CN105142369B - A kind of detaching-proof protection device of junction box - Google Patents

A kind of detaching-proof protection device of junction box Download PDF

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Publication number
CN105142369B
CN105142369B CN201510652941.8A CN201510652941A CN105142369B CN 105142369 B CN105142369 B CN 105142369B CN 201510652941 A CN201510652941 A CN 201510652941A CN 105142369 B CN105142369 B CN 105142369B
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China
Prior art keywords
switch enclosure
junction box
switch
chute
sliding block
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CN201510652941.8A
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Chinese (zh)
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CN105142369A (en
Inventor
谭敏
温浩浩
谭天奇
卢炳文
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SHENZHEN CREDENCE ELECTRONICS CO Ltd
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SHENZHEN CREDENCE ELECTRONICS CO Ltd
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Abstract

The present invention discloses the detaching-proof protection device of junction box a kind of, and on junction box, junction box is fixedly connected by fastening screw with connector, and it includes tamper baffle arrangement part, can lock-switch box structural member and power control structure part;Can lock-switch box structural member include switch enclosure, switch enclosure is fixedly installed on the side of junction box, and the switch enclosure has a switch enclosure cover plate, and the switch enclosure cover plate passes through a rotating shaft and is rotatablely connected with switch enclosure;Tamper baffle arrangement part includes connecting plate and baffle plate, and connecting plate and baffle plate are realized by link gear to link;Power control structure part includes sliding block, chute and slide position fixing component, chute and is fixed on switch enclosure, a chute lid is fixed with chute, one end of sliding block is connected with connecting plate, and the other end contacts with chute;Slide position fixing component connection chute lid;The sliding block is provided with stroke and becomes type groove, becomes type groove by the trip, when sliding block moves, the contact of travel switch switches between compression and extended configuration.

