Semitrailer carriage with ventilation structure
By designing ventilation structures such as exhaust hoods and air intake hoods in the semi-trailer cargo box, and using airflow to drive scrapers and rollers to clean impurities, the problems of high energy consumption and insufficient automatic cleaning in existing technologies are solved, achieving low-energy automatic ventilation and efficient impurity cleaning.
Patent Information
- Application Number
- CN202423010291.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-06
AI Technical Summary
The existing ventilation system of semi-trailer cargo compartments requires continuous power supply, resulting in high energy consumption, and lacks a structure for automatically cleaning filters.
A ventilation structure with an exhaust hood and an intake hood was designed. The airflow drives the impeller to rotate, which in turn drives the scraper and roller to automatically clean the impurities on the filter screen. Combined with the radiator to assist ventilation, automatic ventilation and impurity discharge are achieved.
It achieves low-energy automatic ventilation, reduces power consumption, and lowers maintenance costs and improves the efficiency of the ventilation system through automatic structure cleaning.
Smart Images

Figure CN223466972U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of semitrailer carriage, in particular to a semitrailer carriage with ventilation structure. BACKGROUND
[0002] The closed side protective fence design of the van transport semitrailer effectively reduces the transverse risk when the vehicle is running at high speed, reduces energy consumption, and the rear protection design has reasonable cart accessories, which facilitates operation. It is modified on the chassis of a van or manufactured separately, and the semitrailer carriage is usually equipped with a ventilation structure to adapt to different transportation environments.
[0003] The technical solution disclosed in Chinese patent with authorization announcement No. CN219154597U cooperates between the steel plate and the lining plate structure, effectively intercepts the goods side according to the height of the goods inside the carriage, guarantees the stability of the goods transportation, and the steel plate is more flexible, the air flow inside the carriage is guaranteed by the fan when transporting fresh and live things, and the fresh and live things are effectively transported.
[0004] However, the device still has the following problems: the ventilation structure of the device needs to be continuously powered, the energy consumption is high, and the air inlet system of the device lacks a structure for automatically cleaning the filter. UTILITY MODEL CONTENT
[0005] The utility model aims at the problems in the background art and provides a semitrailer carriage with ventilation structure.
[0006] The technical scheme of the utility model: a semitrailer carriage with ventilation structure, comprising a carriage, an exhaust hood communicated with the inside of the carriage is arranged on one end of the carriage away from the vehicle head, and an air outlet is arranged on one side of the exhaust hood away from the vehicle head.
[0007] An air inlet hood is connected with the carriage, the air inlet hood is located on one side of the carriage close to the vehicle head, a partition is arranged in the air inlet hood to divide the air inlet hood into a channel A and a channel B communicated at the top end, a channel C with an open bottom communicated with the outside is arranged on the partition, the channel B is communicated with the inside of the carriage, and an air inlet B communicated with the channel A is arranged on one side of the air inlet hood close to the vehicle head.
[0008] A filter screen is located between the interface of the channel A and the channel B and is connected with the inner wall of the air inlet hood and the upper wall of the partition.
[0009] A scraper is slidingly connected with one side of the filter screen close to the channel A.
[0010] A rotating roller is arranged in the rotating channel C, and a material receiving groove is arranged on the rotating roller.
[0011] The lifting driving assembly is located in the air inlet cover and drives the scraper to slide reciprocally in the working state to clean the filter screen cyclically and press the impurities cleaned off into the channel C.
[0012] The transmission assembly is in transmission connection with the scraper and the material receiving assembly and drives the turnover roller to overturn in the process of sliding of the scraper in the channel C to discharge the impurities in the material receiving groove out of the air inlet cover through the overturned turnover roller.
[0013] Preferably, the air outlet cover is provided with an air inlet A downwardly opening and communicating with the inside thereof, the air inlet A communicates with the inside of the carriage, and the air outlet is provided with a radiator for discharging air outwardly.
[0014] Preferably, two fixed plates are symmetrically arranged in the air outlet cover between the air inlet A and the air outlet, an air outlet channel is arranged between the two fixed plates, a movable plate is arranged in the air outlet cover and is in sliding connection with the inner wall of the air outlet cover, and a hydraulic cylinder A is arranged on the air outlet cover and drives the movable plate to lift to control the opening and closing of the air outlet channel.
[0015] Preferably, a gate is arranged in the air inlet cover and is in sliding connection with the air inlet cover, and a hydraulic cylinder B is arranged on the air inlet cover and drives the gate to lift to control the opening and closing of the air inlet B.
[0016] Preferably, a plurality of guide plates are arranged in the channel A above the air inlet B in a staggered manner, and the guide plates are condensing plates.
[0017] Preferably, a guide frame is arranged in the channel C, the turnover roller is located in the guide frame and is in rotary connection with the guide frame, and two wedge-shaped plates are arranged in the channel C below the guide frame and are inclined outwardly at the two ends thereof.
[0018] Preferably, the lifting driving assembly comprises a reciprocating screw rod, a transmission shaft and an impeller. The reciprocating screw rod is located in the air inlet cover and is in rotary connection with the air inlet cover, and the sliding shuttle of the reciprocating screw rod is connected with the scraper. The transmission shaft is in rotary connection with the partition plate, and the two ends of the transmission shaft are respectively inserted into the channel B and the channel C. The transmission shaft and the reciprocating screw rod are respectively connected with a bevel gear at the proximal end thereof, and the two bevel gears are in meshing connection. The impeller is located in the channel B and is coaxially connected with the transmission shaft.
[0019] Preferably, the transmission assembly comprises a gear and a rack, the gear is coaxially connected with the end portion of the turnover roller, and the rack is connected with the bottom of the scraper.
[0020] Compared with the prior art, the utility model has the beneficial technical effects as follows:
[0021] By setting the exhaust cover and the air inlet cover, the air outlet of the exhaust cover and the air inlet B of the air inlet cover are opposite, in the process of vehicle driving, air enters the vehicle compartment along the air inlet B and is discharged along the air outlet after passing through the vehicle compartment, so as to realize automatic ventilation and air exchange, and the radiator is arranged in the air outlet, when the vehicle is in a stationary state, the radiator is used to assist exhaust, so as to promote the effect of ventilation, and the filter screen and the scraper and the like are arranged in the air inlet cover, in the process of air inlet cover air inlet, the flowing air drives the impeller to rotate, and then drives the reciprocating wire rod to rotate, and then drives the scraper to reciprocate, and after the scraper enters the channel C, the rack drives the rotating roller to rotate, and then the rotating roller discharges the impurities received outside the air inlet cover. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a structural schematic view of an embodiment of the utility model;
[0023] Figure 2 It is an internal structure schematic view of the exhaust cover;
[0024] Figure 3 It is an internal structure schematic view of the air inlet cover;
[0025] Figure 4 It is a connecting structure schematic view of the scraper and the rotating roller.
[0026] Fig. 1, vehicle compartment; 2, exhaust cover; 201, air inlet A; 202, air outlet; 3, radiator; 4, fixed plate; 5, movable plate; 6, hydraulic cylinder A; 7, air inlet cover; 71, channel A; 72, channel B; 73, air inlet B; 8, partition; 81, channel C; 82, wedge plate; 9, gate; 10, hydraulic cylinder B; 11, guide plate; 12, filter screen; 13, scraper; 14, reciprocating wire rod; 15, transmission shaft; 16, impeller; 17, bevel gear; 18, guide frame; 19, rotating roller; 191, material receiving groove; 20, gear; 21, rack. DETAILED DESCRIPTION
[0027] Embodiment one
[0028] As Figures 1-4The utility model provides a half trailer car body with ventilation structure, including car body 1, air inlet cover 7, filter screen 12, scraper 13, rotating roller 19, lifting drive assembly and transmission assembly. Car body 1 is provided with the exhaust hood 2 that communicates with its inside on the one end far from the car head, the air inlet A201 that is provided with the opening downwards and communicates with its inside is set in the exhaust hood 2, the air inlet A201 communicates with the inside of car body 1, the air outlet 202 is set in the exhaust hood 2 on the side far from the car head, and the radiator 3 that exhausts outward is set in the air outlet 202. Air inlet cover 7 is connected with car body 1, air inlet cover 7 is located in the side of car body 1 close to the car head, and the baffle 8 is set in air inlet cover 7, to divide the passageway A71 and passageway B72 that communicate at the top in air inlet cover 7, the passageway C81 that is provided with the bottom opening and communicates with the outside is set on the baffle 8, the passageway B72 communicates with the inside of car body 1, and the air inlet B73 that communicates with passageway A71 is set on the side close to the car head of air inlet cover 7. Filter screen 12 is located between the interface of passageway A71 and passageway B72 and is connected with the inner wall of air inlet cover 7 and the upper wall of baffle 8. Scraper 13 is slidably connected with the side close to passageway A71 of filter screen 12. Guiding frame 18 is set in passageway C81, rotating roller 19 is located in guiding frame 18 and is rotationally connected with it, and material receiving groove 191 is set on rotating roller 19, and two wedge-shaped plates 82 that are inclined outward at both ends are set in passageway C81 below guiding frame 18. Lifting drive assembly is located in air inlet cover 7, and lifting drive assembly includes reciprocating screw rod 14, transmission shaft 15 and impeller 16. Reciprocating screw rod 14 is located in air inlet cover 7 and is rotationally connected with it, and the shuttle of reciprocating screw rod 14 is connected with scraper 13. Transmission shaft 15 is rotationally connected with baffle 8, and the both ends of transmission shaft 15 are respectively inserted into passageway B72 and passageway C81, and the end close to reciprocating screw rod 14 of transmission shaft 15 and reciprocating screw rod 14 is respectively connected with a bevel gear 17, and the two bevel gears 17 are meshingly connected. Impeller 16 is located in passageway B72 and is coaxially connected with transmission shaft 15. Lifting drive assembly drives scraper 13 to reciprocally slide under the working condition, to carry out the cyclic cleaning of filter screen 12, and the impurities cleaned off are pressed into passageway C81. Transmission assembly includes gear 20 and rack 21, gear 20 is coaxially connected with the end of rotating roller 19, rack 21 is connected with the bottom of scraper 13, and in the process that scraper 13 slides in passageway C81, rack 21 is meshed with gear 20 and rotates rotating roller 19 through rack 21 and gear 20, to discharge the impurities in material receiving groove 191 from air inlet cover 7 through the rotating rotating roller 19.
[0029] In the process of vehicle driving, the outside air enters the passage A along the air inlet B73, the rainwater carried in the air sinks and is discharged along the bottom of the air inlet B73, the air without rainwater enters the recent passage A71 and is filtered into the passage B72 through the filter screen 12, the flowing air drives the impeller 16 to rotate and in turn drives the transmission shaft 15 to rotate, in turn drives the reciprocating lead screw 14 to rotate through the two meshing bevel gears 17, the reciprocating lead screw 14 drives the scraper 13 to slide up and down, in the process of the scraper 13 sliding down, the impurities on the filter screen 12 are scraped into the passage C81 and fall into the receiving groove 191, in the state that the scraper 13 continues to slide down, the rack 21 meshes with the gear 20 and drives the gear 20 and the rotating roller 19 to rotate, when the scraper 13 is lowered to the lowest position, the receiving groove 191 is just turned over to the opening downward, the received impurities are discharged and guided to the two sides of the air inlet cover 7 through the wedge-shaped plate 82, the impurities are washed away by the airflow in the process of vehicle driving, when the scraper 13 slides up, the receiving groove 191 is turned over and the opening thereof faces upward, so that the purpose of automatically cleaning the filter screen 12 and automatically removing impurities is achieved.
[0030] Embodiment two
[0031] As shown in Figures 1-3 , the utility model discloses a semi trailer carriage with ventilation structure, compared with embodiment one, two fixed plates 4 are arranged between air inlet A201 and air outlet 202 in the exhaust cover 2, and the exhaust passage is arranged between the two fixed plates 4, the movable plate 5 that is slidably connected with the inner wall of the exhaust cover 2 is arranged in the exhaust cover 2, and the hydraulic cylinder A6 that drives movable plate 5 to lift to control the opening and closure of the exhaust passage is arranged on the exhaust cover 2. The gate 9 that is slidably connected with the air inlet cover 7 is arranged on the air inlet cover 7, and the hydraulic cylinder B10 that drives the gate 9 to lift to control the opening and closure of the air inlet B73 is arranged on the air inlet cover 7.
[0032] In the embodiment, when the inside of the carriage 1 does not need to be ventilated, start the hydraulic cylinder A6 and the hydraulic cylinder B10, pull up the movable plate 5 on the hydraulic cylinder A6 to close the exhaust passage, and press down the gate 9 on the hydraulic cylinder B10 to close the air inlet B73, to avoid the outside air from entering the carriage 1, and to avoid the air in the carriage 1 from being discharged, which is especially suitable for the case of storing frozen food.
[0033] Embodiment three
[0034] As shown in Figure 3 , the utility model discloses a semi trailer carriage with ventilation structure, compared with embodiment one, a plurality of guide plates 11 are arranged staggered above the air inlet B73 in the passage A71, and the guide plate 11 is a condensation plate.
[0035] In this embodiment, the guide plate 11 is used to avoid the rainwater from being directly sucked into the compartment 1 during the raining, and the structure of the condensing plate can also condense the excess water vapor in the air entering the compartment 1, thereby reducing the humidity in the compartment 1.
[0036] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.
Claims
1. A semi-trailer container with a ventilation structure, characterized in that, The utility model relates to a vehicle cabin air filter system, which comprises a vehicle cabin (1) provided with an exhaust cover (2) at one end away from the vehicle head and an air outlet (202) on the side away from the vehicle head; an air inlet cover (7) connected to the vehicle cabin (1) and located on the side close to the vehicle head, the air inlet cover (7) is provided with a partition plate (8) to divide the air inlet cover (7) into a channel A (71) and a channel B (72) in communication at the top end, the partition plate (8) is provided with a channel C (81) in communication with the outside through an opening at the bottom, the channel B (72) is in communication with the inside of the vehicle cabin (1), and the air inlet cover (7) is provided with an air inlet B (73) on the side close to the vehicle head and in communication with the channel A (71); a filter screen (12) located between the interface of the channel A (71) and the channel B (72) and connected to the inner wall of the air inlet cover (7) and the upper wall of the partition plate (8); a scraper (13) connected to the filter screen (12) on the side close to the channel A (71); a rotating roller (19) provided in the rotating channel C (81) and provided with a material receiving groove (191); a lifting drive assembly located in the air inlet cover (7) and driving the scraper (13) to reciprocally slide in the working state to cyclically clean the filter screen (12) and press the impurities cleaned off into the channel C (81); and a transmission assembly drivingly connected to the scraper (13) and the material receiving assembly, the scraper (13) drives the rotating roller (19) to overturn in the process of sliding in the channel C (81) to discharge the impurities in the material receiving groove (191) out of the air inlet cover (7) through the overturned rotating roller (19). The exhaust cover (2) is provided with an air inlet A (201) downwardly opening and in communication with the inside thereof, the air inlet A (201) is in communication with the inside of the vehicle cabin (1), and the air outlet (202) is provided with a radiator (3) for discharging air outward. The exhaust cover (2) is symmetrically provided with two fixed plates (4) between the air inlet A (201) and the air outlet (202), the two fixed plates (4) are provided with an exhaust channel therebetween, the exhaust cover (2) is provided with a movable plate (5) slidingly connected to the inner wall thereof, and the exhaust cover (2) is provided with a hydraulic cylinder A (6) driving the movable plate (5) to lift to control the opening and closing of the exhaust channel. The air inlet cover (7) is provided with a gate (9) slidingly connected thereto, and the air inlet cover (7) is provided with a hydraulic cylinder B (10) driving the gate (9) to lift to control the opening and closing of the air inlet B (73). The channel A (71) is provided with a plurality of guide plates (11) staggered above the air inlet B (73), and the guide plates (11) are condensing plates. The channel C (81) is provided with a guide frame (18), the rotating roller (19) is located in the guide frame (18) and rotationally connected thereto, and the channel C (81) is provided with two wedge-shaped plates (82) inclined outward at the two ends below the guide frame (18). 2. A van with ventilation structure according to claim 1, characterized in that, 3. A van with ventilation structure according to claim 2, characterized in that, 4. A van trailer body with ventilation according to claim 1, characterized in that 5. A van trailer body with ventilation according to claim 1, characterized in that 6. A van trailer body with ventilation according to claim 1, characterized in that 7. A van trailer having a ventilation structure according to claim 1, wherein The lifting driving assembly comprises a reciprocating screw rod (14), a transmission shaft (15) and an impeller (16); the reciprocating screw rod (14) is located in the air inlet cover (7) and is rotationally connected with the air inlet cover (7), a sliding shuttle of the reciprocating screw rod (14) is connected with the scraper (13); the transmission shaft (15) is rotationally connected with the partition plate (8), both ends of the transmission shaft (15) are respectively inserted into the channel B (72) and the channel C (81), and the transmission shaft (15) and the reciprocating screw rod (14) are respectively connected with a bevel gear (17) at a proximal end, and the two bevel gears (17) are meshingly connected; the impeller (16) is located in the channel B (72) and is coaxially connected with the transmission shaft (15).
8. A van trailer having a ventilation structure according to claim 1, wherein The transmission assembly comprises a gear (20) and a rack (21), the gear (20) is coaxially connected with an end of the rotating roller (19), and the rack (21) is connected with the bottom of the scraper (13).
Citation Information
Patent Citations
Semitrailer carriage with ventilation structure
CN219154597U