CN216517527U - Platform door threshold assembly and platform door - Google Patents

Abstract

The embodiment of the application provides a platform door threshold assembly and a platform door, wherein the platform door threshold assembly comprises a first threshold assembly, a second threshold assembly, a support frame and a plurality of adjusting assemblies, the first threshold assembly and the second threshold assembly are arranged side by side, the first support frame of the support frame is fixed on the bottom surface of the first threshold assembly, and the second support frame is fixed on the bottom surface of the second threshold assembly; the first support frame and the second support frame are both movably connected with the adjusting component. The flatness of the first threshold assembly and the flatness of the second threshold assembly can be adjusted by the adjusting assembly of the platform door threshold assembly under the condition that the adjusting assembly is close to or far away from the supporting frame, the problem that the first threshold assembly and the second threshold assembly are uneven in a convex or concave mode is solved, and the structural stability of the platform door threshold assembly is guaranteed.

Description

Platform door threshold assemblies and platform doors

technical field

The application belongs to the technical field of rail transit equipment, and in particular, the application relates to a platform door threshold assembly and a platform door.

Background technique

With the acceleration of the pace of social life, urban rail transportation such as subways is developing rapidly. In order to ensure the safety of passengers, a screen door system will be installed next to the platform near the subway track, and the screen door system can separate the waiting platform from the track. Sliding doors are generally used in this type of screen door system. In order to ensure the safety of passengers and prevent unpredictable emergencies, for the design and installation of subway screen doors, on the one hand, the screen door is required to be isolated from the surrounding civil structures and other equipment, on the other hand. It is required that the screen door fixed on the platform can not only bear various loads, but also adjust to absorb the settlement deformation that may occur in the civil construction.

The threshold structure of the traditional platform door needs to be installed through the cooperation of various components in order to ensure its stability and insulation, but such a structure actually still has many defects. On the one hand, the assembly process and structural complexity of the sill structure are increased. On the other hand, due to the high frequency of adjustment and replacement of various components during the matching process, for example, when the sill is convex or concave, the flatness of the sill needs to be adjusted. , but the space at the lower part of the sill is small, which is inconvenient for the adjustment and replacement of the sill.

Utility model content

One objective of the embodiments of the present application is to provide a new technical solution for a platform door threshold assembly and a platform door.

According to a first aspect of the present application, a platform door threshold assembly is provided, comprising:

The first rocker assembly and the second rocker assembly, the first rocker assembly and the second rocker assembly are arranged side by side, and there is a sliding gap between the first rocker assembly and the second rocker assembly, and the two rocker assemblies of the first rocker assembly. Both ends and both ends of the second rocker assembly are fixed on the bottom plate of the column;

A support frame, the support frame includes a first support frame and a second support frame, the first support frame is fixed to the bottom surface of the first rocker assembly, and the second support frame is fixed to the bottom of the second rocker assembly bottom surface;

A plurality of adjustment assemblies, the first support frame and the second support frame are movably connected with the adjustment assemblies, and the adjustment assemblies are configured to be close to or away from the support frame. The flatness of the first rocker assembly and the second rocker assembly is adjusted.

Optionally, a through hole is provided on the first support frame, and an assembly nut is welded on a side of the through hole edge close to the first rocker assembly;

The adjustment assembly includes a screw rod, and the screw rod is threadedly engaged with the assembly nut through the through hole.

Optionally, an adjustment block is sleeved at one end of the screw rod away from the first support frame, and the adjustment block has relatively parallel clamping surfaces on the outer circumference.

Optionally, the adjustment block is provided with an operation hole perpendicular to the clamping surface.

Optionally, a first nut and a second nut are provided on the screw rod, the first nut is provided on a side of the support frame away from the assembly nut, and forms self-locking with the assembly nut;

The second nut is close to the adjusting block and forms self-locking with the adjusting block.

Optionally, the first rocker assembly includes at least one first lining plate and a first cover plate covering the outside of the first lining plate, and the second rocker assembly includes a second lining plate and covering the first lining plate. The second cover plate outside the second liner plate.

