CN218179651U - Maintenance door for vacuum furnace - Google Patents
Maintenance door for vacuum furnace Download PDFInfo
- Publication number
- CN218179651U CN218179651U CN202222348440.9U CN202222348440U CN218179651U CN 218179651 U CN218179651 U CN 218179651U CN 202222348440 U CN202222348440 U CN 202222348440U CN 218179651 U CN218179651 U CN 218179651U
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- locking
- vacuum furnace
- door body
- pressure relief
- door
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Abstract
The utility model provides a maintenance door for vacuum furnace relates to the vacuum furnace field of making. The maintenance door for a vacuum furnace includes: the door body is matched with the pressure relief opening; and a locking mechanism comprising a first locking part and a second locking part which are detachably connected with each other; two ends of the locking mechanism in the extension direction are respectively connected with the door body and the pressure relief opening, so that the first locking part is positioned on the side part of the door body, and the second locking part is positioned on the side part of the pressure relief opening; the second locking portion is deformable under the condition of receiving an external force.
Description
Technical Field
The application relates to the field of vacuum furnace manufacturing, in particular to a maintenance door for a vacuum furnace.
Background
The vacuum furnace is an industrial furnace which utilizes a vacuum system to discharge substances in a furnace chamber, and in the manufacturing process of the vacuum furnace, a safety valve or a safety door and other components are required to be arranged on a furnace body of the vacuum furnace to prevent overpressure in the working process of the furnace body; in addition, in order to facilitate maintenance of the maintenance furnace, a maintenance door needs to be provided on the furnace body. However, due to the limitation of the structure of the vacuum furnace, the space of the furnace body for arranging the safety door and the maintenance door is limited, so that the maintenance door and the safety door cannot be arranged or are unreasonably arranged, and the pressure relief and the maintenance of the vacuum furnace are influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application aims to provide a maintenance door for a vacuum furnace, so as to solve the problem that the existing maintenance door and safety door of the vacuum furnace are inconvenient to set.
The utility model provides a maintenance door for vacuum furnace set up in vacuum furnace's pressure release mouth, wherein, a maintenance door for vacuum furnace includes:
the door body is matched with the pressure relief opening; and
a locking mechanism including a first locking portion and a second locking portion detachably connected to each other; two ends of the locking mechanism in the extension direction are respectively connected with the door body and the pressure relief opening, so that the first locking part is positioned on the side part of the door body, and the second locking part is positioned on the side part of the pressure relief opening; the second locking portion is deformable under the condition of receiving an external force.
Preferably, when two ends of the locking mechanism are connected with the door body and the pressure relief opening, the first locking portion and the second locking portion extend along the horizontal direction, and the first locking portion and the second locking portion are in a horizontal tensioning state.
Preferably, the first locking portion comprises a limiting portion formed in a rectangular parallelepiped shape, and the limiting portion is fixed on a side portion of the door body; the length direction of the limiting part is consistent with the extending direction of the first locking part.
Preferably, the first locking portion further comprises a fixing portion, and a first sub-fixing portion connected with the door body and a second sub-fixing portion connected with the limiting portion are formed on the fixing portion.
Preferably, an accommodating cavity for placing the limiting part is formed at the bottom of the second sub-fixing part, and the accommodating cavity is an open structure which is opened towards the bottom side of the door body; the opening of the accommodating cavity is matched with the limiting part, the height of the accommodating cavity is the same as that of the limiting part, and the length of the accommodating cavity is larger than that of the limiting part.
Preferably, the second locking portion comprises a plurality of annular locking chains which are sequentially connected, the locking chain close to the first locking portion is connected with the accommodating cavity, and the locking chain far away from the first locking portion is connected with the side wall of the pressure relief opening.
Preferably, the number of the locking mechanisms is multiple, and the multiple locking mechanisms are arranged along the height direction of the door body.
Preferably, the maintenance door for the vacuum furnace further comprises a safety lock assembly, and the safety lock assembly is located in the middle section of the door body in the height direction.
Preferably, the safety lock assembly comprises a first connecting part and a second connecting part which are respectively connected with the door body and the side wall of the pressure relief opening, and the first connecting part forms a sliding groove; the safety lock assembly further comprises a chain, two ends of the chain are connected with the first connecting portion and the second connecting portion respectively, and sliding blocks matched with the sliding grooves are formed at the end portions, connected with the first connecting portion, of the chain.
Preferably, a sealing piece is arranged on the side part, facing the pressure relief opening, of the door body.
