CN103000407B - A kind of locking device and electric switch equipment - Google Patents
A kind of locking device and electric switch equipment Download PDFInfo
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- CN103000407B CN103000407B CN201110274482.6A CN201110274482A CN103000407B CN 103000407 B CN103000407 B CN 103000407B CN 201110274482 A CN201110274482 A CN 201110274482A CN 103000407 B CN103000407 B CN 103000407B
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Abstract
The invention discloses a kind of locking device and electric switch equipment.This locking device comprises: switch cover, and its end face is provided with through hole; Handle, it comprises installation shaft and handle, and installation shaft can be assemblied in through hole, and two of described handle sidewalls are respectively arranged with groove; Lock part, it comprises a U-type groove, and two inside sidewalls of described U-type groove have at least one first projection respectively, and each first projection is entered corresponding groove from the clamping of handle side-wall outer side; Wherein, the sidewall of the through hole of described switch cover is provided with opening, and the end of the close described through hole of described lock part is provided with the second projection; Or the sidewall of the through hole of described switch cover is provided with the second projection, and the end of the close described through hole of described lock part is provided with opening; When described first projection is slided along described groove, described second projection can insertion opening.Use this locking device, the installing space of electric switch equipment can be reduced.
Description
Technical field
The present invention relates to electrical equipment, particularly relate to a kind of locking device and electric switch equipment.
Background technology
Electric switch equipment comprises such as circuit switch device and circuit-breaker, and this type of switch generally adopts handle to carry out the state of console switch.In this type of switchgear, handle locking in fixed position, is caused danger with anti-misoperation handle by general employing locking device.
Locking device of the prior art adopts following design to realize mostly.As shown in Figure 1, for handle do not lock time, the state of lock part 11.As shown in Figure 2, for needs lock time, the state of lock part 11.Lock function adopts lock part 11 and handle 2 to combine and realizes.As shown in Figure 1, when not needing locking, it is inner that lock part 11 embeds handle 2.As shown in Figure 2, when needs lock, by the latched position shown in lock part 11 pull-up to Fig. 2, now the internal mechanism of lock part 11 can realize the mutual locking between the lid of lock part 11, handle 2 and switch 13, and handle 2 can not be rotated.That is, when handle 2 is locked, switch is inoperable.
Preferably, lock part 11 can be arranged three lockholes 14, now lock part 11 can more stably be fixed in the locking position through these lockholes 14 by locking device.Like this, further by handle locking, can be moved to prevent handle by the fixing of locking device.
But the above-mentioned locking device of prior art, when needs are by switch lock timing, need lock part to pull out in handle, this needs more installing space.Under normal circumstances, switch is generally vertically arranged, and therefore such locking device just makes switch need larger space in fitting depth direction.But the high performance demands of existing switchgear, makes the overall dimension of switchgear more and more less, therefore, needs the space reduced as far as possible shared by locking mechanism, especially on the direction of switch fitting depth.
Summary of the invention
In view of this, one aspect of the present invention is to provide a kind of locking device, can reduce the installing space of electric switch equipment, especially the installing space in fitting depth direction during switch at right angle setting.The present invention also provides a kind of electric switch equipment comprising this locking device.
According to the embodiment of the present invention, a kind of locking device is provided, comprises:
Switch cover, its end face is provided with through hole;
Handle, it comprises installation shaft and handle, and described installation shaft can be assemblied in described through hole, and two of described handle sidewalls are respectively arranged with groove;
Lock part, it comprises a U-type groove, and two inside sidewalls of described U-type groove have at least one first projection respectively, and the first projection described in each is entered corresponding described groove from the clamping of described handle side-wall outer side;
Wherein, the sidewall of the described through hole of described switch cover is provided with opening, and the end of the close described through hole of described lock part is provided with the second projection; Or the sidewall of the described through hole of described switch cover is provided with the second projection, and the end of the close described through hole of described lock part is provided with opening;
When described first projection is slided along described groove, described second projection can be inserted in described opening.
As can be seen from such scheme, when the second protruding insertion opening, between switch cover and lock part, realize interlocking, simultaneously because the groove of handle is entered in the first protruding clamping, lock part, interlocking between handle and switch cover can be realized.During such locking, lock part is positioned at handle inner, without the need to the installing space outside occupying volume, can reduce the installing space of electric equipment, especially the space in fitting depth direction.
Preferably, described locking device also comprises locking device; Described handle is U-shaped handle, and two of described handle sidewalls are all provided with the first hole penetrating described sidewall, described lock part also comprises the structure of extending from the bottom land of described U-type groove, and this structure is provided with the cantilever vertical with described U-type groove bottom land, and described cantilever has the second hole, when the described second described opening of protruding insertion, described first hole is aimed at described second hole, and relative for described handle described switch cover locks with described second hole through described first hole by described locking device.Like this, more stable for handle can lock onto on switch cover through the second hole on the first hole and lock part cantilever by locking device, avoids the movement of handle.
Preferably, described locking device also comprises locking device; Two sidewalls of described handle are all provided with the first hole penetrating described sidewall, the structure of extending on the sidewall of the described U-type groove of described lock part or in described U-type groove is provided with the second hole, when the described second described opening of protruding insertion, described first hole is aimed at described second hole, and relative for described handle described switch cover locks with described second hole through described first hole by described locking device.Like this, more stable for handle can lock onto on switch cover through the first hole and the second hole by locking device further, avoids the movement of handle.
Preferably, described locking device also comprises elastic component; Described opening is provided with on the sidewall of the described through hole of described switch cover, and the end of the close described through hole of described lock part be provided with described second protruding time, described elastic component is positioned at described installation shaft, and described elastic component can by the described opening of the described second protruding ejection; The second projection is provided with on the sidewall of the described through hole of described switch cover, and the end of the close described through hole of described lock part is when being provided with described opening, described elastic component is positioned at described opening, and described elastic component can by the described opening of the described second protruding ejection.
Like this, when not needing locking, described elastic component by the described opening of the described second protruding ejection, can avoid lock by mistake.
Preferably, two directions that sidewall is close toward each other of the end away from described installation shaft of described handle are bending or tilt, make it possible to from easily the U-type groove of lock part being stuck in outside handle away from end of installation shaft, by the first projection of lock part easily clamping enter in the groove of handle.
Preferably, the end away from described installation shaft of described groove is provided with boss, and the first projection of lock part can not be come off from the groove of described handle.
Preferably, two side-wall outer side of described U-type groove are provided with operating block, make operational lock part to slide along groove easily.
Embodiments of the present invention also provide a kind of locking device, comprising:
Switch cover, its end face is provided with through hole;
Handle, it comprises installation shaft and handle, and described installation shaft can be assemblied in described through hole, and two of described handle sidewalls are respectively provided to few one first projection;
Lock part, it comprises a U-type groove, and two inside sidewalls of described U-type groove are respectively arranged with groove, and the first projection described in each on described handle is entered corresponding described groove from clamping outside described handle;
Wherein, the sidewall of the described through hole of described switch cover is provided with opening, and the end of the close described through hole of described lock part is provided with the second projection; Or the sidewall of the described through hole of described switch cover is provided with the second projection, and the end of the close described through hole of described lock part is provided with opening;
When described first projection is slided along described groove, described second projection can be inserted in described opening.
As can be seen from such scheme, when the second protruding insertion opening, between switch cover and lock part, realize interlocking, simultaneously because the groove of lock part is entered in the first protruding clamping of handle sidewall, lock part, interlocking between handle and switch cover can be realized.During such locking, lock part is positioned at handle inner, without the need to the installing space outside occupying volume, can reduce the installing space of electric equipment, especially the space in fitting depth direction.
Preferably, described locking device also comprises: locking device; Described handle is U-shaped handle, and two of described handle sidewalls are all provided with the first hole penetrating described sidewall, described lock part also comprises the structure of extending from the bottom land of described U-type groove, and this structure is provided with the cantilever vertical with described U-type groove bottom land, described cantilever has the second hole, when the described second described opening of protruding insertion, described first hole is aimed at described second hole, and relative for described handle described switch cover locks with described second hole through described first hole by described locking device.Like this, more stable for handle can lock onto on switch cover through the second hole on the first hole and lock part cantilever by locking device, avoids the movement of handle.
