TWI402429B - Shock absorber - Google Patents

Description

Shock absorption fan

The invention relates to a fan, in particular to a shock absorbing fan

Existing fans are limited by factors such as manufacturing accuracy, assembly error, rotational speed, and load, and are often accompanied by vibrations that cause noise during operation.

Referring to Fig. 1, in order to improve the noise generated by the vibration, the related art has developed a technique disclosed in the U.S. Patent No. 7,819,053, which is improved by using a setting frame 2 to surround a fan 1 while being made of an elastic material. The formed film 3 is connected between the mounting frame 2 and the fan 1. The fan 1 includes a housing 11 and a fan wheel 12 pivotally mounted in the housing 11 and the housing A coupling member 13 is protruded from the outer periphery of the mounting frame 2, and the opposite side edges of the film 3 are formed with a latching groove 31 that cooperates with the two coupling members 13. In combination with the two coupling members 13, the film 3 is attached to the inner periphery of the mounting frame 2 and the outer periphery of the housing 11 to absorb the vibration of the housing 11 to avoid noise.

The film 3 attached to the outer periphery of the mounting frame 2 and the outer periphery of the housing 11 can absorb the vibration of the housing 11 to avoid noise, but still has the following disadvantages to be improved:

1. Inconvenient assembly: Since the two coupling members 13 are respectively disposed around the outer circumference of the housing 11 and the inner circumference of the mounting frame 14, the opposite two grooves 31 are formed on the opposite sides of the film 3 In the assembly, it is difficult to align the relative positions of the engaging groove 31 and the corresponding coupling member 13 during assembly, which is inconvenient in assembly, and further, the two card grooves 31 need to be completely engaged with the two coupling members 13 in assembly. More time consuming.

2. High maintenance cost: Under the influence of long-term absorption vibration and environmental factors, the film 3 may crack or even be damaged in a small place. At this time, the film 3 must be replaced as a whole to maintain absorption vibration and reduce noise. The effect, therefore replacing the film 3 is undoubtedly an increase in maintenance costs.

Accordingly, it is an object of the present invention to provide a shock absorbing fan that can be easily assembled and conveniently maintained.

Therefore, the shock absorbing fan of the present invention comprises a housing, a fan wheel pivoted in the housing, an outer frame spaced around the outer periphery of the housing, and a correspondingly disposed on the housing and the outer frame And a combination unit, and a shock absorbing unit for connecting the housing and the outer frame.

The bonding unit includes a plurality of first bonding members spaced apart from the top edge of the outer frame, a plurality of second bonding members spaced apart from the bottom edge of the outer frame, and a plurality of positioning members spaced apart from the outer periphery of the housing.

The shock absorbing unit includes a plurality of first shock absorbing members detachably connected to the corresponding first joint members, and a plurality of second shock absorbing members detachably connected to the corresponding second joint members, wherein The first and second shock absorbing members are all made of an elastic material, and each of the first shock absorbing members has two first joint portions respectively connected to the corresponding first joint members, and one integrally connects the two a first joint portion and a first joint portion positioned on the corresponding positioning member, and each of the second shock absorber members has two second joint portions respectively connected to the corresponding second joint members, and integrally connected to the second joint portion And a second joint portion and a second connecting portion positioned on the corresponding positioning member.

The effect of the invention is that the first and second shock absorbing members are respectively detachably connected to the corresponding first and second coupling members, and are positioned on the corresponding positioning members, which can not only absorb the housing due to the fan The vibration caused by the rotation of the wheel can effectively reduce the noise, and it is also convenient for assembly. It can also be repaired and replaced individually, effectively reducing the maintenance cost and avoiding waste of resources.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to FIG. 2, a preferred embodiment of the shock absorbing fan 4 of the present invention comprises a housing 41, a fan wheel 42 pivoted in the housing 41, and an outer frame 43 spaced around the outer periphery of the housing 41. A coupling unit 44 disposed on the housing 41 and the outer frame 43 and a shock absorbing unit 45 for connecting the housing 41 and the outer frame 43.

Referring to FIGS. 2 and 3, the bonding unit 44 includes a plurality of first bonding members 441 spaced apart from the top edge of the outer frame 43, a plurality of second bonding members 442 spaced apart from the bottom edge of the outer frame 43, and a plurality of intervals. a positioning member 443 disposed on the outer periphery of the housing 41, and each positioning member 443 has an upper positioning groove 444 facing the top edge of the outer frame 43, and a lower positioning groove facing the bottom edge of the outer frame 43 445.

2, 3, 4, the shock absorbing unit 45 includes a plurality of first shock absorbing members 451 detachably connected to the corresponding first coupling members 441, and a plurality of detachably connected to the corresponding second combination The second shock absorbing member 452 on the member 442, wherein the first and second shock absorbing members 451, 452 are all made of an elastic material. In the preferred embodiment, the first and second shock absorbing members 451, 452 are all made of rubber.

Each of the first shock absorbing members 451 has two first joint portions 453 respectively connected to the corresponding first joint members 441, and one of the first joint portions 453 is integrally connected to the corresponding positioning members. a first connecting portion 454 on the 443; and each of the second shock absorbing members 452 has two second joint portions 455 respectively connected to the corresponding second joint members 442, and integrally connected to the second joint portions 455 The second connecting portion 456 is positioned on the corresponding positioning member 443.

The first connecting portion 454 of each first shock absorbing member 451 is disposed in the lower positioning groove 445 of the corresponding positioning member 443, and the second connecting portion 456 of each second shock absorbing member 452 is worn. It is located in the upper positioning groove 444 of the corresponding positioning member 443.

In the preferred embodiment, the first and second coupling members 441 and 442 of the coupling unit 44 are protrusions, and the first joint portion 453 of the first shock absorber 451 and the second shock absorber 452 are The second joint portion 455 is a sleeve that is sleeved on each of the first and second joint members 441 and 442, and the first joint portion 454 of each first shock absorber 451 and the second shock absorber 452 The two connecting portions 456 are respectively positioned on different positioning members 443.

When the housing 41 is violently shaken or deflected due to the operation of the fan wheel 42, the first and second connecting portions 454, 456 located between the outer frame 43 and the housing 41 can effectively absorb the lateral impact of the housing 41. The impact force of the outer frame 43 prevents the housing 41 from laterally striking the outer frame 43; and because the first connecting portion 454 of each first shock absorbing member 451, the second connecting portion 456 with each second shock absorbing member 452 is The lower and upper positioning grooves 445 and 444 are respectively disposed in the corresponding positioning members 443. Therefore, the shells can be absorbed by the relative elastic force generated by the first and second shock absorbing members 451 and 452. The seat 41 may vibrate up and down with respect to the outer frame 43.

Therefore, the first and second shock absorbing members 451 and 452 made of an elastic material can absorb the vibration caused by the rotation of the housing 41 when the shock absorbing fan 4 is operated, thereby effectively reducing the vibration. The noise generated.

Moreover, when one of the first shock absorbing members 451 or the second shock absorbing members 452 is broken or damaged, the shock absorbing unit 45 can be restored only by replacing the broken or damaged first shock absorbing member 451 or the second shock absorbing member 452. Absorbing the effect of the housing 41 due to the vibration caused by the rotation of the fan wheel 42, effectively reducing maintenance costs and avoiding waste of resources.

With the above design, the shock absorbing fan 4 of the present invention has the following advantages in actual use:

1. Convenient assembly: since each of the first and second shock absorbing members 451, 452 is combined with the first and second coupling members 441, 442 and the corresponding positioning member 443, each of the first and second shock absorbing members 451 The 452 can be individually and detachably connected to the housing 41 and the outer frame 43 without being assembled in one position; the combination is combined with the first and second joints of the first and second shock absorbing members 451 and 452, respectively. The first and second coupling members 441 and 442 can improve the convenience and speed of assembly.

2. The maintenance is convenient and the cost is low: the above, since each of the first and second shock absorbing members 451, 452 can individually and detachably connect the housing 41 and the outer frame 43, therefore, any of the first shock absorbing members 451 or When the second shock absorbing member 452 is damaged or broken, only the first shock absorbing member 451 or the second shock absorbing member 452 that has been damaged or broken needs to be replaced, which not only facilitates maintenance but also reduces maintenance cost and avoids resources. waste.

In summary, the shock absorbing fan 4 of the present invention absorbs the vibration caused by the rotation of the housing 41 by the first and second shock absorbing members 451 and 452 made of an elastic material, thereby effectively reducing the vibration. The generated noise; and since each of the first and second shock absorbing members 451, 452 can individually and detachably connect the housing 41 and the outer frame 43, therefore, when any of the first shock absorbing members 451 or the second shock absorbing When the member 452 is damaged or broken, only the first shock absorbing member 451 or the second shock absorbing member 452 that has been damaged or broken may be replaced, which not only facilitates maintenance but also reduces maintenance cost and avoids waste of resources. It is indeed possible to achieve the object of the invention.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

4. . . Shock absorption fan

41. . . Shell

42. . . Fan wheel

43. . . Outer frame

44. . . Binding unit

441. . . First joint

442. . . Second joint

443. . . Positioning member

444. . . Upper positioning slot

445. . . Lower positioning slot

45. . . Shock absorber unit

451. . . First shock absorber

452. . . Second shock absorber

453. . . First joint

454. . . First connection

455. . . Second joint

456. . . Second connection

Figure 1 is a cross-sectional view showing the structure of the fan disclosed in U.S. Patent No. 7,819,053;

Figure 2 is a plan view showing a preferred embodiment of the shock absorbing fan of the present invention;

Figure 3 is a side view, which is an explanatory view of Figure 2;

Figure 4 is a bottom plan view, and Figure 2 is assisted.

4. . . Shock absorption fan

41. . . Shell

43. . . Outer frame

44. . . Binding unit

441. . . First joint

442. . . Second joint

443. . . Positioning member

444. . . Upper positioning slot

445. . . Lower positioning slot

45. . . Shock absorber unit

451. . . First shock absorber

452. . . Second shock absorber

453. . . First joint

454. . . First connection

455. . . Second joint

456. . . Second connection

Claims (3)

A shock absorbing fan comprising: a housing; a wheel pivoted in the housing; an outer frame spaced around the outer periphery of the housing; and a coupling unit including a plurality of spaced apart from the top edge of the housing a first joint member, a plurality of second joint members spaced apart from the bottom edge of the outer frame, and a plurality of positioning members spaced apart from the outer periphery of the shell seat, each of the positioning members having an upper surface facing the top edge of the outer frame a positioning groove, and a lower positioning groove of a bottom edge of the outer frame; and a shock absorbing unit comprising a plurality of first shock absorbing members detachably connected to the corresponding first coupling member, and most of the detachable connection a second shock absorbing member on the second coupling member, wherein the first and second shock absorbing members are made of an elastic material, and each of the first shock absorbing members has two correspondingly connected to the corresponding one a first joint portion on a joint member, and a first joint portion integrally connected to the two first joint portions and positioned on the corresponding positioning member, and each of the second shock absorber members is respectively connected to the phase Corresponding second joint on the second joint, and integral connection a second connecting portion and a second connecting portion positioned on the corresponding positioning member, wherein the first connecting portion of each of the first shock absorbing members and the second connecting portion of each of the second shock absorbing members are respectively positioned at different positions And the first connecting portion of each of the first shock absorbing members is disposed in a lower positioning groove of the corresponding positioning member, and the second connecting portion of each of the second shock absorbing members is disposed to be positioned corresponding to the second connecting portion. The upper positioning groove of the positioning member. The shock absorbing fan of claim 1, wherein the first and second coupling members of the coupling unit are protrusions, and the first joint portion of the first shock absorbing member and the second shock absorbing member are The second joint portion is a collar that is respectively sleeved on each of the first and second joint members. The shock absorbing fan according to claim 1, wherein the first and second shock absorbing members are made of rubber.