Micro-positive pressure type protective cover easy to disassemble

Abstract

The utility model relates to the technical field of protective covers, in particular to a micro-positive pressure type protective cover easy to disassemble. Comprising a cover body and a cover cap, the cover cap is rotationally connected with the cover body through a fixed connecting device, and two hasps and a fixed connecting device are distributed between the cover cap and the cover body in the circumferential direction by 120 degrees; a U-shaped hole is formed in the top of the cover body, semi-arc rubber sealing gaskets are arranged on the inner lower portion of the U-shaped hole and the corresponding joint face of the cover cap respectively, and a whole round hole is formed when the semi-arc rubber sealing gaskets are closed. A male head of a quick connector is arranged at the middle lower part of the cover body and is used for introducing dry compressed gas to maintain a micro-positive pressure state in the cover body. The utility model aims to provide a micro-positive pressure type protective cover easy to disassemble to solve the problems that an existing protective cover is inconvenient to disassemble, poor in sealing performance, prone to being affected with damp and corroded and the like. The protective cover adopts a quick opening and closing structure and a micro-positive pressure moisture-proof technology, optimizes the sealing design, remarkably improves the waterproof performance and the maintenance efficiency, and prolongs the service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective cover especially relates to an easy-to-dismount micro-positive pressure type protective cover. BACKGROUND

[0002] The existing protective cover is a cylindrical body with one end opening, which is inverted and buckled at the tail of the hydraulic oil cylinder, and the periphery of 120 degrees is fixed by bolts, and the top has a round hole for threading the cable. It is an important protective device for displacement sensor installed at the tail of the hydraulic oil cylinder of the continuous casting fan-shaped section and the crystallizer, which mainly plays the role of protecting the displacement sensor and the line plug from mechanical damage and water vapor corrosion.

[0003] Firstly, the existing protective cover adopts an integrated structure, and the cable is inconvenient to separate from the protective cover after being threaded into the top round hole and connected to the plug. During the periodic hoisting of the fan-shaped section or the crystallizer for maintenance, the protective cover and the plug need to be disassembled and assembled, which takes a long time. Sometimes, in order to save time, the protective cover is not timely installed back, resulting in the loss of protection of the displacement sensor. Secondly, due to the humid environment during production, and the top inlet and outlet line, water vapor attached to the cable is easy to penetrate into the protective cover. Thirdly, due to the humid environment, the peripheral fixing bolts are severely corroded, and the protective cover bolts need to be frequently disassembled during the maintenance of the fan-shaped section and the crystallizer equipment, resulting in bolt slipping or breaking, causing the protective cover to be not firmly fixed and the seal to be not tight, and water vapor corrosion causing electrical failure. INVENTION CONTENTS

[0004] The utility model aims at providing an easy-to-dismount micro-positive pressure type protective cover to solve the problems of inconvenient disassembly, poor sealing, and easy to be corroded by moisture of the existing protective cover. The protective cover adopts a quick opening and closing structure, a micro-positive pressure moisture-proof technology, and an optimized sealing design, which significantly improves the waterproof performance, maintenance efficiency, and service life.

[0005] The technical scheme adopted by the utility model is: an easy-to-dismount micro-positive pressure type protective cover, which comprises a cover body and a cover cap, the cover cap is rotationally connected with the cover body through a fixed connection device, and two buckles and one fixed connection device are distributed at an angle of 120 degrees in the circumferential direction between the cover cap and the cover body; a U-shaped hole is provided at the top of the cover body, and a semicircular rubber sealing pad is provided at the inner lower part of the U-shaped hole and the corresponding cover cap joint surface respectively, forming a whole circular hole when closed; a male connector of a quick connector is provided at the middle lower part of the cover body for introducing dry compressed gas to maintain a micro-positive pressure state inside the cover body.

[0006] As a further improvement of the utility model, the fixed connection device comprises a first connecting seat welded to the top of the cover body and a second connecting seat welded to the cover cap, the first connecting seat and the second connecting seat are connected by a rivet to form a rotating shaft.

[0007] As a further improvement of the utility model, the inner surface of the cover and the top of the cover body are provided with an annular sealing rubber ring.

[0008] As a further improvement of the utility model, the buckle comprises a clasp fixed to the top of the cover body and a hook fixed to the cover, and the locking and releasing are realized by the opening and closing handle.

