CN213683556U - Protective housing and door lock device - Google Patents

Abstract

The application discloses protective housing and door lock device. The door lock device uses the protective cover shell which comprises a cover shell body, wherein a discharge opening used for loading components is formed in the cover shell body, and a leakage hole used for leaking dust impurities is formed in the bottom in the cover shell body. The utility model provides a cover casing can be used to the installation and places components and parts, especially electric components and parts, and various components and parts can pack into the cover casing through putting the mouth of sending in, and the small opening that cover casing bottom set up can let in the cover casing accumulational dust impurity discharge from the small opening, prevents to pile up too much dust impurity in the cover casing and influence inside components and parts work and receive the influence.

Description

Protective housing and door lock device

Technical Field

The application relates to the field of door lock equipment, in particular to a protective housing and a door lock device.

Background

With the improvement of elevator safety, the standards of elevators are also rising, and a new standard is required: in the well, machine space and pulley, should adopt protection casing (shell) to prevent direct contact electrical equipment, used shell (cover) protection level is not less than IP2X, avoids appearing personnel's electric shock danger in installation debugging and dimension guarantor stage.

Although the existing shell (cover) can meet the corresponding protection requirement, dust impurities are not easy to discharge after entering the dust impurities in the shell (cover), and the excessive dust impurities are easily accumulated in the shell (cover) to influence the work of components.

Disclosure of Invention

In view of this, the present invention is directed to overcome the deficiencies of the prior art, and to provide a protective cover and a door lock device to solve the problem that the impurity and dust in the existing housing (cover) are easy to accumulate

The invention provides a protective cover, comprising: the cover shell is provided with a placing and feeding port for loading components, and the bottom in the cover shell is provided with a leakage hole for leaking impurity dust.

In one embodiment, the portable electronic device further comprises a bottom plate, the cover shell is further provided with a closed opening, the bottom plate covers the closed opening of the cover shell, and the bottom plate is detachably connected with the cover shell.

In one embodiment, the cover shell comprises a first plate body, a second plate body, a third plate body and a fourth plate body, wherein the second plate body, the third plate body and the fourth plate body are arranged around the edge of the first plate body, two ends of the third plate body are respectively connected with the second plate body and the fourth plate body, the second plate body, the third plate body and the fourth plate body are enclosed to form the closed opening, and the bottom plate, the first plate body, the second plate body and the fourth plate body are enclosed to form the delivery opening.

In one embodiment, the first plate body, the second plate body, the third plate body and the fourth plate body are of an integrated structure, and the leak hole is formed in the second plate body, the third plate body or the fourth plate body.

In one embodiment, the maximum width of the discharge port is not more than 12mm, and the minimum distance between the component in the cover shell and the discharge port is not less than 20 mm.

The invention also provides a door lock device, which comprises the cover shell, an auxiliary contact assembly, a main contact assembly, a first lock catch part and a second lock catch part, wherein the auxiliary contact assembly is arranged in the cover shell, the main contact assembly can extend into the cover shell from the releasing port to be electrically connected with the auxiliary contact assembly, the first lock catch part can be mutually locked or separated with the second lock catch part, the first lock catch part and the second lock catch part are mutually locked when the main contact assembly is connected with the auxiliary contact assembly, and the first lock catch part and the second lock catch part are separated when the main contact assembly is disconnected with the auxiliary contact assembly.

In one embodiment, the first locking portion includes a first locking hook, the second locking portion includes a second locking hook, the second locking hook is located at the same side of the cover housing, the first locking hook is located at one side of the cover housing, the primary contact assembly is connected with the first locking hook, and the first locking hook can rotate to be locked with the second locking hook and simultaneously rotate to be in contact with the secondary contact assembly.

In one embodiment, the first latch portion further includes a latch mounting plate on which the first latch hook is mounted through an axle of the fixed wheel, and a fixed wheel around which the first latch hook is rotatable, the latch mounting plate being able to approach or depart from the cover housing.

In one embodiment, the contact device further comprises a telescopic assembly, two ends of the telescopic assembly are respectively connected with the lock catch mounting plate and the first lock hook, and when the first lock hook is buckled with the second lock hook and the primary contact assembly is electrically connected with the secondary contact assembly, the telescopic assembly is in a contracted state.

In one embodiment, a first waist hole is formed in the first lock hook, a second waist hole corresponding to the first waist hole is formed in the main contact assembly, the main contact assembly and the first lock hook are fixed by aligning the first waist hole and the second waist hole and screwing a bolt into the aligned first waist hole and second waist hole, and the first waist hole and the second waist hole extend in different directions.

Compared with the prior art, the invention has the following beneficial effects:

the utility model provides a cover casing can be used to the installation and places components and parts, especially electric components and parts, and various components and parts can pack into the cover casing through putting the mouth of sending in, and the small opening that cover casing bottom set up can let in the cover casing accumulational dust impurity discharge from the small opening, prevents to pile up too much dust impurity in the cover casing and influence inside components and parts work and receive the influence.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is an overall schematic view of a protective enclosure according to one embodiment of the present application;

FIG. 2 is a schematic view of the housing;

FIG. 3 is a schematic view of a door latch mechanism according to one embodiment of the present application;

FIG. 4 schematically illustrates a schematic view of the first latch portion and the primary contact assembly in an enlarged view;

fig. 5 schematically shows a schematic view of the second latch portion and the secondary contact assembly in an enlarged view;

fig. 6 is a schematic view in elevation view schematically showing the second locking portion and the secondary contact assembly.

Description of reference numerals: 100-cover shell, 110-delivery opening, 120-leakage hole, 130-closing opening, 140-first plate body, 150-second plate body, 160-third plate body, 170-fourth plate body, 200-bottom plate, 300-auxiliary contact assembly, 310-auxiliary contact mounting seat, 320-auxiliary contact sheet, 400-main contact assembly, 410-second waist hole, 500-first locking part, 510-first locking hook, 511-first waist hole, 520-locking mounting plate, 530-driving wheel, 540-fixed wheel, 600-second locking part, 700-door head plate, 710-hanging bracket, 800-telescopic assembly, 810-elastic part, 820-limiting column, 830-upper limiting plate and 840-lower limiting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Figure 1 schematically illustrates a protective enclosure according to one embodiment of the present application. As shown in fig. 1 and 2, the protective housing includes a housing body 100, the housing body 100 is provided with a discharge port 110 for accommodating components, and a bottom portion in the housing body 100 is provided with a leak hole 120 for leaking dust and impurities.

The cover shell 100 can be used for mounting and placing components, particularly electrical components, various components can be loaded into the cover shell 100 through the delivery port 110, the leakage hole 120 formed in the bottom of the cover shell 100 can discharge dust impurities accumulated in the cover shell 100 from the leakage hole 120, and the phenomenon that the operation of the internal components is affected due to the fact that excessive dust impurities are accumulated in the cover shell 100 is prevented.

It is noted that, in order to make the enclosure 100 reach the protection level of IP2X, the maximum width of the delivery port 110 is not greater than 12mm, and the minimum distance between the components in the enclosure 100 and the delivery port 110 is not less than 20 mm.

As a preferred embodiment of the above embodiment, as shown in fig. 3, 5 and 6, the present embodiment further includes a bottom plate 200, the cover housing 100 is further provided with a sealing opening 130, the bottom plate 200 covers the sealing opening 130 of the cover housing 100, and the bottom plate 200 is detachably connected to the cover housing 100. The bottom plate 200 is provided to facilitate cleaning of foreign dust accumulated inside the cover case 100, and particularly, the bottom plate 200 is detached from the cover case 100 to expose the sealing opening 130 of the cover case 100, so that the foreign dust accumulated inside the cover case 100 can be cleaned.