Preferably, described locking device also comprises: locking device; Two sidewalls of described handle are all provided with the first hole penetrating described sidewall, the structure of extending on the sidewall of the described U-type groove of described lock part or at described U-type groove sidewall is provided with the second hole, when the described second described opening of protruding insertion, described first hole is aimed at described second hole, and relative for described handle described switch cover locks with described second hole through described first hole by described locking device.Like this, more stable for handle can lock onto on switch cover through the first hole and the second hole by locking device, avoids the movement of handle.
Preferably, described locking device also comprises elastic component; Described opening is provided with on the sidewall of the described through hole of described switch cover, and the end of the close described through hole of described lock part be provided with second protruding time, described elastic component is positioned at described installation shaft, and described elastic component can by the described opening of the described second protruding ejection; Described second projection is provided with on the sidewall of the described through hole of described switch cover, and the end of the close described through hole of described lock part is when being provided with described opening, described elastic component is positioned at described opening, and described elastic component can by the described opening of the described second protruding ejection.
Like this, when not needing locking, described elastic component by the described opening of the described second protruding ejection, can avoid lock by mistake.
Preferably, two directions that sidewall is close toward each other of the end away from described installation shaft of described handle are bending or tilt, make it possible to from easily the U-type groove of lock part being stuck in outside handle away from the end of installation shaft, by the first projection of handle easily clamping enter in the groove of lock part.
Preferably, the end away from described installation shaft of described handle is provided with boss, and the first projection of handle can not be departed from the groove of self-locking part.
Preferably, two side-wall outer side of described U-type groove are provided with operating block, and making can the slip of operational lock part easily.
Embodiments of the present invention also provide a kind of electric switch equipment comprising above-mentioned locking device, relative to existing electric switch equipment, at installation electric switch equipment of the present invention without the need to additionally increasing installing space, reduce installing space, especially during switch at right angle setting, the space in fitting depth direction.
Accompanying drawing explanation
Hereafter by clearly understandable mode by coming by reference to the accompanying drawings to be further described the above-mentioned characteristic of the present invention, technical characteristic, advantage and execution mode thereof to the explanation of preferred implementation, wherein:
Fig. 1 is the handle of prior art when not locking, the view of lock part;
Fig. 2 be the handle of prior art need locking time, the view of lock part;
Fig. 3 is according to the decomposition texture schematic diagram of the locking device of embodiment of the present invention;
View when Fig. 4 is the locking device locking according to embodiment of the present invention;
Overall structure schematic diagram when Fig. 5 is the locking device locking according to embodiment of the present invention;
Fig. 6 is the structural representation being provided with the handle of boss according to the embodiment of the present invention.
Reference symbol table
1 switch cover
2 handles
3 lock parts
4 grooves
5 openings
6 first holes
7 first is protruding
8 second holes
9 second is protruding
10 boss
11 lock parts
12 locking devices
13 switches
14 lockholes
15 cantilevers
Embodiment
Due to the locking device of existing handle, when locking the handle of switch, lock part is needed to pull out in handle, depth direction when switch at right angle setting needs additional space, and therefore the locking mechanism of existing switchgear can not meet the demand of the miniaturization of partial switch equipment.The embodiment of the present invention provides a kind of locking device, lock part is arranged in handle, and can slide along the handle of handle, when locked without the need to pulling out in handle, only need can realize locking by second of lock part the protruding opening inserted on switch cover, therefore during locking without the need to additional space, save the installing space of switchgear, especially the installing space of depth direction during switch at right angle setting.
Embodiments of the present invention are described in detail below by accompanying drawing.
As shown in Figure 3, the decomposition chart of the locking device provided for embodiment of the present invention.The locking device of embodiments of the present invention comprises:
Switch cover 1, the end face of switch cover 1 is provided with through hole, the sidewall of through hole is provided with opening 5;
Handle 2, handle 2 comprises installation shaft and handle, and installation shaft can be assemblied in the through hole on switch cover 1, and two of handle sidewalls are respectively arranged with groove 4, and groove 4 is distributed on two sidewalls of handle symmetrically;
Lock part 3, lock part 3 comprises a U-type groove, and two inside sidewalls of this U-type groove have at least one first projection 7 respectively, and the end of the close handle through hole of lock part 3 is provided with the second projection 9.During operation, lock part 3 is sleeved on handle below handle, and each first projection 7 is entered in corresponding groove 4 from clamping outside handle, and can slide along groove 4, and the second projection 9 can be inserted in the opening 5 of through-hole side wall.Wherein, the first projection 7 on each sidewall of U-type groove is at least one, can be two particularly.Do not limit the quantity of the first projection 7 in the present invention, its quantity can set arbitrarily as required.
The second projection 9 be arranged on the end of the close handle through hole of lock part 3 can be the bossing extended from the bottom land of U-type groove.When in the second protruding 9 insertion openings 5, lock part 3 and switch cover 1 realize locking, and because the first projection 7 of lock part 3 is connected in the groove 4 of the handle of handle 2, therefore handle 2 can lock onto on switch cover 1 by lock part 3, makes handle 2 not operate.
As shown in Figure 4, for locking according to the locking device of embodiment of the present invention view time.When by lock part along the direction of arrow in Fig. 4, promote along groove 4 towards the direction of installation shaft by lock part 3, can insert in the opening 5 of switch cover through holes by second of lock part 3 protruding 9, to realize the locking of handle 2 switch cover 1 relatively.
Adopt this locking device of the embodiment of the present invention, lock part is arranged between handle and switch, and when needing lock handle, only need along the handle slide lock part of handle, make second of lock part the protruding opening inserting switch cover, the locking of handle relative to switch cover can be realized.Adopt this locking device, fitting depth direction does not need additional space, therefore save the installing space of switchgear, especially the space in switchgear fitting depth direction during switch at right angle setting.
Preferably, above-mentioned locking device also comprises: locking device 12, and the handle of handle 2 is U-shaped handle, two sidewalls of this handle is all provided with the first hole 6, hole 6, first and penetrates handle sidewall, and be symmetrically distributed on two sidewalls of handle.And lock part 3 also comprises the structure of extending from the bottom land of U-type groove, this structure is provided with the cantilever 15 straight with U-type groove dolly, and this cantilever 15 has the second hole 8.When the first projection 7 along groove 4 slide into make the second protruding 9 insertion opening 5 time, two the first holes 6 on handle sidewall and the second hole 8 on cantilever 15 are just in time aimed at, now relative for handle 2 switch cover 1 can be locked with the second hole 8 through these two the first holes 6 by locking device 12, namely handle 2 can not operate.Can more stable for handle 2 be locked onto on switch by locking device 12, handle 2 can not be moved.
As shown in Figure 5, for locking according to the locking device of embodiment of the present invention integrally-built schematic diagram time.Now, locking device 12 is through the first hole 6 and the second hole 8, and can realize being locked on switch 3 by handle 2 and can not moving, namely switchgear can not be operated.
In the above-described embodiment, groove 4 can be parallel to the bottom surface of handle, and such lock part 3 and groove 4 can be combined closely, and saves installing space.
Preferably, when locking device 3 comprises locking device 12, this locking device 3 can also comprise elastic component (not shown), this elastic component is arranged in the installation shaft of handle 2, when in the through hole that installation shaft is assemblied in switch cover 1 and the fixing lower locking switch of locking device 3 at locking device 12 time, elastic component faces second protruding 9 and is extruded by the second protruding 9 elasticity; When to be opened by locking device 12 and for during by latch-release, elastic component can eject openings 5 by second protruding 9, to prevent handle lock by mistake.This elastic component can be spring, shell fragment or other there are flexible parts.
In the above-described embodiment, preferably, the end away from installation shaft of the handle of handle 2, the close all toward each other direction of two sidewall is bending or tilt, can easily from this end, the U-type groove of lock part be snapped into outside handle like this, thus first of lock part 3 the protruding 7 clampings entered in the groove 4 of handle sidewall, and slided in lock part 3 along groove 4.
In the above-described embodiment, preferably, the end away from installation shaft of groove 4 is provided with boss 10, as shown in Figure 6, for being provided with the structure of the handle of boss.Like this when in the groove 4 lock part 3 being installed to handle, can prevent lock part 3 from coming off from groove 4, namely prevent lock part 3 from coming off from handle.
In the above-described embodiment, preferably, two side-wall outer side of the U-type groove of lock part 3 are provided with operating block, to facilitate manual operation lock part 3.This operating block can be the projection of strip bulge or other shape, and quantity also can set arbitrarily as required.
It will be understood by those skilled in the art that above-mentioned execution mode of the present invention can have various modification.Such as: in one embodiment of the present invention, the setting position of opening 5 and the second projection 9 can exchange, that is, can the second projection 9 be set on the lateral wall of the through hole of switch cover 1, and the end of the close handle through hole of lock part 3 is provided with opening 5.Like this, when the first projection 7 of lock part 3 is slided along groove 4 to installation shaft, the second projection 9 on through hole lateral wall can be made just in time to insert in the opening 5 of lock part 3, the same like this cooperation can passing through second protruding 9 and opening 5, realize the mutual locking of lock part 3 and switch cover 1, and by the cooperation of groove 4 and the first projection 7, realize the locking of lock part 3, handle 2 and switch cover 1.
The second projection 9 is provided with on the sidewall of through hole, and when the end of the close handle through hole of lock part 3 is provided with opening 5, can elastic component be provided with in opening 5, when not needing locking, this elastic component can eject opening 5 by second of insertion opening 5 protruding 9, to prevent lock by mistake.In another embodiment of the present invention, the setting position of groove 4 and the first projection 7 can exchange equally, that is, can have at least one first projection 7 respectively in the outside of two of the handle of handle 2 sidewall, and the inner side of two of the U-type groove of lock part 3 sidewalls is all provided with groove 4.During operation, each first projection 7 enters groove corresponding to U-type groove 4 from clamping outside handle, and can slide along groove 4, can realize lock part by the cooperation of groove 4 and the first projection 7 and slide along handle equally like this, and when the second projection 9 being inserted in opening 5, realize the locking between switch cover 1 and handle 2.
Now, boss 10 can be provided with on the end of handle away from installation shaft.Like this when the first protruding 7 clampings of handle are entered in groove corresponding to U-type groove 4, can prevent handle from coming off from groove 4, namely prevent lock part 3 and handle from departing from.
In another embodiment of the present invention, when lock part 3 comprises locking device 12, two sidewalls of handle are all provided with the first hole 6 penetrating described sidewall, now the second hole 8 can be set respectively on two of the U-type groove of lock part 3 sidewall, or the structure that lock part 3 also can be made to comprise extend from the sidewall of U-type groove be provided with the second hole 8 in this structure of extending.When the second protruding 9 insertion opening 5, the first hole 6 and the second hole 8 are just in time aimed at, and now relative for handle 2 switch cover 1 locks with the second hole 8 through the first hole 6 by locking device 12.Like this, the aligning in the second hole 8 on the sidewall of lock part 3 and the first hole 6 on handle sidewall can be passed through, utilize locking device 12 to realize the locking of handle 2 and switch cover 1.Wherein, when lock part 3 comprises the structure of extending from the sidewall of U-type groove, the structure that the sidewall that this structure can only include U-type groove extends, now the second hole 8 is one; Or can comprise the structure all extended from two sidewalls of U-type groove, and the second hole 8 is symmetrically distributed in two structures of extending, now this structure does not comprise the bottom surface that U-type groove has yet.
Embodiments of the present invention also provide a kind of electric switch equipment, and this electric switch equipment comprises above-mentioned locking device, make it possible to reduce the space needed for the installation of this electric switch equipment, especially reduce the space needed for fitting depth direction during switch at right angle setting.
Adopt locking device of the present invention, due to the cooperation of the second protruding and opening, realize the interlocking between lock part and switch cover, and the cooperation of the first projection and groove, therefore can realize lock part, interlocking between handle and switch cover, namely realize the locking of handle relative to switch cover.During such locking, lock part is positioned at handle inner, without the need to the installing space outside occupying volume, can reduce the installing space of electric equipment, especially the space in fitting depth direction during switch at right angle setting.
Above by accompanying drawing and preferred implementation to invention has been detail display and explanation, but the invention is not restricted to these execution modes disclosed, other scheme that those skilled in the art therefrom derive is also within protection scope of the present invention.
Claims (15)
1. a locking device, comprising:
Switch cover (1), its end face is provided with through hole;
Handle (2), it comprises installation shaft and handle, and described installation shaft can be assemblied in described through hole, and two of described handle sidewalls are respectively arranged with groove (4);
Lock part (3), it comprises a U-type groove, two inside sidewalls of described U-type groove have at least one first projection (7) respectively, and the first projection (7) described in each is entered corresponding described groove (4) from the outside clamping of described handle sidewall;
Wherein, the sidewall of the described through hole of described switch cover (1) is provided with opening (5), and the end of the close described through hole of described lock part (3) is provided with the second projection (9); Or the sidewall of the described through hole of described switch cover (1) is provided with the second projection (9), and the end of the close described through hole of described lock part (3) is provided with opening (5);
When described first projection (7) is slided along described groove (4), described second projection (9) can be inserted in described opening (5).
2. locking device as claimed in claim 1, wherein, described locking device also comprises: locking device (12);
Described handle is U-shaped handle, and two of described handle sidewalls are all provided with first hole (6) of the sidewall penetrating described handle, described lock part (3) also comprises the structure of extending from the bottom land of described U-type groove, and this structure is provided with the cantilever (15) vertical with described U-type groove bottom land, described cantilever (15) has the second hole (8)
When described second projection (9) inserts described opening (5), described first hole (6) is aimed at described second hole (8), and relative for described handle (2) described switch cover (1) locks with described second hole (8) through described first hole (6) by described locking device (12).
3. locking device as claimed in claim 1, wherein, described locking device also comprises: locking device (12);
Two sidewalls of described handle are all provided with first hole (6) of the sidewall penetrating described handle, the structure of extending on the sidewall of the described U-type groove of described lock part (3) or at described U-type groove sidewall is provided with the second hole (8)
When described second projection (9) inserts described opening (5), described first hole (6) is aimed at described second hole (8), and relative for described handle (2) described switch cover (1) locks with described second hole (8) through described first hole (6) by described locking device (12).
4. locking device as claimed in claim 2 or claim 3, wherein, described locking device also comprises: elastic component;
Described opening (5) is provided with on the sidewall of the described through hole of described switch cover (1), and the end of the close described through hole of described lock part (3) is when being provided with described second projection (9), described elastic component is positioned at described installation shaft, and described second projection (9) can be ejected described opening (5) by described elastic component;
Described second projection (9) is provided with on the sidewall of the described through hole of described switch cover (1), and the end of the close described through hole of described lock part (3) is when being provided with described opening (5), described elastic component is positioned at described opening (5), and described second projection (9) can be ejected described opening (5) by described elastic component.
5. locking device as claimed any one in claims 1 to 3, wherein, two directions that sidewall is close toward each other of the end away from described installation shaft of described handle are bending or tilt.
6. locking device as claimed any one in claims 1 to 3, wherein, the end away from described installation shaft of described groove (4) is provided with boss (10).
7. locking device as claimed any one in claims 1 to 3, wherein, two side-wall outer side of described U-type groove are provided with operating block.
8. a locking device, comprising:
Switch cover (1), its end face is provided with through hole;
Handle (2), it comprises installation shaft and handle, and described installation shaft can be assemblied in described through hole, and two of described handle sidewalls are respectively provided to few first projection (7);
Lock part (3), it comprises a U-type groove, two inside sidewalls of described U-type groove are respectively arranged with groove (4), and the first projection (7) described in each on described handle is entered corresponding described groove (4) from clamping outside described handle;
Wherein, the sidewall of the described through hole of described switch cover (1) is provided with opening (5), and the end of the close described through hole of described lock part (3) is provided with the second projection (9); Or the sidewall of the described through hole of described switch cover (1) is provided with the second projection (9), and the end of the close described through hole of described lock part (3) is provided with opening (5);
When described first projection (7) is slided along described groove (4), described second projection (9) can be inserted in described opening (5).
9. locking device as claimed in claim 8, wherein, described locking device also comprises: locking device (12);
Described handle is U-shaped handle, and two of described handle sidewalls are all provided with first hole (6) of the sidewall penetrating described handle, described lock part (3) also comprises the structure of extending from the bottom land of described U-type groove, and this structure is provided with the cantilever (15) vertical with described U-type groove bottom land, described cantilever (15) has the second hole (8)
When described second projection (9) inserts described opening (5), described first hole (6) is aimed at described second hole (8), and relative for described handle (2) described switch cover (1) locks with described second hole (8) through described first hole (6) by described locking device (12).
10. locking device as claimed in claim 8, wherein, described locking device also comprises: locking device (12);
Two sidewalls of described handle are all provided with first hole (6) of the sidewall penetrating described handle, the structure of extending on the sidewall of the described U-type groove of described lock part (3) or at described U-type groove sidewall is provided with the second hole (8)
When described second projection (9) inserts described opening (5), described first hole (6) is aimed at described second hole (8), and relative for described handle (2) described switch cover (1) locks with described second hole (8) through described first hole (6) by described locking device (12).
11. locking devices as described in claim 9 or 10, wherein, described locking device also comprises: elastic component;
Described opening (5) is provided with on the sidewall of the described through hole of described switch cover (1), and the end of the close described through hole of described lock part (3) is when being provided with described second projection (9), described elastic component is positioned at described installation shaft, and described second projection (9) can be ejected described opening (5) by described elastic component;
Described second projection (9) is provided with on the sidewall of the described through hole of described switch cover (1), and the end of the close described through hole of described lock part (3) is when being provided with described opening (5), described elastic component is positioned at described opening (5), and described second projection (9) can be ejected described opening (5) by described elastic component.
12. locking devices according to any one of claim 8 to 10, wherein, two directions that sidewall is close toward each other of the end away from described installation shaft of described handle are bending or tilt.
13. locking devices according to any one of claim 8 to 10, wherein, the end away from described installation shaft of described handle is provided with boss (10).
14. locking devices according to any one of claim 8 to 10, wherein, two side-wall outer side of described U-type groove are provided with operating block.
15. 1 kinds of electric switch equipments, comprise the locking device according to any one of claim 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110274482.6A CN103000407B (en) | 2011-09-15 | 2011-09-15 | A kind of locking device and electric switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110274482.6A CN103000407B (en) | 2011-09-15 | 2011-09-15 | A kind of locking device and electric switch equipment |
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| Publication Number | Publication Date |
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| CN103000407A CN103000407A (en) | 2013-03-27 |
| CN103000407B true CN103000407B (en) | 2016-01-13 |
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| CN201110274482.6A Active CN103000407B (en) | 2011-09-15 | 2011-09-15 | A kind of locking device and electric switch equipment |
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| CN104377058A (en) * | 2013-08-14 | 2015-02-25 | 西门子公司 | Locking device and electrical switchgear |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964263A (en) * | 2010-10-22 | 2011-02-02 | 施耐德万高（天津）电气设备有限公司 | Automatic change-over switch with handle locking function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3567699B2 (en) * | 1997-09-30 | 2004-09-22 | 松下電工株式会社 | Piano handle switch |
| JP4058890B2 (en) * | 2000-08-11 | 2008-03-12 | 富士電機機器制御株式会社 | Circuit breaker rotary handle mechanism |
| CN2749035Y (en) * | 2004-12-03 | 2005-12-28 | 上海电器科学研究所（集团）有限公司 | Locking device for rotary handle of circuit breaker |
| JP4678346B2 (en) * | 2006-08-09 | 2011-04-27 | 三菱電機株式会社 | External operation handle of the switch |
| CN201966087U (en) * | 2010-10-29 | 2011-09-07 | 洛克威尔自动控制技术股份有限公司 | Electrical switch locking component |
-
2011
- 2011-09-15 CN CN201110274482.6A patent/CN103000407B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964263A (en) * | 2010-10-22 | 2011-02-02 | 施耐德万高（天津）电气设备有限公司 | Automatic change-over switch with handle locking function |
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| Publication number | Publication date |
|---|---|
| CN103000407A (en) | 2013-03-27 |
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