阅读说明：本技术 电梯开关防尘结构 (Elevator switch dustproof construction ) 是由 戴俊杰 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种电梯开关防尘结构,包括开关本体、主触件和副触件,所述开关本体包括底座,底座上设置有主触开关和副触开关,所述底座上方设置有防护罩,所述防护罩对应主触开关上方设置有主触滑动接触装置,所述主触滑动接触装置与防护罩沿竖直方向滑动,所述防护罩对应副触开关侧面设置有副触滑动接触装置,所述副触滑动接触装置与防护罩沿横向滑动,所述主触滑动接触装置与副触滑动接触装置结构相同,本发明主触件和副触件均与开关本体之间无电连接,即其仅做驱动作用,而开关本体内部实际实现基本密封结构,无直接与外界相通之处,同时可以避免异物进入,大大提高防护等级。(The invention discloses a dustproof structure of an elevator switch, which comprises a switch body, a main contact part and an auxiliary contact part, wherein the switch body comprises a base, a main contact switch and an auxiliary contact switch are arranged on the base, a protective cover is arranged above the base, a main contact sliding contact device is arranged above the protective cover corresponding to the main contact switch, the main contact sliding contact device and the protective cover slide along the vertical direction, an auxiliary contact sliding contact device is arranged on the side surface of the protective cover corresponding to the auxiliary contact switch, the auxiliary contact sliding contact device and the protective cover slide along the transverse direction, the main contact sliding contact device and the auxiliary contact sliding contact device have the same structure, the main contact part and the auxiliary contact part of the dustproof structure are in non-electric connection with the switch body, namely, the main contact part and the auxiliary contact part only perform a driving action, a basic sealing structure is actually realized in the switch body, no part which is directly communicated with the outside is arranged, and foreign matters can be avoided from entering, the protection level is greatly improved.)

1. The utility model provides an elevator switch dustproof construction which characterized in that: including switch body, main contact and vice contact, the switch body includes the base, is provided with on the base and mainly touches the switch and vice contact switch, the base top is provided with the protection casing, the protection casing corresponds mainly to touch the switch top and is provided with mainly and touches sliding contact device, mainly touch sliding contact device and protection casing and slide along vertical direction, the protection casing corresponds vice switch side of touching and is provided with vice sliding contact device that touches, vice sliding contact device and protection casing are along lateral sliding, it is the same with vice sliding contact device structure to touch sliding contact device mainly.

2. The elevator switch dustproof structure according to claim 1, characterized in that: the main contact sliding contact device comprises a sliding block, a contact piece and a return spring, wherein the contact piece is arranged on the sliding block, and the sliding block is connected with the return spring.

3. The elevator switch dustproof structure according to claim 2, characterized in that: the protection cover is characterized in that a U-shaped bolt is arranged on the main contact part, the U-shaped bolt is fixed to the lower portion of the main contact part and forms a U-shaped groove with the main contact part, a reset hook is further arranged in the protection cover and rotatably arranged in the protection cover, the bottom of the reset hook is connected with the sliding block, and the top of the reset hook is located above the sliding block.

4. The elevator switch dustproof structure according to claim 3, characterized in that: the secondary contact is structurally identical to the primary contact.

5. The elevator switch dustproof structure according to claim 4, characterized in that: the main touch switch comprises a pair of main touch elastic sheets, the main touch elastic sheets are horizontally arranged, one end of each main touch elastic sheet is fixed on the base, and the other end of each main touch elastic sheet is positioned below the main touch sliding contact device; the auxiliary touch switch comprises a pair of auxiliary touch elastic pieces, one end of each auxiliary touch elastic piece is fixed on the base, and the other end of each auxiliary touch elastic piece is located on one transverse side of the auxiliary touch sliding contact device.

Technical Field

The invention belongs to the technical field of elevator switches, and particularly relates to a dustproof structure of an elevator switch.

Background

The door lock for the elevator landing door is an important part for safe operation of the elevator, the door lock for the elevator landing door is a safety protection device for the elevator landing door, the door lock hook on the door lock is a device for automatically closing and locking the elevator landing door, and the door lock device for the elevator landing door is used for keeping the closed and locked state of the elevator landing door, so that the elevator landing door and the hall door are ensured to be tightly closed, and the danger that the elevator door is easily opened is avoided.

At present, when an asynchronous door knife technology is adopted, a locking hook needs to perform rotary motion firstly and then perform translational motion in the door closing process, a plug-in switch cannot be adopted due to complex motion track, fingers or solid foreign matters easily enter the locking hook inlet and outlet of a traditional protective cover, so that the protective grade is low, and the requirement of IP2X is difficult to meet.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the switch which has no electric connection between the main contact part and the auxiliary contact part and the switch body, namely, the main contact part and the auxiliary contact part only have a driving function, and the inside of the switch body actually realizes a basic sealing structure without a part directly communicated with the outside, and simultaneously, foreign matters can be prevented from entering, and the protection grade is greatly improved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an elevator switch dustproof construction, includes switch body, main contact and vice contact, the switch body includes the base, is provided with on the base that the owner touches the switch and vice touch switch, the base top is provided with the protection casing, the protection casing corresponds the owner and is provided with owner and touches sliding contact device above touching the switch, owner touches sliding contact device and protective cover and slides along vertical direction, the protection casing corresponds vice switch side of touching and is provided with vice sliding contact device that touches, vice sliding contact device and protective cover along lateral sliding, owner touches sliding contact device and vice sliding contact device structure the same that touches.

Further the main contact sliding contact device comprises a sliding block, a contact piece and a return spring, wherein the contact piece is arranged on the sliding block, and the sliding block is connected with the return spring.

The protection cover is provided with a U-shaped bolt, the U-shaped bolt is fixed on the lower portion of the main contact and forms a U-shaped groove with the main contact, a reset hook is further arranged in the protection cover and rotatably arranged in the protection cover, the bottom of the reset hook is connected with the sliding block, and the top of the reset hook is located above the sliding block.

Further the secondary contact is structurally identical to the primary contact.

The main touch switch comprises a pair of main touch elastic sheets, the main touch elastic sheets are horizontally arranged, one end of each main touch elastic sheet is fixed on the base, and the other end of each main touch elastic sheet is positioned below the main touch sliding contact device; the auxiliary touch switch comprises a pair of auxiliary touch elastic pieces, one end of each auxiliary touch elastic piece is fixed on the base, and the other end of each auxiliary touch elastic piece is located on one transverse side of the auxiliary touch sliding contact device.

Compared with the prior art, the invention has the beneficial effects that: when the landing door is normally closed, the main contact sliding contact device and the auxiliary contact sliding contact device are respectively communicated with the main contact switch and the auxiliary contact switch, at the moment, return springs of the main contact sliding contact device and the auxiliary contact sliding contact device are both in a compressed state, and at the moment, a sliding block of the main contact sliding contact device, a sliding block of the auxiliary contact sliding contact device and a protective cover form a whole to cover the base, so that no exposed part exists, and good protection is achieved.

Drawings

Fig. 1 is a sectional view of a dustproof structure of an elevator switch according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of the main touch switch, the sub touch switch, and the main touch sliding contact device and the sub touch sliding contact device of the present invention when they are disconnected.

Reference numerals: 1. a base; 2. a protective cover; 3. a main contact; 31. a U-shaped bolt; 4. a secondary contact; 5. a main-contact sliding contact device; 51. a slider; 52. a contact pad; 53. resetting the hook; 6. a sub-contact sliding contact device; 7. a main touch switch; 8. and a secondary touch switch.

Detailed Description

Embodiments of the dustproof structure of the elevator switch according to the present invention will be further described with reference to fig. 1 to 3.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The utility model provides an elevator switch dustproof construction, includes switch body, main contact 3 and vice contact 4, the switch body includes base 1, is provided with on the base 1 that the owner touches switch 7 and vice switch 8 that touches, 1 top of base is provided with protection casing 2, protection casing 2 corresponds and mainly touches switch 7 top and be provided with owner and touch sliding contact device 5, the owner touches sliding contact device 5 and 2 vertical direction slides along with the protection casing, protection casing 2 corresponds vice switch 8 side and is provided with vice sliding contact device 6 that touches, vice sliding contact device 6 and the protection casing 2 along lateral sliding of touching, owner touches sliding contact device 5 and vice sliding contact device 6 the same structure that touches.

The main contact sliding contact device 5 preferred in this embodiment includes a slider 51, a contact piece 52, and a return spring, wherein the contact piece 52 is disposed on the slider 51, and the slider 51 is connected to the return spring.

As shown in fig. 1, when the main contact 3 is connected to the switch body, the main contact 3 presses the sliding block 51 of the main contact sliding contact device 5 downwards, so that the main contact switch 7 is connected through the contact piece 52 on the main contact sliding contact device 5, usually, the auxiliary contact 4 is also connected to the switch body synchronously, the auxiliary contact 4 transversely presses the sliding block 51 of the auxiliary contact sliding contact device 6 rightwards, so that the auxiliary contact switch 8 is connected through the contact piece 52 on the auxiliary contact sliding contact device 6, and the whole circuit is conducted, at this time, when the landing door is closed; when the landing door is opened, the main contact 3 and the auxiliary contact 4 both leave the switch body, at this time, the slide block 51 of the main-contact sliding contact device 5 is sprung upward by the action of the return spring, and the contact piece 52 of the main-contact sliding contact device 5 leaves the main-contact switch 7, and at the same time, the slide block 51 of the auxiliary-contact sliding contact device 6 moves leftward by the action of the return spring, and the contact piece 52 of the auxiliary-contact sliding contact device 6 leaves the auxiliary-contact switch 8.

In this embodiment, a U-shaped bolt 31 is preferably disposed on the main contact 3, the U-shaped bolt 31 is fixed to the lower portion of the main contact 3 and forms a U-shaped groove with the main contact 3, a reset hook 53 is further disposed in the protective cover 2, the reset hook 53 is rotatably disposed in the protective cover 2, the bottom of the reset hook 53 is connected with the slider 51, and the top of the reset hook is located above the slider 51.

The preferred secondary contact 4 of this embodiment is of the same construction as the primary contact 3.

When the U-shaped bolt 31 of the main contact part 3 presses the sliding block 51 of the main contact sliding contact device 5, the top end of the reset hook 53 extends into the U-shaped groove, and when the main contact part 3 leaves, the U-shaped bolt 31 drives the reset hook 53 to rotate so as to push the sliding block 51 to move upwards; the principle of the cooperation of the secondary contact 4 with the secondary contact sliding contact device 6 is the same as described above.

The preferred main touch switch 7 of this embodiment includes a pair of main touch elastic pieces, the main touch elastic pieces are horizontally arranged, one end of each main touch elastic piece is fixed on the base 1, and the other end is located below the main touch sliding contact device 5; the auxiliary touch switch 8 comprises a pair of auxiliary touch elastic pieces, one end of each auxiliary touch elastic piece is fixed on the base 1, and the other end of each auxiliary touch elastic piece is positioned on one transverse side of the auxiliary touch sliding contact device 6.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.