CN220112372U

CN220112372U - Portable drilling machine

Info

Publication number: CN220112372U
Application number: CN202321550576.6U
Authority: CN
Inventors: 请求不公布姓名; 张宪会; 雷瀚
Original assignee: Shenyang Mingri Equipment Technology Co ltd
Current assignee: Shenyang Mingri Equipment Technology Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-12-01
Anticipated expiration: 2033-06-15

Abstract

The utility model relates to a portable drilling machine, which belongs to the technical field of drilling machines and comprises a supporting base, wherein the supporting base is U-shaped, a lower supporting frame is rotatably arranged on the inner side of the left end of the supporting base, connecting pieces are symmetrically rotatably arranged at the upper end of the lower supporting frame, an upper supporting frame is rotatably arranged between the upper ends of the two connecting pieces, a drilling machine main body is fixedly arranged on the right surface of the upper supporting frame, a handle is fixedly arranged on the right surface of the drilling machine main body, a connection limiting device is arranged between the upper supporting frame and the lower supporting frame, first connecting holes are formed in the front surface and the rear surface of the lower end of the lower supporting frame, second connecting holes are formed in the front surface and the rear surface of the upper end of the upper supporting frame, connecting pin pieces are symmetrically and fixedly arranged on the front surface and the rear surface of the upper supporting base, connecting pin pieces are respectively provided with connecting bolts in a penetrating mode, and positioning concave blocks are fixedly arranged on the upper surface of the supporting base.

Description

Portable drilling machine

Technical Field

The utility model belongs to the technical field of drilling machines, and particularly relates to a portable drilling machine.

Background

A drilling machine is a device for performing a drilling operation on a workpiece.

Through searching, china in the related field grants patents, the patent publication number is: CN106424839a, patent name: the utility model provides a portable drilling machine, includes the machine case, and the screw is installed to the top of machine case, and the rotation is installed to the top of screw, and the internally mounted of machine case has the pulley, and the regulation pole is installed to one side of pulley, and the support frame is installed to the below of one side of machine case, and the handle is installed in the outside of support column, and the base is installed to the below of support column, and the base passes through the second hinge with the support column and rotates to be connected. This portable drilling machine's appearance design is small and exquisite, and installs first hinge between support frame and support column, makes the support frame can fold, installs the second hinge between support column and base, can control the base folding through it, and installs the handle in the outside of support column, when carrying, all fold support frame and base to with the support column in parallel position, then carry through the handle to make things convenient for the device to carry greatly.

The portable drilling machine in the prior art can be folded and stored, but is inconvenient to fix the folded form of the drilling machine after storage, and easy to shake and collide among the brackets during carrying, so that the portable drilling machine is inconvenient to solve the technical problem.

Disclosure of Invention

Aiming at the problems that after the portable drilling machine in the prior art is folded and stored, the brackets are inconvenient to fix, and shaking motion is easy to generate during carrying, and the portable drilling machine is inconvenient to carry, the portable drilling machine provided by the utility model has the advantages that after the upper support frame and the lower support frame are folded and stored, the inner side end of the connecting bolt can be screwed into the second connecting hole, the left end of the upper support frame is fixed with the support base, the connecting limiting device can be inserted into the positioning concave block, the right end of the upper support frame is fixed with the support base, after the upper support frame is fixed with the support base, the position of the lower support frame is limited, and each bracket cannot shake and collide during carrying, so that the portable drilling machine is more convenient to carry, and the problems that shaking motion is easy to generate between the brackets during carrying in the prior art and the carrying is inconvenient to carry are effectively solved. The specific technical scheme is as follows:

the utility model provides a portable drilling machine, includes the support base, the support base is the U type, the left end inboard rotation of support base installs the lower carriage, the upper end symmetry rotation of lower carriage installs the connecting piece, two rotate between the upper end of connecting piece and install the upper bracket, the right side fixed surface of upper bracket installs the drilling machine main part, the right side fixed surface of drilling machine main part installs the handle, install connection stop device between upper bracket and the lower carriage, first connecting hole has all been seted up to the lower extreme front and back surface of lower carriage, the second connecting hole has all been seted up to the upper end front and back surface of upper bracket, symmetrical fixed mounting has the connecting foot spare around the upper surface of support base, the connecting bolt is all run through the spiro union and is installed connecting bolt to the outside surface of connecting foot spare, connecting bolt uses with first connecting hole and second connecting hole cooperation, the upper surface fixed mounting of support base has the location concave block, location concave block uses with the cooperation of connection stop device.

In the above technical scheme, the slide has been run through to the upper surface of upper supporting frame, the slot has been seted up to the upper surface of lower carriage, connect stop device includes limiting plate and fixed plate, the limiting plate is pegged graft between slide and slot, and the top fixed mounting of limiting plate has the hollow piece, the hollow piece internal rotation is installed "I shape" connecting block, fixed plate fixed mounting is at the upper surface of upper supporting frame, the upper surface of fixed plate runs through the spiro union and installs the screw rod, the bottom and the upper surface fixed connection of "I shape" connecting block of screw rod.

In the technical scheme, a hand wheel is fixedly arranged at the top end of the screw rod.

In the above technical scheme, the lower surface mounting of drilling machine main part has a protection section of thick bamboo, the drill bit of drilling machine main part is located the protection section of thick bamboo, the top fixed mounting of protection section of thick bamboo has annular magnet piece, annular magnet piece adsorbs the lower surface at the drilling machine main part.

In the technical scheme, the limiting plate is an alloy steel plate, and the thickness of the limiting plate is matched with the widths of the slideway and the slot.

In the technical scheme, the anti-skid pads are symmetrically and fixedly arranged on the lower surface of the supporting base.

Compared with the prior art, the portable drilling machine has the beneficial effects that:

1. after the upper support frame and the lower support frame are folded and stored, the inner side end of the connecting bolt can be screwed into the second connecting hole, the left end of the upper support frame and the support base are fixed, the connecting limiting device can be inserted into the positioning concave block, the right end of the upper support frame and the support base are fixed, after the upper support frame and the support base are fixed, the position of the lower support frame is limited, and when the upper support frame and the lower support frame are carried, the upper support frame and the lower support frame do not shake and collide, so that the upper support frame is more convenient to carry.

2. According to the utility model, the protection cylinder is arranged on the lower surface of the drilling machine main body, and the annular magnet block is arranged at the top end of the protection cylinder, so that the drill bit of the drilling machine main body can be shielded by the protection cylinder under the condition of convenient installation, and the damage caused by direct impact of the drill bit and an external object in the carrying process can be avoided.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present utility model.

Fig. 2 is a schematic view of a first morphological structure of the present utility model.

FIG. 3 is a schematic diagram of a second embodiment of the present utility model.

Fig. 4 is a schematic structural view of a protective cylinder according to the present utility model.

Fig. 5 is a schematic view of the structure of the lower support frame of the present utility model.

Fig. 6 is an enlarged view of a partial structure at a in fig. 1.

In fig. 1-6, wherein: the novel drilling machine comprises a 1-supporting base, 11-connecting leg pieces, 12-connecting bolts, 13-positioning concave blocks, 14-anti-slip pads, 2-lower supporting frames, 21-inserting grooves, 22-first connecting holes, 3-switching pieces, 4-upper supporting frames, 41-sliding ways, 42-second connecting holes, 5-drilling machine bodies, 51-handles, 6-connecting limiting devices, 61-limiting plates, 62-hollow blocks, 63-I-shaped connecting blocks, 64-fixing plates, 65-screw rods, 66-hand wheels, 7-protection cylinders and 71-annular magnet blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution:

the portable drilling machine comprises a supporting base 1, wherein the supporting base 1 is U-shaped, a lower supporting frame 2 is rotatably arranged on the inner side of the left end of the supporting base 1, connecting pieces 3 are symmetrically rotatably arranged at the upper end of the lower supporting frame 2, an upper supporting frame 4 is rotatably arranged between the upper ends of the two connecting pieces 3, a drilling machine main body 5 is fixedly arranged on the right surface of the upper supporting frame 4, a handle 51 is fixedly arranged on the right surface of the drilling machine main body 5, a connecting limiting device 6 is arranged between the upper supporting frame 4 and the lower supporting frame 2, first connecting holes 22 are respectively formed in the front surface and the rear surface of the lower supporting frame 2, second connecting holes 42 are respectively formed in the front surface and the rear surface of the upper end of the upper supporting frame 4, connecting pin pieces 11 are symmetrically and fixedly arranged on the front surface and the rear surface of the upper supporting base 1, connecting bolts 12 are respectively arranged on the outer side surfaces of the connecting pin pieces 11 in a penetrating and screwed manner, positioning concave blocks 13 are fixedly arranged on the upper surfaces of the supporting base 1 and the connecting limiting device 6;

it should be noted that, as shown in fig. 1, the upper surface of the upper support frame 4 is provided with a slide 41 in a penetrating manner, the upper surface of the lower support frame 2 is provided with a slot 21, the connection limiting device 6 comprises a limiting plate 61 and a fixing plate 64, the limiting plate 61 is inserted between the slide 41 and the slot 21, the top end of the limiting plate 61 is fixedly provided with a hollow block 62, the hollow block 62 is rotatably provided with an I-shaped connecting block 63, the fixing plate 64 is fixedly provided with the upper surface of the upper support frame 4, the upper surface of the fixing plate 64 is provided with a screw 65 in a penetrating and screw connection manner, and the bottom end of the screw 65 is fixedly connected with the upper surface of the I-shaped connecting block 63;

as shown in fig. 1 and 2, in the use state of the present utility model, the lower support frame 2 is kept at a vertical position to the support base 1, the lower end of the lower support frame 2 is connected to the first connection hole 22 of the lower support frame 2 by using the connection bolt 12, the lower end of the lower support frame 2 is fixedly connected to the support base 1, then the screw 65 is rotated, the limiting plate 61 is moved down along the slide way 41 and inserted into the slot 21 of the lower support frame 2 by using the linkage cooperation of the screw 65, the i-shaped connection block 63 and the hollow block 62, after the insertion, the upper support frame 4 and the lower support frame 2 are vertically fixed, and after the fixation, the drilling machine main body 5 is positioned right above the support base 1 as shown in fig. 2, and the material is placed on the upper surface of the support base 1 for punching.

As shown in fig. 3, in the storage state, after the upper support frame 4 and the lower support frame 2 are folded and attached, the connecting bolt 12 is used to connect with the second connecting hole 42 of the upper support frame 4, so that the left end of the upper support frame 4 can be fixedly connected with the support base 1, then the screw 65 is rotated, the limiting plate 61 is inserted into the positioning concave 13 by the linkage fit of the screw 65, the I-shaped connecting block 63 and the hollow block 62, the right end of the upper support frame 4 is in a fixed state with the support base 1, the lower support frame 2 is also in a limited state, at this time, the portable handle 51 can carry the whole drilling machine, and in the carrying process, the upper support frame 4, the lower support frame 2 and the support base 1 are all in a limited state, no shaking condition occurs, so that the carrying is more convenient.

In order to facilitate the rotation of the screw 65, a hand wheel 66 is fixedly arranged at the top end of the screw 65, and the screw 65 is driven to rotate by rotating the hand wheel 66, so that the labor and the convenience can be improved.

In addition, in order to avoid carrying the in-process, the drill bit of drilling machine main part 5 can receive unexpected striking damage or the drill bit can scratch peripheral people, install protection section of thick bamboo 7 at the lower surface of drilling machine main part 5, and the drill bit of drilling machine main part 5 is located protection section of thick bamboo 7, can utilize protection section of thick bamboo 7 to shelter from the drill bit of drilling machine main part 5 and protect, avoid it to receive the damage or scratch peripheral people.

As shown in fig. 4, an annular magnet block 71 is fixedly mounted at the top end of the protective cylinder 7, and the annular magnet block 71 is adsorbed on the lower surface of the drill body 5, so that the installation and the detachment between the protective cylinder 7 and the drill body 5 can be facilitated by arranging the magnet block 71.

It should be noted that, in order to avoid the easy deformation of the limiting plate 61 and the influence on the use, the limiting plate 61 needs to be made of an alloy steel plate, and the thickness of the limiting plate 61 needs to be set to be the same as the width of the slide way 41 and the width of the slot 21, so that the outer surface of the limiting plate 61 is attached to the inner side walls of the slide way 41 and the slot 21, and the stability of the drilling machine main body 5 during operation is ensured.

In addition, in order to guarantee the stability of supporting the base 1, the slipmat 14 is symmetrically and fixedly arranged on the lower surface of the supporting base 1, and the slipmat 14 can play a role in skid resistance, so that the supporting base 1 is prevented from sliding in the material punching process, and the material punching quality is guaranteed.

When the portable folding and storing device is folded and stored, the hand wheel 66 is rotated to drive the screw 65 to drive the limit plate 61 to move upwards to leave the slot 21 of the lower support frame 2, then the handle 51 is held to enable the drilling machine main body 5 and the upper support frame 4 to turn left, the upper support frame 4 and the lower support frame 2 are folded to be in an outer surface attaching state by means of the connecting piece 3 in the turning process, the connecting bolt 12 is unscrewed, the lower support frame 2 and the upper support frame 4 are synchronously turned right, after the lower support frame 2 is turned over, the lower support frame 2 is positioned in the support base 1, the second connecting hole 42 of the upper support frame 2 is positioned corresponding to the position of the connecting foot piece 11, the connecting bolt 12 penetrates through the connecting foot piece 11 and is connected with the second connecting hole 42, at the moment, the left end of the upper support frame 2 is fixed with the support base 1, finally, the hand wheel 66 is rotated to drive the screw 65 to drive the limit plate 61 to move towards the positioning concave piece 13, and after the limit plate 61 is inserted into the groove of the positioning concave piece 13, the right end of the upper support frame 2 is fixed with the support base 1, at the moment, the upper support frame 4, the lower support frame 2 and the support base 1 are all limited, and the position of the handle 51 can be held to carry the portable folding device for practical movement.

Claims

1. The utility model provides a portable drilling machine, includes support base (1), support base (1) is the U type, its characterized in that, support the inboard rotation of left end of base (1) and install lower carriage (2), the upper end symmetry rotation of lower carriage (2) is installed and is installed connecting piece (3), two rotate between the upper end of connecting piece (3) and install upper bracket (4), the right surface fixed mounting of upper bracket (4) has drilling machine main part (5), the right surface fixed mounting of drilling machine main part (5) has handle (51), install between upper bracket (4) and lower carriage (2) and connect stop device (6);

the front surface and the rear surface of the lower end of the lower support frame (2) are provided with first connecting holes (22);

the front surface and the rear surface of the upper end of the upper supporting frame (4) are respectively provided with a second connecting hole (42);

the connecting pin pieces (11) are symmetrically and fixedly arranged on the front and back of the upper surface of the supporting base (1), connecting bolts (12) are arranged on the outer side surfaces of the connecting pin pieces (11) in a penetrating and threaded mode, and the connecting bolts (12) are matched with the first connecting holes (22) and the second connecting holes (42);

the upper surface of the supporting base (1) is fixedly provided with a positioning concave block (13), and the positioning concave block (13) is matched with the connecting limiting device (6).

2. The portable drilling machine according to claim 1, wherein the upper surface of the upper support frame (4) is provided with a slideway (41) in a penetrating way, and the upper surface of the lower support frame (2) is provided with a slot (21);

the connecting limiting device (6) comprises a limiting plate (61) and a fixing plate (64), wherein the limiting plate (61) is inserted between the slideway (41) and the slot (21), a hollow block (62) is fixedly arranged at the top end of the limiting plate (61), an I-shaped connecting block (63) is rotatably arranged in the hollow block (62), the fixing plate (64) is fixedly arranged on the upper surface of the upper supporting frame (4), a screw rod (65) is arranged on the upper surface of the fixing plate (64) in a penetrating and screwing mode, and the bottom end of the screw rod (65) is fixedly connected with the upper surface of the I-shaped connecting block (63).

3. A portable drilling machine according to claim 2, characterized in that the top end of the screw (65) is fixedly provided with a hand wheel (66).

4. The portable drilling machine according to claim 1, wherein the lower surface of the drilling machine main body (5) is provided with a protection cylinder (7), a drill bit of the drilling machine main body (5) is positioned in the protection cylinder (7), the top end of the protection cylinder (7) is fixedly provided with an annular magnet block (71), and the annular magnet block (71) is adsorbed on the lower surface of the drilling machine main body (5).

5. The portable drilling machine according to claim 2, wherein the limiting plate (61) is an alloy steel plate, and the thickness of the limiting plate (61) is matched with the widths of the slideway (41) and the slot (21).

6. A portable drilling machine according to claim 1, characterized in that the lower surface of the support base (1) is symmetrically and fixedly provided with skid-proof pads (14).