Correspondingly, the components can be fixedly mounted on the base plate 200, the cover shell 100 is designed to cover the components, so that the components are protected, when the cover shell 100 needs to be cleaned, the cover shell 100 can be conveniently cleaned by detaching the cover shell 100 from the base plate 200 under the condition of ensuring complete power failure, and the cover shell 100 and the base plate 200 are mounted after the inside of the cover shell 100 is cleaned, so that the cleaning steps are simplified, and the components do not need to be mounted and detached too much.

In the present embodiment, the cover case 100 and the base plate 200 may be mounted by using a screw hole and bolt fitting method, for example, corresponding screw holes may be formed in the edge of the cover case 100 and the base plate 200, and the cover case 100 and the base plate 200 may be fixed by screwing bolts into the screw holes. Of course, other mounting methods may be adopted, for example, a bayonet may be provided on the bottom plate 200, and a snap corresponding to the bayonet may be provided on the cover case 100. No matter what kind of connection mode is adopted, the principle that the disassembly and the assembly are convenient and the fixing effect is good should be followed.

As an optimized implementation manner of the above embodiment, as shown in fig. 1, the housing includes a first plate 140, a second plate 150, a third plate 160, and a fourth plate 170, the second plate 150, the third plate 160, and the fourth plate 170 are disposed around an edge of the first plate 140, two ends of the third plate 160 are respectively connected to the second plate 150 and the fourth plate 170, the second plate 150, the third plate 160, and the fourth plate 170 enclose to form a closed opening 130, and the bottom plate 200, the first plate 140, the second plate 150, and the fourth plate 170 enclose to form the delivery opening 110.

Specifically, the second plate body 150, the third plate body 160 and the fourth plate body 170 may be disposed perpendicular to the first plate body 140, and accordingly, the opening surface of the sealing opening 130 and the opening surface of the delivery opening 110 are perpendicular to each other, so that a sufficient space for installing and placing components can be ensured in the enclosure housing 100, and the volume of the enclosure housing 100 is not too large.

It should be noted that the above-mentioned leak hole 120 can be selectively disposed on the second plate 150, the third plate 160 or the fourth plate 170, the second plate 150 should be at the bottom position when the leak hole 120 is located on the second plate 150, and the same applies when the leak hole 120 is disposed on the third plate 160 or the fourth plate 170. In order to make the impurity and dust easier to discharge, the plate body provided with the leakage holes 120 can be obliquely arranged, so that the dust and the impurity can slide down on the plate body under the action of the gravity of the dust and the impurity, the number of the leakage holes 120 can be also a plurality, and the leakage holes 120 can be continuously arranged along the length direction of the corresponding plate body, so that the dust and the impurity can be discharged through the leakage holes 120 in the sliding process.

As a preferred embodiment, the first plate 140, the second plate 150, the third plate 160, and the fourth plate 170 may be an integral structure, specifically, the cover case 100 may be manufactured by an injection molding process, and the first plate 140, the second plate 150, the third plate 160, and the fourth plate 170 may be made of a transparent plastic material, so that the internal condition of the cover case 100, for example, the state of a component device and whether excessive dust and impurities are accumulated in the cover case 100, may be conveniently observed, and thus, a maintenance worker may be reminded whether to clean the cover case 100.

The present application further provides a door lock device, specifically a door lock device for an elevator, as shown in fig. 3 to 6, including the above-mentioned housing 100, the auxiliary contact assembly 300, the main contact assembly 400, the first locking portion 500 and the second locking portion 600, the auxiliary contact assembly 300 is disposed in the housing 100, the main contact assembly 400 can extend into the housing 100 through the delivery opening 110 to be electrically connected to the auxiliary contact assembly 300, the first locking portion 500 can be locked or separated from the second locking portion 600, the first locking portion 500 and the second locking portion 600 are locked with each other when the main contact assembly 400 is connected to the auxiliary contact assembly 300, and the first locking portion 500 and the second locking portion 600 are separated when the main contact assembly 400 is disconnected from the auxiliary contact assembly 300.

The arrangement mode is that when the elevators are closed, a circuit for controlling the elevator to ascend and descend is switched on, and after the elevator door is opened, the circuit for controlling the elevator to ascend and descend is switched off, specifically, when the main contact assembly 400 is in contact with the auxiliary contact assembly 300 to form electrical connection, the circuit for controlling the elevator to ascend and descend is switched on, correspondingly, the first locking part 500 and the second locking part 600 are locked, the elevator door cannot be opened, when the elevator door is opened, the first locking part 500 and the second locking part 600 can be separated from each other, at the moment, the main contact assembly 400 and the auxiliary contact assembly 300 are also separated from each other, and the circuit for controlling the elevator to ascend and descend is switched off, so that the safety of the elevator in the operation process can be ensured, and the purposes of opening the door without ascending and descending and lifting without opening the door can be.

As an optimized implementation of the above embodiment, as shown in fig. 3 to 6, the first locking part 500 includes a first locking hook 510, the second locking part 600 includes a second locking hook, the second locking hook is located on the same side of the housing 100, the first locking hook 510 is located on one side of the housing 100, the primary contact assembly 400 is connected to the first locking hook 510, and the first locking hook 510 can rotate to be locked with the second locking hook while the primary contact assembly 400 rotates to be in contact with the secondary contact assembly 300.

The first latch hook 510 can rotate around the center of rotation, and the first latch hook 510 and one side end of the second latch hook have pointed hook portions that can be engaged with each other, wherein the second latch hook is in a fixed state, the first latch hook 510 can be engaged with the second latch hook after rotating, and accordingly, the first latch hook 510 can be separated from the second latch hook when the first latch hook 510 rotates in the opposite direction.

It should be noted that the auxiliary contact assembly 300 specifically includes an auxiliary contact mounting base 310 and an auxiliary contact piece 320, the auxiliary contact mounting base 310 may be detachably fixed on the base plate 200, and then the cover housing 100 covers the auxiliary contact assembly 300, specifically, the auxiliary contact mounting base 310 may also be fixed with the base plate 200 through a connection structure of a screw hole and a bolt, the base plate 200 and the auxiliary contact mounting base 310 are provided with corresponding screw holes, the screw holes of the two are aligned and then the auxiliary contact mounting base 310 and the base plate 200 are fixed by screwing the bolt, and the auxiliary contact piece 320 may also be fixed on the auxiliary contact mounting base 310 through a screw hole and a bolt. The auxiliary contact mounting base 310 is stepped, and the auxiliary contact piece 320 includes a first auxiliary contact piece and a second auxiliary contact piece, which are arranged on the auxiliary contact mounting base 310 up and down. Correspondingly, the main contact component is respectively contacted with the first auxiliary contact sheet and the second auxiliary contact sheet. The main contact and the auxiliary contact adopt a contact piece type structure, impurities such as dust or small particles are not easy to accumulate on the contacts, and dust accumulation on the contacts is avoided, so that the risk of poor contact of the door lock is avoided, and the reliability of the door lock is greatly improved

As a preferred embodiment of the above embodiment, as shown in fig. 3 and 4, the first latch part 500 further includes a latch mounting plate 520 and a fixed wheel 540, the first latch hook 510 is mounted on the latch mounting plate 520 through an axle of the fixed wheel 540, the first latch hook 510 is capable of rotating around the axle of the fixed wheel 540, and the latch mounting plate 520 is capable of moving toward or away from the cover housing 100.

When applied to an elevator, the base plate 200 is mounted on a door head plate 700 of the elevator, and the latch mounting plate 520 is movably connected to the door head plate 700 of the elevator by a hanger 710, so that the latch mounting plate 520 can move on the door head plate 700 of the elevator to enable the main contact assembly 400 to be close to the auxiliary contact assembly 300 and the first latch hook 510 to be close to the second latch hook.

In order to enable the first latch hook 510 to rotate around the axle of the fixed wheel 540, a driving wheel 530 is further arranged on the first latch hook 510, the driving wheel 530 is fixedly connected with the first latch hook 510, and the driving wheel 530 and the first latch hook 510 can integrally rotate around the fixed wheel 540 after a door vane on an elevator exerts pressure on the driving wheel 530.

As a preferred embodiment of the above embodiment, as shown in fig. 3 and 4, a telescopic assembly 800 is further connected between the first latch hook 510 and the latch mounting plate 520, both ends of the telescopic assembly 800 are respectively connected to the latch mounting plate 520 and the first latch hook 510, and when the first latch hook 510 rotates to engage the first latch hook 510 with the second latch hook and the main contact assembly 400 is electrically connected to the sub-contact assembly 300, the telescopic assembly 800 is stretched.

The telescopic assembly 800 has elasticity, when the first latch hook 510 and the second latch hook are in a locked state and the main contact assembly 400 and the auxiliary contact assembly 300 are also in a contact state, the telescopic assembly 800 is in a compressed state, the restoring deformation force of the telescopic assembly 800, the gravity of the first latch hook 510 and the gravity of the main contact assembly 400 can enable the first latch hook 510 and the second latch hook to be in a locked state more stably and firmly, when the first latch hook 510 and the second latch hook need to be separated, the driving wheel 530 can rotate with the first latch hook 510, the telescopic assembly 800 is further compressed, and when the driving wheel 530 does not drive the first latch hook 510 to rotate, the restoring deformation force of the telescopic assembly 800, the gravity of the first latch hook 510 and the gravity of the main contact assembly 400 can enable the first latch hook 510 to reversely rotate so as to be locked with the second latch hook.

Specifically, the above-mentioned telescopic assembly 800 includes an elastic element 810, a limiting post 820, an upper limiting plate 830 and a lower limiting plate 840, wherein two ends of the elastic element 810 are abutted against the upper limiting plate 830 and the lower limiting plate 840 to make the elastic element 810 in a compressed state, the elastic element 810 is sleeved on the limiting post 820, the upper limiting plate 830 is fixed on the latch mounting plate 520, the lower limiting plate 840 is fixed on the first latch hook 510, the upper end of the limiting post 820 has a limiting head, and the limiting head can prevent the elastic element 810 from being restored to a deformation process and further limiting the elastic element 810, and prevent the elastic element 810 from further deforming.

In this embodiment, the upper limiting plate 830 is a first boss bent and extended from the latch mounting plate 520 toward the first latch 510, the lower limiting plate 840 is a second boss bent and extended from the first latch 510 toward the latch mounting plate 520, the top of the first latch 510 is also bent and extended from the latch mounting plate 520, the third boss is located above the first boss, the limiting post 820 protrudes from the upper limiting plate 830, a limiting head is formed between the upper limiting plate 830 and the third boss, when the first latch 510 is rotated to be locked with the second latch, the third boss abuts against the limiting head, and the stroke of the first latch 510 is limited.

As a preferred embodiment of the above embodiment, as shown in fig. 4, a first waist hole 511 is provided on the first latch hook 510, a second waist hole 410 corresponding to the first waist hole 511 is provided on the main contact assembly 400, the first waist hole 511 and the second waist hole 410 are aligned and screwed into a bolt to fix the main contact assembly 400 and the first latch hook 510, and the first waist hole 511 and the second waist hole 410 extend in different directions.

The first waist hole 511 and the second waist hole 410 are respectively arranged on the first lock hook 510 and the main contact assembly 400, so that the adjustable range of the main contact assembly 400 can be larger, and the main contact assembly 400 can be adjusted not only in the range of the first waist hole 511, but also in the extension range of the second waist hole 410.

Specifically, the extending directions of the first waist hole 511 and the second waist hole 410 may be set to be perpendicular to each other, which can maximize the adjustment range of the main contact assembly 400.

