CN210383080U

CN210383080U - Test tube brush with different brush heads convenient to replace

Info

Publication number: CN210383080U
Application number: CN201921144508.3U
Authority: CN
Inventors: 滕祥云; 廖敏
Original assignee: Nanchang Haoshi Medical Laboratory Co Ltd
Current assignee: Nanchang Haoshi Medical Laboratory Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-24
Anticipated expiration: 2029-07-20

Abstract

The utility model relates to a gene detection technical field specifically is a conveniently change test-tube brush of different brush heads, including the handle, the handle includes the shell, and the shell is hollow structure, and the bottom inner wall of shell is equipped with the motor, is equipped with the sleeve under the shell, and telescopic top inner wall is equipped with first spring, and the bottom of first spring is equipped with the push pedal, and a plurality of fixed orificess have evenly been seted up to telescopic cylinder side, the output shaft of motor pass the bottom inner wall of shell and with the central fixed connection at telescopic top. The utility model discloses a cooperation of sleeve and locking nut, when using, the user only needs to insert the fixed cylinder in the sleeve to upwards push up, when the bullet piece got into the fixed orifices, because the elasticity of giving the push pedal is applyed to first spring, the position of guaranteeing the locking nut is fixed, realizes the installation of brush head, simple structure, convenient to use.

Description

Test tube brush with different brush heads convenient to replace

Technical Field

The utility model relates to a gene detection technical field specifically is a conveniently change test-tube brush of different brush heads.

Background

The gene detection is a technology for detecting DNA molecules in cells of a detected person through a gene chip and analyzing the conditions of various pathogenic genes and disease genes contained in the detected person, wherein a test tube is required to be used for extracting the genes in the gene detection, the test tube must be regularly cleaned in order to ensure the reliability of the gene detection, the sanitation inside the test tube is ensured, and a test tube brush must be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently change test-tube brush of different brush heads to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a test tube brush convenient for replacing different brush heads comprises a handle, wherein the handle comprises a shell, the shell is of a hollow structure, a motor is arranged on the inner wall of the bottom of the shell, a sleeve is arranged right below the shell, a first spring is arranged on the inner wall of the top of the sleeve, a push plate is arranged at the bottom of the first spring, a plurality of fixing holes are uniformly formed in the cylindrical side surface of the sleeve, and an output shaft of the motor penetrates through the inner wall of the bottom of the shell and is fixedly connected with the center of the top of the sleeve; the below of shell is equipped with the locking cap, the locking cap includes a fixed section of thick bamboo, a fixed section of thick bamboo cup joints inside the sleeve and the cooperation of pegging graft between the two, be equipped with the limiting plate under the inner wall of a fixed section of thick bamboo top, the top of limiting plate evenly is equipped with a plurality of bullet pieces, just bullet piece runs through the cylinder inner wall of a fixed section of thick bamboo to extend to the outside of a fixed section of thick bamboo, be equipped with the fixed block in the middle of the limiting plate top is positive, be equipped with the second spring between bullet piece and the fixed.

Preferably, the inner wall of the bottom of the shell is welded and fixed with the motor.

Preferably, the top of the first spring is welded and fixed with the inner wall of the top of the sleeve, the bottom of the first spring is welded and fixed with the top of the push plate, and the push plate is in sliding fit with the sleeve.

Preferably, the number of the fixing holes is four, the number of the elastic blocks is four, an inclined plane is arranged at the top of each elastic block, and the elastic blocks are matched with the fixing holes in an inserting mode.

Preferably, the limiting plate and the fixed cylinder are of an integrated structure, the bottom of the fixed block is fixedly bonded with the top of the limiting plate through glue, one end of the second spring is fixedly welded with the fixed block, and the other end of the second spring is fixedly welded with the elastic block.

Preferably, the brush head is fixedly bonded with the inner wall of the fixed cylinder through glue.

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

1. the utility model discloses a cooperation of sleeve and locking nut, when using, the user only needs to insert the fixed cylinder in the sleeve to upwards push up, when the bullet piece got into the fixed orifices, because the elasticity of giving the push pedal is applyed to first spring, the position of guaranteeing the locking nut is fixed, realizes the installation of brush head, simple structure, convenient to use.

2. The utility model discloses when dismantling the brush head, only need upwards push up fixed cylinder, after the bullet piece breaks away from the fixed orifices, rotatory certain angle can take out the locking cap, realizes the dismantlement to the brush head, and convenient operation dismantles swiftly, has improved the availability factor greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the fixing cap of the present invention;

fig. 3 is a schematic cross-sectional view of the middle grip of the present invention.

In the figure: 1. handle, 11, shell, 110, motor, 12, sleeve, 120, fixed orifices, 121, first spring, 122, push pedal, 2, locking cap, 21, fixed section of thick bamboo, 22, limiting plate, 23, bullet piece, 24, fixed block, 25, second spring, 3, brush head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a test tube brush convenient for replacing different brush heads comprises a handle 1, wherein the handle 1 comprises a shell 11, the shell 11 is of a hollow structure, a motor 110 is arranged on the inner wall of the bottom of the shell 11, a sleeve 12 is arranged right below the shell 11, a first spring 121 is arranged on the inner wall of the top of the sleeve 12, a push plate 122 is arranged at the bottom of the first spring 121, a plurality of fixing holes 120 are uniformly formed in the side surface of a cylinder of the sleeve 12, and an output shaft of the motor 110 penetrates through the inner wall of the bottom of the shell 11 and is fixedly connected with the center of the top of the sleeve 12; the below of shell 11 is equipped with locking cap 2, and locking cap 2 includes a fixed section of thick bamboo 21, and a fixed section of thick bamboo 21 cup joints in sleeve 12 inside and grafting cooperation between the two, is equipped with limiting plate 22 under the inner wall of a fixed section of thick bamboo 21 top, and limiting plate 22's top evenly is equipped with a plurality of bullet pieces 23, and bullet piece 23 runs through the cylindrical inner wall of a fixed section of thick bamboo 21 to extend to the outside of a fixed section of thick bamboo 21, is equipped with fixed block 24 in the middle of limiting plate 22 top is positive, is equipped with second spring 25 between bullet piece 23 and the fixed.

In this embodiment, the inner wall of the bottom of the housing 11 is welded and fixed to the motor 110, so as to ensure the stability of the motor during operation.

In this embodiment, the top of the first spring 121 is welded and fixed to the inner wall of the top of the sleeve 12, the first spring 121 is fixed, the bottom of the first spring 121 is welded and fixed to the top of the push plate 122, and the push plate 122 is slidably fitted to the sleeve 12, so that when the fixing cylinder 21 is inserted into the sleeve 12, the push plate 122 slides upward along the inner wall of the sleeve 12.

In this embodiment, the quantity of fixed orifices 120 is four, the quantity of bullet piece 23 is four, when guaranteeing bullet piece 23 and insert fixed orifices 120, brush head 3 can the stable use, and the top of bullet piece 23 is equipped with the inclined plane, conveniently insert in the sleeve 12, and when pulling down fixation cap 2, upwards push away fixation cap 2, because the effect on inclined plane, bullet piece 23 inwards compresses, finally breaks away from fixed orifices 120, guarantee that fixation cap 2 can be taken out, bullet piece 23 and the cooperation of pegging graft of fixed orifices 120, fix fixation cap 2.

In this embodiment, limiting plate 22 and fixed section of thick bamboo 21 are integrated into one piece structure, improve its durability, and glue bonding is passed through with limiting plate 22 top in the bottom of the fixed block 24 fixed, fixed limiting plate 22's position, and second spring 25 one end and fixed block 24 welded fastening, second spring 25's the other end and play piece 23 welded fastening pass through second spring 25 elastic connection with fixed block 24 and play piece 23, realize fixed and the function of dismantling brush head 3.

In this embodiment, the brush head 3 is fixed to the inner wall of the fixed cylinder 21 by bonding with glue, thereby fixing the brush head 3.

It should be noted that, when the first spring 121 is in the natural extension state, the bottom of the push plate 122 is just in contact with the outside of the sleeve 12, and when the second spring 25 is in the natural extension state, the slope of the elastic block 23 is just completely outside the fixed cylinder 21.

When the test tube brush convenient for replacing different brush heads is used, the fixing cap 2 is inserted into the sleeve 12, the elastic block 23 is compressed into the fixing cylinder 21 under the action of the top inclined surface of the elastic block 23, when the elastic block 23 moves to the fixing hole 120, the elastic block 23 is ejected out under the action of the second spring 25 and inserted into the fixing hole 120, and meanwhile, under the action of the first spring 121, the push plate 122 pushes the fixing cap 2 downwards to further fix the position of the fixing cap 2, so that the brush head 3 is installed; when dismantling, upwards promote locking cap 2, play piece 23 is compressed into in the fixed section of thick bamboo 21, with the certain angle of locking cap 2 rotation, guarantee that play piece 23 and fixed orifices 120 do not lie in same vertical face, can pull out locking cap 2 downwards, realize the dismantlement of brush head 3, the device simple to use can install fast and dismantle brush head 3, has improved work efficiency.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a conveniently change test-tube brush of different brush heads, includes handle (1), handle (1) includes shell (11), just shell (11) are hollow structure, the bottom inner wall of shell (11) is equipped with motor (110), its characterized in that: a sleeve (12) is arranged under the shell (11), a first spring (121) is arranged on the inner wall of the top of the sleeve (12), a push plate (122) is arranged at the bottom of the first spring (121), a plurality of fixing holes (120) are uniformly formed in the side surface of a cylinder of the sleeve (12), and an output shaft of the motor (110) penetrates through the inner wall of the bottom of the shell (11) and is fixedly connected with the center of the top of the sleeve (12); the below of shell (11) is equipped with locking cap (2), locking cap (2) are including a fixed section of thick bamboo (21), a fixed section of thick bamboo (21) cup joint in sleeve (12) inside and grafting cooperation between the two, be equipped with limiting plate (22) under fixed section of thick bamboo (21) top inner wall, the top of limiting plate (22) evenly is equipped with a plurality of bullet pieces (23), just bullet piece (23) run through the cylinder inner wall of a fixed section of thick bamboo (21) to extend to the outside of a fixed section of thick bamboo (21), be equipped with fixed block (24) in the middle of limiting plate (22) top is positive, be equipped with second spring (25) between bullet piece (23) and fixed block (24).

2. The test tube brush convenient for replacing different brush heads according to claim 1, wherein: the inner wall of the bottom of the shell (11) is fixedly welded with the motor (110).

3. The test tube brush convenient for replacing different brush heads according to claim 1, wherein: the top of the first spring (121) is welded and fixed with the inner wall of the top of the sleeve (12), the bottom of the first spring (121) is welded and fixed with the top of the push plate (122), and the push plate (122) is in sliding fit with the sleeve (12).

4. The test tube brush convenient for replacing different brush heads according to claim 1, wherein: the quantity of fixed orifices (120) is four, the quantity of bullet piece (23) is four, just the top of bullet piece (23) is equipped with the inclined plane, bullet piece (23) and fixed orifices (120) cooperation of pegging graft.

5. The test tube brush convenient for replacing different brush heads according to claim 1, wherein: limiting plate (22) and fixed section of thick bamboo (21) are the integrated into one piece structure, glue bonding fixation is passed through with limiting plate (22) top to fixed block (24) bottom, second spring (25) one end and fixed block (24) welded fastening, the other end and the bullet piece (23) welded fastening of second spring (25).

6. The test tube brush convenient for replacing different brush heads according to claim 1, wherein: the brush head (3) is fixedly bonded with the inner wall of the fixed cylinder (21) through glue.