CN217985233U - Box assembly and video recorder - Google Patents

Abstract

The utility model provides a box body assembly and a video recorder, wherein, the box body assembly of the video recorder comprises a base and two limiting assemblies, wherein, the limiting assemblies are arranged on the base, at least two limiting assemblies are arranged, the two limiting assemblies are arranged oppositely, at least one part of the surface of one side of the base, which is provided with the limiting assemblies, and the two limiting assemblies are enclosed into an accommodating space for accommodating a hard disk; wherein, at least one spacing subassembly in two spacing subassemblies has the spacing end along the scalable setting of first direction, spacing end have stretch into accommodation space and with the spacing position of the lateral wall face butt of hard disk to and spacing end have withdraw from accommodation space in order to remove the spacing position of dodging to the hard disk, the utility model provides a dismouting of the hard disk of the video cassette recorder among the prior art is loaded down with trivial details complicated, is unfavorable for the problem of the maintenance convenience of video cassette recorder.

Description

Box assembly and video recorder

Technical Field

The utility model relates to a mechanical component assembles technical field, particularly, relates to a box subassembly and video cassette recorder.

Background

Among the prior art, the box subassembly of video cassette recorder is used for installing hard disk and other parts usually, wherein, in order to ensure the installation steadiness of hard disk, current hard disk is installed in the box subassembly through a plurality of screw fastenings, when maintaining the video cassette recorder, need to unscrew one by one to a plurality of screws and just can dismantle the hard disk from the box subassembly down, and follow-up completion still need screw up one by one to a plurality of screws and just can install the hard disk fastening on the box subassembly after the maintenance operation, complex operation, be unfavorable for the maintenance convenience of video cassette recorder.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a box subassembly and video cassette recorder to the dismouting of the hard disk of the video cassette recorder who solves among the prior art is loaded down with trivial details complicated, is unfavorable for the problem of the maintenance convenience of video cassette recorder.

In order to achieve the above object, according to one aspect of the present invention, there is provided a box assembly of a video recorder, comprising a base and two limiting assemblies, wherein the two limiting assemblies are disposed on the base, and at least one part of the surface of the base on the side where the two limiting assemblies are disposed and the two limiting assemblies are disposed oppositely form an accommodating space for accommodating a hard disk; wherein, at least one spacing subassembly in two spacing subassemblies has along the scalable spacing end that sets up of first direction, spacing end have stretch into accommodation space and with the spacing position of the side wall face butt of hard disk to and spacing end have withdraw from accommodation space in order to relieve the spacing position of dodging of hard disk.

Furthermore, each limiting component is provided with at least two limiting ends.

Furthermore, each limiting assembly is provided with a force application part, the force application part on the same limiting assembly is in driving connection with the limiting end, when the force application part is pulled, the limiting end is switched to the avoiding position from the limiting position, and when the force application part is loosened, the limiting end is switched to the limiting position from the avoiding position.

Furthermore, the limiting assembly comprises a limiting bracket and a limiting mechanism, wherein the limiting bracket is arranged on the base and extends along a second direction perpendicular to the first direction, and two avoiding through holes are formed in the limiting bracket; two ends of the limiting mechanism are respectively and movably arranged at the two avoiding through holes to form two limiting ends.

Furthermore, the limiting bracket comprises a supporting limiting plate and an assembling block, wherein two ends of the supporting limiting plate in the length direction are provided with avoidance through holes; the assembly block is connected with the surface of one side of the supporting limiting plate, which deviates from the accommodating space, with an included angle therebetween, and the assembly block is fastened and connected with the base through a fastener.

Furthermore, the limiting mechanism comprises a fixed sleeve, a limiting structure and a spring, wherein the first end of the fixed sleeve is connected with the surface of one side, away from the accommodating space, of the limiting support, the fixed sleeve is communicated with the avoiding through hole, the second end of the sleeve is provided with a flanging structure, and the flanging structure is turned over towards one side of the axis of the fixed sleeve to form a first abutting ring surface; the limiting structure is movably connected with the fixed sleeve, a stop ring is arranged on the outer peripheral side of the limiting structure, and the surface of one side of the stop ring, which is far away from the avoiding through hole, is a second abutting ring surface; the spring is sleeved on the outer peripheral side of the limiting structure, and two ends of the spring are respectively in butt fit with the first butt ring surface and the second butt ring surface; wherein, when limit structure withdrawed from accommodation space under the exogenic action, the spring was in compression state, when cancellation exogenic force acted on limit structure's pull, the spring recovered to warp and for limit structure provides the elastic force that stretches into and dodge the via hole.

Furthermore, the limiting structure also comprises a force application disc section, a guide column section and an abutting column section, wherein the force application disc section is connected with the first end of the guide column section, the stop ring is arranged on the outer peripheral side of the second end of the guide column section, the spring is sleeved on the outer peripheral side of the guide column section, and the abutting column section is connected with the end part of the second end of the guide column section; the diameter R1 of application of force disk section, the diameter R2 of guide post section, the diameter R3 of butt post section satisfy: r1 > R2 > R3.

