CN209232646U - A kind of rotary switch - Google Patents

Abstract

The utility model discloses a kind of rotary switches, including pedestal, middle seat, upper jacket and knob assembly, contact mechanism and multiple terminal structures are installed in pedestal, the terminal structure includes the connecting groove for being set to pedestal, with the elastic piece structure being fixed in connecting groove, the elastic piece structure includes that bending is connected on static contact and the crimping end of compression elastic deflection, when conducting wire penetrates connecting groove and is pressed through the crimping end, the crimping end applies the biasing force being resisted against between static contact and elastic piece structure to conducting wire, using the technical program, conducting wire is realized in connecting groove by the elastic acting force of elastic piece structure and is quickly plugged and fixed, structure is simple, reduce occupied space, have the function that reduce small product size, and entire wiring process is without any external tool, patching operations are convenient and efficient, elastic piece structure also without appoint Outside, safety is good for what partial denudation, improves wiring installation effectiveness, reduces manufacturing cost.

Description

A kind of rotary switch

Technical field

The utility model relates to switching equipment technologies, and in particular to a kind of rotary switch.

Background technique

Rotary switch refers to be acted using knob rotation drive transmission device, is switched on or switched off movable contact and stationary contact simultaneously Realize the electric switch of circuit conversion.In electric automatic control circuit, for manually issue control signal with control contactor, Relay, electromagnetic starter etc..

Universal common rotary switch on the market, is mainly made of shell, middle seat, contact base, middle seat plays connection shell The effect of body and contact base is provided with knob and transmission mechanism on shell, and contact is provided in contact base and is supported and multiple groups Normally opened and normally closed dynamic and static contact, and for multiple connection terminal structures of connecting wire, the terminals of existing rotary switch Minor structure is made of binding post and fastening screw, and needs to be installed in the mounting groove opened up in contact base, then Conducting wire is penetrated into binding post, then fixes conducting wire by screwing fastening screw, thereby realizes the line of rotary switch Road connection, but there are still following problems in practical applications for this mode of connection: and 1. binding posts and fastening screw are in rotary switch In occupied installation space it is big, and multiple connection terminal structures, which are arranged, certainly will will increase small product size, and components sum is more, makes Make it is at high cost, especially screw be easy falls and loses from binding post, to influence patching operations；2. screw is needed by outer Portion's tool is just able to achieve the tightening operation to conducting wire, and wiring process is cumbersome, time-consuming and laborious, and bolt portion is exposed outside, peace Full property is poor.

Utility model content

Therefore, the technical problems to be solved in the utility model overcome in the prior art rotary switch using binding post and tight Gu installation space occupied by the mode of connection of screw is big, increasing small product size and bolt portion is exposed outside, safety is poor, And need just to be able to achieve patching operations by external tool, wiring is cumbersome and time-consuming and laborious, the high problem of manufacturing cost.

In order to solve the above technical problems, the utility model provides a kind of rotary switch, including be coupled pedestal, in Seat, upper jacket and rotational installation in be equipped in the knob assembly of the upper jacket, the pedestal contact mechanism and connection institute Multiple terminal structures of contact mechanism are stated, the knob assembly drives moving contact and static contact contact in the contact mechanism Or disconnect, the terminal structure includes the connecting groove for being set to the pedestal, and the elastic slice knot being fixed in the connecting groove Structure, the elastic piece structure include the crimping end that bending is connected to that on the static contact and compression is resiliently deflectable, are penetrated in conducting wire When the connecting groove is pressed through the crimping end, the crimping end is resisted against the static contact and described to conducting wire application Biasing force between elastic piece structure.

As a preferred embodiment, the elastic piece structure is the metal spring leaf in hook solid comprising relative to the pressure The extended installation end of line end, the installation end are fixed on the wiring trench bottom by pressing plate.

As a preferred embodiment, the connecting groove includes being arranged on the base side and the conducting wire being suitble to pass through Wiring hole, the aperture of the wiring hole is gradually reduced towards crimping end side.

As a preferred embodiment, point that the wiring hole is separated into two Wiring ports is provided in the wiring hole Partition, the demarcation plate extend towards crimping end side.

As a preferred embodiment, the elastic piece structure is set to below the static contact, the static contact bottom interval Multiple linear grooves are disposed with, the end abutment at the crimping end is between multiple linear grooves.

As a preferred embodiment, there is the central through hole for being suitable for installing the upper jacket, the middle seat on the middle seat Inside forms the slot for connecting the central through hole, is provided in the slot for keeping the upper jacket and the middle seat The fixed snap part of installation site.

As a preferred embodiment, the snap part include be arranged in the slot and compression elastically deformable two A elasticity arms, and be oppositely arranged in two elastic arms and protrude into the buckle protrusion of the central through hole, it is described on The notch with the buckle male cooperation clamping is provided in the outer circumferential walls of sheath.

As a preferred embodiment, guide frame, the guiding knot are provided between the snap part and the middle seat Structure includes the guide post set up separately two elastic arms bottom surfaces, and two guide grooves of the slot bottom, two institutes are arranged in The one end for stating guide groove is extending vertically into the spigot of the slot, and the other end is bent towards the middle seat two sides sidewall direction respectively Extend, two elastic arms reversed expansion action when being slided by the guide post along the guide groove.

As a preferred embodiment, knob assembly includes the knob and shaft that linkage is set in the upper jacket, and By the putter component in axial sliding of upper jacket described in the shaft drives edge, one end of the putter component in the middle seat and It is protruded into when upper jacket is coupled in the central through hole.

As a preferred embodiment, the contact mechanism includes that the contact being movably arranged in the pedestal is supported, described Moving contact is provided at least two groups in contact support, and the static contact correspondence is fixedly installed at least two in the pedestal Group, the top that the contact is supported are protruded into the central through hole and are contacted with putter component cooperation.

The technical solution of the utility model has the advantages that compared with prior art

1. in rotary switch provided by the utility model, terminal structure is connect by being set to the connecting groove of pedestal and being installed on The elastic piece structure of wire casing forms, and elastic piece structure is by being bent the crimping end being connected on static contact come secure wires, when wiring, only Conducting wire need to be penetrated in connecting groove and contact crimping end and force crimping end elastic deflection, so that conducting wire is connect by wearing behind crimping end Between static contact and elastic piece structure, by crimping end biasing force by conducting wire be tightly abutted against between static contact and elastic piece structure with Realize patching operations, design is advantageous in that in this way, and conducting wire is realized fastly by the elastic acting force of elastic piece structure in connecting groove Speed is plugged and fixed, to avoid the mode of connection using traditional wired column and screw, structure is simple, reduces occupied space, reaches The effect of small product size is reduced, cooperation fastening is reliable, and entire wiring process is without any external tool, patching operations Convenient and efficient and time saving and energy saving, elastic piece structure is also exposed outside without any part, and safety is good, improves wiring installation effectiveness, drop Low manufacturing cost promotes product service performance.

2. in rotary switch provided by the utility model, the elastic piece structure is the metal spring leaf in hook solid comprising Relative to the installation end that the crimping end is extended, the metal spring leaf light structure designed in this way, processing and manufacturing is more convenient, With reliable elastic force, installation end is fixed on by wiring trench bottom by pressing plate, guarantees the mounting stability of metal spring leaf, makes Certain angle is deflected relative to installation end when crimping end is by wire squeezes, is penetrated into step down and reserve wiring space for conducting wire Connecting groove it is more internal, while crimping end restore deformation process in compress conducting wire.

3. in rotary switch provided by the utility model, be provided in the wiring hole wiring hole being separated into two The demarcation plate of Wiring port, the demarcation plate extend towards crimping end side, this structure setting, have in a wiring hole Two wiring positions, so that it may wear and be connected to few two conducting wires, and two conducting wires are spaced one from by arrangement by demarcation plate, avoid more Root conducting wire overlaps, and wiring specification is neat, and mounting stability is good.

4. in rotary switch provided by the utility model, when snap part is squeezed by external force into slot, two Elastic arms reversed expansion action when being slided by guide post along guide groove drives two elastic arms to middle seat two sides side wall Direction resilient bias, by release buckle protrusion with the clamping engagement of notch so that upper jacket can be detached from seat, and After the external force that acts on snap part disappears, elastic arms can by natural resiliency deformation power to realize resetting movement, To make buckle protrusion be able to maintain clamping engagement again with notch, compared to traditional spring reset structure, this elasticity is inserted Arm design is more simple, easy for installation, is cooperatively connected reliable.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic perspective view of rotary switch provided by the utility model；

Fig. 2 is the perspective view of the pedestal of the utility model；

Fig. 3 is the side view of the pedestal of the utility model；

Fig. 4 is the planar structure schematic diagram of the middle seat bottom of the utility model；

