Radio frequency power amplifier module mounting device based on elastic limiting

Abstract

The utility model discloses a radio frequency power amplifier module mounting device based on elastic limit, which comprises a radio frequency module circuit board, the lower end of the radio frequency module circuit board is provided with a supporting bottom plate, the side surface of the supporting bottom plate is provided with a connecting female port, the inner wall of a groove of the connecting female port is provided with a wire harness interface, and the surface of the wire harness interface is provided with a groove. The radio frequency power amplifier module mounting device based on elastic limiting is provided with a positioning clamping block and a supporting air bag, so that when the device works, a wiring harness interface is inserted into a connecting female port, the positioning clamping block is clamped into an opening of the connecting female port for locking, and the stability is improved; during unlocking, a piston column and a limiting sliding block are pushed to conveniently drive a positioning clamping block to loosen the connecting female opening, unlocking convenience is improved, the positioning clamping block pushes the piston column when the connecting female opening and the wire harness connector are installed, air enters a supporting air bag, the supporting air bag can conveniently support and seal the wire harness connector, and therefore sealing performance and stability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of radio frequency power amplifiers, in particular to a radio frequency power amplifier module installation device based on elastic limiting. Background Art

[0002] Radio frequency refers to the electromagnetic frequency that can be radiated into space, with a frequency range from 300kHz to 300GHz. Radio frequency is radio frequency current, abbreviated as RF, which is the abbreviation of high-frequency alternating electromagnetic waves. In electronics theory, when current flows through a conductor, a magnetic field is formed around the conductor; when alternating current passes through a conductor, an alternating electromagnetic field is formed around the conductor, which is called an electromagnetic wave. We call high-frequency electromagnetic waves with long-distance transmission capabilities radio frequency. Radio frequency technology is widely used in the field of wireless communications. Cable TV systems use radio frequency transmission. In the field of modern microwave radio frequency, with the development of industry technology, the demand for various miniaturized and highly integrated module devices is growing. Therefore, the application scope and scale of more and more ultra-small push-in radio frequency coaxial connectors are expanding.

[0003] Currently, in the plug-in electronic jamming system in the field of wireless communication, multiple RF power amplifier modules of different frequency bands are installed sideways in a standard chassis. Generally, fixing holes are opened at the four corners of the RF module and fixed by bolts. However, if it is only fixed by bolts, it is easy to rust due to water vapor erosion after long-term work, which increases the difficulty of disassembly and reduces the efficiency of maintenance. Utility Model Content

[0004] The purpose of the utility model is to provide a radio frequency power amplifier module installation device based on elastic limitation, so as to solve the problem proposed in the above-mentioned background technology that the general radio frequency module has fixing holes at the four corners and is fixed by bolts. However, if it is only fixed by bolts, it is easy to rust due to water vapor erosion after long-term work, thereby increasing the difficulty of disassembly and reducing the efficiency of maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an RF power amplifier module installation device based on elastic limit, comprising a RF module circuit board, a supporting base plate is arranged at the lower end of the RF module circuit board, a connecting female port is installed on the side surface of the supporting base plate, a wiring harness interface is arranged on the inner wall of the groove of the connecting female port, a groove is arranged on the surface of the wiring harness interface, and a positioning block is fixed on the inner wall of the wiring harness interface groove, an opening is arranged on the surface of the connecting female port, and a limiting slider is slidably connected to the inner wall of the connecting female port opening, a piston column is fixedly connected to the upper end of the limiting slider, a supporting airbag is fixedly connected to the inner wall of the connecting female port groove, a positioning column is fixed on the upper surface of the supporting base plate, and an anti-slip buffer mechanism is arranged on the surface of the positioning column, which is positioned by a locking block, and at the same time, the surface of the RF module circuit board is pressed and firmly limited by rotating the tightening pressure plate.

[0006] Preferably, an opening is provided on the surface of the RF module circuit board, a protrusion is provided on the upper surface of one end of the positioning card block, and a side surface of one end of the positioning card block is inclined.

