CN220019048U

CN220019048U - Sampling device for methanol detection

Info

Publication number: CN220019048U
Application number: CN202321594208.1U
Authority: CN
Inventors: 陈臣
Original assignee: Nantong Inspection And Certification Co ltd
Current assignee: Nantong Inspection And Certification Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-11-14
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a sampling device for methanol detection, which relates to the technical field of sampling equipment and comprises a shell, wherein supporting plates are arranged at two ends of the bottom of the shell, screw rods are connected between the two groups of supporting plates and the shell through bearings, a transmission assembly is arranged in an inner cavity of the shell, the bottom of the transmission assembly is connected with the tops of the two groups of screw rods, screw nuts are connected to the outer walls of the two groups of screw rods in a threaded manner, a connecting block is connected to one side, close to the center of the shell, of the two groups of screw nuts, a mounting seat is arranged between the two groups of connecting blocks, a driving assembly is arranged in the inner cavity of the mounting seat, and a sampling tube is arranged at the bottom of the mounting seat. According to the methanol sampling device, the supporting plate, the screw nut, the screw rod, the connecting block and the transmission assembly are matched, so that the installation seat can be driven to lift, the sampling tube and the sampling tube are driven to lift when the installation seat lifts, the methanol sampling with different depths can be completed, and the detection data of the methanol are more accurate.

Description

Sampling device for methanol detection

Technical Field

The utility model relates to the technical field of sampling equipment, in particular to a sampling device for methanol detection.

Background

Methanol has high toxicity to human body, and methanol is methanol and formic acid as metabolic products in human body, and has toxicity higher than that of methanol, so that the methanol can cause chronic poisoning even if the human body ingests a very small amount of methanol, and the methanol is taken as colorless liquid with alcohol smell, and is often used for manufacturing fake wine by some lawless persons.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, and the Chinese patent publication No. CN209878392U discloses a methanol recycling sampling device, which comprises a shell, an assembling mechanism and a protecting mechanism, wherein first limit grooves are formed in two sides of the shell, a sampling port is formed in the bottom of the shell, the assembling mechanism is arranged at the top of the shell, the protecting mechanism is arranged at the bottom of the sampling port, the assembling mechanism comprises a connecting block at the top of the shell, a piston rod is arranged at the top of the connecting block, a clamping groove is formed in the connecting block, first spring grooves are formed in two sides of the connecting block, first limit springs are arranged in the first spring grooves, and one end of each first limit spring is fixedly connected with a first sliding block; the connecting block and the shell can be conveniently and quickly separated through the set pulling bolt, the connecting block and the shell are directly separated, abrasion caused by rotation to the piston during separation is avoided, and although the device can meet basic sampling requirements, the device is more troublesome if the methanol with different depths is required to be taken, and the shell with different lengths is required to be replaced, so that the requirements of people cannot be well met.

Disclosure of Invention

In order to solve the problem that the above mentioned device is troublesome in that the device needs to replace shells with different lengths if the methanol with different depths is required, and therefore, the device can not well meet the needs of people, the utility model provides a sampling device for detecting the methanol.

The utility model provides a sampling device for methanol detection, which adopts the following technical scheme:

the utility model provides a sampling device for methanol detection, includes the casing, the backup pad is all installed at the both ends of casing bottom, two sets of the backup pad with be connected with the lead screw through the bearing between the casing, the inner chamber of casing is provided with drive assembly, drive assembly's bottom and two sets of the top of lead screw is connected, two sets of the equal threaded connection of outer wall of lead screw has the screw, two sets of the screw is close to one side at casing center is connected with the connecting block, two sets of install the mount pad between the connecting block, the inner chamber of mount pad is provided with drive assembly, the sampling tube is installed to the bottom of mount pad, the both ends of drive assembly bottom are connected with the connecting rod, two sets of the bottom of connecting rod stretches into the inner chamber of sampling tube and installs the sampling tube, the bottom of sampling tube one side is connected with the delivery pipe, delivery pipe with the inner chamber of sampling tube all is provided with the check valve.

Through adopting above-mentioned technical scheme, insert the sampling tube in waiting the sampling methanol tank, open the check valve on the sampling tube, drive the connecting rod through drive assembly and remove, remove through the connecting rod and drive piston board upward movement, in the methanol just got into the sampling tube this moment, when needing to get the methanol of different degree of depth, drive two sets of screw synchronous rotation through drive assembly, drive two sets of screw and reciprocate when two sets of screw rotate, drive the mount pad through the connecting block when the screw moves and reciprocate, drive sampling tube and sampling tube reciprocate when the mount pad reciprocates, can accomplish the methanol sampling of different degree of depth, the accuracy of follow-up detection has been guaranteed.

