阅读说明：本技术 非金属内胆全缠绕气瓶的阀座和非金属内胆全缠绕气瓶 (Valve seat of gas cylinder with fully-wound non-metal liner and gas cylinder with fully-wound non-metal liner ) 是由 郭淑芬 刘冬明 于 2020-04-28 设计创作，主要内容包括：一种非金属内胆全缠绕气瓶的阀座和非金属内胆全缠绕气瓶,包括：座体部和座口部,所述座体部设于非金属内胆全缠绕气瓶的非金属内胆的端部开口处以与所述非金属内胆相连,所述座口部从所述座体部的外端面上凸出设置,且所述座体部的外端面上设有沿径向凸出的凸起部,所述非金属内胆全缠绕气瓶的缠绕层适于缠绕于所述凸起部。本申请的非金属内胆全缠绕气瓶的阀座,通过在座体部设置凸起部相比于现有技术中座体部的外表面为光滑表面的结构设计,当气瓶缠绕时凸起部可以嵌入到缠绕层中,阀座能够将受到的部分冲击力通过凸起部传递给缠绕层,而不会直接与缠绕层发生相对移动致与非金属内胆硬性接触,从而减小传递给非金属内胆的撞击力。(The utility model provides a disk seat and nonmetal inner bag of nonmetal inner bag full winding gas cylinder, includes: seat body portion and seat mouth portion, the tip opening department of the nonmetal inner bag of nonmetal inner bag full winding gas cylinder is located in seat body portion with nonmetal inner bag links to each other, the seat mouth portion is followed the setting of protrusion on the outer terminal surface of seat body portion, just be equipped with on the outer terminal surface of seat body portion along radial convex bellying, the winding layer of nonmetal inner bag full winding gas cylinder be suitable for twine in the bellying. The utility model provides a disk seat of nonmetal inner bag full winding gas cylinder compares in prior art the surface of seat portion for the structural design of smooth surface through setting up the bellying at the seat portion, and the bellying can be embedded into the winding layer when the gas cylinder winding, and the disk seat can pass through the bellying with the partial impact force that receives and transmit for the winding layer, and can directly not take place relative movement with the winding layer and send and the rigid contact of nonmetal inner bag to reduce the impact of transmitting for nonmetal inner bag.)

1. The utility model provides a disk seat (1) of nonmetal inner bag full winding gas cylinder which characterized in that includes: seat body portion (11) and seat mouth portion (12), the tip opening department of the nonmetal inner bag (2) of nonmetal inner bag full winding gas cylinder (100) is located in seat body portion (11) with nonmetal inner bag (2) link to each other, seat mouth portion (12) are followed the protrusion sets up on the outer terminal surface of seat body portion (11), just be equipped with on the outer terminal surface of seat body portion (11) along radial convex bellying, winding layer (3) of nonmetal inner bag full winding gas cylinder (100) be suitable for twine in the bellying.

2. Valve seat (1) of a non-metallic liner fully wrapped gas cylinder according to claim 1, characterized in that the boss and the seat mouth portion (12) are arranged spaced apart in the radial direction of the seat body portion (11).

3. The valve seat (1) of a non-metallic liner fully wrapped gas cylinder according to claim 1 or 2, characterized in that the boss portion is plural, and the plural boss portions are arranged at intervals in the circumferential direction of the seat body portion (11).

4. The valve seat (1) of a non-metallic liner fully wrapped gas cylinder according to claim 1 or 2, characterized in that the boss portion is plural, and the plural boss portions are arranged at intervals in a radial direction of the seat body portion (11).

5. The valve seat (1) of a non-metallic liner fully wrapped gas cylinder according to claim 1 or 2, characterized in that the protrusions are in a plurality of groups, the plurality of groups of protrusions are arranged at intervals along the circumference of the seat portion (11), each group of protrusions comprises a plurality of sub-protrusions arranged at intervals along the radial direction of the seat portion (11).

6. Valve seat (1) of a non-metallic liner fully wrapped gas cylinder according to claim 5, characterized in that the sub-boss comprises a boss (13), the axis of the boss (13) being spaced parallel to the axis of the seat portion (11).

7. The valve seat (1) of the non-metal liner fully-wrapped gas cylinder according to claim 1 or 2, characterized in that the protruding portion comprises a protruding rib (14), and the protruding rib (14) extends along the radial direction of the seat body portion (11) and is arranged obliquely along the circumferential direction.

8. The valve seat (1) of the gas cylinder with the fully-wound non-metal liner according to claim 7, wherein the plurality of the raised ribs (14) are arranged at intervals along the circumferential direction of the seat body part (11), and the angles of inclination of any two raised ribs (14) along the circumferential direction are the same.

9. The valve seat (1) of the gas cylinder with the fully-wound non-metal liner as claimed in claim 1 or 2, wherein the height of the boss is H, the length of the boss is L, and the width of the boss is D, so that the following requirements are met: h is more than or equal to 0.1mm and less than or equal to 10mm, L is more than or equal to 0.1mm and less than or equal to 10mm, and D is more than or equal to 0.1mm and less than or equal to 10 mm.

10. A gas cylinder (100) with a fully wrapped non-metallic liner, characterized in that it is provided with a valve seat (1) of a gas cylinder with a fully wrapped non-metallic liner according to any of claims 1-9.

Technical Field

The application relates to a valve seat of a nonmetal liner fully-wound gas cylinder and a nonmetal liner fully-wound gas cylinder with the valve seat.

Background

In the related technology, the basic structure of the nonmetal liner fully-wound gas cylinder is that the nonmetal liner and the metal valve seat are connected together by injection molding, adhesive bonding or other methods and then are wound with fibers. But the outer wall of metal disk seat is comparatively smooth, and this makes the metal disk seat pass through the fibre winding back, and the binding power between metal disk seat and the fibre winding layer is less to lead to when the bottleneck that leads to at nonmetal inner bag full winding gas cylinder received the axial impact force, the metal disk seat can transmit the axial force for nonmetal inner bag, causes nonmetal inner bag's structural damage, and the security is relatively poor, exists the space of improvement.

Disclosure of Invention

In view of this, this application aims at providing a disk seat of nonmetal inner bag full winding gas cylinder, and the installation stability of disk seat is high, can transmit the axial impact force for outside winding layer to reduce the axial force that nonmetal inner bag received.

In order to achieve the purpose, the technical scheme of the application is realized as follows:

a valve seat of a non-metal liner fully-wound gas cylinder comprises: seat body portion and seat mouth portion, the tip opening department of the nonmetal inner bag of nonmetal inner bag full winding gas cylinder is located in seat body portion with nonmetal inner bag links to each other, the seat mouth portion is followed the setting of protrusion on the outer terminal surface of seat body portion, just be equipped with on the outer terminal surface of seat body portion along radial convex bellying, the winding layer of nonmetal inner bag full winding gas cylinder be suitable for twine in the bellying.

Further, the boss portion is arranged spaced apart from the pocket portion in a radial direction of the pocket portion.

Further, the boss portion is a plurality of, and a plurality of the boss portions are arranged at intervals along the circumferential direction of the seat portion.

Further, the boss portion is plural, and the plural boss portions are arranged at intervals in a radial direction of the seat portion.

Further, the raised portions are in multiple groups, the multiple groups of raised portions are arranged at intervals along the circumferential direction of the seat body portion, and each group of raised portions comprises multiple sub-raised portions arranged at intervals along the radial direction of the seat body portion.

Further, the sub-boss includes a boss having an axis spaced apart from and parallel to an axis of the seat portion.

Further, the protruding portion comprises a protruding rib, and the protruding rib extends along the radial direction of the seat body portion and is arranged in a circumferential inclined mode.

Furthermore, protruding rib is a plurality of, a plurality of protruding rib is along the circumference interval setting of seat body portion, and arbitrary two protruding rib is the same along the angle of circumference slope.

Further, the height of bellying is H, the length of bellying is L, the width of bellying is D, satisfies: h is more than or equal to 0.1mm and less than or equal to 10mm, L is more than or equal to 0.1mm and less than or equal to 10mm, and D is more than or equal to 0.1mm and less than or equal to 10 mm.

Compared with the prior art, the valve seat of the nonmetal inner container full-winding gas cylinder has the following advantages:

according to the disk seat of nonmetal inner bag full winding gas cylinder of this application embodiment, compare in prior art the surface of seat portion for smooth surface's structural design through setting up the bellying at the seat portion, when the gas cylinder winding, the bellying of the seat portion surface of disk seat can be embedded into the winding layer, thus, when the disk seat receives axial shock, the disk seat can pass through the bellying with the impact force of part and transmit for the winding layer, and can not directly take place relative movement with the winding layer and send and nonmetal inner bag rigid contact, thereby reduce the impact of transmitting for nonmetal inner bag, improve the security and the reliability of nonmetal inner bag, guarantee that nonmetal inner bag full winding gas cylinder can be used safely for a long time.

Another object of this application is to provide a cylinder with a fully wrapped non-metallic liner, which is provided with the valve seat of the cylinder with a fully wrapped non-metallic liner according to any of the above embodiments.

Compared with the prior art, the advantages of the fully-wound gas cylinder with the non-metal liner and the valve seat are the same, and are not described again.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

FIG. 1 is a schematic structural view of a fully-wrapped gas cylinder with a non-metallic liner according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a valve seat of a fully wrapped gas cylinder with a non-metallic liner according to some embodiments of the present disclosure;

FIG. 3 is a schematic view (another view) of a valve seat of a fully wrapped cylinder with a non-metallic inner container according to some embodiments of the present application;

FIG. 4 is a schematic structural view of a valve seat of a fully wrapped cylinder with a non-metallic liner according to other embodiments of the present application;

fig. 5 is a schematic structural view (another view) of a valve seat of a fully wrapped gas cylinder with a non-metallic liner according to other embodiments of the present application.

Description of reference numerals:

the non-metallic liner is fully wrapped around the gas cylinder 100,

valve seat 1, seat body 11, seat mouth 12, convex column 13, convex rib 14, venthole 15,

a non-metal inner container 2 and a winding layer 3.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, a disk seat 1 of nonmetal inner bag full winding gas cylinder, this disk seat 1 is great with winding layer 3's joint strength, and when disk seat 1 received outside axial impact force, disk seat 1 can transmit axial impact force for winding layer 3 effectively to reduce the impact force of transmitting for nonmetal inner bag 2 of nonmetal inner bag full winding gas cylinder 100, avoid nonmetal inner bag 2 structure to receive destruction, improve nonmetal inner bag full winding gas cylinder 100's security.

It should be noted that the valve seat 1 of the present application is installed at the end of the non-metal liner 2 of the non-metal liner fully-wound gas cylinder 100 to form the mouth of the non-metal liner fully-wound gas cylinder 100, wherein the non-metal liner 2 is made of a non-metal material and has a relatively low hydrogen permeability to ensure that hydrogen is effectively stored, and the valve seat 1 can be solidified and molded by fiber winding after being connected with the non-metal liner 2 through injection molding, gluing or other methods. Wherein, non-metallic inner bag 2's structural strength is lower, twines in non-metallic inner bag 2 outside winding layer 3 for carbon fibre and thermosetting resin constitute, and winding layer 3's structural strength is greater than non-metallic inner bag 2's structural strength, and like this, main atress load can be born on winding layer 3 to guarantee non-metallic inner bag 2's structural stability.

As shown in fig. 1 to 5, the valve seat 1 of the cylinder with the fully-wound non-metal liner of the present application comprises: a seat portion 11 and a seat mouth portion 12. The seat body 11 and the seat mouth 12 are fixedly connected or integrally formed as shown in fig. 1, so that when an external impact force is applied to the outside of the seat mouth 12, the seat body 11 and the seat mouth 12 can bear the impact force together.

As shown in fig. 1, the seat body 11 is disposed at the opening of the end of the non-metal liner 2 of the gas cylinder 100, which is fully wound around the non-metal liner 2, so as to be connected to the non-metal liner 2, as shown in fig. 1, the end of the non-metal liner 2 has an opening to open the end of the non-metal liner 2, the seat body 11 is installed at the end of the non-metal liner 2 to close the opening of the end, and the seat opening 12 is protruded from the outer end surface of the seat body 11. As shown in fig. 2 to 5, the seat portion 11 is configured to be circular truncated cone, the end of the seat portion 11 with a smaller radial dimension is located inside the non-metal liner 2, the end face of the seat portion 11 with a larger radial dimension faces the outside of the non-metal liner 2 and forms the outer end face of the seat portion 11, and the free end of the seat opening portion 12 is configured to be cylindrical.

As shown in fig. 2 to 5, the seat mouth portion 12 is provided to protrude from the outer end surface of the seat body portion 11 in the radial direction. The valve seat 1 has a vent hole 15, and the vent hole 15 penetrates the valve seat 1 in the axial direction, that is, the vent hole 15 penetrates the seat portion 11 and the seat opening portion 12 in order to communicate the internal space of the non-metal liner 2 with the outside.

As shown in fig. 2 to 5, a protrusion is disposed on an outer end surface of the base portion 11, the protrusion protrudes along a radial direction of the base portion 11, and the winding layer 3 of the gas cylinder 100 fully wound around the nonmetallic liner is adapted to be wound around the protrusion. It should be noted that, the winding layer 3 is composed of carbon fiber and thermosetting resin, in the process of winding and forming the non-metal liner 2 and the valve seat 1, the winding layer 3 is firstly wound on the outer surfaces of the non-metal liner 2 and the valve seat 1, and after the winding is completed, the gas cylinder is cured, and the winding layer 3, the non-metal liner 2 and the valve seat 1 are connected into a whole after the curing. This application is through setting up the bellying on the outer terminal surface of seat body 11, and after the winding solidification was accomplished, winding layer 3 can with bellying in close contact with, because the bellying is embedded into winding layer 3 and has improved the joint strength of winding layer 3 with seat body 11.

It can be understood that, the bellying is along the radial extension of the outer terminal surface of pedestal portion 11, like this, through twine winding layer 3 outside the bellying, this makes the bellying can play radial, the spacing effect of circumference to disk seat 1, winding layer 3 accessible bellying is radial, circumference is spacing effectively to disk seat 1, avoid disk seat 1 to take place the relative rotation with nonmetal inner bag 2 in the in-process of using, or the problem of disk seat 1 for nonmetal inner bag 2 along axial displacement appears, improve the stability that disk seat 1 is connected with nonmetal inner bag 2.

Secondly, it should explain, this application sets up the bellying and compares in prior art the surface of seat portion 11 for smooth surface's structural design, when gas cylinder 100 twines, the bellying of the surface of seat portion 11 of disk seat 1 can be embedded into winding layer 3, thus, when disk seat 1 receives axial impact, disk seat 1 can pass through the bellying with the impact force of part and transmit winding layer 3, and can directly not take place relative movement with winding layer 3 and send and 2 rigid contacts with nonmetal inner bag, thereby reduce the impact of transmitting for nonmetal inner bag 2, improve the security and the reliability of nonmetal inner bag 2, guarantee that nonmetal inner bag full winding gas cylinder 100 can be used safely for a long time.

And this application compares with increasing the reducing in prior art at the bottleneck through setting up the bellying, and the influence of winding thickness in the actual production process need not be considered to the structure of this application. The bulge is arranged on the outer end face (the surface of the flange edge) of the seat body part 11, so that the winding of the wire guide head at the pole hole is not influenced, and the outer end face of the seat body part 11 is far larger than the outer surface of the bottle mouth, so that the arrangement of the bulge is simpler and more convenient.

In some embodiments, the protruding portion and the seat opening portion 12 are spaced apart from each other in the radial direction of the seat body portion 11, as shown in fig. 2-5, the seat body portion 11 and the seat opening portion 12 are coaxially disposed, and the protruding portion is located on the radial outer side of the seat opening portion 12, so that a winding space exists between the protruding portion and the seat opening portion 12, which is beneficial to increasing the winding amount of the winding layer 3 between the protruding portion and the seat opening portion 12, increasing the binding effect of the winding layer 3 on the seat body portion 11, thereby improving the connection strength of the winding layer 3 and the seat opening portion 12, enabling the impact force applied to the valve seat 1 to be effectively transmitted to the winding layer 3, and improving the safety of the non-metal liner 2.

In some embodiments, the plurality of protrusions are arranged at intervals along the circumferential direction of the seat body portion 11, that is, the protrusions are provided at a plurality of positions along the circumferential direction on the outer end surface of the seat body portion 11, and the plurality of protrusions are spaced from each other along the circumferential direction. Like this, can make seat body portion 11 along a plurality of positions department of circumference and winding layer 3's joint strength all can strengthen through the bellying that corresponds position department, do benefit to the bulk joint strength who improves valve seat 1 and winding layer 3.

The plurality of protrusions can be uniformly spaced along the circumferential direction of the seat body 11, that is, the circumferential distance between two adjacent protrusions is the same, so that the connection strength between the seat body 11 and the winding layer 3 at a plurality of circumferential positions is uniform, the unstable local connection at a plurality of circumferential positions is avoided, and the connection reliability between the valve seat 1 and the winding layer 3 is improved.

In some embodiments, the boss is plural, and the plural bosses are arranged at intervals in a radial direction of the seat body portion 11. That is, the boss portions are provided at a plurality of positions in the radial direction on the outer end surface of the seat portion 11, and the plurality of boss portions are spaced apart from each other in the radial direction. Therefore, the connection strength between the seat body 11 and the winding layer 3 at a plurality of radial positions can be enhanced by the protrusions at the corresponding positions, and the improvement of the overall connection strength between the valve seat 1 and the winding layer 3 is facilitated.

Wherein, a plurality of bellyings can be just to setting up along the radial of the outer terminal surface of pedestal portion 11, and a plurality of bellyings structure is for along the radial evenly spaced apart of pedestal portion 11, and the radial interval between two adjacent bellyings is the same promptly, from this, can make pedestal portion 11 along radial a plurality of positions department with winding layer 3's joint strength comparatively even, avoid appearing radial a plurality of positions department local connection unstable condition, improve disk seat 1 and winding layer 3's reliability of being connected.

In some embodiments, the protrusions are provided in multiple sets, the multiple sets of protrusions are spaced apart along the circumferential direction of the seat body 11, and each set of protrusions includes multiple sub-protrusions spaced apart along the radial direction of the seat body 11. As shown in fig. 2 and 3, the protrusions are 8 groups, and the 8 groups of protrusions are uniformly spaced along the circumferential direction of the seat body 11, as shown in fig. 3, the protrusions are distributed along the winding line type direction, and the distance between two adjacent protrusions can be adjusted according to actual working conditions. Like this, all can be connected fixedly with winding layer 3 through the bellying in a plurality of positions department along circumference of the outer terminal surface of seat portion 11, and every position department in a plurality of positions along circumference all is connected fixedly with winding layer 3 through a plurality of sub-bellying along radial spaced apart, therefore, can make seat portion 11 along circumference at the outer terminal surface, radial a plurality of positions department all twines with winding layer 3 through sub-bellying and covers fixedly, greatly improved seat portion 11 and winding layer 3's joint strength, guarantee that valve seat 1 when receiving the impact, can transmit the impact force effectively for winding layer 3, thereby diffuse to whole winding layer 3, avoid non-metallic inner bag 2 to receive too big striking effect, provide non-metallic inner bag 2's security.

Therefore, the arrangement form of the convex parts can be close to the winding linear trend, and the convex parts can be better embedded into the winding layer 3 to increase the axial constraint force.

In some embodiments, as shown in fig. 2 and 3, the sub-protrusions include the convex pillars 13, and the axes of the convex pillars 13 are spaced apart from and parallel to the axis of the holder body 11. As shown in fig. 3, the protruding column 13 is a circular column, so that when the protruding column 13 is wound by the winding layer 3, the winding layer 3 can be effectively attached to the outer peripheral wall of the protruding column 13, so as to reduce the gap between the winding layer 3 and the protruding column 13 and improve the connection strength between the seat body 11 and the winding layer 3.

In other embodiments, the protruding portion includes a protruding rib 14, and the protruding rib 14 extends along the radial direction of the seat body portion 11 and is disposed obliquely along the circumferential direction. As shown in fig. 4 and 5, the protruding rib 14 is in a long shape, and the protruding rib 14 is protruded on the outer end surface of the seat body 11, and as shown in fig. 4, the protruding height of the radial outer end of the protruding rib 14 is greater than the protruding height of the radial inner end of the protruding rib 14, that is, the winding area between the radial outer end of the protruding rib 14 and the winding layer 3 is greater than the winding area between the radial inner end of the protruding rib 14 and the winding layer 3, thereby facilitating to improve the connection strength between the seat body 11 and the winding layer 3.

In some embodiments, the plurality of protruding ribs 14 is provided, the plurality of protruding ribs 14 are spaced apart along the circumferential direction of the seat portion 11, and the angles of inclination of any two protruding ribs 14 along the circumferential direction are the same. As shown in fig. 5, the number of the protruding ribs 14 is 6, the 6 protruding ribs 14 are uniformly spaced apart in the circumferential direction of the seat portion 11, and the inclination angle of each protruding rib 14 in the circumferential direction is the same. In this way, the fastening connection with the winding layer 3 at each position in the circumferential direction of the seat body 11 by the plurality of protruding ribs 14 is advantageous for improving the connection strength between the seat body 11 and the winding layer 3.

And the raised ribs 14 are obliquely arranged along the circumferential direction, so that the arrangement form of the raised ribs 14 is close to the winding linear trend, and the raised ribs can be better embedded into the winding layer 3 to increase the axial constraint force.

In some embodiments, the height of the protrusion is H, the length of the protrusion is L, and the width of the protrusion is D, satisfying: h is more than or equal to 0.1mm and less than or equal to 10mm, L is more than or equal to 0.1mm and less than or equal to 10mm, and D is more than or equal to 0.1mm and less than or equal to 10 mm. That is, the axial height, radial length, and circumferential width of the boss are no less than 0.1mm and no more than 10 mm. As shown in fig. 4, the protruding portion includes a protruding rib 14, a radial outer end of the protruding rib 14 is higher than a radial inner end, wherein a height of the radial outer end of the protruding rib 14 is 2mm, a height of the radial inner end of the protruding rib 14 is 1mm, a width of the protruding rib 14 is 1mm, a length of the protruding rib 14 is 10mm, or parameters of the protruding rib 14 may be arranged in other manners to ensure a connection strength between the valve seat 1 and the winding layer 3.

The shape of the protrusion may be various, and the axial force transmission between the valve seat 1 and the winding layer 3 may be achieved. The manufacturing method of the convex part can be to machine the convex part on the outer surface of the flange of the valve seat 1 by a machining method after the valve seat 1 is manufactured, and can also adopt an injection mold method to form the convex part on the valve seat 1 in the injection molding process. And the manufacturing method of the bulge is more, and the bulge can be manufactured according to an equal stress curve so as to reduce the slide line condition in the production process.

In this application, valve seat 1 can adopt the material compatible with hydrogen to make, for example valve seat 1 is made for aluminum alloy material, and non-metal inner bag 2 material needs certain rigidity, also has relatively lower hydrogen permeability simultaneously, commonly used like nylon PA6, PA11, PA12 etc. PA6 is commonly used material, to the non-metal inner bag 2 carbon fiber full winding gas cylinder that the pressure is lower, non-metal inner bag 2 material also commonly selects polyethylene for use, for example HDPE, in order to not only guarantee the rigidity of material but also have lower hydrogen permeability, also can carry out modification treatment to existing material when the material lectotype.

The application also proposes a fully wrapped cylinder 100 with a non-metallic liner.

According to nonmetal inner bag full winding gas cylinder 100 of this application embodiment, be provided with the disk seat of the nonmetal inner bag full winding gas cylinder in any kind of above-mentioned embodiment, disk seat 1 is great with the joint strength between winding layer 3, thus, when disk seat 1 receives the axial shock, disk seat 1 can pass through the bellying with the impact force of part and transmit for winding layer 3, and can directly not take place relative movement with winding layer 3 and send and 2 rigid contacts with nonmetal inner bag, thereby reduce the impact of transmitting for nonmetal inner bag 2, improve the security and the reliability of nonmetal inner bag 2, guarantee that nonmetal inner bag full winding gas cylinder 100 can long-term safe handling.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.