CN107591260A - A kind of brushless signal dc switch - Google Patents
A kind of brushless signal dc switch Download PDFInfo
- Publication number
- CN107591260A CN107591260A CN201710895687.3A CN201710895687A CN107591260A CN 107591260 A CN107591260 A CN 107591260A CN 201710895687 A CN201710895687 A CN 201710895687A CN 107591260 A CN107591260 A CN 107591260A
- Authority
- CN
- China
- Prior art keywords
- plate
- push rod
- commutation
- pcb board
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a kind of brushless signal dc switch, including housing, push rod and group handle, pcb board is provided with housing, the side of pcb board is provided with opening and closing circuit, opposite side is provided with commutating circuit, its end set has binding post, push rod is used for the opening and closing for controlling opening and closing circuit, the commutation that handle is used to control commutating circuit is dialled in commutation, enclosure interior is divided into mutually isolated commutation chamber and opening and closing chamber by pcb board, in push rod insertion opening and closing chamber, pass through flexible wiper seal between push rod and housing, commutation is dialled in handle insertion commutation chamber, opening and closing circuit direction opening and closing chamber on pcb board, commutating circuit direction commutation chamber, signal wire connecting hole is opened in housing bottom, signal wire connecting hole and signal wire tight fit.Enclosure interior is divided into mutually isolated commutation chamber and opening and closing chamber using pcb board, by elastomeric wiper seal between push rod and housing, simple in construction, effective dirt accumulation that blocks is on opening and closing circuit.
Description
Technical field
The present invention relates to one kind to switch, particularly a kind of brushless signal dc switch.
Background technology
Brushless signaling switch is widely used in various brushless electric tools, because brushless signaling switch belongs to vulnerabilities scan
Switch, its internal opening and closing circuit arrangement is closer, is easily influenceed by dust, is gathered when on the opening and closing circuit in switch
Grieshoch, easily cause the opening and closing failure of circuit, and in the working environment of electric tool, due to traditional brushless signaling switch
Sealing property is not strong, therefore dust is easily accessible in housing, influences the normal break-make of circuit, the particularly nothing with commutation function
Brush signal dc switch, handle swing hole is dialled due to being provided with housing, therefore dust is easy to enter shell by dialling handle swing hole
In vivo, it is attached on opening and closing circuit, causes to be opened and closed the failure of circuit, shorten the service life of switch.
The content of the invention
The technical problems to be solved by the invention are：A kind of simple in construction, energy blocks dust is provided and accumulates in opening and closing circuit
On brushless signal dc switch.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of brushless signal dc switch, including shell
Body, push rod mounting hole is provided with housing, handle is dialled and swings hole and signal wire connecting hole, push rod is plugged with push rod mounting hole,
Dial and commutation group handle is provided with handle swing hole, be provided with pcb board in housing, the side of pcb board is provided with opening and closing circuit, opposite side
Commutating circuit is provided with, its end set has binding post, and the push rod is used for the opening and closing for controlling opening and closing circuit, and the commutation is dialled
Handle is used for the commutation for controlling commutating circuit, and enclosure interior is divided into mutually isolated commutation chamber and opening and closing chamber by the pcb board
Room, the push rod insertion are opened and closed in chamber, pass through flexible wiper seal between push rod and housing, and handle is dialled in the commutation
In insertion commutation chamber, the opening and closing circuit direction opening and closing chamber on the pcb board, commutating circuit direction commutation chamber, the letter
Number line connecting hole is opened in housing bottom, signal wire connecting hole and signal wire tight fit.
As a kind of preferable scheme, the housing includes base, and middle pedestal is connected with directly over base, middle pedestal
Surface is connected with lid, and the dead astern of the base, middle pedestal and upper lid is connected with a bonnet jointly；
Wherein, base is respectively arranged with the front end upwardly extended including bottom plate A, bottom plate A front end, left side, right side edge
Plate A, left plate A and right plate A, push rod locating piece A are fixedly connected with front end-plate A leading flank, push rod locating piece A's is upper
End face and front end-plate A upper surface are provided with semi-circular groove A jointly, are set respectively in the left and right sidewall of the push rod locating piece A
The snap fit A of outwardly convex, several crossed beam trunkings being engaged with signal wire are provided with the rear end end face of the bottom plate A；
Middle pedestal includes left plate B that is vertically arranged and being sequentially connected, front end-plate B, right plate B and is connected to front side board
The annular slot that handle is dialled for being pivotally connected commutation, annular are provided with B upper ends and the panel B of horizontal forward extension, panel B upper surface
A semicircle baffle ring raised vertically upward is coaxially arranged with front of slot, push rod is fixedly connected with front end-plate B leading flank
Locating piece B, push rod locating piece B upper end extends upwardly to connect with panel B, and push rod locating piece B lower surface is with front end-plate B's
Lower edge flushes, and push rod locating piece B lower surface and front end-plate B lower edge are provided with semi-circular groove B, the push rod positioning jointly
Be respectively arranged with block B left and right sidewall extend downwardly and with the one-to-one buckle B of snap fit A, a left side of the push rod locating piece B
Right both sides top is respectively arranged with snap fit B；
The upper lid includes the panel C relative with bottom plate A, the left plate C extended downwardly along panel C left and right sides edge
With right plate C, be respectively arranged with the left plate C and right plate C extend downwardly and with the one-to-one buckle C of snap fit B；
The left plate A and left plate B, right plate A and right plate B, front end-plate A and front end-plate B pass through tongue and groove pair respectively
Connect it is lower in form dock, the push rod locating piece A and push rod locating piece B by one-to-one buckle B and snap fit A clampings,
The semi-circular groove A docks to form push rod mounting hole with semi-circular groove B；
The left plate C and left plate B, right plate C and right plate B respectively by rabbeted butt joint it is formal under dock,
Buckle C and snap fit B clampings, the semicircle baffle ring are located at below panel C, are formed between panel C and semicircle baffle ring and dial handle pendulum
Dynamic hole；
The bonnet includes the end plate D being oppositely arranged with front end-plate B, distinguishes along end plate D upper end, left side and right side
It is provided with the form pair that the panel D extended forward, left plate D and right plate D, the panel D and panel C pass through rabbeted butt joint
Connect, left plate D is docked with left plate A, left plate B, left plate C by the form of rabbeted butt joint respectively, right plate D respectively with the right side
Side plate A, right plate B, right plate C are docked by the form of rabbeted butt joint；
The crossed beam trunking is relative with end plate D, and crossed beam trunking forms signal wire connecting hole with end plate D.
As a kind of preferable scheme, one is respectively arranged with the left plate B and right plate B of the middle pedestal opposite face
Bar is symmetrical arranged parallel to the axial straight trough of push rod, two straight troughs, and between panel B and push rod mounting hole, the pcb board
The left and right sides is plugged in the straight trough of respective side respectively, and above pcb board is commutation chamber, and below pcb board is
Chamber is opened and closed, the commutating circuit is arranged on the upper surface of pcb board, and opening and closing circuit is arranged on the lower surface of pcb board.
As a kind of preferable scheme, on the rear upper end face of the bottom plate A, on left plate A and right plate B forward surface
A continuous baffle plate slot is provided with, baffle plate slot is plugged with relative with push rod in the axial direction of push rod, baffle plate slot
Baffle plate, baffle plate is arranged with main spring towards the lead coaxial with push rod is vertically installed with the face of push rod on the lead,
One end of the push rod towards baffle plate is axially arranged a pilot hole being engaged with main spring, the main spring back to baffle plate one
In end insertion pilot hole, the passing channel passed through for signal wire is formed between baffle plate and the end plate D, the passing channel
Upper end is relative with the binding post on pcb board.
As a kind of preferable scheme, the annular embedding of radial dilatation is provided with the hole wall of the push rod mounting hole
Groove, the annular protrusion of radial contraction is provided with annular caulking groove, is provided with the outer wall of the dust ring and annular protrusion matches
The annular groove of conjunction, the dust ring i.e. be arranged on the annular caulking groove in, the push rod is plugged in dust ring, dust ring Inner edge with
Push rod outer wall elasticity contradicts.
As a kind of preferable scheme, the dust ring includes cylindrical shape circle body, enclose on the madial wall of body axially according to
Secondary to be provided with two bulge loops, the internal diameter of two bulge loops is consistent, respectively less than the external diameter of push rod, two bulge loops into ratchet-like, bulge loop it is interior
Ring deviation push rod outer end, one end inside spread configuration of the bulge loop from circle body close to push rod outer end.
As a kind of preferable scheme, handle is dialled in the commutation includes the rotating shaft that a rotation is plugged in annular slot, turns
The top of axle is provided with the driving lever radially extended to side, and driving lever is swung in hole outside stretching housing from handle is dialled, and the rotating shaft is with dialling
A platen corresponding with the commutating circuit on pcb board is provided with the relative opposite side side wall of bar, platen is set on lower surface
Commutation reed is equipped with, two switching contacts downwardly convex, for connecting commutating circuit is provided with the reed that commutates, stirs housing
Outer driving lever, makes rotating shaft be rotated along central shaft, drives platen to swing, and commutation reed is changed and the commutating circuit on pcb board
Contact position, realize commutation.
As a kind of preferable scheme, the annular socket center is coaxially arranged with a locating dowel upwardly extended, institute
State rotating shaft lower end and offer the positioning hole being engaged with locating dowel.
As a kind of preferable scheme, the push rod is abreast arranged on below pcb board, is provided with and is opened on the push rod
The cunning pawl of closed circuit Elastic Contact, by the axial movement of push rod, drive sliding pawl to be moved on pcb board, realize the opening and closing of circuit.
As a kind of preferable scheme, the left plate A, right plate A outer wall on be respectively arranged with snap fit A；The left side
Side plate B, right plate B lower edge are respectively arranged with the buckle B for corresponding and being engaged with snap fit A；The left plate B, right side
Snap fit B is respectively arranged with plate B outer wall, the left plate C, right plate C lower edge are respectively arranged with to be corresponded with snap fit B
And the buckle C to cooperate；The front end of the left plate D is respectively arranged with the buckle D of side plate A, left plate C extension to the left, institute
State and corresponding with buckle D and mutually clamping snap fit A is provided with left plate A outer walls, be provided with and buckle D on left plate C outer walls
Corresponding and mutually clamping snap fit D, the right plate D front end are respectively arranged with the buckle of side plate A, right plate C extension to the right
D, corresponding with buckle D and mutually clamping snap fit A is provided with the right plate A outer walls, is provided with and blocks on right plate C outer walls
Detain the snap fit D of the corresponding and mutual clampings of D.
The beneficial effects of the invention are as follows：Enclosure interior is divided into mutually isolated commutation chamber and opening and closing using pcb board
Chamber, and eliminate dust by flexible wiper seal between push rod and housing from handle is dialled and swing hole and push rod
Mounting hole enters the passage of opening and closing chamber, and signal wire connecting hole be located at housing lower section, but with signal wire tight fit, it is therefore grey
Dirt is also difficult to enter in opening and closing chamber by signal wire connecting hole, so as to being opened and closed circuit isolation, prevent from being opened and closed circuit dust
Being affected by dust causes failure, extends the service life of switch.
Brief description of the drawings
Fig. 1 is the explosive view of the present invention；
Fig. 2 is the dimensional structure diagram of the base in Fig. 1；
Fig. 3 is the dimensional structure diagram of the middle pedestal in Fig. 1；
Fig. 4 is the dimensional structure diagram of the upper lid in Fig. 1；
Fig. 5 is the dimensional structure diagram of the bonnet in Fig. 1；
Fig. 6 is the dimensional structure diagram of the commutation group handle in Fig. 1；
Fig. 7 is the assembling structure sectional view of switch of the present invention；
Fig. 8 is the sectional view of the dust ring in Fig. 1.
In Fig. 1~Fig. 8：1st, housing, 101, base, 1011, bottom plate A, 1012, front end-plate A, 1013, left plate A, 1014,
Right plate A, 1015, push rod locating piece A, 1016, semi-circular groove A, 1017, snap fit A, 102, middle pedestal, 1021, left plate B,
1022nd, front end-plate B, 1023, right plate, 1024, panel B, 1025, annular slot, 1026, semicircle baffle ring, 1027, push rod it is fixed
Position block B, 1028, semi-circular groove B, 1029, buckle B, 10210, snap fit B, 103, upper lid, 1031, panel C, 1032, left plate C,
1033rd, left plate C, 1034, buckle C, 1035, snap fit C, 104, bonnet, 1041, end plate D, 1042, panel D, 1043, left side
Plate D, 1044, right plate D, 1045, buckle D, 2, push rod mounting hole, 3, dial handle and swing hole, 4, signal wire connecting hole, 5, push rod,
6th, handle is dialled in commutation, and 601, rotating shaft, 602, driving lever, 603, platen, 604, commutation reed, 605, positioning hole, 7, pcb board, 8, commutation
Chamber, 9, opening and closing chamber, 10, dust ring, 1001, circle body, 1002, bulge loop, 11, signal wire, 12, crossed beam trunking, 13, straight trough,
14th, baffle plate slot, 15, baffle plate, 16, lead, 17, main spring, 18, pilot hole, 19, passing channel, 20, annular caulking groove, 21,
Locating dowel, 22, button, 23, sliding pawl, 24, annular protrusion, 25, annular groove.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiments of the present invention are described in detail.
A kind of brushless signal dc switch as shown in Figure 1, Figure 7 shows, including housing 1, push rod mounting hole is provided with housing 1
2nd, dial handle and swing hole 3 and signal wire connecting hole 4, push rod 5 is plugged with push rod mounting hole 2, dial and be provided with handle swing hole 3
Handle 6 is dialled in commutation, and pcb board 7 is provided with housing 1, and the side of pcb board is provided with opening and closing circuit, and opposite side is provided with commutating circuit,
Its end set has binding post, and the push rod 5 is used for the opening and closing for controlling opening and closing circuit, and the commutation is dialled handle 6 and changed for control
Commutation to circuit, the inside division of housing 1 into mutually isolated commutation chamber 8 and is opened and closed chamber 9 by the pcb board 7, described to push away
In the insertion opening and closing chamber 9 of bar 5, sealed between push rod 5 and housing 1 by flexible dust ring 10, the commutation is dialled handle 6 and inserted
Enter to commutate in chamber 8, the opening and closing circuit direction opening and closing chamber 9 on the pcb board, commutating circuit direction commutation chamber 8, the letter
Number line connecting hole 4 is opened in the bottom of housing 1, signal wire connecting hole 4 and the tight fit of signal wire 11.
The inner space of housing 1 is divided into mutually isolated commutation chamber 8 and opening and closing chamber 9 using pcb board 7, and pushed away
Sealed between bar 5 and housing 1 by flexible dust ring 10, eliminate dust from handle is dialled and swing hole 3 and push rod mounting hole 2
Into the passage of opening and closing chamber 9, and signal wire connecting hole 4 be located at below housing 1, but with the tight fit of signal wire 11, it is therefore grey
Dirt is also difficult to enter in opening and closing chamber 9 by signal wire connecting hole 4, so as to which with being opened and closed circuit isolation, dust is prevented into opening and closing electricity
Road, which is affected by dust, causes failure, extends the service life of switch.
As shown in figure 1, the housing 1 includes base 101, the surface of base 101 is connected with middle pedestal 102, middle pedestal
102 surface is connected with lid 103, and the dead astern of the base 101, middle pedestal 102 and upper lid 103 is connected with one jointly
Bonnet 104；
Wherein, as shown in Fig. 2 base 101 includes bottom plate A1011, bottom plate A1011 front end, left side, right side edge difference
The front end-plate A1012 upwardly extended, left plate A1013 and right plate A1014 are provided with, on front end-plate A1012 leading flank
Push rod locating piece A1015 is fixedly connected with, push rod locating piece A1015 upper surface and front end-plate A1012 upper surface are set jointly
Semi-circular groove A1016 is equipped with, the snap fit of outwardly convex is respectively arranged with the left and right sidewall of the push rod locating piece A1015
A1017, several crossed beam trunkings 12 being engaged with signal wire 11 are provided with the rear end end face of the bottom plate A1011；
As shown in figure 3, middle pedestal 102 includes left plate B1021 that is vertically arranged and being sequentially connected, front end-plate B1022, the right side
On the side plate B1023 and panel B1024 for being connected to front side board B1022 upper ends and horizontal forward extension, panel B1024 upper surface
The annular slot 1025 that handle 6 is dialled for being pivotally connected commutation is provided with, it is convex vertically upward that the annular front of slot 1025 is coaxially arranged with one
The semicircle baffle ring 1026 risen, push rod locating piece B1027, push rod locating piece are fixedly connected with front end-plate B1022 leading flank
B1027 upper end extends upwardly to connect with panel B1024, under push rod locating piece B1027 lower surface and front end-plate B1022
Edge flushes, and push rod locating piece B1027 lower surface and front end-plate B1022 lower edge are provided with semi-circular groove B1028, institute jointly
State be respectively arranged with push rod locating piece B1027 left and right sidewall extend downwardly and with the one-to-one buckles of snap fit A1017
B1029, the left and right sides top of the push rod locating piece B1027 are respectively arranged with snap fit B10210；
As shown in figure 4, the upper lid 103 includes the panel C1031 relative with bottom plate A1011, along panel C1031 left and right
On the left plate C1032 and right plate C1033, the left plate C1032 and right plate C1033 that both sides of the edge extend downwardly respectively
Be provided with extend downwardly and with the one-to-one buckle C1034 of snap fit B10210；
The left plate A1013 and left plate B1021, right plate A1014 and right plate B1023, front end-plate A1012 is with before
End plate B1022 is docked by the lower in form of rabbeted butt joint respectively, the push rod locating piece A1015 and push rod locating piece B1027
By one-to-one buckle B1029 and snap fit A1017 clampings, the semi-circular groove A1016 docks shape with semi-circular groove B1028
Into push rod mounting hole 2；
The left plate C1032 and left plate B1021, right plate C1033 and right plate B1023 pass through rabbeted butt joint respectively
It is lower in form dock, buckle C1034 and snap fit B10210 clampings, the semicircle baffle ring 1026 be located at panel C1031 lower sections,
Formed between panel C1031 and semicircle baffle ring 1026 and dial handle swing hole 3；
As shown in fig. 6, the bonnet 104 includes the end plate D1041 being oppositely arranged with front end-plate B1022, along end plate
D1041 upper end, left side and right side is respectively arranged with the panel D1042 extended forward, left plate D1043 and right plate D1044,
The panel D1042 is docked with panel C1031 by the form of rabbeted butt joint, left plate D1043 respectively with left plate A1013,
Left plate B1021, left plate C1032 are docked by the form of rabbeted butt joint, right plate D1043 respectively with right plate A1014, the right side
Side plate B1023, right plate C1033 are docked by the form of rabbeted butt joint；
The crossed beam trunking 12 is relative with end plate D1041, and crossed beam trunking 12 and end plate D1041 forms signal wire connecting hole 4.
Housing 1 is made up of base 101, middle pedestal 102, upper lid 103 and bonnet 104, and mounting means uses rabbeted butt joint,
It is simple in construction, it is easy to connect, and environment protection-type is combined, it is all linked with one another, form good sealing effectiveness, base 101,
Before middle pedestal 102, upper lid 103 and bonnet 104 dock, the oiling at rabbeted butt joint, sealing effectiveness is enabled to more preferably.
Be respectively arranged with the left plate B1021 and right plate B1023 of the middle pedestal 102 opposite face one parallel to
The straight trough 13 of the axial direction of push rod 5, two straight troughs 13 are symmetrical arranged, and between panel B1024 and push rod mounting hole 2, the pcb board
7 left and right sides is plugged in the straight trough 13 of respective side respectively, and above pcb board 7 is commutation chamber, under pcb board
Side is opening and closing chamber, and the commutating circuit is arranged on the upper surface of pcb board 7, and opening and closing circuit is arranged on the lower end of pcb board 7
On face.
As shown in figure 1, the front end of pcb board 7 offsets with front end-plate B1022, or by panel B1024 extend back and with
The front end upper surface of pcb board 7 is overlapping, and the rear end of pcb board 7 offsets with end plate D1041, so that it is guaranteed that pcb board 7 is by housing 1
Inside division is into two mutually isolated cavitys.
Be provided with the rear upper end face of the bottom plate A1011, on left plate A and right plate B forward surface one it is continuous
Baffle plate slot 14, baffle plate slot 14 is plugged with the baffle plate relative with push rod 5 in the axial direction of push rod 5, baffle plate slot 14
15, baffle plate is arranged with main bullet towards the lead 16 coaxial with push rod 5 is vertically installed with the face of push rod 5 on the lead 16
Spring 17, one end of push rod 5 towards the baffle plate is axially arranged the pilot hole 18 being engaged with main spring 17, the main spring 17
Back in one end insertion pilot hole 18 of baffle plate 15, form between the baffle plate 15 and end plate D1041 and pass through for signal wire 11
Passing channel 19, the upper end of the passing channel 19 is relative with the binding post on pcb board 7.