Description

A kind of detaching-proof protection device of junction box
Technical field
The present invention relates to the manufacture of junction box, the detaching-proof protection and auto-power-off device of specifically a kind of junction box.
Background technology
At present, developing rapidly with track traffic cause, the protection for the junction box being arranged on compartment are also increasingly heavier Will, once junction box is torn open by mistake or malice is removed, whole compartment then can not normal operation, therefore the detaching-proof protection of junction box is It is vital.And prior art is substantially the reliable electric connection for being directed to junction box and dismantled easily and fast, and do not have There is the detaching-proof protection measure in view of junction box, certain potential safety hazard is brought to existing junction box.In addition, in maintenance personal , it is necessary to artificially power off when removing junction box, certain life is brought to endanger to maintenance personal if power-off or maloperation is forgotten Danger.
The content of the invention
Therefore, for it is above-mentioned the problem of, the present invention proposes that a kind of simple in construction and the firm junction box of safety tamper is protected Protection unit, protection connector junction box will not be torn open by mistake when the device ensures usually operation, and need to dismantle in maintenance maintenance It can be automatically powered off during connector, there is good security to solve the deficiency of prior art.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is the detaching-proof protection dress of junction box a kind of Put, on junction box, junction box is fixedly connected by fastening screw with connector, and the antiwithdrawal device includes tamper baffle arrangement Part, can lock-switch box structural member and power control structure part;Can lock-switch box structural member include switch enclosure, switch enclosure fixed setting In the side of junction box, the switch enclosure has a switch enclosure cover plate coordinated with it, and the switch enclosure cover plate covers switch enclosure A confined space is formed it into, to place electrical equipment, the switch enclosure cover plate is rotatablely connected by a rotating shaft and switch enclosure;Tamper Baffle arrangement part includes connecting plate and baffle plate, and connecting plate and baffle plate are realized by link gear to link;Power control structure part bag Include sliding block, chute and slide position fixing component, chute to be fixed on switch enclosure, a chute lid is fixed with chute, it is sliding One end of block is connected with connecting plate, and the other end contacts with chute;The sliding block is provided with stroke and becomes type groove, passes through the trip modification Groove, the contact of travel switch switches between compression and extended configuration when sliding block moves;Slide position fixing component connection chute Lid.When switch enclosure cover plate is closed, baffle plate shelters from the fastening screw of the plug of connector, now travel switch Contact is in compressive state, electric power normal transmission in junction box.Now switch enclosure cover plate is closed mode, can so prevent from transporting Dismantling connection device plug during battalion, play a part of preventing dismounting.When switch enclosure cover plate is opened, sliding block is in slide position fixing component In the presence of move, drive connecting plate and baffle plate motion, baffle plate is no longer sheltered from the fastening screw of the plug of connector, now The contact of travel switch belongs to extended configuration, and the power circuit in junction box is fully disconnected, and can thus protect attended operation Personnel, the personal safety for avoiding hot line job from bringing are dangerous.The present invention is using the above-mentioned ingenious, structure that is easily achieved, normal During operation, switch enclosure cover plate is closed, and in Circuit theory is normal transmission state in junction box, if there is abnormal power-down in circuit, Then attendant's very first time can find, therefore serve good anti-detaching theft-proof effect.When needing to safeguard, attendant Only need to open switch enclosure cover plate, then may be such that baffle plate no longer blocks the fastening screw of connector, now goes by link gear Cheng Kaiguan contact belongs to extended configuration, the state that junction box is then fully disconnected in power circuit, and attendant can be carried out The maintenance of safety, it is not necessary to worry the problem of circuit is still powered.
Further, the power control structure part includes sliding block, chute, chute lid and slide position fixing component;It is sliding One end of block is provided with a connecting shaft, in the deep-slotted chip breaker of connecting shaft insertion connecting plate, and uses circlip for shaft fixed position, cunning The other end of block is in chute, and the intermediate sleeve of sliding block is provided with sliding block sheath, and chute is fixed on switch enclosure, and chute lid is fixed on cunning On groove.The scheme feasible as one, the slide position fixing component include navigation button, spacer pin, spacing pin socket and limit Position pin spring, spacer pin thread head connection navigation button, after be inserted in spacer pin spring and spacing pin socket, spacer pin bush whorl End connection chute lid.
For further tamper, it is described can lock-switch box structural member also include a door lock, it is described can lock-switch box structural member Also include a door lock, the door lock is on switch enclosure cover plate.The door lock can be mechanical door lock or electronic lock, such as Fruit is electronic lock, can be set to be linked with control centre, and when door-lock opening, control centre then receives logical Know, so, if normal maintenance, then do not have to processing, if malicious sabotage, then the very first time notify at related personnel Reason.
Further, for dustproof and waterproof, it is described can lock-switch box structural member include switch enclosure, switch cover rotating shaft, switch Lid plate, seal gasket, door lock and switch enclosure rubber cushion;Switch enclosure cover plate on switch enclosure, is sealed by switch cover rotating shaft Rubber cushion is attached to switch enclosure cover intralamellar part;Switch enclosure is fastened on junction box with four screws, middle pad switch enclosure rubber cushion.
As the scheme of a simple possible, the tamper baffle arrangement part includes rotating shaft, baffle plate, connection rotating shaft, connection Plate, elastic cylindrical pin, circlip for shaft, knob, right torsion spring and positioning sleeve;Baffle plate includes blocking between junction box and connector Fastening screw the first straight-bar, the both ends of the first straight-bar extend vertically to same direction, form structure the second straight-bar of identical With the 3rd straight-bar, whole baffle plate is in " [" shape, the second straight-bar and the 3rd straight-bar are provided with through hole;Rotating shaft is second straight through baffle plate After the through hole of bar and the mounting hole of junction box, it is screwed;Connection rotating shaft is square structure, and the connection rotating shaft passes through gear The through hole of the 3rd straight-bar and the mounting hole of junction box's opposite side of plate, are inserted in connection rotating shaft by right torsion spring, positioning sleeve, are used in combination successively Circlip for shaft is spacing, is then inserted in connecting plate, is finally inserted in knob and is inserted with axle elastic cylindrical pin and is fixed.
The present invention compared with prior art, is had the following advantages that by such scheme:
1st, it is easy to use, safe ready:During normal use, without any operation, it is necessary to when repairing junction box, it is only necessary to beat Open the switch enclosure cover plate of switch enclosure.During junction box's normal power supply (when being usually that vehicle is in operation state), baffle plate is in The state of the fastening screw of the plug of connector is sheltered from, now the contact of travel switch is in compressive state, electricity in junction box Power normal transmission.When junction box is in maintenance state, switch enclosure cover plate is opened, pull-up navigation button and spacer pin make it that sliding block can be with Free horizontal direction displacement is carried out, then turning knob, connection rotating shaft is square due to using, and can enter with linked-baffle and connecting plate Row rotates, and connecting plate has arc stroke groove, pulls sliding block to carry out horizontal displacement while rotating.When rotating to fixed bit When, decontrol navigation button and spacer pin progress is spacing, now baffle position no longer blocks connector plug fastening screw, can carry out Detachable maintaining works, and due to there is stroke to become type groove on sliding block, now the contact of stroke travel switch is in extended configuration, Ke Yibao Card junction box in this state is fully powered-off state, can protect attended operation personnel, the person for avoiding hot line job from bringing Danger;
2:It is simple in construction, it is easy to accomplish:Connection rotating shaft is square structure, can be used as link gear, without again plus extra Structure;Baffle plate is in " [" shape, to be set along the casing of junction box, save the area occupied of whole device;
3rd, dustproof and waterproof:The elastic rubber as pad or fluid sealant is provided with due to the detaching-proof protection device of the present invention Glue, there is preferable water proof and dust proof effect.
The structure of the present invention is simple and compact, has preferable water proof and dust proof effect and tamper and can be automatic when dismantling Effect is powered off, and it is safe firm, there is good practicality.
Brief description of the drawings
Fig. 1 is the schematic diagram of the junction box of the present invention;
Fig. 2 is the decomposing schematic representation of embodiments of the invention;
Fig. 3 is the side view of embodiments of the invention;
Fig. 4 is the top view of embodiments of the invention;
Fig. 5 is the A-A views in Fig. 4;
Fig. 6 is the D-D views in Fig. 4;
Fig. 7 is the side view two of embodiments of the invention;
Fig. 8 is the side view three of embodiments of the invention;
Fig. 9 is the A direction views (switch enclosure open mode) of embodiments of the invention.
Embodiment
In conjunction with the drawings and specific embodiments, the present invention is further described.
In Fig. 1-Fig. 9, the component names representated by each label are as follows:1:Junction box, 2:Switch enclosure, 3:Switch cover rotating shaft, 4:Switch enclosure cover plate, 5:Seal gasket, 6:Door lock, 7:Sliding block sheath, 8:Sliding block, 81:Stroke change type groove, 9:Travel switch, 91: Travel switch contact, 10:Hexagon socket cap head screw, 11:Spring washer, 12:Plain cushion, 13:O-shaped rubber ring, 14:Metal nuts, 15: Rotating shaft, 16:Plain cushion, 17:Spring washer, 18:Hex nut, 19:Baffle plate, 20:Connection rotating shaft, 21:Circlip for shaft, 22:Connection Plate, 23:Elastic cylindrical pin, 24:Knob, 25:Right torsion spring, 26:Positioning sleeve, 27:Switch enclosure rubber cushion, 28:Connecting shaft, 29:Axle is used Circlip, 30:Navigation button, 31:Spacer pin, 32:Spacing pin socket, 33:Spacer pin spring, 34:Chute lid, 35:Interior hexagonal Sunk screw, 36:Chute, 37:Hexagon socket cap head screw, 38:Spring washer, 39:Connector.
The present invention provides a kind of detaching-proof protection device of junction box, and referring to Fig. 1, the detaching-proof protection device is located at junction box 1 On, in the present embodiment, by taking C2 low pressure junction boxes as an example, as shown in figs 1-9, junction box 1 is solid by fastening screw and connector 39 Fixed connection, the detaching-proof protection device include:Tamper baffle arrangement part, power control structure part and can lock-switch box structural member.
Referring to Fig. 2-Fig. 9, tamper baffle arrangement part include be installed on casing mounting hole shaft element 15-18 (rotating shaft 15, Plain cushion 16, spring washer 17, hex nut 18), 19 (baffle plates), it is installed on connection board member 20-26 (connection rotating shaft 20, the axle of casing With circlip 21, connecting plate 22, elastic cylindrical pin 23, knob 24, right torsion spring 25, positioning sleeve 26);Rotating shaft 15 passes through baffle plate 19 After the mounting hole of junction box, plain cushion 16, spring washer 17 are inserted in rotating shaft 15, and fixed with hex nut 18, connection rotating shaft 20 is worn The mounting hole of baffle plate 19 and junction box's opposite side is crossed, right torsion spring 25, positioning sleeve 26 are inserted in connection rotating shaft 20 successively, and used with axle Circlip 21 is spacing, is then inserted in connecting plate 22, is finally inserted in knob 24 and heavy with the (Zhi Cao of axle elastic cylindrical pin 23) Insertion is fixed.
Power control structure part includes being connected to the sliding block 8 of connecting plate 22 and the sliding block sheath 7 being enclosed on sliding block, including 30-33 limit bolt component (navigation button 30, spacer pin 31, spacing pin socket 33, spacer pin spring 32) and including 34-38 Runner component (chute lid 34, hexagon socket countersunk flat cap head screw 35, chute 36, hexagon socket cap head screw 37, spring washer 38);Sliding block 8 One end has root connecting shaft 28 to be embedded in the deep-slotted chip breaker of connecting plate 22, and with the fixed position of circlip for shaft 29, the other end is in cunning In groove 36, sliding block sheath 7 is inserted in centre, and chute 36 is fixed on switch enclosure 2 with hexagon socket countersunk flat cap head screw 35, and chute lid 34 is with four Hexagon socket cap head screw 37 puts spring washer 38 and is fixed on chute 36, the thread head connection navigation button 30 of spacer pin 31, after It is inserted in spacer pin spring 32 and spacing pin socket 33, the spacing end of thread of pin socket 33 connection chute lid 34.
Can lock-switch box structural member include being installed on the switch enclosure 2 of body side, switch cover rotating shaft 3, switch enclosure cover plate 4, Seal gasket 5, door lock 6, and the switch enclosure rubber cushion 27 being installed between switch enclosure and casing.Switch enclosure 2 is tight with four screws Gu on junction box 1, middle pad switch enclosure rubber cushion 27, switch enclosure cover plate 4 is connected on switch enclosure 2 by switch cover rotating shaft 3, Seal gasket 5 is attached to inside switch enclosure cover plate 4.
Specific application method is as follows:When usually vehicle is in operation state, baffle plate 19, which is in, shelters from inserting for connector 39 The state of the fastening screw of head.The contact of travel switch 9 is in compressive state, electric power normal transmission in junction box.Switch enclosure cover Plate 4 is closed mode, dismantling connection device plug when can so prevent from runing, and plays a part of preventing dismounting.
When needing butted line case to carry out maintenance maintenance, switch enclosure cover plate 4 is opened with special square hole key first, then Due to having positioning hole on sliding block 8, it is necessary to which pull-up navigation button 30 and spacer pin 31 allow sliding block 8 to carry out free horizontal direction position Move.Then turning knob 24, connection rotating shaft 20 is square due to using, and can be rotated with linked-baffle 19 and connecting plate 22, again Connecting plate 22 has arc stroke groove, pulls sliding block 8 to carry out horizontal displacement while rotating.
When rotating to busy hour fixed, decontrol navigation button 30 and spacer pin 31 carries out spacing, now the position of baffle plate 19 no longer hides The fastening screw of connector plug is kept off, detachable maintaining work can be carried out, due to there is stroke to become type groove 81 on sliding block 8, is now gone Journey switch contact 91 is in extended configuration, it is ensured that in this state, junction box is fully powered-off state, can protect maintenance Operating personnel, the personal safety for avoiding hot line job from bringing are dangerous.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right The present invention makes a variety of changes, and is protection scope of the present invention.

