CN204214563U - Heatproof, withstand voltage thermopair sealing and plugging device - Google Patents
Heatproof, withstand voltage thermopair sealing and plugging device Download PDFInfo
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- CN204214563U CN204214563U CN201420628228.0U CN201420628228U CN204214563U CN 204214563 U CN204214563 U CN 204214563U CN 201420628228 U CN201420628228 U CN 201420628228U CN 204214563 U CN204214563 U CN 204214563U
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- porcelain knob
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Abstract
The utility model discloses a kind of heatproof, withstand voltage thermopair sealing and plugging device, three grades of axially through shoulder holes are provided with in the sealing socket of described column, the path section of sealing socket is for connecting thermopair insulating sleeve, the central diameter section of sealing socket arranges the first porcelain knob, the large footpath section of sealing socket is arranged on volcanics sealing-plug and guide pipe, shoulder hole is provided with in this guide pipe, in the large footpath section of this shoulder hole, the second porcelain knob is set, the path section of this shoulder hole is for connecting thermopair insulating sleeve, guide pipe sidewall is provided with the second half slot, first half slot and second half slot of sealing socket form pilot hole in opposite directions, register pin coordinates with pilot hole, described volcanics sealing-plug, the through hole passed for confession thermocouple wire is respectively equipped with in first porcelain knob and the second porcelain knob, clamping cap matches with the external thread on sealing socket, band cone headed volcanics sealing-plug deformable seal is made for pushing against guide pipe.Sealing and plugging of the present utility model is effective, safe and reliable, and practicality is wide.
Description
Technical field
The utility model belongs to a kind of seal assembly, is specifically related to a kind of heatproof, withstand voltage thermopair sealing and plugging device.
Background technology
Existing coal chemical industry gasification installation is all in the working environment of High Temperature High Pressure, and if furnace interior working pressure is up to 6.5MPa, temperatures as high 1350 DEG C, in order to detect in-furnace temperature situation, adopts high temperature thermoelectric couple chamber temperature to measure usually.
For fire brick type gasification installation, in pyrometer couple installation process, need, between flange and terminal box, a sealing and plugging assembly is installed, not only play the effect of sealing thermo wires, and play the effect of leak stopping, prevent the gas of gasification installation inside from going out outside device by thermopair, cause personnel or equipment injury.For cold wall type gasification installation; then in the manufacturing process of pyrometer couple; usually need to carry out encapsulation process to platinum rhodium thermocouple silk; namely sealing and plugging assembly is set at protective casing tail end; prevent the harmful gas in ring cavity from entering in protective casing; corrosion thermocouple wire, affects mission life and the temperature measurement accuracy of thermopair, also must install a sealing and plugging assembly between flange and terminal box simultaneously.
The sealing and plugging device of current use does seal element with organic material, or fill organic gel in sealing place, reaches sealing effectiveness.These two kinds of methods are easy and simple to handle, and use cost is low, but existing sealing and plugging apparatus structure is simple, poor air-tightness, temperature resistant capability is poor, uses under higher than the environment of 300 DEG C, existing sealing and plugging device meeting deformation failure, does not have sealing function, thus causes leakage accident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of heatproof, withstand voltage thermopair sealing and plugging device, and the sealing property of this device is better, and high temperature resistant, high pressure is safe and reliable.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of heatproof, withstand voltage thermopair sealing and plugging device, it is characterized in that: the sealing socket comprising column, clamping cap, guide pipe, be with cone headed volcanics sealing-plug, first porcelain knob and the second porcelain knob, the sealing socket of described column is provided with the external thread for connecting clamping cap, three grades of axially through shoulder holes are provided with in the sealing socket of column, hole between the large footpath section of these three grades of shoulder holes and central diameter section is takeed on and is provided with tapering, large footpath sector hole wall is provided with the first half slot vertically, the path section of three grades of shoulder holes is for connecting thermopair insulating sleeve, described first porcelain knob is arranged on the central diameter section of three grades of shoulder holes, described band cone headed volcanics sealing-plug is arranged in the large footpath section of three grades of shoulder holes, the tapering takeed on hole matches, described guide pipe is arranged on the large footpath section of three grades of shoulder holes, shoulder hole is provided with in this guide pipe, in the large footpath section of this shoulder hole, the second porcelain knob is set, the path section of this shoulder hole is for connecting thermopair insulating sleeve, guide pipe sidewall is provided with the second half slot, described first half slot and the second half slot form pilot hole in opposite directions, one coordinates with pilot hole for the register pin preventing circumference from rotating, the cone headed volcanics sealing-plug of described band, the through hole passed for confession thermocouple wire is respectively equipped with in first porcelain knob and the second porcelain knob, shoulder hole is provided with in described clamping cap, the large footpath section of this clamping cap is provided with internal thread, the large footpath section of clamping cap is threaded with the sealing socket of column, the path section of clamping cap is used for thermopair insulating sleeve and passes, and described clamping cap is used for pushing against guide pipe makes band cone headed volcanics sealing-plug deformable seal.
The axial length of described guide pipe adds that the axial length of volcanics sealing-plug is greater than the large footpath section degree of depth of sealing socket.
The length of described first porcelain knob is identical with the central diameter section degree of depth of sealing socket; The length of described second porcelain knob is identical with the large footpath section degree of depth of guide pipe.
The sealing socket stage casing of described column is provided with polygon boss, and one end of the sealing socket of column is provided with the external thread for connecting thermopair, and the other end is provided with the external thread for connecting clamping cap.
Polygon boss on the sealing socket of column adopts hexagon.
Described clamping cap is six prisms of hollow.
The large footpath Duan Chengliu prism of described clamping cap, path section is provided with external thread.
Described guide pipe adopts metal guide pipe.
The sealing socket of described column adopts metal to make.
The beneficial effects of the utility model: the utility model adopts the sealing socket of column, first porcelain knob, volcanics sealing-plug, second porcelain knob and guide pipe are arranged in sealing socket successively, by the first porcelain knob and the second porcelain knob pinch seal seat, the sealing socket threaded engagement of clamping cap and column, guide pipe is extruded by clamping cap, sealing-plug is deformed, pulverize, fill the gap of thermopair insulating sleeve junction densely, for directly sealing thermocouple wire and insulating, thus realize the leak stopping between thermopair flange and terminal box, sealing and plugging is carried out to protective casing tail end, the cone headed sealing-plug of band adopting volcanics to make is high temperature resistant, high pressure, physical strength is better, favorable sealing property, and serviceability temperature scope is-185 DEG C ~ 870 DEG C, make that the utility model voltage endurance capability is strong, impermeability good, the highlyest can resist that the temperature of 69.0MPa in gasification furnace is high, high pressure, the sealing socket of guide pipe and column adopts metalwork, the effect of insulation is served by the first porcelain knob and the second porcelain knob, guide pipe carries out circumference location by register pin, preventing clamping cap from compressing when rotating drives the second porcelain knob in guide pipe to rotate, thus the thermocouple wire avoided in press seal process in porcelain knob is lost or fractures, therefore sealing and plugging of the present utility model is effective, safe and reliable, and practicality is wide.
The axial length of described guide pipe adds that the axial length of volcanics sealing-plug is greater than the large footpath section degree of depth of sealing socket, ensure that clamping cap can promote guide pipe extruding volcanics sealing-plug, makes volcanics sealing-plug deformable seal.
The length of described first porcelain knob is identical with the central diameter section degree of depth of sealing socket, ensure that the impermeability between the first porcelain knob and volcanics sealing-plug; The length of described second porcelain knob is identical with the large footpath section degree of depth of guide pipe, avoid guide pipe when inwardly extruding volcanics sealing-plug, the second porcelain knob crushed or damage, and guide pipe and the second porcelain knob crush seal simultaneously plug can be made, ensure that the impermeability between thermocouple wire.
The sealing socket stage casing of column is provided with polygon boss, and the sealing socket of column is provided with the external thread for connecting thermopair, and this structure is convenient to and the protective casing of thermopair or Flange joint.
