Cab air conditioner air duct air opening structure, cab and tractor

Abstract

The structure comprises an inner top air duct assembly, a left front stand column air duct and a right front stand column air duct, the left front stand column air duct and the right front stand column air duct are vertically and oppositely distributed, the interiors of the left front stand column air duct and the right front stand column air duct are hollow, the upper ends of the left front stand column air duct and the right front stand column air duct are open, and the lower ends of the right front stand column air duct are closed; one end of the inner top air duct assembly communicates with the upper end of the left front stand column air duct and the upper end of the right front stand column air duct, and the other end of the inner top air duct assembly communicates with an air conditioner evaporator. A plurality of air outlets are evenly formed in the lower side of the inner top air duct assembly, the rear side of the left front stand column air duct and the rear side of the right front stand column air duct at intervals. The air duct has the advantages that the structure is simple, the structural design of the air duct opening is reasonable, the air outlets are dispersed as much as possible, the air outlets can blow air from top to bottom, from front to back and from bottom to top, and the air can blow air to a driver to provide comfortable circulating air and can also blow air to front glass to meet the defrosting and demisting functions.

Description

Technical Field

[0001] The utility model relates to the technical field of tractors, and in particular to an air duct and air outlet structure of an air conditioning system in a cab, a cab and a tractor. Background Art

[0002] The air duct of the air conditioner in the existing tractor cab is generally arranged on the inner top or the instrument panel, and the air outlet is also arranged on the inner top or the instrument panel accordingly. The air outlet is concentrated, which is not conducive to the circulation of cold and warm air in the cab, and the driver is uncomfortable with local wind blowing. Utility Model Content

[0003] The utility model provides a cab air conditioning air duct air outlet structure, a cab and a tractor, aiming to solve the problems in the prior art.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] A cab air conditioning duct outlet structure comprises an inner top duct assembly, a left front pillar duct and a right front pillar duct, wherein the left front pillar duct and the right front pillar duct are vertically arranged opposite to each other, and are respectively hollow inside, with an open upper end and a closed lower end; the inner top duct assembly is installed above the left front pillar duct and the right front pillar duct, and is hollow inside and open at both ends; one end of the inner top duct assembly is respectively connected to the upper end of the left front pillar duct and the upper end of the right front pillar duct, and the other end is used to connect to an air conditioning evaporator; a plurality of air outlets are evenly spaced on the lower side of the inner top duct assembly, the rear side of the left front pillar duct and the rear side of the right front pillar duct.

[0006] The beneficial effects of the utility model are: the utility model has a simple structure, the air duct and air outlet structure is reasonably designed, the air outlets are dispersed as much as possible, the air outlets can blow air from top to bottom, from front to back, and from bottom to top, can blow toward the driver to provide comfortable circulating air, and can also blow toward the front glass to satisfy the defrosting and defogging functions.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the inner top air duct assembly includes multiple inner top air ducts, each of which is hollow inside and open at both ends; one end of each of the inner top air ducts is respectively connected to the upper end of the left front pillar air duct and / or the upper end of the right front pillar air duct, and the other end is respectively used to connect to the air conditioner evaporator; and the multiple air outlets are evenly spaced and distributed on the lower side of the multiple inner top air ducts.

[0009] The beneficial effect of adopting the above further scheme is simple structure and reasonable design. The multiple air outlets distributed on the lower side of the multiple inner top air ducts enable cold air to blow into the cab from top to bottom at even intervals, ensuring the comfort level in the cab.

[0010] Furthermore, the directions of the multiple air outlets on each of the inner top air ducts are inconsistent.

[0011] The beneficial effect of adopting the above further solution is that the multiple air outlets are reasonably distributed so as to evenly deliver the cold air to various areas in the cab, thereby ensuring the comfort level in the cab.

[0012] Furthermore, the plurality of inner top air ducts are respectively in arc-shaped structures.

[0013] The beneficial effect of adopting the above further solution is that the shapes of the multiple inner top air ducts are adapted to the shape of the top of the cab, ensuring uniform air supply.

[0014] Furthermore, there are two inner top air ducts, namely, the inner top left air duct and the inner top right air duct; the inner top left air duct and the inner top right air duct are relatively distributed, one end of which is respectively connected to the upper end of the left front pillar air duct and the upper end of the right front pillar air duct, and the other end is used to connect to the air conditioning evaporator.

[0015] The beneficial effect of adopting the above further solution is that the number of inner top air ducts is reasonably designed, the air is discharged evenly, and the comfort level in the cab is ensured.

[0016] Furthermore, a plurality of mounting seats are evenly and fixedly installed on the sides of the inner top left side air duct and the inner top right side air duct away from each other, and the plurality of mounting seats are respectively used to connect to the cab.

[0017] The beneficial effects of adopting the above further scheme are simple structure, reasonable design of multiple mounting seats, and use of multiple mounting seats to achieve connection between the inner top left air duct and the inner top right air duct and the top of the cab, which is easy to assemble.

[0018] Furthermore, the left front pillar air duct and / or the right front pillar air duct are / is a columnar structure.

[0019] The beneficial effect of adopting the above further scheme is that the shapes of the left front pillar air duct and the right front pillar air duct are reasonably designed, which are adapted to the shapes of the two front sides of the cab, which is convenient for assembly and can evenly deliver cold air to the cab to ensure the comfort of the cab.

[0020] Furthermore, the upper end of the left front pillar air duct and / or the upper end of the right front pillar air duct are respectively fixedly connected with a fixing plate, and the two fixing plates are respectively used to connect the inner top air duct assembly.

[0021] The beneficial effects of adopting the above further solution are simple structure and reasonable design. The upper end of the left front pillar air duct and the upper end of the right front pillar air duct can be connected to the inner top air duct by using the fixing plate, which is easy to assemble.

[0022] The utility model also relates to a cab, comprising a cab body, and also comprising the cab air conditioning duct outlet structure as described above, wherein the inner top duct assembly is fixedly mounted on the top of the cab body, and the left front pillar duct and the right front pillar duct are relatively fixedly mounted on the left and right sides of the front side of the cab body.

[0023] The beneficial effect of adopting the above-mentioned further scheme is that the utility model also provides a cab, which has a simple structure, a reasonably designed air duct and air outlet structure, and the air outlets are dispersed as much as possible. The air outlets can blow air from top to bottom, from front to back, and from bottom to top. They can blow toward the driver to provide comfortable circulating air, and can also blow toward the front glass to satisfy the defrosting and defogging functions.

[0024] The utility model also relates to a tractor, comprising the driving cab as described above.

[0025] The beneficial effect of adopting the above-mentioned further scheme is that the utility model also provides a tractor with a simple structure, a reasonably designed air duct and air outlet structure, and the air outlets are dispersed as much as possible. The air outlets can blow air from top to bottom, from front to back, and from bottom to top. The air outlets can blow air toward the driver to provide comfortable circulating air, and can also blow air toward the front glass to satisfy the defrosting and defogging functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is one of the overall structural diagrams of the utility model;

[0027] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0028] Figure 3 This is one of the structural schematic diagrams of the central column air duct of the utility model;

[0029] Figure 4 This is the second structural schematic diagram of the central column air duct of the utility model;

[0030] Figure 5 It is a structural schematic diagram of the inner top air duct in the utility model.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Left front pillar air duct; 2. Right front pillar air duct; 3. Air conditioning evaporator; 4. Air outlet; 5. Left side air duct on the inner top; 6. Right side air duct on the inner top; 7. Mounting seat; 8. Fixing plate; 9. Cab body. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0034] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0036] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0037] Example 1

[0038] like Figures 1 to 5 As shown, the present embodiment provides an air outlet structure of an air conditioning duct in a cab, comprising an inner top air duct assembly, a left front pillar air duct 1 and a right front pillar air duct 2, wherein the left front pillar air duct 1 and the right front pillar air duct 2 are vertically arranged opposite to each other, and are respectively hollow inside, with an open upper end and a closed lower end; the inner top air duct assembly is installed above the left front pillar air duct 1 and the right front pillar air duct 2, and is hollow inside and open at both ends; one end of the inner top air duct assembly is respectively connected to the upper end of the left front pillar air duct 1 and the upper end of the right front pillar air duct 2, and the other end is used to connect to an air conditioning evaporator 3; a plurality of air outlets 4 are evenly spaced apart on the lower side of the inner top air duct assembly, the rear side of the left front pillar air duct 1 and the rear side of the right front pillar air duct 2.

[0039] The present embodiment has a simple structure, and the air duct and air outlet structure is reasonably designed. The air outlets 4 are dispersed as much as possible. The air outlets can blow air from top to bottom, from front to back, and from bottom to top. They can blow air toward the driver to provide comfortable circulating air, or they can blow air toward the front glass to satisfy the defrosting and defogging functions.

[0040] Example 2

[0041] On the basis of Example 1, in this embodiment, the inner top air duct assembly includes multiple inner top air ducts, each of which is hollow inside and open at both ends; one end of the multiple inner top air ducts is respectively connected to the upper end of the left front pillar air duct 1 and / or the upper end of the right front pillar air duct 2, and the other end is respectively used to connect to the air-conditioning evaporator 3; the multiple air outlets 4 are evenly spaced and distributed on the lower side of the multiple inner top air ducts.

[0042] The solution has a simple structure and a reasonable design. The multiple air outlets 4 distributed on the lower side of the multiple inner top air ducts enable the cold air to blow into the cab from top to bottom at even intervals, thereby ensuring the comfort level in the cab.

[0043] Based on the above solution, the air-conditioning evaporator 3 is fixedly installed on the top of the cab.

[0044] In addition, the air-conditioning evaporator 3 mentioned above adopts the existing technology, and its specific structure and principle are not described in detail here.

[0045] Moreover, the number of the left front pillar air duct 1, the right front pillar air duct 2 and the air outlets 4 on each inner top air duct can be designed according to demand, and their directions can also be designed according to demand.

[0046] Example 3

[0047] On the basis of Example 2, in this embodiment, the directions of the plurality of air outlets 4 on each inner top air duct are inconsistent.

[0048] The plurality of air outlets 4 are reasonably distributed so as to evenly deliver the cold air to various areas in the cab to ensure the comfort level in the cab.

[0049] Alternatively, the multiple air outlets 4 on each inner top air duct are all facing downward.

[0050] Example 4

[0051] On the basis of any one of Embodiments 2 to 3, in this embodiment, the plurality of inner top air ducts are respectively in an arc-shaped structure.

[0052] The shapes of multiple inner top air ducts are adapted to the shape of the cab top to ensure uniform air supply.

[0053] Example 5

[0054] On the basis of any one of Examples 2 to 4, in this embodiment, the number of the inner top air ducts is two, namely, the inner top left air duct 5 and the inner top right air duct 6; the inner top left air duct 5 and the inner top right air duct 6 are relatively distributed, one end of which is respectively connected to the upper end of the left front pillar air duct 1 and the upper end of the right front pillar air duct 2, and the other end is respectively used to connect to the air conditioning evaporator 3.

[0055] The number of inner top air ducts is reasonably designed to discharge air evenly, ensuring the comfort level in the cab.

[0056] Alternatively, the above-mentioned inner top air ducts may also adopt other suitable numbers, such as three, and the distribution of the three inner top air ducts may be: two of the inner top air ducts are relatively distributed on both sides of the top of the cab, and the remaining inner top air duct is located between the above-mentioned two inner top air ducts.

[0057] In addition, the shapes of the multiple inner top air ducts may be inconsistent, so that the two ends of the multiple inner top air ducts are respectively connected to the air conditioner condenser and the corresponding front pillar air duct.

[0058] Example 6

[0059] On the basis of Example 5, in this embodiment, a plurality of mounting seats 7 are evenly and fixedly installed at the sides of the inner top left air duct 5 and the inner top right air duct 6 away from each other, and the plurality of mounting seats 7 are respectively used to connect to the cab.

[0060] The solution has a simple structure, and the multiple mounting seats 7 are reasonably designed. The multiple mounting seats 7 are used to connect the inner top left air duct 5 and the inner top right air duct 6 with the top of the cab, which is easy to assemble.

[0061] Preferably, in this embodiment, each mounting seat 7 is preferably a plate-shaped structure, one end of which is fixedly connected to the corresponding air duct, and the other end is used to connect to the corresponding part of the cab.

[0062] Example 7

[0063] On the basis of the above embodiments, in this embodiment, the left front pillar air duct 1 and / or the right front pillar air duct 2 are respectively in a columnar structure.

[0064] The shapes of the left front pillar air duct 1 and the right front pillar air duct 2 are reasonably designed, which are adapted to the shapes of the two front sides of the cab, which is convenient for assembly and can evenly deliver cold air to the cab to ensure the comfort level in the cab.

[0065] Based on the above solution, the left front pillar air duct 1 and the right front pillar air duct 2 have a certain curvature so that they can fit with both sides of the front side of the cab.

[0066] Example 8

[0067] On the basis of the above embodiments, in this embodiment, the upper end of the left front pillar air duct 1 and / or the upper end of the right front pillar air duct 2 are respectively fixedly connected with a fixing plate 8, and the two fixing plates 8 are respectively used to connect the inner top air duct assembly.

[0068] This solution has a simple structure and a reasonable design. The fixing plate 8 can be used to connect the upper ends of the left front pillar air duct 1 and the right front pillar air duct 2 with the inner top air duct, and the assembly is convenient.

[0069] Preferably, in this embodiment, each of the fixing plates 8 is preferably a bent plate.

[0070] Alternatively, the fixing plate 8 may also be a curved plate.

[0071] Example 9

[0072] On the basis of the above-mentioned embodiments, the present embodiment also provides a cab, including a cab body 9, and also including the cab air conditioning duct outlet structure as described above, wherein the inner top duct assembly is fixedly mounted on the top of the cab body 9, and the left front pillar duct 1 and the right front pillar duct 2 are relatively fixedly mounted on the left and right sides of the front side of the cab body 9.

[0073] The present embodiment also provides a cab having a simple structure, a reasonably designed air duct and air outlet structure, and air outlets dispersed as much as possible. The air outlets can blow air from top to bottom, from front to back, and from bottom to top. The air outlets can blow air toward the driver to provide comfortable circulating air, or they can blow toward the front glass to satisfy the defrosting and defogging functions.

[0074] Example 10

[0075] Based on the above-mentioned Embodiment 9, this embodiment further provides a tractor, comprising the above-mentioned cab.

[0076] The present embodiment also provides a tractor with a simple structure, a reasonably designed air duct and air outlet structure, and air outlets dispersed as much as possible. The air outlets can blow air from top to bottom, from front to back, and from bottom to top. The air outlets can blow air toward the driver to provide comfortable circulating air, or they can blow air toward the front glass to satisfy the defrosting and defogging functions.

[0077] The working principle of the utility model is as follows:

[0078] During operation, the cold air sent by the air conditioner condenser is evenly delivered to the cab through multiple inner top air ducts and multiple air outlets 4 on the left front pillar air duct 1 and the right front pillar air duct 2, ensuring the comfort level in the cab and thus ensuring the operating efficiency of the driver.

[0079] The utility model provides a brand-new arrangement form of air ducts and air outlets for the air conditioning in the cab. The air ducts are arranged on the inner top and extend forward to the left and right front pillars, and extend from the upper ends of the left and right front pillars to the lower ends of the front pillars. The air outlets are correspondingly arranged on the inner top air duct and the left and right front pillar air ducts, so that the air outlets are dispersed as much as possible. The air outlets can blow air from top to bottom, from front to back, and from bottom to top, and can blow to the driver to provide comfortable circulating air, and can also blow to the front glass to satisfy the defrosting and defogging functions.

[0080] In addition, the utility model provides a new arrangement of air ducts and air outlets in the cab air conditioning, which allows the air outlets to be dispersed up and down, left and right, which is conducive to the circulation of indoor cold and warm air, providing a comfortable driving environment for the cab occupants, and at the same time has the functions of blowing, defrosting and defogging. The arrangement is simple, easy to implement, has good application effect, and is suitable for mass promotion.

[0081] It should be noted that all electronic components involved in the present invention adopt the existing technology, and the above-mentioned components are electrically connected to the controller, and the control circuit between the controller and each component is the existing technology.

[0082] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0083] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0084] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cab air conditioning duct vent structure, characterized by: The invention comprises an inner top air duct assembly, a left front column air duct (1) and a right front column air duct (2); the left front column air duct (1) and the right front column air duct (2) are arranged vertically opposite to each other, and are respectively hollow inside, with an open upper end and a closed lower end; the inner top air duct assembly is installed above the left front column air duct (1) and the right front column air duct (2), and is respectively hollow inside and open at both ends; one end of the inner top air duct assembly is respectively connected to the upper end of the left front column air duct (1) and the upper end of the right front column air duct (2), and the other end is used to connect to an air conditioner evaporator (3); a plurality of air outlets (4) are evenly spaced on the lower side of the inner top air duct assembly, the rear side of the left front column air duct (1) and the rear side of the right front column air duct (2).

2. The air duct vent structure of the cab air conditioning according to claim 1 is characterized by: The inner top air duct assembly comprises a plurality of inner top air ducts, each of which is hollow inside and open at both ends; one end of each of the inner top air ducts is connected to the upper end of the left front pillar air duct (1) and / or the upper end of the right front pillar air duct (2), and the other end is used to connect to the air conditioner evaporator (3); and the plurality of air outlets (4) are evenly spaced and distributed on the lower side of the plurality of inner top air ducts.

3. The air duct vent structure of the cab air conditioning according to claim 2 is characterized by: The directions of the multiple air outlets (4) on each inner top air duct are inconsistent.

4. The air duct vent structure of the cab air conditioning according to claim 2 is characterized by: The plurality of inner top air ducts are respectively in arc-shaped structures.

5. The air duct vent structure of the cab air conditioning according to claim 2 is characterized by: The number of the inner top air ducts is two, namely, the inner top left air duct (5) and the inner top right air duct (6); the inner top left air duct (5) and the inner top right air duct (6) are relatively distributed, one end of each of which is respectively connected to the upper end of the left front column air duct (1) and the upper end of the right front column air duct (2), and the other end is respectively used to connect to the air conditioner evaporator (3).

6. The air duct vent structure of the cab air conditioning according to claim 5, characterized in that: A plurality of mounting seats (7) are evenly and fixedly installed at intervals on the sides of the inner top left air duct (5) and the inner top right air duct (6) that are away from each other, and the plurality of mounting seats (7) are respectively used to connect to the cab.

7. The air duct vent structure of the cab air conditioning according to any one of claims 1 to 6, characterized in that: The left front pillar air duct (1) and / or the right front pillar air duct (2) are both columnar structures.

8. The air duct vent structure of the cab air conditioning according to any one of claims 1 to 6, characterized in that: The upper end of the left front pillar air duct (1) and / or the upper end of the right front pillar air duct (2) are respectively fixedly connected to a fixing plate (8), and the two fixing plates (8) are respectively used to connect the inner top air duct assembly.

9. A cab, comprising a cab body (9), characterized in that: It also includes a cab air conditioning duct outlet structure as described in any one of claims 1 to 8, wherein the inner top duct assembly is fixedly mounted on the top of the cab body (9), and the left front pillar duct (1) and the right front pillar duct (2) are relatively fixedly mounted on the left and right sides of the front side of the cab body (9).

10. A tractor, characterized in that: Comprising a cab as claimed in claim 9.

Images