CN210770275U - Outer transmission type fireproof smoke exhaust valve - Google Patents
Outer transmission type fireproof smoke exhaust valve Download PDFInfo
- Publication number
- CN210770275U CN210770275U CN201921828428.XU CN201921828428U CN210770275U CN 210770275 U CN210770275 U CN 210770275U CN 201921828428 U CN201921828428 U CN 201921828428U CN 210770275 U CN210770275 U CN 210770275U
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- connecting rod
- blade
- valve body
- connection axle
- external connection
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- Expired - Fee Related
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Abstract
The utility model discloses an external transmission type fireproof smoke exhaust valve, which comprises a valve body, a blade component and a transmission mechanism, wherein the valve body is of a hollow cylindrical structure with an open upper end and an open lower end, a support column is arranged at the center of the valve body, a plurality of support rods are arranged at the lower end of the support column along the circumferential direction, and the free ends of the support rods are fixedly connected on the inner side wall of the valve body; the blade subassembly is by a plurality of be sectorial blade group, be provided with the internal connection axle on the medial surface of blade, the internal connection axle is worn to locate in the mounting hole on the lateral wall of support column upper end, be provided with the external connection axle on the lateral surface of blade, the external connection axle passes the valve body lateral wall, drive mechanism is located the valve body outside and is connected with the equal transmission of external connection axle on each blade, drive mechanism includes first connecting rod and second connecting rod, equal first connecting rod of fixedly connected with is gone out in the part that the external connection axle of each blade stretches out the valve body, connect through the second connecting rod between the first connecting rod on the adjacent blade, and first connecting rod is connected for articulated with the second connecting rod.
Description
Technical Field
The utility model belongs to the technical field of the fire prevention smoke damper, especially, relate to an outer transmission type's fire prevention smoke damper.
Background
As is well known, most of fire prevention smoke damper all is square, and fire prevention smoke damper mainly has valve body, executor, axis of rotation and blade to constitute, and the blade sets firmly on the axis of rotation, and the axis of rotation is provided with many, and the axis of rotation of one of them is connected with the executor transmission, all is through the gear engagement transmission between all transmission shafts, rotates through one of them axis of rotation of executor drive to make other axis of rotation of this axis of rotation drive rotate, and then make the blade rotate and open or close. In long-term use, the traditional fire-proof smoke exhaust valve has obvious defects that: all be located the valve body between the transmission shaft, the gear of meshing mutually between the axis of rotation is in long-term use, and the small particulate matter in the flue gas is detained easily and easy wearing and tearing, and this just leads to gear engagement transmission meshing unsmooth after a period, takes place to damage even, very big influence the whole life of fire prevention smoke damper.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide an outer transmission type fire prevention smoke damper drives the inside blade of valve body through setting up drive mechanism in the valve body outside for drive more nimble, stable, can effectively improve life moreover.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
an external transmission type fireproof smoke exhaust valve comprises a valve body, a blade assembly and a transmission mechanism, wherein the valve body is of a hollow cylindrical structure with an opening at the upper end and an opening at the lower end; the blade subassembly is by a plurality of be sectorial blade group, be provided with the internal connection axle on the medial surface of blade, the internal connection axle is worn to locate in the mounting hole on the lateral wall of support column upper end, be provided with the external connection axle on the lateral surface of blade, the external connection axle passes the valve body lateral wall, drive mechanism is located the valve body outside and is connected with the equal transmission of external connection axle on each blade, drive mechanism includes first connecting rod and second connecting rod, equal first connecting rod of fixedly connected with is gone out in the part that the external connection axle of each blade stretches out the valve body, connect through the second connecting rod between the first connecting rod on the adjacent blade, and first connecting rod is connected for articulated with the second connecting rod.
Furthermore, the device also comprises an actuator, and the actuator is in transmission connection with the external connecting shaft of any one blade.
Further, the actuator is a motor.
Furthermore, a support frame is fixedly arranged on the digging side wall of the valve body, and the actuator is fixedly connected to the support frame.
Furthermore, the upper end of the first connecting rod is provided with a connecting hole penetrating through the front end face and the rear end face of the first connecting rod, a notch communicated with the connecting hole is formed in the upper surface of the first connecting rod, the notch penetrates through the front end face and the rear end face of the first connecting rod, a through hole penetrating through the notch is formed in the left side face of the upper end of the first connecting rod, the outer connecting shaft of the blade is arranged in the connecting hole in a penetrating mode, and the bolt penetrates through the through hole and then is fastened through the nut to achieve fastening connection of the outer connecting shaft of the first connecting.
Due to the adoption of the technical scheme, the utility model discloses following superiority has:
through setting up actuating mechanism in the valve body outside, the blade that is located the valve body from the outside drive of valve body rotates for drive flexibility more makes the space in the valve body obtain make full use of moreover, is connected through first connecting rod and second connecting rod transmission between each blade moreover, makes the rotation stability more of blade, when maintaining actuating mechanism in the later stage in addition, also more convenient operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial structural view of the first link;
in the figure: 1. an actuator; 2. a valve body; 3. a support pillar; 4. a blade; 5. a first link; 51. connecting holes; 52. a notch; 53. a bolt; 6. a second link; 7. a support frame.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 and 2, an external transmission type fireproof smoke exhaust valve comprises a valve body 2, a blade assembly and a transmission mechanism, wherein the valve body 2 is of a hollow cylindrical structure with an opening at the upper end and the lower end, a support column 3 is arranged at the center of the valve body 2, a plurality of support rods are arranged at the lower end of the support column 3 along the circumferential direction, and the free ends of the support rods are fixedly connected to the inner side wall of the valve body; the blade subassembly is by a plurality of be sectorial blade 4 and constitutes, be provided with the internal connection axle on the medial surface of blade 4, the internal connection axle is worn to locate in the mounting hole on 3 upper end lateral walls of support column, be provided with the external connection axle on the lateral surface of blade 4, the external connection axle passes 2 lateral walls of valve body, drive mechanism is located the valve body outside and is connected with the equal transmission of the external connection axle on each blade 4, drive mechanism includes first connecting rod 5 and second connecting rod 6, equal fixedly connected with first connecting rod 5 in the part that the external connection axle of each blade 4 stretches out the valve body, connect through second connecting rod 6 between the first connecting rod 5 on the adjacent blade 4, and first connecting rod 5 is connected for articulated with second connecting rod 6.
