CN204067933U - The door-opening mechanism of electric box - Google Patents
The door-opening mechanism of electric box Download PDFInfo
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- CN204067933U CN204067933U CN201420516187.6U CN201420516187U CN204067933U CN 204067933 U CN204067933 U CN 204067933U CN 201420516187 U CN201420516187 U CN 201420516187U CN 204067933 U CN204067933 U CN 204067933U
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- door
- posting
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- pull bar
- electric box
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Abstract
The utility model provides a kind of door-opening mechanism of electric box, belongs to field of mechanical technique.It solve the problem of existing electric box key-placing inconvenience.The door-opening mechanism of this electric box comprises casing and chamber door, the sidepiece of above-mentioned casing is openend, described chamber door edge is hinged on casing edge and around its hinged place, swing can make above-mentioned casing opening and closing when chamber door, there is inside the openend of described casing the posting one protruded in frame-like, described chamber door sidepiece is fixed with the posting two protruded in frame-like, posting two outer above-mentioned when chamber door closes at box opening end place is embedded in edge in posting one and posting two part stretches out posting one, has elasticity block tongue mechanism in described posting two.Do not need by key during the door-opening mechanism opening and closing chamber door of this electric box, avoid the problem how key is preserved safely.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of electric box, particularly a kind of door-opening mechanism of electric box.
Background technology
Electric box is assembled in closed or semiclosed metal safe by electrical wiring requirement by switchgear, measuring instrument, protective device and auxiliary equipment; in order to overhaul, to facilitate electric box to generally include an inside be the casing of cavity, and casing is connected with can by the chamber door of its opening and closing.
Can connect or point deenergizing by manual or automatic switch during normal operation.Circuit or warning is cut off by protective device when fault or irregular operating.Operating various parameter can be shown by means of measuring instrument, also can adjust some electric parameter, point out departing from normal operating conditions or send signal.
In order to avoid other personnel carry out inappropriate operation, between chamber door and casing, there is lockset.But if when electric box quantity is too much, operating personnel need to carry a lot of key, adopt this key to be opened by the electric box of correspondence.Obviously, be so just present in effort when electric box is taken care of and opened to key how and search the problem of corresponding key.
Its publication number of Chinese patent CN203481742U provides " a kind of electric box ", it comprises electric box main body, junction box, external cable and gland head, the sidewall of described electric box main body is provided with junction box, described junction box inside communicates with electric box body interior, the top of described junction box is provided with multiple cable-through hole, described external cable is through cable-through hole, and described external cable is provided with gland head through the position of cable-through hole, and the sidewall of described electric box main body has multiple circular hole; Described junction box inside is communicated with electric box body interior by circular hole; Binding post is provided with in described circular hole; Described external cable is connected with the outside wiring point of binding post with gland head through cable-through hole; Electric component connecting line in described electric box main body is connected with the inner side wiring point of binding post.
Above-mentioned patent hurts the precise part in electric box main body and leaves over some when reducing patching operations have the foreign material of electrical hazard in the possibility of electric box body interior.
But the opening and closing electric box about how, does not disclose its concrete technical scheme in above-mentioned patent.That is, it still adopts common lockset to carry out sealed to chamber door and casing.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, provides a kind of concealed door-opening mechanism opening the electric box of chamber door.
The purpose of this utility model realizes by following technical proposal: a kind of door-opening mechanism of electric box, electric box comprises casing and chamber door, the sidepiece of above-mentioned casing is openend, described chamber door edge is hinged on casing edge and around its hinged place, swing can make above-mentioned casing opening and closing when chamber door, it is characterized in that, there is inside the openend of described casing the posting one protruded in frame-like, described chamber door sidepiece is fixed with the posting two protruded in frame-like, posting two outer above-mentioned when chamber door closes at box opening end place is embedded in edge in posting one and posting two part stretches out posting one, there is in described posting two elasticity block tongue mechanism, described elasticity block tongue mechanism stretches out posting two in the elastic reaction lower part of self and is resisted against inside posting one, have in described casing and can promote block tongue mechanism and the door-opening mechanism made in its retraction posting two, described casing sidepiece has the connecting axle be axially connected thereon, connecting axle outer end to be positioned at outside casing and to have the connecting portion for being connected with instrument thereon, connecting axle the inner is positioned at casing and connecting axle the inner is connected with above-mentioned door-opening mechanism, described chamber door has the lockset inserted for key, described door-opening mechanism comprises gear, pull bar one, pull bar two, tooth bar and guide pad, said gear is connected in connecting axle the inner, above-mentioned guide pad is connected in box inside and its quantity is at least two, the quantity of above-mentioned tooth bar is two, wherein a toothed rack is connected on pull bar one, another tooth bar is connected on pull bar two, described pull bar one to be connected on the guide pad corresponding with it and can along this guide pad upper and lower translation, described pull bar two to be connected on the guide pad corresponding with it and can along this guide pad upper and lower translation, rack and pinion engagement on described pull bar one, rack and pinion engagement on described pull bar two.
Chamber door is closed in after on casing, and posting two outer is embedded in edge in posting one, by elasticity block tongue mechanism, posting two and posting one is linked together.Due to elasticity block tongue, mechanism stretches out posting two all the time under its own resilient effect, therefore, chamber door close after elasticity block tongue again effect under this electric box be keep closed condition all the time.
When needing to open electric box, instrument is inserted the connecting portion place at connecting axle outer end place, tool belt is dynamically connected in axle rotation process and makes block tongue mechanism retraction posting two by door-opening mechanism, now, posting two can be departed from by posting one smoothly, thus chamber door is opened.
Posting one also serves the effect preventing from being entered by impurity band in folding chamber door process in casing.Certainly, once after chamber door opens, operator just can easily safeguard electric box.The lockset be positioned on chamber door just covers up effect, and it does not play the effect of opening chamber door.Certainly, the outer end of connecting axle arranges more hidden.
Like this, other personnel would not succeed when will carry out malicious operation to electric box.
In the door-opening mechanism of above-mentioned electric box, described elasticity block tongue mechanism comprises block tongue, spring and posting two positioning chamber recessed bottom outer, described block tongue and spring are all positioned at positioning chamber place, the two ends of spring are pushed up bottom pressure positioning chamber and block tongue the inner respectively, and under the elastic force effect of spring, posting two is stretched out in block tongue outer end.
Under the elastic force effect of spring, posting two is stretched out in block tongue outer end, thus is connected to inside posting one by the outer end of block tongue.
In the door-opening mechanism of above-mentioned electric box, the quantity of described elasticity block tongue mechanism is two and lays respectively at the upper and lower of posting two.
Posting two and stable being connected together of posting one can be made by Liang Ge block tongue mechanism.
In the door-opening mechanism of above-mentioned electric box, described elasticity block tongue mechanism is positioned at posting two place away from chamber door hinged place.
The block tongue mechanism being positioned at this side can be stable be connected on posting one.
In the door-opening mechanism of above-mentioned electric box, described positioning chamber port has the gear edge of protrusion, and described block tongue sidepiece has the shoulder block of protrusion, and under the elastic force effect of above-mentioned spring, shoulder block is resisted against gear along place.
Gear can be placed block tongue come off along with coordinating of shoulder block by positioning chamber.
In the door-opening mechanism of above-mentioned electric box, described block tongue the inner is prism-shaped, described positioning chamber and the inner mating shapes of block tongue.
Block tongue in prism-shaped coordinates with positioning chamber can be made block tongue move up and down in process can not to rotate.
In the door-opening mechanism of above-mentioned electric box, described block tongue outer end has the spigot surface of inclination, and spigot surface is towards box inside.
The structure of block tongue the inner ensure that the spigot surface of block tongue outer end is all the time towards box inside, finally ensure that block tongue stable can be connected to posting one place.
In the door-opening mechanism of above-mentioned electric box, posting one inside edge has the lingual surface excessively of inclination, and the spigot surface of the block tongue above-mentioned when chamber door is closed can slip over by crossing lingual surface.
The spigot surface of block tongue can slip over by crossing lingual surface smoothly.
In the door-opening mechanism of above-mentioned electric box, described posting one comprises in the framework one in direct rod shape and the framework two taken the shape of the letter U, and above-mentioned framework one and framework two head and the tail are connected and are formed is the posting one of square frame shape.
The posting one of this structure is easy to loading and unloading.Certainly, posting two is also similar structure, does not repeat them here.
In the door-opening mechanism of above-mentioned electric box, have contiguous block between the end of described framework one and the end of framework two, above-mentioned lingual surface of crossing is positioned at contiguous block place.
Contiguous block is high-abrasive material, and it can improve useful life.The contiguous block that long-time use is worn and torn afterwards can be changed separately, reduces the use cost of this electric box.
In the door-opening mechanism of above-mentioned electric box, the two ends of described contiguous block have the connector protruded in prism-shaped, and described framework one and framework two end have the link slot matched with connector.
Because connector is non-circular, therefore, what the link slot mated with connector and connector just can make contiguous block stable after being connected is connected in framework one and framework two.
In the door-opening mechanism of above-mentioned electric box, outside described contiguous block, be fixed with overcoat.
Due in opening and closing chamber door process, block tongue can be slipped over by contiguous block frequently, therefore, can be reduced the wearing and tearing of contiguous block by overcoat as far as possible.
In the door-opening mechanism of above-mentioned electric box, described overcoat comprises rubber inner layer and metal outer, and the inner side of above-mentioned rubber inner layer is connected in contiguous block sidepiece by glue, and the inner side of above-mentioned metal outer is connected in outside rubber inner layer by glue.
Rubber inner layer is owing to being flexible, and therefore, it can play the effect of damping.Metal outer is high-abrasive material, can effectively reduce wear.
In the door-opening mechanism of above-mentioned electric box, the upper and lower of described contiguous block has a recessed groove respectively, the two ends of above-mentioned metal outer all have and the having contact with of above-mentioned groove match, and above-mentioned having contact with is embedded in corresponding groove and the end of rubber inner layer is pressed on and has contact with between groove.
Such structure can not only make metal outer firmly be connected on contiguous block, and rubber inner layer can also be firmly pressed between contiguous block and metal outer.
In the door-opening mechanism of above-mentioned electric box, described door-opening mechanism comprises gear, pull bar one, pull bar two, tooth bar and guide pad, said gear is connected in connecting axle the inner, above-mentioned guide pad is connected in box inside and its quantity is at least two, the quantity of above-mentioned tooth bar is two, wherein a toothed rack is connected on pull bar one, another tooth bar is connected on pull bar two, described pull bar one to be connected on the guide pad corresponding with it and can along this guide pad upper and lower translation, described pull bar two to be connected on the guide pad corresponding with it and can along this guide pad upper and lower translation, rack and pinion engagement on described pull bar one, rack and pinion engagement on described pull bar two.
In connecting axle rotation process, driven gear rotates, drive in pinion rotation process be engaged on its both sides two tooth bars respectively on move and move down.Because two tooth bars are connected on the pull bar one corresponding with it and pull bar two respectively, final drive pull bar one and pull bar two oppositely translation.
Certainly, pull bar one and pull bar two issue life in the guide effect of guide pad to move.When after pull bar one and pull bar two oppositely translation, the block tongue in Ding Ya block tongue mechanism makes two block tongues all in retraction posting two.Once after in block tongue retraction posting two, chamber door just can be opened.
In the door-opening mechanism of above-mentioned electric box, described pull bar one end has the drag hook one of protrusion, and described pull bar two end has the drag hook two of protrusion.
Drag hook one and drag hook two are close to the block tongue corresponding with it respectively, pull corresponding block tongue, and make in this block tongue retraction posting two after above-mentioned pull bar one moves by drag hook one.Pull corresponding block tongue by drag hook two after pull bar two moves, and make in this block tongue retraction posting two
In the door-opening mechanism of above-mentioned electric box, described pull bar one is in direct rod shape and described drag hook one is positioned at pull bar one upper end, described pull bar two comprises bar section one, bar section two and bar section three in direct rod shape, above-mentioned tooth bar is connected in bar section one, tooth bar on described bar section one and pull bar one is engaged in the both sides of gear respectively and bar Duan Yiyu pull bar one parallels, the axis of above-mentioned bar section three and pull bar one dead in line, the two ends of bar section two are connected in bar section one and bar section three, and above-mentioned drag hook two is positioned at bar section three end.
Line between two block tongues and between drag hook one and drag hook two between line coincide.Such structure can make two block tongues stable pushed and in retraction posting two.
In the door-opening mechanism of above-mentioned electric box, also there is dividing plate in described casing, the both sides of above-mentioned guide pad are connected in dividing plate and box inside respectively, an operating cavity is formed between dividing plate and box inside, above-mentioned pull bar one and pull bar two are all positioned at operating cavity, described dividing plate is close to its upper and lower place and has a spacing hole run through respectively, and above-mentioned drag hook one is positioned at one of them spacing hole place, and above-mentioned drag hook two is positioned at the another one spacing hole place corresponding with it.
The operating cavity of the formation between dividing plate and box inside is for installing above-mentioned guide, pull bar one and pull bar two, such structure can not cause box inner structure complicated, the space making box house keep clean and tidy, the electricity piece being convenient to other is arranged in casing easily.
Spacing hole has two effects: one, confession drag hook one and drag hook two stretch out, and stable the contacting with block tongue of energy; Two, spacing to the shift motion of drag hook one and drag hook two.
In the door-opening mechanism of above-mentioned electric box, the sidepiece of described gear is fixed with guide vane end stop, is fixed with positive stop strip in described casing, has back-moving spring and above-mentioned guide vane end stop is resisted against on positive stop strip under the elastic force effect of back-moving spring between described gear and positive stop strip.
Such structure can make door-opening mechanism keep initial condition, namely remains the locking states that block tongue stretches out.
In the door-opening mechanism of above-mentioned electric box, battery, loudspeaker and normal open switch is fixed with in described casing, above-mentioned normal open switch and lockset are connected and when the normal open switch that lockset action is above-mentioned can close, above-mentioned battery, loudspeaker and normal open switch are connected to form a circuit loop by wire.
During other personnel's malicious operation, after lockset action, normal open switch is closed.Now, loudspeaker energising is sounded warning.
In the door-opening mechanism of above-mentioned electric box, described casing sidepiece has recessed gathering sill, and described gathering sill place is connected with can along the baffle plate of its translation, and the outer end of above-mentioned connecting axle is positioned at gathering sill place and connecting axle outer end is blocked by baffle plate.
Gathering sill leads to baffle plate, and connecting axle outer end can avoid other personnel to find connecting axle after being blocked by baffle plate.
In the door-opening mechanism of above-mentioned electric box, mutually concordant with outside casing outside described baffle plate, described baffle plate front end is close to upper box open end, and described baffle plate rear end is close to casing back.
This structure can make box shape compact, and the existence of baffle plate not easily occurs.Profile feels baffle plate just by the casing that some plate bodys are assembled to people.
In the door-opening mechanism of above-mentioned electric box, middle part inside described baffle plate has the storage part of protrusion, have recessed storage hole along on the above-mentioned storage part of moving direction of baffle plate, one embeds the rod tool that connecting axle can make connecting axle rotate after connecting portion and is positioned at storage hole place.
Rod tool can make instrument be connected to easily inside baffle plate after inserting storage hole.Baffle plate plays the effect of depositing instrument.
In the door-opening mechanism of above-mentioned electric box, described storage hole is blind hole, and above-mentioned instrument the inner is positioned at storage hole, and above-mentioned instrument outer end is stretched out storage hole and is positioned at inside baffle plate.
This structure can make baffle plate rod tool mounted thereto be blocked safely, even if after baffle plate is opened, do not go to check inside baffle plate be also the existence can not knowing rod tool.That is, other personnel still can not open this electric box.
Compared with prior art, the door-opening mechanism of this electric box just covers up effect due to the lockset be positioned on chamber door, and opening chamber door needs first to push baffle plate open, then rod tool is rotationally connected axle again by baffle plate is pulled down.Obviously, the personnel that other malice opens electric box can not expect that lockset is not used to open electric box in fact, and they only to how opening electric box can try every possible means.Thus effectively ensure that this electric box can not maliciously be opened.
Meanwhile, the connection portion of connecting axle is hidden by baffle plate, and the rod tool of unlatching is also hidden in inside baffle plate by baffle plate simultaneously.Can find out, it hidden effective, common personnel cannot associate the correct open method of this electric box.
In addition, because instrument is stored on baffle plate, also solve the problem of how storing tools like this, there is very high practical value.
Accompanying drawing explanation
Structural representation when Fig. 1 is the door-opening mechanism closedown of this electric box.
Structural representation when Fig. 2 is the door-opening mechanism unlatching of this electric box.
Fig. 3 is the sectional structure schematic diagram of posting two in the door-opening mechanism of this electric box.
Sectional structure schematic diagram when Fig. 4 is the door-opening mechanism closedown of this electric box.
Fig. 5 is the structural representation of opening structure in the door-opening mechanism of this electric box.
Sectional structure schematic diagram when Fig. 6 is the door-opening mechanism closedown of this electric box.
Fig. 7 is the structural representation at the structural formula place of pull bar one and pull bar two and gears meshing in the door-opening mechanism of this electric box.
Fig. 8 is the sectional structure schematic diagram at the door-opening mechanism middle gear place of this electric box.
Fig. 9 is the structural representation at baffle plate place in the door-opening mechanism of this electric box.
Figure 10 is the broken section structural representation of baffle plate in the door-opening mechanism of this electric box.
Figure 11 is the broken section structural representation of baffle plate other direction in the door-opening mechanism of this electric box.
Figure 12 is the sectional structure schematic diagram of contiguous block in the door-opening mechanism of this electric box.
In figure, 1, casing; 1a, openend; 1b, gathering sill; 1c, positive stop strip; 2, chamber door; 3, posting one; 3a, framework one; 3b, framework two; 3c, link slot; 4, posting two; 4a, positioning chamber; 4a1, gear edge; 5, connecting axle; 5a, connecting portion; 6, lockset; 7, block tongue; 7a, shoulder block; 7b, spigot surface; 8, spring; 9, contiguous block; 9a, excessively lingual surface; 9b, connector; 9c, groove; 10, rubber inner layer; 11, metal outer; 11a, to have contact with; 12, gear; 12a, guide vane end stop; 13, tooth bar; 14, pull bar one; 14a, drag hook one; 15, pull bar two; 15a, drag hook two; 15b, bar section one; 15c, bar section two; 15d, bar section three; 16, guide pad; 17, dividing plate; 17a, spacing hole; 18, baffle plate; 18a, storage part; 18b, storage hole; 19, back-moving spring; 20, instrument.
Embodiment
As shown in Figure 1 with shown in Fig. 2, the door-opening mechanism of this electric box comprises casing 1 and chamber door 2, and the sidepiece of casing 1 is openend 1a, and chamber door 2 edge is hinged on casing 1 edge and around its hinged place, swing can make the opening and closing of above-mentioned casing 1 when chamber door 2.
There is inside the openend 1a of casing 1 posting 1 protruded in frame-like, described chamber door 2 sidepiece is fixed with the posting 24 protruded in frame-like, and when chamber door 2 closes at casing 1 openend 1a place, above-mentioned posting 24 outer to be embedded in posting 1 edge and posting 24 part stretches out posting 1.
As shown in Figure 4 and Figure 5, there is in posting 24 elasticity block tongue mechanism, elasticity block tongue mechanism stretches out posting 24 in the elastic reaction lower part of self and is resisted against inside posting 1, have in described casing 1 and can promote block tongue mechanism and the door-opening mechanism made in its retraction posting 24, described casing 1 sidepiece has the connecting axle 5 be axially connected thereon, connecting axle 5 outer end to be positioned at outside casing 1 and to have the connecting portion 5 for being connected with instrument 20 thereon, connecting axle 5 the inner is positioned at casing 1 and connecting axle 5 the inner is connected with above-mentioned door-opening mechanism, described chamber door 2 has the lockset 6 inserted for key.
As shown in Figure 7, elasticity block tongue mechanism comprises positioning chamber 4a recessed bottom block tongue 7, spring 8 and posting 24 outer, described block tongue 7 and spring 8 are all positioned at positioning chamber 4a place, the two ends of spring 8 are pushed up bottom pressure positioning chamber 4a and block tongue 7 the inner respectively, and under the elastic force effect of spring 8, posting 24 is stretched out in block tongue 7 outer end.In the present embodiment, the quantity of elasticity block tongue mechanism is two and lays respectively at the upper and lower of posting 24.
Elasticity block tongue mechanism is positioned at posting 24 place away from chamber door 2 hinged place.
Positioning chamber 4a port has the gear of protrusion along 4a1, and block tongue 7 sidepiece has the shoulder block 7a of protrusion, and under the elastic force effect of above-mentioned spring 8, shoulder block 7a is resisted against gear along 4a1 place.Block tongue 7 the inner is prism-shaped, described positioning chamber 4a and the inner mating shapes of block tongue 7.
Block tongue 7 outer end has the spigot surface 7b of inclination, and spigot surface 7b is inside casing 1.Posting 1 inside edge has the lingual surface 9a excessively of inclination, and the spigot surface 7b of the block tongue 7 above-mentioned when chamber door 2 is closed can slip over by crossing lingual surface 9a.
As shown in Figure 3, framework two 3b that posting 1 comprises framework one 3a in direct rod shape and takes the shape of the letter U, above-mentioned framework one 3a and framework two 3b head and the tail are connected, and to be formed be the posting 1 of square frame shape.Have contiguous block 9 between the end of framework one 3a and the end of framework two 3b, the above-mentioned lingual surface 9a that crosses is positioned at contiguous block 9 place.
In the present embodiment, the two ends of contiguous block 9 have the connector 9b protruded in prism-shaped, and framework one 3a and framework two 3b end have the link slot 3c matched with connector 9b.
As shown in figure 12, outer 9 sides of contiguous block are fixed with overcoat.Overcoat comprises rubber inner layer 10 and metal outer 10, and the inner side of above-mentioned rubber inner layer 10 is connected in contiguous block 9 sidepiece by glue, and the inner side of above-mentioned metal outer 11 is connected in outside rubber inner layer 10 by glue.
The upper and lower of contiguous block 9 has a recessed groove 9c respectively, the two ends of metal outer 11 all have match with above-mentioned groove 9c have contact with 11a, the above-mentioned 11a of having contact with is embedded in corresponding groove 9c and the end of rubber inner layer 10 and is pressed on and has contact with between 11a and groove 9c.
Door-opening mechanism comprises gear 12, pull bar 1, pull bar 2 15, tooth bar 13 and guide pad 16, it is inner that said gear 12 is connected in connecting axle 5, above-mentioned guide pad 16 is connected in inside casing 1 and its quantity is at least two, the quantity of above-mentioned tooth bar 13 is two, wherein a toothed rack 13 is connected on pull bar 1, another tooth bar 13 is connected on pull bar 2 15, described pull bar 1 to be connected on the guide pad 16 corresponding with it and can along this guide pad 16 upper and lower translation, described pull bar 2 15 to be connected on the guide pad 16 corresponding with it and can along this guide pad 16 upper and lower translation, tooth bar 13 on described pull bar 1 engages with gear 12, tooth bar 13 on described pull bar 2 15 engages with gear 12.
Pull bar 1 end has drag hook one 14a of protrusion, and described pull bar 2 15 end has drag hook two 15a of protrusion.Pull bar 1 is in direct rod shape and described drag hook one 14a is positioned at pull bar 1 upper end, described pull bar 2 15 comprises bar section one 15b, bar section two 15c in direct rod shape and bar section three 15d, above-mentioned tooth bar 13 is connected on bar section one 15b, tooth bar 13 on described bar section one 15b and pull bar 1 is engaged in the both sides of gear 12 respectively and bar section one 15b parallels with pull bar 1, the axis of above-mentioned bar section three 15d and pull bar 1 dead in line, the two ends of bar section two 15c are connected on bar section one 15b and bar section three 15d, and above-mentioned drag hook two 15a is positioned at bar section three 15d end.
As shown in figures 1 to 6, in casing 1, also there is dividing plate 17, the both sides of above-mentioned guide pad 16 are connected in inside dividing plate 17 and casing 1 respectively, an operating cavity is formed between inside dividing plate 17 and casing 1, above-mentioned pull bar 1 and pull bar 2 15 are all positioned at operating cavity, described dividing plate 17 is close to its upper and lower place and has a spacing hole 17a run through respectively, and above-mentioned drag hook one 14a is positioned at one of them spacing hole 17a place, and above-mentioned drag hook two 15a is positioned at the another one spacing hole 17a place corresponding with it.
As shown in Figure 8, the sidepiece of gear 12 is fixed with guide vane end stop 12a, is fixed with positive stop strip 1c in described casing 1, has back-moving spring 19 and above-mentioned guide vane end stop 12a is resisted against on positive stop strip 1c under the elastic force effect of back-moving spring 19 between described gear 12 and positive stop strip 1c.
Such structure can make door-opening mechanism keep initial condition, namely remains the locking states that block tongue 7 stretches out.
Be fixed with battery, loudspeaker and normal open switch in casing 1, above-mentioned normal open switch and lockset are connected and when the normal open switch that lockset action is above-mentioned can close, above-mentioned battery, loudspeaker and normal open switch are connected to form a circuit loop by wire.
As shown in Figure 9, casing 1 sidepiece has recessed gathering sill 1b, and described gathering sill 1b place is connected with can along the baffle plate 18 of its translation, and the outer end of above-mentioned connecting axle 5 is positioned at gathering sill 1b place and connecting axle 5 outer end is blocked by baffle plate 18.
Mutually concordant with outside casing 1 outside baffle plate 18, described baffle plate 18 front end near with casing 1 open end, described baffle plate 18 rear end is close to casing 1 back.
As shown in Figure 10 and Figure 11, middle part inside baffle plate 18 has the storage part 18a of protrusion, have recessed storage hole 18b along on the moving direction above-mentioned storage part 18a of baffle plate 18, one embeds the rod tool 20 that connecting axle 5 can make connecting axle 5 rotate after connecting portion and is positioned at storage hole 18b place.Storage hole 18b is blind hole, and above-mentioned instrument 20 the inner is positioned at storage hole 18b, and above-mentioned instrument 20 outer end is stretched out storage hole 18b and is positioned at inside baffle plate 18.
Chamber door 2 is closed in after on casing 1, and posting 24 outer is embedded in edge in posting 1, and posting 24 is stretched out in block tongue 7 outer end under the elastic force effect of spring 8.Now, can not come off by posting 24 along block tongue 7 under the effect of 4a1 and shoulder block 7a at gear.Meanwhile, under the elastic force effect of spring 8, block tongue 7 outer end stretches out posting 24 all the time, and therefore, after chamber door 2 closedown, under the effect of block tongue 7, this electric box is keep closed condition all the time.In addition, matching with the positioning chamber 4a on posting 24 of block tongue 7 the inner, this structure can ensure that block tongue 7 moves up and down in process and can not rotate.
When needing to open electric box, first baffle plate 18 is pushed open, then the rod tool 20 be positioned on baffle plate 18 is taken off.Now, outside the connecting portion of connecting axle 5 is exposed to, rod tool 20 is inserted the connecting portion 5a of connecting axle 5, be rotationally connected axle 5 easily by instrument 20.
In connecting axle 5 rotation process, driven gear 12 rotates, drive in gear 12 rotation process be engaged on its both sides two tooth bars 13 respectively on move and move down.Because two tooth bars 13 are connected on the pull bar 1 corresponding with it and pull bar 2 15 respectively, final drive pull bar 1 and pull bar 2 15 oppositely translation.
Certainly, pull bar 1 and pull bar 2 15 issue life in the guide effect of guide pad 16 to move.When after pull bar 1 and pull bar 2 15 oppositely translation, drag hook one 14a on pull bar 1 promotes one of them block tongue 7, and drag hook two 15a on pull bar 2 15 promotes another one block tongue 7, makes two block tongues 7 all in retraction posting 24.Once after in block tongue 7 retraction posting 24, chamber door 2 just can be opened.
Arranging of dividing plate 17 can avoid pull bar and guide pad 16 to be exposed in casing 1, spacing hole 17a simultaneously on dividing plate 17 can not only limit the shift motion of pull bar 1 and pull bar 2 15, and the block tongue 7 corresponding with it that drag hook one 14a and drag hook two 15a can also be made stable contacts.
Posting 1 also serves the effect preventing from being entered by impurity band in folding chamber door 2 process in casing 1.Certainly, once after chamber door 2 opens, operator just can easily safeguard electric box.The lockset 6 be positioned on chamber door 2 just covers up effect, and it does not play the effect of opening chamber door 2.Certainly, the outer end of connecting axle 5 arranges more hidden.
Can find out, the open-part of this electric box is hidden, and malice is carried out opener person to electric box and is difficult to find hidden connecting axle 5, even if found that connecting axle 5 is also difficult to the rod tool 20 finding to be rotationally connected axle 5, the lockset on chamber door 2 just covers up effect.Like this, other personnel would not succeed when will carry out malicious operation to electric box.
Claims (10)
1. the door-opening mechanism of an electric box, electric box comprises casing and chamber door, the sidepiece of above-mentioned casing is openend, described chamber door edge is hinged on casing edge and around its hinged place, swing can make above-mentioned casing opening and closing when chamber door, it is characterized in that, there is inside the openend of described casing the posting one protruded in frame-like, described chamber door sidepiece is fixed with the posting two protruded in frame-like, posting two outer above-mentioned when chamber door closes at box opening end place is embedded in edge in posting one and posting two part stretches out posting one, there is in described posting two elasticity block tongue mechanism, described elasticity block tongue mechanism stretches out posting two in the elastic reaction lower part of self and is resisted against inside posting one, have in described casing and can promote block tongue mechanism and the door-opening mechanism made in its retraction posting two, described casing sidepiece has the connecting axle be axially connected thereon, connecting axle outer end to be positioned at outside casing and to have the connecting portion for being connected with instrument thereon, connecting axle the inner is positioned at casing and connecting axle the inner is connected with above-mentioned door-opening mechanism, described chamber door has the lockset inserted for key, described door-opening mechanism comprises gear, pull bar one, pull bar two, tooth bar and guide pad, said gear is connected in connecting axle the inner, above-mentioned guide pad is connected in box inside and its quantity is at least two, the quantity of above-mentioned tooth bar is two, wherein a toothed rack is connected on pull bar one, another tooth bar is connected on pull bar two, described pull bar one to be connected on the guide pad corresponding with it and can along this guide pad upper and lower translation, described pull bar two to be connected on the guide pad corresponding with it and can along this guide pad upper and lower translation, rack and pinion engagement on described pull bar one, rack and pinion engagement on described pull bar two.
2. the door-opening mechanism of electric box according to claim 1, it is characterized in that, described elasticity block tongue mechanism comprises block tongue, spring and posting two positioning chamber recessed bottom outer, described block tongue and spring are all positioned at positioning chamber place, the two ends of spring are pushed up bottom pressure positioning chamber and block tongue the inner respectively, and under the elastic force effect of spring, posting two is stretched out in block tongue outer end.
3. the door-opening mechanism of electric box according to claim 2, is characterized in that, the quantity of described elasticity block tongue mechanism is two and lays respectively at the upper and lower of posting two.
4. the door-opening mechanism of electric box according to claim 2, is characterized in that, described pull bar one end has the drag hook one of protrusion, and described pull bar two end has the drag hook two of protrusion.
5. the door-opening mechanism of electric box according to claim 4, it is characterized in that, described pull bar one is in direct rod shape and described drag hook one is positioned at pull bar one upper end, described pull bar two comprises bar section one, bar section two and bar section three in direct rod shape, above-mentioned tooth bar is connected in bar section one, tooth bar on described bar section one and pull bar one is engaged in the both sides of gear respectively and bar Duan Yiyu pull bar one parallels, the axis of above-mentioned bar section three and pull bar one dead in line, the two ends of bar section two are connected in bar section one and bar section three, and above-mentioned drag hook two is positioned at bar section three end.
6. the door-opening mechanism of electric box according to claim 4, it is characterized in that, also there is dividing plate in described casing, the both sides of above-mentioned guide pad are connected in dividing plate and box inside respectively, an operating cavity is formed between dividing plate and box inside, above-mentioned pull bar one and pull bar two are all positioned at operating cavity, described dividing plate is close to its upper and lower place and has a spacing hole run through respectively, above-mentioned drag hook one is positioned at one of them spacing hole place, and above-mentioned drag hook two is positioned at the another one spacing hole place corresponding with it.
7. the door-opening mechanism of electric box according to claim 1, it is characterized in that, the sidepiece of described gear is fixed with guide vane end stop, be fixed with positive stop strip in described casing, between described gear and positive stop strip, there is back-moving spring and above-mentioned guide vane end stop is resisted against on positive stop strip under the elastic force effect of back-moving spring.
8. the door-opening mechanism of electric box according to claim 1, is characterized in that, described block tongue the inner is prism-shaped, described positioning chamber and the inner mating shapes of block tongue.
9. the door-opening mechanism of electric box according to claim 8, is characterized in that, described block tongue outer end has the spigot surface of inclination, and spigot surface is towards box inside.
10. the door-opening mechanism of electric box according to claim 9, is characterized in that, posting one inside edge has the lingual surface excessively of inclination, and the spigot surface of the block tongue above-mentioned when chamber door is closed can slip over by crossing lingual surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516187.6U CN204067933U (en) | 2014-09-09 | 2014-09-09 | The door-opening mechanism of electric box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516187.6U CN204067933U (en) | 2014-09-09 | 2014-09-09 | The door-opening mechanism of electric box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067933U true CN204067933U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420516187.6U Expired - Fee Related CN204067933U (en) | 2014-09-09 | 2014-09-09 | The door-opening mechanism of electric box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067933U (en) |
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2014
- 2014-09-09 CN CN201420516187.6U patent/CN204067933U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160909 |