Dry heat sterilization biological indicator resistance instrument

Abstract

The utility model discloses a dry heat sterilization biological indicator resistance instrument, which comprises a shell, and is characterized in that a platform is arranged in the shell, a base, a lifting mechanism and a testing mechanism are arranged on the platform, a limiting part is arranged on the base, a testing chamber is formed between the base and the limiting part, and the testing mechanism is arranged in the testing chamber. The testing mechanism comprises a testing table which is locally and movably arranged in the testing chamber, the testing table can be sealed with the limiting part so as to limit the testing chamber to be communicated with the atmosphere, and the dry heat sterilization biological indicator resistance instrument is convenient to improve, good in sealing performance, accurate in testing data, convenient to operate and simple in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of resistance instrument, concretely is a dry heat sterilization biological indicator resistance instrument. BACKGROUND

[0002] Dry heat sterilization biological indicator resistance instrument is a kind of high-precision detection equipment, mainly for the resistance detection of biological indicator;This equipment simulates sterilization process, high-temperature treatment is carried out to biological indicator, and then through culture detection and reflects the biological indicator D value condition;As an important sterilization mode, dry heat sterilization usually uses 160 DEG C, 170 DEG C, 180 DEG C high temperature to sterilize, and the existing dry heat sterilization biological indicator resistance instrument generally uses the input sterilization gas or other sterilization substance in test chamber to make the sterilization gas concentration in test chamber reach peak value again, and then the test bench and the test agent to be detected on the test bench are placed in test chamber, in this process, the door airflow is easy to enter test chamber and affect test effect, the test chamber and test bench on the traditional dry heat sterilization biological indicator resistance instrument generally cannot form airtight, cannot avoid the door airflow to enter test chamber and affect test effect when the test agent to be detected is placed in test chamber, and test data fluctuation is larger. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a dry heat sterilization biological indicator resistance instrument to solve the problem that the test bench cannot form airtight with the test chamber after moving and the door airflow is easy to affect the accuracy of test data.

[0004] To achieve the above object, the utility model provides the following technical scheme: including shell, the platform is set in the shell, the platform is set with base, lifting mechanism and test mechanism, the base is set with limit part, the test chamber is formed between the base and limit part, the test mechanism includes the test bench that is partially movably arranged in test chamber, the test bench can be airtight with limit part to limit the communication of test chamber and atmosphere.

[0005] The test bench on the equipment can form airtight with the limit part, the test chamber is used to simulate environment, the test bench is used to place the test agent to be detected, the lifting mechanism is used to lift the test bench, and the airtightly arranged test bench and limit part can make test data more accurate and reduce the influence of external substances on the environment in test chamber.

[0006] As a further improvement of the utility model, the lifting mechanism includes a mechanical arm and a hydraulic rod, the mechanical arm is provided with a hydraulic cavity corresponding to the position of the hydraulic rod, one end of the hydraulic rod is arranged in the hydraulic cavity, and the other end is connected with the test bench.

[0007] The above technical scheme can produce the effects that: the hydraulic cavity and the hydraulic rod are arranged in cooperation, the test table is lifted through the hydraulic mode, the lifting speed is faster, time and labor are saved, and external substances can be prevented from entering the test chamber.

[0008] As a further improvement of the utility model, a rod seat is arranged between the hydraulic rod and the test table, positioning rods are arranged on the rod seat corresponding to the positions on both sides of the hydraulic rod, the positioning rods are slidably connected with the mechanical arm, and a positioning cavity is arranged on the mechanical arm.

[0009] The above technical scheme can produce the effects that: the rod seat is arranged between the hydraulic rod and the test table, and the positioning rods are arranged on the rod seat corresponding to the positions on both sides of the hydraulic rod, so that accurate positioning and stable support are realized; the positioning rods are slidably connected with the mechanical arm, so that the mechanical arm can be flexibly adjusted in position; and the positioning cavity arranged on the mechanical arm provides a stable matching space for the positioning rods, so that the entire test mechanism is accurate, reliable and stable.

[0010] As a further improvement of the utility model, a positioning end head is arranged on the positioning rod corresponding to the position of the positioning cavity, and the outer peripheral wall of the positioning end head abuts against the inner peripheral wall of the positioning cavity.

[0011] The above technical scheme can produce the effects that: the positioning end head is arranged and the outer peripheral wall of the positioning end head abuts against the inner peripheral wall of the positioning cavity, so that the positioning rod can slide more stably.

[0012] As a further improvement of the utility model, an upper cover is arranged on the upper end of the hydraulic cavity, a lower cover is arranged on the lower end of the hydraulic cavity, a sliding head is arranged on the hydraulic rod corresponding to the position of the hydraulic cavity, and the upper cover, the lower cover and the inner peripheral wall of the hydraulic cavity cooperate to limit the sliding head.

[0013] The above technical scheme can produce the effects that: the structure is arranged, so that the hydraulic rod can be prevented from being separated from the hydraulic cavity during reciprocating motion, deformation or damage of the internal structure of the hydraulic cavity is avoided, the service life of the equipment is prolonged, and the reliability and durability of the entire system are improved.

[0014] As a further improvement of the utility model, the base is a U-shaped base, the limiting parts are two L-shaped limiting plates arranged on the side walls on both sides of the U-shaped base, the shorter side plate body of the L-shaped limiting plate is connected with the outer peripheral wall of the side of the U-shaped base corresponding thereto, the longer side plate body of the L-shaped limiting plate extends towards the test chamber, a sealing block is arranged on the L-shaped limiting plate corresponding to the position of the test table, the lower end surface of the upper part of the test table can abut against the upper end surface of the sealing block, and the upper end surface of the lower end of the test table can abut against the lower end surface of the sealing block.

[0015] The above technical scheme can produce the effects that: the U-shaped base and the L-shaped limiting plate are connected in cooperation, and the sealing block is arranged to seal with the test table, which not only improves the sealing performance of the test chamber, but also prevents the leakage of the gas in the test chamber during the test, and ensures the stability and reliability of the test table in the vertical direction, so that the test data is more accurate and reliable, and the structure is simple and convenient to operate.

[0016] As a further improvement of the utility model, the test table is provided with a storage rack for placing articles.

[0017] The above technical scheme can produce the effects that: the storage rack is arranged to place articles more conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the utility model;

[0019] Figure 2 It is a sectional view of the utility model in use state;

[0020] Figure 3 It is a sectional view of the utility model in non-use state;

[0021] Figure 4 It is a sectional view of the utility model lifting mechanism. DETAILED DESCRIPTION

[0022] The embodiment of the utility model as shown in the figure, to achieve the above object, the utility model provides a dry heat sterilization biological indicator resistance instrument, in order to achieve the above object, the utility model provides the following technical scheme: including shell 1, the platform 2 is arranged in the shell 1, the base 3, lifting mechanism 4 and test mechanism 5 are arranged on the platform 2, the limiting part is arranged on the base 3, the test chamber 51 is formed between the base 3 and limiting part, the test mechanism 5 includes the test table 52 that is partially movably arranged in test chamber 51, the test table 52 can be sealed with the limiting part, the test table 52 on the equipment can form airtight with the limiting part, the test chamber 51 is used to simulate environment, the test table 52 is used to place the test agent to be detected, the lifting mechanism 4 is used to lift the test table 52, the test table 52 and the limiting part of airtight setting can make test data more accurate, reduce the influence of external material on the environment in test chamber 51, in the scheme, when the test table 52 is moved to the top end position of test chamber 51, the test table 52 can form airtight with test chamber 51, when the test table 52 is moved to the bottom surface position of test chamber 51, the test table 52 can be placed in test chamber 51 and form airtight with test chamber 51, when the test table 52 does not reach the top end position or bottom surface position of test chamber 51, the airtight state of test table 52 and test chamber 51 can be set according to the demand of the person skilled in the art;

[0023] The lifting mechanism 4 comprises a mechanical arm 41 and a hydraulic rod 42, the hydraulic rod 42 is arranged in the hydraulic cavity 43 corresponding to the position of the mechanical arm 41, and one end of the hydraulic rod 42 is arranged in the hydraulic cavity 43 and the other end is connected with the test table 52; the hydraulic cavity 43 is arranged to cooperate with the hydraulic rod 42, the test table 52 is lifted by hydraulic mode, the lifting speed is faster, time and labor are saved, and the external substances entering the test chamber 51 are reduced;

[0024] The hydraulic rod 42 and the test table 52 are provided with a rod seat 45, the rod seat 45 is provided with a positioning rod 44 corresponding to the positions of two sides of the hydraulic rod 42, the positioning rod 44 is slidably connected with the mechanical arm 41, and the mechanical arm 41 is provided with a positioning cavity 46; the rod seat 45 is arranged between the hydraulic rod 42 and the test table 52, and the positioning rod 44 is arranged on the rod seat 45 corresponding to the positions of two sides of the hydraulic rod 42, so that accurate positioning and stable support are realized;

[0025] The positioning rod 44 is slidably connected with the mechanical arm 41, so that the mechanical arm 41 can be flexibly adjusted in position, and the positioning cavity 46 arranged on the mechanical arm 41 provides a stable matching space for the positioning rod 44, so that the whole test mechanism 5 is accurate, reliable and stable; the positioning rod 44 is provided with a positioning end head 441 corresponding to the position of the positioning cavity 46, and the outer peripheral wall of the positioning end head 441 abuts against the inner peripheral wall of the positioning cavity 46; the positioning end head 441 is arranged and the outer peripheral wall abuts against the inner peripheral wall of the positioning cavity 46, so that the positioning rod 44 slides more stably;

[0026] The upper end of the hydraulic cavity 43 is provided with an upper cover 47, the lower end is provided with a lower cover 48, the hydraulic rod 42 is provided with a sliding head 431 corresponding to the position of the hydraulic cavity 43, the upper cover 47, the lower cover 48 and the inner peripheral wall of the hydraulic cavity 43 cooperate to limit the sliding head 431; the structure is arranged to effectively prevent the hydraulic rod 42 from being separated from the hydraulic cavity 43 during reciprocating motion, avoid deformation or damage to the internal structure of the hydraulic cavity 43, thereby prolonging the service life of the equipment and improving the reliability and durability of the whole system;

[0027] The base 3 is a U-shaped base 3, the limiting parts are two L-shaped limiting plates 6 respectively arranged on the two side walls of the U-shaped base 3, the shorter side plate body of the L-shaped limiting plate 6 is connected with the corresponding side outer wall of the U-shaped base 3, the longer side plate body of the L-shaped limiting plate 6 extends towards the test chamber 51, the L-shaped limiting plate 6 is provided with a sealing block 61 corresponding to the position of the test table 52, the lower end surface of the upper part of the test table 52 can abut against the upper end surface of the sealing block 61, and the upper end surface of the lower end of the test table 52 can abut against the lower end surface of the sealing block 61, the U-shaped base 3 and the L-shaped limiting plate 6 are connected in cooperation, and the sealing block 61 is arranged for sealing with the test table 52, so that the sealing performance of the test chamber 51 is improved, the leakage of gas in the test chamber 51 during the test is prevented, the stability and reliability of the test table 52 in the vertical direction are ensured, the test data is more accurate and reliable, and the structure is simple and convenient to operate.

[0028] The test table 52 is provided with a storage rack 7 for placing articles, and the storage rack 7 can be arranged to place articles more conveniently.

[0029] In the implementation of the scheme, the person skilled in the art first lifts the test table 52 in the test chamber 51 upwards by the hydraulic rod 42 on the mechanical arm 41 until the upper end surface of the lower end of the test table 52, that is, the upper end surface of the bottom surface of the test table 52, is sealed with the sealing block 61, then the person skilled in the art can operate the instrument to make the gas in the test chamber 51 reach the peak value so that the concentration can be kept in the test range, then the person skilled in the art orderly places the test reagent to be tested on the storage rack 7 of the test table 52, and then operates the hydraulic rod 42 to press the test table 52 into the test chamber 51 and make the upper end surface of the sealing block 61 sealed with the lower end surface of the upper end of the test chamber 51, so that the test chamber 51 forms a sealed space, avoids the overflow of the internal gas, and also avoids the external gas from entering the test chamber 51 to affect the accuracy of the data.

[0030] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be noted that, for the person skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A dry heat sterilization biological indicator resistance meter comprising a housing, characterized in that, The platform is arranged in the shell, the base, the lifting mechanism and the testing mechanism are arranged on the platform, the limiting part is arranged on the base, the testing chamber is formed between the base and the limiting part, the testing mechanism comprises the testing table which is arranged in the testing chamber movably, and the testing table can be closed with the limiting part to limit the testing chamber from communicating with the atmosphere.

2. The dry heat sterilization biological indicator resistance meter of claim 1, wherein, The lifting mechanism comprises the mechanical arm and the hydraulic rod, the hydraulic cavity is arranged on the mechanical arm corresponding to the position of the hydraulic rod, one end of the hydraulic rod is arranged in the hydraulic cavity, and the other end is connected with the testing table.

3. The dry heat sterilization biological indicator resistance meter of claim 2, wherein, The rod seat is arranged between the hydraulic rod and the testing table, the positioning rods are arranged on the rod seat corresponding to the positions of two sides of the hydraulic rod, the positioning rods are slidably connected with the mechanical arm, and the positioning cavity is arranged on the mechanical arm.

4. The dry heat sterilization biological indicator resistance meter of claim 3, wherein, The positioning end head is arranged on the positioning rod corresponding to the position of the positioning cavity, and the outer circumferential wall of the positioning end head is abutted against the inner circumferential wall of the positioning cavity.

5. The dry heat sterilization biological indicator resistance meter of claim 2, wherein, The upper end of the hydraulic cavity is provided with the upper cover, the lower end is provided with the lower cover, the sliding head is arranged on the hydraulic rod corresponding to the position of the hydraulic cavity, and the upper cover, the lower cover and the inner circumferential wall of the hydraulic cavity are combined to limit the sliding head.

6. The dry heat sterilization biological indicator resistance meter of claim 1, wherein, The base is a U-shaped base, the limiting parts are two L-shaped limiting plates which are arranged on the side walls on two sides of the U-shaped base respectively, the shorter side plate body of the L-shaped limiting plate is connected with the outer circumferential wall of one side of the U-shaped base corresponding to the L-shaped limiting plate, the longer side plate body of the L-shaped limiting plate extends towards the testing chamber, the sealing block is arranged on the L-shaped limiting plate corresponding to the position of the testing table, the lower end surface of the upper part of the testing table can be abutted against the upper end surface of the sealing block, and the upper end surface of the lower end of the testing table can be abutted against the lower end surface of the sealing block.

7. The dry heat sterilization biological indicator resistance meter according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that, The testing table is provided with the article placing rack for placing articles.

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