High-temperature-resistant packing device with cooling function

Abstract

The high-temperature-resistant packing device with the cooling function comprises a packing body, an annular heat dissipation cavity is formed in the packing body, a pre-buried spiral cooling pipe is arranged in the annular heat dissipation cavity, cooling micro holes are formed in the surface of the pre-buried spiral cooling pipe at equal intervals, and the cooling micro holes are communicated with the annular heat dissipation cavity. And the packing main body is formed by weaving a PEEK (Polyether-Ether-Ketone) material. The whole packing is made of PEEK materials, the sealing performance is improved, the reliability and the stability are improved, the pre-buried spiral cooling pipe is arranged and filled with the heat conduction oil, the heat conduction oil permeates to the friction surface of the packing body through the cooling micropores, the heat conduction oil can efficiently transfer heat, the packing body is cooled, and the sealing performance of the packing body is improved. And a cooling function is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to new material technical field, concretely is a kind of high-temperature packing device with cooling. BACKGROUND

[0002] Packing is also called sealing packing, usually by soft linear object weaving, usually square or rectangular, circular strip filling in sealing cavity, packing is very extensive, mainly used in the sealing requirement in various mechanical equipment.

[0003] At present, the common material of packing is polytetrafluoroethylene, packing is used as the static ring of mechanical sealing device, due to the limitation of material, packing is not resistant to high temperature, easy to blacken, and after installation, due to the structure problem of packing, sealing is not good, sealing is not stable enough, packing can not leave gap after machine operation for a period of time, there are disadvantages, therefore we propose a kind of high-temperature packing device with cooling. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of high-temperature packing device with cooling, to solve the problem proposed in above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-temperature packing device with cooling, including packing main body, annular heat dissipation cavity is arranged in the inside of the packing main body, and pre-buried spiral cooling pipe is arranged in the inside of the annular heat dissipation cavity, equal-interval cooling micropore is arranged on the surface of the pre-buried spiral cooling pipe, rubber sealing plug is arranged at the both ends of the pre-buried spiral cooling pipe, and one end of the rubber sealing plug extends to the outside of pre-buried spiral cooling pipe and is provided with rubber sealing sheet, rubber sealing sheet is integrally formed with rubber sealing plug, the packing main body is woven by PEEK material.

[0006] The pre-buried spiral cooling pipe is annular hollow structure that is wound by high-temperature resistant alloy wire, the both ends of the pre-buried spiral cooling pipe are open, and the pre-buried spiral cooling pipe is filled with heat-conducting oil; The both ends of the packing main body are provided with cutout, and the cutting surface of the cutout is inclined surface; The inner wall of the rubber sealing plug is tightly combined with the pre-buried spiral cooling pipe, and the rubber sealing sheet is tightly combined with the cutout.

[0007] Preferably, the PEEK material is woven with carbon fibers inside, and the PEEK material and carbon fibers are filled with graphite powder inside, the self-lubricating property of graphite powder can reduce the friction coefficient, reduce wear, and at the same time, can improve the heat conduction efficiency and avoid local overheating.

[0008] Preferably, the top end of the packing body is provided with a positioning pressure ring, and the inside of the positioning pressure ring is provided with equidistant guide through holes, and the bottom end of the guide through hole is provided with a receiving circular groove in communication with the guide through hole.

[0009] Preferably, the inside of the guide through hole is provided with a pressing pressure rod, the bottom end of the pressing pressure rod extends into the inside of the receiving circular groove and is fixed with a pressing block, and the top end of the pressing pressure rod extends above the positioning pressure ring and is fixed with a pressing pressure handle. The installation of the positioning pressure ring can assist the installation of the packing body, solve the problem that the narrow space is not conducive to the installation of the packing body, shorten the installation time, and improve the convenience of installation.

[0010] Preferably, a supporting spring is sleeved on the outer wall of the pressing pressure rod above the positioning pressure ring, the top end of the supporting spring is fixedly connected with the pressing pressure rod, and the bottom end of the supporting spring is fixedly connected with the positioning pressure ring.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The whole packing body is made of PEEK material, PEEK is a kind of high-performance special engineering plastics, has the characteristics such as high temperature resistance, chemical corrosion resistance, excellent mechanical property, compared with traditional polytetrafluoroethylene material, PEEK material this change not only increases the sealing property, and improves reliability and stability, temperature resistance property significantly improves, can keep stable at 200 DEG C at most;Carbon fibers are woven in the inside of the packing body, and the setting of the carbon fibers further enhances the overall structural strength of the packing body and prolongs the service life of the packing body.

[0013] Since the annular heat dissipation cavity in the inside of the packing body is provided with a pre-buried spiral cooling pipe, the pre-buried spiral cooling pipe is made of high-temperature-resistant alloy wire, and the two ends are sealed by rubber sealing plugs and rubber sealing sheets, the pipe wall is provided with a cooling micropore array, the pre-buried spiral cooling pipe is filled with heat-conducting oil, the heat-conducting oil penetrates to the friction surface of the packing body through the cooling micropores, the heat-conducting oil can efficiently transfer heat, and the packing body is cooled, further, the self-lubricating property of graphite powder in the inside of the packing body can reduce the friction coefficient and reduce wear, and simultaneously can improve the heat conduction efficiency, avoid local overheating, so that the cooling function is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a top view sectional structure schematic view of the packing body of the utility model.

[0015] Figure 2 It is a top view sectional structure schematic view of the packing body of the utility model. Figure 1 It is an enlarged structure schematic view of A in the figure.

[0016] Figure 3The partial enlarged structure diagram of the packing main body of the utility model.

[0017] Figure 4 The top view appearance structure schematic diagram of the packing main body of the utility model.

[0018] Figure 5 The front view structure schematic diagram of the utility model.

[0019] In the drawing: 1, packing main body; 2, annular heat dissipation cavity; 3, pre-buried spiral cooling pipe; 4, cooling micropore; 5, cutout; 6, rubber sealing plug; 7, rubber sealing sheet; 8, PEEK material; 9, carbon fiber; 10, graphite powder; 11, positioning pressure ring; 12, guide through hole; 13, storage circular groove; 14, pressing pressure rod; 15, pressing pressure handle; 16, supporting spring; 17, pressing block. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of high-temperature-resistant packing device with cooling, including packing main body 1, the inside of packing main body 1 is provided with annular heat dissipation cavity 2, and the inside of annular heat dissipation cavity 2 is provided with pre-buried spiral cooling pipe 3, the surface of pre-buried spiral cooling pipe 3 is provided with equal-interval cooling micropore 4, the both ends of pre-buried spiral cooling pipe 3 are provided with rubber sealing plug 6, and the one end of rubber sealing plug 6 extends to the outside of pre-buried spiral cooling pipe 3 and is provided with rubber sealing sheet 7, rubber sealing sheet 7 is integrally formed with rubber sealing plug 6, and packing main body 1 is woven by PEEK material 8.

[0023] The disc root body 1 is made of PEEK material, which is a high-performance special engineering plastic with high temperature resistance, chemical corrosion resistance, excellent mechanical properties and other characteristics. Compared with traditional polytetrafluoroethylene material, the PEEK material 8 not only increases the sealing performance, but also has a melting point of 343°C and a long-term use temperature of 260°C. Even at 300°C, it can still maintain excellent mechanical properties.

[0024] PEEK also has high tensile strength, excellent fatigue resistance and rigidity, which meets the demand of continuous work at high temperature, improves the reliability and stability, and the disc root body 1 is also woven with carbon fiber 9. The setting of carbon fiber 9 further enhances the overall structural strength of disc root body 1 and prolongs the service life of disc root body 1.

[0025] The embedded spiral cooling pipe 3 is a ring-shaped hollow structure made of high-temperature resistant alloy wire. The two ends of the embedded spiral cooling pipe 3 are open, and the inside of the embedded spiral cooling pipe 3 is filled with heat-conducting oil. Since the annular heat dissipation cavity 2 inside the disc root body 1 is provided with the embedded spiral cooling pipe 3, the embedded spiral cooling pipe 3 is made of high-temperature resistant alloy wire, the two ends are sealed by rubber sealing plug 6 and rubber sealing sheet 7, the pipe wall is provided with an array of cooling micro-holes 4, and the inside of the embedded spiral cooling pipe 3 is filled with heat-conducting oil. The heat-conducting oil penetrates to the friction surface of the disc root body 1 through the cooling micro-holes 4, and the heat-conducting oil can efficiently transfer heat to cool the disc root body 1.

[0026] The two ends of the disc root body 1 are provided with a cutout 5, and the cut surface of the cutout 5 is beveled. The rubber sealing plug 6 is tightly attached to the inner wall of the embedded spiral cooling pipe 3, and the rubber sealing sheet 7 is tightly attached to the cutout 5.

[0027] The PEEK material 8 is internally woven with carbon fiber 9, and the PEEK material 8 and carbon fiber 9 are internally filled with graphite powder 10; further, the self-lubricating property of the graphite powder 10 inside the disc root body 1 can reduce the friction coefficient and reduce wear, while improving the heat conduction efficiency and avoiding local overheating, thereby realizing the cooling function.

[0028] The top end of the disc root body 1 is provided with a positioning pressure ring 11, and the inside of the positioning pressure ring 11 is provided with equally spaced guide through holes 12, and the bottom end of the guide through holes 12 is provided with a receiving circular groove 13, and the receiving circular groove 13 is communicated with the guide through holes 12.

[0029] The inside of the guide through hole 12 is provided with a pressing pressure rod 14, and the bottom end of the pressing pressure rod 14 extends to the inside of the receiving circular groove 13 and is fixed with a pressing block 17, and the top end of the pressing pressure rod 14 extends to the upper side of the positioning pressure ring 11 and is fixed with a pressing pressure handle 15. The outer wall of the pressing pressure rod 14 above the positioning pressure ring 11 is sleeved with a supporting spring 16, the top end of the supporting spring 16 is fixedly connected with the pressing pressure rod 14, and the bottom end of the supporting spring 16 is fixedly connected with the positioning pressure ring 11.

[0030] When installing the packing body 1, the packing body 1 is wound at the sealing place, the positioning pressure ring 11 is sleeved on one side of the packing body 1, and then the pressing pressure handle 15 is pressed to press the pressing pressure rod 14, the pressing pressure rod 14 overcomes the elastic force of the supporting spring 16 and drives the pressing block 17 to move, and the pressing block 17 pushes the packing body 1 into the narrow space for installation. The installation of the packing body 1 is assisted by the positioning pressure ring 11, which can solve the problem that the narrow space is not conducive to the installation of the packing, shorten the installation time, and improve the convenience of installation.

[0031] When the device needs to work: the packing body 1 is made of PEEK material, PEEK is a kind of high-performance special engineering plastic, which has the characteristics of high temperature resistance, chemical corrosion resistance, excellent mechanical properties and so on. Compared with the traditional polytetrafluoroethylene material, the change of PEEK material 8 not only increases the sealing performance, but also the melting point of PEEK material 8 is as high as 343℃, the long-term use temperature can reach 260℃, and even at 300℃ high temperature, it can still maintain excellent mechanical properties; PEEK also has high tensile strength, excellent fatigue resistance and rigidity, which meets the demand of continuous work at high temperature, improves the reliability and stability.

[0032] The inside of the packing body 1 is also woven with carbon fiber 9, which further enhances the overall structural strength of the packing body 1 and prolongs the service life of the packing body 1. Then, the annular heat dissipation cavity 2 in the inside of the packing body 1 is provided with a pre-embedded spiral cooling pipe 3, the pre-embedded spiral cooling pipe 3 is made of high-temperature resistant alloy wire, the two ends are sealed by rubber sealing plugs 6 and rubber sealing sheets 7, the pipe wall is provided with an array of cooling micropores 4, the pre-embedded spiral cooling pipe 3 is filled with heat conducting oil, the heat conducting oil penetrates to the friction surface of the packing body 1 through the cooling micropores 4, and the heat conducting oil can efficiently transfer heat to cool the packing body 1.

[0033] The self-lubricating property of the graphite powder 10 inside the packing body 1 can reduce the friction coefficient and reduce abrasion, and can improve the heat conduction efficiency and avoid local overheating, thereby achieving the cooling function; and when the packing body 1 is installed, the packing body 1 is wound at the sealing position, the positioning pressure ring 11 is sleeved on one side of the packing body 1, and then the pressing handle 15 is pressed to press the pressing rod 14, the pressing rod 14 overcomes the elastic force of the supporting spring 16 and drives the pressing block 17 to move, the pressing block 17 pushes the packing body 1 into the narrow space for installation, and the installation of the packing body 1 is assisted by the positioning pressure ring 11, so that the problem that the narrow space is not conducive to the installation of the packing during installation can be solved, the installation time is shortened, and the convenience of installation is improved.

[0034] Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

Claims

1. A high temperature resistant packing assembly with cooling, comprising a packing body (1), characterized in that, The inner part of the packing body (1) is provided with an annular heat dissipation cavity (2), and the inner part of the annular heat dissipation cavity (2) is provided with a pre-embedded spiral cooling pipe (3), the surface of the pre-embedded spiral cooling pipe (3) is provided with equally spaced cooling micro-holes (4), both ends of the pre-embedded spiral cooling pipe (3) are provided with rubber sealing plugs (6), one end of the rubber sealing plug (6) extends to the outside of the pre-embedded spiral cooling pipe (3) and is provided with a rubber sealing sheet (7), the rubber sealing sheet (7) is integrally formed with the rubber sealing plug (6), the packing body (1) is woven by a PEEK material (8), both ends of the packing body (1) are provided with notches (5), and the cutting surface of the notch (5) is an inclined surface; the pre-embedded spiral cooling pipe (3) is a ring-shaped hollow structure wound by a high-temperature-resistant alloy wire, both ends of the pre-embedded spiral cooling pipe (3) are open, and the inner part of the pre-embedded spiral cooling pipe (3) is filled with heat-conducting oil; the rubber sealing plug (6) is tightly attached to the inner wall of the pre-embedded spiral cooling pipe (3), and the rubber sealing sheet (7) is tightly attached to the notch (5).

2. A high temperature resistant packing device with cooling according to claim 1, characterized in that: The inner part of the PEEK material (8) is woven with carbon fibers (9), and the inner part of the PEEK material (8) and the carbon fibers (9) is filled with graphite powder (10).

3. A high temperature resistant packing device with cooling according to claim 1, characterized in that: The top end of the packing body (1) is provided with a positioning pressure ring (11), the inner part of the positioning pressure ring (11) is provided with equally spaced guide through holes (12), and the bottom end of the guide through hole (12) is provided with a receiving circular groove (13) in communication with the guide through hole (12).

4. A high temperature resistant packing assembly with cooling according to claim 3, characterized in that: The inner part of the guide through hole (12) is provided with a pressing pressure rod (14), the bottom end of the pressing pressure rod (14) extends to the inside of the receiving circular groove (13) and is fixedly provided with a pressing block (17), and the top end of the pressing pressure rod (14) extends to above the positioning pressure ring (11) and is fixedly provided with a pressing pressure handle (15).

5. A high temperature resistant packing assembly with cooling according to claim 4, characterized in that: The outer wall of the pressing pressure rod (14) above the positioning pressure ring (11) is sleeved with a supporting spring (16), the top end of the supporting spring (16) is fixedly connected with the pressing pressure rod (14), and the bottom end of the supporting spring (16) is fixedly connected with the positioning pressure ring (11).

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