CN115569435A - Portable water sample filter - Google Patents
Portable water sample filter Download PDFInfo
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- CN115569435A CN115569435A CN202211195336.9A CN202211195336A CN115569435A CN 115569435 A CN115569435 A CN 115569435A CN 202211195336 A CN202211195336 A CN 202211195336A CN 115569435 A CN115569435 A CN 115569435A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000012528 membrane Substances 0.000 claims abstract description 75
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of rapid filtration of liquid samples such as water samples, in particular to a portable water sample filter, which comprises a bottom plate, wherein the top of the bottom plate is connected with an upright post; the positioning assembly comprises a sleeve and a control assembly, the control assembly comprises a second screw, the second screw is in threaded connection with the top of the upright column, the injector and the clamping assembly are connected to the outer wall of the sleeve, and the outer cylinder is clamped by the clamping end of the clamping assembly; a filter assembly located below the syringe and also attached to the outer wall of the sleeve. According to the invention, the pressing handle is added through the lever principle, so that the pressing pressure is reduced, and the labor force is liberated; meanwhile, the volume of the injector is changed according to the requirement, so that the working efficiency is improved; the needle type filter head is replaced by the large-area filter membrane, so that the single-time filtration capacity is increased, less material consumption is realized, and the cost is saved.
Description
Technical Field
The invention relates to the technical field of rapid filtration of liquid samples such as water samples, in particular to a portable water sample filter.
Background
The water sample filter is a simple and convenient filter device, is used for quickly filtering water samples, is an important sample pretreatment device in the field of water environment monitoring, and the existing syringe type filter is matched with a syringe type filter head by means of an existing medical injector, needs manual forward pressing for filtering, often needs great hand pressing when large batches of samples with high turbidity or viscosity are encountered, and has high labor intensity; meanwhile, the volume of the syringe type filter is relatively fixed, the maximum filtering volume is determined by the volume of the syringe and the volume of the filter head, when the sample volume is large, multiple times of filtering are needed, the consumption of the filter head is large, and the economic cost is high, so that the portable water sample filter is urgently needed to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide a portable water sample filter to solve the problems that manual forward pressing filtration is required, and when a large quantity of samples with high turbidity or viscosity are encountered, large hand pressing is often required, so that the labor intensity is high.
In order to achieve the purpose, the invention provides the following technical scheme: a portable water sample filter comprising:
the top of the bottom plate is connected with an upright post;
the positioning assembly comprises a sleeve, the sleeve is sleeved on the outer wall of the upright post, the outer wall of the sleeve is connected with a threaded cylinder, and a first screw is connected inside the threaded cylinder;
the control assembly comprises a second screw, the second screw is in threaded connection with the top of the upright post, the top of the second screw is connected with a first rotating seat, a pressing handle is hinged inside the first rotating seat, a second rotating seat is hinged outside the pressing handle, a hinge rod is hinged below the second rotating seat, the other end of the hinge rod is hinged with a slide rod, the bottom of the slide rod is connected with a first supporting plate, rotating buckles penetrate through four corners of the first supporting plate, a guide frame is sleeved on the outer wall of the slide rod, and the guide frame is fixedly connected with the outer wall of the sleeve;
the syringe comprises an outer cylinder, the bottom of the outer cylinder is connected with a liquid outlet, the outer wall of the liquid outlet is connected with a support lug, a piston is arranged inside the outer cylinder, a valve rod is connected above the piston, the top of the valve rod is connected with a pressing plate, and the pressing plate is clamped between a first supporting plate and a rotating buckle;
the clamping component is connected to the outer wall of the sleeve, and the clamping end of the clamping component clamps the outer barrel;
and the filter assembly is positioned below the injector and is also connected to the outer wall of the sleeve.
