Plug pulling device for concave inner plug of reagent bottle

Abstract

The utility model belongs to the technical field of experimental detection tools, and discloses a plug pulling device for a concave inner plug of a reagent bottle. The device comprises a handle, a positioning rod is connected to the center of the handle, a piston rod is arranged in the positioning rod, a button is arranged at one end of the piston rod, an air cushion is arranged at the other end of the piston rod, a guide rod is arranged at the end, away from the handle, of the positioning rod, and an air bag is arranged in the guide rod. A positioning mechanism is further arranged on the outer side of the positioning rod; and a plug lifting mechanism is arranged on the outer side of the guide rod. A plug lifting tip on the inner side of the positioning bulge can be inserted into the joint of the concave inner plug and the bottle opening of the reagent bottle through the plug lifting mechanism, and then the air cushion is downwards extruded through the button, so that the interior of the air bag is inflated to fill a groove in the top of the inner plug, and the plug lifting mechanism is upwards driven to pull out the concave inner plug through upwards lifting the handle. A worker does not need to directly contact the reagent bottle, so that the problems of reagent splashing, hand injury and reagent bottle rollover or fragmentation are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental detection tools, in particular to a cork removing device for a concave inner plug of a reagent bottle. Background Technique

[0002] In factories, schools, and research unit laboratories, various chemical reagents are used. To ensure the sealing effect, a plastic concave inner plug is usually set at the bottle mouth of the reagent bottle. Due to its tight fit with the bottle mouth, it is always difficult to open, especially when opening the inner lid containing strongly corrosive reagents such as concentrated sulfuric acid, concentrated hydrochloric acid, and glacial acetic acid. Strongly corrosive or highly toxic liquids require more caution. Uneven force or improper opening during opening may cause the reagent bottle to tip over or collide and tilt. Using scissors to open may also cause the bottle mouth to break, posing risks and endangering the safety of the opener.

[0003] The conventional opening method is to habitually pick open the inner lid with the hand, but this method has great defects and drawbacks: First, the inner lid is generally very firm, and it is very laborious to pick it open with the hand, with uneven force and easy to hurt the hand; Second, there is no good fixing method when opening with the hand, and the reagent in the bottle is likely to splash out instantly during opening; Third, if it is a reagent bottle containing strongly corrosive or other toxic and harmful reagents, there is a great risk when opening with the hand. Inevitably, when opening the inner lid of these reagent bottles, it will get on the hands or other parts of the body, causing harm to our skin or damaging clothes and other adverse consequences. The most terrifying thing is that due to uneven picking force during opening, or uneven force when using scissors to open, the reagent bottle may tip over or break, resulting in strongly corrosive or highly toxic liquid splashing on the hands and body, bringing unexpected injuries or even disasters. Even if we use some tools (such as scissors, etc.) to assist in opening the inner lid of the bottle mouth, there is still a risk of damaging the inner lid, and if the reagent in the bottle gets on the tools, since these tools do not have the ability to resist corrosion, it will greatly reduce the lifespan of these tools, causing no small trouble to our safe and efficient experiments in the laboratory. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cork removing device for a concave inner plug of a reagent bottle to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution:

[0006] A cork removing device for a concave inner plug of a reagent bottle, including a handle, a positioning rod is connected to the center of the handle, a piston rod is arranged inside the positioning rod, a button is arranged at one end of the piston rod, an air cushion is arranged at the other end of the piston rod, a guide rod is arranged at the end of the positioning rod away from the handle, an airbag is arranged inside the guide rod, and a positioning mechanism is further arranged outside the positioning rod;

[0007] An unplugging mechanism is provided outside the guiding rod. The unplugging mechanism includes a pressing ring arranged at the end of the guiding rod. A plurality of connecting rods are evenly hinged to the bottom of the pressing ring, and positioning protrusions are arranged on the inner sides of the bottoms of each of the connecting rods.

[0008] Further preferably, the positioning mechanism includes a connecting ring screwed on the outside of the positioning rod. Hinge blocks are symmetrically arranged on the surface of the connecting ring. A support rod is connected to the outside of the hinge block, and the other end of the support rod is connected to a clamping ring through a hinge shaft.

[0009] Further preferably, the clamping ring is composed of two semi-circular telescopic rods, and locking buckles are arranged at the joints of the two telescopic rods.

[0010] Further preferably, the locking buckle includes a fixed part arranged on the outside of the left telescopic rod and a movable part arranged on the outside of the right telescopic rod. The fixed part and the movable part are fixedly connected by clamping.

[0011] Further preferably, the inside of the positioning rod is a hollow structure, and the inner cavity of the positioning rod is tightly attached to the outer circle of the air cushion.

[0012] Further preferably, the guiding rod is fixedly connected to one end of the positioning rod away from the handle by screwing.

[0013] Further preferably, the connecting rod and the positioning protrusion are movably connected by a hinge shaft, and a plugging tip is arranged on the side of the positioning protrusion away from the connecting rod.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] Through the unplugging mechanism, the plugging tip inside the positioning protrusion can be inserted into the connection between the concave inner plug and the reagent bottle mouth. Then, by pressing the air cushion downward through the button, the airbag is inflated, filling the groove at the top of the inner plug. By lifting the handle upward, the unplugging mechanism is driven upward, and the concave inner plug is pulled out. It is also possible to install the positioning mechanism on the outside of the positioning rod and connect the clamping ring at its bottom to the outside of the reagent bottle. Through the action of the thread, the whole positioning rod is driven to move upward, thereby pulling out the concave inner plug. The above methods do not require the staff to directly contact the reagent bottle, avoiding phenomena such as reagent splashing, hand injury, reagent bottle tipping over or breaking. The safety is relatively high and it is convenient for the staff to use. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the structural schematic diagram of the positioning mechanism of the present utility model;

[0018] Figure 3 Structural schematic diagram of the stopper removing mechanism of the present utility model

[0019] In the figure: 1. Handle; 2. Positioning rod; 3. Button; 4. Piston rod; 5. Air cushion; 6. Guide rod; 7. Airbag; 8. Compression ring; 9. Connecting rod; 10. Positioning protrusion; 11. Connecting ring; 12. Hinge block; 13. Support rod; 14. Clamping ring; 15. Lock; 16. Fixed part; 17. Movable part Specific implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model

[0021] Please refer to Figures 1-3 , the present utility model provides a technical solution

[0022] A stopper removing device for a concave inner stopper of a reagent bottle, comprising a handle 1, a positioning rod 2 is connected to the center of the handle 1, a piston rod 4 is arranged inside the positioning rod 2, a button 3 is arranged at one end of the piston rod 4, an air cushion 5 is arranged at the other end of the piston rod 4, a guide rod 6 is arranged at the end of the positioning rod 2 away from the handle 1, an airbag 7 is arranged inside the guide rod 6, and a positioning mechanism is further arranged outside the positioning rod 2

[0023] A stopper removing mechanism is arranged outside the guide rod 6. The stopper removing mechanism comprises a compression ring 8 arranged at the end of the guide rod 6, a plurality of connecting rods 9 are evenly hinged to the bottom of the compression ring 8, and a positioning protrusion 10 is arranged inside the bottom of each connecting rod 9

[0024] In the present utility model, the positioning mechanism comprises a connecting ring 11 screwed on the outside of the positioning rod 2, hinge blocks 12 are symmetrically arranged on the surface of the connecting ring 11, a support rod 13 is connected to the outside of the hinge block 12, and the other end of the support rod 13 is connected to a clamping ring 14 through a hinge shaft. The clamping ring 14 is composed of two semi-circular telescopic rods, and locking latches 15 are arranged at the joints of the two telescopic rods. The locking latch 15 comprises a fixed part 16 arranged on the outside of the left telescopic rod and a movable part 17 arranged on the outside of the right telescopic rod, and the fixed part 16 and the movable part 17 are fixedly connected by clamping

[0025] In the present utility model, the inside of the positioning rod 2 is a hollow structure, and the inner cavity of the positioning rod 2 is closely attached to the outer circle of the air cushion 5

[0026] In the present utility model, the guide rod 6 is fixedly connected to one end of the positioning rod 2 away from the handle 1 by screwing.

[0027] In the present utility model, the connecting rod 9 and the positioning protrusion 10 are movably connected by a hinge shaft, and a stopper tip is provided on one side of the positioning protrusion 10 away from the connecting rod 9.

