CN214266395U - Compound waterproof manadesma rifle main control storehouse - Google Patents
Compound waterproof manadesma rifle main control storehouse Download PDFInfo
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- CN214266395U CN214266395U CN202022910771.8U CN202022910771U CN214266395U CN 214266395 U CN214266395 U CN 214266395U CN 202022910771 U CN202022910771 U CN 202022910771U CN 214266395 U CN214266395 U CN 214266395U
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Abstract
The utility model discloses a composite waterproof fascia gun main control bin, which comprises a fascia gun body, wherein the main control bin is a control system of the fascia gun body and is arranged at the rear end of the fascia gun body; the device is characterized in that each part of the main control bin adopts a composite waterproof technology combining low-pressure injection molding, secondary encapsulation and secondary encapsulation, a sealed bin body is formed inside the main control bin through a low-pressure injection molding film layer, an encapsulation film layer and a face cover shell, and the pcb circuit board and components, a waterproof CD seat and the lower parts of keys arranged on the pcb circuit board are all positioned in the sealed main control bin; the main control cabin has good waterproof effect, and the waterproof grade reaches IP 68; the large-area injection molding is carried out on the pcb by adopting low pressure, the process is simple, the curing time is short, the cost is greatly reduced, the production efficiency is high, the yield is high, convenience is brought to a user, and economic benefits are brought to a manufacturer.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a manadesma rifle is waterproof, in particular to manadesma rifle master control storehouse waterproof.
[ background of the invention ]
The fascia gun is a soft tissue rehabilitation tool, relaxes the soft tissue of a body through high-frequency impact, has the effects of relieving pain, promoting blood circulation and the like, is used by more and more people, extends to water for use, and is used in water, the waterproof technology of a control system main control bin, a power supply system battery bin and a power system motor bin of the fascia gun is most important, and the current waterproof technology adopts encapsulation epoxy resin or coating sealant on the systems to achieve the waterproof effect; because the battery compartment and the motor compartment are arranged in the inner cavity of the shell, the shell is a whole, the sealing and waterproof effects can be achieved by adopting the mode, but the control system main control compartment is arranged at the rear end of the fascia gun, the keys are positioned on the back surface of the surface cover and directly contact with water, the sealing effect is poor by adopting the waterproof modes, the sealing effect is poor when the waterproof control system is used in water, particularly in deep water (such as diving movement), the sealing effect is worse under the action of water pressure, and the circuit board of the main control compartment cannot be used after water enters; and the cost of the encapsulating epoxy resin is high, the curing and drying time is as long as 24 hours, the process needs to be moved back and forth for clamping, the process cost is too high due to large-area encapsulating epoxy resin, the labor intensity is high, the curing time is long, the epoxy resin is liquid and has high liquidity, and in the curing process, the epoxy resin permeates into the sealed cabin along the gaps of the circuit board components and the gaps between the circuit board and the surface cover shell, the components and the movable structural parts in the sealed cabin are damaged, the product is poor, and the product qualification rate is low.
[ summary of the invention ]
The utility model relates to a compound waterproof manadesma rifle main control storehouse, the waterproof sealing technique in innovation main control storehouse can be in convenient use of aquatic to solve the defect in the above-mentioned background art.
A composite waterproof fascia gun main control bin comprises a fascia gun body, wherein the main control bin is a control system of the fascia gun body and is arranged at the rear end of the fascia gun body; the main control cabin comprises a face cover shell, a pcb circuit board, a low-pressure injection molding film layer, an encapsulation film layer, a key and a waterproof CD seat.
