CN219888427U - Positioning structure of telescopic tube - Google Patents

Abstract

The utility model discloses a positioning structure of a telescopic tube, which comprises a spring buckle, a fixed sleeve and a sliding buckle; the elastic buckle is arranged in the inner tube of the telescopic tube; the fixed sleeve is arranged at the end part of the outer tube of the telescopic tube, the side surface of the fixed sleeve is provided with a perforation for the protruding point of the elastic buckle to pass through, and the end surface of the fixed sleeve is provided with a movable hole for the inner tube to pass through; the sliding buckle is matched with the side surface of the fixed sleeve in a sliding way, and the anti-falling effect is realized through the buckle mechanism; the inner side of the sliding buckle is provided with a protruding part which is arranged opposite to the perforation. According to the telescopic sleeve, the fixing sleeve is matched with the sliding buckle, so that the operation of a user when the telescopic sleeve is disassembled can be optimized, the protruding points of the elastic buckle are not required to be directly pressed, the operation is simple and convenient, and the user experience is good.

Description

Positioning structure of telescopic tube

Technical Field

The utility model relates to the technical field of telescopic tubes, in particular to a positioning structure of a telescopic tube.

Background

Referring to fig. 1, the telescopic tube in the prior art is generally positioned by a V-shaped buckle 1. The V-shaped elastic buckle 1 is provided with protruding points 11 at one end or two ends, the V-shaped elastic buckle 1 is placed in the inner tube 10 of the telescopic tube during installation, the V-shaped elastic buckle 1 is moved to a position corresponding to the first through hole 101 of the inner tube 10, the protruding points 11 of the V-shaped elastic buckle 1 are embedded into the first through hole 101 of the inner tube 10 under the action of the elastic force of the V-shaped elastic buckle 1, then the outer tube 20 is sleeved at the end part of the inner tube 10, the telescopic length of the inner tube 10 and the outer tube 20 is adjusted, and when the second through hole 201 of the outer tube 20 is aligned with the first through hole 101 of the inner tube 10, the protruding points 11 are embedded into the second through hole 201 of the outer tube 20, so that the positioning of the outer tube 20 and the inner tube 10 is realized.

In fact, since the outer tube 20 and the inner tube 10 are designed to be in clearance fit, when the outer tube 20 is sleeved, the protruding point 11 needs to be pressed to be at least in a state of being level with the surface of the inner tube 10, so that the end part of the outer tube 20 can pass over the protruding point 11, and further the operation of aligning the second through hole 201 of the outer tube 20 with the protruding point 11 is realized; either when the telescopic lengths of the inner tube 10 and the outer tube 20 need to be adjusted or when the outer tube 20 needs to be removed, the protruding points 11 protruding from the surface of the outer tube 20 need to be pushed back to a state of being at least flush with the surface of the inner tube 10 to move the inner tube 10. The above-mentioned operation all needs to press the bump 11 with the finger, because the bump 11 itself is cylindrical and the diameter is less, in order to satisfy the requirement of location intensity the elasticity that V type bullet knot 1 itself can provide again great, leads to pressing the bump 11 with the finger when the reaction force to the user's finger is great, has certain painful sense, and user experience is relatively poor.

Disclosure of Invention

The utility model aims to provide a positioning structure of a telescopic tube, which can conveniently and rapidly disassemble the telescopic tube.

In order to achieve the above object, the solution of the present utility model is:

the positioning structure of the telescopic tube comprises a spring buckle, a fixed sleeve and a sliding buckle; the elastic buckle is arranged in the inner tube of the telescopic tube; the fixed sleeve is arranged at the end part of the outer tube of the telescopic tube, the side surface of the fixed sleeve is provided with a perforation for the protruding point of the elastic buckle to pass through, and the end surface of the fixed sleeve is provided with a movable hole for the inner tube to pass through; the sliding buckle is matched with the side surface of the fixed sleeve in a sliding way, and the anti-falling effect is realized through the buckle mechanism; the inner side of the sliding buckle is provided with a protruding part which is arranged opposite to the perforation.

The outer side end part of the movable hole is provided with a first inclined plane for sliding connection and matching of the convex points.

The two end faces of the fixed sleeve are respectively provided with the movable hole and the mounting hole sleeved at the end part of the outer tube, the movable hole is communicated to the mounting hole, and a step part for the end part of the outer tube to butt is arranged at the communication position of the movable hole and the mounting hole.

Preferably, a spring sheet for limiting the outer tube is arranged on the side surface of the fixed sleeve; the inner side of the movable end of the elastic sheet is provided with a buckling part, and one surface of the buckling part, which is opposite to the movable hole, is provided with a second inclined surface.

Preferably, the side wall of the mounting hole is provided with a plurality of ribs extending along the axial direction of the mounting hole, and the ribs are abutted against the peripheral surface of the outer tube.

The inner tube is in clearance fit with the movable hole.

Preferably, the positioning structure of the telescopic tube further comprises a guide end head arranged at the end part of the inner tube; the guide end head comprises a mounting part embedded at the end part of the inner tube and a guide part in clearance fit with the inner wall of the outer tube, and the guide part is a circle of flange protruding radially from the peripheral surface of the mounting part.

In the above scheme, the fastening mechanism comprises a pair of parallel sliding planes concavely formed on the side surface of the fixed sleeve, a section formed between the sliding planes and the side surface of the fixed sleeve, and a fastening hook arranged at the end part of the sliding fastener; the sliding connection planes are symmetrically arranged on two sides of the perforation; the section of the sliding connection buckle is C-shaped, the hooks are arranged at two ends of the sliding connection buckle, and the two hooks are respectively matched with the two sliding connection planes.

Preferably, the protruding point pushes the sliding buckle to move in a direction deviating from the fixed sleeve under the action of elastic force of the elastic buckle, so that the clamping hook is hooked on the section.

After the technical scheme is adopted, the utility model has the following technical effects:

through setting up fixed cover at telescopic tube's outer tube tip, fixed cover is gone up to slip fit and is had the slip knot, but the slip knot then is provided with the bulge of extrusion bump, in the dismantlement process, the user only need press the slip knot, can press the bump through the slip knot for the bump breaks away from the outer tube in order to realize removing the inner tube, the slip knot has greatly increased the area that the user's finger can press, and operable area is big, the reaction force is little, and user operation is simpler and more convenient, experience is better.

Drawings

FIG. 1 is an exploded view of a prior art positioning structure;

FIG. 2 is a perspective view of an embodiment of the present utility model;

FIG. 3 is an exploded view of an embodiment of the present utility model;

FIG. 4 is a perspective view of a retaining sleeve according to an embodiment of the present utility model;

FIG. 5 is a perspective view of a slider according to an embodiment of the present utility model;

FIG. 6 is a front view of an embodiment of the present utility model;

FIG. 7 is a cross-sectional view taken along the direction A-A in FIG. 6;

FIG. 8 is a cross-sectional view taken in the direction B-B of FIG. 6;

reference numerals illustrate:

1- - -spring buckle; 11-bumps; 2- - -a fixed sleeve;

21- - -perforations; 22-a movable hole; 221-a first bevel;

23- -mounting holes; 231- -ribs; 24-step part;

25-spring pieces; 251- -a snap-fit portion; 252-a second ramp;

26- - -a sliding contact plane; 27- - -section; 3- - -a sliding buckle;

31- - -a projection; 32- - -a hook; 4- - -a guiding tip;

41-an installation part; 42—a guide; 10-an inner tube;

101-a first via; 20- - -an outer tube; 201-a second via;

202- -snap holes.

Description of the embodiments

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 2 to 8, the utility model discloses a positioning structure of a telescopic tube, which comprises a spring buckle 1, a fixed sleeve 2 and a sliding buckle 3;

the elastic buckle 1 is arranged in the inner pipe 10 of the telescopic pipe;

the fixed sleeve 2 is arranged at the end part of the outer tube 20 of the telescopic tube, the side surface of the fixed sleeve is provided with a through hole 21 for the salient point 11 of the elastic buckle 1 to pass through (namely, the through hole 21 is opposite to the second through hole 201 of the outer tube 20), and the end surface of the fixed sleeve is provided with a movable hole 22 for the inner tube 10 to pass through;

the sliding buckle 3 is matched with the side surface of the fixed sleeve 2 in a sliding way, and realizes the anti-falling through a buckle mechanism; the inside of the slide fastener 3 is provided with a protruding portion 31 provided opposite to the through hole 21: in the assembled state, when the protrusion 31 abuts against the bump 11, the user presses the slide fastener 3, and the bump 11 can be pushed back to a state of being separated from the outer tube 20 by the protrusion 31, and at this time, the inner tube 10 can be moved telescopically with respect to the outer tube 20.

Specific embodiments of the utility model are shown below.

The outer end of the movable hole 22 is provided with a first inclined surface 221 for sliding engagement of the protruding point 11. After the first inclined plane 221 is arranged, in the assembling process, the protruding point 11 is pushed back into the inner tube 10 through the first inclined plane 221 only by aiming the protruding point 11 at the first inclined plane 221 of the movable hole 22, so that the inner tube 10 can be easily installed into the fixed sleeve 2, the outer tube 20 and the fixed sleeve 2 can be positioned later, the protruding point 11 is not required to be pressed in the assembling process, and the operation is simpler.

The two end surfaces of the fixed sleeve 2 are respectively provided with the movable hole 22 and the mounting hole 23 sleeved at the end part of the outer tube 20, the movable hole 22 is communicated with the mounting hole 23, the communicating part of the two is provided with a step part 24 for the end part of the outer tube 20 to abut against, and the step part 24 is used for limiting the matching depth of the end part of the outer tube 20 in the fixed sleeve 2.

Further, the side surface of the fixed sleeve 2 is provided with a spring plate 25, the inner side of the movable end of the spring plate 25 is provided with a fastening part 251, and one surface of the fastening part 251 facing away from the movable hole 22 is provided with a second inclined surface 252. Correspondingly, the side surface of the outer tube 20 can be provided with the fastening hole 202, when the fixing sleeve 2 is installed, only the end part of the outer tube 20 needs to be sleeved with the fixing sleeve 2, the end part of the outer tube 20 pushes the elastic sheet 25 outwards through the second inclined surface 252 until the elastic sheet 25 passes over the fastening part 251, and then the fastening part 251 is reset under the elastic force of the elastic sheet 25 and is embedded into the fastening hole 202, and as the surface of the fastening part 251 facing the movable hole 22 is a plane (horizontal direction in the drawing), the fixing sleeve 2 cannot be detached from the outer tube 20 at the moment, so that the fixing sleeve 2 is installed and fixed at the end part of the outer tube 20.

Meanwhile, the side wall of the mounting hole 23 is provided with a plurality of ribs 231 extending along the axial direction of the mounting hole 23, the ribs 231 are abutted against the peripheral surface of the outer tube 20, the contact area between the outer tube 20 and the side wall of the mounting hole 23 can be reduced, interference between the outer tube 20 and the side wall of the mounting hole 23 is further reduced, and the mounting is smoother and quicker.

The hole diameter of the through hole 21 is larger than the hole diameters of the first through hole 101 of the inner tube 10 and the second through hole 201 of the outer tube 20, so that the fault tolerance of product assembly can be increased, and the protruding points 11 can be more easily matched into the through holes 21.

The aperture of the movable hole 22 is slightly larger than the diameter of the inner tube 10, so that the inner tube 10 and the movable hole 22 are in clearance fit, and the phenomenon that the inner tube 10 is easy to shake after being installed can be prevented.

Further, the utility model also comprises a guide tip 4 arranged at the end of the inner tube 10; the guide tip 4 includes a mounting portion 41 fitted in an end portion of the inner tube 10, and a guide portion 42 fitted in a clearance fit to an inner wall of the outer tube 20, and the guide portion 42 is a ring of flange radially protruding from a peripheral surface of the mounting portion 41. The movable hole 22 and the guide end 4 are used for radial limiting on the side surface and the end part of the inner tube 10, so that the shaking of the inner tube 10 can be reduced, the diameter of the inner tube 10 can be reduced, the purpose of saving materials can be achieved to a certain extent, the reduction of the diameter of the inner tube 10 can also avoid contact with the inner wall of the outer tube 20, a gap is reserved between the inner tube 10 and the outer tube 20, a user can separate the salient point 11 of the snap fastener 1 from the outer tube 20 without pressing the snap fastener to the bottom, and the inner tube 10 can be moved when the end surface of the salient point 11 is positioned between the outer tube 20 and the inner tube 10.