Furthermore, the limiting mechanism comprises a force application part, the force application part comprises a force application structure, two ends of the force application structure in the length direction are respectively provided with a limiting hole, the two limiting holes correspond to the two avoidance via holes one by one, the hole diameter R4 of each limiting hole is smaller than the diameter R1 of the force application disk section, the force application structure is provided with two avoidance notches at the hole edge of the limiting hole, and the two avoidance notches are oppositely arranged along one diameter direction of the limiting hole; the force application structure can be folded along the extending direction of the two avoidance notches at the same limiting hole, so that the force application disc section can pass through the limiting hole; after the force application disk section passed spacing hole, the force application structure was located a lateral surface at the hole edge in spacing hole and the inside wall face butt of force application disk section, and the other lateral surface that the force application structure was located the hole edge in spacing hole overlaps with the tip surface overlap joint of fixed sleeve's second end.

Furthermore, the limiting assembly further comprises a plurality of supporting convex hulls, the supporting convex hulls are arranged in the accommodating space, the supporting convex hulls are arranged adjacent to the limiting support, and the height of each supporting convex hull is lower than that of the limiting support, so that the supporting convex hulls can provide supporting force for the hard disk, and the plurality of supporting convex hulls are arranged at intervals along the second direction; or the supporting convex hulls are one continuous one and are arranged in an extending mode along the second direction.

Furthermore, the base comprises a first plate body and a second plate body, wherein the first plate body is provided with a first mounting area and a second mounting area which are arranged at intervals along a second direction perpendicular to the first direction, and the two limiting assemblies are arranged at the second mounting area and surround at least one part of the second mounting area to form an accommodating space; the second plate body is connected with the end part of one side, away from the second installation area, of the first plate body, the first installation area is used for installing the main control board, and the second plate body is used for limiting the main control board; when the main control board is installed at the first installation area, and the hard disk is installed in the accommodating space and is installed in place, the hard disk is in plug-in fit with the main control board.

Furthermore, a heat dissipation hole is formed in a second installation area located between the two limiting assemblies.

Furthermore, the box body assembly further comprises an upper cover structure, the upper cover structure comprises a cover plate and three limiting plates, the cover plate is arranged opposite to the first plate body, and the three limiting plates are respectively connected with three edges of the cover plate to form a drawer-shaped structure; the first plate body is provided with first guide structures at the edges of two sides in the first direction, two of the three limiting plates opposite to the two first guide structures are provided with second guide structures, and the upper cover structure is in sliding connection with the base through the matching effect of the second guide structures and the first guide structures; when the upper cover structure is installed on the base, the notch on the upper cover structure is arranged towards one side of the second plate body, the notch is provided with a first clamping structure, the position, opposite to the first clamping structure, of the second plate body is provided with a second clamping structure, and the upper cover structure is clamped and matched with the second clamping structure through the first clamping structure so as to be fixed and limited on the base.

Furthermore, at least one of the three limiting plates is provided with a heat dissipation hole.

According to another aspect of the present invention, there is provided a video recorder comprising a case assembly, a hard disk, a main control board and a heat dissipation fan, wherein the case assembly is the above case assembly; the hard disk is arranged in the accommodating space; the main control board is arranged at a first installation area on a base of the box body assembly; radiator fan sets up in one side edge of base in the first direction, dispels the heat for hard disk and main control board.

Use the technical scheme of the utility model, through setting the box subassembly to the structural style including base and spacing subassembly, and simultaneously, spacing subassembly sets up on the base, and spacing subassembly is two at least, two spacing subassemblies set up relatively, two spacing subassemblies enclose and establish into the accommodation space who is used for holding the hard disk, and at least one spacing subassembly in two spacing subassemblies has the spacing end along the scalable setting of first direction, thus, before installing accommodation space department with the hard disk, thereby withdraw from accommodation space to switch to dodging the position from spacing position with spacing end, and then reserve sufficient operating space of dodging for placing the hard disk, after hard disk installation targets in place, spacing end stretches into in the accommodation space and with the lateral wall butt of hard disk from dodging the position, thereby switch to spacing position, ensure the spacing reliability of spacing subassembly to the hard disk, and then ensure the installation steadiness of hard disk.

To sum up, maintenance personal only need with the spacing end of telescopically spacing between limit position and dodge the position switch can realize the quick installation and the dismantlement to the hard disk when maintaining the video cassette recorder, has promoted the maintenance convenience of video cassette recorder greatly.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 shows a schematic cross-sectional structure diagram of a video cassette recorder according to an alternative embodiment of the present invention when a box assembly, a hard disk, a main control board, and a heat dissipation fan are in an assembled state;

fig. 2 is a schematic structural diagram of the case assembly, the hard disk, the main control board and the cooling fan in fig. 1 in a disassembled state;

FIG. 3 is a schematic structural diagram of the hard disk, the main control board and the heat dissipation fan of FIG. 2 mounted on the base of the case assembly;

FIG. 4 is a schematic view of the base and stop assembly of the case assembly of FIG. 2 in an assembled state;

FIG. 5 is a cross-sectional structural view showing another perspective of the base and stop assembly of FIG. 3;

FIG. 6 is a schematic diagram of the force applying structure of the spacing mechanism of the spacing assembly of FIG. 2;

fig. 7 shows a schematic structural view of an upper cover structure of the case assembly of fig. 1.

Wherein the figures include the following reference numerals:

1. a hard disk; 1a, screw holes; 1b, a hard disk socket;

2. a main control board; 2a, a main control board plug;

3. a heat radiation fan; 3a, assembling holes;

10. a base; 11. a first plate body; 111. a first guide structure; 111a, an assembly notch; 12. a second plate body;

20. a limiting component; 21. a limiting bracket; 211. avoiding a via hole; 212. supporting the limiting plate; 213. assembling the blocks; 214. a fastener; 22. a limiting mechanism; 221. a fixed sleeve; 2211. a flanging structure; 222. a limiting structure; 2221. a force application disk section; 2222. a guide post section; 2223. abutting the column section; 2224. a stop ring; 2225. plastic cover; 223. a spring; 224. a force application structure; 2241. a limiting hole; 2242. avoiding the gap; 23. supporting the convex hull; 24. an accommodating space;

30. heat dissipation holes;

40. an upper cover structure; 41. a cover plate; 42. a limiting plate; 421. a second guide structure; 43. a first clamping structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the loaded down with trivial details complicacy of dismouting of the hard disk of the video cassette recorder among the prior art, be unfavorable for the problem of the maintenance convenience of video cassette recorder, the utility model provides a box subassembly and video cassette recorder.

As shown in fig. 1 to 7, the video recorder includes a case assembly, a hard disk 1, a main control board 2 and a heat dissipation fan 3, wherein the case assembly is the case assembly described above and below; the hard disk 1 is arranged in an accommodating space 24 enclosed by a base 10 of the box body assembly and two limiting assemblies 20; the main control board 2 is arranged at a first installation area on a base 10 of the box body assembly; the heat dissipation fan 3 is disposed at an edge of one side of the base 10 in the first direction to dissipate heat for the hard disk 1 and the main control board 2.

As shown in fig. 1, the case assembly of the video recorder comprises a base 10 and at least two limiting assemblies 20, wherein the limiting assemblies 20 are arranged on the base 10, the two limiting assemblies 20 are oppositely arranged, at least a part of the surface of one side of the base 10, on which the limiting assemblies 20 are arranged, and an accommodating space 24 for accommodating the hard disk 1 are enclosed by the two limiting assemblies 20; wherein, at least one spacing subassembly 20 in two spacing subassemblies 20 has along the scalable spacing end that sets up of first direction, and spacing end has the spacing position that stretches into accommodation space 24 and with the side wall face butt of hard disk 1 to and spacing end has the dodge position of withdrawing from accommodation space 24 in order to relieve the spacing of hard disk 1.

Through setting the box subassembly to the structural style including base 10 and spacing subassembly 20, and simultaneously, spacing subassembly 20 sets up on base 10, and spacing subassembly 20 is two at least, two spacing subassemblies 20 set up relatively, two spacing subassemblies 20 enclose establishes into the accommodation space 24 that is used for holding hard disk 1, and at least one spacing subassembly 20 in two spacing subassemblies 20 has along the first direction scalable spacing end that sets up, like this, before installing hard disk 1 in accommodation space 24 department, withdraw from accommodation space 24 with spacing end from spacing position and switch to the position of dodging, and then reserve sufficient operation space of dodging for placing hard disk 1, after hard disk 1 is installed in place, spacing end stretches into accommodation space 24 and with the lateral wall butt of hard disk 1 from the position of dodging, thereby switch to spacing position, ensure the spacing reliability of spacing subassembly 20 to hard disk 1, and then ensure the installation steadiness of hard disk 1.

To sum up, maintenance personal only need with the spacing end of retractable ground switch over between the position at limit position and dodge the position can realize having promoted the maintenance convenience of video cassette recorder greatly to the quick installation and the dismantlement of hard disk 1 when maintaining the video cassette recorder.

As shown in fig. 1, each of the position-limiting assemblies 20 has at least two position-limiting ends. Like this, greatly increased each spacing subassembly 20 and the contact point of the side wall face of hard disk 1, ensured each spacing subassembly 20 to the spacing reliability of hard disk 1 to and ensure that the atress of hard disk 1 is more even, thereby ensured the installation steadiness of hard disk 1 in accommodation space 24.

It should be noted that, in the present application, each of the limiting assemblies 20 has a force application portion, and the force application portion on the same limiting assembly 20 is in driving connection with the limiting end, when the force application portion is pulled, the limiting end is switched from the limiting position to the avoiding position, and when the force application portion is loosened, the limiting end is switched from the avoiding position to the limiting position. Like this, ensure to realize can realizing dodging the nimble switching of position and spacing position between spacing end through application of force portion, promoted the simple operation nature greatly.

As shown in fig. 1 to 5, the limiting assembly 20 includes a limiting bracket 21 and a limiting mechanism 22, wherein the limiting bracket 21 is disposed on the base 10 and extends along a second direction perpendicular to the first direction, and two avoiding through holes 211 are disposed on the limiting bracket 21; two ends of the limiting mechanism 22 are respectively movably arranged at the two avoiding through holes 211 to form two limiting ends. Like this, spacing support 21 ensures spacing subassembly 20's installation steadiness, and stop gear 22 has played hard disk 1 spacing effect on the first direction, and spacing end sets up in dodging via hole 211 department along the first direction telescopically, ensures that spacing end can pass dodge via hole 211 and stretch into accommodation space 24 and with hard disk 1 ground side wall butt, can also ensure that spacing end can withdraw from accommodation space 24 smoothly through dodging via hole 211.

In the present application, as shown in fig. 3, the first direction is indicated by an arrow a in fig. 3, and the second direction is indicated by an arrow B in fig. 3.

As shown in fig. 1 to 5, the limiting bracket 21 includes a supporting limiting plate 212 and an assembling block 213, wherein two ends of the supporting limiting plate 212 in the length direction are provided with an avoiding through hole 211; the assembling block 213 is connected to a surface of the supporting limit plate 212 on a side away from the accommodating space 24, and the assembling block 213 is disposed with an included angle therebetween, and is fastened to the base 10 by a fastening member 214. In this way, the supporting limit plate 212 functions as a device for installing the limit mechanism 22, the assembling block 213 is tightly connected to the base 10 through the fastening member 214, and meanwhile, the assembling block 213 is connected to the supporting limit plate 212, so as to ensure the installation stability of the supporting limit plate 212 on the base 10, that is, the limit bracket 21 does not move, thereby ensuring the limit reliability of the supporting limit plate 212 on the hard disk 1.

Preferably, the included angle between the assembling block 213 and the supporting limit plate 212 is 90 °, and the assembling block 213 and the supporting limit plate 212 are integrally formed.

Optionally, the supporting limiting plate 212 is provided with a clamping falcon, the first plate body 11 is provided with a clamping falcon positioning hole, the clamping falcon on the supporting limiting plate 212 and the clamping falcon positioning hole on the first plate body 11 are positioned in advance and supported in an auxiliary manner, and then the rivet hole on the supporting limiting plate 212 and the rivet hole on the first plate body 11 are fixed by rivets.

As shown in fig. 5, the limiting mechanism 22 includes a fixing sleeve 221, a limiting structure 222 and a spring 223, wherein a first end of the fixing sleeve 221 is connected to a surface of the supporting and limiting plate 212 on a side away from the accommodating space 24, the fixing sleeve 221 is communicated with the avoiding through hole 211, a second end of the fixing sleeve 221 has a turned-up structure 2211, and the turned-up structure 2211 is turned over toward one side of an axis of the fixing sleeve 221 to form a first abutting annular surface; the limiting structure 222 is movably connected with the fixing sleeve 221, a stop ring 2224 is arranged on the outer peripheral side of the limiting structure 222, and the surface of the stop ring 2224, which is far away from the side passing through the hole 211, is a second abutting annular surface; the spring 223 is sleeved on the outer peripheral side of the limiting structure 222, and two ends of the spring 223 are respectively in butt fit with the first butt ring surface and the second butt ring surface; when the limiting structure 222 is withdrawn from the accommodating space 24 under the action of an external force, the spring 223 is in a compressed state, and when the drawing action of the external force on the limiting structure 222 is cancelled, the spring 223 is restored to deform and provides an elastic force for the limiting structure 222 to extend into the avoiding through hole 211. Thus, the spring 223 is sleeved on the outer peripheral side of the limiting structure 222, the outer peripheral side of the limiting structure 222 is provided with the stop ring 2224, the limiting structure 222 is movably connected with the fixed sleeve 221, the second end of the fixed sleeve 221 is provided with the turned-up structure 2211, the spring 223 is limited between the stop ring 2224 and the turned-up structure 2211, at least one part of the limiting structure 222 extends into the avoiding through hole 211 to form a limiting end, external force is applied to the limiting structure 222, so that the limiting end can smoothly exit the accommodating space 24 through the avoiding through hole 211, meanwhile, the spring 223 is in a compressed state and accumulates elastic potential energy, the spring 223 can give a pushing force to the stop ring 2224 towards one side of the accommodating space 24 in the process of recovering deformation, at the moment, the hard disk 1 is placed into the accommodating space 24, after the external force is removed, the limiting structure 222 is restored to the original position under the pushing force of the spring 223, the limiting end extends into the accommodating space 24 from the avoiding through hole 211 again and abuts against the side wall surface of the hard disk 1, when the hard disk 1 needs to be taken out, and the hard disk 1 can be taken out.

After the position-limiting structure 222 and the spring 223 are pre-installed in the fixing sleeve 221, the fixing sleeve 221 is fixed on the supporting position-limiting plate 212 by means of clinching.

As shown in fig. 5, the limiting structure 222 further includes a force application disk section 2221, a guide column section 2222, and an abutting column section 2223, wherein the force application disk section 2221 is connected to a first end of the guide column section 2222, a stop ring 2224 is disposed on an outer peripheral side of a second end of the guide column section 2222, a spring 223 is sleeved on the outer peripheral side of the guide column section 2222, and the abutting column section 2223 is connected to an end of the second end of the guide column section 2222; the diameter R1 of the force application disc section 2221, the diameter R2 of the guide post section 2222, and the diameter R3 of the abutment post section 2223 satisfy: r1 > R2 > R3. Thus, the guiding column section 2222 is disposed in the fixing sleeve 221, the diameter of the force application disc section 2221 is greater than the inner diameter of the flange 2211 of the fixing sleeve 221, so that the force application disc section 2221 is stopped at the side of the flange 2211 away from the supporting limit plate 212, the spring 223 is sleeved on the outer periphery of the guiding column section 2222, and the stop ring 2224 is disposed at the side of the flange 2211, so as to ensure that the limit structure 222 cannot be separated from the fixing sleeve 221.

As shown in fig. 2, the side wall surface of the hard disk 1 has screw holes 1a, and the abutment post 2223 is fitted into the screw holes 1 a. Thus, the connection reliability between the two is ensured.

In the present application, the portion of the abutting column 2223 that contacts the hard disk 1 is covered with a rubber jacket to increase the shock absorbing function.

It should be noted that, in the present application, the limiting structure 222 further includes a plastic sleeve 2225, and the plastic sleeve 2225 is wrapped around the outer periphery of the force application disk section 2221.

Alternatively, the force application disk section 2221, the guide post section 2222, the abutment post section 2223, and the plastic sleeve 2225 are integrally formed.

Further, after the limiting structure 222 is installed in the fixing sleeve 221, the spring 223 is in a free state, the force application disc section 2221 is stopped at one side of the turned-up structure 2211 away from the supporting limiting plate 212, the guide column section 2222 is completely located in the fixing sleeve 221, and the abutting column section 2223 passes through the avoiding through hole 211 and extends into the accommodating space 24.

As shown in fig. 1 to 6, the limiting mechanism 22 includes a force application portion, the force application portion includes a force application structure 224, two ends of the force application structure 224 in the length direction are both provided with limiting holes 2241, the two limiting holes 2241 correspond to the two avoidance via holes 211 one to one, a hole diameter R4 of each limiting hole 2241 is smaller than a diameter R1 of the force application disc section 2221, the force application structure 224 is provided with two avoidance notches 2242 at the hole edge of the limiting hole 2241, and the two avoidance notches 2242 are oppositely arranged along a diameter direction of the limiting hole 2241; the force application structure 224 can be folded along the extending direction of the two avoiding notches 2242 at the same limiting hole 2241, so that the force application disc 2221 can pass through the limiting hole 2241; after the force application disc 2221 passes through the limiting hole 2241, one side surface of the force application structure 224 located at the hole edge of the limiting hole 2241 abuts against the inner side wall surface of the force application disc 2221, and the other side surface of the force application structure 224 located at the hole edge of the limiting hole 2241 overlaps with the end surface of the second end of the fixing sleeve 221.

In this way, force application structure 224 is foldably arranged along the extending direction (dotted line D in fig. 6) of two escape notches 2242 at the same limiting hole 2241, so that force application disc 2221 can pass through limiting hole 2241 after the end of force application structure 224 is folded along dotted line D and along direction C, after force application disc 2221 passes through limiting hole 2241, the end of force application structure 224 returns to the initial state (i.e. the state when not folded), since hole diameter R4 of each limiting hole 2241 is smaller than diameter R1 of force application disc 2221, force application disc segment is prevented from being easily disengaged from limiting hole 2241, force application structure 224 is limited in the gap between force application disc segment 2221 and fixing sleeve 221, two spacing holes 2241 and two dodge via hole 211 one-to-one settings, the back is accomplished in the whole installations of application of force structure 224 both sides, through applying the pulling force of keeping away from support limiting plate 212 direction to application of force structure 224, application of force structure 224 drives application of force dish section 2221 and removes to the direction of keeping away from support limiting plate 212, butt post section 2223 withdraws from accommodation space 24 from dodging via hole 211, after cancelling the pulling force, application of force structure 224 removes the pulling force effect to limit structure 222, limit structure 222 switches to limit position simultaneously, hard disk 1 is when carrying out the dismouting, directly through applying the pulling force to application of force structure 224, can switch limit structure 222 to dodging the position by limit position, the step of hard disk 1 dismouting has been simplified, and the work efficiency is improved.

Alternatively, the force application structure 224 is made of a more flexible plastic sheet.

Alternatively, the force application structure 224 may be a sheet metal component.

As shown in fig. 1, 3, and 4, the limiting assembly 20 further includes a supporting convex hull 23, the supporting convex hull 23 is disposed in the accommodating space 24, the supporting convex hull 23 is disposed adjacent to the limiting bracket 21, and the height of the supporting convex hull 23 is lower than the height of the limiting bracket 21, so that the supporting convex hull 23 provides a supporting force for the hard disk 1, where there are a plurality of supporting convex hulls 23, and the plurality of supporting convex hulls 23 are disposed at intervals along the second direction; or, the supporting convex hull 23 is a continuous one, and the supporting convex hull 23 is arranged to extend along the second direction. In this way, after the hard disk 1 is placed in the accommodating space 24, the bottom of the hard disk 1 contacts with the upper surface of the supporting convex hull 23, the height of the supporting convex hull 23 is lower than that of the limiting bracket 21, and the supporting convex hull 23 plays a role of raising the hard disk socket 1b on the hard disk 1 so as to raise the hard disk socket 1b on the hard disk 1, so that the hard disk socket 1b can be accurately inserted and matched with the main control board plug 2a on the main control board 2, but the height of the hard disk 1 is not higher than that of the limiting bracket 21, the limiting reliability of the limiting bracket 21 on the hard disk 1 is ensured, and the supporting convex hulls 23 are arranged at intervals along the second direction; or, the supporting convex hulls 23 are continuous, and the supporting convex hulls 23 extend along the second direction, so that the stress on two sides of the bottom surface of the hard disk 1 is uniform, and the stability of the hard disk 1 is improved.

Alternatively, the hard disk 1 may be slid into the accommodating space 24 through a side of the accommodating space 24 away from the second board 12, or may be directly placed into the accommodating space 24 from an opening of the accommodating space 24.

As shown in fig. 1 to 7, the base 10 includes a first plate 11 and a second plate 12, wherein the first plate 11 extends along a horizontal direction, the first plate 11 has a first mounting area and a second mounting area, the first mounting area and the second mounting area are arranged at an interval along a second direction perpendicular to the first direction, and both the two limiting assemblies 20 are arranged at the second mounting area and enclose an accommodating space 24 with at least a part of the second mounting area; the second plate body 12 is connected with one side end part of the first plate body 11 in the second direction, the second plate body 12 extends along the vertical direction, the first installation area is used for installing the main control board 2, and the second plate body 12 is used for limiting the main control board 2; when the main control board 2 is installed at the first installation area, and the hard disk 1 is installed in the accommodating space 24 and is installed in place, the hard disk 1 is in plug-in fit with the main control board 2. Like this, first plate body 11 extends the setting along the horizontal direction, as the bottom sprag of each part, first installation region department is installed to main control board 2, hard disk 1 is installed in accommodation space 24, hard disk socket 1b on the hard disk 1 is through sliding in order to peg graft the cooperation with main control board plug 2a on the main control board 2, the installation steps are simple laborsaving, need not too much screw and wire, the installation effectiveness is improved, second plate body 12 and first plate body 11 are at the ascending side end connection of second side, and second plate body 12 extends the setting along vertical direction, second plate body 12 plays and is the spacing effect of main control board 2.

It should be noted that, besides the self-riveting process characteristic holes, 4 hanging lug preformed holes are matched on two sides of the front side surface of the second plate body 12, so that the subsequent cabinet hanging lug installation requirements are met.

It should be noted that the main control board 2 is fixed on the fixing hole of the first board 11 by a screw, and the main control board plug 2a on the main control board 2 is connected by a screw.

As shown in fig. 2 and 4, the main control board plug 2a is provided with heat dissipation holes 30 at least in a second mounting region between the two position-limiting assemblies 20. Like this, the setting of louvre 30 can in time get rid of the heat that hard disk 1 and main control board 2 work produced, prevents that hard disk 1 and main control board 2 high temperature from producing the damage.

It should be noted that the first plate 11 has an assembly hole 3a for fastening the heat dissipation fan 3, and the heat in the box assembly is discharged in time through the heat dissipation fan 3.

As shown in the figure, the box body assembly further includes an upper cover structure 40, the upper cover structure 40 includes a cover plate 41 and three limiting plates 42, the cover plate 41 is disposed opposite to the first plate 11, and the three limiting plates 42 are respectively connected with three edges of the cover plate 41 to form a drawer-like structure; the first plate body 11 is provided with first guide structures 111 at two side edges in the first direction, two of the three limiting plates 42 opposite to the two first guide structures 111 are provided with second guide structures 421, and the upper cover structure 40 is in sliding connection with the base 10 through cooperation between the second guide structures 421 and the first guide structures 111; when the upper cover structure 40 is installed on the base 10, the notch on the upper cover structure 40 is arranged towards one side of the second plate body 12, the notch has a first clamping structure 43, the position of the second plate body 12 opposite to the first clamping structure 43 has a second clamping structure, and the upper cover structure 40 is clamped and limited on the base 10 through the first clamping structure 43 and the second clamping structure. Like this, upper cover structure 40 includes apron 41 and three limiting plate 42, and base 10 includes first plate body 11 and second plate body 12, and the installation is accomplished the back, including whole parcel of box subassembly and hard disk 1, main control board 2 and radiator fan 3, plays the guard action to hard disk 1 and main control board 2 and radiator fan 3.

It should be noted that, the limiting plate 42 on the side of the upper cover structure 40 away from the second plate body 12 is provided with a first screw hole, the position of the first plate body 11 opposite to the first screw hole is provided with a second screw hole, and after the upper cover structure 40 is clamped with the base 10, the screw sequentially passes through the second screw hole and the first screw hole to fixedly connect the two, so as to enhance the reliability of connection.

Optionally, the first screw hole, the second screw hole and the screw are two in one-to-one correspondence.

Optionally, the first clamping structure 43 may be a folded edge structure, the second clamping structure is a plug hole, the folded edge structure is inserted into the plug hole, and the number of folded edges of the first clamping structure 43 is determined according to actual conditions.

As shown in fig. 2 and 7, at least one of the three limiting plates 42 is provided with a heat dissipation hole 30. In this way, the heat dissipation holes 30 of the limit plate 42 and the heat dissipation holes 30 of the first plate 11 construct an air duct for dissipating heat to the hard disk 1 and the main control board 2 in the case.

It should be noted that, in the present application, an assembly method of the box assembly, the hard disk 1, the main control board 2, and the heat dissipation fan 3 of the video recorder is given with reference to fig. 2, and it should be noted that the base 10 and the upper cover structure 40 of the box assembly are also in a disassembled state, specifically as follows:

the main control board 2 is fixedly arranged at a first mounting area on a first board body 11 of the base 10 by screws, meanwhile, the main control board 2 is also connected with the second board body 12 by screws on the side of the second board body 12 facing the base 10, so as to ensure the installation stability of the main control board 2, and then the limit end is switched to the avoiding position by drawing the force application part, and the hard disk 1 is arranged in the accommodating space 24, it should be noted that the hard disk 1 can slide into the accommodating space 24 through the side of the accommodating space 24 away from the second board 12, or can be directly placed into the accommodating space 24 from the opening of the accommodating space 24, and the hard disk 1 is lapped on the supporting convex hull 23, so that the hard disk socket 1b on the hard disk 1 can realize accurate splicing and matching with the main control board plug 2a on the main control board 2, then, the heat dissipation fan 3 is installed at the assembling notch 111a of the first plate 11 of the guide base 10, the assembling notch 111a is opened at the first guide structure 111 at one side of the first plate 11 in the first direction, meanwhile, the assembly notch 111a is also provided with two assembly holes 3a for fastening the heat radiation fan 3, the heat dissipation fan 3 is fastened at the assembly notch 111a through the two assembly holes 3a and the two screws, finally the position of the upper cover structure 40 opposite to the heat dissipation fan 3 is aligned and the heat dissipation fan 3 is placed in the space enclosed by the base 10 and the upper cover structure 40, and then the upper cover structure 40 is slid from the second installation area to the first installation area along the extending direction of the first guide structure 111, so that the first latch structure 43 on the upper cover structure 40 is inserted and matched with the second latch structure on the second board body 12, thereby completing the assembly of the box body assembly, the hard disk 1, the main control board 2 and the cooling fan 3 of the video recorder.

In addition, the disassembly process and the assembly process of the box body assembly, the hard disk 1, the main control board 2 and the cooling fan 3 of the video recorder are opposite, and the details are not repeated here.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. A case assembly, comprising:

a base (10);

the limiting assemblies (20) are arranged on the base (10), at least two limiting assemblies (20) are arranged, the two limiting assemblies (20) are arranged oppositely, at least one part of the surface of one side of the base (10) where the limiting assemblies (20) are arranged and an accommodating space (24) for accommodating a hard disk (1) are enclosed by the two limiting assemblies (20);

wherein, two in spacing subassembly (20) at least one spacing subassembly (20) have along the scalable spacing end that sets up of first direction, spacing end have stretch into accommodation space (24) and with the spacing position of the side wall face butt of hard disk (1), and spacing end has and withdraws from accommodation space (24) is in order to relieve right the spacing position of dodging of hard disk (1).

2. A box assembly according to claim 1, characterised in that each of the retainer assemblies (20) has at least two of the retainer ends thereon.

3. The box body assembly according to claim 1, wherein each limiting assembly (20) is provided with a force application part, the force application part on the same limiting assembly (20) is in driving connection with the limiting end, when the force application part is pulled out, the limiting end is switched from the limiting position to the avoiding position, and when the force application part is loosened, the limiting end is switched from the avoiding position to the limiting position.

4. A cabinet assembly, as claimed in claim 3, wherein the stop assembly (20) comprises:

the limiting bracket (21) is arranged on the base (10) and extends along a second direction perpendicular to the first direction, and two avoiding through holes (211) are formed in the limiting bracket (21);

the two ends of the limiting mechanism (22) are movably arranged at the two avoiding through holes (211) respectively to form two limiting ends.

5. A tank assembly as claimed in claim 4, characterised in that said limit bracket (21) comprises:

the support limiting plate (212), the two ends of the support limiting plate (212) in the length direction are provided with the avoidance through holes (211);

the assembling block (213), the assembling block (213) with support limiting plate (212) and deviate from the surface connection of accommodation space (24) one side, and set up with the contained angle between the two, the assembling block (213) through fastener (214) with base (10) fastening connection.

6. A box assembly according to claim 5, characterised in that the stop mechanism (22) comprises:

the first end of the fixing sleeve (221) is connected with the surface of one side, away from the accommodating space (24), of the limiting support (21), the fixing sleeve (221) is communicated with the avoiding through hole (211), the second end of the fixing sleeve (221) is provided with a flanging structure (2211), and the flanging structure (2211) is turned over towards one side of the axis of the fixing sleeve (221) to form a first abutting annular surface;

the limiting structure (222) is movably connected with the fixing sleeve (221), a stop ring (2224) is arranged on the outer peripheral side of the limiting structure (222), and the surface of one side, away from the avoiding hole (211), of the stop ring (2224) is a second abutting annular surface;

the spring (223) is sleeved on the outer peripheral side of the limiting structure (222), and two ends of the spring (223) are respectively in butt fit with the first butt ring surface and the second butt ring surface;

when the limiting structure (222) exits from the accommodating space (24) under the action of external force, the spring (223) is in a compressed state, and when the drawing action of the external force on the limiting structure (222) is cancelled, the spring (223) restores to deform and provides elastic force extending into the avoiding through hole (211) for the limiting structure (222).

7. The cabinet assembly of claim 6, wherein the retaining structure (222) further comprises:

the force application device comprises a force application disc section (2221), a guide column section (2222) and an abutting column section (2223), wherein the force application disc section (2221) is connected with a first end of the guide column section (2222), a stop ring (2224) is arranged on the outer peripheral side of a second end of the guide column section (2222), a spring (223) is sleeved on the outer peripheral side of the guide column section (2222), and the abutting column section (2223) is connected with the end portion of the second end of the guide column section (2222);

the diameter R1 of the force application disc section (2221), the diameter R2 of the guide column section (2222) and the diameter R3 of the abutting column section (2223) satisfy the following conditions: r1 > R2 > R3.

8. The tank assembly of claim 7 wherein the limit mechanism (22) includes the force applying portion, the force applying portion including:

the device comprises a force application structure (224), wherein two limiting holes (2241) are formed in two ends of the force application structure (224) in the length direction, the two limiting holes (2241) correspond to the two avoidance through holes (211) in a one-to-one mode, the hole diameter R4 of each limiting hole (2241) is smaller than the diameter R1 of the force application disc section (2221), two avoidance notches (2242) are formed in the hole edge of each limiting hole (2241) of the force application structure (224), and the two avoidance notches (2242) are arranged oppositely along one diameter direction of the limiting holes (2241);

the force application structure (224) can be arranged in a folding mode along the extending direction of the two avoidance notches (2242) at the same limiting hole (2241), so that the force application disc section (2221) can penetrate through the limiting hole (2241);

when application of force disk section (2221) passes behind spacing hole (2241), application of force structure (224) are located a side surface at the hole edge of spacing hole (2241) with the inside wall face butt of application of force disk section (2221), application of force structure (224) are located another side surface at the hole edge of spacing hole (2241) with the tip surface overlap joint of the second end of fixed sleeve (221).

9. A cabinet assembly as claimed in claim 4, wherein the stop assembly (20) further comprises:

a supporting convex hull (23), wherein the supporting convex hull (23) is arranged in the accommodating space (24), the supporting convex hull (23) is arranged adjacent to the limiting bracket (21), the height of the supporting convex hull (23) is lower than that of the limiting bracket (21), so that the supporting convex hull (23) provides supporting force for the hard disk (1), wherein,

the number of the supporting convex hulls (23) is multiple, and the supporting convex hulls (23) are arranged at intervals along the second direction; or the like, or, alternatively,

the supporting convex hull (23) is a continuous one, and the supporting convex hull (23) extends along the second direction.

10. A box assembly according to any one of claims 1 to 9, characterised in that the base (10) comprises:

the first plate body (11) is provided with a first mounting area and a second mounting area which are arranged at intervals along a second direction perpendicular to the first direction, and the two limiting assemblies (20) are arranged at the second mounting area and enclose the accommodating space (24) with at least one part of the second mounting area;

the second plate body (12) is connected with the end part of one side, far away from a second installation area, of the first plate body (11), the first installation area is used for installing the main control board (2), and the second plate body (12) is used for limiting the main control board (2);

when the main control board (2) is installed at the first installation area, and the hard disk (1) is installed in the accommodating space (24) and installed in place, the hard disk (1) is in plug-in fit with the main control board (2).

11. The box assembly according to claim 10, wherein at least the second mounting region between the two position-limiting assemblies (20) is provided with a heat dissipation hole (30).

12. The cabinet assembly as claimed in claim 10, further comprising:

the upper cover structure (40) comprises a cover plate (41) and three limiting plates (42), the cover plate (41) is arranged opposite to the first plate body (11), and the three limiting plates (42) are respectively connected with three edges of the cover plate (41) to form a drawer-shaped structure;

the first plate body (11) is provided with first guide structures (111) at two side edges in the first direction, two opposite limiting plates (42) of the three limiting plates (42) to the two first guide structures (111) are provided with second guide structures (421), and the upper cover structure (40) is in sliding connection with the base (10) through the cooperation of the second guide structures (421) and the first guide structures (111);

when upper cover structure (40) is installed when on base (10), the breach orientation on upper cover structure (40) second plate body (12) one side sets up, just breach department has first joint structure (43), second plate body (12) with the relative position department of first joint structure (43) has second joint structure, upper cover structure (40) are passed through first joint structure (43) with the joint cooperation of second joint structure is in with fixed spacing on base (10).

13. The tank assembly according to claim 12, characterized in that at least one of said three limit plates (42) has a heat dissipation hole (30) formed therein.

14. A video recorder, comprising:

a case assembly as claimed in any one of claims 1 to 13;

the hard disk (1), the said hard disk (1) is set up in the accommodating space (24);

the main control board (2), the main control board (2) is arranged at a first installation area on a base (10) of the box body assembly;

the heat dissipation device comprises a heat dissipation fan (3), wherein the heat dissipation fan (3) is arranged at the edge of one side of the base (10) in the first direction, and the hard disk (1) and the main control board (2) are used for dissipating heat.

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