the lower extreme of limiting plate (9) is provided with drill bit (8), drill bit (8) are through screw fixed connection with transmission shaft (6).

2. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: the positioning handle (1) comprises an end cover (11), a threaded column (12), an internal thread groove (13), a cylinder body (14), an inserting seat (15) and a base (16), wherein the threaded column (12) is arranged at the lower end of the end cover (11), the end cover (11) and the threaded column (12) are integrally fixed in a hot melting mode, the cylinder body (14) is arranged at the lower end of the threaded column (12), the cylinder body (14) is of a hollow cylinder structure, the base (16) is arranged at the lower end of the cylinder body (14), the cylinder body (14) and the base (16) are fixedly welded, the internal thread groove (13) is arranged at the upper end of the interior of the cylinder body (14), the internal thread groove (13) is rotatably connected with the threaded column (12), the depth of the internal thread groove (13) is the same as that of the threaded column (12), the inserting seat (15) is arranged in the cylinder body (14), the plug socket (15) is sleeved inside the barrel body (14), and the positioning handle (1) is welded and fixed with the transmission gear (5) through the base (16).

3. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: the protective cover is characterized in that the protective cover (3) comprises a connecting hole (31), fastening screws (32) and a shell (33), the connecting hole (31) is formed in the axis of the inner portion of the shell (33), the shell (33) is of an I-shaped structure, the shell (33) is fixedly connected with the connecting hole (31) in a sleeved mode, the fastening screws (32) are respectively arranged at the upper end and the lower end of the connecting hole (31), the fastening screws (32) are arranged in two modes, an outer thread groove is formed in the surface end of the outer side of each fastening screw (32), the fastening screws (32) are arranged in the upper end and the lower end of the connecting hole (31) in a sleeved mode, and the protective cover (3) is fixedly connected with the surface end of the holding handle (10) through the connecting hole (31).

4. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: the transmission gear (5) comprises a first connecting column (51), a first gear (52), a vertical rod (53), a frame (54), a second gear (55) and a second connecting column (56), the lower end of the first connecting column (51) is provided with the frame (54), the first connecting column (51) is welded and fixed with the frame (54), the lower end of the frame (54) is provided with the second connecting column (56), the frame (54) is welded and fixed with the second connecting column (56), the upper end of the inside of the frame (54) is provided with the first gear (52), the first gear (52) is fixedly sleeved with the frame (54), the axle centers of the inside of the first gear (52) and the second gear (55) are respectively provided with a round hole, the lower end of the first gear (52) is provided with the vertical rod (53), the vertical rod (53) is welded and fixed with the frame (54), montant (53) is the cylinder structure of solid form, frame (54) are the structure of cuboid, both ends respectively are provided with a branch about frame (54), the lower extreme of montant (53) is provided with second gear (55), second gear (55) cup joint fixedly with frame (54), drive gear (5) are through first spliced pole (51) and location handle (1) welded fastening.

5. The novel hand drill with the protection function as claimed in claim 4, is characterized in that: the size and specification of first gear (52) and second gear (55) are all the same, first gear (52) are respectively one in the upper and lower both ends of symmetry setting at montant (53) with second gear (55), the table end in the outside of first gear (52) and second gear (55) all is provided with the gear groove of chute, the axle center department of the inside of first gear (52) and second gear (55) all is provided with a circular shape hole.

6. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: protective cover (3) are the structure of class I shape, the inside left and right sides of protective cover (3) respectively is provided with an dead slot, the outside of protective cover (3) is circular-arc shape, protective cover (3) cup joint in the crossing department of holding up handle (10) and drive gear (5), one side of protective cover (3) that is close to the dead slot all is provided with the guard plate.

7. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: reversing gear (2) are discoid structure, one side of keeping away from of reversing gear (2) and changeing (4) is provided with perpendicular gear groove, reversing gear (2) can drive transmission shaft (6) when clockwise rotation and be close to drill bit (8) motion, reversing gear (2) can drive transmission shaft (6) when anticlockwise rotation and keep away from drill bit (8) motion.

8. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: the positioning handle (1) is of a hollow cylinder-like structure, the positioning handle (1) is fixedly welded with the transmission gear (5), the axis of the vertical end of the positioning handle (1) coincides with the axis of the drill bit (8), and anti-skid stripes are arranged at the surface end of the outer side of the positioning handle (1).

9. The novel hand drill with the protection function as claimed in claim 1, is characterized in that: the positioning handle (1), the rotating handle (4) and the holding handle (10) are both of a cylindrical structure, anti-slip stripes are arranged at the surface ends of the outer sides of the positioning handle (1), the rotating handle (4) and the holding handle (10), the positioning handle (1), the rotating handle (4) and the holding handle (10) have different functions, the positioning handle (1), the rotating handle (4) and the holding handle (10) are connected with different objects, the positioning handle (1) is fixedly welded with the transmission gear (5), the rotating handle (4) is fixedly welded with the reversing gear (2), and the holding handle (10) is fixedly sleeved with the protective cover (3).

Images