CN207436727U - Sewage Disposal danger zone safety door latch - Google Patents
Sewage Disposal danger zone safety door latch Download PDFInfo
- Publication number
- CN207436727U CN207436727U CN201721517152.4U CN201721517152U CN207436727U CN 207436727 U CN207436727 U CN 207436727U CN 201721517152 U CN201721517152 U CN 201721517152U CN 207436727 U CN207436727 U CN 207436727U
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- CN
- China
- Prior art keywords
- closing piece
- locating rod
- danger zone
- door latch
- safety door
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Abstract
The utility model discloses a kind of Sewage Disposal danger zone safety door latch, including mounting base, mounting base is equipped with receiving hole and slide opening, drive shaft is equipped in receiving hole, one end of drive shaft has operation portion, closing piece is equipped in slide opening, one end of closing piece is equipped with the locking bar being suitable for the lockhole cooperation on doorframe, electromagnetic locking device is equipped in mounting base, the one side of closing piece towards electromagnetic locking device is equipped with lock hole, electromagnetic locking device includes locating rod and electromagnetic drive mechanism, when locking bar coordinates in place with lockhole, locating rod is alignd with lock hole, when locking bar does not coordinate with lockhole, locating rod staggers with lock hole.When concentration of hydrogen sulfide of the safety door latch in danger zone in the utility model is higher than setting value, electromagnetic locking device control locating rod movement, it inserts it into the lock hole on closing piece, personnel can not drive closing piece movement unlock to enter in danger zone by rotation driving axis at this time, personnel is avoided to rush danger zone by mistake, improve safety.
Description
Technical field
The utility model is related to a kind of safety door latch, and in particular to a kind of Sewage Disposal hazardous area safe door lock.
Background technology
At present, safety door latch used in Sewage Disposal is common door lock in the prior art, described including mounting base
For mounting base equipped with the receiving hole and slide opening being mutually perpendicular to and middle part connects, interior be equipped with of the receiving hole can be around own axis
Drive shaft, one end of the drive shaft has the operation portion beneficial to rotation driving axis, and being equipped in the slide opening can be in the cunning
The closing piece moved back and forth in hole drives the closing piece to move when the drive shaft rotates by linkage part, and the one of the closing piece
End is equipped with the locking bar being suitable for the lockhole cooperation on doorframe.When closing or opening door-plate, by operation portion rotation driving axis, from
And after by controlling the movement of closing piece locking bar being driven to coordinate or release cooperation, locking bar to form cooperation with lockhole with lockhole
By locking door, conversely, door-plate can be opened after locking bar releases cooperation with lockhole.Above-mentioned door lock there are the problem of be people
Member at any time can be by rotation driving axis to open door lock, if staff's exceeded feelings of concentration of hydrogen sulfide indoors
Under condition, open door lock and get in, then easily trigger hydrogen sulfide poisoning accident, there are security risks.
Utility model content
In this regard, the utility model is intended to provide a kind of higher Sewage Disposal hazardous area safe door lock of security.
Realizing the technical solution of the utility model aim is：
A kind of Sewage Disposal danger zone safety door latch, including mounting base, the mounting base is equipped with and is mutually perpendicular to
And the receiving hole and slide opening of middle part connection, interior be equipped with of the receiving hole can be around the drive shaft of own axis, the drive shaft
One end there is operation portion beneficial to rotation driving axis, the closing piece that can be moved back and forth in the slide opening is equipped in the slide opening,
By linkage part the closing piece is driven to move during drive shaft rotation, one end of the closing piece be equipped be suitable for on doorframe
The locking bar of lockhole cooperation, is equipped with electromagnetic locking device in the mounting base in closing piece one side, and the closing piece is towards the electromagnetic lock
The one side for determining device is equipped with lock hole, and the electromagnetic locking device includes that the positioning being arranged in the mounting base can be moved left and right
Bar and the electromagnetic drive mechanism that the locating rod is driven to move left and right, it is described fixed when the locking bar is coordinated in place with the lockhole
Position bar aligns with the lock hole, and when the locking bar does not coordinate with the lockhole, the locating rod staggers with the lock hole.
In above-mentioned technical proposal, the electromagnetic drive mechanism includes electromagnet and is moved up and down by the solenoid actuated
Mobile base, the Mobile base and the locating rod link, so that the Mobile base drives the locating rod left when moving up and down
It moves right.
In above-mentioned technical proposal, the Mobile base is equipped with inclined bar hole, and the locating rod is away from the closing piece
One end is equipped with the convex block with bar hole cooperation.
In above-mentioned technical proposal, the linkage part includes the linkage board being fixed in the drive shaft and is fixed on described
Trundle on linkage board, the closing piece top are equipped with short slot, and the trundle is stretched into the short slot.
In above-mentioned technical proposal, the drive shaft is fixedly mounted on by bearing in the receiving hole, in the mounting base
With the annular groove around the operation portion, the outer end of the operation portion is equal with the side wall of mounting base.
In above-mentioned technical proposal, the cross sectional shape of the operation portion is semicircle or polygon.
The utility model has positive effect：(1) using the structure in the utility model, when the vulcanization in danger zone
When hydrogen concentration is less than setting value, electromagnetic locking mechanism control locating rod does not coordinate with lock hole, and staff can be driven by rotating
Moving axis carrys out normal switching-off or opens door lock；When the concentration of hydrogen sulfide in danger zone is higher than setting value, control system is by information
Electromagnetic locking device is fed back to, electromagnetic locking device control locating rod movement is inserted it into the lock hole on closing piece, locked at this time
Lockhole on locking bar and doorframe on block keeps cooperation, because locating rod limits the movement of closing piece, so personnel can not revolve at this time
Turn drive shaft unlock, thus reminded the concentration of hydrogen sulfide in personnel hazard region exceeded, personnel is avoided to swarm into hazardous area by mistake
Security incident is triggered in domain, improves security, if the measure of properly protecting is got in, control electromagnetic locking device makes locating rod
It releases locking, that is, rotatable drive shaft to closing piece and opens door lock.
Description of the drawings
Fig. 1 is that the forward structure of safety door latch in the utility model (when locking bar coordinates in place with the lockhole on doorframe) is illustrated
Figure.
Fig. 2 is that the forward structure of safety door latch in the utility model (when locking bar does not coordinate with the lockhole on doorframe) is illustrated
Figure.
Fig. 3 is the sectional view along Fig. 1 during line A-A cutting.
Fig. 4 is the dimensional structure diagram of safety door latch.
Fig. 5 is that safety door latch removes the dimensional structure diagram after mounting base in the utility model.
Reference numeral is shown in figure：1- mounting bases；12- receiving holes；13- slide openings；14- annular grooves；2- drive shafts；21-
Operation portion；3- closing pieces；31- locking bars；32- lock holes；33- short slots；4- linkage parts；41- linkage boards；42- trundles；5- electromagnetism
Locking device；51- locating rods；511- convex blocks；52- electromagnetic drive mechanisms；521- electromagnet；522- Mobile bases；5221- bar shapeds
Hole；6- bearings.
Specific embodiment
The concrete structure in the utility model is done with explanation with reference to Figure of description：
A kind of Sewage Disposal danger zone safety door latch, as shown in Figure 1 to Figure 3, including mounting base 1, the installation
For seat 1 equipped with the receiving hole 12 and slide opening 13 being mutually perpendicular to and middle part connects, interior be equipped with of the receiving hole 12 can be around own axes
The drive shaft 2 of rotation, one end of the drive shaft 2 have the operation portion 21 beneficial to rotation driving axis 2, are equipped in the slide opening 13
The closing piece 3 that can be moved back and forth in the slide opening 13, drives the closing piece 3 to move when the drive shaft 2 rotates by linkage part 4
Dynamic, one end of the closing piece 3 is equipped with the locking bar 31 being suitable for the lockhole cooperation on doorframe, and the mounting base 1 is interior in 3 one side of closing piece
Equipped with electromagnetic locking device 5, the one side of the closing piece 3 towards the electromagnetic locking device 5 is equipped with lock hole 32, the electromagnetic lock
Determining device 5 includes that the locating rod 51 being arranged in the mounting base 1 can be moved left and right and the locating rod 51 is driven to move left and right
Electromagnetic drive mechanism 52, when the locking bar 31 and the lockhole are coordinated in place, the locating rod 51 and the lock hole 32 are right
Together, when the locking bar 31 does not coordinate with the lockhole, the locating rod 51 staggers with the lock hole 32.Using the utility model
In structure, when the concentration of hydrogen sulfide in danger zone be less than setting value when, electromagnetic locking device 5 control locating rod 51 not with lock
Determine hole 32 to coordinate, staff come normal switching-off or can open door lock by rotation driving axis 2；When the hydrogen sulfide in danger zone
When concentration is higher than setting value, information is fed back to electromagnetic locking device 5 by control terminal, and electromagnetic locking device 5 controls locating rod 51
It is mobile, it inserts it into the lock hole 32 on closing piece 3, the locking bar 31 on closing piece 3 keeps coordinating with the lockhole on doorframe at this time, because
Locating rod 51 limits the movement of closing piece 3, thus personnel at this time can not rotation driving axis unlock, thus reminded personnel hazard
Concentration of hydrogen sulfide in region is exceeded, and personnel is avoided to swarm into danger zone by mistake and trigger security incident, security are improved, if carrying out
When safeguard procedures are got in, control electromagnetic locking device 5 makes locating rod releasing beat the locking i.e. rotatable drive shaft of closing piece
Door lock
In the present embodiment, the electromagnetic drive mechanism 52 includes electromagnet 521 and is driven and upper and lower by the electromagnet 521
Mobile Mobile base 522, the Mobile base 522 links with the locating rod 51, so that band when the Mobile base 522 moves up and down
The locating rod 51 is moved to move left and right.Using the structure in the utility model, locating rod 51 is arranged on Mobile base 522, is led to
It crosses moving up and down for Mobile base 522 and is converted to moving left and right for locating rod 51, this structure can set the component inside mounting base 522
The more rationalization put, so as to be conducive to product Miniaturization Design.
In the present embodiment, the Mobile base 522 is equipped with inclined bar hole 5221, and the locating rod 51 is away from the lock
One end of block 3 is equipped with the convex block 511 with the bar hole 5221 cooperation.Using the structure in the utility model, locating rod 51 can
Relative position of the convex block 511 in bar hole 5221 is made to change when Mobile base 522 moves up and down, so as to drive locating rod
51 move left and right, simple in structure and reasonable.
In the present embodiment, the linkage part 4 includes the linkage board 41 being fixed in the drive shaft 2 and is fixed on described
Trundle 42 on linkage board 41,3 top of closing piece are equipped with short slot 33, and the trundle 42 is stretched into the short slot 33,
During rotation driving axis 2, trundle 42 stirs the respective side walls of short slot 33 so as to which closing piece 3 be driven to move.
In the present embodiment, the drive shaft 2 is fixedly mounted on by bearing 6 in the receiving hole 12, in the mounting base 1
With the annular groove 14 around the operation portion 21, the outer end of the operation portion 21 is equal with the side wall of mounting base 1.Using this knot
Structure, door lock could be opened by making staff that must carry corresponding unlocking tool, can not single-handedly rotation process portion 21 so as to preventing
Non-working person is entered due to maloperation in danger zone under unknown situation, further improves the safety that the door lock uses
Property.
Further, the cross sectional shape of the operation portion 21 is semicircle or polygon, is had on corresponding unlocking tool
Semicircle sets of holes or polygon sets of holes, i.e. rotatable drive shaft after the sets of holes on unlocking tool and the operation portion 21 are socketed
2。
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still falls within this practicality
New protection domain.
Claims (6)
1. a kind of Sewage Disposal danger zone safety door latch, including mounting base (1), the mounting base (1) is equipped with mutual
The receiving hole (12) and slide opening (13) of vertical and middle part connection, interior be equipped with of the receiving hole (12) can be around the drive of own axis
Moving axis (2), one end of the drive shaft (2) have the operation portion (21) suitable for rotation driving axis (2), are set in the slide opening (13)
There is the closing piece (3) that can be moved back and forth in the slide opening (13), pass through linkage part (4) when the drive shaft (2) rotates and drive
The closing piece (3) is mobile, and one end of the closing piece (3) is equipped with the locking bar (31) being suitable for the lockhole cooperation on doorframe, feature
It is：It is equipped with electromagnetic locking device (5) in the mounting base (1) in closing piece (3) one side, the closing piece (3) is towards the electromagnetism
The one side of locking device (5) is equipped with lock hole (32), and the electromagnetic locking device (5) includes the locating rod (51) that can be moved left and right
With the electromagnetic drive mechanism (52) that the locating rod (51) is driven to move left and right, the locking bar (31) coordinates in place with the lockhole
When, the locating rod (51) is alignd with the lock hole (32), when the locking bar (31) does not coordinate with the lockhole, the positioning
Bar (51) staggers with the lock hole (32).
2. Sewage Disposal danger zone according to claim 1 safety door latch, it is characterised in that：The electromagnetic drive
Mechanism (52) includes electromagnet (521) and the Mobile base (522) for being driven and being moved up and down by the electromagnet (521), the shifting
Dynamic seat (522) links with the locating rod (51), so that the Mobile base (522) drives the locating rod (51) when moving up and down
It moves left and right.
3. Sewage Disposal danger zone according to claim 2 safety door latch, it is characterised in that：The Mobile base
(522) inclined bar hole (5221) is equipped with, the one end of the locating rod (51) away from the closing piece (3) is equipped with and the item
The convex block (511) of shape hole (5221) cooperation.
4. Sewage Disposal danger zone according to claim 1 safety door latch, it is characterised in that：The linkage part
(4) linkage board (41) being fixed in the drive shaft (2) and the trundle (42) being fixed on the linkage board (41) are included,
Closing piece (3) top is equipped with short slot (33), and the trundle (42) is stretched into the short slot (33).
5. the Sewage Disposal danger zone safety door latch according to claim 1 or 3, it is characterised in that：The driving
Axis (2) is fixedly mounted on by bearing (6) in the receiving hole (12), is had on the mounting base (1) around the operation portion
(21) annular groove (14), the outer end of the operation portion (21) are equal with the side wall of mounting base (1).
6. Sewage Disposal danger zone according to claim 5 safety door latch, it is characterised in that：The operation portion
(21) cross sectional shape is semicircle or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517152.4U CN207436727U (en) | 2017-11-14 | 2017-11-14 | Sewage Disposal danger zone safety door latch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517152.4U CN207436727U (en) | 2017-11-14 | 2017-11-14 | Sewage Disposal danger zone safety door latch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436727U true CN207436727U (en) | 2018-06-01 |
Family
ID=62289461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721517152.4U Active CN207436727U (en) | 2017-11-14 | 2017-11-14 | Sewage Disposal danger zone safety door latch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436727U (en) |
-
2017
- 2017-11-14 CN CN201721517152.4U patent/CN207436727U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |