CN216419444U

CN216419444U - Laboratory liquid pumping device

Info

Publication number: CN216419444U
Application number: CN202120978580.7U
Authority: CN
Inventors: 方志荣; 陈秀; 林燕; 韩海林
Original assignee: Zhejiang Zhenong Testing And Certification Technology Co ltd
Current assignee: Zhejiang Zhenong Testing And Certification Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-05-03
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a laboratory liquid pumping device, which comprises a bottom plate, wherein a vertical plate is fixedly arranged on the upper surface of the bottom plate, the upper surface of the vertical plate is fixedly provided with a top plate, the upper surface of the bottom plate is symmetrically provided with first sliding chutes, the surfaces of the two groups of first sliding chutes are symmetrically and slidably connected with first sliding blocks, the upper surface of the bottom plate is also provided with a second sliding chute, the surface of the top plate is fixedly provided with a liquid pumping mechanism, compared with the prior art, the handle drives the double-threaded screw to rotate through the clockwise knob handle, the double-threaded screw enables the two groups of second sliding blocks to move oppositely along the surface of the second sliding chute, the two groups of second sliding blocks drive the corresponding clamping plates and the non-slip mat to move oppositely synchronously, when the opposite sides of the two sets of anti-slip pads contact with the outer wall of the outer container and clamp the outer container, the knob handle is stopped, thereby the centre gripping of outside container has been accomplished, and then the effectual stability that improves outside container when follow-up drawing liquid operation.

Description

Laboratory liquid pumping device

Technical Field

The utility model relates to the technical field of laboratory liquid extraction, in particular to a laboratory liquid extraction device.

Background

A laboratory: i.e. where the experiment was performed. The laboratory is a scientific cradle, is a base of scientific research and a source of scientific development, and plays a very important role in the scientific development. The laboratory liquid extraction device in the prior art has the following problems:

1. when a laboratory liquid pumping device in the prior art pumps chemical solution, a container for containing the chemical solution cannot be fixed, so that the container shakes during subsequent liquid pumping;

2. laboratory draw solution device among the prior art is when suction chemical solution, relies on artifical manual pressure aurilave will hold the chemical solution suction in the chemical solution container to the inside of degree of bubble pipe at present mostly, and it is comparatively inconvenient to lead to sucking the operation of chemical solution from this, and for this reason, we propose laboratory draw solution device and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laboratory liquid pumping device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the laboratory liquid pumping device comprises a bottom plate, wherein a vertical plate is fixedly arranged on the upper surface of the bottom plate, a top plate is fixedly arranged on the upper surface of the vertical plate, first sliding grooves are symmetrically formed in the upper surface of the bottom plate, first sliding blocks are symmetrically and slidably connected to the surfaces of the two groups of first sliding grooves, a second sliding groove is further formed in the upper surface of the bottom plate, a liquid pumping mechanism is fixedly arranged on the surface of the top plate, and a clamping mechanism is fixedly arranged on the upper surface of the bottom plate;

drawing liquid mechanism is including the bracing piece, and is two sets of the one end of bracing piece is all with riser fixed connection, and is two sets of the one end fixedly connected with of bracing piece returns the type frame, the both sides of returning the type frame are the screw thread rotation respectively and are connected with the threaded rod, the draw-in groove has been seted up to the inner wall symmetry of returning the type frame, and is two sets of the equal activity joint in surface of draw-in groove has the fixture block, and is two sets of the equal fixed mounting in opposite side of fixture block has the connecting rod, and is two sets of fixedly connected with arc grip block between the connecting rod, threaded rod and arc grip block rotate to be connected, the fixed surface of roof is equipped with the telescopic link, the outer wall cover of telescopic link is equipped with reset spring, the piston end fixedly connected with extrusion piece of telescopic link, reset spring's one end and one side fixed connection of extrusion piece.

Preferably, the lower surface of the bottom plate is uniformly and fixedly provided with stabilizing seats.

Preferably, a movable groove is formed in the surface of the top plate, one end of the telescopic rod is fixedly connected with one side of the movable groove, one end of the return spring is fixedly connected with one side of the movable groove, and the extrusion block is movably contacted with the inner wall of the movable groove.

Preferably, the inner walls of the two groups of arc-shaped clamping blocks are fixedly provided with arc-shaped protective pads, and the two groups of arc-shaped protective pads are movably inserted into the bubble degree pipe body.

Preferably, a pull rod is fixedly installed on the upper surface of the extrusion block, and a grip is fixedly installed at one end of the pull rod.

Preferably, a baffle is fixedly mounted on one side of the movable groove, one side of the extrusion block is in movable contact with one side of the baffle, a placing plate is fixedly connected to one side of the baffle, the placing plate is fixedly connected with the inner wall of the movable groove, the lower surface of the extrusion block is in movable contact with the upper surface of the placing plate, the upper end of the bubble degree tube body is in movable contact with the lower surface of the placing plate, and a plugging hole is formed in the surface of the placing plate.

Preferably, fixture is including the second slider, second slider and second spout sliding connection, and is two sets of the equal fixed mounting in one side of second slider has the thread bush, and is two sets of the screw thread rotates between the thread bush and is connected with double threaded screw, double threaded screw and bottom plate rotate to be connected, and are two sets of the equal fixed mounting in upper surface of second slider has the grip block, grip block and first slider fixed connection, the lower surface of grip block and the upper surface movable contact of bottom plate.

Preferably, one end of the double-threaded screw is fixedly connected with a handle, the two groups of clamping plates are fixedly provided with anti-slip pads on the opposite sides, the anti-slip pads are fixedly connected with the second sliding block, the anti-slip pads are fixedly connected with the first sliding block, and the lower surfaces of the anti-slip pads are in movable contact with the upper surface of the bottom plate.

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

1. the handle drives the double-threaded screw rod to rotate through the clockwise knob handle, the double-threaded screw rod enables the two groups of second sliding blocks to move oppositely along the surface of the second sliding chute, the two groups of second sliding blocks drive the corresponding clamping plates and the anti-slip pads to move oppositely and synchronously, and the knob handle is stopped after the opposite sides of the two groups of anti-slip pads are contacted with the outer wall of the external container and clamp the external container, so that the clamping of the external container is completed, and the stability of the external container during subsequent liquid pumping operation is effectively improved;

2. by pulling the handle, the handle enables the pull rod to drive the extrusion block to move, the suction ball is placed on the upper surface of the placing plate, one side of the suction ball is contacted with one side of the baffle plate, the suction end of the suction ball is inserted in the insertion hole, the handle is loosened, the telescopic rod and the reset spring rapidly extend and push the extrusion block to move horizontally, the extrusion block moving horizontally enables the suction ball to contract, the threaded rod drives the arc-shaped clamping block, the arc-shaped protective pads, the connecting rod and the clamping block to move through the anticlockwise knob threaded rod, then the bubble degree pipe body is placed between the two groups of arc-shaped protective pads, the suction end of the bubble degree pipe body is contacted with the chemical solution in the container on the upper surface of the bottom plate, the suction end of the suction ball is positioned in the bubble degree pipe body, then the clockwise knob threaded rod enables the two groups of arc-shaped protective pads to move oppositely and clamp the bubble degree pipe body, the handle is pulled again, the handle makes the extrusion piece separate with the auricle ball, and the auricle ball stretches rapidly this moment to with the inside of the interior chemical solution suction of bottom plate upper surface container to the degree of bubble pipe body, thereby convenient completion the drawing liquid of degree of bubble pipe body, and then the effectual convenience that improves the drawing liquid operation.

Drawings

FIG. 1 is a schematic view of the external structure of the fluid-pumping device of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of portion B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of section C of FIG. 1 according to the present invention;

FIG. 5 is a bottom view of the top plate of the present invention;

in the figure: 1. a base plate; 11. a stabilizing base; 12. a vertical plate; 13. a top plate; 131. a movable groove; 14. a first chute; 15. a first slider; 16. a second chute; 2. a liquid pumping mechanism; 21. a support bar; 22. a back-shaped frame; 221. a threaded rod; 23. a card slot; 24. a clamping block; 25. a connecting rod; 26. an arc-shaped clamping block; 261. an arc-shaped protection pad; 27. a bulb tube body; 28. a telescopic rod; 281. a return spring; 282. extruding the block; 283. a pull rod; 284. a grip; 29. a baffle plate; 291. placing the plate; 292. inserting holes; 3. a clamping mechanism; 31. a second slider; 32. a threaded sleeve; 33. a double-ended screw; 34. a handle; 35. a clamping plate; 36. a non-slip mat.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the laboratory liquid pumping device comprises a bottom plate 1, a container to be pumped can be placed on the upper surface of the bottom plate 1, a vertical plate 12 is fixedly installed on the upper surface of the bottom plate 1, a top plate 13 is fixedly installed on the upper surface of the vertical plate 12, first sliding grooves 14 are symmetrically formed in the upper surface of the bottom plate 1, first sliding blocks 15 are symmetrically and slidably connected to the surfaces of the two groups of first sliding grooves 14, the first sliding blocks 15 can slide in the surface horizontal direction of the first sliding grooves 14, a second sliding groove 16 is further formed in the upper surface of the bottom plate 1, a liquid pumping mechanism 2 is fixedly arranged on the surface of the top plate 13, the liquid pumping mechanism 2 can conveniently complete liquid pumping work, a clamping mechanism 3 is fixedly arranged on the upper surface of the bottom plate 1, the clamping mechanism 3 can clamp the container to be pumped, and the container is prevented from shaking;

the liquid pumping mechanism 2 comprises support rods 21, one ends of two groups of support rods 21 are fixedly connected with a vertical plate 12, one ends of two groups of support rods 21 are fixedly connected with a return frame 22, the support rods 21 can support and fix the return frame 22, two sides of the return frame 22 are respectively in threaded rotation connection with a threaded rod 221, clamping grooves 23 are symmetrically formed in the inner wall of the return frame 22, clamping blocks 24 are movably clamped on the surfaces of the two groups of clamping grooves 23, the clamping blocks 24 can slide in the surface horizontal direction of the clamping grooves 23, connecting rods 25 are fixedly installed on the opposite sides of the two groups of clamping blocks 24, an arc-shaped clamping block 26 is fixedly connected between the two groups of connecting rods 25, the clamping blocks 24 can drive the connecting rods 25 and the arc-shaped clamping block 26 to move in the horizontal direction, the threaded rods 221 are rotatably connected with the arc-shaped clamping block 26, a telescopic rod 28 is fixedly arranged on the surface of a top plate 13, a return spring 281 is sleeved on the outer wall of the telescopic rod 28, and the telescopic rod 28 can effectively improve the stability of the return spring 281, the piston end of the telescopic rod 28 is fixedly connected with the extrusion block 282, the telescopic rod 28 and the return spring 281 can drive the extrusion block 282 to move in the horizontal direction, and one end of the return spring 281 is fixedly connected with one side of the extrusion block 282.

In one embodiment of the present invention, the stabilizing seats 11 are uniformly distributed and fixedly mounted on the lower surface of the bottom plate 1, and the stabilizing seats 11 can effectively improve the stability of the bottom plate 1.

In one embodiment of the present invention, the movable groove 131 is formed on the surface of the top plate 13, one end of the telescopic rod 28 is fixedly connected to one side of the movable groove 131, one end of the return spring 281 is fixedly connected to one side of the movable groove 131, the pressing block 282 is movably contacted with the inner wall of the movable groove 131, and the movable groove 131 is formed to facilitate the horizontal movement of the pressing block 282.

As an embodiment of the present invention, the inner walls of the two sets of arc-shaped clamping blocks 26 are both fixedly provided with arc-shaped protection pads 261, a bubble degree tube body 27 is movably inserted between the two sets of arc-shaped protection pads 261, the threaded rod 221 can drive the arc-shaped clamping blocks 26 to move through the knob threaded rod 221, the two sets of moving arc-shaped clamping blocks 26 can clamp the bubble degree tube body 27, the arc-shaped protection pads 261 can prevent the bubble degree tube body 27 from being damaged, and pumped chemical solution can be contained in the bubble degree tube body 27.

In one embodiment of the present invention, a pull rod 283 is fixedly mounted on the upper surface of the pressing block 282, a grip 284 is fixedly mounted on one end of the pull rod 283, and the grip 284 can drive the pull rod 283 and the pressing block 282 to move in the horizontal direction by pulling the grip 284.

As an embodiment of the present invention, a baffle 29 is fixedly installed on one side of the movable slot 131, one side of the pressing block 282 is movably contacted with one side of the baffle 29, the baffle 29 can conveniently limit the horizontal direction of the pressing block 282, a placing plate 291 is fixedly connected to one side of the baffle 29, an ear-sucking ball can be placed on the upper surface of the placing plate 291, the pressing block 282 can press the ear-sucking ball, the placing plate 291 is fixedly connected with the inner wall of the movable slot 131, the lower surface of the pressing block 282 is movably contacted with the upper surface of the placing plate 291, the upper end of the bubbler body 27 is movably contacted with the lower surface of the placing plate 291, an insertion hole 292 is formed on the surface of the placing plate 291, and the air-sucking end of the ear-sucking ball can be inserted into the insertion hole 292.

As an embodiment of the present invention, the clamping mechanism 3 includes a second slider 31, the second slider 31 is slidably connected to the second chute 16, the second slider 31 can move in a horizontal direction on the surface of the second chute 16, threaded sleeves 32 are fixedly mounted on one side of each of two sets of second sliders 31, a double-threaded screw 33 is rotatably connected between the two sets of threaded sleeves 32 through a thread, the double-threaded screw 33 can drive the second slider 31 to move in the horizontal direction through a knob, the double-threaded screw 33 is rotatably connected to the bottom plate 1, clamping plates 35 are fixedly mounted on the upper surfaces of the two sets of second sliders 31, the clamping plates 35 are fixedly connected to the first slider 15, the second slider 31 can drive the clamping plates 35 and the first slider 15 to move in the horizontal direction, the clamping plates 35 can clamp a container to be pumped, and the lower surfaces of the clamping plates 35 are in movable contact with the upper surface of the bottom plate 1.

As an embodiment of the utility model, one end of the double-threaded screw 33 is fixedly connected with a handle 34, the handle 34 can drive the double-threaded screw 33 to rotate through a knob handle 34, anti-slip pads 36 are fixedly installed on opposite sides of the two groups of clamping plates 35, the anti-slip pads 36 are fixedly connected with the second sliding block 31, the anti-slip pads 36 are fixedly connected with the first sliding block 15, the lower surfaces of the anti-slip pads 36 are movably contacted with the upper surface of the bottom plate 1, and the anti-slip pads 36 can prevent a clamped container from slipping off.

The working principle is as follows: when chemical solution in the external container needs to be pumped, a worker firstly places the container which is externally filled with the chemical solution on the upper surface of the bottom plate 1, then turns the handle 34 clockwise, the handle 34 drives the double-threaded screw 33 to rotate, the double-threaded screw 33 rotates and simultaneously enables the two groups of second sliders 31 to move oppositely along the surface of the second chute 16, the two groups of second sliders 31 drive the corresponding clamping plates 35 and the anti-skid pads 36 to synchronously move oppositely, at the moment, the two groups of clamping plates 35 drive the two groups of corresponding first sliders 15 to synchronously move, the turning handle 34 is stopped after the opposite sides of the two groups of anti-skid pads 36 are tightly contacted with the outer wall of the external container and clamp the external container, so that the clamping of the external container is completed, the stability of the external container during subsequent liquid pumping operation is effectively improved, and then, the pull rod 283 drives the extrusion block 282 to move by pulling the grip 284 and the grip 284, at this time, the telescopic rod 28 and the return spring 281 on one side of the extrusion block 282 are contracted, then the suction end of the suction ball is inserted into the insertion hole 292, the handle 284 is loosened, the telescopic rod 28 and the return spring 281 rapidly extend and push the extrusion block 282 to move horizontally, the extrusion block 282 moving horizontally contracts the suction ball, then the two sets of threaded rods 221 are simultaneously turned counterclockwise, the two sets of threaded rods 221 drive the corresponding arc-shaped clamping blocks 26, the arc-shaped protection pads 261, the connecting rods 25 and the clamping blocks 24 to move horizontally along the surfaces of the two sets of clamping grooves 23, the two sets of arc-shaped clamping blocks 26 and the arc-shaped protection pads 261 are in a back-to-back moving state, and the two sets of threaded rods 221 are stopped until the diameter between the two sets of arc-shaped protection pads 261 is larger than the diameter of the bubble tube body 27, and place degree of a bubble pipe body 27 between two sets of arc protection pads 261, make the suction end of degree of a bubble pipe body 27 and the chemical solution contact in the container of bottom plate 1 upper surface, and make the suction end of auricle be in the inside of degree of a bubble pipe body 27, then clockwise two sets of threaded rods 221 of knob, make two sets of arc protection pads 261 move in opposite directions and press from both sides degree of a bubble pipe body 27 tightly, afterwards, pull handle 284 again, handle 284 makes extrusion block 282 and auricle separation, the auricle of this moment stretches rapidly, and suck the chemical solution in the container of bottom plate 1 upper surface to the inside of degree of a bubble pipe body 27, thereby convenient completion degree of a bubble pipe body 27 take out liquid, and then the convenience of the effectual liquid extraction operation that has improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The laboratory liquid pumping device comprises a bottom plate (1) and is characterized in that a vertical plate (12) is fixedly mounted on the upper surface of the bottom plate (1), a top plate (13) is fixedly mounted on the upper surface of the vertical plate (12), first sliding grooves (14) are symmetrically formed in the upper surface of the bottom plate (1), first sliding blocks (15) are symmetrically and slidably connected to the surfaces of the two groups of first sliding grooves (14), a second sliding groove (16) is further formed in the upper surface of the bottom plate (1), a liquid pumping mechanism (2) is fixedly arranged on the surface of the top plate (13), and a clamping mechanism (3) is fixedly arranged on the upper surface of the bottom plate (1);

the liquid pumping mechanism (2) comprises a support rod (21), one end of the support rod (21) is fixedly connected with a vertical plate (12), one end of the support rod (21) is fixedly connected with a return frame (22), two sides of the return frame (22) are respectively connected with a threaded rod (221) in a threaded rotation mode, clamping grooves (23) are symmetrically formed in the inner wall of the return frame (22), clamping blocks (24) are movably clamped on the surfaces of the clamping grooves (23), connecting rods (25) are fixedly mounted on the opposite sides of the clamping blocks (24), arc-shaped clamping blocks (26) are fixedly connected between the connecting rods (25), the threaded rods (221) are rotatably connected with the arc-shaped clamping blocks (26), a telescopic rod (28) is fixedly arranged on the surface of a top plate (13), and a reset spring (281) is sleeved on the outer wall of the telescopic rod (28), the piston end of the telescopic rod (28) is fixedly connected with an extrusion block (282), and one end of the return spring (281) is fixedly connected with one side of the extrusion block (282).

2. The laboratory pipetting device of claim 1, wherein: stabilizing seats (11) are uniformly distributed and fixedly installed on the lower surface of the bottom plate (1).

3. The laboratory pipetting device of claim 1, wherein: the surface of the top plate (13) is provided with a movable groove (131), one end of the telescopic rod (28) is fixedly connected with one side of the movable groove (131), one end of the return spring (281) is fixedly connected with one side of the movable groove (131), and the extrusion block (282) is movably contacted with the inner wall of the movable groove (131).

4. The laboratory pipetting device of claim 3, wherein: the inner wall of two sets of arc grip block (26) all fixed mounting have arc protection pad (261), and two sets of the activity is pegged graft between arc protection pad (261) and is had bubble degree pipe body (27).

5. The laboratory pipetting device of claim 1, wherein: a pull rod (283) is fixedly installed on the upper surface of the extrusion block (282), and a handle (284) is fixedly installed at one end of the pull rod (283).

6. The laboratory pipetting device of claim 4, wherein: one side of the movable groove (131) is fixedly provided with a baffle (29), one side of the extrusion block (282) is in movable contact with one side of the baffle (29), one side of the baffle (29) is fixedly connected with a placing plate (291), the placing plate (291) is fixedly connected with the inner wall of the movable groove (131), the lower surface of the extrusion block (282) is in movable contact with the upper surface of the placing plate (291), the upper end of the bubble degree pipe body (27) is in movable contact with the lower surface of the placing plate (291), and the surface of the placing plate (291) is provided with a plug hole (292).

7. The laboratory pipetting device of claim 1, wherein: fixture (3) are including second slider (31), second slider (31) and second spout (16) sliding connection, and are two sets of the equal fixed mounting in one side of second slider (31) has thread bush (32), and is two sets of the screw thread rotates between thread bush (32) and is connected with double-thread screw (33), double-thread screw (33) and bottom plate (1) rotate to be connected, and are two sets of the equal fixed mounting in upper surface of second slider (31) has grip block (35), grip block (35) and first slider (15) fixed connection, the lower surface of grip block (35) and the last surface activity contact of bottom plate (1).

8. The laboratory pipetting device of claim 7, wherein: the clamping device is characterized in that one end of the double-end screw (33) is fixedly connected with a handle (34), two groups of clamping plates (35) are fixedly provided with anti-slip pads (36) on opposite sides, the anti-slip pads (36) are fixedly connected with the second sliding block (31), the anti-slip pads (36) are fixedly connected with the first sliding block (15), and the lower surfaces of the anti-slip pads (36) are in movable contact with the upper surface of the base plate (1).