Signal wire 11 in passing channel 19 forms the another road barrier of closing opening and closing chamber 9, it is ensured that dust will not be from
Enter in passing channel 19 in opening and closing chamber 9.
The annular caulking groove 20 of a radial dilatation is provided with the hole wall of the push rod mounting hole 2, is set in annular caulking groove 20
The annular protrusion 24 of radial contraction is equipped with, the annular groove being engaged with annular protrusion 24 is provided with the outer wall of the dust ring 10
25, the dust ring 10 is arranged in the annular caulking groove 20, and the push rod 5 is plugged in dust ring 10, the Inner edge of dust ring 10
Contradicted with the outer wall of push rod 5 elasticity.
Above-mentioned dust ring 10 is fixedly installed in push rod mounting hole 2, passes through annular caulking groove 20, the annular protrusion of mutual cooperation
24 and annular groove 25 closely connect, limit its axial movement, it is ensured that the sealing of dust ring 10 and push rod 5 coordinates.
As shown in figure 8, the dust ring 10 includes cylindrical shape circle body 1001, enclose on the madial wall of body 1001 axially according to
Secondary to be provided with two bulge loops 1002, the internal diameter of two bulge loops 1002 is consistent, respectively less than the external diameter of push rod 5, and two bulge loops 1002 are into spine
Dentation, inner ring deviation push rod 5 outer end of bulge loop 1002, bulge loop 1002 are inside close to one end of the outer end of push rod 5 from body 1001 is enclosed
Spread configuration.
Biconvex ring structure, further strengthen dust-proof power 10 and the sealing effectiveness of push rod 5, prevent dust from push rod mounting hole 2
Place enters in opening and closing chamber 9.
As shown in Fig. 1, Fig. 6 and Fig. 7, the commutation is dialled handle 6 and is plugged on including a rotation in annular slot 1025
Rotating shaft 601, the top of rotating shaft 601 are provided with the driving lever 602 radially extended to side, and driving lever 602 is swung in hole 3 from group handle to be stretched out
Outside housing 1, one and the commutating circuit on pcb board 7 are provided with the rotating shaft 601 opposite side side wall relative with driving lever 602
Corresponding platen 603, commutation reed 604 is provided with the lower surface of platen 603, two are provided with the reed 604 that commutates downwards
The raised, switching contact for connecting commutating circuit, stirs the driving lever 602 outside housing 1, rotating shaft 601 is rotated along central shaft,
Drive platen 603 to swing, commutation reed 604 is changed the contact position with the commutating circuit on pcb board, realize commutation.
The semicircle baffle ring 1026 is blocked in the periphery of rotating shaft 601, the both sides of semicircle baffle ring 1026 respectively with upper lid
103 left plate C1032, right plate C1033 inwall contradict, and prevent dust from entering in commutation chamber 8.
Preferably, the gap between the driving lever 602 and semicircle baffle ring 1026 is not more than 0.1mm, the driving lever 602 with
Gap between panel C1031 is not more than 0.1mm, so can ensure that flexibly stirring for handle 6 is dialled in commutation, can prevent dust from entering again
Commutate chamber.
The central coaxial of annular slot 1025 is provided with a locating dowel upwardly extended 21, the lower end of rotating shaft 601
Offer the positioning hole 605 being engaged with locating dowel 21.
Locating dowel 21 coordinates with positioning hole 605, improves the fixed effect that handle 6 is dialled in commutation.
The push rod 5 is abreast arranged on the lower section of pcb board 7, is provided with the push rod 5 and opening and closing circuit Elastic Contact
Sliding pawl 23, by the axial movement of push rod 5, drive sliding pawl 23 to be moved on pcb board 7, realize the opening and closing of circuit.
Slided using sliding pawl 23 on pcb board 7 to realize the opening and closing of circuit, electricity is realized than conventionally employed dynamic and static tactile group
The opening and closing on road has more stability, it can be ensured that electric tool steady operation under macroseism state, eliminates showing for opening and closing circuit flash
As.
As described in Fig. 1~Fig. 5 snap fit A1017 is respectively arranged with left plate A1013, right plate A1014 outer wall；It is described
Left plate B1021, right plate B1023 lower edge are respectively arranged with the buckle for corresponding and being engaged with snap fit A1017
B1029；The left plate B1021, right plate B1023 outer wall on be respectively arranged with snap fit B10210, the left plate
C1032, right plate C1033 lower edge are respectively arranged with the buckle C1034 for corresponding and cooperating with snap fit B10210；Institute
The front end for stating left plate D1043 is respectively arranged with the buckle D of side plate A1013, left plate C1032 extension to the left, the left plate
Corresponding with buckle D1045 and mutually clamping snap fit A1017 is provided with A1013 outer walls, is provided with left plate C1032 outer walls
Corresponding with buckle D1045 and mutually clamping snap fit D1045, the front end of the right plate D1044 is respectively arranged with side plate to the right
The buckle D1045 of A1014, right plate C1033 extension, be provided with the right plate A1014 outer walls it is corresponding with buckle D1045 and
The snap fit A1017 of mutual clamping, the snap fit of corresponding with buckle D1045 and mutual clamping is provided with right plate C1033 outer walls
D1045。
On the basis of tongue and groove connected mode is docked, increase the docking mode of buckle and snap fit, further improve bottom
Seat 101, middle pedestal 102, the connectivity robustness and precision of upper lid 103 and bonnet 104, further improve the sealing of housing 1
Effect, prevent dust from entering from the seam crossing of housing 1 inside housing 1.
