CN108807035B - A kind of safety-type outer cover of safety switch - Google Patents
A kind of safety-type outer cover of safety switch Download PDFInfo
- Publication number
- CN108807035B CN108807035B CN201810803502.6A CN201810803502A CN108807035B CN 108807035 B CN108807035 B CN 108807035B CN 201810803502 A CN201810803502 A CN 201810803502A CN 108807035 B CN108807035 B CN 108807035B
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- Prior art keywords
- gear
- outer cover
- face
- safety switch
- fixing axle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
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- Transmission Devices (AREA)
Abstract
The invention belongs to spare and accessory parts technical fields, more particularly to a kind of safety-type outer cover of safety switch, it includes outer cover pedestal, outer cover upper cover, bolt mechanism and nut body, wherein safety switch is usually mounted in safety switch outer cover, when an emergency happens, safety switch will be controlled coremaking piece and ignite power-off, it can thus play because burning risk caused by the short circuit of emergency generation circuit or spark, to achieve the purpose that improve equipment safety performance, but when may not be fully powered-off during safety switch will be controlled the ignition power-off of coremaking piece, bolt mechanism and nut body at this time will work so that safety switch lug plate connects with electric wire can separate between piece, to achieve the purpose that be fully disconnected electric wire, safety switch outer cover reliability will be improved.The present invention has rational design, easy to use.
Description
Technical field
The invention belongs to spare and accessory parts technical field more particularly to a kind of safety-type outer covers of safety switch.
Background technique
Current existing safety switch is that one kind can prevent personnel from entering danger before all safety conditions are met
The switch in region, wide variety, including it is bolt-type switch, safe magnetic switch, safety door latch switch, safety guyrope switch, urgent
Stop button, hinge interlock switch, peace safety enabled switch, safety limit switch, flame-proof switch etc., conventional safety switch
Structure is all relatively simple, and it is not very convenient that dismounting is got up.
The present invention design a kind of safety-type outer cover of safety switch solve the problems, such as it is as above.
Summary of the invention
(1) the technical problem to be solved in the present invention
The problem to be solved in the present invention is to provide a kind of safety-type outer covers of safety switch, to overcome spare and accessory parts in the prior art
Safety switch cover structure is relatively simple, and it is not very convenient that dismounting is got up, while being usually mounted with safety in safety switch outer cover
Switch, when an emergency happens, safety switch will be controlled coremaking piece and ignite power-off, can thus play because of urgent feelings
Burning risk caused by the short circuit of condition generation circuit or spark, thus achieve the purpose that improve equipment safety performance, but when peace
Full switch will be controlled may not be fully powered-off during coremaking piece ignites power-off, so safety switch outer cover at this time can
It is lower by property.
(2) technical solution of the present invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of safety-type outer cover of safety switch, it is to use
Following technical scheme is realized.
A kind of safety-type outer cover of safety switch, it is characterised in that: it includes outer cover pedestal, outer cover upper cover, bolt mechanism, spiral shell
Parent agency, it is characterised in that: the outer cover pedestal is integrated forging and stamping with outer cover upper cover and casts, and outer cover pedestal is equipped with peace
Load, outer cover pedestal two sides are respectively equipped with lower bayonet slot and lower protruding block, and outer cover pedestal passes through lower bayonet slot and lower protruding block and outer respectively
Upper protruding block and the installation of upper card slot on cover on lid are fixed；Several mounting grooves are equipped in outer cover pedestal, installation is equipped in mounting groove
Bolt mechanism, installation is equipped with nut body in bolt mechanism.
The bolt mechanism includes bolt head, first shaft hole, triggering rack gear, the second axis hole, third axis hole, sipes, limit
Plate, the second T-shaped block, return spring, teeth, the second fixing axle, first gear, third fixing axle, second gear, third gear,
Fixed disc, the first fixing axle, support, the 4th fixing axle, screw rod set, third arc slot, external screw thread, the 5th arc slot, support annulus,
4th arc slot, T-slot, poke rod, first bevel gear, third hand tap gear, the 4th bevel gear, second bevel gear, wherein limit plate
Lower end surface is fixedly mounted in mounting groove；The sipes being not penetrated is provided on bolt head periphery；It is provided with and is not penetrated on sipes side
T-slot；Third axis hole is provided on sipes lower end surface；The first shaft hole and the second axis hole of perforation are provided on sipes upper surface；Spiral shell
Bolt head lower end surface is fixedly mounted on limit plate upper surface；Triggering is equipped with the second T-shaped block on rack gear lower end surface；Trigger rack bar side
The one end in face is equipped with multiple teeth along linear direction；Triggering rack gear is slidably installed by the second T-shaped block and T-slot
In sipes；Third fixing axle one end is mounted in third axis hole by bearing；Third fixing axle in the axial direction on successively pacify
Equipped with second gear and third gear；The teeth in teeth and triggering rack gear in second gear cooperate；Second fixing axle passes through
Bearing is mounted in the second axis hole；First gear is installed on one end face of the second fixing axle, is equipped on another end face
Second bevel gear, and first gear is engaged with third gear；Support lower end surface is fixedly mounted on bolt head upper surface；First is solid
Dead axle is installed on the support by bearing；First bevel gear is installed on one end face of the first fixing axle, on another end face
Third hand tap gear is installed, and first bevel gear is engaged with second bevel gear；One end of 4th fixing axle is mounted on by bearing
In first shaft hole；4th bevel gear is installed, and the 4th bevel gear engages with third hand tap gear in the 4th fixing axle；4th is fixed
Fixed disc is fixedly installed on the upper surface of axis；Screw rod is put on external screw thread；Two are symmetrically provided on the periphery of screw rod set
4th arc slot of a perforation；The 5th arc slot of perforation is provided on 4th arc slot periphery；Two are symmetrically provided on screw rod set periphery
A third arc slot being not penetrated, and the straight line where two third arc slots and the straight line where two the 4th arc slots are orthogonal；
Screw rod set lower end surface is fixedly mounted on bolt head upper surface；Support annulus is nested in the outside of screw rod set lower end, and branch is held round
The lower end surface of ring is fixedly mounted on bolt head upper surface；Poke rod one end is fixedly mounted on fixed disc upper surface, and is dialled
The other end of lever is inserted into the 5th arc slot；The second circular hole of perforation is provided on the end face of safety switch lug plate side；Safety
Switch wiring plate passes through the second circular hole inner headed face opened thereon and is coupled with support annulus periphery；Wire connection tab side
End face on be provided with the first circular hole of perforation；Wire connection tab, which covers periphery cooperation by the first circular hole inner headed face and screw rod, pacifies
Dress, and wire connection tab is located on the upside of safety switch lug plate；It is fixed on side of the wire connection tab far from the first circular hole side
Mounting plate is installed；Clamp clip there are two being symmetrically installed on the two sides of mounting plate；The diameter of third gear is that second gear is straight
2.5 times of diameter；The diameter of first gear is 1.5 times of second bevel gear diameter；First bevel gear, second bevel gear diameter and
The diameter of third hand tap gear is all the same；The diameter of 4th bevel gear is equal to the diameter of third hand tap gear；The diameter etc. of third gear
In 2.5 times of first bevel gear diameter.
