Maintenance window and equipment

Abstract

The utility model discloses a maintenance window and equipment, which comprises a window installation welding seat and a window opening and closing door plate, a window through groove is arranged in the middle of the window opening and closing door plate, and window glass is arranged at the window through groove. The periphery of the window glass is coated with a U-shaped sealing strip and is fixed on the window switch door plate through a glass pressing plate; a first sealing strip and a second sealing strip are arranged between the window mounting welding seat and the window opening and closing door plate; a sealing lock catch device is further arranged between the window installation welding seat and the window switch door plate. The sealing lock catch device is used for locking the movable end of the window switch door plate to the window installation welding seat. The equipment comprises a maintenance window and equipment. The maintenance window and the equipment have the advantages of being easy to implement and good in sealing performance, use safety can be improved and production cost can be reduced in practical application, and economical efficiency is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery production and processing, especially to an overhaul window and equipment. BACKGROUND

[0002] In the battery production process, during the extraction stage of the wet method diaphragm process line, the situation in the extraction tank needs to be observed through the sight window during work, and the sight window needs to be opened to enter the tank during maintenance.

[0003] The ordinary sealing structure gradually weakens the sealing effect due to the multiple opening and closing of the sight window, or sometimes the glass leaks, and the toxic and harmful gas volatilized by the extraction agent dichloromethane will overflow, which not only increases the production cost but also may endanger personal safety. Therefore, during this special stage, the sight window is required to have high sealing performance and interchangeability.

[0004] However, the existing sight window sealing structure has defects such as insufficient sealing performance and short service life, which poses a safety risk and affects economic benefits.

[0005] Therefore, the utility model aims to provide a new technical solution to solve the existing technical problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the shortcomings of the prior art, the utility model provides an overhaul window and equipment, which solves the technical defects of poor sealing performance, rapid sealing failure, safety hazards, and poor economy of the prior art.

[0007] The utility model solves the technical problems by adopting the following technical scheme:

[0008] An overhaul window comprises a sight window mounting and welding seat and a sight window opening and closing door plate hinged to the sight window mounting and welding seat, the middle position of the sight window mounting and welding seat is provided with a welding seat through groove for mounting the sight window opening and closing door plate, the middle position of the sight window opening and closing door plate is provided with a sight window through groove, a sight window glass is arranged at the sight window through groove, the periphery of the sight window glass is covered with a U-shaped sealing strip and fixed on the sight window opening and closing door plate through a glass pressing plate; first and second sealing strips are arranged between the sight window mounting and welding seat and the sight window opening and closing door plate, the first sealing strip is arranged on the sight window mounting and welding seat, and the second sealing strip is arranged on the sight window opening and closing door plate; the first and second sealing strips form a double sealing structure and a labyrinth sealing structure between the sight window mounting and welding seat and the sight window opening and closing door plate, the labyrinth sealing structure forms a winding sealing path between the sight window mounting and welding seat and the sight window opening and closing door plate; a sealing lock catch device is further arranged between the sight window mounting and welding seat and the sight window opening and closing door plate, and the sealing lock catch device is used for locking the movable end of the sight window opening and closing door plate on the sight window mounting and welding seat.

[0009] As a further improvement of the above technical solution, the window installation welding seat has a welding seat through slot at the middle position for installing the window switch door plate, the window installation welding seat is provided with an annular groove at the inner edge position close to the welding seat through slot, the window switch door plate is provided with an annular protrusion matching the annular groove at the outer edge, and the annular protrusion is clamped into the annular groove when the window installation welding seat and the window switch door plate are in the mutual locking state.

[0010] As a further improvement of the above technical solution, the first sealing strip is installed in the groove bottom of the annular groove of the window installation welding seat, the sealing contact surface of the first sealing strip is used for contacting the protruding plane of the annular protrusion, and the second sealing strip is installed on the inner wall surface of the window switch door plate close to the window installation welding seat, and the sealing contact surface of the second sealing strip is used for contacting the inner wall surface of the window installation welding seat close to the window switch door plate.

[0011] As a further improvement of the above technical solution, the first sealing strip and the second sealing strip are both P-shaped foamed sealing rubber strips, and the U-shaped sealing strip is a U-shaped foamed fluorine rubber sealing strip.

[0012] As a further improvement of the above technical solution, the window switch door plate is welded with a window fixing welding plate on one wall surface of the inner edge close to the window through slot, the glass pressing plate is fixed on the window fixing welding plate through a screw, the glass pressing plate extends to an inner side with a folded plate, the folded plate is pressed to the U-shaped sealing strip and presses the other side of the U-shaped sealing strip on one wall surface of the window switch door plate.

[0013] As a further improvement of the above technical solution, one side wall of the U-shaped sealing strip is extruded and sealed with one wall surface of the window switch door plate to form a first sealing position, the other side wall of the U-shaped sealing strip is extruded and sealed with one wall surface of the glass pressing plate to form a second sealing position, the first sealing position and the second sealing position form a double sealing structure, and a cavity formed by the window switch door plate, the window fixing welding plate, the U-shaped sealing strip and the glass pressing plate is a sealed cavity.

[0014] As a further improvement of the above technical solution, one side edge of the window switch door plate is hinged on the window installation welding seat through a hinge device, and the sealing lock buckle device is arranged between the other three side edges of the window switch door plate and the corresponding positions of the window installation welding seat.

[0015] As a further improvement of the above technical solution, the sealing lock device comprises a lock handle installed on the window switch door plate and a lock seat installed on the window mounting welding seat, the lock handle is rotatably installed on the window switch door plate, the lock handle comprises a first lock, the lock seat is fixedly installed on the window mounting welding seat, the lock seat comprises a second lock matched with the first lock, and when the first lock and the second lock are mutually buckled, the window switch door plate and the window mounting welding seat are mutually locked.

[0016] As a further improvement of the above technical solution, the lock handle is rotatably arranged on a handle rotating seat, the handle rotating seat is fixedly installed on the window switch door plate through a first lock base, and a plurality of first adjusting shims are arranged between the handle rotating seat and the first lock base; the lock seat is fixedly installed on the window mounting welding seat through a second lock base, and a plurality of second adjusting shims are arranged between the lock seat and the second lock base.

[0017] Arc-shaped surfaces are arranged on the first lock and the second lock to facilitate mutual buckling of the first lock and the second lock.

[0018] As a further improvement of the above technical solution, a gas spring is further arranged between the window mounting welding seat and the movable end of the window switch door plate, a first hinged seat is arranged on the window mounting welding seat, a second hinged seat is arranged on the movable end of the window switch door plate, one end of the gas spring is hinged to the first hinged seat, and the other end of the gas spring is hinged to the second hinged seat.

[0019] The utility model also provides:

[0020] A device is installed with the maintenance window.

[0021] The utility model discloses a kind of maintenance window and equipment, the maintenance window and equipment are set in first sealing strip, second sealing strip and U-shaped sealing strip, while guaranteeing glass interchangeability, through U-shaped sealing strip, double sealing effect is achieved, effectively improve the sealing effect between window glass and window switch door plate;First sealing strip and second sealing strip form S-shaped sealing channel and double sealing effect between window mounting welding seat and window switch door plate, while guaranteeing sealing performance, effectively prolong sealing time, sealing performance is not easily ineffective, service life is longer, can effectively prevent toxic gas leakage, greatly improve safety, also save production cost.

[0022] In conclusion, the maintenance window and equipment solve the technical defects of poor sealing performance, fast sealing failure, security risks and poor economy in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further illustrated below in combination with the drawings and embodiments.

[0024] Figure 1 It is the assembly schematic view of the utility model;

[0025] Figure 2 It is the structure sectional view of the utility model;

[0026] Figure 3 It is the structure split view of the utility model;

[0027] Figure 4 It is Figure 1 The partial close-up view of A in the middle;

[0028] Figure 5 It is Figure 2 The partial close-up view of B in the middle;

[0029] Figure 6 It is the application state diagram of the utility model. DETAILED DESCRIPTION

[0030] The conception, specific structure and generated technical effect of the utility model will be described clearly and completely below in combination with embodiments and drawings, so as to fully understand the purpose, features and effect of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, and other embodiments obtained by the person skilled in the art without creative labor based on the embodiments of the utility model all belong to the protection scope of the utility model. In addition, all the coupling / connection relations involved in the patent do not mean that the components directly connect, but means that the more optimal coupling structure can be composed by adding or reducing the coupling auxiliary parts according to the specific implementation situation. The various technical features in the creation of the utility model can be interactively combined under the premise of no mutual contradiction and conflict, and the reference Figures 1-6 .

[0031] Referring to Figures 1-6 , the utility model provides: a maintenance window, including window installation welding seat 1 and hinged on the window installation welding seat 1 on the window switch door plate 2, in application, referring to Figure 6The window mounting welding base 1 is mounted on the wall 9 or other similar fixed position. The middle position of the window mounting welding base 1 is provided with a welding base through slot 10 for mounting the window switch door plate 2, and the window switch door plate 2 is arranged at the welding base through slot 10. When the window switch door plate 2 is in an open state, the welding base through slot 10 serves as a passageway for personnel to pass through. When the window switch door plate 2 is in a closed state, the welding base through slot 10 is sealed by the window switch door plate 2. The internal space forms a sealed space. The middle position of the window switch door plate 2 is provided with a window through slot 20, and the window glass 3 is arranged at the window through slot 20. In the embodiment, the window glass 3 is high borosilicate glass. The window glass 3 is wrapped with a U-shaped sealing strip 30 around the periphery and is fixed on the window switch door plate 2 by a glass pressing plate 4.

[0032] With reference to Figure 2 、 Figure 5 The first sealing strip 51 is arranged on the window mounting welding base 1, and the second sealing strip 52 is arranged on the window switch door plate 2. The first sealing strip 51 and the second sealing strip 52 form a double sealing structure and a labyrinth sealing structure between the window mounting welding base 1 and the window switch door plate 2. The labyrinth sealing structure forms a winding sealing path between the window mounting welding base 1 and the window switch door plate 2. The window mounting welding base 1 and the window switch door plate 2 are further provided with a sealing lock device 6, which is used to lock the movable end of the window switch door plate 2 on the window mounting welding base 1.

[0033] In the technical solution, with reference to Figure 2 、 Figure 5, the window glass 3 is sealed by a U-shaped sealing strip 30. One side wall of the U-shaped sealing strip 30 is extrusion sealed with one wall surface of the window opening door plate 2 to form a first sealing position; the other side wall of the U-shaped sealing strip 30 is extrusion sealed with one wall surface of the glass pressing plate 4 to form a second sealing position, the first sealing position and the second sealing position form a double sealing structure, and the cavity formed by the window opening door plate 2, the window fixed welding plate 22, the U-shaped sealing strip 30 and the glass pressing plate 4 is a sealed cavity 300. In application, specifically, one side of the U-shaped sealing strip 30 is extrusion sealed with one wall surface of the window opening door plate 2; the other side of the U-shaped sealing strip 30 is extrusion sealed with the glass pressing plate 4. Through the arrangement of the structure, the U-shaped sealing strip 30 substantially functions as a double sealing structure, and the sealing performance is greatly improved by the sealing structure formed by the first sealing position, the second sealing position and the sealed cavity 300, and the sealing effect is better. In addition, the structure design that the sealing pressing plate 4 presses the U-shaped sealing strip 30 can facilitate the subsequent replacement of the sealing strip or the window glass 3, and the later maintenance is more convenient, fast and cost-saving.

[0034] In the embodiment, the U-shaped sealing strip 30 is a U-shaped foamed fluorine rubber sealing strip, which has a longer service life and better durability

[0035] Further, with reference to Figure 2 、 Figure 5 , the window mounting welding seat 1 is provided with an annular groove 11 at the inner edge position close to the welding seat through groove 10, and the window opening door plate 2 is provided with an annular protrusion 21 matching the annular groove 11 at the outer edge, and when the window mounting welding seat 1 and the window opening door plate 2 are in the interlocked state, the annular protrusion 21 is clamped into the annular groove 11. Specifically, the first sealing strip 51 is installed in the groove bottom of the annular groove 11 of the window mounting welding seat 1, and the sealing contact surface of the first sealing strip 51 is used to contact the protruding plane of the annular protrusion 21, and the second sealing strip 52 is installed on the inner wall surface of the window opening door plate 2 close to the window mounting welding seat 1, and the sealing contact surface of the second sealing strip 52 is used to contact the inner wall surface of the window mounting welding seat 1 close to the window opening door plate 2. Through the annular groove 11 and the annular protrusion 21, cooperating with the first sealing strip 51 and the second sealing strip 52, a double S-shaped sealing channel is formed between the window mounting welding seat 1 and the window opening door plate 2, realizing double-layer sealing and labyrinth sealing functions.

[0036] By using the first sealing strip 51 and the second sealing strip 52, a double sealing structure and a labyrinth sealing structure are formed between the window mounting welding seat 1 and the window opening door plate 2, and the sealing performance is better. The labyrinth sealing structure refers to the sealing path not being on the same plane, and the sealing path is winding, which is helpful to maintain the sealing performance.

[0037] In addition, the annular groove 11 and the annular protrusion 21 can be prepared by welding or stamping, and the like, which will not be described here.

[0038] In this embodiment, the first sealing strip 51 and the second sealing strip 52 are both P-type foamed sealing strips, which have a longer service life and better durability. In application, the two P-type foamed sealing strips are simultaneously deformed by the window mounting welding seat 1 and the window switch door plate 2 under the sealing state, thereby forming double sealing.

[0039] Further, the window switch door plate 2 is welded with a window fixing welding plate 22 on a wall surface of the window switch door plate 2 close to the inner edge of the window through slot 20, and the glass pressing plate 4 is fixed on the window fixing welding plate 22 by screws. The glass pressing plate 4 extends inwardly with a flap 41, which presses the U-shaped sealing strip 30 and presses the other side of the U-shaped sealing strip 30 on a wall surface of the window switch door plate 2. In application, the pressing force of the flap 41 on the U-shaped sealing strip 30 can be adjusted by adjusting the tightness of the screws, thereby achieving the final pressing force under the premise of prolonging the service life of the U-shaped sealing strip 30, and achieving the best sealing effect.

[0040] Further, with reference to Figure 1 , Figure 2 , Figure 4 , one side edge of the window switch door plate 2 is hinged to the window mounting welding seat 1 by the hinge device 7, and the other three side edges of the window switch door plate 2 are provided with the sealing lock buckle device 6 between the corresponding positions of the window mounting welding seat 1. In this embodiment, the sealing lock buckle device 6 includes a lock buckle handle 61 mounted on the window switch door plate 2 and a lock buckle seat 62 mounted on the window mounting welding seat 1. The lock buckle handle 61 is rotatably mounted on the window switch door plate 2, and the lock buckle handle 61 includes a first lock buckle 611. The lock buckle seat 62 is fixedly mounted on the window mounting welding seat 1, and the lock buckle seat 62 includes a second lock buckle 621 for cooperating with the first lock buckle 611. When the first lock buckle 611 and the second lock buckle 621 are buckled with each other, the window switch door plate 2 and the window mounting welding seat 1 are locked with each other. When the window mounting welding seat 1 and the window switch door plate 2 need to be locked, the lock buckle handle 61 is rotated, and the first lock buckle 611 on the lock buckle handle 61 is rotated to a position buckled with the second lock buckle 621, thereby realizing the mutual locking function of the window mounting welding seat 1 and the window switch door plate 2.

[0041] Further, the lock handle 61 is rotatably arranged on the handle rotating seat 612, the handle rotating seat 612 is fixedly installed on the window opening and closing plate 2 through the first lock base 63, a plurality of first adjusting shims 65 are arranged between the handle rotating seat 612 and the first lock base 63; the lock seat 62 is fixedly installed on the window mounting and welding seat 1 through the second lock base 64, a plurality of second adjusting shims 66 are arranged between the lock seat 62 and the second lock base 64; the optimal installation height and the optimal mutual distance of the lock handle 61 and the lock seat 62 can be adjusted through the first adjusting shims 65 and the second adjusting shims 66, which is helpful to improve the sealing performance.

[0042] In addition, the first lock 611 and the second lock 621 are both provided with arc surfaces facilitating mutual buckling of the first lock 611 and the second lock 621, the arc surfaces can facilitate mutual locking of the first lock 611 and the second lock 621 on one hand, and on the other hand, the arc surfaces can be used to adjust the pressing degree of the window mounting and welding seat 1 and the window opening and closing plate 2, which is convenient for adjustment.

[0043] Further, referring to Figure 1 , Figure 2 , the movable end between the window mounting and welding seat 1 and the window opening and closing plate 2 is further provided with a gas spring 8, the window mounting and welding seat 1 is provided with a first hinged seat 81, the movable end of the window opening and closing plate 2 is provided with a second hinged seat 82, one end of the gas spring 8 is hinged on the first hinged seat 81, and the other end of the gas spring 8 is hinged on the second hinged seat 82. The gas spring 8 can provide an elastic force to the window opening and closing plate 2 to press the window mounting and welding seat 1 on one hand, thereby improving the reliability of sealing; on the other hand, in the opened state of the window opening and closing plate 2, the gas spring 8 can also provide a closing force to the window opening and closing plate 2, so that the window opening and closing plate 2 remains in the normally closed state, thereby improving the safety.

[0044] Based on the above-described maintenance window, the utility model further provides:

[0045] A device is installed with the maintenance window.

[0046] The above is a specific description of the preferred implementation of the utility model, but the utility model creation is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. An inspection window, characterized in that: The invention comprises a window mounting welding seat (1) and a window switch door plate (2) hinged on the window mounting welding seat (1); the window mounting welding seat (1) has a welding seat through groove (10) for mounting the window switch door plate (2); the window switch door plate (2) has a window through groove (20) in the middle; a window glass (3) is arranged at the window through groove (20); the window glass (3) is covered with a U-shaped sealing strip (30) around its periphery and is fixed to the window switch door plate (2) via a glass pressing plate (4); a first sealing strip (51) and a second sealing strip (52) are arranged between the window mounting welding seat (1) and the window switch door plate (2); the first sealing strip (51) and the second sealing strip (52) are arranged between the window mounting welding seat (1) and the window switch door plate (2); The second sealing strip (52) is arranged on the window mounting welding seat (1), and the second sealing strip (52) is arranged on the window switch door plate (2); the first sealing strip (51) and the second sealing strip (52) form a double sealing structure and a labyrinth sealing structure between the window mounting welding seat (1) and the window switch door plate (2); the labyrinth sealing structure forms a circuitous sealing path between the window mounting welding seat (1) and the window switch door plate (2); a sealing locking device (6) is further provided between the window mounting welding seat (1) and the window switch door plate (2), and the sealing locking device (6) is used to lock the movable end of the window switch door plate (2) on the window mounting welding seat (1).

2. The inspection window according to claim 1, characterized in that: The window mounting welding seat (1) is provided with an annular groove (11) at an inner edge thereof close to the welding seat through groove (10); the window switch door plate (2) is provided with an annular protrusion (21) matching the annular groove (11) at an outer edge thereof; when the window mounting welding seat (1) and the window switch door plate (2) are in a mutually locked state, the annular protrusion (21) is locked into the annular groove (11); The first sealing strip (51) is mounted in the bottom of the annular groove (11) of the window mounting welding seat (1), and the sealing contact surface of the first sealing strip (51) is used to contact the protruding plane of the annular protrusion (21). The second sealing strip (52) is mounted on the inner wall surface of the window switch door plate (2) close to the window mounting welding seat (1), and the sealing contact surface of the second sealing strip (52) is used to contact the inner wall surface of the window mounting welding seat (1) close to the window switch door plate (2).

3. The inspection window according to claim 1, characterized in that: The first sealing strip (51) and the second sealing strip (52) are both P-shaped foaming sealing strips, and the U-shaped sealing strip (30) is a U-shaped foaming fluororubber sealing strip.

4. The inspection window according to claim 1, characterized in that: The window switch door panel (2) is welded with a window fixing welding plate (22) on a wall surface thereof near the inner edge of the window through groove (20); the glass pressing plate (4) is fixed to the window fixing welding plate (22) by screws; the glass pressing plate (4) has a folding plate (41) extending inwardly thereof; the folding plate (41) presses against the U-shaped sealing strip (30) and presses the other side of the U-shaped sealing strip (30) against a wall surface of the window switch door panel (2).

5. The inspection window according to claim 4, characterized in that: One side wall of the U-shaped sealing strip (30) is squeezed and sealed with a wall surface of the window switch door panel (2) to form a first sealing position; the other side wall of the U-shaped sealing strip (30) is squeezed and sealed with a wall surface of the glass pressure plate (4) to form a second sealing position, the first sealing position and the second sealing position forming a double sealing structure, and the cavity enclosed by the window switch door panel (2), the window fixing welding plate (22), the U-shaped sealing strip (30) and the glass pressure plate (4) is a sealed cavity (300).

6. The inspection window according to claim 1, characterized in that: One side of the window switch door panel (2) is hinged to the window mounting welding seat (1) via a hinge device (7), and the sealing lock device (6) is provided between the other three side edges of the window switch door panel (2) and corresponding positions of the window mounting welding seat (1).

7. The inspection window according to claim 1, characterized in that: The sealing lock device (6) comprises a lock handle (61) mounted on the window switch door plate (2) and a lock seat (62) mounted on the window mounting welding seat (1); the lock handle (61) is rotatably mounted on the window switch door plate (2); the lock handle (61) comprises a first lock (611); the lock seat (62) is fixedly mounted on the window mounting welding seat (1); the lock seat (62) comprises a second lock (621) that cooperates with the first lock (611); when the first lock (611) and the second lock (621) are engaged with each other, the window switch door plate (2) and the window mounting welding seat (1) are locked with each other.

8. The inspection window according to claim 7, characterized in that: The locking handle (61) is rotatably mounted on a handle rotating seat (612); the handle rotating seat (612) is fixedly mounted on the window switch door panel (2) via a first locking base (63); a plurality of first adjustment gaskets (65) are arranged between the handle rotating seat (612) and the first locking base (63); the locking seat (62) is fixedly mounted on the window mounting welding seat (1) via a second locking base (64); a plurality of second adjustment gaskets (66) are arranged between the locking seat (62) and the second locking base (64); The first lock buckle (611) and the second lock buckle (621) are both provided with an arcuate surface for facilitating the mutual buckling of the first lock buckle (611) and the second lock buckle (621).

9. The inspection window according to any one of claims 1 to 8, characterized in that: A gas spring (8) is further provided between the window mounting welding seat (1) and the movable end of the window switch door plate (2); a first hinge seat (81) is provided on the window mounting welding seat (1); a second hinge seat (82) is provided on the movable end of the window switch door plate (2); one end of the gas spring (8) is hinged on the first hinge seat (81), and the other end of the gas spring (8) is hinged on the second hinge seat (82).

10. A device, characterized in that: The device is equipped with the inspection window according to any one of claims 1 to 9.

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