阅读说明：本技术 一种钢球旋转式油箱转换阀 (Steel ball rotation type oil tank change-over valve ) 是由 杨胜福 尚学虹 陈振华 吴升学 叶挺展 于 2020-07-27 设计创作，主要内容包括：本发明公开了一种钢球旋转式油箱转换阀,其特征在于,其包括：阀体(3)；设置在阀体(3)上的手柄(2)；设置在阀体(3)上的接口；设置在阀体(3)内的与所述手柄(2)顺序连接并机械联动的转动轴(8)、第一钢球(18)、连接轴(13)、第二钢球(15),当手柄(2)旋转一定角度时带动第一钢球(18)从原来的接口(A1)与接口(P1)通转换为接口(B1)与接口(P1)通；同时也带动第二钢球(15)从原来的接口(A2)与接口(P2)通转换为接口(B2)与接口(P2)通,从而从A油箱转换至B油箱。由于钢球的球面与密封塑料件是紧密压在一起,杂质无法跑到密封面上,从而影响密封,因此不会遭受柴油里的杂质影响。(The invention discloses a steel ball rotary type oil tank conversion valve, which is characterized by comprising the following components: a valve body (3); a handle (2) arranged on the valve body (3); an interface arranged on the valve body (3); the rotating shaft (8), the first steel ball (18), the connecting shaft (13) and the second steel ball (15) are arranged in the valve body (3) and are sequentially connected with the handle (2) and are in mechanical linkage, and when the handle (2) rotates for a certain angle, the first steel ball (18) is driven to be converted from the original joint (A1) and the joint (P1) into a joint (B1) and a joint (P1); meanwhile, the second steel ball (15) is also driven to be converted from the original communication between the interface (A2) and the interface (P2) to the communication between the interface (B2) and the interface (P2), so that the second steel ball is converted from the oil tank A to the oil tank B. Because the spherical surface of the steel ball and the sealing plastic part are tightly pressed together, impurities cannot run onto the sealing surface, so that sealing is affected, and the influence of impurities in diesel oil cannot be caused.)

1. A steel ball rotary fuel tank transfer valve, comprising: a valve body (3); a handle (2) arranged on the valve body (3); the interface is arranged on the valve body (3), and comprises an interface (A1) connected with an oil tank A, an interface (A2) connected with an oil return port of the oil tank A, an interface (B1) connected with an oil tank B, an interface (B2) connected with an oil return port of the oil tank B, an interface (P1) connected with an oil pump and an interface (P2) connected with an oil return pipe of an engine; a rotating shaft (8), a first steel ball (18), a connecting shaft (13) and a second steel ball (15) which are arranged in the valve body (3) and are sequentially connected with the handle (2) and are in mechanical linkage, wherein the first steel ball (18) and the second steel ball (15) are respectively arranged in two cavities in the valve body (3) in a sealing way,

when a user rotates the handle (2), the handle (2) drives the rotating shaft (8), the rotating shaft (8) drives the first steel ball (18) to rotate, the first steel ball (18) drives the connecting shaft (13), the connecting shaft (13) simultaneously drives the second steel ball (15) to rotate, and when the handle (2) rotates for a certain angle, the first steel ball (18) is driven to convert the original interface (A1) and the interface (P1) into the interface (B1) and the interface (P1); meanwhile, the second steel ball (15) is also driven to be converted from the original communication between the interface (A2) and the interface (P2) to the communication between the interface (B2) and the interface (P2), so that the second steel ball is converted from the oil tank A to the oil tank B.

2. The steel ball rotary tank switching valve as in claim 1, wherein the certain angle is 90 °.

3. The steel ball rotary tank switching valve according to claim 1, wherein a hole is formed in a left end surface of the valve body (3), the hole is connected to the two chambers, the rotating shaft (8) is disposed in the hole, a hole diameter of the hole is set to be large inside and small outside, and the rotating shaft (8) is installed from the inside of the valve body (3) to the outside.

4. Steel ball rotary tank switch valve according to claim 1, characterized in that the outer shape of the exposed part of the rotating shaft (8) near the left end face of the valve body (3) matches the hole shape of the handle (2), and a nut is provided on the outside of the handle (2), which is screwed and fixed in the rotating shaft (8) and whose end is pressed tightly against the handle (2), thereby preventing the handle (2) from being released when it is rotated.

