CN218154809U - Combined hot air unit with built-in air inlet connecting pipe - Google Patents
Combined hot air unit with built-in air inlet connecting pipe Download PDFInfo
- Publication number
- CN218154809U CN218154809U CN202222214417.0U CN202222214417U CN218154809U CN 218154809 U CN218154809 U CN 218154809U CN 202222214417 U CN202222214417 U CN 202222214417U CN 218154809 U CN218154809 U CN 218154809U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- connecting pipe
- inlet connecting
- pipe
- box body
- 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.)
- Active
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
A combined hot air unit with a built-in air inlet connecting pipe comprises an outer box body of the hot air unit, wherein an air inlet is formed in the side wall of one side of the outer box body, an inner air inlet connecting pipe communicated with the air inlet is fixed on the inner wall of the outer box body, an annular inner baffle plate is formed at the inner end of the inner air inlet connecting pipe, a conical inner inserting pipe is formed in the inner ring of the inner baffle plate, and the inner inserting pipe is inserted into the inner air inlet connecting pipe; a plurality of gaps are formed in the inner side wall of the air inlet, and a plurality of internal thread column sleeves for covering the gaps are fixedly welded on the outer wall of the internal air inlet connecting pipe; two semicircular annular limiting clamp plates are inserted into air inlets on two sides of the inner inserting pipe, a plurality of support lugs are formed on the outer ring of each limiting clamp plate, the support lugs are inserted into the notches of the outer box body and connected with fastening bolts, and the fastening bolts are in threaded connection with the inner threaded column sleeves. The hot air unit arranges the air inlet connecting pipe on the inner wall of the box body in an improved way, so that the problem of interference during transportation is solved; the connecting structure of the air inlet connecting pipe can be fixedly connected with connecting pipelines with various pipe diameters.
Description
The technical field is as follows:
the utility model relates to an air heater unit's technical field, more specifically say and relate to an air heater unit of combination formula with built-in air inlet is taken over.
Background art:
the industrial hot air unit is an efficient and highly intelligent air heating device developed according to the requirement that warm air must be supplied to the underground of a mine to prevent an air inlet shaft from being frozen in winter. The device is used for heating air at the mine wellhead, and can also be used for temperature adjustment and material drying in large industrial buildings. The existing industrial air heater unit is generally arranged in a box body, and a heating component and a fan component of the existing industrial air heater unit are arranged in the box body; an air inlet is formed in the side wall of the box body, as shown in fig. 1, meanwhile, the industrial hot air unit can be connected with other units, for example, the industrial hot air unit is connected with an air filter unit, and the air inlet and the air filter unit are connected by adopting a pipeline, so that an outer air inlet connecting pipe 2' communicated with the air inlet is fixed on the outer wall of the box body of the industrial hot air unit, and for convenience of installation and connection, a flange 21' is formed on the outer air inlet connecting pipe 2', but the outer air inlet connecting pipes 2' are arranged on the outer side of the box body of the industrial hot air unit, and the outer air inlet connecting pipes 2' arranged on the outer side are easy to cause interference in the carrying process of the industrial hot air unit; and the pipe diameter of the external air inlet connecting pipe 2' is fixed, so that the external air inlet connecting pipe is inconvenient to be connected with pipelines with different pipe diameters.
The utility model has the following contents:
the utility model aims at providing a be not enough to prior art, and provide a combination formula air heater unit with built-in air inlet is taken over, it takes over the setting at air heater unit's box inner wall with the air inlet, can be connected with the connecting pipeline of multiple pipe diameter simultaneously.
