Closed sampler

Abstract

The utility model discloses a closed sampler, which relates to the technical field of closed samplers and comprises a closed sampling bin, a connecting seat is arranged at the lower end of the closed sampling bin, a sampling rod bin is arranged at the upper end of the closed sampling bin, a quick opening door is arranged on one side of the closed sampling bin, and two closed operation gloves are symmetrically arranged on the closed sampling bin. A sampling mechanism is arranged in the sampling rod bin, and a sealing bottle assembly used for containing samples is arranged on one side of the sampling mechanism. According to the utility model, through the arrangement of the quick release assembly and the cooperation among the fixed column, the clamping groove and the spring, the sampling pool is more convenient and quick to mount and dismount, and meanwhile, the anti-falling rope is arranged to prevent the sampling pool from falling off; through the cooperation of the sealing bottle body, the sealing cover, the connecting rope, the mounting ring seat, the first movable rod and the second movable rod, the problem that the sealing bottle is easy to fall off when the sampling pool is put into the sealing bottle is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtight sampler technical field, specifically airtight sampler. BACKGROUND

[0002] When needing to collect some toxic and harmful, flammable and explosive dangerous medium as a sample from a pipeline or a container, in order to ensure the safety and accuracy of sampling, the sampling process needs to be carried out under airtight condition by using an airtight sampler, and the safety and airtightness of sampling are realized by the airtight sampler, so as to protect the safety of an operator, avoid the harm of harmful substances to human health through contact or inhalation and the like, effectively reduce material volatilization and reduce environmental pollution.

[0003] However, the existing airtight sampler needs to install a sampling pool on a connecting piece in the airtight sampling bin during sampling, and the sampling pool is generally screwed with the connecting piece, but the sampling pool needs to pass through a sealing glove on the airtight sampling bin during dismounting, so that the mounting and dismounting process of the sampling pool is inconvenient to operate, and when the sampling pool is installed into a sealing bottle, the sealing bottle is prone to falling, resulting in sampling failure.

[0004] Based on this, the present application provides an airtight sampler, which can eliminate the drawbacks of the existing device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an airtight sampler to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The airtight sampler comprises an airtight sampling bin, a connecting seat is arranged at the lower end of the airtight sampling bin, a sampling rod bin is arranged at the upper end of the airtight sampling bin, a quick-opening door is arranged at one side of the airtight sampling bin, two sealing operation gloves are symmetrically arranged on the airtight sampling bin, a sampling mechanism is arranged in the sampling rod bin, and a sealing bottle assembly for placing a sample is arranged at one side of the sampling mechanism.

[0008] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0009] In an optional scheme, a first connecting flange for connecting with a reaction container is arranged at the lower end of the connecting seat, a first sealing ring is arranged at the lower end of the first connecting flange, a second connecting flange is arranged at the upper end of the sampling rod bin, a second sealing ring is arranged at the upper end of the second connecting flange, a valve is arranged at the upper end of the sampling rod bin, and an inert gas connecting pipe with a valve is further arranged at one side of the connecting seat.

[0010] In an alternative: the fast opening door one side is hinged to the closed sampling bin, the other side is connected to the closed sampling bin through the lock buckle assembly, the fast opening door one side is provided with a third sealing ring, the fast opening door is provided with a glass window, the fast opening door one end is provided with a protruding block, the protruding block is provided with a mounting hole.

[0011] In an alternative: the lock buckle assembly includes a fixed seat fixed on the closed sampling bin, the fixed seat is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a screw rod, the screw rod is threadedly connected with a connecting rod, the connecting rod one end is provided with a rotating wheel.

[0012] In an alternative: the sealing operation gloves include connecting pipes arranged on both sides of the closed sampling bin, the connecting pipes are provided with valves, one side of the connecting pipe is provided with a mounting seat for mounting rubber gloves, the mounting seat is provided with a plurality of annular sealing strips.

[0013] In an alternative: the sampling mechanism includes a driving rod and a sampling pool, the sampling pool and the driving rod are connected through a quick release assembly, the driving rod is arranged in the inside of the sampling rod bin, the driving rod one side is provided with a limiting groove wheel, the limiting groove wheel is rotationally connected with the sampling rod bin, the driving rod far away from the limiting groove wheel one side is provided with a rack, the rack one side is meshingly connected with a driving gear and a driven gear, the driving gear is located directly below the driven gear, the driving gear and the driven gear are rotationally connected with the sampling rod bin, the driving gear one side is provided with a motor, the motor output end is connected with the driving gear, the driving rod upper end and lower end are both provided with a limiting plate.

[0014] In an alternative: the quick release assembly includes a connecting column fixed on the lower end of the driving rod and a connecting sleeve fixed on the sampling pool, the connecting column is provided with a fixed column, the connecting column is provided with a spring, the connecting sleeve is provided with a clamping groove, the connecting sleeve one side is provided with a fixed ring, the fixed ring is provided with an anti-falling rope, the anti-falling rope upper end is fixed on the limiting plate.

[0015] In an alternative: the sealing bottle assembly includes a sealing bottle body and a sealing cover, the sealing cover is arranged on the top end of the sealing bottle body, the sealing bottle body and the sealing cover are provided with a connecting rope, the sealing bottle body is provided with a mounting ring seat, the mounting ring seat one side is provided with a first movable rod, the first movable rod one end is rotationally connected with a second movable rod, the second movable rod other end is hingedly connected with the closed sampling bin.

[0016] In an alternative: the.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The utility model discloses a quick release assembly is set up, utilizes the cooperation between fixed column, card slot and spring, makes the installation of sampling pool more convenient and fast, sets up anti -fall rope simultaneously, avoids sampling pool to drop.

[0019] 2. The utility model discloses through the cooperation between sealing bottle body, sealing cover, connecting rope, mounting ring seat, first movable rod and second movable rod, solved when sampling pool is installed in sealing bottle, the problem that sealing bottle is easy to drop. DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of one side of the utility model.

[0021] Figure 2 It is the structure schematic diagram of the other side of the utility model.

[0022] Figure 3 It is the structure schematic diagram of quick -opening door in the utility model.

[0023] Figure 4 It is the structure schematic diagram of sampling mechanism in the utility model.

[0024] Figure 5 It is the structure schematic diagram of sealing bottle assembly in the utility model.

[0025] Figure mark comment: 100, airtight sampling storehouse;101, connecting seat;102, first connecting flange;103, first sealing ring;104, sampling rod storehouse;105, second connecting flange;106, second sealing ring;107, inert gas connecting pipe;200, quick -opening door;201, third sealing ring;202, glass window;203, boss;204, mounting hole;205, fixed seat;206, rotation axis;207, screw;208, connecting rod;209, rotating wheel;300, sealing operation glove;301, connecting pipe;302, mounting seat;303, annular sealing strip;304, rubber glove;400, sampling mechanism;401, limit groove wheel;402, drive rod;403, rack;404, drive gear;405, driven gear;406, motor;407, limit board;408, connecting column;409, fixed column;410, spring;411, sampling pool;412, connecting sleeve;413, card slot;414, fixed ring;415, anti -fall rope;500, sealing bottle assembly;501, sealing bottle body;502, sealing cover;503, connecting rope;504, mounting ring seat;505, first movable rod;506, second movable rod. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is combined with the drawing and example, and the utility model is further explained in detail.

