CN209071192U - A kind of control switch - Google Patents

Abstract

The utility model discloses a kind of control switches, including ontology, lid, drive rod, button, movable contact spring, leaf spring, and it is successively set on intrinsic first fixed tabs, second fixed tabs and third fixed tabs, second fixed tabs and third fixed tabs are extended horizontal normally opened contact and normally-closed contact, one end of movable contact spring is rotatably connected with the first fixed tabs, movable contact is arranged in the other end, movable contact is placed between normally opened contact and normally-closed contact, movable contact spring is contacted with normally-closed contact by leaf spring, lid is installed on the body, and through-hole is opened up on lid, button is arranged in through-hole and prominent and through-hole, drive rod is spindle rotationally arranged on lid, using pressing reed below drive rod push button, and then contact movable contact with normally opened contact.The control switch of the utility model is small in size, manipulation is convenient, structure is simple, using the connection type of mounting groove and movable contact spring separate structure, substantially reduces cost of labor, improves working efficiency.

Description

A kind of control switch

Technical field

The utility model relates to control element field, in particular to a kind of control switch.

Background technique

As market is highly integrated to all kinds of circuits, the requirement of miniaturization, the button switch volume as auxiliary element is also needed It to compress and become smaller therewith, however, the diminution of button switch volume, can make actuating length, the key etc. of switch also become smaller therewith, from And influence that its is handling, there is the generation malfunctioned, the service life and stability of switch are also deteriorated.

Utility model content

For the above defect of the existing technology, the main purpose of the utility model is to overcome the deficiencies in the prior art Place discloses a kind of control switch, including ontology, lid, drive rod, button, movable contact spring, leaf spring, and is successively set on Intrinsic first fixed tabs, the second fixed tabs and third fixed tabs, second fixed tabs and described Three fixed tabs are extended horizontal normally opened contact and normally-closed contact, one end of the movable contact spring and first fixed tabs It is rotatably connected, movable contact is arranged in the other end, and the movable contact is placed between the normally opened contact and the normally-closed contact, passes through The leaf spring contacts the movable contact spring with the normally-closed contact, and the lid is installed on the body, and on lid Through-hole is opened up, the button is arranged in the through-hole and the prominent and through-hole, the drive rod are spindle rotationally arranged in institute State on lid, press the button using the drive rod to push the movable contact spring, so make the movable contact and it is described often Open contact contact.

Further, the first mounting groove is set in first fixed tabs, the end setting of the movable contact spring with it is described The matched mounting rod of first mounting groove, the mounting rod are placed in first mounting groove.

Further, mounting base is set on the ontology, the second mounting groove is set in the mounting base, the one of the leaf spring End is arranged in second mounting groove, and the other end is arranged on the movable contact spring.

Preferably, the first mounting groove and the second mounting groove use " V " type structure.While guaranteeing product quality, again Simplify assemble flow and working hour: i.e. movable contact spring and leaf spring are directly clamped among in the first mounting groove of the first fixed tabs, in this way Design change tradition thinking fixed in a manner of riveting, it is issuable when avoiding riveting that a product are abraded and damaged by pressure； And riveting fixed form has uncertainty, i.e., when riveting intensity is inadequate, switchs under multiple action situation, what be may cause is dynamic Reed falls off, to cause contact to be not turned on, the fatal undesirable generation such as circuit short circuit.And the fixed form of mounting groove, it can be very Good movable contact spring of fixing is not fallen off, and the Reliability of Microprocessor of product is guaranteed；Consider from material cost and repair rate, it is this Design can also reduce the loss of material, i.e., under traditional riveting operation mode, when generation movable contact spring is bad or riveting is bad, Gu Static joining-pin and movable contact spring will be all discarded, can not reprocess, and the mounting means of above-mentioned mounting groove, then only need to exchange movable contact spring i.e. It can.Certainly, preferably it can fix and rotate using " V " type structure, because of " V " type structure, mounting rod is pressed into the structure, passes through The guiding of two sidewalls, mounting rod are placed in slot bottom always, guarantee the stability of its installation.

Further, the leaf spring is in " several " font, opens up the mounting hole for allowing the leaf spring to pass through on the movable contact spring, One end installation of the leaf spring is in the mounting hole.

Further, when in use, one end that the leaf spring is connect with the mounting base is consistently lower than the other end.

Further, the limited block for limiting the movable contact spring depressed position is set on the ontology.

Further, the lid is fixed with the ontology by installing tenon.The design of tenon is installed to install convenient for drive rod, And guarantee freely up and down to act in the actuating length of switch.By the pressing operations of drive rod, button down is driven, moves spring The movable contact of on piece and normally opened stationary contact are closed, and are returned to original state after release, that is, are realized the function for closing the switch, disconnecting Energy.Due to the effect of lever principle, drive rod can drive button to press with lesser power and the biggish actuating length pressed, thus Convenient for operator's control button switch, and effectively avoid due to switching too small, the various inconvenient, maloperations of bring.

Further, the drive rod is fixed with the lid by installing tenon.

Further, the lid is made of PBT resin material.

Further, the normally opened contact, the normally-closed contact and the movable contact be corronil electroplate or It is gold-plated.

The utility model obtain the utility model has the advantages that

The control switch of the utility model is small in size, manipulation is convenient, structure is simple, and which use ontologies and fixed tabs It is integrally formed, the connection type of mounting groove and movable contact spring separate structure, substantially reduces cost of labor, working efficiency is improved, to production Quality guarantees there has also been good.

Detailed description of the invention

Fig. 1 is a kind of explosive view of control switch of the utility model；

Fig. 2 is a kind of perspective view of control switch of the utility model

Fig. 3 is the structural schematic diagram of body part；

Fig. 4 is the structural schematic diagram of movable contact spring；

Fig. 5 is the structural schematic diagram of button；

Appended drawing reference is as follows:

1, ontology, 2, lid, 3, drive rod, 4, button, 5, movable contact spring, 6, leaf spring, the 7, first fixed tabs, 8, second is solid Static joining-pin, 9, third fixed tabs, 11, mounting base, the 12, second mounting groove, 13, limited block, 51, movable contact, 52, mounting rod, 53, mounting hole, the 71, first mounting groove, 81, normally opened contact, 91, normally-closed contact, 101, ontology installation tenon, 102, lid installation Tenon.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and implement Example is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only to explain this reality With novel, it is not used to limit the utility model.

A kind of control switch of the utility model, as shown in Figs. 1-5, including it is ontology 1, lid 2, drive rod 3, button 4, dynamic Reed 5, leaf spring 6, and intrinsic first fixed tabs 7, the second fixed tabs 8 and third fixed tabs 9 are successively set on, First fixed tabs 7, the second fixed tabs 8 and 9 one end of third fixed tabs extend downwardly, and draw as with what other devices were connect Foot.Second fixed tabs 8 upwardly extend the normally opened contact 81 and normally-closed contact 91 of setting level with third fixed tabs 9, move spring One end of piece 5 is rotatably connected with the first fixed tabs 7, and movable contact 51 is arranged in the other end, and movable contact 51 is placed in normally opened contact 81 Movable contact spring 5 is pushed to contact movable contact 51 with normally-closed contact 91 between normally-closed contact 91, and through leaf spring 6；By pressing spring Piece 5 makes movable contact 51 be moved to normally opened contact 81.It, can also be in general, movable contact spring 5 is connect with the first fixed tabs 7 by shaft It is attached by the way of riveting.Preferably, first mounting groove 71 is set in the first fixed tabs 7, the end of movable contact spring 5 is set It sets and is placed in the first mounting groove 71 with the matched mounting rod 52 of the first mounting groove 71, mounting rod, be that movable contact spring 5 mentions by leaf spring 6 For a thrust obliquely, the thrust obliquely can be decomposed into the thrust that one pushes up movable contact spring 5 and one to The thrust in 9 direction of third fixed tabs, i.e. guarantee mounting rod 52 can be securely positioned in the first mounting groove 71.This kind connection knot Structure, it is easy for installation, using reliable, and long service life.Lid 2 is mounted on ontology 1, can install tenon by ontology 101 are fixed installation；In general, two ontology installation tenons 101 are respectively set in corresponding two sides on ontology 1, and in lid 2 Corresponding position matched mounting hole is set, ontology installation tenon 101 is mounted in mounting hole, realizes the peace of lid 2 and ontology 1 Dress.For protecting the structure on ontology 1.Drive rod 3 is arranged on lid 2, and one end installs tenon 102 and lid 2 by lid It is rotatably connected；Two sides i.e. on lid 2 are arranged two lids and install tenon 102, and are correspondingly arranged two on drive rod 3 A mounting hole, it is only necessary to which lid installation tenon 102, which is mounted in mounting hole, can be completed installation.It is used in addition, being opened up on lid 2 The through-hole of button 4 is installed, and one end protrusion and through-hole, the other end of button 4 are placed on movable contact spring 5, are passed through and are pressed drive rod 3, and then push button 4 and then promotion movable contact spring 5, it is displaced downwardly to movable contact 51 on normally opened contact 81.It is first according to lever principle First, it is only necessary to pressure, that is, controllable switch of very little；In addition, can not precisely press since button 4 is small in size, pass through drive rod 3 Increase pressing area, guarantees the validity of pressing.Secondly, movable contact 51 be moved to normally opened contact 81 apart from very little, therefore, press The distance that button 4 moves down also very little, operator's sense of touch in pressing is not strong, even feels not press also sometimes, but real Existing pressing operation；Pressing distance amplification apparent sense of touch has been allowed the operator to by drive rod 3.

