CN215506816U - But constant temperature and humidity equipment is weighed to sealed operation type low concentration - Google Patents

Abstract

The utility model belongs to the technical field of environmental protection measuring equipment and specifically relates to a but seal operation type low concentration and weigh constant temperature and humidity equipment is related to, and it is including the box that maintains constant temperature and constant pressure environment, and box lateral wall is articulated to be provided with the work window, and with box sealing connection when the work window is closed, two operation mouths have been seted up to the work window, and two operation mouth inboard fixes being provided with latex gloves, its characterized in that: the inner side of the working window is provided with a blocking piece used for limiting the position of the latex gloves when the working window is opened and closed, and the blocking piece separates the latex gloves from the samples. This application utilizes to block and stops to block between latex gloves and sample, and the position when rocking latex gloves is injectd, has reduced the latex gloves who rocks and has bumped the probability that spills with the sample, has saved the process to box clearance and resample, reaches and has accelerated the effect of weighing the operation progress.

Description

But constant temperature and humidity equipment is weighed to sealed operation type low concentration

Technical Field

The application relates to the field of environment-friendly measuring equipment, in particular to a sealable operation type low-concentration weighing constant-temperature constant-humidity equipment.

Background

The existing low-concentration weighing constant-temperature and constant-humidity equipment is suitable for detecting the concentration of waste gas of a fixed pollution source so as to assist in measuring the environment-friendly condition; when the device is used, the chimney where the waste gas of a pollution source is discharged needs to be sampled, then the sample is placed into equipment with constant temperature and humidity, and the sample is manually weighed by using a high-precision balance in the equipment after being balanced for 24 hours, so that the influence of the change of the ambient temperature and humidity on the sample weighing result is reduced by setting the constant temperature and the constant pressure, and the accuracy of the sample weighing result is greatly improved.

The correlation technique can refer to the chinese patent with publication number CN211978091U, it discloses a constant temperature and humidity equipment is weighed to low concentration, including support and the fixed box that sets up at the support top, maintain the environmental condition at constant temperature and constant pressure in the box, put sample tray and high accuracy balance in the box, box lateral wall department still articulates the work window that is provided with and can opens and close, has seted up two operation mouths on the work window, and two operation mouths all fix the latex gloves that are provided with convenient operation towards one side of box inside. When weighing the sample, let operating personnel stretch into the latex glove with the hand, then take the sample and place and weigh on high accuracy balance, obtain the weighing result.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when rotating and opening or closing the work window, the work window can drive latex gloves and take place to rock, and the latex gloves that rock can appear bumping the condition of spilling with the sample, need to take a sample again and put in the box after the box clearance, lead to weighing the operation progress slow.

SUMMERY OF THE UTILITY MODEL

In order to accelerate the progress speed of the weighing operation, the application provides a sealable operation type low-concentration weighing constant-temperature and constant-humidity device.

The application provides a can seal operation type low concentration and weigh constant temperature and humidity equipment adopts following technical scheme:

the utility model provides a but seal operation type low concentration weighs constant temperature and humidity equipment, is including the box that maintains constant temperature and pressure environment, and the box lateral wall is articulated to be provided with the work window, and with box sealing connection, two operation mouths have been seted up to the work window when the work window is closed, and two operation mouthful inboard fixes being provided with latex gloves, its characterized in that: the inner side of the working window is provided with a blocking piece used for limiting the position of the latex gloves when the working window is opened and closed, and the blocking piece separates the latex gloves from the samples.

By adopting the technical scheme, the latex gloves isolate the two hands of an operator from the box body, so that the influence on the constant temperature and humidity conditions during manual operation is reduced; before opening or closing the work window, earlier utilize to block and block between latex gloves and sample, and then inject the position when rocking latex gloves, reduced the latex gloves that rocks and bumped the probability that spills with the sample, saved the process to box clearance and resample, reached and accelerated the effect of weighing the operation progress.

Optionally, the blocking piece comprises a base and a blocking plate, the base is fixedly connected with the inner side wall of the working window, the blocking plate is connected with the base in a sliding manner, the blocking plate is connected with a lifting device used for driving the blocking plate to lift, and the blocking piece blocks the latex gloves when rising.

By adopting the technical scheme, the base is fixedly connected with the working window, and the working window drives the base to synchronously rotate when being rotated to open and close, so that the barrier plate and the working window are driven to synchronously rotate; before the work window rotates to open and close, utilize elevating gear to block the board and rise and block latex gloves, elevating gear's setting has realized the controllability of block board position, when using latex gloves to operate, utilizes elevating gear to reduce the block board to remove the block board to latex gloves, and then realized the control that the block board blockked the state, improved the practicality that blocks.

Optionally, the lifting device comprises a screw rod and a driving rod, the bottom end of the screw rod is rotatably connected with the base, the top end of the screw rod is inserted into the bottom of the barrier plate and is in threaded connection with the barrier plate, one end of the driving rod penetrates through the outer side of the working window, a transmission assembly used for transmitting the screw rod and the driving rod is arranged between the other end of the driving rod and the screw rod after the other end of the driving rod penetrates through the base, and the driving rod is rotatably connected with the base.

By adopting the technical scheme, the driving piece is rotationally connected with the base and rotates, and the driving piece drives the screw rod to rotate around the axis of the screw rod by utilizing the transmission assembly, so that the screw rod is driven to rotate; because the screw rod is in threaded connection with the blocking plate, the blocking plate is driven to move when the screw rod rotates, the blocking plate is lifted, and the convenience for driving the blocking plate to do lifting motion is improved.

Optionally, the transmission assembly is a bevel gear set, the bevel gear set includes a first wheel and a second wheel, the first wheel is fixedly connected with the screw, the second wheel is fixedly connected with the driving rod, the first wheel and the second wheel are both rotatably connected with the base, and the first wheel and the second wheel are engaged at the same time.

Through adopting above-mentioned technical scheme, because first round and second round respectively with screw rod and actuating lever fixed connection, simultaneously because first round and second round meshing have realized the synchronous rotation between first round, second round, screw rod and the actuating lever, have improved the driven convenience between realization screw rod and the actuating lever.

Optionally, the top of the base is provided with a containing groove, and the bottom end of the barrier plate is inserted into the containing groove.

Through adopting above-mentioned technical scheme, remove in the barrier plate bottom inserts the storage tank, the storage tank leads the lift of barrier plate, has improved barrier plate and base sliding connection's stability simultaneously.

Optionally, the side wall of the accommodating groove is provided with a sliding groove along the sliding direction of the blocking plate, the side wall of the blocking plate is fixedly connected with a sliding block, the sliding block is located in the sliding groove and connected with the sliding groove in a sliding manner, and the blocking plate reaches the required blocking height when the sliding block slides to the top of the sliding groove.

By adopting the technical scheme, the sliding block is fixedly connected with the blocking plate, the blocking plate drives the sliding block to slide along the sliding groove, the sliding groove and the sliding block are arranged to limit the moving range of the blocking plate, and the probability that the blocking plate rises to be separated from the base is reduced.

Optionally, the number of the screws is two, the blocking plate is split into a first plate and a second plate, and the first plate and the second plate are respectively in threaded connection with the two screws.

By adopting the technical scheme, the two screws are arranged, so that the barrier plate can be stably lifted without being blocked only when the two screws are synchronously rotated, but the difficulty coefficient of synchronously rotating the two screws is large; the blocking plate is split into the first plate and the second plate, the two screws are respectively rotated, and simultaneously the two screws respectively drive the first plate and the second plate to independently lift, so that the difficulty coefficient for driving the blocking plate to lift is reduced, and the probability of blocking when the blocking plate lifts is reduced.

Optionally, both sides of the blocking plate are respectively and fixedly provided with a side plate, and the side plates cover a gap between the side edge of the blocking plate and the inner wall of the working window.

Through adopting above-mentioned technical scheme, because the curb plate has covered the gap between baffle curb plate and the work window inner wall, two lateral walls stop latex glove both sides, have improved and have blockked the comprehensive nature that the piece blockked latex glove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the position of the latex gloves during shaking is limited by the arrangement of the blocking piece, so that the probability that the samples are sprayed by the shaken latex gloves is reduced, the procedures of cleaning the box body and re-sampling are saved, and the effect of accelerating the progress of weighing operation is achieved;

2. the arrangement of the base, the barrier plate and the lifting device realizes the adjustability of the position of the barrier plate, when the latex gloves are used for operation, the lifting device is utilized to lower the barrier plate so as to remove the barrier plate from blocking the latex gloves, further realize the control of the barrier state of the barrier plate and improve the practicability of the barrier member;

3. through the setting of first board and second board, utilize two screws to drive first board and second board respectively and go up and down alone, reduced the degree of difficulty coefficient that the drive barrier plate goes up and down, reduced the dead probability of card appearing when barrier plate goes up and down simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a constant temperature and humidity device with an open working window according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a blocking member in an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of the barrier member at the chute in an embodiment of the present application.

Description of reference numerals: 1. a box body; 2. a working window; 3. an operation port; 31. latex gloves; 4. a blocking member; 41. a base; 411. a containing groove; 4111. a chute; 42. a blocking plate; 421. a first plate; 4211. a slider; 422. a second plate; 43. a side plate; 5. a lifting device; 51. a screw; 52. a drive rod; 521. an adjusting handle; 522. a vertical plate; 53. a bevel gear set; 531. a first wheel; 532. a second wheel; 6. and (4) a support.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses but constant temperature and humidity equipment is weighed to sealed operation type low concentration. Referring to fig. 1, a but seal operation type low concentration weighs constant temperature and humidity equipment is including the support 6 that is located ground and fixed setting at support 6 top and inside box 1 of locating the cavity, and high accuracy balance and sample are put to the pendulum in the cavity, and box 1 side is articulated to be provided with work window 2, and 2 inboard sides of work window are connected with latex gloves 31, and latex gloves 31 are provided with outward and block piece 4 when opening and close work window 2. When the opening and closing work window 2 is rotated, the latex gloves 31 are separated from the high-precision balance and the sample by the blocking piece 4, after the work window 2 is closed again, the blocking of the latex gloves 31 by the blocking piece 4 is removed, and the two hands of an operator stretch into the latex gloves 31 to carry out weighing operation.

Referring to fig. 1 and 2, work window 2 is vertical to be set up, the transparent window of work window 2 for convenient observation, work window 2 can adopt materials such as glass or transparent plastic, when work window 2 closes with box 1 sealing connection, two operation openings 3 have been seted up to 2 lateral walls of work window, two operation openings 3 are in the same high department on work window 2, two operation openings 3 all run through the inside wall of work window 2, two operation openings 3 are aimed at with two latex gloves 31, and two operation openings 3 are fixed and sealing connection with two latex gloves 31 respectively.

Firstly, pulling work window 2 and rotating and keeping away from box 1, make work window 2 open, then the sample of taking is put in box 1, and put the position of high accuracy balance well, then promote work window 2 and rotate and be close to box 1, close completely until work window 2, then let operating personnel's both hands pass two operation ports 3 respectively and get into two latex gloves 31 in, latex glove 31 separates operating personnel's both hands and the environment and the high accuracy peaceful sample of constant temperature and humidity in the box 1, the influence to the environment in box 1 when reducing operating personnel operation, cause the pollution with preventing operating personnel both hands to high accuracy peaceful sample simultaneously.

Referring to fig. 2, the blocking member 4 includes a base 41, a blocking plate 42 and side plates 43, the base 41 is vertically and fixedly disposed at a position below the operation opening 3 of the working window 2, the blocking plate 42 is vertically disposed at one side of the latex glove 31 far away from the working window 2, the blocking plate 42 is connected with the lifting device 5, the lifting device 5 drives the blocking plate 42 to lift along the vertical direction, the two side plates 43 are vertically disposed, the two side plates 43 are respectively and fixedly disposed at two ends of the blocking plate 42 and close to one side of the working window 2, and the two side plates 43 are all perpendicular to the blocking plate 42.

Referring to fig. 2 and 3, the base 41 is a half-square frame, the side walls of the two ends of the base 41 are fixedly connected to the inner side wall of the working window 2, the top end of the base 41 is lower than the height of the operation opening 3, the top end of the base 41 is vertically provided with a containing groove 411, the shape of the containing groove 411 is similar to that of the base 41, and the side walls of the two ends of the containing groove 411 respectively penetrate through the side walls of the two ends of the base 41 close to the working window 2.

Referring to fig. 2 and 3, the bottom ends of the blocking plate 42 and the two side plates 43 are inserted into the receiving groove 411, when the blocking plate 42 and the two side plates 43 are completely inserted, the top ends of the blocking plate 42 and the two side plates 43 are flush with the top end of the base 41, the side walls of the two side plates 43 far away from the blocking plate 42 are abutted to the inner side walls of the working window 2, and the blocking plate 42 and the two side plates 43 are connected with the base 41 in a sliding manner along the vertical direction. When the operator puts both hands into the latex glove 31 to perform the weighing operation, the bottom ends of the blocking plate 42 and the two side plates 43 are both abutted against the bottom wall of the accommodating groove 411, and the blocking plate 42 and the two side plates 43 do not limit the moving range of the latex glove 31.

Referring to fig. 2, the blocking plate 42 is separated into a first plate 421 and a second plate 422, the first plate 421 and the second plate 422 are aligned in the horizontal direction, the abutting joint between the first plate 421 and the second plate 422 is smooth, and the first plate 421 and the second plate 422 are respectively fixedly connected with the two side plates 43.

Referring to fig. 2 and 3, the lifting device 5 includes two screws 51, a driving rod 52 and a bevel gear set 53, the screws 51, the driving rod 52 and the bevel gear set 53 are all provided with two screws 51, the two screws 51 are respectively vertically arranged in the base 41, the bottom ends of the two screws 51 are respectively connected with the base 41 in a rotating manner, the top ends of the two screws 51 are respectively inserted into the first plate 421 and the second plate 422 and are in threaded connection with the first plate 421 and the second plate 422, the driving rod 52 is horizontally arranged at the bottom end of the base 41, the driving rod 52 is connected with the bottom end of the base 41 in a rotating manner, the bevel gear set 53 is arranged between one end of the driving rod 52 and the bottom end of the screw 51, the other end of the driving rod passes through the working window 2, and the driving rod 52 is also connected with the working window 2 in a rotating manner.

Referring to fig. 2 and 3, the position of the screw 51 in the base 41 is unchanged, the bottom end of the screw 51 penetrates out of the bottom end of the base 41, two screws 51 are respectively arranged at one end of the first plate 421 and the second plate 422 close to the adjacent side plate 43, and the top end of the screw 51 is flush with the top end of the base 41. The two screws 51 are respectively rotated, and the two screws 51 respectively drive the first plate 421 and the second plate 422 to ascend and descend along the accommodating slot 411.

Referring to fig. 2 and 3, the driving rod 52 is arranged parallel to the side plate 43, the driving rod 52 is located at the bottom end of the base 41 and far away from the side plate 43, the driving rod 52 is suspended at the bottom wall of the cavity in the box body 1, a vertical plate 522 is arranged between the driving rod 52 and the base 41, the top end of the vertical plate 522 is fixedly connected with the bottom end of the base 41, and the vertical plate 522 is sleeved at the outer side of the driving rod 52 and is rotatably connected with the driving rod 52; in order to facilitate the adjustment of the driving rod 52 by the operator outside the working window 2, an adjusting handle 521 is fixedly connected to one end of the driving rod 52 penetrating through the working window 2. After the working window 2 is closed, the adjusting handle 521 is rotated, the adjusting handle 521 drives the driving rod 52 to rotate around the axis of the driving rod, and the vertical plate 522 supports the rotation of the driving rod 52.

Referring to fig. 2 and 3, the bevel gear set 53 includes a first wheel 531 horizontally disposed and a second wheel 532 vertically disposed, a top center of the first wheel 531 is fixedly connected to a bottom end of the screw 51, a side wall center of the second wheel 532 far from the first wheel 531 is fixedly connected to an end of the driving rod 52 far from the adjusting handle 521, the second wheel 532 and the first wheel 531 are both bevel gears, and the second wheel 532 is meshed with the first wheel 531.

Before the working window 2 is opened to place a sample, the adjusting handle 521 is rotated, the adjusting handle 521 drives the driving rod 52 to rotate around the axis of the driving rod 52, the driving rod 52 drives the second wheel 532 to rotate synchronously, the second wheel 532 drives the first wheel 531 to rotate, then the first wheel 531 drives the screw rod 51 to rotate synchronously, transmission between the driving rod 52 and the screw rod 51 is realized, the rotating direction of force is changed, the screw rod 51 rotates to drive the first plate 421 to slide along the accommodating groove 411 in the direction far away from the driving rod 52, and the first plate 421 drives the connected side plates 43 to rise gradually and synchronously until the first plate 421 reaches a required blocking position.

Then, the step is repeated for another adjusting handle 521 until the second plate 422 drives the required blocking position, at the moment, the first plate 421 and the second plate 422 are located at the same height, the latex gloves 31 are covered by the first plate 421, the second plate 422 and the two side plates 43, and then the latex gloves 31 are separated from the high-precision balance and the sample, so that the probability that the samples are splashed by the latex gloves 31 which shake when the working window 2 is opened again is reduced, the procedures of cleaning and resampling the box body 1 are saved, and the effect of accelerating the progress of the weighing operation is achieved.

After the sample is placed and the working window 2 is closed, the adjusting handle 521 is rotated reversely, the adjusting handle 521 drives the driving rod 52 and the screw rod 51 to rotate reversely, the screw rod 51 drives the blocking plate 42 to be gradually reduced until the bottom end of the blocking plate 42 is abutted against the bottom wall of the accommodating groove 411, the blocking of the blocking plate 42 to the front of the latex glove 31 is removed, and then the latex glove 31 is utilized to start weighing operation.

In order to prevent the blocking plate 42 from being separated from the base 41 when rising, referring to fig. 3, two sliding grooves 4111 are vertically formed in the side wall of the accommodating groove 411 away from the latex glove 31, the top end of the sliding groove 4111 does not penetrate through the top end of the base 41, and the two sliding grooves 4111 are respectively close to the first plate 421 and the second plate 422; two sliding blocks 4211 are used in cooperation with the two sliding grooves 4111, the two sliding blocks 4211 are respectively located in the two sliding grooves 4111 and are in sliding connection with the two sliding grooves 4111, referring to fig. 2, the side walls of the two sliding blocks 4211 are respectively fixedly connected with the side walls of the first plate 421 and the second plate 422, which are far away from the working window 2. When the first plate 421 and the second plate 422 go up and down along the containing groove 411, the two sliders 4211 are driven to respectively slide along the two sliding grooves 4111, and when the top end of the slider 4211 abuts against the side wall of the top end of the sliding groove 4111, the blocking plate 42 is just at the required blocking height.

The implementation principle of the sealable operation type low-concentration weighing constant-temperature and constant-humidity equipment in the embodiment of the application is as follows: when utilizing this application equipment to weigh the operation to the outer solid-state granule of chimney department of arranging of taking, utilize elevating gear 5 earlier to rise barrier plate 42 and curb plate 43 and cover latex gloves 31, then open work window 2, drive latex gloves 31 and elevating gear 5 synchronous rotation when work window 2 rotates, place the sample again in the cavity of box 1, close work window 2 after the sample is placed and is accomplished, later let the sample maintain 24h in the constant temperature and humidity's of box 1 environment, later operating personnel stretches into two latex gloves 31 with both hands and weighs the work to beginning.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a can seal operation type low concentration and weigh constant temperature and humidity equipment, is including box (1) that maintains constant temperature and pressure environment, and box (1) lateral wall is articulated to be provided with work window (2), when work window (2) are closed with box (1) sealing connection, two operation mouth (3) have been seted up in work window (2), and two operation mouth (3) inboard are fixed and are provided with latex gloves (31), its characterized in that: work window (2) inboard is provided with and is used for prescribing a limit to stop piece (4) of latex gloves (31) place position when opening and close work window (2), stops piece (4) and hinders latex gloves (31) and sample and separate, stop piece (4) including base (41) and block board (42), base (41) and work window (2) inside wall fixed connection, block board (42) and base (41) sliding connection, block board (42) and be connected with and be used for driving elevating gear (5) that block board (42) and go up and down, block and block when piece (4) risees and block latex gloves (31).

2. A sealably operable low-concentration weighing thermostatic and humidistatic device according to claim 1, wherein: elevating gear (5) include screw rod (51) and actuating lever (52), screw rod (51) bottom is rotated with base (41) and is connected, screw rod (51) top insert baffle (42) bottom and with baffle (42) threaded connection, actuating lever (52) one end is worn to work window (2) outside, the other end passes base (41) back and is provided with between screw rod (51) and be used for carrying on the driven transmission assembly between screw rod (51) and actuating lever (52), actuating lever (52) rotate with base (41) and are connected.

3. A sealably operable low-concentration weighing thermostatic and humidistatic apparatus according to claim 2, wherein: the transmission assembly is a bevel gear set (53), the bevel gear set (53) comprises a first wheel (531) and a second wheel (532), the first wheel (531) is fixedly connected with the screw rod (51), the second wheel (532) is fixedly connected with the driving rod (52), the first wheel (531) and the second wheel (532) are both rotatably connected with the base (41), and meanwhile the first wheel (531) is meshed with the second wheel (532).

4. A sealably operable low-concentration weighing thermostatic and humidistatic device according to claim 1, wherein: the top of the base (41) is provided with a containing groove (411), and the bottom end of the blocking plate (42) is inserted into the containing groove (411).

5. The sealably operable low-concentration weighing thermostatic and humidistatic device of claim 4, wherein: storage tank (411) lateral wall has seted up spout (4111) along stopping board (42) slip direction, stops board (42) lateral wall fixedly connected with slider (4211), and slider (4211) are located spout (4111) and slide with spout (4111) and are connected, stops board (42) and reachs the required height that blocks when slider (4211) slide to spout (4111) top.

6. A sealably operable low-concentration weighing thermostatic and humidistatic apparatus according to claim 2, wherein: the two screw rods (51) are arranged, the blocking plate (42) is split into a first plate (421) and a second plate (422), and the first plate (421) and the second plate (422) are in threaded connection with the two screw rods (51) respectively.

7. A sealably operable low-concentration weighing thermostatic and humidistatic device according to claim 1, wherein: and side plates (43) are fixedly arranged on two sides of the blocking plate (42) respectively, and the side plates (43) cover gaps between the side edges of the blocking plate (42) and the inner wall of the working window (2).

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