A coaxial connector

Abstract

The application discloses a coaxial connector, which comprises a plastic shell body, a first locking mechanism, a second locking mechanism and a third locking mechanism; the plastic shell body is provided with a plug-in interface and a terminal channel in communication, a terminal is inserted into the terminal channel, the first locking mechanism preliminarily fixes the terminal by being clamped with a terminal ring groove through a spring buckle; the second locking mechanism is detachably arranged on the plastic shell body and can be switched between a pre-assembly state and a locking state; when locked, the second locking mechanism further fixes the terminal and prevents the first locking mechanism from being unlocked by extending into the terminal channel; the third locking mechanism is detachably arranged and extends into the plug-in interface to prevent a mating connector from being inserted when pre-assembled, and is linked with the second locking mechanism; when the second locking mechanism is pre-assembled, the third locking mechanism cannot be pre-assembled; when the second locking mechanism is locked, the third locking mechanism can be pre-assembled to allow the mating connector to be inserted. The application realizes reliable fixation of the terminal, excellent anti-misoperation performance, convenient operation, reasonable structure and high practicability.

Description

Technical Field

[0001] This invention relates to the field of connector technology, and in particular to a coaxial connector. Background Technology

[0002] Existing coaxial connector technology suffers from several unresolved issues. Firstly, the reliability of terminal fixation within the connector is insufficient, often resulting in loosening or displacement, severely impacting signal transmission stability. Secondly, the lack of effective coordination between locking mechanisms makes them prone to malfunctions; for example, a mating connector may be inserted before the terminals are fully secured, leading to connection failure or even component damage. Furthermore, switching between locking states in some connectors is cumbersome, pre-installation and locking operations are inconvenient, and the stability of the locking mechanism is poor, easily resulting in accidental unlocking, causing significant inconvenience for users.

[0003] To address the above problems, this invention provides a coaxial connector with a reasonable structural design, reliable locking, and convenient operation. Summary of the Invention

[0004] The purpose of this invention is to provide a coaxial connector to solve the problems of unreliable terminal fixing, easy misoperation of locking mechanism and inconvenient state switching in the prior art.

[0005] To achieve the above and other related objectives, the technical solution provided by the present invention is: a coaxial connector, comprising:

[0006] The plastic shell body includes a plug interface and a terminal channel. The plug interface and the terminal channel are interconnected and pass through the plastic shell body axially. A terminal is inserted into the terminal channel. A first locking mechanism is formed on the inner wall of the terminal channel. The first locking mechanism is used to engage the terminal in place.

[0007] The second locking mechanism is disposed on the plastic housing body and can switch between pre-installed and locked states. In the locked state, the second locking mechanism extends at least partially into the terminal channel to engage the terminal in place.

[0008] A third locking mechanism is provided on the plastic housing body and can be switched between a pre-installed and locked state. In the pre-installed state, the third locking mechanism extends at least partially into the insertion interface to prevent the mating connector from being inserted.

[0009] When the second locking mechanism is in the pre-installed state, the pre-installed state of the third locking mechanism cannot be released; when the second locking mechanism is in the locked state, the engagement between the first locking mechanism and the terminal cannot be released, and the third locking mechanism can release the pre-installed state and switch to the locked state; when the third locking mechanism is in the locked state, the locked state of the second locking mechanism cannot be released.

[0010] A preferred technical solution is that the first locking mechanism includes a spring clip located on the inner wall of the terminal channel, the spring clip being used to engage with an annular groove on the outer periphery of the terminal.

[0011] The preferred technical solution is as follows: the second locking mechanism consists of a buckle plate, a buckle arm, and a locking arm. The buckle arm and the locking arm are located on the same side of the buckle plate and are perpendicular to the buckle plate. The buckle arm is provided with a buckle point, and the locking arm is provided with a protrusion.

[0012] The preferred technical solution is as follows: the plastic shell body is provided with a groove that matches the buckle plate. The groove is provided with a buckle groove, a locking groove and a clearance groove. The groove wall of the buckle groove is provided with a pre-installed slot and a locking slot arranged sequentially at intervals along the groove depth direction. The buckle arm is correspondingly matched with the buckle groove. The buckle point is correspondingly matched with the pre-installed slot and the locking slot. The locking groove is connected to the terminal channel. The locking arm is correspondingly matched with the locking groove. The clearance groove is connected to the locking groove. The clearance groove is correspondingly matched with the protrusion.

[0013] The preferred technical solution is as follows: the third locking mechanism consists of a slide block and a top block. The bottom sides of the slide block are provided with parallel sliding grooves, and the side wall of the slide block is provided with a locking hole communicating with the sliding grooves. The top block is located at the front end of the slide block.

[0014] The preferred technical solution is as follows: the plastic shell body is provided with two sets of parallel slide rails arranged at intervals, the slide rails are provided with pre-installation locking points and locking points, and the pre-installation locking points and the locking points are matched and matched with the lock holes.

[0015] The preferred technical solution is as follows: the plastic shell body is provided with a top block channel that connects to the insertion interface, and the top block is inserted into the insertion interface through the top block channel when the third locking mechanism is in a pre-installed state.

[0016] The preferred technical solution is as follows: In the pre-installed state, the protrusion of the second locking mechanism is located between the pre-installed locking point and the locking locking point and interferes with the tail end of the slide.

[0017] A preferred technical solution is that the bottom side of the slide block is provided with multiple sets of guide ribs arranged parallel to the slide groove.

[0018] The preferred technical solution is that the plastic shell body is provided with multiple sets of guide grooves arranged parallel to the slide rail, and the guide grooves are correspondingly matched with the guide ribs.

[0019] Due to the application of the above technical solution, the beneficial effects of this invention are as follows:

[0020] Reliable terminal fixation: The first locking mechanism engages with the annular groove on the outer periphery of the terminal to achieve initial fixation. At the same time, the second locking mechanism further engages the terminal in the locked state and prevents the engagement between the first locking mechanism and the terminal from being accidentally released, effectively avoiding the problem of terminal loosening or displacement and ensuring the stability of signal transmission.

[0021] Excellent anti-misoperation performance: The second locking mechanism and the third locking mechanism work together in a coordinated manner. When the second locking mechanism is in the pre-installed state, the pre-installed state of the third locking mechanism cannot be released, which can prevent the insertion of the mating connector when the terminal is not fully fixed. Only when the second locking mechanism is in the locked state, that is, after the terminal is fully fixed, can the third locking mechanism release the pre-installation and allow the mating connector to be inserted, which greatly reduces the risk of misoperation.

[0022] Easy to operate: The second locking mechanism uses the buckle on the buckle arm to cooperate with the pre-locking slot and locking slot in the buckle groove to achieve convenient switching between pre-installation and locking states; the third locking mechanism uses the sliding groove of the slide block to cooperate with the slide rail of the plastic shell body, combined with the matching of the lock hole with the pre-installation slot and locking slot, to easily complete the locking and unlocking operations, and the setting of guide ribs and guide grooves further improves the smoothness of operation.

[0023] Reasonable structural design: The locking mechanisms and the plastic shell body are compactly matched and scientifically laid out. While ensuring locking performance, the size and weight of the connector are not excessively increased, making it highly adaptable.

[0024] In summary, this invention effectively solves many problems existing in current coaxial connectors and has high practical value. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the coaxial connector involved in the present invention.

[0026] Figure 2 This is a schematic diagram of the coaxial connector of the present invention in its pre-assembled state.

[0027] Figure 3 This is a schematic diagram of the coaxial connector of the present invention in the locked state.

[0028] Figure 4 This is a schematic diagram of the structure of the plastic shell body of the present invention in the state of assembly terminals.

[0029] Figure 5 This is a schematic diagram of the second locking mechanism involved in the present invention.

[0030] Figure 6 This is a schematic diagram of the third locking mechanism involved in the present invention. Detailed Implementation

[0031] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0032] Please see Figures 1-6 It should be noted that in the description of this invention, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. These terms are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Example

[0034] like Figures 1 to 6 As shown, according to an overall technical concept of the present invention, a coaxial connector is provided, comprising:

[0035] The plastic housing body 1 includes an insertion interface 11 and a terminal channel 12. The insertion interface 11 and the terminal channel 12 are interconnected and extend axially through the plastic housing body 1. A terminal 100 is inserted into the terminal channel 12. A first locking mechanism 13 is formed on the inner wall of the terminal channel 12 to engage and position the terminal 100.

[0036] The second locking mechanism 2 is detachably mounted on the plastic housing body 1 and can be switched between a pre-installed and locked state. In the locked state, the second locking mechanism 2 at least partially extends into the terminal channel 12 to engage and position the terminal 100; and

[0037] The third locking mechanism 3 is detachably mounted on the plastic housing body 1 and can be switched between pre-installed and locked states. In the pre-installed state, the third locking mechanism 3 extends at least partially into the insertion interface 11 to prevent the mating connector from being inserted.

