Fumigation modified atmosphere sampling through-wall connecting device for grain depot

Abstract

The utility model discloses a through-wall connecting device for grain depot fumigation air-conditioning sampling, and relates to the technical field of grain depot storage equipment. The protective device comprises a first connecting plate, a protective assembly is arranged on one side of the first connecting plate, connecting mechanisms are arranged at the four corners of the surface of the first connecting plate in a penetrating mode, the protective assembly comprises a connecting base and a protective shell, and one side of the connecting base is fixedly connected with the first connecting plate. By adopting the double-layer combined protection assembly, the air tightness of the device is greatly improved, fumigation gas leakage is effectively avoided, the fumigation effect is guaranteed, harm to the environment and personnel is reduced, installation is convenient and fast, adaptability is high, and due to the adjustable connecting structure and the connecting mode of the protection assembly, the use is convenient. The device can be easily installed on grain depot walls with different thicknesses, the installation difficulty is reduced, the installation efficiency is improved, and meanwhile the stability and durability of the device in different environments are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grain depot storage equipment, especially relates to a kind of for grain depot fumigating gas sampling overwall connecting device. BACKGROUND

[0002] In the daily management of grain depot, to prevent grain from being damaged by pests, mildew and other problems, fumigating gas is often used to treat grain pile, and gas sampling is used to monitor the fumigation effect and the change of gas composition in the grain pile. Grain depot circulation fumigation refers to a technology that promotes the uniform distribution of fumigating gas in the grain pile in the grain depot through gas circulation and maintains a certain concentration and time in the grain depot to kill pests at all growth stages. During the process of grain depot circulation fumigation, since the grain in the grain depot is usually in large quantities, a grain depot circulation fumigation system is generally used to perform circulation fumigation on the grain in the grain depot.

[0003] Traditional overwall connecting devices lack effective protection structures. Fumigating gas is highly corrosive and will gradually erode the device material if it is in contact with the connecting device for a long time, causing damage to the device. For example, the commonly used fumigating agent phosphine will form acidic substances with corrosive properties in a humid environment, causing serious corrosion to connecting devices made of ordinary metal materials and shortening the service life of the device. This not only requires frequent replacement of the device, increasing operating costs, but also may cause fumigating gas to leak due to damage to the device, posing a safety hazard. Moreover, traditional devices are easily subjected to external impacts such as collision and extrusion in the complex mechanical operation environment of the grain depot. Since there are no corresponding protection measures, the sealing and functionality of the device will be affected once it is damaged by external forces, thereby interfering with the normal performance of fumigation operations and gas sampling.

[0004] Therefore, we provide an overwall connecting device for fumigating gas sampling in a grain depot to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an overwall connecting device for fumigating gas sampling in a grain depot. Through the cooperation of the protection assembly and the connecting mechanism, the problem of the lack of effective protection structures in the existing overwall connecting devices and the gradual erosion of the device material by fumigating gas, which causes damage to the device, is solved.

[0006] To solve the above technical problems, the utility model is implemented through the following technical solutions.

[0007] The utility model discloses a kind of for grain depot fumigation steam to fetch sample overwall connecting device, including first connecting plate, the first connecting plate side is provided with protection assembly, first connecting plate surface four corners are all penetrated and are provided with connecting mechanism, the protection assembly includes connecting seat and protective shell, the connecting seat side is fixedly connected with first connecting plate, the protective shell is set to connecting seat side, the connecting seat inner chamber both sides are all opened and are provided with limit slot, the connecting seat inner chamber is fixedly connected with motor, the motor output end is fixedly connected with first gear, the connecting seat inner chamber side is rotatably connected with second gear by pivot, the second gear is engaged with first gear, the second gear side is fixedly connected with cam, the cam top and bottom are all provided with pulley, the pulley side is rotatably connected with connecting frame by pivot, the connecting frame side is fixedly connected with positioning column, the positioning column surface is sleeved with first spring, first connecting plate is arranged in wall body outer side, second connecting plate is arranged in wall body inner layer, and it is connected by connecting mechanism between, screw rod is adjusted according to the length of wall body thickness, the transmission mode of protection assembly through motor and first gear can drive cam rotation, to reach the purpose that connecting seat and protective shell are positioned quickly, the purpose that protection assembly connecting distance is adjusted according to wall body thickness is realized, sampling pipeline is arranged in the inside of protective shell, under the double protection of connecting seat and protective shell, the sealing property of sampling pipeline can be ensured, gas sensor is arranged in protective shell, for detecting gas leakage, greatly improve the security of device, effectively avoid fumigation gas leakage, guarantee fumigation effect, reduce the harm to environment and personnel.

[0008] The utility model further sets up, connecting mechanism includes screw rod, the screw rod is set to first connecting plate surface, the screw rod quantity is four, the protective shell side is fixedly connected with second connecting plate, the second connecting plate inner chamber is connected with screw rod thread, the screw rod both ends are all connected with fastener thread, the screw rod surface and located fastener one side sleeve have second spring, the screw rod surface one side is connected with limit clamp thread, screw rod is connected to first connecting plate and second connecting plate, can ensure the stability between first connecting plate and second connecting plate installation, while second spring supports limit clamp, limit clamp is contacted with wall body, can further improve the stability of this connecting mechanism installation.

[0009] The utility model further sets up, first connecting plate surface is fixedly connected with sealing seat, the sealing seat surface is connected with connecting pipe, the setting of sealing seat and connecting pipe can be used for connecting sampling pipeline, reach the effect that sampling detection is convenient.

[0010] The utility model further sets up, connecting seat surface is provided with access panel, the access panel surface four corners are all provided with bolt, access panel and bolt are closed to connecting seat, convenient for the internal structure of connecting seat is overhauled, to reach the purpose that maintenance is convenient.

[0011] The utility model further sets up, both sides of the protection shell are fixedly connected with the limit block, the limit block is matched with the limit groove, one side of limit block extends to the inside of limit groove, the purpose that connecting seat and protection shell are connected is completed, and the sealing property of protection shell and connecting seat junction is ensured.

[0012] The utility model further sets up, the limit block top is equipped with the positioning hole, the positioning hole is matched with the locating post, and the positioning hole is matched with the locating post, and the locating post is limited, and the stability in the movement process of the locating post is guaranteed.

[0013] The utility model further sets up, the number of positioning hole is five groups, and the equal interval is set up between the positioning hole, sets up five groups of positioning hole, can be used for adjusting the distance between connecting seat and protection shell, reaches the purpose that according to the flexible adjustment of wall thickness.

[0014] The utility model has the following beneficial effects.

[0015] 1, the utility model discloses a double-layer combined protection assembly, which greatly improves the air tightness of the device, effectively prevents fumigation gas leakage, ensures fumigation effect, reduces the harm to the environment and personnel, and is convenient to install and has strong adaptability.

[0016] 2, the utility model discloses an adjustable connecting mechanism is arranged on the outside of the wall, the screw rod is fixed with the second connecting plate by penetrating the wall, and the length of the screw rod can be flexibly adjusted according to the actual situation of the wall to adapt to different thicknesses of the wall. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description.

[0018] Fig. 1 It is a kind of stereogram for grain depot fumigation gas adjustment sampling over-wall connecting device.

[0019] Fig. 2 It is a kind of side view stereogram for grain depot fumigation gas adjustment sampling over-wall connecting device.

[0020] Fig. 3 It is a kind of stereogram for connecting seat in the grain depot fumigation gas adjustment sampling over-wall connecting device.

[0021] Fig. 4 It is a perspective view of a protective shell in a fumigation gas sampling through-wall connecting device for a grain depot.

[0022] Fig. 5 It is a sectional view of a connecting seat in a fumigation gas sampling through-wall connecting device for a grain depot.

[0023] Fig. 6 It is a perspective view of a motor and its connecting structure in a fumigation gas sampling through-wall connecting device for a grain depot.

[0024] In the drawings: 1, first connecting plate; 2, protection assembly; 201, connecting seat; 202, protective shell; 203, limiting groove; 204, motor; 205, first gear; 206, second gear; 207, cam; 208, pulley; 209, connecting frame; 210, positioning column; 211, first spring; 3, connecting mechanism; 301, screw; 302, second connecting plate; 303, fastener; 304, second spring; 305, limiting clamp; 4, sealing seat; 5, connecting pipe; 6, maintenance plate; 7, limiting block; 8, positioning hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0026] Embodiment one

[0027] Please refer to Figs. 1-6 The utility model discloses a kind of fumigation gas sampling through-wall connecting devices for grain depot, including first connecting plate 1, first connecting plate 1 side is provided with protection assembly 2, first connecting plate 1 surface four corners are all through the connecting mechanism 3 of being set, protection assembly 2 includes connecting seat 201 and protective shell 202, connecting seat 201 side is fixedly connected with first connecting plate 1, protective shell 202 is set to connecting seat 201 side, the both sides of connecting seat 201 inner chamber are all opened with limiting groove 203, motor 204 is fixedly connected in the inner chamber of connecting seat 201, the output end of motor 204 is fixedly connected with first gear 205, second gear 206 is movably connected with the side of the inner chamber of connecting seat 201 by pivot, second gear 206 is engaged with first gear 205, cam 207 is fixedly connected with the side of second gear 206, pulley 208 is set on the top and bottom of cam 207, connecting frame 209 is movably connected with the side of pulley 208 by pivot, positioning column 210 is fixedly connected with the side of connecting frame 209, and first spring 211 is sleeved on the surface of positioning column 210.

[0028] Specifically, the first connecting plate 1 is arranged outside the wall body, the second connecting plate 302 is arranged in the inner layer of the wall body, and the first connecting plate 1 and the second connecting plate 302 are connected through the connecting mechanism 3. The length of the screw rod 301 can be adjusted according to the thickness of the wall body. Meanwhile, the protection assembly 2 can drive the cam 207 to rotate through the transmission of the motor 204 and the first gear 205, so as to quickly position the connecting seat 201 and the protection shell 202, and achieve the purpose of adjusting the connection distance of the protection assembly 2 according to the thickness of the wall body. The sampling pipeline is arranged in the protection shell 202, and the sealing property of the sampling pipeline can be ensured under the double protection of the connecting seat 201 and the protection shell 202. Meanwhile, the gas sensor is arranged in the protection shell 202, which is used for detecting gas leakage, greatly improves the safety of the device, effectively avoids the leakage of fumigation gas, guarantees the fumigation effect, and reduces the harm to the environment and personnel.

[0029] Embodiment two

[0030] Please refer to Figs. 1-6 On the basis of the first embodiment, the connecting mechanism 3 comprises a screw rod 301, the screw rod 301 is arranged on the surface of the first connecting plate 1, the number of the screw rod 301 is four, the protection shell 202 is fixedly connected with a second connecting plate 302 on one side, the inner cavity of the second connecting plate 302 is in threaded connection with the screw rod 301, the two ends of the screw rod 301 are in threaded connection with fasteners 303, the surface of the screw rod 301 and located on one side of the fastener 303 is sleeved with a second spring 304, the surface of the screw rod 301 is in threaded connection with a limiting clamp 305 on one side, the surface of the first connecting plate 1 is fixedly connected with a sealing seat 4, the surface of the sealing seat 4 is in communication with a connecting pipe 5, the surface of the connecting seat 201 is provided with an inspection plate 6, the surface of the inspection plate 6 is provided with bolts at four corners, the two sides of the protection shell 202 are fixedly connected with limiting blocks 7, the limiting blocks 7 are matched with limiting grooves 203, the top of the limiting block 7 is provided with positioning holes 8, the positioning holes 8 are matched with positioning columns 210, the number of the positioning holes 8 is five groups, and the positioning holes 8 are equidistantly arranged.

[0031] Specifically: the screw 301 connects the first connecting plate 1 and the second connecting plate 302, which can ensure the stability of the installation between the first connecting plate 1 and the second connecting plate 302, and the second spring 304 supports the limiting clamp 305, the limiting clamp 305 contacts with the wall, which can further improve the stability of the installation of the connecting mechanism 3, the sealing seat 4 and the connecting pipe 5 are arranged, which can be used for connecting the sampling pipeline, and the effect of convenient sampling detection is achieved, the maintenance plate 6 and the bolt close the connecting seat 201, which is convenient for the maintenance of the internal structure of the connecting seat 201, so that the purpose of convenient maintenance is achieved, one side of the limiting block 7 extends to the inside of the limiting groove 203, which achieves the purpose of connecting the connecting seat 201 and the protective shell 202, ensures the sealing property of the connecting part of the protective shell 202 and the connecting seat 201, the positioning hole 8 is matched with the positioning column 210, which limits the positioning column 210 and ensures the stability of the positioning column 210 during movement, the positioning hole 8 is arranged as five groups, which can be used for adjusting the distance between the connecting seat 201 and the protective shell 202, and the purpose of flexible adjustment according to the thickness of the wall is achieved.

[0032] The working principle of the utility model is as follows: after connecting the connecting seat 201 and the protective shell 202, starting the motor 204, the motor 204 drives the first gear 205 to rotate, the first gear 205 drives the second gear 206 to rotate, the second gear 206 drives the cam 207 to rotate, the cam 207 drives the connecting frame 209 to reciprocate, the connecting frame 209 drives the positioning column 210 to move, one side of the positioning column 210 extends to the inner cavity of the positioning hole 8, thereby the connecting seat 201 and the protective shell 202 can be positioned, the connecting distance of the connecting seat 201 and the protective shell 202 is adjusted flexibly according to the position of the positioning hole 8, so as to adapt to the wall with different thicknesses, at the same time, the screw 301 connects the first connecting plate 1 and the second connecting plate 302, adjusts the fastener 303, and the purpose of reinforcing the first connecting plate 1 and the second connecting plate 302 is achieved.

[0033] The above disclosed preferred embodiments of the utility model are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A fumigation gas sampling wall connection device for grain stores, comprising a first connection plate (1), characterized in that: The first connecting plate (1) is provided with a protection assembly (2) on one side, and a connecting mechanism (3) is arranged through the four corners of the surface of the first connecting plate (1). The protection assembly (2) comprises a connecting seat (201) and a protection shell (202), one side of the connecting seat (201) is fixedly connected with the first connecting plate (1), the protection shell (202) is arranged on one side of the connecting seat (201), limit grooves (203) are formed in the two sides of the inner cavity of the connecting seat (201), a motor (204) is fixedly connected in the inner cavity of the connecting seat (201), a first gear (205) is fixedly connected to the output end of the motor (204), a second gear (206) is movably connected to one side of the inner cavity of the connecting seat (201) through a rotating shaft, the second gear (206) is engaged with the first gear (205), a cam (207) is fixedly connected to one side of the second gear (206), pulleys (208) are arranged on the top and bottom of the cam (207), a connecting frame (209) is movably connected to one side of the pulley (208) through a rotating shaft, a positioning column (210) is fixedly connected to one side of the connecting frame (209), and a first spring (211) is sleeved on the surface of the positioning column (210).

2. The over-wall connecting device for fumigating gas sampling of a grain depot according to claim 1, characterized in that: The connecting mechanism (3) comprises a screw rod (301), the screw rod (301) is arranged on the surface of the first connecting plate (1), the number of the screw rod (301) is four, a second connecting plate (302) is fixedly connected to one side of the protection shell (202), the inner cavity of the second connecting plate (302) is threadedly connected with the screw rod (301), fasteners (303) are threadedly connected to the two ends of the screw rod (301), a second spring (304) is sleeved on the surface of the screw rod (301) and located on one side of the fastener (303), and a limiting clamp (305) is threadedly connected to one side of the surface of the screw rod (301).

3. The over-the-wall connection device for fumigating gas sampling of a grain storage according to claim 1, characterized in that: A sealing seat (4) is fixedly connected to the surface of the first connecting plate (1), and a connecting pipe (5) is in communication with the surface of the sealing seat (4).

4. The over-the-wall connection device for fumigating gas sampling of a grain storage according to claim 1, characterized in that: An inspection plate (6) is arranged on the surface of the connecting seat (201), and bolts are arranged on the four corners of the surface of the inspection plate (6).

5. The over-the-wall connection device for fumigating gas sampling of a grain storage according to claim 1, characterized in that: Limiting blocks (7) are fixedly connected to the two sides of the protection shell (202), and the limiting blocks (7) are matched with the limit grooves (203).

6. The over-the-wall connection device for fumigating gas sampling of a grain storage according to claim 5, characterized in that: Positioning holes (8) are formed in the top of the limiting block (7), and the positioning holes (8) are matched with the positioning column (210).

7. The over-the-wall connection device for fumigating gas sampling of a grain storage according to claim 6, characterized in that: The number of the positioning holes (8) is five groups, and the positioning holes (8) are equidistantly arranged.

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