CN214689174U - Passenger train side window handrail fixed knot constructs - Google Patents
Passenger train side window handrail fixed knot constructs Download PDFInfo
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- CN214689174U CN214689174U CN202120534230.1U CN202120534230U CN214689174U CN 214689174 U CN214689174 U CN 214689174U CN 202120534230 U CN202120534230 U CN 202120534230U CN 214689174 U CN214689174 U CN 214689174U
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- limiting
- side window
- limiting part
- locking bolt
- window handrail
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Abstract
A passenger car side window handrail fixing structure belongs to the technical field of automotive interior structures. The passenger car side window handrail fixing structure comprises a carriage side plate profile and side window handrails; the carriage side plate section is provided with a first limiting part and a second limiting part which are arranged up and down, a limiting containing cavity is formed between the first limiting part and the second limiting part, a locking bolt is clamped in the limiting containing cavity, and the rod part of the locking bolt is exposed and is tightly matched with the first limiting part and the second limiting part through a first locking nut; the side window handrail is provided with a hollow cavity, a third limiting part is arranged in the hollow cavity, and the third limiting part is sleeved on the rod part of the locking bolt and is tightly connected with the rod part of the locking bolt through a second locking nut. The utility model discloses can realize convenient installation and maintenance operation, need not to punch on the section bar, wear the bolt, be applicable to the structure of various materials.
Description
Technical Field
The utility model relates to a technique in automotive interior structure field specifically is a passenger train side window handrail fixed knot constructs.
Background
In consideration of the characteristics of public travel, urban buses are provided with a passenger standing area and a seat area, and side window handrails are arranged in the passenger standing area and the seat area close to the side window to provide riding convenience for passengers.
At present, the connection mode of the side window handrail is mainly four:
the first one is to adopt a round pipe and directly weld the round pipe on a flat base; the structure has the advantages of good manufacturability, simple structure and low cost; the defects are obvious, the appearance is not attractive, the connection mode is welding connection and cannot be adjusted, part of material structural parts such as aluminum alloy pipes, plastic-coated pipes and composite steel pipes cannot be welded, the structure cannot be adopted, the distance between a circular pipe and side window glass is small, especially when the side window is an aluminum frame sliding window, the distance between the circular pipe and the side window glass is only 31mm, and the gripping space required by the national standard GB13094 is larger than 40 mm;
the second method is to adopt a round pipe and a formed casting part which are connected by bolts; the molding casting piece comprises a handrail fixing part and lug plates arranged at two ends of the handrail fixing part, wherein lug plate fixing holes are formed in the lug plates, the handrail fixing part is in a ring shape matched with a circular handrail pipe, the handrail fixing parts for two ends of the circular handrail pipe are circular rings with one-way openings, the handrail fixing part used in the middle of the handrail fixing pipe is a circular ring with a through hole, a handrail positioning hole is formed in the handrail fixing part, and the circular handrail pipe is transversely arranged in the handrail fixing part in a penetrating mode and fixed through screws during fixing; the structure has the advantages that the circular tubes made of all materials can adopt the connecting structure, but the connecting structure also has obvious defects, firstly, bases at the front end part and the rear end part of the circular tube and a base in the middle cannot be used commonly, the investment of a mould is more, secondly, the nut cap of the structure protrudes into the automobile, on one hand, the appearance in the automobile is influenced, and on the other hand, when a passenger holds the handrail, the passenger easily touches the nut cap to cause hand scratch;
the third is bolt tapping that punches, and the bolt tapping that punches needs the welding pre-buried board, and needs the on-the-spot tapping, and the porose hole is left over after demolising, is unfavorable for site operation and maintenance.
And the fourth method is that the section bar is fixed by penetrating a T-shaped bolt, the bolt needs to be penetrated in advance when the section bar is fixed by penetrating the T-shaped bolt, and after the section bar is installed, the bolt cannot be added, so that the field operation and maintenance are not facilitated.
In order to solve the above problems existing in the prior art, the utility model discloses come from this.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned that prior art exists, has provided a passenger train side window handrail fixed knot and has constructed, can realize convenient installation and maintenance operation, need not to punch on the section bar, wear the bolt, is applicable to the structure of various materials.
The utility model discloses a: a carriage side plate section bar and a side window handrail;
the carriage side plate section is provided with a first limiting part and a second limiting part which are arranged up and down, a limiting containing cavity is formed between the first limiting part and the second limiting part, a locking bolt is clamped in the limiting containing cavity, and the rod part of the locking bolt is exposed and is tightly matched with the first limiting part and the second limiting part through a first locking nut;
the side window handrail is provided with a hollow cavity, a third limiting part is arranged in the hollow cavity, and the third limiting part is sleeved on the rod part of the locking bolt and is tightly connected with the rod part of the locking bolt through a second locking nut.
In some technical schemes, first spacing portion sets up in carriage curb plate section bar top corner, and the spacing portion setting of second is in first spacing portion below.
Preferably, the upper surface in the limiting containing cavity is bent to form a clamping groove part, and correspondingly, the head part of the locking bolt is convexly provided with the clamping block part.
Preferably, the lower surface in the limiting cavity is horizontally arranged.
In some technical schemes, the outer surface of the first spacing portion and the second spacing portion close to one side of the side window handrail is provided with a reinforcing member, and the reinforcing member is sleeved on the rod portion of the locking bolt and is tightly matched with the first spacing portion and the second spacing portion through a first locking nut.
Preferably, the first lock nut is a flange nut, and the reinforcement member functions as a washer to increase the preload of the first lock nut.
Preferably, the second limiting portion is bent to form an L-shape, a convex portion is formed at an end portion, and the reinforcing member is disposed around the convex portion at the end portion to form a J-shape.
Preferably, the third limiting part is annular and is arranged coaxially with the locking bolt.
Preferably, the third limiting part is fan-shaped, is uniformly distributed in the hollow cavity in the circumferential direction and is coaxially arranged with the locking bolt.
Technical effects
Compared with the prior art, the utility model discloses following technological effect has:
1) the carriage side plate profile does not need to be punched or threaded with bolts, the position of the side window handrail relative to the carriage side plate profile can be adjusted, the damage to the carriage side plate profile in the assembly process of the side window handrail is overcome, the overall appearance is influenced due to the holes formed after the side window handrail is disassembled, and the condition that the carriage side plate profile is scrapped is avoided;
2) the carriage side plate section, the locking bolt, the side window handrail and the like are all opened by a set of die, repeated die opening is not needed due to the change of the connecting part, and the production and manufacturing cost is reduced.
Drawings
FIG. 1 is a partial schematic structural view of embodiment 1;
FIG. 2 is a front view of embodiment 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
in the figure:
the carriage side plate section bar comprises a carriage side plate section bar 10, a first limiting part 11, a second limiting part 12, a limiting containing cavity 13 and a clamping groove part 13 a;
a locking bolt 20, a head 21, a fixture block 21a and a rod 22;
a side window handrail 30, a hollow cavity 31 and a third limiting part 33;
a first lock nut 40;
a reinforcing member 50;
and a second lock nut 60.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, 2 and 3, the present embodiment includes a box side panel section 10, a lock bolt 20 and a side window rail 30.
The carriage side plate section bar 10 comprises a first limiting part 11 and a second limiting part 12 which are arranged up and down, the first limiting part 11 is arranged at the corner of the top of the carriage side plate section bar, and the second limiting part 12 is arranged below the first limiting part 11; spacing appearance chamber 13 is formed between first spacing portion 11 and the spacing portion 12 of second, and the upper surface is buckled and is formed draw-in groove portion 13a in spacing appearance chamber 13, and the lower surface level sets up in the spacing appearance chamber.
A clamping block part 21a is convexly arranged on the head part 21 of the locking bolt 20 corresponding to the clamping groove part of the limiting containing cavity, the clamping block part 21a is hooked with the clamping groove part 13a, and the locking bolt is limited in the front-back direction; the locking bolt rod part 22 is exposed and is tightly matched with the first limiting part 11 and the second limiting part 12 through a first locking nut 40; first lock nut 40 adopts flange nut, corresponds first lock nut 40, is provided with reinforcement 50, and 50 covers of reinforcement are established at lock bolt pole portion 22, with the spacing portion tight fit of first spacing portion, second. The second limiting portion 12 is bent to form an L shape, a convex portion is formed at the end portion, and the reinforcing member 50 is arranged around the convex portion at the end portion to form a J shape, so that the effect of protecting the second limiting portion is achieved, and the appearance is more attractive.
The side window handrail 30 is provided with a hollow cavity 31, a third limiting part 33 is arranged in the hollow cavity 31, and the third limiting part 33 is sleeved on the locking bolt rod part 22 and is fastened and connected through a second locking nut 60; the third stopper 33 is annular and is disposed coaxially with the lock bolt.
In the embodiment, the head of the locking bolt is clamped into the limiting cavity from the side face of the carriage side plate profile, the distance between the locking bolt and the two side faces of the carriage side plate profile is adjusted as required, and then the locking bolt is fastened through the first locking nut; then, the side window handrail is sleeved on the sleeve and finally fastened through a second locking nut.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a passenger train side window handrail fixed knot constructs which characterized in that includes: a carriage side plate section bar and a side window handrail;
the carriage side plate section is provided with a first limiting part and a second limiting part which are arranged up and down, a limiting containing cavity is formed between the first limiting part and the second limiting part, a locking bolt is clamped in the limiting containing cavity, and the rod part of the locking bolt is exposed and is tightly matched with the first limiting part and the second limiting part through a first locking nut;
the side window handrail is provided with a hollow cavity, a third limiting part is arranged in the hollow cavity, and the third limiting part is sleeved on the rod part of the locking bolt and is tightly connected with the rod part of the locking bolt through a second locking nut.
2. The passenger car side window handrail fixing structure of claim 1, wherein the first limiting portion is arranged at a corner of the top of the carriage side plate profile, and the second limiting portion is arranged below the first limiting portion.
3. The passenger car side window handrail fixing structure as claimed in claim 1 or 2, wherein the upper surface of the limiting cavity is bent to form a clamping groove portion, and correspondingly, a clamping block portion is convexly arranged on the head portion of the locking bolt.
4. The passenger car side window handrail fixing structure as claimed in claim 1 or 2, wherein the lower surface of the limiting cavity is horizontally arranged.
5. The passenger car side window handrail fixing structure as claimed in claim 1, wherein the first and second limiting portions have reinforcing members mounted on outer surfaces thereof adjacent to the side window handrail, the reinforcing members being fitted around the rod portion of the locking bolt and being tightly fitted to the first and second limiting portions through the first locking nut.
6. The passenger car side window handrail fixing structure of claim 5, wherein the first lock nut is a flange nut, and the reinforcement member functions as a washer to increase the pre-tightening force of the first lock nut.
7. The passenger car side window handrail fixing structure of claim 5, wherein the second limiting portion is bent in an L-shape, a convex portion is formed at an end portion, and a reinforcing member is provided around the convex portion at the end portion in a J-shape.
8. The passenger car side window handrail fixing structure as claimed in claim 1, wherein the third position-limiting portion is formed in a ring shape and is coaxially disposed with the locking bolt.
9. The passenger car side window handrail fixing structure of claim 1, wherein the third limiting part is fan-shaped, is uniformly distributed in the hollow cavity in the circumferential direction, and is coaxially arranged with the locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120534230.1U CN214689174U (en) | 2021-03-15 | 2021-03-15 | Passenger train side window handrail fixed knot constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120534230.1U CN214689174U (en) | 2021-03-15 | 2021-03-15 | Passenger train side window handrail fixed knot constructs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214689174U true CN214689174U (en) | 2021-11-12 |
Family
ID=78571250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120534230.1U Active CN214689174U (en) | 2021-03-15 | 2021-03-15 | Passenger train side window handrail fixed knot constructs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214689174U (en) |
-
2021
- 2021-03-15 CN CN202120534230.1U patent/CN214689174U/en active Active
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