Chemical experiment connecting assembly

Abstract

The utility model discloses a chemical experiment connecting assembly, which relates to the technical field of chemical experiments, and comprises a central tube and a clamping assembly, the outer sides of the two ends of the central tube are sleeved with connecting sleeves, the clamping assembly is arranged in the connecting sleeves, and the clamping assembly comprises a knob, a rotating shaft, a bevel gear, a bevel gear ring, a threaded disc, a pressing rod, an antiskid plate and an end cover. A rotating shaft is arranged at the lower end of the knob, and a bevel gear is fixed to the bottom of the rotating shaft. According to the chemical experiment connecting assembly, through the arrangement of the clamping assembly, when a pipeline is connected, the pipeline only needs to be inserted into a connecting sleeve firstly, then a rotary knob is rotated, a threaded disc can be driven to rotate through a rotating shaft, a bevel gear and a bevel gear ring, at the moment, an end cover can limit and guide pressing rods, and therefore all the pressing rods can move in the middle at the same time; and the ends of the pipelines are clamped through the anti-skid plates, so that the ends of the pipelines do not need to be wetted in the pipeline connection process, and the convenience during pipeline connection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical experiment technical field, concretely is a chemical experiment connecting assembly. BACKGROUND

[0002] Chemical experiment connecting assembly refers to the part for connecting various devices in chemical experiment, and the main role is to guide gas or liquid from one place to another, and ensure the smooth progress of the experiment.

[0003] The overall structure of the current chemical experiment connecting assembly is relatively simple, such as using rubber tube to connect between glass tubes, and in the actual operation process, it is usually necessary to soak water, wet the connection, and then use a larger force to insert the glass pipeline into the rubber tube, so that certain conditions are required when connecting, and it is also time-consuming and laborious.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a chemical experiment connecting assembly is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a chemical experiment connecting assembly to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a chemical experiment connecting assembly, including center tube and clamping assembly, the both ends of the outer side of center tube is sleeved with connecting sleeve, and the inside of connecting sleeve is provided with clamping assembly, the clamping assembly includes knob, pivot, bevel gear, bevel gear ring, thread disc, pressure rod, antiskid plate and end cover, the lower end of knob is provided with pivot, and the bottom of pivot is fixed with bevel gear, one side of bevel gear is engaged with bevel gear ring, and one side of bevel gear ring is fixed with thread disc, one side of thread disc is slidably connected with pressure rod, and the bottom of pressure rod is fixed with antiskid plate, one side of pressure rod is slidably connected with end cover.

[0007] Further, the pivot is rotatably connected with the connecting sleeve, and the connecting sleeve is fixedly connected with the end cover.

[0008] Further, the number of pressure rods is three, and the pressure rods are equidistantly distributed about one side of the end cover.

[0009] Further, the both ends of the outer side of the center tube are provided with locking assemblies, the locking assemblies include screw sleeves and connecting plates, the both ends of the outer side of the center tube are threadedly connected with the screw sleeves, and one side of the screw sleeve is fixedly connected with the connecting plate.

[0010] Further, the connecting plate is in right angle shape, and the connecting plate is slidably connected with the connecting sleeve.

[0011] Further, the locking assembly further comprises a limiting ring, one side of the connecting plate is sleeved with the limiting ring, and the limiting ring is fixedly connected with the connecting sleeve.

[0012] Further, the locking assembly further comprises a guide block, and the two ends of the center pipe are provided with the guide block on the outer side, and the guide block is slidably connected with the connecting sleeve.

[0013] Further, the locking assembly further comprises a rubber ring, and the two ends of the center pipe are provided with the rubber ring on the inner side, and the inner side of the rubber ring is tapered.

[0014] The utility model provides a chemical experiment connecting assembly has the following beneficial effects:

[0015] 1, the utility model discloses a setting of clamping assembly, when connecting the pipeline, only need to insert the pipeline into the inside of connecting sleeve first, then rotates the knob, can drive the screw plate to rotate through the rotating shaft, bevel gear and bevel gear ring, at this moment, the end cover will limit the orientation of pressure bar, therefore can make all pressure bar move in the middle simultaneously, and the pipeline end is clamped through the antiskid plate, therefore in the process of connecting the pipeline, need not to dip water to the pipeline end, be favorable to improve the convenience when the pipeline connects, and also be convenient for fixing various thick and thin pipelines, further improve the adaptation range of equipment.

[0016] 2, the utility model discloses a setting of locking assembly, when inserting the pipeline into the end of center pipe, the sealing performance when butting can be improved through the rubber ring, and after fixing the pipeline, can also rotate the screw sleeve, make it pull guide block through connecting plate and limiting ring, make the connecting sleeve move to the center under the limitation of guide block, can improve the pressure between the pipeline end and rubber ring, further enhance the sealing performance when connecting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model kind chemical experiment connecting assembly;

[0018] Figure 2 It is the explosion structure schematic diagram of the utility model kind chemical experiment connecting assembly clamping assembly;

[0019] Figure 3 It is the locking assembly section structure schematic diagram of the utility model kind chemical experiment connecting assembly.

[0020] In the drawing: 1, center pipe;2, connecting sleeve;3, clamping assembly;301, knob;302, rotating shaft;303, bevel gear;304, bevel gear ring;305, screw plate;306, pressure bar;307, antiskid plate;308, end cover;4, locking assembly;401, screw sleeve;402, connecting plate;403, limiting ring;404, guide block;405, rubber ring. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] As shown in Figure 1 and Figure 2 , a chemical experiment connecting assembly, including center pipe 1 and clamping assembly 3, the outer side of both ends of center pipe 1 is sleeved with connecting sleeve 2, and the inside of connecting sleeve 2 is provided with clamping assembly 3, since the middle part of center pipe 1 is a soft pipe and both ends are hard pipes, thus being able to adapt to connecting pipes of various angles, clamping assembly 3 includes knob 301, shaft 302, bevel gear 303, bevel gear ring 304, threaded disc 305, pressing rod 306, anti-skid plate 307 and end cover 308, the lower end of knob 301 is provided with shaft 302, and the bottom of shaft 302 is fixed with bevel gear 303, one side of bevel gear 303 is engaged with bevel gear ring 304, and one side of bevel gear ring 304 is fixed with threaded disc 305, rotating knob 301 can drive threaded disc 305 to rotate through shaft 302, bevel gear 303 and bevel gear ring 304, one side of threaded disc 305 is slidably connected with pressing rod 306, and the bottom of pressing rod 306 is fixed with anti-skid plate 307, one side of pressing rod 306 is slidably connected with end cover 308, shaft 302 is rotatably connected with connecting sleeve 2, and connecting sleeve 2 is fixedly connected with end cover 308, end cover 308 will limit and guide pressing rod 306, the number of pressing rod 306 is three, and pressing rod 306 is equidistantly circumferentially distributed about one side of end cover 308, when all pressing rods 306 are centrally moved, the end part of the pipe can be clamped through anti-skid plate 307, which is convenient for fixing pipes of various diameters, and further improves the adaptation range of the equipment.

[0023] As shown in Figure 2 and Figure 3As shown, the outer side of the two ends of the center pipe 1 is provided with a locking assembly 4, the locking assembly 4 comprises a sleeve 401 and a connecting plate 402, the outer side of the two ends of the center pipe 1 is threadedly connected with the sleeve 401, and the sleeve 401 is fixed with the connecting plate 402 on one side, the connecting plate 402 is in a right angle shape, and the connecting plate 402 is slidably connected with the connecting sleeve 2, the sleeve 401 can drive the connecting plate 402 to move horizontally, the locking assembly 4 further comprises a limiting ring 403, the outer side of the connecting plate 402 is sleeved with the limiting ring 403, and the limiting ring 403 is fixedly connected with the connecting sleeve 2, the connecting plate 402 drives the connecting sleeve 2 to move by pulling the limiting ring 403, the locking assembly 4 further comprises a guide block 404, the outer side of the two ends of the center pipe 1 is arranged with the guide block 404, and the guide block 404 is slidably connected with the connecting sleeve 2, the guide block 404 can limit the rotating direction of the connecting sleeve 2, the locking assembly 4 further comprises a rubber ring 405, and the inner side of the two ends of the center pipe 1 is provided with the rubber ring 405, and the inner side of the rubber ring 405 is in a tapered shape, when the pipeline is inserted into the end of the center pipe 1, the sealing performance during butt joint can be improved by the rubber ring 405.

[0024] In summary, the chemical experiment connecting assembly, in use, first according to the structure shown in Figure 1 、 Figure 2 and Figure 3 , the pipeline is inserted into the end of the center pipe 1, at this time, the sealing performance during butt joint can be improved by the rubber ring 405, then the knob 301 is rotated, so that the threaded disc 305 is driven to rotate through the rotating shaft 302, the bevel gear 303 and the bevel gear ring 304, at this time, the end cover 308 limits and guides the pressing rod 306, so that all the pressing rods 306 are simultaneously moved to the center, and the pipeline end is clamped by the anti-skid plate 307, finally, the sleeve 401 is rotated, so that the connecting sleeve 2 is moved to the center under the limitation of the guide block 404 by pulling the guide block 404 through the connecting plate 402 and the limiting ring 403, so that the pressure between the pipeline end and the rubber ring 405 is increased, and the sealing performance during connection is further enhanced.

[0025] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use.

Claims

1. A chemical experiment connection assembly comprising a central tube (1) and a clamping assembly (3), characterized in that, The both ends outside of the central pipe (1) are sleeved with connecting sleeves (2), the inside of the connecting sleeves (2) is provided with clamping assemblies (3), the clamping assemblies (3) comprise knobs (301), rotating shafts (302), bevel gears (303), bevel gear rings (304), threaded discs (305), pressing rods (306), anti-skid plates (307) and end covers (308), the lower end of the knob (301) is provided with the rotating shaft (302), the bottom of the rotating shaft (302) is fixedly connected with the bevel gear (303), one side of the bevel gear (303) is engaged with the bevel gear ring (304), one side of the bevel gear ring (304) is fixedly connected with the threaded disc (305), one side of the threaded disc (305) is slidably connected with the pressing rod (306), the bottom of the pressing rod (306) is fixedly connected with the anti-skid plate (307), one side of the pressing rod (306) is slidably connected with the end cover (308).

2. A chemical experiment connecting assembly according to claim 1, characterized in that The rotating shaft (302) is rotatably connected with the connecting sleeve (2), and the connecting sleeve (2) is fixedly connected with the end cover (308).

3. A chemical experiment connecting assembly according to claim 1, characterized in that The number of the pressing rods (306) is three, and the pressing rods (306) are equidistantly and circumferentially distributed on one side of the end cover (308).

4. The chemical experiment connecting assembly according to claim 1, wherein, The both ends outside of the central pipe (1) are provided with locking assemblies (4), the locking assemblies (4) comprise screw sleeves (401) and connecting plates (402), the both ends outside of the central pipe (1) are threadedly connected with the screw sleeves (401), and one side of the screw sleeve (401) is fixedly connected with the connecting plate (402).

5. A chemical experiment connecting assembly according to claim 4, characterized in that The connecting plate (402) is in a right angle shape, and the connecting plate (402) is slidably connected with the connecting sleeve (2).

6. A chemical experiment connecting assembly according to claim 4, wherein The locking assembly (4) further comprises limiting rings (403), one side of the connecting plate (402) is sleeved with the limiting ring (403), and the limiting ring (403) is fixedly connected with the connecting sleeve (2).

7. A chemical experiment connecting assembly according to claim 6, characterized in that The locking assembly (4) further comprises guide blocks (404), the both ends outside of the central pipe (1) are provided with the guide blocks (404), and the guide blocks (404) are slidably connected with the connecting sleeve (2).

8. A chemical experiment connecting assembly according to claim 7, characterized in that The locking assembly (4) further comprises rubber rings (405), the both ends inside of the central pipe (1) are provided with the rubber rings (405), and the inside of the rubber ring (405) is in a taper shape.

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