Test tube rack for nitrogen blowing concentrator

Abstract

The utility model relates to the technical field of test tube racks for nitrogen blowing concentrators, and discloses a test tube rack for a nitrogen blowing concentrator, which comprises a water bath box and a blowing component, mounting columns are fixedly arranged on the upper and lower end faces of the blowing component in a penetrating manner, and a mounting device is arranged in the water bath box and comprises a mounting part. According to the test tube rack for the nitrogen blowing concentrator, by arranging the test tube rack, the first test tube hole, the clamping plate, the sliding rod, the operating rod, the positioning sliding block, the first spring and the second test tube hole, a conventional test tube is placed in the first test tube hole, an unconventional test tube is placed in the second test tube hole, and the clamping plate is used for clamping and positioning the test tube by utilizing the elastic force of the first spring; the device can be used for clamping and positioning test tubes with various specifications; by arranging an elastic clamping plate and a limiting sliding rod, the test tube rack is convenient to mount and dismount by utilizing the elastic clamping plate, and the test tube rack and the air blowing assembly rotate simultaneously by utilizing the limiting sliding rod, so that the air blowing pipe is always aligned with the center of the test tube hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen blow concentrator technology field, concretely is nitrogen blow concentrator for test -tube rack. BACKGROUND

[0002] Nitrogen blow concentrator adopts nitrogen gas heating mode, imports gas through heat preservation heat pipe, and is simultaneously used to each sample pipe, and nitrogen gas is used to carry out purging at the top, and the use of inert gas to carry out purging can prevent sample oxidation, make the organic solvent heated in the test tube rapidly evaporate and reach the purpose of letting sample concentrate quickly.

[0003] Chinese patent discloses a kind of water bath nitrogen blow instrument, and the publication number is CN221148266U, including: base, for no top cover shell, support block is equipped in base inner bottom face center, recess is equipped in the center of support block top, water bath tank is equipped in base, gas distribution device is equipped on the outer wall of base;Water bath tank inside is equipped with test tube rack body, top plate is equipped on test tube rack body top, a plurality of through holes are equipped on top plate, horizontal transverse plate is arranged in the middle of test tube rack body, a plurality of test tube placing grooves are equipped on the transverse plate, and the bottom of placing groove is arc shape and extends to the lower of transverse plate, and it corresponds with through hole in vertical direction and equal in diameter;Fixed rod is penetrated in the middle of test tube rack body, fixed plate is equipped outside test tube rack body where fixed rod extends, a plurality of blow needle tubes are equipped on fixed plate, and blow needle tube is communicated with gas distribution device;Adjusting device is equipped on the both sides of test tube rack body, and is connected with the side of transverse plate;The technical problem that existing water bath nitrogen blow instrument cannot effectively fix different height test tubes is solved.

[0004] But still include following shortcoming: device uses test tube rack body to install and place test tube, but test tube rack placing groove shape is fixed, cannot be adjusted according to the thickness of test tube, and it is inconvenient to place test tubes of different thicknesses.For this reason, we propose a kind of test tube rack for nitrogen blow concentrator to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of test tube rack for nitrogen blow concentrator to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of test tube rack for nitrogen blow concentrator, including water bath box and blow gas component, the fixed penetration of installation column is set up on the upper and lower end surface of blow gas component, the bottom surface of installation column extends to the inside of water bath box and is fixedly connected with the inner wall of water bath box, installation device is arranged in the inside of water bath box, and the installation device includes installation part;

[0007] The mounting part comprises a limiting sliding rod, a test tube rack, a clamping plate, a sliding rod and a positioning sliding block, the top surface of the test tube rack is provided with a first test tube hole and a second test tube hole, the outer surface of the sliding rod is fixedly connected with the outer surface of the clamping plate, the sliding rod is sleeved on the outer surface of the positioning sliding block, the top surface of the positioning sliding block is fixedly connected with the inner wall of the test tube rack, and the outer surface of the limiting sliding rod is fixedly connected with the outer surface of the mounting column.

[0008] The water bath box is internally provided with a lifting part;

[0009] The lifting part comprises an annular sliding rail, a connecting rod and a limiting piece, the outer surface of the annular sliding rail is fixedly connected with the outer surface of the connecting rod, the outer surface of the connecting rod is provided with a clamping hole, and the outer surface of the limiting piece is sequentially and slidingly penetrated through the right end surface of the water bath box and the clamping hole and extends to the left side of the connecting rod.

[0010] Further improvement lies in that the mounting part further comprises an elastic clamping plate, an operating rod and a first spring, the outer surface of the test tube rack is provided with a clamping groove, the elastic clamping plate is arranged in the clamping groove, the right end surface of the elastic clamping plate at the rear is fixedly connected with the left end surface of the right test tube rack, the left end surface of the elastic clamping plate at the front is fixedly connected with the right end surface of the left test tube rack, and the elastic clamping plate is arranged, so that the two test tube racks are conveniently spliced.

[0011] Further improvement lies in that the top end of the first spring is fixedly connected with the inner wall of the positioning sliding block, and the bottom end of the first spring is fixedly connected with the inner wall of the middle end of the sliding rod, the clamping plate, the first spring, the sliding block and the sliding rod are arranged, the elastic force of the first spring is utilized, and the clamping plate clamps the test tube.

[0012] Further improvement lies in that the top surface of the test tube rack is provided with a through groove, the outer surface of the operating rod is fixedly connected with the inner wall of the sliding rod, the outer surface of the top end of the operating rod is slidingly penetrated through the through groove and extends to above the test tube rack, the operating rod is arranged, the sliding rod is driven to move by pushing the operating rod, the operating rod is moved to the other end of the through groove, the first spring is first compressed, then is elongated to the side of the operating rod, the three clamping plates below the same second test tube hole are away from each other, and the test tube is conveniently placed.

[0013] Further improvement lies in that the test tube rack is sleeved on the outer surface of the mounting column, and the inner wall of the test tube rack is slidingly connected with the outer surface of the limiting sliding rod, the limiting sliding rod is arranged, and the test tube rack and the blowing assembly are conveniently synchronously rotated.

[0014] Further improvement lies in that the bottom surface of the test tube rack is provided with a sliding groove, the top end of the annular sliding rail extends to the inside of the sliding groove and is slidingly connected with the inner wall of the sliding groove, and the annular sliding rail is arranged, so that the test tube rack is conveniently supported.

[0015] Further improvement lies in that the lifting part further comprises a second spring, the right end of the second spring is fixedly connected with the inner wall of the limiting piece, and the left end of the second spring is fixedly connected with the right end surface of the water bath box, through the limiting piece, the second spring and the connecting rod, the height of the test tube rack can be changed.

[0016] Compared with the prior art, the nitrogen blowing concentrator test tube rack has the beneficial effects that: the conventional test tube is placed in the first test tube hole, the unconventional test tube is placed in the second test tube hole, the clamping plate clamps and positions the test tube by the elastic force of the first spring, so that the device can clamp and position test tubes of various specifications; the elastic clamping plate is convenient for mounting and dismounting the test tube rack, and the limiting slide rod is used to rotate the test tube rack and the blowing assembly at the same time, so that the blowing pipe is always aligned with the center of the test tube hole; the limiting piece is used to position the connecting rod and the annular slide rail, and the annular slide rail is used to drag the test tube rack, and the rotation of the test tube rack is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the installation device of the utility model;

[0018] Figure 2 It is a three-dimensional structure partial sectional view of the installation device of the utility model;

[0019] Figure 3 It is Figure 2 It is an enlarged view of structure A in the middle;

[0020] Figure 4 It is a three-dimensional structure top sectional view of the installation part of the utility model;

[0021] Figure 5 It is an installation part local structure explosion drawing of the utility model.

[0022] In the drawing: 1 water bath box, 2 installation column, 3 blowing assembly, 4 installation device, 41 installation part, 42 lifting part, 411 limiting slide rod, 412 test tube rack, 413 first test tube hole, 414 elastic clamping plate, 415 clamping plate, 416 slide rod, 417 operating rod, 418 positioning slide block, 419 first spring, 410 second test tube hole, 421 annular slide rail, 422 connecting rod, 423 limiting piece, 424 second spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a test tube rack for nitrogen blowing concentration instrument, including water bath box 1 and blowing assembly 3, the upper and lower end surface fixed penetration of blowing assembly 3 is provided with installation column 2, and the bottom surface of installation column 2 extends to the inside of water bath box 1 and is fixedly connected with the inner wall of water bath box 1, and the inside of water bath box 1 is provided with mounting device 4, and mounting device 4 includes installation part 41;

[0025] The installation part 41 includes a limiting slide rod 411, a test tube rack 412, a clamping plate 415, a slide rod 416, and a positioning sliding block 418. The top surface of the test tube rack 412 is provided with a first test tube hole 413 and a second test tube hole 410. The outer surface of the slide rod 416 is fixedly connected with the outer surface of the clamping plate 415. The slide rod 416 is slidingly sleeved on the outer surface of the positioning sliding block 418. The top surface of the positioning sliding block 418 is fixedly connected with the inner wall of the test tube rack 412. The outer surface of the limiting slide rod 411 is fixedly connected with the outer surface of the installation column 2. The installation part 41 further includes an elastic clamping plate 414, an operating rod 417, and a first spring 419.

[0026] The top surface of the test tube rack 412 is provided with a through slot. The outer surface of the operating rod 417 is fixedly connected with the inner wall of the slide rod 416. The top end outer surface of the operating rod 417 slidingly penetrates the through slot and extends above the test tube rack 412. The outer surface of the test tube rack 412 is provided with a clamping groove. The elastic clamping plate 414 is arranged in the clamping groove. The right end surface of the rear elastic clamping plate 414 is fixedly connected with the left end surface of the right test tube rack 412. The left end surface of the front elastic clamping plate 414 is fixedly connected with the right end surface of the left test tube rack 412.

[0027] The top end of the first spring 419 is fixedly connected with the inner wall of the positioning sliding block 418. The bottom end of the first spring 419 is fixedly connected with the inner wall of the middle end of the slide rod 416. By arranging the test tube rack 412, the first test tube hole 413, the clamping plate 415, the slide rod 416, the operating rod 417, the positioning sliding block 418, the first spring 419, and the second test tube hole 410, the conventional test tube is placed in the first test tube hole 413, and the unconventional test tube is placed in the second test tube hole 410. The elastic force of the first spring 419 allows the clamping plate 415 to clamp and position the test tube, so that the device can clamp and position test tubes of various specifications.

[0028] The test tube rack 412 is sleeved on the outer surface of the mounting column 2, the inner wall of the test tube rack 412 is in sliding connection with the outer surface of the limiting slide rod 411, the elastic clamping plate 414 is arranged, the test tube rack 412 is convenient to install and disassemble, the limiting slide rod 411 is arranged, the test tube rack 412 and the blowing assembly 3 are rotated at the same time, and the blowing pipe is always aligned with the center of the test tube hole;

[0029] The water bath box 1 is internally provided with a lifting part 42;

[0030] The lifting part 42 comprises an annular slide rail 421, a connecting rod 422 and a limiting piece 423, the outer surface of the annular slide rail 421 is fixedly connected with the outer surface of the connecting rod 422, the outer surface of the connecting rod 422 is provided with a clamping hole, the outer surface of the left end of the limiting piece 423 is sequentially in sliding penetration through the right end surface of the water bath box 1 and the clamping hole and extends to the left side of the connecting rod 422, and the lifting part further comprises a second spring 424;

[0031] The right end of the second spring 424 is fixedly connected with the inner wall of the limiting piece 423, and the left end of the second spring 424 is fixedly connected with the right end surface of the water bath box 1;

[0032] The bottom surface of the test tube rack 412 is provided with a sliding groove, the outer surface of the top end of the annular slide rail 421 extends to the inside of the sliding groove and is in sliding connection with the inner wall of the sliding groove, the limiting piece 423 is arranged on the connecting rod 422 and the annular slide rail 421, the annular slide rail 421 drags the test tube rack 412, and the rotation of the test tube rack 412 is not affected.

[0033] In use, the conventional test tube is placed in the first test tube hole 413, the operating rod 417 is moved away from the positioning sliding block 418, the first spring 419 is compressed and then elongated, the bottom end of the first spring 419 faces the side of the operating rod 417, the three clamping plates 415 below the same second test tube hole 410 are away from each other, the unconventional test tube is placed in the second test tube hole 410, the operating rod 417 is moved close to the positioning sliding block 418, the clamping plates 415 are clamped and positioned on the test tube by the elastic force of the first spring 419, and the blowing operation can be performed by the blowing assembly 3.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A test tube rack for nitrogen blow concentrator, comprising a water bath box (1) and a blowing assembly (3), characterized in that: The installation column (2) is fixedly arranged through the upper and lower end faces of the blowing assembly (3), the bottom face of the installation column (2) extends to the inside of the water bath box (1) and is fixedly connected with the inner wall of the water bath box (1), and the inside of the water bath box (1) is provided with an installation device (4); The installation device (4) comprises an installation part (41); The inside of the water bath box (1) is provided with a lifting part (42); The lifting part (42) comprises an annular slide rail (421), a connecting rod (422) and a limiting piece (423), the outer surface of the annular slide rail (421) is fixedly connected with the outer surface of the connecting rod (422), the outer surface of the connecting rod (422) is provided with a clamping hole, and the outer surface of the left end of the limiting piece (423) is sequentially and slidingly arranged through the right end face of the water bath box (1) and the clamping hole and extends to the left side of the connecting rod (422).

2. The test tube rack for nitrogen blow concentrator according to claim 1, characterized in that: The installation part (41) further comprises an elastic clamping plate (414), an operating rod (417) and a first spring (419), the outer surface of the test tube rack (412) is provided with a clamping groove, the elastic clamping plate (414) is arranged in the clamping groove, the right end face of the rear elastic clamping plate (414) is fixedly connected with the left end face of the right test tube rack (412), and the left end face of the front elastic clamping plate (414) is fixedly connected with the right end face of the left test tube rack (412).

3. The test tube rack for a nitrogen blow concentrator according to claim 2, characterized by: The top end of the first spring (419) is fixedly connected with the inner wall of the positioning sliding block (418), and the bottom end of the first spring (419) is fixedly connected with the inner wall of the middle end of the sliding rod (416).

4. The test tube rack for nitrogen blow concentrator according to claim 2, characterized in that: The top face of the test tube rack (412) is provided with a through groove, the outer surface of the operating rod (417) is fixedly connected with the inner wall of the sliding rod (416), and the top end of the operating rod (417) is slidingly arranged through the through groove and extends above the test tube rack (412).

5. The test tube rack for nitrogen blow concentrator according to claim 1, characterized in that: The test tube rack (412) is slidingly arranged on the outer surface of the installation column (2), and the inner wall of the test tube rack (412) is slidingly connected with the outer surface of the limiting sliding rod (411).

6. The test tube rack for nitrogen blow concentrator according to claim 1, characterized in that: The bottom face of the test tube rack (412) is provided with a sliding groove, and the top end of the annular slide rail (421) extends to the inside of the sliding groove and is slidingly connected with the inner wall of the sliding groove.

7. The test tube rack for nitrogen blow concentrator according to claim 1, characterized in that: The lifting part further comprises a second spring (424), the right end of the second spring (424) is fixedly connected with the inner wall of the limiting piece (423), and the left end of the second spring (424) is fixedly connected with the right end face of the water bath box (1).

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