CN104409233A - Travel switch related to elevator application - Google Patents
Travel switch related to elevator application Download PDFInfo
- Publication number
- CN104409233A CN104409233A CN201410705550.3A CN201410705550A CN104409233A CN 104409233 A CN104409233 A CN 104409233A CN 201410705550 A CN201410705550 A CN 201410705550A CN 104409233 A CN104409233 A CN 104409233A
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- Prior art keywords
- housing
- component
- silver nail
- action
- spring
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to the technical field of electric appliance control, in particular to an improved elevator travel switch UKS device. The improved elevator travel switch UKS device is characterized in that when a the pull rod of a motion component transmits received external force to a spring, the movable contact silver nail on the spring switches the off or on state of the static contact silver nail on a contact column, low motion travel and high positioning precision are achieved, and an elevator mechanism is controlled to work; the device comprises a static component, the motion component, a switching component and sealing component, when the motion component is influenced by force with regulated magnitude, the motion component drives the switching component to switch the off or on state of the static component, the seal component provides necessary protection for the switch, and the whole device is safe and controllable; multiple structural modifications are made, on and off of the switch are reliable, sealing and insulating performance is increased, and the device is novel in overall structure, simple, and safe and reliable.
Description
[technical field]
The present invention relates to technical field of electric device control, be a kind ofly specifically widely used in the travel switch of relevant elevator applications of switch that all kinds of elevator safety parts are spacing, control stroke, wink action.
[background technology]
Travel switch is the one of position switch, is a kind of conventional small area analysis master control electrical apparatus.Utilize the collision of manufacturing machine moving component to make its contact action to realize to connect or disjunction control circuit, reach certain control object.Usually, this kind of switch is used to position or the stroke of limit mechanical motion, make that movable machinery stops automatically by certain position or stroke, counter motion, variable motion or back and forth movement etc. automatically.
As everyone knows, travel switch utilizes the collision of mechanical moving element to make its contact action to realize to connect or disjunction control circuit and mechanism, reach and necessarily control object, travel switch is mainly divided into Direct Action Type, roller type, inching and composite type by its structure, and its principle of different infrastructure products and effect are different.
Existing Direct Action Type elevator-distance switch UKS type structure mobile phone is unreasonable, and service behaviour is poor, and it is unreliable that dynamic static contact connects, and housing design is dangerous, thus, is necessary to carry out improvement and bring new ideas.
[summary of the invention]
The object of this invention is to provide a kind of travel switch of novel structure; play the protective effect that each parts in product upper unit and elevator are normally run; as elevator remarkable action or exceed predetermined stroke distance; this switch just action power dump immediately, or drive miscellaneous part to make elevator enter safe state according to designing requirement.
To achieve these goals, design the travel switch about elevator applications, comprise action component, static component, transition components, closed component, conduct to spring when the pull bar of action component receives External Force Acting, moving contact silver nail on spring disconnects the fixed contact silver nail in contact post or closed state switches, and actuating length is little, and positioning precision is high, realize controlling elevator institution staff, this device is made up of following part:
A. static component is respectively by housing 18, contact post 7, fixed contact silver nail 6 is formed, the inner chamber of described housing 18 is provided with the structure putting into action component, housing cavity top is provided with seal cover board 13 and cover plate 14, the syndeton of cylindrical protrusion shape is provided with in the middle of housing left side wall, in order to connect leather sheath 8, inner chamber is provided with in the syndeton of cylindrical protrusion shape, in order to put into the pull bar 1 of action component, be provided with cylindrical female in the middle of housing right side wall and protrude shape syndeton, in order to connect plug screw 17, described seal cover board 13 connects left and right contact post 7 one end, fixed contact silver nail 6 is provided with at left and right contact post 7 other end,
