Machine body of plasma sterilizer

Abstract

The utility model discloses a machine body of a plasma sterilizer. The machine body comprises a shell cylinder; the base assembly comprises a base, an air inlet filter screen detachably arranged on the bottom face of the base and rolling wheels fixed to the lower portion of the base, an air inlet is formed in the base, and the air inlet filter screen covers the air inlet; the top cover assembly comprises a top shell and an exhaust filter screen arranged on the top shell, the bottom surface of the top shell is provided with an air outlet communicated with the inner cavity of the shell barrel, the inner bottom wall of the top shell is provided with an air outlet pipe which directly faces the air outlet and extends upwards, the side wall of the top shell is provided with an exhaust port, and the exhaust filter screen covers the exhaust port. According to the machine body of the plasma disinfection machine, the exhaust port is formed in the side wall of the top shell, and the exhaust port is provided with the air outlet filter screen, so that dust prevention is achieved, the air outlet pipe extends upwards, water flow is prevented from entering the top shell through the exhaust port and then entering the shell cylinder through the air outlet, water prevention is achieved, the air inlet filter screen is detachably connected with the base, and cleaning is convenient; and efficient and normal operation of components in the shell cylinder is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sterilizer shell, especially to a kind of machine body of plasma sterilizer. BACKGROUND

[0002] The machine body of plasma sterilizer mainly includes a shell, which is usually made of durable materials such as metal or high-strength plastic, to protect the internal components from external influences and ensure the safety and aesthetics of the device.

[0003] Due to the influence of gravity, air always tends to flow from high to low in nature. Therefore, the air inlet is usually arranged at the bottom or lower part of the plasma sterilizer body, and the air outlet is arranged at the top or upper part of the plasma sterilizer body. This allows the device to easily inhale air from a lower position and diffuse the sterilized air upward or sideways after sterilization, forming a good air circulation. However, if water or dust enters the device during use, it may cause operational failure. Although a filter screen can prevent external dust from entering the plasma sterilizer at the air inlet at the lower or bottom part, the amount of dust accumulated on the filter screen increases over time, affecting the ventilation and sterilization efficiency of the plasma sterilizer.

[0004] Therefore, it is necessary to improve the machine body of the plasma sterilizer in the prior art. SUMMARY

[0005] The utility model aims to overcome the defects in the prior art and provide a machine body of plasma sterilizer that is waterproof, dustproof, and easy to clean the air inlet to ensure ventilation and sterilization efficiency.

[0006] To achieve the above technical effects, the utility model provides a machine body of plasma sterilizer, characterized by comprising:

[0007] A shell cylinder extends in the vertical direction, and a control panel mounting opening is provided on the shell cylinder.

[0008] A base assembly includes a base fixedly covering the bottom end of the shell cylinder, an air inlet filter screen detachably arranged on the bottom surface of the base, and a roller fixedly arranged below the base. The base is provided with an air inlet communicating with the inner cavity of the shell cylinder and facing the air inlet filter screen, and the air inlet filter screen covers the air inlet.

[0009] A top cover assembly comprises a top shell fixedly covering the top end of the shell cylinder and an exhaust filter screen arranged on the side wall of the top shell, the bottom surface of the top shell is provided with an air outlet communicating with the inner cavity of the shell cylinder, the inner bottom wall of the top shell is provided with an air outlet pipe opposite to the air outlet and extending upward, the side wall of the top shell is provided with an exhaust port, and the exhaust filter screen covers the exhaust port.

[0010] Preferably, in order to ensure uniform exhaust and facilitate assembly of the top shell, the top shell comprises a top-open lower shell barrel and an upper shell cover arranged opposite to the upper shell cover, the lower shell barrel and the upper shell cover form the exhaust port, and the exhaust filter screen is fixed between the lower shell barrel and the upper shell cover.

[0011] Preferably, in order to prevent water flow into the air outlet pipe, a flow dividing plate is fixed on the circumferential inner wall of the upper shell cover, the flow dividing plate is provided with a communication hole and a flow dividing through hole, the circumferential outer edge of the air outlet pipe is sealingly connected with the circumferential inner wall of the communication hole and the top end is spaced from the inner top wall of the upper shell cover, and the lower shell barrel is provided with a sealing unit located below the flow dividing through hole, the sealing unit is used to prevent water flow entering the lower shell barrel from passing through the flow dividing through hole.

[0012] Preferably, in order to achieve waterproofing, the sealing unit comprises a sealing member and a float fixed below the sealing member, and the float slides on the lower shell barrel in the vertical direction.

[0013] Preferably, in order to increase the waterproof sealing performance, the curved surface where the circumferential inner wall of the flow dividing through hole is located is a conical surface, the inner diameter of the top end of the flow dividing through hole is smaller than the inner diameter of the bottom end, and the circumferential outer edge of the sealing member is matched with the circumferential inner wall of the flow dividing through hole.

[0014] Preferably, in order to further increase the waterproof sealing performance, the sealing member comprises a rigid sealing cover and a sealing sleeve arranged between the outer side wall of the sealing cover and the inner side wall of the flow dividing through hole and being elastic.

[0015] Preferably, in order to reduce the accumulation of water flow below the flow dividing hole, the air outlet pipe is located in the middle of the inner bottom wall of the lower shell barrel, the inner bottom wall of the lower shell barrel is in the shape of a truncated cone, and the top end size of the inner bottom wall of the lower shell barrel is smaller than the top end size of the inner bottom wall of the lower shell barrel.

[0016] Preferably, in order to realize detachable connection of the air inlet filter screen, the bottom surface of the base is provided with a positioning member and an axial horizontal fixing sleeve, the positioning member is inserted and matched with the air inlet filter screen in the vertical direction, the air inlet filter screen is provided with a movable sleeve, and the fixing sleeve is inserted and matched with the movable sleeve through a latch.

[0017] Preferably, in order to guarantee the connecting strength of the air inlet filter screen and the base, the plug pin comprises a threaded section and a smooth section coaxially connected, the smooth section is detachably arranged at the inner side of the movable sleeve and is in sealing connection with the inner wall of the movable sleeve, and the threaded section is in threaded connection with the fixed sleeve.

[0018] Preferably, in order to prevent the plug pin from being separated from the fixed sleeve, one end of the threaded section adjacent to the smooth section is provided with a limiting disc, and the other end is provided with an operating disc, and the outer diameters of the operating disc and the limiting disc are both greater than the inner diameter of the fixed sleeve.

[0019] In conclusion, compared with the prior art, the body of the plasma disinfection machine has the advantages that the exhaust port is arranged on the side wall of the top cover, the air outlet filter screen is arranged at the exhaust port, dust prevention is realized, the air outlet pipe extends upward, water flow is prevented from entering the top cover through the exhaust port and then entering the shell cylinder through the air outlet, water prevention is realized, the air inlet filter screen is detachably connected with the base, cleaning is facilitated, and efficient and normal operation of the internal components of the shell cylinder is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the utility model;

[0021] Figure 2 is a structural schematic view of another view of the utility model;

[0022] Figure 3 is a sectional structural schematic view of the utility model;

[0023] Figure 4 is an enlarged view of A of Figure 3 ;

[0024] Figure 5 is an enlarged view of B of Figure 3 ;

[0025] Figure 6 is a structural schematic view of the top cover assembly of the utility model;

[0026] Figure 7 is an exploded schematic view of Figure 6 ;

[0027] Figure 8 is a structural schematic view of the base assembly of the utility model;

[0028] Figure 9 is an exploded schematic view of Figure 8 ;

[0029] In the figure: 1, shell cylinder; 11, control panel mounting port; 2, base assembly; 21, base; 211, air inlet; 212, positioning piece; 213, fixed sleeve; 22, air inlet filter screen; 221, movable sleeve; 23, roller; 24, bolt; 241, threaded section; 242, smooth section; 243, limiting disc; 244, operation disc; 25, sealing gasket; 3, air outlet filter screen; 4, lower shell barrel; 41, air outlet; 42, air outlet pipe; 43, guide vane; 5, upper shell cover; 51, distribution plate; 511, communication hole; 512, distribution through hole; 52, sealing unit; 521, floating block; 522, supporting rod; 523, sealing cover; 524, sealing sleeve. DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model are further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot be used to limit the protection scope of the utility model.

[0031] As Figures 1-9 shown, the utility model discloses a plasma disinfection machine's organism, comprising:

[0032] Shell cylinder 1, shell cylinder 1 extends along the vertical direction, and shell cylinder 1 is provided with control panel mounting port 11;

[0033] Base assembly 2, base assembly 2 includes the base 21 of fixed covering at the bottom end of shell cylinder 1, the air inlet filter screen 22 of detachable setting at the bottom surface of base 21 and the roller 23 of fixing below base 21, and the air inlet 211 of communicating with the inner chamber of shell cylinder 1 and being opposite to the air inlet filter screen 22 is set on the base 21, and the air inlet filter screen 22 covers the air inlet 211.

[0034] Top cover assembly, top cover assembly includes the top shell of fixed covering at the top end of shell cylinder 1 and the air outlet filter screen 3 of setting on the side wall of top shell, and the air outlet 41 of communicating with the inner chamber of shell cylinder 1 is set on the bottom surface of top shell, and the air outlet pipe 42 of extending upwards is set on the inner bottom wall of top shell and is opposite to the air outlet 41, and the air outlet is set on the side wall of top shell, and the air outlet filter screen 3 covers the air outlet.

[0035] The utility model discloses a plasma disinfection machine's organism mainly by shell cylinder 1, base assembly 2 and top cover assembly connection formation, base assembly 2, shell cylinder 1 and top cover assembly from below and upwards in turn connect and enclose and form the inner chamber of plasma disinfection machine, and it is convenient to place the component for air disinfection purification treatment in the inner chamber;Shell cylinder 1 is the cylindrical structure along the vertical direction extension, and its cross section is square, and shell cylinder 1 is set up control panel mounting port 11, and it is convenient to install control panel on shell cylinder 1, and is connected with the disinfection component in the inner chamber to control the operation of disinfection machine.

[0036] In the base assembly 2, the roller 23 supports the base 21, the air inlet 211 is provided for the air below to enter the shell 1 for sterilization treatment, the air inlet 211 below covers the air inlet filter screen 22, which can preliminarily filter the air to avoid dust impurities from entering the inside of the sterilization component to cause blockage, the air inlet filter screen 22 is detachably connected below the base 21, which facilitates the removal of the air inlet filter screen 22 after the equipment is operated for a period of time, and the air inlet filter screen 22 is cleaned after the attached dust is flushed, and then it is installed below the base 21, so as to ensure the air inlet efficiency and sterilization efficiency of the sterilizer.

[0037] The top cover assembly covers the top of the shell 1, and the top cover assembly includes a hollow top shell, and an air outlet 41 is formed on the bottom wall of the top shell, and an exhaust port is formed on the side wall, the exhaust port covers the exhaust filter screen 3, dust prevention is realized through the exhaust filter screen 3, after the sterilization treatment of the equipment, the sterilized air is discharged through the air outlet 41, introduced into the top shell, and then the sterilized air in the top shell is discharged to the outside through the exhaust filter screen 3 on the side wall; the air outlet 41 is provided with an upwardly extending air outlet pipe 42, which can prevent water from flowing along the inner bottom wall of the top shell after the exhaust filter screen 3 is waterlogged, and entering the shell 1 through the air outlet 41, so that water prevention is realized, and the safe and reliable stable operation of the plasma sterilizer can be ensured.

[0038] In order to facilitate assembly and ensure that the discharged air can be uniformly diffused to the outside, in the utility model, the top shell includes a lower shell barrel 4 with a top opening and an upper shell cover 5 arranged directly above the lower shell barrel 4, and the lower shell barrel 4 and the upper shell cover 5 form an exhaust port, and the exhaust filter screen 3 is fixed between the lower shell barrel 4 and the upper shell cover 5, wherein the lower shell barrel 4 is fixed to the top of the shell 1, and the air outlet 41 and the air outlet pipe 42 are arranged on the inner bottom wall of the lower shell barrel 4.

[0039] Further improvement is that the circumferential inner wall of the upper shell cover 5 is fixed with a flow dividing plate 51, the flow dividing plate 51 is provided with a communication hole 511 and a flow dividing through hole 512, the circumferential outer edge of the air outlet pipe 42 is sealingly connected with the circumferential inner wall of the communication hole 511 and the top end is spaced from the inner top wall of the upper shell cover 5, and the lower shell barrel 4 is provided with a sealing unit 52 located directly below the flow dividing through hole 512, and the sealing unit 52 is used for preventing the water flow entering the lower shell barrel 4 from passing through the flow dividing through hole 512.

[0040] Specifically, the shunt plate 51 is horizontally fixed to the circumferential inner wall of the upper shell 5 and located above the exhaust filter screen 3, and a plurality of shunt through holes 512 are uniformly distributed on the shunt plate 51, and the sealing unit 52 is arranged one by one below the shunt through holes 512. The sealing unit 52 can prevent water from accumulating after flowing into the top shell through the exhaust filter screen 3, causing the water level to rise and enter the air outlet pipe 42. When the water level rises, the sealing unit 52 can automatically seal the shunt through hole 512 to prevent water from flowing through the shunt through hole 512 and entering the air outlet pipe 42. When the equipment is running normally, the shunt through hole 512 is opened, and the uniformly distributed shunt through hole 512 allows the sterilized air to be discharged from the air outlet pipe 42, then discharged downward through the uniformly distributed shunt through hole 512, and finally uniformly diffused to the four sides of the top shell through the exhaust filter screen 3.

[0041] Further improvement is that the sealing unit 52 includes a sealing member and a floating block 521 fixed below the sealing member, the floating block 521 slides on the lower shell barrel 4 in the vertical direction; the curved surface of the circumferential inner wall of the shunt through hole 512 is a conical surface, and the inner diameter of the top opening of the shunt through hole 512 is smaller than that of the bottom opening, and the circumferential outer edge of the sealing member is matched with the circumferential inner wall of the shunt through hole; the sealing member includes a rigid sealing cover 523 and a sealing sleeve 524 arranged between the outer sidewall of the sealing cover 523 and the inner sidewall of the shunt through hole 512 and being elastic.

[0042] Specifically, the sealing unit 52 includes a floating block 521, a supporting rod 522 and a sealing cover 523 fixedly connected in sequence from bottom to top along the same center line, the circumferential outer edge of the sealing sleeve 524 is fixedly connected with the circumferential inner wall of the shunt through hole 512, the floating block 521 is provided with guide pieces 43 on both sides, the guide pieces 43 are attached to the circumferential outer edge of the floating block 521 and extend in the vertical direction, and the guide pieces 43 are fixed to the inner bottom wall of the lower shell barrel 4 to guide the floating block 521 to move in the vertical direction.

[0043] When water is not filled in the top shell, under the effect of gravity, the float 521, the supporting rod 522 and the sealing cover 523 slide downwards under the guidance of the guide piece 43 until the float 521 contacts the inner bottom wall of the lower shell barrel 4, at this time, the sealing cover 523 and the sealing sleeve 524 have a gap, the shunt through hole 512 is in an open state, and the sterilization gas discharged from the air outlet pipe 42 can be discharged to the outside through the shunt through hole 512 and the air outlet filter screen 3 in sequence; when water is filled in the top shell, the float 521 is moved upwards under the buoyancy, so that the gap between the sealing cover 523 and the sealing sleeve 524 is reduced, and when the water amount reaches a certain degree, the circumferential outer edge of the sealing cover 523 is sealingly attached to the sealing sleeve 524, and the shunt through hole 512 is blocked, at this time, even if the water amount in the top shell continues to increase, the shunt through hole 512 is still in a blocked state, and water flow can be prevented from entering the air outlet pipe 42 through the shunt through hole 512, and the sealing sleeve 524 is preferably made of rubber or silicone, and the shunt through hole 512 is designed in a conical surface shape, which is beneficial to enhancing the sealing property of the sealing member and the shunt through hole 512.

[0044] Further improvement is that the air outlet pipe 42 is located at the middle part of the inner bottom wall of the lower shell barrel 4, the inner bottom wall of the lower shell barrel 4 is in a conical frustum shape, and the size of the top end of the inner bottom wall of the lower shell barrel 4 is smaller than the size of the top end of the inner bottom wall of the lower shell barrel 4.

[0045] With the above design, the water flow entering the lower shell barrel 4 through the air outlet filter screen 3 can be guided to the bottom wall edge of the lower shell barrel 4, the possibility of water accumulation directly below the shunt through hole 512 is further reduced, and the water resistance is enhanced.

[0046] Further improvement is that the bottom surface of the base 21 is provided with a positioning piece 212 and an axial horizontal fixing sleeve 213, the positioning piece 212 is inserted and matched with the air inlet filter screen 22 in the vertical direction, the air inlet filter screen 22 is provided with a movable sleeve 221, and the fixing sleeve 213 is inserted and matched with the movable sleeve 221 through the bolt 24.

[0047] In the utility model, the air inlet 211 and the air inlet filter screen 22 are both square structures, the positioning piece 212 is integrally formed on the bottom surface of the base 21, there are four positioning pieces 212, all of which are L-shaped and correspond to the four corners of the air inlet 211 one by one, and the four positioning pieces 212 are further provided with a sealing gasket 25, the sealing gasket 25 is a square frame-shaped rubber pad, and the sealing gasket 25 is fixed on the bottom surface of the base 21; the fixing sleeve 213 is arranged on the four sides of the air inlet 211, the movable sleeve 221 is arranged on the four sides of the bottom surface of the air inlet filter screen 22, and the movable sleeve 221 corresponds to the fixing sleeve 213 one by one.

[0048] After the above design, the latch 24 is separated from the movable sleeve 221, and the air inlet filter screen 22 can be removed from the bottom surface of the base 21. After cleaning the air inlet filter screen 22, the air inlet filter screen 22 is installed between the four positioning members 212, and the installation position of the air inlet filter screen 22 is determined by the four positioning members 212 to prevent the position of the air inlet filter screen 22 from deviating in the horizontal direction. The elastic sealing gasket 25 can ensure that the frame of the air inlet filter screen 22 is connected with the bottom surface of the base 21 through the sealing gasket 25, so that after the four movable sleeves 221 are aligned with the four fixed sleeves 213, the latch 24 is inserted, and the cleaned air inlet filter screen 22 can be fixedly installed below the base 21, thereby ensuring the efficiency of air inlet.

[0049] Further improvement is that the latch 24 comprises a threaded segment 241 and a smooth segment 242 connected coaxially, the smooth segment 242 is detachably arranged on the inner side of the movable sleeve 221 and is sealingly connected with the inner wall of the movable sleeve 221, the threaded segment 241 is threadedly connected with the fixed sleeve 213, the threaded segment 241 is provided with a limiting disc 243 at one end adjacent to the smooth segment 242, and the other end is provided with an operating disc 244, the outer diameters of the operating disc 244 and the limiting disc 243 are greater than the inner diameter of the fixed sleeve 213.

[0050] The latch 24 is divided into four parts, the threaded segment 241 is threadedly connected with the fixed sleeve 213, which can effectively prevent the axial deviation of the latch 24, ensure the firm connection between the air inlet filter screen 22 and the base 21, and the limiting disc 243 and the operating disc 244 cooperate with each other to limit the axial position of the latch 24, prevent the latch 24 from being separated from the fixed sleeve 213, and the smooth segment 242 is inserted into the movable sleeve 221, and the air inlet filter screen 22 is positioned in the horizontal direction by the positioning member 212, so that the position of the air inlet filter screen 22 can be fixed, and the operating disc 244 is convenient for controlling the rotation of the latch 24 to adjust the axial position of the latch 24.

[0051] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the present application.

