CN210546891U

CN210546891U - Flexible adjusting device and test tube cleaning device

Info

Publication number: CN210546891U
Application number: CN201921008806.XU
Authority: CN
Inventors: 江飞; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-05-19
Anticipated expiration: 2029-07-01

Abstract

The utility model provides a flexible adjusting device and test tube cleaning device. This flexible adjusting device belongs to laboratory paraphernalia technical field, including wasing the cylinder and being located the inside limiting plate of wasing the cylinder, the limiting plate is the rectangular plate, and four sides of limiting plate all inwards cave in and be ARC structure, and four cambered surface departments all are provided with the contact base that suits with the cambered surface. The utility model discloses a rotatory knob, the knob drives the bull stick and rotates to make the limiting plate rotate inside the washing cylinder, the contact base moves to washing cylinder lateral wall department under the effect of limiting plate side cambered surface structure, the telescopic link stretches out outwards, jack-up the regulating plate, thereby enlarge the washing diameter of regulating plate, adapt to the test tube cleaning operation of different sizes, strengthened the practicality of device; at rotatory knob, when expanding the regulating plate and wasing the diameter, the bull stick drives the ratchet rotatory, carries out the locking through the pawl to the bull stick, makes the regulating plate can maintain under great diameter state to accomplish the cleaning work of test tube smoothly.

Description

Flexible adjusting device and test tube cleaning device

Technical Field

The utility model relates to a laboratory paraphernalia specifically is a flexible adjusting device and test tube cleaning device.

Background

The glass instrument is a glass product used for experiments, metering, observation and inspection in the fields of life, production, science and technology and the like, is common in laboratories, has large use amount, is made by utilizing the excellent performance of glass, and is widely applied to various laboratories, such as chemical laboratories, medical inspection laboratories, biological laboratories, scientific research laboratories and teaching laboratories. Clean glassware is a prerequisite for correct results of the experiment, and therefore, the cleaning of glassware is an important preparation before the experiment, and the cleaning method varies according to the purpose of the experiment, the type of ware, the articles contained therein, the type of detergent, the degree of contamination, and the like.

The existing cleaning equipment for the glass instrument in the test tube has single function, cannot simultaneously deal with the cleaning operation of test tubes with different sizes, and leads to poor practicability of the cleaning equipment.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the to-be-solved technical problem of the utility model is to provide a flexible adjusting device and test tube cleaning device.

In order to solve the technical problem, the utility model provides a following technical scheme:

a telescopic adjusting device comprises a cleaning column body and a limiting plate positioned inside the cleaning column body; the limiting plate is a rectangular plate, four side edges of the limiting plate are all inwards sunken to form an arc surface structure, and contact bases matched with the arc surfaces are arranged at the four arc surfaces; one side of the contact base, which is far away from the limiting plate, is fixedly connected with a telescopic shaft; one end of the telescopic shaft, which is far away from the contact base, extends out of the cleaning column body and is fixedly connected with the adjusting plate; and the middle part of one side of the limiting plate is fixedly connected with a rotating rod.

As a further improvement of the utility model: the adjusting plate is of an arc structure matched with the outer surface of the cleaning cylinder, and a sponge layer is attached to the outer side of the adjusting plate.

As a further improvement of the utility model: a spring surrounding the telescopic shaft is further arranged between the contact base and the cleaning cylinder.

As a further improvement of the utility model: and one side of the rotating rod, which is far away from the limiting plate, is fixedly connected with a knob.

A test tube cleaning device comprises the telescopic adjusting device and a locking cylinder positioned on the right side of a cleaning cylinder; the locking column body and the cleaning column body have the same diameter, and a locking mechanism is arranged in the locking column body; the locking mechanism comprises a ratchet wheel fixed on the rotating rod, and the right end of the rotating rod penetrates through the locking column body and extends out of the locking column body; the inner wall of the locking cylinder above the ratchet wheel is fixedly connected with a fixing plate; one side of the fixed plate is rotatably connected with a pawl; the other end of the pawl is inserted between the ratchet teeth to form locking connection with the ratchet.

As a further improvement of the present invention: the pawl is also rotatably connected with a pull rod through a pin shaft; the upper end of the pull rod penetrates through the side wall of the locking column body and is fixedly connected with the grabbing block.

As a further improvement of the present invention: the grabbing block is embedded in the outer wall of the locking column body.

As a further improvement of the present invention: and bearings are arranged at the joints of the rotating rod, the cleaning cylinder and the locking cylinder.

As a further improvement of the present invention: four connecting rods are fixedly connected to the right side of the locking cylinder body, one end, away from the locking cylinder body, of each connecting rod is connected to the circular plate after inclining towards the center of the locking cylinder body, the right side of the circular plate is fixedly connected with the rotating shaft, and the right end of the rotating shaft is connected to the motor through the coupler.

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

the utility model discloses a rotatory knob, the knob drives the bull stick and rotates to make the limiting plate rotate inside the washing cylinder, the contact base moves to washing cylinder lateral wall department under the effect of limiting plate side cambered surface structure, the telescopic link stretches out outwards, jack-up the regulating plate, thereby enlarge the washing diameter of regulating plate, adapt to the test tube cleaning operation of different sizes, strengthened the practicality of device; at rotatory knob, when expanding the regulating plate and wasing the diameter, the bull stick drives the ratchet rotatory, carries out the locking through the pawl to the bull stick, makes the regulating plate can maintain under great diameter state to accomplish the cleaning work of test tube smoothly.

Drawings

FIG. 1 is a schematic view of a test tube washing apparatus;

FIG. 2 is a schematic view of a telescopic adjustment device;

FIG. 3 is a schematic structural view of a ratchet locking mechanism in the cuvette washing device;

FIG. 4 is a left side view schematically showing a circular plate of the tube washing apparatus;

in the figure: the device comprises a cleaning cylinder 1, a limiting plate 2, a rotating rod 3, a bearing 4, a locking cylinder 5, a locking mechanism 6, a knob 7, a connecting rod 8, a circular plate 9, a rotating shaft 10, a coupler 11, a motor 12, an adjusting plate 13, a sponge layer 14, a telescopic shaft 15, a spring 16, a contact base 17, a ratchet wheel 18, a fixing plate 19, a pawl 20, a grabbing block 21, a pull rod 22 and a pin shaft 23.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, the present embodiment provides a telescopic adjustment apparatus, which includes a cleaning column 1 and a limiting plate 2 located inside the cleaning column 1; the limiting plate 2 is a rectangular plate, four side edges of the limiting plate 2 are all sunken inwards to form an arc surface structure, and contact bases 17 matched with the arc surfaces are arranged at the four arc surfaces; one side of the contact base 17, which is far away from the limiting plate 2, is fixedly connected with a telescopic shaft 15; one end of the telescopic shaft 15, which is far away from the contact base 17, extends out of the cleaning column body 1 and is fixedly connected with the adjusting plate 13; the adjusting plate 13 is of an arc-shaped structure matched with the outer surface of the cleaning column body 1, and a sponge layer 14 is attached to the outer side of the adjusting plate 13; a spring 16 surrounding the telescopic shaft 15 is also arranged between the contact base 17 and the cleaning cylinder 1;

the middle part of one side of the limiting plate 2 is fixedly connected with a rotating rod 3; a knob 7 is fixedly connected to one side of the rotating rod 3, which is far away from the limiting plate 2; by rotating the knob 7, the knob 7 drives the rotating rod 3 to rotate, so that the limiting plate rotates in the cleaning column body 1, the contact base 17 moves towards the side wall of the cleaning column body 1 under the action of the cambered surface structure on the lateral side of the limiting plate 2, the telescopic rod 15 extends outwards to jack the adjusting plate 13, the cleaning diameter of the adjusting plate 13 is enlarged, and the cleaning operation of test tubes with different sizes is adapted;

example 2

Referring to fig. 1, 3 and 4, a tube washing device includes the above-mentioned telescopic adjusting device, and further includes a locking column 5 located at the right side of the washing column 1; the locking column body 5 and the cleaning column body 1 have the same diameter, and a locking mechanism 6 is arranged inside the locking column body 5; the locking mechanism 6 comprises a ratchet wheel 18 fixed on the rotating rod 3; the inner wall of the locking column 5 above the ratchet wheel 18 is fixedly connected with a fixing plate 19; one side of the fixed plate 19 is rotatably connected with a pawl 20; the other end of the pawl 20 is inserted between the ratchet teeth to form locking connection with the ratchet 18, and the pawl 20 is also rotatably connected with a pull rod 22 through a pin shaft 23; the upper end of the pull rod 22 penetrates through the side wall of the locking column 5 and is fixedly connected with the grabbing block 21; the grabbing block 21 is embedded in the outer wall of the locking column body 5; when the knob 7 is rotated to enlarge the cleaning diameter of the adjusting plate 13, the rotating rod 3 drives the ratchet wheel 18 to rotate, the rotating rod 3 is locked by the pawl 20, the adjusting plate 13 can be maintained in a large-diameter state, the cleaning work of a test tube is smoothly completed, after the cleaning is completed, the grabbing block 21 is pulled up, the pawl 20 is taken up by the pull rod 22, the pawl 20 is separated from the ratchet wheel teeth, the locking state of the ratchet wheel 18 is relieved, under the resilience action of the spring 16, the contact base 17 automatically slides to the center of the side arc surface of the limiting plate 2, the telescopic shaft 15 drives the adjusting plate 13 to be recovered, and the adjusting plate 13 is attached to the outer wall of the cleaning cylinder 1;

the right end of the rotating rod 3 penetrates through the locking cylinder 5 and extends out of the locking cylinder 5, and a bearing 4 is arranged at the joint of the rotating rod 3, the cleaning cylinder 1 and the locking cylinder 5; the right side of the locking column 5 is fixedly connected with four connecting rods 8; one end of the connecting rod 8, which is far away from the locking column 5, is connected to a circular plate 9 after being inclined towards the center of the locking column 5; the right side of the circular plate 9 is fixedly connected with a rotating shaft 10; the right end of the rotating shaft 10 is connected to a motor 12 through a coupler 11; the motor 12 is started, and the motor 12 drives the circular plate 9 and the four connecting rods 8 to rotate, so that the locking cylinder 5 and the cleaning cylinder 1 rotate to clean the inner wall of the test tube.

The utility model discloses a theory of operation is: starting the motor 12, wherein the motor 12 drives the circular plate 9 and the four connecting rods 8 to rotate, so that the locking cylinder 5 and the cleaning cylinder 1 rotate; the knob 7 is rotated, the knob 7 drives the rotating rod 3 to rotate, so that the limiting plate rotates in the cleaning column body 1, the contact base 17 moves towards the side wall of the cleaning column body 1 under the action of the cambered surface structure on the side of the limiting plate 2, the telescopic rod 15 extends outwards to jack the adjusting plate 13, the cleaning diameter of the adjusting plate 13 is enlarged, and the test tube cleaning operation with different sizes is adapted; at rotatory knob 7, enlarge regulating plate 13 and wash the diameter when, bull stick 3 drives ratchet 18 rotatory, carry out the locking to bull stick 3 through pawl 20, make regulating plate 13 can maintain under great diameter state, accomplish the cleaning work of test tube smoothly, after finishing washing, will grab piece 21 and pull up, take pawl 20 through pull rod 22, make pawl 20 break away from the ratchet tooth, thereby relieve ratchet 18's locking state, under spring 16's rebound effect, the automatic landing of contact base 17 is to the center department of limiting plate 2 side cambered surface, telescopic shaft 15 drives regulating plate 13 and retrieves, make regulating plate 13 attached at washing cylinder 1 outer wall.

The utility model discloses a rotatory knob 7, knob 7 drive bull stick 3 and rotate to make the limiting plate rotate inside washing cylinder 1, contact base 17 moves to washing cylinder 1 lateral wall department under the effect of limiting plate 2 side cambered surface structure, telescopic link 15 stretches out outwards, jack-up regulating plate 13, thereby enlarge the washing diameter of regulating plate 13, adapt to the test tube cleaning operation of different sizes, strengthened the practicality of device; at the rotatory knob 7, enlarge regulating plate 13 and wash the diameter while, bull stick 3 drives the ratchet 18 rotatory, carries out the locking through pawl 20 to bull stick 3, makes regulating plate 13 can maintain under the great diameter state to accomplish the cleaning work of test tube smoothly.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A telescopic adjusting device is characterized by comprising a cleaning column body (1) and a limiting plate (2) positioned inside the cleaning column body (1); the limiting plate (2) is a rectangular plate, four side edges of the limiting plate (2) are inwards sunken to form an arc surface structure, and contact bases (17) matched with the arc surfaces are arranged at the four arc surfaces; one side of the contact base (17) far away from the limiting plate (2) is fixedly connected with a telescopic shaft (15); one end of the telescopic shaft (15) far away from the contact base (17) extends out of the cleaning column body (1) and is fixedly connected with the adjusting plate (13); the middle part of one side of the limiting plate (2) is fixedly connected with a rotating rod (3).

2. A telescopic adjustment device according to claim 1, characterized in that the adjustment plate (13) is of an arc-shaped configuration adapted to the outer surface of the cleaning column (1), and a sponge layer (14) is attached to the outer side of the adjustment plate (13).

3. A telescopic adjustment device according to claim 2, characterized in that a spring (16) is arranged around the telescopic shaft (15) between the contact base (17) and the washing cylinder (1).

4. A telescopic adjustment device according to claim 3, characterized in that the side of the rotating rod (3) far from the limit plate (2) is fixedly connected with a knob (7).

5. Test tube washing device, characterized in that it comprises a telescopic adjustment device according to any one of claims 1 to 4, and also comprises a locking cylinder (5) located on the right of the washing cylinder (1); the diameter of the locking column body (5) is the same as that of the cleaning column body (1), and a locking mechanism (6) is arranged in the locking column body (5); the locking mechanism (6) comprises a ratchet wheel (18) fixed on the rotating rod (3), and the right end of the rotating rod (3) penetrates through the locking column body (5) and extends out of the locking column body (5); the inner wall of the locking cylinder (5) above the ratchet wheel (18) is fixedly connected with a fixing plate (19); one side of the fixed plate (19) is rotatably connected with a pawl (20); the other end of the pawl (20) is inserted between the ratchet teeth to form locking connection with the ratchet (18).

6. The test tube washing device according to claim 5, characterized in that the pawl (20) is further rotatably connected with a pull rod (22) through a pin shaft (23); the upper end of the pull rod (22) penetrates through the side wall of the locking column body (5) to be fixedly connected with the grabbing block (21).

7. The device for washing test tubes according to claim 6, wherein the gripping block (21) is embedded in the outer wall of the locking cylinder (5).

8. Test tube washing device according to claim 7, characterized in that the connection of the rotating lever (3) with the washing cylinder (1) and the locking cylinder (5) is provided with a bearing (4).

9. The test tube cleaning device according to claim 5, wherein four connecting rods (8) are fixedly connected to the right side of the locking cylinder (5), one end of each connecting rod (8) far away from the locking cylinder (5) is inclined towards the center of the locking cylinder (5) and then connected to the circular plate (9), a rotating shaft (10) is fixedly connected to the right side of the circular plate (9), and the right end of the rotating shaft (10) is connected to the motor (12) through a coupler (11).