CN101951749B - Mounting means for electric device and circuit breaker therewith - Google Patents

Mounting means for electric device and circuit breaker therewith Download PDF

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Publication number
CN101951749B
CN101951749B CN 200910205990 CN200910205990A CN101951749B CN 101951749 B CN101951749 B CN 101951749B CN 200910205990 CN200910205990 CN 200910205990 CN 200910205990 A CN200910205990 A CN 200910205990A CN 101951749 B CN101951749 B CN 101951749B
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CN
China
Prior art keywords
described
electric equipment
retainer
guide rail
elastomer
Prior art date
Application number
CN 200910205990
Other languages
Chinese (zh)
Other versions
CN101951749A (en
Inventor
黑崎刚史
信太秀夫
饭塚贵士
齐藤俊介
Original Assignee
三菱电机株式会社
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Filing date
Publication date
Priority to JP2009-163785 priority Critical
Priority to JP2009163785A priority patent/JP5270479B2/en
Application filed by 三菱电机株式会社 filed Critical 三菱电机株式会社
Publication of CN101951749A publication Critical patent/CN101951749A/en
Application granted granted Critical
Publication of CN101951749B publication Critical patent/CN101951749B/en

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Abstract

The invention provides a mounting means for electric device and circuit breaker therewith, which is capable of prolonging the effective length of an elastomer and saving space. In the electric device, a screw mounting hole for fixing the electric device to a fixing component is disposed on top of the guiding groove of a retainer. The retainer comprises a frame part with a hollow part, a fastening part disposed at the side end of the guide rail on the frame, an elastomer which is integrated with the fastening part and contained in the hollow part and is provided with a snaking feet part, a fastening boss disposed at the free end of the snaking feet part, and a through part which is used for mounting a screw and is disposed in the space between the snaking feet parts. The retainer is disposed in the guiding groove. The fastening boss disposed at the free end of the snaking feet part is fastened in the fastening hole disposed on the inner wall of the guiding groove. The mounting screw is inserted into the mounting hole disposed on top of the guiding groove, thereby the mounting screw reaches to the fixing component through the through part and the electric device is disposed on the fixing component.

Description

The erecting device of electric equipment and have the circuit-breaker of this erecting device

Technical field

The present invention relates to a kind of erecting device of electric equipment and have the circuit-breaker of this erecting device, the erecting device of this electric equipment can be with installation of electrical equipment on guide rail, and is arranged on fixed part by screw.

Background technology

Current, erecting device as electric equipment forms, at upper surface portion side mounting electrical equipment, form the recess of clamping guide rail in the bottom surface sections side, under the state in guide rail is embedded in recess, by elastomeric element, the holding section is engaged with guide rail, thereby electric equipment is remained on guide rail, and at bottom surface sections configuration screw hole, make bottom surface side and fixed part butt, by mounting screw with installation of electrical equipment on fixed part (for example, with reference to the Fig. 2 in patent documentation 1).

In addition, in the structure that electric equipment is remained on guide rail, there is following technology, that is, makes the elastomeric element that the holding section direction guiding rail is pressed pretension form the shape elastomer that crawls (for example, with reference to the Fig. 2 in patent documentation 2).

Patent documentation 1: the real flat 01-176984 communique (Fig. 2) of opening of Japan

Patent documentation 2: Japanese Utility Model registration No. 2532856 communique (Fig. 2)

Summary of the invention

The erecting device of existing electric equipment is as noted above and consist of, dispose respectively on the position away from each other of bottom surface sections for electric equipment being remained on the elastomeric element on guide rail and being used for by mounting screw, electric equipment being fixed on mounting screw hole on fixed part, so there is following problem, namely, the space that needs bottom surface sections, erecting device self maximizes.

In addition, need to have necessary deflection in order to produce necessary installing force by elastomeric element, but effective length is restricted, thereby in order to produce necessary installing force, what must make erecting device horizontal widely broadens or total length is increased, and guarantees necessary space around the mounting screw hole.

The present invention proposes in order to solve above-mentioned problem, its purpose is, obtain a kind of erecting device of electric equipment and have the circuit-breaker of this erecting device, the erecting device of this electric equipment can be guaranteed the deflection of elastomeric necessity, simultaneously, produce required installing force, and, configuring in above-below direction and the overlapping mode of above-mentioned elastomer for electric equipment is arranged on screw hole on fixed part by screw, thereby realize save space.

erecting device for electric equipment involved in the present invention, this electric equipment is formed for embedding the recess of guide rail in bottom surface sections, a side at described recess forms slot, opposite side at the described recess relative with described slot has the retainer that is arranged in guiding groove, the section shape of described guide rail is U word shape, has respectively the edge of stretching out laterally in two upper end, by described slot is engaged with the edge of a side of described guide rail, described retainer is flexibly engaged with the edge of the opposite side of described guide rail, thereby with this installation of electrical equipment on described guide rail, wherein, for described electric equipment, be formed for described electric equipment is fixed on the installing hole that the mounting screw on fixed part is used above the described guiding groove of described retainer, described retainer has: frame section, it has hollow bulb, the holding section, it is formed on the end of the described rail-sides of described frame section, elastomer, itself and described holding section form integratedly continuously, are housed in described hollow bulb, and this elastomer has the foot of crawling, snap fit tabs, it is formed on the free end of the described elastomeric foot that crawls, and the breakthrough part used of described mounting screw, it is formed in described elastomeric space of crawling between foot, described retainer is arranged in described guiding groove, the free-ended snap fit tabs that makes the described elastomeric foot that crawls locks with connecting hole on the inwall that is formed at described guiding groove, described mounting screw is inserted in the described installing hole of the top that is formed at described guiding groove, make described mounting screw arrive described fixed part by the described elastomeric breakthrough part that crawls the space between foot, thereby with described installation of electrical equipment on described fixed part.

The effect of invention

according to the erecting device of electric equipment of the present invention, due to for electric equipment, be formed for electric equipment is fixed on the installing hole that the mounting screw on fixed part is used above the guiding groove of retainer, retainer has: frame section, it has hollow bulb, the holding section, it is formed on the end of the rail-sides of frame section, elastomer, itself and holding section form integratedly continuously, are housed in hollow bulb, and this elastomer has the foot of crawling, snap fit tabs, it is formed on the free end of the elastomeric foot that crawls, and the breakthrough part used of mounting screw, it is formed in elastomeric space of crawling between foot, retainer is arranged in guiding groove, the free-ended snap fit tabs of the elastomeric foot that crawls locks with the connecting hole that is formed on the inwall of guiding groove, mounting screw is inserted in the installing hole of the top that is formed at guiding groove, make mounting screw arrive fixed part by the elastomeric breakthrough part that crawls the space between foot, thereby can be with installation of electrical equipment on fixed part, so retainer and installing hole be configuration overlappingly on the above-below direction of electric equipment, can extend elastomeric effective length, can obtain as the necessary deflection of elastomer, confining force, can realize save space.

Description of drawings

Fig. 1 means the end view the when erecting device with the electric equipment in embodiments of the present invention 1 is arranged on guide rail.

Fig. 2 wants section's amplification oblique drawing from what arrow A direction (lower surface) was observed Fig. 1.

Fig. 3 is the amplification oblique drawing of the retainer of Fig. 2.

Fig. 4 is the vertical view of Fig. 3.

Fig. 5 is the B-B line profile of Fig. 4.

Fig. 6 is the upward view of Fig. 1.

Fig. 7 means the end view the when erecting device of the electric equipment in embodiments of the present invention 1 is installed to fixed part.

Fig. 8 means the vertical view of other example of the retainer in execution mode 2.

Fig. 9 is installing the retainer of execution mode 2, and with installation of electrical equipment in the situation that observe the figure of electric equipment on guide rail from bottom surface side.