[0038] In the case where the second locking mechanism 2 is in the pre-installed state, the pre-installed state of the third locking mechanism 3 cannot be released; when the second locking mechanism 2 is in the locked state, the engagement between the first locking mechanism 13 and the terminal 100 cannot be released, and the third locking mechanism 3 can release the pre-installed state and switch to the locked state; when the third locking mechanism 3 is in the locked state, the locked state of the second locking mechanism 2 cannot be released.

[0039] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the first locking mechanism 13 includes a spring-loaded latch located on the inner wall of the terminal channel 12, the spring-loaded latch being used to engage with an annular groove on the outer periphery of the terminal 100.

[0040] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the second locking mechanism 2 is composed of a buckle plate 21, a buckle arm 22 and a locking arm 23. The buckle arm 22 and the locking arm 23 are located on the same side of the buckle plate 21 and are perpendicular to the buckle plate 21. The buckle arm 22 is provided with a buckle point 221 and the locking arm 23 is provided with a protrusion 231.

[0041] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the plastic shell body 1 is provided with a groove 14 that matches the buckle plate 21. The groove 14 is provided with a buckle groove 141, a locking groove 142 and a clearance groove 143. The groove wall of the buckle groove 141 is provided with a pre-installed slot and a locking slot arranged sequentially at intervals along the groove depth direction. The buckle arm 22 is correspondingly matched with the buckle groove 141, and the buckle point 221 is correspondingly matched with the pre-installed slot and the locking slot. The locking groove 142 is connected to the terminal channel 12. The locking arm 23 is correspondingly matched with the locking groove 142 and can be inserted into the terminal channel 12 in the locked state to engage the terminal 100 with the annular groove on the outer periphery of the terminal 100. The clearance groove 143 is connected to the locking groove 142 and is correspondingly matched with the protrusion 231.

[0042] like Figures 1 to 6As shown, in an exemplary embodiment of the present invention, the third locking mechanism 3 is composed of a slide block 31 and a top block 32. The slide block 31 has parallel sliding grooves 311 on both sides of its bottom. The slide block 31 has a locking hole 312 communicating with the sliding grooves 311 on its side wall. The top block 32 is located at the front end of the slide block 31.

[0043] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the plastic shell body 1 is provided with two sets of parallel slide rails 15 arranged at intervals. The slide rails 15 are provided with pre-installation locking points 151 and locking points 152, and the pre-installation locking points 151 and locking points 152 are correspondingly matched with the lock holes 312.

[0044] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the plastic shell body 1 is provided with a top block channel 16 that connects to the insertion interface 11. When the third locking mechanism 3 is in a pre-installed state, the top block 32 is inserted into the insertion interface 11 through the top block channel 16.

[0045] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, in the pre-installed state, the second locking mechanism 2 has a protrusion 231 located between the pre-installed locking point 151 and the locking locking point 152 and is configured to interfere with the tail end of the slide block 31.

[0046] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the bottom side of the slide block 31 is provided with a plurality of guide ribs 313 arranged parallel to the slide groove 311.

[0047] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the plastic shell body 1 is provided with multiple sets of guide grooves 17 arranged parallel to the slide rail 15, and the guide grooves 17 are correspondingly matched with the guide ribs 313.

[0048] In practical use, first insert the terminal 100 into the terminal channel 12 of the plastic housing body 1, and achieve initial fixation by engaging the spring-loaded latch of the first locking mechanism 13 with the annular groove around the outer periphery of the terminal 100. At this time, insert the latching arm 22 of the second locking mechanism 2 into the latching groove 141, so that the latching point 221 engages with the pre-installed slot, completing the pre-installation of the second locking mechanism 2. In this state, the protrusion 231 of the second locking mechanism 2 is located at the tail end of the slide 31 of the third locking mechanism 3, restricting the movement of the slide 31, keeping the third locking mechanism 3 in the pre-installed state, and the top block 32 is inserted into the insertion interface 11 to prevent the mating connector from being mistakenly inserted.

[0049] When it is necessary to fully secure terminal 100 and allow mating connectors to be inserted, press the latch plate 21 of the second locking mechanism 2, causing the latch point 221 on the latching arm 22 to slide from the pre-installed slot into the locking slot. At this time, the locking arm 23 extends into the locking groove 142 and enters the terminal channel 12, further locking terminal 100, while restricting the spring-loaded movement of the first locking mechanism 13 to prevent it from disengaging from the outer circumferential groove of terminal 100. As the second locking mechanism 2 enters the locked state, the protrusion 231 enters the clearance groove 143, releasing the restriction on the slide 31 of the third locking mechanism 3. Pushing the slide 31 causes the locking hole 312 to move from the pre-installed latch point 151 to the locking latch point 152, and the top block 32 exits from the insertion interface 11. The mating connector can then be inserted into the insertion interface to complete the connection. In this state, the slide 31 locks the protrusion 231 in the clearance groove 143, ensuring the locked state of the second locking mechanism 2.

[0050] Therefore, the present invention has the following advantages:

[0051] This invention discloses a coaxial connector, comprising a plastic shell body, a first locking mechanism, a second locking mechanism, and a third locking mechanism. The plastic shell body has a communicating insertion interface and a terminal channel. The terminal is inserted into the terminal channel. The first locking mechanism initially fixes the terminal by engaging with the terminal ring groove via a spring-loaded latch. The second locking mechanism is detachably mounted on the plastic shell body and can switch between pre-installed and locked states. When locked, it extends into the terminal channel to further fix the terminal and prevent the first locking mechanism from unlocking. The third locking mechanism is detachably mounted. When pre-installed, it extends into the insertion interface to prevent the insertion of a mating connector and is linked with the second locking mechanism: when the second locking mechanism is pre-installed, the third locking mechanism cannot release the pre-installation; when the second locking mechanism is locked, the third locking mechanism can release the pre-installation to allow the insertion of a mating connector. This invention achieves reliable terminal fixation, excellent anti-misoperation performance, convenient operation, reasonable structure, and high practicality.

[0052] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A coaxial connector, characterized by, The utility model relates to a plastic shell main part, including plug interface and terminal channel, the plug interface with the terminal channel intercommunication and along the axial through plastic shell main part, the terminal channel inner wall forms first locking mechanism, first locking mechanism includes the elastic buckle on the terminal channel inner wall, the elastic buckle is used for with the ring groove on the terminal outer periphery clamping, Second locking mechanism, second locking mechanism is by the buckle plate, buckle joint arm and the clamping arm, buckle joint arm and clamping arm are located the same side of buckle plate and with buckle plate vertical setting, buckle joint arm is equipped with the buckle point, clamping arm is equipped with the convex point, the plastic shell main part is equipped with the recess groove with buckle plate matching, recess groove is equipped with the buckle groove, lock groove and the position avoidance groove, the groove wall of buckle groove is equipped with preloading clamping groove and locking clamping groove along the groove depth direction interval setting in proper order, buckle joint arm with buckle groove corresponding matching setting, buckle point with preloading clamping groove and locking clamping groove corresponding matching setting, lock groove with terminal channel intercommunication, clamping arm with lock groove corresponding matching setting, position avoidance groove with lock groove intercommunication, position avoidance groove with convex point corresponding matching setting, Third locking mechanism, third locking mechanism is by the sliding base and the top block, the bottom both sides of sliding base are equipped with the sliding groove parallel to each other, the side wall of sliding base is equipped with the lock hole intercommunication sliding groove, top block is located the front end of sliding base, Second locking mechanism is prevented by the convex point with the tail end of sliding base of third locking mechanism, prevents the third locking mechanism movement, second locking mechanism is through clamping arm and extends into terminal channel, limit elastic buckle of first locking mechanism activity, Third locking mechanism is through sliding base and locks convex point in position avoidance groove, prevents second locking mechanism unlocking. The plastic shell main part is equipped with two groups of interval parallel arrangement's slide rail, the slide rail is equipped with preloading clamping point and locking clamping point, preloading clamping point, locking clamping point with lock hole corresponding matching setting.

2. A coaxial connector as recited in claim 1, wherein: The plastic shell main part is equipped with the top block channel intercommunication plug interface, top block is inserted in plug interface through top block channel when third locking mechanism is in preloading state.

3. A coaxial connector as recited in claim 1, wherein: The bottom side of sliding base is equipped with multiple groups of guiding rib parallel to sliding groove setting.

4. A coaxial connector as recited in claim 2, wherein: The plastic shell main body is equipped with multiple groups of guiding grooves parallel to the slide rails, and the guiding grooves are correspondingly matched with the guiding ribs.

5. A coaxial connector as recited in claim 4, wherein: ​

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