CN110617241A - Baffle tee joint and using method thereof - Google Patents
Baffle tee joint and using method thereof Download PDFInfo
- Publication number
- CN110617241A CN110617241A CN201911013632.0A CN201911013632A CN110617241A CN 110617241 A CN110617241 A CN 110617241A CN 201911013632 A CN201911013632 A CN 201911013632A CN 110617241 A CN110617241 A CN 110617241A
- Authority
- CN
- China
- Prior art keywords
- side wall
- plate
- baffle
- connecting pipe
- access
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 25
- 239000010425 asbestos Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a baffle tee joint and a using method thereof, belonging to the technical field of fan accessories, and comprising a shell, a side plate, an access door and a rotating shaft assembly, wherein the bottom of the shell is fixedly connected with the side plate through a bolt, the front side wall of the side plate is fixedly connected with the access door through a bolt, and the side surface of the shell is movably connected with the rotating shaft assembly. The door plate at the bottom of the limiting plate is driven, the switching performance is good, and the operation is flexible.
Description
Technical Field
The invention relates to the technical field of fan accessories, in particular to a baffle tee joint and a use method thereof.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The fan is a Chinese habit short for gas compression and gas conveying machinery, and generally comprises a ventilator, a blower and a wind driven generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.
When the wind power generation device is used, the tee joint can be selectively used for shunting or guiding wind power.
At present, the tee bend can select for use cloth system now, and this just leads to cloth system tee bend withstand voltage not high, often torn drawback, and in the combination of tee bend, dismantles the difficulty, and the sealing performance is poor, and the rate of leaking out is higher, makes wind-force transmission appear disorderly, changes the life-span reduction that leads to cloth system tee bend, influences the stability of equipment, and in the air duct switching in-process that faces the tee bend, lacks effectual switching mode, switches the flexibility of operation lower.
Disclosure of Invention
The invention aims to provide a baffle tee joint and a using method thereof, and aims to solve the problems that the existing tee joint proposed in the background art is made of cloth, so that the pressure resistance of the cloth tee joint is not high and the cloth tee joint is often torn, and in the combination of the tee joint, the disassembly is difficult, the sealing performance is poor, the air leakage rate is high, the wind power transmission is disordered, the service life of the cloth tee joint is easily reduced, the stability of equipment is influenced, an effective switching mode is lacked in the air channel switching process facing the tee joint, and the flexibility of switching operation is low.
In order to achieve the purpose, the invention provides the following technical scheme: a baffle tee joint comprises a shell, side plates, an access door and a rotating shaft assembly, wherein the bottom of the shell is fixedly connected with the side plates through bolts, the front side wall of each side plate is fixedly connected with the access door through bolts, the side face of the shell is movably connected with the rotating shaft assembly, the top of the shell is fixedly connected with a top plate through screws, the bottom of the shell is fixedly connected with a bottom plate through screws, the top of the top plate is connected with an upper connecting pipe through a flange, the bottom of the bottom plate is connected with a main lower connecting pipe and an auxiliary lower connecting pipe through flanges, the front side wall of each side plate is inlaid with a front plate and a rear plate, the front side wall of each front plate and the rear plate are provided with access holes, the front side wall of each access hole is in threaded connection with an access hole flange, the front side wall of each access hole flange is in contact with a rubber asbestos plate, the bottom of, the inside groove has been seted up to the rear side wall of access door, the inside of inside groove is inlayed and is had the baffle sealing strip, the both ends integrated into one piece of baffle sealing strip is connected with the buckle, the inner chamber welding of access hole flange is fluted, the buckle with recess fixed connection, the axostylus axostyle has been run through to the inside of rotating shaft subassembly, the limiting plate has been cup jointed to the circumference outer wall of axostylus axostyle, the axle bed has been cup jointed to the lateral wall about the axostylus axostyle, the lateral wall contact has the apron about the axle bed, lateral wall threaded connection has hexagon bolt about the apron, hexagon bolt about.
Preferably, the structure of the shell is integrally formed, and the structure of the top plate is the same as that of the bottom plate.
Preferably, the inner diameters of the upper connecting pipe and the main lower connecting pipe are the same as the inner diameter of the auxiliary lower connecting pipe.
Preferably, the front side wall of the access hole flange is provided with an internal thread hole, the front side wall of the access door is provided with an external thread hole, and the structure of the external thread hole is matched with that of the internal thread hole.
Preferably, the baffle is embedded in the front side wall of the access door, and the front side wall of the baffle is fixedly connected with a handle through screws.
Preferably, the top of the shaft seat is provided with a round hole, and a fixing screw is inserted into the circumferential inner wall of the round hole.
Preferably, vertical grooves are formed in the left side wall and the right side wall of the limiting plate, and door plates are buckled inside the vertical grooves.
A use method of a baffle tee joint comprises the following steps:
s1: the shell is fixed at a proper position, so that the output ends of the upper connecting pipe, the main lower connecting pipe and the auxiliary lower connecting pipe are free from sundries blocking;
s2, forming an aperture at the top of the shell, arranging the access hole flange, ensuring that the aperture is formed at the central point, forming an inner groove on the rear side wall of the access door, embedding the baffle sealing strip in the inner groove, and fixedly connecting two ends of the baffle sealing strip with the groove by buckles, so as to ensure the sealing property and avoid air leakage;
s3: and the upper connecting pipe, the main lower connecting pipe and the auxiliary lower connecting pipe are externally connected, when one fan is connected with any one of the connecting pipes to work, the shaft lever can be controlled to be matched with the shaft seat to rotate, and the door plate below the limiting plate is driven.
Compared with the prior art, the invention has the beneficial effects that: the baffle tee joint and the use method thereof have the advantages that through the combined application of accessories, each connecting part is connected through flanges, the baffle tee joint is convenient to disassemble and assemble, reliable in connection, simple to maintain and convenient to replace spare parts, after internal buckling is carried out on a baffle sealing strip and a manhole flange, the connecting end is sealed through matching with a rubber asbestos plate, the whole sealing performance is good, the air leakage rate is low, the wind pressure resistance is high, the defects that a cloth tee joint is low in pressure resistance and is frequently torn are overcome, the shaft rod with the limiting plate is arranged in the baffle tee joint, after rotation, the angle limitation can be carried out through matching with a fixing screw on a shaft seat, a door plate at the bottom of the limiting plate is driven.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic view of the assembly structure of the present invention;
FIG. 4 is a side view of the composite structure of the present invention;
FIG. 5 is a schematic view of a rotating shaft assembly according to the present invention.
In the figure: 100 shells, 110 top plates, 120 bottom plates, 130 upper connecting pipes, 140 main lower connecting pipes, 150 auxiliary lower connecting pipes, 200 side plates, 210 front and rear plates, 220 access hole flanges, 300 access doors, 310 baffles, 320 baffle sealing strips, 330 handles, 340 rubber asbestos plates, 400 rotating shaft assemblies, 410 shafts, 420 limiting plates, 430 shaft seats, 440 cover plates, 450 fixing screws and 460 hexagon bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a baffle tee joint which is convenient to disassemble, strong in sealing performance and flexible to switch through assembly and application of accessories, and please refer to fig. 1-5, wherein the baffle tee joint comprises a shell 100, a side plate 200, an access door 300 and a rotating shaft assembly 400;
referring to fig. 1 again, the top of the casing 100 has a top plate 110, specifically, the top of the casing 100 is fixedly connected to the top plate 110 by screws, the bottom of the casing 100 is fixedly connected to a bottom plate 120 by screws, the top of the top plate 110 is connected to an upper connection pipe 130 by a flange, and the bottom of the bottom plate 120 is connected to a main lower connection pipe 140 and an auxiliary lower connection pipe 150 by flanges;
referring to fig. 1-3 again, the bottom of the side plate 200 is fixedly connected with the top of the casing 100, specifically, the bottom of the casing 100 is fixedly connected with the side plate 200 through bolts, the front side wall of the side plate 200 is embedded with a front plate 210 and a rear plate 210, the front side wall of the front plate 210 is provided with an access hole, and the front side wall of the access hole is in threaded connection with an access hole flange 220;
