Anti-loosening atomizer connecting device

Abstract

The utility model relates to the technical field of medical instruments, and discloses an anti-loosening atomizer connecting device which comprises a connector assembly, a locking clamping sleeve and an atomizing pipe, a pipe connector of the atomizing pipe penetrates through the locking clamping sleeve to be firmly connected with the connector assembly, and the front end of a connector of the connector assembly is embedded into the pipe connector to be communicated with the atomizing pipe. Meanwhile, the pipe joint rotates by a certain angle after being inserted into the locking clamping sleeve, so that the buckle is hooked with the flange, and the buckle is firmly pressed against the inner side of the flange by using the top plate under the driving of the spring; according to the device, the problem that the atomization pipe is loosened due to pressure fluctuation under high oxygen flow is solved through the dual effects of a torsion locking structure and elastic force abutting, the reliability of atomization connection and the user experience are improved, rapid disassembly and assembly between the atomization pipe and the connector can be completed through simple insertion and torsion actions, use is convenient, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and particularly relates to an anti-loosening atomizer connection device. Background Art

[0002] Oxygen atomization inhalation is a kind of atomization inhalation therapy. It uses oxygen as the driving force to convert drugs into tiny particles, which enter the respiratory tract and lungs through breathing, so as to achieve the therapeutic purpose; using high-flow oxygen as the power source, the drugs are atomized into tiny particles quickly and evenly. However, in existing atomization devices, the high-speed airflow is likely to blow open the connecting pipe of the atomizer, which will have a certain impact on patients and clinical work.

[0003] In order to solve the above problems, a Chinese patent with the application number 2019202832710 proposed an anti-detachment atomizer joint on March 6, 2019, which includes a connecting head. The other end of the connecting head is fixedly connected with an inverted cone head. One end of the connecting head is provided with a sealing ring outside the retaining ring, and not less than two barbs are fixedly connected to the middle of the outside of the connecting head. One end of the retaining ring is fixedly connected with a second pipe joint, and the outside of the second pipe joint is fixedly connected with a first pipe joint.

[0004] A Chinese patent with the application number 2020220713318 proposed an anti-interface-slip atomization inhalation device on September 18, 2020, which includes an atomization mask, an atomization medicine cup, an oxygen generator and an atomization pipeline. When a patient undergoes atomization, as long as the oxygen generator and the atomization pipeline are screwed tightly, it can effectively avoid the pipeline loosening caused by a large oxygen flow rate and the noise generated by the accompanying loosening; the movable nozzle is connected to the atomization medicine cup, so there is no need to worry about losing the nozzle during cleaning and disinfection or use, thus effectively reducing unnecessary resource waste.

[0005] In the above, barbs and a sealing ring are arranged on the outside of the connecting head of the former. The barbs are embedded in the air outlet pipe of the oxygen device and fixed by mechanical buckles; the first pipe joint and the second pipe joint can be connected to two atomizers at the same time, which is suitable for multi-patient scenarios; however, this solution may cause difficulties in plugging and unplugging and is easily damaged when the atomizer is frequently replaced. The oxygen generator and the atomization pipeline of the latter are fixed by screwing to avoid loosening, but it cannot adapt to high-flow pressure. Simple screw fixation may still loosen due to pressure fluctuations under high oxygen flow rates (such as above 7 L / min). Summary of the Utility Model

[0006] The purpose of the present utility model is to overcome the deficiencies in the prior art and provide an anti-loosening atomizer connection device. The locking ferrule is installed on the joint assembly, and the pipe joint of the atomizing tube is connected to the locking ferrule through a torsion locking structure. At the same time, the pipe joint is sleeved on the connector of the joint assembly, and the pipe joint is firmly pressed and fixed in the locking ferrule through a spring and a pressing plate, ensuring the connection between the atomizing tube and the connector while preventing loosening during use, and improving the reliability of the atomizing connection and the user experience.

[0007] To achieve the above object, the technical solution adopted by the present utility model is as follows:

[0008] An anti-loosening atomizer connection device, comprising a joint assembly, a locking ferrule and an atomizing tube. The atomizing tube is connected to the joint assembly through a pipe joint, and a buckle protruding outward is provided on the pipe joint. The joint assembly includes a connector for being embedded in the pipe joint. A ring sleeve is provided on the outer side of the connector. An installation groove is opened inside the ring sleeve. A top plate is provided in the installation groove. A spring is provided on the side of the top plate opposite to the buckle, and the top plate is slidably sleeved on the connector.

[0009] The locking ferrule includes a sleeve body sleeved on the ring sleeve. A jack and a flanging edge folded into the jack are provided at the front end of the sleeve body. A card slot corresponding to the number and shape of the buckles is opened on the flanging edge, and the card slot communicates with the jack. When the buckle passes through the card slot and is twisted and misaligned relative to the card slot, the top plate pushes the buckle to closely adhere to the inner side of the flanging edge.

[0010] Optionally, an inner hole is provided inside the pipe joint. A through hole is opened on the top plate. The front end of the connector passes through the through hole and extends into the inner hole. Chamfers are opened on the opposite sides of the inner hole and the through hole. After the two chamfers are aligned, a sealing groove for installing a sealing ring is formed.

[0011] Optionally, a gap for accommodating the buckle is provided between the end face of the ring sleeve and the inner side face of the flanging edge, and the width of the gap is not less than the thickness of the buckle.

[0012] Optionally, a limiting block is fixedly provided on the inner side of the flanging edge, and the buckle abuts against the limiting block after passing through the card slot and rotating 90 degrees relative to the card slot.

[0013] Optionally, one end of the spring abuts against the bottom of the installation groove, and the other end abuts against the top plate. The outer diameter of the top plate is smaller than the inner diameter of the installation groove, and the thickness of the top plate is greater than the width of the gap.

[0014] Optionally, after the ring sleeve is embedded in the sleeve body, the front end of the connector extends through the plug hole to the outside of the locking sleeve.

[0015] Optionally, an anti-slip nut is fixedly mounted on the outer side of the ring sleeve, and the rear end of the sleeve body abuts against the side surface of the anti-slip nut.

[0016] Optionally, the connector, the ring sleeve and the anti-slip nut are of an integrally formed structure, and the sleeve body, the retaining edge and the limiting block are of an integrally formed structure.

[0017] Optionally, the atomizer tube includes a tube body, a terminal end of the tube body is connected to the tube joint, and the tube joint, the tube body and the buckle are formed in an integrally formed structure.

[0018] Optionally, two buckles are provided, and the two buckles are relatively distributed on the outer side surface of the pipe joint.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] (1) In the present invention, the front end of the connector is embedded in the pipe joint and connected to the atomizer pipe. At the same time, the pipe joint is inserted into the locking sleeve and rotated at a certain angle, so that the buckle is hooked with the retaining edge, and the buckle is firmly pressed against the inner side of the retaining edge by the top plate under the drive of the spring; the device solves the problem of loosening of the atomizer pipe caused by pressure fluctuation under high oxygen flow rate through the dual effects of twisting locking structure and elastic force pressing, improves the reliability of atomizer connection and user experience, and completes the quick disassembly and assembly between the atomizer pipe and the connector through simple insertion and twisting actions, which is convenient to use and efficient;

[0021] (2) In the present invention, the sealing of the connection of the atomizing pipe can be ensured by the sealing ring between the top plate and the pipe joint. The sealing groove is composed of two opposite chamfered joints. The sealing ring can achieve the sealing effect between the top plate, the pipe joint and the connector. In addition, the structure is simple and easy to disassemble and assemble, which facilitates the replacement of the sealing ring at a later time.

[0022] (3) In the present invention, the limit block can ensure the unidirectional rotation of the buckle and limit its maximum torsion angle. When the buckle is rotated 90 degrees, the contact area with the retaining edge is the largest. At this position, the buckle is fixed by elastic extrusion, which can ensure that the connection between the atomizer tube and the connector is more stable and reliable.

[0023] (4) In the present invention, the thickness of the top plate is greater than the gap width between the ring sleeve and the rib. Even if one end of the top plate fits against the rib, the other end can be in the installation groove, thus avoiding interference between the top plate and the end of the ring sleeve, thereby improving the stability of the reciprocating sliding of the top plate and the reliability of the device.

[0024] In the present utility model, the front end of the connector extends to the outside of the locking ferrule, which can provide guidance for the insertion between the pipe joint and the connector, and at the same time reduce the difficulty of aligning the buckle and the slot, improving the connection efficiency between the atomizing pipe and the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is an exploded structural schematic diagram of the anti-loosening atomizer connection device in an embodiment of the present utility model;

[0026] Figure 2 FIG. is a structural schematic diagram of the anti-loosening atomizer connection device in an embodiment of the present utility model;

[0027] Figure 3 FIG. is an internal structural schematic diagram of the anti-loosening atomizer connection device in an embodiment of the present utility model;

[0028] Figure 4 FIG. is a structural schematic diagram of the locking ferrule in an embodiment of the present utility model;

[0029] Figure 5 FIG. is an internal structural schematic diagram of the joint assembly in an embodiment of the present utility model;

[0030] Figure 6 FIG. is a positional structural schematic diagram of the buckle and the slot in an embodiment of the present utility model;

[0031] Figure 7 FIG. is a structural schematic diagram of the plug body and the connecting pipe in an embodiment of the present utility model;

[0032] Among them, 1. Joint assembly; 101. Connector; 102. Ring sleeve; 103. Installation groove; 104. Anti-slip nut;

[0033] 2. Locking ferrule; 201. Sleeve body; 202. Flange; 203. Slot; 204. Limiting block;

[0034] 3. Atomizing pipe; 301. Pipe joint; 302. Buckle; 303. Pipe body;

[0035] 4. Spring; 5. Top plate; 6. Sealing ring; 7. Oxygen generator; 8. Plug body; 9. Connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] Now, the present utility model will be further described in detail with reference to the drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0037] Such as Figure 1 , Figure 2 and Figure 3As shown in the figure, an anti-loosening atomizer connection device includes a joint assembly 1, a locking ferrule 2, and an atomizing tube 3. One end of the joint assembly 1 is connected to the oxygen meter interface, and the other end is connected to the atomizing tube 3. One end of the atomizing tube 3 passes through the locking ferrule 2 to achieve a firm connection with the joint assembly 1, and the other end is connected to an atomizing mask through a connection device. The kinetic energy of the oxygen flow shatters the liquid medicine into tiny droplets and transports them to the mask through the air flow for the patient to inhale.

[0038] As described above, the atomizing tube 3 includes a tube body 303. A tube joint 301 is provided at the end of the tube body 303. A buckle 302 protruding outward is provided on the tube joint 301. The buckle 302 is in a sheet-like structure, and the tube joint 301, the tube body 303, and the buckle 302 are of an integrally formed structure, which can not only facilitate production and manufacturing but also improve the connection strength and reliability between components.

[0039] Among them, the atomizing tube 3 is connected to the joint assembly 1 through the tube joint 301, and the inside of the tube joint 301 has an inner hole to facilitate the corresponding part of the joint assembly 1 to be inserted.

[0040] The joint assembly 1 includes a connector 101. A collar 102 is provided on the outside of the connector 101. The connector 101 passes through the middle of the collar 102, that is, the collar 102 is sleeved on the connector 101, and the front end of the connector 101 can be inserted into the inner hole of the tube joint 301 in cooperation, and the rear end of the connector 101 is fixedly connected to the oxygen meter interface.

[0041] An installation groove 103 is opened inside the collar 102. A top plate 5 is provided in the installation groove 103. A spring 4 is provided on the side of the top plate 5 opposite to the buckle 302, and a through hole is opened on the top plate 5. The front end of the connector 101 passes through the through hole and extends into the inner hole.

[0042] The spring 4 here is always in a compressed state. One end of the spring 4 abuts against the bottom of the installation groove 103, and the other end abuts against the top plate 5. The spring 4 and the top plate 5 are both sleeved on the connector 101. The outer diameter of the top plate 5 is smaller than the inner diameter of the installation groove 103 to facilitate reciprocating sliding along the axis direction of the connector 101 under the driving force of the spring 4.

[0043] In order to improve the disassembly and assembly efficiency between the joint assembly 1 and the oxygen meter interface, the rear part of the connector 101 and the oxygen meter interface are usually connected by thread fastening. And in order to facilitate the rotation of the connector 101, an anti-slip nut 104 is fixedly installed on the outside of the collar 102. Through the anti-slip nut 104, the rotational friction force in contact with the joint assembly 1 can be increased, making it more convenient and fast to rotate the joint assembly 1.

[0044] Among them, the connecting head 101, the loop 102 and the anti-slip nut 104 adopt an integrally formed structure. While facilitating production and manufacturing, it can also ensure the reliability and strength of the connection between the connecting head 101, the loop 102 and the anti-slip nut 104.

[0045] As Figure 3 shown, the locking ferrule 2 includes a sleeve body 201. A jack and a flanging 202 folded into the jack are provided at the front end of the sleeve body 201. A card slot 203 corresponding to the number and shape of the buckles 302 is formed on the flanging 202, and the card slot 203 communicates with the jack (the jack is the circular dotted line shown in Figure 4 , and is the part where the connecting head 101 passes through as shown in Figure 5 ).

[0046] Among them, the sleeve body 201 is sleeved on the loop 102, and the rear end of the sleeve body 201 abuts against the side surface of the anti-slip nut 104. A fastening connection can be achieved between the sleeve body 201 and the loop 102 by means of threaded connection or the like.

[0047] After the rear end of the sleeve body 201 abuts against the side surface of the anti-slip nut 104, there is a gap for accommodating the buckle 302 between the front end face of the loop 102 and the inner side surface of the flanging 202. The width of the gap is not less than the thickness of the buckle 302, and the outer diameter of the buckle 302 is less than the inner diameter of the sleeve body 201, so as to ensure that the buckle 302 can enter the locking ferrule 2 as a whole and can rotate a certain angle around the axis of the connecting head 101 inside it to achieve torsional locking.

[0048] Specifically, when the buckle 302 passes through the card slot 203 and is twisted out of position relative to the card slot 203, the top plate 5 pushes the buckle 302 to closely adhere to the inner side of the flanging 202. Through the dual actions of the torsional locking structure and the elastic pressing, the problem of the atomizing tube 3 becoming loose due to pressure fluctuations under high oxygen flow is solved, the reliability of the atomizing connection and the user experience are improved, and rapid disassembly and assembly can be achieved, which is convenient to use and has high efficiency.

[0049] Furthermore, a limiting block 204 (as shown in Figure 4 ) is fixedly arranged on the inner side of the flanging 202. The limiting block 204 is located on the rotation path of the buckle 302 and is used to limit its rotation range to ensure a better contact surface between the buckle 302 and the flanging 202.

[0050] As Figure 5 and Figure 6 shown, the buckle 302 passes through the card slot 203 and rotates 90 degrees relative to the card slot 203 and then abuts against the limiting block 204. When the buckle 302 rotates 90 degrees, the contact area with the flanging 202 is the largest. Fixing by elastic extrusion at this position can ensure higher stability and reliability of the connection between the atomizing tube 3 and the connecting head 101.

[0051] Among them, the limiting block 204 can also limit the one-way rotation of the pipe joint 301; the limiting block 204 adopts a triangular-like structure, and fillets are provided at the corners; and after the limiting block 204 rotates 90 degrees, the side of the buckle 302 fits with the longest side of the limiting block 204.

[0052] In Figure 6 , the upper left, upper right, and lower right figures sequentially show schematic diagrams of the buckle 302 passing through the card slot 203 from front to back, rotating clockwise, and abutting against the limiting block 204 after rotating 90 degrees.

[0053] Taking the lower right figure as an example, when the limiting block 204 is distributed at the lower left or upper right position of the buckle 302, it can limit the pipe joint 301 to complete locking after rotating 90 degrees clockwise (viewed from front to back), which is more in line with people's usage habits, that is, tightening clockwise and loosening counterclockwise.

[0054] In contrast, when the limiting block 204 is distributed at the upper left or lower right position of the buckle 302, it can limit the pipe joint 301 to rotate counterclockwise to lock and rotate clockwise to loosen.

[0055] In order to simplify the manufacturing process of the locking sleeve 2 and improve the connection strength between components, the sleeve body 201, the edge 202, and the limiting block 204 adopt an integrally formed structure.

[0056] In addition, in order to improve the connection strength between the pipe joint 301 and the locking sleeve 2, two buckles 302 are provided, and the two buckles 302 are relatively distributed on the outer side surface of the pipe joint 301. Correspondingly, two card slots 203 are also provided, which are relatively distributed on both sides of the jack; and two limiting blocks 204 are also relatively provided. Even if one of the limiting blocks 204 is damaged, the other can still play a normal limiting role, greatly improving the durability of the device.

