阅读说明：本技术 一种非金属身管承重件固定结构 (Non-metal barrel bearing part fixing structure ) 是由 冯茂林 谢鑫 王佳 陈俊英 胡永军 史曹杨 薛秀琴 于 2020-11-27 设计创作，主要内容包括：本发明属于在非金属身管上固定承重件的结构,主要用于将发射器的外挂件固定于非金属身管上。包括安装在非金属身管上的皮卡导轨连接座、安装在皮卡导轨连接座上的皮卡导轨以及起到连接皮卡导轨连接座和皮卡导轨作用的螺栓和弹簧垫圈；皮卡导轨连接座下端面同非金属身管连接,上端面设置用于安装并对皮卡导轨限位的凸台；所述凸台上设置螺纹通孔；皮卡导轨的下端面设置用于同凸台插装配合的下端孔,上端面对应下端孔设置用于安装螺栓的上端沉孔,下端孔与上端沉孔连通；螺栓从上端沉孔插入后同凸台上的螺纹通孔螺纹连接；螺栓上套装设置弹簧垫圈。本发明的结构定位稳固、连接强度高、可靠性高,提高了安装精度；拆卸方便,提高了安装效率。(The invention belongs to a structure for fixing a bearing part on a non-metal barrel, which is mainly used for fixing an external hanging part of a transmitter on the non-metal barrel. The device comprises a pickup guide rail connecting seat arranged on a non-metal barrel, a pickup guide rail arranged on the pickup guide rail connecting seat, and a bolt and a spring washer which play a role in connecting the pickup guide rail connecting seat and the pickup guide rail; the lower end surface of the pick-up guide rail connecting seat is connected with a non-metal barrel, and the upper end surface is provided with a boss for mounting and limiting the pick-up guide rail; the boss is provided with a threaded through hole; the lower end face of the pickup guide rail is provided with a lower end hole which is used for being matched with the boss in an inserting way, the upper end face is provided with an upper end counter bore which is used for installing a bolt and corresponds to the lower end hole, and the lower end hole is communicated with the upper end counter bore; the bolt is inserted from the counter bore at the upper end and then is in threaded connection with the threaded through hole on the boss; the bolt is sleeved with a spring washer. The structure of the invention has stable positioning, high connection strength and high reliability, and improves the installation precision; the disassembly is convenient, and the installation efficiency is improved.)

1. The utility model provides a non-metal barrel bearing part fixed knot constructs which characterized in that: the device comprises a pickup guide rail connecting seat (1) arranged on a non-metal barrel (5), a pickup guide rail (2) arranged on the pickup guide rail connecting seat (1), and a bolt (3) and a spring washer (4) which play a role in connecting the pickup guide rail connecting seat (1) and the pickup guide rail (2); the lower end surface of the pickup guide rail connecting seat (1) is connected with a non-metal barrel (5), and the upper end surface is provided with a boss (6) for mounting and limiting the pickup guide rail (2); the boss (6) is provided with a threaded through hole; the lower end face of the pickup guide rail (2) is provided with a lower end hole (7) which is used for being matched with the boss (6) in an inserting way, the upper end face of the pickup guide rail is provided with an upper end counter bore (8) which is used for installing the bolt (3) and corresponds to the lower end hole (7), and the lower end hole (7) is communicated with the upper end counter bore (8); the bolt (3) is inserted from the counter bore (8) at the upper end and then is in threaded connection with the threaded through hole on the boss (6); the bolt (3) is sleeved with a spring washer (4).

2. The non-metallic barrel bearing member fixing structure as set forth in claim 1, wherein: the pickup guide rail connecting seat (1) is made of titanium alloy material.

3. The non-metallic barrel bearing member fixing structure as set forth in claim 2, wherein: the pickup guide rail connecting seat (1) is of a trapezoid-like structure, the long bottom surface of the trapezoid structure connected with the nonmetal barrel (5) is an arc-shaped surface, and the arc-shaped surface is subjected to sand blasting treatment.

4. The non-metallic barrel bearing member fixing structure as set forth in claim 3, wherein: the arc surface of the pickup guide rail connecting seat (1) is provided with a plurality of through holes.

5. The non-metallic barrel bearing member fixing structure as set forth in claim 1, wherein: the pickup guide rail (2) is made of reinforced modified nylon and is integrally formed by die casting.

6. The non-metallic barrel bearing member fixing structure as set forth in claim 5, wherein: the lower part of the pickup guide rail (2) is a connecting part with a rectangular section, and the upper part is a guide rail part for mounting a hanging piece.

7. The non-metallic barrel bearing member fixing structure as set forth in claim 6, wherein: the upper end surface of the guide rail part is provided with a plurality of through grooves along the width direction; the through grooves are uniformly distributed along the length direction of the guide rail part on the whole.

8. The fixing structure of a non-metallic barrel bearing part according to any one of claims 1 to 7, wherein: the pick-up guide rail connecting seat (1) is adhered to the non-metal body tube (5) by using an adhesive and is bound and fastened by using carbon fiber wires mixed with curing glue.

Technical Field

The invention belongs to a structure for fixing a bearing part on a non-metal barrel, and relates to a simple and reliable bearing part fixing structure which is mainly used for fixing an external hanging part of an emitter on the non-metal barrel.

Background

In the novel fiber winding forming launching weapon developed at present, a plurality of parts need to be hung externally on a launching barrel, and the external parts are connected with a Picatinny guide rail which is widely used and standard, so that the universality and the convenience of the connecting parts are improved. The commonly adopted plug-in connecting seat can not be accurately positioned, has low connecting strength and reliability, has a complex structure and is complex to process, and the production cost is improved.

Disclosure of Invention

The invention aims to provide a novel fixing structure for a non-metal barrel bearing part.

In order to achieve the purpose, the invention adopts the technical scheme that:

a non-metal barrel bearing part fixing structure comprises a pickup guide rail connecting seat arranged on a non-metal barrel, a pickup guide rail arranged on the pickup guide rail connecting seat, and a bolt and a spring washer which play a role in connecting the pickup guide rail connecting seat and the pickup guide rail; the lower end surface of the pick-up guide rail connecting seat is connected with a non-metal barrel, and the upper end surface is provided with a boss for mounting and limiting the pick-up guide rail; the boss is provided with a threaded through hole; the lower end face of the pickup guide rail is provided with a lower end hole which is used for being matched with the boss in an inserting way, the upper end face is provided with an upper end counter bore which is used for installing a bolt and corresponds to the lower end hole, and the lower end hole is communicated with the upper end counter bore; the bolt is inserted from the counter bore at the upper end and then is in threaded connection with the threaded through hole on the boss; the bolt is sleeved with a spring washer.

The technical scheme of the invention is further improved as follows: the pickup guide rail connecting seat 1 is made of titanium alloy material.

The technical scheme of the invention is further improved as follows: the pick up guide rail connecting seat is a trapezoid-like structure, and the long bottom surface of the trapezoid structure connected with the nonmetal barrel is an arc-shaped surface, and the arc-shaped surface is subjected to sand blasting treatment.

The technical scheme of the invention is further improved as follows: the arc surface of the pickup guide rail connecting seat is provided with a plurality of through holes.

The technical scheme of the invention is further improved as follows: the pickup guide rail is made of reinforced modified nylon and is integrally formed by die casting.

The technical scheme of the invention is further improved as follows: the lower part of the pickup guide rail is a connecting part with a rectangular section, and the upper part of the pickup guide rail is a guide rail part for mounting a hanging piece.

The technical scheme of the invention is further improved as follows: the upper end surface of the guide rail part is provided with a plurality of through grooves along the width direction; the through grooves are uniformly distributed along the length direction of the guide rail part on the whole.

The technical scheme of the invention is further improved as follows: the pick-up guide rail connecting seat is adhered to the non-metal body tube by using an adhesive and is bound and fastened by using carbon fiber wires mixed with curing glue.

Due to the adoption of the technical scheme, the invention has the following technical effects:

the structure of the invention has stable positioning, high connection strength and high reliability, and improves the installation precision; the disassembly is convenient, and the installation efficiency is improved; the processing technology is simple, and the production cost is saved.

The pick up guide rail connecting seat is bonded with the nonmetal barrel by using the adhesive, and the friction force can be increased by sand blasting treatment, so that the pick up guide rail connecting seat is more stable in bonding. Simultaneously, set up the through-hole on the arcwall face of pick up guide rail connecting seat, not only can play the effect of the kiss-coating of being convenient for, can also alleviate its weight of itself.

A through groove along the width direction is arranged on the upper end surface of the guide rail part of the pickup guide rail; the whole weight of the pickup guide rail can be reduced by arranging the through groove.

The non-metal barrel is wound by carbon fiber, so that the strength requirement can be met, and the weight can be reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the pickup guide connecting base of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a top view of the pickup guide connecting base of the present invention;

FIG. 5 is a front and side view of the pickup guide of the present invention;

FIG. 6 is a bottom view and a cross-sectional view B-B of the pickup guide of the present invention;

FIG. 7 is a top view and cross-sectional view A-A of the pickup truck guide of the present invention;

the pickup guide rail connecting seat comprises a pickup guide rail connecting seat 1, a pickup guide rail connecting seat 2, a pickup guide rail 3, a bolt 4, a spring washer 5, a non-metal barrel 6, a boss 7, a lower end hole 8 and an upper end counter bore.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention relates to a fixing structure of a non-metal barrel bearing part, which can be applied to a non-metal winding forming launching weapon and can be used for additionally installing different accessories.

As shown in fig. 1, the fixing structure of the non-metal barrel bearing part comprises a pickup guide rail connecting seat 1, a pickup guide rail 2, a bolt 3 and a spring washer 4. Wherein, pick up guide rail connecting seat 1 installs on non-metallic barrel 5, and pick up guide rail 2 installs on pick up guide rail connecting seat 1, and bolt 3 and spring washer 4 mutually support and link together pick up guide rail connecting seat 1 and pick up guide rail 2. The pickup guide connecting seat 1 plays a role in mounting the pickup guide 2 on the non-metal barrel 5.

As shown in fig. 1, 2 and 3, the lower end face of the pickup guide rail connecting seat 1 is connected with a non-metal barrel 5, the upper end face of the pickup guide rail connecting seat 1 is provided with a plurality of bosses 6, and the bosses 6 are used for installing and limiting the pickup guide rail 2. The 6 protruding structures of boss, it is corresponding, set up the lower extreme hole 7 that is used for cooperating with 6 cartridge of boss at the lower terminal surface of pick up guide rail 2. When assembling and matching, the lower end holes of the pickup guide rails 2 are in one-to-one correspondence with the bosses 6, and the bosses 6 are inserted into the lower end holes 7.

As shown, a threaded through hole is provided on the boss 6. And an upper end counter bore 8 is arranged on the upper end face of the pickup guide rail 2 corresponding to the lower end hole 7, and the upper end counter bore 8 is used for installing the bolt 3. The lower end hole 7 and the upper end counter bore 8 are in a coaxial line communication structure. The bolt 3 is inserted into the counter bore 8 at the upper end and then is in threaded connection with the threaded through hole on the boss 6. The bolt 3 is sleeved with the spring washer 4, and the reliability of connection and the stability of use are improved through the matching of the bolt 3 and the spring washer 4.

In a specific embodiment of the invention, the pickup guide rail connecting base 1 is preferably made of a titanium alloy material.

As shown in fig. 2 and 3, the pickup guide rail connecting base 1 has a trapezoidal-like structure. The long bottom surface of the trapezoidal structure connected with the non-metal barrel 5 is set to be an arc-shaped surface, and the arc-shaped surface is subjected to sand blasting treatment. Pick up guide rail connecting seat 1 and nonmetal barrel 5 use the adhesive to bond, can increase frictional force through sand blasting, make its bonding more firm. The upper end face of the trapezoid-like structure of the pickup guide rail connecting seat 1 is provided with a plurality of bosses 6 along the length direction. In the figure 3 bosses 6 are provided. The boss 6 is a boss of generally square configuration.

The arc-shaped surface of the pick up guide rail connecting seat 1 is connected with the non-metal barrel 5, and usually, the pick up guide rail connecting seat 1 is firstly adhered on the non-metal barrel 5 by using an adhesive and then is bound and fastened by using carbon fiber wires mixed with curing adhesive. In order to facilitate hanging of an adhesive or a bonding adhesive on the arc-shaped surface of the pickup guide rail connecting seat 1, a plurality of through holes are arranged on the arc-shaped surface. Through setting up the through-hole, not only can play the effect of the kiss-coating of being convenient for, can also alleviate the weight of itself.

The pickup guide rail 2 is arranged on the pickup guide rail connecting seat 1 and is used for being additionally provided with other accessories. Preferentially, the pickup guide rail is made of reinforced modified nylon materials and is integrally formed by die casting.

As shown in fig. 5, 6, and 7, the pickup guide 2 is configured such that a lower portion of the pickup guide 2 is a connecting portion having a rectangular cross section, and a lower end hole 7 is provided in the connecting portion. The upper part of the pickup guide rail 2 is a guide rail part for installing a hanging piece.

Furthermore, a plurality of through grooves along the width direction are arranged on the upper end surface of the guide rail part of the pickup guide rail 2. The through grooves are uniformly distributed along the length direction of the guide rail part on the whole. The whole weight of the pickup guide rail 2 can be reduced by arranging the through groove. The surface of the pickup guide rail 2 connected with the pickup guide rail connecting seat 1 is provided with a hole matched with the boss 6 on the pickup guide rail connecting seat 1, and other positions on the surface can be grooved for reducing the weight of the pickup guide rail 2.

The structure is assembled as follows:

firstly, sticking a pick-up guide rail connecting seat 1 on a preset position of a non-metal barrel 5 through an adhesive, and curing for 7 hours at normal temperature; then, the cured pick up guide rail connecting seat 1 is bound on the nonmetal fiber barrel 5 by carbon fiber mixed with curing glue, and is cured for 4 hours at high temperature; spraying paint on the non-metal fiber barrel 5, and assembling after the paint is completely dried; during assembly, the pickup guide rail 2 is arranged on the pickup guide rail connecting seat 1 and is pressed tightly by the nut 3 and the spring washer 4. And installing corresponding plug-in parts according to requirements, so that the plug-in parts are reliably fixed.

The non-metal barrel 5 is wound by carbon fiber, so that the strength requirement can be met, and the weight can be reduced.

The pickup guide rails 2 have the same characteristic size, and shooters with different body types can select and adjust the position of the proper plug-in piece according to the body type characteristics of the shooters in consideration of the difference of the body types of the shooters so as to improve the comfort of weapon operation. Different specifications can be designed to match different external hanging pieces.

The bearing part fixing structure can meet the requirements of external hanging part strength and drop test, and can meet the use requirements of weapons in the shooting and carrying states.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.