CN210272128U

CN210272128U - Locking switch

Info

Publication number: CN210272128U
Application number: CN201921499879.3U
Authority: CN
Inventors: 刘锡安; 徐建新; 杨森
Original assignee: Qingdao Ccs Vfd Motor Co ltd
Current assignee: Qingdao CCS Electric Corp
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-04-07
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a latching switch, including: the switch comprises a switch body, wherein a microswitch is arranged on the switch body; the locking piece is assembled in the switch body and can slide relative to the switch body, and a limiting part is arranged on the outer side surface of the locking piece; the locking rod is assembled in the locking piece, and a hanging part is arranged on the locking rod; the elastic damping structure is assembled in the switch body and is used for matching with the limiting part to limit the locking part when the locking part stops sliding; the elastic resetting piece is positioned in the locking piece and used for popping out the locking rod after the locking piece extends out to trigger the microswitch and is positioned by the elastic damping structure; and the limiting element is used for limiting the sliding stroke of the locking rod and the locking piece. When the locking switch is locked, the locking piece is limited and fixed, and can not be pulled out, thereby ensuring the safety; meanwhile, the padlock is arranged on the lock rod, so that electric locking can be realized, meanwhile, the padlock can be used, an operator can lock the rear padlock when operating the equipment, other personnel are prevented from operating the equipment by mistake, and the safety is improved.

Description

Locking switch

Technical Field

The utility model belongs to the technical field of electrical equipment, concretely relates to improvement of shutting switch structure.

Background

Whether civil or special purpose, all can have the design of blocking switch on a large amount of electrical equipment, and current blocking switch, operating personnel when inspection or maintenance equipment after the shutting, other technical personnel do not know this equipment is in the shutting state, and the easy maloperation leads to the security problem.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel locking switch structure, when the locking switch is locked, the locking piece is limited and fixed, and can not be pulled out, thereby ensuring the safety; meanwhile, the padlock is arranged on the lock rod, so that electric locking can be realized, meanwhile, the padlock can be used, an operator can lock the rear padlock when operating the equipment, other personnel are prevented from operating the equipment by mistake, and the safety is further improved.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a latching switch comprising:

the switch comprises a switch body, a switch body and a control unit, wherein a microswitch is assembled on the switch body;

a locking piece which is assembled inside the switch body and can slide relative to the switch body, and a limiting part is arranged on the outer side surface of the locking piece;

the locking rod is assembled in the locking piece and can slide relative to the locking piece, and a hanging part is arranged on the locking rod;

the elastic damping structure is assembled in the switch body and is used for matching with the limiting part to limit the locking part when the locking part stops sliding;

the elastic resetting piece is positioned in the locking piece and used for popping out the locking rod after the locking piece extends out to trigger the microswitch and is positioned by the elastic damping structure;

and the limiting element is used for limiting the sliding stroke of the locking rod and the locking piece.

Further, the locking part comprises a body section and a triggering section connected with the body section, and the cross-sectional area of the triggering section is continuously reduced from the end part of the body section to the end part of the triggering section.

Furthermore, a cavity is formed in the locking part corresponding to the body section, the locking rod is inserted into the cavity, one end of the elastic reset piece abuts against the end part of the locking rod, and the other end of the elastic reset piece abuts against the trigger section.

Further, the hanging part is a hanging lock hole arranged on the lock rod.

Further, a fitting cavity is formed inside the switch body, the locking piece is fitted in the fitting cavity, and the fitting cavity is provided with a first opening.

Further, micro-gap switch is provided with one at least, is located first open-ended week, micro-gap switch has the trigger point, the orthographic projection of trigger point to first open-ended place face is located the inside of first opening contour line.

Further, spacing portion is for forming spacing groove on the lateral surface of shutting piece, the spacing groove is equipped with 1 at least, sets up along the shutting piece axial, and each all sets up along the circumference of shutting piece.

Furthermore, the elastic damping structure comprises a damping ball, a damping spring and a damping nut, a mounting hole which is perpendicular to the axial direction of the locking part is formed in the switch body, the damping ball is partially assembled in the limiting groove, the damping spring is abutted against the damping ball, and the damping nut is screwed and fixed in the mounting hole and abutted against the damping spring.

Furthermore, the limiting element is a limiting pin, a first limiting long groove penetrating through the locking piece is formed in the locking piece, the first limiting long groove is formed in the axial direction of the locking piece, a second limiting long groove penetrating through the locking rod is formed in the locking rod, the second limiting long groove is formed in the axial direction of the locking rod, 2 insertion holes are formed in the switch body, and the limiting pin sequentially penetrates through one of the insertion holes, the first limiting long groove, the second limiting long groove and the other insertion hole.

Furthermore, limit structures which are matched with each other are arranged on the switch body and the locking piece, and each limit structure comprises a first limit bulge arranged on the switch body and a second limit bulge arranged on the locking piece.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the utility model provides a locking switch, locking switch include locking lever and cover establish the latch outside the locking lever, are equipped with spacing portion on the lateral surface of latch, through spacing portion and elastic damping structure's cooperation and the double-deck limiting displacement of spacing component, can ensure that latch can't extract from whole switch body after shutting, improved the security after shutting, can not produce the problem that the accident leads to because of other technical staff's maloperation extracts the latch;

and simultaneously, the utility model provides a still be provided with on the locking lever and hang the portion of establishing, after the shutting, the locking lever pops out from the shutting, shows out to hang the portion of establishing, establishes the padlock after the portion can realize shutting through hanging, can effectually prevent the problem of other personnel maloperation, further assurance the security.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of the latching switch of the present invention;

FIG. 2 is a schematic structural diagram II of the latching switch of the present invention;

fig. 3 is a schematic structural view of the latching switch of the present invention in an unlatched state;

FIG. 4 is a view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural view of the locking state of the locking switch of the present invention;

FIG. 6 is a view from the B-B direction of FIG. 5;

fig. 7 is a third schematic structural view of the latching switch of the present invention;

fig. 8 is a sectional view taken along line C-C of fig. 7.

Wherein, the switch body is-100; a first opening-110; mounting holes-120; an insertion hole-130; microswitch-200; trigger point-210; a latch-300; a body segment-310; trigger segment-320; a cavity-311; a first limiting long groove-330; a lock bar-400; a second limiting long groove-410; elastic damping structure-500; a damping ball-510; a damping spring-520; a damping nut-530; an elastic reset piece-600; a limiting part-340; a limiting element-700; a hanging part-420; a first limit projection-140; and a second limit projection-350.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides an embodiment of shutting switch, it is shown with reference to fig. 1-8, including: switch body 100 be equipped with micro-gap switch 200 on switch body 100, it is specific, switch body 100 is the annular switch seat, its inside assembly chamber that has first opening 110 that is formed with, the assembly chamber still is equipped with the second opening, the second opening sets up with first opening 110 relatively, be provided with micro-gap switch 200 on switch body 100's the terminal surface that is close to first opening 110, be provided with trigger point 210 on the micro-gap switch 200, micro-gap switch 200's the disconnection that can realize micro-gap switch 200 when trigger point 210 is triggered, micro-gap switch 200 can adopt existing micro-gap switch 200 structure among the prior art, during the concrete connection, micro-gap switch 200 can be connected with corresponding electrical equipment and carry out the electricity, realize the control to the break-make electricity of whole electrical equipment through the disconnection or the switch-on of trigger point 210 that triggers micro-gap switch 200.

The latch 300 is assembled in the assembly cavity of the switch body 100 and can slide relative to the switch body 100, and a limiting portion 340 is disposed on an outer side surface of the latch 300, preferably, the latch 300 is a latch sleeve, the limiting portion 340 is a limiting groove formed on the outer side surface of the latch 300, and the limiting groove is an arc-shaped limiting groove. At least 1 limiting groove is arranged along the axial direction of the locking piece 300, each limiting groove is opened along the circumferential direction of the locking piece 300, and the locking piece 300 can extend out of the first opening 110 of the assembly cavity to realize the triggering of the triggering point 210 on the triggering switch at the end part of the switch body 100.

An elastic damping structure 500 fitted in the switch body 100 for cooperating with the stopper portion 340 to limit the latch 300 when it stops sliding; the elastic damping structure 500 includes a damping ball 510, a damping spring 520 and a damping nut 530, a mounting hole 120 is provided in the switch body 100 and is perpendicular to the axial direction of the locking member 300, the damping ball 510 is partially assembled in the limiting groove, the damping spring 520 abuts against the damping ball 510, and the damping nut 530 is screwed and fixed in the mounting hole 120 and abuts against the damping spring 520. The damping nut 530 is screwed and fixed in the switch body 100 to apply pressure to the spring, the spring applies acting force to the damping ball 510, the damping effect on the closing member 300 is realized through the matching of the damping ball 510 and the limiting groove, the closing member 300 can move by overcoming the acting force of the damping ball 510 when being subjected to axial pressure, meanwhile, the damping spring 520 arranged above the damping ball 510 can be deformed after being stressed, a buffering deformation space can be provided for the damping ball 510 when the damping ball 510 is subjected to force, and the closing member 300 can move forwards after being stressed.

Latch 300 includes a body section 310 and a trigger section 320 connected to body section 310, trigger section 320 having a diameter smaller than that of body section 310, trigger section 320 having a cross-sectional area that decreases from the end of body section 310 to the end of trigger section 320, preferably trigger section 320 being a tapered section. A cavity 311 is formed in the latch 300 corresponding to the body section 310, the lock rod 400 is inserted in the cavity 311, the lock rod 400, preferably a cylindrical lock rod 400, can slide relative to the latch 300, specifically, the lock rod 400 is inserted in the cavity 311 of the body section 310, a space is formed between the end of the lock rod 400 and the trigger section 320, the elastic reset member 600 is correspondingly assembled in the space between the end of the lock rod 400 and the trigger section 320, one end of the elastic reset member 600 abuts against the end of the lock rod 400, and the other end abuts against the trigger section 320. Of course, in this embodiment, the triggering section 320 may also form a cavity therein, so long as the diameter of the cavity is smaller than the diameter of the cavity 311 in the body section 310, which can ensure that one end of the elastic restoring member 600 abuts against the end of the locking rod 400 and the other end abuts against the triggering section 320 after being assembled in the locking member 300, and the specific arrangement form is not limited herein.

Preferably, the elastic restoring member 600 in this embodiment is a spring for ejecting the lock bar 400 after the latch 300 is extended to trigger the micro switch 200 and is positioned by the elastic damping structure 500.

In order to realize the padlock function, the lock rod 400 is further provided with a hanging portion 420 in the present embodiment, specifically, the hanging portion 420 is a padlock hole provided on the lock rod 400, and preferably, the padlock hole is provided at an end position of the lock rod 400.

The limiting element 700 is used for limiting the sliding stroke of the locking piece by the locking rod 400 and closing the locking piece, specifically, the limiting element 700 in this embodiment is a limiting pin, a first limiting long groove 330 penetrating through the locking piece 300 is formed on the locking piece 300, the first limiting long groove 330 is formed along the axial direction of the locking piece 300, a second limiting long groove 410 penetrating through the locking rod 400 is formed on the locking rod 400, the second limiting long groove 410 is collinear with the axial line of the first limiting long groove 330 and has the same length and shape, the switch body 100 is provided with insertion holes 130, the insertion holes 130 are provided with 2 number, the insertion holes 130 are respectively formed on two opposite side walls of the switch body 100, when assembling is performed, the limiting pin sequentially penetrates through the insertion hole 130, the first limiting long groove 330 and the second limiting long groove 410 on one side wall of the switch body 100 and then is inserted into the insertion hole 130 on the other side wall of the switch body 100, the connection assembly between the limit pin and the locking member 300 and the locking rod 400 is realized, due to the limit function of the limit pin, the locking member 300 and the locking rod 400 can only move within a certain range, the movable distance is the length of the first limit long groove 330 or the second limit long groove 410, when the locking member 300 moves to the position where the limit pin abuts against the two ends of the first limit long groove 330, the limit can be realized, and correspondingly, when the locking rod 400 moves to the position where any one of the two ends of the second limit long groove 410 abuts against the limit pin, the limit can be realized.

Meanwhile, the locking member 300 and the locking rod 400 can be further prevented from falling off from the switch body 100 through the limiting function of the limiting pin, and the safety and the use stability of the whole locking switch structure are guaranteed.

Further, at least one micro switch 200 is arranged around the first opening 110, the micro switch 200 has a trigger point 210, and an orthographic projection of the trigger point 210 to a plane where the first opening 110 is located inside a contour line of the first opening 110, so as to ensure that a trigger section 320 extending from the first opening 110 can trigger the trigger point 210 on the micro switch 200, thereby realizing on-off control of the micro switch 200.

In order to limit the latch 300 and enable the latch 300 to be pressed to a proper position to trigger the micro switch 200 when the latch is latched, in this embodiment, limit structures which are matched with each other are further arranged on the switch body 100 and the latch 300, each limit structure comprises a first limit protrusion arranged on the switch body 100 and a second limit protrusion arranged on the latch 300, the second limit protrusion is arranged at an end position close to the latch 300, when the latch 300 is pressed, the second limit protrusion extends to the micro switch 200 side to push a contact of the micro switch 200, and when the latch 300 moves to a predetermined position which can trigger the micro switch 200, the second limit protrusion above the latch is clamped on the first limit protrusion of the switch body 100 to realize the limit.

Specifically, in the latching switch of the present embodiment, when the electrical device is in a normal operating state, i.e., in an unlatched state, the latching member 300 protrudes from the opening of the mounting chamber, i.e., the second opening, which is away from the microswitch 200, at this time, the microswitch 200 is normally connected to the electrical device, and the lock rod 400 is correspondingly mounted inside the latching member 300;

when locking is needed, palm force is applied to the ends of the locking member 300 and the locking rod 400, so that the locking member 300 and the locking rod 400 synchronously move along the locking member 300 axially, when the locking member 300 moves, the opening close to the side of the micro switch 200, namely the first opening 110, extends out, when the locking member extends out, the triggering point 210 of the micro switch 200 is pressed and triggered through the side surface of the locking member, and then the micro switch 200 is disconnected, after the locking member 300 moves in place, the locking member 300 is limited and fixed through the matching of the limiting part above the locking member and the elastic damping structure 500, the locking rod 400 slides and pops relative to the locking member 300 under the action of the elastic force of the elastic resetting member 600, at the moment, a padlock hole at the end of the locking member is exposed, and can be used for realizing a padlock, and meanwhile, the locking rod 400 can be ensured not to pop out from.

After the latching switch in the embodiment is latched, the latch 300 can be fixed in a limited manner through the cooperation of the elastic damping structure 500 and the limiting part, and the switch body 100 cannot be pulled out, so that the safety after latching is ensured;

meanwhile, the arrangement of the limiting pin can further ensure that the locking piece 300 cannot be pulled out after being locked, and the safety after being locked is further ensured;

further, the lock rod 400 in this embodiment is further provided with a hanging portion for realizing a padlock, and after the locking operation, the lock rod 400 can be ejected from the locking member 300 to expose the hanging portion 420 for the padlock, so as to further ensure that other people cannot perform misoperation, and ensure the safety after locking.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A latching switch, comprising:

2. The latching switch of claim 1 wherein said latch member includes a body section and a trigger section connected to said body section, said trigger section having a cross-sectional area that decreases from an end of said body section to an end of said trigger section.

3. The latching switch of claim 2 wherein a cavity is formed in said latching member corresponding to the position of the body section, said locking bar is inserted into said cavity, and said resilient return member has one end abutting against the end of the locking bar and one end abutting against said trigger section.

4. The lockout switch of claim 1, wherein the hanging portion is a hanging hole disposed on the lock bar.

5. The latching switch of claim 1 wherein said switch body has a mounting cavity formed therein, said latch fitting within said mounting cavity, said mounting cavity having a first opening.

6. The latching switch according to claim 5 wherein the microswitch is provided at least one and is located around the first opening, the microswitch having an activation point, the orthographic projection of the activation point onto the surface of the first opening being located within the contour of the first opening.

7. The latching switch according to claim 1, wherein the limiting portion is a limiting groove formed on an outer side surface of the latching member, and at least 1 limiting groove is provided, which is provided in an axial direction of the latching member, and each limiting groove is formed in a circumferential direction of the latching member.

8. The latching switch of claim 7 wherein the resilient damping structure comprises a damping ball, a damping spring and a damping nut, wherein the switch body has a mounting hole perpendicular to the axial direction of the latch, the damping ball partially fits in the retaining groove, the damping spring abuts against the damping ball, and the damping nut is screwed into the mounting hole and abuts against the damping spring.

9. The latching switch of claim 1, wherein the limiting element is a limiting pin, a first limiting long groove penetrating through the latching member is formed in the latching member, the first limiting long groove is formed in the axial direction of the latching member, a second limiting long groove penetrating through the locking rod is formed in the locking rod, the second limiting long groove is formed in the axial direction of the locking rod, 2 insertion holes are formed in the switch body, and the limiting pin sequentially penetrates through one of the insertion holes, the first limiting long groove, the second limiting long groove and the other insertion hole.

10. The latching switch of claim 1 wherein cooperating limit features are provided on the switch body and latch, the limit features comprising a first limit projection provided on the switch body and a second limit projection provided on the latch.