CN218430783U - Sealing structure of automobile air conditioning box - Google Patents
Sealing structure of automobile air conditioning box Download PDFInfo
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- CN218430783U CN218430783U CN202223191882.3U CN202223191882U CN218430783U CN 218430783 U CN218430783 U CN 218430783U CN 202223191882 U CN202223191882 U CN 202223191882U CN 218430783 U CN218430783 U CN 218430783U
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Abstract
The utility model discloses a sealing structure of an automobile air-conditioning box, wherein the lower end surface of an upper shell is abutted against the upper end surface of a lower shell, sealing ribs are positioned in sealing grooves, and sealing rubber strips which are compressed and arranged between the bottom of a sealing groove and the sealing ribs play a main sealing role, so that the sealing structure has a better sealing effect; the sealing ribs and the side faces of the sealing grooves do not need to be matched tightly, the requirement on machining precision is low, the lateral stress of the sealing ribs and the side faces of the sealing grooves is small, the sealing ribs and the sealing grooves are not prone to cracking during assembly and use, and the reliability is good; the length of the sealing rib and the depth of the sealing groove can be controlled according to the compression amount of the sealing rubber strip during manufacturing, the sealing rubber strip can reach the expected compression amount as long as the lower end face of the upper shell is abutted against the upper end face of the lower shell during assembly, and the sealing rubber strip and the sealing groove are prevented from being damaged due to excessive extrusion while a good sealing effect is ensured; the technical problems of poor reliability and high production cost of the conventional sealing structure of the automobile air-conditioning box can be effectively solved.
Description
Technical Field
The utility model belongs to the technical field of vehicle air conditioner, concretely relates to vehicle air conditioner case seal structure.
Background
The air conditioner of the car is mainly used for maintaining the temperature and the air flow in the car in a good state, and providing comfortable driving and riding environments for drivers and passengers. The air conditioning box of the automobile air conditioner is composed of an upper shell and a lower shell, and the air conditioning box is generally arranged inside an instrument assembly, so that the sealing performance of the connection between the upper shell and the lower shell in the air conditioning box is particularly important, if the sealing is not tight, the performance of the automobile air conditioner is influenced by air leakage of the air conditioning box, and electrical elements in an automobile can be damaged due to outflow of condensed water in the air conditioning box.
The sealing structure adopted at present, such as the upper shell groove and the lower shell groove matching structure of the automobile air-conditioning box body disclosed in the Chinese patent CN202853077U, the upper shell and the lower shell are matched together through the tenon-and-mortise structure, although the matching is simple and the occupied space is small, when the automobile air-conditioning box body is assembled and receives external force, the upper shell and the lower shell are easy to dislocate, and further the sealing is not tight, so that the leakage of the air-conditioning box is caused. The sealing rib groove of the automobile air conditioner shell disclosed in the Chinese patent CN204373179U comprises a sealing rib protruding from the upper end face of the lower shell and a sealing groove arranged on the lower end face of the upper shell, and when the automobile air conditioner shell is assembled, the sealing rib is extruded and deformed to enable an inclined plane on one side of the sealing rib to be tightly attached to the inner wall on one side of the sealing groove so as to realize sealing; in addition, in the using process, the sealing rib groove is easy to crack under the long-time extrusion of the sealing rib, so that the sealing failure is caused, air leakage and water leakage are easy to occur under the vibration generated by the operation of an automobile, and the reliability is poor. The applicant adopts the sealing structure as shown in fig. 1, the two side surfaces of the upper sealing rib of the upper shell and the two side surfaces of the upper sealing groove of the lower shell are inclined surfaces and matched, the sealing rib is pressed into the sealing groove during assembly, sealing is realized through the two groups of matched inclined surfaces, although the sealing structure has a better sealing effect, the assembly difficulty is higher, the requirements on the strength and the processing precision of the sealing rib and the sealing groove are higher, and the production cost is further increased.
Therefore, the sealing structure of the automobile air conditioner box, which has a good sealing effect, is low in cost and convenient to assemble, needs to be designed, and the production and maintenance costs of the automobile air conditioner are reduced while the stable operation of the automobile air conditioner is ensured.
Disclosure of Invention
An above-mentioned not enough to prior art, the utility model aims to provide a vehicle air conditioner case seal structure solves the relatively poor, the higher technical problem of manufacturing cost of present vehicle air conditioner case seal structure reliability, gains the effect that reduces vehicle air conditioner production and maintenance cost.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a sealing structure of an automobile air conditioning box comprises an upper shell and a lower shell, wherein a sealing rib which protrudes downwards and extends along the lower end face of the upper shell is arranged on the lower end face of the upper shell; the compression is equipped with joint strip between the free end of sealing rib and the bottom of seal groove, and the length of sealing rib is less than the degree of depth of seal groove, goes up the lower terminal surface of casing and the up end butt of casing down in order to match the compressibility of controlling joint strip with the degree of depth through the length of sealing rib and seal groove down.
Furthermore, the thickness of the sealing rib is matched with the width of the sealing groove, and the free end of the sealing rib and the bottom of the sealing groove are both semi-arc surfaces and are matched in size.
Further, the upper end face of the outer wall of the sealing groove is lower than the upper end face of the lower shell.
Furthermore, the two ends of the sealing groove are provided with limiting notches communicated with the outside of the air-conditioning box on the outer wall of the sealing groove, the width of each limiting notch is smaller than the diameter of each sealing rubber strip, and the two ends of each sealing rubber strip extend out of the air-conditioning box through the corresponding limiting notches.
Furtherly, the outside arch of lateral surface of sealed muscle is formed with the upper support lug, and the outside arch of lateral surface of seal groove outer wall is formed with the lower support lug that corresponds with the upper support lug, and the upper support lug passes through screw or buckle with the lower support lug and is connected.
Furthermore, an upper positioning plate is formed on the outer side surface of the sealing rib in an outward protruding mode, a positioning hole which penetrates through the upper positioning plate in a vertical mode is formed in the upper positioning plate, a lower positioning plate is formed on the outer side surface of the outer wall of the sealing groove in an outward protruding mode, a positioning column corresponding to the positioning hole is formed on the lower positioning plate in an upward protruding mode, and the positioning column penetrates through the positioning hole upwards.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the sealing structure of the automobile air-conditioning box, the lower end surface of the upper shell is abutted against the upper end surface of the lower shell, the sealing rib is positioned in the sealing groove, the sealing rib and the sealing groove are matched to play a primary sealing role, and the sealing rubber strip compressed between the bottom of the sealing groove and the sealing rib plays a main sealing role; the sealing ribs and the side faces of the sealing grooves do not need to be matched tightly, the requirement on machining precision is low, assembly is easy, lateral stress of the sealing ribs and the sealing grooves is small, the sealing ribs and the sealing grooves are not prone to cracking during assembly and use, and reliability is good; joint strip is compressed and closely butt with seal groove bottom and seal muscle respectively, compares in the side cooperation through seal muscle and seal groove and has better sealed effect, and the manufacturing and assembly are simpler.
2. Among the vehicle air conditioner case seal structure, go up the lower terminal surface of casing and the up end butt of casing down, can come the length of accuse sealing rib and the degree of depth of seal groove according to joint strip's compressive capacity during the manufacturing, as long as the lower terminal surface of last casing and the up end butt of casing down during the assembly, can make joint strip reach anticipated compressive capacity, when guaranteeing better sealed effect, avoid joint strip to be excessively extruded to lead to joint strip and seal groove to damage.
3. In the sealing structure of the automobile air-conditioning box, the two ends of the sealing groove are provided with the limiting notches communicated with the outside of the air-conditioning box on the outer wall of the sealing groove, so that the sealing rubber strips are ensured to be paved on the whole sealing groove without strictly controlling the length of the sealing rubber strips; the width of spacing breach is less than joint strip's diameter, can block into corresponding end spacing breach with joint strip one end earlier during the assembly, and joint strip takes place the drunkenness when avoiding putting joint strip into the seal groove, further reduces the assembly degree of difficulty, improves production efficiency.
