CN111254068B - Fungus collecting instrument structure - Google Patents
Fungus collecting instrument structure Download PDFInfo
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- CN111254068B CN111254068B CN201911242928.XA CN201911242928A CN111254068B CN 111254068 B CN111254068 B CN 111254068B CN 201911242928 A CN201911242928 A CN 201911242928A CN 111254068 B CN111254068 B CN 111254068B
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
- C12Q1/18—Testing for antimicrobial activity of a material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses a fungus collector structure, and aims to solve the defects of inconvenient clamping of a pump pipe on the fungus collector and poor heat dissipation effect of a pump head. The invention comprises a bacteria collector operating table arranged on the upper surface of an isolator operating table, and a host arranged on the lower surface of the isolator operating table, wherein the front part of the bacteria collector operating table is low, the rear part of the bacteria collector operating table is high, a rotating wheel is arranged on the bacteria collector operating table, a rotating motor is arranged in the host, the rotating motor is in transmission connection with the rotating wheel, a plurality of rotatable pump heads are uniformly distributed on the edge of the rotating wheel, a movable block capable of sliding towards the rotating wheel is arranged on the bacteria collector operating table, a left clamping groove, an arc-shaped extrusion peristaltic groove and a right clamping groove are sequentially arranged on the movable block towards the rotating wheel side, a pump pipe is clamped between the left clamping groove and the right clamping groove, the pump pipe is attached to the extrusion peristaltic groove wall, and the pump heads slide through the pump pipe to extrude the pump pipe. The fungus collector with the structure greatly facilitates clamping operation of the pump pipe, and the pump head has good heat dissipation effect.
Description
Technical Field
The invention relates to a sterile testing device, in particular to a bacteria collecting instrument structure.
Background
Sterility testing is one of the most important detection items of medicines and biological products, and a medicine production enterprise needs to detect each batch of medicines on the market so as to prove that the medicines accord with the regulation of pharmacopoeia and the like. According to the requirements of related standards, such as the United states pharmacopoeia and Chinese pharmacopoeia, the sterility test is required to be completed under the condition of sterility, so whether the test environment is sterile or not is an important factor influencing the sterility test result, and the sterility state of the environment when the sterility test is maintained is the basic requirement which is required to be achieved for carrying out the test. During the aseptic test, generally go on the collection fungus appearance, peristaltic pump is installed in test environment as the device commonly used, but the clamping of pump line is inconvenient in the in-service use, and pump head radiating effect is not good. The built-in bacteria collector integrated in the isolator in the market is installed on the isolator table-board in a horizontal mode, the bending angle of the wrist is too large when an operator takes the glove to take and put the pump pipe, the operator is tired or cannot be installed in place easily due to frequent installation, and the design does not accord with the ergonomic principle. Secondly, in the long-time operation process of the built-in bacteria collector, the problem that the temperature of the test liquid is seriously increased due to the fact that the pump head extrudes the pump pipe to generate heat but can not dissipate heat in time occurs.
Disclosure of Invention
The invention solves two problems: firstly, the pump pipe on the bacteria collecting instrument is inconvenient to clamp, and the heat dissipation effect of the pump head is poor; secondly, the working pressure of the pump pipe can be regulated only by regulating the rotating speed of the motor, and the regulating mode is single. The invention provides a fungus collecting instrument structure, which is greatly convenient for clamping operation of a pump pipe and has good heat dissipation effect of a pump head. The pump line operating pressure not only can be adjusted through adjusting the motor rotating speed, but also can be adjusted through adjusting the radial position of the pump head, or the two are combined to be adjusted, and the adjusting mode is various.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a fungus collection appearance structure, including installing the fungus collection appearance operation panel on isolator operation panel upper surface, install the host computer on isolator operation panel lower surface, fungus collection appearance operation panel front low back high slope sets up, install the runner on the fungus collection appearance operation panel, install the rotating motor in the host computer, the runner is connected in the rotation motor transmission, a plurality of rotatable pump head is installed to runner edge equipartition, but install the gliding movable block of runner orientation on the fungus collection appearance operation panel, be equipped with left clamp groove on the movable block in proper order towards the runner side, curved extrusion peristaltic cell, right clamp groove, left clamp groove and right clamp are the clamping pump line between the groove, the pump line laminating is on extrusion peristaltic cell wall, the pump head slides the pump line and extrudes the pump line.
The bacteria collector operation panel is installed on the isolator operation panel, and the host computer is arranged in isolator operation panel below, avoids bacteria collector occupation isolator operation panel great space. The front part of the operating platform of the bacteria collecting instrument is low, the rear part of the operating platform is high, the inclined arrangement is more in line with the design of human engineering, and the pump pipe is convenient to take and put. During operation, both hands can easily straighten the pump pipe, install the pump pipe between left clamp groove and the right clamp groove on the movable block, then the movable block slides to the runner direction to make the pump pipe press from both sides tightly between pump head and extrusion peristaltic cell, convenient operation. The pump head is rotatably arranged at the edge of the rotating wheel, and the rotating wheel rotates to enable the pump head to slide through the pump pipe to squeeze the pump pipe, so that liquid in the pump pipe is conveyed. The pump head is rotatable to be set up, and frictional force reduces, is favorable to reducing the heat production, and the pump head outer wall round all can dispel the heat simultaneously, and heat radiating area is big, and the radiating effect is good. The fungus collector structure greatly facilitates clamping operation of the pump pipe, and the pump head has good heat dissipation effect.
Preferably, a slide rail is arranged on the bacteria collecting instrument operation table and close to two ends of the movable block, a slide block is arranged on the slide rail, the slide block is fixedly connected to the movable block, a driving motor is arranged in the host machine and is in transmission connection with a driving wheel, an eccentric shaft is arranged at the edge of the driving wheel, a guide groove is formed in the movable block, and the eccentric shaft is inserted into the guide groove.
When the movable block slides, the driving motor works to drive the driving wheel to rotate, so that the eccentric shaft moves towards the direction close to the rotating wheel while rotating along with the driving wheel, and the movable block is pushed to slide. The two sides of the moving block synchronously slide on the slide rail, and before the pump pipe is clamped, gaps between the two ends of the moving block and the rotating wheel are large, so that the pump pipe is greatly convenient to install and operate.
Preferably, the bacteria collector operation table is provided with a C-shaped protection bulge, one end of the protection bulge is provided with a weighing type pressure sensor, and the contact end of the weighing type pressure sensor is attached to the outer wall of the pump pipe. The protection bulge plays a good protection role on the rotating wheel, and safety accidents caused by the fact that two hands are taken into the rotating wheel by the pump head are effectively avoided. The weighing type pressure sensor is convenient for controlling the working pressure in the pump pipe and is convenient for timely adjusting the working pressure in the pump pipe.
Preferably, the locating shafts are fixedly arranged at the corresponding positions of the rotating wheel and the pump head, the pump head is cylindrical, the upper locating sleeve and the lower locating sleeve are arranged in the pump head, the upper locating sleeve and the lower locating sleeve are movably sleeved on the locating shafts, the upper end of the upper locating sleeve extends out of the pump head and is close to the upper end of the rotating wheel, and the lower end of the lower locating sleeve extends out of the pump head and is close to the lower end of the rotating wheel. The pump head sleeve rotates on the positioning shaft, and the rotation is stable and reliable. The upper positioning sleeve and the lower positioning sleeve increase the stability of the connection between the pump head and the positioning shaft.
In another scheme, the hinge shafts are connected to the corresponding positions of the rotating wheels and the pump heads, the lower ends of the hinge shafts are hinged to the rotating wheels, the pump heads are rotatably sleeved on the hinge shafts, guide posts are arranged at the upper ends of the rotating wheels, lifting blocks capable of being lifted are sleeved on the guide posts, lifting nuts are connected to the guide posts in a threaded mode, abutting springs are installed between the lifting blocks and the rotating wheels, the lifting blocks are abutted to the lower ends of the lifting nuts, a plurality of connecting rods which are arranged in one-to-one correspondence with the hinge shafts are hinged to the lifting blocks, hinge grooves are formed in the upper ends of the hinge shafts, and the connecting rods are correspondingly hinged to the hinge grooves.
The pump head sleeve rotates on the hinge shaft, the lifting nut is rotated, the up-down position of the lifting block is adjusted, the lifting block moves up and down and pushes the hinge shaft to move radially inwards or radially outwards through the connecting rod, the radial position of the pump head is adjusted, the distance between the pump head and the extrusion peristaltic groove is adjusted, and the closer the distance is, the larger the amplitude of the pump head extrusion pump pipe is, and the larger the working pressure in the pump pipe is; the farther the distance, the smaller the amplitude of the pump head squeezing the pump tube, and the lower the working pressure within the pump tube. In this way, the operating pressure in the pump line is regulated. The pump line operating pressure not only can be adjusted through adjusting the motor rotating speed, but also can be adjusted through adjusting the radial position of the pump head, or the two are combined to be adjusted, and the adjusting mode is various.
Preferably, a plurality of grooves parallel to the axis are uniformly distributed on the outer wall of the pump head, cutting is arranged in the grooves, the outer side face of the cutting and the outer wall of the pump head form a cylindrical outer side face together, a tensioning spring is arranged between the cutting and the bottom face of the grooves, cams are arranged at the upper end and the lower end of the pump head, a plurality of arc-shaped protrusions are arranged on the outer wall of the cam in a one-to-one correspondence mode, the distance from one end of each arc-shaped protrusion outer wall to the center of the cam is gradually increased from one end to the other end, the upper end and the lower end of the cutting are respectively abutted to the arc-shaped protrusion outer walls of the upper cam and the lower cam, and a locking pin is connected between the cams and the pump head.
In the initial state, under the combined action of the tensioning spring and the arc-shaped bulge, the outer edge of the cutting is flush with the edge of the groove, and at the moment, the outer side surface of the cutting and the outer wall of the pump head form a cylindrical outer side surface together. When the working pressure of the pump pipe needs to be adjusted, the cam is rotated, the arc-shaped protrusions slide away from the cutting, the cutting retracts into the groove under the action of the tensioning spring, so that the opening of the groove is exposed, the contact area between the pump head and the pump pipe in the rotation process is reduced, and the working pressure of the pump pipe is reduced.
Preferably, the upper opening position of the side surface of the groove is provided with a limiting protrusion, the cross section of the cutting is T-shaped, and the cutting is abutted on the protrusion. This kind of structure sets up and carries out spacingly to the cutting, ensures that the cutting lateral surface can constitute cylindrical lateral surface together with the pump head outer wall.
Preferably, the center of the rotating wheel is provided with a mounting hole, and the output shaft of the rotating motor is inserted in the mounting hole and is in fastening connection with the rotating wheel. The rotating wheel is connected with the output shaft of the rotating motor conveniently and reliably.
In another scheme, the upper end of the rotating wheel is connected with the mounting seat, the end part of the output shaft of the rotating motor is connected with the locking seat, the center of the rotating wheel is provided with a mounting hole, the locking seat is inserted into the mounting hole, two mounting grooves are uniformly distributed on the outer wall of the locking seat, a locking block is mounted in the mounting groove, one end of the locking block is hinged on the locking seat, a positioning spring is connected between the other end of the locking block and the locking seat, the outer wall of the locking block is of an arc structure matched with the mounting hole, the inner wall of the mounting hole is correspondingly provided with the locking groove, the locking block is inserted into the locking groove, a quick-release inserted rod is mounted in the mounting seat, a reset spring is mounted between the quick-release inserted rod and the mounting seat, a conical head is arranged at the lower end of the quick-release inserted rod, a jack communicated with the mounting groove is arranged on the locking seat, and the conical head can be downwards inserted into the jack and abutted onto the locking block to enable the locking block to be separated from the locking block and retracted into the mounting groove.
When the rotating wheel is installed, the quick-release inserted link is pressed downwards, the conical head at the lower end of the quick-release inserted link is abutted to the locking block, the locking block is pushed to rotate, the locking block is separated from the locking groove and is retracted into the installation groove, the rotating wheel can be completely sleeved on the locking seat at the moment, then the quick-release inserted link is loosened, the quick-release inserted link returns upwards under the action of the reset spring, the locking block is reversely rotated and inserted into the locking groove under the action of the reset spring, the rotating wheel is fastened and connected with the locking seat, and mutual rotation between the rotating wheel and the locking seat is prevented. The rotating wheel is fast to disassemble and assemble, and convenient to disassemble, clean, sterilize and disinfect.
Compared with the prior art, the invention has the beneficial effects that: (1) The fungus collector with the structure greatly facilitates clamping operation of the pump pipe, and the heat dissipation effect of the pump head is good; (2) The pump line operating pressure not only can be adjusted through adjusting the motor rotating speed, but also can be adjusted through adjusting the radial position of the pump head, or the two are combined to be adjusted, and the adjusting mode is various.
Drawings
FIG. 1 is a schematic view of a construction of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic illustration of a wheel connection of embodiment 1 of the present invention;
FIG. 5 is a cross-sectional view of a rotor connection of embodiment 2 of the present invention;
FIG. 6 is an exploded view of the wheel connection of embodiment 2 of the present invention;
FIG. 7 is a cross-sectional view of a rotor connection of embodiment 3 of the present invention;
FIG. 8 is a top view of the pump head connection of embodiment 3 of the present invention;
in the figure: 1. the isolator operation table, 2, the bacteria collector operation table, 3, the host, 4, the rotating wheel, 5, the rotating motor, 6, the mounting hole, 7, the pump head, 8, the moving block, 9, the left clamping groove, 10, the extrusion peristaltic groove, 11, the right clamping groove, 12, the pump pipe, 13, the slide rail, 14, the slide block, 15, the driving motor, 16, the driving wheel, 17, the eccentric shaft, 18, the guide groove, 19, the avoidance groove, 20, the protection plate, 21, the protection bulge, 22, the weighing type pressure sensor, 23, the positioning shaft, 24, the upper positioning sleeve, 25, the lower positioning sleeve, 26, the opening ring, 27 and the mounting seat, 28, a locking seat, 29, an installation groove, 30, a locking block, 31, a positioning spring, 32, a locking groove, 33, a quick-release inserting rod, 34, a return spring, 35, a conical head, 36, an inserting hole, 37, a pressing head, 38, a limiting head, 39, a limiting reaming hole, 40, a hinge shaft, 41, a guide post, 42, a lifting block, 43, a lifting nut, 44, an abutting spring, 45, a connecting rod, 46, a hinge groove, 47, an avoidance chute, 48, a groove, 49, a cutting, 50, a cam, 51, an arc-shaped protrusion, 52, a locking pin, 53, a locking hole, 54, a limiting protrusion, 55 and a supporting rod.
Detailed Description
The technical scheme of the invention is further specifically described by the following specific embodiments with reference to the accompanying drawings:
example 1: a fungus collector structure (see fig. 1-4) comprises a fungus collector operation table 2 arranged on the upper surface of an isolator operation table 1, a host computer 3 arranged on the lower surface of the isolator operation table, a rotating wheel 4 arranged on the fungus collector operation table in a low front-back high-inclination mode, a rotating motor 5 arranged in the host computer and connected with the rotating wheel in a transmission mode, and a mounting hole 6 arranged in the center of the rotating wheel, wherein an output shaft of the rotating motor is inserted in the mounting hole and is fixedly connected with the rotating wheel. A plurality of rotatable pump heads 7 are uniformly distributed on the edge of the rotating wheel, a movable block 8 capable of sliding towards the rotating wheel is arranged on an operating platform of the bacteria collecting instrument, a left clamping groove 9, an arc-shaped extrusion peristaltic groove 10 and a right clamping groove 11 are sequentially arranged on the movable block towards the rotating wheel side, a pump pipe 12 is clamped between the left clamping groove and the right clamping groove, the pump pipe is attached to the wall of the extrusion peristaltic groove, and the pump heads slide through the pump pipe to extrude the pump pipe.
The two ends of the operating platform of the bacteria collecting instrument, which are close to the movable block, are respectively provided with a sliding rail 13, the sliding rails are provided with a sliding block 14, the sliding blocks are fixedly connected to the movable block, a driving motor 15 is arranged in the host machine and is in transmission connection with a driving wheel 16, the edge of the driving wheel is provided with an eccentric shaft 17, the movable block is provided with a guide groove 18, and the eccentric shaft is inserted into the guide groove. The drive wheel is close to fungus collection appearance operation panel lower surface setting, drive wheel lower extreme coaxial coupling drive gear, installs the driving gear on the driving motor output shaft, and driving gear meshing transmission, suit sealing washer on the drive wheel outer wall are equipped with one section arc on the fungus collection appearance operation panel and dodge groove 19, and the eccentric shaft runs through dodge the groove and can follow and dodge the groove and slide. The upper surface of the movable block is provided with a protection plate 20. The bacterial collector operation panel is last to be equipped with the bellied 21 of protection of C shape, and the bellied one end of protection is installed weighing type pressure sensor 22, and weighing type pressure sensor's contact end laminating is on the pump line outer wall. When the weighing type pressure sensor detects that the working pressure in the pump pipe is too large or too small, the rotating speed of the rotating motor is timely adjusted, so that the rotating speed of the rotating wheel is adjusted, and the adjustment of the working pressure in the pump pipe is realized.
The section of the rotating wheel is in an I-shaped structure, and the outer wall of the pump head extends out of the edge of the rotating wheel. The corresponding positions of the rotating wheel and the pump head are fixedly provided with a positioning shaft 23, the pump head is cylindrical, an upper positioning sleeve 24 and a lower positioning sleeve 25 are arranged in the pump head, the upper positioning sleeve and the lower positioning sleeve are movably sleeved on the positioning shaft, the upper end of the upper positioning sleeve extends out of the pump head and is close to the upper end of the rotating wheel, and the lower end of the lower positioning sleeve extends out of the pump head and is close to the lower end of the rotating wheel. The lower end position of the upper positioning sleeve and the upper end position of the lower positioning sleeve in the pump head are provided with the split ring 26. The lower end of the upper positioning sleeve is attached to the split ring, and the upper end of the lower positioning sleeve is attached to the other split ring.
The bacteria collector operation panel is installed on the isolator operation panel, and the host computer is arranged in isolator operation panel below, avoids bacteria collector occupation isolator operation panel great space. The front part of the operating platform of the bacteria collecting instrument is low, the rear part of the operating platform is high, the inclined arrangement is more in line with the design of human engineering, and the pump pipe is convenient to take and put. During operation, both hands can easily straighten the pump pipe, install the pump pipe between left clamp groove and the right clamp groove on the movable block, then the movable block slides to the runner direction to make the pump pipe press from both sides tightly between pump head and extrusion peristaltic cell, convenient operation. The pump head is rotatably arranged at the edge of the rotating wheel, and the rotating wheel rotates to enable the pump head to slide through the pump pipe to squeeze the pump pipe, so that liquid in the pump pipe is conveyed. The pump head is rotatable to be set up, and frictional force reduces, is favorable to reducing the heat production, and the pump head outer wall round all can dispel the heat simultaneously, and heat radiating area is big, and the radiating effect is good. The fungus collector structure greatly facilitates clamping operation of the pump pipe, and the pump head has good heat dissipation effect.
Example 2: the structure of the bacteria collector (see fig. 5 and 6) is similar to that of the embodiment 1, and the main difference is that the upper end of the rotating wheel is connected with the mounting seat 27, the end part of the output shaft of the rotating motor is connected with the locking seat 28, the center of the rotating wheel is provided with a mounting hole, the locking seat is inserted into the mounting hole, two mounting grooves 29 are uniformly distributed on the outer wall of the locking seat, a locking block 30 is arranged in the mounting groove, one end of the locking block is hinged on the locking seat, a positioning spring 31 is connected between the other end of the locking block and the locking seat, the outer wall of the locking block is of an arc structure matched with the mounting hole, a locking groove 32 is correspondingly arranged on the inner wall of the mounting hole and corresponds to the locking block, the locking block is inserted into the locking groove, a quick-release inserted rod 33 is arranged in the mounting seat, a reset spring 34 is arranged between the quick-release inserted rod and the mounting seat, a conical head 35 is arranged at the lower end of the locking seat, a jack 36 communicated with the mounting groove is arranged on the locking seat, and the conical head can be downwardly inserted into the jack and abutted onto the locking block to enable the locking block to be separated from the locking block and retracted into the mounting groove. The upper end of the quick-release inserted link is connected with a pressing head 37, the upper end of the reset spring is abutted on the pressing head, and the pressing head extends out of the upper end of the mounting seat. The locking seat is of an inverted T-shaped structure, a waist-shaped limiting head 38 is arranged at the lower end of the locking seat, a limiting reaming 39 matched with the limiting head is arranged at the lower end of the mounting hole, and the limiting head is arranged in the limiting reaming. Other structures are the same as those of embodiment 1.
When the rotating wheel is installed, the quick-release inserted link is pressed downwards, the conical head at the lower end of the quick-release inserted link is abutted to the locking block, the locking block is pushed to rotate, the locking block is separated from the locking groove and is retracted into the installation groove, the rotating wheel can be completely sleeved on the locking seat at the moment, then the quick-release inserted link is loosened, the quick-release inserted link returns upwards under the action of the reset spring, the locking block is reversely rotated and inserted into the locking groove under the action of the reset spring, the rotating wheel is fastened and connected with the locking seat, and mutual rotation between the rotating wheel and the locking seat is prevented. The rotating wheel is fast to disassemble and assemble, and convenient to disassemble, clean, sterilize and disinfect.
Example 3: the structure of the bacteria collecting instrument (see fig. 7 and 8) is similar to that of the embodiment 1, and the main difference is that in the embodiment, the corresponding positions of the rotating wheel and the pump head are respectively connected with a hinge shaft 40, the lower end of the hinge shaft is hinged on the rotating wheel, the pump head is rotationally sleeved on the hinge shaft, a guide post 41 is arranged at the central position of the upper end of the rotating wheel, a lifting block 42 which can be lifted is sleeved on the guide post, a lifting nut 43 is in threaded connection with the guide post, a butt spring 44 is arranged between the lifting block and the rotating wheel, the butt spring is sleeved on the guide post, the lifting block is butt-jointed at the lower end of the lifting nut, a plurality of connecting rods 45 which are arranged in one-to-one correspondence with the hinge shafts are hinged on the lifting block, and a hinge groove 46 is arranged at the upper end of the hinge shaft and the connecting rods are correspondingly hinged together with the hinge groove. The section of the rotating wheel is of an I-shaped structure, the outer wall of the pump head extends out of the edge of the rotating wheel, the corresponding positions of the upper end and the lower end of the rotating wheel and the upper end and the lower end of the hinge shaft are respectively provided with a radially arranged avoiding sliding groove 47, and the upper part and the lower part of the hinge shaft are respectively slidably inserted in the two avoiding sliding grooves. The pump head sleeve rotates on the hinge shaft, the lifting nut is rotated, the up-down position of the lifting block is adjusted, the lifting block moves up and down and pushes the hinge shaft to move radially inwards or radially outwards through the connecting rod, the radial position of the pump head is adjusted, the distance between the pump head and the extrusion peristaltic groove is adjusted, and the closer the distance is, the larger the amplitude of the pump head extrusion pump pipe is, and the larger the working pressure in the pump pipe is; the farther the distance, the smaller the amplitude of the pump head squeezing the pump tube, and the lower the working pressure within the pump tube. In this way, the operating pressure in the pump line is regulated.
A plurality of grooves 48 parallel to the axis are uniformly distributed on the outer wall of the pump head, cutting 49 is installed in the grooves, the curvature of the outer side surface of the cutting is the same as that of the outer wall of the pump head, the outer side surface of the cutting and the outer wall of the pump head form a cylindrical outer side surface together, tension springs are installed between the cutting and the bottom surface of the grooves, cams 50 are installed at the upper end and the lower end of the pump head, a plurality of arc-shaped protrusions 51 are arranged on the outer wall of the cams in a one-to-one correspondence with the cutting, the distance from the outer wall of the arc-shaped protrusions to the center of the cams is gradually increased from one end to the other end, the upper end and the lower end of the cutting are respectively abutted to the outer wall of the arc-shaped protrusions of the upper cam and the lower cam, locking pins 52 are connected between the cams and the pump head, a plurality of locking holes 53 are uniformly distributed at the upper end of the pump head, and the lower end of each locking pin is connected in any locking hole. The upper opening position of the side face of the groove is provided with a limiting protrusion 54, the cross section of the cutting is T-shaped, and the cutting is abutted on the limiting protrusion. The upper and lower ends of the cutting are connected with a propping rod 55, and the end parts of the propping rod are propped against the outer wall of the arc-shaped bulge. In the initial state, the abutting rod abuts against one end of the arc-shaped bulge, after the cam rotates, the arc-shaped bulge slides over the abutting rod, so that one end of the arc-shaped bulge, which is lower, abuts against the abutting rod, and the cutting is retracted inwards in the radial direction under the action of the tensioning spring. When the working pressure of the pump pipe needs to be adjusted, the cam is rotated, the arc-shaped protrusions slide away from the cutting, the cutting retracts into the groove under the action of the tensioning spring, so that the opening of the groove is exposed, the contact area between the pump head and the pump pipe in the rotation process is reduced, and the working pressure of the pump pipe is reduced. Other structures are the same as those of embodiment 1.
The pump line operating pressure not only can be adjusted through adjusting motor rotational speed, can adjust through adjusting the radial position of pump head moreover to and adjust through rotating the radial position of cam regulation cutting, the regulation mode is various.
The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (7)
1. The utility model provides a fungus collector structure, characterized by, including installing the fungus collector operation panel on isolator operation panel upper surface, install the host computer on isolator operation panel lower surface, fungus collector operation panel front low back high slope sets up, install the runner on the fungus collector operation panel, install the rotation motor in the host computer, the rotation motor transmission connects the runner, the runner edge equipartition is installed a plurality of rotatable pump head, install the movable block that can slide towards the runner direction on the fungus collector operation panel, be equipped with left clamp groove on the movable block in proper order towards the runner side, curved extrusion peristaltic rush groove, right clamp groove, left clamp groove and right clamp groove clamping pump pipe between clamping pump pipe, the pump pipe laminating is on the extrusion peristaltic rush groove wall, the pump head slides the pump pipe and extrudes the pump pipe; the installation seat is connected to the runner upper end, rotate motor output shaft end connection locking seat, the runner center is equipped with the mounting hole, the locking seat inserts in the mounting hole, the equipartition is equipped with two mounting grooves on the locking seat outer wall, install the locking piece in the mounting groove, locking piece one end articulates on the locking seat, be connected positioning spring between locking piece other end and the locking seat, the locking piece outer wall is the arc structure with the mounting hole adaptation, be equipped with the locking groove on the mounting hole inner wall with the locking piece corresponds, the locking piece inserts in the locking groove, install quick-release inserted link in the mounting seat, install reset spring between quick-release inserted link and the mounting seat, quick-release inserted link lower extreme is equipped with the conical head, be equipped with on the locking seat with the jack of mounting groove intercommunication, the conical head can downwards insert in the jack and support to make locking piece and locking groove separation and retract to the mounting groove in.
2. The bacteria collecting instrument structure according to claim 1, wherein a slide rail is arranged on the bacteria collecting instrument operating table and is close to two ends of the movable block, a sliding block is arranged on the slide rail, the sliding block is fixedly connected to the movable block, a driving motor is arranged in the host machine and is in transmission connection with a driving wheel, an eccentric shaft is arranged at the edge of the driving wheel, a guide groove is arranged on the movable block, and the eccentric shaft is inserted in the guide groove.
3. The bacteria collecting instrument structure according to claim 1, wherein the bacteria collecting instrument operating table is provided with a C-shaped protection bulge, one end of the protection bulge is provided with a weighing type pressure sensor, and the contact end of the weighing type pressure sensor is attached to the outer wall of the pump pipe.
4. The bacteria collecting instrument structure according to claim 1, wherein the rotating wheel is provided with a positioning shaft in a fastening manner at the corresponding position of the pump head, the pump head is cylindrical, an upper positioning sleeve and a lower positioning sleeve are arranged in the pump head, the upper positioning sleeve and the lower positioning sleeve are movably sleeved on the positioning shaft, the upper end of the upper positioning sleeve extends out of the pump head and is close to the upper end of the rotating wheel, and the lower end of the lower positioning sleeve extends out of the pump head and is close to the lower end of the rotating wheel.
5. A bacteria collecting instrument according to any one of claims 1 to 3, wherein the rotary wheel is connected with a hinge shaft at the corresponding position of the pump head, the lower end of the hinge shaft is hinged on the rotary wheel, the pump head is rotatably sleeved on the hinge shaft, a guide post is arranged at the upper end of the rotary wheel, a lifting block capable of lifting is sleeved on the guide post, a lifting nut is connected with the guide post in a threaded manner, an abutting spring is arranged between the lifting block and the rotary wheel, the lifting block abuts against the lower end of the lifting nut, a plurality of connecting rods which are arranged in one-to-one correspondence with the hinge shaft are hinged on the lifting block, a hinge groove is arranged at the upper end of the hinge shaft, and the connecting rods are correspondingly hinged with the hinge groove.
6. The bacteria collecting instrument structure according to claim 5, wherein a plurality of grooves parallel to the axis are uniformly distributed on the outer wall of the pump head, cutting bars are installed in the grooves, the outer side surface of each cutting bar and the outer wall of the pump head form a cylindrical outer side surface together, tension springs are installed between the cutting bars and the bottom surface of the grooves, cams are installed at the upper end and the lower end of the pump head, a plurality of arc-shaped protrusions are arranged on the outer wall of each cam in a one-to-one correspondence manner, the distance from the outer wall of each arc-shaped protrusion to the center of each cam is gradually increased from one end to the other end, the upper end and the lower end of each cutting bar are respectively abutted to the outer wall of each arc-shaped protrusion of the upper cam and the lower cam, and locking pins are connected between the cams and the pump head.
7. The bacteria collecting structure of claim 6, wherein the opening on the side of the groove is provided with a limit protrusion, the cross section of the cutting is T-shaped, and the cutting is abutted against the protrusion.
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| CN201911242928.XA CN111254068B (en) | 2019-12-06 | 2019-12-06 | Fungus collecting instrument structure |
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| CN201911242928.XA CN111254068B (en) | 2019-12-06 | 2019-12-06 | Fungus collecting instrument structure |
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| CN111254068A CN111254068A (en) | 2020-06-09 |
| CN111254068B true CN111254068B (en) | 2023-07-25 |
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| CN112280666B (en) | 2020-10-19 | 2022-03-18 | 江苏苏净集团有限公司 | Control method and sterilization method and application of intelligent bacteria collection instrument |
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| GB2237816A (en) * | 1989-11-09 | 1991-05-15 | Cambridge Isolation Tech | Isolator transfer containers |
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