CN212567805U

CN212567805U - Test tube leakproofness verifying attachment

Info

Publication number: CN212567805U
Application number: CN202022938289.5U
Authority: CN
Inventors: 戴雷
Original assignee: Xinjiang Wanfu Information Technology Co ltd
Current assignee: Xinjiang Wanfu Information Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-02-19
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a test tube tightness testing device, which comprises a base platform, wherein the upper surface of the base platform is provided with a workbench, a shell is fixedly connected to the right side of the upper surface of the workbench, a threaded rod is arranged in the shell, a rotating motor is fixedly connected below the right side surface of the shell, the output end of the rotating motor is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft extends into the shell and is fixedly connected with the first gear, the first gear is engaged with a second gear which is fixedly connected with a threaded rod, the threaded rod is in threaded connection with a moving block, the up-and-down movement of the supporting plate is realized by arranging a threaded rod, a rotating motor, a rotating shaft, a first gear, a second gear and a moving block, and then can be with the test tube after bleeding immerse the water tank in, later alright inspection whether have water in the test tube, can judge the leakproofness of test tube.

Description

Test tube leakproofness verifying attachment

Technical Field

The utility model relates to a sealed inspection technical field, specific field is a test tube leakproofness verifying attachment.

Background

The substance detected in the nucleic acid detection is the nucleic acid of the virus, the nucleic acid detection is to find out whether the respiratory tract sample, blood or feces of the patient have the nucleic acid of the virus invaded from the outside, in the nucleic acid detection, medical personnel need to place the sample in the test tube after collecting the sample, sometimes the sample can be sealed by a sealing plug, but the unqualified product of the test tube often appears at present, cracks and holes which can not be seen by naked eyes often appear on the test tube, so that the tightness of the test tube is poor, sometimes the leakage condition appears, inconvenience is brought to subsequent work, meanwhile, the current inspection device which is lack of the tightness of the test tube is provided, and therefore, the test tube tightness inspection device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test tube leakproofness verifying attachment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a test tube tightness testing device comprises a base, wherein a workbench is arranged on the upper surface of the base, a shell is fixedly connected to the right side of the upper surface of the workbench, a threaded rod is arranged in the shell, one end of the threaded rod is rotatably connected to the inner lower surface of the shell through a first bearing, the other end of the threaded rod is rotatably connected to the inner upper surface of the shell through a second bearing, a rotating motor is fixedly connected to the lower portion of the right side surface of the shell, the output end of the rotating motor is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft extends into the shell and is fixedly connected with a first gear, a second gear is meshed and connected with the first gear and is fixedly connected to the threaded rod, a moving block is connected to the threaded rod through threads, one end of a supporting rod is fixedly connected to the left side surface of the moving block, and the other end of the supporting rod extends, the utility model discloses a test tube rack, including casing, workstation upper surface, be equipped with the movable groove that supplies the bracing piece to reciprocate on the left side of casing, the lower fixed surface of connecting block is connected with the backup pad, be equipped with air exhaust mechanism in the backup pad, the lower surface of backup pad evenly is equipped with a plurality of recess, the first supporting shoe of the equal fixedly connected with in both sides around the backup pad, the lower fixed surface of first supporting shoe is connected with the cylinder, the expansion end fixedly connected with second supporting shoe of the piston rod of cylinder, two the relative one side fixedly connected with test tube rack of second supporting shoe, the left side of workstation upper surface is equipped with the water tank, be.

Preferably, the air pumping mechanism comprises an air pump, the air pump is arranged in the middle of the upper surface of the support plate, an air pumping port on the lower surface of the air pump is connected with one end of an air pumping pipe, the other end of the air pumping pipe extends into the support plate and is connected with an annular air pipe, one end of a branch air pipe is connected to the lower surface of the annular air pipe and corresponds to the groove, and the other end of the branch air pipe extends into the groove.

Preferably, the left side of annular trachea is connected with the one end of intake pipe, the other end of intake pipe stretches out the backup pad and is equipped with the admission valve.

