Front floating type microstrip connector

Abstract

According to the front floating type microstrip connector, the rear end of a front floating part is matched with the interior of the front end of a rear fixing part, the rear fixing part and the front floating part are in elastic floating connection through a spring and a locking outer sleeve, the cross section of the locking outer sleeve is of a T-shaped structure, and the locking outer sleeve is arranged at the front end of the rear fixing part; external threads of a small-diameter section of the locking outer sleeve are connected with a threaded hole in the front end of the rear fixing part in a matched mode, a step face formed by a large-diameter section and the small-diameter section of the locking outer sleeve abuts against the front end face of the rear fixing part for positioning, and a positioning protruding ring on the outer wall of the front floating part abuts against the rear end of the locking outer sleeve under the action of a spring. The positioning device is used for positioning the forward movement limit position of the front floating part. The connecting structure of the microstrip connector is optimized, the locking outer sleeve is convenient and fast to disassemble and assemble, the defect that the microstrip connector is inconvenient to disassemble and maintain due to a traditional connecting structure is overcome, the assembling and disassembling difficulty is reduced, the production and maintenance efficiency is improved, the labor intensity is reduced, and the assembling and maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of radio frequency connector, specifically relates to a front floating type microstrip connector. BACKGROUND

[0002] The microstrip connector is installed on a multi-channel microwave power transmission module cavity, the inner conductor is welded with a printed board in the microwave power transmission module, and the outer conductor is fixed on the cavity shell to realize microwave signal transmission.

[0003] The outer conductor of the traditional microstrip connector is relatively fixed with the inner conductor and the printed board in the power transmission module, so that the gold-plated copper skin of the printed board in the power transmission module is not damaged, but when being relatively fixed, the connector cannot float, the installation and positioning requirements of the multi-channel integrated module are relatively high, slight positioning errors can cause damage of the connector and signal distortion, and the installation is difficult or even impossible. The traditional floating connector on the market is a whole floating of the outer conductor, the inner conductor and the internal support, and the flange is fixed on the cavity. This floating connector is only suitable for cable connectors and is not suitable for microstrip connectors. In the patent no. 202223558799.5 and the patent name "floating SBMA radio frequency microstrip coaxial connector", a connector for microwave transmission is disclosed. Although the connector can be connected with the multi-channel microwave power transmission module to realize transmission of microwave signals and meet the floating connection requirements, the shell 8 and the first insulating piece 10 are connected through the barb in the fixed part of the whole connection structure, and then the positioning ring 3 and the inner wall of the shell 8 are connected in interference fit. This connection structure is inconvenient to disassemble and maintain in the later use process, so it is necessary to improve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem: provide a kind of front floating type microstrip connector, by optimizing the connection structure of microstrip connector, by spring and locking sleeve elastic floating connection of front floating part and rear fixed part, on the premise that locking sleeve and fixed part front end screw connection to the front floating part assembled in the rear fixed part interior is limited, locking sleeve is convenient and fast to disassemble, solve the malpractice of microstrip connector disassembly maintenance inconvenient caused by traditional connection structure, reduce assembly dismounting difficulty, improve production and maintenance efficiency, simple structure, novel design, reduce labor intensity, improve assembly maintenance efficiency, with higher time use value.

[0005] The utility model discloses a technical scheme: front floating type microstrip connector, including front floating part and rear fixed part, the rear end of front floating part is adapted to the inside of the front end of rear fixed part, and the rear fixed part and front floating part are elastically floatingly connected through spring and locking sleeve, wherein, the cross section shape of locking sleeve is T-shaped structure and is located at the front end of rear fixed part, the external thread of small diameter section of locking sleeve is connected with the threaded hole of the front end of rear fixed part, and the step surface formed by the large diameter section and small diameter section of locking sleeve is positioned on the front end face of rear fixed part, and the positioning convex ring on the outer wall of front floating part is positioned on the rear end of locking sleeve under the action of spring, and is used for positioning the front limit position of front floating part.