The large footpath Duan Chengliu prism of clamping cap, path section is provided with external thread, and this six prism is convenient to locking operation, and the external thread of clamping cap path section is convenient to the sealing of thermopair flange and terminal box.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model sealing socket;
Fig. 3 is the structural representation of the utility model clamping cap;
Fig. 4 is the structural representation of guide pipe;
Fig. 5 is the structural representation of the first porcelain knob;
Fig. 6 is the structural representation of volcanics sealing-plug;
Fig. 7 is assemble flow schematic diagram;
Fig. 8 is the utility model assembling schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See a kind of heatproof shown in Fig. 1 to Fig. 8, withstand voltage thermopair sealing and plugging device, comprise the sealing socket 1 of column, clamping cap 2, guide pipe 3, be with cone headed volcanics sealing-plug 4, first porcelain knob 5, second porcelain knob 6 and register pin 9, the sealing socket 1 of described column adopts metal to make, the sealing socket 1 of column is provided with the external thread for connecting clamping cap 2, three grades of axially through shoulder holes are provided with in the sealing socket 1 of column, hole between the large footpath section of these three grades of shoulder holes and central diameter section is takeed on and is provided with tapering 1-1, large footpath sector hole wall is provided with the first half slot 1-2 vertically, the path section of three grades of shoulder holes is for connecting the insulating sleeve 7 of thermopair, this insulating sleeve 7 adopts porcelain tube.Described first porcelain knob 5 is arranged on the central diameter section of three grades of shoulder holes; described band cone headed volcanics sealing-plug 4 is arranged in the large footpath section of three grades of shoulder holes; the tapering 1-1 takeed on hole matches; the utility model adopts the cone headed volcanics sealing-plug 4 of band, and namely sealing-plug is the right cylinder of front end band tapering, the favorable sealing property of sealing plug; heatproof is high; use in temperature sensor, even if there is the situation of gas leakage or protective casing breakage, sealing-plug also can not be melted.Described guide pipe 3 adopts metal guide pipe, guide pipe 3 is arranged on the large footpath section of three grades of shoulder holes, shoulder hole is provided with in guide pipe 3, in the large footpath section of guide pipe 3, the second porcelain knob 6 is set, the path section of guide pipe 3 is for connecting the insulating sleeve 7 of thermopair, guide pipe 3 sidewall is provided with the second half slot 3-1, described first half slot 1-2 and the second half slot 3-1 forms pilot hole in opposite directions, one is arranged in this pilot hole for the register pin 9 preventing circumference from rotating, this register pin 9 is the stainless steels with some strength, its external diameter is slightly less than reserved aperture, location, prevent from, between guide pipe and sealing socket, relative displacement occurs by register pin 9, avoid thermocouple wire 10 be subject to shearing force and fracture.Be respectively equipped with the through hole 8 passed for confession thermocouple wire 10 in described band cone headed volcanics sealing-plug 4, first porcelain knob 5 and the second porcelain knob 6, through hole 8 is diplopore as required, also can be four holes or six holes; First porcelain knob 5 is all the right cylinder that structure is identical with the second porcelain knob 6, plays the effect of filling and insulating.Described clamping cap 2 is six prisms of hollow, shoulder hole is provided with in clamping cap 2, the large footpath section of this clamping cap 2 is provided with internal thread, the large footpath section of clamping cap 2 is threaded with the sealing socket 1 of column, dense packing effect gap and play sealing function is pulverized for the fastening seal element that makes, the path section of clamping cap 2 is used for thermopair insulating sleeve 7 and passes, and described clamping cap 2 makes band cone headed volcanics sealing-plug 4 deformable seal for pushing against guide pipe 3.
The utility model is sealed by the thermocouple wire part that sealing and plugging device is exposed to thermopair insulating sleeve 7, and the first porcelain knob 5, volcanics sealing-plug 4, second porcelain knob 6 and guide pipe 3 are arranged in three grades of shoulder holes of loading sealing socket 1; The second half slot 3-1 on guide pipe 3 aligns with the second half slot 1-2 on sealing socket 1 formation pilot hole, then inserts register pin 8; Clamping cap 2 and sealing socket 1 threaded engagement, promote guide pipe 3 and the second porcelain knob 6 extrudes volcanics sealing-plug 4, and volcanics sealing-plug 4 is deformed.The utility model is made up of multiple parts, forms independently sealing and plugging device, by guide pipe extruding volcanics sealing-plug, makes it pulverize, densely blind, thus reaches sealing and plugging effect.The register pin that guide pipe is arranged, avoids guide pipe and the second porcelain knob loses thermo wires because of rotation, and make whole sealing and plugging device heatproof high, impermeability is good, safe and reliable, and practicality is wide.