Preferably, the test tube placing rack includes the upper plate, the front and back both sides face of upper plate all with second supporting shoe fixed connection, the upper surface of upper plate and with be equipped with on the corresponding position of recess place the hole, the four corners department of upper plate passes through spliced pole and hypoplastron fixed connection, the upper surface of hypoplastron and with place and be equipped with the spacing groove on the corresponding position in hole, place the downthehole test tube that is equipped with, the bottom of test tube sets up in the spacing groove.

Preferably, the water injection mechanism includes the water pump, water pump fixed connection is on the interior lower surface of sill, the water inlet of water pump left surface is connected with the one end of inlet tube, the other end of inlet tube stretches out the sill, the water delivery mouth of water pump upper surface is connected with the one end of raceway, the other end of raceway passes sill, workstation and is connected with the water tank.

Preferably, the rear surface of water tank is equipped with the drain pipe, be equipped with the drain valve on the drain pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the test tube tightness testing device has the following advantages: through being equipped with first supporting shoe, the cylinder, second supporting shoe and test tube rack, be convenient for place the test tube, can drive test tube rack simultaneously and remove, make the upper surface of test tube and the recess inner wall in the backup pad laminate mutually, through being equipped with air exhaust mechanism, the realization is bled to the test tube and is pumped into the vacuum until the test tube, produce the negative pressure, it is more fixed reliable with the recess inner wall actuation to make the test tube simultaneously, through being equipped with the threaded rod, the rotation motor, the apparatus further comprises a rotating shaft, first gear, the second gear, the movable block, bracing piece and connecting block, realize reciprocating of backup pad, and then can be with test tube immersion water tank after bleeding in, later alright inspection whether have water in the test tube, can judge the leakproofness of test tube.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1-bottom table, 2-workbench, 3-shell, 4-threaded rod, 5-first bearing, 6-second bearing, 7-rotating motor, 8-rotating shaft, 9-first gear, 10-second gear, 11-moving block, 12-supporting rod, 13-connecting block, 14-supporting plate, 15-groove, 16-first supporting block, 17-cylinder, 18-piston rod, 19-second supporting block, 20-water tank, 21-air pump, 22-air pumping pipe, 23-annular air pipe, 24-branch air pipe, 25-air inlet pipe, 26-air inlet valve, 27-upper plate, 28-placing hole, 29-connecting column, 30-lower plate, 31-limiting groove, 32-test tube, test tube, 33-a water pump, 34-a water inlet pipe, 35-a water delivery pipe, 36-a water outlet pipe and 37-a moving groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a test tube tightness testing device comprises a base platform 1, wherein a workbench 2 is arranged on the upper surface of the base platform 1, a shell 3 is fixedly connected to the right side of the upper surface of the workbench 2, a threaded rod 4 is arranged in the shell 3, one end of the threaded rod 4 is rotatably connected to the inner lower surface of the shell 3 through a first bearing 5, the other end of the threaded rod 4 is rotatably connected to the inner upper surface of the shell 3 through a second bearing 6, a rotating motor 7 is fixedly connected to the lower portion of the right side surface of the shell 3, the output end of the rotating motor 7 is fixedly connected with one end of a rotating shaft 8, the other end of the rotating shaft 8 extends into the shell 3 and is fixedly connected with a first gear 9, a second gear 10 is engaged and connected to the first gear 9, the second gear 10 is fixedly connected to the threaded rod 4, and a moving block 11 is connected to the threaded rod 4 through a, one end of a support rod 12 is fixedly connected to the left side surface of the moving block 11, the other end of the support rod 12 extends out of the housing 3 and is fixedly connected with a connecting block 13, a moving groove 37 for the support rod 12 to move up and down is arranged on the left side surface of the housing 3, the support plate 14 can move up and down by arranging a threaded rod 4, a rotating motor 7, a rotating shaft 8, a first gear 9, a second gear 10, the moving block 11, the support rod 12 and the connecting block 13, and then the test tube 32 after being pumped can be immersed in the water tank 20, and then whether water exists in the test tube 32 can be checked, so that the tightness of the test tube can be judged, a support plate 14 is fixedly connected to the lower surface of the connecting block 13, an air pumping mechanism is arranged in the support plate 14, a plurality of grooves 15 are uniformly arranged on the lower, lower fixed surface of first supporting shoe 16 is connected with cylinder 17, the movable end fixedly connected with second supporting shoe 19 of piston rod 18 of cylinder 17, two relative one side fixedly connected with test tube rack of second supporting shoe 19 through being equipped with first supporting shoe 16, cylinder 17, second supporting shoe 19 and test tube rack, is convenient for place test tube 32, can drive test tube rack simultaneously and remove, makes test tube 32's upper surface laminate mutually with the 15 inner walls of recess in the backup pad 14, the left side of 2 upper surfaces of workstation is equipped with water tank 20, be equipped with water injection mechanism in the foundation bed 1.

