Leakage-proof liquid separator for laboratory
By setting up an end-face leakage-proof component on the dispenser, the bottle mouth sealing is achieved by using the expansion effect of the hollow silicone ring, which solves the problems of the suitability of bottle mouths of different diameters and the wear of the sealing ring in the prior art, and achieves efficient solution liquid separation and sealing effects.
Patent Information
- Application Number
- CN202421330563.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-12
AI Technical Summary
When existing bottle mouth dispensers are suitable for bottle mouths of different diameters, they need to replace the sealing plug, and the sealing ring is prone to wear after multiple uses, resulting in poor sealing effect and easy leakage of the solution.
A leak-proof liquid dispenser including a liquid-distribution piston pillar and a solution bottle is designed. The end-face leak-proof assembly is used to inject gas into the hollow silicone ring through the piston and piston cylinder to expand it, thereby sealing the bottle mouth, which is suitable for bottle mouths of different diameters.
It realizes effective sealing of bottle openings of different diameters, avoids leakage of solution during liquid separation, extends the service life of the sealing ring, and improves the convenience of the liquid dispenser.
Smart Images
Figure CN222550943U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bottle mouth liquid dispenser equipment, in particular to a leak-proof liquid dispenser for laboratory use. Background Art
[0002] The bottle mouth dispenser is suitable for general acids and alkalis and low-concentration strong acids and alkalis and salts. Its main purpose is to extract and guide the solution in the medicine bottle into other containers through the piston column structure. During use, the bottom of the bottle mouth dispenser and the bottle mouth connection adapter are usually of constant size. When acting on bottles of different diameters, a sealing ring made of elastic material will be put inside the adapter to seal the gap between the bottle mouth and the adapter. Generally speaking, there will be multiple such sealing rings with different diameters. The operator needs to visually inspect the bottle mouth diameter to select the sealing ring. Moreover, after replacing the sealing ring many times, the sealing ring may be severely worn and consumed due to the pulling and plugging actions. Therefore, those skilled in the art hereby propose a technical solution for a leak-proof dispenser for laboratory use to solve the problem. Utility Model Content
[0003] The purpose of the utility model is to provide a technical solution for a laboratory leak-proof dispenser to solve the shortcomings of the background technology. In order to solve the drawbacks and defects of the background technology, the technical solution has the following contents:
[0004] It comprises a liquid-dispensing piston column and a solution bottle, wherein a bottle mouth sleeve sleeved on the bottle mouth of the solution bottle is fixed at the bottom of the liquid-dispensing piston column, a liquid outlet conduit is fixed on the left side wall of the liquid-dispensing piston column, and an end face anti-leakage component penetrating into the inner cavity of the bottle mouth sleeve is arranged on the right side wall of the liquid-dispensing piston column;
[0005] The end face anti-leakage assembly includes a hollow silicone ring fixed in the inner cavity of the bottle mouth sleeve and wrapping the outer ring of the bottle mouth of the solution bottle, and a piston cylinder fixed on the right side wall of the liquid separation piston column; wherein a rubber piston is movably arranged inside the piston cylinder, and a movable rod is fixed on the top of the rubber piston;
[0006] A circular tube is passed through the bottom of the rear side wall of the piston cylinder, a ring is fixed in the inner cavity of the circular tube, a ball is rotatably arranged inside the ring, and a circular hole coaxial with the ring is opened inside the ball. An exhaust pipe that passes through the inner cavity of the hollow silicone ring is fixed at the end of the circular tube away from the piston cylinder.
[0007] As a preferred solution of the utility model, the interior of the hollow silicone ring is hollow, and the top surface and the surrounding surfaces of the hollow silicone ring are fixedly connected to the inner cavity side wall of the bottle mouth sleeve, wherein an annular cavity is provided inside the hollow silicone ring for wrapping the edge of the bottle mouth of the solution bottle.
[0008] As a preferred solution of the utility model, a through hole for the round tube to pass through is opened on the rear side wall of the piston cylinder, and round holes are opened on the right side walls of the ring and the round tube, a rotating shaft is rotatably arranged inside the round hole, one end of the rotating shaft located inside the ring is fixedly connected to the right side wall of the ball, and a handle is fixed on the other end of the rotating shaft located outside the round tube.
[0009] As a preferred solution of the utility model, the diameter of the sphere is consistent with the inner diameter of the ring, and the diameter of the circular hole inside the sphere is 1 / 2 of the diameter of the sphere, wherein after the sphere rotates 90°, the circular hole contacts and seals the inner cavity side wall of the ring.
[0010] As a preferred solution of the utility model, the end of the exhaust pipe away from the circular tube passes through the bottle mouth sleeve to the inner cavity of the hollow silicone ring, and a through hole for the exhaust pipe to pass through is opened on the side wall of the hollow silicone ring, and the through hole is filled with sealant.
[0011] As a preferred solution of the utility model, an L-shaped bent rod is fixed to the top of the front side of the piston cylinder, and one end of the L-shaped bent rod away from the piston cylinder is fixedly connected to the side wall of the liquid separation piston column.
[0012] As a preferred solution of the utility model, the bottom of the dispensing piston column is connected to a pipette extending into the solution bottle, and a piston seal is fixed to the top surface of the dispensing piston column, and a volume adjustment slider is provided on the rear surface of the dispensing piston column.
[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0014] In the technical solution, an end face anti-leakage component is arranged on the liquid dispenser, and gas is injected into the interior of the hollow silicone ring through an external piston and a piston cylinder, forcing the hollow silicone ring to expand. After expansion from the inside, it will fill the gap between the bottle mouth sleeve and the bottle mouth, and firmly wrap the bottle mouth part so that a gap can be obtained on the end face between the two, thereby preventing the solution in the bottle from leaking during the liquid separation process. In addition, the ring can be adapted to bottle mouths of different diameters, thereby avoiding the need to replace sealing plugs for bottle mouths of different diameters in the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0016] Figure 1 This is a schematic diagram of the installation of the dispenser on the bottle;
[0017] Figure 2It is a cross-sectional schematic diagram of the dispenser and the bottle;
[0018] Figure 3 Schematic diagram of the end face leak-proof component on the side of the dispenser.
[0019] Description of reference numerals:
[0020] 1. Liquid dispensing piston column; 2. Bottle mouth sleeve; 3. End face leak-proof assembly; 31. Hollow silicone ring; 32. Annular cavity; 33. Exhaust pipe; 34. Round ball; 35. Round tube; 36. Ring; 37. Piston cylinder; 38. Movable rod; 39. Rubber piston; 310. L-shaped bent rod; 4. Volume adjustment slider; 5. Piston seal; 6. Liquid outlet catheter; 7. Solution bottle; 8. Pipette. DETAILED DESCRIPTION
[0021] In order to more clearly explain and illustrate the technical solution and implementation of the present utility model, several preferred specific embodiments for implementing the technical solution of the present utility model are introduced below.
[0022] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application and use. It should be understood that in all these figures, the same or similar figure numbers indicate the same or similar parts and features. The various figures only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may use exaggerated methods to illustrate the relevant details or structures of the embodiments of the present disclosure. The various publications, patents and published patent specifications cited herein are incorporated herein by reference in their entirety. The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model.
[0023] Embodiment, a better technical solution of a laboratory leak-proof dispenser:
[0024] Refer to the instruction manual Figure 1 As shown; it includes a liquid-dispensing piston column 1 and a solution bottle 7, a bottle mouth sleeve 2 which is sleeved on the bottle mouth of the solution bottle 7 is fixed to the bottom of the liquid-dispensing piston column 1, a liquid outlet conduit 6 is fixed to the left side wall of the liquid-dispensing piston column 1, and an end face leak-proof component 3 which penetrates into the inner cavity of the bottle mouth sleeve 2 is provided on the right side wall of the liquid-dispensing piston column 1, a pipette 8 which extends into the interior of the solution bottle 7 is connected to the bottom of the liquid-dispensing piston column 1, a piston seal 5 is fixed to the top surface of the liquid-dispensing piston column 1, and a volume adjustment slider 4 is provided on the rear side surface of the liquid-dispensing piston column 1.
[0025] The end face leak-proof component 3 includes a hollow silicone ring 31 fixed in the inner cavity of the bottle mouth sleeve 2 and wrapping the outer ring of the bottle mouth of the solution bottle 7, and a piston cylinder 37 fixed on the right side wall of the liquid separation piston column 1; wherein, a rubber piston 39 is movably arranged inside the piston cylinder 37, and a movable rod 38 is fixed on the top of the rubber piston 39; a round tube 35 is passed through the bottom position of the rear side wall of the piston cylinder 37, a collar 36 is fixed to the inner cavity of the round tube 35, a ball 34 is rotatably arranged inside the collar 36, and a circular hole coaxial with the collar 36 is opened inside the ball 34, and an exhaust pipe 33 penetrating into the inner cavity of the hollow silicone ring 31 is fixed at one end of the round tube 35 away from the piston cylinder 37, the interior of the hollow silicone ring 31 is in a hollow state, and the top surface and the surrounding surfaces of the hollow silicone ring 31 are fixedly connected to the inner cavity side wall of the bottle mouth sleeve 2, wherein an annular cavity 32 is arranged inside the hollow silicone ring 31 for wrapping the edge of the bottle mouth of the solution bottle 7.
[0026] A through hole is provided on the rear side wall of the piston cylinder 37 for the round tube 35 to pass through, and round holes are provided on the right side walls of the collar 36 and the round tube 35. A rotating shaft is rotatably arranged inside the round hole. One end of the rotating shaft located inside the collar 36 is fixedly connected to the right side wall of the ball 34, and a handle is fixed on the end of the rotating shaft located outside the round tube 35. The diameter of the ball 34 is consistent with the inner diameter of the collar 36, and the diameter of the round hole inside the ball 34 is 1 / 2 of the diameter of the ball 34. After the ball 34 rotates 90°, the round hole contacts the inner cavity side wall of the collar 36 for sealing.
