CN207052490U - A kind of apparatus for transmitting signal - Google Patents
A kind of apparatus for transmitting signal Download PDFInfo
- Publication number
- CN207052490U CN207052490U CN201720814906.6U CN201720814906U CN207052490U CN 207052490 U CN207052490 U CN 207052490U CN 201720814906 U CN201720814906 U CN 201720814906U CN 207052490 U CN207052490 U CN 207052490U
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- touch panel
- push rod
- auxiliary contact
- housing
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a kind of apparatus for transmitting signal, including closed housing, push rod, tactile bridge, support member, binding post, auxiliary touch panel, auxiliary contact and two signal wires, the push rod to be arranged in the housing；The tactile bridge is socketed on the top of the push rod；The support member is rigidly connected with the tactile bridge；The binding post is arranged at the top of the tactile bridge；The auxiliary contact are fixed on the top of the support member；The auxiliary touch panel is arranged between the auxiliary contact and support member, and aids in touch panel hanging close to one end of the auxiliary contact, aids in the other end of touch panel to be fixed on the housing；A piece signal wire is connected to the auxiliary contact, and another signal wire is connected to the auxiliary touch panel；The support member is to the distance and auxiliary touch panel for aiding in touch panel to the distance between auxiliary contact sum less than the distance between described tactile bridge to binding post.The apparatus for transmitting signal can effectively prevent from judging by accident caused by main contact melting welding.
Description
Technical field
It the utility model is related to signal Transfer Technology field, more particularly to a kind of apparatus for transmitting signal.
Background technology
There are a variety of structure of contact terminals for transmitting signal in the market, these structures include main contact and auxiliary contact,
Main contact and auxiliary contact are generally Synchronization Design, and auxiliary contact is commonly used to transmit signal, to show the break-make feelings of main contact
Condition.If by reasons such as overload electric current, Fraquent start stoppings overheat or Welding Phenomena occur for main contact for a long time.And melting welding shows
As large effect can be produced to the disconnection process of main contact, if Welding Phenomena occurs for main contact, then break in auxiliary contact
When opening (i.e. auxiliary contact passes the signal that main contact disconnects), the actual state connected also in bonding of main contact,
Auxiliary contact can not synchronously transmit the working condition of main contact, and the signal for causing to pass is not inconsistent with virtual condition, so as to
Cause to judge by accident, easily cause serious production error.
In addition, the transmission signal end of prior art and reception signal end are in same space, if signal issuing side
Working environment it is severe (more dirt, moist or toxic gas etc.), transmit signal end and reception signal end can not in same space,
But the state understood in the space again promptly and accurately, the structure type of that prior art cannot be applicable again.
It is therefore desirable to have a kind of new apparatus for transmitting signal, can synchronously transmit the status signal of main contact, keep away exactly
Exempt from that misjudgment phenomenon occurs, additionally it is possible to transmitting signal end and reception signal end isolate.
Utility model content
Technical problem to be solved in the utility model is：A kind of new apparatus for transmitting signal is provided, can be synchronous exactly
Transmit the status signal of main contact, prevent from judging by accident caused by melting welding, additionally it is possible to transmit signal end and reception signal end carry out every
From.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of apparatus for transmitting signal, including
Closed housing, push rod, tactile bridge, support member, binding post, auxiliary touch panel, auxiliary contact and two signal wires, the push rod setting
In in the housing；The tactile bridge is socketed on the top of the push rod；The support member is rigidly connected with the tactile bridge；It is described to connect
Terminal is arranged at the top of the tactile bridge；The auxiliary contact are fixed on the top of the support member；The auxiliary touch panel is set
Between the auxiliary contact and support member, and aid in touch panel hanging close to one end of the auxiliary contact, aid in the another of touch panel
The housing is fixed in one end；A piece signal wire is connected to the auxiliary contact, and another signal wire is connected to the auxiliary and touched
Plate；The distance of the support member to auxiliary touch panel arrives with auxiliary touch panel to the distance between auxiliary contact sum less than the tactile bridge
The distance between binding post.
Further, in addition to the first spring, step is provided with the top of the push rod, first spring housing is located at institute
Push rod is stated, one end of the first spring is held in the step, and the other end of the first spring is held in the tactile bridge.
Further, in addition to magnet and coil, the magnet and coil are arranged in the housing, and the coil surrounds
The magnet is set；The bottom of the push rod is connected to the magnet.
Further, in addition to baffle plate and second spring, the baffle plate are fixed in the housing, and the push rod passes through institute
State baffle plate, the second spring is sheathed on the push rod, and one end of second spring is held in the baffle plate, second spring it is another
One end is held in the magnet.
Further, in addition to binding post and copper rivet, one end of the binding post are connected to another letter
Number line, the other end of binding post pass through the copper rivet and riveted with the auxiliary touch panel.
Further, in addition to arc-extinguish chamber, the arc-extinguish chamber are arranged in the housing, the auxiliary touch panel and the letter
Number line is respectively arranged at the both sides of the arc-extinguish chamber；The auxiliary contact are arranged in the arc-extinguish chamber, and auxiliary contact are close to auxiliary
The end face of one end of touch panel is helped more than the mating surface with arc-extinguish chamber.
Further, the housing includes base and cover, and the lid is fluid sealant, and one end of the signal wire seals
In in the lid, the other end of signal wire stretches out the lid.
Further, the lid for ceramics, between the periphery of the lid and pedestal soldering have kovar alloy.
Further, the auxiliary touch panel is bent close to one end of the auxiliary contact towards auxiliary contact.
The beneficial effects of the utility model are：When push rod acts upwards, the also motion upwards therewith of bridge and support member is touched, is touched
Bridge contacts the connection for realizing main contact with binding post；The auxiliary touch panel that cantilever is set simultaneously is upward under the top power effect of support member
Deformation contacts with auxiliary contact, so as to connect two signal wires, realizes the signal transmission of auxiliary contact；The stroke of auxiliary contact
(distance and auxiliary touch panel to the distance between auxiliary contact sum of support member to auxiliary touch panel) is slightly less than the stroke of main contact
(the distance between tactile bridge to binding post), and the flexible deformation space of auxiliary touch panel of cantilever, when main contact is connected, auxiliary is touched
Head is in excess of stroke state, it is ensured that the performance of the device and life-span, when main contact disconnects, auxiliary contact can slightly be later than main contact and break
Open, can effectively prevent from judging by accident caused by main contact melting welding；In addition, the receiving terminal of two signal wires is arranged in closed housing
Outside, signal receiving end can be made to keep apart with signal issuing side, the apparatus for transmitting signal is applied to various rugged environments
In.
Brief description of the drawings
Fig. 1 is the top view of the apparatus for transmitting signal of the utility model embodiment；
Fig. 2 is the A-A sectional views of the apparatus for transmitting signal of the utility model embodiment；
Fig. 3 is local E enlarged drawing；
Fig. 4 is the B-B sectional views of the apparatus for transmitting signal of the utility model embodiment；
Fig. 5 is local F enlarged drawing；
Fig. 6 is that (main contact and auxiliary contact are disconnected for the C-C sectional views of the apparatus for transmitting signal of the utility model embodiment
Open)；
Fig. 7 is local G enlarged drawing；
Fig. 8 is C-C sectional views (main contact access failure, the auxiliary contact of the apparatus for transmitting signal of the utility model embodiment
Connect)；
Fig. 9 is that (main contact is connected, and auxiliary contact deposits for the C-C sectional views of the apparatus for transmitting signal of the utility model embodiment
In the excess of stroke)；
Figure 10 is that (main contact is connected with auxiliary contact for the C-C sectional views of apparatus for transmitting signal of the utility model embodiment
The excess of stroke be present)；
Label declaration：
1st, housing；1-1, pedestal；1-2, lid；2nd, push rod；3rd, bridge is touched；4th, support member；
5th, binding post；6th, touch panel is aided in；7th, auxiliary contact；8th, the first signal wire；9th, secondary signal line；
10th, binding post；11st, copper rivet；12nd, the first spring；13rd, second spring；14th, magnet；
15th, coil；16th, winding wire；17th, baffle plate；18th, arc-extinguish chamber.
Embodiment
For detailed description technology contents of the present utility model, the objects and the effects, below in conjunction with embodiment and match somebody with somebody
Accompanying drawing is closed to be explained.
The design of the utility model most critical is:Main contact includes touching bridge 3 and binding post 5, and auxiliary contact is included successively
The auxiliary touch panel 6 and auxiliary contact 7 that support member 4, the cantilever of setting are set, touch bridge 3 and support member 4 drive by push rod 2, auxiliary
The stroke of contact is helped to be slightly less than the stroke of main contact.
Refer to Fig. 1 to Fig. 7, a kind of apparatus for transmitting signal, including closed housing 1, push rod 2, touch bridge 3, support member 4,
Binding post 5, auxiliary touch panel 6, auxiliary contact 7 and two signal wires, the push rod 2 are arranged in the housing 1；The tactile bridge 3
It is socketed on the top of the push rod 2；The support member 4 is rigidly connected with the tactile bridge 3；The binding post 5 is arranged at described touch
The top of bridge 3；The auxiliary contact 7 are fixed on the top of the support member 4；The auxiliary touch panel 6 is arranged at the auxiliary and touched
Between point 7 and support member 4, and aid in touch panel 6 hanging close to one end of the auxiliary contact 7, the other end of auxiliary touch panel 6 is consolidated
Due to the housing 1；A piece signal wire is connected to the auxiliary contact 7, and another signal wire is connected to the auxiliary touch panel 6；
The distance of the support member 4 to auxiliary touch panel 6 is less than the tactile bridge 3 with the distance between auxiliary touch panel 6 to auxiliary contact 7 sum
The distance between to binding post 5.
It was found from foregoing description, the beneficial effects of the utility model are：When push rod acts upwards, bridge and support member are touched
Motion upwards therewith, touch bridge and the connection for realizing main contact is contacted with binding post；The auxiliary touch panel that cantilever is set simultaneously is in support member
The effect of top power under it is upwardly-deformed contacted with auxiliary contact, so as to connect two signal wires, realize the signal transmission of auxiliary contact；
The stroke of auxiliary contact is slightly less than the stroke of main contact, and the flexible deformation space of auxiliary touch panel of cantilever, and main contact is connected
When, auxiliary contact is in excess of stroke state, it is ensured that the performance of the device and life-span, when main contact disconnects, auxiliary contact can be slightly slow
Disconnected in main contact, can effectively prevent from judging by accident caused by main contact melting welding；In addition, the receiving terminal of two signal wires is arranged in close
Outside the housing closed, signal receiving end can be made to keep apart with signal issuing side, the apparatus for transmitting signal is applied to various evils
In bad environment.
Further, in addition to the first spring 12, the top of the push rod 2 are provided with step, 12 sets of first spring
Located at the push rod 2, one end of the first spring 12 is held in the step, and the other end of the first spring 12 is held in described touch
Bridge 3.
Seen from the above description, it is elastic connection between the push rod and tactile bridge, main contact can be made to be produced in closure super
Journey, reliable contacts still are able to after main contact galvano-cautery can be ensured, improve the life-span.
Further, in addition to magnet 14 and coil 15, the magnet 14 and coil 15 are arranged in the housing 1, institute
Coil 15 is stated to set around the magnet 14；The bottom of the push rod 2 is connected to the magnet 14.
Seen from the above description, the magnet and coil can provide power for push rod, and magnetic field, magnet are produced after coil electricity
Move under the influence of a magnetic field, so as to drive pushrod movement.
Further, in addition to baffle plate 17 and second spring 13, the baffle plate 17 is fixed in the housing 1, described to push away
Bar 2 passes through the baffle plate 17, and the second spring 13 is sheathed on the push rod 2, and one end of second spring 13 be held in it is described
Baffle plate 17, the other end of second spring 13 are held in the magnet 14.
Seen from the above description, the second spring can provide an elastic-restoring force for magnet, need breaking-off contact
When, help magnet to reset.
Further, in addition to binding post 10 and copper rivet 11, one end of the binding post 10 is connected to described another
A piece signal wire, the other end of binding post 10 are riveted by the copper rivet 11 and the auxiliary touch panel 6.
Further, in addition to arc-extinguish chamber 18, the arc-extinguish chamber 18 are arranged in the housing 1, the auxiliary He of touch panel 6
The signal wire is respectively arranged at the both sides of the arc-extinguish chamber 18；The auxiliary contact 7 are arranged in the arc-extinguish chamber 18, and aid in
Contact 7 is more than the mating surface with arc-extinguish chamber 18 close to the end face of one end of auxiliary touch panel 6.
Seen from the above description, the end face of auxiliary contact is more than the mating surface with arc-extinguish chamber, auxiliary contact can be consolidated
It is qualitative more preferable, reduce between auxiliary touch panel and auxiliary contact open away from error.
Further, it is fluid sealant that the housing 1, which includes pedestal 1-1 and lid 1-2, the lid 1-2, the signal wire
One end be sealed in the lid 1-2, the other end of signal wire stretches out the lid 1-2.
Seen from the above description, by sealant sealing inside the apparatus for transmitting signal so that inside and outside thoroughly isolates, and makes letter
Number issuing side is isolated to two spaces with signal receiving end, can be applied to it is some need by signal issuing side and signal receiving end every
The special occasions left.
Further, the lid 1-2 is ceramics, and conjunction can be cut down by there is soldering between the periphery of the lid 1-2 and pedestal 1-1
Gold.
Seen from the above description, the kovar alloy on ceramic periphery can play a part of sealing.
Further, the auxiliary touch panel 6 is bent close to one end of the auxiliary contact 7 towards auxiliary contact 7.
Seen from the above description, auxiliary touch panel is arranged to bending, on the one hand can be more convenient to aid in the cantilever termination of touch panel
Auxiliary contact are contacted, on the other hand bigger elastic deformation space can be provided for auxiliary contact.
Embodiment one
Fig. 1 to Fig. 7 is refer to, embodiment one of the present utility model is：A kind of apparatus for transmitting signal, including closed housing
1st, magnet 14, coil 15, push rod 2, tactile bridge 3, support member 4, binding post 5, auxiliary touch panel 6, auxiliary contact 7, the and of the first signal wire 8
Secondary signal line 9, it is fluid sealant that the housing 1, which includes pedestal 1-1 and lid 1-2, the lid 1-2, first signal wire 8
It is sealed in one end of secondary signal line 9 in the fluid sealant, the other end of the first signal wire 8 and secondary signal line 9 stretches out institute
State lid 1-2.Certain, the lid 1-2 can also use ceramics to replace, when the lid 1-2 is ceramic, lid 1-2 week
Soldering has kovar alloy between side and pedestal 1-1, to ensure that housing 1 has preferable sealing effectiveness.
The magnet 14 and coil 15 are arranged in the housing 1, and the coil 15 is set around the magnet 14, institute
Stating coil 15 can be powered by winding wire 16, and provide magnetic field for magnet 14；The bottom of the push rod 2 is connected to described
Magnet 14.The tactile bridge 3 is socketed on the top of the push rod 2, and it is elastic connection between bridge 3 and push rod 2 to touch；Specifically, with reference to
Fig. 4, Fig. 5 or Fig. 6, the top of the push rod 2 are provided with step, and the first spring 12, first bullet are socketed with the step
One end of spring 12 is held in the step, and the other end of the first spring 12 is held in the tactile bridge 3, when push rod 2 moves upwards, pushed away
The step of bar 2 extrudes the first spring 12, and the first spring 12 produces elastic force and promotes tactile bridge 3 to move upwards.The support member 4 and institute
State tactile bridge 3 to be rigidly connected, the inner side of support member 4 is provided with neck, and the tactile bridge 3 is connected in the neck.The binding post 5
It is arranged at the top of the tactile bridge 3；The auxiliary contact 7 are fixed on the top of the support member 4；The auxiliary contact 7 and branch
The auxiliary touch panel 6 is provided between support member 4, the auxiliary touch panel 6 is hanging and described close to one end of the auxiliary contact 7
The free end of auxiliary touch panel 6 is bent towards auxiliary contact 7, certain, the auxiliary touch panel 6 can also be to away from auxiliary contact 7
Direction bending, can not also bend, directly auxiliary touch panel 6 be made straight, the auxiliary touch panel of all shapes is in this practicality
Within new protection domain.The other end of auxiliary touch panel 6 is fixed on the housing 1.As shown in Fig. 7, the first signal wire 8 connects
The auxiliary contact 7 are connected to, as shown in figure 3, secondary signal line 9 is connected to the auxiliary touch panel 6.In the present embodiment, it is described
The place for pressing close to the fluid sealant in housing 1 is additionally provided with arc-extinguish chamber 18, and the auxiliary touch panel 6 is arranged at the arc-extinguish chamber 18
Inner side, the outside of the arc-extinguish chamber 18 are provided with binding post 10, and one end of the binding post 10 is connected to second letter
Number line 9, the other end of binding post 10 are riveted by a copper rivet 11 and the auxiliary touch panel 6.The auxiliary contact 7 are worn
In the arc-extinguish chamber 18, the both ends of auxiliary contact 7 are located inside and outside arc-extinguish chamber 18 respectively, first signal wire 8
The upper end of the auxiliary contact 7 is welded in, the end face of the lower end of auxiliary contact 7 is more than the mating surface with arc-extinguish chamber 18, made with this
Auxiliary contact 7 can be fixed on arc-extinguish chamber 18 well.Baffle plate 17, the baffle plate 17 are further fixedly arranged in the housing 1
Positioned at the top of the magnet 14, the push rod 2 passes through the baffle plate 17, and the push rod 2 is arranged with close to one end of magnet 14
Second spring 13, and one end of second spring 13 is held in the baffle plate 17, the other end of second spring 13 is held in the magnetic
Iron 14.
The distance of the support member 4 to auxiliary touch panel 6 is less than with auxiliary touch panel 6 to the distance between auxiliary contact 7 sum
The tactile bridge 3 arrives the distance between binding post 5.As shown in fig. 6, before coil electricity, touch bridge 3 and arrived to binding post 5, auxiliary touch panel 6
After auxiliary contact 7 are powered not in contact with, winding wire 16, coil 15 produces magnetic field, and magnet 14 can drive push rod 2 to move upwards,
Bridge 3 and support member 4 is touched to move upwards by the elastic force of spring.Because the stroke of main contact is slightly larger than auxiliary contact, therefore aid in
Contact is connected after first connecting main contact, as shown in figure 8, i.e. auxiliary touch panel 6 first touch auxiliary contact 7, touch bridge 3 also not in contact with to
Binding post 5；As shown in figure 9, as push rod 2 moves further up, auxiliary touch panel 6 continues elastic deformation and produces the excess of stroke, touches bridge 3
Touch binding post 5.Because the movement velocity of magnet 14 is exceedingly fast, so the time phase difference that both connect is several milliseconds, it is almost
It is also turned on.As shown in Figure 10, if support member 4 is further up, the excess of stroke occurs for main contact and auxiliary contact.Need to disconnect electricity
Lu Shi, coil 15 stop providing magnetic field or provide the magnetic field of opposite direction, and push rod 2 moves downward, and touch bridge 3 and first leave binding post 5,
Touch panel 6 is aided in further out auxiliary contact 7, main contact must be off-state during ensureing that auxiliary contact disconnects, and can effectively prevent
Misjudgment phenomenon occurs during main contact melting welding.
In summary, apparatus for transmitting signal provided by the utility model can synchronously transmit the signal of main contact, while energy
It is enough effectively to prevent main contact from caused erroneous judgement during melting welding occurs, it is ensured that the accuracy of signal transmission, while can will transmit signal
End and signal receiving end are kept apart, and can be applied to various rugged environments.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, similarly it is included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of apparatus for transmitting signal, it is characterised in that including closed housing, push rod, touch bridge, support member, binding post, auxiliary
Touch panel, auxiliary contact and two signal wires, the push rod are arranged in the housing；The tactile bridge is socketed on the upper of the push rod
Portion；The support member is rigidly connected with the tactile bridge；The binding post is arranged at the top of the tactile bridge；The auxiliary contact are consolidated
Due to the top of the support member；The auxiliary touch panel is arranged between the auxiliary contact and support member, and aids in touch panel to lean on
One end of the nearly auxiliary contact is hanging, aids in the other end of touch panel to be fixed on the housing；A piece signal wire is connected to described
Auxiliary contact, another signal wire are connected to the auxiliary touch panel；Distance and auxiliary touch panel of the support member to auxiliary touch panel
To the distance between auxiliary contact sum less than the distance between described tactile bridge to binding post.
2. apparatus for transmitting signal as claimed in claim 1, it is characterised in that also including the first spring, the top of the push rod
Step is provided with, first spring housing is located at the push rod, and one end of the first spring is held in the step, the first spring
The other end is held in the tactile bridge.
3. apparatus for transmitting signal as claimed in claim 1, it is characterised in that also including magnet and coil, the magnet and line
Circle is arranged in the housing, and the coil is set around the magnet；The bottom of the push rod is connected to the magnet.
4. apparatus for transmitting signal as claimed in claim 3, it is characterised in that also including baffle plate and second spring, the baffle plate
It is fixed in the housing, the push rod passes through the baffle plate, and the second spring is sheathed on the push rod, and second spring
One end is held in the baffle plate, and the other end of second spring is held in the magnet.
5. apparatus for transmitting signal as claimed in claim 1, it is characterised in that described to connect also including binding post and copper rivet
One end of line terminals is connected to another signal wire, and the other end of binding post is touched by the copper rivet and the auxiliary
Plate rivets.
6. apparatus for transmitting signal as claimed in claim 1, it is characterised in that be also arranged at including arc-extinguish chamber, the arc-extinguish chamber
It is described to aid in touch panel and the signal wire to be respectively arranged at the both sides of the arc-extinguish chamber in the housing；The auxiliary contact are worn
Located at the arc-extinguish chamber, and auxiliary contact are more than the mating surface with arc-extinguish chamber close to the end face of one end of auxiliary touch panel.
7. apparatus for transmitting signal as claimed in claim 1, it is characterised in that the housing includes base and cover, the lid
Son is fluid sealant, and one end of the signal wire is sealed in the lid, and the other end of signal wire stretches out the lid.
8. apparatus for transmitting signal as claimed in claim 7, it is characterised in that the lid is ceramic, the periphery of the lid
Soldering has kovar alloy between pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814906.6U CN207052490U (en) | 2017-07-06 | 2017-07-06 | A kind of apparatus for transmitting signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814906.6U CN207052490U (en) | 2017-07-06 | 2017-07-06 | A kind of apparatus for transmitting signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052490U true CN207052490U (en) | 2018-02-27 |
Family
ID=61495070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720814906.6U Withdrawn - After Issue CN207052490U (en) | 2017-07-06 | 2017-07-06 | A kind of apparatus for transmitting signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146720A (en) * | 2017-07-06 | 2017-09-08 | 天水二三电器有限公司 | A kind of apparatus for transmitting signal |
-
2017
- 2017-07-06 CN CN201720814906.6U patent/CN207052490U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146720A (en) * | 2017-07-06 | 2017-09-08 | 天水二三电器有限公司 | A kind of apparatus for transmitting signal |
| CN107146720B (en) * | 2017-07-06 | 2019-11-22 | 天水二一三电器有限公司 | A kind of apparatus for transmitting signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3742460A1 (en) | High-voltage dc relay | |
| CN105280440A (en) | Sealed direct current contactor with signal feedback | |
| CN207052490U (en) | A kind of apparatus for transmitting signal | |
| CN101419874B (en) | Sealed travel switch | |
| CN106783342A (en) | Two positions snap switch | |
| CN103515764B (en) | Electric connector | |
| CN107146720A (en) | A kind of apparatus for transmitting signal | |
| CN102509919B (en) | Leakage protection socket with inverted wiring protection function | |
| CN103928255B (en) | A kind of long stroke waterproof micro switch | |
| CN210429658U (en) | Switch tube | |
| CN207542172U (en) | Snap switch and with its breaker | |
| CN205450205U (en) | Circuit breaker and test device thereof | |
| CN107749363A (en) | A kind of small switch | |
| CN202633091U (en) | Explosion-proof switch | |
| CN203799917U (en) | Long-stroke waterproof microswitch | |
| CN203562357U (en) | Reed-type four-way microswitch | |
| CN208834968U (en) | Disconnecting switch with built-in bus switching current device | |
| CN207602447U (en) | A kind of short stroke microswitch | |
| CN207217830U (en) | A kind of precompressed high-tension elastic sheet connector | |
| CN105261865B (en) | A kind of power supply changeover device | |
| CN209487454U (en) | The contact of omnipotent breaker supports device | |
| CN212907548U (en) | Magnetic switch | |
| CN209708927U (en) | Novel small-sized breaker | |
| CN214651848U (en) | Mechanical parallel opening and closing clamping jaw | |
| CN204651273U (en) | Novel small-sized circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20191122 |
|
| AV01 | Patent right actively abandoned |