Movable handrail locking structure

Abstract

The application relates to the technical field of movable railing installation, and discloses a movable railing locking structure, which is characterized in that a mounting cylinder penetrating structure platform for locking the railing is arranged, and the mounting cylinder is embedded below the structure platform, so that the probability of causing tripping risk of passing pedestrians is greatly reduced compared with the traditional method of directly arranging the base for locking the railing on the upper end surface of the structure platform, and the passing safety of the pedestrians is ensured; meanwhile, through cooperation of the clamping piece, the elastic piece and the perforation, the railing can be quickly locked and positioned in the mounting cylinder, and the railing can also be quickly removed from the mounting cylinder; in the whole process, the railing locking or removal can be realized only by controlling the upward movement or the downward movement and the rotation of the railing, the operation process is simple and convenient, the labor amount of the workers is reduced, and the work efficiency of the workers is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of movable rail installation, in particular to a movable rail locking structure. BACKGROUND

[0002] Various types of hatch covers are arranged on the open deck of a ship, wherein the flat bolted hatch cover needs to be protected by a rail around the corresponding open deck in the open state, and the upper part of the hatch cover needs to be used as a passageway in the closed state.

[0003] As shown in the prior art, Figure 1 when arranging the rail around the flat bolted hatch cover, a base for positioning the rail needs to be arranged on the deck structure platform around the hatch cover, the rail is installed on the base when the flat bolted hatch cover is opened, and a steel wire rope is installed between two adjacent rails for temporary protection; when the hatch cover is closed, the steel wire rope is removed and the rail is removed from the base; since the base is arranged on the upper surface of the deck structure platform, the base completely protrudes from the surface of the structure platform; when the hatch cover is closed and used as a passageway, there is a high risk of tripping for passing pedestrians, causing certain safety hazards. SUMMARY

[0004] The present application aims to provide a movable rail locking structure to solve the problem of high tripping risk caused by the base for fixing the rail arranged on the upper surface of the structure platform in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides a movable rail locking structure for locking a rail on a structure platform, comprising:

[0006] A hook member comprising a first connecting part extending upward and downward, a second connecting part connected perpendicularly to the lower end of the first connecting part, and the other end of the first connecting part being connected perpendicularly to the bottom wall of the rail;

[0007] An installation cylinder passing through the structure platform in the upward and downward direction, the installation cylinder being at least partially located below the structure platform, the installation cylinder having a receiving cavity for inserting the rail from top to bottom, and the bottom wall of the receiving cavity being provided with a through hole for the second connecting part to pass through;

[0008] An elastic member being compressible in the upward and downward direction, the upper end of the elastic member being connected to the rail, and the lower part of the receiving cavity having a stop part for stopping the lower end of the elastic member;

[0009] A clamping member arranged on the lower end surface of the installation cylinder;

[0010] The handrail is inserted into the accommodating cavity and drives the second connecting part to pass through the through hole, so that the lower end of the elastic member abuts against the stop part and extrudes the elastic member, and the handrail is rotated to make the second connecting part stop with the clamping member.

[0011] In some embodiments of the present application, the upper end surface of the mounting cylinder is not protruded from the upper surface of the structure platform.

[0012] In some embodiments of the present application, the mounting cylinder further comprises a first lower sealing plate for constituting the bottom wall of the accommodating cavity, and the through hole passes through the first lower sealing plate in the up-down direction.

[0013] The clamping member comprises two spaced clamping blocks, and the clamping blocks are fixedly connected to the lower end surface of the first lower sealing plate, and a clamping groove for stopping the second connecting part is formed between the two clamping blocks.

[0014] In some embodiments of the present application, the outer periphery of the handrail is connected with a waterproof cover, so that the waterproof cover covers the mounting cylinder when the handrail is inserted into the mounting cylinder.

[0015] The elastic member is arranged between the inner wall of the accommodating cavity and the handrail, and the upper end of the elastic member is connected to the lower end surface of the waterproof cover.

[0016] In some embodiments of the present application, the stop part comprises a stop ring coaxially connected to the inner wall of the accommodating cavity, and the projection of the inner contour of the stop ring in the axial direction of the mounting cylinder is between the projections of the handrail and the elastic member in the axial direction of the mounting cylinder; so that the lower end of the elastic member abuts against the stop ring when the handrail is inserted into the mounting cylinder.

[0017] In some embodiments of the present application, the movable handrail locking structure further comprises a sealing member, the sealing member comprises a large-diameter part and a small-diameter part connected to the lower end of the large-diameter part, and the outer diameter of the small-diameter part matches the inner diameter of the accommodating cavity.

[0018] In some embodiments of the present application, the movable handrail locking structure further comprises a sleeve arranged below the structure platform, the sleeve is sleeved on the outer periphery of the mounting cylinder, the bottom wall of the sleeve is arranged in a spaced manner with the bottom wall of the mounting cylinder, and the sleeve and the mounting cylinder are connected through a flange member.

[0019] In some embodiments of the present application, the sealing member further comprises an air pipe arranged in the axial direction of the sealing member, both the upper end and the lower end of the air pipe extend out of the sealing member, and a clamping nut abutting against the sealing member is threadedly assembled at one end of the air pipe extending out of the sealing member, so that the air pipe is clamped and positioned in the sealing member.

[0020] The upper end of the air pipe is detachably connected with a sealing cover.

[0021] In some embodiments of the present application, the large diameter portion upper end face is provided with a mounting piece, the mounting piece has a through hole for the air pipe to pass through; the upper clamping nut is pressed against the upper end face of the mounting piece, and a pull ring is rotatably mounted on the mounting piece.

[0022] In some embodiments of the present application, the sealing member is water-swelling rubber.

[0023] Compared with the prior art, the movable railing locking structure has the advantages that: the mounting cylinder for locking the railing is connected to the structure platform in an up-down penetrating manner, and the mounting cylinder is embedded below the structure platform. Through the cooperation of the clamping piece, the elastic piece and the perforation, the second connecting part passes through the perforation and rotates the railing to make the second connecting part and the clamping piece stop, thereby realizing the locking of the railing in the mounting cylinder. Rotating the railing makes the second connecting part rotate to the corresponding position of the perforation and lifts the railing, realizing the removal of the railing. The whole process only needs to control the upward movement or downward movement and rotation of the railing to realize the locking or removal of the railing, which is simple and convenient in operation process, reduces the labor amount of workers and improves the work efficiency of workers. Compared with the traditional base for locking the railing directly arranged on the upper surface of the structure platform, the probability of causing tripping risk of passing pedestrians is greatly reduced, and the traffic safety of passing pedestrians is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the prior art railing locking structure installed on the structure platform;

[0025] Figure 2 It is a schematic view of the railing locking structure of the present application installed on the structure platform;

[0026] Figure 3 It is a schematic view of the second connecting part passing through the perforation;

[0027] Figure 4 It is a schematic view of the whole structure of the railing of the present application;

[0028] Figure 5 It is a schematic view of the whole structure of the railing of the present application; Figure 4 It is an enlarged schematic view of the structure at A in the present application;

[0029] Figure 6 It is a schematic view of the connection relationship of the railing, the elastic piece, the waterproof cover and the hook piece of the present application;

[0030] Figure 7 It is a schematic view of the structure of the railing inserted into the mounting cylinder of the present application;

[0031] Figure 8 It is a schematic view of the railing inserted into the mounting cylinder of the present application;

[0032] Figure 9 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0033] Figure 10 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application; Figure 9 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0034] Figure 11 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0035] Figure 12 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0036] Figure 13 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0037] Figure 14 Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application.

[0038] Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0039] Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0040] Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0041] Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0042] Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application;

[0043] Figure 1 is a top view of the cooperation relationship of the perforation, hook member, and clamping member of the present application; DETAILED DESCRIPTION

[0044] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0045] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. It should be understood that the terms "first", "second" and the like are used to describe various information in the present application, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information without departing from the scope of the present application, and similarly, the "second" information can also be referred to as "first" information.