The principle and its effect of above-described embodiment only illustrative the invention, and the embodiment that part uses,
Not for the limitation present invention；It should be pointed out that for the person of ordinary skill of the art, the invention structure is not being departed from
On the premise of think of, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (10)
1. a kind of brushless signal dc switch, including housing (1), push rod mounting hole (2) is provided with housing (1), handle is dialled and swings
Hole (3) and signal wire connecting hole (4), push rod mounting hole (2) is interior to be plugged with push rod (5), dials and is provided with handle swing hole (3)
Handle (6) is dialled in commutation, is provided with pcb board (7) in housing (1), the side of pcb board is provided with opening and closing circuit, and opposite side, which is provided with, to be changed
To circuit, its end set has binding post, and the push rod (5) is used for the opening and closing for controlling opening and closing circuit, and handle (6) is dialled in the commutation
For controlling the commutation of commutating circuit, it is characterised in that the pcb board (7) changes housing (1) inside division into mutually isolated
To chamber (8) and opening and closing chamber (9), in push rod (5) the insertion opening and closing chamber (9), pass through between push rod (5) and housing (1)
Flexible dust ring (10) sealing, the commutation are dialled in handle (6) insertion commutation chamber (8), the opening and closing electricity on the pcb board
Road is opened in housing (1) bottom towards opening and closing chamber (9), commutating circuit towards commutation chamber (8), the signal wire connecting hole (4)
Portion, signal wire connecting hole (4) and signal wire (11) tight fit.
2. a kind of brushless signal dc switch according to claim 1, it is characterised in that the housing (1) includes base
(101) middle pedestal (102), is connected with directly over base (101), lid (103) is connected with directly over middle pedestal (102),
The dead astern of the base (101), middle pedestal (102) and upper lid (103) is connected with a bonnet (104) jointly；
Wherein, base (101) include bottom plate A (1011), bottom plate A (1011) front end, left side, right side edge be respectively arranged with to
Front end-plate A (1012), left plate A (1013) and the right plate A (1014) of upper extension, on front end-plate A (1012) leading flank
It is fixedly connected with push rod locating piece A (1015), push rod locating piece A (1015) upper surface and front end-plate A (1012) upper surface
Semi-circular groove A (1016) is provided with jointly, and outwardly convex is respectively arranged with the left and right sidewall of the push rod locating piece A (1015)
Snap fit A (1017), be provided with that several are engaged with signal wire (11) on the rear end end face of the bottom plate A (1011) crosses line
Groove (12)；
Middle pedestal (102) includes left plate B (1021), front end-plate B (1022), right plate B vertically arranged and be sequentially connected
(1023) the panel B (1024) of front side board B (1022) upper ends and horizontal forward extension, panel B (1024) upper end are connected to and
The annular slot (1025) that handle (6) is dialled for being pivotally connected commutation is provided with face, one is coaxially arranged with front of annular slot (1025)
Semicircle baffle ring (1026) raised vertically upward, push rod locating piece B is fixedly connected with front end-plate B (1022) leading flank
(1027), push rod locating piece B (1027) upper end extends upwardly to connects with panel B (1024), push rod locating piece B's (1027)
Lower surface flushes with the lower edge of front end-plate B (1022), and push rod locating piece B (1027) lower surface is with front end-plate B's (1022)
Lower edge is provided with semi-circular groove B (1028) jointly, is respectively arranged with the left and right sidewall of the push rod locating piece B (1027) downwards
Extension and with the one-to-one buckle B (1029) of snap fit A (1017), the left and right sides top of the push rod locating piece B (1027)
It is respectively arranged with snap fit B (10210)；
The upper lid (103) includes the panel C (1031) relative with bottom plate A (1011), along the left and right sides of panel C (1031)
Divide on the left plate C (1032) and right plate C (1033) that edge extends downwardly, the left plate C (1032) and right plate C (1033)
Be not provided with extend downwardly and with the one-to-one buckle C (1034) of snap fit B (10210)；
The left plate A (1013) and left plate B (1021), right plate A (1014) and right plate B (1023), front end-plate A
(1012) with front end-plate B (1022) respectively by rabbeted butt joint in form under dock, the push rod locating piece A (1015) is with pushing away
Bar locating piece B (1027) passes through one-to-one buckle B (1029) and snap fit A (1017) clamping, the semi-circular groove A (1016)
Dock to form push rod mounting hole (2) with semi-circular groove B (1028)；
The left plate C (1032) passes through tongue and groove respectively with left plate B (1021), right plate C (1033) and right plate B (1023)
The lower in form of docking docks, and buckle C (1034) and snap fit B (10210) clamping, the semicircle baffle ring (1026) are located at panel
Formed below C (1031), between panel C (1031) and semicircle baffle ring (1026) and dial handle swing hole (3)；
The bonnet (104) includes the end plate D (1041) being oppositely arranged with front end-plate B (1022), along end plate D's (1041)
Upper end, left side and right side are respectively arranged with the panel D (1042) extended forward, left plate D (1043) and right plate D (1044),
The panel D (1042) is docked with panel C (1031) by the form of rabbeted butt joint, left plate D (1043) respectively with left plate A
(1013), left plate B (1021), left plate C (1032) are docked by the form of rabbeted butt joint, right plate D (1043) respectively with
Right plate A (1014), right plate B (1023), right plate C (1033) are docked by the form of rabbeted butt joint；
With end plate D (1041) relatively, crossed beam trunking (12) forms signal wire with end plate D (1041) and is connected the crossed beam trunking (12)
Hole (4).
A kind of 3. brushless signal dc switch according to claim 2 a, it is characterised in that left side for the middle pedestal (102)
A straight trough parallel to push rod (5) axial direction is respectively arranged with face opposite side plate B (1021) and right plate B (1023)
(13), two straight troughs (13) are symmetrical arranged, and between panel B (1024) and push rod mounting hole (2), a left side for the pcb board (7)
Right both sides are plugged in the straight trough (13) of respective side respectively, and above pcb board (7) is commutation chamber, below pcb board
Be opening and closing chamber, the commutating circuit is arranged on the upper surface of pcb board (7), and opening and closing circuit is arranged under pcb board (7)
On end face.
4. a kind of brushless signal dc switch according to claim 3, it is characterised in that after the bottom plate A (1011)
A continuous baffle plate slot (14), baffle plate slot are provided with portion upper surface, on left plate A and right plate B forward surface
(14) it is plugged with the axial direction of push rod (5), baffle plate slot (14) and the relative baffle plate (15) of push rod (5), baffle plate direction
The lead (16) coaxial with push rod (5) is vertically installed with the face of push rod (5), main spring is arranged with the lead (16)
(17), the push rod (5) axially arranged has the pilot hole (18) that is engaged with main spring (17), the master towards one end of baffle plate
One end insertion pilot hole (18) of spring (17) back to baffle plate (15) is interior, structure between the baffle plate (15) and end plate D (1041)
Into the passing channel (19) passed through for signal wire (11), upper end and the binding post on pcb board (7) of the passing channel (19)
Relatively.
5. brushless signal dc switch according to claim 1, it is characterised in that the hole wall of the push rod mounting hole (2)
On be provided with the annular caulking groove (20) of a radial dilatation, the annular protrusion of radial contraction is provided with annular caulking groove (20)
(24) annular groove (25) being engaged with annular protrusion (24), the dust ring, are provided with the outer wall of the dust ring (10)
(10) it is arranged in the annular caulking groove (20), the push rod (5) is plugged in dust ring (10), and dust ring (10) Inner edge are with pushing away
Bar (5) outer wall elasticity contradicts.
6. brushless signal dc switch according to claim 5, it is characterised in that the dust ring (10) includes cylindrical shape
Body (1001) is enclosed, two bulge loops (1002), two bulge loops (1002) are axially disposed with the madial wall of circle body (1001)
Internal diameter it is consistent, the respectively less than external diameter of push rod (5), two bulge loops (1002) push away into ratchet-like, the inner ring deviation of bulge loop (1002)
Bar (5) outer end, one end inside spread configuration of the bulge loop (1002) from circle body (1001) close to push rod (5) outer end.
7. brushless signal dc switch according to claim 2, it is characterised in that handle (6) is dialled in the commutation includes one
Rotation is plugged on the rotating shaft (601) in annular slot (1025), and the top of rotating shaft (601) is provided with radially dials to what side extended
Bar (602), driving lever (602) swing hole (3) middle stretching housing (1) outside from handle is dialled, and the rotating shaft (601) is relative with driving lever (602)
Opposite side side wall on be provided with a platen (603) corresponding with the commutating circuit on pcb board (7), platen (603) lower end
Commutation reed (604) is provided with face, be provided with commutation reed (604) two it is downwardly convex, for connecting commutating circuit
Switching contact, the driving lever (602) of housing (1) outside is stirred, rotating shaft (601) is rotated along central shaft, drive platen (603) pendulum
It is dynamic, commutation reed (604) is changed the contact position with the commutating circuit on pcb board, realize commutation.
8. brushless signal dc switch according to claim 7, it is characterised in that annular slot (1025) center is same
Axle is provided with a locating dowel upwardly extended (21), and rotating shaft (601) lower end offers what is be engaged with locating dowel (21)
Positioning hole (605).
9. brushless signal dc switch according to claim 3, it is characterised in that the push rod (5) is abreast arranged on
Below pcb board (7), the cunning pawl (23) with opening and closing circuit Elastic Contact is provided with the push rod (5), passes through the axle of push rod (5)
To motion, drive sliding pawl (23) to be moved on pcb board (7), realize the opening and closing of circuit.
10. brushless signal dc switch according to claim 2, it is characterised in that the left plate A (1013), right side
Snap fit A (1017) is respectively arranged with plate A (1014) outer wall；The left plate B (1021), right plate B (1023) lower edge
It is respectively arranged with the buckle B (1029) for corresponding and being engaged with snap fit A (1017)；The left plate B (1021), right plate
Snap fit B (10210), the left plate C (1032), right plate C (1033) lower edge point are respectively arranged with B (1023) outer wall
The buckle C (1034) for corresponding and cooperating with snap fit B (10210) is not provided with；The front end of the left plate D (1043)
The buckle D of side plate A (1013), left plate C (1032) extension to the left is respectively arranged with, is set on left plate A (1013) outer wall
Corresponding with buckle D (1045) and mutually clamping snap fit A (1017) is equipped with, is provided with and buckle D on left plate C (1032) outer wall
(1045) corresponding and mutually clamping snap fit D (1045), the front end of the right plate D (1044) is respectively arranged with side plate A to the right
(1014), the buckle D (1045) of right plate C (1033) extensions, is provided with and buckle D on right plate A (1014) outer wall
(1045) corresponding and mutually clamping snap fit A (1017), it is provided with right plate C (1033) outer wall corresponding with buckle D (1045)
And the mutually snap fit D (1045) of clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895687.3A CN107591260B (en) | 2017-09-28 | 2017-09-28 | Brushless signal direct current switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895687.3A CN107591260B (en) | 2017-09-28 | 2017-09-28 | Brushless signal direct current switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107591260A true CN107591260A (en) | 2018-01-16 |
| CN107591260B CN107591260B (en) | 2020-04-14 |
Family
ID=61047929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710895687.3A Active CN107591260B (en) | 2017-09-28 | 2017-09-28 | Brushless signal direct current switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107591260B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115274327A (en) * | 2022-09-19 | 2022-11-01 | 苏州华之杰电讯股份有限公司 | Reversing shifting handle mounting structure applied to linear sliding contact type reversing switch |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060102111A1 (en) * | 2004-11-16 | 2006-05-18 | Yasuki Ohmori | Combustion-type power tool |
| CN203118792U (en) * | 2013-04-03 | 2013-08-07 | 苏州华之杰电讯有限公司 | Switch in electric tool |
| CN203590086U (en) * | 2013-12-17 | 2014-05-07 | 永康市法得电器有限公司 | Direct-current brushless switch commutation control device |
| CN203659668U (en) * | 2013-12-18 | 2014-06-18 | 上海拜骋电器有限公司 | Electric tool switch |
| CN204480923U (en) * | 2014-12-31 | 2015-07-15 | 马夸特开关(上海)有限公司 | The direct current electric power tools switch of high dustproof and waterproof performance |
| CN106452219A (en) * | 2016-11-08 | 2017-02-22 | 上海拜骋电器有限公司 | Direct-current brushless switch |
| DE102015113949A1 (en) * | 2015-08-21 | 2017-02-23 | Elrad International D.O.O. | Switch for an electrical appliance |
| CN207338177U (en) * | 2017-09-28 | 2018-05-08 | 苏州华之杰电讯股份有限公司 | A kind of brushless signal dc switch |
-
2017
- 2017-09-28 CN CN201710895687.3A patent/CN107591260B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060102111A1 (en) * | 2004-11-16 | 2006-05-18 | Yasuki Ohmori | Combustion-type power tool |
| CN203118792U (en) * | 2013-04-03 | 2013-08-07 | 苏州华之杰电讯有限公司 | Switch in electric tool |
| CN203590086U (en) * | 2013-12-17 | 2014-05-07 | 永康市法得电器有限公司 | Direct-current brushless switch commutation control device |
| CN203659668U (en) * | 2013-12-18 | 2014-06-18 | 上海拜骋电器有限公司 | Electric tool switch |
| CN204480923U (en) * | 2014-12-31 | 2015-07-15 | 马夸特开关(上海)有限公司 | The direct current electric power tools switch of high dustproof and waterproof performance |
| DE102015113949A1 (en) * | 2015-08-21 | 2017-02-23 | Elrad International D.O.O. | Switch for an electrical appliance |
| CN106452219A (en) * | 2016-11-08 | 2017-02-22 | 上海拜骋电器有限公司 | Direct-current brushless switch |
| CN207338177U (en) * | 2017-09-28 | 2018-05-08 | 苏州华之杰电讯股份有限公司 | A kind of brushless signal dc switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115274327A (en) * | 2022-09-19 | 2022-11-01 | 苏州华之杰电讯股份有限公司 | Reversing shifting handle mounting structure applied to linear sliding contact type reversing switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107591260B (en) | 2020-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103474826A (en) | Waterproof and anti-electric shock socket and function module thereof | |
| CN207338177U (en) | A kind of brushless signal dc switch | |
| CN107591260A (en) | A kind of brushless signal dc switch | |
| CN206714714U (en) | Intelligent sweeping water tank outlet controlling system | |
| CN204523299U (en) | A kind of button-switched sprinkler | |
| CN103485134A (en) | Washing machine and spray nozzle body assembly thereof | |
| CN212004390U (en) | Electric switching valve | |
| CN202158224U (en) | Automatic returning/reversing plastic ceramic valve core | |
| CN206655986U (en) | Magnetic keeps fuel oil change valve | |
| CN208240572U (en) | A kind of aviation D.C. contactor | |
| CN105937120B (en) | Washing machine | |
| CN206034110U (en) | Washing machine | |
| CN109578361A (en) | A kind of Novel threaded plug-in rotation is straight to drive electrohydraulic servo valve | |
| CN201909098U (en) | Cam quick-opening valve | |
| CN208753203U (en) | A kind of waterproof construction of rotary switch | |
| CN204420187U (en) | A kind of shower | |
| CN205514020U (en) | Steam port sealing washer and contain its electric rice cooker top cap and electric rice cooker | |
| CN207558631U (en) | A kind of switch | |
| CN203737446U (en) | Balance wheel type water outlet switching mechanism | |
| CN207378189U (en) | A kind of button switches flow controller | |
| CN208146247U (en) | A kind of shower with flow control | |
| CN104565434A (en) | Bathing device | |
| CN201575198U (en) | Rotary-tube type waterway switch valve | |
| CN206189092U (en) | Rotary drum washing machine | |
| CN201841064U (en) | Rocker control shower head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |