CN208820094U - A kind of L5 connector body and molding die - Google Patents

Abstract

This application provides a kind of L5 connector body and molding dies, the socket includes inner conductor, the insulator being coated on outside inner conductor, the shell being coated on outside the insulator, the insulator is the injection molded layers being formed between the shell and the inner conductor, the inner wall of the shell is provided at least two position limiting convex rings, in the side wall of the position limiting convex ring insertion insulator, the outer wall of the insulator is provided at least one flange, the inner wall of the flange insertion insulator along its circumferential direction.The L5 connector body of the application is improved the leakproofness of L5 connector body using the method for injection molding, is conducive to use in the environment such as temperature and humidity, salt fog, mould, sand and dust；Position limiting structure is set, mechanical strength is enhanced, prevents from loosening when plug；Increase the coupling mechanism force between screw thread using the elasticity of insulator, prevents from loosening, be conducive to carry out big magnitude vibration test；One-pass molding is suitable for producing in enormous quantities.

Description

A kind of L5 connector body and molding die

Technical field

This application involves a kind of L5 connector body and molding die, the socket is suitable for sensor transmissions signal.

Background technique

Connector is indispensable device in electronic equipment, is blocked place in connection circuit, realizes the predetermined function of circuit Can, the various types of signal being primarily adapted for use between transmission device is generally divided into two kinds of forms of plug and socket, complete use.Evaluation connects Connecing device superiority and inferiority mainly has three mechanical performance, electric property and environmental performance aspects.

Sensor field is divided into L5 socket and L5 inserts first two usually using a kind of L5 connector.General L5 socket is fixed On a sensor, L5 plug is fixed on cable end.

Setting insulator and inner conductor inside common L5 socket, in use, insulator and inner conductor are inserted by plug The plug effect of needle easily leads to loosening, or even insulator and inner conductor can be made to separate with the shell of socket, influences the electricity of L5 socket Gas performance and mechanical performance.

For common L5 socket without seal approach, external environment can directly influence the inner conductor in socket.Environmental performance makes Inner conductor by temperature, humidity, salt fog, mould, sand and dust, the factors such as drench with rain effect and aoxidize, corrode, influence contact resistance etc. Electric property.

In actual use, L5 connector body influenced because of self structure the mechanical performance of connector, electric property and Environmental performance is unfavorable for the signal transmission of sensor, influences test, monitoring result, cannot satisfy the use demand.

As shown in Fig. 2, be the prior art a kind of L5 connector body structural schematic diagram.It is set in the inner cavity of shell 1 Insulator 2 is set, the end setting small boss of the shell 1 receives small boss by external force after the insulator 2 is installed in place Contracting, small boss is partially retained in the end of the insulator 2 after contraction, is formed and is closed up, and prevents the insulator 2 from deviating from.Inside lead Body 3 is mounted in the inner hole of the insulator 2.One end of the inner conductor 3 is jack 31, and the other end is terminals 33, to fall Structure is pierced, there are two effects: preventing the inner conductor 3 from deviating from；It is stuck in conducting wire 4 between the insulator 2 and inner conductor 3.

The mouth of the L5 connector body shell 1 of this form causes difficulty of processing big because size is small, not easily molded, And caused to wear by the plug effect of plug in use, make to close up and fail, causes the insulator 2 from the shell 1 Abjection, influences the use of L5 connector body.Due to the insulator 2 use high molecular material, intensity is lower, it is described in lead The terminals 33 of body 3 use barb structure, are easily destroyed the inner wall of the insulator 2, and inner conductor 3 is caused to loosen even from described Deviate from insulator 2, influences the use of L5 connector body.The conducting wire 4 is stuck in the wiring of the insulator 2 and inner conductor 3 Between the hangnail at end 33, gap will necessarily be formed between the insulator 2 and inner conductor 3, influence the installation of L5 connector body Sealing performance afterwards, causes external environment to be directly entered sensor internal, influences sensor performance.

Summary of the invention

The application technical problems to be solved are to provide a kind of L5 connector body and molding die.

In order to solve the above-mentioned technical problem, this application provides a kind of L5 connector body, the socket includes interior leads Body, the insulator being coated on outside inner conductor, the shell being coated on outside the insulator, the insulator are described to be formed in Shell and the inner conductor between injection molded layers, the inner wall of the shell is provided at least two position limiting convex rings, described The position limiting convex ring insertion insulator side wall in, it is convex that the outer wall of the insulator along its circumferential direction is provided at least one Edge, the inner wall of the flange insertion insulator.

Preferably, there are two position limiting convex ring, position limiting convex ring described in two is respectively set for the inner wall setting of the shell At the both ends of the shell.

Preferably, the one end of the shell is the end of thread that connection screw thread is provided on outer wall, the shell The other end is the flange end for being provided with flange.

Preferably, the first end face of the inner conductor is recessed axially inward forms hollow tubular structure, described Jack is formed in tubular structure, the other end of the inner conductor is terminals, spiral shell of the jack close to the shell The setting of line end, the terminals are arranged close to the flange end of the shell.

Preferably, offered on the side wall of the tubular structure at least two axially extend split slot, described inserts The aperture in hole is gradually reduced from bottom to end, and a guide surface being inserted into convenient for contact pin is formed at the open end of the jack, It is provided with a welding hole on the end face of the terminals of the inner conductor, a conducting wire is provided in the welding hole.

Preferably, the one end of the insulator stretches out the end of thread of the shell, makes L5 connector plug and inserts When seat connection, insulator with Plug contact, and generates flexible deformation first, and elastic force reaction increases screw thread on screw thread Between coupling mechanism force, prevent from loosening.

Preferably, annular knurl is provided on the outer wall of the flange.Enhance the combination of the inner conductor and the insulator Power prevents to be displaced.

Preferably, the socket further includes a sensor, and the sensor is soldered to the flange end of the shell, The conducting wire of sensor transmissions signal is connected to the terminals of inner conductor.

The application also announces a kind of molding die, and the molding die is used to form the L5 connector body, institute The molding die stated includes for installing the quiet mould of shell, the dynamic model for installing inner conductor, and the quiet mould is moved with described Mould coaxial arrangement, the dynamic model can move back and forth along the axial direction of quiet mould.

A kind of L5 connector body and molding die of the application improves L5 connector body using the method for injection molding Leakproofness, be conducive to use in the environment such as temperature and humidity, salt fog, mould, sand and dust；Position limiting structure is set, mechanical strength is enhanced, It prevents from loosening when plug；Increase the coupling mechanism force between screw thread using the elasticity of insulator, prevents from loosening, be conducive to carry out big magnitude vibration Dynamic test；One-pass molding is suitable for producing in enormous quantities.

Detailed description of the invention

Attached drawing 1 is one of one preferred embodiment of the utility model L5 socket structure of connector schematic diagram；

Attached drawing 2 is a kind of L5 socket structure of connector schematic diagram of the prior art；

Attached drawing 3 (a)~attached drawing 3 (d) is that the molding of one of one preferred embodiment of the utility model L5 connector body is shown It is intended to；

Attached drawing 4 is one of one preferred embodiment of the utility model L5 connector body connection schematic diagram.

Wherein: 1. shells；11. position limiting convex ring；2. insulator；3. inner conductor；31. jack；32. flange；33. terminals； 4. conducting wire；5. dynamic model；6. quiet mould；61. cast gate；7. mandril；8. sensor.

Specific embodiment

The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.

As shown in Figure 1, this application provides a kind of L5 connector body, in the socket includes inner conductor 3, is coated on Insulator 2 outside conductor 3, the shell 1 being coated on outside the insulator 2, the insulator 2 be formed in described in shell Injection molded layers between body 1 and the inner conductor 3, there are two position limiting convex ring 11, two institutes for the inner wall setting of the shell 1 The position limiting convex ring 11 stated is separately positioned on the both ends of the shell 1.The position limiting convex ring 11 is embedded in the insulator 2 Side wall in, the outer wall of the insulator 2 is provided at least one flange 32 along its circumferential direction, and the flange 32 is embedded in described Insulator 2 inner wall.The one end of the shell 1 is the end of thread that connection screw thread is provided on outer wall, the shell 1 The other end be the flange end for being provided with flange.The first end face of the inner conductor 3 be recessed axially inward formed it is hollow Tubular structure, jack 31 is formed in the tubular structure, the other end of the inner conductor 3 is terminals 33, described Jack 31 is arranged close to the end of thread of the shell 1, and the terminals 33 are arranged close to the flange end of the shell 1. Offered on the side wall of the tubular structure at least two axially extend split slot, the aperture of the jack 31 is from bottom It is gradually reduced to end, forms one at the open end of the jack 31 convenient for the guide surface of contact pin insertion, the inner conductor It is provided with a welding hole on the end face of 3 terminals 33, a conducting wire 4 is provided in the welding hole.The one of the insulator 2 The end of thread of the shell 1 is stretched out in end, and when connecting L5 connector plug with socket, insulator 22 connects with plug first Touching, and flexible deformation is generated, elastic force reaction increases the coupling mechanism force between screw thread on screw thread, prevents from loosening.Described is convex It is provided with annular knurl on the outer wall of edge 32, enhances the binding force of the inner conductor 3 and the insulator 2, prevents to be displaced.

As shown in figure 4, being one of one preferred embodiment of the utility model L5 connector body connection schematic diagram.L5 connects 1 flange end of shell for connecing device is mounted on the shell of sensor 8.The shell 1 is connected with 8 shell of sensor using the method for welding It connects.The conducting wire 4 that sensor 8 transmits signal is connected to the terminals 33 of inner conductor 3.

As shown in Fig. 3 (a)~(d), to be a kind of for forming the molding die of the L5 connector body, mold installation The (not shown) on injection molding machine.Mold is made of the part such as dynamic model 5, quiet mould 6, mandril 7.5 bottom of the dynamic model setting is heavy Platform, center are cylindrical body, and outer diameter is equal to the internal diameter after the opening completely of jack 31 of the inner conductor 33.The setting of cylindrical body two sides Fin, fin size are equal to the straight trough size being arranged in the jack 31.The quiet mould 6 is arranged counterbore, counterbore internal diameter with it is described The flange end outer diameter of shell 11 forms clearance fit (gap 0.03mm).Through-hole is arranged in 6 bottom of quiet mould, and aperture is greater than institute State 33 outer diameter of terminals of inner conductor 33.The bottom of the quiet mould 6 is arranged in cast gate 61.Mandril 7 is arranged on the dynamic model 5.

When molding, using injection moulding machine mould open, i.e., the described dynamic model 5 and quiet mould 6 are separated.The shell 11 is mounted on the quiet mould In 6 counterbore, the inner conductor 33 is mounted on the cylindrical body of the dynamic model 5 (such as attached drawing 3 (a)).After molding simultaneously mode locking, lead to It crosses the cast gate 61 and injects Meltability polytetrafluorethyletubular (PFA plastics) to mold, keep Meltability polytetrafluorethyletubular (PFA plastics) complete 11 inner cavity of shell described in full packing forms the insulator 22 (such as attached drawing 3 (b)).It is opened after pressure maintaining, L5 connector body is fixed On the dynamic model 5 (such as attached drawing 3 (c)).The mandril 7 stretches out the dynamic model 5, and L5 connector body and the dynamic model 5 are divided From the molding (such as attached drawing 3 (d)) of completion L5 connector body.

The L5 connector body and molding die of the application improves L5 connector body using the method for injection molding Leakproofness is conducive to use in the environment such as temperature and humidity, salt fog, mould, sand and dust；Position limiting structure is set, mechanical strength is enhanced, is prevented It is loosened when only plugging；Increase the coupling mechanism force between screw thread using the elasticity of insulator 2, prevents from loosening, be conducive to carry out big magnitude vibration Dynamic test；One-pass molding, high production efficiency are suitable for producing in enormous quantities；It is reachable -196 DEG C~+260 DEG C of operating temperature range, special It is not suitably applied the sensor 8 to work in the environment such as high/low temperature, high humility.

Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application Protection scope within.The protection scope of the application is subject to claims.

Claims (9)

1. a kind of L5 connector body, which is characterized in that the socket includes inner conductor, the insulation that is coated on outside inner conductor Son, the shell being coated on outside the insulator, the insulator be formed in the shell and the inner conductor it Between injection molded layers, the inner wall of the shell is provided at least two position limiting convex rings, described exhausted of the position limiting convex ring insertion In the side wall of edge, the outer wall of the insulator is provided at least one flange along its circumferential direction, described in the flange insertion Insulator inner wall.

2. a kind of L5 connector body as described in claim 1, which is characterized in that there are two the inner wall settings of the shell Position limiting convex ring, position limiting convex ring described in two are separately positioned on the both ends of the shell.

3. a kind of L5 connector body as claimed in claim 2, which is characterized in that the one end of the shell is on outer wall It is provided with the end of thread of connection screw thread, the other end of the shell is the flange end for being provided with flange.

4. a kind of L5 connector body as claimed in claim 3, which is characterized in that the first end face of the inner conductor is along axis Hollow tubular structure is formed to being recessed inwardly, forms jack in the tubular structure, the other end of the inner conductor is Terminals, the jack are arranged close to the end of thread of the shell, flange of the terminals close to the shell End setting.

5. a kind of L5 connector body as claimed in claim 4, which is characterized in that opened up on the side wall of the tubular structure Have at least two axially extend split slot, the aperture of the jack is gradually reduced from bottom to end, the jack A guide surface being inserted into convenient for contact pin is formed at open end, is provided with a welding hole on the end face of the terminals of the inner conductor, A conducting wire is provided in the welding hole.

6. a kind of L5 connector body as described in claim 1, which is characterized in that the one end of the insulator stretches out institute The end of thread for the shell stated.

7. a kind of L5 connector body as described in claim 1, which is characterized in that be provided with rolling on the outer wall of the flange Flower.

8. a kind of L5 connector body as described in claim 1, which is characterized in that the socket further includes a sensor, The sensor is soldered to the flange end of the shell, and the conducting wire of sensor transmissions signal is connected to the wiring of inner conductor End.

9. a kind of molding die, the molding die is inserted for forming L5 connector described in claim 1~8 any one Seat, which is characterized in that the molding die include for installing the quiet mould of shell, the dynamic model for installing inner conductor, it is described Quiet mould and the dynamic model be coaxially disposed, the dynamic model can move back and forth along the axial direction of quiet mould.