CN219969726U

CN219969726U - Connecting seat and folding bicycle with same

Info

Publication number: CN219969726U
Application number: CN202321372822.3U
Authority: CN
Inventors: 胡军敏
Original assignee: Ninghai Pengli Tourism Products Co ltd
Current assignee: Ninghai Pengli Tourism Products Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-07
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a connecting seat and a folding vehicle with the connecting seat, which comprise a hinge part for connecting a folding assembly and a sleeving part for connecting a vertical rod assembly, wherein a splicing hole is formed in the sleeving part, so that the sleeving part can be sleeved on the vertical rod assembly along the axial direction, a first limiting hole and a second limiting hole are respectively formed in the sleeving part and the vertical rod assembly, an elastic positioning structure is arranged in the vertical rod assembly, a clamping hole is formed in the side wall of the sleeving part, when the elastic positioning structure is matched with the clamping hole, the first limiting hole and the second limiting hole are concentrically arranged, the splicing hole penetrates through the sleeving part along the axial direction, an insulation cover is arranged at the top end of the splicing hole, a first clamping groove for installing a transverse rod installation seat is further formed at the top end of the sleeving part, and the transverse rod installation seat can be axially inserted into the first clamping groove and tightly pressed against the insulation cover. The connecting seat is convenient to install, high in stability and various in functions.

Description

Connecting seat and folding bicycle with same

Technical Field

The utility model relates to the technical field of folding vehicles, in particular to a connecting seat and a folding vehicle with the same.

Background

The handcart is used as a tool for on-site material transportation in industrial production and shopping of people, and brings great convenience to production and life. Many of the common trolleys are not foldable, wheels are usually arranged below a flat plate for carrying, the trolleys cannot be folded, and when the trolleys are not used, a large space is occupied, and the trolleys are inconvenient to use, so that the trolleys are designed for being carried conveniently.

The folding cart mostly comprises a vertical rod component for constructing a frame and a folding component for realizing a folding function, wherein the vertical rod component and the folding component are connected through a connecting seat, and the connecting seat generally comprises a hinge part and a sleeving part, so that the connecting seat can be sleeved on the vertical rod component and hinged with the folding component.

However, the existing connecting seat is inconvenient to install, the stability is insufficient after the installation is completed, and the connecting seat only has the function of connecting the folding assembly and the vertical rod assembly and is too single.

Disclosure of Invention

The utility model aims to provide the connecting seat which is convenient to install, high in stability and various in functions.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a connecting seat, is including the articulated portion that is used for connecting folding subassembly and the portion of cup jointing that is used for connecting the pole setting subassembly, its characterized in that: the socket joint part is internally provided with a plug hole so that the socket joint part can be axially sleeved on the vertical rod assembly, the socket joint part and the vertical rod assembly are respectively provided with a first limit hole and a second limit hole, the vertical rod assembly is internally provided with an elastic positioning structure, the side wall of the socket joint part is provided with a clamping hole, when the elastic positioning structure is matched with the clamping hole, the first limiting hole and the second limiting hole are concentrically arranged, the inserting hole penetrates through the sleeve joint part along the axial direction, an isolation cover is arranged at the top end of the inserting hole, a first clamping groove for installing a rail mounting seat is further formed in the top end of the sleeve joint part, and the rail mounting seat can be axially inserted into the first clamping groove and tightly pressed against the isolation cover.

As one preference, the spliced eye top is equipped with the mounting groove, the embedding of isolated lid is in the mounting groove, first joint groove sets up the week side of mounting groove, be equipped with spacing arch on the rail mount pad, works as the rail mount pad inserts along the axial in the first joint groove, spacing protruding bottom with isolated lid top offsets, thereby cooperates the mounting groove restriction isolated lid's axial displacement.

As another preferable mode, the mounting groove is provided with a groove part, the isolation cover is provided with a protruding part, and the protruding part and the groove part are matched to limit the circumferential rotation of the isolation cover.

Further preferably, a gap is provided between the convex portion and the bottom wall of the concave portion.

Further preferably, the number of the hinge parts is two, the number of the first clamping grooves is also two, and the directions of the mounting holes on the two rail mounting seats mounted in the first clamping grooves respectively correspond to one hinge part.

Further preferably, the elastic positioning structure comprises a positioning pin and a spring, two ends of the spring are respectively propped against the inner wall of the vertical rod assembly and the bottom end of the positioning pin, the spring can drive the positioning pin to move outwards under the action of no external force, the bottom end of the positioning pin is provided with a diameter expanding part, and the diameter expanding part is used for limiting the positioning pin to separate from the vertical rod assembly.

Further preferably, an inner groove is arranged on the opening at the outer side of the clamping hole.

Further preferably, a first clamping block is arranged at the bottom end of the rail mounting seat, and the cross section of the first clamping block and the cross section of the first clamping groove are of an adaptive T-shaped structure.

Further preferably, the top end of the sleeving part is further provided with a second clamping groove for installing a supporting piece, the supporting piece can be axially inserted into the second clamping groove, the supporting piece is provided with a second clamping block, and the section of the second clamping block and the section of the second clamping groove are in an adaptive arrow-shaped structure.

The utility model also provides a folding bicycle, which comprises the connecting seat.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the elastic positioning structure and the clamping hole are added in the matching of the connecting seat and the vertical rod component, so that the connecting stability between the connecting seat and the vertical rod component can be improved, the automatic positioning effect can be achieved, a user can align the first limiting hole and the second limiting hole only by realizing the matching of the elastic positioning structure and the clamping hole, then parts such as bolts can be directly used for further fixing, manual alignment is not needed, the connecting seat is not needed to be held by a hand when the parts are taken, and the operation is simpler and more convenient.

(2) According to the utility model, the plug hole is arranged as the penetrating structure, so that a user can put a tool into the upright component from the opening at the top end of the connecting seat to mount and subsequently maintain the elastic positioning structure, and the connecting seat is not required to be detached, so that the tool is very convenient.

(3) The utility model sets the insulating cover on the top of the plug hole, thus can prevent dust and liquid from entering the pole setting component during use and storage.

(4) According to the utility model, the first clamping groove is formed in the top end of the sleeving part, and the first clamping groove can be used for installing the rail mounting seat, so that the rails can be arranged between the connecting seats, the limiting and protecting effects on the internal frame of the folding vehicle are further improved, the isolation cover can be pressed when the rail mounting seat is installed, the limiting structure on the isolation cover is not required to be increased, and the structure is simple and convenient.

Drawings

FIG. 1 is a schematic view of a folding cart including a connecting seat according to the present utility model;

FIG. 2 is a schematic view of the structure of the connecting base and upright component, folding component and frame of the present utility model;

FIG. 3 is an exploded view of the connector base and various components of the present utility model;

FIG. 4 is a top view of the connecting base of the present utility model in combination with various components;

FIG. 5 is a cross-sectional view of a first clamping groove and a first clamping block of the present utility model;

FIG. 6 is a schematic view of the structure of the connecting base and pole assembly of the present utility model when connected;

figure 7 is a cross-sectional view of the coupling seat and pole assembly of the present utility model when coupled.

In the figure: 1. a socket joint part; 11. a plug hole; 12. a first limiting hole; 13. a clamping hole; 131. an inner groove; 14. a first clamping groove; 15. a mounting groove; 151. a groove portion; 16. a second clamping groove; 2. a hinge part; 3. a rail mounting seat; 31. a limit protrusion; 32. a first clamping block; 4. an isolation cover; 41. a boss; 5. a support; 51. a second clamping block; 6. a pole assembly; 61. a second limiting hole; 62. an elastic positioning structure; 621. a positioning pin; 6211. an expanded diameter portion; 622. a spring; 7. a folding assembly; 8. a frame body.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, 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 but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the prior art, the connecting seat is generally fixed on the outer rod body or the inner telescopic rod in the upright rod assembly through bolting, and the inventor of the utility model finds that when the connecting seat is actually installed, two holes for installing bolts need to be considered to be aligned, and when a tool is taken away after the two holes are aligned, the connecting seat needs to be always held, so that the holes are prevented from being misplaced due to rotation, the connecting seat is quite inconvenient, and the stability is insufficient when the connecting seat is singly connected through bolts, and the loosening condition possibly occurs.

As an improvement, as shown in fig. 1-7, the preferred embodiment of the present utility model is:

the utility model provides a connecting seat, including the articulated portion 2 that is used for connecting folding subassembly 7 and the portion of cup jointing 1 that is used for connecting pole setting subassembly 6, cup jointing portion 1 inside is equipped with spliced eye 11, so that cup jointing portion 1 can be along the axial cover on pole setting subassembly 6, and be equipped with first spacing hole 12 and second spacing hole 61 on cup jointing portion 1 and the pole setting subassembly 6 respectively, pole setting subassembly 6 inside is equipped with elastic locating structure 62, be equipped with joint hole 13 on the portion of cup jointing 1 lateral wall, when elastic locating structure 62 cooperates with joint hole 13, first spacing hole 12 and second spacing hole 61 are concentric to be set up, and the spliced eye runs through cup jointing portion 1 along the axial, the spliced eye 11 top is equipped with isolated lid 4, cup jointing portion 1 top still is equipped with the first joint groove 14 that is used for installing rail mount pad 3, rail mount pad 3 can be along the axial insert in the first joint groove 14, and compress tightly isolated lid 4.

Aiming at the technical problems, the elastic positioning structure 62 and the clamping hole 13 are added in the matching of the connecting seat and the upright component 6, so that the connecting stability between the connecting seat and the upright component 6 can be improved, the automatic positioning effect can be achieved on the other hand, the alignment of the first limiting hole 12 and the second limiting hole 61 can be achieved only by a user by matching the elastic positioning structure 62 and the clamping hole 13, then the parts such as bolts can be directly used for further fixing, manual alignment is not needed, the connecting seat is not needed to be held by a hand when the parts are taken, and the operation is simpler and more convenient.

Further, the inventor of the present utility model has found that since the elastic positioning structure 62 installed inside the pole assembly 6 is provided, the elastic positioning structure 62 needs to be accessed into the pole assembly 6 for operation during installation and subsequent maintenance, if the upper part of the connecting seat is still sealed as in the prior art, the connecting seat needs to be detached first every time the connecting seat is maintained and replaced, which is inconvenient, and therefore, the plugging hole in the present utility model penetrates the socket part 1 along the axial direction, so that a user can put a tool into the pole assembly 6 from the top opening of the connecting seat for installation and subsequent maintenance of the elastic positioning structure 62, and the connecting seat does not need to be detached, which is convenient.

Further, the inventor of the present utility model has found that the opening above the socket part 1 increases the probability of dust entering the inside of the pole assembly 6 although the operation is facilitated, and therefore, the present utility model provides the insulating cover 4 at the top end of the insertion hole, thereby effectively preventing dust and liquid from entering the pole assembly 6 during use and storage, and effectively protecting the pole assembly.

Furthermore, the inventor of the present utility model finds that the conventional connecting seat can only play a role of connecting the folding assembly 7 and the upright assembly 6, and has a single function, so that the top end of the sleeving part 1 is provided with the first clamping groove 14, and the first clamping groove 14 can be used for installing the rail mounting seat 3, so that a rail can be further arranged between the connecting seats of the present utility model, and the restriction and protection effects on the inner frame 8 of the folding vehicle are further increased. In addition, if the limit structure of the isolation cover 4 is additionally arranged, the convenience in using the whole structure is affected, and the opposite effect is achieved, so that the inventor of the utility model has a plurality of aspects, and the rail mounting seat 3 is arranged to be capable of tightly pressing the isolation cover 4 during mounting, so that the limit of the isolation cover 4 is achieved, the structure is simple and convenient, the design is ingenious, and the rail mounting seat 3 can not only play a role in mounting a railing, but also can be a limit structure for the isolation cover 4.

Specifically, as shown in fig. 3 and 4, in this embodiment, the top end of the plugging hole 11 is provided with a mounting groove 15, the insulating cover 4 is embedded in the mounting groove 15, the first clamping groove 14 is disposed on the peripheral side of the mounting groove 15, the rail mounting seat 3 is provided with a limiting protrusion 31, and when the rail mounting seat 3 is axially inserted into the first clamping groove 14, the bottom end of the limiting protrusion 31 abuts against the top end of the insulating cover 4, so as to cooperate with the mounting groove 15 to limit the axial movement of the insulating cover 4. The structure is simple and stable, and the protruding degree of the limiting protrusion 31 is only required to be set during production, so that the limiting protrusion 31 can enter the mounting groove 15.

Further, in the present embodiment, the installation groove 15 is provided with a groove 151, the insulation cover 4 is provided with a protrusion 41, and the protrusion 41 and the groove 151 cooperate to limit the circumferential rotation of the insulation cover 4. The above-described structure reliably ensures the circumferential position limiting function for the barrier cover 4,

further, as shown in fig. 4, in the present embodiment, a gap is provided between the convex portion 41 and the bottom wall of the concave portion 151. The above structure is used for reserving a space for inserting fingers so that a user can easily and laborsaving buckle the isolation cover 4.

As shown in fig. 2 and 4, in the present embodiment, the bottom end of the rail mounting seat 3 is provided with a first clamping block 32, and the cross section of the first clamping block 32 and the first clamping groove 14 is in an adapted T-shaped structure. The structure is simple and stable, radial limit can be realized after the first clamping block 32 is inserted into the first clamping groove 14, and the structure meets the use requirement.

Further, in the present embodiment, there are two hinge portions 2, two first engaging grooves 14 are provided, and the mounting hole orientations on the two rail mounting seats 3 mounted in the first engaging grooves 14 correspond to one hinge portion 2, respectively. The correspondence means that the folding assemblies 7 connected to the hinge portions 2 are parallel to the rails mounted on the rail mounting bases 3, and the rails are arranged to correspond to the folding assemblies 7, namely to the inner frames 8, because the inner frames 8 are mostly the same in shape as the folding assemblies 7 are formed around in actual use.