B. action component and transition components: by pull bar 1, support 10, pad 11, crane span structure 2, connecting plate 3, moving contact silver nail 5, spring 12 is formed, after pull bar 1 penetrates support 10, and embed the inner chamber that housing 18 left side wall intermediate cylindrical external screw thread protrudes shape, on pull bar, cover has pad 11 successively, spring leaf 4, crane span structure 2, moving contact silver nail 5, spring 12, corresponding left and right contact post 7 and fixed contact silver nail 6 is provided with at moving contact silver nail about 5 contact intersections, when action component backward stick action, the fixed contact silver nail 6 in the moving contact of connecting plate 3 both sides in crane span structure 2 silver nail 5 contact static component is driven to complete two kinds of different conditions that are closed or that disconnect, described transition components is spring leaf 4, described spring leaf 4 is arranged on housing 8 inner chamber left part position, and connected and composed by frame structure, give to fix by the groove on housing cavity base plate, spring leaf 4 right part is connected to left and right static component and dynamic assembly successively, when dynamic assembly receives positive force or opposite force action, spring leaf 4 drives switch to close or disconnects,
C. closed component is respectively by leather sheath 8, liner 9, seal cover board 13, cover plate 14, plug screw 17, side's pad combined screw 15, cover plate screw 16 is formed, described leather sheath 8 is socketed in housing 18 left side wall intermediate cylindrical and protrudes in the syndeton of shape, described plug screw 17 adopts with housing 18 right side wall intermediate cylindrical and is threaded, described seal cover board 13 is provided with hole, the left and right sides, by just padding combined screw 15 connecting terminal post 7 one end, and put into housing cavity, liner 9 is provided with on seal cover board 13, then, liner 9 is put into cover plate 14, housing 18 top is fixed on by cover plate screw 16, switch is had dust-proof, waterproof, the effect of insulation, more safe and reliable.
Described action component and transition components replace with by pull bar 1, support 10, crane span structure 2, spring 11, left and right moving contact silver nail 4 on connecting plate 3, stage clip 5 is formed, after pull bar 1 penetrates support 10, and embed the inner chamber that housing 17 left side wall intermediate cylindrical external screw thread protrudes shape, on pull bar, cover has crane span structure 2 successively, spring 11, and be connected with connecting plate 3, stage clip 5 is provided with after connecting plate 3, corresponding left and right contact post 7 and fixed contact silver nail 6 is provided with at left and right moving contact silver nail 4 intersections, when action component backward stick action, the fixed contact silver nail 6 in the moving contact of connecting plate 3 both sides in crane span structure 2 silver nail 4 contact static component is driven to complete two kinds of different conditions that are closed or that disconnect, described transition components is stage clip 5, and described stage clip 5 is arranged on housing 17 inner chamber connecting plate lower position, structurally withstands housing 17 and crane span structure 2 simultaneously, and when dynamic assembly receives positive force or opposite force action, stage clip 5 drives switch to close or disconnects.
Pull bar 1 material of action component adopts 45# steel, and support 10 material is flame-proof ABS, and gasket material is galvanized steel plain sheet, crane span structure 2 material is reinforced nylon, connecting plate 3 material is H62 copper, and moving contact silver nail 5 is silver-bearing copper composite material, and spring 12 material is zinc-plated carbon steel wire.
Spring leaf 4 material of transition components adopts 304 steel bands, will keep long elasticity after its quenching.
The stage clip 5 of transition components is adopted as stainless steel material, in the straight trough degree of lip-rounding.
Housing 18 material of static component adopts flame-proof ABS, and contact post 7 material adopts H62 copper, and fixed contact silver nail material is silver-bearing copper composite material.
Leather sheath 8 material of closed component adopts silastic material, and liner 9 adopts silastic material, and seal cover board 13 adopts reinforced nylon material, and cover plate 14 material adopts benzene material.
The inner ring of leather sheath near above and below be respectively equipped with certain convex shape, the structure of this shape and pull bar 1 and the cylindrical protrusion shape of housing 18 left side wall is fitted completely, has waterproof and dustproof effect.
Liner 9 is fixed on housing upper surface by cover plate 14 and cover plate screw, has waterproof and dustproof effect.
Seal cover board 13 structure and cavity cover plate 14 structure form duplicate protection, realize secondary insulation.
Plug screw 17 adopts internal and external threads to connect in the middle of housing 18 right side wall and is provided with the inner chamber that cylindrical female protrudes shape, plays closed dust effect.
The invention has the advantages that:
1. switch is made up of static component, action component, transition components and closed component; the impact being subject to prescribed level power when action component drives transition components to disconnect or the switching of closed state switch static component immediately; closed component then gives necessary protection for switch self, makes general safety controlled.
2. structure has been made multinomial improvement, make switch closed more reliable with disconnection, improve and close and insulation property, overall structure is novel, simply, reliably safer:
A. shell structure adjusts, and its structure has made the installation requirement that corresponding adjustment meets New Parent contact post and seal cover board as required;
B. contact post be substituted for brace, when employing brace pattern easily occurs and fixes unreliable loosening phenomenon between housing, the relative space position of fixed contact silver nail is caused to depart from the situation of even loose contact, it installs simple to adopt contact post pattern after improving, fixing reliable, and lock with below up while of padding combined screw with housing, seal cover board and side, farthest ensure that its security reliability;
C. fixed contact silver nail dimension size changes, to meet the requirement that itself and contact post are reliably fixed;
D. seal cover board is added; be arranged on housing cavity top position and the overall orientation, upper middle of housing to put; structurally being designed with three place's high spots can close fixing with three place's recess of housing design completely; and be in contact post in its two side holes; side's pad combined screw is fastening; farthest ensure that its security performance, be completely closed to form duplicate protection with outside simultaneously, the requirement of meeting tier 2 insulation.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the invention;
Fig. 2 is the casing structure schematic diagram in the present invention;
Fig. 3 is the connecting plate organigram in the present invention;
Fig. 4 is assembling structure schematic diagram of the present invention;
Fig. 5 is the structural representation of another embodiment of the present invention;
Fig. 6 is another embodiment connecting plate organigram in the present invention;
Fig. 7 is another embodiment of the present invention assembling structure schematic diagram;
In Fig. 1 to Fig. 4: 1. pull bar 2. crane span structure 3. connecting plate 4. spring leaf 5. moving contact silver nail 6. fixed contact silver nail 7. contact post 8. leather sheath 9. liner 10. support 11. pad 12. spring 13. seal cover board 14. cover plate 15. side pad combined screw 16. cover plate screw 17. plug screw 18. housings;
In Fig. 5 to Fig. 7: 1. pull bar 2. crane span structure 3. connecting plate 4. moving contact silver nail 5. stage clip 6. fixed contact silver nail 7. contact post 8. leather sheath 9. liner 10. support 11. spring 12. seal cover board 13. cover plate 14. side pad combined screw 15. cover plate screw 16. plug screw 17. housings;
Specify Fig. 1 as Figure of abstract of the present invention.
[embodiment]
Below in conjunction with accompanying drawing, the invention will be further described, and the structure of this device and principle are very clearly concerning the people of this specialty.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Fig. 1 and Fig. 4, elevator-distance switch UKS device is made up of static component, action component, transition components and closed component, conduct to spring 12 when the pull bar 1 of action component receives External Force Acting, fixed contact silver nail 6 in moving contact silver nail 5 pairs of contact post 7 on spring 12 disconnects or closed state switches, actuating length is little, positioning precision is high, realizes controlling elevator institution staff.
In four modular assemblies, static component is shown in Fig. 2, comprising: housing 18, contact post 7, fixed contact silver nail 6 totally three parts.Fixing and the action that housing 18 material is ABS (fire-retardant) is other parts in cuboid form provides basis.Contact post 7 material is H62 copper, is connected to housing 18 and fixed contact silver nail 6.Fixed contact silver nail 6 materials are silver-bearing copper composite material, are fixed in contact post 7.
Be more than static component, comprise two fixed contacts silver nail 6 and be fixed on two contact post, 7, two contact post 7 and insert in the circular groove of two side positions in the middle of housing 18 inner chamber fixing.
Action component comprises: pull bar 1, support 10, pad 11, crane span structure 2, connecting plate 3 (see Fig. 3), moving contact silver nail 5, spring 12 totally seven parts.Pull bar 1 material is 45# steel, and in axle shape, action will be carried out by External Force Acting sweeping action assembly at first in its sphere one end, and the other end has thread to fix with crane span structure 2 the most at last.Support 10 material is ABS (fire-retardant), and in cuboid, an end face withstands pull bar 1, and another side withstands pad 11 simultaneously, spring leaf 4 and crane span structure 2, and its rectangular structure penetrates housing 18 by whole action component and the support and connection of static component phase from outward.Pad 11 material is zinc-plated cold-rolled steel sheet, fits with support 10 and spring leaf 4, and its larger stress surface and rubbing surface make spring leaf 4 uniform force, ensure that operating reliability.Crane span structure 2 material is reinforced nylon, and its one side has attacked screw thread and pull bar 1 is fastening, and outside is connected to support 10 and pad 11 simultaneously.Crane span structure 2 inside comprises inner chamber and connecting plate 3, moving contact silver follows closely 5, spring 12 is connected.The fixed contact silver nail 6 in the moving contact of connecting plate 3 both sides in crane span structure 2 silver nail 5 contact static component can be driven two kinds of different conditions that are closed or that disconnect are completed when action component action.Connecting plate 3 material is H62 copper, and its two ends and moving contact silver are followed closely 5 and fixed, and are connected with crane span structure 2 under the active force of spring 12.Mainly play the relative space position of locking moving contact silver nail 5, follow closely the relative space position symmetry of 6 with fixed contact silver in static component, when switch is closed, moving contact silver nail 5 is aimed at fixed contact silver 6 centers of following closely, and touch-safe is reliable.Moving contact silver nail 5 materials are silver-bearing copper composite material, are separately fixed at the both sides of connecting plate.Spring 12 material is zinc-plated carbon steel wire, and its two ends withstand inner chamber one end and the connecting plate 3 of crane span structure 2 respectively, expand outwardly the characteristic of extruding, three be interconnected integral because it is stressed.
It is more than action component, the circular central position, axes alignment housing 18 one end of pull bar 1, be connected to support 10, pad 11, crane span structure 2, connecting plate 3, moving contact silver nail 5, spring 12 simultaneously, seven parts are interfixed, penetrate housing 18 from center, under the support of support 10 and crane span structure 2, action component and static component are organically formed one.
Transition components is spring leaf 4, totally one part.Spring leaf 4 material is 304 steel bands, will keep long-time elastic characteristic after its quenching.Spring leaf 4 is arranged on housing 18 inner chamber leftward position and both is fixed by special equipment, and both sides are connected to static component and dynamic assembly.The positive force of dynamic assembly prescribed level and action can be subject to, drive switch closed or disconnect.Also can be subject to the opposite force of dynamic assembly prescribed level and action, driving switch closed or disconnect, is a kind of simple, reliable transition components.
Closed component comprises: leather sheath 8, liner 9, seal cover board 13, cover plate 14, plug screw 17, side pad combined screw 15, cover plate screw 16 totally seven parts.Leather sheath 8 material is silicon rubber, certain convex shape is designed with respectively above and below its inner ring is close, can combine with the recess of housing 18 with pull bar 1 respectively and be fixed, there is dustproof effect, and to close with the external world because the elastic characteristic of silicon rubber makes to fit completely herein and to have waterproof action.Liner 9 material is silicon rubber, and its shape is consistent with housing 18 upper surface, is fixed on housing 18 upper surface, has dustproof effect by cover plate 14 and cover plate screw 16, and is closed with waterproof action because the elastic characteristic of silicon rubber makes to fit completely with the external world herein.Seal cover board 13 material is reinforced nylon, and its shape is consistent with the raised place of housing 18 inner chamber, and structurally can fix separately with housing 18, and simultaneously fit with contact post 7 symmetry in the hole of both sides, is locked by just padding combined screw 15.This structure, by completely closed for housing 18 inside, be completely closed to form duplicate protection with housing 18 outside, namely realize secondary insulation.Cover plate 14 material is benzene; its shape is consistent with housing 18 upper surface to be fixed by cover plate screw 16 and liner 9 and housing 18; housing 18 internal structure can be seen by its transparent characteristic; also formed with outside closed while of making switch convenient operation more directly perceived and safeguard, play insulation protection effect.Plug screw 17 material is ABS, and its outside attacks thread and housing 18 threaded one end place rearward interfixes, and plays the effect of closed dust.Side's pad combined screw 15 and cover plate screw 16, fastening with contact post 7 and housing 18 respectively, each part in switch is organically combined into one.
Be more than closed component, make switch internal and the external world completely isolated, have dust-proof, waterproof, the effect of insulation, make the structure of switch more safe and reliable.
Embodiment 2
As shown in Figures 5 to 7, elevator-distance switch UKT device is made up of static component, action component, transition components and closed component, conduct to spring 11 when the pull bar 1 of action component receives External Force Acting, fixed contact silver nail 6 in moving contact silver nail 4 pairs of contact post 7 on spring 11 disconnects or closed state switches, actuating length is little, positioning precision is high, realizes controlling elevator institution staff.
In four modular assemblies, static component comprises: housing 17, contact post 7, fixed contact silver nail 6 totally three parts.Fixing and the action that housing 17 material is ABS (fire-retardant) is other parts in cuboid form provides basis.Contact post 7 material is H62 copper, is connected to housing 17 and fixed contact silver nail 6.Fixed contact silver nail 6 materials are silver-bearing copper composite material, are fixed in contact post 7.
Be more than static component, comprise two fixed contacts silver nail 6 and be fixed on two contact post, 7, two contact post 7 and insert in the circular groove of two side positions in the middle of housing 17 inner chamber fixing.
Action component comprises: pull bar 1, support 10, crane span structure 2, connecting plate 3, moving contact silver nail 4, spring 11, totally six parts.Pull bar 1 material is 45# steel, and in axle shape, action will be carried out by External Force Acting sweeping action assembly at first in its sphere one end, and the other end has thread to fix with crane span structure 2 the most at last.Support 10 material is ABS (fire-retardant), and in cuboid, an end face withstands pull bar 1, and another side withstands crane span structure 2 simultaneously, and its rectangular structure penetrates housing 17 by whole action component and the support and connection of static component phase from outward.Crane span structure 2 material is reinforced nylon, and its one side has attacked screw thread and pull bar 1 is fastening, and outside is connected to support 10 simultaneously.Crane span structure 2 inside comprises inner chamber and connecting plate 3, moving contact silver follows closely 4, spring 11 is connected.The fixed contact silver nail 6 in the moving contact of connecting plate 3 both sides in crane span structure 2 silver nail 4 contact static component can be driven two kinds of different conditions that are closed or that disconnect are completed when action component action.Connecting plate 3 material is H62 copper, and its both sides and moving contact silver are followed closely 4 and fixed, and are connected with crane span structure 2 under the active force of spring 11.Mainly play the relative space position of locking moving contact silver nail 4, follow closely the relative space position symmetry of 6 with fixed contact silver in static component, when switch is closed, moving contact silver nail 4 is aimed at fixed contact silver 6 centers of following closely, and touch-safe is reliable.Moving contact silver nail 4 materials are silver-bearing copper composite material, are separately fixed at the both sides of connecting plate.Spring 11 material is zinc-plated carbon steel wire, and its two ends withstand inner chamber one end and the connecting plate 3 of crane span structure 2 respectively, expand outwardly the characteristic of extruding, three be interconnected integral because it is stressed.
It is more than action component, the circular central position, axes alignment housing 17 one end of pull bar 1, be connected to support 10, crane span structure 2, connecting plate 3, moving contact silver nail 4, spring 11 simultaneously, six parts are interfixed, penetrate housing 17 from center, under the support of support 10 and crane span structure 2, action component and static component are organically formed one.
Transition components is stage clip 5, totally one part.Stage clip 5 material is stainless steel, in the straight trough degree of lip-rounding, is arranged on housing 17 inner chamber one end place rearward, structurally withstands housing 17 and crane span structure 2 simultaneously, achieve both sides and be connected to static component and dynamic assembly.Can be subject to dynamic assembly a certain size positive force and action, drive switch closed or disconnect.Also can be subject to dynamic assembly a certain size opposite force and action, driving switch closed or disconnect, is a kind of simple, reliable transition components.
