CN117731417B - A drill support matched with a drill - Google Patents

Abstract

The invention provides a grinding drill support matched with a grinding drill, which relates to the technical field of animal brain experiments and comprises the following components: the guide mechanism comprises a connecting structure, and at least three guide structures are connected through the connecting structure; when the shape of the at least three guide structures is changed, the connecting structure keeps the guide structures connected; the mounting mechanism comprises a mounting structure and a limiting structure, when the mounting mechanism slides relative to the guide structures and is positioned in a gap between the two guide structures, the rail of the connecting structure is matched with the limiting structure, so that the mounting structure enters the next rail from the previous rail; the installation mechanism is connected with the grinding drill and the guiding mechanism, so that the grinding drill can move along the track, the problem that the hard membrane and brain tissues are easily damaged and the experimental accuracy is affected due to the fact that the depth of a cutting opening is difficult to control in the cutting process and shaking of hands of an experimenter is easy to occur due to the external influence is solved.

Description

A drill support matched with a drill

Technical Field

The invention relates to the technical field of animal brain experiments, in particular to a bur support matched with a bur.

Background technique

The medical research stage is an important stage that determines the quality of medical clinical practice, and brain function research is one of the important research directions in the medical research stage. In brain function research, rats and other animals are often used as experimental subjects. Especially in the field of neurobiological science research, it is often necessary to use a drill to open a hole in the animal's skull for subsequent experiments.

However, in current animal incision surgeries, the experimenter often uses a handheld drill to perform the operation. During the cutting process, it is difficult to control the depth of the cutting hole. Due to external influences, the experimenter's hands are prone to shaking, which can easily damage the dura mater and brain tissue, affecting the accuracy of the experiment.

Summary of the invention

The present invention provides a drill grinding support matched with a drill grinding device, which specifically comprises:

A burr is used for cutting the skull of an experimental animal; the burr comprises a fixing ring; a guide mechanism, which is composed of at least three guide structures arranged in a circle, and a slide rail is provided at the front end of the guide structure; the guide mechanism also comprises a connecting structure, and at least three guide structures are connected through the connecting structure; the connecting structure can be extended and retracted, and when the shape of at least three guide structures changes, the connecting structure maintains the connection between the guide structures; a track is provided at the front end of the connecting structure; a mounting mechanism, which comprises a mounting structure and a limiting structure, and the mounting structure is inserted into the inside of the slide rail of the guide structure through the slide rail, and the upper end of the mounting structure contacts the upper side of the slide rail of the guide structure; the limiting structure is located between the lower end of the mounting structure and the lower side of the slide rail of the guide structure, and when the mounting structure slides along the slide rail of the guide structure, the limiting structure rolls; when the mounting mechanism slides relative to the guide structure and is located in the gap between the two guide structures, the limiting structure is located above the track of the connecting structure, and the track of the connecting structure cooperates with the limiting structure, so that the mounting structure enters the track of the next guide structure from the track of the previous guide structure; the mounting mechanism is connected to the burr through the fixing ring, and the burr is connected to the mounting mechanism.

Optionally, the grinding drill further comprises a main body; a fixing ring is sleeved on the outer side of the main body; and a T-block is provided at the rear end of the fixing ring.

Optionally, it also includes a fixing part; the fixing part includes a fixing frame, a locking piece, a sliding piece and an extension piece; the lower end of the fixing frame is a U-shaped structure, and the upper end of the U-shaped structure is rotatably connected to two nuts; two transverse rods are arranged at the upper end of the fixing frame; two screws are arranged at the upper end of the locking piece, and the screws of the locking piece are inserted into the nuts of the U-shaped structure, and the locking piece can be moved up and down by rotating the nuts, and the fixing part is fixed on the table top by cooperating with the U-shaped structure of the fixing frame; two through holes are opened inside the sliding piece, and the sliding piece is installed on the outside of the transverse rod of the fixing frame through the through holes; there is sliding damping between the sliding piece and the transverse rod; a guide slider is arranged on the right side of the sliding piece; a slide groove is opened inside the extension piece, and the guide slider of the sliding piece is inserted into the slide groove of the extension piece; a longitudinal rod is arranged at the lower right end of the extension piece.

Optionally, a matching portion is also included; the matching portion includes a rotating part and a connecting plate; a sliding hole is opened inside the rotating part, and a longitudinal rod of the extension part is inserted into the sliding hole of the rotating part; there is sliding damping between the rotating part and the longitudinal rod of the extension part; a circumferential and spirally arranged mounting tube is arranged inside the rotating part.

