CN213180857U

CN213180857U - Negative pressure rotary sampling device

Info

Publication number: CN213180857U
Application number: CN202021118192.3U
Authority: CN
Inventors: 吴国桥; 梅庆胜; 章貌
Original assignee: Zhejiang Canaan Technology Ltd
Current assignee: Zhejiang Canaan Technology Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-05-11
Anticipated expiration: 2030-06-16

Abstract

The invention provides a negative pressure rotary sampling device, which comprises a sampling tube and a transparent sampling bottle, wherein a rotating shaft is arranged in the middle of the sampling tube, the rotating shaft comprises a rotating inner shaft and a rotating sleeve which can rotate relatively, the rotating inner shaft is communicated with the sampling tube, one end of the sampling tube is provided with a sampling connection tube, the other end of the sampling tube is provided with a negative pressure connection tube and a sample outlet, the negative pressure connection tube is communicated with a vacuum source and is provided with an opening, and the transparent sampling bottle is detachably connected to the sample outlet close to the negative pressure connection tube. The utility model provides a rotation axis with relative rotation function makes its part that replaces the sampling tube and feeds through, makes the sampling tube must install and carry out sampling operation with the rotation mode when on the partition wall to the both ends that realize the sampling tube are separated the sample action under two spaces, ensure operating personnel's safe in utilization, satisfy the user demand of taking a sample under the current special environment, its simple structure, simple to operate, convenient to use.

Description

Negative pressure rotary sampling device

Technical field the utility model relates to a sampling equipment field especially relates to a rotatory sampling device of negative pressure.

Background

In some chemical product processing or pharmaceutical processes, it is sometimes necessary to sample the contents of a closed processing apparatus or container, such as a gas or liquid, in an automated production line. In order to protect the safety of operators (substances in chemical and pharmaceutical processes may be toxic substances and easily affect human health), part of gas or part of liquid is required to be taken out from a relatively closed space, and corresponding products do not exist in the existing sampling products.

Based on this, the present application is proposed.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a rotatory sampling device of negative pressure solves and can't carry out the problem of taking a sample safely in a relative inclosed space among the prior art.

In order to achieve the above object, the utility model discloses rotatory sampling device of negative pressure structure as follows: including sampling tube, transparent sampling bottle, the middle part of sampling tube is equipped with the rotation axis, but axle and rotary sleeve in the rotation of rotation axis including relative rotation, axle and sampling tube intercommunication in the rotation, the one end of sampling tube is equipped with the sample and takes over, the other end is equipped with and is used for and vacuum source intercommunication, have open-ended negative pressure and take over and go out the appearance mouth, transparent sampling bottle can dismantle connect in one be close to in the appearance mouth that the setting was taken over to the negative pressure.

Through the rotation axis, can make the sampling tube rotatably install on the partition wall that is used for the partitioned space, rotate the sampling tube when the sample and wholly make the sample take over get into the sample material in take a sample, accessible rotation sampling tube makes its and sample material separation after the sample to prevent that the sampling tube from causing the sample material to pass through the sampling tube with sample material is direct relatively and leak, influence the operating personnel's at the opposite side of partition wall safety.

In view of safety, the negative pressure rotary sampling device provided by the structure is preferably used for sampling liquid or solid particles under the condition that no valve is arranged on the sampling tube.

For realizing the partition installation, the utility model discloses further set up as follows: the sampling tube comprises an outer tube and an inner tube, one end of the outer tube and one end of the inner tube are respectively communicated with two ends of the rotating inner shaft in a sealing mode, the transparent sampling bottle is arranged on the outer tube, and the sampling connecting tube is arranged on the inner tube. Through making the sampling tube divide into two parts, borrow by rotatory interior axle intercommunication, can make this device realize the partition wall installation when the installation, this kind of mounting means simple structure, dismantlement convenience.

For the installation of convenient partition wall, the utility model discloses further set up as follows: the rotating inner shaft comprises an outer rotating shaft and an inner rotating shaft, one end of the outer rotating shaft and one end of the inner rotating shaft are respectively communicated with one end of the outer pipe and one end of the inner pipe which are arranged oppositely in a sealing mode, and the other ends of the outer rotating shaft and the inner rotating shaft are communicated with each other in a detachable sealing mode. So, be more convenient for realize the partition wall installation of sampling tube to through erect in above-mentioned structure and be used for sealed sealing member, like sealing ring, liner, sealing washer etc. when convenient installation, also can prevent that the junction between rotation axis and the partition wall from taking place to leak, ensures operating personnel's safety.

For the sampling, the utility model discloses further set up as follows: the inner tube is including the interior horizontal pipe of level setting and the vertical pipe of vertical setting, interior horizontal pipe and vertical pipe are perpendicular and intercommunication each other, the bottom of vertical pipe is located to the sample takeover. Through interior horizontal pipe, can make interior horizontal pipe, vertical pipe and outer tube form a whole after the assembly to in the state of horizontal pipe in so as to indirect control through the outer tube, and then the position of controlling vertical pipe determines whether the contact of sample takeover and sample material of vertical pipe below, provides the facility in operation for the sampling process.

The utility model discloses further set up as follows: the sampling connecting pipe is obliquely arranged relative to the axis of the vertical pipe, so that on one hand, the concrete situation that the sampling connecting pipe is contacted with the sample during sampling is conveniently controlled, and the sampling inconvenience caused by the fact that the sampling connecting pipe is suddenly contacted with the sample in the process of approaching the sample is avoided; on the other hand, the structure is convenient for placing redundant samples back into the sample container, the samples can slowly return into the sample container along the sampling structure, severe collision among the samples caused by vertical throwing is avoided, and the safety of the sampling process is ensured. And, still be favorable to shortening vertical pipe and sample contact stroke, reduce the sample time.

For the sampling, the utility model discloses further set up as follows: the bottom of sample takeover has the sample connection, the sample connection is for having 30~45 slope openings to be favorable to enlarging the contact surface with the sample when the sample, so that absorb the sample.

Preferably, the present invention further provides: the sampling connecting pipe is inclined by 30-45 degrees.

The utility model discloses further set up as follows: the outer tube sets up with axle, the inner tube is coaxial in the rotation, and then, and the rotation that the inner tube can be controlled to the direct rotatory outer tube and then control the sampling tube and carry out the action of taking a sample, this process direct control, simple structure, transmission are rapid, the operation of being convenient for.

For preventing that the sample directly enters into the vacuum source through the outer tube and cause destruction to equipment, the utility model discloses further set up as follows: the outer pipe comprises an outer horizontal pipe and a negative pressure connecting pipe, at least one bend is arranged between the negative pressure connecting pipe and the outer horizontal pipe, and a barrier is formed in a channel through the bend formed between the negative pressure structure and the outer horizontal pipe to prevent a sample from directly passing through, so that the use safety of equipment such as a negative pressure pump and a vacuum pump for providing a vacuum source is improved.

In order to ensure that the sampling pipe forms the negative pressure effect, provide the obstacle for the sample gets into the vacuum source, the utility model discloses further set up as follows: the negative pressure connecting pipe and the outer horizontal pipe are perpendicular to each other.

For the speed of ensureing that the sampling tube forms the negative pressure effect and forms the negative pressure, the utility model discloses further set up as follows: the negative pressure connecting pipe and the outer horizontal pipe are arranged on the same horizontal plane.

The utility model has the advantages as follows: the utility model provides a rotation axis with relative rotation function makes its part of replacing the sampling tube and feeds through, makes the sampling tube can carry out sampling operation with the rotation mode when must installing on the partition wall to the both ends that realize the sampling tube are separated in the sample action under two spaces, ensure operating personnel's safe in utilization, satisfy the user demand of taking a sample under the current special environment, its simple structure, simple to operate, convenient to use.

Drawings

Fig. 1 is a schematic overall top view of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention.

Fig. 3 is a schematic view of a rotating shaft according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a non-sampling state according to an embodiment of the present invention.

Reference numerals: 1-a sampling tube, 2-a clamp, 3-a clamp sealing ring, 4-a rotating shaft, 5-a gasket I, 6-a rotating sleeve, 7-a gasket II, 8-a gasket III, 9-a quick connector, 10-a negative pressure connector, 11-a bottle connector, 12-a transparent sampling bottle and 13-a partition wall;

110-sampling connecting pipe, 120-vertical pipe, 130-inner horizontal pipe, 140-outer horizontal pipe, 150-negative pressure connecting pipe, 410-outer rotating shaft, 420-threaded shaft, 430-inner rotating shaft and 421-flange.

Detailed Description

Embodiment 1 this embodiment provides a negative pressure rotary sampling device, and the structure is as follows: the sampling device comprises a sampling tube 1, a transparent sampling bottle 12, a rotating shaft 4 and a negative pressure connector 10, wherein one end of the sampling tube 1 is provided with a sampling connecting tube 110, the other end of the sampling tube 1 is provided with a negative pressure connecting tube 150 and a sample outlet, the negative pressure connecting tube 150 and the sample outlet are used for being communicated with a vacuum source and are provided with openings, the sampling connecting tube 110 is provided with a sampling port, a negative pressure interface is arranged on the negative pressure connecting tube 150, and the negative pressure connector 10 is sleeved on the negative.

The transparent sampling vial 12 is removably attached to a sample outlet located proximate to the vacuum connector 150. The rotating shaft 4 is arranged in the middle of the sampling tube 1, and the rotating shaft 4 comprises a rotating inner shaft and a rotating sleeve 6 which can rotate relatively. As shown in fig. 2, the inner rotary shaft includes an outer rotary shaft 410 and an inner rotary shaft 430, one end of each of the outer rotary shaft 410 and the inner rotary shaft 430 is in sealed communication with one end of the inner tube and the outer tube opposite to each other through a sealing connector such as a band, and the other end of each of the outer rotary shaft 4 and the inner rotary shaft 4 is in sealed communication with each other through a threaded shaft 420 by means of a seal ring 3.

The sampling tube 1 comprises an outer tube and an inner tube, the inner tube comprises an inner horizontal tube 130 horizontally arranged and a vertical tube 120 vertically arranged, the inner horizontal tube 130 and the vertical tube 120 are mutually vertical and communicated, and the sampling connecting tube 110 is arranged at the bottom of the vertical tube 120. The outer tube comprises an outer horizontal tube and a negative pressure connection tube 150, the negative pressure connection tube 150 and the outer horizontal tube are located on the same horizontal plane but vertically communicated with each other, so that a bend is formed between the negative pressure connection tube 150 and the outer horizontal tube 140 to prevent the sample from directly passing through to a negative pressure pump or other devices providing a negative pressure source. For convenience of operation, the inner horizontal tube 130, the rotating inner shaft and the outer horizontal tube 140 are coaxially disposed and are integrally formed after being assembled, thereby facilitating manipulation.

In one embodiment, the sampling adapter 110 is inclined 30-45 ° with respect to the axis of the vertical tube 120. In a further embodiment, the sampling opening is an inclined opening with an angle of 30-45 degrees for facilitating sampling.

In fig. 2, the left end of the outer horizontal pipe is in sealed communication with the right end of the outer rotary shaft 4 (the direction shown in fig. 2 is a reference) through the quick coupler 9, the quick coupler 9 is a commercially available pipe coupling, and the right end of the inner horizontal pipe 130 is in sealed communication with the left end of the inner rotary shaft 4 through the quick coupler 9. The transparent sampling bottle 12 is disposed on the outer tube, and the sampling adapter 110 is disposed on the inner tube. The inside internal thread that is equipped with of the left end of outer rotation axis 4, the right-hand member tip of interior rotation axis 4 is equipped with the external screw thread that suits with the internal thread of outer rotation axis 4, near the tip of interior rotation axis 4, slightly be partial to the left side and be equipped with flange 421, during the assembly, make outer horizontal pipe 140 be in the right side of partition wall 13 with the outer axle of rotation together earlier, make inner horizontal pipe 130 be in the left side of partition wall 13 with the inner axle of rotation together again, in a through-hole on swivel nut 6 fixed connection and the partition wall 13, promote the right-hand member of the inner axle of rotation to enter into the through-hole and stretch out to the right side of partition wall 13 and pass through packing ring or sealing member sealing connection with the outer axle of rotation, also be equipped with parts such as packing ring or.

