CN114183635A - Novel sphere cooperation locking mechanism - Google Patents
Novel sphere cooperation locking mechanism Download PDFInfo
- Publication number
- CN114183635A CN114183635A CN202111316317.2A CN202111316317A CN114183635A CN 114183635 A CN114183635 A CN 114183635A CN 202111316317 A CN202111316317 A CN 202111316317A CN 114183635 A CN114183635 A CN 114183635A
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- recorder
- knock pin
- sphere
- spherical
- ejector pin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The invention provides a novel spherical-surface-matching anti-loosening locking mechanism which comprises a recorder and an installation frame, wherein the recorder is fixed in the installation frame through matching between a front-end locking piece and a spherical-surface locking piece; the sphere retaining member includes the knock pin, the front end of knock pin is the sphere, set up on the recorder with the sphere knock pin hole of knock pin front end sphere looks adaptation, the rear end of knock pin is connected on the mounting bracket, makes the sphere tip of knock pin with knock pin hole sphere offsets the cooperation, will the recorder is fixed. The spherical surface matching anti-loose locking mechanism is simple in form, can realize the locking and separating functions of the recorder and the mounting rack, and is stable and reliable in function, simple and convenient to maintain and easy to implement.
Description
Technical Field
The utility model relates to an aeromechanical equipment technical field especially relates to a novel sphere cooperation locking mechanism.
Background
The aviation recorder is an important component of a flight parameter system, and is mainly used for recording flight data of an aircraft and supporting judgment on the flight of the aircraft. The anti-loose locking mechanism is an effective mechanism for installing and matching the recorder, and is used for realizing the fastening of the recorder and the mounting rack in a normal state and the unhindered separation of the recorder and the mounting rack in a separation process. In the prior art, the locking mechanism has the following problems: (1) the fastening performance between the recorder and the mounting rack is poor, so that the recorder is easy to loosen after long-time use, and the use of the recorder is influenced; (2) the resistance of the recorder and the mounting frame in the separation process is large, so that the recorder is greatly abraded in the separation process, and the service life of the recorder is influenced.
Disclosure of Invention
In view of this, the embodiment of the present disclosure provides a novel spherical surface-matching anti-loose locking mechanism to solve the technical problems of poor assembly fastening performance and separation obstruction of the existing aviation recorder, and the spherical surface-matching anti-loose locking mechanism is simple in form, improves the stability of realizing matching and special functions of the recorder, and ensures reliable realization of the overall function of the recorder in operation.
In order to achieve the above purpose, the invention provides the following technical scheme:
a novel spherical matching anti-loose locking mechanism comprises a recorder and an installation frame, wherein the recorder is fixed in the installation frame through matching between a front locking piece and a spherical locking piece; the sphere retaining member includes the knock pin, the front end of knock pin is the sphere, set up on the recorder with the sphere knock pin hole of knock pin front end sphere looks adaptation, the rear end of knock pin is connected on the mounting bracket, makes the sphere tip of knock pin with knock pin hole sphere offsets the cooperation, will the recorder is fixed.
Further, the spherical locking part further comprises a fixing plate, the fixing plate is fixedly arranged on the mounting frame and close to the inner side wall of the recorder, a threaded hole is formed in the fixing plate, and the ejector pin is matched with the fixing plate through threads so as to be fastened and fixed in the ejector pin hole.
Further, the sphere retaining member still includes sheath and flush end holding screw, the rear end periphery of knock pin sets up the annular knurl, set up the through-hole on the sheath, be used for with the sheath cover is established the rear end of knock pin, and fix on the mounting bracket, follow the lateral wall on the sheath to fastening screw hole is seted up to the through-hole direction, is used for working as the front end of knock pin with after the cooperation of knock pin hole on the record ware, flush end holding screw passes through fastening screw hole with the contact of annular knurl department of knock pin will the locking of knock pin.
Further, the sheath fixing device further comprises a tail end screw, lugs are arranged at two ends of the sheath, screw holes are formed in the lugs, and the tail end screw is matched with the screw holes so as to fix the sheath on the mounting frame.
Furthermore, the number of the flat-end fastening screws is at least two, and at least two fastening threaded holes are correspondingly formed in the sheath.
