TWM591153U - Structure of ventilation fan - Google Patents

Abstract

This creation relates to a ventilating fan structure, which includes a main body, which includes a casing and a fan mechanism provided in the casing, the casing includes an inflow port communicating with the interior, and a drainage portion, the drainage portion is provided There is an exhaust port connected to the inflow port, the exhaust part is for detachably combining a vent pipe, the exhaust port is for communicating with the vent pipe, and a positioning structure is provided in the housing for the vent pipe Be out of the ground limit.

Description

Ventilation fan structure

This creation is about a ventilator structure.

The ventilating fan structure is usually installed on the ceiling of the bathroom, and is connected to the upper with a ventilation pipe to extract the air in the bathroom and discharge it to the outside of the bathroom.

The ventilating fan structure of the conventional technology is like TW231080, and its fan mechanism seat is provided with an exhaust pipe part, and the exhaust pipe part is provided with an air outlet communicating with the interior, and the ventilation pipe can be installed on the exhaust pipe part. When the ventilation pipe of the conventional technology is sleeved on the exhaust pipe part, it needs to be wrapped around the exhaust pipe part and the ventilation pipe with a binding member such as tape or iron wire to combine the two, but is bound with a binding member such as tape or wire The exhaust pipe section and the ventilation pipe are time-consuming, and the tape will be de-tacky after long-term use, and the wire is also easy to loosen due to external forces. In addition, when installing the ventilation pipe, it is also necessary to carry binding tape or wire and other binding fasteners. Causes inconvenience in use and poor bonding strength.

Therefore, it is necessary to provide a novel and progressive ventilation fan structure to solve the above-mentioned problems.

The main purpose of this creation is to provide a ventilating fan structure that can be used to quickly disassemble and assemble a ventilation duct.

In order to achieve the above purpose, the present invention provides a ventilating fan structure, which includes a main body, which includes a casing and a fan mechanism provided in the casing, the casing includes an inflow port and an exhaust portion communicating with the interior, The drain part is provided with a drain port communicating with the inlet port, the drain part is detachably combined with a vent pipe, the drain port is connected with the vent pipe; a positioning structure is provided in the casing, The ventilation pipe can be detached from the upper limit.

The following will illustrate the structural features of the creation and the expected effects of the creation by examples, but not to limit the scope of protection of the creation, which will be described first.

Please refer to FIG. 1 to FIG. 10, which shows a first preferred embodiment of the creation, the ventilating fan structure 1 of the creation includes a main body 10 and a positioning structure 20.

The main body 10 includes a casing 11 and a fan mechanism 12 disposed in the casing 11. The casing 11 includes an inflow port 13 and an exhaust portion 14 communicating with the interior. The exhaust portion 14 is provided with a communication The exhaust port 15 of the inlet 13, the exhaust part 14 is provided for a detachable combination of a vent pipe 2, the exhaust port 15 is for communicating with the vent pipe 2; the positioning structure 20 is provided in the housing 11 for The ventilation tube 2 can be detached from the upper limit, so that the ventilation tube 2 can be quickly disassembled and assembled. In this embodiment, the positioning structure 20 is a clamping structure. In other embodiments, the positioning structure 20 may also be a barb structure, for example, the lip of the ventilation pipe is locked to the barb structure. In detail, the ventilation tube 2 is a deformable material, such as an aluminum foil tube.

Preferably, the number of the positioning structures 20 is a plural number, the drainage port 15 defines a central axis L, the plural positioning structures 20 are arranged around the central axis L; furthermore, at least two of the positioning structures 20 are arranged on the drainage The opposite side of the part 14 bis, so that the vent pipe 2 can be stably positioned.

The drainage portion 14 includes a ring portion 16 connected to the housing 11 and a connecting pipe 17 detachably provided outside the ring portion 16, which facilitates quick replacement and disassembly of the external pipe 17 to the housing 11. The external pipe 17 and the ring portion 16 are sleeved with each other. In this embodiment, the housing 11 further includes a first coupling structure 18. A ring wall 171 of the outer tube 17 is provided with a second coupling structure 172. The second coupling structure 172 and one of the first coupling structure 18 One includes a radially extending locking protrusion, and the other includes a locking groove that is detachably engaged with the locking protrusion. The external tube 17 is rotated relative to the ring portion 16 to buckle the locking protrusion into the locking groove for the ventilation tube 2 to be clamped between the locking protrusion and the wall surface of the locking groove, the locking protrusion and the locking groove Limit each other with one axis to make the two combine with each other. In this embodiment, the first coupling structure 18 is provided with the locking groove 181, and the second coupling structure 172 is provided with the locking protrusion 173.

In addition, the second coupling structure 172 extends toward one circumferential direction P of the ring wall 171, whereby the rotation direction of the second coupling structure 172 can be selected to be engaged and disengaged from the first coupling structure 18. In this embodiment, the second coupling structure 172 is disposed on the outer side of the outer tube 17, which is convenient for disassembling and observing the coupling state of the first coupling structure 18 and the second coupling structure 172. Preferably, the first coupling structure 18 abuts against the outer side of the outer tube 17 so as to be tightly coupled to each other and not easily disengaged. In this embodiment, the positioning structure 20 is disposed on the outside of the external pipe 17, which facilitates positioning of the ventilation pipe 2 with the external pipe 17. In other embodiments, the positioning structure can also be located inside the outer tube.

The first coupling structure 18 includes a first clamping surface 22, the second coupling structure 172 is provided with the second clamping surface 21, and the first clamping surface 22 and the second clamping surface 21 are provided for clamping A wall of the ventilation pipe 2 is positioned against. One of the second coupling structure 172 and the first coupling structure 18 can elastically move radially relative to the other; in this embodiment, the second coupling structure 172 can elastically move radially relative to the first coupling structure The movement of 18 can achieve elastic clamping and improve the positioning effect; thereby, it can help to quickly combine the external pipe 17 on the housing 11 and can clamp the wall of the ventilation pipe 2 at the same time. The outer tube 17 is disposed between the first coupling structure 18 and the ring portion 16, a space 30 is formed between the second coupling structure 172 and the ring portion 16, and the second coupling structure 172 can be elastically reset to move to The space 30. In addition, the size of the space 30 in the radial direction is less than 1/2 of the size of the second coupling structure 172 in the radial direction, and the second coupling structure 172 will not move or deform excessively. In this embodiment, the second coupling structure 172 is integrally formed on the external tube 17. The external tube 17 is made of elastically deformable material. In other embodiments, only the second coupling structure can be elastically deformed relative to the outer tube.

Preferably, the first clamping surface 22 and the second clamping surface 21 are respectively matched and non-linearly extended structures; in this embodiment, the first clamping surface 22 and the second clamping surface 21 are provided with a plurality of abutting portions 23, 24, the adjacent two of the abutting portions 23, 24 are arranged laterally with each other, so that the cross section of the first clamping surface 22 and the second clamping surface 21 in the axial direction is L-shaped ( Stepped); in other embodiments, the first clamping surface and the second clamping surface may also be wavy, toothed, arc-shaped, etc., to improve the clamping force.

The ventilating fan structure 1 further includes a counter-flow plate 40, which is disposed on the discharge portion 14 and can open the discharge opening 15 to close it.

Please refer to FIGS. 11 to 14, which shows a second preferred embodiment of the present creation. The difference from the first preferred embodiment is that the ring wall 171 of the external tube 17a is provided with a ring protrusion 19 to enhance The structural strength of the outer tube 17a. In this embodiment, one end of the ring protrusion 19 is connected to the locking protrusion 173 and forms a stepped shape with the locking protrusion 173. The ring protrusion 19 is provided with a longitudinal wall 191 transverse to the locking protrusion 173. The circumferential direction P of the circumscribed tube 17a abuts against the longitudinal wall 191; thereby, the rotation angle of the circumscribed tube 17a relative to the housing 11 can be restricted to avoid being easily turned.

Please refer to FIG. 15 to FIG. 19, which shows a third preferred embodiment of the present creation. The difference from the second preferred embodiment is that the ring protrusion 19' and the latch protrusion 173 are in the outer tube 17b. Displaced in the axial direction, an evasion groove 50 is formed between the ring protrusion 19 ′ and the housing 11, the first coupling structure 18 can be selectively located inside or outside the evasion groove 50, and the first coupling structure 18 is further provided with a Convex portion 182, the convex portion 182 and the ring protrusion 19' protrude toward each other; thereby, the vent pipe 2 can be projected in the reverse radial direction by the ring protrusion 19' and the convex portion 182, respectively, to The strength of the ventilation pipe 2 coupled to the housing 11 is increased.

In use, the second coupling structure 172 of the external pipe 17 and the first coupling structure 18 of the housing 11 are misaligned with each other, and the ventilation pipe 2 is sleeved on the external pipe 17 and covers the second coupling structure 172 , And rotate the circumscribed tube 17 so that the second coupling structure 172 and the first coupling structure 18 buckle each other, and the first clamping surface 22 and the second clamping surface 21 clamp against the tube of the ventilation tube 2 The opposite sides of the wall achieve the positioning effect; otherwise, the outer tube 17 is rotated in the opposite direction relative to the housing 11 to disengage the second coupling structure 172 from the first coupling structure 18, so as to quickly disassemble the outer tube 17 Quickly detach the ventilation pipe 2 on the casing 11. According to this, the external pipe 17 is selected to rotate forward or reverse relative to the casing 11, so as to quickly disassemble and attach the ventilation pipe 2 to the casing 11.

1‧‧‧Ventilation fan structure 2‧‧‧Ventilation pipe 10‧‧‧Main 11‧‧‧Housing 12‧‧‧Fan mechanism 13‧‧‧Inflow 14‧‧‧ Drainage Department 15‧‧‧ Drain 16‧‧‧ Department 17, 17a, 17b‧‧‧External tube 171‧‧‧ring wall 172‧‧‧Second combination structure 173‧‧‧Convex 18‧‧‧First combined structure 181‧‧‧Card slot 182‧‧‧Convex 19, 19’‧‧‧ Ring convex 191‧‧‧longitudinal wall 20‧‧‧positioning structure 22‧‧‧The first clip 21‧‧‧The second clip 23, 24‧‧‧ arrived 30‧‧‧Space 40‧‧‧Counter current plate 50‧‧‧ dodge ditch L‧‧‧Central axis P‧‧‧ Zhou Xiang

FIG. 1 is a perspective view of a first preferred embodiment. FIG. 2 is a partial exploded view of a first preferred embodiment. FIG. 3 is another perspective view of creating a first preferred embodiment. FIG. 4 is another exploded view of a first preferred embodiment. FIG. 5 is a partial cross-sectional view of a first preferred embodiment. FIG. 6 is a partially enlarged view of FIG. 5. FIG. 7 is a usage state diagram for creating a first preferred embodiment. Fig. 8 is an exploded view of Fig. 6. 9 is another partial cross-sectional view of a first preferred embodiment. FIG. 10 is a state diagram of the creation of a first preferred embodiment. Fig. 11 is a perspective view of a second preferred embodiment. FIG. 12 is a partially enlarged view of FIG. 11. FIG. 13 is a cross-sectional view of creating a second preferred embodiment. FIG. 14 is a partial usage state diagram of a second preferred embodiment. FIG. 15 is a perspective view of a third preferred embodiment. Fig. 16 is a partially enlarged view of Fig. 15. Fig. 17 and Fig. 18 are the use state diagrams of a third preferred embodiment. FIG. 19 is a cross-sectional view of a third preferred embodiment.

1‧‧‧Ventilation fan structure

2‧‧‧Ventilation pipe

11‧‧‧Housing

14‧‧‧ Drainage Department

20‧‧‧positioning structure

40‧‧‧Counter current plate

Claims (10)

A ventilating fan structure, including: A main body includes a casing and a fan mechanism provided in the casing, the casing includes an inflow port communicating with the interior and a drainage part, the drainage part is provided with an drainage port communicating with the inlet, The drainage part is provided for detachably combining a ventilation pipe, and the drainage port is provided for communication with the ventilation pipe; A positioning structure is provided on the casing for the vent pipe to be detachably located on the upper side. The ventilating fan structure according to claim 1, wherein the exhaust portion includes a ring portion connected to the casing and a connecting pipe directly detachably provided outside the ring portion, and the external pipe and the ring portion are sleeved with each other , The casing further includes a first coupling structure, a ring structure of the outer tube is provided with a second coupling structure, one of the second coupling structure and the first coupling structure includes a locking protrusion, and the other includes a The locking grooves of the locking protrusions can be buckled with each other detachably; wherein the external tube is rotated relative to the ring portion, so that the locking protrusions snap into the locking grooves for the ventilation tube to be clamped between the locking protrusions and the locking grooves Between the wall surfaces, the locking protrusion and the locking slot are mutually limited in an axial direction. The ventilating fan structure according to claim 2, wherein the ring wall of the external tube is provided with a ring protrusion. The ventilating fan structure according to claim 3, wherein the first coupling structure is provided with the locking groove, the second coupling structure is provided with the locking protrusion, and one end of the ring protrusion is connected to the locking protrusion and forms a step shape with the locking protrusion The ring protrusion is provided with a longitudinal wall transverse to the locking protrusion, and the locking protrusion can abut against the longitudinal wall in the circumferential direction of the external pipe. The ventilating fan structure according to claim 3, wherein the ring protrusion and the locking protrusion are arranged in an offset position in the axial direction of the outer tube, an evasion groove is formed between the ring protrusion and the casing, and the first combining structure is selectively It can be located inside or outside the dodge groove, and the first coupling structure is further provided with a convex portion, and the convex portion and the ring are convex in the direction of being arranged with each other. The ventilating fan structure according to claim 2, wherein the second coupling structure is elastically movable radially relative to the first coupling structure, the outer tube is provided between the first coupling structure and the ring portion, the second A space is formed between the coupling structure and the ring portion, and the second coupling structure can be elastically reset and moved to the space. The ventilation fan structure according to claim 2, wherein the first coupling structure includes a first clamping surface, the second coupling structure is provided with the second clamping surface, the first clamping surface and the second clamp A wall of the vent pipe is clamped and positioned between the abutment surfaces. The ventilating fan structure according to claim 7, wherein each of the first clamping surface and the second clamping surface is a non-linearly extending structure that cooperates with each other. The ventilating fan structure according to claim 7, wherein the first clamping surface and the second clamping surface are respectively provided with a plurality of abutment portions, and two adjacent abutment portions are arranged laterally with each other. The ventilating fan structure according to claim 8, wherein the ring wall of the external tube is provided with a ring protrusion; the first clamping surface and the second clamping surface are provided with a plurality of abutting portions, and two adjacent abutting portions They are arranged transversely to each other; the ventilating fan structure further includes a counter-flow plate, which is provided at the discharge section and can open the closure of the discharge port; the number of the positioning structure is plural, the discharge port defines a central axis, The plurality of positioning structures are disposed around the central axis; at least two of the positioning structures are disposed on two opposite sides of the drainage portion; the second coupling structure can elastically move radially relative to the first coupling structure, and the external tube is disposed on the Between the first coupling structure and the ring portion, a space is formed between the second coupling structure and the ring portion, the second coupling structure can be elastically reset and moved to the space; the size of the space in the radial direction is less than 1/ 2 The dimension of the second coupling structure in the radial direction; the second coupling structure is provided on the outer side of the circumscribed tube; the first coupling structure is against the outer side of the circumscribed tube.

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