CN114069341B - RF coaxial three-way connector with automatic disconnection - Google Patents

Abstract

The invention relates to an automatic-switching radio frequency coaxial three-way connector, which comprises a connector body, a first external socket, a second external socket and a male plug, wherein the first external socket, the second external socket and the male plug are arranged on the connector body, and the automatic-switching radio frequency coaxial three-way connector further comprises: the elastic component and the conductive component are arranged in the connector body, the bottom of the conductive component is connected with the elastic component, and the conductive component can move along the axial direction of the male plug. According to the scheme, when the elastic piece is located at the first position, the first external socket and the second external socket are conducted by the conductive component, when the elastic piece is located at the second position, the first external socket and the male plug are conducted by the conductive component, the three-way connector is in the state of not changing the appearance of the original coaxial cable, the on-off state in the three-way connector is adjusted, the signal transmission path inside the coaxial cable is changed, and the function of automatically disconnecting the original coaxial cable channel when the branch coaxial cable is inserted is achieved.

Description

RF coaxial three-way connector with automatic disconnection

technical field

The invention relates to the technical field of three-way connectors, in particular to an automatically disconnected radio frequency coaxial three-way connector.

Background technique

The widely used N-type radio frequency coaxial three-way connector is a device with three interfaces fully connected internally. It is mainly suitable for the application scenario of adding a permanent connected branch to a coaxial cable. When a new connected When the branch circuit is established, the original coaxial cable is still in the through state.

When the existing radio frequency coaxial three-way connector is in use, when the appearance of the original coaxial cable is not changed, the adjustment of the on-off state in the three-way connector cannot be realized, and the transmission path of the internal signal of the coaxial cable cannot be changed. Bring inconvenience to use.

Contents of the invention

Based on this, it is necessary to provide a radio frequency coaxial three-way connector with automatic disconnection for the problem that the existing radio frequency coaxial three-way connector is inconvenient to change the internal signal transmission path of the coaxial cable.

The invention provides a radio frequency coaxial three-way connector with automatic disconnection, which includes a connector body and a first female socket with external teeth, a female socket with a second external tooth and a male socket arranged on the connector body plug, the first female socket with outer teeth and the second female socket with outer teeth are located at the same horizontal position, the axial direction of the male plug is perpendicular to the axial direction of the first female female socket with outer teeth, and It includes: an elastic component and a conductive component, the elastic component and the conductive component are both arranged in the connector body, the bottom of the conductive component is connected to the elastic component, and the conductive component can move along the male Axial movement of the head plug;

The elastic member has a first position extended relative to the conductive component and a second compressed position, when the elastic member is in the first position, the conductive component connects the first external tooth female socket and The second female socket with external teeth is conducted, and when the elastic member is in the second position, the conductive component conducts the first female socket with external teeth and the male plug.

In the radio frequency coaxial three-way connector with automatic disconnection, when the elastic member is in the first position, the conductive component conducts the first external female socket and the second external female socket, and when the elastic member is in the second position When the conductive component conducts the first outer tooth female socket and the male plug, the three-way connector realizes the adjustment of the on-off state in the three-way connector without changing the appearance of the original coaxial cable, changing the The internal signal transmission path of the coaxial cable realizes the function of automatically disconnecting the original coaxial cable path when the branch coaxial cable is inserted.

In one of the embodiments, the conductive component includes an insulating post, a first electrode contact, a second electrode contact and a third electrode contact, the first electrode contact is arranged on one side of the insulating post, The second electrode contact is arranged on the other side of the insulating column, the first electrode contact communicates with the second electrode contact, and the third electrode contact is arranged on the insulating column, The third electrode contact is located above the first electrode contact, and the third electrode contact communicates with the male plug pin in the male plug;

The elastic member is connected to the bottom of the insulating column, and the insulating column can move along the axial direction of the male plug. When the elastic member is in the first position, the first electrode contact and the The first external tooth female socket is connected, the second electrode contact is connected to the second external tooth female socket, and when the elastic member is in the second position, the third electrode contact is connected to the second external tooth female socket. The above-mentioned first external tooth socket is connected.

In one of the embodiments, the connector body is provided with an observation window for observing the relative positions of the first electrode contact, the second electrode contact and the third electrode contact.

In one of the embodiments, the side wall of the insulating column is provided with a first clamping slot, a second clamping slot and a third clamping slot, the first electrode contact is fixed in the first clamping slot, so The second electrode contact is fixed in the second slot, and the third electrode contact is fixed in the third slot.

In one of the embodiments, it further includes a first core wire and a second core wire, and the first core wire and the second core wire are both fixed on the insulating column;

The first electrode contact communicates with the second electrode contact through the first core wire, and the third electrode contact communicates with the male plug pin in the male plug through the second core wire connected.

In one embodiment, the elastic member includes a compression spring, a fourth slot is provided on the side of the insulating column facing the compression spring, a fifth slot is provided on the inner wall of the connector body, One end of the compression spring is fixed in the fifth slot, and the other end is fixed in the fourth slot.

In one of the embodiments, a first insulating layer is further included, and the first insulating layer is arranged on the compression spring.

In one of the embodiments, a limiting protrusion is provided on a side of the insulating column facing the compression spring, and a position of the limiting protrusion corresponds to a position of the fifth locking groove.

In one embodiment, a fixing ring is further included, the fixing ring is sleeved on the outside of the male plug, and an internal thread is provided on the inner side wall of the fixing ring.

In one of the embodiments, a second insulating layer is further included, and the second insulating layer is disposed on the inner side wall of the connector body.

Description of drawings

Fig. 1 is a schematic structural diagram of an automatically disconnected radio frequency coaxial tee connector provided by an embodiment of the present invention;

Fig. 2 is another schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of installing a cable female head on a fixing ring according to an embodiment of the present invention.

The markings in the figure are as follows:

1. The first external tooth female socket; 2. The second external tooth female socket; 3. Male plug; 4. Insulation column; 5. Elastic member; 6. The first electrode contact; 7. The second electrode contact 8. The third electrode contact; 9. The male plug pin; 10. The fixing ring; 11. The female cable.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions are for the purpose of illustration only and are not intended to represent the only embodiments.

The widely used N-type radio frequency coaxial three-way connector is a device with three interfaces fully connected internally. It is mainly suitable for the application scenario of adding a permanent connected branch to a coaxial cable. When a new connected When the branch circuit is established, the original coaxial cable is still in the through state. When the existing radio frequency coaxial three-way connector is in use, when the appearance of the original coaxial cable is not changed, the adjustment of the on-off state in the three-way connector cannot be realized, and the transmission path of the internal signal of the coaxial cable cannot be changed. Bring inconvenience to use.

In order to solve the above problems, as shown in Figure 1, in one embodiment of the present invention, a radio frequency coaxial three-way connector with automatic disconnection is provided, including a connector body and a first outer tooth set on the connector body The female socket 1, the second external tooth female socket 2 and the male plug 3, the first external tooth female socket 1 and the second external tooth female socket 2 are located at the same horizontal position, the axial direction of the male plug 3 is the same as that of the second external tooth socket The axial direction of an external tooth female socket 1 is vertical, and also includes: an elastic member 5 and a conductive component, wherein the elastic member 5 and the conductive component are both arranged in the connector body, and the bottom of the conductive component is connected to the elastic member 5 and conducts electricity The assembly can move along the axial direction of the male plug 3; the elastic member 5 has a first position stretched relative to the conductive assembly and a second compressed position, when the elastic member 5 is in the first position, the conductive assembly connects the first outer tooth The female socket 1 is connected to the second female socket 2 with external teeth, and when the elastic member 5 is in the second position, the conductive component connects the first female socket 1 with external teeth to the male plug 3 .

Using the above technical solution, as shown in Figure 1, when the elastic member is in the first position, the conductive component conducts the first external tooth female socket and the second external tooth female socket, as shown in Figure 2, when the elastic member When it is in the second position, the conductive component conducts the first external female socket and the male plug, and the three-way connector realizes the adjustment of the on-off in the three-way connector without changing the appearance of the original coaxial cable. The state changes the internal signal transmission path of the coaxial cable, and realizes the function of automatically disconnecting the original coaxial cable path when the branch coaxial cable is inserted.