Optionally, a mounting groove is provided at the front end of the connecting plate, and a guide column is fixedly connected to the rear end of the connecting plate; there are at least three connecting plates, and the specific number is the same as the number of guide structures; when the connecting plates are arranged circumferentially, their respective guide columns are arranged circumferentially and spirally; the guide columns of each connecting plate are respectively inserted into the inside of the mounting tube.

Optionally, the guiding mechanism is a guiding part, including a guiding member and a connecting member; the guiding structure is a guiding member, and the connecting structure is a connecting member; the guiding member is fixedly connected to the inside of the mounting groove of the connecting plate, and a slide rail is provided at the front end of the guiding member.

Optionally, the connecting member is connected between the two guiding members, and the connecting member is an elastic structure, and an elastic slide rail is provided at the front end of the connecting member.

Optionally, the mounting mechanism is a mounting part, which includes a mounting piece and a ball; the mounting structure is a mounting piece, and the limiting structure is a ball; a slider is provided at the rear end of the mounting piece, and the slider of the mounting piece is inserted into the slide rail of the guide piece; a ball is inserted between the lower end of the slider of the mounting piece and the lower side of the slide rail of the guide piece; the slider of the mounting piece is made of elastic material, and a T-slot is provided at the front end of the mounting piece.

Optionally, when the mounting part slides relative to the guiding part and is located in the gap between the two guiding members, the ball is located above the track of the connecting member, and the ball is supported by the track of the connecting member to maintain the position of the mounting member, so that the mounting member enters the track of the next guide member from the track of the previous guide member.

Optionally, the T-block of the fixing ring is inserted into the T-slot of the mounting member.

Beneficial Effects

In the present invention, when cutting animal skulls, irregular-shaped bone pieces are often cut. The position of the guide member can be adjusted through the connecting plate. Before cutting, the track formed by the guide member and the slide rail of the connecting member can be pre-adjusted to a proportional track of the irregular shape to be cut. When cutting, the grinding drill can be directly installed on the preset track to cut the skull, and the fixing part can be used to fix the whole.

Through the above structure, the stability of the grinding drill during operation can be effectively maintained, the influence of the experimenter on the grinding drill can be greatly reduced, the damage to the dura mater and brain tissue can be avoided, and the accuracy of the experiment can be guaranteed.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

In the attached picture:

FIG1 is a schematic diagram showing the overall three-dimensional structure of a drill grinding support according to an embodiment of the present invention.

FIG. 2 shows an overall exploded view of a drill bit support according to an embodiment of the present invention.

FIG3 is a schematic diagram showing the three-dimensional structure of a drill bit of a drill bit support according to an embodiment of the present invention.

FIG. 4 is a partial enlarged schematic diagram of the portion A shown in FIG. 3 of the drill bit support according to an embodiment of the present invention.

FIG. 5 is a schematic diagram showing the three-dimensional structure of the fixing portion of the drill bit support according to an embodiment of the present invention.

FIG. 6 is a partial enlarged schematic diagram of a portion B shown in FIG. 5 of a drill bit support according to an embodiment of the present invention.

FIG. 7 is a partial enlarged schematic diagram of a portion C shown in FIG. 5 of a drill bit support according to an embodiment of the present invention.

FIG. 8 is a schematic diagram showing the three-dimensional structure of the matching portion of the drill grinding bracket according to an embodiment of the present invention.

FIG. 9 shows a schematic diagram of the three-dimensional structure of the guide portion of the drill bit holder according to an embodiment of the present invention.

FIG. 10 is a schematic three-dimensional cross-sectional view of a mounting portion of a drill bit support according to an embodiment of the present invention.

FIG. 11 is a partial enlarged schematic diagram of a portion D shown in FIG. 10 of a drill bit support according to an embodiment of the present invention.

List of main reference symbols

1. grinding drill; 101. main body; 102. fixing ring;

2. Fixing part; 201. Fixing frame; 202. Locking member; 203. Sliding member; 204. Extension member;

3. Matching part; 301. Rotating member; 302. Mounting tube; 303. Connecting plate;

4. guide portion; 401. guide member; 402. connecting member;

5. Mounting portion; 501. Mounting piece; 502. Ball bearing.

Detailed ways

In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

Embodiment: Please refer to Figures 1 to 11:

As shown in FIG. 1 and FIG. 2 , the present invention provides a drill grinding support for use with a drill grinding device, comprising:

A drill 1 is used for cutting the skull of an experimental animal; the drill 1 includes a fixing ring 102; a guiding mechanism, which is composed of at least three guiding structures arranged in a circle, and a slide rail is provided at the front end of the guiding structure; the guiding mechanism also includes a connecting structure, and at least three guiding structures are connected through the connecting structure; the connecting structure can be extended and retracted, and when the shape of at least three guiding structures changes, the connecting structure maintains the connection between the guiding structures; a track is provided at the front end of the connecting structure; the mounting mechanism includes a mounting structure and a limiting structure, the mounting structure is inserted into the inside of the slide rail of the guiding structure through the slide rail, and the upper end of the mounting structure contacts the upper side of the slide rail of the guiding structure; the limiting structure is located between the lower end of the mounting structure and the lower side of the slide rail of the guiding structure, and when the mounting structure slides along the slide rail of the guiding structure, the limiting structure rolls; when the mounting mechanism slides relative to the guiding structure and is located in the gap between the two guiding structures, the limiting structure is located above the track of the connecting structure, and the track of the connecting structure cooperates with the limiting structure to make the mounting structure enter the track of the next guiding structure from the track of the previous guiding structure;

The mounting mechanism is connected to the drill bit 1 through the fixing ring 102, and the mounting mechanism connects the drill bit 1 and the guiding mechanism.

As shown in FIG. 3 and FIG. 4 , the grinding drill 1 further includes a main body 101 ; a fixing ring 102 is sleeved on the outer side of the main body 101 ;

A T-block is provided at the rear end of the fixing ring 102 ; the main body 101 is used to cut the skull of the animal and is connected to the mounting mechanism through the fixing ring 102 .

As shown in FIG. 5 and FIG. 6 , a fixing part 2 is also included; the fixing part 2 includes a fixing frame 201, a locking member 202, a sliding member 203 and an extension member 204; the lower end of the fixing frame 201 is a U-shaped structure, and the upper end of the U-shaped structure is rotatably connected to two nuts; two transverse rods are arranged at the upper end of the fixing frame 201; other parts are installed through the fixing frame 201;

Two screws are arranged on the upper end of the locking member 202, and the screws of the locking member 202 are inserted into the nut of the U-shaped structure. By rotating the nut, the locking member 202 can move up and down, and cooperate with the U-shaped structure of the fixing frame 201 to fix the fixing part 2 on the table. The fixing frame 201 is fixed by the locking member 202 to ensure the stability of the installation of the fixing part 2, and at the same time, the grinding drill 1 can be kept stable during operation.

The sliding member 203 has two through holes formed inside, and the sliding member 203 is installed on the outside of the transverse rod of the fixing frame 201 through the through holes; there is a sliding damping between the sliding member 203 and the transverse rod; a guide slider is provided on the right side of the sliding member 203; the grinding drill 1 can be adjusted greatly in the front-rear direction through the sliding member 203;

A slide groove is provided inside the extension piece 204, and the guide slider of the sliding piece 203 is inserted into the slide groove of the extension piece 204; a longitudinal rod is provided at the lower right end of the extension piece 204; the matching part 3 is installed through the longitudinal rod, and the matching part 3 can be greatly adjusted in the up and down directions along the longitudinal rod, thereby adjusting the position of the drill 1.

As shown in FIG. 5 and FIG. 7 , a matching portion 3 is also included; the matching portion 3 includes a rotating member 301 and a connecting plate 303; a sliding hole is provided inside the rotating member 301, and a longitudinal rod of the extension member 204 is inserted into the sliding hole of the rotating member 301; there is sliding damping between the rotating member 301 and the longitudinal rod of the extension member 204;

The interior of the rotating member 301 is provided with a circumferential and spirally arranged mounting tube 302; the connecting plate 303 can be arranged along the circumference of the rotating member 301 through the rotating member 301 and while reducing the overall volume of the rotating member 301, the telescopic travel distance of the connecting plate 303 will not be shortened.

As shown in Figure 7, a mounting groove is provided at the front end of the connecting plate 303, and a guide column is fixedly connected to the rear end of the connecting plate 303; there are at least three connecting plates 303, and the specific number is the same as the number of the guide structure; when the connecting plates 303 are arranged circumferentially, their respective guide columns are arranged circumferentially and spirally; the guide columns of each connecting plate 303 are respectively inserted into the inside of the mounting tube 302; the guiding mechanism is installed through the connecting plate 303.

As shown in the figure, the guiding mechanism is a guiding part 4, which includes a guiding member 401 and a connecting member 402; the guiding structure is the guiding member 401, and the connecting structure is the connecting member 402;

The guide member 401 is fixedly connected inside the mounting groove of the connecting plate 303 , and a slide rail is provided at the front end of the guide member 401 .

As shown in Figures 8 and 9, the connecting member 402 is connected between the two guide members 401, and the connecting member 402 is an elastic structure, and an elastic slide rail is provided at the front end of the connecting member 402; when cutting an animal skull, irregular-shaped bone pieces are often cut, and the position of the guide member 401 can be adjusted by the connecting plate 303. Before cutting, the track formed by the guide member 401 and the slide rail of the connecting member 402 can be pre-adjusted to a proportional track of the irregular shape that needs to be cut. When cutting, the bur 1 can be directly installed on the preset track to cut the skull, and at the same time, the fixing part 2 is used to fix the whole, so as to maintain the stability of the bur 1 during operation, greatly reduce the influence of the experimenter on the bur 1, avoid damage to the dura mater and brain tissue, and ensure the accuracy of the experiment.

As shown in FIG8 and FIG10 , the mounting mechanism is a mounting portion 5, and the mounting portion 5 includes a mounting member 501 and a ball 502; the mounting structure is the mounting member 501, and the limiting structure is the ball 502;

A slider is set at the rear end of the mounting member 501, and the slider of the mounting member 501 is inserted into the slide rail of the guiding member 401; a ball 502 is inserted between the lower end of the slider of the mounting member 501 and the lower side of the slide rail of the guiding member 401; the slider of the mounting member 501 is made of elastic material, and a T-slot is set at the front end of the mounting member 501.

As shown in FIGS. 10 and 11 , when the mounting portion 5 slides relative to the guide portion 4 and is located in the gap between the two guide members 401 , the ball 502 is located above the track of the connecting member 402 , and the ball 502 is supported by the track of the connecting member 402 , so as to keep the position limit of the mounting member 501 , so that the mounting member 501 enters the track of the next guide member 401 from the track of the previous guide member 401 ; when adjusting the overall running track of the grinding drill 1 , the guide member 401 cooperates with the connecting member 402 to produce a change in the overall track path, and at this time, the mounting member 501 needs to be able to enter the next guide member 401 from the previous guide member 401 , and in this process, the connecting member 402 supports the ball 502 and guides the rolling direction of the ball 502 , and at the same time, the ball 502 supports the mounting member 501 , and under the guidance of the connecting member 402 , the slider of the mounting member 501 protruding out of the previous guide member 401 can move to the slide rail of the next guide member 401 , so that the mounting portion 5 can stably move along the track formed by the guide portion 4 .

As shown in FIG. 3 and FIG. 10 , the T-shaped block of the fixing ring 102 is inserted into the T-shaped slot of the mounting member 501 ; the fixing ring 102 connects the mounting member 501 and the main body 101 .

Specific usage and function of this embodiment: In the present invention, when cutting animal skulls, irregular-shaped bone pieces are often cut. The position of the guide 401 can be adjusted by the connecting plate 303. Before cutting, the track formed by the slide rails of the guide 401 and the connecting member 402 can be pre-adjusted to a proportional track of the irregular shape that needs to be cut. When cutting, the bur 1 can be directly installed on the preset track to cut the skull, and at the same time, the fixing part 2 is used to fix the whole to maintain the stability of the bur 1 during operation.

The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims (6)

1. A drill grinder support for use with a drill grinder, characterized in that it comprises: A burr (1) for cutting the skull of an experimental animal; the burr (1) comprises a fixing ring (102); The guide mechanism is composed of at least three guide structures arranged in a circle, and a slide rail is provided at the front end of the guide structure; the guide mechanism also includes a connecting structure, and at least three guide structures are connected by the connecting structure; the connecting structure can be extended and retracted, and when the shape of at least three guide structures changes, the connecting structure maintains the connection between the guide structures; the front end of the connecting structure is provided with a track; The mounting mechanism comprises a mounting structure and a limiting structure, wherein the mounting structure is inserted into the inside of the slide rail of the guide structure through the slide rail, and the upper end of the mounting structure contacts the upper side of the slide rail of the guide structure; the limiting structure is located between the lower end of the mounting structure and the lower side of the slide rail of the guide structure, and when the mounting structure slides along the slide rail of the guide structure, the limiting structure rolls; when the mounting mechanism slides relative to the guide structure and is located in the gap between the two guide structures, the limiting structure is located above the track of the connecting structure, and the track of the connecting structure cooperates with the limiting structure to enable the mounting structure to enter the track of the next guide structure from the track of the previous guide structure; The mounting mechanism is connected to the drill bit (1) via a fixing ring (102), and the mounting mechanism connects the drill bit (1) and the guide mechanism; A matching portion (3); the matching portion (3) comprises a connecting plate (303); a mounting groove is formed at the front end of the connecting plate (303), and a guide column is fixedly connected to the rear end of the connecting plate (303); there are at least three connecting plates (303), and the specific number is the same as the number of the guide structures; when the connecting plates (303) are arranged circumferentially, the guide columns are arranged circumferentially and in a spiral shape; the guide columns of the connecting plates (303) are respectively inserted into the interior of the mounting tube (302); The guiding mechanism is a guiding part (4), comprising a guiding member (401) and a connecting member (402); the guiding structure is the guiding member (401), and the connecting structure is the connecting member (402); the guiding member (401) is fixedly connected to the inside of the mounting groove of the connecting plate (303), and a slide rail is provided at the front end of the guiding member (401); the connecting member (402) is connected between two guiding members (401), and the connecting member (402) is an elastic structure, and an elastic slide rail is provided at the front end of the connecting member (402); The mounting mechanism is a mounting part (5), and the mounting part (5) comprises a mounting piece (501) and a ball bearing (502); the mounting structure is the mounting piece (501), and the limiting structure is the ball bearing (502); a slider is arranged at the rear end of the mounting piece (501), and the slider of the mounting piece (501) is inserted into the inside of the slide rail of the guide piece (401); the ball bearing (502) is inserted between the lower end of the slider of the mounting piece (501) and the lower side of the slide rail of the guide piece (401); the slider of the mounting piece (501) is made of elastic material, and a T-shaped slot is arranged at the front end of the mounting piece (501). 2. A drill grinder support for use with a drill grinder according to claim 1, characterized in that the drill grinder (1) further comprises a main body (101); a fixing ring (102) is sleeved on the outer side of the main body (101); A T-shaped block is provided at the rear end of the fixing ring (102). 3. A drill grinder support for use with a drill grinder according to claim 1, characterized in that it further comprises a fixing portion (2); the fixing portion (2) comprises a fixing frame (201), a locking member (202), a sliding member (203) and an extension member (204); the lower end of the fixing frame (201) is a U-shaped structure, and the upper end of the U-shaped structure is rotatably connected to two nuts; the upper end of the fixing frame (201) is provided with two transverse rods; Two screws are provided at the upper end of the locking member (202), and the screws of the locking member (202) are inserted into the nut of the U-shaped structure. By rotating the nut, the locking member (202) can move up and down, and cooperate with the U-shaped structure of the fixing frame (201) to fix the fixing part (2) on the table top; Two through holes are provided inside the sliding member (203), and the sliding member (203) is mounted on the outside of the transverse rod of the fixing frame (201) through the through holes; there is sliding damping between the sliding member (203) and the transverse rod; a guide sliding block is provided on the right side of the sliding member (203); A slide groove is provided inside the extension piece (204), and a guide slider of the sliding piece (203) is inserted into the slide groove of the extension piece (204); a longitudinal rod is provided at the lower right end of the extension piece (204). 4. A drill grinder support matched with a drill grinder according to claim 3, characterized in that the matching portion (3) further comprises a rotating member (301); a sliding hole is provided inside the rotating member (301), and a longitudinal rod of the extension member (204) is inserted into the sliding hole of the rotating member (301); and there is sliding damping between the rotating member (301) and the longitudinal rod of the extension member (204); The rotating member (301) is provided with mounting tubes (302) arranged circumferentially and spirally inside. 5. A drill grinder bracket for use with a drill grinder according to claim 1, characterized in that when the mounting portion (5) slides relative to the guide portion (4) and is located in the gap between the two guide members (401), the ball (502) is located above the track of the connecting member (402), and the ball (502) is supported by the track of the connecting member (402), so as to keep the mounting member (501) limited, so that the mounting member (501) enters the track of the next guide member (401) from the track of the previous guide member (401). 6. A drill grinder support matched with a drill grinder according to claim 1, characterized in that the T-block of the fixing ring (102) is inserted into the T-slot of the mounting member (501).