[0046] As Figures 1-14 shown, the embodiment of the present application provides an activity railing locking structure, which comprises a hook piece 1, comprising a first connecting part 11 extending upward and downward, a second connecting part 12 connected perpendicularly to the end of the first connecting part 11, the other end of the first connecting part 11 being used for connecting the bottom wall of a railing 8 perpendicularly, in the present scheme, the first connecting part 11 can be connected coaxially with the bottom wall of the railing 8, or can be connected eccentrically with the bottom wall of the railing 8, regardless of which connection mode is adopted, the setting of the perforation 23 needs to be matched and corresponding to the second connecting part 12; in the present scheme, the first connecting part 11 is coaxially connected with the bottom wall of the railing 8 as an example for description and illustration; the railing 8 in the present scheme is a hollow pipe (a galvanized water gas pipe with a diameter of 42.25mm can be selected), an upper sealing plate 81 is arranged at the upper end of the pipe, a second lower sealing plate 82 is arranged at the lower end of the pipe, the first connecting part 11 is fixedly connected to the lower end face of the second lower sealing plate 82 (as shown in Figure 5 shown), a fixing ring 84 is arranged on the outer periphery of the railing 8, the fixing ring 84 is used for pulling a fixed steel wire rope, the fixing ring 84 adopts a round steel with a diameter of 5mm and is weldedly connected with the railing 8; the first connecting part 11 and the second connecting part 12 in the present scheme are integrally arranged and are made of a round steel with a diameter of 5mm.

[0047] The mounting cylinder 2 is connected to the structural platform 9 along the thickness direction of the structural platform 9, and at least partially located below the structural platform 9, so that part of the structure of the mounting cylinder 2 is embedded below the structural platform 9, and the height of the mounting cylinder 2 protruding from the upper surface of the structural platform 9 is greatly reduced, thereby reducing the probability of tripping over by pedestrians; the mounting cylinder 2 has a receiving cavity 21 for inserting the railing 8 into the mounting cylinder 2 from top to bottom along the axial direction, and a through hole 23 is provided along the thickness direction of the bottom wall of the receiving cavity 21 for allowing the second connecting part 12 to pass through the bottom of the mounting cylinder 2 (the projection of the through hole 23 along the axial direction of the mounting cylinder 2 is larger than the projection of the first connecting part 11 and the second connecting part 12 along the axial direction of the mounting cylinder 2, so that the second connecting part 12 can freely pass through the through hole 23 from top to bottom or from bottom to top); the inner diameter of the mounting cylinder 2 in the present scheme is slightly larger than the outer diameter of the railing 8, and the diameter can be 62 mm and the wall thickness is 3 mm, which is made of seamless steel pipe; in the present embodiment, most of the body structure of the mounting cylinder 2 can be arranged below the structural platform 9, so that the upper end of the mounting cylinder 2 only protrudes a small height, which is used as the first welding area (the black area in Figure 12 ) between the mounting cylinder 2 and the upper surface of the structural platform 9, and at the same time, the contact part between the mounting cylinder 2 and the lower surface of the structural platform 9 is used as the second welding area (the black area in Figure 12 ), so as to firmly mount the mounting cylinder 2 on the structural platform 9.

[0048] As shown in Figure 7 , the clamping piece 3 is arranged at the lower end face of the mounting cylinder 2, and in the present embodiment, the clamping piece 3 is provided with one or more, and the plurality of clamping pieces 3 are arranged at intervals around the first connecting part 11 to position the railing 8 along the circumferential direction of the mounting cylinder 2, and the clamping piece 3 is arranged away from the through hole 23; and the elastic piece 4 is arranged along the axial direction of the railing 8, and the upper end of the elastic piece 4 is used for connecting the railing 8; the receiving cavity 21 has a stop portion, and the railing 8 is inserted into the receiving cavity 21, so that the lower end of the elastic piece 4 abuts against the stop portion; the railing 8 is inserted into the receiving cavity 21, so that the lower end of the elastic piece 4 abuts against the stop portion and extrudes the elastic piece 4, the second connecting part 12 passes through the through hole 23, the railing 8 is rotated to make the second connecting part 12 correspond to the clamping piece 3, the railing 8 is loosened, the elastic piece 4 is reset, and the second connecting part 12 is driven to move upward and be clamped in the clamping piece 3 and abut against the lower end face of the mounting cylinder 2.

[0049] In specific use, as shown in Figure 14As shown in the figure, the worker needs to hold the railing 8 to align the railing 8 with the accommodating cavity 21 and make the second connecting part 12 at the position corresponding to the through hole 23, then insert the bottom of the railing 8 into the accommodating cavity 21, in the above process, the hook member 1 will first enter into the accommodating cavity 21, as the railing 8 continues to move downward in the accommodating cavity 21, the elastic member 4 abuts against the stop portion and starts to compress the elastic member 4, so that the second connecting part 12 and the first connecting part 11 pass through the through hole 23 in sequence and the second connecting part 12 is placed below the clamping member 3, then rotate the railing 8 to make the second connecting part 12 rotate to the position corresponding to the clamping member 3, finally remove the downward pressure applied to the railing 8, so that the railing 8 moves upward a small distance under the action of the elastic member 4 and synchronously drives the second connecting part 12 to move upward, finally makes the second connecting part 12 clamped in the clamping member 3 and abuts against the lower end surface of the mounting cylinder 2, the clamping member 3 is used to realize the positioning of the railing 8 along the circumference of the mounting cylinder 2, and the second connecting part 12 abuts against the lower end surface of the mounting cylinder 2 and is used to realize the positioning of the railing 8 along the axis of the mounting cylinder 2 under the cooperation of the elastic member 4; thus the railing 8 is positioned and locked in the mounting cylinder 2; then connect the steel wire rope and the fixing ring 84 arranged on the railing 8, thereby realizing the enclosure of the opening 91 on the structural platform 9 (as shown in the figure). Figure 2 When it is needed to remove the railing 8, the worker only needs to press the railing 8 downward and make the second connecting part 12 exit from the clamping member 3, then rotate the railing 8 and make the second connecting part 12 rotate to the position corresponding to the through hole 23, and then pull the railing 8 upward to realize the effect of removing the railing 8 from the mounting cylinder 2, the whole process is simple and convenient to operate.

[0050] In some embodiments of the present application, in order to further reduce the risk probability of tripping when the passing pedestrians pass by, the mounting cylinder 2 can be completely arranged in the structural platform 9 in the embodiment, so that the upper end surface of the mounting cylinder 2 does not protrude from the upper surface of the structural platform 9 (is flush with the upper surface of the structural platform 9), when in the non-working condition, the mounting cylinder 2 is completely embedded below the structural platform 9, so that the upper surface of the structural platform 9 is a flat surface; it needs to be noted that: when this arrangement is adopted, only the contact part between the lower end surface of the structural platform 9 and the mounting cylinder 2 is used as the welding area for fixing the mounting cylinder 2 on the structural platform 9.

[0051] In some embodiments of the present application, as shown in the figure, Figure 7As shown, the mounting cylinder 2 further comprises a first lower sealing plate 22 for constituting a bottom wall of the accommodating cavity 21, and a through hole 23 is arranged through the thickness direction of the first lower sealing plate 22; the clamping piece 3 comprises two spaced-apart clamping blocks 31 fixedly connected to the lower end face of the first lower sealing plate 22, and the space between the two matched clamping blocks 31 forms a clamping groove for stopping the second connecting portion 12, and the distance between the two clamping blocks 31 is not less than the outer diameter of the second connecting portion 12, so as to clamp and stop the second connecting portion 12 and realize the positioning of the railing 8 along the circumference of the mounting cylinder 2.

[0052] In the present scheme, a plurality of matched clamping blocks 31 are arranged at the lower end face of the first lower sealing plate 22 and spaced apart from the first connecting portion 11, as shown in Figure 9 As shown, when the second connecting portion 12 passes through the through hole 23 and is located below the clamping blocks 31, the worker can rotate the railing 8 to any angle as long as the second connecting portion 12 can be rotated with the railing 8 to the position directly below the region between the two matched clamping blocks 31, and then remove the downward pressing force applied to the railing 8, and drive the railing 8 to move upward a small distance under the action of the elastic member 4, so that the second connecting portion 12 moves upward and is clamped in the clamping groove, thereby realizing the positioning of the railing 8 along the circumference of the mounting cylinder 2; as shown in Figure 10 As shown, the two matched clamping blocks 31 can be provided with arc-shaped chamfer portions 32 on the back side, so that when the worker rotates the railing 8, the second connecting portion 12 can easily pass through the clamping blocks 31 and be clamped in the clamping groove under the guidance of the arc-shaped chamfer portions 32.

[0053] In the present embodiment, the distance between the two adjacent clamping blocks 31 in the two adjacent groups of clamping pieces 3 can be set to be not less than the outer diameter of the second connecting portion 12, as shown in Figure 9 Therefore, as long as the second connecting portion 12 is rotated to the position directly below the region between any two clamping blocks 31 during the rotation of the railing 8, the clamping of the second connecting portion 12 can be realized, so that the positioning of the railing 8 along the circumference of the mounting cylinder 2 can be completed when the railing 8 is at different angles, the locked angle of the railing 8 has more choices, and the applicability of the locking structure is improved.

[0054] As shown in Figure 5 , Figure 6 In the present embodiment, a waterproof cover 83 is coaxially connected to the outer periphery of the railing 8, so that when the railing 8 is inserted into the mounting cylinder 2, the upper end of the mounting cylinder 2 is covered; as shown in Figure 8As shown, the elastic member 4 is arranged between the inner wall of the accommodating cavity 21 and the handrail 8, the upper end of the elastic member 4 is connected to the lower end face of the waterproof cover 83 (the elastic member 4 in the present scheme can be a spring sleeved on the outer periphery of the handrail 8), when the handrail 8 is locked in the mounting cylinder 2, the waterproof cover 83 is at the upper end of the mounting cylinder 2 (the mounting position of the waterproof cover 83 relative to the handrail 8 needs to meet: when the second connecting part 12 is lowered to the position below the clamping block 31, the lower end face of the waterproof cover 83 does not contact or just contacts the upper end face of the mounting cylinder 2, when the handrail 8 is moved up by a small distance and the second connecting part 12 is clamped in the clamping groove, the lower end face of the waterproof cover 83 is spaced apart from the upper end face of the mounting cylinder 2), thereby achieving covering the mounting cylinder 2, which can effectively prevent rain or sundries in the external environment from invading the accommodating cavity 21 through the gap between the handrail 8 and the inner wall of the accommodating cavity 21, ensuring the cleanliness inside the accommodating cavity 21, thereby realizing protection of the locking structure in the working condition.

[0055] As shown in some embodiments of the present application, Figure 7 , Figure 8 As shown, the stop portion includes a stop ring 24 coaxially arranged on the inner wall of the accommodating cavity 21, the projection of the inner contour of the stop ring 24 along the axis of the mounting cylinder 2 is between the projections of the handrail 8 and the elastic member 4 along the axis of the mounting cylinder 2, so that the handrail 8 can pass through the stop ring 24 from top to bottom or from bottom to top, and the lower end of the elastic member 4 abuts on the stop ring 24 (as shown in Figure 8 If the handrail 8 continues to move downward, the elastic member 4 is extruded, so that when the second connecting part 12 rotates with the handrail 8 to the position directly below the region between the two clamping blocks 31, the force applied to the handrail 8 is removed, the handrail 8 moves upward under the action of the elastic member 4 and the second connecting part 12 is clamped in the clamping groove, at the same time, the second connecting part 12 abuts on the lower end face of the mounting cylinder 2 (that is, the lower end face of the first lower sealing plate 22), finally realizing the locking and positioning of the handrail 8 relative to the mounting cylinder 2 in the axial and circumferential directions.

[0056] As shown in some embodiments of the present application, Figure 12 As shown, the movable handrail locking structure further includes a sealing member 5, the sealing member 5 includes a large diameter portion 51 and a small diameter portion 52 connected to the lower end of the large diameter portion 51, the outer diameter of the small diameter portion 52 matches the inner diameter of the accommodating cavity 21; when the mounting cylinder 2 is in a non-working condition (that is, the handrail 8 is not inserted into the mounting cylinder 2), the small diameter portion 52 of the sealing member 5 is inserted into the accommodating cavity 21 and the large diameter portion 51 abuts on the upper end face of the mounting cylinder 2; then through the cooperation between the large diameter portion 51 and the small diameter portion 52, the accommodating cavity 21 is sealed when the mounting cylinder 2 is in a non-working condition, so as to prevent rain or sundries in the external environment from invading the accommodating cavity 21, ensuring the cleanliness of the accommodating cavity 21.

[0057] As shown in some embodiments of the present application,Figure 12 As shown, the movable rail locking structure further comprises a sleeve 6 arranged below the structural platform 9, the sleeve 6 comprises a sleeve pipe and a third lower sealing plate 61 arranged at the bottom of the sleeve pipe, the sleeve 6 is sleeved on the outer periphery of the mounting cylinder 2 and is arranged at intervals between the third lower sealing plate 61 and the first lower sealing plate 22 (for accommodating the movement space allowance of the clamping block 31 and the second connecting part 12 after passing through the perforation 23), the sleeve 6 and the mounting cylinder 2 are connected through the flange 7; the flange 7 is a flange plate arranged on the outer periphery of the mounting cylinder 2 and the outer periphery of the sleeve 6 respectively, the two flange plates are connected through fasteners (bolts), in order to improve the sealing performance of the connection between the two flange plates, a rubber gasket can be arranged between the two flange plates, so that the two flange plates are tightly attached together under the action of the fasteners, and the rubber gasket is in a compressed state, which can avoid the water vapor in the external environment from entering the space surrounded by the mounting cylinder 2 and the sleeve 6, and ensure the sealing performance in the above-mentioned space (so as to avoid unnecessary rust of the internal structure); at the same time, the arrangement of the sleeve 6 can also effectively avoid the clamping block 31 arranged on the lower end surface of the mounting cylinder 2 from being collided and separated from the mounting cylinder 2 when the object below the structural platform 9 moves, thereby improving the service life of the locking structure; when it is necessary to clean the inside of the sleeve 6 or to maintain and replace the clamping block 31, the sleeve 6 can be detached from the mounting cylinder 2 by removing the fasteners, and then the subsequent cleaning or maintenance and replacement work can be completed.

[0058] In some embodiments of the present application, as Figure 12As shown, the sealing element 5 also includes a vent pipe 53 (with an internal air hole extending axially through the vent pipe 53) that runs through the sealing element 5 along its axial direction. Both the upper and lower ends of the vent pipe 53 extend out of the sealing element 5. A clamping nut 54, which abuts against the sealing element 5, is threaded onto one end of the vent pipe 53 extending out of the sealing element 5, so that the vent pipe 53 is clamped and positioned on the sealing element 5. A sealing cap 55 is detachably connected to the upper end of the vent pipe 53 (the sealing cap 55 is threaded to the upper end of the vent pipe 53). Both the upper and lower ends of the vent pipe 53 are threaded, with the upper thread length greater than the lower thread length, so that the sealing cap 55 and the clamping nut 54 can be installed in conjunction with the upper thread of the vent pipe 53. When it is necessary to restructure the platform 9... When installing railings 8 around the opening 91, the sealing element 5 needs to be removed from the accommodating cavity 21 first. Since the accommodating cavity 21 is basically sealed when the sealing element 5 blocks it, it is difficult to pull out the sealing element 5 due to air pressure. At this time, the sealing cap 55 installed on the vent pipe 53 is removed, so that the upper end of the vent pipe 53 is connected to the outside, and the environment inside the accommodating cavity 21 is connected to the outside through the vent pipe 53. Then the sealing element 5 can be easily removed from the accommodating cavity 21. Note: The large diameter part 51 in this solution should be made as thin as possible to minimize the height of the locking structure protruding from the upper surface of the structural platform 9 when the entire structure is not in operation.

[0059] In some embodiments of this application, to make it easier for workers to remove the seal 5, such as... Figure 12 As shown, a mounting plate 56 (a thin metal sheet) is provided on the upper end face of the large diameter portion 51, such as... Figure 13 As shown, the mounting plate 56 has a through hole for the vent pipe 53 to pass through; the clamping nut 54 located above abuts against the upper end face of the mounting plate 56, thereby pressing the mounting plate 56 against the upper end face of the seal 5, and thus positioning the mounting plate 56. Mounting sleeves 58 (connected by welding) are respectively provided on both sides of the through hole on the mounting plate 56 for mounting pull rings 57, and the two ends of the pull rings 57 are rotatably mounted in the mounting sleeves 58, so that the pull rings 57 can rotate freely relative to the mounting plate 56; when the mounting cylinder 2 is in a non-operating state, the pull rings 57 are rotated to a horizontal state to reduce the encroachment on the vertical space; when it is necessary to remove the seal 5 from the receiving cavity 21, the pull rings 57 are rotated to a vertical state to pull the seal 5 out of the receiving cavity 21.

[0060] In some embodiments of this application, the sealing element 5 in this solution is water-swellable rubber, which can expand 2-3 times after contact with water and fill all irregular surfaces and gaps between the small diameter portion 52 and the inner wall of the accommodating cavity 21, thereby achieving a better sealing effect in rainy weather.

[0061] The working process of the present application is as follows: when it is needed to set the railing 8 around the opening 91 on the structure platform 9, first, the sealing member 5 is pulled out from the accommodating cavity 21, then the bottom of the railing 8 is inserted into the accommodating cavity 21 (so that the second connecting part 12 is aligned with the perforation 23), so that the second connecting part 12 passes through the perforation 23 and moves downward to the position below the clamping block 31, then the railing 8 is rotated to a certain angle, so that the second connecting part 12 is located directly below the middle of the area surrounded by two adjacent clamping blocks 31, then the force applied on the railing 8 is removed, so that the railing 8 moves upward a small distance under the action of the elastic member 4, thereby making the second connecting part 12 move upward and be clamped in the clamping groove, and at the same time making the second connecting part 12 abut against the lower end surface of the first lower sealing plate 22, finally realizing the locking and positioning of the railing 8 along the circumferential direction and the axial direction of the mounting cylinder 2.

[0062] In summary, the embodiment of the present application provides a movable railing locking structure, the mounting cylinder 2 for locking the railing 8 is arranged through the structure platform 9, and the mounting cylinder 2 is arranged below the structure platform 9, compared with the traditional method of directly arranging the base for locking the railing 8 on the upper end surface of the structure platform 9, the probability of causing the risk of tripping for passing pedestrians is greatly reduced, and the safety of passing pedestrians is ensured; at the same time, through the cooperation of the clamping member 3, the elastic member 4 and the perforation 23, the railing 8 can be quickly locked and positioned in the mounting cylinder 2, and the railing 8 can also be quickly removed from the mounting cylinder 2; the whole process only needs to control the upward movement or downward movement and rotation of the railing 8 to realize the locking or removal of the railing 8, the operation process is simple and convenient, the labor of the workers is reduced, and the work efficiency of the workers is improved.