The axial length of described guide pipe 3 adds that the axial length of volcanics sealing-plug 4 is greater than the large footpath section degree of depth of sealing socket 1.
The axial length of described first porcelain knob 5 is identical with the central diameter section degree of depth of sealing socket 1; The axial length of described second porcelain knob 6 is identical with the large footpath section degree of depth of guide pipe 3.Second porcelain knob 6 is greater than guide pipe 3 large footpath section, avoid guide pipe 3 when inwardly extruding volcanics sealing-plug 4, second porcelain knob 6 to be crushed or damages, or the second porcelain knob is less than guide pipe 3 large footpath section, exposed thermocouple wire 10 in guide pipe 3 can not be sealed, and guide pipe 3 and the second porcelain knob 6 can be made to extrude volcanics sealing-plug 4 simultaneously, ensure that the impermeability between thermocouple wire 10.
Further: sealing socket 1 stage casing of described column is provided with polygon boss; this polygon boss adopts hexagon; be convenient to sealing socket 1 attended operation; one end of the sealing socket 1 of column is provided with the external thread for connecting thermopair; the other end is provided with the external thread for connecting clamping cap 1, the external thread at two ends respectively with being connected by seal (protective casing or flange) of clamping cap and thermopair.
Further: the large footpath Duan Chengliu prism of described clamping cap 2, path section is provided with external thread, or clamping cap 2 adopts the hex bolts of hollow, the parts be connected can also be needed to be connected with terminal box or other by the external thread of clamping cap 2.
Concrete assembling of the present utility model is as follows, shown in Figure 7,
1. first the thermopair insulating sleeve 7 that thermocouple wire is housed is arranged in the path section of sealing socket 1, first porcelain knob 5 is through exposed thermocouple wire outside thermopair insulating sleeve 7, then the first porcelain knob 5 is loaded in the central diameter section of sealing socket 1, mark (1) see in Fig. 7;
2. volcanics sealing-plug 4 is through thermocouple wire, is arranged on during sealing socket 1 large hole between footpath section and central diameter section take on, see mark (2) in Fig. 7;
3. the second porcelain knob 6 is through thermocouple wire, is arranged in the section of sealing socket 1 large footpath, marks (3) see in Fig. 7;
4. guide pipe 3 is set on the second porcelain knob 6, marks (4) see in Fig. 7;
5. the second half slot 3-1 of the first half slot 1-2 and guide pipe 3 that register pin 9 are inserted in sealing socket 1 is formed in pilot hole in opposite directions, carries out circumference location, mark (5) see in Fig. 7 to guide pipe 3;
6. clamping cap 2 is through thermocouple wire, the large footpath section of thermocouple wire and sealing socket 1 threaded engagement, and extruding guide pipe 3, makes volcanics sealing-plug 4 deform, plug for seal, marks (6) see in Fig. 7.
Claims (9)
1. a heatproof, withstand voltage thermopair sealing and plugging device, it is characterized in that: the sealing socket (1) comprising column, clamping cap (2), guide pipe (3), be with cone headed volcanics sealing-plug (4), first porcelain knob (5) and the second porcelain knob (6), the sealing socket (1) of described column is provided with the external thread for connecting clamping cap (2), three grades of axially through shoulder holes are provided with in the sealing socket (1) of column, hole between the large footpath section of these three grades of shoulder holes and central diameter section is takeed on and is provided with tapering (1-1), large footpath sector hole wall is provided with the first half slot (1-2) vertically, the path section of three grades of shoulder holes is for connecting the insulating sleeve (7) of thermopair, described first porcelain knob (5) is arranged on the central diameter section of three grades of shoulder holes, described band cone headed volcanics sealing-plug (4) is arranged in the large footpath section of three grades of shoulder holes, the tapering (1-1) takeed on hole matches, described guide pipe (3) is arranged on the large footpath section of three grades of shoulder holes, this guide pipe is provided with shoulder hole in (3), in the large footpath section of this shoulder hole, the second porcelain knob (6) is set, the path section of this shoulder hole is for connecting the insulating sleeve (7) of thermopair, guide pipe (3) sidewall is provided with the second half slot (3-1), described first half slot (1-2) and the second half slot (3-1) form pilot hole in opposite directions, one is arranged in this pilot hole for the register pin (9) preventing circumference from rotating, the cone headed volcanics sealing-plug (4) of described band, the through hole (8) passed for confession thermocouple wire (10) is respectively equipped with in first porcelain knob (5) and the second porcelain knob (6), described clamping cap is provided with shoulder hole in (2), the large footpath section of this clamping cap (2) is provided with internal thread, the large footpath section of clamping cap (2) is threaded with the sealing socket (1) of column, the insulating sleeve (7) that the path section of clamping cap (2) is used for thermopair passes, and described clamping cap (2) makes band cone headed volcanics sealing-plug (4) deformable seal for pushing against guide pipe (3).
2. heatproof according to claim 1, withstand voltage thermopair sealing and plugging device, is characterized in that: the axial length of described guide pipe (3) adds that the axial length of volcanics sealing-plug (4) is greater than the large footpath section degree of depth of sealing socket (1).
3. heatproof according to claim 1 and 2, withstand voltage thermopair sealing and plugging device, is characterized in that: the axial length of described first porcelain knob (5) is identical with the central diameter section degree of depth of the sealing socket (1) of column; The axial length of described second porcelain knob (6) is identical with the large footpath section degree of depth of guide pipe (3).
4. heatproof according to claim 1 and 2, withstand voltage thermopair sealing and plugging device, it is characterized in that: sealing socket (1) stage casing of described column is provided with polygon boss, one end of the sealing socket (1) of column is provided with the external thread for connecting thermopair, and the other end is provided with the external thread for connecting clamping cap (1).
5. heatproof according to claim 4, withstand voltage thermopair sealing and plugging device, is characterized in that: the polygon boss on the sealing socket (1) of described column adopts hexagon.
6. heatproof according to claim 1, withstand voltage thermopair sealing and plugging device, is characterized in that: six prisms that described clamping cap (2) is hollow.
7. the heatproof according to claim 1 or 6, withstand voltage thermopair sealing and plugging device, is characterized in that: the large footpath Duan Chengliu prism of described clamping cap (2), path section is provided with external thread.
8. heatproof according to claim 1 and 2, withstand voltage thermopair sealing and plugging device, is characterized in that: described guide pipe (3) adopts metal guide pipe.
9. heatproof according to claim 1 and 2, withstand voltage thermopair sealing and plugging device, is characterized in that: the sealing socket (1) of described column adopts metal to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628228.0U CN204214563U (en) | 2014-10-28 | 2014-10-28 | Heatproof, withstand voltage thermopair sealing and plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628228.0U CN204214563U (en) | 2014-10-28 | 2014-10-28 | Heatproof, withstand voltage thermopair sealing and plugging device |
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| Publication Number | Publication Date |
|---|---|
| CN204214563U true CN204214563U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420628228.0U Active CN204214563U (en) | 2014-10-28 | 2014-10-28 | Heatproof, withstand voltage thermopair sealing and plugging device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595891A (en) * | 2016-12-16 | 2017-04-26 | 贵州航天计量测试技术研究所 | Transient response high temperature sensor applied to complex environment |
| CN107727265A (en) * | 2017-09-27 | 2018-02-23 | 浙江春晖仪表股份有限公司 | A kind of profound hypothermia gold iron thermocouple with sealing intensifying device |
| CN108015490A (en) * | 2017-11-27 | 2018-05-11 | 广西防城港核电有限公司 | The method for blocking of thermocouple pile conduit |
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
-
2014
- 2014-10-28 CN CN201420628228.0U patent/CN204214563U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595891A (en) * | 2016-12-16 | 2017-04-26 | 贵州航天计量测试技术研究所 | Transient response high temperature sensor applied to complex environment |
| CN107727265A (en) * | 2017-09-27 | 2018-02-23 | 浙江春晖仪表股份有限公司 | A kind of profound hypothermia gold iron thermocouple with sealing intensifying device |
| CN108015490A (en) * | 2017-11-27 | 2018-05-11 | 广西防城港核电有限公司 | The method for blocking of thermocouple pile conduit |
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
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