Medical precision air filter element

Abstract

The utility model relates to the technical field of filtering equipment, and discloses a medical precision air filter element which comprises a shell, two connecting blocks are fixedly installed on one side, close to the middle position, of the shell, the two connecting blocks are arranged up and down, and a rectangular plate is arranged on one side, close to the middle position, of the shell. Two threaded rods can move towards the sides far away from each other by driving a round block, so that adjacent trapezoidal limiting blocks can move towards the opposite sides and be far away from inner cavities of adjacent limiting grooves under the limiting of telescopic rods, the air filter element body and the shell are conveniently detached, and the air filter element body is conveniently replaced; and by overturning a driving handle from an inner cavity of a storage groove, a round block can be driven through the driving handle, the hands of a user can be protected by arranging a protective pad, a movable rod can be stored in the inner cavity of the storage groove by arranging a torsional spring, the movable rod can be conveniently stored, and the using attractiveness of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to a medical precision air filter element. Background Art

[0002] The operating room is a place for patients to undergo surgery and rescue, and is an important technical department of the hospital. The operating room should be connected to the surgical department, and should also be close to the blood bank, intensive care unit, anesthesia recovery room, etc., and should manage the four ways of surgical incision infection, namely: the air in the operating room; the items required for surgery; the fingers of doctors and nurses and the skin of patients, to prevent infection and ensure the success rate of the operation.

[0003] When filtering the air in the operating room, an air filter is required to filter impurities in the outside air. However, when the air filter is used for a long time, it is easy to be clogged by external impurities, thereby reducing the filtering effect of the device. The air filter needs to be replaced regularly to ensure the quality of the air in the operating room.

[0004] So we proposed a medical precision air filter to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a medical precision air filter element to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a medical precision air filter element, comprising a shell, one side of the shell is fixedly installed with two connection blocks near the middle position, the two connection blocks are arranged up and down, one side of the shell is provided with a rectangular plate near the middle position, the inner cavity of the rectangular plate is provided with a mounting assembly, the mounting assembly is provided with a driving assembly, the other side of the rectangular plate is fixedly installed with an air filter element body, the air filter element body movably penetrates one side of the inner cavity of the shell, and the end of the air filter element body is located in the inner cavity of the shell;

[0007] The mounting assembly includes a threaded rod movably penetrating the inner cavity of the rectangular plate near the middle position and a threaded sleeve threadedly connected to the outer periphery of the threaded rod near the front and rear ends, and the outer periphery of the threaded rod is provided with opposite external threads near the front and rear sides, the front end of the threaded rod is rotatably connected to the front side of the inner cavity of the rectangular plate, the top and bottom of the threaded sleeve are hinged with hinged rods, the ends of the hinged rods are hinged with trapezoidal limit blocks, the side of the trapezoidal limit blocks away from each other movably penetrates the inner cavity of the adjacent rectangular plate, and the end of the threaded rod is fixedly installed with a round block.

[0008] Preferably, telescopic rods are fixedly installed near both sides of the side away from the trapezoidal limit block, the ends of the telescopic rods are respectively fixedly connected to the top and bottom of the inner cavity of the adjacent rectangular plate, and a storage groove is opened on the rear side of the round block.

[0009] Preferably, a slot is provided at the middle position of the inner cavity of the other side of the shell, a sealing groove is provided at the middle position of one side of the shell, a rectangular opening A is provided near the middle position on one side of the shell, the rectangular opening A is located on the outer periphery of the sealing groove, the other side of the air filter element body movably passes through the inner cavity of the rectangular opening A, and an insert block is fixedly installed on the other side of the air filter element body, and the insert block is movably inserted into the inner cavity of the slot.

[0010] Preferably, a sealing gasket is fixedly installed on one side of the rectangular plate, and the sealing gasket is movably inserted in the inner cavity of the sealing groove, a rectangular opening B is opened at the middle position of the top and bottom of the inner cavity of the rectangular plate, a limiting groove is opened at the middle position of the opposite side of the connecting block, and the trapezoidal limiting block movably passes through the inner cavity of the adjacent rectangular opening B and is inserted in the inner cavity of the adjacent limiting groove.

[0011] Preferably, the driving assembly includes a movable rod rotatably connected to the inner cavity of the storage slot near the top and a driving handle fixedly sleeved at the middle position of the outer periphery of the movable rod, and a protective pad is fixedly sleeved at the outer periphery of the driving handle near the bottom end.

[0012] Preferably, a torsion spring is provided on the outer periphery of the movable rod near one end of the movable sleeve, one end of the torsion spring is fixedly connected to the movable rod, and the other end of the torsion spring is fixedly connected to the inner cavity side wall of the storage groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By driving the round block, the two threaded rods can be moved to the side away from each other, and then the adjacent trapezoidal limit blocks can be moved to the opposite side under the limit of the telescopic rod, away from the inner cavity of the adjacent limit groove, so that the air filter body and the shell can be disassembled conveniently, and the air filter body can be replaced conveniently, reducing the disassembly strength of the staff.

