The utility model content
The technical problems to be solved in the utility model provides a kind of every leakage property, good airproof performance, and is withstand voltage, high temperature resistant, the thermopair that security performance is high.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus; comprise terminal box; thermopair; last protection tube; the cold junction of described thermopair passes protection tube and is connected with terminal box; wherein also comprise every leaking the sealingly secure pressure-resistant apparatus; describedly comprise hold-down bolt every leaking the sealingly secure pressure-resistant apparatus; the filler bolt; O-ring seal and clamping pad; be provided with packing groove in the described filler bolt; described O-ring seal is arranged in the packing groove; described clamping pad is arranged on the O-ring seal upper end; described clamping pad; corresponding being provided with is suitable for the hole that thermopair passes in O-ring seal and the filler bolt; the bottom of described hold-down bolt is connected by the top of threaded portion with the filler bolt; the lower surface of hold-down bolt inside contacts with the upper surface of clamping pad; fixedly connected with last protection tube in the upper end of hold-down bolt; hold-down bolt is passed in the hot junction of described thermopair downwards successively; clamping pad; O-ring seal and filler bolt, the bottom of described filler bolt is connected with following connecting pipe by another threaded portion.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, wherein said thermopair is some thermocouple wires, described thermocouple wire and the contacted part of filler bolt are provided with insulator, scribble high-temperature plastic between described insulator and the thermocouple wire, described thermocouple wire is in the clamping pad top and also is set with insulation tube with the part that is in the insulator below.
The utility model band also is provided with annular clamping sleeve every the thermopair that leaks the sealingly secure pressure-resistant apparatus between the lower surface of wherein said hold-down bolt inside and the upper surface of clamping pad.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and the upper and lower end face of wherein said insulator also scribbles high-temperature plastic.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said connecting pipe down is protection tube down, and described protection tube down is the closed casing with temperature measuring head.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and the diameter of wherein said thermocouple wire is 1~3.2 millimeter, and counting of thermocouple wire is 1~2.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said thermopair is an armoured thermocouple, and described armoured thermocouple and the contacted part of filler bolt scribble high-temperature plastic.
The utility model band also is provided with sealing gasket every the thermopair that leaks the sealingly secure pressure-resistant apparatus between the lower surface of wherein said O-ring seal and the filler bolt, and the contacted part of described sealing gasket and armoured thermocouple scribbles high-temperature plastic.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said connecting pipe down is protection tube down, and described protection tube down is the closed casing with temperature measuring head.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and the diameter of wherein said armoured thermocouple (2b) is 1~13 millimeter.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said thermopair is some armoured thermocouples, and described armoured thermocouple and the contacted part of filler bolt scribble high-temperature plastic.
The utility model band also is provided with sealing gasket every the thermopair that leaks the sealingly secure pressure-resistant apparatus between the lower surface of wherein said O-ring seal and the filler bolt, and the contacted part of described sealing gasket and armoured thermocouple scribbles high-temperature plastic.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and the diameter of wherein said armoured thermocouple is 1~13 millimeter, and the scope of counting of described armoured thermocouple is 2~40.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said O-ring seal is made by teflon, graphite sealing material, silastic material, natural magnesium or silicate encapsulant.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and the material of wherein said high-temperature plastic is Oil-proof Silicone Sealant, epoxide resin type fluid sealant, thermosetting silicone grease adhesive/sealant or inorganic ceramic binder.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and the material of wherein said sealing gasket is Oil-proof Silicone Sealant, epoxide resin type fluid sealant, thermosetting silicone grease adhesive/sealant or inorganic ceramic binder.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said connecting pipe down is provided with the process web member.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said process web member comprises welding assembly, externally threaded item and joint flange.
The utility model band is every the thermopair that leaks the sealingly secure pressure-resistant apparatus, and wherein said going up on the protection tube is equipped with active joint.
The utility model band is that every the thermopair difference from prior art of leaking the sealingly secure pressure-resistant apparatus the utility model band is equipped with every leaking the sealingly secure pressure-resistant apparatus every the thermopair that leaks the sealingly secure pressure-resistant apparatus; comprise hold-down bolt every leaking the sealingly secure pressure-resistant apparatus; the filler bolt; O-ring seal and clamping pad; O-ring seal is handled by hot setting and is filled in the filler bolt; be fixed in the filler bolt at hold-down bolt and clamping pad by top; has high withstand voltage and resistance to elevated temperatures; high temperature testing medium and corrosive gas can be intercepted thereunder; electronic equipment to its top plays a protective role; and be connected with following connecting pipe with last protection tube by threaded portion every leaking the sealingly secure pressure-resistant apparatus, be convenient to change.
The utility model band in the thermopair that leaks the sealingly secure pressure-resistant apparatus in corresponding slit and near the high-temperature plastic of filling the slit be enhanced leaktightness to the slit, improve seal, withstand voltage properties.
Below in conjunction with accompanying drawing band of the present utility model is described further every the thermopair that leaks the sealingly secure pressure-resistant apparatus.
Description of drawings
Fig. 1 is the front view of the utility model band every the first kind of embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 2 is the utility model band front view every leakage sealingly secure pressure-resistant apparatus in the first kind of embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 3 a is the front view of the utility model band filler bolt in the first kind of embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 3 b is the vertical view of the utility model band filler bolt in the first kind of embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 4 is the front view of the utility model band every the second kind of embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 5 is the utility model band front view every leakage sealingly secure pressure-resistant apparatus in the second kind of embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 6 is the front view of the utility model band every the third embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus;
Fig. 7 is the utility model band front view every leakage sealingly secure pressure-resistant apparatus in the third embodiment of thermopair that leaks the sealingly secure pressure-resistant apparatus.
Embodiment
As shown in Figure 1; the utility model band is every the first kind of embodiment that leaks the sealingly secure pressure-resistant apparatus; comprise terminal box 1; 2 thermocouple wires 2; last protection tube 3; the cold junction of thermocouple wire 2 passes protection tube 3 and is connected with terminal box 1; also comprise every leaking the sealingly secure pressure-resistant apparatus; in conjunction with shown in Figure 2; comprise hold-down bolt 4 every leaking the sealingly secure pressure-resistant apparatus; filler bolt 5; O-ring seal 6 and clamping pad 7; shown in Fig. 3 a and Fig. 3 b; be provided with packing groove 8 in the filler bolt 5; O-ring seal 6 is handled by hot setting and is filled in the packing groove 8; clamping pad 7 is installed in O-ring seal 6 upper ends; clamping pad 7; corresponding being provided with is suitable for the hole that thermocouple wire 2 passes in O-ring seal 6 and the filler bolt 5; the bottom of hold-down bolt 4 is connected by the top of threaded portion with filler bolt 5; the lower surface of hold-down bolt 4 inside contacts with the upper surface of clamping pad 7 by an annular clamping sleeve 15; O-ring seal 6 is pressed in the filler bolt 5; fixedly connected with last protection tube 3 in the upper end of hold-down bolt 4; hold-down bolt 4 is passed in the hot junction of thermocouple wire 2 downwards successively; clamping pad 7; O-ring seal 6 and filler bolt 5; thermocouple wire 2 is provided with insulator 10 with filler bolt 5 contacted parts; scribble high-temperature plastic between insulator 10 and the thermocouple wire 2; on the insulator 10; the lower surface also scribbles high-temperature plastic; thermocouple wire 2 is in clamping pad 7 tops and also is set with insulation tube 14 with the part that is in insulator 10 belows; the effect of insulator 10 and insulation tube 14 is in order to guarantee thermocouple wire 2 and extraneous metal SI semi-insulation, to prevent electric leakage.The bottom of filler bolt 5 is connected with following connecting pipe 9 by another threaded portion, and following connecting pipe 9 is for having the following protection tube of sealing temperature measuring head 11.Following connecting pipe 9 is provided with welding assembly 12, is convenient to be connected with the pipeline process of carrying out to be measured by welding assembly 12, on the last protection tube 3 active joint 13 is installed.
The diameter of thermocouple wire 2 can be selected in 1~3.2 millimeter according to the needs of temperature-measuring range in the present embodiment.O-ring seal 6 can be that arbitrary material is made in teflon, graphite sealing material, silastic material, natural magnesium or the silicate encapsulant, and this type of material all is suitable for hot setting to be handled.The material of high-temperature plastic is Oil-proof Silicone Sealant, epoxide resin type fluid sealant, thermosetting silicone grease adhesive/sealant or inorganic ceramic binder.
As shown in Figure 4; the utility model band is every the second kind of embodiment that leaks the sealingly secure pressure-resistant apparatus; comprise terminal box 1 '; an armoured thermocouple 2 '; last protection tube 3 '; the cold junction of armoured thermocouple 2 ' passes protection tube 3 ' and is connected with terminal box 1 '; also comprise every leaking the sealingly secure pressure-resistant apparatus; in conjunction with shown in Figure 5; comprise hold-down bolt 4 ' every leaking the sealingly secure pressure-resistant apparatus; filler bolt 5 '; O-ring seal 6 ' and clamping pad 7 '; be provided with packing groove 8 ' in the filler bolt 5 '; O-ring seal 6 ' is handled by hot setting and is filled in the packing groove 8 ', also is filled with sealing gasket 10 ' between the lower surface of O-ring seal 6 ' and the filler bolt 5 '.Clamping pad 7 ' is installed in O-ring seal 6 ' upper end; clamping pad 7 '; O-ring seal 6 '; corresponding being provided with is suitable for the hole that armoured thermocouple 2 ' passes in sealing gasket 10 ' and the filler bolt 5 '; the bottom of hold-down bolt 4 ' is connected by the top of threaded portion with filler bolt 5 '; hold-down bolt 4 ' inner lower surface contacts with the upper surface of clamping pad 7 '; O-ring seal 6 ' is pressed in the filler bolt 5 '; fixedly connected with last protection tube 3 ' in the upper end of hold-down bolt 4 '; hold-down bolt 4 ' is passed in the hot junction of thermopair downwards successively; clamping pad 7 '; O-ring seal 6 '; sealing gasket 10 ' and filler bolt 5 '; armoured thermocouple 2 ' scribbles high-temperature plastic with filler bolt 5 ' the contacted part, and sealing gasket 10 ' also scribbles high-temperature plastic with armoured thermocouple 2 ' the contacted part.The bottom of filler bolt 5 ' is connected with following connecting pipe 9 ' by another threaded portion.The hot junction of armoured thermocouple 2 ' has entered in time connecting pipe 9 ', and following connecting pipe 9 ' is for having the sleeve pipe of sealing temperature measuring head 11 '.Be processed with externally threaded item 12 ' on the following connecting pipe 9 ', be connected with the pipe under test process of carrying out, on the last protection tube 3 ' active joint 13 ' is installed by externally threaded item 12 '.
The diameter of armoured thermocouple 2 ' can be selected in 1~13 millimeter according to the needs of temperature-measuring range in the present embodiment.O-ring seal 6 ' can be that arbitrary material is made in teflon, graphite sealing material, silastic material, natural magnesium or the silicate encapsulant, and this type of material is suitable for hot setting to be handled.The material of high-temperature plastic and sealing gasket is Oil-proof Silicone Sealant, epoxide resin type fluid sealant, thermosetting silicone grease adhesive/sealant or inorganic ceramic binder.
As shown in Figure 6; the utility model band is every the third embodiment that leaks the sealingly secure pressure-resistant apparatus; comprise terminal box 1 "; several armoured thermocouples 2 "; last protection tube 3 "; armoured thermocouple 2 " cold junction pass protection tube 3 " with terminal box 1 " be connected; also comprise every leaking the sealingly secure pressure-resistant apparatus; in conjunction with shown in Figure 7; comprise hold-down bolt 4 every leaking the sealingly secure pressure-resistant apparatus "; filler bolt 5 "; O-ring seal 6 " and clamping pad 7 "; filler bolt 5 " in be provided with packing groove 8 "; O-ring seal 6 " handle by hot setting be filled in packing groove 8 " in, O-ring seal 6 " lower surface and filler bolt 5 " between also be filled with sealing gasket 10 ".Clamping pad 7 " be installed in O-ring seal 6 " upper end; clamping pad 7 "; O-ring seal 6 "; sealing gasket 10 " and filler bolt 5 " in corresponding being provided be suitable for armoured thermocouple 2 " hole passed; hold-down bolt 4 " the bottom by threaded portion and filler bolt 5 " top be connected; hold-down bolt 4 " lower surface and clamping pad 7 of inside " the upper surface contact; with O-ring seal 6 " be pressed on filler bolt 5 " in; hold-down bolt 4 " upper end and last protection tube 3 " fixedly connected; hold-down bolt 4 is passed in the hot junction of thermopair downwards successively "; clamping pad 7 "; O-ring seal 6 "; sealing gasket 10 " and filler bolt 5 "; armoured thermocouple 2 " with filler bolt 5 " contacted part scribbles high-temperature plastic, sealing gasket 10 " and with armoured thermocouple 2 " contacted part also scribbles high-temperature plastic.Filler bolt 5 " the bottom by another threaded portion and following connecting pipe 9 " be connected.Following connecting pipe 9 " on be welded with joint flange 12 ", by joint flange 12 " be connected protection tube 3 on 2 with the pipe under test process of carrying out " on active joint 13 is installed ".
Armoured thermocouple 2 in the present embodiment " diameter can in 1~13 millimeter, select armoured thermocouple 2 according to the needs of temperature-measuring range " count and can in 2~40, select according to be measured counting.O-ring seal 6 " can be that arbitrary material is made in teflon, graphite sealing material, silastic material, natural magnesium or the silicate encapsulant, this type of material is suitable for hot setting to be handled.The material of high-temperature plastic and sealing gasket is Oil-proof Silicone Sealant, epoxide resin type fluid sealant, thermosetting silicone grease adhesive/sealant or inorganic ceramic binder.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.