[0027] In one embodiment, as shown in Figure 1 and Figure 2 , the closed sampler includes a closed sampling bin 100, the lower end of which is provided with a connecting seat 101, the upper end of which is provided with a sampling rod bin 104, one side of which is provided with a quick opening door 200, and two symmetrically arranged sealing operation gloves 300 are arranged on the upper end of the closed sampling bin 100. The sampling mechanism 400 is arranged in the sampling rod bin 104, and the sealing bottle assembly 500 for placing the sample is arranged on one side of the sampling mechanism 400. In use, the closed sampling bin 100 is connected to the reaction container through the connecting seat 101, then the quick opening door 200 is opened, the sampling pool 411 is installed on the sampling mechanism 400, then the quick opening door 200 is closed, and the valve on the reaction container is opened, then sampling is carried out through the sampling mechanism 400 and the sampling pool 411, and the sampling pool 411 and the sample are placed in the sealing bottle assembly 500, then the valve on the reaction container is closed, then the harmful gas in the closed sampling bin 100 is replaced, and then the quick opening door 200 is opened to take out the sealing bottle body 501.

[0028] In one embodiment, as shown in Figure 1 and Figure 2 , the lower end of the connecting seat 101 is provided with a first connecting flange 102 for connecting with the reaction container, and the lower end of the first connecting flange 102 is provided with a first sealing ring 103. The upper end of the sampling rod bin 104 is provided with a second connecting flange 105, and the upper end of the second connecting flange 105 is provided with a second sealing ring 106. The upper end of the sampling rod bin 104 is provided with a valve, and the connecting seat 101 is further provided with an inert gas connecting pipe 107 with a valve on one side. In use, the first connecting flange 102 is connected with the reaction container, and the second connecting flange 105 and the inert gas connecting pipe 107 are connected with the external gas supply device or vacuum pump, so as to facilitate the gas replacement of the closed sampling bin 100.

[0029] In one embodiment, as shown in Figure 3 , one side of the quick opening door 200 is hingedly connected with the closed sampling bin 100, and the other side is connected with the closed sampling bin 100 through a lock catch assembly. The quick opening door 200 is provided with a third sealing ring 201 on one side, a glass window 202 is arranged on the quick opening door 200, a lug 203 is arranged at one end of the quick opening door 200, and a mounting hole 204 is arranged on the lug 203. The lock catch assembly facilitates the opening and closing of the quick opening door 200, and the glass window 202 facilitates the observation of the operation in the closed sampling bin 100.

[0030] In one embodiment, as shown in Figure 3As shown, the locking assembly includes a fixed seat 205 fixed on the closed sampling chamber 100, a rotating shaft 206 rotatably connected to the fixed seat 205, a screw rod 207 fixedly connected to the rotating shaft 206, a connecting rod 208 threadedly connected to the screw rod 207, and a rotating wheel 209 provided at one end of the connecting rod 208. In use, the quick-opening door 200 is closed, and then the screw rod 207 is rotated about the rotating shaft 206 to make the screw rod 207 clamped into the mounting hole 204. Then the rotating wheel 209 is rotated to move the connecting rod 208 along the screw rod 207 until the quick-opening door 200 is locked.

[0031] In one embodiment, as shown in Figure 2 As shown, the sealed operation glove 300 includes connecting pipes 301 provided on both sides of the closed sampling chamber 100, and valves are provided on the connecting pipes 301. An installation seat 302 for installing a rubber glove 304 is provided on one side of the connecting pipe 301, and a plurality of annular sealing strips 303 are provided on the installation seat 302. In installation, the rubber glove 304 is sleeved on the installation seat 302 and is fixed by a clamp. In use, the valve on the connecting pipe 301 is opened, and then the hand is inserted into the rubber glove 304 to perform the operation in the closed sampling chamber 100.

