CN217558963U - Reinforced bridge box - Google Patents

Abstract

The utility model relates to a cross bridge case field especially relates to reinforcement type case of crossing a bridge, including the case shell of crossing a bridge and the case lid of laminating each other, the port edge of the case shell of crossing a bridge has the laminating portion of increase laminating area, and the edge of the case lid of crossing a bridge has the surrounding edge of side direction cladding laminating portion, and the case lid of crossing a bridge corresponds with laminating portion and sets up perpendicular screw, erects threaded connection in the screw and has perpendicular screw, and the surrounding edge side corresponds with laminating portion and sets up horizontal screw, and horizontal screw female connection has horizontal screw, the utility model discloses an alternative evenly distributed's perpendicular screw, horizontal screw carry out diversified pulling to the case shell of crossing a bridge, the case lid of crossing a bridge fixedly, and the laminating of cooperation surrounding edge and laminating portion makes the connection of case shell of crossing a bridge, the case lid of crossing a bridge comparatively firm, can bear diversified power, and fatigue resistance is big, and the fault rate is low.

Description

Reinforced bridge box

Technical Field

The utility model relates to a bridge crossing box field especially relates to reinforcement type bridge crossing box.

Background

The gap bridge box is used for the bottom of a cargo truck, is provided with a differential transmission assembly and used for the differential power transmission of front wheels and rear wheels of the automobile, plays an important role in the running of the automobile, and the shell of the gap bridge box is used for packaging the transmission assembly and has the requirement of high stress strength.

Current patent document CN 216033754U discloses a split type case of crossing a bridge, and the device includes a case main part of crossing a bridge and fastening structure, the case main part of crossing a bridge includes a left side case of crossing a bridge and a right side case of crossing a bridge, a left side case of crossing a bridge and a right side case of crossing a bridge pass through fastening structure and connect, fastening structure includes left fastening block, right fastening block and bolt hole, left side fastening block and right fastening block set up respectively on the surface of a left side case of crossing a bridge and the right side case of crossing a bridge, and left side fastening block and right fastening block position keep the level unanimous, the bolt hole is seted up on left side fastening block and right fastening block surface, and runs through left fastening block and right fastening block, bolt hole middle part insert bolt, bolt one end is fixed through the nut, and the device sets up to a left side case of crossing a bridge and a right side case of crossing a bridge through the case main part of crossing a bridge, and fixes through the bolt, replaces traditional integral case of crossing a bridge, makes things convenient for the staff to install and dismantle the differential mechanism of crossing an inside the bridge, improves the efficiency of installation.

The existing gap bridge box main body adopts the shell to pull the binding face fixedly through a plurality of parallel-distributed bolts, the shell of the gap bridge box not only receives axial force in the using process, but also receives strong lateral force, the existing bolt fixing can bear the axial force, the lateral force acts on the shear force of the bolt formed by the bolt, the service life of the bolt is shortened, and the connection strength of the gap bridge box is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the following problems existing in the prior art: the casing of case of passing a bridge not only receives axial force in the use, still receives powerful lateral force, and current bolt fastening can bear axial force, and the lateral force acts on the shearing force of bolt formation to the bolt, has shortened the life of bolt, has reduced the joint strength of case of passing a bridge.

For solving the problem that prior art exists, the utility model provides a reinforcement type crosses bridge case, including the cross bridge case shell and the cross bridge case lid of laminating each other, the port edge of cross bridge case shell has the laminating portion of increase laminating area, and the edge of crossing bridge case lid has the surrounding edge of side direction cladding laminating portion, crosses bridge case lid and corresponds with laminating portion and sets up perpendicular screw, erects threaded connection in the screw and has perpendicular screw, and the surrounding edge side corresponds with laminating portion and sets up horizontal screw, and horizontal screw female connection has horizontal screw.

Preferably, horizontal screw, perpendicular screw have a plurality ofly, and horizontal screw, perpendicular screw surround surrounding edge and laminating portion evenly distributed.

Preferably, the horizontal screw holes and the vertical screw holes are alternately distributed around the surrounding edge and the attaching part, so that the connecting force is uniform.

Preferably, the inner side of the upper surface of the attaching part is provided with a convex plane surrounding the bridge box shell for one circle, and the convex plane is attached to the bridge box cover to keep the sealing performance of the connecting part.

Preferably, the area of the transverse screw hole on the surface of the surrounding edge is larger than that of the transverse screw hole on the surface of the attaching part, so that the position of the transverse screw hole is adjusted, and the smooth connection of the transverse screw can be ensured under the condition that the transverse screw hole has micro offset.

Preferably, the inner ends of the horizontal screw hole and the vertical screw hole on the surface of the protruding plane are both closed ends, so that the leakage of the parts of the horizontal screw hole and the vertical screw hole is avoided.

Preferably, the inner edge of the bottom of the surrounding edge is provided with a chamfer, so that the surrounding edge can be conveniently sleeved outside the attaching part.

Compared with the prior art, the utility model provides a reinforcement type crosses bridge box has following beneficial effect:

the utility model discloses an in turn evenly distributed's perpendicular screw, horizontal screw carry out diversified pulling to cross bridge case shell, cross bridge case lid and hold fixedly, the laminating of cooperation surrounding edge and laminating portion makes the connection of cross bridge case shell, cross bridge case lid comparatively firm, can bear diversified power, and fatigue resistance is big, and the fault rate is low.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall assembly structure of the present invention;

FIG. 3 is a schematic view of the structure of the horizontal screw holes and the vertical screw holes of the present invention;

FIG. 4 is a schematic view of the cross screw hole alignment structure of the present invention;

fig. 5 is a schematic view of the structure of the surrounding edge of the present invention.

Reference numbers in the figures: 1. a bridge box shell; 2. a bridge box cover; 3. erecting screws; 4. a cross screw; 5. a transverse screw hole; 6. a vertical screw hole; 7. a bonding section; 8. a convex plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example one

As shown in fig. 1-2 and 4-5, the reinforced type gap bridge box is assembled by the following components:

assembly description: cover 2 lids of case lid of passing a bridge at the apical foramen of case shell 1, and the surrounding edge package is in the outside of laminating portion 7, and the horizontal screw 5 on surrounding edge and 7 surfaces of laminating portion, erect 6 distribution positions of screw crisscross to 5 areas of horizontal screw on surrounding edge surface are greater than 5 areas of horizontal screw on 7 surfaces of laminating portion, erect 3 threaded connection of screw and erect screw 6, 4 threaded connection of horizontal screw 5.

The working principle is as follows: 2 lids of case lid of passing a bridge at the apical foramen of case shell 1, erect screw hole 6, cross screw hole 5 aligns respectively, install 3 screw threads of erecting screw in erecting screw hole 6 earlier, to passing a bridge case shell 1, 2 axial fixings of case lid of passing a bridge, the surrounding edge cover is to passing a bridge case shell 1 in the 7 outsides of laminating portion, 2 tangent planes directions of case lid of passing a bridge are spacing, then install 4 screw threads of cross screw in cross screw hole 5 again, the connection of erecting screw 3 and the connection of cross screw hole 5 are used for bearing the device axial force, the surrounding edge is used for bearing the lateral force with the laminating of laminating portion 7.

Example two

As shown in fig. 1 to 5, the reinforced bridge box is assembled by the following components:

assembly description: cover 2 lid in the top mouth of passing a bridge case 1 with the case lid of passing a bridge, protruding plane 8 closely laminates with the bottom surface of 2 case lids of passing a bridge, and the surrounding edge package is in the outside of laminating portion 7, and the horizontal screw 5 on 7 surfaces of surrounding edge and laminating portion, the 6 distribution positions of perpendicular screw are crisscross to 5 areas of horizontal screw on surrounding edge surface are greater than 5 areas of horizontal screw on 7 surfaces of laminating portion, erect 3 threaded connection of screw and erect screw 6, 4 threaded connection horizontal screws 5 of horizontal screw.

The working principle is as follows: the top mouth at the case shell of passing a bridge 1 is covered to 2 case lids of case lid of passing a bridge, erect screw hole 6, cross screw hole 5 aligns respectively, install erecting 3 screw threads of screw in erecting screw hole 6 earlier, to the case shell of passing a bridge 1, 2 axial fixings of case lid of passing a bridge, protruding plane 8 and 2 extrusion laminating of case lid of passing a bridge, realize the sealing of case shell of passing a bridge 1, 2 connection site of case lid of passing a bridge, the surrounding edge cover is to the case shell of passing a bridge 1 in 7 outsides of laminating portion, 2 tangent plane directions of case lid of passing a bridge are spacing, then install cross screw 4 screw threads in cross screw hole 5, the connection of erecting screw 3 and the connection of cross screw hole 5 are used for bearing the device axial force, the surrounding edge is used for bearing the yawing force with the laminating of laminating portion 7.

Claims (7)

1. Reinforced type crosses bridge case, including the bridge case shell (1) and the bridge case lid (2) of passing a bridge of laminating each other, the port edge of bridge case shell (1) has laminating portion (7) of increase laminating area, its characterized in that, the edge of bridge case lid (2) has the surrounding edge of side direction cladding laminating portion (7), bridge case lid (2) and laminating portion (7) correspond and set up perpendicular screw (6), erect screw (6) female connection and have perpendicular screw (3), the surrounding edge side corresponds with laminating portion (7) and sets up horizontal screw (5), horizontal screw (5) female connection has horizontal screw (4).

2. The reinforced type bridge box according to claim 1, wherein the transverse screw holes (5) and the vertical screw holes (6) are provided in plurality, and the transverse screw holes (5) and the vertical screw holes (6) are uniformly distributed around the surrounding edge and the fitting portion (7).

3. The reinforced box according to claim 2, wherein the cross screw holes (5) and the vertical screw holes (6) are alternately distributed around the peripheral edge and the attachment portion (7).

4. The reinforced bridge box according to claim 1, wherein the upper surface of the attachment portion (7) has a raised flat surface (8) on the inside thereof around the perimeter of the bridge box housing (1).

5. The reinforced overpass box of claim 1, wherein the cross screw holes (5) of the surface of the skirt have an area larger than the cross screw holes (5) of the surface of the fitting part (7).

6. The reinforced type bridge box according to claim 4, wherein the inner ends of the transverse screw holes (5) and the vertical screw holes (6) on the surface of the raised plane (8) are sealed ends.

7. The reinforced type bridge box of claim 1, wherein the bottom inner edge of the surrounding edge is chamfered.

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