CN213892693U - Cab for construction machinery - Google Patents
Cab for construction machinery Download PDFInfo
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- CN213892693U CN213892693U CN202022538627.6U CN202022538627U CN213892693U CN 213892693 U CN213892693 U CN 213892693U CN 202022538627 U CN202022538627 U CN 202022538627U CN 213892693 U CN213892693 U CN 213892693U
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Abstract
The utility model relates to a cab for engineering machinery, which aims to solve the problem of poor sealing performance of the cab for the existing engineering machinery, the utility model constructs a cab for engineering machinery, which comprises a cab body, wherein the front side of the cab is provided with a front window frame, and the side of the cab is provided with a door frame; the lower part in the front window frame is provided with a front lower windshield protective window, the upper part is provided with a front upper windshield protective window, the bottom edge of the front upper windshield protective window is contacted with the front lower windshield protective window when the front upper windshield protective window is closed, front window sealing strips are arranged between the front upper windshield protective window, the front lower windshield protective window and the front window frame, a side door is arranged in the door frame, the door edge of the side door is provided with a door edge sealing strip, and the upper part of the side door is provided with a sliding window; the front window sealing strip is internally provided with a core rod which is positioned at the adjacent position of the front upper windshield protective window and the front lower windshield protective window. The utility model discloses in, through adding the plug in the preceding protective window joint strip, the sealed effect of the preceding windward shield protective window of driver's cabin and preceding leeward shield protective window junction has been improved.
Description
Technical Field
The utility model relates to a driver's cabin, more specifically say, relate to a driver's cabin for engineering machine tool.
Background
The engineering machinery products mostly work in places with severe working conditions and environments, and along with the promotion of national modernization construction, users put forward higher requirements on the engineering machinery products, especially higher requirements on the comfort of a cab. Because the pressurizing effect of the cab is influenced by deviation or damage in the processes of design, production, assembly and the like, the conditions of large dust inlet noise and the like of the cab when the cab of the engineering machinery product is used are caused, and the user experience is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the poor problem of current engineering machine tool driver's cabin leakproofness, and provides a driver's cabin for engineering machine tool, can improve the sealing performance of driver's cabin.
The utility model discloses a realize that the technical scheme of its purpose is like: the cab for the engineering machinery comprises a cab body, wherein a front window frame is arranged on the front side of the cab body, and a door frame is arranged on the side of the cab body; the lower part in the front window frame is provided with a front lower windshield protection window, the upper part is provided with a front upper windshield protection window, the bottom edge of the front upper windshield protection window is contacted with the front lower windshield protection window when the front upper windshield protection window is closed, front window sealing strips are arranged between the front upper windshield protection window, the front lower windshield protection window and the front window frame, a side door is arranged in the door frame, door edge sealing strips are arranged on the door edges of the side doors, and a sliding window is arranged at the upper part of the side door; the front window sealing strip is characterized in that a core rod is arranged in the front window sealing strip, and the core rod is positioned at the joint of the front upper windshield protective window and the front lower windshield protective window. The utility model discloses in, preceding windscreen protection window is the movable part that can open, and the preceding window sealing strip sets up the plug with preceding windscreen department of bordering on when preceding windscreen protection window is closed, helps the preceding sealing in this department when windscreen protection window is closed.
In the cab for the engineering machinery, the front window sealing strip is provided with a U-shaped installation part and a tubular elastic sealing contact part of an integral connection structure with the installation part, the core rod is arranged in a cavity of the tubular elastic sealing contact part, and further, the tubular elastic sealing contact part is in a circular tube shape or the bottom of the cross section profile of the tubular elastic sealing contact part is in a semicircular shape.
In the above-mentioned driver's cabin for engineering machine tool, the crossbeam of door frame has the strengthening rib with the junction welding of stand, when the side door is closed the door limit sealing strip with the lateral surface contact of strengthening rib, furtherly, the lateral surface of strengthening rib flushes with the door limit sealing strip contact surface of this strengthening rib position department on crossbeam and the stand. After the side door is closed, the door edge sealing strip on the side door is in contact with the reinforcing rib at the corner of the door frame, so that the sealing performance of the closed side door of the side door is improved.
In the cab for the engineering machinery, the wool tops are arranged between the inner side glass and the outer side glass of the sliding window in an up-and-down moving mode, the two ends of the wool tops extend to the top and the bottom of the glass respectively, one side of the wool tops is fixedly connected with one of the inner side glass and the outer side glass, and the other side of the wool tops is in contact with the other glass in a fitting mode.
In the cab for the engineering machinery, the lateral side of the transverse direction of the wool strip is provided with a concave structure which is concave towards the middle direction of the wool strip. The concave structure can enable the wool strips to be better attached to the glass surface at the position.
In the cab for the engineering machinery, a groove extending along the length direction of the wool strip is arranged on the surface, which is attached to and in contact with the glass and slides, of the wool strip. Further, the grooves are more than two and are arranged in parallel. The arrangement of the groove enables the wool strips to slide smoothly with the glass surface.
Compared with the prior art, the utility model, have following advantage:
by adding the core rod in the sealing rubber strip of the front protection window, the sealing effect of the joint of the front upper windshield protection window and the front lower windshield protection window of the cab is improved.
The hairbrush at the joint of the sliding window glass is changed into a wool strip, so that the sealing performance of the sliding window of the cab is improved.
Increase the triangle muscle in driver's cabin body and driver's cabin door adhesive tape cooperation bad department, increase door frame and driver's cabin door adhesive tape compress tightly the area, improve the driver's cabin leakproofness.
Drawings
Fig. 1 is a schematic structural view of the cab for construction machinery of the present invention.
Fig. 2 is a schematic structural view of the sealing strip for the front window in the cab for the construction machine of the present invention.
Fig. 3 is a cross-sectional view of the sealing strip for a center front window of the present invention.
Fig. 4 is a longitudinal partial sectional view of the center front window weather strip of the present invention.
Fig. 5 is a partial sectional view of a front window of a cab for construction equipment according to the present invention.
Fig. 6 is the structure schematic diagram of the sliding window of the side door of the cab for engineering machinery.
Fig. 7 is the matching schematic diagram of the inner and outer side glass and the wool strip of the middle sliding window of the utility model.
Fig. 8 is a schematic structural diagram of the middle wool strip of the present invention.
Fig. 9 is a schematic structural view of the cab body according to the present invention.
Fig. 10 is a schematic structural view of the middle reinforcement rib of the present invention.
Fig. 11 is a schematic view of the fit between the middle reinforcement rib and the door edge sealing strip of the present invention.
Part names and serial numbers in the figure:
the cab structure comprises a cab body 1, a reinforcing rib 11, a door edge sealing strip 12, a front lower windshield protective window 2, a lower windshield 21, a front window sealing strip 3, an installation part 31, a groove-shaped elastic sealing contact part 32, a core rod 33, an upper window and lower window adjacent part 34, a front upper windshield protective window 4, an upper windshield 41, a sliding window 5 and a side door 6; a window frame 51, an inner glass 52, a wool top 53 and an outer glass 54.
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
Fig. 1 shows a work machine cab that may be used on an excavator. The cab comprises a cab body 1, wherein a front window frame is arranged on the front side of the cab body 1, and a door frame is arranged on the side surface of the cab body. The lower part in the preceding window frame is installed preceding leeward fender protection window 2, and preceding windward fender protection window 4 is installed on upper portion, and its base contacts with preceding leeward fender protection window 2 when preceding windward fender protection window 4 is closed, is provided with front window sealing strip 3 between preceding windward fender protection window 4 and preceding leeward fender protection window 2 and the preceding window frame, installs side door 6 in the door frame, installs door limit sealing strip 12 on the door limit of side door 6, and the upper portion of side door 6 is provided with austral window, sliding sash 5.
