CN215830296U - Guide rail locking device for rail vehicle door system - Google Patents
Guide rail locking device for rail vehicle door system Download PDFInfo
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- CN215830296U CN215830296U CN202122252228.8U CN202122252228U CN215830296U CN 215830296 U CN215830296 U CN 215830296U CN 202122252228 U CN202122252228 U CN 202122252228U CN 215830296 U CN215830296 U CN 215830296U
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- guide rail
- nut
- locking
- door system
- vehicle door
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Abstract
The utility model discloses a guide rail locking device for a rail vehicle door system, which comprises a lead screw, a nut pin assembly, a guide rail, a transmission connecting frame and a positioning seat, wherein the lead screw is arranged on a preset door system bearing driving mechanism base; the nut pin assembly comprises a nut which is in threaded connection with the lead screw, a nut sleeve is arranged on the nut, a rolling pin is fixedly installed on the nut sleeve, and the rolling pin is installed in the guide rail; the utility model provides a locking mechanism tends towards the locking function when can realize door leaf atress behind the locking of door system, keeps the locking safety of vehicle door system under the impact vibration operational environment, has good application prospect that a guide rail, nut round pin subassembly have been simplified locking system's structure to the adoption guide rail, nut round pin subassembly, simple structure, and the cost of manufacture is low, the installation adjustment of being convenient for, reliability and security height.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a guide rail locking device for a rail vehicle door system.
Background
The spiral transmission mechanism is widely applied to rail vehicles, such as various vehicle doors, shielding doors, civil doors and the like, and is provided with a locking and unlocking device. The passive locking devices of the door systems commonly used at present comprise a whole-course passive locking device, a spiral passive locking device and a nut passive locking device. Wherein, whole passive locking device is realized through the transmission between control motor and lead screw, and this kind of passive locking device structure is complicated, does not have direct locking to the door leaf, and security, reliability are low, and spiral passive locking device is because the helical pitch realizes changing on the lead screw, and the lead screw processing is difficult, and the security is low after the locking section appears wearing and tearing, and the cost of changing the lead screw is higher.
The conventional nut passive locking device, such as the passive locking device disclosed in the Chinese utility model patent with the patent number ZL201410833668.4 (the publication number is CN104533212B), adopts a nut rolling pin to enter a locking block groove, prevents a screw rod from reversing a locking nut by applying the friction force of the rolling pin and the locking block and the elasticity of a torsional spring, has the problems of a large number of parts, a complex structure and easiness in unlocking or inconvenient opening due to a locking mode of the elasticity of the torsional spring and the friction force of the locking block, and has certain potential safety hazard when being used in an impact vibration running environment of a railway vehicle; to this end, a guide rail locking device for a door system of a rail vehicle is proposed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, that is, the problems of the background art, the present invention provides a guide rail locking device for a door system of a railway vehicle, comprising a lead screw, a nut and pin assembly, a guide rail, a transmission connecting frame, and a positioning seat, wherein the lead screw is installed on a preset door system bearing driving mechanism base;
the nut pin assembly comprises a nut which is in threaded connection with the lead screw, a nut sleeve is arranged on the nut, a rolling pin is fixedly installed on the nut sleeve, and the rolling pin is installed in the guide rail;
the guide rail comprises a guide rail straight section and a guide rail locking section which are mutually communicated, the transmission connecting frame is sleeved on the nut sleeve, and the positioning seat is fixedly installed on the nut sleeve.
Preferably, the included angle between the straight section of the guide rail and the locking section of the guide rail is less than 90 degrees.
Preferably, the guide rail is provided with a long hole which is adjusted along the direction of the screw rod.
Preferably, the transmission connecting frame comprises a transmission frame and a bearing, and the transmission frame is sleeved on the nut sleeve through the bearing.
Preferably, the connection between the straight section of the guide rail and the locking section of the guide rail forms a smooth transition.
Preferably, the tail part of the guide rail locking section is provided with an elastic part for bearing a rolling pin.
The beneficial technical effects of the utility model are as follows: the guide rail locking device for the rail vehicle door system, disclosed by the utility model, adopts the guide rail and the nut pin assembly, simplifies the structure of the locking system, has the advantages of simple structure, low manufacturing cost, convenience in installation and adjustment and high reliability and safety, can realize the locking function of the locking mechanism when the door leaf is stressed after the door system is locked, can keep the locking safety of the door system in an impact vibration running environment of a vehicle, and has good application prospect.
Drawings
Fig. 1 shows a schematic structural diagram of the door opening state of the present invention.
Fig. 2 shows a schematic view of the utility model near the locked position.
Fig. 3 shows a schematic view of the locked state of the present invention.
Fig. 4 shows a schematic view of the locked state of the present invention.
Fig. 5 shows a schematic view of the construction of the guide rail according to the utility model.
Fig. 6 shows a schematic structural view of the nut-pin assembly of the present invention.
Fig. 7 shows a schematic view of the structure of the transmission connecting frame of the utility model.
The device comprises a reference numeral 1, a screw rod, 2, a nut pin assembly, 201, a nut, 202, a nut sleeve, 203, a rolling pin, 3, a guide rail, 301, a guide rail straight section, 302, a guide rail locking section, 4, a transmission connecting frame, 401, a transmission frame, 402, a bearing, 5 and a positioning seat.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides a guide rail locking device for a rail vehicle door system, which comprises a screw rod 1, a nut pin assembly 2, a guide rail 3, a transmission connecting frame 4 and a positioning seat 5, wherein the screw rod 1 is arranged on a preset door system bearing driving mechanism base, the screw rod 1 is driven by a door system bearing driving mechanism, and a door leaf is arranged on the transmission connecting frame 4;
the nut-pin assembly 2 comprises a nut 201 which is in threaded connection with the lead screw 1, a nut sleeve 202 is arranged on the nut 201, the nut 201 and the nut sleeve 202 are fixed into a whole, a rolling pin 203 is fixedly arranged on the nut sleeve 202, and the rolling pin 203 is arranged in the track 3;
the guide rail 3 comprises a guide rail straight section 301 and a guide rail locking section 302 which are communicated with each other, the guide rail locking section 302 is arranged at the end part of the guide rail straight section 301, the transmission connecting frame 4 is sleeved on the nut sleeve, the positioning seat 5 is fixedly arranged on the nut sleeve 202, the guide rail 3 is fixed on a preset door system driving mechanism base, under the driving of the screw rod 1, the rolling pin 203 of the nut pin component 2 is guided by the guide rail straight section 301 to move axially along the screw rod 1 and is transmitted to the door leaf through the transmission connecting frame 4, so as to realize the opening or closing action of the door leaf, when the door is closed, the rolling pin 203 is guided by the guide rail 3 to move to the closing position corresponding to the door leaf under the driving of the screw rod 1, the rolling pin 203 is guided by the guide rail 3 to leave the guide rail straight section 301 and generates axial rotation around the screw rod 1 under the guiding of the guide rail locking section 302, then the guide rail locking section 302 falls into the guide rail locking section 302 and is provided with an elastic component 303 arranged at the tail part of the guide rail locking section 302 to bear the rolling pin 203, the guide rail locking section 302 limits the rolling pin 203 to move towards the door opening direction, so that the door closing and locking functions are realized; the included angle between the guide rail locking section 302 and the guide rail straight section 301 is smaller than 90 degrees, and the side surface limit rolling pin 203 is arranged to generate a lateral component force towards the tail end of the guide rail locking section 302, when the rolling pin 203 is positioned at a locking position, the acting force exerted on the door leaf is transmitted to the rolling pin 203 of the nut pin component 2 through the transmission connecting frame 4, and the rolling pin 203 generates a lateral component force towards the tail end of the guide rail locking section 302 under the action of the limit surface of the guide rail locking section 302 smaller than 90 degrees, at the moment, the larger the external force exerted on the door leaf is, the lateral component force exerted on the rolling pin 203 towards the tail part of the guide rail locking section 302 is increased, the external force exerted on the door leaf is transmitted through the locking structure, and then the rolling pin 203 is pressed onto the elastic component 303, so that the locking mechanism tends to achieve the locking function when the door leaf is stressed after the door is locked, and the locking safety of a vehicle under the impact vibration operation environment is kept;
when the door is opened, under the drive of the screw rod 1, the rolling pin 203 of the nut pin assembly 2 is guided by the guide rail locking section 302 to rotationally take the rolling pin 203 out of the guide rail locking section 302 and enter the guide rail straight section 301 under the guide of the guide rail 3, the locking function is released under the drive of the screw rod 1, after the rolling pin 203 enters the guide rail straight section 301, the nut pin assembly 2 moves axially along the screw rod 1 under the drive of the screw rod 1 and is transmitted to the door leaf through the transmission connecting frame 4, the opening action of the door leaf is realized, and the unlocking and door opening functions are achieved.
Specifically, the connection included angle between the guide rail straight section 301 and the guide rail locking section 302 is smaller than 90 degrees, when the connection angle between the guide rail straight section 301 and the guide rail locking section 302 is 85 degrees, the rolling pin 203 is guided by the guide rail 3 to move to the closing position corresponding to the door leaf under the driving of the screw rod 1, the rolling pin 203 is guided by the guide rail 3 to leave the guide rail straight section 301 and generates axial rotation around the screw rod 1 under the guiding of the guide rail locking section 302, then the rolling pin 203 falls into the guide rail locking section 302, and under the elastic action of the door leaf rubber strip, the lateral component force of the rolling pin 203 generated by the side limiting of the guide rail locking section 302 is pressed onto the elastic piece 303, so that the locking mechanism tends to a locking function after the locking of the door system is realized, and the locking safety of the door system under the impact vibration running environment is maintained.
Specifically, the guide rail 3 is provided with a long hole adjusted along the direction of the screw rod 1, and the position of the guide rail 3 is adjusted through the long hole adjusted along the direction of the screw rod 1 arranged on the guide rail 3, so that the matching position of the guide rail locking section 302 and the rolling pin 203 is the same as the door closing in-place position of the door, and the locking position of the door is accurately adjusted.
Specifically, the transmission connecting frame 4 includes a transmission frame 401 and a bearing 402, and the transmission frame 401 is sleeved on the nut sleeve 202 through the bearing 402.
Specifically, the junction of the straight section 301 and the locking section 302 forms a smooth transition.
Specifically, the rail locking section 302 is provided at the rear with an elastic member 303 receiving the roll pin 203.
The utility model can be applied to the door system locking structure of a double-leaf door or a single-leaf door, the structure of the locking system is simplified, in the new locking structure, related core parts only comprise 5 parts (a screw rod 1, a nut pin component 2, a guide rail 3, a transmission connecting frame 4 and a positioning seat 5), while the number of the parts of the existing whole-course locking device, a spiral passive locking device and the nut passive locking device is far more than the value, the processing of the screw rod locking section of the spiral passive locking device is relatively difficult, the yield is low, the surface matched with a bearing and a rectangular spring needs to be finely processed, and the required cost of the utility model is lower than that of the existing common technology no matter from the part number or from the angle of the complexity degree of part processing; the traditional door system is easy to turn over under the action of the rubber strip at the screw rod locking section in a locking state, the screw rod is damaged, and the cost for replacing the screw rod is high; in the guide rail locking device, the locking pin 203 is matched with the elastic matching positioning structure of the elastic part 303, so that the locking part is effectively prevented from being damaged due to impact on the locking structure, the long hole formed in the guide rail 3 is used for facilitating loading and debugging, and the whole locking device is high in reliability, low in cost and good in application prospect.
While the utility model has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the utility model. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (6)
1. A guide rail locking arrangement for a rail vehicle door system, characterized by: the device comprises a screw rod (1), a nut pin assembly (2), a guide rail (3), a transmission connecting frame (4) and a positioning seat (5), wherein the screw rod (1) is arranged on a preset door system bearing driving mechanism base;
the nut pin assembly (2) comprises a nut (201) which is in threaded connection with the screw rod (1), a nut sleeve (202) is arranged on the nut (201), a rolling pin (203) is fixedly installed on the nut sleeve (202), and the rolling pin (203) is installed in the guide rail (3);
the guide rail (3) comprises a guide rail straight section (301) and a guide rail locking section (302) which are communicated with each other, the transmission connecting frame (4) is sleeved on the nut sleeve (202), and the positioning seat (5) is fixedly installed on the nut sleeve (202).
2. A guide rail locking arrangement for a railway vehicle door system according to claim 1, wherein: the included angle between the guide rail straight section (301) and the guide rail locking section (302) is less than 90 degrees.
3. A guide rail locking arrangement for a railway vehicle door system according to claim 1, wherein: the guide rail (3) is provided with a long hole which is adjusted along the direction of the screw rod (1).
4. A guide rail locking arrangement for a railway vehicle door system according to claim 1, wherein: the transmission connecting frame (4) comprises a transmission frame (401) and a bearing (402), and the transmission frame (401) is sleeved on the nut sleeve (202) through the bearing (402).
5. A guide rail locking arrangement for a railway vehicle door system according to claim 1, wherein: the connecting part of the guide rail straight section (301) and the guide rail locking section (302) forms a smooth transition.
6. A guide rail locking arrangement for a railway vehicle door system according to claim 1, wherein: the tail part of the guide rail locking section (302) is provided with an elastic part (303) for bearing the rolling pin (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252228.8U CN215830296U (en) | 2021-09-17 | 2021-09-17 | Guide rail locking device for rail vehicle door system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252228.8U CN215830296U (en) | 2021-09-17 | 2021-09-17 | Guide rail locking device for rail vehicle door system |
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| Publication Number | Publication Date |
|---|---|
| CN215830296U true CN215830296U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122252228.8U Active CN215830296U (en) | 2021-09-17 | 2021-09-17 | Guide rail locking device for rail vehicle door system |
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| CN (1) | CN215830296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837501A (en) * | 2022-05-17 | 2022-08-02 | 辽宁省交通高等专科学校 | Guide rail locking device for rail vehicle door system |
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2021
- 2021-09-17 CN CN202122252228.8U patent/CN215830296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837501A (en) * | 2022-05-17 | 2022-08-02 | 辽宁省交通高等专科学校 | Guide rail locking device for rail vehicle door system |
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