CN215014297U

CN215014297U - Tuyere

Info

Publication number: CN215014297U
Application number: CN202023307619.7U
Authority: CN
Inventors: 杨彤; 任悦
Original assignee: Zhuichuang Technology Suzhou Co Ltd
Current assignee: Dreame Technology Suzhou Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-07
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a tuyere, include: the grille comprises a clamping part and a sunken part, the sunken part is provided with an air outlet, and a first flange is formed on one side of the sunken part, which is far away from the clamping part; the middle shell surrounds the recessed part, and an air chamber is defined between the middle shell and the recessed part; the outer shell surrounds the middle shell and is connected with the clamping part; wherein, the first flange is abutted between the middle shell and the outer shell. The utility model discloses add well casing between shell body and grid, well casing is located between shell body and the grid for the air current can not the direct contact shell body in the tuyere in the use, thereby avoids shell body high temperature. The utility model discloses an increase thermal-insulated structure's mode, under the prerequisite that does not influence diffusion tuyere performance, with the heat control of air current in inside, avoid the high temperature of shell body, promote the security performance of product.

Description

Tuyere

[ technical field ] A method for producing a semiconductor device

The utility model relates to a small household electrical appliances technical field especially relates to a tuyere.

[ background of the invention ]

The diffusion air nozzle is generally arranged at an air outlet of a household appliance such as a blower and the like, and has the function of uniformly and softly diffusing and releasing high-speed airflow and reducing the impact feeling of the airflow. The existing diffusion air nozzle generally adopts a single-layer structure, and two plastic parts are combined into a whole by using processes such as buckling or ultrasonic welding. This design is simple in construction, but the disadvantage is also apparent: when high-temperature airflow is blown out by the electric appliance, heat is easy to accumulate at the diffusion air nozzle, so that the high temperature of the outer wall is caused, and the use safety is influenced.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ Utility model ] content

An object of the utility model is to provide a tuyere under the prerequisite that does not influence diffusion tuyere performance, can be with the heat control of air current in inside to avoid the high temperature of outer wall.

The utility model aims at realizing through the following technical scheme: a tuyere, comprising:

the grille comprises a clamping part and a sunken part, the sunken part is provided with an air outlet, and a first flange is formed on one side of the sunken part, which is far away from the clamping part;

a middle housing surrounding the recess, the middle housing and the recess defining an air chamber therebetween;

the outer shell surrounds the middle shell and is connected with the clamping part;

wherein the first flange abuts between the middle housing and the outer housing.

The utility model provides a blast nozzle's further improvement lies in, well casing with inject thermal-insulated cavity between the shell body.

The utility model provides a further improvement of the tuyere, the middle shell is provided with a middle shell air inlet part and a middle shell air outlet part, and the outer shell is provided with a shell air inlet part and a shell air outlet part;

the middle shell air outlet part extends along the central line direction of the middle shell to form a first check ring;

a limiting piece is formed on the inner side of the air outlet part of the shell and comprises a first limiting block;

the inner side of the first flange abuts against the first retainer ring, and the outer side of the first flange abuts against the first limiting block.

The utility model provides a still further improvement of tuyere lies in, mesochite air-out portion is formed with annular second retaining ring along radial extension, being close to of first flange one side of shell air inlet portion support lean on in the second retaining ring, first stopper support lean on in keeping away from of second retaining ring one side of mesochite air inlet portion.

The utility model provides a still further improvement of tuyere lies in, the second keeps off the circle and is equipped with first breach, the locating part still includes spacing piece, spacing piece card is located in the first breach, first stopper is located two between the spacing piece.

The utility model provides a still further improvement of tuyere lies in, joint portion outwards is formed with the second flange, being close to of second flange one side of shell body is formed with annular third retaining ring, the third retaining ring is equipped with the second breach, the locating part still includes the second stopper, second stopper card is located in the second breach.

The utility model provides a still further improvement of tuyere lies in, joint portion still is formed with the dog, the dog support lean on in keeping away from of second stopper one side of second flange.

The utility model provides a still further improvement of tuyere lies in, spacing piece to the grid extends, the dog card is located two between the spacing piece.

The utility model provides a still further improvement of tuyere lies in, mesochite air inlet portion follows the central line direction of mesochite extends and forms the joint piece, shell air inlet portion is equipped with the draw-in groove, joint piece card is located in the draw-in groove.

The utility model provides a still further improvement of tuyere lies in, spacing piece the second stopper with first stopper integrated into one piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses add well casing between shell body and grid, well casing is located between shell body and the grid for the air current can not the direct contact shell body in the tuyere in the use, thereby avoids shell body high temperature. The utility model discloses an increase thermal-insulated structure's mode, under the prerequisite that does not influence diffusion tuyere performance, with the heat control of air current in inside, avoid the high temperature of shell body, promote the security performance of product.

[ description of the drawings ]

Fig. 1 is a perspective view of the tuyere of the present invention.

Fig. 2 is an exploded view of the tuyere of the present invention.

Fig. 3 is a sectional view of the tuyere of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Fig. 5 is an enlarged view of a portion B in fig. 3.

Fig. 6 is a schematic structural diagram of the middle grid of the present invention.

Fig. 7 is a schematic structural diagram of the middle housing of the present invention.

Fig. 8 is a schematic structural view of the outer housing of the present invention.

[ detailed description ] embodiments

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, in the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 8, the present embodiment provides a tuyere, including:

the grille 10 comprises a clamping part 11 and a concave part 12, the concave part 12 is provided with an air outlet 126, and a first flange 121 is formed on one side of the concave part 12 far away from the clamping part 11;

a middle shell 20, wherein the middle shell 20 surrounds the concave part 12, and an air chamber 50 is defined between the middle shell 20 and the concave part 12;

an outer shell 30, wherein the outer shell 30 surrounds the middle shell 20 and is connected with the clamping part 11;

wherein the first flange 121 abuts between the middle shell 20 and the outer shell 30.

In the embodiment, the middle shell 20 is additionally arranged between the outer shell 30 and the grille 10, and the middle shell 20 is arranged between the outer shell 30 and the grille 10, so that hot airflow of the air nozzle cannot directly contact the outer shell 30 in the use process, and the outer shell 30 is prevented from being too high in temperature. This embodiment is through the mode that increases thermal-insulated structure, under the prerequisite that does not influence diffusion tuyere performance, with the heat control of air current in inside, avoids shell body 30's high temperature, promotes the security performance of product. The middle shell 20 is in a circular truncated cone shape.

In this embodiment, the first flange 121 is formed by extending the grille 10 along the direction of the central axis of the tuyere, and the first flange 121 of the grille 10 abuts between the middle casing 20 and the outer casing 30, so that the middle casing 20 and the outer casing 30 can limit the first flange 121, thereby limiting the grille 10 and firmly connecting the grille 10 to the middle casing 20 and the outer casing 30. Preferably, the first flange 121 in this embodiment is annular.

Further, in order to better avoid the outer casing 30 from being too hot due to the influence of the heated airflow, an insulating cavity 40 is defined between the middle casing 20 and the outer casing 30, and the insulating cavity 40 can increase the insulating performance, so as to avoid the outer casing 30 from being too hot due to the influence of the heated airflow.

Further, the middle shell 20 is provided with a middle shell air inlet part 22 and a middle shell air outlet part 21, and the outer shell 30 is provided with an outer shell air inlet part 32 and an outer shell air outlet part 31; the middle shell air outlet part 21 extends along the central line direction of the middle shell 20 to form a first retainer ring 212; a limiting piece 310 is formed on the inner side of the air outlet part 31 of the housing, and the limiting piece 310 comprises a first limiting piece 311; the inner side of the first flange 121 abuts against the first retainer ring 212, and the outer side of the first flange 121 abuts against the first stopper 311. In this embodiment, the first flange 121 of the grille 10 abuts between the first retainer ring 212 of the middle housing 20 and the first stopper 311 of the outer housing 30, so that the middle housing 20 and the outer housing 30 radially limit the first flange 121 while preventing the grille 10 from being deformed or moved.

The middle shell air inlet portion 22 and the middle shell air outlet portion 21 in the embodiment are communicated through a first air channel, the shell air inlet portion 32 and the shell air outlet portion 31 are communicated through a second air channel, and the second air channel and the first air channel are partially overlapped. In addition, the housing air inlet portion 32 extends along the center line direction of the housing 30 to form a collar 321 for engaging with the blower main body. The tuyere in this embodiment includes an outer casing 30, a middle casing 20 and a grille 10, and a retainer ring 321 of the outer casing 30 can be directly clamped to the blower main body to realize connection between the tuyere and the blower main body. In particular, collar 321 is provided with a catch 322, catch 322 being adapted to catch into a recess in the blower body, thereby securely attaching outer housing 30 to the blower body. The retainer ring 321 of the outer shell 30 is directly clamped to the blower main body, and the air flow blown out from the blower main body enters the air nozzle through the outer shell air inlet part 32, passes through the middle shell air inlet part 22 and the middle shell air outlet part 21, and then is blown out from the outer shell air outlet part 31. When the air flow is blown out from the air nozzle, the air flow is blown out through the air outlet holes 126 of the grille 10.

Furthermore, the middle housing air outlet portion 21 extends radially to form an annular second retaining ring 211, a side of the first flange 121 close to the housing air inlet portion 32 abuts against the second retaining ring 211, and the first limiting block 311 abuts against a side of the second retaining ring 211 far from the middle housing air inlet portion 22, so as to prevent the middle housing 20 from moving in a direction close to the grille 10, thereby limiting the middle housing 20 in the outer housing 30.

Further, the second retaining ring 211 is provided with a first gap 216, the limiting member 310 further includes a limiting piece 316, the limiting piece 316 is clamped in the first gap 216, and the first limiting block 311 is disposed between the two limiting pieces 316. In this embodiment, the limiting piece 316 of the outer shell 30 is engaged with the first notch 216 of the middle shell 20 to prevent the middle shell 20 from rotating relative to the outer shell 30, and further limit the middle shell 20 to the outer shell 30.

Furthermore, the clamping portion 11 is outwardly formed with a second flange 122, one side of the second flange 122 close to the outer shell 30 is formed with an annular third retaining ring 123, the third retaining ring 123 is provided with a second notch 124, the limiting member 310 further includes a second limiting block 312, and the second limiting block 312 is clamped in the second notch 124 to prevent the grille 10 from rotating relative to the outer shell 30, so as to limit the grille 10 in the outer shell 30.

Furthermore, the clamping portion 11 is further formed with a stopper 125, and the stopper 125 abuts against a side of the second stopper 312 away from the second flange 122 to prevent the grille 10 from moving along the central axis of the tuyere, so as to further limit the grille 10 in the outer casing 30.

Furthermore, the position-limiting pieces 316 extend towards the grille 10, and the stopper 125 is clamped between the two position-limiting pieces 316.

In this embodiment, the second stopper 312 is connected between the two stopper pieces 316.

Further, the middle case air inlet portion 22 extends along the center line direction of the middle case 20 to form the clamping block 220, the case air inlet portion 32 is provided with a clamping groove 320, and the clamping block 220 is clamped in the clamping groove 320.

In this embodiment, the diameter of the middle housing air inlet portion 22 is smaller than the diameter of the middle housing air outlet portion 21, the diameter of the outer housing air inlet portion 32 is smaller than the diameter of the outer housing air outlet portion 31, and the air flow can be effectively diffused when being blown out from the air nozzle. Specifically, the middle shell air inlet portion 22 extends along the central line direction of the middle shell 20 to form the clamping block 220, the shell air inlet portion 32 is provided with the clamping groove 320, the clamping block 220 is clamped in the clamping groove 320 to prevent the clamping block 220 from moving along the radial direction of the middle shell 20, the middle shell air inlet portion 22 is limited in the shell air inlet portion 32, and the middle shell 20 is limited in the outer shell 30.

Furthermore, the limiting piece 316, the second limiting piece 312 and the first limiting piece 311 are integrally formed on the inner side of the outer casing 30, so as to improve the overall structural strength of the air nozzle.

In this embodiment, the grille 10 is substantially concave, and the plurality of air outlets 126 are uniformly distributed on the grille 10. The grill 10 may also be provided with protrusions on the side of the grill 10 remote from the air inlet portion 32 of the housing for contacting the hair of the user. Two sets of protrusions are included in this embodiment, each set of protrusions includes a plurality of protrusions, each set of protrusions can be arranged in an annular array on the grid 10, and the two sets of protrusions are arranged in an annular array around the same center of circle. The protrusion is provided with radially arranged ventilation holes for the outflow of air.

In order to assemble the air nozzle, the middle shell 20 can be firstly installed in the outer shell 30, the relative positions of the middle shell 20 and the outer shell 30 are adjusted, the clamping block 220 of the middle shell 20 is clamped in the clamping groove 320 of the outer shell 30, the first limiting block 311 of the outer shell 30 abuts against the second limiting ring 211 of the middle shell 20, and the limiting sheet 316 of the outer shell 30 is clamped in the first notch 216 of the middle shell 20, so that the middle shell 20 and the outer shell 30 are clamped; and then, the mounting grid 10 is mounted in the outer shell 30, the relative position of the grid 10 and the outer shell 30 is adjusted, so that the first flange 121 of the grid 10 is clamped between the first retaining ring 212 of the middle shell 20 and the limiting member 310 of the outer shell 30, the stop block 125 of the grid 10 abuts against the second stop block 312 of the outer shell 30, and the second stop block 312 of the outer shell 30 is clamped in the second notch 124 of the third retaining ring 123 of the grid 10, so that the grid 10 is clamped between the outer shell 30 and the middle shell 20, and the assembly of the tuyere is completed.

The utility model discloses add well casing 20 between shell 30 and grid 10 for the hot air current can not the direct contact shell body 30 in the tuyere use, under the prerequisite that does not influence diffusion tuyere performance, with the heat control of air current in inside, avoid shell body 30 high temperature.

The above is only a specific embodiment of the present invention, and other improvements made on the premise of the inventive concept are all considered as the protection scope of the present invention.

Claims

1. A tuyere, characterized in that the tuyere comprises:

the grille (10) comprises a clamping part (11) and a sunken part (12), the sunken part (12) is provided with an air outlet (126), and one side of the sunken part (12) far away from the clamping part (11) is provided with a first flange (121);

a center housing (20), the center housing (20) surrounding the recessed portion (12), the center housing (20) and the recessed portion (12) defining an air chamber (50) therebetween;

an outer shell (30), wherein the outer shell (30) surrounds the middle shell (20) and is connected with the clamping part (11);

wherein the first flange (121) abuts between the middle shell (20) and the outer shell (30).

2. The tuyere of claim 1, wherein an insulating cavity (40) is defined between the middle casing (20) and the outer casing (30).

3. The tuyere of claim 1, characterized in that the middle casing (20) is provided with a middle casing air inlet portion (22) and a middle casing air outlet portion (21), and the outer casing (30) is provided with an outer casing air inlet portion (32) and an outer casing air outlet portion (31);

the middle shell air outlet part (21) extends along the central line direction of the middle shell (20) to form a first check ring (212);

a limiting piece (310) is formed on the inner side of the air outlet part (31) of the shell, and the limiting piece (310) comprises a first limiting piece (311);

the inner side of the first flange (121) abuts against the first retainer ring (212), and the outer side of the first flange (121) abuts against the first limiting block (311).

4. The tuyere of claim 3, wherein an annular second retaining ring (211) is formed by extending the middle casing air outlet portion (21) in the radial direction, one side of the first flange (121) close to the outer casing air inlet portion (32) abuts against the second retaining ring (211), and the first limiting block (311) abuts against one side of the second retaining ring (211) far away from the middle casing air inlet portion (22).

5. The tuyere according to claim 4, wherein the second retainer ring (211) is provided with a first notch (216), the limiting member (310) further comprises a limiting piece (316), the limiting piece (316) is clamped in the first notch (216), and the first limiting piece (311) is disposed between the two limiting pieces (316).

6. The tuyere according to claim 5, wherein a second flange (122) is formed outward from the clamping portion (11), an annular third retaining ring (123) is formed on a side of the second flange (122) close to the outer casing (30), the third retaining ring (123) is provided with a second notch (124), the limiting member (310) further comprises a second limiting block (312), and the second limiting block (312) is clamped in the second notch (124).

7. The tuyere according to claim 6, wherein the clamping portion (11) is further formed with a stopper (125), and the stopper (125) abuts against a side of the second stopper (312) away from the second flange (122).

8. The tuyere according to claim 7, wherein the stopper piece (316) extends toward the grille (10), and the stopper (125) is engaged between the stopper pieces (316).

9. The air nozzle according to claim 3, characterized in that the middle shell air inlet portion (22) extends along the central line direction of the middle shell (20) to form a clamping block (220), the outer shell air inlet portion (32) is provided with a clamping groove (320), and the clamping block (220) is clamped in the clamping groove (320).

10. The tuyere according to claim 8, wherein a stopper piece (316), the second stopper (312) and the first stopper (311) are integrally formed.