阅读说明：本技术 一种用于乘用车装配在地板上的排水密封装置 (Drainage sealing device for passenger car assembled on floor ) 是由 杜志林 王为才 赵健生 李苗 卞晓光 张宇琦 魏琦 张俊训 于 2020-06-12 设计创作，主要内容包括：一种用于乘用车装配在地板上的排水密封装置,包括相互连通的蒸发器排水底壳与排水机构；所述排水机构包括排水折管与排水护套,所述排水折管的一端与蒸发器排水底壳相互连通,排水折管的另一端穿经排水护套的中部后延伸至车身地板的下方,排水护套的侧围卡接在车身地板孔内,且排水折管、蒸发器排水底壳的连接处高于排水护套、车身地板孔的连接处。本设计不仅适用于油改气乘用车的排水,而且装配难度较低。(A water drainage sealing device for a passenger car assembled on a floor comprises an evaporator water drainage bottom shell and a water drainage mechanism which are communicated with each other; the drainage mechanism comprises a drainage folding pipe and a drainage sheath, one end of the drainage folding pipe is communicated with the drainage bottom shell of the evaporator, the other end of the drainage folding pipe penetrates through the middle of the drainage sheath and then extends to the lower part of the floor of the automobile body, the side wall of the drainage sheath is clamped in the hole of the floor of the automobile body, and the joint of the drainage folding pipe and the drainage bottom shell of the evaporator is higher than the joint of the drainage sheath and the floor hole of the automobile body. This design not only is applicable to the drainage of oil to gas passenger car, and the assembly degree of difficulty is lower moreover.)

1. A water drainage sealing device for a passenger car assembled on a floor comprises an evaporator water drainage bottom shell (1) and a water drainage mechanism which are communicated with each other, and is characterized in that:

the drainage mechanism comprises a drainage folding pipe (2) and a drainage sheath (3), one end of the drainage folding pipe (2) is communicated with the evaporator drainage bottom shell (1), the other end of the drainage folding pipe (2) penetrates through the middle of the drainage sheath (3) and then extends to the lower portion of the automobile body floor (4), the side wall of the drainage sheath (3) is clamped in an automobile body floor hole (41), and the joint of the drainage folding pipe (2) and the evaporator drainage bottom shell (1) is higher than the joint of the drainage sheath (3) and the automobile body floor hole (41).

2. A floor-mounted drain seal for a passenger vehicle according to claim 1, wherein: the drainage bent pipe (2) comprises a front transverse pipe (21), a middle inclined pipe (22), a middle transverse pipe (23), a rear straight pipe (24) and a rear longitudinal pipe (25), one end of the front transverse pipe (21) is communicated with the evaporator drainage bottom shell (1), the other end of the front transverse pipe (21) is communicated with the top end of the rear longitudinal pipe (25) after sequentially passing through the middle inclined pipe (22), the middle transverse pipe (23) and the rear straight pipe (24), and the bottom end of the rear longitudinal pipe (25) penetrates through the middle of the drainage sheath (3) and then extends to the lower side of the vehicle body floor (4); in height, the joints of the front transverse pipe (21) and the middle inclined pipe (22), the joints of the middle inclined pipe (22) and the middle transverse pipe (23), the joints of the rear longitudinal pipe (25) and the drainage sheath (3) are sequentially reduced;

the plane that preceding violently pipe (21), well pipe chute (22) are located is face (X) No. one, the plane that well violently pipe (23), back straight tube (24) are located is face (Y) No. two, the plane that back longitudinal tube (25) are located is face (Z) No. three, and face (X), face (Y) No. three, face (Z) are the plane in different position.

3. A floor-mounted drain seal for a passenger vehicle according to claim 2, wherein: the contained angle between a face (X) and No. two faces (Y) is the acute angle, contained angle between No. two faces (Y) and No. three faces (Z) is the right angle, the contained angle between horizontal pipe (21) and well pipe chute (22) is the obtuse angle before, well pipe chute (22) and well contained angle between violently managing (23) are the obtuse angle, back straight tube (24) and well violently manage (23), the contained angle between back longitudinal pipe (25) is the right angle.

4. A floor-mounted drain seal for a passenger vehicle according to claim 1, 2 or 3, wherein: the drainage sheath is characterized in that an upper insertion cavity (31) and a lower bonding cavity (32) are formed in the drainage sheath (3), the top of the upper insertion cavity (31) is flush with the top of the drainage sheath (3), the bottom of the upper insertion cavity (31) is communicated with the top of the lower bonding cavity (32), the bottom of the lower bonding cavity (32) is flush with the bottom of the drainage sheath (3), and the cavity wall of the lower bonding cavity (32) is bonded with the wall of the drainage bent pipe (2) located inside the lower bonding cavity.

5. A floor-mounted drain seal for a passenger vehicle according to claim 4, wherein: the diameter of the upper insertion cavity (31), the diameter of the lower bonding cavity (32) and the diameter of the drainage folded pipe (2) are sequentially reduced, and the part of the upper insertion cavity (31) communicated with the lower bonding cavity (32) is located in the middle of the bottom of the upper insertion cavity (31).

6. A floor-mounted drain seal for a passenger vehicle according to claim 4, wherein: drainage sheath (3) are including sheath flip (5) and sheath base (6), the top of sheath flip (5) is narrower than the bottom of sheath flip (5), the bottom of sheath flip (5) is connected with the top of sheath base (6), and the joint annular (7) of indent is seted up to the junction of sheath flip (5), sheath base (6).

7. A floor-mounted drain seal for a passenger vehicle according to claim 6, wherein: the top of the upper insertion cavity (31) is flush with the top of the sheath turnover cover (5), the bottom of the upper insertion cavity (31) extends to the inside of the sheath base (6), the top of the lower bonding cavity (32) is located inside the sheath base (6), and the bottom of the lower bonding cavity (32) is flush with the bottom of the sheath base (6).

8. A floor-mounted drain seal for a passenger vehicle according to claim 6, wherein: the sheath base (6) comprises an upper cone frustum (61) and a lower cone frustum (62), the upper cone frustum (61) is of a structure with a narrow top and a wide bottom, and the lower cone frustum (62) is of a structure with a wide top and a narrow bottom;

the bottom of the sheath flip cover (5) is provided with an inwards concave arc bottom surface (51), the middle part of the arc bottom surface (51) is connected with the top surface of the upper cone frustum (61), and the part of the arc bottom surface (51) surrounding the intersection joint of the arc bottom surface (51) and the upper cone frustum (61) and the side wall of the upper cone frustum (61) are clamped together to form a clamping ring groove (7).

9. A floor-mounted drain seal for a passenger vehicle according to claim 6, wherein: the clamping ring groove (7) is of an obliquely upward extending structure, and an outer opening (71) of the clamping ring groove (7) is lower than an inner top surface (72) of the clamping ring groove (7).

10. A floor-mounted drain seal for a passenger vehicle according to claim 1, 2 or 3, wherein: the vehicle body floor hole (41) is a raw plate welding positioning hole, and the vehicle body floor hole (41), the rear straight pipe (24) and the rear longitudinal pipe (25) are all positioned at the front ends (42) of the left floor and the right floor of the vehicle body floor (4).

Technical Field

The invention relates to a drainage sealing device for a vehicle, belongs to the field of vehicle body chassis sealing, and particularly relates to a drainage sealing device for a passenger vehicle assembled on a floor.

Background

Today, the automobile quality is increasingly heavier in the user's mind due to the rapid development of the automobile industry, and the ground clearance of the body chassis of the passenger car is relatively small, so that the water tightness of the body is particularly important. Water tightness: when the whole vehicle wades, the chassis of the vehicle body keeps watertight sealing performance and water leakage prevention capacity under the action of certain water pressure.

The existing electric passenger vehicle is developed on the basis of a fuel vehicle, for this reason, the floor needs to be developed again for matching the arrangement of a charging battery pack, the existing fuel vehicle air conditioner drainage structure is that an evaporator drainage port faces downwards, a circle of sponge is bonded on an evaporator drainage bottom shell, during assembly, an air blower assembly (with an evaporator) is assembled in a cab, then an air conditioner drainage pipe is clamped into an original drainage hole in the floor of the vehicle body from bottom to top from the bottom of the vehicle body to compress the sponge, so that the sealing effect is realized (water is prevented from flowing backwards from the lower part of the floor and water at the end of the evaporator is drained onto the floor in the cab). However, the electric vehicle needs to be provided with a power exchange system, and a metal plate needs to be welded at an original drain hole (located on a channel in the floor) to fix components of the power exchange system, so that the original drain mechanism cannot be used continuously.

The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to overcome the defects and problems of the prior art that the water draining sealing device is not suitable for the oil-to-gas passenger vehicle and has high assembly difficulty, and provides the water draining sealing device which is suitable for the oil-to-gas passenger vehicle and has low assembly difficulty and is used for assembling the passenger vehicle on the floor.

In order to achieve the above purpose, the technical solution of the invention is as follows: a water drainage sealing device for a passenger car assembled on a floor comprises an evaporator water drainage bottom shell and a water drainage mechanism which are communicated with each other;

the drainage mechanism comprises a drainage folding pipe and a drainage sheath, one end of the drainage folding pipe is communicated with the drainage bottom shell of the evaporator, the other end of the drainage folding pipe penetrates through the middle of the drainage sheath and then extends to the lower part of the floor of the automobile body, the side wall of the drainage sheath is clamped in the hole of the floor of the automobile body, and the joint of the drainage folding pipe and the drainage bottom shell of the evaporator is higher than the joint of the drainage sheath and the floor hole of the automobile body.

The drainage bent pipe comprises a front transverse pipe, a middle inclined pipe, a middle transverse pipe, a rear straight pipe and a rear longitudinal pipe, one end of the front transverse pipe is communicated with the drainage bottom shell of the evaporator, the other end of the front transverse pipe is communicated with the top end of the rear longitudinal pipe after sequentially passing through the middle inclined pipe, the middle transverse pipe and the rear straight pipe, and the bottom end of the rear longitudinal pipe penetrates through the middle of the drainage sheath and then extends to the position below the floor of the vehicle body; in height, the joints of the front transverse pipe and the middle inclined pipe, the joints of the middle inclined pipe and the middle transverse pipe, the joints of the rear longitudinal pipe and the drainage sheath are sequentially reduced;

the plane that preceding violently pipe, well pipe chute are located is the face No. one, the plane that well violently pipe, back straight tube are located is the face No. two, the plane that back longitudinal tube was located is the face No. three, and face No. one, face No. two, the face No. three are the plane in different position.

The included angle between the first surface and the second surface is an acute angle, the included angle between the second surface and the third surface is a right angle, the included angle between the front transverse pipe and the middle inclined pipe is an obtuse angle, the included angle between the middle inclined pipe and the middle transverse pipe is an obtuse angle, and the included angles between the rear straight pipe, the middle transverse pipe and the rear longitudinal pipe are right angles.

The drainage sheath is characterized in that an upper insertion cavity and a lower bonding cavity are formed in the drainage sheath, the top of the upper insertion cavity is flush with the top of the drainage sheath, the bottom of the upper insertion cavity is communicated with the top of the lower bonding cavity, the bottom of the lower bonding cavity is flush with the bottom of the drainage sheath, and the cavity wall of the lower bonding cavity is bonded with the wall of a drainage bent pipe in the lower bonding cavity.

The diameter of the upper insertion cavity, the diameter of the lower bonding cavity and the diameter of the drainage bent pipe are sequentially reduced, and the part of the upper insertion cavity, which is communicated with the lower bonding cavity, is located in the middle of the bottom of the upper insertion cavity.

The drainage sheath comprises a sheath turning cover and a sheath base, the top of the sheath turning cover is narrower than the bottom of the sheath turning cover, the bottom of the sheath turning cover is connected with the top of the sheath base, and the concave clamping ring groove is formed in the joint of the sheath turning cover and the sheath base.

The top of going up the inserted cavity is level with the top of sheath flip, goes up the bottom of inserted cavity and extends to the inside of sheath base, the top that bonds the chamber down is located the inside of sheath base, and the bottom that bonds the chamber down is level with the bottom of sheath base.

The sheath base comprises an upper cone frustum and a lower cone frustum, the upper cone frustum is of a structure with a narrow upper part and a wide lower part, and the lower cone frustum is of a structure with a wide upper part and a narrow lower part;

the bottom of the sheath flip cover is provided with an inwards concave arc bottom surface, the middle part of the arc bottom surface is connected with the top surface of the upper cone frustum, and the part of the arc bottom surface surrounding the joint of the arc bottom surface and the upper cone frustum and the side wall of the upper cone frustum are clamped together to form a clamping ring groove.

The joint annular is the structure that extends upwards to one side, the outer opening of joint annular is less than the interior top surface of joint annular.

The automobile body floor hole is a raw plate welding positioning hole, and the automobile body floor hole, the rear straight pipe and the rear longitudinal pipe are all located at the front ends of the left floor and the right floor of the automobile body floor.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to a water drainage sealing device which is used for a passenger car and assembled on a floor, comprising a drainage bent pipe and a drainage sheath, wherein one end of the drainage folding pipe is communicated with the drainage bottom shell of the evaporator, the other end of the drainage folding pipe passes through the drainage sheath, the side wall of the drainage sheath is clamped in a hole of the floor of the vehicle body, and the joint of the drainage bent pipe and the evaporator drainage bottom shell is higher than the joint of the drainage sheath and the vehicle body floor hole, the water introduced from the drain bottom shell of the evaporator is drained from the drain sheath by the drain folding pipe, the floor hole of the automobile body is not limited to the original installation position (the adjacent part below the drain bottom shell of the evaporator), the assembly difficulty is reduced, simultaneously, the drainage is rolled over the also tortuous span automobile body floor of pipe and is in order to counterpoint with the drainage sheath, has both realized basic drainage purpose, also can match the novel face on floor, avoids the driver to trample the drainage and rolls over the problem that the pipe so that the drainage is not smooth. Therefore, the invention is not only suitable for the drainage of the passenger car changing oil into gas, but also has lower assembly difficulty.

2. In the water drainage sealing device for the passenger car assembled on the floor, the floor hole of the car body is preferably an original floor welding positioning hole, and the crossing space of the drainage bent pipe is preferably the floor hole of the car body, the rear straight pipe and the rear longitudinal pipe which are all positioned at the front ends of the left floor and the right floor of the car body floor. Therefore, the invention has lower modification cost and lower assembly difficulty.

3. The invention relates to a water drainage sealing device which is used for a passenger car and assembled on a floor, an upper insertion cavity and a lower bonding cavity are sequentially arranged in a water drainage sheath from top to bottom, wherein the bottom of the upper insertion cavity is communicated with the top of the lower bonding cavity, the bottom of the lower bonding cavity is flush with the bottom of the drainage sheath, the cavity wall of the lower bonding cavity is bonded with the pipe wall of the drainage folded pipe positioned in the lower bonding cavity, when the drainage folded pipe is applied, the drainage folding pipe is inserted into the upper insertion cavity, then inserted into the lower bonding cavity, and then continuously descends to extend to the lower part of the floor of the vehicle body, the design is convenient for the initial insertion of the drainage folding pipe in the drainage sheath and the subsequent sealing, but also can improve the firmness of connection through the mutual adhesion of the lower adhesion cavity and the drainage bent pipe, but also can enhance the sealing between the lower bonding cavity and the drainage bent pipe, and is beneficial to improving the sealing effect of the overall design. Therefore, the invention has strong sealing effect and high connection firmness.

4. The invention relates to a water drainage sealing device for a passenger car assembled on a floor, wherein a water drainage sheath comprises a sheath flip cover and a sheath base, the top of the sheath flip cover is narrower than the bottom of the sheath flip cover, the bottom of the sheath flip cover is connected with the top of the sheath base, and the joint of the sheath flip cover and the sheath base is provided with an inwards concave clamping ring groove. Therefore, the invention not only has stronger connection firmness, but also has better water sealing effect.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view showing the connection between the drainage pipe and the drainage sheath in fig. 1.

FIG. 3 is a schematic view showing the structure of a drainage pipe according to the present invention.

Fig. 4 is a perspective view of the drainage sheath of the present invention.

FIG. 5 is a schematic perspective view of the drainage sheath of the present invention.

Fig. 6 is a front view of the drainage sheath of the present invention.

Fig. 7 is a cross-sectional view of fig. 6.

Fig. 8 is a schematic structural diagram of the first surface, the second surface and the third surface in the present invention.

In the figure: the drainage structure comprises a drainage bottom shell 1, a drainage folding pipe 2, a front transverse pipe 21, a middle inclined pipe 22, a middle transverse pipe 23, a rear straight pipe 24, a rear longitudinal pipe 25, a drainage sheath 3, an upper insertion cavity 31, a lower bonding cavity 32, a vehicle body floor 4, a vehicle body floor hole 41, left and right floor front ends 42, a sheath flip cover 5, an arc bottom surface 51, a sheath base 6, an upper conical frustum 61, a lower conical frustum 62, a clamping ring groove 7, an outer opening 71, an inner top surface 72, a first surface X, a second surface Y and a third surface Z.

Detailed Description

The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 8, a floor-mounted drain sealing device for a passenger car includes an evaporator drain pan 1 and a drain mechanism which communicate with each other;

the drainage mechanism comprises a drainage folding pipe 2 and a drainage sheath 3, one end of the drainage folding pipe 2 is communicated with the drainage bottom shell 1 of the evaporator, the other end of the drainage folding pipe 2 penetrates through the middle of the drainage sheath 3 and then extends to the lower side of the floor 4 of the automobile body, the side wall of the drainage sheath 3 is clamped in the floor hole 41 of the automobile body, and the joint of the drainage folding pipe 2 and the drainage bottom shell 1 of the evaporator is higher than the joint of the drainage sheath 3 and the floor hole 41 of the automobile body.

The drainage bent pipe 2 comprises a front transverse pipe 21, a middle inclined pipe 22, a middle transverse pipe 23, a rear straight pipe 24 and a rear longitudinal pipe 25, one end of the front transverse pipe 21 is communicated with the evaporator drainage bottom shell 1, the other end of the front transverse pipe 21 is communicated with the top end of the rear longitudinal pipe 25 after sequentially passing through the middle inclined pipe 22, the middle transverse pipe 23 and the rear straight pipe 24, and the bottom end of the rear longitudinal pipe 25 extends to the lower part of the vehicle body floor 4 after passing through the middle part of the drainage sheath 3; in height, the joints of the front transverse pipe 21 and the middle inclined pipe 22, the joints of the middle inclined pipe 22 and the middle transverse pipe 23, the joints of the rear longitudinal pipe 25 and the drainage sheath 3 are sequentially lowered;

the common plane of the front transverse pipe 21 and the middle inclined pipe 22 is a first plane X, the common plane of the middle transverse pipe 23 and the rear straight pipe 24 is a second plane Y, the common plane of the rear longitudinal pipe 25 is a third plane Z, and the first plane X, the second plane Y and the third plane Z are planes in different directions.

The included angle between a face X and No. two faces Y is the acute angle, the included angle between No. two faces Y and No. three faces Z is the right angle, the contained angle between preceding violently pipe 21 and the well pipe chute 22 is the obtuse angle, the contained angle between well pipe chute 22 and the well pipe chute 23 is the obtuse angle, the contained angle between back straight tube 24 and well pipe chute 23, the back vertical pipe 25 is the right angle.

The drainage sheath 3 is internally provided with an upper insertion cavity 31 and a lower bonding cavity 32, the top of the upper insertion cavity 31 is flush with the top of the drainage sheath 3, the bottom of the upper insertion cavity 31 is communicated with the top of the lower bonding cavity 32, the bottom of the lower bonding cavity 32 is flush with the bottom of the drainage sheath 3, and the cavity wall of the lower bonding cavity 32 is bonded with the wall of the drainage folded pipe 2 inside the lower bonding cavity.

The diameter of the upper insertion cavity 31, the diameter of the lower bonding cavity 32 and the diameter of the drainage bent pipe 2 are sequentially reduced, and the part of the upper insertion cavity 31 communicated with the lower bonding cavity 32 is located in the middle of the bottom of the upper insertion cavity 31.

The drainage sheath 3 comprises a sheath turning cover 5 and a sheath base 6, the top of the sheath turning cover 5 is narrower than the bottom of the sheath turning cover 5, the bottom of the sheath turning cover 5 is connected with the top of the sheath base 6, and the concave clamping ring groove 7 is formed in the joint of the sheath turning cover 5 and the sheath base 6.

The top of the upper insertion cavity 31 is flush with the top of the sheath flip cover 5, the bottom of the upper insertion cavity 31 extends to the inside of the sheath base 6, the top of the lower bonding cavity 32 is located inside the sheath base 6, and the bottom of the lower bonding cavity 32 is flush with the bottom of the sheath base 6.

The sheath base 6 comprises an upper cone frustum 61 and a lower cone frustum 62, the upper cone frustum 61 is of a structure with a narrow upper part and a wide lower part, and the lower cone frustum 62 is of a structure with a wide upper part and a narrow lower part;

the bottom of the sheath flip cover 5 is provided with an inwards concave arc bottom surface 51, the middle part of the arc bottom surface 51 is connected with the top surface of the upper circular truncated cone 61, and the part of the arc bottom surface 51 around the intersection joint of the arc bottom surface 51 and the upper circular truncated cone 61 and the side wall of the upper circular truncated cone 61 form a clamping ring groove 7.

Clamping ring groove 7 is the structure that extends upwards to one side, the interior top surface 72 that the outer opening 71 of clamping ring groove 7 is less than clamping ring groove 7.

The vehicle body floor hole 41 is a location plate welding location hole, and the vehicle body floor hole 41, the rear straight tube 24, and the rear vertical tube 25 are all located on the left and right floor front ends 42 of the vehicle body floor 4.

The principle of the invention is illustrated as follows:

the invention mainly comprises a drainage folded pipe 2 and a drainage sheath 3, wherein one end of the drainage folded pipe 2 is connected with a drainage bottom shell 1 of an evaporator, the other end of the drainage folded pipe 2 is inserted into the drainage sheath 3, the drainage folded pipe 2 and the drainage sheath 3 are mutually bonded while being inserted, the drainage sheath 3 is plugged into a floor hole 41 of a vehicle body, a sheath flip cover 5 in the drainage sheath 3 plays a limiting role in the plugging process, so that the drainage sheath 3 is clamped in the floor hole 41 of the vehicle body, the drainage sheath 3 is in interference fit with the floor hole 41 of the vehicle body, in addition, the sheath flip cover 5 also plays a role in compressing a metal plate of the floor of the vehicle body so as to increase the sealing performance, therefore, the design not only can avoid the assembly difficulty, but also can achieve the effect of preventing water leakage.