CN215171759U

CN215171759U - Large truck rear suspension lower support assembly shock absorber

Info

Publication number: CN215171759U
Application number: CN202121023913.7U
Authority: CN
Inventors: 于辉; 孙连智
Original assignee: Qingdao Huahailun Auto Parts Co ltd
Current assignee: Qingdao Huahailun Auto Parts Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-14
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to a bumper shock absorber technical field just discloses a rear overhang lower carriage assembly bumper shock absorber of large truck, including the telescopic link, flexible clamp cover has been cup jointed in the outside activity on telescopic link upper portion, the middle part fixedly connected with size on telescopic link upper portion is adjusted and is pressed from both sides the cover, the inside threaded connection on size adjustment clamp cover upper portion has the threaded rod. This rear overhang lower carriage assembly bumper shock absorber behind large truck, through device rolling disc, can drive the device threaded rod and extend to the inside that big size adjustment presss from both sides the cover, the distance is adjusted between drive device spring lower part backup pad and the upper portion guard plate simultaneously, inform rotation spring lower part backup pad, drive device spring lower part backup pad shrink, can adjust the distance between telescopic link and the flexible cover that presss from both sides, there is the effect that can play the buffering simultaneously under elastic effect at the device spring, so far when using, through adjusting the length between telescopic link and the flexible cover that presss from both sides, can make things convenient for the drive arrangement to install and the effect of injecing.

Description

Large truck rear suspension lower support assembly shock absorber

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is a big freight train after-suspension lower bracket assembly bumper shock absorber.

Background

The common large truck needs to be provided with a shock absorber, so that the shock absorber can provide buffering capacity when running on uneven road surfaces, the driving comfort is improved, and the shock absorber for the rear suspension lower bracket assembly of the large truck is developed.

In the present big truck rear overhang lower carriage assembly bumper shock absorber, but common damping device mobile space is comparatively injectd, can appear being difficult to the phenomenon of installing when using, and common device when installation, the phenomenon that appears being difficult to the installation when having lower part to connect to press from both sides the cover and the connecting piece is connected with the upper portion to press from both sides the cover.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hang down support assembly bumper shock absorber behind large truck not enough to current large truck, the utility model provides a large truck hangs down support assembly bumper shock absorber behind possesses the convenience and adjusts the shock attenuation interval, is applicable to different installation environment, and the easy to assemble position angle is adjusted simultaneously to play easy to assemble's advantage, solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: a shock absorber for a rear suspension lower support assembly of a large truck comprises a telescopic rod, wherein a telescopic jacket is movably sleeved outside the upper part of the telescopic rod, a size adjusting jacket is fixedly connected to the middle part of the upper part of the telescopic rod, a threaded rod is connected to the internal thread of the upper part of the size adjusting jacket, a rotating disc is installed on the other side of the threaded rod, an upper protection plate is fixedly connected to the other side of the telescopic jacket, a spring lower support plate is connected to the external thread of the telescopic rod, a spring is fixedly connected to the upper part of the spring lower support plate, a lower positioning nut is connected to the external thread of the lower part of the telescopic rod, a lower connecting jacket is movably sleeved outside the lower part of the telescopic rod, a first nut is movably sleeved inside the end part of the lower connecting jacket, a second nut is installed inside one side of the lower positioning nut, and an upper movable connecting sleeve is movably sleeved on the other side of the upper protection plate, the novel nut connecting device is characterized in that a third nut is mounted inside one side of the upper movable connecting sleeve, an angle adjusting disc is movably sleeved in the middle of the other side of the upper movable connecting sleeve, an upper connecting jacket is sleeved outside the angle adjusting disc, a fourth nut is mounted inside one side of the upper connecting jacket, and a fifth nut is movably sleeved in the middle of the upper connecting jacket.

Preferably, the spring is clamped between a lower supporting plate and an upper protection plate of the spring, the outer portion of the telescopic rod is provided with threads, the rotating disc is movably sleeved in the middle of the other side of the upper protection plate, and the size adjusting clamping sleeve and the threaded rod are clamped inside the telescopic clamping sleeve.

Preferably, the lower part of the telescopic rod is in a diamond shape, the inner side of the lower connecting jacket is clamped with the outer part of the diamond-shaped baffle, and the second nut sequentially penetrates through the lower positioning nut and the inner part of the lower connecting jacket.

Preferably, the first nut penetrates through the lower connecting jacket and is fixedly sleeved in the lower portion of the telescopic rod in a threaded manner, a protruding rod is installed on one side of the lower portion of the lower connecting jacket, and a circular hole is formed in the protruding rod.

Preferably, the nut III penetrates through the upper movable connecting sleeve and is fixedly sleeved in the upper protection plate in a threaded manner, and a thirty-centimeter groove is formed between the upper protection plate and the upper movable connecting sleeve.

Preferably, thirty-two grooves are formed in the upper portion of the upper portion movable connecting sleeve at equal intervals, the nut four penetrates through the upper portion connecting jacket and is movably sleeved inside the grooves, the angle adjusting disc can rotate three hundred and sixty degrees around the upper portion movable connecting sleeve, the outer portion of the angle adjusting disc is in a diamond shape, a protruding rod is formed in the end portion of the upper portion connecting jacket, and meanwhile a circular hole is formed in the inner portion of the protruding rod.

With the contrast of current large truck rear overhang lower carriage assembly bumper shock absorber, the utility model discloses possess following beneficial effect:

1. this rear overhang lower carriage assembly bumper shock absorber behind large truck, through device rolling disc, can drive the device threaded rod and extend to the inside that big size adjustment presss from both sides the cover, the distance is adjusted between drive device spring lower part backup pad and the upper portion guard plate simultaneously, inform rotation spring lower part backup pad, drive device spring lower part backup pad shrink, can adjust the distance between telescopic link and the flexible cover that presss from both sides, there is the effect that can play the buffering simultaneously under elastic effect at the device spring, so far when using, through adjusting the length between telescopic link and the flexible cover that presss from both sides, can make things convenient for the drive arrangement to install and the effect of injecing.

2. This rear overhang lower carriage assembly bumper shock absorber behind large truck, different recesses have evenly been seted up through the upper portion with device upper portion movable connecting sleeve, can drive device angle adjusting disk and rotate around upper portion movable connecting sleeve, can make things convenient for device upper portion to connect to press from both sides the cover and be connected fixedly with the connecting piece, it installs nut four with the lower part that device upper portion connection pressed from both sides the cover simultaneously after fixed, cup joint the inside that the recess was seted up on upper portion movable connecting sleeve upper portion with four activities of nut simultaneously, thereby can fix a position, convenient angle that presss from both sides the cover is connected to upper portion in increasing the device installation so far adjusts, so far increase the steadiness when the device uses.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic sectional view of the main body of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure of the present invention lacking the upper connection device.

In the figure: 1. a telescopic rod; 2. a telescopic jacket; 3. a size adjusting jacket; 4. a threaded rod; 5. rotating the disc; 6. an upper guard plate; 7. a spring lower support plate; 8. a spring; 9. a lower positioning nut; 10. The lower part is connected with a jacket; 11. a first nut; 12. a second nut; 13. an upper movable connecting sleeve; 14. a third nut; 15. an angle adjusting disk; 16. the upper part is connected with a jacket; 17. a fourth nut; 18. and a fifth nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a damper for a rear suspension lower bracket assembly of a large truck comprises a telescopic rod 1, an outer part of the upper part of the telescopic rod 1 is movably sleeved with a telescopic jacket 2, the middle part of the upper part of the telescopic rod 1 is fixedly connected with a size adjusting jacket 3, an inner thread of the upper part of the size adjusting jacket 3 is connected with a threaded rod 4, the other side of the threaded rod 4 is provided with a rotating disc 5, the other side of the telescopic jacket 2 is fixedly connected with an upper protection plate 6, an outer thread of the telescopic rod 1 is connected with a spring lower support plate 7, the upper part of the spring lower support plate 7 is fixedly connected with a spring 8, an outer thread of the lower part of the telescopic rod 1 is connected with a lower positioning nut 9, an outer part of the lower part of the telescopic rod 1 is movably sleeved with a lower connecting jacket 10, an inner part of the end part of the lower connecting jacket 10 is movably sleeved with a first nut 11, and an inner part of one side of the lower positioning nut 9 is provided with a second nut 12, an upper movable connecting sleeve 13 is movably sleeved on the other side of the upper protection plate 6, a nut III 14 is installed inside one side of the upper movable connecting sleeve 13, an angle adjusting disc 15 is movably sleeved on the middle of the other side of the upper movable connecting sleeve 13, an upper connecting clamping sleeve 16 is sleeved outside the angle adjusting disc 15, a nut IV 17 is installed inside one side of the upper connecting clamping sleeve 16, and a nut V18 is movably sleeved in the middle of the upper connecting clamping sleeve 16.

Wherein, the spring 8 is clamped between a lower support plate 7 of the spring and an upper protection plate 6, the outer part of the telescopic rod 1 is provided with threads, the rotating disc 5 is movably sleeved at the middle part of the other side of the upper protection plate 6, the size adjusting jacket 3 and the threaded rod 4 are clamped inside the telescopic jacket 2, the movable space of the common damping device is limited, the phenomenon that the installation is difficult to carry out can be generated when in use, the threaded rod 4 of the device can be driven to extend into the size adjusting jacket 3 through the device rotating disc 5, meanwhile, the distance between the lower support plate 7 of the device spring and the upper protection plate 6 is driven to be adjusted, the lower support plate 7 of the spring is informed to rotate, the lower support plate 7 of the device spring is driven to contract, the distance between the telescopic rod 1 and the telescopic jacket 2 can be adjusted, and the device spring 8 can play a role of buffering under the elastic action, so far when using, through adjusting the length between telescopic link 1 and the flexible jacket 2, can conveniently drive the effect that the device installed and injectd.

Wherein, the lower part of the telescopic rod 1 is in a diamond shape, the inner side of the lower connecting jacket 10 is clamped with the outer part of the diamond-shaped baffle, the nut two 12 sequentially passes through the lower positioning nut 9 and the lower connecting jacket 10, the position of the lower connecting jacket 10 of the device can be limited by clamping the lower connecting jacket 10 of the device on the outer part of the diamond-shaped baffle on the lower part of the telescopic rod 1, the lower positioning nut 9 of the device is movably sleeved on the outer part of the telescopic rod 1, the position between the lower positioning nut 9 and the lower connecting jacket 10 is limited by driving the nut two 12 of the device, the lower connecting jacket 10 of the device is clamped and fixed, so that the device can not rotate, the lower positioning nut 9 of the device is clamped on the outer part of the telescopic rod 1 in a threaded manner and can not shrink, and after the position between the lower positioning nut 9 and the lower connecting jacket 10 is limited by the nut two 12, the device is whole unable to be removed, and the steadiness when so far increasing the device installation makes things convenient for the later stage to dismantle simultaneously and when maintaining, through dismantling two 12 nuts can, so far increases the convenience when maintaining.

Wherein, nut 11 passes sub-unit connection and presss from both sides cover 10 while the fixed cover of screw thread is in the inside of 1 lower part of telescopic link, the nose bar is installed to one side of sub-unit connection clamp cover 10 lower part, circular hole has been seted up to the inside of nose bar, through passing sub-unit connection clamp cover 10 while the fixed cover of screw thread is in the inside of 1 lower part of telescopic link with device nut 11, the steadiness when can increasing the device and using, the nose bar is installed to one side that device sub-unit connection pressed from both sides the cover 10 lower part simultaneously, and the inside of nose bar is seted up flutedly, can make things convenient for drive device sub-unit connection to press from both sides the cover 10 centre gripping to fix inside specific box, so far increase the effect that conveniently installs when the device uses.

Wherein, nut three 14 passes upper portion activity adapter sleeve 13 and the fixed cover of screw thread is in the inside of upper portion guard plate 6 simultaneously, there is thirty centimetre recess between upper portion guard plate 6 and the upper portion activity adapter sleeve 13, position between upper portion guard plate 6 and the upper portion activity adapter sleeve 13 is injectd through installing nut three 14, thereby can drive device upper portion guard plate 6 and the position of upper portion activity adapter sleeve 13 and carry out the centre gripping fixedly, there is thirty centimetre recess simultaneously between device upper portion guard plate 6 and the upper portion activity adapter sleeve 13, can drive carry out the elastic stretching in-process between device telescopic link 1 and the flexible clamp cover 2, can drive device upper portion guard plate 6 and move about in the inside of upper portion activity adapter sleeve 13.

Wherein, thirty-two grooves are arranged on the upper part of the upper movable connecting sleeve 13 at equal intervals, a nut four 17 penetrates through the upper connecting jacket 16 and is movably sleeved inside the groove, the angle adjusting disc 15 can rotate three hundred and sixty degrees around the upper movable connecting sleeve 13, the outer part of the angle adjusting disc 15 is in a diamond shape, the end part of the upper connecting jacket 16 is provided with a convex rod, meanwhile, the inner part of the convex rod is provided with a round hole, when a common device is installed, the phenomenon that the installation is difficult when the lower connecting jacket 10 and the upper connecting jacket 16 are connected with a connecting piece exists, so far, different grooves are uniformly arranged on the upper part of the upper movable connecting sleeve 13 of the device, the device angle adjusting disc 15 can be driven to rotate around the upper movable connecting sleeve 13, the upper connecting jacket 16 of the device can be conveniently connected and fixed with the connecting piece, and the nut four 17 is arranged on the lower part of the upper connecting jacket 16 of the device after the fixation, simultaneously with the inside that the recess was seted up on upper portion activity adapter sleeve 13 upper portion to the activity of nut four 17 cup joints to can fix a position, conveniently adjust the angle that presss from both sides cover 16 to upper portion connection in so far increasing the device installation, so far increase the steadiness when the device uses.

