WO2020156042A1 - Motor train unit, and detachable lintel of toilet sliding door therefor - Google Patents

Abstract

Disclosed is a detachable lintel of a toilet sliding door for a motor train unit. The detachable lintel comprises a sliding door frame (2), and a lintel (1) erected in the sliding door frame (2), wherein a mounting block (3) protrudes from an inner side of the sliding door frame (2), a mounting side of the lintel (1) is provided with a first accommodating slot (4) for accommodating the mounting block (3), and the bottom of the lintel (1) is provided with a mounting hole communicating with the first accommodating slot (4) and in bolted connection with the mounting block (3). When the lintel (1) is mounted on the sliding door frame (2), the lintel (1) is mounted corresponding to the position of the mounting block (3), the mounting block (3) is placed in the first accommodating slot (4), and the lintel (1) is locked to the mounting block (3) by means of the mounting hole in the bottom of the lintel (1) and a bolt (5), thereby realzing the rapid removal of a toilet sliding door of a motor train unit.

Description

EMU and its bathroom sliding door disassembly lintel

This application claims the priority of the above-mentioned Chinese patent application submitted to the Chinese Patent Office on January 29, 2019, the application number is 201920157274.X, and the invention title is "EMU and its bathroom sliding door lintel". The entire content is incorporated by reference. In the above application.

Technical field

The invention relates to the technical field of passenger trains, and more specifically, to a lintel for removing the sliding door of an EMU and its toilet.

Background technique

At present, the lintel structure of the toilet sliding door designed by the EMU is mostly fixed on the top of the toilet. The process of removing the door lintel is complicated and time-consuming, and it is inconvenient for the maintenance of the toilet sliding door.

Especially in an emergency, when a situation that requires assistance occurs in the toilet, and the toilet door cannot be opened smoothly, the fixed structure of the door lintel is not conducive to timely handling of the situation in the toilet.

Here, it should be pointed out that the technical content provided in this section is intended to help those skilled in the art to understand the present invention, and does not necessarily constitute prior art.

Summary of the invention

In view of this, the object of the present invention is to provide a lintel of the toilet sliding door for EMUs, so as to realize the rapid disassembly of the toilet sliding door of the EMU; the present invention also provides an EMU.

In order to achieve the above objective, the present invention provides the following technical solutions:

A detachable door lintel for a toilet sliding door for a train unit, comprising a sliding door frame and a door lintel frame mounted in the sliding door frame, the inner side of the sliding door frame is protrudingly arranged with a mounting block, and the loading side of the door lintel is arranged The first accommodating groove for accommodating the installation block is provided with an installation hole communicating with the first accommodating groove and bolted to the installation block at the bottom of the door lintel.

Preferably, in the above-mentioned lintel of the toilet sliding door for the EMU, the installation block includes a left installation block and a right installation block arranged along the width direction of the sliding door frame, and the first accommodating groove includes The two ends of the door lintel are fitted with the first left accommodating groove and the first right accommodating groove which are respectively fitted with the left mounting block and the right mounting block.

Preferably, in the above-mentioned lintel of the toilet sliding door for the EMU, the installation block includes a connecting part fixed along the length of the sliding door frame, and one end of the connecting part and protruding from the connecting part. With respect to the installation part of the sliding door frame arrangement, the length of the first accommodating groove is longer than the length of the installation block.

Preferably, in the above-mentioned lintel of the sliding door detachment for the toilet of the EMU, a second accommodating groove is provided on the top loading side of the lintel, and the inner side of the sliding door frame is protruding against the second accommodating groove It is a positioning block for positioning the top of the door lintel.

Preferably, in the above-mentioned lintel of the toilet sliding door for the EMU, the second accommodating groove is a strip groove arranged along the length direction of the door lintel, the groove opening of the strip groove is located in the middle, and the positioning The block is slidably installed in the strip groove.

Preferably, in the above-mentioned lintel of the toilet sliding door for the EMU, the positioning block is a limit screw fixedly mounted on the sliding door frame, and the nut of the limit screw is slidably engaged with the strip groove装fit.

Preferably, in the above mentioned lintel of the toilet sliding door for the EMU, the first sliding mounting distance between the mounting block and the first accommodating groove bolt locked is not less than the positioning block in the second accommodating The second sliding distance in the slot.

An EMU is provided with a toilet, and a door lintel is arranged on the sliding door of the toilet, and the sliding door lintel structure of the toilet sliding door for the EMU is provided between the sliding door and the door lintel.

The lintel for removing the sliding door of the toilet for the EMU provided by the present invention includes a sliding door frame and a lintel frame mounted in the sliding door frame. The inner side of the sliding door frame is protrudingly arranged with mounting blocks, and the loading side of the door lintel is provided with accommodating mounting blocks The bottom of the door lintel is provided with a mounting hole communicating with the first accommodating groove and bolted to the mounting block. The door lintel is installed on the top of the sliding door frame, and the mounting block extends from the inner side of the sliding door frame. The corresponding installation position of the door lintel is provided with a first accommodation slot. When the door lintel is installed on the sliding door frame, the door lintel is installed correspondingly The block position is loaded, the installation block falls into the first accommodating slot, and the door lintel is locked to the installation block by bolts from the installation hole at the bottom of the door lintel, so as to realize the installation of the door lintel on the sliding door frame. When the toilet in the EMU needs to be repaired or has a situation, the door lintel can be removed from the sliding door frame by removing the bolts from the door lintel, and the internal structure of the sliding door inside the door lintel can be used to open or open the bathroom sliding door. Disassembly to realize the rapid disassembly of the toilet sliding door of the EMU.

Description of the drawings

Through the following description of the embodiments of the present invention with reference to the accompanying drawings, the above and other objectives, features and advantages of the present invention will be more apparent. In the accompanying drawings:

Figure 1 is a schematic diagram of the installation structure of the lintel of the toilet sliding door for the EMU provided by the present invention;

Figure 2 is a schematic diagram of the initial installation position of the lintel of the toilet sliding door for the EMU in Figure 1;

Figure 3 is a schematic diagram of the middle installation position of the lintel of the toilet sliding door for the EMU in Figure 1;

Figure 4 is a schematic diagram of the locking installation position of the lintel of the toilet sliding door for the EMU in Figure 1.

detailed description

The present invention will be described below based on examples, but the present invention is not limited to these examples.

As shown in Figures 1 to 4, Figure 1 is a schematic diagram of the installation structure of the lintel of the toilet sliding door for EMU provided by the present invention; Figure 2 is a schematic diagram of the initial installation position of the lintel of the toilet sliding door for EMU in Figure 1; 3 is a schematic diagram of the middle installation position of the lintel of the toilet sliding door for the EMU in Figure 1; Figure 4 is a schematic diagram of the locking installation position of the lintel of the toilet sliding door for the EMU in Figure 1.

The present invention provides a lintel for removing the sliding door of a toilet for a train unit, comprising a sliding door frame 2 and a lintel 1 framed in the sliding door frame. The inner side of the sliding door frame 2 is protrudingly arranged with a mounting block 3 and the lintel 1 is installed. A first accommodating groove 4 for accommodating the installation block 3 is provided on the entrance side, and a mounting hole connected to the first accommodating groove 4 and connected with the installation block 3 by bolts 5 is opened at the bottom of the door lintel 1. The lintel 1 is installed on the top of the sliding door frame 2, and a mounting block 3 extends from the inner side of the sliding door frame 2. The corresponding installation position of the lintel 1 is provided with a first accommodation slot 4, and the lintel 1 is installed on the sliding door frame 2 When up, install the door lintel 1 in the position corresponding to the installation block 3, and the installation block 3 falls into the first accommodating slot 4, and the door lintel 1 is locked to the installation block 3 by bolts 5 through the mounting holes at the bottom of the door lintel 1. , And further realize the installation of the door lintel 1 on the sliding door frame 2. When the toilet in the EMU needs to be repaired or there is a situation, the door lintel 1 can be removed from the sliding door frame 2 by removing the bolt 5 from the sliding door frame 2, and then the internal structure of the sliding door inside the door lintel 1 can be used for the bathroom The sliding door can be opened or disassembled, and the sliding door of the toilet of the EMU can be quickly disassembled.

In a specific embodiment of this case, the mounting block 3 includes a left mounting block and a right mounting block arranged along the width direction of the sliding door frame 2. The first accommodating slot 4 includes two ends of the door lintel 1 and is connected to the left mounting block. The first left accommodating groove and the first right accommodating groove are fitted with the right mounting block. The installation structure of the door lintel 1 and the sliding door frame 2 are distributed on both sides of the width direction of the sliding door frame 2. The sliding door frame 2 is provided with a left mounting block and a right mounting block respectively, corresponding to the first accommodating groove on the door lintel 1 including the first left The accommodating groove and the first right accommodating groove are inserted into the sliding door frame 2 from the thickness direction of the door lintel during installation, the left mounting block falls into the first left accommodating groove, and the right mounting block falls into the first right In the accommodating groove, finally through the installation holes opened at the left and right ends of the door lintel, bolts are passed through the installation holes and fixed to the installation block to realize the installation of the door lintel.

In a specific embodiment of the present case, the mounting block 3 includes a connecting part fixed along the length of the sliding door frame 2 and a mounting part arranged at one end of the connecting part and protruding from the sliding door frame. The first housing The groove length of the groove 4 is longer than the length of the mounting block 3. The mounting block 3 is an L-shaped mounting block with a connecting part and a mounting part. The mounting block is fixed to the sliding door frame 2 through the connecting part, and is inserted into the accommodating slot through the mounting part. The mounting part protrudes from the connecting part, and the mounting The bolt is locked to the sliding door frame 2 by the connecting part, and the L-shaped installation block structure can avoid interference between the bolt head and the receiving groove during installation. When the door lintel 1 is installed on the sliding door frame 2, it needs to abut the left and right ends and the top of the sliding door frame 2. The length of the first accommodating groove 4 is set to be longer than the length of the mounting block 3. The first accommodating groove 4 There is a sliding gap between the upward sliding of the door lintel 1 and the top of the sliding door frame 2, so when the door lintel 1 is fixed to the mounting block 3 by bolts 5, the door lintel 1 can be further pushed up and the door frame 2 Top tight, improve the compactness of the lintel installation structure.

In a specific embodiment of the present case, the top loading side of the door lintel 1 is provided with a second accommodating groove 6, and the inner side of the sliding door frame 2 is extended to abut and cooperate with the second accommodating groove 6 to position the top of the door lintel 1.的Locating block 7. Only the bottom of the door lintel 1 is fixed by the mounting block 3. The frequent use of the bathroom door can hardly avoid the loosening of the top of the door lintel 1. A second accommodating slot 6 is provided on the top of the door lintel 1, corresponding to the inner side of the sliding door frame 2 protruding positioning blocks, when the door lintel 1 is installed on the sliding door frame 2, its loading side is simultaneously locked into the mounting block 3 and the positioning block 6 , To ensure the stability of the overall structure of the door lintel 1.

In a specific embodiment of the present case, the second accommodating groove 6 is a strip groove arranged along the length of the door lintel, the groove opening 61 of the strip groove is located in the middle, and the positioning block 7 is slidably installed in the strip groove. Since the upper part of the door lintel 1 is close to the roof, it is difficult to reserve operating space for the positioning block by bolt locking at this position. By arranging the second accommodating groove 6 as a strip-shaped groove structure, the strip-shaped groove is close to the door lintel 1 and opens a slot opening on the side where the door lintel 1 is inserted into the positioning block 6, the positioning block 6 slides into the strip from the slot opening 61 In the groove, by pushing the door lintel 1 to slide up and down, the positioning block 6 slides in the length direction of the strip groove, and the positioning block 6 is limited by the side wall of the strip groove along its loading direction.

The length of the first accommodating groove 4 is set to be longer than the length of the mounting block 3, as shown in Figures 2 to 4, at the initial installation position, the door lintel 1 is inserted into the sliding door frame 2 from its thickness direction, and the mounting blocks 3 and The position of the positioning block 7 is opposite to the position of the first accommodating groove 4 and the second accommodating groove 6 respectively; in the middle installation position, the door lintel 1 is translated into the sliding door frame 1, and the positioning block 3 falls into the second accommodating groove 6. The mounting block 3 falls into the first accommodating slot 4; in the locked installation position, push the door lintel 1 up and down, and the door lintel 1 is locked by the bolt 5 through the mounting hole at the bottom, and the installation block is realized at the same time 3 and the positioning block 4 and the door lintel 1. By designing the sliding length of the first accommodating groove 4 and the second accommodating groove 6, after the mounting block 3 and the first accommodating groove 4 are locked in place, the bottom of the second accommodating groove 6 and the positioning block 7 Tighten at the same time to realize simultaneous positioning of the mounting block along the thickness direction and the sliding direction.

In a specific embodiment of this case, the positioning block 7 is a limit screw fixedly mounted on the door frame of the sliding door, and the nut of the limit screw is slidably engaged with the strip groove. To adapt to the limit of the thickness of the door lintel, the positioning block adopts a limit screw, which is installed on the sliding door frame, and its nut protrudes from the sliding door frame. The nut structure slides in the second accommodating groove, and The strip groove structure of the second accommodating groove is slidingly matched.

In a specific embodiment of this case, the first sliding installation distance of the bolt-locked mounting block 3 and the first accommodating groove 4 is not less than the second sliding distance of the positioning block 7 in the second accommodating groove 6. After the door lintel 1 is installed on the mounting block 3 and the positioning block 7, the door lintel 1 is pushed up to slide and lock by the locking of the bolts 5 and the mounting block 3, and the mounting block 3 slides upwards in the first accommodating groove 4, positioning The block 7 slides in the second accommodating groove 6. Since the limiting structure cannot be installed between the second accommodating groove 6 and the positioning block 7, the positioning block 7 can be pressed against the inner wall of the second accommodating groove 6 Way to locate. Setting the sliding length of the first accommodating groove 4 to be no less than the sliding length of the second accommodating groove 6 can ensure that the top and bottom of the door lintel are stably supported during the bolt installation process. The installation structure of the installation block and the positioning block can be installed symmetrically on both sides of the width direction of the door lintel, further improving the stability of the installation structure.

At the same time, the sliding installation structure of the first accommodating groove and the second accommodating groove is adopted. When the door lintel is removed, only the bottom bolt of the door lintel needs to be removed, and the sliding of the door lintel on the sliding door frame can be quickly removed.

Based on the removal door lintel of the toilet sliding door for the EMU provided in the above embodiment, the present invention also provides an EMU, on which the sliding door of the toilet is provided with a door lintel, and the door lintel and the sliding door are provided as in the above embodiment The lintel structure of the toilet sliding door for the EMU provided in.

Since the EMU adopts the lintel of the toilet sliding door for the EMU of the above-mentioned embodiment, please refer to the above-mentioned embodiment for the beneficial effects brought by the lintel of the toilet sliding door for the EMU of the EMU.

The above descriptions are only preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A removable door lintel for the sliding door of a toilet for a train unit, which is characterized in that it comprises a sliding door frame and a door lintel frame mounted in the sliding door frame, the inner side of the sliding door frame is protrudingly arranged with a mounting block, the door lintel The loading side is provided with a first accommodating groove for accommodating the installation block, and the bottom of the door lintel is provided with an installation hole communicating with the first accommodating groove and bolted to the installation block.
2. The sliding door lintel of the toilet sliding door for the EMU according to claim 1, wherein the installation block comprises a left installation block and a right installation block arranged along the width direction of the sliding door frame, and the first accommodation block The groove includes a first left accommodating groove and a first right accommodating groove which are respectively located at both ends of the door lintel and respectively fit and fit with the left mounting block and the right mounting block.
3. The detachable door lintel of the toilet sliding door for the EMU according to claim 1, wherein the installation block includes a connecting part fixed along the length of the sliding door frame, and an end provided at the connecting part And protruding from the installation part arranged on the sliding door frame, the groove length of the first accommodating groove is longer than the length of the installation block.
4. The lintel of the toilet sliding door for the EMU according to claim 3, characterized in that the top loading side of the door lintel is provided with a second accommodating groove, and the inner side of the sliding door frame is extended with the first Two accommodating grooves abut and cooperate to position the top of the door lintel.
5. The lintel of the toilet sliding door for the EMU according to claim 4, wherein the second accommodating groove is a strip groove arranged along the length of the door lintel, and the groove opening of the strip groove is located therein Part, the positioning block is slidably installed in the strip groove.
6. The lintel of the toilet sliding door for the EMU according to claim 5, wherein the positioning block is a limit screw fixedly mounted on the sliding door frame, and the nut of the limit screw is connected to the The strip groove slides and fits.
7. The lintel of the toilet sliding door for the EMU according to claim 6, wherein the first sliding installation distance between the mounting block and the first accommodating groove bolt locked is not less than that of the positioning block The second sliding distance in the second accommodating groove.
8. An EMU, on which a toilet is arranged, and a door lintel is arranged on the sliding door of the toilet, characterized in that there is the EMU according to any one of claims 1-7 between the sliding door and the door lintel Use the bathroom sliding door to remove the lintel structure.

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