CN217386110U - Shell assembly and projection device - Google Patents

Abstract

The application discloses casing subassembly and projection arrangement. The casing subassembly is applied to projection arrangement, and the casing subassembly includes: the storehouse body, the apron, the locking structure with prevent tearing open the structure, the apron lid is located the opening end of the storehouse body to enclose and establish and form the holding chamber, one in the opening end of the apron and the storehouse body is equipped with the pothook, another is equipped with the draw-in groove, the apron cooperates through pothook and draw-in groove joint with the storehouse body, the locking structure with prevent tearing open one in the structure and locate the apron towards the surface of storehouse body one side, on the storehouse body was located to another, prevent tearing open the structure and be used for butt locking structure, with the locking storehouse body and apron. In this way, the apron utilizes pothook and draw-in groove and storehouse body joint cooperation to be located the apron on the storehouse body, and through the locking structure with prevent tearing open the structure with the apron be fixed in the storehouse body on, its overall structure is simple, and easy dismounting.

Description

Shell assembly and projection device

Technical Field

The present application relates to the field of projection devices, and more particularly, to a housing assembly and a projection apparatus.

Background

The Security Processing Block (SPB) of the film projector is a core part of the film projector and is a main carrier for anti-theft and authorization of film sources. In DCI (Digital rights Identifier) authentication, it is required that a security processing module is protected from being detached and damaged mechanically and physically, and that key components such as an internal control device, a PCBA (Printed Circuit Board + Assembly) that transmits signals, and cables cannot be detected or observed from the outside. The film projector security processing module must be unlocked by a tamper-proof lock and forcibly stops the projection of the projector after being unlocked.

The inventor of the present application has found in long-term development that the existing casing is generally installed inside the projector as a special structural module, and the overall shape of the product needs to be represented by a series of appearance pieces added to the outside of the protection device. Although the existing design scheme can meet the requirement of DCI authentication, the disassembly and assembly of the shell structure are complex.

SUMMERY OF THE UTILITY MODEL

The application mainly aims to provide a shell assembly applied to a projection device, and aims to solve the technical problem that a shell structure in the prior art is complex to disassemble and assemble.

In order to solve the above problem, the present application provides a housing assembly for a projection apparatus, the housing assembly comprising: the storehouse body, apron, locking structure and prevent tearing open the structure, the apron lid is located the opening end of the storehouse body to enclose and establish and form the holding chamber, the apron with one in the opening end of the storehouse body is equipped with the pothook, and another is equipped with the draw-in groove, the apron with the storehouse body passes through the pothook with the cooperation of draw-in groove joint, the locking structure with prevent tearing open one in the structure and locate the apron orientation the surface of storehouse body one side, another is located on the storehouse body, prevent tearing open the structure and be used for the butt the locking structure, with the locking the storehouse body with the apron.

In order to solve the above problem, the present application provides a projection apparatus, which includes an engine module and the above housing assembly, wherein the engine module is disposed in the housing assembly.

Compared with the prior art, the shell subassembly of this application is applied to projection arrangement to include: the storehouse body, the apron, the locking structure with prevent tearing open the structure, the apron lid is located the opening end of the storehouse body to enclose and establish and form the holding chamber, one in the opening end of the apron and the storehouse body is equipped with the pothook, another is equipped with the draw-in groove, the apron cooperates through pothook and draw-in groove joint with the storehouse body, the locking structure with prevent tearing open one in the structure and locate the apron towards the surface of storehouse body one side, on the storehouse body was located to another, prevent tearing open the structure and be used for butt locking structure, with the locking storehouse body and apron. In this way, the apron utilizes pothook and draw-in groove and storehouse body joint cooperation to be located the apron on the storehouse body, and through the locking structure with prevent tearing open the structure with the apron be fixed in the storehouse body on, its overall structure is simple, and easy dismounting.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a projection apparatus provided in the present application;

FIG. 2 is a schematic structural diagram of an embodiment of a projection apparatus provided in the present application with a cover plate removed;

FIG. 3 is a schematic structural diagram of an embodiment of a cover plate provided herein;

FIG. 4 is an enlarged schematic view of one embodiment of FIG. 3 within dashed line area A;

FIG. 5 is a schematic structural view of an embodiment of a tamper-evident structure provided herein;

FIG. 6 is an exploded view of an embodiment of the projection device shown in FIG. 1;

FIG. 7 is a partial schematic view of an embodiment of the left side panel and the bottom panel after attachment;

FIG. 8 is an enlarged partial schematic view of an embodiment of the left side plate and left side support coupled.

Reference numerals: a projection device 1; a housing assembly 2; an engine module 3; an accommodating cavity 4; a bin body 10; a body 101; a stopper plate 102; a rear side plate 11; a right side plate 12; a left side plate 13; a front side plate 14; a bottom plate 15; a first connecting structure 131; a positioning block 132; a positioning groove 133; a second connecting structure 151; a left side support 16; positioning pins 161; a right side support 17; a cover plate 20; a main board body 201; a sub-board body 202; a hook 21; a connecting portion 211; a stopper portion 212; a fixed portion 213; a card slot 30; a tamper-evident structure 40; a tamper-proof main body portion 41; a butting portion 42; a locking structure 50; a first locking portion 51; a second lock portion 52; the third locking portion 53.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indicators in the embodiments of the present application (such as up, down, first, second, front, and rear … …) are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of an embodiment of a projection apparatus provided in the present application; fig. 2 is a schematic structural diagram of an embodiment of the projection apparatus provided in the present application with a cover plate removed, and fig. 3 is a schematic structural diagram of an embodiment of the cover plate provided in the present application.

The application provides a projection device 1, including engine module 3 and housing assembly 2, engine module 3 sets up in housing assembly 2. The engine module 3 and the housing assembly 2 can be mounted inside the projector as a dedicated structural module, the housing assembly 2 being used to protect the engine module 3. However, although the solution of the housing in the prior art can satisfy the requirements related to the use of the product, the assembly and disassembly of the housing assembly are complicated.

The application provides a housing assembly 2 includes the storehouse body 10, the apron 20, locking structure 50 and prevent tearing open structure 40, the apron 20 lid is located the open end of the storehouse body 10, and enclose and establish and form holding chamber 4, one in the open end of the apron 20 and the storehouse body 10 is equipped with pothook 21, another is equipped with draw-in groove 30, apron 20 passes through pothook 21 and draw-in groove 30 joint cooperation with the storehouse body 10, locking structure 50 and prevent tearing open structure 40 one locate apron 20 towards the surface of storehouse body 10 one side, another locates on the storehouse body 10, prevent tearing open structure 40 and be used for butt locking structure 50, with the locking storehouse body 10 and apron 20.

The cartridge body 10 may be of a unitary construction or may be formed from a plurality of panels that are joined together. The cartridge body 10 can be divided into a bottom wall and side walls by which the cartridge body 10 is enclosed with an opening. The shape of the cartridge body 10 can be set as desired, and, for example, the cartridge body 10 can be a hollow cylinder, a hollow polygonal prism, or other hollow structure. The cover plate 20 covers the open end of the bin body 10, and surrounds the bin body 10 to form the accommodating cavity 4, and the accommodating cavity 4 can be sealed by the cover plate 20 to protect the engine module 3 in the accommodating cavity 4.

The shape of apron 20 can be similar with the shape of the open end of the storehouse body 10, and apron 20 lid is established and is being able to seal the storehouse body 10 at the open end of the storehouse body 10 to the protection is located the engine module 3 in the storehouse body 10.

Through the above mode, apron 20 utilizes pothook 21 and draw-in groove 30 and the cooperation of storehouse body 10 joint to be located apron 20 on the storehouse body 10, and be fixed in on the storehouse body 10 apron 20 through locking structure 50 and anti-dismounting structure 40, its overall structure is simple, and easy dismounting.

The locking groove 30 can be disposed on the cover plate 20, and the hook 21 is disposed on the bin body 10. Alternatively, the locking slot 30 may be disposed on the bin 10, and the hook 21 may be disposed on the cover 20.

Specifically, in the present embodiment, the card slot 30 is mainly disposed on the bin 10, and the hook 21 is disposed on the cover 20. The bin body 10 comprises a body 101 and a stop plate 102, the stop plate 102 is located at the open end of the bin body 10 and is connected with the body 101, the stop plate 102 extends towards the accommodating cavity 4 in a bending way relative to the body 101, and the clamping groove 30 is arranged on the stop plate 102.

The backstop board can be parallel with the bottom of the storehouse body 10, for directly set up draw-in groove 30 on the lateral wall of the storehouse body 10, this scheme can all locate holding intracavity 4 with pothook 21 and draw-in groove 30 to make casing assembly 2 only can utilize locking structure 50 earlier and prevent that the locking state of tearing open structure 40 removing apron 20 and storehouse body 10 later can dismantle apron 20 and storehouse body 10, can improve projection arrangement 1's protection mechanism. The stopper plate 102 may be disposed along the circumferential direction of the bin body 10, the locking slots 30 may be through holes to provide a space into which the locking hooks 21 extend, the locking slots 30 and the locking hooks 21 may be disposed at intervals, and the locking hooks 21 and the locking slots 30 are in a one-to-one correspondence relationship, so that each locking hook 21 has a corresponding locking slot 30 to be in locking engagement with the locking slot 30.

Referring to fig. 1-4, fig. 4 is an enlarged schematic view of an embodiment in dashed area a of fig. 3.

In an embodiment, the hook 21 includes a connection portion 211 connected to the cover plate 20 in a bent manner, and a position-limiting portion 212 connected to the connection portion 211 in a bent manner, the connection portion 211 enables the position-limiting portion 212 and the cover plate 20 to be arranged at an interval, and the position-limiting portion 212 extends into one side of the stop plate 102 away from the cover plate 20 through the slot 30, so that the hook 21 is engaged with the slot 30.

In one embodiment, the housing assembly 2 further includes a fixing portion 213 connected to the connecting portion 211, and the hook 21 is connected to the cover plate 20 through the fixing portion 213. The fixing portion 213 may be detachably connected to the cover plate 20 by a bolt, or the fixing portion 213 may be integrally connected to the cover plate 20 by welding or the like. One fixing portion 213 can be provided with a plurality of hooks 21 at the same time, that is, the hooks 21 and the fixing portion 213 can be in a number relationship of many-to-one.

In an embodiment, the cover plate 20 includes a main plate body 201 and a sub-plate body 202 connected to the main plate body 201, the sub-plate body 202 is bent and extended toward the accommodating cavity 4 relative to the main plate body 201, and one of the locking structure 50 and the anti-detaching structure 40 is disposed on a surface of the sub-plate body 202 facing one side of the cabin body 10.

Referring to fig. 1-5, fig. 5 is a schematic structural view of an embodiment of a tamper-evident structure provided herein.

In an embodiment, the anti-detaching structure 40 includes an anti-detaching main body portion 41 and a supporting portion 42 connected to the anti-detaching main body portion 41, the anti-detaching main body portion 41 is fixed to one of the bin body 10 and the cover plate 20, the locking structure 50 includes a first locking portion 51, a second locking portion 52 and a third locking portion 53 connected in sequence, the first locking portion 51 and the third locking portion 53 are bent and extend in opposite directions relative to the second locking portion 52, the first locking portion 51 is fixed to the other of the bin body 10 and the cover plate 20 where the anti-detaching structure 40 is provided, and the supporting portion 42 rotates relative to the anti-detaching main body portion 41, so that the supporting portion 42 is located between the first locking portion 51 and the third locking portion 53 and abuts against the third locking portion 53.

The anti-detaching structure 40 can be disposed on the cover plate 20 or the bin 10, in this embodiment, the anti-detaching structure 40 is disposed on the bin 10, and the locking structure 50 is disposed on the cover plate 20 for illustration. The locking structure 50 is zigzag-shaped, and the second locking portion 52 allows a space to be formed between the third locking portion 53 and the cover plate 20. The anti-detaching body 41 of the anti-detaching structure 40 may be provided with a keyhole, and the keyhole is exposed to the outside of the housing assembly 2, so that a key can be inserted into the anti-detaching structure 40 from the outside of the housing assembly 2 to rotate the abutting portion 42. After the cover plate 20 is in snap fit with the bin body 10 through the hook 21, the abutting portion 42 is rotated by a key, and the abutting portion 42 is located between the third locking portion 53 and the cover plate 20, so that the abutting portion 42 abuts against the third locking portion 53, and when the cover plate 20 needs to be separated from the bin body 10, the abutting portion 42 can be rotated by the key, so that the cover plate 20 is separated from the bin body 10.

Referring to fig. 1-6, fig. 6 is an exploded view of an embodiment of the projection device shown in fig. 1.

In one embodiment, the bin body 10 comprises a bottom plate 15, a left side plate 13, a right side plate 12, a front side plate 14 and a rear side plate 11, wherein the left side plate 13 and the right side plate 12 are respectively and fixedly arranged at two opposite sides of the bottom plate 15, the front side plate 14 and the rear side plate 11 are arranged between the left side plate 13 and the right side plate 12 at intervals, and are respectively and fixedly connected with the left side plate 13 and the right side plate 12; the left side plate 13, the right side plate 12 and the front side plate 14 are provided with a clamping groove 30 at the open end of the bin body 10.

In this embodiment, the bin 10 enclosed by the bottom plate 15, the left side plate 13, the right side plate 12, the front side plate 14 and the rear side plate 11 is similar to a quadrangular prism. The left side plate 13, the right side plate 12 and the front side plate 14 are provided with a clamping groove 30 at the open end of the bin body 10, so that the cover plate 20 is limited on the bin body 10 by the clamping groove 30 and the clamping hook 21 from the three side plates respectively. Wherein, the anti-disassembly structure 40 is arranged on the partial area of the rear side plate 11 of the bin body 10 close to the cover plate 20, and the bin body 10 and the cover plate 20 are locked by the anti-disassembly structure 40 and the locking structure 50.

Through the above embodiment, the cover plate 20 is positioned on the bin body 10 by the hooks 21 and the slots 30 on the three side plates, and the cover plate 20 and the bin body 10 can be detached only after the locking state of the cover plate 20 and the bin body 10 is released by the anti-detachment structure 40, so that the protection mechanism of the projection device 1 can be improved.

Referring to fig. 6 and 7, fig. 7 is a partial schematic view of an embodiment after the left side plate and the bottom plate are connected.

In one embodiment, the left side plate 13 or the right side plate 12 is provided with a first connecting structure 131, the bottom plate 15 is provided with a second connecting structure 151, and the left side plate 13 and the bottom plate 15 or the right side plate 12 and the bottom plate 15 are fixed to each other through the first connecting structure 131 and the second connecting structure 151.

The first connecting structure 131 may be an anti-releasing opening, and the second connecting structure 151 may be a buckle, and the buckle extends along the opposite direction of the accommodating cavity 4 and bends toward the left side plate 13 or the right side plate 12. The second connecting structure 151 close to the left side plate 13 extends into the first connecting structure 131 of the left side plate 13 to hook the left side plate 13 through the second connecting structure 151; the second connecting structure 151 adjacent to the right side panel 12 extends into the first connecting structure 131 of the right side panel 12 to hook the right side panel 12 by the second connecting structure 151.

The number of the first connecting structures 131 and the number of the second connecting structures 151 may be at least two, and the first connecting structures 131 and the second connecting structures 151 are respectively arranged at intervals along the extending direction of the surface of the left side plate 13 or the right side plate 12 close to the bottom plate 15, and the number of the first connecting structures 131 and the number of the second connecting structures 151 are arranged in a one-to-one correspondence manner.

Through the above embodiment, the first connecting structure 131 and the second connecting structure 151 cooperate to relatively fix the bottom plate 15 and the left side plate 13 and the right side plate 12, so as to prevent the bottom plate 15 from falling off from the left side plate 13 or the left side plate 13.

Referring to fig. 1-8, fig. 8 is an enlarged partial schematic view of an embodiment of the left side plate and left side support coupled.

Casing assembly 2 is including being located holding chamber 4 and being fixed in the left side support 16 of bottom plate 15 respectively, and left side support 16 is close to left side board 13, and left side support 16 is equipped with locating pin 161 respectively towards the both ends of preceding curb plate 14 and posterior lateral plate 11, and left side board 13 is equipped with locating piece 132 towards the both ends of preceding curb plate 14 and posterior lateral plate 11, and locating piece 132 just extends towards holding chamber 4 with left side board 13 is buckled, and locating piece 132 is equipped with constant head tank 133, and locating pin 161 stretches into constant head tank 133.

At least two positioning pins 161 and at least two positioning blocks 132 may be provided, and are respectively disposed at intervals along the extending direction of the surface of the left side plate 13 or the left side support 16 near the front side plate 14, and the positioning grooves 133 and the positioning pins 161 on the positioning blocks 132 are disposed in one-to-one correspondence. The positioning groove 133 may be L-shaped, and the positioning pin 161 extends into the positioning groove 133.

With the above embodiment, the left side plate 13 and the left support 16 can be fixed by the positioning pin 161 and the positioning groove 133 of the positioning block 132, so as to fix the left side plate 13 on the left support 16 from two directions close to the front side plate 14 and the rear side plate 11.

Wherein, casing assembly 2 can also be including being located holding chamber 4 and being fixed in the right side support 17 of bottom plate 15 respectively, and right side support 17 is close to right side board 12, and right side support 17 is equipped with locating pin 161 respectively towards the both ends of preceding curb plate 14 and posterior lateral plate 11, and right side board 12 is equipped with locating piece 132 towards the both ends of preceding curb plate 14 and posterior lateral plate 11, and locating piece 132 just extends towards holding chamber 4 with left side board 13 is buckled, and locating piece 132 is equipped with constant head tank 133.

With the above embodiment, the right side plate 12 and the right support 17 can be fixed by the positioning pin 161 and the positioning groove 133 of the positioning block 132, so as to fix the right side plate 12 on the right support 17 from two directions close to the front side plate 14 and the rear side plate 11.

The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A housing assembly for use in a projection device, comprising: the storehouse body, apron, locking structure and prevent tearing open the structure, the apron lid is located the opening end of the storehouse body to enclose and establish and form the holding chamber, the apron with one in the opening end of the storehouse body is equipped with the pothook, and another is equipped with the draw-in groove, the apron with the storehouse body passes through the pothook with the cooperation of draw-in groove joint, the locking structure with prevent tearing open one in the structure and locate the apron orientation the surface of storehouse body one side, another is located on the storehouse body, prevent tearing open the structure and be used for the butt the locking structure, with the locking the storehouse body with the apron.

2. The housing assembly of claim 1 wherein the cartridge body includes a body and a stop plate at an open end of the cartridge body and connected to the body, the stop plate extending in a bending manner relative to the body toward the receiving cavity, the slot being defined in the stop plate.

3. The housing assembly of claim 2, wherein the hook includes a connecting portion connected to the cover plate and a limiting portion connected to the connecting portion, the connecting portion enables the limiting portion to be spaced from the cover plate, and the limiting portion extends into a side of the stop plate away from the cover plate via the engaging groove.

4. The housing assembly of claim 3, further comprising a fixing portion connected to the connecting portion, wherein the hook is connected to the cover plate through the fixing portion.

5. The housing assembly according to claim 1, wherein the anti-detachment structure includes an anti-detachment main body portion and a holding portion connected to the anti-detachment main body portion, the anti-detachment main body portion is fixed to one of the cartridge body and the cover plate, the locking structure includes a first locking portion, a second locking portion and a third locking portion connected in sequence, the first locking portion and the third locking portion are bent and extend in opposite directions with respect to the second locking portion, the first locking portion is fixed to the other of the cartridge body and the cover plate where the anti-detachment structure is provided, and the holding portion rotates with respect to the anti-detachment main body portion so that the holding portion is located between the first locking portion and the third locking portion and abuts against the third locking portion.

6. The shell assembly of claim 2, wherein the body comprises a bottom plate, a left side plate, a right side plate, a front side plate and a rear side plate, wherein the left side plate and the right side plate are respectively fixedly arranged at two opposite sides of the bottom plate, and the front side plate and the rear side plate are arranged between the left side plate and the right side plate at intervals and are respectively fixedly connected with the left side plate and the right side plate; the left side plate, the right side plate and the front side plate are respectively provided with the stop plates at the open end of the bin body.

7. The housing assembly of claim 6, wherein the left side plate or the right side plate is provided with a first connecting structure, the bottom plate is provided with a second connecting structure, and the left side plate and the bottom plate or the right side plate and the bottom plate are fixed to each other through the first connecting structure and the second connecting structure.

8. The shell assembly according to claim 6, wherein the shell assembly includes a left support located in the accommodating cavity and fixed to the bottom plate, the left support is close to the left side plate, positioning pins are respectively disposed on the left support towards two ends of the front side plate and the rear side plate, positioning blocks are disposed on the left side plate towards two ends of the front side plate and the rear side plate, the positioning blocks are bent with the left side plate and extend towards the accommodating cavity, positioning grooves are disposed on the positioning blocks, and the positioning pins extend into the positioning grooves.

9. The housing assembly of claim 1, wherein the cover plate comprises a main plate body and a sub-plate body connected to the main plate body, the sub-plate body is bent and extended toward the accommodating cavity relative to the main plate body, and one of the locking structure and the anti-detaching structure is disposed on a surface of the sub-plate body facing one side of the bin body.

10. A projection device comprising a housing assembly as claimed in any one of claims 1-9 and an engine module, wherein the engine module is disposed within the housing assembly.

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