The utility model discloses in, outer transmission type's fire prevention smoke damper still includes executor 1, and executor 1 is connected with the outer connecting axle transmission of arbitrary one blade 4, as preferred, the executor is the motor.
For the installation of the convenience of executor 1, the support frame 7 has set firmly on digging the lateral wall of valve body 2, and executor 1 fixed connection is on support frame 7, and as preferred, support frame 7 comprises two horizontal curb plates about by and the vertical curb plate of connection between two horizontal curb plates, executor fixed connection is on vertical curb plate to the output shaft of executor passes through the coupling joint with the outer connecting axle of blade behind the vertical curb plate.
For the convenience of installation and maintenance, change, be connected for dismantling between the outer connecting axle of the upper end of first connecting rod 5 and blade 4, specifically: the upper end of first connecting rod 5 is equipped with the connecting hole 51 that runs through terminal surface around the first connecting rod, the upper surface of first connecting rod 5 seted up with notch 52 that connecting hole 51 is linked together to notch 52 runs through terminal surface around the first connecting rod 5, is provided with on the left surface of first connecting rod upper end and runs through the through-hole of notch, the outer connecting axle of blade 4 is worn to locate in connecting hole 51, passes behind the through-hole through bolt 53 and realizes the fastening connection of the outer connecting axle of first connecting rod and blade with the nut fastening.
The utility model discloses at the during operation, start the executor, drive arbitrary one blade, the in-connection connecting axle of blade rotates on the support column, and the first connecting rod that the outer joint axle of this blade drove on it rotates, and first connecting rod passes through the second connecting rod and drives the first connecting rod rotation on the blade outer joint axle adjacent with this blade, drives the blade through first connecting rod and rotates, the transmission in proper order to realize the rotation of all blades, accomplish opening or closing of fire prevention smoke damper.
Claims (5)
1. The utility model provides an outer driven fire prevention smoke damper, includes valve body, blade subassembly and drive mechanism, its characterized in that: the valve body is of a hollow cylindrical structure with an opening at the upper end and the lower end, a support column is arranged at the center of the valve body, a plurality of support rods are arranged at the lower end of the support column along the circumferential direction, and the free ends of the support rods are fixedly connected to the inner side wall of the valve body; the blade subassembly is by a plurality of be sectorial blade group, be provided with the internal connection axle on the medial surface of blade, the internal connection axle is worn to locate in the mounting hole on the lateral wall of support column upper end, be provided with the external connection axle on the lateral surface of blade, the external connection axle passes the valve body lateral wall, drive mechanism is located the valve body outside and is connected with the equal transmission of external connection axle on each blade, drive mechanism includes first connecting rod and second connecting rod, equal first connecting rod of fixedly connected with is gone out in the part that the external connection axle of each blade stretches out the valve body, connect through the second connecting rod between the first connecting rod on the adjacent blade, and first connecting rod is connected for articulated with the second connecting rod.
2. The externally-driven fire and smoke damper according to claim 1, wherein: the blade driving device further comprises an actuator, and the actuator is in transmission connection with the external connecting shaft of any one blade.
3. The externally-driven fire and smoke damper according to claim 2, wherein: the actuator is a motor.
4. The externally-driven fire and smoke damper according to claim 3, wherein: the digging side wall of the valve body is fixedly provided with a support frame, and the actuator is fixedly connected on the support frame.
5. The externally-driven fire and smoke damper according to claim 1, wherein: the upper end of the first connecting rod is provided with a connecting hole penetrating through the front end face and the rear end face of the first connecting rod, the upper surface of the first connecting rod is provided with a notch communicated with the connecting hole, the notch penetrates through the front end face and the rear end face of the first connecting rod, a through hole penetrating through the notch is formed in the left side face of the upper end of the first connecting rod, the outer connecting shaft of the blade is arranged in the connecting hole in a penetrating mode, and the bolt penetrates through the through hole and then is fastened with a nut to achieve fastening connection of the outer connecting shaft of the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828428.XU CN210770275U (en) | 2019-10-29 | 2019-10-29 | Outer transmission type fireproof smoke exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828428.XU CN210770275U (en) | 2019-10-29 | 2019-10-29 | Outer transmission type fireproof smoke exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770275U true CN210770275U (en) | 2020-06-16 |
Family
ID=71047429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828428.XU Expired - Fee Related CN210770275U (en) | 2019-10-29 | 2019-10-29 | Outer transmission type fireproof smoke exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770275U (en) |
-
2019
- 2019-10-29 CN CN201921828428.XU patent/CN210770275U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200616 Termination date: 20211029 |