Preferably, the locating component is provided with four groups altogether, and the outer wall of upper and lower two sets of locating components is connected with leading truck and filtering component respectively, in the middle the outer wall connection of two sets of locating components has the centre gripping subassembly, telescopic inner wall is provided with soft cushion, and sleeve and stand are sliding connection, first screw rod is threaded connection with a screw thread section of thick bamboo, the screw hole of adaptation second screw rod is seted up at the top of stand.
Preferably, a through hole is formed in one end, close to the first rotating seat, of the pressing handle, a rotating shaft penetrates through the through hole and the first rotating seat, and a soft rubber handle is arranged at one end, far away from the first rotating seat, of the pressing handle; the second rotates the seat and is provided with threely altogether, one the second rotates the seat and articulates at the outer wall of pressing the handle, two in addition the second rotates the seat and articulates respectively at the both ends of hinge bar, and presses handle outer wall second and rotates the seat and be fixed connection with hinge bar top second.
Preferably, the seat is rotated to the top fixedly connected with second of slide bar, the slide bar is sliding connection with the leading truck, the through-hole has all been seted up at four corners of first backup pad, and the inside of through-hole runs through to have the rotation to detain, it is L style of calligraphy structure to rotate the knot, and rotates the bottom outer wall of detaining and be provided with soft cushion, it is the I shape structure to rotate to detain to be located first backup pad through-hole department.
Preferably, the clamping component comprises a shell, the shell is fixedly connected to the outer wall of the sleeve, a bidirectional screw rod is rotatably connected to the inside of the shell, a nut pair is connected to the outside of the bidirectional screw rod, a connecting plate is connected to the outer wall of the nut pair, the other end of the connecting plate is connected with a guide sleeve, a guide shaft penetrates through the guide sleeve, a clamping plate is connected to the guide sleeve and the outer wall of the nut pair, a damping rotating shaft is inserted into the clamping plate, a second supporting plate is connected to the top of the damping rotating shaft, a third screw rod is connected to the other end of the second supporting plate in a threaded manner, a positioning plate is connected to the outer wall of the clamping plate, a middle shaft is fixedly connected to the outer wall of the positioning plate, and a clamping roller is sleeved on the outer wall of the middle shaft.
Preferably, the both ends of two-way lead screw all are connected with the nut pair, the uide bushing is provided with two sets ofly altogether, and every uide bushing of group is provided with two, and runs through between two uide bushings and have a guiding axle, guiding axle fixed connection is at the inner wall of casing, one side that splint are close to the damping pivot is cylindrical structure, the damping pivot is the step form, the damping pivot is connected with splint cylindrical structure department is the rotation.
Preferably, the second support plate is provided with a threaded hole near the third screw, the threaded hole is internally connected with the third screw, the bottom of the third screw is provided with anti-skid grains, the number of the clamping plates is two, the clamping plates are the same in structure at the side near each other, the positioning plates are of U-shaped structures, each group of the positioning plates are two, the two positioning plates are respectively positioned at the upper end and the lower end of the clamping plate, and two middle shafts are fixedly connected between the positioning plates.
Preferably, the filtering component comprises a lower membrane clamp, the lower membrane clamp is fixedly connected to the outer wall of the sleeve, a left upper membrane clamp and a right upper membrane clamp are arranged at the top of the lower membrane clamp, the outer wall of the upper membrane clamp is connected with a positioning buckle, the top of the upper membrane clamp is connected with an inserting pipe, the outer wall of the lower membrane clamp is connected with a third rotating seat, a fourth screw rod is hinged to the third rotating seat, a butterfly nut is connected to the outer portion of the fourth screw rod, a filtering core plate is arranged on the inner wall of the lower membrane clamp, a filtering membrane is arranged above the filtering core plate, and a cavity is connected to the bottom of the lower membrane clamp.
Preferably, the location is detained and is provided with four altogether, and four location detain evenly distributed and press from both sides at the upper membrane outer wall, U style of calligraphy draw-in groove has been seted up at the center that the location was detained, and the width of U style of calligraphy draw-in groove is less than the external diameter of butterfly nut, the bottom of fourth screw rod is cruciform structure, the fourth screw rod is rotated the seat with the third and is rotated the rotation and be connected.
Preferably, one side of the lower membrane clamp, which is close to the upper membrane clamp, is of an L-shaped structure, the inner diameter of the upper membrane clamp is smaller than that of the lower membrane clamp, the inner edge of the upper membrane clamp abuts against the upper surface of the filter membrane, the filter membrane and the filter core plate are located on the inner wall of the L-shaped structure of the lower membrane clamp, the inner diameter of the insertion pipe is equal to the outer diameter of the liquid outlet, and the liquid outlet is inserted into the insertion pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. this portable water sample filter passes through drive assembly's setting, adopts lever principle, through the slide bar with press the mutually supporting of handle, realize pressing down filtering to the syringe to can be to big batch, when turbidity or the great sample of viscosity filter, through the setting of this structure, greatly reduced press the pressure degree, reduce intensity of labour, and the simple operation stability more.
2. This portable water sample filter passes through the setting of adjustable centre gripping subassembly, can realize carrying out the centre gripping location to the syringe of different diameters, can select to change the filter of different volumes as required, increases the filtrating volume, solves the problem that the filter volume is fixed, and is not adjustable, adopts the synchronous centre gripping of both sides fixed simultaneously, can realize carrying out the circumference centre gripping to the outer wall of syringe, has guaranteed the invariable centre gripping in the centre of a circle of different diameter syringes, has avoided the problem that the position skew appears after different volume syringes are fixed.
3. The filter component of removable filter membrane is connected to this portable water sample filter syringe lower extreme, replaces disposable filter, and increase filter capacity solves the filter that proposes among the above-mentioned background art small capacity, problem that economic cost is high, adopts flat filter membrane to replace the needle formula filter, enlarges liquid area of contact, reduces the resistance, promotes the filter effect, practices thrift the cost.
Drawings
FIG. 1 is a schematic view of the overall construction of the filter of the present invention;
FIG. 2 is a partially exploded view of the control assembly of the present invention;
FIG. 3 is a schematic view of the distribution structure of the clamping assembly of the present invention;
FIG. 4 is an enlarged structural view of A in FIG. 3 according to the present invention;
FIG. 5 is an exploded view of the clamping assembly of the present invention;
FIG. 6 is an enlarged view of B of FIG. 5 according to the present invention;
FIG. 7 is a partial schematic view of a clamping assembly of the present invention;
FIG. 8 is a schematic view of an exploded configuration of the filter assembly of the present invention;
FIG. 9 is a schematic cross-sectional view of the filter assembly of the present invention;
fig. 10 is an enlarged structural view of C in fig. 9 according to the present invention.
In the figure: 1. a base plate; 2. a column; 3. a positioning assembly; 31. a sleeve; 32. a threaded barrel; 33. a first screw; 4. a control component; 41. a second screw; 42. a first rotating base; 43. pressing the handle; 44. a second rotating base; 45. a hinged lever; 46. a slide bar; 47. a first support plate; 48. rotating the buckle; 49. a guide frame; 5. an injector; 51. an outer cylinder; 52. a liquid outlet; 53. supporting a lug; 54. a piston; 55. a valve stem; 56. a pressing plate; 6. a clamping assembly; 61. a housing; 62. a bidirectional lead screw; 63. a nut pair; 64. a connecting plate; 65. a guide sleeve; 66. a guide shaft; 67. a splint; 68. a damping rotating shaft; 69. a second support plate; 70. a third screw; 71. a middle shaft; 72. a grip roller; 73. positioning a plate; 8. a filter assembly; 81. a film clamp is arranged; 82. film feeding clips; 83. positioning buckles; 84. inserting a tube; 85. a third rotating base; 86. a fourth screw; 87. a butterfly nut; 88. filtering the membrane; 89. filtering the core plate; 90. a cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, an embodiment of the present invention is shown:
a portable water sample filter comprising: the syringe 5, the bidirectional screw 62, the nut pair 63, the filter membrane 88 and the filter core plate 89 used in the present application are all commercially available products, and the principle and connection method thereof are well known in the art, so that they will not be described herein,
the top of the bottom plate 1 is connected with an upright post 2;
the positioning assembly 3 comprises a sleeve 31, the sleeve 31 is sleeved on the outer wall of the upright post 2, the outer wall of the sleeve 31 is connected with a threaded barrel 32, a first screw 33 is connected inside the threaded barrel 32, and the mounting positions of the clamping assembly 6 and the filtering assembly 8 can be adjusted through the arrangement of the structure, so that the device can be effectively mounted and used for injectors 5 with different lengths;
the control component 4, the control component 4 includes the second screw rod 41, the threaded connection of the second screw rod 41 is at the top of the pillar 2, the top of the second screw rod 41 is connected with the first rotating seat 42, the inside of the first rotating seat 42 is hinged with the pressing handle 43, the outside of the pressing handle 43 is hinged with the second rotating seat 44, the lower side of the second rotating seat 44 is hinged with the hinge rod 45, the other end of the hinge rod 45 is hinged with the slide rod 46, the bottom of the slide rod 46 is connected with the first supporting plate 47, the four corners of the first supporting plate 47 are all penetrated with the rotating buckles 48, the outer wall of the slide rod 46 is sleeved with the guide frame 49, and the guide frame 49 is fixedly connected to the outer wall of the sleeve 31, through the arrangement of the lever structure, the pressing of the injector 5 is more labor-saving, the working strength can be greatly reduced, the rotation of the first supporting plate 47 and the rotating buckles 48 has certain damping effect, and the stability of the rotation is ensured;
the syringe 5 comprises an outer cylinder 51, the bottom of the outer cylinder 51 is connected with a liquid outlet 52, the outer wall of the liquid outlet 52 is connected with a support lug 53, a piston 54 is arranged inside the outer cylinder 51, a valve rod 55 is connected above the piston 54, the top of the valve rod 55 is connected with a pressing plate 56, and the pressing plate 56 is clamped between the first supporting plate 47 and the rotating buckle 48 and used for rapidly filtering a water sample;
the clamping assembly 6 is connected to the outer wall of the sleeve 31, the outer barrel 51 is clamped at the clamping end of the clamping assembly 6, and the clamping assembly 6 is used for auxiliary clamping and positioning of the syringe 5;
filter assembly 8, filter assembly 8 are located the below of syringe 5, and filter assembly 8 also connects at the outer wall of sleeve 31, and filter assembly 8's setting plays filterable effect, and adopts the setting of circular slab structure, improves the area of contact with liquid greatly.
Further, locating component 3 is provided with four groups altogether, and the outer wall of upper and lower two sets of locating component 3 is connected with leading truck 49 and filter assembly 8 respectively, the outer wall connection of middle two sets of locating component 3 has centre gripping subassembly 6, the inner wall of sleeve 31 is provided with soft cushion, and sleeve 31 is sliding connection with stand 2, first screw rod 33 is threaded connection with screw thread section of thick bamboo 32, threaded connection through screw thread section of thick bamboo 32 and first screw rod 33, make first screw rod 33 carry out the displacement and adjust, when first screw rod 33 extrudees each other with stand 2, realize the fixed mounting to locating component 3, the screw hole of adaptation second screw rod 41 is seted up at the top of stand 2, be convenient for the installation and the dismantlement of second screw rod 41, improve its portability.
Furthermore, a through hole is formed at one end of the pressing handle 43 close to the first rotating seat 42, a rotating shaft penetrates through the through hole and the first rotating seat 42, and a soft rubber handle is arranged at one end of the pressing handle 43 far away from the first rotating seat 42; the setting of flexible glue handle improves the travelling comfort with the hand contact, and the second rotates seat 44 to be provided with threely altogether, and a second rotates seat 44 and articulates at the outer wall of pressing handle 43, and two other second rotate the seat 44 and articulate respectively at the both ends of articulated mast 45, and presses handle 43 outer wall second and rotate seat 44 and articulated mast 45 top second and rotate seat 44 and be fixed connection.
Furthermore, the top of the sliding rod 46 is fixedly connected with a second rotating seat 44, the sliding rod 46 is slidably connected with the guide frame 49, through holes are formed in four corners of the first supporting plate 47, a rotating buckle 48 penetrates through the through holes, the rotating buckle 48 is of an L-shaped structure, a soft rubber pad is arranged on the outer wall of the bottom of the rotating buckle 48, and the rotating buckle 48 is located at the through hole of the first supporting plate 47 and is of an I-shaped structure.
Further, the clamping assembly 6 includes a housing 61, the housing 61 is fixedly connected to the outer wall of the sleeve 31, the inner portion of the housing 61 is rotatably connected to the two-way screw 62, the outer portion of the two-way screw 62 is connected to a nut pair 63, the outer wall of the nut pair 63 is connected to a connecting plate 64, the other end of the connecting plate 64 is connected to a guide sleeve 65, a guide shaft 66 penetrates through the guide sleeve 65, the guide sleeve 65 is connected to a clamping plate 67 connected to the outer wall of the nut pair 63, a damping rotating shaft 68 is inserted into the clamping plate 67, the top of the damping rotating shaft 68 is connected to a second supporting plate 69, the other end of the second supporting plate 69 is connected to a third screw 70 in a threaded manner, the outer wall of the clamping plate 67 is connected to a positioning plate 73, the outer wall of the positioning plate 73 is fixedly connected to a middle shaft 71, the outer wall of the middle shaft 71 is sleeved with a clamping roller 72, the two-way screw 62 is rotated to drive the nut pair 63 to move, so that the clamping plates 67 on both sides are driven to move together, and the clamping roller 72 is clamped and positioned to the outer wall of the outer cylinder 51, and the guiding shaft 66 and the guiding sleeve 65 are arranged to assist in guiding.
Further, two-way lead screw 62's both ends all are connected with nut pair 63, uide bushing 65 is provided with two sets ofly altogether, and every uide bushing 65 of group is provided with two, and it has a guiding axle 66 to run through between two uide bushings 65, guiding axle 66 fixed connection is at the inner wall of casing 61, one side that splint 67 is close to damping pivot 68 is cylindrical structure, damping pivot 68 is the step form, damping pivot 68 is the rotation with splint 67 cylindrical structure department and is connected, and splint 67 is damping rotation with damping pivot 68 and is connected, provide certain stability, be connected through splint 67 and damping pivot 68's rotation, be convenient for adjust the position of second backup pad 69 and third screw rod 70, thereby be convenient for extrude the location to journal stirrup 53, further improve the stability of urceolus 51 centre gripping.
Furthermore, a threaded hole is formed in the second support plate 69 close to the third screw 70, the third screw 70 is connected inside the threaded hole, anti-slip patterns are arranged at the bottom of the third screw 70, and the anti-slip patterns are in contact with the surface of the support lug 53 in a squeezing manner, so that stable positioning of the support lug 53 can be improved, stable installation of the whole injector 5 is realized, two clamping plates 67 are arranged, the clamping plates 67 have the same structure on one side close to each other, the positioning plates 73 are of a U-shaped structure, two positioning plates 73 are arranged in each group, the two positioning plates 73 are respectively arranged at the upper end and the lower end of the clamping plate 67, two middle shafts 71 are fixedly connected between the positioning plates 73, clamping and positioning of the outer cylinder 51 are realized through mutual squeezing of the clamping rollers 72, the injectors 5 with different volumes can be positioned, meanwhile, a positioning mode of circumferential clamping is adopted, fixation of the center positions of the injectors 5 with different diameters can be ensured, and the use stability of the upper control assembly 4 is improved.
Further, the filtering component 8 includes the lower membrane clamp 81, lower membrane clamp 81 fixed connection is at the outer wall of sleeve 31, the upper membrane clamp 82 about the top of lower membrane clamp 81 is established, the outer wall connection of upper membrane clamp 82 has the location to detain 83, the top of upper membrane clamp 82 is connected with grafting pipe 84, the outer wall connection of lower membrane clamp 81 has the third to rotate seat 85, the third rotates that the inside of seat 85 articulates there is fourth screw 86, the external connection of fourth screw 86 has butterfly nut 87, the inner wall of lower membrane clamp 81 is provided with filters core 89, the top of filtering core 89 is provided with filter membrane 88, the bottom of lower membrane clamp 81 is connected with cavity 90, setting through this structure, realize the filtration to the sample, and filter membrane 88 and the setting of the plectane structure of filtering core 89, the contact area is improved, and then improve its filter effect, adopt the setting of dismantlement formula structure simultaneously, be convenient for changing filter membrane 88 inside.
Further, the location is detained 83 and is provided with four altogether, and four location are detained 83 evenly distributed and are pressed from both sides the outer wall of 82 at last membrane, the U style of calligraphy draw-in groove has been seted up at the center of location knot 83, and the width of U style of calligraphy draw-in groove is less than butterfly nut 87's external diameter, the bottom of fourth screw rod 86 is the cruciform structure, fourth screw rod 86 rotates seat 85 with the third and is the rotation and is connected, rotate to the inside of detaining 83 to the location through fourth screw rod 86, through butterfly nut 87's rotation, can press and detain 83 the extrusion to the location, and then press from both sides 82 and press from both sides 81 each other through last membrane, realize the sealing connection of membrane clamp 81 and last membrane clamp 82 down, realize both dismantlements simultaneously and handle.
Further, one side that lower membrane clamp 81 and last membrane clamp 82 are close to each other all is L style of calligraphy structure, the internal diameter of going up membrane clamp 82 is less than the internal diameter of lower membrane clamp 81, and the interior limit butt of going up membrane clamp 82 is at the upper surface of filter membrane 88, filter membrane 88 and filtration core 89 are in lower membrane clamp 81L shape structure inner wall, the internal diameter of grafting pipe 84 equals the external diameter of liquid outlet 52, and the inside of grafting pipe 84 is pegged graft and is had liquid outlet 52, setting through lower membrane clamp 81 and last membrane clamp 82 structure, can realize the stable erection to filter membrane 88 and filtration core 89, simultaneously through mutual extrusion, the sealing of sample liquid has been guaranteed, guarantee its filter effect when avoiding appearing leaking.
The working principle is as follows: when the device is used, a certain sample to be detected is firstly extracted through the injector 5 and is further placed between the clamping rollers 72, the support lug 53 is placed on the upper surface of the top positioning plate 73, the nut pair 63 can move through the rotation of the bidirectional screw rod 62, so that the candy nut pair 63 drives the clamping plate 67 to move, the clamping plate 67 moves to clamp and position the outer surface of the outer cylinder 51 through the clamping rollers 72, the third screw rod 70 is manually rotated to be above the support lug 53, the support lug 53 is squeezed and positioned, the height of the positioning component 3 outside the shell 61 is adjusted, the pressing plate 56 abuts against the lower surface of the first supporting plate 47, and the limiting and clamping of the pressing plate 56 are realized through the rotation of the rotating buckle 48.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. Portable water sample filter, its characterized in that includes:
the top of the bottom plate (1) is connected with an upright post (2);
the positioning assembly (3) comprises a sleeve (31), the sleeve (31) is sleeved on the outer wall of the upright post (2), the outer wall of the sleeve (31) is connected with a threaded barrel (32), and a first screw (33) is connected inside the threaded barrel (32);
the control assembly (4) comprises a second screw rod (41), the second screw rod (41) is in threaded connection with the top of the upright post (2), the top of the second screw rod (41) is connected with a first rotating seat (42), a pressing handle (43) is hinged inside the first rotating seat (42), a second rotating seat (44) is hinged outside the pressing handle (43), a hinge rod (45) is hinged below the second rotating seat (44), the other end of the hinge rod (45) is hinged with a sliding rod (46), the bottom of the sliding rod (46) is connected with a first supporting plate (47), rotating buckles (48) penetrate through four corners of the first supporting plate (47), a guide frame (49) is sleeved on the outer wall of the sliding rod (46), and the guide frame (49) is fixedly connected with the outer wall of the sleeve (31);
the syringe (5) comprises an outer cylinder (51), a liquid outlet (52) is connected to the bottom of the outer cylinder (51), a support lug (53) is connected to the outer wall of the liquid outlet (52), a piston (54) is arranged inside the outer cylinder (51), a valve rod (55) is connected above the piston (54), a pressing plate (56) is connected to the top of the valve rod (55), and the pressing plate (56) is clamped between the first support plate (47) and the rotating buckle (48);
the clamping component (6) is connected to the outer wall of the sleeve (31), and the outer cylinder (51) is clamped by the clamping end of the clamping component (6);
a filter assembly (8), wherein the filter assembly (8) is arranged below the injector (5), and the filter assembly (8) is also connected to the outer wall of the sleeve (31).
2. The portable water sample filter of claim 1, wherein: locating component (3) are provided with four groups altogether, and the outer wall of upper and lower two sets of locating component (3) is connected with leading truck (49) and filtering component (8) respectively, and is middle the outer wall connection of two sets of locating component (3) has centre gripping subassembly (6), the inner wall of sleeve (31) is provided with soft cushion, and sleeve (31) are sliding connection with stand (2), first screw rod (33) are threaded connection with a thread section of thick bamboo (32), the screw hole of adaptation second screw rod (41) is seted up at the top of stand (2).
3. The portable water sample filter of claim 1, wherein: a through hole is formed in one end, close to the first rotating seat (42), of the pressing handle (43), a rotating shaft penetrates through the through hole and the first rotating seat (42), and a soft rubber handle is arranged at one end, far away from the first rotating seat (42), of the pressing handle (43); the second rotates seat (44) and is provided with three altogether, one second rotates seat (44) and articulates at the outer wall of pressing handle (43), and two in addition second rotates seat (44) and articulates respectively at the both ends of articulated rod (45), and presses handle (43) outer wall second and rotates seat (44) and articulated rod (45) top second and be fixed connection.
4. The portable water sample filter of claim 1, wherein: the top fixedly connected with second of slide bar (46) rotates seat (44), slide bar (46) are sliding connection with leading truck (49), the through-hole has all been seted up at four corners of first backup pad (47), and the inside of through-hole runs through and has rotated knot (48), it is L style of calligraphy structure to rotate knot (48), and rotates the bottom outer wall of detaining (48) and be provided with the soft cushion, it is I-shaped structure to rotate knot (48) and be located first backup pad (47) through-hole department.
5. A portable water sample filter as claimed in claim 1, wherein: the clamping assembly (6) comprises a shell (61), the shell (61) is fixedly connected to the outer wall of the sleeve (31), a bidirectional lead screw (62) is connected to the inside of the shell (61) in a rotating mode, a nut pair (63) is connected to the outside of the bidirectional lead screw (62), a connecting plate (64) is connected to the outer wall of the nut pair (63), the other end of the connecting plate (64) is connected with a guide sleeve (65), a guide shaft (66) penetrates through the inside of the guide sleeve (65), a clamping plate (67) is connected to the outer walls of the guide sleeve (65) and the nut pair (63), a damping rotating shaft (68) is inserted into the inside of the clamping plate (67), a second supporting plate (69) is connected to the top of the damping rotating shaft (68), a third screw rod (70) is connected to the other end of the second supporting plate (69) in a threaded mode, a positioning plate (73) is connected to the outer wall of the clamping plate (67), a middle shaft (71) is fixedly connected to the outer wall of the positioning plate (73), and a clamping roller (72) is sleeved on the outer wall of the middle shaft (71).
6. The portable water sample filter of claim 6, wherein: the both ends of two-way lead screw (62) all are connected with nut pair (63), uide bushing (65) are provided with two sets ofly altogether, and every uide bushing (65) of group is provided with two, and runs through between two uide bushings (65) and have a guiding axle (66), guiding axle (66) fixed connection is at the inner wall of casing (61), splint (67) are close to one side of damping pivot (68) and are cylindrical structure, damping pivot (68) are the step form, damping pivot (68) are the rotation with splint (67) cylindrical structure department and are connected.
7. The portable water sample filter of claim 6, wherein: the anti-skidding positioning plate is characterized in that a threaded hole is formed in the position, close to the third screw rod (70), of the second supporting plate (69), the third screw rod (70) is connected inside the threaded hole, anti-skidding lines are arranged at the bottom of the third screw rod (70), two clamping plates (67) are arranged, the clamping plates (67) are close to each other, the structure of one side of each clamping plate (67) is the same, the positioning plate (73) is of a U-shaped structure, each positioning plate (73) is arranged in two, the two positioning plates (73) are located at the upper end and the lower end of each clamping plate (67), and two middle shafts (71) are fixedly connected between the positioning plates (73).
8. A portable water sample filter as claimed in claim 1, wherein: the utility model discloses a membrane cartridge, including lower membrane clamp (81), filtering component (8), lower membrane clamp (81) fixed connection is at the outer wall of sleeve (31), the top of lower membrane clamp (81) is established and is controlled last membrane clamp (82), the outer wall connection of going up membrane clamp (82) has location to detain (83), the top of going up membrane clamp (82) is connected with grafting pipe (84), the outer wall connection of lower membrane clamp (81) has the third to rotate seat (85), the inside of third rotation seat (85) articulates there is fourth screw rod (86), the external connection of fourth screw rod (86) has butterfly nut (87), the inner wall of lower membrane clamp (81) is provided with filters core (89), the top of filtering core (89) is provided with filter membrane (88), the bottom of lower membrane clamp (81) is connected with cavity (90).
9. The portable water sample filter of claim 8, wherein: location knot (83) are provided with four altogether, and four location knot (83) evenly distributed are at the outer wall that the last membrane pressed from both sides (82), U style of calligraphy draw-in groove has been seted up at the center that the location was detained (83), and the width of U style of calligraphy draw-in groove is less than the external diameter of butterfly nut (87), the bottom of fourth screw rod (86) is the cruciform structure, fourth screw rod (86) are rotated seat (85) with the third and are rotated and be connected.
10. The portable water sample filter of claim 8, wherein: one side of the lower membrane clamp (81) close to one side of the upper membrane clamp (82) is L-shaped, the inner diameter of the upper membrane clamp (82) is smaller than that of the lower membrane clamp (81), the inner edge of the upper membrane clamp (82) abuts against the upper surface of the filter membrane (88), the filter membrane (88) and the filter core plate (89) are located on the inner wall of the L-shaped structure of the lower membrane clamp (81), the inner diameter of the insertion pipe (84) is equal to the outer diameter of the liquid outlet (52), and the liquid outlet (52) is inserted into the insertion pipe (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211195336.9A CN115569435A (en) | 2022-09-29 | 2022-09-29 | Portable water sample filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211195336.9A CN115569435A (en) | 2022-09-29 | 2022-09-29 | Portable water sample filter |
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| CN115569435A true CN115569435A (en) | 2023-01-06 |
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| CN202211195336.9A Pending CN115569435A (en) | 2022-09-29 | 2022-09-29 | Portable water sample filter |
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