CN217605832U

CN217605832U - Portable water quality heavy metal detector

Info

Publication number: CN217605832U
Application number: CN202221340103.9U
Authority: CN
Inventors: 郝建利; 孙文明; 刘祯燕; 孟婧杰; 陈丽丽; 杨永艳; 赵纯; 李春洋
Original assignee: Henan Jinming Testing Technology Service Co ltd
Current assignee: Henan Jinming Testing Technology Service Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-10-18
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a portable quality of water heavy metal detector, the utility model discloses set up to box-like box structure of lid, only detecting system in the detection case, digestion system, print system, power and data total accuse unit, the detection case left end sets up the holding tank, two sets of two-way lead screw are connected to the holding tank internal rotation, screw-thread fit longitudinal movement translation piece on the two-way lead screw, make the rotation of two-way lead screw support bracing piece and the universal wheel body in the holding tank, the rotation of two-way lead screw drives transmission through the pull rod and carries out the transmission and connect, be provided with length adjustable pull rod locking device between pull rod and the box, conveniently carry out the pulling transportation work of box, this device conveniently carries and shifts, the experiment necessity conveniently accomodates and carries, time saving and labor saving, the regulation of pull rod is suitable for different user groups, wide application scope, it is convenient to adjust, can carry out the dismantlement formula cleanness to the colorimetric groove simultaneously, the detection precision of the detection of improvement device.

Description

Portable water quality heavy metal detector

Technical Field

The utility model belongs to the technical field of water quality testing equipment, especially, relate to a portable quality of water heavy metal detector.

Background

Water is a source of life and is a resource on which people rely for survival, so that water conservation and water quality analysis are particularly important, water quality comprises drinking water, surface water, sewage and the like, corresponding water quality detection comprises drinking water detection, surface water detection, sewage detection and the like, whether water is polluted or not can be judged through water quality detection, the relationship between health and environment is inseparable, meanwhile, heavy metals which endanger the safety of human bodies are discharged in the processes of mining, smelting, manufacturing products and discharging waste water and waste gas, at present, workers in water quality detection departments need to carry out assay analysis, and the traditional method is often used by adopting an atomic absorption spectrophotometry.

Most of existing experimental detection instruments stay in a laboratory, which is inconvenient to carry, because of the matching used colorimetric bottles, test tubes and liquid moving devices are all necessary for water quality detection, which is inconvenient to carry and transport, especially in the process of sampling and detecting water quality on the spot, we often need to perform multi-point sampling detection in the same water area, thereby enabling the result to be more accurate, if one comes in the moving process between sampling points, the existing experimental detection instruments are inconvenient to move and carry, and because the colorimetric bottles are placed in the colorimetric tanks, the colorimetric tanks often contact unknown liquid before detection, although the colorimetric bottles can be cleaned before detection, but the colorimetric tanks are long-term, even a small amount of unknown liquid can also pollute the colorimetric tanks, which leads to inaccuracy of detection results, therefore, we want to design the colorimetric tanks into a detachable structure, which is convenient to clean after each experiment is completed, and avoid the next use of colorimetric tanks to influence the detection results, therefore, we need a portable water quality detector to be used for solving the problems urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing a portable quality of water heavy metal detector for the detector of prior art who mentions in solving the background art is inconvenient carries and transports, and portable type between the sampling point shifts inconveniently, and the experiment must article be inconvenient accomodate, has solved the problem of the easy dismantlement clearance of being convenient for after polluting of cell simultaneously.

The above technical object of the present invention can be achieved by the following technical solutions:

a portable water quality heavy metal detector comprises a detection box, wherein a detection system, a printing system, a digestion processing system, a power supply and a data master control unit are arranged in the detection box;

the left end of the detection box is provided with a holding tank with an opening arranged on the left side, the bottom of the holding tank is longitudinally and rotatably connected with two groups of two-way screw rods arranged at vertical intervals, the two-way screw rods are in threaded fit with two groups of translation blocks longitudinally and slidably connected with the bottom of the holding tank, the thread rotating directions of the two groups of translation blocks in threaded fit with the two-way screw rods are opposite, the front end and the rear end of each two-way screw rod are respectively provided with a support rod hinged on the bottom of the holding tank, a connecting rod is hinged between the left end of each support rod and the left end of the translation block on the corresponding side, the detection box is characterized in that articulated shafts among the support rod, the connecting rod and the translation plate are all vertically arranged, the end part of the support rod is connected with universal wheels, the right end of the detection box is provided with two groups of rectangular grooves which are transversely arranged, a U-shaped pull rod is transversely and slidably connected between the two groups of rectangular grooves, a pull rod length adjusting and locking device is connected between the pull rod and the detection box, the length of the pull rod is adjusted and then locked, a transmission device is connected between the pull rod and two groups of bidirectional lead screws, and the requirement that the two groups of bidirectional lead screws are driven to synchronously rotate by transverse relative movement between the pull rod and the detection box is met;

the detection case upper end is connected with detachable colorimetric tank structure, clears up the groove, and colorimetric system display screen clears up system display screen, and detachable colorimetric tank structure is connected with colorimetric system display screen and detecting system, clears up the groove and clears up system display screen and clear up processing system and be connected, detecting system, colorimetric system display screen, clear up processing system, power all with data always control between the unit electric connection.

Preferably, transmission is including installing the drive rack in pull rod U-shaped end one side, drive rack and vertical rotation connect the straight-teeth gear mesh in the detection case mutually, straight-teeth gear coaxial arrangement has the worm, the worm meshes with the worm wheel of vertical rotation connection in the detection case mutually, the meshing of worm and worm wheel satisfies that the worm wheel is reverse can not promote the worm and carry out the transmission, still includes the transmission shaft of vertical rotation connection in the holding tank bottom, the transmission is connected through the belt between the pivot of transmission shaft and worm wheel, the transmission is connected through the belt between the pivot of transmission shaft and two sets of two-way lead screw.

Preferably, pull rod length adjustment locking device includes the shadoof of horizontal sliding connection at the inside U-shaped of pull rod, be connected with the first spring of multiunit between in shadoof right-hand member and the pull rod, the left end of shadoof is connected with the L shape actuating handle who extends the pull rod, still includes the vertical fixed pin of installing on one of them group of U-shaped body of rod inside wall of pull rod, fixed pin upper end axial sliding sleeve establishes a sleeve and satisfies and does not break away from, be connected with the cover between sleeve and the pull rod inside wall and establish the second spring outside the fixed pin, the sleeve front end is connected with the bayonet lock that extends the pull rod front end, the lower extreme of shadoof one side be connected with sleeve complex flange, satisfy the horizontal relative movement of shadoof and pull rod, the vertical removal that moves of flange drive sleeve, with the sleeve homonymy open the shifting chute that has horizontal setting on the inside wall of rectangular channel, the shifting chute sets up the draw-in groove that has the multiunit interval to set up along horizontal direction, the bayonet lock cooperates respectively with draw-in groove and shifting chute.

Preferably, the pull rod is connected with a limiting plate arranged outside the detection box, and the end part of the driving handle is connected with a plurality of groups of rubber balls.

Preferably, the detachable colorimetric slot structure comprises a rectangular placement groove formed in the upper end of the detection box and a placement block matched with the placement groove, square grooves are formed in the front end and the rear end of the placement block respectively, a trapezoidal clamping block is longitudinally slidably connected in each square groove and does not break away from each other, a third spring is connected between each trapezoidal clamping block and the inner bottom surface of each square groove, trapezoidal grooves matched with the trapezoidal clamping blocks are formed in the inner side walls of the placement grooves in the front and the rear direction, the placement grooves are electrically connected with the detection system, and the upper ends of the placement blocks are connected with grooves used for placing colorimeters.

Preferably, the buckling device comprises a notch groove formed in the front end of the detection box, a moving block is transversely connected in the notch groove in a sliding mode, a fourth spring is connected between the right end of the moving block and the right side wall in the notch groove, the left end of the moving block is connected with a limiting column, and the buckling device further comprises a U-shaped hook connected to the front end of the cover body.

Preferably, the lid front end is opened there is the rectangle to put the thing groove, both sides are connected with the spring clamping piece that two sets of symmetries set up respectively about putting thing tank bottom setting, the lid front end is opened there are two sets of drawer grooves, drawer inslot sliding connection has the drawer fill and satisfies and not break away from, drawer tank bottom and drawer fill rear end are connected with the magnet that magnetism is different respectively, drawer in-bucket is connected with the baffle, be provided with the circular through-hole of multiunit in the baffle in the drawer fill.

Preferably, the upper end of the cover body is connected with a pull ring.

Preferably, the supporting rod is connected with a baffle, and the bottom of the accommodating groove is connected with a fifth spring which is matched with the baffle to drive the supporting rod to move leftwards.

The utility model has the advantages that: the utility model discloses improve prior art's quality of water heavy metal detector, set up to box-like box structure of lid, only detecting system in the detection case, digestion system, print system, power and data total control unit, the detection case left end sets up the holding tank, two sets of two-way lead screw are connected to the holding tank internal rotation, screw-thread fit longitudinal movement translation piece on the two-way lead screw, make the rotation of two-way lead screw support bracing piece and universal wheel body in the holding tank, the rotation of two-way lead screw drives transmission through the pull rod and carries out the transmission and connect, be provided with length adjustable pull rod locking device between pull rod and the box, conveniently carry out the pulling transportation work of box, be provided with detachable colorimetric tank structure in the detection case, realize the cleaning work of colorimetric tank, the utility model discloses conveniently carry and shift, experiment necessity conveniently accomodates and carry, labour saving and time, the regulation of pull rod is suitable for different use crowds, application scope is wide, it is convenient to adjust, it is clean to carry out the dismantlement formula simultaneously to the colorimetric tank, the detection precision of the detection of improving device, therefore, the clothes hanger is strong in practicability, and suitable for popularization.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a three-dimensional structure view of the present invention with part of the detection box removed.

Fig. 5 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 3.

Fig. 6 is a perspective structural view of the middle-middle part structure of the present invention.

Fig. 7 is a three-dimensional structure diagram of the bidirectional screw and the connecting portion thereof.

Fig. 8 is a perspective view of the length adjusting and locking device of the middle pull rod of the present invention.

Fig. 9 is a perspective view of the middle lifting rod and the connecting part thereof.

Fig. 10 is a perspective view of the drawer of the present invention.

In the figure, 1, a detection box; 2. a cover body; 3. accommodating grooves; 4. a bidirectional lead screw; 5. a translation block; 6. a support bar; 7. a connecting rod; 8. a universal wheel; 9. a rectangular groove; 10. a pull rod; 11. a digestion tank; 12. a colorimetric system display screen; 13. clearing up a system display screen; 14. a drive rack; 15. a spur gear; 16. a worm; 17. a worm gear; 18. a drive shaft; 19. lifting a rod; 20. a first spring; 21. a drive handle; 22. a fixing pin; 23. a sleeve; 24. a second spring; 25. a bayonet lock; 26. a flange; 27. a moving groove; 28. a card slot; 29. a limiting plate; 30. a rubber ball; 31. a placing groove; 32. a mounting block; 33. a square groove; 34. a trapezoidal fixture block; 35. a third spring; 36. a trapezoidal groove; 37. a notch groove; 38. a moving block; 39. a fourth spring; 40. a limiting column; 41. a U-shaped hook; 42. a storage groove; 43. a spring clip; 44. a drawer slot; 45. a drawer bucket; 46. a partition plate; 47. a through hole; 48. a pull ring; 49. a baffle plate; 50. and a fifth spring.

Detailed Description

The following description will be made in detail with reference to the accompanying drawings 1 to 10.

The embodiment one, combine prior art, this embodiment provides a portable quality of water heavy metal detector, including detection case 1, install detecting system in the detection case 1, printing system, clear up processing system, power and data total control unit, adopt the anemometry method to be arranged in detecting the water sample that waits to detect in the cell in the detecting system, printing system is used for printing out through beating printing paper with the result, clear up processing system and be used for waiting to detect the water sample and clear up the processing before detecting, as for clear up the reason of handling be when carrying out the environment sample water sample, soil sample, hold back the inorganic element in the particulate matter etc. that gets off when solid waste and atmospheric sampling, need clear up the processing to the environment sample. The digestion treatment is used for destroying organic matters, dissolving particulate matters, oxidizing elements to be detected in various valence states into single high valence states or converting the elements into inorganic compounds which are easy to decompose, a power supply can be provided by adopting a storage battery or solar energy, the detection box 1 is rotatably connected with the cover body 2, the cover body 2 is buckled and connected with the detection box 1 through a buckling device, the buckling device comprises a notch groove 37 arranged at the front end of the detection box 1, a moving block 38 is transversely and slidably connected in the notch groove 37, a groove body with a T-shaped cross section is arranged on the rear side wall of the notch groove 37, the rear end of the moving block 38 is connected with a matching part, so that the moving block 38 can only transversely move along the notch groove 37, a fourth spring 39 is connected between the right end of the moving block 38 and the right side wall in the notch groove 37, the left end of the moving block 38 is connected with a limiting column 40, the U-shaped hook 41 connected to the front end of the cover body 2 is further connected with the cover body, and the fourth spring 39 is compressed through the transversely moving block 38, so that the limiting column 40 is separated from the U-shaped hook 41, and the cover body 2 and the detection box 1 are opened;

the left end of the detection box 1 is provided with an accommodating groove 3 with an opening arranged over the left side, the bottom of the accommodating groove 3 is connected with two groups of two-way screw rods 4 arranged at vertical intervals in a longitudinal rotating manner, the two-way screw rods 4 are in threaded fit with two groups of translation blocks 5 connected with the bottom of the accommodating groove 3 in a longitudinal sliding manner, the translation blocks 5 can only move along the longitudinal direction, so that the two groups of translation blocks 5 on the same screw rod are close to or away from each other along with the rotation of the two-way screw rods 4, the thread rotating directions of the two groups of translation blocks 5 in threaded fit with the two-way screw rods 4 are opposite, so that the translation blocks 5 can move in opposite directions along with the rotation of the same screw rod, the rotating connection of the screw rod can be fixedly connected to the bottom of the accommodating groove 3 through fixing blocks, then the screw rod is installed on the two groups of fixing blocks through a bearing seat, and the front and back two end positions of the two-way screw rod 4 are respectively provided with support rods 6 hinged to the bottom of the accommodating groove 3, the articulated shaft of the supporting rod 6 is arranged along the vertical direction, the connecting rod 7 is articulated between the left end of the supporting rod 6 and the left end of the translation block 5 on the corresponding side, the articulated shaft between the supporting rod 6, the connecting rod 7 and the translation plate is arranged along the vertical direction, so as to form a connecting rod structure, the supporting rod 6 and the connecting rod 7 are respectively in the structure as shown in the figure, the supporting rod 6 can be folded into the accommodating groove 3 or supported by the longitudinal movement of the translation block 5, the end part of the supporting rod 6 is connected with a universal wheel 8, the universal wheel 8 arranged at the end part of the supporting rod 6 can be arranged at the position between the two groups of connecting rods 7, the supporting rod 6 is connected with a baffle plate 49, the bottom of the accommodating groove 3 is connected with a fifth spring 50 which is matched with the baffle plate 49 to drive the supporting rod 6 to move leftwards, and the fifth spring 50 is arranged to ensure that the supporting rod 6 can only move downwards, the support rod 6 cannot be reversely rotated, the support rod 6 is prevented from being inwards rotated, the right end of the detection box 1 is provided with two sets of rectangular grooves 9 which are transversely arranged, a U-shaped pull rod 10 is connected between the two sets of rectangular grooves 9 in a transverse sliding mode, the U-shaped pull rod 10 can only move along the transverse direction of the detection box 1, the pull rod 10 can be retracted into the detection box 1, a pull rod 10 length adjusting and locking device is connected between the pull rod 10 and the detection box 1 and used for locking after the length of the pull rod 10 is adjusted, the pull rod 10 length adjusting and locking device locks after the length of the pull rod 10 is adjusted, the length of the pull rod 10 is suitable for people with different heights to use, the wide applicability of the device is improved, a transmission device is connected between the pull rod 10 and the two sets of bidirectional lead screws 4, the two sets of bidirectional lead screws 4 are driven to rotate synchronously by transverse relative movement between the pull rod 10 and the detection box 1, the transmission device can transmit power to the bidirectional lead screws 4 at the bottom when the pull rod 10 is pulled out of the detection box 1, the bidirectional support rod 6 and the universal wheels 8, a plurality of portable universal wheels can be conveniently carried out, and a plurality of portable devices can be conveniently carried out, and can be conveniently and can be used for realizing a plurality of various public and a plurality of portable universal structure, and a plurality of portable universal device, and can be conveniently arranged in a plurality of the portable device, and can be conveniently and can be selected and can be used for a plurality of the portable universal device: the transmission device comprises a driving rack 14 arranged on one side of a U-shaped end of a pull rod 10, namely the driving rack 14 is arranged on one side of a U-shaped rod of the pull rod 10, the driving rack 14 is meshed with a straight gear 15 vertically and rotatably connected in a detection box 1, a worm 16 is coaxially arranged on the straight gear 15, the worm 16 is meshed with a worm wheel 17 longitudinally and rotatably connected in the detection box 1, the transmission of the worm 16 and the worm wheel 17 plays roles in reversing and power transmission, the meshing of the worm 16 and the worm wheel 17 is satisfied that the worm wheel 17 can not push the worm 16 to transmit in reverse direction, namely, only the pull rod 10 can move to drive the worm wheel 17 to rotate through the worm 16, the worm wheel 17 cannot push the worm 16 to rotate, the arrangement is common, the description is omitted, only the lead angle needs to be smaller than a certain value to pull, the transmission device further comprises a transmission shaft 18 longitudinally and rotatably connected to the bottom of an accommodating groove 3, the transmission shaft 18 is in percutaneous belt transmission connection with the rotating shafts of the worm wheel 17, and the transmission shaft 18 is in percutaneous belt transmission connection with the rotating shafts of two groups of bidirectional lead screws 4;

the upper end of the detection box 1 is connected with a detachable colorimetric slot structure, a digestion slot 11, a colorimetric system display screen 12 and a digestion system display screen 13, the disassembly structure of the colorimetric slot structure facilitates the colorimetric slot to be disassembled from the detection box 1, so that the colorimetric slot is convenient to clean, the detachable colorimetric slot structure comprises a rectangular placement slot 31 arranged at the upper end of the detection box 1 and a placement block 32 matched with the placement slot 31, square slots 33 are respectively arranged at the front end and the rear end of the placement block 32, a trapezoidal fixture block 34 is longitudinally and slidably connected in the square slots 33 and is prevented from being separated, the inclined plane of the trapezoidal fixture block 34 faces downwards, the left side and the right side of the inner part of each square slot 33 are respectively provided with a slot body structure, the left side and the right side of the trapezoidal fixture block 34 are respectively connected with a guide rail structure in sliding fit with the slot body structures, so that the trapezoidal fixture block 34 can only longitudinally move along the direction of the square slots 33, the trapezoid clamping block 34 can be completely retracted into the square groove 33, the end part of the groove body structure is provided with a limiting rectangular structure, so that the trapezoid clamping block 34 cannot be separated from the square groove 33 under the action of the third spring 35, the third spring 35 is connected between the trapezoid clamping block 34 and the inner bottom surface of the square groove 33, the front inner side wall and the rear inner side wall of the placement groove 31 are provided with trapezoid grooves 36 matched with the trapezoid clamping block 34, the placement groove 31 is electrically connected with the detection system, the left side and the right side of the placement groove 31 are provided with optical detectors for indexing and electrically connected with the detection system, when the installation is carried out, the inclined plane below the trapezoid clamping block 34 is matched with the side wall of the placement groove 31, the trapezoid clamping block 34 is driven to compress the third spring 35, so that the third spring 35 can smoothly enter the square groove 33, after the placement block 32 is smoothly placed in the placement groove 31, the trapezoid clamping block 34 is under the action of the third spring 35, the trapezoid fixture block 34 is driven to move in the trapezoid groove 36 for clamping, when unlocking, the trapezoid fixture block 34 can be pulled only by compressing the third spring 35 to separate the trapezoid fixture block 34 from the trapezoid groove 36, the detachable colorimetric groove structure is connected with the colorimetric system display 12 and the detection system, the digestion groove 11 is connected with the digestion system display 13 and the digestion processing system, the colorimetric system display 12 and the digestion system display 13 adopt touch screens, human-computer interaction is carried out by using the touch screens, the detection system, the colorimetric system display 12, the digestion system display 13, the digestion processing system and the power supply are all electrically connected with the data master control unit, the data master control unit is made of integrated processing chips, the description is omitted in the prior art, the front end of the cover body 2 is provided with a rectangular object placing groove 42 for carrying the experimental article, the upper side and the lower side of the object placing groove 42 are respectively connected with two sets of symmetrically arranged spring clamping pieces 43, the spring clamping piece 43 is used for placing a pipette, the front end of the cover body 2 is provided with two groups of drawer grooves 44, the drawer grooves 44 are connected with a drawer bucket 45 in a sliding manner and are not separated, in the structure, groove body structures are arranged on two sides of the drawer grooves 44, guide rail structures matched with the drawer bucket 45 are arranged on two sides of the drawer bucket 45, so that the drawer can only move along the direction of the drawer grooves 44, a limiting block structure is arranged at the end part of the groove body structure, so that the drawer bucket 45 cannot be separated from the drawer grooves 44, magnets with different magnetism are respectively connected to the bottom of the drawer grooves 44 and the rear end of the drawer bucket 45, the magnets are convenient to carry, the drawer bucket 45 cannot easily move from the drawer grooves 44, a partition plate 46 is connected in the drawer bucket 45, and a plurality of groups of circular through holes 47 are arranged in the partition plate 46 in the drawer bucket 45, the through hole 47 is used for placing a cuvette and test tubes and reagents required to be used, the upper end of the cover body 2 is connected with a pull ring 48, the pull ring 48 is convenient for opening the cover body 2, when the present embodiment is used and is transferred and carried for transportation, the cuvette and the used test tubes and reagents can be placed in the circular through hole 47 of the partition plate 46, meanwhile, the used pipette is placed in the elastic clamping piece, then the limiting column 40 is transversely moved by moving the moving block 38, then the U-shaped hook 41 on the cover body 2 is placed in the notch groove 37, then the limiting column 40 is inserted into the U-shaped hook 41 by loosening hands for buckling, when the whole box body is transferred and carried for transportation, the length of the pull rod 10 in the detection box 1 is adjusted by the length adjusting device of the pull rod 10 for locking, the transverse movement of the pull rod 10 enables the driving rack 14 to drive the straight gear 15 to rotate, so that the worm 16 rotates, the rotation of the worm 16 drives the worm wheel 17 to rotate, the two groups of bidirectional screw rods 4 rotate through the transmission of the belt and the transmission shaft 18, so that the translation block 5 moves, the support rod 6 and the universal wheel 8 are supported, the direction of the support rod 6 and the universal wheel 8 is pulled to the detection box 1, and similarly, after the pull rod 10 is retracted into the detection box 1, the support rod 6 and the universal wheel 8 can be retracted into the accommodating groove 3, and here, it needs to be noted that the driving strokes of the driving rack 14 and the straight gear 15 enable the support rod 6 to just support the transverse position, and then the whole device is started to carry out detection work; when needing to be clean in the colorimetric groove, make it withdraw square groove 33 in with pinching two sets of trapezoidal fixture blocks 34 compression third spring 35, make trapezoidal fixture block 34 break away from the chucking with trapezoidal groove 36, thereby a colorimetric groove is taken out smoothly and is cleared up, use finish and retrieve the thing groove 42 and the drawer groove 44 on the lid 2 after the instrument is neatly put, this embodiment conveniently carries and shifts, the experiment necessity conveniently accomodates and carries, time saving and labor saving, the different user groups are suitable for in the regulation of pull rod 10, application scope is wide, it is convenient to adjust, it is clean to dismantle the formula to the colorimetric groove simultaneously, the detection precision of the detection of improving device, therefore, the clothes hanger is strong in practicability, and is suitable for popularization.

In the second embodiment, on the basis of the first embodiment, the length adjusting and locking device of the pull rod 10 includes a U-shaped lifting rod 19 transversely slidably connected inside the pull rod 10, the inside of the pull rod 10 is configured as a hollow structure, the lifting rod 19 is configured as a U-shaped structure matched with the hollow structure, a plurality of sets of first springs 20 are connected between the right end of the lifting rod 19 and the inside of the pull rod 10, the left end of the lifting rod 19 is connected with an L-shaped driving handle 21 extending out of the pull rod 10, the end of the driving handle 21 is connected with a plurality of sets of rubber balls 30, a user can realize the relative movement between the lifting rod 19 and the pull rod 10 by holding the driving handle 21, the length adjusting and locking device further includes a fixing pin 22 vertically installed on the inner side wall of one set of the U-shaped rod body of the pull rod 10, a sleeve 23 is axially slidably installed on the upper end of the fixing pin 22 and is satisfied with no separation, a second spring 24 is connected between the sleeve 22 and the inner side wall of the sleeve 23 and the pull rod 10, the sleeve 23 is of a telescopic structure, the front end of the sleeve 23 is connected with a bayonet 25 extending out of the front end of the pull rod 10, the lower end of one side of the lifting rod 19 is connected with a flange 26 matched with the sleeve 23, so that the transverse relative movement of the lifting rod 19 and the pull rod 10 is met, the flange 26 drives the sleeve 23 to vertically move, that is, the sleeve 23 can compress the second spring 24 to move towards the lower side through the transverse movement of the flange 26, a transversely arranged moving groove 27 is formed in the inner side wall of the rectangular groove 9 on the same side with the sleeve 23, a plurality of groups of clamping grooves 28 arranged at intervals are formed in the moving groove 27 along the transverse direction, the bayonet 25 is respectively matched with the clamping grooves 28 and the moving groove 27, the bayonet 27 is matched with the bayonet 25 so that the bayonet 25 can smoothly transversely move in the moving groove 27, and the transverse direction between the pull rod 10 and the detection box 1 can be conveniently adjusted, the clamping groove 28 is used for being matched with the clamping pin 25 to clamp the pull rod 10 at the current position, in the use process of the embodiment, when a user pulls out the pull rod 10, the driving handle 21 is pulled by hand, the driving handle 21 compresses the first spring 20 to enable the lifting rod 19 and the pull rod 10 to move transversely and relatively, the lifting rod 19 moves transversely, the flange 26 drives the sleeve 23 to move towards the lower side, the clamping pin 25 moves into the moving groove 27 from the clamping groove 28, the pull rod 10 can move relatively between the transverse direction and the detection box 1 smoothly, after the specified position is adjusted, the hand is loosened, the clamping pin 25 on the sleeve 23 can enter the corresponding clamping groove 28 under the action of the fourth spring 39 to clamp the pull rod in the corresponding clamping groove 28, and the clamping work after the length is adjusted is realized.

When the utility model is used, when transferring and carrying transportation, a cuvette, test tubes and reagents can be placed in the circular through hole 47 of the partition plate 46, a used pipette is placed in the elastic clamp, then the limiting column 40 is moved transversely by moving the moving block 38, then the U-shaped hook 41 on the cover body 2 is placed in the notch groove 37, then the limiting column 40 is inserted into the U-shaped hook 41 by a loose hand to be buckled, when transferring and carrying transportation is carried out on the whole box body, when the user pulls out the pull rod 10, the drive handle 21 is pulled by hand, the drive handle 21 compresses the first spring 20 to enable the lifting rod 19 and the pull rod 10 to move transversely and relatively, the transverse movement of the lifting rod 19 is carried out, the flange 26 drives the sleeve 23 to move towards the lower side, so that the clamp 25 moves into the moving groove 27 from the clamping groove 28, so that the pull rod 10 can smoothly move relatively along the transverse direction and the detection box 1, after being adjusted to a designated position, the clamp 25 on the clamp enters the clamping groove 28, the corresponding clamping groove 28, the straight-tooth screw rod 16 is adjusted, the straight-tooth screw rod 16 is rotated and the straight-tooth screw wheel 16 is rotated to drive the straight-screw wheel 16, thereby, the straight-tooth screw-bar 16 is rotated and the straight-bar 16, it should be noted here that the driving travel of the driving rack 14 and the spur gear 15 is to make the supporting rod 6 support the transverse position right, and then the whole device is started to perform the detection operation; when needing to be clean in the colorimetric groove, make it withdraw square inslot 33 in pressing from both sides two sets of trapezoidal fixture blocks 34 compression third spring 35 with the hand, make trapezoidal fixture block 34 break away from the chucking with trapezoidal groove 36, thereby a colorimetric groove takes out smoothly and clears up, in retrieving the thing groove 42 and the drawer groove 44 of putting on the lid 2 after finishing using the instrument, the utility model discloses conveniently carry and shift, the experiment necessities conveniently accomodate and carry, labour saving and time saving, different user groups are suitable for in the regulation of pull rod 10, application scope is wide, and it is convenient to adjust, can dismantle the formula cleanness to the colorimetric groove simultaneously, improves the detection precision of the detection of device, and the practicality is strong, is fit for promoting.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable water quality heavy metal detector comprises a detection box (1), wherein a detection system, a printing system, a digestion processing system, a power supply and a data master control unit are arranged in the detection box (1), and the portable water quality heavy metal detector is characterized in that a cover body (2) is rotatably connected to the detection box (1), and the cover body (2) is connected with the detection box (1) in a buckling manner through a buckling device;

detection case (1) left end is provided with holding tank (3) that the opening surpassed the left side and set up, holding tank (3) bottom is connected with two-way lead screw (4) that two sets of vertical intervals set up along vertical rotation, screw-thread fit has translation piece (5) of two sets of longitudinal sliding connection holding tank (3) bottom on two-way lead screw (4), and two sets of translation piece (5) are opposite with two-way lead screw (4) screw-thread fit's screw soon, both ends position punishment do not is provided with bracing piece (6) that articulate in holding tank (3) bottom around two-way lead screw (4), articulated connecting rod (7) between the left end of translation piece (5) of bracing piece (6) left end and corresponding side, all set up along vertical between bracing piece (6), connecting rod (7) and the translation board, bracing piece (6) end connection has universal wheel (8), detection case (1) right-hand member is opened has two sets of rectangular channel (9) that transversely set up, and transverse sliding connection has U-shaped pull rod (10) between two sets of rectangular channel (9), be connected with articulated shaft (10) between pull rod (10) and detection case (1), satisfy between two sets of drive adjusting device and two-way pull rod (10) and two sets of drive pull rod (10) drive adjusting device, and carry out two-way pull rod (10) and two-way lead screw drive pull rod (10) drive adjusting device (10) and two-way lead screw drive pull rod (10) after being connected with two sets of drive, be connected with two-way lead screw (10) pull rod (10) drive pull rod (10) the detection case (10), the drive pull rod drive device, be connected with two sets of carrying out the drive pull rod (10), the drive pull rod (10) and two-way lead screw drive device, the pull rod (10) are connected with two sets of two-way lead screw (4) and two-way lead screw (10) and two-way pull rod (10) are connected with two-rod (4) and two-way pull rod (10) and two sets of carrying out (4) synchronously rotating;

detection case (1) upper end is connected with detachable colorimetric groove structure, clears up groove (11), and colorimetric system display screen (12) clear up system display screen (13), and detachable colorimetric groove structure is connected with colorimetric system display screen (12) and detecting system, clears up groove (11) and clears up system display screen (13) and clear up processing system and be connected, detecting system, colorimetric system display screen (12), clear up system display screen (13), clear up processing system, the equal and data of power always controls between the unit electric connection.

2. The portable water quality heavy metal detector of claim 1, characterized in that, transmission is including installing drive rack (14) in pull rod (10) U-shaped end one side, drive rack (14) and vertical rotation connect spur gear (15) in detection case (1) mesh mutually, spur gear (15) coaxial arrangement has worm (16), worm (16) and vertical rotation connect worm wheel (17) mesh in detection case (1), the meshing of worm (16) and worm wheel (17) satisfies that worm wheel (17) are reverse can not promote worm (16) and carry out the transmission, still include vertical rotation and connect transmission shaft (18) in holding tank (3) bottom, the transmission is carried out the transmission between the pivot of transmission shaft (18) and worm wheel (17) and is connected through the belt, transmission is carried out the transmission between the pivot of transmission shaft (18) and two sets of two-way lead screw (4).

3. The portable water quality heavy metal detector according to claim 1, wherein the pull rod (10) length adjustment locking device comprises a U-shaped lifting rod (19) transversely slidably connected inside the pull rod (10), a plurality of groups of first springs (20) are connected between the right end of the lifting rod (19) and the pull rod (10), the left end of the lifting rod (19) is connected with an L-shaped driving handle (21) extending out of the pull rod (10), the portable water quality heavy metal detector further comprises a fixing pin (22) vertically installed on the inner side wall of one group of U-shaped rod body of the pull rod (10), a sleeve (23) is axially slid on the upper end of the fixing pin (22) in a sliding manner and does not break away from the fixing pin, a second spring (24) sleeved outside the fixing pin (22) is connected between the inner side wall of the sleeve (23) and the inner side wall of the pull rod (10), a clamping pin (25) extending out of the front end of the pull rod (10) is connected to the front end of the sleeve (23), a flange (26) matched with the sleeve (23) is connected to the lower end of one side of the lifting rod (19), the lifting rod (19) and the pull rod (10) are capable of moving in a transverse movement, a plurality of grooves (27) are formed in a plurality of transverse movement grooves formed in the rectangular grooves (27) arranged along the transverse direction of the rectangular groove (27) arranged on which is arranged on the inner side of the sleeve (23), the clamping pin (25) is matched with the clamping groove (28) and the moving groove (27) respectively.

4. A portable water quality heavy metal detector according to claim 3, characterized in that a limiting plate (29) arranged outside the detection box (1) is connected to the pull rod (10), and a plurality of groups of rubber balls (30) are connected to the end of the driving handle (21).

5. The portable water quality heavy metal detector according to claim 1, wherein the detachable colorimetric tank structure comprises a rectangular placing groove (31) formed in the upper end of the detection box (1), and further comprises a placing block (32) matched with the placing groove (31), square grooves (33) are formed in the front end and the rear end of the placing block (32) respectively, a trapezoidal clamping block (34) is longitudinally and slidably connected in each square groove (33) and cannot be separated from each other, a third spring (35) is connected between each trapezoidal clamping block (34) and the inner bottom surface of each square groove (33), trapezoidal grooves (36) matched with the trapezoidal clamping blocks (34) are formed in the front inner side walls and the rear inner side walls of the placing groove (31), the placing groove (31) is electrically connected with the detection system, and the upper end of the placing block (32) is connected with a groove for placing a colorimetric device.

6. The portable water quality heavy metal detector according to claim 1, wherein the fastening device comprises a notched groove (37) formed in the front end of the detection box (1), a moving block (38) is transversely and slidably connected in the notched groove (37), a fourth spring (39) is connected between the right end of the moving block (38) and the inner right side wall of the notched groove (37), a limiting column (40) is connected to the left end of the moving block (38), and the portable water quality heavy metal detector further comprises a U-shaped hook (41) connected to the front end of the cover body (2).

7. The portable water quality heavy metal detector according to claim 1, wherein the front end of the cover body (2) is provided with a rectangular storage groove (42), the bottom of the storage groove (42) is provided with two sets of spring clamping pieces (43) which are symmetrically arranged on the upper side and the lower side, the front end of the cover body (2) is provided with two sets of drawer grooves (44), the drawer grooves (44) are internally and slidably connected with drawer buckets (45) and are not separated, the bottoms of the drawer grooves (44) and the rear ends of the drawer buckets (45) are respectively connected with magnets with different magnetism, partition plates (46) are connected in the drawer buckets (45), and a plurality of groups of circular through holes (47) are formed in the partition plates (46) in the drawer buckets (45).

8. The portable water quality heavy metal detector according to claim 1, wherein the upper end of the cover body (2) is connected with a pull ring (48).

9. The portable water quality heavy metal detector according to claim 1, wherein the supporting rod (6) is connected with a baffle (49), and the bottom of the accommodating groove (3) is connected with a fifth spring (50) which is matched with the baffle (49) to drive the supporting rod (6) to move leftwards.