CN218384668U

CN218384668U - Potentiometer with switch

Info

Publication number: CN218384668U
Application number: CN202222375300.0U
Authority: CN
Inventors: 乐一东; 王伟东
Original assignee: Ningbo Heye Electronics Co ltd
Current assignee: Ningbo Heye Electronics Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-24
Anticipated expiration: 2032-09-07

Abstract

A potentiometer with a switch comprises a shaft sleeve, a connecting seat, a switch seat, a resistor body, a rotating and sliding system and a switch assembly; the connecting seat is connected with the shaft sleeve to form a first closed chamber, and the connecting seat is also connected with the switch seat to form a second closed chamber; the first closed chamber is provided with a resistor body and a rotating and sliding system; the second closed chamber is provided with a switch assembly. The potentiometer is provided with two closed chambers, each component can be arranged in a separated chamber mode, excessive components are prevented from being assembled on the same carrier component in a concentrated mode, the overall structure is simple, the arrangement space is enough, the inner cavity of each closed chamber is closed, and the sealing effect is good.

Description

Potentiometer with switch

Technical Field

The utility model relates to an electronic components technical field, in particular to potentiometer with switch.

Background

The potentiometer with the switch is an adjustable electronic component, is a potentiometer product with the switch function as the name implies, and has more pins with the switch function than a common potentiometer.

The potentiometer comprises a knob shell, a base and a base, wherein a shaft core is arranged at the center of the base, one end of the shaft core is detachably connected with the knob shell, and the other end of the shaft core is detachably connected with the base.

This type of potentiometre passes through the axle core, though can realize knob shell, base and base three's releasable connection, nevertheless because of too much parts collection dress is on same carrier part, like the lug, sound contact, the contact, by the cam, sound contact, contact cooperation and the switch assembly etc. of constituteing all concentrate to join in marriage and locate on the base, make the base need dispose a plurality of assembly structure of joining in marriage and come each part of adaptation, lead to the base structure too complicated from this, including too compact, it is limited to dispose the space, so slightly careless then difficult effective completion when the equipment, the degree of difficulty of equipment has been promoted from this.

In addition, the whole body of the potentiometer is in a naked state, and the potentiometer cannot meet the use requirement in special occasions such as water resistance, moisture resistance or dust resistance.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides a potentiometer with a switch with a new structure to effectively solve the problem that multiple components are assembled on the same carrier component and exposed.

The utility model provides a potentiometer with a switch, which comprises a shaft sleeve, a connecting seat, a switch seat, a resistor body, a rotating and sliding system and a switch assembly; the connecting seat is connected with the shaft sleeve to form a first closed chamber, and the connecting seat is also connected with the switch seat to form a second closed chamber; the first closed chamber is provided with a resistor body and a rotating and sliding system; the second closed chamber is provided with a switch assembly.

Preferably, the shaft sleeve has an end portion, the connecting seat has a connecting seat body, at least one of the end portion and the connecting seat body has a wall body arranged around the end portion and the connecting seat body, and the end portion, the wall body and the connecting seat body together form the first closed chamber.

Preferably, the switch base has an end portion, the connecting base has a connecting base body, at least one of the end portion and the connecting base body has a wall body arranged around the end portion and the connecting base body, and the end portion, the wall body and the connecting base body together form the second closed chamber.

Preferably, the shaft sleeve is provided with a first wall body which is arranged around the edge of the end part of the shaft sleeve, the connecting seat is provided with a second wall body which is arranged around the edge of the connecting seat body, and the first wall body and the second wall body are connected, so that the end part of the shaft sleeve, the first wall body, the second wall body and the connecting seat body are jointly arranged into the first closed chamber.

Preferably, the switch seat is provided with a third wall body arranged around the edge of the end part of the switch seat, and the third wall body is connected with the connecting seat body, so that the end parts of the connecting seat body, the third wall body and the switch seat are jointly arranged into the second closed chamber.

Preferably, the rotating and sliding system comprises a base body, a rotating shaft arranged on the base body, and a movable electric brush arranged on the end wall of the base body, wherein the movable electric brush is arranged corresponding to the resistor body; the resistor body is at least arranged on one of the inner end wall of the end part of the shaft sleeve and the inner end wall of the connecting seat body opposite to the end part of the shaft sleeve.

Preferably, the switch combination comprises a movable contact part and a static contact part, the switch base is provided with a first mounting assembly for assembling the movable contact of the movable contact part, and the switch base is also provided with a second mounting assembly for assembling the static contact of the static contact part.

Preferably, the first mounting assembly and the second mounting assembly are arranged close to the third wall of the switch base and on the inner end wall of the switch base.

Preferably, the first and second mounting assemblies are secured to the third wall.

Preferably, the first mounting assembly includes two seat bodies which are arranged in a matching manner, one end of the movable contact piece is clamped between the two seat bodies, and the other end of the movable contact piece is provided with a movable contact.

Preferably, the second mounting assembly comprises two seat bodies which are arranged in a matched manner, the static contact piece is clamped between the two seat bodies, the static contact piece is provided with a static contact, and the movable contact and the static contact are arranged correspondingly.

Preferably, the switch assembly further includes a switch driving body, the movable contact is provided with a pushing portion for pushing the switch driving body to separate the movable contact from the stationary contact, and the switch driving body is provided with a pushing portion disposed with the pushing portion.

Preferably, the shaft sleeve, the connecting seat and the switch seat are injection-molded parts and are connected through ultrasonic welding.

Preferably, the shaft sleeve, the connecting seat and the switch seat are injection-molded parts; the front end and the back end of the connecting seat are provided with a plurality of riveting columns which extend along the axial direction and are arranged at intervals along the circumferential direction, the shaft sleeve and the switch seat are provided with corresponding riveting holes, and the shaft sleeve, the connecting seat and the switch seat are connected through riveting.

The utility model provides a potentiometre of taking switch has set up axle sleeve, connecting seat and switch seat, and the three sets jointly to connect and has formed two closed chambers to can carry out locellus set with parts such as switch assembly, rotation and sliding system, resistive element, avoid the multicomponent to concentrate to allocate on a carrier part, also make the setting of each part needn't seem too adjacent. The arrangement of two closed chambers provides enough arrangement space, and the limitation of arrangement positions and sizes of all the parts is effectively relieved in the arrangement process. The potentiometer with the switch, which is formed by the two closed chambers, integrally forms an internal closed space, protects internal components, avoids unnecessary exposure, can meet the conventional use requirements, and can be used in special use occasions such as water proofing, moisture proofing, dust proofing and the like.

The utility model discloses formed the closed room that the subregion was set, each part can be arranged in corresponding closed room as required, and the part quantity that the dress carrier part of joining in marriage that corresponds in every closed room set reduces, and the structure of this dress carrier part obtains simplifying, and the manufacturing degree of difficulty is effectively reduced, and is also more convenient when the equipment.

Obviously, the utility model discloses a cooperation setting, the sealing connection of axle sleeve, connecting seat and switch seat have formed the closed room that the subregion set, have solved in step that numerous parts are collected and have been adorned in single carrier part and a great deal of not enough brought.

Drawings

Fig. 1 is a schematic perspective view of a potentiometer with a switch according to a first embodiment of the present invention;

fig. 2 is a schematic view of an exploded structure between a shaft sleeve and a rotating and sliding system according to a first embodiment of the present invention;

fig. 3 is a schematic perspective view of a connection seat according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of a switch assembly assembled on a switch base according to a first embodiment of the present invention.

Fig. 5 is an exploded schematic view of the shaft sleeve and the rotating and sliding system according to the second embodiment of the present invention.

Fig. 6 is a schematic view of an exploded structure among the shaft sleeve, the connecting seat, and the switch seat according to the third embodiment of the present invention.

Fig. 7 is a schematic perspective view of a switch assembly assembled on a switch base according to a fourth embodiment of the present invention.

The switch comprises a shaft sleeve 1, a connecting seat 2, a switch seat 3, a resistor 4, a base body 5, a rotating shaft 6, a movable brush 7, a leading-out terminal 8, a limit stop 9, a cam 10, a movable contact piece 11, a static contact piece 12 and a switch pin 13;

101 a first end, 102 a first wall, 103 an extending end sleeve;

201 is connected with a base, 202 is connected with a second wall, and 203 is riveted with a column;

301 second end, 302 third wall, 303 first mounting assembly, 304 second mounting assembly, 305 locating tab.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly with reference to the accompanying drawings, and it is obvious that the embodiments described are some, but not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the teachings of the following embodiments belong to the scope of protection of the present invention.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

Example one

As shown in fig. 1 to 4, the potentiometer with switch of the present invention includes a shaft sleeve 1, a connecting seat 2, a switch seat 3, a resistor 4, a switch assembly, a rotating and sliding system. Wherein: the resistor body is preferably a carbon film resistor sheet which is commonly used; the switch assembly comprises a switch driving body, a movable contact piece part and a static contact piece part; the rotating and sliding system comprises a base body 5, a rotating shaft 6 which is basically vertically arranged on the base body 5, and a movable electric brush 7 which is arranged on the end wall of the base body 5, wherein the base body 5 and the rotating shaft 6 are preferably integrally formed by injection molding, a positioning column (not marked) for assembling the movable electric brush 7 is also formed on the base body 5 by injection molding, and the movable electric brush 5 is preferably an elastic contact spring piece and is provided with a contact convex part (not marked) for sliding on a carbon film resistor sheet.

The shaft sleeve 1 is an injection molded part and is directly and integrally molded through injection molding, and mainly comprises an end part and a wall body, defined as a first end part 101 and a first wall body 102, wherein the first wall body 102 is basically formed by enclosing the edge of the first end part 101, so that the whole inner space is large. The first end portion 101 is further integrally injection molded with a substantially central shaft through hole (not labeled), and an outer end of the first end portion 10 is provided with an externally protruding external thread hole sleeve (not labeled) along the hole edge.

The connecting seat 2 is also an injection molded part, and is directly formed integrally by injection molding, and mainly includes a connecting seat 201 and a wall body, which is defined as a second wall body 202, where the second wall body 202 is substantially surrounded along the edge of the connecting seat 201, so that the inner space is relatively large. The connecting base 201 is also integrally injection molded with a substantially central shaft through hole (not labeled). The carbon film resistor disc used above is manufactured on the end wall of the connection base body 201 when the connection base 2 is injection molded, and the connection base 2 is also manufactured with the lead-out terminal 8 which is protruded in the radial direction and is disposed with the carbon film resistor disc.

Referring to the top and bottom directions shown in fig. 2 and 3, when the rotating shaft 6 is mounted in the shaft insertion hole of the shaft sleeve 1, the operating end, i.e., the outer end, of the rotating shaft 6 extends out of the male screw hole sleeve, and the movable brush 5 is mounted on the lower end wall of the base body 5, while the carbon film resistor disc is mounted on the upper end wall of the connection base body 201. At this time, the operation end of the operation shaft 6 rotates to drive the movable brush 5 to move, and the contact convex part of the movable brush 5 slides along the carbon film resistor disc. Certainly, the rotating shaft 6 and the rotating shaft mounting hole of the connecting base 201 are both provided with a matched limit stop 9 to prevent the rotating shaft 6 from rotating excessively, so as to ensure that the contact convex part of the movable brush 5 always slides on the carbon film resistor disc without sliding out of the carbon film resistor disc.

The switch base 3 is also an injection molded part, and is directly and integrally molded by injection molding, and mainly includes an end portion and a wall body, which is defined as a second end portion 301 and a third wall body 302, wherein the third wall body 302 substantially encloses the edge of the second end portion 301, and the whole internal space is relatively large. During injection molding, the switch base 3 is further integrally molded with a switch pin via hole (not labeled), and a first mounting assembly 303 and a second mounting assembly 304 of a second mounting assembly, where the first mounting assembly 303 and the second mounting assembly 304 are both formed by two paired base bodies, the bottom of each base body is connected to the second end 301, and the side of each base body is connected to the third wall 302, and thus, each base body is disposed as close as possible to the third wall 302, so as to leave a sufficient mounting space for the switch assembly.

The switch driving body of the switch assembly is actually a cam 10 fitted at the inner end of the rotating shaft 6, and the cam 10 is provided with a push portion (not labeled). The movable contact piece part and the static contact piece part respectively comprise a movable contact piece 11 and a static contact piece 12, and the movable contact piece 11 and the static contact piece 12 are bent approximately at ninety degrees. The short straight edge and the bent portion of the moving contact 11 are clamped between the two bases of the first mounting assembly 303, and the bottom of the short straight edge extends downward and is inserted into the switch pin via hole and extends out of the second end 301 to form a switch pin 13. The end part of the long straight edge of the movable contact piece 11 is provided with a movable contact (not marked), and the approximate middle part of the long straight edge of the movable contact piece 11 is provided with a bent push-bearing part (not marked). A straight edge and a bent portion of the static contact 12 are clamped between the two seat bodies of the second mounting assembly 304, and the other straight edge is against one end of one of the seat bodies and is provided with a static contact. Thereby, with the rotation of the rotating shaft 6, the pushing part of the cam 10 pushes the pushing part of the movable contact 11, so that the movable contact is separated from the fixed contact. And the clamped straight edge on the static contact 12 continues to extend downwards and is inserted into the switch pin via hole and extends out of the second end 301, so as to form a switch pin 13. It can be seen that the two switch pins 13 are one switch pin formed by the movable contact piece 11 and one switch pin formed by the fixed contact piece 12.

During assembly, the movable electric brush 7 is firstly arranged on the lower end wall of the base body 5, then the rotating shaft 6 is arranged in the rotating shaft penetrating hole of the shaft sleeve 1, and the control end of the rotating shaft 6 extends out of the external thread hole sleeve, so that the assembly of the rotating and sliding system and the shaft sleeve 1 is completed. Of course, in order to form a sealing assembly between the rotating shaft and the shaft sleeve, a sealing ring is arranged between the shaft sleeve 1 and the rotating shaft 6 to realize a sealing effect.

Next, the connecting seat 2 and the shaft sleeve 1 are assembled, the lower end, i.e., the inner end, of the rotating shaft 6 is inserted into the rotating shaft insertion hole of the connecting seat body 201, and in the process of insertion, the first wall 102 and the second wall 202 are gradually aligned and sleeved with each other. Certainly, in order to form a sealed connection, the first wall 102 is provided with an extending end sleeve 103 slightly retracted into the shaft sleeve 1 to be attached to the inner wall of the second wall 202, and the extending end sleeve is connected and fixed by ultrasonic welding, so that a closed chamber is formed after the shaft sleeve 1 and the connecting seat 2 are assembled and connected, and the closed chamber is defined as a first closed chamber (not marked) and used for arranging the resistor, the base body, the rotating shaft, the movable brush, the leading-out end, the sealing ring and other components. Therefore, the control end of the rotating shaft is rotated, and the rotating shaft drives the movable electric brush on the base body to slide along the resistor body. Thereby completing the assembly of the shaft sleeve and the connecting seat.

And finally, assembling the connecting seat 2 and the switch seat 3, wherein before assembly, a switch driving body, namely the cam 10 is firstly arranged at the end part of the rotating shaft 6, namely the inner end of the rotating shaft extending out of the end part of the connecting seat body 201. The third wall 302 is then butt-connected to the connection housing 201. Of course, in order to realize the butt joint of the two, the end of the third wall 302 is provided with a positioning protrusion 305, and the end of the connection base 201 is provided with a matching positioning groove (not marked and shown) to realize the positioning butt joint of the two. A closed chamber (not labeled) is formed between the butt-jointed connection seat 2 and the switch seat 3, and is defined as a second closed chamber, so that the switch assembly, the inner end of the rotating shaft and other components are arranged. Here, the connection holder 2 and the switch holder 3 are also connected by ultrasonic welding to form a closed chamber.

It should be noted that, axle sleeve, connecting seat, the preliminary butt joint of switch seat three back, can wholly carry out ultrasonic welding and connect, whole ultrasonic welding connects fast, efficient like this.

The utility model discloses a take switch potentiometre, inside possesses two enclosure bodies, can set corresponding part separately, has avoided multipart collection dress to dispose on single carrier part, and whole inside and exterior structure are succinct, has reduced the processing degree of difficulty of part, has improved the convenience of equipment, and sets the interior establishment of back formation, has avoided outer hourglass, has protected the part, and possesses and seal, sealed effect, can satisfy the use of special environment such as waterproof, dustproof, dampproofing.

Example two

Referring to fig. 5, in the present embodiment, unlike the first embodiment, the resistor 4 is provided on the inner end wall of the first end portion 101 of the sleeve 1, and at this time, the movable brush 7 is fitted on the upper end wall of the base 5. The leading-out end 8 is arranged on the shaft sleeve 1 and extends out of the shaft sleeve 1 in the radial direction.

EXAMPLE III

Referring to fig. 6, in the present embodiment, unlike the first embodiment, the shaft sleeve 1, the connecting seat 2, and the switch seat 3 are connected by riveting. At this time, the front end and the back end of the connecting seat 2 are provided with a plurality of riveting columns 203 which extend along the axial direction and are distributed at intervals along the circumferential direction, and the shaft sleeve 1 and the switch seat 3 are provided with corresponding riveting holes (not marked and shown), so that the shaft sleeve 1, the connecting seat 2 and the switch seat 3 are connected through riveting. The rivet stud 203 can preferably be injection molded directly together with the connecting socket 2.