[0063] The above only describes the preferred embodiments of the present application, and it should be noted that for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A movable railing locking structure for locking a railing (8) to a structural platform (9), characterized in that, include: The hook component (1) includes a first connecting part (11) extending vertically and a second connecting part (12) vertically connected to the lower end of the first connecting part (11), and the other end of the first connecting part (11) is vertically connected to the bottom wall of the railing (8). The mounting cylinder (2) passes through the structural platform (9) in the vertical direction. The mounting cylinder (2) is at least partially located below the structural platform (9). The mounting cylinder (2) has a receiving cavity (21) for the railing (8) to be inserted from top to bottom. The bottom wall of the receiving cavity (21) is provided with a through hole (23) for the second connecting part (12) to pass through. The elastic element (4) can be compressed in the vertical direction. The upper end of the elastic element (4) is connected to the railing (8). The lower part of the accommodating cavity (21) has a stop part that blocks the lower end of the elastic element (4). A snap-fit ​​component (3) is provided on the lower end face of the mounting cylinder (2); The railing (8) is inserted into the receiving cavity (21) and the second connecting part (12) is driven to pass through the through hole (23), so that the lower end of the elastic member (4) abuts against the stop part and squeezes the elastic member (4), and the railing (8) is rotated so that the second connecting part (12) stops with the snap-fit ​​member (3); A waterproof cover (83) is connected to the outer periphery of the railing (8) so that when the railing (8) is inserted into the mounting cylinder (2), it covers the mounting cylinder (2); The elastic element (4) is disposed between the inner wall of the accommodating cavity (21) and the railing (8), and the upper end of the elastic element (4) is connected to the lower end face of the waterproof cover (83); The stop portion includes a stop ring (24) coaxially connected to the inner wall of the receiving cavity (21). The projection of the inner contour of the stop ring (24) along the axial direction of the mounting cylinder (2) is between the projection of the railing (8) and the projection of the elastic member (4) along the axial direction of the mounting cylinder (2) so that when the railing (8) is inserted into the mounting cylinder (2), the lower end of the elastic member (4) abuts against the stop ring (24).

2. The movable railing locking structure according to claim 1, characterized in that, The upper end face of the mounting cylinder (2) does not protrude from the upper surface of the structural platform (9).

3. The movable railing locking structure according to claim 2, characterized in that, The mounting cylinder (2) also includes a first lower sealing plate (22) that forms the bottom wall of the accommodating cavity (21), and the perforation (23) passes through the first lower sealing plate (22) vertically. The snap-fit ​​component (3) includes two snap-fit ​​blocks (31) spaced apart. The snap-fit ​​blocks (31) are fixedly connected to the lower end face of the first lower sealing plate (22). The gap between the two snap-fit ​​blocks (31) forms a snap-fit ​​groove for blocking the second connecting part (12).

4. The movable railing locking structure according to claim 1, characterized in that, The movable railing locking structure also includes a sealing element (5), which includes a large diameter portion (51) and a small diameter portion (52) connected to the lower end of the large diameter portion (51). The outer diameter of the small diameter portion (52) matches the inner diameter of the accommodating cavity (21).

5. The movable railing locking structure according to claim 4, characterized in that, The movable railing locking structure also includes a sleeve (6) located below the structural platform (9). The sleeve (6) is fitted around the outer periphery of the mounting cylinder (2). The bottom wall of the sleeve (6) is spaced apart from the bottom wall of the mounting cylinder (2). The sleeve (6) and the mounting cylinder (2) are connected by a flange (7).

6. The movable railing locking structure according to claim 4, characterized in that, The sealing element (5) further includes a vent pipe (53) that extends through the sealing element (5) along its axial direction. Both the upper and lower ends of the vent pipe (53) extend out of the sealing element (5). The end of the vent pipe (53) extending out of the sealing element (5) is threaded with a clamping nut (54) that abuts against the sealing element (5) so that the vent pipe (53) is clamped and positioned on the sealing element (5). The upper end of the vent pipe (53) is detachably connected to a sealing cap (55).

7. The movable railing locking structure according to claim 6, characterized in that, The upper end face of the large diameter portion (51) is provided with a mounting plate (56), the mounting plate (56) having a through hole through which the vent pipe (53) passes; the clamping nut (54) located above presses against the upper end face of the mounting plate (56), and a pull ring (57) is rotatably mounted on the mounting plate (56).

8. The movable railing locking structure according to any one of claims 4-7, characterized in that, The sealing element (5) is made of water-swellable rubber.

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