Furthermore, an inner hexagonal groove is formed in the end face of the rear end of the ejector pin.
Further, the outer diameter size of the spherical front end of the ejector pin is larger than that of the knurled rear end.
Further, the front end locking piece is a front end screw, and the recorder is fixed with the mounting frame through the front end screw.
The novel spherical-surface-matching anti-loosening locking mechanism is simple in form, the recorder and the mounting frame are fastened after being assembled, and the recorder and the mounting frame can be separated by taking the ejector pin as a fulcrum under special conditions, so that the matching between the recorder and the mounting frame and the stability in a special separation process are improved, and the functions are stable and reliable. The concrete beneficial effects are as follows:
1) realizes the assembly fastening and the unhindered separation of the recorder
The recorder and the mounting rack are mutually fixed through the matching between the front end screw and the ejector pin. The knock pin and the knock pin hole are designed in a spherical matching mode, so that the recorder and the mounting frame are mutually matched and fastened under a normal state, and the recorder and the mounting frame are separated under a state that the knock pin hole serves as a fulcrum and the front end of the recorder is tilted to a certain angle in the process, and the knock pin hole and the knock pin are matched to avoid influencing the recorder separation process.
The spherical surface matching design between the ejector pin and the ejector pin hole is an effective measure for ensuring the fastening and the separation of the recorder and the mounting frame.
2) Optimized stress design of ejector pin
The knock pin passes through screw-thread fit with the fixed plate, and knock pin one end is the sphere, and hexagonal recess and peripheral annular knurl in the other end design guarantee that knock pin fastening process instrument convenient operation and knock pin cooperation back carry out locking with the fixed plate. The outer diameter size of the spherical end of the ejector pin is larger than that of the knurled part, the ejector pin is fastened from the inner side of the mounting frame through the design, pressure generated in ejector pin matching is dispersed on the ejector pin mounting surface on the mounting frame, and stress concentration at the ejector pin is avoided.
3) Anti-loose locking design of ejector pin
The guard sleeve is provided with a threaded hole for installing the flat-end holding screw, and after the ejector pin on the installation frame is matched with the ejector pin hole on the recorder, the flat-end holding screw contacts with the knurling of the ejector pin through the threaded hole on the guard sleeve, so that the aim of preventing the ejector pin from rotating and locking the guard pin is fulfilled.
4) The mechanism is convenient and reliable to operate and use
The parts related to the invention are all structural parts, the design, the processing and the assembly are simple and reliable, and the stability of the product for realizing the function is ensured on the basis of meeting the design requirement and realizing the integral function.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a recorder and a mounting rack according to an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting frame according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a mounting bracket lift pin according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a recorder separated from a mounting rack in an embodiment of the invention.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
As shown in fig. 1 to 4, the embodiment of the present disclosure provides a novel spherical-surface-matching anti-loose locking mechanism, which includes a recorder 1 and a mounting bracket 2, wherein the recorder 1 is fixed in the mounting bracket 2 through matching between a front-end screw 8 and a spherical locking piece; the sphere retaining member includes knock pin 3, the front end of knock pin 3 is the sphere, set up on the record ware 1 with the sphere knock pin hole 4 of 3 front end sphere looks adaptations of knock pin, the rear end of knock pin 3 is connected on the mounting bracket 2, make the sphere tip of knock pin 3 with 4 sphere counterbalance cooperations in knock pin hole will record ware 1 is fixed.
The spherical locking part further comprises a fixing plate 5, the fixing plate 5 is fixedly arranged on the mounting rack 2 and close to the inner side wall of the recorder 1, a threaded hole is formed in the fixing plate 5, and the ejector pin 3 is matched with the fixing plate 5 through threads so as to screw down and fix the ejector pin 3 in the ejector pin hole 4.
Spherical retaining member still includes sheath 6 and flat holding screw 7, the rear end periphery of knock pin 3 sets up the annular knurl, set up the through-hole on the sheath 6, be used for with 6 covers of sheath are established the rear end of knock pin 3, and fix on the mounting bracket 2, from the lateral wall on the sheath 6 to fastening screw hole is seted up to the through-hole direction, is used for working as the front end of knock pin 3 with 4 cooperations back in the knock pin hole on the record ware 1, flat holding screw 7 passes through fastening screw hole with the contact of annular knurl department of knock pin 3 will the locking of knock pin 3. The sheath fixing device is characterized by further comprising a tail end screw 9, lugs are arranged at two ends of the sheath 6, screw holes are formed in the lugs, and the tail end screw 9 is matched with the screw holes so as to fix the sheath 6 on the mounting frame 2.