The nut body includes support plate, reset spring, nut, the first T-shaped block, T shape ring, third circular hole, the first arc
Slot, the second arc slot, internal screw thread, T shape annular groove, slide block, inclined-plane, L shape elastic piece, T shape arc slot, wherein lower end face of support plate and spiral shell
Rod set upper surface is engaged installation；Reset spring is nested in screw rod set outside, and reset spring one end is fixedly mounted on support plate
On lower end surface, T shape ring is installed on the other end of reset spring；The third circular hole of perforation is provided on nut end face；Third circular hole
Internal screw thread is provided on inner headed face；First arc slot there are two symmetrically being opened on third circular hole inner headed face；The inner headed face of two the first arc slots
On symmetrically open there are two T shape arc slot；The second arc slot of perforation is provided on nut end face, and the second arc slot position is at internal screw thread；Spiral shell
T shape annular groove is provided on cap upper surface；Nut is nested in screw rod set outside, and nut passes through the peace that is rotatably assorted of T shape annular groove and T shape ring
Dress；Second arc slot and poke rod cooperate.
The installation that is rotatably assorted with two T shape arc slots respectively of two the first T-shaped blocks, and two the first T-shaped blocks are about screw rod
It covers symmetrical；Institute's mounting structure is identical in two the first T-shaped blocks, for one of them in two the first T-shaped blocks, L
Shape elastic piece upper end is fixedly mounted on the first T-shaped block side, and the two sides of L shape elastic piece and screw rod cover upper third arc slot
Two sides be slidably matched；Inclined-plane is provided on the lower end surface of slide block side；The fixed peace in side of the slide block far from inclined-plane side
In L shape elastic piece lower end side；Slide block upper surface connects with electric wire the cooperation of piece lower end surface.
It is advanced optimized as this technology, several fixed blocks is equipped on the inside of the mounting groove.
It is advanced optimized as this technology, mounting groove outer two sides are equipped with several limited blocks.
It is advanced optimized as this technology, the installation sheet is equipped with mounting hole, is equipped with washer in mounting hole.
It is advanced optimized as this technology, is equipped with several reinforcing ribs on the outer cover pedestal, installation sheet.
The purpose of design of bolt mechanism in the present invention is easy for the safety switch installed in identification safety switch outer cover
Working condition；Limit plate is mounted on the purpose of design in mounting groove and is easy for installation bolt head, and also to convenient for limitation
Movement on bolt head and the rotation of screw rod set and axis direction；The purpose of design that bolt head is provided with sipes is easy for installation triggering tooth
Item；The purpose of design that sipes is provided with T-slot is easy for and is mounted on the second T-shaped block formation on triggering rack gear and is slidably matched；Spiral shell
Third axis hole is provided on bolt head, the effect of first shaft hole and the second axis hole is easy for installation third fixing axle, the 4th fixing axle, the
Two fixing axles, at the same be also convenient for third fixing axle, the 4th fixing axle, the second fixing axle can around own axes rotation while
It will not be moved along respective axis direction；Bolt head is fixedly mounted on the purpose of design on limit plate and is easy for installation screw rod set；
The purpose of design of triggering rack gear is easy for the working condition for the safety switch that identification is mounted in safety switch outer cover；Trigger rack gear
The purpose of design that one end of side is equipped with multiple teeth along linear direction is, during installing nut, by nut
On internal screw thread and screw rod cover upper external screw thread after 10 degree -20 of rotation degree, screw rod set can be made to limit the axis side of nut
Upward movement；But nut will will drive poke rod movement in the process, poke rod will will drive fixed disc movement, Gu
The movement of the 4th fixing axle will will be will drive by determining plectane, and the 4th fixing axle will will drive the movement of the 4th bevel gear, the 4th bevel gear
Third hand tap gear movement will be will drive, third hand tap gear will will drive the movement of the first fixing axle, and the first fixing axle will will drive the
The movement of one bevel gear, first bevel gear will will drive second bevel gear movement.Second bevel gear will will drive the second fixing axle fortune
Dynamic, the second fixing axle will will drive first gear movement, and first gear will will drive third gear movement, and third gear will band
Dynamic third fixing axle movement, third fixing axle will will drive second gear movement, due to one end of triggering rack gear side at this time
It is equipped between the teeth in multiple teeth and second gear that there are matching relationships along linear direction, so that at this time
Second gear not will drive triggering rack movement；Trigger rack gear, second gear, third gear, teeth and touching in second gear
Send out teeth cooperation, the design of first gear, second bevel gear, first bevel gear, third hand tap gear, the 4th bevel gear on rack gear
Purpose is that when an emergency happens, the safety switch being now placed in safety switch outer cover, which will be controlled coremaking piece and ignite, to break
Combustion phenomena will occur after exploding for electricity, safety switch shell at this time, and the safety switch shell to burn will
It deforms, triggering rack gear at this time will move one end distance under the effect of the restoring force of compression retracteding position spring, due at this time
Deflection very little so the diameter of third gear at this time is 2.5 times of second gear diameter；The diameter of first gear is
1.5 times of plug tap gear diameter；The diameter of first bevel gear, the diameter of second bevel gear and third hand tap gear is all the same；4th
The diameter of bevel gear is equal to the diameter of third hand tap gear；The diameter of third gear is equal to 2.5 times of first bevel gear diameter；To
Reach the deflection that amplification safety switch shell will deform；The triggering rack gear moved at this time will successively drive the second tooth
Wheel, third fixing axle, third gear, first gear, the second fixing axle, second bevel gear, first bevel gear, the first fixing axle,
Third hand tap gear, the 4th bevel gear, the 4th fixing axle, fixed disc, poke rod, nut movement, nut at this time will be to peace
The opposite direction movement of nut is filled, the nut moved at this time will reversely rotate between 10 degree of -20 degree, interior on nut at this time
Screw thread and screw rod cover will not cooperate between upper external screw thread, so screw rod at this time covers upper external screw thread and will not limit nut
Axis direction on movement；Nut at this time will the restoring force for the reset spring being stretched effect under returning quickly, this
When the nut of movement will will drive the axial movement of the first T-shaped block, the first T-shaped block will be axially moved, and the first T-shaped block will band
Dynamic L shape elastic piece movement, L shape elastic piece will will drive slide block movement, and slide block will will drive wire connection tab axial direction
Upper movement will separate between wire connection tab and safety switch lug plate at this time, when safety switch will be controlled coremaking
Piece ignites power-off, can thus play because burning risk caused by the short circuit of emergency generation circuit or spark, thus
Achieve the purpose that improve equipment safety performance, but may not during safety switch will be controlled the ignition power-off of coremaking piece
When can be fully powered-off, it will be separated between wire connection tab and safety switch lug plate at this time, so that electric wire will
Thoroughly isolation achievees the purpose that improve safety switch outer cover reliability.
There is the purpose of design of fixed disc to be easy for installation poke rod in the 4th fixing axle in the present invention；Screw rod set
Opened on periphery there are two penetrate through the 4th arc slot purpose of design be easy for the screw-internal thread fit on nut so that spiral shell
Cap can quickly be mounted on screw rod and put on；The purpose of design that the 5th arc slot is provided on 4th arc slot periphery is easy for poke rod
Nut can be driven to move, so that screw rod set will not influence the movement of poke rod；Two are symmetrically provided on screw rod set periphery
A third arc slot being not penetrated, and the straight line where two third arc slots and the straight line where two the 4th arc slots are mutually perpendicular
Purpose of design is easy for guiding and limiting the movement of L shape elastic piece；It is just that support annulus, which is mounted on the purpose of design on bolt head,
In installation safety switch lug plate；Safety switch lug plate passes through the second circular hole inner headed face opened thereon and support annulus outer circle
The purpose of design that face is coupled is easy for linking together with the wiring on safety switch；Wire connection tab passes through the first circular hole
The effect that inner headed face and screw rod periphery are coupled is easy for fixed mounting plate；Wire connection tab is equipped with the design of mounting plate
Purpose is easy for installation clamp clip；The purpose of design of clamp clip is easy for installing there are two being symmetrically installed on the two sides of mounting plate
Electric wire is convenient for clamping electric wire simultaneously.
The purpose of design of lower end face of support plate and the cooperation of screw rod set upper side face contact in the present invention is easy for reset spring
It can be stretched；Reset spring is nested in screw rod set outside, and reset spring one end is fixedly mounted in lower end face of support plate, resets
The purpose of design that T shape ring is equipped on the other end of spring is easy for providing restoring force effect for the return of nut, while being also
Prevent the rotary motion of reset spring limitation nut；The design mesh there are two the first arc slot is symmetrically opened on third circular hole inner headed face
The Fast Installation for being easy for nut in place；The design mesh there are two T shape arc slot is symmetrically opened on the inner headed face of two the first arc slots
Be prevent L shape elastic piece interference nut movement；The purpose of design that the second arc slot of perforation is provided on nut end face is easy for
Nut be installed in place with nut reset spring restoring force effect under returning quickly；T shape annular groove is provided on nut upper surface
Purpose of design be easy for T shape ring formed be rotatably assorted；L shape elastic piece is mounted in the first T-shaped block, and L shape elastic piece
The purpose of design that the two sides that two sides and screw rod cover upper third arc slot are slidably matched is easy for L shape elastic piece and can drive to dial
Motion block is smoothly across wire connection tab；Opening bevelled purpose of design on slide block and being easy for wire connection tab smoothly to push away
Dynamic slide block and the movement of L shape elastic piece；The purpose of design that slide block upper surface connects with electric wire the cooperation of piece lower end surface is easy for dialling
The axis direction that motion block can drive wire connection tab to cover along screw rod moves.
