CN217962276U

CN217962276U - Test tube placer is used in trifluoroacetic acid preparation

Info

Publication number: CN217962276U
Application number: CN202221884915.XU
Authority: CN
Inventors: 戴恒
Original assignee: Hebei Jiawei Biological Technology Co ltd
Current assignee: Hebei Jiawei Biological Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-06
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a trifluoroacetic acid preparation is with test tube placer relates to chemistry test tube and settles technical field. The utility model discloses a mount pad and rotation are installed at the rotation axostylus axostyle of inboard central authorities department of mount pad, the fixed test tube that can place the test tube that is provided with in the rotation axostylus axostyle outside settles the group frame, the mount pad end fixing is provided with and drives the hand structure of rotation axostylus axostyle pivoted. The utility model discloses compare the device with current and place in settling the stack through inserting the test tube, before needs use the reagent of test tube inside, can drive the bull stick through rotating the crank handle and rotate, drive through bevel gear group and rotate the axostylus axostyle in the inboard rotation of mount pad, the test tube that rotates the axostylus axostyle outside this moment settles the stack and will rotate in step to rock the test tube of placing on the test tube settling stack, the completion is shaken evenly, thereby more has the practicality.

Description

Test tube placer is used in trifluoroacetic acid preparation

Technical Field

The utility model relates to a technical field is settled to chemistry test tube, concretely relates to test tube placer is used in trifluoroacetic acid preparation.

Background

Trifluoroacetic acid is an organic acid commonly used in chemical laboratories, and because the carbon at the ortho-position of carboxyl is connected with 3 strong electronegative groups of fluorine atoms, the nucleophilicity of carboxylate radical is greatly reduced, so that trifluoroacetic acid is commonly used as a solvent to study the solvent effect of the reaction.

In trifluoroacetic acid's preparation process, normally need utilize all kinds of test tubes, in operation process, often need use the test tube to place the support and temporarily accomodate the test tube or place test tube and reagent for a long time.

The existing test tube placing device for preparing trifluoroacetic acid is various, but still has certain problems: current test tube placer is after accomodating the test tube, because time reason, test tube and reagent rock earlier before needs use, and a plurality of test tubes are placed simultaneously, taking the in-process, and it is very inconvenient that manual rock, and current test tube placer mostly does not set up the structure that can rock the test tube fast, can't do and rock multiunit test tube simultaneously, has caused inconvenience for the use, for solving above-mentioned problem, the utility model provides a test tube placer is used in trifluoroacetic acid preparation solves current not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem in the above background, the utility model provides a trifluoroacetic acid prepares uses test tube placer.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a test tube placing device for trifluoroacetic acid preparation comprises a mounting seat and a rotating shaft rod rotatably mounted at the center of the inner side of the mounting seat, wherein a test tube placing assembly frame capable of placing a test tube is fixedly arranged on the outer side of the rotating shaft rod, and a hand-cranking structure capable of driving the rotating shaft rod to rotate is fixedly arranged at the end part of the mounting seat;

wherein, hand structure includes hand handle, bearing piece, bull stick, bevel gear group and location bearing, the inside cavity in mount pad top, the bearing piece is fixed to be set up on the mount pad top, and bearing piece one end laminating mount pad top edge, the bull stick rotates to be installed at bearing piece inboardly, hand handle is fixed to be set up at the bull stick tip, and hand handle is located the mount pad top edge outside, the location bearing is fixed to be set up in mount pad roof central authorities, and the rotation axis pole tip rotates and installs at location bearing inboardly, bevel gear group includes two intermeshing's bevel gear, and one of them bevel gear is fixed to be set up the tip of keeping away from hand handle at the bull stick, and another bevel gear fixed cover is established on rotating the axostylus axostyle.

Further, the group frame is settled to the test tube includes position ring cover, articulated piece, settles support, restriction ring, rubber backing ring and the backing ring of preventing colliding with, the fixed cover of position ring cover is established in the rotation axostylus axostyle outside, articulated piece is fixed to be set up on position ring cover outer wall, it articulates on settling the support to settle the support, the restriction ring is a plurality of to be a set of fixed setting in settling the support outside, the rubber backing ring is fixed to be set up in the restriction ring inboard, the fixed cover of backing ring of preventing colliding with is established in the position ring cover bottom outside.

Furthermore, articulated piece is a plurality of to set up on the position ring cover outer wall for a set of encircleing, it articulates on a plurality of articulated pieces respectively for a set of a plurality of to settle the support.

Further, the test tube placing and assembling frame is arranged on the rotating shaft rod in parallel in a group.

Furthermore, an installation bottom rail is fixedly arranged on the vertical wall of the installation seat, an installation vertical frame is slidably arranged in the installation bottom rail, and a plurality of groups of parallel test tubes An Chajia are fixedly arranged on the installation vertical frame

Further, the installation rail inboard is fixed to be provided with along installation rail length direction's spacing post, two of installation grudging posts are a set of parallel arrangement inside installation rail, and spacing post passes the installation grudging post and is located the inboard support body of installation rail.

Further, the test tube inserting frame comprises a bottom plate and a limiting transverse plate, the limiting transverse plate is arranged in parallel with the bottom plate, an Chacao is arranged on the limiting transverse plate, a bottom groove opposite to the inserting groove is formed in the bottom plate, and therefore the test tube can be inserted into the bottom groove in the bottom plate through the inserting groove of the limiting transverse plate.

The beneficial effects of the utility model are as follows:

1. compared with the prior art, the utility model, the device places in settling the stack through inserting the test tube with the test tube, before needs use the reagent of test tube inside, can drive the bull stick through rotating the crank handle and rotate, drives through bevel gear's transmission and rotates the axostylus axostyle inboard the rotation of mount pad, rotates the test tube in the axostylus axostyle outside this moment and settles the stack and will rotate in step to rock the test tube of placing on the test tube settling stack, it is even to accomplish, thereby more has the practicality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1;

fig. 3 is a schematic view of another three-dimensional structure of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a sectional view taken along the line B-B in fig. 4 according to the present invention.

Reference numerals: 1. a mounting seat; 2. rotating the shaft lever; 3. the test tubes are arranged and assembled; 301. a positioning ring sleeve; 302. a hinged block; 303. arranging a bracket; 304. a confinement ring; 305. a rubber grommet; 306. a bump-proof backing ring; 4. a hand-cranking structure; 401. a hand-cranking handle; 402. a bearing block; 403. a rotating rod; 404. a bevel gear set; 405. positioning the bearing; 5. mounting a bottom rail; 6. installing a vertical frame; 7. test tube An Chajia; 701. a base plate; 702. a limiting transverse plate; 8. a limiting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1 to 5, a test tube placing device for trifluoroacetic acid preparation comprises a mounting base 1 and a rotating shaft rod 2 rotatably mounted at the center of the inner side of the mounting base 1, a test tube placing group frame 3 capable of placing a test tube is fixedly arranged at the outer side of the rotating shaft rod 2, and a hand-cranking structure 4 capable of driving the rotating shaft rod 2 to rotate is fixedly arranged at the end part of the mounting base 1;

wherein, the hand-operated structure 4 comprises a hand-operated handle 401, a bearing block 402, a rotating rod 403, a bevel gear set 404 and a positioning bearing 405, the top end of the mounting seat 1 is hollow, the bearing block 402 is fixedly arranged at the top end of the mounting seat 1, one end of the bearing block 402 is attached to the edge of the top end of the mounting seat 1, the rotating rod 403 is rotatably arranged at the inner side of the bearing block 402, the hand-operated handle 401 is fixedly arranged at the end part of the rotating rod 403, the hand-operated handle 401 is positioned at the outer side of the edge of the top end of the mounting seat 1, the positioning bearing 405 is fixedly arranged at the center of the top wall of the mounting seat 1, the end part of the rotating shaft 2 is rotatably arranged at the inner side of the positioning bearing 405, the bevel gear set 404 comprises two bevel gears which are meshed with each other, one of the bevel gears is fixedly arranged at the end part of the rotating rod 403 which is far away from the hand-operated handle 401, another bevel gear fixed cover is established on rotating axostylus axostyle 2, during the use, can utilize the test tube on the rotation axostylus axostyle 2 to settle a set frame 3 and place a plurality of test tubes, before the reagent of needs use test tube inside, if need shake evenly, then can manually rotate hand handle 401, thereby drive bull stick 403 at the rotation of bearing piece 402, transmission effect through bevel gear 404, it rotates axostylus axostyle 2 in the inboard rotation of fixing a position bearing 405 to drive, the main part that rotates axostylus axostyle 2 rotates in mount pad 1 inboard, the test tube that rotates on the axostylus axostyle 2 this moment is settled a set frame 3 and will rotate in step, thereby the test tube rocks a plurality of test tubes of placing on settling a set frame 3, accomplish shaking evenly of a plurality of test tubes simultaneously, and reduce work load, thereby it has more practicality.

