CN204246321U - Headband structure and welding mask - Google Patents
Headband structure and welding mask Download PDFInfo
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- CN204246321U CN204246321U CN201420516579.2U CN201420516579U CN204246321U CN 204246321 U CN204246321 U CN 204246321U CN 201420516579 U CN201420516579 U CN 201420516579U CN 204246321 U CN204246321 U CN 204246321U
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Abstract
This utility model relates to a kind of headband structure of headband structure, especially face shield, and described headband structure comprises: for investing the crown constraint portions on the crown of wearer when wearing; Head circumference constraint portions on the forehead that invests wearer when wearing and the back side of head; And the middle interconnecting piece connected between these two portions divides, wherein, described crown constraint portions has at least two telescopic bands be spaced, each described telescopic band can divide controllably automatic telescopic relative to described middle interconnecting piece, described head circumference constraint portions comprises for investing belt on forehead and for investing the rear band on the back side of head, described belt and described rear band can divide controllably automatic telescopic relative to described middle interconnecting piece.This utility model also relates to the face shield with described headband structure.
Description
Technical field
The headband structure that this utility model relates generally to headband structure, especially uses in the protectiveness face shield of such as welding mask.
Background technology
Usually, in the protectiveness face shield of such as welding mask, headband structure is lined with.When face shield is worn in place, described headband structure directly contacts with the head of wearer and between the head and mask shell of wearer, is provided for the head strong fix of mask shell relative to wearer.
Headband structure comprises crown constraint portions and head circumference constraint portions substantially, described head circumference constraint portions is used for providing restraining forces round the forehead of wearer and the correct band structure of the back side of head, and described crown constraint portions is attached to restraining forces on the crown of wearer for providing headband structure.
For security consideration; this headband structure of face shield necessarily requires each several part when wearing to be close to the head of wearer with suitable power; could provide uniform damping effect for mask shell like this, unexpected be subject to external impacts time provide uniform supporting to provide safeguard protection for wearer for headband structure.Therefore, headband structure wear to be close to degree whether suitable most important for the design of face shield.
In order to solve wearer's head size differ caused wear be close to the problem that degree varies causes, the head circumference structure of prior art adopts manual adjustments structure correct band structure when wearing to adjust usually.But, the problem of this manual adjustment: one is that each appropriate level of manual adjustment and the proficiency level of wearer are closely related, if headband structure is adjusted to obtain tension on head, although then thus mask shell also can provide external impacts to protect relative to head strong fix, wearer works long hours, and because head is subject to the pressure of headband structure, hyperemia is easy to faint in meeting; If two be wearer headband structure is adjusted on head portion excessively loose, although then wearer can not feel uncomfortable, there is no strong fix due to mask shell relative to head and thus suitable external impacts protection cannot be provided.
In addition, for some special face shield (such as welding mask), for the Specialty Design of face shield itself and the relatively costly reason of price, often a face shield can be equipped with multiple operator and uses.In this case, except above-indicated problem is unexpected, headband structure too increases the impaired probability of face shield in the different manual adjustment of wearing between operator.
Utility model content
For above problem, the utility model proposes a kind of headband structure of the novelty for face shield, it can adjust tightness according to the head of wearer, especially head circumference size automatically when wearing, thus accurately provide for wearer headband structure be close to degree while avoid the probability that many people manually adjust the headband structural damage likely caused.In addition, according to headband structure of the present utility model due to can automatic telescopic when wearing, thus providing shorter wear time compared with manually adjusting, being convenient to for wearer provides quick protection.
According to an aspect of the present utility model, provide a kind of headband structure of headband structure, especially face shield, described headband structure comprises:
For investing the crown constraint portions on the crown of wearer when wearing;
Head circumference constraint portions on the forehead that invests wearer when wearing and the back side of head; And
The middle interconnecting piece connected between these two portions divides,
Wherein, described crown constraint portions has at least two telescopic bands be spaced, each described telescopic band can divide controllably automatic telescopic relative to described middle interconnecting piece, to provide described headband structure overhead restraining forces, described head circumference constraint portions comprises for investing belt on forehead and for investing the rear band on the back side of head, described belt and described rear band can divide controllably automatic telescopic relative to described middle interconnecting piece, to provide the restraining forces of described headband structure in head circumference.
Alternatively, described telescopic band and/or described belt and/or described rear band can controllably automatic telescopics on length direction and/or volume increase and decrease direction.
Alternatively, described middle interconnecting piece is divided into two, when wearing, near two ears laying respectively at wearer.
Alternatively, each described telescopic band one end divides the fixing and other end to extend to during another middle interconnecting piece divides relative to a middle interconnecting piece, be provided with in another middle interconnecting piece described divides make described telescopic band along its length or volume increase and decrease direction stretch and the Vidacare corp be connected with the end portion operation of described telescopic band or air pump driving device.
Alternatively, described Vidacare corp or air pump driving device by described middle interconnecting piece divide upper setting and the on-off control making described telescopic band flexible.
Alternatively, described Vidacare corp is motor, and be formed with tooth bar stretching in the part that described middle interconnecting piece divides of described telescopic band, described motor is connected with described telescopic band with described tooth bar meshed gears via one.
Alternatively, gear drive, especially bevel gear pair is provided with between described motor and described gear.
Alternatively, described belt and/or described rear band comprise received block and two connecting bands, and described two connecting band one end and middle interconnecting piece divide and to be fixedly linked and the other end can telescopically be housed in described received block.
Alternatively, in described received block, be provided with Vidacare corp, it is connected with described two connecting band operability via Rack and gear transmission mechanism, and described two connecting bands are by means of the relative movement along its length in described received block of described Vidacare corp.
Alternatively, described Vidacare corp is motor, and gear can arrange rotatably and be connected with the output shaft of motor on a connecting band, arranges along its length on another connecting band with the tooth bar of described gears meshing.
Alternatively, described Vidacare corp, by the on-off control arranged on described received block, makes described two connecting bands tighten up relative to described received block or launch.
Alternatively, described received block is provided with knob, can manually drives the output shaft of described motor to rotate by this knob.
Alternatively, headband structure also comprises the checkout gear detecting described crown constraint portions and/or described head circumference constraint portions and be close to degree on the head of wearer, this checkout gear reach suitable be close to degree after that the front and rear band of the telescopic band of described crown constraint portions and/or described head circumference constraint portions is stopped is flexible.
Alternatively, whether being subject to the sensor of resistance when the headband structure output shaft also comprised for detecting described motor rotates, after described sensor detects resistance, making described motor stopping; And/or described crown constraint portions and/or described head circumference constraint portions with that side of the head contact of wearer on be provided with pressure transducer, after described pressure transducer detects suitable contact pressure, make described motor stopping.
According to another aspect of the present utility model, provide a kind of face shield, especially welding mask, in it, be lined with aforesaid headband structure.
According to this utility model, the restraining forces of headband structure can adjust to suitable degree automatically according to the head sizes of wearer, without the need to wearer's manual adjustments, avoids the probability of artificial damage headband structure; In addition, can be adjusted to and suitable be close to degree, meet safety requirements, wear time is shorter.
Accompanying drawing explanation
From detailed description described later and combine below accompanying drawing can comprehend aforementioned and other side of the present utility model.It is pointed out that the ratio of each accompanying drawing is likely different for the object clearly demonstrated, but this can't affect to understanding of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the axonometric chart according to the headband structure for face shield of the present utility model;
Fig. 2 and Fig. 3 diagrammatically illustrates the cutting amplification stereogram at two side direction connecting portion places, left and right of headband structure as shown in Figure 1 respectively; And
Fig. 4 diagrammatically illustrates the cutting amplification stereogram at the rear side connecting portion place of headband structure as shown in Figure 1.
Detailed description of the invention
In each accompanying drawing of the application, the identical or intimate feature of structure is represented by identical Reference numeral.
The following content of description is only described with regard to the headband structure of face shield.It will be apparent to those skilled in the art that headband structure of the present utility model is suitable for being applied in any suitable face shield, such as, be applied in welding mask.Headband structure is lining with fixing in face shield, and concrete fixed form is as the criterion with any means well known to those skilled in the art, no longer superfluously to state at this.
As shown in Figure 1, headband structure comprises crown constraint portions 1 and head circumference constraint portions 2 substantially.Crown constraint portions 1 is mainly used in providing the tightening force of headband structure on the crown of wearer, and head circumference constraint portions 2 is mainly used in providing the tightening force of headband structure in the front and back head circumference of wearer.3 are divided to be connected via two, left and right middle interconnecting piece respectively between crown constraint portions 1 with head circumference constraint portions 2.Middle interconnecting piece divides 3 can be such as box-like by injection mo(u)lding, and its effect is the adjustment structure (as described later) holding crown constraint portions 1.When wearing, middle interconnecting piece divides 3 to be positioned near the ear of wearer substantially, such as, above ear.
For the sake of clarity, be first defined in context of the present utility model: for headband structure, the direction in the paper towards Fig. 1 is oblique is front, after towards the oblique outer direction of the paper of Fig. 1 being.
Crown constraint portions 1 comprises two flexible-belt 1a and 1b.In order to avoid discomfort when directly contacting with the head of wearer, the main body of these two flexible-belt 1a and 1b can be able to provide the band of sufficient intensity to make by any suitable softnesses such as plastic tape, rubber strip, webbings.The two ends of each flexible-belt 1a with 1b divide 3 to be connected via connecting band 4a with 5b with middle interconnecting piece respectively.Each connecting band 4a and 5b is made up of the material higher with flexible-belt phase specific strength, such as, can be made up of metal or rigid plastics.Connecting band 4a and 5b is mainly used for providing the traction force tightening up flexible-belt 1a and 1b in end.
As can be seen from Figure 1, these two flexible-belt 1a and 1b arrange along the longitudinal direction at interval, thus provide uniform load diatibution on the crown of wearer.In addition, should know that the quantity of this flexible-belt of crown constraint portions 1 is not limited to two shown in figure.In order to provide more uniform load diatibution, also can be three, a four or more flexible-belt when structural design allows.In addition, as an alternative, each band portion of crown constraint portions 1 also can directly be formed by above-mentioned connecting band, is surrounded with flexible material as the part directly contacted with the wearer crown on this connecting band simultaneously.
Each flexible-belt 1a and 1b of crown constraint portions 1 and the concrete structure of relevant connecting band 4a and 5b thereof is described in detail referring to Fig. 2 and 3.Fig. 2 and 3 respectively illustrates the cutting amplification stereogram that middle interconnecting piece divides local A and B of 3.As can be seen from the figure, connecting band 4a and 5b be connected with each flexible-belt 1a with 1b only at one end divides the shell of 3 to be fixedly linked with middle interconnecting piece, the other end extends to middle interconnecting piece and divides in the shell of 3.Such as, as shown in Figure 2, the middle interconnecting piece that the left side connecting band 4a in Fig. 1 is fixedly connected on left side divides on the shell of 3, and the middle interconnecting piece that the right side connecting band 4a in Fig. 1 extends to right side divides in the shell of 3.Again such as, as shown in Figure 3, the middle interconnecting piece that the connecting band 5b on the right side in Fig. 1 is fixedly connected on left side divides on the shell of 3, and the middle interconnecting piece that the connecting band 5b in left side in Fig. 1 extends to right side divides in the shell of 3.
For Fig. 2, connecting band 4a such as can rivet in any suitable mode well known by persons skilled in the art, bonding, buckle etc. is fixed on middle interconnecting piece and divides on the shell 3a of 3.Connecting band 5b has the central elongated groove 8b extended longitudinally, and the both sides that the longitudinal direction of this elongated slot is inside are integrally formed with tooth bar 8b ' and 8b respectively ".This connecting band 5b such as can extend in the inside of shell 3a through the groove formed in the outer wall of shell 3a.Here it should be noted that, be only described for understanding key technology scheme of the present utility model those parts requisite below.Other complementary part such as above-mentioned groove, the part in shell 3a, connecting band guided, should to know those skilled in the art the part that following each gear, motor or the circuit board etc. that will describe support in shell 3a.Such as, above-mentioned groove or can be integrally formed at suitable position when middle interconnecting piece divides the shell 3a injection mo(u)lding of 3 part etc. that each gear supports in shell 3a, will omit therefore below for their description.
As shown in Figure 2, a pair intermeshing bevel gear 10 and 11 is installed in the shell 3a that middle interconnecting piece divides 3, wherein, be formed with a gear 12 coaxially with bevel gear 10, this gear 12 is positioned at the central elongated groove 8b of connecting band 5b and " engages with 8b with the tooth bar 8b ' of central elongated groove 8b simultaneously.
Bevel gear 11 divides the motor 13 in the shell 3a of 3 to drive by middle interconnecting piece.In shell 3a, motor 13 is connected with a control circuit board 14, and this circuit board 14 is provided with electronic device and other respective electronic device such as single-chip microcomputer etc. for controlling motor 13.Data wire 15 is drawn from this circuit board 14, and described data wire 15 can be that motor 13 is powered and/or carries out data cube computation with headband other electronic device structural via the power supply on face shield.After motor 13 starts, bevel gear 11 is driven to rotate, described bevel gear 11 then drive the bevel gear 10 engaged with it to rotate also and then driven wheel 12 rotates." engage, thus driving connecting band 5b moves relative to shell 3a for tooth bar 8b ' and 8b due to gear 12 and connecting band 5b.By controlling the rotation direction of output shaft of motor 13, correspondingly can control bevel gear to 10 and 11 and the rotation direction of thus gear 12, and and then control connection band 5b whether enter in shell 3a further or leave shell 3a.
The rotary switch 16 that the shell 3a of 3 can be provided with as shown in Figure 1 is divided at middle interconnecting piece as shown in Figure 2, this rotary switch 16 such as can be connected with the control circuit board 14 of motor 13 via data wire 15, can correspondingly be stretched back and forth along four-headed arrow II relative to shell 3 by control connection band 5b by this rotary switch 16 of forward or reverse.
Such as can be provided with force cell (not shown) on the output shaft of motor 13, this force cell, for detecting after motor 13 starts whether be subject to barrier force, sends signal to control circuit board 14 after being subject to barrier force.This control circuit board 14 can be arranged to be shut down by motor 13 upon receipt of the signal.Like this; headband structure of the present utility model to be worn on the crown and after correspondingly opening rotary switch 16 wearer; flexible-belt 1b automatically can tighten up gradually under the drive of connecting band 5b; will detect that the output shaft of motor 13 is obstructed when fitting to the force cell on the crown on rear motor 13 suitably; now motor 13 is shut down and flexible-belt 1b is fitted on the crown just suitably, rule of thumb carries out elasticity debugging again without the need to wearer.
Should be clear, above-mentioned force cell can adopt the product of any maturation of correlative technology field.In addition, sensors with auxiliary electrode also can be mounted in flexible-belt 1b towards the pressure transducer on side, the crown.Like this, after flexible-belt 1b is tightened to suitable degree overhead, this pressure transducer can send the signal of motor 13 shutdown to control circuit board 14.Should be clear, what it may occur to persons skilled in the art that any suitable can measure the sensor that the whether suitable backward control circuit board 14 of the overhead elasticity of flexible-belt sends the signal that motor 13 is shut down and all can adopt in headband structure of the present utility model.
Fig. 3 shows the structure similar with Fig. 2, and it is fixing that difference is only that connecting band 5b middle interconnecting piece in figure 3 divides on the shell 3a of 3, and connecting band 4a extends in shell 3a.Similar with connecting band 5b, connecting band 4a has the central elongated groove 8a extended longitudinally, and the both sides that the longitudinal direction of this elongated slot is inside are also integrally formed with tooth bar 8a ' and 8a respectively ".Similarly, a pair intermeshing bevel gear 10 and 11 is installed in the shell 3a that middle interconnecting piece divides 3, wherein, be formed with a gear 12 coaxially with bevel gear 10, this gear 12 is positioned at the central elongated groove 8b of connecting band 4a and " engages with 8a with the tooth bar 8a ' of central elongated groove 8a simultaneously.Bevel gear 11 divides the motor 13 in the shell 3a of 3 to drive by middle interconnecting piece.In shell 3a, motor 13 is connected with a control circuit board 14, this circuit board 14 is provided with the electronic device for controlling motor 13 and other control electronic device.Rotary switch 17 divides on the shell 3a of 3 at middle interconnecting piece to be installed, such as, can be connected with the control circuit board 14 of motor 13 via data wire 15.Can correspondingly be stretched back and forth along four-headed arrow II relative to shell 3 by control connection band 4a by this rotary switch 17 of forward or reverse.The working method of connecting band 4a, with identical as above with reference to Fig. 2, does not thus do superfluous stating at this.
Although in the embodiment shown in Fig. 2 and 3 middle interconnecting piece divide in 3 adopt bevel gear to 10 and 11 mode stretch to drive connecting band 4a and 5b, other any suitable actuating device all can adopt in the technical solution of the utility model.Such as, spur gear can be adopted to substitute bevel gear to 10 and 11 to drive mechanism.Even in order to save space, gear 12 is directly installed on motor 13 by the bevel gear enterprising row cutting of output shaft to 10 and 11 can be omitted.
Motor 13 and drive flexible connecting band 4a or 5b substantially to constitute as flexible-belt 1a or 1b realizes the telescopic regulation structure of automatic telescopic function by motor 13.But, it should be apparent to those skilled in the art that this adjustment structure is not restricted to illustrated embodiment.Such as, as an alternative, flexible-belt 1a and 1b can be made the inflatable elastic webbing of inner hollow, the two ends of this band divide 3 to be connected with middle interconnecting piece respectively and empty internal is provided with small air pump and is communicated with dividing in 3 at middle interconnecting piece; Air pump can be controlled by switch 16 and 17 respectively, to elastic webbing inner inflatable, makes band structure right overhead be worn on laminating suitable with it after on the crown.Similarly, this air pump also can control by above-mentioned sensor, detect between elastic webbing and the crown, there is suitable degree of being close to after send the signal that air pump is shut down.Should be clear, switch 16 and 17 is not limited to the rotary switch shown in Fig. 2 and 3, and the switch of other form is such as two-way also can be adopted by compress switch etc. in headband structure of the present utility model.
Again such as, as an alternative, flexible-belt 1a with 1b can be arranged to one end divides the output shaft of the motor 13 in 3 to be directly fixedly connected with middle interconnecting piece, flexible-belt can be wound around along with the rotation of output shaft or untie on output shaft simultaneously, guarantees that flexible-belt 1a and 1b divides 3 to stretch back and forth relative to middle interconnecting piece with this.Should be clear, any flexible-belt 1a and 1b that can realize divides the structure of 3 automatic telescopic functions all can adopt in headband structure of the present utility model relative to middle interconnecting piece.
In addition, as shown in Figure 1, head circumference constraint portions 2 comprises belt 2a and rear band 2b.Belt 2a is for abutting in the forehead of wearer when wearing, rear band 2b, for abutting in the back side of head of wearer when wearing, realizes the constraint to wearer's head circumference with this.Similar with flexible-belt 1a and 1b, the main body of belt 2a also can provide the band of sufficient intensity to make by any suitable softnesses such as plastic tape, rubber strip, webbings.The two ends of the main body of belt 2a divide 3 to be connected via connecting band 6a with middle interconnecting piece respectively.Alternatively, can be directly be fixedly linked between connecting band 6a and mid portion 3; Or also can adopt the alternate embodiment of telescopic regulation structure as shown in Figures 2 and 3 or this type of adjustment structure above-mentioned between them.
The concrete structure of rear band 2b is introduced referring to Fig. 4.Rear band 2b comprises two connecting band 7b.Each connecting band 7b one end is fixed on a corresponding middle interconnecting piece and is divided on the shell 3a of 3, and the other end extends in the received block 18 arranged between these two connecting band 7b.
Received block 18 is injection molding part and inside is hollow structure.As shown in Figure 4, two self attachments of connecting band 7b can receive slidably in received block 18.The connecting band 7b being positioned at top can be formed with the central elongated groove 20 extended longitudinally, and the both sides that the longitudinal direction of this elongated slot is inside are integrally formed with tooth bar 20a and 20b respectively.The connecting band 7b being positioned at below is rotatably provided with gear 21.The axle that this gear 21 can be arranged on connecting band 7b rotates, and engages with tooth bar 20a and 20b simultaneously.The shell 3a of 3 data wire 23 being provided with motor 22, control circuit board 24 and being connected between motor 22 with control circuit board 24 is divided at middle interconnecting piece.The output shaft of motor 22 is connected with gear 21, and under the control of circuit board 24, driven wheel 21 both forward and reverse directions rotates, thus these two connecting band 7b can stretch along four-headed arrow I as shown in Figure 1 toward each other.
Additional electric wire 25 is connected with circuit board 24, for powering for it and/or carrying out data cube computation with headband other electronic device structural.The switch 27 arranged on the surface of received block 18 as shown in Figure 1 such as can be connected with control circuit board 24 via electric wire 25.Be worn on after on head in headband structure of the present utility model, according to wearer by compress switch 27 the situation of left and right arrow, under the driving of motor 22, these two connecting band 7b are corresponding in received block 18 to be stretched along four-headed arrow I.Can expect, above-mentioned similar sensor also can adopt or apply explicitly with this motor in motor 22, thus detect between connecting band and head circumference, there is suitable degree of being close to after send the signal that motor 22 is shut down.
As shown in Figure 4, the output shaft of motor 22 also can be connected with the knob 26 arranged on the outer surface of received block 18.This knob 26 can rotate by the output shaft of drive motors 22 when motor 22 is not energized startup, thus these two connecting band 7b manually can be driven mutually to stretch along four-headed arrow I, for wearer provides more personalized selection by this knob 26.
Gear 21 on motor 22, knob 26 and this two connecting band 7b and tooth bar 20a and 20b constitute the telescopic regulation structure of rear band 2b substantially.But, it should be apparent to those skilled in the art that this telescopic regulation structure is not limited to concrete structure as shown in Figure 4, any adjustment structure that can realize two connecting band 7b flexible relative to received block 18 all can adopt in the technical solution of the utility model.Such as, as an alternative, two connecting band 7b all can be set to have tooth bar 20a and 20b, gear 21 can be installed rotatably and engage with the tooth bar of these two connecting band 7b simultaneously in received block 18, like this, under the control of circuit board 24, motor 22 also can drive connecting band 7b to move relative to each other, thus stretches relative to received block 18.Except the output shaft of motor 22 is directly connected with gear 21, the output shaft of motor 22 also can be connected with gear 21 via other suitable drive mechanism any such as gear or belt wheel.
Those skilled in the art after reading this specification should be clear, and the telescopic regulation structure for flexible-belt 1a and 1b, belt 2a and rear band 2b can be interchangeable with one another under the prerequisite meeting Structural Design Requirement.In addition, the touch sensor that such as pressure transducer is set in the part that can contact with wearer of headband structure of the present utility model can be expected, after headband structure is worn on the head by wearer, sensor sends signal drive motor successively or simultaneously automatic tightening crown constraint portions 1 and head circumference constraint portions 2 automatically after contact being detected.
Again such as, this headband structure of the present utility model also can be arranged to abandon received block 18 and only adopt a middle interconnecting piece to divide 3, like this, belt, rear band and two flexible-belts are all fixed on one end, and the other end extends to this middle interconnecting piece divides in 3 simultaneously, divide relative to this middle interconnecting piece simultaneously and can stretch in above-mentioned similar mode, also can realize the automatic telescopic of headband structure on wearer's head and wear.
Adopt headband structure of the present utility model, wearer oneself regulates crown constraint portions and head circumference constraint portions without the need to loaded down with trivial details ground, and all adjustments complete automatically, convenient and swift.In addition, automatically complete owing to regulating, so avoid the many person-times of breakages that may occur after using headband structure.In addition, due to headband structure automatic tightening, more appropriately can be applicable to the head sizes of different wearer, guarantee satisfactory degree of being close to.The most important thing is, if adopt in expensive dedicated facemask (such as special welding face shield) according to this headband structure of the present utility model, a face shield can adapt to multiple operator and wear, and significantly reduces weapon procurement cost.
Although describe particular implementation of the present utility model here in detail, the object that they are only used to explain provides, and should not think that they are construed as limiting scope of the present utility model.Under the prerequisite not departing from this utility model spirit and scope, various replacement, change and transformation can be conceived out.
Claims (17)
1. a headband structure, described headband structure comprises:
For investing the crown constraint portions on the crown of wearer when wearing;
Head circumference constraint portions on the forehead that invests wearer when wearing and the back side of head; And
The middle interconnecting piece connected between these two portions divides,
It is characterized in that, described crown constraint portions has at least two telescopic bands be spaced, each described telescopic band can divide controllably automatic telescopic relative to described middle interconnecting piece, to provide described headband structure overhead restraining forces, described head circumference constraint portions comprises for investing belt on forehead and for investing the rear band on the back side of head, described belt and described rear band can divide controllably automatic telescopic relative to described middle interconnecting piece, to provide the restraining forces of described headband structure in head circumference.
2. headband structure according to claim 1, is characterized in that, described telescopic band and/or described belt and/or described rear band can controllably automatic telescopics on length direction and/or volume increase and decrease direction.
3. headband structure according to claim 1 and 2, is characterized in that, described middle interconnecting piece is divided into two, when wearing, near two ears laying respectively at wearer.
4. headband structure according to claim 3, it is characterized in that, each described telescopic band one end divides the fixing and other end to extend to during another middle interconnecting piece divides relative to a middle interconnecting piece, be provided with in another middle interconnecting piece described divides make described telescopic band along its length or volume increase and decrease direction stretch and the Vidacare corp be connected with the end portion operation of described telescopic band or air pump driving device.
5. headband structure according to claim 4, is characterized in that, described Vidacare corp or air pump driving device by described middle interconnecting piece divide upper setting and the on-off control making described telescopic band flexible.
6. headband structure according to claim 4, it is characterized in that, described Vidacare corp is motor, and be formed with tooth bar stretching in the part that described middle interconnecting piece divides of described telescopic band, described motor is connected with described telescopic band with described tooth bar meshed gears via one.
7. headband structure according to claim 6, is characterized in that, is provided with gear drive between described motor and described gear.
8. headband structure according to claim 3, it is characterized in that, described belt and/or described rear band comprise received block and two connecting bands, and described two connecting band one end and middle interconnecting piece divide and to be fixedly linked and the other end can telescopically be housed in described received block.
9. headband structure according to claim 8, it is characterized in that, Vidacare corp is provided with in described received block, it is connected with described two connecting band operability via Rack and gear transmission mechanism, and described two connecting bands are by means of the relative movement along its length in described received block of described Vidacare corp.
10. headband structure according to claim 9, it is characterized in that, described Vidacare corp is motor, and gear can arrange rotatably and be connected with the output shaft of motor on a connecting band, arranges along its length on another connecting band with the tooth bar of described gears meshing.
11. headband structures according to claim 9, is characterized in that, described Vidacare corp by arrange on described received block and make the on-off control that described two connecting bands tighten up relative to described received block or launch.
12. headband structures according to claim 10, is characterized in that, described received block is provided with the knob manually driving the output shaft of described motor to rotate.
13. headband structures according to claim 1 and 2, it is characterized in that, also comprise the checkout gear detecting described crown constraint portions and/or described head circumference constraint portions and be close to degree on the head of wearer, this checkout gear reach suitable be close to degree after that the front and rear band of the telescopic band of described crown constraint portions and/or described head circumference constraint portions is stopped is flexible.
14. headband structures according to claim 6, is characterized in that, whether being subject to the sensor of resistance, after described sensor detects resistance, making described motor stopping when the output shaft also comprised for detecting described motor rotates; And/or described crown constraint portions and/or described head circumference constraint portions with that side of the head contact of wearer on be provided with pressure transducer, after described pressure transducer detects suitable contact pressure, make described motor stopping.
15. headband structures according to claim 1 and 2, is characterized in that, described headband structure is the headband structure of face shield.
16. headband structures according to claim 6, is characterized in that, be provided with bevel gear pair between described motor and described gear.
17. 1 kinds of welding masks, is characterized in that, are lined with according to the arbitrary described headband structure of claim 1 to 16 in described welding mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516579.2U CN204246321U (en) | 2014-09-09 | 2014-09-09 | Headband structure and welding mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516579.2U CN204246321U (en) | 2014-09-09 | 2014-09-09 | Headband structure and welding mask |
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| Publication Number | Publication Date |
|---|---|
| CN204246321U true CN204246321U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420516579.2U Active CN204246321U (en) | 2014-09-09 | 2014-09-09 | Headband structure and welding mask |
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| CN (1) | CN204246321U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105029816A (en) * | 2015-06-19 | 2015-11-11 | 郑州市金水区工人第一新村小学 | Automatic elastic hat |
| CN105395314A (en) * | 2014-09-09 | 2016-03-16 | 泰克曼(南京)电子有限公司 | Automatic telescopic type head band structure |
| CN107441600A (en) * | 2017-08-31 | 2017-12-08 | 陈伟景 | A kind of novel oxygen pipe fixing device |
| CN107469213A (en) * | 2017-08-31 | 2017-12-15 | 中山市程博工业产品设计有限公司 | The oxygen inhalation tube fixer that a kind of elasticity automatically adjusts |
| CN111449827A (en) * | 2020-04-10 | 2020-07-28 | 于长春 | Psychiatric department constraint device |
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2014
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| CN105395314A (en) * | 2014-09-09 | 2016-03-16 | 泰克曼(南京)电子有限公司 | Automatic telescopic type head band structure |
| CN105029816A (en) * | 2015-06-19 | 2015-11-11 | 郑州市金水区工人第一新村小学 | Automatic elastic hat |
| CN107441600A (en) * | 2017-08-31 | 2017-12-08 | 陈伟景 | A kind of novel oxygen pipe fixing device |
| CN107469213A (en) * | 2017-08-31 | 2017-12-15 | 中山市程博工业产品设计有限公司 | The oxygen inhalation tube fixer that a kind of elasticity automatically adjusts |
| CN107441600B (en) * | 2017-08-31 | 2020-06-26 | 杜虹 | Novel oxygen hose is fixed device |
| CN111449827A (en) * | 2020-04-10 | 2020-07-28 | 于长春 | Psychiatric department constraint device |
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Effective date of registration: 20221129 Address after: No.8, Huyue East Road, Longchi street, Liuhe District, Nanjing City, Jiangsu Province Patentee after: Tecman (Nanjing) safety protection equipment Co.,Ltd. Address before: 210031 Building D, No.21, Liuzhou North Road, Xiaoliu Industrial Park, high tech Zone, Nanjing City, Jiangsu Province Patentee before: TECMEN ELECTRONICS Co.,Ltd. |