(3) the advantages of the present invention
Relative to traditional spare and accessory parts technology, the spare and accessory parts in the present invention have the common work of bolt mechanism and nut body
With safety switch cover structure is more complicated, and function increases；Dismounting is covered on outside safety switch simultaneously to get up also relatively easily；
It is usually mounted with safety switch in safety switch outer cover simultaneously, when an emergency happens, safety switch will be controlled coremaking piece
Power-off is ignited, can thus be played because risk is burnt caused by the short circuit of emergency generation circuit or spark, to reach
To the purpose for improving equipment safety performance, but may not during safety switch will be controlled the ignition power-off of coremaking piece
When fully powered-off, bolt mechanism and nut body at this time will work so that safety switch lug plate connects with electric wire piece
Between can separate, to achieve the purpose that be fully disconnected electric wire, safety switch outer cover reliability will be improved.
Detailed description of the invention
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is limited block mounting structure schematic diagram.
Fig. 3 is upper protruding block mounting structure schematic diagram.
Fig. 4 is support plate mounting structure schematic diagram.
Fig. 5 is lateral confinement position board mounting structure schematic diagram.
Fig. 6 is reset spring mounting structure schematic diagram.
Fig. 7 is T shape ring mounting structure schematic diagram.
Fig. 8 is nut mounting structure schematic diagram.
Fig. 9 is clamp clip mounting structure schematic diagram.
Figure 10 is safety switch lug plate structural schematic diagram.
Figure 11 is screw rod set mounting structure schematic diagram.
Figure 12 is nut structure (one) schematic diagram.
Figure 13 is nut structure (two) schematic diagram.
Figure 14 is nut structure (three) schematic diagram.
Figure 15 is rack gear mounting structure schematic diagram.
Figure 16 is bolt header structure (one) schematic diagram.
Figure 17 is bolt header structure (two) schematic diagram.
Figure 18 is first gear mounting structure schematic diagram.
Figure 19 is screw rod nested structure (one) schematic diagram.
Figure 20 is screw rod nested structure (two) schematic diagram.
Figure 21 is second gear mounting structure schematic diagram.
Figure 22 is teeth mounting structure schematic diagram.
Figure 23 is third gear installation structure schematic diagram.
Figure 24 is slide block mounting structure schematic diagram.
Figure 25 is first bevel gear mounting structure schematic diagram.
Figure label title: 1, outer cover pedestal；2, outer cover upper cover；3, installation sheet；4, lower bayonet slot；5, lower protruding block；6, convex
Block；7, upper card slot；8, mounting groove；9, bolt mechanism；10, nut body；11, fixed block；12, limited block；13, mounting hole；14,
Washer；15, reinforcing rib；16, first gear；17, second gear；18, third fixing axle；19, third gear；20, the 2nd T shape
Block；21, the 4th fixing axle；22, mounting plate；23, the first circular hole；24, the second circular hole；27, third circular hole；28, the first arc slot；
29, the second arc slot；30, internal screw thread；31, T shape annular groove；32, T shape arc slot；33, screw rod set；34, third arc slot；35, external screw thread；
36, the 4th arc slot；37, T-slot；38, first shaft hole；39, the second axis hole；40, third axis hole；41, sipes；42, annulus is supported；
43, return spring；44, teeth；45, the 5th arc slot；46, slide block；47, L shape elastic piece；48, poke rod；49, the first cone tooth
Wheel；50, second bevel gear；51, third hand tap gear；52, the 4th bevel gear；53, inclined-plane；54, electric wire；55, clamp clip；56, electric
Line connection sheet；57, support plate；58, reset spring；59, nut；60, safety switch lug plate；61, bolt head；62, limit plate；
63, rack gear is triggered；64, the first T-shaped block；65, T shape ring；66, the first fixing axle；67, support；68, the second fixing axle；69, fixed
Plectane.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figure 1, 2, 3, it includes outer cover pedestal 1, outer cover upper cover 2, bolt mechanism 9, nut body 10, and feature exists
In: as shown in Figure 1, 2, 3, the outer cover pedestal 1 is integrated forging and stamping with outer cover upper cover 2 and casts, as shown in Fig. 2, outer cover
Pedestal 1 is equipped with installation sheet 3, as shown in Fig. 2, 1 two sides of outer cover pedestal are respectively equipped with lower bayonet slot 4 and lower protruding block 5, outer cover pedestal 1
Upper protruding block 6 and upper card slot 7 installation passed through in lower bayonet slot 4 and lower protruding block 5 and outer cover upper cover 2 respectively is fixed；Such as Fig. 2 institute
Show, several mounting grooves 8 be equipped in outer cover pedestal 1, as shown in Figure 1, 2, 3, installation is equipped with bolt mechanism 9 in mounting groove 8, as Fig. 1,
2, shown in 3, installation is equipped with nut body 10 in bolt mechanism 9.
As shown in Figure 4,5, 6, the bolt mechanism 9 includes bolt head 61, first shaft hole 38, triggering rack gear 63, the second axis
Hole 39, third axis hole 40, sipes 41, limit plate 62, the second T-shaped block 20, return spring 43, teeth 44, the second fixing axle 68,
One gear 16, third fixing axle 18, second gear 17, third gear 19, fixed disc 69, the first fixing axle 66, support 67,
Four fixing axles 21, screw rod set 33, third arc slot 34, external screw thread 35, the 5th arc slot 45, support annulus 42, the 4th arc slot 36, T shape
Slot 37, poke rod 48, first bevel gear 49, third hand tap gear 51, the 4th bevel gear 52, second bevel gear 50, such as the institute of Fig. 1,2,3
Show, wherein 62 lower end surface of limit plate is fixedly mounted in mounting groove 8；As shown in Figure 16,17, it is provided with not on 61 periphery of bolt head
The sipes 41 of perforation；As shown in figure 17, the T-slot 37 being not penetrated is provided on 41 side of sipes；As shown in figure 17,41 lower end of sipes
Third axis hole 40 is provided on face；As shown in figure 17, the first shaft hole 38 and the second axis hole 39 of perforation are provided on 41 upper surface of sipes；
As shown in Figure 7,8,61 lower end surface of bolt head is fixedly mounted on 62 upper surface of limit plate；As shown in figure 22, it triggers under rack gear 63
Second T-shaped block 20 is installed on end face；As shown in figure 22, one end of triggering 63 side of rack gear is equipped with multiple along linear direction
Teeth 44；As shown in Fig. 7,11, triggering rack gear 63 is slidably installed by the second T-shaped block 20 and T-slot 37 in sipes 41
It is interior；As shown in fig. 7,18 one end of third fixing axle is mounted in third axis hole 40 by bearing；As shown in figure 18, third fixing axle
18 in the axial direction on be sequentially installed with second gear 17 and third gear 19；Tooth as shown in Figure 21,23, in second gear 17
Teeth 44 on tooth 44 and triggering rack gear 63 cooperate；As shown in fig. 7, the second fixing axle 68 is mounted on the second axis hole 39 by bearing
It is interior；As shown in figure 25, first gear 16 is installed on an end face of the second fixing axle 68, is equipped with second on another end face
Bevel gear 50, and first gear 16 is engaged with third gear 19；As shown in fig. 7,67 lower end surface of support is fixedly mounted on bolt head
On 61 upper surfaces；First fixing axle 66 is mounted on support 67 by bearing；As shown in figure 25,66 1 ends of the first fixing axle
First bevel gear 49 is installed on face, third hand tap gear 51, and first bevel gear 49 and the second cone are installed on another end face
Gear 50 engages；As shown in fig. 7, one end of the 4th fixing axle 21 is mounted in first shaft hole 38 by bearing；As shown in figure 25,
4th bevel gear 52 is installed, and the 4th bevel gear 52 engages with third hand tap gear 51 in the 4th fixing axle 21；As shown in figure 21,
Fixed disc 69 is fixedly installed on the upper surface of 4th fixing axle 21；As shown in Figure 19,20, there is external screw thread on screw rod set 33
35；As shown in Figure 19,20, screw rod set 33 periphery on symmetrically open there are two penetrate through the 4th arc slot 36；Such as Figure 19,20 institutes
Show, the 5th arc slot 45 of perforation is provided on 36 periphery of the 4th arc slot；As shown in Figure 19,20, screw rod covers symmetrical on 33 peripheries
The third arc slot 34 being not penetrated there are two opening, and the straight line where two third arc slots 34 is straight where with two the 4th arc slots 36
Line is orthogonal；As shown in Fig. 7,15, screw rod covers 33 lower end surfaces and is fixedly mounted on 61 upper surface of bolt head；Such as Fig. 7,33 institutes
Show, support annulus 42 is nested in the outside that screw rod covers 33 lower ends, and the lower end surface of annulus 42 is supported to be fixedly mounted on bolt head 61
On upper surface；As shown in figure 21,48 one end of poke rod is fixedly mounted on 69 upper surface of fixed disc, and poke rod 48 is another
In the 5th arc slot 45 of end insertion；As shown in Figure 10, the second circular hole of perforation is provided on the end face of 60 side of safety switch lug plate
24；As shown in Fig. 7,10, safety switch lug plate 60 passes through outside 24 inner headed face of the second circular hole opened thereon and support annulus 42
Disc is coupled；As shown in figure 9, being provided with the first circular hole 23 of perforation on the end face of 56 side of wire connection tab；Such as Fig. 7 institute
Show, wire connection tab 56 covers 33 peripheries with screw rod by 23 inner headed face of the first circular hole and is coupled, and wire connection tab 56
In 60 upside of safety switch lug plate；As shown in figure 9, fixed peace on side of the wire connection tab 56 far from 23 side of the first circular hole
Equipped with mounting plate 22；As shown in figure 9, being symmetrically installed on the two sides of mounting plate 22, there are two clamp clips 55；Third gear 19
Diameter is 2.5 times of 17 diameter of second gear；The diameter of first gear 16 is 1.5 times of 50 diameter of second bevel gear；First cone
The diameter of gear 49, the diameter of second bevel gear 50 and third hand tap gear 51 is all the same；The diameter of 4th bevel gear 52 is equal to the
The diameter of third hand tap gear 51；The diameter of third gear 19 is equal to 2.5 times of 49 diameter of first bevel gear.
As shown in fig. 7, the nut body 10 includes support plate 57, reset spring 58, nut 59, the first T-shaped block 64, T
Shape ring 65, third circular hole 27, the first arc slot 28, the second arc slot 29, internal screw thread 30, T shape annular groove 31, slide block 46, inclined-plane 53, L
Shape elastic piece 47, T shape arc slot 32, as shown in fig. 7, wherein 57 lower end surface of support plate and screw rod cover 33 upper surfaces and be engaged peace
Dress；As shown in fig. 7, reset spring 58 is nested in 33 outside of screw rod set, 58 one end of reset spring is fixedly mounted under support plate 57
On end face, T shape ring 65 is installed on the other end of reset spring 58；As shown in Figure 12,13, perforation is provided on 59 end face of nut
Third circular hole 27；As shown in figure 12, internal screw thread 30 is provided on 27 inner headed face of third circular hole；As shown in figure 12, in third circular hole 27
First arc slot 28 there are two symmetrically being opened on disc；As shown in figure 12, T there are two symmetrically being opened on the inner headed face of two the first arc slots 28
Shape arc slot 32；As shown in figure 12, the second arc slot 29 of perforation is provided on 59 end face of nut, and the second arc slot 29 is located at internal screw thread 30
Place；As shown in figure 14, T shape annular groove 31 is provided on 59 upper surface of nut；Nut 59 is nested in 33 outside of screw rod set, and nut 59 passes through
The installation that is rotatably assorted of T shape annular groove 31 and T shape ring 65；Second arc slot 29 cooperates with poke rod 48.
The installation that is rotatably assorted with two T shape arc slots 32 respectively of two the first T-shaped blocks 64, and two the first T-shaped blocks 64 are closed
It is symmetrical in screw rod set 33；As shown in fig. 7, institute's mounting structure is identical in two the first T-shaped blocks 64, for two first
One of them in T-shaped block 64, as shown in figure 24,47 upper end of L shape elastic piece is fixedly mounted on 64 side of the first T-shaped block, and L
The two sides of shape elastic piece 47 and the two sides of the third arc slot 34 on screw rod set 33 are slidably matched；As shown in figure 24, slide block
Inclined-plane 53 is provided on the lower end surface of 46 sides；As shown in figure 24, slide block 46 is fixedly mounted on L far from the side of 53 side of inclined-plane
In 47 lower end side of shape elastic piece；As shown in Fig. 7,24,46 upper surface of slide block connects with electric wire the cooperation of 56 lower end surface of piece.
As shown in Figure 1, 2, 3, several fixed blocks 11 are equipped on the inside of the mounting groove 8.
As shown in Figure 1, 2, 3, the 8 outer two sides of mounting groove are equipped with several limited blocks 12.
As shown in Figure 1, 2, 3, the installation sheet 3 is equipped with mounting hole 13, is equipped with washer 14 in mounting hole 13.
As shown in Figure 1, 2, 3, the outer cover pedestal 1, be equipped with several reinforcing ribs 15 on installation sheet 3.
Specific embodiment are as follows: several mounting grooves 8 are equipped with first in outer cover pedestal 1, each 8 inside of mounting groove passes through
The installation of fixed block 11 is equipped with bolt mechanism 9, and installation is equipped with nut body 10 in bolt mechanism 9, is equipped in the two sides of outer cover pedestal 1
Lower bayonet slot 4 and lower protruding block 5, can be effectively by outer cover pedestal by lower bayonet slot 4 and lower protruding block 5 and upper protruding block 6 and upper card slot 7
1, which carries out installation with outer cover upper cover 2, links, and installation sheet 3 is equipped on outer cover pedestal 1, is equipped with pad in the mounting hole 13 on installation sheet 3
Circle 14 can pacify entire part after being installed outer cover pedestal 1 and outer cover upper cover 2 by mounting hole 13
Dress, docking are got up more convenient, are in addition equipped with reinforcing rib 15 on outer cover pedestal 1 and installation sheet 3, can be with by reinforcing rib 15
It is effective to increase whole firmness, effectively increase working efficiency, it is more convenient to use.
During nut 59 are installed, support plate 57 is mounted on screw rod first and is covered on 33 upper surfaces；By nut 59
It is nested in 33 outside of screw rod set and rapidly moves to screw rod under the action of the first arc slot 28 and the 4th arc slot 36 and cover 33 lower end surfaces
Place, reset spring 58 at this time will be in tensional state, will trigger one end and safety that rack gear 63 is on the outside of bolt head 61
The outer wall of the shell of switch is engaged；Return spring 43 at this time will be in compressed spring, by the internal screw thread 30 on nut 59
With the external screw thread 35 on screw rod set 33 after 10 degree -20 of rotation degree, the axis direction of 33 limitation nut 59 of screw rod set can be made
On movement；But nut 59 will will drive poke rod 48 and move in the process, poke rod 48 will will drive fixed disc 69
Movement, fixed disc 69 will will will drive the 4th fixing axle 21 and move, and the 4th fixing axle 21 will will drive the 4th bevel gear 52
Movement, the 4th bevel gear 52 will will drive third hand tap gear 51 and move, and third hand tap gear 51 will will drive the first fixing axle 66 and transport
Dynamic, the first fixing axle 66 will will drive first bevel gear 49 and move, and first bevel gear 49 will will drive second bevel gear 50 and move.
Second bevel gear 50 will will drive the second fixing axle 68 and move, and the second fixing axle 68 will will drive first gear 16 and move, and first
Gear 16 will will drive third gear 19 and move, and third gear 19 will will drive third fixing axle 18 and move, third fixing axle 18
Second gear 17 will be will drive to move, since one end of 63 side of triggering rack gear at this time is equipped with multiple teeth along linear direction
There is no drive connection between teeth 44 on tooth 44 and second gear 17, so that second gear 17 at this time not will drive touching
Rack gear 63 is sent out to move.
When an emergency happens, the safety switch being now placed in safety switch outer cover, which will be controlled coremaking piece and ignite, to break
Combustion phenomena will occur after exploding for electricity, safety switch shell at this time, and the safety switch shell to burn will
Deform contraction, and triggering rack gear 63 at this time will move one end distance under the effect of the restoring force of compression retracteding position spring 43,
Due to deflection very little at this time so the diameter of third gear 19 at this time is 2.5 times of 17 diameter of second gear；First tooth
The diameter of wheel 16 is 1.5 times of 50 diameter of second bevel gear；The diameter and triconodont of first bevel gear 49, second bevel gear 50
The diameter of wheel 51 is all the same；The diameter of 4th bevel gear 52 is equal to the diameter of third hand tap gear 51；The diameter etc. of third gear 19
In 2.5 times of 49 diameter of first bevel gear；To reach the deflection that amplification safety switch shell will deform；This luck
Dynamic triggering rack gear 63 will successively drive second gear 17, third fixing axle 18, third gear 19, first gear 16, second
Fixing axle 68, second bevel gear 50, first bevel gear 49, the first fixing axle 66, third hand tap gear 51, the 4th bevel gear 52,
Four fixing axles 21, fixed disc 69, poke rod 48, nut 59 move, and nut 59 at this time will be to the opposite of installation nut 59
Direction movement, the nut 59 moved at this time will reversely rotate between 10 degree of -20 degree, internal screw thread 30 on nut 59 at this time with
It will not cooperate between external screw thread 35 on screw rod set 33, so the external screw thread 35 that screw rod at this time covers on 33 will not limit spiral shell
Movement on the axis direction of cap 59；Nut 59 at this time will be under the effect of the restoring force for the reset spring 58 being stretched quickly
Return, the nut 59 of movement at this time will will drive the first T-shaped block 64 and be axially moved, and the first T-shaped block 64 will be axially moved, the
One T-shaped block 64 will will drive L shape elastic piece 47 and move, and L shape elastic piece 47 will will drive slide block 46 and move, and slide block 46 will
It drives and is moved on 56 axial direction of wire connection tab, will be divided between wire connection tab 56 and safety switch lug plate 60 at this time
It leaves, ignites power-off when safety switch will be controlled coremaking piece, can thus play because of the short circuit of emergency generation circuit
Or risk of burning caused by spark, thus achieve the purpose that improve equipment safety performance, but when safety switch will be controlled
When coremaking piece may not be fully powered-off during igniting power-off, wire connection tab 56 and safety switch lug plate 60 at this time
Between will separate so that electric wire 54 will thoroughly be isolated, achieve the purpose that improve safety switch outer cover reliability.
In conclusion it is restricted embodiment of the invention, all those skilled in the art that above embodiment, which is not,
On the basis of substantive content of the invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (5)
1. a kind of safety-type outer cover of safety switch, it is characterised in that: it includes outer cover pedestal, outer cover upper cover, bolt mechanism, nut
Mechanism, it is characterised in that: the outer cover pedestal is integrated forging and stamping with outer cover upper cover and casts, and outer cover pedestal is equipped with installation
Piece, outer cover pedestal two sides are respectively equipped with lower bayonet slot and lower protruding block, and outer cover pedestal passes through lower bayonet slot and lower protruding block and outer cover respectively
Upper protruding block and the installation of upper card slot on upper lid are fixed；Several mounting grooves are equipped in outer cover pedestal, installation is equipped with spiral shell in mounting groove
Bolt mechanism, installation is equipped with nut body in bolt mechanism；
The bolt mechanism includes bolt head, first shaft hole, triggering rack gear, the second axis hole, third axis hole, sipes, limit plate, the
Two T-shaped blocks, return spring, teeth, the second fixing axle, first gear, third fixing axle, second gear, third gear, fixed circle
Plate, the first fixing axle, support, the 4th fixing axle, screw rod set, third arc slot, external screw thread, the 5th arc slot, support annulus, the 4th arc
Slot, T-slot, poke rod, first bevel gear, third hand tap gear, the 4th bevel gear, second bevel gear, wherein limit plate lower end surface
It is fixedly mounted in mounting groove；The sipes being not penetrated is provided on bolt head periphery；The T shape being not penetrated is provided on sipes side
Slot；Third axis hole is provided on sipes lower end surface；The first shaft hole and the second axis hole of perforation are provided on sipes upper surface；Under bolt head
End face is fixedly mounted on limit plate upper surface；Triggering is equipped with the second T-shaped block on rack gear lower end surface；Trigger the one of rack gear side
End is equipped with multiple teeth along linear direction；Triggering rack gear is slidably installed by the second T-shaped block and T-slot in sipes
It is interior；Third fixing axle one end is mounted in third axis hole by bearing；Third fixing axle in the axial direction on be sequentially installed with
Two gears and third gear；The teeth in teeth and triggering rack gear in second gear cooperate；Second fixing axle is pacified by bearing
In the second axis hole；First gear is installed on one end face of the second fixing axle, the second cone is installed on another end face
Gear, and first gear is engaged with third gear；Support lower end surface is fixedly mounted on bolt head upper surface；First fixing axle is logical
Cross bearing installation on the support；First bevel gear is installed on one end face of the first fixing axle, is equipped on another end face
Third hand tap gear, and first bevel gear is engaged with second bevel gear；One end of 4th fixing axle is mounted on first axle by bearing
In hole；4th bevel gear is installed, and the 4th bevel gear engages with third hand tap gear in the 4th fixing axle；4th fixing axle it is upper
Fixed disc is fixedly installed on end face；Screw rod is put on external screw thread；Perforation there are two symmetrically being opened on the periphery of screw rod set
The 4th arc slot；The 5th arc slot of perforation is provided on 4th arc slot periphery；It is not passed through there are two symmetrically being opened on screw rod set periphery
Logical third arc slot, and the straight line where two third arc slots and the straight line where two the 4th arc slots are orthogonal；Screw rod set
Lower end surface is fixedly mounted on bolt head upper surface；Support annulus is nested in the outside of screw rod set lower end, and supports under annulus
End face is fixedly mounted on bolt head upper surface；Poke rod one end is fixedly mounted on fixed disc upper surface, and poke rod
The other end is inserted into the 5th arc slot；The second circular hole of perforation is provided on the end face of safety switch lug plate side；Safety switch connects
Line piece passes through the second circular hole inner headed face opened thereon and is coupled with support annulus periphery；The end face of wire connection tab side
On be provided with the first circular hole of perforation；Wire connection tab covers periphery with screw rod by the first circular hole inner headed face and is coupled, and electricity
Line connection sheet is located on the upside of safety switch lug plate；Wire connection tab is fixedly installed with peace on the side far from the first circular hole side
Loading board；Clamp clip there are two being symmetrically installed on the two sides of mounting plate；The diameter of third gear is the 2.5 of second gear diameter
Times；The diameter of first gear is 1.5 times of second bevel gear diameter；First bevel gear, the diameter of second bevel gear and third cone
The diameter of gear is all the same；The diameter of 4th bevel gear is equal to the diameter of third hand tap gear；The diameter of third gear is equal to first
2.5 times of bevel gear diameter；
The nut body includes support plate, reset spring, nut, the first T-shaped block, T shape ring, third circular hole, the first arc slot,
Two arc slots, internal screw thread, T shape annular groove, slide block, inclined-plane, L shape elastic piece, T shape arc slot, wherein lower end face of support plate and screw rod set
Upper surface is engaged installation；Reset spring is nested in screw rod set outside, and reset spring one end is fixedly mounted at that low end of the support plate
On face, T shape ring is installed on the other end of reset spring；The third circular hole of perforation is provided on nut end face；Third circular hole inner circle
Internal screw thread is provided on face；First arc slot there are two symmetrically being opened on third circular hole inner headed face；It is right on the inner headed face of two the first arc slots
Title is opened there are two T shape arc slot；The second arc slot of perforation is provided on nut end face, and the second arc slot position is at internal screw thread；On nut
T shape annular groove is provided on end face；Nut is nested in screw rod set outside, and nut passes through the installation that is rotatably assorted of T shape annular groove and T shape ring；
Second arc slot and poke rod cooperate；
The installation that is rotatably assorted with two T shape arc slots respectively of two the first T-shaped blocks, and two the first T-shaped blocks are about screw rod set pair
Claim distribution；Institute's mounting structure is identical in two the first T-shaped blocks, for one of them in two the first T-shaped blocks, L shape bullet
Property piece upper end be fixedly mounted on the first T-shaped block side, and the two sides of L shape elastic piece and screw rod cover the two of upper third arc slot
Side is slidably matched；Inclined-plane is provided on the lower end surface of slide block side；Slide block is fixedly mounted on L far from the side of inclined-plane side
In shape elastic piece lower end side；Slide block upper surface connects with electric wire the cooperation of piece lower end surface.
2. the safety-type outer cover of a kind of safety switch according to claim 1, it is characterised in that: be equipped on the inside of the mounting groove
Several fixed blocks.
3. the safety-type outer cover of a kind of safety switch according to claim 1, it is characterised in that: mounting groove outer two sides
Equipped with several limited blocks.
4. the safety-type outer cover of a kind of safety switch according to claim 1, it is characterised in that: the installation sheet is equipped with peace
Hole is filled, is equipped with washer in mounting hole.
5. the safety-type outer cover of a kind of safety switch according to claim 1, it is characterised in that: the outer cover pedestal, installation
On piece is equipped with several reinforcing ribs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600715 | 2018-04-25 | ||
| CN2018206007154 | 2018-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108807035A CN108807035A (en) | 2018-11-13 |
| CN108807035B true CN108807035B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803502.6A Active CN108807035B (en) | 2018-04-25 | 2018-07-20 | A kind of safety-type outer cover of safety switch |
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| Country | Link |
|---|---|
| CN (1) | CN108807035B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570392U (en) * | 2009-12-09 | 2010-09-01 | 李永改 | Safety switch |
| CN202352550U (en) * | 2011-10-28 | 2012-07-25 | 上海市宝山区第一中心小学 | Safety switch with silicon rubber case |
| CN205508661U (en) * | 2016-04-19 | 2016-08-24 | 国网浙江省电力公司丽水供电公司 | Insulating protection casing |
| CN106024450A (en) * | 2016-07-07 | 2016-10-12 | 温州国好机电科技有限公司 | Safety switch |
| CN206991971U (en) * | 2017-07-30 | 2018-02-09 | 何志浩 | A kind of new type of safe power switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007012296A1 (en) * | 2007-03-08 | 2008-09-11 | Siemens Ag | Disconnecting device and method for producing a separation switching device |
-
2018
- 2018-07-20 CN CN201810803502.6A patent/CN108807035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570392U (en) * | 2009-12-09 | 2010-09-01 | 李永改 | Safety switch |
| CN202352550U (en) * | 2011-10-28 | 2012-07-25 | 上海市宝山区第一中心小学 | Safety switch with silicon rubber case |
| CN205508661U (en) * | 2016-04-19 | 2016-08-24 | 国网浙江省电力公司丽水供电公司 | Insulating protection casing |
| CN106024450A (en) * | 2016-07-07 | 2016-10-12 | 温州国好机电科技有限公司 | Safety switch |
| CN206991971U (en) * | 2017-07-30 | 2018-02-09 | 何志浩 | A kind of new type of safe power switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108807035A (en) | 2018-11-13 |
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