Claims (6)

1. the detaching-proof protection device of junction box a kind of, on junction box, junction box is fixed by fastening screw and connector to be connected Connect, it is characterised in that:
The antiwithdrawal device include tamper baffle arrangement part, can lock-switch box structural member and power control structure part;
Can lock-switch box structural member include switch enclosure, switch enclosure is fixedly installed on the side of junction box, and the switch enclosure has one Switch enclosure cover plate, the switch enclosure cover plate are rotatablely connected by a rotating shaft and switch enclosure;
Tamper baffle arrangement part includes connecting plate and baffle plate, and connecting plate and baffle plate are realized by link gear to link;
Power control structure part includes sliding block, chute and slide position fixing component, chute and is fixed on switch enclosure, on chute A chute lid is fixed with, one end of sliding block is connected with connecting plate, and the other end contacts with chute;Slide position fixing component connection Chute lid;The sliding block is provided with stroke and becomes type groove, becomes type groove by the trip, when sliding block moves, the contact of travel switch exists Switch between compression and extended configuration;
When switch enclosure cover plate is closed, baffle plate shelters from the fastening screw of the plug of connector, now travel switch Contact be in compressive state, electric power normal transmission in junction box;When switch enclosure cover plate is opened, sliding block fixes structure in slide position Moved in the presence of part, drive connecting plate and baffle plate motion, baffle plate is no longer sheltered from the fastening screw of the plug of connector, this When travel switch contact belong to extended configuration, the power circuit in junction box is fully disconnected.
2. the detaching-proof protection device of junction box according to claim 1, it is characterised in that:The power control structure part bag Include sliding block, chute, chute lid and slide position fixing component;One end of sliding block is provided with a connecting shaft, connecting shaft insertion connection In the deep-slotted chip breaker of plate, and with circlip for shaft fixed position, in chute, the intermediate sleeve of sliding block is provided with to be slided the other end of sliding block Block sheath, chute are fixed on switch enclosure, and chute lid is fixed on chute.
3. the detaching-proof protection device of junction box according to claim 2, it is characterised in that:The slide position fixing component Including navigation button, spacer pin, spacing pin socket and spacer pin spring, the thread head connection navigation button of spacer pin, after be inserted in it is spacing Sell spring and spacing pin socket, spacer pin bush whorl end connection chute lid.
4. the detaching-proof protection device of junction box according to claim 1, it is characterised in that:The tamper baffle arrangement part bag Include rotating shaft, baffle plate, connection rotating shaft, connecting plate, elastic cylindrical pin, circlip for shaft, knob, right torsion spring and positioning sleeve;Baffle plate The first straight-bar including blocking the fastening screw between junction box and connector, the both ends of the first straight-bar are prolonged vertically to same direction Stretch, form the second straight-bar of structure identical and the 3rd straight-bar, whole baffle plate is in " [" shape, the second straight-bar and the 3rd straight-bar are provided with Through hole;After rotating shaft passes through the through hole of the second straight-bar and the mounting hole of junction box of baffle plate, it is screwed;Connection rotating shaft is Square structure, the connection rotating shaft pass through the through hole of the 3rd straight-bar and the mounting hole of junction box's opposite side of baffle plate, by right torsion spring, determine Position set is inserted in connection rotating shaft successively, and spacing with circlip for shaft, is then inserted in connecting plate, is finally inserted in knob and is used with axle Elastic cylindrical pin insertion is fixed.
5. the detaching-proof protection device of junction box according to claim 1, it is characterised in that:It is described can lock-switch box structural member Also include a door lock, the door lock is on switch enclosure cover plate.
6. the detaching-proof protection device of junction box according to claim 1, it is characterised in that:It is described can lock-switch box structural member Including switch enclosure, switch cover rotating shaft, switch enclosure cover plate, seal gasket, door lock and switch enclosure rubber cushion;Switch enclosure cover plate is by opening Lid rotating shaft is closed on switch enclosure, seal gasket is attached to switch enclosure cover intralamellar part;Switch enclosure is fastened on junction box by screw, Middle pad switch enclosure rubber cushion.
CN201510652941.8A 2015-10-10 2015-10-10 A kind of detaching-proof protection device of junction box Active CN105142369B (en)

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Application Number Priority Date Filing Date Title
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CN105142369B true CN105142369B (en) 2017-12-15

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106952362A (en) * 2017-04-25 2017-07-14 航天科技控股集团股份有限公司 A kind of recorder wire harness antiwithdrawal device
CN108848632B (en) * 2018-07-01 2020-09-11 南施西 Electric power cabinet with synchronous structure
CN114245650B (en) * 2022-02-25 2022-05-06 深圳桥通物联科技有限公司 Anti-disassembly system for electronic product shell

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201509379U (en) * 2009-08-28 2010-06-16 比亚迪股份有限公司 Portable terminal camera protecting device and portable terminal adopting same
TW201420858A (en) * 2012-11-28 2014-06-01 Univ Nat Cheng Kung Anti-disassembly mobile device for electronic equipment
CN104093288A (en) * 2014-06-30 2014-10-08 沈阳兴华航空电器有限责任公司 Small starting and unloading control box
CN205017735U (en) * 2015-10-10 2016-02-03 深圳市金立诚电子有限公司 Junction box prevents tearing open protection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201509379U (en) * 2009-08-28 2010-06-16 比亚迪股份有限公司 Portable terminal camera protecting device and portable terminal adopting same
TW201420858A (en) * 2012-11-28 2014-06-01 Univ Nat Cheng Kung Anti-disassembly mobile device for electronic equipment
CN104093288A (en) * 2014-06-30 2014-10-08 沈阳兴华航空电器有限责任公司 Small starting and unloading control box
CN205017735U (en) * 2015-10-10 2016-02-03 深圳市金立诚电子有限公司 Junction box prevents tearing open protection device

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