referring to fig. 1-4 again, the bottom of the access door 300 is fixedly connected with the top of the side plate 200, specifically, the front side wall of the side plate 200 is fixedly connected with the access door 300 through bolts, the front side wall of the access hole flange 220 is contacted with a rubber asbestos plate 340, the bottom of the access door 300 penetrates through the rubber asbestos plate 340 through screws and is in threaded connection with the access hole flange 220, the rear side wall of the access door 300 is provided with an inner groove, a baffle sealing strip 320 is embedded in the inner groove, two ends of the baffle sealing strip 320 are integrally connected with buckles, grooves are welded in the inner cavity of the access hole flange 220, and the buckles are fixedly connected with the grooves;
referring to fig. 3-5 again, the circumferential inner wall of the rotating shaft assembly 400 is sleeved with the housing 100, specifically, the side surface of the housing 100 is movably connected with the rotating shaft assembly 400, the shaft rod 410 penetrates through the inside of the rotating shaft assembly 400, the circumferential outer wall of the shaft rod 410 is sleeved with the limiting plate 420, the left and right side walls of the shaft rod 410 are sleeved with the shaft seat 430, the left and right side walls of the shaft seat 430 are contacted with the cover plate 440, the left and right side walls of the cover plate 440 are in threaded connection with the hexagon bolts 460, and the left and right side walls of the hexagon bolts 460 are in;
a use method of a baffle tee joint comprises the following steps:
s1: the shell 100 is fixed at a proper position to ensure that the output ends of the upper connecting pipe 130, the main lower connecting pipe 140 and the auxiliary lower connecting pipe 150 are not blocked by sundries;
s2, forming an aperture at the top of the shell 100 and arranging an access hole flange 220, wherein the aperture needs to be ensured to be arranged at the central point, and forming an inner groove on the rear side wall of the access door 300, a baffle sealing strip 320 is embedded in the inner groove, and two ends of the baffle sealing strip 320 are buckled and fixedly connected with the groove, so that the sealing performance is ensured, and air leakage is avoided;
s3: the upper connecting pipe 130, the main lower connecting pipe 140 and the auxiliary lower connecting pipe 150 are externally connected, when a fan is connected with any one of the connecting pipes for working, the shaft lever 410 can be controlled to rotate by matching with the shaft seat 430, and the door panel below the limiting plate 420 is driven;
when the device is used specifically, firstly, the overall appearance of the shell 100 is observed to ensure no damage, the shell 100 is fixed at a proper position to ensure that the output ends of the upper connecting pipe 130, the main lower connecting pipe 140 and the auxiliary lower connecting pipe 150 are not blocked by sundries, the top of the shell 100 is provided with an aperture and an access hole flange 220, the aperture is required to be ensured to be arranged at a central point position, the rear side wall of the access door 300 is provided with an inner groove, a baffle sealing strip 320 is embedded in the inner groove, two ends of the baffle sealing strip 320 are buckled and fixedly connected with the groove to ensure the sealing property and avoid air leakage, the upper connecting pipe 130, the main lower connecting pipe 140 and the auxiliary lower connecting pipe 150 are externally connected, when a fan is connected with any one of the connecting pipes, a cover plate 440 and a fixing screw 450 are loosened to control the shaft lever 410 to be matched with the shaft seat 430 to rotate, the limiting plate 420 is driven by the rotation of, the air duct inside the butt pipe is shielded, after the position is determined, the fixing screw 450 is rotated, the bottom of the fixing screw 450 is contacted with the circumferential outer wall of the screw 410, the limiting purpose is achieved, and the cover plate 440 and the shaft seat 430 are sealed by the hexagon bolt 460.
Referring to fig. 1-3 again, in order to increase the sealing performance and ensure the assembly stability, specifically, the housing 100 is integrally formed, and the top plate 110 and the bottom plate 120 have the same structure.
Referring to fig. 1 again, in order to ensure stable wind transmission, specifically, the inner diameters of the upper connection pipe 130, the main lower connection pipe 140 and the auxiliary lower connection pipe 150 are the same.
Referring to fig. 2-3 again, in order to facilitate the disassembly and assembly, specifically, the front side wall of the manhole flange 220 is provided with an internal threaded hole, the front side wall of the access door 300 is provided with an external threaded hole, and the structure of the external threaded hole matches with the structure of the internal threaded hole.
Referring to fig. 3 again, in order to facilitate the disassembly and assembly, the access door 300 is embedded with a baffle plate 310 on the front side wall thereof, and the front side wall of the baffle plate 310 is fixedly connected with a handle 330 through screws.
Referring to fig. 5 again, in order to make the fixing screw 450 contact the shaft rod 410, specifically, the top of the shaft seat 430 is provided with a circular hole, and the fixing screw 450 is inserted into the inner wall of the circumference of the circular hole.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A baffle tee bend which characterized in that: including casing (100), curb plate (200), access door (300) and axis of rotation subassembly (400), bolt fixed connection is passed through to the bottom of casing (100) curb plate (200), the preceding lateral wall of curb plate (200) passes through bolt fixed connection access door (300), the side swing joint of casing (100) axis of rotation subassembly (400), screw fixed connection is passed through at the top of casing (100) roof (110), screw fixed connection is passed through to the bottom of casing (100) bottom plate (120), flange joint is passed through at the top of roof (110) and is taken over (130), flange joint is passed through at the bottom of bottom plate (120) and mainly takes over (140) and vice takeover (150) down, the preceding lateral wall of curb plate (200) is inlayed and is had front and back board (210), the access hole has been seted up to the preceding lateral wall of front and back board (210), the front side wall of the access hole is in threaded connection with an access hole flange (220), the front side wall of the access hole flange (220) is in contact with a rubber asbestos plate (340), the bottom of the access door (300) penetrates through the rubber asbestos plate (340) through screws and is in threaded connection with the access hole flange (220), an inner groove is formed in the rear side wall of the access door (300), a baffle sealing strip (320) is embedded in the inner groove, two ends of the baffle sealing strip (320) are integrally connected with buckles, grooves are welded in the inner cavity of the access hole flange (220), the buckles are fixedly connected with the grooves, a shaft rod (410) penetrates through the rotating shaft assembly (400), a limiting plate (420) is sleeved on the outer circumferential wall of the shaft rod (410), shaft seats (430) are sleeved on the left side wall and the right side wall of the shaft rod (410), and cover plates (440) are in contact with the left side wall and the right side wall of the shaft, the left side wall and the right side wall of the cover plate (440) are in threaded connection with hexagon bolts (460), and the left side wall and the right side wall of the hexagon bolts (460) are in threaded connection with the left side wall and the right side wall of the shaft seat (430).
2. A flapper tee according to claim 1, wherein: the structure of the shell (100) is integrally formed, and the structure of the top plate (110) is the same as that of the bottom plate (120).
3. A flapper tee according to claim 1, wherein: the inner diameters of the upper connecting pipe (130), the main lower connecting pipe (140) and the auxiliary lower connecting pipe (150) are the same.
4. A flapper tee according to claim 1, wherein: the front side wall of the access hole flange (220) is provided with an internal thread hole, the front side wall of the access door (300) is provided with an external thread hole, and the structure of the external thread hole is matched with that of the internal thread hole.
5. A flapper tee according to claim 1, wherein: the front side wall of the access door (300) is inlaid with a baffle (310), and the front side wall of the baffle (310) is fixedly connected with a handle (330) through screws.
6. A flapper tee according to claim 1, wherein: the top of the shaft seat (430) is provided with a round hole, and a fixing screw (450) is inserted into the circumferential inner wall of the round hole.
7. A flapper tee according to claim 1, wherein: vertical grooves are formed in the left side wall and the right side wall of the limiting plate (420), and door plates are buckled in the vertical grooves.
8. A method of using the baffle tee of any one of claims 1-7, wherein: the use method of the baffle tee joint comprises the following steps:
s1: the shell (100) is fixed at a proper position, so that the output ends of the upper connecting pipe (130), the main lower connecting pipe (140) and the auxiliary lower connecting pipe (150) are free from sundries blocking;
s2, forming an aperture at the top of the shell (100), arranging the access hole flange (220), ensuring that the aperture is formed at the central point, forming an inner groove on the rear side wall of the access door (300), embedding the baffle sealing strip (320) in the inner groove, and clamping the two ends of the baffle sealing strip (320) to be fixedly connected with the groove so as to ensure the sealing property and avoid air leakage;
s3: the upper connecting pipe (130), the main lower connecting pipe (140) and the auxiliary lower connecting pipe (150) are externally connected, when a fan is connected with any one of the connecting pipes to work, the shaft lever (410) can be controlled to be matched with the shaft seat (430) to rotate, and the door panel below the limiting plate (420) is driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013632.0A CN110617241A (en) | 2019-10-23 | 2019-10-23 | Baffle tee joint and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013632.0A CN110617241A (en) | 2019-10-23 | 2019-10-23 | Baffle tee joint and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617241A true CN110617241A (en) | 2019-12-27 |
Family
ID=68926683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911013632.0A Pending CN110617241A (en) | 2019-10-23 | 2019-10-23 | Baffle tee joint and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963798A (en) * | 2020-08-21 | 2020-11-20 | 来安县山关轨道装备有限公司 | Bonding process for air duct inner flange and air duct outer flange of high-speed rail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03124080U (en) * | 1990-03-27 | 1991-12-17 | ||
| CN204878863U (en) * | 2015-08-14 | 2015-12-16 | 陕西通力专用汽车有限责任公司 | Big railway carriage or compartment bottom plate heating tee bend change -over valve exhausts |
| CN206874882U (en) * | 2017-05-24 | 2018-01-12 | 天津市塘沽津滨阀门有限公司 | A kind of swing type flat reversal valve |
| CN208871088U (en) * | 2018-09-20 | 2019-05-17 | 常州艾布纳机械有限公司 | A kind of material elevator Pneumatic three-way valve |
| CN210889479U (en) * | 2019-10-23 | 2020-06-30 | 无锡市华通电力设备有限公司 | Baffle tee bend |
-
2019
- 2019-10-23 CN CN201911013632.0A patent/CN110617241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03124080U (en) * | 1990-03-27 | 1991-12-17 | ||
| CN204878863U (en) * | 2015-08-14 | 2015-12-16 | 陕西通力专用汽车有限责任公司 | Big railway carriage or compartment bottom plate heating tee bend change -over valve exhausts |
| CN206874882U (en) * | 2017-05-24 | 2018-01-12 | 天津市塘沽津滨阀门有限公司 | A kind of swing type flat reversal valve |
| CN208871088U (en) * | 2018-09-20 | 2019-05-17 | 常州艾布纳机械有限公司 | A kind of material elevator Pneumatic three-way valve |
| CN210889479U (en) * | 2019-10-23 | 2020-06-30 | 无锡市华通电力设备有限公司 | Baffle tee bend |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963798A (en) * | 2020-08-21 | 2020-11-20 | 来安县山关轨道装备有限公司 | Bonding process for air duct inner flange and air duct outer flange of high-speed rail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210889479U (en) | Baffle tee bend | |
| CN110617241A (en) | Baffle tee joint and using method thereof | |
| CN205383749U (en) | Outer wall body business turn over wind gap device | |
| CN212899032U (en) | Noise control fan | |
| CN209818365U (en) | Fan convenient to connect air pipe | |
| CN206874512U (en) | A kind of centrifugal smoke exhaust fan | |
| CN203399705U (en) | Device for cooling tobacco cigarette filter cutter | |
| CN215109605U (en) | Frequency conversion energy-saving centrifugal ventilator | |
| CN215170879U (en) | Stainless steel axial flow fan | |
| CN211715412U (en) | Limiting structure of fan impeller mounting and fixing device | |
| CN210265218U (en) | Low-noise centrifugal ventilator | |
| CN111997940A (en) | Centrifugal fan with adjustable bottom noise | |
| CN209976842U (en) | Negative pressure sealing device for centrifugal fan | |
| CN207279137U (en) | A kind of high pressure drum-type liner pipe turner | |
| CN210371355U (en) | Multi-speed fan for air conditioner | |
| CN208858635U (en) | A kind of axle sealing structure | |
| CN210859313U (en) | Reinforced fan middle disc | |
| CN220081760U (en) | Be used for tuber pipe and fan case connection structure | |
| CN215762355U (en) | High-temperature-resistant fan | |
| CN215979987U (en) | Fan of noise reduction | |
| CN217462608U (en) | Low-noise centrifugal fan for pipeline | |
| CN217636004U (en) | Ventilation device for ventilation engineering | |
| CN214698422U (en) | Centrifugal fan | |
| CN215980159U (en) | Low-noise fan | |
| CN210978006U (en) | Silencer for centrifugal ventilator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |