A connector

Abstract

The utility model discloses a connector. It belongs to the radio frequency coaxial connector series, including a shell, a load resistor module arranged in the shell, the shell is provided with two connecting parts, the two connecting parts are respectively connected with connectors for electrical connection and signal transmission, the load resistor module is respectively connected in series between the two connectors through a connecting piece, and the shell and the connectors for electrical connection and signal transmission are respectively connected through a limiting mechanism and a fixing mechanism, the limiting mechanism includes an axial limiting component and a circumferential limiting component arranged between the electric plug and the shell, relative to the shell, and the fixing mechanism includes a ferrule component that can realize the positioning and connection of the BNC connector and the shell. The connector of the utility model adopts the design of bayonet adapter and sleeve ring positioning, does not need threaded fixed connection, can avoid the problem of internal resistance wire breaking due to torque, and is simple to assemble and easy to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a connector used for assembling high-voltage resistors. Background Art

[0002] A connector generally refers to an electrical connector, which is a device that connects two active devices and transmits current or signals. It is a component that electronic engineers often come into contact with. Its function is to build a bridge of communication between blocked or isolated circuits in the circuit, so that the current can flow and the circuit can achieve the predetermined function. If an electronic component fails, the failed component can be quickly replaced when a connector is installed.

[0003] Connectors are indispensable components in electronic devices, and their forms and structures are ever-changing. There are various forms of connectors depending on the application object, frequency, power, application environment, etc. In general, connectors are not limited to connecting currents. In today's rapidly developing optoelectronic technology, in optical fiber systems, the carrier for transmitting signals is light, and glass and plastic have replaced the wires in ordinary circuits. However, connectors are also used in optical signal paths, and their functions are the same as those of circuit connectors.

[0004] In the RF connector series, due to the limitation of space and assembly method, the existing connectors are not easy to maintain; when assembling the connector, due to the limitation of the existing connector structure, the BNC connector and the load resistor are welded first, and then the electrical plug (banana plug) is installed through a threaded connection. However, during the threaded connection, the rotation will generate torque, causing the internal resistance wire to twist. Excessive twisting will cause the resistance wire to break; and the internal load resistance module welding is exposed, which is inconvenient and unsightly. Utility Model Content

[0005] Purpose of the invention: The utility model provides a connector belonging to the radio frequency coaxial connector series. The connector solves the problem that the existing connectors are inconvenient to maintain and difficult to install, and also solves the problem that the connection method of the load resistance module in the connector causes inconvenience in use.

[0006] Technical solution: The connector of the utility model belongs to the RF coaxial connector series, including a shell and a load resistance module arranged in the shell. The shell is provided with two connecting parts, and the two connecting parts are respectively connected with connectors for electrical connection and signal transmission. The load resistance module is respectively connected in series between the two connectors through connecting parts, and the shell is connected to the connectors for electrical connection and signal transmission through a limiting mechanism and a fixing mechanism.

[0007] The electrical connector is an electrical plug, preferably a banana plug, and the limiting mechanism includes an axial limiting component and a circumferential limiting component which are arranged between the electrical plug and the housing and are relative to the housing.

[0008] The axial limiting component includes at least one threaded hole opened in the electrical plug shell and extending to the shell, and a locking screw matched with the threaded hole. The threaded hole and the locking screw can cooperate to achieve the positioning of the electrical plug and the axial limitation relative to the shell.

[0009] The circumference limiting component includes a bayonet opened on the shell and a bayonet adapter used in conjunction with the bayonet. The bayonet adapter has a slot, and the slot is matched with the connector. The bayonet adapter can be inserted into the bayonet and the connector is clamped with the slot, thereby achieving circumference limitation of the core of the electric plug relative to the shell, avoiding the problem of resistance wire breakage in the load resistor module.

[0010] The signal transmission connector is a BNC connector, and the fixing mechanism includes a ferrule assembly capable of positioning and connecting the BNC connector and the housing.

[0011] The ferrule assembly includes a kit sleeved on the BNC connector, at least one positioning post provided on the kit and facing the housing, and a positioning hole opened on the housing and interference-fitted with the positioning post, wherein the kit is sleeved between two nuts of the BNC connector.

[0012] In view of the connector's external dimensions, the BNC connector cannot be fixed to the housing by locking screws. This application adopts a collar with a positioning post, and the collar is set between the two nuts of the BNC connector and clamped. Due to size restrictions, the positioning post and the housing are fixed by interference fit.

[0013] The housing is also provided with a heat dissipation mechanism for dissipating heat from the load resistor module.

[0014] The heat dissipation mechanism includes a plurality of heat dissipation holes opened on the shell, and vents connected to the heat dissipation holes. The cooling gas can pass through the load resistor module through the vents to the heat dissipation holes (the vents and heat dissipation holes are arranged at both ends of the load resistor module in the shell). The vents are connected to the external air pipe through the air pipe joint. Due to space limitations, the heat dissipation of this connector adopts a combination of air pipe joints and heat dissipation holes, and the cooling gas is introduced to achieve the cooling effect.

[0015] The load resistor module includes one or more non-inductive high-voltage resistors connected in series. The load resistor has a voltage dividing function, can balance and stabilize the working current, and the resistance value can be determined according to the output voltage.

[0016] At least the inner wall of the shell is made of insulating material, which solves the problem of resistor arc creeping and improves the reliability of the resistor.

[0017] Beneficial effects: 1. The connector of the utility model belongs to the RF coaxial connector series, and adopts the design of bayonet adapter and ring positioning. It does not require threaded fixed connection, can avoid the problem of internal resistance wire breakage due to torque, and is simple to assemble and easy to maintain; 2. The connector of the present application can effectively divide the voltage and stabilize the working current, ensuring the smooth operation of electrical components; 3. Using the assembly method of the present application, the load resistance module can be pre-installed and placed in the shell to avoid external connection of wires, which is easy to use and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3a and 3b It is a schematic diagram of the decomposed structure of the limiting mechanism in the utility model;

[0022] Figure 4 It is a schematic diagram of the exploded structure of the fixing mechanism in the utility model. DETAILED DESCRIPTION

[0023] The present invention will be more fully understood through the following specific embodiments that should be read together with the accompanying drawings. Detailed embodiments of the present invention are disclosed herein; however, it should be understood that the disclosed embodiments are only exemplary of the present invention, and the present invention can be embodied in various forms. Therefore, the specific functional details disclosed herein should not be interpreted as limiting, but only as the basis of the claims and as a representative basis for teaching those skilled in the art to adopt the present invention in different ways in any appropriate detailed embodiment.

[0024] like Figure 1 and 2As shown, the connector described in a preferred embodiment of the utility model belongs to the series of radio frequency coaxial connectors, including a cylindrical shell 1 made of insulating material, two series-connected non-inductive high-voltage resistors 2 (i.e., load resistor modules) arranged in the shell 1 and welded by wires, a banana plug 5 and a BNC connector 6 connected to the two ends of the shell 1 respectively through a limiting mechanism 3 and a fixing mechanism 4, and a heat dissipation mechanism 7 for dissipating heat from the non-inductive high-voltage resistor 2, wherein the two ends of the two series-connected non-inductive high-voltage resistors 2 are respectively welded to the banana plug 5 and the BNC connector 6 through a connecting piece 8.

[0025] like Figure 3a and 3b As shown, the limiting mechanism 3 includes an axial limiting component 31 and a circumferential limiting component 32 of the banana plug 5 relative to the housing 1 .

[0026] The axial limiting component 31 includes two threaded holes 311 opened in the outer shell of the banana plug 5 and extending to the housing 1, and two locking screws 312 matched with the two threaded holes 311. The banana plug 5 can be positioned with respect to the housing 1 and axially limited relative to the housing 1 through the cooperation between the threaded holes 311 and the locking screws 312.

[0027] The circumference limiting component 32 includes a bayonet 321 opened on the shell 1 and a bayonet adapter 322 used in conjunction with the bayonet 321. The bayonet adapter 322 has a slot 323, and the slot 323 is matched with the connector 8. The bayonet adapter 322 can be inserted into the bayonet 321 and the connector 8 is clamped with the slot 323, thereby realizing the circumference limiting of the insert of the banana plug 5 relative to the shell 1, avoiding the problem of conductive wire breakage in the load resistor module.

[0028] like Figure 4 As shown, the fixing mechanism 4 includes a ferrule assembly 41 that can realize the positioning and connection between the BNC connector 6 and the housing 1 .

[0029] The sleeve assembly 41 includes a sleeve 411 sleeved between two nuts 9 of the BNC connector 6 housing, at least one positioning post 412 disposed on the sleeve 411 and facing the housing 1, and a positioning hole 413 provided on the housing 1 and having an interference fit with the positioning post 412. The housing 1 and the BNC connector 6 can be connected and fixed by pressing the positioning post 412 and the positioning hole 413. The sleeve 411 is clamped between the nuts 9 to prevent it from sliding relative to the BNC connector 6 housing during pressing, thereby avoiding unsuccessful connection.

[0030] The coaxial load will generate more heat, and the working performance will be affected if the heat cannot be dissipated. Therefore, the housing 1 is also provided with a heat dissipation mechanism 7 for dissipating the heat of the load resistance module.

[0031] The heat dissipation mechanism 7 includes a plurality of heat dissipation holes 71 opened in the shell, and air vents 72 connected to the heat dissipation holes 71. The cooling gas passes through the air vents 72 to the heat dissipation holes 71 and can penetrate the load resistor module (the air vents 72 and the heat dissipation holes 71 are opened at both ends of the load resistor module in the shell 1). The air vents 72 are connected to the external air pipe through the air pipe joint, and the cooling gas is introduced to achieve the effect of cooling the load resistor module.

[0032] The working principle of the utility model is:

[0033] The resistance is determined according to the output voltage, and a suitable non-inductive high-voltage resistor 2 is selected and connected in series with a wire. The BNC connector 6 includes an inner wire 61, a probe 62 and a BNC shell 63. The banana plug 5 includes a core 51, a socket 52 and a plug box 53. The core 51 is electrically connected to the socket 52 and fixedly connected. The plug box 53 is threadedly connected to the core 51.

[0034] One end of the series-connected non-inductive high-voltage resistor 2 is connected in series with the inner wire 61 of the BNC connector 6 through the connector 8, and the other end is connected in series with the socket 52 of the banana plug 5 through the connector 8. After welding, the socket 52 and the ferrule 51 of the banana plug 5, the series-connected high-voltage non-inductive resistor 2, and the BNC connector 6 are sequentially inserted into the housing 1 from the BNC connector 6 connection end of the housing 1. Then the BNC shell 63 of the BNC connector 6 is pressed with the housing 1 to achieve interference fit connection through the positioning column 412 and the positioning hole 413 to ensure the fixation of the BNC connector 6. Then the plug box 53 of the banana plug 5 is inserted into the ferrule 51 and threadedly fixed, and fixed by the locking screw 312 and the threaded hole 311. Finally, the bayonet adapter 322 is inserted into the bayonet 321, and the connector 8 is clamped with the card slot 323 to ensure that the banana plug 5 is limited in the axial direction and circumference. That is, the assembly of the connector is completed. When the utility model is used to connect electronic equipment, the connecting device is connected to the ferrule 51 of the banana plug 5 at the end of the shell and the probe 62 of the BNC connector 6.

[0035] The connector structure of the present application is exquisitely designed, easy to assemble and operate, convenient to maintain, and can be widely used in electronic equipment.

[0036] The various aspects, embodiments, features and examples of the present invention should be considered as illustrative in all aspects and are not intended to limit the present invention, the scope of which is defined solely by the claims. Other embodiments, modifications and uses will be apparent to those skilled in the art without departing from the spirit and scope of the present invention as claimed.

[0037] Although the utility model has been described with reference to illustrative embodiments, it will be understood by those skilled in the art that various other changes, omissions and / or additions may be made without departing from the spirit and scope of the utility model, and the elements of the embodiments may be replaced by substantial equivalents. In addition, many modifications may be made without departing from the scope of the utility model to adapt specific situations or materials to the teachings of the utility model. Therefore, it is not intended herein to limit the utility model to the disclosed specific embodiments for performing the utility model, but it is intended that the utility model will include all embodiments within the scope of the appended claims. In addition, unless specifically stated, any use of the terms first, second, etc. does not indicate any order or importance, but uses the terms first, second, etc. to distinguish one element from another element.

Claims

1. A connector, characterized in that: The invention comprises a shell and a load resistance module arranged in the shell. The shell is provided with two connecting parts. The two connecting parts are respectively connected with connectors for electrical connection and signal transmission. The load resistance module is respectively connected in series between the two connectors through connecting pieces, and the shell is connected with the connectors for electrical connection and signal transmission through limiting mechanisms and fixing mechanisms.

2. The connector according to claim 1, characterized in that: The connector of the electrical connection is an electrical plug, and the limiting mechanism comprises an axial limiting component and a circumferential limiting component which are arranged between the electrical plug and the shell and are opposite to the shell.

3. The connector according to claim 2, characterized in that: The axial limiting component includes at least one threaded hole opened in the electrical plug shell and extending to the shell, and a locking screw matched with the threaded hole. The threaded hole and the locking screw can cooperate to achieve the positioning of the electrical plug and the axial limitation relative to the shell.

4. The connector according to claim 2, characterized in that: The circumference limiting component includes a bayonet opened on the shell and a bayonet adapter used in conjunction with the bayonet. The bayonet adapter has a slot, and the slot is matched with the connector. The bayonet adapter can be inserted into the bayonet and the connector is clamped with the slot, thereby achieving circumference limitation of the core of the electric plug relative to the shell.

5. The connector according to claim 1, characterized in that: The signal transmission connector is a BNC connector, and the fixing mechanism includes a ferrule assembly capable of positioning and connecting the BNC connector and the housing.

6. The connector according to claim 5, characterized in that: The ferrule assembly includes a set sleeved on the BNC connector, at least one positioning post provided on the set sleeve and facing the shell, and a positioning hole opened on the shell and interference fit with the positioning post, wherein the set sleeve is sleeved between two nuts of the BNC connector.

7. The connector according to claim 1, characterized in that: The housing is provided with a heat dissipation mechanism for dissipating heat from the load resistor module.

8. The connector according to claim 7, characterized in that: The heat dissipation mechanism includes a plurality of heat dissipation holes opened on the shell and ventilation holes connected with the heat dissipation holes. The path of cooling gas from the ventilation holes to the heat dissipation holes can pass through the load resistance module.

9. The connector according to claim 1, characterized in that: The load resistance module includes one or more high-voltage non-inductive resistors connected in series.

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