Utility model content
Interlocking drive mechanism to solve existing switch cabinet drawer takes big volume, complex structure, high cost, needs Jing
The technical problem often keeped in repair, this utility model provide a kind of interlocking device for switchgear drawer and are provided with the fuse of the interlock
Drawer.
This utility model provides a kind of interlocking device for switchgear drawer, and the interlock is installed in switch cabinet drawer,
The outside of switch cabinet drawer is provided with drawer-bottom board, and interlock includes the shell of the inner surface for being fixed on switch cabinet drawer and is located at
The locking member and rotatable parts of inside the shell, is provided with the locking bottom ear of protrusion below locking member, switch cabinet drawer is provided with
The locking bottom outlet of penetrating switch cabinet drawer to drawer-bottom board, locking bottom ear can be inserted in locking bottom outlet;Interlock also includes connecting
Bar, connecting rod through shell, rotatable parts and with switch cabinet drawer in switch gearing, during link rotatable control switch on-off simultaneously
Drive rotatable parts to rotate, when rotatable parts are rotated, drive moving up and down for locking member, make the ear insertion of locking bottom or depart from lock
Determine bottom outlet.
Preferably, the snap that shell is provided through above locking member fixes ear, and snap is fixed and is cased with compressing bullet on ear
Spring, compression spring are against on the outer surface of shell;Lock screw is fixed with locking member, rotatable parts are provided with and can be stuck in lock
Determine the grab on screw, grab drives locking member to move down by lock screw, in making locking bottom ear insertion locking bottom outlet.
Further preferably, rotatable parts are provided with the contact surface contacted with lock screw, and contact surface is to rotatable parts
The distance of rotary shaft is incremented by order along a rotation direction of rotatable parts, and grab is located at the rotary shaft of contact surface and rotatable parts
The most short one end of distance.Further preferably, the contact surface of rotatable parts conciliates interlocking by contact plane, transition face is locked
Tactile plane is connected in sequence, lock the distance between rotary shaft of contact plane and rotatable parts less than unblock contact plane with
The distance between rotary shaft of rotatable parts.
Preferably, the limiting platform for stretching out is provided with the middle part of locking member, shell is provided with limit opening, spacing flat
Platform extend out to the outside of shell from limit opening, and limiting platform can be contacted with the upper edge of limit opening.
Preferably, shell is provided with least one pilot hole, and locking member is provided with and is oriented to hole number identical guiding
Raised line, the bearing of trend for being oriented to raised line are identical with the moving direction of locking member, are oriented to raised line and correspond with pilot hole, are oriented to
Raised line passes through corresponding pilot hole and slides in the pilot hole.
Preferably, shell includes the housing main body and the lock covered on housing main body with the inner surface fixation of switch cabinet drawer
Cap, it is hollow setting that housing main body is located at the one side below locking member, and the lower surface of housing main body is provided with turning over of outwards routing up
Side, the inner surface of flange and switch cabinet drawer are fixed.
Preferably, connecting rod extend out to the outside of switch cabinet drawer, and connecting rod is located at the end of the outside of switch cabinet drawer and installs
There is handle.
Preferably, the section of connecting rod is square, and rotatable parts are provided with the square mating holes coordinated with connecting rod, and shell is provided with confession
The circular vias that connecting rod is passed through, the inner peripheral surface of circular vias are the circumscribed circle of connecting rod.
This utility model additionally provides a kind of fuse drawer, and fuse is placed with fuse drawer, and fuse is provided with
Fuse switch, is provided with above-mentioned interlocking device for switchgear drawer in the fuse drawer, controls fuse and open during link rotatable
The break-make of pass.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can combination in any, obtain final product this utility model respectively compared with
Good example.
Positive effect of the present utility model is:
The interlocking device for switchgear drawer and the fuse drawer of the interlock is provided with, interlock structure is simple, accounts for
With less drawer space, relatively low cost is used, meeting that the safe and reliable, suitability is wide, easily operated etc. will
Ask.
Specific embodiment
This utility model is further illustrated below by the mode of embodiment, but therefore this utility model is not limited in
Among described scope of embodiments.
As shown in Figures 1 to 10, this utility model provides a kind of interlocking device for switchgear drawer, and interlock 1 is installed on
In switch cabinet drawer 2, the outside of switch cabinet drawer 2 is provided with drawer-bottom board;Interlock 1 includes being fixed on switch cabinet drawer 2
The shell 11 of inner surface and locking member 12 and rotatable parts 13 in shell 11, the lower section of locking member 12 is provided with protrusion
Locking bottom ear 121, switch cabinet drawer 2 is provided with the locking bottom outlet 3 of penetrating switch cabinet drawer 2 to drawer-bottom board, locks bottom ear
121 can insert in locking bottom outlet 3;Interlock 1 also include connecting rod 14, connecting rod 14 through shell 11, rotatable parts 13 and with open
The switch 21 closed in cabinet drawer 2 links, and the break-make of controlling switch 21 drives rotatable parts 13 to rotate, rotate when connecting rod 14 is rotated
Moving up and down for locking member 12 is driven when part 13 is rotated, makes locking bottom ear 121 insert or depart from locking bottom outlet 3.
As shown in figure 3, after connecting rod 14 is rotated, tight lock part can be driven by rotatable parts 13 while coupling cock 21
Part 12 is moved down, and in making the insertion locking bottom outlet 3 of locking bottom ear 121, such switch cabinet drawer 2 is in the lock state, it is impossible to beat
Open, Simultaneous Switching 21 is in connected state;As shown in figure 4, rotating backward connecting rod 14 again, disconnect switch 21, while passing through
Rotatable parts 13 drive locking member 12 to move up, and locking bottom ear 121 is departed from locking bottom outlet 3, such switch cabinet drawer 2
In released state, can open, Simultaneous Switching 21 is off.
Realize a kind of specific structure of above-mentioned technical proposal as shown in Figures 3 to 10, the top of locking member 12 is provided with
Snap through shell 11 fixes ear 123, and snap to be fixed and be cased with compression spring 15 on ear 123, and compression spring 15 is against shell 11
Outer surface on;Lock screw 16 is fixed with locking member 12, rotatable parts 13 are provided with and can be stuck in lock screw 16
Grab 132, grab 132 drive locking member 12 to move down by lock screw 16, make the insertion locking bottom outlet of locking bottom ear 121
In 3.
Compression spring 15 provides power upwards all the time to locking member 12, is not subject to other active forces in locking member 12
When, locking member 12 above can be carried, make locking bottom ear 121 depart from locking bottom outlet 3, make interlock 1 be in released state;When
When grab 132 is snapped in lock screw 16, grab 132 drives locking member 12 to move down by lock screw 16, makes locking
In the insertion locking bottom outlet 3 of bottom ear 121, interlock 1 is in the lock state.Grab 132 is stuck in lock screw 16, is also prevented from
Connecting rod 14 is further to be rotated, and effectively prevent inordinate rotation connecting rod 14 and part of damage.
As shown in figure 9, lock screw 16 has close helicitic texture, its fastening ability can be effectively improved and the longevity is used
Life.As shown in figure 5, locking member 12 is provided with the lock screw hole 126 for installing lock screw 16, and the correspondence of shell 11 locks spiral shell
The position of silk 16 is provided with lock screw via 118, and lock screw via 118 can conveniently install lock screw 16 and observation locking spiral shell
The state of silk 16.
As shown in Figure 3 to Figure 4, rotatable parts 13 are provided with the contact surface 131 contacted with lock screw 16, contact surface 131
Distance to the rotary shaft of rotatable parts 13 is incremented by order along a rotation direction of rotatable parts 13, and grab 132 is located at contact
The one end most short with the distance of the rotary shaft of rotatable parts 13 of face 131.Contact surface 131 plays auxiliary locking member 12 and moves up and down
Effect, when locking member 12 is located at bottom, the one end most short with the distance of the rotary shaft of rotatable parts 13 of contact surface 131
Contact with lock screw 16, and locking member 12 be when being located at the top, contact surface 131 and the rotary shaft of rotatable parts 13 away from
Contact with lock screw 16 from most long one end.During locking member 12 is moved to the top from bottom, contact
Play a part of secondary lever locking member 12 in face 131.
A kind of concrete shape of contact surface 131 is as shown in fig. 6, the contact surface 131 of rotatable parts 13 is by locking contact plane
134th, transition face 135 and unblock contact plane 136 are connected in sequence, and lock the rotation of contact plane 134 and rotatable parts 13
The distance between axle is less than the distance between rotary shaft for unlocking contact plane 136 and rotatable parts 13.In locking member 12
When the top, i.e. released state, unblock contact plane 136 is contacted with lock screw 16, because unblock contact plane 136 is
One plane, it is ensured that the stability of the contact point of unblock contact plane 136 and lock screw 16.In the same manner, locking member 12
When bottom, i.e. lock-out state, locking contact plane 134 is contacted with lock screw 16, because locking contact plane 134 is
One plane, it is ensured that the stability of the contact point of locking contact plane 134 and lock screw 16.
In order to limit the extreme position of 12 the top of locking member, it is to avoid inordinate rotation connecting rod 14, part is effectively prevented
Damage.As shown in Figure 3 to Figure 4, the middle part of locking member 12 is provided with the limiting platform 122 for stretching out, and shell 11 is provided with limit
Position opening 111, limiting platform 122 extend out to the outside of shell 11,122 energy of limiting platform and limit opening from limit opening 111
111 upper edge 112 contacts.When limiting platform 122 is contacted with the upper edge 112 of limit opening 111, locking member 12 is not
Can move up again, connecting rod 14 can not be rotated, now, as compression spring 15 also provides power upwards to locking member 12,
Locking member 12 can be held against the upper edge 112 of limit opening 111 in the presence of not having external force.
As shown in Figure 3 to Figure 4, shell 11 is provided with least one pilot hole 113, and locking member 12 is provided with and pilot hole
113 quantity identicals are oriented to raised line 124, and the bearing of trend for being oriented to raised line 124 is identical with the moving direction of locking member 12, are oriented to
Raised line 124 is corresponded with pilot hole 113, is oriented to raised line 124 and is passed through corresponding pilot hole 113 and slide in the pilot hole 113
It is dynamic.It is oriented to raised line 124 and plays a part of guiding, locking member 12 is moved according to set moving direction, prevent locking member
12 shift in moving process.
As shown in Fig. 3 to Fig. 4, Fig. 7 to Fig. 8, shell 11 includes the housing main body that the inner surface with switch cabinet drawer 2 is fixed
114 are located at the one side below locking member 12 and set for hollow with the lock nut 115 covered on housing main body 114, housing main body 114
Put, the lower surface of housing main body 114 is provided with the flange 116 outwards routed up, the inner surface of flange 116 and switch cabinet drawer 2 is fixed.
It is hollow setting that housing main body 114 is located at the one side below locking member 12, makes locking bottom ear 121 directly through opening
Cabinet drawer 2 is closed to drawer-bottom board, coordinates simple, it is easy for installation.
The flange 116 of housing main body 114 is provided with fixing hole 119, and flange 116 is by fixing hole 119 and switch cabinet drawer 2
Inner surface is mutually fixed.
Lock nut 115 is provided with fixes the snap fixing hole 1110 that ear 123 is passed through for snap, and pilot hole 113 is also disposed at
On lock nut 115, lock nut 115 is covered on housing main body 114, passes through multiple fixing rivets 18 between lock nut 115 and housing main body 114
It is fixedly connected.Fixing rivet 18, as shown in Figure 10, size is short and small, without protrusion after installation.
As shown in Figure 1 to Figure 2, connecting rod 14 extend out to the outside of switch cabinet drawer 2, and connecting rod 14 is located at switch cabinet drawer 2
Outside end is provided with handle 17.Operator pass through handle 17, it is convenient to which drivening rod 14 is rotated.
As shown in Figures 1 to 8, the section of connecting rod 14 is square, and rotatable parts 13 are provided with square the matching somebody with somebody with the cooperation of connecting rod 14
Hole 133 is closed, shell 11 is provided with the circular vias 117 passed through for connecting rod 14, and the inner peripheral surface of circular vias 117 is the external of connecting rod 14
Circle.As the section of connecting rod 14 is for square, and rotatable parts 13 are provided with square mating holes 133, and connecting rod 14 can drive when rotating and turn
Dynamic component 13 is rotated;And the circular vias 117 of shell 11 can ensure that connecting rod 14 is rotated about axis, will not shift.Such as Fig. 5 institutes
Show, the connecting rod via 125 also passed through for connecting rod 14 on locking member 12.
As shown in figure 3, when the handle 17 that turns clockwise, rotatable parts 13 snap into lock with 17 rotating Vortex of handle, grab 132
Determine on screw 16, grab 132 drives locking member 12 to move down by lock screw 16, make locking bottom ear 121 insert locking
In bottom outlet 3, switch cabinet drawer 2 is lockable, it is impossible to extract out, and now switch 21 is in connected state.Simultaneously, grab 132 blocks
In lock screw 16, prevent handle 17 is further continued for rotation, is effectively prevented due to excessive rotary handle 17 and damages zero
Part.
As shown in figure 4, and then rotate counterclockwise handle 17, connecting rod 14 drive rotatable parts 13 rotate, due to compression spring
15 pairs of locking members 12 play the role of upwards, and locking member 12 is moving upward, and the guiding raised line 124 of locking member 12 is worn
The pilot hole 113 crossed on lock nut 115, being oriented to raised line 124 can be such that locking member 12 does not offset.When limiting platform 122 is affixed on limit
During the upper edge 112 of position opening 111, handle 17 cannot be further continued for rotation, and locking bottom ear 121 departs from from locking bottom outlet 3, switch
Cabinet drawer 2 is also unlocked, and switch cabinet drawer 2 can be extracted out, and is switched 21 and be exactly in off-state.Now, compression spring 15
Compressed, compression spring 15 is provided with a power upwards all the time to locking member 12 so that the limiting platform 122 of locking member 12
Remain the state of the upper edge 112 for being close to limit opening 111.
Using this utility model provide interlocking device for switchgear drawer, with small volume, good looking appearance, simple structure,
The characteristics of with low cost and reliability is high, realizes mechanically and electrically being mutually connected between airway dysfunction in equipment by set of device
Lock, is applicable not only to various switchgears, and meets safe and reliable, easily operated, with low cost etc. requirement.
As shown in Figure 1 to Figure 2, this utility model also provides a kind of 2 ' of fuse drawer, is placed with 2 ' of fuse drawer
Fuse, fuse are provided with 21 ' of fuse switch, and above-mentioned interlocking device for switchgear drawer is provided with 2 ' of fuse drawer, even
The break-make of 21 ' of fuse switch is controlled when bar 14 is rotated.
This utility model interlocking device for switchgear drawer, can be used not only for the electromechanical interlock of general chopper and carries prolonging
All kinds of fuse switch of handle apparatus are stretched, and can be used cooperatively with all kinds of drawers, can be entered according to special case in drawer
Row adaptability is installed.
In sum, this utility model interlocking device for switchgear drawer and the fuse drawer of the interlock is provided with, should
The characteristics of interlock has small volume, good looking appearance, simple structure, with low cost and high reliability, by set of device reality
Mechanically and electrically the reciprocal interlocking between airway dysfunction in equipment is showed, has been applicable not only to various switchgears, and meets safety
It is reliable, easy to operation, with low cost etc. to require.
This utility model is not limited to above-mentioned embodiment, no matter making any change in its shape or structure, all falls within
Within protection domain of the present utility model.Protection domain of the present utility model is defined by the appended claims.This area
Technical staff on the premise of without departing substantially from principle of the present utility model and essence, various changes can be made to these embodiments
More or modification, but these change and modification each fall within protection domain of the present utility model.