JP2007010250A - Ventilator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a revolutionary ventilator having a very high commercial value. <P>SOLUTION: The ventilator is attached to a ventilating hole 1a provided in a wall surface 1, and it is comprised of a cylindrical attachment body 2 provided in connection to the ventilating hole 1a, and an opening and closing lid body 3 provided on a front face opening of the attachment body 2 to open and close the front face opening. The opening and closing lid body 3 is provided with an opening and closing mechanism K changing the opening and closing lid body 3 stepwise between a plurality of positions of a closed position, a half-opened position, and a maximally opened position by protruding and withdrawing the opening and closing lid body 3. In the opening and closing mechanism K, changing of the opening and closing lid body 3 from the maximally opened position to the half-opened position is carried out by one push operation. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a ventilation device.

  Conventionally, as a ventilation device attached to a ventilation hole provided on a wall surface of a building to be ventilated, a ventilation device having an opening / closing function capable of switching between a ventilation enabled state and a ventilation disabled state has been proposed.

  Originally, this ventilator is required to be able to ventilate the inside and outside of the room at all times due to the relationship with the Building Standards Law, but on the other hand, it is open, for example, during typhoons and strong winds. However, there is also a demand to make the ventilation impossible in an unavoidable situation where inconvenience arises.

  This ventilating device with an opening / closing function comprises a cylindrical mounting body connected to a ventilation hole, and an opening / closing lid provided at the front opening of the mounting body for opening / closing the front opening. In general, it is possible to switch between a closed position and an open position by pushing the button.

  By the way, this type of ventilation device with an opening / closing function has been proposed that includes an opening / closing mechanism that switches the position of the opening / closing lid (a plurality of positions of a closed position, a middle position of opening, and a maximum opened position) in stages. (Hereinafter referred to as a conventional example).

  In this conventional example, by switching the opening / closing position of the opening / closing lid, the degree of opening of the front opening of the mounting body can be varied to adjust the air flow rate.

  In the conventional example, the opening / closing lid body is opened and closed in the order of the open position to the closed position, the closed position to the open middle position, and the open middle position to the open position. Switching is most necessary. That is, it is most necessary in daily life if you do not want to block the ventilation but want to restrict it.

  Nevertheless, the conventional example is extremely troublesome because it cannot achieve the opening halfway position unless it passes through the closing position from the opening position.

  In addition, in the conventional example, the mounting structure of the opening / closing lid body with respect to the mounting body is generally a structure in which parts are mounted from the rear side of the mounting body, and it is necessary to replace the parts after installation on the wall surface. In such a case, there is a problem that the maintainability is very bad, for example, the entire apparatus (mounting body) must be removed from the wall surface.

  The present invention has been developed in view of the above-described problems, and provides a ventilation device that is very easy to operate and excellent in practicality.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A ventilation device attached to a ventilation hole 1a provided in the wall surface 1, and is provided in a cylindrical mounting body 2 connected to the ventilation hole 1a and a front opening of the mounting body 2, and the front opening The opening / closing lid body 3 includes an opening / closing lid body 3, and the opening / closing lid body 3 is opened / closed in stages as the opening / closing lid body 3 projects into and out of a closed position, an open position, and a maximum open position. A mechanism K is provided, and the opening / closing mechanism K is configured such that switching from the maximum opening position of the opening / closing lid body 3 to a position in the middle of opening is performed by a single pressing operation of the opening / closing lid body 3. It relates to the ventilation device.

  Further, it is a ventilation device attached to a ventilation hole 1a provided in the wall surface 1, and is provided in a cylindrical mounting body 2 connected to the ventilation hole 1a and a front opening of the mounting body 2, and the front surface The opening / closing lid 3 opens and closes the opening, and the opening / closing lid 3 is stepped into a plurality of positions, ie, a closed position, an opening halfway position, and a maximum opened position by projecting and retracting the opening / closing lid 3. An opening / closing mechanism K that is switched is provided, and the opening / closing mechanism K is in the middle of opening when the opening / closing lid 3 is pushed into the maximum opening position to be first locked. By further pushing, the first lock is released and the second lock is made, so that the opening / closing lid body 3 is in the closed position, and by further pushing, the second lock is released to the maximum open position. It is configured to return. Those of the device.

