CN205370627U - Ventilation door locking device - Google Patents
Ventilation door locking device Download PDFInfo
- Publication number
- CN205370627U CN205370627U CN201620084612.8U CN201620084612U CN205370627U CN 205370627 U CN205370627 U CN 205370627U CN 201620084612 U CN201620084612 U CN 201620084612U CN 205370627 U CN205370627 U CN 205370627U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- shutting
- deadlock lever
- locking cylinder
- floating drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a ventilation door locking device, the shutting cylinder is established to the symmetry on the fixed plate, the bit slice is set for to fixed plate also symmetry, reset spring is last, the lower extreme respectively with the spacer, the connection piece upper end is connected, the connection piece lower extreme is connected with unsteady cylinder, float the cylinder in shutting cylinder top, the rotation axis is established to the fixed plate symmetry, shutting pole A upper end and the unsteady cylinder swivelling joint in right side, shutting pole A lower part and left side rotation axis swivelling joint, shutting pole B upper end and the unsteady cylinder swivelling joint in left side, shutting pole B lower part and right side rotation axis swivelling joint, the pulley is established on counter weight bucket upper portion, wire rope one end is connected with the fixed plate, the wire rope other end loops through the pulley, the cylinder floats, be connected with the air door behind the shutting cylinder, the recess is seted up to the equipartition on the shutting cylinder, shutting pole A lower extreme coincide with the recess of left side shutting cylinder, shutting pole B lower extreme coincide with the recess of right side shutting cylinder. The utility model discloses beneficial effect: mechanical type ventilation door locking device safety and stability nature is high, is convenient for maintain and the maintenance.
Description
Technical field
This utility model relates to a kind of blocking device, particularly relates to a kind of throttle locking device.
Background technology
Underground mine use air door is in order to cut off facility that is distinguished and admirable or that regulate air quantity in the tunnel needing to be open to traffic with pedestrian.Air door more than 2 roads or 2 roads for one group, it is all closed mode under normal circumstances, only open when needs are current, and 1 road air door can only be opened in same time, if after 2 road air doors are opened simultaneously, namely cause Air escape branch, cause the disorder of ventilating system, therefore " safety regulations in coal mine " clear stipulaties: forbid 2 road air doors to open simultaneously.The function of throttle locking device is exactly that another fan can not be opened when one fans door opening, and only in time closing, another pectinid door just can be opened.There is shortcoming difficult in maintenance, that be easily damaged in normally used common throttle locking device, it is easy to causes security incident.
Utility model content
Technical problem to be solved in the utility model is: provides a kind of throttle locking device, solves common throttle locking device and there is problem difficult in maintenance, that be easily damaged.
This utility model be the technical scheme is that by the problem that solution is set forth above
nullA kind of throttle locking device，Fixing plate 1 is symmetrical arranged locking cylinder 2，Fixing plate 1 is also symmetrical arranged spacer 3，Back-moving spring 4 upper end is connected with spacer 3，Back-moving spring 4 lower end connects with being connected sheet 5 upper end，Connect sheet 5 lower end to be connected with floating drum 6，Floating drum 6 is positioned at above locking cylinder 2，Fixing plate 1 is symmetrical arranged rotating shaft 7，Rotating shaft 7 is positioned at the inner side of two locking cylinders 2，Deadlock lever A8 upper end is rotatably connected with the rotating shaft of right side floating drum 6，Deadlock lever A8 bottom is rotatably connected with left side spin rotating shaft 7，Deadlock lever B9 upper end is rotatably connected with the rotating shaft of left side floating drum 6，Deadlock lever B9 bottom is rotatably connected with right side rotating shaft 7，Counterweight bucket 10 top arranges pulley 11，Steel wire rope 12 one end is connected with fixing plate 1，Steel wire rope 12 other end passes sequentially through pulley 11、Floating drum 6、It is connected with air door after locking cylinder 2，Counterweight bucket 10 is positioned at below fixing plate 1，Locking cylinder 2 is along the circumferential direction uniform offers groove 13，Deadlock lever A8 lower end matches with the groove 13 on left side locking cylinder 2，Deadlock lever B9 lower end matches with the groove 13 on right side locking cylinder 2.
The described distance between locking cylinder 2 is more than the distance between floating drum 6, and locking cylinder and floating drum are respectively distributed to each angle of isosceles trapezoid, and structure is more stable, and steel wire rope runs more smooth.
Described back-moving spring 4 is extension spring, and stretch capability is strong, long service life.
Described deadlock lever A8, deadlock lever B9 lower end shape of cross section are rectangle, coincide more firm with groove.
Described steel wire rope 12 is wound around two weeks on locking cylinder 2, increases the frictional force of steel wire rope and locking cylinder, it is to avoid sliding friction, operates steadily.
Described groove 13 is right angle groove, coincide more firm with deadlock lever A, deadlock lever B, improves the reliability of plant running.
Operation principle of the present utility model: adopt lever principle, when the air door on right side is opened, the air door on right side drives the steel wire rope motion on right side, the steel wire rope on right side is extracted out to the right and drives the floating drum on right side to move in a circle along the rotating shaft of deadlock lever A to the right while rotating, deadlock lever A lower end is promoted to coincide with the groove on the locking cylinder in left side, preventing the rotation of left side locking cylinder, thus causing left side steel wire rope to extract out, reaching the purpose of air door on the left of locking；After right side air door is closed, the additional force of right side floating drum is disappeared by the steel wire rope on right side, right side floating drum and deadlock lever A set back under the effect of right side back-moving spring and put, and deadlock lever A lower end departs from the groove on left side locking cylinder, and blocking disappears at once.The air door of the operation principle and right side of opening, close timer when the air door in left side is opened, the operation principle of closure state timer is identical.Counterweight bucket makes air door remain off without under External Force Acting, cuts off effect that is distinguished and admirable or that regulate air quantity thus serving.
The beneficial effects of the utility model are in that: 1, mechanical air door blocking device security and stability is high, it is simple to care and maintenance.2, the distance between locking cylinder is more than the distance between floating drum, and locking cylinder and floating drum are respectively distributed to each angle of isosceles trapezoid, and structure is more stable, and steel wire rope runs more smooth.3, back-moving spring is extension spring, and stretch capability is strong, long service life.4, deadlock lever A, deadlock lever B lower end shape of cross section are rectangle, coincide more firm with groove.5, steel wire rope is wound around two weeks on locking cylinder, increases the frictional force of steel wire rope and locking cylinder, it is to avoid sliding friction, operates steadily.6, groove is right angle groove, coincide more firm with deadlock lever A, deadlock lever B, improves the reliability of plant running.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, the fixing plate of 1-, 2-locking cylinder, 3-spacer, 4-back-moving spring, 5-connect sheet, 6-floating drum, 7-rotating shaft, 8-deadlock lever A, 9-deadlock lever B, 10-counterweight bucket, 11-pulley, 12-steel wire rope, 13-groove.
Detailed description of the invention
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
nullWith reference to Fig. 1，A kind of throttle locking device described in this detailed description of the invention，Fixing plate 1 is symmetrical arranged locking cylinder 2，Fixing plate 1 is also symmetrical arranged spacer 3，Back-moving spring 4 upper end is connected with spacer 3，Back-moving spring 4 lower end connects with being connected sheet 5 upper end，Connect sheet 5 lower end to be connected with floating drum 6，Floating drum 6 is positioned at above locking cylinder 2，Fixing plate 1 is symmetrical arranged rotating shaft 7，Rotating shaft 7 is positioned at the inner side of two locking cylinders 2，Deadlock lever A8 upper end is rotatably connected with the rotating shaft of right side floating drum 6，Deadlock lever A8 bottom is rotatably connected with left side spin rotating shaft 7，Deadlock lever B9 upper end is rotatably connected with the rotating shaft of left side floating drum 6，Deadlock lever B9 bottom is rotatably connected with right side rotating shaft 7，Counterweight bucket 10 top arranges pulley 11，Steel wire rope 12 one end is connected with fixing plate 1，Steel wire rope 12 other end passes sequentially through pulley 11、Floating drum 6、It is connected with air door after locking cylinder 2，Counterweight bucket 10 is positioned at below fixing plate 1，Locking cylinder 2 is along the circumferential direction uniform offers groove 13，Deadlock lever A8 lower end matches with the groove 13 on left side locking cylinder 2，Deadlock lever B9 lower end matches with the groove 13 on right side locking cylinder 2.
The described distance between locking cylinder 2 is more than the distance between floating drum 6, and locking cylinder and floating drum are respectively distributed to each angle of isosceles trapezoid, and structure is more stable, and steel wire rope runs more smooth.
Described back-moving spring 4 is extension spring, and stretch capability is strong, long service life.
Described deadlock lever A8, deadlock lever B9 lower end shape of cross section are rectangle, coincide more firm with groove.
Described steel wire rope 12 is wound around two weeks on locking cylinder 2, increases the frictional force of steel wire rope and locking cylinder, it is to avoid sliding friction, operates steadily.
Described groove 13 is right angle groove, coincide more firm with deadlock lever A, deadlock lever B, improves the reliability of plant running.
The operation principle of this detailed description of the invention: adopt lever principle, when the air door on right side is opened, the air door on right side drives the steel wire rope motion on right side, the steel wire rope on right side is extracted out to the right and drives the floating drum on right side to move in a circle along the rotating shaft of deadlock lever A to the right while rotating, deadlock lever A lower end is promoted to coincide with the groove on the locking cylinder in left side, preventing the rotation of left side locking cylinder, thus causing left side steel wire rope to extract out, reaching the purpose of air door on the left of locking；After right side air door is closed, the additional force of right side floating drum is disappeared by the steel wire rope on right side, right side floating drum and deadlock lever A set back under the effect of right side back-moving spring and put, and deadlock lever A lower end departs from the groove on left side locking cylinder, and blocking disappears at once.The air door of the operation principle and right side of opening, close timer when the air door in left side is opened, the operation principle of closure state timer is identical.Counterweight bucket makes air door remain off without under External Force Acting, cuts off effect that is distinguished and admirable or that regulate air quantity thus serving.
Having the beneficial effects that of this detailed description of the invention: 1, mechanical air door blocking device security and stability is high, it is simple to care and maintenance.2, the distance between locking cylinder is more than the distance between floating drum, and locking cylinder and floating drum are respectively distributed to each angle of isosceles trapezoid, and structure is more stable, and steel wire rope runs more smooth.3, back-moving spring is extension spring, and stretch capability is strong, long service life.4, deadlock lever A, deadlock lever B lower end shape of cross section are rectangle, coincide more firm with groove.5, steel wire rope is wound around two weeks on locking cylinder, increases the frictional force of steel wire rope and locking cylinder, it is to avoid sliding friction, operates steadily.6, groove is right angle groove, coincide more firm with deadlock lever A, deadlock lever B, improves the reliability of plant running.
Specific embodiment of the utility model does not constitute restriction of the present utility model, every employing analog structure of the present utility model and change, all in protection domain of the present utility model.
Claims (5)
- null1. a throttle locking device，It is characterized in that: fixing plate (1) is symmetrical arranged locking cylinder (2)，Fixing plate (1) is also symmetrical arranged spacer (3)，Back-moving spring (4) upper end is connected with spacer (3)，Back-moving spring (4) lower end connects with being connected sheet (5) upper end，Connect sheet (5) lower end to be connected with floating drum (6)，Floating drum (6) is positioned at locking cylinder (2) top，Fixing plate (1) is symmetrical arranged rotating shaft (7)，Rotating shaft (7) is positioned at the inner side of two locking cylinders (2)，Deadlock lever A(8) upper end is rotatably connected with the rotating shaft of right side floating drum (6)，Deadlock lever A(8) bottom is rotatably connected with left side spin rotating shaft (7)，Deadlock lever B(9) upper end is rotatably connected with the rotating shaft of left side floating drum (6)，Deadlock lever B(9) bottom is rotatably connected with right side rotating shaft (7)，Counterweight bucket (10) top arranges pulley (11)，Steel wire rope (12) one end is connected with fixing plate (1)，Steel wire rope (12) other end passes sequentially through pulley (11)、Floating drum (6)、Locking cylinder (2) is connected with air door afterwards，Counterweight bucket (10) is positioned at fixing plate (1) lower section，Locking cylinder (2) is along the circumferential direction uniform offers groove (13)，Deadlock lever A(8) lower end matches with the groove (13) in left side locking cylinder (2)，Deadlock lever B(9) lower end matches with the groove (13) in right side locking cylinder (2).
- 2. a kind of throttle locking device as claimed in claim 1, it is characterised in that: the described distance between locking cylinder (2) is more than the distance between floating drum (6).
- 3. throttle locking device as claimed in claim 1 a kind of, it is characterised in that: described deadlock lever A(8), deadlock lever B(9) lower end shape of cross section is rectangle.
- 4. a kind of throttle locking device as claimed in claim 1, it is characterised in that: described steel wire rope (12) was the upper winding of locking cylinder (2) two weeks.
- 5. a kind of throttle locking device as claimed in claim 1, it is characterised in that: described groove (13) is right angle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620084612.8U CN205370627U (en) | 2016-01-28 | 2016-01-28 | Ventilation door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620084612.8U CN205370627U (en) | 2016-01-28 | 2016-01-28 | Ventilation door locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370627U true CN205370627U (en) | 2016-07-06 |
Family
ID=56270406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620084612.8U Expired - Fee Related CN205370627U (en) | 2016-01-28 | 2016-01-28 | Ventilation door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545344A (en) * | 2016-01-28 | 2016-05-04 | 济宁矿业集团有限公司 | Air door locking device |
| CN106218351A (en) * | 2016-08-08 | 2016-12-14 | 太仓盖兹汽车零部件有限公司 | A kind of automobile air-conditioning air door structure |
-
2016
- 2016-01-28 CN CN201620084612.8U patent/CN205370627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545344A (en) * | 2016-01-28 | 2016-05-04 | 济宁矿业集团有限公司 | Air door locking device |
| CN106218351A (en) * | 2016-08-08 | 2016-12-14 | 太仓盖兹汽车零部件有限公司 | A kind of automobile air-conditioning air door structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160706 Termination date: 20170128 |