CN109578430B - Waterproof box connection hinge and manufacturing method thereof - Google Patents

Waterproof box connection hinge and manufacturing method thereof Download PDF

Info

Publication number
CN109578430B
CN109578430B CN201811539510.0A CN201811539510A CN109578430B CN 109578430 B CN109578430 B CN 109578430B CN 201811539510 A CN201811539510 A CN 201811539510A CN 109578430 B CN109578430 B CN 109578430B
Authority
CN
China
Prior art keywords
blind hole
screw
thread
waterproof box
waterproof
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
Application number
CN201811539510.0A
Other languages
Chinese (zh)
Other versions
CN109578430A (en
Inventor
赵亚亭
张雅婧
唐钰婷
谢文艺
张洋
张肖肖
曹广波
王浩军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Mandrake Photoelectric Co ltd
Original Assignee
Suzhou Mandrake Photoelectric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Mandrake Photoelectric Co ltd filed Critical Suzhou Mandrake Photoelectric Co ltd
Priority to CN201811539510.0A priority Critical patent/CN109578430B/en
Publication of CN109578430A publication Critical patent/CN109578430A/en
Application granted granted Critical
Publication of CN109578430B publication Critical patent/CN109578430B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/12Pivotal connections incorporating flexible connections, e.g. leaf springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16GBELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Hinges (AREA)

Abstract

The invention discloses a waterproof box connection hinge and a manufacturing method thereof, wherein the waterproof box connection hinge comprises a screw, a stop screw and a connecting piece, a first blind hole is formed in one end of the screw, a first thread is arranged at the end of the screw, and the length of the first thread is smaller than that of the first blind hole; one end of the stop screw is provided with a second blind hole, the outer wall of the stop screw is provided with a second thread, and the second thread part is positioned at the outer side of the second blind hole; the two ends of the connecting piece are respectively arranged in the first blind hole and the second blind hole, are in clearance fit with the first blind hole and the second blind hole, and comprise a steel wire rope and a protective layer wrapping the outer wall of the steel wire rope; when the screw is screwed, the connecting piece drives the stop-pair screw to rotate. The invention is suitable for hinging the upper cover and the lower shell of the waterproof box, and can avoid the problem that the waterproof performance is reduced due to the fact that the connecting hinge is installed in the later period.

Description

Waterproof box connection hinge and manufacturing method thereof
Technical Field
The invention belongs to the technical field of hinges, and particularly relates to a waterproof box connection hinge and a manufacturing method thereof.
Background
The waterproof box is a shell which can be applied in a relatively severe environment and can prevent water from entering the circuit, the instrument and the like in the box from affecting the performance of the waterproof box. In many existing working conditions, the upper cover and the lower shell of the waterproof box are required to be incompletely separated, and the upper cover is internally provided with a circuit board and the circuit board in the lower shell is required to be connected by a fixed-length data line, for example, when the internal device of the waterproof box is maintained in a climbing mode, the upper cover is prevented from falling off, and the hinge is required to be arranged between the upper cover and the lower shell of the waterproof box to realize connection. At present, in order to meet the requirement, a hinge is designed in the casting process of the waterproof box or the hinge is additionally installed between the upper cover and the lower shell of the formed waterproof box through secondary processing, so that the manufacturing cost of a mould is increased to a great extent, or the waterproof performance of the waterproof box is reduced because the upper cover and the lower shell are perforated in the secondary processing process.
Disclosure of Invention
In view of the above problems, the invention provides a waterproof box connection hinge and a manufacturing method thereof, which are suitable for hinging an upper cover and a lower shell of a waterproof box, and can avoid the problem that the waterproof performance is reduced due to the fact that the connection hinge is installed at a later stage.
The technical aim is achieved, and the technical effects are achieved by the following technical scheme:
In a first aspect, the present invention provides a waterproof case connection hinge comprising:
the screw is provided with a first blind hole at one end, and a first thread is arranged at the end, and the length of the first thread is smaller than that of the first blind hole;
the anti-friction screw is characterized in that one end of the anti-friction screw is provided with a second blind hole, the outer wall of the anti-friction screw is provided with a second thread, and the second thread part is positioned at the outer side of the second blind hole;
The two ends of the connecting piece are respectively arranged in the first blind hole and the second blind hole, and are in clearance fit with the first blind hole and the second blind hole, and the connecting piece comprises a steel wire rope and a protective layer wrapped on the outer wall of the steel wire rope;
When the screw is screwed, the connecting piece drives the stop-pair screw to rotate.
As a further improvement of the invention, the first blind hole and the second blind hole are formed by drilling through a drill bit.
As a further improvement of the invention, the protective layer is made of a rubber material.
As a further improvement of the invention, the outer diameter of the steel wire rope is 4mm; the outer diameter of the protective layer is 6mm.
As a further improvement of the invention, the steel cord is made of 316 stainless steel material.
In a second aspect, the present invention provides a method for manufacturing a waterproof case connection hinge, including:
Punching one end of the screw far away from the root to form a first blind hole, cutting and removing a section of thread at the root according to set requirements, wherein the rest of the thread is called a first thread, and the length of the first thread is smaller than that of the first blind hole;
Punching one end, far away from the root, of the stop screw to form a second blind hole, cutting and removing a section of thread at the end according to set requirements, wherein the rest of the thread is called a second thread, and the second thread part is positioned at the outer side of the second blind hole;
placing one end of a connecting piece into the first blind hole, and fixing the end part of the connecting piece in the first blind hole by utilizing a clamping piece to cut and remove threads on a screw;
And placing the other end of the connecting piece into the second blind hole, and fixing the other end of the connecting piece in the second blind hole by utilizing the clamping piece to cut and remove threads on the stop screw.
As a further development of the invention, the clamping element is a hydraulic clamp.
As a further improvement of the invention, the connecting piece comprises a steel wire rope and a protective layer wrapped on the outer wall of the steel wire rope.
As a further improvement of the invention, the outer diameter of the steel wire rope is 4mm; the outer diameter of the protective layer is 6mm.
As a further improvement of the invention, the steel cord is made of 316 stainless steel material.
Compared with the prior art, the invention has the beneficial effects that:
The waterproof box connecting hinge provided by the invention has the characteristics of high strength, sufficient rigidity, convenience in replacement and low cost, is very suitable for hinging between the upper cover and the lower shell of the waterproof box, and has no problem of reduced waterproof performance caused by secondary processing of the waterproof box because the hinge adopts the original mounting hole (screw hole) of the waterproof box in the mounting process.
The manufacturing method of the waterproof box connection hinge provided by the invention adopts the screws and the stop screws in the prior art, the screws and the stop screws are matched for cutting and removing threads, and the fixing of the connecting piece, the stop screws and the screws is realized by utilizing the clamping piece at the thread removing position, so that the whole realization process is simple, and the production cost is low.
Drawings
FIG. 1 is a schematic view of a waterproof case connection hinge according to the present invention;
fig. 2 is a front view showing the case upper cover a when the hinge of the present invention is applied to the waterproof case and opened;
fig. 3 is a plan view of the waterproof box upper cover a when the hinge of the present invention is applied to the waterproof box and opened;
Fig. 4 is a front view showing the case upper cover a when the hinge of the present invention is applied to the waterproof case and mounted;
Fig. 5 is a plan view of the waterproof case upper cover a when the hinge in the present invention is applied to the waterproof case.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principle of application of the invention is described in detail below with reference to the accompanying drawings.
Example 1
The embodiment of the invention provides a waterproof box connection hinge, which comprises the following components:
A screw 1, wherein one end of the screw 1 is provided with a first blind hole 2, and a first thread 3 is arranged at the end, and the length of the first thread 3 is smaller than that of the first blind hole 2; in a specific implementation manner of the embodiment of the present invention, the first blind hole 2 is formed by drilling with a drill; the screw 1 can be a common screw 1 in the prior art, and can be obtained directly from the market;
A second blind hole 5 is formed in one end of the stop screw 4, a second thread 6 is formed in the outer wall of the second blind hole 5, and the second thread 6 is partially positioned outside the second blind hole 5; in a specific implementation manner of the embodiment of the present invention, the second blind hole 5 is formed by drilling with a drill;
the two ends of the connecting piece are respectively arranged in the first blind hole 2 and the second blind hole 5, and are in clearance fit with the first blind hole 2 and the second blind hole 5, and the connecting piece comprises a steel wire rope 7 and a protective layer 8 wrapping the outer wall of the steel wire rope 7; when the screw 1 is screwed, the connecting piece drives the stop screw 4 to rotate; in a preferred implementation of the embodiment of the invention, the protective layer 8 is made of rubber material and is used for preventing the damage of the surface scratch and the threaded hole of the waterproof box caused by the steel wire rope 7; the outer diameter of the steel wire rope 7 is 4mm; the outer diameter of the protective layer 8 is 6mm; the steel wire rope 7 is made of 316 stainless steel material.
To sum up: when the hinge of the invention is used for fixing or releasing the upper cover A of the waterproof box and the lower shell B of the waterproof box, the hinge specifically comprises the following operations:
(1) Covering the top of a waterproof box lower shell B with a waterproof box upper cover A, and aligning mounting holes arranged on the waterproof box upper cover A and the waterproof box lower shell B, wherein the mounting holes are screw holes;
(2) The hinges are placed into corresponding mounting holes, then the screw 1 is screwed by a screw driver, the screw 1 drives the stop screw 4 to rotate together through the connecting piece, and the waterproof box upper cover A and the waterproof box lower shell B are fixed by connecting the first threads 3 with the mounting threaded holes of the waterproof box lower shell B; as shown in fig. 4-5, when the waterproof box upper cover a is fixed on the waterproof box lower shell B, since the first thread 3 on the screw 1 is connected with the installation threaded hole of the waterproof box lower shell B, the hinge connection piece and the stop screw 4 are all inserted into the installation process hole of the waterproof box lower shell B, so that no influence is caused on the installation of the waterproof box, and only two screws 1 and the other two screws 1 of the waterproof box are used for fixing the waterproof box upper cover a and the waterproof box lower shell B. The waterproof case with the hinge assembly as shown in fig. 4 and 5 is completely indistinguishable in appearance from a conventional waterproof case;
(3) When the hinge of the present invention is applied to the waterproof case, as shown in fig. 2 to 3, the screw 1 is screwed by a screwdriver, the screw 1 drives the stop screw 4 to rotate together by the connection member, the waterproof case upper cover a is detached from the waterproof case lower case B, and the connection member still connects the waterproof case upper cover a and the waterproof case lower case B since the stop screw 4 is also at the lower part of the thread in the waterproof case lower case B, so that the operator does not worry about falling off when opening the waterproof case upper cover a.
Embodiment 2 the invention provides a method for manufacturing a waterproof box connection hinge, which comprises the following steps:
Punching one end, far away from the root, of the screw 1 to form a first blind hole 2, cutting and removing a section of thread at the root according to set requirements, wherein the rest of the thread is called a first thread 3, and the length of the first thread 3 is smaller than that of the first blind hole 2;
Punching one end, far away from the root, of the stop screw 4 to form a second blind hole 5, cutting and removing a section of thread at the end according to set requirements, wherein the rest of the thread is called a second thread 6, and the second thread 6 is partially positioned outside the second blind hole 5;
placing one end of a connecting piece into the first blind hole 2, and fixing the end of the connecting piece into the first blind hole 2 by utilizing a clamping piece at a thread removing position cut on the screw 1; in a preferred implementation of the embodiment of the invention, the connecting piece comprises a steel wire rope 7 and a protective layer 8 wrapped on the outer wall of the steel wire rope 7; placing the other end of the connecting piece into the second blind hole 5, and fixing the other end of the connecting piece into the second blind hole 5 by utilizing a clamping piece at a thread removing position cut on the stop screw 4; the clamping piece is a hydraulic clamp; the outer diameter of the steel wire rope 7 is 4mm; the outer diameter of the protective layer 8 is 6mm, and the steel wire rope 7 is made of 316 stainless steel material; the length of the steel wire rope 7 is about 70 mm.
To sum up:
The waterproof box connecting hinge has the characteristics of high strength, sufficient rigidity, convenient replacement and low cost, is very suitable for hinging between the upper cover and the lower shell of the waterproof box, and has no problem of reduced waterproof performance caused by secondary processing of the waterproof box because the hinge adopts the original mounting hole (screw hole) of the waterproof box in the mounting process.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A waterproof case connection hinge, comprising:
the screw is provided with a first blind hole at one end, and a first thread is arranged at the end, and the length of the first thread is smaller than that of the first blind hole;
the anti-friction screw is characterized in that one end of the anti-friction screw is provided with a second blind hole, the outer wall of the anti-friction screw is provided with a second thread, and the second thread part is positioned at the outer side of the second blind hole;
The two ends of the connecting piece are respectively arranged in the first blind hole and the second blind hole, and are in clearance fit with the first blind hole and the second blind hole, and the connecting piece comprises a steel wire rope and a protective layer wrapped on the outer wall of the steel wire rope;
Covering the top of a waterproof box lower shell B with a waterproof box upper cover A, and aligning mounting holes arranged on the waterproof box upper cover A and the waterproof box lower shell B, wherein the mounting holes are screw holes;
placing the hinges into the corresponding mounting holes; the hinge adopts the original mounting hole of the waterproof box in the mounting process;
When the screw is screwed, the connecting piece drives the stop-pair screw to rotate;
The screws are screwed, the screws drive the stop-pair screws to rotate together through the connecting pieces, and the waterproof box upper cover A and the waterproof box lower shell B are fixed by connecting first threads with the installation threaded holes of the waterproof box lower shell B;
The screws are screwed, the screws drive the stop-pair screws to rotate together through the connecting pieces, the waterproof box upper cover A is detached from the waterproof box lower shell B, and the connecting pieces still connect the waterproof box upper cover A with the waterproof box lower shell B because the stop-pair screws are arranged at the lower parts of threads in the waterproof box lower shell;
The manufacturing method of the waterproof box connection hinge comprises the following steps: punching one end of the screw far away from the root to form a first blind hole, cutting and removing a section of thread at the root according to set requirements, wherein the rest of the thread is called a first thread, and the length of the first thread is smaller than that of the first blind hole;
Punching one end, far away from the root, of the stop screw to form a second blind hole, cutting and removing a section of thread at the end according to set requirements, wherein the rest of the thread is called a second thread, and the second thread part is positioned at the outer side of the second blind hole;
placing one end of a connecting piece into the first blind hole, and fixing the end part of the connecting piece in the first blind hole by utilizing a clamping piece to cut and remove threads on a screw;
And placing the other end of the connecting piece into the second blind hole, and fixing the other end of the connecting piece in the second blind hole by utilizing the clamping piece to cut and remove threads on the stop screw.
2. A waterproof case connection hinge according to claim 1, wherein: the first blind hole and the second blind hole are formed by drilling through a drill bit.
3. A waterproof case connection hinge according to claim 1, wherein: the protective layer is made of a rubber material.
4. A waterproof case connection hinge according to claim 1, wherein: the outer diameter of the steel wire rope is 4mm; the outer diameter of the protective layer is 6mm.
5. A waterproof case connection hinge according to claim 1, wherein: the steel wire rope is made of 316 stainless steel material.
6. A waterproof case connection hinge according to claim 1, wherein: the clamping piece is a hydraulic clamp.
CN201811539510.0A 2018-12-17 2018-12-17 Waterproof box connection hinge and manufacturing method thereof Active CN109578430B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811539510.0A CN109578430B (en) 2018-12-17 2018-12-17 Waterproof box connection hinge and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811539510.0A CN109578430B (en) 2018-12-17 2018-12-17 Waterproof box connection hinge and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN109578430A CN109578430A (en) 2019-04-05
CN109578430B true CN109578430B (en) 2024-05-07

Family

ID=65930286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811539510.0A Active CN109578430B (en) 2018-12-17 2018-12-17 Waterproof box connection hinge and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN109578430B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI130250B (en) * 2022-01-14 2023-05-10 Katko Oy An electrical mounting enclosure

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB121340A (en) * 1917-12-11 1918-12-11 Ernest Dobson Improvements in or connected with Watertight Closures for Boxes and the like.
GB865612A (en) * 1957-06-11 1961-04-19 Nat Screw & Mfg Company Improvements relating to blind screw and nut fasteners
DE3636574A1 (en) * 1985-04-29 1988-05-05 Friedhelm Rose Waterproof housing, especially for the encapsulation of electrical and electronic components
DE29703430U1 (en) * 1997-02-26 1997-04-10 Hubert Waltermann Eisenwarenfabrik und Gesenkschmiede GmbH & Co., 58802 Balve Arrangement for fastening components to a wire rope
DE29705766U1 (en) * 1997-04-01 1997-09-18 Jakob Ag, Trubschachen Rope connection for the end of a wire rope
EP1087481A1 (en) * 1999-09-27 2001-03-28 Rolec Gehäuse-Systeme GmbH Box, especially for the installation of electric or electronic components
WO2003071071A1 (en) * 2002-02-21 2003-08-28 Sotirios Papadimitriou Mechanically adjustable hinge for doors and windows
CN201502604U (en) * 2009-10-16 2010-06-09 余露 Waterproofing fastening piece
CN201865473U (en) * 2011-03-18 2011-06-15 浙江双雄门业有限公司 Three-dimensional adjustable back-flap hinge
US9496697B1 (en) * 2015-10-16 2016-11-15 Imagineering Plus Plus Llc Roof top junction box
CN206225937U (en) * 2016-12-07 2017-06-06 陈建业 A kind of waterproof junction box
CN207514056U (en) * 2017-10-20 2018-06-19 上海大隆机器厂有限公司 A kind of self-adjustable fastening structure
CN209557480U (en) * 2018-12-17 2019-10-29 苏州曼德克光电有限公司 A kind of compartment connects hinge

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2529634B (en) * 2014-08-26 2017-04-19 Kwikbolt Ltd Removable blind fastener for joining components

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB121340A (en) * 1917-12-11 1918-12-11 Ernest Dobson Improvements in or connected with Watertight Closures for Boxes and the like.
GB865612A (en) * 1957-06-11 1961-04-19 Nat Screw & Mfg Company Improvements relating to blind screw and nut fasteners
DE3636574A1 (en) * 1985-04-29 1988-05-05 Friedhelm Rose Waterproof housing, especially for the encapsulation of electrical and electronic components
DE29703430U1 (en) * 1997-02-26 1997-04-10 Hubert Waltermann Eisenwarenfabrik und Gesenkschmiede GmbH & Co., 58802 Balve Arrangement for fastening components to a wire rope
DE29705766U1 (en) * 1997-04-01 1997-09-18 Jakob Ag, Trubschachen Rope connection for the end of a wire rope
EP1087481A1 (en) * 1999-09-27 2001-03-28 Rolec Gehäuse-Systeme GmbH Box, especially for the installation of electric or electronic components
WO2003071071A1 (en) * 2002-02-21 2003-08-28 Sotirios Papadimitriou Mechanically adjustable hinge for doors and windows
CN201502604U (en) * 2009-10-16 2010-06-09 余露 Waterproofing fastening piece
CN201865473U (en) * 2011-03-18 2011-06-15 浙江双雄门业有限公司 Three-dimensional adjustable back-flap hinge
US9496697B1 (en) * 2015-10-16 2016-11-15 Imagineering Plus Plus Llc Roof top junction box
CN206225937U (en) * 2016-12-07 2017-06-06 陈建业 A kind of waterproof junction box
CN207514056U (en) * 2017-10-20 2018-06-19 上海大隆机器厂有限公司 A kind of self-adjustable fastening structure
CN209557480U (en) * 2018-12-17 2019-10-29 苏州曼德克光电有限公司 A kind of compartment connects hinge

Also Published As

Publication number Publication date
CN109578430A (en) 2019-04-05

Similar Documents

Publication Publication Date Title
CN109578430B (en) Waterproof box connection hinge and manufacturing method thereof
ATE363031T1 (en) INTERCONNECTS
CN202550445U (en) Rear outlet box
WO2000004259A3 (en) Door latch striker
CA2599006A1 (en) Aircraft structural element provided with a cavity and drainage element
JP5684395B2 (en) Cylinder length sensor mounting / holding assembly
CN206585294U (en) A kind of adjustable pre-buried line box of PC wallboards
CN209557480U (en) A kind of compartment connects hinge
CN209856736U (en) Automatic tracking ball machine protector
WO2023010959A1 (en) Threading sealing box
US7083466B1 (en) Cover of wiring box for use in telecommunication line
CN211662162U (en) Fixture tool for cutting reserved process edge of PCB
CN207604035U (en) A kind of power supply prints board fixing structure
KR20230075824A (en) Communication terminal box with vibration-free, bolt-free inner box fixing method
CN208597171U (en) A kind of dropproof type loudspeaker that magnetic conductive part is fastened and connected
CN216875264U (en) Automatic shoe tree that can manipulator snatch and anchor clamps on shoe tree thereof
CN219642176U (en) Fastening device for computer case jack
CN206316995U (en) Mis-collision preventing board
CN205611091U (en) Pick up ears and connection structure of quick -witted case
CN214995031U (en) Composite curtain wall device
CN211744494U (en) Built-in router of computer network
CN217085684U (en) Fastening device for computer case jacks
CN210274909U (en) Make things convenient for PLC switch board that pencil was accomodate
CN214490361U (en) Electronic information engineering experiment auxiliary device
CN216649620U (en) Cable photovoltaic junction box capable of rapidly replacing cables with various wire diameters

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