CN210432266U - Circuit board locking mechanism - Google Patents
Circuit board locking mechanism Download PDFInfo
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- CN210432266U CN210432266U CN201920893879.5U CN201920893879U CN210432266U CN 210432266 U CN210432266 U CN 210432266U CN 201920893879 U CN201920893879 U CN 201920893879U CN 210432266 U CN210432266 U CN 210432266U
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- heat dissipation
- circuit board
- frame
- locking
- locking piece
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Abstract
The utility model provides a circuit board locking mechanism, which comprises a heat dissipation component and a locking box, wherein the heat dissipation component comprises a heat dissipation plate and heat dissipation fins, and the heat dissipation fins are neatly and uniformly arranged on the heat dissipation plate; the heat dissipation plate on the heat dissipation assembly is fixedly arranged on the locking box as a base, the locking box comprises a box frame, a sealing edge and an elastic supporting pad, the periphery of the box frame is provided with the box frame, and one side face of the box frame is provided with the heat dissipation assembly to form a rectangular storage bin body; the box frame comprises two long shaft frames which are arranged in parallel and two short shaft frames which are arranged in parallel, the two short shaft frames are respectively arranged at the end parts of the two long shaft frames which are arranged in parallel and are mutually vertical to the long shaft frames, and a storage bin body is formed together; the long shaft frame and the short shaft frame are both L-shaped structures, the bottom surfaces of the L-shaped structures extend outwards to form pressure pad installation parts, and the long shaft frame on one side and the short shaft frame on one side are connected through a compression connecting piece.
Description
Technical Field
The utility model relates to an installation fixing device of circuit board especially involves a circuit board locking mechanism.
Background
The circuit board is also called as a PCB board, which generally needs to be mounted on a mounting board, the circuit board in the prior art is mounted on the mounting board through screw connection, and when the mounting board and the circuit board are connected through screws, the common mounting manner cannot meet the requirements of some specific environments, and can only meet the conditions of superior environments.
Under the development of the existing economy, in order to save space and improve efficiency, shorter and shorter electronic elements are integrated by a large margin, and are not fixed in a welding or bolt fixing mode, but are produced in a paster mode, so that components are required to be tightly fastened to a mechanism of an electronic module, and vibration or shaking by a large margin can not be carried out.
In addition, electronic products are more and more widely applied, the circuit board is one of important components of the electronic products, a large number of electronic components are arranged on the circuit board, and a large number of electronic components are sensitive circuits. Although the production needs to be tested at the beginning, the image which changes under the long-term external environment cannot be guaranteed, and particularly, the problems of insufficient solder joint, looseness and the like caused by vibration and bump are solved.
To prevent stable mounting of electronic products, a frame (also referred to as a "rack") is typically provided, which is typically mounted on a seat plate of an equipment rack module. The seat plate mechanically supports the device and electrically connects the device into an electronic network.
Such electronic devices may be affected by vibrations. In order to reduce the influence of vibration on the electronic apparatus, a reinforcing member, a stiffener, or the like is generally provided to reinforce the apparatus. For example, the peripheral components of the printed circuit of the circuit board are provided with stiffening edges for reducing the deformations of the circuit board under vibrational stress, which deformations are particularly pronounced in critical areas susceptible to deformations and relative movements between the components. Such a reinforced edge ensures that the first natural frequency of the circuit board is sufficiently high to limit the circuit board from low frequency vibration stresses. However, with the development of science and technology, the demand for high-speed development of electronic products still needs to improve the vibration resistance of electronic equipment.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fixing device realizes the fixed to the circuit board, realizes the fixed of electronic components on the circuit board simultaneously, has solved and has jolted the emergence that causes the electron device rosin joint scheduling problem that drops because of vibrations, has solved above-mentioned problem.
In order to solve the above problem, the utility model provides a technical scheme as follows: a circuit board locking mechanism comprises a heat dissipation assembly and a locking box, wherein the heat dissipation assembly comprises a heat dissipation plate and heat dissipation fins, and the heat dissipation fins are neatly and uniformly arranged on the heat dissipation plate; the heat dissipation plate on the heat dissipation assembly is fixedly arranged on the locking box as a base, the locking box comprises a box frame, a sealing edge and an elastic supporting pad, the periphery of the box frame is provided with the box frame, and one side face of the box frame is provided with the heat dissipation assembly to form a rectangular storage bin body; the box frame comprises two long shaft frames which are arranged in parallel and two short shaft frames which are arranged in parallel, the two short shaft frames are respectively arranged at the end parts of the two long shaft frames which are arranged in parallel and are mutually vertical to the long shaft frames, and a storage bin body is formed together; the long shaft frame and the short shaft frame are both L-shaped structures, the bottom surfaces of the L-shaped structures extend outwards to form a pressure pad installation part, and the long shaft frame on one side and the short shaft frame on one side are connected through a compression connecting piece;
a locking piece assembly is further arranged between the two long shaft frames and comprises an upper locking piece, a middle locking piece, a lower locking piece and a locking rod, the upper locking piece and the middle locking piece are fixedly arranged on the outer side of the short shaft frame, the lower locking piece is arranged on the long shaft frame, and the locking rod penetrates through the upper locking piece, the middle locking piece and the lower locking piece;
the upper locking piece and the lower locking piece have the same structure and are both composed of nuts and right trapezoid structure blocks, and holes and internal threads matched with the screw rods penetrate through the right trapezoid on the inclined plane of the right trapezoid;
the utility model discloses a circuit board, including pressure pad installation department, elastic rubber pad is installed to the pressure pad installation department, fixed mounting on the elastic rubber pad the elastic support pad, be fixed with the circuit board on the elastic support pad, the sealed limit of circuit board passes through the elastic rubber pad realizes that no injury is fixed.
According to the preferred technical scheme, the bottom surface of the heat dissipation assembly is of a flat structure, a fixing clamp edge for mounting screws is reserved on the periphery of the heat dissipation assembly, and a notch convenient for operation and grabbing is further formed in the fixing clamp edge; the two ends of the radiating fin are of bevel edge structures, and the right-angle edge is provided with an arc chamfer.
According to the preferred technical scheme, the compression connecting piece is formed in an integral structure and is divided into two parts, one part is a right-angled trapezoid wedge-shaped structure, the other part is divided into three sections in the width direction, the first section is a connecting block with a triangular convex structure, and a mounting hole is formed in the connecting block; the second section is a vacant space which enables the embedding step to be embedded and connected; the third section is a linear connecting strip, and the tail end of the connecting strip is provided with a hole which has the same structure as the mounting hole and acts together with the mounting hole.
According to the preferred technical scheme, the lock rod is a screw rod, and the middle locking piece is of a cuboid structure which is matched with the screw rod, is provided with an internal thread and is provided with an opening at one side;
according to the preferable technical scheme, the circuit board locking mechanism is of a double-sided heat dissipation assembly and a box frame structure.
According to the preferable technical scheme, the circuit board is provided with an isolation belt, the isolation belt is a device avoiding area, and the plug-pull assembly on the circuit board is placed at the edge of the circuit board, namely outside the isolation belt.
The beneficial effects for prior art are that, adopt above-mentioned scheme, the utility model discloses simple structure, the shock resistance can be good, has solved the heat dissipation problem simultaneously, has avoided because of vibrations or the product quality problems such as not hard up, limit that the striking caused.
Drawings
For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the circuit board locking mechanism of the present invention;
fig. 2 is a schematic side view of the circuit board locking mechanism of the present invention;
fig. 3 is a side view of the latch assembly of the present invention;
fig. 4 is the schematic view of the structure of the compressing connector of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, an embodiment of the present invention is: a circuit board locking mechanism comprises a heat dissipation assembly 1 and a locking box 2, wherein the heat dissipation assembly 1 comprises a heat dissipation plate 3 and heat dissipation fins 4, the heat dissipation fins 4 are neatly and uniformly arranged on the heat dissipation plate 3, and heat dissipation holes are drilled in gaps among the heat dissipation fins 4 of the heat dissipation plate 3; the periphery of a heat dissipation plate 3 on the heat dissipation assembly 1 is fixed on the locking box 2 through screws, the locking box 2 comprises a box frame 5, a circuit board 6, a sealing edge 9 and an elastic supporting pad 7, the box frame 5 comprises two long shaft frames which are installed in parallel and two short shaft frames which are installed in parallel, the two short shaft frames of the box frame 5 are respectively arranged at the end parts of the two parallel long shaft frames and are perpendicular to the long shaft frames, the long shaft frames and the short shaft frames are both L-shaped structures, the bottom surfaces of the L-shaped structures extend outwards to form pressing pad installation parts, for better entry locking and connection between the long shaft frames and the short shaft frames, the long shaft frame on one side and the short shaft frame on one side are connected through pressing connecting pieces, and the pressing connecting pieces exist in pairs; the heat dissipation assembly 1 is fixed on the top of the box frame 5, and a closed box body structure is correspondingly formed by the heat dissipation assembly and the part on the pressure pad installation part. A locking piece component 8 is further arranged between the two long shaft frames, so that locking between the long shaft frames and the short shaft frames is realized, and looseness or non-existence on the same horizontal plane is avoided.
As shown in fig. 3, the locking assembly 8 includes an upper locking piece 12, a middle locking piece 11, a lower locking piece 10 and a locking rod 13, the upper locking piece 12 and the middle locking piece 11 are fixedly installed outside the short shaft frame, the lower locking piece 10 is installed on the long shaft frame, and the locking rod 13 penetrates through the upper locking piece 12, the middle locking piece 11 and the lower locking piece 10; the upper locking piece 12 and the lower locking piece 10 are identical in structure and both consist of a nut and a right trapezoid structure block, and a hole and an internal thread matched with the screw rod penetrate through the right trapezoid on the inclined surface of the right trapezoid; the locking lever 13 is a screw rod, and the middle locking piece 11 is of a cuboid structure which is matched with the screw rod and is provided with an internal thread and a single-side opening.
As shown in fig. 4, the compressing connecting piece is formed in an integral structure and is divided into two parts, one part is a right-angled trapezoid wedge-shaped structure, the other part is divided into three sections in the width direction, the first section is a connecting block with a triangular convex structure, and the connecting block is provided with a mounting hole; the second section is a vacant space which enables the embedding step to be embedded and connected; the third section is a linear connecting strip, and the tail end of the connecting strip is provided with a hole which has the same structure as the mounting hole and acts together with the mounting hole.
The circuit board 6 is provided with an isolation belt, the isolation belt is a device avoiding area, and the plug-pull assembly on the circuit board is placed at the edge of the circuit board 6, namely outside the isolation belt. The isolation strip can be an isolation insulation region and can also be a shielding layer.
The cushion installation department installs the elastic rubber pad, fixed mounting on the elastic rubber pad the elastic supporting pad 7, be fixed with circuit board 66 on the elastic supporting pad 7, the seal edge 9 of circuit board 6 passes through the elastic rubber pad realizes that no injury is fixed.
The periphery of the elastic rubber pad is matched with the structure of the box frame 5, the middle part of the elastic rubber pad is made of elastic rubber bodies with different convexities and concavities, and the elastic rubber bodies are connected with the surface mounted components on the circuit board 6.
Example 1
In certain environments where the pitch of motion is frequent, such as ships or mountain vehicles, it is inevitable to install corresponding scientific or applied equipment on the transportation devices for transportation and use, and some electronic equipment in the equipment certainly loses its own function in the pitch or impact, thus causing inconvenience for people to work and use.
To the circuit board 6 of single face subsides piece or installation components and parts, be equipped with the median on the circuit board 6, the structure of case frame 5 with the structure of median is similar on the circuit board 6, the degree of depth and the highest of case frame 5 components and parts highly match, according to the structure of circuit board 6, select to protect components and parts, components and parts can not whole protection, avoid causing the heat dissipation badly, and components and parts to the hem and the components and parts that need protect are fixed on corresponding fin 4 the elasticity colloid, the whole height of elasticity colloid and components and parts with the high matching of case frame 5, place the slope in order to place circuit board 6 simultaneously, still are equipped with the elasticity colloid that plays supporting role. The sealing edge 9 and the elastic supporting pad 7 are matched to fix the circuit board 6, and then the whole circuit board 6 locking mechanism is fixed at a corresponding position. The plug-pull components of the circuit board 6 are arranged on the periphery of the box frame 5, so that rapid connection is realized.
Example 2
The installation elasticity supporting pad 7 below the circuit board 6, the bellying of elasticity supporting pad 7 with need the protection components and parts contact or surround, be elastic adhesive tape strip connection between each lug of elasticity supporting pad 7, ensure heat dissipation and support position fixed. Realize the location support and spacing protection.
Example 3
The circuit board 6 is the setting of two-sided components and parts install respectively on the two-sided of circuit board 6 the case frame 5, at case frame 5 with install between the circuit board 6 elastic support pad 7 still installs radiator unit 1 simultaneously on case frame 5.
For better emergence circuit board locking mechanism's stromatolite relation corresponds the single face and pastes a structure, the last case frame that is equipped with of radiator unit installs the elastic support pad on the case frame, lay the circuit board on the elastic support pad, be equipped with the elastic rubber pad on the circuit board, place the sealed limit on the elastic rubber pad, radiator unit, case frame, elastic support pad, circuit board, elastic rubber pad and sealed limit all use screw fixed mounting, perhaps with fix with rivet, also can use corresponding other modes locking fixed equally.
To two-sided a structure of pasting, the last case frame that is equipped with of radiator unit installs the elasticity supporting pad on the case frame, lay the circuit board on the elasticity supporting pad, be equipped with on the circuit board with the device of circuit board symmetrical structure, elasticity supporting pad promptly, case frame, radiator unit.
It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A circuit board locking mechanism is characterized by comprising a heat dissipation assembly and a locking box, wherein the heat dissipation assembly comprises a heat dissipation plate and heat dissipation fins; the heat dissipation plate on the heat dissipation assembly is fixedly arranged on the locking box as a base, the locking box comprises a box frame, a sealing edge and an elastic supporting pad, the periphery of the box frame is provided with the box frame, and one side face of the box frame is provided with the heat dissipation assembly to form a rectangular storage bin body; the box frame comprises two long shaft frames which are arranged in parallel and two short shaft frames which are arranged in parallel, the two short shaft frames are respectively arranged at the end parts of the two long shaft frames which are arranged in parallel and are mutually vertical to the long shaft frames, and a storage bin body is formed together; the long shaft frame and the short shaft frame are both L-shaped structures, the bottom surfaces of the L-shaped structures extend outwards to form a pressure pad installation part, and the long shaft frame on one side and the short shaft frame on one side are connected through a compression connecting piece;
a locking piece assembly is further arranged between the two long shaft frames and comprises an upper locking piece, a middle locking piece, a lower locking piece and a locking rod, the upper locking piece and the middle locking piece are fixedly arranged on the outer side of the short shaft frame, the lower locking piece is arranged on the long shaft frame, and the locking rod penetrates through the upper locking piece, the middle locking piece and the lower locking piece;
the upper locking piece and the lower locking piece have the same structure and are both composed of nuts and right trapezoid structure blocks, and holes and internal threads matched with the screw rods penetrate through the right trapezoid on the inclined plane of the right trapezoid;
the utility model discloses a circuit board, including pressure pad installation department, elastic rubber pad is installed to the pressure pad installation department, fixed mounting on the elastic rubber pad the elastic support pad, be fixed with the circuit board on the elastic support pad, the sealed limit of circuit board passes through the elastic rubber pad realizes that no injury is fixed.
2. The circuit board locking mechanism according to claim 1, wherein the bottom surface of the heat dissipation assembly is a flat structure, a fixing clip edge for mounting screws is reserved on the periphery of the heat dissipation assembly, and a notch for facilitating operation and grabbing is further formed in the fixing clip edge; the two ends of the radiating fin are of bevel edge structures.
3. The circuit board locking mechanism according to claim 1, wherein the pressing connector is formed as a single piece and has two portions, one portion is a wedge-shaped structure with a right trapezoid shape, the other portion is three portions in the width direction, the first portion is a connecting block with a triangular protrusion structure, and the connecting block is provided with a mounting hole; the second section is a vacant space which enables the embedding step to be embedded and connected; the third section is a linear connecting strip, and the tail end of the connecting strip is provided with a hole which has the same structure as the mounting hole and acts together with the mounting hole.
4. The circuit board locking mechanism according to claim 1, wherein the locking bar is a screw rod, and the middle locking member is a rectangular parallelepiped structure which is matched with the screw rod and has an internal thread and a single-side opening.
5. The circuit board locking mechanism of claim 1, wherein the circuit board locking mechanism is a double-sided heat sink assembly and case frame structure.
6. The locking mechanism of claim 1, wherein the circuit board is provided with a spacer, the spacer is a device-avoiding area, and the plug-in component on the circuit board is disposed at an edge of the circuit board, i.e. outside the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893879.5U CN210432266U (en) | 2019-06-14 | 2019-06-14 | Circuit board locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893879.5U CN210432266U (en) | 2019-06-14 | 2019-06-14 | Circuit board locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210432266U true CN210432266U (en) | 2020-04-28 |
Family
ID=70375601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893879.5U Active CN210432266U (en) | 2019-06-14 | 2019-06-14 | Circuit board locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210432266U (en) |
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2019
- 2019-06-14 CN CN201920893879.5U patent/CN210432266U/en active Active
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