CN205069254U

CN205069254U - Slide rheostat

Info

Publication number: CN205069254U
Application number: CN201520884293.4U
Authority: CN
Inventors: 蔡斌
Original assignee: Wenzhou Huazhong Instrument Co Ltd
Current assignee: Wenzhou Huazhong Instrument Co Ltd
Priority date: 2015-11-07
Filing date: 2015-11-07
Publication date: 2016-03-02
Anticipated expiration: 2025-11-07

Abstract

The utility model discloses a slide rheostat, its technical scheme main points are including support, resistance coil post, guide pillar, slide mechanism, resistance coil post and guide pillar parallel arrangement, fixed connection is at resistance coil post both ends for the support difference, fixed connection is also distinguished on the support in the guide pillar both ends, slide mechanism is in the enterprising line slip of guide pillar, slide mechanism contradicts on resistance coil post lateral wall, the guide pillar both ends all are equipped with the lock nut who fixes with the support, guide pillar one end is the fixedly connected with terminal still, the guide pillar other end is fixedly connected with cap nut still.

Description

Slide rheostat

Technical field

The utility model relates to a kind of electric component and manufactures field, and more particularly, it relates to a kind of slide rheostat.

Background technology

It is extensive that slide rheostat is applied very in electrical teaching, the size of access resistance is changed by slip slide mechanism, thus be convenient for people to the different operating state of observing other equipment, and mainly comprise guide pillar and resistive conductor loop pillar at slide rheostat, usually binding post is equipped with at resistive conductor loop pillar and guide pillar two ends, and guide pillar is also be fixed with support by the locking of binding post, primary structure is as a kind of slide rheostat (application number, 201520078553.9), when in the process of people in wiring, line being connected on the binding post on guide pillar two ends, thus after the binding post at guide pillar two ends is repeatedly turned on, produce loosened screw, the fixation connecting guide pillar two ends is caused all to lose, thus cause guide pillar easily to drop, or the active force of the conflict that guide pillar loses, thus carry out axial movement, thus slide mechanism can be driven to slide, thus need again to slide after fixing, and easily cause after people repeatedly regulate and cause the connection length available of two ends guide pillar to change, inconvenient people use.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of guide pillar to be not easy to produce the slide rheostat of movement.

For achieving the above object, the utility model provides following technical scheme: a kind of slide rheostat, comprise support, resistive conductor loop pillar, guide pillar, slide mechanism, described resistive conductor loop pillar and guide pillar be arranged in parallel, described support is fixedly connected on resistive conductor loop pillar two ends respectively, described guide pillar two ends are also fixedly connected on support respectively, described slide mechanism is in the enterprising line slip of guide pillar, described slide mechanism is conflicted on resistive conductor loop pillar sidewall, described guide pillar two ends are equipped with the lock nut fixing with support, described guide pillar one end is also fixedly connected with binding post, the described guide pillar other end is also fixedly connected with acorn nut.

Preferably, described slide mechanism comprises sliding shoe, slide plate, collets, and described slide plate and collets are all fixedly connected on sliding shoe by screw, conflicts on resistive conductor loop pillar sidewall in described slide plate one end.

Preferably, be connected with elasticity conflict sheet between described slide plate and insulated column, described elasticity conflict sheet is conflicted in slide plate side.

Preferably, described guide pillar cross section is polygon or ellipse, described sliding shoe be provided be slidably matched with guide pillar run through through hole.

Preferably, described sliding shoe top is provided with the portion that arches upward of arc.

Preferably, described slide plate end is provided with kink, and described kink center is provided with the contact site to resistive conductor loop pillar projection.

Compared with prior art, the beneficial effects of the utility model are: guide pillar two ends are all connected to lock nut, by lock nut, guide pillar and support are conflicted, thus lock nut can not be driven to rotate when being rotationally connected post, thus the effective locked guide pillar of lock nut energy, effectively prevent guide pillar from rotating, and owing to being shut by acorn nut guide pillar one end, thus wire cannot be connected on acorn nut, thus acorn nut can not be opened when wiring, thus effectively prevent acorn nut generation from coming off, thus by long-term the coordinating of acorn nut and lock nut, ensure that the fixed effect of guide pillar, and the guide pillar connecting length of acorn nut one end is also without the need to distributing, thus guide pillar entirety can be made to move to binding post side, thus the connecting length that improve on binding post, and the resistance of guide pillar is ignored in slide rheostat, thus any conductor is connected on guide pillar all belongs to and is connected on same point, thus the wire be connected with guide pillar during experiment can be unified to be connected on binding post, thus people need to be connected on guide pillar and make only need open primary connection post, be convenient for people to operation.

Accompanying drawing explanation

Fig. 1 is the stereogram of the utility model slide rheostat embodiment;

Fig. 2 is the stereogram of the utility model slide rheostat embodiment slide mechanism.

Reference numeral: 1, support; 2, resistive conductor loop pillar; 3, guide pillar; 4, slide mechanism; 41, sliding shoe; 42, slide plate; 43, collets; 44, screw; 45, elasticity conflict sheet; 46, through hole is run through; 47, kink; 48, contact site; 49, arch upward portion; 5, lock nut; 6, binding post; 7, acorn nut.

Embodiment

Referring to figs. 1 through Fig. 2, the utility model slide rheostat embodiment is described further.