Drawings
FIG. 1 is a schematic view of a prior art sealing structure of an air conditioning box of an automobile;
FIG. 2 is a schematic view of a sealing structure of an air conditioning box of an automobile according to an embodiment;
FIG. 3 isbase:Sub>A schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged schematic view at C of FIG. 3;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 6 is an enlarged schematic view at D of FIG. 5;
the sealing structure comprises an upper shell 1, a lower shell 2, a sealing rib 3, a sealing groove 4, a sealing rubber strip 5, a limiting notch 6, an upper positioning plate 7, a lower positioning plate 8, a positioning column 9, an upper lug 10 and a lower lug 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Example (b):
referring to fig. 2, 3 and 4, a sealing structure of an air conditioning box of an automobile comprises an upper shell 1 and a lower shell 2, wherein a sealing rib 3 which protrudes downwards and extends along the lower end surface of the upper shell 1 is arranged on the lower end surface of the upper shell 1, a sealing groove 4 which extends along the upper end surface of the lower shell 2 is arranged on the upper end surface of the lower shell 2, and the sealing rib 3 is positioned in the sealing groove 4; the compression is equipped with joint strip 5 between the free end of sealing muscle 3 and the bottom of seal groove 4, and the length of sealing muscle 3 is less than the degree of depth of seal groove 4, goes up casing 1's lower terminal surface and casing 2's up end butt and matches the compression volume of controlling joint strip 5 with the degree of depth through the length of sealing muscle 3 and seal groove 4 down.
In the sealing structure of the automobile air-conditioning box, the lower end surface of the upper shell 1 is abutted against the upper end surface of the lower shell 2, the sealing rib 3 is positioned in the sealing groove 4, the sealing rib and the sealing groove are matched to play a primary sealing role, and the sealing rubber strip 5 which is compressed between the bottom of the sealing groove 4 and the sealing rib 3 plays a main sealing role; the side faces of the sealing rib 3 and the sealing groove 4 do not need to be matched tightly, the requirement on machining precision is low, assembly is easy, lateral stress of the sealing rib 3 and the sealing groove 4 is small, the sealing rib is not prone to cracking during assembly and use, and reliability is good; the sealing rubber strip 5 is compressed and is respectively and tightly abutted against the bottom of the sealing groove 4 and the sealing rib 3, and compared with the sealing rubber strip which is matched with the side face of the sealing groove 4 through the sealing rib 3, the sealing rubber strip has a better sealing effect and is simpler to produce, manufacture and assemble; in addition, the lower end surface of the upper shell 1 is abutted with the upper end surface of the lower shell 2, the length of the sealing rib 3 and the depth of the sealing groove 4 can be controlled according to the compression amount of the sealing rubber strip 5 during manufacturing, so that the sealing rubber strip 5 can reach the expected compression amount as long as the lower end surface of the upper shell 1 is abutted with the upper end surface of the lower shell 2 during assembly, and the sealing rubber strip 5 is prevented from being excessively extruded to damage the sealing rubber strip 5 and the sealing groove 4 while the better sealing effect is ensured; the technical problems that the existing sealing structure of the automobile air-conditioning box is poor in reliability and high in production cost can be effectively solved.
Referring to fig. 4, the thickness of the sealing rib 3 is matched with the width of the sealing groove 4, and the free end of the sealing rib 3 and the bottom of the sealing groove 4 are both semi-arc surfaces and have matched sizes; like this, the thickness of sealing rib 3 matches with the width of seal groove 4, makes preliminary sealing effect has better effect, and sealing rib 3 and seal groove 4 are the semi-circular arc face with joint strip 5's contact surface, compare in the plane have bigger area of contact and more do benefit to joint strip 5 compressive deformation to possess better sealed effect.
Referring to fig. 4, the upper end surface of the outer wall of the sealing groove 4 is lower than the upper end surface of the lower housing 2; thus, even if the depth of the seal rib 3 actually inserted into the seal groove 4 is shallower, the assembly is simpler, and the possibility of the bend and fracture of the seal rib 3 at the time of assembly is smaller.
Referring to fig. 2, 5 and 6, the outer wall of the sealing groove 4 at two ends of the sealing groove 4 is provided with a limit notch 6 communicated with the outside of the air-conditioning box, the cross section of the sealing rubber strip 5 is circular, the width of the limit notch 6 is smaller than the diameter of the sealing rubber strip 5, and two ends of the sealing rubber strip 5 extend out of the air-conditioning box through the corresponding limit notches 6; therefore, the sealing rubber strip 5 is ensured to be paved in the whole sealing groove 4, and the length of the sealing rubber strip 5 is not required to be strictly controlled; the width of spacing breach 6 is less than joint strip 5's diameter, can go into corresponding end spacing breach 6 earlier with 5 one end cards of joint strip during the assembly, and joint strip 5 takes place the drunkenness when avoiding putting into joint strip 5 seal groove 4, further reduces the assembly degree of difficulty, improves production efficiency.
In this embodiment, referring to fig. 2, 3 and 5, an upper positioning plate 7 is formed by outwardly protruding an outer side surface of the sealing rib 3, a positioning hole vertically penetrating is formed in the upper positioning plate 7, a lower positioning plate 8 is formed by outwardly protruding an outer side surface of an outer wall of the sealing groove 4, a positioning column 9 corresponding to the positioning hole is formed by upwardly protruding the lower positioning plate 8, and the positioning column 9 upwardly penetrates through the positioning hole; an upper support lug 10 is formed on the outer side surface of the sealing rib 3 in an outward protruding mode, a lower support lug 11 corresponding to the upper support lug 10 is formed on the outer side surface of the outer wall of the sealing groove 4 in an outward protruding mode, and the upper support lug 10 is connected with the lower support lug 11 through a screw or a buckle; therefore, the upper shell 1 and the lower shell 2 are installed and positioned through the matching of the positioning columns 9 and the positioning holes, and then the upper shell 1 and the lower shell 2 are fixedly connected through the upper support lugs 10 and the lower support lugs 11.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions to the technical solutions of the present invention should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions.
Claims (6)
1. A sealing structure of an automobile air conditioning box comprises an upper shell and a lower shell, wherein a sealing rib which protrudes downwards and extends along the lower end face of the upper shell is arranged on the lower end face of the upper shell, a sealing groove which extends along the upper end face of the lower shell is formed in the upper end face of the lower shell, and the sealing rib is positioned in the sealing groove; the method is characterized in that: the compression is equipped with joint strip between the bottom of the free end of sealing muscle and seal groove, and the length of sealing muscle is less than the degree of depth of seal groove, goes up the lower terminal surface of casing and the up end butt of casing down in order to control joint strip's compressive capacity with the degree of depth matching through the length of sealing muscle and seal groove down.
2. The air conditioner case sealing structure of an automobile as set forth in claim 1, characterized in that: the thickness of the sealing rib is matched with the width of the sealing groove, and the free end of the sealing rib and the bottom of the sealing groove are both semi-arc surfaces and are matched in size.
3. The air conditioner case sealing structure of an automobile as set forth in claim 1, characterized in that: the upper end surface of the outer wall of the sealing groove is lower than the upper end surface of the lower shell.
4. The air conditioner case sealing structure of an automobile as set forth in claim 1, characterized in that: the spacing breach that communicates with the air-conditioning case outside is seted up on the seal groove outer wall in seal groove both ends, and the width of spacing breach is less than joint strip's diameter, and joint strip both ends stretch out to the air-conditioning case outside through the spacing breach that corresponds.
5. The sealing structure of an air conditioning box for an automobile according to claim 1, wherein: the lateral surface of sealed muscle is outwards protruding to be formed with the upper limb, and the lateral surface of seal groove outer wall is outwards protruding to be formed with the lower limb that corresponds with the upper limb, and the upper limb passes through screw or buckle connection with the lower limb.
6. The sealing structure of an air conditioning box for an automobile according to claim 1, wherein: the outer side surface of the sealing rib protrudes outwards to form an upper positioning plate, a vertical through positioning hole is formed in the upper positioning plate, the outer side surface of the outer wall of the sealing groove protrudes outwards to form a lower positioning plate, a positioning column corresponding to the positioning hole is formed in the lower positioning plate in an upward protruding mode, and the positioning column penetrates through the positioning hole upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191882.3U CN218430783U (en) | 2022-11-30 | 2022-11-30 | Sealing structure of automobile air conditioning box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191882.3U CN218430783U (en) | 2022-11-30 | 2022-11-30 | Sealing structure of automobile air conditioning box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218430783U true CN218430783U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223191882.3U Active CN218430783U (en) | 2022-11-30 | 2022-11-30 | Sealing structure of automobile air conditioning box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218430783U (en) |
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2022
- 2022-11-30 CN CN202223191882.3U patent/CN218430783U/en active Active
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