CN216659534U - Covering part door structure and engineering vehicle - Google Patents
Covering part door structure and engineering vehicle Download PDFInfo
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- CN216659534U CN216659534U CN202220007654.7U CN202220007654U CN216659534U CN 216659534 U CN216659534 U CN 216659534U CN 202220007654 U CN202220007654 U CN 202220007654U CN 216659534 U CN216659534 U CN 216659534U
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Abstract
The application provides a covering door structure and engineering vehicle belongs to engineering machine tool technical field, and covering door structure includes: the door frame comprises an upper frame, a lower frame and two side frames, wherein the side frames are provided with first supporting parts; the door plate is rotatably connected with the upper frame, a second supporting part is arranged on the door plate, and the second supporting part is positioned on one side of the first supporting part, which is far away from the lower frame; one end of the supporting device and the first supporting part are hinged to the first hinge point, and the other end of the supporting device and the second supporting part are hinged to the second hinge point; when the door panel is in a closed state, the distance from the first hinge point to the door frame is larger than the distance from the second hinge point to the door frame. Through the technical scheme of this application, can reduce the door plant angle that the door plant closed critical point corresponds, reduce the moment of closing the door of covering to avoid the door plant to close with higher speed, reduced the risk that the door plant presss from both sides the wounded hand.
Description
Technical Field
The application belongs to the technical field of engineering machinery, concretely relates to covering door structure and engineering vehicle.
Background
At present, the door that uses on the concrete pump truck all is iron covering door, and weight is heavy to the lower limb is the sharp limit of right angle, and the hinge point arranges unreasonablely, and the power of closing the door is very big, and acceleration is big downwards, and the hand is scratched very easily under high-speed closing the door, has the risk of pressing from both sides disconnected finger.
SUMMERY OF THE UTILITY MODEL
The present application is directed to improving upon at least one of the problems of the prior art or the related art.
In view of the above, it is an object according to the present application to provide a cover door structure.
Another object according to the application is to provide a work vehicle.
In order to achieve the above object, according to a first aspect of the present application, there is provided a cover door structure including: the door frame comprises an upper frame, a lower frame and two side frames, wherein the side frames are provided with first supporting parts; the door plate is rotatably connected with the upper frame, a second supporting part is arranged on the door plate, and the second supporting part is positioned on one side of the first supporting part, which is far away from the lower frame; one end of the supporting device and the first supporting part are hinged to the first hinge point, and the other end of the supporting device and the second supporting part are hinged to the second hinge point; when the door plate is in a closed state, the distance from the first hinge point to the door frame is larger than the distance from the second hinge point to the door frame.
A covering door structure according to the present application includes a door frame, a door panel, and a support device. The door plate is rotatably connected with the door frame, the two ends of the supporting device are respectively connected with the door plate and the door frame, and the supporting device can support the door plate after the door plate is opened. The door frame is enclosed by last frame, lower frame and two side frames and forms, and on the side frame was located to first supporting part, be equipped with the second supporting part on the door plant, the second supporting part was located one side that lower frame was kept away from to first supporting part. The first supporting part and the second supporting part are respectively hinged with two ends of the supporting device. One end of the first supporting part and one end of the supporting device are hinged to the first hinge point, and the other end of the second supporting part and the other end of the supporting device are hinged to the second hinge point. Wherein, the door plant is when closed state, and the distance through setting up first hinge point to the door frame is greater than the distance of second hinge point to the door frame, can reduce the door plant angle that the door plant closed critical point corresponds, reduces the moment of closing the door of covering to avoid the door plant to accelerate the closure, reduced the risk that the door plant presss from both sides the wounded hand.
In addition, the technical scheme provided by the application can also have the following additional technical characteristics:
in the above technical solution, a difference between a distance from the first hinge point to the door frame and a distance from the second hinge point to the door frame is greater than or equal to 20 mm.
In the technical scheme, the difference value of subtracting the distance from the second hinge point to the door frame from the distance from the first hinge point to the door frame is more than or equal to 20mm, so that the door plate angle corresponding to the door plate closing critical point can be reduced, the door closing force arm is reduced, and the door closing speed is reduced. Preferably, the distance from the first hinge point to the door frame is 70mm, the distance from the second hinge point to the door frame is 13mm, and the distance from the first hinge point to the second hinge point is 315 mm. Therefore, the door plate angle corresponding to the door plate closing critical point is reduced to 10 degrees from 31 degrees, and when the door plate is in a closed state, the force arm of the supporting device to the hinge is reduced to 33mm from 104mm, so that the moment of the supporting device to the hinge is reduced, the accelerated closing of the door is avoided, and the risk of injuring the hand by the door plate clamp is reduced.
Among the above-mentioned technical scheme, the one side that the door plant is close to the door frame is located to the second supporting part.
In the technical scheme, the second supporting part is arranged on one surface of the door plate close to the door frame, and the first supporting part is arranged on the side frame, so that the supporting device can support the door plate after the door plate is opened.
Among the above-mentioned technical scheme, covering door structure still includes: the hinge is hinged with the upper frame and the door panel.
In this solution, the overlay door structure further comprises a hinge. The hinge is used for hinging the upper frame and the door panel, thereby realizing the opening and closing of the door panel.
Among the above-mentioned technical scheme, the hinge was kept away from to the door frame one end is many turn-ups structure, and many turn-ups structure includes a plurality of fillet blunt edges.
In this technical scheme, the one end that the hinge was kept away from to the door frame is many turn-ups structure, and many turn-ups structure is a plurality of fillets blunt limit shaping of bending, and the hand is drawn to mellow and full not, has reduced the risk of acute angle cutting hand.
Among the above-mentioned technical scheme, many turn-ups structure is integrated into one piece.
In the technical scheme, the multi-flanging structure is integrally formed, the door edge reinforcing plates are reduced, the structure is simple, one welding line is reduced, and deformation is difficult to occur.
Among the above-mentioned technical scheme, covering door structure still includes: and the lamp tube structure is connected with one surface of the door plate close to the door frame and is used for installing a spotlight.
In this solution, the cover door structure further includes a lamp barrel structure. The lamp tube structure is connected with one surface of the door plate close to the door frame, and can be used for installing the spot lamp, so that the assembly problem of the spot lamp is solved.
In the above technical solution, the supporting device includes one of the following: the pneumatic device comprises a gas spring, a damper, an electric push rod, a support rod, a gas support, an angle adjuster and a gas pressure rod.
In the technical scheme, the supporting device can be a gas spring, a damper, an electric push rod, a supporting rod, a gas support, an angle adjuster or a gas pressure rod. The preferable air spring drives the door plate to open and close, and the door plate can be supported after being opened.
According to a second aspect of the present application, there is provided a work vehicle including a cover door structure according to any one of the first aspects of the present application.
According to the engineering vehicle provided by the application, the cover door structure according to any one of the above first aspects of the application is included, so that the engineering vehicle has all the advantages of the cover door structure according to any one of the above first aspects of the application, and the description is omitted.
In the technical scheme, the engineering vehicle comprises a concrete pump truck.
In the technical scheme, the engineering vehicle can be a concrete pump vehicle, and a cover part door structure is arranged on the concrete pump vehicle, so that the risk of hand injury caused by a door plate clamp can be reduced.
Additional aspects and advantages of embodiments in accordance with the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments in accordance with the present application.
Drawings
FIG. 1 is a front view structural schematic of a cover door structure according to one embodiment provided herein;
FIG. 2 is a left side structural schematic view of a cover door structure according to one embodiment provided herein;
fig. 3 is a left side view schematic structure diagram of a door frame according to an embodiment provided in the present application.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
10: a cover door structure; 110: a door frame; 112: a first support section; 120: a door panel; 122: a second support portion; 130: a support device; 140: a first hinge point; 150: a second hinge point; 160: a lower frame; 170: a lamp tube structure.
Detailed Description
In order that the above objects, features and advantages of embodiments according to the present application may be more clearly understood, embodiments according to the present application will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that features of embodiments according to the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments according to the present application, however, embodiments according to the present application may be practiced in other ways than those described herein, and therefore the scope of protection afforded by embodiments according to the present application is not limited by the specific embodiments disclosed below.
Some embodiments provided in accordance with the present application are described below with reference to fig. 1-3.
As shown in fig. 1 and 2, a cover door structure 10 according to an embodiment of the present application includes a door frame 110, a door panel 120, and a supporting device 130. Specifically, the door frame 110 includes an upper frame, a lower frame 160, and two side frames, and the side frames are provided with first supporting portions 112. The door panel 120 is rotatably connected to the upper frame, a second supporting portion 122 is disposed on the door panel 120, and the second supporting portion 122 is disposed on one side of the first supporting portion 112 away from the lower frame. One end of the supporting device 130 is hinged to the first supporting portion 112 at a first hinge point 140, and the other end of the supporting device 130 is hinged to the second supporting portion 122 at a second hinge point 150. Wherein, when the door panel 120 is in the closed state, the distance from the first hinge point 140 to the door frame 110 is greater than the distance from the second hinge point 150 to the door frame 110.
The cover door structure 10 according to the present embodiment includes a door frame 110, a door panel 120, and a support device 130. The door panel 120 is rotatably connected to the door frame 110, two ends of the supporting device 130 are respectively connected to the door panel 120 and the door frame 110, and the supporting device 130 can support the door panel 120 after the door panel 120 is opened. The door frame 110 is formed by enclosing an upper frame, a lower frame 160 and two side frames, the first supporting portion 112 is disposed on the side frames, the door panel 120 is provided with a second supporting portion 122, and the second supporting portion 122 is located on one side of the first supporting portion 112 away from the lower frame 160. The first supporting portion 112 and the second supporting portion 122 are respectively hinged to two ends of the supporting device 130. The first supporting portion 112 and one end of the supporting device 130 are hinged to the first hinge point 140, and the second supporting portion 122 and the other end of the supporting device 130 are hinged to the second hinge point 150. When the door panel 120 is in the closed state, the distance from the first hinge point 140 to the door frame 110 is greater than the distance from the second hinge point 150 to the door frame 110, so that the angle of the door panel 120 corresponding to the closed critical point of the door panel 120 can be reduced, the door closing moment of the covering element is reduced, the door panel 120 is prevented from being closed in an accelerated manner, and the risk of hand injury caused by clamping of the door panel 120 is reduced.
Specifically, the difference value of subtracting the distance from the second hinge point to the door frame from the distance from the first hinge point to the door frame is more than or equal to 20mm, so that the door plate angle corresponding to the door plate closing critical point can be reduced, the door closing force arm is reduced, and the door closing speed is reduced. Preferably, the distance from the first hinge point to the door frame is 70mm, the distance from the second hinge point to the door frame is 13mm, and the distance from the first hinge point to the second hinge point is 315 mm. Therefore, the door plate angle corresponding to the door plate closing critical point is reduced to 10 degrees from 31 degrees, and when the door plate is in a closed state, the force arm of the supporting device to the hinge is reduced to 33mm from 104mm, so that the moment of the supporting device to the hinge is reduced, the accelerated closing of the door is avoided, and the risk of injuring the hand by the door plate clamp is reduced.
Wherein, the supporting device can be a gas spring, a damper, an electric push rod, a supporting rod, a gas support, an angle adjuster or a gas pressure rod. The preferable air spring drives the door plate to open and close, and the door plate can be supported after being opened.
In the above embodiment, the door frame 110 is hinged to the door panel 120 by a hinge, so that the door panel 120 is opened and closed. It will be appreciated that during closing of the door panel 120, the door panel 120 begins to rotate in a direction closer to the doorframe 110. first, the gas spring positively acts on the door closing to prevent the door from closing quickly, with the moment of the gas spring and the door panel 120 in opposite directions. The direction of the gas spring force passes through the hinge axis of the door panel 120, the moment of the gas spring on the rotation center of the door panel 120 is 0, and the blocking effect of the gas spring on the closing of the door panel 120 is failed at this time. After the direction of the gas spring force passes through the hinge axis of the door panel 120, the two moments of the gas spring to the hinge axis and the self gravity of the door panel 120 to the hinge axis have the same direction, and the closing speed of the door panel 120 is increased by the gas spring. Therefore, the distance from the first hinge point 140 to the door frame 110 is greater than the distance from the second hinge point 150 to the door frame 110, so that the moment arm of the gas spring to the axis of the hinge can be reduced, the moment of the gas spring to the hinge can be reduced, the closing speed of the door panel 120 can be reduced, and the risk of hand injury caused by clamping of the door panel 120 can be reduced.
In the above embodiment, the second support portion 122 is disposed on a side of the door panel 120 close to the door frame 110, and the first support portion 112 is disposed on the side frame, so that the gas spring can support the door panel 120 after the door panel 120 is opened.
As shown in fig. 3, in some embodiments, the end of the door frame 110 away from the hinge is a multi-flanged structure, and the multi-flanged structure is formed by bending a plurality of round corners and blunt edges, so that the door frame is smooth and does not scratch hands, and the risk of cutting the hands at acute angles is reduced. The multi-flanging structure is integrally formed, the door edge reinforcing plates are reduced, the structure is simple, one welding line is reduced, and deformation is difficult to occur.
In some embodiments, the covering door structure 10 further includes a spot light disposed on the door panel 120, which can illuminate when the door panel 120 is opened, thereby facilitating operation. The cover door structure 10 also includes a light cartridge structure 170. The lamp tube structure 170 is connected to the surface of the door panel 120 close to the door frame 110, and can be used for installing a spot lamp, thereby solving the assembly problem of the spot lamp. The lamp tube structure 170 is embedded into the door panel 120, so that the spot lamp can be installed when the door panel 120 is closed, and the spot lamp is convenient to install.
In the above embodiment, the door panel 120 may be an aluminum alloy door panel 120, and compared with the iron door panel 120, the aluminum alloy door panel 120 reduces the weight of the door panel 120, and the weight of the door panel 120 is light, and at the same time, the thrust of the gas spring is also reduced, so that the impact when the door panel 120 is closed is reduced.
A work vehicle according to an embodiment of the present application includes the cover door structure 10 according to any one of the above embodiments.
According to the embodiment of the present application, the engineering vehicle includes the cover door structure 10 according to any one of the above embodiments, so that the engineering vehicle has all the advantages of the cover door structure 10 according to any one of the above embodiments, and the description thereof is omitted. Wherein the engineering machinery comprises a concrete pump truck.
As shown in fig. 1 to 3, according to a specific embodiment of the present disclosure, for example, a concrete pump truck, a covering door structure 10 is provided on the concrete pump truck. The cover door structure 10 includes a gas spring, a light tube structure 170 and a hinge.
The working principle is as follows: firstly, the positions of the first hinge point 140 and the second hinge point 150 are reasonably arranged, the first hinge point 140 is raised outwards to a distance of 70mm relative to the doorframe 110, the second hinge point 150 is retracted inwards to a distance of 13mm relative to the doorframe 110, and a distance 315mm between the first hinge point 140 and the second hinge point 150 is kept unchanged. And reducing the angle of the door panel 120 corresponding to the closing critical point of the door panel 120. The critical point is lowered from 31 to 10. When the door plate 120 is in a closed state, the moment of the air spring on the hinge is reduced by reducing the force arm, the force arm is reduced to 33mm from 104mm, the acting effect of the air spring on the door plate 120 is reduced by 70%, and the door plate 120 is prevented from being closed in an accelerating mode.
The covering piece door structure 10 is optimized again, and a multi-flanging structure is adopted, so that the covering piece door structure is smooth and does not scratch hands. The door edge reinforcing plate is reduced, welding beads are reduced, and deformation is reduced.
Then the material of the door panel 120 is changed from iron to aluminum alloy, the self weight of the aluminum alloy door panel 120 is reduced by 55% compared with that of steel, the weight of the door panel 120 is light, meanwhile, the thrust of the gas spring is also reduced, and the impact when the door panel 120 is closed is reduced.
Finally, the lamp tube structure 170 is welded on the door panel 120 in an embedded mode, and the problem that spot lamps are installed according to market requirements is solved.
Through the design improvement back above, the speed of door plant 120 reduces at a reasonable level when closed when closing the door, and door plant 120 lower limb is the fillet truncated edge simultaneously, and door plant 120 is aluminum alloy material light in weight, synthesizes above, even the hand is on door frame 110 when door plant 120 is closed, because speed is little, light in weight also can avoid door plant 120 to press from both sides and hinder the hand. Meanwhile, the door panel 120 may be provided with a lamp.
To sum up, the beneficial effect of this application embodiment is:
1. the moment of closing the door of covering is little, is original 30%, has reduced 70%, and door plant 120 uses the further weight that has reduced door plant 120 of aluminum alloy simultaneously, and door plant 120 weight is original 55%, great reduction the power of closing the door down, reduced the risk that door plant 120 presss from both sides the wounded hand.
2. The door closing speed is reduced by 70%, and the risk of hand injury by the door panel 120 is reduced at low speed.
3. The lower edge of the aluminum alloy is bent and formed by round corners and blunt edges, so that the risk of acute-angle cutting hands is reduced.
4. The integral bending forming reduces a welding seam.
5. The covering part door structure 10 is designed with a lamp tube, which can be used for installing a spot lamp, and solves the assembly problem of the lamp.
In the embodiments according to the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present application can be understood by those of ordinary skill in the art as the case may be.
In the description of the embodiments according to the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description of the embodiments according to the present application, and do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, cannot be construed as limitations on the embodiments according to the present application.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are merely preferred embodiments according to the present application, and are not intended to limit the embodiments according to the present application, and those skilled in the art may make various modifications and variations to the embodiments according to the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments according to the present application shall be included in the protection scope of the embodiments according to the present application.
Claims (10)
1. A panel door structure, comprising:
the door frame (110) comprises an upper frame, a lower frame (160) and two side frames, wherein the side frames are provided with first supporting parts (112);
the door panel (120) is rotatably connected with the upper frame, a second supporting part (122) is arranged on the door panel (120), and the second supporting part (122) is positioned on one side, away from the lower frame (160), of the first supporting part (112);
a support device (130), one end of the support device (130) and the first support part (112) are hinged to a first hinge point (140), and the other end of the support device (130) and the second support part (122) are hinged to a second hinge point (150);
wherein, when the door panel (120) is in a closed state, the distance from the first hinge point (140) to the door frame (110) is larger than the distance from the second hinge point (150) to the door frame (110).
2. The cover door structure according to claim 1,
the difference of the distance from the first hinge point (140) to the door frame (110) minus the distance from the second hinge point (150) to the door frame (110) is greater than or equal to 20 mm.
3. Cover door structure according to claim 1 or 2,
the second supporting portion (122) is disposed on a surface of the door panel (120) close to the door frame (110).
4. The cover door structure according to claim 1 or 2, further comprising:
a hinge that articulates the upper rim with the door panel (120).
5. The cover door structure according to claim 4,
the end, far away from the hinge, of the door frame (110) is of a multi-flanging structure, and the multi-flanging structure comprises a plurality of round-corner truncated edges.
6. The cover door structure according to claim 5,
the multi-flanging structure is integrally formed.
7. The cover door structure according to claim 1 or 2, further comprising:
and the lamp tube structure (170) is connected with one surface, close to the door frame (110), of the door panel (120), and the lamp tube structure (170) is used for installing a spotlight.
8. The overlay door structure of claim 1 or 2,
the support device (130) comprises one of: the pneumatic device comprises a gas spring, a damper, an electric push rod, a support rod, a gas support, an angle adjuster and a gas pressure rod.
9. A working vehicle, characterized by comprising a cover door structure according to any one of claims 1 to 8.
10. The work vehicle of claim 9, wherein the work vehicle comprises a concrete pump truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220007654.7U CN216659534U (en) | 2022-01-04 | 2022-01-04 | Covering part door structure and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220007654.7U CN216659534U (en) | 2022-01-04 | 2022-01-04 | Covering part door structure and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216659534U true CN216659534U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220007654.7U Active CN216659534U (en) | 2022-01-04 | 2022-01-04 | Covering part door structure and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216659534U (en) |
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2022
- 2022-01-04 CN CN202220007654.7U patent/CN216659534U/en active Active
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