Background technology
The existing ornament that snows as shown in Figure 1, comprises snowflake chamber A and supports foot pad 2.The shell 1 of snowflake chamber adopts transparent or trnaslucent materials is made, glass for example, transparent plastic etc.But, general convenience in order to collect, the shell 1 of snowflake chamber and support foot pad adopt the soft transparent material to make (for example PE or PVC), and are provided with inflation inlet 101, to this soft material inflation, expand by air, support formation A space, snowflake chamber.In the indoor setting of snowflake one snowflake guide pipe 5 is arranged, the bottom of snowflake guide pipe 5 has snowflake and enters 502 mouthfuls, and the air outlet of the lower end mouth of snowflake guide pipe and blower fan 3 joins, and is provided with the screen pack 6 of giving vent to anger.The air intake vent of blower fan communicates with the external world, constantly enter in the snowflake guide pipe from extraneous air blast, thereby form negative pressure at snowflake inlet port place, simulation snowflake 4 is inhaled in the snowflake guide pipe from the snowflake porch, and rise to the upper port ejection of snowflake guide pipe with air-flow, and by the snowflake porch of the indoor bottom of snowflake that slowly descends slowly and lightly back, so constantly circulation has formed the similar scene that snow flakes are whirling.And in order to increase decorative effect, at indoor some ornaments of can placing of snowflake, for example Santa Claus, Christmas tree etc.But, there is following defective in such product: it is indoor that (1) constantly enters into snowflake from extraneous air blast because of blower fan, so open aperture 102 on the product transparent outer cover gives vent to anger, otherwise air pressure inside constantly rises, the consequence that initiation can't be worked, but cause the product air pressure inside after the shell perforate, be not enough to support whole casing deadweight and atmospheric pressure, make product appearance not full, influence attractive in appearance; (2) because from extraneous exhausting, it is big that intake is wanted, otherwise the deadweight of soft shell just may make the product atrophy, can't moulding, thereby need the use heavy-duty motor, and cause noise very big, make this Christmas gift can not be placed on indoor use.
Summary of the invention
The purpose of this utility model is to provide a kind of ornament that snows of the gas port that need not to begin to rehearse on the snowflake chamber, to overcome the above-mentioned defective of prior art.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: the described ornaments that snow comprise snowflake chamber A, support foot pad and the blower fan that shell is made by the soft transparent material, the shell of snowflake chamber is provided with inflation inlet, the indoor setting of snowflake has a snowflake guide pipe, the bottom of snowflake guide pipe has the snowflake inlet port, and the lower end mouth of snowflake guide pipe and the air outlet of blower fan join, and the air outlet place of blower fan is provided with the screen pack of giving vent to anger, it is characterized in that: snowflake chamber and ambient atmosphere are isolated mutually, and the air intake vent of blower fan communicates with the snowflake chamber.
As a kind of more excellent scheme, the shell that supports foot pad also is to be made by soft material, and is provided with inflation inlet, the inner cavity that forms behind the feet pad gas, and blower fan is concealed in it.
The novel new design of this use has realized can sealing after the product qi of chong channel ascending adversely, has guaranteed the product air pressure inside, and outward appearance is full enriches that------is attractive in appearance; New design can be used the blower fan that power is less, noise is low (such as the dc low-voltage blower fan) air-supply, and can be installed in product inside, and it is low to have a noise,------the energy-conservation and environmental protection of the advantage of less energy consumption; New design blower fan is low because of noise, and-the scope of application is wide so indoor and outdoors all can use----; The electrical machinery life that newly-designed product uses can reach more than 10000 hours than original large power, electrically captain.
The specific embodiment
Fig. 2 is the same with existing product with the ornaments that snow described in the utility model shown in Figure 3, the support foot pad 2 and the blower fan 3 that comprise snowflake chamber A that shell made by the soft transparent material, make by soft material, the shell 1 of snowflake chamber is provided with inflation inlet 101, inflate in shell 1 by inflation inlet 101, the back of expanding forms the indoor A of snowflake.Erectting in the A of snowflake chamber has a snowflake guide pipe 5, and the lower side of snowflake guide pipe 5 has snowflake inlet port 502, and the air outlet 302 of the lower end mouth of snowflake guide pipe 5 and blower fan 3 joins.Support on the foot pad and also be provided with inflation inlet 201, also form behind the feet pad gas and support foot pad 2.
Be with the difference of existing product: snowflake chamber and ambient atmosphere are isolated mutually, and the air intake vent of blower fan communicates with the snowflake chamber.To describe creation point of the present utility model in detail by two specific embodiments below.
Embodiment 1
As shown in Figure 2, the shell of snowflake chamber 1 is made by transparent soft material, and it is provided with inflation inlet 101, forms snowflake chamber A by this inflation inlet 101 inflation in shell 1.
Erectting in the A of snowflake chamber has a snowflake guide pipe 5 of being made by hard material, and the lower side of snowflake guide pipe 5 has snowflake inlet 502, and the air outlet 302 of the lower end mouth of snowflake guide pipe 5 and blower fan 3 joins.As shown in Figure 4, the lower end inside of snowflake guide pipe 5 is provided with a gas blow pipe 501, the lower end of gas blow pipe 501 is connected with the air outlet of blower fan 302, the air outlet of blower fan is provided with the screen pack 6 of giving vent to anger, foam snowflake 4 is isolated, prevent that the foam snowflake from entering blower fan inside, guarantee the blower fan not stall that runs well like this.The height of the upper end mouth of pipe of gas blow pipe 501 will be higher than the lowest part of snowflake inlet, like this when the blower fan air blast, could form negative pressure at snowflake inlet port place, foam snowflake 4 is inhaled in the snowflake guide pipe 5 from the snowflake porch, and rise to the upper port ejection of snowflake guide pipe with air-flow.
The air intake vent 301 of blower fan is inserted in the A of snowflake chamber, and port is provided with an inlet air filtration net 7 insulation foam snowflakes 4, makes the foam snowflake not be brought into blower fan inside.
Above-mentioned design, blower fan be from snowflake guide pipe 5 air blast in the A of snowflake chamber, and the air intake vent of blower fan exhausting in the A of snowflake chamber, forms the balance of air-out and inlet air, and the air pressure in the A of snowflake chamber remains unchanged, thereby has effectively prevented the defective of existing product.
In addition, support on the foot pad 2 and also be provided with inflation inlet 201, also form behind the feet pad gas and support foot pad 2.Inner cavity----the fan house B that forms behind the feet pad gas, blower fan 3 is concealed in it.
Embodiment 2
As shown in Figure 3, be another embodiment of the present utility model.
The shell 1 of snowflake chamber also is to be made by transparent soft material, and it is provided with inflation inlet 101, forms snowflake chamber A by this inflation inlet 101 inflation in shell 1.
The one snowflake guide pipe of being made by soft material 5 is arranged in the A of snowflake chamber, and its upper end links together with shell 1 top, to erect.The lower side of snowflake guide pipe 5 has snowflake inlet 502, and the air outlet 302 of the lower end mouth of snowflake guide pipe 502 and blower fan 3 joins.As shown in Figure 4, the lower end inside of snowflake guide pipe 502 is provided with a gas blow pipe 501, the lower end of gas blow pipe 501 is connected with the air outlet of blower fan 302, the air outlet of blower fan is provided with the screen pack 6 of giving vent to anger, foam snowflake 4 is isolated, prevent that the foam snowflake from entering blower fan inside, guarantee the blower fan not stall that runs well like this.The height of the upper end mouth of pipe of gas blow pipe 501 will be higher than the lowest part of snowflake inlet, like this when the blower fan air blast, could form negative pressure at snowflake inlet port place, foam snowflake 4 is inhaled in the snowflake guide pipe 5 from the snowflake porch, and rise to the upper port ejection of snowflake guide pipe with air-flow.
Support on the foot pad 2 and also be provided with inflation inlet 201, also form behind the feet pad gas and support foot pad 2.Inner cavity----the fan house B that forms behind the feet pad gas, blower fan 3 is concealed in it.
Design snowflake chamber A and fan house B all isolate mutually with ambient atmosphere, and they both communicate, and open a hole on the shell 1 of snowflake chamber, and snowflake chamber A is communicated with fan house B.They both passages of ventilating mutually are provided with an inlet air filtration net 7, prevent that foam snowflake 4 from entering fan house B from snowflake chamber A.Blower fan is concealed in the fan house B, from snowflake guide pipe 5 air blast in the A of snowflake chamber, and the air intake vent of blower fan exhausting in the fan house B, because snowflake chamber A ventilates mutually with fan house B, form the balance of air-out and inlet air, air pressure in the A of snowflake chamber remains unchanged, thereby has effectively prevented the defective of existing product.