CN210332727U - Pesticide concentration control device for toxicological determination - Google Patents
Pesticide concentration control device for toxicological determination Download PDFInfo
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- CN210332727U CN210332727U CN201921258179.5U CN201921258179U CN210332727U CN 210332727 U CN210332727 U CN 210332727U CN 201921258179 U CN201921258179 U CN 201921258179U CN 210332727 U CN210332727 U CN 210332727U
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- beaker
- toxicological
- dropper
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Abstract
The utility model relates to the technical field of pesticide detection auxiliary devices, in particular to a pesticide concentration control device for toxicological determination, which is characterized in that the pressing force of a rubber-head dropper is convenient to control, and the accuracy of the pesticide liquid adding amount is improved; the beaker is positioned on the workbench, and the rubber head dropper comprises a hollow elastic rubber head and a dropper part; still include the bracing piece, be used for the test tube clamp of centre gripping burette part, slip ring, connecting plate, fixed plate, left pivot, right pivot, stripper plate, threaded rod, dead lever, transition axle and locking bolt, the bracing piece bottom is connected with workstation top left end, and the slip ring is passed on the bracing piece top, and the slip ring front end is provided with first screw hole, and locking bolt rear end spiral shell dress passes first screw hole then with bracing piece in close contact with.
Description
Technical Field
The utility model relates to a pesticide detects the technical field of auxiliary device, especially relates to a pesticide concentration control device for toxicological assay.
Background
As is well known, a pesticide concentration control device for toxicological determination is an auxiliary device for controlling the dropping amount of pesticide in the pesticide detection process so as to better detect the pesticide, and is widely used in the field of pesticide detection; the existing pesticide concentration control device for toxicological determination comprises a workbench, a beaker and a rubber head dropper, wherein a cavity is arranged in the beaker, the top of the beaker is communicated with a placing opening, the beaker is positioned on the workbench, and the rubber head dropper comprises a hollow elastic rubber head and a dropper part; when the existing pesticide concentration control device for toxicological determination is used, a beaker is placed on a workbench, a dropper part is held by hands, the bottom end of the dropper part is positioned in the beaker, and a hollow elastic rubber head is pressed by hands to enable pesticide liquid in the dropper part to be added into the beaker for measuring quantitative pesticide; the existing pesticide concentration control device for toxicological determination finds that the hollow elastic rubber head needs to be manually pressed by a user, the total amount of added pesticide is directly caused by different pressing force degrees of different users, repeated measurement is needed, even if the device is operated by the same user, the condition that the hollow elastic rubber head is pressed unevenly can also occur, and the use reliability is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pressing strength of rubber head drip tube is convenient for control, improves the accuracy of pesticide liquid medicine addition, improves work efficiency's a pesticide concentration control device for toxicological assay.
The utility model discloses a pesticide concentration control device for toxicological determination, including workstation, beaker and rubber head burette, the beaker is provided with the cavity inside, the beaker top intercommunication is provided with the mouth of placing, the beaker is located the workstation, the rubber head burette includes hollow elastic rubber head and burette part; the automatic dropper comprises a support rod, a test tube clamp for clamping a dropper part, a sliding ring, a connecting plate, a fixing plate, a left rotating shaft, a right rotating shaft, an extrusion plate, a threaded rod, a fixing rod, a transition shaft and a locking bolt, wherein the bottom end of the support rod is connected with the left end of the top of a workbench, the top end of the support rod penetrates through the sliding ring, the front end of the sliding ring is provided with a first threaded hole, the rear end of the locking bolt penetrates through the first threaded hole and then is in close contact with the support rod, the right end of the sliding ring is connected with the connecting plate, the rear end of the fixing plate is connected with the connecting plate, the right end of the front side of the connecting plate is provided with a supporting plate, the fixing plate and the supporting plate are both provided with first ball bearings, the left rotating shaft and the right rotating shaft are respectively, the threaded rod threaded assembly penetrates through a second threaded hole and is connected with the left rotating shaft and the right rotating shaft, the right rotating shaft is provided with a first gear, a second ball bearing is arranged at the right end of the connecting plate, the transition shaft is in key connection with the second ball bearing, a second gear is arranged on the transition shaft, the first gear is meshed with the second gear, a rotating disc is arranged at the right end of the transition shaft, the handheld end of the test tube clamp is fixedly mounted on the supporting rod, the dropper part penetrates through the clamping end of the test tube clamp and is in close contact with the clamping end of the test tube clamp, and the bottom end of the dropper part is inserted into.
The utility model discloses a pesticide concentration control device for toxicology survey still includes left clamp plate, right clamp plate, montant, goes up L type round pin, lower L type round pin and spring, left side clamp plate bottom is connected with the workstation, the montant bottom is connected with the workstation, and the montant is provided with spacing hole and lower spacing hole, right side clamp plate right-hand member is provided with upper sliding rod and lower sliding rod, and upper sliding rod and lower sliding rod pass spacing hole and lower spacing hole respectively, spring left end and right-hand member are connected with right clamp plate and montant respectively, and upper sliding rod and lower sliding rod right-hand member are provided with anticreep hole and lower anticreep hole respectively, upper L type round pin and lower L type round pin bottom pass upper anticreep hole and lower anticreep hole respectively, all are provided with the cushion on left clamp plate and the right clamp plate.
The utility model discloses a pesticide concentration control device for toxicological assay, the dead lever is cylindricly.
The utility model discloses a pesticide concentration control device for toxicological assay still includes the stabilizer ring, the left end of stabilizer ring is provided with the installing port, and the installing port is connected with the connecting plate, and the stabilizer ring right-hand member is provided with third ball bearing, the transition axle is connected with third ball bearing key.
The utility model discloses a pesticide concentration control device for toxicological assay, the rolling disc lateral wall is provided with first star type handle.
The utility model discloses a pesticide concentration control device for toxicological assay, the locking bolt lateral wall is provided with second star type handle.
The utility model discloses a pesticide concentration control device for toxicological assay, bracing piece transverse cross section shape is the quadrangle, and the slip ring inside wall contacts with the bracing piece lateral wall.
The utility model discloses a pesticide concentration control device for toxicological assay, the workstation top is provided with the rubber pad, beaker bottom and rubber pad contact.
Compared with the prior art, the beneficial effects of the utility model are that: under the action of the second ball bearing, the rotating disc is grabbed to enable the second gear and the transition shaft to rotate, under the mutual matching of the fixed plate, the supporting plate, the two groups of first ball bearings and the first gear, the rotating disc rotates to enable the threaded rod to rotate, under the action of the threaded rod and the fixed rod, the extrusion plate cannot rotate, so that the distance between the extrusion plate and the fixed plate changes by rotating the rotating disc, the sliding ring can slide along the supporting rod, the locking bolt is screwed to fix the relative position between the sliding ring and the supporting rod, during normal work, firstly, the beaker is placed on a workbench, the pesticide liquid is absorbed by using a rubber head dropper, then, the dropper part is clamped by using a test tube clamp, the bottom end of the dropper part is inserted into the beaker, meanwhile, the hollow elastic rubber head is positioned between the fixed plate and the extrusion plate, then, the rotating disc enables the extrusion plate and the fixed plate to extrude the hollow, make the stripper plate take place lateral displacement through circular motion, thereby control the volume of receiving of hollow elasticity rubber head, compare user manual control's mode, this kind of mode has more advantages, pesticide liquid medicine extrusion capacity receives control more easily, and first gear number of teeth is greater than the second gear number of teeth far away, the second gear drives first gear and is the laborsaving motion of speed reduction, accuracy when can further improve the stripper plate and remove, the pressing force degree of gluing the first burette is convenient for control, the accuracy of pesticide liquid medicine addition volume is improved, and the work efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partial enlarged view of portion B of FIG. 1;
FIG. 4 is a perspective view of the connecting plate, transition shaft, second ball bearing, second gear, rotating disk, stabilizing ring, and third ball bearing;
FIG. 5 is a perspective view of the tube clamp;
in the drawings, the reference numbers: 1. a work table; 2. a beaker; 3. a hollow elastic rubber head; 4. a dropper portion; 5. a support bar; 6. a test tube clamp; 7. a slip ring; 8. a connecting plate; 9. a fixing plate; 10. a left rotating shaft; 11. a right rotating shaft; 12. a pressing plate; 13. a threaded rod; 14. fixing the rod; 15. a transition shaft; 16. locking the bolt; 17. a support plate; 18. a first ball bearing; 19. a first gear; 20. a second ball bearing; 21. a second gear; 22. rotating the disc; 23. a left clamping plate; 24. a right clamping plate; 25. a vertical rod; 26. an upper L-shaped pin; 27. a spring; 28. sliding the sliding rod upwards; 29. a soft cushion; 30. a stabilizing ring; 31. a third ball bearing; 32. a first star handle; 33. a second star handle; 34. and (7) a rubber pad.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the utility model discloses a pesticide concentration control device for toxicological determination, which comprises a workbench 1, a beaker 2 and a rubber dropper, wherein a cavity is arranged inside the beaker 2, the top of the beaker 2 is communicated with a placing opening, the beaker 2 is positioned on the workbench 1, and the rubber dropper comprises a hollow elastic rubber dropper 3 and a dropper part 4; the device also comprises a supporting rod 5, a test tube clamp 6 for clamping the dropper part 4, a sliding ring 7, a connecting plate 8, a fixing plate 9, a left rotating shaft 10, a right rotating shaft 11, an extrusion plate 12, a threaded rod 13, a fixing rod 14, a transition shaft 15 and a locking bolt 16, wherein the bottom end of the supporting rod 5 is connected with the left end of the top of the workbench 1, the top end of the supporting rod 5 penetrates through the sliding ring 7, a first threaded hole is formed in the front end of the sliding ring 7, the rear end of the locking bolt 16 penetrates through the first threaded hole and then is tightly contacted with the supporting rod 5, the right end of the sliding ring 7 is connected with the connecting plate 8, the rear end of the fixing plate 9 is connected with the connecting plate 8, a supporting plate 17 is arranged at the right end of the front side of the connecting plate 8, first ball bearings 18 are arranged on the fixing plate 9 and the supporting plate 17, the left rotating shaft 10 and the right rotating shaft 11 are respectively connected with two, the threaded rod 13 is threaded through a second threaded hole and connected with the left rotating shaft 10 and the right rotating shaft 11, the right rotating shaft 11 is provided with a first gear 19, the right end of the connecting plate 8 is provided with a second ball bearing 20, the transition shaft 15 is in key connection with the second ball bearing 20, the transition shaft 15 is provided with a second gear 21, the first gear 19 is meshed with the second gear 21, the right end of the transition shaft 15 is provided with a rotating disc 22, the handheld end of the test tube clamp 6 is fixedly arranged on the supporting rod 5, the dropper part 4 penetrates through the clamping end of the test tube clamp 6 and is in close contact with the clamping end of the test tube clamp 6, and the bottom end of the dropper part 4 is inserted into the beaker; under the action of the second ball bearing, the rotating disc is grabbed to enable the second gear and the transition shaft to rotate, under the mutual matching of the fixed plate, the supporting plate, the two groups of first ball bearings and the first gear, the rotating disc rotates to enable the threaded rod to rotate, under the action of the threaded rod and the fixed rod, the extrusion plate cannot rotate, so that the distance between the extrusion plate and the fixed plate changes by rotating the rotating disc, the sliding ring can slide along the supporting rod, the locking bolt is screwed to fix the relative position between the sliding ring and the supporting rod, during normal work, firstly, the beaker is placed on a workbench, the pesticide liquid is absorbed by using a rubber head dropper, then, the dropper part is clamped by using a test tube clamp, the bottom end of the dropper part is inserted into the beaker, meanwhile, the hollow elastic rubber head is positioned between the fixed plate and the extrusion plate, then, the rotating disc enables the extrusion plate and the fixed plate to extrude the hollow, make the stripper plate take place lateral displacement through circular motion, thereby control the volume of receiving of hollow elasticity rubber head, compare user manual control's mode, this kind of mode has more advantages, pesticide liquid medicine extrusion capacity receives control more easily, and first gear number of teeth is greater than the second gear number of teeth far away, the second gear drives first gear and is the laborsaving motion of speed reduction, accuracy when can further improve the stripper plate and remove, the pressing force degree of gluing the first burette is convenient for control, the accuracy of pesticide liquid medicine addition volume is improved, and the work efficiency is improved.
The utility model discloses a pesticide concentration control device for toxicology survey, still include left clamp plate 23, right clamp plate 24, montant 25, go up L type round pin 26, lower L type round pin and spring 27, left clamp plate 23 bottom is connected with workstation 1, montant 25 is provided with spacing hole and lower spacing hole, right clamp plate 24 right-hand member is provided with upper sliding rod 28 and lower sliding rod, upper sliding rod 28 and lower sliding rod pass upper spacing hole and lower spacing hole respectively, spring 27 left end and right-hand member are connected with right clamp plate 24 and montant 25 respectively, upper sliding rod 28 and lower sliding rod right-hand member are provided with upper anti-disengaging hole and lower anti-disengaging hole respectively, upper L type round pin 26 and lower L type round pin bottom pass upper anti-disengaging hole and lower anti-disengaging hole respectively, left clamp plate 23 and right clamp plate 24 are last all provided with cushion 29; under the mutual cooperation of spring, montant, upper sliding rod and lower sliding rod, the right clamping plate can remove about, places the beaker on the workstation, then makes the cushion on left clamping plate and the right clamping plate press from both sides the tight beaker, prevents that it from taking place the skew.
In the pesticide concentration control device for toxicological determination of the utility model, the fixed rod 14 is cylindrical; the fixed rod is cylindrical, and friction is reduced.
The utility model discloses a pesticide concentration control device for toxicological determination, still include the stabilizer ring 30, the left end of stabilizer ring 30 is provided with the installing port, the installing port is connected with connecting plate 8, the right-hand member of stabilizer ring 30 is provided with third ball bearing 31, transition shaft 15 is connected with third ball bearing 31 key; the stabilizing ring and the third ball bearing improve the fluency of the transition shaft during rotation.
The utility model discloses a pesticide concentration control device for toxicological determination, the outer side wall of a rotating disc 22 is provided with a first star-shaped handle 32; the first star handle makes the rotating disc more easily stressed.
The utility model discloses a pesticide concentration control device for toxicological determination, the outer side wall of a locking bolt 16 is provided with a second star-shaped handle 33; the second star handle makes the locking bolt easier to bear force.
The utility model discloses a pesticide concentration control device for toxicological determination, the transverse section of a support rod 5 is quadrilateral, and the inner side wall of a sliding ring 7 is contacted with the outer side wall of the support rod 5; the transverse section of the supporting rod is quadrilateral, and the inner side wall of the sliding ring is in contact with the outer side wall of the supporting rod, so that the sliding ring is prevented from changing angles.
The utility model discloses a pesticide concentration control device for toxicological determination, a rubber pad 34 is arranged on the top of a workbench 1, and the bottom of a beaker 2 is contacted with the rubber pad 34; the rubber pad prevents the beaker from being broken.
The utility model discloses a pesticide concentration control device for toxicological assay, under the mutual cooperation of spring, the montant, upper sliding rod and lower sliding rod, right clamping plate can move about, place the beaker on the workstation, then make the cushion on left clamping plate and the right clamping plate press from both sides tightly the beaker, prevent it to squint, under the effect of second ball bearing, grasp the rolling disc and make second gear and transition axle take place to rotate, under the mutual cooperation of fixed plate, the backup pad, two sets of first ball bearing and first gear, the rolling disc rotates and makes the threaded rod take place to rotate, under the effect of threaded rod and dead lever, the stripper plate can not rotate, thereby rotate the rolling disc and make the distance between stripper plate and the fixed plate change, the slip ring can slide along the bracing piece, the bracing piece transverse cross section shape is the quadrangle, the slip ring inside wall contacts with the bracing piece lateral wall, prevent the angle change of the slip ring, screw the locking bolt to fix the relative position between the slip ring and the support rod, during normal operation, at first place the beaker on the workbench, utilize the rubber head burette to absorb the pesticide liquid, then clamp the burette part with the test tube clamp, and insert the burette part bottom inside the beaker, hollow elastic rubber head is located between fixed plate and stripper plate, then rotate the rolling disc to make stripper plate and fixed plate extrude the hollow elastic rubber head, make the stripper plate produce the lateral displacement through the circular motion, thus control the extruded quantity of the hollow elastic rubber head, compare with the way that the user controls manually, this kind of way has advantages, the pesticide liquid extruded quantity is controlled more easily, and the first gear number is greater than the second gear number far, the second gear drives the first gear to reduce the effort-saving movement, can further improve the accuracy when the stripper plate moves, the stabilizing ring and the third ball bearing improve the smoothness of the transition shaft during rotation, and the rubber pad prevents the beaker from being broken.
The utility model discloses a pesticide concentration control device for toxicological assay, the test tube clamp that involves purchase for the user by oneself, its application method details see its self-contained instruction manual.
The utility model discloses a pesticide concentration control device for toxicological survey, above the mounting means, the connected mode or the mode that sets up of all parts are welding, riveting or other common mechanical system, wherein slidable/rotate fixedly promptly for slide/rotate the state under not dropping, seal when sealed intercommunication is two connecting pieces intercommunications, and concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, the event is no longer repeated here.
The present invention relates to a pesticide concentration control device for toxicological determination, and in the case where no reverse description is made, the directional words included in the terms "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and the like only represent the direction of the term in a normal use state, or are colloquially understood by those skilled in the art, and should not be construed as limiting the term, and meanwhile, the series of terms such as "first", "second" and "third" do not represent a specific number or order, but are merely used for name distinction, and the terms "include", "include" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes such a process, method, An article or an apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pesticide concentration control device for toxicological determination comprises a workbench (1), a beaker (2) and a rubber-tipped dropper, wherein a cavity is formed in the beaker (2), the top of the beaker (2) is communicated with a placing opening, the beaker (2) is positioned on the workbench (1), and the rubber-tipped dropper comprises a hollow elastic rubber head (3) and a dropper part (4); the automatic dropper is characterized by further comprising a support rod (5), a test tube clamp (6) used for clamping the dropper part (4), a sliding ring (7), a connecting plate (8), a fixing plate (9), a left rotating shaft (10), a right rotating shaft (11), an extrusion plate (12), a threaded rod (13), a fixing rod (14), a transition shaft (15) and a locking bolt (16), wherein the bottom end of the support rod (5) is connected with the left end of the top of the workbench (1), the top end of the support rod (5) penetrates through the sliding ring (7), a first threaded hole is formed in the front end of the sliding ring (7), the rear end of the locking bolt (16) penetrates through the first threaded hole and then is in tight contact with the support rod (5), the right end of the sliding ring (7) is connected with the connecting plate (8), the rear end of the fixing plate (9) is connected with the connecting plate (8), a support plate (17, the fixed plate (9) and the support plate (17) are respectively provided with a first ball bearing (18), the left rotating shaft (10) and the right rotating shaft (11) are respectively connected with two groups of first ball bearings (18) in a key mode, the extrusion plate (12) is provided with a second threaded hole and a sliding hole, the fixed rod (14) penetrates through the sliding hole and is connected with the fixed plate (9) and the support plate (17), the threaded rod (13) penetrates through a second threaded hole in a threaded mode and is connected with the left rotating shaft (10) and the right rotating shaft (11), the right rotating shaft (11) is provided with a first gear (19), the right end of the connecting plate (8) is provided with a second ball bearing (20), the transition shaft (15) is connected with the second ball bearing (20) in a key mode, the transition shaft (15) is provided with a second gear (21), the first gear (19) is meshed with the second gear (21), the right end of the transition shaft (15) is provided with a, the handheld end of the test tube clamp (6) is fixedly arranged on the support rod (5), the dropper part (4) penetrates through the clamping end of the test tube clamp (6) and is in close contact with the clamping end of the test tube clamp (6), and the bottom end of the dropper part (4) is inserted into the beaker (2).
2. The pesticide concentration control device for toxicological determination according to claim 1, further comprising a left clamping plate (23), a right clamping plate (24), a vertical rod (25), an upper L-shaped pin (26), a lower L-shaped pin and a spring (27), wherein the bottom end of the left clamping plate (23) is connected to the workbench (1), the bottom end of the vertical rod (25) is connected to the workbench (1), the vertical rod (25) is provided with an upper limiting hole and a lower limiting hole, the right end of the right clamping plate (24) is provided with an upper sliding rod (28) and a lower sliding rod, the upper sliding rod (28) and the lower sliding rod respectively pass through the upper limiting hole and the lower limiting hole, the left end and the right end of the spring (27) are respectively connected to the right clamping plate (24) and the vertical rod (25), the upper sliding rod (28) and the lower sliding rod respectively are provided with an upper anti-off hole and a lower anti-off hole, the bottom ends of the upper L-shaped pin (26) and the lower L-shaped pin respectively pass through the upper anti, the left clamping plate (23) and the right clamping plate (24) are both provided with soft pads (29).
3. The apparatus for controlling concentration of agricultural chemicals for toxicological assay according to claim 2, wherein the fixing rod (14) has a cylindrical shape.
4. The pesticide concentration control device for toxicological determination according to claim 3, further comprising a stabilizing ring (30), wherein the left end of the stabilizing ring (30) is provided with a mounting opening, the mounting opening is connected with the connecting plate (8), the right end of the stabilizing ring (30) is provided with a third ball bearing (31), and the transition shaft (15) is connected with the third ball bearing (31) in a key manner.
5. The apparatus for controlling concentration of agricultural chemicals for toxicological assay according to claim 4, wherein the rotating disc (22) is provided at an outer side wall thereof with a first star handle (32).
6. The apparatus for controlling concentration of agricultural chemicals for toxicological assay according to claim 5, wherein the locking bolt (16) is provided at an outer side wall thereof with a second star handle (33).
7. The apparatus for controlling concentration of agricultural chemicals for toxicological assay according to claim 6, wherein the support rod (5) has a quadrangular transverse cross-sectional shape, and the inner side wall of the slip ring (7) is in contact with the outer side wall of the support rod (5).
8. The apparatus for controlling concentration of agricultural chemicals for toxicological assay according to claim 7, wherein the table (1) is provided with a rubber pad (34) on top, and the beaker (2) is contacted with the rubber pad (34) on bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258179.5U CN210332727U (en) | 2019-08-05 | 2019-08-05 | Pesticide concentration control device for toxicological determination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258179.5U CN210332727U (en) | 2019-08-05 | 2019-08-05 | Pesticide concentration control device for toxicological determination |
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| Publication Number | Publication Date |
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| CN210332727U true CN210332727U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921258179.5U Active CN210332727U (en) | 2019-08-05 | 2019-08-05 | Pesticide concentration control device for toxicological determination |
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| CN (1) | CN210332727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505109A (en) * | 2022-01-17 | 2022-05-17 | 吴锦辉 | Endocrine sample is dropping liquid equipment in batches |
-
2019
- 2019-08-05 CN CN201921258179.5U patent/CN210332727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505109A (en) * | 2022-01-17 | 2022-05-17 | 吴锦辉 | Endocrine sample is dropping liquid equipment in batches |
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