CN110418527B - Anti-dismantling structure and electronic device applying same - Google Patents
Anti-dismantling structure and electronic device applying same Download PDFInfo
- Publication number
- CN110418527B CN110418527B CN201810392941.2A CN201810392941A CN110418527B CN 110418527 B CN110418527 B CN 110418527B CN 201810392941 A CN201810392941 A CN 201810392941A CN 110418527 B CN110418527 B CN 110418527B
- Authority
- CN
- China
- Prior art keywords
- locking
- internal thread
- disassembly
- electronic device
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002265 prevention Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention provides a disassembly prevention structure, comprising: the first locking piece is provided with a first internal thread and a second internal thread, and the first internal thread and the second internal thread are arranged in a stepped structure; the second locking part comprises a locking part and a thread part which are connected with each other, the locking part is provided with a locking port, the thread part is provided with a through hole communicated with the locking port, the outer side of the thread part is provided with a first external thread, and a third internal thread is arranged in the through hole; and a removal prevention member provided with a removal prevention portion and a second external thread. The present invention also provides an electronic device, comprising: a bottom case; an upper cover; and the disassembly prevention structure. According to the anti-disassembly structure and the electronic device applying the anti-disassembly structure, the upper cover is fixed to the bottom shell through the first locking piece, the second locking piece and the forward and reverse thread structures of the anti-disassembly piece, the anti-disassembly piece is provided with the anti-disassembly part, the electronic device can be disassembled and assembled step by step through a special tool, the anti-disassembly structure is complex, and the anti-disassembly difficulty is high due to the staged disassembly and assembly.
Description
Technical Field
The invention relates to the technical field of anti-disassembly and anti-counterfeiting of electronic equipment, in particular to an anti-disassembly structure and an electronic device applying the anti-disassembly structure.
Background
In general, in the market, in order to prevent a user from disassembling a product by himself and causing a problem to the product, a manufacturer usually adopts the following two protection measures:
the first method is as follows: the anti-counterfeiting piece is arranged, the anti-counterfeiting or fragile sticker is attached to the head of the screw, the upper part of the screw hole or the interface where the upper shell and the lower shell are detached, and once a user opens the shell, the sticker can be damaged.
Mode two sets up prevents tearing open the structure, utilizes more rare screw head, perhaps needs special instrument just can tear the mode of casing apart, avoids the user to dismouting product by oneself.
However, the two anti-dismounting modes have simple structures, are easy to crack and have low anti-dismounting difficulty; the screw can be disassembled by simply rotating the screw by using the tool, and the disassembling steps are simple.
Disclosure of Invention
In view of the above, it is desirable to provide an anti-detachment structure with a complex structure, high anti-detachment difficulty, and multi-step detachment and an electronic device using the same.
In order to achieve the above object, a detachment prevention structure includes:
the first locking piece is provided with a first internal thread and a second internal thread, and the first internal thread and the second internal thread are arranged in a stepped structure;
the second locking part comprises a locking part and a thread part which are connected with each other, the locking part is provided with a locking port, the thread part is provided with a through hole communicated with the locking port, the outer side of the thread part is provided with a first external thread, and a third internal thread is arranged in the through hole; and
the anti-disassembly piece is provided with an anti-disassembly part and a second external thread;
the second locking part is screwed to the first locking part through the matching of the first external thread and the first internal thread, and the locking part abuts against the second internal thread; the anti-disassembly part penetrates through the locking port and is inserted into the through hole, and the second external thread is screwed with the third internal thread and the second internal thread in sequence to connect the first locking part and the second locking part.
Further, the first internal thread and the first external thread are both forward threads, and the second external thread, the second internal thread and the third external thread are all reverse threads.
Further, the locking port is in a regular polygonal shape.
Further, the anti-disassembly part is a plurality of concave holes, and the plurality of concave holes are all arranged at the end part of the anti-disassembly part.
The present invention also provides an electronic device, comprising:
a bottom case;
an upper cover; and
in the above anti-dismantling structure, the anti-dismantling structure connects the bottom case and the upper cover.
Furthermore, the bottom shell is provided with a fixing column, the upper cover is provided with a groove, the bottom wall of the groove is provided with a through hole, the first locking piece is installed on the fixing column, the second locking piece penetrates through the through hole and is screwed to the first locking piece, and the locking part abuts against the bottom wall of the groove to press the upper cover against the bottom shell, so that the upper cover is fixed to the bottom shell.
Further, the fixing column is provided with a fixing hole, and the first locking piece is installed in the fixing hole.
Furthermore, the fixing column is made of plastic materials, when the first locking piece is inserted into the fixing hole, the fixing hole is elastically deformed, so that the inner wall of the fixing hole and the first locking piece are mutually extruded, and the first locking piece is fixed in the fixing hole.
Furthermore, the upper cover is provided with a pressing part on the back of the groove, and the pressing part presses the fixing column and the first locking piece.
Therefore, according to the anti-disassembly structure and the electronic device applying the anti-disassembly structure provided by the invention, the upper cover is fixed to the bottom shell through the forward and reverse thread structures of the first locking piece, the second locking piece and the anti-disassembly piece, the first locking piece, the second locking piece and the anti-disassembly piece can be separated according to the correct rotation direction, otherwise, the connection among the first locking piece, the second locking piece and the anti-disassembly piece is more stable; prevent tearing open and be equipped with on the piece and prevent tearing open the portion, need just can dismouting electron device through special tool and substep, prevent tearing open the structure complicacy, moreover dismouting stage by stage, prevent tearing open the degree of difficulty height.
Drawings
Fig. 1 is a schematic diagram illustrating an explosive structure of an electronic device and a disassembling and assembling jig according to an embodiment of the invention, where the electronic device includes an anti-disassembling structure, and the anti-disassembling structure includes a first locking member, a second locking member, and an anti-disassembling member.
Fig. 2 is a schematic view of the electronic device and the detachable jig shown in fig. 1 at another angle.
Fig. 3 is a schematic structural view of the electronic device and the detachable jig shown in fig. 1 after assembly.
Fig. 4 is a schematic cross-sectional view of the electronic device and the dismounting jig shown in fig. 3 at the dismounting-preventing structure.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Fig. 1 and 2 are schematic views illustrating an exploded structure of an electronic device 200 to which the tamper evident structure 100 is applied according to an embodiment of the present invention. In the drawings, the electronic device 200 includes a bottom case 210, an upper cover 220, and a tamper evident structure 100 for securing the bottom case 210 and the upper cover 220 together. The anti-disassembly structure 100 includes a first locking member 110, a second locking member 120 and an anti-disassembly member 130, the first locking member 110 is fixed on the bottom case 210, the second locking member 120 is screwed with the first locking member 110 and presses the upper cover 220 against the bottom case 210, the anti-disassembly member 130 is screwed with the first locking member 110 and the second locking member 120 at the same time, and the anti-disassembly member 130 can be disassembled only by using the jig 300, thereby achieving the anti-disassembly purpose.
Specifically, the bottom case 210 is provided with a fixing column 211, a fixing hole 212 is formed in the fixing column 211, and the bottom case 210 and the fixing column 211 are made of plastic materials. The upper surface and the lower surface of the upper cover 220 at the same position are respectively provided with a groove 221 and a pressing part 223, the pressing part 223 is arranged on the surface of the upper cover 220 opposite to the groove 221, the bottom wall of the groove 221 is provided with a through hole 222 penetrating through the bottom wall of the groove 221 and the pressing part 223, and the inner diameter of the through hole 222 is smaller than that of the fixing hole 212. When the upper cover 220 is fastened to the bottom case 210, the pressing portion 223 faces the fixing post 211, and the through hole 222 and the fixing hole 212 are coaxial.
The first locking member 110 has a substantially cylindrical shape, and an outer diameter thereof is slightly larger than an inner diameter of the fixing hole 212 of the bottom housing 210 so as to be interference-fitted with the fixing hole 212. Threaded holes penetrating through two ends of the first locking member 110 are formed in the first locking member 110, and a first internal thread 111 and a second internal thread 112 are arranged on the inner wall of each threaded hole in a stepped structure. The first internal thread 111 and the second internal thread 112 are thread structures with different trends, and optionally, the first internal thread 111 is a forward thread, and the second internal thread 112 is a reverse thread.
The second locking member 120 includes a locking portion 121 and a threaded portion 122 connected to each other, the locking portion 121 has a cylindrical shape, and an end of the locking portion 121 away from the threaded portion 122 is provided with a locking opening 1211, the locking opening 1211 has a regular polygonal shape, and optionally, the locking opening 1211 has a regular hexagonal shape, and a hexagon socket wrench can be inserted into the locking opening 1211 to apply force to the locking portion 121. The outer side of the threaded portion 122 is provided with a first external thread 1221, the inner side is provided with a through hole 1222 communicated with the locking port 1211, and the inner wall of the through hole 1222 is provided with a third internal thread 1223. The first external thread 1221 is oriented to coincide with the first internal thread 111, so that the second locking member 120 is fixedly mounted to the first locking member 110 by screwing the first external thread 1221 and the first internal thread 111. The third internal thread 1223 and the second internal thread 112 run in the same direction.
The detachment prevention member 130 has a cylindrical shape, and the outer side thereof is provided with a second external thread 131, and one end thereof is provided with a detachment prevention portion 132, and the second external thread 131 has a direction identical to the second internal thread 112 and the third internal thread 1223 to be screwed with the second internal thread 112 and the third internal thread 1223, thereby fixing the detachment prevention member 130 to the first locking member 110 and the second locking member 120. The anti-detaching part 132 is a special-shaped structure, and can be mounted on the anti-detaching part 132 only by using a special dismounting jig 300, and then can apply force to the anti-detaching part 130 by using a tool. Optionally, the anti-disassembling part 132 is a plurality of concave holes uniformly distributed on the end of the anti-disassembling part 130, the jig 300 comprises a body 310, convex columns 320 and locking grooves 330 distributed on two ends of the body 310, the convex columns 320 are installed in the anti-disassembling part 132, and the screwdriver is used to act on the locking grooves 330 to apply force to the anti-disassembling part 130 through the jig 300.
The following describes the mounting and dismounting of the electronic device 200 to which the above-mentioned dismounting-preventing structure 100 is applied, with reference to fig. 1 to 4:
during installation, the first locking member 110 is inserted into the fixing hole 212 of the bottom case 210, and the fixing hole 212 is elastically deformed to press the inner wall of the fixing hole 212 and the first locking member 110, so that the first locking member 110 is fixed in the fixing hole 212; then, the upper cover 220 is fastened to the bottom case 210, and the through hole 222 of the upper cover 220 faces the threaded hole of the first locking member 110; then, the second locking member 120 passes through the through hole 222 of the upper cover 220 and abuts against the first locking member 110, an allen wrench is used to apply force to the locking portion 121, the second locking member 120 is rotated clockwise, the second locking member 120 is screwed to the first locking member 110, the locking portion 121 of the second locking member 120 abuts and presses against the bottom wall of the groove 221, the pressing portion 223 abuts and presses against the fixing column 211 and the first locking member 110, and the upper cover 220 abuts and presses against the bottom case 210; finally, the jig 300 is installed on the anti-detaching portion 132 of the anti-detaching member 130, the anti-detaching member 130 passes through the through hole 222 and abuts against the second locking member 120, the anti-detaching member 130 is rotated counterclockwise by using a screwdriver, the anti-detaching member 130 is sequentially screwed to the second locking member 120 and the first locking member 110, and the electronic device 200 can be installed after the jig 300 is removed.
When disassembling, the jig 300 is firstly installed on the disassembling prevention part 132 of the disassembling prevention member 130, and the disassembling prevention member 130 is rotated clockwise by using a screwdriver, so that the disassembling prevention member 130 is unscrewed from the first locking member 110 and the second locking member 120; then, the second locking member 120 is rotated counterclockwise using an allen key to unscrew the second locking member 120 from the first locking member 110; finally, the upper cover 220 is separated from the bottom case 210, so that the electronic device 200 can be disassembled.
Therefore, the anti-detach structure 100 and the electronic device 200 using the anti-detach structure 100 according to the present invention fix the upper cover 220 to the bottom case 210 through the forward and reverse screw structures of the first locking member 110, the second locking member 120 and the anti-detach member 130, and the first locking member 110, the second locking member 120 and the anti-detach member 130 need to be separated according to the correct rotation direction, otherwise, the connection among the first locking member 110, the second locking member 120 and the anti-detach member 130 is more stable, so as to increase the detachment difficulty; the anti-disassembly part 132 is arranged on the anti-disassembly part 130, the electronic device 200 can be disassembled and assembled only by the special jig 300 and step-by-step operation, the anti-disassembly structure is complex, and the anti-disassembly difficulty is high due to the staged disassembly and assembly.
It will be apparent to those skilled in the art that other corresponding changes and modifications can be made according to the actual needs created by the inventive arrangements and inventive concepts herein, and such changes and modifications are intended to fall within the scope of the appended claims.
Claims (7)
1. An electronic device, comprising:
the bottom shell is provided with a fixing column;
the upper cover is provided with a groove, and the bottom wall of the groove is provided with a through hole; and
prevent tearing open the structure, connect the drain pan with the upper cover, prevent tearing open the structure and include:
the first locking piece is arranged on the fixing column and provided with a first internal thread and a second internal thread, and the first internal thread and the second internal thread are arranged in a stepped structure;
the second locking part penetrates through the through hole and is screwed to the first locking part, the second locking part comprises a locking part and a threaded part which are connected with each other, the locking part is provided with a locking port, the threaded part is provided with a through hole communicated with the locking port, a first external thread is arranged on the outer side of the threaded part, and a third internal thread is arranged in the through hole; and
the anti-disassembly piece is provided with an anti-disassembly part and a second external thread;
wherein the locking portion is to abut against the bottom wall of the groove to press the upper cover against the bottom case, thereby fixing the upper cover to the bottom case,
the second locking piece is screwed to the first locking piece through the matching of the first external thread and the first internal thread, and the thread part abuts against the second internal thread; the anti-disassembly part penetrates through the locking port and is inserted into the through hole, and the second external thread is screwed with the third internal thread and the second internal thread in sequence to connect the first locking part and the second locking part.
2. The electronic device of claim 1, wherein the first internal thread and the first external thread are both forward threads, and the second external thread, the second internal thread, and the third internal thread are all reverse threads.
3. The electronic device of claim 1, wherein the locking notch has a regular polygonal shape.
4. The electronic device of claim 1, wherein the anti-detachment portion is a plurality of recesses, and each of the plurality of recesses is disposed at an end portion of the anti-detachment member.
5. The electronic device as claimed in claim 1, wherein the fixing post is provided with a fixing hole, and the first locking member is mounted in the fixing hole.
6. The electronic device of claim 5, wherein the fixing post is made of plastic, and when the first locking member is inserted into the fixing hole, the fixing hole is elastically deformed to press the inner wall of the fixing hole and the first locking member against each other, so as to fix the first locking member in the fixing hole.
7. The electronic device according to claim 1, wherein the upper cover is provided with a pressing portion on a back surface of the groove, and the pressing portion presses the fixing post and the first locking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392941.2A CN110418527B (en) | 2018-04-27 | 2018-04-27 | Anti-dismantling structure and electronic device applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392941.2A CN110418527B (en) | 2018-04-27 | 2018-04-27 | Anti-dismantling structure and electronic device applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110418527A CN110418527A (en) | 2019-11-05 |
| CN110418527B true CN110418527B (en) | 2021-04-20 |
Family
ID=68346804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810392941.2A Active CN110418527B (en) | 2018-04-27 | 2018-04-27 | Anti-dismantling structure and electronic device applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110418527B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177120Y (en) * | 1993-07-17 | 1994-09-14 | 张吉林 | Anti-loose, anti-theft fastening bolt |
| US5740685A (en) * | 1996-08-13 | 1998-04-21 | Lucent Technologies, Inc. | Security mechanism for a network interface unit |
| CN105041829A (en) * | 2015-08-25 | 2015-11-11 | 钟跃荣 | Lock nut and using method |
-
2018
- 2018-04-27 CN CN201810392941.2A patent/CN110418527B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177120Y (en) * | 1993-07-17 | 1994-09-14 | 张吉林 | Anti-loose, anti-theft fastening bolt |
| US5740685A (en) * | 1996-08-13 | 1998-04-21 | Lucent Technologies, Inc. | Security mechanism for a network interface unit |
| CN105041829A (en) * | 2015-08-25 | 2015-11-11 | 钟跃荣 | Lock nut and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110418527A (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7985040B2 (en) | Screw assembly | |
| US20100322738A1 (en) | Fastening apparatus | |
| US20080212293A1 (en) | Fixing device for securing circuit board to plate member | |
| US20110052344A1 (en) | Nut with locking assembly, and device using same | |
| CN110645257B (en) | Anti-dismantling electronic device | |
| US8556559B2 (en) | Connection assembly | |
| CN106523508B (en) | A kind of anti-drop bolt group and its assembly method | |
| JP6239696B1 (en) | Cable gland | |
| WO2024027644A1 (en) | Connecting assembly and connecting system | |
| CN110418527B (en) | Anti-dismantling structure and electronic device applying same | |
| TWI445888B (en) | Screw assembly | |
| CN104141930B (en) | Light fixture and its locker | |
| KR20050115213A (en) | A nut for loosening prevention | |
| CN112720349A (en) | Stud bolt assembling and disassembling device and method | |
| US20110268532A1 (en) | Fastening apparatus | |
| US20130258562A1 (en) | Electronic device and assembling method thereof | |
| CN210978142U (en) | Nut and pre-installation screw connection structure | |
| US20090122471A1 (en) | Panel and Housing Assembly that is Assembled and Disassembled Easily and Quickly | |
| CN109079692B (en) | Labor-saving wrench assembly | |
| CN108343665B (en) | Locknut, screw fastening external member and screw fastening assembly | |
| CN110319081B (en) | Anti-dismantling structure and electronic device applying same | |
| CN212838870U (en) | Combined screw | |
| CN215126218U (en) | Cabinet body connecting piece | |
| CN218644618U (en) | Anti-disassembly screw and assembly and disassembly tools | |
| US9765433B2 (en) | Structure of sextant rotary disk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |