CN209464120U - A lifting type brain stereotaxic instrument - Google Patents

Abstract

The utility model discloses a lift-type brain stereotaxic instrument, which comprises a bottom plate, side plates are welded on both sides of the top of the bottom plate, the same base is installed on the side where the two side plates are close to each other, and the bottom of the base is fixedly installed. There are two connecting plates, and the side of the two side plates close to each other is respectively provided with a rotating groove and a rotating hole. The same rotating shaft is installed in the rotating groove and rotating hole, and the outer fixed sleeve of the rotating shaft is provided with two gears. The connecting plate A rack is installed on the side near the rotating shaft, and the gear and the rack are meshed. The top of the bottom plate is fixedly installed with a placement plate, and a mounting hole is opened on one side of the placement plate. A fixed column is fixedly installed in the mounting hole, and the outer side of the fixed column slides Set features two sliding panels. The utility model is simple in structure, economical and practical, and the base can be raised and lowered by simply turning the handle, and through the elastic force of the spring, the fixing plate is snapped into the fixing groove to fix the position of the base after it is lifted.

Description

A lifting type brain stereotaxic instrument

technical field

The utility model relates to the technical field of brain stereotaxic instruments, in particular to a lifting type cerebral stereotaxic instrument.

Background technique

The base of the stereotaxic instrument currently used in the experiment is fixed. When the spinal cord experiment is carried out with the existing stereotaxic instrument, the base is relatively low. It needs to be padded with other materials at different heights according to the different sizes of the experimental subjects. The spinal cord fixator is used for the experimental research of spinal cord positioning, so we propose a lift-type brain stereotaxic instrument to solve the above problems.

Utility model content

The purpose of this utility model is in order to solve the shortcoming that exists in the prior art, and propose a kind of lifting type brain stereotaxic instrument.

In order to achieve the above object, the utility model adopts the following technical solutions:

A lift type brain stereotaxic instrument, comprising a bottom plate, side plates are welded on both sides of the top of the bottom plate, the same base is installed on the side where the two side plates are close to each other, and two connecting plates are fixedly installed on the bottom of the base The sides of the two side plates that are close to each other are respectively provided with a rotating groove and a rotating hole. The same rotating shaft is installed in the rotating groove and rotating hole. The outer fixed sleeve of the rotating shaft is provided with two gears. The side of the connecting plate close to the rotating shaft A rack is installed, and the gear and the rack are meshed. The top of the bottom plate is fixedly installed with a placement plate, and one side of the placement plate is provided with a mounting hole. A fixed column is fixedly installed in the mounting hole, and the outer sliding sleeve of the fixed column is provided with two Sliding plate, the sides of the two sliding plates close to each other are welded with springs set outside the fixed column, the ends of the two springs close to each other are respectively welded to the two sides of the placement plate, and the top of the side of the two sliding plates away from each other Both are welded with fixing plates, and the sides of the two connecting plates close to each other are provided with a plurality of fixing grooves, and the fixing plates are snapped into the corresponding fixing grooves.

Preferably, a plurality of fixing grooves on the same connecting plate are arranged at equal intervals.

Preferably, a sealing ring is installed on the side wall of the fixing groove, and the fixing plate is slidably connected with the inner side of the corresponding sealing ring.

Preferably, both ends of the fixing column are welded with baffle plates, and the sides of the two sliding plates away from each other are respectively in contact with the sides of the two baffle plates close to each other.

Preferably, one end of the rotating shaft extends to the outside of the rotating hole and is welded with a handle, and an anti-slip thread is provided on the outside of the handle.

Preferably, both sides of the base are respectively slidably connected to the sides of the two side plates that are close to each other.

Preferably, a slider is installed on the outer side of the rotating shaft inside the rotating groove, and an annular sliding rail is provided on the inner wall of the rotating groove, and the sliding block is slidably connected to the annular sliding rail.

Preferably, the plurality of fixing grooves are all located below the gear.

Compared with the prior art, the beneficial effects of the utility model are:

Through the cooperation of the bottom plate, side plate, base, connecting plate, rotating groove, rotating hole, rotating shaft, gear, rack, placing plate, mounting hole, fixing column, sliding plate, spring, fixing plate and fixing groove, the experimental animal is put into place. On the top of the base, pull the sliding plate, turn the handle, the handle drives the rotating shaft to rotate, the gear on the rotating shaft meshes with the rack on the connecting plate, drives the connecting plate to move, and the connecting plate drives the base to move, which is convenient for adjusting the base At this time, the sliding plate is released, the spring drives the sliding plate to move due to its own elastic force, and the sliding plate drives the fixed plate to move, so that the fixed plate is snapped into the corresponding fixed groove, and the height of the base is adjusted. fixed.

The utility model is simple in structure, economical and practical, and the base can be raised and lowered by simply turning the handle, and through the elastic force of the spring, the fixing plate is snapped into the fixing groove to fix the position of the base after it is lifted.

Description of drawings

Fig. 1 is the structural representation of a kind of lifting type brain stereotaxic apparatus that the utility model proposes;

Fig. 2 is the structural schematic diagram of part A of a kind of lifting type brain stereotaxic instrument proposed by the utility model;

Fig. 3 is a structural schematic diagram of part B of a lift-type brain stereotaxic instrument proposed by the utility model.

In the figure: 1 base plate, 2 side plates, 3 base, 4 connecting plate, 5 rotating slot, 6 rotating hole, 7 rotating shaft, 8 gear, 9 rack, 10 placing plate, 11 mounting hole, 12 fixing column, 13 sliding plate , 14 springs, 15 fixed plates, 16 fixed slots.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a lift-type brain stereotaxic instrument includes a bottom plate 1, side plates 2 are welded on both sides of the top of the bottom plate 1, and the same base 3 is installed on the side where the two side plates 2 are close to each other. The bottom of 3 is fixedly installed with two connecting plates 4, and the sides of the two side plates 2 close to each other are respectively provided with a rotating groove 5 and a rotating hole 6, and the same rotating shaft 7 is installed in rotating groove 5 and rotating hole 6, and the rotating shaft The outer fixed sleeve of 7 is provided with two gears 8, a rack 9 is installed on the side of the connecting plate 4 close to the rotating shaft 7, the gear 8 is meshed with the rack 9, and the top of the bottom plate 1 is fixedly equipped with a placement plate 10, and the placement plate 10 There is a mounting hole 11 on one side of the mounting hole 11, and a fixed column 12 is fixedly installed in the mounting hole 11. Two sliding plates 13 are provided on the outer sliding sleeve of the fixed column 12, and the sides of the two sliding plates 13 that are close to each other are welded with sleeves. The spring 14 on the outside of the fixed column 12, the two ends of the two springs 14 that are close to each other are respectively welded to the two sides of the placement plate 10, the top of the side where the two sliding plates 13 are far away from each other is welded with a fixed plate 15, and the two connecting plates 4 A plurality of fixing grooves 16 are provided on the sides close to each other, and the fixing plates 15 are engaged with the corresponding fixing grooves 16, through the bottom plate 1, the side plate 2, the base 3, the connecting plate 4, the rotating groove 5, and the rotating hole 6 , rotating shaft 7, gear 8, rack 9, placement plate 10, mounting hole 11, fixed column 12, slide plate 13, spring 14, fixed plate 15 and fixed groove 16 cooperate, and experimental animal is placed on the top of base 3, Pull the sliding plate 13, turn the handle, the handle drives the rotating shaft 7 to rotate, the gear 8 on the rotating shaft 7 meshes with the rack 9 on the connecting plate 4, drives the connecting plate 4 to move, and the connecting plate 4 drives the base 3 to move , it is convenient to adjust the height of the base 3, and the operation is simple. At this time, the sliding plate 13 is released, the spring 14 drives the sliding plate 13 to move due to its own elastic force, and the sliding plate 13 drives the fixed plate 15 to move, so that the fixed plate 15 snaps into the corresponding In the fixing groove 16 of the base, the height adjustment of the base 3 is fixed. The utility model is simple in structure, economical and practical. The lifting of the base 3 can be realized by simply turning the handle, and the elastic force of the spring 14 can realize the fixing plate 15. Snap into the fixing groove 16 to fix the position of the base 3 after it is raised and lowered.

In the utility model, a plurality of fixing grooves 16 located on the same connecting plate 4 are arranged at equal intervals, and sealing rings are installed on the side walls of the fixing grooves 16, and the fixing plate 15 is slidingly connected with the inner side of the corresponding sealing rings, and fixed Both ends of the post 12 are welded with baffle plates, and the sides of the two sliding plates 13 that are far away from each other are in contact with the sides of the two baffle plates that are close to each other, and one end of the rotating shaft 7 extends to the outside of the rotating hole 6 and is welded with a rotating handle, and the outer side of the turning handle is provided with anti-slip threads, the two sides of the base 3 are slidingly connected with the sides of the two side plates 2 that are close to each other, the rotating shaft 7 is located on the outside of the turning groove 5, and a slider is installed on the outer side of the turning groove 5. The inner wall is provided with a ring-shaped slide rail, and the slider is slidingly connected with the ring-shaped slide rail. A plurality of fixed grooves 16 are located below the gear 8, through the bottom plate 1, the side plate 2, the base 3, the connecting plate 4, the rotation groove 5, the rotation Hole 6, rotating shaft 7, gear 8, rack 9, placement plate 10, installation hole 11, fixed post 12, slide plate 13, spring 14, fixed plate 15 and fixed slot 16 are matched, and the experimental animal is placed on the base 3. At the top, pull the sliding plate 13, turn the handle, the handle drives the rotating shaft 7 to rotate, the gear 8 on the rotating shaft 7 meshes with the rack 9 on the connecting plate 4, drives the connecting plate 4 to move, and the connecting plate 4 drives the base 3 To move, it is convenient to adjust the height of the base 3, and the operation is simple. At this time, the sliding plate 13 is released, and the spring 14 drives the sliding plate 13 to move due to its own elastic force, and the sliding plate 13 drives the fixed plate 15 to move, so that the fixed plate 15 snaps into the In the corresponding fixing groove 16, the height adjustment of the base 3 is fixed. The utility model is simple in structure, economical and practical. The lifting of the base 3 can be realized by simply turning the handle, and the fixing can be realized through the elastic force of the spring 14. The plate 15 snaps into the fixing groove 16 to fix the position of the base 3 after lifting.

Working principle: in use, put the experimental animal on the top of the base 3, pull the sliding plate 13, turn the handle, the handle drives the rotating shaft 7 to rotate, and the gear 8 on the rotating shaft 7 meshes with the rack 9 on the connecting plate 4 , drives the connecting plate 4 to move, and the connecting plate 4 drives the base 3 to move, so that the base 3 slides on the side plate 2, which is convenient for adjusting the height of the base 3, and the operation is simple. At this time, the sliding plate 13 is released, and the spring 14 is The elastic force drives the sliding plate 13 to move, and the sliding plate 13 slides on the fixed column 12, and the sliding plate 13 drives the fixed plate 15 to move, so that the fixed plate 15 snaps into the corresponding fixed groove 16. After adjusting the height of the base 3 fixed.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. a lifting type brain stereotaxic instrument, comprises base plate (1), it is characterized in that, the top both sides of described base plate (1) are all welded with side plate (2), two side plates (2) are close to each other The same base (3) is installed on one side, and two connecting plates (4) are fixedly installed on the bottom of the base (3), and the sides of the two side plates (2) close to each other are provided with rotating slots (5) and rotating slots respectively. The hole (6), the rotating groove (5) and the rotating hole (6) are installed with the same rotating shaft (7), and the outer fixed sleeve of the rotating shaft (7) is provided with two gears (8), and the connecting plate (4) is close to One side of rotating shaft (7) is equipped with tooth bar (9), and gear (8) is meshed with tooth bar (9), and the top of base plate (1) is fixedly installed with placement plate (10), and a part of placement plate (10) The side is provided with a mounting hole (11), and a fixed column (12) is fixedly installed in the mounting hole (11). The outer sliding sleeve of the fixed column (12) is provided with two sliding plates (13), and the two sliding plates (13) The side close to each other is all welded with the spring (14) that is sleeved on the outside of the fixed post (12), and one end of the two springs (14) close to each other is respectively welded to the both sides of the placement plate (10), and the two sliding plates ( 13) The tops of the sides far away from each other are welded with fixing plates (15), and the sides of the two connecting plates (4) close to each other are provided with a plurality of fixing grooves (16), and the fixing plates (15) and the corresponding fixing plates Groove (16) phase snap-fitting. 2. A lifting type stereotaxic instrument according to claim 1, characterized in that, a plurality of fixing grooves (16) on the same connecting plate (4) are arranged at equal intervals. 3. a kind of lifting type brain stereotaxic instrument according to claim 1, is characterized in that, sealing ring is installed on the sidewall of described fixed groove (16), and the fixed plate (15) and corresponding sealing ring Internal slide connection. 4. A kind of lifting type brain stereotaxic apparatus according to claim 1, is characterized in that, the two ends of described fixing post (12) are all welded with baffle plate, and the side of two slide plates (13) away from each other contact with the sides of the two baffles which are close to each other respectively. 5. A lifting type brain stereotaxic instrument according to claim 1, characterized in that, one end of the rotating shaft (7) extends to the outside of the turning hole (6) and is welded with a handle, and the outside of the handle Features non-slip threads. 6 . The lifting type stereotaxic apparatus according to claim 1 , characterized in that, the two sides of the base ( 3 ) are respectively slidably connected to the sides of the two side plates ( 2 ) that are close to each other. 7 . 7. A kind of lifting type brain stereotaxic apparatus according to claim 1, is characterized in that, described rotating shaft (7) is positioned at the outside of turning groove (5) inside and slide block is installed, on the inner wall of turning groove (5) An annular slide rail is provided, and the slide block is slidably connected with the annular slide rail. 8. A lifting type stereotaxic instrument according to claim 1, characterized in that, a plurality of fixing grooves (16) are all located below the gear (8).