Closed component comprises: leather sheath 8, liner 9, seal cover board 12, cover plate 13, plug screw 16, side pad combined screw 14, cover plate screw 15 totally seven parts.Leather sheath 8 material is silicon rubber, certain convex shape is designed with respectively above and below its inner ring is close, can combine with the recess of housing 17 with pull bar 1 respectively and be fixed, there is dustproof effect, and to close with the external world because the elastic characteristic of silicon rubber makes to fit completely herein and to have waterproof action.Liner 9 material is silicon rubber, and its shape is consistent with housing 17 upper surface, is fixed on housing 17 upper surface, has dustproof effect by cover plate 13 and cover plate screw 15, and is closed with waterproof action because the elastic characteristic of silicon rubber makes to fit completely with the external world herein.Seal cover board 12 material is reinforced nylon, and its shape is consistent with the raised place of housing 17 inner chamber, and can fix separately with housing 17 on project organization, and simultaneously fit with contact post 7 symmetry in the hole of both sides, is locked by just padding combined screw 14.This structure, by completely closed for housing 17 inside, be completely closed to form duplicate protection with housing 17 outside, namely realize secondary insulation.Cover plate 13 material is benzene; its shape is consistent with housing 17 upper surface to be fixed by cover plate screw 15 and liner 9 and housing 17; housing 17 internal structure can be seen by its transparent characteristic; also formed with outside closed while of making switch convenient operation more directly perceived and safeguard, play insulation protection effect.Plug screw 16 material is ABS, and its outside attacks thread and housing 17 threaded one end place rearward interfixes, and plays the effect of closed dust.Side's pad combined screw 14 and cover plate screw 15, respectively with contact post 7 and housing 17 fastening, each part in switch is organically combined into one.
Be more than closed component, make switch internal and the external world completely isolated, have dust-proof, waterproof, the effect of insulation, make the structure of switch more safe and reliable.
Claims (10)
1. the travel switch about elevator applications, comprise action component, static component, transition components, closed component, it is characterized in that conducting to spring when the pull bar of action component receives External Force Acting, moving contact silver nail on spring disconnects the fixed contact silver nail in contact post or closed state switches, actuating length is little, positioning precision is high, realizes controlling elevator institution staff, and this device is made up of following part:
A. static component is respectively by housing (18), contact post (7), fixed contact silver nail (6) is formed, the inner chamber of described housing (18) is provided with the structure putting into action component, housing cavity top is provided with seal cover board (13) and cover plate (14), the syndeton of cylindrical protrusion shape is provided with in the middle of housing left side wall, in order to connect leather sheath (8), inner chamber is provided with in the syndeton of cylindrical protrusion shape, in order to put into the pull bar (1) of action component, be provided with cylindrical female in the middle of housing right side wall and protrude shape syndeton, in order to connect plug screw (17), described seal cover board (13) connects contact post (7) one end, left and right, fixed contact silver nail (6) is provided with at left and right contact post (7) other end,
B. action component and transition components: by pull bar (1), support (10), pad (11), crane span structure (2), connecting plate (3), moving contact silver nail (5), spring (12) is formed, after pull bar (1) penetrates support (10), and embed the inner chamber that housing (18) left side wall intermediate cylindrical external screw thread protrudes shape, on pull bar, cover has pad (11) successively, spring leaf (4), crane span structure (2), moving contact silver nail (5), spring (12), in moving contact silver nail (5) contact, left and right, intersection is provided with corresponding left and right contact post (7) and fixed contact silver nail (6), when action component backward stick action, fixed contact silver nail (6) in the moving contact of connecting plate (3) both sides in crane span structure (2) silver nail (5) contact static component is driven to complete two kinds of different conditions that are closed or that disconnect, described transition components is spring leaf (4), spring leaf (4) is arranged on housing (8) inner chamber left part position, and connected and composed by frame structure, give to fix by the groove on housing cavity base plate, spring leaf (4) right part is connected to left and right static component and dynamic assembly successively, when dynamic assembly receives positive force or opposite force action, spring leaf (4) drives switch to close or disconnects,
C. closed component is respectively by leather sheath (8), liner (9), seal cover board (13), cover plate (14), plug screw (17), combined screw (15) pads in side, cover plate screw (16) is formed, described leather sheath (8) is socketed in housing (18) left side wall intermediate cylindrical and protrudes in the syndeton of shape, described plug screw (17) adopts with housing (18) right side wall intermediate cylindrical and is threaded, described seal cover board (13) is provided with hole, the left and right sides, by just padding combined screw (15) connecting terminal post (7) one end, and put into housing cavity, liner (9) is provided with on seal cover board (13), then, liner (9) is put into cover plate (14), housing (18) top is fixed on by cover plate screw (16), switch is had dust-proof, waterproof, the effect of insulation, more safe and reliable.
2. a kind of travel switch about elevator applications as claimed in claim 1, it is characterized in that action component and transition components replace with by pull bar (1), support (10), crane span structure (2), spring (11), left and right moving contact silver nail (4) on connecting plate (3), stage clip (5) is formed, after pull bar (1) penetrates support (10), and embed the inner chamber that housing (17) left side wall intermediate cylindrical external screw thread protrudes shape, on pull bar, cover has crane span structure (2) successively, spring (11), and be connected with connecting plate (3), stage clip (5) is provided with after connecting plate (3), in left and right moving contact, silver nail (4) intersection is provided with corresponding left and right contact post (7) and fixed contact silver nail (6), when action component backward stick action, fixed contact silver nail (6) in the moving contact of connecting plate (3) both sides in crane span structure (2) silver nail (4) contact static component is driven to complete two kinds of different conditions that are closed or that disconnect, described transition components is stage clip (5), described stage clip (5) is arranged on housing (17) inner chamber connecting plate lower position, structurally withstand housing (17) and crane span structure (2) simultaneously, when dynamic assembly receives positive force or opposite force action, stage clip (5) drives switch to close or disconnects.
3. a kind of travel switch about elevator applications as claimed in claim 1, it is characterized in that pull bar (1) material of action component and transition components adopts 45# steel, support (10) material is flame-proof ABS, gasket material is galvanized steel plain sheet, crane span structure (2) material is reinforced nylon, connecting plate (3) material is H62 copper, and moving contact silver nail (5) is silver-bearing copper composite material, and spring (12) material is zinc-plated carbon steel wire.
4. a kind of travel switch about elevator applications as claimed in claim 1, is characterized in that spring leaf (4) material of transition components adopts 304 steel bands, will keep long elasticity after its quenching.
5. a kind of travel switch about elevator applications as claimed in claim 1, it is characterized in that housing (18) material of static component adopts flame-proof ABS, contact post (7) material adopts H62 copper, and fixed contact silver nail material is silver-bearing copper composite material.
6. a kind of travel switch about elevator applications as claimed in claim 1, it is characterized in that leather sheath (8) material of closed component adopts silastic material, liner (9) adopts silastic material, seal cover board (13) adopts reinforced nylon material, and cover plate (14) material adopts benzene material.
7. a kind of travel switch about elevator applications as claimed in claim 1, it is characterized in that the inner ring of leather sheath is respectively equipped with certain convex shape above and below close, the structure of this shape and pull bar (1) and the cylindrical protrusion shape of housing (18) left side wall is fitted completely, has waterproof and dustproof effect.
8. a kind of travel switch about elevator applications as claimed in claim 1, is characterized in that liner (9) is fixed on housing upper surface by cover plate (14) and cover plate screw, has waterproof and dustproof effect.
9. a kind of travel switch about elevator applications as claimed in claim 1, is characterized in that seal cover board (13) structure and cavity cover plate (14) structure form duplicate protection, realizes secondary insulation.
10. a kind of travel switch about elevator applications as claimed in claim 1, it is characterized in that plug screw (17) adopts internal and external threads to connect in the middle of housing (18) right side wall and is provided with the inner chamber that cylindrical female protrudes shape, play closed dust effect.
Priority Applications (1)
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CN201410705550.3A CN104409233A (en) | 2014-11-27 | 2014-11-27 | Travel switch related to elevator application |
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CN201410705550.3A CN104409233A (en) | 2014-11-27 | 2014-11-27 | Travel switch related to elevator application |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105428100A (en) * | 2015-12-17 | 2016-03-23 | 伟成电器有限公司 | Auxiliary switch |
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CN204189643U (en) * | 2014-11-27 | 2015-03-04 | 上海华晟电器有限公司 | A kind of elevator-distance switch UKS device of improvement |
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DE29609012U1 (en) * | 1996-05-20 | 1996-10-24 | Hans Bernstein, Spezialfabrik für Schaltkontakte GmbH & Co, 32457 Porta Westfalica | Safety switch |
CN102737869A (en) * | 2012-07-02 | 2012-10-17 | 三实电器(漳州)有限公司 | Stroke switch with remote control reset function |
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CN204189644U (en) * | 2014-11-27 | 2015-03-04 | 上海华晟电器有限公司 | A kind of elevator-distance switch UKT device of improvement |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105428100A (en) * | 2015-12-17 | 2016-03-23 | 伟成电器有限公司 | Auxiliary switch |
CN105428100B (en) * | 2015-12-17 | 2017-06-06 | 伟成电器有限公司 | A kind of auxiliary switch |
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