JP2012172585A - Oscillating mechanism of blower fan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent damage in gears and teeth of a speed-reduction mechanism caused by an impact generated when a defrosting fan is turned by an air blow, and to reduce a repairing time and labor and a risk.SOLUTION: An oscillating mechanism of a blower fan is composed of an attaching cylinder 1 provided at a support member, a speed-reduction mechanism and an interlocking mechanism mounted to an attaching base 3 provided at the attaching cylinder, a defrosting fan 5 provided at a movable shaft 4 of the interlocking mechanism, and a base 6 for oscillating. A means including an attenuation mechanism and a buffering mechanism is provided at an arm member 29 of the interlocking mechanism.

Description

  The present invention relates to a swing mechanism of a blower used for factories, farming, livestock, and the like.

  2. Description of the Related Art Conventionally, this type of blower swinging crank machine (interlocking mechanism) reduces the rotation of a motor to a predetermined rotational speed by a reduction mechanism, and moves (turns) at a predetermined speed by the reduced rotational speed. Drive side crank (first member), driven side crank (second member) driven by this drive side crank (the movement is transmitted), this drive side crank and driven side crank are linked together to advance It is the structure which consists of a crank arm (arm) which reverse | retreats and transmits the said motion. As a swing mechanism of this blower, for example, there is “a structure of a mounting base for a defrost fan device” disclosed in Japanese Patent Application Laid-Open No. 2007-321634 proposed by the present applicant (Reference 1). In the present invention, since the defrost fan device has a structure in which a speed reduction mechanism and a crank mechanism are mounted, for example, when the defrost fan device is stopped or operating, the defrost fan is swung by wind. When this occurs, the shaken impact extends from the crank mechanism to the gear of the speed reduction mechanism, so that the tooth portion (mainly the tooth tip) of this gear is damaged. The main cause is that this crank mechanism does not have an impact buffering device, that is, a spring or an anti-vibration rubber, an active spring or an anti-vibration rubber damping mechanism, and a buffer mechanism means (absorber). . Further, in a defrost fan apparatus installed at a high place in a farm field, a tooth portion is easily lost due to various impacts caused by a gust of wind, a collision with flying objects, a natural disaster, or a failure. However, as is well known, the loss of the teeth of the defrosting fan device is a work at a high place, and its repair is troublesome and dangerous. One of the improvements is a place where it is desired to provide means (for example, a shock absorber) including a damping mechanism and a buffer mechanism.

  And since various apparatuses, mechanisms, etc. which avoid the tooth | gear part defect | deletion in another field | area are open | released, the content is demonstrated as literature.

For example, there is a “power transmission device” disclosed in JP 2010-151150 (Reference 2). According to the present invention, a spring worm gear is provided to eliminate the loss of the tooth portion of the arm gear from the impact applied to the clamp arm. However, the present invention is a shock absorbing mechanism that operates only when a load is applied in the direction opposite to the rotation direction of the crank arm, and a limit is felt in the directionality of the load. Further, there is a “drum type washing machine” disclosed in Japanese Patent Application Laid-Open No. 2009-95587 (Reference 3). An object of the present invention is to support a washing tub with an anti-vibration damper and a spring to prevent vibration and resonance. Therefore, there is no direct relationship with the tooth loss.
Furthermore, there is a “shock absorber” disclosed in Japanese Patent Application Laid-Open No. 2010-101450 (Reference 4). In the present invention, a spring (shock absorber) is interposed between the tubular body (pile) and the rod-like body supported by the pile (building foundation), so that the ground vibration is not exerted on the foundation. Seismic isolation structure. Similar to the document (3), there is no direct relationship with the tooth loss.

JP2007-321634 JP 2010-151150 A JP2009-95587A JP 2010-101450 A

  In the literature (1) described above, the crank mechanism is not provided with a shock absorber. Therefore, when the anti-frost fan receives a gust of wind or an impact (such as wind) and makes a shocking swing (blind movement), this blind movement is detected as defrost fan → shaft → drive side crank → crank arm → following. It is conceivable that the side crank → shaft → multiple gears (deceleration mechanism) is reached, and the tooth portion of this gear is lost. And in literature (2), it is a buffer mechanism which acts only when a load is applied in the direction opposite to the rotation direction of the crank arm, and is not sufficient. Reference (3) has different purposes for preventing vibration and resonance. Furthermore, document (4) is a seismic isolation structure, and the object of impact is different.

  Therefore, the means composed of the damping mechanism and the buffer mechanism proposed by the present invention is adopted in the field of the swing mechanism of the blower (the crank mechanism for swinging the blower). For example, when this interlocking mechanism receives an impact The purpose is to eliminate the tooth defects in the machine, or to eliminate the effects of repairs caused by these tooth defects when the work machine is installed at a high place or in a narrow place. To do. In addition, the present invention proposes a means comprising a damping mechanism and a buffer mechanism proposed in the defrost fan, for example, to eliminate the loss of teeth when the defrost fan receives an impact, or It is intended to eliminate the negative effects of repairs caused by the missing teeth.

  According to the first aspect of the present invention, the means comprising the proposed damping mechanism and shock absorbing mechanism are installed in the blower, so that the loss of the tooth portion when the swinging member receives an impact is eliminated, or the blower is In the case of installation at a high place or in a confined place, it is intended to eliminate the harmful effects of repairs caused by this missing tooth. The invention of claim 1 is intended to provide a means comprising the damping mechanism and the buffer mechanism at a low cost, and to simplify the structure and maintenance.

The first aspect of the present invention comprises a support member, a mounting cylinder provided in the building pillar structure, a mounting base provided in the mounting cylinder, a speed reduction mechanism and an interlocking mechanism built in the mounting base, and a neck provided in the interlocking mechanism. A swing mechanism of a blower composed of a swinging base and a defrosting fan or a fan,
This is a blower head swing mechanism in which the arm member of the interlocking mechanism is provided with a spring, a vibration-proof rubber, a damping mechanism made of an active spring or an active vibration-proof rubber, or a buffer mechanism.

  The invention of claim 2 achieves the intention of claim 1 and proposes an optimum speed reduction mechanism (mechanism such as a first gear to an n-th gear) in order to achieve the intention.

Claim 2 is the swing mechanism of the blower according to claim 1,
The speed reduction mechanism built in the mounting base includes a first gear meshing with a gear of an output shaft of a motor provided in the mounting cylinder, a second gear to an nth gear meshing with the first gear, and the nth gear. A blower swing mechanism comprising a movable shaft that supports and supports a pedestal pivotally supported by the mounting base.

  The invention of claim 3 achieves the intention of claim 1 and proposes means comprising a damping mechanism and a buffer mechanism that are optimal and practical for achieving this intention.

Claim 3 is the swing mechanism of the blower according to claim 1,
The arm member of the interlocking mechanism is composed of one arm and the other arm, and between this one arm and the other arm, a spring, a vibration isolating rubber, an active spring, or an active vibration isolating. This is a swing mechanism of a blower configured to have a damping mechanism made of rubber and a buffer mechanism.

  The inventions of claims 4 and 5 achieve the intent of claim 1 and a damping mechanism that is optimal for achieving the intent and is excellent in durability and dust resistance (by the cylinder and the cover). A means comprising a buffer mechanism is proposed.

Claim 4 is the swing mechanism of the blower according to claim 3,
The active spring is a blower swinging mechanism in which a rigid member made of a cylinder and a frame is fitted on the outside of the spring.

Claim 5 is the blower swing mechanism of claim 1,
The active vibration isolating rubber has a structure in which a rigid member made of a cylinder or a frame is fitted on the outside of the vibration isolating rubber, or a structure in which auxiliary means made of a spring and an elastic body are embedded in the vibration isolating rubber. This is a swing mechanism of the blower.

