CN205195112U - Drawout chassis structure of circuit breaker - Google Patents
Drawout chassis structure of circuit breaker Download PDFInfo
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- CN205195112U CN205195112U CN201520886378.6U CN201520886378U CN205195112U CN 205195112 U CN205195112 U CN 205195112U CN 201520886378 U CN201520886378 U CN 201520886378U CN 205195112 U CN205195112 U CN 205195112U
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- drawout chassis
- connecting rod
- padlock
- active clapboard
- base plate
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Abstract
The utility model provides a drawout chassis structure of circuit breaker, includes the drawout chassis bottom plate, the drawout chassis bottom plate on slidable mounting have a body, the housing is installed to the side reason of drawout chassis bottom plate, the body relatively the drawout chassis bottom plate slide to the housing direction. The housing on be equipped with and be used for the body locking locking lever at disjuncture, the locking lever mounting hole of locking lever slidable mounting on the housing in, still be equipped with one side of arranging the locking lever mounting hole in on the housing and be used for instructing the padlock indicator of padlock installation. The utility model provides a lock drawout chassis structure of circuit breaker easy and simple to handle, that mounting structure is simple, the availability factor is high.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly a kind of drawout chassis structure of circuit breaker.
Background technology
Withdrawable circuit breaker can be divided into body and drawout chassis two relatively independent parts, and body is shaking experience " separation ", " test " and " connection " three positions in drawout chassis process.When body is between " separation " and " test " position, drawout chassis burst disk is in closed condition, plays isolated insulation effect to body bus and drawout chassis bus.When body shakes to " connection " process from " test " position, burst disk is opened gradually, and body bus is through burst disk and drawout chassis bus occlusal contact condition.
The burst disk of omnipotent breaker plays insulation buffer action, facilitates body to overhaul, and improves fail safe.Burst disk is opened by ontology-driven transmission device by existing omnipotent breaker, the structure opening burst disk device at present has various ways, but for compact conformation circuit breaker, open burst disk apparatus structure, higher to parts machining required precision, complexity causes not easily I& M and reliability is not high.Simultaneously, existing burst disk guide frame, because needs slide plate backs down top board, make slide plate extended length, thus the longitudinal depth down of drawout chassis, be unfavorable for the development of existing circuit breaker trend toward miniaturization, moreover this structure installment dividing plate is under top board effect, passively to open, and direction of relative movement is inconsistent, and burst disk may be caused stuck.And then reduce the stability in use installing dividing plate.
Omnipotent breaker is when manual energy storage, needs finger stretches into and in handle groove, energy accumulation handle is taken out of handle in case handle groove and carry out energy storage, energy accumulation handle is embedded in case handle groove when resetting again, this kind of mode is not easy to energy accumulation handle to pull out in case handle groove, have impact on the service efficiency of handle.Further, the hanging locking device side on existing circuit breaker drawer base identifies without hanging locking device, causes the accurate location of the indefinite hanging locking device of user, more indefinite should use how large diameter padlock go locking, have impact on the service efficiency of omnipotent breaker.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides the drawout chassis structure of the circuit breaker that a kind of lock operation is easy, mounting structure is simple, service efficiency is high.
For achieving the above object, the utility model have employed following technical scheme:
A drawout chassis structure for circuit breaker, comprises drawout chassis base plate 22, and described drawout chassis base plate 22 is slidably fitted with body 1, and the lateral edges of drawout chassis base plate 22 is provided with case 23, and described body 1 can slide to case 23 direction by drawout chassis base plate 22 relatively.Described case 23 is provided with the locking bar 231 for body 1 being locked in released state, described locking bar 231 is slidably mounted in the locking bar installing hole 232 on case 23, case 23 is also provided with the side being placed in locking bar installing hole 232 and be used to indicate padlock install padlock indication piece 233.
Further, described padlock indication piece 233 is membrane structure, and the padlock indication piece 233 of membrane structure attaches the surface being arranged on case 23.
Further, described padlock indication piece 233 comprises the first instruction membranous body 2331 and the second instruction membranous body 2332, the first described instruction membranous body 2331 and second indicates membranous body 2332 to be connected and is attached on the case 23 of locking bar installing hole 232 side, and the first instruction membranous body 2331 and the second instruction membranous body 2332 are printed on the mark being used to indicate padlock position and padlock diameter respectively.
Further, described padlock indication piece 233 is processed into integrative-structure with case 23 by quadric injection mould or a double-shot moulding, or padlock indication piece 233 attaches the surface being arranged on case 23 with labeling form, described locking bar 231 is laminated structures, described locking bar installing hole 232 is the list structures matched with locking bar 231, and the height of the locking bar installing hole 232 of the aspect ratio list structure of padlock indication piece 233 is low.
Further, described case 23 surface is also provided with groove 234, and the opening that described locking bar installing hole 232 is connected with case 23 is arranged on the bottom surface of groove 234, and described padlock indication piece 233 is in the bottom surface of groove 234 and be placed in locking bar installing hole 232 side.
Further, the bottom surface of described groove 234 is globoidal structures, and the opening that locking bar installing hole 232 is connected with case 23 is arranged on the center of globoidal structure, and described padlock indication piece 233 is placed between the center of globoidal structure and lateral edges.
Further, the light-emitting diode being provided with and being oppositely arranged with padlock indication piece 233 is embedded in the bottom surface of described groove 234.