As shown in fig. 2 to 5, the front window weather strip 3 has a core rod therein, and the core rod 33 is located at the upper and lower window abutting portions 34, that is, at the abutting portions of the front upper windshield protection window 4 and the front lower windshield protection window 2. The front window weather strip 3 is provided with a U-shaped mounting part 31 and a groove-shaped elastic sealing contact part 32 which is integrated with the mounting part 31 into a whole, the groove-shaped elastic sealing contact part 32 is connected with the mounting part 31 at the opening thereof to form a tubular structure, a core rod 33 is arranged in the cavity of the groove-shaped elastic sealing contact part 32, and the bottom of the cross section contour of the groove-shaped elastic sealing contact part 32 is semicircular. The core rod 33 is provided only partially in the front window weather strip, which is located at the abutment of the front upper windshield 4 and the front lower windshield 2, and the upper and lower ends of which extend upward and downward, respectively, so that the core rod 33 partially overlaps both the lower windshield 21 and the upper windshield 41.
The outer sides of the front upper windshield protection window 4 and the front lower windshield protection window 2 are sealed with the front window frame through a front window sealing strip 3, wherein the front lower windshield protection window 2 is usually fixed in the front window frame, the front upper windshield protection window 4 can be movably opened, and the front upper windshield protection window 4 can slide up and down along a track to be opened or closed.
Although the front window sealing strip 3 is arranged at the adjacent position of the front upper windshield protection window 4 and the front lower windshield protection window 2 for sealing, the contact matching position is staggered when the upper position and the lower position are not on the same plane due to the fact that the sealing position of the front window sealing strip 3 is made of hollow materials, gaps exist, and the sealing rubber strips are not pressed tightly. The rubber core rod is additionally arranged in the front window sealing strip 3, the front window sealing strip 3 can be compressed, the front window sealing strip 3 is positioned on the same plane at the adjacent position of the front upper windshield protection window 4 and the front lower windshield protection window 2, and the position sealing performance is improved when the front upper windshield protection window 4 is closed. By adding the core rod in the sealing rubber strip of the front protection window, the sealing effect of the joint of the front upper windshield protection window 4 and the front lower windshield protection window of the cab is improved.
As shown in fig. 6, the sliding window 5 mainly includes a window frame 51, an inner glass 52, and an outer glass 54, the inner glass 52 and the outer glass 54 are positioned in two parallel glass pushing grooves on the window frame 51, and a gap is provided between the inner glass 52 and the outer glass 54. As shown in fig. 7, a wool strip 53 is installed between the inner glass 52 and the outer glass 54, the wool strip 53 is arranged in a vertical direction, two ends of the wool strip 53 extend to the top and the bottom of the inner glass and the outer glass respectively, the inner side surface of the wool strip 53 is fixedly connected with the inner glass 52 through an adhesive, and the outer side surface of the wool strip 53 is in contact with the outer glass 54, can be tightly attached to the outer glass and can slide relative to the outer glass along with the inner glass. As shown in fig. 8, the lateral side of the wool top 53 in the transverse direction is provided with a concave structure 531 which is concave towards the middle direction of the wool top, and the concave structure 531 can make the wool top 53 better fit with the glass surface at the position. The outer side surface of the wool 53 is provided with a groove 532 extending along the length direction of the wool 53. The grooves 532 are more than two and are arranged in parallel. The provision of the grooves 532 allows for smoother sliding between the wool strip 53 and the outer glass surface. The wool strips 53 are arranged between the inner glass and the outer glass, so that the gap between the two glasses can be sealed, and the sealing performance of the sliding window of the cab is improved.
As shown in fig. 9, a reinforcing rib 11 is welded at the joint of the cross beam and the upright post of the door frame of the cab body, the reinforcing rib 11 is a triangular rib, the vertical edge 111 is welded to the upright post, and the horizontal edge 112 is welded to the cross beam. The lateral surface of strengthening rib 11 flushes at the door limit sealing strip contact surface of this strengthening rib position department on crossbeam and the stand, and the back is closed to the side door, and door limit sealing strip 12 sets up the lateral surface contact of position department and strengthening rib at the strengthening rib, and at other positions then with the door limit sealing strip contact surface on the door frame (crossbeam and stand promptly), increase door frame and driver's cabin door adhesive tape and compress tightly the area, improve the driver's cabin leakproofness.
Claims (9)
1. A cab for engineering machinery comprises a cab body, wherein a front window frame is arranged on the front side of the cab body, and a door frame is arranged on the side surface of the cab body; the lower part in the front window frame is provided with a front lower windshield protection window, the upper part is provided with a front upper windshield protection window, the bottom edge of the front upper windshield protection window is contacted with the front lower windshield protection window when the front upper windshield protection window is closed, front window sealing strips are arranged between the front upper windshield protection window, the front lower windshield protection window and the front window frame, a side door is arranged in the door frame, door edge sealing strips are arranged on the door edges of the side doors, and a sliding window is arranged at the upper part of the side door; the front window sealing strip is characterized in that a core rod is arranged in the front window sealing strip, and the core rod is positioned at the joint of the front upper windshield protective window and the front lower windshield protective window.
2. The cab for construction machinery according to claim 1, wherein the front window weather strip has a U-shaped mounting portion and a tubular elastic seal contact portion of an integral connection structure with the mounting portion, and the plug is disposed in a cavity of the tubular elastic seal contact portion.
3. The cab for construction machinery according to claim 2, wherein the tubular elastic sealing contact portion is in a shape of a circular tube or a bottom portion of a cross-sectional profile of the tubular elastic sealing contact portion is in a semicircular shape.
4. The cab for construction machinery according to any one of claims 1 to 3, wherein a reinforcing rib is welded to a joint between a cross beam of the door frame and the upright post, and the door edge sealing strip is in contact with an outer side surface of the reinforcing rib when the side door is closed.
5. The cab for construction machinery according to claim 4, wherein the outer side surface of the reinforcing rib is flush with the contact surface of the door edge weather strip at the position of the reinforcing rib on the cross member and the pillar.
6. The cab for the engineering machinery as claimed in claim 1, wherein a wool strip is installed between the inner glass and the outer glass of the sliding window, the wool strip is arranged in an up-and-down direction, two ends of the wool strip extend to the top and the bottom of the glass respectively, one surface of the wool strip is fixedly connected with one of the inner glass and the outer glass, and the other surface of the wool strip is in contact with the other glass in a fitting manner.
7. The cab for construction machinery according to claim 6, wherein a concave structure that is concave toward a middle direction of the wool top is provided on a lateral side of the wool top in a lateral direction.
8. The cab for construction machinery according to claim 6 or 7, wherein a surface of the rib, which slides in contact with the glass, is provided with a groove extending in a longitudinal direction of the rib.
9. The cab for construction machinery according to claim 8, wherein the number of the grooves is two or more and the grooves are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022538627.6U CN213892693U (en) | 2020-11-06 | 2020-11-06 | Cab for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022538627.6U CN213892693U (en) | 2020-11-06 | 2020-11-06 | Cab for construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213892693U true CN213892693U (en) | 2021-08-06 |
Family
ID=77118419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022538627.6U Active CN213892693U (en) | 2020-11-06 | 2020-11-06 | Cab for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213892693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636501A (en) * | 2021-08-12 | 2021-11-12 | 合肥硕源工程机械配件有限公司 | Combined forklift cab |
-
2020
- 2020-11-06 CN CN202022538627.6U patent/CN213892693U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636501A (en) * | 2021-08-12 | 2021-11-12 | 合肥硕源工程机械配件有限公司 | Combined forklift cab |
| CN113636501B (en) * | 2021-08-12 | 2022-12-06 | 合肥硕源工程机械配件有限公司 | Combined forklift cab |
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