阅读说明：本技术 一种液体过滤装置 (Liquid filtering device ) 是由 熊克朝 石欢欢 董延生 韩刚 于 2021-08-20 设计创作，主要内容包括：本申请涉及医学实验的领域,尤其涉及一种液体过滤装置,包括过滤件,过滤件包括滤膜和两个用于对夹持膜进行固定的夹持壳,两个夹持壳之间设置有用于对二者进行固定的固定件；两个夹持壳上均固接有用于通液的插接管,所述滤膜位于两根插接管之间的通液路径上。本申请能够较为方便对滤膜重复使用,减少出现浪费的问题。(The application relates to the field of medical experiments, in particular to a liquid filtering device which comprises a filtering piece, wherein the filtering piece comprises a filtering membrane and two clamping shells for fixing the clamping membrane, and a fixing piece for fixing the two clamping shells is arranged between the two clamping shells; and the two clamping shells are fixedly connected with inserting pipes for liquid flowing, and the filter membrane is positioned on a liquid flowing path between the two inserting pipes. This application can be comparatively convenient to filter membrane used repeatedly, reduces the extravagant problem of appearance.)

1. A liquid filtration device, characterized by: the filter element comprises a filter element (3), wherein the filter element (3) comprises a filter membrane (31) and two clamping shells (32) for fixing the clamping membrane, and a fixing piece (33) for fixing the two clamping shells (32) is arranged between the two clamping shells; the two clamping shells (32) are fixedly connected with insertion pipes (321) for liquid flowing, and the filter membrane (31) is positioned on a liquid flowing path between the two insertion pipes (321).

2. A liquid filtration device as claimed in claim 1 wherein: the filtering device further comprises a liquid containing part (1) connected with the inserting pipe (321), the liquid containing part (1) comprises a liquid containing pipe (11) used for containing liquid to be filtered and a piston (111) arranged in the liquid containing pipe (11) and used for pushing the liquid to flow, and the piston (111) is connected with the liquid containing pipe (11) in a sliding mode; a liquid adding pipe (15) and a liquid discharging pipe (13) are fixedly connected to the liquid containing pipe (11), the liquid adding pipe (15) and the liquid discharging pipe (13) are both communicated with the interior of the liquid containing pipe (11), a sealing plug (16) is arranged on the liquid adding pipe (15), and a sealing plug (14) is arranged in the liquid discharging pipe (13).

3. A liquid filtration device as claimed in claim 2 wherein: the filtering device further comprises an injection device (4) used for driving the piston (111) to slide, wherein the injection device (4) comprises a fixing block (41) and an injection rod (42) in threaded connection with the fixing block (41), and the end part of the injection rod (42) is rotatably connected with the piston (111).

4. A liquid filtration device as claimed in claim 3 wherein: be provided with on fixed block (41) and be used for driving and push away notes pole (42) pivoted driving piece (8), driving piece (8) including fix bearing board (81) on fixed block (41), sliding connection sliding block (82) on bearing board (81) and fix driving motor (83) on sliding block (82), the output and the push away notes pole (42) of driving motor (83) are connected in order to drive and push away notes pole (42) and rotate.

5. A liquid filtration device according to claim 4 wherein: the rigid coupling has connecting plate (84) on sliding block (82), the output of driving motor (83) and push away notes pole (42) all rotate with connecting plate (84) and be connected, and push away and annotate and offer spacing groove (421) with connecting plate (84) adaptation on pole (42).

6. A liquid filtration device as claimed in claim 2 wherein: the filtering device also comprises a support (2) used for installing the liquid containing pipe (11), the support (2) comprises an installation plate (21) and a plurality of supporting blocks (24) fixed on the installation plate (21), and clamping grooves (241) for clamping the liquid containing pipe (11) are formed in the supporting blocks (24); the supporting block (24) is provided with a positioning component (5) used for fixing the liquid containing pipe (11), the positioning component (5) comprises a pressing plate (51) arranged on the supporting block (24), and the middle part of the pressing plate (51) is bent to form a pressing groove (511) for clamping the liquid containing pipe (11).

7. A liquid filtration device according to claim 6 wherein: the two ends of the pressing plate (51) are respectively provided with a connecting block (52), one end of the pressing plate (51) is hinged with the connecting block (52), and the other end of the pressing plate (51) is fixed with the corresponding connecting block (52) through a bolt; two guide rods (53) are fixedly connected to the supporting block (24), the two connecting blocks (52) are respectively in sliding connection with the two guide rods (53), and clamping pieces (54) used for limiting the connecting blocks (52) are arranged on the connecting rods (331).

8. A liquid filtration device according to claim 7 wherein: the pressing plate (51) is provided with an elastic abutting assembly (6), the elastic abutting assembly (6) is positioned in the pressing groove (511) and comprises a plurality of abutting plates (61) which are in sliding connection with the pressing plate (51), and the abutting plates (61) are abutted to the liquid containing pipe (11); elastic connecting pieces (62) are arranged between the abutting plate (61) and the pressing plate (51), and the elastic connecting pieces (62) apply elastic force towards the liquid containing pipe (11) to the abutting plate (61); an elastic abutting component (6) is also arranged on the supporting block (24), and the elastic abutting component (6) is located in the clamping groove (241).

9. A liquid filtration device as claimed in claim 1 wherein: the fixing part (33) comprises clamping plates (322) respectively fixed on the two clamping shells (32), wherein one clamping plate (322) is fixedly connected with a plurality of connecting rods (331), and the connecting rods (331) penetrate through the other clamping plate (322) and are in sliding connection with the other clamping plate (322); the end part of the connecting rod (331) penetrating through the clamping plate (322) is connected with a jacking block (332) through screw threads.

10. A liquid filtration device as claimed in claim 9 wherein: the clamping plate (322) which is in sliding connection with the connecting rod (331) is rotatably connected with a plurality of transition sleeves (323), the transition sleeves (323) are respectively sleeved on the corresponding connecting rod (331), and the transition sleeves (323) are in threaded fit with the connecting rod (331).

Technical Field

The application relates to the field of medical experiments, in particular to a liquid filtering device.

Background

In the process of medical experiment or assay, the used liquid medicine or other liquid needs to be filtered so as to reduce the influence of impurities on the normal operation of the experiment; at present, the more commonly used is direct formula syringe needle filter in medical science experiment, and it includes a casing, and the casing is relative both ends communicate each other, and one end is used for being connected with the syringe, and the casing internal fixation has filtration membrane, and on the filtration membrane was located the liquid circulation route in the casing, liquid flowed through the filtration membrane from the casing, realizes the filtration to granule impurity in the liquid.

With respect to the related art in the above, the inventors found that: the direct type syringe needle filter who uses at present is disposable product, abandons promptly after finishing using and retrieves, is difficult to wash with used repeatedly to the filter membrane wherein, and the filter membrane only uses once promptly, causes extravagant problem easily.

Disclosure of Invention

In order to comparatively make things convenient for filter membrane used repeatedly, reduce the problem of appearing extravagantly, this application provides a liquid filter equipment.

The application provides a liquid filter equipment adopts following technical scheme:

a liquid filtering device comprises a filtering piece, wherein the filtering piece comprises a filtering membrane and two clamping shells for fixing the clamping membrane, and a fixing piece for fixing the two clamping shells is arranged between the two clamping shells; and the two clamping shells are fixedly connected with inserting pipes for liquid flowing, and the filter membrane is positioned on a liquid flowing path between the two inserting pipes.

Through adopting above-mentioned technical scheme, use the device to carry out liquid filtration, after a period of time filters, with two centre gripping shell separations, can directly change filter membrane wherein, or pull down the filter membrane and wash back used repeatedly, need not change filtering piece whole at every turn, reduce the extravagant problem of appearance.

Optionally, the filtering device further comprises a liquid containing part connected with the insertion pipe, the liquid containing part comprises a liquid containing pipe for containing liquid to be filtered and a piston arranged in the liquid containing pipe and used for pushing the liquid to flow, and the piston is connected with the liquid containing pipe in a sliding manner; the liquid containing pipe is fixedly connected with a liquid adding pipe and a liquid discharging pipe, the liquid adding pipe and the liquid discharging pipe are both communicated with the inside of the liquid containing pipe, the liquid adding pipe is provided with a sealing plug, and the liquid discharging pipe is internally provided with a sealing plug.

By adopting the technical scheme, the liquid is directly injected into the liquid containing pipe through the liquid adding pipe, the filter piece does not need to be detached, and the operation is more convenient; when needs clear up the filter membrane, need not pull down the filter membrane or separate with flourishing liquid pipe filtering piece, directly with the clear water through filtering in piece inhales flourishing liquid pipe, the clear water dashes the granule impurity of adhesion on the filter membrane to flourishing liquid pipe, later with the clear water that contains impurity discharge from the fluid-discharge tube, can accomplish the washing to the filter membrane, promoted the convenience to the clearance filter membrane.

Optionally, the filtering device further comprises a pushing injector for driving the piston to slide, the pushing injector comprises a fixed block and a pushing rod in threaded connection with the fixed block, and the end of the pushing rod is rotatably connected with the piston.

Through adopting above-mentioned technical scheme, when filtering liquid, rotate the injection pole, drive the liquid discharge that the injection plug will contain in the liquid pipe, compare in the condition that directly promotes the injection plug, can be more accurate control liquid exhaust's flow, reduce the disposable discharge liquid flow and too big and cause the problem of damage to the filter membrane appearing, promote the filter effect of filter membrane to liquid.

Optionally, the fixed block is provided with a driving part for driving the injection rod to rotate, the driving part comprises a bearing plate fixed on the fixed block, a sliding block connected to the bearing plate in a sliding manner, and a driving motor fixed on the sliding block, and an output end of the driving motor is connected with the injection rod to drive the injection rod to rotate.

Through adopting above-mentioned technical scheme, when liquid discharge in the liquid containing pipe, do not need the manual rotation of staff to push away the injection pole, adopt driving motor to drive and push away the injection pole and rotate, promoted the convenience that the device used, and make the liquid exhaust's in the liquid containing pipe flow keep even, further reduce the problem that the appearance causes the damage to the filter membrane, promote the filter effect.

Optionally, the rigid coupling has the connecting plate on the sliding block, driving motor's output and the injection pole all rotates with the connecting plate to be connected, and set up the spacing groove with the connecting plate adaptation on the injection pole.

Through adopting above-mentioned technical scheme, be connected the sliding block with push the injection rod, keep the synchronism of sliding block and push the injection rod slip process, keep driving motor's output promptly and push injection rod transmission complex stability, be difficult to produce the destruction to the connection of the two, the process that the drive pushed the injection rod is more stable.

Optionally, the filtering device further comprises a bracket for mounting the liquid containing pipe, the bracket comprises a mounting plate and a plurality of supporting blocks fixed on the mounting plate, and clamping grooves for clamping the liquid containing pipe are formed in the supporting blocks; the supporting block is provided with a positioning assembly used for fixing the liquid containing pipe, the positioning assembly comprises a pressing plate arranged on the supporting block, and the middle part of the pressing plate is bent to form a pressing groove for clamping the liquid containing pipe.

Through adopting above-mentioned technical scheme, put into the joint inslot with flourishing liquid pipe, later use the pressure strip to contain the liquid pipe press from both sides tightly fixed, carry out filterable in-process, do not need the staff to remain the position of flourishing liquid pipe all the time, promoted the convenience that the device used.

Optionally, the two ends of the compression plate are both provided with a connecting block, one end of the compression plate is hinged with the connecting block, and the other end of the compression plate is fixed with the corresponding connecting block through a bolt; the supporting block is fixedly connected with two guide rods, the two connecting blocks are respectively connected with the two guide rods in a sliding mode, and the connecting rod is provided with a clamping piece used for limiting the connecting blocks.

Through adopting above-mentioned technical scheme, when fixing flourishing liquid pipe, at first open the pressure strip, the joint inslot is put into to flourishing liquid pipe, rotates pressure strip to its free end and connecting block butt to use the bolt to fix, slide pressure strip and flourishing liquid pipe butt use the clamping piece to fix the connecting block, can realize the fixed to flourishing liquid pipe, it is comparatively convenient to operate.

Optionally, the pressing plate is provided with an elastic abutting assembly, the elastic abutting assembly is located in the pressing groove and comprises a plurality of abutting plates in sliding connection with the pressing plate, and the abutting plates are abutted to the liquid containing pipe; elastic connecting pieces are arranged between the abutting plates and the pressing plates, and the elastic connecting pieces apply elastic force towards the direction of the liquid containing pipe to the abutting plates; the supporting block is also provided with an elastic abutting component which is positioned in the clamping groove.

Through adopting above-mentioned technical scheme, when using the pressure strip to flourishing liquid pipe fixed, butt board and flourishing liquid pipe butt, and the butt spring is in by compression state, keeping under the fixed firm state of flourishing liquid pipe, be difficult to appear the problem that causes the damage to flourishing liquid pipe clamp force is too big, in addition, can fix the flourishing liquid pipe of size difference, promote the device's suitability.

Optionally, the fixing member includes two clamping plates fixed to the two clamping shells, one of the clamping plates is fixedly connected with a plurality of connecting rods, and the plurality of connecting rods penetrate through the other clamping plate and are slidably connected with the other clamping plate; the end part of the connecting rod penetrating through the clamping plate is in threaded connection with a jacking block.

Through adopting above-mentioned technical scheme, when needing to take off the filter membrane, unscrew the tight piece in top for two centre gripping shells separation can directly pull down the filter membrane, when fixing the filter membrane, use two centre gripping shells to press from both sides tight filter membrane, later screw up the tight piece in top, make two centre gripping shells press from both sides tight fixedly to the filter membrane, and fixed operation is comparatively convenient.

Optionally, a plurality of transition sleeves are rotatably connected to the clamping plate in sliding connection with the connecting rod, the transition sleeves are respectively sleeved on the corresponding connecting rod, and the transition sleeves are in threaded fit with the connecting rod.

Through adopting above-mentioned technical scheme, use the transition cover to play the effect of rightting connecting rod and grip block, reduce the problem that grip block and connecting rod rocked relatively, promote the two complex stability.

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

1. the liquid is filtered through the arranged filter piece, so that the filter membrane can be conveniently detached and independently replaced, or the filter membrane can be repeatedly used after being cleaned, and the waste problem is reduced;

2. through the arranged liquid adding pipe, liquid to be filtered can be conveniently added into the liquid containing pipe, the filtering piece does not need to be detached for operation, and the use convenience is improved;

3. through the arranged drain pipe, after filtering for a period of time, clear water is sucked into the liquid containing pipe through the filter piece, the clear water flushes particle impurities adhered to the filter membrane into the liquid containing pipe, and then the clear water containing the impurities is discharged from the drain pipe;

4. through the arranged elastic abutting assembly, when the liquid containing pipes with different sizes are fixed, the fixing firmness is kept, and the applicability of the device is improved;

5. through the injection device and the driving piece that set up, when liquid discharge in will flourishing liquid pipe, do not need the staff manual to operate, promote the convenience that the device used, simultaneously for liquid is from flourishing liquid pipe exhaust flow remain stable, is difficult to appear the too big problem that causes the filter membrane to damage of impulsive force to the filter membrane at a certain moment.

Drawings

FIG. 1 is a schematic view of a liquid filtering apparatus of example 1;

FIG. 2 is a schematic view showing the structure of a liquid container;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

FIG. 5 is a schematic view showing the structure of a stent in example 1;

FIG. 6 is a schematic view of the elastic abutment assembly and the elastic positioning member;

FIG. 7 is an enlarged schematic view of portion C of FIG. 6;

FIG. 8 is a schematic view for showing the structure of a driving member in embodiment 3;

fig. 9 is a schematic view for illustrating a connection relationship between the connection plate and the bolus rod.

Description of reference numerals: 1. a liquid containing member; 11. a liquid containing pipe; 111. a piston; 12. a transfer tube; 13. a liquid discharge pipe; 14. blocking; 15. a liquid feeding pipe; 16. sealing the plug; 2. a support; 21. mounting a plate; 211. a guide rail; 212. positioning a groove; 22. a support plate; 221. mounting grooves; 23. jacking the bolt; 24. a support block; 241. a clamping groove; 242. a sliding cavity; 243. a guide groove; 244. an accommodating chamber; 3. a filter member; 31. filtering the membrane; 32. a clamping shell; 321. inserting a pipe; 322. a clamping plate; 323. a transition sleeve; 33. a fixing member; 331. a connecting rod; 332. a jacking block; 34. a guide bar; 35. adjusting a rod; 36. turning a handle; 4. a syringe; 41. a fixed block; 42. a push injection rod; 421. a limiting groove; 43. a hand wheel; 5. a positioning assembly; 51. a compression plate; 511. a compaction groove; 52. connecting blocks; 53. a guide bar; 54. a clamping member; 6. an elastic abutting assembly; 61. a butt joint plate; 62. an elastic connecting member; 621. a slide bar; 622. an abutment spring; 623. a baffle plate; 7. an elastic positioning member; 71. positioning a rod; 72. an elastic member; 721. a limiting ring; 722. a positioning spring; 723. a deflector rod; 8. a drive member; 81. a support plate; 811. a guide rail; 82. a sliding block; 821. a guide groove; 83. a drive motor; 84. a connecting plate; 85. and a reinforcing plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

Example 1

The embodiment of the application discloses a liquid filtering device. Referring to fig. 1 and 2, the filtering device comprises a liquid containing part 1 for containing liquid to be filtered, a bracket 2 for mounting the liquid containing part 1 and a filtering piece 3 arranged at the liquid outlet end of the liquid containing part 1; the liquid containing part 1 comprises a liquid containing pipe 11 arranged on the support 2, the liquid containing pipe 11 is a cylindrical structure with one open end, one end far away from the open end is fixedly connected with an adapter pipe 12, the adapter pipe 12 is communicated with the interior of the liquid containing pipe 11, a piston 111 is arranged in the liquid containing pipe 11 and used for driving liquid in the liquid containing pipe 11 to be discharged, one open end of the liquid containing pipe 11 is provided with a syringe 4, and the piston 111 is driven by the syringe 4 to slide in the liquid containing pipe 11; the filtering piece 3 is connected with the adapting pipe 12 and is used for filtering the liquid discharged from the liquid containing pipe 11.

Referring to fig. 1 and 2, the filter member 3 includes a filter membrane 31, two holding cases 32 for holding and fixing the filter membrane 31, and a fixing member 33 for fixing the two holding cases 32; the clamping shells 32 are hemispherical shells, the filter membrane 31 is positioned between the two clamping shells 32 and is in a flattened state, and the filter membrane 31 is clamped by the two clamping shells 32 to be fixed; one side of the clamping shell 32, which is far away from the filter membrane 31, is fixedly connected with an insertion pipe 321, and the insertion pipe 321 is communicated with the inner space of the two clamping shells 32 in a splicing state; one of the plug pipes 321 is used for connecting with the adapter pipe 12, specifically, the end of the adapter pipe 12 is embedded in the plug pipe 321 to realize the connection between the two; another tube 321 is used to connect to a container or pipe for filtered fluid.

Referring to fig. 1 and 2, a clamping plate 322 is fixedly connected to the clamping shell 32, the fixing member 33 includes four connecting rods 331 fixed to the clamping plate 322, the connecting rods 331 are located on one clamping plate 322 close to the adapter tube 12, the four connecting rods 331 are perpendicular to the clamping plate 322, the four connecting rods 331 are distributed around the edge of the clamping plate 322 at intervals, and specifically, the four connecting rods 331 are located at four corner positions on the clamping plate 322 respectively; the four connecting rods 331 penetrate through the other clamping plate 322, the other clamping plate 322 is connected with the connecting rods 331 in a sliding mode, and one end, penetrating through the corresponding clamping plate 322, of each connecting rod 331 is connected with a jacking block 332 in a threaded mode; the clamping shell 32 far away from the adapter tube 12 slides towards the adapter tube 12, so that the two clamping shells 32 clamp the filter membrane 31, and then the jacking block 332 is rotated to jack the filter membrane 31 tightly with the clamping plate 322, so that the filter membrane 31 is fixed by the two clamping shells 32, and the operation is convenient.

Referring to fig. 1 and 3, four transition sleeves 323 are rotatably connected to the clamping plate 322 slidably connected to the connecting rod 331, and the four transition sleeves 323 are respectively sleeved on the corresponding connecting rod 331 and are in threaded fit with the corresponding connecting rod 331; in the process of sliding the clamping shell 32 and the clamping plate 322 along the direction of the connecting rod 331, the transition sleeve 323 rotates relative to the connecting rod 331, the transition sleeve 323 is adopted to realize the effect of centering the connecting rod 331, and the stability of connection between the connecting rod 331 and the clamping plate 322 is improved.

When needs filter liquid, will wait to filter liquid and inhale to flourishing liquid pipe 11 through push injector 4, later will filter 3 installation to the switching pipe 12 on, it is concrete, directly establish the pipe 321 cover of pegging graft on switching pipe 12 can, follow-up liquid discharge and the flow through filter membrane 31 of waiting to filter in the drive flourishing liquid pipe 11 through push injector 4, can realize the filtration to liquid, after using a period, can be comparatively convenient pull down the washing with filter membrane 31, carry out used repeatedly, the extravagant problem appears in the reduction.

Referring to fig. 2 and 4, a liquid discharge pipe 13 is fixedly connected to the side wall of the liquid containing pipe 11, and the liquid discharge pipe 13 is located at the lower side of the liquid containing pipe 11 and is communicated with the inside of the liquid containing pipe 11; a sealing plug 14 is embedded in the liquid discharge pipe 13, and the side surface of the sealing plug 14 positioned in the liquid containing pipe 11 and the inner wall of the liquid containing pipe 11 are positioned on the same circumferential surface; so, after carrying out filtering operation a period, inhale the clear water in to flourishing liquid pipe 11 through filtering piece 3, with the washing away of the impurity granule of adhesion on the filter membrane 31 to flourishing liquid pipe 11 in, later with containing the water that contains the impurity granule in the liquid pipe 11 and discharging from fluid-discharge tube 13, can realize the washing to filter membrane 31, need not dismantle filtering piece 3, through this kind of anti-washing mode, the washing to filter membrane 31 of realization that can be more convenient.

Referring to fig. 2, a liquid feeding pipe 15 is further fixedly connected to the side wall of the liquid containing pipe 11, the liquid feeding pipe 15 is communicated with the inside of the liquid containing pipe 11, and the liquid feeding pipe 15 is located at the upper side of the side wall of the liquid containing pipe 11; a sealing plug 16 for plugging the liquid feeding pipe 15 is filled in the liquid feeding pipe 15; through the liquid feeding pipe 15 that sets up, can be comparatively convenient add liquid to flourishing liquid pipe 11, need not pull down the filter piece 3 and operate, promoted the convenience of using.

Referring to fig. 1, the bracket 2 includes a mounting plate 21 and two support plates 22 vertically fixed on the mounting plate 21; the mounting plate 21 is used for being fixed with a mounting base body, such as the ground, a wall surface, a desktop and the like; one side of the supporting plates 22 is provided with a mounting groove 221, and when the liquid containing pipe 11 is mounted, the liquid containing pipe 11 is clamped into the mounting grooves 221 on the two supporting plates 22; the support plate 22 is connected with a puller bolt 23 through a thread, and the puller bolt 23 is tightly abutted against the liquid containing pipe 11 in a state that the liquid containing pipe 11 is clamped into the mounting groove 221, so that the liquid containing pipe 11 is fixed.

Referring to fig. 1 and 2, two guide rods 34 are fixed on a clamping plate 322 close to the liquid containing tube 11, the guide rods 34 are located on one side of the clamping plate 322 facing the support plate 22, an adjusting rod 35 is rotatably connected on the side of the clamping plate 322 facing the support plate 22, the adjusting rod 35 is located between the two guide rods 34, the adjusting rod 35 penetrates through the support plate 22 and is in threaded fit with the support plate 22, and a rotating handle 36 is fixedly connected to the end of the adjusting rod 35 penetrating through the support plate 22 so as to rotate the adjusting rod 35.

When dismantling or need change flourishing liquid pipe 11 to filtering piece 3 ann, rotate regulation pole 35, can be more for convenient adjust the position of centre gripping shell 32 for peg graft pipe 321 and switching pipe 12 break away from, or drive peg graft pipe 321 cover and establish on switching pipe 12, it is comparatively convenient to operate.

Referring to fig. 1 and 2, the injector 4 includes a fixing block 41 for fixing with the mounting substrate and an injection rod 42 screwed on the fixing block 41, and an end of the injection rod 42 is rotatably connected with the piston 111; a hand wheel 43 is fixedly connected to one end of the injection rod 42 far away from the liquid containing pipe 11.

When liquid to flourishing in the liquid pipe 11 filters, it rotates to drive injection pole 42 through hand wheel 43, it filters to arrange to filter 3 in with the liquid that contains in the liquid pipe 11 to drive piston 111, compare in direct injection pole 42 of promoting with liquid exhaust's mode, can be more accurate control the flow of discharged liquid, reduce the too big phenomenon of the flow of disposable exhaust liquid under the direct circumstances that promotes injection pole 42 appearing, be difficult to appear too big and cause the problem of damage to filter membrane 31 impulsive force, promote filter membrane 31 to the stability of liquid filter effect.

The implementation principle of the liquid filtering device in the embodiment of the application is as follows: when liquid needs to be filtered, the liquid to be filtered is discharged into the liquid containing pipe 11 through the liquid feeding pipe 15, one of the clamping shells 32 and the clamping plate 322 is connected with the other clamping shell 32 through the connecting rod 331, the filter membrane 31 is arranged between the two clamping shells 32, the two clamping shells 32 clamp the filter membrane 31 tightly, the tightening and jacking block 332 is screwed to fix the two clamping shells 32, then the clamping shell 32 is driven to slide through the adjusting rod 35, the inserting pipe 321 is sleeved on the adapting pipe 12, then the pushing and injecting rod 42 is rotated to drive the piston 111 to discharge the liquid in the liquid containing pipe 11, and the liquid is filtered in the process of flowing through the filter membrane 31.

Through the arranged filter element 3, the filter membrane 31 is fixed by using two clamping shells 32, the liquid discharge pipe 13 is arranged on the liquid containing pipe 11, and after filtering for a period of time, the filter membrane 31 can be cleaned more conveniently in a back washing mode, so that the filter membrane 31 can be used for a longer time continuously, waste is reduced, and the filter membrane 31 can be replaced more conveniently after the problem of damage occurs in the later stage; when filtering, the liquid that adopts the injector 4 that sets up to hold in the liquid pipe 11 is discharged, during the operation direct rotation the injection pole 42 can, be convenient for control liquid exhaust flow, promote the filterable effect of liquid.

Example 2

The difference between the embodiment of the present application and embodiment 1 lies in, the structure of support 2 is different, refer to fig. 5 and fig. 6, support 2 includes mounting panel 21 and fixes two supporting blocks 24 on mounting panel 21, two supporting blocks 24 are kept away from and are offered the joint groove 241 that is used for installing flourishing liquid pipe 11 on the side of mounting panel 21, be provided with on the supporting block 24 and be used for carrying out the locating component 5 fixed to flourishing liquid pipe 11 in the joint groove 241, locating component 5 is including setting up the pressure strip 51 on supporting block 24, the middle part of pressure strip 51 is protruding to the direction of keeping away from supporting block 24, form one and compress tightly groove 511, flourishing liquid pipe 11 is located joint groove 241 and compresses tightly the groove 511, and support tightly with joint groove 241 and compress tightly the groove 511 lateral wall simultaneously, realize the fixed to flourishing liquid pipe 11.

Specifically, referring to fig. 6, two ends of the pressing plate 51 are respectively provided with a connecting block 52, one end of the pressing plate 51 is hinged to one of the connecting blocks 52, and the other end is fixed to the other connecting block 52 through a bolt; the two connecting blocks 52 are both connected with the supporting block 24 in a sliding manner, two guide rods 53 are fixed on the supporting block 24, the guide rods 53 penetrate through the corresponding connecting blocks 52, and the connecting blocks 52 are in sliding fit with the guide rods 53; a clamping piece 54 for fixing the connecting block 52 is arranged on the guide rod 53, and the clamping piece 54 is a nut and is in threaded connection with the guide rod 53; when the pressing plate 51 is used for fixing the liquid containing pipe 11, the pressing plate 51 is matched with the supporting block 24 to clamp and fix the liquid containing pipe 11 by sliding the connecting block 52 and the pressing plate 51, then the clamping piece 54 is screwed, the pressing force towards the supporting block 24 is applied to the pressing plate 51 by the clamping piece 54, and the pressing plate 51 is abutted against the liquid containing pipe 11, so that the fixing of the connecting block 52 can be realized, and the operation is convenient.

When flourishing liquid pipe 11 in the installation, the clamp plate 51 is kept away from the one end of articulated tip and is in the non-fixed state, rotate clamp plate 51, place flourishing liquid pipe 11 in joint groove 241, rotate clamp plate 51 and use the bolt to fix clamp plate 51 and connecting block 52, direction sliding connection block 52 and clamp plate 51 to supporting shoe 24, and use clamping piece 54 to compress tightly fixedly to connecting block 52, can realize the fixed to flourishing liquid pipe 11, compare in the mode that directly uses tight bolt 23 in top to carry out the tight fixed in top to flourishing liquid pipe 11, increased the area of contact with flourishing liquid pipe 11, it is more firm to flourishing liquid pipe 11 fixed, and be difficult to appear causing the problem of damage to flourishing liquid pipe 11.

Referring to fig. 6, the pressing plate 51 is provided with an elastic abutting assembly 6, the elastic abutting assembly 6 is located in the pressing groove 511 and includes a plurality of abutting plates 61 and a plurality of elastic connecting pieces 62, the plurality of elastic connecting pieces 62 are respectively located between the corresponding abutting plates 61 and the pressing plate 51, each elastic connecting piece 62 includes a sliding rod 621 fixed on the abutting plate 61 and an abutting spring 622 sleeved on the sliding rod 621, the sliding rod 621 penetrates through the pressing plate 51 and is slidably connected with the pressing plate 51, and a baffle 623 is fixedly connected to an end of the sliding rod 621 penetrating through the pressing plate 51 to reduce the problem that the sliding rod 621 is separated from the pressing plate 51; one end of the abutting spring 622 is fixedly connected with the pressing plate 51, the other end of the abutting spring is fixedly connected with the abutting plate 61, and elasticity in the direction away from the pressing plate 51 is exerted on the abutting plate 61; correspondingly, the supporting block 24 is also provided with an elastic abutting component 6, the elastic abutting component 6 is located in the clamping groove 241, one end of the sliding rod 621 where the baffle 623 is located is inserted into the supporting block 24 and is connected with the supporting block 24 in a sliding manner, and the supporting block 24 is internally provided with a sliding cavity 242 for the baffle 623 to slide.

Use pressure strip 51 to carry out under the state of fixing to flourishing liquid pipe 11, flourishing liquid pipe 11 and polylith butt plate 61 butt, and butt spring 622 is in by compression state, when keeping fixed firm to flourishing liquid pipe 11, reduce the problem that the too big and cause the damage of flourishing liquid pipe 11 extrusion force of appearance, in addition, when fixing flourishing liquid pipe 11 to unidimensional, carry out the compression of different degrees to butt spring 622, can keep fixed firm to the flourishing liquid pipe 11 of unidimensional, promote this support 2's suitability.

Referring to fig. 5, the supporting block 24 is slidably connected to the mounting plate 21, the mounting plate 21 is fixedly connected to a guide rail 211, and the section of the guide rail 211 is dovetail-shaped; a guide groove 243 matched with the guide rail 211 is formed in the supporting block 24, and the guide rail 211 is embedded in the guide groove 243, so that the supporting block 24 slides along the length direction of the guide rail 211; when the liquid containing pipes 11 of different types and sizes are fixed, the two supporting blocks 24 are adjusted to be respectively positioned at the two ends of the liquid containing pipe 11, so that the firmness of fixing the liquid containing pipe 11 is improved.

Referring to fig. 5 and 7, the supporting block 24 is provided with an elastic positioning member 7 for fixing the supporting block 24, the elastic positioning member 7 includes a positioning rod 71 slidably connected to the supporting block 24 and an elastic member 72 disposed between the positioning rod 71 and the supporting block 24, the mounting plate 21 is provided with a plurality of positioning grooves 212 for the positioning rod 71 to be inserted into, and the elastic member 72 applies an elastic force to the positioning rod 71 toward the mounting plate 21; the elastic part 72 comprises a limiting ring 721 fixed on the positioning rod 71 and a positioning spring 722 sleeved on the positioning rod 71, the limiting ring 721 is located in the supporting block 24, an accommodating cavity 244 for the limiting ring 721 to slide is formed in the supporting block 24, the positioning spring 722 is located in the accommodating cavity 244 and is located on one side of the limiting ring 721 far away from the mounting plate 21, one end of the positioning spring 722 is fixedly connected with the side wall of the end part of the accommodating cavity 244, and the other end of the positioning spring 722 is fixedly connected on the limiting ring 721 to apply elastic force to the positioning rod 71 towards the mounting plate 21; the limiting ring 721 is fixedly connected with a driving rod 723, and the end part of the driving rod 723 penetrates to the outer side of the supporting block 24 so as to adjust the positioning rod 71; therefore, the supporting block 24 can be conveniently fixed in the process of adjusting the position of the supporting block.

The implementation principle of the liquid filtering device in the embodiment of the application is as follows: when the liquid containing pipe 11 is fixed, firstly, the positions of the two supporting blocks 24 are adjusted according to the size of the liquid containing pipe 11, so that the two supporting blocks 24 are respectively located at the corresponding positions at the two ends of the liquid containing pipe 11, the supporting blocks 24 are fixed through the elastic positioning pieces 7, the liquid containing pipe 11 is placed on the elastic abutting components 6 on the two supporting blocks 24, and the liquid containing pipe 11 is pressed and fixed through the pressing plates 51; under the state of fixing liquid containing pipe 11, butt spring 622 to compressed state, can with the liquid containing pipe 11 adaptation of size difference, promptly to under the fixed state of liquid containing pipe 11 of equidimension not, keep fixed firm to liquid containing pipe 11 simultaneously, be difficult to the problem that causes the tight damage of clamp to liquid containing pipe 11, promote the device's suitability.

Example 3

The embodiment of the present application differs from embodiment 1 in that: referring to fig. 8 and 9, a driving member 8 for driving the injection rod 42 to rotate is disposed on the fixing block 41, the driving member 8 is located on one side of the fixing block 41 away from the liquid containing tube 11, and includes a supporting plate 81 fixed on the fixing block 41, a sliding block 82 slidably connected to the supporting plate 81, and a driving motor 83 fixed on the sliding block 82, an output end of the driving motor 83 is connected to the injection rod 42 to drive the injection rod 42 to rotate, an output end of the driving motor 83 is connected to the injection rod 42 through a gear for transmission, and in addition, a belt transmission mode, a chain transmission mode, or the like can be adopted; for the connection of the sliding block 82 and the supporting plate 81, a guide rail 811 with a T-shaped section is fixed on the supporting plate 81, a guide groove 821 matched with the guide rail 811 is arranged on the sliding block 82, the guide rail 811 is embedded in the guide groove 821, and the sliding block 82 is in sliding fit with the guide rail 811.

Referring to fig. 8 and 9, a connecting plate 84 is further fixedly connected to the sliding block 82, the output end of the driving motor 83 and the injection rod 42 are rotatably connected to the connecting rod 331, and the sliding synchronism of the sliding block 82 and the injection rod 42 is maintained through the connecting plate 84; a limiting groove 421 is formed in the position, corresponding to the connecting plate 84, of the injection rod 42, and the connecting plate 84 is embedded in the limiting groove 421, so that the problem that the injection rod 42 slides relative to the connecting plate 84 is solved, namely, the stable matching between the driving motor 83 and the injection rod 42 is ensured; a reinforcing plate 85 is fixedly connected between the supporting plate 81 and the fixing block 41 to reinforce the supporting plate 81.

Through the arranged driving part 8, when filtering, a worker does not need to manually rotate the injection rod 42, and only needs to control the start and stop of the driving motor 83 through a button and adjust the rotating speed of the driving motor 83, so that the use convenience of the device is improved; meanwhile, the flow of the liquid discharged from the liquid containing pipe 11 is kept constant relatively, compared with the situation that the pushing rod 42 is adjusted manually to drive the liquid to be discharged discontinuously, the liquid filtering effect is further improved, and the problem that the filter membrane 31 is damaged due to overlarge impulsive force on the filter membrane 31 is not easy to occur.

The implementation principle of a liquid filter equipment of this application embodiment does: when discharging liquid from flourishing liquid pipe 11 and filtering it, the staff passes through control button control driving motor 83, drives the pole 42 of annotating and rotates, and this in-process, under the drive of connecting plate 84, the sliding block 82 slides along with the pole 42 of annotating is synchronous to keep driving motor 83 and the transmission cooperation of pole 42 of annotating stable, promoted the convenience of carrying out filtering operation.

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