CN219188751U

CN219188751U - Hole saw connector structure convenient to dismouting

Info

Publication number: CN219188751U
Application number: CN202320182630.XU
Authority: CN
Inventors: 张云华; 邬云周; 黄松; 柴文荣
Original assignee: Zhejiang Jinnuo Tools Co ltd
Current assignee: Zhejiang Jinnuo Tools Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-16
Anticipated expiration: 2033-02-10

Abstract

The utility model provides a hole saw connector structure convenient to disassemble and assemble, relates to the technical field of hole saw connection structures, and aims to solve the problems that a traditional hole saw is difficult to disassemble and replace due to the fact that a thread structure is easy to bite when connected with a drill rod on an electric drill, and the hole saw is also required to be completed by a matched tool during disassembly, so that convenience of the hole saw during disassembly is reduced, and the hole saw comprises the drill rod; the connector is arranged outside the lower end of the drill rod, and the lower end of the connector is connected with a hole saw; two plugging mechanisms are symmetrically arranged outside the upper end of the connector; through stop gear and plugboard's cooperation, can be when dismantling the change hole saw, only need through manual pulling rod backward, can dismantle the hole saw downwards, and whole change in-process because not using the helicitic texture to avoid appearing the screw thread phenomenon of locking, and need not the cooperation instrument and can accomplish when dismantling, thereby improved the convenience of hole saw when dismantling.

Description

Hole saw connector structure convenient to dismouting

Technical Field

The utility model belongs to the technical field of hole saw connection structures, and particularly relates to a hole saw connector structure convenient to assemble and disassemble.

Background

Hole saws, also known as hole saws or hole openers, are a type of special circular saw for machining circular holes in modern industry or engineering, and are commonly used by being mounted on drill rods of electric drills.

And when traditional hole saw is being connected with the drilling rod on the electric drill, because carry out threaded connection through the screw generally, and threaded connection's hole saw is after using one section, makes the thread structure appear biting the phenomenon very easily to make the hole saw be difficult to dismantle the change, and the hole saw still need the cooperation instrument to accomplish when dismantling, thereby reduced the convenience of hole saw when dismantling.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a hole saw connector structure convenient to disassemble and assemble, which solves the problems that when a traditional hole saw is connected with a drill rod on an electric drill, the hole saw is difficult to disassemble and replace due to the fact that a thread structure is easy to bite, and the hole saw is also required to be completed by a matched tool during disassembly, so that convenience of the hole saw during disassembly is reduced.

The utility model provides a hole saw connector structure convenient to assemble and disassemble, which is achieved by the following specific technical means:

a hole saw connector structure convenient to disassemble and assemble comprises a drill rod; the connector is arranged outside the lower end of the drill rod, and the lower end of the connector is connected with a hole saw; two plugging mechanisms are symmetrically arranged outside the upper end of the connector, and a limiting mechanism is arranged on the right side of the connector; the outside fixedly connected with limiting plate of drilling rod, and a spacing spliced eye has all been seted up to drilling rod left and right sides face lower part.

Further, the connector comprises a circular connecting plate, a hexagonal cylinder, a drill bit and a limiting hole, wherein the hexagonal cylinder is welded in the middle of the upper end surface of the circular connecting plate, and the inner shape of the hexagonal cylinder is matched with the shape of the lower end of the drill rod; the middle part of the bottom end face of the circular connecting plate is fixedly connected with a drill bit, and the upper end face of the circular connecting plate is provided with three limiting holes in an annular array shape.

Furthermore, the upper end face of the hole saw is in an annular array shape and is fixedly connected with three limit inserting columns, and the right side of the upper end face of the hole saw is fixedly connected with an inserting plate; the front end face of the plug board is provided with a rectangular socket.

Further, the inserting mechanism comprises a rectangular sliding cylinder, a rectangular sliding block, an inserting connection rod, a guide rod, a square column, a limiting plate and a limiting column, wherein the rectangular sliding cylinder is fixedly connected to the upper part of one side surface of the hexagonal cylinder, the rectangular sliding block is connected inside the rectangular sliding cylinder in a sliding manner, the inserting connection rod penetrating through the head part of the rectangular sliding cylinder is arranged at the head end of the rectangular sliding block, the guide rod penetrating through the tail part of the rectangular sliding cylinder is arranged at the tail end of the rectangular sliding block, and a spring is sleeved outside the guide rod and positioned inside the rectangular sliding cylinder; the rectangular sliding block is characterized in that a square column is fixedly connected to the front end face of the rectangular sliding block, a limiting plate is connected to the outer portion of the square column in a sliding mode, a limiting block is arranged at the front end of the square column, a spring is sleeved between the limiting plate and the limiting block outside the square column, and a limiting column is arranged on the front end face of the rectangular sliding cylinder.

Further, when the plugging mechanism is in a limiting state, the plugging rod is plugged with the limiting plugging hole.

Further, the limiting mechanism comprises a sliding frame, a sliding block, a plug strip, a pulling rod and a -shaped auxiliary holding rod, wherein the sliding frame is fixedly arranged on the right side of the upper end surface of the circular connecting plate, and the inner side of the sliding frame is connected with the sliding block in a sliding manner; the front end of the sliding block is provided with a plug strip penetrating through the front side of the sliding frame, the tail end of the sliding block is provided with a pulling rod penetrating through the tail of the sliding frame, and the outside of the pulling rod is positioned at the inner side of the sliding frame and is sleeved with a spring; and a -shaped auxiliary holding rod is arranged on the rear end face of the sliding frame.

Further, when the limiting mechanism is in a limiting state, the plug strip is plugged with a rectangular socket formed in the front end face of the plug board.

Furthermore, the lower edge angle of the front end surface of the plug strip is set as a chamfer.

Compared with the prior art, the utility model has the following beneficial effects:

1. through stop gear and the cooperation of plugboard, can be when dismantling the change hole saw, only need through manual pulling rod backward, then carry sliding block and plug strip backward movement, thereby the rectangle socket separation that the plug strip front end was offered with plugboard front end face, thereby make the hole saw lose the spacing effect of upper and lower direction, then with the hole saw dismantle downwards change can, whole change in-process, owing to not using the helicitic texture, thereby avoid appearing the thread seizure phenomenon, and need not the cooperation instrument and can accomplish when dismantling, thereby the convenience of hole saw when dismantling has been improved.

2. Through the cooperation of grafting mechanism and spacing spliced eye, when need pull down the connector from the outside of drilling rod lower extreme, only need with limiting plate to the tail end pulling to take rectangular slide block and spliced pole to the tail end removal, thereby make the spliced pole pull out from spacing spliced eye inside, thereby make six arris section of thick bamboo lose fixed action in the drilling rod lower extreme outside, then with the connector pull down can, thereby improved the convenience of connector and drill bit when need dismantle.

Drawings

Fig. 1 is an isometric view of the present utility model.

Fig. 2 is a schematic view of the structure of the present utility model in a disassembled state.

Fig. 3 is a schematic structural view of the plugging mechanism of the utility model.

Fig. 4 is a schematic structural view of a limiting mechanism of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a drill rod; 101. a limiting plate; 102. limiting the plug hole; 2. a connector; 201. a circular connecting plate; 202. a hexagonal cylinder; 203. a drill bit; 204. a limiting hole; 3. hole saw; 301. a plug board; 302. limiting plug posts; 4. a plug-in mechanism; 401. a rectangular slide cylinder; 402. a rectangular slide block; 403. inserting a connecting rod; 404. a guide rod; 405. square columns; 406. a limiting plate; 407. a limit column; 5. a limiting mechanism; 501. a sliding frame; 502. a sliding block; 503. a plug strip; 504. pulling the rod; 505. the shape assists the grip.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 4:

the utility model provides a hole saw connector structure convenient to disassemble and assemble, which comprises a drill rod 1; the connector 2 is arranged outside the lower end of the drill rod 1, and the lower end of the connector 2 is connected with the hole saw 3; two plugging mechanisms 4 are symmetrically arranged outside the upper end of the connector 2, and a limiting mechanism 5 is arranged on the right side of the connector 2; the outside of the drill rod 1 is fixedly connected with a limiting plate 101, and the lower parts of the left side surface and the right side surface of the drill rod 1 are respectively provided with a limiting plug hole 102; the connector 2 comprises a circular connecting plate 201, a hexagonal cylinder 202, a drill bit 203 and a limiting hole 204, wherein the hexagonal cylinder 202 is welded in the middle of the upper end surface of the circular connecting plate 201, and the inner shape of the hexagonal cylinder 202 is matched with the shape of the lower end of the drill rod 1; the middle part of the bottom end surface of the circular connecting plate 201 is fixedly connected with a drill bit 203, and the upper end surface of the circular connecting plate 201 is provided with three limiting holes 204 in an annular array shape for being spliced with the splicing rod 403.

Referring to fig. 1 and 2, three limit posts 302 are fixedly connected to the upper end surface of the hole saw 3 in an annular array shape, and a pin board 301 is fixedly connected to the right side of the upper end surface of the hole saw 3; the front end face of the plug board 301 is provided with a rectangular socket for plugging with the plug strip 503.

Referring to fig. 1 and 3, the plugging mechanism 4 includes a rectangular sliding cylinder 401, a rectangular sliding block 402, a plugging rod 403, a guide rod 404, a square column 405, a limiting plate 406 and a limiting column 407, wherein the rectangular sliding cylinder 401 is fixedly connected to the upper part of one side surface of the hexagonal cylinder 202, the rectangular sliding block 402 is slidably connected inside the rectangular sliding cylinder 401, the plugging rod 403 penetrating through the head of the rectangular sliding cylinder 401 is arranged at the head end of the rectangular sliding block 402, the guide rod 404 penetrating through the tail of the rectangular sliding cylinder 401 is arranged at the tail end of the rectangular sliding block 402, and a spring is sleeved inside the rectangular sliding cylinder 401 outside the guide rod 404; the front end face of the rectangular sliding block 402 is fixedly connected with a square column 405, the outside of the square column 405 is slidably connected with a limiting plate 406, the front end of the square column 405 is provided with a limiting block, a spring is sleeved between the limiting plate 406 and the limiting block outside the square column 405, and the front end face of the rectangular sliding cylinder 401 is provided with a limiting column 407; when the plugging mechanism 4 is in a limiting state, the plugging rod 403 is plugged with the limiting plugging hole 102, and the hexagonal cylinder 202 is fixed outside the lower end of the drill rod 1 through the arrangement of the plugging mechanism 4.

Referring to fig. 1 and 4, the limiting mechanism 5 includes a sliding frame 501, a sliding block 502, a plugging strip 503, a pulling rod 504 and a auxiliary holding rod 505, the sliding frame 501 is fixedly installed on the right side of the upper end surface of the circular connecting plate 201, and the sliding block 502 is slidingly connected to the inner side of the sliding frame 501; the front end of the sliding block 502 is provided with a plug strip 503 penetrating through the front side of the sliding frame 501, the tail end of the sliding block 502 is provided with a pulling rod 504 penetrating through the tail of the sliding frame 501, and the outside of the pulling rod 504 is positioned at the inner side of the sliding frame 501 and is sleeved with a spring; a -shaped auxiliary holding rod 505 is arranged on the rear end surface of the sliding frame 501, and is used for fixing the hole saw 3 at the bottom of the circular connecting plate 201 through the arrangement of the limiting mechanism 5;

when the limiting mechanism 5 is in a limiting state, the plug strip 503 is plugged with a rectangular socket formed in the front end face of the plug board 301; the chamfer is set to the terminal surface lower part edges and corners before the grafting strip 503, through setting the terminal surface lower part edges and corners before the grafting strip 503 as the chamfer for hole saw 3 need not to carry out pulling operation with grafting strip 503 when installing to circular connecting plate 201 bottom, can make grafting strip 503 automatic backward movement under the effect of chamfer inclined plane, thereby has improved the convenience when hole saw 3 installs.

Specific use and action of the embodiment:

in the utility model, during installation, firstly, the lower end of a drill rod 1 is inserted into a hexagonal cylinder 202, then two insertion rods 403 are respectively inserted into two limiting insertion holes 102, so that a connector 2 is effectively fixed outside the lower end of the drill rod 1, then a hole saw 3 is installed on the bottom end surface of a circular connecting plate 201, when the hole saw 3 is installed, three limiting insertion posts 302 are inserted into three limiting holes 204, a insertion plate 301 penetrates through the circular connecting plate 201, and then after the top end surface of the installation hole saw 3 is contacted with the bottom end surface of the circular connecting plate 201, an insertion strip 503 is inserted into a rectangular insertion hole formed in the front end surface of the insertion plate 301, so that the hole saw 3 can be effectively fixed on the bottom end surface of the circular connecting plate 201;

when the hole saw 3 needs to be disassembled and replaced, the pulling rod 504 is pulled backwards only by manual operation, the pulling operation of the pulling rod 504 is facilitated by the arrangement of the -shaped auxiliary holding rod 505, and in the process of pulling the pulling rod 504 backwards, the sliding block 502 and the plug strip 503 are carried to move backwards, so that the front end of the plug strip 503 is separated from a rectangular socket formed in the front end face of the plug board 301, the hole saw 3 loses the limiting effect in the vertical direction, and then the hole saw 3 is disassembled and replaced downwards;

when the connector 2 needs to be detached from the outside of the lower end of the drill rod 1, the limiting plate 406 is pulled forward, then the limiting plate 406 is moved towards the tail end, the limiting plate 406 is clamped on one side of the limiting post 407, then the limiting plate 406 moves towards the tail end with the rectangular sliding block 402 and the inserting rod 403 in the process of moving towards the tail end, so that the inserting rod 403 is pulled out from the inside of the limiting inserting hole 102, the six-edged cylinder 202 loses the fixing effect outside the lower end of the drill rod 1, and then the connector 2 is detached.

