CN114585176B - Detachable housing - Google Patents

Abstract

The invention discloses a split type shell, which comprises: the first shell is provided with a rib plate; the second shell is provided with a mounting hole; an auxiliary module for assembly, the auxiliary module for assembly comprising: the expansion device comprises a mounting seat, an expansion part and bolts, wherein two sides of the mounting seat are respectively provided with a fixed limiting part; the expansion component is provided with a mounting part and two expansion parts arranged on the mounting part, the mounting part is provided with a threaded through hole, the two expansion parts are oppositely arranged, the threaded through hole is positioned between the two expansion parts, the mounting part is arranged on the mounting seat, and the expansion component is positioned between the two fixed limiting parts; the decoration shell is clamped on the second shell and covers the mounting hole. The invention adopts the auxiliary module for assembly to reliably connect the two shells together so as to improve the connection reliability; meanwhile, the decorative shell is configured to shield the part of the mounting bolt so as to realize that no bolt is exposed in appearance and optimize the appearance effect of the shell component.

Description

Detachable housing

Technical field

The invention belongs to the technical field of household appliances, and in particular relates to a detachable housing.

Background technique

At present, as the appearance requirements of household appliances continue to increase, the shell structure of household appliances is increasingly adopting a split design. Since the overall thickness of the shell is thin, for the two parts that need to be connected, An intermediate mounting base is required to meet assembly requirements.

In the prior art, a ladder structure is usually formed on the edges of two components. After the ladder structures formed on the edges of the two components are overlapped together, the two are connected together through bolts; however, the thickness of the two components to be connected is Being thinner, the connection strength at the overlapped part is lower, resulting in lower connection reliability.

In view of this, how to design an assembly connection technology with high connection reliability is a technical problem to be solved by the present invention.

Contents of the invention

The invention provides a detachable housing, which uses an auxiliary module for assembly to reliably connect the two housings together to improve the connection reliability; at the same time, a decorative shell is configured to cover the parts where the bolts are installed, so as to achieve a smooth appearance. Exposed bolts optimize the appearance of the housing assembly.

In order to achieve the above technical objectives, the present invention adopts the following technical solutions:

In one aspect, the invention provides a detachable housing comprising:

A first shell, the first shell is provided with ribs;

a second housing, the second housing is provided with a mounting hole;

An auxiliary module for assembly, the auxiliary module for assembly includes: a mounting seat, an expansion component and a bolt; fixed limiting portions are provided on both sides of the mounting seat; the expansion component has a mounting portion and is provided on the mounting portion There are two expansion parts on the mounting part. The mounting part is provided with a threaded through hole. The two expansion parts are arranged oppositely. The threaded through hole is located between the two expansion parts. The mounting part is provided on the On the mounting base, the expansion component is located between the two fixed limiting parts;

decorative shell;

Wherein, the first housing and the second housing are butted together, the rib is located between the fixed limiting part and the expansion part arranged oppositely, and the bolt passes through the mounting hole. And threadedly connected in the threaded through hole, the rib plate is clamped between the fixed limiting part and the expansion part on the corresponding side, the decorative shell is clamped on the second shell and covers Hold the mounting holes.

Further, the mounting seat and the expansion component are of an integrated structure.

Further, a first mounting hole is provided on the mounting base, and the first mounting hole is coaxial and connected with the threaded through hole.

Further, the expansion part is suspended on the mounting base.

Further, the mounting seat and the expansion component are of separate structure.

Further, a connecting portion is provided between the free ends of the two expansion portions.

Further, the inner wall of the decorative shell is provided with a first engaging portion, and the outer wall of the second housing is provided with a second engaging portion. The first engaging portion and the second engaging portion are engaged. together.

Further, the first clamping part includes a claw and a tongue, the second clamping part includes a slot and a positioning groove, the claw is clamped in the slot, and the tongue is inserted into the slot. In the positioning groove, the positioning groove and the opening direction of the clamping groove are arranged in opposite directions.

Further, the outer surface of the second housing is provided with a first guide chute and a second guide chute, the first guide chute extends to the clamping groove, and the second guide chute extends to at the positioning groove.

Further, a groove is provided on the rib plate, the edge of the second housing is stuck in the groove, the inner wall of the first housing is provided with a step surface, and the outer wall of the second housing is provided with a step surface. Positioning ribs are provided, and the positioning ribs abut against the step surface.

Compared with the prior art, the advantage and positive effect of the present invention is that the ribs on the first housing are clamped by forming oppositely arranged fixed limiting portions and expansion portions in the mounting base, while the second housing Bolts are passed through the mounting holes of the body. By tightening the bolts, the bolts enter between the two expansion parts, so that the two expansion parts will move toward the fixed limiting parts on the corresponding sides, so that the ribs on the first shell The plate is clamped between the fixed limiting part and the expansion part to complete the assembly and fixation between the first shell and the second shell, effectively increasing the connection strength and thereby improving the connection reliability; at the same time, for the second shell The mounting holes formed on the body are blocked by the decorative shell to achieve a more beautiful overall appearance of the shell assembly; at the same time, the decorative shell and the second shell are snap-connected to achieve quick and firm installation, making it convenient for the operator on site Assemble.

Description of the drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is a schematic structural diagram of an embodiment of the detachable housing of the present invention;

Figure 2 is one of the exploded views of an embodiment of the detachable housing of the present invention;

Figure 3 is the second exploded view of an embodiment of the detachable housing of the present invention;

Figure 4 is a cross-sectional view of an embodiment of the detachable housing of the present invention;

Figure 5 is a partial enlarged schematic diagram of area A in Figure 4;

Figure 6 is an exploded view of the auxiliary module for assembly in the detachable housing of the present invention;

Figure 7 is a schematic structural diagram of the mounting base in Figure 6;

Figure 8 is a schematic structural diagram of the expansion part in Figure 6.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the direction or position. The terms of relationship are based on the orientation or positional relationship shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

As shown in Figures 1 to 8, this embodiment proposes a detachable housing, including a first housing 100, a second housing 200 and a decorative housing 300. The first housing 100 and the second housing 200 are They are connected and fixed together through the assembly auxiliary module 400 .

Among them, the first housing 100 is provided with ribs 101, the second housing 200 is provided with mounting holes 201, and the assembly auxiliary module 400 is used to connect the first housing 100 and the second housing to be connected. 200 connected together.

The assembly auxiliary module includes: a mounting base 1, an expansion component 2 and a bolt 3. Fixed limiting portions 11 are provided on both sides of the mounting seat 1; the expansion component 2 has a mounting portion 21 and two mounting portions 21. The expansion part 22 and the mounting part 21 are provided with threaded through holes (not shown). The two expansion parts 22 are arranged oppositely. The threaded through holes are located between the two expansion parts 22. The mounting part 21 is provided on the mounting base. On the top, the expansion component 2 is located between the two fixed limiting parts; the bolt 3 is threaded in the threaded through hole;

Among them, the rib plate 101 is located between the oppositely arranged fixed limiting part 11 and the expansion part 22, and the bolt 3 passes through the mounting hole 201; when the bolt 3 is tightened, the bolt 3 is inserted between the two expansion parts 22, and the rib plate 101 Clamped between the corresponding side fixed limiting part 11 and the expansion part 22.

In actual use, when the first housing 100 and the second housing 200 need to be connected and assembled, the bolts 3 are first inserted into the mounting holes 201 formed on the second housing 200, and then the bolts 3 are The threaded part is threaded into the threaded through hole on the mounting part 21; insert the rib plate 101 formed on the first housing 100 into the clamping space formed by the fixed limiting part 11 and the expansion part 22; finally, tighten the bolts 3 to complete the assembly.

During the process of tightening the bolt 3 , the bolt 3 rotates in the threaded through hole, and the end of the bolt 3 is inserted between the two expansion parts 22 . When the bolt 3 is inserted between the two expansion portions 22 , the expansion portions 22 on both sides will expand to both sides under the action of the bolts 3 , thereby causing the expansion portions 22 to move toward the fixed limiting portion 11 . In this way, during the process of tightening the bolts 3, on the one hand, the second housing 200 can be tightly attached to the mounting base 1, and on the other hand, the rib plate 101 can be clamped between the fixed limiting part 11 and the expansion part 22. So that the first housing 100 and the second housing 200 are reliably connected together.

During the assembly process, after the first housing 100 and the second housing 200 are connected together, after the first housing 100 and the second housing 200 are fixedly connected together, due to the The mounting hole 201 can be seen from the housing. In order to prevent the mounting hole 201 and bolts from being exposed in the overall appearance, the mounting hole 201 is blocked by the decorative shell 300 .

Among them, the connection process between the decorative shell 300 and the second shell 200 is specifically as follows: the decorative shell 300 is installed and fixed on the second shell 200 in a snap-fitting manner, and the mounting hole 201 is blocked by the decorative shell 300 processing, so that the mounting holes 201 will not be visible from the outside of the housing assembly, achieving an overall appearance without exposed bolts.

In some embodiments, for the docking area between the decorative shell 300 and the first shell 100 , the edge of the decorative shell 300 is designed to be aligned with the edge of the first shell 100 , thereby reducing the distance between the decorative shell 300 and the first shell 100 . 100The size of the connection gap created at the docking area.

In other embodiments, the decorative shell 300 covers the outer surface of the second shell 200. Specifically, the decorative shell 300 can completely shield the second shell on the outside of the second shell, thereby optimizing The visual effect of the appearance.

In some embodiments, the shapes of the first housing 100 , the second housing 200 and the decorative housing 300 can be designed according to the actual product requirements.

The outer contours of the first housing 100 , the second housing 200 and the decorative shell 300 can be designed as a curved surface, or the outer contours of the first housing 100 , the second housing 200 and the decorative shell 300 can also be designed as a flat plate structure. , there is no restriction here.

In addition, the number of connection parts between the first housing 100 and the second housing 200 and the number of connection parts between the decorative shell 300 and the second housing 200 are mainly designed corresponding to the overall size of the housing assembly.

In some embodiments, the mounting seat and the expansion component 2 are of an integrated structure. Specifically, the mounting seat and the expansion component 2 are an integral component, and the expansion component 2 is directly formed on the mounting seat, thereby making the connection strength between the mounting seat and the expansion component 2 higher. And in actual use, there is no need to additionally assemble the expansion component 2 with the mounting base, which is convenient for operators to use.

Among them, in order to facilitate the connection between the bolt 3 and the expansion component 2, a first mounting hole 12 can also be provided on the mounting base. The first mounting hole 12 is coaxial and connected with the threaded through hole, and the bolt 3 passes through it. The first mounting hole 12 is threadedly connected in the threaded through hole. Specifically, the bolts 3 pass through the mounting holes 201 and the first mounting holes 12 in sequence and are connected to the threaded through holes, and in the process of tightening the bolts 3, the second housing 200 can be tightly attached to the mounting base 1 to increase the positioning support contact surface of the second housing 200, thereby improving connection reliability.

As for the mounting seat and the expansion component 2 of an integrated structure, the mounting portion 21 is integrally fixedly installed on the mounting seat, and as for the expansion portion 22, it needs to be movable relative to the fixed limiting portion 11. , then the expansion part 22 is suspended on the mounting base.

In another embodiment, the mounting seat and the expansion component 2 are of separate structure. Specifically, in order to facilitate the installation of the expansion component 2 on the mounting base, a second mounting hole (not shown) may be provided on the mounting base, and the mounting portion 21 is disposed in the second mounting hole. For example, the second mounting hole is a threaded through hole, and the outer circumference of the mounting portion 21 is formed with external threads, so that the mounting portion 21 can be threadedly connected in the second mounting hole. At the same time, the second mounting hole will be coaxial and connected with the threaded through hole.

As a preferred embodiment, in order to enable the two expansion parts 22 to be reliably pushed open and expanded by the bolt 3, a groove 221 is formed on the opposite surfaces of the two expansion parts 22, and the depth and/or width of the groove 221 are along the distance away from the installation part. The direction of 21 gradually becomes smaller. Specifically, a channel for the bolt 3 to enter is formed between the two oppositely arranged grooves 221 of the two expansion parts 22. During the tightening process of the bolt 3, the bolt 3 enters between the two expansion parts 22 and moves along the groove 221. Since the depth and/or width of the groove 221 gradually decreases in the direction away from the mounting part 21, after the bolt 3 continues to extend between the two expansion parts 22, the two expansion parts 22 expand outward at the same time. .

In a certain embodiment, in order to improve the connection reliability, a connection part 121 may be provided between the free ends of the two expansion parts 22. Specifically, the connection part 121 is connected to the free ends of the two expansion parts 22. In this way, when force is applied to the expansion portion 22 through the bolt 3, the free ends of the two expansion portions 22 will not be displaced, and the deformation amount will occur in the middle area of the expansion portion 22, so that the expansion portion 22 can The ribs 101 exert a more uniform clamping force.

In some embodiments, in order to improve the clamping reliability of the rib plate 101 , tooth structures are respectively provided on the opposite surfaces of the fixed limiting portion 11 and the expansion portion 22 . Specifically, the fixed limiting part 11 is provided with a first tooth structure 10, and the expansion part 22 is provided with a second tooth structure 220. After the rib plate 101 is clamped by the fixed limiting part 11 and the expansion part 22, both sides of the rib plate 101 The first tooth structure 10 and the second tooth structure 220 can undergo a certain amount of deformation due to extrusion, so that the first tooth structure 10 and the second tooth structure 220 are more closely attached to the rib plate 101 . At the same time, the first tooth structure 10 and the second tooth structure 220 arranged on both sides of the rib plate 101 can apply pressure to the rib plate 101 uniformly along the length direction of the rib plate 101, thereby more effectively improving the connection reliability.

In another embodiment, regarding the structural form of the mounting base 1 and the expansion component 2, the fixed limiting portion 11 provided on the mounting base 1 has a plate-like structure as a whole, and the expansion component 2 as a whole can adopt the structure of an expansion tube. There is no restriction on this.

In one embodiment, in order to facilitate the operator to quickly complete the connection and assembly between the decorative shell and the second shell 200 on site, a first snapping portion is provided on the inner wall of the decorative shell 300, and the second shell 200 The outer wall is provided with a second clamping part, and the first clamping part and the second clamping part are clamped together.

Specifically, through the mutual cooperation of the first snap-in part and the second snap-in part, the decorative shell 300 can be assembled on the second housing 200 quickly and conveniently.

At the same time, due to the snap-on method, the snap-on connection part is blocked by the decorative shell 300 to optimize the appearance effect.

In some embodiments, there are multiple structural forms for the specific embodiments of the first clamping part and the second clamping part. The following examples illustrate.

The first engaging part includes a claw 301, the second engaging part includes a engaging groove 202, and the engaging claw 301 is engaged in the engaging groove 202.

Specifically, when the decorative shell 300 and the second shell 200 are snap-fitted and connected, the claws 301 will be clamped into the slot 202, and the claws 301 and the slot 202 will cooperate with each other, so that the decorative shell 300 and the second shell 200 are connected. The housings 200 are connected together.

In order to improve the connection strength, the first clamping part further includes an insertion tongue 302, and the second clamping part further includes a positioning groove 203, and the insertion tongue 302 is inserted into the positioning groove 203.

Specifically, during assembly, the insert tongue 302 will first be inserted into the positioning groove 203 to pre-position the decorative shell 300 and the second housing 200, and then the claws 301 will be stuck in the slot 202 to complete the decorative shell 300. Assembly with the second housing 200 .

The opening directions of the positioning groove 203 and the clamping groove 202 are arranged in opposite directions. In this way, the connection portion formed by the insertion tongue and the slot 202 and the connection portion formed by the insertion tongue 302 and the positioning groove 203 cooperate with each other, so that the decorative shell 300 can be installed and fixed on the outer wall of the second housing 200 more firmly and reliably. superior.

In another embodiment, since the claw 301 and the plug tongue 302 are both located on the inner wall of the decorative shell 300, during assembly, the inner wall of the decorative shell 300 and the outer wall of the second housing 200 cooperate with each other, making it difficult for the operator to remove the plug. The tongue 302 is accurately inserted into the positioning groove 203.

To this end, a first guide chute 204 and a second guide chute 205 can be provided on the outer surface of the second housing. The first guide chute 204 extends to the card slot 202 and the second guide chute 205 extends to to positioning groove 203.

Specifically, during assembly, the operator can first place the claw 301 in the first guide chute 204 and at the same time dispose the insertion tongue in the second guide chute 205 .

Then, the operator will slide the decorative shell 300 along the first guide chute 204 and the second guide chute 205, so that the inserting tongue 302 is accurately inserted into the positioning groove 203, and finally the claw 301 is stuck in the latching groove 202. middle.

Under the guidance of the first guide chute 204 and the second guide chute 205, the guide chute can cooperate with the insertion tongue 302 and the claw 301 to guide the decorative shell 300 to slide.

Furthermore, in the initial stage of installation, the decorative shell 300 and the second housing 200 can be far apart to facilitate the operator to observe the positions of the claws 301 and the inserting tongue 302, thereby ensuring that the claws 301 and the inserting tongue 302 are accurately placed in the corresponding positions. in the guide chute.

Then, during the sliding process along the guide chute, the distance between the decorative shell 300 and the second housing 200 gradually becomes smaller. The operator relies on the guiding function of the guide chute to ensure that the insertion tongue 302 is inserted into the position first. in slot 203.

Finally, the claw 301 is stuck in the slot 202, so that the decorative shell 300 and the second shell 200 are firmly connected together.

In another embodiment, in order to facilitate the positioning and assembly of the first housing 100 and the second housing 200 , a groove 103 may be provided on the rib 101 , and the edge of the second housing 200 is caught in the groove 103 .

Specifically, during the process of assembling the first housing 100 and the second housing 200, the edge of the second housing 200 can be first inserted into the groove 103, so that the first housing 100 and the second housing 200 pre-assembled together.

Then, the relative position between the first housing 100 and the second housing 200 is adjusted so that the mounting hole 201 is aligned with the threaded through hole.

Finally, the bolts are passed through the mounting holes 201 and threaded in the threaded through holes, so that the first housing 100 and the second housing 200 are firmly and reliably assembled together.

Among them, in order to accurately position the positional relationship between the first housing 100 and the second housing 200 to improve assembly accuracy. A step surface 104 may be provided on the inner wall of the first housing 100 , and a positioning rib 206 may be provided on the outer wall of the second housing 200 . The positioning rib 206 abuts against the step surface 104 .

Specifically, during the process of assembling the first housing 100 and the second housing 200, refer to the above-mentioned pre-positioning process through the groove 103, so that the first housing 100 and the second housing 200 are pre-assembled together. At the same time, after the edge of the second housing 200 is inserted into the groove 103, the positioning ribs 206 on the second housing 200 will abut against the step surface 104, thereby making the first housing 100 and the second housing 200 between accurate positioning to improve the overall assembly quality of the housing components.

In a preferred embodiment, in order to further improve the connection reliability, a shield 207 extending to the outside may be provided on the edge of the second housing 200 . Specifically, during assembly, the assembly auxiliary module 400 can be assembled on the second housing 200 in advance, that is, the mounting base 1 is clamped in the mounting groove formed by the guard 207, and the expansion component 2 is installed on the mounting base 1 , the bolt 3 passes through the second housing 200 through the mounting hole 201 and is threaded in the threaded through hole. At this time, only the front end of the bolt 3 is threaded in the threaded through hole, so that the clamping space formed between the fixed limit part 11 and the expansion part 22 is larger to facilitate the operator to insert the rib plate 101 into the clamping space. middle. Then, adjust the position between the first housing 100 and the second housing 200 so that the ribs 101 are inserted into the clamping space and the edge of the shield 207 abuts against the inner wall of the first housing 100 . Finally, align the first housing 100 and the second housing 200 and tighten the bolts. At this time, on the one hand, the first housing 100 and the second housing 200 are connected together through the assembly auxiliary module 400; on the other hand, the shield 207 can support and position the first housing 100 and the second housing 200. Moreover, the shield 207 can also position and protect the auxiliary module for assembly, thereby improving the connection reliability.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still make modifications to the foregoing embodiments. Modifications are made to the recorded technical solutions, or equivalent substitutions are made to some of the technical features; however, these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions claimed by the present invention.

Claims (10)

1. A split housing, comprising:

the first shell is provided with a rib plate;

the second shell is provided with a mounting hole;

an auxiliary module for assembly, the auxiliary module for assembly comprising: the expansion device comprises a mounting seat, an expansion part and bolts, wherein two sides of the mounting seat are respectively provided with a fixed limiting part; the expansion component is provided with an installation part and two expansion parts arranged on the installation part, threaded through holes are formed in the installation part, the two expansion parts are oppositely arranged, the threaded through holes are positioned between the two expansion parts, the installation part is arranged on the installation seat, and the expansion component is positioned between the two fixed limiting parts;

a decorative shell;

the first shell and the second shell are in butt joint, the rib plates are located between the fixed limiting parts and the expansion parts which are oppositely arranged, the bolts penetrate through the mounting holes and are in threaded connection with the threaded through holes, the rib plates are clamped between the fixed limiting parts and the expansion parts at the corresponding sides, and the decorative shell is clamped on the second shell and covers the mounting holes;

in addition, the bolt is configured such that the expansion parts on both sides expand to both sides under the action of the bolt in the process of being inserted between the two expansion parts, and the expansion parts are configured to move toward the fixed limit part so that the second housing is tightly attached to the mounting seat and the rib plate is clamped between the fixed limit part and the expansion parts.

2. The split housing of claim 1, wherein the mount is of unitary construction with the expansion member.

3. The split housing of claim 2, wherein the mounting base is provided with a first mounting hole coaxial with and in communication with the threaded through hole.

4. The split housing of claim 2, wherein the expansion portion is suspended from the mount.

5. The split housing of claim 1, wherein the mount and the expansion member are of a split construction.

6. The split housing according to claim 1, wherein a connecting portion is provided between free end portions of the two expansion portions.

7. The split type casing as claimed in claim 1, wherein the inner wall of the decorative case is provided with a first clamping portion, the outer wall of the second case is provided with a second clamping portion, and the first clamping portion and the second clamping portion are clamped together.

8. The split housing according to claim 7, wherein the first clamping portion includes a claw and an insertion tongue, the second clamping portion includes a clamping groove and a positioning groove, the claw is clamped in the clamping groove, the insertion tongue is inserted in the positioning groove, and the positioning groove and the opening direction of the clamping groove are arranged back to back.

9. The split housing of claim 8, wherein the outer surface of the second housing is provided with a first guide runner and a second guide runner, the first guide runner extending to the clamping slot and the second guide runner extending to the positioning slot.

10. The split type shell according to claim 1, wherein a groove is formed in the rib plate, the edge of the second shell is clamped in the groove, a step surface is formed in the inner wall of the first shell, and a positioning rib is arranged on the outer wall of the second shell and abuts against the step surface.