Horn antenna fixing support

Abstract

The utility model discloses a fixing support of a horn antenna, and relates to the technical field of horn antennae, the horn antenna comprises a base, a transmitting part and a connecting flange, and the fixing support comprises a placing plate, a connecting plate, a fixing plate, a placing frame, a sealing strip and an abutting piece; the fixing plate is installed on the connecting plate, the connecting plate is installed on the placing plate, and the placing frame is of a semi-surrounding structure. The sealing strip is detachably mounted on the opening side of the placing frame; limiting pieces are arranged on the placing frame and the sealing strip; the placing frame and the abutting piece are installed on the fixing plate in a front-back distribution mode and can abut against the front side and the rear side of the connecting flange respectively. The cooperation of the placing frame and the sealing strip can preliminarily limit the rotation of the horn antenna, and the arrangement of the limiting piece can further limit the rotation of the horn antenna. The abutting piece and the placement frame are matched to limit movement of the horn antenna in the axial direction of the radiation part, so that the horn antenna is stably fixed to the required position, the overall structure is simple, connection stability is high, and operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of horn antennas, and in particular relates to a fixing bracket of the horn antenna. Background Art

[0002] PWS far-field testing is a type of smart terminal testing on the market. The PWS testing system includes a darkroom, in which an antenna probe is installed for detecting the device under test. The antenna probe is a horn antenna with an irregular shape, including a base, a transmitting part, and a connecting flange for connecting the transmitting part and the base. The connection stability of the horn antenna will directly affect the effect of the horn antenna in emitting microwaves, thereby affecting the accuracy of the PWS far-field test.

[0003] The traditional installation of the horn antenna is to pass a single bolt through the side wall of the horn antenna transmitting part and then fix it in the darkroom. Although this connection method is simple, as the usage time increases and the installation position of the horn antenna needs to be changed, the connection of the horn antenna in the darkroom becomes unstable. This problem needs to be solved urgently. Utility Model Content

[0004] The utility model aims to provide a fixing bracket for a horn antenna, which is easy to use and has high connection stability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fixing bracket of a horn antenna, the horn antenna comprising a base, a transmitting part and a connecting flange for connecting the transmitting part and the base, the fixing bracket comprising a placing plate, a connecting plate, a fixing plate, a placing frame, a sealing strip and a resisting member;

[0007] The fixing plate is mounted on the connecting plate, and the connecting plate is mounted on the placing plate;

[0008] The placement frame is a semi-enclosed structure with an opening facing upwards; the sealing strip is detachably mounted on the opening side of the placement frame to surround the connecting end of the launcher; both the placement frame and the sealing strip are provided with a limiting piece for limiting the connecting end of the launcher;

[0009] The placement frame and the abutment are installed on the fixing plate in a front-rear distribution. When the emitting part is limited in the placement frame, the abutment and the placement frame abut against the front and rear sides of the connecting flange respectively.

[0010] Optionally, the placement frame and the resistance member are both detachably connected to the fixed plate; two connecting flanges are arranged at the bottom of the placement frame, and waist-shaped holes extending along the width direction thereof are arranged on the connecting flanges, and at least two connecting bolts are connected in the waist-shaped holes.

[0011] Optionally, the placement frame includes vertical plates and a bottom plate; the two vertical plates are mounted on the bottom plate to form a "U"-shaped structure; the limiting member is mounted on the vertical plates; the connecting flange is integrally formed with the bottom plate.

[0012] Optionally, there are three limiting members, wherein two of the limiting members are mounted in the middle of their respective corresponding vertical plates, and the other limiting member is mounted in the middle of the sealing strip.

[0013] Optionally, the limiting member is a limiting bolt. When the limiting bolt is tightened in place, the screw rod of the limiting bolt abuts against the surface of the connection end of the transmitting part.

[0014] Optionally, the abutting member is an abutting bolt, and the fixing plate is provided with an abutting hole and a connecting hole; the connecting bolt is threadedly connected in the connecting hole and the waist-shaped hole, and the abutting bolt is threadedly connected in the abutting hole. When the abutting bolt is tightened in place, the nut end of the abutting bolt abuts against the surface of the connecting flange.

[0015] Optionally, there are two abutting members and connecting flanges, and they are respectively located on the left and right sides of the horn antenna;

[0016] The abutting holes on the same side of the horn antenna include two distributed front and back, and the connecting holes on the same side of the horn antenna include at least four distributed front and back.

[0017] Optionally, the cross-sectional area of the connecting plate is larger than the cross-sectional area of the fixing plate;

[0018] A plurality of groups of placement holes are provided along the length direction of the placement plate, and the connecting plate is mounted on the placement plate through any one group of the placement holes;

[0019] A plurality of weight-reducing holes are further provided on the placement plate.

[0020] The beneficial effects of the present utility model are as follows:

[0021] (1) The cooperation of the placement frame and the sealing strip can initially limit the rotation of the horn antenna, and the setting of the limiting member can further limit the rotational freedom of the horn antenna; the cooperation of the abutting member and the placement frame can limit the movement of the horn antenna in the axial direction of the radiating part, so as to realize the non-destructive and stable fixing of the horn antenna on the fixing plate, and then the horn antenna is fixed at the required position of the test system through the connecting plate and the placement plate. The overall structure is simple, easy to use and has high connection stability; when some components are worn due to long-term use or frequent disassembly and assembly, only local replacement is required, thereby reducing the maintenance cost.

[0022] (2) The placement plate is provided with a plurality of placement holes along its length direction. The connecting plate is installed on the placement plate through any group of placement holes. The operator can select the most suitable position to install the connecting plate and the fixing plate according to specific test requirements, thereby improving the connection flexibility of the horn antenna in the length direction of the placement plate.

[0023] (3) There are two abutments and two connecting flanges, and they are respectively located on the left and right sides of the horn antenna; the abutment holes located on the same side of the horn antenna include two distributed front and back, and the connecting holes located on the same side of the horn antenna include at least four distributed front and back; the abutment is threadedly connected to the fixing plate through one abutment hole, and two connecting bolts located in the same waist-shaped hole are threadedly connected to the fixing plate through two of the connecting holes. During use, the front and back distance between the abutment and the connecting flange can be adjusted to adapt to connecting flanges of different thicknesses. The position of the horn antenna relative to the fixing plate can also be adjusted in the width direction of the placement plate as needed, thereby further improving adaptability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the horn antenna;

[0025] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 3 yes Figure 2 A schematic diagram of the structure of the middle part A;

[0027] Figure 4 It is a schematic diagram of the overall structure of the utility model in another direction;

[0028] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure of part B in the middle.

[0029] Markings in the figure are: 1 is a horn antenna, 11 is a transmitting part, 12 is a base, 13 is a connecting flange, 2 is a placement plate, 21 is a placement hole, 22 is a weight reduction hole, 3 is a connecting plate, 4 is a fixing plate, 41 is a resistance hole, 42 is a connecting hole, 5 is a placement frame, 51 is a vertical plate, 52 is a bottom plate, 53 is a sealing strip, 54 is a connecting flange, 541 is a waist-shaped hole, 542 is a connecting bolt, 6 is a limiter, and 7 is a resistance member. DETAILED DESCRIPTION

[0030] The utility model is described in detail below with reference to the accompanying drawings.

[0031] It should be noted that the terms such as "upper", "lower", "left", "right", "front", "back", etc. used in the utility model are only for the convenience of description and are not used to limit the scope of implementation of the utility model. Changes or adjustments in their relative relationships should be regarded as the scope of implementation of the utility model without substantially changing the technical content.

[0032] like Figures 1 - 5 As shown, a fixing bracket of a horn antenna is provided, wherein the horn antenna 1 comprises a base 12, a transmitting part 11 and a connecting flange 13 for connecting the transmitting part 11 and the base 12, and the shape of the connecting flange 13 can be square or circular; the fixing bracket comprises a placing plate 2, a connecting plate 3, a fixing plate 4, a placing frame 5, a sealing strip 53 and a resisting member 7.

[0033] The placement frame 5 is a semi-enclosed structure with its opening facing upwards; the sealing strip 53 is detachably mounted on the opening side of the placement frame 5 to enclose the connecting end of the transmitting part 11 therein; when the placement frame 5 and the sealing strip 53 are enclosed together, a hoop is formed to enclose the connecting section of the transmitting part 11 therein; the placement frame 5 and the sealing strip 53 are both provided with a limiting member 6 for limiting the connecting end of the transmitting part 11; the cooperation between the placement frame 5 and the sealing strip 53 can preliminarily limit the rotation of the horn antenna 1, and the setting of the limiting member 6 can further limit the rotational freedom of the horn antenna 1.

[0034] The placement frame 5 and the resistance member 7 are installed on the fixing plate 4 in a front-to-rear distribution. The fixing plate 4 is used to support and install various components. The resistance member 7 is close to the base 12 of the horn antenna 1; when the emitting part 11 is limited in the placement frame 5, the resistance member 7 and the placement frame 5 respectively abut against the front and rear sides of the connecting flange 13; the resistance member 7 and the placement frame 5 can limit the freedom of movement of the horn antenna 1 in the axial direction of the radiating part 11, that is, the resistance member 7 and the placement frame 5 limit the horn antenna 1 along the width direction of the placement plate 2.

[0035] The fixing plate 4 is installed on the connecting plate 3, and the connecting plate 3 is installed on the placing plate 2. The fixing plate 4 fixes the horn antenna 1 in the darkroom of the PWS far-field test through the connecting plate 3 and the placing plate 2. The placing plate 2 can increase the contact area with the darkroom. The connecting plate 3 can increase the thickness of the placing plate 2 to a certain extent, thereby increasing the connection stability of the horn antenna 1 on the placing plate 2.

[0036] Through the combined action of the placement frame 5, the sealing strip 53, the limiting member 6, and the abutting member 7, the horn antenna 1 can be fixed on the fixing plate 4 without damage and stably. Then, through the connecting plate 3 and the placement plate 2, the horn antenna 1 is fixed at the required position. The overall structure is simple and the connection stability is high. When some components are worn due to long-term use or frequent disassembly and assembly, only local replacement is required, thus reducing the maintenance cost.

[0037] In a specific embodiment, the placement frame 5 and the abutting member 7 are both detachably connected to the fixing plate 4; a connecting flange 54 is provided at the bottom of the placement frame 5, and a waist-shaped hole 541 is provided on the connecting flange 54. At least two connecting bolts 542 are connected in the waist-shaped hole 541. When the connecting bolts 542 are in a tightened state, the connecting flange 54 and the connecting bolts 542 remain relatively stationary; the length extension direction of the waist-shaped hole 541 is the width direction of the connecting flange 54; the setting of the connecting flange 54 can increase the contact area between the placement frame 5 and the fixing plate 4, thereby improving the connection stability of the placement frame 5 on the fixing plate 4; the waist-shaped hole 541 can increase the fine-tuning space of the connecting bolts 542 in the waist-shaped hole 541, thereby improving the connection flexibility of the placement frame 5 on the fixing plate 4 and improving the limiting effect of the placement frame 5 and the abutting member 7 on the connecting flange 13; the setting of multiple connecting bolts 542 can increase the locking area between the waist-shaped hole 541 and the fixing plate 4, thereby improving the connection stability between the connecting flange 54 and the fixing plate 4, and further improving the connection stability between the placement frame 5 and the fixing plate 4.

[0038] In a specific embodiment, the placement frame 5 includes a vertical plate 51 and a bottom plate 52; the two vertical plates 51 are installed on the bottom plate 52 to form a "U" - shaped structure; the limiting member 6 is installed on the vertical plate 51; the connecting flange 54 is integrally formed with the bottom plate 52, and the widths of the bottom plate 52 and the connecting flange 54 are the same. There are three limiting members 6. Among them, two limiting members 6 are installed in the middle of their respective corresponding vertical plates 51, and the other limiting member 6 is installed in the middle of the sealing strip 53. That is, the three limiting members 6 limit the horn antenna 1 from three directions, so as to ensure the limiting effect on the rotational freedom of the horn antenna 1; of course, in some other embodiments, there may also be three groups of the limiting members 6, that is, there is a group of limiting members 6 corresponding to each of the two vertical plates 51 and the sealing strip 53, and each group of limiting members 6 usually has two limiting members 6.

[0039] In a specific embodiment, the limiting member 6 is a limiting bolt. When the limiting bolt is tightened in place, the screw rod of the limiting bolt abuts against the surface of the connection end of the transmitting portion 11; the limiting bolt is threadedly connected to the vertical plate 51 or the sealing strip 53.

[0040] In a specific embodiment, the abutting member 7 is an abutting bolt, and the fixing plate 4 is provided with an abutting hole 41 and a connecting hole 42; the connecting bolt 542 is threadedly connected in the connecting hole 42 and the waist-shaped hole 541, and the abutting bolt is threadedly connected in the abutting hole 41. When the abutting bolt is tightened in place, the nut end of the abutting bolt abuts against the surface of the connecting flange 13; the protruding height of the abutting bolt relative to the fixing plate 4 can be set and adjusted as needed. The abutting bolt, as the abutting member 7, has a simple structure and is convenient to use.

[0041] Furthermore, there are two abutting members 7 and two connecting flanges 54. The two abutting members 7 are respectively located on the left and right sides of the horn antenna 1; the two connecting flanges 54 are also located on the left and right sides of the horn antenna 1. That is, the two abutting members 7 are distributed along the length direction of the placing plate 2, and the two connecting flanges 54 are also distributed along the length direction of the placing plate 2. The abutting member 7 and the connecting flange 54 are respectively located at different positions in the width direction of the placing plate 2.

[0042] In some other embodiments, on the left or right side of the horn antenna 1, the abutting hole 41 includes two arranged front and back, and the connecting hole 42 includes at least four arranged front and back. The abutting member 7 is threadedly connected to the fixing plate 4 through one abutting hole 41, and the two connecting bolts 542 located in the same waist-shaped hole 541 are threadedly connected to the fixing plate 4 through two of the connecting holes 42. That is, during use, the front and back distances between the abutting member 7 and the connecting flange 54 can be adjusted to adapt to connecting flanges 13 of different thicknesses, and the position of the horn antenna 1 relative to the fixing plate 4 can also be adjusted in the front and back direction of the placing frame 5 as needed, so as to improve the adaptability and practicality.

[0043] In a specific embodiment, the cross-sectional area of the connecting plate 3 is larger than the cross-sectional area of the fixing plate 4; the placing plate 2 is provided with several groups of placing holes 21 along its length direction, and the connecting plate 3 is installed on the placing plate 2 through any one of the groups of placing holes 21. The operator can select the most suitable position to install the connecting plate 3 and the fixing plate 4 according to specific test requirements, so as to improve the connection flexibility of the horn antenna 1.

[0044] More specifically, the placing plate 2 is further provided with several weight-reducing holes 22, so as to reduce the weight of the overall structure.

[0045] In this specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other.

[0046] The above are only the preferred embodiments of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present utility model should be regarded as within the protection scope of the present utility model.

Claims

1. A fixing bracket for a horn antenna, the horn antenna comprising a base (12), a transmitting part (11) and a connecting flange (13) for connecting the transmitting part (11) and the base (12), characterized in that: The fixed bracket includes a placement plate (2), a connecting plate (3), a fixing plate (4), a placement frame (5), a sealing strip (53), and a抵触 member (7); The fixing plate (4) is installed on the connecting plate (3), and the connecting plate (3) is installed on the placement plate (2); The placement frame (5) is a semi-enclosed structure with an opening facing upward; the sealing strip (53) is detachably installed on the opening side of the placement frame (5) to surround the connection end of the transmitting part (11); both the placement frame (5) and the sealing strip (53) are provided with limiting members (6) for limiting the connection end of the transmitting part (11); The placement frame (5) and the抵触 member (7) are installed on the fixing plate (4) in a front-back distribution form; when the transmitting part (11) is limited within the placement frame (5), the抵触 member (7) and the placement frame (5) respectively abut against the front and back sides of the connection flange (13).

2. The fixing bracket of the horn antenna according to claim 1, characterized in that: The placement frame (5) and the抵触 member (7) are both detachably connected to the fixing plate (4); two connection flanges (54) are provided at the bottom of the placement frame (5), and waist-shaped holes (541) extending along the width direction thereof are provided on the connection flanges (54), and at least two connection bolts (542) are connected in the waist-shaped holes (541).

3. The fixing bracket of the horn antenna according to claim 2, characterized in that: The placement frame (5) includes vertical plates (51) and a bottom plate (52); the two vertical plates (51) are installed on the bottom plate (52) to form a "U"-shaped structure; the limiting member (6) is installed on the vertical plates (51); the connection flange (54) is integrally formed with the bottom plate (52).

4. The fixing bracket of the horn antenna according to claim 3, characterized in that: There are three limiting members (6), among which, two limiting members (6) are installed in the middle of their respective corresponding vertical plates (51), and the other limiting member (6) is installed in the middle of the sealing strip (53).

5. The fixing bracket of the horn antenna according to claim 1, characterized in that: The limiting member (6) is a limiting bolt. When the limiting bolt is tightened in place, the screw rod of the limiting bolt abuts against the surface of the connection end of the transmitting part (11).

6. The fixing bracket of the horn antenna according to claim 2, characterized in that: The抵触 member (7) is a抵触 bolt, and a抵触 hole (41) and a connection hole (42) are provided on the fixing plate (4); the connection bolt (542) is threadedly connected in the connection hole (42) and the waist-shaped hole (541), and the抵触 bolt is threadedly connected in the抵触 hole (41). When the抵触 bolt is tightened in place, the nut end of the抵触 bolt abuts against the surface of the connection flange (13).

7. The fixing bracket of the horn antenna according to claim 6, characterized in that: There are two抵触 members (7) and connection flanges (54), and they are respectively located on the left and right sides of the horn antenna (1); The抵触 holes (41) located on the same side of the horn antenna (1) include two distributed front and back, and the connection holes (42) located on the same side of the horn antenna (1) include at least four distributed front and back.

8. The fixing bracket of the horn antenna according to claim 1, characterized in that: The cross-sectional area of the connecting plate (3) is larger than the cross-sectional area of the fixing plate (4); A plurality of groups of placement holes (21) are provided on the placement plate (2) along its length direction, and the connecting plate (3) is installed on the placement plate (2) through any one group of the placement holes (21); The placement plate (2) is also provided with a plurality of weight-reducing holes (22).

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