CN205715659U - A kind of sealing mechanism of anti-gas exchange - Google Patents
A kind of sealing mechanism of anti-gas exchange Download PDFInfo
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- CN205715659U CN205715659U CN201620180925.3U CN201620180925U CN205715659U CN 205715659 U CN205715659 U CN 205715659U CN 201620180925 U CN201620180925 U CN 201620180925U CN 205715659 U CN205715659 U CN 205715659U
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- briquetting
- gas barrier
- gas
- guide wheel
- block
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Abstract
This utility model relates to the sealing mechanism of a kind of anti-gas exchange, including fixture (1), revolving part (2), by block (3), briquetting (4), support member (5) and connecting rod (6), support member (5) is fixedly installed on revolving part (1), one end of connecting rod (6) is fixing with support member (5) to be connected, and the other end of connecting rod (6) is fixing with the stress surface (40) of briquetting (4) to be connected；Briquetting (4) has projection (41), groove (30) it is provided with in corresponding position by block (3), projection (41) and groove (30) are connected and closely cooperate and form junction (7), are provided with sealing strip (70) in junction (7).Body and rotary body junction can effectively be sealed by this mechanism effectively, prevent gas from carrying out gas exchange by the gap formed between body and rotary body, and the pressurized of its briquetting is uniform, and be prone to adjust, and overall structure is simple, and heat-insulating property is high.
Description
Technical field
The present invention relates to the sealing mechanism of a kind of anti-gas exchange, particularly relate to one for preventing gas from being carried out gas exchange by the gap formed between fixture and rotary body part.
Background technology
The innovation and creation of application number 201510072445.5 disclosed on 06 24th, 2015 disclose the sealing mechanism of a kind of anti-gas exchange, the present invention is the sealing mechanism of a kind of anti-gas exchange, connect including: fixture and with the briquetting being rotatably assorted with revolving part gap by block of revolving part matched in clearance and fix the hold-down mechanism being connected with revolving part, briquetting is pressed to by block by hold-down mechanism；Block is provided with the first sealing strip；The cavity of described briquetting lays the second sealing strip；Second sealing strip realizes the sealing in the first gap that briquetting is formed with revolving part outside wall surface；The screw rod compressing spiral of hold-down mechanism presses to the focusing surface of briquetting, and briquetting realizes sealing of briquetting and the second gap of being formed by block by the first pressure surface of seal face and the first sealing strip compression by block；The present invention achieves sealing function by simple mechanical sealing mechanism, gas is prevented to carry out the exchange of gas by the gap formed between fixture and revolving part, the gas i.e. preventing the external world is entered in revolving part by gap, is also prevented from the gas in revolving part by gap to outward leakage simultaneously.
But, during actual use, find following Railway Project
(1), the spring of this hold-down mechanism because of its flexible size relatively big, handling inconvenience, and along with the increase of access times, it easily produces fatigue, the pressure causing briquetting is uneven, and then causes sealing property bad.
(2), the second sealing strip in use, self can be worn, gas easily from abrasion mouth to outward leakage.
(3), can not directly provide the space that can install heat-preservation cotton at hold-down mechanism, cause the heat-insulating property of body of heater to reduce.
Summary of the invention
It is an object of the invention to provide the sealing mechanism of a kind of anti-gas exchange, body and rotary body junction can effectively be sealed by this mechanism effectively, prevent gas from carrying out gas exchange by the gap formed between body and rotary body, and the pressurized of its briquetting is uniform, and be prone to adjust, overall structure is simple, and heat-insulating property is high.
In order to achieve the above object, the present invention provides the sealing mechanism of a kind of anti-gas exchange, including:
A kind of sealing mechanism of anti-gas exchange, including fixture, revolving part, by block, briquetting, support member and connecting rod, described revolving part can rotate around described fixture, described it is fixedly installed on described fixture by block, described support member is fixedly installed on described revolving part, one end of described connecting rod is fixing with described support member to be connected, and the other end of described connecting rod is fixing with the stress surface of described briquetting to be connected；Described briquetting has a projection, described is provided with groove in corresponding position by block, and described projection is connected with described groove fit and closely cooperates formation junction, is provided with sealing strip in described junction；Also including limiting guide wheel device, this restriction guide wheel device includes guide wheel, fixing axle, fixing bar, and described guide wheel is around fixing axle rotary rolling, and this guide wheel main body is implemented with pressure to described briquetting；One end of described fixing axle is provided with guide wheel, its other end is fixedly installed on one end of described fixing bar, the other end of this fixing bar is fixed with spiral fastener by elastic device through described by block, this spiral fastener coordinates with the threaded one end of described fixing bar, and described elastic device is arranged on described by between block and described spiral fastener；Also include sealing device, one end of this sealing device is arranged on described support member, and its other end is arranged on one end of described briquetting, and sealing device is arranged along the outer surface of described revolving part, forming an airtight pressure regulation space, described sealing device is made up of high-temperature-resistant flexible material；Described revolving part around described fixture rotate time, described support member, connecting rod, briquetting rotate along with the rotation of revolving part.
The beneficial effect of the technical program:
(1) briquetting of the present invention and being attached by the form of projection and groove by block, is played the cooperation of sealing function, projection and groove and compares flat seal, and its sealing effectiveness is more preferable.
(2) the technical program is additionally arranged restriction guide wheel device briquetting is carried out spacing and pressure, can carry out briquetting compressing location in conjunction with connecting rod, impetus has at two, can preferably realize compressing effect, this restriction guide wheel device is in addition to possessing pressuring action simultaneously, it is provided with elastic device, this elastic device can be spring or other can play the mechanism of elastic force metamorphosis, this elastic device can be used to the pressure size regulating guide wheel to briquetting, it need not bigger stroke, regulation is got up convenient, access times are many, elastic device is not susceptible to weakness, reliability is high.
(3) the technical program is provided with the pressure regulation space being made up of sealing device and briquetting, the effect in this pressure regulation space is that the gas that can will leak out out is limited in pressure regulation space, it is prevented effectively from gas and directs out leakage, meanwhile, when stopping using, gas temperature reduces, the temperature of revolving part reduces, and its air pressure reduces, and the part Hui Anyuan road resting on the gas leakage in this pressure regulation gas is back in revolving part, reduce the leakage probability of gas further, and simple in construction is convenient.
As a kind of embodiment, also including gas barrier, this gas barrier includes that the first gas barrier and the second gas barrier, one end of described first gas barrier are fixedly installed on described support member, and its other end cantilever is arranged；Described second gas barrier is arranged on described by block, and its other end cantilever is arranged；This first gas barrier is positioned at the lower section of described second gas barrier, and the cantilever end of the cantilever end of the first gas barrier and the second gas barrier staggers and arranges formation gas channel mouth.This first gas barrier and the second gas barrier can allow gas move along its path constituted, and effectively reduce the diffusion time of flue gas.
As a kind of embodiment, described first gas barrier, the second gas barrier and the outside wall surface by block Yu described revolving part form a coffin, are filled with insulation material in this coffin.This insulation material can be effectively improved the heat-insulating property of revolving part.
As a kind of embodiment, described briquetting has a folding end, and this folding end and described second gas barrier have passage.This passage is positioned at the top of described gas channel mouth, forms similar labyrinthine pathway, increases the difficulty that gas flows out, and promotes its leakage efficiency further.
As a kind of embodiment, described sealing strip is graphite packing or establishment packing.
As a kind of embodiment, described sealing device is high-temperature-resistant flexible material, for soft graphite circle, asbestos ring, carbon fiber, perfluoroelastomers any one.
As a kind of embodiment, described restriction guide wheel device is at least three, and this restriction guide wheel device is symmetrical arranged along radial direction.Being symmetrical arranged the uniformity that can improve its pressure, strengthen the sealing effectiveness in each place, not affecting it normally rotates use simultaneously.
As a kind of embodiment, described briquetting has two projections, described is provided with groove at two in corresponding position by block, and described projection is connected with described groove fit and closely cooperates and forms junction at two.At two, projection and groove can improve sealing property, meanwhile can improve the reliability of system, and when a wherein abrasion, another may normally use, and improves the stability of equipment.
As a kind of embodiment, described briquetting has a direction recess, and described guide wheel coordinates to roll with described direction recess and is connected.This direction recess can promote guide wheel to move according to specified path, and by improving the surface processing accuracy of direction recess, can improve its guide wheel of the raising effect that uniformly presses to its contact surface.
The present invention achieves sealing function by simple mechanical sealing mechanism, gas is prevented to carry out the exchange of gas by the gap formed between fixture and revolving part, the gas i.e. preventing the external world is entered in revolving part by gap, is also prevented from the gas in revolving part by gap to outward leakage simultaneously.
Additionally, spring has auto-compensation, auto-compensation can be better achieved sealing flexibly.When using this sealing mechanism in Sludge carbonization furnace, owing to the temperature in the body of heater of rotary carbide furnace is higher, body of heater can deform, utilize after body of heater deformation the auto-compensation of spring self can regulate neatly briquetting to by block pressure, it is possible to realize more efficient sealing effectiveness.
Accompanying drawing explanation
Technical scheme for the clearer explanation embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, drawings discussed below is only some embodiments of the present invention, from the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the embodiment one of the sealing mechanism of anti-gas exchange；
Fig. 2 is according to part-structure schematic diagram in the sealing mechanism of the anti-gas exchange of embodiment one；
Fig. 3 is according to the partial structurtes schematic diagram of passage in the sealing mechanism of the anti-gas exchange of embodiment one；
Fig. 4 is according to gas channel mouth structure schematic diagram in the sealing mechanism of the anti-gas exchange of embodiment one；
Fig. 5 is according to limiting guide wheel device structural representation in the sealing mechanism of the anti-gas exchange of embodiment one；
Fig. 6 is according to the structural representation of briquetting in the sealing mechanism of the anti-gas exchange of embodiment one；
Fig. 7 is according to structural representation by block in the sealing mechanism of the anti-gas exchange of embodiment one；
Fig. 8 is according to the structural representation of briquetting in the sealing mechanism of the anti-gas exchange of embodiment two；
Fig. 9 is according to structural representation by block in the sealing mechanism of the anti-gas exchange of embodiment two.
Label declaration:
1. fixture, 2. revolving part, 3. by block, 4. briquetting, 40. stress surfaces, 41. projections, 42. folding ends, 43. direction recess, 5. support member, 6. connecting rod, 7. junction, 70. sealing strips, 8. limit guide wheel device, 80. guide wheels, 81. fix axle, and 82. fix bar, 9. elastic device, 10. spiral fastener, 11. sealing strips, 12. pressure regulation spaces, 13. gas barriers, 130. first gas barriers, 131. second gas barriers, 14. gas channel mouths, 15. coffins, 16. insulation materials.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical scheme in the embodiment of the present invention is clearly and completely illustrated.
Embodiment one
Fig. 1 is the overall structure schematic diagram of the embodiment one of the sealing mechanism of anti-gas exchange；Fig. 2 is according to part-structure schematic diagram in the sealing mechanism of the anti-gas exchange of embodiment one；Fig. 5 is according to limiting guide wheel device structural representation in the sealing mechanism of the anti-gas exchange of embodiment one.As shown in Figure 1, Figure 2 and shown in Fig. 5, a kind of sealing mechanism of anti-gas exchange, including fixture 1, revolving part 2, by block 3, briquetting 4, support member 5 and connecting rod 6, described revolving part 2 can rotate around described fixture 1, described it is fixedly installed on described fixture 1 by block 3, described support member 5 is fixedly installed on described revolving part 2, and one end of described connecting rod 6 is fixing with described support member 5 to be connected, and the other end of described connecting rod 6 is fixing with the stress surface 40 of described briquetting 4 to be connected；Described briquetting 4 has projection 41, the described groove 30 that is provided with by block 3 in corresponding position, and described projection 41 is connected with described groove 30 and closely cooperates and forms junction 7, is provided with sealing strip 70 in described junction 7；Also including limiting guide wheel device 8, as it is shown in figure 5, this restriction guide wheel device 8 includes guide wheel 80, fixing axle 81, fixing bar 82, described guide wheel 80 is around fixing axle 81 rotary rolling, this guide wheel 80) main body is implemented with pressure to described briquetting 4；One end of described fixing axle 81 is provided with guide wheel 80, its other end is fixedly installed on one end of described fixing bar 82, the other end 820 of this fixing bar 82 is fixed with spiral fastener 10 by elastic device 9 through described by block 3, this spiral fastener 10 coordinates with the threaded one end of described fixing bar 82, and described elastic device 9 is arranged on described by between block 3 and described spiral fastener 10；Also include sealing device 11, one end of this sealing device 11 is arranged on described support member 5, its other end is arranged on one end of described briquetting 4, sealing device 11 is arranged along the outer surface of described revolving part 2, form an airtight pressure regulation space 12, described sealing device 11 is made up of high-temperature-resistant flexible material, in the technical program, sealing device 11 is graphite packing, naturally it is also possible to be that graphite packing, asbestos packing, cotton yarn packing, Boehmeria packing, carbon fiber packing, aramid fiber packing tetrafluoro packing etc. are suitable for the movable sealing under high-temperature and high-pressure conditions.Described revolving part 2 around described fixture 1 rotate time, described support member 5, connecting rod 6, briquetting 4 rotate along with the rotation of revolving part 2.
Fig. 4 is according to gas channel mouth structure schematic diagram in the sealing mechanism of the anti-gas exchange of embodiment one；As shown in Figure 4, also including gas barrier 13, this gas barrier 13 includes the first gas barrier 130 and the second gas barrier 131, and one end of described first gas barrier 130 is fixedly installed on described support member 5, and its other end cantilever is arranged；Described second gas barrier 131 is arranged on described by block 3, and its other end cantilever is arranged；This first gas barrier 130 is positioned at the lower section of described second gas barrier 131, and the cantilever end of the cantilever end of the first gas barrier 130 and the second gas barrier 131 staggers and arranges formation gas channel mouth 14.
Described first gas barrier the 130, second gas barrier 131 and the outside wall surface by block 3 with described revolving part 2 form a coffin 15, are filled with insulation material 16 in this coffin 15.
Fig. 3 is according to the partial structurtes schematic diagram of passage in the sealing mechanism of the anti-gas exchange of embodiment one；Fig. 6 is according to the structural representation of briquetting in the sealing mechanism of the anti-gas exchange of embodiment one；As shown in Figure 3 and Figure 6, described briquetting 4 has a folding end 42, and this folding end 42 has passage 17 with described second gas barrier 131.Certainly, described briquetting 4 has a direction recess 43, and described guide wheel 80 coordinates to roll with described direction recess 43 and is connected.
Fig. 7 is according to structural representation by block in the sealing mechanism of the anti-gas exchange of embodiment one；Groove 30 it is provided with in corresponding position by block 3 as it is shown in fig. 7, described,
As in figure 2 it is shown, be provided with sealing strip 70 in described junction 7.In the present embodiment, described sealing strip 70 is graphite packing, naturally it is also possible to for soft graphite circle, asbestos ring, carbon fiber, perfluoroelastomers any one.
In the present embodiment, described restriction guide wheel device 8 is three, and this restriction guide wheel device 8 is symmetrical arranged along radial direction.Certainly it is also not limited to 3, it is also possible to be 4 or more, can be configured according to actual service condition.
Embodiment two
Fig. 8 is according to the structural representation of briquetting in the sealing mechanism of the anti-gas exchange of embodiment two；Fig. 9 is according to structural representation by block in the sealing mechanism of the anti-gas exchange of embodiment two.As can be seen from figures 8 and 9, described briquetting 4 has a projection 41, described is provided with groove 30 in corresponding position by block 3, and described projection 41 and described groove 40 are connected and closely cooperate junction 7 at formation two.It should be noted that in addition, other structures of the present embodiment can be identical with embodiment one, just need not repeat at this.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; the sealing mechanism utilizing anti-gas exchange of the present invention can be readily occurred in; for preventing gas from carrying out gas exchange by the gap formed between fixture 1 and revolving part 2, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. the sealing mechanism of an anti-gas exchange, including fixture (1), revolving part (2), by block (3), briquetting (4), support member (5) and connecting rod (6), described revolving part (2) can rotate around described fixture (1), it is characterized in that, described it is fixedly installed on described fixture (1) by block (3), described support member (5) is fixedly installed on described revolving part (2), one end of described connecting rod (6) is fixing with described support member (5) to be connected, the other end of described connecting rod (6) is fixing with the stress surface (40) of described briquetting (4) to be connected；Described briquetting (4) has projection (41), described it is provided with groove (30) in corresponding position by block (3), described projection (41) and described groove (30) are connected and closely cooperate and form junction (7), are provided with sealing strip (70) in described junction (7)；Also include limiting guide wheel device (8), this restriction guide wheel device (8) includes guide wheel (80), fixing axle (81), fixing bar (82), described guide wheel (80) is implemented with pressure around fixing axle (81) rotary rolling, this guide wheel (80) main body to described briquetting (4)；One end of described fixing axle (81) is provided with guide wheel (80), its other end is fixedly installed on one end of described fixing bar (82), the other end (820) of this fixing bar (82) is fixed with spiral fastener (10) by elastic device (9) through described by block (3), this spiral fastener (10) coordinates with the threaded one end of described fixing bar (82), and described elastic device (9) is arranged on described by between block (3) and described spiral fastener (10)；Also include sealing device (11), one end of this sealing device (11) is arranged on described support member (5), its other end is arranged on one end of described briquetting (4), sealing device (11) is arranged along the outer surface of described revolving part (2), forming an airtight pressure regulation space (12), described sealing device (11) is made up of high-temperature-resistant flexible material；Described revolving part (2) around described fixture (1) rotate time, described support member (5), connecting rod (6), briquetting (4) rotate along with the rotation of revolving part (2).
The sealing mechanism of anti-gas exchange the most according to claim 1, it is characterized in that, also include gas barrier (13), this gas barrier (13) includes the first gas barrier (130) and the second gas barrier (131), one end of described first gas barrier (130) is fixedly installed on described support member (5), and its other end cantilever is arranged；Described second gas barrier (131) is arranged on described by block (3), and its other end cantilever is arranged；This first gas barrier (130) is positioned at the lower section of described second gas barrier (131), and the cantilever end of the cantilever end of the first gas barrier (130) and the second gas barrier (131) staggers and arranges formation gas channel mouth (14).
The sealing mechanism of anti-gas exchange the most according to claim 2, it is characterized in that, described first gas barrier (130), the second gas barrier (131) and the outside wall surface by block (3) Yu described revolving part (2) form a coffin (15), are filled with insulation material (16) in this coffin (15).
The sealing mechanism of anti-gas exchange the most according to claim 3, it is characterized in that, described briquetting (4) has a folding end (42), and this folding end (42) and described second gas barrier (131) have passage (17).
5. according to the sealing mechanism of the arbitrary described anti-gas exchange of Claims 1-4, it is characterised in that described sealing strip (70) is graphite packing or establishment packing.
6. according to the sealing mechanism of the arbitrary described anti-gas exchange of Claims 1-4, it is characterised in that described sealing device (11) is high-temperature-resistant flexible material, for soft graphite circle, asbestos ring, carbon fiber, perfluoroelastomers any one.
7. according to the sealing mechanism of the arbitrary described anti-gas exchange of Claims 1-4, it is characterised in that described restriction guide wheel device (8) at least three, this restriction guide wheel device (8) is symmetrical arranged along radial direction.
8. according to the sealing mechanism of the arbitrary described anti-gas exchange of Claims 1-4, it is characterized in that, described briquetting (4) has two projections (41), the described groove at two (30) that is provided with in corresponding position by block (3), described projection (41) and described groove (30) are connected and closely cooperate and form junction (7) at two.
9. according to the sealing mechanism of the arbitrary described anti-gas exchange of Claims 1-4, it is characterized in that, described briquetting (4) has a direction recess (43), and described guide wheel (80) coordinates to roll with described direction recess (43) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180925.3U CN205715659U (en) | 2016-03-09 | 2016-03-09 | A kind of sealing mechanism of anti-gas exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180925.3U CN205715659U (en) | 2016-03-09 | 2016-03-09 | A kind of sealing mechanism of anti-gas exchange |
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| Publication Number | Publication Date |
|---|---|
| CN205715659U true CN205715659U (en) | 2016-11-23 |
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| CN201620180925.3U Expired - Fee Related CN205715659U (en) | 2016-03-09 | 2016-03-09 | A kind of sealing mechanism of anti-gas exchange |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587863A (en) * | 2016-03-09 | 2016-05-18 | 浙江尚鼎工业炉有限公司 | Sealing mechanism with gas exchange preventing function |
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2016
- 2016-03-09 CN CN201620180925.3U patent/CN205715659U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587863A (en) * | 2016-03-09 | 2016-05-18 | 浙江尚鼎工业炉有限公司 | Sealing mechanism with gas exchange preventing function |
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Granted publication date: 20161123 Termination date: 20180309 |
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