A kind of slide rheostat, comprise support 1, resistive conductor loop pillar 2, guide pillar 3, slide mechanism 4, described resistive conductor loop pillar 2 be arranged in parallel with guide pillar 3, described support 1 is fixedly connected on resistive conductor loop pillar 2 two ends respectively, described guide pillar 3 two ends are also fixedly connected on support 1 respectively, described slide mechanism 4 is in the enterprising line slip of guide pillar 3, described slide mechanism 4 is conflicted on resistive conductor loop pillar 2 sidewall, described guide pillar 3 two ends are equipped with the lock nut 5 fixing with support 1, described guide pillar 3 one end is also fixedly connected with binding post 6, described guide pillar 3 other end is also fixedly connected with acorn nut 7, guide pillar 3 two ends are all connected to lock nut 5, by lock nut 5, guide pillar 3 and support 1 are conflicted, thus lock nut 5 can not be driven to rotate when being rotationally connected post, thus the effective locked guide pillar 3 of lock nut 5 energy, effectively prevent guide pillar 3 from rotating, and owing to being shut by acorn nut 7 guide pillar 3 one end, thus wire cannot be connected on acorn nut 7, thus acorn nut 7 can not be opened when wiring, thus effectively prevent acorn nut 7 generation from coming off, thus by acorn nut 7 and long-term the coordinating of lock nut 5, ensure that the fixed effect of guide pillar 3, and guide pillar 3 connecting length of acorn nut 7 one end is also without the need to distributing, thus guide pillar 3 entirety can be made to move to binding post 6 side, thus the connecting length that improve on binding post 6, and the resistance of guide pillar 3 is ignored in slide rheostat, thus any conductor is connected on guide pillar 3 all belongs to and is connected on same point, thus the wire be connected with guide pillar 3 during experiment can be unified to be connected on binding post 6, thus people need to be connected on guide pillar 3 and make only need open primary connection post 6, be convenient for people to operation.

Described slide mechanism 4 comprises sliding shoe 41, slide plate 42, collets 43, described slide plate 42 is all fixedly connected on sliding shoe 41 by screw 44 with collets 43, conflict on resistive conductor loop pillar 2 sidewall in described slide plate 42 one end, when slide rheostat uses, slide plate 42 easily bends, slide plate 42 is caused easily to disconnect with the contact of resistive conductor loop pillar 2, thus people can turn on screw 44, collets 43 and slide plate 42 are all taken out, slide plate 42 is made to reset again, or change slide plate 42, screwed back by screw 44 again, thus slide plate 42 is restored, change more convenient.

Elasticity conflict sheet 45 is connected with between described slide plate 42 and insulated column, described elasticity conflict sheet 45 is conflicted in slide plate 42 side, slide plate 42 work process Elastic conflict sheet 45 can the moment apply elastic force to slide plate 42, thus make the conflict in slide plate 42 energy moment at resistive conductor loop pillar 2 sidewall, thus effectively avoid slide plate 42 to be opened, thus effective minimizing people safeguard the frequency of slide plate 42.

Described guide pillar 3 cross section is polygon or ellipse, described sliding shoe 41 be provided be slidably matched with guide pillar 3 run through through hole 46, due to guide pillar 3 with run through through hole 46 and coordinate completely, thus effectively prevent sliding shoe 41 from again guide pillar 3 coming off, or produce on guide pillar 3 and rotate, thus effectively prevent sliding shoe 41 rotation from slide plate 42 is out of shape, effectively raise the useful life of slide plate 42.

Described sliding shoe 41 top is provided with the portion that arches upward 49 of arc, after slide plate 42 is opened, screw 44 is turned by a nearly step, thus slide plate 42 can be conflicted completely with the portion of arching upward 49, thus make slide plate 42 produce distortion along the portion of arching upward 49, thus make slide plate 42 two ends can be close to resistive conductor loop pillar 2, make slide plate 42 can continue to be close to resistive conductor loop pillar 2, make slide plate 42 can continue to use.

Described slide plate 42 end is provided with kink 47, described kink 47 center is provided with the contact site 48 to resistive conductor loop pillar 2 projection, thus contact site 48 is contacted with resistive conductor loop pillar 2, effectively decrease contact area, thus effectively raise the variable resistance accuracy of slide rheostat, and slide plate 42 is equivalent to the contact of arc with the contact point of resistive conductor loop pillar 2, thus when sliding, slide plate 42 is not easy to be stuck on resistive conductor loop pillar 2, improves the fluency of slip.

The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.

Claims

1. a slide rheostat, comprise support, resistive conductor loop pillar, guide pillar, slide mechanism, described resistive conductor loop pillar and guide pillar be arranged in parallel, described support is fixedly connected on resistive conductor loop pillar two ends respectively, described guide pillar two ends are also fixedly connected on support respectively, described slide mechanism is in the enterprising line slip of guide pillar, described slide mechanism is conflicted on resistive conductor loop pillar sidewall, it is characterized in that: described guide pillar two ends are equipped with the lock nut fixing with support, described guide pillar one end is also fixedly connected with binding post, and the described guide pillar other end is also fixedly connected with acorn nut.

2. slide rheostat according to claim 1, it is characterized in that: described slide mechanism comprises sliding shoe, slide plate, collets, described slide plate and collets are all fixedly connected on sliding shoe by screw, conflict on resistive conductor loop pillar sidewall in described slide plate one end.

3. slide rheostat according to claim 2, is characterized in that: be connected with elasticity conflict sheet between described slide plate and insulated column, and described elasticity conflict sheet is conflicted in slide plate side.

4. slide rheostat according to claim 3, is characterized in that: described guide pillar cross section is polygon or ellipse, described sliding shoe be provided be slidably matched with guide pillar run through through hole.

5. slide rheostat according to claim 4, is characterized in that: described sliding shoe top is provided with the portion that arches upward of arc.

6. slide rheostat according to claim 5, is characterized in that: described slide plate end is provided with kink, and described kink center is provided with the contact site to resistive conductor loop pillar projection.