CN213154473U

CN213154473U - Dog-ear joint and stand of using thereof

Info

Publication number: CN213154473U
Application number: CN202022352559.4U
Authority: CN
Inventors: 李韧
Original assignee: Hangzhou Ruiyi Outdoor Leisure Products Co ltd
Current assignee: Hangzhou Ruiyi Outdoor Leisure Products Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-05-11
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a dog-ear joint, it relates to the joint structure field of connecting, its main part is provided with the joint and connects, the joint connects including first joint and second joint, connect through articulated between first joint and the second joint, but angle regulation between articulated first joint and the second joint, be provided with the lock piece in the joint connects, the lock piece sets up inside the second joint, and with first articulate, the lock piece non-coincidence connects the pin joint that forms between first joint and second joint, can avoid the lock piece to stand to stick out outside the joint connects from this, the external structure that the joint connects has been simplified, it is more succinct, pleasing to the eye to make it, and link to each other this joint with the stand body, obtain an stand that uses above-mentioned joint to connect.

Description

Dog-ear joint and stand of using thereof

Technical Field

The utility model relates to a joint structure field, in particular to dog-ear joint and stand of using thereof.

Background

The joints used for connection and folding between the rod pieces generally adopt a structure of a one-way connecting piece with a U-shaped groove, or two movably sleeved joints, and are hinged with each other through rivets, and the two joints are pivoted and rotate by taking the rivets as axes and are matched with corresponding internal structures such as locking screens or return springs, so that the joints can rotate more flexibly and can be fixed when being supported and unfolded. For example, the rotating joint with a locking control device, which is described in CN103669992B, uses a button to lock the first joint seat and the second joint seat, and the button protrudes from the first joint seat and the second joint seat, so that the joint is very complex in structure and not beautiful in appearance.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a dog-ear joint has solved the problem that the button evaginates in the joint connects for the joint connects the outward appearance succinct more, pleasing to the eye.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a dog-ear joint, its main part sets up to the joint and connects, the joint connects including first joint and second joint, first joint articulates in the second joint, be provided with the locking piece in the joint connects, the locking piece sets up inside the second joint to be connected with first joint, the locking piece noncoincidence is in the pin joint that forms between first joint and second joint.

Through adopting above-mentioned technical scheme, utilize the lock piece that sets up in the joint to realize the locking state between first joint and the second joint, and set up the lock piece inside the second connects, avoid the lock piece to stand out outside the joint connects, simplified the outer structure of joint, improve its outer pleasing to the eye degree.

Preferably, one end of the first joint is provided with a convex part, one end of the second joint is provided with a concave part, and the convex part is matched with the concave part and connected through a connecting shaft.

Through adopting above-mentioned technical scheme, first joint connects the convex part and the concave part grafting cooperation through setting up with the second for the joint structure who constitutes is compacter.

Preferably, a positioning groove is formed in the first joint, the positioning groove is formed in the side end face of the convex portion, and at least one positioning groove is formed in the positioning groove.

Through adopting above-mentioned technical scheme, the constant head tank is the setpoint after the joint is adjusted in the rotation, and the regulation location of multi-angle can be realized to a plurality of constant head tanks.

Preferably, an inner cavity wiring hole is formed in the first joint.

Through adopting above-mentioned technical scheme, the setting in inner chamber wire hole can make things convenient for first joint inside to walk the line process.

Preferably, a circular-face-like structure is arranged in the first joint, and the circular-face-like structure and the positioning groove are respectively located on two side end faces of the convex portion.

Through adopting above-mentioned technical scheme, when the joint connects and bends, overlap joint in class disc structure after its inside rope slopes thereupon, utilize the arc surface of class disc structure, can reduce the wearing and tearing to the rope, have the effect that the line was walked to the protection inner chamber.

Preferably, the joint is provided with a limiting surface.

Through adopting above-mentioned technical scheme, the spacing face that sets up on the joint for the restriction first joint connects the scope of angle of rotation regulation with the second.

Preferably, an arc surface is arranged on the joint.

Through adopting above-mentioned technical scheme, the setting of cambered surface can avoid first joint and second to connect the in-process influence each other at rotation regulation.

Preferably, the locking piece is provided with a limiting block, the limiting block is matched with the positioning groove, and the limiting block is connected with a button.

