Waterproof SMA antenna connector and SMA antenna

Abstract

The utility model relates to a waterproof SMA antenna joint and an SMA antenna. The waterproof SMA antenna joint comprises a connector male head assembly used for being connected with a shell and a connector female head assembly used for being connected with an antenna feeder. The connector male head assembly comprises a male head main body, a locking nut in threaded connection with the male head main body, and a first sealing ring. The connector female head assembly comprises a female head body and a waterproof sealing sleeve arranged outside the female head body in a sleeving mode. When the connector male head assembly is connected with the connector female head assembly, the female head main body and the male head main body are in coaxial threaded connection, and the end part of the waterproof sealing sleeve is in sealed connection with the outer side of the locking nut in a mutually nested manner. The first sealing ring is detachably arranged at the end, away from the female head body, of the locking nut. The SMA waterproof type SMA antenna connector provided by the utility model has an excellent waterproof grade, and can effectively ensure the use safety and reliability of an SMA antenna adopting the SMA waterproof type SMA antenna connector provided by the utility model.

Description

Technical Field

[0001] The utility model relates to the field of antennas, in particular to a waterproof SMA antenna connector and an SMA antenna. Background Art

[0002] At present, antennas and devices on the market mainly use SMA antenna connectors for communication. If the device needs to work in a water environment for a long time, the SMA antenna connectors on the market cannot meet the needs, because SMA antenna connectors cannot be effectively waterproof in water. When the SMA antenna connector is flooded, it will cause the antenna to short-circuit, thereby affecting the antenna signal strength, resulting in a shortened antenna communication distance, which seriously affects product performance; in addition, SMA connectors are prone to oxidation in a water environment for a long time, which also affects the service life of the equipment; Utility Model Content

[0003] The utility model aims to provide a waterproof SMA antenna connector and an SMA antenna.

[0004] In order to achieve the above-mentioned utility model object, the utility model provides a waterproof SMA antenna connector, including: a connector male head component for connecting to a housing and a connector female head component for connecting to an antenna feeder;

[0005] The connector male assembly comprises: a male body, a locking nut threadedly connected to the male body, and a first sealing ring;

[0006] The connector female head assembly comprises: a female head body, and a waterproof sealing sleeve sleeved outside the female head body;

[0007] When the connector male assembly is connected to the connector female assembly, the female body and the male body are coaxially threadedly connected, and the end of the waterproof sealing sleeve is nested with the outer side of the locking nut in a sealing connection;

[0008] The first sealing ring is detachably arranged at an end of the locking nut away from the female head body.

[0009] According to one aspect of the utility model, when the connector male assembly is connected to the connector female assembly, the end of the female body and the end of the locking nut are nested with each other.

[0010] According to one aspect of the utility model, the locking nut comprises: a nut body;

[0011] The nut body is a hollow annular structure as a whole, with a thread for connecting with the male head body arranged inside, and a plurality of first fitting sealing grooves for matching with the waterproof sealing sleeve arranged outside;

[0012] The end of the nut body opposite to the female head body is provided with a first engaging groove for matching with the end of the female head body;

[0013] A plurality of first fitting sealing grooves are arranged at intervals along the axial direction of the nut body.

[0014] According to one aspect of the utility model, the extension direction of the first engaging sealing groove is inclined relative to the axial direction of the nut body;

[0015] The opening of the first engaging sealing groove on the side surface of the nut body is adjacent to an end of the nut body away from the female head body.

[0016] According to one aspect of the utility model, the waterproof sealing sleeve comprises: a first connecting portion, an intermediate connecting portion and a second connecting portion which are coaxially arranged in sequence;

[0017] The first connecting portion, the middle connecting portion and the second connecting portion are all in an annular structure;

[0018] A plurality of first annular protrusions are arranged at intervals on the inner side of the first connecting portion along the axial direction of the first connecting portion;

[0019] A plurality of second annular protrusions are arranged at intervals on the inner side of the second connecting portion along the axial direction of the second connecting portion;

[0020] The second annular protrusion is matched with the first engaging sealing groove, and the second connecting portion is interference fit with the nut body.