Embodiment

Execution mode 1

Fig. 1 means the end view when the erecting device direction guiding rail of the electric equipment in embodiments of the present invention 1 is installed.Fig. 2 wants section's amplification oblique drawing from what arrow A direction (lower surface) was observed Fig. 1.Fig. 3 is the amplification oblique drawing of the retainer of Fig. 2.Fig. 4 is the vertical view of Fig. 3.Fig. 5 is the B-B line profile of Fig. 4.Fig. 6 is the upward view of Fig. 1.

In Fig. 1 and Fig. 2, for example, in the electric equipment 1 as circuit-breaker, form recess 1a at bottom surface sections 1b, this recess 1a is used for making the guide rail 2 that is laid on distributor cap or distribution board to embed.Bottom surface sections 1b can form with electric equipment 1, also can be individually formed and be fixed on electric equipment 1.The section shape of guide rail 2 is U word shape, forms respectively the tabular edge 2a, the 2b that stretch out laterally in two upper end.Form the slot 1c that engages with the tabular edge 2a of a side of guide rail 2 in the side of above-mentioned recess 1a, opposite side configuration retainer 3 at the above-mentioned recess 1a relative with this slot 1c, it is arranged in band step guiding groove 1d, engages with the tabular edge 2b of guide rail 2.

By slot 1c is engaged with the tabular edge 2a of a side of guide rail 2, retainer 3 is flexibly engaged with the tabular edge 2b of the opposite side of guide rail 2, thereby being installed, electric equipment 1 remains on guide rail 2.Retainer 3 is arranged on as shown in Figure 2 in the mode with guide rail 2 quadratures and is formed in the band step guiding groove 1d of bottom surface sections 1b.The groove that upper width is wide to the lower width of bottom surface opening is narrow with step guiding groove 1d, be through to from guide rail 2 sides a side opposite with guide rail 2 sides electric equipment 1 the side and form.

In Fig. 3 to Fig. 5, retainer 3 has the tabular frame 3a of section that band tilts, and this frame 3a of section has hollow bulb 3a1.This frame 3a of section has the holding section 3b that engages with guide rail 2 at its leading section, form coupled rake 3b1 and anticreep projection 3b2 on the 3b of this holding section.Rearward end at the frame 3a of section forms hooking hole 3g.Accommodate elastomer 3c in the hollow bulb 3a1 of the frame 3a of section, this elastomer 3c has the foot of crawling 3c3, and it flexibly engages holding section 3b with the tabular edge 2b of guide rail 2, thereby keeps electric equipment 1.Elastomer 3c has the foot of crawling 3c3, and an end and the holding section 3b of this foot 3c3 that crawls are continuous integratedly, and the foot 3c3 that crawls connects reverse U-shaped section 3c1 and the U word 3c2 of section link each other with staggering and forms the shape that crawls.The other end of the foot 3c3 that crawls of elastomer 3c is free end 3e, and it has rake 3e1 in order to gain in strength, and has snap fit tabs 3d.Snap fit tabs 3d as shown in Figure 1, with near the side of electric equipment 1 with step guiding groove 1d above the connecting hole that forms engage.

In the time of in retainer 3 being arranged on band step guiding groove 1d, as shown in Figure 2, the bottom surface of the bottom surface of electric equipment 1 and elastomer 3c is roughly coplanar, and the side of the rearward end of the side of electric equipment 1 and retainer 3 (other end of rake 3b1) is roughly coplanar.In retainer 3, the frame 3a of section, holding section 3b, elastomer 3c etc. are all by forming such as thermoplastic resins such as PBT (polybutylene terephthalate (PBT)).Be formed on the reverse U-shaped section 3c1 of the foot 3c3 that crawls of elastomer 3c and the breakthrough part 3f in the space between the U word 3c2 of section, form the size that mounting screw 4 described later (with reference to Fig. 7) is embedded.

Fig. 6 is the upward view of Fig. 1.Fig. 6 makes retainer 3 engage with the tabular edge 2b of guide rail 2 in retainer 3 being arranged on step guiding groove 1d, thereby keeps observing the figure of electric equipment 1 from bottom surface side in the situation of electric equipment 1.Above the breakthrough part 3f between foot 3c3 of crawling that is formed at elastomer 3c, form the installing hole 1f of mounting screw 4 use in electric equipment 1.Installing hole 1f also is formed on other 3 positions of electric equipment 1.Can insert mounting screw 4 in these installing holes 1f, thereby electric equipment 1 is fixed on fixed part 5.

In the erecting device of the electric equipment of formation as noted above, with retainer 3 to carry out in the following manner with installing in step guiding groove 1d, namely, do not embed under the state of guide rail 2 in the recess 1a of electric equipment 1, be inserted into band step guiding groove 1d from the recess 1a side of the bottom surface of electric equipment 1 rearward end with retainer 3.At this moment, the frame 3a of section of retainer 3 is inserted groove side with the wider width of step guiding groove 1d, elastomer 3c is inserted with the narrower groove side of the width of step guiding groove 1d.If in the groove of the frame 3a of section insertion with the wider width of step guiding groove 1d, retainer 3 by the stage portion guiding with step guiding groove 1d, can easily make retainer 3 slide and can not fall from band step guiding groove 1d.Due to when retainer 3 is slided, be arranged on the front end of the snap fit tabs 3d on the free end 3e of elastomer 3c and upper surface (bottom surface of electric equipment 1) butt with step guiding groove 1d, so the free end 3e of elastomer 3c becomes downwards the state of (below of electric equipment 1) deflection.

If retainer 3 is slided further to be pushed into the mode in step guiding groove 1d, the snap fit tabs 3d of the free end 3e of elastomer 3c arrive near the side of electric equipment 1 with step guiding groove 1d above the position of the connecting hole that forms.At this moment, become the state of deflection downwards due to the free end 3e of elastomer 3c, so the snap fit tabs 3d of free end 3e is embedded in connecting hole, the deflection of the free end 3e of elastomer 3c returns to original state.Thus, the mobile of the free end 3e of elastomer 3c locked, complete retainer 3 to the installation with step guiding groove 1d.

Carry out in the following manner installing on electric equipment 1 direction guiding rail 2 that retainer 3 is installed as noted above, namely, with reference to Fig. 1~Fig. 6, at the slot 1c of the side of the recess 1a that makes electric equipment 1 with after the tabular edge 2a of a side of guide rail 2 engages, make electric equipment 1 rotation centered by this holding section, make the tabular edge 2b butt (with reference to Fig. 5) of the opposite side of the rake 3b1 of retainer 3 and guide rail 2.If further make electric equipment 1 rotate and press under this state, rake 3b1 slides on the end face of tabular edge 2b, makes the holding section 3b of retainer 3 resist the elastic force of elastomer 3c and slide to the right of Fig. 6.At this moment, for elastomer 3c, 3e is locked due to its free end, so compressed.If by further pressing electric equipment 1, make rake 3b1 cross the tabular edge 2b of guide rail 2, compressed elastomer 3c restores before this, and retainer 3 direction left slides and recovers original state.Thus, holding section 3b is engaged with the tabular edge 2b of guide rail 2.This fastening state stably keeps by the compression pretightning force of elastomer 3c.

In Fig. 6, Fig. 7, mounting screw 4 (with reference to Fig. 7) is inserted in the installing hole 1f that is formed on electric equipment 1, thereby this electric equipment 1 is fixed on the fixed part 5 of distribution board for example.At this moment, due in mounting screw 4 is inserted installing hole 1f the time, mounting screw 4 runs through the breakthrough part 3f between foot 3c3 of crawling of elastomer 3c, so even retainer 3 is arranged on electric equipment 1, also can electric equipment 1 be fixed on fixed part 5 by mounting screw 4.As noted above, due to the configuration overlappingly on the above-below direction of electric equipment 1 with retainer 3 and installing hole 1f, in other words, by elastomer 3c is formed in the mode of avoiding mounting screw 4, can extend the effective length of elastomer 3c, need not to increase the horizontal wide of retainer 3, just can obtain as the necessary deflection of elastomer 3c, confining force, thereby have the effect that can realize save space.

Fig. 7 means the end view the when erecting device of the electric equipment in execution mode 1 is installed to fixed part.In Fig. 7, being equipped with under the state of retainer, by mounting screw 4, electric equipment 1 is fixed to fixed part.As noted above, run through the breakthrough part 3f between foot 3c3 of crawling of elastomer 3c due to mounting screw 4, so even retainer 3 is arranged on electric equipment 1, also can electric equipment 1 be fixed on fixed part 5 by mounting screw 4.The situation of Fig. 7 represents also can electric equipment 1 be fixed on fixed part 5 by mounting screw 4 even without embedding guide rail.

In addition, in the situation that use retainer 3 engage with guide rail 2 and electric equipment 1 is installed, when electric equipment 1 is pulled down from guide rail 2, in Fig. 1, Fig. 2, Fig. 5, the opening part with step guiding groove 1d in the side of electric equipment 1, from and retainer 3 between the gap will be for example straight screwdriver insert the hooking hole 3g (Fig. 5) of retainer 3, the compression stress of opposing elastomer 3c pulls the side of retainer 3 to electric equipment 1.So, the engaging between the tabular edge 2b of the holding section 3b of retainer 3 and guide rail 2 is removed.Under this state, centered by the holding section between the slot 1c of the tabular edge 2a of guide rail 2 and recess 1a, so that the mode of electric equipment 1 rotation is lifted it, then, by the holding section between the slot 1c of the tabular edge 2a of guide rail 2 and recess 1a is removed, electric equipment 1 can be pulled down from guide rail 2 thus.

In addition, in order retainer 3 exceedingly not to be pulled out to the side of electric equipment 1, form anticreep projection 3b2 on the 3b of holding section, at suitable place, pull-out location, anticreep projection 3b2 engages with the connecting hole of formation above with the rake 3b1 of guide rail 2 sides of step guiding groove 1d, thereby prevents from retainer 3 is exceedingly pulled out.If retainer 3 is arranged on electric equipment 1, do not need to pull down, but suppose and it will be pulled down, from the bottom surface side of electric equipment 1, utilize pliers etc. that the free end 3e of elastomer 3c is pulled downwards, snap fit tabs 3d is extracted from connecting hole, under this state, as long as retainer 3 is slided to (recess direction) to the left with step guiding groove 1d, just retainer 3 can be pulled down.

Execution mode 2

Fig. 8 means the vertical view of other example of the retainer in execution mode 2.Fig. 9 is installing the retainer 3 of execution mode 2, and electric equipment 1 is arranged in situation on guide rail 2, observes the figure of electric equipment 1 from bottom surface side.In execution mode 1, make mounting screw 4 run through near the breakthrough part 3f of the free end 3e of elastomer 3c, but also can make retainer 3 become shape shown in Figure 8, make mounting screw 4 run through breakthrough part 3f away from the free end 3e of elastomer 3c.In addition, also the breakthrough part 3f of elastomer 3c all can be made as identical shape, thereby make mounting screw 4 can run through any one breakthrough part 3f.

As noted above, by the configuration overlappingly on the above-below direction of electric equipment 1 with retainer 3 and installing hole 1f, in other words, form in the mode of avoiding mounting screw 4 by the elastomer 3c that makes retainer 3, can extend the effective length of elastomer 3c thus, need not to increase the horizontal wide of retainer 3, just can obtain as the necessary deflection of elastomer 3c, confining force, thereby can realize save space.

