CN210792720U - Longitudinal composite material plate spring suspension locking device - Google Patents

Abstract

The utility model provides a vertical composite material leaf spring suspension locking device, which comprises a leaf spring body. The upper and lower ends of the leaf spring body are respectively provided with an upper locking plate and a lower locking plate, and both sides of the leaf spring body are A side locking block is provided, the upper locking plate has a rectangular plate-like structure, the upper pressure blocks are fixedly welded on both ends of the lower surface of the upper locking plate, and the bottom of the upper locking plate is fixedly welded with a plurality of groups of springs distributed at equal distances. and a first locking groove and a third locking groove are arranged on one side of the side locking block close to the body of the leaf spring. The utility model provides a vertical composite material leaf spring suspension locking device. The leaf spring body is fixed by the cooperation of the upper locking plate, the lower locking plate and the side locking block, the fixing structure is stable, and the leaf spring can be strengthened. The stress intensity carried by the body increases the service life of the leaf spring body. The utility model provides a vertical composite material leaf spring suspension locking device, the side locking block is convenient to fix, easy to install and disassemble, and can be quickly fixed on the chassis of the vehicle body.

Description

A Longitudinal Composite Material Leaf Spring Suspension Locking Device

technical field

The utility model relates to the field of leaf springs, in particular to a vertical composite material leaf spring suspension locking device.

Background technique

Leaf springs are leaf springs. Leaf springs are commonly used in wheeled vehicle suspensions. Originally called laminated or carrier springs, sometimes called semi-elliptical springs or cart springs, they are one of the oldest forms of spring and can be traced back to to the Middle Ages.

In the prior art, the leaf spring suspension is often difficult to fix, and it is prone to serious pressure loss during installation and use, the stress intensity is high, and it is difficult to completely eliminate the stress, and the service life of the leaf spring is low.

Therefore, it is necessary to provide a vertical composite leaf spring suspension locking device to solve the above technical problems.

Utility model content

The utility model provides a vertical composite material leaf spring suspension locking device, which solves the problem of low bearing stress intensity of the leaf spring.

In order to solve the above technical problems, the utility model provides a vertical composite material leaf spring suspension locking device, which includes a leaf spring body, and the upper and lower ends of the leaf spring body are respectively provided with an upper locking plate and a lower locking plate. Plate, both sides of the leaf spring body are provided with side locking blocks, the upper locking plate is in the shape of a rectangular plate, and both ends of the lower surface of the upper locking plate are fixedly welded with upper pressure blocks. The bottom of the plate is fixedly welded with a plurality of groups of springs distributed at equal distances. The side locking block close to the leaf spring body is provided with a first locking groove and a third locking groove. The end of the leaf spring body is clamped. is locked in the first locking groove, the end of the upper locking plate is engaged in the third locking groove, the lower surface of the side locking block is fixedly welded with a lower stable plate, and the lower stable plate is close to the One side of the leaf spring body is provided with a second locking groove, the end of the lower locking plate is engaged in the second locking groove, and both ends of the upper surface of the lower locking plate are fixedly welded with support brackets, An arc-shaped support plate is fixedly welded at one end of the support frame away from the lower locking plate, and the arc-shaped support plate is movably attached to the lower surface of the leaf spring body. The leaf spring body is provided with three sets of fixing screws. The upper and lower ends of the nut are connected to the limit nut through threaded fit.

Preferably, the bottom surface of the upper pressing block and the upper surface of the leaf spring body are movably fitted, and the upper pressing block has an arc-shaped block structure.

Preferably, multiple sets of springs are distributed between the two sets of upper pressing blocks, and the lower ends of the springs are movably attached to the upper surface of the leaf spring body.

Preferably, the fixing screw is in a vertical rod-like structure, and the fixing screw at the end moves through the side locking block, the leaf spring body, the upper locking plate, the lower stable plate and the lower locking plate at the same time. The fixed screw rod moves through the upper locking plate, the leaf spring body and the lower locking plate at the same time.

Preferably, a reserved fixing plate is fixedly welded to one end of the side locking block away from the plate spring body, and the reserved fixing plate has a rectangular plate-like structure.

Preferably, the reserved fixing plate is provided with two sets of reserved fixing holes penetrating up and down, and the two sets of reserved fixing holes are symmetrical in front and rear.

Preferably, the width of the lower stabilizing plate is smaller than the width of the side locking block, and the total height of the side locking block and the lower stabilizing plate is greater than the distance between the distal surfaces of the upper locking plate and the lower locking plate.

Compared with the related art, the vertical composite material leaf spring suspension locking device provided by the utility model has the following beneficial effects:

1. The utility model provides a vertical composite material leaf spring suspension locking device, the leaf spring body is fixed by the cooperation of the upper locking plate, the lower locking plate and the side locking block, the fixing structure is stable, and the plate can be strengthened. The stress intensity carried by the spring body increases the service life of the leaf spring body.

2. The utility model provides a vertical composite material leaf spring suspension locking device, the side locking block is convenient to fix, easy to install and disassemble, and fast to fix on the chassis of the vehicle body.

Description of drawings

1 is a schematic structural diagram of a preferred embodiment of a vertical composite material leaf spring suspension locking device provided by the utility model;

Figure 2 is a schematic structural diagram of the bottom of the leaf spring body shown in Figure 1;

FIG. 3 is a front view of the leaf spring body shown in FIG. 1 .

Labels in the figure: 1. Leaf spring body, 2. Upper locking plate, 3. Lower locking plate, 4. Side locking block, 5. Lower stabilization plate, 6. Support frame, 7, Arc-shaped support plate, 8 , limit nut, 9, spring, 10, upper pressure block, 11, first locking groove, 12, fixing screw, 13, reserved fixing hole, 14, reserved fixing plate, 15, second locking groove, 16. The third locking groove.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and embodiments.

Please refer to FIG. 1, FIG. 2 and FIG. 3 in combination, wherein, FIG. 1 is a schematic structural diagram of a preferred embodiment of a vertical composite material leaf spring suspension locking device provided by the utility model; FIG. 2 is a 1 is a schematic structural diagram of the bottom of the leaf spring body; FIG. 3 is a front view of the leaf spring body shown in FIG. 1 . A vertical composite material leaf spring suspension locking device, comprising a leaf spring body 1, the upper and lower ends of the leaf spring body 1 are respectively provided with an upper locking plate 2 and a lower locking plate 3. Both are provided with side locking blocks 4, the upper locking plate 2 is in the shape of a rectangular plate, both ends of the lower surface of the upper locking plate 2 are fixedly welded with upper pressing blocks 10, and the bottom of the upper locking plate 2 is fixedly welded with a plurality of pieces. A set of springs 9 distributed at equal distances, the side locking block 4 close to the leaf spring body 1 is provided with a first locking groove 11 and a third locking groove 16, and the end of the leaf spring body 1 is engaged with the first lock. In the locking groove 11 , the end of the upper locking plate 2 is engaged in the third locking groove 16 , the lower surface of the side locking block 4 is fixedly welded with the lower stable plate 5 , and the lower stable plate 5 is close to the edge of the leaf spring body 1 . One side is provided with a second locking groove 15, the end of the lower locking plate 3 is engaged in the second locking groove 15, and both ends of the upper surface of the lower locking plate 3 are fixedly welded with a support frame 6. The support frame 6 An arc-shaped support plate 7 is fixedly welded at one end away from the lower locking plate 3 , and the arc-shaped support plate 7 is movably attached to the lower surface of the leaf spring body 1 to support the bottom surface of the leaf spring body 1 . The bottom is stabilized. The plate spring body 1 is provided with three sets of fixing screws 12. The upper and lower ends of the fixing screws 12 are connected to the limiting nut 8 through threaded fitting, which serves the purpose of limiting and can stably connect the structures.

The bottom surface of the upper pressure block 10 and the upper surface of the leaf spring body 1 are movably attached. The upper pressure block 10 has an arc-shaped block structure, and the upper pressure block 10 stabilizes the upper end of the leaf spring body 1 .

Multiple sets of springs 9 are distributed between the two sets of upper pressure blocks 10 , the lower ends of the springs 9 are movably attached to the upper surface of the leaf spring body 1 , and the springs 9 vibrate to offset the stress.

The fixing screw 12 is in a vertical rod-like structure, and the fixing screw 12 at the end moves through the side locking block 4 , the leaf spring body 1 , the upper locking plate 2 , the lower stable plate 5 and the lower locking plate 3 at the same time. The fixing screw 12 in the middle moves through the upper locking plate 2, the leaf spring body 1 and the lower locking plate 3 at the same time.

A reserved fixing plate 14 is fixedly welded to one end of the side locking block 4 away from the leaf spring body 1 .

The reserved fixing plate 14 is provided with two groups of reserved fixing holes 13 penetrating up and down, the two groups of reserved fixing holes 13 are symmetrical in front and rear, and the reserved fixing holes 13 are used for the screw and the shaft to pass through for fixing.

The width of the lower stabilizing plate 5 is smaller than the width of the side locking block 4, and the total height of the side locking block 4 and the lower stabilizing plate 5 is greater than the distance between the distal surface of the upper locking plate 2 and the lower locking plate 3, which is convenient for stabilization to be fixed.

The working principle of a vertical composite material leaf spring suspension locking device provided by the utility model is as follows:

First, the first locking groove 11 on the side locking block 4 at the end is engaged with the end of the leaf spring body 1 , and then the end of the upper locking plate 2 is engaged in the third locking groove 16 , the end of the lower locking plate 3 is engaged in the second locking groove 15, after that, the side locking block 4 at the other end is sleeved, and then the device is fixed by three sets of fixing screws 12 as shown in FIG. 1, The two ends of the fixing screw 12 are connected to the limiting nut 8 by threaded fitting to ensure the connection strength between the devices. When in use, the reserved fixing holes 13 on the fixing plate 14 on the side of the side locking block 4 are reserved for the shaft to pass through. The device is fixed on the chassis of the vehicle body, which is convenient to fix. When the leaf spring body 1 is stressed, the unloading force is shared by the upper pressure block 10 at the upper end and the arc-shaped support plate 7 at the lower end, which improves the overall stress bearing strength. , and the spring 9 itself collides with the leaf spring body 1 , when the leaf spring body 1 is strongly bumped, the spring 9 vibrates to remove the vibration force of the leaf spring body 1 .

Compared with the related art, the vertical composite material leaf spring suspension locking device provided by the utility model has the following beneficial effects:

1. The utility model provides a vertical composite material leaf spring suspension locking device. The leaf spring body 1 is fixed by the cooperation of the upper locking plate 2, the lower locking plate 3 and the side locking block 4, and the fixing structure is stable, In addition, the stress intensity carried by the leaf spring body 1 can be strengthened, and the service life of the leaf spring body can be increased.

2. The utility model provides a vertical composite material leaf spring suspension locking device, the side locking block 4 is convenient to fix, easy to install and disassemble, and fast to fix on the chassis of the vehicle body.

The above are only the embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (7)

1. A vertical composite material leaf spring suspension locking device, comprising a leaf spring body (1), characterized in that: upper and lower ends of the leaf spring body (1) are respectively provided with upper locking plates (2) and the lower locking plate (3), both sides of the leaf spring body (1) are provided with side locking blocks (4), the upper locking plate (2) is in the shape of a rectangular plate, and the upper locking plate (2) Both ends of the lower surface of ) are fixedly welded with upper pressing blocks (10), the bottom of the upper locking plate (2) is fixedly welded with a plurality of groups of springs (9) distributed at equal distances, and the side locking blocks (4) ) A first locking groove (11) and a third locking groove (16) are provided on the side close to the leaf spring body (1), and the end of the leaf spring body (1) is engaged with the first locking groove In (11), the end of the upper locking plate (2) is engaged in the third locking groove (16), and the lower surface of the side locking block (4) is fixedly welded with a lower stabilization plate (5). ), a second locking groove (15) is provided on the side of the lower stabilizing plate (5) close to the leaf spring body (1), and the end of the lower locking plate (3) is engaged with the second locking groove In (15), both ends of the upper surface of the lower locking plate (3) are fixedly welded with a support frame (6), and one end of the support frame (6) away from the lower locking plate (3) is fixedly welded with an arc-shaped support A plate (7), the arc-shaped support plate (7) is movably attached to the lower surface of the leaf spring body (1), and the leaf spring body (1) is provided with three sets of fixing screws (12), the fixing screws The upper and lower ends of (12) are connected to the limiting nut (8) through threaded fitting. 2 . The vertical composite leaf spring suspension locking device according to claim 1 , wherein the bottom surface of the upper pressing block ( 10 ) and the upper surface of the leaf spring body ( 1 ) are movable between the bottom surface of the upper pressure block ( 10 ) and the upper surface of the leaf spring body ( 1 ). The upper pressing block (10) has an arc-shaped block structure. 3. A vertical composite material leaf spring suspension locking device according to claim 1, characterized in that, multiple groups of springs (9) are distributed between the two groups of upper pressure blocks (10), and the springs (9) The lower end of the spring is movably fitted on the upper surface of the leaf spring body (1). 4 . The longitudinally placed composite material leaf spring suspension locking device according to claim 1 , wherein the fixing screw (12) is in a vertical rod-like structure, and the fixing screw (12) at the end At the same time, it moves through the side locking block (4), the leaf spring body (1), the upper locking plate (2), the lower stabilization plate (5) and the lower locking plate (3), and the middle fixing screw (12) At the same time, it is movable through the upper locking plate (2), the leaf spring body (1) and the lower locking plate (3). 5 . The vertical composite material leaf spring suspension locking device according to claim 1 , wherein the end of the side locking block ( 4 ) away from the leaf spring body ( 1 ) is fixedly welded with a reserved plate. 6 . A fixing plate (14), the reserved fixing plate (14) has a rectangular plate-like structure. 6 . The vertical composite material leaf spring suspension locking device according to claim 5 , wherein the reserved fixing plate ( 14 ) is provided with two sets of reserved fixing holes ( 13 ) penetrating up and down. 7 . ), the two sets of reserved fixing holes (13) are symmetrical in the front and rear. 7 . The longitudinally placed composite material leaf spring suspension locking device according to claim 1 , wherein the width of the lower stabilizing plate ( 5 ) is smaller than the width of the side locking block ( 4 ). The total height of the side locking block (4) and the lower stabilization plate (5) is greater than the distance between the distal surfaces of the upper locking plate (2) and the lower locking plate (3).

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