CN2585388Y

CN2585388Y - Pressing head for changing-overk switch

Info

Publication number: CN2585388Y
Application number: CN 02284623
Authority: CN
Inventors: 黄琼媛
Original assignee: HUITAN SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: HUITAN SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2002-11-05
Filing date: 2002-11-05
Publication date: 2003-11-05
Anticipated expiration: 2012-11-05

Abstract

The utility model relates to a pressing head for a changing switch, which has the structure that a combined and free rolling metal rolling ball is embedded in one end of an empty or solid columnar pressing head corresponding to the inner part of a switch base. The rolling ball is arranged corresponding to the pressing head and is unable to displace; or the inner space of the pressing head is provided with a lubricating channel communicated with the rolling ball in order to store butter; thus, the rolling ball combined with the front end of the pressing head is used, making the sliding displacement of the rolling ball opposite to a contact piece in the inner part of the switch base more smooth and avoiding fast wear; moreover, the rolling ball is arranged in the pressing head and is provided with an elastic element; when the assembly is arranged in a central column safely and a push-button is assembled with the switch base, the assembly is very convenient. The utility model has the advantages of no worrying of popup of the components and higher using quality of products.

Description

Diverter switch compress head

Technical field

The utility model relates to a kind of diverter switch, refers to a kind of head that compresses that is applied to diverter switch especially.

Background technology

The diverter switch of installing in order to the open close normal mat of mode of control power supply on each electric appliances or the mechanical implement, conveniently open or close the power supply of this utensil with its change action, the basic framework of general diverter switch, as shown in Figure 7, the main button B that is pivoted in the top of a switch base A, this button B bottom center moulding one newel B1, be provided with a B3 that compresses of a flexible member B2 ejection one bullet type in the newel B1, be connected to an arc Contact piece C who is located at switch base A bottom, symmetry lateral margin in this contact C stage casing is offered shrinkage pool C1 and frame is butted on switch base A bottom surface and one of sets firmly live wire conductive D, and contact C one end tool one contact C2, its place is suitable down another live wire conductive E that contacts at of shifting state down, it sets up power supply indicator F among the button B, then these two ends offset the flexible member B2 that is connected to power supply indicator F and arc Contact piece C with compress a B3 and promptly constitute a live wire path, and establish the flexible member G that tool one connects power supply indicator F in addition in button B one bottom portion, a this flexible member G and a ground wire conducting strip H connect, with this ground wire path as power supply indicator F; Mat it, the pushing of button B drives its newel B1 swing and compresses the conflict state that a B3 pushing and pressing contact C changes the relative live wire conductive E of its contact C2 with the elastic telescopic of interior dress, control the path of this switch or open circuit, and the power supply indicator F energising in the button B is lighted at the state of path.

Yet, see this for details and drive newel B1 swing because of pushing of button B, so that compressing relative contact C of a B3 of dress pushes against wiping and does the elastic telescopic action in it, wherein, compress a B3 when being pushed at this hollow form, contact at the state of contact C with its front end arc round end, because of its genus " directly mill touches " situation, the resistance that slides is bigger, and easy to wear, simultaneously, the telescopic displacement that compresses in the relative newel B1 of a B3 must be quite smooth and easy, be subjected to touch all the time under the flexible member B2 ejection and be butted on contact C to keep compressing a B3, thus manyly can go up and be coated with butter I in compressing a B3, still, as shown in Figure 7, its butter I lodges in newel B1 lower end and compresses an angle of B3 outer surface, is not really at newel B1 inwall and compress between the B3 and do effective lubricating, moreover, when switching on because of this switch, compress a B3 and contact C can heat up, newel B1 lower end is very fast with compressing a butter I fusion of B3 outer surface angle runs off even lodge in than higher temperature, loses lubrication; Same, as shown in Figure 8, other has a kind of design that a B4 does solid column that compresses, and it also has above-mentioned shortcoming.

In addition, as shown in Figure 9, known person also has the steel ball B5 with metal material to replace the above-mentioned diverter switch product that compresses a B3, the structural design of this kind utilization steel ball B5, during assembling, need the outer end coating butter after flexible member B2 inserts newel B1, to stick steel ball B5 temporarily, it is multiple after contact C puts into switch base A, with being about to button B together with flexible member B2, the steel ball B5 switch base A that packs into, this Assembly Action, not only steel ball B5 is touched promptly slightly easily and is dropped, and compression elastic element B2 makes steel ball B5 slip into newel to be touched promptly and drop, and compression elastic element B2 slips in the process of newel B1 steel ball B5, the also easy bullet of steel ball B5 takes off, and assembling is trouble quite, time-consuming.

The utility model content

The purpose of this utility model is to provide a kind of switching that makes button more smooth and easy and assemble the head that compresses of diverter switch easily.

For achieving the above object, solution of the present utility model is: a kind of diverter switch compress head, switch base top articulates button, bottom center drawdown moulding one newel of button, the newel content is provided with a flexible member ejection one and compresses head, and compresses the contact that the outer end is pressed against the switch base bottom that protrudes out of head, and the contact frame is butted between the live wire conductive, wherein: be embedded with a free rolling metal balls but compress an outer end that compresses contact, this ball and contact are inconsistent.

Described diverter switch compress head, it compresses a body and can be hollow tubular or solid column, its end that compresses contact relatively forms one for the reducing section or the pearl groove of inserting ball.

Described diverter switch compress head, its ball with compress the relative fixation of head, do rolling.

Described diverter switch compress header structure, it compresses head and is made as hollow tubular body, the relative ball of its front end forms the ring body of indent.

Described diverter switch compress head, it compresses head and is made as solid column, its inner space is provided with the lubrication channel of the ball that communicates.

After adopting said structure, when pressing button drives the newel swing, head that compresses of dress is promptly conflicted with the relative contact rolling of ball that the end protrudes out in it, and compress head and form the pattern of elastic telescopic along with the action of compression elastic element with ball, conflict by the relative contact rolling of ball, sliding very little to resistance, make the switching of button more smooth and easy, avoid quick wearing and tearing; And ball is loaded on to compress inserts flexible member again in the head, and when being connected to switch base in its assembly safety centering post and with button groups, it is quite convenient assemble, does not worry that zero member ejects arbitrarily, for the using character of product lifting is also arranged.

Description of drawings

Fig. 1 is the structural representation of the utility model first embodiment;

Fig. 2 is the combination schematic diagram of the utility model first embodiment;

Fig. 3 is the action schematic diagram of the utility model first embodiment;

Fig. 4 is the assembled sectional view of the utility model second embodiment;

Fig. 5 is the assembled sectional view of the utility model the 3rd embodiment;

Fig. 6 is the assembled sectional view of the utility model the 4th embodiment;

Fig. 7 is an assembled sectional view of commonly using product one;

Fig. 8 is an assembled sectional view of commonly using product two;

Fig. 9 is an assembled sectional view of commonly using product three.

1 switch base, 2 buttons, 21 newels

22 flexible members 23 compress 231 a reducing section

232 ring bodies, 24 balls 25 compress head

251 pearl grooves, 252 lubrication channels, 3 contacts

31 shrinkage pools, 32 contacts, 4 live wire conductive

5 live wire conductive, 6 flexible members

7 power supply indicators, 8 ground wire conducting strips

A switch base B button

B1 newel B2 flexible member

B3 compresses a B4 and compresses head

B5 steel ball C contact

C1 shrinkage pool C2 contact

D live wire conductive E live wire conductive

F power supply indicator G flexible member

H ground wire conducting strip I butter

Embodiment

As Fig. 1, shown in 2, the whole grown form of the utility model diverter switch, its possible example structure is with a switch base 1 button 2 that is pivoted in top, bottom center moulding one newel 21 of button 2, be provided with a flexible member 22 ejections one in the newel 21 and compress 23, form an elastic telescopic end, for the contact 3 that is connected to bottom side one arc, the stage casing of contact 3 symmetry lateral margin is offered shrinkage pool 31 and frame is butted on the live wire conductive 4 that switch base 1 bottom surface sets firmly, and lamellar body one end is provided with a contact 32, it is in descending shifting state down for contacting at another live wire conductive 5, another flexible member 6 ejections are connected in power supply indicator 7 in the button body in button 2 bottom surfaces one end, and flexible member 6 other ends and a ground wire conducting strip 8 connect; The first concrete possible example of the utility model improvement characteristics is:

This compresses 23 form with hollow tubular and forms a reducing section 231 that connects in its outer end that compresses contact 3 relatively, and insert metal ball 24 in the inside of hollow tubular, make the local pearl body of this ball 24 protrude out reducing section 231, and can whole ejection, and can freely roll, and mat flexible member 22 ejection balls 24 and then passing compress 23 a local pearl body that protrude out with its end and contact at contact 3, and they can be in 23 an inner butter that inject that compress of hollow tubular, for lubricated ball 24.

By above-mentioned design, as shown in Figure 3, when pressing button 2 drives newel 21 swings, 23 ball 24 relative contact C rollings that promptly protrude out with the end that compress of dress are conflicted in it, and compress 23 and form the pattern of elastic telescopic along with the action of compression elastic element 22 with ball 24, wherein, by the ball 24 relative contact C conflicts of rolling, sliding very little to resistance, can avoid quick wearing and tearing; And ball 24 is loaded on to compress in 23 inserts flexible member 22 again, and when being connected to switch base 1 in its assembly safety centering post 21 and with button 2, it is quite convenient assemble, does not worry that zero member ejects arbitrarily.

Remove the above-mentioned first example form, according to the improvement characteristics in conjunction with ball 24, following design also belongs to feasible instantiation:

One, second example as shown in Figure 4, when with ball 24 with compress 23 be set as can relative fixation, do rolling, but under can't the form of displacement, the upper limb that compresses 23 front end reducing sections, 231 a top relative interior ball 24 of hollow tubular forms the ring body 232 that indent goes out to offset and ends, use ball 24 is subject between reducing section 231 openings and this ring body 232, roll and be positioned this zone, support with seasonal flexible member 22 1 ends and to terminate on the ring body 232, but not directly being connected to ball 24, it is more smooth and easy flexible that rolling of ball 24 relative contacts 3 touched.

Two, the 3rd example as shown in Figure 5, then be to adopt the structure of solid column with compressing 25 body, and it forms a pearl groove 251 in the end that compresses contact 3 relatively, ball 24 is inserted in suitable confession, this design can relative fixation with making ball 24 and this compress 25 formation, do rolling, but pattern that can't displacement.

Three, the 4th example as shown in Figure 6, it then is the variation example of further deriving according to the 3rd example, mainly be to increase its lubricant effect, its order compresses 25 inner space that are made as solid column and is provided with a lubrication channel 251 that passes to pearl groove 251 mutually, for filling in butter Castor Oil ball 24.

Example shown in the above-mentioned legend, it adopts the form of tool power supply indicator 7 in the button 2, general diverter switch of not establishing power supply indicator 7 also can use the modified form of the utility model tool ball 24 to compress 23,25 structure, can omit this flexible member 6 and ground wire conducting strip 8 members.

Claims

1, a kind of diverter switch compresses head, switch base top articulates button, bottom center drawdown moulding one newel of button, the newel content is provided with a flexible member ejection one and compresses head, and compress the contact that the outer end is pressed against the switch base bottom that protrudes out of head, the contact frame is butted between the live wire conductive, it is characterized in that: be embedded with a free rolling metal balls but compress an outer end that compresses contact, this ball and contact are inconsistent.

2, diverter switch as claimed in claim 1 compress head, it is characterized in that: this compresses a body and can be hollow tubular or solid column, its end that compresses contact relatively forms one for the reducing section or the pearl groove of inserting ball.

3, diverter switch as claimed in claim 1 compress head, it is characterized in that: this ball with compress the relative fixation of head, do rolling.

4, diverter switch as claimed in claim 1 compress header structure, it is characterized in that: this compresses head and is made as hollow tubular body, the relative ball of its front end forms the ring body of indent.

5, diverter switch as claimed in claim 1 compress head, it is characterized in that: this compresses head and is made as solid column, and its inner space is provided with the lubrication channel of the ball that communicates.