CN220298635U - Upper suspension system convenient for assembling sliding column and vehicle with upper suspension system - Google Patents

Abstract

The utility model provides an upper suspension system convenient for assembling a sliding column and a vehicle with the upper suspension system, which comprises the following components: the upper suspension assembly is provided with a plurality of connecting bolts at circumferential intervals, the connecting bolts are used for being connected with a vehicle body, one end, close to the vehicle body, of each connecting bolt is provided with a first neck section, one end, close to the upper suspension assembly, of each connecting bolt is provided with a second neck section, each connecting bolt further comprises a third neck section arranged between the first neck section and the second neck section, the diameters of the first neck section, the second neck section and the third neck section are sequentially increased, and external threads are arranged on the third neck section. By adopting the technical scheme, the problem that an upper suspension system and a vehicle body in the prior art are difficult to assemble is effectively solved.

Description

Upper suspension system convenient for assembling sliding column and vehicle with upper suspension system

Technical Field

The utility model relates to the technical field of suspension system design, in particular to an upper suspension system convenient for assembling a sliding column and a vehicle with the upper suspension system.

Background

At present, part of main machine factories still rely on manual adjustment of the posture of a sliding column in the process of assembling a chassis and a vehicle body, and assemble the sliding column by visually hanging the positions of an assembly and a vehicle body hole, and the installation mode has the following common problems: 1. because the front chassis assembly and the rear chassis assembly are large in size, the matching position of the sliding column and the vehicle body is far away from an installer, the operation space is limited in the actual installation process, the position and the axial angle of the sliding column are difficult to accurately control, and the installation is not facilitated; 2. due to the design of the vehicle body, the vision of an installer is shielded, even the state of the matched position cannot be observed, and the condition of blind installation is only realized, so that the assembly efficiency and the safety are greatly influenced; 3. in the assembly process, the conditions of collision friction between the screw thread at the top end of the bolt of the upper suspension assembly and a positioning hole of a vehicle body plate are easy to occur, the screw thread is damaged, the connection reliability is affected, the conditions that parts cannot be continuously installed and used and the like even occur, and great economic loss is caused.

For the problems in the prior art, no effective solution has been proposed at present.

Disclosure of Invention

The utility model mainly aims to provide an upper suspension system convenient for assembling a sliding column and a vehicle with the upper suspension system, so as to solve the problem that the upper suspension system and a vehicle body in the prior art are difficult to assemble.

To achieve the above object, according to one aspect of the present utility model, there is provided an upper suspension system for facilitating a strut assembly, comprising: the upper suspension assembly is provided with a plurality of connecting bolts at circumferential intervals, the connecting bolts are used for being connected with a vehicle body, one end, close to the vehicle body, of each connecting bolt is provided with a first neck section, one end, close to the upper suspension assembly, of each connecting bolt is provided with a second neck section, each connecting bolt further comprises a third neck section arranged between the first neck section and the second neck section, the diameters of the first neck section, the second neck section and the third neck section are sequentially increased, and external threads are arranged on the third neck section.

Further, the end portion, close to the vehicle body, of the first neck section is provided with a first chamfer, the joint of the third neck section and the first neck section is provided with a second chamfer, and the first chamfer is smaller than the second chamfer.

Further, the first chamfer is A1, the second chamfer is A2, wherein A1 is more than or equal to 60 degrees and less than or equal to 70 degrees, A2 is more than or equal to 40 degrees and less than or equal to 50 degrees.

Further, the length of the first neck section is L1, the length of the second neck section is L2, and the length of the third neck section is L3, wherein L1 is more than or equal to 3mm and less than or equal to 5mm, L2 is more than or equal to 5mm and less than or equal to 6mm, and L3 is more than or equal to 17mm and less than or equal to 20mm.

Further, the diameter of the first neck section is Y1, the diameter of the second neck section is Y2, and the diameter of the third neck section is Y3, wherein Y1 is more than or equal to 4mm and less than or equal to 6mm, Y2 is more than or equal to 11mm and less than or equal to 12mm, and Y3 is more than or equal to 6mm and less than or equal to 8mm.

Further, the upper suspension system includes a shock absorber and a strut connected to the shock absorber, and the upper suspension system for facilitating assembly of the strut further includes: the guide assists utensil, and the bottom of the guide assistance utensil is provided with the polygon slotted hole, and the top of bumper shock absorber is provided with the polygon nut with the polygon slotted hole adaptation, and the guide assistance utensil is cylindric structure, and the top of the guide assistance utensil is provided with curved guide profile, and guide profile is used for cooperating with the centre bore of automobile body to with the central axis of traveller and the central axis alignment of centre bore.

Further, a plurality of grooves are formed in the side face of the guide auxiliary tool at intervals along the circumferential direction, the grooves extend along the axial direction of the guide auxiliary tool, the width of each groove is Z, and Z is more than or equal to 10mm and less than or equal to 15mm.

Further, the guide auxiliary tool is made of at least one of plastic, metal and ceramic materials.

Further, the guide aid includes a locking buckle having an operating position for locking the guide aid with the shock absorber and an unlocked position for disengaging the guide aid from the shock absorber.

According to another aspect of the present utility model, there is provided a vehicle including an upper suspension system for facilitating a strut assembly, the upper suspension system for facilitating a strut assembly being the upper suspension system for facilitating a strut assembly described above.

By adopting the technical scheme, the connecting bolt is arranged in a multi-section form with a variable diameter, and the first neck section plays a role in installation and guiding, so that the situation that the screw thread at the top end of the upper suspension assembly bolt and the positioning hole of the vehicle body plate collide and rub when the existing connecting bolt is used is avoided. By adopting the technical scheme, the problem that an upper suspension system and a vehicle body in the prior art are difficult to assemble is effectively solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic structural view of a first embodiment of an upper suspension system that facilitates assembly of a strut in accordance with the present utility model;

FIG. 2 shows a schematic structural view of a second embodiment of an upper suspension system that facilitates assembly of a strut in accordance with the present utility model;

fig. 3 shows a schematic structural view of an embodiment of a connecting bolt according to the utility model.

Wherein the above figures include the following reference numerals:

1. an upper suspension assembly; 2. guiding auxiliary tools; 3. a connecting bolt; 4. a polygonal nut; 5. a first neck section; 6. a second neck section; 7. a third neck section.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

Referring to fig. 1-3, an upper suspension system is provided that facilitates assembly of a strut in accordance with an embodiment of the present application.

An upper suspension system for facilitating assembly of a strut, comprising: the upper suspension assembly 1, the circumference interval of upper suspension assembly 1 is provided with a plurality of connecting bolts 3, a plurality of connecting bolts 3 are used for being connected with the automobile body, each connecting bolt 3 is close to the one end of automobile body and is provided with first neck section 5, each connecting bolt 3 is close to the one end of upper suspension assembly 1 and all is provided with second neck section 6, each connecting bolt 3 is still including setting up the third neck section 7 between first neck section 5 and second neck section 6, wherein, the diameter of first neck section 5, second neck section 6 and third neck section 7 increases in proper order and sets up, be provided with the external screw thread on the third neck section 7.

By adopting the technical scheme of the utility model, the connecting bolt 3 is arranged in a multi-section form with variable diameter, so that the first neck section 5 plays a role in installation and guiding, and the situation that the screw thread at the top end of the upper suspension assembly bolt and the positioning hole of the vehicle body plate collide and rub when the existing connecting bolt is used is avoided. By adopting the technical scheme, the problem that an upper suspension system and a vehicle body in the prior art are difficult to assemble is effectively solved. The utility model provides a mainly through the last suspension assembly that adopts third grade reducing bolt and supporting installation assistance utensil, enlarge the guide effect, optimize and solve above-mentioned assembly difficulty problem, improve production efficiency, ensure assembly personnel's safety in production.

Further, the end of the first neck section 5 close to the vehicle body is provided with a first chamfer, the joint of the third neck section 7 and the first neck section 5 is provided with a second chamfer, and the first chamfer is smaller than the second chamfer. The first neck section 5 is a smooth section, and the main guiding function during installation is played in cooperation with the first chamfer, so that the head threads of the collision damage bolts caused by the excessively high rising speed during installation of the common upper suspension assembly are avoided. The third neck section 7 is a threaded section and the second chamfer is set to a larger value, so that an auxiliary guiding effect during installation can be achieved.

The elongated structure shown in fig. 2 is a strut, one end of which is connected to the top structure of the upper suspension system, the other end of which is connected to the vehicle body, and the outer side of which is typically provided with springs.

Further, the first chamfer is A1, the second chamfer is A2, wherein A1 is more than or equal to 60 degrees and less than or equal to 70 degrees, A2 is more than or equal to 40 degrees and less than or equal to 50 degrees.

Further, the length of the first neck section 5 is L1, the length of the second neck section 6 is L2, and the length of the third neck section 7 is L3, wherein L1 is more than or equal to 3mm and less than or equal to 4mm, L2 is more than or equal to 5mm and less than or equal to 6mm, and L3 is more than or equal to 17mm and less than or equal to 20mm. The length of the third neck section 7 is longest through the arrangement, so that an installer can observe the relative position of the bolt and the mounting hole of the vehicle body plate conveniently, and the sight is prevented from being blocked by the vehicle body.

Further, the diameter of the first neck section 5 is Y1, the diameter of the second neck section 6 is Y2, and the diameter of the third neck section 7 is Y3, wherein Y1 is more than or equal to 4mm and less than or equal to 6mm, Y2 is more than or equal to 11mm and less than or equal to 12mm, and Y3 is more than or equal to 17mm and less than or equal to 20mm. The arrangement makes the second neck section 6 be the polished rod part with the largest diameter, and under the condition that the tightening contact area is enough and the strength of the upper suspension assembly bracket is satisfied, the diameter of the mounting hole of the vehicle body plate is equivalently enlarged, and the assembling convenience is improved.

Further, the upper suspension system includes a shock absorber and a strut connected to the shock absorber, and the upper suspension system for facilitating assembly of the strut further includes: the guide is assisted utensil 2, and the bottom of the guide is assisted utensil 2 is provided with the polygon slotted hole, and the top of bumper shock absorber is provided with the polygon nut 4 with the polygon slotted hole adaptation, and the guide is assisted utensil 2 and is cylindric structure, and the top of the guide is assisted utensil 2 is provided with curved direction profile, and the direction profile is used for cooperating with the centre bore of automobile body to with the central axis of traveller and the central axis alignment of centre bore. The guiding outline (hexagonal groove) of the guiding auxiliary tool 2 near the bottom in the circumferential direction is fixed with the outer outline of the polygonal nut (tightening nut) at the top of the shock absorber, so that the auxiliary tool is ensured to be stable in the assembling process, and the middle step surface in the axial direction is attached to the top surface of the upper cover of the upper suspension assembly.

Further, a plurality of grooves are formed in the side face of the guide auxiliary tool 2 at intervals along the circumferential direction, the grooves extend along the axial direction of the guide auxiliary tool 2, the width of each groove is Z, and Z is more than or equal to 10mm and less than or equal to 15mm. The installation and the dismantlement of assisting the utensil are convenient for set up like this, and the width of slot is the same with the human finger width, and the repeated plug and the take of being convenient for to reduce the installation cooperation area with between the automobile body plate hole, improve installation direction smoothness nature, reduce the friction damage to the automobile body board.

Further, the guide auxiliary tool 2 is made of at least one of plastic, metal and ceramic materials.

The assembling process of the chassis and the vehicle body comprises the following steps: the guide auxiliary tool 2 is manually assembled on the upper suspension assembly through the hexagonal slotted hole, the chassis platform is slowly lifted, the position of the middle hole is firstly aligned through the guide action of the guide auxiliary tool 2, the axial angle of the sliding column is aligned through the third-order reducing structure (namely the connecting bolt 3) of the upper suspension assembly, the bolt enters the automobile body assembly hole according to the correct assembly position, and after the positioning of the chassis sliding column (the piece with the longest length in fig. 2) is completed, the installation auxiliary tool is manually pulled out. The upper suspension assembly is matched with the auxiliary tool for use, so that preliminary positioning is facilitated during assembling and closing.

The vehicle body is provided with a plurality of threaded connection holes, and a plurality of connecting bolts 3 are arranged in one-to-one correspondence with the plurality of threaded connection holes.

Further, the guide aid 2 comprises a locking buckle having an operating position for locking the guide aid 2 with the shock absorber and an unlocked position for disengaging the guide aid 2 from the shock absorber. The installation efficiency can be improved by the arrangement, and the shrink-fit mechanism is realized for inspection.

According to another embodiment of the present utility model, there is provided a vehicle including an upper suspension system for facilitating a strut assembly, the upper suspension system for facilitating a strut assembly being the upper suspension system for facilitating a strut assembly described above.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general terms in the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the utility model.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An upper suspension system for facilitating assembly of a strut, comprising:

go up suspension assembly (1), the circumference interval of going up suspension assembly (1) is provided with a plurality of connecting bolt (3), and is a plurality of connecting bolt (3) are used for being connected with the automobile body, each connecting bolt (3) are close to the one end of automobile body is provided with first neck section (5), each connecting bolt (3) are close to the one end of going up suspension assembly (1) all is provided with second neck section (6), each connecting bolt (3) still including set up in first neck section (5) with third neck section (7) between second neck section (6), wherein, first neck section (5), second neck section (6) with the diameter of third neck section (7) increases in proper order and sets up, be provided with the external screw thread on third neck section (7).

2. Upper suspension system facilitating assembly of a strut according to claim 1, characterized in that the first neck section (5) is provided with a first chamfer close to the body ground end, the junction of the third neck section (7) and the first neck section (5) is provided with a second chamfer, the first chamfer being smaller than the second chamfer.

3. The upper suspension system for facilitating assembly of a strut of claim 2, wherein the first chamfer is A1 and the second chamfer is A2, wherein 60 ° is less than or equal to A1 is less than or equal to 70 °,40 ° is less than or equal to A2 is less than or equal to 50 °.

4. An upper suspension system facilitating assembly of a strut according to any one of claims 1 to 3, wherein the first neck section (5) has a length L1, the second neck section (6) has a length L2, and the third neck section (7) has a length L3, wherein 3mm +.l1 +.5 mm,5mm +.l2 +.6mm, 17mm +.l3.ltoreq.20mm.

5. An upper suspension system facilitating assembly of a strut according to any one of claims 1 to 3, wherein the diameter of the first neck section (5) is Y1, the diameter of the second neck section (6) is Y2, and the diameter of the third neck section (7) is Y3, wherein 4mm +.y1 +.6mm, 11mm +.y2 +.12mm, 6mm +.y3 +.8mm.

6. The upper suspension system for facilitating a strut assembly of claim 1, wherein the upper suspension system comprises a shock absorber and a strut coupled to the shock absorber, the upper suspension system for facilitating a strut assembly further comprising:

the guiding auxiliary tool (2), the bottom of guiding auxiliary tool (2) is provided with the polygon slotted hole, the top of bumper shock absorber be provided with polygon nut (4) of polygon slotted hole adaptation, guiding auxiliary tool (2) are cylindric structure, the top of guiding auxiliary tool (2) is provided with curved direction profile, the direction profile is used for cooperating with the centre bore of automobile body, in order to with the central axis of traveller with the central axis of centre bore aligns.

7. The upper suspension system for facilitating assembling of a sliding column according to claim 6, wherein a plurality of grooves are arranged on the side surface of the guide auxiliary tool (2) at intervals along the circumferential direction, the grooves are arranged along the axial extension of the guide auxiliary tool (2), and the width of the grooves is Z, and is more than or equal to 10mm and less than or equal to 15mm.

8. Upper suspension system facilitating the assembly of a strut according to claim 6, characterized in that the guide aid (2) is made of at least one of plastic, metal, ceramic material.

9. The upper suspension system for facilitating the assembly of a strut according to claim 6, characterized in that the guide aid (2) comprises a locking clasp having an operating position locking the guide aid (2) with the shock absorber and an unlocked position in which the guide aid (2) is disengaged from the shock absorber.

10. A vehicle comprising an upper suspension system for facilitating a strut assembly, wherein the upper suspension system for facilitating a strut assembly is the upper suspension system for facilitating a strut assembly of any one of claims 1 to 9.