CN107274637B - Rotating matching device and alarm - Google Patents
Rotating matching device and alarm Download PDFInfo
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- CN107274637B CN107274637B CN201710572735.5A CN201710572735A CN107274637B CN 107274637 B CN107274637 B CN 107274637B CN 201710572735 A CN201710572735 A CN 201710572735A CN 107274637 B CN107274637 B CN 107274637B
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- boss
- rib
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- groove
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
Abstract
The invention provides a rotary matching device and an alarm, and relates to the technical field of safety alarm. The rotary matching device comprises a hanging plate and a main shell, wherein an arc-shaped first boss is arranged in the main shell, a first groove rib and a matching rib are arranged on the hanging plate, and the first groove rib and the matching rib are concentrically arranged and are matched with the first boss; this siren includes electrically conductive device and above-mentioned rotatory cooperation device, and electrically conductive device includes metal shrapnel and the metal clip that matches each other, and the metal shrapnel sets firmly in the link plate, and in the metal clip was located the main casing, when first boss and cooperation muscle cooperation butt, metal shrapnel and metal clip contactless. When the main casing body and link plate were installed in the cooperation, the mutual butt of cooperation muscle on the first boss on the main casing body and the link plate supported and formed the cavity, and metal shrapnel and metal clamp are located this cavity and contactless each other to reduce and avoid even in the assembling process metal clamp and metal shrapnel mistake to switch on and lead to the emergence of the electric circuit damage condition.
Description
Technical Field
The invention relates to the technical field of safety alarms, in particular to a rotary matching device and an alarm.
Background
The ceiling type gas alarm is mainly applied to places such as factories, families or office buildings and the like and is used for detecting the concentration of combustible gas, smoke, CO and other gases in the environment; ceiling type gas alarm generally includes link plate and main casing body, installs working element such as detector, sound alarm, warning light, relay and drive fan in the main casing body, inserts the peripheral hardware line in the link plate, is provided with a plurality of assorted metal shrapnel that are used for putting through each working element circuit respectively on link plate and the main casing body. During the use, fix the link plate on the furred ceiling in house earlier, then on with main casing body screw in link plate, metal shrapnel on the main casing body and the metal shrapnel one-to-one matching electricity on the link plate are connected, be connected the exactness of electric polarity between for guaranteeing main casing body and link plate among the current ceiling type gas alarm, can set up a pair of mistake proofing mechanism on main casing body and link plate, radially outwards set up a mistake proofing boss along it on the main casing body, set up on the link plate one with mistake proofing boss assorted mistake proofing recess, because the only matching nature of mistake proofing boss and mistake proofing recess, with the exactness of installation polarity between the realization main casing body and the link plate.
When main casing body screw in link plate in current ceiling type gas alarm, the mistake proofing boss can only play the spacing to main casing body circumference, and the metal shrapnel on the link plate is touched very easily to the metal shrapnel on the main casing body, when link plate on-state, arouses the mistake easily and switches on, damages electric circuit.
That is, in the conventional ceiling type gas alarm, a certain gap cannot be formed between the main housing and the hanging plate in the process of rotating and matching the main housing and the hanging plate, and the working parts inside the main housing are easily collided and mistakenly conducted and damaged.
Disclosure of Invention
The invention aims to provide a rotary matching device and an alarm, which aim to solve the technical problems that a certain gap cannot be formed between a main shell and a hanging plate in the rotary matching process in the prior art, and working parts in the main shell and the hanging plate are easy to collide, mistakenly conduct and damage.
The invention provides a rotary matching device, which comprises a hanging plate and a main shell, wherein an installation plate for installing a working component is arranged in the main shell, an arc-shaped first boss is arranged on the main shell, and the end surface of the first boss is higher than the installation plate; be equipped with curved first recess muscle and curved cooperation muscle in proper order along its circumference on the link plate, first recess muscle with the cooperation muscle is with the centre of a circle setting, first recess muscle forms and is used for inlaying the recess of first boss, the terminal surface of cooperation muscle be used for with the terminal surface butt of first boss.
Furthermore, the inner diameter of the first boss is equal to that of the matching rib, an arc-shaped first plug connector is arranged on the inner side of the first boss, the first plug connector and the first boss are concentrically arranged, and the outer wall of the first plug connector is not completely overlapped with the inner wall of the first boss; the end face of the first plug connector is higher than the end face of the first boss.
Furthermore, the radian of the first plug connector is greater than that of the first boss, and all inner walls of the first boss are overlapped with the outer wall of the first plug connector.
Further, an arc-shaped second boss is further arranged on the main shell, the second boss is concentrically arranged with the first boss, the inner diameter of the second boss is equal to that of the first boss, the end face of the second boss is coplanar with that of the first boss, and the second boss and the first boss are located on two sides opposite to the center of circle; a second groove rib is arranged on the hanging plate, the second groove rib and the matching rib are arranged in the same circle center, and the second groove rib forms a groove for embedding the second boss; the cooperation muscle includes first cooperation muscle and the second cooperation muscle that the concentric circles set up, first cooperation muscle with the internal diameter of second cooperation muscle equals, first recess muscle first cooperation muscle second recess muscle second cooperation muscle is followed the circumference of link plate is arranged in proper order, just first cooperation muscle reaches the position of first recess muscle with first boss is corresponding, second cooperation muscle reaches second recess muscle with the position of second boss is corresponding.
Furthermore, an arc-shaped second plug connector is arranged on the inner side of the second boss, the second plug connector and the second boss are concentrically arranged, and the outer wall of the second plug connector is not completely overlapped with the inner wall of the second boss; the end face of the second plug connector is higher than the end face of the second boss.
Furthermore, the radian of the second boss is smaller than that of the first boss, and the radian of the second groove rib is smaller than that of the first boss.
Further, the outer diameter of the second boss is larger than that of the first boss.
Another objective of the present invention is to provide an alarm, which includes a conductive device and the above rotating matching device, wherein the conductive device includes a metal elastic sheet and a metal clip, the metal elastic sheet is fixedly disposed in the hanging plate, the metal clip is fixedly disposed on the mounting plate of the main housing, and the metal clip is matched with the metal elastic sheet; first boss on the main casing body with during cooperation muscle cooperation butt on the link plate, the metal shrapnel with the metal clip contactless, this siren has above-mentioned rotatory cooperation device's all technological effects.
Furthermore, the radian of the first groove rib is larger than that of the first boss, and the radian of the second groove rib is larger than that of the second boss.
Furthermore, the number of the metal elastic sheets is six, the six metal elastic sheets are uniformly distributed in an annular shape in the hanging plate, and the circle center of the annular shape is superposed with the circle center of the matched rib; the number of the metal clips is also six correspondingly.
The rotary matching device and the alarm have the advantages that:
the invention provides a rotary matching device and an alarm, wherein the rotary matching device comprises a main shell for mounting a working component and a hanging plate for connecting an external lead, a first boss with an end surface higher than a mounting plate is arranged in the main shell, and a matching rib for abutting against the first boss and a first groove rib for embedding the first boss to complete the matching of the main shell and the hanging plate are arranged on the hanging plate; the alarm comprises a metal clamp and a metal elastic sheet, wherein the metal clamp is arranged on a main shell body of a rotary matching device respectively, the metal elastic sheet is arranged in a hanging plate, when the alarm is used, the metal clamp is arranged on one side of a mounting plate of the main shell body, a plurality of working elements are arranged on the other side of the mounting plate, the working elements are electrically connected with the metal clamp in a one-to-one correspondence manner, the circle center of a first boss of the main shell body is aligned to the circle center of a matching rib on the hanging plate, the first boss in the main shell body is abutted to the matching rib on the hanging plate, the end face of the first boss is higher than the surface of the mounting plate for mounting the metal clamp, the first boss interacts with the matching rib, a cavity with a certain height is formed between the main shell body and the hanging plate, the metal clamp and the metal elastic sheet are located in the cavity and do not contact with each other, then the metal elastic sheet rotates around the circle center, the first boss slides along the arc-shaped end face of the matching rib, the main shell body falls down from the end face of the matching rib until the first boss reaches the position of the first groove rib, the metal elastic sheet on the main shell body, the metal clamp is completely embedded in a groove formed in a groove, the groove formed by the metal elastic sheet, the metal elastic sheet clamped on the main shell body, and is clamped in the main shell body, and connected with the metal elastic sheet.
