CN217539086U

CN217539086U - Telescopic link and electric fan

Info

Publication number: CN217539086U
Application number: CN202221326832.9U
Authority: CN
Inventors: 丁继承
Original assignee: Zhongshan Runyang Aluminum Co ltd
Current assignee: Zhongshan Runyang Aluminum Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-04
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a telescopic rod and an electric fan, wherein the telescopic rod comprises an outer sleeve, an inner sleeve and a connecting assembly, and the outer sleeve is provided with a first through hole; the inner sleeve is arranged in the outer sleeve in a lifting manner, and is provided with a second through hole; coupling assembling including setting firmly the stop collar on the internal perisporium of outer tube, set firmly adapter sleeve, line spring and the pressing piece on the internal perisporium of interior sleeve pipe, the adapter sleeve has the opening towards the mount pad of second through-hole, and line spring and pressing piece all are located the mount pad, and the pressing piece is seted up towards being close to the mounting groove that second through-hole direction extends, the one end of line spring with the diapire butt or the connection of mount pad, the other end stretch into in the mounting groove and with the diapire butt or the connection of mounting groove, the one end of pressing piece can pass the second through-hole just stretches into in the first through-hole. The volume of the elastic pressing piece is very small, and other parts such as a lead are more conveniently arranged in the inner sleeve.

Description

Telescopic link and electric fan

Technical Field

The utility model relates to a flexible technical field particularly, relates to a telescopic link and electric fan.

Background

The foldable mode of electric fan is as emerging function in the market to its collapsible storage conveniently carries as the biggest selling point, is liked by the consumer widely, and the core part that realizes the folding lies in its telescopic link.

The inscription is installed to the lower extreme of the inner tube of some telescopic links on the existing market, is equipped with the elasticity pressing part in the inscription, and the elasticity pressing part is the plug of the single-end shell fragment that has the U type, and through the buckling of the shell fragment of single-end shell fragment, the flexible of the relative outer tube locating hole of realization plug, the plug stretches out from the through-hole of inner tube and cooperatees with the outer tube locating hole and realizes the location locking, and above-mentioned elasticity pressing part is bulky, can occupy the inner space of a most inner tube, this wiring in the inner tube of being difficult for.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a telescopic link and fan, easily wiring.

According to the utility model discloses a telescopic link of first aspect embodiment, including outer tube, interior sleeve pipe and coupling assembling, the outer tube is seted up first through-hole; the inner sleeve is arranged in the outer sleeve in a lifting manner, and is provided with a second through hole; coupling assembling including set firmly in stop collar on the internal perisporium of outer tube, set firmly in adapter sleeve, line spring and pressing piece on the internal perisporium of interior sleeve pipe, the adapter sleeve has the opening orientation the mount pad of second through-hole, the line spring with the pressing piece all is located in the mount pad, the pressing piece is seted up towards being close to the mounting groove that second through-hole direction extends, the one end of line spring with the diapire butt or the connection of mount pad, the other end stretches into in the mounting groove and with the diapire butt or the connection of mounting groove, the one end of pressing piece can be passed the second through-hole just stretches into in the first through-hole.

According to the utility model discloses the telescopic link has following beneficial effect at least: the elasticity pressing part of this application is line spring and pressing part, and the one end of line spring can stretch into in the pressing part, compare with the elastic pressing part such as the plug that has the single-end shell fragment of U type of prior art, the elasticity pressing part of this application is radial length not only little, and axial length is little, make small, the volume of mount pad can design very little like this, shared interior sheathed tube inner space is also very little, make interior sheathed tube inner space bigger, other parts such as the inside wire that set up of inner tube of being convenient for more.

According to some embodiments of the present invention, the coupling assembly further comprises a friction plate fixedly disposed on the outer circumferential wall of the inner sleeve.

According to the utility model discloses a some embodiments, the internal perisporium of friction disc is equipped with the projection, interior sleeve pipe has seted up the third through-hole, slot or fourth through-hole have been seted up to the adapter sleeve, the projection passes the third through-hole inserts the slot perhaps in the fourth through-hole.

According to some embodiments of the utility model, the friction disc the bottom of internal perisporium has the boss, interior sheathed tube bottom face with the equal butt of at least part of the bottom face of adapter sleeve in on the boss.

According to some embodiments of the utility model, the friction disc sets up to two, two the friction disc sets up along circumference interval distribution and axial symmetry.

According to the utility model discloses a some embodiments, the periphery wall of stop collar is equipped with first bulge, the fifth through-hole has been seted up to the outer tube, first bulge inserts in the fifth through-hole.

According to the utility model discloses a some embodiments, the periphery wall of stop collar is equipped with the second bulge, the outer tube in second bulge department has seted up the sixth through-hole, the second bulge inserts in the first through-hole, the pressing member one end stretches into in the sixth through-hole.

According to the utility model discloses a some embodiments, the mount pad is the working of plastics, the adapter sleeve is the metalwork, the mount pad with the adapter sleeve forms the integral type through moulding plastics and connects.

According to some embodiments of the invention, the second through hole is located in the pressing piece in a projection perpendicular to an axis of the pressing piece.

According to the utility model discloses an electric fan of second aspect embodiment, include the utility model discloses the telescopic link of above-mentioned first aspect embodiment.

According to the utility model discloses electric fan has following beneficial effect at least: by adopting the telescopic rod, the wiring is easy.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a telescopic rod provided in an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a cross-sectional schematic view of the telescoping pole shown in FIG. 1;

FIG. 4 is a schematic enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic structural view of the connection assembly;

fig. 6 is a schematic cross-sectional view of a connection assembly.

Reference numerals:

a telescopic rod 10; an outer sleeve 100; an inner sleeve 200; a connecting assembly 300; a stop collar 310; the first projecting portion 311; the second projecting portion 312; a connecting sleeve 320; a wire spring 330; a pressing member 340; a mounting base 350; a friction plate 360; a convex column 361; a boss 362.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 6, a telescopic rod 10 according to an embodiment of the present invention is described, the telescopic rod 10 is used for an electric fan (not shown in the figure), the bottom end of the telescopic rod 10 is connected with the base of the electric fan, the top end is connected with the fan head, and the telescopic rod 10 is internally provided with electric devices such as wires, etc., in this embodiment, the telescopic rod 10 is a five-stage telescopic rod 10, i.e. having 5 rods sleeved one by one. It will be appreciated that the telescopic pole 10 can also be used for other devices, such as tripods or self-timer poles. The telescopic rod 10 may have other stages, such as one stage, two stages, three stages, four stages, or six stages.

The telescopic rod 10 comprises an outer sleeve 100, an inner sleeve 200 and a connecting assembly 300, wherein the outer sleeve 100 is provided with a first through hole; the inner sleeve 200 is arranged in the outer sleeve 100 in a liftable manner, and the inner sleeve 200 is provided with a second through hole; coupling assembling 300 including set firmly in stop collar 310 on the internal perisporium of outer tube 100, set firmly in adapter sleeve 320, line spring 330 and pressing piece 340 on the internal perisporium of interior sleeve 200, adapter sleeve 320 has been seted up and has been dodged the mouth, adapter sleeve 320 has the opening orientation the mount pad 350 of second through-hole, line spring 330 with pressing piece 340 all is located in the mount pad 350, pressing piece 340 has been seted up towards being close to the mounting groove that second through-hole direction extends, the one end of line spring 330 with the diapire butt or the connection of mount pad 350, the other end stretches into in the mounting groove and with the diapire butt or the connection of mounting groove, the one end of pressing piece 340 can pass and dodge mouth, second through-hole and stretch into in the first through-hole. The inner sleeve 200 and the outer sleeve 100 are also provided with mutually matched guide grooves, which have a guide effect on extension and retraction and can prevent the relative rotation between the inner sleeve 200 and the outer sleeve 100.

This application is designed elasticity pressing part 340 into line spring 330 and pressing part 340 combination, these both can directly purchase, do not need the private to be customized, reduce material cost, and the one end of line spring 330 can stretch into in pressing part 340, compare with such elasticity pressing part 340 of the plug that has the single-end shell fragment of U type of prior art, the elasticity pressing part 340 of this application not only radial length is little, and axial length is little, make small, the volume of mount pad 350 can design very little like this, the shared interior space of interior sleeve pipe 200 is also very little, make interior sleeve pipe 200 inner space bigger, be convenient for more inside other parts such as wire that set up of inner sleeve pipe 200.

In some embodiments of the present invention, referring to fig. 1 to 6, the connection assembly 300 further includes a friction plate 360 fixedly disposed on the outer peripheral wall of the inner sleeve 200, which provides good wear resistance and certain positioning friction force for the telescopic sliding of the inner sleeve 200, and also prevents the gap between the inner sleeve 200 and the outer sleeve 100 from being too large to generate and shake in the telescopic process.

In some embodiments of the present invention, referring to fig. 1 to fig. 6, the inner circumferential wall of the friction plate 360 is provided with a protruding column 361, the inner sleeve 200 is provided with a third through hole, the connecting sleeve 320 is provided with a slot or a fourth through hole, the protruding column 361 passes through the third through hole and is inserted into the slot or the fourth through hole, so as to fix the friction plate 360 and the connecting sleeve 320, the connecting structure is simple, and the manufacturing is convenient.

In some embodiments of the present invention, referring to fig. 1 to 6, the bottom end of the inner circumferential wall of the friction plate 360 has a boss 362, and at least a portion of the bottom end surface of the inner sleeve 200 and the bottom end surface of the connection sleeve 320 abut against the boss 362, so as to prevent the friction plate 360 and the connection sleeve 320 from moving.

In some embodiments of the utility model, referring to fig. 1 to 6, friction disc 360 sets up to two, and two friction discs 360 set up along circumference interval distribution and axisymmetric, and both do not connect, and the clearance size can be adjusted as required by oneself, effectively reduce with the contact area of the interior perisporium of outer tube 100, reduce frictional force, make flexible more smooth and easy.

In some embodiments of the present invention, referring to fig. 1 to 6, the outer peripheral wall of the stop collar 310 is provided with a first protrusion 311, the outer sleeve 100 is provided with a fifth through hole, and the first protrusion 311 is inserted into the fifth through hole to facilitate the mounting and dismounting of the stop collar 310.

In some embodiments of the present invention, referring to fig. 1 to 6, the outer peripheral wall of the stop collar 310 is provided with a second protrusion 312, a sixth through hole is formed at the second protrusion 312 of the outer sleeve 100, the second protrusion 312 is inserted into the first through hole, and one end of the pressing member 340 extends into the sixth through hole, so as to increase the connection strength and prevent the stop collar 310 from moving.

In some embodiments of the present invention, referring to fig. 1 to 6, the mounting seat 350 is a plastic part, the connecting sleeve 320 is a metal part, the mounting seat 350 and the connecting sleeve 320 are connected by injection molding to form an integral type, the avoiding opening of the connecting sleeve 320 made of metal material has burrs or sharp edges to cost the pressing part 340, and the beauty of the pressing part 340 is affected.

In some embodiments of the present invention, referring to fig. 1 to 6, in a projection perpendicular to the axis of the pressing member 340, the second through hole is located in the pressing member 340 so as to prevent the pressing member 340 from falling off from the connecting sleeve 320.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A telescopic pole, characterized in that, includes:

the outer sleeve is provided with a first through hole;

the inner sleeve is arranged in the outer sleeve in a lifting manner, and is provided with a second through hole;

coupling assembling, including set firmly in stop collar on the internal perisporium of outer tube, set firmly in adapter sleeve, line spring and pressing piece on the internal perisporium of interior sleeve pipe, the adapter sleeve has the opening orientation the mount pad of second through-hole, the line spring with the pressing piece all is located in the mount pad, the pressing piece is seted up towards being close to the mounting groove that second through-hole direction extends, the one end of line spring with the diapire butt or the connection of mount pad, the other end stretches into in the mounting groove and with the diapire butt or the connection of mounting groove, the one end of pressing piece can be passed the second through-hole just stretches into in the first through-hole.

2. The extension pole of claim 1, wherein said connection assembly further comprises a friction plate secured to an outer peripheral wall of said inner bushing.

3. The telescopic rod according to claim 2, wherein the inner peripheral wall of the friction plate is provided with a convex column, the inner sleeve is provided with a third through hole, the connecting sleeve is provided with a slot or a fourth through hole, and the convex column passes through the third through hole and is inserted into the slot or the fourth through hole.

4. The telescopic rod according to claim 3, wherein the bottom end of the inner peripheral wall of the friction plate is provided with a boss, and the bottom end surface of the inner sleeve and at least part of the bottom end surface of the connecting sleeve are abutted against the boss.

5. The telescopic rod according to claim 4, wherein the number of the friction plates is two, and the two friction plates are circumferentially spaced and axially symmetrically arranged.

6. The telescopic rod of claim 1, wherein the outer peripheral wall of the limiting sleeve is provided with a first protrusion, the outer sleeve is provided with a fifth through hole, and the first protrusion is inserted into the fifth through hole.

7. The telescopic rod according to claim 6, wherein the outer circumference of the position-limiting sleeve is provided with a second protrusion, the outer sleeve is provided with a sixth through hole at the second protrusion, the second protrusion is inserted into the first through hole, and the end of the pressing member extends into the sixth through hole.

8. The telescopic rod according to claim 1, wherein the mounting seat is a plastic part, the connecting sleeve is a metal part, and the mounting seat and the connecting sleeve are integrally connected through injection molding.

9. The telescoping rod of claim 1, wherein the second through hole is located within the pressing member in a projection perpendicular to an axis of the pressing member.

10. An electric fan, characterized in that it comprises a telescopic rod according to any one of claims 1 to 9.