[0028] Embodiment 1: During use, first select a pressing ring 8 slightly larger than the concave inner stopper, and screw the pressing ring 8 onto the end of the guide rod 6. Then, insert the stopper tip provided on the side of the positioning protrusion 10 away from the connecting rod 9 into the connection between the concave inner stopper and the reagent bottle mouth under the action of the hinge shaft. Then hold the handle 1 and press the button 3. The button 3 drives the piston rod 4 to move downward, thereby driving the air cushion 5 to squeeze downward, squeezing the air inside the positioning rod 2 into the airbag 7, so that the airbag 7 is inflated. When the airbag 7 fills the groove at the top of the inner stopper, the upper and lower ends of the concave inner stopper are evenly stressed. Finally, by lifting the handle 1 upward, the positioning rod 2 and the stopper mechanism at the end of the guide rod 6 are driven to move upward as a whole. Finally, the concave inner stopper is pulled out.

[0029] Embodiment 2: Compared with Embodiment 1, the difference in this embodiment is that: before installing the stopper mechanism, the positioning mechanism is connected to the outside of the positioning rod 2 by screwing the connecting ring 11, and then the inner diameter of the clamping ring 14 is adjusted according to the size of the reagent bottle body, so that the clamping ring 14 is clamped on the outside of the reagent bottle and fixedly connected by the lock 15 after installing the positioning mechanism. Ensure that the positioning mechanism and the reagent bottle do not move during use, and then insert the stopper tip provided on the side of the positioning protrusion 10 away from the connecting rod 9 into the connection between the concave inner stopper and the reagent bottle mouth under the action of the hinge shaft according to the process described in Embodiment 1. Then hold the handle 1 and press the button 3. The button 3 drives the piston rod 4 to move downward, thereby driving the air cushion 5 to squeeze downward, squeezing the air inside the positioning rod 2 into the airbag 7, so that the airbag 7 is inflated. When the airbag 7 fills the groove at the top of the inner stopper, the upper and lower ends of the concave inner stopper are evenly stressed. Finally, by rotating the positioning mechanism and the positioning rod 2 in opposite directions, the positioning rod 2 is driven to move upward under the action of the thread, thereby driving the stopper mechanism to move upward, and finally the concave inner stopper is pulled out.

[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A plug-removing device for a concave plug of a reagent bottle, comprising a handle (1), characterized in that: A positioning rod (2) is connected at the center of the handle (1), a piston rod (4) is arranged inside the positioning rod (2), a button (3) is arranged at one end of the piston rod (4), an air cushion (5) is arranged at the other end of the piston rod (4), a guide rod (6) is arranged at the end of the positioning rod (2) away from the handle (1), an air bag (7) is arranged inside the guide rod (6), and a positioning mechanism is also arranged on the outside of the positioning rod (2); A plugging mechanism is arranged on the outside of the guide rod (6), and the plugging mechanism comprises a clamping ring (8) arranged at the end of the guide rod (6), a plurality of connecting rods (9) are evenly hinged at the bottom of the clamping ring (8), and a positioning protrusion (10) is arranged on the inner side of the bottom of each connecting rod (9).

2. A plug-removing device for a concave inner plug of a reagent bottle according to claim 1, characterized in that: The positioning mechanism comprises a connecting ring (11) screwed to the outside of the positioning rod (2); a hinge block (12) is symmetrically arranged on the surface of the connecting ring (11); a support rod (13) is connected to the outside of the hinge block (12); and the other end of the support rod (13) is connected to a clamping ring (14) via a hinge shaft.

3. A plug-removing device for a concave inner plug of a reagent bottle according to claim 2, characterized in that: The clamping ring (14) is composed of two semicircular telescopic rods, and a lock buckle (15) is provided at the connection between the two telescopic rods.

4. A plug-removing device for a concave inner plug of a reagent bottle according to claim 3, characterized in that: The lock buckle (15) comprises a fixing member (16) arranged on the outside of the telescopic rod on the left side and a movable member (17) arranged on the outside of the telescopic rod on the right side, and the fixing member (16) and the movable member (17) are fixedly connected by a snap-fitting manner.

5. A plug-removing device for a concave inner plug of a reagent bottle according to claim 1, characterized in that: The interior of the positioning rod (2) is a hollow structure, and the inner cavity of the positioning rod (2) is tightly fitted and connected to the outer circle of the air cushion (5).

6. A plug-removing device for a concave inner plug of a reagent bottle according to claim 1, characterized in that: The guide rod (6) is fixedly connected to the end of the positioning rod (2) away from the handle (1) by means of threaded connection.

7. A plug-removing device for a concave inner plug of a reagent bottle according to claim 1, characterized in that: The connecting rod (9) and the positioning protrusion (10) are movably connected via a hinge shaft, and a plugging tip is provided on a side of the positioning protrusion (10) away from the connecting rod (9).

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