When the main casing body and link plate are installed in the cooperation, first boss on the main casing body and the mutual butt of cooperation muscle on the link plate, support and form the cavity, metal shrapnel and metal clip are located this cavity and contactless each other, when metal clip on the main casing body is corresponding with the metal shrapnel position on the link plate, first boss falls and inlays in the recess that first recess muscle formed, metal shrapnel and metal clip contact are connected, accomplish the assembly of the main casing body and link plate, contactless between metal clip and the metal shrapnel in the assembling process, thereby reduce and even avoid in the assembling process metal clip and metal shrapnel mistake to switch on and lead to the emergence of the electric circuit damage condition.
In addition, in the main casing body and link plate assembling process, because the cooperation restriction of first boss and first groove muscle for the main casing body is certain with the position that the link plate accomplished the installation, and metal shrapnel on the link plate can only be connected with the metal clip cooperation that the position corresponds on the main casing body, thereby ensures the installation polarity between metal shrapnel and the metal clip on the siren, further reduces the metal clip and switches on the damage to electric circuit with the metal shrapnel mistake.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic three-dimensional structure of an alarm according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded view of the alarm of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the main housing of FIG. 1;
fig. 4 is a schematic view of the internal structure of the hanging plate in fig. 1.
Icon: 1-hanging a plate; 2-a main housing; 3-metal shrapnel; 4-a metal clip; 11-a first groove rib; 12-second groove ribs; 13-a first mating rib; 14-a second mating rib; 21-a first boss; 22-a second boss; 23-a first plug-in connector; 24-a second plug.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a rotary matching device, as shown in fig. 2-4, which includes a hanging plate 1 and a main casing 2, wherein a mounting plate for mounting working components is arranged in the main casing 2, an arc-shaped first boss 21 is arranged on the main casing 2, and the end surface of the first boss 21 is higher than the mounting plate; be equipped with curved first groove muscle 11 and curved cooperation muscle in proper order along its circumference on link plate 1, first groove muscle 11 sets up with the cooperation muscle is concentric, and first groove muscle 11 forms the recess that is used for inlaying first boss 21, the terminal surface of cooperation muscle be used for with the terminal surface butt of first boss 21.
The present embodiment further provides an alarm, as shown in fig. 1-4, comprising a conductive device and the above-mentioned rotary matching device, wherein the conductive device comprises a metal elastic sheet 3 and a metal clip 4, the metal elastic sheet 3 is fixedly disposed in the hanging plate 1, the metal clip 4 is fixedly disposed on the mounting plate of the main housing 2, and the metal clip 4 is matched with the metal elastic sheet 3; when the first boss 21 on the main casing body 2 is matched and abutted with the matching rib on the hanging plate 1, the metal elastic sheet 3 is not contacted with the metal clip 4.
The rotating matching device and the alarm provided by the embodiment comprise a main shell 2 for mounting working components and a hanging plate 1 for connecting external leads, wherein a first boss 21 with an end surface higher than a mounting plate is arranged in the main shell 2, and a matching rib for abutting against the first boss 21 and a first groove rib 11 for embedding the first boss 21 to complete matching of the main shell 2 and the hanging plate 1 are arranged on the hanging plate 1; wherein, the siren includes the metal clip 4 of installing respectively on the main casing body 2 of rotatory cooperation device and installs the metal shrapnel 3 in link plate 1, during the use, metal clip 4 is installed to main casing body 2's mounting panel one side, a plurality of working element are installed to the opposite side, each working element is connected with metal clip 4 one-to-one electricity, aim at the centre of a circle of main casing body 2 first boss 21 at the centre of a circle of the cooperation muscle on link plate 1, first boss 21 in the main casing body 2 and the cooperation muscle butt on link plate 1, the terminal surface of first boss 21 is higher than the surface that is used for installing the mounting panel of metal clip 4, first boss 21 and cooperation muscle interact, support and form the cavity of a take the altitude between main casing body 2 and the link plate 1, metal clip 4 and metal shrapnel 3 are located this cavity and do not contact each other, then around rotatory main casing body 2 in the centre of a circle, first boss 21 slides along the arc terminal surface of cooperation muscle, it inlays in the recess groove muscle 11 completely to fall from the terminal surface of cooperation muscle 11 position and follow first boss 21, metal clip 4 is close to metal clip 4 and the metal shrapnel 3 in the main casing body 2 direct connection of metal clip, metal clip 2 card is gone up to the metal clip 2 of the direct connection of link plate 2, metal clip 2.
