Ventilation opening switching device

Abstract

The utility model discloses a ventilation opening switching device, which relates to the technical field of granary ventilation opening control and comprises a box body, a door body, a rotating assembly and a driving assembly. The rotating assembly comprises a rotating shaft and a fixing piece, the door body is connected to the rotating shaft through the fixing piece, and the rotating shaft is connected to the side wall of the box body; the output end of the driving assembly is connected with the rotating shaft and can drive the rotating shaft to rotate so that the door body can be opened and closed relative to the box body. According to the scheme, due to the design of the rotating assembly, the door body can rotate around the rotating shaft so that the opening and closing functions of the door body can be conveniently achieved, the fixing piece ensures that the door body and the rotating shaft are stably connected, and falling off or loosening in the using process is prevented. By arranging the driving assembly, the switching efficiency and the use convenience are improved; and the output end of the driving assembly is connected with the rotating shaft, so that the opening and closing angle of the door body can be accurately controlled, and the requirements of different occasions on the opening and closing precision of the ventilation opening are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of granary ventilation opening control, particularly relates to a ventilation opening switch device. BACKGROUND

[0002] Grain as the important strategic reserve material of the state, is valued by all levels of warehouse management department, in the grain depot construction in many years, the application of grain depot equipment is more and more. Ventilation opening belongs to an important component in mechanical ventilation technology, and its main function is in airtight state normally, ensures that the grain depot is insect-proof, rat-proof, heat preservation, humidity isolation, ventilation and is in the open state, so as to be connected with the ventilation fan, makes the wind through the ventilation opening and the ground cage and ventilates from the lower part of the grain heap, ensures the uniformity and ventilation effect of ventilation. At present, most of the grain depot still adopts manual mode for the opening and closing of the ventilation opening, and the labor intensity is large. UTILITY MODEL CONTENT

[0003] The main purpose of the utility model is to provide a ventilation opening switch device, which is convenient for realizing the automatic opening and closing of the ventilation opening of the grain depot.

[0004] To achieve the above object, the ventilation opening switch device provided by the utility model comprises:

[0005] A box body;

[0006] A door body;

[0007] A rotating assembly, the rotating assembly comprises a rotating shaft and a fixing part, the door body is connected to the rotating shaft through the fixing part, and the rotating shaft is connected to the side wall of the box body;

[0008] A driving assembly, the output end of the driving assembly is connected to the rotating shaft, and the rotating shaft can be driven to rotate to realize the opening and closing of the door body relative to the box body.

[0009] In an embodiment, the driving assembly comprises a mounting seat, a driving part and a connecting part, the mounting seat is connected to the top of the box body, the driving part is installed on the mounting seat, and the opposite ends of the connecting part are connected to the output end of the driving part and the rotating shaft respectively.

[0010] In an embodiment, the ventilation opening switch device further comprises a control assembly, the control assembly comprises a movable part and a control switch, the movable part is connected to the output end of the driving part, the control switch is spaced apart from the movable part and arranged on the top of the box body, the control switch is electrically connected with the driving part, and the movable part can rotate with the output shaft of the driving part to trigger the control switch.

[0011] In one embodiment, there are two movable parts and two control switches, and the two control switches are spaced apart at the top of the box body, and are respectively used to control the opening and closing of the door body. The two movable parts are stacked on the output end of the driving part, and one movable part controls the triggering of one control switch.

[0012] In one embodiment, each of the movable members includes a fixed ring and a switch toggle shaft, the fixed ring is sleeved on the output end of the driving member, and the switch toggle shaft is connected to the outer peripheral wall of the fixed ring.

[0013] In one embodiment, the vent switch device further comprises a manual input shaft, wherein the manual input shaft is electrically connected to the driving member to control the rotation of the driving member.

[0014] In one embodiment, the driving member is a worm gear reduction motor.

[0015] In one embodiment, the vent switch device also includes a support frame, a seat bearing and a transmission protective cover, the support frame is installed on the side wall of the box body, the seat bearing is installed on the support frame, one end of the rotating shaft is inserted into the seat bearing, and the transmission protective cover is arranged on the outer edge of the seat bearing.

[0016] In one embodiment, the vent switch device further comprises a rain cover, and the rain cover is arranged above the driving member.

[0017] In one embodiment, the time for the vent switch device to open / close the door body is no more than 25 seconds.

[0018] The technical solution of the present utility model proposes a vent switch device with a simple structure and convenient operation. The design of the rotating assembly enables the door body to rotate around the rotating shaft to facilitate the opening and closing function of the door body. The fixing parts ensure the stable connection between the door body and the rotating shaft to prevent it from falling off or loosening during use. By providing a drive assembly, the opening and closing of the door body no longer relies on manual operation, but can be driven by electricity, which improves the switching efficiency and convenience of use. In addition, the connection design between the output end of the drive assembly and the rotating shaft allows for precise control of the opening and closing angle of the door body, meeting the requirements for vent switch accuracy in different occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0020] Figure 1 Structure schematic view of one embodiment of the air vent switch device provided by the utility model;

[0021] Figure 2 For Figure 1 Structure schematic view of the air vent switch device when being opened;

[0022] Figure 3 For Figure 2 Explosion schematic view of the air vent switch device;

[0023] Figure 4 For Figure 3 Partial enlarged schematic view of the control assembly.

[0024] Explanation of reference numerals:

[0025] 1000, air vent switch device; 1, box body; 2, door body; 3, rotating assembly; 31, rotating shaft; 32, fixing piece; 4, driving assembly; 41, mounting seat; 42, driving piece; 43, connecting piece; 5, control assembly; 51, movable piece; 511, fixing ring; 512, switch turning shaft; 52, control switch; 53, manual input shaft; 6, support frame; 7, bearing with seat; 8, transmission protective cover; 9, rainproof cover.

[0026] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0030] As an important strategic reserve material of the state, grain is attached great importance to by the storage management departments at all levels. In the grain depot construction in many years, the application of grain depot equipment is more and more. The ventilation opening is an important part in mechanical ventilation technology, and its main function is to be in airtight state normally, to ensure that the grain depot is insect-proof, rat-proof, heat preservation, humidity isolation and ventilation, and to be in an open state in order to be connected with the ventilation fan, so that the wind passes through the ventilation opening and the ground cage to ventilate from the lower part of the grain pile, and to ensure the uniformity and effect of ventilation. At present, most of the grain depots still use manual method to open and close the ventilation opening, which has high labor intensity.

[0031] To solve the above problems, please refer to Figures 1 to 4 The utility model provides a ventilation opening switch device 1000, including box 1, door body 2, rotating assembly 3 and drive assembly 4, rotating assembly 3 includes rotating shaft 31 and fixed part 32, door body 2 is connected in rotating shaft 31 through fixed part 32, and rotating shaft 31 is connected to the side wall of box 1, and the output end of drive assembly 4 is connected to rotating shaft 31, and rotating shaft 31 can be driven to rotate to realize the opening and closing of door body 2 relative to box 1.

[0032] The technical scheme of the utility model provides a ventilation opening switch device 1000 with simple structure and convenient operation, the design of rotating assembly 3 makes door body 2 can rotate around rotating shaft 31, so as to realize the opening and closing function of door body 2, and fixed part 32 ensures the stable connection of door body 2 and rotating shaft 31, prevents falling off or loosening in the use process. By setting drive assembly 4, the opening and closing of door body 2 no longer depends on manual operation, but can be driven by electricity, which improves the opening and closing efficiency and use convenience. In addition, the connection design of the output end of drive assembly 4 and rotating shaft 31 allows the opening angle of door body 2 to be accurately controlled, meeting the demand for ventilation opening switch precision in different occasions.

[0033] In an optional embodiment, in order to facilitate the automatic opening and closing of the door body 2, please refer to Figures 1 to 4 , the driving assembly 4 includes a mounting seat 41, a driving member 42, and a connecting member 43. The mounting seat 41 is connected to the top of the box body 1, the driving member 42 is installed on the mounting seat 41, and the opposite ends of the connecting member 43 are connected to the output end of the driving member 42 and the rotating shaft 31, respectively. In this way, a stable installation method of the driving assembly 4 is provided, ensuring the stability and reliability of the driving assembly 4. By installing the driving member 42 on the mounting seat 41, the stability of the driving member 42 during use can be ensured, and displacement of the driving member 42 caused by vibration or impact can be reduced. The design of the connecting member 43 makes the connection between the output end of the driving member 42 and the rotating shaft 31 more stable, improving the stability and service life of the entire ventilation opening switch device 1000. In addition, installing the driving assembly 4 on the top of the box body 1 facilitates maintenance and repair, improving the maintainability of the device.

[0034] Further, in order to facilitate precise control of the opening and closing of the door body 2, please refer to Figure 3 and Figure 4 , the ventilation opening switch device 1000 further comprises a control assembly 5, the control assembly 5 comprising a movable member 51 and a control switch 52. The movable member 51 is connected to the output end of the driving member 42, and the control switch 52 is spaced apart from the movable member 51 on the top of the box body 1. The control switch 52 is electrically connected to the driving member 42, and the movable member 51 can rotate with the output shaft of the driving member 42 to trigger the control switch 52. Through the cooperation of the movable member 51 and the control switch 52, direct control of the ventilation opening switch state can be achieved. The design of the movable member 51 allows users to trigger the control switch 52 through simple operation to achieve automatic opening and closing of the door body 2. In addition, the arrangement of the control assembly 5 allows the ventilation opening switch device 1000 to be used in cooperation with other control systems, improving the automation level of the entire system.

[0035] Further, in order to achieve automatic control of the door body 2 when opening and closing the door, respectively, please refer to Figure 3 and Figure 4, two control switches 52 are arranged on the top of the box body 1, and are respectively used to control the opening and closing of the door body 2. The two movable parts 51 are stacked on the output end of the driving part 42, and one movable part 51 controls the triggering of one control switch 52. Through the arrangement of two movable parts 51 and two control switches 52, the opening and closing state of the door body 2 can be accurately controlled. Users can choose to open or close the air vent according to their needs, improving the applicability and flexibility of the air vent switch device 1000. In addition, the design of the bidirectional control mechanism also helps to improve the safety of the air vent switch device 1000, so that users can quickly close the air vent in an emergency. A bidirectional control mechanism is provided, making the opening and closing control of the door body 2 more flexible. In specific operation, by arranging two switches corresponding to the positions of the door body 2 in the open and closed states, and arranging two movable parts 51 corresponding to the control switches 52, when the door body 2 needs to be opened, the controller controls the driving part 42 to rotate to drive the door body 2 to rotate correspondingly. At this time, the movable part 51 connected to the output end of the driving part 42 also rotates, and when the door body 2 is opened to the maximum opening state, the movable part 51 triggers the control switch 52 to control the driving part 42 to stop rotating, thereby completing the automatic opening of the door body 2. Similarly, when the door body 2 needs to be closed, the controller drives the driving part 42 to rotate in the opposite direction, so that the movable part 51 that controls the closing of the door body 2 rotates with the driving part 42. When the door body 2 is completely closed, the movable part 51 triggers the corresponding control switch 52 to control the driving part 42 to stop rotating, thereby completing the closing of the door body 2. In this way, two movable parts 51 are used to trigger the control switches 52 that complete the opening and closing actions, improving the automation and reliability of the opening and closing control of the door body 2.

[0036] Further, in order to facilitate the triggering of the control switch 52, please refer to Figure 3 and Figure 4 Each movable part 51 includes a fixed ring 511 and a switch actuating shaft 512. The fixed ring 511 is sleeved on the output end of the driving part 42, and the switch actuating shaft 512 is connected to the outer peripheral wall of the fixed ring 511. This design structure provides a stable connection method of the movable part 51, ensuring the reliable connection between the movable part 51 and the driving part 42. The design of the fixed ring 511 enables the movable part 51 to be stably connected to the output end of the driving part 42, and the design of the switch actuating shaft 512 enables the movable part 51 to flexibly interact with the control switch 52. The design of this structure helps to improve the operation accuracy and reliability of the air vent switch device 1000, ensuring the stability of the air vent switch operation.

[0037] In an optional embodiment, in order to facilitate manual control when the air vent switch device 1000 abnormally, please refer to Figure 1, the ventilation opening switch device 1000 further comprises a manual input shaft 53, which is electrically connected to the driving member 42 to control the rotation of the driving member 42. The provision of the manual input shaft 53 provides a backup control mode, so that in the event of a failure of the automatic control system, the user can still control the opening and closing of the ventilation opening through manual operation. This ensures that the ventilation opening switch device 1000 can still be used when the automatic control system fails. This design improves the reliability and safety of the ventilation opening switch device 1000, ensuring that the ventilation opening can be opened or closed in time in an emergency.

[0038] In an optional embodiment, to ensure the stability of the door body 2 when opening and closing, the driving member 42 is a worm gear reducer motor. The worm gear reducer motor can provide a larger torque, making the opening and closing of the door body 2 more stable and reliable. The design of the worm gear reducer motor enables the driving assembly 4 to provide sufficient power to drive the opening and closing of the door body 2, even in the case of a larger resistance on the door body 2. In addition, the worm gear reducer motor helps to improve the smoothness of the movement of the door body 2, reducing the impact and noise caused by rapid opening and closing. In addition, the driving member 42 can also be other types of reducer motors, such as planetary reducer motors, servo motors, etc., which can be selected according to actual needs.

[0039] In an optional embodiment, to ensure the safety of the door body 2 when automatically opening and closing, please refer to Figures 1 to 3 , the ventilation opening switch device 1000 further comprises a support frame 6, a bearing with seat 7, and a transmission protective cover 8. The support frame 6 is installed on the side wall of the box body 1, the bearing with seat 7 is installed on the support frame 6, one end of the rotating shaft 31 is inserted into the bearing with seat 7, and the transmission protective cover 8 is arranged on the outer edge of the bearing with seat 7. The provision of these structures provides a stable support and protection mechanism, ensuring the stability and safety of the rotating shaft 31. The design of the support frame 6 and the bearing with seat 7 provides stable support for the rotating shaft 31, reducing damage to the rotating shaft 31 caused by vibration or impact. The provision of the transmission protective cover 8 provides additional protection for the rotating shaft 31 and the bearing with seat 7, preventing dust, moisture and other impurities from entering, prolonging the service life of the rotating system.

[0040] Further, the ventilation opening switch device 1000 further comprises a rain cover 9, which covers the driving member 42. By providing the rain cover 9, rainwater and other liquids are prevented from entering the driving member 42, thereby ensuring the reliability and stability of the driving member 42. The provision of the rain cover 9 can effectively prevent rainwater from eroding the driving member 42 in adverse weather conditions, protecting the driving member 42 from the influence of a humid environment. This design improves the environmental adaptability of the ventilation opening switch device 1000, ensuring that it can work normally in outdoor environments.

[0041] Optionally, the ventilation opening switch device 1000 opens / closes the door body 2 for not more than 25S. By stipulating the opening / closing time of the door body 2, it can be ensured that the ventilation opening switch device 1000 can quickly respond to the control signal and timely open or close the ventilation opening. This fast response design is particularly important for occasions that require rapid adjustment of ventilation volume, for example, in the event of a fire or other emergency, quickly opening the ventilation opening can effectively exhaust smoke and harmful gases.

[0042] The above merely describes exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A vent switch device, characterized in that: include: Box; Door body; A rotating assembly, the rotating assembly comprising a rotating shaft and a fixing member, the door body being connected to the rotating shaft via the fixing member, and the rotating shaft being connected to the side wall of the box body; A driving component, wherein the output end of the driving component is connected to the rotating shaft and can drive the rotating shaft to rotate to realize the opening and closing of the door body relative to the box body.

2. The vent switch device according to claim 1, characterized in that: The driving assembly includes a mounting seat, a driving member and a connecting member. The mounting seat is connected to the top of the box body, the driving member is installed on the mounting seat, and the opposite ends of the connecting member are respectively connected to the output end of the driving member and the rotating shaft.

3. The vent switch device according to claim 2, characterized in that: The vent switch device also includes a control component, which includes a movable part and a control switch. The movable part is connected to the output end of the driving part. The control switch and the movable part are arranged at the top of the box body with a gap. The control switch is electrically connected to the driving part. The movable part can rotate with the output shaft of the driving part to trigger the control switch.

4. The vent switch device according to claim 3, characterized in that: There are two movable parts and two control switches, and the two control switches are arranged at intervals on the top of the box body, which are used to control the opening and closing of the door body respectively. The two movable parts are stacked on the output end of the driving part, and one movable part controls the triggering of one control switch.

5. The vent switch device according to claim 3, characterized in that: Each of the movable parts includes a fixed ring and a switch toggle shaft. The fixed ring is sleeved on the output end of the driving part, and the switch toggle shaft is connected to the outer peripheral wall of the fixed ring.

6. The vent opening switch device according to any one of claims 2 to 5, characterized in that: The vent switch device further includes a manual input shaft, which is electrically connected to the driving member to control the rotation of the driving member.

7. The vent opening and closing device according to claim 2, wherein: The driving member is a worm gear reduction motor.

8. The vent opening and closing device according to claim 6, wherein: The vent switch device also includes a support frame, a seat bearing and a transmission protective cover. The support frame is installed on the side wall of the box body, the seat bearing is installed on the support frame, one end of the rotating shaft is inserted into the seat bearing, and the transmission protective cover is arranged on the outer edge of the seat bearing.

9. The vent opening and closing device according to claim 8, wherein: The vent switch device also includes a rain cover, which is arranged above the driving member.

10. The vent opening and closing device according to claim 8, wherein: The time for the vent switch device to open / close the door body is no more than 25S.

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