Steel bushing steel compensation elbow

Abstract

The utility model discloses a steel-in-steel compensation elbow, and relates to the technical field of auxiliary devices for steel-in-steel connection, the steel-in-steel compensation elbow is characterized in that an outer fixing round sleeve is arranged outside a compensation elbow main body, and an anti-skid outer cushion block is fixedly connected with the compensation elbow main body through more than two built-in H-shaped blocks; the number of the anti-skid outer cushion blocks is two or more, and built-in filling layers are arranged outside the anti-skid outer cushion blocks. The thermal insulation inner layer is arranged in the outer fixing round sleeve, and the thermal insulation inner layer is fixedly connected with the outer fixing round sleeve through a clamping groove; according to the steel bushing steel compensation elbow, heat borne by equipment can be effectively and better isolated to the outside through the design of the heat insulation inner layer, and therefore the probability of external melting of the equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for steel-in-steel connection, in particular to a steel-in-steel compensating elbow. Background Art

[0002] Steel-in-steel compensation elbow is a special pipe connector, usually used in pipeline systems under special environments such as high temperature, high pressure, and corrosive conditions. This elbow consists of two layers of steel pipes, the inner layer is the working steel pipe, used to transport fluids; the outer layer is the casing, usually a thick-walled steel pipe, used to protect the working steel pipe and play a certain supporting role.

[0003] Chinese patent authorization announcement number CN220016512U, authorization announcement date November 14, 2023, a steel-in-steel compensating elbow, including an inner steel pipe, the outer surface of the inner steel pipe is provided with a partition, the outer surface of the partition is overlapped with a support frame, the bottom of the support frame is fixedly connected with an outer steel pipe, and the top of the support frame is provided with a through groove; the outer surface of the inner steel pipe is fixedly connected with a steel bar, one side of the steel bar is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a baffle, and the baffle is overlapped with the partition; the support frame is composed of a top arc plate, two left and right inclined plates and a bottom arc plate, the arc surface of the top arc plate is in contact with the outer surface of the partition, and the bottom arc surface of the bottom arc plate is in contact with the inner surface of the outer steel pipe, the support frame is connected to the outer steel pipe by welding, and the interior of the support frame is hollow.

[0004] Although the above scheme sets a support frame, the outer surface of the partition is overlapped with the support frame, the bottom of the support frame is fixedly connected with an outer steel pipe, the top of the support frame overlaps the partition and the bottom of the outer steel pipe is welded to the support frame, so the three support frames arranged in a circular array inside the outer steel pipe of the support frame can support the partition, and the three support frames can reduce the supporting force of the steel bars on the partition and the inner steel pipe, avoiding deformation of the center position of the inner steel pipe and the partition, but when it is used, it often has the problem of increased probability of equipment damage due to insufficient temperature insulation. For this purpose, we propose a steel-in-steel compensating elbow. Utility Model Content

[0005] The utility model aims to provide a steel-in-steel compensating elbow to solve the problem in the above background technology that the existing steel-in-steel compensating elbow is often not well isolated from the temperature during use, thus increasing the probability of equipment damage.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a steel-in-steel compensating elbow, comprising: a compensating elbow body,

[0007] An external fixed circular sleeve is arranged outside the compensation elbow body, and the anti-skid outer pad is fixedly connected to the compensation elbow body through a built-in H-shaped block, the built-in H-shaped blocks are provided with more than two, the anti-skid outer pad is provided with more than two, and the anti-skid outer pad is provided with a built-in filling layer outside;

[0008] The thermal insulation inner layer is arranged inside the outer fixed circular sleeve, and the thermal insulation inner layer and the outer fixed circular sleeve are fixedly connected through a clamping groove.

[0009] Preferably, an elbow protection sleeve is provided at the middle position of one side of the outer fixed circular sleeve, and the elbow protection sleeve is fixedly connected to the outer fixed circular sleeve via a slot, and two elbow protection sleeves are provided.

[0010] Preferably, an elbow protection sleeve is provided at the middle position of one side of the outer fixed circular sleeve, and the elbow protection sleeve is fixedly connected to the outer fixed circular sleeve via a slot, and two elbow protection sleeves are provided.

[0011] Preferably, a reserved through groove is provided at a middle position inside the main body of the compensating elbow, and both ends of the built-in H-shaped block are provided with flow grooves.

[0012] Preferably, a built-in soft block is provided at the middle position inside the built-in H-shaped block, and both sides of the built-in soft block are fixedly connected to the built-in H-shaped block through supporting ladder blocks, and more than two built-in soft blocks and supporting ladder blocks are provided.

[0013] Preferably, a circulation transverse groove is provided at one end of the supporting ladder block, a non-Newtonian fluid is provided outside the built-in soft block, and the non-Newtonian fluid is fixedly connected to the built-in H-shaped block via a slot.

[0014] Preferably, the thermal insulation inner layer comprises a glass wool layer, a polyurethane layer and a rubber-plastic sponge layer, one end of the glass wool layer is provided with a polyurethane layer, and the other end of the polyurethane layer is provided with a rubber-plastic sponge layer, and the glass wool layer, polyurethane layer and rubber-plastic sponge layer are all integrated structures.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Compared with the existing auxiliary device for steel-in-steel connection, this type of steel-in-steel compensating elbow is equipped with a thermal insulation inner layer. The design of the thermal insulation inner layer can effectively isolate the heat received by the equipment from the outside, thereby reducing the probability of melting on the outside of the equipment, and solving the problem that the existing steel-in-steel compensating elbow is often not well isolated from the temperature during use, which increases the probability of equipment damage.

[0017] 2. Compared with the existing auxiliary device for steel-in-steel connection, this type of steel-in-steel compensating elbow is equipped with a built-in H-block, a non-Newtonian fluid and a built-in soft block. The design of the built-in H-block makes the fixation of the non-Newtonian fluid and the built-in soft block more convenient. The combined design of the above components can effectively increase the pressure resistance of the equipment during use, solving the problem that the existing steel-in-steel compensating elbow often has a low pressure resistance during use, which increases the probability of equipment bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structural front view of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 A partial enlarged view of area A;

[0021] Figure 4 It is a schematic diagram of the internal structure of the thermal insulation inner layer of the utility model.

[0022] In the figure: 1. External fixing circular sleeve; 2. Elbow protective outer sleeve; 3. Anti-slip outer pad; 4. Compensating elbow body; 5. Reserved through groove; 6. Built-in filling layer; 7. Insulation inner layer; 8. Built-in H-shaped block; 9. Circulation horizontal groove; 10. Support ladder block; 11. Non-Newtonian fluid; 12. Built-in soft block; 13. Circulation groove; 701. Glass wool layer; 702. Polyurethane layer; 703. Rubber-plastic sponge layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 The utility model provides an embodiment: a steel sleeve steel compensation elbow, comprising: a compensation elbow body 4,

[0025] An external fixed circular sleeve 1 is arranged outside the compensation elbow body 4, and the anti-skid outer pad 3 is fixedly connected to the compensation elbow body 4 through an internal H-shaped block 8, more than two internal H-shaped blocks 8 are provided, more than two anti-skid outer pads 3 are provided, and an internal filling layer 6 is provided outside the anti-skid outer pad 3;

[0026] The thermal insulation inner layer 7 is arranged inside the outer fixing circular sleeve 1, and the thermal insulation inner layer 7 and the outer fixing circular sleeve 1 are fixedly connected via a clamping groove.

[0027] When in use, first move the steel-in-steel compensating elbow to the position where it needs to be used. At this time, the heat in the environment can be effectively isolated from the outside of the external fixed circular sleeve 1 by the thermal insulation inner layer 7 arranged inside the external fixed circular sleeve 1, thereby effectively increasing the service life of the external fixed circular sleeve 1 during use and reducing the probability of the external part of the equipment melting and being unable to be used normally due to excessive heat.

[0028] See also Figure 1 and Figure 2 , an elbow protective jacket 2 is provided at the middle position of one side of the external fixed circular sleeve 1, and the elbow protective jacket 2 is fixedly connected to the external fixed circular sleeve 1 through a card slot, so that the connection between the elbow protective jacket 2 and the external fixed circular sleeve 1 is more secure, and two elbow protective jackets 2 are provided, and anti-skid outer pads 3 are provided on both sides of the elbow protective jacket 2, and the anti-skid outer pads 3 are fixedly connected to the external fixed circular sleeve 1 by the card slot, so that the connection between the anti-skid outer pads 3 and the external fixed circular sleeve 1 is more secure, and more than two anti-skid outer pads 3 are provided, and a reserved through groove 5 is provided at the middle position inside the compensation elbow body 4;

[0029] See also Figure 3 and Figure 4 , both ends of the built-in H-shaped block 8 are provided with flow grooves 13, a built-in soft block 12 is provided at the middle position inside the built-in H-shaped block 8, and the two sides of the built-in soft block 12 are fixedly connected to the built-in H-shaped block 8 through the supporting ladder block 10, so that the connection between the two sides of the built-in soft block 12 and the built-in H-shaped block 8 is more firmly, and the built-in soft block 12 and the supporting ladder block 10 are provided with more than two, and a flow transverse groove 9 is provided at one end of the supporting ladder block 10. A non-Newtonian fluid 11 is provided on the outside of the built-in soft block 12, and the non-Newtonian fluid 11 is fixedly connected to the built-in H-shaped block 8 through a card slot, so that the connection between the non-Newtonian fluid 11 and the built-in H-shaped block 8 is more firmly, and the thermal insulation inner layer 7 includes a glass wool layer 701, a polyurethane layer 702 and a rubber-plastic sponge layer 703, one end of the glass wool layer 701 is provided with a polyurethane layer 702, and the other end of the polyurethane layer 702 is provided with a rubber-plastic sponge layer 703, and the glass wool layer 701, the polyurethane layer 702 and the rubber-plastic sponge layer 703 are all integrated structures.

[0030] Working principle: When in use, first move the steel-in-steel compensating elbow to the position where it is needed. At this time, the heat in the environment can be effectively isolated from the outside of the external fixed circular sleeve 1 by the thermal insulation inner layer 7 arranged inside the external fixed circular sleeve 1, thereby effectively increasing the service life of the external fixed circular sleeve 1 during use and reducing the probability of the equipment melting and being unable to be used normally due to excessive heat. When this steel-in-steel compensating elbow is in use, the multiple built-in H-blocks 8 arranged inside the built-in filling layer 6 and the non-Newtonian fluid 11 and built-in soft blocks 12 arranged inside it can effectively increase the pressure resistance of the equipment during operation, and better absorb the impact force exerted on the equipment.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A steel-in-steel compensating elbow, comprising a compensating elbow body (4), characterized in that: An external fixed circular sleeve (1) is arranged outside the compensation elbow body (4), and the anti-skid outer pad (3) is fixedly connected to the compensation elbow body (4) via a built-in H-shaped block (8), wherein two or more built-in H-shaped blocks (8) are provided, and two or more anti-skid outer pads (3) are provided, and a built-in filling layer (6) is provided outside the anti-skid outer pad (3); The thermal insulation inner layer (7) is arranged inside the outer fixed circular sleeve (1), and the thermal insulation inner layer (7) and the outer fixed circular sleeve (1) are fixedly connected via a clamping groove.

2. A steel-in-steel compensating elbow according to claim 1, characterized in that: An elbow protective sleeve (2) is provided at the middle position of one side of the outer fixing circular sleeve (1), and the elbow protective sleeve (2) is fixedly connected to the outer fixing circular sleeve (1) via a clamping groove, and two elbow protective sleeves (2) are provided.

3. A steel-in-steel compensating elbow according to claim 2, characterized in that: Anti-skid outer pads (3) are provided on both sides of the elbow protective sleeve (2), and the anti-skid outer pads (3) are fixedly connected to the slots of the outer fixed circular sleeve (1), and more than two anti-skid outer pads (3) are provided.

4. The steel-in-steel compensating elbow according to claim 3, characterized in that: A reserved through groove (5) is provided at a middle position inside the compensation elbow body (4), and both ends of the built-in H-shaped block (8) are provided with flow grooves (13).

5. The steel-in-steel compensating elbow according to claim 4, characterized in that: A built-in soft block (12) is arranged at a middle position inside the built-in H-shaped block (8), and two sides of the built-in soft block (12) are fixedly connected to the built-in H-shaped block (8) via a supporting ladder block (10), and more than two of the built-in soft block (12) and the supporting ladder block (10) are provided.

6. The steel-in-steel compensating elbow according to claim 5, characterized in that: One end of the supporting ladder block (10) is provided with a circulation transverse groove (9), the outside of the built-in soft block (12) is provided with a non-Newtonian fluid (11), and the non-Newtonian fluid (11) is fixedly connected to the built-in H-shaped block (8) through a slot.

7. The steel-in-steel compensating elbow according to claim 6, characterized in that: The thermal insulation inner layer (7) comprises a glass wool layer (701), a polyurethane layer (702) and a rubber-plastic sponge layer (703); the polyurethane layer (702) is arranged at one end of the glass wool layer (701), and the rubber-plastic sponge layer (703) is arranged at the other end of the polyurethane layer (702); the glass wool layer (701), the polyurethane layer (702) and the rubber-plastic sponge layer (703) are all an integrated structure.

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