CN211288388U

CN211288388U - Sealing assembly, sealing device and sealing shell

Info

Publication number: CN211288388U
Application number: CN201921613685.1U
Authority: CN
Inventors: 康志明
Original assignee: Beijing Lingkong Tianxing Technology Co Ltd
Current assignee: Beijing Lingkong Tianxing Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-18
Anticipated expiration: 2029-09-25

Abstract

The application discloses a sealing assembly, a sealing device and a sealing shell, wherein the sealing assembly comprises a fastener (1) which is used for connecting an operation opening cover (3) with the shell (4); the limiting piece (2) is arranged on the shell (4) and used for fixing the buckle piece (1); the fastener (1) is set to be connected with the limiting piece (2) arranged on the shell (4) by penetrating through the operation opening cover (3); the buckle piece (1) comprises a pin (101), and the limiting piece (2) is provided with a fixing groove (201) corresponding to the pin (101). This application has been solved because the screw connection scheme is too loaded down with trivial details to the characteristic of operation flap dismouting many times, and the connection mode that causes can not be fine matches the operation flap and need repeatedly open and shut the working property's of dismouting needs, can not embody the technical problem of operation flap convenient, swift design characteristic simultaneously.

Description

Sealing assembly, sealing device and sealing shell

Technical Field

The application relates to the field of aerospace vehicles, in particular to a sealing assembly, a sealing device and a sealing shell for an aerospace vehicle.

Background

At present, operation covering covers of aerospace craft are mostly connected through screws, the operation covering covers need to be opened and closed repeatedly in the actual operation process on site, and the corresponding screws for closing the operation covering covers need to be repeatedly disassembled and installed one by one. A screw thread damage is great after the dismouting many times for operating the inclosed screw of flap, and the phenomenon of screw thread dropout appears very easily in the later stage, causes the operation flap to obtain good fastening effect.

From the perspective of processing realization, the screw hole that these connections of machine tooling is also more consuming time, still need protect the screw hole if want to do surface treatment to the casing in the later stage, and these produced man-hours all increase the manufacturing cycle of casing indirectly.

From the perspective of equipment, the operating flap's of screw connection scheme can prolong assembly personnel's operating time, and the process of assembly screw is also more loaded down with trivial details, at first needs clean screw thread department, still needs to carry out the daub processing to it in order to realize locking, still needs loading moment at last. Such process is too loaded down with trivial details to the characteristic of operation flap dismouting many times, and the matching operation flap that can not be fine need be opened and shut the working property's of dismouting needs repeatedly the needs, can not embody the convenient, swift design characteristic of operation flap simultaneously.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a seal assembly, obturator and sealed casing to solve because the screw connection scheme is too loaded down with trivial details to the characteristic of operation flap dismouting many times, the connection mode that causes need repeatedly open and shut the working property's of dismouting needs of operation flap fine matching operation flap, can not embody the technical problem of operation flap convenient, swift design characteristic simultaneously.

To achieve the above object, according to one aspect of the present application, there is provided a hermetic assembly.

The containment assembly according to the present application comprises:

the fastener is used for connecting the operation opening cover and the shell;

the limiting piece is arranged on the shell and used for fixing the buckle piece;

the fastener is set to be connected with the limiting piece arranged on the shell through penetrating the operation opening cover; the fastener comprises a pin, and the limiting part is provided with a fixing groove corresponding to the pin.

Further, the fastener includes a spring disposed between the knob and the pin.

Furthermore, the fastener comprises a knob, and the knob is detachably connected with the pin.

Further, the fastener is connected with the operation opening cover through a screw.

Furthermore, one end of the limiting part is clamped and fixed in a notch on the outer surface of the shell, and the other end of the limiting part is fixed on the inner surface of the shell through a nut.

Further, the limiting part comprises a positioning pin, and the positioning pin is arranged on one side of the limiting part, which is in contact with the outer surface of the shell.

In order to achieve the above object, according to another aspect of the present application, there is provided a sealing device.

The closure device according to the present application comprises any one of the closure assemblies described above.

Furthermore, the closing device comprises two groups of closing components, and the closing components are symmetrically arranged at two ends of the operation opening cover along the axial direction.

Further, the sealing gasket is arranged at the joint of the operation opening cover and the shell.

In order to achieve the above object, according to another aspect of the present application, there is provided a hermetic case including the hermetic device of any one of the above.

In the embodiment of the application, adopt the mode that changes connection structure, through setting for the airtight subassembly of convenient to detach and installation, reduced assembly process has been reached, reduce the purpose of assemble duration, thereby it is convenient to have realized the dismouting, labour saving and time saving's technological effect, and then solved because the screw connection scheme is too loaded down with trivial details to the characteristic of operation flap dismouting many times, the working property's that the dismouting needs to open and shut repeatedly are operated to the not fine matching operation flap of connected mode that causes needs, can not embody operation flap convenience simultaneously, swift design characteristic's technical problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic diagram of the overall construction of a containment assembly according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a latch of the closure assembly according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a position limiter of the sealing assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic cross-sectional view of a containment assembly according to an embodiment of the present application.

Reference numerals

1: a fastener; 101: a pin; 102: a knob; 103: a spring; 2: a limiting member; 201: fixing grooves; 202: positioning pins; 3: operating the flap; 4: a housing; 401: a notch; 5: a screw; 6: and a nut.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, the present application relates to a sealing assembly, which includes a fastener 1 and a limiting member 2, where the fastener 1 penetrates through an operation port cover 3 and is connected to the limiting member disposed on a housing 4, and the operation port cover 3 and the housing 4 are fixed by a joint action.

In a preferred embodiment of the present application, as shown in fig. 2, the fastening member 1 includes a pin 101, the limiting member 2 is provided with a fixing groove 201 corresponding to the pin 101, and the fixing groove 201 fastens the pin 101, so as to realize a connection relationship between the fastening member 1 and the limiting member 2, thereby achieving an effect of fixing a positional relationship between the operation cover 3 and the housing 4. Further preferably, the fastener 1 is connected with the operating opening cover 3 through screws 5, preferably, the number of the screws 5 is 3, and the screws 5 are uniformly distributed on the periphery of the fastener 1.

One end of the limiting part 2 is clamped and fixed in a notch 401 on the outer surface of the shell 4, the other end of the limiting part is fixed on the inner surface of the shell 4 through a nut 6, and the size of the notch 401 is matched with the peripheral size of the limiting part 2. In a preferred embodiment of the present application, as shown in fig. 3, the limiting member 2 includes a positioning pin 202, the positioning pin 202 is disposed on a side of the limiting member 2 contacting an outer side surface of the housing 4, and a structural hole for fixing the positioning pin 202 is disposed near the notch of the housing 4 corresponding to the positioning pin 202; the positioning pin 202 is arranged to make the relative position relationship between the limiting member 2 and the housing 4 more definite, which is convenient for installation.

In a preferred embodiment of the present application, as shown in fig. 1 to 4, the pin 101 is integrally designed in a T shape, the fixing groove 201 is arranged corresponding to the structural form of the pin 101, and when the position is fixed, both ends of the T shape of the pin 101 are clamped in the fixing groove 201.

In a preferred embodiment of the present application, as shown in fig. 4, the fastener 1 further includes a knob 102, the knob 102 is connected to the pin 101, and the knob 102 drives the pin 101 to move in the fixing groove 201 to assist the fixing groove 201 to clamp and fix the pin 101; preferably, the knob 102 is detachably connected to the pin 101, and after the position of the pin 101 in the fixing groove 201 is clamped, the knob 102 can be detached from the pin 101 for separate storage. In a further preferred embodiment, a spring 103 is arranged between the pin 101 and the knob 102, during operation, when the knob 102 is pressed, the pin 101 moves downward under the driving of the knob 102, the spring 103 is in a contracted state after being extruded, the knob 102 is rotated to drive the pin 101 to rotate in the fixing groove 201 for position clamping, after the clamping is completed, the spring 103 is still in a compressed state, at this time, the spring 103 provides an upward force to the pin 101, the pin 101 transmits the upward force to the limiting member 2, so that the connecting relationship between the limiting member 2 and the buckle member 1 is tighter, and the operating cover 3 and the housing 4 are connected tighter under the combined action.

The closing device comprises two sets of closing components, the closing components are symmetrically arranged at two ends of the operation opening cover along the axial direction, the stress of the operation opening cover in the connection process can be balanced through the arrangement, and the connection effect between the operation opening cover and the shell is ensured while the connection point is reduced. In other embodiments, the containment device includes multiple sets of containment assemblies.

Further, the sealing gasket is arranged at the joint of the operation opening cover and the shell; the sealing gasket is preferably made of silica gel.

The application is applied to the field of aerospace craft, and as the aerospace craft has higher requirements on the size matching precision of parts, the scheme of screw installation has a lot of inconvenience in operation and maintenance. The airtight subassembly simple structure that this application adopted, convenient operation does not relate to at the dismouting in-process with the direct contact of operation flap and casing, has avoided the loss to operation flap and casing junction structure at the dismouting in-process, simultaneously, follows the airtight subassembly of multiunit is set for to operation flap axial symmetry direction, can balance the atress of operation flap in the connection process, guarantees the connection effect between operation flap and the casing when reducing the tie point.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A closure assembly, comprising,

the fastener (1) is connected with the operation opening cover (3) and the shell (4);

the limiting piece (2) is arranged on the shell (4) and used for fixing the buckle piece (1);

the fastener (1) is set to be connected with the limiting piece (2) arranged on the shell (4) by penetrating through the operation opening cover (3); the buckle piece (1) comprises a pin (101), and the limiting piece (2) is provided with a fixing groove (201) corresponding to the pin (101).

2. The closing assembly according to claim 1, wherein said clasp (1) comprises a knob (102), said knob (102) being removably connected to said pin (101).

3. The closing assembly according to claim 2, wherein said clasp (1) comprises a spring (103), said spring (103) being arranged between said knob (102) and said pin (101).

4. The closing assembly according to any one of claims 1 to 3, wherein the catch (1) is connected to the operating flap (3) by means of a screw (5).

5. The closing assembly according to claim 1, wherein the stop element (2) is clamped at one end in a slot (401) in the outer surface of the casing (4) and at the other end is fixed on the inner surface of the casing (4) by means of a nut (6).

6. The closing assembly according to claim 5, wherein the stop (2) comprises a positioning pin (202), the positioning pin (202) being arranged on the side of the stop (2) in contact with the outer surface of the housing (4).

7. A closure assembly comprising a closure assembly as claimed in any one of claims 1 to 6.

8. The closure device of claim 7, comprising two sets of closure assemblies, said closure assemblies being axially symmetrically disposed at opposite ends of said access flap.

9. The closure of claim 8, including a gasket disposed at a junction of said operator flap and said housing.

10. A sealed housing comprising a closure as claimed in any one of claims 7 to 9.