CN109473315A - A kind of auxiliary contact and contactor of band instruction function - Google Patents

A kind of auxiliary contact and contactor of band instruction function Download PDF

Info

Publication number
CN109473315A
CN109473315A CN201811420545.2A CN201811420545A CN109473315A CN 109473315 A CN109473315 A CN 109473315A CN 201811420545 A CN201811420545 A CN 201811420545A CN 109473315 A CN109473315 A CN 109473315A
Authority
CN
China
Prior art keywords
contact
module
instruction
sliding slot
contactor
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.)
Granted
Application number
CN201811420545.2A
Other languages
Chinese (zh)
Other versions
CN109473315B (en
Inventor
李新叶
蒋威
李为为
郑云
张怀仁
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.)
Delixi Electric Co Ltd
Original Assignee
Delixi Electric 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 Delixi Electric Co Ltd filed Critical Delixi Electric Co Ltd
Priority to CN201811420545.2A priority Critical patent/CN109473315B/en
Publication of CN109473315A publication Critical patent/CN109473315A/en
Application granted granted Critical
Publication of CN109473315B publication Critical patent/CN109473315B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/08Indicators; Distinguishing marks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • H01H50/541Auxiliary contact devices

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Push-Button Switches (AREA)

Abstract

The present invention relates to the auxiliary contacts and contactor of a kind of band instruction function, including shell, contact module and indicating module, the linkage hole of shell connection contactor ontology is stretched out in contact module one end, the housing tip is equipped with indicator hole, with the actuation or release of contactor ontology, contactor ontology drives indicating module in indicator hole moved beneath by contact module, different instruction states is shown at indicator hole, indicating module includes two pieces of guide plates being connected to below indicator board, guide groove is set on every piece of guide plate, the contact module includes that contact is supported, equipped with double end sliding shoe, the both ends of the double end sliding shoe are respectively embedded into the guide groove of two pieces of guide plates.Compared with prior art, the present invention assigns auxiliary contact and indicates function, and operation maintenance personnel is allowed to see that switch state indicates to the maximum extent, and the observation of energy clear and definite judges the state of Switch main body and supplementary module;Conceptual design is simple, is easily assembled;Practical function, significant effect.

