Antenna grounding device

Abstract

The utility model relates to the technical field of antenna grounding devices, in particular to an antenna grounding device which comprises a U-shaped supporting piece, welding pins, elastic pieces, contact protrusions, a supporting plate and bolts, the two welding pins are fixedly connected to the U-shaped supporting piece, two square grooves are formed in the U-shaped supporting piece, the two elastic pieces are fixedly connected to the U-shaped supporting piece, and the contact protrusions are arranged on the two square grooves. The elastic piece is fixedly connected with a contact protrusion, two guide grooves are formed in the U-shaped supporting piece, two bolts are rotationally arranged on the U-shaped supporting piece, supporting plates are arranged on the bolts in a threaded mode, and the supporting plates slide in the adjacent guide grooves. By rotating two bolts, the bolts drive a supporting plate to slide in a guide groove, when the supporting plate and an elastic piece make contact with a U-shaped supporting piece on the same horizontal line, stress points are increased, buffering and limiting can be conducted when the elastic piece is stressed and deformed, and therefore the effect of preventing the elastic piece from losing elasticity due to excessive extrusion is achieved; and stable signal receiving of the antenna is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to antenna grounding device technical field especially relates to a kind of antenna grounding device. BACKGROUND

[0002] Antenna grounding device is the equipment or assembly set for connecting antenna system safely to ground (earth), and its main purpose is to ensure the normal operation of antenna system, protect equipment from electrical damage and ensure the safety of personnel.

[0003] The patent with authorized announcement number CN208284634U discloses an antenna grounding device and a mobile terminal. It includes a first grounding piece and a second grounding piece. The first grounding piece includes a first connecting part fixed on a circuit board and a first grounding spring fixedly connected with the first connecting part. The second grounding piece includes a second connecting part fixed on the circuit board and a second grounding spring fixedly connected with the second connecting part. The first connecting part and the second connecting part are connected. When using the patent, the second grounding spring and the first grounding spring are in contact with the grounding plane to guide the current to flow to the ground. However, the above-mentioned existing patent has no buffer component under the second grounding spring and the first grounding spring. When subjected to a large extrusion force, the second grounding spring and the first grounding spring are easily broken or lose the deformation ability, affecting the signal reception of the equipment and the stability of the equipment.

[0004] Therefore, it is necessary to provide an antenna grounding device with a spring breakage prevention function. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned shortcomings of the existing patent, such as the lack of a buffer component under the second grounding spring and the first grounding spring, which easily leads to the breakage or loss of deformation ability of the second grounding spring and the first grounding spring when subjected to a large extrusion force, affecting the signal reception of the equipment and the stability of the equipment, the utility model provides an antenna grounding device with a spring breakage prevention function.

[0006] Compared with the prior art, the utility model has the following technical effects: an antenna grounding device includes a U-shaped support piece, a welding pin, an elastic sheet and a contact protrusion. Two welding pins are fixedly connected to the U-shaped support piece. Two square slots are opened in the U-shaped support piece. Two elastic sheets are fixedly connected to the U-shaped support piece. A contact protrusion is fixedly connected to the elastic sheet. It also includes a support plate and a bolt. Two guide slots are opened in the U-shaped support piece. Two bolts are rotatably arranged on the U-shaped support piece. A support plate is threadedly arranged on the bolt. The support plate slides in the adjacent guide slot.

[0007] Furthermore, it is particularly preferred that the mounting seat, rivet and bidirectional screw rod are further included, the two mounting seats are threadedly arranged on the bidirectional screw rod, the bidirectional screw rod is located in the U-shaped supporting sheet, the mounting seat is in contact with the U-shaped supporting sheet, the four rivets are clamped on the mounting seat, and the rivets are clamped into the U-shaped supporting sheet.

[0008] Furthermore, it is particularly preferred that the mounting seat, rivet and bidirectional screw rod are further included, the two mounting seats are threadedly arranged on the bidirectional screw rod, the bidirectional screw rod is located in the U-shaped supporting sheet, the mounting seat is in contact with the U-shaped supporting sheet, the four rivets are clamped on the mounting seat, and the rivets are clamped into the U-shaped supporting sheet.

[0009] Furthermore, it is particularly preferred that the mounting seat, rivet and bidirectional screw rod are further included, the two mounting seats are threadedly arranged on the bidirectional screw rod, the bidirectional screw rod is located in the U-shaped supporting sheet, the mounting seat is in contact with the U-shaped supporting sheet, the four rivets are clamped on the mounting seat, and the rivets are clamped into the U-shaped supporting sheet.

[0010] Furthermore, it is particularly preferred that the mounting seat, rivet and bidirectional screw rod are further included, the two mounting seats are threadedly arranged on the bidirectional screw rod, the bidirectional screw rod is located in the U-shaped supporting sheet, the mounting seat is in contact with the U-shaped supporting sheet, the four rivets are clamped on the mounting seat, and the rivets are clamped into the U-shaped supporting sheet.

[0011] Furthermore, it is particularly preferred that the mounting seat, rivet and bidirectional screw rod are further included, the two mounting seats are threadedly arranged on the bidirectional screw rod, the bidirectional screw rod is located in the U-shaped supporting sheet, the mounting seat is in contact with the U-shaped supporting sheet, the four rivets are clamped on the mounting seat, and the rivets are clamped into the U-shaped supporting sheet.

[0012] Compared with the prior art, the utility model has the advantages of the following: 1, by rotating two bolts, make bolt drive support plate in guide groove sliding, support plate and elastic sheet with same horizontal line with U-shaped supporting sheet contact, by this increase stress point, and can be in elastic sheet stress deformation when buffering and limiting, thereby reached the effect that prevents elastic sheet extrusion transition leads to loss of elasticity, guarantee the signal receiving stability of antenna.

[0013] 2, by constantly moving bidirectional screw rod, make mounting seat on bidirectional screw rod move outward, by this prop open U-shaped supporting sheet, thereby strengthen the support and deformation resistance of U-shaped supporting sheet. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional sectional structure schematic diagram of U-shaped supporting sheet, elastic sheet and mounting seat of the utility model.

[0016] Figure 3 It is the three-dimensional sectional structure schematic diagram of U-shaped supporting sheet, mounting seat and rivet of the utility model.

[0017] Figure 4 It is the three-dimensional sectional structure schematic diagram of mounting seat, bidirectional screw rod and anti-skid sleeve of the utility model.

[0018] Among them, the above drawing includes the following sign: 1, U-shaped supporting sheet, 2, welding pin, 3, square groove, 4, elastic sheet, 5, contact protrusion, 6, guide groove, 7, support plate, 8, bolt, 9, mounting seat, 10, rivet, 11, bidirectional screw rod, 12, anti-skid sleeve, 13, reinforcing rib. DETAILED DESCRIPTION

[0019] Although the present utility model can be described in relation to a particular application or industry, those skilled in the art will recognize a broader applicability of the present utility model. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, and the like are used to describe the drawings and are not intended to limit the scope of the present utility model as defined by the appended claims. Any numerical designations such as: first or second are merely illustrative and are not intended to limit the scope of the present utility model in any way.

[0020] Embodiment 1: An antenna grounding device, referring to Figures 1-3 As shown, it comprises a U-shaped support sheet 1, a soldering pin 2, an elastic sheet 4 and a contact protrusion 5, the U-shaped support sheet 1 is fixedly connected with the soldering pin 2 at the bottom and symmetrically on the left and right, the U-shaped support sheet 1 is provided with a square groove 3 symmetrically at the top and on the front and back, the U-shaped support sheet 1 is provided with the elastic sheet 4 symmetrically at the top and on the front and back through welding, the elastic sheet 4 is located in the adjacent square groove 3, the elastic sheet 4 is fixedly connected with the contact protrusion 5 at the top, the contact protrusion 5 concentrates the applied pressure to ensure effective electrical connection, and it further comprises a support plate 7 and a bolt 8, the U-shaped support sheet 1 is provided with two guide grooves 6 at the top, the guide grooves 6 are located outside the square grooves 3, the U-shaped support sheet 1 is rotatably provided with two bolts 8 at the inner top, and the support plate 7 is threadedly arranged on the bolt 8 and slides in the adjacent guide groove 6.

[0021] Referring to Figure 3 As shown, it further comprises a reinforcing rib 13, five reinforcing ribs 13 are arranged on the left and right sides of the upper part of the U-shaped support sheet 1 through welding, and the reinforcing ribs 13 are located at the circular arc angle of the U-shaped support sheet 1, forming a stable structure, so as to enhance the anti-deformation of the U-shaped support sheet 1.

[0022] Referring to Figure 1 and Figure 2 As shown, the two support plates 7 are diagonally arranged on the U-shaped support sheet 1, and the two support plates 7 are respectively located at the upper left corner and the lower right corner of the top of the U-shaped support sheet 1, so that the two support plates 7 evenly distribute the applied force and avoid excessive extrusion of the elastic sheet 4 to lose elasticity.

[0023] Referring to Figures 1-3 As shown, the soldering pin 2 is provided with a chamfer on both sides, so as to facilitate the insertion of the soldering pin 2 into the PCB mainboard for welding.

[0024] When the grounding device needs to be installed on the corresponding PCB mainboard, the welding pin 2 is clamped into the PCB mainboard, so that the grounding device is fixed on the PCB mainboard, after the installation is completed, the contact protrusion 5 on the elastic sheet 4 is in contact with the grounding plane, ensuring that the current can effectively flow to the grounding plane, and by rotating the two bolts 8, the bolt 8 drives the supporting plate 7 to slide in the guide groove 6, the supporting plate 7 and the elastic sheet 4 are in contact with the same horizontal line and the U-shaped supporting sheet 1, so as to increase the stress point, and can buffer and limit when the elastic sheet 4 is deformed, thereby achieving the effect of preventing the elastic sheet 4 from being extruded too much to lose elasticity, ensuring the stability of the signal reception of the antenna, and the reinforcing rib 13 enhances the anti-deformation of the U-shaped supporting sheet 1.

[0025] Example 2: on the basis of example 1, referring to Figures 2-4 As shown, it also includes a mounting seat 9, a rivet 10 and a bidirectional screw rod 11, the bidirectional screw rod 11 is located in the U-shaped supporting sheet 1, the left and right ends of the bidirectional screw rod 11 are threadedly provided with mounting seats 9, the mounting seat 9 is in contact with the U-shaped supporting sheet 1, and the mounting seat 9 is symmetrically clamped with a rivet 10 in front and back, and the rivet 10 is clamped into the U-shaped supporting sheet 1.

[0026] Referring to Figures 2-4 As shown, it also includes an anti-skid sleeve 12, the anti-skid sleeve 12 is sleeved on the middle part of the bidirectional screw rod 11, a plurality of anti-skid grooves are formed on the anti-skid sleeve 12, and the anti-skid sleeve 12 is slightly deformed when pressure is applied, and is in full contact with the hand, thereby providing additional friction, improving the friction and safety during holding.

[0027] When the supporting plate 7 is adjusted, the mounting seat 9 on the bidirectional screw rod 11 is moved outward by continuously pushing the bidirectional screw rod 11, so as to expand the U-shaped supporting sheet 1, thereby enhancing the support and anti-deformation of the U-shaped supporting sheet 1, the anti-skid sleeve 12 increases the friction between the hands of the worker and the bidirectional screw rod 11, facilitating the worker to better push the bidirectional screw rod 11, and when the U-shaped supporting sheet 1 is expanded to a suitable state, the bidirectional screw rod 11 is stopped.

[0028] The above examples are provided for those skilled in the art to realize or use the utility model, those skilled in the art can make various modifications or changes to the above examples without departing from the utility model idea of the utility model, therefore, the protection scope of the utility model is not limited by the above examples, but should be the maximum scope meeting the innovative features mentioned in the claims.

Claims

1. An antenna grounding device, comprising a U-shaped support plate (1), welding pins (2), elastic sheets (4), and contact protrusions (5), wherein two welding pins (2) are fixedly connected to the U-shaped support plate (1), two square slots (3) are formed on the U-shaped support plate (1), two elastic sheets (4) are fixedly connected to the U-shaped support plate (1), and contact protrusions (5) are fixedly connected to the elastic sheets (4), characterized in that, It further includes a support plate (7) and a bolt (8), the U-shaped support sheet (1) is provided with two guide grooves (6), the U-shaped support sheet (1) is rotatably provided with two bolts (8), the bolt (8) is threadedly provided with a support plate (7), and the support plate (7) slides in the adjacent guide groove (6).

2. An antenna grounding device according to claim 1, characterised in that It further includes a mounting seat (9), a rivet (10) and a bidirectional screw rod (11), the bidirectional screw rod (11) is threadedly provided with two mounting seats (9), the bidirectional screw rod (11) is located in the U-shaped support sheet (1), the mounting seat (9) is in contact with the U-shaped support sheet (1), the mounting seat (9) is clamped with four rivets (10), and the rivet (10) is clamped into the U-shaped support sheet (1).

3. An antenna grounding device according to claim 2, characterised in that It further includes an antiskid sleeve (12), the bidirectional screw rod (11) is sleeved with the antiskid sleeve (12).

4. An antenna grounding device according to claim 3, characterised in that It further includes a reinforcing rib (13), and the U-shaped support sheet (1) is fixedly connected with two groups of reinforcing ribs (13).

5. An antenna grounding device according to claim 4, characterised in that Two support plates (7) are diagonally arranged on the U-shaped support sheet (1).

6. An antenna grounding device according to claim 5, wherein The welding pin (2) is provided with a chamfer on both sides.

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