Signal amplifier

Abstract

The utility model discloses a signal amplifier which comprises a signal amplifier body, supporting blocks are fixedly connected to the four corners of the lower end of the signal amplifier body respectively, a base is fixedly connected to the lower ends of the supporting blocks, and a plurality of first rotating sleeves are fixedly connected to the two ends of the base respectively. One end of the first rotating sleeve is rotatably connected with a second rotating sleeve, two protective shells are symmetrically arranged at the upper end of the base, two U-shaped rotating frames are symmetrically and fixedly connected to the upper end of the base, rotating blocks are rotatably connected to the middles of the two rotating frames, and electric push rods are fixedly connected to the outer side ends of the rotating blocks; the output end of the electric push rod is fixedly connected with an L-shaped connecting plate, and the inner walls of the two protective shells are fixedly connected with rotating columns. The protection shell is controlled to be opened or closed through the electric push rod, the signal amplifier is protected when the protection shell is closed, the signal amplifier is located in a closed space, and waterproof and moistureproof effects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of signal amplifiers, in particular to a signal amplifier. Background Art

[0002] A signal amplifier is a common circuit in electronic devices that is used to amplify input signals to a larger amplitude for further processing or to drive other devices in electronic systems.

[0003] The signal amplifier itself does not have a protective structure and is easily damaged after being hit during transportation. It needs to be packed with cushioning packaging materials such as foam board and pearl cotton. After the cushioning packaging material is removed from the signal amplifier, it is not easy to store and it is difficult to reuse it when the signal amplifier is moved. Utility Model Content

[0004] The utility model aims to provide a signal amplifier, which can protect the signal amplifier and seal the signal amplifier during transportation or storage to prevent water and moisture.

[0005] In order to achieve the above-mentioned purpose, a signal amplifier is provided, comprising a signal amplifier body, wherein the four corners of the lower end of the signal amplifier body are respectively fixedly connected to support blocks, the lower end of the support block is fixedly connected to a base, and the signal amplifier body is located above the middle of the base, and the two ends of the base are respectively fixedly connected to a plurality of first rotating sleeves, one end of the first rotating sleeve is rotatably connected to a second rotating sleeve, and the second rotating sleeve is located between two adjacent first rotating sleeves, one end of the first rotating sleeve is provided with a rotating shaft, and the rotating shaft sequentially passes through the middle of the first rotating sleeve and the second rotating sleeve and is rotatably connected to the first rotating sleeve and the second rotating sleeve, and two protective shells are symmetrically provided on the upper end of the base, and the bottoms and the corresponding bottoms of the two protective shells are connected to the first rotating sleeve and the second rotating sleeve. The opposite ends are provided with openings, the main body of the signal amplifier is located in a closed space formed by two protective shells, the bottoms of the two protective shells are fixedly connected to the outer ends of the second rotating sleeves at the two ends of the base, the upper end of the base is symmetrically fixedly connected with two U-shaped rotating racks, and the rotating racks are located between the inner wall of the protective shell and the main body of the signal amplifier, the middle part of the two rotating racks is rotatably connected with a rotating block, the outer end of the rotating block is fixedly connected with an electric push rod, and the rotating block is located in the middle of the lower end of the electric push rod, the output end of the electric push rod is fixedly connected with an L-shaped connecting plate, the inner walls of the two protective shells are fixedly connected with a rotating column, and the rotating column passes through the middle of the connecting plate and is rotatably connected with the connecting plate. It can protect the signal amplifier and seal the signal amplifier during transportation or storage to protect it from water and moisture.

[0006] According to the signal amplifier, a U-shaped top plate is provided between the inner wall of the protective shell and the upper end of the signal amplifier body, and the top plate is located above the middle of the signal amplifier body, and the two side ends of the top plate are respectively provided with sliding grooves, and the sliding grooves penetrate the top plate, and the inner walls of the two protective shells are respectively fixedly connected with two sliding columns, and the sliding columns are respectively located at the opposite ends of the two protective shells, and the sliding columns penetrate the top plate through the sliding grooves, and the outer ends of the sliding columns are slidably connected to the sliding grooves. The top plate protects the top of the signal amplifier when the protective shell is opened.

[0007] According to the signal amplifier, the upper end of the top plate is provided with a plurality of heat dissipation openings at equal intervals, and the heat dissipation openings penetrate the top plate downward. The heat dissipation openings on the top plate facilitate the discharge of hot air above the signal amplifier, and prevent the hot air from gathering under the top plate and affecting the normal heat dissipation of the signal amplifier.

[0008] According to the signal amplifier, a limit bolt is installed at one end of the rotating column, and the limit bolt extends into the rotating column and is threadedly connected to the rotating column, and the head diameter of the limit bolt is larger than the diameter of the rotating column. The limit bolt cooperates with the rotating column to limit the connection plate, so as to facilitate the disassembly and assembly between the connection plate and the rotating column.

[0009] According to the signal amplifier, a handle is provided in the middle of one side of the signal amplifier body, and the handle is installed in the middle of one end of the protective shell and is rotatably connected to the protective shell. The handle is convenient for carrying and moving the signal amplifier, and the rotatable connection between the handle and the protective shell allows the handle to be folded, which is convenient for storing the signal amplifier.

[0010] According to the signal amplifier, a switch is fixedly connected to one end of the protective shell, and the switch is on the same side as the handle, the switch is electrically connected to the electric push rod, and a battery is installed in the switch. The switch is used to control the electric push rod to open or close the protective shell.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The protective shell is opened or closed by the electric push rod. When the protective shell is closed, it protects the signal amplifier body and keeps the signal amplifier body in a closed space, which is waterproof and moisture-proof.

[0013] 2. When the protective shell is opened, the limit column rises along the arc trajectory along with the protective shell. The limit column cooperates with the slide groove of the top plate so that the rotating column rises while driving the top plate to rise, thereby protecting the top of the signal amplifier.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional diagram of a signal amplifier of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the working state of a signal amplifier of the utility model;

[0018] Figure 3 This is a cross-sectional view of a signal amplifier of the utility model;

[0019] Figure 4 This is a bottom perspective view of a protective shell of a signal amplifier of the utility model;

[0020] Figure 5 This is a diagram showing the coordination between a protective shell and a top plate of a signal amplifier of the utility model;

[0021] Figure 6 for Figure 3 The enlarged view of point A in the middle;

[0022] Figure 7 It is a partial enlarged view of the cooperation between the protective shell, the rotating column and the limiting bolt of a signal amplifier of the utility model.

[0023] In the figure: 1. protective shell; 2. switch; 3. handle; 4. first rotating sleeve; 5. second rotating sleeve; 6. rotating shaft; 7. base; 8. electric push rod; 9. support block; 10. signal amplifier body; 11. top plate; 12. connecting plate; 13. sliding column; 14. rotating column; 15. heat dissipation port; 16. slide groove; 17. rotating frame; 18. rotating block; 19. limit bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 - Figure 7The utility model provides a technical solution: a signal amplifier, including a signal amplifier body 10, the four corners of the lower end of the signal amplifier body 10 are fixedly connected with support blocks 9, the lower end of the support block 9 is fixedly connected with a base 7, and the signal amplifier body 10 is located above the middle of the base 7, and the two ends of the base 7 are respectively fixedly connected with a plurality of first rotating sleeves 4, one end of the first rotating sleeve 4 is rotatably connected with a second rotating sleeve 5, and the second rotating sleeve 5 is located between two adjacent first rotating sleeves 4, one end of the first rotating sleeve 4 is provided with a rotating shaft 6, and the rotating shaft 6 sequentially passes through the middle of the first rotating sleeve 4 and the second rotating sleeve 5 and is rotatably connected to the first rotating sleeve 4 and the second rotating sleeve 5, and the upper end of the base 7 is symmetrically provided with two protective shells 1 , and the bottom and opposite ends of the two protective shells 1 are respectively provided with openings, the signal amplifier body 10 is located in the closed space formed by the two protective shells 1, a U-shaped top plate 11 is provided between the inner wall of the protective shell 1 and the upper end of the signal amplifier body 10, and the top plate 11 is located above the middle of the signal amplifier body 10, and the two side ends of the top plate 11 are respectively provided with slide grooves 16, and the slide grooves 16 penetrate the top plate 11, and the inner walls of the two protective shells 1 are respectively fixedly connected with two sliding columns 13, and the sliding columns 13 are respectively located at the opposite ends of the two protective shells 1, and the sliding columns 13 penetrate the top plate 11 through the slide grooves 16, and the outer ends of the sliding columns 13 are slidably connected with the slide grooves 16, and the top plate 11 protects the top of the signal amplifier when the protective shell 1 is opened. A plurality of heat dissipation ports 15 are equidistantly provided at the upper end of the top plate 11, and the heat dissipation ports 15 penetrate the top plate 11 downwardly, and the heat dissipation ports 15 on the top plate 11 facilitate the discharge of hot air above the signal amplifier, and prevent the hot air from gathering under the top plate 11, affecting the normal heat dissipation of the signal amplifier. The bottoms of the two protective shells 1 are fixedly connected to the outer ends of the second rotating sleeves 5 at both ends of the base 7, respectively. The upper end of the base 7 is symmetrically fixedly connected to two U-shaped rotating racks 17, and the rotating racks 17 are located between the inner wall of the protective shell 1 and the signal amplifier body 10. The middle of the two rotating racks 17 is rotatably connected with a rotating block 18, and the outer end of the rotating block 18 is fixedly connected with an electric push rod 8, and the rotating block 18 is located in the middle of the lower end of the electric push rod 8. The output end of the electric push rod 8 is fixedly connected with an L-shaped connecting plate 12, and the inner walls of the two protective shells 1 are fixedly connected with a rotating column 14, and the rotating column 14 passes through the middle of the connecting plate 12 and is rotatably connected to the connecting plate 12. A limiting bolt 19 is installed at one end of the rotating column 14, and the limiting bolt 19 extends into the rotating column 14 and is threadedly connected to the rotating column 14. The head diameter of the limiting bolt 19 is larger than the diameter of the rotating column 14. The limiting bolt 19 cooperates with the rotating column 14 to limit the connecting plate 12, so as to facilitate the disassembly and assembly between the connecting plate 12 and the rotating column 14. A handle 3 is provided in the middle of one side of the signal amplifier body 10, and the handle 3 is installed in the middle of one end of the protective shell 1 and is rotatably connected to the protective shell 1. The handle 3 is convenient for carrying and moving the signal amplifier, and the rotatable connection between the handle 3 and the protective shell 1 allows the handle 3 to be folded, which is convenient for storing the signal amplifier.A switch 2 is fixedly connected to one end of the protective shell 1, and the switch 2 is on the same side as the handle 3. The switch 2 is electrically connected to the electric push rod 8. A battery is installed in the switch 2. The switch 2 is used to control the electric push rod 8 to open or close the protective shell 1.

[0026] Working principle: During transportation, the electric push rod 8 is completely retracted, and the two protective shells 1 are closed to seal the signal amplifier. When the signal amplifier is in use, the switch 2 is turned on to extend the electric push rod 8. The electric push rod 8 cooperates with the connecting plate 12, the rotating frame 17 and the rotating block 18 to lift the opposite ends of the two protective shells 1 upward and open. At the same time, the limiting column on the protective shell 1 slides in the slide groove 16 of the top plate 11, so that the protective shell 1 opens and drives the top plate 11 to rise, thereby protecting the top of the signal amplifier.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A signal amplifier, comprising a signal amplifier body (10), characterized in that: The four corners of the lower end of the signal amplifier body (10) are respectively fixedly connected to support blocks (9), the lower end of the support block (9) is fixedly connected to a base (7), and the signal amplifier body (10) is located above the middle of the base (7), and the two ends of the base (7) are respectively fixedly connected to a plurality of first rotating sleeves (4), one end of the first rotating sleeve (4) is rotatably connected to a second rotating sleeve (5), and the second rotating sleeve (5) is located between two adjacent first rotating sleeves (4), one end of the first rotating sleeve (4) is provided with a rotating shaft (6), and the rotating shaft (6) sequentially passes through the middle of the first rotating sleeve (4) and the second rotating sleeve (5) and is rotatably connected to the first rotating sleeve (4) and the second rotating sleeve (5), and the upper end of the base (7) is symmetrically provided with two protective shells (1), and the bottoms and opposite ends of the two protective shells (1) are respectively provided with openings, and the signal amplifier body (10) ) is located in a closed space formed by two protective shells (1), the bottoms of the two protective shells (1) are respectively fixedly connected to the outer ends of the second rotating sleeves (5) at both ends of the base (7), the upper end of the base (7) is symmetrically fixedly connected to two U-shaped rotating frames (17), and the rotating frames (17) are located between the inner wall of the protective shell (1) and the signal amplifier body (10), the middle parts of the two rotating frames (17) are rotatably connected to a rotating block (18), the outer ends of the rotating blocks (18) are fixedly connected to an electric push rod (8), and the rotating block (18) is located at the middle part of the lower end of the electric push rod (8), the output end of the electric push rod (8) is fixedly connected to an L-shaped connecting plate (12), the inner walls of the two protective shells (1) are fixedly connected to a rotating column (14), and the rotating column (14) passes through the middle part of the connecting plate (12) and is rotatably connected to the connecting plate (12).

2. A signal amplifier as claimed in claim 1, characterized in that: A U-shaped top plate (11) is provided between the inner wall of the protective shell (1) and the upper end of the signal amplifier body (10), and the top plate (11) is located above the middle of the signal amplifier body (10). Slide grooves (16) are provided at both side ends of the top plate (11), and the slide grooves (16) penetrate the top plate (11). Two sliding columns (13) are fixedly connected to the inner walls of the two protective shells (1), and the sliding columns (13) are located at opposite ends of the two protective shells (1). The sliding columns (13) penetrate the top plate (11) through the slide grooves (16), and the outer ends of the sliding columns (13) are slidably connected to the slide grooves (16).

3. A signal amplifier as claimed in claim 2, characterized in that: A plurality of heat dissipation openings (15) are equidistantly arranged at the upper end of the top plate (11), and the heat dissipation openings (15) penetrate downward through the top plate (11).

4. A signal amplifier as claimed in claim 1, characterized in that: A limiting bolt (19) is installed at one end of the rotating column (14), and the limiting bolt (19) extends into the rotating column (14) and is threadedly connected to the rotating column (14), and the head diameter of the limiting bolt (19) is larger than the diameter of the rotating column (14).

5. A signal amplifier as claimed in claim 1, characterized in that: A handle (3) is provided in the middle of one side of the signal amplifier body (10), and the handle (3) is mounted in the middle of one end of the protective shell (1) and is rotatably connected to the protective shell (1).

6. A signal amplifier as claimed in claim 1, characterized in that: A switch (2) is fixedly connected to one end of the protective shell (1), and the switch (2) and the handle (3) are on the same side. The switch (2) is electrically connected to the electric push rod (8), and a battery is installed in the switch (2).

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