CN103564938B

CN103564938B - Headwear with adjustable headband

Info

Publication number: CN103564938B
Application number: CN201210263233.1A
Authority: CN
Inventors: 王琦玮; 李佐华
Original assignee: Honeywell International Inc
Current assignee: Honeywell International Inc
Priority date: 2012-07-27
Filing date: 2012-07-27
Publication date: 2018-04-20
Anticipated expiration: 2032-07-27
Also published as: CN103564938A; WO2014015532A1

Abstract

A kind of headwear with adjustable headband（10）, including：With the first keyed end（14）It is received with to slide bonding relation so as to adjustably around the second rack end of wearer's head（16）Band（12）.Rack end include it is opposite face outwardly each there are multiple recesses（28A, 30A）Rack surface（28,30）.What keyed end included separating faces the interior setting element by spring bias in pairs（24,26）, the movement of setting element selectivity and and recess（28A, 30A）Engagement and disengagement.Toggle switch（18）It is received in bond end（14,16）Above, so that toggle switch（18）Optionally moved between the first unlocked position and the second latched position, in the first unlocked position, setting element（24,26）With recess（28A, 30A）It is disengaged and rack end can be moved freely relative to keyed end；In the second latched position, setting element is engaged with recess and rack end is together with keyed end mutually locking.

Description

Headwear with adjustable headband

Technical field

The present invention relates to those types used in head safety product such as mask, safety cap or other helmets Headwear（headgear）Or Suspension（suspension）.More particularly it relates to one kind is improved to be used for head The adjustable headband of decorations.

Background technology

Although commercially there are the adjustable headband of many different types and style, each type are all defective. The headband of most of pin lockTypes is difficult to lock and relocks, and therefore, it is difficult to be adjusted.Adjusted using only a hand Section is impossible.Moreover, the adjusting band of pin lockType provide only fixed latched position, these latched positions cannot be accurate Really it is adapted to wearer.Therefore needing to provide a kind of ratchet type adjusting band, its is easy to use, or even only needs a hand, but The molded part of limit quantity is comprised only to reduce cost.

The content of the invention

A kind of improved headwear for head safety product includes headband band, and the headband band has first Keyed end and with slide bonding relation be received so as to adjustably around wearer's head the second rack end.The headband bar The rack end of band includes the opposite rack surface faced outwardly, and the rack surface each has multiple recesses.The head What the keyed end of counterband tape included separating paired faces the interior setting element by spring bias, the setting element energy It is enough selectively moved and with the recess engagement and disengagement.Toggle switch is received in the bond end of the headband band Above, so that the toggle switch can be moved optionally between unlocked position and latched position, in solution lock-bit Place is put, the setting element is disengaged with the recess and the rack end can be moved freely relative to the keyed end； At latched position, the setting element is engaged with the recess and the rack end and the keyed end mutually locking are one Rise.

Toggle switch includes body and extends through the cannelure of the body.In operation, the rack end of overlap joint With the keyed end be received through the cannelure and the toggle switch can relative to overlap joint the rack end with The keyed end carries out slip movement.What the toggle switch further comprised in the cannelure opposite extends internally Actuator inclined-plane, when the toggle switch is slided relative to the bond end, the actuator inclined-plane is selectively engaged lock Setting element above fixed end.When the toggle switch is in the unlocked position, the actuator inclined-plane and the setting element It is disengaged；When the toggle switch is in the locked position, the actuator inclined-plane is engaged with the setting element.

In order to which the toggle switch optionally is positioned at unlocked position and latched position, the keyed end of headband and described Toggle switch includes being mutually matched configuration.In the illustrated embodiment, this is mutually matched configuration and includes positioned at the headband band Paired opposed recesses separated above the peripheral side edge of keyed end and in the cannelure of the toggle switch The paired brake to extend internally separated.In order to allow the peripheral side edge of the band of neighbouring recess to move laterally inwardly Dynamic, the keyed end of the headband band includes longitudinal release groove of the neighbouring paired opposed recesses shaping separated.

Therefore, it is an object of the present invention to provide a kind of headwear with improved adjusting mechanism.

There is simple toggle switch it is another object of the present invention to provide one kind to lock and release bar band edge Movement improved adjusting mechanism.

A further object of the present invention is to provide a kind of improved headwear, and the headwear includes being manufactured into Two regulatory function components for being easily assembled to part together.

Read this specification with reference to exemplary drawings and will be appreciated that and understand other objects, features and advantages of the present invention.

Brief description of the drawings

The exemplary embodiment of the present invention is further described through with reference to the following drawings, the attached drawing only shows Example property and the protection domain that is not intended to be limited to disclosure, wherein：

Fig. 1 is the plan of headband band；

Fig. 2 is the enlarged perspective of the keyed end of the headband band；

Fig. 3 is the enlarged perspective at the rack end of the headband band；

Fig. 4 is the keyed end of the headband band fitted together with the toggle switch and the perspective view at rack end；

Fig. 5 is the perspective view of the toggle switch；

Fig. 6 is the profile intercepted along the line 6-6 in Fig. 5；

Fig. 7 is the profile intercepted along the line 7-7 in Fig. 5；

Fig. 8 is the end-view of component shown in Fig. 4；

Fig. 9 is the profile intercepted along the line 9-9 in Fig. 8；

Figure 10 is the profile intercepted along the line 10-10 in Fig. 8；

Figure 11 is the environmental view for showing the toggle switch being in the unlocked position；With

Figure 12 is another environmental view for showing the toggle switch being in the locked position.

Embodiment

Generally, the improved headwear 10 for head safety product as shown in FIG. and as described in this application Including：Headband band 12, the headband band have keyed end 14 and are received with sliding bonding relation so as to adjustably ring Around the rack end 16 of wearer's head；Stirred with for optionally locking with the keyed end of release bar band 14 and rack end 16 Switch 18.

Referring to Fig. 1-12, exemplary embodiments shown are related to for safety cap（Not shown in figure）Headwear 10.Although should Exemplary embodiment is relevant with safety cap, it should be appreciated that：Expectable headwear 10 of the invention can be used in include but It is not limited in other head safety products such as the helmet and mask.

Referring to Fig. 1, headband band 12 is preferably molded as the single piece with center body portion 20 by flexiplast, Tongue piece 22 is carried on the center body portion, being fastened to the center body portion 20 positioned at helmet inner crest face On complementary accessory.Extend keyed end 14 and rack end 16 from the opposite end of the center body portion 20.

Referring to Fig. 2, the keyed end 14 of headband band 12 include separating it is paired face in positioned by spring bias Element（latches）24,26, the setting element can be moved inward optionally.Due to being constructed with flexiplast, The setting element 24,26 is naturally spring biased.

Referring to Fig. 3, the rack end 16 of headband band 12 includes the opposite rack surface 28,30 faced outwardly, the rack Surface each has multiple recess 28A and 30A.

Referring to Fig. 4,11 and 12, toggle switch 18 is received in keyed end 14 and the rack end 16 of the overlap joint of headband band 12 Around, so that the toggle switch 18 can be optionally in unlocked position（Figure 11）With latched position（Figure 12）Between carry out It is mobile（Referring to arrow 32）, in unlocked position, setting element 24,26 and recess 28A, 30A is disengaged and 16 energy of rack end It is enough to be moved freely relative to keyed end 14；At latched position, setting element 24,26 and recess 28A, 30A is engaged and the tooth Bar end 16 is together with 14 mutually locking of keyed end.

Referring to Fig. 5-7, toggle switch 18 is preferably molded of plastic material type and including generally rectangular shaped 34 He of body Extend through the cannelure 36 of the body.In use, the rack end 16 of overlap joint is received with the keyed end 14 wears Cross cannelure 36 and the toggle switch 18 can be slided relative to the rack end 16 of overlap joint with the keyed end 14 Dynamic movement（See also Fig. 4 and Fig. 8）.

Referring to Fig. 7 and Figure 10, toggle switch 18 further comprises the opposite cause to extend internally in cannelure 36 Dynamic device inclined-plane 38,40, the cause when the toggle switch 18 is slided relative to the keyed end 14 of the overlap joint and rack end 16 Dynamic device inclined-plane is selectively engaged the outer surface of the setting element 24,26 above keyed end 14.When toggle switch 18 is in unlock During position（Figure 11）, the actuator inclined-plane 38,40 is disengaged with the setting element 24,26；When toggle switch 18 is in During latched position（Figure 12）, the actuator inclined-plane 38,40 is engaged with the setting element 24,26.

Referring to Fig. 2,6 and 9, in order to which toggle switch 18 optionally is positioned at unlocked position and latched position, headband bar Include being mutually matched configuration with 12 keyed end 14 and toggle switch 18.In the illustrated embodiment, this is mutually matched configuration and includes Paired opposed recesses 42A, 42B separated above the peripheral side edge of the keyed end 14 of the headband band 12 and 44A、44B（Fig. 2）And the paired system to extend internally separated in the cannelure 36 of the toggle switch 18 Dynamic device 46A, 46B.In order to allow the peripheral side edge of the headband band 12 adjacent to opposed recesses 42A, 42B and 44A, 44B along side To moving inward, the keyed end 14 of the headband band 12 includes the longitudinal direction release of the neighbouring paired opposed recesses shaping separated Groove 48A, 48B.

Figure 11 shows the component being in the unlocked position, and in the unlocked position, rack end 16 can be relative to keyed end 14 move freely.At the position, locking brake 46A, 46B are positioned in paired opposed recesses 42A, 42B of outside （The right side of the figure）And actuator inclined-plane 38,40 is disengaged with setting element 24,26.Figure 12 is gone to, in order to which component is locked Together, toggle switch 18 is slided into the left side.At the position, actuator inclined-plane 38,40 engages simultaneously with setting element 24,26 And the terminal of setting element 24,26 and the recess 28A of rack are promoted, 30A forms engagement, and locks brake 46A, 46B areas Domain is fixed in paired opposed recesses 44A, 44B of the inside.

Therefore, it is an object of the invention to：There is provided a kind of headwear with improved adjusting mechanism, there is provided one kind tool There is simple toggle switch to lock the improved adjusting mechanism with the movement of release bar band edge, and a kind of warp is provided Improved headwear is crossed, the headwear includes that two regulatory function for being easily assembled to part together components can be manufactured into.

Based on above reason, headwear of the invention is considered relative to embody obvious progressive and tool for the prior art There is significant commercial advantage.

Although showing and describing the specific concrete structure for embodying the headwear in this application, fields Technical staff should be aware that：Part can be improved and be rearranged under conditions of without departing from following theory and scope As long as and fall into the protection domain of appended claims, then the improvement to part and rearranging is not limited in the application Described in and the particular form that shows.

Claims

1. a kind of headwear, including：

Headband band, the headband band have keyed end and are received with sliding bonding relation so as to adjustably around wearing The rack end on person head,

The rack end of the headband band includes the opposite rack surface faced outwardly, and the rack surface has multiple recessed Mouthful,

The keyed end of the headband band include separating it is paired face the interior setting element by spring bias, it is described Setting element can it is selectively moved and with the multiple recess engagement and disengagement；With

Toggle switch, the toggle switch are received in above keyed end and the rack end of the overlap joint of the headband band, The toggle switch can be moved optionally between unlocked position and latched position, described fixed in unlocked position Bit unit is disengaged with the multiple recess and the rack end can be moved freely relative to the keyed end；In locking bit Place is put, the setting element is engaged with the multiple recess and the rack end is together with the keyed end mutually locking.

2. headwear according to claim 1, wherein the toggle switch includes body and extends through the vertical of the body To groove, the keyed end of the overlap joint and rack end are received through the cannelure, and the toggle switch can be relative to described The keyed end of overlap joint and rack end carry out slip movement,

The toggle switch further comprises the opposite actuator inclined-plane to extend internally in the cannelure, the cause Dynamic device inclined-plane is selectively engaged the setting element above keyed end,

When the toggle switch is in the unlocked position, the actuator inclined-plane is disengaged with the setting element；When When the toggle switch is in the latched position, the actuator inclined-plane is engaged with the setting element.

3. headwear according to claim 2, wherein the keyed end and the toggle switch of the headband band include Configuration is mutually matched, so as to which the toggle switch optionally is positioned at the unlocked position and the latched position.

4. headwear according to claim 3, wherein the configuration that is mutually matched is included positioned at the described of the headband band Paired opposed recesses separated above the peripheral side edge of keyed end and in the cannelure of the toggle switch The paired brake to extend internally separated.

5. headwear according to claim 4, wherein the keyed end of the headband band includes what is separated described in Longitudinal release groove of paired opposed recesses shaping.