Further, the installed in front of described drawout chassis base plate 22 has case 23, the rear side of drawout chassis base plate 22 is vertically installed with burst disk 3, described burst disk 3 comprise be fixed on stationary barrier 31 on drawout chassis base plate 22 with can relative to the active clapboard 32 of stationary barrier 31 movement, drawout chassis base plate 22 is installed with for supporting body 1 and the body slide rail 221 be connected with body 1 sliding contact, the side of described body slide rail 221 is provided with connecting rod slide rail 331, the connecting rod 33 be oppositely arranged with body 1 is provided with between described connecting rod slide rail 331 and active clapboard 32, body 1 can move side backward along body slide rail 221 from the front side of drawout chassis base plate 22, thus drive link 33 drives active clapboard 32 to move.
Further, the two ends of described connecting rod 33 are rod slide end 332 and link rotatable end 333 respectively, described rod slide end 332 coordinates with connecting rod slide rail 331 and is slidably connected, described link rotatable end 333 is rotatably connected with active clapboard 32, connecting rod slide rail 331 is grown up the U-type groove structure of bar shaped, the two side of the U-type groove of connecting rod slide rail 331 is provided with bar shaped slide opening, the both sides of the rod slide end 332 of connecting rod 33 one end are provided with connecting rod roller 3321, rod slide end 332 stretches in the U-type groove of connecting rod slide rail 331, and connecting rod roller 3321 is slidably matched through bar shaped slide opening.
Further, described active clapboard 32 is also provided with the back-moving spring 34 for the active clapboard 32 that resets, and back-moving spring 34 drives the relative stationary barrier 31 of active clapboard 32 to move to closed condition when releasing energy, active clapboard 32 drivening rod 33 is away from body 1 simultaneously.
The drawout chassis structure of circuit breaker of the present utility model, by the padlock indication piece of locking bar installing hole side setting, achieves the clear instruction to padlock position and padlock diameter, makes locking process easy to operate, thus improve the service efficiency of drawout chassis.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of link transmission mode of the present utility model;
Fig. 2 is the structure installment figure of a kind of embodiment of link transmission mode of the present utility model;
Fig. 3 is the partial structurtes schematic diagram of Fig. 1;
Fig. 4 is the schematic diagram of a kind of embodiment of the push pedal kind of drive of the present utility model;
Fig. 5 is the structure installment figure of a kind of embodiment of the push pedal kind of drive of the present utility model;
Fig. 6 is the partial structurtes schematic diagram of Fig. 4;
Fig. 7 is the schematic diagram of the another kind of embodiment released state of link transmission mode of the present utility model;
Fig. 8 is the schematic diagram of the another kind of embodiment connection status of link transmission mode of the present utility model;
Fig. 9 is the partial structurtes schematic diagram of Fig. 7;
Figure 10 is the partial structurtes schematic diagram of Fig. 8;
Figure 11 is the mounting structure schematic diagram of drive link of the present utility model and connection fixture;
Figure 12 is the schematic diagram of another embodiment of link transmission mode of the present utility model;
Figure 13 is the structure installment figure of another embodiment of link transmission mode of the present utility model;
Figure 14 is the partial structurtes schematic diagram of Figure 12;
Figure 15 is the structural representation of prerotation vane of the present utility model;
Figure 16 is the structure installment figure of driving slide block of the present utility model;
Figure 17 is the structure installment figure of first connecting rod of the present utility model and second connecting rod;
Figure 18 is the structural representation of first connecting rod of the present utility model;
Figure 19 is the structural representation of second connecting rod of the present utility model;
Figure 20 is the structural representation of burst disk of the present utility model;
Figure 21 is the schematic diagram of another embodiment released state of link transmission mode of the present utility model;
Figure 22 is the schematic diagram of another embodiment connection status of link transmission mode of the present utility model;
Figure 23 is the structural representation of drawout chassis of the present utility model;
Figure 24 is the structural representation of indication piece of the present utility model;
Figure 25 is the structure installment figure of a kind of embodiment of indication piece of the present utility model;
Figure 26 is the structure installment figure of the another kind of embodiment of indication piece of the present utility model;
Figure 27 is the mounting structure schematic diagram of body of the present utility model and drawout chassis;
Figure 28 is the structural representation of body of the present utility model;
Figure 29 is the schematic diagram of a kind of embodiment of lever operated groove of the present utility model;
Figure 30 is the schematic diagram of the another kind of embodiment of lever operated groove of the present utility model.
Embodiment
Provide embodiment of the present utility model below in conjunction with accompanying drawing 1 to 30, further illustrate the drawout chassis structure embodiment of circuit breaker of the present utility model.The drawout chassis structure of circuit breaker of the present utility model is not limited to the description of following examples.
Circuit breaker of the present utility model comprises body 1 and drawout chassis 2, described body 1 comprises the operating mechanism and contact system that mutually drive and connect, the shell 13 of operating mechanism is provided with the handle 15 for carrying out energy storage to operating mechanism, body 1 is slidably mounted in drawout chassis 2, is also provided with burst disk 3 in drawout chassis 2.Drawout chassis 2 in Figure 23 comprises drawout chassis base plate 22, the both sides of described drawout chassis base plate 22 are vertically installed with drawout chassis side plate 21, the installed in front of drawout chassis base plate 22 has case 23, the rear side of drawout chassis base plate 22 is vertically installed with burst disk 3, drawout chassis base plate 22 is also installed with for supporting body 1 and the body slide rail 221 be connected with body 1 sliding contact, body 1 can slide between the front side of drawout chassis base plate 22 and the rear side of drawout chassis base plate 22.Described burst disk 3 comprises stationary barrier 31 and active clapboard 32, and described stationary barrier 31 is fixedly mounted on drawout chassis base plate 22, and described active clapboard 32 is slidably mounted on stationary barrier 31.
