Sealing device for gap bridge box

Abstract

The utility model relates to the technical field of gap bridge boxes, in particular to a sealing device for a gap bridge box, which comprises a box body, a radiating block, a sealing shell, a sealing assembly and an auxiliary assembly, the sealing shell is installed at the top end of the box body and covers the upper end face of the box body. The upper portion and the lower portion of the sealing assembly are arranged on the connected end face between the box body and the sealing shell respectively and surround the middle of the box body and the middle of the sealing shell. The upper portion and the lower portion of the auxiliary assembly are arranged on the connected end faces between the box body and the sealing shell respectively. The plurality of heat dissipation blocks are arranged on the outer side of the box body at equal intervals, so that the outer surface area of the box body is increased, the heat dissipation efficiency is improved, when the sealing shell is installed on the box body, the upper portion and the lower portion of the auxiliary assembly are connected in an attached mode, the sealing effect is achieved between the box body and the sealing shell, and meanwhile the upper portion and the lower portion of the sealing assembly are connected. The inner side and the outer side of the sealing assembly further seal the sealing shell and the box body, and the sealing effect between the sealing shell and the box body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge boxes, in particular to a sealing device for a bridge box. Background Art

[0002] The axle box is an important component of the car and plays a vital role in the operation of the car. It has a bridge housing volume and a differential transmission assembly installed inside the bridge housing.

[0003] A Chinese patent document with authorization publication number CN212744986U discloses a sealing device for a bridge box, including a bridge box body, a driving gear groove is provided on the front end outer surface of the bridge box body, a first anti-loosening bolt is provided on the front end outer surface of the driving gear groove, a bolt groove, a first sub-gear groove and a second sub-gear groove are provided on the upper end outer surface of the bridge box body, the first sub-gear groove is located on one side of the bolt groove, and the second sub-gear groove is located on the other side of the bolt groove, and a sealing mechanism is provided on the upper end outer surface of the bridge box body.

[0004] However, when the above scheme is in use, it is fixed by the second anti-loosening bolt at the upper end of the sealing device shell and the bolt groove, and the internal air is extracted through the vacuum valve, and a semi-vacuum state is formed inside the bridge box body. Through the action of pressure, it is pressed against the upper end of the bridge box body to achieve a sealing effect. However, due to the characteristics of the one-way air layer (such as a breathable one-way membrane) and the semi-vacuum state formed inside the bridge box body, when the sealing device shell is sealed against the bridge box body by pressure, the heat inside the bridge box body cannot be quickly dissipated through the heat dissipation device. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and propose a sealing device for a bridge box.

[0006] The technical solution of the utility model is: a sealing device for a bridge box, comprising a box body, a heat dissipation block, a sealing shell, a sealing component and an auxiliary component;

[0007] The sealing shell is installed on the top of the box body and covers the upper end surface of the box body;

[0008] The upper and lower parts of the sealing assembly are respectively arranged on the end surfaces connected between the box body and the sealing shell, and are arranged around the middle of the box body and the sealing shell;

[0009] The upper and lower parts of the auxiliary assembly are respectively arranged on the end surfaces connecting the box body and the sealing shell, and are located at the outer edge of the sealing assembly and arranged around the middle of the box body and the sealing shell;

[0010] The heat dissipation block is arranged on the outer side wall of the box body and extends to the outer side of the box body.

[0011] Preferably, there are multiple heat dissipation blocks, and the multiple heat dissipation blocks are arranged at equal distances along the circumference direction of the cross-section of the outer side wall of the box body and the height of the box body.

[0012] Preferably, the box body includes a bridge box body and a connecting plate;

[0013] The inner side of the bridge box body is provided with a cavity;

[0014] The connecting plate is installed on the upper end surface of the bridge box body, with the inner side flush with the edge of the cavity of the bridge box body and the outer side expanding parallel to the outer side of the bridge box body.

[0015] Preferably, the sealing assembly includes a sealing ring and a sealing groove;

[0016] The sealing groove is arranged on the upper end surface of the connecting plate, and its projected shape is the same as the cavity shape of the bridge box body;

[0017] The sealing ring is arranged on the lower end surface of the sealing shell and inserted into the sealing groove.

[0018] Preferably, the cross-sectional projection of the sealing groove is U-shaped, and when the sealing shell and the connecting plate are in a mating installation state, the sealing ring is accommodated in the inner side of the sealing shell of the installation groove.

[0019] Preferably, the inner side wall of the sealing groove is arranged at an angle, and both the inclined surface on the side of the sealing ring close to the outer side of the sealing shell and the inclined inner wall inside the sealing groove close to the middle of the connecting plate are provided with a slot, and both slots are provided with a sealing ring inside.

[0020] Preferably, the auxiliary component includes a connecting ring and a connecting groove;

[0021] The connecting groove is arranged on the lower end surface of the sealing shell and is located at the outer edge of the sealing ring;

[0022] The connecting ring is arranged on the upper end surface of the upper connecting plate and is located at the outer edge of the sealing groove. When the sealing shell and the connecting plate are in a matched installation state, the connecting ring is matched and accommodated in the connecting groove.

[0023] Preferably, a plurality of mounting holes are provided at the edge of the sealing shell, and a plurality of threaded holes are provided at the end of the connecting plate, and the mounting holes and the threaded holes are arranged in a one-to-one correspondence.

[0024] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0025] The utility model arranges a plurality of heat dissipation blocks at equal distances on the outside of the box body, so that the outer surface area of ​​the box body is increased and the heat dissipation efficiency is improved. When the sealing shell is installed on the box body, the upper and lower parts of the auxiliary components are fitted and connected, so that a sealing effect is achieved between the box body and the sealing shell. At the same time, the upper and lower parts of the sealing component are connected, so that the inner and outer sides of the sealing component further seal the sealing shell and the box body respectively, thereby improving the sealing effect between the sealing shell and the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a three-dimensional diagram of an embodiment of the present invention.

[0027] Figure 2 This is a schematic diagram of the separation of the bridge box body and the sealed shell structure in an embodiment proposed by the utility model.

[0028] Figure 3 This is a schematic diagram of the separation of the connecting plate and the sealing shell structure in an embodiment of the present invention.

[0029] Figure numerals: 1. Bridge box body; 2. Heat dissipation block; 3. Connecting plate; 4. Sealing shell; 5. Threaded hole; 6. Connecting ring; 7. Sealing groove; 8. Mounting hole; 9. Sealing ring; 10. Sealing ring; 11. Card slot; 12. Connecting groove. DETAILED DESCRIPTION

[0030] Example 1

[0031] like Figure 1-3 As shown, the sealing device for a bridge box proposed by the present invention includes a box body, a heat dissipation block 2, a sealing shell 4, a sealing component and an auxiliary component;

[0032] The sealing shell 4 is installed on the top of the box body and covers the upper end surface of the box body;

[0033] The upper and lower parts of the sealing assembly are respectively arranged on the end surfaces connecting the box body and the sealing shell 4, and are arranged around the middle of the box body and the sealing shell 4;

[0034] The upper and lower parts of the auxiliary assembly are respectively arranged on the end surfaces connecting the box body and the sealing shell 4, and are located at the outer edge of the sealing assembly and arranged around the middle of the box body and the sealing shell 4;

[0035] The heat dissipation block 2 is arranged on the outer wall of the box and extends to the outside of the box. It should be noted that there are multiple heat dissipation blocks 2, and the multiple heat dissipation blocks 2 are arranged at equal distances along the circumference of the cross-section of the outer wall of the box and the height of the box.

[0036] In this embodiment, by arranging multiple heat dissipation blocks 2 at equal distances outside the box, the external surface area of ​​the box is increased, and the heat dissipation efficiency of the box is increased. In the process of closing the sealing shell 4 to the box, the upper and lower parts of the auxiliary components are fitted and connected, so that there is a sealing effect between the box and the sealing shell 4, and the sealing shell 4 and the box are aligned and installed. At the same time, the upper and lower parts of the sealing component are connected, so that the inner and outer sides of the sealing component respectively seal between the sealing shell 4 and the box, further improving the sealing effect between the sealing shell 4 and the box.

[0037] Example 2

[0038] like Figure 1-3 As shown, the present invention proposes a sealing device for a bridge box. Compared with the first embodiment, the present embodiment differs in that the box body includes a bridge box body 1 and a connecting plate 3;

[0039] The inner side of the bridge box body 1 has a cavity;

[0040] The connecting plate 3 is mounted on the upper end surface of the bridge box body 1 , with its inner side flush with the edge of the cavity of the bridge box body 1 and its outer side expanding parallel to the outer side of the bridge box body 1 .

[0041] In an optional embodiment, a plurality of mounting holes 8 are provided at the edge of the sealing shell 4 , and a plurality of threaded holes 5 are provided at the end of the connecting plate 3 , and the mounting holes 8 are arranged in a one-to-one correspondence with the threaded holes 5 .

[0042] In this embodiment, the end surface area of ​​the top of the bridge box body 1 is increased by the connecting plate 3, and the threaded hole 5 is matched with the mounting hole 8 to mount the sealing shell 4 on the end surface of the connecting plate 3 by bolts, making the sealing shell 4 easy to install.

[0043] Example 3

[0044] like Figure 2-3 As shown, the present invention proposes a sealing device for a bridge box. Compared with the first embodiment, the present embodiment differs in that the sealing assembly includes a sealing ring 9 and a sealing groove 7;

[0045] The sealing groove 7 is provided on the upper end surface of the connecting plate 3, and its projected shape is the same as the cavity shape of the bridge box body 1, so that the sealing groove 7 is arranged around the cavity of the bridge box body 1 when in use;

[0046] The sealing ring 9 is arranged on the lower end surface of the sealing shell 4 and inserted into the sealing groove 7. When in use, it is used to cooperate with the sealing groove 7 to seal the cavity of the bridge box body 1 between the sealing shell 4 and the connecting plate 3.

[0047] In an optional embodiment, the cross-sectional projection of the sealing groove 7 is U-shaped. When the sealing shell 4 and the connecting plate 3 are in a mating installation state, the sealing ring 9 is accommodated inside the sealing shell 4 of the installation groove.

[0048] In an optional embodiment, the inner side wall of the sealing groove 7 is arranged at an angle, and a groove 11 is provided on the inclined surface on the side of the sealing ring 9 close to the outer side of the sealing shell 4 and the inclined inner wall on the inner side of the sealing groove 7 close to the middle of the connecting plate 3, and a sealing ring 10 is provided on the inner side of the two grooves 11.

[0049] In this embodiment, the sealing ring 10 is respectively installed on the inclined surface of the outer side of the sealing ring 9 and on the inclined inner wall of the inner side of the sealing groove 7 near the middle of the bridge box body 1 through two grooves 11. When the sealing shell 4 drives the sealing ring 9 to be inserted into the sealing groove 7, the inner inclined surface of the sealing ring 9 contacts the sealing ring 10 on the inner side of the sealing groove 7. At the same time, the sealing ring 9 drives the sealing ring 10 to contact the other inclined inner wall of the sealing groove 7 through the groove 11, so that the two sealing rings 10 are squeezed at the same time, and the inner and outer inclined surfaces of the sealing ring 9 are respectively sealed with the inclined inner wall of the sealing groove 7 through the sealing ring 10, thereby improving the sealing effect of the connection between the sealing shell 4 and the connecting plate 3.

[0050] Example 4

[0051] like Figure 2-3 As shown, the present invention proposes a sealing device for a bridge box. Compared with the first embodiment, the present embodiment differs in that the auxiliary component includes a connecting ring 6 and a connecting groove 12;

[0052] The connecting groove 12 is provided on the lower end surface of the sealing shell 4 and is located at the outer edge of the sealing ring 9 so that the opening edge of the connecting groove 12 contacts the edge of the sealing ring 9 when in use, so that the width from the outer side of the connecting groove 12 to the inner side of the sealing ring 9 is small;

[0053] The connecting ring 6 is provided on the upper end surface of the upper connecting plate 3 and is located at the outer edge of the sealing groove 7 . When the sealing shell 4 and the connecting plate 3 are in a mating installation state, the connecting ring 6 is accommodated in the connecting groove 12 .

[0054] In this embodiment, when the sealing shell 4 is closed on the top end of the connecting plate 3, the connecting groove 12 is moved toward the connecting ring 6 so that the connecting ring 6 is inserted into the connecting groove 12. After the sealing shell 4 and the connecting plate 3 are fixedly connected by bolts, the connecting ring 6 is fitted and connected to the inner side wall of the connecting groove 12, so that the sealing shell 4 and the connecting plate 3 are sealed.

[0055] In summary, in the present invention, by arranging a plurality of heat dissipation blocks 2 at equal distances outside the box, the outer surface area of ​​the box is increased, and the heat dissipation efficiency of the box is increased. At the same time, the end surface area of ​​the top of the bridge box body 1 is increased by the connecting plate 3, and the threaded hole 5 is matched with the mounting hole 8 to mount the sealing shell 4 on the end surface of the connecting plate 3 by bolts. When the sealing shell 4 moves toward the connecting plate 3, the sealing shell 4 moves the connecting groove 12 toward the connecting ring 6, so that the connecting ring 6 is inserted into the connecting groove 12, and after the sealing shell 4 and the connecting plate 3 are fixedly connected by bolts, the connection is completed. The ring 6 is fitted and connected to the inner wall of the connecting groove 12, so that the sealing shell 4 and the connecting plate 3 are sealed. At the same time, the sealing shell 4 drives the sealing ring 9 to be inserted into the sealing groove 7. The inner inclined surface of the sealing ring 9 contacts the sealing ring 10 inside the sealing groove 7, and the sealing ring 9 drives the sealing ring 10 to contact the other inclined inner wall of the sealing groove 7 through the card groove 11, so that the two sealing rings 10 are squeezed at the same time, and the inner and outer inclined surfaces of the sealing ring 9 are respectively sealed with the inclined inner wall of the sealing groove 7 through the sealing ring 10, thereby improving the sealing effect of the connection between the sealing shell 4 and the connecting plate 3.

[0056] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A sealing device for a bridge box, characterized in that: It comprises a box body, a heat dissipation block (2), a sealing shell (4), a sealing component and an auxiliary component; The sealing shell (4) is installed on the top of the box body and covers the upper end surface of the box body; The upper and lower parts of the sealing assembly are respectively arranged on the end surfaces connected between the box body and the sealing shell (4), and are arranged around the middle of the box body and the sealing shell (4); The upper and lower parts of the auxiliary component are respectively arranged on the end surfaces connected between the box body and the sealing shell (4), and are located at the outer edge of the sealing component and arranged around the middle of the box body and the sealing shell (4); The heat dissipation block (2) is arranged on the outer side wall of the box body and extends to the outside of the box body.

2. A sealing device for a bridge box according to claim 1, characterized in that: There are multiple heat dissipation blocks (2), and the multiple heat dissipation blocks (2) are arranged at equal distances along the circumference direction of the outer side wall section of the box body and the height of the box body.

3. A sealing device for a bridge box according to claim 1, characterized in that: The box body comprises a bridge box body (1) and a connecting plate (3); The inner side of the bridge box body (1) is provided with a cavity; The connecting plate (3) is mounted on the upper end surface of the bridge box body (1), with the inner side flush with the edge of the cavity of the bridge box body (1) and the outer side expanding parallel to the outer side of the bridge box body (1).

4. A sealing device for a bridge box according to claim 3, characterized in that: The sealing assembly includes a sealing ring (9) and a sealing groove (7); The sealing groove (7) is provided on the upper end surface of the connecting plate (3), and its projected shape is the same as the shape of the cavity of the bridge box body (1); The sealing ring (9) is arranged on the lower end surface of the sealing shell (4) and inserted into the sealing groove (7).

5. A sealing device for a bridge box according to claim 4, characterized in that: The cross-sectional projection of the sealing groove (7) is U-shaped. When the sealing shell (4) and the connecting plate (3) are in a matched installation state, the sealing ring (9) is accommodated inside the sealing shell (4) of the installation groove.

6. The sealing device for a bridge box according to claim 4, characterized in that: The inner side wall of the sealing groove (7) is arranged in an inclined manner. A clamping groove (11) is provided on the side of the sealing ring (9) and the inclined surface close to the outer side of the sealing shell (4) and the inclined inner wall inside the sealing groove (7) and close to the middle of the connecting plate (3). A sealing ring (10) is provided inside the two clamping grooves (11).

7. The sealing device for a bridge box according to claim 3, characterized in that: The auxiliary component includes a connecting ring (6) and a connecting groove (12); The connecting groove (12) is provided on the lower end surface of the sealing shell (4) and is located at the outer edge of the sealing ring (9); The connecting ring (6) is arranged on the upper end surface of the upper connecting plate (3) and is located at the outer edge of the sealing groove (7). When the sealing shell (4) and the connecting plate (3) are in a mating installation state, the connecting ring (6) is accommodated in the connecting groove (12).

8. The sealing device for a bridge box according to claim 3, characterized in that: A plurality of mounting holes (8) are provided at the edge of the sealing shell (4), and a plurality of threaded holes (5) are provided at the end of the connecting plate (3), and the mounting holes (8) and the threaded holes (5) are arranged in a one-to-one correspondence.

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