CN216476825U - Side door automatic limiting structure and engineering machinery - Google Patents
Side door automatic limiting structure and engineering machinery Download PDFInfo
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- CN216476825U CN216476825U CN202122964445.XU CN202122964445U CN216476825U CN 216476825 U CN216476825 U CN 216476825U CN 202122964445 U CN202122964445 U CN 202122964445U CN 216476825 U CN216476825 U CN 216476825U
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- supporting rod
- side door
- limiting plate
- gasket
- fixed seat
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Abstract
The utility model discloses a side door automatic limiting structure and an engineering machine, which comprise a fixed seat, a sliding rail, a supporting rod and a limiting plate, wherein the fixed seat is fixed on the side door; the fixed seat is fixed at the bottom of the doorframe; the sliding rail is fixed at the bottom of the side door and is provided with a U-shaped hole; one end of the supporting rod is hinged on the fixed seat and can move up and down on the fixed seat, and the other end of the supporting rod is provided with a sheath which can slide in a U-shaped pore channel on the sliding rail; the limiting plate is installed in the right side below of slide rail, is preset the angle with the slide rail, is equipped with U type pore way on the limiting plate, and its width is the same with the U type pore way width on the slide rail, and the U type pore way on the limiting plate and the projection coincidence of the U type pore way on the slide rail in the horizontal plane direction, when the bracing piece slided rightmost side, the terminal minimum that is less than the U type pore way on the limiting plate in bracing piece left side to this realizes limit function. The utility model has simple and reliable structure, low manufacturing cost and small space required by installation, and is very suitable for installation in a space with compact structure.
Description
Technical Field
The utility model relates to an automatic limit structure of a side door, in particular to a structure capable of automatically limiting after the side door is opened to a fixed angle.
Background
With the strong support of the country to capital construction engineering, the engineering machinery is rapidly developed, the market is wider and wider, and the functions of the engineering machinery are more and more complex, so that the side door of the engineering machinery is often required to be opened and closed so as to be maintained and repaired regularly. After the side door is opened, the side door needs to be fixed to prevent the side door from rotating under the action of certain external force and damaging operating personnel or related equipment.
The existing side door limiting is divided into manual limiting and automatic limiting.
The most common manual limiting structure comprises three single-hole fixing seats and a supporting rod. One end of the supporting rod is inserted into a hole of one of the fixing seats all the time, the other two fixing seats are fixed on the side door and the frame respectively, the other end of the supporting rod can be inserted into any one of the fixing seat holes, the supporting rod, the side door and the frame form a stable triangle during limiting, and the side door cannot continue to rotate. The structure is inconvenient to open and cancel the limit, and manual operation is needed.
Common automatic limit structure divide into gas spring and slide formula, and wherein the gas spring contains two haplopore fixing bases and an air spring, and two fixing bases are fixed respectively on side door and frame, and the air spring both ends are connected respectively on two fixing bases, and the air spring stretches out for the longest, and the side door is opened to the biggest, and the air spring has restricted the rotation of side door. The structure is good in limit, has power assistance, but is high in cost and large in occupied space. The slide formula then contains haplopore fixing base, bracing piece and the three main part of slide fixing base, and bracing piece one end inserts the hole of fixing base all the time, and the other end can slide in the slide, and slide one end has the draw-in groove, and when bracing piece one end slided in the draw-in groove, bracing piece, side door and frame constitute stable triangle-shaped, and the side door can't rotate. However, the limiting structure only has the limitation of the horizontal direction of the slide way, and has no limitation of the vertical direction, so that the limiting structure is easy to limit and lose efficacy when external forces such as vibration are applied.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic side door limiting structure which is simple in structure, low in cost, high in reliability and convenient to operate and can be used for various engineering machinery side doors.
The utility model is realized according to the following technical scheme:
the utility model discloses an automatic side door limiting structure which comprises a fixed seat, a sliding rail, a supporting rod and a limiting plate, wherein the fixed seat is fixedly arranged on the side door; the fixed seat is fixed at the bottom of the door frame; the sliding rail is fixed at the bottom of the side door and is provided with a U-shaped hole channel; one end of the supporting rod is hinged to the fixed seat and can move up and down on the fixed seat, and the other end of the supporting rod is provided with a sheath which can slide in a U-shaped pore channel on the sliding rail; the limiting plate is installed the right side below of slide rail is preset angle with the slide rail, is equipped with U type pore way on the limiting plate, and its width is the same with the U type pore way width on the slide rail, and the U type pore way on the limiting plate and the projection coincidence of the U type pore way on the slide rail in the horizontal plane direction, and when the bracing piece slided rightmost side, the terminal minimum that is less than the U type pore way on the limiting plate in bracing piece left side to this realizes limit function.
The preferable scheme is as follows: the fixed seat is a thin plate with two sides bent by 90 degrees, and a round hole is formed in the middle of the fixed seat; the supporting rod is inserted into the round hole, and the supporting rod is limited in the fixing seat through the limiting component.
The preferable scheme is as follows: the limiting component is a pin and a gasket; the support rod is provided with a pin hole, the gasket is sleeved on the support rod below the fixing seat, the diameter of the gasket is larger than that of a round hole in the fixing seat, and the pin penetrates into the pin hole to limit the gasket.
The preferable scheme is as follows: the support rod comprises a support rod body, a large welding gasket and a small welding gasket; the supporting rod body is a long cylinder with a U-shaped structure, two sides of the long cylinder are bent, the tail end of the right side of the supporting rod body is provided with a pin hole for assembling a pin, and the tail end of the left side of the supporting rod body is hemispherical; the welding large gaskets are welded at two ends of the supporting rod body respectively; the small welding gasket is a circular ring with an inclined surface, the inclined angle of the small welding gasket is the same as the angle of the limiting plate, the surface of the small welding gasket is parallel to the limiting plate, and the small welding gasket is located on the left side of the supporting rod body and welded at the position between the large welding gasket and the tail end of the supporting rod body.
The preferable scheme is as follows: the section of the sheath is a T-shaped section, the side surface of the sheath is provided with an opening, and the sheath is arranged on the support rod through the opening and is in interference fit with the support rod.
The preferable scheme is as follows: the sliding rail is a thin plate piece bent by 90 degrees at one side; the side with shorter bending length is fixed at the bottom of the side door by welding and is as high as the fixed seat; and one side with longer bending length is provided with a U-shaped pore passage, and the diameter of the rightmost side of the U-shaped pore passage is slightly larger than that of the small welding gasket on the supporting rod and slightly smaller than that of the large welding gasket on the supporting rod.
The preferable scheme is as follows: the width of the U-shaped pore channel on the slide rail is slightly larger than the diameter of the lower end of the sheath, and the left end of the support rod is inserted into the U-shaped pore channel of the slide rail and can freely slide along the U-shaped pore channel.
The preferable scheme is as follows: the limiting plate is a rectangular thin plate.
The utility model also discloses engineering machinery which comprises a door frame and a side door, wherein the side door is connected to the door frame through a hinge, and the side door automatic limiting structure is arranged between the door frame and the side door.
The utility model has the beneficial effects that:
according to the utility model, on the basis of three main parts of a fixing seat, a supporting rod and a slide way of an original common limiting mechanism, a limiting plate with a hole is added, when the side door is opened at a maximum angle, one end of the supporting rod falls into the hole of the limiting plate, and the side door cannot be opened or closed continuously, so that the function of automatic limiting is realized; the structure is simple and reliable, the manufacturing cost is low, the space required by installation is small, the installation is very suitable for being installed in the space with compact structure, and the assembly is convenient and fast.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic view of the side door automatic position limiting structure of the present invention;
FIG. 2 is an overall view of the support rod of the present invention;
FIG. 3 is a general view of the slide rail of the present invention;
fig. 4 is an overall schematic view of the sheath of the present invention.
The attached drawings are as follows: the device comprises a fixed seat 1, a supporting rod 2, a supporting rod body 2-1, a welded large gasket 2-2, a welded small gasket 2-3, a sheath 3, an assembly gasket 4, a sliding rail 5, a limiting plate 6, a pin 7, a side door 8, a door frame 9 and a hinge 10.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides an automatic side door limiting structure which is simple in structure, low in cost, high in reliability and convenient to operate and can be used for various engineering machinery side doors.
According to the utility model, a limiting plate with a hole is added on the basis of three main parts, namely a fixing seat, a supporting rod and a slide way of an original common limiting mechanism, when the side door is opened at a maximum angle, one end of the supporting rod falls into the hole of the limiting plate, the side door cannot be opened or closed continuously, and when the side door is closed, the supporting rod is manually taken out of the hole. When the side door is opened to the maximum position, the position of the side door can be automatically fixed by the lock catch, so that the side door is prevented from being closed by other external force to hurt an operator. The specific scheme of the utility model is as follows:
as shown in fig. 1, an automatic side door limiting structure comprises a fixed seat 1, a support rod 2, a sheath 3, an assembly gasket 4, a slide rail 5, a limiting plate 6 and a pin 7; the fixed seat 1 is fixed at the bottom of the door frame 9, the slide rail 5 is fixed at the bottom of the side door 8, and the slide rail 5 is provided with a U-shaped pore channel; one end of the support rod 2 is hinged on the fixed seat 1, the end of the support rod 2 is limited on the fixed seat 1 through a pin 7 and a gasket 4 and can move up and down on the fixed seat 1, the other end of the support rod is provided with a sheath 3, and the sheath 3 can slide in a U-shaped pore channel on the slide rail 5; limiting plate 6 is installed in the right side below of slide rail 5, is preset the angle with slide rail 5, is equipped with U type pore way on the limiting plate 6, and its width is the same with the U type pore way width on the slide rail 5, and the U type pore way on the limiting plate 6 and the projection coincidence of the U type pore way on the slide rail 5 in the horizontal plane direction, and when bracing piece 2 slided rightmost side, 2 left sides of bracing piece end slightly was less than the lowest of the U type pore way on the limiting plate 6 to this realizes limit function.
The following provides a preferred embodiment of the above-mentioned embodiment with respect to the fixing base:
with reference to fig. 1, the fixing base 1 is a thin plate with two sides bent by 90 degrees, and has a circular hole in the middle, the hole diameter of the circular hole is slightly larger than the diameter of the supporting rod body 2-1, so that the supporting rod body can rotate freely. Fixing the fixing seat 1 at the bottom of the door frame, inserting one end of the support rod 2 into a round hole in the fixing seat 1, and fixing the end of the support rod 2 on the fixing seat 1 by using the pin 7 and the gasket 4.
A preferred embodiment of the above embodiment is given below with respect to the support bar:
as shown in fig. 2, the support rod 2 includes a support rod body 2-1, a large welding pad 2-2, and a small welding pad 2-3. The support rod body 2-1 is a long cylinder with a U-shaped structure with two bent sides, the right end of the support rod body is provided with a pin hole for assembling a pin 7, and the left end of the support rod body is hemispherical. Wherein the large welding gaskets 2-2 are respectively welded at two ends of the supporting rod body 2-1. The small welding gasket 2-3 is a circular ring with an inclined surface, the inclined angle of the circular ring is the same as the angle of the limiting plate 6, so that the surface of the small welding gasket 2-3 is parallel to the limiting plate 6, and the small welding gasket 2-3 is positioned on the left side of the supporting rod body 2-1 and welded at the position between the large welding gasket 2-2 and the tail end of the supporting rod body 2-1.
A preferred embodiment of the above embodiment with respect to the sheath is given below:
as shown in fig. 4, the sheath 3 is a nylon sheath with a T-shaped cross section, and has an opening on its side surface, and is installed between the large welding pad 2-2 and the small welding pad 2-3 through the opening, and is in interference fit with the support rod body 2-1.
A preferred embodiment of the above embodiment with respect to the slide rail is given below:
as shown in fig. 3, the slide rail 5 is a thin plate member bent 90 degrees at one side, the side with the shorter bending length is fixed at the bottom of the side door by welding, and is equal to the fixed seat 1 in height, a U-shaped hole channel is formed at the side with the longer bending length, and the diameter of the rightmost side of the U-shaped hole channel is slightly larger than that of the small welding gasket 2-3 and slightly smaller than that of the large welding gasket 2-2. The width of the U-shaped pore channel is slightly larger than the diameter of the lower end of the sheath 3, and the left end of the support rod body 2-1 is inserted into the U-shaped pore channel of the slide rail 5 and can freely slide along the slide rail 5.
A preferred embodiment of the above embodiment with respect to the limiting plate is given below:
referring to fig. 1, the limiting plate 6 is a rectangular thin plate with a U-shaped hole, and the width of the U-shaped hole is the same as the width of the U-shaped hole on the sliding rail 5. The limiting plate 6 is arranged at the right lower part of the sliding rail 5 and forms a certain angle with the sliding rail 5, and the U-shaped pore passage on the limiting plate 6 is superposed with the projection of the U-shaped pore passage of the sliding rail in the horizontal plane direction. The mounting height of the limiting plate 6 is such that when the supporting rod 2 slides to the rightmost side, the tail end of the left side of the supporting rod body 2-1 is slightly lower than the lowest position of the U-shaped pore channel on the limiting plate 6, the limiting function is realized, and the welded small gasket 2-3 is lower than the highest position of the limiting plate 6.
In conclusion, the limiting plate with the holes is added on the basis of the three main parts of the original common limiting mechanism fixing seat, the supporting rod and the slide way, when the side door is opened at the maximum angle, one end of the supporting rod falls into the hole of the limiting plate, and the side door cannot be opened or closed continuously, so that the function of automatic limiting is realized; the structure is simple and reliable, the manufacturing cost is low, the space required by installation is small, the installation is very suitable for being installed in the space with compact structure, and the assembly is convenient and fast.
The utility model also provides engineering machinery which comprises a door frame 9 and a side door 8, wherein the side door 8 is connected to the door frame 9 through a hinge 10, and the side door automatic limiting structure is arranged between the door frame 9 and the side door 8.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides an automatic limit structure of side door which characterized in that includes:
the fixed seat is fixed at the bottom of the door frame;
the sliding rail is fixed at the bottom of the side door and is provided with a U-shaped hole channel;
one end of the supporting rod is hinged to the fixed seat and can move up and down on the fixed seat, and the other end of the supporting rod is provided with a sheath which can slide in the U-shaped pore channel on the sliding rail;
the limiting plate is installed below the right side of the sliding rail and forms a preset angle with the sliding rail, a U-shaped hole channel is arranged on the limiting plate, the width of the limiting plate is the same as the width of the U-shaped hole channel on the sliding rail, the U-shaped hole channel on the limiting plate and the projection of the U-shaped hole channel on the sliding rail in the horizontal plane direction coincide, and when the supporting rod slides to the rightmost side, the tail end of the left side of the supporting rod is slightly lower than the lowest position of the U-shaped hole channel on the limiting plate, so that the limiting function is achieved.
2. The side door automatic limit structure of claim 1, characterized in that:
the fixed seat is a thin plate with two sides bent by 90 degrees, and a round hole is formed in the middle of the fixed seat;
the supporting rod is inserted into the round hole, and the supporting rod is limited in the fixing seat through the limiting component.
3. The side door automatic limit structure of claim 2, characterized in that:
the limiting component is a pin and a gasket;
the support rod is provided with a pin hole, the gasket is sleeved on the support rod below the fixing seat, the diameter of the gasket is larger than that of a round hole in the fixing seat, and the pin penetrates into the pin hole to limit the gasket.
4. The side door automatic limit structure of claim 1, characterized in that:
the support rod comprises a support rod body, a large welding gasket and a small welding gasket;
the supporting rod body is a long cylinder with a U-shaped structure, two sides of the long cylinder are bent, the tail end of the right side of the supporting rod body is provided with a pin hole for assembling a pin, and the tail end of the left side of the supporting rod body is hemispherical;
the welding large gaskets are welded at two ends of the supporting rod body respectively;
the small welding gasket is a circular ring with an inclined surface, the inclined angle of the small welding gasket is the same as the angle of the limiting plate, the surface of the small welding gasket is parallel to the limiting plate, and the small welding gasket is located on the left side of the supporting rod body and welded at the position between the large welding gasket and the tail end of the supporting rod body.
5. The side door automatic limit structure of claim 1, characterized in that:
the section of the sheath is a T-shaped section, the side surface of the sheath is provided with an opening, and the sheath is arranged on the support rod through the opening and is in interference fit with the support rod.
6. The side door automatic limit structure of claim 1, characterized in that:
the sliding rail is a thin plate piece bent by 90 degrees at one side;
the side with shorter bending length is fixed at the bottom of the side door by welding and is as high as the fixed seat;
and one side with longer bending length is provided with a U-shaped pore passage, and the diameter of the rightmost side of the U-shaped pore passage is slightly larger than that of the small welding gasket on the supporting rod and slightly smaller than that of the large welding gasket on the supporting rod.
7. The side door automatic limit structure of claim 1, characterized in that:
the width of the U-shaped pore channel on the slide rail is slightly larger than the diameter of the lower end of the sheath, and the left end of the support rod is inserted into the U-shaped pore channel of the slide rail and can freely slide along the U-shaped pore channel.
8. The side door automatic limit structure of claim 1, characterized in that:
the limiting plate is a rectangular thin plate.
9. The utility model provides an engineering machine tool, includes door frame and side door, the side door passes through hinged joint on the door frame, its characterized in that:
the side door automatic limiting structure of any one of claims 1 to 8 is installed between the door frame and the side door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964445.XU CN216476825U (en) | 2021-11-30 | 2021-11-30 | Side door automatic limiting structure and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964445.XU CN216476825U (en) | 2021-11-30 | 2021-11-30 | Side door automatic limiting structure and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216476825U true CN216476825U (en) | 2022-05-10 |
Family
ID=81401258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122964445.XU Active CN216476825U (en) | 2021-11-30 | 2021-11-30 | Side door automatic limiting structure and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216476825U (en) |
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2021
- 2021-11-30 CN CN202122964445.XU patent/CN216476825U/en active Active
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