CN106659917A

CN106659917A - Fastening unit and modules

Info

Publication number: CN106659917A
Application number: CN201580044935.2A
Authority: CN
Inventors: 延斯·布罗泽; 拉尔夫·格伦
Original assignee: SATA GmbH and Co KG
Current assignee: SATA GmbH and Co KG; Kureha Corp
Priority date: 2014-08-26
Filing date: 2015-08-25
Publication date: 2017-05-10
Also published as: CN204073150U; DE202015005880U1

Abstract

The invention discloses a fastening unit and modules. The invention relates to a fastening unit (100), in particular a fastening unit for modules which are intended to supply a user of a breathing mask or breathing hood with breathable air, and to such modules. The fastening unit is characterised in that it is designed to secure one module relative to another module, and in that it has a first component part (1) for assembly with the other module and a second component part (2) for assembly with the module, wherein the second component part (2) is rotatable, by means of the first component part (1), about a predetermined angle relative to the first component part (1); and first and second subcomponents (10, 20) within the region of the defined angle can engage with each other in a plurality of positions.

Description

Fastening unit and module

Technical field

The present invention relates to a kind of fastening unit, in particular for the fastening unit of module, the module is determined for breathe The user of protecting mask or respiratory protecting mask provides breathing air, and is related to a kind of such module.

Background technology

It is inevitable in the method for paint spraying of the spray gun run by using compressed air and in the case of using solvent , produce so-called " over range spraying ".In other words, running space is loaded with undesirable coating quantity or coating Drop quantity, this is also very harmful for human body.For this reason, for the health protection of staff is necessary. It is this to be preferably able to be fixed on whole head and the respiratory protecting mask especially before the whole facial zone of staff Purpose is very suitable and offer farthest health protection.It is empty that such respiratory protecting mask is generally independent of environment Gas is conveyed compressed air.For this purpose, compressed air is supplied in all cases first air preparation system, it is included as One single-stage or multistage filtration system.Waistband or rump strap are conveyed to by filtered air and then by compressed-air hose, It is commonly equipped with least one other air preparation module.Air preparation module can be activated carbon absorber, in addition Air preparation module can be air heater or air humidifier.Can be removed by activated carbon absorption module can also Undesirable steam and the gas being retained in compressed air.And by air heating module and/or air wetting module energy Enough additional advantages realized for health and good impression.Other favourable design is, in waistband or rump strap On be fixed with air adjustment and distribute module.Whole construct is generally described as belt unit.Such preferred waist Tape cell becomes known for the trade name of SATA GmbH＆Co.KG in the respiratory protecting mask of " Vision 2000 ".

Currently, the user of respiratory protection system guaranteeing and to improve requirement using friendly property to health protection. On the other hand, manufacturer and supplier wish that product can be manufactured as simply as possible, simply assemble and if necessary go back Can simply dismantle.

The content of the invention

It is an object of the invention to show the possibility before a kind of how solution.

The purpose of the present invention is realized by a kind of fastening unit of feature with claim 1.It is of the invention tight Gu unit realizes the simple and reliable installation and removal of disparate modules, the module is especially determined for for respiratory protection mask Or the user of respiratory protecting mask provides breathing air.

By dependent claims and next, the accompanying drawing of description is given the other details and design of the present invention.

Fastening unit of the invention is used to for air preparation module to be simply secured in especially waistband or rump strap Above and later from above remove, the Spray Painter's wearing of the waistband or rump strap by workman, such as especially in paint spray booth And it wears the respiratory protection mask or respiratory protecting mask of separate ventilation.

Description of the drawings

Appended view forms the part of this specification and provides for further understanding for the present invention.It is illustrated The multiple possible design of the present invention and the principle for together describing the present invention with specification.It is identical in the accompanying drawings Part mark with the same references.

Illustrate in figure：

Figure 1A and 1B are the views of overall fastening unit of the invention,

Fig. 2A and 2B are the exploded views of the fastening unit,

Fig. 3 is the Assembly Instruction Device of the fastening unit and air-conditioning unit,

Fig. 4 A and 4B are the assembled views of fastening unit and air-conditioning unit,

Fig. 5 A to 5E are the rotation charts of the assembly according to Fig. 4 A for combining rump strap,

Fig. 6 be for will according to the construct of Fig. 4 A and 5A-5E Assembly Instruction Device of the assembling on stern band,

Fig. 7 A show the previous section of air-conditioning unit, and it can be connected with fastening unit of the invention,

Fig. 7 B show the dorsal part of the air-conditioning unit,

Fig. 8 A show the installation diagram of the air-conditioning unit,

Fig. 8 B show the other visual angle of installation diagram,

Fig. 9 A show the fastening unit of the air-conditioning unit,

Fig. 9 B show the other visual angle of the fastening unit,

Figure 10 shows the view being fixed on the fastening unit with air-conditioning unit on stern band, and

Figure 11 shows the view for removing the fastening unit with air-conditioning unit from stern band.

Specific embodiment

It is ensuing detailed description refer to the attached drawing understood, its formed specification a part and illustrate some can The explanatory view of energy property, it is presented the present invention.In the accompanying drawings, direction indicates, e.g., on, under, it is inner and outer to refer to it is described attached Figure is understanding.The component of the design of the present invention can be arranged on multiple different directions, so that direction indicates only For illustrating and thus should not produce restriction.The description also should be connected in this wise, i.e., other design also can The change for being chosen and carrying out in structure or in logic based on such premise, i.e., its correspond to the scope of the present invention to set Meter.Therefore, ensuing detailed description should not be construed restriction.Here is it should be understood that the design that i.e. here is differently stated The feature of scheme can combination with one another, when the points for attention specifically declared in addition are not given.

As shown in Figure 1A and 1B and Fig. 2A and 2B, fastening unit of the invention 100 has first Components 1, the second components 2, the first screw 3 with the first head portion and the first hollow screw protuberance, spring 4 With the second screw 5 with the second head portion and the second hollow screw protuberance.

First assembly part 1 has the substantially profile of cylinder and as shown in Figures 2 A and 2 B including the One substrate 10, first substrate is with first surface and the second surface relative with first surface.Central through hole 11 through this One substrate 10.Hexagonal framework 12 is around the central through hole 11 and arranges on the first surface.Stop part 14 and The lock slots 15 and lug boss 13 and 16 outwardly arranged on two surfaces define first assembly part 1.

As being further illustrated in Figures 2 A and 2 B, the second components 2 include second substrate 20, second substrate band There are first surface and the second surface relative with the first surface.First hollow lug boss 21 protrudes from first surface and runs through Second substrate 20.In addition there is the second lug boss 22, have a diameter larger than the diameter of the first lug boss 21, but it is highly less than the The height of one first lug boss 21, wherein, the second lug boss 22 surrounds the first lug boss 21.First lug boss 21 pairs should have two Stop pin 23, it can be engaged in the lock slots 15 of first assembly part 1, specific so as to the second components 2 be locked in The position of engagement in.Fastening part 24 be inserted into module, such as in the fastener hole of air preparation module, with jointly It is fixed on other part or object.

Additionally, as shown in Figures 2 A and 2 B, the second lug boss 22 has the first section 221 and the second section 222, wherein, the internal perisporium of the first section 221 on the perisporium of the outside of the first protuberance 21 and the second section 222 it is interior The periphery wall of perisporium and the first lug boss 21 defines the gathering sill 25 for accommodating stop part 14.First section 221, second Section 222, the first lug boss 21 and stop part 14 are so coordinated with each other, i.e. the second components 2 can rotate around an angle, The angle is the predetermined angle relative to first assembly part, and wherein the predetermined angle is less than 180 degree.

Such as in Figure 1A, 1B and Fig. 2A, as shown in 2B, the first screw 3 is successively from the side residing for first assembly part 1 Face is inserted in the hollow parts of the lug boss 21 of central through hole 11 and first.The spring 4 of screw 5 is installed wherein second The side that components 2 are arranged is sequentially loaded into in the hollow parts of the assembling of the first lug boss 21, so as to the first screw 3 The first hollow screw protuberance receive the second hollow screw protuberance and spring 4 of the second screw 3 and surround first screw 5 First screw protuberance.It is additional, seal can be set between the head portion and spring 4 of the first screw 3.First group The components 2 of part part 1 and second are assembled by this way, i.e. the stop part 14 of first assembly part 1 is contained in second group In the gathering sill 25 of part part 2 and the stop pin 23 of the second components 2 is locked at the lock slots 15 of first assembly part 1 In.