Optionally, the drive assembly includes servo motor, servo motor installs the right-hand member of roof in the casing, servo motor's power take off end installs the driving shaft, the outer wall of driving shaft has cup jointed the action wheel, the casing inner chamber is kept away from the one end of driving shaft is connected with the driven shaft through the bearing, the outer wall of driven shaft has cup jointed from the driving wheel, the action wheel with from the driving wheel external drive is provided with connecting belt, the driving shaft with the bottom of driven shaft respectively with two sets of the top fixed connection of lead screw.

Through adopting above-mentioned technical scheme, during operation of servo motor drives the action wheel through the driving shaft and rotates, and the action wheel rotates and drives the rotation of follow driving wheel through connecting belt, and the rotation of follow driving wheel drives the driven shaft and rotates to can rotate through driving shaft and driven shaft and drive two sets of lead screws synchronous rotation.

Optionally, the drive assembly includes positive and negative motor, positive and negative motor installs the interior roof of mount pad, the screw rod is installed to positive and negative motor's power take off end, the bottom of screw rod with the interior bottom wall of mount pad rotates to be connected, the outer wall threaded connection of screw rod has the slide, the bottom of slide with two sets of the top fixed connection of connecting rod.

Through adopting above-mentioned technical scheme, drive the screw rod and rotate when positive and negative motor starts, the screw rod rotates drive slide upward movement, drives the piston board through the connecting rod when the slide moves and reciprocates to can take a sample to methyl alcohol.

Optionally, a sliding component is arranged between the sliding plate and the mounting seat, the sliding component comprises two groups of pulleys, the two groups of pulleys are rotatably mounted on two sides of the sliding plate, sliding grooves are formed in two sides of an inner cavity of the mounting seat, and the pulleys are in rolling connection with the sliding grooves.

Through adopting above-mentioned technical scheme, can drive the pulley and roll in the spout when the slide is removing for the slide is more smooth and easy at the in-process that removes, avoids appearing the condition of card as far as possible.

Optionally, the sampling tube is a transparent sampling tube, and the outer wall of the sampling tube is provided with scale marks at equal intervals.

Through adopting above-mentioned technical scheme, observe the sample volume of methyl alcohol through the cooperation effect of scale mark.

Optionally, the top of casing is connected with the handle, the outer wall of handle has cup jointed the rubber sleeve.

Through adopting above-mentioned technical scheme to can carry out the work of taking a sample to methyl alcohol through handheld handle department, the setting of rubber sleeve has increased the frictional force between staff's hand and the handle.

In summary, the present utility model includes at least one of the following beneficial effects:

(1) Through backup pad, screw, lead screw, connecting block and drive assembly's cooperation setting to can drive the mount pad and go up and down, drive sampling tube and go up and down when the mount pad goes up and down, thereby can accomplish the methyl alcohol sample of different degree of depth, make the detected data of methyl alcohol more accurate.

(2) Through the cooperation setting of slide, screw rod and positive and negative motor, the drive assembly during operation passes through the connecting rod and drives the piston board and reciprocate to can take a sample the work to methyl alcohol, need not artifical manual operation, improve the sampling efficiency of device.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is a schematic diagram of the structure a in fig. 1 according to the present utility model.

In the figure: 1. a housing; 2. a support plate; 3. a nut; 4. a screw rod; 5. a mounting base; 6. a connecting rod; 7. a sampling tube; 8. an oil outlet pipe; 9. a sampling tube; 10. a one-way valve; 11. a piston plate; 12. a drive assembly; 1201. a slide plate; 1202. a screw; 1203. a forward and reverse motor; 13. a connecting block; 14. a transmission assembly; 1401. a driving shaft; 1402. a driving wheel; 1403. a servo motor; 1404. a connecting belt; 1405. a driven shaft; 1406. driven wheel; 15. a handle; 16. scale marks; 17. a sliding assembly; 1701. a pulley; 1702. and a sliding groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2 of the drawings, one embodiment of the present utility model is provided: the utility model provides a sampling device for methanol detection, includes casing 1, and the equal fixed mounting in both ends of casing 1 bottom has backup pad 2, and the top fixedly connected with handle 15 of casing 1, the rubber sleeve has been cup jointed to the outer wall of handle 15. Therefore, the methanol can be sampled by holding the handle 15, and the friction between the hands of the staff and the handle 15 is increased due to the arrangement of the rubber sleeve.

Referring to fig. 1 of the drawings, a screw rod 4 is rotatably connected between two groups of support plates 2 and a shell 1 through bearings, a transmission assembly 14 is arranged in an inner cavity of the shell 1, the bottom of the transmission assembly 14 is connected with the tops of the two groups of screw rods 4, the transmission assembly 14 comprises a servo motor 1403, the servo motor 1403 is fixedly arranged at the right end of the inner top wall of the shell 1, a driving shaft 1401 is arranged at the power output end of the servo motor 1403, a driving wheel 1402 is fixedly sleeved on the outer wall of the driving shaft 1401, one end, far away from the driving shaft 1401, of the inner cavity of the shell 1 is connected with a driven shaft 1405 through bearings, a driven wheel 1406 is fixedly sleeved on the outer wall of the driven shaft 1405, a connecting belt 1404 is arranged outside the driving wheel 1402 and the driven wheel 1406 in a transmission mode, and the bottoms of the driving shaft 1401 and the driven shaft 1405 are respectively fixedly connected with the tops of the two groups of screw rods 4. When the servo motor 1403 works, the driving wheel 1402 is driven to rotate through the driving shaft 1401, the driving wheel 1402 rotates to drive the driven wheel 1406 to rotate through the connecting belt 1404, and the driven wheel 1406 rotates to drive the driven shaft 1405 to rotate, so that two groups of screw rods 4 can be driven to synchronously rotate through the rotation of the driving shaft 1401 and the driven shaft 1405.

Please refer to fig. 1 and 2 in the drawings of the specification, the outer walls of the two groups of screw rods 4 are connected with screw nuts 3 in a threaded manner, one side, close to the center of the shell 1, of the two groups of screw nuts 3 is fixedly connected with a connecting block 13, a mounting seat 5 is fixedly installed between the two groups of connecting blocks 13, a driving assembly 12 is arranged in an inner cavity of the mounting seat 5, a sampling tube 7 is installed at the bottom of the mounting seat 5, the sampling tube 7 is a transparent sampling tube, and scale marks 16 are arranged on the outer wall of the sampling tube 7 at equal intervals. The amount of methanol sampled is observed by the cooperation of the graduation marks 16.

Referring to fig. 1 of the drawings, two ends of the bottom of a driving assembly 12 are fixedly connected with connecting rods 6, bottoms of two groups of connecting rods 6 extend into an inner cavity of a sampling tube 7 and are provided with piston plates 11, the driving assembly 12 comprises a forward and reverse motor 1203, the forward and reverse motor 1203 is arranged on the inner top wall of an installation seat 5, a screw 1202 is arranged at the power output end of the forward and reverse motor 1203, the bottom of the screw 1202 is rotationally connected with the inner bottom wall of the installation seat 5, a sliding plate 1201 is in threaded connection with the outer wall of the screw 1202, and the bottoms of the sliding plates 1201 are fixedly connected with the tops of the two groups of connecting rods 6. When the forward and reverse motor 1203 is started, the screw 1202 is driven to rotate, the screw 1202 rotates to drive the slide plate 1201 to move upwards, and when the slide plate 1201 moves, the piston plate 11 is driven to move upwards through the connecting rod 6, so that methanol can be sampled.

Referring to fig. 1 and 3 in the drawings, a sliding assembly 17 is disposed between a sliding plate 1201 and a mounting seat 5, the sliding assembly 17 includes two sets of pulleys 1701, the two sets of pulleys 1701 are rotatably mounted on two sides of the sliding plate 1201, two sides of an inner cavity of the mounting seat 5 are provided with sliding grooves 1702, and the pulleys 1701 are in rolling connection with the sliding grooves 1702. When the sliding plate 1201 moves, the pulley 1701 can be driven to roll in the sliding groove 1702, so that the sliding plate 1201 is smoother in the moving process, and the situation of jamming is avoided as much as possible. The bottom fixedly connected with sampling tube 9 of sampling tube 7, the bottom fixedly connected with of sampling tube 7 one side goes out oil pipe 8, goes out oil pipe 8 and sampling tube 9's inner chamber and all is provided with check valve 10.

Working principle: when the device is used, a worker can hold the handle 15 by hand firstly, then insert the sampling tube 9 into a methanol tank to be sampled, open the one-way valve 10 on the sampling tube 9, start the positive and negative motor 1203, drive the screw 1202 to rotate when the positive and negative motor 1203 works, drive the screw 1202 to rotate, drive the slide 1201 to move upwards, drive the piston plate 11 to move upwards through the connecting rod 6 when the slide 1201 moves, methanol just enters the sampling tube 7 at the moment, close the one-way valve 10 on the sampling tube 9, incline the device, prepare a beaker for testing, open the one-way valve 10 on the oil outlet tube 8, pour the methanol into the beaker, and then finish the sampling of the methanol.

When methanol with different depths is required to be taken, a servo motor 1403 is started, the servo motor 1403 drives a driving wheel 1402 to rotate through a driving shaft 1401, the driving wheel 1402 rotates to drive a driven wheel 1406 to rotate through a connecting belt 1404, the driven wheel 1406 rotates to drive a driven shaft 1405 to rotate, two groups of screw rods 4 are driven to synchronously rotate when the driving shaft 1401 and the driven shaft 1405 rotate, two groups of screw rods 4 are driven to vertically move when the two groups of screw rods 4 rotate, a mounting seat 5 is driven to vertically move through a connecting block 13 when the screw rods 3 move, a sampling cylinder 7 and a sampling tube 9 are driven to vertically move when the mounting seat 5 moves up and down, when the servo motor 1403 is stopped when the servo motor moves to a proper position, sampling steps are repeated, and then methanol with different depths can be sampled, so that the accuracy of subsequent detection is ensured.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a sampling device for methanol detection, includes casing (1), its characterized in that: the utility model discloses a sampling device, including casing (1), backup pad (2), two sets of backup pad (2) with be connected with lead screw (4) through the bearing between casing (1), the inner chamber of casing (1) is provided with drive assembly (14), the bottom and the two sets of drive assembly (14) the top of lead screw (4) is connected, two sets of equal threaded connection of outer wall of lead screw (4) has screw (3), two sets of screw (3) are close to one side at casing (1) center is connected with connecting block (13), two sets of install mount pad (5) between connecting block (13), the inner chamber of mount pad (5) is provided with actuating assembly (12), sample tube (7) are installed to the bottom of mount pad (5), the both ends of drive assembly (12) bottom are connected with connecting rod (6), and two sets of the bottom of connecting rod (6) stretches into the inner chamber of sample tube (7) and installs piston plate (11), the bottom of sample tube (7) is connected with sampling tube (9), the bottom of sample tube (8) has sampling tube (8) and one side sampling tube (8).

2. The sampling device for methanol detection as defined in claim 1, wherein: the transmission assembly (14) comprises a servo motor (1403), the right end of roof in casing (1) is installed to servo motor (1403), driving shaft (1401) is installed to the power take off end of servo motor (1403), action wheel (1402) has been cup jointed to the outer wall of driving shaft (1401), casing (1) inner chamber is kept away from the one end of driving shaft (1401) is connected with driven shaft (1405) through the bearing, driven shaft (1406) has been cup jointed to the outer wall of driven shaft (1405), action wheel (1402) with driven shaft (1406) external drive is provided with connecting belt (1404), driving shaft (1401) with the bottom of driven shaft (1405) respectively with two sets of top fixed connection of lead screw (4).

3. The sampling device for methanol detection as defined in claim 1, wherein: the driving assembly (12) comprises a positive motor (1203), the positive motor (1203) is installed on the inner top wall of the installation seat (5), a screw rod (1202) is installed at the power output end of the positive motor (1203), the bottom of the screw rod (1202) is rotationally connected with the inner bottom wall of the installation seat (5), a sliding plate (1201) is connected with the outer wall of the screw rod (1202) through threads, and the bottom of the sliding plate (1201) is fixedly connected with the tops of the two groups of connecting rods (6).

4. A sampling device for methanol detection as defined in claim 3, wherein: the sliding assembly (17) is arranged between the sliding plate (1201) and the mounting seat (5), the sliding assembly (17) comprises two groups of pulleys (1701), the two groups of pulleys (1701) are rotatably mounted on two sides of the sliding plate (1201), sliding grooves (1702) are formed in two sides of an inner cavity of the mounting seat (5), and the pulleys (1701) are in rolling connection with the sliding grooves (1702).

5. The sampling device for methanol detection as defined in claim 1, wherein: the sampling tube (7) is a transparent sampling tube, and graduation lines (16) are arranged on the outer wall of the sampling tube (7) at equal intervals.

6. The sampling device for methanol detection as defined in claim 1, wherein: the top of casing (1) is connected with handle (15), the outer wall of handle (15) has cup jointed the rubber sleeve.