According to the first aspect of the present invention, there is provided a support member, a mounting cylinder provided in the building pillar structure, a mounting base provided in the mounting cylinder, a speed reduction mechanism incorporated in the mounting base, a linkage mechanism, and a swing provided in the linkage mechanism. A blower swing mechanism composed of a pedestal and a defrost fan, or a fan,
This is a blower head swinging mechanism in which the arm member of the interlocking mechanism is provided with a spring, a vibration isolating rubber, a damping mechanism made of an active spring or an active vibration isolating rubber, or a shock absorbing mechanism.

  Accordingly, in claim 1, by installing the proposed damping mechanism and buffer mechanism on the blower, it is possible to eliminate the loss of the tooth portion when the swinging member receives an impact, or In the case of installation in a high place or in a confined place, there is a feature that it is possible to eliminate the adverse effects of repairs caused by the missing teeth. Further, the first aspect has an advantage that the means including the damping mechanism and the buffer mechanism can be provided at low cost and the structure and maintenance can be simplified.

Invention of Claim 2 is the swing mechanism of the air blower of Claim 1,
The speed reduction mechanism built in the mounting base supports the first gear meshing with the gear of the output shaft of the motor provided in the mounting cylinder, the second gear to the nth gear meshing with the first gear, and the nth gear. And a swing shaft of the blower configured by a movable shaft that supports a pedestal pivotally supported by a mounting base.

  Therefore, the invention of claim 2 is characterized in that the intention of claim 1 can be achieved and an optimum speed reduction mechanism (mechanism such as the first gear to the n-th gear) can be proposed to achieve this intention.

Invention of Claim 3 is the swing mechanism of the air blower of Claim 1,
The arm member of the interlocking mechanism is composed of one arm and the other arm, and between one arm and the other arm is a spring or vibration isolator, or an active spring or active vibration isolator rubber. The swing mechanism of the blower is configured to include a damping mechanism and a buffer mechanism.

  Accordingly, the third aspect has the feature that the intention of the first aspect can be achieved, and a means comprising a damping mechanism and a buffering mechanism that are optimal and can be practically used to achieve the intention.

Invention of Claim 4 is the swing mechanism of the air blower of Claim 3, Comprising:
The active spring is a swing mechanism of a blower configured such that a rigid member made of a cylindrical body and a frame body is fitted on the outside of the spring.

The invention according to claim 5 is the swing mechanism of the blower according to claim 1,
The active vibration isolating rubber has a structure in which a rigid member made of a cylinder or a frame is fitted on the outside of the vibration isolating rubber, or a structure in which auxiliary means made of a spring and an elastic body are embedded in the vibration isolating rubber. This is a swing mechanism.

  Therefore, the inventions of claims 4 and 5 can achieve the intent of claim 1, and are the optimum damping mechanism that achieves the intent and has excellent durability and dust resistance (by the cylinder and the cover). There is a feature that can propose means comprising a buffer mechanism.