  Further, in the ventilator according to any one of claims 1 and 2, the wall surface 1 includes a cylinder projecting on the back surface of the opening / closing lid 3, and a cylinder provided in the mounting body 2. The present invention relates to a ventilator characterized by functioning by fitting and connecting.

  Since the present invention is configured as described above, a state desired by the user can be obtained easily and quickly in a ventilator with an opening / closing function, and the ventilator is extremely easy to operate and excellent in practicality. .

  DESCRIPTION OF EMBODIMENTS Preferred embodiments of the present invention will be described with reference to the drawings showing the operation of the present invention.

  In the present invention, the opening / closing lid 3 at the maximum opening position can be switched to the opening halfway position by a one-pressing operation of the opening / closing lid 3.

  Therefore, it is possible to switch easily and quickly in a state desired by the user in the ventilator with an opening / closing function, particularly when the opening / closing lid 3 in the open position is desired to be in the middle of opening with a slight reduction in air flow.

  A specific embodiment of the present invention will be described with reference to the drawings.

  The present embodiment is a ventilator attached to a ventilation hole 1 a provided in the wall surface 1, and is provided in a cylindrical mounting body 2 connected to the ventilation hole 1 a and a front opening of the mounting body 2. The opening / closing lid 3 opens and closes the front opening.

  Hereinafter, each component according to the present embodiment will be described in detail.

  The mounting body 2 is formed of an appropriate synthetic resin member as shown in FIGS. 1 and 2, and is provided in the cylindrical portion 11 and the front opening of the cylindrical portion 11 and protrudes outward. It is comprised with the cover body arrangement | positioning part 12. FIG.

  The attachment main body 2 is attached by fitting a cylindrical portion 11 into a ventilation hole 1 a provided in the wall surface 1 of the building and attaching a lid body disposing portion 12 to the wall surface 1.

  A tubular portion 4 is provided in the center of the tubular portion 11, and a plurality (four) of ribs 11 a are radially provided on the outer peripheral surface of the tubular portion 4, and the rib 11 a It is connected to the inner peripheral surface.

  The tubular portion 4 is inserted with a rod-like portion 5 provided on the opening / closing lid 3 to be described later, and the opening / closing lid 3 is fitted into the front opening of the lid body disposing portion 12.

  The tubular portion 4 is a bottomed cylindrical body, and a groove portion 6 is provided on the peripheral wall. The groove portion 6 is configured to guide a retaining portion 14 provided on the rod-like portion 5.

  Further, the rod-like portion 5 is configured to slide in a non-rotating state with respect to the tubular portion 4 (fitting between the groove 5b ′ on the peripheral wall of the rod-like portion 5 and the protrusion 4a on the inner surface of the tubular portion 4). ). The sliding of the rod-shaped part 5 in the immersion direction in the tubular part 4 is performed against the biasing body S arranged in the tubular part 4.

  It is to be noted that the rod-shaped portion 5 is prevented from coming off from the tubular portion 4 by the retaining portion 14 being locked to the tip portion of the groove portion 6.

  The rod-shaped portion 5 includes a column portion 5A integrally formed at the center of the back surface of the closing plate portion 13, and a cylindrical connection in which the column portion 5A is detachably inserted and connected to the tubular portion 4 of the mounting body 2. Part 5B.

  As shown in FIG. 3, the support column 5A has protrusions 5a projecting and sinking with appropriate elasticity on the peripheral surface thereof. When the support column 5A is inserted into the connection portion 5B, the engagement portion 5B is provided. The projection 5a is engaged with the stop window 5b so that both are integrated. By releasing the locking of the protrusion 5a with respect to the locking window 5b, the column portion 5A and the connecting portion 5B are separated.

  The connecting portion 5B is slidably inserted and connected to the tubular portion 4 of the mounting body 2 described above as shown in FIGS. 3 to 5, and is installed on both the cylindrical portion 5B ′ and the annular portion 5B ″. And an erected portion 5B '' '.

  At the distal end portion of the tubular portion 5B ′, a retaining portion 14 that is engaged with the distal end edge of the groove portion 6 provided in the tubular portion 4 when inserted and connected to the tubular portion 4 is provided, and the annular portion 5B. A rod-shaped member 16 protrudes from '', and a locking portion 7 is provided on the rod-shaped member 16.