[0015] 2. By flipping the driving handle from the inner cavity of the storage groove, the round block can be driven by the driving handle, and the user's hands can be protected by providing a protective pad, and the movable rod can be stored in the inner cavity of the storage groove by providing a torsion spring, which is convenient for storage and improves the aesthetics of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cutaway stereogram of the overall structure of the utility model;

[0018] Figure 3 It is a partial cutaway stereoscopic view of the housing of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the filter element of the utility model;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the installation component of the utility model;

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of the drive assembly of the utility model;

[0022] Figure 7 For the utility model Figure 5 Enlarged view of point A in the middle.

[0023] In the figure: 1. outer shell; 11. slot; 12. sealing groove; 13. rectangular opening A; 2. rectangular plate; 21. sealing gasket; 22. rectangular opening B; 3. connecting block; 31. limiting groove; 4. air filter element body; 41. plug-in block; 5. mounting assembly; 51. threaded rod; 52. threaded sleeve; 53. hinged rod; 54. trapezoidal limiting block; 541. telescopic rod; 55. round block; 551. storage slot; 6. driving assembly; 61. movable rod; 611. torsion spring; 62. driving handle; 63. protective pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-7 A medical precision air filter element comprises a shell 1, two connecting blocks 3 are fixedly installed near the middle position of one side of the shell 1, and the two connecting blocks 3 are arranged up and down. A rectangular plate 2 is arranged near the middle position of one side of the shell 1, and a mounting assembly 5 is arranged in the inner cavity of the rectangular plate 2. A driving assembly 6 is arranged on the mounting assembly 5. An air filter element body 4 is fixedly installed on the other side of the rectangular plate 2. The air filter element body 4 movably passes through one side of the inner cavity of the shell 1, and the end of the air filter element body 4 is located in the inner cavity of the shell 1;

[0026] The mounting assembly 5 comprises a threaded rod 51 movably penetrating through the inner cavity of the rectangular plate 2 near the middle position on the rear side and a threaded sleeve 52 threadedly connected to the outer periphery of the threaded rod 51 near the front and rear ends, and the outer periphery of the threaded rod 51 is provided with opposite external threads near the front and rear sides, the front end of the threaded rod 51 is rotatably connected to the front side of the inner cavity of the rectangular plate 2, the top and bottom of the threaded sleeve 52 are hinged with hinged rods 53, the ends of the hinged rods 53 are hinged with trapezoidal limit blocks 54, the side of the trapezoidal limit blocks 54 away from each other movably penetrating through the inner cavity of the adjacent rectangular plate 2, and a round block 55 is fixedly installed at the end of the threaded rod 51, and the threaded sleeve 52 can be moved to the opposite side under the rotation of the threaded rod 51, and the adjacent trapezoidal limit blocks 54 can be moved to the away side under the action of the adjacent hinged rods 53, and can penetrate the inner cavity of the adjacent rectangular opening B22.

[0027] A telescopic rod 541 is fixedly installed near both sides of the side away from the trapezoidal limit block 54, and the ends of the telescopic rod 541 are fixedly connected to the top and bottom of the inner cavity of the adjacent rectangular plate 2 respectively. A storage groove 551 is opened on the rear side of the round block 55. By setting the telescopic rod 541, the trapezoidal limit block 54 can be stably moved to the side away from the trapezoidal limit block 54.

[0028] A slot 11 is provided at the middle position of the other side of the inner cavity of the shell 1, a sealing groove 12 is provided at the middle position of one side of the shell 1, a rectangular opening A13 is provided near the middle position of one side of the shell 1, and the rectangular opening A13 is located on the outer periphery of the sealing groove 12. The other side of the air filter body 4 movably penetrates the inner cavity of the rectangular opening A13, and an insert block 41 is fixedly installed on the other side of the air filter body 4, and the insert block 41 is movably inserted in the inner cavity of the slot 11. By arranging the insert block 41 to be inserted in the inner cavity of the slot 11, the air filter body 4 can be supported.

[0029] A sealing gasket 21 is fixedly installed on one side of the rectangular plate 2, and the sealing gasket 21 is movably inserted in the inner cavity of the sealing groove 12, which can prevent the purified air from leaking and keep the device at a certain level of sealing. Rectangular openings B22 are provided at the middle positions of the top and bottom of the inner cavity of the rectangular plate 2, and a limiting groove 31 is provided at the middle position of the opposite side of the connecting block 3. The trapezoidal limiting block 54 movably passes through the inner cavity of the adjacent rectangular opening B22 and is inserted in the inner cavity of the adjacent limiting groove 31, which can limit the rectangular plate 2 and the Fangboni air filter element body 4 is installed.

[0030] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 6 and Figure 7The driving assembly 6 includes a movable rod 61 rotatably connected to the inner cavity of the storage groove 551 near the top and a driving handle 62 fixedly sleeved at the middle position of the outer periphery of the movable rod 61. A protective pad 63 is fixedly sleeved at the outer periphery of the driving handle 62 near the bottom end. The driving handle 62 can drive the round block 55, and the protective pad 63 can protect the user's hands.

[0031] A torsion spring 611 is provided on the outer periphery of the movable rod 61 near one end. By providing the torsion spring 611, the driving handle 62 can be received in the inner cavity of the receiving groove 551. One end of the torsion spring 611 is fixedly connected to the movable rod 61, and the other end of the torsion spring 611 is fixedly connected to the inner cavity side wall of the receiving groove 551, thereby improving the aesthetics of the device.

[0032] Working principle: When the device is in use and the air filter element body 4 needs to be replaced, the driving handle 62 can be turned over so that the end of the driving handle 62 is in a vertical state with the receiving groove 551, and the driving handle 62 can drive the round block 55, and a protective pad 63 is provided on the periphery of the driving handle 62 to protect the user's hands. After the driving of the round block 55 is completed, the staff can loosen the protective pad 63, and the driving handle 62 can be stored in the inner cavity of the receiving groove 551 under the action of the torsion spring 611, so as to improve the aesthetics of the device. When 55 is rotated, the threaded rod 51 fixed on the round block 55 can be rotated. The outer circumference of the threaded rod 51 is provided with opposite external threads near the front and rear ends. When the threaded rod 51 is rotated, the threaded sleeve 52 can be moved to the opposite side. Through the adjacent hinged rod 53, the adjacent trapezoidal limit block 54 can be moved to the opposite side and away from the inner cavity of the adjacent limit groove 31 under the limitation of the telescopic rod 541, so as to facilitate the disassembly of the air filter body 4 and the outer shell 1, and then facilitate the replacement of the air filter body 4, and reduce the disassembly intensity of the staff.

[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A medical precision air filter element, comprising a housing (1), characterized in that: Two connection blocks (3) are fixedly mounted near the middle of one side of the housing (1), and the two connection blocks (3) are arranged up and down. A rectangular plate (2) is provided near the middle of one side of the housing (1), and a mounting assembly (5) is provided in the inner cavity of the rectangular plate (2), and a driving assembly (6) is provided on the mounting assembly (5). An air filter element body (4) is fixedly mounted on the other side of the rectangular plate (2), and the air filter element body (4) movably passes through one side of the inner cavity of the housing (1), and an end of the air filter element body (4) is located in the inner cavity of the housing (1); The mounting assembly (5) comprises a threaded rod (51) movably penetrating the inner cavity of the rectangular plate (2) near the middle position and a threaded sleeve (52) threadedly connected to the outer periphery of the threaded rod (51) near the front and rear ends, and the outer periphery of the threaded rod (51) is provided with opposite external threads near the front and rear ends, the front end of the threaded rod (51) is rotatably connected to the inner cavity of the rectangular plate (2), the top and bottom of the threaded sleeve (52) are both hinged with hinged rods (53), the ends of the hinged rods (53) are hinged with trapezoidal limit blocks (54), the side of the trapezoidal limit blocks (54) away from each other movably penetrating the inner cavity of the adjacent rectangular plate (2), and the end of the threaded rod (51) is fixedly mounted with a round block (55).

2. A medical precision air filter according to claim 1, characterized in that: A telescopic rod (541) is fixedly installed near both sides of the side away from the trapezoidal limit block (54), and the ends of the telescopic rod (541) are respectively fixedly connected to the top and bottom of the inner cavity of the adjacent rectangular plate (2), and a storage groove (551) is opened on the rear side of the round block (55).

3. A medical precision air filter according to claim 1, characterized in that: A slot (11) is provided at the middle position of the inner cavity of the other side of the shell (1), a sealing groove (12) is provided at the middle position of one side of the shell (1), a rectangular opening A (13) is provided near the middle position of one side of the shell (1), the rectangular opening A (13) is located at the outer periphery of the sealing groove (12), the other side of the air filter element body (4) movably penetrates the inner cavity of the rectangular opening A (13), the other side of the air filter element body (4) is fixedly mounted with an insert block (41), and the insert block (41) is movably inserted into the inner cavity of the slot (11).

4. A medical precision air filter according to claim 1, characterized in that: A sealing gasket (21) is fixedly mounted on one side of the rectangular plate (2), and the sealing gasket (21) is movably inserted into the inner cavity of the sealing groove (12); rectangular openings B (22) are provided at the middle positions of the top and bottom of the inner cavity of the rectangular plate (2); a limiting groove (31) is provided at the middle position of the opposite side of the connecting block (3); and a trapezoidal limiting block (54) movably penetrates the inner cavity of an adjacent rectangular opening B (22) and is inserted into the inner cavity of an adjacent limiting groove (31).

5. The medical precision air filter according to claim 1, characterized in that: The driving assembly (6) comprises a movable rod (61) rotatably connected to the inner cavity of the storage groove (551) near the top and a driving handle (62) fixedly sleeved at the middle position of the outer periphery of the movable rod (61), and a protective pad (63) is fixedly sleeved on the outer periphery of the driving handle (62) near the bottom end.

6. A medical precision air filter according to claim 5, characterized in that: A torsion spring (611) is provided on the outer periphery of the movable rod (61) near one end thereof, one end of the torsion spring (611) is fixedly connected to the movable rod (61), and the other end of the torsion spring (611) is fixedly connected to the inner cavity side wall of the receiving groove (551).

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