5. The steel ball rotary oil tank conversion valve according to claim 1, wherein a first sealing sleeve (5) and a second sealing sleeve (16) are respectively arranged at the upper end and the lower end of the first steel ball (18) and the second steel ball (15) in the two cavities in the valve body (3), sealing grooves are respectively arranged at the outer edge parts of the first sealing sleeve (5) and the second sealing sleeve (16), and sealing rings (12) and (14) are respectively arranged in the sealing grooves, so that the first steel ball (18) and the second steel ball (15) are sealed with the valve body (3).

6. Steel ball rotary tank switch valve according to claim 1, characterised in that the handle (2) has a stop design, the stop being achieved by the outer edge of the handle (2) hitting the valve body (3).

7. The steel ball rotary type tank switching valve as claimed in claim 1, wherein a sealing groove is formed at an outer peripheral portion of the rotation shaft (8) corresponding to the opening of the valve body (3), an O-ring is formed in the sealing groove, a sealing groove is formed at an outer peripheral portion of the connection shaft (13) contacting the valve body, and an O-ring (17) is formed in the sealing groove.

8. The steel ball rotary type oil tank switching valve as claimed in claim 5, wherein a valve core (11) is respectively disposed above the first sealing sleeve (5) and the second sealing sleeve (16) to press the first sealing sleeve (5) and the second sealing sleeve (16) respectively, to prevent the first sealing sleeve (5) and the second sealing sleeve (16) from retreating, and a sealing groove is respectively disposed at outer edge portions of upper ends of the two valve cores (11), and a sealing ring (10) is respectively disposed in the groove.

9. The steel ball rotary tank switching valve according to claim 8, wherein a pressing block (9) is provided at the center of the upper end of the valve body (3), and the pressing block (9) presses two valve cores (11) in two cavities of the valve body (3) to prevent the valve cores (11) from moving upward.

10. An automobile having a steel ball rotary tank switch valve as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to an oil tank conversion valve, in particular to a steel ball rotary oil tank conversion valve.

Background

The oil tank conversion valve is used for controlling the oil passages of the double oil tanks of the automobile. The tank switching valve is also called a main-sub tank switching valve. The main and auxiliary oil tank conversion valve can realize the endurance function: when the user needs, the oil tank A and the oil tank B can be filled with 0 # diesel oil, the oil tank A is used for supplying oil to the engine, and the oil tank B is used for supplying oil to the engine after the oil in the oil tank A is used up. In addition, the main and auxiliary oil tank conversion valve can also realize the function of low-temperature starting: when the user is going to experience cold weather or stay overnight in a cold region, the user can fill the tank A with No. 0 diesel oil and the tank B with No. 35 diesel oil in advance. When cold weather comes or a driver needs to stop and rest in a cold region, before the engine is shut down, the main and auxiliary fuel tank switching valve is used for switching to a fuel tank B (-35 diesel) to cope with the cold weather. After the automobile is converted into the oil tank B, the automobile is required to be operated for a plurality of minutes to ensure that all the oil pipelines of the whole automobile are-35 diesel oil, so that the automobile can be normally started and driven after being flamed out.

The existing oil tank conversion valves at home and abroad are sealed by soft sealing rubber, and the valve gate is opened and closed by up-and-down movement. The disadvantage of this method is that when impurities enter the oil pipe or the interior of the valve body, the sealing effect of the change-over valve is affected, and the change-over valve fails. For example, fig. 1 is a schematic view of a structure of a tank switching valve in the related art. As shown in fig. 1, in the old sealing structure, when the motor or the handle is in the tank a, the upper valve port 19 is opened, the lower valve port 20 is closed, and impurities can appear at the first impurity surface 21; when the motor or handle is in the B tank, the upper port 19 is closed, the lower port 20 is opened, and impurities can appear at the second impurity surface 22.

Therefore, it is necessary to avoid the oil tank switching valve that the sealing effect of the switching valve is affected when impurities enter the oil pipe or the interior of the valve body, and the switching valve fails.

Disclosure of Invention

In order to solve the technical problem, the invention provides a steel ball rotary type oil tank conversion valve which is characterized by comprising the following components: a valve body 3; a handle 2 provided on the valve body 3; the interfaces are arranged on the valve body 3 and comprise an interface A1 connected with an oil tank A, an interface A2 connected with an oil return port of the oil tank A, an interface B1 connected with an oil tank B, an interface B2 connected with an oil return port of the oil tank B, an interface P1 connected with an oil pump and an interface P2 connected with an oil return pipe of an engine; a rotating shaft 8, a first steel ball 18, a connecting shaft 13 and a second steel ball 15 which are arranged in the valve body 3 and are sequentially connected with the handle 2 and are in mechanical linkage, wherein the first steel ball 18 and the second steel ball 15 are respectively arranged in two cavities in the valve body 3 in a sealing way,

when a user rotates the handle 2, the handle 2 drives the rotating shaft 8, the rotating shaft 8 drives the first steel ball 18 to rotate, the first steel ball 18 drives the connecting shaft 13, the connecting shaft 13 also drives the second steel ball 15 to rotate, and when the handle 2 rotates for a certain angle, the first steel ball 18 is driven to convert the original interface A1 and the interface P1 into an interface B1 and an interface P1; meanwhile, the second steel ball 15 is also driven to be converted from the original interface A2 to the interface P2 to the interface B2 to the interface P2, and therefore the second steel ball is converted from the oil tank A to the oil tank B.

Preferably, the steel ball rotary tank switch valve is characterised in that said certain angle is 90 °.

Preferably, the steel ball rotary type tank switching valve is characterized in that a hole is formed at the left end surface of the valve body 3, the hole is connected with the two chambers, the rotating shaft 8 is arranged in the hole, the hole diameter of the hole is set to be large inside and small outside, and the rotating shaft 8 is installed from the inside of the valve body 3 to the outside.

Preferably, the steel ball rotary type tank switching valve is characterized in that the outer shape of the exposed portion of the rotating shaft 8 near the left end surface of the valve body 3 is matched with the hole shape of the handle 2, and a nut is provided outside the handle 2, which is screwed and fixed in the rotating shaft 8 and whose tip is tightly pressed against the handle 2, thereby preventing the handle 2 from being released when rotated.

Preferably, the steel ball rotary type oil tank conversion valve is characterized in that a first sealing sleeve 5 and a second sealing sleeve 16 are respectively arranged at the upper end and the lower end of a first steel ball 18 and a second steel ball 15 in two cavities in the valve body 3, sealing grooves are respectively arranged at the outer edge parts of the first sealing sleeve 5 and the second sealing sleeve 16, and a sealing ring 12 and a sealing ring 14 are respectively arranged in the sealing grooves, so that the first steel ball 18 and the second steel ball 15 are sealed with the valve body 3.

Preferably, the steel ball rotary fuel tank switching valve is characterized in that the handle 2 has a limit design, and the limit is realized by touching the valve body 3 outside the handle 2.

Preferably, the steel ball rotary type tank switching valve is characterized in that a sealing groove is provided at an outer edge of the rotating shaft 8 corresponding to the opening of the valve body 3, an O-ring is provided in the sealing groove, a sealing groove is provided at an outer edge of the connecting shaft 13 contacting the valve body, and an O-ring 17 is provided in the sealing groove.

Preferably, the steel ball rotary type oil tank switching valve is characterized in that a valve core 11 is respectively arranged above the first sealing sleeve 5 and the second sealing sleeve 16 to respectively press the first sealing sleeve 5 and the second sealing sleeve 16 to prevent the first sealing sleeve 5 and the second sealing sleeve 16 from retreating, a sealing groove is respectively arranged at the outer edge part of the upper end of each of the two valve cores 11, and a sealing ring 10 is respectively arranged in each groove.

Preferably, the steel ball rotary type oil tank conversion valve is characterized in that a press block 9 is arranged at the center of the upper end of the valve body 3, and the press block 9 presses two valve cores 11 in two cavities of the valve body 3 to prevent the valve cores 11 from moving upwards.

The invention also provides an automobile which is provided with the steel ball rotary type oil tank conversion valve.

Compared with the existing oil tank conversion valve sealed by a sealing piece, the steel ball rotary oil tank conversion valve provided by the invention has the following specific advantages:

because the sphere of steel ball is closely pressed together with sealed working of plastics, impurity can't run to sealed face to can not be because of impurity influences sealed, consequently can not suffer from the impurity influence in the diesel oil.

Drawings

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

FIG. 1 is a schematic view of a prior art tank switching valve configuration;

FIG. 2 is a sectional view in the direction of B-B in FIG. 3 of the steel ball rotating tank switch valve of the present invention, showing a comparative schematic in the case of the A tank and in the case of the B tank;

FIG. 3 is a schematic view of the pipe connection of the steel ball rotating tank switching valve of the present invention;

fig. 4 is a sectional view in the direction of a-a in fig. 3 of the steel ball rotating tank switching valve of the present invention, showing a comparative schematic view at the time of a tank and at the time of B tank.

Fig. 5 is a C-C direction sectional view of fig. 3 of the steel ball rotating oil tank switching valve of the present invention shown in fig. 4, illustrating an internal structure of the steel ball rotating oil tank switching valve.

The reference numbers in the figures denote: 1: an upper housing; 2: a handle; 3: a valve body; 4: an O-shaped ring; 5: a first seal cartridge; 6: a waterproof pad; 7: an O-shaped ring; 8: a rotating shaft; 9: briquetting; 10: a seal ring; 11: a valve core; 12: a seal ring; 13: a connecting shaft; 14: a seal ring; 15: a second steel ball; 16: a second seal cartridge; 17: an O-shaped ring; 18: a first steel ball; 19: an upper valve port; 20: a lower valve port; 21: a first impurity face; 22: a second impurity face; a1, a2, B1, B2, P1, P2: an interface.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The embodiments in the present invention, other embodiments obtained by persons skilled in the art without any inventive work, belong to the protection scope of the present invention.

Fig. 2 is a sectional view in the direction of B-B in fig. 3 of the steel ball rotating tank switching valve of the present invention. As shown in figure 2, the steel ball rotary structure of the invention, when the handle 2 is in the oil tank A, the upper valve port 23 is opened, the lower valve port 24 is closed, and in the switching process, the sealing surface 25 is in a compressed state, and no impurities are generated. When the opening sweeps the sealing contact surface 25, even if certain fuel impurities are adhered to the contact surface, the opening part of the steel ball can scrape the impurities into the through hole when the steel ball is rotated, so that the impurities cannot exist on the sealing surface. When the handle 2 is in the B oil tank, the upper valve port 23 is closed, the lower valve port 24 is opened, and similarly, in the switching process, the sealing surfaces 25 are all in a compressed state, and impurities cannot appear. Thereby overcoming the problem of introducing impurities in the prior art.

Fig. 3 is a schematic view of the pipe connection of the steel ball rotating tank switching valve of the present invention. Fig. 2 and 4 are B-B direction and a-a direction sectional views of the steel ball rotating tank switching valve of the present invention in fig. 3, respectively, showing comparative schematic views of the handle 2 at a tank a and at B tank B.

As shown in fig. 3, an upper housing 1 is designed at the uppermost end of the valve body 3, and a mounting hole for connecting a switching valve with the entire vehicle is formed in the upper housing 1. In one embodiment, the upper housing 1 and the valve body 3 are fixed by four socket head cap screws. The handle 2 is disposed at one end of the valve body 3. In one embodiment, the handle 2 has a stop design, the stop being achieved by the outer edge of the handle 2 hitting the valve body 3.

As shown in fig. 2-4, when the handle 2 of the steel ball rotating oil tank change-over valve of the invention is positioned in the oil tank a, the port a1 of the change-over valve is connected with the oil tank a, the port P1 of the change-over valve is connected with one end of an oil pump, and the other end of the oil pump is connected with an engine; a port P2 of the switching valve is connected with an engine oil return pipe; port a2 is plumbed to the a tank return. When the engine starts, the oil pump is started to rotate to generate negative pressure to enable oil in the A oil tank to enter the switching valve from the port A1, leave the switching valve from the port P1 and enter the oil pump to the engine, and then oil which is not combusted by the engine enters the switching valve through the port P2, leaves the switching valve through the port A2 and returns to the A oil tank.

When the handle 2 of the steel ball rotating oil tank change-over valve is positioned in the oil tank B, a port B1 of the change-over valve is connected with the oil tank B, a port P1 of the change-over valve is connected with one end of an oil pump, and the other end of the oil pump is connected with an engine; a port P2 of the switching valve is connected with an engine oil return pipe; port B2 is plumbed to the B tank return. When the engine is started, the oil pump is started to rotate to generate negative pressure to enable oil in the B oil tank to enter the switching valve from the port B1, leave the switching valve from the port P1 and enter the oil pump to the engine, and then oil which is not combusted by the engine enters the switching valve through the port P2, leaves the switching valve through the port B2 and returns to the B oil tank.

In one embodiment, the steel ball rotating tank change-over valve of the present invention is not in the A tank or the B tank, and if there is a blow-by phenomenon during this time, the engine cannot be started.

Fig. 5 is a C-C direction sectional view of the steel ball rotating oil tank switching valve of the present invention, showing an internal structure of the steel ball rotating oil tank switching valve. The internal structure of the steel ball rotating cylinder change-over valve of the present invention will be described in further detail with reference to fig. 5.

As shown in fig. 5, the valve body 3 is designed with two chambers inside, and a hole is formed in the left end surface of the valve body 3 and connected to the two chambers. The rotating shaft 8 is disposed in the hole. In order to prevent the rotation shaft 8 from being removed outward, the hole is preferably formed to have a large inside diameter and a small outside diameter, and the rotation shaft 8 is installed outward from the inside of the valve body 3. The exposed portion of the rotating shaft 8 near the left end face of the valve body 3 has a shape matching the hole shape of the handle 2. In one embodiment, the exposed portion has a quadrilateral shape matching a quadrilateral aperture of the handle 2. Furthermore, a nut is provided on the outside of the handle 2, which is screwed tightly into the rotary shaft 8 and whose tip is pressed tightly against the handle 2, so that the handle 2 is prevented from loosening during rotation. In one embodiment, a seal groove is provided in an outer edge portion of the rotating shaft 8 corresponding to the opening of the valve body 3, and an O-ring is provided in the seal groove. In one embodiment, the O-rings include both O-rings 4 and 7.

The right end of the rotating shaft 8 is connected with a first steel ball 18 in the inner cavity of the valve body 3, and the right end of the first steel ball 18 is further connected with a connecting shaft 13. In one embodiment, a seal groove is provided in an outer edge portion of the connection shaft 13 that contacts the valve body, and an O-ring 17 is provided in the seal groove. The right end of the connecting shaft 13 is further connected with a second steel ball 15. The upper and lower ends of the first steel ball 18 and the second steel ball 15 in the two cavities in the valve body 3 are respectively provided with a first sealing sleeve 5 and a second sealing sleeve 16, the outer edge parts of the first sealing sleeve 5 and the second sealing sleeve 16 are respectively provided with a sealing groove, and a sealing ring 12 and a sealing ring 14 are respectively arranged in the sealing grooves.

A valve core 11 is arranged above two sealing sleeves, namely a first sealing sleeve 5 and a second sealing sleeve 16 respectively to press the first sealing sleeve 5 and the second sealing sleeve 16 respectively, the first sealing sleeve 5 and the second sealing sleeve 16 are prevented from retreating, a sealing groove is arranged at the outer edge part of the upper end of each valve core 11, and a sealing ring 10 is arranged in each groove. A pressing block 9 is arranged at the center of the upper end of the valve body 3, and the pressing block 9 presses two valve cores 11 in two cavities of the valve body 3 to prevent the valve cores 11 from moving upwards.

When a user rotates the handle 2, the handle 2 drives the rotating shaft 8, the rotating shaft 8 drives the first steel ball 18 to rotate, the first steel ball 18 drives the connecting shaft 13, and the connecting shaft 13 also drives the second steel ball 15 to rotate. When the handle 2 rotates a certain angle, for example 90 degrees, the first steel ball 18 is driven to be converted from the original communication between the interface A1 and the interface P1 into the communication between the interface B1 and the interface P1; meanwhile, the second steel ball 15 is also driven to be converted from the original interface A2 to the interface P2 to the interface B2 to the interface P2, and therefore the second steel ball is converted from the oil tank A to the oil tank B.

The steel ball rotary oil tank change-over valve can be used for mechanical equipment with double oil tanks, such as automobiles.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.