[0057] As Figure 3 and Figure 5 shown, chamfers are provided on the opposite sides of the inner hole and the through hole, and the two chamfers are combined to form a sealing groove for installing the sealing ring 6. The sealing ring 6 between the top plate 5 and the pipe joint 301 can ensure the sealing of the connection of the atomizing pipe 3. The sealing groove is composed of two opposite chamfers butt-jointed, and with the cooperation of the sealing ring 6, the sealing effect between the top plate 5, the pipe joint 301, and the connecting head 101 can be achieved, and its structure is simple, easy to disassemble and assemble, and convenient for replacing the sealing ring 6 in the later stage.

[0058] The thickness of the top plate 5 is greater than the gap width between the ring sleeve 102 and the edge 202. Even if one end of the top plate 5 fits with the edge 202, the other end is located in the installation groove 103, avoiding interference between the top plate 5 and the end of the ring sleeve 102. This structure improves the stability of the reciprocating sliding of the top plate 5 and the reliability of the device.

[0059] After the loop 102 is inserted into the sleeve body 201, the front end of the connector 101 passes through the jack and extends to the outside of the locking ferrule 2. This structure can provide guidance for the insertion between the pipe connector 301 and the connector 101, while reducing the difficulty of aligning the buckle 302 and the slot 203, and improving the connection efficiency between the atomizing tube 3 and the connector 101.

[0060] Assembly process of the atomizer connection device:

[0061] The joint assembly 1, the locking ferrule 2 and the atomizing tube 3 are respectively of an integral structure. First, insert the rear end of the connector 101 into the oxygen meter interface, then sleeved the spring 4 onto the connector 101 from front to back and push it into the installation groove 103, then sleeve the top plate 5 onto the connector 101 and make it abut against the spring 4, and then screw and sleeve the locking ferrule 2 onto the front end of the loop 102; during this process, the front end of the connector 101 passes through the jack and extends to the outside of the locking ferrule 2, the top plate 5 contacts the edge 202 and compresses the spring 4 as the sleeve body 201 is screwed in to make it have a certain elastic deformation, ensuring that in the initial state, the top plate 5 abuts against the inside of the edge 202 to block the slot 203 (as Figure 5 shown);

[0062] Insert the sealing ring 6 onto the front part of the connector 101. The pipe connector 301 of the atomizing tube 3 is sleeved on the connector 101 through the inner hole, pushed forward from front to back, and align the buckle 302 with the slot 203 to ensure that the buckle 302 can pass through the slot 203 with the front end of the pipe connector 301 and enter the gap between the loop 102 and the edge 202. Then rotate the pipe connector 301 clockwise by 90 degrees so that the side of the buckle 302 abuts against the limiting block 204; during this process, the sealing ring 6 is pushed and extruded by the pipe connector 301 into the sealing groove, and the top plate 5 firmly presses the buckle 302 against the inner side of the edge 202 under the action of the spring 4 (as Figure 3 shown).

[0063] Similarly, the atomizing tube 3 and the atomizing mask can also be inserted and installed through the connection device.

[0064] Working principle of the atomizer connection device:

[0065] During the process that the pipe connector 301 passes through the jack and enters the sleeve body 201, it pushes the top plate 5 to move backward and further compresses the spring 4 to store greater elastic force. After the buckle 302 passes through the slot 203 and enters the gap and turns 90 degrees, the buckle 302 is hooked to the edge 202, realizing the torsional locking; then release the pipe connector 301. Under the action of the elastic force of the spring 4, the top plate 5 firmly presses the buckle 302 against the inside of the edge 202, preventing it from being distorted and deformed due to pressure fluctuations and detaching from the locking ferrule 2, thereby ensuring the reliability and stability of the insertion between the atomizing tube 3 and the connector 101, and enabling it to be applied to the pipeline connection under high-flow pressure.

[0066] In the existing technology, the connecting pipe 9 is connected to the oxygen generator 7 through the plug body 8. Here, the connecting pipe 9 is equivalent to the atomizing pipe 3, the plug body 8 is equivalent to the joint assembly 1, and the oxygen generator 7 is equivalent to the oxygen meter in the previous text.

[0067] As Figure 7 shown, the rear end of the plug body 8 is screwed and embedded into the oxygen generator 7. The front end of the plug body 8 adopts a multi-layered frustum structure, and the inner contour of the end of the connecting pipe 9 is adapted to the multi-layered frustum structure; when the connecting pipe 9 is sleeved on the plug body 8, the multi-layered conical surface is in close contact with the inner wall of the end of the connecting pipe 9, forming a multiple radial extrusion seal. However, the connection strength of this structure is low, and when the oxygen flow rate (such as above 7 L / min) is relatively high, it is easily washed off.