When the main casing body 2 and link plate 1 are installed in the cooperation, first boss 21 on the main casing body 2 and the mutual butt of cooperation muscle on the link plate 1, support and form the cavity, metal shrapnel 3 and metal clip 4 are located this cavity and contactless each other, when metal clip 4 on the main casing body 2 corresponds with metal shrapnel 3 position on the link plate 1, first boss 21 falls and inlays in the recess of first recess muscle 11 formation, metal shrapnel 3 is connected with the contact of metal clip 4, accomplish the assembly of the main casing body 2 and link plate 1, contactless between metal clip 4 and the metal shrapnel 3 in the assembling process, thereby reduce and even avoid in the assembling process metal clip 4 and metal shrapnel 3 mistake to switch on and lead to the emergence of the electric circuit damage condition. It should be noted here that the height of the cavity supported by the first boss 21 and the mating rib is determined by the height of the first boss 21 and the mating rib, and the specific height may be set according to the height of the working component mounted in the cavity.
In addition, in main casing body 2 and link plate 1 assembling process, because the cooperation restriction of first boss 21 and first groove muscle 11 for the position that main casing body 2 and link plate 1 accomplished the installation is certain, metal shrapnel 3 on the link plate 1 can only be connected with the metal clip 4 cooperation that the position corresponds on the main casing body 2, thereby ensure the installation polarity between metal shrapnel 3 and the metal clip 4 on the siren, further reduce metal clip 4 and the damage of metal shrapnel 3 mistake switch-on to electric circuit. In addition, the arrangement of the first boss 21 and the matching ribs does not need to perform power-off processing on the hanging plate 1 when the main shell 2 and the hanging plate 1 are installed in a matching mode, so that the occurrence of data loss caused by power cut-off is reduced, and the task load of engineering installation and maintenance can be effectively reduced.
Specifically, when the circle center of the first boss 21 on the main casing 2 is aligned with the circle center of the matching rib on the hanging plate 1, the first boss 21 in the main casing 2 can be abutted against the matching rib on the hanging plate 1, the inner diameter of the first boss 21 needs to be smaller than the outer diameter of the matching rib, and the outer diameter of the first boss 21 needs to be larger than the inner diameter of the matching rib; first boss 21 can be inlayed in the recess that first groove muscle 11 formed, and the internal diameter of first groove muscle 11 can be equal to first boss 21's external diameter, and the radian of first groove muscle 11 can be equal to or be greater than first boss 21's radian according to the actual work component of mutually supporting.
In this embodiment, as shown in fig. 3, the inner diameter of the first boss 21 may be equal to the inner diameter of the mating rib, an arc-shaped first plug 23 is disposed inside the first boss 21, the first plug 23 is concentrically disposed with the first boss 21, and the outer wall of the first plug 23 is not completely overlapped with the inner wall of the first boss 21; the end face of the first plug 23 is higher than the end face of the first boss 21. The first plug 23 and the first boss 21 are concentrically arranged, and the inner wall of the first boss 21 and the outer wall of the first plug 23 overlap, which indicates that the outer diameter of the first plug 23 and the inner diameter of the first boss 21 and the inner diameter of the matching rib are equal, the arc outer wall of the first plug 23 matches with the arc inner wall of the matching rib, when the main casing 2 and the hanging plate 1 are assembled, the first plug 23 is inserted into the arc groove formed by the matching rib, the first plug 23, the first boss 21 and the matching rib three are concentrically matched, the arc inner wall of the first plug 23 fits with the arc outer wall of the matching rib, the first boss 21 is clamped on the matching rib, the end face of the first boss 21 abuts against the end face of the matching rib, when the main casing 2 is rotated, the outer wall of the first plug 23 slides along the inner wall of the matching rib, the first boss 21 is limited to slide around the end face of the matching rib, and is embedded in the groove formed by the first groove rib 11 until falling.
The setting of first bayonet joint 23 can ensure that first boss 21 rotates the process and rotates around the equidistance of centre of a circle to it drops or follow-up unable inlaying in the recess that first groove muscle 11 formed from the cooperation muscle to reduce first boss 21 and rotate the in-process, and influences the cooperation installation between main casing body 2 and link plate 1, can damage the emergence of the electric circuit condition even.
In this embodiment, as shown in fig. 3, the radian of the first plug 23 is greater than the radian of the first boss 21, and all inner walls of the first boss 21 are overlapped with the outer wall of the first plug 23. The first boss 21 is arranged on the outer wall of the first plug 23, the radian of the first plug 23 is larger than that of the first boss 21, firstly, the contact area of the first plug 23 inserted into the groove formed by the matching rib and the inner wall of the matching rib is larger, and in the rotation process of the main shell 2, the matching rib guides the first plug 23 more accurately, so that the first boss 21 is guided more accurately, and the rotation position accuracy of the first boss 21 is ensured; secondly, when the first boss 21 has been separated from the end face of the fitting rib in the rotation process but has not yet completely corresponded to the first groove rib 11, the portion of the first plug 23 longer than the first boss 21 is still matched with the fitting rib to guide the first boss 21, thereby further improving the matching precision of the first boss 21 and the first groove rib 11.
In this embodiment, as shown in fig. 3, an arc-shaped second boss 22 is further disposed on the main housing 2, the second boss 22 is concentric with the first boss 21, and has the same inner diameter as the first boss 21, an end surface of the second boss 22 is coplanar with an end surface of the first boss 21, and the second boss 22 and the first boss 21 are located at two sides opposite to the center of the circle; the hanging plate 1 is provided with a second groove rib 12, the second groove rib 12 and the matching rib are arranged concentrically, and the second groove rib 12 forms a groove for embedding a second boss 22; the cooperation muscle includes first cooperation muscle 13 and the second cooperation muscle 14 that the centre of a circle set up, first cooperation muscle 13 with the internal diameter of second cooperation muscle 14 equals, and first recess muscle 11, first cooperation muscle 13, second recess muscle 12, second cooperation muscle 14 are arranged along the circumference of link plate 1 in proper order, and the position of first cooperation muscle 13 and first recess muscle 11 is corresponding with first boss 21, second cooperation muscle 14 reaches second recess muscle 12 is corresponding with second boss 22's position. When the main casing body 2 and link plate 1 are installed in the cooperation, insert first bayonet joint 23 in the recess that first cooperation muscle 13 formed, the terminal surface butt of first boss 21 and first cooperation muscle 13, the terminal surface butt of second boss 22 and the terminal surface butt of second cooperation muscle 14, first boss 21 and second boss 22 act on simultaneously with first cooperation muscle 13 and second cooperation muscle 14 respectively, support out the cavity that is used for holding metal clip 4 and metal shrapnel 3 jointly, along with the rotation of the main casing body 2, first boss 21 and second boss 22 fall respectively and inlay in the recess that first groove muscle 11 and second groove muscle 12 formed, accomplish the cooperation of metal clip 4 and metal shrapnel 3 afterwards and connect.
In this embodiment, as shown in fig. 3 and 4, an arc-shaped second plug connector 24 may be further disposed on the inner side of the second boss 22, the second plug connector 24 and the second boss 22 are concentrically disposed, and the outer wall of the second plug connector 24 is not completely overlapped with the inner wall of the second boss 22; the end face of the second plug 24 is higher than the end face of the second boss 22. When the main casing body 2 and the link plate 1 are assembled, the main casing body 2 is pushed, the first plug connector 23 and the second plug connector 24 on the main casing body 2 can be respectively matched and plugged with the first matching rib 13 and the second matching rib 14, the first plug connector 23 and the second plug connector 24 guide the rotation stroke of the main casing body 2 together, and the rotation position precision of the first boss 21 and the second boss 22 is further enhanced.
In this embodiment, as shown in fig. 3 and 4, the curvature of the second boss 22 may be smaller than that of the first boss 21, and the curvature of the second groove rib 12 may be smaller than that of the first boss 21. The outer diameters of the first plug-in connector 23 and the second plug-in connector 24 are equal, the inner diameters of the first matching rib 13 and the second matching rib 14 are equal, therefore, the inner diameters of the first plug-in connector 23 and the second plug-in connector 24 are equal to those of the first matching rib 13 and the second matching rib 14, the radians of the first boss 21 and the second boss 22 are different, and the radian of the second groove rib 12 is smaller than that of the first boss 21, therefore, in the rotating process of the first plug-in connector 23 and the second plug-in connector 24, the first boss 21 can only fall down to be embedded in the groove formed by the first groove rib 11, correspondingly, the second boss 22 can only fall to be embedded in the groove formed by the second groove rib 12, and the second boss 22 falls into the groove formed by the first groove rib 11 to cause the installation errors of the polarities of the metal clip 4 and the metal 3, and damage the electric circuit and even cause the dangerous situation.
In this embodiment, as shown in fig. 3, the outer diameter of the second boss 22 may be larger than the outer diameter of the first boss 21. The internal diameter of first recess muscle 11 and the external diameter phase-match of first boss 21, the external diameter of second boss 22 is greater than the external diameter of first boss 21, consequently, second boss 22 can't be inlayed in the recess that first recess muscle 11 formed, further reduce and rotate the in-process, because first boss 21 falls into second recess muscle 12, second boss 22 falls into and causes metal clip 4 and the 3 polarity installation errors of metal shrapnel in the recess that first recess muscle 11 formed, and damage the emergence that the electric circuit caused the dangerous condition even.
Specifically, in this embodiment, the radian of the first groove rib 11 is greater than that of the first boss 21, and the radian of the second groove rib 12 is greater than that of the second boss 22. Aiming at the matching situation between different conducting devices, the first groove rib 11 and the second groove rib 12 can be set with different radians, concretely, aiming at the clamping connection mode of the metal clip 4 and the metal elastic sheet 3 in the embodiment, the radian of the first groove rib 11 is greater than that of the first boss 21, the radian of the second groove rib 12 is greater than that of the second boss 22, along with the rotation of the main shell body 2, the first boss 21 and the second boss 22 respectively fall into the grooves formed by the first groove rib 11 and the second groove rib 12, the metal clip 4 on the main shell body 2 and the metal elastic sheet 3 on the hanging plate 1 are in an unconnected state, the main shell body 2 continues to rotate, the first boss 21 and the second boss 22 respectively rotate in the grooves formed by the first groove rib 11 and the second groove rib 12 until reaching the end of the groove, the metal clip 4 rotates to clamp the metal elastic sheet 3 into the clamping sheet, and the matching connection of the main shell body 2 and the hanging plate 1 is completed.
In this embodiment, as shown in fig. 3 and 4, six metal elastic sheets 3 may be provided, and the six metal elastic sheets 3 are uniformly distributed in an annular shape in the hanging plate 1, and the circle center of the annular shape coincides with the circle center of the matching rib; the number of metal clips 4 is also six. The first matching ribs 13 and the second matching ribs 14 limit the rotation strokes of the first bosses 21 and the second bosses 22 through the first plug-in connectors 23 and the second plug-in connectors 24, the first groove ribs 11 and the second groove ribs 12 limit the rotation strokes of the first bosses 21 and the second bosses 22, and the first bosses 21 and the second bosses 22 are all around the circle centers thereof, namely, the circle centers of the matching ribs rotate, so that six groups of metal elastic sheets 3 and metal clamps 4 which are distributed annularly can be simultaneously matched and clamped in a rotating process of the main shell body 2, and the working elements which are respectively electrically connected on the six metal clamps 4 are electrically connected with corresponding metal elastic sheets 3 external devices on the hanging plate 1.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A rotary matching device is characterized by comprising a hanging plate (1) and a main shell (2), wherein a mounting plate for mounting a working component is arranged in the main shell (2), an arc-shaped first boss (21) is arranged on the main shell (2), and the end face of the first boss (21) is higher than the mounting plate; an arc-shaped first groove rib (11) and an arc-shaped matching rib are sequentially arranged on the hanging plate (1) along the circumferential direction of the hanging plate, the first groove rib (11) and the matching rib are concentrically arranged, the first groove rib (11) forms a groove for embedding the first boss (21), and the end face of the matching rib is used for being abutted against the end face of the first boss (21);
the main shell (2) is also provided with an arc-shaped second boss (22), the second boss (22) and the first boss (21) are concentrically arranged, the inner diameters of the second boss (22) and the first boss (21) are equal, the end surface of the second boss (22) is coplanar with the end surface of the first boss (21), and the second boss (22) and the first boss (21) are positioned on two sides opposite to the center of circle;
a second groove rib (12) is arranged on the hanging plate (1), the second groove rib (12) and the matching rib are arranged concentrically, and the second groove rib (12) forms a groove for embedding the second boss (22);
the matching ribs comprise a first matching rib (13) and a second matching rib (14) which are arranged concentrically, the inner diameters of the first matching rib (13) and the second matching rib (14) are equal, the first groove rib (11), the first matching rib (13), the second groove rib (12) and the second matching rib (14) are sequentially arranged along the circumferential direction of the hanging plate (1), the positions of the first matching rib (13) and the first groove rib (11) correspond to the positions of the first boss (21), and the positions of the second matching rib (14) and the second groove rib (12) correspond to the positions of the second boss (22);
the radian of the second boss (22) is smaller than that of the first boss (21), and the radian of the second groove rib (12) is smaller than that of the first boss (21);
the outer diameter of the second boss (22) is larger than the outer diameter of the first boss (21).
2. The rotary matching device according to claim 1, wherein the inner diameter of the first boss (21) is equal to the inner diameter of the matching rib, an arc-shaped first plug connector (23) is arranged on the inner side of the first boss (21), the first plug connector (23) and the first boss (21) are concentrically arranged, and the outer wall of the first plug connector (23) is not completely coincided with the inner wall of the first boss (21); the end face of the first plug connector (23) is higher than the end face of the first boss (21).
3. Rotary co-operation device according to claim 2, characterized in that the curvature of the first plug (23) is larger than the curvature of the first boss (21) and that the entire inner wall of the first boss (21) coincides with the outer wall of the first plug (23).
4. The rotary engagement device according to claim 1, wherein an arc-shaped second plug connector (24) is further disposed on the inner side of the second boss (22), the second plug connector (24) and the second boss (22) are concentrically disposed, and the outer wall of the second plug connector (24) and the inner wall of the second boss (22) are not completely overlapped; the end face of the second plug connector (24) is higher than the end face of the second boss (22).
5. An alarm, characterized in that it comprises a conductive device and a rotating matching device according to any one of claims 1-4, wherein the conductive device comprises a metal spring (3) and a metal clip (4), the metal spring (3) is fixedly arranged in the hanging plate (1), the metal clip (4) is fixedly arranged on a mounting plate of the main housing (2), and the metal clip (4) is matched with the metal spring (3); first boss (21) on main casing body (2) with during the cooperation butt of cooperation muscle on link plate (1), metal shrapnel (3) with metal clip (4) contactless.
6. The alarm according to claim 5, characterised in that the arc of the first groove rib (11) is greater than the arc of the first boss (21) and the arc of the second groove rib (12) is greater than the arc of the second boss (22).
7. The alarm device according to claim 5, wherein the number of the metal elastic sheets (3) is six, the six metal elastic sheets (3) are uniformly distributed in an annular shape in the hanging plate (1), and the circle center of the annular shape is superposed with the circle center of the matching rib; the number of the metal clips (4) is also six correspondingly.
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| CN201710572735.5A CN107274637B (en) | 2017-07-14 | 2017-07-14 | Rotating matching device and alarm |
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| CN201710572735.5A CN107274637B (en) | 2017-07-14 | 2017-07-14 | Rotating matching device and alarm |
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| CN107274637A CN107274637A (en) | 2017-10-20 |
| CN107274637B true CN107274637B (en) | 2023-01-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111356311B (en) * | 2018-12-20 | 2021-06-18 | 英觉消防安全科技股份有限公司 | Detector easy to disassemble and assemble quickly |
| CN110740600B (en) * | 2019-10-30 | 2020-12-18 | 日照市睿翅电子商务产业有限公司 | Multifunctional electronic product |
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| FR2864499B1 (en) * | 2003-12-24 | 2006-03-17 | Bosch Gmbh Robert | ARRANGEMENT FOR BAIONNETTE FASTENING AND LATCHING OF A BRAKE ASSIST SERVOMOTOR |
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| CN203336404U (en) * | 2013-09-30 | 2013-12-11 | 中山市迈得照明有限公司 | Led ceiling lamp |
| WO2017073582A1 (en) * | 2015-10-28 | 2017-05-04 | ホーチキ株式会社 | Equipment-mounting structure, mounting plate for same, alarm unit, fire alarm unit, alarm device, and method for manufacturing same |
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| CN202640387U (en) * | 2012-06-19 | 2013-01-02 | 浙江百特电器有限公司 | Rotationally-detached medical shaver |
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