  Reference numeral 20 denotes a receiving body that supports the urging body S with a projecting body (not shown) projecting from the tubular portion 4, and 20 a denotes a detachment prevention piece that prevents the urging body S from coming off.

  As shown in FIGS. 3 to 5, the locking portion 7 protrudes from the distal end portion of the rod-like member 16. Since the rod-like member 16 is made of synthetic resin and has appropriate elasticity, the proximal end of the rod-like member 16 is provided. The front end side is bent and deformed with fulcrum as a fulcrum, and the locking portion 7 is configured to move in the left-right direction (in the direction of arrow a in FIG. 3) and in the up-down direction (in the direction of arrow b in FIG. 3).

  Moreover, the latching | locking part 7 is formed so that it may latch on the nail | claw part mentioned later, the side part 7a and the back part 7b are formed in the taper surface, and the taper of the side part 7a is a nail | claw part mentioned later The taper of the back surface part 7b is a structure for improving the guidance by the guidance part 15 described later.

  Further, the inner edge on the back side of the groove 6 is provided with a protruding edge 9 that protrudes by a distance L toward the opposite edge, and two protrusions 8 (first nail 8A, second nail) are provided at the leading edge of the protruding edge 9. Part 8B) protrudes in order toward the back side. The first claw portion 8A and the second claw portion 8B are curved toward the back side.

  Accordingly, the locking portion 7 that moves in the groove portion 6 has its side surface portion 7a that is a tapered surface abuts against the first claw portion 8A and climbs over the first claw portion 8A while bending over the first claw portion 8A. Positioned at the protruding edge 9 and locked to the first claw portion 8A, and further moved over the second claw portion 8B while moving on the leading edge of the protruding edge 9 and bending the second claw portion 8B. The two claw portions 8B are locked (when the bumper 9 gets on the protruding edge 9 while being bent, the locking portion 7 is biased to return in the left-right direction). The locking of the first claw portion 8A and the second claw 8B is exhibited by the biasing of the biasing body S in the return direction, and the first claw portion 8A and the second claw portion 8B of the locking portion 7 are brought to the end. The opening / closing position of the opening / closing lid body 3 with respect to the attachment main body 2 is determined by the locking. This is the opening / closing mechanism K that holds the opening / closing position of the opening / closing lid 3.

  Further, the groove portion 6 is provided with a guide portion 15 for returning the locking portion 7 to the initial position at the rear side position of the second claw portion 8B at the base end side position.

  Unlike the first claw portion 8A and the second claw portion 8B described above, the guide portion 15 is configured on a wall surface 15 orthogonal to the sliding direction of the locking portion 7, and the guide portion 15 has a tapered surface. When the back surface part 7b of a certain locking part 7 comes into contact, the locking part 7 is guided while causing the tubular part 4 to return to the inside and to the outside. At this time, the locking portion 7 is disengaged from the position of the return groove portion 6 due to the return bias in the left-right direction that has occurred when riding on the protruding edge 9. In this state, it is urged by the urging body S described above, and the locking portion 7 slides on the side of the groove portion 6 without being locked to the groove portion 6, so that the protruding edge 9 disappears. When it reaches, the locking part 7 fits into the groove part 6 again. That is, the protrusion amount L of the protruding edge 9 toward the opposite edge and the initial position of the locking portion 7 are determined in consideration of this point.

  The lid body disposing portion 12 forms a front opening of the mounting body 2, and is composed of a rectangular substrate portion 12a and a rising portion 12b that is formed on the periphery of the substrate portion 12a. A closing plate portion 13 of the opening / closing lid 3 to be described later can be accommodated.

  Further, the lid body disposing portion 12 is set so that the surface of the closing plate portion 13 and the tip of the rising portion 12b are substantially flush with each other when the opening / closing lid body 3 is in the closing position. Therefore, a favorable closed state can be obtained by the opening / closing lid 3.

  As shown in FIGS. 1 and 2, the opening / closing lid 3 is formed of an appropriate synthetic resin member, and is erected at a square-shaped closing plate portion 13 and at the center of the back surface of the closing plate portion 13. It is comprised with the rod-shaped part 5 to be performed.

  The opening / closing operation of the present embodiment having the above configuration will be described.

  When the opening / closing lid 3 in the maximum open position shown in FIGS. 6, 7, and 8 is pushed, the locking portion 7 that has slidably moved the distal end side portion of the groove 6 as shown in FIGS. It overlies the one claw 8A and is located at the protruding edge 9. At this time, when the pushing operation of the opening / closing lid 3 is stopped, the locking portion 7 is brought into a locked state with the first claw portion 8A at the position of the protruding edge 9, so that the opening / closing lid 3 is in front of the mounting body 2. The opening is latched and held at an opening position where the opening is slightly opened.

  Subsequently, when the opening / closing lid 3 in the middle of opening is further pushed, the locking portion 7 gets over the second claw portion 8B as shown in FIGS. At this time, when the pushing operation of the opening / closing lid 3 is stopped, the locking portion 7 is locked to the second claw portion 8B, so that the front opening of the mounting body 2 is completely closed. It is latched and held at the closed position.

  Subsequently, as shown in FIGS. 15, 16 and 17, when the opening / closing lid 3 at this closed position is further pressed (the closing plate portion 13 of the opening / closing lid 3 is moved to the lid mounting portion of the mounting body 2. 12), the engaging portion 7 is released from the groove portion 6 by the guiding portion 15 and is urged by the urging body S, so that the opening / closing lid body 3 moves in the opening direction, and again. It will be placed in the maximum open position. At this time, as shown in FIGS. 18 and 19, the locking portion 7 slides on the inner surface position of the protruding edge 9 and then is positioned again at the tip side portion of the groove portion 6.

  As described above, it is possible to operate from the maximum opening position to the opening halfway position, from the opening halfway position to the closing position, and from the closing position to the maximum opening position by one-pressing operation of the opening / closing lid body 3. By adjusting it, it is possible to change the position from the maximum open position to the closed position at once, and depending on the operation, it is possible to perform the operation to return to the maximum open position at once by pushing from the maximum open position to the end.

  Since the present embodiment is configured as described above, it is possible to switch from the maximum open position, which was impossible in the conventional example, to the open intermediate position by a single push operation of the open / close lid 3.

  Further, in this embodiment, the opening / closing lid 3 is completed simply by inserting the rod-like portion 5 into the tubular portion 4 with respect to the attachment main body 2, and can be attached and detached on the front side of the attachment main body 2. Therefore, if it is necessary to replace the parts, for example, if the parts are consumed, the parts can be replaced while the mounting body is mounted on the wall surface, and the maintainability is very good.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

It is a perspective view which shows a present Example. It is a perspective view which shows a present Example. It is a disassembled perspective view of the principal part which concerns on a present Example. It is a perspective view of the principal part concerning a present Example. It is a perspective view of the principal part concerning a present Example. It is operation | movement explanatory drawing of a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example.

Explanation of symbols

K opening / closing mechanism 1 wall surface 1a ventilation hole 2 mounting body 3 opening / closing lid

Claims (3)

  A ventilator attached to a ventilation hole provided on a wall surface, comprising a cylindrical mounting body connected to the ventilation hole, and an opening / closing lid provided at a front opening of the mounting body for opening and closing the front opening This opening / closing lid body is provided with an opening / closing mechanism that switches in stages to a closed position, an opening middle position, and a maximum opening position when the opening / closing lid body projects and sinks. The ventilator is characterized in that the opening / closing mechanism is configured to switch from the maximum opening position of the opening / closing lid to an intermediate position by opening the opening / closing lid.   A ventilator attached to a ventilation hole provided on a wall surface, comprising a cylindrical mounting body connected to the ventilation hole, and an opening / closing lid provided at a front opening of the mounting body for opening and closing the front opening This opening / closing lid body is provided with an opening / closing mechanism that switches in stages to a closed position, an opening middle position, and a maximum opening position when the opening / closing lid body projects and sinks. The opening / closing mechanism is locked by pushing the opening / closing lid in the maximum open position so that the opening / closing lid is in the middle of opening, and further pushed to release the first locking. Ventilation characterized in that the second lid is released and the opening / closing lid is in the closed position, and further pushed to release the second latch and return to the maximum open position. apparatus.   The ventilation apparatus according to any one of claims 1 and 2, wherein the wall surface includes a tubular body projecting from a back surface of the opening / closing lid body and a tubular body provided in the mounting body. A ventilator characterized by functioning by

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