CN210622557U - Folding device - Google Patents
Folding device Download PDFInfo
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- CN210622557U CN210622557U CN201920850348.8U CN201920850348U CN210622557U CN 210622557 U CN210622557 U CN 210622557U CN 201920850348 U CN201920850348 U CN 201920850348U CN 210622557 U CN210622557 U CN 210622557U
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- hinge
- block
- folding
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- rotating shaft
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Abstract
The utility model relates to a folding device, a serial communication port, include: the folding device comprises a folding seat, a connecting groove and a connecting rod, wherein the connecting groove is formed on one side of the folding seat; the head of the hinge is rotatably arranged in the connecting groove on the hinge seat through a rotating shaft, and two first stop blocks are symmetrically formed on two end faces of the head of the hinge; the two elastic stop blocks are symmetrically distributed on two sides of the folded paper head and penetrate through the rotating shaft, the outer side walls of the two elastic stop blocks are respectively and fixedly matched with the inner side walls of the connecting grooves on the corresponding sides in a clamping mode, and second stop blocks matched with the first stop blocks on the corresponding sides are formed on the inner side walls of the two elastic stop blocks.
Description
Technical Field
The utility model relates to a folding device especially relates to a side door folding device down for rail wagon.
Background
The bottom door hinge of a truck in a railway wagon generally consists of a hinge, a hinge seat and a pin. The folding seat is welded on a door frame on the upper part of the side door, the folding is welded on the lower side door plate, and the folding seat and the folding are penetrated together by a pin, so that the lower side door is hung on the outer side of the door frame and can be turned upwards for discharging or closed downwards.
At present, due to the large gaps among the hinges, the hinge seats and the pins in all directions, the lower side door panel and the side door opening part are continuously collided by vibration during the running of the vehicle, so that the lower side door edge and the lower side door opening part are the most serious parts of the wear and corrosion of the open wagon. When the lower side door is closed during empty operation, the lower side door tends to open due to the structure and gravity, and thus the vibration of the lower side door is increased. In addition, since the lower door and the hinge do not have any damping device, the impact is severe when the door is closed.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a folding device having a damping effect during the closing process and having a tendency to clamp in the closed state, which can reduce the wear and corrosion of the door panel edge and the door opening.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a folding apparatus, comprising:
the folding device comprises a folding seat, a connecting groove and a connecting rod, wherein the connecting groove is formed on one side of the folding seat;
the head of the hinge is rotatably arranged in the connecting groove on the hinge seat through a rotating shaft, and two first stop blocks are symmetrically formed on two end faces of the head of the hinge;
the two elastic stop blocks are symmetrically distributed on two sides of the folded paper head and penetrate through the rotating shaft, the outer side walls of the two elastic stop blocks are respectively and fixedly matched with the inner side walls of the connecting grooves on the corresponding sides in a clamping mode, and second stop blocks matched with the first stop blocks on the corresponding sides are formed on the inner side walls of the two elastic stop blocks.
Preferably, the top surface of the first stopper is parallel to the end surface of the head of the hinge, the lower edge of the top surface is aligned with the central axis of the rotating shaft, both the upper side surface and the lower side surface of the first stopper are inclined surfaces, the length of the upper side surface is greater than that of the lower side surface, and the inclination of the upper side surface of the first stopper is smaller than that of the lower side surface;
the top surface of the second stop block is parallel to the inner side wall of the elastic stop block, and the upper edge of the top surface is aligned with the central axis of the rotating shaft; the lower side surface and the upper side surface of the second stop block are both inclined surfaces, the length of the lower side surface is greater than that of the upper side surface, and the inclination of the lower side surface of the second stop block is the same as that of the upper side surface of the first stop block; the inclination of the upper side surface of the second stop block is the same as that of the lower side surface of the first stop block;
the second stop block and the first stop block are the same in height.
Preferably, the front side surface and the rear side surface of the first stop block and the front side surface and the rear side surface of the second stop block are arc-shaped side surfaces parallel to the outer side wall of the rotating shaft; the outer contour of the front side surface of the second stop block is larger than that of the front side surface of the first stop block, and the outer contour of the rear side surface of the second stop block is larger than that of the rear side surface of the first stop block.
Preferably, the elastic stop block comprises a block blocking body, the elastic block is integrally arranged on one side face of the block blocking body, the second stop block is integrally arranged on the other side face of the block blocking body, a through hole for the rotating shaft to pass through is formed in the block blocking body, a recess matched with the shape of the elastic block is formed in the inner side wall of the connecting groove, and the thickness of the elastic block is larger than the depth of the recess.
Preferably, the elastic body is made of a high polymer material and is integrally arranged on one side surface of the block body through injection molding; four injection molding through holes are formed in the block body; the block body is made of steel through forging and machining, is of a plate-shaped body structure, and is arc-shaped and rectangular in cross section.
Preferably, the folding seat comprises a rectangular bottom plate and two vertical plates fixedly arranged on two sides of the top surface of the rectangular bottom plate, the rectangular bottom plate and the two vertical plates form the connecting groove in a surrounding mode, and through holes for the rotating shaft to penetrate through are coaxially formed in the two vertical plates.
Preferably, the hinge comprises a hinge head and a hinge body which are integrally formed, the hinge head is of a cylindrical structure, and a through hole for the rotating shaft to pass through is formed in the hinge head; the two first stop blocks are symmetrically arranged on two end faces of the folding head.
Preferably, a reinforcing rib plate is arranged between the folding body and the folding head.
Preferably, the rotating shaft adopts a round pin.
Preferably, the folding seat is made of cast steel through casting and machining; the hinge is made of steel through forging forming and machining.
The utility model discloses owing to take above technical scheme, it has following advantage: 1. the hinge of the utility model is rotationally arranged in the connecting groove of the hinge seat through the rotating shaft, the two end surfaces of the head part of the hinge are symmetrically provided with the first stop blocks, two elastic stop blocks are arranged at two sides of the head part of the hinge, a second stop block matched with the first stop block at the corresponding side is formed on the inner side wall of the elastic stop blocks, the hinge rotates in the connecting groove around the rotating shaft, the first stop block and the second stop block are in surface contact, and the contact surfaces slide relatively, so that the two elastic stop blocks respectively move to the two sides of the connecting groove along the axial direction of the rotating shaft, the elastic stop blocks are pressed, provides reaction force for the hinge, so that the lower side door has damping when being closed, has moment of door closing trend after being closed, the lower side door can be effectively prevented from being collided when being closed and shaking along with the vehicle, and the abrasion and corrosion of the edge of the door plate and the door opening can be reduced.
2. The first stop block and the second stop block of the utility model form the top surface and the inclined surface which are mutually matched, so as to provide damping effect in the door closing process of the lower side door, and after the lower side door is closed, the hinge has the moment which moves towards the door closing direction, thus effectively restricting the door closing state at the lower side to prevent vehicle-mounted vibration; greatly reducing the abrasion and corrosion of the edge of the door panel and the doorway part.
3. The utility model discloses provide damping torque and the moment of the tendency of closing the door after closing the door when the side door is closed down for when the bulk cargo is unloaded to open the door, can prevent effectively that the side door from collapsing suddenly and opening, guarantee operation personnel safety.
4. The utility model discloses a folding device's form matches with current lower side door form, need not to reform transform automobile body and downside door plant, practices thrift and reforms transform the cost.
Drawings
Fig. 1 is an isometric view of the door closed state of the present invention after assembly;
FIG. 2 is an exploded view of the components of the present invention;
FIG. 3 is a front view of the door closed state after assembly of the present invention;
FIG. 4 is a schematic sectional top view A-A of FIG. 3;
FIG. 5 is a schematic view of section B-B from FIG. 3 from the right (with the first stop in the closed door position);
FIG. 6 is a schematic right view of the section B-B of FIG. 3 in a half-open state (the first stopper is in a half-open position);
fig. 7 is a schematic front view of the elastic stopper of the present invention;
FIG. 8 is a schematic right view of section A-A of FIG. 7;
FIG. 9 is a schematic right-view of the section B-B of FIG. 7;
fig. 10 is a schematic partial cross-sectional view of the folding base of the present invention;
FIG. 11 is a schematic cross-sectional left view of section A-A of FIG. 10;
FIG. 12 is a schematic top view of the structure of FIG. 10;
fig. 13 is a schematic front view of the hinge of the present invention;
fig. 14 is a left side schematic view of fig. 13.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. It is to be understood, however, that the drawings are provided for a better understanding of the invention and that they are not to be interpreted as limiting the invention.
As shown in fig. 1-2, the utility model provides a pair of folding device, it includes:
the folding device comprises a folding seat 1, wherein a connecting groove 10 is formed in one side of the folding seat 1;
the head of the hinge 2 is rotatably arranged in the connecting groove 10 on the hinge base 1 through a rotating shaft 5, and two first stop blocks 21 are symmetrically formed on two end faces of the head of the hinge 2;
two elastic stop blocks 3, the symmetric distribution is in the head both sides of folding paper 2 and wears to establish in pivot 5, and the lateral wall a of two elastic stop blocks 3 cooperates with the inside wall card of the connecting groove 10 of corresponding side admittedly respectively, is formed with the second dog 30 with the first dog 21 complex of corresponding side on the inside wall b of two elastic stop blocks 3.