Side view of a partial defect of the first embodiment in which a means comprising a spring damping mechanism and a buffer mechanism is mounted on the defrost fan device. Plan view of a partial defect of the first embodiment of the defrosting fan device Partially omitted enlarged sectional view showing a first embodiment of the structure of the decelerating mechanism and the crank mechanism as well as the damping mechanism and the buffer mechanism of the defrosting fan device Enlarged sectional view showing the first embodiment of the structure of the decelerating mechanism and the crank mechanism, the damping mechanism and the buffer mechanism of the defrosting fan device An enlarged plan view showing the first embodiment of the structure of the means comprising the damping mechanism and the buffer mechanism of the defrost fan device AA sectional view of FIG. In the defrosting fan device, the crank on the drive side of the crank mechanism is directed to one side (upper side in the drawing) of the mounting base, so that the fan is positioned in the longitudinal direction of the mounting base. Schematic diagram showing an example In the defrosting fan device, the first member on the driving side of the interlocking mechanism is directed to the front end (right side in the drawing) of the mounting base, so that the fan is on the right side (on the drawing in the longitudinal direction of the mounting base). The schematic plan view showing the first embodiment in the state of being located on the lower side) In the defrosting fan device, the first member on the driving side of the interlocking mechanism is directed to the other in the short side direction of the mounting base (lower side in the drawing), so that the fan is positioned in the longitudinal direction of the mounting base. Plane schematic diagram showing the first embodiment of the state In the defrosting fan device, the first member on the driving side of the crank mechanism is directed to the rear end (left side in the drawing) of the mounting base, so that the fan is on the left side (drawing in the longitudinal direction of the mounting base). A schematic plan view showing the first embodiment in a state of being located on the upper side) Plan view of a partial defect of the second embodiment in which a means comprising an active spring damping mechanism and a buffer mechanism is mounted on the defrost fan device. Enlarged sectional view showing a second embodiment of the structure of a decelerating mechanism and interlocking mechanism, a damping mechanism, and a buffer mechanism of the defrosting fan device Enlarged plan view showing a second embodiment of the structure of the means comprising the damping mechanism and buffer mechanism of the defrost fan device Enlarged side view showing a second embodiment of the structure of means comprising a damping mechanism and a buffer mechanism of the defrost fan device CC sectional drawing of the principal part of FIG. 8-2. 8-1 sectional view of FIG. FIG. 6 is an enlarged front view of the structure of the damping mechanism and buffer mechanism of the second embodiment shown in FIG. FIG. 6 is an enlarged front view of the structure of another damping mechanism and buffer mechanism of the second embodiment shown in FIG. A plan view of a partial defect of the third embodiment in which the anti-vibration fan device is equipped with a damping rubber damping mechanism and a buffer mechanism. Enlarged sectional view showing a third embodiment of the structure of the decelerating mechanism and the crank mechanism as well as the damping mechanism and the buffer mechanism of the defrosting fan device An enlarged plan view showing a third embodiment of the structure of the means comprising the damping mechanism and the buffer mechanism of the defrost fan device DD sectional view of FIG. In the defrosting fan device, the first member on the driving side of the interlocking mechanism is directed to one side in the lateral direction of the mounting base (upper side in the drawing), so that the fan is positioned toward the longitudinal direction of the mounting base. Schematic plan view showing the third embodiment of the present invention In the defrosting fan device, the first member on the driving side of the interlocking mechanism is directed to the front end (right side in the drawing) of the mounting base, so that the fan is on the right side (on the drawing in the longitudinal direction of the mounting base). The schematic plan view showing the third embodiment in a state of being located on the lower side) In the defrosting fan device, the first member on the driving side of the interlocking mechanism is directed to the other in the short side direction of the mounting base (lower side in the drawing), so that the fan is positioned in the longitudinal direction of the mounting base. Plane schematic diagram showing the third embodiment of the state In the defrosting fan device, the first member on the driving side of the interlocking mechanism is directed to the rear end (left side in the drawing) of the mounting base, so that the fan is on the left side (drawing in the longitudinal direction of the mounting base). A schematic plan view showing the third embodiment in the state of being located on the upper side) Plan view of a partial defect of the fourth embodiment in which the anti-vibration rubber device is provided with a damping mechanism and a buffer mechanism. Partially omitted enlarged sectional view showing a third embodiment of the structure of a decelerating mechanism and interlocking mechanism, a damping mechanism, and a buffer mechanism of a defrosting fan device Enlarged plan view showing the fourth embodiment of the structure of the means comprising the damping mechanism and buffer mechanism of the defrost fan device Enlarged side view showing the fourth embodiment of the structure of the means comprising the damping mechanism and the buffer mechanism of the defrosting fan device FF sectional drawing of the principal part of FIG. 18-2. EE sectional view of FIG. FIG. 15 is an enlarged front view of the structure of the damping mechanism and buffer mechanism of the third embodiment shown in FIG. FIG. 15 is an enlarged front view of the structure of another damping mechanism and shock absorbing mechanism of the third embodiment shown in FIG. Side view of fan device partially missing

  In the anti-frost fan device A shown in FIGS. 1 to 21, a mounting cylinder 1 having a cylindrical shape with a ceiling fitted on a building pillar B (support material), and a building pillar B provided on the mounting cylinder 1. An interlocking mechanism including a fastening screw 2 that is fastened to the mounting base, a mounting base 3 having a substantially ship shape provided in the mounting cylinder 1, a speed reduction mechanism C built in the mounting base 3, a damping mechanism, and a means E including a buffering mechanism. D, a frame 6 for the defrost fan 5 provided on the movable shaft 4 (turning within a certain range) of the interlock mechanism D, and a motor 7 for driving the defrost fan 5 provided on the frame 6 are supported. The motor base 8 is used.

  The reduction mechanism C includes a motor 10 housed in the mounting cylinder 1, an output shaft 11 of the motor 10, a first gear 12 that meshes with a gear 1100 of the output shaft 11, and a mesh with the first gear 12. The second gear 13 to the n-th gear 15 are configured to decelerate the rotation of the motor 10. The speed reduction mechanism C is provided in a casing 16 provided on the mounting base 3. In the figure, 17 denotes a bearing, and 18 denotes a gear support rod (support shaft).

  The interlocking mechanism D includes a rotary shaft 20 that supports the n-th gear 15, a drive-side first member 21 that is fixed to the rotary shaft 20 and that rotates 360 ° in the horizontal direction X, and a drive-side first member 21. An arm member 29 (means E comprising a damping mechanism and a buffer mechanism) that pivotally supports the base end 2901 at the distal end 2100 of one member 21, and a second member on the driven side that is pivotally supported by the connecting end 2900 of the arm member 29 22 and a movable shaft 4 having a lower end secured to the distal end 2200 (base end) of the second member 22 on the driven side and an upper portion penetrating above the mounting base 3. The distal end 2200 of the second member 22 on the driven side is structured to be fixed to the movable shaft 4 that is pivotally supported and penetrated through a bearing (not shown) on the mounting base 3. It reciprocates by a predetermined angle in the horizontal direction. The axis Y of the reciprocating motion is the position of the axis 400 of the movable shaft 4 (becomes a fulcrum). Accordingly, the first member 21 on the driving side is rotated by the rotation of the rotating shaft 20 of the speed reduction mechanism C, and the arm member 29 moves forward and backward (moves in the left-right direction in FIGS. 3A and 3B). As the arm member 29 moves forward and backward (reciprocating), the second member 22 on the driven side reciprocates at a predetermined angle in the horizontal direction. The reciprocating motion of the second member 22 on the driven side moves (rotates) the movable shaft 4 penetrating the mounting base 3, and is transmitted to the cap 25 screwed to the movable shaft 4. Then, it is transmitted to the gantry 6 supported on the cap 25. Therefore, the movement of the movable shaft 4 is transmitted from the cap 25 to the gantry 6 and the gantry 6 turns (swings). The forward and backward movement of the arm member 29 is the swinging operation of the defrosting fan 5 as shown in FIGS. In the figure, reference numeral 26 denotes a seal provided between the upper outer ring side (not shown) of the cap 25 and the mounting base 3.

  The arm member 29 is shown, for example, in the first embodiment shown in FIGS. 1 to 5-4, the second embodiment shown in FIGS. 6 to 11, and FIGS. 12 to 15-4. The third embodiment and the fourth embodiment shown in FIGS. The first embodiment is an arm member 29 provided with a spring 30 and has a structure in which the spring 30 is provided between one arm 29a and the other arm 29b. Further, the second embodiment is similar to the first embodiment in the structure of the active spring 30a provided with the rigid cylindrical body 33, or the rigid sheath tube 35 (slit sheath tube 35, mating saddle-shaped sheath tube 35). This is a structure of an active spring 30a provided with a rigid member made of a frame such as a frame. The third embodiment is an arm member 29 provided with a vibration isolating rubber 36, and has a structure in which the vibration isolating rubber 36 is provided between one arm 29a and the other arm 29b. Further, the fourth embodiment is the structure of the active vibration isolating rubber 36a provided with the rigid cylinder 33 or the structure of the active vibration isolating rubber 36a provided with the rigid sheath pipe 35 in the third embodiment. . A preferable example of the position where the spring 30 or the vibration isolating rubber 36 is provided is the center of one arm 29a and the other arm 29b. Thereby, for example, a load is equally applied to the one arm 29a and the other arm 29b, which is preferable. The cylindrical body 33 and the sheath tube 35 are not shown in the drawings, but are shown in an example in which they are engaged with one arm 29a and the other arm 29b via an auxiliary member 34 such as a flange. Examples of locking to the seating surface are preferred examples. It is also possible to make it detachable. The spring 30 and the vibration isolating rubber 36 have a structure having sufficient rigidity and transmission force to transmit the movement of the first member 21 on the driving side to the second member 22 on the driven side.

  A mounting hole 37 is provided at the free end 29a1 of the one arm 29a (the base end 2901 of the arm member 29), and the free end 29a1 is a stopper 38 inserted from the mounting hole 37. It is connected with the front end 2100 of the first member 21 on the side. The free end 29b1 of the other arm 29b (the connecting end 2900 of the arm member 29) is provided with a mounting hole 40, and the free end (no symbol) of the stopper 41 inserted through the mounting hole 40 is The second end member 22 on the driven side is connected to the connecting end 2201.

  Since the arm member 29, the first member 21 on the driving side, and the second member 22 on the driven side have the above-described structure, they have the following characteristics. That is, when there is an impact on the defrosting fan 5 (fan 50 described later) (not relevant when the defrosting fan 5 is stopped or movable. However, the relationship between the direction of the defrosting fan 5 and the direction of the wind) The impact is transmitted to the gantry 6 → the movable shaft 4 → the second member 22 on the driven side → the other arm 29b. The other arm 29b is transmitted via the spring 30. Since it is connected to one arm 29a, the spring 30, the vibration isolating rubber 36 and the like are bent to alleviate the impact. Therefore, this impact is not transmitted to the first member 21 on the driving side. Thereby, the impact applied to the first gear 12 to the nth gear 15 of the speed reduction mechanism C is absorbed or alleviated, and the loss of the tooth portion applied to any of the first gear 12 to the nth gear 15 can be avoided. . At the same time, the shock absorption or mitigation by the spring 30, the anti-vibration rubber 36, etc. is achieved and the gantry 6, the anti-frost fan 5, the fan 50, etc. are movable, so that the anti-frost fan 5, the fan 50, etc. On the other hand, for example, when there is an impact in the swing direction, a structure capable of absorbing or mitigating the impact on the gantry 6, the defrosting fan 5, the motor 7, etc. (the entire failure of the blower) and restoring the original shape. (The same applies to the other embodiments). In particular, the frost-proof fan device has a feature that it is possible to eliminate work at a high place to restore the original state.

  In the structure of the active spring 30a and the active vibration isolating rubber 36a, the bending of the spring 30 and the anti vibration isolating rubber 36 is guarded, and the fatigue of the spring 30 and the anti vibration isolating rubber 36 is eliminated or the durability is improved and returned. To speed up the process.

  A saddle-shaped motor base 8 is provided on the gantry 6 so as to freely adjust the depression angle. In this example, the depression angle adjustment is performed by a curved long groove 44 and a fixing hole 45 provided in the motor base 8, The long groove 44 and the stoppers 46 and 47 inserted into the hole 45 are configured. Accordingly, the stopper 46 and / or the stopper 47 is screwed back, the stopper 47 is used as a fulcrum, the stopper 46 is moved to an appropriate position along the long groove 44, and the motor base 8 is adjusted to a predetermined angle. After that, the stopper 46 and / or the stopper 47 is screwed and fixed to the motor base 8 so that the depression angle can be adjusted.

  Next, the swinging state of the defrosting fan 5 will be described with reference to FIGS. First, the basic swinging operation will be described. As the motor 10 rotates, power is transmitted to the speed reduction mechanism C. The rotating shaft 20 is rotated by this power, and the first member 21 on the driving side similarly rotates 360 ° through this rotation. In this rotation, the arm member 29 (means E comprising a damping mechanism and a buffer mechanism) moves forward and backward in the horizontal direction X (for example, moves F in the left-right direction in FIGS. 3A and 3B). . With this movement F, the second member 22 on the driven side pivotally attached to the connecting end 2900 of the arm member 29 is moved forward and backward (movable) (the structure of forward and backward movement will be described later). By the forward and backward movement of the second member 22 on the driven side, the gantry 6 swings within a predetermined range, and this swinging is the swinging state of the anti-frost fan 5. Then, the forward and backward movement of the second member 22 on the driven side is such that the tip 2200 of the second member 22 on the driven side is pivotally attached to the movable shaft 4 pivotally attached to the mount 3, and The connection end 2201 of the second member 22 is pivotally attached to the connection end 2900 of the arm member 29 that moves forward and backward. That is, as the arm member 29 moves forward and backward, the base end 2200 of the second member 22 on the driven side only rotates (returns) with the movable shaft 4 as a fulcrum, and the movement F in the horizontal direction X is Can not. Accordingly, the second member 22 on the driven side rotates with the movable shaft 4 as a fulcrum. With this rotation, the connecting end 2201 of the second member 22 on the driven side moves forward and backward (moves F in the horizontal direction X). Note that the connecting end 2900 of the arm member 29 and the connecting end 2201 of the second member 22 on the driven side are substantially square-shaped in plan view with the frost-proof fan 5 positioned at the center Z in the longitudinal direction. (As shown in FIGS. 5A and 5C, in the schematic plan view, the base member 2901 of the arm member 29 is inclined upward from the base end 2901 to the connecting end 2900 with reference to the longitudinal center Z. The second member 22 on the driven side is in the vertical direction with respect to the center Z).

  FIG. 5A shows a first state in which the tip 2100 of the first member 21 on the driving side is located at a right angle above the center Z in the longitudinal direction. The distal end 2100 of the first member 21 (the base end 2901 of the arm member 29) is in a state of being abutted upward with respect to the longitudinal center Z, and the distal end 2200 of the second member 22 on the driven side is also It is the same state. In this first state, the defrost fan 5 is at the center Z in the longitudinal direction. And it shifts from this first state to the second state. At this time, one arm 29a presses the other arm 29b via the spring force of the spring 30, so that this arm member 29 becomes Move F to the right. In the second state, the tip 2100 of the first member 21 on the driving side is the center Z position in the longitudinal direction and is substantially the center on the right side as viewed in the drawing. Z. As the tip 2100 rotates to the right (clockwise), the connection end 2201 of the second member 22 on the driven side is also the same as the base end 2901 of the arm member 29 with reference to the center Z in the longitudinal direction. It becomes the 2nd state which competed upwards. In this second state, the frost-proof fan 5 is located below with respect to the center Z in the longitudinal direction. And it shifts from this second state to the third state. In this third state, the state shown in FIG. 5-3, the tip 2100 of the first member 21 on the driving side is the center in the longitudinal direction. The base end 2901 of this arm member 29 returns in a state where it is positioned at a right angle in the right direction with respect to Z as a reference, and is in a state of a right angle with respect to the center Z in the longitudinal direction as a reference. The second member 22 on the side is substantially in opposition to the first member 21 on the drive side. And in this 3rd state, the defrost fan 5 is the state which returned to the center Z of the longitudinal direction, and the direction of the 1st member 21 of a drive side is the direction of the 1st member 21 of the drive side in a 1st state The direction is almost opposite to the direction. Thereafter, the third state shifts to the fourth state. At this time, the arm member 29 moves F in the left direction. And in this 4th state, it is the state shown to FIGS. 5-4, Comprising: It is the 4th state which the front-end | tip 2100 of the 1st member 21 of the drive side returned to the center Z of a longitudinal direction, Comprising: This drive side The distal end 2100 of the first member 21 is positioned at the center Z in the longitudinal direction (left side), and the second member 22 on the driven side is inclined upward with respect to the center Z in the longitudinal direction. In this state, the connection end 2201 is displaced to the left in the drawing although it is in a state substantially opposite to the second state. Further, in the fourth state, the connecting end 2201 of the second member 22 on the driven side (the connecting end 2900 of the arm member 29) is in a state of being abutted upward with respect to the center Z in the longitudinal direction. In the fourth state, the frost-proof fan 5 is located above the center Z in the longitudinal direction. In any state, the connecting end 2201 of the second member 22 on the driven side is structured to rotate at a fixed position (with the movable shaft 4 as an axis).

  FIG. 22 shows another embodiment, and a depression angle adjusting base 52 (motor base) is pivotally attached to a plate-like or stand-type mount 6 via a stopper 51. The depression angle adjustment base 52 can be adjusted to the depression angle 6 on the gantry 6. In the figure, 50 indicates a fan, 53 indicates a guard, and 54 indicates a motor. Note that the structure, operation, effect, and the like are the same as in the above-described embodiment.

1 Mounting cylinder
2 Screws
3 Mounting base
4 Movable shaft
400 shaft core
5 Anti-frost fan
6 frame
7 Motor
8 Motor base
10 Motor
11 Output shaft
1100 ga
12 First gear
13 Second gear
15 nth gear
16 Casing
17 Bearing
18 Supporting cage
20 Rotating shaft
21 First member on the drive side
2100 Tip
22 Second member on the driven side
2200 tip
2201 Connection end
25 cap
26 Seal
29 Arm member
2900 Connecting end
2901 Base
29a One arm
29a1 Free end
29b The other arm
29b1 free end
30 Spring
30a Active spring
33 cylinder
34 Auxiliary members
35 sheath tube
36 Anti-vibration rubber
36a Active anti-vibration rubber
37 Mounting hole
38 Stopper
40 Mounting hole
41 Stopper
44 Long groove
45 holes
46 Stopper
47 Stopper
50 fans
51 Stopper
52 Angle adjustment base
53 Guard
54 Motor
A Defrosting fan device
B building pillar
C Deceleration mechanism
D interlocking mechanism
E Means consisting of damping mechanism and buffer mechanism
F Move
X Horizontal direction
Y axis
Z Longitudinal center

Claims (5)

A support cylinder, a mounting cylinder provided in the building pillar structure, a mounting base provided in the mounting cylinder, a speed reduction mechanism incorporated in the mounting base, a interlocking mechanism, and a swinging base provided in the interlocking mechanism; , A defrosting fan, or a fan swing mechanism composed of a fan,
A blower swinging mechanism in which the arm member of the interlocking mechanism is provided with a spring, a vibration isolating rubber, a damping mechanism made of an active spring or an active vibration isolating rubber, or a shock absorbing mechanism. It is a swing mechanism of the blower according to claim 1,
The speed reduction mechanism built in the mounting base includes a first gear meshing with a gear of an output shaft of a motor provided in the mounting cylinder, a second gear to an nth gear meshing with the first gear, and the nth gear. A blower swing mechanism comprising: a movable shaft that supports and supports a pedestal supported by the mounting base. It is a swing mechanism of the blower according to claim 1,
The arm member of the interlocking mechanism is composed of one arm and the other arm, and between this one arm and the other arm, a spring, a vibration isolating rubber, an active spring, or an active vibration isolating. A blower swing mechanism that is provided with a rubber damping mechanism and a buffer mechanism. The swing mechanism of the blower according to claim 3,
The active spring is a blower swing mechanism in which a rigid member made of a cylinder and a frame is fitted on the outside of the spring. It is a swing mechanism of the blower according to claim 1,
The active vibration isolating rubber has a structure in which a rigid member made of a cylinder or a frame is fitted on the outside of the vibration isolating rubber, or a structure in which auxiliary means made of a spring and an elastic body are embedded in the vibration isolating rubber. Blower swing mechanism.

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