CN216473226U

CN216473226U - High-efficient dry state microorganism penetration test appearance that hinders

Info

Publication number: CN216473226U
Application number: CN202122130117.XU
Authority: CN
Inventors: 李秀婷; 王文庆; 师广波; 李潇; 郝树彬
Original assignee: Shandong Institute Of Medical Device And Drug Packaging Inspection
Current assignee: Shandong Institute Of Medical Device And Drug Packaging Inspection
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-05-10
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the technical field of microbial penetration tests, in particular to a high-efficiency dry-state-resistant microbial penetration tester, which comprises a support, a support plate, support legs, a marble plate, a steel plate, a frequency sensor and a pneumatic ball type oscillator, wherein the support plate is fixed above the support, four corner ends above the support plate are connected with the marble plate and the steel plate through the support legs, the steel plate is provided with holes matched with the bottom surface of the lower part of a container, the pneumatic ball type oscillator and the frequency sensor are arranged at the side edge of the marble plate, the side surface of the lower part of the container is provided with a narrow opening, a culture dish is placed into the lower part of the container through the narrow opening, the narrow opening is provided with a narrow opening door, the upper part of the container can be inserted into the lower part of the container, the upper part of each container is independently provided with a quick clamp, a metal piston and a container fixing seat are arranged on a fixing block of the quick clamp, and the single container is fixed through a vertical quick clamp, the degree of freedom of a control experiment is improved, a better fixing effect is achieved, and the test efficiency is improved.

Description

High-efficient dry state microorganism penetration test appearance that hinders

Technical Field

The utility model relates to the technical field of microbial penetration tests, in particular to an efficient dry-resistant microbial penetration tester.

Background

Numerous examples show that bacteria can penetrate barrier materials with dry organic or inorganic particles, for example, bacterial-laden dander can penetrate surgical gowns or cleaning garments, and for example, bacterial-laden particles can penetrate packaging materials during shelf life. YY/T0506 provides a test method including an experimental apparatus for determining the resistance of a material to bacterial penetration on dry particles in the size range of human dander.

The test was carried out on test pieces fixed in containers, 5 containers carrying Bacillus subtilis talc and 1 container containing non-contaminated talc as controls, a petri dish was inserted at the bottom of each container at a short distance from the bottom of the test piece, the apparatus supporting the containers was oscillated by an oscillator, all the talc penetrating the test piece dropped onto the petri dish, the petri dish was removed and incubated, and the number of growing colonies was counted.

The test equipment disclosed in the prior art standard is that the oscillator is installed on the marble slab, the container is installed on the steel sheet and then fixed on the marble slab, the test piece needs to be placed on the mouth of each container during the test, then the container is fixed by a cover, finally the piston is used for pushing down, the test piece is ensured to be in certain looseness, finally the container mouth and the container bottom narrow mouth are sealed by an adhesive tape, finally the installed container is fixed on the marble slab, then the container is placed above the fixed plate and is screwed up and fixed by bolts, and the problem existing in the prior art is that: 1. the container opening and the narrow opening need to be sealed by the adhesive tape for each test, thereby occupying unnecessary time and wasting resources; 2. after the container is installed on the marble plate, the container needs to be fixed by a fixing plate, and the container is unreliable in fixation due to the deformation or improper installation of the fixing plate, so that the oscillation effect is not good, and the inaccuracy of test data is caused; 3. the existing test is to oscillate 6 containers simultaneously, and with the continuous improvement of test steps and details, the test can be performed on a single container, two containers or four containers, and the single container cannot be independently fixed according to the existing equipment, and the single container cannot be well fixed by using a fixing plate and the fixing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a high-efficiency dry-resistant microorganism penetration tester.

In order to solve the above problems, the present invention provides the following technical solutions: an efficient dry-resistant microorganism penetration tester, comprising: the culture dish comprises a support, support plates, support legs, a marble plate, a steel plate, a frequency sensor and a pneumatic ball type oscillator, wherein the support plates are fixed above the support, four corner ends above the support plates are connected with the marble plate and the steel plate through the support legs, the marble plate is tightly attached to the steel plate, holes matched with the bottom surface of the lower part of a container are formed in the steel plate, after the container is installed, the bottom of the lower part of the container penetrates through the steel plate to be in contact with the upper surface of the marble plate, the pneumatic ball type oscillator and the frequency sensor are installed on the side edge of the marble plate, the pneumatic ball type oscillator is connected with an external air source, the frequency sensor can collect vibration frequency and feed the vibration frequency back to an external controller so as to control the vibration frequency of the pneumatic ball type oscillator, a narrow opening is formed in the side surface of the lower part of the container, a culture dish is placed into the lower part of the container through the narrow opening, and a narrow opening door is arranged at the narrow opening, inside container upper portion can insert to the container lower part, container upper portion top was provided with the container mouth, and every container upper portion all is provided with quick anchor clamps alone, is provided with metal piston and container fixing base on quick anchor clamps's the fixed block.

Furthermore, the middle of two liang of container lower parts is provided with the axis of rotation, axis of rotation and marble slab rotate to be connected, the top of axis of rotation be provided with the anchor clamps backup pad, quick anchor clamps symmetry set up in the anchor clamps backup pad and quick anchor clamps the fixed block rotatable to directly over the container mouth.

Furthermore, the rapid clamp comprises a base, a shifting rod, a pressing block, a pressing rod and a fixing block, the shifting rod is vertically hinged to one side of the base, one end of the pressing rod is horizontally hinged to the upper portion of the base, the pressing block is arranged inside the shifting rod, one end of the pressing block is hinged to the upper portion of the shifting rod, the other end of the pressing block is hinged to the middle of the pressing rod, and the fixing block is arranged at the other end of the pressing rod.

Further, the metal piston comprises a piston cylinder and an outer brim, the upper end of the piston cylinder is fixed at the lower end of the fixing block through threaded connection, the outer brim is arranged above the piston cylinder, and the inner diameter of the outer brim is matched with the outer diameter of the container opening.

Furthermore, the piston cylinder is a telescopic rod.

Preferably, a sealing ring is arranged on the inner wall of the outer eave.

Further, the container fixing seat comprises a cylinder and a fixing ring, the upper portion of the cylinder is fixed at the lower end of the fixing block through threaded connection, the fixing ring is arranged at the bottom of the cylinder, and the size of the fixing ring is larger than the outer diameter of the container opening.

Furthermore, the slit door is arranged at the slit through a hinge, a sealing ring is arranged on the inner wall of the slit door, and a magnet is fixedly arranged at the end part of the slit door.

Furthermore, the rotating shaft is driven to rotate by the steering engine, and the quick clamp is driven to move by the cylinder driving rod.

Further, the support setting in the biological safety cabinet, the top of biological safety cabinet be provided with the ultraviolet lamp, the lateral part of biological safety cabinet be provided with the air exit, the dirty air in the biological safety cabinet is discharged after the air exit filters.

Compared with the prior art, the utility model has the beneficial effects that:

1. the vertical type rapid clamp is used for fixing a single container, the degree of freedom of a contrast experiment is improved, the rapid clamp is used for rapid fixing when a single or double single group experiment is carried out, and the experiment efficiency is improved.

2. But set up open and shut slot door in slot department to and set up the metal piston on quick anchor clamps, after the material condition of container test is prepared for, close slot door and quick anchor clamps and press from both sides tightly, make the metal piston insert in the container mouth, outer eaves and the cooperation of piston mouth outer wall play sealed effect, replaced and used the sticky tape to paste container mouth and slot, reduce the waste of resource, avoid extravagant unnecessary time, improved test efficiency.

3. The upper part of the single container and the lower part of the container are clamped tightly through the fixing ring of the container fixing seat, and the fixing plate has a better fixing effect, so that the sealing effect is better, and the safety of experimenters is ensured.

4. The steering engine controls the rotating shaft to rotate to a clamping station, the air cylinder drives the quick clamp to clamp, and after the upper part and the lower part of the container are installed, clamping and sealing are automatically controlled, so that the automation degree is improved, the labor force of workers is reduced, and the test efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a schematic structural diagram of a use state of the present invention;

FIG. 4 is a right side view of the overall construction of the present invention;

FIG. 5 is a schematic view of a container according to the present invention;

FIG. 6 is a schematic view of the quick clamp of the present invention;

fig. 7 is a schematic view of the use state of the quick clamp of the utility model.

In the figure: 1. a support; 2. a support plate; 3. supporting legs; 4. a marble plate; 5. a steel plate; 6. a frequency sensor; 7. a pneumatic ball oscillator; 8. a lower portion of the container; 81. a slit door; 9. an upper portion of the container; 91. a container mouth; 10. a container holder; 101. a cylinder; 102. a fixing ring; 11. a rapid clamp; 111. a base; 112. a deflector rod; 113. briquetting; 114. a pressure lever; 115. a fixed block; 12. a clamp support plate; 13. a rotating shaft; 14. a metal piston; 141, a solvent; a piston cylinder; 142. and an outer brim.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1

Example one

The utility model provides the following technical scheme: an efficient dry-resistant microorganism penetration tester, comprising: the vibration control device comprises a support 1, a support plate 2, support legs 3, a marble plate 4, a steel plate 5, a frequency sensor 6 and a pneumatic ball type oscillator 7, wherein the support plate 2 is fixed above the support 1, four corner ends above the support plate 2 are connected with the marble plate 4 and the steel plate 5 through the support legs 3, the marble plate 4 is tightly attached to the steel plate 5, a hole matched with the bottom surface of a container lower part 8 is formed in the steel plate 5, after the vibration control device is installed, the bottom of the container lower part 8 penetrates through the steel plate 5 to be in contact with the upper surface of the marble plate 4, the pneumatic ball type oscillator 7 and the frequency sensor 6 are installed at the side edge of the marble plate 4, the pneumatic ball type oscillator 7 is connected with an external air source, the frequency sensor 6 can collect vibration frequency and feed back to the external controller so as to control the vibration frequency of the pneumatic ball type oscillator 7, and a narrow opening is formed in the side surface of the container lower part 8, inside the culture dish was put into container lower part 8 through the throat, throat department be provided with slot door 81, container upper portion 9 can insert to container lower part 8 inside, container upper portion 9 top is provided with container mouth 91, every container upper portion 9 all is provided with quick anchor clamps 11 alone, is provided with metal piston 14 and container fixing base 10 on quick anchor clamps 11's the fixed block 115, further, support 1 set up in the biological safety cabinet, the top of biological safety cabinet be provided with the bactericidal lamp, the lateral part of biological safety cabinet be provided with the air exit. The fixing of a single container is realized through the vertical type quick clamp, the degree of freedom of a contrast experiment is improved, when a single or double single group experiment is carried out, the quick clamp 11 is used for quick fixing, and the experiment efficiency is improved.

Two liang of container lower parts 8's centre is provided with axis of rotation 13, axis of rotation 13 rotate with marble slab 4 and be connected, the top of axis of rotation 13 be provided with anchor clamps backup pad 12, quick anchor clamps 11 symmetry set up on anchor clamps backup pad 12 and quick anchor clamps 11 fixed block 115 can rotate to directly over the container mouth 91.

The rapid clamp 11 is a vertical rapid clamp and comprises a base 111, a shifting rod 112, a pressing block 113, a pressing rod 114 and a fixing block 115, wherein the shifting rod 112 is vertically hinged with one side of the base 111, one end of the pressing rod 114 is horizontally hinged above the base 111, the pressing block 113 is arranged inside the shifting rod 112, one end of the pressing block 113 is hinged with the upper part of the shifting rod 112, the other end of the pressing block 113 is hinged with the middle part of the pressing rod 114, and the other end of the pressing rod 114 is provided with the fixing block 115.

The metal piston 14 comprises a piston cylinder 141 and an outer brim 142, the upper end of the piston cylinder 141 is fixed at the lower end of the fixing block 115 through threaded connection, the outer brim 142 is arranged above the piston cylinder 141, and the inner diameter of the outer brim 142 is matched with the outer diameter of the container opening 91. Further, the piston cylinder 141 is an expansion rod. And a sealing ring is arranged on the inner wall of the outer brim 142. The container fixing seat 10 comprises a cylinder 101 and a fixing ring 102, the upper portion of the cylinder 101 is fixed at the lower end of a fixing block 115 through threaded connection, the fixing ring 102 is arranged at the bottom of the cylinder 101, the size of the fixing ring 102 is larger than the outer diameter of the container opening 91, the upper portion 9 of a single container clamps the upper portion 9 of the container and the lower portion 8 of the container through the fixing ring 102 of the container fixing seat 10, and the fixing effect is better compared with that of a fixing plate.

Narrow mouth door 81 passes through the hinge setting in narrow mouth department, narrow mouth door 81 inner wall on be provided with the sealing washer, the end fixing of narrow mouth door 81 be provided with magnet, but set up open closed narrow mouth door 81 in narrow mouth department to and set up metal piston 14 on quick anchor clamps 11, after the material condition of container test is prepared for finishing, close narrow mouth door 81 and quick anchor clamps 11 and press from both sides tightly, make metal piston 14 insert in container mouth 91, outer eaves 142 and the cooperation of piston mouth outer wall play sealed effect, replaced and used the sticky tape to paste container mouth 91 and narrow mouth, reduce the waste of resource, avoid extravagant unnecessary time, improved test efficiency.

Example two

The rotating shaft 13 is driven to rotate by a steering engine, and the quick clamp 11 drives the driving lever 112 to move by an air cylinder. Steering engine control axis of rotation 13 changes and rotates to pressing from both sides tight station, and the cylinder drives the clamp tight of quick anchor clamps 11, and after installing container upper portion 9 and container lower part 8, automatic control presss from both sides tightly and seals, has improved degree of automation, has reduced the use of staff's manpower, has also improved test efficiency simultaneously.

According to the test steps of the prior art standard and the working principle of the combination of the tester of the patent: when the tester of the patent in the biological safety cabinet is used, firstly, the container is assembled, a test piece is placed above the lower part 8 of the container on a test bed, the test piece is 200mm x 200mm of surgical gown or cleaning clothes, then the upper part 9 of the container is inserted into the lower part 8 of the container, the upper part 9 of the container carries the test piece and is inserted into the lower part 8 of the container, then a culture dish is placed in the lower part 8 of the container from a narrow opening, the narrow opening door 81 is closed, the narrow opening door 81 is of a magnetic suction type, a sealing ring arranged in the narrow opening door 81 ensures the sealing performance after closing, then a combination of the upper part 9 of the container and the lower part 8 of the container is placed on a marble plate 4, the bottom edge of the lower part 8 of the container is matched with a hole of a steel plate 5, the bottom surface of the lower part 8 of the container is contacted with the surface of the marble plate 4, then a clamp supporting plate 12 of a clamp is rotated, a container fixing seat 10 and a metal piston 14 on a fixing block 115 of a quick clamp 11 are positioned right above the opening 91 of the container, after the clamp supporting plate 12 is rotated to a corresponding station, the rotating shaft 13 and the marble plate 4 are self-locked and fixed, the driving lever 112 of the rapid clamp 11 is firstly pulled, as shown in fig. 3, the pressing rod 114 of the rapid clamp 11 is changed from upward inclination to horizontal, the fixing block 115 drives the metal piston 14 to be inserted into the container opening 91, the metal piston 14 adjusts the relaxation degree of the internal test piece, the piston cylinder 141 is in an extension state at the moment, then the driving lever 112 is pulled to return to an original state, the metal piston 14 leaves the container opening 91, then the piston cylinder 141 is contracted, the piston cylinder 141 is prevented from influencing the vibration of the talcum powder after the rapid clamp 11 is clamped, then the talcum powder is poured into the container opening 91, the talcum powder falls onto the test piece, then the driving lever 112 is pulled forcefully again to enable the rapid clamp 11 to be in a clamping state, at the moment, the upper container part 9 and the lower container part 8 are clamped and fixed by the fixing ring 102 of the container fixing seat 10, then, the test can be started by starting the pneumatic ball type oscillator 7, the vibration frequency is collected through the frequency sensor 6, and the frequency of the pneumatic ball type oscillator 7 is controlled through the controller.

According to the working principle described above, the steering engine drives the rotating shaft 13 to rotate, and the quick clamp 11 drives the shift lever 112 to move through the air cylinder. The steering engine control axis of rotation 13 rotates to the tight station of clamp, and the cylinder drives the tight of motion control rapid jig 11 of rapid jig 11 driving lever 112, and after installing container upper portion 9 and container lower part 8, automatic control presss from both sides tight and seals, has improved degree of automation, has reduced the use of staff's manpower, has also improved test efficiency simultaneously.

It will be evident to those skilled in the art that the utility model 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 utility model 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

1. The utility model provides a high-efficient dry state microorganism penetration test appearance that hinders which characterized in that: including support (1), extension board (2), supporting legs (3), marble board (4), steel sheet (5), frequency sensor (6) and pneumatic ball formula oscillator (7), support (1) top be fixed with extension board (2), four angle ends of extension board (2) top pass through supporting legs (3) and be connected with marble board (4) and steel sheet (5), marble board (4) and steel sheet (5) closely laminate, steel sheet (5) on be provided with container lower part (8) bottom surface complex hole, the installation back, container lower part (8) bottom pass steel sheet (5) and marble board (4) upper surface contact, pneumatic ball formula oscillator (7) and frequency sensor (6) install the side department at marble board (4), pneumatic ball formula oscillator (7) are connected with outside air supply, thereby frequency sensor (6) can gather vibration frequency and thereby control pneumatic ball formula oscillator feedback to outside controller The vibration frequency of ware (7), container lower part (8) side be provided with the slit, inside the culture dish put into container lower part (8) through the slit, slit department be provided with slit door (81), inside container upper portion (9) can be inserted to container lower part (8), container upper portion (9) top is provided with container mouth (91), every container upper portion (9) all is provided with fast anchor clamps (11) alone, be provided with metal piston (14) and container fixing base (10) on fixed block (115) of fast anchor clamps (11).

2. The high efficiency dry-resistant microorganism penetration tester according to claim 1, wherein: two liang of container lower parts (8) the centre be provided with axis of rotation (13), axis of rotation (13) rotate with marble slab (4) and be connected, the top of axis of rotation (13) be provided with anchor clamps backup pad (12), quick anchor clamps (11) symmetry set up on anchor clamps backup pad (12) and fixed block (115) of quick anchor clamps (11) can rotate to directly over container mouth (91).

3. The high efficiency dry-resistant microorganism penetration tester according to claim 2, wherein: quick anchor clamps (11) for vertical quick anchor clamps include base (111), driving lever (112), briquetting (113), depression bar (114) and fixed block (115), driving lever (112) and base (111) one side vertical hinged, the one end of depression bar (114) and base (111) top level articulated, driving lever (112) inside be provided with briquetting (113), briquetting (113) one end articulated with driving lever (112) upper portion, briquetting (113) other end and the middle part of depression bar (114) articulated, depression bar (114) other end be provided with fixed block (115).

4. The high efficiency dry-resistant microorganism penetration tester according to claim 3, wherein: the metal piston (14) comprises a piston cylinder (141) and an outer brim (142), the upper end of the piston cylinder (141) is fixed at the lower end of a fixing block (115) through threaded connection, the outer brim (142) is arranged above the piston cylinder (141), and the inner diameter of the outer brim (142) is matched with the outer diameter of a container opening (91).

5. The high efficiency dry-resistant microorganism penetration tester according to claim 4, wherein: the piston cylinder (141) is a telescopic rod.

6. The high efficiency dry-resistant microorganism penetration tester according to claim 5, wherein: and a sealing ring is arranged on the inner wall of the outer brim (142).

7. The high efficiency dry-resistant microorganism penetration tester according to claim 6, wherein: the container fixing seat (10) comprises a cylinder (101) and a fixing ring (102), the upper part of the cylinder (101) is fixed at the lower end of a fixing block (115) through threaded connection, the fixing ring (102) is arranged at the bottom of the cylinder (101), and the size of the fixing ring (102) is larger than the outer diameter of a container opening (91).

8. The high efficiency dry-resistant microorganism penetration tester according to claim 7, wherein: the narrow-mouth door (81) is arranged at the narrow-mouth part through a hinge, a sealing ring is arranged on the inner wall of the narrow-mouth door (81), and a magnet is fixedly arranged at the end part of the narrow-mouth door (81).

9. The high efficiency dry-resistant microorganism penetration tester according to claim 2, wherein: the rotating shaft (13) is driven to rotate by the steering engine, and the rapid clamp (11) is driven by the air cylinder to drive the shifting rod (112) to move.

10. A high efficiency dry state microbial penetration tester according to any one of claims 1-8, wherein: the support (1) is arranged in the biological safety cabinet, the top of the biological safety cabinet is provided with a bactericidal lamp, and the side part of the biological safety cabinet is provided with an air outlet.