Sealing assembly for positive pressure protective clothing and positive pressure protective clothing
By combining the sealing parts and zippers of the convex and concave bone strips, the problem of complex and high cost of sealing technology of positive pressure protective clothing is solved, and the sealing effect with a simple structure and economical sealing effect is achieved, and the sealing performance of the protective clothing is improved.
Patent Information
- Application Number
- CN202011035332.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2040-09-27
AI Technical Summary
The sealing technology of existing positive pressure protective clothing is complex and costly, making it difficult to achieve a simple and economical sealing solution.
A seal and zipper combination is adopted that includes a convex and a concave bone strip. The convex and a concave bone strip are fixed by connecting grooves and sutures. The zipper is located outside the seal to withstand expansion tension to ensure the sealing effect.
It realizes a sealing component with a simple structure and low cost, and improves the sealing effect and convenience of positive pressure protective clothing.
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Figure CN112167743B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical protection, and more particularly to a sealing assembly for a positive pressure protective suit and a positive pressure protective suit having the sealing assembly. Background Art
[0002] Positive pressure biological protective clothing, also known as air-supplied protective clothing, is a special protective clothing that integrates functions such as protection of the head, face, body, hands, feet and respiratory system. Its main feature is that the gas pressure inside the protective clothing is higher than the ambient atmospheric pressure. Under the action of the internal and external pressure difference, it can achieve a high level of protection against harmful substances. It is a direct physical barrier to prevent personnel from being exposed to dangers such as aerosols, bioaerosols, radioactive dust, splashes and accidental contact.
[0003] Since the air pressure inside the positive pressure protective suit is higher than the external air pressure, the sealing technology of the positive pressure protective suit is particularly critical. In the related art, an airtight zipper is used as a sealing component of the positive pressure protective suit, but the airtight zipper has a complex structure and a high cost. Summary of the invention
[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.
[0005] To this end, an embodiment of one aspect of the present invention provides a sealing assembly for a positive pressure protective suit, which has a simple structure and low cost.
[0006] Another aspect of the present invention provides a positive pressure protective suit having the sealing assembly.
[0007] According to the first aspect of the present invention, a sealing assembly for a positive pressure protective suit includes: a sealing member, wherein the sealing member includes a convex bone bar and a concave bone bar, wherein one end of the concave bone bar is connected to one side of the positive pressure protective suit, and the concave bone bar has a connecting groove, wherein one end of the convex bone bar is connected to the other side of the positive pressure protective suit, and the other end of the convex bone bar can be fitted in the connecting groove, and the other end of the convex bone bar is tightly fitted with the inner wall surface of the connecting groove; a zipper, wherein the zipper includes a first chain belt and a second chain belt, wherein the first chain belt is connected to one side of the positive pressure protective suit, and the second chain belt is connected to the other side of the positive pressure protective suit, and the first chain belt and the second chain belt are both provided with chain teeth, and the chain teeth on the first chain belt and the chain teeth on the second chain belt can mesh with each other and can be separated from each other.
[0008] According to the sealing assembly for positive pressure protective clothing of the embodiment of the present invention, by providing mutually independent sealing members and zippers, the sealing structure and the force-bearing structure of the sealing assembly cooperate with each other, and the positive pressure protective clothing is sealed under the joint action of the sealing members and the zippers. Among them, the sealing member includes a convex bone bar and a concave bone bar, and the concave bone bar has a connecting groove. One end of the convex bone bar can be inserted into the connecting groove and fits tightly with the inner wall surface of the connecting groove, thereby forming a seal of the positive pressure protective clothing. The zipper is located on the outside of the sealing member, and the zipper is used to withstand the tension generated by the expansion of the positive pressure protective clothing, so that the sealing member is not affected by the tension.
[0009] In some embodiments, the convex bone strips and the concave bone strips are both sewn to the positive pressure protective suit by sutures.
[0010] In some embodiments, the convex bone strip is bent and includes a first convex bone portion, a second convex bone portion and a third convex bone portion, one end of the first convex bone portion is connected to the other side of the positive pressure protective suit, the other end of the first convex bone portion is connected to one end of the second convex bone portion, the other end of the second convex bone portion is connected to one end of the third convex bone portion, and the other end of the third convex bone portion can be fitted in the connecting groove and can be pulled out of the connecting groove.
[0011] In some embodiments, the convex bone strip further includes a convex head portion, the convex head portion is connected to the other end of the third convex bone portion, and the convex head portion can be fitted in the connecting groove and can be pulled out from the connecting groove.
[0012] In some embodiments, the concave bone strip is bent and includes a first concave bone portion, a first connecting portion, a second concave bone portion, a second connecting portion and a third concave bone portion, the first connecting portion connects the first concave bone portion and the second concave bone portion, the second connecting portion connects the second concave bone portion and the third concave bone portion, the first concave bone portion is connected to one side of the positive pressure protective clothing, and the connecting groove is formed between the second concave bone portion, the second connecting portion and the third concave bone portion.
[0013] In some embodiments, a length direction of the second concave bone portion is substantially parallel to a length direction of the third concave bone portion, and at least one of the first connecting portion and the second connecting portion is substantially arc-shaped.
[0014] In some embodiments, an end of the third concave bone portion away from the second connecting portion has a force acting toward the second concave bone portion.
[0015] The positive pressure protective clothing according to the second aspect of the present invention includes a protective suit, which is provided with a dressing opening; a sealing component, which is the sealing component for positive pressure protective clothing described in any of the above embodiments, and is arranged at the dressing opening; an air supply component, which is connected to the protective clothing and is used to supply air to the interior of the protective clothing; and an exhaust valve, which is arranged on the protective clothing.
[0016] According to the positive pressure protective clothing of the embodiment of the present invention, sealing components are arranged on both sides of the dressing opening to seal the positive pressure protective clothing. The sealing components have a simple structure and low cost.
[0017] In some embodiments, the protective clothing also includes a lapel portion, which includes a first lapel and a second lapel, the first lapel is arranged on one side of the dressing opening, and the second lapel is arranged on the other side of the dressing opening, the first lapel and the second lapel can be sealed and connected, and the sealing component is located on the inner side of the lapel portion.
[0018] In some embodiments, the positive pressure protective clothing further comprises a patch, wherein the patch has a first surface and a second surface, wherein the patch is bonded to the first lapel via the first surface, and wherein the patch is bonded to the second lapel via the second surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 Schematic diagram of a sealing assembly for a positive pressure protective suit according to an embodiment of the present invention.
[0020] Figure 2 yes Figure 1 An enlarged schematic diagram of a seal in a sealing assembly for a positive pressure protective suit.
[0021] Figure 3 yes Figure 1 An enlarged schematic diagram of the zipper used in the sealing assembly of a positive pressure protective suit.
[0022] Figure 4 Schematic diagram of a positive pressure protective suit according to an embodiment of the present invention.
[0023] Reference numerals:
[0024] Protective clothing 1, dressing opening 11, sealing member 2, convex bone strip 21, first convex bone portion 211, second convex bone portion 212, third convex bone portion 213, concave bone strip 22, first concave bone portion 221, first connecting portion 224, second concave bone portion 222, second connecting portion 225, third concave bone portion 223, connecting groove 23, convex head portion 24, zipper 3, first chain belt 31, second chain belt 32, chain teeth 33, zipper head 34, bottom stop 35, stitching 4, lapel portion 5, first lapel 51, second lapel 52, patch 6. DETAILED DESCRIPTION
[0025] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0026] like Figure 1-Figure 3 As shown, the sealing assembly for the positive pressure protective clothing according to the embodiment of the present invention comprises a sealing member 2 and a zipper 3 .
[0027] Specifically, Figure 1 As shown, the positive pressure protective suit is provided with a dressing opening 11 , through which the user puts on the positive pressure protective suit.
[0028] The sealing member 2 includes a convex bone strip 21 and a concave bone strip 22. One end of the concave bone strip 22 (such as Figure 1 The inner side of the concave bone strip 22) and one side of the positive pressure protective clothing (such as Figure 1 The concave bone strip 22 has a connecting groove 23, and one end of the convex bone strip 21 (as shown in Figure 1 The left end of the middle convex bone strip 21) and the other side of the positive pressure protective clothing (such as Figure 1 The other end of the convex bone strip 21 (as shown in Figure 1 The right end of the middle convex bone bar 21 can be fitted into the connecting groove 23 , and the other end of the convex bone bar 21 and the inner wall surface of the connecting groove 23 are tightly fitted.
[0029] The zipper 3 includes a first chain belt 31 and a second chain belt 32. The first chain belt 31 is connected to one side of the positive pressure protective clothing (such as Figure 1 The second chain belt 32 is connected to the left side of the dressing opening 11 shown in the figure, and the second chain belt 32 is connected to the other side of the positive pressure protective clothing (as shown in the figure). Figure 1 The first chain belt 31 and the second chain belt 32 are both provided with sprockets 33, and the sprockets 33 on the first chain belt 31 and the sprockets 33 on the second chain belt 32 can mesh with each other and can be separated from each other.
[0030] like Figure 3 As shown, the zipper 3 includes a first chain belt 31, a second chain belt 32, a sprocket 33, a zipper head 34 and a bottom stop 35. The lower end of the first chain belt 31 and the lower end of the second chain belt 32 are both connected to the bottom stop 35, the left side of the zipper head 34 is connected to the sprocket 33 on the first chain belt 31, and the right side of the zipper head 34 is connected to the sprocket 33 on the second chain belt 32. Under the action of the zipper head 34, the sprocket 33 on the first chain belt 31 and the sprocket 33 on the second chain belt 32 can mesh with each other and can be separated from each other. Preferably, the zipper 3 is located on the outside of the sealing member 2, and the zipper 3 can be a metal zipper or a plastic zipper.
[0031] According to the sealing assembly for positive pressure protective clothing of the embodiment of the present invention, by providing mutually independent sealing members and zippers, the sealing structure and the force-bearing structure of the sealing assembly cooperate with each other, and the positive pressure protective clothing is sealed under the joint action of the sealing members and the zippers. Among them, the sealing member includes a convex bone bar and a concave bone bar, and the concave bone bar has a connecting groove. One end of the convex bone bar can be inserted into the connecting groove and fits tightly with the inner wall surface of the connecting groove, thereby forming a seal of the positive pressure protective clothing. The zipper is located on the outside of the sealing member, and the zipper is used to withstand the tension generated by the expansion of the positive pressure protective clothing, so that the sealing member is not affected by the tension.
[0032] In some embodiments, the convex bone strip 21 and the concave bone strip 22 are both sewn to the positive pressure protective suit by sutures 4.
[0033] like Figure 1 As shown, the left end of the convex bone strip 21 is sewn to the left side of the dressing opening through the stitching 4, and the inner end of the concave bone strip 22 is sewn to the left side of the dressing opening through the stitching 4. The convex bone strip 21 and the concave bone strip 22 cooperate with each other to seal the positive pressure protective clothing.
[0034] In some embodiments, the convex bone strip 21 is bent and includes a first convex bone portion 211, a second convex bone portion 212 and a third convex bone portion 213. One end of the first convex bone portion 211 (such as Figure 2 The left end of the first convex bone portion 211 in the middle) is connected to the other side of the positive pressure protective suit, and the other end of the first convex bone portion 211 (such as Figure 2 The right end of the first convex bone portion 211) and one end of the second convex bone portion 212 (such as Figure 2 The left end of the second convex bone portion 212 is connected to the other end of the second convex bone portion 212 (such as Figure 2 The right end of the second convex bone portion 212) and one end of the third convex bone portion 213 (such as Figure 2 The other end of the third convex bone portion 213 (such as Figure 2 The right end of the third convex bone portion 213 can be fitted into the connecting groove 23 and can be pulled out from the connecting groove 23.
[0035] like Figure 2 As shown, the convex bone strip 21 is bent, the left end of the first convex bone portion 211 is connected to the left side of the dressing opening 11, the second convex bone portion 212 is used to connect the first convex bone portion 211 and the third convex bone portion 213, the right end of the third convex bone portion 213 can be inserted into the connecting groove 23 and can be pulled out from the connecting groove 23, the outer peripheral surface of the right end of the third convex bone portion 213 is tightly fitted with the inner peripheral surface of the connecting groove 23, so that external pathogens cannot enter the interior of the positive pressure protective clothing.
[0036] In some embodiments, the convex bone strip 21 further includes a convex head 24 , which is connected to the other end of the third convex bone portion 213 . The convex head 24 can be fitted into the connecting groove 23 and can be pulled out from the connecting groove 23 .
[0037] like Figure 2 As shown, the convex head 24 is connected to the right end of the third convex bone part 213, and the concave bone strip 22 is made of elastic material. The convex head 24 is suitable for fitting at the bottom of the connecting groove 23 to improve the connection stability of the convex bone strip 21 and the concave bone strip 22.
[0038] In some embodiments, the concave bone strip 22 is bent and includes a first concave bone portion 221, a first connecting portion 224, a second concave bone portion 222, a second connecting portion 225 and a third concave bone portion 223. The first connecting portion 224 connects the first concave bone portion 221 and the second concave bone portion 222, the second connecting portion 225 connects the second concave bone portion 222 and the third concave bone portion 223, the first concave bone portion 221 is connected to one side of the positive pressure protective clothing, and a connecting groove 23 is formed between the second concave bone portion 222, the second connecting portion 225 and the third concave bone portion 223.
[0039] like Figure 2 As shown, the concave bone strip 22 is bent, the right end of the first concave bone portion 221 is connected to the right side of the dressing opening 11, the left end of the first concave bone portion 221 is connected to one end of the first connecting portion 224, the other end of the first connecting portion 224 is connected to the left end of the second concave bone portion 222, the right end of the second concave bone portion 222 is connected to one end of the second connecting portion 225, and the other end of the second connecting portion 225 is connected to the right end of the third concave bone portion 223. The left end of the third concave bone portion 223 extends toward the left end of the second concave bone portion 222, and the U-shaped groove surrounded by the second concave bone portion 222, the second connecting portion 225 and the third concave bone portion 223 is the connecting groove 23.
[0040] In some embodiments, the length direction of the second concave bone portion 222 is substantially parallel to the length direction of the third concave bone portion 223 , and at least one of the first connecting portion 224 and the second connecting portion 225 is substantially arc-shaped.
[0041] like Figure 2 As shown, the second concave bone portion 222 extends in the left-right direction, the third concave bone portion 223 extends in the left-right direction, and the second concave bone portion 222 and the third concave bone portion 223 are substantially parallel. The first connecting portion 224 and the second connecting portion 225 are both arc-shaped.
[0042] In some embodiments, one end of the third concave bone portion 223 away from the second connecting portion 225 has a force acting toward the second concave bone portion 222 .
[0043] like Figure 2As shown, the concave bone strip 22 is made of elastic material as a whole, and the concave bone strip 22 has tension and elastic restoring force. The left end of the third concave bone portion 223 approaches the left end of the second concave bone portion 222, and the size of the opening of the connecting groove 23 along the inner and outer directions is smaller than the size of the bottom of the connecting groove 23. When the convex bone strip 22 is fitted in the connecting groove 23, the third concave bone portion 223 will press the convex bone strip 22 under the action of its elastic restoring force, thereby making the outer peripheral surface of the convex bone strip 22 and the inner peripheral surface of the connecting groove 23 tightly combined, so that the sealing effect of the seal 2 is better.
[0044] Please refer to the following Figure 1-4 A positive pressure protective suit according to an embodiment of the present invention is described. Figure 1 and Figure 4 As shown, the positive pressure protective clothing according to an embodiment of the present invention includes a protective suit 1, a sealing component, an air supply component (not shown) and an exhaust valve (not shown).
[0045] The protective clothing 1 is provided with a dressing opening 11. Figure 4 As shown, the dressing opening 11 is arranged on the protective clothing 1 at a position corresponding to the chest of the user, and the user enters the protective clothing 1 through the dressing opening 11 .
[0046] The sealing component is a sealing component for positive pressure protective clothing according to an embodiment of the present invention, and the sealing component is arranged at the clothing opening 11. Figure 1 and Figure 4 As shown, the sealing assembly includes a convex bone strip 21, a concave bone strip 22, a first chain belt 31 and a second chain belt 32. The convex bone strip 21 and the first chain belt 31 are arranged on the left side of the dressing opening 11, and the concave bone strip 22 and the second chain belt 32 are arranged on the right side of the dressing opening 11. The convex bone strip 21 and the concave bone strip 22 cooperate with each other to seal the protective clothing 1, and the first chain belt 31 and the second chain belt 32 cooperate to withstand the tension after the protective clothing 1 expands.
[0047] The air supply assembly is connected to the protective clothing 1 , and the air supply assembly is used to supply air to the interior of the protective clothing 1 .
[0048] The exhaust valve is provided on the protective clothing 1. Preferably, the exhaust valve is a one-way exhaust valve, the inlet of the one-way exhaust valve is located inside the protective clothing 1, and the outlet of the one-way exhaust valve is located outside the protective clothing 1. When the air pressure inside the protective clothing 1 exceeds the threshold of the one-way exhaust valve, the gas inside the protective clothing 1 is discharged.
[0049] According to the positive pressure protective clothing of the embodiment of the present invention, sealing components are arranged on both sides of the dressing opening to seal the positive pressure protective clothing. The sealing components have a simple structure and low cost.
[0050] In some embodiments, the protective clothing 1 further includes a collar portion 5, the collar portion 5 includes a first collar 51 and a second collar 52, the first collar 51 is arranged on one side of the clothing opening 11 (such as Figure 1The second placket 52 is disposed on the other side of the dressing opening 11 (such as Figure 1 The first and second lapel 51 and 52 can be sealed and connected, and the sealing component is located on the inner side of the lapel portion 5.
[0051] like Figure 4 As shown, the first lapel 51 is arranged on the left side of the dressing opening 11, and the second lapel 52 is arranged on the right side of the dressing opening 11. The outer side of the first lapel 51 and the inner side of the second lapel 52 can be sealed and connected, thereby further improving the sealing effect of the protective clothing 1.
[0052] In some embodiments, the positive pressure protective clothing further comprises a patch 6 having a first surface (eg, Figure 1 The inner surface of the middle patch 6) and the second surface (such as Figure 1 The outer surface of the middle patch 6), the patch 6 is bonded to the first collar 51 through the first surface, and the patch 6 is bonded to the second collar 52 through the second surface.
[0053] like Figure 1 As shown, the patch 6 is a double-sided patch, and the inner surface of the patch 6 is firstly attached to the outer surface of the first collar 51, and then the inner side of the second collar 52 is attached to the outer surface of the patch 6. Thus, the first collar 51 and the second collar 52 are sealed to improve the sealing effect of the protective clothing 1.
[0054] Preferably, if Figure 4 As shown, the patch 6 can also be a single-sided patch. The patch 6 is attached to the outer side of the first collar 51 . The patch 6 tightly connects the first collar 51 and the outer surface of the protective clothing 1 to improve the sealing effect of the protective clothing 1 .
[0055] Please refer to the following Figure 1-4 Some specific exemplary positive pressure protective clothing according to the present invention are described.
[0056] like Figure 1-4 As shown, the positive pressure protective clothing according to the embodiment of the present invention includes a protective garment 1, a seal 2, a zipper 3, a stitch 4, and a patch 6.
[0057] The protective clothing 1 is provided with a dressing opening 11 .
[0058] The sealing member 2 comprises a convex rib 21 and a concave rib 22 .
[0059] The concave bone strip 22 includes a first concave bone portion 221, a first connecting portion 224, a second concave bone portion 222, a second connecting portion 225 and a third concave bone portion 223. The right end of the first concave bone portion 221 is connected to the right side of the clothing opening 11 by a suture 4, the left end of the first concave bone portion 221 is connected to one end of the first connecting portion 224, the other end of the first connecting portion 224 is connected to the left end of the second concave bone portion 222, the right end of the second concave bone portion 222 is connected to one end of the second connecting portion 225, and the other end of the second connecting portion 225 is connected to the right end of the third concave bone portion 223.
[0060] The left end of the third concave portion 223 approaches the left end of the second concave portion 222 , and the U-shaped groove surrounded by the second concave portion 222 , the second connecting portion 225 and the third concave portion 223 is the connecting groove 23 .
[0061] The convex bone strip 21 includes a first convex bone portion 211, a second convex bone portion 212, a third convex bone portion 213 and a boss portion 24. The left end of the first convex bone portion 211 is connected to the left side of the clothing opening 11 by a suture 4, the second convex bone portion 212 is used to connect the first convex bone portion 211 and the third convex bone portion 213, the convex head portion 24 is connected to the right end of the third convex bone portion 213, the right end of the third convex bone portion 213 can be inserted into the connecting groove 23, and the convex head portion 24 is suitable for fitting at the bottom of the connecting groove 23.
[0062] The zipper 3 is located outside the sealing member 2, and includes a first chain belt 31, a second chain belt 32, sprockets 33, a zipper head 34, and a bottom stop 35. The lower end of the first chain belt 31 and the lower end of the second chain belt 32 are both connected to the bottom stop 35, the left side of the zipper head 34 is connected to the sprockets 33 on the first chain belt 31, and the right side of the zipper head 34 is connected to the sprockets 33 on the second chain belt 32. Under the action of the zipper head 34, the sprockets 33 on the first chain belt 31 and the sprockets 33 on the second chain belt 32 can mesh with each other and can be separated from each other.
[0063] The protective clothing 1 includes a collar portion 5 , which includes a first collar 51 and a second collar 52 . The first collar 51 is arranged on the left side of the clothing opening 11 , and the second collar 52 is arranged on the right side of the clothing opening 11 .
[0064] The patch 6 is a double-sided patch. The inner surface of the patch 6 is attached to the outer surface of the first collar 51 , and the inner side of the second collar 52 is attached to the outer surface of the patch 6 .
[0065] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.
[0066] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0067] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0068] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0069] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0070] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.
Claims
1. A sealing assembly for positive pressure protective clothing, characterized in that: include: A sealing member, wherein the sealing member comprises a convex bone bar and a concave bone bar, one end of the concave bone bar is connected to one side of the positive pressure protective clothing, the concave bone bar has a connecting groove, one end of the convex bone bar is connected to the other side of the positive pressure protective clothing, the other end of the convex bone bar can be fitted in the connecting groove, and the other end of the convex bone bar is tightly fitted with the inner wall surface of the connecting groove; the concave bone bar is bent and comprises a first concave bone portion, a first connecting portion, a second concave bone portion, a second connecting portion and a third concave bone portion, the first connecting portion connects the first concave bone portion and the second concave bone portion, the second connecting portion connects the second concave bone portion and the third concave bone portion, the first concave bone portion is connected to one side of the positive pressure protective clothing, and the connecting groove is formed between the second concave bone portion, the second connecting portion and the third concave bone portion; the length direction of the second concave bone portion is substantially parallel to the length direction of the third concave bone portion, and the first connecting portion and the second connecting portion are both arc-shaped; A zipper, wherein the zipper comprises a first chain belt and a second chain belt, wherein the first chain belt is connected to one side of the positive pressure protective clothing, and the second chain belt is connected to the other side of the positive pressure protective clothing, and the first chain belt and the second chain belt are both provided with sprockets, and the sprockets on the first chain belt and the sprockets on the second chain belt can mesh with each other and can be separated from each other.
2. The sealing assembly for positive pressure protective clothing according to claim 1, characterized in that: The convex bone strips and the concave bone strips are both sewn onto the positive pressure protective clothing by sutures.
3. The sealing assembly for positive pressure protective clothing according to claim 1, characterized in that: The convex bone strip is bent and includes a first convex bone portion, a second convex bone portion and a third convex bone portion, one end of the first convex bone portion is connected to the other side of the positive pressure protective clothing, the other end of the first convex bone portion is connected to one end of the second convex bone portion, the other end of the second convex bone portion is connected to one end of the third convex bone portion, and the other end of the third convex bone portion can be fitted in the connecting groove and can be pulled out of the connecting groove.
4. The sealing assembly for positive pressure protective clothing according to claim 3, characterized in that: The convex bone strip also includes a convex head portion, which is connected to the other end of the third convex bone portion. The convex head portion can be fitted in the connecting groove and can be pulled out from the connecting groove.
5. The sealing assembly for positive pressure protective clothing according to claim 1, characterized in that: One end of the third concave bone portion away from the second connecting portion has a force acting toward the second concave bone portion.
6. A positive pressure protective suit, characterized in that: include: Protective clothing, wherein the protective clothing is provided with a dressing opening; A sealing component, wherein the sealing component is a sealing component for positive pressure protective clothing according to any one of claims 1 to 5, and the sealing component is arranged at the clothing opening; An air supply component, the air supply component is connected to the protective clothing, and the air supply component is used to supply air to the interior of the protective clothing; An exhaust valve is provided on the protective clothing.
7. The positive pressure protective clothing according to claim 6, characterized in that: The protective clothing also includes a lapel portion, which includes a first lapel and a second lapel. The first lapel is arranged on one side of the dressing opening, and the second lapel is arranged on the other side of the dressing opening. The first lapel and the second lapel can be sealed and connected, and the sealing component is located on the inner side of the lapel portion.
8. The positive pressure protective clothing according to claim 7, characterized in that: It also includes a patch, which has a first surface and a second surface. The patch is attached to the first placket via the first surface, and the patch is attached to the second placket via the second surface.
Citation Information
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Enclosed weather diving suit
CN2067252U
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Sealing assembly for positive pressure protective clothing and positive pressure protective clothing
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