CN215500096U - Module shell fastening structure - Google Patents

Abstract

The present invention relates to a module case fastening structure. The method comprises the following steps: a housing assembly and a deformable third housing. The lateral wall of the shell component is provided with a clamping piece, a deformable clamping piece is arranged on the third shell, the clamping piece is detachably clamped with the clamping piece, a gap is formed between the clamping piece and the mainboard circuit board, the clamping piece and the clamping part of the clamping piece are larger than the gap in size, when force in the horizontal direction is applied, the third shell deforms to drive the clamping piece to separate from the clamping piece until the clamping piece abuts against the mainboard circuit board, and when force in the vertical direction is applied, the clamping piece deforms to enable the clamping piece to separate from the clamping piece. The size of the clamping part is larger than the gap between the clamping part and the mainboard circuit board, so that the reliability of the connection between the third shell and the shell assembly is improved, and the convenience of disassembly between the third shell and the shell assembly is also brought.

Description

Module shell fastening structure

Technical Field

The utility model relates to the technical field of intelligent power utilization, in particular to a module shell fastening structure.

Background

Under different use scenes, the intelligent electric product needs to be correspondingly switched into different communication modes to work by the host. Therefore, the communication module is often required to be replaced to realize the switching of different communication modes, the communication module is fixed on the shell of the mainboard circuit board through the fastening shell structure, and after the module circuit board is contacted with the mainboard, the communication is conducted.

Among the prior art, there are two kinds of module shell fastening schemes, and one of them scheme is the fastening of tension, and the shell of module circuit board and the shell of mainboard circuit board pass through excessive complex assembly mode fixed connection promptly, and during this kind of fastening scheme was dismantled need insert the instrument groove of reserving when assembling through the screwdriver, unpack the buckle apart and realize dismantling. However, the housing structure of the motherboard circuit board is easily damaged, and the disassembly method is complicated. The other scheme is partly loose and tight, and unilateral power is applied to the buckle, so that the shell of the module circuit board can be detached, and the buckle connection mode can be detached simply and conveniently, but when the buckle connection mode is impacted by external force, the shell of the module circuit board and the fixed shell of the mainboard circuit board are easily loosened, so that communication abnormity is caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a module case fastening structure that can securely connect a module circuit board to a motherboard circuit board and is easy to detach and mount.

The utility model provides a module shell fastening structure for fixing a mainboard circuit board and a module circuit board, which comprises: the main board circuit board is partially positioned in the first accommodating space, and the rest part of the main board circuit board is positioned in the second accommodating space; the module circuit board is accommodated in the third shell and is in communicative and electric connection with the mainboard circuit board, and the third shell is detachably arranged in the second accommodating space; the lateral wall of the shell component is provided with a clamping piece, a deformable clamping piece is arranged on the third shell, the clamping piece is detachably clamped with the clamping piece, a gap is formed between the clamping piece and the mainboard circuit board, the clamping piece and the clamping part of the clamping piece are larger than the gap in size, when force in the horizontal direction is applied, the third shell deforms to drive the clamping piece to separate from the clamping piece until the clamping piece abuts against the mainboard circuit board, and when force in the vertical direction is applied, the clamping piece deforms to enable the clamping piece to separate from the clamping piece.

According to the arrangement, the size of the clamping part and the clamping part is larger than the gap between the clamping part and the mainboard circuit board, so that when the third shell is collided by the outside, the clamping part of the clamping part is supported by the mainboard circuit board and cannot be separated, and further the third shell and the shell assembly cannot be separated; only when a user applies force in the horizontal direction, the third shell deforms to drive the buckling piece to be separated from the clamping piece until the buckling piece abuts against the mainboard circuit board, and when force in the vertical direction is applied, the buckling piece deforms to separate the buckling piece from the clamping piece through the buckle, so that the third shell is separated from the shell assembly; therefore, the reliability of the connection between the third shell and the shell assembly is improved, and the convenience of detachment between the third shell and the shell assembly is also brought.

In an embodiment of the present invention, one of the clamping member and the fastening member is a protrusion, the other is a clamping groove, and the protrusion is used for being clamped in the clamping groove.

So set up, through setting up the arch at joint spare or buckle spare, another sets up to the joint cell body, can set up arch and joint cell body position according to different structure needs selectivity to promote this fastening structure's commonality.

In an embodiment of the utility model, the clamping piece is a protrusion formed from a side wall of the housing assembly toward the second accommodating space, the fastening piece is a clamping groove body formed by extending from the third housing toward the housing assembly, and the protrusion is clamped in the clamping groove body.

So set up, form protrudingly through the side with joint spare from casing assembly towards second accommodation space, the buckle spare is for the orientation of third casing the casing assembly extends the joint cell body that forms to simplify fastening structure, reduction in production manufacturing cost.

In an embodiment of the utility model, the clamping groove body includes an extension section and a fastening section, the extension section connects the fastening section with the third housing, and the fastening section is clamped with the protrusion.

So set up, through set up the extension section between buckle section and third casing to promote the easily deformable degree of third casing and buckle spare, convenient to use person's use.

In one embodiment of the utility model, the extension section comprises a bend.

So set up, set up the kink through extending the section to in extend section packing sealed glue and seal isolated steam, with the module circuit board in mainboard circuit board and the third casing that can protect in the casing subassembly.

In an embodiment of the present invention, the locking member is integrally formed with the third housing.

So set up, through with buckle spare and third casing integrated into one piece to promote buckle spare's reliability when can simplifying production manufacturing process.

In one embodiment of the present invention, the third housing is a plastic housing.

So set up, through setting up the third casing into the plastic shell to make the third casing have deformability, be convenient for third casing and housing assembly's lock and dismantlement.

In an embodiment of the present invention, the fastening member is a plastic member.

So set up, through setting up the buckle spare into the plastic part to make the buckle spare have deformability, be convenient for buckle spare and the buckle of joint spare with break away from.

In one embodiment of the present invention, the housing assembly includes a first housing and a second housing, the first housing and the second housing cooperate to form the first accommodating space and the second accommodating space, the first housing and the second housing are fixedly connected, and the motherboard circuit board is fixed to the second housing;

the clamping piece is arranged on the side wall of the first shell.

So set up, through inciting somebody to action mainboard circuit board is fixed in the second casing to promote the stability of the module circuit board through third casing fastening connection with mainboard circuit board's electricity when in casing assembly.

In one embodiment of the utility model, the first housing and the second housing are detachably and fixedly connected.

So set up, through with first casing and second casing detachably fixed connection to mainboard circuit board's change and maintenance.

Drawings

FIG. 1 is an exploded view of a module housing fastening arrangement in accordance with one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the embodiment of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a structural schematic diagram of the module housing fastening structure of FIG. 2 from another perspective;

fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Reference numerals: 10. a housing assembly; 11. a first housing; 111. a protrusion; 12. a second housing; 20. a third housing; 30. a fastener; 31. clamping the groove body; 311. an extension section; 3111. a bending section; 312. a buckle section; 40. a clamping piece; 41. a protrusion; 50. a first accommodating space; 60. a second accommodating space; 70. a main board circuit board; 80. a module circuit board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Under different use scenes, the intelligent electric product needs to be correspondingly switched into different communication modes to work by the host. Therefore, the communication module is often required to be replaced to realize the switching of different communication modes, the communication module is fixed on the shell of the mainboard circuit board through the fastening shell structure, and after the module circuit board is contacted with the mainboard, the communication is conducted.

In the prior art, two module shell fastening schemes exist, one scheme is over-tight fastening, the shell structure of the mainboard circuit board is extremely easy to damage, and the dismounting mode is complex. The other scheme is slightly loose and tight, and although the scheme can be simply and conveniently detached, when the module is impacted by external force, the shell of the module circuit board and the fixed shell of the mainboard circuit board are easily loosened, so that communication abnormity is caused.

In view of the above technical problems, the present invention provides a module housing fastening structure, which can firmly connect a module circuit board 80 to a motherboard circuit board 70 and is convenient to detach and install.

As shown in fig. 1, a module case fastening structure for fixing a motherboard circuit board 70 and a module circuit board 80 is provided in the present invention. The module shell fastening structure comprises a shell assembly 10, a third shell 20, a fastener 30 and a clamping member 40. Specifically, the housing assembly 10 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 cooperate to form a first accommodating space 50 and a second accommodating space 60, and the first housing 11 is fixedly connected to the second housing 12. Preferably, the first housing 11 and the second housing 12 are detachably and fixedly connected to facilitate replacement and maintenance of the motherboard circuit board 70. The main board circuit board 70 is fixed to the second housing 12, a part of the main board circuit board is located in the first accommodating space 50, and the other part of the main board circuit board 70 is located in the second accommodating space 60, so that the main board circuit board 70 is fixed to the second housing 12, and the stability of the electrical connection with the main board circuit board 70 when the module circuit board 80 is fastened and connected to the housing assembly 10 through the third housing 20 is improved.

In the present embodiment, the third housing 20 is deformable and detachably mounted in the second accommodating space 60. Preferably, the third casing 20 is a plastic casing, and the third casing 20 has good deformation capability by setting the third casing 20 as the plastic casing, so that the third casing 20 and the casing assembly 10 can be conveniently buckled and disassembled. The module circuit board 80 is accommodated in the third housing 20 and is electrically connected to the motherboard circuit board 70 in a communicable manner.

As shown in fig. 2 to fig. 3, a side wall of the first housing 11 of the housing assembly 10 is provided with a clamping member 40, a deformable fastening member 30 is arranged on the third housing 20, the fastening member 30 is detachably fastened to the clamping member 40, a gap is formed between the clamping member 40 and the motherboard circuit board 70, and a size of a fastening portion between the clamping member 30 and the clamping member 40 is larger than the gap, so that when a force in a horizontal direction is applied, the third housing 20 is deformed to drive the fastening member 30 to separate from the clamping member 40 until the fastening member 30 abuts against the motherboard circuit board 70, and when a force in a vertical direction is applied, the fastening member 30 is deformed to separate the fastening member from the clamping member 40.

It should be noted that, here, the size of the clamping portion between the fastener 30 and the fastener 40 means that when the fastener 30 and the fastener 40 are clamped, a part of the overlapping exists between the fastener 30 and the fastener 40, and the size of the part of the overlapping in the horizontal direction is the size of the clamping portion, or when the fastener 30 is clamped with the fastener 40, the fastener 40 is lapped on the fastener 30, and the size of the fastener 40 lapped on the fastener 30 in the horizontal direction is the size of the clamping portion between the fastener 30 and the fastener 40.

The size of the clamping part 30 and the clamping part 40 is larger than the gap between the clamping part 40 and the mainboard circuit board 70, so that when the third shell 20 is collided by the outside, the clamping part of the clamping part 30 is supported by the mainboard circuit board 70 and cannot be separated, and further the third shell 20 cannot be separated from the shell assembly 10. Therefore, only when the user applies a horizontal force to the third housing 20, the third housing 20 deforms to drive the locking member 30 to disengage from the locking member 40 until the locking member 30 abuts against the motherboard circuit board 70, and when the user applies a vertical force, the locking member 30 deforms to lock and disengage from the locking member 40, so that the third housing 20 and the housing assembly 10 are disengaged. With this arrangement, not only the reliability of the connection between the third housing 20 and the housing assembly 10 is improved but also the convenience of detachment between the third housing 20 and the housing assembly 10 is increased.

Further, the clamping member 40 is a protrusion 41 formed from the side wall of the housing assembly 10 toward the second accommodating space 60, the clamping member 30 is a clamping groove 31 formed by extending from the third housing 20 toward the housing assembly 10, and the protrusion 41 is clamped in the clamping groove 31. Specifically, the protrusion 41 has a square shape, and can form a fit with the catch groove 31. Through forming the protrusion 41 from the side of the housing assembly 10 toward the second accommodating space 60 with the clip 40, the clip 30 is a clip groove 31 formed by extending from the third housing 20 toward the housing assembly 10, so as to simplify the fastening structure and reduce the manufacturing cost. Preferably, the locking member 30 is a plastic member, and the locking member 30 is configured as a plastic member, so that the locking member 30 has a deformation capability, which facilitates the locking and releasing of the locking member 30 and the locking member 40. It is worth mentioning that the locking member 30 is integrally formed with the third housing 20. So that the reliability of the grommet 30 can be improved while simplifying the manufacturing process.

It can be understood that, the present invention does not limit the positions of the protrusion 41 and the latch slot 31, one of the latch 40 and the latch 30 is the protrusion 41, the other is the latch slot 31, the positions of the protrusion 41 and the latch slot 31 can be selectively set according to different structural requirements, and the protrusion 41 is used for latching in the latch slot 31. Meanwhile, the utility model does not limit the shapes of the bulge 41 and the clamping groove body 31, and the clamping of the clamping piece 40 and the clamping piece 30 can be realized.

As shown in fig. 2 to 5, the clip body 31 includes an extension 311 and a clip section 312, the extension 311 connects the clip section 312 with the third housing 20, and the clip section 312 is clipped with the protrusion 41. The extension portion 311 is disposed between the fastening portion 312 and the third casing 20 to increase the degree of easy deformation of the third casing 20 and the fastening member 30, which is convenient for a user to use.

Specifically, in order to make the latch 30 easily deformable, the wall thickness of the extension section 311 may be smaller than the wall thickness of the latch section 312 and the side wall of the third housing 20. It will be appreciated that the thinner the wall thickness of the extension 311, the more susceptible it is to deformation. The side of the extension 311 away from the motherboard circuit board 70 may also be provided with at least more than one reinforcing rib. Preferably, the number of the ribs is two, and the ribs are arranged in an extending manner to further enhance the strength of the extending section 311, thereby increasing the durability of the fastener 30.

Further, the extending section 311 further includes a bending portion 3111. The bending portion 3111 is disposed on the extending portion 311, and the bending portion 3111 is disposed on the extending portion 311, so that the extending end is filled with a sealant to seal and isolate moisture, and the motherboard circuit board 70 in the first housing 11 and the module circuit board 80 in the third housing 20 can be prevented from being damaged due to moisture intrusion. It is worth saying that, because of the sealing of the sealant, the firmness of the connection between the fastening member 30 and the fastening member 40 is also improved, and the separation of the first casing 11 and the third casing 20 caused by the separation of the fastening member 30 and the fastening member 40 is further avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A module case fastening structure for fixing a motherboard circuit board and a module circuit board, comprising:

the main board circuit board is partially positioned in the first accommodating space, and the rest part of the main board circuit board is positioned in the second accommodating space; and

the deformable third shell is accommodated in the third shell and is in communicative and electric connection with the mainboard circuit board, and the third shell is detachably arranged in the second accommodating space;

the lateral wall of the shell component is provided with a clamping piece, a deformable clamping piece is arranged on the third shell, the clamping piece is detachably clamped with the clamping piece, a gap is formed between the clamping piece and the mainboard circuit board, the clamping piece and the clamping part of the clamping piece are larger than the gap in size, when force in the horizontal direction is applied, the third shell deforms to drive the clamping piece to separate from the clamping piece until the clamping piece abuts against the mainboard circuit board, and when force in the vertical direction is applied, the clamping piece deforms to enable the clamping piece to separate from the clamping piece.

2. The module case fastening structure according to claim 1, wherein one of the clip and the clip is a protrusion, and the other is a clip groove, and the protrusion is used for being clipped in the clip groove.

3. The module case fastening structure according to claim 1, wherein the clip is a protrusion formed from a side wall of the case assembly toward the second receiving space, the clip is a clip groove formed from the third case toward the case assembly, and the protrusion is clipped in the clip groove.

4. The module case fastening structure according to claim 3, wherein the clip groove body includes an extension section and a clip section, the extension section connects the clip section with the third case, and the clip section is clipped with the projection.

5. The module case fastening structure according to claim 4, wherein the extension section includes a bent portion.

6. The module case fastening structure according to claim 3, wherein the snap is formed integrally with the third housing.

7. The module case fastening structure according to claim 3, wherein the third housing is a plastic housing.

8. The module case fastening structure according to claim 3, wherein the snap member is a plastic member.

9. The module case fastening structure according to claim 1, wherein the case assembly includes a first case and a second case, the first case and the second case cooperate to form the first accommodating space and the second accommodating space, the first case and the second case are fixedly connected, and the main board circuit board is fixed to the second case;

the clamping piece is arranged on the side wall of the first shell.

10. The module case fastening structure according to claim 9, wherein the first case and the second case are detachably fixedly connected.

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