A combined hot air unit with a built-in air inlet connecting pipe comprises an outer box body of the hot air unit, wherein an air inlet is formed in the side wall of one side of the outer box body, an inner air inlet connecting pipe communicated with the air inlet is fixed on the inner wall of the outer box body, an annular inner baffle plate is formed at the inner end of the inner air inlet connecting pipe, a conical inner inserting pipe is formed in the inner ring of the inner baffle plate, and the inner inserting pipe is inserted into the inner air inlet connecting pipe; a plurality of gaps are formed in the inner side wall of the air inlet, and a plurality of internal thread column sleeves covering the gaps are fixedly welded on the outer wall of the internal air inlet connecting pipe; two semicircular limiting clamp plates are inserted into the air inlets at two sides of the inner inserting pipe, a plurality of support lugs are formed on the outer ring of each limiting clamp plate, the support lugs are inserted into the notches of the outer box body and are connected with fastening bolts in an inserting mode, and the fastening bolts are screwed in the inner thread column sleeves; the limiting clamping plate is screwed with a plurality of clamping bolts parallel to the fastening bolts.
Preferably, the air inlet on the outer box body is a round hole, the aperture of the air inlet is equal to the inner diameter of the inner air inlet connecting pipe, and the inner wall of the inner air inlet connecting pipe and the inner side wall of the air inlet are in the same cylindrical surface.
Preferably, the inner inserting pipe on the inner air inlet connecting pipe is positioned at the inner side of the outer box body, and the pipe diameter of the outer end of the inner inserting pipe is smaller than that of the inner end of the inner inserting pipe.
Preferably, the central axis of the inner inserting pipe coincides with the central axis of the inner air inlet connecting pipe, the outer ring of the limiting clamp plate abuts against the inner side wall of the air inlet, and the diameter of the inner ring of the limiting clamp plate is larger than the outer diameter of the inner inserting pipe.
Preferably, at least two clamping bolts are arranged on the same limiting clamping plate, and the clamping bolts are uniformly distributed in an annular shape around the central axis of the inner inserting pipe.
Preferably, the head of the fastening bolt and the head of the clamping bolt are inserted into the notch and the air inlet of the outer box body.
Preferably, the outer end of the internal thread column sleeve and the inner wall of the outer box body are welded and fixed together.
The beneficial effects of the utility model reside in that:
the hot air unit arranges the air inlet connecting pipe on the inner wall of the box body in an improved way, so that the problem of interference during transportation is solved; and the connecting structure of the air inlet connecting pipe can be fixedly connected with connecting pipelines with various pipe diameters, so that the universality is good.
Description of the drawings:
FIG. 1 is a schematic perspective view of a conventional combined hot air blower set;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of the front view of the present invention in a partial sectional structure;
fig. 5 is a schematic view of a half section of the air inlet connecting pipe in the front view direction of the utility model.
In the figure: 1. an outer case; 11. an air inlet; 12. a notch; 2. an inner air inlet connecting pipe; 21. an inner baffle; 22. inserting a tube; 3. an internal thread column sleeve; 31. a retainer ring; 4. a limiting clamp plate; 41. supporting a lug; 5. fastening a bolt; 6. and clamping the bolt.
The specific implementation mode is as follows:
example (b): as shown in fig. 2 to 5, a combined hot air unit with a built-in air inlet connection pipe comprises an outer box body 1 of the hot air unit, wherein an air inlet 11 is formed on the side wall of one side of the outer box body 1, an inner air inlet connection pipe 2 communicated with the air inlet 11 is fixed on the inner wall of the outer box body 1, a circular inner baffle plate 21 is formed at the inner end of the inner air inlet connection pipe 2, a conical inner insertion pipe 22 is formed at the inner ring of the inner baffle plate 21, and the inner insertion pipe 22 is inserted into the inner air inlet connection pipe 2; a plurality of gaps 12 are formed in the inner side wall of the air inlet 11, and a plurality of internal thread column sleeves 3 covering the gaps 12 are fixedly welded on the outer wall of the internal air inlet connecting pipe 2; two semicircular annular limiting clamp plates 4 are inserted into the air inlets 11 on the two sides of the inner inserting tube 22, a plurality of support lugs 41 are formed on the outer ring of each limiting clamp plate 4, the support lugs 41 are inserted into the notches 12 of the outer box body 1 and are inserted with fastening bolts 5, and the fastening bolts 5 are screwed in the inner thread column sleeves 3; the limiting clamping plate 4 is screwed with a plurality of clamping bolts 6 parallel to the fastening bolts 5.
Preferably, the air inlet 11 on the outer box body 1 is a circular hole, the aperture of the air inlet 11 is equal to the inner diameter of the inner air inlet connecting pipe 2, and the inner wall of the inner air inlet connecting pipe 2 and the inner side wall of the air inlet 11 are in the same cylindrical surface.
Preferably, the inner intubation tube 22 on the inner air intake nozzle 2 is located inside the outer box 1, and the tube diameter of the outer end of the inner intubation tube 22 is smaller than that of the inner end of the inner intubation tube 22.
Preferably, the central axis of the inner inserting tube 22 coincides with the central axis of the inner air inlet connecting tube 2, the outer ring of the limiting clamp plate 4 abuts against the inner side wall of the air inlet 11, and the diameter of the inner ring of the limiting clamp plate 4 is larger than the outer diameter of the inner inserting tube 22.
Preferably, at least two clamping bolts 6 are arranged on the same limiting clamping plate 4, and the clamping bolts 6 are uniformly distributed around the central axis of the inner inserting pipe 22 in an annular shape.
Preferably, the head of the fastening bolt 5 and the head of the clamping bolt 6 are inserted into the notch 12 and the air inlet 11 of the outer box 1.
Preferably, the outer end of the internal thread column sleeve 3 is welded and fixed with the inner wall of the outer box body 1.
The working principle is as follows: the utility model discloses a combination formula air heater group with built-in air inlet is taken over, its air heater group installs and is fixed with interior air inlet and takes over 2 on outer box 1, interior air inlet takes over 2 shaping has interior intubate 22, before the external pipeline of installation, dismantle spacing splint 4 earlier, then can the plug bush with external pipeline on interior intubate 22, interior intubate 22 conical structure can with the pipeline looks adaptation of multiple external pipe diameter, then insert spacing splint 4, utilize fastening bolt 5 to fix spacing splint 4 on air heater group's outer box 1, press from both sides dress bolt 6 through adjusting, realize pressing dress bolt 6 and hold on the flange of external pipeline, and then realize that external pipeline centre gripping fixes on outer box 1.
The described embodiments are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be defined by the appended claims.
Claims (7)
1. The utility model provides a combination formula hot-blast unit with built-in air inlet is taken over, includes outer box (1) of hot-blast unit, and the shaping has air intake (11), its characterized in that on the lateral wall of outer box (1) one side: an inner air inlet connecting pipe (2) communicated with an air inlet (11) is fixed on the inner wall of the outer box body (1), a circular inner baffle plate (21) is formed at the inner end of the inner air inlet connecting pipe (2), a conical inner inserting pipe (22) is formed at the inner ring of the inner baffle plate (21), and the inner inserting pipe (22) is inserted into the inner air inlet connecting pipe (2); a plurality of notches (12) are formed in the inner side wall of the air inlet (11), and a plurality of internal thread column sleeves (3) covering the notches (12) are fixedly welded on the outer wall of the internal air inlet connecting pipe (2); two semicircular annular limiting clamp plates (4) are inserted into the air inlets (11) on the two sides of the inner inserting pipe (22), a plurality of support lugs (41) are formed in the outer ring of each limiting clamp plate (4), the support lugs (41) are inserted into the notches (12) of the outer box body (1) and are inserted with fastening bolts (5), and the fastening bolts (5) are in threaded connection with the inner thread column sleeves (3); the limiting clamping plate (4) is screwed with a plurality of clamping bolts (6) which are parallel to the fastening bolts (5).
2. The combined hot air unit with the built-in air inlet connecting pipe as claimed in claim 1, wherein: an air inlet (11) in the outer box body (1) is a round hole, the aperture of the air inlet (11) is equal to the inner diameter of the inner air inlet connecting pipe (2), and the inner wall of the inner air inlet connecting pipe (2) and the inner side wall of the air inlet (11) are in the same cylindrical surface.
3. The combined hot air unit with the built-in air inlet connecting pipe as claimed in claim 1, wherein: an inner inserting pipe (22) on the inner air inlet connecting pipe (2) is located on the inner side of the outer box body (1), and the pipe diameter of the outer end of the inner inserting pipe (22) is smaller than that of the inner end of the inner inserting pipe (22).
4. The combined hot air unit with the built-in air inlet connecting pipe according to claim 2, characterized in that: the central axis of the inner inserting pipe (22) is coincident with the central axis of the inner air inlet connecting pipe (2), the outer ring of the limiting clamping plate (4) is abutted to the inner side wall of the air inlet (11), and the diameter of the inner ring of the limiting clamping plate (4) is larger than the outer pipe diameter of the inner inserting pipe (22).
5. The combined hot air unit with the built-in air inlet connecting pipe as claimed in claim 4, wherein: the limiting clamping plate (4) is at least provided with two clamping bolts (6), and the clamping bolts (6) are uniformly distributed in an annular mode around the central axis of the inner inserting pipe (22).
6. The combined hot air unit with the built-in air inlet connecting pipe as claimed in claim 1, wherein: the head of the fastening bolt (5) and the head of the clamping bolt (6) are inserted into the gap (12) and the air inlet (11) of the outer box body (1).
7. The combined hot air unit with the built-in air inlet connecting pipe as claimed in claim 1, wherein: the outer end of the internal thread column sleeve (3) is welded and fixed with the inner wall of the outer box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222214417.0U CN218154809U (en) | 2022-08-23 | 2022-08-23 | Combined hot air unit with built-in air inlet connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222214417.0U CN218154809U (en) | 2022-08-23 | 2022-08-23 | Combined hot air unit with built-in air inlet connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218154809U true CN218154809U (en) | 2022-12-27 |
Family
ID=84552679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222214417.0U Active CN218154809U (en) | 2022-08-23 | 2022-08-23 | Combined hot air unit with built-in air inlet connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218154809U (en) |
-
2022
- 2022-08-23 CN CN202222214417.0U patent/CN218154809U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218154809U (en) | Combined hot air unit with built-in air inlet connecting pipe | |
| RU2564188C1 (en) | Gas device for bolts heating | |
| US6702338B2 (en) | Flue gas conduit joining connection | |
| CN116532901A (en) | Combustion chamber flame tube pre-evaporation tube mounting clamp easy to assemble | |
| CN205445759U (en) | Engine exhaust structure | |
| CN204163819U (en) | Exhaust pipe connection structure and there is the automobile exhaust pipe assembly of this structure | |
| CN106885085A (en) | A kind of quick connector composite module | |
| CN201944484U (en) | Air conditioner connecting tube plug | |
| US20100071635A1 (en) | Watertube and method of making and assembling same within a boiler or heat exchanger | |
| CN204739319U (en) | Pipe fitting pipe clamp | |
| CN103133804A (en) | Quick-inserting and quick-drawing device | |
| CN213408036U (en) | Waste gas filtering system for medicine synthesis | |
| CN215063978U (en) | High-frequency tube capable of being sleeved for automobile radiator | |
| CN201723883U (en) | Pipe fitting quick change connection device | |
| CN218378120U (en) | Quick connecting piece for ventilating duct | |
| CN216344451U (en) | Joint | |
| CN216344448U (en) | Novel air inlet hose assembly | |
| CN2127134Y (en) | Plug type flexible pipe joint | |
| CN218315194U (en) | Flat plastic double-wall corrugated pipe extruder head | |
| CN219327866U (en) | Pipeline connection structure | |
| CN214426145U (en) | Installation structure of bellows of many suitability | |
| CN213117960U (en) | Tee pipe fitting for petrochemical industry | |
| CN212362114U (en) | Gas stove convenient to take over | |
| CN213117882U (en) | Multi-connected groove key structure | |
| CN220056972U (en) | Tube head structure of steam device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |