CN209324401U - A kind of underground opposite direction is blown in door latch apparatus - Google Patents
A kind of underground opposite direction is blown in door latch apparatus Download PDFInfo
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- CN209324401U CN209324401U CN201821798702.9U CN201821798702U CN209324401U CN 209324401 U CN209324401 U CN 209324401U CN 201821798702 U CN201821798702 U CN 201821798702U CN 209324401 U CN209324401 U CN 209324401U
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- air door
- bar
- opposite direction
- slide
- block
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Abstract
The utility model provides a kind of underground opposite direction and blows in door latch apparatus.The air door opened including front and back twice opposite direction, two groups of crank block four-bar mechanisms are set between the twice air door, limited block is set between two groups of crank block four-bar mechanisms, action drives the first crank block four-bar mechanism directed movement by inwardly opening wherein one of air door shifts position limiting slide block onto fixed position, by being latched the second crank block four-bar mechanism of another road air door, to reach the function of another road air door locking.
Description
Technical field
The utility model belongs to coalmine ventilation field, and in particular to a kind of underground opposite direction is blown in door latch apparatus.
Background technique
The stability of ventilating system is most important during Safety of Coal Mine Production, once twice air door, which opens simultaneously, to be changed
Wind direction causes Air escape branch to cause major gas accident, so safety regulations in coal mine provides personnel and Che in order to prevent
By when door opening cause Air escape branch, at least setting twice air door can guarantee in tunnel always there is one of air door (at least
One of air door) it is in close state.
Currently, each coal industry develops all kinds of throttle locking devices to solve the problems, such as that twice air door opens simultaneously,
Though the device is many kinds of, there are also in place of a degree of shortcoming and defect.Number of patent application is CN201520158409.6
A kind of throttle locking device is disclosed, pulley blocks and steel cord structure have been used, although structure is simple, wirerope and pulley knot
The stability of structure is not high, easy to damage；Number of patent application is that CN201210486708.3 discloses throttle locking device and air door closes
Lock system, uses gas source as power source, has largely used control valve and cylinder, controls door opening accurately, if but in coal mine
A large amount of to use, cost is too high.These blocking devices are all complex, and more or less have certain journey to blocking device stability
Dependence is spent, needs to be completed required function by means of complex component, largely increases the cost of equipment.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, provides a kind of underground opposite direction and blows in door latch apparatus.
Air door is opened including front and back twice opposite direction, four-bar mechanism is set between the twice air door, for controlling one of door opening
Another road air door is in close state afterwards.Based on the underground air door blocking device of crank block four-bar mechanism principle, structure
It is simple and reliable, flexible operation, and it is not required to large-scale power source and electric control gear, effect is very prominent.
This practical technical solution provided in order to solve the technical problem:
A kind of underground opposite direction is blown in door latch apparatus, including the air door that front and back twice opposite direction is opened, the twice air door it
Between two groups of crank block four-bar mechanisms are set, limited block is set between two groups of crank block four-bar mechanisms, by inwardly opening
Action drives the first crank block four-bar mechanism directed movement for opening wherein one of air door shifts position limiting slide block onto fixed position,
By being latched the second crank block four-bar mechanism of another road air door, to reach the function of another road air door locking.
Further, the four-bar mechanism further includes fixed link, and it is close that fixed link both ends are separately fixed at twice air door
On the doorframe of hinge side.
Further, two groups of crank block four-bar mechanisms respectively include connecting rod, slide rod fixer, slide bar,
Door, which can also be abstracted, is considered a connecting rod, wherein connecting rod one end is hinged on one of air door, and the other end is hinged with slide bar, slide bar
It being fixed in fixed link by slide rod fixer sliding, sliding fixed form guarantees that the first slide bar front-rear direction moves horizontally,
Other directions are irremovable.
Further, in order to guarantee that slide bar position in moving process does not deviate, the fixed device is more preferably at least
Two.One can also be with contact area is enough big it is also ensured that slide bar position in moving process does not deviate.
Further, on the same line, position limiting slide block is set slide bar position in two groups of crank block four-bar mechanisms
It sets between the first slide bar and the second slide bar, and vacant certain distance between two slide bars and position limiting slide block, vacant total distance difference
Slide bar moving distance is corresponded to when fully open equal to each air door, to guarantee after opening wherein one of air door, the first slide bar is forward
Sliding touching position limiting slide block moves forward and then touches the second slide bar, is latched the second crank block double leval jib of another road air door
Mechanism, to reach the function of another road air door locking.
Further, the position limiting slide block can be fixed on free to slide in fixed link.Fixed form can refer to existing skill
Art, the utility model specifically select following manner: one end that the position limiting slide block is connect with fixed link is cyclic structure, and ring set exists
In fixed link, the position limiting slide block can be fixed on free to slide in fixed link.
Further, whole four-bar mechanism, which is preferably provided above air door, does not influence personnel's passage.
Further, the twice air door handle direction is consistent.In order to artificial use habit, and apart from consideration.
The utility model has following substantive distinguishing features compared with prior art:
1) it can smoothly run, twice air door is avoided to open simultaneously；
2) crank block four-bar mechanism principle, which is utilized, can accurately realize that air door is latched；
3) it does not need the rotation of link mechanism can be driven just during external power supply only needs personnel to pass in and out air door
The function of realizing air door locking, eliminates power device；
5) structure is simple, easy for installation；
6) installation and later maintenance cost are effectively reduced.
Detailed description of the invention
State when Fig. 1 twice air door simultaneously closes off.
Air door 1 is inwardly opened before Fig. 2, state when rear air door 7 is latched.
Air door 1 is latched before Fig. 3, state when rear air door 7 is inwardly opened.
The sectional view nested with position limiting slide block 6 of Fig. 4 fixed link 5.
In figure: preceding air door 1, first connecting rod 2, slide rod fixer 3, the first slide bar 4, fixed link 5, position limiting slide block 6, rear wind
Door 7, the second slide bar 8.
Specific embodiment
With reference to the accompanying drawing and with specific embodiment, the present invention is furture elucidated.It should be understood that these embodiments are only used for
It is bright the present invention rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention
The modification of various equivalent forms falls within the application range as defined in the appended claims.
Embodiment 1
A kind of underground opposite direction is blown in door latch apparatus, including the air door that front and back twice opposite direction is opened, preceding air door 1 and rear air door
7, two groups of crank block four-bar mechanisms and fixed link 5 are set between the twice air door, fixed link both ends are separately fixed at two
Road air door is on the doorframe of hinge side.Two groups of crank block four-bar mechanisms respectively include the fixed dress of connecting rod, slide bar
It sets, slide bar, wherein connecting rod one end is hinged on one of air door, and the other end is hinged with slide bar, and slide bar passes through slide rod fixer 3
Sliding is fixed in fixed link 5, and sliding fixed form guarantees that the first slide bar front-rear direction moves horizontally, other directions are irremovable
?.In order to guarantee that slide bar position in moving process does not deviate, the fixed device at least two.Two groups of slide cranks
On the same line, position limiting slide block 6 is arranged between the first slide bar 4 and the second slide bar 8 slide bar position in block four-bar mechanism, and
Vacant certain distance between two slide bars and position limiting slide block 6, vacant total distance, which is respectively equal to correspond to when each air door is fully open, to be slided
Bar moving distance, to guarantee before opening after air door 1,4 forward slip of the first slide bar touches position limiting slide block 6 and moves forward and then touch
To the second slide bar 8, the second driving crank block four-bar mechanism of air door after locking, to reach the function of another road air door locking
Energy.
The position limiting slide block 6 can be fixed on free to slide in fixed link 5.Fixed form can refer to the prior art, this reality
With novel specific selection following manner: one end that the position limiting slide block is connect with fixed link is cyclic structure, and ring set is in fixed link
On, the position limiting slide block can be fixed on free to slide in fixed link.
Whole four-bar mechanism, which is preferably provided above air door, does not influence personnel's passage.The twice air door handle direction one
It causes.In order to artificial use habit, and apart from consideration.
Embodiment 2
As shown in Figure 1: in an inactive state, two groups of crank block four-bar mechanisms do not move, and position limiting slide block 6 can be with
It is moved forward and backward along fixed link direction.It is as shown in Figure 2: when having personnel or vehicle needs to pass through air door, to push wherein one of wind
Door (preceding air door 1) is fully open, pushes the first slide bar 4 to move forward along fixed link 5 since first connecting rod 2 rotates, pushes limit
Position sliding block 6(advance), until preceding air door stop motion position limiting slide block 6 also move to 8 contact position of the second slide bar, if thinking at this time
Another road air door (rear air door 7) is opened, also will pull second connecting rod to pull the second slide bar 8 to move forward, at this time due to limit
The effect of position sliding block 6 is so that rear air door 7 can not be opened.As shown in Figure 3: air door 1 is in close state before only, and rear air door 7 is
It can open.Vice versa.
Claims (9)
- The door latch apparatus 1. a kind of underground opposite direction is blown in, it is characterised in that: the air door including the unlatching of front and back twice opposite direction, described two Two groups of crank block four-bar mechanisms are set between road air door, position limiting slide block is set between two groups of crank block four-bar mechanisms (6), limit is slided by inwardly opening action drives the first crank block four-bar mechanism directed movement of wherein one of air door Block (6) shifts fixed position onto, by being latched the second crank block four-bar mechanism of another road air door, to reach another road wind The function of door locking.
- The door latch apparatus 2. underground opposite direction according to claim 1 is blown in, it is characterised in that: the crank block double leval jib Mechanism further includes fixed link (5), and fixed link both ends are separately fixed at twice air door on the doorframe of hinge side.
- The door latch apparatus 3. underground opposite direction according to claim 2 is blown in, it is characterised in that: two groups of crank blocks four Link mechanism respectively includes connecting rod, slide rod fixer, slide bar, door and can also be abstracted to be considered a connecting rod, wherein connecting rod one end It is hinged on one of air door, the other end is hinged with slide bar, and slide bar is fixed on fixed link (5) by slide rod fixer (3) sliding On, sliding fixed form guarantees that the first slide bar front-rear direction moves horizontally, other directions are irremovable.
- The door latch apparatus 4. underground opposite direction according to claim 3 is blown in, it is characterised in that: in order to guarantee slide bar in movement Position does not deviate in the process, the fixed device at least two.
- The door latch apparatus 5. underground opposite direction according to claim 3 is blown in, it is characterised in that: two groups of crank blocks four On the same line, position limiting slide block (6) is arranged between the first slide bar (4) and the second slide bar (8) slide bar position in link mechanism, And two vacant certain distances between slide bar and position limiting slide block, vacant total distance are respectively equal to corresponding slide when each air door is fully open Bar moving distance, to guarantee to open wherein after one of air door, the first slide bar forward slip touching position limiting slide block (6) move forward into And the second slide bar is touched, it is latched the second crank block four-bar mechanism of another road air door, is closed to reach another road air door The function of lock.
- 6. any underground opposite direction is blown in door latch apparatus according to claim 1 ~ 5, it is characterised in that: the position limiting slide block (6) it can be fixed on free to slide on fixed link (5).
- The door latch apparatus 7. underground opposite direction according to claim 6 is blown in, it is characterised in that: the position limiting slide block and fixation One end of bar connection is cyclic structure, and in fixed link, the position limiting slide block can be fixed on free to slide in fixed link ring set.
- The door latch apparatus 8. underground opposite direction according to claim 6 is blown in, it is characterised in that: whole four-bar mechanism setting It is current personnel are not influenced above air door.
- The door latch apparatus 9. underground opposite direction according to claim 6 is blown in, it is characterised in that: twice air door handle side To consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798702.9U CN209324401U (en) | 2018-11-02 | 2018-11-02 | A kind of underground opposite direction is blown in door latch apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798702.9U CN209324401U (en) | 2018-11-02 | 2018-11-02 | A kind of underground opposite direction is blown in door latch apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324401U true CN209324401U (en) | 2019-08-30 |
Family
ID=67709258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821798702.9U Active CN209324401U (en) | 2018-11-02 | 2018-11-02 | A kind of underground opposite direction is blown in door latch apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209324401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356637A (en) * | 2018-11-02 | 2019-02-19 | 张效春 | A kind of underground air door blocking device |
-
2018
- 2018-11-02 CN CN201821798702.9U patent/CN209324401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356637A (en) * | 2018-11-02 | 2019-02-19 | 张效春 | A kind of underground air door blocking device |
| CN109356637B (en) * | 2018-11-02 | 2020-10-09 | 张效春 | Underground air door locking device |
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