Pressure-resistant and low-temperature-resistant hose

Abstract

The utility model particularly relates to a pressure-resistant and low-temperature-resistant hose. Comprising a hose body, the hose body comprises an inner layer, a first heat preservation layer, a reinforcing layer, a second heat preservation layer and an outer layer, the two ends of the hose body are connected with a first flange and a second flange correspondingly, and a plurality of circumferentially-distributed connecting frames are hinged to the end face, close to the hose body, of the first flange; the first vertical plate is vertically hinged to the end face, close to the hose body, of the first flange, the top of the first vertical plate extends to the outer portion of the first flange, the top of the first vertical plate is fixedly connected with a horizontal plate, the other end of the horizontal plate is fixedly connected with a second vertical plate which is vertically arranged, the second vertical plate is horizontally connected with a fixing bolt, and the first flange is matched with the second flange. When the first flange and the second flange are connected, the fixing bolt abuts against the end face of the first flange. The fixing bolts abut against the end face of the second flange by rotating the fixing bolts, so that the two hose bodies are connected, and installation is convenient.

Description

Technical Field

[0001] The utility model relates to the field of hoses, in particular to a hose that is resistant to pressure and low temperature. Background Art

[0002] Hoses are generally used to transmit gas or liquid. In cold places, liquid transmission is easily affected by temperature. Moreover, when the hose is not long enough, it needs to be spliced. Usually, additional connectors are required for installation. There are also many parts and components, and it cannot be quickly fixed and installed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a pressure-resistant and low-temperature-resistant hose.

[0004] The technical solution of the utility model is achieved as follows: a pressure-resistant and low-temperature-resistant hose comprises a hose body, the hose body comprises an inner layer, a thermal insulation layer 1, a reinforcement layer, a thermal insulation layer 2 and an outer layer, the two ends of the hose body are respectively connected with flange 1 and flange 2, a plurality of circumferentially distributed connecting frames are hingedly connected to an end face of flange 1 close to the hose body, the connecting frame comprises a vertical plate 1, the vertical plate 1 is vertically hinged to an end face of flange 1 close to the hose body, the top of the vertical plate 1 extends to the outside of flange 1, the top of the vertical plate 1 is fixedly connected with a horizontal plate, the other end of the horizontal plate is fixedly connected with a vertically arranged vertical plate 2, the vertical plate 2 is horizontally connected with fixing bolts, flange 1 and flange 2 cooperate with each other, and when flange 1 and flange 2 are connected, the fixing bolts press against the end face of flange 1.

[0005] The reinforcing layer is a spring, and the spring is sleeved on the outside of the inner layer.

[0006] The first insulation layer and the second insulation layer are made of thermal insulation cotton.

[0007] The inner layer is oil resistant synthetic rubber and the outer layer is weather resistant black synthetic rubber.

[0008] The vertical plate 1 is hinged to the flange 1 through a hinge seat, and the hinge seat is installed on an end surface of the flange 1 close to the hose body.

[0009] Nuts are fixedly connected to both sides of the second vertical plate, and the nuts are threadedly connected to the fixing bolts.

[0010] A plurality of annular grooves are arranged on the end surface of the flange 1, and rubber rings are placed in the grooves.

[0011] The end surface of the fixing bolt is fixedly connected with a rubber sheet.

[0012] The technical solution of the utility model has the following positive effects: the utility model is provided with a thermal insulation layer 1 and a thermal insulation layer 2, and the thermal insulation layer 1 and the thermal insulation layer 2 are both made of thermal insulation cotton, which increases the thermal insulation performance and improves the low temperature resistance performance. When the hose body needs to be spliced, the flange 1 and the flange 2 of each hose body are matched, and the fixing bolts are rotated to make the fixing bolts press against the end face of the flange 2, so that the two hose bodies are connected, which is convenient for installation; the reinforcement layer increases the bending resistance of the hose body; the rubber sheet is soft and will not cause damage to the flange 1. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the structural front view of the utility model.

[0014] Figure 2 This is a connection diagram of the hose body.

[0015] Figure 3 This is a side view of flange 1.

[0016] Figure 4 It is a structural schematic diagram of a specific implementation method. DETAILED DESCRIPTION

[0017] like Figure 1-4 A pressure-resistant and low-temperature-resistant hose is shown, comprising a hose body 1, the hose body 1 comprising an inner layer 2, an insulation layer 3, a reinforcement layer 4, an insulation layer 5 and an outer layer 6, the reinforcement layer 4 being a wire winding layer, the two ends of the hose body 1 being respectively connected with a flange 7 and a flange 8, the flange 7 being hinged to one end face of the hose body 1 close to a plurality of circumferentially distributed connecting frames 9, the connecting frame 9 comprising a vertical plate 10, the vertical plate 10 being vertically hinged to one end face of the flange 7 close to the hose body 1, the top of the vertical plate 10 extending to the outside of the flange 7, the vertical plate 10 A horizontal plate 11 is fixedly connected to the top, and a vertically arranged vertical plate 2 12 is fixedly connected to the other end of the horizontal plate 11. A fixing bolt 13 is horizontally connected to the vertical plate 2 12, and flange 1 7 and flange 2 8 cooperate with each other. Specifically, when two hose bodies 1 need to be spliced, flange 1 7 of one hose body 1 cooperates with flange 2 8 of the other hose body 1, and flange 1 7 is contacted and connected with the end face of flange 2 8, and then the fixing bolt 13 is rotated to make the fixing bolt press against the end face of flange 2 8, thereby connecting the two hose bodies 1 for easy installation.

[0018] The reinforcing layer 4 is a spring, which is sleeved on the outside of the inner layer 2; the spring increases the anti-bending performance of the hose body.

[0019] The insulation layer 1 3 and the insulation layer 2 5 are made of insulation cotton; specifically, two insulation layers are provided to increase the insulation effect.

[0020] The inner layer 2 is oil resistant synthetic rubber and the outer layer 6 is weather resistant black synthetic rubber.

[0021] The vertical plate 10 is hinged to the flange 17 through a hinge seat, and the hinge seat is installed on an end surface of the flange 7 close to the hose body 1; specifically, when assembling the flange 17 and the flange 28, the vertical plate 10 can be rotated toward the direction of the flange 17 first, and then the flange 17 and the flange 28 can be fitted together; if it is fixed, it will affect the fitting of the flange 2 and the flange 17.

[0022] Nuts 14 are fixedly connected to both sides of the vertical plate 12, and the nuts 14 are threadedly connected to the fixing bolts 13; the nuts 14 are provided to increase the contact area with the fixing bolts 13, and also facilitate processing, so that the flange 1 7 and the flange 2 8 are fixed more tightly.

[0023] A plurality of annular grooves 16 are provided on the end surface of flange 1 7 , and rubber rings 17 are placed in the grooves 16 ; when flange 1 7 and flange 2 8 are connected, the rubber rings 17 are squeezed, thereby increasing the sealing between flange 1 7 and flange 2 8 .

[0024] The end surface of the fixing bolt 13 is fixedly connected with a rubber sheet 15; the rubber sheet 15 is soft and will not cause damage to the flange 7.

Claims

1. A pressure-resistant and low-temperature-resistant hose, comprising a hose body, characterized in that: The hose body includes an inner layer, an insulation layer 1, a reinforcement layer, an insulation layer 2 and an outer layer. The two ends of the hose body are respectively connected with flange 1 and flange 2. A plurality of circumferentially distributed connecting frames are hingedly connected to an end face of flange 1 close to the hose body. The connecting frame includes a vertical plate 1. The vertical plate 1 is vertically hinged to an end face of flange 1 close to the hose body. The top of the vertical plate 1 extends to the outside of flange 1. The top of the vertical plate 1 is fixedly connected with a horizontal plate. The other end of the horizontal plate is fixedly connected with a vertically arranged vertical plate 2. The vertical plate 2 is horizontally connected with fixing bolts. Flange 1 and flange 2 cooperate with each other. When flange 1 and flange 2 are connected, the fixing bolts are pressed against the end face of flange 1.

2. A pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: The reinforcing layer is a spring, and the spring is sleeved on the outside of the inner layer.

3. The pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: The first insulation layer and the second insulation layer are made of thermal insulation cotton.

4. The pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: The inner layer is oil resistant synthetic rubber and the outer layer is weather resistant black synthetic rubber.

5. The pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: The vertical plate 1 is hinged to the flange 1 through a hinge seat, and the hinge seat is installed on an end surface of the flange 1 close to the hose body.

6. The pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: Nuts are fixedly connected to both sides of the second vertical plate, and the nuts are threadedly connected to the fixing bolts.

7. The pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: A plurality of annular grooves are arranged on the end surface of the flange 1, and rubber rings are placed in the grooves.

8. The pressure-resistant and low-temperature-resistant hose according to claim 1, characterized in that: The end surface of the fixing bolt is fixedly connected with a rubber sheet.

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