CN113914733B

CN113914733B - Switching device and locking assembly thereof

Info

Publication number: CN113914733B
Application number: CN202111106272.6A
Authority: CN
Inventors: 吴昊; 王丹丹; 吴飞; 李宗照; 李琦
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-06-14
Anticipated expiration: 2041-09-22
Also published as: CN113914733A

Abstract

The invention relates to a switch device and a locking assembly thereof, wherein the locking assembly comprises a fixing piece and a locking piece, the fixing piece is arranged on a second part, an upper step layer and a lower step layer with a certain height difference, a first transition section and a second transition section are arranged on the fixing piece, the first transition section and the second transition section are respectively connected between the upper step layer and the lower step layer, in the opening direction of the first part relative to the second part, the first transition section is positioned at the downstream of the second transition section, and the locking piece is fixedly arranged on the first part and comprises a locking body matched with the fixing piece; the locking body is controlled to move along the upper step layer and be locked at the embedding part, and the first part is opened relative to the second part; the lock body is also controlled to be switched between the upper step layer and the lower step layer in sequence by the first transition section and the second transition section until the first part is closed relative to the second part. The switch device and the locking assembly thereof have high safety.

Description

Switching device and locking assembly thereof

Technical Field

The invention relates to the technical field of locks, in particular to a switch device and a locking assembly thereof.

Background

The locking assembly is generally connected between the first member and the second member and is used for performing opening and closing operations of the first member relative to the second member. However, when the first component is opened relative to the second component, the locking assembly cannot fix the first component, so that the first component is easily closed under the influence of external environment, and further, a user is injured by being clamped, and the safety is poor.

Disclosure of Invention

In view of the above, there is a need to provide a switch device and a locking assembly thereof with high safety.

A locking assembly for performing an opening and closing operation of a first member relative to a second member; the locking assembly comprises:

the fixing piece is fixedly arranged on the second part, an upper step layer and a lower step layer with a certain height difference, a first transition section and a second transition section are arranged on the fixing piece, the first transition section and the second transition section are respectively connected between the upper step layer and the lower step layer, and the first transition section is positioned at the downstream of the second transition section in the opening direction of the first part relative to the second part; and

the locking piece is fixedly arranged on the first part and comprises a locking body matched with the fixing piece; the fixing piece is provided with an embedded part on the upper stepped layer, and when the locking body is controlled to move along the upper stepped layer and be locked at the embedded part, the first part is unlocked relative to the second part;

the lock body is also controlled to be switched between the upper step layer and the lower step layer in sequence by means of the first transition section and the second transition section, and the first part is closed relative to the second part.

In one embodiment, the upper step layer comprises a smooth section and a locking section which are sequentially arranged along the opening direction of the first component relative to the second component, and the locking section is connected with the smooth section at a certain angle and extends into the embedded part; the first transition section is connected between the locking section and the lower step layer, and the second transition section is connected between the smooth section and the lower step layer.

In one embodiment, an end and a tail of the smooth section far away from the locking section and/or a joint of the first transition section and the lower stepped layer are provided with a stop portion for stopping the locking body.

In one embodiment, the locking piece further comprises an installation body, the outer wall of the installation body is recessed to form a locking through groove, the locking body is provided with an installation end and a locking end which are opposite, the installation end is clamped in the locking through groove, and the locking end is matched with the upper step layer.

In one embodiment, the locking element further includes a first elastic body coupled to the mounting body, and the locking body can be expanded along a radial direction of the locking assembly under the action of the first elastic body to be embedded into the embedding portion when being aligned with the embedding portion.

In one embodiment, the locking body has a slot, the first elastic body includes a base portion and an elastic portion, the base portion is coupled to the mounting body, and the elastic portion is inserted into the slot and acts on the locking body.

In one embodiment, the locking element further includes a shaft portion and a head portion, the shaft portion sequentially penetrates through the fixing element, the mounting body and the base portion along an axial direction of the locking assembly, and the head portion is disposed on a side of the base portion opposite to the mounting body and is screwed with the shaft portion.

In one embodiment, the locking element further includes a second elastic body, the second elastic body is pressed between the base and the head, and the first elastic body is capable of driving the locking body to be pressed against the fixing element under the action of the second elastic body.

In one of them embodiment, the mounting includes fixed main part, fixed main part has the closure chamber, just set up on the fixed main part with the closure mouth of closure chamber intercommunication, go up the ladder layer down the ladder layer first changeover portion and second changeover portion all is located the closure intracavity, the closure piece wears to locate the closure mouth, just the closure body is located part in the closure intracavity with go up the cooperation of ladder layer.

A switching device, the switching device comprising:

a first member;

a second component; and

the locking assembly according to any one of the above embodiments, wherein the locking assembly is configured to perform an opening and closing operation of the first member with respect to the second member. When the locking body is controlled to move along the upper step layer and is locked on the embedded part, the first part is opened relative to the second part, and under the action of the embedded part, the first part can be maintained at the opened position, so that the cover body can be prevented from being suddenly closed to hurt a user, and the safety is high.

Drawings

Fig. 1 is a schematic view of an overall structure of a switching device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the switchgear shown in FIG. 1;

FIG. 3 is a cross-sectional view of the latch assembly of the switchgear shown in FIG. 1 mated with the first and second auxiliary units;

FIG. 4 is a schematic view of the overall construction of the latch assembly of the switchgear shown in FIG. 1;

FIG. 5 is a schematic view of the locking assembly shown in FIG. 4 from another perspective;

FIG. 6 is an exploded view of the closure assembly shown in FIG. 4;

FIG. 7 is a schematic view showing the overall structure of the fixing member in the closure assembly shown in FIG. 4;

FIG. 8 is a schematic view of the overall structure of the fixing member shown in FIG. 7 from another perspective;

FIG. 9 is a schematic view of the closure assembly of FIG. 4 shown in a closed position with the retainer engaged therewith;

FIG. 10 is a schematic view of the locking assembly shown in FIG. 4 with the locking body in an open position and engaging the stationary member;

FIG. 11 is a schematic view of the closure assembly of FIG. 4 shown in an intermediate position with the retainer engaged with the anchor;

FIG. 12 is a schematic view of the overall construction of the locking element of the locking assembly shown in FIG. 1;

FIG. 13 is a schematic view of the locking element of FIG. 12 showing the engagement of the mounting body with the first resilient body;

FIG. 14 is a schematic view of the locking element of FIG. 13 from another perspective when the mounting body is engaged with the first resilient body;

fig. 15 is a schematic view of the mounting body of the locking element shown in fig. 12.

Reference numerals:

1. a switching device; 100. a locking assembly; 10. a fixing member; 11. a fixed body; 111. a locking cavity; 112. a fixed port; 113. locking the opening; 114. an inner bottom wall; 115. an inner sidewall; 12. an upper step layer; 121. a smoothing section; 123. a locking section; 13. a lower step layer; 14. a first transition section; 15. a second transition section; 16. an insertion section; 17. a stop part; 171. closing the stop surface; 172. a transition stop surface; 20. a locking member; 21. a lock body; 212. a locking end; 214. an installation end; 215. a first convex column; 216. a second convex column; 217. a slot; 22. an installation body; 221. locking the through groove; 222. a mounting cavity; 223. a first mounting port; 224. a second mounting opening; 225. a first assembly hole; 226. a second assembly hole; 227. a communicating hole; 23. a first elastic body; 231. an elastic portion; 232. a base; 24. a shaft portion; 25. a head; 26. a second elastomer; 200. a first member; 210. a first component body; 220. a first accessory part; 300. a second component; 310. a second component body; 320. a second accessory unit.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, 2, 4 and 5, the present application provides a switchgear 1, the switchgear 1 includes a first part 200, a second part 300 and a locking assembly 100, the locking assembly 100 is used for performing an opening and closing operation of the first part 200 relative to the second part 300. Specifically, the switch device 1 may be an in-vehicle refrigerator, a door structure, or the like. For example, taking the switch device 1 as an on-vehicle refrigerator as an example, the first part 200 is a door body of the on-vehicle refrigerator, the second part 300 is a box body of the on-vehicle refrigerator, and the locking assembly 100 is connected between the box body and the door body so that the door body can rotate relative to the box body, and the door body can perform opening and closing operations relative to the box body; or, taking the switch device 1 as a door structure as an example, the first part 200 is a door body, the second part 300 is a door frame, and the locking assembly 100 is connected between the door body and the door frame, so that the door body can rotate relative to the door frame, and the door body can perform opening and closing operations relative to the door frame.

Referring to fig. 6, 7 and 12 together, specifically, the locking assembly 100 includes a fixing member 10 and a locking member 20, the fixing member 10 is fixedly disposed on the second component 300, the fixing member 10 is disposed with an upper step layer 12 and a lower step layer 13 having a certain height difference, a first transition section 14 and a second transition section 15, the first transition section 14 and the second transition section 15 are respectively connected between the upper step layer 12 and the lower step layer 13, and in an opening direction of the first component 200 relative to the second component 300, the first transition section 14 is located at a downstream of the second transition section 15, the locking member 20 is fixedly disposed on the first component 200 and includes a locking body 21 matched with the fixing member 10, wherein the fixing member 10 is formed with an embedded portion 16 on the upper step layer 12, and when the locking body 21 is controlled to move along the upper step layer 12 and be locked to the embedded portion 16, the first component 200 is opened relative to the second component 300, and the locking body 21 is further controlled to sequentially open the first transition section 14 and the second transition section 15 at the upper step layer 12 and the lower step layer 16 The ladder layers 13 are switched to close the first member 200 relative to the second member 300.

When the locking body 21 is controlled to move along the upper stepped layer 12 and be locked at the embedded portion 16, the first component 200 is opened relative to the second component 300, and under the action of the embedded portion 16, the first component 200 can be maintained at the opened position, so that the cover can be prevented from being suddenly closed to hurt the user, and thus the safety is high, further, the locking body 21 is further controlled to switch between the upper stepped layer 12 and the lower stepped layer 13 sequentially through the first transition section 14 and the second transition section 15 until the first component 200 is closed relative to the second component 300, and at this time, the first component 200 can perform an opening and closing operation relative to the second component 300.

Referring to fig. 8, in particular, the fixing member 10 includes a fixing body 11, the fixing body 11 has a locking cavity 111, and the fixing body 11 is provided with a locking opening 113 communicating with the locking cavity 111, the upper step layer 12, the lower step layer 13, the first transition section 14 and the second transition section 15 are all located in the locking cavity 111, the locking element 20 is disposed through the locking opening 113, and a portion of the locking body 21 located in the locking cavity 111 is matched with the upper step layer 12. Therefore, the assembling portion is less affected by the outside under the protection of the fixing body 11, so that not only the stability of the rotation of the assembling portion can be improved, but also the service life of the assembling portion can be effectively prolonged. Further, the insertion portion 16 is formed by recessing the inner side wall 115 of the fixing body 11.

Specifically, the fixing body 11 includes an inner bottom wall 114 and an inner side wall 115 disposed around the circumference of the inner bottom wall 114 and connected to the inner bottom wall 114, the inner bottom wall 114 and the inner side wall 115 together enclose to form a locking cavity 111, and the locking opening 113 is disposed at an end of the inner side wall 115 away from the inner bottom wall 114. Upper step layer 12 and lower step layer 13 of fixing element 10 are sequentially disposed along the axial direction of locking assembly 100, upper step layer 12 is closer to locking opening 113 than lower step layer 13, and the distance from upper step layer 12 to inner bottom wall 114 is greater than the distance from lower step layer 13 to inner bottom wall 114. In addition, the locking assembly 100 has a central axis extending along the axial direction thereof, the upper step layer 12 and the lower step layer 13 are further disposed along the radial direction of the locking assembly 100, and the lower step layer 13 is closer to the central axis of the locking assembly 100 than the upper step layer 12. Specifically, the lower step layer 13 is a slope and extends to the upper step layer 12 along the inner bottom wall 114, the upper step layer 12 may be disposed in parallel with the inner bottom wall 114 or disposed in a slope with the inner bottom wall 114, one side of the upper step layer 12 facing the inner sidewall 115 is abutted to the inner sidewall 115 in two sides sequentially disposed along the radial direction of the locking assembly 100, and the first transition section 14 and the second transition section 15 are both connected to one side of the upper step layer 12 facing away from the inner sidewall 115 and the lower step layer 13. In addition, the upper step layer 12, the lower step layer 13 and the second transition section 15 also extend along the circumferential direction of the locking assembly 100.

Referring to fig. 9, 10 and 11, in particular, the upper step layer 12 has a closed position and an open position sequentially arranged along an opening direction of the first component 200 relative to the second component 300, the embedded portion 16 is arranged at the open position, the lower step layer 13 has a transition position, the lower step layer 13 extends from the transition position to the closed position along the closing direction of the first component 200 relative to the second component 300, the first transition section 14 extends from the open position to the transition position along the opening direction of the first component 200 relative to the second component 300, the second transition section 15 is arranged in parallel with the inner sidewall 115, and the second transition section 15 is connected between a side of the upper step layer 12 far away from the inner sidewall 115 and a side of the lower step layer 13 close to the inner sidewall 115.

