Water cup protective cover connecting structure of air source processing element

Abstract

The utility model relates to the technical field of air source treatment devices, in particular to a water cup protection cover connecting structure of an air source treatment element. The utility model relates to a water cup protective cover connecting structure of an air source processing element. The connecting structure comprises a protective cover tooth-shaped structure and a water cup connecting buckle, the protective cover tooth-shaped structure is provided with axial connecting teeth and rotary limiting teeth; a connecting buckle of the water cup is in an inverted T shape, the connecting buckle is connected with the axial connecting teeth in a buckled mode, and the connecting buckle is inserted between the two rotary limiting teeth. The protection cover of the water cup is connected with the water cup through the tooth-shaped structure, the machining difficulty of the protection cover is reduced, only the edge of the protection cover needs to be provided with the tooth shape, part of reinforcing ribs used for rotation limiting can be removed from the interior of the protection cover, the number of the reinforcing ribs is reduced, the production difficulty is reduced, and the production cost is reduced; the water cup is provided with a water cup connecting buckle which is connected with a protective cover of the water cup, so that the reliability of connection between the water cup and the protective cover is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air source processors, in particular to a water cup protective cover connection structure of an air source processing element. Background Art

[0002] Prior art CN204134440U is a gas source processing device, whose structure includes a pressure regulating filter and an oil mist collector, the air outlet of the pressure regulating filter is connected to the air inlet of the oil mist collector through a connecting bolt, the pressure regulating filter includes a drain cup, the upper part of the drain cup is connected to the processor body, the pressure regulating filter air inlet is arranged in front of the processor body, and the air outlet is arranged at the rear, the interior of the processor body is downwardly connected to the pressure regulating valve arranged in the drain cup, the valve core of the pressure regulating valve is upwardly connected to the pressure regulating mechanism arranged on the top of the processor body, and a diaphragm is arranged between the pressure regulating mechanism and the processor body; the oil mist collector includes an oil storage cup, a body is arranged above the oil storage cup, the air inlet is arranged in the front of the body, and the oil mist collector air outlet is arranged at the rear, an oil suction pipe is connected downwardly to the middle part of the body, and a visual flow regulating valve is arranged above the body. The problem with the prior art is that the drain cup and the protective cover of the drain cup are provided with staggered reinforcing ribs, and the staggered reinforcing ribs are used to prevent the drain cup from rotating. The reinforcing rib structure is complex, the production and processing are difficult, and the production cost is high. At the same time, the reinforcing ribs cannot play an axial connection role. The drain cup needs to be provided with a thread to screw into the processor, and the protective cover is tightened by an interference fit. The connection method of the drain cup is inconvenient, and the fixing reliability of the protective cover is low. Utility Model Content

[0003] In order to solve the problems in the prior art that the drain cup and the protective cover of the drain cup are provided with staggered reinforcing ribs, the staggered reinforcing ribs are used to prevent the drain cup from rotating, the reinforcing rib structure is complex, the production and processing are difficult, and the production cost is high. At the same time, the reinforcing ribs cannot play an axial connection role, the drain cup needs to be provided with a thread to screw into the processor, and the interference fit method is used to tighten the protective cover, the connection method of the drain cup is inconvenient, and the fixing reliability of the protective cover is low, the utility model provides a water cup protective cover connection structure of an air source processing element, the connection structure includes a protective cover tooth structure and a water cup connecting buckle; the protective cover tooth structure is provided with axial connecting teeth and rotation limiting teeth, the width of the axial connecting teeth is smaller than the width of the rotation limiting teeth; the water cup connecting buckle is an inverted T-shape, the connecting buckle is buckled with the axial connecting teeth, and the connecting buckle is inserted between the two rotation limiting teeth. The protective cover of the water cup is connected to the water cup by adopting a toothed structure, and the processing difficulty of the protective cover is greatly reduced. It is only necessary to set teeth on the edge of the protective cover, and some reinforcing ribs used for rotation limiting can be removed inside the protective cover, thereby reducing the number of reinforcing ribs, reducing production difficulty, and reducing production costs. The water cup is provided with a water cup connecting buckle connected to the protective cover of the water cup, thereby improving the reliability of the connection between the water cup and the protective cover, and at the same time, it can cooperate with teeth of different shapes and functions in the toothed structure of the protective cover to limit the axial direction and the rotation direction.

