CN216695802U - Connector for water bath concentration - Google Patents

Abstract

The utility model discloses a connector for water bath concentration, which comprises a sealing head and an air pumping head, wherein the sealing head comprises a clamping end and a connecting end, the clamping end is detachably connected with a water bath pipe, the clamping end is provided with a connecting through hole, the connecting end is tubular and is fixedly arranged at the connecting through hole on the clamping end, the connecting end is used for connecting the air pumping head, and the air pumping head is used for connecting an external negative pressure device so as to pump air to the water bath pipe through the connecting through hole. To sum up, the technical scheme has the following beneficial effects: this a connector mainly used for water bath is concentrated connects negative pressure equipment, during the use, sealed head can conveniently be connected at the opening part of water bath pipe, and the water bath pipe is the test tube or other containers that can be used for concentrating, then will take out gas head and sealed first connection, connects negative pressure equipment's trachea again and takes out overhead alright carry out the negative pressure concentration to the water bath pipe to solved and be difficult to blow the problem of getting rid of with nitrogen to high boiling point solvent sample such as containing methyl alcohol, acetonitrile.

Description

Connector for water bath concentration

Technical Field

The utility model relates to the field of water bath concentration, in particular to a connector for water bath concentration.

Background

The existing water bath concentration is mostly finished by nitrogen blowing, and a nitrogen blowing instrument is widely applied to the fields of food safety, medicines, pesticide residue detection, clinical drug substitution and the like. In a large amount of analysis works, particularly in the field of environmental pollutants and food safety analysis, in order to obtain a trace amount of target components, a sample to be detected needs to be pretreated, the process mainly comprises the basic steps of sample extraction, concentration, purification, reconcentration and the like, wherein the concentration is to remove a solvent in the sample, and the concentration effect is not good when nitrogen is blown to a sample containing high boiling point solvents such as methanol, acetonitrile and the like, so that the concentration needs to be accelerated in a negative pressure mode, and a corresponding connection structure is also needed.

In combination with the above, it is the question of the present application how to provide a structure that helps to accelerate the concentration.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the connector for water bath concentration, the connector for water bath concentration can conveniently connect a water bath pipe and an air pipe together, a convenient connecting structure is provided for water bath negative pressure concentration, and the connector has good sealing performance.

In order to realize the purpose, the following technical scheme is provided:

the utility model provides a connector for water bath is concentrated, its is including sealed head and head of bleeding, and sealed head is including pressing from both sides tight end and link, and the tight end of clamp can be dismantled with the water bath pipe and be connected, and connect through hole has been seted up to tight end of clamp, and the link is tubulose and fixed the connecting through hole department that sets up on pressing from both sides tight end, and the link is used for connecting the head of bleeding, and the head of bleeding is used for connecting outside negative pressure device to bleed to the water bath pipe through connect through hole.

To sum up, the above technical scheme has the following beneficial effects: this a connector mainly used for water bath is concentrated connects negative pressure equipment, during the use, sealed head can conveniently be connected at the opening part of water bath pipe, and the water bath pipe is the test tube or other containers that can be used for concentrating, then will take out gas head and sealed first connection, connects negative pressure equipment's trachea again and takes out overhead alright carry out the negative pressure concentration to the water bath pipe to solved and be difficult to blow the problem of getting rid of with nitrogen to high boiling point solvent sample such as containing methyl alcohol, acetonitrile.

Drawings

FIG. 1 is a schematic structural diagram of a connecting head for water bath concentration;

FIG. 2 is a schematic view of a sealing head of a connecting head for concentration in a water bath;

FIG. 3 is a schematic view of a water bath box structure of a connector for water bath concentration;

FIG. 4 is a schematic view of an adjusting ring structure of a connector for concentration in a water bath;

FIG. 5 is a schematic view of a clamping end of a connector for water bath concentration;

FIG. 6 is a schematic view of a suction head structure of a connector for water bath concentration.

Reference numerals: 10. a sealing head; 11. a clamping end; 111. a clamping sleeve; 1111. a top cover; 1112. a surrounding wall; 1113. a clip; 1114. an external thread; 112. an adjusting ring; 1121. an internal thread; 1122. a protrusion; 12. a connecting end; 13. a connecting through hole; 14. a rubber ring; 20. an air pumping head; 21. an insertion end; 22. a negative pressure end; 30. a water bath box; 31. a water bath; 40. a separator disc; 41. a placement port; 42. a card slot; 50. and (4) a water bath tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and fig. 2, a connector for water bath concentration comprises a sealing head 10 and an air suction head 20, wherein the sealing head 10 comprises a clamping end 11 and a connecting end 12, the clamping end 11 is detachably connected with a water bath tube 50, the clamping end 11 is provided with a connecting through hole 13, the connecting end 12 is tubular and is fixedly arranged at the connecting through hole 13 on the clamping end 11, the connecting end 12 is used for connecting the air suction head 20, and the air suction head 20 is used for connecting an external negative pressure device, so that air is sucked into the water bath tube 50 through the connecting through hole 13. This a connector mainly used for water bath is concentrated connects negative pressure equipment, during the use, sealed head 10 can conveniently be connected at the opening part of water bath pipe 50, and water bath pipe 50 is the test tube or other containers that can be used for concentrating, then will take out gas head 20 and sealed head 10 and connect, again with negative pressure equipment's trachea connection alright carry out the negative pressure concentration to water bath pipe 50 on taking out gas head 20.

As shown in fig. 3, the clamping end 11 includes a clamping sleeve 111 and an adjusting ring 112, the clamping sleeve 111 is configured to be sleeved on a pipe orifice of the water bath pipe 50, the adjusting ring 112 is configured to adjust an aperture of the clamping sleeve 111, so as to clamp the water bath pipe 50, the connecting through hole 13 is disposed on the clamping sleeve 111, and the connecting end 12 is fixedly disposed at the connecting through hole 13 on the clamping sleeve 111. The adjusting ring 112 is detachably connected with the clamping sleeve 111, the aperture of the adjusting ring 112 is fixed, and the inner diameter of the clamping sleeve 111 can be adjusted by moving the adjusting ring 112 up and down on the clamping sleeve 111, so that the water bath pipe 50 is clamped or the water bath pipe 50 is loosened.

As shown in fig. 4, the clamping sleeve 111 includes a top cover 1111, a surrounding wall 1112 and a plurality of clamping pieces 1113, the top cover 1111 is disposed on the surrounding wall 1112, the plurality of clamping pieces 1113 are uniformly disposed on the lower edge of the surrounding wall 1112, the clamping pieces 1113 are in a sector shape equal to the curvature of the surrounding wall 1112, the upper end of the clamping pieces 1113 is equal to the thickness of the lower edge of the surrounding wall 1112, the thickness of the lower end of the clamping pieces 1113 is greater than that of the upper end, the aperture of the adjusting ring 112 is equal to the outer diameter of the surrounding wall 1112, when the clamping sleeve 111 moves from the upper end to the lower end of the clamping pieces 1113, the clamping pieces 1113 gradually contract towards the inner side of the surrounding wall 1112, thereby clamping the water bath pipe 50; the connecting through hole 13 is formed in the top cover 1111, and the connecting end 12 is fixedly formed at the connecting through hole 13 of the top cover 1111. The junction of the clamping piece 1113 and the surrounding wall 1112 can be slightly bent to allow the clamping piece 1113 to move, and the clamping pieces 1113 get closer together as the adjusting ring 112 moves toward the lower end of the clamping piece 1113.

An internal thread 1121 is formed on the inner side wall of the adjusting ring 112, an external thread 1114 matched with the internal thread 1121 is formed on the outer side of each clamping piece 1113, and the adjusting ring 112 is matched with the external thread 1114 on each clamping piece 1113 through the internal thread 1121 so as to control the contraction of the clamping pieces 1113. When the water bath pipe clamping device is used, the surrounding wall 1112 is sleeved on the water bath pipe 50, the adjusting ring 112 penetrates through the upper portion of the surrounding wall 1112, then the adjusting ring 112 is rotated to tighten the clamping pieces 1113 to clamp the water bath pipe 50, and the clamping pieces 1113 can be tightened more laborsavingly through the threaded fit of the adjusting ring 112 and the clamping pieces 1113.

Two protrusions 1122 for rotation extend from the outer side wall of the adjustment ring 112. The protrusions 1122 may facilitate manual rotation of the adjustment ring 112.

The inner side wall of the wall 1112 and the inner side of each clip 1113 are provided with a resilient sealing layer. The elastic sealing layer is a rubber layer or other materials capable of playing a role in sealing.

As shown in FIG. 5, the suction head 20 comprises an insertion end 21 and a negative pressure end 22 which are communicated, the insertion end 21 is used for being inserted into the water bath tube 50 through the connecting end 12, and the negative pressure end 22 is used for being connected with a pipeline of an external negative pressure device. A rubber ring 14 is provided in the connecting end 12. After the insertion end 21 is inserted into the water bath tube 50, the negative pressure device sucks air in the water bath tube 50 through the negative pressure end 22, when the insertion end 21 is pulled out, the rubber ring 14 in the connecting end 12 can isolate the water bath tube 50 from external connection, and the interior of the water bath tube 50 is kept in a negative pressure state, so that the concentration of a sample can be accelerated in the water bath tube 50 when the negative pressure device is not connected.

As shown in fig. 6, the water bath tube 50 is disposed in the water bath box 30 for heating and concentrating in a water bath, the water bath box 30 is provided with a water bath 31, a separation disc 40 is disposed in the water bath 31, a plurality of placing holes 41 are disposed on the separation disc 40, the water bath tube 50 is disposed in the water bath 31 through the placing holes 41, and a heater is disposed at the bottom of the water bath 31 for heating water in the water bath 31 to heat and concentrate the water bath tube 50. A plurality of water bath pipes 50 can be placed on the separation disc 40, and each water bath pipe 50 is connected with a negative pressure device through a connector.

The separation disc 40 is provided with two clamping grooves 42 at each placing port 41, and the two clamping grooves are communicated with the placing ports 41. The clamping groove 42 is matched with the protrusion 1122, the water bath pipe 50 is placed at the inner opening of the placing opening 41, the protrusion 1122 is embedded into the device clamping groove 42, and the clamping piece 1113 can be folded by rotating the surrounding wall 1112 to clamp the water bath pipe 50.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (8)

1. The utility model provides a connector for water bath is concentrated, a serial communication port, including sealed head (10) and air exhaust head (20), sealed head (10) are including pressing from both sides tight end (11) and link (12), press from both sides tight end (11) and can dismantle with water bath pipe (50) and be connected, connect through hole (13) have been seted up in tight end (11) of clamp, link (12) are tubulose and fixed connect through hole (13) department of setting on pressing from both sides tight end (11), link (12) are used for connecting air exhaust head (20), air exhaust head (20) are used for connecting outside negative pressure device to air exhaust water bath pipe (50) through connect through hole (13).

2. The connecting joint for water bath concentration according to claim 1, wherein the clamping end (11) comprises a clamping sleeve (111) and an adjusting ring (112), the clamping sleeve (111) is used for being sleeved on the pipe orifice of the water bath pipe (50), the adjusting ring (112) is used for adjusting the caliber of the clamping sleeve (111) so as to clamp the water bath pipe (50), the connecting through hole (13) is arranged on the clamping sleeve (111), and the connecting end (12) is fixedly arranged at the connecting through hole (13) on the clamping sleeve (111).

3. A connecting head for water bath concentration according to claim 2, wherein the clamping sleeve (111) comprises a top cover (1111), a surrounding wall (1112) and a plurality of clamping pieces (1113), the top cover (1111) is arranged on the surrounding wall (1112), the plurality of clamping pieces (1113) are uniformly arranged on the lower edge of the surrounding wall (1112), the clamping pieces (1113) are in a fan shape with the same curvature as the surrounding wall (1112), the upper end of the clamping pieces (1113) is equal to the thickness of the lower edge of the surrounding wall (1112), the thickness of the lower end of the clamping pieces (1113) is larger than that of the upper end, the aperture of the adjusting ring (112) is equal to the outer diameter of the surrounding wall (1112), and when the clamping sleeve (111) moves from the upper end to the lower end of the clamping pieces (1113), the clamping pieces (1113) gradually shrink towards the inner side of the surrounding wall (1112), thereby clamping the water bath pipe (50); the connecting through hole (13) is arranged on the top cover (1111), and the connecting end (12) is fixedly arranged at the connecting through hole (13) on the top cover (1111).

4. The connecting head for concentration in water bath according to claim 3, wherein an inner thread (1121) is provided on the inner side wall of the adjusting ring (112), an outer thread (1114) matched with the inner thread (1121) is provided on the outer side of each clamping piece (1113), and the adjusting ring (112) is matched with the outer thread (1114) on each clamping piece (1113) through the inner thread (1121) so as to control the contraction of the clamping pieces (1113).

5. A connecting head for concentration in water bath according to any of claims 2 to 4, wherein two protrusions (1122) for rotation extend from the outer side wall of the adjusting ring (112).

6. Connector for water bath concentration according to claim 3 or 4, characterized in that the inner side wall of the surrounding wall (1112) and the inner side of each clip (1113) are provided with an elastic sealing layer.

7. Connector for water bath concentration according to any one of claims 1 to 4, wherein the air pumping head (20) comprises an insertion end (21) and a negative pressure end (22) which are communicated, the insertion end (21) is used for being inserted into the water bath pipe (50) through the connecting end (12), and the negative pressure end (22) is used for being connected with a pipeline of an external negative pressure device.

8. Connector for water bath concentration according to claim 7, characterized in that a rubber ring (14) is arranged in the connecting end (12).

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