Handle connecting structure of hair drier and hair drier

Abstract

The utility model discloses a handle connecting structure of a hair dryer and the hair dryer, the handle connecting structure of the hair dryer comprises a hair dryer and a handle, the hair dryer is provided with a connecting cylinder, and the handle comprises an outer cylinder, an inner cylinder and a connecting pipe; the connecting pipe is inserted into the connecting cylinder, the upper end of the connecting pipe is connected with the connecting cylinder, the lower end of the connecting pipe is connected with the inner cylinder, the inner cylinder is sleeved with the outer cylinder, and the upper end of the outer cylinder is connected with the outer side wall of the blowing cylinder; the inner end of the connecting cylinder does not exceed the inner side wall of the blowing cylinder, and the outer end of the connecting cylinder does not exceed the outer side wall of the blowing cylinder. According to the embodiment of the utility model, the handle is connected with the blowing cylinder through the mutual matching among the connecting cylinder, the outer cylinder, the inner cylinder and the connecting pipe, and the inner end and the outer end of the connecting cylinder do not exceed the inner side wall and the outer side wall of the blowing cylinder, so that the smoothness of the surface of the blowing cylinder is ensured; the blowing cylinder can be axially demoulded in a tunnel core-pulling manner, so that a joint line is prevented from being formed on the surface of the blowing cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a handle connection structure of a hair dryer and the hair dryer. Background Art

[0002] A hair dryer is a small household appliance that is often used in people's daily lives. It is generally composed of a hair dryer body, a nozzle, and a handle. The handle is for the user to hold, and the airflow generated by the hair dryer body can be discharged through the nozzle for the user to use.

[0003] In order to facilitate the connection between the handle and the hair dryer, existing hair dryers usually have a protruding connecting tube on the side wall of the hair dryer, and the outer shell of the hair dryer is usually manufactured by mold forming. However, this protruding connecting tube destroys the flatness of the hair dryer surface, so that after the hair dryer is formed by the mold, the hair dryer can only be radially demolded by opening the front and rear molds, and the hair dryer cannot be axially demolded by using the tunnel core pulling method. As a result, the surface of the hair dryer is prone to forming a parting line, which affects the appearance of the hair dryer. Sometimes, it is even necessary to add an additional process of removing or covering the parting line, which increases production costs. Utility Model Content

[0004] In view of this, the utility model provides a handle connection structure of a hair dryer and a hair dryer, which are used to solve the problem in the prior art that a parting line is easily generated when a hair dryer is produced by using a mold forming method.

[0005] In order to achieve one, part, or all of the above purposes or other purposes, the present invention proposes: a handle connection structure for a hair dryer, comprising: a hair dryer and a handle,

[0006] A connecting tube is provided on the side wall of the hair dryer, and the handle comprises an outer tube, an inner tube and a connecting tube;

[0007] The connecting tube is inserted into the connecting tube, the upper end of the connecting tube is connected to the inner end of the connecting tube, the lower end of the connecting tube is detachably connected to the upper end of the inner tube, the outer tube is fixedly sleeved outside the inner tube, and the upper end of the outer tube is connected to the outer wall of the hair dryer tube;

[0008] Wherein, the inner end of the connecting tube does not exceed the inner wall of the hair dryer tube, and the outer end of the connecting tube does not exceed the outer wall of the hair dryer tube.

[0009] Preferably, the upper end of the connecting pipe is provided with a first convex eave outwardly along its circumference, and the first convex eave is clamped with the inner end of the connecting tube.

[0010] Preferably, a limiting block is provided on the bottom wall of the first convex eave along the axial direction of the connecting pipe, and a limiting groove is provided on the inner wall of the connecting cylinder along the axial direction thereof, and the limiting block is correspondingly engaged with the limiting groove.

[0011] Preferably, the upper end of the outer tube is provided with a second convex eave outwardly along its circumference, and the second convex eave is engaged with the outer side wall of the hair dryer.

[0012] Preferably, an annular groove is provided on the outer side wall of the hair dryer tube around the outer end of the connecting tube, and the second protrusion is connected to the annular groove.

[0013] Preferably, a plurality of limiting columns are provided on the top wall of the second convex eaves, a plurality of limiting holes are provided in the annular groove, and the limiting columns are plugged into the limiting holes in a one-to-one correspondence.

[0014] Preferably, the lower end of the connecting pipe is sleeved inside the upper end of the inner cylinder and fixed by screws.

[0015] Preferably, a groove is provided on the outer side wall of the connecting pipe, and a convex strip is provided on the inner side wall of the inner cylinder, and the convex strip is engaged with the groove.

[0016] Preferably, the inner cylinder comprises a front shell and a rear shell, and the front shell is detachably connected to the rear shell.

[0017] The utility model also provides: a hair dryer, comprising the handle connection structure of the hair dryer.

[0018] The implementation of the present invention will have the following beneficial effects:

[0019] After adopting the above-mentioned handle connection structure of the hair dryer, the handle is connected to the hair dryer through the mutual cooperation between the connecting tube and the outer tube, the inner tube and the connecting tube, and the inner end of the connecting tube does not exceed the inner wall of the hair dryer, and the outer end does not exceed the outer wall of the hair dryer, thereby ensuring the flatness of the surface of the hair dryer. After the hair dryer is formed using the mold, the hair dryer can be axially demolded by tunnel core pulling, thereby avoiding the formation of a joining line on the surface of the hair dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] in:

[0022] Figure 1This is a schematic diagram of the exploded structure of the handle connection structure of the hair dryer proposed in the present invention;

[0023] Figure 2 This is a structural diagram of a hair dryer with a handle connection structure provided by the present invention;

[0024] Figure 3 This is a structural schematic diagram of the outer cylinder of the handle connection structure of the hair dryer proposed by the present invention;

[0025] Figure 4 This is a structural schematic diagram of the inner cylinder of the handle connection structure of the hair dryer proposed by the present invention;

[0026] Figure 5 This is a structural schematic diagram of the connecting pipe of the handle connecting structure of the hair dryer proposed by the present invention;

[0027] Figure 6 This is a schematic diagram of the overall structure of the hair dryer proposed by the utility model.

[0028] Figure numerals: 10, hair dryer; 11, connecting tube; 111, limiting groove; 12, annular groove; 121, limiting hole; 20, handle; 21, outer tube; 211, second convex eaves; 212, limiting column; 22, inner tube; 2201, front shell; 2202, rear shell; 221, convex strip; 23, connecting tube; 231, first convex eaves; 232, limiting block; 233, groove. DETAILED DESCRIPTION

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this invention pertains; the terms used in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this invention; the terms "including" and "having" and any variations thereof in the specification and claims of this invention and the accompanying drawings are intended to cover non-exclusive inclusions. The terms "first" and "second" and the like in the specification and claims of this invention and the accompanying drawings are used to distinguish different objects, not to describe a specific order.

[0030] References to "embodiments" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] like Figure 1-6 The following are examples provided by the present invention.

[0033] The present invention provides a handle connection structure for a hair dryer. Figure 1-Figure 5 As shown, it includes: a hair dryer 10 and a handle 20, the handle 20 is connected to the side wall of the hair dryer 10, specifically, the hair dryer 10 is cylindrical as a whole, a connecting tube 11 is provided on the side wall of the hair dryer 10, the handle 20 includes an outer tube 21, an inner tube 22 and a connecting tube 23, the connecting tube 23 is inserted into the connecting tube 11, the upper end of the connecting tube 23 is connected to the inner end of the connecting tube 11, so that the connecting tube 23 will not completely pass through the hair dryer 10, and the connecting tube 23 will not be connected to the connecting tube 11. 1, the lower end of the connecting tube 23 passes through the inside of the hair dryer 10 and is detachably connected to the upper end of the inner tube 22, so that the inner tube 22 and the connecting tube 23 can only move upward along the axial direction of the connecting tube 11. The outer tube 21 is fixedly sleeved on the outside of the inner tube 22, and the upper end of the outer tube 21 is connected to the outer side wall of the hair dryer 10, thereby limiting the tendency of the inner tube 22 to move upward along the axis. The outer tube 21 is relatively fixedly connected to the hair dryer 10, so that the hair dryer 10 is fixedly connected to the handle 20. Among them, the inner end of the connecting tube 11 does not exceed the inner wall of the hair dryer 10, and the outer end of the connecting tube 11 does not exceed the outer wall of the hair dryer 10. Not exceeding can be either recessed inward relative to the side wall of the hair dryer 10 or flush with the side wall of the hair dryer 10, so that the inner and outer walls of the hair dryer 10 as a whole maintain their original flatness. When the hair dryer 10 is produced using a mold, the hair dryer 10 can be axially demolded by using a tunnel core pulling method, thereby avoiding the formation of a parting line on the surface of the hair dryer 10, making the appearance of the hair dryer 10 smoother and more beautiful. It can be understood that tunnel core pulling demolding refers to the process of using an inner mold and an outer mold of the same shape but different inner diameters to form a product, and then pulling the product out of the mold from the axial direction of the mold. Compared with the demolding method of using two half-side front and rear molds to form a product and then separating the front and rear molds, tunnel core pulling demolding will not produce a parting line on the surface of the formed product.

[0034] Specifically, the upper end of the connecting tube 23 is provided with a first convex 231 extending outward along its circumference. The curvature of the first convex 231 is the same as the curvature of the inner wall of the hair dryer 10, and the outer diameter of the first convex 231 is larger than the inner diameter of the connecting tube 11. The bottom wall of the first convex 231 is provided with a limit block 232 along the axial direction of the connecting tube 23, and the inner wall of the connecting tube 11 is provided with a limit groove 111 along its axial direction. The limit block 232 is correspondingly engaged with the limit groove 111, thereby engaging the first convex 231 with the inner end of the connecting tube 11, thereby preventing the connecting tube 23 from rotating within the connecting tube 11 and preventing it from completely passing downward from the connecting tube 11.

[0035] Specifically, the upper end of the outer tube 21 is provided with a second convex eave 211 extending outward along its circumference. The curvature of the second convex eave 211 is the same as the curvature of the outer wall of the hair dryer 10, and the outer diameter of the first convex eave 231 is larger than the inner diameter of the connecting tube 11. Of course, in general, the outer diameter of the second convex eave 211 is set to be equal to the outer diameter of the first convex eave 231. An annular groove 12 is provided on the outer wall of the hair dryer 10 around the outer end of the connecting tube 11, and the second convex eave 211 is connected to the annular groove 12. Since the second convex eave 211 has a curvature consistent with the outer wall of the hair dryer 10, it cannot rotate along the annular groove 12, thereby achieving the effect of the upper end of the outer tube 21 being clamped to the outer wall of the hair dryer 10. In addition, since the outer tube 21 and the inner tube 22 are relatively fixed, the upper end of the outer tube 21 is engaged with the outer wall of the hair dryer 10, which means that the inner tube 22 will also be restricted from moving upward in the axial direction. Combined with the first protrusion 231 limiting the connecting tube 23, the inner tube 22 cannot move downward in the circumferential direction, so that the inner tube 22, the outer tube 21, the connecting tube 23 and the connecting tube 11 are all fixed to each other, thereby achieving the purpose of connecting the handle 20 to the hair dryer 10.

[0036] Furthermore, a plurality of limiting columns 212 are provided on the top wall of the second convex eaves 211, and a plurality of limiting holes 121 are provided in the annular groove 12. The limiting columns 212 and the limiting holes 121 are plugged in one by one, so that the connection between the second convex eaves 211 and the outer wall of the hair dryer 10 is more stable.

[0037] Specifically, the lower end of the connecting tube 23 is sleeved within the upper end of the inner cylinder 22 and secured with screws, ensuring a secure connection between the inner cylinder 22 and the connecting tube 23 while facilitating easy removal. Furthermore, a groove 233 is provided on the outer wall of the connecting tube 23, while a ridge 221 is provided on the inner wall of the inner cylinder 22. The ridge 221 engages with the groove 233, preventing relative rotation between the connecting tube 23 and the inner cylinder 22. Furthermore, the inner cylinder 22 comprises a front shell 2201 and a rear shell 2202, which are detachably connected to each other, facilitating the removal and installation of other components of the hair dryer.

[0038] The utility model also proposes: a hair dryer, please refer to Figure 6 As shown, it includes the handle connection structure of the above-mentioned hair dryer.

[0039] Obviously, the embodiments described above are only some of the embodiments of the present invention, rather than all of the embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned specific embodiments, or to make equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the present invention specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the present invention patent.

Claims

1. A handle connection structure for a hair dryer, comprising: The hair dryer (10) and the handle (20) are characterized in that: A connecting tube (11) is provided on the side wall of the hair dryer (10), and the handle (20) comprises an outer tube (21), an inner tube (22) and a connecting pipe (23); The connecting tube (23) is inserted into the connecting tube (11), the upper end of the connecting tube (23) is connected to the inner end of the connecting tube (11), the lower end of the connecting tube (23) is detachably connected to the upper end of the inner tube (22), the outer tube (21) is fixedly sleeved outside the inner tube (22), and the upper end of the outer tube (21) is connected to the outer side wall of the hair dryer tube (10); The inner end of the connecting tube (11) does not extend beyond the inner wall of the hair dryer tube (10), and the outer end of the connecting tube (11) does not extend beyond the outer wall of the hair dryer tube (10).

2. The handle connection structure of the hair dryer according to claim 1, characterized in that: The upper end of the connecting tube (23) is provided with a first convex flange (231) outwardly along its circumference, and the first convex flange (231) is clamped with the inner end of the connecting tube (11).

3. The handle connection structure of the hair dryer according to claim 2, characterized in that: A limiting block (232) is provided on the bottom wall of the first convex eave (231) along the axial direction of the connecting tube (23), and a limiting groove (111) is provided on the inner wall of the connecting tube (11) along the axial direction thereof, and the limiting block (232) is correspondingly engaged with the limiting groove (111).

4. The handle connection structure of the hair dryer according to claim 1, characterized in that: The upper end of the outer cylinder (21) is provided with a second convex eave (211) outwardly along its circumference, and the second convex eave (211) is clamped with the outer side wall of the hair dryer (10).

5. The handle connection structure of the hair dryer according to claim 4, characterized in that: An annular groove (12) is provided on the outer wall of the hair dryer tube (10) around the outer end of the connecting tube (11), and the second convex eave (211) is butted against the annular groove (12).

6. The handle connection structure of the hair dryer according to claim 5, characterized in that: The top wall of the second convex eave (211) is provided with a plurality of limiting columns (212), the annular groove (12) is provided with a plurality of limiting holes (121), and the limiting columns (212) are plugged into the limiting holes (121) in a one-to-one correspondence.

7. The handle connection structure of a hair dryer according to claim 1, characterized in that: The lower end of the connecting pipe (23) is sleeved inside the upper end of the inner tube (22) and is fixed by screw connection.

8. The handle connection structure of the hair dryer according to claim 7, characterized in that: A groove (233) is provided on the outer wall of the connecting pipe (23), and a convex strip (221) is provided on the inner wall of the inner cylinder (22), and the convex strip (221) is clamped with the groove (233).

9. The handle connection structure of the hair dryer according to claim 8, characterized in that: The inner cylinder (22) comprises a front shell (2201) and a rear shell (2202), and the front shell (2201) and the rear shell (2202) are detachably connected to each other.

10. A hair dryer, characterized in that: A handle connection structure for a hair dryer comprising any one of claims 1-9.

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