Claims (3)

1. the erecting device of an electric equipment (1), this electric equipment is formed for embedding the recess (1a) of guide rail (2) in bottom surface sections (1b), a side at described recess (1a) forms slot (1c), retainer (3) in the opposite side of the described recess (1a) relative with described slot (1c) has the guiding groove that is arranged on described guide rail (2) quadrature, the section shape of described guide rail (2) is U word shape, has respectively the edge (2a that stretches out laterally in two upper end, 2b), by described slot (1c) is engaged with the edge (2a) of a side of described guide rail (2), described retainer (3) is flexibly engaged with the edge (2b) of the opposite side of described guide rail (2), thereby this electric equipment (1) is arranged on described guide rail (2),
Wherein,
For described electric equipment (1), be formed for described electric equipment (1) is fixed on the installing hole (1f) of mounting screw (4) use on fixed part (5) in the top of the described guiding groove of described retainer (3),
Described retainer (3) has: frame section (3a), and it has hollow bulb (3a1); Holding section (3b), it is formed on the end of described guide rail (2) side of described frame section (3a); Elastomer (3c), itself and described holding section (3b) form integratedly continuously, are housed in described hollow bulb (3a1), and this elastomer (3c) has the foot of crawling (3c3); Snap fit tabs (3d), it is formed on the free end (3e) of the foot that crawls (3c3) of described elastomer (3c); And the breakthrough part (3f) of described mounting screw (4) use, it is formed in space between the foot that crawls (3c3) of described elastomer (3c),
Described retainer (3) is arranged in described guiding groove, and the snap fit tabs (3d) of free end (3e) of the foot that crawls (3c3) of described elastomer (3c) is locked with the connecting hole that is formed on the inwall of described guiding groove,
Described mounting screw (4) is inserted in the described installing hole (1f) of the top that is formed at described guiding groove, make described mounting screw (4) arrive described fixed part (5) by the breakthrough part (3f) in the space between the foot that crawls (3c3) of described elastomer (3c), thereby described electric equipment (1) is arranged on described fixed part (5).
2. the erecting device of electric equipment as claimed in claim 1, wherein,
The foot that crawls (3c3) of described elastomer (3c) links reverse U-shaped section (3c1) and U word section (3c2) series connection and form.
3. circuit-breaker, it has the erecting device of claim 1 or electric equipment claimed in claim 2.
CN 200910205990 2009-07-10 2009-11-30 Mounting means for electric device and circuit breaker therewith CN101951749B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009-163785 2009-07-10
JP2009163785A JP5270479B2 (en) 2009-07-10 2009-07-10 Mounting device for electrical equipment and circuit breaker provided with the mounting device

Publications (2)

Publication Number Publication Date
CN101951749A CN101951749A (en) 2011-01-19
CN101951749B true CN101951749B (en) 2013-11-06

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CN 200910205990 CN101951749B (en) 2009-07-10 2009-11-30 Mounting means for electric device and circuit breaker therewith

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CN (1) CN101951749B (en)

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US8226433B1 (en) * 2011-03-23 2012-07-24 Phoenix Contact Development & Manufacturing, Inc. Latch assembly for mounting power supply base for a process fieldbus on a DIN rail and method
CN103016482B (en) * 2012-12-28 2015-12-23 深圳可立克科技股份有限公司 Key type bolt fixed structure and bolt button
JP6180989B2 (en) * 2014-04-17 2017-08-16 株式会社日立産機システム Electrical equipment fixture and electrical equipment using the same
CN104409243A (en) * 2014-11-20 2015-03-11 厦门宏发开关设备有限公司 Mounting structure for appliance guide rail
CN105513906A (en) * 2016-02-03 2016-04-20 杭州泰姆电气有限公司 Circuit breaker and buckle assembly thereof
EP3246995B1 (en) * 2016-05-17 2020-05-13 Wöhner GmbH & Co. KG Elektrotechnische Systeme Busbar system

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CN201122559Y (en) * 2007-11-23 2008-09-24 浙江正泰电器股份有限公司 Contactor equipped with surge restraining unit

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CN201097301Y (en) * 2007-08-02 2008-08-06 鸿富锦精密工业(深圳)有限公司 Fan fixing device
CN201122559Y (en) * 2007-11-23 2008-09-24 浙江正泰电器股份有限公司 Contactor equipped with surge restraining unit

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JP5270479B2 (en) 2013-08-21
CN101951749A (en) 2011-01-19
JP2011018610A (en) 2011-01-27

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