In the above embodiment, preferably, as shown in fig. 13 and 14, the top surface 212 of the first stopper 21 is parallel to the head end surface of the hinge 2, the lower edge of the top surface 212 is aligned with the central axis of the rotating shaft 5, both the upper side surface 211 and the lower side surface 213 of the first stopper 21 are inclined surfaces, the upper side surface 211 of the first stopper 21 has a longer length and a smaller inclination, and the lower side surface 213 has a shorter length and a larger inclination. As shown in fig. 7 and 9, the top surface 302 of the second stopper 30 is parallel to the inner sidewall b of the elastic stopper 3, and the upper edge of the top surface 302 is aligned with the central axis of the rotating shaft 5; the lower side surface 301 and the upper side surface 303 of the second stopper 30 are both inclined surfaces, and the lower side surface 301 of the second stopper 30 is longer and has the same inclination as the upper side surface 211 of the first stopper 21; the upper side 303 of the second stopper 30 is shorter in length and has the same inclination as the lower side 213 of the first stopper 21. The second stopper 30 and the first stopper 21 have the same height.
In the above embodiment, it is preferable that the front side surface 214 and the rear side surface 215 of the first stopper 21 and the front side surface 304 and the rear side surface 305 of the second stopper 30 are arc-shaped side surfaces parallel to the outer side wall of the rotating shaft 5, the outer contour of the front side surface 304 of the second stopper 30 is larger than the outer contour of the front side surface 214 of the first stopper 21, and the outer contour of the rear side surface 305 of the second stopper 30 is larger than the outer contour of the rear side surface 215 of the first stopper 21.
In the above embodiment, preferably, as shown in fig. 4 and fig. 7 to 9, the elastic stopper 3 includes a stopper body 31, an elastic body 32 integrally disposed on one side surface of the stopper body 31, a second stopper 30 integrally disposed on the other side surface of the stopper body 31, a through hole 33 for the rotation shaft 5 to pass through is formed on the stopper body 31, a recess 101 adapted to the shape of the elastic body 32 is formed on the inner side wall of the connection groove 10, so that the elastic stopper 3 is fixedly secured on the inner side wall of the folder 1, and the thickness of the elastic body 32 is greater than the depth of the recess 101; when the elastic stopper 3 is slid toward the recess 101, the elastic body 32 is compressed, the elastic stopper 3 receives elastic resistance, and the elastic stopper 3 generates reaction force to the hinge 2, so that resistance torque is generated when the hinge 2 rotates about the rotary shaft 5.
In the above embodiment, it is preferable that the elastic body 32 is made of a polymer material and is integrally provided on one side surface of the stopper body 31 by injection molding.
In the above embodiment, preferably, in order to facilitate the injection molding of the elastic body 32 and the stopper body 31 into a whole and prevent the falling off, four injection through holes 34 are formed in the stopper body 31 for injecting the polymer material when the elastic body 32 is molded.
In the above embodiment, preferably, the block body 31 is made of steel through forging and machining, and the block body 31 has a plate-shaped structure with a cross section of a circular arc-shaped spliced rectangle.
In the above embodiment, preferably, as shown in fig. 10 to 12, the folder 1 includes a rectangular bottom plate 11 and two vertical plates 12 fixedly disposed on two sides of the top surface of the rectangular bottom plate 11, a connecting groove 10 is defined between the rectangular bottom plate 11 and the two vertical plates 12, and through holes 13 for the rotating shaft 5 to pass through are coaxially formed on the two vertical plates 12.
In the above embodiment, the folding seat 1 is preferably made of cast steel as a whole, and is formed by casting and machining.
In the above embodiment, preferably, as shown in fig. 13 and 14, the hinge 2 includes a hinge head 20 and a hinge body 22 which are integrally formed, the hinge head 20 is in a cylindrical structure, a through hole 23 for the spindle 5 to pass through is formed in the hinge head 20, and two first stoppers 21 are symmetrically disposed on two end faces of the hinge head 20; when the folding device is used, the through hole 23 on the folding head 20, the through hole 13 on the folding seat 1 and the through hole 33 on the elastic stop block 3 are connected through the rotating shaft 5, so that the folding 2 is rotatably arranged in the connecting groove 10 on the folding seat 1, and the folding body 22 is connected with the lower side door in a welding mode.
In the above embodiment, it is preferable that a reinforcing rib 24 is provided between the folder 22 and the folding head 21 in order to increase the coupling strength of the folder 22 and the folding head 21.
In the above embodiment, the hinge 2 is preferably formed by forging and machining a steel material.
In the above embodiment, the rotating shaft 5 may preferably use a round pin and a retainer ring 6.
As shown in fig. 1-6, the utility model discloses an equipment and working process are as follows:
when a railway wagon is newly manufactured or assembled with a lower side door in a maintenance mode, firstly, a folding seat 1 is assembled and welded on an upper frame of the lower side door according to the position of a drawing; the hinge body 22 of the hinge 2 is welded to the lower side door panel. The elastic bodies 32 of the two elastic stoppers 3 are respectively put into the concave 101 of the folding seat 1 on the corresponding side. Then, the lower side door and the hinge 2 are integrally and horizontally hoisted to the position of the hinge base 1, the folding head 20 of the hinge 2 is inserted between the two elastic stop blocks 3, the through hole 23 on the folding head 20 is aligned with the through hole 33 on the elastic stop block 3 and the axis of the through hole 13 on the hinge base 1, then, a round pin 5 is penetrated, the lower side door and the hinge are put down to a vertical position (namely, a door closing position), the tail end of the round pin 5 is sleeved into the retainer ring 6, the round pin 5 and the retainer ring 6 are subjected to tack welding, and the assembly of the folding device on the lower side door is completed.
When the lower door is opened at an angle of about 30 °, the folding head 20 on the hinge 2 rotates around the round pin, so that the upper side 211 of the first stopper 21 on the end surface of the folding head is brought into contact with the lower side 301 of the second stopper 30 of the elastic stopper 3. When the hinge 2 continues to rotate downward around the round pin 5, the two side surfaces slide with each other, so that the two elastic stoppers 3 move to the corresponding recesses 101 along the axial direction of the round pin, respectively, the elastic bodies 32 are compressed, and the reaction force of the elastic bodies 32 causes the rotation of the hinge 2 to have a resistance torque, which gradually increases as the hinge continues to rotate. When the top surface 212 of the first stopper 21 and the top surface 302 of the second stopper 30 of the elastic stopper 3 are in contact, the elastic stopper 3 moves to the limit toward the recess 101 side, and the elastic body 32 is compressed to the limit position, having a fixed frictional resistance torque against the rotation of the hinge 2. Therefore, damping can be provided when the lower side door is closed, and the collision between the lower side door and a vehicle body is reduced when the lower side door is closed.
When the lower side door and the hinge 2 rotate to the door closing position, the lower side surface 213 of the first stop block 21 contacts with the upper side surface 303 of the second stop block 30, the elastic body 32 is still compressed, the hinge 2 has a reaction force, at this time, because the direction of the mutually contacted inclined surfaces of the first stop block 21 and the second stop block 30 is changed, the action direction of the resistance moment of the hinge 2 is opposite, the hinge 2 has a moment which is driven towards the door closing direction (namely, the hinge 2 has a downward rotating trend), and thus, the lower side door can be effectively restrained (namely, the lower side door is clamped in a door frame) in the door closing state of the lower side door, so that the lower side door is prevented from shaking along with the vehicle;
because there is the moment of the trend of closing the door in the side door closing process down, there is damping moment in the in-process of opening the door, so when bulk cargo is unloaded and is opened the door, can prevent that the side door from collapsing suddenly and opening, guarantee operation personnel's safety.
The present invention has been described only with reference to the above embodiments, and the structure, arrangement position and connection of the components may be changed. On the basis of the technical scheme of the utility model, the all sides according to the utility model discloses the principle is all not excluded to the improvement that individual part goes on or the transform of equivalence the utility model discloses a protection scope is outside.
Claims (10)
1. A folding apparatus, comprising:
the folding device comprises a folding seat (1), wherein a connecting groove (10) is formed in one side of the folding seat (1);
the head of the hinge (2) is rotatably arranged in the connecting groove (10) on the hinge seat (1) through a rotating shaft (5), and two first stop blocks (21) are symmetrically formed on two end faces of the head of the hinge (2);
two elastic stop blocks (3) are symmetrically distributed on two sides of the head of the hinge (2) and penetrate through the rotating shaft (5), outer side walls (a) of the two elastic stop blocks (3) are respectively and fixedly matched with inner side walls (b) of the connecting grooves (10) on the corresponding sides in a clamping mode, and second stop blocks (30) matched with the first stop blocks (21) on the corresponding sides are formed on the inner side walls (b) of the two elastic stop blocks (3).
2. A folding apparatus according to claim 1, wherein: the top surface (212) of the first block (21) is parallel to the head end surface of the hinge (2), the lower edge of the top surface (212) is aligned with the central axis of the rotating shaft (5), the upper side surface (211) and the lower side surface (213) of the first block (21) are both inclined surfaces, the length of the upper side surface (211) is greater than that of the lower side surface (213) thereof, and the inclination of the upper side surface (211) of the first block (21) is smaller than that of the lower side surface (213) thereof;
the top surface (302) of the second block (30) is parallel to the inner side wall (b) of the elastic block (3), and the upper edge of the top surface (302) is aligned with the central axis of the rotating shaft (5); the lower side surface (301) and the upper side surface (303) of the second block (30) are both inclined surfaces, the length of the lower side surface (301) is greater than that of the upper side surface (303) of the second block, and the inclination of the lower side surface (301) of the second block (30) is the same as that of the upper side surface (211) of the first block (21); the inclination of the upper side (303) of the second stop (30) is the same as the inclination of the lower side (213) of the first stop (21);
the second stopper (30) and the first stopper (21) have the same height.
3. A folding apparatus according to claim 2, wherein: the front side surface (214) and the rear side surface (215) of the first block (21) and the front side surface (304) and the rear side surface (305) of the second block (30) are arc-shaped side surfaces which are parallel to the outer side wall of the rotating shaft (5); the outer contour of the front side (304) of the second stop (30) is greater than the outer contour of the front side (214) of the first stop (21), and the outer contour of the rear side (305) of the second stop (30) is greater than the outer contour of the rear side (215) of the first stop (21).
4. A folding apparatus according to claim 1, wherein: elastic stop block (3) are including keeping off block body (31), and an organic whole sets up elastomer (32) on a block body (31) side, a second dog (30) an organic whole sets up keep off on the another side of block body (31), set up the confession on the block body (31) through-hole (33) that pivot (5) passed, be formed with on the inside wall of coupling groove (10) with sunken (101) that the shape of elastomer (32) suited, the thickness of elastomer (32) is greater than the degree of depth of sunken (101).
5. A folding apparatus according to claim 4, wherein: the elastic body (32) is made of high polymer materials and is integrally arranged on one side surface of the block body (31) through injection molding; four injection molding through holes (34) are formed in the block body (31); the blocking body (31) is made of steel through forging and machining, the blocking body (31) is of a plate-shaped body structure, and the cross section of the blocking body is in a circular arc-shaped splicing rectangle.
6. A folding apparatus according to claim 1, wherein: the folding seat (1) comprises a rectangular bottom plate (11) and two vertical plates (12) fixedly arranged on two sides of the top surface of the rectangular bottom plate (11), the rectangular bottom plate (11) and the two vertical plates (12) are enclosed to form the connecting groove (10), and through holes (13) for the rotating shaft (5) to pass through are coaxially formed in the two vertical plates (12).
7. A folding apparatus according to claim 1, wherein: the hinge (2) comprises a hinge head (20) and a hinge body (22) which are integrally formed, the hinge head (20) is of a cylindrical structure, and a through hole (23) for the rotating shaft (5) to pass through is formed in the hinge head (20); the two first stop blocks (21) are symmetrically arranged on two end faces of the folding head (20).
8. A folding apparatus according to claim 7, wherein: a reinforcing rib plate (24) is arranged between the folding body (22) and the folding head (20).
9. A folding apparatus according to claim 1, wherein: the rotating shaft (5) adopts a round pin.
10. A folding apparatus according to claim 1, wherein: the folding seat (1) is made of cast steel through casting molding and machining; the hinge (2) is made of steel through forging forming and machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850348.8U CN210622557U (en) | 2019-06-06 | 2019-06-06 | Folding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850348.8U CN210622557U (en) | 2019-06-06 | 2019-06-06 | Folding device |
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| Publication Number | Publication Date |
|---|---|
| CN210622557U true CN210622557U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920850348.8U Active CN210622557U (en) | 2019-06-06 | 2019-06-06 | Folding device |
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| Country | Link |
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| CN (1) | CN210622557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833374A (en) * | 2021-10-26 | 2021-12-24 | 田军德 | Electric motor car is folded paper |
-
2019
- 2019-06-06 CN CN201920850348.8U patent/CN210622557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833374A (en) * | 2021-10-26 | 2021-12-24 | 田军德 | Electric motor car is folded paper |
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