CN220933333U

CN220933333U - Shell convenient for heat dissipation for projector

Info

Publication number: CN220933333U
Application number: CN202322761823.3U
Authority: CN
Inventors: 闫兵; 刘建华
Original assignee: Avanza Corp
Current assignee: Avanza Corp
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-10
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses a shell convenient for heat dissipation of a projector, which comprises a shell body, wherein heat dissipation mechanisms are arranged on the front side and the rear side of the shell body and inside the shell body, a dustproof mechanism is arranged on the inner sides of the shell body and the heat dissipation mechanisms, the dustproof mechanism comprises a fixing frame fixedly arranged in the middle of the front side of the shell body, a sliding groove is formed in the inner part of the fixing frame close to the front side, a fixing frame is fixedly arranged at the lower end of the fixing frame, and two groups of circular rail cylinders are fixedly arranged on the fixing frame and the inner side of the fixing frame. The utility model relates to a shell convenient for heat dissipation for a projector, which is characterized in that a heat conducting fin arranged on the inner side of a shell body absorbs heat in an internal high-temperature environment and is transmitted to the outer side to contact with external air, wherein a heat dissipation fan is started to be used, air with low external temperature is blown into the inner side of the shell body to cool the shell body, and a guide plate is matched to drive a movable rod to move back and forth to control the entering wind direction.

Description

Shell convenient for heat dissipation for projector

Technical Field

The utility model relates to the technical field of projector shells, in particular to a shell convenient for heat dissipation for a projector.

Background

A projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and playing corresponding video signals by connecting different interfaces with a computer, VCD, DVD, BD, a game machine, a DV and the like. Projectors are widely used in homes, offices, schools, and recreational areas, and are of different types such as CRT, LCD, DLP, 3LCD, etc. according to the mode of operation. At present, after a projector on the market continuously works for a long time, a large amount of heat is emitted by internal components, the projector traditionally dissipates heat through a fan, and the fan is usually fixedly installed, so that the blown air direction is fixed, other components which are not arranged on an air duct cannot be well taken care of, and the heat dissipation effect is uneven; in addition, a large amount of dust is easily brought into the equipment through the use of the fan, so that the use of the equipment is affected.

Disclosure of utility model

The utility model mainly aims to provide a shell which is used for a projector and is convenient for heat dissipation, and the problem in the background technology can be effectively solved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a projector is with being convenient for radiating shell, includes the shell body, the front and back side and the inside of shell body are provided with heat dissipation mechanism, the inboard of shell body and heat dissipation mechanism is provided with dustproof mechanism, dustproof mechanism is including the fixed mount of fixed setting in shell body front side intermediate position, the spout has been seted up to the inside front side that is close to of mount, the lower extreme of mount is fixed and is provided with the fixed frame, fixed frame and the inboard fixed two sets of circular rail section of thick bamboo that are provided with of mount, two sets of the inside of circular rail section of thick bamboo is all slided and is provided with the stopper, two sets of the inside bottom of circular rail section of thick bamboo is all fixed and is provided with first reset spring between the stopper lower extreme, the inboard activity of spout is provided with the filter screen, the draw-in groove has been seted up near the upside position to the rear end of filter screen, the inboard of mount is close to top fixedly connected with fixed block, the inboard front side activity that is close to the fixed block is provided with the fastener, fixedly connected with second reset spring between fixed block and the fastener.

Preferably, the front side of the fixing frame is provided with a movable opening corresponding to the position of the limiting block, the limiting block is movably arranged on the inner side of the first reset spring, and the protruding part of the limiting block is positioned at the lower side of the filter screen.

Preferably, the first return spring is in a compressed state, the filter screen is matched with the chute, and the lower side of the clamping piece is matched with the clamping groove.

Preferably, the heat dissipation mechanism comprises two groups of heat conducting fins fixedly arranged on the front side and the rear side of the shell body, a heat dissipation fan is fixedly arranged on the inner side of the fixing frame, a plurality of groups of guide plates are movably arranged on the rear side of the fixing frame, an electric push rod is fixedly arranged on the inner side bottom of the shell body, one end of a telescopic rod of the electric push rod is fixedly connected with a movable rod, a plurality of groups of guide plates are fixedly arranged on the front side of the guide plate, round blocks are fixedly arranged on the front side of the guide plate, limit grooves are formed in the positions, close to the round blocks, of the movable rod, and a dustproof window is fixedly arranged on one side of the shell body.

Preferably, one of the front sides of the two groups of heat conducting fins is fixedly arranged on two sides of the fixing frame.

Preferably, the movable block is in threaded connection with the threaded rod, the movable rod is limited and movable on the inner side of the sleeve, and the threaded rod is fixedly connected with the rotating shaft of the second motor.

Compared with the prior art, the utility model has the following beneficial effects:

1. The heat conducting fin is arranged on the inner side of the shell body and absorbs heat to the internal high-temperature environment, then the heat conducting fin is transferred to the outer side to contact with external air for cooling, the heat radiating fan is started to be used, air with low external temperature is blown into the shell body for cooling the shell body, the movable rod is driven by the guide plate to move back and forth, the entering wind direction is controlled, and the blowing range of the wind direction is changed.

2. The upper side position of the buckling clamping piece rotates, the second reset spring is compressed, the lower side position is separated from the clamping groove, the limit to the clamping groove is relieved, the clamping groove is jacked up upwards by the first reset spring in a compressed state along the sliding groove, the filter screen is ejected out, and the filter screen is conveniently taken out for cleaning or replacement when being detached.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a housing for a projector to facilitate heat dissipation according to the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a housing for a projector for facilitating heat dissipation according to the present utility model;

FIG. 3 is a schematic diagram showing a partial cross-sectional structure of a dustproof mechanism of a housing for a projector, which is convenient for heat dissipation;

fig. 4 is a schematic diagram showing a partially cut-away structure of a dustproof mechanism of a housing for a projector, which is convenient for heat dissipation.

In the figure: 1. a housing body; 2. a heat dissipation mechanism; 21. a heat conductive sheet; 22. a heat dissipation fan; 23. a deflector; 24. an electric push rod; 25. a movable rod; 26. round blocks; 27. a limit groove; 28. a dust-proof window; 3. a dust-proof mechanism; 31. a fixing frame; 32. a chute; 33. a fixed frame; 34. a circular rail cylinder; 35. a limiting block; 36. a first return spring; 37. a filter screen; 38. a clamping groove; 39. a fixed block; 310. a clamping piece; 311. and a second return spring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a housing for a projector, which is convenient for heat dissipation, comprises a housing body 1, the front side and the rear side of the housing body 1 and the inside are provided with a heat dissipation mechanism 2, the inner sides of the housing body 1 and the heat dissipation mechanism 2 are provided with a dustproof mechanism 3, the dustproof mechanism 3 comprises a fixing frame 31 fixedly arranged at the middle position of the front side of the housing body 1, a chute 32 is arranged inside the fixing frame 31 near the front side, the lower end of the fixing frame 31 is fixedly provided with a fixing frame 33, the inner sides of the fixing frame 33 and the fixing frame 31 are fixedly provided with two groups of circular rail drums 34, the inner sides of the two groups of circular rail drums 34 are respectively provided with a limiting block 35 in a sliding manner, a first reset spring 36 is fixedly arranged between the inner bottoms of the two groups of circular rail drums 34 and the lower ends of the limiting blocks 35, a filter screen 37 is movably arranged inside the chute 32, the rear end of the filter screen 37 is near the upper side, a clamping groove 38 is fixedly connected with a fixing block 39 near the upper side of the inner side of the fixing frame 31, a clamping piece 310 is movably arranged near the front side of the fixing block 39, and a second reset spring 311 is fixedly connected between the fixing block 39 and the clamping piece 310.

In this embodiment, a movable opening is formed at the front side of the fixing frame 31 corresponding to the position of the limiting block 35, the limiting block 35 is movably disposed at the inner side of the first return spring 36, the protruding portion of the limiting block 35 is located at the lower side of the filter screen 37, the first return spring 36 is in a compressed state, the filter screen 37 is adapted to the chute 32, and the lower side of the clamping piece 310 is adapted to the clamping slot 38.

Specifically, through the use of the filter screen 37, dust filtration is performed on the entering air, and the filter screen 37 is ejected out after a period of use, the upper side position of the buckling clamp 310 rotates, the second return spring 311 is compressed, the lower side position leaves the clamping groove 38, the restriction on the clamping groove 38 is released, at this time, the clamping groove 38 is lifted up by the first return spring 36 in a compressed state along the chute 32, the filter screen 37 is ejected out, and the filter screen is conveniently taken out for cleaning or replacement during disassembly.

In this embodiment, the heat dissipation mechanism 2 includes two sets of heat conducting strips 21 fixedly arranged on the front side and the rear side of the housing body 1, the heat dissipation fan 22 is fixedly arranged on the inner side of the fixing frame 31, a plurality of sets of guide plates 23 are movably arranged on the rear side of the fixing frame 31, the electric push rod 24 is fixedly arranged on the inner side bottom of the housing body 1, one end of a telescopic rod of the electric push rod 24 is fixedly connected with the movable rod 25, round blocks 26 are fixedly arranged on the front side of the plurality of sets of guide plates 23 close to the lower end, limit grooves 27 are formed in the positions of the inner side of the movable rod 25 close to the plurality of sets of round blocks 26, dust-proof windows 28 are fixedly arranged on one side of the housing body 1, one set of front sides of the two sets of heat conducting strips 21 are fixedly arranged on two sides of the fixing frame 31, the plurality of guide plates 23 are uniformly arranged, and the round blocks 26 are located on the inner side of the limit grooves 27.

Specifically, when the projector is used for a long time, the working components and parts can dissipate a large amount of heat, so that the inside is easy to become a high-temperature environment, the heat conducting fin 21 arranged on the inner side of the shell body 1 absorbs heat to absorb heat to the inside high-temperature environment and then is transferred to the outside to contact with the outside air for cooling, the heat radiating fan 22 is started to cool the inside of the shell body 1 by blowing air with low outside temperature into the inside of the shell body, the movable rod 25 is driven to move back and forth by the cooperation of the guide plate 23, the entering wind direction is controlled, the blowing range of the wind direction is changed, the internal heat radiating efficiency is improved, and the service life of the air-conditioner is prolonged.

Working principle:

When the projector is used for a long time, the working components and parts can dissipate a large amount of heat, so that the inside of the projector is easy to become a high-temperature environment, the heat conducting fin 21 arranged on the inner side of the shell body 1 absorbs heat to the high-temperature environment in the inside and then is transferred to the outside to contact with the outside air, the temperature of the outside air is lowered, the heat radiating fan 22 is started, the air with low outside temperature is blown into the shell body 1 to cool the inside, the movable rod 25 is driven to move back and forth by the guide plate 23, the entering wind direction is controlled, the blowing range of the wind direction is changed, the internal heat radiating efficiency is improved, the service life of the projector is prolonged, in addition, the use of the filter screen 37 is realized, the dust filtration is carried out on the entering air, the projector is used for a while, the upper side of the projector can be buckled with the clamp piece 310 to rotate, the second reset spring 311 is compressed, the lower side of the projector leaves the clamp groove 38, the limit of the clamp groove 38 is relieved, the first reset spring 36 in the compressed state blows the limit block 35 and the filter screen 37 upwards along the chute 32, the filter screen 37 is lifted upwards, and the cleaner is taken out when the projector is convenient to detach.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shell that projector was used and is convenient for dispel heat, includes shell body (1), its characterized in that: the novel anti-dust device is characterized in that the front side and the rear side of the shell body (1) and the inside of the shell body are provided with the radiating mechanism (2), the inner sides of the shell body (1) and the radiating mechanism (2) are provided with the dustproof mechanism (3), the dustproof mechanism (3) comprises a fixing frame (31) fixedly arranged at the middle position of the front side of the shell body (1), a chute (32) is formed in the inner side of the fixing frame (31) and close to the front side, a fixed frame (33) is fixedly arranged at the lower end of the fixing frame (31), two groups of circular rail drums (34) are fixedly arranged on the inner sides of the fixed frame (33) and the fixing frame (31), limiting blocks (35) are respectively arranged in the two groups of circular rail drums (34) in a sliding mode, a first reset spring (36) is fixedly arranged between the inner bottom of each circular rail drum (34) and the lower end of each limiting block (35), a filter screen (37) is movably arranged on the inner side of the chute (32), a clamping groove (38) is formed in the rear end of each filter screen (37) and is close to the upper side position, a fixed block (39) is fixedly connected to the inner side of the fixing frame (31), a fixed block (39) is fixedly connected to the inner side of the fixing block (31), and a reset piece (310) is fixedly arranged between the fixed block (39) and the movable block (310).

2. The enclosure for a projector according to claim 1, wherein: the front side of the fixing frame (31) is provided with a movable opening corresponding to the position of the limiting block (35), the limiting block (35) is movably arranged on the inner side of the first reset spring (36), and the protruding part of the limiting block (35) is positioned at the lower side of the filter screen (37).

3. The enclosure for a projector according to claim 1, wherein: the first return spring (36) is in a compressed state, the filter screen (37) is matched with the chute (32), and the lower side of the clamping piece (310) is matched with the clamping groove (38).

4. The enclosure for a projector according to claim 1, wherein: the heat dissipation mechanism (2) comprises two groups of heat conducting fins (21) fixedly arranged on the front side and the rear side of the shell body (1), a heat dissipation fan (22) is fixedly arranged on the inner side of a fixing frame (31), a plurality of groups of guide plates (23) are movably arranged on the rear side of the fixing frame (31), an electric push rod (24) is fixedly arranged on the inner side bottom of the shell body (1), a movable rod (25) is fixedly connected with one end of the telescopic rod of the electric push rod (24), round blocks (26) are fixedly arranged on the front side of the guide plates (23) close to the lower end of the telescopic rod, limiting grooves (27) are formed in the positions, close to the round blocks (26), of the movable rod (25), and dustproof windows (28) are fixedly arranged on one side of the shell body (1).

5. The enclosure for a projector according to claim 4, wherein: the front sides of the two groups of heat conducting fins (21) are fixedly arranged on two sides of the fixing frame (31).

6. The enclosure for a projector according to claim 4, wherein: the guide plates (23) are uniformly arranged in a plurality of groups, and the round blocks (26) are positioned at the inner side of the limiting groove (27).