CN218978224U

CN218978224U - Anti-shifting bead-jumping device for middle rod of folding umbrella

Info

Publication number: CN218978224U
Application number: CN202223580758.6U
Authority: CN
Inventors: 唐春阳
Original assignee: Shaoxing Zhannuo Trading Co ltd
Current assignee: Shaoxing Zhannuo Trading Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-09
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to an anti-displacement bead jumping device for a folding umbrella middle rod, which comprises a tubular middle rod and a bead jumping device; the side wall of the middle rod is provided with a telescopic hole; the bead jumping device comprises an elastic seat; the top surface of the elastic seat is provided with a jump bead; the elastic seat is positioned in the inner hole of the middle rod; the jump beads can stretch and retract on the stretching holes, and a limit strip is arranged on the bottom surface of the elastic seat; a limiting groove is formed in the inner wall of the middle rod; the limit strips are embedded in the limit grooves. The utility model has the advantages of simple structure, capability of preventing the umbrella from being used due to the fact that the jump beads cannot be ejected out caused by the displacement of the jump bead device, and the like.

Description

Anti-shifting bead-jumping device for middle rod of folding umbrella

Technical Field

The utility model relates to the technical field of umbrellas, in particular to an anti-displacement bead jumping device for a middle rod of a folding umbrella.

Background

The umbrella is an indispensable portable device in daily life of people, is used for shielding rain and sun, and is convenient to carry because the umbrella can be folded when not used, so that the umbrella is favored by people.

At present, a ball-jumping telescopic hole is formed in the side wall of a middle rod of an umbrella, a ball-jumping main body with elasticity is clamped in an inner hole of the middle rod, when the umbrella telescopic pipe is folded, the ball-jumping is pressed into the telescopic hole, when the telescopic pipe is stretched out, the ball-jumping extends out of the telescopic hole under the tension of the elastic ball-jumping main body, the telescopic pipe is blocked, and the stretched telescopic pipe is prevented from sliding.

The jump ball device is characterized in that the jump ball main body is clamped in the inner hole of the middle rod and is fixed in the middle rod only by means of self elasticity, when the telescopic pipe is folded, the jump ball is pressed down, the jump ball is in a telescopic hole of the middle rod, at the moment, the jump ball does not have a fixed point, and under the conditions of external vibration and the like, the jump ball can often shift, so that an umbrella is opened, after the telescopic pipe is stretched, the jump ball cannot be sprung out from the telescopic hole, the telescopic pipe cannot be blocked, and the umbrella cannot be used.

Disclosure of Invention

Therefore, the utility model provides an anti-displacement bead jumping device for a middle rod of a folding umbrella, which mainly solves the technical problem that an umbrella cannot be used because the bead jumping displacement caused by no fixed positioning of the bead jumping of the umbrella in the prior art cannot be ejected.

In order to achieve the above object, the present utility model provides the following technical solutions:

an anti-displacement bead jumping device for a middle rod of a folding umbrella comprises a tubular middle rod and a bead jumping device; the side wall of the middle rod is provided with a telescopic hole; the bead jumping device comprises an elastic seat; the top surface of the elastic seat is provided with a jump bead; the elastic seat is positioned in the inner hole of the middle rod; the jump beads can stretch and retract on the stretching holes, and a limit strip is arranged on the bottom surface of the elastic seat; a limiting groove is formed in the inner wall of the middle rod; the limit strips are embedded in the limit grooves.

Preferably, the limit strip is arranged at the bottom end of the elastic seat.

Preferably, the lower part of the jumping bead is cylindrical; the upper part of the jumping bead is conical.

Preferably, the jump bead and the elastic seat combined with the jump bead are provided with expansion joints.

Preferably, the telescopic holes and the limiting grooves are positioned on two radial sides of the middle rod.

Preferably, the elastic seat is U-shaped.

The utility model has at least the following beneficial effects:

the elastic seat bottom surface is provided with the limit strip, the inner wall of the middle rod is provided with the limit groove, the limit strip is embedded in the limit groove, when the telescopic pipe is folded, the jump bead is pressed down, and the limit strip is embedded in the limit groove, so that the jump bead device is limited on the middle rod and cannot shift, when the telescopic pipe is stretched out, the jump bead stretches out from the telescopic hole under the tension action of the elastic seat, and the telescopic pipe is blocked.

Therefore, the anti-displacement bead jumping device for the middle rod of the folding umbrella has the advantages of being simple in structure, capable of preventing the bead jumping device from being displaced to cause the bead jumping device to be unable to pop out, and incapable of being used.

Drawings

In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.

FIG. 1 is a schematic view of a device for preventing the beads from being displaced and jumped on a middle rod of a folding umbrella;

FIG. 2 is a schematic illustration of a stick structure of an anti-migration bead-jump device for use with a stick of a folding umbrella according to the present utility model;

FIG. 3 is a schematic view of a bead-jumping structure of an anti-shifting bead-jumping device for a stick of a folding umbrella according to the present utility model;

FIG. 4 is a top right side view of FIG. 3 showing an anti-dislodging ball-jumping apparatus for use with a stick in a folding umbrella, in accordance with the present utility model;

reference numerals illustrate:

1. a middle rod; 101. a telescopic hole; 102. a limit groove; 2. a bead jumping device; 201. an elastic seat; 202. jumping beads; 203. a limit bar; 204. expansion joints.

Detailed Description

The present application is further described in detail below with reference to the attached drawings.

In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.

The utility model relates to an anti-displacement bead jumping device for a folding umbrella middle rod, which comprises a tubular middle rod 1 and a bead jumping device 2, as shown in figures 1 to 4, wherein a telescopic hole 101 is formed in the side wall of the middle rod 1, the bead jumping device 2 comprises an elastic seat 201, the elastic seat 201 can be made of spring steel, a bead jumping 202 is arranged on the top surface of the elastic seat 201, the elastic seat 201 is pressed in an inner hole of the middle rod 1, the bead jumping 202 can movably stretch out and draw back on the telescopic hole 101, a limiting strip 203 is arranged on the bottom surface of the elastic seat 201, a limiting groove 102 is formed in the inner wall of the middle rod 1, the limiting strip 203 is embedded in the limiting groove 102, when a telescopic pipe is folded, the bead jumping device 2 is limited on the middle rod 1 and cannot displace due to the fact that the limiting strip 203 is embedded in the limiting groove 102, and when the telescopic pipe stretches out, the bead jumping device 202 stretches out from the telescopic pipe 101 under the tension of the elastic seat 201.

Preferably, for convenience of processing, the limiting strip 203 is disposed at an end of the bottom surface of the elastic seat 201, i.e. the bottom of the elastic seat 201 is vertically bent to form the limiting strip 203.

Preferably, in order to smoothly extend or retract the jump ball 202 from the expansion and contraction hole 101, the lower part of the jump ball 202 is designed to be cylindrical, and the upper part of the jump ball 202 is designed to be conical.

Preferably, the jump ball 202 is further extended or retracted from the expansion hole 101 smoothly, and the expansion joint 204 is formed on the jump ball 202 and the elastic seat 201 combined with the jump ball.

Preferably, in order to make the jump bead 202 retract by pressing, the jump bead device 2 is better limited not to shift, so that the telescopic hole 101 and the limit groove 102 are positioned at two radial sides of the middle rod 1, and thus, when the jump bead 202 retracts by pressing, the limit bar 203 is tightly pressed in the limit groove 102.

Preferably, the elastic seat 201 is designed in a U shape in order to have a good elastic force.

The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.

Claims

1. An anti-displacement bead jumping device for a folding umbrella middle rod comprises a tubular middle rod (1) and a bead jumping device (2); the side wall of the middle rod (1) is provided with a telescopic hole (101); the bead jumping device (2) comprises an elastic seat (201); the top surface of the elastic seat (201) is provided with a jump bead (202); the elastic seat (201) is positioned in the inner hole of the middle rod (1); the jump bead (202) can stretch and retract on the stretch hole (101), and is characterized in that a limit strip (203) is arranged on the bottom surface of the elastic seat (201); a limit groove (102) is formed in the inner wall of the middle rod (1); the limit strip (203) is embedded in the limit groove (102).

2. The anti-displacement bead-jumping device for a folding umbrella stick according to claim 1, wherein the limit bar (203) is arranged at the bottom end of the elastic seat (201).

3. The anti-displacement bead-jumping device for a folding umbrella stick according to claim 1, wherein the lower part of the jumping bead (202) is cylindrical; the upper part of the jump bead (202) is conical.

4. A device for preventing displacement and jumping on a stick of a folding umbrella according to claim 3, wherein expansion joints (204) are formed on the jumping beads (202) and the elastic seat (201) combined with the jumping beads.

5. The anti-displacement bead jumping device for a folding umbrella stick according to any one of claims 1 to 4, wherein the telescopic hole (101) and the limiting groove (102) are positioned on two radial sides of the stick (1).

6. A device for preventing the displacement of a jump ball on a stick in a folding umbrella according to any of the claims 1 to 4, characterized in that said elastic seat (201) is U-shaped.