CN211944706U - Tank car manhole cover hinge structure with slow descending function - Google Patents
Tank car manhole cover hinge structure with slow descending function Download PDFInfo
- Publication number
- CN211944706U CN211944706U CN202020463572.4U CN202020463572U CN211944706U CN 211944706 U CN211944706 U CN 211944706U CN 202020463572 U CN202020463572 U CN 202020463572U CN 211944706 U CN211944706 U CN 211944706U
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- Prior art keywords
- hinge
- sleeve
- manhole cover
- spiral shell
- hinge structure
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- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a tank car manhole cover hinge structure with slowly fall function, including welding at the first axle sleeve of first hinge one side and the second axle sleeve of welding in second hinge one side, rotate through the hinge pin between first axle sleeve and the second axle sleeve and connect, the spout has been seted up on the face of second hinge top, the hob is installed through bearing rotation in the inside both sides of spout, spiral shell and swivel nut have been cup jointed in the hob outside, connect through flexible subassembly between spiral shell and the swivel nut. The utility model discloses in, drive the hob through the spiral shell that removes and rotate and the spiral shell removes, through threaded connection between pivoted hob and the spiral shell, threaded connection has self-locking function, can limit the falling speed that slows down first hinge to prevent to descend suddenly because of the staff arm takes off the first hinge 3 that the power caused, and the collision problem between the upper cover of the manhole cover that brings and the lower cover improves manhole cover and hinge structure's life.
Description
Technical Field
The utility model relates to a tank car manhole cover technical field especially relates to tank car manhole cover hinge structure with slowly fall function.
Background
Hinges, also known as hinges, are mechanical devices used to connect two solids and allow relative rotation between them, and may be constructed of movable components or of foldable materials.
The manhole cover is arranged on a manhole arranged on a tank car, a lower cover of the manhole cover is usually installed above the manhole through a bolt, the upper cover and the lower cover of the manhole cover are rotatably connected through a hinge structure, and the manhole is opened and closed through opening and closing of the upper cover of the manhole cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the hinge structure of the manhole cover of the tank car with the slow descending function is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
tank car manhole cover hinge structure with slowly fall function, including the welding at the first axle sleeve of first hinge one side and the welding at the second axle sleeve of second hinge one side, rotate through the hinge pin between first axle sleeve and the second axle sleeve and connect, the spout has been seted up on the second hinge top face, the hob is installed through bearing rotation in the inside both sides of spout, spiral shell and swivel nut have been cup jointed in the hob outside, connect through flexible subassembly between spiral shell and the swivel nut, be connected through the connecting rod between the top of spiral shell and the bottom of first hinge.
As a further description of the above technical solution:
be provided with spiral blade segment and screw thread section on the hob, and spiral blade segment is close to the open end of first hinge and second hinge, the position of swivel nut is close to spiral blade segment, and the swivel nut passes through threaded connection in the screw thread section outside.
As a further description of the above technical solution:
the top of connecting rod and spiral shell to and all rotate through the second pivot and connect between the bottom of first hinge, the second pivot of first hinge bottom is located the position of being close to first axle sleeve department.
As a further description of the above technical solution:
the telescopic sleeve is welded on one side of the spiral sleeve, the telescopic rod is welded on one side of the spiral sleeve, and the telescopic sleeve is sleeved on the outer side of the telescopic rod.
As a further description of the above technical solution:
two first protruding columns are welded on one side of the first shaft sleeve and located in the vertical direction, and a second protruding column is welded on one side of the second shaft sleeve and located in the horizontal direction.
As a further description of the above technical solution:
the adjacent first convex columns and the second convex columns are elastically connected through springs.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, drive the hob through the spiral shell that removes and rotate and the spiral shell removes, through threaded connection between pivoted hob and the spiral shell, threaded connection has self-locking function, can limit the falling speed that slows down first hinge to prevent to descend suddenly because of the staff arm takes off the first hinge 3 that the power caused, and the collision problem between the upper cover of the manhole cover that brings and the lower cover improves manhole cover and hinge structure's life.
2. The utility model discloses in, through the elastic action of spring, slow down the speed when the first projection on the primary shaft cover rotates to the second projection on the secondary shaft cover to avoid impacting each other and damaging between first axle sleeve and the secondary shaft cover, further protect manhole cover and hinge structure, improve manhole cover and hinge structure's life.
Drawings
FIG. 1 is a schematic view showing the connection between a hinge shaft and a shaft sleeve of a hinge structure of a tank car manhole cover with a slow descent function according to the present invention;
FIG. 2 is a schematic view of the connection between the screw rod and the screw sleeve of the hinge structure of the manhole cover of the tank car with the slow descent function;
fig. 3 is a schematic connection diagram of the first convex column and the second convex column of the hinge structure of the manhole cover of the tank car with the slow descending function provided by the utility model;
fig. 4 is the schematic view of the internal structure of the retractable assembly of the hinge structure of the manhole cover of the tank car with the slow descent function according to the present invention.
Illustration of the drawings:
1. a first bushing; 101. a first convex column; 2. a second shaft sleeve; 201. a second convex column; 3. a first hinge; 4. a second hinge; 401. a chute; 5. a hinge axis; 6. a screw rod; 7. a connecting rod; 8. a rotating shaft; 9. a spiral sleeve; 10. a threaded sleeve; 11. a telescoping assembly; 1101. a telescopic sleeve; 1102. a telescopic rod; 12. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a hinge structure of a tank car manhole cover with a slow descending function comprises a first shaft sleeve 1 welded on one side of a first hinge 3 and a second shaft sleeve 2 welded on one side of a second hinge 4, the first hinge 3 is welded on one side of an upper cover of the manhole cover, the second hinge 4 is welded on one side of a lower cover of the manhole cover, the manhole cover is installed above a manhole through bolts, the first shaft sleeve 1 and the second shaft sleeve 2 are rotatably connected through a hinge shaft 5, a chute 401 is formed in the top end face of the second hinge 4, spiral rods 6 are rotatably installed on two sides inside the chute 401 through bearings, a spiral sleeve 9 and a spiral sleeve 10 are sleeved on the outer side of each spiral rod 6, the spiral sleeve 9 and the spiral sleeve 10 are connected through a telescopic assembly 11, spiral blade segments and thread segments are arranged on the spiral rods 6, the spiral blade segments are close to the opening ends of the first hinge 3 and the second hinge 4, and the position of, and the swivel nut 10 passes through threaded connection in the screw thread section outside, through spiral leaf screwed connection between swivel nut 9 and the spiral leaf section, through the helical blade's between swivel nut 9 and the hob 6 screwed connection, can drive the hob 6 when guaranteeing that swivel nut 9 removes and rotate, be connected through connecting rod 7 between the top of swivel nut 9 and the bottom of first hinge 3, change through the angle between connecting rod 7 and the second hinge 4, the in-process that connecting rod 7 moves forward, drive swivel nut 9 and remove in spout 401, under the effect of flexible subassembly 11, swivel nut 10 removes along with it, because the auto-lock function of screw thread, when the condition of external force is not applyed, restriction swivel nut 6's rotation, thereby restriction swivel nut 9's removal, thereby prevent that first hinge 3 of pivoted from descending suddenly, the manhole cover receives vibrations and damages, and the damage of hinge structure.
Specifically, as shown in fig. 1 to 4, the top of the connecting rod 7 and the screw sleeve 9, and the bottom of the first hinge 3 are rotatably connected through the second rotating shaft 8, the connecting rod 7 realizes the synchronous motion between the first hinge 3 and the second hinge 4, the second rotating shaft 8 at the bottom of the first hinge 3 is located at a position close to the first shaft sleeve 1, and when the first hinge 3 is ensured to rotate towards the second hinge 4 through the second rotating shaft 8, an acute angle formed between the connecting rod 7 and the second hinge 4 is smaller and smaller, so that the distance between the first hinge 3 and the second hinge 4 can be automatically adjusted, and the rotation of the first hinge 3 is ensured not to be limited.
Specifically, as shown in fig. 1 to 4, a telescopic sleeve 1101 is welded on one side of the screw sleeve 9, a telescopic rod 1102 is welded on one side of the screw sleeve 10, the telescopic sleeve 1101 is sleeved on the outer side of the telescopic rod 1102, the telescopic rod 1101 can slide in the telescopic sleeve 1102 so as to cooperate with the movement and stop of the screw sleeve 9 and the screw sleeve 10 in the horizontal direction, and the distance between the screw sleeve 9 and the screw sleeve 10 can be adjusted in cooperation with the position change of the connecting rod 7, so that the first hinge 3 can be covered on the second hinge 4.
Specifically, as shown in fig. 1-4, two first protruding columns 101 are welded on one side of a first shaft sleeve 1, the two first protruding columns 101 are located in the vertical direction, a second protruding column 201 is welded on one side of a second shaft sleeve 2, the second protruding column 201 is located in the horizontal direction, the first protruding column 101 rotates along with the rotation of the first shaft sleeve 1, the adjacent first protruding columns 101 and the second protruding columns 201 are elastically connected through springs 12, in the process that the first protruding columns 101 rotate towards the second protruding columns 201, the rotating speed of the first protruding columns 101 is reduced through the springs 12, the damage caused by mutual impact between the first shaft sleeve 1 and the second shaft sleeve 2 is avoided, and the service life of the whole hinge structure is prolonged.
The working principle is as follows: when the manhole cover is used, the manhole cover upper cover is manually closed, namely, in the process that the first hinge 3 rotates towards the second hinge 4, firstly, when the first hinge 3 rotates downwards, under the action of the second rotating shaft 8, the connecting rod 7 rotates upwards by taking the second rotating shaft 8 as a rotation original point, under the limiting action of the screw sleeve 9, the connecting rod 7 drives the screw sleeve 9 to move forwards in the chute 401, under the connecting action of the telescopic assembly 11, the screw sleeve 10 moves forwards, and because the screw sleeve 9 is in screw connection with the screw rod 6 through the helical blade, the screw rod 6 is driven to rotate, and between the thread section on the rotating screw rod 6 and the screw sleeve 10, because of the self-locking function of the thread, when external force is not applied, the rotation of the screw rod 6 is limited, so that the movement of the screw sleeve 9 is limited, the first hinge 3 is prevented from dropping suddenly, and the rotating first hinge 3 is prevented from dropping suddenly, in addition, in the rotating process, the first convex column 101 on the first shaft sleeve 1 can press the spring 12 to move towards the second convex column 201 on the second shaft sleeve 2, so that the rotating speed of the first hinge 3 rotating downwards is further reduced, the damage caused by mutual impact between the first shaft sleeve 1 and the second shaft sleeve 2 is avoided, and the service life of the whole hinge structure is prolonged; when the manhole cover is opened, the operations are operated reversely to realize the same function, so that the speed of the opening and closing process of the manhole cover is buffered, the manhole cover and the hinge structure are protected, and the service life of the manhole cover and the hinge structure is prolonged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Tank car manhole cover hinge structure with slowly fall function, including welding first axle sleeve (1) in first hinge (3) one side and welding second axle sleeve (2) in second hinge (4) one side, its characterized in that, rotate through hinge pin (5) between first axle sleeve (1) and second axle sleeve (2) and be connected, spout (401) have been seted up on second hinge (4) top face, spiral shell (6) are installed through bearing rotation in spout (401) inside both sides, spiral shell (9) and swivel nut (10) have been cup jointed in the spiral shell (6) outside, connect through telescopic component (11) between spiral shell (9) and swivel nut (10), be connected through connecting rod (7) between the top of spiral shell (9) and the bottom of first hinge (3).
2. The manhole cover hinge structure of the tank car with the slow descending function according to claim 1, wherein the screw rod (6) is provided with a screw blade section and a threaded section, the screw blade section is close to the opening ends of the first hinge (3) and the second hinge (4), the screw sleeve (9) is close to the screw blade section, and the screw sleeve (10) is connected to the outer side of the threaded section through threads.
3. The manhole cover hinge structure of the tank car with the slow descending function according to claim 1, wherein the connecting rod (7) and the top of the spiral sleeve (9) and the bottom of the first hinge (3) are rotatably connected through a second rotating shaft (8), and the second rotating shaft (8) at the bottom of the first hinge (3) is positioned close to the first shaft sleeve (1).
4. The tank truck manhole cover hinge structure with the slow descending function according to claim 1, wherein a telescopic sleeve (1101) is welded on one side of the spiral sleeve (9), a telescopic rod (1102) is welded on one side of the spiral sleeve (10), and the telescopic sleeve (1101) is sleeved on the outer side of the telescopic rod (1102).
5. The manhole cover hinge structure of the tank car with the slow descending function according to claim 1, wherein two first convex columns (101) are welded on one side of the first shaft sleeve (1), the two first convex columns (101) are located in the vertical direction, a second convex column (201) is welded on one side of the second shaft sleeve (2), and the second convex column (201) is located in the horizontal direction.
6. The hinge structure of the manhole cover of the tank truck with the slow descending function according to claim 5, wherein the adjacent first convex column (101) and the second convex column (201) are elastically connected through a spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020463572.4U CN211944706U (en) | 2020-04-01 | 2020-04-01 | Tank car manhole cover hinge structure with slow descending function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020463572.4U CN211944706U (en) | 2020-04-01 | 2020-04-01 | Tank car manhole cover hinge structure with slow descending function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211944706U true CN211944706U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020463572.4U Expired - Fee Related CN211944706U (en) | 2020-04-01 | 2020-04-01 | Tank car manhole cover hinge structure with slow descending function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211944706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776695A (en) * | 2021-01-22 | 2021-05-11 | 李振江 | Slowly fall formula culvert pipe transport vechicle |
-
2020
- 2020-04-01 CN CN202020463572.4U patent/CN211944706U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776695A (en) * | 2021-01-22 | 2021-05-11 | 李振江 | Slowly fall formula culvert pipe transport vechicle |
| CN112776695B (en) * | 2021-01-22 | 2022-08-09 | 李振江 | Slowly fall formula culvert pipe transport vechicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |