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 assembly and platform door

Technical Field

This application belongs to track traffic equipment technical field, specifically, this application relates to a platform door threshold subassembly and platform door.

Background

With the acceleration of social life rhythm, urban rail transit such as subways is rapidly developing. In order to ensure the safety of passengers, a screen door system is arranged beside the platform close to the subway track, and the screen door system can separate the waiting platform from the track. The screen door system generally adopts a sliding door, and in order to guarantee the safety of passengers and prevent unpredictable emergency, the design and installation of the subway screen door require that the screen door is isolated and insulated from surrounding civil structures and other equipment on one hand, and the screen door fixed on a platform is required to bear various loads and adjust and absorb the possible settlement deformation of civil engineering on the other hand.

The threshold structure of the conventional platform door needs to be installed through matching of various components in order to ensure the stability and the insulation, but the structure still has more defects in practice. On one hand, the assembly process and the structural complexity of the threshold structure are increased, and on the other hand, due to the fact that the adjustment and replacement frequency of various components in the matching process is high, for example, when the threshold protrudes upwards or sinks downwards, the flatness of the threshold needs to be adjusted, but the lower space of the threshold is small, and adjustment and replacement of the threshold are not convenient.

SUMMERY OF THE UTILITY MODEL

It is an object of embodiments of the present application to provide a new solution for a platform door threshold assembly and a platform door.

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

the first threshold assembly and the second threshold assembly are arranged side by side, a sliding gap is formed between the first threshold assembly and the second threshold assembly, and two ends of the first threshold assembly and two ends of the second threshold assembly are fixed on the upright post bottom plate;

the supporting frame comprises a first supporting frame and a second supporting frame, the first supporting frame is fixed on the bottom surface of the first threshold component, and the second supporting frame is fixed on the bottom surface of the second threshold component;

the first support frame and the second support frame are movably connected with the adjusting assemblies, and the adjusting assemblies are configured to adjust the flatness of the first threshold assembly and the second threshold assembly under the condition that the adjusting assemblies are close to or far away from the support frames.

Optionally, a through hole is formed in the first support frame, and an assembly nut is welded to one side, close to the first threshold component, of the edge of the through hole;

the adjusting component comprises a screw rod, and the screw rod is in threaded fit with the assembling nut through the through hole.

Optionally, an adjusting block is sleeved at one end, far away from the first support frame, of the screw rod, and a clamping surface which is relatively parallel to the adjusting block is arranged on the periphery of the adjusting block.

Optionally, an operation hole perpendicular to the clamping surface is arranged on the adjusting block.

Optionally, a first nut and a second nut are arranged on the screw rod, the first nut is arranged on one side of the support frame, which is far away from the assembling nut, and forms self-locking with the assembling nut;

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

Optionally, the first threshold assembly includes at least one first liner plate and a first cover plate covering an outer portion of the first liner plate, and the second threshold assembly includes a second liner plate and a second cover plate covering an outer portion of the second liner plate.

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

the first lining plate is provided with a third connecting hole opposite to the first connecting hole, and the second lining plate is provided with a fourth connecting hole opposite to the second connecting hole.

Optionally, the first connection hole and the second connection hole are both oval holes.

Optionally, the first support frame includes a middle support frame and end support frames, the middle support frame is fixed to the middle of the first threshold assembly along the extending direction of the first threshold assembly, and the end support frames are fixed to two ends of the first threshold assembly.

Optionally, the side edge of the middle support frame is bent and forms a leakage gap.

Optionally, a connecting bracket is disposed between the first and second rocker assemblies, the connecting bracket 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 mast base and a platform door sill assembly according to the first aspect;

and the two ends of the first threshold assembly and the two ends of the second threshold assembly are fixed on the upright post bottom plate.

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

One technical effect of the embodiment of the application is as follows:

the embodiment of the application provides a platform door threshold subassembly, platform door threshold subassembly includes first threshold subassembly, second threshold subassembly, support frame and a plurality of adjusting part. The flatness of the first threshold component and the flatness of the second threshold component can be adjusted by the adjusting component of the platform door threshold component under the condition that the adjusting component is close to or far away from the supporting frame, so that the problem that the first threshold component and the second threshold component are raised or recessed unevenly is solved, and the structural stability of the platform door threshold component is ensured.

Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.

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 first schematic view illustrating an assembly of a platform door sill assembly according to an embodiment of the present invention;

fig. 2 is a second schematic view illustrating an assembly of a platform door sill assembly according to an embodiment of the present invention;

fig. 3 is a perspective view of a platform door sill assembly according to an embodiment of the present invention;

fig. 4 is a top view of a platform door sill assembly according to an embodiment of the present invention;

fig. 5 is a side elevation view of a platform door sill assembly according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along plane A-A of FIG. 4;

FIG. 7 is a cross-sectional view taken along plane B-B of FIG. 4;

fig. 8 is an assembly view of a first liner and a first support bracket of a platform door sill assembly according to an embodiment of the present invention;

fig. 9 is a schematic view of a first support frame of a platform door sill assembly according to an embodiment of the present invention.

Wherein: 1-a first threshold assembly; 11-a first liner plate; 111-third connection hole; 12-a first cover plate; 121-a first connection hole; 13-a locating pin; 2-a second threshold assembly; 21-a second liner plate; 211-fourth connection hole; 22-a second cover plate; 221-a second connection hole; 3-a support frame; 31-a first support frame; 311-a via hole; 312-fitting a nut; 313-a middle support; 314-end support shelf; 32-a second support; 4-a regulating component; 41-screw rod; 42-a regulating block; 421-operation hole; 43-a first nut; 44-a second nut; 5-connecting a bracket; 6-well cover plate.

Detailed Description

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 are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Referring to fig. 1 to 9, the present application provides a platform door threshold assembly, including:

first threshold subassembly 1, second threshold subassembly 2, support frame 3 and a plurality of adjustment assembly 4, first threshold subassembly 1 and second threshold subassembly 2 set up side by side, and have the slip clearance between first threshold subassembly 1 and the second threshold subassembly 2, the platform door that can be convenient for in the setting of slip clearance slides between first threshold subassembly 1 and the second threshold subassembly 2, provides accurate slip orbit for the platform door. And first threshold subassembly 1 and second threshold subassembly 2 extend length in its length direction, the both ends of first threshold subassembly 1 with the both ends of second threshold subassembly 2 can all be fixed in on the stand bottom plate, the stand bottom plate has been through the operation of making level, can guarantee the horizontal degree that first threshold subassembly 1 and second threshold subassembly 2 set up.

Referring to fig. 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 to the bottom surface of the first rocker assembly 1, and the second support frame 32 is fixed to the bottom surface of the second rocker assembly 2; the adjusting assemblies 4 are movably connected to the first support frame 31 and the second support frame 32, and the adjusting assemblies 4 are configured to adjust the flatness of the first threshold assembly 1 and the second threshold assembly 2 when the adjusting assemblies 4 are close to or far away from the support frame 3.

Specifically, the bottom of adjusting part 4 can butt subaerial, but adjusting part 4's top swing joint to first support frame 31 with second support frame 32, adjusting part 4's top can rotate connect or joint extremely first support frame 31 with second support frame 32 makes adjusting part 4 is being close to or keeps away from under the condition of support frame 3, can adjust in a flexible way adjusting part 4's support height, and then it is right first threshold subassembly 1 and second threshold subassembly 2's height is adjusted, has guaranteed first threshold subassembly 1 and second threshold subassembly 2's roughness. In addition, the platform door threshold component can be a fixed door threshold, a sliding door threshold, an emergency door threshold or an end door threshold and the like.

The platform door threshold assembly provided by the embodiment of the application comprises a first threshold assembly 1, a second threshold assembly 2, a support frame 3 and a plurality of adjusting assemblies 4, wherein the first threshold assembly 1 and the second threshold assembly 2 are arranged side by side, a first support frame 31 of the support frame 3 is fixed on the bottom surface of the first threshold assembly 1, and a second support frame 32 of the support frame 3 is fixed on the bottom surface of the second threshold assembly 2; the first support frame 31 and the second support frame 32 are movably connected with the adjusting component 4, the adjusting component 4 can adjust the flatness of the first threshold component 1 and the second threshold component 2 under the condition of being close to or far away from the support frame 3, the problem that the first threshold component 1 and the second threshold component 2 are raised or recessed and uneven is solved, and the structural stability of the platform door threshold component is ensured. In addition, the arrangement of the adjusting assemblies 4 enables the first threshold assembly 1 and the second threshold assembly 2 to be convenient to mount, adjust and overhaul, and the maintenance cost of the platform door threshold assembly is reduced.

Optionally, referring to fig. 5 and 7, a through hole 311 is formed in the first support frame 31, and a fitting nut 312 is welded to a side of an edge of the through hole 311, which is close to the first rocker assembly 1;

the adjusting assembly 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.

Specifically, a movable space of the adjusting assembly 4 can be reserved between the first supporting frame 31 and the first rocker assembly 1, so that the adjusting assembly 4 is close to or far away from the first supporting frame 31. In the case that the screw 41 of the adjusting assembly 4 is in threaded engagement with the mounting nut 312, since the mounting nut 312 is fixed on the first support frame 31, that is, the mounting nut 312 and the first rocker assembly 1 have a relatively fixed positional relationship. When the screw 41 rotates relative to the mounting nut 312, the screw 41 can approach the first support frame 31, so that the height of the first rocker assembly 1 can be adjusted, and the flatness of the first rocker assembly 1 can be ensured. Similarly, the second support frame 32 may also be provided with a through hole 311, and the connection manner between the screw 41 and the second support frame 32 is the same as the connection manner between the screw 41 and the second support frame 32.

Optionally, referring to fig. 7, an end of the screw rod 41 away from the first support frame 31 is sleeved with an adjusting block 42, and the adjusting block 42 has relatively parallel clamping surfaces on the periphery.

Specifically, when the screw rod 41 is close to or far from the first support frame 31, since the screw rod 41 is in threaded fit with the assembly nut 312, it is necessary to rotate the screw rod 41 to achieve the adjustment of the support height of the screw rod 41. Adjusting block 42 is being established the cover is established screw rod 41 is last and have the clamping face that is parallel relatively, can pass through the centre gripping instrument centre gripping such as spanner the clamping face, be convenient for clamping tool with screens between the adjusting block 42 improves screw rod 41 pivoted convenience and maneuverability.

Optionally, referring to fig. 7, the adjusting 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 counter bore. Under the condition that a proper tool does not clamp the adjusting block 42, the adjusting block 42 can be pulled and rotated by inserting a tool such as a round bar or a screwdriver into the operation hole 421, so that the adjusting block 42 and the screw rod 41 can be adjusted in the vertical direction, and the purpose of adjusting the supporting height of the first threshold assembly 1 is achieved.

Optionally, referring to fig. 7, a first nut 43 and a second nut 44 are disposed on the screw rod 41, the first nut 43 is disposed on a side of the support frame 3 away from the fitting nut 312, and forms a self-locking with the fitting nut 312;

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

Specifically, after the flatness of the first rocker assembly 1 is adjusted, the threaded engagement between the threaded rod 41 and the mounting nut 312 is maintained in a relatively fixed position. In order to avoid relative rotation between the threaded rod 41 and the mounting nut 312 when relative fixation is required, the first nut 43 may be disposed on a side of the support frame 3 away from the mounting nut 312, and the threaded direction of the first nut 43 and the mounting nut 312 is opposite, so that the threaded rod 41 may be locked on the mounting nut 312; the second nut 44 and the adjusting block 42 form self-locking to fix the relative position of the adjusting block 42 and the screw rod 41, so that the two ends of the screw rod 41 are locked after adjustment.

Alternatively, referring to fig. 3 to 7, the first rocker assembly 1 includes at least one first lining panel 11 and a first cover panel 12 covering an outside of the first lining panel 11, and the second rocker assembly 2 includes a second lining panel 21 and a second cover panel 22 covering an outside of the second lining panel 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 may be lining plates such as nickel plates or zinc plates with good toughness; the first cover plate 12 and the second cover plate 22 directly face the outside and need to have high deformation strength and aesthetic appearance, and the first cover plate 12 and the second cover plate 22 may be stainless steel plates having high rigidity. In addition, the number of the first liner plates 11 may be one, that is, one first liner plate 11 is correspondingly disposed in one first cover plate 12, or the number of the first liner plates 11 may also be two or more, so that a plurality of first liner plates 11 are correspondingly disposed in one first cover plate 12 after being arranged side by side.

Alternatively, referring to fig. 1 and 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 liner 11 is provided with a third connection hole 111 opposite to the first connection hole 121, and the second liner 21 is provided with a fourth connection hole 211 opposite to the second connection hole 221.

Specifically, the both ends of first threshold subassembly 1 with the both ends of second threshold subassembly 2 can all be fixed in on the stand bottom plate, specifically for pass through self-plugging rivet or ordinary countersunk screw the connecting hole on first connecting hole 121 and third connecting hole 111 back is connected with the stand bottom plate to and pass through self-plugging rivet or ordinary countersunk screw and realize after second connecting hole 221 and fourth connecting hole 211 with the mode of being connected of connecting hole on the stand bottom plate first threshold subassembly 1 with the fixing of second threshold subassembly 2 has improved first threshold subassembly 1 with the convenience of being connected of second threshold subassembly 2. In addition, the first connecting hole 121 and the third connecting hole 111, and the second connecting hole 221 and the fourth connecting hole 211 can also be used as access holes, for example, when the platform foundation is settled, the height position of the platform door threshold assembly can be corrected by opening the access holes, so that the convenience of the adjustment operation of the platform door threshold assembly is improved.

Alternatively, referring to fig. 1 and 3, the first connection hole 121 and the second connection hole 221 are both oval holes.

Specifically, first threshold subassembly 1 with second threshold subassembly 2 passes through respectively when first connecting hole 121 and third connecting hole 111 are connected with the connecting hole on the stand bottom plate, for the convenience first threshold subassembly 1 with the position control of second threshold subassembly 2 can with first connecting hole 121 with second connecting hole 221 sets up to oval hole is followed first threshold subassembly 1 with the width direction of second threshold subassembly 2 extends, can be convenient for first threshold subassembly 1 with second threshold subassembly 2 is at width direction's position control. In addition, the first connection hole 121 and the second connection hole 221 are provided with an escutcheon plate 6, and the material and thickness of the escutcheon plate 6 may be the same as those of the first cover plate 12 and the second cover plate 22.

Alternatively, referring to fig. 8 and 9, the first support frame 31 includes a middle support frame 313 and end support frames 314, the middle support frame 313 is fixed to the middle of the first rocker assembly 1 along the extending direction of the first rocker assembly, and the end support frames 314 are fixed to both ends of the first rocker assembly 1.

Specifically, the adjusting component 4 may be movably connected to the middle supporting frame 313, so as to flexibly adjust the middle height of the first threshold component 1, and ensure the flatness of the first threshold component 1. A through hole may be formed in the end supporting frame 314, and a blind rivet or a common countersunk head screw passes through the through hole in the end supporting frame 314 after passing through the first connecting hole 121 and the third connecting hole 111, so as to stably connect the first rocker assembly 1 to the pillar bottom plate.

Alternatively, referring to fig. 8 and 9, the sides of the middle support 313 are bent and formed with weep breaks.

Specifically, the side edge of the middle support frame 313 may be bent toward the first rocker assembly 1 to form a bent edge, so as to facilitate stable connection between the middle support frame 313 and the first rocker assembly 1; after the middle support frame 313 and the first threshold component 1 are assembled, protection operations such as hot dip galvanizing and the like are required, and a leakage gap formed by bending the side edge of the middle support frame 313 can drain redundant liquid medicine during hot dip galvanizing, so that waste of the liquid medicine is avoided, and uniformity of hot dip galvanizing can be ensured.

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

Specifically, the sliding gap between the first threshold assembly 1 and the second threshold assembly 2 can facilitate the platform door to slide between the first threshold assembly 1 and the second threshold assembly 2, so as to provide an accurate sliding track for the platform door. When the first threshold assembly 1 and the second threshold assembly 2 move relatively, the width of the sliding gap is increased or decreased, which affects the sliding of the platform door, for example, when the width of the sliding gap is too large, the platform door will swing in the sliding gap; if the width of the sliding gap is too small, the platform door may be locked in the sliding gap. And one end of the connecting bracket 5 is connected to the first threshold component 1, the other end of the connecting bracket 5 is connected to the second threshold component 2, the connecting bracket 5 can be a steel bracket, and the stable structure of the connecting bracket 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, and the embodiment of the present application is not limited thereto.

The embodiment of the application also provides a platform door, which comprises a stand column bottom plate and the platform door threshold component;

and 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.

Specifically, the floor of the upright post is already subjected to leveling operation during installation, so that the level degree of the first threshold assembly 1 and the second threshold assembly 2 can be ensured. Referring to fig. 3 and 4, the first rocker assembly 1 is provided with a positioning pin 13, and the number of the positioning pins 13 may be one or more, so as to support the lower portion of the sliding door.

Optionally, the platform door further includes a sliding door, the sliding door is slidably disposed in the sliding gap, so that an accurate sliding track can be provided for the platform door, and the sliding stability of the sliding door is ensured.

Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art 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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