[0004] Preferably, the connection structure further comprises a connector of the air source processing element, the protective cover toothed structure is arranged on the upper edge of the water cup protective cover, and the protective cover toothed structure is inserted into the corresponding connection port of the connector of the air source processing element. The protective cover toothed structure is inserted into the connector, which is conducive to improving the sealing performance of the connector and the protective cover.

[0005] Preferably, the mouth of the water cup is provided with a sealing groove, the sealing groove is filled with a sealing ring, the water cup connecting buckle is located at the lower edge of the sealing groove, and the water cup connecting buckle protrudes from the outer surface of the cup wall. The mouth of the water cup is provided with a sealing groove, and a sealing ring is provided in the sealing groove, which is conducive to improving the sealing performance of the water cup and the connector; the water cup connecting buckle protrudes from the outer surface of the cup wall, which is conducive to reducing the occupation of the internal space of the water cup, and is conducive to limiting the rotation direction of the protective cover to prevent the protective cover and the water cup from rotating relative to each other; the water cup connecting buckle is located at the lower edge of the sealing groove to avoid damaging the sealing performance of the sealing groove.

[0006] Preferably, the connection port corresponding to the connector of the water cup and the air source processing element is a stepped connection port, the inner diameter of the connection port close to the outside is larger than the inner diameter of the side away from the outside, and the mouth of the water cup and the sealing groove are inserted into the minimum inner diameter section of the connection port. The stepped connection port can perform a stepped seal on the minimum inner diameter section of the connection port, and cooperate with the mouth of the water cup and the sealing groove to perform multi-stage sealing on the connection between the water cup and the connector, thereby improving the sealing and reliability of the connector connection of the water cup.

[0007] Preferably, the axial connection teeth of the protective cover tooth-shaped structure are provided with a first buckle portion, and the first buckle portion buckles down one side of the inverted T-shaped structure of the water cup connection buckle. The axial connection teeth buckle down the water cup connection buckle with the first buckle portion to prevent the protective cover from falling off. Compared with the connection method of tightening the protective cover of the water cup, the snap-on connection has better stability.

[0008] Preferably, the axial connection teeth in the toothed structure of the protective cover can be arranged as a plurality of adjacent axial connection teeth, the first buckling portions of two adjacent axial connection teeth are opposite, and the two first buckling portions buckle down the two sides of the inverted T-shaped structure of the water cup connection buckle respectively. The use of two adjacent axial connection teeth to buckle down the two sides of the connection buckle respectively is conducive to improving the stability of the snap-on connection and the service life of the snap-on connection.

[0009] Preferably, the tooth groove depth between the two rotation limiting teeth is equal to the length dimension of the water cup connecting buckle in the vertical direction. By adopting the method that the tooth groove depth between the rotation limiting teeth is equal to the length dimension of the water cup connecting buckle in the vertical direction, it is prevented that the protective cover tooth-shaped structure is inserted too deeply into the water cup connecting buckle, and a gap is prevented between the axial connecting teeth and the water cup connecting buckle, resulting in a decrease in the connection stability between the protective cover and the water cup, and an excessive amplitude between the protective cover and the water cup is prevented, which accelerates the wear of the first buckle connection part of the axial connecting teeth and the water cup connecting buckle, thereby extending the service life of the snap-on connection.

[0010] Preferably, chamfers are provided on both sides of the top of the rotating limit teeth, and the root tooth groove of the axial connection teeth and the adjacent protective cover tooth structure adopt an arc transition, and the tooth groove is an arc shape. The chamfers are provided on both sides of the top of the rotating limit teeth, which is conducive to the smooth insertion of the water cup connecting buckle between the rotating limit teeth, reducing the wear of the rotating limit teeth and the water cup connecting buckle; because the axial connection teeth need to be frequently engaged with the water cup connecting buckle, the root of the axial connection teeth adopts an arc transition, which is conducive to extending the service life of the axial connection teeth and avoiding the fracture of the root of the axial connection teeth.

[0011] The utility model adopts the above-mentioned arrangement to solve the problems of the prior art and has the following beneficial effects: the protective cover of the water cup is connected to the water cup by a toothed structure, the processing difficulty of the water cup and the protective cover is low, the number of reinforcing ribs in the protective cover is reduced, and the production cost is reduced; the water cup is provided with a water cup connecting buckle connected to the protective cover of the water cup, thereby improving the reliability of the connection between the water cup and the protective cover; the water cup connecting buckle can respectively cooperate with the axial limiting teeth and the rotation limiting teeth in the toothed structure of the protective cover to limit the axial direction and the rotation direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 It is a cross-sectional view of the cup mouth of the utility model;

[0015] Figure 4 It is a partial enlarged view of the axial connecting teeth of the utility model;

[0016] Figure 5 It is a partial enlarged view of the rotation limiting teeth of the utility model;

[0017] Legend: connector 1; water cup 2; protective cover 3; axial connecting teeth 4; rotation limiting teeth 5; water cup connecting buckle 6; sealing groove 7; cup mouth 8; connecting mouth 9; first buckle part 10. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0019] Example 1

[0020] like Figure 1 Figure 2 As shown, a water cup 2 protective cover 3 connection structure of an air source processing element is mainly composed of a protective cover 3 toothed structure and a water cup connecting buckle 6; the protective cover 3 toothed structure is provided with axial connecting teeth 4 and rotation limiting teeth 5 (see Figure 3 Figure 4 Figure 5 ), realizes the dual limitation of the axial direction and rotation direction of the water cup 2; the width of the axial connection tooth 4 is smaller than the width of the rotation limiting tooth 5; the connection buckle 6 of the water cup 2 is an inverted T-shaped, the connection buckle 6 is buckled with the axial connection tooth 4, and the connection buckle 6 is inserted between the two rotation limiting teeth 5. The protective cover 3 of the water cup 2 is connected to the water cup 2 using a toothed structure, and the toothed structure of the protective cover 3 is inserted into the connector 1, which is conducive to improving the sealing of the connector 1 and the protective cover 3. At the same time, the processing difficulty of the protective cover 3 is greatly reduced. It is only necessary to set the tooth shape on the edge of the protective cover 3. Part of the reinforcing ribs for rotation limitation can be removed inside the protective cover 3, reducing the number of reinforcing ribs, reducing the production difficulty, and reducing the production cost; the water cup 2 is provided with a water cup connection buckle 6 to connect with the protective cover 3 of the water cup 2, which improves the reliability of the connection between the water cup 2 and the protective cover 3. At the same time, it can cooperate with the teeth of different shapes and functions in the toothed structure of the protective cover 3 to limit the axial direction and the rotation direction.

[0021] The connection structure also includes a connector 1 of the air source processing element, and the toothed structure of the protective cover 3 is arranged on the upper edge of the protective cover 3 of the water cup 2, and the toothed structure of the protective cover 3 is inserted into the corresponding connection port 9 of the connector 1 of the air source processing element. The design of the protective cover 3 of the water cup 2 is intended to protect the water cup 2 from interference from the external environment, while ensuring a stable connection between the water cup 2 and the air source processing element. The toothed structure on the protective cover 3 is a unique connection method, which cooperates with the corresponding connecting buckle 6 on the air source processing element connector 1 to achieve a tight connection between the water cup 2 and the air source processing element, has high connection strength and stability, and can meet the use requirements in various complex working environments.

[0022] The cup mouth 8 of the water cup 2 is provided with a sealing groove 7, and a sealing ring is filled in the sealing groove 7. The water cup connecting buckle 6 is located at the lower edge of the sealing groove 7, and the water cup connecting buckle 6 protrudes from the outer surface of the cup wall. The cup mouth 8 of the water cup 2 is provided with a sealing groove 7, and a sealing ring is arranged in the sealing groove 7. The sealing ring filled in the sealing groove 7 can effectively prevent gas or liquid from leaking from the connection, which is beneficial to improving the sealing of the water cup 2 and the connector 1. At the same time, the sealing ring can also play a role in tightening the water cup 2 to prevent the water cup 2 from shaking or falling off during the connection process; the water cup connecting buckle 6 protrudes from the outer surface of the cup wall, which is beneficial to reducing the occupation of the internal space of the water cup 2, and is beneficial to limiting the rotation direction of the protective cover 3 to prevent the protective cover 3 and the water cup 2 from rotating relative to each other; the water cup connecting buckle 6 is located at the lower edge of the sealing groove 7 to avoid damaging the sealing of the sealing groove 7.

[0023] The connection port 9 corresponding to the water cup 2 and the connector 1 of the air source processing element is a stepped connection port 9, the inner diameter of the connection port 9 close to the outside is larger than the inner diameter away from the outside, and the cup mouth 8 of the water cup 2 and the sealing groove 7 are inserted into the minimum inner diameter section of the connection port 9. The stepped connection port 9 can perform a stepped seal on the minimum inner diameter section of the connection port 9, and cooperate with the cup mouth 8 of the water cup 2 and the sealing groove 7 to perform multi-stage sealing on the connection between the water cup 2 and the connector 1, thereby improving the sealing and reliability of the connection of the water cup 2 to the connector 1.

[0024] The axial connecting teeth 4 of the tooth-shaped structure of the protective cover 3 are provided with a first buckle portion 10, and the first buckle portion 10 buckles downwardly one side of the inverted T-shaped structure of the connecting buckle 6 of the water cup 2. The axial connecting teeth 4 buckle downwardly the connecting buckle 6 of the water cup 2 using the first buckle portion 10 to prevent the protective cover 3 from falling off. Compared with the connection method of tightening the protective cover 3 by the water cup 2, the snap-on connection has better stability.

[0025] The axial connecting teeth 4 in the toothed structure of the protective cover 3 can be arranged as a plurality of adjacent axial connecting teeth 4, the first buckling portions 10 of two adjacent axial connecting teeth 4 are opposite, and the two first buckling portions 10 respectively buckle down the two sides of the inverted T-shaped structure of the connecting buckle 6 of the water cup 2. The use of two adjacent axial connecting teeth 4 to buckle down the two sides of the connecting buckle 6 is conducive to improving the stability of the snap-on connection and the service life of the snap-on connection.

[0026] The tooth groove depth between the two rotation limiting teeth 5 is equal to the length dimension of the water cup connection buckle 6 in the vertical direction. By adopting the method that the tooth groove depth between the rotation limiting teeth 5 is equal to the length dimension of the water cup connection buckle 6 in the vertical direction, it is prevented that the tooth-shaped structure of the protective cover 3 is inserted too deeply into the water cup connection buckle 6, and a gap is prevented from appearing between the axial connection teeth 4 and the water cup connection buckle 6, resulting in a decrease in the connection stability between the protective cover 3 and the water cup 2, and an excessive amplitude between the protective cover 3 and the water cup 2 is prevented, which accelerates the wear of the first buckle connection part 10 of the axial connection teeth 4 and the water cup connection buckle 6, and prolongs the service life of the snap-on connection.

[0027] Chamfers are provided on both sides of the top of the rotating limit teeth 5, and the root tooth groove of the axial connection teeth 4 and the adjacent tooth structure of the protective cover 3 adopt an arc transition, and the tooth groove is an arc shape. The chamfers are provided on both sides of the top of the rotating limit teeth 5, which is conducive to the smooth insertion of the water cup connecting buckle 6 into the rotating limit teeth 5, reducing the wear of the rotating limit teeth 5 and the water cup connecting buckle 6; because the axial connection teeth 4 need to be frequently engaged with the water cup connecting buckle 6, the root of the axial connection teeth 4 adopts an arc transition, which is conducive to extending the service life of the axial connection teeth 4 and avoiding the root of the axial connection teeth 4 from breaking.

[0028] Example 2

[0029] A connection structure of a water cup 2 protective cover 3 of an air source processing element, the connection structure mainly consists of a toothed structure of the protective cover 3 and a water cup connecting buckle 6; the toothed structure of the protective cover 3 is provided with axial connecting teeth 4 and rotational limiting teeth 5, realizing dual limiting of the axial and rotational directions of the water cup 2; the width of the axial connecting teeth 4 is smaller than the width of the rotational limiting teeth 5; the connecting buckle 6 of the water cup 2 is an inverted T-shape, the connecting buckle 6 is buckled with the axial connecting teeth 4, and the connecting buckle 6 is inserted between the two rotational limiting teeth 5. The protective cover 3 of the water cup 2 is connected to the water cup 2 by adopting a toothed structure. The toothed structure of the protective cover 3 is inserted into the connector 1, which is beneficial to improving the sealing of the connector 1 and the protective cover 3. At the same time, the processing difficulty of the protective cover 3 is greatly reduced. It is only necessary to set teeth on the edge of the protective cover 3. Some reinforcing ribs used for rotation limiting can be removed inside the protective cover 3, thereby reducing the number of reinforcing ribs, reducing production difficulty, and reducing production costs. The water cup 2 is provided with a water cup connecting buckle 6 connected to the protective cover 3 of the water cup 2, thereby improving the reliability of the connection between the water cup 2 and the protective cover 3. At the same time, it can cooperate with teeth of different shapes and functions in the toothed structure of the protective cover 3 to limit the axial direction and the rotation direction.

[0030] The connection structure also includes a connector 1 of the air source processing element, and the toothed structure of the protective cover 3 is arranged on the upper edge of the protective cover 3 of the water cup 2, and the toothed structure of the protective cover 3 is inserted into the corresponding connection port 9 of the connector 1 of the air source processing element. The design of the protective cover 3 of the water cup 2 is intended to protect the water cup 2 from interference from the external environment, while ensuring a stable connection between the water cup 2 and the air source processing element. The toothed structure on the protective cover 3 is a unique connection method, which cooperates with the corresponding connecting buckle 6 on the air source processing element connector 1 to achieve a tight connection between the water cup 2 and the air source processing element, has high connection strength and stability, and can meet the use requirements in various complex working environments.

[0031] The cup mouth 8 of the water cup 2 is provided with a sealing groove 7, and a sealing ring is filled in the sealing groove 7. The water cup connecting buckle 6 is located at the lower edge of the sealing groove 7, and the water cup connecting buckle 6 protrudes from the outer surface of the cup wall. The cup mouth 8 of the water cup 2 is provided with a sealing groove 7, and a sealing ring is arranged in the sealing groove 7. The sealing ring filled in the sealing groove 7 can effectively prevent gas or liquid from leaking from the connection, which is beneficial to improving the sealing of the water cup 2 and the connector 1. At the same time, the sealing ring can also play a role in tightening the water cup 2 to prevent the water cup 2 from shaking or falling off during the connection process; the water cup connecting buckle 6 protrudes from the outer surface of the cup wall, which is beneficial to reducing the occupation of the internal space of the water cup 2, and is beneficial to limiting the rotation direction of the protective cover 3 to prevent the protective cover 3 and the water cup 2 from rotating relative to each other; the water cup connecting buckle 6 is located at the lower edge of the sealing groove 7 to avoid damaging the sealing of the sealing groove 7.

[0032] The connection port 9 corresponding to the water cup 2 and the connector 1 of the air source processing element is a stepped connection port 9, the inner diameter of the connection port 9 close to the outside is larger than the inner diameter away from the outside, and the cup mouth 8 of the water cup 2 and the sealing groove 7 are inserted into the minimum inner diameter section of the connection port 9. The stepped connection port 9 can perform a stepped seal on the minimum inner diameter section of the connection port 9, and cooperate with the cup mouth 8 of the water cup 2 and the sealing groove 7 to perform multi-stage sealing on the connection between the water cup 2 and the connector 1, thereby improving the sealing and reliability of the connection of the water cup 2 to the connector 1.

[0033] The axial connecting teeth 4 of the tooth-shaped structure of the protective cover 3 are provided with a first buckle portion 10, and the first buckle portion 10 buckles downwardly one side of the inverted T-shaped structure of the connecting buckle 6 of the water cup 2. The axial connecting teeth 4 buckle downwardly the connecting buckle 6 of the water cup 2 using the first buckle portion 10 to prevent the protective cover 3 from falling off. Compared with the connection method of tightening the protective cover 3 by the water cup 2, the snap-on connection has better stability.

[0034] The axial connecting teeth 4 in the toothed structure of the protective cover 3 can be arranged as a plurality of adjacent axial connecting teeth 4, the first buckling portions 10 of two adjacent axial connecting teeth 4 are opposite, and the two first buckling portions 10 respectively buckle down the two sides of the inverted T-shaped structure of the connecting buckle 6 of the water cup 2. The use of two adjacent axial connecting teeth 4 to buckle down the two sides of the connecting buckle 6 is conducive to improving the stability of the snap-on connection and the service life of the snap-on connection.

[0035] The tooth groove depth between the two rotation limiting teeth 5 is equal to the length dimension of the water cup connection buckle 6 in the vertical direction. By adopting the method that the tooth groove depth between the rotation limiting teeth 5 is equal to the length dimension of the water cup connection buckle 6 in the vertical direction, it is prevented that the tooth-shaped structure of the protective cover 3 is inserted too deeply into the water cup connection buckle 6, and a gap is prevented from appearing between the axial connection teeth 4 and the water cup connection buckle 6, resulting in a decrease in the connection stability between the protective cover 3 and the water cup 2, and an excessive amplitude between the protective cover 3 and the water cup 2 is prevented, which accelerates the wear of the first buckle connection part 10 of the axial connection teeth 4 and the water cup connection buckle 6, and prolongs the service life of the snap-on connection.

[0036] In the design of the rotation limiting teeth 5, chamfers are provided on both sides of the tooth top. This improvement makes it smoother for the water cup connection buckle 6 to be inserted between the rotation limiting teeth 5, thereby reducing the wear of the rotation limiting teeth 5 and the water cup connection buckle 6 during the connection process. This design not only improves the connection efficiency, but also further extends the service life of related components.

[0037] In order to cope with the frequent snap-fitting between the axial connecting teeth 4 and the water cup connecting buckle 6, an arc transition is adopted between the root tooth groove of the axial connecting teeth 4 and the adjacent tooth structure of the protective cover 3. This arc transition design not only optimizes the structure of the connecting teeth, but also significantly improves its fatigue resistance, thereby effectively avoiding the risk of fracture at the root of the axial connecting teeth 4.

[0038] The utility model adopts the above-mentioned arrangement to solve the problem that the drain cup 2 and the protective cover 3 of the drain cup 2 are provided with staggered reinforcing ribs in the prior art, and the staggered reinforcing ribs are used to prevent the drain cup 2 from rotating. The reinforcing rib structure is complex, the production and processing are difficult, and the production cost is high. At the same time, the reinforcing rib cannot play an axial connection role. The drain cup 2 needs to be provided with a thread to screw into the processor, and the protective cover 3 is tightened by interference fit. The connection method of the drain cup 2 is inconvenient, and the fixing reliability of the protective cover 3 is low. The utility model has the following beneficial effects: the protective cover 3 of the water cup 2 is connected to the water cup 2 by a toothed structure, the processing difficulty of the water cup 2 and the protective cover 3 is low, the number of reinforcing ribs in the protective cover 3 is reduced, and the production cost is reduced; the water cup 2 is provided with a water cup connecting buckle 6 connected to the protective cover 3 of the water cup 2, so as to improve the reliability of the connection between the water cup 2 and the protective cover 3; the water cup connecting buckle 6 can cooperate with the axial limiting teeth and the rotation limiting teeth 5 in the toothed structure of the protective cover 3 respectively to limit the axial direction and the rotation direction.

[0039] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can be modified and changed in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water cup protective cover connection structure of an air source processing element, characterized in that: The connection structure comprises a protective cover (3), a toothed structure and a water cup connection buckle (6); The toothed structure of the protective cover (3) is provided with axial connecting teeth (4) and rotation limiting teeth (5), and the width of the axial connecting teeth (4) is smaller than the width of the rotation limiting teeth (5); The connection buckle of the water cup (2) is in an inverted T shape, the connection buckle is buckled with the axial connection teeth (4), and the connection buckle is inserted between two rotation limiting teeth (5).

2. The water cup protective cover connection structure of the air source processing element according to claim 1, characterized in that: The connection structure also includes a connector (1) of the air source processing element, the toothed structure of the protective cover (3) is arranged on the upper edge of the protective cover (3) of the water cup (2), and the toothed structure of the protective cover (3) is inserted into a corresponding connection port (9) of the connector (1) of the air source processing element.

3. The water cup protective cover connection structure of the air source processing element according to claim 2, characterized in that: The cup mouth (8) of the water cup (2) is provided with a sealing groove (7), the sealing groove (7) is filled with a sealing ring, the water cup connecting buckle (6) is located at the lower edge of the sealing groove (7), and the water cup connecting buckle (6) protrudes from the outer surface of the cup wall.

4. The water cup protective cover connection structure of the air source processing element according to claim 3, characterized in that: The connection port (9) corresponding to the water cup (2) and the connector (1) of the air source processing element is a stepped connection port (9), the inner diameter of the connection port (9) close to the outside is larger than the inner diameter of the side away from the outside, and the cup mouth (8) of the water cup (2) and the sealing groove (7) are inserted into the smallest inner diameter section of the connection port (9).

5. A water cup protective cover connection structure of an air source processing element according to claim 2, 3 or 4, characterized in that: The axial connecting teeth (4) of the tooth-shaped structure of the protective cover (3) are provided with a first buckling portion (10), and the first buckling portion (10) buckles downwardly one side of the inverted T-shaped structure of the water cup connecting buckle (6).

6. The water cup protective cover connection structure of the air source processing element according to claim 5, characterized in that: The axial connecting teeth (4) in the toothed structure of the protective cover (3) can be arranged as a plurality of adjacent axial connecting teeth (4), the first buckling portions (10) of two adjacent axial connecting teeth (4) are opposite to each other, and the two first buckling portions (10) respectively buckle downwards on two sides of the inverted T-shaped structure of the connecting buckle of the water cup.

7. The water cup protective cover connection structure of the air source processing element according to claim 6, characterized in that: The tooth groove depth between the two rotation limiting teeth (5) is equal to the length dimension of the water cup connecting buckle (6) in the vertical direction.

8. The water cup protective cover connection structure of the air source processing element according to claim 7, characterized in that: Chamfers are provided on both sides of the tooth top of the rotation limiting tooth (5); the root tooth groove of the axial connection tooth (4) and the tooth structure of the adjacent protective cover (3) adopt an arc transition; the tooth groove is in the shape of an arc.

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