It should be noted that, the number of the first waist holes 511 and the second waist holes 410 may be plural, and when the first lock hook 510 and the main contact assembly 400 are in a fixed state, the first waist holes 511 and the second waist holes 410 cooperate to prevent the first lock hook 510 and the main contact assembly 400 from rotating with each other, so as to ensure the stable connection effect between the two.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A protective enclosure, comprising: the device comprises a cover shell (100), wherein a discharge opening (110) for loading components is formed in the cover shell (100), and a leakage hole (120) for leaking impurity dust is formed in the bottom in the cover shell (100).

2. The protective enclosure according to claim 1, further comprising a bottom plate (200), wherein the enclosure body (100) is further provided with a closed opening (130), the bottom plate (200) covers the closed opening (130) of the enclosure body (100), and the bottom plate (200) is detachably connected to the enclosure body (100).

3. The protective cover case according to claim 2, wherein the cover case body (100) comprises a first plate body (140), a second plate body (150), a third plate body (160) and a fourth plate body (170), the second plate body (150), the third plate body (160) and the fourth plate body (170) are arranged around the edge of the first plate body (140), two ends of the third plate body (160) are respectively connected with the second plate body (150) and the fourth plate body (170), the second plate body (150), the third plate body (160) and the fourth plate body (170) are arranged in a surrounding manner to form the closed opening (130), and the bottom plate (200), the first plate body (140), the second plate body (150) and the fourth plate body (170) are arranged in a surrounding manner to form the delivery opening (110).

4. The protective enclosure according to claim 3, wherein the first plate (140), the second plate (150), the third plate (160), and the fourth plate (170) are an integral structure, and the leak hole (120) is formed in the second plate (150), the third plate (160), or the fourth plate (170).

5. The protective enclosure according to claim 1, wherein the maximum width of the delivery port (110) is no greater than 12mm and the minimum spacing between components in the enclosure body (100) and the delivery port (110) is no less than 20 mm.

6. A door lock device, comprising a cover housing (100) according to any one of claims 1 to 5, a sub-contact assembly (300), a main contact assembly (400), a first latch portion (500), and a second latch portion (600), the auxiliary contact assembly (300) is arranged in the cover shell (100), the main contact assembly (400) can extend into the cover shell (100) from the delivery port (110) and is electrically connected with the auxiliary contact assembly (300), the first locking part (500) can be locked with or separated from the second locking part (600), the first and second locking portions (500, 600) are locked to each other when the main contact assembly (400) is connected to the sub contact assembly (300), the first and second latch portions (500, 600) are separated when the main contact assembly (400) is disconnected from the sub contact assembly (300).

7. The door lock device according to claim 6, wherein the first latch part (500) comprises a first latch hook (510), the second latch part (600) comprises a second latch hook, the second latch hook is located at the same side of the housing (100), the first latch hook (510) is located at one side of the housing (100), the primary contact assembly (400) is connected with the first latch hook (510), and the first latch hook (510) can be rotated to be engaged with the second latch hook while the primary contact assembly (400) is rotated to be in contact with the secondary contact assembly (300).

8. The door-lock apparatus according to claim 7, wherein the first latch part (500) further comprises a latch mounting plate (520) and a fixed wheel (540), the first latch hook (510) is mounted on the latch mounting plate (520) through an axle of the fixed wheel (540), the first latch hook (510) is rotatable around the axle of the fixed wheel (540), and the latch mounting plate (520) is movable toward or away from the cover housing (100).

9. The door lock device according to claim 8, further comprising a telescopic assembly (800), wherein both ends of the telescopic assembly (800) are respectively connected with the latch mounting plate (520) and the first latch hook (510), and when the first latch hook (510) is latched with the second latch hook and the primary contact assembly (400) is electrically connected with the secondary contact assembly (300), the telescopic assembly (800) is in a contracted state.

10. The door lock device according to claim 8, wherein a first waist hole (511) is formed in the first latch hook (510), a second waist hole (410) corresponding to the first waist hole (511) is formed in the main contact assembly (400), the main contact assembly (400) is fixed to the first latch hook (510) by aligning the first waist hole (511) and the second waist hole (410) and then screwing a bolt, and the first waist hole (511) and the second waist hole (410) extend in different directions.

Images