Combine shown in fig. 4, install the back on partition wall 13 at the sampling device that this embodiment provided, be connected with negative pressure coupling hose on the negative pressure connector 10, negative pressure coupling hose is connected with the vacuum pump, when equipment takes a sample, open the vacuum pump, it rotates to hold transparent sampling bottle 12 rotation axis 4, the material enters into transparent sampling bottle 12 through sampling tube 1, treat that the material of transparent sampling bottle 12 reaches half the time, the reversal of control vacuum pump, blow back the material in sampling tube 1 and the rotation axis 4 in the sample container, rotatory transparent sampling bottle 12, pour the material in the transparent sampling bottle 12 into the sample and load the bottle, install transparent sampling bottle 12 rotation back on the sampling device again, accomplish whole sampling process.

To sum up, the utility model provides a rotatory sampling device of negative pressure, its mountable is in sample space and operating space on partition wall 13 and separated by partition wall 13 to realize keeping apart the sample, ensure operating personnel's safety.

Claims

1. The utility model provides a rotatory sampling device of negative pressure which characterized in that: including sampling tube, transparent sampling bottle, the middle part of sampling tube is equipped with the rotation axis, but axle and rotary sleeve in the rotation of rotation axis including relative rotation, axle and sampling tube intercommunication in the rotation, the one end of sampling tube is equipped with the sample and takes over, the other end is equipped with and is used for and vacuum source intercommunication, have open-ended negative pressure and take over and go out the appearance mouth, transparent sampling bottle can dismantle connect in one be close to in the appearance mouth that the setting was taken over to the negative pressure.

2. The negative pressure rotary sampling device of claim 1, wherein: the sampling tube comprises an outer tube and an inner tube, one end of the outer tube and one end of the inner tube are respectively communicated with two ends of the rotating inner shaft in a sealing mode, the transparent sampling bottle is arranged on the outer tube, and the sampling connecting tube is arranged on the inner tube.

3. The negative pressure rotary sampling device of claim 2, wherein: the rotating inner shaft comprises an outer rotating shaft and an inner rotating shaft, one end of the outer rotating shaft and one end of the inner rotating shaft are respectively communicated with one end of the outer pipe and one end of the inner pipe which are arranged oppositely in a sealing mode, and the other ends of the outer rotating shaft and the inner rotating shaft are communicated with each other in a detachable sealing mode.

4. The negative pressure rotary sampling device of claim 2 or 3, wherein: the inner tube is including the interior horizontal pipe of level setting and the vertical pipe of vertical setting, interior horizontal pipe and vertical pipe are perpendicular and intercommunication each other, the bottom of vertical pipe is located to the sample takeover.

5. The negative pressure rotary sampling device of claim 4, wherein: the sampling connecting pipe is obliquely arranged relative to the axis of the vertical pipe.

6. The negative pressure rotary sampling device of claim 4, wherein: the bottom of sampling takeover has the sample connection, the sample connection has 30~45 slope openings.

7. The negative pressure rotary sampling device of claim 5, wherein: the bottom of sampling takeover has the sample connection, the sample connection has 30~45 slope openings.

8. The negative pressure rotary sampling device of claim 7, wherein: the sampling connecting pipe is inclined by 30-45 degrees.

9. The negative pressure rotary sampling device of any one of claims 2-3, wherein: the outer tube is coaxially arranged with the rotating inner shaft and the inner tube.

10. The negative pressure rotary sampling device of claim 9, wherein: the outer pipe comprises an outer horizontal pipe and a negative pressure connecting pipe, and at least one bend is arranged between the negative pressure connecting pipe and the outer horizontal pipe.

11. The negative pressure rotary sampling device of claim 10, wherein: the negative pressure connecting pipe and the outer horizontal pipe are perpendicular to each other, and the negative pressure connecting pipe and the outer horizontal pipe are arranged on the same horizontal plane.