阅读说明：本技术 一种坚固环保的不锈钢软连接管 (Firm and environment-friendly stainless steel flexible connecting pipe ) 是由 梁万财 于 2020-06-27 设计创作，主要内容包括：本发明公开了一种坚固环保的不锈钢软连接管,包括软连接管、螺帽和钢套,所述软连接管包括内管和设置在所述内管外围的钢丝外管,所述软连接管两端部均内插有连接内芯,所述连接内芯包括开设于所述连接内芯一端外壁上的卡固槽、成型在所述连接内芯另一端部的限位凸起和开设于所述限位凸起一侧的密封槽。有益效果在于：本发明中的内管和密封件均采用达到食品级认证标准的气象硅胶制成,可以具有耐高温的性能的同时,确保此不锈钢软连接管绿色、环保、无污染,同时,安装组件间通过加厚加长的钢套拉伸工艺连接固定,可以防止连接处腐蚀和爆裂,可以达到更高的安全防护级别,延长使用寿命。(The invention discloses a firm and environment-friendly stainless steel flexible connecting pipe which comprises a flexible connecting pipe, a screw cap and a steel sleeve, wherein the flexible connecting pipe comprises an inner pipe and a steel wire outer pipe arranged on the periphery of the inner pipe, connecting inner cores are inserted into two end parts of the flexible connecting pipe, and each connecting inner core comprises a clamping groove arranged on the outer wall of one end of the connecting inner core, a limiting bulge formed on the other end part of the connecting inner core and a sealing groove arranged on one side of the limiting bulge. Has the advantages that: the inner pipe and the sealing element are both made of meteorological silica gel meeting food-grade authentication standards, so that the stainless steel flexible connecting pipe has high temperature resistance, is environment-friendly and pollution-free, and meanwhile, the installation components are fixedly connected through a thickening and lengthening steel sleeve stretching process, so that the corrosion and burst of the joint can be prevented, a higher safety protection level can be achieved, and the service life is prolonged.)

1. The utility model provides a stainless steel flexible coupling pipe of firm environmental protection which characterized in that: comprises a flexible connection pipe (1), a screw cap (2) and a steel sleeve (3), wherein the flexible connection pipe (1) comprises an inner pipe (101) and a steel wire outer pipe (102) arranged at the periphery of the inner pipe (101), the connecting inner cores (5) are inserted into two end parts of the flexible connecting pipe (1), each connecting inner core (5) comprises a clamping groove (503) arranged on the outer wall of one end of each connecting inner core (5), a limiting bulge (502) formed at the other end part of each connecting inner core (5) and a sealing groove (501) arranged on one side of each limiting bulge (502), a sealing element (6) is arranged in the sealing groove (501) on the connecting inner core (5), the outer walls of the two ends of the flexible connecting pipe (1) are provided with the steel sleeves (3), the steel bushing (3) is externally provided with the screw cap (2), and the outer wall of the screw cap (2) is carved with a mark (4).

2. A strong and environmentally friendly stainless steel flexible connection tube according to claim 1, wherein: the steel wire outer pipe (102) is connected with the inner pipe (101) in a wrapping mode, and the connecting inner core (5) is connected with the inner pipe (101) and the steel wire outer pipe (102) in a pressing mode through the steel sleeve (3).

3. A strong and environmentally friendly stainless steel flexible connection tube according to claim 1, wherein: the sealing element (6) is of a cylindrical structure, and the sealing element (6) is connected with the sealing groove (501) in a clamping and pressing mode.

4. A strong and environmentally friendly stainless steel flexible connection tube according to claim 1, wherein: the nut (2) comprises a rotating hole (202) formed in one side of the inside of the nut (2), a limiting step (201) arranged on one side of the rotating hole (202) and a threaded hole (203) formed in the other side of the inside of the nut (2).

5. The strong and environmentally friendly stainless steel flexible connection pipe according to claim 4, wherein: nut (2) with steel bushing (3) rotate to be connected, pass through on nut (2) spacing step (201) chucking is in connect the periphery of inner core (5), steel bushing (3) are thickening extension steel bushing.

6. A strong and environmentally friendly stainless steel flexible connection tube according to claim 1, wherein: the steel wire outer pipe (102) is made of 316/316L stainless steel meshes, and the inner pipe (101) is made of meteorological silica gel platinum vulcanization technology and reaches the food-grade certification standard.

7. A strong and environmentally friendly stainless steel flexible connection tube according to claim 1, wherein: the steel bushing (3) is made of 316L stainless steel through a seamless stretching process, the nut (2) and the connecting inner core (5) are made of 316L stainless steel, and the nut (2) and the connecting inner core (5) are both processed through a numerical control go-no-go gauge standard.

8. A strong and environmentally friendly stainless steel flexible connection tube according to claim 1, wherein: the sealing element (6) is made by a meteorological silica gel platinum vulcanization process and reaches the food-grade certification standard.

9. The stainless steel flexible connecting pipe is applied to any one of claims 1 to 8, and is characterized in that: when the stainless steel flexible connecting pipe is produced and manufactured, the method mainly comprises the following steps: step 1: firstly, preparing the inner tube (101) by a rubber refining and platinum adding vulcanization process, simultaneously, injecting a platinum vulcanizing agent in the rubber refining process of the inner tube (101), weaving the steel wire outer tube (102) on the outer wall of the inner tube (101), and then blanking according to the national standard length; step two: clamping the sealing element (6) in the sealing groove (501) on the connecting inner core (5), then sequentially penetrating the connecting inner core (5) through the screw cap (2) and the steel sleeve (3), and inserting the connecting inner core into an end hole of the inner pipe (101), wherein the steel sleeve (3) is sleeved outside the steel wire outer pipe (102); and step 3: the stainless steel flexible connecting pipe is clamped on the outer wall of the steel sleeve (3) through an external clamping device, so that the steel sleeve (3) deforms under stress and is clamped between the limiting bulges (502) on the outer wall of the connecting inner core (5), and the assembling and mounting operations of the stainless steel flexible connecting pipe are realized.

10. The stainless steel flexible connecting pipe is applied to any one of claims 1 to 8, and is characterized in that: when the stainless steel flexible connecting pipe is used, the screw caps (2) at the two end parts of the flexible connecting pipe (1) are connected with a pipeline which corresponds to the outside and needs to be connected, and the sealing element (6) is pressed at the end part of the external pipeline by rotating the screw caps (2) to be matched with the external thread of the outside, so that the sealing connection of the connecting pipeline is realized.

Technical Field

The invention relates to the technical field of stainless steel flexible connection, in particular to a firm and environment-friendly stainless steel flexible connection pipe.

Background

The stainless steel flexible connecting pipe is an industrial metal material with flexibility, good temperature resistance and pressure resistance. Classified by use: mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm and a diaphragm capsule and the like. The metal corrugated pipe is formed by performing waveform processing on a thin-wall stainless steel welded pipe, is rich in flexibility and good in temperature resistance and pressure resistance, is suitable for conveying various industrial gases such as air and steam and various fluid media such as water, oil, medicines and the like, plays an important role in reciprocating motion of a pipe system, absorption of a thermal expansion system, absorption of vibration and center adjustment of a pipe, and is mostly used for double-end stainless steel flexible connection.

However, the inner tube material in the existing double-end stainless steel flexible connection is mostly made of common plastics, although the cost is low, when the double-end stainless steel flexible connection is used, pollution can be brought to a conveying medium, the double-end stainless steel flexible connection is not green and environment-friendly, and meanwhile, when the double-end stainless steel flexible connection is used, due to the fact that the connection strength of the installation assembly at the end part and the hose is low, when the double-end stainless steel flexible connection is used, bursting easily occurs, and use is influenced.

Disclosure of Invention

The invention aims to solve the problems and provide a stainless steel flexible connecting pipe which is firm and environment-friendly.

The invention realizes the purpose through the following technical scheme:

the utility model provides a firm stainless steel flexible coupling pipe of environmental protection, includes flexible coupling pipe, nut and steel bushing, flexible coupling pipe includes the inner tube and sets up the outer steel wire tube of inner tube outlying, the equal interpolation in flexible coupling pipe both ends has the connection inner core, connect the inner core including seting up in connect the card groove on the outer wall of inner core one end, the shaping is in connect the spacing arch of another tip of inner core and set up in the seal groove of spacing arch one side, connect on the inner core the inside sealing member that is provided with of seal groove, be provided with on the outer wall of flexible coupling pipe both ends the steel bushing, the steel bushing outside is provided with the nut, the inscription has the sign on the nut outer wall.

Furthermore, the steel wire outer pipe is connected with the inner pipe in a cladding mode, and the connecting inner core is connected with the inner pipe and the steel wire outer pipe in a pressing mode through the steel sleeve.

Furthermore, the sealing element is of a cylindrical structure, and the sealing element is connected with the sealing groove in a clamping and pressing mode.

Furthermore, the nut includes that the shaping is in the rotation hole of the inside one side of nut, setting are in the spacing step and the shaping of rotation hole one side with the screw hole of the inside opposite side of nut.

Furthermore, the nut is rotationally connected with the steel sleeve, the nut is clamped on the periphery of the connecting inner core through the limiting step, and the steel sleeve is a thickened and lengthened steel sleeve.

Furthermore, the steel wire outer pipe is made of 316/316L stainless steel meshes, and the inner pipe is made of meteorological silica gel platinum vulcanization technology and reaches food-grade certification standards.

Furthermore, the steel sleeve is made of 316L stainless steel through a seamless stretching process, the nut and the connecting inner core are made of 316 stainless steel, and the nut and the connecting inner core are machined through a numerical control go-no-go gauge standard.

Furthermore, the sealing element is made by a meteorological silica gel platinum vulcanization process and reaches the food-grade certification standard.

The specific production process comprises the following steps: when the stainless steel flexible connecting pipe is produced and manufactured, the method mainly comprises the following steps: step 1: firstly, preparing the inner tube by a rubber refining and platinum adding vulcanization process, simultaneously injecting a platinum vulcanizing agent into the inner tube in a rubber refining process, weaving the steel wire outer tube on the outer wall of the inner tube, and then blanking according to the national standard length; step two: clamping the sealing element in the sealing groove on the connecting inner core, then sequentially penetrating the connecting inner core through the screw cap and the steel sleeve, and then inserting the connecting inner core into an end hole of the inner pipe, wherein the steel sleeve is sleeved outside the steel wire outer pipe; and step 3: the outer clamping device is clamped on the outer wall of the steel sleeve, so that the steel sleeve deforms under stress and is clamped between the limiting bulges on the outer wall of the connecting inner core, and the assembly and installation operations of the stainless steel flexible connecting pipe are realized.

The specific using method comprises the following steps: when the stainless steel flexible connecting pipe is used, the screw caps at the two end parts of the flexible connecting pipe can be connected with the corresponding pipeline needing to be connected outside, and the sealing piece is pressed at the end part of the external pipeline by rotating the screw caps to be matched with the external thread, so that the sealing connection of the connecting pipeline is realized.

The invention has the beneficial effects that:

1. the inner pipe and the sealing element are both made of meteorological silica gel meeting food-grade authentication standards, so that the stainless steel flexible connecting pipe has high temperature resistance and is green, environment-friendly and pollution-free;

2. the mounting assemblies are fixedly connected through a thickened and lengthened steel sleeve stretching process, so that corrosion and burst of a connecting part can be prevented, a higher safety protection level can be achieved, and the service life is prolonged.

Drawings

FIG. 1 is a front view of a stainless steel flexible connection tube according to the present invention;

FIG. 2 is an exploded view of a stainless steel flexible connection tube according to the present invention at A;

FIG. 3 is a front cross-sectional view at A of a strong and environmentally friendly stainless steel flexible connecting tube according to the present invention;

FIG. 4 is an internal structure view of a nut of the stainless steel flexible connection tube according to the present invention;

fig. 5 is a structural view of the strong and environment-friendly stainless steel flexible connecting tube of the present invention, in which a nut at one end is replaced with a rod.

The reference numerals are explained below:

1. a flexible connection pipe; 101. an inner tube; 102. a steel wire outer pipe; 2. a nut; 201. a limiting step; 202. rotating the hole; 203. a threaded hole; 3. steel jacket; 4. identifying; 5. connecting the inner core; 501. a sealing groove; 502. a limiting bulge; 503. a clamping groove; 6. a seal member; 7. a rod.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-4, a stainless steel flexible connecting pipe with firmness and environmental protection comprises a flexible connecting pipe 1, a screw cap 2 and a steel sleeve 3, wherein the flexible connecting pipe 1 comprises an inner pipe 101 and a steel wire outer pipe 102 arranged at the periphery of the inner pipe 101, connecting inner cores 5 are inserted into two end portions of the flexible connecting pipe 1, each connecting inner core 5 comprises a clamping groove 503 arranged on the outer wall of one end of each connecting inner core 5, a limiting protrusion 502 formed at the other end portion of each connecting inner core 5 and a sealing groove 501 arranged on one side of the limiting protrusion 502, a sealing element 6 is arranged inside the sealing groove 501 on each connecting inner core 5, the steel sleeve 3 is arranged on the outer wall of each end of the flexible connecting pipe 1, the screw cap 2 is arranged outside the steel sleeve 3, a mark 4 is carved on the outer wall of the screw cap 2, and the mark 4 can explain the product name specification, is convenient for direct finding.

In this embodiment, as shown in fig. 1, the outer steel wire tube 102 is connected to the inner tube 101 in a wrapping manner, the connecting inner core 5 is connected to the inner tube 101 and the outer steel wire tube 102 in a pressing manner through the steel sleeve 3, the steel wires of the outer steel wire tube 102 are 22 wires, the diameter precision of the steel wires is controlled to be 0.03mm, the consistency of the distance between the steel wires in the outer steel wire tube 102 can be ensured to be higher, and the pressure resistance of the outer steel wire tube 102 can be further improved.

In this embodiment, as shown in fig. 2 to 4, the sealing element 6 is a cylindrical structure, the sealing element 6 is connected to the sealing groove 501 in a clamping and pressing manner, and the sealing element 6 can achieve a sealing effect when the stainless steel flexible connecting pipe is connected to an external pipeline.

In this embodiment, as shown in fig. 1 to 4, the nut 2 includes a rotation hole 202 formed at one side inside the nut 2, a limit step 201 disposed at one side of the rotation hole 202, and a threaded hole 203 formed at the other side inside the nut 2, and the stainless steel flexible connection pipe can be connected and fixed with an external pipeline by rotating the nut 2 and matching with an external threaded connector.

In this embodiment, as shown in fig. 1-4, the nut 2 with the steel bushing 3 is rotated and is connected, the nut 2 is gone up through the spacing step 201 chucking is in connect the periphery of inner core 5, the steel bushing 3 is thickening extension steel bushing, adopts thickening extension steel bushing to fix this stainless steel flexible coupling pipe's both ends seal installation subassembly, can prevent that the junction from corroding and bursting, can reach higher safety protection level.

In this embodiment, as shown in fig. 1-2, the outer steel wire pipe 102 is made of 316/316L stainless steel mesh, and the inner pipe 101 is made of meteorological silica gel platinum vulcanization process, so as to reach food-grade certification standard, ensure that the inner pipe 101 has strong high temperature resistance, facilitate connection of pipelines with high temperature, and at the same time, reach food grade, and ensure that the stainless steel flexible connection pipe is green, environment-friendly and pollution-free.

In this embodiment, as shown in fig. 2 to 4, the steel sleeve 3 is made of 316L stainless steel by a seamless stretching process, the nut 2 and the connecting inner core 5 are made of 316 stainless steel, the nut 2 and the connecting inner core 5 are both formed by machining according to a numerical control go-no-go gauge standard, and the steel sleeve 3 made by the stretching process can greatly reduce the production cost of the steel sleeve 3 and improve the production efficiency.

In this embodiment, as shown in fig. 2 to 4, the sealing member 6 is made by a meteorological silica gel platinum vulcanization process, which reaches a food-grade certification standard, and can ensure that the stainless steel flexible connection pipe is green, environment-friendly and pollution-free.

In this case, as shown in fig. 5, the screw cap 2 at one end of the stainless steel flexible connecting pipe can be replaced by a rod, and can be directly inserted into and bound with an external hose, so that various connecting modes are provided, and the stainless steel flexible connecting pipe is practical and convenient.

The specific production process comprises the following steps: when the stainless steel flexible connecting pipe is produced and manufactured, the method mainly comprises the following steps: step 1: firstly, preparing the inner tube 101 by a rubber refining and platinum adding vulcanization process, simultaneously, injecting a platinum vulcanizing agent in the rubber refining process of the inner tube 101, weaving the steel wire outer tube 102 on the outer wall of the inner tube 101, and then blanking according to the national standard length; step two: clamping the sealing element 6 in the sealing groove 501 on the connecting inner core 5, then sequentially passing the connecting inner core 5 through the screw cap 2 and the steel sleeve 3, and inserting the connecting inner core into an end hole of the inner pipe 101, wherein the steel sleeve 3 is sleeved outside the steel wire outer pipe 102; and step 3: the stainless steel flexible connecting pipe is clamped on the outer wall of the steel sleeve 3 through an external clamping device, so that the steel sleeve 3 deforms under stress and is clamped between the limiting bulges 502 on the outer wall of the connecting inner core 5, and the assembly and installation operation of the stainless steel flexible connecting pipe is realized.

The specific using method comprises the following steps: when the stainless steel flexible connecting pipe is used, the screw caps 2 at the two ends of the flexible connecting pipe 1 are connected with the corresponding external pipeline to be connected, and the sealing piece 6 is pressed on the end part of the external pipeline by rotating the screw caps 2 to be matched with the external thread, so that the connecting pipeline is hermetically connected.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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. .