In one embodiment, it is provided with mounting base 11 on ontology 1, the second mounting groove 12 is set in mounting base 11, leaf spring 6 One end is located in the second mounting groove 12, and the other end is arranged on movable contact spring 5.Preferably, leaf spring 6 is in " several " character form structure, moves spring The mounting hole 53 for allowing leaf spring 6 to pass through is opened up on piece 5.One end of leaf spring 5 is stuck in a side of mounting hole 53, passes through leaf spring 5 To the active force at both ends, a thrust obliquely is provided.Certainly, leaf spring 6 is only one preferred real using " several " character form structure Example is applied, which can also be realized, but due to being unable to control spring-compressed, spring is when in use using the spring being tiltedly arranged Spring may be caused to jump out phenomenon by unbalance stress.In order to guarantee that leaf spring 6 can provide a thrust obliquely always, One end that leaf spring 6 is connect with mounting base 11 is consistently lower than its one end connecting with movable contact spring 5.When pushing movable contact spring 5, although often Open contact 81 and also play the effect limited to dynamic spring disk 5, still, if pushed excessive, it is also possible to cause thrust downwards and Therefore the case where causing movable contact spring 5 that can not automatically reset also sets up limited block 13 on ontology 1, when button 4 drives movable contact spring 5 When moving down, limited block 13 is used to limit and support the lower pressure of button 4, and then makes movable contact spring 5 that can not continue to move down.

In one embodiment, lid is made of PBT resin material, which has the features such as high temperature resistant, flame retardant rating is high, And good insulation preformance, Product Safety are guaranteed.

In one embodiment, normally opened contact, normally-closed contact and movable contact are by corronil surface gold-plating or silver-plated.It is conductive Rate is high, contact resistance is small and carrying load ability is strong；Contact surface is designed in arc-shaped, can effectively prevent electric current in control loop The arc discharge of generation burns to contact, to improve contact service life；Contact is fixed on each fixation by welding mode In contact pin, pull strength height is not easily to fall off, and stability is good.

Leaf spring 6 is material using beryllium-bronze.Beryllium-bronze is a kind of Cu alloy material with fine coefficient of elasticity, elasticity and Fatigue resistance is big, elastic hysteresis is small, highly conductive, nonmagnetic.It is cleverly designed and is mounted on fixing seat 11 and mounting hole 53 Interior, while playing fixed movable contact spring 5, good elasticity also can guarantee the sensitivity and contact contact shake of switch motion It is small.

When the utility model is used, passing through the pressing operations of drive rod 3, button 4 is driven to push movable contact spring 5 downwards, And then movable contact 51 and normally opened contact 81 is driven to be closed, forming circuit；After pressing force is unclamped, button is total to by movable contact spring, leaf spring With original state under spring-force driven dual, is restored, circuit is disconnected, and is closed with normally-closed contact 91, forms another circuit.It is described i.e. complete At a switching process.

The above is only the preferred embodiments of the utility model, are not used to limit the scope of the utility model；If The spirit and scope for not departing from the utility model, are modified or replaced equivalently the utility model, should all cover in this reality In novel scope of protection of the claims.

Claims (10)

1. a kind of control switch, which is characterized in that including ontology, lid, drive rod, button, movable contact spring, leaf spring, and successively Setting in intrinsic first fixed tabs, the second fixed tabs and third fixed tabs, second fixed tabs and The third fixed tabs are extended horizontal normally opened contact and normally-closed contact, and one end of the movable contact spring is solid with described first Static joining-pin is rotatably connected, and the other end is arranged movable contact, the movable contact be placed in the normally opened contact and the normally-closed contact it Between, the movable contact spring is contacted with the normally-closed contact by the leaf spring, the lid is installed on the body, and Through-hole is opened up on lid, the button is arranged in the through-hole and the prominent and through-hole, the drive rod are rotatably set Set on the lid, press the button using the drive rod to push the movable contact spring, so make the movable contact with The normally opened contact contact.

2. a kind of control switch according to claim 1, which is characterized in that the first peace is arranged in first fixed tabs Tankage, end setting and the matched mounting rod of the first mounting groove of the movable contact spring, the mounting rod are placed in described first In mounting groove.

3. a kind of control switch according to claim 1, which is characterized in that mounting base, the peace are arranged on the ontology Second mounting groove is set on dress seat, and one end of the leaf spring is arranged in second mounting groove, and other end setting is described dynamic On reed.

4. a kind of control switch according to claim 3, which is characterized in that the leaf spring is in " several " font, the dynamic spring On piece opens up the mounting hole for allowing the leaf spring to pass through, and one end installation of the leaf spring is in the mounting hole.

5. a kind of control switch according to claim 4, which is characterized in that when in use, the leaf spring and the installation One end of seat connection is consistently lower than the other end.

6. a kind of control switch according to claim 1, which is characterized in that setting is described dynamic for limiting on the ontology The limited block of reed depressed position.

7. a kind of control switch according to claim 1, which is characterized in that the lid and the ontology are pacified by ontology Dress tenon is fixed.

8. a kind of control switch according to claim 1, which is characterized in that the drive rod and the lid pass through lid Installation tenon is fixed.

9. a kind of control switch according to claim 2, which is characterized in that the first installation slot cross-section is " V " font.

10. a kind of control switch according to claim 3, which is characterized in that the second installation slot cross-section is " V " word Type.