[0009] As a further improvement of the utility model, the male head of the quick connector is welded to a small hole in the middle and lower part of the cover body, and is used for quick connection with the external compressed gas pipeline.

[0010] As a further improvement of the utility model, the U-shaped hole and the fixing connection device are located on the same axis, and the male head of the quick connector is arranged at the opposite position of the fixing connection device.

[0011] As a further improvement of the utility model, when the cover body and the cover are closed, a three-point locking structure is formed by the two buckles and the fixing connection device, so as to ensure the sealing property.

[0012] As a further improvement of the utility model, a transparent observation window is inlaid on the side wall of the cover body, and is made of fog and corrosion-resistant materials.

[0013] As a further improvement of the utility model, a miniature humidity sensor is installed on the inner wall of the cover body and is connected with the external equipment through a wireless transmission module.

[0014] The utility model discloses the cover and the cover body are locked through the fixing connection device and two buckles that distribute according to the circumference 120 °, and the cover can be opened by pulling two buckles, and is opened and closed by the rivet of the connection device as the fulcrum.

[0015] (2) the utility model discloses the U-shaped hole in the top of the cover body, and the line can be taken out or put in, and the problem that the line with the plug is blocked and cannot be taken out from the cover top circular hole is solved.

[0016] (3) the utility model discloses the quick connector in the middle and lower part of the cover body, and the dry compressed gas is input, so that the inside of the protective cover is always in the slightly positive pressure state, avoids the humid gas from entering the protective cover, and improves the waterproof effect of the protective cover.

[0017] (4) The utility model discloses a transparent observation window can observe the inside sensor state without opening the cover, reduce the damage of the leakproofness caused by frequent opening and closing, improve the maintenance efficiency simultaneously, and through the micro humidity sensor, the humidity in the cover is monitored in real time, the situation of sealing failure or insufficient micro positive pressure is found in time, and the sensor is avoided from being damaged due to damp. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view of the easy-to-disassemble micro positive pressure protective cover of the utility model,

[0019] Figure 2 It is the left view of the easy-to-disassemble micro positive pressure protective cover of the utility model,

[0020] Figure 3 It is the plan view of the easy-to-disassemble micro positive pressure protective cover of the utility model.

[0021] As shown in the figure: 1, cover body, 2, fixed connection device, 3, hasp, 4, cover, 5, U-shaped hole, 6, sealing rubber ring, 7, male head of quick connector, 8, transparent observation window, 9, micro humidity sensor. DETAILED DESCRIPTION

[0022] In the present specification, the orientation terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned are defined relative to its structure, which are relative concepts. Therefore, it is possible to change accordingly according to its different positions, different use states; therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0023] In the present specification, the singular forms "a", "said" and "the" are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0024] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and not to limit the present application.

[0025] As Figure Three , the structure schematic view of the utility model, in the present example, there are two hasps 3 and a fixed connection device 2, and the spatial positions of the three form 120 °. The U-shaped hole 5 at the top of the cover body 1 is in a straight line with the fixed connection device 2, and there is a male head 7 of quick connector opposite the fixed connection device 2.

[0026] AsFigure One In this example, a sealing rubber ring 6 is arranged at the joint between the inner surface of the cover 4 and the top of the cover body 1, which provides a good sealing effect.

[0027] As shown in the drawings, Figure One In this example, the top of the cover body 1 has a U-shaped hole 5, and the inner lower part of the U-shaped hole 5 has a semicircular rubber sealing gasket. The cover 4 also has a semicircular rubber sealing gasket at the joint surface of the U-shaped hole 5. When the cover 4 is placed on the cover body 1, the upper and lower semicircular rubber sealing gaskets form a whole circular hole, which provides a good sealing effect after the cable is inserted. After the clasp cover 4 is buckled, the line and plug can be taken out, thereby solving the problem mentioned in the background art, and the practical effect is good.

[0028] As shown in the drawings, Figure Two In this example, two pieces of the connecting seat of the fixed connecting device 2 are welded and fixed on the cover 4, and one piece of the connecting seat of the fixed connecting device 2 is welded and fixed on the top of the cover body 1. The two pieces of the connecting seat of the fixed connecting device 2 of the cover 4 clamp the one piece of the connecting seat of the fixed connecting device 2 of the cover body 1, and the three pieces of the connecting seat have a concentric small circular hole. A rivet is inserted into the concentric circular hole as a connecting shaft, and the cover 4 and the cover body 1 are rotationally connected through the fixed connecting device 2.

[0029] As shown in the drawings, Figure One In this example, the fixed bottom plate of the clasp 3 is welded on the top of the cover body 1, and the hook of the clasp 3 is welded at the corresponding position of the cover 4. When the cover 4 is placed on the cover body 1, the clasp ring of the clasp 3 can be hung on the hook, and the opening and closing handle of the clasp 3 can be pressed down to lock it. When the opening and closing handle of the clasp 3 is lifted up and the clasp ring of the clasp 3 is taken off the hook, the cover 4 can be opened.

[0030] Since two clamps 3 and one fixed connecting device 2 are installed at positions with a space of 120°, this installation method is more conducive to the close combination and good sealing of the cover 4 and the cover body 1.

[0031] As shown in the drawings, Figure Two In this example, a small hole is opened in the middle and lower part of the cover body 1, and a male head 7 of a quick connector is welded, which facilitates quick docking or removal of the dry compressed gas pipeline.

[0032] In this example, when the wiring is completed, the cover 4 is placed on the cover body 1, and the clasp 3 is locked. The dry compressed gas pipeline is docked on the male head 7 of the quick connector, and the gas source can be opened, so that the cover body 1 is in a slightly positive pressure state, and external humid gas cannot enter, thereby ensuring the dryness of the cover body and prolonging the service life of the displacement sensor and the plug, and reducing other electrical faults. Thus, the problem in the background art is solved, and the practical effect is good.

[0033] As shown in the drawings, Figure TwoIn the present example, the transparent observation window 8 is inlaid on the side wall of the cover body 1 and is made of a fog and corrosion-resistant material. The working state of the sensor inside the cover body 1 can be directly observed through the observation window 8, avoiding the need to frequently open the cover 4 for inspection, and further ensuring the sealing and waterproof performance of the protective cover. The material selection of the transparent observation window 8 also ensures its long-term use reliability in a humid and corrosive environment.

[0034] As Figure One In the present example, a micro humidity sensor 9 is installed on the inner wall of the cover body 1 and is connected to an external device through a wireless transmission module to monitor the humidity change inside the cover body 1 in real time. When the humidity exceeds a preset safety threshold, the micro humidity sensor 9 will immediately send an alarm signal to the external device, reminding the operator to take timely measures, such as increasing the supply amount of dry compressed gas or checking the sealing performance of the protective cover, thereby effectively preventing electrical failures caused by excessive humidity.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A readily removable, slightly positive pressure protective cover, characterized by: The utility model relates to a cover (1) and cover (4) are included, cover (4) is rotatoryly connected with cover (1) through fixed connecting device (2), and two buckles (3) and a fixed connecting device (2) are distributed between cover (4) and cover (1) along the circumferential direction 120 DEG, the top of cover (1) is equipped with U-shaped hole (5), the inner lower part of U-shaped hole (5) and the corresponding cover (4) joint surface are equipped with semicircular rubber sealing pad respectively, and form the whole circle hole when closing, the lower part of cover (1) is equipped with the male head (7) of quick coupling, is used for leading into dry compressed gas to maintain the micro-positive pressure state inside cover (1).

2. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The fixed connecting device (2) includes a first connecting seat welded to the top of the cover (1) and a second connecting seat welded to the cover (4), and the first connecting seat and the second connecting seat are connected by a rivet to form a rotating shaft.

3. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The inner surface of the cover (4) is provided with an annular sealing rubber ring (6) at the joint with the top of the cover (1).

4. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The buckle (3) includes a clasp fixed to the top of the cover (1) and a hook fixed to the cover (4), and the locking and releasing are realized by opening and closing handles.

5. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The male head (7) of the quick coupling is welded to the small hole in the lower part of the cover (1), which is used for quick connection with the external compressed gas pipeline.

6. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The U-shaped hole (5) and the fixed connecting device (2) are located on the same axis, and the male head (7) of the quick coupling is arranged on the opposite side of the fixed connecting device (2).

7. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: When the cover (1) and the cover (4) are closed, a three-point locking structure is formed by the two buckles (3) and the fixed connecting device (2), ensuring the sealing performance.

8. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The transparent observation window (8) is inlaid on the side wall of the cover (1), and is made of fog and corrosion-resistant materials.

9. The easily removable micro-positive pressure protective cover according to claim 1, characterized in that: The micro humidity sensor (9) is installed on the inner wall of the cover (1) and connected to external equipment through a wireless transmission module.

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