The pcb circuit board is fixedly arranged in the face cover shell through screws, a lead interface externally connected with a circuit is arranged on the pcb circuit board, a connector is arranged in the lead interface and is used for connecting the circuit with a motor bin and a battery bin of the fascia gun body, and components are arranged on two sides of the pcb circuit board; the low-pressure injection molding film layer covers the pcb circuit board, and the pcb circuit board and the inner wall of the face cover shell are seamlessly bonded into a whole during curing and molding of the low-pressure injection molding film layer to form a sealed low-pressure injection molding film layer; the encapsulation film layer is positioned in the lead interface, and the connector and the connecting wire in the lead interface are sealed through secondary encapsulation epoxy resin;
the key is positioned on the back surface of the face cover shell, a sealing ring is arranged on the key, and the sealing ring and the face cover shell are integrated through secondary encapsulation; the waterproof CD seat is arranged in a waterproof CD seat mounting hole of the surface cover shell, and after the waterproof CD seat is mounted, sealant is smeared at the edge of the mounting hole; the key, the waterproof CD seat and the surface cover shell form a seamless whole;
the low-pressure injection molding film layer, the encapsulation film layer and the face cover shell enable the interior of the main control bin to form a sealed bin body, and the pcb circuit board and the lower parts of components, the waterproof CD seat and the keys arranged on the pcb circuit board are all located in the sealed main control bin.
As a preferable scheme, the low-pressure injection molding film layer is formed by injecting the copolyamide hot-melt resin into a forming mold (the mold is preset and the position of a lead interface is reserved), the mold is positioned on the surface cover shell, and the copolyamide hot-melt resin is solidified on the pcb circuit board to form the low-pressure injection molding film layer in a low-pressure injection molding mode and covers the pcb circuit board; when the pcb circuit board is installed, the components on the back of the pcb circuit board are positioned in the component grooves in the face cover shell.
As a preferred scheme, a lead interface is arranged on the pcb circuit board, a connector is arranged in the lead interface, and the lead interface is connected with a battery bin and a motor bin of the fascia gun body through a connecting wire; inject epoxy into the mould in, the mould is located the lead wire interface, through secondary embedment mode, forms the embedment rete in the lead wire interface, all seals connector, connecting wire in the lead wire interface.
As a preferred scheme, the key is provided with a sealing ring, epoxy resin is injected into a die, and the key sealing ring and the surface cover shell are integrated into a whole in a secondary encapsulation forming mode.
As a preferred scheme, the back of the surface cover shell is provided with a key hole, a waterproof CD seat mounting hole and a screw mounting hole; element grooves are formed in the surface cover shell; the back of the face cover shell is provided with a film pasting layer.
Preferably, after the waterproof CD seat is installed, sealant is injected at the edge of the installation hole.
As a preferable scheme, a screw mounting hole is formed in the side surface of the face cover shell and is used for being fixedly connected with the fascia gun body.
The utility model has the advantages that:
1) a low-pressure injection molding film layer is formed between the pcb circuit board of the main control bin and the inner wall of the face cover shell in a low-pressure injection molding mode, so that the inner wall of the face cover shell and the pcb circuit board are seamlessly integrated, and the sealing and waterproof effects are obvious;
2) the lead interface adopts secondary encapsulation epoxy resin to form an encapsulation mold layer, and the lead interface and a connector in the lead interface are completely sealed;
3) the keys adopt secondary encapsulation epoxy resin, and the key sealing rings and the face cover shell are integrated;
the parts of the main control cabin of the utility model adopt the composite waterproof technology combining low-pressure injection molding, secondary encapsulation and secondary encapsulation, so that the main control cabin forms a sealed cabin, the whole main control cabin has good waterproof effect, and the waterproof grade reaches IP 68; the large-area injection molding is carried out on the pcb by adopting low pressure, the process is simple, the curing time is short, the cost is greatly reduced, the production efficiency is high, the yield is high, convenience is brought to a user, and economic benefits are brought to a manufacturer.
[ description of the drawings ]
Fig. 1 is a sectional view of the main control cabin of the utility model;
FIG. 2 is an exploded view of the main control cabin of the present invention;
FIG. 3 is an external view of the main control cabin of the present invention;
FIG. 4 is a schematic view of the inside of the cover case according to the present invention;
fig. 5 is a schematic view of the position of the main control cabin on the fascia gun according to the present invention.
Wherein: the multifunctional fascial gun comprises a 1-fascial gun body, 11-screw holes, 10-main control bins, an a-surface cover shell, an a 1-key hole, an a 2-waterproof CD seat mounting hole, an a 3-screw mounting hole, an a 4-element device groove, an a 5-film pasting layer, a b-pcb circuit board, a b 1-lead interface, a b 2-connector, a b 3-element, a c-low-pressure injection molding film layer, a d-encapsulation film layer, an e-key, an e 1-sealing ring, an f-waterproof DC seat, a g-screw and an h-connecting line.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1-5, a composite waterproof fascia gun main control cabin comprises a fascia gun body, wherein a main control cabin 10 is a control system of the fascia gun body 1 and is installed at the rear end of the fascia gun body 1; the main control bin 10 comprises a face cover shell a, a pcb circuit board b, a low-pressure injection molding film layer c, an encapsulation film layer d, a key e and a waterproof CD seat f.
The pcb circuit board b is fixedly arranged in the face cover shell a through a screw g, a lead interface b1 externally connected with a circuit is arranged on the pcb circuit board b, a connector b2 is arranged in the lead interface b1 and used for connecting a motor bin and a battery bin of the fascia gun body 1 through the circuit, and components b3 are arranged on two sides of the pcb circuit board b; the low-pressure injection molding film layer c covers the pcb circuit board b, and the pcb circuit board b and the inner wall of the surface cover shell a are bonded into a whole without a gap during curing and molding of the low-pressure injection molding film layer c to form a sealed low-pressure injection molding film layer c; the encapsulation film layer d is located in the lead interface b1, and the connector b3 and the connecting line h in the lead interface b1 are sealed through secondary encapsulation epoxy resin.
The key e is positioned on the back surface of the face cover shell a, a sealing ring e1 is arranged on the key e, and the sealing ring e1 and the face cover shell a are integrated through secondary encapsulation; the waterproof CD seat f is arranged in a waterproof CD seat mounting hole a2 of the surface cover shell, and after the waterproof CD seat f is mounted, sealant is smeared at the edge of the mounting hole; the key e, the waterproof CD seat f and the surface cover shell a form a seamless whole.
The low-pressure injection molding film layer c, the encapsulation film layer d and the surface cover shell a enable the interior of the main control bin 10 to form a sealed bin body, and the pcb circuit board b and the lower parts of the components b3, the waterproof CD seat f and the key e arranged on the pcb circuit board b are all located in the sealed main control bin 10.
As a preferable scheme, the low-pressure injection molding film layer c is formed by injecting the copolyamide hot-melt resin into a forming mold (the mold is preset, and the position of a lead interface is reserved), the mold is positioned on the surface cover shell a, and the copolyamide hot-melt resin is solidified on the pcb circuit board b in a low-pressure injection molding mode to form the low-pressure injection molding film layer c to cover the pcb circuit board b; when the pcb b is mounted, the component b3 on the back surface of the pcb b is located in the component groove a4 inside the front cover case a.
As a preferable scheme, a lead interface b1 is arranged on the pcb b, a connector b2 is arranged in the lead interface b1, and the lead interface b is connected with a battery bin and a motor bin of the fascial gun body 1 through a connecting wire h; epoxy resin is injected into a mold, the mold is positioned on the lead interface b1, a potting film layer d is formed in the lead interface b1 in a secondary potting mode, and the connector b2 and the connecting wire h are sealed in the lead interface b 1.
Preferably, a sealing ring e1 is arranged on the key e, epoxy resin is injected into a mold, and the key sealing ring e1 and the surface cover shell a are integrated through a secondary encapsulation molding mode.
As a preferable scheme, the back surface of the surface cover shell a is provided with a key hole a1, a waterproof CD seat mounting hole a2 and a side surface is provided with a screw mounting hole a 3; the surface cover shell a is internally provided with an element groove a 4; the back of the face cover shell a is provided with a film-sticking layer a 5.
Preferably, the waterproof CD seat f is installed in the waterproof CD seat installation hole a2, and after installation, sealant is injected at the edge of the installation hole.
Preferably, a screw mounting hole a3 is formed on a side surface of the face cover housing a for fixedly connecting with the fascial gun body 1.
The utility model discloses the sealed water repellent in master control storehouse: the main control cabin is used as a control system of the fascia gun, and the waterproof performance of the pcb circuit board is very important; the invention combines the processes of low-pressure injection molding, secondary encapsulation and secondary encapsulation, so that the main control cabin forms a completely sealed and waterproof sealed cavity, and the waterproof effect is obvious.
Low-pressure injection molding; the hot melt adhesive material (the hot melt adhesive material is copolyamide hot melt resin) is injected into a mold under very low injection pressure (between 1.5 and 40 bar) and is rapidly solidified, molded and encapsulated within a period of several seconds to several minutes, and the hot melt adhesive material is rapidly cooled and solidified, so that a pcb circuit board, components on the circuit board and the inner wall of a face cover shell are seamlessly fused together, the hot melt adhesive material is prevented from flowing into a bin body from a component gap of the pcb circuit board or a gap between the pcb circuit board and the inner wall of the face cover shell, and the pcb circuit board components and keys are protected; meanwhile, the hot melt adhesive material is rapidly cooled, and the protection of various components on the pcb circuit board is also realized; when the low pressure is moulded plastics, with hot melt adhesive material injection mould in, the mould press mold forms and forms the low pressure injection moulding rete at pcb circuit board and face lid casing inner wall, accomplishes the low pressure work of moulding plastics, simple process, the adoption low pressure of the large tracts of land on the pcb circuit board is moulded plastics, very big reduce cost.
The lead interface of the pcb is connected with the main body of the fascial gun through a connecting line, 1) the connecting line is connected with a lithium battery and a motor, the connecting line is not provided with a physical switch, the connecting line is electrified for a long time, and if the connecting line is welded, short circuit is easy to occur, and components in the main control bin are damaged; 2) the side surface of the surface cover shell is provided with a screw mounting hole for connecting the fascia gun body, the position of the screw mounting hole is lower than that of the lead interface, 2 areas with different heights are formed, if low-pressure injection molding is carried out, the hot melt liquid level is too high, the hot melt can flow out from the screw mounting hole, and the connecting line cannot be subjected to low-pressure injection molding, so that the lead interface cannot be subjected to low-pressure injection molding together with the pcb circuit board, a secondary filling and sealing process is required to be adopted, epoxy resin is injected into the mold, the mold injects the epoxy resin into the lead interface for pressure film molding, and the connector is sealed in the lead interface, so that the safety is free of hidden danger, and the process is simple; epoxy resin is encapsulated in a small area in the lead interface, the epoxy resin cannot flow and can only be cured and molded in the lead interface, and the lead interface is small in area and quick in curing time.
The keys on the back of the face cover shell are secondarily encapsulated, the sealing rings are arranged in the middle of the keys, and after the keys are installed, the sealing rings and the face cover shell are secondarily encapsulated, so that the sealing rings of the keys and the wall of the face cover shell form a whole, and the pressing of the keys is not influenced; after the waterproof DC seat is installed, sealant is smeared at the edge of the installation hole to prevent water, so that the surface cover shell is of a seamless integral structure.
According to the invention, the main control cabin is a completely sealed cabin body formed by the low-pressure injection molding film layer, the encapsulation film layer and the surface cover shell, the pcb circuit board is positioned in the sealed main control cabin and is completely isolated from the battery cabin and the motor cabin of the main body part of the fascial gun, the waterproof sealing effect is obvious, the waterproof sealing grade reaches IP68, the water pressure resistance is good, and the multifunctional fascial gun can be used 50 meters underwater.
The pcb circuit board adopts a low-pressure injection molding process, the low-pressure injection molding technology is more and more widely used in the current market, and the encapsulation technology are mature processes at present and are used in various industries; the applicant skillfully utilizes the combination of the existing low-pressure injection molding technology, the filling and sealing technology and the encapsulation technology, applies the technology to the field of fascia guns, quickly cools, solidifies and forms, has good sealing and waterproof effects, reduces the process flow, reduces the production cost, and has high production efficiency and good product quality.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the invention, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.
Claims (7)
1. The utility model provides a compound waterproof manadesma rifle main control storehouse, includes manadesma rifle body, and its main control storehouse is the control system of manadesma rifle body, installs the rear end at manadesma rifle body, its characterized in that: the main control bin comprises a face cover shell, a pcb circuit board, a low-pressure injection molding film layer, an encapsulation film layer, a key and a waterproof CD seat;
the pcb circuit board is fixedly arranged in the face cover shell through screws, a lead interface externally connected with a circuit is arranged on the pcb circuit board, a connector is arranged in the lead interface and is used for connecting the circuit with a motor bin and a battery bin of the fascia gun body, and components are arranged on two sides of the pcb circuit board; the low-pressure injection molding film layer covers the pcb circuit board, and the pcb circuit board and the inner wall of the face cover shell are seamlessly bonded into a whole during curing and molding of the low-pressure injection molding film layer to form a sealed low-pressure injection molding film layer; the encapsulation film layer is positioned in the lead interface, and the connector and the connecting wire in the lead interface are sealed through secondary encapsulation epoxy resin;
the key is positioned on the back surface of the face cover shell, a sealing ring is arranged on the key, and the sealing ring and the face cover shell are integrated through secondary encapsulation; the waterproof CD seat is arranged in a waterproof CD seat mounting hole of the surface cover shell, and after the waterproof CD seat is mounted, sealant is smeared at the edge of the mounting hole; the key, the waterproof CD seat and the surface cover shell form a seamless whole;
the low-pressure injection molding film layer, the encapsulation film layer and the face cover shell enable the interior of the main control bin to form a sealed bin body, and the pcb circuit board and the lower parts of components, the waterproof CD seat and the keys arranged on the pcb circuit board are all located in the sealed main control bin.
2. The composite waterproof fascia gun master control bin of claim 1, wherein; the components and parts on the back of the pcb circuit board are positioned in component grooves in the face cover shell.
3. The composite waterproof fascia gun main control cabin according to claim 1, wherein: the pcb is provided with a lead interface, a connector is arranged in the lead interface, and the lead interface is connected with a battery bin and a motor bin of the fascial gun body through a connecting wire; inject epoxy into the mould in, the mould is located the lead wire interface, through secondary embedment mode, forms the embedment rete in the lead wire interface, all seals connector, connecting wire in the lead wire interface.
4. The composite waterproof fascia gun main control cabin according to claim 1, wherein: the key is provided with a sealing ring, epoxy resin is injected into the die, and the key sealing ring and the face cover shell are integrated into a whole in a secondary encapsulation forming mode.
5. The composite waterproof fascia gun main control cabin according to claim 1, wherein: the back of the surface cover shell is provided with a key hole, a waterproof CD seat mounting hole and a screw mounting hole; element grooves are formed in the surface cover shell; the back of the face cover shell is provided with a film pasting layer.
6. The composite waterproof fascia gun main control cabin according to claim 1, wherein: the waterproof CD seat is installed in the waterproof CD seat installation hole, and sealant is injected into the edge of the waterproof CD seat installation hole after installation.
7. The composite waterproof fascia gun main control cabin according to claim 1, wherein: and the side surface of the face cover shell is provided with a screw mounting hole for being fixedly connected with the fascia gun main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910771.8U CN214266395U (en) | 2020-12-07 | 2020-12-07 | Compound waterproof manadesma rifle main control storehouse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910771.8U CN214266395U (en) | 2020-12-07 | 2020-12-07 | Compound waterproof manadesma rifle main control storehouse |
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| CN214266395U true CN214266395U (en) | 2021-09-24 |
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| CN202022910771.8U Active CN214266395U (en) | 2020-12-07 | 2020-12-07 | Compound waterproof manadesma rifle main control storehouse |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549433A (en) * | 2020-12-07 | 2021-03-26 | 深圳市新瑞科技有限公司 | Low-pressure injection molding, filling and sealing and rubber coating composite waterproof technology for main control cabin of fascial gun |
| CN115442994A (en) * | 2022-08-12 | 2022-12-06 | 广州华邦电器工业有限公司 | Waterproof encapsulation structure for electronic component packaging and injection molding production method thereof |
-
2020
- 2020-12-07 CN CN202022910771.8U patent/CN214266395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549433A (en) * | 2020-12-07 | 2021-03-26 | 深圳市新瑞科技有限公司 | Low-pressure injection molding, filling and sealing and rubber coating composite waterproof technology for main control cabin of fascial gun |
| CN115442994A (en) * | 2022-08-12 | 2022-12-06 | 广州华邦电器工业有限公司 | Waterproof encapsulation structure for electronic component packaging and injection molding production method thereof |
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