The fastening mechanism comprises a pair of parallel sliding planes 26 concavely formed on the side surface of the fixed sleeve 2, a section 27 formed between the sliding planes 26 and the side surface of the fixed sleeve 2, and a clamping hook 32 arranged at the end part of the sliding fastener 3; the sliding contact planes 26 are symmetrically arranged at two sides of the perforation 21; the section of the sliding buckle 3 is C-shaped, the two ends of the sliding buckle are provided with the clamping hooks 32, and the two clamping hooks 32 are respectively matched on the two sliding planes 26 to realize sliding matching of the sliding buckle 3 and the side surface of the fixed sleeve 2. Under the elastic force of the elastic buckle 1, the convex points 11 push the sliding buckle 3 to move in the direction away from the fixed sleeve 2, so that the clamping hooks 32 are hooked on the section 27, and the sliding buckle 3 is prevented from falling off.

According to the scheme, the fixing sleeve 2 is arranged at the end part of the outer tube 20 of the telescopic tube, the sliding buckle 3 is matched with the fixing sleeve 2 in a sliding way, the sliding buckle 3 is provided with the protruding part 31 capable of extruding the protruding point 11, in the disassembling process, a user only needs to press the sliding buckle 3 to press the protruding point 11 through the sliding buckle 3, so that the protruding point 11 is separated from the outer tube 20 to realize the movement of the inner tube 10, the area of the sliding buckle 3 which can be pressed by fingers of the user is greatly increased, the operable area is large, the reaction force is small, and the operation of the user is simpler and more convenient and the experience is better.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims (9)

1. The utility model provides a telescopic tube's location structure which characterized in that:

comprises a spring buckle, a fixed sleeve and a sliding buckle;

the elastic buckle is arranged in the inner tube of the telescopic tube;

the fixed sleeve is arranged at the end part of the outer tube of the telescopic tube, the side surface of the fixed sleeve is provided with a perforation for the protruding point of the elastic buckle to pass through, and the end surface of the fixed sleeve is provided with a movable hole for the inner tube to pass through;

the sliding buckle is matched with the side surface of the fixed sleeve in a sliding way, and the anti-falling effect is realized through the buckle mechanism; the inner side of the sliding buckle is provided with a protruding part which is arranged opposite to the perforation.

2. The positioning structure of a telescopic tube according to claim 1, wherein:

the outer side end part of the movable hole is provided with a first inclined plane for sliding connection and matching of the convex points.

3. The positioning structure of a telescopic tube according to claim 1, wherein:

the two end faces of the fixed sleeve are respectively provided with the movable hole and the mounting hole sleeved at the end part of the outer tube, the movable hole is communicated to the mounting hole, and a step part for the end part of the outer tube to butt is arranged at the communication position of the movable hole and the mounting hole.

4. A telescopic tube positioning structure according to claim 3, wherein:

the side surface of the fixed sleeve is provided with a spring piece for limiting the outer tube; the inner side of the movable end of the elastic sheet is provided with a buckling part, and one surface of the buckling part, which is opposite to the movable hole, is provided with a second inclined surface.

5. A telescopic tube positioning structure according to claim 3, wherein:

the side wall of the mounting hole is provided with a plurality of ribs extending along the axis direction of the mounting hole, and the ribs are abutted to the peripheral surface of the outer tube.

6. The positioning structure of a telescopic tube according to claim 1, wherein:

the inner tube is in clearance fit with the movable hole.

7. The telescopic tube positioning structure according to claim 6, wherein:

the guide end is arranged at the end part of the inner tube; the guide end head comprises a mounting part embedded at the end part of the inner tube and a guide part in clearance fit with the inner wall of the outer tube, and the guide part is a circle of flange protruding radially from the peripheral surface of the mounting part.

8. The positioning structure of a telescopic tube according to any one of claims 1 to 7, wherein:

the clamping mechanism comprises a pair of parallel sliding planes concavely formed on the side surface of the fixed sleeve, a section formed between the sliding planes and the side surface of the fixed sleeve, and a clamping hook arranged at the end part of the sliding buckle; the sliding connection planes are symmetrically arranged on two sides of the perforation; the section of the sliding connection buckle is C-shaped, the hooks are arranged at two ends of the sliding connection buckle, and the two hooks are respectively matched with the two sliding connection planes.

9. The telescopic tube positioning structure according to claim 8, wherein:

the convex points push the sliding buckle to move in the direction away from the fixed sleeve under the action of the elastic force of the elastic buckle, so that the clamping hooks are buckled on the section.