The slip of body 1 on drawout chassis base plate 22 has three states, is released state, trystate and connection status respectively.The slip of body 1 on drawout chassis base plate 22 can drive active clapboard 32 to move relative to stationary barrier 31.Particularly, between active clapboard 32 and body 1, transmission device is installed, when body 1 is between released state and trystate position, seamless between stationary barrier 31 and active clapboard 32, burst disk 3 is in closed condition, plays isolated insulation effect to the bus of body 1 and the bus of drawout chassis 2.When body 1 shakes to the process of connection status from trystate, can active clapboard 32 be driven to move relative to stationary barrier 31 by drive transmission, gap is produced between stationary barrier 31 and active clapboard 32, burst disk 3 is opened gradually, and the bus of body 1 is connected with the bus occlusal contact condition of drawout chassis 2 through burst disk 3.
Be in transmission connection by the transmission device of following several embodiments between body 1 of the present utility model and burst disk 3, thus complete body 1 and drive burst disk 3 to open.
Embodiment one:
Between active clapboard 32 in Fig. 1 to Fig. 3 and body 1, transmission device is installed, and can active clapboard 32 is driven to move relative to stationary barrier 31 by drive transmission when body 1 slides.Particularly, described transmission device comprises the connecting rod 33 being arranged on active clapboard 32 and taking out between base plate 22, one end of described connecting rod 33 is slidably mounted on drawout chassis base plate 22, the other end of connecting rod 33 is connected with active clapboard 32, slides thus drive active clapboard 32 to move relative to stationary barrier 31 in body 1 drive link 33 one end when drawout chassis base plate 22 moves.The mounting means that connecting rod in the present embodiment adopts slip other end in one end fixing, not only increases the flexibility of connecting rod movement, ensure that the reliability of connecting rod course of action simultaneously.
The two ends of described connecting rod 33 are rod slide end 332 and link rotatable end 333 respectively, described drawout chassis base plate 22 is installed with connecting rod slide rail 331, described rod slide end 332 coordinates with connecting rod slide rail 331 and is slidably connected, described link rotatable end 333 is rotatably connected with active clapboard 32.Particularly, connecting rod slide rail 331 is grown up the U-type groove structure of bar shaped, the two side of the U-type groove of connecting rod slide rail 331 is provided with bar shaped slide opening, the both sides of the rod slide end 332 of connecting rod 33 one end are provided with connecting rod roller 3321, rod slide end 332 stretches in the U-type groove of connecting rod slide rail 331, and connecting rod roller 3321 is slidably matched through bar shaped slide opening.Especially, drawout chassis base plate 22 is installed with the body slide rail 221 be slidably connected with body 1, connecting rod slide rail 331 and connecting rod 33 are arranged on the side of body slide rail 221.Connecting rod slide rail ensure that the stability of rod slide, improves and installs dividing plate functional reliability, and the installation site of connecting rod slide rail improves installation effectiveness and the Assembly stability of connecting rod simultaneously.
Described active clapboard 32 is provided with reinforcement by connection plate 321, and described reinforcement by connection plate 321 is installed with connection fixture 322, and the link rotatable end 333 of described connecting rod 33 is rotatably connected with connection fixture 322.In addition, drawout chassis side plate 21 offers the channel-shaped feature (not shown) for guide and limit, described channel-shaped feature is connected with the lateral edges sliding contact of active clapboard 32.Reinforcement by connection plate ensure that the reliability that connecting rod is connected with active clapboard, and channel-shaped feature improves the stability of active clapboard movement.
Described active clapboard 32 is also provided with the back-moving spring 34 for the active clapboard 32 that resets, and drives the relative stationary barrier 31 of active clapboard 32 to move to closed condition when energy released by back-moving spring 34, active clapboard 32 drivening rod 33 is away from body 1 simultaneously.Particularly, drawout chassis side plate 21 is installed with spring fitting axle 341, the two ends of back-moving spring 34 respectively with spring fitting axle 341 and active clapboard 32 connection, back-moving spring is arranged on the bonding strength that drawout chassis side plate ensure that spring.The installation of back-moving spring 34 is simultaneously not limited only to above-mentioned back-moving spring and installs embodiment, back-moving spring 34 can also be arranged between connecting rod 33 and drawout chassis base plate 22, and be connected between connecting rod 33 with body 1 during back-moving spring 34 energy storage, back-moving spring 34 release can time connecting rod 33 and body 1 between there is spacing.
When the body 1 of the present embodiment moves between released state and trystate, spacing is there is between the lateral edges of described connecting rod 33 and body 1, connecting rod roller 3321 on the rod slide end 332 of connecting rod 33 is placed in the end of connecting rod slide rail 331, busbar via hole on stationary barrier 31 blocks thus is in closed condition by described active clapboard 32, when body 1 moves to connection status by trystate, the lateral edges of connecting rod 33 is connected with the Contact of body 1 and interacts, connecting rod roller 3321 slides to the middle part of connecting rod slide rail 331, active clapboard 32 moves along stationary barrier 31 to drawout chassis base plate 22 direction and exposes busbar via hole thus be in open mode.
Embodiment two:
The embodiment two of Fig. 7 to Figure 10 comprises the transmission device be arranged between active clapboard 32 and body 1, be different from the connecting rod 33 in embodiment one, transmission device in the present embodiment comprises drive link 36, one end of described drive link 36 is mounted on drawout chassis base plate 22, the other end of drive link 36 is connected with connection fixture 322 hard-wired on active clapboard 32 by switching piece 37, and the end that switching piece 37 enables drive link 36 be connected with switching piece 37 swings relative to connection fixture 322.Drive link in the present embodiment is installed by switching piece and connection fixture and is achieved relative connection fixture and swing, and then makes body and the active clapboard mode that is in transmission connection simple and reliable, improves the accuracy of erection efficiency and transmission process.
The two ends of described drive link 36 are drive rod rotation end 361 and drive link free end 362 respectively, described drive rod rotation end 361 is rotationally connected with drawout chassis base plate 22, switching piece 37 is provided with between described drive link free end 362 and connection fixture 322, the two ends of described switching piece 37 are rotatably connected with connection fixture 322 and drive link free end 362 hole axle respectively, and drive link free end 362 can rotate relative to switching piece 37 and simultaneously can swing relative to active clapboard 32 around connection fixture 322 thus drive active clapboard 32 to move relative to stationary barrier 31.Particularly, when burst disk 3 is in closed condition, drive link free end 362 is placed in the side that active clapboard 32 is provided with connection fixture 322, and when burst disk 3 is in open mode, drive link free end 362 is placed in the opposite side of active clapboard 32 through active clapboard 32.The end that switching piece not only achieves drive link can swing by connection fixture relatively, ensure that the two reliability connected simultaneously.Meanwhile, drive link free end can be arranged through active clapboard, and the action of drive link is stablized more flexibly.
The lateral edges of described drive link 36 is provided with and contacts with the insulating base 11 of body 1 guide protrusions 363 connected, described guide protrusions 363 comprises the driving inclined-plane 3631 that the lateral edges along drive link 36 is obliquely installed, the edge of described insulating base 11 is connected with driving inclined-plane 3631 sliding contact, insulating base 11 can drive drive link 36 to drive active clapboard 32 to move relative to stationary barrier 31, and active clapboard 32 is provided with the back-moving spring 34 for the active clapboard 32 that resets.Guide protrusions ensure that the smoothness that body is connected with drive link sliding contact and accuracy, improves the stability of active clapboard motion.
Guide protrusions 363 also comprises and the spacing plane 3632 driving the end on inclined-plane 3631 to be connected, and described spacing plane 3632 can be mated to contact with the bottom surface of insulating base 11 and be connected.Preferably, drive the angular range between inclined-plane 3631 and the lateral edges of drive link 36 to be 30 ° to 45 °, and spacing plane 3632 is mated to contact with insulating base 11 when burst disk 3 is in open mode and is connected and be parallel to drawout chassis base plate 22.Especially, guide protrusions 363 also comprises the arc connecting portion 3633 that two ends are connected with spacing plane 3632 with driving inclined-plane 3631 respectively.Spacing plane makes body stably can push down drive link, and active clapboard can be kept in the on-state.Meanwhile, it is more easily laborsaving that arc connecting portion makes body press down the process of drive link, makes operation more easy further.
The shape of the connection fixture 322 in Figure 11 is circular arc types, and the shape of described drive link free end 362 is also circular arc type, and the sidewall of the sidewall of connection fixture 322 and drive link free end 362 is oppositely arranged.Preferably, the two ends of switching piece 37 offer the installing hole being respectively used to connect connection fixture 322 and drive link free end 362, and the distance between the installing hole at switching piece 37 two ends equals the distance between the central point M of the connection fixture 322 and central point N of drive link free end 362, thus make the sidewall of connection fixture 322 can contact connection with the sidewall of drive link free end 362.The length relation of switching piece makes mounting structure simple, and course of action is reliable and stable.
Embodiment three:
In Fig. 4 to Fig. 6, the transmission device of embodiment three comprises the push pedal 35 on active clapboard 32 and the guide pad 12 on body 1, active clapboard 32 is provided with for driving active clapboard 32 relative to the push pedal 35 of stationary barrier 31 movement, body 1 is provided with the guide pad 12 be connected with push pedal 35 sliding contact, and the guiding surface 123 by arranging between push pedal 35 and guide pad 12 when described body 1 moves drives push pedal 35 to drive active clapboard 32 to move.Described guiding surface 123 is arranged in push pedal 35, or is arranged on guide pad 12.Push pedal coordinates the mode structure of transmission simple and reliable in function with guide pad by guiding surface, improves reliability and the accuracy of the movement of ontology-driven active clapboard.
Particularly, described guiding surface 123 is arranged on the end of guide pad 12, and guiding surface 123 is inclined upwardly to active clapboard 32 from body 1.The side, end of described push pedal 35 is provided with the push pedal roller 351 be connected with guiding surface 123 sliding contact, and when the comparatively safe dividing plate 3 of body 1 moves, guiding surface 123 and push pedal roller 351 interact thus drive active clapboard 32 to move.The mode structure of guiding surface and the effect of push pedal rollers co-operate is simple, is convenient to assembling.Ensure that active clapboard moves relative to the stable of stationary barrier simultaneously.
Described guide pad 12 also comprises gathering sill 121, a wherein sidewall of described gathering sill 121 is the supporting walls 1211 be connected with guiding surface 123, when described body 1 moves to connection status, push pedal roller 351 is placed in gathering sill 121, and the sidewall of push pedal roller 351 contacts with each other with supporting walls 1211 and is connected.End to groove 121 is provided with the limited wall 1212 be connected with supporting walls 1211.Preferably, the angle between described limited wall 1212 and support arm 1211 is less than 90 °; The diameter of described push pedal roller 351 is less than the length of supporting walls 1211.In addition, the end of guiding surface 123 is provided with the guiding circular arc 122 for guiding push pedal roller 351 to slide to guiding surface 123.Gathering sill ensure that push pedal is connected with the stable of body, and guide groove structure reduces usage space simply and effectively simultaneously.It is effectively spacing that angular relationship in preferred version between limited wall and support arm makes push pedal roller obtain, and improves connective stability.The length relation of push pedal roller and support arm makes push pedal roller stably to rest in gathering sill.Meanwhile, guiding circular arc ensure that the smooth and easy rolling of push pedal roller, makes operating process more easy.
Described active clapboard 32 is also provided with the back-moving spring 34 for the active clapboard 32 that resets, the link of described back-moving spring 34 and active clapboard 32 and push pedal 35 are disposed adjacent with the link of active clapboard 32 and are on same straight line.Particularly, drawout chassis 2 comprises mutual drawout chassis base plate 22 connected vertically and drawout chassis side plate 21, the bottom of burst disk 3 is connected with sidepiece is vertical with drawout chassis side plate 21 with drawout chassis base plate 22 respectively, body 1 is slidably mounted on drawout chassis base plate 22 and can moves by comparatively safe dividing plate 3, and drawout chassis side plate 21 is installed with spring fitting axle 341, the two ends of back-moving spring 34 respectively with active clapboard 32 connection of spring fitting axle 341 and burst disk 3.The installation site of back-moving spring 34 is not limited only to above-mentioned back-moving spring and installs embodiment, back-moving spring 34 can also be arranged between stationary barrier 31 and active clapboard 32, especially, stationary barrier 31 in Figure 20 is provided with the dividing plate guide plate 311 for guide and limit active clapboard 32, active clapboard to be arranged between stationary barrier 31 with dividing plate guide plate 311 and can to move relative to stationary barrier 31, one end of back-moving spring 34 is fixedly mounted on stationary barrier 31, and the other end is fixedly mounted on the lateral edges of active clapboard 32.
The both sides of the body 1 in the present embodiment are separately installed with push pedal 35, the side, end of each push pedal 35 is provided with push pedal roller 351, body 1 is slidably mounted on the drawout chassis base plate 22 of drawout chassis 2, described guide pad 12 is provided with the guiding surface 123 arranged towards drawout chassis base plate 22, described push pedal roller 351 is connected with guiding surface 123 sliding contact when the comparatively safe dividing plate 3 of body 1 moves, thus makes push pedal 35 drive active clapboard 32 to move to the direction of drawout chassis base plate 22.
Embodiment four:
Transmission device in embodiment four comprises and drives with active clapboard 32 transmission mechanism 4 be connected.As shown in Figure 12 and Figure 13, described transmission mechanism 4 and burst disk 3 are arranged in the drawout chassis 2 of circuit breaker, and the two ends of transmission mechanism 4 are connected with body 1 with burst disk 3 respectively.Particularly, transmission mechanism 4 comprises the link assembly 410 for be in transmission connection body 1 and active clapboard 32, described link assembly 410 comprises at least two can kinematic link in relative rotation, one end of link assembly 410 is connected with body 1, the other end is connected with active clapboard 32, and the kinematic link that body 1 can promote link assembly rotates thus drives active clapboard 32 to move relative to stationary barrier 31.Preferably, drawout chassis base plate 22 is provided with the drawout chassis side plate 21 for installing connecting rods assembly 410, and kinematic link is rotatably installed on drawout chassis side plate 21 respectively.The present embodiment adopts the mode of many kinematic links to be connected with burst disk by body, being in transmission connection between body and burst disk is made to stablize accurately, link assembly reduces the longitudinal degree of depth of drawout chassis simultaneously, makes transmission mechanism structure simple, improves efficiency of movement.And the mounting means of kinematic link is comparatively flexible, can be arranged on easily on drawout chassis side plate, improve the efficiency of assembling of link assembly.
Link assembly 410 in Figure 14 and Figure 17 to 19 comprises two kinematic links, first connecting rod 411 and second connecting rod 412 respectively, described first connecting rod 411 is connected with the corresponding end of second connecting rod 412, first connecting rod 411 and second connecting rod 412 are rotatably installed on the drawout chassis side plate 21 of drawout chassis 2 respectively, and the end of first connecting rod 411 is connected with body 1, the end of second connecting rod 412 is connected with active clapboard 32, body 1 moves and drives first connecting rod 411 rotation make first connecting rod 411 drive second connecting rod 412 to rotate thus drive active clapboard 32 to move relative to stationary barrier 31.Preferably, one end of first connecting rod 411 is provided with the first connecting rod roller 4111 that can be connected with body 1 sliding contact, one end of second connecting rod 412 is provided with the second connecting rod roller 4125 be connected with the other end sliding contact of first connecting rod 411, and the other end of second connecting rod 412 offers the second connecting rod driving hole 4123 be rotatably connected with active clapboard 32 hole axle.The structure of two kinematic links is convenient to install, and transmission process reliably not easily comes off the situation such as stuck simultaneously.Meanwhile, by the contact connected mode of roller between first connecting rod and second connecting rod and between first connecting rod and body, ensure that the stable accuracy that in transmission process, connecting rod rotates mutually.
The middle part of described first connecting rod 411 offers the first connecting rod installing hole 4112 for installing, first connecting rod 411 can rotate relative to drawout chassis side plate 21 around first connecting rod installing hole 4112, the middle part of described second connecting rod 412 offers the second connecting rod installing hole 4122 for installing, described second connecting rod installing hole 4122 is oval structure, second connecting rod installing hole 4122 is arranged on drawout chassis side plate 21 by the second connecting rod mounting screw 4124 be fixed on drawout chassis side plate 21, second connecting rod 412 can be moved along second connecting rod mounting screw 4124 by second connecting rod installing hole 4122, and second connecting rod 412 can also rotate around second connecting rod mounting screw 4124.Oval second connecting rod installing hole makes second connecting rod to rotate, and can realize rectilinear motion simultaneously, improves the flexibility of second connecting rod motion.
Transmission mechanism 4 in Figure 16, Figure 21 and Figure 22 also comprises the driving slide block 413 be fixedly mounted on body 1 sidewall, and described driving slide block 413 is connected with the ends contact of link assembly 410 when body 1 is in trystate or connection status.The end of slide block 413 is driven to be provided with the driving slide block inclined-plane 4131 be oppositely arranged with one end of link assembly 410, and drive slide block inclined-plane 4131 can be connected with the end thereof contacts of link assembly 410 when body 1 slides, the kinematic link of drive link assembly 410 interacts and rotates, thus makes the other end of link assembly 410 drive active clapboard 32 to move.Driving slide block structure is simple and installation site is easy, drives slide block inclined-plane that the driving process of body can be made more laborsaving simultaneously.
The burst disk 3 of the present embodiment is vertically mounted on drawout chassis base plate 22, the both sides of burst disk 3 are respectively equipped with the drawout chassis side plate 21 be arranged on drawout chassis base plate 22, each drawout chassis side plate 21 is separately installed with link assembly 410, and the both sides of active clapboard 32 are connected respectively by the end of sheet 414 with the link assembly 410 on corresponding drawout chassis side plate 21 that be in transmission connection.The shape of the sheet 414 that is in transmission connection in Figure 20 is L-type, the two ends of the sheet 414 that is in transmission connection of L-type are connected with active clapboard 32 with link assembly 410 respectively, and the back-moving spring 34 be also provided with between sheet 414 and drawout chassis side plate 21 for the active clapboard 32 that resets that is in transmission connection.
The end that link assembly 410 in Figure 12 to Figure 14 is connected with active clapboard 32 is slidably mounted in stopper slot 420, and body 1 the end relative limit groove 420 of drive link assembly 410 can slide thus drive active clapboard 32 to move relative to stationary barrier 31.Gathering sill prevents active clapboard from slip, occurring stuck situation, improves active clapboard relative to the stability of stationary barrier movement and security reliability.
Described stopper slot 420 is fixedly mounted on the drawout chassis side plate 21 of drawout chassis 2, stopper slot 420 is oppositely arranged on the top of active clapboard 32, the bottom of described active clapboard 32 and the drawout chassis base plate 22 of drawout chassis 2 are oppositely arranged, and the both sides, end of described link assembly 410 are connected with stopper slot 420 and active clapboard 32 respectively.Preferably, stopper slot 420 is the U-type groove shape structures be fixedly mounted on drawout chassis side plate 21, and the end of link assembly 410 is provided with the connecting rod slider 4121 be slidably connected with stopper slot 420.The installation site of stopper slot can not affect the proper motion of active clapboard, serves effectively spacing to the direction of motion of active clapboard simultaneously.Stopper slot structure is simply convenient to install, and connecting rod slider ensure that the smoothness that link assembly slides simultaneously.
The sheet 414 that is in transmission connection of L-type is installed between the end of the link assembly 410 in Figure 14 and active clapboard 32, the two ends of the described sheet 414 that is in transmission connection are connected with active clapboard 32 with link assembly 410 respectively, and the sheet 414 of being in transmission connection one end fixing with link assembly 410 is provided with the back-moving spring 34 for the active clapboard 32 that resets.
The side, end of described second connecting rod 412 is slidably mounted in stopper slot 420 by connecting rod slider 4121, and the end opposite side of second connecting rod 412 is also connected with active clapboard 32 by the sheet 414 that is in transmission connection, body 1 can drive first connecting rod 411 to drive second connecting rod 412 to rotate and then drive active clapboard 32 relative limit groove 420 to move.During link assembly 410 action of the present embodiment, body 1 can promote first connecting rod 411 and do clockwise movement, first connecting rod 411 drives a second connecting rod 412 to do counterclockwise movement, and the end of second connecting rod 412 drives active clapboard 32 to do vertical motion to the direction of drawout chassis base plate 22 under the guide effect of stopper slot 420.
Home and the constructive embodiment of described stopper slot 420 are not limited only to aforesaid way, stopper slot 420 can also be the channel-shaped structure be opened on the drawout chassis side plate 21 of drawout chassis 2, stopper slot 420 is separately positioned on top and the bottom of drawout chassis side plate 21, one of them stopper slot 420 is slidably connected with the end of link assembly 410, and another one stopper slot 420 is slidably connected with the lateral edges of active clapboard 32; Or drawout chassis side plate 21 offers a stopper slot 420, and the two ends of stopper slot 420 extend to top and the bottom of drawout chassis side plate 21 respectively.
Burst disk 3 in Figure 13 and 15 is arranged on to be taken out on the drawout chassis base plate 22 of base 2, and described drawout chassis base plate 22 is also installed with prerotation vane 430, and described prerotation vane 430 contacts the direction of motion connecting and be used for spacing active clapboard 32 with active clapboard 32.Particularly, prerotation vane 430 is L-type structure, the prerotation vane 430 of L-type structure comprises orthogonal guide and limit portion 431 and guiding installation portion 432, the edge of the active clapboard 32 in Figure 20 is provided with active clapboard prerotation vane 323, described active clapboard prerotation vane 323 is placed between guide and limit portion 431 and stationary barrier 31, and active clapboard prerotation vane 323 is connected with guide and limit portion 431 sliding contact, described guiding installation portion 432 is fixedly mounted on drawout chassis base plate 22.In addition, the end in guide and limit portion 431 is provided with U-shaped guidance feature 4311, and the two ends of described U-shaped guidance feature 4311 are connected with two side contacts of active clapboard prerotation vane 323 respectively.Prerotation vane on drawout chassis base plate further increases the accuracy of active clapboard moving process, simultaneously prerotation vane and stopper slot coordinate constitute stablizing of the whole motion process of active clapboard spacing.The prerotation vane mounting structure of L-type is simple simultaneously, improves efficiency of assembling.And U-shaped guidance feature places the double swerve of active clapboard in motion process, improves the accuracy of active clapboard motion process.
Simultaneously, as shown in Figure 23-26, the lateral edges of drawout chassis base plate 22 of the present utility model is provided with case 23, described body 1 can slide to case 23 direction by drawout chassis base plate 22 relatively, case 23 in Figure 23 and 24 is provided with the locking bar 231 for body 1 being locked in released state, described locking bar 231 is slidably mounted in the locking bar installing hole 232 on case 23, case 23 is also provided with the side being placed in locking bar installing hole 232 and be used to indicate padlock install padlock indication piece 233.Padlock indication piece can make clear instruction to the specification of padlock position and padlock used, the use of convenient operation person, and then improves service efficiency.
Described case 23 surface is also provided with groove 234, and the opening that described locking bar installing hole 232 is connected with case 23 is arranged on the bottom surface of groove 234, and described padlock indication piece 233 is in the bottom surface of groove 234 and be placed in locking bar installing hole 232 side.Preferably, the bottom surface of groove 234 is globoidal structures, and the opening that locking bar installing hole 232 is connected with case 23 is arranged on the center of globoidal structure, and padlock indication piece 233 is placed between the center of globoidal structure and lateral edges.Especially, the light-emitting diode being provided with and being oppositely arranged with padlock indication piece 233 is embedded in the bottom surface of groove 234.The groove of arc is convenient to padlock operation, improves the accuracy of padlock installation process, and indication piece is placed on globoidal structure and is convenient to observe simultaneously.And light-emitting diode is convenient to padlock operation.
Shown in Figure 25 is a kind of embodiment of padlock indication piece 233, and described padlock indication piece 233 is membrane structure, and the padlock indication piece 233 of membrane structure attaches the surface being arranged on case 23.Particularly, padlock indication piece 233 comprises the first instruction membranous body 2331 and the second instruction membranous body 2332, the first described instruction membranous body 2331 and second indicates membranous body 2332 to be connected and is attached on the case 23 of locking bar installing hole 232 side, and the first instruction membranous body 2331 and the second instruction membranous body 2332 are printed on the mark being used to indicate padlock position and padlock diameter respectively.The indication piece of membrane structure is convenient to install, and improves installation effectiveness.Indication piece can show the information that multiple padlock is installed simultaneously, and the use of convenient operation person improves the service efficiency of indication piece.
Shown in Figure 26 is the another kind of embodiment of padlock indication piece 233, described padlock indication piece 233 is processed into integrative-structure with case 23 by quadric injection mould or a double-shot moulding, locking bar 231 is laminated structures, locking bar installing hole 232 is the list structures matched with locking bar 231, and the height of the locking bar installing hole 232 of the aspect ratio list structure of padlock indication piece 233 is low.The indication piece of injection mo(u)lding is installed stable, improves the stability of indication piece.
Described padlock indication piece 233 can also attach with labeling form the surface being arranged on case 23.
As shown in Figure 27-30, body 1 of the present utility model comprises shell 13, shell 13 in Figure 27 and Figure 28 offers handle holding tank 14, handle 15 for carrying out energy storage to the operating mechanism of body 1 is installed in described handle holding tank 14, and shell 13 corresponding outside handle holding tank 14 also offers lever operated groove 16, described lever operated groove 16 is connected with handle holding tank 14, and handle 15 and lever operated groove 16 are oppositely arranged.When lever operated groove is easy to use, handle is extracted in handle holding tank, make the process of operating grip more easy.
The degree of depth of described lever operated groove 16 is greater than the degree of depth of handle holding tank 14, and is provided with circular arc spigot surface 161 between the bottom surface of lever operated groove 16 and lateral edges.The degree of depth of lever operated groove adds the area that operator contacts handle side wall, improves the stability of operating process.Circular arc spigot surface improves use accuracy simultaneously, and comparatively attractive in appearance.
Shown in Figure 29 is a kind of embodiment of lever operated groove 16, and described lever operated groove 16 is arranged on the outside of handle holding tank 14 end, and the side of lever operated groove 16 is connected with the end face of handle holding tank 14.Particularly, handle 15 Matching installation is in handle holding tank 14, and lever operated groove 16 is square structures, and the width of the lever operated groove 16 of square structure is greater than the width of handle holding tank 14.In addition, the end of handle 15 is provided with lever operated end 151, and lever operated end 151 is placed in lever operated groove 16, and the length M of lever operated end 151 is 1/3rd of length of side N of lever operated groove 16.Lever operatedly make to pull the initial procedure of handle more easy in end in design, and because end is away from arm pivot post, therefore more laborsaving.The lever operated groove of square structure is convenient to processing simultaneously, and the width of lever operated groove is convenient to operate handle, and the end of handle only occupies the segment space of lever operated groove relatively, remaining space convenient operation person pulls handle to operate, and improves service efficiency.。
Shown in Figure 30 is the another kind of embodiment of lever operated groove 16, and described lever operated groove 16 is arranged on the wherein side of handle holding tank 14, or lever operated groove 16 is separately positioned on the both sides of handle holding tank 14.Particularly, lever operated groove 16 is arranged on the wherein side near handle holding tank 14 end, or lever operated groove 16 is separately positioned on the both sides near handle holding tank 14 end.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. the drawout chassis structure of a circuit breaker, comprise drawout chassis base plate (22), it is characterized in that: described drawout chassis base plate (22) is slidably fitted with body (1), the lateral edges of drawout chassis base plate (22) is provided with case (23), and described body (1) can slide to case (23) direction by drawout chassis base plate (22) relatively;
Described case (23) is provided with the locking bar (231) for body (1) being locked in released state, described locking bar (231) is slidably mounted in the locking bar installing hole (232) on case (23), case (23) is also provided with the side being placed in locking bar installing hole (232) and be used to indicate padlock install padlock indication piece (233).