[0006] Wherein, the front floating part includes front outer conductor one and front outer conductor two in the inner hole of front outer conductor one, front contact head, spring washer, front insulating support, front inner conductor and insulating support, the front insulating support and the insulating support behind it are sleeved on the front inner conductor, and the inner ring of front insulating support is adapted to the positioning ring groove on the outer wall of front inner conductor, and front insulating support is positioned on front inner conductor by insulating support, the outer wall of front insulating support is connected with the inner wall of the middle diameter position in the inner hole of front outer conductor one through barb, and the rear end of front insulating support is positioned on the rear step surface of the inner hole of the middle diameter section of front outer conductor one, the spring washer and the front contact head in front of it are arranged in the inner hole of the large diameter section of front outer conductor one, and the spring washer is positioned on the front step surface of the inner hole of front outer conductor one, the front outer conductor two is connected in the inner hole of the large diameter section of front outer conductor one through barb and is positioned on spring washer, and the front end of front contact head is adapted to the inside of front outer conductor two, the rear end of locking sleeve is positioned on the front side ring surface of the positioning convex ring on the outer circumferential wall of front outer conductor one, and the front end of spring sleeved on front outer conductor one is positioned on the rear side ring surface of positioning convex ring.

[0007] Further, the rear fixed part comprises a rear outer conductor, a rear contact head located in a stepped hole of the rear outer conductor, a rear insulating support and a rear inner conductor, an inner hole of the rear outer conductor is a multi-step stepped hole with diameters decreasing from front to back, an inner thread on a hole wall of a front end of the rear outer conductor is connected with an outer thread on an outer wall of a small diameter section of a locking sleeve, and a rear end of a spring arranged in the rear outer conductor abuts against a second step surface of the stepped hole of the rear outer conductor, an outer thread on the rear contact head is connected with a thread on a hole wall behind the second step surface of the stepped hole of the rear outer conductor, and a rear end surface of the rear contact head abuts against a third step surface of the stepped hole of the rear outer conductor, a front end of the rear contact head is slidably connected in a guide ring hole formed by a rear end inner hole wall of the front outer conductor and an outer wall of the rear end of the insulating support, the inner hole wall of the rear insulating support is adapted to be located on the rear inner conductor through a barb, and a front end of the rear insulating support connected with the rear end of the rear contact head through the thread abuts against the step surface of the inner hole of the rear contact head, a fourth step surface of the stepped hole of the rear outer conductor is in contact with a step on the outer wall of the rear insulating support, and the rear inner conductor of the rear end part extending out of the rear insulating support is located outside the rear outer conductor and forms a microstrip line for connecting with a printed board in a microwave power transmission module, and a front end of the rear inner conductor is slidably connected in the front inner conductor of the front floating part, and the front floating part is connected with the quick alignment positioning connector of the microstrip connector and the mating connector through the axial floating amount and the radial floating amount inside the rear outer conductor.

[0008] Further, an L-shaped adapter of the front end of the rear contact head is connected with an inner hole wall of an L-shaped connector of the rear end of the front outer conductor of the front floating part, and a convex ring arranged at a hole position of the L-shaped connector is slidably connected with a convex part on the outer wall of the L-shaped adapter.

[0009] Further, the first step surface of the stepped hole of the rear outer conductor is matched with a positioning convex ring on the outer wall of the front outer conductor to position the limit position of the rear movement of the front outer conductor.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] 1. The technical scheme optimizes the connection structure of the microstrip connector, elastically and floatingly connects the front floating part and the rear fixed part through the spring and the locking sleeve, positions the front floating part arranged in the rear fixed part under the premise that the locking sleeve is threadedly connected with the front end of the fixed part, the locking sleeve is convenient and fast to disassemble and assemble, the technical scheme ensures that the floating butt joint connection between the multi-channel microwave transmission modules is realized and the normal transmission of signals is ensured, and the technical scheme solves the inconvenience of disassembly and maintenance of the microstrip connector caused by the traditional connection structure.

[0012] 2、The technical scheme adopts the design structure that the positioning convex ring of the front outer conductor one is located between the first step surface of the stepped hole of the locking shell and the rear outer conductor, the radial and axial floating conditions of the front floating part in the rear fixed part are ensured, and under the structure that the front end of the rear contact head slides and adapts to the guide ring hole formed by the inner hole wall of the rear end of the front outer conductor one and the outer wall of the rear end of the insulating support, the connector is ensured not to be damaged due to plugging, smooth transmission of the radio frequency signal is realized, and the printed board is ensured not to be damaged.

[0013] 3、The technical scheme fixes the rear outer conductor and the rear insulating support as a whole through the rear contact head with the inner thread and the outer thread, and facilitates disassembly and assembly of the rear fixed part under the premise of ensuring that the fixed structure is stable and reliable.

[0014] 4、The technical scheme has the advantages of simple structure, novel design, reduced assembly and disassembly difficulty, improved production and maintenance efficiency, reduced labor intensity, improved assembly and maintenance efficiency, realized quick positioning connection of the multi-pass microwave power transmission module, and high time use value. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below. Figure 1 It is obvious that the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] It should be noted that in this paper, without the opposite description, it is understood that: the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0018] In this document, the terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0019] The front floating microstrip connector comprises a front floating part and a rear fixed part, the rear end of the front floating part is adapted to the inside of the front end of the rear fixed part, the rear fixed part and the front floating part are elastically floatingly connected through a spring 8 and a locking sleeve 9, wherein the locking sleeve 9 is in a T-shaped structure in cross section and is arranged at the front end of the rear fixed part, the outer thread of the small-diameter section of the locking sleeve 9 is adaptedly connected with the threaded hole at the front end of the rear fixed part, the stepped surface formed by the large-diameter section and the small-diameter section of the locking sleeve 9 is positioned against the front end surface of the rear fixed part, and the positioning convex ring on the outer wall of the front floating part is positioned against the rear end of the locking sleeve 9 under the action of the spring 8, for positioning the forward limit position of the front floating part; in the above structure, the connection structure of the microstrip connector is optimized, the front floating part and the rear fixed part are elastically floatingly connected through the spring 8 and the locking sleeve 9, the front floating part assembled in the inside of the rear fixed part is positioned under the premise that the locking sleeve 9 is threadedly connected with the front end of the fixed part, the locking sleeve 9 is convenient and fast to disassemble and assemble, and the disadvantages of the microstrip connector disassembly and maintenance inconvenience caused by the traditional connection structure are solved under the premise that the floating butt joint connection between the multi-channel microwave transmission modules can be realized and the normal transmission of the signal is ensured;

[0020] The specific structure of the front floating part is as follows: the front floating part comprises a front outer conductor one 1, a front outer conductor two 2 arranged in the inner hole of the front outer conductor one 1, a front contact head 3, a spring washer 4, a front insulating support 5, a front inner conductor 6 and an insulating support 7, the front insulating support 5 and the insulating support 7 behind it are sleeved on the front inner conductor 6, the inner ring of the front insulating support 5 is adapted to the positioning ring groove on the outer wall of the front inner conductor 6, and the front insulating support 5 is tightly positioned on the front inner conductor 6 by the insulating support 7, the outer wall of the front insulating support 5 is connected with the inner wall at the middle position of the inner hole of the front outer conductor one 1 through a barb, and the rear end of the front insulating support 5 is positioned on the rear step surface of the inner hole of the middle diameter section of the front outer conductor one 1, the spring washer 4 and the front contact head 3 in front of it are arranged in the inner hole of the large diameter section of the front outer conductor one 1, and the spring washer 4 is positioned on the front step surface of the inner hole of the front outer conductor one 1, the front outer conductor two 2 is connected to the inner hole of the large diameter section of the front outer conductor one 1 through a barb and tightly positions the front contact head 3 on the spring washer 4, and the front end of the front contact head 3 is adapted to the inside of the front outer conductor two 2, the rear end of the locking sleeve 9 is positioned on the front side ring surface of the positioning convex ring on the outer circumferential wall of the front outer conductor one 1, and the front end of the spring 8 sleeved on the front outer conductor one 1 is positioned on the rear side ring surface of the positioning convex ring.

[0021] The specific structure of the rear fixing part is as follows: the rear fixing part comprises a rear outer conductor 10, a rear contact head 11 located in a stepped hole of the rear outer conductor 10, a rear insulating support 12 and a rear inner conductor 13, the inner hole of the rear outer conductor 10 is a multi-step stepped hole with a hole diameter decreasing from front to back, the internal thread on the hole wall of the front end of the rear outer conductor 10 is adaptively connected with the external thread on the outer wall of the small-diameter section of the locking sleeve 9, and the rear end of the spring 8 arranged in the rear outer conductor 10 abuts against the second step surface of the stepped hole of the rear outer conductor 10, the external thread on the rear contact head 11 is adaptively connected with the thread on the hole wall on the rear side of the second step surface of the stepped hole of the rear outer conductor 10, and the rear end surface of the rear contact head 11 abuts against the third step surface of the stepped hole of the rear outer conductor 10, the front end of the rear contact head 11 is slidably adapted in the guide ring hole formed by the inner hole wall of the rear end of the front outer conductor 1 and the outer wall of the rear end of the insulating support 7, the inner hole wall of the rear insulating support 12 is adaptively positioned on the rear inner conductor 13 through a barb, and the front end of the rear insulating support 12 threadedly connected with the rear end of the rear contact head 11 abuts against the step surface of the inner hole of the rear contact head 11, the fourth step surface of the stepped hole of the rear outer conductor 10 is in contact with the step on the outer wall of the rear insulating support 12, and the rear inner conductor 13 of the rear end of the rear insulating support 12 is located outside the rear outer conductor 10 and forms a microstrip line for connecting with a printed board in a microwave power transmission module, the front end of the rear inner conductor 13 is slidably adapted in the front inner conductor 6 of the front floating part, and the front floating part is connected with the quick alignment positioning connector of the microstrip connector and the counter connector through the axial floating amount and the radial floating amount inside the rear outer conductor 10; in the above structure, the rear contact head 11 with the internal thread and the external thread is used to fixedly connect the rear outer conductor 10 and the rear insulating support 12 as a whole, so that the rear fixing part is convenient to disassemble and assemble under the premise of ensuring the stable and reliable fixed structure.

[0022] The L-shaped adapter 11-1 protruding outward from the front end of the rear contact head 11 is adaptively connected with the inner hole wall of the L-shaped connector 1-1 at the rear end of the front outer conductor 1 in the front floating part, and when the convex ring arranged at the hole along position of the L-shaped connector 1-1 is axially slid to the convex part on the outer wall of the L-shaped adapter 11-1, the two are adaptively connected, which ensures the compact connection between the rear contact head 11 and the front outer conductor 1 under the premise of ensuring the reliable contact between the rear contact head 11 and the front outer conductor 1, and avoids the separation of the two.

[0023] The first step surface in the stepped hole of the rear outer conductor 10 cooperates with the positioning convex ring on the outer wall of the front outer conductor 1 to position the limit position of the rear movement of the front outer conductor 1; in the above structure, the design structure that the positioning convex ring of the front outer conductor 1 is located between the locking shell 9 and the first step surface in the stepped hole of the rear outer conductor 10 is adopted, the radial and axial floating conditions of the front floating part in the rear fixed part are ensured, and the structure that the front end of the rear contact 11 slides and adapts to the guide ring hole formed by the inner hole wall of the rear end of the front outer conductor 1 and the outer wall of the rear end of the insulating support 7 is ensured that the connector will not be damaged due to plug-in, the smooth transmission of the radio frequency signal is realized, and the printed board is not damaged;

[0024] The technical scheme has the advantages of simple structure, novel design, reduced assembly and disassembly difficulty, improved production and maintenance efficiency, reduced labor intensity, improved assembly and maintenance efficiency, relative fixation of the connector and the printed board connection part, prevention of damage to the structure of the printed board due to axial and radial changes of the connector, effective realization of the radio frequency signal transmission function of the product, and high time value.

[0025] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical scheme, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical schemes in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A front-floating microstrip connector, characterized in that: It includes a front floating part and a rear fixed part. The rear end of the front floating part is adapted to the front end of the rear fixed part. The rear fixed part and the front floating part are elastically floatingly connected by a spring (8) and a locking sleeve (9). The locking sleeve (9) has a T-shaped cross-section and is located at the front end of the rear fixed part. The external thread of the small diameter section of the locking sleeve (9) is adapted to the threaded hole at the front end of the rear fixed part. The stepped surface formed by the large diameter section and the small diameter section of the locking sleeve (9) abuts against the front end surface of the rear fixed part for positioning. The positioning protrusion on the outer wall of the front floating part abuts against the rear end of the locking sleeve (9) under the action of the spring (8) for positioning the front floating part at its maximum forward movement position.

2. The front-floating microstrip connector according to claim 1, characterized in that: The front floating part includes a front outer conductor one (1) and a front outer conductor two (2) disposed in the inner hole of the front outer conductor one (1), a front contact head (3), a spring washer (4), a front insulating support (5), a front inner conductor (6), and an insulating support (7). The front insulating support (5) and its rear insulating support (7) are both fitted onto the front inner conductor (6), and the inner ring of the front insulating support (5) is adapted to the positioning ring groove on the outer wall of the front inner conductor (6), and the insulating support (7) presses the front insulating support (5) against the front inner conductor (6). The outer wall of the front insulating support (5) is connected to the inner wall of the inner diameter position of the inner hole of the front outer conductor one (1) by barbs, and the rear end of the front insulating support (5) abuts against the front outer conductor one (1). 1) Positioned on the rear step surface of the inner hole of the middle diameter section, the spring washer (4) and the front contact head (3) on its front side are both located in the inner hole of the large diameter section of the front outer conductor one (1), and the spring washer (4) is positioned on the front step surface of the inner hole of the front outer conductor one (1). The front outer conductor two (2) is connected to the inner hole of the large diameter section of the front outer conductor one (1) by barbs and the front contact head (3) is pressed against and positioned on the spring washer (4). The front end of the front contact head (3) is adapted to the inside of the front outer conductor two (2). The rear end of the locking sleeve (9) abuts against the front ring surface of the positioning protrusion on the outer circumferential wall of the front outer conductor one (1), and the front end of the spring (8) fitted on the front outer conductor one (1) abuts against the rear ring surface of the positioning protrusion.

3. The front-floating microstrip connector according to claim 1 or 2, characterized in that: The rear fixing part includes a rear outer conductor (10) and a rear contact head (11), a rear insulating support (12), and a rear inner conductor (13) located in the stepped hole of the rear outer conductor (10). The inner hole of the rear outer conductor (10) is a multi-step stepped hole with the diameter decreasing from front to back. The internal thread on the front end hole wall of the rear outer conductor (10) is adapted to the external thread on the outer wall of the small diameter section of the locking sleeve (9). The rear end of the spring (8) installed in the rear outer conductor (10) abuts against the second stepped surface of the stepped hole of the rear outer conductor (10). The external thread on the rear contact head (11) is adapted to the thread on the rear side hole wall of the second stepped surface in the stepped hole of the rear outer conductor (10). The rear end face of the rear contact head (11) abuts against the third stepped surface of the stepped hole of the rear outer conductor (10). The front end of the rear contact head (11) is slidably adapted to the rear end inner hole wall of the front outer conductor (1). In the guide ring hole formed with the outer wall of the rear end of the insulating support (7), the inner wall of the rear insulating support (12) is positioned on the rear inner conductor (13) by barbs, and the front end of the rear insulating support (12) which is threaded to the rear end of the rear contact head (11) abuts against the stepped surface of the inner hole of the rear contact head (11). The fourth step surface in the stepped hole of the rear outer conductor (10) contacts the step on the outer wall of the rear insulating support (12), and the rear inner conductor (13) which extends out of the rear insulating support (12) is located outside the rear outer conductor (10) and forms a microstrip line for connection with the printed circuit board in the microwave power transmission module. The front end of the rear inner conductor (13) is slidably adapted to the front inner conductor (6) of the front floating part. The front floating part achieves quick alignment and positioning connection with the microstrip connector and the mating connector in the rear outer conductor (10) through axial floating amount and radial floating amount.

4. The front-floating microstrip connector according to claim 3, characterized in that: The L-shaped connector (11-1) protruding outward from the front end of the rear contact head (11) is engaged with the inner wall of the L-shaped connector (1-1) at the rear end of the front outer conductor (1) in the front floating part, and the convex ring located at the hole edge of the L-shaped connector (1-1) slides axially to the protruding part on the outer wall of the L-shaped connector (11-1) and the two are compatible.

5. The front-floating microstrip connector according to claim 4, characterized in that: The first stepped surface in the stepped hole of the rear outer conductor (10) cooperates with the positioning protrusion on the outer wall of the front outer conductor (1) to position the extreme position of the rearward movement of the front outer conductor (1).

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