As shown in fig. 1, 3 and 5, in some embodiments, the test tube placing and assembling rack 3 includes a positioning ring sleeve 301, a hinge block 302, a placing rack 303, a plurality of limiting rings 304, a rubber backing ring 305 and an anti-collision backing ring 306, the positioning ring sleeve 301 is fixedly sleeved outside the rotating shaft rod 2, the hinge block 302 is fixedly disposed on the outer wall of the positioning ring sleeve 301, the placing rack 303 is hinged on the placing rack 303, the plurality of limiting rings 304 are fixedly disposed outside the placing rack 303 in a group, the rubber backing ring 305 is fixedly disposed inside the limiting ring 304, the anti-collision backing ring 306 is fixedly sleeved outside the bottom end of the positioning ring sleeve 301, preferably, as shown in fig. 3 and 5, a test tube can be inserted into the placing rack 303 through the limiting rings 304, the rubber backing ring 305 inside the limiting rings 304 can protect the test tube, the anti-collision can be prevented, when the rotating shaft rod 2 and the positioning ring 301 rotate synchronously, the placing rack 303 can drive the test tube inside to rotate, and shake the reagent inside the test tube, and when the placing rack 303 rotates, the placing rack 303 is far away from the hinge block 302, the test tube is better.

As shown in fig. 1, 3 and 5, in some embodiments, a plurality of hinge blocks 302 are arranged around the outer wall of the positioning ring 301, and a plurality of mounting brackets 303 are respectively hinged on the plurality of hinge blocks 302, preferably, the plurality of mounting brackets 303 can simultaneously prevent a plurality of test tubes and keep a safe distance between the test tubes.

In some embodiments, as shown in fig. 1, 3 and 5, the test tube arranging unit racks 3 are arranged in parallel on the rotating shaft 2 in a group of two, and preferably, as shown in fig. 3, a safe distance is maintained between the two test tube arranging unit racks 3, so that the space inside the mounting seat 1 can be utilized to the maximum extent for placing the test tubes.

As shown in fig. 1, 2 and 5, in some embodiments, an installation bottom rail 5 is fixedly arranged on the vertical wall of the installation base 1, an installation stand 6 is slidably arranged in the installation bottom rail 5, a plurality of groups of parallel test tube insertion frames 7 are fixedly arranged on the installation stand 6, and preferably, the installation stand 6 is pulled so that the installation stand 6 slides on the installation bottom rail 5, the positions of the installation stand 6 and the test tube insertion frames 7 on the vertical wall of the installation base 1 are adjusted, and the test tube insertion frames 7 can be used for placing some test tubes and reagents which need to be placed still, so that the practicability is increased.

As shown in fig. 1, 2 and 5, in some embodiments, the inner side of the installation bottom rail 5 is fixedly provided with a limiting column 8 along the length direction of the installation bottom rail 5, two installation stands 6 are arranged inside the installation bottom rail 5 in parallel, the limiting column 8 penetrates through the frame body of the installation stand 6 located at the inner side of the installation bottom rail 5, preferably, the two installation stands 6 are arranged on the installation bottom rail 5, so that test tubes and reagents needing to be placed still can be placed better, and meanwhile, the sliding stability of the installation stand 6 can be ensured by the limiting column 8.

As shown in fig. 1 and fig. 2, in some embodiments, the test tube insertion rack 7 includes a bottom plate 701 and a limiting horizontal plate 702, the limiting horizontal plate 702 is parallel to the bottom plate 701, an Chacao is provided on the limiting horizontal plate 702, and a bottom groove facing the insertion slot is provided on the bottom plate 701, so that the test tube can be inserted into the bottom groove on the bottom plate 701 through the insertion slot of the limiting horizontal plate 702, preferably, the test tube is inserted into the bottom groove on the bottom plate 701 through the insertion slot of the limiting horizontal plate 702, and the test tube can be stably placed in the test tube insertion rack 7.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The test tube placing device for preparing trifluoroacetic acid is characterized by comprising a mounting seat (1) and a rotating shaft lever (2) rotatably mounted at the center of the inner side of the mounting seat (1), wherein a test tube placing group frame (3) capable of placing a test tube is fixedly arranged on the outer side of the rotating shaft lever (2), and a hand-cranking structure (4) capable of driving the rotating shaft lever (2) to rotate is fixedly arranged at the end part of the mounting seat (1);

wherein, hand structure (4) are including hand handle (401), bearing piece (402), bull stick (403), bevel gear group (404) and location bearing (405), mount pad (1) top inside cavity, bearing piece (402) is fixed to be set up on mount pad (1) top, and bearing piece (402) one end laminating mount pad (1) top edge, bull stick (403) rotate and install in bearing piece (402) inboard, hand handle (401) are fixed to be set up at bull stick (403) tip, and hand handle (401) are located mount pad (1) top edge outside, location bearing (405) are fixed to be set up in mount pad (1) roof central authorities, and rotate axostylus axostyle (2) tip and rotate and install at location bearing (405) inboard, bevel gear group (404) include two intermeshing's bevel gear, and one of them bevel gear is fixed to be set up and keep away from the tip of hand handle (401) in bull stick (403), and another bevel gear is fixed to be established on rotating axostylus axostyle (2).

2. The device for placing the test tubes for preparing trifluoroacetic acid according to claim 1, wherein the test tube placing set frame (3) comprises a positioning ring sleeve (301), a hinged block (302), a placing support (303), a limiting ring (304), a rubber backing ring (305) and a collision-proof backing ring (306), the positioning ring sleeve (301) is fixedly arranged on the outer side of the rotating shaft rod (2), the hinged block (302) is fixedly arranged on the outer wall of the positioning ring sleeve (301), the placing support (303) is hinged on the placing support (303), the limiting ring (304) is a plurality of groups of fixed arranged on the outer side of the placing support (303), the rubber backing ring (305) is fixedly arranged on the inner side of the limiting ring (304), and the collision-proof backing ring (306) is fixedly arranged on the outer side of the bottom end of the positioning ring sleeve (301).

3. The apparatus as claimed in claim 2, wherein the plurality of hinge blocks (302) are disposed around the outer wall of the positioning ring (301), and the plurality of mounting brackets (303) are hinged to the plurality of hinge blocks (302).

4. The device for placing test tubes for trifluoroacetic acid preparation according to claim 2, wherein said test tube placing set racks (3) are set in parallel on said rotating shaft (2) in groups of two.

5. The test tube placing device for trifluoroacetic acid preparation according to claim 1, wherein a mounting bottom rail (5) is fixedly arranged on the vertical wall of said mounting base (1), a mounting vertical frame (6) is slidably mounted on said mounting bottom rail (5), and a plurality of groups of parallel test tubes An Chajia (7) are fixedly arranged on said mounting vertical frame (6).

6. The test tube placing device for trifluoroacetic acid preparation according to claim 5, wherein the inside of said mounting bottom rail (5) is fixedly provided with a spacing post (8) along the length direction of said mounting bottom rail (5), two of said mounting stands (6) are set in parallel inside said mounting bottom rail (5), and said spacing post (8) passes through the frame body of said mounting stand (6) inside said mounting bottom rail (5).

7. The test tube placing device for trifluoroacetic acid preparation of claim 5, wherein the test tube An Chajia (7) comprises a bottom plate (701) and a limiting transverse plate (702), the limiting transverse plate (702) is arranged in parallel with the bottom plate (701), an Chacao is opened on the limiting transverse plate (702), a bottom groove opposite to the insertion groove is opened on the bottom plate (701), so that the test tube can be inserted into the bottom groove on the bottom plate (701) through the insertion groove of the limiting transverse plate (702).