[0027] The end of the exhaust pipe 33 away from the round tube 35 passes through the bottle mouth sleeve 2 to the inner cavity of the hollow silicone ring 31, and a through hole for the exhaust pipe 33 to pass through is opened on the side wall of the hollow silicone ring 31, and the through hole is filled with sealant. An L-shaped curved rod 310 is fixed to the top of the front side of the piston cylinder 37, and the end of the L-shaped curved rod 310 away from the piston cylinder 37 is fixedly connected to the side wall of the liquid separation piston column 1.
[0028] According to the above-mentioned preferred technical solution, the workflow of the technical solution is described as follows:
[0029] Insert the mouth of the solution bottle 7 into the bottle-introducing sleeve 2, and insert the edge of the mouth of the bottle-introducing sleeve 2 into the bottom opening of the annular cavity 32. Manually push the movable rod 38 and the rubber piston 39 to input the air inside the piston cylinder 37 into the hollow silicone ring 31 along the round tube 35 and the exhaust pipe 33, forcing the hollow silicone ring 31 to expand and deform from the inside, and wrap the mouth of the solution bottle 7 to achieve sealing. At the same time, rotate the shaft 90° to make the inner round hole of the ball 34 contact the side wall of the sleeve 36, so that the gas inside the hollow silicone ring 31 will not flow back.
[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A leak-proof liquid dispenser for laboratory use, comprising a liquid dispensing piston column (1) and a solution bottle (7), characterized in that: The bottom of the liquid-separating piston column (1) is fixed with a bottle mouth sleeve (2) sleeved on the bottle mouth of the solution bottle (7), the left side wall of the liquid-separating piston column (1) is fixed with a liquid outlet conduit (6), and the right side wall of the liquid-separating piston column (1) is provided with an end face leak-proof component (3) penetrating into the inner cavity of the bottle mouth sleeve (2); The end surface leak-proof component (3) comprises a hollow silicone ring (31) fixed in the inner cavity of the bottle mouth sleeve (2) and wrapping the outer ring of the bottle mouth of the solution bottle (7), and a piston cylinder (37) fixed on the right side wall of the liquid separation piston column (1); wherein a rubber piston (39) is movably arranged inside the piston cylinder (37), and a movable rod (38) is fixed on the top of the rubber piston (39); A circular tube (35) is passed through the bottom of the rear side wall of the piston cylinder (37), a collar (36) is fixed to the inner cavity of the circular tube (35), a spherical ball (34) is rotatably arranged inside the collar (36), and a circular hole coaxial with the collar (36) is opened inside the spherical ball (34), and an exhaust pipe (33) penetrating into the inner cavity of the hollow silicone ring (31) is fixed to one end of the circular tube (35) away from the piston cylinder (37).
2. A laboratory leak-proof dispenser according to claim 1, characterized in that: The interior of the hollow silicone ring (31) is hollow, and the top surface and surrounding surfaces of the hollow silicone ring (31) are fixedly connected to the inner cavity side wall of the bottle mouth sleeve (2), wherein an annular cavity (32) is provided inside the hollow silicone ring (31) for wrapping the edge of the bottle mouth of the solution bottle (7).
3. A laboratory leak-proof dispenser according to claim 1, characterized in that: A through hole for the circular tube (35) to pass through is formed on the rear side wall of the piston cylinder (37), and circular holes are formed on the right side walls of the collar (36) and the circular tube (35). A rotating shaft is rotatably arranged inside the circular hole. One end of the rotating shaft located inside the collar (36) is fixedly connected to the right side wall of the ball (34), and one end of the rotating shaft located outside the circular tube (35) is fixedly connected to a handle.
4. A laboratory leak-proof dispenser according to claim 1, characterized in that: The diameter of the ball (34) is consistent with the inner diameter of the collar (36), and the diameter of the circular hole inside the ball (34) is 1 / 2 of the diameter of the ball (34), wherein after the ball (34) is rotated 90 degrees, the circular hole contacts the inner cavity side wall of the collar (36) for sealing.
5. A leak-proof liquid dispenser for laboratory use according to claim 1, characterized in that: The end of the exhaust pipe (33) away from the circular tube (35) passes through the bottle mouth sleeve (2) to the inner cavity of the hollow silicone ring (31), and a through hole for the exhaust pipe (33) to pass through is opened on the side wall of the hollow silicone ring (31), and the interior of the through hole is filled with sealant.
6. A leak-proof liquid dispenser for laboratory use according to claim 1, characterized in that: An L-shaped bent rod (310) is fixed to the top of the front side of the piston cylinder (37); one end of the L-shaped bent rod (310) away from the piston cylinder (37) is fixedly connected to the side wall of the liquid separation piston column (1).
7. A leak-proof liquid dispenser for laboratory use according to claim 1, characterized in that: The bottom of the liquid dispensing piston column (1) is connected to a pipette (8) extending into the interior of the solution bottle (7), a piston seal (5) is fixed to the top surface of the liquid dispensing piston column (1), and a volume adjustment slider (4) is provided on the rear surface of the liquid dispensing piston column (1).