CN210536429U - Sealing device - Google Patents
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- CN210536429U CN210536429U CN201921472494.8U CN201921472494U CN210536429U CN 210536429 U CN210536429 U CN 210536429U CN 201921472494 U CN201921472494 U CN 201921472494U CN 210536429 U CN210536429 U CN 210536429U
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- telescopic rod
- sealing cover
- rotating
- boiler
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Abstract
The utility model discloses a sealing device, which comprises a turnover mechanism and a sealing cover arranged at the mouth of a boiler; the turnover mechanism comprises a first telescopic rod and a second telescopic rod; the first telescopic rod and the second telescopic rod are both arranged on the outer side wall of the boiler opening, and the first telescopic rod is rotatably connected with the outer side wall of the boiler opening through a first rotating shaft; the flexible execution end of first telescopic link with the flexible execution end of second telescopic link respectively through first articulated elements and second articulated elements with sealed lid rotates and is connected, just the axis of rotation of first pivot the axis of rotation of first articulated elements with the axis of rotation of second articulated elements is parallel. Above-mentioned scheme can solve present sealed lid and take place the scald easily and the problem that the workman is difficult to touch the operation in the operation mode that adopts artifical switching.
Description
Technical Field
The utility model relates to a boiler technical field of thermal power plant especially relates to a sealing device.
Background
A boiler is an energy conversion device which can generate and release heat energy through combustion of fuel such as coal and further heat water in the boiler to form steam; the steam is conveyed to a steam power device such as a steam turbine and the like to be converted into mechanical energy, and the mechanical energy is converted into electric energy through a generator; therefore, boilers are among the basic devices in thermal power plants, which are used in large numbers.
At present, a sealing cover at a boiler port is manually opened and closed; however, since the sealing cover is easily corroded by heat, so that the temperature of the sealing cover is high, the problems that a worker is easily scalded and the worker is difficult to touch during the operation of opening and closing the sealing cover are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a sealing device to solve present sealed lid and take place easily the scald and the problem that the workman is difficult to the touching operation in the operation mode who adopts artifical switching.
In order to solve the above problem, the utility model adopts the following technical scheme:
a sealing device comprises a turnover mechanism and a sealing cover arranged at a boiler port; the turnover mechanism comprises a first telescopic rod and a second telescopic rod; the first telescopic rod and the second telescopic rod are both arranged on the outer side wall of the boiler opening, and the first telescopic rod is rotatably connected with the outer side wall of the boiler opening through a first rotating shaft; the flexible execution end of first telescopic link with the flexible execution end of second telescopic link respectively through first articulated elements and second articulated elements with sealed lid rotates and is connected, just the axis of rotation of first pivot the axis of rotation of first articulated elements with the axis of rotation of second articulated elements is parallel.
Further, the second telescopic rod is rotatably arranged on the outer side wall of the boiler opening through a second rotating shaft, and the rotating axis of the second rotating shaft is parallel to the rotating axis of the first rotating shaft; one side of the second telescopic rod, which deviates from the first telescopic rod, is provided with a limiting blocking part, and the limiting blocking part is close to the second telescopic rod.
Further, the turnover mechanism further comprises a first rotating seat and a second rotating seat, and the first rotating seat and the second rotating seat are rotatably arranged on the outer side wall of the boiler opening through the first rotating shaft and the second rotating shaft respectively; the first telescopic rod and the second telescopic rod are respectively arranged on the first rotating seat and the second rotating seat.
Furthermore, the limit stop part is a stop block, a baffle plate or a stop column.
Further, the first telescopic rod and the second telescopic rod are positioned on the same side of the boiler opening; the turnover mechanism further comprises a connecting rod and a third telescopic rod; two ends of the connecting rod are respectively connected with the first telescopic rod and the second telescopic rod in a rotating mode through a fourth rotating shaft; the third telescopic rod is arranged between the first telescopic rod and the second telescopic rod and is rotatably connected with the outer side wall of the boiler opening through a third rotating shaft; the flexible execution end of third telescopic link pass through the fifth pivot with the connecting rod rotates and connects, the axis of rotation of third pivot, the axis of rotation of fourth pivot the axis of rotation of fifth pivot with the axis of rotation of first pivot is parallel.
Furthermore, the number of the turnover mechanisms is two, and the two turnover mechanisms are respectively positioned at two opposite sides of the boiler opening.
Further, the sealing cover comprises a sealing cover body and a locking mechanism; the locking mechanism comprises a driving motor and a driven screw rod; the inner side wall of the boiler opening is provided with a connecting block, and the connecting block is provided with a threaded hole matched with the driven screw rod; one surface of the sealing cover body, which is far away from the boiler opening, is an outer side surface, and the driving motor is arranged on the outer side surface of the sealing cover body; the sealing cover body is provided with a thread through hole matched with the driven screw rod, one end of the driven screw rod is in transmission connection with an output shaft of the driving motor through a transmission mechanism, and the other end of the driven screw rod penetrates through the thread through hole of the sealing cover body and can be in fastening fit with the threaded hole of the connecting block.
Further, the transmission mechanism comprises a driving gear, a driven gear and a rotating plate; the driving gear is arranged on an output shaft of the driving motor and is meshed with the driven gear; a first through hole in sliding fit with the driven screw is formed in the center of the driven gear, one end of the driven screw is connected with the rotating plate, the other end of the driven screw sequentially penetrates through the first through hole and the sealing cover body, and the driven screw is arranged along the rotating axis direction of the driven gear; the outer side surface of the sealing cover body is provided with a circular positioning groove, and the central axis of the positioning groove, the rotating axis of the driven gear and the rotating axis of the rotating plate are positioned on the same straight line;
at least two sliding blocks are arranged on the disc surface on one side of the driven gear, are arranged in the positioning grooves in a sliding mode and are distributed along the same circumferential direction of the driven screw; a guide rod is arranged on the disc surface on the other side of the driven gear, and the guide rod is parallel to the driven screw rod; the rotating plate is provided with a second through hole, and the guide rod penetrates through the second through hole and is in sliding fit with the second through hole.
Furthermore, a shell is arranged on the outer side surface of the sealing cover body, and the shell and the sealing cover body enclose an accommodating cavity; the driving gear, the driven gear and the positioning groove are all located in the accommodating cavity.
Further, a frame body with a through structure is arranged at the boiler opening; the turnover mechanism is arranged on the outer side wall of the frame body; the sealing cover is positioned at one end port of the frame body, and a flange plate is arranged at the other end port of the frame body opposite to the sealing cover and is fixed at the boiler port through the flange plate; the frame is in communication with the boiler port.
The utility model discloses a technical scheme can reach following beneficial effect:
the utility model discloses a sealing device, which is additionally provided with a turnover mechanism at the boiler mouth; when the sealing cover needs to be opened, the telescopic execution ends of the first telescopic rod and the second telescopic rod simultaneously extend and move, so that the sealing cover is separated from the boiler mouth, and the sealing cover can be conveniently and smoothly turned and moved subsequently; after the sealing cover is separated from the boiler opening, the telescopic execution end of the first telescopic rod continues to extend and move, so that the sealing cover can be pushed to overturn and move around the second articulated element, and the boiler opening is automatically opened; when the sealing cover needs to be closed, the telescopic execution end of the first telescopic rod shrinks and moves, the sealing cover rotates and moves to a position right opposite to the boiler opening, then the telescopic execution ends of the second telescopic rod and the first telescopic rod shrink and move simultaneously, the sealing cover covers the boiler opening, and automatic closing of the sealing cover is achieved. Consequently, compare in the operating means of present sealed lid adoption manual work switching, the utility model discloses a sealing device can realize the automatic operation of sealed lid switching for the switching operation of sealed lid is safe, reliable.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a sealing device disclosed in an embodiment of the present invention;
fig. 2 is a top view of a sealing cover disclosed in an embodiment of the present invention;
fig. 3 is a schematic view of an arrangement structure of a driven gear disclosed in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a frame body disclosed in the embodiment of the present invention.
Description of reference numerals:
100-frame body, 110-flange plate, 120-connecting block, 121-threaded hole,
210-a first telescopic rod, 211-a first rotating seat, 220-a second telescopic rod, 221-a second rotating seat, 222-a limit stop part, 230-a connecting rod, 240-a third telescopic rod,
300-sealing cover body, 301-positioning groove, 310-driving motor, 311-bracket, 320-driven screw, 330-shell, 331-driving gear, 332-driven gear, 333-rotating plate, 334-guide rod and 335-slide block.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, an embodiment of the present invention discloses a sealing device, which includes a turnover mechanism and a sealing cover disposed at a boiler port; the turnover mechanism comprises a first telescopic rod 210 and a second telescopic rod 220; the first telescopic rod 210 and the second telescopic rod 220 are both arranged on the outer side wall of the boiler opening, and the first telescopic rod 210 is rotatably connected with the outer side wall of the boiler opening through a first rotating shaft; the telescopic executing end of the first telescopic rod 210 and the telescopic executing end of the second telescopic rod 220 are rotatably connected with the sealing cover through a first hinge and a second hinge respectively, and the rotating axis of the first rotating shaft, the rotating axis of the first hinge and the rotating axis of the second hinge are parallel.
Based on the utility model discloses sealing device has set up tilting mechanism in boiler mouth department to the automatic switching of sealed lid has been realized.
When the sealing cover needs to be opened, the telescopic execution ends of the first telescopic rod 210 and the second telescopic rod 220 extend and move simultaneously, so that the sealing cover is just opposite to and separated from the boiler opening and forms a spacing distance with the boiler opening, and the sealing cover can be conveniently and smoothly turned and moved subsequently; after the sealing cover is separated from the boiler opening, the telescopic execution end of the second telescopic rod 220 stops extending and moving, and the telescopic execution end of the first telescopic rod 210 continues extending and moving, so that the first telescopic rod 210 can push the sealing cover to overturn and move around the second hinged part, and the first telescopic rod 210 can be adaptively rotated and adjusted along with the overturning and opening angle of the sealing cover through the first rotating shaft, so that the extending and moving of the first telescopic rod 210 can smoothly push the sealing cover to overturn, and the boiler opening is automatically opened.
When the sealing cover needs to be closed, the telescopic execution end of the first telescopic rod 210 contracts and moves, so that the sealing cover rotates around the second hinge element and rotates and moves to a position opposite to the boiler opening; then, the telescopic executing ends of the second telescopic rod 220 and the first telescopic rod 210 contract and move simultaneously, so that the sealing cover moves to cover the boiler opening, and the sealing cover is automatically closed.
Therefore, compare in the operating mode that present sealed lid adopted artifical switching, the utility model discloses a sealing device can make the switching operation of sealed lid safe, reliable through the above-mentioned tilting mechanism that discloses.
The second telescopic rod 220 is rotatably arranged on the outer side wall of the boiler opening through a second rotating shaft, and the rotating axis of the second rotating shaft is parallel to that of the first rotating shaft; one side of the second telescopic rod 220, which is far away from the first telescopic rod 210, is provided with a limit stop 222, and the limit stop is close to the second telescopic rod 220; therefore, the limiting blocking part 222 can play a limiting blocking role on the second telescopic rod 220, and the phenomenon that the overturning movement of the sealing cover is influenced due to the fact that the second telescopic rod 220 excessively rotates in the overturning and opening process of the sealing cover is avoided. Of course, the second telescopic rod 220 may also be fixedly disposed on the outer sidewall of the boiler opening, so that the sealing cover can be easily turned over and opened. In general, the disclosed limit stop 222 may be a stop, a baffle, or a stop column, and the like, but the embodiment of the present invention does not limit the specific structure type of the limit stop 222.
In order to facilitate the first telescopic rod 210 and the second telescopic rod 220 to be rotatably arranged on the outer side wall of the boiler opening, the disclosed turnover mechanism can further comprise a first rotating seat 211 and a second rotating seat 221, and the first rotating seat 211 and the second rotating seat 221 are rotatably arranged on the outer side wall of the boiler opening through a first rotating shaft and a second rotating shaft respectively; the first and second telescopic rods 210 and 220 are respectively disposed on the first and second rotating seats 211 and 221, thereby facilitating the assembly of the first and second telescopic rods 210 and 220 through the first and second rotating seats 211 and 221.
Specifically, the first telescopic rod 210 and the second telescopic rod 220 disclosed in the embodiment of the present invention may be located at the same side of the boiler mouth; meanwhile, the turnover mechanism may further include a connection rod 230 and a third telescopic rod 240; two ends of the connecting rod 230 are rotatably connected with the first telescopic rod 210 and the second telescopic rod 220 through a fourth rotating shaft respectively; the third telescopic rod 240 is arranged between the first telescopic rod 210 and the second telescopic rod 220 and is rotatably connected with the outer side wall of the boiler port through a third rotating shaft; the telescopic executing end of the third telescopic rod 240 is rotatably connected with the connecting rod 230 through a fifth rotating shaft, and the rotating axis of the third rotating shaft, the rotating axis of the fourth rotating shaft and the rotating axis of the fifth rotating shaft are parallel to the rotating axis of the first rotating shaft; therefore, the opening and folding mechanism formed by the third telescopic rod 240 and the connecting rod 230 can play a role in limiting and controlling the first telescopic rod 210, so that the applicability rotating position of the first telescopic rod 210 can be better controlled in the opening and closing process of the sealing cover, and the automatic opening and closing operation of the sealing cover is facilitated.
The number of the turnover mechanisms can be two, and the two turnover mechanisms are respectively positioned at two opposite sides of the boiler opening; thereby can promote the both ends of sealed lid simultaneously and remove through the synchronization action of both sides tilting mechanism, and then make the switching upset of sealed lid remove more stably, reliably.
In order to improve the sealing effect of the sealing cover, the sealing cover disclosed by the embodiment of the invention can comprise a sealing cover body 300 and a locking mechanism; the locking mechanism comprises a driving motor 310 and a driven screw 320; the inner side wall of the boiler opening is provided with a connecting block 120, and the connecting block 120 is provided with a threaded hole 121 matched with the driven screw 320; one side of the sealing cover body 300 departing from the boiler opening is an outer side surface, and the driving motor 310 is arranged on the outer side surface of the sealing cover body 300; the sealing cover body 300 is provided with a thread perforation matched with the driven screw 320, one end of the driven screw 320 is in transmission connection with an output shaft of the driving motor 310 through a transmission mechanism, and the other end of the driven screw 320 penetrates through the thread perforation of the sealing cover body 300 and can be tightly matched with the thread hole 121 of the connecting block 120; in general, the transmission mechanism may be a transmission gear set or a transmission belt.
Based on the above sealing cover structure disclosed by the embodiment of the present invention, a locking mechanism is added on the sealing cover body 300, so that when the above turnover mechanism disclosed by the embodiment of the present invention covers the sealing cover on the boiler mouth, the driving motor 310 can drive the driven screw 320 to rotate through the transmission mechanism and make the driven screw 320 and the threaded hole 121 of the connecting block 120 screwed and fixed, so that the sealing cover is tightly locked at the boiler mouth, which is beneficial to improving the sealing effect of the sealing cover; when sealed lid need be opened, driving motor 310 can rotate and make driven screw 320 loosen with the screw hole 121 of connecting block 120 and break away from through drive mechanism drive driven screw 320, and then pass through again the utility model discloses above-mentioned tilting mechanism that the embodiment discloses carries out sealed lid and opens the operation.
Specifically, the transmission mechanism disclosed in the embodiment of the present invention may include a driving gear 331, a driven gear 332, and a rotating plate 333; the driving gear 331 is provided on the output shaft of the driving motor 310 and engaged with the driven gear 332; a first through hole in sliding fit with the driven screw 320 is formed in the center of the driven gear 332, one end of the driven screw 320 is connected with the rotating plate 333, the other end of the driven screw 320 sequentially passes through the first through hole and the sealing cover 300, and the driven screw 320 is arranged along the rotating axis direction of the driven gear 332; the outer side surface of the sealing cover body 300 is provided with a circular positioning groove 301, and the central axis of the positioning groove 301, the rotation axis of the driven gear 332 and the rotation axis of the rotating plate 333 are positioned on the same straight line; at least two sliding blocks 335 are arranged on the disk surface on one side of the driven gear 332, and the sliding blocks 335 are arranged in the positioning grooves 301 in a sliding manner and are distributed along the same circumferential direction of the driven screw 320; a guide rod 334 is arranged on the other side disc surface of the driven gear 332, and the guide rod 334 is parallel to the driven screw 320; the rotating plate 333 is provided with a second through hole, and the guide bar 334 passes through the second through hole and is slidably fitted with the second through hole.
Based on the transmission mechanism, the output shaft of the driving motor 310 drives the driving gear 331 to rotate, and drives the driven gear 332 to rotate through the rotation of the driving gear 331, so that the driven gear 332 rotates through stirring the rotating plate 333 through the guide rod 334 and controls the rotation of the driven screw 320 through the rotation of the rotating plate 333, thereby realizing the rotation control of the forward and backward movement of the driven screw 320; the driven gear 332 is rotatably arranged through the positioning groove 301 and the slider 335, and the rotating plate 333 can correspondingly move forward and backward along the guide rod 334 along with the forward and backward movement of the driven screw 320 during the rotation process, so that the smooth rotation movement of the driven screw 320 is ensured.
Here, the number of the guide rods 334 may be two and the guide rods are uniformly distributed along the circumferential direction of the driven screw 320, so that the rotating plate 333 can be stably rotated and moved. Of course, the number of the guide rods 334 may be one or more; embodiments of the present invention do not limit the specific number of guide rods 334.
A shell 330 may be further disposed on the outer side surface of the sealing cover 300, and the shell 330 and the sealing cover 300 enclose an accommodation chamber; the driving gear 331, the driven gear 332 and the positioning groove 301 are all located in the accommodating cavity, so that the transmission mechanism arranged in the accommodating cavity can be protected through the shell 330, and the influence on the normal operation of the transmission mechanism caused by the falling of dust and other impurities into the transmission mechanism is avoided. Meanwhile, the sealing cover body 300 may be provided with a bracket 311, and the driving motor 310 is fixed on the bracket 311, so that the driving motor 310 may be supported and fixed by the bracket 311; the driving gear 331 disposed on the output shaft of the driving motor 310 may be located at a side adjacent to the outer side surface of the sealing cap body 300.
In the embodiment of the utility model, the boiler mouth can be provided with a frame body 100 with a through structure; the turnover mechanism is arranged on the outer side wall of the frame body 100; the sealing cover is positioned at one end port of the frame body 100, and a flange plate 110 is arranged at the other end port of the frame body 100 opposite to the sealing cover and is fixed at the boiler port through the flange plate 110; the boiler opening is communicated with the frame body 100, and the boiler opening is sealed by sealing the sealing cover at the port of the frame body 100; the frame body 100 facilitates the installation of the turnover mechanism, and the flange plate 110 facilitates the fixed installation of the frame body 100 at the boiler mouth.
The cross-sectional shape of the frame body 100 may be square; it is easily understood that the frame body 100 may have other shapes, for example, the cross-sectional shape of the frame body 100 is circular or elliptical; in addition, the disclosed turnover mechanism can also be directly arranged on the boiler body, so that the sealing cover of the sealing device can be directly sealed and closed on the boiler opening.
Meanwhile, the first, second and third telescopic rods 210, 220 and 240 may be electric telescopic rods, hydraulic telescopic rods or pneumatic telescopic rods.
The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A sealing device is characterized by comprising a turnover mechanism and a sealing cover arranged at a boiler port; the turnover mechanism comprises a first telescopic rod and a second telescopic rod: the first telescopic rod and the second telescopic rod are both arranged on the outer side wall of the boiler opening, and the first telescopic rod is rotatably connected with the outer side wall of the boiler opening through a first rotating shaft; the flexible execution end of first telescopic link with the flexible execution end of second telescopic link respectively through first articulated elements and second articulated elements with sealed lid rotates and is connected, just the axis of rotation of first pivot the axis of rotation of first articulated elements with the axis of rotation of second articulated elements is parallel.
2. The sealing device according to claim 1, wherein the second telescopic rod is rotatably disposed on an outer side wall of the boiler opening through a second rotating shaft, and a rotating axis of the second rotating shaft is parallel to a rotating axis of the first rotating shaft; one side of the second telescopic rod, which deviates from the first telescopic rod, is provided with a limiting blocking part, and the limiting blocking part is close to the second telescopic rod.
3. The sealing device of claim 2, wherein the turnover mechanism further comprises a first rotating seat and a second rotating seat, and the first rotating seat and the second rotating seat are rotatably disposed on an outer side wall of the boiler opening through the first rotating shaft and the second rotating shaft, respectively; the first telescopic rod and the second telescopic rod are respectively arranged on the first rotating seat and the second rotating seat.
