CN206975801U - Rotatable engagement device and siren - Google Patents
Rotatable engagement device and siren Download PDFInfo
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- CN206975801U CN206975801U CN201720854668.1U CN201720854668U CN206975801U CN 206975801 U CN206975801 U CN 206975801U CN 201720854668 U CN201720854668 U CN 201720854668U CN 206975801 U CN206975801 U CN 206975801U
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Abstract
The utility model provides a kind of rotatable engagement device and siren, is related to safety alarm technical field.The rotatable engagement device includes hanging plate and main casing, and the first boss of arc is provided with main casing, and hanging plate is provided with the first groove muscle and coordinates muscle, and the first groove muscle is with coordinating muscle concentric to set and matching with first boss；The siren includes electric installation and above-mentioned rotatable engagement device, electric installation includes the metal clips and metal clip being mutually matched, and metal clips is fixedly arranged in hanging plate, and metal clip is fixedly arranged in main casing, when first boss abuts with coordinating muscle to coordinate, metal clips and metal clip do not contact.When coordinating installation main casing and hanging plate, first boss on main casing mutually abuts with the cooperation muscle on hanging plate, support forms chamber, metal clips and metal clip are located in the chamber and not contacted between each other, cause the generation of electric circuit damaged condition so as to reduce or even avoid in assembling process metal clip and metal clips to mislead.
Description
Technical field
It the utility model is related to safety alarm technical field, more particularly to a kind of rotatable engagement device and siren.
Background technology
Ceiling type gas alarm is mainly used in the places such as factory, home or office building, flammable in environment for detecting
The concentration of the gases such as gas, smog, CO；Ceiling type gas alarm generally comprises hanging plate and main casing, and inspection is provided with main casing
Survey device, audible alarm, alarm lamp, relay and the driving operation element such as blower fan, access peripheral hardware line in hanging plate, hanging plate and
Multiple metal clips for being used to connect each operation element circuit to match respectively are provided with main casing.In use, first will
Hanging plate is fixed on the furred ceiling in house, is then screwed in main casing on hanging plate, the gold on metal clips and hanging plate on main casing
Category shell fragment matches electrical connection one by one, in order to ensure that connection is electrically between main casing and hanging plate in existing ceiling type gas alarm
The correctness of polarity, can a pair of error prevention means be set on main casing and hanging plate, radially outwards set one on a main housing
Individual mistake proofing boss, a mistake proofing groove to match with mistake proofing boss is set, due to mistake proofing boss and mistake proofing groove on hanging plate
Unique match, to realize the correctness that polarity is installed between main casing and hanging plate.
When main casing is screwed on hanging plate in existing ceiling type gas alarm, mistake proofing boss can only be played to main casing week
To it is spacing, the metal clips on main casing is easy to touch the metal clips on hanging plate, when hanging plate "on" position, easily
Cause and mislead, damage electric circuit.
That is, in existing ceiling type gas alarm, main casing with during hanging plate rotatable engagement, being unable to shape between the two
Into certain interval, the easy collision of its internal workpiece misleads impaired.
Utility model content
The purpose of this utility model is to provide a kind of rotatable engagement device and siren, to solve to exist in the prior art
Main casing and hanging plate rotatable engagement during, certain interval can not be formed between the two, its internal workpiece easily touches
Hit the impaired technical problem that misleads.
Rotatable engagement device provided by the utility model, including hanging plate and main casing, interior be provided with of the main casing are used to pacify
The installing plate of workpiece is filled, the main casing is provided with the first boss of arc, and the end face of the first boss is higher than described
Installing plate；On the hanging plate the first groove muscle of arc and the cooperation muscle of arc, first groove are sequentially provided with along its circumference
Muscle is set with the cooperation muscle concentric, and the first groove muscle forms the groove for inlaying the first boss, described to match somebody with somebody
The end face for closing muscle is used to abut with the end face of the first boss.
Further, the internal diameter of the first boss is equal to the internal diameter of the cooperation muscle, is set on the inside of the first boss
There is the first connection-peg of arc, first connection-peg is set with the first boss concentric, and first connection-peg
Outer wall not exclusively overlaps with the inwall of the first boss；The end face of first connection-peg is higher than the end of the first boss
Face.
