CN214280179U - Phase shifter fixing device and antenna - Google Patents

Abstract

The utility model relates to a phase shifter fixing device and an antenna, wherein the phase shifter fixing device comprises two supporting frames and a fixed seat for installing a phase shifter, and the two supporting frames are respectively arranged at two sides of the fixed seat; the supporting frame extends towards the direction far away from the fixed seat, an installation surface is arranged at one end, far away from the fixed seat, of the supporting frame, a clamping piece is arranged on the installation surface, and the clamping piece is used for being matched and clamped with an installation hole in a reflecting plate of an antenna so as to fix the phase shifter on the reflecting plate. The phase shifter fixing device provided by the disclosure can be used for conveniently assembling the phase shifter on the reflecting plate of the antenna, has a simple structure, is convenient to assemble, and improves the assembly efficiency.

Description

Phase shifter fixing device and antenna

Technical Field

The present disclosure relates to the field of mobile communications technologies, and in particular, to a phase shifter fixing device and an antenna.

Background

In the electrically tunable base station antenna, the phase shifter is an important core component which affects the performance of the antenna, so whether the phase shifter is stably installed and stably operates directly relates to the performance of the whole antenna.

Currently, the phase shifter is usually fixed on the reflection plate of the antenna by a connector, such as a screw, and a special installation tool, such as a screwdriver, is required for the fixation, so that the installation is troublesome and labor is consumed.

SUMMERY OF THE UTILITY MODEL

To solve the technical problem or at least partially solve the technical problem, the present disclosure provides a phase shifter fixing device and an antenna.

In order to achieve the above object, one aspect of the present disclosure provides a phase shifter fixing device, including two supporting frames and a fixing base for mounting a phase shifter, where the two supporting frames are respectively disposed on two sides of the fixing base;

the supporting frame extends towards the direction far away from the fixed seat, an installation surface is arranged at one end, far away from the fixed seat, of the supporting frame, a clamping piece is arranged on the installation surface, and the clamping piece is used for being matched and clamped with an installation hole in a reflecting plate of an antenna so as to fix the phase shifter on the reflecting plate.

Optionally, the snap piece comprises a connecting column and a snap projection; one end of the connecting column is connected with the mounting surface, the other end of the connecting column is connected with the clamping protrusion, when the clamping piece is clamped in place with the mounting hole, the connecting column penetrates through the mounting hole, and the clamping protrusion is arranged on one side, deviating from the mounting surface, of the reflecting plate.

Optionally, one surface of the clamping protrusion facing the mounting surface is provided with a first guide inclined surface, and the first guide inclined surface is obliquely arranged from the edge of the clamping protrusion to the direction of the connecting column.

Optionally, at least one stop rib is arranged on the mounting surface; the stop ribs protrude towards the direction far away from the mounting surface, and the protruding height of the stop ribs is smaller than the extending height of the connecting column, so that a first accommodating gap for accommodating the reflecting plate is formed between one surface, far away from the mounting surface, of the stop ribs and one surface, facing towards the mounting surface, of the clamping protrusions; and the position of the reflecting plate corresponding to the stopping ribs is provided with avoidance grooves for avoiding the stopping ribs.

Optionally, the number of the stopping ribs is two, and the two stopping ribs are respectively arranged on two sides of the clamping piece.

Optionally, at least one limiting protrusion for matching with a limiting hole on the reflector plate is arranged on the mounting surface, and the limiting protrusion extends towards a direction far away from the mounting surface; when the clamping piece is clamped with the mounting hole, the limiting protrusion extends into the limiting hole.

Optionally, one surface of the limiting protrusion, which is far away from the mounting surface, is provided with a second guide inclined surface.

Optionally, the support frame comprises a wire protection structure for fixing a cable of the phase shifter; the wire protecting structure comprises a clamping cavity for accommodating the cable, and the clamping cavity is provided with a notch so that the cable enters the clamping cavity from the notch.

Optionally, the fixing seat includes two oppositely disposed substrates, two opposite sides of the substrate are respectively provided with a hook and a buckle for fixing the phase shifter on the substrate, and the hook and the buckle extend in the same direction away from the substrate; the extending directions of the hooks and the buckles of the two substrates are opposite.

Optionally, a surface of the substrate, which is in contact with the phase shifter, is provided with a limit pin, and the limit pin is used for matching with a limit pin hole formed in the surface of the phase shifter.

Another aspect of the present disclosure provides an antenna, including a reflection plate, a phase shifter, and the phase shifter fixing device described above, where the phase shifter is mounted on the reflection plate through the phase shifter fixing device.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a move looks ware fixing device and antenna, through set up the support frame that the orientation kept away from the direction extension of fixing base in fixing base both sides, set up the fastener that can match the block with the mounting hole on the antenna reflecting plate on the installation face of keeping away from fixing base one end of support frame. During the specific use, will move the looks ware and install on the fixing base, with the fastener on two support frames and the mounting hole alignment on the reflecting plate, can accomplish the installation of moving the looks ware on the reflecting plate in going into the mounting hole with the fastener card, that is to say, need not to use special mounting tool can accomplish the installation of moving the looks ware, convenient assembling has improved the assembly efficiency of moving the looks ware on the reflecting plate, has reduced the cost of labor to a certain extent.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a phase shifter fixing device according to an embodiment of the disclosure;

FIG. 2 is another perspective view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is another side view of FIG. 1;

FIG. 5 is a partial schematic view of a phase shifter fixing device and a phase shifter according to an embodiment of the disclosure;

FIG. 6 is a schematic diagram of a phase shifter fixing device and a phase shifter according to an embodiment of the disclosure;

fig. 7 is a schematic view of fig. 6 assembled on a reflection plate.

Wherein, 10-fixed seat; 11-a substrate; 12-a hook; 13-buckling; 14-a limit pin; 15-a barrier layer; 20-a support frame; 21-a mounting surface; 22-a wire guard structure; 221-a clamping cavity; 222-a gap; 30-a snap-fit; 31-connecting column; 32-snap projection; 33-a first guiding ramp; 40-stop ribs; 41-a third guiding bevel; 50-limiting protrusions; 51-a second guide ramp; 61-a first accommodation gap; 62-a second receiving space; 70-a phase shifter; 71-a limit pin hole; 72-a cable; 73-wiring groove; 74-fixed groove; 80-reflecting plate.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Example one

Referring to fig. 1 to 7, the present embodiment provides a phase shifter fixing device, which includes two supporting frames 20 and a fixing base 10 for mounting a phase shifter 70, wherein the two supporting frames 20 are respectively disposed at two sides of the fixing base 10; the supporting frame 20 extends in a direction away from the fixing base 10, and one end of the supporting frame 20 away from the fixing base 10 has a mounting surface 21, the mounting surface 21 is provided with an engaging piece 30, and the engaging piece 30 is used for matching and engaging with a mounting hole (not shown) on the reflector 80 of the antenna, so as to fix the phase shifter 70 on the reflector 80.

Through the above technical solution, in the phase shifter fixing device (hereinafter referred to as "fixing device") provided by the present disclosure, by providing the fixing base 10 and the two supporting frames 20, the two supporting frames 20 are respectively disposed at two sides of the fixing base 10, wherein the supporting frames 20 extend toward a direction away from the fixing base 10, an end of the supporting frame 20 away from the fixing base 10 is provided with the mounting surface 21, the mounting surface 21 is provided with the engaging member 30, and the engaging member 30 is used for being engaged with the mounting hole on the reflector 80 of the antenna in a matching manner, so as to fix the phase shifter 70 on the reflector 80. When the phase shifter is used specifically, the phase shifter 70 is firstly installed on the fixed seat 10, so that the phase shifter 70 and the fixed seat 10 are relatively fixed, that is, the phase shifter 70 and the fixing device provided by the present disclosure are relatively fixed together; then, align the fastener 30 on two support frames 20 with the mounting hole on the reflecting plate 80, can accomplish the installation of phase shifter 70 with fastener 30 card income mounting hole, that is to say, need not to use special mounting tool can accomplish the installation of phase shifter, and convenient assembling has improved the assembly efficiency of phase shifter 70 on reflecting plate 80, has reduced the cost of labor to a certain extent.

In this embodiment, the fixing base 10 may have various implementation forms, and may be configured to stably fix the phase shifter 70. One phase shifter 70 may be mounted on one of the holders 10, or two phase shifters 70 may be stacked. When one phase shifter 70 is arranged on the fixed seat 10 in a single layer, the opening of the fixed seat 10 for the phase shifter 70 to enter and exit can be arranged towards one side of the installation surface 21, and can also be arranged towards one side far away from the installation surface 21, so that the layout is flexible; when two phase shifters 70 are stacked on the fixing base 10, the openings of the fixing base 10 for the two phase shifters 70 to enter and exit are arranged in a reverse manner, so that the assembly is convenient.

The phase shifter 70 may be fixed to the reflection plate 80 by one fixing device provided in the present disclosure, or may be fixed to the reflection plate 80 by two or more fixing devices, where the two or more fixing devices are spaced apart from each other in the longitudinal direction of the phase shifter 70.

In a specific implementation, the two supporting frames 20 are respectively disposed on two sides of the fixing base 10, and the supporting frame 20 extends toward a direction away from the fixing base 10, for example, the supporting frame 20 may be disposed on two sides of the fixing base 10 substantially vertically.

When the support frame 20 and the fixing seat 10 are used specifically, the support frame 20 and the fixing seat 10 may be a non-metal support frame and a non-metal fixing seat, respectively, for example, the support frame 20 and the fixing seat 10 may be made of high-strength plastic or fiber-reinforced plastic, for example, one or more of PA, PPS, and PEEK, so that they have high strength, good stability, and high reliability.

The non-metal support frame and the non-metal fixing seat can avoid the potential problem that three-order intermodulation is abnormal, so that a stable and reliable antenna operation environment is formed.

In addition, the clamping piece 30 is connected with the mounting hole on the reflection plate 80 in a clamping manner, the phase shifter 70 can be assembled on the reflection plate 80 by utilizing the structure of the phase shifter, additional metal screws are not needed for fastening, the use of spare and accessory parts is reduced, the assembly process of the phase shifter 70 is simplified, the probability of abnormity of three-order intermodulation is reduced to a certain extent, meanwhile, the risk of stress failure caused by easy looseness of threaded connection in the prior art is also overcome, and the stability and the reliability of the antenna during operation are ensured.

In addition, the holder 10 and the support 20 may be connected together in any suitable manner and remain relatively fixed. For example, the fixing seat 10 and the supporting frame 20 can be integrally formed by injection molding, and have good structural strength and high integrity. Of course, the fixing base 10 and the supporting frame 20 may be separate components and parts, and are fixed together by structural adhesive or welding, so as to meet the strength requirement.

In addition, the mounting surface 21 can have various implementation manners, when the engaging member 30 is engaged with the mounting hole of the reflective plate 80, the mounting surface 21 can be stably attached to and abutted against one surface of the reflective plate 80 close to the fixing device, so that a force transmission surface is enlarged, and the bearing capacity and the stretch-proof capacity of the supporting frame 20 are improved.

As an alternative embodiment, the engaging member 30 may also be directly disposed on an end of the supporting frame 20 away from the fixing base 10, which is simple in structure and easy to implement.

In the present embodiment, referring to fig. 3, the engaging member 30 includes a connecting column 31 and a locking protrusion 32, one end of the connecting column 31 is connected to the mounting surface 21, the other end of the connecting column 31 is connected to the locking protrusion 32, when the engaging member 30 is locked in place with the mounting hole, the connecting column 31 is inserted into the mounting hole, and the locking protrusion 32 is blocked at a side of the reflection plate 80 away from the mounting surface 21.

The engaging member 30 may be a non-metal engaging member, for example, the engaging member 30 may be made of high-strength plastic or fiber-reinforced plastic, and the non-metal engaging member is engaged with the mounting hole of the reflection plate 80, so that the phase shifter 70 can be directly fixed on the reflection plate 80. On one hand, the fixing device can be fixed on the reflecting plate 80 by utilizing the self structure of the fixing device without additionally adopting screw fastening, thereby simplifying the assembly process and saving the labor cost. On the other hand, the use of non-metallic fastener can avoid the three-order intermodulation to take place unusual latent problem to form reliable and stable antenna operational environment.

The engaging piece 30 may be a separate member and then connected to the support bracket 20 or the mounting surface 21 by structural adhesive, welding, or the like, but the engaging piece 30 may be integrally formed with the support bracket 20 or the mounting surface 21.

In addition, referring to fig. 3 and 4, the projection size of the connecting column 31 on the mounting surface 21 is smaller than the projection size of the clamping protrusion 32 on the mounting surface 21, so that when the engaging member 30 is engaged with the mounting hole in place, the connecting column 31 is inserted into the mounting hole, and the clamping protrusion 32 is blocked at the side of the reflective plate 80 away from the mounting surface 21, that is, a second accommodating gap 62 for accommodating the reflective plate 80 is formed at the mounting surface 21 and the side of the clamping protrusion 32 close to the mounting surface 21, and the height of the second accommodating gap 62 is adapted to the reflective plate 80 with the first thickness.