[0032] In one embodiment, as shown in Figure 4 As shown, the sampling mechanism 400 includes a driving rod 402 and a sampling pool 411, and the sampling pool 411 and the driving rod 402 are connected through a quick-release assembly. The driving rod 402 is provided inside the sampling rod chamber 104. A limiting groove wheel 401 is provided on one side of the driving rod 402, and the limiting groove wheel 401 is rotatably connected to the sampling rod chamber 104. A rack 403 is provided on the side of the driving rod 402 away from the limiting groove wheel 401. A driving gear 404 and a driven gear 405 are meshingly connected to one side of the rack 403. The driving gear 404 is located directly below the driven gear 405. The driving gear 404 and the driven gear 405 are both rotatably connected to the sampling rod chamber 104. An electric motor 406 is provided on one side of the driving gear 404. The output end of the electric motor 406 is connected to the driving gear 404. Limiting plates 407 are provided on the upper end and the lower end of the driving rod 402. In use, the sampling pool 411 is first installed at the lower end of the driving rod 402, and then the electric motor 406 is driven to rotate the driving gear 404 to move the driving rod 402 with the sampling pool 411 downward for sampling. Then the electric motor 406 is driven to reversely rotate the driving gear 404 to move the driving rod 402 with the sampling pool 411 upward to leave the reaction container.

[0033] In one embodiment, as shown in Figure 4As shown, the quick release assembly includes a connecting column 408 fixed at the lower end of the drive rod 402 and a connecting sleeve 412 fixed on the sampling pool 411, the connecting column 408 is provided with a fixing column 409, the connecting column 408 is provided with a spring 410, the connecting sleeve 412 is provided with a clamping groove 413, one side of the connecting sleeve 412 is provided with a fixing ring 414, the fixing ring 414 is provided with a fall prevention rope 415, the upper end of the fall prevention rope 415 is fixed on the limiting plate 407, during installation, the connecting sleeve 412 on the sampling pool 411 is aligned with the connecting column 408, and the clamping groove 413 is aligned with the fixing column 409, then the connecting sleeve 412 is moved upward and rotated, then the sampling pool 411 is loosened, under the action of the spring 410, the fixing column 409 is clamped in the clamping groove 413.

[0034] In one embodiment, as shown in the drawings, Figure 5 As shown, the sealed bottle assembly 500 includes a sealed bottle body 501 and a sealing cover 502, the sealing cover 502 is arranged at the top end of the sealed bottle body 501, a connecting rope 503 is arranged between the sealed bottle body 501 and the sealing cover 502, a mounting ring seat 504 is arranged on the sealed bottle body 501, a first movable rod 505 is arranged on one side of the mounting ring seat 504, a second movable rod 506 is rotatably connected to one end of the first movable rod 505, and the other end of the second movable rod 506 is hingedly connected to the sealed sampling bin 100, during use, the sealed bottle body 501 is placed through the first movable rod 505, the second movable rod 506 and the mounting ring seat 504, so as to avoid the sealed bottle body 501 from falling during operation, and at the same time, the sealed bottle body 501 can be moved flexibly.

[0035] The above embodiment discloses a sealed sampler, during use, the sealed sampling bin 100 is connected to the reaction container through the connecting seat 101, then the quick opening door 200 is opened, the sampling pool 411 is installed at the lower end of the drive rod 402 through the quick release assembly, at the same time, the sealed bottle body 501 is placed in the mounting ring seat 504, then the quick opening door 200 is closed, and the valve on the reaction container is opened, then the motor 406 drives the drive gear 404 to rotate, so that the drive rod 402 drives the sampling pool 411 to move downward for sampling, then the motor 406 drives the drive gear 404 to rotate reversely, so that the drive rod 402 drives the sampling pool 411 to move upward and away from the reaction container, then the sampling pool 411 and the sample are taken off from the drive rod 402, and are placed in the sealed bottle body 501 together, and the sealing cover 502 is tightly plugged, then the valve on the reaction container is closed, then the harmful gas in the sealed sampling bin 100 is replaced, finally, the quick opening door 200 is opened, and the sealed bottle body 501 is taken out.

[0036] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. Airtight sampler, comprising an airtight sampling bin (100), the lower end of the airtight sampling bin (100) is provided with a connecting seat (101), the upper end of the airtight sampling bin (100) is provided with a sampling rod bin (104), characterized in that, The closed sampling bin (100) is provided with a quick opening door (200) on one side, two sealing operation gloves (300) are symmetrically arranged on the closed sampling bin (100), a sampling mechanism (400) is arranged in the sampling rod bin (104), and a sealed bottle assembly (500) for placing samples is arranged on one side of the sampling mechanism (400).

2. The closed-sampler of claim 1, wherein, The lower end of the connecting seat (101) is provided with a first connecting flange (102) for connecting with a reaction container, the lower end of the first connecting flange (102) is provided with a first sealing ring (103), the upper end of the sampling rod bin (104) is provided with a second connecting flange (105), the upper end of the second connecting flange (105) is provided with a second sealing ring (106), the upper end of the sampling rod bin (104) is provided with a valve, and the connecting seat (101) is further provided with an inert gas connecting pipe (107) with a valve on one side.

3. The closed-sampler of claim 1, wherein, The quick opening door (200) is hingedly connected with the closed sampling bin (100) on one side and connected with the closed sampling bin (100) through a lock catch assembly on the other side, the quick opening door (200) is provided with a third sealing ring (201) on one side, the quick opening door (200) is provided with a glass window (202) on the other side, the quick opening door (200) is provided with a lug (203) on one end, and the lug (203) is provided with a mounting hole (204).

4. The closed-sampler of claim 3, wherein, The lock catch assembly comprises a fixed seat (205) fixed on the closed sampling bin (100), a rotating shaft (206) rotatably connected to the fixed seat (205), a screw rod (207) fixedly connected to the rotating shaft (206), and a connecting rod (208) threadedly connected to the screw rod (207), and the connecting rod (208) is provided with a rotating wheel (209) on one end.

5. The closed-sampler of claim 1, wherein, The sealing operation glove (300) comprises a connecting pipe (301) arranged on both sides of the closed sampling bin (100), the connecting pipe (301) is provided with a valve, the connecting pipe (301) is provided with a mounting seat (302) for mounting a rubber glove (304) on one side, and a plurality of annular sealing strips (303) are arranged on the mounting seat (302).

6. The closed-sampler of claim 1, wherein, The sampling mechanism (400) includes a drive rod (402) and a sampling pool (411), the sampling pool (411) is connected with the drive rod (402) through a quick release assembly, the drive rod (402) is arranged inside the sampling rod bin (104), one side of the drive rod (402) is provided with a limit slot wheel (401), the limit slot wheel (401) is rotatably connected with the sampling rod bin (104), one side of the drive rod (402) away from the limit slot wheel (401) is provided with a rack (403), one side of the rack (403) is engagedly connected with a drive gear (404) and a driven gear (405), the drive gear (404) is located directly below the driven gear (405), the drive gear (404) and the driven gear (405) are rotatably connected with the sampling rod bin (104), one side of the drive gear (404) is provided with a motor (406), the output end of the motor (406) is connected with the drive gear (404), the upper end and the lower end of the drive rod (402) are provided with a limit plate (407).

7. The closed-sampler of claim 6, wherein, The quick release assembly includes a connecting column (408) fixed at the lower end of the drive rod (402) and a connecting sleeve (412) fixed on the sampling pool (411), the connecting column (408) is provided with a fixed column (409), the connecting column (408) is provided with a spring (410), the connecting sleeve (412) is provided with a clamping groove (413), one side of the connecting sleeve (412) is provided with a fixed ring (414), the fixed ring (414) is provided with an anti-falling rope (415), the upper end of the anti-falling rope (415) is fixed on the limit plate (407).

8. The closed-sampler of claim 1, wherein, The sealed bottle assembly (500) includes a sealed bottle body (501) and a sealing cover (502), the sealing cover (502) is arranged at the top end of the sealed bottle body (501), the sealed bottle body (501) and the sealing cover (502) are provided with a connecting rope (503), the sealed bottle body (501) is provided with a mounting ring seat (504), one side of the mounting ring seat (504) is provided with a first movable rod (505), one end of the first movable rod (505) is rotatably connected with a second movable rod (506), the other end of the second movable rod (506) is hingedly connected with the closed sampling bin (100).

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