Further, the radian of first connection-peg is more than the radian of the first boss, and the first boss
Whole inwalls overlap with the outer wall of first connection-peg.
Further, the second boss of arc, the second boss and the first boss are additionally provided with the main casing
Concentric is set and internal diameter is equal, and the end face of the second boss and the end face of the first boss are coplanar, the second boss
With the first boss both sides that to be located at the center of circle relative；The hanging plate is provided with the second groove muscle, the second groove muscle and institute
State and coordinate muscle concentric to set, the second groove muscle forms the groove for inlaying the second boss；The cooperation muscle bag
Including the first of concentric setting coordinates muscle and second to coordinate muscle, and described first coordinates muscle and the described second internal diameter phase for coordinating muscle
In the first groove muscle, the first cooperation muscle, the week of the second groove muscle, the second cooperation muscle along the hanging plate
To arranging successively, and described first coordinates the position of muscle and the first groove muscle corresponding with the first boss, and described the
Two coordinate muscle and the second groove muscle corresponding with the position of the second boss.
Further, the second connection-peg of arc, second connection-peg and institute are additionally provided with the inside of the second boss
The setting of second boss concentric is stated, and the outer wall of second connection-peg not exclusively overlaps with the inwall of the second boss；Institute
The end face for stating the second connection-peg is higher than the end face of the second boss.
Further, the radian of the second boss is less than the radian of the first boss, the arc of the second groove muscle
Radian of the degree less than the first boss.
Further, the external diameter of the second boss is more than the external diameter of the first boss.
Another purpose of the present utility model is to provide a kind of siren, including electric installation and above-mentioned rotatable engagement dress
Put, the electric installation includes metal clips and metal clip, and the metal clips is fixedly arranged in the hanging plate, and the metal is clamping
On the installing plate of the main casing, the metal clip matches with the metal clips；First on the main casing is convex
When platform abuts with the cooperation muscle cooperation on the hanging plate, the metal clips and the metal clip do not contact, and the siren has
All technique effects of above-mentioned rotatable engagement device.
Further, the radian of the first groove muscle is more than the radian of the first boss, the second groove muscle
Radian is more than the radian of the second boss.
Further, the metal clips is six, and six metal clips uniformly divide in a ring in the hanging plate
Cloth, and the annular center of circle overlaps with the center of circle of the cooperation muscle；The metal clip also mutually should be six.
The utility model rotatable engagement device and siren have the beneficial effect that：
The utility model provides a kind of rotatable engagement device and siren, wherein, rotatable engagement device includes being used to install
The main casing of workpiece and the hanging plate for connecting extraneous wire, it is first convex higher than installing plate provided with end face in main casing
Platform, hanging plate are provided with the cooperation muscle for being used for abutting with first boss and matched somebody with somebody for inlaying first boss completion main casing with hanging plate
The the first groove muscle closed；Wherein, siren includes metal clip and the installation being respectively arranged on the main casing of rotatable engagement device
In the metal clips in hanging plate, in use, the installing plate side of main casing is provided with metal clip, opposite side is provided with multiple work
Element, each operation element are corresponded with metal clip and electrically connected, and will be coordinated on the center of circle alignment hanging plate of main casing first boss
The center of circle of muscle, the first boss in main casing is abutted with the cooperation muscle on hanging plate, the end face of first boss, which is higher than, to be used to install
The surface of the installing plate of metal clip, first boss support formation between main casing and hanging plate certain high with coordinating muscle interaction
The chamber of degree, metal clip and metal clips are located in the chamber not to be contacted between each other, then around the center of circle rotate main casing, first
Boss is along coordinating the curved end of muscle to slide, until first boss reaches the position of the first groove muscle and from the end face for coordinating muscle
Fall and be embedded in completely in the groove of the first groove muscle formation, metal clip is therewith close to metal clips, metal clip and metal clips
Directly contact or be rotated further main casing, the metal clips on hanging plate is caught on main casing in metal clip, completes main casing with hanging
The mating connection of plate.
When coordinating installation main casing and hanging plate, the first boss on main casing mutually abuts with the cooperation muscle on hanging plate, props up
Support forms chamber, and metal clips and metal clip be located in the chamber and do not contacted between each other, when the metal clip on main casing and
When metal clips position on hanging plate is corresponding, first boss, which is fallen, to be embedded in the groove of the first groove muscle formation, metal elastic
Piece contacts connection with metal clip, completes the assembling of main casing and hanging plate, is not connect between metal clip and metal clips in assembling process
Touch, cause the hair of electric circuit damaged condition so as to reduce or even avoid in assembling process metal clip and metal clips to mislead
It is raw.
In addition, in main casing and hanging plate assembling process, because the cooperation of first boss and the first groove muscle limits so that main
The position that housing and hanging plate complete installation is certain, and the metal clips on hanging plate can only metal corresponding with position on main casing
Folder is connected, so that it is guaranteed that the installation polarity on siren between metal clips and metal clip, further reduce metal clip with
The damage that metal clips misleads to electric circuit.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the three dimensional structure diagram for the siren that the utility model embodiment provides；
Fig. 2 is the configuration schematic diagram of siren in Fig. 1；
Fig. 3 is the internal structure schematic diagram of main casing in Fig. 1；
Fig. 4 is the internal structure schematic diagram of hanging plate in Fig. 1.
Icon：1- hanging plates；2- main casings；3- metal clips；4- metal clips；11- the first groove muscle；12- second
Groove muscle；13- first coordinates muscle；14- second coordinates muscle；21- first boss；22- second boss；The grafting of 23- first
Head；The connection-pegs of 24- second.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The present embodiment provides a kind of rotatable engagement device, as shown in figs 2-4, including hanging plate 1 and main casing 2, main casing
The installing plate for installment work part is provided with 2, main casing 2 is provided with the first boss 21 of arc, the end of first boss 21
Face is higher than installing plate；On hanging plate 1 the first groove muscle 11 of arc and the cooperation muscle of arc, the first groove are sequentially provided with along its circumference
With coordinating muscle concentric to set, the first groove muscle 11 forms the groove for inlaying first boss 21, coordinates the end face of muscle muscle 11
For being abutted with the end face of first boss 21.
The present embodiment also provides a kind of siren, as Figure 1-Figure 4, including electric installation and above-mentioned rotatable engagement dress
Put, electric installation includes metal clips 3 and metal clip 4, and metal clips 3 is fixedly arranged in hanging plate 1, and metal clip 4 is fixedly arranged on main casing 2
Installing plate on, metal clip 4 matches with metal clips 3；First boss 21 on main casing 2 is matched somebody with somebody with the cooperation muscle on hanging plate 1
When closing abutting, metal clips 3 and the metal clip 4 do not contact.
The rotatable engagement device and siren that the present embodiment provides, wherein, rotatable engagement device includes being used for installment work
The main casing 2 of part and the hanging plate 1 for connecting extraneous wire, the interior first boss for being higher than installing plate provided with end face of main casing 2
21, hanging plate 1 be provided be used for the cooperation muscle that is abutted with first boss 21 and for inlay first boss 21 complete main casing 2 and
The first groove muscle 11 that hanging plate 1 coordinates；Wherein, siren includes the gold being respectively arranged on the main casing 2 of rotatable engagement device
Category folder 4 and the metal clips 3 being installed in hanging plate 1, in use, the installing plate side of main casing 2 is provided with metal clip 4, it is another
Side is provided with multiple operation elements, and each operation element is corresponded with metal clip 4 and electrically connected, by the first boss 21 of main casing 2
Center of circle alignment hanging plate 1 on coordinate the center of circle of muscle, the first boss 21 in main casing 2 is abutted with the cooperation muscle on hanging plate 1, the
The end face of one boss 21 is higher than the surface for the installing plate for being used to install metal clip 4, and first boss 21 is with coordinating muscle interaction, branch
The chamber that certain altitude is formed between main casing 2 and hanging plate 1 is supportted, metal clip 4 and metal clips 3 are located in the chamber between each other
Do not contact, rotate main casing 2 then around the center of circle, first boss 21 is along coordinating the curved end of muscle to slide, until first boss 21
Reach the position of the first groove muscle 11 and the groove for being embedded in the formation of the first groove muscle 11 completely is fallen from the end face for coordinating muscle
Interior, metal clip 4 directly contacts or is rotated further main casing 2, hanging plate 1 close to metal clips 3, metal clip 4 with metal clips 3 therewith
On metal clips 3 be caught on main casing 2 in metal clip 4, complete the mating connection of main casing 2 and hanging plate 1.
When coordinating installation main casing 2 and hanging plate 1, the first boss 21 on main casing 2 is mutually supported with the cooperation muscle on hanging plate 1
Connect, support forms chamber, and metal clips 3 and metal clip 4 are located in the chamber and do not contacted between each other, when on main casing 2
When metal clip 4 is corresponding with the position of metal clips 3 on hanging plate 1, first boss 21, which is fallen, to be embedded in the first groove muscle 11 and is formed
Groove in, metal clips 3 contacts connection with metal clip 4, completes the assembling of main casing 2 and hanging plate 1, metal clip in assembling process
Do not contact between 4 and metal clips 3, led so as to reduce or even avoid in assembling process metal clip 4 to be misleaded with metal clips 3
Send a telegraph pneumoelectric path loss bad the occurrence of.Need exist for explanation, the height for the chamber that first boss 21 and cooperation muscle support
From first boss 21, the height of muscle together decides on with, and specific height can be according to the height of installment work part in chamber
To set.
In addition, in main casing 2 and the assembling process of hanging plate 1, because the cooperation of the groove muscle 11 of first boss 21 and first limits,
So that the position that main casing 2 and hanging plate 1 complete installation is certain, the metal clips 3 on hanging plate 1 can only be upper with main casing 2
Metal clip 4 corresponding to putting is connected, so that it is guaranteed that the installation polarity on siren between metal clips 3 and metal clip 4, enters one
Step reduces the damage that metal clip 4 misleads to electric circuit with metal clips 3.In addition, the setting of first boss 21 and cooperation muscle,
When coordinating installation main casing 2 and hanging plate 1, it is not necessary to carry out power down process to hanging plate 1, cause so as to reduce because cutting off the electricity supply
The generation of event of data loss, it can effectively mitigate project installation maintenance task amount.
Specifically, when coordinating the center of circle of muscle on the center of circle alignment hanging plate 1 of first boss 21 on main casing 2, in main casing 2
First boss 21 can abut with the cooperation muscle on hanging plate 1, and the internal diameter of first boss 21 needs to be less than the external diameter for coordinating muscle, and first
The external diameter of boss 21 needs to be more than the internal diameter for coordinating muscle；First boss 21 can be embedded in the groove of the first groove muscle 11 formation
Interior, the internal diameter of the first groove muscle 11 can be equal to the external diameter of first boss 21, and the radian of the first groove muscle 11 is according to actual mutual
The operation element of cooperation can be equal to or more than the radian of first boss 21.
In the present embodiment, as shown in figure 3, the internal diameter of first boss 21 can be equal to the internal diameter for coordinating muscle, first boss 21
Inner side be provided with the first connection-peg 23 of arc, the first connection-peg 23 is set with the concentric of first boss 21, and the first connection-peg
23 outer wall not exclusively overlaps with the inwall of first boss 21；The end face of first connection-peg 23 is higher than the end face of first boss 21.
First connection-peg 23 and the concentric of first boss 21 are set, and the outer wall of the inwall of first boss 21 and the first connection-peg 23 has weight
Part is closed, then illustrates the external diameter of the first connection-peg 23 and the internal diameter of first boss 21, coordinate the internal diameter of muscle equal, the first grafting
When assembling main casing 2 and hanging plate 1, the first connection-peg 23 is inserted with coordinating the arc inner wall of muscle to match for first 23 arc outer wall
In the deep-slotted chip breaker for entering to coordinate muscle formation, the first connection-peg 23, first boss 21 and cooperation muscle three concentric coordinate, and first inserts
The arc inner wall of joint 23 is with coordinating the arc outer wall of muscle to be bonded, and first boss 21, which is stuck in, to be coordinated on muscle, the end of first boss 21
Face is with coordinating the end face of muscle to abut, and when rotating main casing 2, the outer wall edge of the first connection-peg 23 coordinates the inwall of muscle to slide, limitation
First boss 21 is slided around the center of circle on the end face for coordinating muscle, is embedded in until falling in the groove of the first groove muscle 11 formation.
The setting of first connection-peg 23 may insure the rotation process of first boss 21 around the equidistant rotation in the center of circle, so as to reduce
Drop or can not be subsequently embedded in the groove of the first groove muscle 11 formation on muscle from coordinating in the rotation process of first boss 21, and
The occurrence of influenceing the cooperation installation between main casing 2 and hanging plate 1, or even electric circuit can be damaged.