[0068] Compared with this, the atomizer connection device proposed by the present utility model can not only achieve sealing, but also prevent it from becoming loose during use. Moreover, the plugging and unplugging of this device is simple, the operation is convenient, the later maintenance efficiency is high, and it can adapt to the situation of frequent replacement of the atomizer.

[0069] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0070] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0071] Based on the inspiration of the ideal embodiments of the present utility model, through the above description, relevant personnel can completely make various changes and modifications without departing from the technical idea of the present utility model. The technical scope of the present utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. An anti-loosening atomizer connection device, characterized in that: It includes a joint assembly (1), a locking ferrule (2) and an atomizing tube (3). The atomizing tube (3) is connected to the joint assembly (1) through a pipe joint (301), and a buckle (302) protruding outward is provided on the pipe joint (301). The joint assembly (1) includes a connector (101) for being embedded into the pipe joint (301). An annular sleeve (102) is provided on the outer side of the connector (101). An installation groove (103) is formed inside the annular sleeve (102). A top plate (5) is arranged in the installation groove (103). A spring (4) is arranged on the side of the top plate (5) opposite to the buckle (302), and the top plate (5) is slidably sleeved on the connector (101). The locking ferrule (2) includes a sleeve body (201) sleeved on the annular sleeve (102). A jack and a flange (202) folded inward into the jack are provided at the front end of the sleeve body (201). A clamping groove (203) corresponding to the number and shape of the buckles (302) is formed on the flange (202), and the clamping groove (203) communicates with the jack. When the buckle (302) passes through the clamping groove (203) and is twisted and misaligned relative to the clamping groove (203), the top plate (5) pushes the buckle (302) to closely adhere to the inner side of the flange (202).

2. The anti-loosening atomizer connection device according to claim 1, characterized in that: The inside of the pipe joint (301) has an inner hole. A through hole is formed on the top plate (5). The front end of the connector (101) passes through the through hole and extends into the inner hole. Chamfers are formed on the opposite sides of the inner hole and the through hole. The two chamfers are aligned to form a sealing groove for installing a sealing ring (6).

3. The anti-loosening atomizer connection device according to claim 1, wherein: A gap for accommodating the buckle (302) is provided between the end face of the annular sleeve (102) and the inner side face of the flange (202), and the width of the gap is not less than the thickness of the buckle (302).

4. The anti-loosening atomizer connection device according to claim 3, characterized in that: A limiting block (204) is fixedly arranged on the inner side of the flange (202). After the buckle (302) passes through the clamping groove (203) and rotates 90 degrees relative to the clamping groove (203), it abuts against the limiting block (204).

5. The anti-loosening atomizer connection device according to claim 3, characterized in that: One end of the spring (4) abuts against the bottom of the installation groove (103), and the other end abuts against the top plate (5). The outer diameter of the top plate (5) is smaller than the inner diameter of the installation groove (103), and the thickness of the top plate (5) is greater than the width of the gap.

6. The anti-loosening atomizer connection device according to claim 1, wherein: After the annular sleeve (102) is embedded into the sleeve body (201), the front end of the connector (101) passes through the jack and extends to the outside of the locking ferrule (2).

7. The anti-loosening atomizer connecting device according to claim 4, wherein: An anti-slip nut (104) is fixedly installed on the outer side of the annular sleeve (102), and the rear end of the sleeve body (201) abuts against the side face of the anti-slip nut (104).

8. The anti-loosening atomizer connection device according to claim 7, characterized in that: The connector (101), the annular sleeve (102) and the anti-slip nut (104) adopt an integrally formed structure, and the sleeve body (201), the flange (202) and the limiting block (204) adopt an integrally formed structure.

9. The anti-loosening atomizer connection device according to claim 1, characterized in that: The atomizing tube (3) includes a tube body (303), the end of the tube body (303) is connected to the tube joint (301), and the tube joint (301), the tube body (303) and the buckle (302) are of an integrally formed structure.

10. The anti-loosening atomizer connection device according to any one of claims 1-9, characterized in that: There are two buckles (302), and the two buckles (302) are distributed oppositely on the outer side surface of the tube joint (301).

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