Additionally, as shown in fig. 2, should mutually have five lock slots to be formed in the upside of the second surface of first substrate 10 In, and should mutually have five lock slots to be formed in the downside of the second surface of first substrate 10 and around central through hole 11 Central axial line be arranged symmetrically.Additionally, downside five lock slots corresponding to the second components 2 gathering sill 25 with by The neighboring area of second surface definition is harmonious.

In the case of the fastening unit 100 with the construction, the second components 2 can be rotated, and when the When the stop pin 23 of two components 2 is by 15 collective effect of lock slots of the expansion of spring 4 and first assembly part 1.Second The stop pin 23 of components 2 can be engaged in other lock slots 15, and can realize the second components 2 relative to First assembly part 1 is snapped in multiple positions.Additionally, the internal perisporium of the first section 221 of the second lug boss 22 is convex first Rise portion 21 outer peripheral wall vicinity and gathering sill 25 in the internal perisporium of the second section 222 and the formation periphery of the first lug boss Between the wall in face, so that the stop part 14 of first assembly part 1 can be moved in gathering sill 25, and the second components 2 Revolvable angular range be limited compared with first assembly part 1, thus the add-on module on fastening unit 100 exists In being blocked for rotation undesirable position thereon.

As described above, five pairs of symmetrical lock slots are formed in first assembly part 1, so that the second components 2 have There are five positions of engagement relative to first assembly part 1.As shown in Fig. 5 A to 5E, the second components energy Enough relative to first assembly part with 22.5 degree, -22.5 degree are spent for 45 degree with -45 and are rotated and the engagement at corresponding position.

Here, as shown by Figures 2 A and 2 B, fastening part 24 has the 3rd hollow section 241 and the 4th empty Center portion section 242, wherein the 3rd hollow section 241 be positioned at on the identical surface of the first protuberance 21.On second substrate 22, 4th section 242 is positioned on the surface relative with the first lug boss 21 of second substrate 20.

Additionally, as further illustrated in Fig. 2A and 2B and Fig. 3, the 4th section 242 is inserted into as attached Plus in the fastener hole of air-conditioning unit 1 that uses of module.Screw is pushed into a part for the 4th hollow section 242 from side In the hollow parts of the 3rd hollow section 241, wherein, residing for air-conditioning unit 1 from the second components 2 with nut Side so that fastening unit 100 and air-conditioning unit 1 are fixed to one another as shown by figures 4 a and 4b.

Additionally, as shown in fig. 2B, the 3rd section 241 has hexagonal profile, so that nut is corresponding Hexagonal profile is designed and can have in the 3rd section 241.

Alternatively, although it is not shown, the second components have is used for the securing member for accommodating add-on module extremely A few fastener hole, wherein at least one fastener hole preferably extends through second substrate.

Additionally, as illustrated in Figure 2, the head portion of the first screw 3 has the hexagon profile with framework 12 The hexagonal transverse cross section of matching, so that the hexagonal head portion of the first screw 3 can be pressed in framework 12.

Alternatively, although it is not shown, the head portion of the second screw 5 can have rounded outer profile, its Hexagonal interior profile with framework 12.

Fastening unit 100 is preferably made of plastics.

Fastening unit 100 can highlightedly be used for the either other unit of air-conditioning unit 1 or other module It is fixed in waistband or rump strap 200.As shown in FIG. 6, the energy of air-conditioning unit 1 with fastening unit 100 Enough by being fixed on the adapter 42 of rump strap 200 from passage above.Lug boss on the first assembly part 1 of fastening unit 13,16 slide then along adapter 42；And when the lug boss on first assembly part is pressed onto on adapter towards handle When, thus limit the motion up and down of air-conditioning unit 1.

Description before whole is related to the embodiment according to Fig. 1 to 6.

Next should be according to Fig. 7 to 11 again according to further describing to further describe this to fastening unit Bright, the fastening unit is combined with air-conditioning unit again.

Next the half-shell 3 of first half-shell 2 and second is included according to the air-conditioning unit 100 of Fig. 7, it forms air adjustment The housing of unit 100.Two half-shells 2,3 are connected to each other along suture 300.The connection can be the connection that can dismantle or Non-detachable connection.Buckle, bonding or to be welded to connect all be possible.For air-conditioning unit 100 to be assembled in stern Connect with the half-shell 2 of housing 2,3 with the fastening unit 4 on 200.The connection can be dismantled or non-detachable company Connect.In the present embodiment, half-shell 2 is removedly connected with fastening unit 4.

Air-conditioning unit 100 is configured with Inlet gas connector 7, can be by compressed air from outside by the Inlet gas connector Compressed air feedway is incorporated in air-conditioning unit 100.For being oriented to the flexible pipe of respiratory protection mask or protective cover Or the like connector 6 be arranged in as Inlet gas connector 7 on the phase homonymy of housing 2,3, but be arranged in air inlet company Connect the top of device 7.Additionally, interface 9 is arranged on the opposite side of air-conditioning unit 100, it is used for by flexible pipe or similar Thing exports compressed air to the handheld tool of compressed air-driven, such as blackwash sprayer.With the identical side of interface 9 on, But over that interface side is provided with an adjuster 8, the effect of the adjuster be that it is possible to guiding to respiratory protection mask or The pressure of the air of protective cover is adjusted.For safety reasons, adjuster 8 is designed such that, i.e. air-conditioning unit Air with predetermined pressure is constantly conveyed to respiratory protection mask or protective cover by 100, or even is set in adjuster 8 During to " minimum ".

When wishing, for the connector 6 being attached with respiratory protection mask or protective cover and/or for spray gun Interface 9 can be when air-conditioning unit 100 not be used by shielding cover or the like closing.

Preferably, air-conditioning unit 100 can be connected (not shown) with pressure display unit.

In preferred design, it is such as further illustrated in Fig. 7 A, 8A and 8, the second of air-conditioning unit 100 Half-shell 3 has keeper 5 can fasten or revolvable, and when spray gun, either respiratory protection mask or protective cover are not used When, spray gun or breathing air hose can be maintained on the keeper.As shown in FIG. 8B, both arms are designed here as First arm of keeper 5 is fixed on air-conditioning unit 100 by screw 11.Keeper 5 another, the second arm and first Arm hingedly connects and keeps in addition freely.It can be reversed relative to air-conditioning unit 100.

As shown in fig. 8 a, the second arm of keeper 5 can be rotated with the angle between 20 ° to 90 °, preferably with 70 ° of angle rotation.Furthermore it is preferred that being the first lock piece 52 of magnet, it is arranged on the free end of the second arm of keeper 5. Lock piece (preferably with the magnet) collective effect of lock piece 52 and second, second lock piece is arranged on air-conditioning unit On 100.In the ongoing illustrated embodiment, the second lock piece is fixed in the area of panel seat 51 at keeper 5, and the panel seat is arranged on guarantor On the non-free end in top of the first arm of gripping member 5.To sum up, keeper 5 can reliably be protected in the closed position not used Hold on air-conditioning unit 100.Further, it is preferred that as shown in Fig. 7 A and 7A, recessed groove 31 is embedded in To in the second half-shell 3 of housing.Groove 31 is dimensionally coordinated with keeper 5 in this wise, i.e., the second arm is flushed in closed position Insert in groove 31, until till the handle 500 of upper end.

Fig. 8 A and 8B respectively illustrates the fastening unit 4 of air-conditioning unit 100 in front view and rearview.Fastening is single Unit 4 includes connector 41,42, and it is adapted so that the first half-shell 2 of the housing of air-conditioning unit 100 connects with adapter 15 Connect, the adapter belongs to rump strap 200 (see Figure 10).

As shown in Fig. 8 A and 8B, fastening unit 4 in the ongoing illustrated embodiment is designed substantially elliptically First connector 41 has two hollow lug bosses 411, above and below it is arranged on connector 41 and it is in air The side of the first half-shell 2 of the housing of adjustment unit protrudes upward.Fastening perforation 412 is placed in each lug boss 411.The first half Shell 2 has corresponding fastener hole, and lug boss 411 is inserted in the fastener hole.As being further illustrated in the fig. 8b, Using screw 11, it passes through the panel seat 51 being up located on the first arm of keeper 5 with lower section tight through what is there inserted Solid hole 53, and next pass through the fastener hole in the half-shell 3 of first half-shell 2 and second of the housing of air-conditioning unit 100. Fastening unit 4 is fixed on lug boss 411 by bolt 12.In order to obtain particularly reliable fixation, be provided with for screw or The bolt block 413 of person's analog.

As shown in figures 9 b and 9, two sliding grooves 421 are provided with the adapter region 42 of securing member 4.Adapter area Domain 42 is circular on profile.De contact part 422 is away from the upside of adapter 42 from the side face in adapter region 42. The two parallel lug boss 421b stretched out from disc in the immediate vicinity of adapter 42 are accordingly provided for two cunnings The upside of the inwall 421a of one of dynamic groove 421.With regard to this, with mode of the invention can realize air-conditioning unit 100 with Connection between rump strap 200.

The rump strap 200 for illustrating in figures 10 and 11 includes waistband 13, and it is designed with liner 14 on the inside of it.Waistband 13 exists Its outside has the adapter 15 of the fastening unit 4 of air-conditioning unit 100.

Adapter 15 is with loading plate 151, the fixed plate 152 supported by loading plate 151 and relieving mechanism 153.Suitable Two guided ways 1521 are provided with orchestration 15, its in position and in shape with the cunning at the adapter region 42 of securing member 4 Dynamic groove 421 is coordinated.Stop part 1522 connects two guided ways in the lower end of guided way 1521；Stop part 1522 and two Therefore guided way 1521 essentially forms " u "-shaped.Each guided way 1521 includes flank 1521a, and it is convex from fixed plate 152 Go out.Two flank 1521a are arranged and along the width of waistband 13 in fixed plate 152 along the longitudinal direction of waistband 13 Extend parallel to each other.Part design above each flank 1521a has lug boss 1521b, and it is to the vertical of external waistband Stretch out in direction.Each lug boss 1521b is defined on the adapter region 42 of fixture 4 at fixed plate 152 Sliding groove 421 guide part or clip.

Relieving mechanism 153 has single-arm lever 153a and handle 153b, and it is connected with lever 153a.As in Fig. 10 may be used See, lever 153a is located above fixed plate 152 in the recess of part.Lever 153a is made up of the material of relative flexibility, therefore When pressure is applied on handle 153b, it can deform.In the present embodiment, lever 153a is integrally formed with fixed plate 152 And cut out from the plate 152.Handle 153b is integrally molded at the upper end of lever 153a.The surface of handle 153b is at this More than the surface of lever, the stop surface 153c being thus formed between handle 153b and lever 153a in embodiment.

Further illustrate in Fig. 10, how air-conditioning unit 100 passes through its adapter 15 in fastening unit 4 It is fixed on adapter region 42 in rump strap 200 and disassembles again from above.The guided way of the fixed plate 152 of adapter 15 The sliding groove in the 1521 adapter regions 42 that can be inserted into fastening unit 4 by downwardly directed pressure according to corresponding sensing In 421.Then because the lug boss 1521b of the lug boss 421b of sliding groove 421 and guided way 1521 is engaged with each other, air adjustment Unit 100 is securely fixed in rump strap 200.Stop part 1522 on adapter 15 limits slide downward, so as to prevent Undesirable decline of air-conditioning unit 100.The upper end of the de contact part 422 on fastening unit 4 prevents suitable The stop surface 153c of the relieving mechanism 153 of orchestration 15 and the undesirably contact of air-conditioning unit 100.

As shown in Figure 11, air-conditioning unit 100 can be removed from rump strap 200 in a straightforward manner.Pass through Bearing part pressing handle 153b in the direction of arrow 1 (Figure 11), namely towards rump strap 200 causes stopping on fastening unit 4 The stop surface 153c of gear contact 422 and lever 153a is not contacted, and relieving mechanism 153 is released and air-conditioning unit 100 can be removed by moving up in the direction of arrow 2 (Figure 11).

Although design is only had been described and illustrated with the sliding groove on the adapter region 42 of fastening unit 4 421 and the example of the guided way 152 on the adapter 15 of rump strap 200, but another aspect sliding groove can be arranged on adaptation On device and guided way can be arranged on fastening unit.Another type of sliding pin is either slidably connected or any other can tear open The connection unloaded, such as buckle and kayser connection is also all possible.

As also illustrated that in figures 9 a and 9b, the adapter 42 and connector 41 of fastening unit 4 is by thin hexagonal Nut 43 and screw 44 connect.Because adapter 42 is connected with connector 41, therefore the two can be with mutually rotating, therefore air is adjusted Section unit 100 (or the module being otherwise affixed on fastening unit 4) can be rotated (referring to reality before relative to rump strap 200 Apply Fig. 5 A to 5E of example).This provides further comfortableness for operator.

Additionally, as shown in Fig. 7 A and 7B, the design of air-conditioning unit 100 has coating coded system disk 10(CCS-Disc).In the present embodiment, round recess is inserted on the upside of the housing 2,3 of air-conditioning unit 100, The coating coded system disk 10 of same circle can be snapped in wherein.

Different air-conditioning units 100 can come personalized with the coating coded system disk of different coating.Or thus Can be corresponding from different activated carbon absorbers by different respiratory protection mask or protective cover in a straightforward manner.Other What fixed form and coating coded system form were certainly possible to.

It is certainly possible using other mark as coating coded system disk.By the mark under any circumstance All further improve the security of respiratory protection equipment.

Preferably, all parts or subassembly of air-conditioning unit 100 are manufactured from plastic.Possible in addition In design, two half-shells 2,3 of housing can have different colors.When the color and rump strap or adapter 15 of half-shell Solid colour when, can almost exclude loading error.

In another design of the present invention, rump strap has adapter of the invention at multiple positions.So Afterwards, but multiple identicals or it is different from each other, design with fastening unit of the invention and/or in shell area In design same or likely, the air preparatory unit of air-conditioning unit as previously described, such as air heater, it is empty Gas fogger or activated carbon absorber unit can be fixed on without any problems on stern band.

Two positions should be advantageously selected, it is later in user's after rump strap is put on by user The left side and right side of waist.Then, activated carbon absorber can transform to opposite side, therefore belt unit by user from side Can be used by left-handed person and right-handed person without any problems.

Last here emphasizes, foregoing merely illustrates the preferred design of the present invention, but the present invention receives this Limit.To those skilled in the art, the present invention can have different variants and change.Drop into the spirit of the present invention All should be covered by protection domain with all of variant and equivalent substitute, improvement project in principle.

Claims

1. a kind of fastening unit (100), it is characterised in that the fastening unit is designed for a module relative to another Module is fixed, and the fastening unit have for the first assembly part (1) of another module assembled and For the second components (2) with one module assembled, wherein, second components (2) can pass through described First assembly part (1) rotates predetermined angle relative to the first assembly part (1)；And the first and second sub-components (10,20) can be engaged with each other in multiple positions in the predetermined angular range.

2. fastening unit (100) according to claim 1, it is characterised in that the first assembly part (1) is including first Substrate (10), the first substrate by central through hole (11) through and with stop part (14), wherein, the stop part (14) it is arranged on the surface of the first substrate (10), so as to the stop part faces second components (2).

3. fastening unit (100) according to claim 2, it is characterised in that second components (2) are with second Substrate (20), hollow the first lug boss (21) is through the second substrate (2) and is placed to the central through hole (11) In, and the second lug boss (22) surrounds first lug boss (21), wherein, second lug boss (22) is with first Section (221) and the second section (222), the internal perisporium of first section is relative with the periphery wall of first lug boss and institute The periphery wall of the internal perisporium and first lug boss of stating the second section is limited for the gathering sill of the stop part (14) , and first section (221), second section (222), first lug boss (21) and the stop part (25) (14) coordinate, so as to second components (2) can be rotated with an angle, the angle is relative to the first assembly portion Divide the predetermined angular of (1).

4. fastening unit (100) according to claim 2, it is characterised in that the first assembly part (1) is with least One lock slots (15) and the stop part (14) is arranged in the similar face of the first substrate (10).

5. fastening unit (100) according to claim 4, it is characterised in that second components (2) are with least One stop pin (23), the stop pin can be pushed in the lock slots (15), so as to by second components (2) In being locked in the position of engagement.

6. fastening unit (100) according to claim 4, it is characterised in that multiple lock slots (15) in couples or It is preferred that arranging symmetric around the central axis of the central through hole (11).

7. fastening unit (100) according to claim 6, it is characterised in that second components (2) are with two Stop pin (23), the stop pin is inserted into in each of lock slots described in a pair (15), so as to by described second group During part part (2) is locked in the position of engagement.

8. fastening unit (100) according to claim 3, it is characterised in that first lug boss (21) is than described Two lug bosses (22) are high, so that the only only a part of first lug boss can be engaged to the central through hole (11) In.

9. fastening unit (100) according to claim 2, it is characterised in that the first assembly part (1) is with basic The profile of upper cylinder.

10. fastening unit (100) according to claim 3, it is characterised in that exist with the first head portion and first First screw (3) of hollow screw jut, spring (4) and the second spiral shell with the second head portion and hollow screw jut Nail (5), wherein, the first hollow screw jut can accommodate second hollow screw jut, and wherein institute State spring (4) and can push away and be put on the first hollow screw jut.

11. fastening units (100) according to claim 10, it is characterised in that first screw (3) can be from described Side residing for first assembly part (1) is in turn inserted into the hollow of the central through hole (11) and first lug boss In part, and the spring (4) and second screw (5) can in the side for being disposed with second components (2) In being sequentially inserted into the hollow parts of first lug boss (21) in combination, so as to be assembled in one with first screw (3) Rise.

12. fastening units (100) according to claim 3, it is characterised in that second components (2) are with extremely A few fastening part (24) that can be connected with the module (1).

13. fastening units (100) according to claim 12, it is characterised in that there is third round exterior feature and fourth contoured, its Described in third round exterior feature be positioned on the surface residing for first lug boss (21), and wherein described fourth contoured is positioned at On other substrate and relative to first lug boss (21) positioning.

14. fastening units (100) according to claim 3, it is characterised in that second components (2) are with use In at least one fastener hole of the fastening part for accommodating the module (1), and the fastener hole runs through the second substrate (20)。

15. fastening units (100) according to claim 13 or 14, it is characterised in that the fourth contoured can be installed To in the fastener hole of the module (1), and a screw can be encased in the hollow parts of the fourth contoured and institute State in the wide hollow parts of third round and can be fixed by nut.

16. fastening units (100) according to claim 15, it is characterised in that fastening part has described at least one First fastening section and the second fastening section, wherein, the first fastening section is arranged in the upper end of second components (2) Place, and the second fastening section is arranged in the lower end of second components (2).

17. fastening units (100) according to claim 10, it is characterised in that the first assembly part (1) is with enclosing Around the framework (12) of the central through hole (11).

18. fastening units (100) according to claim 17, it is characterised in that the framework (12) is with hexagonal Profile.

19. fastening units (100) according to claim 17 or 18, it is characterised in that the head of first screw Divide and there is the exterior contour matched with the in-profile of the framework (12).

20. fastening units (100) according to claim 18 and 19, it is characterised in that first screw (3) it is described Head portion has hexagonal exterior contour.

21. fastening units (100) according to claim 17 and 19, it is characterised in that the head of first screw Portion part has circular exterior contour, and the exterior contour is matched with the hexagonal in-profile of the framework (12).

22. according to fastening unit in any one of the preceding claims wherein (100), it is characterised in that the first assembly portion Divide (1) with least one stop part (14).

23. fastening units (100) according to claim 22, it is characterised in that the fastening unit (10) can pass through At least one slide rail is connected with adapter (42).

24. fastening units (100) according to claim 23, it is characterised in that the first assembly part (1) is with extremely (13,16), the lug boss can be with the adapter (42) collective effect for a few outwardly directed lug boss.

25. fastening units (100) according to claim 1, it is characterised in that the predetermined angle is less than 180 degree.

26. fastening units (100) according to claim 25, it is characterised in that the predetermined angle is 22.5 degree, And/or -22.5 degree, and/or 45 degree and/or -45 spend.

27. according to fastening unit in any one of the preceding claims wherein (100), it is characterised in that the fastening unit by Plastics are made.

28. fastening units (100) according to any one of claim 1 to 27, tie with the adapter (42) of rump strap (200) Close.

29., according to fastening unit in any one of the preceding claims wherein (4), are combined with air-conditioning unit (100).

30. air-conditioning units (100) according to claim 29, it is characterised in that the air-conditioning unit (100) Including：

- intake interface (9), so as to receive the compressed air from air supply unit；

- be used to be connected to the connector (6) of respiratory protection mask or protective cover；

- adapter (42), the adapter can be fixed on the body of the air-conditioning unit (100) or the housing (2,3) on or locate, and the adapter can removedly be connected with other component, especially sliding pin connection or slide Connection.

31. air-conditioning units (100) according to claim 30, it is characterised in that the adapter (42) being capable of profit Slidably connected with the corresponding guided way (1521) of the other component (15) with one or more sliding groove (421).

32. air-conditioning units (100) according to claim 30, it is characterised in that the adapter can utilize one Individual or multiple guided ways slidably connect with the corresponding sliding groove of the other component.

33. air-conditioning units (100) according to claim 30, it is characterised in that there is at least one lug boss (1521b), the lug boss can be clamped or can clamp.

34. air-conditioning units (100) according to claim 30, it is characterised in that by the fastening unit (4) and institute State housing (2,3) constitute a structure, to be rotated.

35. air-conditioning units (100) according to claim 34, it is characterised in that the housing (2,3) it is configured to, Engage with adapter (15) at multiple rotary angle positions.

36. air-conditioning units (100) according to claim 30, it is characterised in that adapter (42) is equipped with backstop Contact (422), after the adapter is slidably connected with the other part, the de contact part can lock institute State the de contact part (153c) of other part.

37. air-conditioning units (100) according to claim 29, it is characterised in that the air-conditioning unit (100) With keeper (5).

38. air-conditioning units (100) according to claim 37, it is characterised in that the keeper (5) at least branch Section ground relative to the housing (2,3) can deflect fixation.

39. air-conditioning units (100) according to claim 38, it is characterised in that deflection angle 20 degree and 90 degree it Between.

40. air-conditioning units (100) according to claim 39, it is characterised in that deflection angle is 70 degree.

41. air-conditioning units (100) according to claim 38 a, it is characterised in that lock piece (52) is fixed on At the free end of the keeper (5) and corresponding lock piece be fixed on the housing (2,3) place, so as to described When keeper (5) is folded, free end (5) kayser the housing (2,3) place.

42. air-conditioning units (100) according to claim 41, it is characterised in that the lock piece is magnet.

43. air-conditioning units (100) according to any one of claim 30 to 42, it is characterised in that the air Adjustment unit can be connected with pressure indicator.

44. air-conditioning units (100) according to any one of claim 30 to 43, it is characterised in that the air Adjustment unit has interface (9), for the handheld tool run with compressed air, such as blackwash sprayer or the like connection.

45. air-conditioning units (100) according to any one of claim 31 to 44, it is characterised in that the air Adjustment unit (100) is with identification piece (10).

46. air-conditioning units (100) according to any one of claim 31 to 45, it is characterised in that the air Adjustment unit (100) the housing (2,3) be made of plastics.

47. air-conditioning units (100) according to claim 46, it is characterised in that the air-conditioning unit (100) The housing (2,3) by two half-unit (2,3) constitute.

48. air-conditioning units (100) according to any one of claim 30 to 47 and/or according to claim 1 to Fastening unit (4) any one of 29, combines with belt unit (200).

49. belt units (200) according to claim 48, it is characterised in that the belt unit (200) is with least One adapter (15), the adapter can with the air-conditioning unit (100) and/or with the fastening unit (4) Removedly sliding pin connection.

50. belt units (200) according to claim 49, it is characterised in that the belt unit (200) is with being used for The air-conditioning unit (100) and/or the relieving mechanism (153) for the fastening unit (4).

51. belt units (200) according to claim 49, it is characterised in that be provided with least one guided way And at least one stop portion (1522) (1521).

52. belt units (200) according to claim 49, it is characterised in that be provided with least one gathering sill and extremely A few stop portion.

53. belt units (200) according to claim 49, it is characterised in that exist at least one insurance coverage (153, 1521b)。

54. belt units (200) according to any one of claim 50 to 54, it is characterised in that the relieving mechanism (153) it is leverage (5).

55. belt units (200) according to claim 54, it is characterised in that the lever (153a) is adapted to described Device (15) connects.

56. belt units (200) according to claim 55, it is characterised in that lever (153a) single armed ground and Cut out by the region of the adapter (15).

57. belt units (200) according to claim 55, it is characterised in that the lever (153a) is by flexible material Material is made.

58. belt units (200) according to claim 54, it is characterised in that the lever (153a) has handle (153b)。

59. belt units (200) according to claim 58, it is characterised in that in the lever (153a) and the hand There is at least one stop surface (153c) between handle (153b).

60. belt units (200) according to any one of claim 49 to 59, it is characterised in that described by pressing Handle (153b) releases the backstop of the de contact part (422) on the fastening unit (4) and the lever (153a) The contact in face (153c), can trigger the relieving mechanism (153) and can be by the air-conditioning unit (100) from described Belt unit is removed on (200).

61. belt units (200) according to any one of claim 49 to 60, it is characterised in that the air adjustment Unit (100) is placed with liner (14) in the side pad with the fastening unit (4).

62. belt units (200) according to any one of claim 49 to 61, it is characterised in that in multiple position energy Enough realize the connection of the fastening unit (4).