CN217582861U

CN217582861U - Folding joint

Info

Publication number: CN217582861U
Application number: CN202221588210.3U
Authority: CN
Inventors: 张雪山; 王景海
Original assignee: Weihai Haiwen Outdoor Products Co ltd
Current assignee: Weihai Haiwen Outdoor Products Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-14
Anticipated expiration: 2032-06-23

Abstract

The application discloses a folding joint which comprises a first adapter, a second adapter, a first locking block, a second locking block and a locking switch, wherein two connecting columns are arranged on the first locking block, and two fixed connecting holes are formed in the second locking block; the first adapter and the second adapter are respectively provided with a rod body connecting part and a locking connecting part, the first adapter and the second adapter are respectively installed on a connecting column of the first locking block through a connecting column inserting hole in the locking connecting part and can rotate along the connecting column, the first adapter and the second adapter are clamped by the first locking block and the second locking block, and the locking switch is used for locking the first locking block and the second locking block. The folding joint of the utility model can simultaneously connect and lock the section bars with two specifications, and has wide application range; the installation angle of the rod body can be adjusted, and the use is flexible; the folding joint is simple to open and lock and labor-saving; after being folded, the utility model has small volume and is convenient for storage and transportation.

Description

Folding joint

Technical Field

The utility model relates to a folding and locking field of the body of rod, concretely relates to folding joint.

Background

In many applications of the rod body, the rod body is usually designed to be a folding structure, and the folded rod body occupies a small space and is convenient to store, carry and transport. For example, in the fishing process, the winding device is needed to be utilized to wind the fishing line on the fishing line wheel or wind the fishing line back to the line disk from the fishing line wheel, the rod body is needed to be utilized in the fishing process, the winding device is assembled at one end of the rod body, the fishing line wheel is assembled at the other end of the rod body, and the rod body simultaneously supports the winding device and the fishing line wheel to enable the winding device to wind or take up the fishing line for the fishing line wheel. In order to ensure convenient operation, the length of the rod body cannot be too short, and the longer rod body is inconvenient in the carrying process. And the connection of the existing folding rod body and the folding operation are troublesome, the connecting joint can not be simultaneously connected with the sectional materials with different specifications, and the installation angle is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

In order to solve among the prior art folding body of rod connect, folding troublesome poeration, the section bar of different specifications can not be connected simultaneously to the attach fitting, and installation angle adjusts inconvenient scheduling problem, this application provides one kind can connect the same or different specification section bars simultaneously, connect, folding easy operation's folding joint.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

the folding joint comprises a first adapter, a second adapter, a first locking block, a second locking block and a locking switch, wherein two connecting columns which are parallel to each other are arranged in the middle of the first locking block, and two fixed connecting holes which are matched with the connecting columns are arranged in the middle of the second locking block; the first adapter and the second adapter are respectively provided with a rod body connecting portion and a locking connecting portion, the first adapter and the second adapter are respectively installed on a connecting column of the first locking block through a connecting column inserting hole in the locking connecting portion and can rotate along the connecting column, two fixed connecting holes of the second locking block are respectively matched with the two connecting columns of the first locking block, the first adapter and the second adapter are clamped and fixed by the first locking block and the second locking block, and the locking switch is used for locking the first locking block and the second locking block.

Preferably, the locking switch comprises an eccentric cam part and a handle, and the eccentric cam part is hinged with the two connecting columns of the first locking block through a pin shaft. The handle is held to drive the eccentric cam portion to rotate, when the eccentric cam portion presses the second locking block downwards, the first locking block and the second locking block press the first adapter and the second adapter tightly, and the connected rod body is locked. The pin shaft is preferably a knurled cylindrical pin.

Preferably, the handle rear portion is equipped with the locking flange, is equipped with the locking inclined plane on the first locking piece, and the locking flange cooperates with the locking inclined plane, and locking switch and first locking piece locking.

As a preferred mode, the eccentric cam part is provided with a first connecting column installation part and a second connecting column installation part, first pin shaft installation holes are formed in two sides of the first connecting column installation part and two sides of the second connecting column installation part, second pin shaft installation holes are formed in the connecting columns, and the pin shafts penetrate through the first pin shaft installation holes and the second pin shaft installation holes to fix the eccentric cam and the connecting columns.

As a preferable mode, the first locking block and the second locking block are provided with locking teeth a on the connection surfaces with the first adapter and the second adapter, the locking teeth a are radially arranged around the connection column or the fixed connection hole, correspondingly, the locking teeth B are provided on the surfaces of the first adapter and the second adapter, which are matched with the first locking block and the second locking block, the locking teeth B are radially arranged around the connection column insertion hole, and the locking teeth a and the locking teeth B are engaged with each other.

The tooth shapes of the locking teeth A and the locking teeth B are triangular or isosceles trapezoid.

Preferably, the front parts of the first adapter and the second adapter locking connecting part are arc-shaped, and the rectangular rear parts of the first adapter and the second adapter locking connecting part are connected with the rod body connecting part.

As a preferred mode, a rod body connecting cavity is arranged on the rod body connecting part of the first adapter and the second adapter, and the pipe diameters of inner cavities of the rod body connecting cavity are the same or different.

Preferably, the rod body is connected with the rod body connecting cavity through threads.

As a preferable mode, the rod body is in interference fit with the rod body connecting cavity.

Preferably, the axial directions of the rod body connecting cavities of the first adapter and the second adapter are respectively perpendicular to the axial directions of the locking connecting parts of the first adapter and the second adapter.

The beneficial effects of the utility model are that: (1) The folding joint can be simultaneously connected with and locks the section bars (rod bodies) with two specifications, and the application range is wide. And (2) the mounting angle of the rod body can be adjusted, and the use is flexible. (3) The folding joint is easy to open and lock in the using process, and labor is saved. And (4) after being folded, the volume is small, and the storage and the transportation are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the folding joint structure of the present invention (unlocked state).

Fig. 2 is a schematic view of the folding joint structure (locked state) of the present invention.

Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a front view of the first locking block.

Fig. 5 is a top view of the first lock block.

Fig. 6 is a front view of the second locking block.

Fig. 7 is a top view of the second locking segment.

Fig. 8 is a front view of the lock switch.

Fig. 9 is a side view of the locking switch.

Figure 10 is a front view of the first swivel.

FIG. 11 is a side view of the first adapter.

Figure 12 is a front view of a second adapter.

Figure 13 is a side view of a second adapter.

Fig. 14, 15 and 16 are schematic views of the first adapter and the second adapter in different folded states.

1 first locking piece, 11 locking inclined planes, 12, 13 spliced poles, 14 second round pin axle mounting holes, 15 locking tooth A,2 second locking pieces, 21 locking tooth A,22, 23 fixed connection holes, 3 locking switches, 31 eccentric cam portions, 32 handles, 33 locking flanges, 34 first round pin axle mounting holes, 35 first spliced pole installation portions, 36 second spliced pole installation portions, 4 first adapters, 41 locking connection portions, 411 front portions, 412 rear portions, 42 rod body connection portions, 43 rod body connection cavities, 44 locking tooth B,45 spliced pole spliced holes, 5 second adapters, 51 locking connection portions, 511 front portions, 512 rear portions, 52 rod body connection portions, 53 rod body connection cavities, 54 locking tooth B,55 spliced pole spliced holes, and 6 round pins.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected to each other, indirectly connected to each other through an intermediate member, or connected to each other through the inside of two members. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-13, the folding joint includes a first adapter 4, a second adapter 5, a first locking block 1, a second locking block 2 and a locking switch 3, wherein the middle part of the first locking block 1 is provided with two connecting

columns

12 and 13 parallel to each other, and the second locking block 2 is provided with two

fixing connection holes

22 and 23 matched with the connecting columns; be equipped with body of rod connecting portion 42 on first adapter 4 and the second adapter 5 respectively, 52 and

locking connecting portion

41, 51, the locking connecting portion 41 of first adapter 4 and

second adapter

5, 51 are equipped with spliced pole spliced

eye

45, 55, first adapter 4 is installed on spliced pole 12 of first locking piece 1 through spliced pole spliced eye 45, second adapter 5 is installed on spliced pole 13 of first locking piece 1 through spliced pole spliced eye 55, first adapter 4 and second adapter 5 rotate along spliced pole 12 and spliced pole 13 respectively. Two

fixed connection holes

22 and 23 of the second locking block 2 are respectively matched with two connecting

columns

12 and 13 of the first locking block 1, the first adapter 4 and the second adapter 5 are clamped and fixed by the first locking block 1 and the second locking block 2, and the locking switch 3 is used for locking the first locking block 1 and the second locking block 2. Adopt first latch segment 1 and the cooperation of second latch segment 2 to be fixed first adapter 4 and second adapter 5, when locking switch 3 opened, first adapter 4 rotated relatively spliced pole 12, but second adapter 5 rotated relatively spliced pole 13, the position of adjusting first adapter 4 and second adapter 5 is in opening or fold condition, first adapter 4 and second adapter 5 can not rotate relatively spliced

pole

12, 13 behind the closed locking switch 3, whole device is in lock condition.

The locking switch 3 can adopt an adjusting nut, the upper parts of the connecting

columns

12 and 13 are provided with external threads, the adjusting nut is matched with the external threads, and the adjusting nut compresses the first locking block 1 and the second locking block 2. But the locking and unlocking operations of the adjusting nut structure are more complicated. In this embodiment, the locking switch 3 includes an eccentric cam portion 31 and a handle 32, and the eccentric cam portion 31 is hinged to the two connecting

posts

12 and 13 of the first locking block 1 by a pin 6. The eccentric cam portion 31 is provided with a first connecting column mounting portion 35 and a second connecting column mounting portion 36, first pin shaft mounting holes 34 are formed in two sides of the first connecting column mounting portion 35 and the second connecting column mounting portion 36, second pin shaft mounting holes 14 are formed in the connecting

columns

12 and 13, the two connecting

columns

12 and 13 are respectively assembled on the first connecting column mounting portion 35 and the second connecting column mounting portion 36, and the pin shaft 6 penetrates through the first pin shaft mounting holes 34 and the second pin shaft mounting holes 14 to fix the eccentric cam portion 31 with the connecting

columns

12 and 13. The pin 6 is preferably a knurled cylindrical pin. The handle 32 is held to drive the eccentric cam portion 31 to rotate, when the eccentric cam portion 31 presses the second locking block 2 downwards, the first locking block 1 and the second locking block 2 press the first adapter 4 and the second adapter 5, the positions of the first adapter 4 and the second adapter 5 are kept fixed, and then the connected rod bodies are locked.

In this embodiment, the rear portion of the handle 32 is provided with a locking flange 33, the first locking block 1 is provided with a locking inclined surface 11, the locking flange 33 is matched with the locking inclined surface 11, and the locking switch 3 is locked with the first locking block 1. The structure is convenient to operate and labor-saving. The locking between the handle 32 and the first locking block 1 can also be achieved in other ways, such as by means of a protrusion cooperating with a slot.

In order to improve the locking strength between the first locking block 1 and the second locking block 2 and the first adapter 4 and the second adapter 5, locking teeth a15 and 21 are arranged on the connecting surfaces of the first locking block 1 and the second locking block 2 and the first adapter 4 and the second adapter 5, the locking teeth a15 on the first locking block are radially arranged around the connecting

columns

12 and 13, the locking teeth a21 on the second locking block 2 are radially arranged around the

fixing connecting holes

22 and 23, correspondingly, locking teeth B44 and 54 are arranged on the surfaces of the first adapter 4 and the second adapter 5, which are matched with the first locking block 1 and the second locking block 2, the locking teeth B44 and 54 are radially arranged around the connecting

column inserting holes

45 and 55, and the locking teeth a15 and 21 are meshed with the locking teeth B44 and 54. The locking teeth A15 and A21 and the locking teeth B44 and B54 are matched with the protrusions and the grooves, so that the first adapter 4 and the second adapter 5 are firmly locked in a locking state and cannot move freely. The tooth profiles of the locking teeth a15, 21 and the locking teeth B44, 54 are triangular or isosceles trapezoidal.

In this embodiment, the

front portions

411 and 511 of the

locking connection portions

41 and 51 of the first adapter 4 and the second adapter 5 are arc-shaped, and the rectangular

rear portions

412 and 512 are connected to the

rod connection portions

42 and 52. The arc-shaped front structure enables the first adapter 4 and the second adapter 5 not to influence each other in the rotating process, occupies small space and smoothly rotates around the connecting

columns

12 and 13. The design enables the volume of the folding joint to be as small as possible, saves cost and is favorable for carrying and transportation.

Rod

body connecting cavities

43 and 53 are arranged on the rod

body connecting parts

42 and 52 of the first adapter 4 and the second adapter 5, and the pipe diameters of the inner cavities of the rod

body connecting cavities

43 and 53 are the same or different. The body of rod that

chamber

43, 53 and different section bars were made is connected to the body of rod, and the shape and the section bar phase-match of body of

rod connection chamber

43, 53, and the locking connecting portion 41 of first adapter 4 and

second adapter

5, 51 process into general standard component and the cooperation of the first latch segment 1 and the second latch segment 2 of standard and use, can assemble assorted folding joint according to body of rod shape is nimble, and application scope is wide, is favorable to practicing thrift the cost. The connection between the rod body and the rod

body connecting cavities

43 and 53 can be various, for example, the rod body and the rod

body connecting cavities

43 and 53 are connected by threads, interference fit or adhesive.

In this embodiment, the axial directions of the

rod connecting cavities

43 and 53 of the first and

second adapters

4 and 5 are perpendicular to the axial directions of the

locking connections

41 and 51 of the first and

second adapters

4 and 5, respectively, referring to fig. 10, a is the axial direction of the

locking connections

41 and 51 of the first adapter 4, b is the axial direction of the

rod connecting cavities

43 and 53, and a and b are perpendicular. The structure is convenient to manufacture, and the space is saved.

In fig. 14, the angle between the first adapter 4 and the second adapter 5 is 180 °, the folding adapter is in a fully opened and locked state, in fig. 16, the angle between the first adapter 4 and the second adapter 5 is 0 °, the folding adapter is in a fully folded and locked state, in fig. 15, the angle between the first adapter 4 and the second adapter 5 is 90 °, and the folding adapter is in an angled folded state. The utility model discloses contained angle between first adapter 4 and the second adapter 5 can freely be adjusted at 0-180 the scope, and locking switch 3 can keep rigidity after carrying out the locking to reach the adjustment body of rod installation angle purpose.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Folding joint, its characterized in that: the locking device comprises a first adapter, a second adapter, a first locking block, a second locking block and a locking switch, wherein two connecting columns which are parallel to each other are arranged in the middle of the first locking block, and two fixing connecting holes which are matched with the connecting columns are arranged in the middle of the second locking block; the first adapter and the second adapter are respectively provided with a rod body connecting portion and a locking connecting portion, the first adapter and the second adapter are respectively installed on a connecting column of the first locking block through a connecting column inserting hole in the locking connecting portion and can rotate along the connecting column, two fixed connecting holes of the second locking block are respectively matched with the two connecting columns of the first locking block, the first adapter and the second adapter are clamped and fixed by the first locking block and the second locking block, and the locking switch is used for locking the first locking block and the second locking block.

2. The folding joint of claim 1, wherein: the locking switch comprises an eccentric cam part and a handle, and the eccentric cam part is hinged with the two connecting columns of the first locking block through a pin shaft.

3. The folding joint of claim 2, wherein: the handle rear portion is equipped with the locking flange, is equipped with the locking inclined plane on the first locking piece, and locking flange and locking inclined plane cooperation, locking switch and first locking piece locking.

4. The folding joint of claim 2, wherein: the eccentric cam part is provided with a first connecting column mounting part and a second connecting column mounting part, first pin shaft mounting holes are formed in two sides of the first connecting column mounting part and the second connecting column mounting part, second pin shaft mounting holes are formed in the connecting columns, and the pin shafts penetrate through the first pin shaft mounting holes and the second pin shaft mounting holes to fix the eccentric cam and the connecting columns.

5. The folding joint of claim 4, wherein: the pin shaft is a knurled cylindrical pin.

6. The folding joint of any of claims 1-4, wherein: the locking tooth A is arranged on the connecting surfaces of the first locking block and the second locking block and the first adapter and the second adapter, the locking tooth A is radially arranged around the connecting column or the fixed connecting hole, correspondingly, the locking tooth B is arranged on the surfaces of the first adapter and the second adapter, which are matched with the first locking block and the second locking block, the locking tooth B is radially arranged around the connecting column inserting hole, and the locking tooth A is meshed with the locking tooth B.

7. The folding joint of claim 6, wherein: the tooth shapes of the locking teeth A and the locking teeth B are triangular or isosceles trapezoid.

8. The folding joint of claim 1, wherein: the front parts of the first adapter and the second adapter locking connecting part are arc-shaped, and the rectangular rear part is connected with the rod body connecting part.

9. The folding joint of claim 1, wherein: and the rod body connecting parts of the first adapter and the second adapter are provided with rod body connecting cavities, and the pipe diameters of the inner cavities of the rod body connecting cavities are the same or different.

10. The folding joint of claim 9, wherein: the axial direction of the rod body connecting cavity of the first adapter and the second adapter is respectively vertical to the axial direction of the locking connecting part of the first adapter and the second adapter.