CN215979590U

CN215979590U - Auxiliary water tank structure, cooling system and vehicle body

Info

Publication number: CN215979590U
Application number: CN202121967086.7U
Authority: CN
Inventors: 王明
Original assignee: Jiangmen Dachangjiang Group Co Ltd
Current assignee: Jiangmen Dachangjiang Group Co Ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-08
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an auxiliary water tank structure, a cooling system and a vehicle body, wherein the auxiliary water tank structure comprises a tank body and a tank cover, and the tank body is provided with a liquid feeding hole and a vent hole; the case lid is equipped with and stretches into the structure, and the case lid can be covered and establish on the box to make at least a part that stretches into the structure stretch into in the liquid feeding hole, stretch into the structure and be equipped with and keep off liquid spare, keep off liquid spare and the pore wall clearance fit in liquid feeding hole or keep off liquid spare and the inner wall clearance fit of box. The cooling system and the vehicle body both comprise auxiliary water tank structures. When the automobile body rocked, the coolant liquid can fluctuate, because the setting of keeping off the liquid spare for undulant coolant liquid receives the restriction that keeps off the liquid spare, is difficult to reach the position of air vent, thereby has avoided the automobile body to rock the time coolant liquid from the loss of air vent department, and then reduces the consumption of coolant liquid, simultaneously, because keep off the pore wall clearance fit of liquid spare and liquid feeding hole or keep off the inner wall clearance fit of liquid spare and box, from and not influencing the intercommunication between the inner chamber of air vent and box.

Description

Auxiliary water tank structure, cooling system and vehicle body

Technical Field

The utility model relates to the technical field of cooling systems, in particular to an auxiliary water tank structure, a cooling system and a vehicle body.

Background

The vehicle body (such as an automobile or a motorcycle) is provided with an engine cooling system which comprises a main water tank and an auxiliary water tank, wherein the main water tank comprises a cooling circulation system including a radiator and the like, and the auxiliary water tank is communicated with the main water tank through a pipeline so as to adjust the volume fluctuation of cooling liquid caused by temperature change and supplement the consumption of the cooling liquid in the main water tank.

However, when the vehicle body shakes (e.g., during driving), the coolant in the sub-tank shakes, and the shaking easily causes the coolant to reach the vent hole and flow out or dissipate, thereby causing unnecessary waste of the coolant, accelerating consumption of the coolant, and finally causing a reduction in cooling capacity of the cooling system due to insufficient coolant.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is desirable to provide a structure of a sub-tank, a cooling system and a vehicle body; the auxiliary water tank structure can reduce the consumption of cooling liquid caused by the shaking of the vehicle body; the cooling system adopts the auxiliary water tank structure, so that the reduction of cooling capacity caused by the consumption of cooling liquid due to the shaking of the vehicle body can be avoided, and the cooling capacity is ensured; this automobile body adopts aforementioned cooling system, can avoid because of the automobile body rocks the coolant liquid consumption problem that leads to.

The technical scheme is as follows:

an embodiment provides a structure of a sub-tank including:

the box body is provided with a liquid feeding hole and a vent hole;

the case lid, the case lid is equipped with stretches into the structure, the case lid can be covered and establish on the box, so that at least a part that stretches into the structure stretches into in the liquid feeding hole, it is equipped with fender liquid spare to stretch into the structure, keep off liquid spare with the pore wall clearance fit in liquid feeding hole or keep off liquid spare with the inner wall clearance fit of box.

Above-mentioned expansion tank structure, the inner chamber of box is used for holding the coolant liquid, the case lid is established and is sealed the liquid feeding hole and make to stretch into at least partly of structure and stretch into in the liquid feeding hole on the box, when the automobile body rocked, the coolant liquid can fluctuate, because the setting of fender liquid spare, make undulant coolant liquid receive the restriction that keeps off liquid spare, be difficult to reach the position of air vent, thereby coolant liquid runs off from air vent department when having avoided the automobile body to rock, and then reduce the consumption of coolant liquid, and simultaneously, because the pore wall clearance fit of keeping off liquid spare and liquid feeding hole or the inner wall clearance fit of keeping off liquid spare and box, from and not influencing the intercommunication between the inner chamber of air vent and box.

The technical solution is further explained below:

in one embodiment, the box is provided with a liquid feeding end, the liquid feeding end protrudes out of the box, the liquid feeding hole penetrates through the liquid feeding end, the vent hole is formed in the side of the liquid feeding end, the liquid blocking piece is arranged on one side, far away from the box cover, of the extending structure, and the liquid blocking piece is located between the vent hole and the inner cavity of the box.

The liquid feeding end is used as a base body provided with the liquid feeding hole, the vent hole is formed in the side portion of the liquid feeding end, the liquid blocking piece is arranged on one side, close to the inner cavity of the box body, of the vent hole, and therefore the liquid blocking piece can block cooling liquid in the inner cavity from reaching the vent hole when the cooling liquid shakes, and the effect of preventing the cooling liquid from running off is achieved.

In one embodiment, the liquid blocking member is a liquid blocking convex ring arranged on the extending structure, and the liquid blocking convex ring is arranged around the periphery of the extending structure.

The liquid blocking piece surrounds the periphery extending into the structure to form a convex ring structure, so that the cooling liquid under the shaking condition is effectively prevented from reaching the air vent, and the loss of the cooling liquid is effectively avoided.

In one embodiment, the outer edge of the liquid blocking member is provided with a notch.

The notch is arranged for better ventilation between the inner cavity of the box body and the vent hole so as to ensure that the ventilation is smoother, and simultaneously, the cooling liquid in the inner cavity is prevented from gathering near the liquid blocking piece or at the hole position of the liquid feeding hole, particularly at the upper part of the hole.

In one embodiment, the gaps are at least two and are arranged at intervals.

To better achieve aeration and prevent coolant from collecting, at least two notches are provided.

In one embodiment, the notch is arranged on the side of the liquid baffle opposite to the vent hole.

Because keep off liquid spare and need play the effect that blocks the coolant liquid in the inner chamber and reach the air vent, consequently, set up the breach in the one side of keeping off liquid spare that the air vent dorsad, then can realize better synchronization on the one hand, avoid the coolant liquid gathering, on the other hand can effectually block again that the coolant liquid reachs the air vent under the condition of rocking, realizes ventilative and the dual technological effect who blocks.

In one embodiment, the extending structure is further provided with a sealing part, the sealing part is used for being in sealing fit with the inner wall of the liquid adding hole, and the sealing part and the liquid blocking part are respectively located on two opposite sides of the vent hole.

When the box cover is arranged on the box body, the extending structure extends into the liquid feeding hole, and at the moment, the sealing part is in sealing fit with the inner wall of the liquid feeding hole so as to realize the sealing effect on the liquid feeding hole; simultaneously, sealing and fender liquid spare correspond respectively in the relative both sides of air vent for the sealing plays sealed effect, does not influence the function of ventilating between the inner chamber of box and the air vent, keeps off liquid spare simultaneously and plays the effect that blocks the coolant liquid that shakes and reach the air vent again, reaches sealed and the dual technological effect who blocks.

In one embodiment, the extending structure is an extending cylinder, the liquid adding hole is a circular hole, and the sealing part is a sealing convex ring arranged around the extending cylinder.

The sealing convex ring is sealed with the inner wall of the liquid feeding hole, and a reliable sealing effect is achieved.

Another embodiment provides a cooling system comprising the subtank structure according to any one of the above-mentioned aspects.

The cooling system adopts the auxiliary water tank structure in any one of the technical schemes, the reduction of cooling capacity caused by the consumption of cooling liquid due to the shaking of the vehicle body can be avoided, and the cooling capacity is ensured.

Still another embodiment provides a vehicle body including a cooling system as described above.

The cooling system of the automobile body adopting the technical scheme can avoid the problem of cooling liquid consumption caused by the shaking of the automobile body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Furthermore, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements in the drawings are drawn only by way of example, and not necessarily to true scale.