[0007] By adopting the above technical solution, positioning is facilitated through the opening of the radio frequency module circuit board, and the protrusion of the positioning card block is engaged with the female port.

[0008] Preferably, the positioning block is snap-fitted with the connecting female port, and a spring is connected between the limiting slider and the connecting female port.

[0009] By adopting the above technical solution, the positioning block can be pushed and unlocked by sliding the limit slider.

[0010] Preferably, the piston column is communicated with the supporting airbag, the supporting airbag is annular in design, and the upper end of the piston column passes through the upper surface of the connecting female port.

[0011] By adopting the above technical solution, the piston rod is driven to slide by the limit slider, so that the piston rod pushes the air into the support airbag.

[0012] Preferably, the anti-slip buffer mechanism includes a locking block, which is slidably connected to the outer surface of the lower end of the positioning column, one end of the locking block is fixedly connected to the first magnet, the upper surface of the positioning column is provided with an opening, and the inner wall of the positioning column opening is slidably connected to a linkage column, the outer surface of the lower end of the linkage column is fixed with a second magnet, the inner wall of the positioning column opening is provided with a groove, the inner wall of the positioning column groove is slidably connected to a transmission tooth plate, one end of the transmission tooth plate is fixed with a third magnet, the inner wall of the positioning column groove is rotatably provided with an adjusting gear, and the outer surface of the upper end of the positioning column is rotatably connected to a fastening pressure plate.

[0013] By adopting the above technical solution, the locking block is fixed to the positioning column and the RF module circuit board through the anti-skid buffer mechanism.

[0014] Preferably, the upper surface of one end of the locking block is inclined, a spring is connected between the locking block and the positioning column, the locking block is snap-fitted with the RF module circuit board, and the magnetic poles of one end of the first magnet and the second magnet facing each other are opposite.

[0015] By adopting the above technical solution, the tilted design of the locking block facilitates the locking into the groove of the RF module circuit board, and the first magnet is attracted and unlocked by the second magnet.

[0016] Preferably, a spring is connected between the transmission tooth plate and the positioning column, the third magnet has the same magnetic pole as the end facing the second magnet, a tooth block is provided on the surface of the transmission tooth plate, and the transmission tooth plate is meshed with the adjusting gear through the tooth block, a sprocket is provided at one end of the adjusting gear shaft, a sprocket is provided at one end of the fastening pressure plate shaft, and a transmission chain is provided between the sprocket of the fastening pressure plate and the sprocket of the adjusting gear, and a rubber pad is provided on the outer surface of one end of the fastening pressure plate.

[0017] By adopting the above technical solution, the sliding of the transmission tooth plate drives the adjusting gear to rotate, so that the adjusting gear drives the fastening pressure plate to rotate.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the RF power amplifier module installation device based on elastic limit:

[0019] 1. A positioning card block and a supporting airbag are provided. When the device is working, the wiring harness interface is inserted into the connecting female port, so that the positioning card block is inserted into the opening of the connecting female port for locking, thereby improving stability. When unlocking, the piston column and the limit slider are pushed to facilitate the positioning card block to loosen the connecting female port, thereby improving the convenience of unlocking. When installing the connecting female port and the wiring harness interface, the positioning card block pushes the piston column, so that air enters the supporting airbag, which facilitates the supporting airbag to support and seal the wiring harness interface, thereby improving the sealing and stability;

[0020] 2. A locking block and a linkage column are provided, so that when the device is working, the positioning column is inserted into the opening of the RF module circuit board for positioning and installation, and then the spring on the inner wall of the positioning column pushes the locking block to slide, so that the locking block is engaged and fixed to the RF module circuit board, thereby improving the stability of the installation. When unlocking and disassembling is required, the linkage column is pressed down to drive the second magnet close to the first magnet, so that the locking block is attracted and then slides to release the RF module circuit board, which is convenient for unlocking and improves practicality;

[0021] 3. An adjusting gear and a fastening plate are provided so that when the device is working, the RF module circuit board and the positioning column are installed, so that the spring on the surface of the positioning column pushes the linkage column to slide up, so that the second magnet repels the third magnet, so that the third magnet drives the transmission tooth plate to slide, so that the transmission tooth plate drives the adjusting gear to rotate, and the adjusting gear drives the fastening plate to rotate through the transmission chain, so that the fastening plate can press the upper surface of the RF module circuit board, thereby improving the stability of the device. At the same time, the rubber pad of the fastening plate performs elastic buffering and limiting, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall top-sectional structure of the utility model;

[0023] Figure 2This is a front cross-sectional structural diagram of the connection between the positioning column and the locking block of the utility model;

[0024] Figure 3 This is a schematic diagram of the top cross-sectional structure of the connection between the positioning column and the locking block of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the connection between the radio frequency module circuit board and the supporting base plate of the utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the positioning column and the linkage column connected to the utility model;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the connection between the limit sliding block and the piston column of the utility model.

[0028] In the figure: 1. RF module circuit board; 2. Support base plate; 3. Connecting female port; 4. Wiring harness interface; 5. Positioning block; 6. Limiting slider; 7. Piston column; 8. Support airbag; 9. Positioning column; 10. Locking block; 11. First magnet; 12. Linkage column; 13. Second magnet; 14. Transmission gear plate; 15. Third magnet; 16. Adjusting gear; 17. Fastening pressure plate. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-6 The utility model provides a technical solution: a radio frequency power amplifier module installation device based on elastic limit, comprising a radio frequency module circuit board 1, a supporting base plate 2, a connecting female port 3, a wiring harness interface 4, a positioning card block 5, a limiting slider 6, a piston column 7, a supporting airbag 8, a positioning column 9, a locking block 10, a first magnet 11, a linkage column 12, a second magnet 13, a transmission gear plate 14, a third magnet 15, an adjusting gear 16 and a fastening plate 17, the radio frequency module circuit board 1, a supporting base plate 2 is arranged at its lower end, an opening is arranged on the surface of the radio frequency module circuit board 1, a protrusion is arranged on the upper surface of one end of the positioning card block 5, and a side surface of one end of the positioning card block 5 is inclined. When using the device, first insert the positioning column 9 on the surface of the supporting base plate 2 into the opening of the radio frequency module circuit board 1 for installation, so that the spring on the surface of the positioning column 9 pushes the locking block 10 to slide into the groove of the radio frequency module circuit board 1 for fixing, and then connects through the connecting female port 3 and the wiring harness interface 4 for use.

[0031] A connecting female port 3 is installed on the side surface of the supporting base plate 2, and a wiring harness interface 4 is provided on the inner wall of the groove of the connecting female port 3. The positioning block 5 is snap-fitted with the connecting female port 3. A spring is connected between the limiting slider 6 and the connecting female port 3. The piston column 7 is connected to the supporting airbag 8. The supporting airbag 8 is annular in design. The upper end of the piston column 7 passes through the upper surface of the connecting female port 3, and is positioned by the positioning block 5 on the surface of the wiring harness interface 4 being inserted into the opening of the connecting female port 3, so that the positioning block 5 pushes the limiting slider 6 and the piston column 7 to slide.

[0032] The surface of the wiring harness interface 4 is provided with a groove, and the inner wall of the groove of the wiring harness interface 4 is fixed with a positioning block 5, the anti-slip buffer mechanism includes a locking block 10, which is slidably connected to the outer surface of the lower end of the positioning column 9, one end of the locking block 10 is fixedly connected to the first magnet 11, the upper surface of the positioning column 9 is provided with an opening, and the inner wall of the opening of the positioning column 9 is slidably connected with a linkage column 12, the outer surface of the lower end of the linkage column 12 is fixed with a second magnet 13, the inner wall of the opening of the positioning column 9 is provided with a groove, the inner wall of the groove of the positioning column 9 is slidably connected with a transmission gear plate 14, one end of the transmission gear plate 14 is fixed with a third magnet 15, the inner wall of the groove of the positioning column 9 is rotatably provided with an adjusting gear 16, and the outer surface of the upper end of the positioning column 9 is rotatably connected with a fastening pressure plate 17, after the piston column 7 slides, the air is pushed into the support airbag 8, so that the support airbag 8 supports and fits the wiring harness interface 4 after expansion, thereby improving the buffering performance of the wiring harness interface 4 and facilitating sealing protection.

[0033] An opening is provided on the surface of the connecting female port 3, and the inner wall of the opening of the connecting female port 3 is slidably connected to a limit slider 6, the upper end of the limit slider 6 is fixedly connected to a piston column 7, and the inner wall of the groove of the connecting female port 3 is fixedly connected to a support airbag 8. The upper surface of one end of the locking block 10 is inclined, and a spring is connected between the locking block 10 and the positioning column 9. The locking block 10 forms a snap connection with the RF module circuit board 1. The magnetic poles of the first magnet 11 and the second magnet 13 facing each other are opposite. When installing the RF module circuit board 1 and the positioning column 9, the spring on the surface of the positioning column 9 pushes the linkage column 12 to slide up, so that the linkage column 12 drives the second magnet 13 to repel the third magnet 15, so that the third magnet 15 drives the transmission tooth plate 14 to slide, so that the transmission tooth plate 14 drives the adjusting gear 16 to rotate, and the adjusting gear 16 drives the fastening plate 17 to rotate through the transmission chain, so that the fastening plate 17 presses the surface of the RF module circuit board 1 for fastening, and at the same time, the rubber pad on the surface of the fastening plate 17 is used to facilitate elastic limiting and improve the buffering performance.

[0034] A positioning column 9 is fixed on the upper surface of the support base plate 2, and an anti-skid buffer mechanism is arranged on the surface of the positioning column 9, which is positioned by a locking block 10, and at the same time, the surface of the RF module circuit board 1 is firmly limited by rotating the fastening plate 17, and a spring is connected between the transmission gear plate 14 and the positioning column 9, and the magnetic poles of the third magnet 15 and the second magnet 13 facing each other are the same, and a tooth block is arranged on the surface of the transmission gear plate 14, and the transmission gear plate 14 is meshed with the adjusting gear 16 through the tooth block, and one end of the rotating shaft of the adjusting gear 16 is adjusted. A sprocket is provided, a sprocket is provided at one end of the rotating shaft of the fastening pressure plate 17, and a transmission chain is provided between the sprocket of the fastening pressure plate 17 and the sprocket of the adjusting gear 16, and a rubber pad is provided on the outer surface of one end of the fastening pressure plate 17. When it is necessary to unlock and install the RF module circuit board 1 and the positioning column 9, the second magnet 13 is driven to approach the first magnet 11 by pressing down the linkage column 12, so that the first magnet 11 is attracted and drives the locking block 10 to slide, which facilitates the locking block 10 to unlock the RF module circuit board 1, thereby improving the disassembly efficiency of the device.

[0035] Working principle: When using the RF power amplifier module installation device based on elastic limit, first insert the positioning column 9 on the surface of the supporting base plate 2 into the opening of the RF module circuit board 1, and then insert the locking block 10 into the groove of the RF module circuit board 1 for fixing. At the same time, the spring of the positioning column 9 pushes the linkage column 12 to rise, so that the second magnet 13 repels the third magnet 15, so that the third magnet 15 drives the transmission gear plate 14 to slide, so that the transmission gear plate 14 drives the adjusting gear 16 and the fastening pressure plate 17 to rotate, so that the fastening pressure plate 17 presses and fixes the RF module circuit board 1, and inserts the connecting female port 3 through the wiring harness interface 4 to make the positioning card block 5 engage and fix it. The positioning card block 5 pushes the limiting slider 6 and the piston column 7 to slide, so that air enters the supporting airbag 8, so that the supporting airbag 8 supports and seals the wiring harness interface 4, and pushes the linkage column 12 to drive the second magnet 13 to descend, so that the second magnet 13 attracts the first magnet 11 to drive the locking block 10 to unlock, thereby increasing the overall practicality.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A radio frequency power amplifier module installation device based on elastic limit, comprising a radio frequency module circuit board (1), a supporting base plate (2) being arranged at the lower end thereof, a connecting female port (3) being arranged on the side surface of the supporting base plate (2), characterized in that: A harness interface (4) is provided on the inner wall of the groove of the connecting female port (3), a groove is provided on the surface of the harness interface (4), and a positioning block (5) is fixed on the inner wall of the groove of the harness interface (4), an opening is provided on the surface of the connecting female port (3), and a limiting slider (6) is slidably connected to the inner wall of the opening of the connecting female port (3), a piston column (7) is fixedly connected to the upper end of the limiting slider (6), a supporting airbag (8) is fixedly connected to the inner wall of the groove of the connecting female port (3), a positioning column (9) is fixedly provided on the upper surface of the supporting base plate (2), and an anti-skid buffer mechanism is provided on the surface of the positioning column (9), which is positioned by a locking block (10) and is firmly limited by rotating the fastening plate (17) to press the surface of the radio frequency module circuit board (1).

2. According to claim 1, a radio frequency power amplifier module installation device based on elastic limitation is characterized in that: The surface of the radio frequency module circuit board (1) is provided with an opening, the upper surface of one end of the positioning card block (5) is provided with a protrusion, and the side surface of one end of the positioning card block (5) is designed to be inclined.

3. The RF power amplifier module installation device based on elastic limitation according to claim 1 is characterized in that: The positioning block (5) and the connecting female port (3) form a snap-fit ​​connection, and a spring is connected between the limiting slide block (6) and the connecting female port (3).

4. The RF power amplifier module installation device based on elastic limitation according to claim 1 is characterized in that: The piston column (7) is communicated with the supporting airbag (8), the supporting airbag (8) is annular in design, and the upper end of the piston column (7) penetrates the upper surface of the connecting female port (3).

5. The RF power amplifier module installation device based on elastic limitation according to claim 1 is characterized in that: The anti-slip buffer mechanism comprises a locking block (10), which is slidably connected to the outer surface of the lower end of the positioning column (9), one end of the locking block (10) is fixedly connected to a first magnet (11), the upper surface of the positioning column (9) is provided with an opening, and the inner wall of the opening of the positioning column (9) is slidably connected to a linkage column (12), the outer surface of the lower end of the linkage column (12) is fixed with a second magnet (13), the inner wall of the opening of the positioning column (9) is provided with a groove, the inner wall of the groove of the positioning column (9) is slidably connected to a transmission tooth plate (14), one end of the transmission tooth plate (14) is fixed with a third magnet (15), the inner wall of the groove of the positioning column (9) is rotatably provided with an adjusting gear (16), and the outer surface of the upper end of the positioning column (9) is rotatably connected to a fastening pressure plate (17).

6. The RF power amplifier module installation device based on elastic limitation according to claim 5 is characterized in that: The upper surface of one end of the locking block (10) is designed to be inclined, a spring is connected between the locking block (10) and the positioning column (9), the locking block (10) and the radio frequency module circuit board (1) form a snap connection, and the magnetic poles of the first magnet (11) and the second magnet (13) facing each other are opposite.

7. The RF power amplifier module installation device based on elastic limitation according to claim 5 is characterized in that: A spring is connected between the transmission tooth plate (14) and the positioning column (9); the third magnet (15) has the same magnetic pole as the end facing the second magnet (13); a tooth block is provided on the surface of the transmission tooth plate (14); and the transmission tooth plate (14) is meshedly connected with the adjusting gear (16) through the tooth block; a sprocket is provided at one end of the rotating shaft of the adjusting gear (16); a sprocket is provided at one end of the rotating shaft of the fastening pressure plate (17); and a transmission chain is provided between the sprocket of the fastening pressure plate (17) and the sprocket of the adjusting gear (16); and a rubber cushion is provided on the outer surface of one end of the fastening pressure plate (17).

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