Unpowered air supplement device for laboratory

Abstract

The utility model discloses a laboratory unpowered air supplement device in the technical field of air supplement devices, which comprises a mounting pipe and a wall body, the mounting pipe is embedded in the wall body, the right end of the mounting pipe extends to the outer side of the wall body, the inner cavity wall of the mounting pipe is rotatably connected with a ventilation pipe, and the ventilation pipe is connected with a fan. A notch is formed in the right side of the top of the mounting pipe, the left end of the ventilation pipe extends to the outer side of the mounting pipe and is fixedly connected with an air inducing arc plate, the right end of the ventilation pipe is fixedly connected with a gear ring, and a groove block is fixedly connected to the position, located on the left side of the notch, of the top of the mounting pipe; the unpowered air supplementing device for the laboratory is reasonable in structural design, external wind power can be fully utilized for supplementing air for the laboratory, excessive consumption of electric power is avoided, the purposes of energy conservation and emission reduction are achieved, introduction of natural wind by an air inducing arc plate can be further enhanced, and the air supplementing efficiency is improved. And meanwhile, the overall practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air supply devices, in particular to a laboratory unpowered air supply device. Background Art

[0002] A laboratory is a place where experiments are conducted and plays a very important role in the development of science and technology. Laboratories can be divided into three categories according to their affiliation: the first category is laboratories that are affiliated with universities or managed by universities; the second category of laboratories belong to national institutions, and some are even international institutions; the third category of laboratories are directly affiliated with industrial enterprises and serve the development and research of industrial technology. Since laboratories contain a large amount of polluted gases in the air during long-term experiments, laboratory ventilation is particularly important.

[0003] In order to improve ventilation effect, existing laboratories usually open vents on the walls and set fans in the vents to draw air into the room for ventilation. This not only fails to efficiently utilize the external natural wind force, but also causes a lot of power loss due to long-term fan operation. For this reason, we propose a laboratory unpowered air supply device. Utility Model Content

[0004] The purpose of the utility model is to provide a laboratory unpowered air supply device to solve the problem proposed in the above background technology that in order to improve the ventilation effect, existing laboratories usually open vents on the walls, and set fans in the vents to draw air into the room for air supply, which not only cannot efficiently utilize the external wind power, but also causes a large amount of power loss due to long-term fan operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory unpowered air supply device, comprising a mounting tube and a wall, wherein the mounting tube is embedded in the interior of the wall and the right end of the mounting tube extends to the outside of the wall, the inner cavity wall of the mounting tube is rotatably connected with a ventilation tube, a notch is opened on the right side of the top of the mounting tube, the left end of the ventilation tube extends to the outside of the mounting tube and is fixedly connected with an air induction arc plate, the right end of the ventilation tube is fixedly connected with a gear ring, the top of the mounting tube and located on the left side of the notch A slot block is fixedly connected to the side, and the rear side wall of the slot block is fixedly connected to the servo motor by bolts. The front side wall of the inner cavity of the slot block is rotatably connected to a screw rod through a bearing, and the rear end of the screw rod is fixedly connected to the output shaft of the servo motor. An adjusting block is screwed on the outer side wall of the screw rod, and the outer side wall of the adjusting block is slidably connected to the inner cavity wall of the slot block. The right side wall of the adjusting block extends to the outside of the slot block and is fixedly connected to a rack. The bottom of the rack passes through the notch, extends to the inner cavity of the mounting tube, and meshes with the gear ring.

[0006] As a further description of the above technical solution:

[0007] A sealing groove is provided in the middle of the inner cavity wall of the installation tube, a sealing ring is sleeved in the middle of the outer wall of the ventilation tube, and the outer wall of the sealing ring is rotatably connected to the inner cavity wall of the sealing groove.

[0008] As a further description of the above technical solution:

[0009] The outer wall of the sealing ring is provided with an annular groove, and sliding wheels are rotatably connected between the left and right side walls of the inner cavity of the annular groove and are evenly distributed in an annular shape. The sliding wheels are rollingly connected to the inner cavity wall of the sealing groove.

[0010] As a further description of the above technical solution:

[0011] An air guide plate is provided on the left side of the inner wall of the air induction arc plate and the air guide plates are evenly distributed from left to right. A wind gathering plate is fixedly connected to the left side wall of the air induction arc plate. A protective ring is provided on the left side of the inner cavity wall of the ventilation pipe.

[0012] As a further description of the above technical solution:

[0013] A dustproof net is provided on the right side of the inner cavity wall of the ventilation duct, a mounting rod is fixedly connected to the top of the inner cavity of the ventilation duct and located on the left side of the dustproof net, the bottom end of the mounting rod is rotatably connected to a rotating rod, the right end of the rotating rod is fixedly connected to a brush plate and the right side wall of the brush plate contacts the left side wall of the dustproof net, and the left end of the rotating rod is fixedly connected to a fan blade.

[0014] As a further description of the above technical solution:

[0015] The left side wall of the wind gathering plate is rotatably connected with a wind direction streamer, and the left side of the outer side wall of the wind inducing arc plate is provided with a drainage hole.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The laboratory has an unpowered air supply device. The servo motor drives the screw to rotate. The screw drives the gear ring to rotate through the adjustment block and the rack. The gear ring drives the ventilation pipe and then drives the air arc plate to rotate. The inner side of the air arc plate is rotated to a position in contact with the wind direction, so as to better introduce the wind. It can make full use of the external wind force to supply air to the laboratory, avoid excessive power consumption, and achieve the purpose of energy saving and emission reduction.

[0018] 2. The laboratory's unpowered air supply device, through the wind gathering plate and the draft arc plate, strengthens the wind gathering of the draft arc plate, and accurately introduces the wind in the draft arc plate into the ventilation duct through the wind guide plate. The wind entering the ventilation duct drives the fan blades to rotate, and the fan blades drive the brush plate to rotate through the rotating rod to clean the dust filtered on the surface of the dustproof net, which can further enhance the introduction of natural wind by the draft arc plate and improve the overall practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural stereoscopic diagram of a laboratory unpowered air supply device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional view of the structure of a laboratory unpowered air supply device proposed by the utility model;

[0021] Figure 3 It is a right side view schematic diagram of a structural gear ring of a laboratory unpowered air supply device proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of a right side view of a structural sliding wheel of a laboratory unpowered air supply device.

[0023] In the figure: 100, mounting pipe; 110, ventilation pipe; 111, notch; 112, air induction arc plate; 113, gear ring; 114, slot block; 115, servo motor; 116, lead screw; 117, adjustment block; 118, rack; 120, sealing groove; 121, sealing ring; 130, ring groove; 131, sliding wheel; 140, air guide plate; 141, air gathering plate; 142, protective ring; 150, dust net; 151, mounting rod; 152, rotating rod; 153, brush plate; 154, fan blade; 160, wind direction streamer; 200, wall. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a laboratory unpowered air supply device, which can fully utilize the external wind to supply air to the laboratory, avoid excessive power consumption, achieve the purpose of energy saving and emission reduction, and can further strengthen the introduction of natural wind by the air induction arc plate 112, while improving the overall practicality. Please refer to Figure 1-4 , including a mounting pipe 100 and a wall 200;

[0028] Please refer again Figure 1-4The inner cavity wall of the mounting tube 100 is rotatably connected with a ventilation tube 110, and the ventilation tube 110 is used to introduce wind into the room. A notch 111 is opened on the right side of the top of the mounting tube 100, and the notch 111 is used to place a rack 118. The left end of the ventilation tube 110 extends to the outside of the mounting tube 100 and is fixedly connected with an air induction arc plate 112, and the air induction arc plate 112 is used to introduce wind into the ventilation tube 110. The right end of the ventilation tube 110 is fixedly connected with a gear ring 113, and the gear ring 113 is used to drive the ventilation tube 110 to rotate. A slot block 114 is fixedly connected to the top of the mounting tube 100 and located on the left side of the notch 111. The slot block 114 is used to install a screw rod 116 and a servo motor 115, and the rear side wall of the slot block 114 is fixedly connected with a servo motor 115 by bolts. Motor 115, servo motor 115 is used to drive screw 116 to rotate, the front side wall of the inner cavity of slot block 114 is rotatably connected with screw 116 through a bearing, and the rear end of screw 116 is fixedly connected to the output shaft of servo motor 115, screw 116 is used to drive adjustment block 117 to rotate, the outer side wall of screw 116 is screwed with adjustment block 117, and the outer side wall of adjustment block 117 is slidably connected with the inner cavity wall of slot block 114, adjustment block 117 is used to drive rack 118 to move, the right side wall of adjustment block 117 extends to the outside of slot block 114 and is fixedly connected with rack 118, rack 118 is used to drive gear ring 113 to rotate, the bottom of rack 118 passes through slot 111 and extends to the inner cavity of mounting tube 100 and meshes with gear ring 113 The mounting tube 100 is embedded in the interior of the wall 200 and the right end of the mounting tube 100 extends to the outside of the wall 200. A sealing groove 120 is opened in the middle of the inner cavity wall of the mounting tube 100. The sealing groove 120 is used to install a sealing ring 121. A sealing ring 121 is sleeved in the middle of the outer wall of the ventilation pipe 110 and the outer wall of the sealing ring 121 is rotatably connected to the inner cavity wall of the sealing groove 120. The sealing ring 121 is used to cooperate with the sealing groove 120 to improve the sealing performance of the mounting tube 100 and the ventilation pipe 110, prevent dust from entering the room from the gap, and limit the ventilation pipe 110 at the same time. The outer wall of the sealing ring 121 is opened with an annular groove 130. The annular groove 130 is used to install a sliding wheel 131. The inner cavity of the annular groove 130 rotates between the left and right side walls. A sliding wheel 131 is connected and the sliding wheels 131 are evenly distributed in a ring shape. The sliding wheel 131 is used to cooperate with the sealing ring 121 to make the sealing ring 121 rotate more smoothly. The sliding wheel 131 is rollingly connected with the inner cavity wall of the sealing groove 120. The servo motor 115 is started by an external controller. The output shaft of the servo motor 115 rotates to drive the screw rod 116 to rotate. The screw rod 116 drives the gear ring 113 to rotate through the adjustment block 117 and the rack 118. The gear ring 113 drives the ventilation pipe 110 to rotate through the sealing ring 121 and the sliding wheel 131 to cooperate with the sealing groove 120. The ventilation pipe 110 then drives the air induction arc plate 112 to rotate, and the inner side of the air induction arc plate 112 is rotated to a position in contact with the wind direction, so as to better introduce the wind;

[0029] To sum up, the external wind power can be fully utilized to replenish the air in the laboratory, avoiding excessive consumption of electricity and achieving the goal of energy saving and emission reduction.

[0030] Please refer again Figure 1-2 The left side of the inner wall of the air induction arc plate 112 is provided with an air guide plate 140, and the air guide plates 140 are evenly distributed from left to right. The air guide plate 140 is used to further guide the air. The left side wall of the air induction arc plate 112 is fixedly connected with an air gathering plate 141, and the air gathering plate 141 is used to gather the air in the air induction arc plate 112. A protective ring 142 is provided on the left side of the inner cavity wall of the ventilation pipe 110, and the protective ring 142 is used to prevent rainwater from flowing into the room. The right side of the inner cavity wall of the ventilation pipe 110 is provided with There is a dustproof net 150, which is used to filter dust in the air. A mounting rod 151 is fixedly connected to the top of the inner cavity of the ventilation pipe 110 and located on the left side of the dustproof net 150. The mounting rod 151 is used to install a rotating rod 152. The bottom end of the mounting rod 151 is rotatably connected to the rotating rod 152. The rotating rod 152 is used to cooperate with the fan blades 154 to drive the brush plate 153 to rotate. The right end of the rotating rod 152 is fixedly connected to the brush plate 153, and the right side wall of the brush plate 153 is connected to the dustproof net 150. The left side wall of the net 150 is in contact with the brush plate 153, which is used to brush the dust on the dustproof net 150 to avoid affecting the air intake. The left end of the rotating rod 152 is fixedly connected with a fan blade 154, and the fan blade 154 is used to drive the rotating rod 152 to rotate by wind. The left side wall of the wind gathering plate 141 is rotatably connected with a wind direction ribbon 160, and the wind direction ribbon 160 is used to check the wind direction so as to better adjust the position of the air induction arc plate 112. The left side of the outer side wall of the air induction arc plate 112 is provided with a drainage hole. The drainage hole is used to drain the accumulated water in the draft arc plate 112 when it rains. The wind gathering plate 141 cooperates with the draft arc plate 112 to strengthen the wind gathering of the draft arc plate 112. The wind in the draft arc plate 112 is accurately introduced into the ventilation pipe 110 through the wind guide plate 140. The wind entering the ventilation pipe 110 drives the fan blades 154 to rotate. The fan blades 154 drive the brush plate 153 to rotate through the rotating rod 152 to clean the dust filtered on the surface of the dustproof net 150.

[0031] In summary, the introduction of natural wind by the wind-inducing arc plate 112 can be further enhanced, while improving the overall practicality.

[0032] In specific use, the technical personnel in this field determine the wind direction by observing the direction of the wind direction ribbon 160, and start the servo motor 115 through the external controller. The output shaft of the servo motor 115 rotates to drive the screw rod 116 to rotate. The screw rod 116 drives the gear ring 113 to rotate through the adjustment block 117 and the rack 118. The gear ring 113 drives the ventilation pipe 110 to rotate through the sealing ring 121 and the sliding wheel 131 to cooperate with the sealing groove 120. The ventilation pipe 110 then drives the air induction arc plate 112 to rotate, and the air induction arc plate 112 is rotated. The inner side of the arc plate 112 rotates to a position in contact with the wind direction to guide and gather the wind. The wind gathering plate 141 cooperates with the wind-inducing arc plate 112 to strengthen the wind-gathering effect of the wind-inducing arc plate 112. Then the wind guide plate 140 accurately guides the wind in the wind-inducing arc plate 112 into the ventilation duct 110. The wind enters the ventilation duct 110 to drive the fan blades 154 to rotate. The fan blades 154 drive the brush plate 153 to rotate through the rotating rod 152 to clean the dust filtered on the surface of the dustproof net 150. The wind filtered by the dustproof net 150 then enters the room.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A laboratory unpowered air supply device, characterized in that: The invention comprises a mounting tube (100) and a wall (200), wherein the mounting tube (100) is embedded in the interior of the wall (200) and the right end of the mounting tube (100) extends to the outside of the wall (200), the inner cavity wall of the mounting tube (100) is rotatably connected to a ventilation tube (110), a notch (111) is provided on the right side of the top of the mounting tube (100), the left end of the ventilation tube (110) extends to the outside of the mounting tube (100) and is fixedly connected to an air induction arc plate (112), the right end of the ventilation tube (110) is fixedly connected to a gear ring (113), a slot block (114) is fixedly connected to the top of the mounting tube (100) and located on the left side of the notch (111), and the slot block (114) is The rear side wall of the groove block (14) is fixedly connected to a servo motor (115) by bolts, the front side wall of the inner cavity of the groove block (114) is rotatably connected to a screw rod (116) through a bearing, and the rear end of the screw rod (116) is fixedly connected to the output shaft of the servo motor (115), the outer side wall of the screw rod (116) is screwed with an adjustment block (117), and the outer side wall of the adjustment block (117) is slidably connected to the inner cavity wall of the groove block (114), the right side wall of the adjustment block (117) extends to the outside of the groove block (114) and is fixedly connected to a rack (118), the bottom of the rack (118) passes through the notch (111) and extends to the inner cavity of the mounting tube (100) and meshes with the gear ring (113).

2. The laboratory unpowered air supply device according to claim 1 is characterized in that: A sealing groove (120) is provided in the middle of the inner wall of the installation tube (100), a sealing ring (121) is sleeved in the middle of the outer wall of the ventilation tube (110), and the outer wall of the sealing ring (121) is rotatably connected to the inner wall of the sealing groove (120).

3. The laboratory unpowered air supply device according to claim 2 is characterized in that: An annular groove (130) is formed on the outer wall of the sealing ring (121); a sliding wheel (131) is rotatably connected between the left and right side walls of the inner cavity of the annular groove (130); the sliding wheels (131) are evenly distributed in an annular shape; and the sliding wheels (131) are rollingly connected to the inner cavity wall of the sealing groove (120).

4. The laboratory unpowered air supply device according to claim 1 is characterized in that: An air guide plate (140) is provided on the left side of the inner wall of the air induction arc plate (112), and the air guide plates (140) are evenly distributed from left to right. A wind gathering plate (141) is fixedly connected to the left side wall of the air induction arc plate (112), and a protective ring (142) is provided on the left side of the inner cavity wall of the ventilation pipe (110).

5. The laboratory unpowered air supply device according to claim 4 is characterized in that: A dustproof net (150) is provided on the right side of the inner cavity wall of the ventilation pipe (110); a mounting rod (151) is fixedly connected to the top of the inner cavity of the ventilation pipe (110) and located on the left side of the dustproof net (150); a rotating rod (152) is rotatably connected to the bottom end of the mounting rod (151); a brush plate (153) is fixedly connected to the right end of the rotating rod (152) and the right side wall of the brush plate (153) contacts the left side wall of the dustproof net (150); and a fan blade (154) is fixedly connected to the left end of the rotating rod (152).

6. The laboratory unpowered air supply device according to claim 4 is characterized in that: The left side wall of the wind gathering plate (141) is rotatably connected to a wind direction streamer (160), and the left side of the outer side wall of the wind inducing arc plate (112) is provided with a drainage hole.

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