Fluorine-lined metal hose

Abstract

The utility model discloses a fluorine-lined metal hose, which relates to the technical field of pipe joints and comprises a pipe body, the pipe body is composed of a metal netted sleeve, a soft protective sleeve, a fluorine-lined rubber hose and a clamping plug inner pipe head, the soft protective sleeve is fixedly connected in a cavity of the metal netted sleeve, and the clamping plug inner pipe head is fixedly connected with the soft protective sleeve. A teflon-lined rubber hose is fixedly connected into a cavity of the soft protective sleeve, the two ends of the teflon-lined rubber hose are fixedly connected with clamping plug inner pipe heads, and the two ends of the pipe body are fixedly connected with connecting pipe head ends. According to the pipe body provided by the utility model, the hose is subjected to heat preservation protection on the basis that the connecting ends at the two ends are subjected to anti-loosening protection to avoid leakage, so that the problem that the connecting pipe heads at the two ends are loosened to cause leakage due to the fact that an existing fluorine-lined metal hose shakes due to internal fluid pressure during use is solved; at low temperature, the flow rate of the internal liquid is slowed down, and even the internal liquid is frozen to influence the use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe joint, concretely relates to a fluorine lining metal hose. BACKGROUND

[0002] The fluorine lining metal hose is usually composed of a fluorine lining rubber hose, a metal mesh sleeve and a joint sleeve, can be connected between two devices, and can flow corrosive liquid after being butt-jointed with pipelines on the devices.

[0003] The existing fluorine lining metal hose can be connected between two devices to transport gas or liquid, but the internal fluid pressure of the hose is high during use, and the continuous fluid impact can cause the fluorine lining metal hose to shake, and the shaking can cause the connection pipe joints at both ends to loosen and leak when the shaking is serious, and the metal hose cannot be insulated, which can slow down the internal liquid flow or even freeze at low temperature, thereby affecting use. UTILITY MODEL CONTENTS

[0004] In view of the above problems of the existing fluorine lining metal hose, the utility model is proposed.

[0005] Therefore, the utility model aims to provide a fluorine lining metal hose to solve the problems that the existing fluorine lining metal hose can shake due to internal fluid pressure during use, causing the connection pipe joints at both ends to loosen and leak, and cannot be insulated, which can slow down the internal liquid flow or even freeze at low temperature, thereby affecting use.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A fluorine lining metal hose comprises a pipe body composed of a metal mesh sleeve, a soft protective sleeve, a fluorine lining rubber hose and a plug inner pipe joint, the cavity of the metal mesh sleeve is fixedly connected with the soft protective sleeve, the cavity of the soft protective sleeve is fixedly connected with the fluorine lining rubber hose, both ends of the fluorine lining rubber hose are fixedly connected with the plug inner pipe joint, both ends of the pipe body are fixedly connected with a connection pipe joint end, the connection pipe joint end comprises a sealing washer, a threaded connection pipe joint and a damping ring device, the pipe wall of both ends of the pipe body is fixedly connected with the sealing washer, the pipe wall of both ends of the pipe body is slidingly connected with the threaded connection pipe joint, the pipe wall of the connection pipe joint is fixedly connected with the damping ring device through a sliding clamping mechanism, the cavity of the soft protective sleeve is provided with an insulation layer, and the inner side wall of the soft protective sleeve is fixedly connected with a reinforcing rib.

[0008] Preferably, the sliding clamping mechanism comprises a limiting sliding port and a limiting sliding block, the limiting sliding port is arranged on the side wall of the threaded connection pipe head, and the limiting sliding block is slidably connected to the limiting sliding port, and the other end of the limiting sliding block is fixedly connected to the inner side wall of the damping ring device.

[0009] Preferably, the inner pipe head of the plug comprises a hollow pipe body, and the pipe wall is fixedly connected with a rubber soft clasp ring group.

[0010] Preferably, the damping ring device comprises a limiting resisting ring, an upper gasket and a lower gasket, the limiting resisting ring is fixedly connected to one end of the pipe wall of the threaded connection pipe head, the upper gasket is slidably connected to the pipe wall of the threaded connection pipe head, the inner side wall of the lower gasket is fixedly connected to the other end of the limiting sliding block, the side wall of the upper gasket is fixedly connected with a positive clamping tooth, the side wall of the lower gasket is fixedly connected with a reverse clamping tooth, the positive clamping tooth is clamped with the reverse clamping tooth, and the opposite side walls of the upper gasket and the lower gasket are fixedly connected with damping teeth.

[0011] Further, the heat preservation layer is a heat preservation cotton filling layer.

[0012] Preferably, the surface of the damping ring device is provided with a Teflon rust-proof coating.

[0013] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0014] 1. The utility model discloses a heat preservation layer arranged in the soft protection sleeve cavity, thereby the liquid in the lined tetrafluoroethylene rubber hose is preserved, the influence of external temperature is avoided, the reinforcing rib is arranged, thereby the lined tetrafluoroethylene rubber hose is prevented from expanding and pressing the metal mesh sleeve to deform when the internal air pressure of the pipeline is too high.

[0015] 2. The utility model discloses a plug inner pipe head arranged at the two ends of the lined tetrafluoroethylene rubber hose, thereby the plug inner pipe head is inserted into the mouth of the connected object to strengthen sealing and air pressure buffering, the loosening of the connected pipe head end under air pressure impact is avoided, and the sealing gasket is arranged, thereby playing a sealing role when the threaded connection pipe head is connected with the connected object.

[0016] 3. The utility model discloses a damping ring device arranged at the pipe wall of the connected pipe head end, when the threaded connection pipe head is connected with the connected object, the lower gasket moves inwards and presses the upper gasket to move towards the limiting resisting ring, the reverse clamping tooth on the side wall of the lower gasket is clamped with the positive clamping tooth on the side wall of the upper gasket to generate friction force, the damping tooth arranged on the reverse surfaces of the two ends is further arranged to strengthen damping, thereby the damping ring device realizes damping, and the loosening and leakage caused by the reverse rotation of the threaded connection pipe head are avoided. DRAWINGS

[0017] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0018] Figure 1 It is a front structure schematic view of the present application.

[0019] Figure 2 It is a front structure sectional view of the present application.

[0020] Figure 3 It is a connecting pipe head end sectional view of the present application.

[0021] Figure 4 It is a pipe body sectional view of the present application.

[0022] Figure 5 It is a capping inner pipe head three-dimensional schematic view of the present application.

[0023] Mark explanation:

[0024] 1, pipe body; 2, metal mesh sleeve; 3, soft protective sleeve; 4, lining fluorine rubber hose; 5, capping inner pipe head; 6, connecting pipe head end; 7, sealing washer; 8, threaded connecting pipe head; 9, damping ring device; 10, heat preservation layer; 11, reinforcing rib; 12, limiting sliding port; 13, limiting sliding block; 14, rubber soft snap ring group; 15, limiting resistance ring; 16, upper washer; 17, lower washer; 18, positive tooth; 19, reverse tooth; 20, damping tooth. Specific implementation

[0025] In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.

[0026] The present application discloses a fluorine-lined metal hose.

[0027] The present application provides a kind of Figure 1-5The fluorine-lined metal hose shown comprises a pipe body 1, the pipe body 1 is composed of a metal mesh sleeve 2, a soft protective sleeve 3, a fluorine-lined rubber hose 4 and a plug inner pipe head 5, the soft protective sleeve 3 is fixedly connected in the cavity of the metal mesh sleeve 2, the fluorine-lined rubber hose 4 is fixedly connected in the cavity of the soft protective sleeve 3, the plug inner pipe head 5 is fixedly connected at both ends of the fluorine-lined rubber hose 4, the pipe body 1 is fixedly connected with a connecting pipe head end 6 at both ends, the connecting pipe head end 6 comprises a sealing washer 7, a threaded connecting pipe head 8 and a damping ring device 9, the sealing washer 7 is fixedly connected to the pipe wall at both ends of the pipe body 1, the threaded connecting pipe head 8 is slidingly connected to the pipe wall at both ends of the pipe body 1, the damping ring device 9 is fixedly connected to the pipe wall of the threaded connecting pipe head 8 through a sliding clamping mechanism, a heat preservation layer 10 is arranged in the cavity of the soft protective sleeve 3, a reinforcing rib 11 is fixedly connected to the inner side wall of the soft protective sleeve 3, the heat preservation layer 10 arranged in the cavity of the soft protective sleeve 3 is used to preserve the liquid in the fluorine-lined rubber hose 4, so as to avoid the influence of external temperature, the reinforcing rib 11 is used to avoid the expansion of the fluorine-lined rubber hose 4 against the metal mesh sleeve 2 when the internal air pressure of the pipe is too high, so as to avoid the deformation of the metal mesh sleeve 2, the plug inner pipe head 5 is used to strengthen the sealing and air pressure buffering by being inserted into the mouth of the connected object, so as to avoid the loosening of the connecting pipe head end 6 under the impact of air pressure, the sealing washer 7 is used to play a sealing role when the threaded connecting pipe head 8 is connected with the connected object, the damping ring device 9 is used to slide inward through the sliding clamping mechanism when the threaded connecting pipe head 8 is connected with the connected object, so as to press against the connected object at one end, increase the damping and avoid the loosening and leakage caused by the reverse rotation of the threaded connecting pipe head 8, so as to solve the problems that the existing fluorine-lined metal hose may vibrate due to the internal fluid pressure during use, the connecting pipe heads at both ends are loosened and leakage occurs, and the internal liquid flow rate is slowed down or even frozen at low temperature, which affects the use.

[0028] In order to slidingly support the damping ring device 9, as shown in Figure 2 and 3 The sliding clamping mechanism comprises a limiting sliding opening 12 and a limiting sliding block 13, the limiting sliding opening 12 is arranged at both ends of the threaded connecting pipe head 8 and is slidingly connected with the limiting sliding block 13, the other end of the limiting sliding block 13 at both ends is fixedly connected with the inner side wall of the damping ring device 9, the limiting sliding block 13 arranged in the limiting sliding opening 12 at both ends is slidingly connected and connected with the inner side wall of the damping ring device 9 at the other end, so as to slidingly support the damping ring device 9.

[0029] In order to make the plug inner pipe head 5 realize the increase of sealing and the reduction of air pressure impact, as shown in Figure 2 , 3As shown in Figure 5, the plug inner tube head 5 is a hollow tube body, and the tube wall is fixedly connected to a rubber soft clamping ring group 14. By utilizing the plug inner tube head 5 that is set as a hollow tube body and the tube wall is fixedly connected to a rubber soft clamping ring group 14, the plug inner tube head 5 can increase the sealing while reducing the impact of air pressure in the pipeline.

[0030] In order to make the damping ring device 9 achieve damping, Figure 1-3 As shown, the damping ring device 9 includes a limit ring 15, an upper washer 16 and a lower washer 17. The limit ring 15 is fixedly connected to one end of the tube wall of the threaded connection pipe head 8, driving the upper washer 16 to slide and connect to the tube wall of the threaded connection pipe head 8. The inner side wall of the lower washer 17 is fixedly connected to the other end of the limit slider 13. The side wall of the upper washer 16 is fixedly connected with a positive latch tooth 18, and the side wall of the lower washer 17 is fixedly connected with a negative latch tooth 19. The positive latch tooth 18 is engaged with the negative latch tooth 19, and the upper washer 16 and the lower washer 17 are fixedly connected. The opposite side walls of the washer 17 are fixedly connected with damping teeth 20. By utilizing the upper washer 16 and the lower washer 17, when the lower washer 17 moves inward, it presses the upper washer 16 to move toward the limiting ring 15. The reverse locking teeth 19 on the side wall of the lower washer 17 and the positive locking teeth 18 on the side wall of the upper washer 16 are engaged to generate friction, and then the damping is enhanced by the damping teeth 20 set on the opposite surfaces of both ends, so that the damping ring device 9 can achieve damping, thereby preventing the threaded connection pipe head 8 from rotating in the opposite direction and causing loosening and leakage.

[0031] In order to make the insulation layer 10 realize the insulation function, Figure 2 As shown, the thermal insulation layer 10 is a thermal insulation layer filled with thermal insulation cotton. By using the thermal insulation layer 10 set as a thermal insulation layer filled with thermal insulation cotton, the thermal insulation layer 10 can achieve the thermal insulation function.

[0032] In order to prevent the damping ring device 9 from rusting and affecting its use, Figure 1-3 As shown, the surface of the damping ring device 9 is provided with a Teflon anti-rust coating, and the provided Teflon anti-rust coating is used to prevent the damping ring device 9 from rusting and affecting its use.

[0033] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fluorine-lined metal hose, comprising: The tube body (1) is characterized in that the tube body (1) is composed of a metal mesh sleeve (2), a soft protective sleeve (3), a PTFE-lined rubber hose (4) and a plug inner tube head (5), the metal mesh sleeve (2) is fixedly connected to the cavity of the soft protective sleeve (3), the PTFE-lined rubber hose (4) is fixedly connected to the cavity of the soft protective sleeve (3), the PTFE-lined rubber hose (4) is fixedly connected to the plug inner tube head (5) at both ends of the PTFE-lined rubber hose (4), the tube body (1) is fixedly connected to the connecting tube head end (6), and the The connecting pipe head end (6) includes a sealing gasket (7), a threaded connecting pipe head (8) and a damping ring device (9), the pipe walls at both ends of the pipe body (1) are fixedly connected with the sealing gasket (7), the pipe walls at both ends of the pipe body (1) are slidably connected with the threaded connecting pipe heads (8), the pipe walls of the threaded connecting pipe heads (8) are fixedly connected with the damping ring device (9) through a sliding clamping mechanism, the cavity of the soft protective sleeve (3) is provided with a thermal insulation layer (10), and the inner side wall of the soft protective sleeve (3) is fixedly connected with a reinforcing rib (11).

2. A fluorine-lined metal hose according to claim 1, characterized in that: The sliding clamping mechanism comprises a limiting sliding opening (12) and a limiting slider (13). The side walls at both ends of the threaded connection pipe head (8) are provided with limiting sliding openings (12) and are slidably connected to the limiting slider (13). The other ends of the limiting sliders (13) at both ends are fixedly connected to the inner side walls of the damping ring device (9).

3. The fluorine-lined metal hose according to claim 1, characterized in that: The plug inner tube head (5) is a hollow tube body, and a rubber soft clamping ring group (14) is fixedly connected to the tube wall.

4. The fluorine-lined metal hose according to claim 1, characterized in that: The damping ring device (9) comprises a limiting collar (15), an upper washer (16) and a lower washer (17); the limiting collar (15) is fixedly connected to one end of the tube wall of the threaded connection pipe head (8), driving the upper washer (16) to slide and connect to the tube wall of the threaded connection pipe head (8); the inner side wall of the lower washer (17) is fixedly connected to the other end of the limiting slider (13); the side wall of the upper washer (16) is fixedly connected with a positive latching tooth (18); the side wall of the lower washer (17) is fixedly connected with a negative latching tooth (19); the positive latching tooth (18) is engaged with the negative latching tooth (19); and the opposite side walls of the upper washer (16) and the lower washer (17) are fixedly connected with damping teeth (20).

5. The fluorine-lined metal hose according to claim 1, characterized in that: The thermal insulation layer (10) is a thermal insulation layer of a thermal insulation cotton filling layer.

6. The fluorine-lined metal hose according to claim 1, characterized in that: The surface of the damping ring device (9) is provided with a Teflon anti-rust coating.

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