CN215634353U

CN215634353U - Folding connecting piece

Info

Publication number: CN215634353U
Application number: CN202121860778.1U
Authority: CN
Inventors: 李丽; 韩克谦; 袁志娟; 祝跃龙
Original assignee: Weihai Guangwei Composites Co Ltd
Current assignee: Weihai Guangwei Composite Material Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-25
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a folding connecting piece which comprises a base, wherein one end of the base is connected with a ladder section of a working ladder, and the other end of the base is provided with a male connector, and a through hole is formed in the male connector; one end of the rotary connecting piece is connected with the handrail, the other end of the rotary connecting piece is provided with a female joint, a rotary groove for placing a male joint is formed in the female joint, and the male joint can rotate in the rotary groove; the folding connecting piece can rotate in the female joint of the rotary connecting piece through the male joint on the base, and the male joint and the female joint are fixedly connected together through the fixing piece, so that the rotary connecting piece can rotate relative to the base.

Description

Folding connecting piece

Technical Field

The utility model relates to the field of connection design of fiber composite material working ladders, in particular to a folding connecting piece.

Background

With the gradual maturity of fiber composite material technology, people no longer satisfy light weight, high strength but function singleness combined material work ladder handrail, expect that combined material work ladder handrail possess more functions when light weight is high strength. The connecting piece of the prior composite material working ladder handrail has the defects of single function and incapability of folding.

Therefore, there is a need to provide a folding joint that solves the above problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding connecting piece which can enable a composite material working ladder handrail to have the folding effect.

To achieve the above object, the present invention provides a folding connector, comprising: one end of the base is connected with the ladder section of the working ladder, and the other end of the base is provided with a male joint, and a through hole is formed in the male joint;

one end of the rotary connecting piece is connected with the handrail, the other end of the rotary connecting piece is provided with a female joint, a rotary groove for placing a male joint is formed in the female joint, and the male joint can rotate in the rotary groove; and

and the fixing piece can penetrate through the female connector and the through hole so as to fixedly connect the male connector and the female connector.

In one or more embodiments, the fixing member includes a fixing bolt and a fixing nut.

In one or more embodiments, the female connector is cylindrical, two hidden grooves are oppositely arranged on the side surface of the female connector, and the fixing nut and the bolt head of the fixing bolt are respectively placed in one hidden groove.

In one or more embodiments, the female joint is provided with a connection hole through which one end of a fixing bolt passes.

In one or more embodiments, a connecting groove is provided at an end of the base away from the female joint to fixedly connect to a ladder section of the working ladder.

In one or more embodiments, the folding connector further includes a support nut with internal threads, and the base is provided with external threads matching the support nut, wherein the male connector and the female connector are located in the support nut when the support nut is screwed on the base.

In one or more embodiments, an annular plate is further disposed on the rotary connector, and the annular plate can abut against the inner wall of the support nut.

In one or more embodiments, the end of the male connector distal from the base is curved.

Compared with the prior art, the folding connecting piece can rotate in the female joint of the rotary connecting piece through the male joint on the base, and the male joint and the female joint are fixedly connected together through the fixing piece, so that the rotary connecting piece can rotate relative to the base, finally, the folding connecting piece can meet the requirement of people on folding of the composite material working ladder handrail, and has the advantages of few components, simple structure, convenience in operation and high practicability.

Drawings

FIG. 1 is a schematic view of a folding connector according to one embodiment of the present invention with the support nut removed;

FIG. 2 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a rotary joint according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a fastener according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a support nut according to an embodiment of the present invention;

FIG. 6 is a schematic view of the overall construction of a folding joint according to an embodiment of the utility model;

FIG. 7 is a schematic diagram of a folding joint according to an embodiment of the utility model in a folded state.

Description of the main reference numerals:

1. a base; 11. a male connector; 111. a through hole; 112. the shape of a curved surface; 12. connecting grooves; 13. an external thread; 2. a rotating connector; 21. a female joint; 211. a rotating tank; 212. connecting holes; 213. hiding the groove; 22. an annular plate; 3. a fixing member; 31. fixing the bolt; 32. fixing a nut; 4. and supporting the nut.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1, the folding joint according to an embodiment of the present invention includes a base 1, a rotary joint 2, and a fixing member 3.

As shown in fig. 2, in one embodiment, the lower end of the base 1 is connected to a ladder section of a working ladder, the upper end of the base 1 is provided with a male connector 11, and the male connector 11 is provided with a through hole 111.

Wherein, the one end of keeping away from male joint 11 on base 1 is provided with spread groove 12, and spread groove 12 can overlap and establish on the bench of work ladder to reach the effect that is connected folding connecting piece and the bench of work ladder.

As shown in fig. 3, in one embodiment, the upper end of the rotary connector 2 is connected to the armrest, the lower end of the rotary connector 2 is provided with a female connector 21, and a rotary groove 211 is formed in the female connector 21. As shown in fig. 1, the male joint 11 can be inserted into the rotation slot 211 of the female joint 21 and can rotate freely by 180 °, so that the composite material working ladder handrail can be folded, and the female joint 21 and the male joint 11 can be fixedly connected by the fixing member 3, thereby fixing the relative positions of the female joint 21 and the male joint 11.

Wherein, one end of the male connector 11 away from the base 1 is curved 112. Facilitating rotation of the male connector 11 within the rotation slot 211 of the female connector 21.

As shown in fig. 1 and 4, in one embodiment, the fixing member 3 includes a fixing bolt 31 and a fixing nut 32, and one end of the fixing bolt 31 may pass through the through holes 111 of the female connector 21 and the male connector 11 and be connected to the fixing nut 32, thereby fixedly connecting the female connector 21 and the male connector 11.

As shown in fig. 3, in one embodiment, a side wall of the female connector 21 is provided with a connection hole 212, and one end of the fixing bolt 31 can pass through the connection hole 212 and be in threaded connection with the fixing nut 32.

In one embodiment, as shown in fig. 3, the female connector 21 has a cylindrical shape with a rotating groove 211 in the middle, two hidden grooves 213 are oppositely disposed on the sides of the female connector 21, and the fixing nut 32 and the bolt head of the fixing bolt 31 are respectively disposed in one hidden groove 213. The fixing nut 32 and the fixing bolt 31 can be prevented from extending to the outside of the cylindrical female joint 21, and the hiding groove 213 serves to place the fixing nut and the bolt head of the fixing bolt 31.

As shown in fig. 2 and 4, the screw of the fixing bolt 31 can slide up and down in the through hole 111 of the male connector 11, so as to match the position of the female connector 21 relative to the male connector 11, thereby achieving the function of fixedly connecting the female connector 21 and the male connector 11 at different relative positions.

As shown in fig. 2, 5 and 6, the folding connector further includes a support nut 4 with internal threads, and the base 1 is provided with external threads 13 matching with the support nut 4. Support nut 4 can be threaded connection on base 1, and at this moment, male joint 11 and female joint 21 all are located support nut 4's inside, and support nut 4 has wrapped up male joint 11 and female joint 21, has played the effect of guaranteeing that male joint 11 and female joint 21 are connected perpendicularly, makes male joint 11 and female joint 21 be located same straight line.

As shown in fig. 1 and fig. 6, in a specific embodiment, an annular plate 22 is further disposed on the rotary connector 2, and the annular plate 22 can abut against an inner wall of the support nut 4, so as to ensure that the upper end of the support nut 4 does not shake, and the support nut 4 can stably support the male connector 11 and the female connector 21 to be vertically connected.

As shown in fig. 7, in a specific embodiment, an included angle between the male joint 11 and the female joint 21 is 90 °, that is, the folding connection member is in a folding and rotating state, so as to achieve the effect of folding the composite material working ladder handrail.

The method of use or installation of the folding joint of the utility model will be explained in detail below: during the use, earlier be connected swivel connected coupler 2 and combined material handrail, again with the cover of support nut 4 on swivel connected coupler 2, then establish the spread groove 12 cover on the base 1 on the combined material bench and with bolt or fix with screw, then insert male joint 11 on the base 1 to swivel connected coupler 2 in the rotatory groove 211 of female joint 21, reuse fixing bolt 31 and fixing nut 32 with male joint 11 and female joint 21 fixed connection together, screw up the external screw thread 13 on support nut 4 and the base 1 and link together finally. The process of installing the composite handrail on the composite bench is completed.

When the composite material handrail and the composite material ladder section need to be folded, the supporting nut 4 is unscrewed, the fixing bolt 31 and the fixing nut 32 are unscrewed, the rotating connecting piece 2 is pulled upwards and then rotates, and finally the fixing bolt 31 and the fixing nut 32 are screwed to finish folding.

In conclusion, the folding connecting piece has the beneficial effects that: can be in the female joint 21 internal rotation of swivel connected coupler 2 through male joint 11 on the base 1 to through mounting 3 with male joint 11 and female joint 21 fixed connection together, thereby swivel connected coupler 2 can rotate for base 1, and finally this folding joint spare can satisfy people to the folding demand of combined material work ladder handrail, and folding joint spare has that component part is few, simple structure, convenient operation, practicality are strong advantage.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. A folding connector, comprising:

one end of the base is connected with the ladder section of the working ladder, and the other end of the base is provided with a male joint, and a through hole is formed in the male joint;

2. The folding connector of claim 1 wherein said fastener includes a fastening bolt and a fastening nut.

3. The folding connector of claim 2, wherein the female connector is cylindrical and has two hidden grooves formed on opposite sides thereof, and the fixing nut and the bolt head of the fixing bolt are respectively placed in one of the hidden grooves.

4. The folding connector of claim 2, wherein the female connector is provided with a coupling hole through which one end of the fixing bolt is inserted.

5. The folding hitch of claim 1, wherein an end of the base remote from the female connector is provided with a coupling slot for secure attachment to a ladder section of the work ladder.

6. The folding connector of claim 1 further comprising an internally threaded support nut, said base having external threads configured to mate with said support nut, wherein said male and female connectors are located within said support nut when said support nut is threaded onto said base.

7. The folding connector of claim 6, further comprising an annular plate disposed on said swivel connector, said annular plate being capable of abutting an inner wall of said support nut.

8. The folding connector of claim 1 wherein the end of the male connector remote from the base is curved.