Claims

1. A body of a plasma sterilizer, characterized by comprising: Include: The shell (1) extends in the vertical direction, the control panel installation opening (11) is arranged on the shell (1); Base assembly (2), the base assembly (2) includes fixed cover on the bottom end of the shell (1) base (21), detachable setting in the bottom surface of the base (21) air inlet filter screen (22) and fixed below the base (21) roller (23), the base (21) is provided with air inlet (211) and the shell (1) inner cavity is communicated and opposite the air inlet filter screen (22), the air inlet filter screen (22) covers the air inlet (211); Top cover assembly, the top cover assembly includes fixed cover on the top end of the shell (1) top shell and setting on the exhaust filter screen (3) of the top shell side wall, the bottom surface of the top shell is provided with the exhaust outlet (41) and the shell (1) inner cavity is communicated, the inner bottom wall of the top shell is provided with the exhaust pipe (42) and extends upwards opposite the exhaust outlet (41), the side wall of the top shell is provided with exhaust port, the exhaust filter screen (3) covers the exhaust port. The top shell includes the top open lower shell barrel (4) and the upper shell cover (5) which is opposite to the lower shell barrel (4) and is arranged above the lower shell barrel (4), the lower shell barrel (4) and the upper shell cover (5) surround to form the exhaust port, and the exhaust filter screen (3) is fixed between the lower shell barrel (4) and the upper shell cover (5). The circumferential inner wall of the upper shell cover (5) is fixed with a flow distribution plate (51), the flow distribution plate (51) is provided with a communication hole (511) and a flow distribution through hole (512), the circumferential outer edge of the exhaust pipe (42) is sealingly connected with the circumferential inner wall of the communication hole (511), and the top end is spaced from the inner top wall of the upper shell cover (5), the lower shell barrel (4) is provided with a sealing unit (52) located below the flow distribution through hole (512), and the sealing unit (52) is used for preventing water flow entering the lower shell barrel (4) from passing through the flow distribution through hole (512).

2. The body of the plasma sterilizer according to claim 1, characterized in that: The sealing unit (52) includes a sealing element and a floating block (521) fixed below the sealing element, and the floating block (521) slides on the lower shell barrel (4) in the vertical direction.

3. The body of the plasma sterilizer according to claim 2, characterized in that: The curved surface of the circumferential inner wall of the flow distribution through hole (512) is a conical surface, and the inner diameter of the top end hole of the flow distribution through hole (512) is smaller than the inner diameter of the bottom end hole, and the circumferential outer edge of the sealing element is matched with the circumferential inner wall of the flow distribution through hole.

4. The body of the plasma sterilizing machine according to claim 3, wherein: The sealing element includes a rigid sealing cover (523) and a sealing sleeve (524) arranged between the outer side wall of the sealing cover (523) and the inner side wall of the flow distribution through hole (512) and being elastic.

5. The body of the plasma sterilization machine according to claim 4, wherein: The exhaust pipe (42) is located in the middle of the inner bottom wall of the lower shell barrel (4), the inner bottom wall of the lower shell barrel (4) is a frustum, and the top end size of the inner bottom wall of the lower shell barrel (4) is smaller than the top end size of the inner bottom wall of the lower shell barrel (4).

6. The body of the plasma sterilization machine according to claim 5, wherein: ​ 7. The body of the plasma sterilization machine according to any one of claims 2-6, wherein: ​ 8. The body of the plasma sterilization machine of claim 1, wherein: The bottom surface of the base (21) is provided with a positioning member (212) and an axial horizontal fixing sleeve (213), the positioning member (212) is in vertical direction plug-in cooperation with the air inlet filter screen (22), the air inlet filter screen (22) is provided with a movable sleeve (221), and the fixing sleeve (213) is in plug-in cooperation with the movable sleeve (221) through a bolt (24).

9. The body of the plasma sterilization machine of claim 8, wherein: The bolt (24) comprises a threaded section (241) and a smooth section (242) connected in the same axis line, the smooth section (242) is detachably arranged on the inner side of the movable sleeve (221) and is in sealing connection with the inner wall of the movable sleeve (221), and the threaded section (241) is in threaded connection with the fixing sleeve (213).

10. The body of the plasma sterilization machine of claim 9, wherein: The threaded section (241) is provided with a limiting disc (243) at one end adjacent to the smooth section (242) and is provided with an operation disc (244) at the other end, and the outer diameters of the operation disc (244) and the limiting disc (243) are all greater than the inner diameter of the fixing sleeve (213).

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