CN220910690U - Hoop and rocket engine - Google Patents

Abstract

The utility model provides a hoop and a rocket engine, relates to the field of aerospace fastening, and aims to solve the technical problem that the space utilization rate of a traditional hoop is low. The hoop comprises a hoop body and a fixing assembly arranged on the outer wall surface of the hoop body, wherein the fixing assembly is used for fixing at least one member outside the hoop body to the hoop body; the fixing assembly comprises a protruding part and a cover plate part matched with the protruding part, the protruding part protrudes along the direction away from the hoop body, the protruding part is provided with a first end face away from the hoop body, the first end face is provided with at least one first concave part concave along the direction close to the hoop body, and each first concave part is used for accommodating at least part of a corresponding member; the cover plate part is detachably connected to the first end face. The hoop is used for fixing the spherical body or the cylindrical body and peripheral parts in a narrow space.

Description

Hoop and rocket engine

Technical Field

The utility model relates to the field of aerospace fastening, in particular to a hoop and a rocket engine.

Background

The hoop is a commonly used fixed structure of a gas cylinder on a rocket engine, and is usually made of annular strip-shaped materials for holding or hooping the cylindrical or spherical gas cylinder. In many cases, a wide variety of components need to be secured inside a device where space is limited. This requires full use of limited space for final layout.

In the prior art, the hoop is used for fixing the cylindrical or spherical gas cylinder through the hoop and the connecting structure, and no other functions except for fixing the cylindrical or spherical gas cylinder are realized due to the single structure. The space around the anchor ear cannot be fully utilized, for example, the anchor ear cannot be fixed and restrained to parts such as pipelines on the periphery side of the anchor ear.

Disclosure of utility model

The utility model aims to provide a hoop so as to solve the technical problem that the space utilization rate of the traditional hoop is not high.

In order to achieve the above object, the present utility model provides the following technical solutions:

The embodiment of the utility model provides a hoop, which comprises a hoop body and a fixing assembly arranged on the outer wall surface of the hoop body, wherein the fixing assembly is used for fixing at least one member outside the hoop body to the hoop body;

The fixing assembly comprises a protruding part and a cover plate part coordinated with the protruding part, wherein the protruding part protrudes along the direction away from the hoop body, the protruding part is provided with a first end face away from the hoop body, the first end face is provided with at least one first concave part concave along the direction close to the hoop body, and each first concave part is used for accommodating at least part of the corresponding member;

the cover plate part is detachably connected to the first end face.

According to at least one embodiment of the present utility model, the cover plate portion has a second end face coordinated with the first end face, and the cover plate portion has a planar plate-like structure; or alternatively

The second end face has at least one second recess recessed in a direction away from the protruding portion, each of the second recesses being coordinated with the corresponding first recess for accommodating the corresponding member.

According to at least one embodiment of the present utility model, the first end surface is provided with first screw holes on two sides of each first recess portion, the second end surface is provided with second screw holes on two sides of each second recess portion, and each first screw hole is coordinated with the corresponding second screw hole to connect the protruding portion and the cover plate portion through bolts.

According to at least one embodiment of the present utility model, the protruding portion is a plate-like structure disposed along the circumferential direction of the hoop body, and the protruding portion includes at least one first U-shaped plate section for forming the first recess portion, first fixing plate sections located at both sides of each of the first U-shaped plate sections, and two connecting plate sections respectively disposed at the first fixing plate sections located at the ends of the protruding portion;

One end of each connecting plate section is connected with the end part of the corresponding first fixed plate section, which is away from the U-shaped plate section, and the other end of each connecting plate section is connected with the hoop body.

According to at least one embodiment of the utility model, the cover plate part comprises at least one second U-shaped plate section for forming the second concave part, and second fixing plate sections positioned at two sides of each second U-shaped plate section;

Wherein the second U-shaped plate section is coordinated with the corresponding first U-shaped plate section, and the second fixed plate section is coordinated with the corresponding first fixed plate section.

According to at least one embodiment of the present utility model, the shape of the first recess is one of a polygon, a semicircle, and a semi-ellipse;

When the second end face is provided with at least one second concave part, the shape of the second concave part is one of polygon, semicircle and semi-ellipse.

According to at least one embodiment of the present utility model, the first recesses are the same or different in size;

When the second end face is provided with at least one second concave part, the sizes of the second concave parts are the same or different.

According to at least one embodiment of the utility model, the hoop body is a C-shaped structure;

The anchor ear also comprises a fastening part for connecting two ends of the hoop body, the fastening part comprises a screw rod and a fixing rod arranged at each end of the hoop body, each fixing rod is provided with a through hole for the screw rod to pass through, and the length direction of the fixing rod is the width direction of the hoop body.

According to at least one embodiment of the present utility model, the through hole is a screw hole or a light hole; and/or the number of the groups of groups,

Each end of the screw rod is further provided with a nut, and each nut is abutted to the side surface of the fixing rod, which faces away from the other fixing rod.

Compared with the prior art, the hoop comprises a hoop body and a fixing component arranged on the outer wall surface of the hoop body, wherein the hoop body is used for fixing the cylindrical body or the spherical body, and the fixing component is used for fixing other parts on the periphery of the cylindrical body or the spherical body. The fixing component comprises a protruding portion and a cover plate portion which are matched with each other, one or more first concave portions are arranged on the protruding portion, at least one part of a member to be fixed is arranged in the first concave portions, the cover plate portion is detachably connected to the first end face of the protruding portion, and then the member to be fixed is fixed in the first concave portions. The hoop provided by the embodiment of the utility model can fully utilize the peripheral space of the cylindrical body or the spherical body, and can fix other parts on the hoop, so that the structural layout of the whole part is optimized, and the weight and the space occupation of the fixing piece with the same function are reduced.

It is a further object of the present utility model to provide a rocket engine comprising at least one of the above-mentioned hoops, said hoops being adapted to secure a cylindrical body or a spherical body, said securing assembly being adapted to secure said member.

The advantages of the rocket engine over the prior art are the same as those of the anchor ear over the prior art, and are not described in detail herein.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.

Fig. 1 is a perspective view illustrating a use state of a hoop according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a hoop according to an embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a hoop according to another embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a cover plate portion according to an embodiment of the present utility model.

Fig. 5 is a schematic perspective view of a fastening portion according to an embodiment of the present utility model.

Reference numerals: 10. a hoop body; 20. a boss; 21. a first concave portion; 22. a first U-shaped plate segment; 23. a first fixed plate section; 24. a connecting plate section; 30. a cover plate portion; 31. A second concave portion; 32. a second U-shaped plate section; 33. a second fixed plate section; 40. a pipeline; 50. a gas cylinder; 60. a fastening part; 61. a fixed rod; 62. a screw; 63. and (3) a nut.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Before describing the embodiments of the present utility model, the following definitions are first given for the relative terms involved in the embodiments of the present utility model:

The hoop is an annular strip of material to hold or hoop the cylindrical or spherical body.

The gas cylinder of the rocket engine is usually a cylindrical gas cylinder or a spherical gas cylinder, and is usually fixed by adopting a hoop in order to fix the rocket engine inside the engine. The traditional anchor ear has a single structure, the peripheral space of the anchor ear cannot be fully utilized, and other parts such as pipelines cannot be fixed and restrained.

In order to solve the problems, the embodiment of the utility model provides the anchor ear which optimizes the structural layout of parts of the whole rocket engine under the effect of realizing the same function, thereby greatly reducing the weight and the space occupation of the fixing piece with the same function.

Fig. 1 shows a perspective structural view of a hoop in use according to an exemplary embodiment of the present utility model. Fig. 2 shows a schematic diagram of a hoop structure according to an exemplary embodiment of the present utility model. Fig. 3 shows a schematic structural view of a cover plate portion removed by a hoop according to an exemplary embodiment of the present utility model. Referring to fig. 1-3, the hoop according to the embodiment of the present utility model includes a hoop body 10 and a fixing component disposed on an outer wall surface of the hoop body 10, where the fixing component is used to fix at least one member outside the hoop body 10 to the hoop body 10; the fixing assembly comprises a protruding part 20 and a cover plate part 30 coordinated with the protruding part 20, wherein the protruding part 20 protrudes along the direction away from the hoop body 10, the protruding part 20 is provided with a first end surface facing away from the hoop body 10, the first end surface is provided with at least one first concave part 21 concave along the direction close to the hoop body 10, and each first concave part 21 is used for accommodating at least part of a corresponding member; the cover plate portion 30 is detachably connected to the first end face.

Components of exemplary embodiments of the present utility model include, but are not limited to, various components such as tubing 40, wiring, and the like. An exemplary embodiment of the present utility model is depicted as conduit 40. The hoop body 10 of the hoop of the exemplary embodiment of the present utility model is used to secure a spherical body or a cylindrical body, including but not limited to a gas cylinder 50 in a rocket engine, etc., and the exemplary embodiment of the present utility model is illustrated with the gas cylinder 50.

In practical application, the fixing assembly includes a boss 20 and a cover plate 30, wherein the boss 20 has a first recess 21, at least a portion of the pipeline 40 is embedded in the first recess 21, and the pipeline 40 is fixed between the boss 20 and the cover plate 30 by connecting the cover plate 30 with a first end surface of the boss.

Depending on the number of actual fixing pipes 40, the protruding portion 20 is provided with one or more corresponding first recessed portions 21. Thereby fixing all the pipelines 40 in the peripheral space of the hoop body 10 outside the hoop body 10, optimizing the whole space layout and fully utilizing the limited space.

It is understood that the anchor ear is fixed on the inner wall of the rocket engine or the fixing device through the fixing bracket. Illustratively, the ferrule body 10 may be splice welded together or integrally machined from a plurality of plates.

Referring to fig. 2-3, the cover plate 30 according to the exemplary embodiment of the present utility model may be formed by bending or integrally machining a plate material, and the cover plate 30 may be clamped with the protruding portion 20 in a plurality of manners to fix the pipe 40 in the first recess 21.

For example, the cover plate portion 30 has a second end face coordinated with the first end face, that is, the second end face of the cover plate portion 30 abuts against the first end face. When most or all of the piping 40 can be embedded in the first concave portion 21, the cover plate portion 30 has a planar plate-like structure having no concave-convex structure at least on the first end face, which is not a planar surface in a broad sense, but rather, with respect to a surface having a concave shape, in other words, the cover plate portion 30 may have a shape of a curved surface as a whole, which has no concave shape. The majority of the pipe 40 refers to the majority or all of the pipe 40 defined by the longitudinal section, and not the entirety of the pipe 40 in the longitudinal direction.

In practical application, each pipeline 40 is first embedded into the first concave portion 21 in a detachable manner, the cover plate portion 30 is covered, and then the cover plate portion 30 is fixed to the convex portion 20, so as to complete the fixation of the pipeline 40.

Referring to fig. 3, when only a portion, for example, half of the pipe 40 can be inserted into the first recess 21, a second recess 31 opposite to the first recess 21 is disposed on the second end surface of the cover plate 30, and the first recess 21 and the second recess 31 combine to form a space for accommodating the entire pipe 40, so that the pipe 40 penetrates through the space. From another perspective, it is described that the pipe 40 is delimited by a longitudinal section, one part of which is embedded in the first recess 21 and the other part of which is embedded in the second recess 31.

In the embodiment of the present utility model, the cover portion 30 is detachably connected to the first end surface, as shown in fig. 2-3, and the cover portion 30 is connected to the protruding portion 20 by using a bolt connection manner. Illustratively, a first screw hole is respectively provided on the first end surface at two sides of each first recess portion 21, a second screw hole is respectively provided on the second end surface at two sides of each second recess portion 31, and each first screw hole is coordinated with the corresponding second screw hole for connecting the protruding portion 20 and the cover plate portion 30 through a bolt. Both sides of each first concave portion 21 on the first end face are connected with both sides of the second concave portion 31 on the cover plate portion 30 in a threaded manner.

The structure of the boss 20 provided in the exemplary embodiment of the present utility model may be a block structure or a plate structure, in which the substantial length direction of the boss 20 is arranged along the circumferential direction of the hoop body 10, that is, the plurality of first concave portions 21 are arranged at intervals along the circumferential direction of the hoop body 10. Similarly, a plurality of second concave portions 31 are provided on the cover plate portion 30 at intervals along the circumferential direction of the cuff body 10. It is understood that the number of the first concave portions 21 and the corresponding second concave portions 31 may be only one.

When the boss 20 has a block structure, first concave portions 21 are formed on first end surfaces thereof, and first screw holes are formed on first end surfaces on both sides of each first concave portion 21.

When the structure of the boss 20 is a plate-like structure, the boss 20 may be bent or integrally machined by a plate material. The following describes aspects of the utility model with reference to the drawings.

Fig. 3 shows the structure of the boss 20 according to an exemplary embodiment of the present utility model. As shown in fig. 3, the boss 20 according to the exemplary embodiment of the present utility model includes a first fixing plate section 23, a first U-shaped plate section 22, and a first fixing plate section 23 … … alternately circulating in sequence, wherein the first U-shaped plate section 22 is used to form a first recess 21, and the first fixing plate section 23 is distributed on both sides of each first U-shaped plate section 22.

It will be appreciated that for stability of the first fixing plate segment 23 at the extreme edge, i.e. at the first fixing plate segment 23 at both ends of the boss 20, two web segments 24 are provided, one end of each web segment 24 being connected to the end of the respective first fixing plate segment 23 facing away from the U-shaped plate segment and the other end being connected to the cuff body 10, e.g. welded. Thereby securing the boss 20 to the cuff 10.

In order to increase the securement of the boss 20 to the cuff 10, in addition to being secured at both ends by the web segments 24, the bottom of the first U-shaped plate segment 22 may also be attached, such as welded, to the cuff 10.

Fig. 4 shows the structure of the cover plate portion 30 according to the exemplary embodiment of the present utility model. As shown in fig. 4, the cover plate part 30 of the exemplary embodiment of the present utility model includes at least one second U-shaped plate section 32 for forming the second recess 31, and second fixing plate sections 33 located at both sides of each second U-shaped plate section 32; wherein the second U-shaped plate section 32 is coordinated with the corresponding first U-shaped plate section 22 and the second fixed plate section 33 is coordinated with the corresponding first fixed plate section 23. From another perspective, we describe: the cover plate portion 30 is a structure in which second fixing plate segments 33, second U-shaped plate segments 32, and second fixing plate segments 33 … … are alternately circulated in sequence, and a through hole or a threaded hole is provided in each second fixing plate segment 33, so that the first fixing plate segment 23 is connected with the corresponding second fixing plate segment 33 by a bolt.

In practical applications, the shape of the first recess 21 and the shape of the second recess 31 according to the exemplary embodiment of the present utility model may be one of a polygon, a semicircle, and a semi-ellipse. It is to be understood that the shapes of the first concave portion 21 and the second concave portion 31 correspond to each other, for example, when the cross section of the pipe 40 is circular, the shapes of the first concave portion 21 and the second concave portion 31 are semicircular, so that the formed space-fixing circular pipe 40 is more stable.

According to practical needs, when the outer side of the anchor ear needs to be fixed with various pipelines 40, since the sizes of the pipelines 40 may be different, the first concave portion 21 should also have corresponding sizes, and the second concave portion 31 should also have corresponding sizes. When the sizes of the various pipes are identical, the sizes of the first concave portions 21 are identical, and the sizes of the second concave portions 31 are correspondingly identical.

Referring to fig. 2, a hoop body 10 according to an exemplary embodiment of the present utility model is a C-shaped structure; the anchor ear further includes a fastening portion 60 connecting both ends of the hoop body 10, the fastening portion 60 including a screw 62 and a fixing rod 61 provided at each end of the hoop body 10, each fixing rod 61 having a through hole through which the screw 62 passes, a length direction of the fixing rod 61 being a width direction of the hoop body 10.

Referring to fig. 3 and 5, the C-shaped structure according to the exemplary embodiment of the present utility model has a crimp at both ends, and the crimp has a notch through which a screw 62 passes, and the crimp can fix the fixing rod 61 to the hoop body 10, and the two fixing rods 61 are connected by the screw 62, and the fixing rod 61 fixed by the crimp is in line with the stress thereof, and is easy to process and has high strength.

Referring to fig. 5, the fastening portion 60 of the exemplary embodiment of the present utility model has a through hole which is a screw hole or a light hole; each end of the screw 62 is further provided with a nut 63, each nut 63 abutting against a side of the fixing rod 61 facing away from the other fixing rod 61. It will be appreciated that the intermediate portion of the threaded rod 62 may be provided with a nut-like step to facilitate tightening of the threaded rod 62 using a tool, the through-hole being a threaded hole. Whether the through holes are screw holes or unthreaded holes, the screw 62 is fastened by nuts 63 at each end of the screw 62 located outside the two fixing rods 61, and the structure is more stable.

Therefore, in the production and manufacturing process of the anchor ear, mechanical processing is not needed, and the production and the manufacturing of the product are realized only through welding and bending processes, so that the anchor ear is simple and effective in production and manufacturing, low in cost and lighter in weight.

According to another aspect of the present utility model, there is provided a rocket engine comprising at least one of the above-described anchor clamps, the clamp body 10 being adapted to secure a gas cylinder 50, and the securing assembly being adapted to secure a member. Exemplary embodiment components of the present utility model include, but are not limited to, piping, wiring, and the like.

According to one or more technical schemes provided by the embodiment of the utility model, in the rocket engine, the multifunctional gas cylinder hoop can fully utilize the peripheral space of the gas cylinder, and a pipeline or other parts can be fixed on the gas cylinder hoop. Through the improved design of the gas cylinder hoop structure, the structural layout of the whole rocket engine part is optimized, and the weight and the space occupation of the fixing piece with the same function are greatly reduced.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the utility model. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present utility model.

Claims (10)

1. The hoop is characterized by comprising a hoop body and a fixing assembly arranged on the outer wall surface of the hoop body, wherein the fixing assembly is used for fixing at least one member outside the hoop body to the hoop body;

The fixing assembly comprises a protruding part and a cover plate part coordinated with the protruding part, wherein the protruding part protrudes along the direction away from the hoop body, the protruding part is provided with a first end face away from the hoop body, the first end face is provided with at least one first concave part concave along the direction close to the hoop body, and each first concave part is used for accommodating at least part of the corresponding member;

the cover plate part is detachably connected to the first end face.

2. The anchor ear of claim 1, wherein the cover plate portion has a second end face coordinated with the first end face, the cover plate portion having a planar plate-like structure; or alternatively

The second end face has at least one second recess recessed in a direction away from the protruding portion, each of the second recesses being coordinated with the corresponding first recess for accommodating the corresponding member.

3. The hoop of claim 2, wherein first screw holes are formed in the first end face on two sides of each first concave portion, second screw holes are formed in the second end face on two sides of each second concave portion, and each first screw hole is coordinated with the corresponding second screw hole to connect the protruding portion with the cover plate portion through bolts.

4. The hoop of claim 2, wherein the boss is a plate-like structure disposed along a circumferential direction of the hoop body, the boss including at least one first U-shaped plate segment for forming the first recess, first fixing plate segments located on both sides of each of the first U-shaped plate segments, and two connecting plate segments respectively provided at the first fixing plate segments located at ends of the boss;

One end of each connecting plate section is connected with the end part of the corresponding first fixed plate section, which is away from the U-shaped plate section, and the other end of each connecting plate section is connected with the hoop body.

5. The anchor ear of claim 4, wherein the cover portion comprises at least one second U-shaped plate segment for forming the second recess, second fixed plate segments on either side of each second U-shaped plate segment;

Wherein the second U-shaped plate section is coordinated with the corresponding first U-shaped plate section, and the second fixed plate section is coordinated with the corresponding first fixed plate section.

6. The anchor ear of any one of claims 2-5, wherein the first recess is one of polygonal, semi-circular, and semi-elliptical in shape;

When the second end face is provided with at least one second concave part, the shape of the second concave part is one of polygon, semicircle and semi-ellipse.

7. The anchor ear of any one of claims 2-5, wherein the first recesses are the same or different in size;

When the second end face is provided with at least one second concave part, the sizes of the second concave parts are the same or different.

8. The hoop of any one of claims 2-5, wherein the hoop body is a C-shaped structure;

The anchor ear also comprises a fastening part for connecting two ends of the hoop body, the fastening part comprises a screw rod and a fixing rod arranged at each end of the hoop body, each fixing rod is provided with a through hole for the screw rod to pass through, and the length direction of the fixing rod is the width direction of the hoop body.

9. The hoop of claim 8, wherein the through hole is a screw hole or an optical hole; and/or the number of the groups of groups,

Each end of the screw rod is further provided with a nut, and each nut is abutted to the side surface of the fixing rod, which faces away from the other fixing rod.

10. A rocket engine comprising at least one anchor ear as claimed in any one of claims 1-9, said hoop body being adapted to secure a cylindrical body or a spherical body, said securing assembly being adapted to secure said member.