CN203137178U - Protective air cushion of safety helmet - Google Patents
Protective air cushion of safety helmet Download PDFInfo
- Publication number
- CN203137178U CN203137178U CN 201320030658 CN201320030658U CN203137178U CN 203137178 U CN203137178 U CN 203137178U CN 201320030658 CN201320030658 CN 201320030658 CN 201320030658 U CN201320030658 U CN 201320030658U CN 203137178 U CN203137178 U CN 203137178U
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- CN
- China
- Prior art keywords
- air
- valve
- safety cap
- safety helmet
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The utility model discloses a protective air cushion of a safety helmet. The protective air cushion of the safety helmet comprises a safety helmet air bag, an air pump, a one-way air valve and an air deflating device, wherein an air bag hole and a vent hole are formed on the safety helmet air bag, the air pump is communicated with the air bag hole through the one-way air valve, and the air deflating device is installed at the position of the vent hole. Air is filled by the air pump into the safety helmet air bag of the protective air cushion of the safety helmet through the one-way air valve and is deflated from the safety helmet air bag through the air deflating device. A user can adjust air inflating volume of the protective air cushion of the safety helmet according to the safety helmet and the size of the head, and the comfort degree of the safety helmet is improved. In addition, due to the air buffering effect of the protective air cushion, the safety helmet can relieve impact force exerted onto the head of the user subjected to an accident, and the safety degree is improved. The protective air cushion is suitable for the field of helmets and can be also used for the field of protective tools, medical supplies and the like.
Description
Technical field
The utility model relates to a kind of safety cap protection air cushion, belongs to the air cushion technology field.
Background technology
Safety cap plays an important role in daily life as a kind of Safety protector.The neonychium of existing safety cap great majority adopt the plastic layer block structures, and neonychium is put inside at safety cap.Because the characteristic of plastic layer piece, this safety cap neonychium buffer capacity is relatively poor, does not have protective effect, and simultaneously, plastic layer block of material and fixed in shape can not be adjusted as required, have had a strong impact on the comfort level of safety cap.
The utility model content
The utility model provides a kind of safety cap simple in structure, that applicability is good to protect air cushion in order to overcome the deficiency that prior art exists.
The utility model can be achieved by taking following technical scheme: a kind of safety cap protection air cushion; comprise safety cap air bag, air pump, Non-return air valve and means of deflation; have pneumatopyle and steam vent on the described safety cap air bag; described air pump is communicated with pneumatopyle by Non-return air valve, and described means of deflation is installed in the steam vent place.
On the basis of the above, air pump described in the utility model comprises air pump body and movable air valve, described air pump body is provided with air admission hole and air-filled pore, described air-filled pore is connected with Non-return air valve, described movable air valve is installed in the air admission hole, movable air valve is installed in the air admission hole of air pump, and movable air valve is hidden in the main body of air pump, reduced the volume of whole air pump, and made whole air pump profile more attractive in appearance; Simultaneously, movable air valve is directly installed in the air admission hole, has increased the sealing between movable air valve and the air admission hole, has guaranteed the inflation effect of air pump.
In order to increase the air-tightness between movable air valve and the air admission hole, gas can not spill between movable air valve and air admission hole when making air pump to the safety cap airbag aeration, guarantee the inflation effect of air pump, be provided with sealing ring between movable air valve described in the utility model and the air admission hole.
Non-return air valve described in the utility model comprises valve body and spool, described valve body is made of upper valve body and following valve body, described upper valve body comprises upper cover body and last gas column, described valve body down comprises lower cover and following gas column, described upper cover body and lower cover fasten mutually and between forms valve pocket, the described gas column of going up runs through upper cover body and forms protruding hole in the upper cover body bottom, described gas column down runs through lower cover, described spool places in the valve pocket, it comprises the spool body and is arranged on the leg of spool body bottom, described spool body is the boss shape, its upper surface and protruding hole fit, described leg contacts with lower cover, the spool body is designed to boss shape and last gas column runs through upper cover body and fit in the protruding hole that the upper cover body bottom forms, spool withstood on the protruding hole when air pump was air-breathing, guaranteed air-tightness and the one-way of Non-return air valve, also reduce simultaneously the material of spool, saved cost.
The upper surface of the spool body described in the utility model formation groove that caves in, described groove and protruding hole fit spool body and upper cover body are fitted, when air cushion is not inflated, gas atmosphere in the air bag of air cushion is enough to make spool to withstand protruding hole to make the gas in the air bag can not flow backwards out, increased the air-tightness of whole Non-return air valve, also reduce simultaneously the manufactured materials of spool, reduced production cost.
Leg described in the utility model is circle distribution in the bottom of spool body, makes spool can steadily be positioned at valve pocket.
Means of deflation described in the utility model comprises snap-fastener and spring, and the tip of described snap-fastener forms catch, and described snap-fastener is installed in the steam vent place, described catch imbeds in the steam vent, described spring housing is on snap-fastener, and the head of a nail of one end and snap-fastener is fixed, and the other end is supported on the steam vent place.
Safety cap protection air cushion of the present utility model also comprises protective sleeve; described protective sleeve is wrapped in the side edge of air bag; described air pump is positioned at protective sleeve; make pneumatopyle and the steam vent of air pump, Non-return air valve and air bag all be wrapped in the protective sleeve; both protect whole safety cap air cushion structure, increased the aesthetic feeling of product again.
Compared with prior art; the beneficial effects of the utility model are: safety cap protection air cushion of the present utility model is inflated to the safety cap air bag by Non-return air valve by air pump; by means of deflation the safety cap air bag is exitted; the user can regulate the aeration quantity of safety cap protection air cushion according to the size of safety cap and own head; improved the comfort level of safety cap; simultaneously; because the gas buffer effect of protection air cushion; the user is when having an accident; safety cap can be alleviated impulsive force to user's head, has improved degree of safety.Protection air cushion of the present utility model not only is used for helmet field, can also be used for fields such as protector and medical supplies.
Description of drawings
Fig. 1 is the structural representation of safety cap protection air cushion of the present utility model.
Fig. 2 is another structural representation of safety cap protection air cushion of the present utility model.
Fig. 3 is the structural representation of air pump of the present utility model.
Fig. 4 is the STRUCTURE DECOMPOSITION figure of the air pump among Fig. 3.
Fig. 5 is the structure chart of sealing ring of the present utility model.
Fig. 6 is the structural representation of Non-return air valve of the present utility model.
Fig. 7 is the structural representation of the spool among Fig. 6.
Fig. 8 is the structural representation of means of deflation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing preferred forms of the present utility model is described in detail.
As Fig. 1; shown in Figure 2; safety cap protection air cushion of the present utility model; comprise safety cap air bag 1; air pump 2; Non-return air valve 3; means of deflation 4 and protective sleeve 5; have pneumatopyle 11 and steam vent 12 on the described safety cap air bag 1; described air pump 2 is communicated with pneumatopyle 11 by Non-return air valve 3; described means of deflation 4 is installed in steam vent 12 places; by air pump 2 gas is charged in the air bag 1 by Non-return air valve 3; pressing means of deflation 4 again when needs are exitted exits; described protective sleeve 5 is wrapped in the side edge of safety cap air bag 1; described air pump 2 is positioned at protective sleeve 5; make air pump 2; the pneumatopyle 11 of Non-return air valve 3 and safety cap air bag 1 and steam vent 12 all are wrapped in the protective sleeve 5; both protect whole safety cap air cushion structure, increased the aesthetic feeling of product again.
As shown in Figure 3, Figure 4, air pump 2 of the present utility model comprises air pump body 21 and movable air valve 22, described air pump body 21 is provided with air admission hole 211 and air-filled pore 212, described air-filled pore 212 is connected with Non-return air valve 3, described movable air valve 22 is installed in the air admission hole 211, movable air valve 22 is installed in the air admission hole 211 of air pump 2, and movable air valve 22 is hidden in the main body of air pump 2, reduced the volume of whole air pump 2, and made whole air pump 2 profiles more attractive in appearance; Simultaneously, movable air valve 22 is directly installed in the air admission hole 211, has increased the sealing between movable air valve 22 and the air admission hole 211, has guaranteed the inflation effect of air pump 2.In order to increase the air-tightness between movable air valve 22 and the air admission hole 211, gas can not spill between movable air valve 22 and air admission hole 211 when making 1 inflation of 2 pairs of safety cap air bags of air pump, guarantee the inflation effect of air pump 2, be provided with sealing ring 23 between movable air valve 22 described in the utility model and the air admission hole 211.
As Fig. 5, shown in Figure 6, Non-return air valve 3 of the present utility model comprises valve body 31 and spool 32, described valve body 31 is made of upper valve body 311 and following valve body 312, described upper valve body 311 comprises upper cover body 3111 and last gas column 3112, described valve body 312 down comprises lower cover 3121 and following gas column 3122, described upper cover body 3111 fastens mutually with lower cover 3121 and between forms valve pocket 33, the described gas column 3112 of going up runs through upper cover body 3111 and forms protruding hole 3113 in upper cover body 3111 bottoms, described gas column 3122 down runs through lower cover 3121 bodies, described spool 32 places in the valve pocket 33, it comprises spool body 321 and the leg 322 that is arranged on spool body 321 bottoms and is circle distribution, described spool body 32 is the boss shape, its upper surface and protruding hole 3113 fit, described leg 322 contacts with lower cover 3121, spool body 321 is designed to boss shape and last gas column 3112 to be run through the protruding hole 3113 that upper cover body 3111 forms in upper cover body 3111 bottoms and fits, spool 32 withstood on the protruding hole 3113 when air pump 2 was air-breathing, guarantee air-tightness and the one-way of Non-return air valve 3, also reduce simultaneously the material of spool 32, saved cost.The upper surface of spool body 321 described in the utility model caves in and forms groove 3211, described groove 3211 fits with protruding hole 3113 spool body 32 and upper cover body 3111 is fitted, when air cushion is not inflated, gas atmosphere in the safety cap air bag 1 of air cushion is enough to make spool 32 to withstand protruding hole 3113 to make the gas in the safety cap air bag 1 can not flow backwards out, increased the air-tightness of whole Non-return air valve 3, also reduce simultaneously the manufactured materials of spool 32, reduced production cost.
As shown in Figure 7, means of deflation 4 of the present utility model comprises snap-fastener 41 and spring 42, and the tip of described snap-fastener 41 forms catch 43, described snap-fastener 41 is installed in steam vent 12 places, described catch 43 imbeds in the steam vent 12, and described spring 42 is enclosed within on the snap-fastener 41, and the head of a nail of one end and snap-fastener 41 is fixed, the other end is supported on steam vent 12 places, during venting, snap-fastener 41 is pressed downwards, catch 43 leaves steam vent 12, gas flows out from steam vent 12, finishes deflation course.After gas is discharged, under the effect of spring 42, snap-fastener 41 returns, catch 43 blocks steam vent again.
The course of work of safety cap protection air cushion of the present utility model is as follows: gas is entered in the air pump 2 by movable air valve 22 by the air admission hole 211 of air pump 2, press the flexible glue pump housing of air pump 2, movable air valve 22 is closed under the gas pressure effect, the spool 32 of Non-return air valve 3 leaves the protruding hole 3113 at upper valve body 311 places simultaneously, gas is finished once unidirectional inflation in Non-return air valve 3 enters safety cap air bag 1; When air pump 2 carries out when air-breathing, movable air valve 22 reopens, the protruding hole 3113 of withstanding upper valve body 311 places again under the gas pressure effect of the spool 32 of Non-return air valve 3 in safety cap air bag 1, Non-return air valve 3 closures, make the gas in the safety cap air bag 1 can not flow backwards out, thereby finish the air pump breathing process.Repeat above-mentioned action, the user carries out fully safety cap air bag 1 as required.When needs are exitted, as long as press means of deflation.
The above person of thought, it only is the preferred embodiment of the utility model, when the scope that can not limit the utility model enforcement with this, namely the content of putting down in writing according to the utility model claim and utility model specification has generally been done the simple equivalent variation and has been modified, and all still belongs within the utility model claim institute covering scope.In addition, summary part and title only are the usefulness of auxiliary patent document search, are not the interest field that limits the utility model.
Claims (8)
1. a safety cap is protected air cushion; it is characterized in that comprising safety cap air bag, air pump, Non-return air valve and means of deflation; have pneumatopyle and steam vent on the described safety cap air bag, described air pump is communicated with pneumatopyle by Non-return air valve, and described means of deflation is installed in the steam vent place.
2. safety cap according to claim 1 is protected air cushion; it is characterized in that described air pump comprises air pump body and movable air valve; described air pump body is provided with air admission hole and air-filled pore, and described air-filled pore is connected with Non-return air valve, and described movable air valve is installed in the air admission hole.
3. safety cap protection air cushion according to claim 2 is characterized in that being provided with sealing ring between described movable air valve and the air admission hole.
4. according to each described safety cap protection air cushion in the claim 1 to 3; it is characterized in that described Non-return air valve comprises valve body and spool; described valve body is made of upper valve body and following valve body; described upper valve body comprises upper cover body and last gas column; described valve body down comprises lower cover and following gas column; described upper cover body and lower cover fasten mutually and between forms valve pocket; the described gas column of going up runs through upper cover body and forms protruding hole in the upper cover body bottom; described gas column down runs through lower cover; described spool places in the valve pocket; it comprises the spool body and is arranged on the leg of spool body bottom; described spool body is the boss shape; its upper surface and protruding hole fit, and described leg contacts with lower cover.
5. Non-return air valve according to claim 4, the upper surface that the it is characterized in that described spool body formation groove that caves in, described groove and protruding hole fit spool body and upper cover body are fitted.
6. Non-return air valve according to claim 4 is characterized in that described leg is circle distribution in the bottom of spool body.
7. according to each described safety cap protection air cushion in the claim 1 to 3; it is characterized in that described means of deflation comprises snap-fastener and spring; the tip of described snap-fastener forms catch; described snap-fastener is installed in the steam vent place; described catch imbeds in the steam vent; described spring housing is on snap-fastener, and the head of a nail of one end and snap-fastener is fixed, and the other end is supported on the steam vent place.
8. according to each described safety cap protection air cushion in the claim 1 to 3, it is characterized in that also comprising protective sleeve, described protective sleeve is wrapped in the side edge of air bag, and described air pump is positioned at protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030658 CN203137178U (en) | 2013-01-22 | 2013-01-22 | Protective air cushion of safety helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030658 CN203137178U (en) | 2013-01-22 | 2013-01-22 | Protective air cushion of safety helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203137178U true CN203137178U (en) | 2013-08-21 |
Family
ID=48964753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320030658 Expired - Fee Related CN203137178U (en) | 2013-01-22 | 2013-01-22 | Protective air cushion of safety helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203137178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103082552A (en) * | 2013-01-22 | 2013-05-08 | 邓寿峰 | Safety helmet protective air cushion |
-
2013
- 2013-01-22 CN CN 201320030658 patent/CN203137178U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103082552A (en) * | 2013-01-22 | 2013-05-08 | 邓寿峰 | Safety helmet protective air cushion |
| CN103082552B (en) * | 2013-01-22 | 2015-08-26 | 邓寿峰 | Safety helmet protection air cushion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |