CN204809100U

CN204809100U - Elevator power lock

Info

Publication number: CN204809100U
Application number: CN201520564300.2U
Authority: CN
Inventors: 林祥荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-07-21
Filing date: 2015-07-21
Publication date: 2015-11-25
Anticipated expiration: 2025-07-21

Abstract

The utility model relates to an elevator power lock, including lock core, base and the buckle of lock on the base, the base by the intermediate position have with the lock tube of lock core adaptation, the protrusion of lock core part the top face of lock tube forms the bulge, the lock tube with all side positions of bulge are put to be provided with and are accompanyed or follow the lock core pivoted and contain the body, should contain the body have with the second portion of containing of lock tube adaptation, the bottom border of the second portion of containing has the radial outside cam edge that extends, the constant head tank that has radial indent on the lateral surface at this cam edge, have the spring holder on the base and fixed mounting has micro -gap switch, be provided with spring and location terminal in the spring holder, the second contain the portion the outer face of cylinder on, be in the top position at cam edge has the radial outside depression bar that extends, the depression bar along with lock core pivoted moving trajectory with some contacts of micro -gap switch tool to lock are crossing. Modern design, simple structure, operation are reliable and stable.

Description

A kind of elevator power lock

Technical field

The utility model relates to a kind of switching device of elevator power supply, particularly relates to a kind of elevator power lock.

Background technology

Universal along with the livable community of modernization and Business Building, the use of elevator is customary, because elevator is the Move tool directly carrying people, therefore, country also seems to its security performance and particularly pays close attention to, at present at the elevator that China uses, all need every month in theory at least to overhaul once, to ensure personal safety as well as the property safety.When overhauling, elevator must turn off power lock to prevent unexpected generation, and therefore, the reliability and stability of elevator power lock seem particularly important.

In the market, the power lock that elevator uses comprises housing, the lock core being arranged on the cover plate on housing and being arranged in housing, lock tube and cover lock core, circular circuit board on lock tube, circuit board is provided with cover plate, on the cover board offer a window, for binding post is on circuit boards external by this window, therefore, the elevator power lock of this structure due to parts more, assembly process is comparatively complicated, have a strong impact on work task efficiency, and the assembly process of complexity also directly affects functional reliability and the stability of elevator power lock.

Summary of the invention

The purpose of this utility model is the defect overcoming prior art, provide a kind of compact conformation, with low cost, reliable and stable and be convenient to assemble elevator power lock.

For achieving the above object, the utility model adopts a kind of elevator power lock, comprise base, buckle, lock core, described buckle is fastened on described base, having by centre position of described base is one-time formed, and with the lock tube of described lock core adaptation, obviously, this lock tube can directly pass through the one-shot forming of the mode such as punching press or cast on described base, the top end face of the described lock tube of protrusion of described lock core part also forms protuberance, all side positions of described lock tube and described protuberance are provided with the inclusion body of retinue's lock core rotation, this inclusion body has the first containing portion with described protuberance adaptation, and with the second containing portion of described lock tube adaptation, formed by screw between first containing portion of described inclusion body and the protuberance of lock core and fixedly mount, the bottom side edge in described second containing portion is along having the cam edge extended radially outwardly, the lateral surface of this cam edge has the location notch that footpath concaves, described base have spring base and be installed with sensitive switch, spring and positioning terminal is provided with in described spring base, wherein one end of described spring is connected in spring base, the other end is connected on positioning terminal, and then realize described positioning terminal and abut with the elasticity of described cam edge, on the external cylindrical surface in described second containing portion, the top position being in described cam edge has the depression bar extended radially outwardly, the running orbit that described depression bar rotates with lock core is crossing with the contact that described sensitive switch has.

As further setting of the present utility model, described base have two spring bases, spring and positioning terminal is provided with in each spring base, the bottom side edge in described second containing portion is along having two cam edge, two described cam edge with the diameter in the second containing portion for symmetry axis forms symmetry each other, described location notch lay respectively at described cam edge lateral surface by centre position, the corresponding cam edge of described each spring base.

Arrange further again as of the present utility model, on described sensitive switch, on corresponding with described inclusion body side, there is flexure strip, the below of this flexure strip is provided with contact, described depression bar in rotation process, pressing is formed to described flexure strip and and then the crimping formed contact, on described sensitive switch, at a distance, there are on the side of described inclusion body the terminals that at least two are respectively used to input and output.

By the above-mentioned improvement to prior art, the utility model has following many-sided beneficial effect: 1, lock tube of the present utility model is directly once shaping on base, and production technology has been carried out effective simplification, and also refinement and facilitate assembling, 2, the utility model is when rotational lock core, the cam edge in the second containing portion is exerted pressure to positioning terminal, spring-compressed, depression bar rotates along with the rotation of inclusion body thereupon simultaneously, while depression bar crimps with the flexure strip on described sensitive switch, spring rebounds in the position of location notch, positioning terminal is made to be connected in location notch, and flexure strip is owing to being subject to the crimping of depression bar and then pressing the contact travel of sensitive switch, realize the conducting of binding post of sensitive switch in input and output, to sum up describe known, elevator power lock of the present utility model significantly can be heard springback when touching sensitive switch and be connected to the clear and melodious bright sound in location notch, whether therefore user can judge elevator power lock of the present utility model conducting easily, and the elevator power lock of this structure makes user's feel in operation also because the rebound effect of spring is for more strong, be unlikely to misoperation, effective raising processing safety, 3, in the utility model owing to being provided with two symmetrical cam edge, and each cam edge is a corresponding spring base separately, the load-bearing making base is more even, stressed also more well-balanced during operation lock core, effectively improves stability and the reliability of elevator power lock.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of elevator power lock in the utility model.

Fig. 2 is that in the utility model, elevator power lock removes the schematic perspective view after buckle.

Status architecture schematic diagram when Fig. 3 is the sensitive switch conducting in Fig. 2.

Fig. 4 is the schematic perspective view after removing inclusion body in Fig. 2.

Fig. 5 is the schematic perspective view of inclusion body in the utility model.

Fig. 6 is the schematic perspective view of sensitive switch in the utility model.

Fig. 7 is the schematic perspective view of base in the utility model.

Embodiment

As shown in figs. 1-7, the present embodiment is a kind of elevator power lock, from Fig. 1, Fig. 2, Fig. 3 and Fig. 4 is known, the elevator power lock of the present embodiment comprises base 1, buckle 2, lock core 3, described buckle 2 is fastened on described base 1, show in Fig. 1 and Fig. 4, in the present embodiment, having by centre position of described base 1 is one-time formed, and with the lock tube 10 of described lock core 3 adaptation, obviously, the lock tube 10 of the present embodiment can directly pass through the one-shot forming of the mode such as punching press or cast on described base 1, and from Fig. 4 also obviously, the top end face of the described lock tube 10 of protrusion of lock core 3 part in the present embodiment also forms protuberance 30, composition graphs 2 and Fig. 3 known, in the present embodiment, all side positions of described lock tube 10 and described protuberance 30 are provided with the inclusion body 4 of retinue's lock core 3 rotation, obviously known further combined with Fig. 5, inclusion body 4 in the present embodiment has the first containing portion 40 with described protuberance 30 adaptation, and with the second containing portion 41 of described lock tube 10 adaptation, show in Fig. 2 and Fig. 3, formed by screw 5 between first containing portion 40 of described inclusion body 4 and the protuberance 30 of lock core 3 and fixedly mount, also obviously known further combined with Fig. 5, the bottom side edge in described second containing portion 41 is along having two cam edge 410 extended radially outwardly, two described cam edge 410 with the diameter in the second containing portion 41 for symmetry axis forms symmetry each other, and on the lateral surface of described cam edge 410, by centre position, there is the location notch 4100 that footpath concaves, show in Fig. 7, described base 1 have two corresponding with described cam edge 410 respectively spring bases 11 and be installed with a sensitive switch 12, spring 13 and positioning terminal 14 is respectively arranged with in described each spring base 11, wherein one end of described spring 13 is connected in spring base 11, the other end is connected on positioning terminal 14, and then realize described positioning terminal 14 and abut with the elasticity of described cam edge 410, also show in Fig. 2 and Fig. 3, on the external cylindrical surface in described second containing portion 41, the top position being in described cam edge 410 has the depression bar 411 extended radially outwardly, the running orbit that described depression bar 411 rotates with lock core 3 is crossing with described sensitive switch 12, composition graphs 6 is obviously known, on the sensitive switch 12 of the present embodiment, on corresponding with described inclusion body 4 side, there is flexure strip 120, the below of this flexure strip 120 is provided with contact 121, known further combined with Fig. 3, described depression bar 411 in rotation process, pressing is formed to described flexure strip 120 and and then form crimping to contact 121, on described sensitive switch 12, at a distance, there are on the side of described inclusion body 4 three terminals 122, be respectively used to input wiring or output end wiring.

More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The protection range that the utility model requires defines according to appended claim and equivalent thereof.

Claims

1. an elevator power lock, comprise base, buckle, lock core, described buckle is fastened on described base, it is characterized in that: having by centre position of described base is one-time formed, and with the lock tube of described lock core adaptation, the top end face of the described lock tube of protrusion of described lock core part also forms protuberance, all side positions of described lock tube and described protuberance are provided with the inclusion body of retinue's lock core rotation, this inclusion body has the first containing portion with described protuberance adaptation, and with the second containing portion of described lock tube adaptation, the bottom side edge in described second containing portion is along having the cam edge extended radially outwardly, the lateral surface of this cam edge has the location notch that footpath concaves, described base have spring base and be installed with sensitive switch, spring and positioning terminal is provided with in described spring base, wherein one end of described spring is connected in spring base, the other end is connected on positioning terminal, and then realize described positioning terminal and abut with the elasticity of described cam edge, on the external cylindrical surface in described second containing portion, the top position being in described cam edge has the depression bar extended radially outwardly, the running orbit that described depression bar rotates with lock core is crossing with the contact that described sensitive switch has.

2. a kind of elevator power lock according to claim 1, it is characterized in that: described base has two spring bases, spring and positioning terminal is provided with in each spring base, the bottom side edge in described second containing portion is along having two cam edge, two described cam edge with the diameter in the second containing portion for symmetry axis forms symmetry each other, described location notch lay respectively at described cam edge lateral surface by centre position, the corresponding cam edge of described each spring base.

3. a kind of elevator power lock according to claim 1 and 2, it is characterized in that: on described sensitive switch, on corresponding with described inclusion body side, there is flexure strip, the below of this flexure strip is provided with contact, described depression bar in rotation process, pressing is formed to described flexure strip and and then the crimping formed contact, on described sensitive switch, at a distance, there are on the side of described inclusion body the terminals that at least two are respectively used to input and output.

4. a kind of elevator power lock according to claim 1 and 2, is characterized in that: formed by screw between the first containing portion of described inclusion body and the protuberance of lock core and fixedly mount.