As shown in fig. 1 to 4, in the present embodiment, the locking mechanism is mainly composed of a recorder 1, a mounting bracket 2, a knock pin 3, a knock pin hole 4, a fixing plate 5, a sheath 6, a flat set screw 7, a front screw 8, a rear screw 9, and the like. The recorder 1 and the mounting rack 2 are mutually fixed through the matching between the front end screw 8 and the ejector pin 3. Between knock pin 3 and the knock pin hole 4 is the sphere cooperation, guarantees fastening under 1 and the 2 normal condition of mounting bracket of recorder, uses knock pin hole 4 to stick up to certain angle in-process as fulcrum and front end under 1 and the 2 detached condition of mounting bracket of recorder, and the sphere cooperation between knock pin hole 4 and knock pin 3 can not exert an influence to 1 separation process of recorder, realizes the separation of unimpeded. Knock pin 3 passes through screw-thread fit with fixed plate 5, and 3 one end of knock pin is the sphere, and hexagonal recess and peripheral annular knurl in the other end design, interior hexagonal recess are in order to guarantee 3 fastening process tools of knock pin convenient operation, and peripheral annular knurl is that knock pin 3 carries out locking with fixed plate 5 after the cooperation that is used for sheath 6 and flat end holding screw 7. The external diameter size of 3 spherical ends of knock pin is greater than the external diameter size of annular knurl department, and this design guarantees that knock pin 3 is inboard from mounting bracket 2 and fastens, makes the pressure dispersion that produces in the 3 cooperations of knock pin on mounting bracket 2 knock pin 3 installs the face, avoids 3 stress concentration of knock pin department. The design has the screw hole that is used for installing flush end holding screw 7 on sheath 6, and after knock pin 3 on the mounting bracket 2 and knock pin hole 4 on the recorder 1 cooperate, flush end holding screw 7 contacts with 3 knurls departments of knock pin through screw hole on sheath 6, reaches and prevents that knock pin 3 from rotating the purpose of locking promptly. The main parts involved in the invention are all structural parts, and the assembly and realization functions are stable and reliable, and the invention is simple and convenient to maintain and easy to implement.
Wherein, recorder 1 passes through front end screw 8, knock pin 3 and knock pin hole 4 cooperation with mounting bracket 2. The knock pin hole 4 in the recorder 1 all designs for the sphere with knock pin 3 cooperation region in the mounting bracket 2, guarantees that recorder 1 and mounting bracket 2 cooperation are reliable and stable, uses knock pin hole 4 to stick up certain angle in-process as fulcrum and front end under recorder 1 and the 2 detached state of mounting bracket, and knock pin hole 4 can not exert an influence to 1 separation process of recorder with 3 cooperation of knock pin, realizes that recorder 1 does not have the hindrance separation.
The matching process between the ejector pin 3 and the ejector pin hole 4 is as follows:
1) screwing the ejector pin 3 into the fixing plate 5 from the inner side of the mounting frame 2 through the threaded hole;
2) the sheath 6 is fastened on the mounting frame 2 through a tail end screw 9;
3) the recorder 1 is placed in the mounting frame 2, and the front end screw 8 is fastened;
4) pre-tightening the ejector pin 3 from one end of the knurl by using a tool to ensure that the ejector pin 3 and the ejector pin hole 4 are fastened in a spherical manner, and uniformly pre-tightening two parts in the fastening process;
5) fixing a flat-end set screw 7 in a sheath 6, ensuring that the flat-end set screw 7 is contacted with a knurled area on the ejector pin 3, and realizing spherical matching and fastening between the ejector pin 3 and the ejector pin hole 4 and locking of the ejector pin 3;
6) when the front end of the recorder 1 is lifted and separated from the mounting frame 2, the spherical end of the ejector pin 3 is used as a fulcrum, and separation at the fulcrum is realized.
In the structural configuration research of the novel spherical-surface-matching anti-loosening locking mechanism, the key structural designs such as the realization of the fastening matching between the recorder and the mounting frame, the realization of the function of separating the recorder from the mounting frame, the spherical-surface matching mechanism between the ejector pin on the mounting frame and the ejector pin hole in the recorder, the realization of the anti-loosening locking of the ejector pin in the mounting frame and the like are analyzed in detail, the specific requirements of the functions such as the fastening and the separation of a certain type of recorder are met, and the design of the spherical-surface-matching anti-loosening locking mechanism is significant.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (8)
1. The novel spherical-surface-matching anti-loose locking mechanism is characterized by comprising a recorder and an installation frame, wherein the recorder is fixed in the installation frame through the matching between a front-end locking piece and a spherical-surface locking piece; the sphere retaining member includes the knock pin, the front end of knock pin is the sphere, set up on the recorder with the sphere knock pin hole of knock pin front end sphere looks adaptation, the rear end of knock pin is connected on the mounting bracket, makes the sphere tip of knock pin with knock pin hole sphere offsets the cooperation, will the recorder is fixed.
2. The novel spherical-fit anti-loose locking mechanism as claimed in claim 1, wherein the spherical locking member further comprises a fixing plate, the fixing plate is fixedly arranged on the mounting frame and close to the inner side wall of the recorder, a threaded hole is formed in the fixing plate, and the ejector pin is in threaded fit with the fixing plate so as to pre-fasten the ejector pin in the ejector pin hole.
3. The novel spherical-surface-matching anti-loose locking mechanism according to claim 1 or 2, wherein the spherical locking part further comprises a sheath and a flat-end set screw, a knurl is arranged on the periphery of the rear end of the ejector pin, a through hole is formed in the sheath and used for sleeving the sheath on the rear end of the ejector pin and fixing the sheath on the mounting frame, a fastening threaded hole is formed in the sheath from the side wall in the direction of the through hole, and the flat-end set screw is used for contacting with the knurl of the ejector pin through the fastening threaded hole after the front end of the ejector pin is matched with the ejector pin hole in the recorder, so that the ejector pin is locked in an anti-loose manner.
4. The novel spherical-fit anti-loose locking mechanism as claimed in claim 3, further comprising a tail screw, wherein two ends of the sheath are provided with lugs, the lugs are provided with screw holes, and the tail screw is matched with the screw holes to fix the sheath on the mounting frame.
5. The novel spherical-fit anti-loose locking mechanism as claimed in claim 4, wherein the number of the flat-end set screws is at least two, and at least two of the fastening threaded holes are correspondingly formed in the sheath.
6. The novel spherical-fit anti-loose locking mechanism as claimed in claim 5, wherein the end surface of the rear end of the ejector pin is provided with an internal hexagonal groove.
7. The novel sphere fit anti-loose locking mechanism of claim 6, wherein the outside diameter of the spherical front end of the knock pin is larger than the outside diameter of the knurled rear end.
8. The novel spherical mating anti-loose locking mechanism as claimed in claim 1 or 7, wherein the front locking piece is a front screw through which the recorder is fixed with a mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316317.2A CN114183635B (en) | 2021-11-08 | 2021-11-08 | Novel sphere cooperation locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316317.2A CN114183635B (en) | 2021-11-08 | 2021-11-08 | Novel sphere cooperation locking mechanism |
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| Publication Number | Publication Date |
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| CN114183635A true CN114183635A (en) | 2022-03-15 |
| CN114183635B CN114183635B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111316317.2A Active CN114183635B (en) | 2021-11-08 | 2021-11-08 | Novel sphere cooperation locking mechanism |
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| CN202189524U (en) * | 2011-08-03 | 2012-04-11 | 厦门群力金属制品有限公司 | Opening structure of lamp box face frame |
| US20140263839A1 (en) * | 2013-03-14 | 2014-09-18 | Drs C3 & Aviation Company | Flight recorder deployment mechanism |
| US20140277923A1 (en) * | 2013-03-14 | 2014-09-18 | Drs C3 & Aviation Company | Deployable flight recorder |
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| CN114183635B (en) | 2024-07-02 |
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