The engaging piece 30 may be an L-shaped engaging piece 30, a T-shaped engaging piece 30, or any other suitable structure that can engage with the mounting hole of the reflector 80.

For the convenience of assembly, referring to fig. 3, a side of the snap projection 32 facing the mounting surface 21 has a first guide slope 33, and the first guide slope 33 is inclined in a direction from an edge of the snap projection 32 to the connection post 31.

Wherein, at least part of the edge of the locking projection 32 is formed with a first guiding inclined plane 33, that is, the first guiding inclined plane 33 can be formed by inclining from part of the edge of the locking projection 32 to the direction of the connecting column 31, and the first guiding inclined plane 33 can also be formed by inclining all the circumferential edges of the locking projection 32 to the direction of the connecting column 31.

During specific assembly, can cooperate with the mounting hole of reflecting plate 80 with partial first direction inclined plane 33 earlier, then promote or remove fastener 30 along the incline direction of first direction inclined plane 33, so that spliced pole 31 wears to establish in the mounting hole, protruding 32 fender of card is established in one side that deviates from installation face 21 of reflecting plate 80, can install fixing device on reflecting plate 80 through the cooperation block of fastener 30 with the mounting hole of reflecting plate 80, moreover, the steam generator is simple in structure, and convenient for assembly, need not additionally adopt the screw fastening, the assembly process has been simplified, the labor cost is saved.

In the present embodiment, as shown in fig. 2 to 4, in order to improve the applicability of the fixing device provided by the present disclosure, at least one stop rib 40 is provided on the mounting surface 21; the stopping rib 40 protrudes towards the direction far away from the mounting surface 21, the protruding height of the stopping rib 40 is smaller than the extending height of the connecting column 31, so that a first accommodating gap 61 for accommodating the reflecting plate 80 is formed between one surface of the stopping rib 40 far away from the mounting surface 21 and one surface of the clamping protrusion 32 facing the mounting surface 21, and the height of the first accommodating gap 61 is adapted to the reflecting plate 80 with the second thickness. Therefore, the fixing device provided by the disclosure is applicable to the reflecting plates 80 with two different thicknesses, has high repeated utilization rate and good applicability, and saves the cost to a certain extent.

During the specific use, when fastener 30 and mounting hole block put in place, spliced pole 31 wears to establish in the mounting hole, and the protruding 32 fender of card is established in the one side that deviates from installation face 21 of reflecting plate 80, and the reflecting plate 80 card is established between the one side of keeping away from installation face 21 of backstop rib 40 and the one side of the protruding 32 orientation installation face 21 of card, promptly, reflecting plate 80 block supports the top in second accommodation clearance 62, simple structure, easy to realize, convenient assembling.

For the convenience of assembly, a third guiding inclined surface 41 is provided on at least one side wall of the stopping rib 40 along the assembly direction of the snap bead 32, and the third guiding inclined surface 41 is inclined from the edge of the stopping rib 40 on the side far away from the mounting surface 21 to the mounting surface 21.

In addition, the surface of the stopper rib 40 away from the mounting surface 21 may be rectangular, circular, or oval, as long as it can be closely attached to the reflection plate 80 and stably abut against the reflection plate.

In addition, the stop rib 40 may be one, and a surface of the stop rib 40 away from the mounting surface 21 is large enough to stably clamp the reflection plate 80 in the first receiving gap 61. Of course, the stop rib 40 may also be provided in plurality, and a plurality of stop ribs 40 are arranged at intervals on the mounting surface 21.

Furthermore, the stop rib 40 may be a non-metal stop rib, for example, the stop rib 40 may be made of high-strength plastic or fiber-reinforced plastic, and the stop rib 40 may be a separate component and then connected to the mounting surface 21 by structural adhesive or welding, and of course, the stop rib 40 may also be integrally formed with the mounting surface 21.

In the present embodiment, for the convenience of assembly, an escape groove (not shown) for escaping the stopper rib 40 is provided at a position of the reflection plate 80 corresponding to the stopper rib 40.

In concrete implementation, when the thickness of the reflection plate 80 is the reflection plate 80 with the second thickness, the reflection plate 80 with the second thickness can be clamped and abutted against the second accommodating gap 62 through the matching connection of the clamping piece 30 and the mounting hole on the reflection plate 80 and when the clamping is in place, so that the assembly is convenient.

Wherein, when the thickness of reflecting plate 80 is the reflecting plate 80 of first thickness, need not to purchase again or adopt new looks shifter fixing device, only offer the groove of dodging that is used for dodging backstop rib 40 in the position of the corresponding backstop rib 40 of reflecting plate 80, during the assembly, with backstop rib 40 complete holding in the groove of dodging that corresponds, at this moment, but the reflecting plate 80 of first thickness block supports the top in first accommodation clearance 61, moreover, the steam generator is simple in structure, easy to realize, convenient assembling, the suitability of the fixing device that this disclosure provided has been improved.

In addition, when the depth of the avoiding groove is smaller than the extending height of the stopping rib 40 in the direction away from the mounting surface 21, during assembly, the stopping rib 40 cannot be completely accommodated in the corresponding avoiding groove, that is, the stopping rib 40 is partially accommodated in the corresponding avoiding groove, at this time, the surface of the stopping rib 40 away from the mounting surface 21 is abutted against the bottom of the avoiding groove, at this time, the reflecting plate 80 with the third thickness can be accommodated on the mounting surface 21 and the surface of the clamping protrusion 32 facing the mounting surface 21, the thickness of the third reflecting plate 80 is between the thickness of the first reflecting plate 80 and the thickness of the first reflecting plate 80, the applicability of the fixing device provided by the disclosure is improved, and the cost is controlled.

In addition, for ease of assembly, the longitudinal dimension of the escape groove is greater than the longitudinal dimension of the stop rib 40.

Preferably, there are two stop ribs 40, and the two stop ribs 40 are respectively disposed on two sides of the engaging member 30.

In the present embodiment, referring to fig. 2 and 3, in order to more stably mount the fixing device on the reflection plate 80, at least one limiting protrusion 50 for matching with a limiting hole (not shown) on the reflection plate 80 is provided on the mounting surface 21, and the limiting protrusion 50 extends in a direction away from the mounting surface 21.

The extending height of the limiting protrusion 50 is greater than that of the stopping rib 40, and the extending height of the limiting protrusion 50 is less than that of the connecting column 31, so that when the clamping piece 30 is clamped with the mounting hole, the limiting protrusion 50 extends into the limiting hole.

In addition, after the reflecting plate 80 is installed in place, the limiting protrusion 50 is matched with the clamping protrusion 32, and the movement of the reflecting plate 80 along the horizontal plane can be limited at the same time, so that the hidden trouble problem of three-order intermodulation caused by instable installation of the phase shifter 70 is avoided, a stable and reliable antenna operation environment is formed, and the phenomenon that the phase shifter 70 in the prior art is complex to assemble is overcome.

In addition, the number of the limiting protrusions 50 may be one or more, and when the number of the limiting protrusions 50 is plural, the plurality of limiting protrusions 50 are provided on the mounting surface 21 at intervals. Preferably, there are two limiting protrusions 50, and the two limiting protrusions 50 are respectively disposed on two sides of the engaging member 30.

In a specific implementation, for convenience of assembly, a second guiding inclined surface 51 is provided on a surface of the limiting protrusion 50 away from the mounting surface 21, and the second guiding inclined surface 51 is inclined in a direction from an edge of the surface of the limiting protrusion 50 away from the mounting surface 21 to the mounting surface 21.

The second guiding inclined surfaces 51 of all the limiting protrusions 50 are inclined in the same direction, and preferably, the second guiding inclined surfaces 51 of all the limiting protrusions 50 and the third guiding inclined surfaces 41 are also inclined in the same direction.

In the present embodiment, referring to fig. 1 and 2, the supporting bracket 20 includes a wire protecting structure 22 for fixing the cable 72 of the phase shifter 70, and the wire protecting structure 22 is used for fixing and protecting the coaxial cable 72 connected to the phase shifter 70, so as to prevent the coaxial cable from falling off from the phase shifter 70 when an external force is applied, thereby improving the stability and reliability of the operation of the antenna.

The wire protection structure 22 includes a clamping cavity 221 for accommodating the cable 72, and the clamping cavity 221 has a notch 222, that is, the wire protection structure 22 is formed into an annular structure with an opening, so that the cable 72 enters the clamping cavity 221 through the notch 222. In particular, the cable 72 is inserted through the slit 222 and fitted into the clamping cavity 221, so that the cable 72 is axially fixed in the clamping cavity 221, thereby accommodating the coaxial cable 72 on the phase shifter 70 in the clamping cavity 221, and the clamping cavity 221 can fix and protect the cable, thereby providing stability and reliability to the phase shifter 70 during operation. The wire protection structure 22 has a simple structure, is flexible and convenient in installation position, occupies a small space, facilitates antenna layout, and is beneficial to lightening and thinning of the antenna structure.

In addition, the clamping cavity 221 may be provided in any suitable form, such as an arc, a square, an oval, etc., as long as the clamping cavity 221 can be tightly attached to the outside of the cable 72 and can fix and protect the cable.

In addition, the wire guard structure 22 may be a non-metal wire guard structure, for example, the wire guard structure 22 may be made of high-strength plastic or fiber-reinforced plastic, so that it has high strength, stability and reliability.

In a specific implementation, the wire protecting structure 22 may be a separate component, and then is connected to the supporting frame 20 by structural adhesive or welding, or of course, the wire protecting structure 22 may also be integrally formed with the supporting frame 20.

The wire protection structures 22 may be multiple, and the multiple wire protection structures 22 are respectively disposed on the outer side of the support frame 20, so that the installation position is flexible. In a specific implementation, a plurality of wire protection structures 22 may be arranged along the extending direction of the supporting frame 20. In addition, the wire protection structure 22 can be designed into different structures according to the requirements of different mechanical properties when the protected coaxial cable is bent.

In this embodiment, referring to fig. 1 and fig. 2, the fixing base 10 includes two substrates 11 disposed oppositely, two opposite sides of the substrate 11 are respectively provided with a hook 12 and a buckle 13 for fixing the phase shifter 70 on the substrate 11, and the hook 12 and the buckle 13 extend in the same direction away from the substrate 11; the extending directions of the hooks 12 and the buckles 13 of the two substrates 11 are opposite.

When the antenna is used specifically, the two phase shifters 70 can be arranged in a stacked mode through the fixing seat 10, the layout space is saved, the size and the weight of the antenna can be reduced, the antenna is convenient to install, interference among parts is reduced to a certain extent, and the layout of the antenna is optimized.

In the present embodiment, a plurality of wiring grooves 73 and fixing grooves 74 are formed on a set of oppositely disposed side walls of the phase shifter 70, wherein the wiring grooves 73 are disposed at intervals in the height direction of the phase shifter 70, the fixing grooves 74 are disposed between two adjacent wiring grooves 73, and both the wiring grooves 73 and the fixing grooves 74 extend in the longitudinal direction of the phase shifter.

Wherein, the buckle 13 and the hook 12 both have certain elasticity so that they can be connected with the phase shifter in a matching way in a springing way. When the phase shifter is used, the end of the latch 13 is bent inward to form an arc, so as to be engaged with the wiring groove 73 on the side wall of the phase shifter 70. The hook 12 has a hook at its end to engage with a fixing groove 74 formed in a side wall of the phase shifter 70.

In addition, the hook 12 and the buckle 13 are flexible on the basis of meeting the strength requirement, and have certain stretching and opening capabilities, so that the hook 12 and the buckle 13 can be buckled and locked after assembly is completed, and clamping and holding of the phase shifter 70 are further realized.

In the present embodiment, the two substrates 11 are disposed opposite to each other and the interlayer 15 is disposed between the two substrates 11, so that the two phase shifters 70 mounted in a stacked manner can be separated by the interlayer 15, thereby preventing the two phase shifters 70 from contacting each other to generate signal interference.

Further, as shown in fig. 1 and 2, a surface of the substrate 11 contacting the phase shifter 70 is provided with a stopper pin 14, and the stopper pin 14 is configured to be engaged with a stopper pin hole 71 formed in a surface of the phase shifter 70.

When the phase shifter is used specifically, the phase shifter 70 can be pre-positioned on the substrate 11 due to the butt joint of the limit pin 14 and the limit pin hole 71, and the phase shifter 70 can be accurately and stably installed in the clasping state of the clamping hook 12 and the clamping buckle 13.

In addition, for the convenience of assembly, one surface of the stopper pin 14 away from the mounting surface 21 has a stopper guide slope that is inclined in a direction from an edge of the surface of the stopper pin 14 away from the mounting surface 21 to the mounting surface 21.