When the locking body 21 is located at the closed position, the first component 200 is closed relative to the second component 300, when the locking body 21 slides into the embedding part 16 along the opening direction of the first component 200 relative to the second component 300 in the upper stepped layer 12, the first component 200 rotates relative to the second component 300 and is opened, and the first component 200 can be fixed relative to the second component 300 so as to prevent the first component 200 from being closed relative to the second component 300; further, the locking body 21 continues to slide along the opening direction of the first member 200 relative to the second member 300 from the open position at the first transition section 14 to the transition position, the locking body 21 is withdrawn from the embedding portion 16, and the first member 200 rotates relative to the second member 300 to the maximum opening angle; furthermore, when the locking body 21 is operated along the closing direction of the first component 200 relative to the second component 300 to slide along the lower step layer 13 from the transition position to the closing position, the first component 200 rotates reversely relative to the second component 300 to close. It is worth mentioning that during the process of operating the locking body 21 along the closing direction of the first component 200 relative to the second component 300 to slide the locking body 21 from the transition position to the closed position of the lower step layer 13, the locking body 21 is also abutted to the second transition section 15.

Further, the upper stepped layer 12 includes a smooth section 121 and a locking section 123 sequentially arranged along the opening direction of the first member 200 relative to the second member 300, and the locking section 123 is connected with the smooth section 121 at a certain angle and extends into the embedding portion 16; the first transition section 14 is connected between the locking section 123 and the lower step layer 13, and the second transition section 15 is connected between the smooth section 121 and the lower step layer 13.

Specifically, the closed position is a position at which the smooth section 121 is away from one end and the tail of the locking section 123, the open position is a position at which the locking section 123 extends into the embedding portion 16, the transition position is a position at which the first transition section 14 is connected with the lower step layer 13, and the second transition section 15 is connected between a side of the smooth section 121 away from the inner side wall 115 and a side of the lower step layer 13 close to the inner side wall 115.

When the locking body 21 is located at the closed position, the first member 200 is closed relative to the second member 300, and when the locking body 21 slides into the embedding portion 16 along the opening direction of the first member 200 relative to the second member 300 in sequence at the smooth section 121 and the locking section 123, the first member 200 rotates relative to the second member 300 and is opened, and the first member 200 can be fixed relative to the second member 300; further, the locking body 21 continues to slide from the open position to the transition position at the first transition section 14 along the opening direction of the first member 200 relative to the second member 300, so that the locking body 21 is withdrawn from the embedding portion 16, and further, the locking body 21 operates along the closing direction of the first member 200 relative to the second member 300 to slide the locking body 21 on the lower step layer 13 from the transition position to the closed position, and during the sliding of the locking body 21 from the transition position to the closed position, the locking body 21 is also abutted against the second transition section 15. By providing the smooth section 121, the locking section 123, the first transition section 14, and the second transition section 15, the locking body 21 can be reliably slid into the insertion portion 16, and the opening and closing operation can be reliably performed.

Specifically, the smooth section 121 and the first transition section 14 both extend along the circumferential direction of the locking assembly 100, the central angle corresponding to the extension length of the smooth section 121 determines the opening angle of the first member 200 in the opening position relative to the second member 300, and the central angle corresponding to the extension length of the first transition section 14 determines the maximum opening angle of the first member 200 in the transition position relative to the second member 300. For example, if the central angle corresponding to the extension length of the smooth section 121 is 90 ° and the central angle corresponding to the extension length of the first transition section 14 is 30 °, the rotation angle of the first member 200 relative to the second member 300 is 90 ° when the locking body 21 slides from the closed position to the open position, and the rotation angle of the first member 200 relative to the second member 300 is 30 ° when the locking body 21 slides from the open position to the transition position, that is, the maximum opening angle of the first member 200 relative to the second member 300 is 120 °.

Of course, in other embodiments, the central angle corresponding to the extension length of the smooth section 121 and the central angle corresponding to the extension length of the first transition section 14 are not limited to the above-mentioned one, and can be designed according to the requirement.

Further, an end and a tail of the smooth section 121 far away from the locking section 123 and/or a joint of the first transition section 14 and the lower step layer 13 are provided with a stop portion 17 for stopping the locking body 21. Preferably, there are two stop portions 17, wherein one stop portion 17 is disposed at an end of the smooth section 121 far from the locking section 123, so that the locking body 21 can stop at the closed position, thereby stopping the rotation of the first member 200 when it is closed relative to the second member 300; the other stop portion 17 is disposed at a connection portion of the first transition section 14 and the lower step layer 13, and when the locking body 21 is switched from the upper step layer 12 to the lower step layer 13 via the first transition section 14, the locking body 21 can stop at the transition position, so that the first member 200 can stop rotating relative to the second member 300 when being opened to the maximum opening angle. It can be seen that, by providing the two stopping portions 17, the two stopping portions 17 can respectively limit the locking body 21 at the closing position and the transition position, so that the locking body 21 can perform one-way circulating movement between the upper step layer 12 and the lower step layer 13, so that the locking assembly 100 can reliably and effectively perform the opening and closing operation.

Specifically, the fixing member 10 has a central point located in the locking cavity 111, the central point is located on the central axis of the locking assembly 100, the two stop portions 17 are located in the locking cavity 111 and are arranged in a central symmetry manner with respect to the central point, the two stop portions 17 are arranged at intervals along the circumferential direction of the locking assembly 100, and each stop portion 17 extends along the circumferential direction of the locking assembly 100. Each stop portion 17 has a closing stop surface 171 and a transition stop surface 172 arranged opposite to each other in the circumferential direction of the lock assembly 100. The number of the locking bodies 21 is two, and the two locking bodies 21 are arranged in central symmetry around a central point; an upper step layer 12, a lower step layer 13, a first transition section 14 and a second transition section 15 which are matched with each other are matched to form a guide group, the number of the guide groups is two, and the two guide groups are arranged in central symmetry around a central point. One of the stop portions 17 and one of the locking bodies 21 are engaged with one of the guide sets, and the other of the stop portions 17 and the other of the locking bodies 21 are engaged with the other of the guide sets.

More specifically, in the circumferential direction of the locking assembly 100, one of the stop portions 17, one of the guide sets, the other stop portion 17 and the other guide set are sequentially disposed, and one of the stop portions 17 extends from the connection between the first transition section 14 and the lower step layer 13 in the other guide set to an end of the smooth section 121 far away from the locking section 123 in the one guide set, and the other stop portion 17 extends from the connection between the first transition section 14 and the lower step layer 13 in the one guide set to an end of the smooth section 121 far away from the locking section 123 in the other smooth section 121.

When one of the locking bodies 21 is located at the closed position, one of the locking bodies 21 abuts against the closing stop surface 171 of one of the stop portions 17, and when one of the locking bodies 21 slides to the transition position, one of the locking bodies 21 abuts against the transition stop surface 172 of the other stop portion 17; when the other lock body 21 is in the closed position, the other lock body 21 abuts against the closing stop surface 171 of the other stopper portion 17, and when the other lock body 21 slides to the transition position, the other lock body 21 abuts against the transition stop surface 172 of the one stopper portion 17.

By providing two stop portions 17, two guiding sets and two locking members 21, when the two locking members 21 slide synchronously on the corresponding two guiding sets, the locking and sliding stability of the locking member 20 can be maintained. In addition, since the two stoppers 17, the two guiding sets and the two locking elements 20 are all symmetric about the central point, the locking assembly 100 has a foolproof design, and when the locking elements 20 are engaged with the fixing member 10, one of the locking elements 20 is engaged with any one of the two guiding sets, and the other locking element 20 is engaged with the other of the two guiding sets.

Referring to fig. 3, 6 and 12, the locking member 20 further includes a mounting body 22, an outer wall of the mounting body 22 is recessed to form a locking through groove 221, the locking body 21 has an opposite mounting end 214 and a locking end 212, the mounting end 214 is clamped in the locking through groove 221, and the locking end 212 is engaged with the upper stepped layer 12. The mounting end 214 of the locking body 21 is clamped in the locking through groove 221, so that the locking body 21 can be conveniently detached.

Specifically, the mounting body 22 is coupled to the first member 200, the first member 200 rotates relative to the second member 300, and the mounting body 22 can be driven to drive the locking body 21 to rotate, so that the locking body 21 can perform position conversion on the upper step layer 12, the lower step layer 13, the first transition section 14 and the second transition section 15.

Referring to fig. 15, the mounting body 22 has a mounting cavity 222, and the mounting body 22 has a first mounting opening 223 and a second mounting opening 224 sequentially arranged along the axial direction of the locking assembly 100, and the first mounting opening 223 and the second mounting opening 224 are both communicated with the mounting cavity 222. The locking through groove 221 extends along the axial direction of the locking assembly 100 and extends at least to the first mounting opening 223, the mounting end 214 is held in the locking through groove 221, the locking end 212 protrudes out of the plane of the mounting body 22 where the first mounting opening 223 is located along the axial direction of the assembly and extends into the locking cavity 111 from the locking opening 113, and the second mounting opening 224 is located at one end of the mounting body 22 away from the locking body 21.

Referring to fig. 13, the locking through groove 221 has a first groove wall and a second groove wall spaced along the circumferential direction of the locking assembly 100, the first groove wall and the second groove wall are respectively provided with a first assembling hole 225 and a second assembling hole 226, two opposite sides of the mounting end 214 are respectively provided with a first protruding pillar 215 and a second protruding pillar 216, and the first protruding pillar 215 and the second protruding pillar 216 are respectively matched with the first assembling hole 225 and the second assembling hole 226, so as to further improve the mounting stability of the locking body 21.

Specifically, since there are two locking bodies 21, there are two locking through slots 221, the two locking through slots 221 are spaced apart along the circumferential direction of the locking assembly 100, and the two locking bodies 21 are correspondingly engaged with the two locking through slots 221.

Referring to fig. 3, and also to fig. 14, further, the locking element 20 further includes a first elastic body 23, the first elastic body 23 is coupled to the mounting body 22, and the locking body 21 can be expanded along the radial direction of the locking assembly 100 under the action of the first elastic body 23 to be inserted into the insertion portion 16 when aligned with the insertion portion 16. Specifically, due to the action of the first elastic body 23, the locking body 21 can abut against the inner side wall 115 of the fixing member 10 when the locking body 21 slides from the closed position to the open position, and when the locking body 21 slides to be aligned with the embedded portion 16, the locking body 21 can reliably spring into the embedded portion 16, further, under the action of the first elastic body 23, the locking body 21 can abut against the stop portion 17 when the locking body 21 slides from the open position to the transition position via the first transition section 14, and the locking body 21 can also abut against the second transition section 15 when the locking body 21 slides from the transition position to the closed position, so that the locking body 21 has better sliding stability, and the locking body 21 can be effectively embedded into the embedded portion 16, and therefore, the switch device 1 has better working reliability.

Further, the locking body 21 is provided with a slot 217, the first elastic body 23 includes a base 232 and an elastic portion 231, the base 232 is coupled to the mounting body 22, and the elastic portion 231 is inserted into the slot 217 and acts on the locking body 21. By providing the slot 217, the first elastic body 23 and the locking body 21 can be easily installed, which is convenient for improving the assembly efficiency of the switch device 1.

Further, the base 232 is disposed in the mounting cavity 222 of the mounting body 22, the base 232 abuts against an inner wall of the mounting cavity 222 and is aligned with the first mounting hole 223, a communication hole 227 communicated between the locking through groove 221 and the mounting cavity 222 is formed in a side wall of the mounting body 22, one end of the elastic portion 231 is connected to the base 232, and the other end of the elastic portion passes through the communication hole 227 and is inserted into the insertion groove 217 of the locking body 21.

Specifically, the number of the elastic portions 231 and the number of the engaging bodies 21 need to be kept the same, and the number of the communication holes 227 and the number of the engaging bodies 21 need to be kept the same. Taking two locking bodies 21 as an example, the two corresponding elastic portions 231 and the two corresponding communication holes 227 are both two, the two elastic portions 231 correspond to the two locking bodies 21 one by one, the two elastic portions 231 also correspond to the two communication holes 227 one by one, and each elastic portion 231 passes through the corresponding communication hole 227 and is inserted into the slot 217 of the corresponding locking body 21.

By disposing the base 232 in the mounting cavity 222 and inserting the elastic portion 231 into the elastic portion 231 through the communication hole 227, the firmness of the engagement of the first elastic body 23, the mounting body 22 and the locking body 21 can be further improved, so that the locking assembly 100 has a more compact structure and can be more tightly mounted.

Referring to fig. 12, the locking element 20 further includes a shaft 24 and a head 25, the shaft 24 is sequentially disposed through the fixing element 10, the mounting body 22 and the base 232 along the axial direction of the locking assembly 100, and the head 25 is disposed on a side of the base 232 opposite to the mounting body 22 and is screwed with the shaft 24. Alternatively, the shaft portion 24 may be a bolt and the head portion 25 may be a nut. Specifically, a fixing port 112 communicating with the locking cavity 111 is further disposed at one end of the fixing body 11 away from the locking port 113, the shaft portion 24 sequentially penetrates through the fixing port 112, the locking cavity 111, the locking port 113, the first mounting port 223, the mounting cavity 222, the base portion 232, and the second mounting port 224 along the axial direction of the locking assembly 100, and the head portion 25 is disposed at one side of the base portion 232 opposite to the first mounting port 223 and is screwed with the shaft portion 24. Therefore, when the first member 200 is driven to rotate relative to the second member 300 by an external force, the first member 200 can drive the mounting body 22 to drive the locking body 21 to rotate around the shaft portion 24, so that the locking body 21 can slide on the upper step layer 12, the lower step layer 13, the first transition section 14 and the second transition section 15. Therefore, by providing the shaft portion 24 and the head portion 25, not only the assembling reliability of the locking element 20 and the fixing element 10 can be achieved, but also the locking body 21 can be ensured to rotate relative to the shaft portion 24 under the driving of the mounting body 22, so as to finally achieve the opening and closing of the first component 200 relative to the second component 300.

Referring to fig. 3 again, the locking element 20 further includes a second elastic body 26, the second elastic body 26 is pressed between the base 232 and the head 25, and the first elastic body 23 can drive the locking body 21 to press against the fixing member 10 under the action of the second elastic body 26. Specifically, after the locking assembly 100 is assembled, the second elastic body 26 is in a compressed state, and the second elastic body 26 can apply an elastic force to the base portion 232, and under the action of the elastic force, the base portion 232 and the locking body 21 always have a tendency to approach the fixing opening 112, so that the locking end 212 of the locking body 21 can always abut against the upper step layer 12, the first transition section 14 and the lower step layer 13 during the rotation process relative to the shaft portion 24, and the locking body 21 has better movement stability.

In summary, due to the arrangement of the first elastic body 23 and the second elastic body 26, the locking body 21 can be abutted against the inner structure of the fixing member 10 in the radial direction and the axial direction of the locking assembly 100, so that the locking body 21 has a certain stability.

Referring to fig. 2 and 3 again, in addition, the first part 200 includes a first part main body 210 and a first auxiliary part 220, the first auxiliary part 220 is coupled to the first part main body 210, the second part 300 includes a second part main body 310 and a second auxiliary part 320, the second auxiliary part 320 is coupled to the second part main body 310, the first auxiliary part 220 and the second auxiliary part 320 are both tubular structures with two open ends, the mounting body 22 of the locking element 20 is inserted and clamped in the first auxiliary part 220, and the fixing element 10 is inserted and clamped in the second auxiliary part 320. When the second member 300 is rotated to the opened position relative to the second member 300 under the driving of the external force, the fixing member 10 is kept stationary, and the mounting body 22 drives the locking body 21 to rotate relative to the shaft portion 24 under the driving of the first member 200, so that the locking body 21 can slide on the upper stepped layer 12, when the locking body 21 slides into the embedded portion 16, the locking body 21 is limited due to the action of the embedded portion 16, and the first member 200 stops rotating relative to the second member 300, so that the first member 200 can be fixed to the opened position. When the first member 200 needs to be closed relative to the second member 300, the first member 200 may be rotated continuously in the opening direction of the first member 200 relative to the second member 300, so that the locking body 21 can be withdrawn from the embedding portion 16 and slid to the transition position through the first transition section 14, and further, the first member 200 may be rotated reversely, so that the locking body 21 can be slid to the closed position from the transition position through the lower step layer 13, and at this time, the first member 200 is closed relative to the second member 300.

In the switching device 1 and the locking assembly 100 thereof, when the locking body 21 is controlled to move along the upper stepped layer 12 and locked at the embedded portion 16, the first member 200 is opened relative to the second member 300, and under the action of the embedded portion 16, the first member 200 can be maintained at the opened position, so that the cover can be prevented from being suddenly closed to hurt a user, thereby having high safety, and further, the locking body 21 is controlled to switch between the upper stepped layer 12 and the lower stepped layer 13 sequentially through the first transition section 14 and the second transition section 15 until the first member 200 is closed relative to the second member 300, so that the first member 200 can perform an opening and closing operation relative to the second member 300.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A closure assembly (100) for performing an opening and closing operation of a first part (200) relative to a second part (300); characterized in that said locking assembly (100) comprises:

the fixing piece (10) is fixedly arranged on the second component (300), an upper step layer (12) and a lower step layer (13) with a certain height difference, a first transition section (14) and a second transition section (15) are arranged on the fixing piece (10), the first transition section (14) and the second transition section (15) are respectively connected between the upper step layer (12) and the lower step layer (13), and in the opening direction of the first component (200) relative to the second component (300), the first transition section (14) is located at the downstream of the second transition section (15); and

the locking piece (20) is fixedly arranged on the first component (200) and comprises a locking body (21) matched with the fixing piece (10); wherein, the fixing piece (10) is provided with an embedded part (16) on the upper step layer (12), and when the locking body (21) is controlled to move along the upper step layer (12) and locked on the embedded part (16), the first part (200) is opened relative to the second part (300);

the locking body (21) is further controlled to be sequentially switched between the upper step layer (12) and the lower step layer (13) through the first transition section (14) and the second transition section (15), and the first component (200) is closed relative to the second component (300).

2. The closure assembly (100) of claim 1 wherein the upper stepped layer (12) comprises a smooth section (121) and a locking section (123) disposed in sequence along the opening direction of the first part (200) relative to the second part (300), the locking section (123) being connected at an angle to the smooth section (121) and extending into the insert (16); the first transition section (14) is connected between the locking section (123) and the lower step layer (13), and the second transition section (15) is connected between the smooth section (121) and the lower step layer (13).

3. The locking assembly (100) according to claim 2, wherein an end tail of the smooth section (121) far away from the locking section (123) and/or a connection part of the first transition section (14) and the lower stepped layer (13) are provided with a stop part (17) for stopping the locking body (21).

4. The locking assembly (100) of claim 1 wherein the locking element (20) further comprises a mounting body (22), an outer wall of the mounting body (22) is recessed to form a locking channel (221), the locking body (21) has opposite mounting ends (214) and locking ends (212), the mounting ends (214) are retained in the locking channel (221), and the locking ends (212) are engaged with the upper stepped layer (12).

5. The locking assembly (100) of claim 4, wherein the locking piece (20) further comprises a first elastic body (23), the first elastic body (23) is coupled to the mounting body (22), and the locking body (21) can be expanded along a radial direction of the locking assembly (100) under the action of the first elastic body (23) to be embedded into the embedded portion (16) when being aligned with the embedded portion (16).

6. The locking assembly (100) of claim 5, wherein the locking body (21) defines a slot (217), the first resilient member (23) includes a base portion (232) and a resilient portion (231), the base portion (232) is coupled to the mounting body (22), and the resilient portion (231) is inserted into the slot (217) and acts on the locking body (21).

7. The locking assembly (100) according to claim 6, wherein the locking element (20) further comprises a shaft portion (24) and a head portion (25), the shaft portion (24) is sequentially disposed through the fixing member (10), the mounting body (22) and the base portion (232) along an axial direction of the locking assembly (100), and the head portion (25) is disposed on a side of the base portion (232) opposite to the mounting body (22) and is screwed with the shaft portion (24).

8. The locking assembly (100) according to claim 7, wherein the locking element (20) further comprises a second elastic body (26), the second elastic body (26) is pressed between the base (232) and the head (25), and the first elastic body (23) can drive the locking body (21) to be pressed against the fixing member (10) under the action of the second elastic body (26).

9. The locking assembly (100) of claim 1, wherein the fixing member (10) includes a fixing body (11), the fixing body (11) has a locking cavity (111), and a locking opening (113) communicating with the locking cavity (111) is formed on the fixing body (11), the upper step layer (12), the lower step layer (13), the first transition section (14) and the second transition section (15) are all located in the locking cavity (111), the locking member (20) is disposed through the locking opening (113), and a portion of the locking member (21) located in the locking cavity (111) is engaged with the upper step layer (12).

10. A switching device (1), characterized in that the switching device (1) comprises:

a first component (200);

a second component (300); and

the closure assembly (100) of any of claims 1 to 9, wherein the closure assembly (100) is configured to perform an opening and closing operation of the first part (200) relative to the second part (300).