CN205104816U - Stop device of conventional circuit -breaker drawout chassis - Google Patents
Stop device of conventional circuit -breaker drawout chassis Download PDFInfo
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- CN205104816U CN205104816U CN201520746025.6U CN201520746025U CN205104816U CN 205104816 U CN205104816 U CN 205104816U CN 201520746025 U CN201520746025 U CN 201520746025U CN 205104816 U CN205104816 U CN 205104816U
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Abstract
Stop device of conventional circuit -breaker drawout chassis sets up on the chassis part of drawout chassis, stop device include the slide, the slide is gliding to be installed on the bottom plate of chassis parts, is equipped with the driving face on the slide, fixedly on the bottom plate being provided with the preceding end support parallel with the driving face, installs the driving screw between driving face and the preceding end support, rotates driving screw accessible driving face and drives the slide and slide in the orientation to end support before being close to preceding end support and keeping away from on the bottom plate, is equipped with to limit the slide to the excessive spacing subassembly of removal of " connection " orientation between driving face and preceding end support. Stop device simple structure, convenient assembling is reliable, can prevent to warp because of external force to shift, can prevent again to cause deformation failure because of the atress inequality.
Description
Technical field
The utility model relates to a kind of drawer type omnipotent breaker, particularly a kind of stopping means of drawout chassis of omnipotent breaker, belongs to low voltage electrical apparatus technology field.
Background technology
Drawer type omnipotent breaker is a kind of conventional low-voltage electrical apparatus, it has the drawout chassis that is installed breaker body, drawout chassis drives breaker body to move, to realize the conversion of drawer type omnipotent breaker between " separation ", " test ", " connection " three kinds of location statuss, and the movement of breaker body is realized by the transmission of driving screw screw thread rotation, artificial shake rocking handle drives driving screw to rotate, and driving screw drives the drawout chassis of breaker body to shake into shaking out.When breaker body is shaken the position entered, it should be in " connection " location status reliably, when breaker body is shaken out to the position of outermost, it should be in " separation " location status reliably, and the breaker body centre position be between " connection " with " separation " location status is " test " location status.In use, breaker body shake into spacing reliability when shaking out very large for the overall performance impact of product, particularly shake enter " connections " position time, drawout chassis is finally controlled the accurate positioning of the position arrived and reliably particularly important by stopping means.
The structure that the stopping means of the drawout chassis of existing omnipotent breaker adopts single-point spacing usually, the general stop nut that restriction final position is set on driving screw, this structure very easily causes because of the downthrust after excessively shaking or shaking the problem that stop nut is shifted with slide plate, thus cause breaker body again shake into time put in place because of the stop and cannot shaking of the stop nut after being shifted.Another kind of existing single-point position limiting structure is as arranged position limiting structure at the one-sided of slide plate, final position is limited with asymmetrical position limiting structure, because one-sided position limiting structure very easily causes distortion because the downthrust after excessively shaking or shaking causes driving screw discontinuity, and drive rail can be made stressed asymmetric and cause that slide plate is one-sided from drive rail to come off or both sides come off simultaneously, cause and cannot normally shake into shaking out operation.Obviously, because screw flight rotary drive has very large driving force, therefore excessively shake into downthrust power very large, the spacing structure of above-mentioned single-point is due to the defect of structure, therefore it cannot stand the so large downthrust power effect of concentrating and causes the loosening of positioning mounting (as stop nut) and displacement to be natural, that is, the design defect of existing procucts has a strong impact on functional reliability and the useful life of omnipotent breaker.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, the stopping means of the universal circuit breaker drawer seat of convenient and reliable assembly.
For achieving the above object, the utility model have employed following technical scheme:
A kind of stopping means of universal circuit breaker drawer seat, be arranged on the chassis component 1 of drawout chassis, described stopping means comprises slide plate 101, on the base plate 104 being arranged on chassis component 1 that slide plate 101 slides, slide plate 101 is provided with driving face 1011, base plate 104 is fixedly installed the front-end bracket 103 parallel with driving face 1011, driving screw 102 is installed between driving face 1011 and front-end bracket 103, rotate driving screw 102 and drive slide plate 101 on base plate 104 to close front-end bracket 103 and the square upward sliding away from front-end bracket 103 by driving face 1011, the limit assembly limiting slide plate 101 excessively movement to " connection " direction is provided with between driving face 1011 with front-end bracket 103.
Further, be provided with two cover limit assemblies between driving face 1011 and front-end bracket 103, two cover limit assemblies are arranged on the both sides of the axis of described driving screw 102 symmetrically.
Further, described slide plate 101 be arranged in parallel with base plate 104, and driving face 1011 is vertical with slide plate 101 to be arranged, and base plate 104 is fixed with two guiding steps 1041 coordinated with driving face 1011 that are that be parallel to each other; The top of two guiding steps 1041 is bent to form spacing side to the inside, and the both sides of driving face 1011 are provided with the slide plate draw-in groove 1012 be slidably matched with the spacing side of the step 1041 that leads.
Further, slide plate 101 is provided with the gear draw-in groove 1013 coordinated with the promotion gear 1052 in rotating shaft 105, promote gear 1052 by gear draw-in groove 1013 when slide plate 101 slides to rotate, gear 1052 drive rotating shaft 105 and on two, left and right cantilever 1051 rotary actuation omnipotent breaker body switch between drawout chassis " separation " position and " connection " position.
Further, also comprise the driver plate 106 be close to driving face 1011, driver plate 106 is provided with the helicitic texture coordinated with driving screw 102 transmission, and driving screw 102 drives driving face 1011 to drive slide plate 101 to slide by driver plate 106.
Further, described limit assembly comprises the hold-down nut 201 that the Limit screw 107 of a fine-tuning restriction position and two are furnished with anti-release member, and the bolt hole that the Limit screw 107 described in accommodation passes is arranged on the driving face 1011 of described slide plate 101; Two hold-down nuts 201 being furnished with anti-release member threaded engagement and clamping from both sides with driving face 1011 respectively on Limit screw 107 abuts, Limit screw and driving face 1011 to be fixed together; Further, the contact end face 1071 of Limit screw 107 one end of limit assembly and the interior contact-making surface 1031 on front-end bracket 103 stop to coordinate and limit slide plate 101 to the excessively movement of " connection " direction.
Further, described limit assembly comprises the hold-down nut that the Limit screw of a fine-tuning restriction position and two are furnished with anti-release member, and the bolt hole that the Limit screw described in accommodation passes is arranged on described front-end bracket 103; Two hold-down nuts being furnished with anti-release member threaded engagement and clamping with front-end bracket 103 respectively from both sides on Limit screw abuts, Limit screw and front-end bracket 103 to be fixed together; Further, the contact-making surfaces of Limit screw one end of two cover limit assemblies stop to coordinate with the driving face 1011 on described slide plate 101 and limit slide plate 101 to the excessively movement of " connection " direction.
Further, described limit assembly comprises the limiting convex block on a guiding step 1041 being arranged on described base plate 104, further, the limiting convex block of limit assembly and the driving face 1011 on described slide plate 101 stop to coordinate and limit slide plate 101 to the excessively movement of " connection " direction.
Further, described limit assembly comprises the push rod be arranged on driving face 1011 or front-end bracket 103, and push rod and front-end bracket 103 or driving face 1011 stop to coordinate and limit slide plate 101 to the excessively movement of " connection " direction.
Further, the front-end configuration of described driving screw 102 has at least two mutual and tight front end stop nuts 202 being furnished with anti-release member, the tail end of driving screw 102 is configured with the mutual and tight tail end stop nut 203 that at least two are furnished with anti-release member, described driving face 1011 driving screw 102 front end stop nut 202 with realize between tail end stop nut 203 coordinating with the transmission of driving screw 102; Front end stop nut 202 is between driving face 1011 and front-end bracket 103, and tail end stop nut 203 is positioned at driving face 1011 opposite side; Between the front end stop nut 202 and described front-end bracket 103 of described driving screw 102, be provided with an axle sleeve 108, the two ends of axle sleeve 108 contact with front-end bracket 103 with front end stop nut 202 respectively and are sleeved on driving screw 102 in the mode be slidably matched.
The advantage of the stopping means of universal circuit breaker drawer seat of the present utility model is, guarantees the accurate switching of breaker body between " separation " position and " connection " position by limit assembly.Particularly by the symmetrically arranged limit assembly such as position limiting structure such as twin-screw or push rod, both stop nut had been prevented to be shifted because of external force, prevent again because unbalance stress causes position limiting structure to be out of shape and cause inefficacy, this device can not only disperse excessively to shake into the effect of downthrust power, to effectively reduce the risk loosening and be shifted of locating part, and make excessively to shake into downthrust power symmetrical, solving existing procucts makes body cannot shake the defect put in place because of stopping means displacement, its destruction for screw rod and guide track transmission mechanism and failure risk can also be effectively reduced simultaneously, stop the trouble that drawout chassis cannot normally shake out, thus effectively improve the performance such as functional reliability and useful life of omnipotent breaker.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the drawout chassis of the stopping means adopting universal circuit breaker drawer seat of the present utility model.
Fig. 2 is the planar structure schematic diagram that in the stopping means of the universal circuit breaker drawer seat of the present utility model shown in Fig. 1, each action piece is in " separation " location status.
Fig. 3 is the perspective view of Fig. 2.
Fig. 4 is the perspective view that in the stopping means of the universal circuit breaker drawer seat of the present utility model shown in Fig. 1, each action piece is in " connection " location status.
Fig. 5 is the structure side view that each action piece shown in Fig. 4 is in the stopping means of " connection " location status.
Embodiment
Below in conjunction with the embodiment that accompanying drawing 1 to 5 provides, further illustrate the embodiment of the stopping means of universal circuit breaker drawer seat of the present utility model.
See Fig. 1, the drawout chassis of the stopping means of universal circuit breaker drawer seat of the present utility model is adopted to comprise underframe 1, two side plate 2,3, zero arcing covers 4 and crossbeam case 5.As in Figure 2-4, the stopping means of universal circuit breaker drawer seat of the present utility model comprises the slide plate 101 be arranged on the underframe 1 of drawout chassis, the front-end bracket 103 be fixed on base plate 104, the driving screw 102 be installed in rotation on front-end bracket 103, base plate 104, rotating shaft 105, is close to slide plate 101 driver plate 106, Limit screw 107, the mobilizable axle sleeve 108 that are fixedly connected with.
The stopping means of universal circuit breaker drawer seat of the present utility model comprises slide plate 101, on the base plate 104 being arranged on chassis component 1 that slide plate 101 slides, slide plate 101 is provided with driving face 1011, base plate 104 is fixedly installed the front-end bracket 103 parallel with driving face 1011, driving screw 102 is installed between driving face 1011 and front-end bracket 103, rotate driving screw 102 and drive slide plate 101 on base plate 104 to close front-end bracket 103 and the square upward sliding away from front-end bracket 103 by driving face 1011, described base plate 104 is fixed with two guiding steps 1041 coordinated with driving face 1011 that are that be parallel to each other, two guiding steps 1041 are positioned at driving face 1011 both sides, the top of two guiding steps 1041 is bent to form spacing side to the inside, the both sides of driving face 1011 are provided with the slide plate draw-in groove 1012 be slidably matched with the spacing side of the step 1041 that leads.Driver plate 106 is close to driving face 1011 and is fixedly connected with, and driver plate 106 is provided with the helicitic texture coordinated with driving screw 102 transmission, and driving screw 102 drives driving face 1011 to drive slide plate 101 to slide by driver plate 106; Certain driving screw 102 also can pass through helicitic texture Direct driver driving face 1011.Helicitic texture can be set directly on driver plate 106, also can be mounted in the mother nut on driver plate 106.Described stopping means is also provided with a set of limit assembly limiting slide plate 101 excessively movement to " connection " direction between driving face 1011 with front-end bracket 103.Particularly, two cover limit assemblies are provided with between driving face 1011 and front-end bracket 103, two cover limit assemblies are arranged on the both sides of the axis of described driving screw 102 symmetrically, and, described two cover limit assemblies are fixedly connected on slide plate 101 respectively or are fixedly connected on base plate 104 respectively or are fixedly connected on the component that is fixedly connected with base plate 104 respectively, with the length regulated according to stopping means or the stroke that calculates limit described driving screw 102 excessively shake into.
As shown in Figure 2, the front end of driving screw 102 is provided with the front end stop nut 202 that multiple (two and more than) are configured with anti-release member, they and driving screw 102 threaded engagement, and mutually and tight to be fixed on the front end of driving screw 102.The tail end of driving screw 102 is provided with the tail end stop nut 203 that at least two are configured with anti-release member, they and driving screw 102 threaded engagement, and mutually and tight to be fixed on the tail end of driving screw 102.By front end stop nut 202 and tail end stop nut 203, thus define the range of drawout chassis " separation " position to " connection " position.The hold-down nut 201 that driver plate 106 is configured with anti-release member by Limit screw 107 and former and later two is fastened on the driving face 1011 of slide plate 101.Front-end bracket 103 is fastened on base plate 104 by two, the left and right on base plate 104 clamping stagnation boss 1042.Multiple front ends stop nut 202 of driving screw 102 front end keeps safety clearance with the driving face 1011 of slide plate, ensure that front end stop nut 202 can not cause displacement by external force.Because axle sleeve 108 is configured between front end stop nut 202 and front-end bracket 103, define skew (i.e. axial endplay) amount fixing before and after driving screw 102, avoid driving screw 102 because of the drawback stuck without activity., can play an important role to the overall performance of product drawout chassis.
As Figure 1-5, the stopping means of universal circuit breaker drawer seat of the present utility model comprises two covers for limiting the limit assembly being arranged in the axis both sides of driving screw 102 symmetrically of slide plate 101 excessively movement to " connection " direction, further, this two covers limit assembly is fixedly connected on slide plate 101 respectively; Or two cover limit assemblies are fixedly connected on base plate 104 or on the component that is fixedly connected with base plate 104 respectively.That is, the relation that two cover limit assemblies of the present utility model are fixedly connected with has three kinds of modes: one is that two cover limit assemblies are fixedly connected on slide plate 101 respectively; Another kind is that two cover limit assemblies are fixedly connected on base plate 104 respectively; Another is that two cover limit assemblies are fixedly connected on the component that is fixedly connected with base plate 104 respectively as led on step 1041.Obviously, limit assemblies are overlapped in employing two and the structure that two cover limit assemblies are arranged in the both sides of the axis of driving screw 102 is symmetrically the feature that the utility model one is useful, its advantage is: make the downthrust power of excessively shaking into generation be separated into the component that two act on two cover limit assemblies respectively, to effectively reduce the risk loosening and be shifted of the locating part (as Limit screw 107) often overlapped in limit assembly; In addition, power (comprising the downthrust power of excessively shaking into generation) suffered on slide plate 101 can be made to be symmetrical in the axis distribution of driving screw 102, thus effectively reduce its destruction for screw rod and guide track transmission mechanism and failure risk, effectively to improve the performance such as functional reliability and useful life of omnipotent breaker.
Another useful feature of the present utility model is the Optimal Structure Designing of limit assembly, its concrete structure can have various ways, a kind of preferred mode the first embodiment as shown in Figures 1 to 5: often overlap the hold-down nut 201 that Limit screw 107, at least two that described limit assembly comprises a fine-tuning restriction position is furnished with anti-release member; Driving face 1011 on slide plate 101 and driver plate 106 are respectively equipped with the bolt hole holding Limit screw 107 and pass; The driving face 1011 mutually abutted and driver plate 106 clamp by two hold-down nuts 201 of being furnished with anti-release member of threaded engagement on Limit screw 107, so that Limit screw 107 and driving face 1011 and driver plate 106 are fixed together, further, the contact-making surface of Limit screw 107 one end of two cover limit assemblies simultaneously with on front-end bracket 103 in contact-making surface 1031 stop to coordinate and limit slide plate 101 and excessively move to " connection " direction (referring to that the Limit screw 107 of two cover limit assemblies contacts with interior contact-making surface 1031 cooperation stopping or be separated simultaneously here) simultaneously.The usefulness of obvious this structure utilizes the structure of limit assembly to achieve being fixedly connected with of driving face 1011 and driver plate 106, can effectively simplified structure, improve packaging efficiency.After breaker body arrives " connection " position, the contact end face 1071 of Limit screw 107 pushes up the interior contact-making surface 1031 of front-end bracket 103, if now after degree shake into, because symmetrical two Limit screws 107 are simultaneously stressed, not easily cause flexural deformation, therefore slide plate draw-in groove 1012 still reliably rides against on guiding step 1041.Certainly, the mode that limit assembly can also adopt push rod is often overlapped.Described anti-release member can adopt known structure, and its number can be selected according to actual conditions, as long as make hold-down nut 201 can not loosen without authorization after being fixedly connected with by anti-release member.Due to the fixed connection structure that Limit screw 107 adopts at least two hold-down nuts 201 to clamp, therefore, in the assembling process of limit assembly, can finely tune the axial location (namely described restriction position) of Limit screw 107 relative to driving face 1011.The driving face 1011 mutually abutted and driver plate 106 clamp by two hold-down nuts 201 being furnished with anti-release member, namely as shown in Figure 2, hold-down nut 201, driving face 1011, driver plate 106, another hold-down nut 201 abut successively, and by the fastening force of two hold-down nuts 201 with the thread connection of Limit screw 107, the driving face 1011 mutually abutted and driver plate 106 are clamped.