Through adopting above-mentioned technical scheme, through pressing the button for drive stopper synchronous motion, the stopper is relieved and is connected the cooperation with the constant head tank, realizes first joint and the second and connects the relieving of locking state.

Preferably, the stand column comprises any one of the above bevel joints and a stand column body, and reinforcing holes are formed in the stand column body and the joint joints.

Through adopting above-mentioned technical scheme, utilize the reinforcement hole on stand body and the joint to add round pin axle or other connecting pieces in the reinforcement hole, further strengthen the joint strength between stand body and the joint.

Preferably, the outer diameter of the column body is the same as that of the knuckle joint.

By adopting the technical scheme, the outer diameter of the joint is set to be the same as that of the upright post body, so that the upright post body is more attractive in appearance and is particularly suitable for the rod-shaped structure of umbrella products.

Compared with the prior art, the utility model has the advantages of: (1) the locking piece is arranged in the joint, the locking piece locks the first joint and the second joint, and the locking piece is arranged in the joint, so that the locking piece is prevented from protruding out of the joint, and the appearance of the joint is beautified; (2) the first joint and the second joint are respectively provided with a convex part and a concave part which are matched with each other, and the convex part is inserted into the concave part, so that the structure of the joint is more compact, the joint is smaller and smaller, and the thickness sense of the joint is reduced; (3) the wiring of the joint connector can be facilitated by utilizing the inner cavity wiring hole arranged in the first connector; (4) the joint is connected with the upright post body, and the outer diameter of the joint is the same as that of the upright post body, so that the overall appearance of the joint and the upright post body can be further beautified, and the joint can be suitable for rod-shaped structures of umbrella products.

Drawings

FIG. 1 is a schematic cross-sectional view showing the structure of example 1;

FIG. 2 is a schematic structural view of a first joint in embodiment 1;

FIG. 3 is another schematic structural view of the first joint according to example 1;

FIG. 4 is a schematic structural view of a second joint in embodiment 1;

FIG. 5 is an exploded view of example 1;

FIG. 6 is a schematic sectional view showing the unlocking of the locking member in embodiment 1;

FIG. 7 is a schematic view showing the structure of the joint connector of example 1 applied to an umbrella type product;

fig. 8 is a schematic structural view of the umbrella product of embodiment 1 after the angle is adjusted.

In the figure: 1-an articulation joint; 110-a first joint; 111-a male portion; 120-a second linker; 121-a concave part; 130-a connecting shaft; 2-a lock; 210-a stopper; 220-a button; 230-a spring; 3-positioning a groove; 4-inner cavity wiring hole; 5-class round face structure; 610-a first limiting surface; 620-a second limit surface; 710-a first arc; 720-second cambered surface; 8-a column body; 810-column body a; 820-column body B; 9-reinforcing holes; 10-a receiving groove; 11-a button cavity; 12-spring chamber.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

The knuckle joint shown in fig. 1 to 8 has a body configured as a knuckle joint 1, wherein the knuckle joint 1 includes a first joint 110 and a second joint 120, the first joint 110 and the second joint 120 are hinged to each other, and an angle formed between the hinged first joint 110 and the hinged second joint 120 is adjustable.

Specifically, one end of the first joint 110 is provided with a convex portion 111, one end of the second joint 120 is provided with a concave portion 121, the specific structures of the convex portion 111 and the concave portion 121 are shown in fig. 2 to 5, the convex portion 111 is inserted into the concave portion 121, a connecting shaft 130 transversely penetrates between the convex portion 111 and the concave portion 121, and the first joint 110 and the second joint 120 are inserted into the concave portion 121 through the convex portion 111 and connected, so that the overall structure of the joint 1 formed by the first joint 110 and the second joint 120 is more compact and small, the overall volume of the joint 1 is reduced, and the overall sense of thickness is reduced.

The joint 1 is provided with a limiting surface, the limiting surface comprises a first limiting surface 610 and a second limiting surface 620, and the first limiting surface 610 is arranged at the root of the convex part 111 of the first joint 110, as shown in fig. 2; the second limiting surface 620 is disposed at the root of the concave portion 121 of the second joint 120, as shown in fig. 4. When the first joint 110 and the second joint 120 rotate to the limit positions, the first limiting surface 610 and the second limiting surface 620 abut against each other for limiting the limit angle of the joint 1.

