CN213747810U - Small part sealing structure of vacuum furnace - Google Patents
Small part sealing structure of vacuum furnace Download PDFInfo
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- CN213747810U CN213747810U CN202022227050.7U CN202022227050U CN213747810U CN 213747810 U CN213747810 U CN 213747810U CN 202022227050 U CN202022227050 U CN 202022227050U CN 213747810 U CN213747810 U CN 213747810U
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Abstract
The utility model belongs to the technical field of vacuum furnace equipment, in particular to a small part sealing structure of a vacuum furnace, which is arranged between a main body part and a sealing part, and comprises an O-shaped sealing ring and a pressure ring component; the sealing piece is provided with a sealing groove on the end face corresponding to the main body piece, the O-shaped sealing ring is accommodated in the sealing groove and is extruded and fixed through the pressing ring assembly, and the pressing ring assembly is connected with the sealing piece. The utility model discloses simple structure, easily processing installation, the maintenance of being convenient for, maintenance frequency is low, has avoided the problem of sealing washer installation distortion, and the leakproofness is good, long service life.
Description
Technical Field
The utility model belongs to the technical field of vacuum furnace equipment, in particular to widget seal structure of vacuum furnace.
Background
In the overall structure design of the vacuum furnace, a sealing structure is required to be designed for a plurality of parts with smaller sizes. The sealing structure of the small part of the existing vacuum furnace is difficult to install in a form, the sealing ring is distorted during installation, the sealing performance is poor, the maintenance frequency is high, the maintenance difficulty is high, and the normal work of the vacuum furnace is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a small part sealing structure of a vacuum furnace, which solves the problems of poor sealing performance, high maintenance frequency and high maintenance difficulty caused by the distortion of the sealing ring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a small component sealing structure of a vacuum furnace is arranged between a main body component and a sealing component and comprises an O-shaped sealing ring and a pressure ring component;
and the end faces of the sealing element corresponding to the main body element are provided with sealing grooves, the O-shaped sealing ring is accommodated in the sealing grooves and is extruded and fixed through a pressure ring assembly, and the pressure ring assembly is connected with the sealing element.
The sealing groove is a circular groove and is of a gradually closing-up structure from the bottom to the port.
The inner wall of the sealing groove is of a conical surface structure.
The pressing ring assembly comprises a pressing ring and a screw, wherein the pressing ring is located on the inner side of the O-shaped sealing ring and is connected with the sealing piece through the screw.
The outer circumference of the compression ring is of a conical surface structure, and the O-shaped sealing ring is fixed through the conical surface structure.
The taper of the outer circumferential surface of the compression ring is equal to the taper of the inner wall of the sealing groove, and the directions of the tapers are opposite.
The bottom of the sealing groove is provided with a limiting groove, and the inner side end of the pressing ring is provided with a limiting boss matched with the limiting groove.
The bottom of the limiting groove is provided with a threaded blind hole, and the threaded blind hole is used for being connected with the screw.
The compression ring is provided with a central screw hole which is of a stepped structure; the screw is a slotted pan head screw and penetrates through a central screw hole of the compression ring to be connected with the threaded blind hole.
The utility model discloses an advantage does with positive effect: the utility model provides a widget seal structure of vacuum furnace, simple structure easily processes the installation, and the maintenance of being convenient for, maintenance frequency is low, has avoided the problem of sealing washer installation distortion, and the leakproofness is good, long service life.
Drawings
FIG. 1 is a schematic view of a small component sealing structure of the vacuum furnace of the present invention;
FIG. 2 is a schematic structural view of the middle pressure ring of the present invention;
fig. 3 is a schematic structural diagram of the sealing member of the present invention.
In the figure: 1 is the main part, 2 is O type sealing washer, 3 is the clamping ring, 4 is the screw, 5 is the sealing member, 6 is the screw hole, 7 is the inner inclined plane, 8 is spacing boss, 9 is outer inclined plane, 10 is spacing recess, 11 is the screw blind hole, 12 is the seal groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the small component sealing structure of the vacuum furnace provided by the present invention is disposed between the main component 1 and the sealing component 5, and the sealing structure includes an O-ring 2 and a pressing ring assembly; the end face, corresponding to the main body piece 1, of the sealing piece 5 is provided with a sealing groove 12, the O-shaped sealing ring 2 is contained in the sealing groove 12 and is extruded and fixed through a pressing ring assembly, and the pressing ring assembly is connected with the sealing piece 5.
In the embodiment of the present invention, as shown in fig. 3, the sealing groove 12 is a circular groove and has a gradually closing structure from the bottom to the port. Specifically, the inner wall of the sealing groove 12 is of a conical structure.
In the embodiment of the utility model, as shown in fig. 1, the clamping ring subassembly includes clamping ring 3 and screw 4, and wherein clamping ring 3 is located 2 inboards of O type sealing washer to be connected with sealing member 5 through screw 4.
Further, as shown in fig. 2, the outer circumferential surface of the pressing ring 3 is a conical surface structure, and the O-ring 2 is pressed by the conical surface structure, so that the O-ring 2 is fixed.
Further, the taper of the outer circumferential surface of the pressing ring 3 is equal to the taper of the inner wall of the sealing groove 12, and the direction is opposite. That is, the outer circumferential surface of the pressing ring 3 and the inner wall of the sealing groove 12 form a ring groove having an inner slope 7 and an outer slope 9, so that the O-ring 2 is fixed therein. The bevel angle of the outer bevel 9 is the same as the bevel angle of the inner bevel 7, but in the opposite direction.
In the embodiment of the present invention, as shown in fig. 2-3, the bottom of the sealing groove 12 is provided with a limiting groove 10, and the inner side end of the pressing ring 3 is provided with a limiting boss 8 engaged with the limiting groove 10. The limiting boss 8 is matched with the limiting groove 10 to realize the positioning of the pressing ring 3.
Further, the bottom of the limiting groove 10 is provided with a blind threaded hole 11, and the blind threaded hole 11 is used for being connected with the screw 4.
In the embodiment, the compression ring 3 is provided with a central screw hole 6, and the screw hole 6 is of a stepped structure; the screw 4 is a slotted pan head screw and penetrates through a central screw hole 6 of the compression ring 3 to be connected with the threaded blind hole 11. Specifically, the depth dimension of central screw hole 6 is greater than the nut height dimension of screw 4, makes screw 4 not have protrudingly, and the processing has some spacing boss 8 on the clamping ring 3, can better location when making the installation of clamping ring 3, and the processing has interior inclined plane 7 on the clamping ring 3, and the inclined plane angle of interior inclined plane 7 is reasonable, cooperation that can be better with O type sealing washer 2.
The utility model discloses an assembly process is:
during installation, the O-shaped sealing ring 2 is placed into the outer inclined plane 9 of the sealing element 5, the pressing ring 3 is placed into the inner ring of the O-shaped sealing ring 2, the position is adjusted to enable the limiting boss 8 on the pressing ring 3 to enter the limiting groove 10 on the sealing element 5, the screw 4 with the slotted pan head penetrates through the central screw hole 6 on the pressing ring 3 and is screwed into the threaded blind hole 11 on the sealing element 5, and finally certain pressure is given to enable the sealing element 5 to be tightly attached to the main body element 1 to achieve the purpose of sealing, and assembly is completed.
The utility model discloses a theory of operation does:
The utility model provides a pair of widget seal structure form of vacuum furnace, simple structure easily processes the installation, and the maintenance of being convenient for has avoided the problem of sealing washer installation distortion, and the leakproofness is good, the effectual normal work of having guaranteed the vacuum furnace, very big reduction the sealed degree of difficulty of vacuum furnace widget
The above description is only for the embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims (9)
1. A small part sealing structure of a vacuum furnace is arranged between a main body part (1) and a sealing part (5), and is characterized by comprising an O-shaped sealing ring (2) and a pressure ring assembly;
the sealing ring is characterized in that a sealing groove (12) is formed in the end face, corresponding to the main body piece (1), of the sealing piece (5), the O-shaped sealing ring (2) is contained in the sealing groove (12) and is extruded and fixed through a pressing ring assembly, and the pressing ring assembly is connected with the sealing piece (5).
2. Widget sealing structure of a vacuum oven according to claim 1, characterized in that the sealing groove (12) is a circular groove and is a gradually converging structure from the bottom towards the port.
3. Widget sealing structure of a vacuum oven according to claim 2, characterized in that the inner wall of the sealing groove (12) is of a conical configuration.
4. Widget sealing structure of a vacuum furnace according to claim 2, characterized in that the pressure ring assembly comprises a pressure ring (3) and screws (4), wherein the pressure ring (3) is located inside the O-ring (2) and is connected with the seal (5) by means of screws (4).
5. The small part sealing structure of the vacuum furnace according to claim 4, characterized in that the outer circumferential surface of the pressing ring (3) is a conical surface structure by which the O-ring (2) is fixed.
6. Widget sealing structure of a vacuum furnace according to claim 5, characterized in that the conicity of the outer circumferential surface of the press ring (3) is equal and opposite to the conicity of the inner wall of the sealing groove (12).
7. Small component sealing structure of vacuum furnace according to any of claims 4-6, characterized in that the bottom of the sealing groove (12) is provided with a limiting groove (10), and the inner end of the press ring (3) is provided with a limiting boss (8) which is matched with the limiting groove (10).
8. Small component sealing structure of a vacuum furnace according to claim 7, characterized in that the bottom of the limiting groove (10) is provided with a blind threaded hole (11), the blind threaded hole (11) being used for connection with the screw (4).
9. The small part sealing structure of the vacuum furnace according to claim 8, characterized in that the press ring (3) is provided with a central screw hole (6), the screw hole (6) being a stepped structure; the screw (4) is a slotted pan head screw, and penetrates through a central screw hole (6) of the pressing ring (3) to be connected with the threaded blind hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227050.7U CN213747810U (en) | 2020-10-09 | 2020-10-09 | Small part sealing structure of vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227050.7U CN213747810U (en) | 2020-10-09 | 2020-10-09 | Small part sealing structure of vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213747810U true CN213747810U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022227050.7U Active CN213747810U (en) | 2020-10-09 | 2020-10-09 | Small part sealing structure of vacuum furnace |
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| Country | Link |
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| CN (1) | CN213747810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000401A (en) * | 2023-02-24 | 2023-04-25 | 芯朋半导体科技(如东)有限公司 | Soldering vacuum furnace |
-
2020
- 2020-10-09 CN CN202022227050.7U patent/CN213747810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000401A (en) * | 2023-02-24 | 2023-04-25 | 芯朋半导体科技(如东)有限公司 | Soldering vacuum furnace |
| CN116000401B (en) * | 2023-02-24 | 2023-09-12 | 芯朋半导体科技(如东)有限公司 | Soldering vacuum furnace |
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