CN218198555U - Side-hanging spare tire lifter assembly - Google Patents

Abstract

The utility model relates to the technical field of auto-parts, and a side-hung spare tyre riser assembly is disclosed, including the riser main part, fixed grillage is installed in the outside of riser main part casing, and riser main part transmission is connected with the lift chain, the one end fixedly connected with spring locking structure of lift chain, and the outside cover of spring locking structure bottom is equipped with the end plate. The utility model discloses two sets of compound energy dissipation parts and two sets of supporting friction parts that set up cooperate, form two sets of compound auxiliary stay structures in the outside of riser main part, follow-up cooperation riser main part, fixed grillage, the lift chain, the spring closure structure, the side-hung spare tyre riser assembly that the end plate was assembled uses the back jointly, can carry out elastic buffer to the vibrations that the side-hung spare tyre riser assembly use suffered, multiple friction energy dissipation, reduce the end plate, the lift chain, the riser main part is to the fixed operation load of tire, and then reduce the not hard up probability of tire.

Description

Side-hanging spare tire lifter assembly

Technical Field

The utility model relates to the technical field of auto-parts, specifically be a side-hung spare tyre riser assembly.

Background

The existing spare tire lifter is usually a special part on a truck, and mainly comprises a lifter main body, a lifting chain, a spring locking structure, an end plate and other structures, and the reason for the spare tire lifter is that the spare tire of the truck is higher and heavier from the ground, and is difficult to manually disassemble, so that the spare tire lifter is required to lift the spare tire to achieve the purpose of replacement, and the use of the spare tire lifter greatly reduces the maintenance difficulty of a car driver and improves the maintenance efficiency, so that the spare tire lifter is welcomed.

The existing spare tire lifter is generally divided into a steel wire rope type spare tire lifter and a chain type spare tire lifter, different use requirements can be met, the spare tire lifter is mainly extruded and limited and fixed by an end plate structure and a spring structure inside the spare tire lifter in the aspect of fixing the tire, but in the actual driving process of an automobile, vibration of the tire when the tire moves on an uneven road surface can cause large buffer load to a lifter main body and the spring structure, the spring can deform after a long time, the chain structure slides downwards, the spare tire lifter cannot be locked, so that the spare tire becomes loose, and potential safety hazards exist, and the problems are solved correspondingly by scientific researchers in related fields, for example, a CN201720645043.4 spare tire lifter locking device, and the technical scheme of the utility model discloses that the phenomenon of loosening of the spare tire locking device can be effectively prevented through a buffer strip between a chain and a chain provided with a protection plate can be improved, and the anti-theft effect can be improved; the applicant finds that the single elastic deformation buffer material has limited shock buffering for the spare tire lifter in actual use, and the deformation of the elastic material is gradually reduced due to material fatigue and the buffering effect is gradually weakened after the spare tire lifter is used for a later time.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a side-hung spare tyre riser assembly has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the utility model provides a side-hung spare tyre riser assembly, includes the riser main part, fixed grillage is installed in the outside of riser main part casing, and riser main part transmission is connected with the lift chain, the one end fixedly connected with spring locking structure of lift chain, and the outside cover of spring locking structure bottom is equipped with the end plate, the equal laminating in surface of riser main part both sides is connected with compound energy dissipation part, and one side cover of compound energy dissipation part is equipped with and supports friction part, and supports on the shell structure of friction part one end extends to the inner wall at fixed plate frame top, junction fixed connection between them, the both sides at end plate top all begin to have the groove of stepping down, and the inboard cover in the groove of stepping down is equipped with the locking part.

Carefully, the casing of riser main part bottom adopts the screw to carry out demountable installation with the inner wall of fixed grillage bottom, and the mounting hole has been seted up to the casing of fixed grillage rear end.

Carefully, the casing of riser main part bottom adopts the screw to carry out welded fastening with the inner wall of fixed grillage bottom, and the mounting hole has been seted up to the casing of fixed grillage rear end.

Carefully, the inside of compound energy dissipation part is provided with the damping plate, and one side and the laminating of riser main part casing surface of damping plate, and the opposite side of damping plate is the fixedly connected with arc spring leaf then, the fixed cover of one end of arc spring leaf has connect the rotation axis, and the outside joint at rotation axis middle part has the damping sleeve pipe, the damping sleeve pipe is in the mode that the activity cup jointed with the inboard of damping plate one end.

Carefully, the annular groove of stepping down has been seted up to damping sleeve's inside, and the inside of annular groove of stepping down has placed the microparticle iron sand.

The choice, support the inside of friction part including cavity supporting plate frame, and the inboard cover at cavity supporting plate frame middle part is equipped with rough friction plate, the surface of rough friction plate and damping sleeve's surface laminating friction.

Carefully, the spacing grooves have been all seted up to the inboard of cavity backup pad frame top casing and bottom casing inboard, and two spacing groove mutual symmetries and cup joint spacingly with the both ends of rotation axis activity respectively.

Carefully, the coarse friction plate and the inner wall of the shell of the hollow supporting plate frame are detachably mounted by screws, and one end of the hollow supporting plate frame is welded and fixed with the shell at the top of the fixing plate frame.

Carefully, the inside of closure part is provided with the threaded rod, and the threaded rod bottom has fixed the gag lever post for globular structure and cover, the gag lever post joint is inside the space of the groove both sides of stepping down, the bottom activity of threaded rod is cup jointed in the inboard at the groove middle part of stepping down, the surface threaded connection at threaded rod top has the nut, and the fixed cover in surface of threaded rod bottom has connect the magnet cover, and the surface of magnet cover and the inner wall laminating of the groove top of stepping down.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses two sets of compound energy dissipation parts and two sets of supporting friction parts that set up cooperate, form two sets of compound auxiliary stay structures in the outside of riser main part, follow-up cooperation riser main part, fixed grillage, the lift chain, the spring closure structure, the side-hung spare tyre riser assembly that the end plate was assembled uses the back jointly, can carry out elastic buffer to the vibrations that the side-hung spare tyre riser assembly use suffered, multiple friction energy dissipation, reduce the end plate, the lift chain, the riser main part is to the fixed operation load of tire, and then reduce the not hard up probability of tire.

2. The utility model discloses a two sets of compound energy dissipation parts and two sets of two liang cooperations of support friction part, form two sets of compound auxiliary stay structures in the outside of riser main part, in the concrete use, compound inside damping plate of energy dissipation part and arc spring leaf will carry out preliminary buffering to the vibrations that overall structure suffered, meanwhile, the synchronous pressurized of damping sleeve pipe and the inside coarse friction plate friction energy dissipation of support friction part, and the inside microparticle iron sand of placing of hollow structure and the hollow structure of compound energy dissipation part self can carry out the secondary friction energy dissipation, quick elimination or vibrations energy, the supplementary end plate that reduces, the lift chain, the riser main part is to the fixed operation load of tire.

3. The utility model discloses a two sets of compound energy dissipation parts and two sets of two liang cooperations of support friction part form two sets of compound auxiliary stay structures in the outside of riser main part, and cavity support grillage and coarse friction plate can wear and tear the change among its inside support friction part, make two sets of compound auxiliary stay structures possess sustainable use's effect.

4. The utility model discloses the locking part cooperation groove of stepping down that sets up, the installation is used the back, can carry out integration joint installation with the end plate, and relative traditional separation operation can prevent that independent part from losing, promotes the convenience of using.

Drawings

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

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

FIG. 3 is a partially enlarged schematic view of the structure of the present invention;

fig. 4 is a schematic partial cross-sectional view of an end plate of the present invention;

FIG. 5 is an enlarged view of the section A in FIG. 3 according to the present invention;

fig. 6 is an enlarged schematic view of B in fig. 4 according to the present invention.

In the figure: 1. a lifter body; 2. fixing the plate frame; 3. a lifting chain; 4. a spring locking structure; 5. an end plate; 6. a composite energy dissipation component; 61. a damping plate; 62. an arc-shaped spring piece; 63. a rotating shaft; 64. a damping sleeve; 7. a support friction member; 71. a hollow support panel frame; 72. a coarse friction plate; 8. a yielding groove; 9. a locking member; 91. a threaded rod; 92. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Please refer to fig. 1 and 2, a side-hung spare tire lifter assembly, including a lifter body 1, a fixing plate frame 2 is installed at the outer side of a casing of the lifter body 1, and the lifter body 1 is in transmission connection with a lifting chain 3, one end of the lifting chain 3 is fixedly connected with a spring locking structure 4, and an end plate 5 is sleeved at the outer side of the bottom of the spring locking structure 4, the casing of the bottom of the lifter body 1 and the inner wall of the bottom of the fixing plate frame 2 are detachably mounted by screws, and a mounting hole is formed in the casing at the rear end of the fixing plate frame 2, according to the use requirements and the mounting conditions, the detachable structure can facilitate subsequent maintenance, the casing at the bottom of the lifter body 1 and the inner wall at the bottom of the fixing plate frame 2 are welded and fixed by screws, and the mounting hole is formed in the casing at the rear end of the fixing plate frame 2, and according to the use requirements and the mounting conditions, the welded structure can fully ensure the stability between the connecting structures.

Referring to fig. 1, 2 and 3, the surfaces of both sides of the lifter body 1 are respectively attached with a composite energy dissipation component 6, a damping plate 61 is disposed inside the composite energy dissipation component 6, one side of the damping plate 61 is attached to the surface of the shell of the lifter body 1, the other side of the damping plate 61 is fixedly connected with an arc spring leaf 62, one end of the arc spring leaf 62 is fixedly connected with a rotating shaft 63, a damping sleeve 64 is clamped outside the middle part of the rotating shaft 63, the damping sleeve 64 is movably connected with the inner side of one end of the damping plate 61, an annular abdicating groove is formed inside the damping sleeve 64, and micro-particle iron sand is placed inside the annular abdicating groove, the damping plate 61 and the arc spring leaf 62 inside the composite energy dissipation component 6 primarily buffer the vibration suffered by the whole structure, and the hollow structure of the composite energy dissipation component 6 and the micro-particle iron sand placed inside the hollow structure can rub to quickly eliminate or vibrate energy.

Referring to fig. 1, 3 and 5, a supporting friction member 7 is sleeved on one side of the composite energy dissipation member 6, a shell structure supporting one end of the friction member 7 extends to an inner wall of the top of the fixed plate frame 2, a joint of the supporting friction member and the fixed plate frame is fixedly connected, a hollow supporting plate frame 71 is included inside the supporting friction member 7, a rough friction plate 72 is sleeved on an inner side of the middle of the hollow supporting plate frame 71, a surface of the rough friction plate 72 is in fit with a surface of the damping sleeve 64 for friction, limiting grooves are formed in an inner side of a top shell and an inner side of a bottom shell of the hollow supporting plate frame 71, the two limiting grooves are symmetrical and are movably sleeved and limited with two ends of the rotating shaft 63 respectively, the limiting grooves are matched with the rotating shaft 63 for supporting and limiting the subsequent reciprocating movement of the damping sleeve 64, the rough friction plate 72 and the inner wall of the shell of the hollow supporting plate frame 71 are detachably mounted by screws, one end of the hollow supporting plate frame 71 and the shell at the top of the fixed plate frame 2 are welded, and the screws are locked, so that the supporting friction member 71 and the supporting friction member 7 can be replaced by abrasion.

Referring to fig. 1, 2, 4, and 6, the two sides of the top of the end plate 5 start to have the abdicating groove 8, the inner side of the abdicating groove 8 is sleeved with the locking component 9, the inside of the locking component 9 is provided with the threaded rod 91, the bottom of the threaded rod 91 is of a spherical structure and is fixedly sleeved with the limiting rod 92, the limiting rod 92 is clamped in the space at the two sides of the abdicating groove 8, the bottom of the threaded rod 91 is movably sleeved on the inner side of the middle of the abdicating groove 8, the surface at the top of the threaded rod 91 is connected with the nut by a thread, the surface at the bottom of the threaded rod 91 is fixedly sleeved with the magnet sleeve, the surface of the magnet sleeve is attached to the inner wall at the top of the abdicating groove 8, the locking component 9 is matched with the abdicating groove 8, and after installation and use, the locking component can be installed integrally with the end plate 5 in a combined manner, so that, compared with the traditional separation operation, the loss of independent components can be prevented, and the convenience of use can be improved.

The working principle is as follows: during the use, with the suit in-process of tire, press the inboard of groove 8 of stepping down with locking part 9 upset, realize stepping down, then parallel at the upset after the whole wheel hub space of stepping down that runs through the tire of end plate 5, the vertical locking part 9 of upset after that, pass the surface of the ascending laminating tire of end plate 5 and make the wheel hub space of stepping down that runs through the tire of locking part 9, then be connected with the nut again, realize end plate 5 and the holistic locking operation of tire, afterwards through 1 rolling lifting chain 3 of riser main part, the lifting tire is to the assigned position, can.

Subsequently, when the automobile is subjected to large vibration on a road surface with uneven running, the damping plate 61 and the arc-shaped spring leaf 62 in the composite energy dissipation component 6 are firstly pressed and primarily buffered, the damping sleeve 64 synchronously presses and moves while the arc-shaped spring leaf 62 elastically deforms, and then the damping sleeve 64 and the rough friction plate 72 in the supporting friction component 7 perform friction energy dissipation, and then the micro-particle iron sand placed in the damping sleeve 64 can perform secondary friction energy dissipation with the inner wall of the damping sleeve 64, so that the operation load of the end plate 5, the lifting chain 3, the spring locking structure 4 and the lifter main body 1 for fixing the limiting tire is fully reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 (9)

1. The utility model provides a side-hung spare tyre riser assembly, includes riser main part (1), fixed grillage (2) are installed in the outside of riser main part (1) casing, and riser main part (1) transmission is connected with lift chain (3), the one end fixedly connected with spring locking structure (4) of lift chain (3), and the outside cover of spring locking structure (4) bottom is equipped with end plate (5), its characterized in that: the surface of riser main part (1) both sides all the laminating be connected with compound energy dissipation part (6), and one side cover of compound energy dissipation part (6) is equipped with and supports friction part (7), and support on the shell structure of friction part (7) one end extends to the inner wall at fixed grillage (2) top, junction fixed connection between them, the both sides at end plate (5) top all begin to have groove (8) of stepping down, and the inboard cover of groove (8) of stepping down is equipped with locking part (9).

2. The side-hung spare tire lifter assembly as claimed in claim 1, wherein: the inner wall of the shell at the bottom of the lifter main body (1) and the inner wall of the bottom of the fixed plate frame (2) are detachably mounted through screws, and the shell at the rear end of the fixed plate frame (2) is provided with a mounting hole.

3. The side-hung spare tire lifter assembly as claimed in claim 1, wherein: the inner wall of the shell at the bottom of the lifter main body (1) and the inner wall of the bottom of the fixed plate frame (2) are welded and fixed through screws, and the shell at the rear end of the fixed plate frame (2) is provided with a mounting hole.

4. The side-hung spare tire lifter assembly as claimed in claim 1, wherein: the inside of compound energy dissipation part (6) is provided with damping plate (61), and one side and riser main part (1) shell surface laminating of damping plate (61), and the opposite side of damping plate (61) is then fixedly connected with arc spring leaf (62), the fixed cover of one end of arc spring leaf (62) has connect rotation axis (63), and the outside joint at rotation axis (63) middle part has damping sleeve pipe (64), damping sleeve pipe (64) and the inboard of damping plate (61) one end are in the mode that the activity cup jointed.

5. The side-hung spare tire lifter assembly as claimed in claim 4, wherein: annular abdicating grooves are formed in the damping sleeve (64), and microparticle iron sand is placed in the annular abdicating grooves.

6. The side-hung spare tire lifter assembly as claimed in claim 4, wherein: the inside of supporting the friction part (7) is including cavity supporting plate frame (71), and the inboard cover in cavity supporting plate frame (71) middle part is equipped with coarse friction board (72), the surface laminating friction of the surface of coarse friction board (72) and damping sleeve (64).

7. The side-hung spare tire lifter assembly as claimed in claim 6, wherein: the limiting grooves are formed in the inner side of the top shell and the inner side of the bottom shell of the hollow supporting plate frame (71), and the two limiting grooves are symmetrical to each other and are movably sleeved with the two ends of the rotating shaft (63) for limiting.

8. The side-hung spare tire lifter assembly as claimed in claim 6, wherein: the inner walls of the housing of the rough friction plate (72) and the hollow supporting plate frame (71) are detachably mounted by screws, and one end of the hollow supporting plate frame (71) is fixedly welded with the housing at the top of the fixing plate frame (2).

9. The side-hung spare tire lifter assembly as claimed in claim 1, wherein: the inside of closure part (9) is provided with threaded rod (91), and threaded rod (91) bottom has fixed have been cup jointed gag lever post (92) for globular structure and fixed cover, gag lever post (92) joint is inside the space of groove (8) both sides of stepping down, the bottom activity of threaded rod (91) is cup jointed at the inboard at groove (8) middle part of stepping down, the surface threaded connection at threaded rod (91) top has the nut, and the fixed cover in surface of threaded rod (91) bottom has connect the magnet cover, and the surface of magnet cover and the inner wall laminating at groove (8) top of stepping down.

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