According to the concrete structure of the limit assembly of above first embodiment, can imagine the second embodiment (not shown) of the limit assembly of alternative first embodiment, its concrete structure such as: limit assembly as described in often overlapping comprises Limit screw, at least two hold-down nuts being furnished with anti-release member of a fine-tuning restriction position; Front-end bracket 103 is provided with the keyhole holding Limit screw and pass; The hold-down nut that on Limit screw two of threaded engagement are furnished with anti-release member clamps with front-end bracket 103 respectively and abuts, Limit screw and front-end bracket 103 to be fixed together; Further, the contact-making surfaces of Limit screw one end of two cover limit assemblies stop with the driving face 1011 on slide plate 101 to coordinate simultaneously and limit slide plate 101 and excessively move to " connection " direction (namely two Limit screws overlapping limit assembly contact with driving face 1011 cooperation stopping or be separated simultaneously) simultaneously.As can be seen here, second embodiment is identical with the concrete structure of the limit assembly of the first embodiment, their difference is that the relation be fixedly connected with is different, that is: the limit assembly of the first embodiment is fixedly connected with driver plate 106 with driving face 1011, and the limit assembly of the second embodiment is fixedly connected with front-end bracket 103.They have identical technique effect: after breaker body shakes drawout chassis " connection " position, stopping means according to regulate length restriction rotate driving screw 102 excessively shake into.
According to the concrete structure of the limit assembly of above first embodiment and the second embodiment, the 3rd embodiment (not shown) of the limit assembly of alternative first embodiment and the second embodiment can be imagined, its concrete structure as: the limit assembly as described in often overlapping comprises a limiting convex block, it be fixed on or be formed in guiding step 1041 on.Limiting convex block can two kinds of fixed structure modes, one is that limiting convex block is fixedly connected with guiding step 1041 by fixed connection structure (welding as is known), another kind is that limiting convex block is formed directly into guiding step 1041, and namely limiting convex block is one-body molded with guiding step 1041.Further, the limiting convex blocks of two cover limit assemblies stop with the driving face 1011 on slide plate 101 to coordinate simultaneously and limit slide plate 101 and excessively move to " connection " direction (namely two limiting convex blocks overlapping limit assembly contact with driving face 1011 cooperation stopping or be separated simultaneously) simultaneously.After breaker body shakes drawout chassis " connection " position, step rod-type stopping means according to calculate stroke restriction rotate driving screw 102 excessively shake into.The limit assembly of the 3rd embodiment has the simple feature of structure, but it can not finely tune restriction position.
Another useful feature of the present utility model optimal design to the stroke limiting structure of " connection " position that is slide plate 101 with driver plate 106 from " separation " position, that is: the front-end configuration of described driving screw 102 has at least two mutual and tight front end stop nuts 202 being furnished with anti-release member, the tail end of driving screw 102 is configured with the mutual and tight tail end stop nut 203 that at least two are furnished with anti-release member, and slide plate 101 and driver plate 106 are by driving screw 102 upper driving of helicitic texture between front end stop nut 202 and tail end stop nut 203.Described driving face 1011 driving screw 102 front end stop nut 202 with realize between tail end stop nut 203 coordinating with the transmission of driving screw 102; Front end stop nut 202 is between driving face 1011 and front-end bracket 103, and tail end stop nut 203 is positioned at driving face 1011 opposite side.So-called mutually and tight at this, refer to that two front end stop nuts 202 (or tail end stop nut 203) being furnished with anti-release member abut mutually, and it is mutual and tight by two front end stop nuts 202 (or tail end stop nut 203) and the fastening force of the thread connection of driving screw 102, to make two front end stop nuts 202 be fixedly connected on the front end of driving screw 102, two tail end stop nuts 203 are fixedly connected on the tail end of driving screw 102.When rocking-turn driving screw 102 makes the slide plate 101 being threaded structure move to " separation " position with driver plate 106, the tail end stop nut 203 being fixedly connected on the tail end of driving screw 102 can stop that the continuation of slide plate 101 and driver plate 106 is moved; When rocking-turn driving screw 102 makes the slide plate 101 being threaded structure move to " connection " position with driver plate 106, the front end stop nut 202 being fixedly connected on the front end of driving screw 102 can stop that the continuation of slide plate 101 and driver plate 106 is moved, thus constraint slide plate 101 and driver plate 106 can only move between front end stop nut 202 and tail end stop nut 203, also namely define the stroke of slide plate 101 and driver plate 106.
Another useful feature of the present utility model builds the useful work relationship between limit assembly and stroke limiting structure, this relation is realized by following structure: when described limit assembly restriction slide plate 101 excessively moves to " connection " direction, still maintain safety clearance between slide plate 101 and described front end stop nut 202.Obvious: when normally shaking into operation, due to the position-limiting action of limit assembly, namely the Limit screw 107 of the first embodiment coordinates with the stop of front-end bracket 103, or second the Limit screw of embodiment coordinate with the stop of slide plate 101, or the 3rd the limiting convex block of embodiment coordinate with the stop of slide plate 101, slide plate 101 can not contact with front end stop nut 202 with driver plate 106, in other words, described safety clearance can not make front end stop nut 202 be subjected to excessively to shake into downthrust power, thus can effectively prevent the accident of front end stop nut 202 from loosening; Even if when extremely excessively shake into misoperation, due to the effect of described safety clearance, the downthrust power that front end stop nut 202 suffers can be reduced widely, because diminishing of described safety clearance can absorb a large amount of downthrust power.
The utility model also has a useful feature to be have employed the structure preventing driving screw 102 axial endplay, that is: between the front end stop nut 202 and described front-end bracket 103 of described driving screw 102, an axle sleeve 108 is provided with, its two ends contact with front-end bracket 103 with front end stop nut 202 respectively and are sleeved on driving screw 102 in the mode be slidably matched, to prevent from causing because excessively moving driving screw 102 relative to the axial endplay of front-end bracket 103.Driving screw 102 adopts known revolute pair structure to be installed in rotation on front-end bracket 103, because front-end bracket 103 is a kind of by the stamping forming component of board-like material, axial load, the axial precision of therefore described revolute pair structure are all very limited, when excessively shake into situation occur time, the axial force that driving screw 102 increases severely makes driving screw 102 produce axial endplay because of the distortion of revolute pair structure possibly, front end stop nut 202 is changed with the distance of front-end bracket 103, and this change on the overall performance impact of drawout chassis very greatly.Obviously, the above-mentioned structure of the utility model effectively can prevent the axial endplay of driving screw 102, even if when extremely excessively shake into misoperation, due to axial dimension constant of axle sleeve 108, so ensure that the distance between front end stop nut 202 and front-end bracket 103 is constant, effective guarantee effect is served to the overall performance of product drawout chassis.
The structure of the described guiding step 1041 be fixed on base plate 104 can have multiple concrete mode, a kind of preferred mode as shown in Figures 2 to 4, the described structure being fixed on the guiding step 1041 on base plate 104 adopts guiding step 1041 and the integrated mode of base plate 104, namely the step 1041 that leads is same part with base plate 104, and its moulding process can adopt Sheet Metal Forming Technology.The structure of the described front-end bracket 103 be fixed on base plate 104 can have multiple concrete mode, a kind of preferred mode is as shown in Figures 2 to 4: described base plate 104 is provided with clamping stagnation boss 1042, front-end bracket 103 is provided with clamping stagnation hole, is fastened on base plate 104 by front-end bracket 103 by the interference fit of clamping stagnation hole and clamping stagnation boss 1042.Described clamping stagnation boss 1042 is arranged on the guiding step 1041 on base plate 104, and described front-end bracket 103 top is bent to form clamping stagnation face to side, and two ends, clamping stagnation face are provided with the clamping stagnation hole with clamping stagnation boss 1042 interference fit.Obviously; the advantage of this structure is: the component related to is easy to adopt the economic Sheet Metal Forming Technology being convenient to automation sizeization processing; and make the good integrity of front-end bracket 103 and guiding step 1041; to improve the rigidity of guiding step 1041, the ability of stress deformation resisted by enhancing front-end bracket 103 and guiding step 1041.
Below in conjunction with Fig. 1 to Fig. 5, further illustrate operation principle of the present utility model.
Described slide plate 101 is provided with the gear draw-in groove 1013 coordinated with the promotion gear 1052 in rotating shaft 105, promote gear 1052 by gear draw-in groove 1013 when slide plate 101 slides to rotate, gear 1052 drive rotating shaft 105 and on two, left and right cantilever 1051 rotary actuation omnipotent breaker body switch between drawout chassis " separation " position and " connection " position.Under drawout chassis is in " separation " location status, when acting on driving screw 102 by rocking-turn outer handle (not shown), screwed driving screw 102 turns clockwise, now driver plate 106 is driven to move with the helicitic texture of its threaded engagement, the stressed drive slide plate 101 of driver plate 106 by the slide plate draw-in groove 1012 on it along guiding step 1041 forward slip on base plate 104, this slip gear draw-in groove 1013 ordered about on slide plate 101 promotes gear 1052 and rotates, gear 1052 drive rotating shaft 105 and on two, left and right cantilever 1051 rotate backward, the omnipotent breaker of the rotary actuation backward body of cantilever 1051 is from drawout chassis " separation " position to " test " position, readvance " connection " position.After body arrives " connection " position, the contact end face 1071 of Limit screw 107 contacts with the interior contact-making surface 1031 of front-end bracket 103 and stops and coordinate (the contact end face 1071 namely on Limit screw 107 push up in front-end bracket 103 on contact-making surface 1031), if now after degree shake into, because symmetrical two Limit screws 107 are simultaneously stressed, so not easily make the slide plate draw-in groove 1012 on slide plate 101 from slippage the step 1041 that leads, not easily make driving screw 102 cause flexural deformation, not easily make front end stop nut 202 occur to loosen.Rotate backward driving screw 102, then slide plate 101 moves round about, drives cantilever 1051 to drive breaker body to move from drawout chassis " connection " position to " separation " position.
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 stopping means of a universal circuit breaker drawer seat, be arranged on the chassis component (1) of drawout chassis, it is characterized in that: described stopping means comprises slide plate (101), on the base plate (104) that what slide plate (101) slided be arranged on chassis component (1), slide plate (101) is provided with driving face (1011), base plate (104) is fixedly installed the front-end bracket (103) parallel with driving face (1011), driving screw (102) is installed between driving face (1011) and front-end bracket (103), rotate driving screw (102) and drive slide plate (101) on base plate (104) to close front-end bracket (103) and the square upward sliding away from front-end bracket (103) by driving face (1011), the limit assembly limiting the excessive movement in slide plate (101) to " connection " direction is provided with between driving face (1011) with front-end bracket (103).
2. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: between driving face (1011) and front-end bracket (103), be provided with two cover limit assemblies, two cover limit assemblies are arranged on the both sides of the axis of described driving screw (102) symmetrically.
3. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: described slide plate (101) and base plate (104) be arranged in parallel, driving face (1011) is vertical with slide plate (101) to be arranged, and base plate (104) is fixed with two guiding steps (1041) coordinated with driving face (1011) that are that be parallel to each other; The top of two guiding steps (1041) is bent to form spacing side to the inside, and the both sides of driving face (1011) are provided with the slide plate draw-in groove (1012) be slidably matched with the spacing side of the step that leads (1041).
4. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: slide plate (101) is provided with the gear draw-in groove (1013) coordinated with the promotion gear (1052) in rotating shaft (105), slide plate (101) slide time by gear draw-in groove (1013) promote gear (1052) rotate, gear (1052) drive rotating shaft (105) and on two, left and right cantilever (1051) rotary actuation omnipotent breaker body switch between drawout chassis " separation " position and " connection " position.
5. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: also comprise the driver plate (106) be close to driving face (1011), driver plate (106) is provided with the helicitic texture coordinated with driving screw (102) transmission, and driving screw (102) drives driving face (1011) to drive slide plate (101) to slide by driver plate (106).
6. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: described limit assembly comprises the hold-down nut (201) that the Limit screw (107) of a fine-tuning restriction position and two are furnished with anti-release member, and the bolt hole that the Limit screw (107) described in accommodation passes is arranged on the driving face (1011) of described slide plate (101); Two hold-down nuts (201) being furnished with anti-release member are in the upper threaded engagement of Limit screw (107) and clamp with driving face (1011) from both sides respectively and abut, Limit screw and driving face (1011) to be fixed together; Further, the contact end face (1071) of Limit screw (107) one end of limit assembly and the interior contact-making surface (1031) on front-end bracket (103) stop to coordinate and limit slide plate (101) to " connection " direction excessively movement.
7. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: described limit assembly comprises the hold-down nut that the Limit screw of a fine-tuning restriction position and two are furnished with anti-release member, and the bolt hole that the Limit screw described in accommodation passes is arranged on described front-end bracket (103); Two hold-down nuts being furnished with anti-release member threaded engagement and clamping with front-end bracket (103) respectively from both sides on Limit screw abuts, Limit screw and front-end bracket (103) to be fixed together; Further, the contact-making surfaces of Limit screw one end of two cover limit assemblies stop to coordinate with the driving face (1011) on described slide plate (101) and limit slide plate (101) to " connection " direction excessively movement.
8. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: described limit assembly comprises the limiting convex block on a guiding step (1041) being arranged on described base plate (104), further, the limiting convex block of limit assembly and the driving face (1011) on described slide plate (101) stop to coordinate and limit slide plate (101) to " connection " direction excessively movement.
9. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: described limit assembly comprises the push rod be arranged on driving face (1011) or front-end bracket (103), push rod and front-end bracket (103) or driving face (1011) stop to coordinate and limit slide plate (101) to " connection " direction excessively movement.
10. the stopping means of universal circuit breaker drawer seat according to claim 1, it is characterized in that: the front-end configuration of described driving screw (102) has at least two mutual and tight front end stop nuts (202) being furnished with anti-release member, the tail end of driving screw (102) is configured with the mutual and tight tail end stop nut (203) that at least two are furnished with anti-release member, described driving face (1011) driving screw (102) front end stop nut (202) with realize between tail end stop nut (203) coordinating with the transmission of driving screw (102), front end stop nut (202) is positioned between driving face (1011) and front-end bracket (103), and tail end stop nut (203) is positioned at driving face (1011) opposite side, between the front end stop nut (202) and described front-end bracket (103) of described driving screw (102), be provided with an axle sleeve (108), the two ends of axle sleeve (108) contact with front-end bracket (103) with front end stop nut (202) respectively and are sleeved on driving screw (102) in the mode be slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746025.6U CN205104816U (en) | 2015-09-24 | 2015-09-24 | Stop device of conventional circuit -breaker drawout chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746025.6U CN205104816U (en) | 2015-09-24 | 2015-09-24 | Stop device of conventional circuit -breaker drawout chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104816U true CN205104816U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746025.6U Active CN205104816U (en) | 2015-09-24 | 2015-09-24 | Stop device of conventional circuit -breaker drawout chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066440A (en) * | 2018-09-18 | 2018-12-21 | 德力西电气有限公司 | A kind of drawer chassis of frame-type circuit breaker |
| CN109713602A (en) * | 2017-10-25 | 2019-05-03 | 常熟开关制造有限公司(原常熟开关厂） | The drawer chassis of breaker |
-
2015
- 2015-09-24 CN CN201520746025.6U patent/CN205104816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713602A (en) * | 2017-10-25 | 2019-05-03 | 常熟开关制造有限公司(原常熟开关厂） | The drawer chassis of breaker |
| CN109066440A (en) * | 2018-09-18 | 2018-12-21 | 德力西电气有限公司 | A kind of drawer chassis of frame-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: Limiting device of drawer seat of universal circuit breaker Granted publication date: 20160323 License type: Common License Record date: 20201021 |
|
| EE01 | Entry into force of recordation of patent licensing contract |