CN210926274U - Antenna, supporting structure and supporting piece - Google Patents

Abstract

The utility model discloses an antenna, bearing structure and support piece, support piece are including supporting the body, the one end of supporting the body is equipped with and is used for connecing first joint portion of complex with the reflection board, the other end of supporting the body be equipped with be used for with another support the other end joint complex second joint portion of body. The supporting piece can be simply and quickly installed on the reflecting plate, and the installation efficiency is high; therefore, the supporting structure adopting the supporting piece can be simply and quickly arranged on the reflecting plate, and the installation efficiency is high; therefore, the antenna adopting the support structure has high assembly efficiency.

Description

Antenna, supporting structure and supporting piece

Technical Field

The utility model relates to an antenna technology field, concretely relates to antenna, bearing structure and support piece.

Background

The antenna mainly comprises an outer cover, a reflecting plate arranged in the outer cover and a radiating unit arranged on the reflecting plate. Because the distance between the radiation unit and the outer cover is usually close, the radiation unit is easy to extrude with the outer cover to cause the deformation of the radiation unit under the action of severe wind power in the transportation or outdoors, thereby influencing the radiation performance of the radiation unit and even causing the failure problem. In order to avoid the radiation unit from being squeezed against the housing, a support device is usually added between the reflection plate and the housing. Traditional strutting arrangement adopts the support bridge of large-span to support the dustcoat, and the mounting means of supporting the bridge is comparatively loaded down with trivial details, and the installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

Based on this, an antenna, a supporting structure and a supporting piece are provided. The supporting piece can be simply and quickly installed on the reflecting plate, and the installation efficiency is high; therefore, the supporting structure adopting the supporting piece can be simply and quickly arranged on the reflecting plate, and the installation efficiency is high; therefore, the antenna adopting the support structure has high assembly efficiency.

The technical scheme is as follows:

on the one hand, provide a support piece, including supporting the body, the one end of supporting the body is equipped with and is used for connecing complex first joint portion with the reflection board, the other end of supporting the body be equipped with be used for with another support the other end joint complex second joint portion of body.

Above-mentioned support piece, during the use, with the cooperation of the second joint portion of the other end of a support piece's the support body and the second joint portion joint of the other end of another support piece's the support body to form the bearing structure that supports the dustcoat of antenna that can the large-span. Utilize the joint cooperation of the fifth joint portion on first joint portion and the reflecting plate to simple, quick set firmly on the reflecting plate with bearing structure is stable, the installation effectiveness is high. Utilize bearing structure can make and can keep suitable distance between dustcoat and the radiating element, also can not cause the harm to the radiating element under the effect of external force, guarantee the radiation performance of radiating element. Meanwhile, a supporting structure can be formed by clamping and matching two identical supporting pieces, production can be carried out by adopting a mode of one die and two cavities, and the die stripping stability and the die opening quality are greatly improved; compared with the traditional support bridge form with large span, the size of the mold is small, the mold is suitable for mass production, and the production cost is low. And, compare the traditional form that adopts fastener installation such as screw, the installation effectiveness is high, also can not cause the influence to the electrical property of antenna.

The technical solution is further explained below:

in one embodiment, one end of the supporting body is provided with a first positioning part for positioning and matching with the reflecting plate.

In one embodiment, the first positioning portion is provided as a positioning column for positioning and matching with the positioning groove on the reflection plate.

In one embodiment, the first clamping portion includes a connecting member, a first elastic member disposed on one side of the connecting member, and a second elastic member disposed on the other side of the connecting member, and the first elastic member and the second elastic member are both disposed obliquely toward the outer side of the connecting member.

In one embodiment, the other end of the support body is provided with a first matching surface and a second matching surface which are arranged at intervals, the second clamping portion comprises a protrusion arranged on the first matching surface and a clamping groove arranged on the second matching surface, and the protrusion can be clamped and matched with the clamping groove.

In one embodiment, a third mating surface is further disposed at the other end of the support body, the third mating surface is disposed between the first mating surface and the second mating surface, a third clamping portion and a fourth clamping portion for clamping and matching with the third clamping portion are disposed on the third mating surface, and the third clamping portion and the fourth clamping portion are disposed at an interval.

On the other hand, provide a bearing structure, including two support piece, one the second joint portion and another of the other end of support piece's the support body the second joint portion joint cooperation of the other end of support piece's the support body.

Above-mentioned bearing structure, with the cooperation of the second joint portion of the other end of a support piece's the support body and the second joint portion joint of the other end of another support piece's the support body to form the bearing structure that supports the dustcoat of antenna that can the large-span. Utilize the joint cooperation of the fifth joint portion on first joint portion and the reflecting plate to simple, quick set firmly on the reflecting plate with bearing structure is stable, the installation effectiveness is high. Utilize bearing structure can make and can keep suitable distance between dustcoat and the radiating element, also can not cause the harm to the radiating element under the effect of external force, guarantee the radiation performance of radiating element. And, compare the traditional form that adopts fastener installation such as screw, the installation effectiveness is high, also can not cause the influence to the electrical property of antenna.

In another aspect, an antenna is provided, which includes an outer cover, a reflective plate disposed in the outer cover, and at least two of the supporting members or at least one of the supporting structures, wherein the reflective plate is provided with a fifth clamping portion for clamping and connecting with the first clamping portion.

Above-mentioned antenna, with the cooperation of the second joint portion of the other end of a support piece's the support body and the second joint portion joint of the other end of another support piece's the support body to form the bearing structure that supports the dustcoat of antenna that can the large-span. Utilize the joint cooperation of the fifth joint portion on first joint portion and the reflecting plate to simple, quick set firmly on the reflecting plate with bearing structure is stable, the installation effectiveness is high. Utilize bearing structure can make and can keep suitable distance between dustcoat and the radiating element, also can not cause the harm to the radiating element under the effect of external force, guarantee the radiation performance of radiating element. And, compare the traditional form that adopts fastener installation such as screw, the installation effectiveness is high, also can not cause the influence to the electrical property of antenna.

In one embodiment, a first abutting portion for abutting and matching with the reflection plate is arranged at one end of the support body, and the abutting position of the first abutting portion and the reflection plate is adjustable.

In one embodiment, the first abutting portion is provided as an abutting protrusion, and the abutting protrusion is in abutting engagement with a surface of the reflection plate or the abutting protrusion is in abutting engagement with a bottom wall of the adjustment groove provided in the reflection plate.

In one embodiment, the reflection plate is provided with a second abutting portion for abutting engagement with one end of the support body.

In one embodiment, the second abutment is provided as an abutment boss.

Drawings

Fig. 1 is a schematic structural diagram of an antenna according to an embodiment;

fig. 2 is a partial enlarged view of a portion of the antenna a of fig. 1;

fig. 3 is a partial enlarged view of a portion B of the antenna of fig. 1;

fig. 4 is a partial enlarged view of a portion of the antenna C of fig. 1;

fig. 5 is a schematic structural diagram of an antenna of another embodiment;

fig. 6 is a partially enlarged view of a portion of the antenna D of fig. 5.

Description of reference numerals:

10. support piece, 100, support body, 110, first joint portion, 111, connecting piece, 112, first elastic component, 113, second elastic component, 120, second joint portion, 121, protruding, 122, draw-in groove, 123, third joint portion, 124, fourth joint portion, 130, reference column, 140, second fitting surface, 150, first fitting surface, 160, third fitting surface, 170, butt arch, 20, reflecting plate, 21, joint groove, 22, constant head tank, 23, adjustment tank, 24, butt convex closure, 1000, bearing structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first", "second", "third", and the like do not denote any particular quantity or order, but rather are used to distinguish one name from another.

It will also be understood that when interpreting elements, although not explicitly described, the elements are to be interpreted as including a range of errors which are within the acceptable range of deviation of the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, without limitation.

As shown in fig. 1 to 4, in one embodiment, a support member 10 is provided, which includes a support body 100, one end of the support body 100 is provided with a first clamping portion 110 for clamping and matching with a reflection plate 20, and the other end of the support body 100 is provided with a second clamping portion 120 for clamping and matching with the other end of another support body 100.

In the support 10 of the above embodiment, when in use, the second engaging portion 120 of the other end of the support body 100 of one support 10 is engaged with the second engaging portion 120 of the other end of the support body 100 of the other support 10, so as to form the support structure 1000 capable of supporting the antenna housing (not shown) in a large span. Utilize the joint cooperation of the fifth joint portion on first joint portion 110 and the reflecting plate 20 to simple, quick set firmly bearing structure 1000 on reflecting plate 20 steadily, the installation effectiveness is high. Utilize bearing structure 1000 can make and can keep suitable distance between dustcoat and the radiation unit, also can not cause the harm to the radiation unit under the effect of external force, guarantee the radiation performance of radiation unit. Meanwhile, the supporting structure 1000 can be formed by clamping and matching two identical supporting pieces 10, production can be carried out by adopting a mode of one die and two cavities, and the die stripping stability and the die opening quality are greatly improved; compared with the traditional support bridge form with large span, the size of the mold is small, the mold is suitable for mass production, and the production cost is low. And, compare the traditional form that adopts fastener installation such as screw, the installation effectiveness is high, also can not cause the influence to the electrical property of antenna.

It should be emphasized that, the two supporting members 10 may be connected to form the supporting structure 1000 first, and then the supporting structure 1000 is fixed on the reflection plate 20, or one supporting member 10 may be fixed on the reflection plate 20 first, and then the other supporting member 10 is fixed on the reflection plate 20, and then the two supporting members 10 are connected to form the supporting structure 1000, only the requirement that the supporting structure 1000 can be formed and the supporting structure 1000 is stably fixed on the reflection plate 20 is satisfied.

In one embodiment, one end of the support body 100 is provided with a first positioning portion for positioning engagement with the reflection plate 20. Thus, the positioning fit between the first positioning portion and the reflective plate 20 is utilized, and the first clamping portion 110 and the fifth clamping portion are clamped together, so that the support body 100 can be accurately and reliably fixed on the preset position of the reflective plate 20, and the support body 100 cannot shake or shift relative to the reflective plate 20.

The location cooperation of first location portion and reflecting plate 20 can be realized through the mode of pegging graft, also can realize through the mode of butt, only need guarantee that support body 100 can be accurate, reliable set firmly on reflecting plate 20 can.

As shown in fig. 1 and 2, in one embodiment, the first positioning portion is a positioning column 130 configured to be positioned and matched with the positioning groove 22 on the reflection plate 20. Thus, the positioning column 130 is inserted into the positioning groove 22 of the reflection plate 20, and the supporting body 100 can be accurately fixed on the reflection plate 20 by the positioning cooperation between the positioning column 130 and the positioning groove 22. Meanwhile, the side wall of the positioning groove 22 can also limit the positioning column 130, so that the supporting body 100 is prevented from acting in the horizontal direction, and the supporting body 100 is prevented from shaking.

In order to ensure that the support body 100 and the reflection plate 20 are stably and reliably mounted and fixed, at least two first clamping portions 110 are arranged, and a positioning column 130 can be arranged between every two adjacent first clamping portions 110; a fifth clamping portion and a positioning groove 22 are provided at corresponding positions of the reflection plate 20.

The first clamping portion 110 is matched with the fifth clamping portion in a clamping manner, and can be realized in a clamping hook and buckle matching manner or in a clamping clip and clamping groove matching manner.

As shown in fig. 1 and 6, in one embodiment, a fifth catching portion is provided as a catching groove 21. As shown in fig. 2, the first clamping portion 110 includes a connecting member 111, a first elastic member 112 disposed on one side of the connecting member 111, and a second elastic member 113 disposed on the other side of the connecting member 111. The first elastic member 112 and the second elastic member 113 are each disposed obliquely toward the outside of the connection member 111. So, insert the in-process in joint groove 21 with connecting piece 111, the lateral wall of joint groove 21 extrudes first elastic component 112 and second elastic component 113, thereby make first elastic component 112 and second elastic component 113 all warp towards being close to connecting piece 111 direction, when connecting piece 111 inserts suitable degree of depth in joint groove 21 and makes first elastic component 112 and second elastic component 113 all insert in joint groove 21, under the effect of elasticity restoring force, make the lateral wall of the equal tight interlock joint groove 21 of first elastic component 112 and second elastic component 113, thereby make support body 100 and reflecting plate 20 realize reliably, stable being connected, can not loosen and take off. The connecting member 111 may be provided as a connecting column or a connecting plate. One end of the connecting member 111 is fixedly disposed at one end of the supporting body 100, and a first elastic member 112 and a second elastic member 113 are disposed at two sides of the other end of the connecting member 111. The first elastic member 112 and the second elastic member 113 may be made of hard plastic, and may be configured in a block shape or a plate shape, which not only has sufficient connection strength and hardness, but also can be deformed and generate a restoring force under the action of a pressing force.

The clamping cooperation between the two second clamping portions 120 can be realized in the form of the matching of the clamping hook and the clamping buckle, and also can be realized in the form of the matching of the clamping clip and the clamping groove.

As shown in fig. 3, in one embodiment, the other end of the support body 100 is provided with a first mating surface 150 and a second mating surface 140 which are spaced apart. Thus, when the other ends of the two supporting bodies 100 are engaged with each other, the first engaging surface 150 of one supporting body 100 is engaged with the second engaging surface 140 of the other supporting body 100, so as to increase the engaging area between the two supporting bodies 100, and thus the two supporting bodies 100 can be connected more stably. The second clamping portion 120 includes a protrusion 121 disposed on the first mating surface 150 and a clamping groove 122 disposed on the second mating surface 140, and the protrusion 121 can be clamped and matched with the clamping groove 122. Thus, the protrusion 121 and the slot 122 are engaged with each other, so that the two support bodies 100 can be stably and reliably connected to each other, and the support structure 1000 has sufficient and reliable support strength. The protrusion 121 and the slot 122 can be in a dovetail groove form, so that the connection is more reliable, and the two support bodies 100 can be conveniently buckled in a sliding manner from the side.

As shown in fig. 3, a third mating surface 160 is further disposed at the other end of the support body 100, and the third mating surface 160 is disposed between the first mating surface 150 and the second mating surface 140. When the other ends of the two supporting bodies 100 are engaged with each other, the third engaging surface 160 of one supporting body 100 is engaged with the third engaging surface 160 of the other supporting body 100, so as to further increase the engaging area between the two supporting bodies 100, and thus the two supporting bodies 100 can be connected more stably. The third mating surface 160 is provided with a third clamping portion 123 and a fourth clamping portion 124 for clamping and mating with the third clamping portion 123, and the third clamping portion 123 and the fourth clamping portion 124 are disposed at an interval. So, utilize the joint cooperation between two second joint portions 120, combine the joint cooperation between third joint portion 123 and the fourth joint portion 124 to make between first fitting surface 150 and the second fitting surface 140 and two between the third fitting surface 160 laminating inseparabler, make to realize more stable, reliable connection between the support body 100, the impact force that comes from the dustcoat of bearing that can be better.

The clamping fit between the third clamping portion 123 and the fourth clamping portion 124 can be realized in the form of a clamping hook and a clamping buckle, and can also be realized in the form of a clamping clip and a clamping groove 122. For example, the third clamping portion 123 and the fourth clamping portion 124 may adopt the same clamping structure as the first clamping portion 110 and the fifth clamping portion, and are not described herein again.

As shown in fig. 1 and 5, in one embodiment, a supporting structure 1000 is provided, which includes two supporting members 10 of any of the above embodiments, and the second clamping portion 120 of the other end of the supporting body 100 of one supporting member 10 is clamped and matched with the second clamping portion 120 of the other end of the supporting body 100 of the other supporting member 10.

The supporting structure 1000 of the above embodiment is configured to engage the second engaging portion 120 at the other end of the supporting body 100 of one supporting member 10 with the second engaging portion 120 at the other end of the supporting body 100 of another supporting member 10, so as to form the supporting structure 1000 that can support the outer cover of the antenna in a large span. Utilize the joint cooperation of the fifth joint portion on first joint portion 110 and the reflecting plate 20 to simple, quick set firmly bearing structure 1000 on reflecting plate 20 steadily, the installation effectiveness is high. Utilize bearing structure 1000 can make and can keep suitable distance between dustcoat and the radiation unit, also can not cause the harm to the radiation unit under the effect of external force, guarantee the radiation performance of radiation unit. And, compare the traditional form that adopts fastener installation such as screw, the installation effectiveness is high, also can not cause the influence to the electrical property of antenna.

As shown in fig. 1 and fig. 5, in an embodiment, there is further provided an antenna, which includes a housing (not shown), a reflection plate 20 disposed in the housing, and at least two of the support members 10 of any of the above embodiments or the support structure 1000 of at least one of the above embodiments, where the reflection plate 20 is provided with a fifth clamping portion for clamping and matching with the first clamping portion 110.

In the antenna of the above embodiment, the second clamping portion 120 at the other end of the supporting body 100 of one supporting member 10 is clamped and matched with the second clamping portion 120 at the other end of the supporting body 100 of another supporting member 10, so as to form the supporting structure 1000 capable of supporting the outer cover of the antenna in a large span. Utilize the joint cooperation of the fifth joint portion on first joint portion 110 and the reflecting plate 20 to simple, quick set firmly bearing structure 1000 on reflecting plate 20 steadily, the installation effectiveness is high. Utilize bearing structure 1000 can make and can keep suitable distance between dustcoat and the radiation unit, also can not cause the harm to the radiation unit under the effect of external force, guarantee the radiation performance of radiation unit. And, compare the traditional form that adopts fastener installation such as screw, the installation effectiveness is high, also can not cause the influence to the electrical property of antenna.

It should be noted that, one supporting structure 1000 may be correspondingly disposed on both sides of the reflection plate 20, so that the housing can be supported from multiple angles and sides, and the supporting effect is good.

In one embodiment, one end of the supporting body 100 is provided with a first abutting portion for abutting engagement with the reflection plate 20, and the abutting position of the first abutting portion and the reflection plate 20 is adjustable. So, can be according to the first butt portion of nimble adjustment of in-service use needs and the butt position of reflecting plate 20 to make support body 100 can carry out the assembly connection with the reflecting plate 20 of different thickness, the commonality is strong, has reduced the die sinking cost, and low in production cost. The first abutment may be provided as an abutment block, an abutment bar or an abutment post.

As shown in fig. 2, in one embodiment, the first abutting portion is provided as an abutting projection 170, and the abutting projection 170 is in abutting engagement with the surface of the reflection plate 20. Like this, when the thickness of reflecting plate 20 is thin (for example, when the thickness of reflecting plate 20 is 2 mm), first joint portion 110 cooperates with the joint of fifth joint portion the back, and the terminal surface of butt arch 170 is laminated and the butt with the surface of reflecting plate 20 mutually for support body 100 can be stable set firmly on reflecting plate 20. As shown in fig. 1, the abutment projection 170 is in abutment engagement with the bottom wall of the adjustment groove 23 provided in the reflection plate 20. So, when the thickness of reflecting plate 20 thickens (for example, the thickness of reflecting plate 20 becomes when 2.5mm by 2 mm), when first joint portion 110 cooperates with the fifth joint portion joint on the thicker reflecting plate 20, in order to avoid the protruding 170 of butt to cause the interference to the joint cooperation of first joint portion 110 with fifth joint portion, make protruding 170 of butt stretch into the adjustment tank 23 in, make the terminal surface of the protruding 170 of butt laminate mutually and the butt with the diapire of adjustment tank 23, and then make first joint portion 110 can be smooth and easy realize stable joint cooperation with fifth joint portion, and then make support body 100 can satisfy the installation demand of the reflecting plate 20 of different thickness.

In one embodiment, the reflection plate 20 is provided with a second abutting portion for abutting-fitting with one end of the support body 100. Thus, when the supporting member 10 is produced in an opened mold and needs to adapt to the installation requirement of the thin reflection plate 20, the supporting member 10 can be abutted and matched with the reflection plate 20 by the second abutting portion, so that the produced supporting member 10 can adapt to the installation requirement of the thin reflection plate 20. The second abutment may be provided as an abutment post, abutment table or abutment seat.

As shown in fig. 6, in one embodiment, the second abutment is provided as an abutment boss (not shown). So, support piece 10 has already the die sinking production and has accomplished, for example, the support piece 10 of production completion can adapt to the installation needs of 2.5mm thick reflecting plate 20, when the thickness of the reflecting plate 20 that needs the installation becomes thin (for example, the thickness of reflecting plate 20 becomes when 2mm by 2.5 mm), set up the butt boss on reflecting plate 20 for the butt boss can with the terminal surface laminating and the butt of the one end of supporting body 100, thereby make first joint portion 110 can be accurate carry out the joint cooperation with fifth joint portion, realize supporting body 100 and fix the installation on reflecting plate 20.

Further, when the fifth clamping portion is arranged to be the clamping groove 21, the second abutting portion can be arranged to be the abutting convex hull 24 surrounding the clamping groove 21, layout is convenient, and layout space is saved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples represent only a few embodiments of the present invention, which are described in detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a support piece, its characterized in that, is including supporting the body, the one end of supporting the body is equipped with and is used for connecing complex first joint portion with the reflection board, the other end of supporting the body be equipped with be used for with another support the other end joint complex second joint portion of body.

2. The support member according to claim 1, wherein one end of the support body is provided with a first positioning portion for positioning engagement with the reflection plate.

3. The support of claim 2, wherein the first positioning portion is configured as a positioning post for positioning engagement with a positioning slot on the reflector plate.

4. The supporting member according to claim 1, wherein the first engaging portion comprises a connecting member, a first elastic member disposed on one side of the connecting member, and a second elastic member disposed on the other side of the connecting member, and the first elastic member and the second elastic member are both disposed obliquely toward the outer side of the connecting member.

5. The support piece according to any one of claims 1 to 4, wherein the other end of the support body is provided with a first mating surface and a second mating surface which are arranged at intervals, the second clamping portion comprises a protrusion arranged on the first mating surface and a clamping groove arranged on the second mating surface, and the protrusion can be clamped and matched with the clamping groove.

6. The support piece according to claim 5, wherein a third fitting surface is further provided at the other end of the support body, the third fitting surface is provided between the first fitting surface and the second fitting surface, a third clamping portion and a fourth clamping portion for clamping and matching with the third clamping portion are provided on the third fitting surface, and the third clamping portion and the fourth clamping portion are provided at intervals.

7. A support structure, comprising two support members as claimed in any one of claims 1 to 6, wherein the second clamping portion at the other end of the support body of one support member is in clamping fit with the second clamping portion at the other end of the support body of the other support member.

8. An antenna, characterized in that, including dustcoat, set up the reflecting plate in the dustcoat, and at least two support piece or at least one bearing structure of claim 7 as any one of claims 1 to 6, the reflecting plate is equipped with and is used for with the fifth joint portion of first joint portion joint cooperation.

9. The antenna according to claim 8, wherein a first abutting portion for abutting engagement with the reflection plate is provided at one end of the support body, and an abutting position of the first abutting portion and the reflection plate is adjustable.

10. The antenna according to claim 9, wherein the first abutting portion is provided as an abutting projection which is in abutting engagement with a surface of the reflection plate or with a bottom wall of an adjustment groove provided in the reflection plate.

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