FIG. 1 is a schematic view of an entire structure of a sub-tank according to an embodiment of the present invention;

FIG. 2 is an exploded view of the sub-tank structure in the embodiment of FIG. 1;

FIG. 3 is an overall sectional view of the structure of the auxiliary tank in the embodiment of FIG. 1;

FIG. 4 is a sectional view showing the entire structure of the cover in the embodiment of FIG. 1;

FIG. 5 is a schematic view of the overall structure of the case cover in the embodiment of FIG. 1;

FIG. 6 is a top view of the overall structure of the cover of the embodiment of FIG. 1;

fig. 7 is a top view of the overall structure of a cover according to another embodiment of the present invention.

Reference is made to the accompanying drawings in which:

100. a box body; 110. a liquid adding end; 111. a liquid adding hole; 112. a second convex ring; 120. a venting end; 121. a vent hole; 130. an inner cavity; 200. a box cover; 210. a reach-in structure; 211. a sealing part; 212. a liquid blocking member; 213. a notch; 220. a first convex ring; 230. an auxiliary handle.

Detailed Description

Embodiments of the present invention are described in detail below with reference to the accompanying drawings:

in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1 to 3, an embodiment provides a structure of a sub-tank, including a tank body 100 and a tank cover 200. Wherein:

in the embodiment shown in fig. 3, the tank 100 is provided with a filling hole 111 and a vent hole 121.

As shown in fig. 3, the tank 100 has an inner cavity 130 for containing a cooling liquid. The tank 100 is provided with a liquid feeding hole 111 at the upper part thereof for feeding a cooling liquid, and the tank 100 is further provided with a vent hole 121, and the vent hole 121 is communicated with the inner cavity 130 of the tank 100 for ventilation.

In the embodiment shown in fig. 2 and 3, the case cover 200 is provided with an extending structure 210, the case cover 200 can be covered on the case body 100, so that at least a part of the extending structure 210 extends into the liquid adding hole 111, the extending structure 210 is provided with a liquid blocking member 212, and the liquid blocking member 212 is in clearance fit with the hole wall of the liquid adding hole 111 or the liquid blocking member 212 is in clearance fit with the inner wall of the case body 100.

As shown in fig. 2 and 3, the lower side of the box cover 200 is provided with the extending structure 210, when the box cover 200 is covered on the box body 100, at least a part of the extending structure 210 extends into the liquid adding hole 111, at this time, the edge of the liquid blocking member 212 is in clearance fit with the hole wall of the liquid adding hole 111 (or the edge of the liquid blocking member 212 is in clearance fit with the inner wall of the box body 100), when the coolant in the inner cavity 130 of the box body 100 shakes, the liquid blocking member 212 blocks the coolant from flowing upward, so as to block the coolant from reaching the vent hole 121, and the coolant is prevented from flowing out through the vent hole 121.

This auxiliary water tank structure, the inner chamber 130 of box 100 is used for holding the coolant liquid, case lid 200 lid is established and is sealed the liquid feeding hole 111 on box 100 and make and stretch into at least partly of structure 210 and stretch into in the liquid feeding hole 111, when the automobile body rocks, the coolant liquid can fluctuate, because the setting of fender liquid piece 212, make undulant coolant liquid receive the restriction of fender liquid piece 212, be difficult to reach the position of air vent 121, thereby coolant liquid from air vent 121 loss when having avoided the automobile body to rock, and then reduce the consumption of coolant liquid, simultaneously, because keep off the pore wall clearance fit of liquid piece 212 and liquid feeding hole 111 or keep off the inner wall clearance fit of liquid piece 212 and box 100, from and not influencing the intercommunication between air vent 121 and the inner chamber 130 of box 100.

In one embodiment, referring to fig. 2 and 3, the box body 100 is provided with a liquid adding end 110, the liquid adding end 110 is disposed to protrude from the outer side of the box body 100, the liquid adding hole 111 is disposed to penetrate through the liquid adding end 110, the vent hole 121 is disposed at a side portion of the liquid adding end 110, the liquid blocking member 212 is disposed at a side of the extending structure 210 away from the box cover 200, and the liquid blocking member 212 is located between the vent hole 121 and the inner cavity 130 of the box body 100.

The liquid adding end 110 serves as a base body provided with the liquid adding hole 111, the vent hole 121 is arranged on the side portion of the liquid adding end 110, and the liquid blocking piece 212 is arranged on one side, close to the inner cavity 130 of the box body 100, of the vent hole 121, so that the liquid blocking piece 212 can block the cooling liquid in the inner cavity 130 from reaching the vent hole 121 when shaking, and the effect of preventing the cooling liquid from flowing away is achieved.

In the embodiment shown in fig. 2 and 3, the upper side of the box 100 is provided with a filling end 110, the filling end 110 is disposed in a cylindrical shape, and a filling hole 111 is longitudinally disposed through the filling end 110 and communicates the filling hole 111 with the inner cavity 130 of the box 100.

In the embodiment shown in fig. 2 and 3, the vent hole 121 is opened at the side of the filling end 110, and the liquid stopper 212 is correspondingly arranged between the vent hole 121 and the inner cavity 130 of the box body 100. It can also be understood that, in the view shown in fig. 3, the liquid stopper 212 is located below the position of the vent hole 121 to block the coolant below from flowing upward in the event of sloshing, so as to prevent the coolant from reaching the vent hole 121.

In one embodiment, referring to fig. 3 to 6, the liquid blocking member 212 is a liquid blocking collar disposed on the extending structure 210, and the liquid blocking collar is disposed around the periphery of the extending structure 210.

The liquid blocking piece 212 surrounds the periphery of the extending structure 210 to form a convex ring structure, so that the cooling liquid under the shaking condition is effectively prevented from reaching the vent hole 121, and the loss of the cooling liquid is effectively avoided.

As shown in fig. 4, the liquid blocking member 212 is disposed at the lowest end of the extending structure 210, and the liquid blocking member 212 is disposed at the periphery of the extending structure 210 in a ring shape and forms a liquid blocking convex ring, which is equivalent to an annular baffle disposed at the outer side of the extending structure 210, so as to block the coolant during shaking.

In one embodiment, the liquid blocking convex ring is in clearance fit with the inner wall of the liquid feeding hole 111, and the liquid blocking convex ring is a circular ring.

Optionally, the outer diameter of the liquid stop collar is smaller than the hole diameter of the liquid feeding hole 111 to facilitate assembly.

In one embodiment, referring to fig. 5 and 6, the outer edge of the liquid blocking member 212 is provided with a notch 213.

The notch 213 is provided to allow better ventilation between the inner chamber 130 of the container body 100 and the vent hole 121, so as to allow smooth ventilation, and also prevent the coolant in the inner chamber 130 from being collected near the liquid stopper 212 or at the hole position of the filling hole 111, particularly at the upper portion of the hole.

In the embodiment shown in fig. 5, the outer edge of the liquid blocking member 212 (or the ring edge of the liquid blocking collar) is provided with a notch 213 to facilitate ventilation between the inner cavity 130 of the box 100 and the vent hole 121.

In the embodiment shown in fig. 5, the notch 213 may be a square notch 213. Of course, the notch 213 may be a circular notch 213.

In one embodiment, referring to fig. 7, at least two of the notches 213 are disposed at intervals.

To better achieve venting and prevent coolant from collecting, at least two indentations 213 are provided.

In the embodiment shown in fig. 7, unlike fig. 6, only one notch 213 is provided in fig. 6, and two notches 213 are provided in fig. 7, and the two notches 213 are spaced around the circumference of the liquid blocking member 212.

According to the actual requirement, at least one, such as one, two or three, is provided to the gap 213 for better ventilation.

In one embodiment, referring to fig. 2 and 3, the notch 213 is disposed on a side of the liquid blocking member 212 facing away from the vent 121.

Because liquid blocking piece 212 needs to play the effect of blocking the coolant in inner chamber 130 from reaching vent hole 121, consequently, set up breach 213 in the one side of liquid blocking piece 212 that faces away from vent hole 121, then can realize better synchronization on the one hand, avoid the coolant liquid gathering, on the other hand can effectually block again that the coolant liquid reaches vent hole 121 under the condition of rocking, realizes ventilative and the dual technological effect who blocks.

In the view shown in fig. 2 and 3, the vent hole 121 is on the left side of the filling end 110, and the notch 213 is provided on the right side of the liquid stop collar, just on the side facing away from the vent hole 121 of the liquid stop collar. With such an arrangement, the inner cavity 130 of the box 100 can be ventilated not only through the gap between the liquid blocking convex ring and the inner wall of the liquid adding hole 111, but also through the notch 213; meanwhile, because the notch 213 is on the side away from the vent hole 121, even if the coolant in the inner cavity 130 of the box 100 shakes and flows further upward through the notch 213, it is difficult to further reach the position of the left vent hole 121, so that not only is reliable ventilation realized, but also effective blocking of the coolant is ensured.

In one embodiment, referring to fig. 2 to 6, the protruding structure 210 is further provided with a sealing portion 211, the sealing portion 211 is configured to be in sealing fit with an inner wall of the liquid adding hole 111, and the sealing portion 211 and the liquid blocking member 212 are respectively located on two opposite sides of the vent hole 121.

When the box cover 200 is covered on the box body 100, the extending structure 210 extends into the liquid adding hole 111, and at the moment, the sealing part 211 is in sealing fit with the inner wall of the liquid adding hole 111 to realize the sealing effect on the liquid adding hole 111; meanwhile, the sealing part 211 and the liquid blocking piece 212 respectively correspond to two opposite sides of the vent hole 121, so that the sealing part 211 plays a sealing role without affecting the ventilation function between the inner cavity 130 of the box body 100 and the vent hole 121, and the liquid blocking piece 212 plays a role in blocking the coolant in shaking from reaching the vent hole 121, thereby achieving the dual technical effects of sealing and blocking.

In the embodiment shown in fig. 3, when the cover 200 covers the liquid adding end 110 above the box 100, the extending structure 210 of the cover 200 extends into the liquid adding hole 111, and the sealing part 211 is tightly attached to the inner wall of the liquid adding hole 111 to form a sealing structure, so as to realize the sealing function of the liquid adding hole 111.

In the embodiment shown in fig. 3, the liquid barrier 212 and the sealing portion 211 are spaced apart along the length of the intrusion structure 210. In the view shown in fig. 3, the sealing portion 211 is disposed at the upper side of the protrusion structure 210, the liquid blocking member 212 is disposed at the lower side of the protrusion structure 210, and the vent hole 121 corresponds to a position between the sealing portion 211 and the liquid blocking member 212, so that the liquid blocking member 212 functions to block the coolant from reaching the vent hole 121.

In one embodiment, referring to fig. 2 to 6, the extending structure 210 is an extending cylinder, the liquid adding hole 111 is a circular hole, and the sealing portion 211 is a sealing convex ring disposed around the extending cylinder.

The sealing convex ring is sealed with the inner wall of the liquid feeding hole 111, and the reliable sealing function is achieved.

In the embodiment shown in fig. 4 and 5, the extending structure 210 is a cylinder, the liquid adding hole 111 is a circular hole, the sealing portion 211 is a sealing convex ring surrounding the periphery of the extending cylinder, and when the extending structure 210 extends into the liquid adding hole 111, the sealing convex ring is tightly attached to the inner wall of the liquid adding hole 111 to seal the liquid adding hole 111.

In one embodiment, referring to fig. 4 and 5, at least two sealing portions 211 are provided, the sealing portions 211 are spaced apart along the length direction of the protruding structure 210, and all the sealing portions 211 are located between the vent holes 121 and the case cover 200.

In the embodiment shown in fig. 4 and 5, two sealing portions 211 are provided, two sealing portions 211 are arranged at intervals up and down along the length direction of the extending structure 210, and all the sealing portions 211 are sealing convex rings.

As shown in fig. 3 and 4, the sealing part 211 at the lowest side is still located at the upper side of the vent hole 121, so as to avoid that the sealing part 211 is sealed with the lower side of the filling hole 111 and the ventilation function between the inner cavity 130 of the box 100 and the vent hole 121 cannot be realized.

In one embodiment, the outer diameters of the at least two sealing collars are not equal.

In one embodiment, the outer diameter of at least one sealing collar is larger than the hole diameter of the filler hole 111 for better sealing.

In one embodiment, referring to fig. 3, the sealing ring is in interference fit with the wall of the filling hole 111.

In the embodiment shown in fig. 3, the sealing convex ring and the filling hole are in interference fit to achieve a better sealing effect.

In one embodiment, referring to fig. 3 to 5, the cover 200 is a circular cover plate, and a first protruding ring 220 is disposed on an outer edge of the cover plate, and the first protruding ring 220 protrudes toward a side of the structure 210.

In one embodiment, referring to fig. 2 and fig. 3, a second protruding ring 112 is disposed at an end of the liquid adding end 110 away from the tank 100, the second protruding ring 112 extends toward an outer side of the liquid adding end 110, and the second protruding ring 112 and the first protruding ring 220 are correspondingly disposed for limiting and matching.

In the embodiment shown in fig. 3, when the cover 200 is placed over the filling end 110 of the box 100, the second collar 112 is in a positive fit with the first collar 220.

In one embodiment, referring to fig. 1 to 6, an auxiliary handle 230 is further disposed on a side portion of the case cover 200.

Alternatively, the auxiliary handle 230 is integrally formed with the cover 200, and the auxiliary handle 230 may be disposed in a triangle-like shape.

Another embodiment provides a cooling system including a subtank structure as described in any one of the above embodiments.

This cooling system adopts aforementioned any one technical scheme the expansion tank structure, can avoid rocking the cooling capacity that leads to that the coolant liquid consumes to descend because of the automobile body, guarantee the cooling capacity.

It should be noted that:

the cooling system is particularly suitable for automobile bodies such as automobiles, motorcycles and the like.

Yet another embodiment provides a vehicle body including a cooling system as described in the previous embodiments.

This automobile body adopts aforementioned technical scheme cooling system, can avoid rocking the coolant liquid consumption problem that leads to because of the automobile body.

The vehicle body can be an automobile, a motorcycle and the like, so that the problem of increased coolant consumption caused in the shaking process of the vehicle body is solved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A structure of a subtank, comprising:

the box body is provided with a liquid feeding hole and a vent hole;

2. The structure of the auxiliary water tank as claimed in claim 1, wherein the tank body is provided with a liquid adding end, the liquid adding end protrudes out of the outside of the tank body, the liquid adding hole penetrates through the liquid adding end, the vent hole is formed in the side portion of the liquid adding end, the liquid blocking member is arranged on one side of the extending structure, away from the tank cover, and the liquid blocking member is located between the vent hole and the inner cavity of the tank body.

3. The structure of the auxiliary tank as claimed in claim 2, wherein the liquid blocking member is a liquid blocking collar provided on the protruding structure, the liquid blocking collar being provided around an outer circumference of the protruding structure.

4. The structure of the supporting water tank as claimed in claim 3, wherein the outer edge of the liquid stopper is provided with a notch.

5. The structure of the auxiliary water tank as claimed in claim 4, wherein the notches are provided in at least two and spaced apart positions.

6. The structure of the supporting water tank as claimed in claim 4, wherein the notch is formed on a side of the liquid stopper facing away from the air vent hole.

7. The structure of any one of claims 1 to 6, wherein the inlet structure is further provided with a sealing portion for sealing engagement with an inner wall of the filling hole, and the sealing portion and the liquid blocking member are respectively located on opposite sides of the vent hole.

8. The structure of the auxiliary water tank as claimed in claim 7, wherein the protrusion structure is a protrusion cylinder, the filling hole is a circular hole, and the sealing portion is a sealing convex ring disposed around the protrusion cylinder.

9. A cooling system comprising the subtank structure according to any one of claims 1 to 8.

10. A vehicle body characterized by comprising a cooling system according to claim 9.