CN203142683U - Security check door of compartment floor of train - Google Patents
Security check door of compartment floor of train Download PDFInfo
- Publication number
- CN203142683U CN203142683U CN 201320193311 CN201320193311U CN203142683U CN 203142683 U CN203142683 U CN 203142683U CN 201320193311 CN201320193311 CN 201320193311 CN 201320193311 U CN201320193311 U CN 201320193311U CN 203142683 U CN203142683 U CN 203142683U
- Authority
- CN
- China
- Prior art keywords
- handle
- check door
- door
- security check
- strip groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a security check door of a compartment floor of a train, comprising a base plate which is fixedly arranged on a door plate of a compartment check door, wherein a strip groove is arranged on the base plate, and the bottom of the groove is provided with a through hole; and the security check door also comprises a handle, wherein the handle is provided with a downwards extending sliding rod, the free end of the sliding rod is fixedly connected with limit stops after penetrating through the through hole, and the handle is embedded into the groove in a clearance fit way. When the train runs normally and the security check door does not need to be opened, the security check door is closed under the action of gravity of the security check door, and the handle enters into the strip groove under the action of gravity of the handle, as smaller clearance fit is adopted between the handle and the strip groove, no part is stressed at the moment, and a non-working person cannot directly open the security check door with hand, therefore the security check door is safe and reliable; and when the security check door needs to be opened, the security check door can be opened by hooking the handle out of the strip groove with other general tools or special tools and then pulling the handle upwards, so that the check door is convenient to use. As a locking device is omitted, the potential safety hazard of tripping is eliminated, and the cost of replacing and maintaining the locking device is reduced.
Description
Technical field
The utility model relates to mechanical field, particularly the safety inspection door gear on a kind of railway car floor.
Background technology
Railway car such as train, light rail floor is provided with inspection door usually, and convenient equipment to the bottom, compartment overhauls.Existing railway car floor inspection door is provided with the leader, conveniently inspection door is mentioned.In order to prevent inoperative personnel's normal unlatching, cause safety misadventure, inspection door is provided with special type triangulation chain hereby, is equipped with special triangular key, with the hands holds handle after opening and mentions inspection door and can carry out work.And this tapered end position has the height of an outstanding about 4-5mm usually, makes troubles to the passenger, and has the hidden danger of tripping to exist.And inspection door special-purpose lock in floor is because shape is more special, and stopping up stuck and damaging also often appears in lock, causes service personnel operation inconvenience, and often the higher special type triangulation chain of replacement cost is kept the normal use of floor inspection door for this reason.
At above-mentioned deficiency, need improve existing inspection door, to overcome the problems referred to above.
The utility model content
In view of this, the purpose of this utility model provides a kind of railway car floor safety check door, cancels special type triangulation chain device, not only saved cost greatly, and eliminated the potential safety hazard of tripping that tapered end brings, simultaneously, the inoperative personnel can't open inspection door, and are safe and reliable.
The purpose of this utility model is achieved through the following technical solutions: a kind of railway car floor safety check door, comprise the backing plate that is fixedly installed on the compartment inspection door door-plate, and backing plate is provided with strip groove, and bottom portion of groove arranges through hole; Also comprise handle, the slide bar of downward extension is set on the handle, the free end of slide bar is captiveed joint with positive stop after passing through hole, and handle embeds in the groove in the mode of free-running fit.
Further, the middle part of described strip groove is provided with the slot to make way that can insert drag hook.
Further, described slot to make way is that diameter D is greater than the arc of strip groove width L.
Further, the width L of described strip groove is 10-12mm, and the diameter D of slot to make way is 15-20mm.
Further, described handle and slide bar are made integrative-structure by the mode of welding fabrication.
Further, the width L of described strip groove is 12mm, and the diameter D of slot to make way is 19mm.
The beneficial effects of the utility model are: railway car of the present utility model floor safety check door, comprise the backing plate that is fixedly installed on the compartment inspection door door-plate, and backing plate is provided with strip groove, and bottom portion of groove arranges through hole; Also comprise handle, the slide bar of downward extension is set on the handle, the free end of slide bar is captiveed joint with positive stop after passing through hole, and handle embeds in the groove in the mode of free-running fit.When the normal operation of train did not need to open inspection door, inspection door was closed under the self gravitation effect, and handle enters in the strip groove under the self gravitation effect, owing to adopt less clearance to cooperate, do not have the force part this moment, can't directly with hand inspection door be opened, safe and reliable; When needs are opened inspection door, adopt other general tools or special tool that handle hook in the strip groove is gone out, upwards lift handle and can open inspection door, easy to use.Compare with conventional confguration, railway car described in the utility model floor safety check door has been cancelled latching device (special type triangulation chain), has eliminated the potential safety hazard of tripping, and has also saved the cost of changing and keep in repair latching device simultaneously, and it is simple in structure, practical.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the plan structure scheme drawing of safety check door described in the utility model;
Fig. 2 be among Fig. 1 along A-A to schematic cross-section;
Use constitution diagram when Fig. 3 mentions for handle among Fig. 2.
The specific embodiment
Below with reference to accompanying drawing the utility model is elaborated, as shown in the figure: a kind of railway car floor safety check door, comprise the backing plate 2 that is fixedly installed on the compartment inspection door door-plate 1, backing plate is provided with strip groove, and bottom portion of groove arranges through hole 4; Also comprise handle 3, the slide bar of downward extension is set on the handle, the free end of slide bar passes through hole 4 backs captives joint with positive stop 5, and handle 3 embeds in the groove in the mode that less clearance cooperates.When the normal operation of train did not need to open inspection door, inspection door was closed under the self gravitation effect, handle was pressed in the strip groove cooperate, and do not have the force part this moment, inspection door can't be opened, safe and reliable; When needs are opened inspection door, adopt other general tools or special tool that handle hook in the strip groove is gone out (the utility model adopts special-purpose pew), upwards lift handle and can open inspection door, easy to use.Compare with conventional confguration, railway car described in the utility model floor safety check door has been cancelled latching device (special type triangulation chain), has eliminated the potential safety hazard of tripping, and has also saved the cost of changing and keep in repair latching device simultaneously, and it is simple in structure, practical.
As to further improvement in the technical proposal, the middle part of described strip groove is provided with the slot to make way that can insert drag hook other specialized equipments such as (or) crowbars.Described slot to make way is that diameter D is greater than the arc of strip groove width L.Particularly, the width L of described strip groove is 10-12mm, and the diameter D of slot to make way is 15-20mm.In the present embodiment, preferred plan is: the width L of described strip groove is 12mm, and the diameter D of slot to make way is 19mm.Because the diameter of slot to make way is greater than the width of strip groove, after in handle enters strip groove, there is certain slit (gap of stepping down) between handle and the backing plate, but size is less, finger can't stretch into, and must adopt special-purpose pew that handle is pulled out strip groove (also can adopt additive method that handle is taken out certainly).Easy to use, and passenger or inoperative personnel can't not open inspection door by special tool, safe and reliable.
As to further improvement in the technical proposal, described handle 3 is made integrative-structure with slide bar by the mode of compression molding.Easily manufactured, and integrative-structure is not only simple in structure, and also intensity is good, and not fragile.
Explanation is at last, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. railway car floor safety check door, it is characterized in that: comprise the backing plate (2) that is fixedly installed on the compartment inspection door door-plate (1), backing plate is provided with strip groove, and bottom portion of groove arranges through hole (4); Also comprise handle (3), the slide bar of downward extension is set on the handle, the free end of slide bar passes through hole (4) back captives joint with positive stop (5), and handle (3) embeds in the groove in the mode of free-running fit.
2. railway car according to claim 1 floor safety check door, it is characterized in that: the middle part of described strip groove is provided with the slot to make way that can insert drag hook.
3. railway car according to claim 2 floor safety check door, it is characterized in that: described slot to make way is that diameter D is greater than the arc of strip groove width L.
4. railway car according to claim 3 floor safety check door, it is characterized in that: the width L of described strip groove is 10-12mm, the diameter D of slot to make way is 15-20mm.
5. railway car according to claim 1 floor safety check door, it is characterized in that: described handle (3) is made integrative-structure with slide bar by the mode of welding fabrication.
6. railway car according to claim 4 floor safety check door, it is characterized in that: the width L of described strip groove is 12mm, the diameter D of slot to make way is 19mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193311 CN203142683U (en) | 2013-04-17 | 2013-04-17 | Security check door of compartment floor of train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193311 CN203142683U (en) | 2013-04-17 | 2013-04-17 | Security check door of compartment floor of train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203142683U true CN203142683U (en) | 2013-08-21 |
Family
ID=48970231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320193311 Expired - Fee Related CN203142683U (en) | 2013-04-17 | 2013-04-17 | Security check door of compartment floor of train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203142683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386807A (en) * | 2020-03-11 | 2021-09-14 | 中车唐山机车车辆有限公司 | Floor inspection device and rail vehicle |
-
2013
- 2013-04-17 CN CN 201320193311 patent/CN203142683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386807A (en) * | 2020-03-11 | 2021-09-14 | 中车唐山机车车辆有限公司 | Floor inspection device and rail vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |