CN215483239U - Rotatable adjusting and pressing device for doors and windows of cab and engineering machinery - Google Patents
Rotatable adjusting and pressing device for doors and windows of cab and engineering machinery Download PDFInfo
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- CN215483239U CN215483239U CN202121941360.3U CN202121941360U CN215483239U CN 215483239 U CN215483239 U CN 215483239U CN 202121941360 U CN202121941360 U CN 202121941360U CN 215483239 U CN215483239 U CN 215483239U
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- cab
- arm support
- pressing
- pressing device
- door
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Abstract
The utility model discloses a rotatable adjusting and pressing device for a cab door and window and an engineering machine, which comprise a base, an arm support and a pressing part, wherein the arm support is arranged on the base; the base is fixedly arranged on the cab profile; one end of the arm support is hinged to the base and can rotate on the base; the pressing component is arranged at the other end of the arm support and can do linear motion on the arm support, so that the window frame of the cab can be pressed or separated. The utility model can play a role in compressing openable doors and windows of the cab, reduce frequent opening and closing of the openable doors and windows caused by vibration, improve the sealing property of the cab and reduce the failure rate of door and window locks.
Description
Technical Field
The utility model relates to a rotatable adjusting and pressing device for a cab door and window, and belongs to the field of engineering machinery.
Background
The openable front window and the openable top window of the cab are restrained by the lock in a normal locking state, but a gap is reserved between the bolt and the striker, and the bolt cannot be completely locked under the vibration condition, so that the top of the front window and the front part of the top window are frequently opened and closed under the vibration condition, the dynamic sealing property of the cab is poor, and a large amount of external dust enters the cab. In addition, the frequent opening and closing of the front window and the top window can also cause the failure rate of the lockset to be increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotatable adjusting and pressing device for a cab door and window, which has the characteristics of simple structure, low cost, high reliability and wide application range. The extension length of a rubber pressure head at the front end of the screw rod can be adjusted through manually adjusting the star wheel, the openable front window or the openable top window is compressed, the screw rod is locked by rotating the nut after the screw rod is compressed in place, and frequent opening and closing of the door and the window caused by vibration are avoided. When the door and window needs to be opened, the pressing device can be rotatably adjusted to other positions, and the normal opening of the door and window is not influenced.
The utility model is realized according to the following technical scheme:
the utility model discloses a rotatable adjusting and pressing device for a cab door and window, which comprises a base, an arm support and a pressing part, wherein the arm support is arranged on the base; the base is fixedly arranged on the cab profile; one end of the arm support is hinged to the base and can rotate on the base; the pressing component is arranged at the other end of the arm support and can do linear motion on the arm support, so that the window frame of the cab can be pressed or separated.
The specific scheme is as follows: the base comprises a threaded seat and a bolt; the center of the threaded seat is provided with a threaded through hole, and the bottom surface of the threaded seat is welded with the cab profile; and one end of the arm support is provided with a unthreaded hole, and the bolt penetrates through the unthreaded hole and is fixed in the threaded through hole of the threaded seat.
The preferable scheme is as follows: a gap is reserved between the protruding head of the bolt and the arm support, so that the arm support can rotate 360 degrees around the bolt.
The specific scheme is as follows: the pressing part comprises a pressing rod; the pressure lever is connected with the arm support in a threaded mode, and the pressure lever rotates along the arm support to move up and down.
The preferable scheme is as follows: the pressure lever comprises a screw rod, a check ring and a pressure head; the screw rod is matched with the threaded through hole at the other end of the arm support, the bottom of the screw rod is connected with the check ring in a welding mode, and the screw rod and the check ring welding piece are connected with the pressure head into a whole.
As an optimization scheme of the utility model: the pressure head is made of rubber and is connected with the check ring and the screw rod through a vulcanization process into a whole.
As an optimization scheme of the utility model: the pressing part also comprises a handle which is arranged at the top end of the pressing rod and used for rotating the pressing plate.
The preferable scheme is as follows: the handle is a star wheel, a quadrilateral blind hole is formed in the center of the star wheel, and the section size and the depth of the quadrilateral blind hole are matched with the size of a quadrilateral structure at the head of the pressing rod.
As an optimization scheme of the utility model: the pressing part also comprises a nut which moves up and down along the screw rod in the pressing rod, and the nut, the threaded through hole end of the arm support and the screw rod in the pressing rod are locked in three parts, so that the loosening of the threads between the pressing rod and the arm support can be prevented.
The utility model also discloses engineering machinery which comprises a cab, wherein the cab door and window rotatable adjusting and pressing device is arranged on the cab.
The utility model has the beneficial effects that:
(1) the rotatable adjusting and pressing device for the doors and windows of the cab can ensure that the openable doors and windows of the cab can be prevented from being opened and closed frequently under the vibration condition, and external dust is prevented from entering the cab;
(2) the rotatable adjusting and pressing device for the doors and windows of the cab reduces frequent impact of the lock tongue and the impact bolt of the door and window lock in a vibration state, and greatly reduces the failure rate of the lock;
(3) the utility model has simple and reliable structure, low manufacturing cost and small installation space, is very suitable for installation in a space with compact structure, and is convenient and rapid to assemble.
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 cross-sectional view of a cab door window rotatably adjustable compression device of the present invention;
FIG. 2 is an exploded view of the cab door window rotatably adjustable compression device of the present invention;
FIG. 3 is a front view of the cab door window rotatably adjustable compression device of the present invention in a compressed state;
FIG. 4 is a top view of the rotatable adjustment pressing device of the cab door window of the present invention in a pressing state;
fig. 5 is a schematic diagram of the separated state of the rotatable adjusting and pressing device for the cab door window of the utility model.
The attached drawings are as follows: 1 threaded seat, 2 bolts, 3 arm supports, 4 star wheels, 5 nuts, 6 compression rods, 6-1 screw rods, 6-2 check rings, 6-3 pressure heads and 10-pressing devices.
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.
As shown in fig. 1, 2, 3, 4, and 5, a rotatable adjusting and pressing device 10 for a cab door and window mainly includes a threaded seat 1, a bolt 2, an arm support 3, a star wheel 4, a nut 5, and a pressing rod 6. The pressing device 10 can adjust the extension length of a pressing head at the front end of the pressing rod 6 through the manual adjusting star wheel 4, press the openable front window or the openable top window, and reduce frequent opening and closing of the door and window caused by vibration. When the door and window needs to be opened, the pressing device 10 can be rotatably adjusted to other positions, and the normal opening of the door and window is not influenced.
The threaded seat is further described below:
with continued reference to fig. 1 and 2, the screw seat 1 serves as a base and a hinge point of the pressing device 10, a screw through hole is formed in the center of the screw seat, the bottom of the screw seat 1 is welded to a cab profile, the upper portion of the screw seat 1 is connected with the arm support 3 through a bolt 2, and the arm support 3 can rotate 360 degrees relative to the screw seat 1. The diameter of the threaded hole of the threaded seat 1 is equal to that of the bolt 2.
The bolt is further described below:
continuing to refer to fig. 1 and 2, the bolt 2 is a standard component, and mainly plays a role of connecting the threaded seat 1 and the arm support 3, and also plays a role of a pin shaft, and the bolt 2 cannot press the arm support 3 on the threaded seat 1, so that the arm support 3 can rotate 360 degrees around the bolt 2.
The arm support is further described as follows:
continuing to refer to fig. 1 and 2, the arm support 3 is used as a rotating arm of the pressing device 10 and can drive the star wheel 4, the nut 5 and the press rod 6 to rotate 360 degrees around the bolt 2, two ends of the arm support 3 are respectively provided with an unthreaded hole and a threaded through hole, the unthreaded hole end of the arm support 3 is connected with the threaded seat 1 and the bolt 2 to play a hinge point role, the threaded through hole end of the arm support 3 is connected with the star wheel 4, the nut 5 and the press rod 6, the press rod 6 can move up and down along the threaded through hole of the arm support 3, and the upper plane of the nut 5 is pressed against the lower end of the threaded through hole of the arm support 3 to play a locking role.
The star wheel is further described below:
with continued reference to fig. 1 and 2, the star wheel 4 functions as a handle, is made of nonmetal, is formed by an injection molding process, is internally provided with a quadrangular blind hole, and has the cross section size and the depth matched with the size of a quadrangular structure at the head of the pressure lever 6.
It should be noted that the star wheel 4 may be replaced by a handle of another material or shape.
The nut is further described below:
with continued reference to fig. 1 and 2, the nut 5 is a standard component, and moves up and down along the thread of the pressure lever 6, and the nut 5, the threaded through hole end of the arm support 3 and the screw 6-1 in the pressure lever 6 are locked together to prevent the thread between the pressure lever 6 and the arm support 3 from loosening.
The compression bar is further described below:
with continued reference to fig. 1 and 2, the pressure lever 6 is composed of a screw 6-1, a retainer ring 6-2 and a pressure head 6-3, and the pressure lever 6 can move linearly along the threaded through hole of the arm support 3 to press or separate the window frame of the cab.
The screw 6-1 drives the retainer ring 6-2 and the pressure head 6-3 to move linearly along the threaded through hole of the arm support 3, the screw is formed by modifying a bolt standard part, the threaded end cylinder is modified into a cuboid, the section and the height of the cuboid are matched with the size of the internal quadrilateral structure of the star wheel 4, and the diagonal length of the quadrilateral section of the cuboid is smaller than the diameter of the thread before modification. The other hexagonal end of the screw 6-1 is connected with the retainer ring 6-2 in a welding way, and the screw 6-1 and the retainer ring 6-2 are connected into a whole with the pressure head 6-3 through a vulcanization process.
The retainer ring 6-2 is welded with the screw 6-1 and then connected with the pressure head 6-3 into a whole through a vulcanization process, and the function of increasing the contact area is mainly achieved.
The pressure head 6-3 is made of rubber, is molded with a welding piece of the retainer ring 6-2 and the screw 6-1 by a unified vulcanization process, and can press a window frame of a cab in work to play a role in protecting a paint surface.
Therefore, the compression rod can realize linear motion relative to the arm support through threaded connection, so that compression and separation of a compression rod pressure head on a door and a window of a cab are realized; the arm support can rotate 360 degrees around the hinge joint of the threaded seat, so that the compression range of the compression rod pressure head is wide, and the separation can be realized through the rotation angle; the star wheel handle can realize the pressing and separating operation of the manual adjusting pressure rod without using tools; the pressure head is made of a rubber soft material, so that the paint surface of the door and window frame is protected from being damaged; simple and reliable structure, low manufacturing cost and small installation space.
The utility model also discloses engineering machinery which comprises a cab, wherein the cab door and window rotatable adjusting and pressing device is arranged on the cab.
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 (10)
1. A rotatable adjusting and pressing device for a cab door window is characterized by comprising:
the base is fixedly arranged on the cab profile;
one end of the arm support is hinged to the base and can rotate on the base;
and the pressing component is arranged at the other end of the arm support and can do linear motion on the arm support to press or separate the cab window frame.
2. The door and window rotatably adjustable pressing device of a cab as claimed in claim 1, wherein:
the base comprises a threaded seat and a bolt;
the center of the threaded seat is provided with a threaded through hole, and the bottom surface of the threaded seat is welded with the cab profile;
and one end of the arm support is provided with a unthreaded hole, and the bolt penetrates through the unthreaded hole and is fixed in the threaded through hole of the threaded seat.
3. The door and window rotatably adjustable pressing device of a cab as claimed in claim 2, wherein:
a gap is reserved between the protruding head of the bolt and the arm support, so that the arm support can rotate 360 degrees around the bolt.
4. The door and window rotatably adjustable pressing device of a cab as claimed in claim 1, wherein:
the pressing part comprises a pressing rod;
the pressure lever is connected with the arm support in a threaded mode, and the pressure lever rotates along the arm support to move up and down.
5. The door window rotatably adjustable pressing device of a cab according to claim 4, wherein:
the pressure lever comprises a screw rod, a check ring and a pressure head;
the screw rod is matched with the threaded through hole at the other end of the arm support, the bottom of the screw rod is connected with the check ring in a welding mode, and the screw rod and the check ring welding piece are connected with the pressure head into a whole.
6. The door window rotatably adjustable pressing device of a cab according to claim 5, wherein:
the pressure head is made of rubber and is connected with the check ring and the screw rod through a vulcanization process into a whole.
7. The door window rotatably adjustable pressing device of a cab according to claim 4, wherein:
the pressing part also comprises a handle which is arranged at the top end of the pressing rod and used for rotating the pressing plate.
8. The door window rotatably adjustable pressing device of a cab according to claim 7, wherein:
the handle is a star wheel, a quadrilateral blind hole is formed in the center of the star wheel, and the section size and the depth of the quadrilateral blind hole are matched with the size of a quadrilateral structure at the head of the pressing rod.
9. The door window rotatably adjustable pressing device of a cab according to claim 4, wherein:
the pressing part also comprises a nut which moves up and down along the screw rod in the pressing rod, and the nut, the threaded through hole end of the arm support and the screw rod in the pressing rod are locked in three parts, so that the loosening of the threads between the pressing rod and the arm support can be prevented.
10. A construction machine comprising a cab, characterized in that:
the cab door and window rotatable adjusting and pressing device of any one of claims 1 to 9 is mounted on the cab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121941360.3U CN215483239U (en) | 2021-08-18 | 2021-08-18 | Rotatable adjusting and pressing device for doors and windows of cab and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121941360.3U CN215483239U (en) | 2021-08-18 | 2021-08-18 | Rotatable adjusting and pressing device for doors and windows of cab and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215483239U true CN215483239U (en) | 2022-01-11 |
Family
ID=79762872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121941360.3U Active CN215483239U (en) | 2021-08-18 | 2021-08-18 | Rotatable adjusting and pressing device for doors and windows of cab and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215483239U (en) |
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2021
- 2021-08-18 CN CN202121941360.3U patent/CN215483239U/en active Active
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