As shown in fig. 3 and 4, in this embodiment, the top end of the sleeve joint part 1 is further provided with a second clamping groove 16 for installing the support member 5, the support member 5 can be axially inserted into the second clamping groove 16, and the support member 5 is provided with a second clamping block 51, and the cross section of the second clamping block 51 and the second clamping groove 16 is in an adaptive arrow-shaped structure. The structure is simple and stable, the connection stability of the second clamping block 51 and the connecting seat is reliably guaranteed, and the supporting piece 5 can play a role in increasing the stability of the inner frame 8.

As shown in fig. 6 and 7, in the present embodiment, the elastic positioning structure 62 includes a positioning pin 621 and a spring 622, two ends of the spring 622 respectively abut against an inner wall of the upright component 6 and a bottom end of the positioning pin 621, the spring 622 can drive the positioning pin 621 to move outwards without external force, an expanded diameter portion 6211 is provided at the bottom end of the positioning pin 621, and the expanded diameter portion 6211 is used for limiting the positioning pin 621 from separating from the upright component 6. The structure reliably realizes automatic positioning, and has simple structure, convenient installation and low manufacturing cost.

Further, in the present embodiment, the inner groove 131 is provided on the outer opening of the clamping hole 13. The structure can effectively reduce the required transverse length of the positioning pin 621 penetrating out of the clamping hole 13, so that the structure of the positioning pin 621 can be optimized, the manufacturing cost of the positioning pin 621 is reduced, and the sensitivity of automatic positioning can be increased.

As shown in FIG. 1, the utility model also provides a folding cart, which comprises the connecting seat.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a connecting seat, is including the articulated portion that is used for connecting folding subassembly and the portion of cup jointing that is used for connecting the pole setting subassembly, its characterized in that: the socket joint part is internally provided with a plug hole so that the socket joint part can be axially sleeved on the vertical rod assembly, the socket joint part and the vertical rod assembly are respectively provided with a first limit hole and a second limit hole, the vertical rod assembly is internally provided with an elastic positioning structure, the side wall of the socket joint part is provided with a clamping hole, when the elastic positioning structure is matched with the clamping hole, the first limiting hole and the second limiting hole are concentrically arranged, the inserting hole penetrates through the sleeve joint part along the axial direction, an isolation cover is arranged at the top end of the inserting hole, a first clamping groove for installing a rail mounting seat is further formed in the top end of the sleeve joint part, and the rail mounting seat can be axially inserted into the first clamping groove and tightly pressed against the isolation cover.

2. A connector as defined in claim 1, wherein: the plug hole top is equipped with the mounting groove, the embedding of isolated lid is in the mounting groove, first joint groove sets up the week side of mounting groove, be equipped with spacing arch on the rail mount pad, work as the rail mount pad inserts along the axial in the first joint groove, spacing protruding bottom with isolated lid top offsets, thereby cooperates the mounting groove restriction isolated lid's axial displacement.

3. A connector as defined in claim 2, wherein: the mounting groove is provided with a groove part, the isolation cover is provided with a protruding part, and the protruding part and the groove part are matched to limit circumferential rotation of the isolation cover.

4. A connector as claimed in claim 3, wherein: a gap is formed between the protruding portion and the bottom wall of the groove portion.

5. A connector as defined in claim 1, wherein: the hinge parts are two, the first clamping grooves are also two, and the directions of mounting holes on the two rail mounting seats in the first clamping grooves correspond to one hinge part respectively.

6. A connector as defined in claim 1, wherein: the elastic positioning structure comprises a positioning pin and a spring, two ends of the spring respectively prop against the inner wall of the vertical rod assembly and the bottom end of the positioning pin, the spring can drive the positioning pin to move outwards under the action of no external force, the bottom end of the positioning pin is provided with a diameter expanding part, and the diameter expanding part is used for limiting the positioning pin to be separated from the vertical rod assembly.

7. A connector as claimed in claim 1 or 6, wherein: an inner groove is formed in the opening at the outer side of the clamping hole.

8. A connector as defined in claim 1, wherein: the bottom end of the rail mounting seat is provided with a first clamping block, and the cross section of the first clamping block and the cross section of the first clamping groove are of an adaptive T-shaped structure.

9. A connector as defined in claim 1, wherein: the top end of the sleeving part is also provided with a second clamping groove for installing a supporting piece, the supporting piece can be axially inserted into the second clamping groove, the supporting piece is provided with a second clamping block, and the section of the second clamping block and the section of the second clamping groove are in an adaptive arrow-shaped structure.

10. A folding cart, characterized in that: comprising a connection socket according to claims 1-9.