Pre-filter mounting device

Abstract

The utility model belongs to the technical field of filter auxiliary devices, and particularly relates to a prefilter mounting device which comprises a suspension frame, the front side wall and the rear side wall of the inner side of the suspension frame are rotationally connected with a mounting box body, a motor is fixedly installed on the front side of the suspension frame, and the output end of the motor is fixedly connected with the front side of the mounting box body. The front side of the mounting box body is fixedly connected with a protective cover, the motor is located on the inner side of the protective cover, a negative pressure fan is embedded in the left side of the mounting box body, a mounting cavity is formed in the right side of the mounting box body, and an air duct is embedded in the left side wall of the inner side of the mounting cavity. The angle of the device cannot be freely adjusted, so that poor signal transmission and poor efficiency are easily caused; when an existing device is used, generated heat cannot be discharged in time, the danger of electric leakage and high-temperature melt-down of the device is easily caused, the service life of a filter is shortened, and inconvenience is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of filter auxiliary devices, in particular to a pre-filter mounting device. Background Technique

[0002] A pre-filter is a filter placed at the input end of a receiver. Its main function is to filter out out-of-band signals and noise to reduce interference and noise in the receiver. A pre-filter is usually a high-pass or band-pass filter, and its passband range should generally match the frequency range of the receiver. When the filter is in use, it is easily affected by the external environment, so a protection device is needed to protect the filter body.

[0003] Most of the existing devices are fixedly installed. The device cannot freely adjust the device angle, which easily leads to poor signal transmission and low efficiency. When the existing device is in use, the heat generated cannot be discharged in time, which easily leads to the risks of device leakage and high-temperature melting, reducing the service life of the filter, and is rather inconvenient. The installation and disassembly of the existing device are rather troublesome, and it is easy to cause device damage during the installation and disassembly process, which is rather inconvenient. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pre-filter mounting device to solve the problems in the above-mentioned background technique that most of the existing devices are fixedly installed, the device cannot freely adjust the device angle, which easily leads to poor signal transmission and low efficiency; when the existing device is in use, the heat generated cannot be discharged in time, which easily leads to the risks of device leakage and high-temperature melting, reducing the service life of the filter, and is rather inconvenient.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pre-filter mounting device, including a suspension, the front and rear side walls inside the suspension are rotatably connected with a mounting box body, a motor is fixedly installed on the front side of the suspension, the output end of the motor is fixedly connected with the front side of the mounting box body, a protective cover is fixedly connected to the front side of the mounting box body, the motor is located inside the protective cover, a negative pressure fan is embedded on the left side of the mounting box body, an installation cavity is opened on the right side of the mounting box body, an air duct is embedded on the left side wall inside the installation cavity, first slots are opened on the upper, lower, front and rear four side walls inside the installation cavity, a filter installation box body is movably arranged inside the installation cavity, first insertion blocks are fixedly arranged on the outer side wall of the filter installation box body, the first insertion blocks correspond to the first slots, and the filter installation box body is inserted into the mounting box body.

[0006] Preferably, the right side of the negative pressure fan is in contact with the left end of the air duct, a ring hole is opened on the left side of the filter installation box body, and the ring hole is sleeved on the outer side of the air duct.

[0007] Preferably, a jack is provided on the upper side of the mounting box body, a sealing plug is movably arranged inside the jack, a second slot is provided at the bottom inside the installation cavity, the lower end of the sealing plug is inserted into the second slot, and the left side of the sealing plug is attached to the right side of the filter installation box body.

[0008] Preferably, a limiting plate is fixedly connected to the upper side of the sealing plug, and first screw holes corresponding to each other are respectively provided through the limiting plate and the upper side of the mounting box body.

[0009] Preferably, a filter installation cavity is provided on the right side of the filter installation box body, buffer springs are symmetrically connected to the front and rear side walls inside the filter installation cavity, fixed mounting plates are fixedly connected to the opposite sides of the front and rear buffer springs, and the upper and lower sides of the fixed mounting plates are slidably connected to the upper and lower side walls inside the filter installation cavity.

[0010] Preferably, fixing plates are fixedly connected to the front and rear sides of the suspension, and second screw holes are provided through the upper and lower sides of the fixing plates.

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

[0012] 1) When the device is in use, the pre-filter is installed inside the filter installation box body, and then the first plug on the outer side of the filter installation box body is inserted into the mounting box body along the first slot inside the installation cavity. At this time, the annular hole on the left side of the filter installation box body is sleeved on the outer side of the air duct, the right end of the air duct is attached to the left side of the pre-filter, and then the negative pressure fan is started to discharge the heat generated by the device. Moreover, because the air duct is directly attached to the left surface of the pre-filter, the heat dissipation effect is better.

[0013] 2) When the filter installation box body equipped with the pre-filter is inserted into the inside of the mounting box body, then the sealing plug is inserted from the jack, the lower side of the sealing plug is inserted into the inside of the second slot, and then the limiting plate is screwed and fixed through the first screw hole, so that the sealing plug closes the filter installation box body. The installation and disassembly are relatively convenient, and the protection effect is better.

[0014] 3) After the sealing plug closes the filter installation box body, the motor is started, and the output end of the motor can drive the mounting box body to rotate, so as to adjust the angle of the device and facilitate signal reception. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the left view structural schematic diagram of the present utility model;

[0017] Figure 3Schematic right view structure of the mounting box body;

[0018] Figure 4 Schematic right view structure of the filter installation box body.

[0019] In the figure: 1. Suspension, 2. Mounting box body, 3. Motor, 4. Protective cover, 5. Negative pressure fan, 6. Installation cavity, 7. Air duct, 8. First slot, 9. Filter installation box body, 10. First plug, 11. Ring hole, 12. Sealing plug board, 13. Second slot, 14. Limiting plate, 15. First screw hole, 16. Filter installation cavity, 17. Buffer spring, 18. Fixed mounting plate, 19. Fixing plate, 20. Second screw hole. Specific implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0022] Embodiment:

[0023] Please refer to Figures 1-4, the present utility model provides a technical solution: a front-end filter mounting device, including a suspension 1. The front and rear side walls inside the suspension 1 are rotatably connected to a mounting box body 2. A motor 3 is fixedly installed on the front side of the suspension 1, and the output end of the motor 3 is fixedly connected to the front side of the mounting box body 2. The output end of the motor 3 can drive the mounting box body 2 to rotate, thereby adjusting the device angle for facilitating signal reception. A protective cover 4 is fixedly connected to the front side of the mounting box body 2, and the motor 3 is located inside the protective cover 4. A negative pressure fan 5 is embedded in the left side of the mounting box body 2, and the negative pressure fan 5 can discharge the heat generated by the device. An installation cavity 6 is opened on the right side of the mounting box body 2. An air duct 7 is embedded in the left side wall inside the installation cavity 6. First slots 8 are opened on the upper, lower, front, and rear four side walls inside the installation cavity 6. A filter installation box body 9 is movably arranged inside the installation cavity 6. A first plug 10 is fixedly arranged on the outer side wall of the filter installation box body 9, and the first plug 10 corresponds to the first slot 8. The first plug 10 on the outer side of the filter installation box body 9 can be inserted into the mounting box body 2 along the first slot 8 inside the installation cavity 6, and the filter installation box body 9 is inserted and connected to the mounting box body 2.

[0024] Wherein, the right side of the negative pressure fan 5 is in contact with the left end of the air duct 7. An annular hole 11 is opened on the left side of the filter installation box body 9, and the annular hole 11 is sleeved on the outer side of the air duct 7. The right end of the air duct 7 is in contact with the left side of the front-end filter. A jack is opened on the upper side of the mounting box body 2, and a sealing plug board 12 is movably arranged inside the jack. The sealing plug board 12 is used to seal the filter installation box body 9. A second slot 13 is opened on the bottom inside the installation cavity 6, and the lower end of the sealing plug board 12 is inserted and connected to the second slot 13 for fixing the sealing plug board 12. The left side of the sealing plug board 12 is in contact with the right side of the filter installation box body 9. A limiting plate 14 is fixedly connected to the upper side of the sealing plug board 12 for fixing and limiting the sealing plug board 12 to facilitate pulling. Corresponding first screw holes 15 are respectively opened through the limiting plate 14 and the upper side of the mounting box body 2. The limiting plate 14 is fixed by screwing with a screw through the first screw holes 15. A filter installation cavity 16 is opened on the right side of the filter installation box body 9. Buffer springs 17 are symmetrically connected to the front and rear side walls inside the filter installation cavity 16. The buffer springs 17 can perform buffer compensation and stabilization on the front-end filter. Fixed mounting plates 18 are fixedly connected to the opposite sides of the front and rear buffer springs 17. The fixed mounting plates 18 fix and limit the front-end filter through the buffer springs 17. The upper and lower sides of the fixed mounting plates 18 are slidably connected to the upper and lower side walls inside the filter installation cavity 16. Fixing plates 19 are fixedly connected to the front and rear sides of the suspension 1. Second screw holes 20 are provided through the upper and lower sides of the fixing plates 19 for fixing the device.

[0025] Working principle: When this device is in use, install the pre-filter inside the filter installation box body 9. Then, insert the first plug 10 on the outside of the filter installation box body 9 into the mounting box body 2 along the first slot 8 inside the installation cavity 6. At this time, the annular hole 11 on the left side of the filter installation box body 9 is sleeved on the outside of the air duct 7, and the right end of the air duct 7 is attached to the left side of the pre-filter. Then, start the negative pressure fan 5 to discharge the heat generated by the device. Next, insert the sealing plug board 12 into the jack, so that the lower side of the sealing plug board 12 is inserted into the inside of the second slot 13. Then, screw and fix the limiting plate 14 through the first screw hole 15 to seal the filter installation box body 9 with the sealing plug board 12. Then, start the motor 3, and the output end of the motor 3 can drive the mounting box body 2 to rotate, so as to adjust the angle of the device and facilitate signal reception.

[0026] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-filter mounting device, comprising a suspension (1), characterized in that: The front and rear side walls inside the suspension (1) are rotatably connected to a mounting box body (2); a motor (3) is fixedly installed on the front side of the suspension (1); an output end of the motor (3) is fixedly connected to the front side of the mounting box body (2); a protective cover (4) is fixedly connected to the front side of the mounting box body (2); the motor (3) is located on the inner side of the protective cover (4); a negative pressure fan (5) is embedded on the left side of the mounting box body (2); and a mounting cavity is opened on the right side of the mounting box body (2). (6), an air duct (7) is embedded in the left side wall inside the installation cavity (6), and first slots (8) are opened in the upper, lower, front and rear four side walls inside the installation cavity (6). A filter installation box body (9) is movably arranged inside the installation cavity (6), and a first plug block (10) is fixedly arranged on the outer side wall of the filter installation box body (9), and the first plug block (10) corresponds to the first slot (8), and the filter installation box body (9) is plugged into the mounting box body (2).

2. A pre-filter mounting device according to claim 1, characterized in that: The right side of the negative pressure fan (5) is in contact with the left end of the air duct (7), and the left side of the filter installation box (9) is provided with a ring hole (11), and the ring hole (11) is sleeved on the outside of the air duct (7).

3. A pre-filter mounting device according to claim 1, characterized in that: The mounting box body (2) is provided with a plug hole on the upper side, a sealing plug plate (12) is movably provided inside the plug hole, a second slot (13) is provided at the bottom inside the mounting cavity (6), the lower end of the sealing plug plate (12) is plugged into the second slot (13), and the left side of the sealing plug plate (12) is fitted with the right side of the filter mounting box body (9).

4. A pre-filter mounting device according to claim 3, characterized in that: The upper side of the sealing plug plate (12) is fixedly connected to a limiting plate (14), and the limiting plate (14) and the upper side of the mounting box body (2) are both penetrated by first screw holes (15) corresponding to each other.

5. A pre-filter mounting device according to claim 1, characterized in that: A filter installation cavity (16) is provided on the right side of the filter installation box body (9); the front and rear side walls inside the filter installation cavity (16) are symmetrically connected with buffer springs (17); the opposite sides of the buffer springs (17) on the front and rear sides are fixedly connected with fixed installation plates (18); the upper and lower sides of the fixed installation plates (18) are slidably connected with the upper and lower side walls inside the filter installation cavity (16).

6. A pre-filter mounting device according to claim 1, characterized in that: The front and rear sides of the suspension (1) are both fixedly connected with fixing plates (19), and the upper and lower sides of the fixing plates (19) are penetrated by second screw holes (20).

Images