According to the maintenance door for the vacuum furnace, the door body of the maintenance door is arranged at the position of the pressure relief opening, and the sealing between the door body and the pressure relief opening can be ensured through the locking mechanism; in addition, the second locking portion can be deformed under the condition of receiving external force, namely the second locking portion can be deformed when receiving overhigh pressure in the pressure relief opening, and meanwhile, the door body is ejected out by the pressure in the pressure relief opening, so that a gap can be formed between the door body and the pressure relief opening to realize pressure relief. And when the vacuum furnace needs to be maintained, the first locking part and the second locking part are disassembled.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic view of a service door for a vacuum furnace according to an embodiment of the present invention.
An icon: 1-a door body; 2-a pressure relief port; 30-a first locking portion; 301-a limiting part; 302-a first sub-fixation section; 303-a second sub-fixation; 304-a containment chamber; 31-a second locking part; 310-a locking chain; 40-a first connection; 401-mounting grooves; 402-a limiting groove; 41-chain; 410-a slider; 411-a circular ring; 42-second connection.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.
Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly on" or "directly over" another element, there may be no intervening elements present.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.
For ease of description, spatial relationship terms such as "above … …", "upper", "below … …" and "lower" may be used herein to describe the relationship of one element to another element as shown in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "above … …" includes both orientations "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.
The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.
As shown in fig. 1, the maintenance door for a vacuum furnace of the present embodiment includes a door body 1 and a locking mechanism, the door body 1 is disposed at a pressure relief opening 2 of the vacuum furnace, and the door body 1 and the pressure relief opening 2 are connected by the locking mechanism. Hereinafter, a detailed structure of each of the above-described components of the maintenance door for a vacuum furnace according to the present invention will be described in detail.
In this embodiment, as shown in fig. 1, the door body 1 can seal the pressure relief opening 2, so as to ensure that the interior of the vacuum furnace can be in a vacuum state when the vacuum furnace is in normal operation; meanwhile, due to the smoothness and the attractiveness of the integral structure of the vacuum furnace, and in order to facilitate the arrangement of a locking mechanism, the size, the shape and other characteristics of the door body 1 are matched with the pressure relief port 2. In addition, a sealing member such as a sealing rubber strip is further disposed on the side of the door body 1 facing the pressure relief port 2, so as to further ensure the sealing property and vacuum property inside the vacuum furnace during operation, thereby ensuring the safety and stability of the operation of the vacuum furnace.
In addition, the stable connection of the door body 1 and the pressure relief opening 2 of the vacuum furnace is realized by a locking mechanism. Specifically, in the present embodiment, as shown in fig. 1, the locking mechanism includes a first locking portion 30 and a second locking portion 31, which are detachably connected to each other, so as to facilitate subsequent maintenance operations. Specifically, two ends of the extending direction of the locking mechanism are respectively connected with the door body 1 and the pressure relief opening 2, so that the first locking portion 30 is located at the side portion of the door body 1, and the second locking portion 31 is located at the side portion of the pressure relief opening 2, that is, the joint of the two is located at the joint of the door body 1 and the pressure relief opening 2, thereby facilitating the pressure relief of the vacuum furnace.
It should be noted that, the position where the two are connected to the door body 1 or the pressure relief opening 2 is not particularly limited, for example, in this embodiment, the first locking portion 30 is connected to one end of the side portion of the door body 1 far away from the pressure relief opening 2, and the second locking portion 31 is connected to the oven body located on the side portion of the pressure relief opening 2, that is, as long as the technical effect of tightly connecting the door body 1 and the pressure relief opening 2 can be achieved. In addition, when the two ends of the locking mechanism are connected with the door body 1 and the pressure relief opening 2, the first locking portion 30 and the second locking portion 31 both extend along the horizontal direction, and the first locking portion 30 and the second locking portion 31 are both in the state of horizontal tensioning, so that the second locking portion 31 can be conveniently deformed, and the pressure relief of the door body 1 and the pressure relief opening 2 can be conveniently realized.
Specifically, the first locking portion 30 includes a stopper portion 301 fixed to a side portion of the door body 1, and the stopper portion 301 is formed in a rectangular parallelepiped shape, and a length direction thereof is aligned with an extending direction of the locking mechanism. The first locking portion 30 further includes a fixing portion formed by a first sub-fixing portion 302 connected to the door body 1 and a second sub-fixing portion 303 connected to the stopper portion 301. In the present embodiment, the first sub-fixing portion 302 is located at one end of the side portion of the door body 1 away from the pressure relief port 2, is formed in a cylindrical shape, and has a connecting rod protruding from the center of the outer side wall thereof for fixing a second sub-fixing portion 303, which will be described below, so that the first sub-fixing portion 302 can increase the stability of the first locking portion 30 to prevent the first locking portion 30 from being broken due to, for example, an excessive pressure inside the furnace body.
In addition, the second sub-fixing portion 303 is formed in a C-like shape, specifically, as shown in fig. 1, an accommodating cavity 304 for accommodating the limiting portion 301 is formed at the bottom of the second sub-fixing portion 303, and the accommodating cavity 304 is formed in an open structure which is opened toward the bottom side of the door body 1, so that the connection between the second sub-fixing portion 303 and the limiting portion 301, that is, the second sub-fixing portion 303 is fastened to the outside of the limiting portion 301 through the opening, can be facilitated. In order to further improve the stability of the connection between the second sub-fixing portion 303 and the limiting portion 301, the size, shape, etc. of the opening of the accommodating cavity 304 should be adapted to the limiting portion 301, and meanwhile, the height of the accommodating cavity 304 should be the same as the height of the limiting portion 301, so that the limiting effect of the limiting portion 301 on the second sub-fixing portion 303 can be realized; however, the length of the accommodating cavity 304 should be greater than that of the limiting part 301, so that under the tensioning force of the locking mechanism, the limiting part 301 can be attached to the side wall of the accommodating cavity 304 close to the first sub-fixing part 302, and the remaining space of the accommodating cavity 304 can be used for connecting with the second locking part 31 described below.
It should be noted that the opening position of the receiving cavity 304 is not fixed, as long as the fastening of the second sub-fixing portion 303 can be facilitated.
In addition, in this embodiment, the second locking portion 31 includes a plurality of annular locking chains 310 connected in sequence, the locking chain 310 close to the first locking portion 30 is detachably connected to the accommodating cavity 304, and the locking chain 310 far from the first locking portion 30 is connected to the furnace body located at the side of the pressure relief opening 2. It should be noted that the second locking portion 31 is made of a material that is easily deformed by a force and can ensure the connection strength of the locking mechanism. So, when the inside pressure of the furnace body of vacuum furnace was too high, this second locking portion 31 received pressure to produce and warp or break off to locking mechanism's tensioning state is destroyed, has produced the gap in the junction of the door body 1 and pressure release mouth 2 promptly, and then can realize the pressure release of vacuum furnace, thereby has guaranteed the safe in utilization of vacuum furnace.
The diameter, number, and the like of the lock chains 310 are not particularly limited, and may be determined by combining actual conditions, such as the rated pressure of the vacuum furnace, the material of the lock chains 310, and the like, as long as the above-described technical effects can be achieved.
It should be further noted that the number of the locking mechanisms is plural, but the specific number is not fixed, for example, in the embodiment, two locking mechanisms are provided, and the two locking mechanisms are respectively located at the upper position and the lower position of the side portion of the door body 1, and when the number of the locking mechanisms is more than two, the plural locking mechanisms are uniformly arranged along the height direction of the door body 1.
In addition, in this embodiment, a safety lock assembly is further provided between the two locking mechanisms, so as to further ensure the stability of the connection between the door body 1 and the vacuum furnace, and avoid the occurrence of the situation that the door body 1 is popped out due to the overhigh pressure in the furnace to cause injury to workers. Specifically, as shown in fig. 1, the safety lock assembly is located in the middle section of the height direction of the door body 1, and includes a first connecting portion 40 and a second connecting portion 42 which are respectively connected to the door body 1 and the side wall of the pressure relief opening 2. The first connecting portion 40 is formed with a sliding slot, the sliding slot includes an installation groove 401 for placing or taking out a slider 410, the installation groove 401 is located at one end of the sliding slot close to the door body 1; in addition, the sliding chute further comprises a limiting groove 402 capable of limiting the sliding block 410, wherein the limiting function is to limit the movement of the sliding block 410 in the direction perpendicular to the plane where the side portion of the door body 1 is located, that is, the sliding block 410 can only move along the extending direction of the limiting groove 402. Further, an end of the second connecting portion 42 close to the first connecting portion 40 is formed in a ring-like structure to facilitate connection of the below-described chain 41.