The joint 1 is provided with arc surfaces, wherein the arc surfaces comprise a first arc surface 710 and a second arc surface 720, the first arc surface 710 is arranged on the side wall of the convex part 111 of the first joint 110, as shown in fig. 2; the second cambered surface 720 is disposed on the sidewall of the concave portion 121 of the second joint 120, as shown in fig. 4. By using the arc-shaped profiles of the first arc surface 710 and the second arc surface 720, the first joint 110 and the second joint 120 are prevented from being stuck in the mutual rotation process, so that the rotation process of the first joint 110 and the second joint 120 is smoother.

In this embodiment, an inner cavity wire-passing hole 4 is formed in the first joint 110, as shown in fig. 3, the inner cavity wire-passing hole 4 is formed, so that a rope can pass through the first joint 110, thereby facilitating a wire-passing process inside the first joint 110. The rope here takes the parachute line as an example, and the parachute line can penetrate through the joint connector 1 through the inner cavity wiring hole 4, so that the influence of the joint connector 1 on the normal wiring of the parachute line is avoided.

Be provided with type disc structure 5 in first joint 110, type disc structure 5 sets up on the side end face of convex part 111, as shown in fig. 3, type disc structure 5 and inner chamber walk line hole 4 are located the homonymy of convex part 111, when joint 1 takes place to bend, the inside rope of first joint 110 takes place the slope thereupon, the direct overlap joint of rope after the slope is on type disc structure 5's surface, because type disc structure 5's surface is the arc surface, can reduce the pressure loss to the rope, consequently, type disc structure 5's setting has the effect that the wiring of 1 inner chamber of protection joint was walked.

The first joint 110 is provided with the constant head tank 3, the constant head tank 3 sets up in the side end face of convex part 111, constant head tank 3 sets up respectively in the both sides of convex part 111 with type disc structure 5, constant head tank 3 is provided with one at least, combine the structure shown in fig. 2 and fig. 3, this embodiment uses three constant head tank 3 to expand the description as the example, constant head tank 3 is first joint 110 and second joint 120 along the locking setpoint after the pin joint rotates, consequently, this embodiment has three regulation locking gear, and three regulation locking gear makes the relative second of first joint connect along one side direction have the regulation surplus of two angles, connect 1 adjustable angle range with this increase joint in this embodiment.

In this embodiment, the joint 1 is provided with the locking member 2, the locking member 2 is disposed inside the second joint 120, the end of the locking member 2 does not protrude from the surface of the joint 1, and the locking member 2 is connected to the first joint 110, so as to lock the rotation states of the first joint 110 and the second joint 120, and by disposing the locking member 2 inside the joint 1, the locking member 2 can be prevented from protruding out of the joint 1, so that the appearance of the joint 1 is more concise and beautiful.

Furthermore, the locking member 2 is not overlapped with a hinge point formed between the first joint 110 and the second joint 120, that is, the locking member 2 is not disposed on the connecting shaft 130, as shown in fig. 1, the locking member 2 is disposed on one side of the connecting shaft 130, so as to prevent the locking member 2 from affecting the connecting shaft 130, the locking member 2 in this embodiment is disposed below the connecting shaft 130, and is different from the locking member 2 on the existing market, so that the size of the connecting shaft 130 is reduced (the connecting shaft 130 is smaller), which is not only convenient to manufacture, but also can reduce the production cost; in addition, the locking piece 2 is separated from the connecting shaft 130, so that the connecting shaft 130 and the locking piece 2 can be manufactured and installed in a split mode, and the manufacturing process of each part is simplified.

The locking piece 2 is provided with the stopper 210, the stopper 210 sets up in the second connects 120, stopper 210 joint cooperation is in constant head tank 3, be connected with button 220 on the stopper 210, stopper 210 integrated into one piece is in button 220 tip, as shown in fig. 1 and fig. 5, it accepts groove 10 to form between button 220 and the stopper 210, it is used for placing first joint 110 to accept groove 10, the one end tip size that the stopper 210 was kept away from to button 220 is great relatively, can make things convenient for operating personnel's touch and press, its other end tip size that corresponds is less relatively, can make things convenient for the installation of button 220.

The limiting block 210 and the button 220 are placed in a button cavity 11 preset in the second joint 120, a spring cavity 12 is further disposed on one side of the button cavity 11, a spring 230 is disposed in the spring cavity 12, two ends of the spring 230 are respectively abutted to the button 220 and the second joint 120, as shown in fig. 1 and 5, the spring 230 can reset the limiting block 210 and the button 220.

The joint 1 is in a locking state in an initial state, that is, when no external force acts on the button 220, the limiting block 210 is clamped in the positioning groove 3 in a matching manner, as shown in fig. 1; if want to adjust the connection angle between first joint 110 and the second joint 120, only need press button 220, as shown in fig. 6, button 220 drives stopper 210 and removes the cooperation with constant head tank 3, first joint 110 only articulates through connecting axle 130 with second joint 120 this moment, can be in order to rotate first joint 110 or second joint 120, after changing the constant head tank 3 with stopper 210 complex, loosen button 220, button 220 resets under the effect of spring 230 for stopper 210 cooperates again with constant head tank 3, realize the locking of first joint 110 with second joint 120, easy operation.

A column comprises a column body 8 and the joint 1, wherein the joint 1 is inserted into the column body 8 in a matching mode, the column body 8 is provided with a column body A810 and a column body B820, the column body A810 is connected with a first joint 110, the column body B820 is connected with a second joint 120, as shown in fig. 1 and 5, a reinforcing hole 9 is formed in the connecting end of the column body A810 and the first joint 110, a reinforcing hole 9 is also formed in the connecting end of the column body B820 and the second joint 120, and the connecting strength between the column body 8 and the joint 1 is further enhanced by longitudinally arranging a pin shaft, a screw or other connecting pieces in the reinforcing hole 9 in a matching mode.

In this embodiment, the outer diameters of the column body 8 and the joint 1 are the same, and the joint 1 with the same outer diameter is connected with the column body 8, so that the overall external diameter of the column body 8 is uniform and more beautiful, and is more suitable for the rod-shaped structure of umbrella products, as shown in fig. 7, the column using the joint 1 can be prevented from influencing the normal opening and closing of the umbrella; when the umbrella is normally opened, the angle of the umbrella can be adjusted by pressing the button 220, as shown in fig. 8.

Example 2

The present embodiment is different from embodiment 1 in that the reinforcing holes 9 are configured as reinforcing points connecting the column body 8 and the knuckle joint 1, where the reinforcing points are not through holes penetrating through the column body 8 and the knuckle joint 1, but are formed by protruding points and grooves that are stressed on the column body 8 and the knuckle joint 1 and are in insertion fit.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The knuckle joint is characterized in that a joint (1) is arranged on a main body of the knuckle joint, the joint (1) comprises a first joint (110) and a second joint (120), the first joint (110) is hinged to the second joint (120), a locking piece (2) is arranged in the joint (1), the locking piece (2) is arranged inside the second joint (120) and connected with the first joint (110), and the locking piece (2) is not overlapped on a hinge point formed between the first joint (110) and the second joint (120).

2. The knuckle according to claim 1, wherein the first joint (110) is provided at one end with a male portion (111) and the second joint (120) is provided at one end with a female portion (121), the male portion (111) and the female portion (121) being engaged and connected by a connecting shaft (130).

3. The knuckle according to claim 2, characterized in that the first joint (110) is provided with a positioning groove (3), the positioning groove (3) opens on the side end face of the convex portion (111), and at least one positioning groove (3) is provided.

4. The knuckle according to claim 1, characterized in that a lumen routing hole (4) is provided in the first joint (110).

5. The knuckle according to claim 3, characterized in that a circular face-like structure (5) is provided in the first joint (110), said circular face-like structure (5) and positioning groove (3) being located on two lateral end faces of the convex portion (111), respectively.

6. The knuckle according to claim 1, characterized in that the knuckle joint (1) is provided with a stop surface.

7. Knuckle according to claim 1, characterized in that the knuckle joint (1) is provided with a cambered surface.

8. The knuckle according to claim 3, characterized in that the locking member (2) is provided with a stopper (210), the stopper (210) is matched with the positioning groove (3), and the stopper (210) is connected with a button (220).

9. A column, characterized in that, comprising any one of the knuckle joints of claim 1 to claim 8, the column further comprises a column body (8), and the column body (8) and the knuckle joint (1) are provided with reinforcing holes (9).

10. Stud according to claim 9, characterized in that the outer diameter of the stud body (8) is the same as the outer diameter of the knuckle joint (1).