4. A sealing device according to claim 3, wherein the positive stop is a stop, a flap or a post.
5. The sealing device according to any one of claims 1 to 4, wherein the first telescopic rod and the second telescopic rod are located on the same side of the boiler port; the turnover mechanism further comprises a connecting rod and a third telescopic rod; two ends of the connecting rod are respectively connected with the first telescopic rod and the second telescopic rod in a rotating mode through a fourth rotating shaft; the third telescopic rod is arranged between the first telescopic rod and the second telescopic rod and is rotatably connected with the outer side wall of the boiler opening through a third rotating shaft; the flexible execution end of third telescopic link pass through the fifth pivot with the connecting rod rotates and connects, the axis of rotation of third pivot, the axis of rotation of fourth pivot the axis of rotation of fifth pivot with the axis of rotation of first pivot is parallel.
6. The sealing device of claim 5, wherein the number of the turnover mechanisms is two, and the two turnover mechanisms are respectively located at two opposite sides of the boiler opening.
7. The sealing device of any one of claims 1 to 4, wherein the sealing cap comprises a sealing cap body and a locking mechanism; the locking mechanism comprises a driving motor and a driven screw rod; the inner side wall of the boiler opening is provided with a connecting block, and the connecting block is provided with a threaded hole matched with the driven screw rod; one surface of the sealing cover body, which is far away from the boiler opening, is an outer side surface, and the driving motor is arranged on the outer side surface of the sealing cover body; the sealing cover body is provided with a thread through hole matched with the driven screw rod, one end of the driven screw rod is in transmission connection with an output shaft of the driving motor through a transmission mechanism, and the other end of the driven screw rod penetrates through the thread through hole of the sealing cover body and can be in fastening fit with the threaded hole of the connecting block.
8. The sealing device of claim 7, wherein the transmission mechanism includes a drive gear, a driven gear, and a rotating plate; the driving gear is arranged on an output shaft of the driving motor and is meshed with the driven gear; a first through hole in sliding fit with the driven screw is formed in the center of the driven gear, one end of the driven screw is connected with the rotating plate, the other end of the driven screw sequentially penetrates through the first through hole and the sealing cover body, and the driven screw is arranged along the rotating axis direction of the driven gear; the outer side surface of the sealing cover body is provided with a circular positioning groove, and the central axis of the positioning groove, the rotating axis of the driven gear and the rotating axis of the rotating plate are positioned on the same straight line;
at least two sliding blocks are arranged on the disc surface on one side of the driven gear, are arranged in the positioning grooves in a sliding mode and are distributed along the same circumferential direction of the driven screw; a guide rod is arranged on the disc surface on the other side of the driven gear, and the guide rod is parallel to the driven screw rod; the rotating plate is provided with a second through hole, and the guide rod penetrates through the second through hole and is in sliding fit with the second through hole.
9. The sealing device according to claim 8, wherein a housing is provided on an outer side of the sealing cover body, and the housing and the sealing cover body enclose a receiving chamber; the driving gear, the driven gear and the positioning groove are all located in the accommodating cavity.
10. The sealing device according to any one of claims 1 to 4, wherein the boiler mouth is provided with a frame body of a through structure; the turnover mechanism is arranged on the outer side wall of the frame body; the sealing cover is positioned at one end port of the frame body, and a flange plate is arranged at the other end port of the frame body opposite to the sealing cover and is fixed at the boiler port through the flange plate; the frame is in communication with the boiler port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472494.8U CN210536429U (en) | 2019-09-05 | 2019-09-05 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472494.8U CN210536429U (en) | 2019-09-05 | 2019-09-05 | Sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210536429U true CN210536429U (en) | 2020-05-15 |
Family
ID=70604373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921472494.8U Expired - Fee Related CN210536429U (en) | 2019-09-05 | 2019-09-05 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210536429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601438A (en) * | 2019-09-05 | 2019-12-20 | 神华福能发电有限责任公司 | Sealing device |
-
2019
- 2019-09-05 CN CN201921472494.8U patent/CN210536429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601438A (en) * | 2019-09-05 | 2019-12-20 | 神华福能发电有限责任公司 | Sealing device |
| CN110601438B (en) * | 2019-09-05 | 2024-04-23 | 神华（福建）能源有限责任公司 | Sealing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210905 |