Fig. 5 is the structural schematic diagram of the snap part of the utility model；

Fig. 6 is the structural schematic diagram of the knob assembly of the utility model；

Description of symbols: 1- pedestal, 11- pressing plate, seat in 2-, 21- central through hole, 22- guide groove, 3- upper jacket, 4- Knob assembly, 41- knob, 42- shaft, 43- putter component, 5- structure of contact terminal, 51- static contact, the support of 52- contact, 6- wiring Slot, 61- wiring hole, 62- demarcation plate, 7- elastic piece structure, 71- crimping end, 72- installation end, 8- snap part, 81- elasticity arms, 82- buckle protrusion, 83- guide post, 84- limit hook.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that term " first ", " second ", " third " are only used for describing Purpose is not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment 1

The present embodiment is specifically described with reference to the accompanying drawing:

The present embodiment provides a kind of rotary switches as shown in figures 1 to 6, including the pedestal 1, middle seat 2, upper jacket 3 being coupled And rotational installation is in being equipped with contact mechanism 5 and connect the contact in the knob assembly 4 of the upper jacket, the pedestal 1 Multiple terminal structures of mechanism 5, the knob assembly 4 drive moving contact in the contact mechanism and the contact of static contact 51 or It disconnects, the terminal structure includes the connecting groove 6 for being set to the pedestal 1, and the elastic slice knot being fixed in the connecting groove 6 Structure 7, the elastic piece structure 7 include the crimping end 71 that bending is connected to that on the static contact 51 and compression is resiliently deflectable, are being led When line penetrates the connecting groove 6 and is pressed through the crimping end 71, the crimping end 72 is resisted against conducting wire application described Biasing force between static contact 51 and the elastic piece structure 7.

Above embodiment is the core technology scheme of the present embodiment, and terminal structure is by being set to the connecting groove 6 of pedestal It is formed with the elastic piece structure 7 for being installed on connecting groove, the crimping end 71 that the elastic piece structure 7 is connected on static contact 51 by bending Carry out secure wires, when wiring, conducting wire need to only be penetrated in connecting groove 6 and contact crimping end and force 71 elastic deflection of crimping end, made Conducting wire is connect between static contact 51 and elastic piece structure 7 by wearing behind crimping end, by the biasing force at crimping end by conducting wire tightly It is resisted against between the static contact 51 and elastic piece structure 7 to realize patching operations, design is advantageous in that in this way, and conducting wire passes through bullet The elastic acting force of chip architecture realizes in connecting groove and is quickly plugged and fixed, to avoid connecing using traditional wired column and screw Line mode, structure is simple, reduces and occupies installation space, has the function that reduce small product size, cooperation fastening is reliable, and entire For wiring process without any external tool, patching operations are convenient and efficient and time saving and energy saving, and elastic piece structure 7 is also without any part Exposed safety is good outside, improves wiring installation effectiveness, reduces manufacturing cost, promotes product service performance.

It is done further preferably according to above embodiment, as shown in Fig. 2, the elastic piece structure 7 is the metal in hook solid Reed comprising relative to the installation end 72 that the crimping end 71 is extended, the installation end 72 is fixed on by pressing plate 11 6 bottom of connecting groove, the metal spring leaf light structure designed in this way, processing and manufacturing is more convenient, has reliable elastic force, Installation end is fixed in connecting groove 6 by pressing plate 11, guarantees the mounting stability of metal spring leaf, can make the crimping end 71 by Certain angle is deflected relative to the installation end 72 when to wire squeezes, is connect to step down to reserve wiring space and penetrate into for conducting wire Wire casing it is more internal, while by the crimping end 71 restore deformation process in compress conducting wire, prevent conducting wire from loosening out connecting groove.

It elaborates below with reference to Fig. 1-3 pairs of specific set-up modes of connecting groove:

The connecting groove 6 includes that the wiring hole 61 on 1 side of pedestal and the conducting wire being suitble to pass through is arranged in, described The aperture of wiring hole 61 is gradually reduced towards 71 side of crimping end, is played installation guiding role, is made leading across wiring hole 61 Line can just touch crimping end, and crimping lead wire is convenient, connect it is further preferred that being provided in the wiring hole 61 by described String holes 61 is separated into the demarcation plate 62 of two Wiring ports, and the demarcation plate 62 extends towards 71 side of crimping end, this knot Structure is arranged, and there are two wiring positions for tool in a wiring hole, so that it may wear and be connected to few two conducting wires, and by demarcation plate by two Conducting wire is spaced one from arrangement, and multiple conducting wires is avoided to overlap, and wiring specification is neat, and mounting stability is good.In the present embodiment In, according to wiring hole size and in the case where meeting wiring quantitative requirement, it is clear that two can also be arranged in wiring hole 61 The above demarcation plate 62 can thus be worn and connect three or more conducting wires, and those skilled in the art can be according to foregoing description to described The specific set-up mode of wiring hole 61 is selected, and is not repeated one by one other equivalent embodiments herein.

It is arranged as a kind of specific structure, the elastic piece structure 7 is set to 51 lower section of static contact, the static contact 51 Bottom interval is disposed with multiple linear grooves, and the end abutment at the crimping end 71 is between multiple linear grooves, in this way So that between the crimping end 71 and static contact 51 keep closely be engaged, thus to wear connect the crimping end 71 with it is quiet Conducting wire between contact has stronger fastening effect, plays anti-loose effect.

In the present embodiment, as illustrated in figures 4-5,2 have the central through hole for being suitable for installing the upper jacket 3 on the middle seat 21, the slot for connecting the central through hole is formed inside the middle seat 2, is provided in the slot for keeping the upper shield The snap part 8 fixed with middle 2 installation site of seat of set 3, specifically, the snap part 8 includes being arranged in the slot In and two of compression elastically deformable elastic arms 81, and be oppositely arranged in two elastic arms 81 and protrude into described The buckle protrusion 82 of central through hole 21, is provided in the outer circumferential walls of the upper jacket 3 and 82 cooperation of buckle protrusion is clamped Notch, this structure setting, two elastic arms 81 clamp upper jacket in opposite directions, pass through buckle protrusion and card slot The cooperation of structure secures the above upper jacket 3, so that upper jacket be prevented to be detached from from the middle seat 2, easy for installation, cooperation is fixed Reliably.

It combines shown in Fig. 4-5 as a preferred implementation manner, is provided with and leads between the snap part and the middle seat To structure, the guide frame includes the guide post 83 set up separately two 81 bottom surfaces of elastic arms, and is arranged at the slot bottom Two guide grooves 22 in portion, one end of two guide grooves 22 are extending vertically into the spigot of the slot, other end difference Extend towards middle 2 two sides sidewall direction of the seat bending, two elastic arms 81 are by the guide post 83 along the guiding Reversed expansion action when slot 22 slides, this structure setting, when snap part 8 is squeezed by external force into slot, two Elastic arms 81 reversed expansion action when being slided by guide post along guide groove drives two elastic arms 81 to 2 liang of middle seat Side sidewall direction resilient bias, by releasing buckle protrusion with the clamping engagement of notch so that upper jacket can be detached from Seat, and after the external force acted on snap part 8 disappears, the elasticity arms 81 can be real by natural resiliency deformation power Existing resetting movement, and by the way that limit hook 84 is arranged in elastic arms to prevent elastic arms from deviating from the slot, to make Buckle protrusion is able to maintain clamping engagement with notch again, and wherein limit hook 84 and buckle protrusion 82 are divided into elastic arms Two sides, compared to traditional spring reset structure, this elasticity arms design is more simple, easy for installation, is cooperatively connected reliable.

It is described in conjunction with shown in Fig. 1 and Fig. 6 in order to reliably realize that the transmission between knob assembly 4 and contact mechanism 5 cooperates Knob assembly 4 includes the knob 41 and shaft 42 that linkage is set in the upper jacket 3, and by the 42 drives edge institute of shaft Putter component 43 in axial sliding of upper jacket 3 are stated, 43 upper end of putter component is provided with multiple surface grooves, the shaft 42 lower ends are equipped with the double wedge that rotation is pressed on the surface groove, and driving inclined-plane slot is when double wedge is rotated with shaft to drive push rod Component is mobile, so that the rotary motion of knob 41 is converted to the linear motion of putter component 43 by shaft, the push rod portion One end of part 43 is protruded into the central through hole when the middle seat and upper jacket are coupled, it is further preferred that the touching Head mechanism 5 includes that the contact being movably arranged in the pedestal 1 supports 52, and the moving contact supports that 52 are provided in the contact At least two groups (do not show moving contact) in figure, the correspondence of static contact 51 is fixedly installed at least two groups in the pedestal, i.e., For the moving contact and static contact of one group of normally closed setting, another group of moving contact and static contact for normally opened setting, wherein the contact Support 52 top is protruded into the central through hole 21 to contact with the putter component 43 cooperation, this structure setting works as push rod When component 41 is moved down by knob driving, contact in the pedestal can be driven to support 52 movements, make normally opened cooperation and often The two groups of moving contacts and static contact for closing cooperation are alternately in contact or off-state.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of rotary switch, including the pedestal (1), middle seat (2), upper jacket (3) and the rotational installation that are coupled in described The knob assembly (4) of upper jacket, the pedestal (1) is interior to be equipped with contact mechanism (5) and connects the multiple of the contact mechanism (5) Terminal structure, the knob assembly (4) drive moving contact and static contact (51) in the contact mechanism to contact or disconnect, Be characterized in that: the terminal structure includes the connecting groove (6) for being set to the pedestal (1), and is fixed on the connecting groove (6) In elastic piece structure (7), the elastic piece structure (7) include bending be connected on the static contact (51) and be pressurized resiliently deflectable Crimping end (71), when conducting wire penetrates the connecting groove (6) and is pressed through crimping end (71), the crimping end (71) is right The conducting wire applies the biasing force being resisted against between the static contact (51) and the elastic piece structure (7).

2. a kind of rotary switch according to claim 1, it is characterised in that: the elastic piece structure (7) is in hook solid Metal spring leaf comprising relative to the installation end (72) that the crimping end (71) is extended, the installation end (72) passes through pressure Plate (11) is fixed on the connecting groove (6) bottom.

3. a kind of rotary switch according to claim 2, it is characterised in that: the connecting groove (6) includes being arranged described On pedestal (1) side and the wiring hole (61) that is suitble to the conducting wire to pass through, the aperture of the wiring hole (61) is towards the crimping end Side is gradually reduced.

4. a kind of rotary switch according to claim 3, it is characterised in that: being provided in the wiring hole (61) will be described Wiring hole is separated into the demarcation plate (62) of two Wiring ports, and the demarcation plate (62) extends towards crimping end (71) side.

5. a kind of rotary switch described in any one of -4 according to claim 1, it is characterised in that: the elastic piece structure (7) sets It is placed in below the static contact (51), static contact (51) bottom interval is disposed with multiple linear grooves, the crimping end (71) end abutment is between multiple linear grooves.

6. a kind of rotary switch according to claim 1, it is characterised in that: have on the middle seat (2) and be suitable for installation institute The central through hole (21) of upper jacket (3) is stated, the slot for connecting the central through hole is formed inside the middle seat (2), it is described to insert The snap part (8) for keeping the upper jacket (3) and middle seat (2) installation site to fix is provided in slot.

7. a kind of rotary switch according to claim 6, it is characterised in that: the snap part (8) includes being arranged in institute It states in slot and two elastic arms (81) of compression elastically deformable, and is oppositely arranged on two elastic arms (81) And the buckle for protruding into the central through hole (21) is raised (82), is provided with and the card in the outer circumferential walls of the upper jacket (3) Detain the notch of raised (82) cooperation clamping.

8. a kind of rotary switch according to claim 7, it is characterised in that: set between the snap part and the middle seat It is equipped with guide frame, the guide frame includes the guide post (83) set up separately two elastic arms (81) bottom surfaces, and setting exists One end of two guide grooves (22) of the slot bottom, two guide grooves (22) is extending vertically into the socket of the slot Place, the other end extend towards middle seat (2) the two sides sidewall direction bending respectively, and two elastic arms (81) are led by described Xiang Zhu (83) reversed expansion action when being slided along the guide groove (22).

9. a kind of rotary switch a method according to any one of claims 6-8, it is characterised in that: knob assembly (4) includes connection The dynamic knob (41) being set in the upper jacket (3) and shaft (42), and by upper jacket (3) described in the shaft drives edge Putter component in axial sliding (43), one end of the putter component (43) is stretched when the middle seat and upper jacket are coupled Enter in the central through hole (21).

10. a kind of rotary switch according to claim 9, it is characterised in that: the contact mechanism (5) includes removable sets The contact set in the pedestal (1) supports (52), and the moving contact supports (52) to be provided at least two groups in the contact, described Static contact (51) is corresponding to be fixedly installed at least two groups in the pedestal (1), and the contact supports the top of (52) to protrude into institute It states in central through hole (21) and is contacted with the putter component (43) cooperation.