CN201060755Y - Low-voltage electrical apparatus with mechanical interlock device - Google Patents
Low-voltage electrical apparatus with mechanical interlock device Download PDFInfo
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- CN201060755Y CN201060755Y CNU2007200048449U CN200720004844U CN201060755Y CN 201060755 Y CN201060755 Y CN 201060755Y CN U2007200048449 U CNU2007200048449 U CN U2007200048449U CN 200720004844 U CN200720004844 U CN 200720004844U CN 201060755 Y CN201060755 Y CN 201060755Y
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Abstract
The utility model relates to a low-voltage electric appliance with a mechanical interlocking device, taking a contactor unit for example, which comprises at least two parallel contactors, wherein, each contactor comprises a base, a bottom base, a top cover and a contactor-head-supported sliding part arranged in the base. Every two parallel electric appliances are provided with a mechanical interlocking device which comprises an interlocking element; the shaft of the interlocking element can rotate in the groove of the base; thereby, the antenna of the interlocking element is extended in the locking hole on the contactor-head-supported sliding part through swing, and then the contacting movement of the contactor-head-supported sliding part is prevented due to the antenna matching with the locking hole, thus the contactors are locked for switching off; when any contactor in the contactor unit is switched on, the adjacent contactors are locked in off state. The connecting slotted hole communicated with the bottom of the electric appliances is arranged on the edges of both sides of the electric appliance base; a U-shaped connecting part is cross-inserted in the connecting slotted hole on the base; thereby, two parallel electric appliances are combined together from the lower end.
Description
Technical field
The utility model relates to a kind of low-voltage electrical apparatus, particularly a kind ofly can make two of installation arranged side by side or above electrical equipment realize mechanical interlocked car coat type low-voltage electrical apparatus, makes the electrical equipment that clamps side by side can not be closed simultaneously.
Background technology
In widely used car coat type low-voltage electrical apparatus, the directional contactor group of forming by two contactors for example, normal and trouble free service in order to ensure it, require to have mechanical interlocked function between its two contactors, promptly when wherein any contactor is in on-state, another contactor then can not be connected, and promptly is locked in off-state.
In the multi-loop circuit system, need to adopt by clamping the electrical equipment group that electrical equipment is formed more than two, in order to ensure its normal and trouble free service, require each appliance chamber to have mechanical interlocked function, promptly at one time, only allow wherein electrical equipment connection, other two adjacent electrical equipment then are locked in off-state.
With the contactor is that example illustrates, the interlocked contactor that generally adopts is made up of two independent contactors and an interlock at present, and existing interlock structure is comparatively complicated, and part is more, and it is bigger to take up space.
The patent No. is the utility model patent of ZL200520026452.3, discloses a kind of mechanical interlocking building block technique of reversible A.C. contactor, and described mechanical interlocking module comprises: the locking part of housing, sheepshead type, two push rods, two contact supports; A screw mandrel and a bridge-shaped contact that is fixed together with push rod is respectively arranged in each contact support, and two push rods lean respectively on the sheep corner, the left and right sides of the locking part of described sheepshead type, are fixed with the internal thread inserts with the screw mandrel coupling in each contact support.The operation principle of the mechanical interlocking module of this prior art is: the internal thread inserts of supporting by two contacts, make two contact supports can drive the screw mandrel motion, and then promotion push rod, latched position is arrived in the sheep corner, the left and right sides that makes push rod promote sheepshead type locking part, thereby realizes interlock.
The prior art needs more part to form, therefore problems such as manufacture difficulty is big, processing cost is high, small product size is big have been caused, and every contactor in the contactor group can not be as independently contactor use, perhaps independently contactor can not be combined into the contactor group, can not realize the independent assortment and the reciprocal interlocking of two or above contactor, its application has been subjected to a lot of restrictions.
The utility model content
The purpose of this utility model is intended to overcome the defective of above-mentioned prior art, and a kind of independent assortment, independent used low-voltage electrical apparatus with mechanical interlock again of getting final product is provided.
Low-voltage electrical apparatus of the present utility model can be as the low-voltage electrical apparatus group that is combined into by two electrical equipment arranged side by side, and when wherein any electrical equipment was in on-state, another electrical equipment was locked in off-state and can not connects.The utility model can also be used for by clamping the electrical equipment group that electrical equipment is combined into more than two, and when wherein any electrical equipment was in on-state, its adjacent electrical equipment all was locked in off-state.
In order to realize above-mentioned utility model purpose, the low-voltage electrical apparatus with mechanical interlock of the present utility model has adopted following technical scheme.
Low-voltage electrical apparatus of the present utility model comprises at least two low-voltage electrical apparatuses with same structure arranged side by side, each electrical equipment comprises base, be positioned at pedestal, the top cover of described base top and be installed in the reciprocating contact support sliding part of pedestal, per two electrical equipment arranged side by side are controlled by a mechanical interlock, forbid that the contact of electrical equipment arranged side by side supports sliding part closed simultaneously.Described mechanical interlock comprises: the interlocking member that can swing is arranged on the described pedestal, and a fulcrum shaft is arranged on the described interlocking member, and it is pivoted with described pedestal is connected, and interlocking member can be swung around described fulcrum shaft; An interior feeler and an outer feeler are formed on the described interlocking member, and each feeler end has the angle end face of arc; Interior lock hole is located at the contact of each electrical equipment and supports sliding part near on the sidewall of interlocking member, and outer lock hole is located at the contact of each electrical equipment and supports on the side of sliding part away from interlocking member; A through hole 28 is formed on first lateral wall 202 of pedestal, groove 103 and a hole 108 that connects with groove 103 of a two ends perforation are formed on second lateral wall 102 of pedestal, when at least two low-voltage electrical apparatuses with same structure are arranged side by side, the interior feeler of described interlocking member and outer feeler can be swung in described through slot 103,, interior feeler 32 supports in the interior lock hole 17 on the sliding part that the contact that makes outer feeler 33 from described electrical equipment interlocking member 3 can stretch out another one electrical equipment is supported in the outer lock hole 27 on the sliding part so that extending into the contact of at least one electrical equipment; The contact of described mechanical interlock and each electrical equipment supports the structural parameters of sliding part should satisfy following matching relationship:
L＞H
d1+d2＞L-H
Distance between two angle end faces (321 and 331) of the interior feeler 32 of L-locking member 3 and outer feeler 33;
H-two contacts are supported distance between sliding part 13 and 23 two side wall surfaces (131 and 231);
The gap that the angle end face (321) of feeler 32 can freely swing in interior lock hole in the d1-;
The gap that the angle end face (331) of the outer feeler 33 of d2-can freely swing in the lock hole outside.
Two sidewall tops of the groove 103 on the pedestal have two semicircle curved surfaces (104,105), the fulcrum shaft 31 of described interlocking member 3 to be mounted on the semicircle curved surface (104,105), can rotation in semicircle curved surface (104,105).
The link slot hole that connects with the bottom surface of described electrical equipment is formed on the both sides of the edge of described electrical equipment base, connect by the coupling that is connected slotted eye default on general U-shaped connector and the base, the U-shaped connector rides in the connection slotted eye that inserts on the described base, thereby be connected together from the lower end with two electrical equipment arranged side by side, two above contactors can be combined into the contactor group.Electrical equipment arranged side by side upper end is by a top cover or be divided into two top covers and cover fixing.
The interior feeler (32) of described interlocking member (3) and outside have an acting surface (326 on the feeler (33), 336), acting surface (326,336) support the interior lock hole (17) on the sliding part, the sliding surface (132 in the outer lock hole (27) with contact respectively, 232) energy sliding contact, acting surface (326,336) is respectively by the smooth linking of angle end face (321,331) on circular arc and interior feeler (32), the outer feeler (33).
The side wall surface (131,231) that the contact of each electrical equipment is supported sliding part (13,23) respectively with its on interior lock hole (17) in sliding surface (132) and the interior sliding surface (232) of outer lock hole (27) be connected by circular arc is smooth.
Advantages such as that low-voltage electrical apparatus of the present utility model has is simple in structure, be easy to make, production cost is low, volume is little, purposes is wide, easy for operation, interlocking good reliability have solved and can not freely form the difficult problem that can not reliably interlock after electrical equipment group with interlock function or the combination between the independent used electrical equipment that exists in the electrical equipment of prior art.
Description of drawings
Fig. 1 is the structural representation of the contactor group of the utility model embodiment.
Fig. 2 is the three-dimensional view of mechanical interlock of the contactor group of the utility model embodiment.
Fig. 3 is the stereoscopic view after the contactor group of the utility model embodiment makes up.
Fig. 4 is the mechanical interlock cutaway view of the contactor group of the utility model embodiment.
Fig. 5 is the partial enlarged drawing of Fig. 4.
Fig. 6 is the structure cutaway view of contactor group lock-out state of the present utility model.
Embodiment
To be example with the contactor below, be described with reference to the accompanying drawings the technical solution of the utility model.
By shown in Figure 1, contactor embodiment with interlock of the present utility model is combined by two identical contactors (100 and 200), describe for clear, below contactor 100 is called the body contactor, contactor 200 is called adjacent tentaculum and is specifically described.
As depicted in figs. 1 and 2, body contactor 100 or adjacent tentaculum 200 all comprise base (12,22), be positioned at pedestal (11,21), the top cover 4 of base top and be installed in the reciprocating contact support sliding part (13,23) of pedestal, per two electrical equipment arranged side by side are controlled by a mechanical interlock, forbid that the contact of electrical equipment arranged side by side supports sliding part closed simultaneously.Described mechanical interlock comprises: the interlocking member that can swing 3 is arranged on the described pedestal (11,21), a fulcrum shaft 31 is arranged on the described interlocking member 3, it is connected with described pedestal (11,21) pivot, interlocking member 3 can be swung around described fulcrum shaft 31; An interior feeler 32 and an outer feeler 33 are formed on the described interlocking member 3; Interior lock hole 17 is located at the contact of each electrical equipment and supports sliding part near on the side wall surface 131 of interlocking member 3, and outer lock hole 27 is located at the contact of each electrical equipment and supports on the opposite side wall 231 of sliding part away from interlocking member 3; A through hole 28 is formed on pedestal (11,21) on first lateral wall 202, groove 103 and a hole 108 that connects with groove 103 of a two ends perforation are formed on pedestal (11,21) on second lateral wall 102, when at least two contactors with same structure are arranged side by side, the interior feeler 32 and the outer feeler 33 of described interlocking member 3 can be swung in described through slot 103, so that extending into the contact of described contactor 100, interior feeler 32 supports to make the base shell that can stretch out described contactor 100 from the outer feeler 33 of described electrical equipment interlocking member 3 in the interior lock hole 17 of sliding part 13, and the contact that enters into adjacent tentaculum 200 is supported in the outer lock hole 27 of sliding part 23.Only allow wherein electrical equipment connection at one time with realization, and other electrical equipment arranged side by side disconnects, thereby reach the interlocking effect.
Shown in Fig. 1,2,5, on contactor pedestal (11,21), be equipped with a groove 103 (lead mutually on the contactor 200 not shown), above two sidewalls of groove 103, be provided with two semicircle curved surfaces (104 and 105), fulcrum shaft 31 on the interlocking member 3 is mounted on semicircle curved surface (104 and 105) and goes up to realize that pivot is connected, and the interior feeler 32 and the outer feeler 33 of interlocking member 3 can be swung in groove 103; Through hole 28 (not shown on contactor 100) is set on first lateral wall 202 of pedestal (11 and 21), the two ends of groove 103 connect, on second lateral wall 102 of pedestal (11 and 21), be equipped with a hole 108 that connects with groove 103, so that the outer feeler of interlocking member stretches out the base shell of body contactor by this hole; Support at the contact of each contactor to be equipped with an interior lock hole 17 (not shown on contact support sliding part 23) on the side of close interlocking member of sliding part (13 and 23), this hole can hold the interior feeler 32 on the interlocking member 3, support in the interior lock hole 17 of sliding part 3 so that interior feeler 32 can extend into the contact of body contactor 100, and match with it and finish the locking task that contact is supported sliding part 13; On supporting the side away from interlocking member 3 of sliding part, the contact of each contactor is equipped with lock hole 27 one outside (not shown on contact support sliding part 13), this hole can hold the outer feeler 33 of interlocking member 3, the contact that makes outer feeler 33 can stretch out the base shell of body contactor 100 and enter into adjacent tentaculum 200 props up in the outer lock hole 27 of skill sliding part 23, and matches with it and finish the locking task that contact is supported sliding part 23.
As shown in figures 1 and 3, on the both sides of the edge of the base (12,22) of each contactor, be equipped with the bottom surface connects and be connected slotted eye (51,61,71,81; 52,62,72,82).U-shaped connector 5 rides and insert to connect slotted eye 51 and 52, and U-shaped connector 6 rides to insert and connects slotted eye 61 and 62, combines thereby contactor 100 is connected with adjacent tentaculum 200.Connection slotted eye on the base 12 (71,81) is contactor 100 and the combined connecting interface that is connected of other adjacent tentaculum (not shown); Connection slotted eye on the base 22 (72,82) is contactor 200 and the combined connecting interface of other adjacent tentaculum (not shown).This shows, be connected slotted eye and two above contactors can be combined into the contactor group by default on general U-shaped connector 5 (or 6) and the base.The cross section of described U-shaped connector becomes U-shaped, the both sides projection 501 of U-shaped, 502 one-tenth half swallowtail-shaped structure (see figure 1)s or L shaped structure; Connect and to be shaped as half swallow-tail form or half L shaped hole on the base end face of slotted eye, half hole is provided with opening 720,820,811,711 (shown in Figure 3) on the base end face edge, the opening in described half hole prolongs along the depth in half hole, just on the base side shape groove 721,821 (shown in Figure 3), two and half swallow-tail forms of U-shaped connector or L shaped projection are ridden in half swallow-tail form or L shaped half hole of the connection slotted eye that inserts two contactors, just two contactors are connected.
Described each contactor all can be used as the body contactor, realizes being connected combination with its adjacent side by side contactor.
As shown in Figure 4 and Figure 5, when contactor all is in off-state, interlocking member 3 is in the middle position, in interior feeler 32 and outer feeler 33 can freely stretch into respectively in lock hole 17 and the outer lock hole 27, the interior feeler 32 of locking member 3 and two angle end faces (321 and 331) of outer feeler 33 apart from L greater than two side wall surfaces (131 and 231) on the two contacts support sliding part 13 and 23 apart from H; Under this state, interior feeler 32 and outer feeler 33 support sliding part (13 and 23) not contact with contact respectively, in this case, interior feeler 32 and outer feeler 33 respectively interior lock hole 17 with outside a gap d that can freely swing 1 and d2 are arranged in the lock hole 27, embodiment as shown in Figure 5, in d1 and d2 represent two angle end faces (321 and 331) of feeler 32 and outer feeler 33 respectively with the distance of the bottom surface, hole (133 and 233) of interior lock hole 17 and outer lock hole 27, for guaranteeing the normal running and the interlocking of contactor group, should meet the following conditions between above-mentioned each parameter:
L＞H and d1+d2＞L-H
In the formula:
Distance between two angle end faces (321 and 331) of the interior feeler 32 of L-locking member 3 and outer feeler 33;
H-two contacts are supported distance between sliding part 13 and 23 two side wall surfaces (131 and 231);
The gap that the angle end face (321) of feeler 32 can freely swing in interior lock hole in the d1-;
The gap that the angle end face (331) of the outer feeler 33 of d2-can freely swing in the lock hole outside.
Be example with the interlocking contactor below, the course of work of the present utility model is described.
As shown in Figure 5, when body contactor 100 is connected earlier, the contact of body contactor 100 supports that sliding part 13 moves down under the effect of operating physical force, owing to satisfy the condition of L＞H, so sliding surface 132 in the interior lock hole 17 and contact support the side wall surface 131 on the sliding part 13 to promote interior feeler 32, interlocking member 3 is swung to adjacent tentaculum 200 directions, when interior feeler 32 is released from interior lock hole 17 fully, make contact support the side wall surface 131 of sliding part 13 to head on the angle end face 321 (state as shown in Figure 6) on the interior feeler 32 on the interlocking member 3.Because above-mentioned parameter satisfies the condition of d1+d2＞L-H, so interlocking member 3 is in adjacent tentaculum 200 swing process, its outer feeler 33 can freely stretch in the outer lock hole 27 of adjacent tentaculum 200 all the time, to guarantee the normal making operation of body contactor.
As shown in Figure 6, when body contactor 100 is in on-state, because the contact of body contactor 100 supports the side wall surface 131 of sliding part 13 to head on the angle end face 321 of the interior feeler 32 of interlocking member 3, institute is so that interlocking member 3 can not be to 100 swings of body contactor, thus, the outer feeler 33 of interlocking member 3 has blocked moving downward of sliding surface 232 in the outer lock hole 27 on the adjacent tentaculum, just make the contact of adjacent tentaculum support that sliding part 23 can not move down, thereby locked adjacent tentaculum 200, adjacent tentaculum 200 can not be connected.
The following describes the interlocking course of action that adjacent tentaculum 200 is connected earlier and the body contactor can not be connected.
As shown in Figure 5, when adjacent tentaculum 200 is connected earlier, its contact supports that sliding part 23 moves down under the effect of operating physical force, because above-mentioned parameter satisfies the condition of L＞H, so sliding surface 232 in the outer lock hole 27 and contact support the side wall surface 231 on the sliding part 23 to promote outer feeler 33, interlocking member 3 is swung to body contactor 100 directions, outer feeler 33 is released outer lock hole 27 fully, make contact support the side wall surface 231 of sliding part 23 to head on angle end face 331 (not shown)s of the outer feeler 33 on the interlocking member 3.Because above-mentioned parameter satisfies the condition of d1+d2＞L-H, so interlocking member 3 is in body contactor 100 swing process, feeler 32 can freely stretch in the interior lock hole 17 of body contactor 100 all the time in it, to guarantee the normal making operation of adjacent tentaculum 200.When adjacent tentaculum 200 is in on-state, because the contact of adjacent tentaculum 200 supports the side wall surface 231 of sliding part 23 to head on the angle end face 331 of the outer feeler 33 of interlocking member 3, institute is so that interlocking member 3 can not be to adjacent tentaculum 200 swings, thus, the interior lock hole 17 interior sliding surfaces 132 that the interior feeler 32 of interlocking member 3 has blocked body contactor 100 move downward, just make the contact of body contactor 100 support that sliding part 13 can not move down, thereby locked body contactor 100, body contactor 100 can not be connected.
As seen from Figure 2, the fulcrum shaft 31 of interlocking member 3 is on two the semicircle curved surfaces (104 and 105) that are placed on the pedestal, retrain the structure that fulcrum shaft 31 neither takes off and can pivot flexibly by the common formation of contact-making surface (not marking among the figure) on the cover plate part 4 and semicircle curved surface (104 and 105), therefore, after opening top cover 4, interlocking member 3 can easily be loaded and unloaded, make interlocking member 3 can be used as a universal component, in producing and using, be configured and load and unload according to practical use.This technical scheme of the present utility model, solved the contactor of independent use and be used for can be general between the contactor of contactor group technical barrier, produce and use cost has significant contribution for reducing.
As seen from Figure 5, an acting surface 326 is arranged on the interior feeler 32 on the interlocking member 3, acting surface 326 is connected by circular arc is smooth with the angle end face 321 of interior feeler 32.An acting surface 336 is also arranged on the outer feeler 33 on the interlocking member 3, and acting surface 336 is connected by circular arc is smooth with the angle end face 331 of outer feeler 33. Acting surface 326 and 336 is had an effect with interior lock hole 17 and the sliding surface 132 and 232 in the outer lock hole 27 respectively.When body contactor 100 carried out making operation, the sliding surface 132 first impetus faces 326 in the interior lock hole 17 made interlocking member 3 to adjacent tentaculum 200 swings; When body contactor 100 is in on-state earlier, blocked sliding surface 232 by acting surface 336, make the contact of adjacent tentaculum 200 support sliding part 23 can not make ON Action; When adjacent tentaculum 200 carried out making operation, the sliding surface 232 first impetus faces 336 in the outer lock hole 27 made interlocking member 3 to 100 swings of body contactor; When adjacent tentaculum is in on-state, blocked sliding surface 132 by acting surface 326, make the contact of body contactor 100 support sliding part 13 can not make ON Action.This shows, be connected with circular arc is smooth between the angle end face on interior feeler 32 and the outer feeler 33 and the acting surface, help to improve operating characteristics.
Sliding surface 132 in the interior lock hole 17 and contact are supported between the side wall surface 131 on the sliding part 13 employing circular arc are smooth to be connected, adopt also between the sidewall 231 in sliding surface 232 in the outer lock hole 27 and the contact support slip 23 that circular arc is smooth to be connected, these smooth linkings help to improve operating characteristics equally.
Technological thought of the present utility model is not limited to the above-mentioned specific embodiment of specification.For example, the contactor group that is combined into by two above contactors of the present utility model with mechanical interlock, wherein every contactor all is identical, the contactor quantity that participates in combination can dispose according to actual needs, the interlock function of the contactor group after the combination is: when wherein any one contactor was connected earlier, the contactor of its adjacent both sides all was locked in off-state and can not connects.In addition, described fulcrum shaft 31 also can be arranged on the top of the two side of the groove 103 on each pedestal, described semicircle curved surface is arranged on the interlocking member 3 with hook-shaped, and interlocking member 3 is mounted on the fulcrum shaft on the groove 103 pivotally by hook-shaped semicircle curved surface, can freely swing in groove 103.
Contactor group with mechanical interlock of the present utility model, wherein every contactor all can be used as independently contactor use, and when using as independent contactor, the interlock on it does not influence normal running, operation and the use of contactor.That is to say, use the same contactor product that technical solutions of the utility model are manufactured, both can be used as independent contactor and used, also can be used for being combined into contactor group with interlock function.This technical characterictic of the present utility model has great importance for reducing production costs, enhancing productivity.
The base of each contactor can be made one or pedestal is made one or top cover is made one in the contactor with mechanical interlock of the present utility model, thereby forms indissociable integral body between each contactor.
Though the utility model specification is example with the contactor, yet, it will be apparent to those skilled in the art that obviously the utility model is not only applicable to contactor, equally is applicable to other low-voltage electrical apparatuses that clamp, for example device such as circuit breaker or switch yet.
Claims (9)
1. low-voltage electrical apparatus with mechanical interlock, comprise at least two low-voltage electrical apparatuses arranged side by side with same structure, each electrical equipment comprises base, be positioned at pedestal, the top cover of described base top and be installed in the reciprocating contact support sliding part of pedestal, it is characterized in that:
Per two electrical equipment arranged side by side are controlled by a mechanical interlock, forbid that the contact of electrical equipment arranged side by side supports sliding part (13,23) closed simultaneously,
Described mechanical interlock comprises:
The interlocking member that can swing (3) is arranged on described pedestal (11,21) on, a fulcrum shaft (31) is arranged on the described interlocking member (3), with itself and described pedestal (11,21) pivot connects, and interlocking member (3) can be swung around described fulcrum shaft (31);
An interior feeler (32) and an outer feeler (33) are formed on the described interlocking member (3), and each feeler end is provided with the angle end face (321,331) of arc;
Interior lock hole (17) is located at the contact of each electrical equipment and supports sliding part (13,23) on the side wall surface (131) of a side of close interlocking member (3), outer lock hole is located at the contact of each electrical equipment and supports sliding part (13,23) on the side wall surface (231) away from a side of interlocking member (3), lock hole in described (17) and outside be equipped with sliding surface (132,232) in the lock hole (27);
A through hole (28) is formed on first lateral wall (202) of pedestal, groove (103) and a hole (108) that connects with groove (103) of a two ends perforation are formed on second lateral wall (102) of pedestal, when at least two low-voltage electrical apparatuses with same structure are arranged side by side, the interior feeler of described interlocking member and outer feeler can be swung in described through slot (103), so that extending into the contact of described electrical equipment (100), interior feeler (32) supports to make outer feeler (33) can stretch out the base shell of described electrical equipment (100) in the interior lock hole (17) of sliding part (3) from described electrical equipment interlocking member (3), and the contact that enters into adjacent electrical equipment (200) is supported in the outer lock hole (27) of sliding part (23);
For guaranteeing the normal running and the interlocking of electrical equipment group, the contact of described mechanical interlock and each electrical equipment supports the structural parameters of sliding part should satisfy following matching relationship:
L＞H reaches
d1+d2＞L-H
Distance between two angle end faces (321 and 331) of the interior feeler (32) of L-interlocking member (3) and outer feeler (33); Distance between two side wall surfaces (131 and 231) of H-two contacts support sliding parts (13) and (23);
The gap that the angle end face (321) of feeler (32) can freely swing in interior lock hole in the d1-;
The gap that the angle end face (331) of the outer feeler (33) of d2-can freely swing in the lock hole outside.
2. the low-voltage electrical apparatus with mechanical interlock according to claim 1, it is characterized in that: described each pedestal (11, the top, two side of the groove 21) (103), be provided with two semicircle curved surfaces (104 and 105), interlocking member (3) is installed on the semicircle curved surface (104 and 105) pivotally by fulcrum shaft (31), and can freely swing in groove (103);
When each electrical equipment arranged side by side was in whole off-state, interior feeler (32) on the interlocking member (3) and outer feeler (33) can freely stretch into respectively in the outer lock hole (27) of the interior lock hole (17) of described electrical equipment (100) and adjacent electrical equipment (200);
When an electrical equipment (100) is connected earlier, operating physical force drives its contact and supports sliding part (13) to move down, the sliding surface (132) that drives in the interior lock hole (17) on it moves down, the interior feeler (32) that sliding surface (132) promotes on the described electrical equipment (100) again breaks away from interior lock hole (17), support the side wall surface (131) on the sliding part (13) to head on the angle end face (321) of interior contact (32) contact, and interlocking member (3) is swung to adjacent electrical equipment (200), outer feeler (33) is stretched in the outer lock hole (27) of adjacent electrical equipment (200) fully, thereby stop the contact of adjacent electrical equipment (200) to support moving down of sliding part (23), adjacent electrical equipment (200) is locked in off-state;
When any electrical equipment was connected earlier in the electrical equipment of described installation arranged side by side, its adjacent electrical equipment all was locked in off-state, thereby reaches the interlocking effect;
Described interlocking member (3) can be configured as required, can easily be loaded and unloaded after opening top cover (4), and the low-voltage electrical apparatus that unloads interlocking member (3) still can be used as independent electrical equipment and normally uses.
3. the low-voltage electrical apparatus with mechanical interlock according to claim 1, it is characterized in that: at the base (12 of described each electrical equipment, 22) be equipped with at least one on the both sides of the edge of bottom surface and connect slotted eye, connect slotted eye and on the cross section of the bottom surface that is parallel to base (12 or 22), be shaped as half swallow-tail form or half L shaped hole, there is opening in described half hole in the bottom edge of base (12 or 22), described opening prolongs along described half hole depth, thereby on the side of base, formed a groove (721), go up the default coupling that is connected slotted eye by general U-shaped connector (5 or 6) and base (12 or 22) and connect, two above contactors can be combined into the contactor group.
4. the low-voltage electrical apparatus with mechanical interlock according to claim 3, it is characterized in that: the cross section of described U-shaped connector (5) takes the shape of the letter U, the both sides projection (501 of U-shaped, 502) be half swallow-tail form or L shaped, half swallow-tail form that is connected slotted eye on this half swallow-tail form or the L shaped and described low-voltage electrical apparatus seating plane or L shapedly be complementary, in the connection slotted eye in half swallow-tail form that two and half swallow-tail forms of U-shaped connector (5) or L shaped projection is ridden insert two electrical equipment arranged side by side or half L shaped hole, thereby be connected together from the lower end with two electrical equipment.
5. the low-voltage electrical apparatus with mechanical interlock according to claim 1, it is characterized in that: described fulcrum shaft (31) is arranged on the top of the two side of the groove (103) on each pedestal, described semicircle curved surface is arranged on the interlocking member (3) with hook-shaped, interlocking member (3) is mounted on the fulcrum shaft on the groove (103) pivotally by hook-shaped semicircle curved surface, can freely swing in groove (103).
6. the low-voltage electrical apparatus with mechanical interlock according to claim 1, it is characterized in that: the interior feeler (32) of described interlocking member (3) and outside have an acting surface (326 on the feeler (33), 336), acting surface (326,336) support the interior lock hole (17) on the sliding part, the sliding surface (132 in the outer lock hole (27) with contact respectively, 232) sliding contact, acting surface (326,336) respectively by the smooth linking of angle end face (321,331) on circular arc and interior feeler (32), the outer feeler (33).
7. the low-voltage electrical apparatus with mechanical interlock according to claim 1, it is characterized in that: the contact of each electrical equipment is supported sliding part (13,23) side wall surface (131,231) respectively with its on interior lock hole (17) in sliding surface (132) and the interior sliding surface (232) of outer lock hole (27) be connected by circular arc is smooth.
8. the low-voltage electrical apparatus with mechanical interlock according to claim 1 is characterized in that: each pedestal (11,21) of described electrical equipment arranged side by side, base (12,22) or top cover can be made into pedestal, base or the head components with one respectively.
9. the low-voltage electrical apparatus with mechanical interlock according to claim 1 is characterized in that: wherein each electrical equipment all can independently use, and as independent the use time, the interlock on the described electrical equipment does not influence its operate as normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200048449U CN201060755Y (en) | 2007-02-12 | 2007-02-12 | Low-voltage electrical apparatus with mechanical interlock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200048449U CN201060755Y (en) | 2007-02-12 | 2007-02-12 | Low-voltage electrical apparatus with mechanical interlock device |
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| Publication Number | Publication Date |
|---|---|
| CN201060755Y true CN201060755Y (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200048449U Expired - Lifetime CN201060755Y (en) | 2007-02-12 | 2007-02-12 | Low-voltage electrical apparatus with mechanical interlock device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246791B (en) * | 2007-02-12 | 2011-04-13 | 浙江正泰电器股份有限公司 | Low-voltage electrical apparatus with mechanical interlock device |
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2007
- 2007-02-12 CN CNU2007200048449U patent/CN201060755Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246791B (en) * | 2007-02-12 | 2011-04-13 | 浙江正泰电器股份有限公司 | Low-voltage electrical apparatus with mechanical interlock device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080514 Effective date of abandoning: 20070212 |