In the present embodiment, as shown in figure 3, the radian of the first connection-peg 23 is more than the radian of first boss 21, and first is convex
Whole inwalls of platform 21 overlap with the outer wall of the first connection-peg 23.First boss 21 is arranged at the outer wall of the first connection-peg 23, the
The radian of one connection-peg 23 is more than the radian of first boss 21, and first, the insertion of the first connection-peg 23 coordinates in the groove that muscle is formed
With coordinating the inwall contact area of muscle larger, in the rotary course of main casing 2, coordinate muscle more smart to the guiding of the first connection-peg 23
Really, it is and then more accurate to the guiding of first boss 21, to ensure the rotation position precision of first boss 21；Secondly, when first
Had been detached from the rotation process of boss 21 coordinate muscle end face but also not completely with the first groove muscle 11 to it is corresponding when the first connection-peg
23 parts for being longer than first boss 21 are still oriented to coordinating muscle to coordinate to first boss 21, so as to further improve first
The precision that the groove muscle 11 of boss 21 and first coordinates.
In the present embodiment, as shown in figure 3, the second boss 22 of arc is additionally provided with main casing 2, second boss 22 and first
The concentric of boss 21 is set and internal diameter is equal, and the end face and the end face of first boss 21 of second boss 22 are coplanar, second boss 22
With the both sides that to be located at the center of circle relative of first boss 21；Hanging plate 1 is provided with the second groove muscle 12, and the second groove muscle 12 is same with coordinating muscle
The center of circle is set, and the second groove muscle 12 forms the groove for inlaying second boss 22；Muscle is coordinated to include concentric is set first
Muscle 13 and second is coordinated to coordinate muscle 14, first coordinates muscle 13 to coordinate the internal diameter of muscle 14 equal with described second, the first groove muscle 11,
First cooperation muscle 13, the second groove muscle 12, second coordinate muscle 14 arranged successively along circumference of hanging plate 1, and first cooperation muscle 13 and
The position of first groove muscle 11 is corresponding with first boss 21, and second coordinates muscle 14 and the second groove muscle 12 and second boss
22 position is corresponding.When coordinating installation main casing 2 and hanging plate 1, the first connection-peg 23 is inserted what the first cooperation muscle 13 was formed
In groove, the end face of first boss 21 abuts with the end face of the first cooperation muscle 13, and the end face of second boss 22 coordinates muscle with second
14 end face abuts, and first boss 21 and second boss 22 coordinate muscle 14 to act on simultaneously with the first cooperation muscle 13 and second respectively,
Common branch overhangs the chamber for accommodating metal clip 4 and metal clips 3, with the rotation of main casing 2, first boss 21 and second
Boss 22 is fallen respectively to be embedded in the groove that the first groove muscle 11 and the second groove muscle 12 are formed, and subsequently completes the He of metal clip 4
The mating connection of metal clips 3.
First boss 21 and second boss 22 both sides that to be located at the center of circle relative, in rotation process, while to the phase of main casing 2
Both sides are supported, metal clip 4 and metal are caused so as to effectively reduce single boss support 2 easy run-off the straight of main casing
Shell fragment 3 misleads, damage electric circuit the occurrence of.
As shown in Figure 3 and Figure 4, shown in the present embodiment, the inner side of second boss 22 is also provided with the second of arc and inserted
Joint 24, the second connection-peg 24 are set with the concentric of second boss 22, and the outer wall of the second connection-peg 24 and second boss 22
Inwall not exclusively overlaps；The end face of second connection-peg 24 is higher than the end face of second boss 22.When assembling main casing 2 with hanging plate 1, push away
Dynamic main casing 2, the first connection-peg 23 and the second connection-peg 24 on main casing 2 can match somebody with somebody with the first cooperation muscle 13, second respectively
Close muscle 14 and coordinate grafting, the first connection-peg 23 and the second connection-peg 24 are oriented to the rotational travel of main casing 2 jointly, enter one
The turned position precision of step enhancing first boss 21 and second boss 22.
In the present embodiment, as shown in Figure 3 and Figure 4, the radian of second boss 22 can be less than the radian of first boss 21, the
The radian of two groove muscle 12 is less than the radian of first boss 21.First connection-peg 23, the external diameter of the second connection-peg 24 are equal, and first
Muscle 13, second is coordinated to coordinate the internal diameter of muscle 14 equal, therefore the first connection-peg 23, the second connection-peg 24 and the first cooperation muscle 13,
Second cooperation muscle 14 can coordinate rotation, and first boss 21 is different with the radian of second boss 22, and the second groove muscle 12
Radian is less than the radian of first boss 21, therefore in the first connection-peg 23, the rotation process of the second connection-peg 24, first boss 21
It can fall and be embedded in the groove of the first groove muscle 11 formation, accordingly, second boss 22 can only fall that to be embedded in second recessed
In the groove that groove muscle 12 is formed, so as to reduce in rotation process, because first boss 21 falls into the second groove muscle 12, second boss
22 fall into the groove of the first groove muscle 11 formation and cause metal clip 4 and the polarity setup error of metal clips 3, and damage electrically electric
Even cause the generation of dangerous situation in road.
In the present embodiment, as shown in figure 3, the external diameter of second boss 22 can be more than the external diameter of first boss 21.First is recessed
The internal diameter of groove muscle 11 and the external diameter of first boss 21 match, and the external diameter of second boss 22 is more than the external diameter of first boss 21, because
This second boss 22 can not be embedded in the groove of the first groove muscle 11 formation, further reduced in rotation process, due to first
Boss 21 falls into the second groove muscle 12, second boss 22 falls into the groove of the first groove muscle 11 formation and causes metal clip 4 and gold
Belong to the polarity setup error of shell fragment 3, and damage electric circuit or even cause the generation of dangerous situation.
Specifically, in the present embodiment, the radian of the first groove muscle 11 is more than the radian of first boss 21, the second groove muscle 12
Radian be more than second boss 22 radian.For the mated condition between different electric installations, the first groove muscle 11 and
Two groove muscle 12 can set different radians, specifically, the clamping for metal clip 4 and metal clips 3 in the present embodiment
Mode, the radian of the first groove muscle 11 are more than the radian of first boss 21, and the radian of the second groove muscle 12 is more than second boss 22
Radian, with the rotation of main casing 2, first boss 21 and second boss 22 fall fall into the first groove muscle 11 and second respectively
In the groove that groove muscle 12 is formed, now the metal clip 4 on main casing 2 is in not connected shape with the metal clips 3 on hanging plate 1
State, is rotated further main casing 2, and first boss 21 and second boss 22 are formed in the first groove muscle 11 and the second groove muscle 12 respectively
Groove in rotate, until reach groove ends, metal clip 4, which rotates, is caught in metal clips 3 in intermediate plate, complete main casing 2 with
The mating connection of hanging plate 1.
In the present embodiment, as shown in Figure 3 and Figure 4, metal clips 3 can be six, and six metal clips 3 are in hanging plate 1
It is uniformly distributed in a ring, and the center of circle of annular is with coordinating the center of circle of muscle to overlap；Metal clip 4 also mutually should be six.First coordinates muscle
13rd, second coordinates rotation of the muscle 14 by the first connection-peg 23 and the second connection-peg 24 limitation first boss 21 and second boss 22
Stroke, the first groove muscle 11 and the rotational travel of the second groove muscle 12 limitation first boss 21 and second boss 22, first boss
21 and second boss 22 around its center of circle, i.e. coordinate the center of circle of muscle to rotate, therefore, in the rotation process of main casing 2, divide in a ring
The six groups of metal clips 3 and metal clip 4 of cloth can coordinate clamping simultaneously, complete the work being electrically connected on six metal clips 4
The electrical connection of element and the external device of respective metal shell fragment 3 on hanging plate 1.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment
The scope of technical scheme.
Claims (10)
1. a kind of rotatable engagement device, it is characterised in that including hanging plate (1) and main casing (2), be provided with the main casing (2)
For the installing plate of installment work part, the main casing (2) is provided with the first boss (21) of arc, the first boss
(21) end face is higher than the installing plate；On the hanging plate (1) along its circumference be sequentially provided with arc the first groove muscle (11) and
The cooperation muscle of arc, the first groove muscle (11) are set with the cooperation muscle concentric, and the first groove muscle (11) is formed
It is described to coordinate the end face of muscle to be used to support with the end face of the first boss (21) for inlaying the groove of the first boss (21)
Connect.
2. rotatable engagement device according to claim 1, it is characterised in that the internal diameter of the first boss (21) is equal to institute
The internal diameter for coordinating muscle is stated, the inner side of the first boss (21) is provided with the first connection-peg (23) of arc, first connection-peg
(23) set with the first boss (21) concentric, and the outer wall of first connection-peg (23) and the first boss (21)
Inwall not exclusively overlap；The end face of first connection-peg (23) is higher than the end face of the first boss (21).
3. rotatable engagement device according to claim 2, it is characterised in that the radian of first connection-peg (23) is more than
The radian of the first boss (21), and whole inwalls of the first boss (21) and the outer wall of first connection-peg (23)
Overlap.
4. rotatable engagement device according to claim 3, it is characterised in that be additionally provided with arc on the main casing (2)
Second boss (22), the second boss (22) is set with the first boss (21) concentric and internal diameter is equal, and described second
The end face of boss (22) and the end face of the first boss (21) are coplanar, the second boss (22) and the first boss (21)
The both sides relative positioned at the center of circle；
The hanging plate (1) is provided with the second groove muscle (12), and the second groove muscle (12) is set with the cooperation muscle concentric,
The second groove muscle (12) forms the groove for inlaying the second boss (22)；
Described to coordinate muscle to include the first cooperation muscle (13) and the second cooperation muscle (14) that concentric is set, described first coordinates muscle
(13) coordinate the internal diameter of muscle (14) equal with described second, the first groove muscle (11), described first coordinate muscle (13), described
Second groove muscle (12), the second cooperation muscle (14) are arranged successively along the circumference of the hanging plate (1), and described first coordinates muscle
(13) and the first groove muscle (11) position it is corresponding with the first boss (21), described second coordinates muscle (14) and institute
It is corresponding with the position of the second boss (22) to state the second groove muscle (12).
5. rotatable engagement device according to claim 4, it is characterised in that be additionally provided with the inside of the second boss (22)
The second connection-peg (24) of arc, second connection-peg (24) and the second boss (22) concentric are set, and described the
The outer wall of two connection-pegs (24) not exclusively overlaps with the inwall of the second boss (22)；The end face of second connection-peg (24)
Higher than the end face of the second boss (22).
6. rotatable engagement device according to claim 5, it is characterised in that the radian of the second boss (22) is less than institute
The radian of first boss (21) is stated, the radian of the second groove muscle (12) is less than the radian of the first boss (21).
7. rotatable engagement device according to claim 6, it is characterised in that the external diameter of the second boss (22) is more than institute
State the external diameter of first boss (21).
8. a kind of siren, it is characterised in that including the rotatable engagement any one of electric installation and claim 4-7
Device, the electric installation include metal clips (3) and metal clip (4), and the metal clips (3) is fixedly arranged on the hanging plate (1)
Interior, the metal clip (4) is fixedly arranged on the installing plate of the main casing (2), the metal clip (4) and the metal clips (3)
Match；When first boss (21) on the main casing (2) abuts with the cooperation muscle cooperation on the hanging plate (1), the gold
Category shell fragment (3) and the metal clip (4) do not contact.
9. siren according to claim 8, it is characterised in that the radian of the first groove muscle (11) is more than described the
The radian of one boss (21), the radian of the second groove muscle (12) are more than the radian of the second boss (22).
10. siren according to claim 8, it is characterised in that the metal clips (3) is six, six gold
Category shell fragment (3) is uniformly distributed in a ring in the hanging plate (1), and the annular center of circle and the center of circle weight of the cooperation muscle
Close；The metal clip (4) also mutually should be six.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720854668.1U CN206975801U (en) | 2017-07-14 | 2017-07-14 | Rotatable engagement device and siren |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720854668.1U CN206975801U (en) | 2017-07-14 | 2017-07-14 | Rotatable engagement device and siren |
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| CN206975801U true CN206975801U (en) | 2018-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274637A (en) * | 2017-07-14 | 2017-10-20 | 河南驰诚电气股份有限公司 | Rotatable engagement device and siren |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274637A (en) * | 2017-07-14 | 2017-10-20 | 河南驰诚电气股份有限公司 | Rotatable engagement device and siren |
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