The working principle is as follows: when in use, the rotating disc 5 is rotated to drive the threaded rod 4 of the device to perform threaded motion with the size adjusting jacket 3, and simultaneously the position between the upper part of the telescopic rod 1 of the device and the telescopic jacket 2 of the device is adjusted, so that the damping range can be adjusted, meanwhile, the lower connecting jacket 10 of the device is movably sleeved at the lower part of the telescopic rod 1, a lower positioning nut 9 is rotated to coincide with the upper part of the lower connecting jacket 10, a nut II 12 is installed at the joint for positioning, the lower connecting jacket 10 is installed on a fixing piece, the upper connecting jacket 16 of the device is rotated to conveniently drive the upper connecting jacket 16 to be installed on an upper connecting piece, the upper connecting jacket 16 is rotated to reset, and a nut IV 17 is installed between the lower part of the upper connecting jacket 16 and the upper part of the upper movable connecting sleeve 13, so as to drive the device to be fixed, so far, accomplish the installation, during the use, device spring 8 carries out the elasticity shock attenuation to between telescopic link 1 and the flexible jacket 2 to play absorbing effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a big truck rear overhang lower carriage assembly bumper shock absorber, includes telescopic link (1), its characterized in that: the telescopic rod is characterized in that a telescopic jacket (2) is movably sleeved on the outer part of the upper part of the telescopic rod (1), a size adjusting jacket (3) is fixedly connected to the middle part of the upper part of the telescopic rod (1), a threaded rod (4) is connected to the inner thread of the upper part of the size adjusting jacket (3), a rotating disc (5) is installed on the other side of the threaded rod (4), an upper protection plate (6) is fixedly connected to the other side of the telescopic jacket (2), a spring lower supporting plate (7) is connected to the outer thread of the telescopic rod (1), a spring (8) is fixedly connected to the upper part of the spring lower supporting plate (7), a lower positioning nut (9) is connected to the outer thread of the lower part of the telescopic rod (1), a lower connecting jacket (10) is movably sleeved on the outer part of the lower part of the telescopic rod (1), and a first nut (11) is movably sleeved on the inner part of the end part of the lower connecting jacket (10), the utility model discloses a novel angle adjusting device, including lower part set nut (9), the internally mounted of lower part set nut (9) one side has nut two (12), upper portion activity adapter sleeve (13) has been cup jointed in the opposite side activity of upper portion guard plate (6), the internally mounted of upper portion activity adapter sleeve (13) one side has nut three (14), angle adjusting disk (15) have been cup jointed in the middle part activity of upper portion activity adapter sleeve (13) opposite side, the outside of angle adjusting disk (15) has been cup jointed upper portion and has been connected and press from both sides cover (16), the internally mounted of upper portion connection clamp cover (16) one side has nut four (17), the middle part activity of upper portion connection clamp cover (16) has been cup jointed nut five (18).

2. The truck rear suspension lower bracket assembly shock absorber as set forth in claim 1, wherein: the spring (8) is clamped between a lower spring supporting plate (7) and an upper protection plate (6), threads are formed in the outer portion of the telescopic rod (1), the rotating disc (5) is movably sleeved in the middle of the other side of the upper protection plate (6), and the size adjusting clamping sleeve (3) and the threaded rod (4) are clamped inside the telescopic clamping sleeve (2).

3. The truck rear suspension lower bracket assembly shock absorber as set forth in claim 1, wherein: the lower part of the telescopic rod (1) is in a diamond shape, the inner side of the lower part connecting jacket (10) is clamped with the outer part of the diamond-shaped baffle, and the second nut (12) sequentially penetrates through the lower positioning nut (9) and the inner part of the lower part connecting jacket (10).

4. The truck rear suspension lower bracket assembly shock absorber as set forth in claim 1, wherein: the first nut (11) penetrates through the lower connecting jacket (10) and is fixedly sleeved in the lower portion of the telescopic rod (1) in a threaded mode, a protruding rod is installed on one side of the lower portion of the lower connecting jacket (10), and a circular hole is formed in the protruding rod.

5. The truck rear suspension lower bracket assembly shock absorber as set forth in claim 1, wherein: the nut III (14) penetrates through the upper movable connecting sleeve (13) and is fixedly sleeved in the upper protection plate (6) in a threaded mode, and a thirty-centimeter groove is formed between the upper protection plate (6) and the upper movable connecting sleeve (13).

6. The truck rear suspension lower bracket assembly shock absorber as set forth in claim 1, wherein: thirty-two grooves are formed in the upper portion of the upper portion movable connecting sleeve (13) at equal intervals, the nut four (17) penetrates through the upper portion connecting jacket (16) and is movably sleeved inside the grooves, the angle adjusting disc (15) can rotate three hundred and sixty degrees around the upper portion movable connecting sleeve (13), the outer portion of the angle adjusting disc (15) is in a diamond shape, a convex rod is formed in the end portion of the upper portion connecting jacket (16), and meanwhile a round hole is formed in the inner portion of the convex rod.