Example two

Referring to fig. 1 to 7, the present disclosure also provides an antenna including a reflection plate 80, a phase shifter 70, and a phase shifter fixing device.

Wherein the phase shifter 70 is mounted on the reflection plate 80 by a phase shifter fixing device.

The phase shifter fixing device in this embodiment has the same structure as the phase shifter fixing device provided in the first embodiment, and can bring about the same or similar technical effects, and details are not repeated herein, and specific reference can be made to the description of the first embodiment.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (11)

1. The phase shifter fixing device is characterized by comprising two support frames (20) and a fixing seat (10) for mounting a phase shifter, wherein the two support frames (20) are respectively arranged on two sides of the fixing seat (10);

the supporting frame (20) extends towards the direction far away from the fixed seat (10), one end, far away from the fixed seat (10), of the supporting frame (20) is provided with a mounting surface (21), a clamping piece (30) is arranged on the mounting surface (21), and the clamping piece (30) is used for being matched and clamped with a mounting hole in a reflecting plate (80) of an antenna, so that the phase shifter (70) is fixed on the reflecting plate (80).

2. The phase shifter fixing device according to claim 1, wherein the snap-fit member (30) comprises a connecting post (31) and a snap-fit projection (32);

the one end of spliced pole (31) with installation face (21) are connected, the other end of spliced pole (31) with block protruding (32) and connect, fastener (30) with when the mounting hole block targets in place, spliced pole (31) are worn to establish in the mounting hole, block protruding (32) keep off and establish deviating from of reflecting plate (80) one side of installation face (21).

3. The phase shifter fixing device according to claim 2, wherein a face of the snap projection (32) facing the mounting face (21) has a first guide slope (33), and the first guide slope (33) is provided obliquely in a direction from an edge of the snap projection (32) to the attachment post (31).

4. Phase shifter fixing device according to claim 2, characterized in that at least one stop rib (40) is provided on the mounting surface (21);

the stop rib (40) protrudes towards the direction far away from the mounting surface (21), the protruding height of the stop rib (40) is smaller than the height of the connecting column (31), and a first accommodating gap (61) for accommodating a reflecting plate (80) is formed between one surface, far away from the mounting surface (21), of the stop rib (40) and one surface, facing towards the mounting surface (21), of the clamping protrusion (32);

an avoiding groove for avoiding the stopping rib (40) is arranged at the position, corresponding to the stopping rib (40), of the reflecting plate (80).

5. The phase shifter fixing device according to claim 4, wherein there are two stop ribs (40), and two stop ribs (40) are provided on both sides of the engaging piece (30).

6. The phase shifter fixing device according to any one of claims 1 to 5, wherein the mounting surface (21) is provided with at least one limiting protrusion (50) for matching with a limiting hole of the reflection plate (80), the limiting protrusion (50) extending away from the mounting surface (21);

when the clamping piece (30) is clamped with the mounting hole, the limiting protrusion (50) extends into the limiting hole.

7. The phase shifter fixing device according to claim 6, wherein a face of the position-defining protrusion (50) facing away from the mounting face (21) has a second guide slope (51).

8. The phase shifter fixing device according to any one of claims 1 to 5, wherein the support bracket (20) includes a wire guard structure (22) for fixing a cable (72) of the phase shifter (70);

the wire protection structure (22) comprises a clamping cavity (221) used for accommodating the cable (72), and the clamping cavity (221) is provided with a notch (222) so that the cable (72) enters the clamping cavity (221) from the notch (222).

9. The phase shifter fixing device according to claim 1, wherein the fixing base (10) comprises two oppositely disposed base plates (11), two opposite sides of the base plates (11) are respectively provided with a hook (12) and a buckle (13) for fixing the phase shifter (70) on the base plates (11), and the hook (12) and the buckle (13) extend in the same direction away from the base plates (11);

the extending directions of the clamping hooks (12) and the clamping buckles (13) of the two substrates (11) are opposite.

10. The phase shifter fixing device according to claim 9, wherein a surface of the base plate (11) contacting the phase shifter (70) is provided with a limit pin (14), and the limit pin (14) is used for matching with a limit pin (14) hole formed on the surface of the phase shifter (70).

11. An antenna, comprising a reflector plate (80), a phase shifter (70) and a phase shifter fixing device according to any one of claims 1 to 10, the phase shifter (70) being mounted on the reflector plate (80) by the phase shifter fixing device.

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