阅读说明：本技术 压力管道卡扣式连接结构 (Pressure pipeline buckle formula connection structure ) 是由 方立锋 蔡炳芳 饶聪超 沈狄彪 严超 于 2019-08-27 设计创作，主要内容包括：压力管道卡扣式连接结构,第一管体包括第一连接端及主体。第二管体包括第二连接端及主体。第一连接端上设有里、外两凸环,密封圈设置在由里外两凸环确定的环槽内并和第一第二两连接端的相应表面相触连。第一第二两连接端的自由端端面触连。第二连接端上设有连接凹槽,第一管体上设有连接卡爪,连接卡爪的一端和第一连接端固连,连接卡爪的自由端设有限位卡勾,连接卡爪的中端的长度大于第二连接端的长度,连接卡爪的中端的中部位于相应的连接凹槽内,连接卡爪的中端和限位卡勾的宽度均小于连接凹槽的宽度。限位卡勾与第二连接端和第二主体的连接侧面相连。有益效果：第一第二两管体可以发生转动以提供一定角度的旋转活动量来匹配安装现场的情况。(Pipeline under pressure buckle formula connection structure, first body includes first link and main part. The second pipe body comprises a second connecting end and a main body. The first connecting end is provided with an inner convex ring and an outer convex ring, and the sealing ring is arranged in a ring groove defined by the inner convex ring and the outer convex ring and is contacted with the corresponding surfaces of the first connecting end and the second connecting end. The free end faces of the first and second connecting ends are contacted and connected. The connecting clamping jaw is arranged on the first pipe body, the connecting clamping jaw is arranged on the second connecting end, one end of the connecting clamping jaw is fixedly connected with the first connecting end, the free end of the connecting clamping jaw is provided with a limiting clamping hook, the length of the middle end of the connecting clamping jaw is larger than that of the second connecting end, the middle part of the middle end of the connecting clamping jaw is positioned in the corresponding connecting groove, and the width of the middle end of the connecting clamping jaw and the width of the limiting clamping hook are both smaller than that of the connecting groove. The limiting clamping hook is connected with the second connecting end and the connecting side face of the second main body. Has the advantages that: the first and second pipes can rotate to provide a certain angle of rotation activity to match the situation of the installation site.)

1. A pressure pipeline clamping and buckling type connecting structure comprises a first pipe body (1) and a second pipe body (2); the method is characterized in that: the first pipe body (1) comprises a first connecting end (1.1) and a first main body (1.2); the second pipe body (2) comprises a second connecting end (2.1) and a second main body (2.2); the outer diameter of the first connecting end (1.1) is smaller than the inner diameter of the second connecting end (2.1); an inner convex ring (1, 3) and an outer convex ring (1.4) are arranged on the first connecting end (1.1), a sealing ring (3) is arranged in a ring groove determined by the inner convex ring (1, 3) and the outer convex ring (1.4), the surface of the sealing ring (3) is in contact connection with the corresponding surfaces of the first connecting end (1.1) and the second connecting end (2.1), and the free end face of the first connecting end (1.1) is in contact connection with the free end face of the second connecting end (2.1); a plurality of connecting grooves (2.3) are formed in the second connecting end (2.1), a plurality of connecting clamping jaws (1.5) are correspondingly arranged on the first pipe body (1), one end of each connecting clamping jaw (1.5) is fixedly connected with the first connecting end (1.1), a limiting clamping hook (1.51) is arranged at the free end of each connecting clamping jaw (1.5), the length of the middle end of each connecting clamping jaw (1.5) is larger than that of the second connecting end (2.1), the middle part of the middle end of each connecting clamping jaw (1.5) is positioned in the corresponding connecting groove (2.3), and the width of each of the middle end of each connecting clamping jaw (1.5) and the width of each limiting clamping hook (1.51) are smaller than that of each connecting groove (2.3); the limiting clamping hook (1.5) is connected with the second connecting end (2.1) and the connecting side surface (2.4) of the second main body (2.2).

2. The pressure pipe snap-on connection according to claim 1, characterized in that: the free end of the connecting claw (1.5) is provided with a guide inclined plane (1.6).

3. The pressure pipe snap-on connection according to claim 1, characterized in that: the fixedly connecting part of the connecting claw (1.5) and the first connecting end (1.1) is provided with a plurality of reinforcing ribs (1.7).

4. The pressure pipe snap-on connection according to claim 1, characterized in that: the middle end of the connecting clamping jaw (1.5) is concave to the second connecting end (2.1), and the middle part of the middle end of the connecting clamping jaw (1.5) is in contact connection with the outer surface of the second connecting end (2.1).

5. The pressure pipe snap-on connection according to claim 1, characterized in that: the free end of the second connecting end (2.1) is provided with a notch (2.5), correspondingly, the first connecting end (1.1) is provided with a positioning bulge (1.8) protruding into the notch (2.6), the distance between two side faces of the positioning bulge (1.8) is smaller than the distance between two side faces of the notch (2.5), and the difference between the distance between the two side faces of the notch and the distance between the two side faces of the positioning bulge is equal to the difference between the distance between the two side faces of the connecting groove and the distance between the two side faces of the connecting clamping jaw.

6. The pressure pipe snap-on connection according to claim 1, characterized in that: the free end of the outer ring (1.4) is chamfered.

Technical Field

The invention relates to the technical field of automobile assembly, in particular to a pressure pipeline connecting structure.

Background

The cost reduction is a common topic of the automobile industry in the world at present, and a good assembly structure not only can meet the assembly performance requirement, but also can save the manufacturing cost. For the structural design of some pressure pipelines, rubber hoses are often needed, and clamps are usually used for realizing mutual connection. However, the connection of the rubber pipe by the clamp can effectively meet the performance requirement, but has the problem of processing and manufacturing cost.

Application number 201821049309.X, grant publication number CN 208417824U, utility model patent document entitled "a plastic pipe with buckle fixed knot constructs" discloses a plastic pipe with buckle fixed knot constructs, and its main right is: "include plastic tubing main part, inner tube, mounting groove, disinfection strip, nanometer silver coating, outer tube, carbon fiber woven mesh, glue, bead, fixation clamp, jack catch, rubber packing ring, connect public end, buckle groove, breach, connect female end, buckle cover, tight loop, collar, spring and sealing washer, its characterized in that: the middle part of the plastic pipe main body is provided with an inner pipe, the inner wall of the inner pipe is uniformly provided with a mounting groove, a disinfection strip is arranged in the mounting groove, the connection mode of the disinfection strip and the inner pipe is bonding, the side surface of the disinfection strip is uniformly coated with a nano-silver coating, the outer side of the inner pipe is wrapped with an outer pipe, a carbon fiber mesh grid is arranged between the outer pipe and the inner pipe, glue is filled between the carbon fiber mesh grids, the side surface of the outer pipe is provided with a convex edge, the middle part of the outer pipe is sleeved with a fixing clamp, the two sides of the fixing clamp are both connected with clamping jaws through screws, a rubber gasket is arranged in each clamping jaw, one end of the plastic pipe main body is provided with a male connecting end, the side surface of the male connecting end is provided with a clamping groove, the two sides, and one side of the inside of the connecting female end is provided with a fastening ring, the two sides of the fastening ring are provided with mounting rings, springs are evenly arranged between the mounting rings, and a sealing ring is arranged on one side of the fastening ring. The problems of complex structure, high processing and manufacturing cost and inconvenient use exist.

Disclosure of Invention

The invention mainly aims to provide a pressure pipeline clamping type connecting structure with a simple structure.

The technical scheme adopted by the invention is as follows: a snap-in type connecting structure of a pressure pipeline comprises a first pipe body and a second pipe body. The first pipe body comprises a first connecting end and a first main body. The second body includes a second connection end and a second body. The outer diameter of the first connecting end is smaller than the inner diameter of the second connecting end. The first connecting end is provided with an inner convex ring and an outer convex ring, the sealing ring is arranged in a ring groove defined by the inner convex ring and the outer convex ring, the surface of the sealing ring is contacted and connected with the corresponding surfaces of the first connecting end and the second connecting end, and the free end face of the first connecting end is contacted and connected with the free end face of the second connecting end. The second connecting end is provided with a plurality of connecting grooves, a plurality of connecting clamping jaws are correspondingly arranged on the first pipe body, one end of each connecting clamping jaw is fixedly connected with the first connecting end, a limiting clamping hook is arranged at the free end of each connecting clamping jaw, the length of the middle end of each connecting clamping jaw is greater than that of the second connecting end, the middle part of the middle end of each connecting clamping jaw is positioned in the corresponding connecting groove, and the width of each of the middle end of each connecting clamping jaw and the width of each limiting clamping hook are smaller than that of each connecting groove; the limiting clamping hook is connected with the second connecting end and the connecting side face of the second main body.

The sealing ring is arranged in the annular groove defined by the inner convex ring and the outer convex ring to realize sealing, and the middle end of the connecting clamping jaw and the width of the limiting clamping hook are both smaller than the width of the connecting groove, so that the first pipe body and the second pipe body can rotate, and the rotating activity of a certain angle can be provided to match the situation of an installation site.

Preferably, the free end of the coupling jaw is provided with a guide slope. This preferred scheme, the installation is connected to the second body of the first body of being convenient for.

Preferably, the fixedly connecting part of the connecting claw and the first connecting end is provided with a plurality of reinforcing ribs. This preferred scheme is favorable to improving structural strength and rigidity, and then improves life.

Preferably, the middle end of the connecting jaw is concave toward the second connecting end, and the middle part of the middle end of the connecting jaw is in contact with the outer surface of the second connecting end. This preferred scheme, rational in infrastructure is favorable to improving connection speed, improves and connects the quality.

Preferably, the free end of the second connection end is provided with a notch, correspondingly, the first connection end is provided with a positioning protrusion protruding into the notch, the distance between the two side surfaces of the positioning protrusion is smaller than the distance between the two side surfaces of the notch, and the difference between the distance between the two side surfaces of the notch and the distance between the two side surfaces of the positioning protrusion is equal to the difference between the distance between the two side surfaces of the connection groove and the distance between the two side surfaces of the connection claw. This preferred scheme is favorable to improving pressure pipeline buckle formula connection structure's life.

Preferably, the free end of the male ring is chamfered. This preferred scheme is convenient for improve the connection installation rate of first body and second body.

In conclusion, the beneficial effects of the invention are as follows: first body, second body can be at the certain limit internal rotation to can provide the rotatory activity of certain angle with the condition of matching the installation scene, overall structure is simple simultaneously, and the installation effectiveness is high.

Drawings

FIG. 1: the invention has a structure schematic diagram;

FIG. 2: a schematic top view of the present invention;

FIG. 3: the rear view of the invention is schematically shown.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

As shown in fig. 1 to 3, the present invention includes a first pipe 1 and a second pipe 2. The first tubular body 1 comprises a first connection end 1.1 and a first body 1.2. The second tubular body 2 comprises a second connection end 2.1 and a second body 2.2. The outer diameter of the first connection end 1.1 is smaller than the inner diameter of the second connection end 2.1. The first connecting end 1.1 is provided with an inner convex ring 1,3 and an outer convex ring 1.4, the sealing ring 3 is arranged in a ring groove defined by the inner convex ring 1,3 and the outer convex ring 1.4, the surface of the sealing ring 3 is contacted and connected with the corresponding surfaces of the first connecting end 1.1 and the second connecting end 2.1, and the free end surface of the first connecting end 1.1 is contacted and connected with the free end surface of the second connecting end 2.1. The second connecting end 2.1 is provided with two connecting grooves 2.3, and correspondingly the first pipe body 1 is provided with two connecting clamping jaws 1.5. One end of the connecting clamping jaw 1.5 is fixedly connected with the first connecting end 1.1, the free end of the connecting clamping jaw 1.5 is provided with a limiting clamping hook 1.51, the length of the middle end of the connecting clamping jaw 1.5 is greater than that of the second connecting end 2.1, the middle part of the middle end of the connecting clamping jaw 1.5 is positioned in the corresponding connecting groove 2.3, the width of the middle end of the connecting clamping jaw 1.5 and the width of the limiting clamping hook 1.51 are both smaller than that of the connecting groove 2.3, and the limiting clamping hook 1.5 is connected with the second connecting end 2.1 and the connecting side surface 2.4 of the second main body 2.2.

Preferably, the free end of the connecting claw 1.5 is provided with a guide inclined plane 1.6, the fixedly connecting part of the connecting claw 1.5 and the first connecting end 1.1 is provided with two reinforcing ribs 1.7, the middle end of the connecting claw 1.5 is concave to the second connecting end 2.1, the middle part of the middle end of the connecting claw 1.5 is in contact connection with the outer surface of the second connecting end 2.1, and the free end of the outer convex ring 1.4 is chamfered. The free end of the second connecting end 2.1 is provided with a notch 2.5, correspondingly, the first connecting end 1.1 is provided with a positioning bulge 1.8 which is protruded into the notch 2.6, the distance between two side surfaces of the positioning bulge 1.8 is smaller than the distance between two side surfaces of the notch 2.5, and the difference between the distance between the two side surfaces of the notch and the distance between the two side surfaces of the positioning bulge is equal to the difference between the distance between the two side surfaces of the connecting groove and the distance between the two side surfaces of the connecting clamping jaw.

The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the structure and scope of the invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes in the shapes, structures and design objectives of the present invention are intended to be covered by the present invention, and all such equivalent changes are intended to be protected by the present invention.