Elastic piece and pipeline vibration isolation device

Abstract

The invention discloses an elastic part and a pipeline vibration isolation device and relates to the technical field of elastic parts. Comprising a rubber body and cord fabric, the rubber body is used for wrapping the cord fabric to form a whole, and the two ends of the cord fabric extend out of the rubber body respectively. The steel wire rings are connected to the two ends of the cord fabric in a one-to-one correspondence mode, penetrating holes are formed in the two ends, extending out of the rubber body, of the cord fabric respectively, and the steel wire rings are used for penetrating through the penetrating holes of the cord fabric. The end, located on the cord fabric, of the rubber body is provided with an annular check ring, and a plurality of limiting holes are evenly distributed in the annular check ring. In the working process, the cord fabric is wrapped by the rubber body to form a whole vulcanized body, and the strength is improved on the basis of ensuring the elasticity; meanwhile, the two ends of the cord fabric extend out of the rubber body respectively, installation and connection are convenient, and the elastic pieces are convenient to disassemble and assemble.

Description

Technical Field

[0001] The present invention relates to the technical field of elastic components, and in particular to an elastic component and a pipeline vibration isolation device. Background Art

[0002] Elastomers refer to materials that can return to their original shape after the external force is removed. Elastomers are polymer materials that only deform significantly under weak stress and can quickly return to a state and size close to their original state after stress relaxation.

[0003] Elastomers are widely used and have many applications. However, elastomers such as rubber rings and rubber rings have a single function in pipeline vibration reduction and cannot meet the use requirements.

[0004] For example, the patent with publication number CN112963627A published by the State Intellectual Property Office on June 15, 2021, and named "A double-layer vibration isolation device for elastic pipeline penetration". The applicant has achieved good vibration reduction performance through double-layer vibration isolation design, but its structure is relatively complex and cannot meet the requirements of lower stiffness. Summary of the invention

[0005] In view of the above problems, the present invention provides an elastic member and a pipeline vibration isolation device which have a simple structure, are easy to process and can meet different usage requirements.

[0006] The technical solution of the present invention is: an elastic member, comprising a vulcanized body, the vulcanized body is annular, comprises a rubber body and a cord fabric, the rubber body is used to wrap the cord fabric to form an integral body, Two ends of the cord fabric extend out of the rubber body respectively.

[0007] The wire rings are connected to the two ends of the cord fabric one by one. Both ends of the cord fabric extending out of the rubber body are respectively provided with holes, and the wire ring is used to pass through the holes of the cord fabric.

[0008] The rubber body is provided with an annular retaining ring at one end of the cord fabric, and a plurality of limiting holes are evenly distributed on the annular retaining ring.

[0009] The cross section of the rubber body is in an arc-shaped curved shape.

[0010] A pipeline vibration isolation device comprises the elastic member.

[0011] It also includes a tube body, a pair of coaxially arranged welding pads and a pair of welding pads. A pair of welding pads pass through and are connected to the bulkhead, and a pair of welding pads are respectively connected to two sides of the bulkhead, and the welding pads are connected to the welding pads one by one; The tube body is used to pass through a pair of welding cushion cylinders, and an axial stopper is provided on the tube body at the outer side of the welding cushion cylinders. The elastic member has a pair, and the elastic member corresponds to the welding pad one by one; One end of the vulcanized body in the elastic member is connected to the welding pad through a vulcanized body frame 1, and the other end is arranged on the outside of the axial limiter through a vulcanized body frame 2. The tube body is provided with a nut connected by threads on the outer side of the second sulfide frame.

[0012] The vulcanized body skeleton is used to limit the cord fabric extending out of one end of the rubber body; The second vulcanized body skeleton is used to limit the cord fabric extending out of the other end of the rubber body.

[0013] An axial sealing O-ring is arranged between the first sulfide frame and the welding pad; and a radial sealing O-ring is arranged between the second sulfide frame and the tube body.

[0014] A rubber layer is provided inside the axial limiter. The pipeline is provided with a rubber layer on the inner side of the axial limiter.

[0015] The annular retaining ring on the rubber body is used to contact the vulcanized body frame one, and the limiting hole is used to place screws connecting the vulcanized body frame one and the welding pad.

[0016] During operation, the rubber body wraps the cord fabric to form a vulcanized body as a whole, thereby improving the strength while ensuring the elasticity; at the same time, both ends of the cord fabric extend out of the rubber body respectively, which is convenient for installation and connection and for assembling and disassembling the elastic member. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation of the present invention or the technical solution in the prior art, the following briefly introduces the drawings required for the specific implementation or the prior art description. In the drawings, each part is not necessarily drawn according to the actual scale.

[0018] Figure 1 It is a structural schematic diagram of the present invention, Figure 2 yes Figure 1 The structural diagram of the M direction, Figure 3 It is a structural diagram of the pipeline vibration isolation device. Figure 4 yes Figure 3 A partial enlarged view of the middle A; In the figure, 1 is a vulcanized body, 101 is a rubber body, 102 is a cord fabric, 103 is a perforation, 104 is an annular retaining ring, and 105 is a limiting hole. 2 is a wire ring, 3 is a tube body, 31 is an axial limiter, 4 is a welding washer, 5 is a welding pad, 6 is a bulkhead, 7 is a vulcanized body frame one, 8 is a vulcanized body frame two, 9 is a nut, 10 is an axial sealing O-ring, 11 is a radial sealing O-ring, 12 is a rubber layer one, 13 is a rubber layer two, and 14 is a screw. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The present invention Figure 1-4 As shown, an elastic member includes a vulcanized body 1, the vulcanized body is annular, includes a rubber body 101 and a cord fabric 102, the rubber body 101 is used to wrap the cord fabric 102 to form a whole, Two ends of the cord fabric 102 extend out of the rubber body 101 respectively.

[0023] During operation, the rubber body wraps the cord fabric to form a vulcanized body as a whole, thereby improving the strength while ensuring the elasticity; at the same time, both ends of the cord fabric extend out of the rubber body respectively, which is convenient for installation and connection and for assembling and disassembling the elastic member.

[0024] In use, the cord fabric can be a whole ring or a plurality of strips evenly distributed in a ring.

[0025] It also includes a pair of wire rings 2, which are connected to the two ends of the tire cord fabric 102 in a one-to-one correspondence. Both ends of the cord fabric 102 extending out of the rubber body are respectively provided with perforations 103 (the ends of the cord fabric are bent to form the perforations), and the wire ring 2 is used to pass through the perforations 103 of the cord fabric.

[0026] A wire ring is provided to connect to the perforations of the cord fabric to form a whole and improve the strength.

[0027] The rubber body is provided with an annular retaining ring 104 at one end of the tire cord fabric, and a plurality of limiting holes 105 are evenly distributed on the annular retaining ring.

[0028] An annular retaining ring and a limiting hole are provided to play a positioning role.

[0029] The cross section of the rubber body 101 is in an arc-shaped curved shape. In this way, the rubber body is arranged in a recurved structure to meet the low rigidity requirement.

[0030] A pipeline vibration isolation device comprises an elastic member.

[0031] It also includes a tube body 3, a pair of coaxially arranged welding pads 4 and a pair of welding pads 5. A pair of welding pads 4 pass through and connect to the bulkhead 6, and a pair of welding pads 5 are respectively connected to the two sides of the bulkhead 6, and the welding pads 5 are connected to the welding pads 4 one by one, and the welding pads are arranged on the outer ring of the welding pads; The tube body 3 is used to pass through a pair of welding cushions 4. An axial stopper 31 (the axial stopper is ring-shaped) is provided on the tube body at the outer side of the welding cushion. The elastic member has a pair, and the elastic member corresponds to the welding pad one by one; One end of the vulcanized body 1 in the elastic member is connected to the welding pad 5 through the vulcanized body frame 1 7, and the other end is arranged on the outside of the axial limiter 31 through the vulcanized body frame 2 8. The tube body 3 is provided with a nut 9 which is threadedly connected to the outer side of the sulfide frame 8 .

[0032] During operation, the welding gasket and the welding pad form a bulkhead reinforcement structure, and the liquid-permeable pipe body passes through a pair of welding gaskets; among them, the welding pad can be used for bulkhead reinforcement as well as for installing the vulcanized body; one end of the vulcanized body is connected to the welding pad through the vulcanized body frame 1, and the other end is arranged on the outside of the axial limiter through the vulcanized body frame 2. The nut is used to realize the compression of the vulcanized body in the pre-tightened state to ensure the support of the vulcanized body to the pipeline, and also to ensure the relative position of the vulcanized body and the pipeline, so as to ensure the sealing of the radial sealing O-ring.

[0033] The vulcanized body adopts a recurved structure to ensure low rigidity and axial compensation displacement, and a cord fabric is arranged inside the vulcanized body to ensure strength.

[0034] The elastic part in the pipeline vibration isolation device has the functions of vibration reduction and sealing.

[0035] The vulcanized body skeleton 7 is used to limit the cord fabric extending out of one end of the rubber body; The vulcanized body frame 2 8 is used to limit the cord fabric extending out of the other end of the rubber body.

[0036] Since the two ends of the cord fabric extend out of the rubber body respectively, they are limited and fixed by the vulcanized body frame 1 and the vulcanized body frame 2.

[0037] The sulfide frame one and the sulfide frame two are both ring-shaped. In application, the sulfide frame one and the sulfide frame two are split, and the two parts are butt-jointed and wrapped to limit the position, which is convenient for disassembly and assembly.

[0038] An axial sealing O-ring 10 is provided between the vulcanized body frame 1 7 and the welding pad 5; a radial sealing O-ring 11 is provided between the vulcanized body frame 2 8 and the tube body 3. The axial sealing O-ring and the radial sealing O-ring cooperate to achieve bidirectional sealing.

[0039] The axial stopper is provided with a rubber layer (ie, rubber layer 12) for achieving buffering under axial impact conditions. In application, the outer diameter of the axial stopper is larger than the inner diameter of the welding cushion tube.

[0040] The pipeline is provided with a rubber layer (ie, rubber layer 2 13) on the inner side of the axial limiter.

[0041] It is used to prevent damage caused by local stress concentration due to direct contact between the pipe body passing liquid and the welded gasket under radial impact environment.

[0042] The annular retaining ring 104 on the rubber body is used to contact the vulcanized body frame 1 7, and the limiting hole 105 is used to place the screw 14 connecting the vulcanized body frame 1 and the welding pad.

[0043] The annular retaining ring plays a further limiting role, and the limiting hole is used to place the screw, which is convenient and reliable.

[0044] Regarding the contents disclosed in this case, there are a few points that need to be explained: (1) The drawings of the embodiments disclosed in this case only involve the structures involved in the embodiments disclosed in this case. Other structures can refer to the general design; (2) In the absence of conflict, the embodiments and features of the embodiments disclosed in this case may be combined with each other to obtain new embodiments; The above are only specific implementation methods disclosed in this case, but the protection scope of the present disclosure is not limited thereto. The protection scope disclosed in this case should be based on the protection scope of the claims.

Claims

1. An elastic member, comprising a vulcanized body, characterized in that: The vulcanized body is annular and includes a rubber body and a cord fabric. The rubber body is used to wrap the cord fabric to form a whole. Two ends of the cord fabric extend out of the rubber body respectively.

2. An elastic member according to claim 1, characterized in that: It also includes a pair of steel wire rings, which are connected to the two ends of the cord fabric in a one-to-one correspondence. Both ends of the cord fabric extending out of the rubber body are respectively provided with holes, and the wire ring is used to pass through the holes of the cord fabric.

3. The elastic member according to claim 1, characterized in that: The rubber body is provided with an annular retaining ring at one end of the cord fabric, and a plurality of limiting holes are evenly distributed on the annular retaining ring.

4. The elastic member according to claim 1, characterized in that: The cross section of the rubber body is in an arc-shaped curved shape.

5. A pipeline vibration isolation device, characterized in that: The invention comprises the elastic member described in any one of claims 1 to 4.

6. A pipeline vibration isolation device according to claim 5, characterized in that: It also includes a tube body, a pair of coaxially arranged welding pads and a pair of welding pads. A pair of welding pads pass through and are connected to the bulkhead, and a pair of welding pads are respectively connected to two sides of the bulkhead, and the welding pads are connected to the welding pads one by one; The tube body is used to pass through a pair of welding cushion cylinders, and an axial stopper is provided on the tube body at the outer side of the welding cushion cylinders. The elastic member has a pair, and the elastic member corresponds to the welding pad one by one; One end of the vulcanized body in the elastic member is connected to the welding pad through a vulcanized body frame 1, and the other end is arranged on the outside of the axial limiter through a vulcanized body frame 2. The tube body is provided with a nut connected by threads on the outer side of the second sulfide frame.

7. A pipeline vibration isolation device according to claim 6, characterized in that: The vulcanized body skeleton is used to limit the cord fabric extending out of one end of the rubber body; The second vulcanized body skeleton is used to limit the cord fabric extending out of the other end of the rubber body.

8. A pipeline vibration isolation device according to claim 6, characterized in that: An axial sealing O-ring is arranged between the first sulfide frame and the welding pad; and a radial sealing O-ring is arranged between the second sulfide frame and the tube body.

9. A pipeline vibration isolation device according to claim 6, characterized in that: A rubber layer is provided inside the axial limiter. The pipeline is provided with a rubber layer on the inner side of the axial limiter.

10. A pipeline vibration isolation device according to claim 6, characterized in that: The annular retaining ring on the rubber body is used to contact the vulcanized body frame one, and the limiting hole is used to place screws connecting the vulcanized body frame one and the welding pad.

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