Optionally, both ends of the first cover plate are provided with first connection holes, and both ends of the second cover plate are provided with second connection holes;

The first liner is provided with a third connection hole opposite to the first connection hole, and the second liner is provided with a fourth connection hole opposite to the second connection hole.

Optionally, both the first connection hole and the second connection hole are waist-shaped holes.

Optionally, the first support frame includes a middle support frame and an end support frame, the middle support frame is fixed to the middle of the first rocker assembly along its extending direction, and the end support frame is fixed to the both ends of the first sill assembly.

Optionally, the side edge of the middle support frame is bent to form a leakage gap.

Optionally, a connecting bracket is provided between the first rocker assembly and the second rocker assembly, and the connecting bracket is configured to limit the width of the sliding gap.

According to a second aspect of the present application, there is provided a platform door, comprising a column base plate and the platform door threshold assembly described in the first aspect;

Both ends of the first rocker assembly and both ends of the second rocker assembly are fixed on the upright bottom plate.

Optionally, a sliding door is also included, and the sliding door is slidably disposed in the sliding gap.

A technical effect of the embodiments of the present application is:

An embodiment of the present application provides a platform door sill assembly. The platform door sill assembly includes a first sill assembly, a second sill assembly, a support frame and a plurality of adjustment assemblies. The adjustment assembly of the platform door sill assembly can adjust the flatness of the first sill assembly and the second sill assembly when it is close to or away from the support frame, avoiding the need for the first sill assembly and the second sill assembly. The unevenness of the sill assembly is raised or concave, which ensures the structural stability of the platform door sill assembly.

Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application.

FIG. 1 is a schematic assembly diagram 1 of a platform door threshold assembly provided in an embodiment of the application;

2 is a second assembly schematic diagram of a platform door threshold assembly provided by an embodiment of the present application;

3 is a perspective view of a platform door threshold assembly provided in an embodiment of the present application;

4 is a top view of a platform door threshold assembly according to an embodiment of the present application;

5 is a side bottom view of a platform door threshold assembly provided in an embodiment of the application;

Fig. 6 is the sectional view of A-A surface in Fig. 4;

Fig. 7 is the sectional view of the B-B plane in Fig. 4;

8 is an assembly diagram of a first lining plate and a first support frame of a platform door sill assembly provided in an embodiment of the present application;

FIG. 9 is a schematic diagram of a first support frame of a platform door threshold assembly according to an embodiment of the present application.

Wherein: 1-first rocker assembly; 11-first lining plate; 111-third connecting hole; 12-first cover plate; 121-first connecting hole; 13-positioning pin; 2-second rocker assembly; 21 -Second lining plate; 211- Fourth connecting hole; 22-Second cover plate; 221-Second connecting hole; 3-Support frame; 31-First support frame; 311-Through hole; - Middle support frame; 314 - End support frame; 32 - Second support frame; 4 - Adjustment assembly; 41 - Screw rod; 42 - Adjustment block; 421 - Operation hole; 43 - First nut; 5-connecting bracket; 6-hole cover.

Detailed ways

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and apparatus should be considered part of the specification.

In all examples shown and discussed herein, any specific values should be construed as illustrative only and not limiting. Accordingly, other instances of the exemplary embodiment may have different values.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

1 to 9, an embodiment of the present application provides a platform door threshold assembly, the platform door threshold assembly includes:

A first rocker assembly 1, a second rocker assembly 2, a support frame 3 and a plurality of adjustment assemblies 4, the first rocker assembly 1 and the second rocker assembly 2 are arranged side by side, and the first rocker assembly 1 and the second rocker assembly 4 There is a sliding gap between the components 2, and the setting of the sliding gap can facilitate the platform door to slide between the first rocker component 1 and the second rocker component 2, and provide an accurate sliding track for the platform door. While the first rocker assembly 1 and the second rocker assembly 2 have longer extension dimensions in the length direction, both ends of the first rocker assembly 1 and both ends of the second rocker assembly 2 can be fixed to the uprights On the bottom plate, the column bottom plate has been leveled, which can ensure the level of the first rocker assembly 1 and the second rocker assembly 2.

Referring to FIGS. 2 and 5 , the support frame 3 includes a first support frame 31 and a second support frame 32 , the first support frame 31 is fixed on the bottom surface of the first rocker assembly 1 , and the second support frame 32 is fixed on the bottom surface of the second rocker assembly 2; the first support frame 31 and the second support frame 32 are movably connected with the adjustment assembly 4, and the adjustment assembly 4 is configured to be close to or Adjust the flatness of the first rocker assembly 1 and the second rocker assembly 2 away from the support frame 3 .

Specifically, the bottom end of the adjustment assembly 4 can abut the ground, and the top end of the adjustment assembly 4 can be movably connected to the first support frame 31 and the second support frame 32 , and the adjustment assembly 4 The top end can be rotatably connected or snapped to the first support frame 31 and the second support frame 32, so that the adjustment assembly 4 can flexibly adjust the adjustment when it is close to or away from the support frame 3 The support height of the assembly 4 is adjusted, and the heights of the first rocker assembly 1 and the second rocker assembly 2 are adjusted to ensure the flatness of the first rocker assembly 1 and the second rocker assembly 2 . In addition, the platform door sill assembly may be a fixed door sill, a sliding door sill, an emergency door sill or an end door sill, and the like.

The platform door sill assembly provided in the embodiment of the present application includes a first sill assembly 1, a second sill assembly 2, a support frame 3 and a plurality of adjustment assemblies 4, and the first sill assembly 1 and the second sill assembly 2 are arranged side by side , the first support frame 31 of the support frame 3 is fixed on the bottom surface of the first rocker assembly 1, and the second support frame 32 of the support frame 3 is fixed on the bottom surface of the second rocker assembly 2; A support frame 31 and the second support frame 32 are movably connected with the adjustment assembly 4 , and the adjustment assembly 4 can adjust the first rocker assembly 1 and the first rocker assembly 1 and the The flatness of the second sill assembly 2 is adjusted to avoid the unevenness of the first sill assembly 1 and the second sill assembly 2 being convex or concave, and to ensure the structural stability of the platform door sill assembly. In addition, the arrangement of a plurality of the adjustment assemblies 4 facilitates the installation, adjustment and maintenance of the first rocker assembly 1 and the second rocker assembly 2, and reduces the maintenance cost of the platform door threshold assembly.

Optionally, referring to FIG. 5 and FIG. 7 , the first support frame 31 is provided with a through hole 311 , and an assembly nut 312 is welded on the side of the through hole 311 close to the first rocker assembly 1 ;

The adjustment assembly 4 includes a screw rod 41 , and the screw rod 41 is threadedly engaged with the assembly nut 312 through the through hole 311 .

Specifically, a movement space of the adjustment assembly 4 may be reserved between the first support frame 31 and the first rocker assembly 1 , so that the adjustment assembly 4 can approach or be away from the first support frame 31 . When the screw rod 41 of the adjustment assembly 4 is threadedly matched with the assembly nut 312, since the assembly nut 312 is fixed on the first support frame 31, that is, the assembly nut 312 and the first rocker The assembly 1 has a relatively fixed positional relationship. When the screw rod 41 rotates relative to the assembling nut 312, the screw rod 41 can be close to the first support frame 31, and the height of the first rocker assembly 1 can be adjusted to ensure the first support frame 31. The flatness of a rocker assembly 1 . Similarly, the second support frame 32 may also be provided with a through hole 311 , and the connection method between the screw rod 41 and the second support frame 32 and the connection method between the screw rod 41 and the second support frame 32 same.

Optionally, referring to FIG. 7 , an adjusting block 42 is sleeved at one end of the screw rod 41 away from the first support frame 31 , and the adjusting block 42 has relatively parallel clamping surfaces on the outer circumference.

Specifically, when the screw rod 41 is close to or away from the first support frame 31 , since the screw rod 41 is threadedly matched with the assembly nut 312 , it is necessary to rotate the screw rod 41 to realize the support of the screw rod 41 . Height adjustment. When the adjustment block 42 is sleeved on the screw rod 41 and has relatively parallel clamping surfaces, the clamping surface can be clamped by a clamping tool such as a wrench, so as to facilitate the connection between the clamping tool and the adjustment block 42 . The clamping position between the two can improve the convenience and operability of the screw 41 to rotate.

Optionally, referring to FIG. 7 , the adjustment block 42 is provided with an operation hole 421 perpendicular to the clamping surface.

Specifically, the operation hole 421 may be a through hole or a counterbore. If there is no suitable tool to hold the adjusting block 42, a tool such as a round bar or a screwdriver can be inserted into the operation hole 421 to pull the rotating adjusting block 42, thereby realizing the vertical adjustment of the adjusting block 42 and the screw rod 41 to achieve The purpose of adjusting the supporting height of the first rocker assembly 1.

Optionally, referring to FIG. 7 , a first nut 43 and a second nut 44 are arranged on the screw rod 41 , and the first nut 43 is arranged on the side of the support frame 3 away from the assembly nut 312 , and is connected with the mounting nut 312 . The assembly nut 312 forms self-locking;

The second nut 44 is close to the adjusting block 42 and forms self-locking with the adjusting block 42 .

Specifically, after the flatness of the first rocker assembly 1 meets the adjustment requirements, the thread fit of the screw rod 41 and the assembly nut 312 is maintained at a relatively fixed position. In order to avoid the relative rotation of the screw rod 41 and the assembly nut 312 when they are required to be relatively fixed, the first nut 43 may be provided on the side of the support frame 3 away from the assembly nut 312 . 43 is opposite to the thread direction of the assembly nut 312, and the screw rod 41 can be locked on the assembly nut 312; and the second nut 44 and the adjustment block 42 form self-locking to fix the adjustment. The relative position of the block 42 and the screw rod 41 realizes the locking of the two ends of the screw rod 41 after adjustment.

Optionally, referring to FIGS. 3 to 7 , the first rocker assembly 1 includes at least one first lining plate 11 and a first cover plate 12 covering the outside of the first lining plate 11 , and the second rocker assembly 1 2 Including a second lining plate 21 and a second cover plate 22 covering the outside of the second lining plate 21 .

Specifically, since the first lining plate 11 and the second lining plate 21 are respectively disposed inside the first cover plate 12 and the second cover plate 22 , the first lining plate 11 and the second lining plate 21 can It is a lining plate such as a nickel plate or a zinc plate with good toughness; and the first cover plate 12 and the second cover plate 22 are directly outside, and need to have higher deformation resistance and aesthetic appearance. The first cover plate 12 And the second cover plate 22 can be a relatively rigid stainless steel plate. In addition, the number of the first lining plates 11 can be one, that is, one first lining plate 11 is correspondingly disposed in one first cover plate 12, or the number of the first lining plates 11 can also be two or more, A plurality of first lining plates 11 are arranged in a corresponding first cover plate 12 after being side by side.

Optionally, referring to FIG. 1 and FIG. 6 , both ends of the first cover plate 12 are provided with first connection holes 121 , and both ends of the second cover plate 22 are provided with second connection holes 221 ;

The first backing plate 11 is provided with a third connection hole 111 opposite to the first connection hole 121 , and the second backing plate 21 is provided with a fourth connection hole opposite to the second connection hole 221 211.

Specifically, both ends of the first rocker assembly 1 and both ends of the second rocker assembly 2 can be fixed on the bottom plate of the column, specifically by passing through the first connection through blind rivets or common countersunk screws The hole 121 and the third connection hole 111 are connected with the connection hole on the column base plate, and the second connection hole 221 and the fourth connection hole 211 are passed through the second connection hole 221 and the fourth connection hole 211 through blind rivets or ordinary countersunk head screws. The first rocker assembly 1 and the second rocker assembly 2 are fixed in a connection manner, which improves the connection convenience of the first rocker assembly 1 and the second rocker assembly 2 . In addition, the first connection hole 121 and the third connection hole 111, and the second connection hole 221 and the fourth connection hole 211 can also be used as access holes. The height position of the platform door sill assembly is corrected to improve the convenience of the adjustment operation of the platform door sill assembly.

Optionally, referring to FIG. 1 and FIG. 3 , both the first connection hole 121 and the second connection hole 221 are waist-shaped holes.

Specifically, when the first rocker assembly 1 and the second rocker assembly 2 are connected to the connection holes on the upright bottom plate through the first connection hole 121 and the third connection hole 111 respectively, in order to facilitate the first rocker assembly By adjusting the positions of the assembly 1 and the second rocker assembly 2, the first connecting hole 121 and the second connecting hole 221 can be set as waist-shaped holes, and the waist-shaped holes are along the first rocker assembly. The width direction extension of the first rocker assembly 1 and the second rocker assembly 2 can facilitate the position adjustment of the first rocker assembly 1 and the second rocker assembly 2 in the width direction. In addition, the first connection hole 121 and the second connection hole 221 are provided with a hole cover plate 6, and the material and thickness of the hole cover plate 6 can be the same as the first cover plate 12 and the second cover plate. 22 is the same.

Optionally, referring to FIG. 8 and FIG. 9 , the first support frame 31 includes a middle support frame 313 and an end support frame 314 , and the middle support frame 313 is fixed to the first rocker assembly 1 along its extending direction. In the middle, the end support brackets 314 are fixed to both ends of the first rocker assembly 1 .

Specifically, the adjusting assembly 4 can be movably connected to the middle support frame 313 to achieve flexible adjustment of the middle height of the first rocker assembly 1 and ensure the flatness of the first rocker assembly 1 . The end support frame 314 may be provided with a through hole, and the blind rivet or the common countersunk head screw passes through the first connection hole 121 and the third connection hole 111 and simultaneously passes through the end support frame 314 through holes, so as to realize the stable connection between the first rocker assembly 1 and the column bottom plate.

Optionally, referring to FIG. 8 and FIG. 9 , the side edges of the middle support frame 313 are bent to form a leakage gap.

Specifically, the side edge of the middle support frame 313 can be bent toward the first rocker assembly 1 to form a bent edge, so as to facilitate the stable connection between the middle support frame 313 and the first rocker assembly 1; After the middle support frame 313 is assembled with the first door sill assembly 1, protective operations such as hot dip galvanizing need to be performed. On the one hand, the waste of liquid medicine can be avoided, and on the other hand, the uniformity of hot-dip galvanizing can be guaranteed.

Optionally, referring to FIG. 2 and FIG. 5 , a connecting bracket 5 is provided between the first rocker assembly 1 and the second rocker assembly 2 , and the connecting bracket 5 is configured to limit the width of the sliding gap.

Specifically, the sliding gap between the first sill assembly 1 and the second sill assembly 2 can facilitate the platform door to slide between the first sill assembly 1 and the second sill assembly 2, and provide accurate sliding for the platform door trajectory. When the first sill assembly 1 and the second sill assembly 2 move relative to each other, the width of the sliding gap will become larger or smaller, which will affect the sliding of the platform door. For example, when the width of the sliding gap is too large , the platform door will shake in the sliding gap; and if the width of the sliding gap is too small, there is a risk of the platform door being stuck in the sliding gap. One end of the connecting bracket 5 is connected to the first rocker assembly 1, and the other end of the connecting bracket 5 is connected to the second rocker assembly 2. The connecting bracket 5 can be a steel bracket. The connecting bracket The stable structure of 5 can ensure the uniformity and stability of the sliding gap. In addition, the number of the connecting brackets 5 may be one or more, which is not limited in this embodiment of the present application.

The embodiment of the present application also provides a platform door, the platform door includes a column bottom plate and the platform door threshold assembly;

Both ends of the first rocker assembly 1 and both ends of the second rocker assembly 2 are fixed on the upright bottom plate.

Specifically, the column base plate has been leveled during installation, which can ensure the level of the first rocker assembly 1 and the second rocker assembly 2. Referring to FIGS. 3 and 4 , the first rocker assembly 1 is provided with positioning pins 13 , and the number of the positioning pins 13 may be one or more, so as to support the lower part of the sliding door.

Optionally, the platform door further includes a sliding door, and the sliding door is slidably arranged in the sliding gap, which can provide an accurate sliding trajectory for the platform door and ensure the sliding stability of the sliding door.

Although some specific embodiments of the present application have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. Those skilled in the art will appreciate that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.

Claims (13)

1. A platform door sill assembly, comprising:

the structure comprises a first threshold assembly (1) and a second threshold assembly (2), wherein the first threshold assembly (1) and the second threshold assembly (2) are arranged side by side, a sliding gap is formed between the first threshold assembly (1) and the second threshold assembly (2), and two ends of the first threshold assembly (1) and two ends of the second threshold assembly (2) are fixed on a stand column bottom plate;

the supporting frame (3) comprises a first supporting frame (31) and a second supporting frame (32), the first supporting frame (31) is fixed on the bottom surface of the first threshold component (1), and the second supporting frame (32) is fixed on the bottom surface of the second threshold component (2);

a plurality of adjusting components (4), all swing joint has on first support frame (31) and second support frame (32) adjusting components (4), adjusting components (4) are configured to be close to or keep away from under the condition of support frame (3) to the roughness of first threshold subassembly (1) and second threshold subassembly (2) is adjusted.

2. A platform door sill assembly according to claim 1, characterised in that the first support frame (31) is provided with a through hole (311), and a fitting nut (312) is welded to the edge of the through hole (311) adjacent to the side of the first sill assembly (1);

the adjusting component (4) comprises a screw rod (41), and the screw rod (41) is in threaded fit with the assembling nut (312) through the through hole (311).

3. A platform door sill assembly according to claim 2, characterised in that an adjustment block (42) is sleeved on the end of the screw (41) remote from the first support frame (31), the adjustment block (42) having opposed parallel clamping faces on its periphery.

4. A platform door sill assembly according to claim 3, characterised in that the adjustment block (42) is provided with an access hole (421) perpendicular to the clamping face.

5. A platform door sill assembly according to claim 3, characterised in that the threaded rod (41) is provided with a first nut (43) and a second nut (44), the first nut (43) being provided on the side of the support bracket (3) remote from the mounting nut (312) and forming a self-locking with the mounting nut (312);

the second nut (44) is adjacent to the adjustment block (42) and forms a self-locking with the adjustment block (42).

6. A platform door sill assembly according to claim 1, characterised in that the first sill assembly (1) comprises at least a first liner (11) and a first cover plate (12) overlying the exterior of the first liner (11), and the second sill assembly (2) comprises a second liner (21) and a second cover plate (22) overlying the exterior of the second liner (21).

7. A platform door sill assembly according to claim 6, characterised in that both ends of the first cover plate (12) are provided with first connection holes (121) and both ends of the second cover plate (22) are provided with second connection holes (221);

the first lining plate (11) is provided with a third connecting hole (111) opposite to the first connecting hole (121), and the second lining plate (21) is provided with a fourth connecting hole (211) opposite to the second connecting hole (221).

8. A platform door sill assembly according to claim 7, characterised in that the first and second connection holes (121, 221) are each a kidney circular hole.

9. A platform door sill assembly according to claim 1, characterised in that the first support bracket (31) comprises a central support bracket (313) and end support brackets (314), the central support bracket (313) being secured to the first sill assembly (1) at a central portion thereof in the direction of extension, the end support brackets (314) being secured to both ends of the first sill assembly (1).

10. A platform door sill assembly according to claim 9, characterised in that the sides of the central support bracket (313) are bent and form a leak-off gap.

11. A platform door sill assembly according to claim 1, characterized in that a connecting bracket (5) is provided between the first and second sill assemblies (1, 2), the connecting bracket (5) being configured to limit the width of the sliding gap.

12. A platform door comprising a mast floor and a platform door sill assembly according to any of claims 1 to 11;

the two ends of the first threshold component (1) and the two ends of the second threshold component (2) are fixed on the upright post bottom plate.

13. A platform door according to claim 12, further comprising a sliding door slidably disposed in the sliding gap.

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