Sterilization cabin door locking mechanism

Abstract

The utility model discloses a sterilizing cabin door locking mechanism, which relates to the technical field of medical sterilizing cabins and comprises a sterilizing cabin and a cabin door, one side of the sterilizing cabin is provided with a door opening, the inner side of the door opening is provided with a first groove, and the right side of the door opening is provided with a pneumatic locking mechanism and a control switch assembly. And a circle of inflatable self-expansion sealing rubber strip is arranged in the first groove. The pneumatic locking mechanism and the inflatable self-expansion sealing rubber strip are arranged, and the air pump is arranged to control locking and sealing of the cabin door, so that the cabin door locking and sealing structure is simpler, and opening and closing operation is simpler; in addition, the problem that the sealing rubber strip falls off from the sealing groove due to friction force between the cabin door and the sealing ring can be effectively avoided by adopting the inflatable self-expansion sealing rubber strip.

Description

Technical Field

[0001] The utility model relates to the technical field of medical sterilization cabins, in particular to a sterilization cabin door locking mechanism. Background Art

[0002] Medical sterilization chambers generally use low-temperature plasma sterilization chambers. The door sealing device of the existing low-temperature plasma sterilization chamber adopts an upper locking device and a lower locking roller set on the sterilization chamber, and an upper locking roller and a lower locking device are set on the cabin door. Under the action of the driving push rod, the cabin door moves up and down along the guide rail. When the cabin door rises to a certain position, the upper locking roller and the lower locking roller simultaneously contact the locking blocks in the upper locking device and the lower locking device. The locking block swings a certain angle around the axis of the locking fixture, the spring is compressed, and the locking block will apply pressure to the locking roller. The cabin door will be pressed against the sealing ring of the sterilization chamber, the cabin door is locked, and the sterilization chamber is sealed. After the sterilization chamber is sealed, the program is started, the vacuum pump is operated, negative pressure is generated in the sterilization chamber, and the cabin door is sucked tight.

[0003] The sealing and locking device of a traditional low-temperature plasma sterilization chamber can achieve a good locking and sealing effect. However, it has many supporting parts, is expensive, and is complicated to assemble. Moreover, when the door is opened, the locking roller has not yet disengaged from the locking block. Under the pressure of the locking device, the door is pressed against the sealing ring. There is friction between the door and the sealing ring, and the sealing ring is easily separated from the sealing groove under the action of friction.

[0004] Based on this, a sterilization chamber door locking mechanism is now provided to eliminate the drawbacks of the existing device. Utility Model Content

[0005] The purpose of the utility model is to provide a sterilization cabin door locking mechanism to solve the problems in the background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A sterilization chamber door locking mechanism comprises a sterilization chamber and a chamber door, wherein a door opening is provided on one side of the sterilization chamber, a first groove is provided on the inner side of the door opening, a pneumatic locking mechanism and a control switch assembly are provided on the right side of the door opening, and a circle of inflatable self-expanding sealing strip is provided in the first groove.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: tempered glass is provided in the middle of the cabin door, a protrusion is provided on the inner side of the cabin door, a second groove is provided on the side of the protrusion, a lock hole is provided at one end of the cabin door, and a handle is provided on the outer side of the cabin door.

[0010] In an optional solution: the cabin door is connected to the sterilization chamber via a hinge, the hinge includes a fixing seat, the fixing seat is fixed on the sterilization chamber, and one end of the cabin door is hingedly connected to the fixing seat.

[0011] In an optional solution: a third groove is provided on the inner side of the lock hole.

[0012] In an optional scheme: the pneumatic locking mechanism is arranged in a fourth groove on the cabin door, and the fourth groove is located on the right side of the door opening. The pneumatic locking mechanism includes a movable block, a lock column, a spring, an outer sleeve and a lock ball. A limit block is provided at the lower end of the fourth groove, and a vent is provided on the limit block. The movable block is arranged at the upper end of the limit block, and the lock column is fixed to the upper end of the movable block. The spring is sleeved on the outside of the lock column, and the lower end of the spring is fixed on the movable block. The outer sleeve is fixed on the cabin door, and the upper end of the lock column is arranged in the outer sleeve, and a limit hole is provided on the outer sleeve. The lock ball is arranged between the outer sleeve and the lock column, and the lock ball is located at the limit hole.

[0013] In an optional solution: a rubber strip is provided on a side of the movable block, and the side of the movable block is in close contact with a side wall of the fourth groove.

[0014] In an optional solution: the control switch assembly is arranged in the fifth groove on the hatch, the fifth groove is located on the right side of the fourth groove, the control switch assembly includes an air pump and a switch, the air pump is arranged in the fifth groove, and the switch is arranged at the top of the air pump.

[0015] In an optional solution, the air pump is connected to the bottom end of the fourth groove and the inflatable self-expanding sealing strip via a connecting pipe.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model provides a pneumatic locking mechanism and an inflatable self-expanding sealing strip, and provides an air pump to control the locking and sealing of the hatch, so that the hatch locking and sealing structure is simpler and the opening and closing operations are simpler. In addition, the use of the inflatable self-expanding sealing strip can effectively avoid the problem of the sealing strip falling off from the sealing groove due to the friction between the hatch and the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of one side of the utility model.

[0019] Figure 2 It is a structural diagram of the other side of the utility model.

[0020] Figure 3 It is a cross-sectional view of the present invention.

[0021] Notes on figure numbers: 100, sterilization chamber; 101, door opening; 102, first groove; 103, fourth groove; 104, fifth groove; 200, cabin door; 201, tempered glass; 202, protrusion; 203, second groove; 204, lock hole; 205, third groove; 206, handle; 207, fixing seat; 300, pneumatic locking mechanism; 301, limit block; 302, vent; 303, movable block; 304, lock column; 305, spring; 306, outer sleeve; 307, lock bead; 308, limit hole; 400, control switch assembly; 401, air pump; 402, switch; 500, inflatable self-expanding sealing strip. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0023] In one embodiment, Figure 1-Figure 3 As shown, a sterilization cabin door locking mechanism includes a sterilization cabin 100, a cabin door 200, a pneumatic locking mechanism 300 and a control switch assembly 400. A door opening 101 is provided on one side of the sterilization cabin 100, a first groove 102 is provided on the inner side of the door opening 101, a pneumatic locking mechanism 300 and a control switch assembly 400 are provided on the right side of the door opening 101, and a circle of inflatable self-expanding sealing strip 500 is provided in the first groove 102. When in use, the cabin door 200 is closed, and the pneumatic locking mechanism 300 is locked by the control switch assembly 400, and the inflatable self-expanding sealing strip 500 is inflated to make the inflatable self-expanding sealing strip 500 and the cabin door 200 tightly attached.

[0024] In one embodiment, Figure 1 and Figure 2 As shown, a tempered glass 201 is provided in the middle of the hatch 200, a protrusion 202 is provided on the inner side of the hatch 200, a second groove 203 is provided on the side of the protrusion 202, a lock hole 204 is provided at one end of the hatch 200, and a handle 206 is provided on the outer side of the hatch 200. The size of the protrusion 202 is consistent with the door opening 101. When the hatch 200 is closed, the protrusion 202 is just stuck in the door opening 101.

[0025] In one embodiment, Figure 1 and Figure 2 As shown, the cabin door 200 is connected to the sterilization chamber 100 through a hinge. The hinge includes a fixing seat 207. The fixing seat 207 is fixed on the sterilization chamber 100. One end of the cabin door 200 is hingedly connected to the fixing seat 207. The hinged end of the cabin door 200 is located on the left side of the door opening 101. There are two hinges, which are symmetrically arranged on the left side of the cabin door 200.

[0026] In one embodiment, Figure 3As shown, a third groove 205 is provided inside the lock hole 204 , and the third groove 205 cooperates with the lock bead 307 to lock the cabin door 200 .

[0027] In one embodiment, Figure 3 As shown, the pneumatic locking mechanism 300 is arranged in the fourth groove 103 on the hatch 200, and the fourth groove 103 is located on the right side of the door opening 101. The pneumatic locking mechanism 300 includes a movable block 303, a lock column 304, a spring 305, an outer sleeve 306 and a lock bead 307. A limit block 301 is provided at the lower end of the fourth groove 103, and a vent 302 is provided on the limit block 301. The movable block 303 is arranged at the upper end of the limit block 301, and the lock column 304 is fixed to the upper end of the movable block 303. The spring 305 is sleeved on the outside of the lock column 304, and the lower end of the spring 305 is fixed on the movable block 303. The outer sleeve 306 is fixed on the hatch 200, and the upper end of the lock column 304 is arranged in the outer sleeve 306. A limiting hole 308 is provided on 306, and a locking ball 307 is provided between the outer sleeve 306 and the locking column 304. The locking ball 307 is located at the limiting hole 308. When there is no external force, the movable block 303 is at the upper end of the limiting block 301. At this time, the locking column 304 squeezes the locking ball 307 out of the limiting hole 308, so that the exposed part of the locking ball 307 can be stuck in the third groove 205, thereby locking the cabin door 200. When the movable block 303 moves upward under the action of external force, the locking column 304 moves upward with the movable block 303. When the thinnest part of the locking column 304 reaches the locking ball 307, the locking ball 307 will roll inward and leave the third groove 205, thereby unlocking the cabin door 200.

[0028] In one embodiment, Figure 3 As shown, a rubber strip is provided on the side of the movable block 303 , and the side of the movable block 303 is in close contact with the side wall of the fourth groove 103 to ensure that there is no air leakage between the movable block 303 and the side wall of the fourth groove 103 .

[0029] In one embodiment, Figure 3 As shown, the control switch assembly 400 is arranged in the fifth groove 104 on the hatch 200, and the fifth groove 104 is located on the right side of the fourth groove 103. The control switch assembly 400 includes an air pump 401 and a switch 402. The air pump 401 is arranged in the fifth groove 104, and the switch 402 is arranged at the top of the air pump 401. The air outlet direction of the air pump 401 can be controlled by the switch 402.

[0030] In one embodiment, Figure 3 As shown, the air pump 401 is connected to the bottom of the fourth groove 103 and the inflatable self-expanding sealing strip 500 through a connecting pipe, and the air pump 401 can be controlled by the switch 402 to inflate or exhaust air into the bottom of the fourth groove 103 and the inflatable self-expanding sealing strip 500.

[0031] The above embodiment discloses a locking mechanism for the door of the sterilization chamber. When closing the door 200, the handle 206 is used to rotate the door 200 so that the protrusion 202 is locked in the door hole 101 and the lock hole 204 is aligned with the outer sleeve 306. When the door 200 is closed, the air in the fourth groove 103 is pumped out by the air pump 401, so that the movable block 303 moves downward with the lock column 304 under the action of the spring 305, and the lock ball 307 is squeezed out from the limit hole 308, so that the lock ball 307 is locked in the third groove 205, locking the door 200. Air is filled into the inflatable self-expanding sealing strip 500 through the air pump 401, so that the sealing strip expands and is stuck in the second groove 203 to achieve a sealing effect. On the contrary, when the hatch 200 needs to be opened, the air in the inflatable self-expanding sealing strip 500 is first extracted through the air pump 401, so that the sealing strip shrinks and leaves the second groove 203, and then air is injected into the fourth groove 103 through the air pump 401, so that the movable block 303 moves upward with the lock column 304, and the lock bead 307 leaves the third groove 205, thereby releasing the lock on the hatch 200.

[0032] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A sterilization chamber door locking mechanism, comprising a sterilization chamber (100) and a chamber door (200), wherein a door opening (101) is provided on one side of the sterilization chamber (100), and a first groove (102) is provided on the inner side of the door opening (101), characterized in that: A pneumatic locking mechanism (300) and a control switch assembly (400) are provided on the right side of the door opening (101), and a circle of inflatable self-expanding sealing strip (500) is provided in the first groove (102).

2. The sterilization chamber door locking mechanism according to claim 1, characterized in that: A tempered glass (201) is provided in the middle of the hatch (200), a protrusion (202) is provided on the inner side of the hatch (200), a second groove (203) is provided on the side of the protrusion (202), a lock hole (204) is provided at one end of the hatch (200), and a handle (206) is provided on the outer side of the hatch (200).

3. The sterilization chamber door locking mechanism according to claim 1, characterized in that: The door (200) is connected to the sterilization chamber (100) via a hinge, wherein the hinge comprises a fixing seat (207), the fixing seat (207) is fixed on the sterilization chamber (100), and one end of the door (200) is hingedly connected to the fixing seat (207).

4. The sterilization chamber door locking mechanism according to claim 2, characterized in that: A third groove (205) is provided inside the lock hole (204).

5. The sterilization chamber door locking mechanism according to claim 1, characterized in that: The pneumatic locking mechanism (300) is arranged in a fourth groove (103) on the hatch (200), and the fourth groove (103) is located on the right side of the door opening (101). The pneumatic locking mechanism (300) includes a movable block (303), a lock column (304), a spring (305), an outer sleeve (306) and a lock bead (307). A limit block (301) is provided at the lower end of the fourth groove (103), and a vent hole (302) is provided on the limit block (301). The movable block (303) is arranged at the upper end of the limit block (301). The lock column (304) is fixed to the upper end of the movable block (303), the spring (305) is sleeved on the outside of the lock column (304), the lower end of the spring (305) is fixed to the movable block (303), the outer sleeve (306) is fixed to the cabin door (200), the upper end of the lock column (304) is arranged in the outer sleeve (306), the outer sleeve (306) is provided with a limiting hole (308), the lock ball (307) is arranged between the outer sleeve (306) and the lock column (304), and the lock ball (307) is located at the limiting hole (308).

6. The sterilization chamber door locking mechanism according to claim 5, characterized in that: A rubber strip is provided on the side of the movable block (303), and the side of the movable block (303) is in close contact with the side wall of the fourth groove (103).

7. The sterilization chamber door locking mechanism according to claim 1, characterized in that: The control switch assembly (400) is arranged in a fifth groove (104) on the hatch (200), and the fifth groove (104) is located on the right side of the fourth groove (103). The control switch assembly (400) includes an air pump (401) and a switch (402), wherein the air pump (401) is arranged in the fifth groove (104), and the switch (402) is arranged at the top of the air pump (401).

8. The sterilization chamber door locking mechanism according to claim 7, characterized in that: The air pump (401) is connected to the bottom end of the fourth groove (103) and the inflatable self-expanding sealing strip (500) via a connecting pipe.

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