The safety lock assembly further comprises a chain 41, the two ends of which are respectively provided with a slider 410 and a ring 411, so as to be respectively connected with the sliding groove and the annular structure. Thus, after the locking mechanism is broken, the door body 1 is opened to drive the slider 410 to move in the limiting groove 402, and then under the action of the limiting groove 402, the door body 1 can stop opening.
According to the maintenance door for the vacuum furnace, the door body 1 of the maintenance door is arranged at the position of the pressure relief opening 2, and the sealing between the door body 1 and the pressure relief opening 2 can be ensured through the locking mechanism; in addition, the second locking portion 31 can deform under the condition of receiving an external force, that is, it can deform when receiving an excessively high pressure in the pressure relief port 2, and simultaneously the pressure in the pressure relief port 2 ejects the door body 1, so that a gap can be generated between the door body 1 and the pressure relief port 2 to achieve pressure relief. When the vacuum furnace needs to be maintained, the first locking part 30 and the second locking part 31 can be disassembled.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used to illustrate the technical solutions of the present application, but not to limit the technical solutions, and the scope of the present application is not limited to the above-mentioned embodiments, although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application should be defined by the claims.
Claims (10)
1. The utility model provides a maintenance door for vacuum furnace, set up in vacuum furnace's pressure release mouth, its characterized in that, a maintenance door for vacuum furnace includes:
the door body is matched with the pressure relief opening; and
a locking mechanism including a first locking portion and a second locking portion detachably connected to each other; two ends of the locking mechanism in the extension direction are respectively connected with the door body and the pressure relief opening, so that the first locking part is positioned on the side part of the door body, and the second locking part is positioned on the side part of the pressure relief opening; the second locking portion is deformable under the condition of receiving an external force.
2. The maintenance door for the vacuum furnace according to claim 1, wherein when both ends of the locking mechanism are connected to the door body and the pressure relief port, the first locking portion and the second locking portion both extend in a horizontal direction, and both the first locking portion and the second locking portion are in a horizontally tensioned state.
3. The maintenance door for the vacuum furnace according to claim 1, wherein the first locking portion includes a stopper portion formed in a rectangular parallelepiped shape, the stopper portion being fixed to a side portion of the door body; the length direction of the limiting part is consistent with the extending direction of the first locking part.
4. The repair door for a vacuum furnace according to claim 3, wherein the first locking portion further comprises a fixing portion formed with a first sub-fixing portion connected to the door body and a second sub-fixing portion connected to the stopper portion.
5. The maintenance door for the vacuum furnace according to claim 4, wherein a receiving cavity for placing the limiting part is formed at the bottom of the second sub-fixing part, and the receiving cavity is formed into an open structure which is opened towards the bottom side of the door body; the opening of the accommodating cavity is matched with the limiting part, the height of the accommodating cavity is the same as that of the limiting part, and the length of the accommodating cavity is larger than that of the limiting part.
6. The maintenance door for the vacuum furnace as claimed in claim 5, wherein the second locking portion comprises a plurality of annular locking chains connected in sequence, the locking chain close to the first locking portion is connected with the accommodating cavity, and the locking chain far away from the first locking portion is connected with the side wall of the pressure relief opening.
7. The maintenance door for a vacuum furnace according to claim 1, wherein the number of the locking mechanisms is plural, and the plural locking mechanisms are arranged in a height direction of the door body.
8. The maintenance door for the vacuum furnace as claimed in claim 1, further comprising a safety lock assembly located at the middle section of the door body in the height direction.
9. The maintenance door for the vacuum furnace according to claim 8, wherein the safety lock assembly comprises a first connecting portion and a second connecting portion respectively connected with the door body and the side wall of the pressure relief port, and the first connecting portion forms a sliding groove; the safety lock assembly further comprises a chain, two ends of the chain are connected with the first connecting portion and the second connecting portion respectively, and sliding blocks matched with the sliding grooves are formed at the end portions, connected with the first connecting portion, of the chain.
10. The repair door for a vacuum furnace according to claim 1, wherein a side of the door body facing the pressure relief port is provided with a sealing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222348440.9U CN218179651U (en) | 2022-09-05 | 2022-09-05 | Maintenance door for vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222348440.9U CN218179651U (en) | 2022-09-05 | 2022-09-05 | Maintenance door for vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218179651U true CN218179651U (en) | 2022-12-30 |
Family
ID=84620738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222348440.9U Active CN218179651U (en) | 2022-09-05 | 2022-09-05 | Maintenance door for vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218179651U (en) |
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2022
- 2022-09-05 CN CN202222348440.9U patent/CN218179651U/en active Active
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