CN116532458A - Internal air supplementing energy-saving ventilating cabinet structure - Google Patents
Internal air supplementing energy-saving ventilating cabinet structure Download PDFInfo
- Publication number
- CN116532458A CN116532458A CN202310743227.4A CN202310743227A CN116532458A CN 116532458 A CN116532458 A CN 116532458A CN 202310743227 A CN202310743227 A CN 202310743227A CN 116532458 A CN116532458 A CN 116532458A
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- air
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- side plate
- exhaust
- cabinet structure
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- 230000001502 supplementing effect Effects 0.000 title claims abstract description 11
- 239000003517 fume Substances 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000003020 moisturizing effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 6
- 235000009537 plain noodles Nutrition 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of a fume hood, in particular to an internal air supplementing energy-saving fume hood structure, two ends of a rear side plate and a front side plate are provided with motors, the front ends of the motors are rotationally connected with semi-ring gears, one half of the circular arc end faces of the semi-ring gears are teeth distributed in a circumferential array, the other ends of the semi-ring gears are provided with semi-circular smooth surfaces, and the teeth on the semi-ring gears are meshed with a toothed plate, so that the invention has the beneficial effects that: through setting up the drive of gear and pinion rack, reach the purpose of extrusion folding gasbag, thereby increase the internal pressure, improve the exhaust efficiency, through setting up the semi-ring gear, when tooth and pinion rack meshing, the extrusion folding gasbag of drive reaches the purpose of pressure boost exhaust, when rotating to semicircle plain noodles and pinion rack contact, the drive extrusion force disappears, under the inflation of admitting air, the folding gasbag of drive resets, so form circulating pressure boost exhaust, thereby the adaptation has the air current filtration exhaust of filter layer, exhaust efficiency is greatly improved, exhaust fan's power has been reduced, and energy-conserving efficiency has been improved.
Description
Technical Field
The invention relates to the technical field of fume hoods, in particular to an internal air supplementing energy-saving fume hood structure.
Background
The cabinet type exhaust hood is commonly called a fume hood and is similar to a closed hood. The small part paint spray cabinet and the chemical laboratory fume hood are typical structures of cabinet type exhaust hoods. A large-sized chamber type fume hood is provided, one side surface of the large-sized chamber type fume hood is completely opened, and an operator works in the large-sized chamber type fume hood and is mainly used for large-sized paint spraying, powder bagging and the like. The working opening of the fume hood has great influence on the air flow distribution in the hood, and the air flow distribution directly influences the working effect of the cabinet type exhaust hood.
In the existing fume hood, the discharged air flow is required to be filtered in the exhaust process, and a contradictory relationship exists between the filtering layer and the exhaust efficiency, so that the higher the density of the filtering layer is, the better the filtering efficiency is, and the lower the exhaust efficiency is, the lower the efficiency of the air flow exhaust is easily caused in the filtering and exhaust process, so that the air flow is accumulated in the fume hood, the internal pressure is increased, the inner wall of the fume hood is expanded, and the deformation is caused.
And the existing fume hood is difficult to carry out circulating type supercharging exhaust, so that the exhaust efficiency is improved by increasing the exhaust power, the flow rate of air flow is adapted, the energy waste is serious, and the efficiency is low.
Disclosure of Invention
The invention aims to provide an internal air supplementing energy-saving ventilating cabinet structure so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an interior energy-conserving fume chamber structure of moisturizing, interior energy-conserving fume chamber structure of moisturizing includes:
the upper end of the fume hood is provided with an exhaust disc, a fan air extractor is arranged in an inner cavity of the fume hood, the upper end of the fume hood is symmetrically provided with a pair of air inlet pipelines communicated with the output end of the fan air extractor, the upper end of the exhaust disc is provided with a pair of rear side plates and front side plates which are distributed at intervals from front to back, a guide sleeve arranged between the rear side plates and the front side plates is vertically arranged in the middle of the upper end of the exhaust disc, the lower end of the guide sleeve is communicated with the inner cavity of the exhaust disc, the circular arc outer wall of the exhaust disc is provided with a filter screen ring, and a conical guide cone block is arranged in the middle of the inner cavity of the lower end of the exhaust disc;
the air supplementing treatment device comprises a three-way pipe, an air guide hose and a folding air bag, wherein the three-way pipe is positioned in the middle of a gap between a rear side plate and a front side plate, an air pipe which is matched and inserted with a guide sleeve in a sliding manner is arranged at the lower end of the three-way pipe, a pair of air guide hoses are symmetrically connected at two ends of the three-way pipe, the other ends of the air guide hoses are connected with a fixed plate, the front end and the rear end of the fixed plate are fixedly welded on the rear side plate and the front side plate, the other side of the fixed plate is provided with the folding air bag, the folding air bag is communicated with the air guide hoses, the end part of the folding air bag is provided with an end block, a one-way valve is arranged on the end block, the one-way valve is connected with an air inlet pipeline, the other end of the one-way valve is communicated with the folding air bag, a connecting rod is arranged on the outer wall of the front end of the one-way valve, toothed plates which extends to the outer sides of the rear side plate and the front side plate are transversely provided with motors, the two ends of the rear side plate and the front side plate are rotationally connected with semi-ring gears, one-ring faces of the semi-ring gears are arranged on the front ends of the motors, the semi-ring faces of the semi-ring faces are distributed in circular arrays, teeth are meshed with the semi-ring faces, and the teeth on the semi-ring faces are meshed with the teeth on the toothed faces, and the toothed faces of the toothed plates.
Preferably, a pair of vertically extending side grooves symmetrically distributed in a circumferential array are formed in the inner wall of the guide sleeve, a fixing ring is fixedly sleeved at the end part of the extending air outlet pipe, and a sliding block matched with the side grooves in a sliding and inserting mode is arranged on the outer wall of the fixing ring.
Preferably, the folding air bag, the air guide hose and the three-way pipe are connected in a sealing way through a flange, and a long-strip-shaped filtering filling layer is arranged in the air guide hose.
Preferably, the front end and the rear end of the three-way pipe are respectively provided with a right-angle cylinder, one end of the right-angle cylinder is opposite to the fixed ring, and one end of the right-angle cylinder is in sliding connection with a push rod fixedly connected with the fixed ring.
Preferably, the end part of the vertical section of the right-angle cylinder extends to one side of the end block, a side frame which is inserted into the inner cavity of the right-angle cylinder in a sliding manner is arranged on the end block, and pistons which are in sliding fit with the inner wall of the right-angle cylinder are arranged at the end parts of the side frame and the push rod.
Preferably, the outer walls of the rear side plate and the front side plate are respectively provided with a positioning sleeve extending transversely, the positioning sleeves are arranged at the same height as the toothed plate, the end parts of the toothed plate are provided with inserted bars, and the inserted bars are inserted into the positioning sleeves in a sliding manner.
Preferably, the outer wall of inserted bar is provided with a pair of spacing that circumference array distributes, be provided with the spacing groove of pegging graft with spacing cooperation on the positioning sleeve's the inner wall, the length of inserted bar is less than positioning sleeve's length.
Preferably, the end part of the inserted link is connected with a spring, the other end of the spring is pressed on the inner wall of the end part of the positioning sleeve, and the compression amount of the spring is equal to the length of the toothed plate.
Preferably, extension frames are arranged at two ends of the rear side plate and the front side plate, and the motor is fixedly arranged on the extension frames.
Preferably, the number of semicircular teeth of the semicircular gear is equal to the number of teeth of the toothed plate, and the outer diameter of the semicircular smooth surface is smaller than the outer diameter of the teeth on the semicircular gear.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the purpose of extruding the folding air bag is achieved by arranging the gears and the toothed plates for driving, so that the internal pressure is increased, the exhaust efficiency is improved, the semi-ring gears are arranged, when the teeth are meshed with the toothed plates, the extruding folding air bag is driven, the purpose of pressurizing and exhausting is achieved, when the semi-circular smooth surface is rotated to be contacted with the toothed plates, the extruding force is eliminated, and the folding air bag is driven to reset under the condition of air inlet expansion, so that the circulating pressurizing and exhausting is formed, the air flow with the filter layer is adapted to filter and exhaust, the exhaust efficiency is greatly improved, the power of an exhaust fan is reduced, and the energy-saving efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of a wind make-up processing apparatus according to the present invention;
FIG. 2 is a schematic diagram of a wind supplementing device according to the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of a three-way pipe fluid structure according to the present invention;
FIG. 5 is a schematic perspective view of a ventilation treatment device according to the present invention;
FIG. 6 is a schematic side view of a wind make-up treatment device according to the present invention;
fig. 7 is an enlarged view of the structure at a in fig. 6.
In the figure: 1. a fume hood; 2. an exhaust tray; 3. a rear side plate; 4. a front side plate; 5. an air intake duct; 6. a side frame; 7. a toothed plate; 8. a half ring gear; 9. positioning the sleeve; 10. a filter screen ring; 11. a flow guiding cone block; 12. a three-way pipe; 13. extending an air outlet pipe; 14. a right-angle cylinder; 15. an air guide hose; 16. a fixing plate; 17. filtering the filling layer; 18. folding the air bag; 19. an end block; 20. a one-way valve; 21. a guide sleeve; 22. a side groove; 23. a slide block; 24. a fixing ring; 25. a push rod; 26. a rod; 27. a limit bar; 28. a spring; 29. a motor; 30. a semicircular smooth surface; 31. an extension frame; 32. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution:
example 1: an internal air supplementing energy-saving ventilating cabinet structure comprises a ventilating cabinet 1 and an air supplementing treatment device.
The upper end of fume chamber 1 is provided with exhaust disc 2, be provided with fan air exhaust device in the inner chamber of fume chamber 1, the upper end symmetry of fume chamber 1 is provided with a pair of air inlet duct 5 that communicates fan air exhaust device output, the upper end of exhaust disc 2 is provided with a pair of posterior lateral plate 3 and the preceding curb plate 4 of front and back interval distribution, vertical guide sleeve 21 that is located between posterior lateral plate 3 and the preceding curb plate 4 in the middle of the upper end of exhaust disc 2, the inner chamber of guide sleeve 21's lower extreme intercommunication exhaust disc 2, the circular arc outer wall of exhaust disc 2 sets up to filter screen ring 10, be provided with conical guide cone piece 11 in the middle of the lower extreme inner chamber of exhaust disc 2.
The purpose of lateral exhaust is achieved by arranging the exhaust disc 2, so that the impact of air flow is reduced.
The air supplementing treatment device comprises a three-way pipe 12, an air guide hose 15 and a folding air bag 18, wherein the three-way pipe 12 is positioned in the middle of a gap between the rear side plate 3 and the front side plate 4, an air extending pipe 13 matched with a guide sleeve 21 for sliding insertion is arranged at the lower end of the three-way pipe 12, a pair of air guide hoses 15 are symmetrically connected at two ends of the three-way pipe 12, the other end of each air guide hose 15 is connected with a fixing plate 16, the front end and the rear end of each fixing plate 16 are fixedly welded on the rear side plate 3 and the front side plate 4, the folding air bag 18 is arranged on the other side of each fixing plate 16, the folding air bag 18 is communicated with the corresponding air guide hose 15, the folding air bag 18, the corresponding air guide hose 15 and the three-way pipe 12 are in sealing connection through a flange, and a strip-shaped filtering filling layer 17 is arranged in the corresponding air guide hose 15.
The filtering of the discharged air flow is realized through the filtering filling layer 17, the air flow is transported to the folding air bag 18 and the air guide hose 15 along the air inlet pipeline 5 through the fan in the ventilation cabinet 1, and then the air is discharged through the extension air pipe 13.
The end of folding gasbag 18 is provided with end block 19, be provided with check valve 20 on the end block 19, check valve 20 connects admission line 5, the other end intercommunication folding gasbag 18 of check valve 20, the front end outer wall of check valve 20 is provided with connecting rod 32, the tip of connecting rod 32 transversely is provided with the pinion rack 7 that extends to the posterior lateral plate 3 and the front lateral plate 4 outside, the both ends of posterior lateral plate 3 and front lateral plate 4 are provided with motor 29, motor 29's front end rotates and is connected with half ring gear 8, half ring gear 8's circular arc terminal surface is the tooth that circumference array distributes, half ring gear 8's the other end sets up to semicircle plain noodles 30, tooth and pinion rack 7 meshing on the half ring gear 8 are connected, half ring tooth number of half ring gear 8 equals the tooth number of pinion rack 7, and the external diameter of semicircle plain noodles 30 is less than the external diameter of tooth on the half ring gear 8.
Through setting up motor 29 driven semi-ring gear 8 to when tooth and pinion rack 7 meshing, drive pinion rack 7 transversely slides, and then pull end piece 19 side direction extrusion folding gasbag 18, make folding gasbag 18 volume reduce, the internal pressure increases, reach the purpose of pressure boost exhaust, when rotating to semicircle plain noodles 30 and pinion rack 7 contact, drive extrusion force disappears, under the inflation of admitting air, the folding gasbag 18 of drive resets, so form circulating pressure boost exhaust, thereby the adaptation has the air current filtration exhaust of filtering filling layer 17, the efficiency of exhaust has been improved greatly, exhaust fan's power has been reduced.
Example 2: on the basis of embodiment 1, a pair of vertically extending side grooves 22 symmetrically distributed in a circumferential array are formed in the inner wall of the guide sleeve 21, a fixing ring 24 is fixedly sleeved at the end part of the extending air pipe 13, and a sliding block 23 matched with the side grooves 22 in sliding connection is arranged on the outer wall of the fixing ring 24.
By providing the cooperation of the slide 23 and the side groove 22, the sliding position of the extended air tube 13 on the guide sleeve 21 is defined.
The front end and the rear end of the three-way pipe 12 are respectively provided with a right-angle cylinder 14, one end of the right-angle cylinder 14 is opposite to the fixed ring 24, one end of the right-angle cylinder 14 is in sliding connection with a push rod 25 fixedly connected with the fixed ring 24, the end part of the vertical section of the right-angle cylinder 14 extends to one side of the end block 19, the end block 19 is provided with a side frame 6 in sliding connection with the inner cavity of the right-angle cylinder 14, and the end parts of the side frame 6 and the push rod 25 are respectively provided with a piston in sliding connection with the inner wall of the right-angle cylinder 14.
In the lateral sliding process of the folding air bag 18, the side frame 6 is driven to slide in the right-angle air cylinder 14, so that the internal pressure is increased, the synchronous driving push rod 25 pushes the fixing ring 24 to move downwards, the three-way pipe 12 is enabled to deflect downwards, the air guide hose 15 is driven to incline along one side of the fixing plate 16, lateral inclined stretching is formed, the filter filling layer 17 is driven to expand and extrude in the circulating reciprocating motion process, and the condition that the filter filling layer 17 is blocked in the filtering process is avoided.
Example 3: on the basis of embodiment 2, the outer walls of the rear side plate 3 and the front side plate 4 are both provided with a positioning sleeve 9 which extends transversely, the positioning sleeve 9 is arranged at the same height as the toothed plate 7, the end part of the toothed plate 7 is provided with an inserting rod 26, the inserting rod 26 is slidably inserted into the positioning sleeve 9, the outer wall of the inserting rod 26 is provided with a pair of limiting strips 27 distributed in a circumferential array, the inner wall of the positioning sleeve 9 is provided with a limiting groove matched with the limiting strips 27, the length of the inserting rod 26 is smaller than that of the positioning sleeve 9, the end part of the inserting rod 26 is connected with a spring 28, the other end of the spring 28 is pressed on the inner wall of the end part of the positioning sleeve 9, and the compression amount of the spring 28 is equal to the length of the toothed plate 7. The rear side plate 3 and the front side plate 4 are provided with extension frames 31 at both ends, and the motor 29 is fixedly mounted on the extension frames 31.
Through setting up the cooperation of locating sleeve 9, inserted bar 26 and spacing 27, reach the mesh of limiting the transverse movement of pinion rack 7, guarantee transverse driving's stability, utilize spring 28 to form the elasticity extrusion simultaneously, under spring 28's reset elasticity, improve folding gasbag 18's reset speed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An interior moisturizing energy-conserving fume chamber structure, its characterized in that: the energy-conserving fume chamber structure of interior moisturizing includes:
the novel air conditioner comprises an air cabinet (1), wherein an air exhaust disc (2) is arranged at the upper end of the air cabinet (1), fan air exhaust devices are arranged in an inner cavity of the air cabinet (1), a pair of air inlet pipelines (5) communicated with the output ends of the fan air exhaust devices are symmetrically arranged at the upper end of the air cabinet (1), a pair of rear side plates (3) and front side plates (4) which are distributed at intervals from front to back are arranged at the upper end of the air exhaust disc (2), a guide sleeve (21) positioned between the rear side plates (3) and the front side plates (4) is vertically arranged in the middle of the upper end of the air exhaust disc (2), the lower end of the guide sleeve (21) is communicated with the inner cavity of the air exhaust disc (2), a filter screen ring (10) is arranged on the outer arc wall of the air exhaust disc (2), and a conical guide cone block (11) is arranged in the middle of the inner cavity at the lower end of the air exhaust disc (2).
The air supplementing treatment device comprises a three-way pipe (12), an air guide hose (15) and a folding air bag (18), wherein the three-way pipe (12) is positioned in the middle of a gap between a rear side plate (3) and a front side plate (4), an air pipe (13) which is matched with a guide sleeve (21) and is in sliding connection is arranged at the lower end of the three-way pipe (12), a pair of air guide hoses (15) are symmetrically connected at two ends of the three-way pipe (12), the other ends of the air guide hoses (15) are connected with a fixed plate (16), the front end and the rear end of the fixed plate (16) are fixedly welded on the rear side plate (3) and the front side plate (4), the other side of the fixed plate (16) is provided with the folding air bag (18), the folding air bag (18) is communicated with the air guide hoses (15), an end block (19) is arranged at the end part of the folding air bag (18), a one-way valve (20) is arranged on the end block (19), the other end of the one-way valve (20) is connected with the air inlet pipe (5), the other end of the one-way valve (20) is communicated with the folding air bag (18), the front end (20) is provided with a connecting rod (32) and the front end (32) of the connecting rod (32) is arranged on the front side plate (4), the novel semi-ring gear is characterized in that motors (29) are arranged at two ends of the rear side plate (3) and the front side plate (4), semi-ring gears (8) are rotatably connected to the front ends of the motors (29), one half of the arc end faces of the semi-ring gears (8) are teeth distributed in a circumferential array, the other ends of the semi-ring gears (8) are arranged to be semi-circular smooth surfaces (30), and the teeth on the semi-ring gears (8) are meshed with the toothed plates (7).
2. The internal air-supplementing energy-saving ventilating cabinet structure according to claim 1, wherein: a pair of vertically extending side grooves (22) symmetrically distributed in a circumferential array are formed in the inner wall of the guide sleeve (21), a fixing ring (24) is fixedly sleeved at the end part of the extending air pipe (13), and a sliding block (23) matched with the side grooves (22) in sliding connection is arranged on the outer wall of the fixing ring (24).
3. An internal air-supplementing energy-saving ventilating cabinet structure as defined in claim 2, wherein: the folding air bag (18), the air guide hose (15) and the three-way pipe (12) are connected in a sealing mode through flange plates, and a long-strip-shaped filtering filling layer (17) is arranged in the air guide hose (15).
4. An internal air-supplementing energy-saving ventilating cabinet structure according to claim 3, wherein: the three-way pipe (12) is characterized in that right-angle air cylinders (14) are respectively arranged at the front end and the rear end of the three-way pipe (12), one end of each right-angle air cylinder (14) is opposite to the corresponding fixing ring (24), and a push rod (25) fixedly connected with the corresponding fixing ring (24) is inserted into one end of each right-angle air cylinder (14) in a sliding manner.
5. The internal air-supplementing energy-saving ventilating cabinet structure according to claim 4, wherein: the end part of the vertical section of the right-angle cylinder (14) extends to one side of the end block (19), the end block (19) is provided with a side frame (6) which is inserted into the inner cavity of the right-angle cylinder (14) in a sliding manner, and the end parts of the side frame (6) and the push rod (25) are respectively provided with a piston which is in sliding fit with the inner wall of the right-angle cylinder (14).
6. The internal air-supplementing energy-saving ventilating cabinet structure according to claim 1, wherein: the outer walls of the rear side plate (3) and the front side plate (4) are respectively provided with a transversely extending positioning sleeve (9), the positioning sleeves (9) are arranged at the same height as the toothed plate (7), the end part of the toothed plate (7) is provided with an inserting rod (26), and the inserting rod (26) is slidably inserted into the positioning sleeves (9).
7. The internal air-supplementing energy-saving ventilating cabinet structure according to claim 6, wherein: the outer wall of inserted bar (26) is provided with a pair of spacing (27) of circumference array distribution, be provided with the spacing groove of pegging graft with spacing (27) cooperation on the inner wall of locating sleeve (9), the length of inserted bar (26) is less than the length of locating sleeve (9).
8. The internal air-supplementing energy-saving ventilating cabinet structure as set forth in claim 7, wherein: the end of the inserted link (26) is connected with a spring (28), the other end of the spring (28) is pressed on the inner wall of the end of the positioning sleeve (9), and the compression amount of the spring (28) is equal to the length of the toothed plate (7).
9. The internal air-supplementing energy-saving ventilating cabinet structure according to claim 1, wherein: the two ends of the rear side plate (3) and the front side plate (4) are respectively provided with an extension frame (31), and the motor (29) is fixedly arranged on the extension frames (31).
10. The internal air-supplementing energy-saving ventilating cabinet structure according to claim 1, wherein: the number of semicircular teeth of the semicircular gear (8) is equal to that of teeth of the toothed plate (7), and the outer diameter of the semicircular smooth surface (30) is smaller than that of teeth on the semicircular gear (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310743227.4A CN116532458A (en) | 2023-06-21 | 2023-06-21 | Internal air supplementing energy-saving ventilating cabinet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310743227.4A CN116532458A (en) | 2023-06-21 | 2023-06-21 | Internal air supplementing energy-saving ventilating cabinet structure |
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|---|---|
| CN116532458A true CN116532458A (en) | 2023-08-04 |
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| CN202310743227.4A Pending CN116532458A (en) | 2023-06-21 | 2023-06-21 | Internal air supplementing energy-saving ventilating cabinet structure |
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