CN220064591U - Projector with low noise - Google Patents

Abstract

The utility model discloses a projector with low noise, which comprises a shell, wherein the inside of the shell is connected with a fixed frame in a sliding way, the outside of the fixed frame is fixedly connected with a mounting plate, the outside of the shell is symmetrically and fixedly connected with a clamping block, the inside of the mounting plate is symmetrically and slidingly connected with a pushing block, and the inside of the pushing block is provided with a clamping groove matched with the clamping block for use, so that the projector has the beneficial effects that: noise generated in the working process of the cooling fan can be blocked, the noise reduction effect of the equipment is effectively enhanced, and the use effect of the equipment is improved; can promote the mounting panel and make the fixture block get into the inside of ejector pad and install, proper ejector pad extrusion extension spring when disassembling, the pulling mounting panel drives the fixed frame and shifts out from the inside of casing, and radiator fan's assembly is dismantled and is need not appurtenance, and the installation is dismantled simply easy, has improved the practicality of device.

Description

A projector with low noise

Technical field

The utility model relates to the technical field of projectors, specifically a projector with low noise.

Background technique

When the projector is working, most of the unused light energy in the internal light source often turns into heat, which increases the internal temperature of the device. Excessive temperature can easily cause damage to the circuits inside the device and affect the normal operation of the device. , therefore, the inside of the projector must be cooled. In this case, a fan is usually used to cool the inside of the projector. The existing utility model patent with application number: CN201822256208.6 discloses a noise-reducing micro-projector, which includes a fixed inner shell, a sound-absorbing filling layer, and a protective outer shell. A button is provided above the protective outer shell... It can also absorb the noise generated during the cooling fan process through the sound-absorbing filling layer, sound-absorbing frame, first sound-absorbing net and second sound-absorbing net, effectively enhancing the noise reduction effect of the equipment and improving the use effect of the equipment. The cooling fan inside the device in the above-mentioned patent is used to dissipate heat from the circuit module. Since the heat exchange is mainly through the air medium as a carrier, and the natural air environment contains a large number of dust particles, the cooling fan needs to be disassembled after a period of use. Cleaning, the existing assembly method requires the use of tools such as screwdrivers, and its installation and disassembly operations are cumbersome, which reduces the practicality of the device. Therefore, a projector with low noise is provided to solve the above problems.

Utility model content

The purpose of this utility model is to provide a projector with low noise to solve the problem in the above background technology that the cooling fan inside the device is used to dissipate heat of the circuit module. Since the heat exchange is mainly through the air medium as the carrier, and natural air There are a lot of dust particles in the environment. After a period of use, the cooling fan needs to be disassembled and cleaned. The existing assembly method requires the use of screwdrivers and other tools. The installation and disassembly operation is cumbersome and reduces the practicality of the device.

In order to solve the above technical problems, the present utility model provides the following technical solutions:

The utility model provides a low-noise projector, which includes a housing. A fixed frame is slidably connected to the inside of the housing. A mounting plate is fixedly connected to the outside of the fixed frame. The outside of the housing is symmetrically and fixedly connected to The inside of the mounting plate is symmetrically and slidingly connected with the clamping block, and the inside of the pushing block is provided with a slot for use with the clamping block.

As a preferred solution of the present invention, a chute is symmetrically provided inside the mounting plate, a telescopic spring is fixedly connected to the inside of the chute, and the telescopic spring is fixedly connected to the push block.

As a preferred solution of the present invention, a second soundproof net is symmetrically and fixedly connected to the inside of the housing, and a first soundproof net is fixedly connected to the inside of the fixed frame.

As a preferred solution of the present invention, a first filter screen is symmetrically and fixedly connected to the inside of the housing, and a second filter screen is fixedly connected to the inside of the fixed frame.

As a preferred solution of the present invention, a cooling fan is fixedly connected to the inside of the fixed frame.

As a preferred solution of the present invention, a projection lens is fixedly connected to the inside of the housing, and rubber feet are fixedly connected to the bottom of the housing at equal intervals.

The beneficial effects achieved by the utility model are: through the arrangement of the first sound insulation net and the second sound insulation net, the noise generated by the cooling fan during the working process can be blocked, effectively enhancing the noise reduction effect of the equipment and improving the use effect of the equipment. ; Through the arrangement of the fixed frame, the mounting plate and the clamping block, the installation plate can be pushed so that the clamping block enters the inside of the pushing block for installation. During disassembly, the pushing block properly squeezes the telescopic spring, and the mounting plate is pulled to drive the fixed frame from the housing. The interior is removed and the cooling fan can be assembled and disassembled without auxiliary tools. The installation and disassembly are simple and easy, which improves the practicality of the device.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation of the present utility model. In the attached picture:

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the internal structure of the utility model;

Figure 3 is a side view of the utility model;

Figure 4 is an enlarged structural diagram of point A.

In the picture: 1. Housing; 2. First filter; 3. Second filter; 4. Cooling fan; 5. Mounting plate; 6. First sound insulation net; 7. Fixed frame; 8. Second sound insulation net. ; 9. Push block; 10. Clamp block; 11. Chute; 12. Card slot; 13. Telescopic spring; 14. Projection lens; 15. Rubber feet.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1 to 4. The present utility model provides a projector with low noise, including a housing 1. A fixed frame 7 is slidably connected to the inside of the housing 1. The cooling fan 4 works to dissipate the heat in the device out of the housing. Outside the body 1, the second soundproof net 8 and the first soundproof net 6 can block the noise generated by the cooling fan 4 during the working process, prevent the noise from spreading to the outside of the housing 1, and effectively reduce the noise impact generated during the working process of the projector. The first filter screen 2 and the second filter screen 3 can prevent impurities in the external environment from entering the interior of the housing 1. A mounting plate 5 is fixedly connected to the outside of the fixed frame 7, and a clamping block 10 is symmetrically fixed to the outside of the housing 1. Installation A push block 9 is symmetrically and slidingly connected to the inside of the plate 5. A slot 12 is provided inside the push block 9 for use with the clamp block 10. When the cooling fan 4 needs to be disassembled, push the push block 9 to squeeze the telescopic spring 13, and then pull the push block 9 to squeeze the telescopic spring 13. The mounting plate 5 removes the clamping block 10 from the inside of the slot 12, thereby driving the fixing frame 7 to move out from the inside of the housing 1, and cleans the cooling fan 4. When it is necessary to install the cooling fan 4, press the mounting plate 5. The clamping block 10 presses the pushing block 9 into the inside of the slot 12, and the pushing block 9 returns to its original position under the elastic force of the telescopic spring 13, so that the housing 1 and the mounting plate 5 are connected, so that the assembly and disassembly of the cooling fan 4 does not need to be Auxiliary tools make installation and disassembly simple and easy, improving the practicality of the device.

Furthermore, a chute 11 is symmetrically provided inside the mounting plate 5, and a telescopic spring 13 is fixedly connected to the inside of the chute 11. The telescopic spring 13 is fixedly connected to the push block 9, and the mounting plate 5 is pressed to cause the clamping block 10 to squeeze the push block. 9 enters the inside of the card slot 12, and the push block 9 returns to its original position under the elastic force of the telescopic spring 13, so that the housing 1 and the mounting plate 5 are connected.

Further, a second sound insulation net 8 is symmetrically and fixedly connected to the interior of the housing 1, and a first sound insulation net 6 is fixedly connected to the interior of the fixed frame 7. The second sound insulation net 8 and the first sound insulation net 6 can block the operation of the cooling fan 4. The noise generated during the process is prevented from spreading to the outside of the housing 1, which effectively reduces the impact of noise generated during the working process of the projector.

Furthermore, the first filter screen 2 is symmetrically and fixedly connected to the interior of the housing 1, and the second filter screen 3 is fixedly connected to the interior of the fixed frame 7. The first filter screen 2 and the second filter screen 3 can block impurities in the external environment. Enter the inside of housing 1.

Furthermore, a cooling fan 4 is fixedly connected to the inside of the fixed frame 7 . The cooling fan 4 works to dissipate the heat in the device out of the housing 1 .

Further, the projection lens 14 is fixedly connected to the inside of the housing 1, and the rubber feet 15 are fixedly connected to the bottom of the housing 1 at equal intervals. The rubber feet 15 are used to support the equipment, and also have the characteristics of anti-skid, wear-resistant, and shock absorption. .

When using the utility model, the cooling fan 4 works to dissipate the heat in the device out of the casing 1. The second sound insulation net 8 and the first sound insulation net 6 can block the noise generated by the cooling fan 4 during the working process and prevent the noise from spreading to The outside of the casing 1 effectively reduces the impact of noise generated during the operation of the projector. The first filter 2 and the second filter 3 can block impurities in the external environment from entering the inside of the casing 1. When the cooling fan 4 needs to be disassembled , push the push block 9 to squeeze the telescopic spring 13, pull the mounting plate 5 to move the clamping block 10 out of the inside of the slot 12, thereby driving the fixing frame 7 out of the inside of the housing 1, and clean the cooling fan 4, which needs to be When installing the cooling fan 4, press the mounting plate 5 so that the clamping block 10 squeezes the pushing block 9 into the inside of the slot 12. The pushing block 9 returns to its original position under the elastic force of the telescopic spring 13, so that the housing 1 and the mounting plate 5 is connected, so that no auxiliary tools are required for the assembly and disassembly of the cooling fan 4, the installation and disassembly is simple and easy, and the practicality of the device is improved.

In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientations or positional relationships indicated by "top", "inner", "front", "center", "both ends", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model 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 cannot be construed as a limitation of the present invention.

Furthermore, the terms “first”, “second”, “third” and “fourth” are used for descriptive purposes only and shall not be understood as indicating or implying the relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined as "first", "second", "third", and "fourth" may explicitly or implicitly include at least one of these features.

In this utility model, unless otherwise expressly stipulated and limited, the terms "installation", "setting", "connection", "fixing", "rotating" and other terms should be understood in a broad sense. For example, it can be a fixed connection, It can also be detachably connected, or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction of two elements relationship, unless otherwise explicitly limited, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. Projector with low noise, comprising a housing (1), characterized in that: the novel portable electronic device is characterized in that a fixed frame (7) is connected to the inside of the shell (1) in a sliding mode, a mounting plate (5) is fixedly connected to the outer side of the fixed frame (7), clamping blocks (10) are symmetrically and fixedly connected to the outer side of the shell (1), a pushing block (9) is symmetrically and slidingly connected to the inside of the mounting plate (5), and a clamping groove (12) matched with the clamping blocks (10) is formed in the pushing block (9).

2. A projector with low noise according to claim 1, characterized in that: the inside symmetry of mounting panel (5) has seted up spout (11), the inside fixedly connected with extension spring (13) of spout (11), extension spring (13) and ejector pad (9) fixed connection.

3. A projector with low noise according to claim 1, characterized in that: the inside symmetry of casing (1) is fixedly connected with second sound insulation net (8), the inside fixedly connected with first sound insulation net (6) of fixed frame (7).

4. A projector with low noise according to claim 1, characterized in that: the inside symmetry of casing (1) is fixedly connected with first filter screen (2), the inside fixedly connected with second filter screen (3) of fixed frame (7).

5. A projector with low noise according to claim 1, characterized in that: and the inside of the fixed frame (7) is fixedly connected with a cooling fan (4).

6. A projector with low noise according to claim 1, characterized in that: the inside fixedly connected with projection lens (14) of casing (1), the bottom equidistance fixedly connected with rubber stabilizer blade (15) of casing (1).