Example four

Referring to fig. 7, in the present embodiment, unlike the first embodiment, the switch pin 13 laterally protrudes out of the switch base 3. At this time, the switch base 3 is manufactured into a switch pin 13 which radially extends out of the switch base 3 during injection molding, and the movable contact piece 11 and the static contact piece 12 are respectively connected with the inner end of the corresponding switch pin 13. At this time, the movable contact piece 11 and the fixed contact piece 12 do not extend downward beyond the switch pin 13 any more. For special installation situations, such as a relatively large lateral or horizontal space, but a relatively tight longitudinal or vertical space, the radially extending switch pins 13 are particularly suitable.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A potentiometer with a switch is characterized in that: comprises a shaft sleeve, a connecting seat, a switch seat, a resistor body, a rotating and sliding system and a switch assembly;

the connecting seat is connected with the shaft sleeve to form a first closed chamber, and the connecting seat is also connected with the switch seat to form a second closed chamber;

the first closed chamber is provided with a resistor body and a rotating and sliding system;

the second closed chamber is provided with a switch assembly.

2. A potentiometer with switch according to claim 1, wherein the shaft sleeve has an end portion, the connecting base has a connecting base, at least one of the end portion and the connecting base has a wall surrounding the end portion and the connecting base, and the end portion, the wall and the connecting base together form the first closed chamber;

the switch base is provided with an end part, the connecting base is provided with a connecting base body, at least one of the end part and the connecting base body is provided with a wall body which is arranged along the end part and the connecting base body in an enclosing way, and the end part, the wall body and the connecting base body jointly construct the second closed chamber.

3. A potentiometer according to claim 2, wherein the sleeve is provided with a first wall surrounding along an edge of an end portion thereof, the connecting base is provided with a second wall surrounding along an edge of a connecting base thereof, and the first wall and the second wall are connected, whereby the end portion of the sleeve, the first wall, the second wall and the connecting base together define the first closed chamber;

the switch seat is provided with a third wall body which is arranged along the edge part of the end part of the switch seat in an enclosing way, and the third wall body is connected with the connecting seat body, so that the end parts of the connecting seat body, the third wall body and the switch seat are jointly enclosed into the second closed chamber.

4. A potentiometer with switch according to claim 2, wherein the rotating and sliding system comprises a base, a rotating shaft disposed on the base, and a movable brush mounted on an end wall of the base, wherein the movable brush is disposed corresponding to the resistor;

the resistor is at least arranged on one of the inner end wall of the end part of the shaft sleeve and the inner end wall of the connecting seat body opposite to the end part of the shaft sleeve.

5. A switched potentiometer according to claim 3, wherein the switch combination comprises a movable contact part and a stationary contact part, the switch base being provided with a first mounting assembly for fitting the movable contact of the movable contact part, and a second mounting assembly for fitting the stationary contact of the stationary contact part.

6. The switch-equipped potentiometer according to claim 5, wherein the first mounting assembly and the second mounting assembly are disposed on the inner end wall of the switch base and adjacent to the third wall of the switch base.

7. A potentiometer according to claim 6, wherein the first and second mounting assemblies are secured to the third wall.

8. A potentiometer with switch according to claim 5, characterized in that the first mounting assembly comprises two bodies which are arranged in a matching way, one end of the movable contact piece is clamped between the two bodies, and the other end of the movable contact piece is provided with a movable contact;

the second mounting assembly comprises two seat bodies which are arranged in a matched mode, the static contact piece is clamped between the two seat bodies and is provided with a static contact, and the movable contact and the static contact are arranged correspondingly;

the switch assembly further comprises a switch driving body, a bearing and pushing part which is used for the switch driving body to push against to separate the movable contact from the static contact is arranged on the movable contact, and the switch driving body is provided with a pushing part matched with the bearing and pushing part.

9. A potentiometer with a switch according to claim 1 or 3, wherein the shaft sleeve, the connecting seat and the switch seat are injection molded parts and are connected by ultrasonic welding.

10. A potentiometer with a switch according to claim 1 or 3, wherein the shaft sleeve, the connecting seat and the switch seat are injection molded parts;

the positive and negative both ends of connecting seat are provided with a plurality of riveting posts that extend along the axial and lay along circumference interval, set up corresponding riveting hole on axle sleeve, the switch seat, axle sleeve, connecting seat, switch seat pass through the riveting and connect.