In some embodiments, as shown in FIG. 1 , the conductive component in the present application includes an insulating column 4, a first electrode contact 6, a second electrode contact 7, and a third electrode contact 8, wherein the first electrode contact The head 6 is arranged on one side of the insulating column 4, the second electrode contact 7 is arranged on the other side of the insulating column 4, the first electrode contact 6 and the second electrode contact 7 are connected, and the third electrode contact 8 is arranged on the On the insulating column 4, the third electrode contact 8 is located above the first electrode contact 6, and the third electrode contact 8 communicates with the male plug pin 9 in the male plug 3; the elastic member 5 is connected to the bottom of the insulating column 4 connection, the insulating column 4 can move along the axial direction of the male plug 3, when the elastic member 5 is in the first position, the first electrode contact 6 is connected to the first external tooth female socket 1, and the second electrode contact 7 It is connected with the second external tooth female socket 2 , and when the elastic member 5 is in the second position, the third electrode contact 8 is connected with the first external tooth female socket 1 .

In use, when the elastic member 5 is in the initial position, as shown in Figure 1, the elastic member 5 is in an elongated state, that is, the elastic member 5 is in the first position, and the first electrode contact 6 on the insulating column 4 and The first female female socket 1 on the left terminal head of the three-way connector is connected, the second electrode contact 7 on the insulating column 4 and the second female female socket on the right terminal head of the three-way connector 2 connected, the top terminal head of the three-way connector is not connected with the other two terminal heads, at this time, the first external tooth female socket 1 and the second external tooth female socket 2 are connected; as shown in Figure 2 and combined with Figure 2 As shown in 3, when the cable female head 11 is installed on the male plug 3, the elastic member 5 is located in the second position under the pressure of the cable female head 11. At this time, the third electrode contact 8 and the first outer tooth female head socket 1 is connected, because the third electrode contact 8 communicates with the male plug pin 9 in the male plug 3, and the cable female head 11 is inserted into the male plug pin 9 on the male plug 3, so the male plug at this time Pin 9 is connected to the first external tooth female socket 1, at the same time, the first electrode contact 6 is disconnected from the first external tooth female socket 1, and the second electrode contact 7 is disconnected from the second external tooth female socket 2. Open, when the cable female head 11 is disconnected from the male plug pin 9, the elastic member 5 will return to the structure shown in Figure 1, automatically making the first female female socket 1 and the second female female socket 2 is connected.

In some embodiments, in order to facilitate the observation of the relative positions of the first electrode contact, the second electrode contact and the third electrode contact, the application provides an observation window on the connector body, and the observation window is used to observe the first electrode contact. Relative positions of the electrode contacts 6 , the second electrode contacts 7 and the third electrode contacts 8 .

In some embodiments, in order to facilitate the fixing of the first electrode contact, the second electrode contact and the third electrode contact to the insulating column, the application provides a first slot, a second slot on the side wall of the insulating column 4 The second card slot and the third card slot, wherein the first electrode contact 6 is fixed in the first card slot, the second electrode contact 7 is fixed in the second card slot, and the third electrode contact 8 is fixed in the third card slot. in the slot.

It should be noted that the connection structure between the electrode contact and the insulating post in the embodiment of the present application is only an example. In other alternative solutions, other structures can also be used. For example, the electrode contact is fixed to the insulating post by bolts . The present application does not impose special restrictions on the specific structures of the electrode contacts and insulating posts, as long as the above structures can achieve the purpose of the present application.

In some embodiments, the radio frequency coaxial three-way connector with automatic disconnection in the present application further includes a first core wire and a second core wire, wherein the first core wire and the second core wire are both fixed on the insulating column 4 Above: the first electrode contact 6 communicates with the second electrode contact 7 through the first core wire, and the third electrode contact 8 communicates with the male plug pin 9 in the male plug 3 through the second core wire. The arrangement of the first core wire and the second core wire not only facilitates the connection between the first electrode contact 6 and the second electrode contact 7 , but also facilitates the connection between the third electrode contact 8 and the male plug pin 9 .

In some embodiments, the elastic member 5 in the present application includes a compression spring, wherein a fourth slot is provided on the side of the insulating column 4 facing the compression spring, and a fifth slot is provided on the inner wall of the connector body. One end of the spring is fixed in the fifth slot, and the other end is fixed in the fourth slot. Since one end of the compression spring is fixed in the fifth slot and the other end is fixed in the fourth slot, it is convenient to disassemble the compression spring from the connector body, and when the compression spring fails, it is convenient to disassemble and replace.

In some embodiments, in order to prevent the current from being accidentally transmitted from the compression spring to the housing of the three-way connector when the three-way connector is in use, the radio frequency coaxial three-way connector with automatic disconnection in the present application also includes a first An insulating layer, the first insulating layer is disposed on the compression spring.

In some embodiments, in order to prevent the insulating post from compressing the compression spring too much when it moves down, thereby affecting the elasticity of the compression spring, the present application sets a limiting protrusion on the side of the insulating post 4 facing the compression spring. The position of the bit protrusion corresponds to the position of the fifth card slot. When the insulating post abuts against the inner wall of the connector body when it moves down, it cannot move any more, so that the compression spring will not be further compressed.

In some embodiments, as shown in FIG. 1 and in conjunction with FIG. 3 , the automatically disconnected radio frequency coaxial three-way connector in the present application further includes a fixing ring 10, which is sleeved on the outside of the male plug 3 , Internal threads are provided on the inner wall of the fixing ring 10 . When the cable female head 11 is installed, the cable female head 11 is screwed into the fixing ring 10 and gets final product.

In some embodiments, in order to prevent the overall leakage of the three-way connector, the automatically disconnected radio frequency coaxial three-way connector of the present application further includes a second insulating layer, and the second insulating layer is arranged on the inner side of the connector body on the wall.

To sum up, the present invention provides a radio frequency coaxial three-way connector with automatic disconnection, which includes a connector body and a first female socket 1 with external teeth and a second female socket with second external teeth arranged on the connector body. The socket 2 and the male plug 3, the first external female socket 1 and the second external female socket 2 are located at the same horizontal position, the axial direction of the male plug 3 is perpendicular to the axial direction of the first external female socket 1 , also includes: an elastic member 5 and a conductive component, wherein both the elastic member 5 and the conductive component are arranged in the connector body, the bottom of the conductive component is connected to the elastic member 5, and the conductive component can move along the axial direction of the male plug 3 ; The elastic member 5 has a first position of elongation and a second position of compression relative to the conductive component. The socket 2 conducts, and when the elastic member 5 is in the second position, the conductive component conducts the first external female socket 1 and the male plug 3 . Using the above technical solution, as shown in Figure 1, when the elastic member is in the first position, the conductive component conducts the first external tooth female socket and the second external tooth female socket, as shown in Figure 2, when the elastic member When it is in the second position, the conductive component conducts the first external female socket and the male plug, and the three-way connector realizes the adjustment of the on-off in the three-way connector without changing the appearance of the original coaxial cable. The state changes the internal signal transmission path of the coaxial cable, and realizes the function of automatically disconnecting the original coaxial cable path when the branch coaxial cable is inserted.

As shown in Figure 1, the conductive assembly in the present application includes an insulating column 4, a first electrode contact 6, a second electrode contact 7 and a third electrode contact 8, wherein the first electrode contact 6 is arranged on the insulating column 4, the second electrode contact 7 is arranged on the other side of the insulating column 4, the first electrode contact 6 communicates with the second electrode contact 7, the third electrode contact 8 is arranged on the insulating column 4, and the second electrode contact 6 is connected to the second electrode contact 7. The three-electrode contact 8 is located above the first electrode contact 6, and the third electrode contact 8 communicates with the male plug pin 9 in the male plug 3; the elastic member 5 is connected to the bottom of the insulating column 4, and the insulating column 4 can Move along the axial direction of the male plug 3, when the elastic member 5 is in the first position, the first electrode contact 6 is connected to the first external tooth female socket 1, and the second electrode contact 7 is connected to the second external tooth female socket 1. The head socket 2 is connected, and when the elastic member 5 is in the second position, the third electrode contact 8 is connected to the first external tooth socket 1 . In use, when the elastic member 5 is in the initial position, as shown in Figure 1, the elastic member 5 is in an elongated state, that is, the elastic member 5 is in the first position, and the first electrode contact 6 on the insulating column 4 and The first female female socket 1 on the left terminal head of the three-way connector is connected, the second electrode contact 7 on the insulating column 4 and the second female female socket on the right terminal head of the three-way connector 2 connected, the top terminal head of the three-way connector is not connected with the other two terminal heads, at this time, the first external tooth female socket 1 and the second external tooth female socket 2 are connected; as shown in Figure 2 and combined with Figure 2 As shown in 3, when the cable female head 11 is installed on the male plug 3, the elastic member 5 is located in the second position under the pressure of the cable female head 11. At this time, the third electrode contact 8 and the first outer tooth female head socket 1 is connected, because the third electrode contact 8 communicates with the male plug pin 9 in the male plug 3, and the cable female head 11 is inserted into the male plug pin 9 on the male plug 3, so the male plug at this time Pin 9 is connected to the first external tooth female socket 1, at the same time, the first electrode contact 6 is disconnected from the first external tooth female socket 1, and the second electrode contact 7 is disconnected from the second external tooth female socket 2. Open, when the cable female head 11 is disconnected from the male plug pin 9, the elastic member 5 will return to the structure shown in Figure 1, automatically making the first female female socket 1 and the second female female socket 2 is connected.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (8)

1. The utility model provides an automatic coaxial three-way connector of radio frequency that opens, is in including connector body and setting first outer first socket (1) of tooth on the connector body, second outer first socket (2) of tooth and public first plug (3), first outer first socket (1) with second outer first socket (2) of tooth are located same horizontal position, the axial of public first plug (3) with the axial of first outer first socket (1) of tooth is perpendicular, its characterized in that still includes: the connector comprises an elastic piece (5) and a conductive component, wherein the elastic piece (5) and the conductive component are arranged in the connector body, the bottom of the conductive component is connected with the elastic piece (5), and the conductive component can move along the axial direction of the male plug (3);

the elastic member (5) has a first position elongated and a second compressed position with respect to the conductive member, the conductive member conducting the first external socket (1) and the second external socket (2) when the elastic member (5) is in the first position, the conductive member conducting the first external socket (1) and the male plug (3) when the elastic member (5) is in the second position;

the conductive assembly comprises an insulating column (4), a first electrode contact (6), a second electrode contact (7) and a third electrode contact (8), wherein the first electrode contact (6) is arranged on one side of the insulating column (4), the second electrode contact (7) is arranged on the other side of the insulating column (4), the first electrode contact (6) is communicated with the second electrode contact (7), the third electrode contact (8) is arranged on the insulating column (4), the third electrode contact (8) is positioned above the first electrode contact (6), and the third electrode contact (8) is communicated with a male plug pin (9) in the male plug (3);

the elastic piece (5) is connected with the bottom of the insulating column (4), the insulating column (4) can move along the axial direction of the male plug (3), when the elastic piece (5) is in a first position, the first electrode contact (6) is communicated with the first external socket (1), the second electrode contact (7) is communicated with the second external socket (2), and when the elastic piece (5) is in a second position, the third electrode contact (8) is communicated with the first external socket (1);

the elastic piece (5) comprises a compression spring, a fourth clamping groove is formed in one side, facing the compression spring, of the insulation column (4), a fifth clamping groove is formed in the inner wall of the connector body, one end of the compression spring is fixed in the fifth clamping groove, and the other end of the compression spring is fixed in the fourth clamping groove.

2. The automatically disconnected radio frequency coaxial three-way connector according to claim 1, characterized in that the connector body is provided with an observation window for observing the relative positions of the first electrode contact (6), the second electrode contact (7) and the third electrode contact (8).

3. The automatically-disconnected radio frequency coaxial three-way connector according to claim 1, wherein a first clamping groove, a second clamping groove and a third clamping groove are formed in the side wall of the insulating column (4), the first electrode contact (6) is fixed in the first clamping groove, the second electrode contact (7) is fixed in the second clamping groove, and the third electrode contact (8) is fixed in the third clamping groove.

4. A radio frequency coaxial three-way connector according to claim 1 or 3, further comprising a first core wire and a second core wire, both of which are fixed on the insulating column (4);

the first electrode contact (6) is communicated with the second electrode contact (7) through the first core wire, and the third electrode contact (8) is communicated with a male plug needle (9) in the male plug (3) through the second core wire.

5. The automatically disconnected radio frequency coaxial three-way connector of claim 1, further comprising a first insulating layer disposed on the compression spring.

6. The automatically disconnected radio frequency coaxial three-way connector according to claim 1 or 5, characterized in that a limit projection is provided on the side of the insulating column (4) facing the compression spring, the position of the limit projection corresponding to the position of the fifth clamping groove.

7. The automatically-disconnected radio frequency coaxial three-way connector according to claim 1, further comprising a fixing ring (10), wherein the fixing ring (10) is sleeved outside the male plug (3), and an inner thread is arranged on the inner side wall of the fixing ring (10).

8. The automatically disconnected radio frequency coaxial three-way connector of claim 1, further comprising a second insulating layer disposed on an inner sidewall of the connector body.

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