Passenger car air curtain machine mounting structure and passenger car

Abstract

The utility model relates to the technical field of passenger cars, in particular to a passenger car air curtain machine installation structure and a passenger car, and the passenger car air curtain machine installation structure comprises an air curtain machine module, an air curtain machine fixing frame assembly and a passenger car framework. The air curtain machine fixing frame assembly is provided with a top cover fixing part used for being fixed to a top cover framework of the passenger car framework and a side wall fixing part used for being fixed to a side wall framework of the passenger car framework. The top cover fixing part is fixed to a top cover framework of the passenger car framework, the side wall fixing part is fixed to a side wall framework of the passenger car framework, the air curtain machine fixing frame assembly is matched with the top cover framework and the side wall framework to form a triangular supporting structure for the air curtain machine module, the structural strength is high, and it is guaranteed that the air curtain machine module is stably fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of passenger cars, in particular to an installation structure of a passenger car air curtain machine and a passenger car. Background Art

[0002] When a bus stops to wait for people, the stop time is long and the passenger door is kept open during the stop to facilitate boarding. In order to maintain the temperature inside the bus, an air curtain machine is currently used to form an air curtain at the passenger door to isolate the inside and outside. The existing installation structure of the air curtain machine on the bus is disclosed in the Chinese utility model patent with the authorization announcement number CN218367322U. The installation structure of the bus air curtain machine includes a bus frame, a decorative cover, an air duct plate, a body inner cover, an air curtain machine and a fixing bracket. An air duct is formed between the air duct plate, the decorative cover and the bus frame. The body inner cover is located in the air duct. The air curtain machine is installed in the body inner cover. The fixing bracket is installed between the bus frame and the body inner cover, and the body inner cover and the air curtain machine can be fixed. The fixing bracket includes a fixing bracket and a connecting bracket. The fixing bracket is connected to both sides of the body inner cover by screws. The top of the connecting bracket is welded to the bus frame. The fixing bracket is connected to the fixing bracket by screws and nuts. A first vent is provided on the decorative cover at a position matching the air inlet of the air curtain, which is used to provide air intake for the air curtain. A second vent is provided on the decorative cover at a position matching the air outlet of the air curtain. The air curtain inhales air in the compartment through the first vent, and then discharges air vertically downward through the second vent, forming an effective air curtain barrier when the bus door is opened. The fixing bracket constitutes the air curtain fixing bracket assembly, and the body cover and the air curtain installed together constitute the air curtain module.

[0003] The above-mentioned passenger car air curtain installation structure has an air curtain fixing frame assembly fixed on the top cover frame of the passenger car frame, and the air curtain fixing frame assembly as a whole is a downwardly cantilevered structure, and the air curtain module is fixed on the lower part of the air curtain fixing frame assembly, which is not conducive to the stable fixation of the air curtain module. Utility Model Content

[0004] The purpose of the utility model is to provide a passenger car air curtain installation structure to solve the problem that the air curtain machine fixing frame assembly of the current passenger car air curtain installation structure makes the air curtain machine module fixed not stable enough; the purpose of the utility model is also to provide a passenger car to solve the above problem.

[0005] The technical solution of the passenger car air curtain installation structure of the utility model is:

[0006] A passenger car air curtain installation structure comprises an air curtain module, an air curtain fixing frame assembly and a passenger car frame. The air curtain fixing frame assembly comprises a top cover fixing part for fixing to a top cover frame of the passenger car frame and a side enclosure fixing part for fixing to a side enclosure frame of the passenger car frame.

[0007] Furthermore, the air curtain machine fixing frame assembly includes a main mounting frame and a first connecting bracket fixedly connected to the main mounting frame, the air curtain machine module is fixed on the main mounting frame, and the first connecting bracket is provided with a first top cover fixing portion for fixing to the top cover frame and a first side surround fixing portion for fixing to the side surround frame, the first top cover fixing portion constitutes a top cover fixing portion, and the first side surround fixing portion constitutes a side surround fixing portion.

[0008] Furthermore, the first connecting bracket is an L-shaped structure, including a side enclosure connecting arm and a top cover connecting arm which are perpendicular to each other, the first top cover fixing portion is arranged on the top cover connecting arm, and the first side enclosure fixing portion is arranged on the side enclosure connecting arm.

[0009] Furthermore, the first connecting bracket is connected to the main mounting frame via a fastener, and the first connecting bracket is welded to the bus frame.

[0010] Furthermore, the air curtain machine fixing frame assembly also includes a second connecting bracket fixedly connected to the main mounting frame, the second connecting bracket is spaced apart from the side frame, and the second connecting bracket is provided with a second top cover fixing portion for fixing to the top cover frame, and the second top cover fixing portion constitutes a top cover fixing portion.

[0011] Furthermore, the second connecting bracket includes an upper connecting member and a lower connecting member fixedly connected together, the second top cover fixing portion is arranged on the upper connecting member, the lower connecting member is fixed to the main mounting frame, and the upper connecting member and the lower connecting member both have a bending structure.

[0012] Furthermore, the air curtain machine fixing frame assembly also includes a third connecting bracket fixedly connected to the main mounting frame, the third connecting bracket includes at least two vertical connecting arms arranged at intervals, and the vertical connecting arms are provided with a third top cover fixing portion for fixing to the top cover frame, and the third top cover fixing portion constitutes a top cover fixing portion.

[0013] Furthermore, the passenger car air curtain installation structure also includes an air duct, the air curtain module and the air curtain fixing frame assembly are located in the air duct, a door pump mechanism is also provided in the air duct, and the side enclosure fixing portion is arranged on one side of the door pump mechanism in the front-rear direction.

[0014] Furthermore, a front door is provided on the coach frame, and the air curtain module is installed above the front door.

[0015] The beneficial effects of the passenger car air curtain installation structure of the utility model are as follows: the utility model is improved on the basis of the passenger car air curtain installation structure in the prior art, so that the air curtain machine fixing frame assembly has a top cover fixing part and a side panel fixing part, the top cover fixing part is fixed to the top cover frame of the passenger car frame, and the side panel fixing part is fixed to the side panel frame of the passenger car frame. The air curtain machine fixing frame assembly cooperates with the top cover frame and the side panel frame to form a triangular support structure for the air curtain machine module, and the structural strength is high, ensuring that the air curtain machine module is fixed and stable.

[0016] The technical solution of the passenger car of the utility model is:

[0017] A bus includes a bus air curtain installation structure, including an air curtain module, an air curtain fixing frame assembly and a bus frame. The air curtain fixing frame assembly has a top cover fixing part for fixing to a top cover frame of the bus frame and a side enclosure fixing part for fixing to a side enclosure frame of the bus frame.

[0018] Furthermore, the air curtain machine fixing frame assembly includes a main mounting frame and a first connecting bracket fixedly connected to the main mounting frame, the air curtain machine module is fixed on the main mounting frame, and the first connecting bracket is provided with a first top cover fixing portion for fixing to the top cover frame and a first side surround fixing portion for fixing to the side surround frame, the first top cover fixing portion constitutes a top cover fixing portion, and the first side surround fixing portion constitutes a side surround fixing portion.

[0019] Furthermore, the first connecting bracket is an L-shaped structure, including a side enclosure connecting arm and a top cover connecting arm which are perpendicular to each other, the first top cover fixing portion is arranged on the top cover connecting arm, and the first side enclosure fixing portion is arranged on the side enclosure connecting arm.

[0020] Furthermore, the first connecting bracket is connected to the main mounting frame via a fastener, and the first connecting bracket is welded to the bus frame.

[0021] Furthermore, the air curtain machine fixing frame assembly also includes a second connecting bracket fixedly connected to the main mounting frame, the second connecting bracket is spaced apart from the side frame, and the second connecting bracket is provided with a second top cover fixing portion for fixing to the top cover frame, and the second top cover fixing portion constitutes a top cover fixing portion.

[0022] Furthermore, the second connecting bracket includes an upper connecting member and a lower connecting member fixedly connected together, the second top cover fixing portion is arranged on the upper connecting member, the lower connecting member is fixed to the main mounting frame, and the upper connecting member and the lower connecting member both have a bending structure.

[0023] Furthermore, the air curtain machine fixing frame assembly also includes a third connecting bracket fixedly connected to the main mounting frame, the third connecting bracket includes at least two vertical connecting arms arranged at intervals, and the vertical connecting arms are provided with a third top cover fixing portion for fixing to the top cover frame, and the third top cover fixing portion constitutes a top cover fixing portion.

[0024] Furthermore, the passenger car air curtain installation structure also includes an air duct, the air curtain module and the air curtain fixing frame assembly are located in the air duct, a door pump mechanism is also provided in the air duct, and the side enclosure fixing portion is arranged on one side of the door pump mechanism in the front-rear direction.

[0025] Furthermore, a front door is provided on the coach frame, and the air curtain module is installed above the front door.

[0026] The beneficial effects of the passenger car of the utility model are as follows: the utility model is improved on the basis of the air curtain machine installation structure of the passenger car in the prior art, so that the air curtain machine fixing frame assembly has a top cover fixing part and a side panel fixing part, the top cover fixing part is fixed to the top cover frame of the passenger car frame, and the side panel fixing part is fixed to the side panel frame of the passenger car frame. The air curtain machine fixing frame assembly cooperates with the top cover frame and the side panel frame to form a triangular support structure for the air curtain machine module, and the structural strength is high, ensuring that the air curtain machine module is fixed and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of a passenger car air curtain installation structure according to an embodiment of the utility model from a side perspective in the vehicle width direction;

[0028] Figure 2 A schematic diagram of a passenger car air curtain installation structure according to an embodiment of the utility model from a side perspective in the vehicle length direction;

[0029] Figure 3 for Figure 2 Schematic diagram of the air curtain machine fixing frame assembly and the vehicle body fixing structure;

[0030] Figure 4 for Figure 3 A schematic diagram of the fixing structure of the front connecting bracket;

[0031] Figure 5 for Figure 3 A schematic diagram of the fixing structure of the middle connecting bracket;

[0032] Figure 6 for Figure 3 Schematic diagram of the fixing structure of the rear connecting bracket.

[0033] In the figure: 100, air curtain machine; 101, side frame; 102, top cover frame; 103, door pump mechanism; 104, decorative cover; 105, air duct plate; 1, main mounting frame; 11, upper flip edge; 12, side flip edge; 13, front bracket connecting piece; 14, rear bracket connecting piece; 2, rear connecting bracket; 3, middle connecting bracket; 31, upper connecting piece; 32, lower connecting piece; 4, front connecting bracket. DETAILED DESCRIPTION

[0034] The utility model makes improvements on the basis of the installation structure of the passenger car air curtain machine in the prior art, so that the air curtain machine fixing frame assembly has a top cover fixing part and a side enclosure fixing part, the top cover fixing part is fixed to the top cover frame of the passenger car frame, and the side enclosure fixing part is fixed to the side enclosure frame of the passenger car frame. The air curtain machine fixing frame assembly cooperates with the top cover frame and the side enclosure frame to form a triangular supporting structure for the air curtain machine module, and the structural strength is high, so that the air curtain machine module is ensured to be fixed and stable.

[0035] The following is a specific description of the embodiment of the passenger car air curtain installation structure of the utility model:

[0036] like Figure 1 and Figure 2 As shown, the passenger car air curtain installation structure includes an air curtain module, an air curtain fixing frame assembly, an air duct and a passenger car frame. The passenger car frame includes a side frame 101 and a top cover frame 102. The air duct is arranged at the junction of the side frame 101 and the top cover frame 102. The passenger car in this embodiment is a bus. The bus frame is provided with a front door. The front door is the passenger door close to the front of the bus. For the bus, a middle door and / or a rear door are generally provided. The passenger car air curtain installation structure in this embodiment is an air curtain installation structure at the front door. The air curtain module is installed above the front door. The front door is provided with a door pump mechanism 103. The air curtain module, the air curtain fixing frame assembly and the door pump mechanism 103 are all arranged in the air duct.

[0037] The air duct includes an air duct plate 105 and a decorative cover 104 at the position corresponding to the air curtain module. One end of the air duct plate 105 is fixedly connected to the top cover frame 102, and the other end is fixedly connected to the side panel frame 101. The bus has a vehicle length direction, a vehicle width direction and a vehicle height direction. The vehicle length direction is the front and rear direction, the vehicle width direction is the left and right direction, and the vehicle height direction is the up and down direction. The decorative cover 104 is fixed on the air duct plate 105.

[0038] The air curtain module comprises an air curtain 100 and an inner housing of the machine body. The air curtain 100 is fixed in the inner housing of the machine body and is fixed to the frame of the coach as a whole through an air curtain fixing frame assembly.

[0039] like Figure 2 , Figure 3 and Figure 4 As shown, the air curtain fixing frame assembly includes a main mounting frame 1 and a front connecting bracket 4, a middle connecting bracket 3, and a rear connecting bracket 2. The front connecting bracket 4 is arranged at the front end of the main mounting frame 1, the middle connecting bracket 3 is arranged in the middle of the main mounting frame 1, and the rear connecting bracket 2 is arranged at the rear end of the main mounting frame 1. The air curtain module is fixed on the main mounting frame 1. The front connecting bracket 4, the middle connecting bracket 3, and the rear connecting bracket 2 are all fixed to the bus frame, so that three fixing structures are formed in the front and rear directions, which is conducive to the stability of the air curtain fixing frame assembly. The air curtain fixing frame assembly has a top cover fixing part for fixing to the top cover frame 102 of the bus frame and a side enclosure fixing part for fixing to the side enclosure frame 101 of the bus frame. The air curtain fixing frame assembly is not only fixed to the top cover frame 102, but also to the side enclosure frame 101. The air curtain fixing frame assembly has a high structural strength, which ensures that the air curtain module is stably fixed.

[0040] The main mounting frame 1 has a bending body, an upward turning edge 11 facing the top cover, and a side turning edge 12 facing the side wall. The bending body includes two mutually perpendicular parts for the body cover to be adapted and installed. A reinforcing rib is provided between the two mutually perpendicular parts of the bending body, and a reinforcing rib is provided between the upward turning edge 11 and the upper side of the bending body. A weight-reducing hole is also provided on the bending body. The side turning edge 12 is fixedly connected to the decorative cover 104 to reinforce the decorative cover 104.

[0041] like Figure 2 , Figure 3 and Figure 6 As shown, the rear connecting bracket 2 constitutes the first connecting bracket, and the rear connecting bracket 2 is an L-shaped structure. The rear connecting bracket 2 includes a side enclosure connecting arm and a top cover connecting arm perpendicular to each other. The top cover connecting arm is provided with a first top cover fixing portion for fixing to the top cover frame 102, and the side enclosure connecting arm is provided with a first side enclosure fixing portion for fixing to the side enclosure frame 101. The first side enclosure fixing portion is an end of the side enclosure connecting arm away from the top cover connecting arm, and the end is welded and fixed to the side enclosure frame 101. The first top cover fixing portion is an end of the top cover connecting arm away from the side enclosure connecting arm, and the end is welded and fixed to the top cover frame 102. Bolt holes are provided on the part of the side enclosure connecting arm close to the top cover connecting arm, and the rear bracket connecting piece 14 is provided on the upward side surface of the bent main body of the main mounting frame 1, and bolt holes are also provided on the rear bracket connecting piece 14, so that the side enclosure connecting arm of the rear connecting bracket 2 is fixedly connected to the rear bracket connecting piece 14 of the main mounting frame 1 by bolts, and the bolts constitute fasteners. The rear connecting bracket 2 is arranged at the rear side of the door pump mechanism 103. There is sufficient space at the rear side of the door pump mechanism 103 of the front door, and the L-shaped rear connecting bracket 2 can be used to fix it to the side frame 101, which is beneficial to improve the structural strength.

[0042] like Figure 2 , Figure 3 and Figure 5 As shown, the middle connecting bracket 3 constitutes the second connecting bracket, and the middle connecting bracket 3 is arranged at intervals with the side frame 101. The middle connecting bracket 3 includes an upper connecting member 31 and a lower connecting member 32 fixedly connected together. The upper connecting member 31 and the lower connecting member 32 both have a bending structure. The upper connecting member 31 is a U-shaped structure, and the lower connecting member 32 is an L-shaped structure. The upper side arm of the upper connecting member 31 constitutes the second top cover fixing part and is welded and fixed to the top cover frame 102. The lower side arm of the upper connecting member 31 is attached to the horizontal part of the lower connecting member 32 and is fixedly connected by bolts. The vertical part of the lower connecting member 32 is fixed to the upper turning edge 11 of the main mounting frame 1 and is fixed on the side of the upper turning edge 11 away from the side frame 101. The use of two connecting members with bending structures can ensure the structural strength and avoid the door pump mechanism 103.

[0043] like Figure 2 , Figure 3 and Figure 4As shown, the front connecting bracket 4 constitutes the third connecting bracket. The front connecting bracket 4 is a U-shaped structure, including two vertical connecting arms spaced apart from each other and a horizontal connecting section connecting the two vertical connecting arms. The upper end of the vertical connecting arm away from the horizontal connecting section is welded and fixed to the top cover frame 102 and the upper end constitutes the third top cover fixing part. The horizontal connecting section of the front connecting bracket 4 is provided with a bolt hole, and the upper side surface of the main mounting frame 1 is provided with a front bracket connecting piece 13. The front bracket connecting piece 13 is also provided with a bolt hole, so that the horizontal connecting section of the front connecting bracket 4 is fixedly connected to the front bracket connecting piece 13 of the main mounting frame 1 by bolts. The front connecting bracket 4 and the side frame 101 are spaced apart from each other to adapt to the relatively narrow space of the front door air duct near the front part of the vehicle.

[0044] The first top cover fixing part, the second top cover fixing part, and the third top cover fixing part are all top cover fixing parts of the air curtain machine fixing frame assembly, so that the air curtain machine fixing frame assembly has multiple top cover fixing parts. The first side enclosure fixing part constitutes a side enclosure fixing part. The air curtain machine fixing frame assembly in this embodiment has a side enclosure fixing part, which can play a role in strengthening support.

[0045] The air curtain machine fixing frame assembly can avoid the door shaft and the door pump tray at the front while meeting the reliability requirements, and for the bolt connection structure between the main mounting frame 1 and the connecting bracket, adjustable installation can be achieved by setting the corresponding bolt holes as oblong holes.

[0046] The air curtain machine 100 is located at the front door of the bus, i.e., the first passenger door. An air inlet is provided at the upper part of the decorative cover 104, and an air outlet is provided at the lower part of the decorative cover 104. A seal is installed between the periphery of the inner cover of the body and the inner surface of the decorative cover 104. The air curtain machine 100 can directly absorb the air in the compartment to avoid the cold air generated by the air conditioner in the air duct being sucked out by the air curtain machine 100 and causing waste. The air curtain machine 100 is installed on the bus body frame through a fixing frame assembly, which has good fixing stability, avoids resonance vibration, and is convenient for disassembly and maintenance. The front top of the bus and the decorative cover 104 are sealed with thermal insulation cotton to form an air duct between the decorative cover 104, the air duct plate 105 and the body frame. The air inlet of the air curtain machine 100 matches the air inlet on the decorative cover 104 to achieve air intake of the air curtain machine 100. The air outlet of the air curtain machine 100 matches the air outlet of the decorative cover 104 to achieve air outlet of the air curtain machine 100.

[0047] In other embodiments, if space permits, the upper flap of the main mounting frame can be lengthened to be directly welded to the top cover frame, and the upper flap is provided with a top cover fixing portion. The side flap of the main mounting frame can be lengthened to be directly welded to the side enclosure frame, and the side flap is provided with a side enclosure fixing portion. In this case, a connecting bracket is no longer required.

[0048] In other implementations, the first connecting bracket may also be a triangular frame structure, one corner of the triangular frame is fixed to the main mounting frame, and the other two corners are respectively fixed to the side panel frame and the top cover frame.

[0049] In other implementations, the connecting bracket may also be fixed to the main mounting frame by welding.

[0050] In other embodiments, if space permits, the second connecting bracket may also be an L-shaped structure, and the second connecting bracket is provided with not only a second top cover fixing portion for fixing to the top cover frame, but also a second side panel fixing portion for fixing to the side panel frame.

[0051] In other implementations, the second connecting bracket may also be directly formed by an integrated L-shaped bent plate.

[0052] In other embodiments, the third connecting bracket may also have three vertical connecting arms, the lower ends of the three vertical connecting arms are welded and fixed to the same connecting plate, and the connecting plate is fixedly connected to the corresponding front bracket connecting piece by bolts.

[0053] In other implementations, the air curtain module may also be installed above the middle door of the bus, and in this case, a side enclosure connection portion may be provided on the front side of the door pump mechanism of the middle door.

[0054] Embodiment of the passenger car of the utility model:

[0055] The bus includes an air curtain installation structure. The air curtain installation structure in this embodiment is the same as the bus air curtain installation structure in the above-mentioned embodiment of the bus air curtain installation structure, and will not be described in detail here.

[0056] Finally, it should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments without creative work, or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A passenger car air curtain installation structure, comprising an air curtain module, an air curtain fixing frame assembly and a passenger car frame, characterized in that: The air curtain machine fixing frame assembly comprises a top cover fixing part for fixing with a top cover frame of a coach frame and a side enclosure fixing part for fixing with a side enclosure frame of the coach frame.

2. The passenger car air curtain installation structure according to claim 1 is characterized in that: The air curtain machine fixing frame assembly includes a main mounting frame and a first connecting bracket fixedly connected to the main mounting frame. The air curtain machine module is fixed on the main mounting frame. The first connecting bracket is provided with a first top cover fixing portion for fixing to the top cover frame and a first side surround fixing portion for fixing to the side surround frame. The first top cover fixing portion constitutes a top cover fixing portion, and the first side surround fixing portion constitutes a side surround fixing portion.

3. The passenger car air curtain installation structure according to claim 2 is characterized in that: The first connecting bracket is an L-shaped structure, comprising a side enclosure connecting arm and a top cover connecting arm which are perpendicular to each other, the first top cover fixing portion is arranged on the top cover connecting arm, and the first side enclosure fixing portion is arranged on the side enclosure connecting arm.

4. The passenger car air curtain installation structure according to claim 2 or 3, characterized in that: The first connecting bracket is connected to the main mounting frame via a fastener, and the first connecting bracket is welded to the bus frame.

5. The passenger car air curtain installation structure according to claim 2 or 3, characterized in that: The air curtain machine fixing frame assembly also includes a second connecting bracket fixedly connected to the main mounting frame, the second connecting bracket is spaced apart from the side frame, and the second connecting bracket is provided with a second top cover fixing portion for fixing to the top cover frame, and the second top cover fixing portion constitutes a top cover fixing portion.

6. The passenger car air curtain installation structure according to claim 5 is characterized in that: The second connecting bracket includes an upper connecting member and a lower connecting member fixedly connected together, the second top cover fixing portion is arranged on the upper connecting member, the lower connecting member is fixed to the main mounting frame, and the upper connecting member and the lower connecting member both have a bending structure.

7. The passenger car air curtain installation structure according to claim 2 or 3, characterized in that: The air curtain machine fixing frame assembly also includes a third connecting bracket fixedly connected to the main mounting frame, the third connecting bracket includes at least two vertical connecting arms arranged at intervals, and the vertical connecting arms are provided with a third top cover fixing portion for fixing to the top cover frame, and the third top cover fixing portion constitutes a top cover fixing portion.

8. The passenger car air curtain installation structure according to claim 1, 2 or 3, characterized in that: The passenger car air curtain installation structure also includes an air duct, in which the air curtain module and the air curtain fixing frame assembly are located, and a door pump mechanism is also provided in the air duct, and the side enclosure fixing portion is provided on one side of the door pump mechanism in the front-rear direction.

9. The passenger car air curtain installation structure according to claim 1, 2 or 3, characterized in that: A front door is arranged on the coach frame, and the air curtain module is installed above the front door.

10. A passenger car, characterized in that: The invention comprises the installation structure of the passenger car air curtain machine as described in any one of claims 1 to 9.

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