Particularly, air exhaust mechanism includes aspiration pump 21, the aspiration pump sets up the upper surface middle part at backup pad 14, the extraction opening and the exhaust tube 22 one end of exhaust pump 21 lower surface link to each other, the other end of exhaust tube 22 stretches into in backup pad 14 and is connected with annular trachea 23, annular trachea 23's lower surface and with be connected with the one end of branch trachea 24 on the corresponding position of recess 15, the other end of branch trachea 24 stretches into in recess 15, through being equipped with air exhaust mechanism, the realization is bled in test tube 32 until test tube 32 vacuums into, produces the negative pressure, makes test tube 32 and recess 15 inner wall actuation more fixed reliable simultaneously.

Particularly, the left side of annular trachea 23 is connected with the one end of intake pipe 25, the other end of intake pipe 25 stretches out backup pad 14 and is equipped with admission valve 26, through being equipped with intake pipe 25 and admission valve 26, is convenient for carry out the pressure release to vacuum state's test tube 32, conveniently takes.

Particularly, the test tube placing rack includes upper plate 27, the front and back both sides face of upper plate 27 all with second supporting shoe 19 fixed connection, upper plate 27's upper surface and with be equipped with on the corresponding position of recess 15 place hole 28, the four corners department of upper plate 27 passes through spliced pole 29 and hypoplastron 30 fixed connection, the upper surface of hypoplastron 30 and with place and be equipped with spacing groove 31 on the corresponding position of hole 28, it is equipped with test tube 32 in the hole 28 to place, test tube 32's bottom sets up in spacing groove 31.

Particularly, water injection mechanism includes water pump 33, water pump 33 fixed connection is on the interior lower surface of base frame 1, the water inlet of water pump 33 left surface is connected with the one end of inlet tube 34, base frame 1 is stretched out to the other end of inlet tube 34, the water delivery port of water pump 33 upper surface is connected with the one end of raceway 35, the other end of raceway 35 passes base frame 1, workstation 2 and is connected with water tank 20, through being equipped with water injection mechanism, is convenient for carry out the water injection to water tank 20, avoids manual operation, wastes time and energy.

Specifically, the rear surface of the water tank 20 is provided with a drain pipe 36, the drain pipe 36 is provided with a drain valve, and the water tank 20 is conveniently drained by the arrangement of the drain pipe 36 and the drain valve.

The working principle is as follows: when the utility model is used, the test tube 32 passes through the placing hole 28 on the test tube placing rack, the bottom of the test tube 32 is arranged in the limiting groove 31, then the air cylinder 17 is started, the piston rod 18 of the air cylinder 17 drives the test tube placing rack to move upwards, the upper surface of the test tube 32 is attached to the inner wall of the groove 15 on the supporting plate 14, the air suction pump 21 in the air suction mechanism is started, the air suction pump 21 sucks air in the test tube 32 through the air suction pipe 22, the annular air pipe 23 and the branch air pipe 24 until the test tube 32 is vacuumized to generate negative pressure, meanwhile, the suction between the test tube 32 and the inner wall of the groove 15 is more fixed and reliable, the output end of the rotating motor 7 drives the rotating shaft 8 to rotate by starting the rotating motor 7, the rotating shaft 8 drives the first gear 9 to move in the same direction, the first gear 9 is meshed with the second gear 10, and further the second, make threaded connection's movable block 11 on threaded rod 4 simultaneously pass through bracing piece 12 and drive backup pad 14 downstream, and then can dip the test tube 32 after bleeding in water tank 20, later whether have water in alright inspection test tube 32, can judge the leakproofness of test tube 32, through being equipped with intake pipe 25 and admission valve 26, be convenient for carry out the pressure release to vacuum state's test tube 32, conveniently take.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A test tube leakproofness testing device, includes base frame (1), its characterized in that: the upper surface of the base platform (1) is provided with a workbench (2), the right side fixedly connected with shell (3) on the upper surface of the workbench (2) is provided with a threaded rod (4) in the shell (3), one end of the threaded rod (4) is rotatably connected on the inner lower surface of the shell (3) through a first bearing (5), the other end of the threaded rod (4) is rotatably connected on the inner upper surface of the shell (3) through a second bearing (6), the lower part of the right side surface of the shell (3) is fixedly connected with a rotating motor (7), the output end of the rotating motor (7) is fixedly connected with one end of a rotating shaft (8), the other end of the rotating shaft (8) extends into the shell (3) and is fixedly connected with a first gear (9), the threaded rod (4) is fixedly connected with a second gear (10), the first gear (9) is meshed with the second gear (10), the threaded rod (4) is in threaded connection with a moving block (11), one end of a supporting rod (12) is fixedly connected to the left side face of the moving block (11), the other end of the supporting rod (12) extends out of the shell (3) and is fixedly connected with a connecting block (13), a moving groove (37) for the supporting rod (12) to move up and down is formed in the left side face of the shell (3), a supporting plate (14) is fixedly connected to the lower surface of the connecting block (13), an air exhaust mechanism is arranged in the supporting plate (14), a plurality of grooves (15) are uniformly formed in the lower surface of the supporting plate (14), first supporting blocks (16) are fixedly connected to the front side and the rear side of the supporting plate (14), an air cylinder (17) is fixedly connected to the lower surface of the first supporting block (16), and a second supporting block (19) is fixedly connected to the movable, two one side fixedly connected with test tube rack relative of second supporting shoe (19), the left side of workstation (2) upper surface is equipped with water tank (20), be equipped with water injection mechanism in base platform (1).

2. A test tube sealability testing apparatus according to claim 1 wherein: the air extracting mechanism comprises an air extracting pump (21), the air extracting pump (21) is arranged in the middle of the upper surface of the supporting plate (14), an air extracting opening in the lower surface of the air extracting pump (21) is connected with one end of an air extracting pipe (22), the other end of the air extracting pipe (22) extends into the supporting plate (14) and is connected with an annular air pipe (23), one end of a branch air pipe (24) is connected to the lower surface of the annular air pipe (23) and the position corresponding to the groove (15), and the other end of the branch air pipe (24) extends into the groove (15).

3. A test tube sealability testing apparatus according to claim 2 wherein: the left side of annular trachea (23) is connected with the one end of intake pipe (25), the other end of intake pipe (25) stretches out backup pad (14) and is equipped with admission valve (26).

4. A test tube sealability testing apparatus according to claim 1 wherein: test tube rack includes upper plate (27), the front and back both sides face of upper plate (27) all with second supporting shoe (19) fixed connection, the upper surface of upper plate (27) and be equipped with on the position corresponding with recess (15) and place hole (28), the four corners department of upper plate (27) passes through spliced pole (29) and hypoplastron (30) fixed connection, the upper surface of hypoplastron (30) and with place and be equipped with spacing groove (31) on the position corresponding with hole (28), be equipped with test tube (32) in placing hole (28), the bottom of test tube (32) sets up in spacing groove (31).

5. A test tube sealability testing apparatus according to claim 1 wherein: the water injection mechanism comprises a water pump (33), the water pump (33) is fixedly connected to the inner lower surface of the base platform (1), a water inlet in the left side surface of the water pump (33) is connected with one end of a water inlet pipe (34), the other end of the water inlet pipe (34) extends out of the base platform (1), a water delivery port in the upper surface of the water pump (33) is connected with one end of a water delivery pipe (35), and the other end of the water delivery pipe (35) penetrates through the base platform (1), the workbench (2) and is connected with the water tank (20).

6. A test tube sealability testing apparatus according to claim 1 wherein: the rear surface of water tank (20) is equipped with drain pipe (36), be equipped with the drain valve on drain pipe (36).