CN219644398U

CN219644398U - Noise reduction tool

Info

Publication number: CN219644398U
Application number: CN202320952571.XU
Authority: CN
Inventors: 田泸森; 李亚毅
Original assignee: Ingeek Information Security Consulting Associates Co ltd
Current assignee: Ingeek Information Security Consulting Associates Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-09-05
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to the technical field of vibration reduction and noise reduction, and provides a noise reduction tool which is used for accommodating a circuit board, wherein the circuit board is provided with a positioning hole and comprises an upper shell and a lower shell. The lower shell comprises a positioning column and a support column, the positioning column comprises a plug-in connection part and a support part, the plug-in connection part is in plug-in connection with the positioning hole, the support part can be abutted with one side end face of the circuit board, the support column and the positioning column are arranged at intervals, the support column can be abutted with one side end face of the circuit board, and a buffer cushion is arranged on the abutting face of the support column; the upper shell is connected with the lower shell through a buckle, the upper shell comprises an elastic supporting rod, the elastic supporting rod can be abutted to the end face of the other side of the circuit board, and the circuit board is enabled to have a trend of moving towards the side where the lower shell is located. So set up, carry out circumference spacing through the cooperation of locating hole and reference column, carry out its thickness direction's spacing to the circuit board through elastic support pole and support column, avoid the circuit board to collide with the casing, and extensive applicability.

Description

Noise reduction tool

Technical Field

The utility model relates to the technical field of vibration reduction and noise reduction, in particular to a noise reduction tool.

Background

Circuit boards, which are capable of integrating numerous electronic components, are used in various fields as the primary carrier for control units. However, since the electronic component is liable to generate static electricity on its peripheral side during operation, dust is often attached if it is exposed to the outside, and dust affects heat dissipation thereof, resulting in overheating of the circuit and failure.

Thus, generally, the circuit board is often placed in a relatively enclosed housing to provide a relatively clean operating environment.

When the circuit board is the control unit of an automobile or other carriers, the carrier is easy to bump in the driving process, so that the circuit board is continuously collided with the shell in the shell, the circuit board is easy to damage in the collision process because of low general strength, and the noise generated in the frequent collision process also affects the user experience.

Therefore, a noise reduction tool is needed to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a noise reduction tool which can fix a circuit board in a shell, and when the shell is subjected to external force, the circuit board is not collided with the shell.

To achieve the purpose, the utility model adopts the following technical scheme:

the frock of making an uproar falls for accomodate the circuit board, the locating hole has been seted up to above-mentioned circuit board, and above-mentioned frock of making an uproar falls includes:

the lower shell comprises a positioning column and a support column, wherein the positioning column comprises a plug-in connection part and a support part, the plug-in connection part is in plug-in connection with the positioning hole, the support part can be in butt joint with one side end surface of the circuit board, the support column and the positioning column are arranged at intervals, the support column can be in butt joint with one side end surface of the circuit board, and a cushion pad is arranged on the butt joint surface of the support column;

the upper shell is connected with the lower shell through a buckle, the upper shell comprises an elastic supporting rod, the elastic supporting rod can be abutted against the end face of the other side of the circuit board, and the circuit board has a trend of moving towards the side where the lower shell is located.

As a preferable technical scheme of the noise reduction tool, the lower shell further comprises a first accommodating box, the supporting portion of the positioning column is fixedly connected with the first accommodating box, and the inserting portion is detachably connected with the supporting portion.

As a preferable technical scheme of the noise reduction tool, the lower shell is at least provided with three support columns, and the support columns are distributed at intervals in a triangle shape.

As a preferable technical scheme of the noise reduction tool, when the upper shell is buckled with the lower shell, the acting force of the support column on the circuit board and the acting force of the elastic support rod on the circuit board act on the same straight line.

As a preferable technical scheme of the noise reduction tool, the upper shell and the lower shell are buckled along a first direction, wherein a male buckle is arranged on the inner peripheral wall of one of the upper shell and the lower shell, a female buckle is correspondingly arranged on the inner peripheral wall of the other of the upper shell and the lower shell, and the male buckle and the female buckle are in plug-in fit along a second direction;

the first direction is perpendicular to the second direction.

As a preferable technical scheme of the noise reduction tool, the upper shell or the lower shell provided with the female buckle is further provided with a pressing portion on an outer side wall thereof, the pressing portion is provided with a groove, and a groove depth direction of the groove is consistent with the second direction.

As a preferable technical scheme of the noise reduction tool, the inner bottom wall of the lower shell is provided with reinforcing ribs.

As a preferable technical scheme of the noise reduction tool, a support pad is disposed on an end surface of the lower housing facing away from the upper housing.

As a preferred technical scheme of the noise reduction tool, the upper shell further comprises a second accommodating box, the elastic supporting rod comprises a connecting portion, an adjusting portion and an abutting portion, the connecting portion is connected with the second accommodating box, the abutting portion is connected with the connecting portion through the adjusting portion, and the adjusting portion can be elastically deformed.

As a preferable technical scheme of the noise reduction tool, the second accommodating box is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding manner, and the connecting part of the elastic supporting rod is fixedly connected with the sliding block.

The utility model has the beneficial effects that:

through the locating hole of circuit board and the spliced cooperation of reference column of lower casing, carry out circumference spacing to the circuit board for the circumference side terminal surface of circuit board all does not contact with the circumference side terminal surface of last casing and lower casing, further, after last casing and lower casing lock, the circuit board is held along the thickness direction of circuit board to the support column of last casing's elastic support pole and lower casing, make two terminal surfaces of circuit board thickness direction and the terminal surface of last casing and lower casing not direct contact, so, when making an uproar frock receives external force and takes place the vibration, because the terminal surface of circuit board and frock all does not take place to contact, the sound that has avoided both to collide promptly.

Further, the noise reduction tool is used for limiting the circumference of the circuit board through the positioning holes and the positioning columns, so that the tool is not limited to the circumferential size and shape of the circuit board, and is limited to the thickness direction of the circuit board through the elastic support rods and the support columns. The noise reduction tool can be adapted to circuit boards with more models.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is an exploded view of a noise reduction tool provided by an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a noise reduction tool provided by an embodiment of the utility model;

FIG. 3 is an exploded view of a lower housing provided by an embodiment of the present utility model;

fig. 4 is an exploded view of an upper case provided in an embodiment of the present utility model.

In the figure:

100. a circuit board; 101. positioning holes;

10. a lower housing; 11. positioning columns; 111. a plug-in part; 112. a support part; 12. a support column; 13. a first accommodation case; 14. a female buckle; 15. reinforcing ribs;

20. an upper housing; 21. an elastic support rod; 22. a male buckle; 23. and a second accommodating case.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, L1 is the first direction.

As shown in fig. 1 to 4, the present utility model provides a noise reduction tool for accommodating a circuit board 100, where the circuit board 100 is provided with a positioning hole 101, and the noise reduction tool includes an upper housing 20 and a lower housing 10. The lower casing 10 includes a positioning column 11 and a support column 12, the positioning column 11 includes a plugging portion 111 and a supporting portion 112, the plugging portion 111 is plugged and matched with the positioning hole 101, the supporting portion 112 can be abutted with one side end surface of the circuit board 100, the support column 12 is arranged at intervals with the positioning column 11, the support column 12 can be abutted with one side end surface of the circuit board 100, and a buffer pad is arranged on the abutting surface of the support column 12; the upper casing 20 is connected with the lower casing 10 through a buckle, the upper casing 20 comprises an elastic supporting rod 21, the elastic supporting rod 21 can be abutted against the end face of the other side of the circuit board 100, and the circuit board 100 has a tendency of moving towards the side where the lower casing 10 is located.

Specifically, when the tooling assembly is performed, the positioning hole 101 of the circuit board 100 is aligned with the plugging portion 111 of the positioning column 11 and plugging is completed, at this time, the circuit board 100 is supported by the support column 12 and the support portion 112 of the positioning column 11, then the upper shell 20 and the lower shell 10 are buckled, the elastic support rod 21 is firstly contacted with the circuit board 100, along with the approach of the upper shell 20 to one side of the lower shell 10, the elastic support rod 21 is elastically deformed, and meanwhile, pressure is applied to the circuit board 100, so that the circuit board 100 moves to the side of the lower shell 10, and after the buckling is locked, the upper shell 20 and the lower shell 10 are buckled.

Through the locating hole 101 of circuit board 100 and the spliced cooperation of reference column 11 of lower casing 10, carry out circumference spacing to circuit board 100 for circuit board 100's week side terminal surface and last casing 20 and the week side terminal surface of lower casing 10 all do not contact, further, after last casing 20 and lower casing 10 lock, the elastic support pole 21 of last casing 20 and the support column 12 of lower casing 10 hold circuit board 100 along circuit board 100's thickness direction, make circuit board 100 thickness direction's two terminal surfaces and the terminal surface of last casing 20 and lower casing 10 do not direct contact, so, when making an uproar frock falls and receives external force and take place the vibration, because circuit board 100 all does not take place to contact with the terminal surface of frock, sound that produces when having avoided both to collide promptly.

Further, in this embodiment, the noise reduction tool performs circumferential limitation of the circuit board 100 through the positioning hole 101 and the positioning post 11, so that the tool does not need to limit the circumferential dimension and shape of the circuit board 100, and performs limitation of the thickness direction of the circuit board 100 through the elastic support rod 21 and the support post 12, and further the tool does not have limitation on the thickness dimension of the circuit board 100 because the elastic support rod 21 can elastically deform. So that the noise reduction tooling can be adapted to more models of circuit boards 100.

It should be noted that, in order to complete the assembly of the tooling, the size of the circuit board 100 at least accords with the size that the circuit board can be put into the lower housing 10, and the buckling of the upper housing 20 and the lower housing 10 is not affected.

Optionally, the lower housing 10 further includes a first accommodating box 13, the supporting portion 112 of the positioning post 11 is fixedly connected with the first accommodating box 13, and the plugging portion 111 is detachably connected with the supporting portion 112. By the arrangement, the positioning column 11 can be adapted to positioning holes 101 with different sizes formed on circuit boards 100 with different types, and the plug-in parts 111 with similar axial sizes are replaced according to the corresponding aperture of the positioning holes 101.

Optionally, the lower housing 10 is provided with at least three support columns 12, and the support columns 12 are distributed at triangular intervals. So arranged, the circuit board 100 can be more stably placed in the lower case 10 by the support of the plurality of support columns 12, and the swing in the thickness direction is less likely to occur.

Alternatively, when the upper case 20 is engaged with the lower case 10, the force of the support column 12 on the circuit board 100 acts on the same straight line as the force of the elastic support rod 21 on the circuit board 100. By the arrangement, the elastic support rods 21 and the support columns 12 can be abutted against the two opposite sides of the same position of the circuit board 100, so that shearing force is prevented from being generated on the part of the circuit board 100, the circuit board 100 is broken, and the clamping reliability is improved.

Optionally, the upper casing 20 and the lower casing 10 are buckled along a first direction, wherein the inner peripheral wall of one of the upper casing and the lower casing is provided with a male buckle 22, and the inner peripheral wall of the other of the upper casing and the lower casing is correspondingly provided with a female buckle 14, and the male buckle 22 and the female buckle 14 are in plug-in fit along a second direction. So set up, realize the detachable connection between upper casing 20 and the lower casing 10, and the structure is relatively simple, and it is convenient to operate.

The first direction is perpendicular to the second direction.

For convenience of description, in this embodiment, the upper housing 20 is provided with a male buckle 22, and the lower housing 10 is provided with a female buckle 14.

Further, a guiding surface is disposed at one end of the female buckle 14 opposite to the lower housing 10, in the process of buckling, the male buckle 22 can enter the female buckle 14 along the guiding surface, and after the male buckle 22 and the female buckle 14 are locked, the two male buckles are abutted to each other along the first direction, so that the upper housing 20 and the lower housing 10 cannot be separated along the first direction.

Further, the peripheral side wall end surface of the upper casing 20 is provided with a first slot along the circumferential direction thereof, the lower casing 10 is correspondingly provided with a second slot, and when the upper casing 20 is buckled with the lower casing 10, the first slot is spliced with the second slot so as to limit the swing of the first casing and the second casing.

Optionally, the upper casing 20 or the lower casing 10 provided with the female buckle 14 is further provided with a pressing portion on the outer side wall thereof, the pressing portion is provided with a groove, and the groove depth direction of the groove is consistent with the second direction. Thus, when the locking state between the upper case 20 and the lower case 10 needs to be released, the groove provides a deformation space for the peripheral sidewall of the lower case 20 by pressing the pressing portion toward the inside of the case, so that the male buckle 22 is withdrawn from the female buckle 14 in the second direction, and the connection between the upper case 20 and the lower case 10 is released.

Optionally, the inner bottom wall of the lower case 10 is provided with a reinforcing rib 15. Thus, the strength of the lower case 10 is increased.

Further, the inner top wall of the upper case 20 may also be provided with reinforcing ribs 15.

Optionally, the end surface of the lower case 10 facing away from the upper case 20 is provided with a support pad. So set up, absorb partial impact through the support end, reduce the external force size that lower casing 10 received, and then reduce its vibration amplitude.

Further, the outer wall of the upper case 20 and/or the outer wall of the lower case 10 may be provided with a buffer material.

Optionally, the upper housing 20 further includes a second accommodating box 23, the elastic supporting rod 21 includes a connecting portion, an adjusting portion, and an abutting portion, the connecting portion is connected with the second accommodating box 23, the abutting portion is connected with the connecting portion through the adjusting portion, and the adjusting portion can be elastically deformed.

In this embodiment, the elastic supporting rod 21 is J-shaped, and the adjusting portion is pressed during the process of fastening the upper housing 20 and the lower housing 10, and is elastically deformed, so that the included angle between the abutting portion and the connecting portion is reduced, and after fastening, the adjusting portion presses the circuit board 100 against the abutting portion, so that the adjusting portion moves to the side of the supporting column 12. When the buckling is released, the elastic piece returns to deform.

In other embodiments, the adjusting portion is an elastic member, the abutting portion is slidably connected with the connecting portion, and two active ends of the elastic member are respectively connected with the abutting portion and the sliding portion, the elastic member is extruded during the process of fastening the upper housing 20 and the lower housing 10, and is elastically deformed, and after fastening, the elastic member abuts against the abutting portion to extrude the circuit board 100 to move to the side of the support column 12. When the buckling is released, the elastic piece returns to deform.

Further, the thickness of the assembled circuit board 100 is different, and the adjusting portion can adaptively adjust the deformation amount to fix the circuit board 100.

Furthermore, when the use environments are different, the pretightening force of the adjusting part is adjusted according to the magnitude of the received external force.

Since the circuit board 100 is provided with functional electronic components such as chips, which have weak strength, and are easily deformed or broken when pressed, in this embodiment, the second accommodating box 23 is provided with a sliding groove, a sliding block is slidably connected in the sliding groove, and the connecting portion of the elastic supporting rod 21 is fixedly connected with the sliding block. By this arrangement, the contact position between the elastic support bar 21 and the circuit board 100 can be flexibly changed by sliding connection, and avoidance of important electronic components can be performed.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. The frock of making an uproar falls for accomodate circuit board (100), locating hole (101) have been seted up to circuit board (100), its characterized in that falls the frock of making an uproar includes:

the lower shell (10), lower shell (10) includes reference column (11) and support column (12), reference column (11) include grafting portion (111) and supporting part (112), grafting portion (111) with locating hole (101) grafting cooperation, supporting part (112) can with one side terminal surface butt of circuit board (100), support column (12) with reference column (11) interval sets up, support column (12) can the butt in one side terminal surface of circuit board (100), just the butt face of support column (12) is provided with the blotter;

the upper shell (20), upper shell (20) with lower casing (10) are connected through the buckle, upper shell (20) include elastic support pole (21), elastic support pole (21) can the butt in opposite side terminal surface of circuit board (100), and make circuit board (100) possess to lower casing (10) place side removal's trend.

2. The noise reduction tool according to claim 1, wherein the lower housing (10) further comprises a first accommodating box (13), a supporting portion (112) of the positioning column (11) is fixedly connected with the first accommodating box (13), and the plugging portion (111) is detachably connected with the supporting portion (112).

3. The noise reduction tool according to claim 2, wherein the lower housing (10) is provided with at least three support columns (12), and the support columns (12) are distributed at triangular intervals.

4. The noise reduction tool according to claim 1, wherein when the upper housing (20) is fastened to the lower housing (10), the acting force of the support column (12) on the circuit board (100) and the acting force of the elastic support rod (21) on the circuit board (100) act on the same straight line.

5. The noise reduction tool according to claim 1, wherein the upper shell (20) and the lower shell (10) are buckled along a first direction, wherein a male buckle (22) is arranged on the inner peripheral wall of one of the upper shell and the lower shell, a female buckle (14) is correspondingly arranged on the inner peripheral wall of the other of the upper shell and the lower shell, and the male buckle (22) and the female buckle (14) are in plug-in fit along a second direction;

the first direction is perpendicular to the second direction.

6. The noise reduction tool according to claim 5, wherein the upper housing (20) or the lower housing (10) provided with the female buckle (14) is further provided with a pressing portion on an outer peripheral side wall thereof, the pressing portion is provided with a groove, and a groove depth direction of the groove is consistent with the second direction.

7. The noise reduction tool according to any one of claims 1-6, wherein the inner bottom wall of the lower housing (10) is provided with a reinforcing rib (15).

8. The noise reduction tool according to any one of claims 1-6, characterized in that the end surface of the lower housing (10) facing away from the upper housing (20) is provided with a support pad.

9. The noise reduction tool according to claim 1, wherein the upper housing (20) further comprises a second accommodating box (23), the elastic support rod (21) comprises a connecting portion, an adjusting portion and an abutting portion, the connecting portion is connected with the second accommodating box (23), the abutting portion is connected with the connecting portion through the adjusting portion, and the adjusting portion can be elastically deformed.

10. The noise reduction tool according to claim 9, wherein the second accommodating box (23) is provided with a sliding groove, a sliding block is slidably connected in the sliding groove, and the connecting portion of the elastic supporting rod (21) is fixedly connected with the sliding block.