CN215966474U

CN215966474U - Reversing structure and electric drill machine

Info

Publication number: CN215966474U
Application number: CN202122241794.9U
Authority: CN
Inventors: 张爱民; 庄京忠; 蒋友财; 赵成龙; 庞杰初; 林俊廷
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Electrical and Mechanical Engineering Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Electrical and Mechanical Engineering Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-08
Anticipated expiration: 2031-09-15

Abstract

The utility model provides a reversing structure and an electric drill machine, relates to the technical field of machines and tools, and solves the technical problem that vertical drilling is difficult to perform through an electric drill provided with a drill bit when the drilling space is limited in the prior art. The device comprises a shell and a transmission assembly, wherein the transmission assembly is supported on the shell, an implement mounting part used for being connected with a rotary implement and a connector mounting part used for being connected with a polishing head or a drill bit are formed on the transmission assembly, an included angle or an angle formed by a non-coplanar straight line exists between the axis of the implement mounting part and the axis of the connector mounting part, and the rotary implement can drive the polishing head or the drill bit to rotate through the transmission assembly; the transmission assembly is a gear transmission assembly, and the axes of the machine tool mounting position and the connector mounting position are vertical to each other. The utility model is used for realizing vertical drilling under the condition of limited space.

Description

Reversing structure and electric drill machine

Technical Field

The utility model relates to the technical field of machines, in particular to a reversing structure and an electric drill machine.

Background

The engineering installation often needs to use the electric drill to drill on metal sheet, plastics, muddy earth, timber, is enough to the position space in hole place, uses traditional electric drill vertical drilling to be unproblematic (vertical drilling means the drill bit is perpendicular with the drilling face). However, if the position of the hole is blocked and interfered, the hole cannot be vertically drilled by using the electric drill. In the case of the situation, the common method in engineering is to drill holes obliquely and mount bolts obliquely, which not only affects mounting quality but also affects appearance. Therefore need utility model a switching-over device, change the drilling direction of electric drill, what make under the limited condition in space also can realize drill bit vertical drilling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reversing structure and an electric drill tool, and solves the technical problem that vertical drilling is difficult to perform through an electric drill provided with a drill bit when the drilling space is limited in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a reversing structure which comprises a shell and a transmission assembly, wherein the transmission assembly is supported on the shell, an implement mounting part used for being connected with a rotary implement and a connector mounting part used for being connected with a polishing head or a drill bit are formed on the transmission assembly, an included angle or an angle formed by a non-coplanar straight line exists between the axis of the implement mounting part and the axis of the connector mounting part, and the rotary implement can drive the polishing head or the drill bit to rotate through the transmission assembly.

Further, the reversing structure further comprises a handle, a handle mounting part is formed on the shell, and the handle is connected to the handle mounting part.

Further, the handle is detachably connected with the handle mounting part.

Furthermore, the left side and the right side of the mounting position of the machine tool are both provided with the mounting positions of the handles; or the handle mounting part is arranged on the left side or the right side of the implement mounting part.

Further, the handle is in a straight shape or an L shape.

Furthermore, the axis of the implement mounting position is perpendicular to the axis of the connector mounting position.

Further, the transmission assembly is a gear transmission assembly.

Further, the transmission assembly comprises a first transmission gear and a second transmission gear, and the first transmission gear is meshed with the second transmission gear; two ends of the first transmission gear are respectively provided with a first supporting shaft end, the two first supporting shaft ends are supported on the shell through bearings, and one of the first supporting shaft ends protrudes out of the shell to form the machine tool mounting part; and the two ends of the second transmission gear are respectively provided with a second supporting shaft end, the two second supporting shaft ends are supported on the shell through bearings, and one of the second supporting shaft ends is provided with the connector mounting part.

Furthermore, a mounting groove is formed in the transmission assembly, and an electric drill clamping jaw is arranged in the mounting groove to form a connector mounting part; electric drill bit clamping jaw includes splint, resilient means and retaining member, two the splint set up relatively in the mounting groove and pass through respectively resilient means with drive assembly is connected, the retaining member is connected drive assembly is last, through adjusting the retaining member extrusion splint make it to another the orientation of splint removes can establish two the head of polishing or drill clamp between the retaining member.

Furthermore, the locking pieces are adjusting screws, and each clamping plate corresponds to one locking piece; the elastic device is a spring element.

Further, an oil filling hole is formed in the top of the shell, and an oil hole plug is arranged on the oil filling hole.

The utility model provides an electric drill machine which comprises an electric drill, a drill bit and a reversing structure, wherein the electric drill is connected with a machine installation part of the reversing structure, and the drill bit is connected with a connector installation part of the reversing structure.

The utility model provides a reversing structure, which is connected with a drill bit and an electric drill, so that an angle exists between the axis of a drill bit mounting hole position of the electric drill and the axis of the drill bit, and the vertical drilling can be realized under the condition of limited space, and the reversing structure comprises the following specific examples: the electric drill is connected to the mounting position of the machine tool, the drill bit is connected to the mounting position of the connector, and the axis of the mounting position of the machine tool is perpendicular to the axis of the mounting position of the connector. Referring to fig. 3, a cross-sectional view of the reversing structure in a use state is illustrated, and fig. 3 illustrates that there is not enough space above a drilling surface, and it is difficult to achieve vertical drilling by using a conventional electric drill and a drill bit; if the reversing structure is used for connecting the drill bit and the electric drill, the drill bit is perpendicular to the drilling surface, and the electric drill can be positioned outside the drilling space, so that vertical drilling can be realized under the condition of limited space; the transmission assembly is used as an intermediate transmission structure, and when the electric drill is powered on and started, the transmission assembly drives the drill bit to rotate so as to implement drilling operation.

The preferred technical scheme of the utility model can at least produce the following technical effects:

in order to realize stable, smooth and accurate drilling, the reversing structure further comprises a handle, a handle mounting part is formed on the shell, and the handle is connected to the handle mounting part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic top view of a commutation configuration provided by an embodiment of the utility model;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic cross-sectional view of a connector mounting portion (with a drill mounted) according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a connector mounting portion according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a reversing structure provided in an embodiment of the present invention in use;

fig. 6 is another schematic top view of a commutation configuration provided by an embodiment of the utility model.

FIG. 1-housing; 2, electric drilling; 3-mounting positions of machines and tools; 4-a drill bit; 5-connector mounting part; 6-a handle; 7-handle mounting part; 8-a first drive gear; 801-first support shaft end; 9-a second transmission gear; 901-a second support shaft end; 10-a bearing; 11-oil hole plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The utility model provides a reversing structure, which comprises a shell 1 and a transmission assembly, wherein the transmission assembly is supported on the shell 1, an implement mounting part 3 used for being connected with a rotary implement and a connector mounting part 5 used for being connected with a polishing head or a drill bit 4 are formed on the transmission assembly, an included angle or an angle formed by a heterofacial straight line exists between the axis of the implement mounting part 3 and the axis of the connector mounting part 5 (the included angle range of two intersected straight lines is (0 degree and 90 degrees), the included angle formed by the two heterofacial straight lines is (0 degree and 90 degrees)), the rotary implement can drive the polishing head or the drill bit 4 to rotate through the transmission assembly, the rotary implement can be an electric drill 2, when the electric drill drills on metal plates, plastics, concrete and wood, the position space where holes are located is enough, and when the conventional electric drill is used for vertical drilling, when the electric drill is used for vertical drilling, the axis of the drill bit mounting hole of the drill 2 is collinear with the axis of the drill bit 4, requiring sufficient space above the drilling surface). However, if the position of the hole is blocked and interfered, the hole cannot be vertically drilled by using the electric drill. The utility model provides a reversing structure, which is used for connecting a drill bit 4 and an electric drill 2, so that an angle exists between the axis of a drill bit mounting hole position of the electric drill 2 and the axis of the drill bit 4, and the vertical drilling can be realized under the condition of limited space, and the reversing structure comprises the following specific examples: the electric drill 2 is connected to the implement mounting part 3, the drill bit 4 is connected to the connector mounting part 5, and the axis of the implement mounting part 3 is preferably perpendicular to the axis of the connector mounting part 5. Referring to fig. 5, which shows a cross-sectional view of the reversing structure in a use state, fig. 3 shows that there is not enough space above a drilling surface, and it is difficult to achieve vertical drilling (vertical drilling means that a drill bit is perpendicular to the drilling surface) by using a conventional electric drill 2 and a drill bit 4; if the reversing structure is used for connecting the drill bit 4 and the electric drill 2, the drill bit 4 is vertical to the drilling surface, and the electric drill 2 can be positioned outside the drilling space, so that vertical drilling can be realized under the condition of limited space; the transmission assembly is used as an intermediate transmission structure, and when the electric drill 2 is powered on and started, the drill bit is driven to rotate through the transmission assembly so as to implement drilling operation.

As an alternative embodiment, in order to realize stable, smooth and accurate drilling, the reversing structure further comprises a handle 6, a handle mounting portion 7 is formed on the housing 1, and the handle 6 is connected to the handle mounting portion 7. Referring to fig. 1, a hand mounting portion 7 and a handle 6 are illustrated, and the handle mounting portion 7 is disposed on both the left and right sides of the implement mounting portion 3; alternatively, the handle mounting portion 7 is provided on the left or right side of the implement mounting portion 3. When the reversing structure is used for being matched with an electric drill to drill, the handle 6 can be held by a hand and force can be applied to the handle 6, so that the drill bit 4 can be pushed against the drilling surface, the smooth drilling can be guaranteed, and the accuracy of the drilling position can be utilized. Before starting, the electric drill 2 is held by one hand, the handle 6 is grasped by one hand, and the drill bit 4 is aligned to the position needing drilling.

Preferably, the handle 6 and the handle installation part 7 are detachably connected, the handle 6 and the handle installation part 7 can be in threaded connection, the threaded connection mode is simple, and the handle 6 can be conveniently installed and detached. Preferably, handle mounting portions 7 are provided on both the left and right sides of the implement mounting portion 3, and depending on the position of a specific drilled hole, the handle 6 is selectively mounted on the left handle mounting portion 7 or the handle 6 is selectively mounted on the right handle mounting portion 7.

As an alternative embodiment, the handle 6 is in the shape of a straight line or L. Referring to fig. 1, the handle 6 is shown as a whole in a straight line. The handle 6 may also be L-shaped, see fig. 4, which illustrates an L-shaped handle 6, and an L-shaped handle 6 may also be selected when the space for drilling is limited. Of course, the handle 6 may have other shapes than a straight shape or an L shape, and the handle 6 may be additionally provided with anti-slip threads.

In an alternative embodiment, the transmission assembly is a geared transmission assembly. Specifically, referring to fig. 2, the transmission assembly includes a first transmission gear 8 and a second transmission gear 9, and the first transmission gear 8 is meshed with the second transmission gear 9; the first transmission gear 8 and the second transmission gear 9 are both in a bevel gear structure, two ends of the first transmission gear 8 are both provided with first supporting shaft ends 801, the two first supporting shaft ends 801 are supported on the shell 1 through bearings 10, and one of the first supporting shaft ends 801 protrudes out of the shell 1 to form a machine tool mounting part 3; two ends of the second transmission gear 9 are respectively provided with a second supporting shaft end 901, the two second supporting shaft ends 901 are supported on the shell 1 through bearings 10, and one first supporting shaft end 801 is provided with an implement mounting part 3. When the electric drill 2 is powered on, the electric drill 2 can drive the first transmission gear 8 to rotate, and because the first transmission gear 8 is meshed with the second transmission gear 9, the first transmission gear 8 rotates to drive the second transmission gear 9 to rotate, the drill bit 4 is fixed on the second transmission gear 9, and the second transmission gear 9 rotates to drive the drill bit 4 to rotate.

In addition, in order to improve the versatility, the attachment of the tool attachment portion 3 to the drill 2 is performed in the same manner as the attachment of the drill 4 to the drill 2, and the tool attachment portion 3 is engaged with the drill attachment hole of the drill 2.

The mounting manner of the second supporting shaft end 901 and the drill bit 4 is as follows: the second supporting shaft end 901 is provided with a mounting groove, and an electric drill clamping jaw is arranged in the mounting groove to form a connector mounting part 5; the electric drill clamping jaw comprises clamping plates 12, elastic devices 13 and locking pieces 14, the two clamping plates 12 are oppositely arranged in the mounting groove and are respectively connected with a second supporting shaft end 901 through the elastic devices 13, the locking pieces 14 are connected to the second supporting shaft end 901, and the clamping plates 12 are extruded by adjusting the locking pieces 14 to move towards the other clamping plate 12, so that the polishing head or the drill 4 can be clamped between the two locking pieces 14. The locking members 14 can be adjusting screws, one locking member 14 for each splint 12; the resilient means 13 is preferably a spring element.

Referring to fig. 4, when the drill 4 is not mounted, the elastic means 13 is in a free state and the locking member 14 is in a non-tightened state, and no force is applied to the clamping plate 12. Referring to fig. 3, after the drill bit 4 is installed, the locking member 14 is screwed towards the central axis of the second transmission gear 9, the clamping plate 12 moves towards the center under the action of the corresponding locking member 14, at this time, the elastic device 13 is gradually elongated, when the locking member 14 is screwed to be incapable of being screwed again (the end part of the adjusting screw is limited to be screwed into the central axis of the second transmission gear 9 continuously), the clamping plate 12 tightly presses the drill bit 4, and the drill bit 4 is connected with the second transmission gear 9 into a whole.

As an alternative embodiment, the top of the housing 1 forms an oil hole, on which an oil hole plug 11 is provided. Lubricating oil can be injected through the oil injection hole to lubricate and cool the gear set, and smooth drilling operation is guaranteed to be completed.

The utility model provides an electric drill machine, which comprises an electric drill 2, a drill bit 4 and a reversing structure, wherein the electric drill 2 is connected with a machine installation part 3 of the reversing structure, and the drill bit 4 is connected with a connector installation part 5 of the reversing structure. Preferably, the implement mounting point 3 and the coupler mounting point 5 are perpendicular to each other in axis. Referring to fig. 3, a cross-sectional view of the reversing structure in a use state is illustrated, and fig. 3 illustrates that there is not enough space above a drilling surface, and it is difficult to achieve vertical drilling (vertical drilling refers to that a drill bit is perpendicular to the drilling surface) if a conventional electric drill 2 and a drill bit 4 are used; if the drill bit 4 and the electric drill 2 are connected by using the reversing structure, the drill bit 4 is vertical to the drilling surface, and the electric drill 2 can be positioned outside the drilling space, so that the vertical drilling can be realized under the condition of limited space.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A reversing structure is characterized by comprising a shell (1) and a transmission assembly, wherein,

the transmission assembly supports on casing (1), form on the transmission assembly and be used for the machines installation position (3) that are connected with rotatory machines and tools and be used for connector installation position (5) that are connected with the head of polishing or drill bit (4), the axis of machines installation position (3) with there is contained angle or heterofacial straight line between the axis of connector installation position (5) and angulation, just rotatory machines can pass through the transmission assembly drives the head of polishing or drill bit (4) rotate.

2. The reversing structure according to claim 1, characterized in that the reversing structure further comprises a handle (6), a handle mounting portion (7) is formed on the housing (1), and the handle (6) is attached to the handle mounting portion (7).

3. A reversing structure according to claim 2, characterized in that the handle (6) is detachably connected to the handle mounting portion (7).

4. The reversing structure according to claim 2, wherein the handle mounting portions (7) are provided on both left and right sides of the implement mounting portion (3); or the handle mounting part (7) is arranged on the left side or the right side of the implement mounting part (3).

5. A commutation structure according to claim 2, wherein the handle (6) is in the shape of a straight line or L.

6. A reversing structure according to claim 1, characterized in that the axis of the implement mounting location (3) is perpendicular to the axis of the connector mounting location (5).

7. The reversing structure according to any one of claims 1 to 6, wherein the transmission assembly is a gear transmission assembly.

8. The reversing structure according to claim 7, wherein the transmission assembly comprises a first transmission gear (8) and a second transmission gear (9), the first transmission gear (8) and the second transmission gear (9) being meshed;

two ends of the first transmission gear (8) are respectively provided with a first supporting shaft end (801), the two first supporting shaft ends (801) are supported on the shell (1) through bearings (10), and one of the first supporting shaft ends (801) protrudes out of the shell (1) to form the machine tool mounting part (3);

two ends of the second transmission gear (9) are respectively provided with a second supporting shaft end (901), the two second supporting shaft ends (901) are supported on the shell (1) through bearings (10), and one of the first supporting shaft ends (801) is provided with the connector mounting part (5).

9. The reversing structure according to claim 1, wherein a mounting groove is provided on the transmission assembly, and an electric drill bit jaw is provided in the mounting groove to form the connector mounting portion (5); electric drill bit clamping jaw includes splint (12), resilient means (13) and retaining member (14), two splint (12) set up relatively in the mounting groove and pass through respectively resilient means (13) with drive assembly is connected, retaining member (14) are connected on the drive assembly, through adjusting retaining member (14) extrusion splint (12) make it to another the direction of splint (12) is moved can be established two with the clamp of polishing head or drill bit (4) between retaining member (14).

10. The reversing structure according to claim 9, wherein the retaining members (14) are set screws, one retaining member (14) for each clamping plate (12); the elastic device (13) is a spring element.

11. The commutation structure of any one of claims 1 to 6, wherein the top of the housing (1) forms an oil hole, on which an oil hole plug (11) is provided.

12. An electric drill implement, characterized in that, includes electric drill (2), drill bit (4) and the structure of commutating of any of claims 1-11, electric drill (2) with the implement installation position (3) of structure of commutating are connected, drill bit (4) with connector installation position (5) of structure of commutating are connected.