CN217016670U

CN217016670U - Supernatant removing device

Info

Publication number: CN217016670U
Application number: CN202122362012.7U
Authority: CN
Inventors: 朱向莹
Original assignee: Zhejiang Hengyu Biotechnology Co ltd
Current assignee: Zhejiang Hengyu Biotechnology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-07-22
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a supernatant removing device, which comprises a base, wherein a supporting rod is arranged at the top end of the base, cross rods vertically distributed on the top end of the supporting rod are arranged at the top end of the supporting rod, one end, away from the supporting rod, of each cross rod is fixedly connected with an extracting mechanism through a fixing piece, the bottom of the extracting mechanism is connected with a liquid taking pipe through a hose, the liquid taking pipe is connected with a movable plate through a fixing piece, and driving mechanisms for driving the movable plate to move up and down are arranged on the cross rods and the supporting rod.

Description

Upper cleaning removing device

Technical Field

The utility model relates to the technical field of laboratory equipment, in particular to a supernatant removing device.

Background

The laboratory is the place of carrying out the experiment, and the laboratory is scientific cradle, is the base of scientific research, and the source of science and technology development plays very important effect to science and technology development, because the laboratory needs to test various experiments, consequently also need to carry out different experimental operations, for example the operation of drawing the supernatant on turbid liquid is often carried out in the laboratory.

The supernatant fluid remove device among the prior art can't adjust the upper cleaning liquid suction position, the supernatant fluid suction effect is not good, and mostly through the syringe extraction, and can't once only extract the supernatant fluid during the syringe extraction, need repeatedly switch the extraction back and forth with the hand, it is comparatively troublesome, chinese patent discloses a draw solution device (grant No. CN210045263U) that the supernatant fluid was got rid of in laboratory, this patent can extract the supernatant fluid, but the syringe is fixed in on the device, and the syringe can't once only extract the supernatant fluid, therefore it is comparatively troublesome when using, the efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a supernatant removing device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a supernatant removing device comprises a base, wherein a supporting rod is arranged at the top end of the base, cross rods which are vertically distributed on the top end of the supporting rod are arranged at the top end of the supporting rod, one end, far away from the supporting rod, of each cross rod is fixedly connected with an extracting mechanism through a fixing part, the bottom of the extracting mechanism is connected with a liquid taking pipe through a hose, the liquid taking pipe is connected with a movable plate through a fixing part, and driving mechanisms for driving the movable plate to move up and down are arranged on the cross rods and the supporting rod;

the extraction mechanism includes a piston cylinder, sliding connection has the piston in the piston cylinder, the top of piston is provided with the piston rod, the top of piston rod extends to the top of piston cylinder and is provided with the arm-tie, the bottom of piston cylinder is provided with first check valve, one side that the piston cylinder is close to the bottom is provided with the second check valve, one side that the piston cylinder is close to the top is provided with the drain pipe.

As a further scheme of the utility model: actuating mechanism includes the lead screw, the bottom of lead screw is rotated through the bearing and is connected with the supporting seat, the lateral wall of supporting seat and the lateral wall fixed connection of bracing piece, the top of lead screw extends to the top of horizontal pole and is provided with the knob, just the lead screw passes through the bearing and is rotated with the horizontal pole and be connected, be provided with the screw hole on the fly leaf, the fly leaf is through the screw hole and the lead screw threaded connection that set up, through rotating the knob for the lead screw rotates, have with fly leaf and lead screw threaded connection, thereby make the fly leaf reciprocate, thereby be convenient for adjust the height of liquid taking pipe, thereby be convenient for remove the head of liquid taking pipe to supernatant layering department, and rotate the regulation through the screw, more accurate, stable.

As a still further scheme of the utility model: the utility model discloses a portable liquid level meter, including liquid taking pipe, bracing piece, fly leaf, slide block and spout sliding connection, the fly leaf is kept away from liquid taking pipe one end and is provided with the slider, the lateral wall of bracing piece is provided with the spout, slider and spout sliding connection have played effectual limiting displacement to the fly leaf through the cooperation between slider and the spout.

As a still further scheme of the utility model: the base is made by the balancing weight, just the cross-section of base and bracing piece and horizontal pole forms "Z" type structure, through the cooperation between base and bracing piece and the horizontal pole for the device is more stable.

As a still further scheme of the utility model: the mounting includes the sleeve pipe, sheathed tube one side is provided with the round hole, install the nut in the round hole, nut internal thread connection has a locking bolt, and in injecting the sleeve through a piston section of thick bamboo or liquid taking pipe, then can be firmly fixed a piston section of thick bamboo or liquid taking pipe through screwing up locking bolt, be convenient for install and dismantle piston section of thick bamboo and liquid taking pipe, the flexibility is strong.

As a still further scheme of the utility model: the first one-way valve comprises a fixed piece and a movable piece, the fixed piece and the movable piece are both of a semicircular structure, the fixed piece and the movable piece are rotatably connected through a hinge, the structure of the second one-way valve is the same as that of the first one-way valve, the first one-way valve is opened upwards, the second one-way valve is opened outwards, through the matching between the first one-way valve and the second one-way valve, when the piston rod is pushed downwards, the first one-way valve is opened upwards, and then downward thrust is generated on the first one-way valve, so that the first one-way valve is closed, and because the second one-way valve is opened outwards, the second one-way valve is opened, so that air pressure in the piston cylinder is discharged through the second one-way valve, the phenomenon that the air pressure is discharged into the container through the first one-way valve to cause liquid turbidity is avoided, when the piston rod is pulled upwards, hold the second check valve with the hand to make the second check valve be in the off-state, first check valve can upwards open this moment, thereby make the supernatant pass through in liquid taking pipe and hose are inhaled the piston cylinder, thereby make the supernatant pass through the drain pipe and be discharged, so relapse the pull piston rod can, and can not lead to the fact the influence to the liquid in the container.

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

1. according to the liquid taking pipe, the screw rod is rotated by rotating the knob, the movable plate is in threaded connection with the movable plate and the screw rod, so that the movable plate can move up and down, the height of the liquid taking pipe can be conveniently adjusted, the head of the liquid taking pipe can be conveniently moved to the upper layer of clear liquid layering position, and the liquid taking pipe is more accurate and stable through threaded rotation adjustment.

2. Through inject piston cylinder or liquid taking pipe in the sleeve, then can fix piston cylinder or liquid taking pipe firmly through screwing up the locking bolt, be convenient for install and dismantle piston cylinder and liquid taking pipe, the flexibility is strong.

3. According to the utility model, through the matching of the first one-way valve, the second one-way valve and the liquid outlet pipe, the piston rod is conveniently and repeatedly pulled to extract the supernatant, the liquid in the container is not influenced, and the phenomenon that the supernatant and the liquid are mixed in the extraction process can be effectively avoided.

Drawings

Fig. 1 is a schematic view of a structure of a supernatant removing device.

Fig. 2 is a schematic view of an extracting mechanism in the supernatant removing device.

Fig. 3 is a schematic view showing a structure of a fixing member in the supernatant removing device.

Fig. 4 is a schematic structural view of a first check valve in the supernatant removing device.

In the figure: 1. a base; 2. a support bar; 3. a cross bar; 4. a supporting base; 5. a screw rod; 6. a movable plate; 7. a fixing member; 8. a drawing mechanism; 9. a liquid outlet pipe; 10. a hose; 11. a liquid taking pipe; 12. a piston cylinder; 13. a piston rod; 14. a piston; 15. a first check valve; 16. a second one-way valve; 17. a sleeve; 18. a nut; 19. locking the bolt; 20. a fixing sheet; 21. a movable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a supernatant removing device includes a base 1, a support rod 2 is disposed at a top end of the base 1, a cross rod 3 vertically distributed on the support rod 2 is disposed at a top end of the support rod 2, the base 1 is made of a weight block, cross sections of the base 1, the support rod 2 and the cross rod 3 form a "Z" shaped structure, the device is more stable by cooperation between the base 1 and the support rod 2 and the cross rod 3, one end of the cross rod 3 away from the support rod 2 is fixedly connected to an extraction mechanism 8 through a fixing member 7, a bottom of the extraction mechanism 8 is connected to a liquid taking tube 11 through a hose 10, the liquid taking tube 11 is connected to a movable plate 6 through the fixing member 7, the fixing member 7 includes a sleeve 17, one side of the sleeve 17 is provided with a circular hole, a nut 18 is installed in the circular hole, the nut 18 is connected to a locking bolt 19 through an internal thread, the piston cylinder 12 or the liquid taking pipe 11 is inserted into the sleeve 17, and then the piston cylinder 12 or the liquid taking pipe 11 can be firmly fixed by screwing the locking bolt 19, so that the piston cylinder 12 and the liquid taking pipe 11 are convenient to mount and dismount, and the flexibility is strong;

the liquid taking device is characterized in that driving mechanisms for driving the movable plate 6 to move up and down are arranged on the transverse rod 3 and the supporting rod 2, each driving mechanism comprises a lead screw 5, the bottom of each lead screw 5 is rotatably connected with a supporting seat 4 through a bearing, the side wall of each supporting seat 4 is fixedly connected with the side wall of the corresponding supporting rod 2, the top end of each lead screw 5 extends to the position above the corresponding transverse rod 3 and is provided with a knob, each lead screw 5 is rotatably connected with the corresponding transverse rod 3 through a bearing, each movable plate 6 is provided with a threaded hole, each movable plate 6 is in threaded connection with the corresponding lead screw 5 through the corresponding threaded hole, the corresponding lead screw 5 is rotated through the corresponding knob, the movable plates 6 are in threaded connection with the corresponding lead screws 5, and accordingly the movable plates 6 move up and down, the height of the liquid taking tubes 11 is conveniently adjusted, the heads of the liquid taking tubes 11 are conveniently moved to upper clear liquid layering positions and are adjusted through threaded rotation, the liquid taking device is more accurate and stable, a sliding block is arranged at one end, away from the liquid taking pipe 11, of the movable plate 6, a sliding groove is formed in the side wall of the supporting rod 2, the sliding block is connected with the sliding groove in a sliding mode, and the movable plate 6 is effectively limited through the matching between the sliding block and the sliding groove;

the extraction mechanism 8 comprises a piston cylinder 12, a piston 14 is connected in the piston cylinder 12 in a sliding manner, a piston rod 13 is arranged at the top end of the piston 14, the top end of the piston rod 13 extends to the upper side of the piston cylinder 12 and is provided with a pulling plate, a first one-way valve 15 is arranged at the bottom of the piston cylinder 12, a second one-way valve 16 is arranged at one side of the piston cylinder 12 close to the bottom, a liquid outlet pipe 9 is arranged at one side of the piston cylinder 12 close to the top end, the first one-way valve 15 comprises a fixed piece 20 and a movable piece 21, the fixed piece 20 and the movable piece 21 are both in a semicircular structure, the fixed piece 20 is rotatably connected with the movable piece 21 through a hinge, the structure of the second one-way valve 16 is the same as that of the first one-way valve 15, the first one-way valve 15 is opened upwards, the second one-way valve 16 is opened outwards, and is matched with the first one-way valve 15 and the second one-way valve 16, when the piston rod 13 is pushed downward, since the first check valve 15 is opened upward, a downward pushing force is generated to the first check valve 15, so that the first check valve 15 is closed, since the second check valve 16 is opened, so that the air pressure in the piston cylinder 12 is discharged through the second check valve 16, so that the phenomenon that air pressure is discharged into the container through the first check valve 15 to cause liquid turbidity does not occur, when the piston rod 13 is pulled up, the second check valve 16 is pinched by hand, so that the second check valve 16 is in a closed state, in which the first check valve 15 is opened upward, so that the supernatant is sucked into the piston cylinder 12 through the liquid taking tube 11 and the hose 10, and the supernatant is discharged through the liquid outlet tube 9, and the piston rod 13 is repeatedly pulled and pulled, and the liquid in the container is not affected.

The working principle of the utility model is as follows:

when the container is used, the container is placed below the liquid taking pipe 11, the movable plate 6 moves downwards by rotating the knob, so that the bottom of the liquid taking pipe 11 is contacted with supernatant, the liquid outlet pipe 9 is placed in an empty container, then the piston rod 13 is repeatedly pulled by hand, and at the moment, the supernatant enters the empty container through the liquid taking pipe 11, the hose 10, the piston cylinder 12 and the liquid outlet pipe 9.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A supernatant removing device comprises a base (1) and is characterized in that a supporting rod (2) is arranged at the top end of the base (1), cross rods (3) which are vertically distributed with the supporting rod are arranged at the top end of the supporting rod (2), one ends, far away from the supporting rod (2), of the cross rods (3) are fixedly connected with an extracting mechanism (8) through fixing pieces (7), the bottom of the extracting mechanism (8) is connected with a liquid taking pipe (11) through a hose (10), the liquid taking pipe (11) is connected with a movable plate (6) through the fixing pieces (7), and driving mechanisms for driving the movable plate (6) to move up and down are arranged on the cross rods (3) and the supporting rod (2);

extraction mechanism (8) are including piston cylinder (12), sliding connection has piston (14) in piston cylinder (12), the top of piston (14) is provided with piston rod (13), the top of piston rod (13) extends to the top of piston cylinder (12) and is provided with the arm-tie, the bottom of piston cylinder (12) is provided with first check valve (15), one side that piston cylinder (12) is close to the bottom is provided with second check valve (16), one side that piston cylinder (12) is close to the top is provided with drain pipe (9).

2. The supernatant removing device according to claim 1, wherein the driving mechanism comprises a screw rod (5), the bottom of the screw rod (5) is rotatably connected with a support seat (4) through a bearing, the side wall of the support seat (4) is fixedly connected with the side wall of the support rod (2), the top end of the screw rod (5) extends to the upper part of the cross rod (3) and is provided with a knob, the screw rod (5) is rotatably connected with the cross rod (3) through a bearing, the movable plate (6) is provided with a threaded hole, and the movable plate (6) is in threaded connection with the screw rod (5) through the threaded hole.

3. A supernatant removing device according to claim 1, wherein a slide block is arranged at one end of the movable plate (6) far away from the liquid taking pipe (11), a sliding groove is arranged on the side wall of the support rod (2), and the slide block is connected with the sliding groove in a sliding manner.

4. A supernatant removal device according to claim 1, wherein the base (1) is made of a counter weight, and the base (1) forms a "Z" shaped structure with the cross-sections of the support bar (2) and the cross-bar (3).

5. A supernatant removal device according to claim 1, wherein the fixing member (7) comprises a sleeve (17), one side of the sleeve (17) is provided with a round hole, a nut (18) is installed in the round hole, and a locking bolt (19) is connected to the nut (18) in an internal thread manner.

6. The supernatant removing device according to claim 1, wherein the first one-way valve (15) comprises a fixed plate (20) and a movable plate (21), the fixed plate (20) and the movable plate (21) are both in a semicircular structure, the fixed plate (20) and the movable plate (21) are rotatably connected through a hinge, the second one-way valve (16) has the same structure as the first one-way valve (15), the first one-way valve (15) is opened upwards, and the second one-way valve (16) is opened outwards.