[0021] According to one aspect of the utility model, a plurality of third annular protrusions are arranged at intervals on the outer surface of the waterproof sealing sleeve along the axial direction of the waterproof sealing sleeve;

[0022] The third annular protrusion is respectively provided at one end of the first connecting part away from the middle connecting part, the position where the first connecting part and the middle connecting part are connected, the position where the middle connecting part and the second connecting part are connected, and one end of the second connecting part away from the middle connecting part;

[0023] The third annular protrusion disposed at the position where the first connecting portion and the middle connecting portion are connected is disposed opposite to one of the first annular protrusions disposed on the inner side of the first connecting portion.

[0024] According to one aspect of the utility model, the first sealing ring and the end of the locking nut are mutually embedded;

[0025] A second sealing ring is arranged at the position where the female head body is connected to the male head body.

[0026] According to one aspect of the utility model, the waterproof sealing sleeve is an elastic rubber sleeve.

[0027] In order to achieve the above utility model object, the utility model provides an SMA antenna using the aforementioned waterproof SMA antenna connector, comprising: an antenna feeder and an SMA antenna connector;

[0028] The SMA antenna connector includes: a connector male component for connecting to a housing and a connector female component for connecting to an antenna feeder;

[0029] The connector male assembly comprises: a male body, a locking nut threadedly connected to the male body, and a first sealing ring;

[0030] The connector female head assembly comprises: a female head body, and a waterproof sealing sleeve sleeved outside the female head body;

[0031] When the connector male assembly is connected to the connector female assembly, the female body and the male body are coaxially threadedly connected, and the end of the waterproof sealing sleeve is nested with the outer side of the locking nut in a sealing connection;

[0032] The first sealing ring is detachably arranged at an end of the locking nut away from the female head body;

[0033] One end of the waterproof sealing sleeve away from the locking nut is nested and sealedly connected with the antenna feeder.

[0034] According to a scheme of the utility model, the waterproof grade of the SMA waterproof SMA antenna connector of the utility model can reach IP68, and it can be immersed in 1.5M deep water for a long time and work normally (without water ingress). Since it is effectively isolated from water, the SMA antenna connector is not easy to oxidize, and the equipment can work normally in a humid or long-term water-containing complex environment, thereby effectively ensuring the life and performance of the equipment.

[0035] According to a solution of the utility model, the end of the female head body and the end of the locking nut are nested with each other, which can not only ensure the accurate connection between the female head body and the male head body, but also form a mechanical seal at the connection position by the mutual nesting, thereby improving the sealing of the connection position.

[0036] According to a solution of the utility model, further sealing between the locking nut and the abutment position of the shell can be achieved through the first sealing ring, which effectively improves the sealing of the connection position, thereby effectively avoiding the infiltration of external moisture and ensuring the safety of the components in the shell.

[0037] According to a solution of the utility model, the first engaging sealing groove can be used to more conveniently achieve an engaging connection with the waterproof sealing sleeve, so that the engaging position has more reliable connection stability and waterproof sealing performance.

[0038] According to a scheme of the utility model, a first engaging groove is provided at the end of the nut body to facilitate the insertion and engagement of the female head body, so as to achieve reliable engaging connection. In addition, the depth of the first engaging groove can be set to achieve abutment between the first engaging groove and the end of the female head body, thereby effectively ensuring reliable and stable abutment, which is beneficial to ensuring the sealing of the connection position.

[0039] According to a scheme of the utility model, by setting the second connecting part to be in an interference fit with the nut body, the second connecting part can have a more reliable covering force on the nut body. On the one hand, the second connecting part can be more tightly connected to the nut body. On the other hand, a more reliable pre-tightening force can be provided for the mating position of the second annular protrusion and the first mating sealing groove, so that the mating position can be more tightly matched and the sealing of the mating position can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 is an exploded view schematically showing a waterproof SMA antenna connector according to an embodiment of the present utility model;

[0041] Figure 2 Schematically shows a cross-sectional view of a waterproof SMA antenna connector according to an embodiment of the present invention. DETAILED DESCRIPTION

[0042] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the drawings required for the implementation are briefly introduced below. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0043] When describing the embodiments of the present invention, the orientation or positional relationship expressed by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or positional relationship shown in the relevant drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.

[0044] The present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. The implementation methods cannot be described one by one here, but the implementation methods of the present invention are not therefore limited to the following implementation methods.

[0045] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the utility model, a waterproof SMA antenna connector of the utility model includes: a connector male component 1 and a connector female component 2; in this embodiment, the connector male component 1 is used to connect with the shell A to achieve fixed installation of the connector male component 1, and the connector female component 2 is used to connect with the antenna feeder a to achieve connection between the antenna feeder a and the components in the shell A through the connection between the connector female component 2 and the connector male component 1.

[0046] In this embodiment, the connector male head component 1 includes: a male head body 11, a locking nut 12 threadedly connected to the male head body 11, and a first sealing ring 13; in this embodiment, the male head body 11 passes through the shell A, wherein a limiting protrusion can be set at the end of the male head body 11, and then, the male head body 11 can be fixed on the shell A by locking the locking nut 12, so as to realize convenient installation of the connector male head component 1, and effectively improve the installation flexibility of the connector male head component 1.

[0047] In this embodiment, the connector female head assembly 2 includes: a female head body 21, and a waterproof sealing sleeve 22 sleeved on the outside of the female head body 21; wherein the female head body 21 is connected to the antenna feeder line a, and the waterproof sealing sleeve 22 can be connected to the antenna feeder line a, and then the waterproof sealing sleeve 22 can be moved along the antenna feeder line a to facilitate the connection between the female head body 21 and the male head body 11 so that the waterproof sealing sleeve 22 can be sleeved on the locking nut 12.

[0048] In this embodiment, when the connector male component 1 is connected to the connector female component 2, the female body 21 and the male body 11 are coaxially threadedly connected, and the end of the waterproof sealing sleeve 22 is mutually nested and sealed with the outer side of the locking nut 12. In this embodiment, the waterproof sealing sleeve 22 is used to surround the locking nut 12 so that the locking nut 12 is completely covered to achieve a corresponding sealing effect.

[0049] Combination Figure 1 and Figure 2As shown, according to an embodiment of the present invention, when the connector male assembly 1 is connected to the connector female assembly 2, the end of the female body 21 and the end of the locking nut 12 are mutually nested. Through the above arrangement, the end of the female body 21 and the end of the locking nut 12 are mutually nested, which can not only ensure the accurate connection between the female body 21 and the male body 11, but also form a mechanical seal at the connection position by mutual nesting, thereby improving the sealing of the connection position.

[0050] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the present invention, the first sealing ring 13 is detachably arranged at the end of the locking nut 12 away from the female head body 21, wherein the first sealing ring 13 can be a rubber sealing ring, and its cross section can be set to be circular or rectangular. The first sealing ring 13 can be further sealed between the locking nut 12 and the abutting position of the housing A, effectively improving the sealing of the connection position, thereby effectively avoiding the infiltration of external moisture and ensuring the safety of the components in the housing A.

[0051] Combination Figure 1 and Figure 2 As shown, according to one embodiment of the utility model, the locking nut 12 includes: a nut body 121; wherein the nut body 121 is a hollow annular structure as a whole, and is provided with a thread for connecting with the male head body 11 inside, and is provided with a plurality of first engaging sealing grooves 121a for matching with the waterproof sealing sleeve 22 outside; wherein the first engaging sealing groove 121a is an annular groove arranged along the nut body 121, and along the axial direction of the nut body 121, a plurality of first engaging sealing grooves 121a are arranged at intervals.

[0052] The first engaging sealing groove 121 a can be more conveniently engaged with the waterproof sealing sleeve 22 to provide a more reliable connection stability and waterproof sealing performance at the engaging position.

[0053] In this embodiment, the end of the nut body 121 opposite to the female body 21 is provided with a first engaging groove 121b for matching with the end of the female body 21; wherein the first engaging groove 121b is an annular groove provided on the end face of the nut body 121. In this embodiment, the first engaging groove 121b can be provided as an annular groove with a rectangular cross section, or as an annular groove with a trapezoidal or triangular cross section. Of course, in another embodiment, the radial side of the provided first engaging groove 121b can be connected to the hollow part of the nut body 121, so that the female body 21 can be inserted more easily, so as to facilitate the mutual engagement.

[0054] Through the above-mentioned configuration, by setting the first engaging groove 121b at the end of the nut body 121, it is convenient for the female head body 21 to be inserted and engaged, so as to realize the reliability of the engaging connection. In addition, the depth of the first engaging groove 121b can be set to achieve the abutment between the first engaging groove 121b and the end of the female head body 21, thereby effectively ensuring the reliable and stable abutment, which is beneficial to ensuring the sealing of the connection position.

[0055] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the present invention, the extension direction of the first engaging sealing groove 121a is inclined relative to the axial direction of the nut body 121; wherein, the opening of the first engaging sealing groove 121a on the side of the nut body 121 is adjacent to the end of the nut body 121 away from the female head body 21. In this embodiment, the cross-sectional shape of the first engaging sealing groove 121a can be set to a trapezoidal structure, so that when the first engaging sealing groove 121a is engaged with the waterproof sealing sleeve 22, the first engaging sealing groove 121a is closely matched with other structures, so as to make the sealing of the connection position better.

[0056] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the utility model, the waterproof sealing sleeve 22 includes: a first connecting part 221, an intermediate connecting part 222 and a second connecting part 223 which are coaxially arranged in sequence; in the present embodiment, the first connecting part 221, the intermediate connecting part 222 and the second connecting part 223 are all annular structures; wherein, along the axial direction of the first connecting part 221, a plurality of first annular protrusions 221a are arranged at intervals on the inner side of the first connecting part 221; for example, the first annular protrusions 221a can be provided in two, which are respectively provided at the axial ends of the inner side of the first connecting part 221, so as to ensure a close fit with the antenna feed line a at the end position, thereby achieving an excellent waterproof effect. Of course, the first annular protrusion 221a can also be set to three, four or other numbers, wherein two first annular protrusions 221a are respectively arranged at the two axial ends of the inner side of the first connecting part 221, and the remaining first annular protrusions 221a are between the two first annular protrusions 221a arranged at the end, so that there are more connection positions between the inner side of the first connecting part 221 and the antenna feeder line a to increase the sealing performance.

[0057] In this embodiment, along the axial direction of the second connection part 223, a plurality of second annular protrusions 223a are arranged at intervals on the inner side of the second connection part 223. The second annular protrusions 223a are arranged to match the first interlocking seal groove 121a, and the second connection part 223 is arranged to be interference-fitted with the nut body 121. In this embodiment, the cross-sectional shape of the second annular protrusion 223a is arranged to match the cross-sectional shape of the first interlocking seal groove 121a, and the second annular protrusion 223a can be interlocked with the first interlocking seal groove 121a in an interference-fit manner to ensure a tight and reliable connection position.

[0058] In this embodiment, the radial dimension of the waterproof sealing sleeve 22 is increased along the direction from the first connecting part 221 to the middle connecting part 222, wherein, along the radial direction of the middle connecting part 222, there is a spacing between the inner side wall of the middle connecting part 222 and the female head body 21, so that the middle connecting part 222 surrounds the female head body 21 without interference, so as to ensure the stable connection between the female head body 21 and the male head body 11.

[0059] Through the above-mentioned arrangement, by setting the second connecting part 223 to be in an interference fit with the nut body 121, the second connecting part 223 can have a more reliable covering force on the nut body 121. On the one hand, the second connecting part 223 can be more tightly connected to the nut body 121. On the other hand, a more reliable pre-tightening force can be provided for the mating position of the second annular protrusion 223a and the first mating sealing groove 121a, so as to make the fit of the mating position tighter and improve the sealing of the mating position.

[0060] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the utility model, a plurality of third annular protrusions 224 are arranged at intervals on the outer surface of the waterproof sealing sleeve 22 along the axial direction of the waterproof sealing sleeve 22; wherein the third annular protrusions 224 can be set to four, specifically, the end of the first connecting part 221 away from the middle connecting part 222, the position where the first connecting part 221 and the middle connecting part 222 are connected, the position where the middle connecting part 222 and the second connecting part 223 are connected, and the end of the second connecting part 223 away from the middle connecting part 222 are respectively provided with third annular protrusions 224.

[0061] Through the above arrangement, by arranging the third annular protrusion 224 on the outer side of the waterproof sealing sleeve 22, a reinforcement structure can be formed on the outer side of the waterproof sealing sleeve 22 and the locking force can be increased, so that the structure of the waterproof sealing sleeve 22 is more reliable, so as to achieve a stable protection effect on the internal structure. In addition, by arranging the third annular protrusion 224 at the position where the first connecting part 221 and the middle connecting part 222 are connected, and at the position where the middle connecting part 222 and the second connecting part 223 are connected, the opposite ends of the middle connecting part 222 can be effectively strengthened and the locking force can be increased, so that it can achieve a more reliable protection effect on the internal structure, and at the same time, it can further ensure the waterproof sealing effect of the first connecting part 221 and the second connecting part 223 at the position where they are connected to the middle connecting part 222.

[0062] In this embodiment, the third annular protrusion 224 disposed at the position where the first connecting portion 221 and the middle connecting portion 222 are connected is disposed opposite to a first annular protrusion 221 a disposed inside the first connecting portion 221 .

[0063] Through the above-mentioned arrangement, by relatively arranging the third annular protrusion 224 and the first annular protrusion 221a at the position where the first connecting part 221 and the middle connecting part 222 are connected, the structural strength and locking force of the position can be further effectively increased. At the same time, the first annular protrusion 221a can be restricted based on the third annular protrusion 224, so that the first annular protrusion 221a can better contact with the antenna feeder line a, which is more beneficial to ensuring the sealing of the position.

[0064] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the utility model, the first sealing ring 13 and the end of the locking nut 12 are mutually engaged; in this embodiment, an annular groove for engaging the first sealing ring 13 may be provided at the end of the locking nut 12 to achieve a reliable connection of the first sealing ring 13, thereby making its connection with the housing A more stable. In addition, the deformation of the first sealing ring 13 can be further limited by adopting the engaging connection method, so that the first sealing ring 13 can be stably limited to the installation position to ensure the sealing of the installation position.

[0065] Combination Figure 1 and Figure 2As shown, according to one embodiment of the present invention, a second sealing ring is provided at the position where the female body 21 is connected to the male body 11. In this embodiment, the second sealing ring can be directly installed in the female body 21, so that when the female body 21 is connected to the male body 11, the second sealing ring is pressed between the female body 21 and the male body 11, thereby increasing the sealing of the connection position.

[0066] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the present invention, the waterproof sealing sleeve 22 is an elastic rubber sleeve. In this embodiment, the waterproof sealing sleeve 22 can be set as a silicone sleeve or a rubber sleeve. Through the above configuration, by using an elastic rubber sleeve, an elastic fastening effect can be achieved at the installation position, so that the installation position is reliable and stable. In addition, by using an interference fit, the installation position can further have a better sealing performance in the elastic fastening mode.

[0067] Combination Figure 1 and Figure 2 As shown, according to an embodiment of the present invention, the present invention provides an SMA antenna using the aforementioned waterproof SMA antenna connector, including: an antenna feeder a and an SMA antenna connector b; in this embodiment, the SMA antenna connector b includes: a connector male assembly 1 for connecting the housing A and a connector female assembly 2 for connecting the antenna feeder a; wherein the connector male assembly 1 includes: a male body 11, a locking nut 12 threadedly connected to the male body 11, and a first sealing ring 13; the first sealing ring 13 is detachably arranged at one end of the locking nut 12 away from the female body 21. In this embodiment, the connector female assembly 2 includes: a female body 21, and a waterproof sealing sleeve 22 sleeved on the outside of the female body 21. In this embodiment, when the connector male component 1 is connected to the connector female component 2, the female body 21 and the male body 11 are coaxially threadedly connected to each other, and the end of the waterproof sealing sleeve 22 is sealed and nested with the outer side of the locking nut 12; in this embodiment, the end of the waterproof sealing sleeve 22 away from the locking nut 12 is sealed and nested with the antenna feeder a.

[0068] The above contents are merely examples of specific solutions of the present invention. For the equipment and structures not described in detail, it should be understood that they are implemented by adopting the general equipment and general methods available in the art.

[0069] The above is only one solution 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 varied 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 waterproof SMA antenna connector, characterized in that: include: A connector male assembly (1) for connecting to a housing (A) and a connector female assembly (2) for connecting to an antenna feeder (a); The connector male assembly (1) comprises: a male body (11), a locking nut (12) threadedly connected to the male body (11), and a first sealing ring (13); the connector female assembly (2) comprises: a female body (21), and a waterproof sealing sleeve (22) sleeved on the outside of the female body (21); When the connector male assembly (1) is connected to the connector female assembly (2), the female body (21) and the male body (11) are coaxially threadedly connected, and the end of the waterproof sealing sleeve (22) and the outer side of the locking nut (12) are mutually nested and sealed; The first sealing ring (13) is detachably arranged at an end of the locking nut (12) away from the female head body (21).

2. The waterproof SMA antenna connector according to claim 1, characterized in that: When the connector male component (1) is connected to the connector female component (2), the end of the female body (21) and the end of the locking nut (12) are arranged to be nested with each other.

3. The waterproof SMA antenna connector according to claim 2, characterized in that: The locking nut (12) comprises: a nut body (121); The nut body (121) is a hollow annular structure as a whole, with a thread provided inside for connecting with the male body (11), and a plurality of first engaging sealing grooves (121a) provided outside for matching with the waterproof sealing sleeve (22); An end of the nut body (121) opposite to the female head body (21) is provided with a first engaging groove (121b) for matching with the end of the female head body (21); A plurality of first engaging sealing grooves (121a) are arranged at intervals along the axial direction of the nut body (121).

4. The waterproof SMA antenna connector according to claim 3, characterized in that: The extension direction of the first engaging sealing groove (121a) is arranged to be inclined relative to the axial direction of the nut body (121); The opening of the first engaging sealing groove (121a) on the side surface of the nut body (121) is adjacent to an end of the nut body (121) away from the female head body (21).

5. The waterproof SMA antenna connector according to claim 4, characterized in that: The waterproof sealing sleeve (22) comprises: a first connecting portion (221), an intermediate connecting portion (222) and a second connecting portion (223) which are coaxially arranged in sequence; The first connecting portion (221), the middle connecting portion (222) and the second connecting portion (223) are all annular structures; Along the axial direction of the first connecting portion (221), a plurality of first annular protrusions (221a) are arranged at intervals on the inner side of the first connecting portion (221); Along the axial direction of the second connecting portion (223), a plurality of second annular protrusions (223a) are arranged at intervals on the inner side of the second connecting portion (223); The second annular protrusion (223a) is arranged to match the first engaging sealing groove (121a), and the second connecting portion (223) is arranged to be interference-fitted with the nut body (121).

6. The waterproof SMA antenna connector according to claim 5, characterized in that: A plurality of third annular protrusions (224) are arranged at intervals on the outer surface of the waterproof sealing sleeve (22) along the axial direction of the waterproof sealing sleeve (22); The third annular protrusion (224) is respectively provided at one end of the first connecting portion (221) away from the middle connecting portion (222), at a position where the first connecting portion (221) and the middle connecting portion (222) are connected, at a position where the middle connecting portion (222) and the second connecting portion (223) are connected, and at one end of the second connecting portion (223) away from the middle connecting portion (222); A third annular protrusion (224) disposed at a position where the first connecting portion (221) and the intermediate connecting portion (222) are connected is disposed opposite to one of the first annular protrusions (221a) disposed inside the first connecting portion (221).

7. The waterproof SMA antenna connector according to claim 6, characterized in that: The first sealing ring (13) and the end of the locking nut (12) are arranged to be interlocked; A second sealing ring is provided at the position where the female head body (21) is connected to the male head body (11).

8. The waterproof SMA antenna connector according to claim 7, characterized in that: The waterproof sealing sleeve (22) is an elastic rubber sleeve.

9. An SMA antenna using the waterproof SMA antenna connector according to any one of claims 1 to 8, characterized in that: include: Antenna feed line (a) and SMA antenna connector (b); The SMA antenna connector (b) comprises: a connector male component (1) for connecting to the housing (A) and a connector female component (2) for connecting to the antenna feeder (a); The connector male assembly (1) comprises: a male body (11), a locking nut (12) threadedly connected to the male body (11), and a first sealing ring (13); The connector female head assembly (2) comprises: a female head body (21), and a waterproof sealing sleeve (22) sleeved on the outside of the female head body (21); When the connector male assembly (1) is connected to the connector female assembly (2), the female body (21) and the male body (11) are coaxially threadedly connected, and the end of the waterproof sealing sleeve (22) and the outer side of the locking nut (12) are mutually nested and sealed; The first sealing ring (13) is detachably arranged at an end of the locking nut (12) away from the female head body (21); One end of the waterproof sealing sleeve (22) away from the locking nut (12) is nested and sealedly connected with the antenna feeder line (a).

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