Claims

1. A hole saw connector structure for facilitating disassembly and assembly, comprising: a drill rod (1); the connector (2) is arranged outside the lower end of the drill rod (1), and the lower end of the connector (2) is connected with the hole saw (3); two plugging mechanisms (4) are symmetrically arranged outside the upper end of the connector (2) in a left-right mode, and a limiting mechanism (5) is arranged on the right side of the connector (2); the outside fixedly connected with spacing plate (101) of drilling rod (1), and spacing spliced eye (102) have all been seted up to drilling rod (1) left and right sides face lower part.

2. A hole saw connector structure for facilitating removal and installation as defined in claim 1, wherein: the connector (2) comprises a circular connecting plate (201), a hexagonal cylinder (202), a drill bit (203) and a limiting hole (204), wherein the hexagonal cylinder (202) is welded in the middle of the upper end face of the circular connecting plate (201), and the inner shape of the hexagonal cylinder (202) is matched with the shape of the lower end of the drill rod (1); the middle part of the bottom end surface of the circular connecting plate (201) is fixedly connected with a drill bit (203), and three limiting holes (204) are formed in the upper end surface of the circular connecting plate (201) in an annular array shape.

3. A hole saw connector structure for facilitating removal and installation as defined in claim 1, wherein: three limit inserting columns (302) are fixedly connected to the upper end face of the hole saw (3) in an annular array shape, and inserting plates (301) are fixedly connected to the right side of the upper end face of the hole saw (3); a rectangular socket is formed in the front end face of the plug board (301).

4. A hole saw connector structure for facilitating removal and installation as defined in claim 2, wherein: the splicing mechanism (4) comprises a rectangular sliding cylinder (401), a rectangular sliding block (402), a splicing rod (403), a guide rod (404), a square column (405), a limiting plate (406) and a limiting column (407), wherein the rectangular sliding cylinder (401) is fixedly connected to the upper part of one side surface of the hexagonal cylinder (202), the rectangular sliding block (402) is connected inside the rectangular sliding cylinder (401) in a sliding manner, the head end of the rectangular sliding block (402) is provided with the splicing rod (403) penetrating through the head of the rectangular sliding cylinder (401), the tail end of the rectangular sliding block (402) is provided with the guide rod (404) penetrating through the tail of the rectangular sliding cylinder (401), and the outer part of the guide rod (404) is positioned inside the rectangular sliding cylinder (401) in a sleeved manner; the rectangular sliding block is characterized in that a square column (405) is fixedly connected to the front end face of the rectangular sliding block (402), a limiting plate (406) is connected to the outer portion of the square column (405) in a sliding mode, a limiting block is arranged at the front end of the square column (405), a spring is sleeved between the limiting plate (406) and the limiting block and is arranged outside the square column (405), and a limiting column (407) is arranged on the front end face of the rectangular sliding cylinder (401).

5. A hole saw connector structure for facilitating removal and installation as defined in claim 4, wherein: when the plugging mechanism (4) is in a limiting state, the plugging rod (403) is plugged with the limiting plugging hole (102).

6. A hole saw connector structure for facilitating removal and installation as defined in claim 1, wherein: the limiting mechanism (5) comprises a sliding frame (501), a sliding block (502), a plug strip (503), a pulling rod (504) and a -shaped auxiliary holding rod (505), wherein the sliding frame (501) is fixedly arranged on the right side of the upper end face of the circular connecting plate (201), and the sliding block (502) is connected to the inner side of the sliding frame (501) in a sliding manner; the front end of the sliding block (502) is provided with a plug strip (503) penetrating through the front side of the sliding frame (501), the tail end of the sliding block (502) is provided with a pulling rod (504) penetrating through the tail of the sliding frame (501), and the outside of the pulling rod (504) is positioned at the inner side of the sliding frame (501) and sleeved with a spring; a -shaped auxiliary holding rod (505) is arranged on the rear end face of the sliding frame (501).

7. A hole saw connector structure for facilitating removal and installation as defined in claim 6, wherein: when the limiting mechanism (5) is in a limiting state, the plug strip (503) is plugged with a rectangular socket formed in the front end face of the plug board (301).

8. A hole saw connector structure for facilitating removal and installation as defined in claim 6, wherein: the lower edge angle of the front end surface of the plug strip (503) is set as a chamfer angle.