2. the drawout chassis structure of circuit breaker according to claim 1, it is characterized in that: described padlock indication piece (233) is membrane structure, the padlock indication piece (233) of membrane structure attaches the surface being arranged on case (23).
3. the drawout chassis structure of circuit breaker according to claim 2, it is characterized in that: described padlock indication piece (233) comprises the first instruction membranous body (2331) and the second instruction membranous body (2332), the first described instruction membranous body (2331) indicates membranous body (2332) to be connected with second and is attached on the case (23) of locking bar installing hole (232) side, and the first instruction membranous body (2331) and the second instruction membranous body (2332) are printed on the mark being used to indicate padlock position and padlock diameter respectively.
4. the drawout chassis structure of circuit breaker according to claim 1, it is characterized in that: described padlock indication piece (233) and case (23) are processed into integrative-structure by quadric injection mould or a double-shot moulding, or padlock indication piece (233) attaches the surface being arranged on case (23) with labeling form, described locking bar (231) is laminated structure, described locking bar installing hole (232) is the list structure matched with locking bar (231), and the height of the locking bar installing hole (232) of the aspect ratio list structure of padlock indication piece (233) is low.
5. the drawout chassis structure of the circuit breaker according to any one of Claims 1-4, it is characterized in that: described case (23) surface is also provided with groove (234), the opening that described locking bar installing hole (232) is connected with case (23) is arranged on the bottom surface of groove (234), and described padlock indication piece (233) is in the bottom surface of groove (234) and be placed in locking bar installing hole (232) side.
6. the drawout chassis structure of circuit breaker according to claim 5, it is characterized in that: the bottom surface of described groove (234) is globoidal structure, and the opening that locking bar installing hole (232) is connected with case (23) is arranged on the center of globoidal structure, described padlock indication piece (233) is placed between the center of globoidal structure and lateral edges.
7. the drawout chassis structure of circuit breaker according to claim 5, is characterized in that: be embedded the light-emitting diode being provided with and being oppositely arranged with padlock indication piece (233) in the bottom surface of described groove (234).
8. the drawout chassis structure of the circuit breaker according to any one of Claims 1-4, it is characterized in that: the installed in front of described drawout chassis base plate (22) has case (23), the rear side of drawout chassis base plate (22) is vertically installed with burst disk (3), described burst disk (3) comprise be fixed on stationary barrier (31) on drawout chassis base plate (22) with can relative to the active clapboard (32) of stationary barrier (31) movement, drawout chassis base plate (22) is installed with for supporting body (1) and the body slide rail (221) be connected with body (1) sliding contact, the side of described body slide rail (221) is provided with connecting rod slide rail (331), the connecting rod (33) be oppositely arranged with body (1) is provided with between described connecting rod slide rail (331) and active clapboard (32), body (1) can move side the front side along body slide rail (221) from drawout chassis base plate (22) backward, thus drive link (33) drives active clapboard (32) mobile.
9. the drawout chassis structure of circuit breaker according to claim 8, it is characterized in that: the two ends of described connecting rod (33) are rod slide end (332) and link rotatable end (333) respectively, described rod slide end (332) upper cooperation with connecting rod slide rail (331) is slidably connected, described link rotatable end (333) is rotatably connected with active clapboard (32), the U-type groove structure of connecting rod slide rail (331) growth bar shaped, the two side of the U-type groove of connecting rod slide rail (331) is provided with bar shaped slide opening, the both sides of the rod slide end (332) of connecting rod (33) one end are provided with connecting rod roller (3321), rod slide end (332) stretches in the U-type groove of connecting rod slide rail (331), connecting rod roller (3321) is slidably matched through bar shaped slide opening.
10. the drawout chassis structure of circuit breaker according to claim 8, it is characterized in that: described active clapboard (32) is also provided with the back-moving spring (34) for the active clapboard that resets (32), and back-moving spring (34) drives the relative stationary barrier (31) of active clapboard (32) to move to closed condition when releasing energy, active clapboard (32) drivening rod (33) is away from body (1) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886378.6U CN205195112U (en) | 2015-11-09 | 2015-11-09 | Drawout chassis structure of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886378.6U CN205195112U (en) | 2015-11-09 | 2015-11-09 | Drawout chassis structure of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205195112U true CN205195112U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520886378.6U Active CN205195112U (en) | 2015-11-09 | 2015-11-09 | Drawout chassis structure of circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN205195112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449210A (en) * | 2016-08-12 | 2017-02-22 | 淮南万泰电子股份有限公司 | Servo electric propulsion device for low voltage feed switch breaker |
| CN108173158A (en) * | 2018-01-05 | 2018-06-15 | 浙江正泰电器股份有限公司 | Open frame circuit breaker |
-
2015
- 2015-11-09 CN CN201520886378.6U patent/CN205195112U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449210A (en) * | 2016-08-12 | 2017-02-22 | 淮南万泰电子股份有限公司 | Servo electric propulsion device for low voltage feed switch breaker |
| CN106449210B (en) * | 2016-08-12 | 2018-06-22 | 淮南万泰电子股份有限公司 | A kind of low-voltage feeder switch breaker servo-electric propulsion device |
| CN108173158A (en) * | 2018-01-05 | 2018-06-15 | 浙江正泰电器股份有限公司 | Open frame circuit breaker |
| CN108173158B (en) * | 2018-01-05 | 2023-09-08 | 浙江正泰电器股份有限公司 | Drawer type circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Drawer base structure of circuit breaker Granted publication date: 20160427 License type: Common License Record date: 20201021 |
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| EE01 | Entry into force of recordation of patent licensing contract |