Description

A kind of auxiliary contact and contactor of band instruction function
Technical field
The present invention relates to a kind of contactor technical fields, auxiliary contact and contact more particularly, to a kind of band instruction function Device.
Background technique
Side hanging auxiliary contact is a kind of side mounted auxiliary contact module for AC contactor, is mounted on the two of Switch main body Side is used to help the action state signal of transmitting switch or the electric interlock of composition switch room.For personal safety, operation maintenance personnel Require the action state visualization of switch, it is desirable that switching, there is visual, reliable, specific instruction, which to switch each contact, closes It closes, the function of off-state.But some Switch main bodies and supplementary module currently on the market all can't be satisfactory complete At above-mentioned instruction function, main problem is that: the contactor of existing market in some bad borders that specifically work, such as light compared with Secretly, sight is blocked etc. under operating conditions, and user can not intuitively judge the electromagnetic switch shape of contactor ontology according to contactor ontology State, and existing side hanging auxiliary contact does not have instruction function, as shown in Figure 1, also can not be according to side hanging auxiliary contact Switch state carrys out the electromagnetic switch state of detector bar ontology.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of band instruction functions Auxiliary contact and contactor.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of auxiliary contact of band instruction function, the auxiliary contact are installed on the side side wall of contactor ontology, including shell Body, contact module and indicating module, the indicating module and contact module are mounted in shell, and contact module one end is stretched out Shell connect contactor ontology linkage hole, the housing tip be equipped with indicator hole, with contactor ontology actuation or release It puts, contactor ontology drives indicating module in indicator hole moved beneath by contact module, and different fingers is shown at indicator hole Showing state, wherein the indicating module includes indicator board and two pieces of guide plates parallel to each other being connected to below indicator board, Every piece of guide plate is equipped with slanting guide groove, and the contact module includes that contact is supported, which supports top to be equipped with one Bracket, the bracket are equipped with double end sliding shoe, and the both ends of the double end sliding shoe are respectively embedded into the guide groove of two pieces of guide plates.
Further, the shell is equipped with the instruction sliding slot chamber of horizontal direction in the lower section of indicator hole, indicates sliding slot chamber Lower section be equipped with vertical direction contact sliding slot chamber, contact sliding slot chamber and instruction sliding slot chamber be connected tos, and the described indicator board connection is oriented to Plate, and sliding slot is intracavitary slides laterally in instruction, the contact are supported to slide vertically contact sliding slot is intracavitary.
Further, the double end sliding shoe is a cylindrical body block, which is laterally arranged, middle section connection Bracket, both ends are respectively embedded into guide groove.
Further, the guide groove is three stage structure, and both ends dislocation is arranged in parallel, is connected by interlude, and The bottom of guide groove is enclosed construction.
Further, the upper surface of the indicator board is equipped with the first indicating area and the second indicating area, and described the One indicating area and the second indicating area pass through the indicator board sliding intracavitary in instruction sliding slot, show below indicator hole.
Further, first indicating area is green coating, and second indicating area is red coatings.
Further, the indicator board both sides of the edge are equipped with semicircular strip flanged structure, and indicator board is convex by this The intracavitary sliding slot of edge structure contact instruction sliding slot.
Further, the contact module further includes the first contact bridge, the second contact bridge and the first touch spring and Two touch springs, the contact supports that being equipped with one crosses out end, for connecting the linkage hole of contactor ontology, the contact Inside is supported to be additionally provided with first inner chamber and second inner chamber, first contact bridge passes through first inner chamber and passes through the first contact Spring is fixed on first inner chamber upper wall, and second contact bridge passes through second inner chamber and is fixed on by the second touch spring Second inner chamber lower wall, the contact support bottom to be additionally provided with a reset spring.
It further, further include normally closed contact plate and normally opened contact plate, the normally closed contact plate and normally opened contact plate are pacified Mounted in enclosure interior, first contact bridge connects normally closed contact plate, and second contact bridge is set to normally opened contact plate Top.
Any above-mentioned auxiliary contact with instruction function is installed in a kind of contactor, the one or both sides of the contactor.
Compared with prior art, the invention has the following advantages that
1, the present invention cooperates the machine driving knot of enclosure interior contact module and indicating module by the indicator hole on shell Structure directly displays Switch main body and the working condition of its own, allows user in the case where contactor ontology is blocked, directly It is more intuitive and easily understand working condition to connect auxiliary contact, it is applied widely;
2, the present invention is by indicating the setting of sliding slot chamber and contact sliding slot chamber in shell, and passes through contact module and instruction The linkage of module, allows contact module directly to drive indicating module, and centre is no longer needed by any other part, structure letter It is single reliable, it is easily assembled;
3, the present invention cooperates double guide grooves on indicating module by the double end sliding shoe that contact is supported, double end is slided Block is caught in guide groove, so that the sliding of guide pad is more stable, smooth;Meanwhile the bottom of guide groove is closing structure, energy Double end sliding shoe falling off in sliding process is enough prevented, keeps structure more reliable, has more globality;
4, the guide groove on guide plate of the present invention uses the structure of three-stage, so that sliding block horizontally slips with one A apparent cut-off, keeps the display of working condition more clear;
5, it is equipped with semicircular strip flanged structure in the both sides of the edge of indicator board, the sliding slot for cooperating sliding slot intracavitary, so that The sliding of indicating module is more smooth and stablizes;
6, the switch state of the indicating area on indicator board and contactor and auxiliary contact corresponds, indicator red table Show close the switch, green indicates to disconnect, instruction function directly, it is clear, clear;
To sum up, the present invention assigns auxiliary contact and indicates function, and operation maintenance personnel is allowed to see that switch state indicates to the maximum extent, The observation of energy clear and definite judges the state of Switch main body and supplementary module;By the simple cooperation of a small amount of part, by vertical position Transfer chemical conversion horizontal position in-migration realizes instruction function, and conceptual design is simple, is easily assembled;Practical function, significant effect.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing auxiliary contact;
Fig. 2 is the schematic front view of internal structure of the present invention;
Fig. 3 is the stereoscopic schematic diagram of internal structure of the present invention;
Fig. 4 is the schematic front view of housing interior structure;
Fig. 5 is the stereoscopic schematic diagram of indicator;
Fig. 6 is the schematic front view of indicator;
Fig. 7 is the schematic side view of indicator;
Fig. 8 is the stereoscopic schematic diagram that contact is supported;
Schematic diagram when Fig. 9 is indicating closing state of the present invention;
Schematic diagram when Figure 10 is present invention instruction off-state;
Appended drawing reference: 1, shell, 11, instruction sliding slot chamber, 12, contact sliding slot chamber, 13, indicator hole, 2, contact module, 21, Contact support, 211, first inner chamber, 212, second inner chamber, 213, bracket, 214, double end sliding shoe, 215, extension end, 23, first Contact bridge, the 24, second contact bridge, the 25, first touch spring, the 26, second touch spring, 3, indicating module, 32, indicator board, 321, the first indicating area, the 322, second indicating area, 323, flanged structure, 33, guide plate, 331, guide groove, 4, normally closed connect Touch panel, 5, normally opened contact plate, 6, reset spring.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to Following embodiments.
As shown in Fig. 2, present embodiments providing a kind of auxiliary contact of band instruction function, including shell 1, contact module 2 With indicating module 3.Indicating module 3 and contact module 2 are mounted in shell 1, and 2 one end of contact module is stretched out shell 1 and connect The linkage hole of tentaculum ontology;1 top of shell is equipped with indicator hole 13, with the actuation or release of contactor ontology, contactor ontology It drives indicating module 3 in 13 moved beneath of indicator hole by contact module 2, different instruction states is shown at indicator hole 13.
As shown in Fig. 5~Fig. 7, indicating module 3 includes indicator board 32 and two pieces of guide plates 33.Indicator board 32 is cuboid knot Structure, upper surface left side set viridescent first indicating area 321, and right side is equipped with the second red indicating area 322;Indicator board 32 both sides of the edge are equipped with semicircular strip flanged structure 323, its edge is made to be slightly higher than intermediate region, and indicator board 32 is logical Cross the sliding slot in the flanged structure 323 contact instruction sliding slot chamber 11.Two pieces of guide plates 33 are parallel to each other, and are vertically installed in finger Show the lower section of plate 32, guide plate 33 and indicator board 32 are the structure of integral type in the present embodiment.It is equipped on every piece of guide plate 33 Guide groove 331, the guide groove 331 be three stage structure, first segment below the first indicating area 321 straight down, second segment Connect first segment it is downward along 45 degree oblique angles, third section connection second segment below the second indicating area 322 straight down, and The bottom of guide groove 331 is enclosed construction.331 structure of guide groove on two pieces of guide plates 33 is identical.
As shown in figure 8, contact module 2 includes that contact supports the 21, first contact bridge 23, the second contact bridge 24, the first contact Spring 25 and the second touch spring 26.Contact supports 21 bottoms to be equipped with a reset spring 6, supports that 21 provide reply for contact Elastic force, contact supports 21 side to be equipped with one and cross out end 215, for connecting the linkage hole of contactor ontology.Contact is supported 21 inside are equipped with the second inner chamber 212 positioned at the first inner chamber 211 of top half and positioned at lower half portion, and the first contact bridge 23 is worn First inner chamber 211 is crossed, 211 upper wall of first inner chamber is fixed on by the first touch spring 25 in intermediate portion;Second contact bridge 24 Across second inner chamber 212,212 lower wall of second inner chamber is fixed on by the second touch spring 26 in intermediate portion.
Contact supports 21 top to be equipped with a bracket 213, and a double end sliding shoe 214 is topmost connected on bracket 213, The double end sliding shoe 214 is specially a cylindrical body block, which is laterally arranged, middle section connecting bracket 213, both ends It is respectively embedded into the guide groove 331 of two pieces of guide plates 33.
As shown in Figure 2 to 4, shell 1 is equipped with the instruction sliding slot chamber 11 of horizontal direction in the lower section of indicator hole 13, and instruction is slided The lower section of vallecular cavity 11 is equipped with vertical direction contact sliding slot chamber 12, and contact sliding slot chamber 12 is connected to instruction sliding slot chamber 11, indicator board 32 Connecting guide plate 33 slides laterally in instruction sliding slot chamber 11, and contact supports that 21 slide vertically in contact sliding slot chamber 12, double end The both ends of sliding shoe 214 are respectively embedded into the guide groove 331 of two pieces of guide plates 33, and are slided along guide groove 331.
Normally closed contact plate 4 and normally opened contact plate 5 are also equipped in shell 1, the first contact bridge 23 connects normally closed contact plate 4, Second contact bridge 24 a distance above normally opened contact plate 5 is installed, and the first contact bridge can be made under the drive of contact module 2 23 disconnect normally closed contact plate 4, and the first contact bridge 23 contacts normally opened contact plate 5.
The present embodiment has the instruction of two states:
The first state is as shown in Figure 9.Its working principle is that: contact supports the extension end 215 on 21 and the connection of contactor Dynamic Kong Peihe, when contactor is attracted, the contact of auxiliary contact supports that 21 are moved downward by the linkage hole of contactor, normally closed to connect Touch panel 4 disconnects, and normally opened contact plate 5 is closed, and compresses the reset spring 6 of bottom, while contact support 21 moves downward and promotes Double end sliding shoe 214 slides into lower left from the upper right side of guide groove 331, drive indicating module 3 in instruction sliding slot chamber 11 to the right Mobile, the red green coating of indicating module 3 moves right at this time, by indicator hole 13 it can be observed that original state indicator hole 13 is aobvious Show green, and indicator hole 13 is displayed in red after contactor is attracted.That is: red then to indicate that contactor is in attracting state, side hanging is auxiliary Contact is helped to be in closed state.
Second of state and original state, as shown in Figure 10.Its working principle is that: when contactor release, it is assemblied in Contact supports 6 generated reaction force of reset spring of 21 bottoms, promotes contact to support 21 to move upwards and returns to original state, this is often The disconnection of contact plate 5 is opened, normally closed contact plate 4 is closed, while contact support 21 moves upwards and promotes double end sliding shoe 214 from guide groove 331 lower left slides into upper right side, and indicating module 3 is moved to the left in instruction sliding slot chamber 11, red green on indicating module 3 at this time Coating is moved to the left, by indicator hole 13 it can be observed that the color of display is by red greening.That is: 13 green of indicator hole indicates contact Device is in release conditions, and side hanging auxiliary contact is in an off state.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be within the scope of protection determined by the claims.

Claims (10)

1. a kind of auxiliary contact of band instruction function, the auxiliary contact are installed on the side side wall of contactor ontology, feature exists In, including shell (1), contact module (2) and indicating module (3), the indicating module (3) and contact module (2) be respectively mounted In shell (1), the linkage hole of shell (1) connection contactor ontology, the shell (1) top are stretched out in contact module (2) one end End is equipped with indicator hole (13), and with the actuation or release of contactor ontology, contactor ontology drives instruction by contact module (2) Module (3) shows different instruction states at indicator hole (13), wherein the instruction in indicator hole (13) moved beneath Module (3) includes indicator board (32) and two pieces of guide plates parallel to each other (33) being connected to below indicator board (32), and every piece is led Slanting guide groove (331) are equipped with to plate (33), the contact module (2) includes that contact supports (21), which supports (21) top is equipped with a bracket (213), which is equipped with double end sliding shoe (214), the double end sliding shoe (214) Both ends are respectively embedded into the guide groove (331) of two pieces of guide plates (33).
2. the auxiliary contact of band instruction function according to claim 1, which is characterized in that the shell (1) is indicating The lower section in hole (13) is equipped with the instruction sliding slot chamber (13) of horizontal direction, and the lower section of instruction sliding slot chamber (13) is equipped with vertical direction contact Sliding slot chamber (12), contact sliding slot chamber (12) are connected to instruction sliding slot chamber (13), the indicator board (32) connecting guide plate (33), And it is slid laterally in instruction sliding slot chamber (13), the contact supports (21) to slide vertically in contact sliding slot chamber (12).
3. the auxiliary contact of band instruction function according to claim 1, which is characterized in that the double end sliding shoe It (214) is a cylindrical body block, which is laterally arranged, and middle section connecting bracket (213), both ends are respectively embedded into guide groove (331) in.
4. the auxiliary contact of band instruction function according to claim 1, which is characterized in that the guide groove (331) is three Segmentation structure, both ends dislocation are arranged in parallel, are connected by interlude, and the bottom of guide groove (331) is enclosed construction.
5. the auxiliary contact of band according to claim 2 instruction function, which is characterized in that the indicator board (32) it is upper Surface is equipped with the first indicating area (321) and the second indicating area (322), and first indicating area (321) and second refers to Show the sliding of region (322) by indicator board (32) in instruction sliding slot chamber (13), is shown below indicator hole (13).
6. the auxiliary contact of band instruction function according to claim 6, which is characterized in that first indicating area It (321) is green coating, second indicating area (322) is red coatings.
7. the auxiliary contact of band instruction function according to claim 2, which is characterized in that described indicator board (32) two sides Edge is equipped with semicircular strip flanged structure (323), and indicator board (32) passes through the flanged structure (323) contact instruction sliding slot chamber (13) sliding slot in.
8. the auxiliary contact of band instruction function according to claim 1, which is characterized in that the contact module (2) is also It is described including the first contact bridge (23), the second contact bridge (24) and the first touch spring (25) and the second touch spring (26) Contact supports (21) to be equipped with one and cross out end (215), and for connecting the linkage hole of contactor ontology, which supports (21) Inside is additionally provided with first inner chamber (211) and second inner chamber (212), and first contact bridge (23) passes through first inner chamber (211) And it is fixed on first inner chamber (211) upper wall by the first touch spring (25), second contact bridge (24) passes through second Inner cavity (212) and second inner chamber (212) lower wall is fixed on by the second touch spring (26), the contact supports (21) bottom Portion is additionally provided with a reset spring (6).
9. the auxiliary contact of band instruction function according to claim 1, which is characterized in that further include normally closed contact plate (4) With normally opened contact plate (5), the normally closed contact plate (4) and normally opened contact plate (5) are mounted on that shell (1) is internal, and described the One contact bridge (23) connects normally closed contact plate (4), and second contact bridge (24) is set to the top of normally opened contact plate (5).
10. a kind of contactor, which is characterized in that install such as claim 1~9 any institute the one or both sides of the contactor The auxiliary contact with instruction function stated.
CN201811420545.2A 2018-11-26 2018-11-26 Auxiliary contact with indication function and contactor Active CN109473315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811420545.2A CN109473315B (en) 2018-11-26 2018-11-26 Auxiliary contact with indication function and contactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811420545.2A CN109473315B (en) 2018-11-26 2018-11-26 Auxiliary contact with indication function and contactor

Publications (2)

Publication Number Publication Date
CN109473315A true CN109473315A (en) 2019-03-15
CN109473315B CN109473315B (en) 2024-02-20

Family

ID=65674416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811420545.2A Active CN109473315B (en) 2018-11-26 2018-11-26 Auxiliary contact with indication function and contactor

Country Status (1)

Country Link
CN (1) CN109473315B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112103140A (en) * 2019-09-29 2020-12-18 行驱电气(上海)有限公司 Support piece, moving contact component, base and magnetic latching relay
CN113728409A (en) * 2019-11-18 2021-11-30 富士电机机器制御株式会社 Auxiliary contact unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324343A (en) * 2011-09-20 2012-01-18 上海诺雅克电气有限公司 Connecting structure with overhead-hung auxiliary contacts
CN105977104A (en) * 2016-05-06 2016-09-28 厦门宏发开关设备有限公司 Side-hanging auxiliary contact module of contactor
US20170250044A1 (en) * 2016-02-25 2017-08-31 Lsis Co., Ltd. Enclosed type electromagnetic switch having status indication function
CN107359086A (en) * 2016-05-10 2017-11-17 上海诺雅克电气有限公司 The indicating fault auxiliary contact of breaker
CN209282137U (en) * 2018-11-26 2019-08-20 德力西电气有限公司 A kind of auxiliary contact and contactor of band instruction function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324343A (en) * 2011-09-20 2012-01-18 上海诺雅克电气有限公司 Connecting structure with overhead-hung auxiliary contacts
US20170250044A1 (en) * 2016-02-25 2017-08-31 Lsis Co., Ltd. Enclosed type electromagnetic switch having status indication function
CN105977104A (en) * 2016-05-06 2016-09-28 厦门宏发开关设备有限公司 Side-hanging auxiliary contact module of contactor
CN107359086A (en) * 2016-05-10 2017-11-17 上海诺雅克电气有限公司 The indicating fault auxiliary contact of breaker
CN209282137U (en) * 2018-11-26 2019-08-20 德力西电气有限公司 A kind of auxiliary contact and contactor of band instruction function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112103140A (en) * 2019-09-29 2020-12-18 行驱电气(上海)有限公司 Support piece, moving contact component, base and magnetic latching relay
CN113728409A (en) * 2019-11-18 2021-11-30 富士电机机器制御株式会社 Auxiliary contact unit
US20220044897A1 (en) * 2019-11-18 2022-02-10 Fuji Electric Fa Components & Systems Co., Ltd. Auxiliary contact unit

Also Published As

Publication number Publication date
CN109473315B (en) 2024-02-20

Similar Documents

Publication Publication Date Title
CN109473315A (en) A kind of auxiliary contact and contactor of band instruction function
CN209282137U (en) A kind of auxiliary contact and contactor of band instruction function
CN209087715U (en) A kind of auxiliary contact and contactor of band instruction function
CN109473314A (en) A kind of auxiliary contact and contactor of band instruction function
CN104024757B (en) Air conditioner
CN209169062U (en) A kind of auxiliary contact and contactor of band instruction function
CN103400712B (en) There is the mechanical switch of key-press status deixis
CN207529897U (en) Electric arc separating mechanism and breaker of plastic casing
CN210896264U (en) Warning sign is inhaled to scalable centre gripping formula magnetism
CN205303239U (en) Automatic playback switch
CN202678878U (en) Illumination-type terminal electric appliance box
CN207834874U (en) A kind of observation window assembly
CN208874083U (en) A kind of switchgear with mistaken collision preventing function
CN109473316A (en) A kind of auxiliary contact and contactor of band instruction function
CN203367069U (en) A mechanical switch with a button state indication function
CN209104032U (en) A kind of novel door closer switch
CN209388927U (en) A kind of embedded surface touching thin film switch
CN214280673U (en) Handcart-type cubical switchboard
CN213755212U (en) PLC control box with connection structure
CN208522803U (en) A kind of Mobile phone touch control glass structure
CN218512872U (en) Waterproof dirt-proof industrial computer
CN220420475U (en) Fire alarm switch with protection function
CN203350785U (en) Double-rail case for KVM (Keyboard-Video-Mouse) terminal equipment
CN209313287U (en) A kind of low voltage drawing-out switching carbinet
CN208637821U (en) A kind of electric mounting cabinet of wisdom computer room

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