CN210136799U

CN210136799U - Key component and device with same

Info

Publication number: CN210136799U
Application number: CN201921251868.3U
Authority: CN
Inventors: 张晓泉; 林海利; 贺雷; 陈宇强; 肖鸿亮
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-03-10
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to an electrical apparatus technical field, concretely relates to button part and have button part's device. The utility model provides a key component, include: the shell is provided with at least one first key position, and at least one end of the shell is provided with an opening; the key structure is provided with at least one second key position, is suitable for being installed in the shell or separated from the shell through the opening and is provided with an installation position where the second key position corresponds to the first key position; and the locking structure is suitable for locking the position of the key structure when the key structure is at the installation position. The first key position is arranged on the shell, the second key position is arranged on the key structure, so that when the key structure is assembled in the shell through the opening at the end part of the shell, the key structure can be clearly known to be assembled in place to the installation position through the alignment of the two key positions, and the assembled key structure can be locked through the locking structure.

Description

Key component and device with same

Technical Field

The utility model relates to an electrical apparatus technical field, concretely relates to button part and have button part's device.

Background

At present, the electric fan body on the market is usually assembled by a front shell and a rear shell, the front shell and the rear shell are arranged in a split manner, a key structure on the body is firstly assembled with one of the shells and then assembled with the other shell, after the key structure is assembled, if the key structure is damaged and needs to be disassembled, the front shell and the rear shell need to be disassembled firstly, the key structure is also disassembled, the disassembly and the assembly are troublesome, and a boundary line can exist in the body formed by the front shell and the rear shell which are arranged in a split manner, so that the body is not attractive.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention is to overcome the defect that the key device of the electric fan in the prior art is troublesome to be disassembled and assembled, thereby providing a key component with simple disassembly and assembly and a device having the key component.

A key element comprising:

the shell is provided with at least one first key position, and at least one end of the shell is provided with an opening;

the key structure is provided with at least one second key position, is suitable for being installed in the shell or separated from the shell through the opening and is provided with a mounting position where the second key position corresponds to the first key position;

and the locking structure is suitable for locking the position of the key structure when the key structure is at the installation position.

The locking structure includes:

the positioning structure is arranged on the inner peripheral wall of the shell and is suitable for radially limiting the key structure;

and the limiting structure is suitable for axially limiting the key structure when the key structure is positioned at the mounting position.

The key structure is connected with the positioning structure in a sliding manner.

The positioning structure comprises at least one positioning groove, and the positioning groove comprises:

the groove bottom wall is suitable for limiting one side of the key structure, which is back to the first key position;

and the groove side wall is suitable for limiting one side of the key structure adjacent to the second key position.

The positioning structure comprises two positioning grooves which are oppositely arranged.

The limit structure comprises:

and the at least one convex edge extends outwards from one side of the key structure adjacent to the second key position and is suitable for abutting against the end part of the positioning structure when the key structure is positioned at the mounting position.

The limiting structure further comprises a positioning rib which is arranged on the end part of the positioning structure and is suitable for abutting against the convex edge when the key structure is located at the installation position.

The limiting structure comprises a limiting body, limiting grooves or limiting ribs are arranged on the peripheral wall of the limiting body, and limiting ribs or limiting grooves matched with the limiting grooves or limiting ribs are arranged on the positioning structure.

The end part of the key structure is further connected with a limiting part, a limiting cavity is formed in the limiting body, and the limiting part is assembled inside the limiting cavity.

The positioning structure is also provided with at least one first mounting hole, and the limiting body is provided with a second mounting hole matched with the first mounting hole;

the limiting structure further comprises a fastener, and the fastener is suitable for penetrating through the first mounting hole and the second mounting hole and fixedly connecting the limiting body with the shell.

The shell is of an integrally formed structure.

The key structure includes:

the bracket is provided with the second key position;

the circuit board, with the support joint, the circuit board with the position that second button position corresponds is equipped with the button, the button with second button position one-to-one sets up.

The support is provided with at least one blocking part at one side close to the circuit board and is suitable for limiting the circuit board to move towards the direction far away from the second key position.

The number of the blocking parts is at least two, and the blocking parts are respectively arranged on the side part and the end part of the bracket.

And a convex part is arranged on one side of the support far away from the circuit board and is suitable for limiting the circuit board to move towards the direction close to the second key position.

The first key position is a key hole, the key of the key structure is connected with the second key position in a clamping manner, the key structure is suitable for being in the installation position, and the key is inserted into the second key position through the key hole.

A device with a key component comprises the key component.

The device with the key component is an electric fan.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a key component, include: the shell is provided with at least one first key position, and at least one end of the shell is provided with an opening; the key structure is provided with at least one second key position, is suitable for being installed in the shell or separated from the shell through the opening and is provided with a mounting position where the second key position corresponds to the first key position; and the locking structure is suitable for locking the position of the key structure when the key structure is at the installation position. Through set up first button position on the shell and structurally set up the second button position at the button for when the button structure can assemble when the shell is packed into to the opening through the shell tip, through the alignment of two button positions, make can be very clear know the button structure and assemble to the mounted position in place, through setting up the locking structure, can lock the button structure of accomplishing the assembly, prevent that the button structure from coming off from the shell, the utility model provides a key part can make the button structure directly assemble from the opening of shell tip, need not dismantle the shell again, makes the dismouting of button structure simpler, simultaneously, owing to need not to dismantle the shell, makes the button structure also can assemble on integrated into one piece's shell, and the suitability is wider.

2. The utility model provides a key part, the locking structure includes: the positioning structure is arranged on the inner peripheral wall of the shell and is suitable for radially limiting the key structure; and the limiting structure is suitable for axially limiting the key structure when the key structure is positioned at the mounting position. Through setting up the locking structure to include carrying out radial spacing location structure to the button structure to and carry out axial spacing limit structure to the case subassembly, make the button structure assembly more firm, prevent its activity in axial and radial.

3. The utility model provides a key part, the button structure with location structure slidable connection. Through being connected button structure and location structure slidable for button structure and location structure's assembly is simpler.

4. The utility model provides a key part, location structure includes at least one positioning groove, positioning groove includes: the groove bottom wall is suitable for limiting one side of the key structure, which is back to the first key position; and the groove side wall is suitable for limiting one side of the key structure adjacent to the second key position. Through setting up positioning groove into including groove diapire and groove lateral wall, can carry on spacingly to the lateral part and the tip of button structure for the spacing of button structure is more firm.

5. The utility model provides a key part, limit structure includes: and the at least one convex edge extends outwards from one side of the key structure adjacent to the second key position and is suitable for abutting against the end part of the positioning structure when the key structure is positioned at the mounting position. Through the protruding edge that sets up outside extension at the lateral part of button structure for when the button structure inwards assembles from the opening of shell tip, protruding edge and location structure's tip looks butt indicates promptly that the button structure has assembled to the mounted position, can carry out the axial well to the button structure spacing.

6. The utility model provides a key part, limit structure includes spacing body, be equipped with spacing groove or spacing muscle on the perisporium of spacing body, be equipped with on the location structure with spacing groove or spacing muscle or the spacing groove that spacing muscle cooperateed and set up. The limiting groove and the limiting rib which are matched with each other and assembled are arranged on the limiting body and the positioning structure, so that the assembling mode of the limiting body and the positioning structure is simpler.

7. The utility model provides a key part, the tip of button structure still is connected with spacing portion, be equipped with spacing chamber on the spacing body, spacing portion assemble in spacing intracavity portion. Through the spacing portion of end connection at the button structure, set up spacing chamber on spacing body, carry on when spacing body is spacing to the case subassembly for spacing portion assembles in spacing intracavity portion, can be more firm to button structure's spacing.

8. The utility model provides a key component, at least one first mounting hole is also formed on the positioning structure, and a second mounting hole matched with the first mounting hole is formed on the limiting body; the limiting structure further comprises a fastener, and the fastener is suitable for penetrating through the first mounting hole and the second mounting hole and fixedly connecting the limiting body with the shell. Through setting up the fastener for the fixed of spacing body and shell is more firm, also makes spacing body spacing more firm to the button structure.

9. The utility model provides a key component, the shell is integrated into one piece's structure. Through setting up the shell into integrated into one piece's structure for the boundary of shell around can not appearing split type on key unit's the shell, whole outward appearance is more pleasing to the eye, strengthens the degree of discerning of outward appearance.

10. The utility model provides a key part, the button structure includes: the bracket is provided with the second key position; the circuit board, with the support joint, the circuit board with the position that second button position corresponds is equipped with the button, the button with second button position one-to-one sets up. Through carrying out the joint with support and circuit board for the mounting means of support and circuit board is simpler, and the cost is lower.

11. The utility model provides a key part, form the installation on the support the installation cavity of circuit board, the support is being close to one side of circuit board be equipped with at least one stop part, be suitable for the restriction the circuit board is to keeping away from the direction motion of second button position. The blocking part is arranged on the support, so that the circuit board can be prevented from moving towards the direction far away from the second key position when the circuit board is assembled with the support.

12. The utility model provides a key part, the stop part is two at least, locates respectively the lateral part and the tip of support. The side part and the end part of the bracket are provided with the blocking parts, so that the circuit board can be more firmly limited.

13. The utility model provides a key part, the support is kept away from be equipped with the convex part on one side of circuit board, be suitable for the restriction the circuit board is to being close to the direction motion of second button position. Through set up the convex part on the support, can prevent that the circuit board from moving to the installation intracavity of support, further spacing to the circuit board.

14. The utility model provides a key part, first button position is the button hole, the button of button structure with second button position joint is suitable for the button structure is in during the mounted position, the button passes through insert according to the button hole the second button position. Through setting up first button position into the key-press hole, can follow the direct assembly button on the key-press hole of shell, the button is pressed key and second button position joint for the assembly mode of button is simpler.

Drawings

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

Fig. 1 is a schematic structural view of the key assembly according to the present invention after assembly;

FIG. 2 is an exploded view of the key assembly of the present invention;

fig. 3 is a schematic structural diagram of a housing of the key unit of the present invention;

fig. 4 is a schematic structural view of the limiting body of the key component of the present invention;

fig. 5 is a schematic structural diagram of a circuit board of the key unit of the present invention;

fig. 6 is a schematic structural view of the front and back surfaces of the support of the key component according to the present invention;

fig. 7 is a schematic structural diagram of a key of the key component according to the present invention.

Description of reference numerals:

1-a housing; 2-a limiting body; 3-a circuit board; 4-a scaffold; 5-pressing a key; 11-a first key position; 12-a first mounting hole; 13-abdicating space; 14-positioning grooves; 15-positioning ribs; 16-a limiting rib; 21-a limiting groove; 22-a second mounting hole; 23-a limiting cavity; 31-a button; 32-fool-proof structure; 41-second key position; 42-a convex portion; 43-a first barrier; 44-a mounting cavity; 45-a limiting part; 46-convex edge; 47-a second barrier; 48-buckling; 51-card hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 7, the present embodiment provides a key unit including: a housing 1, a key structure and a locking structure.

The shell 1 is provided with at least one first key position 6, and at least one end of the shell 1 is provided with an opening; the key structure is provided with at least one second key 41, is suitable for being installed in the shell 1 or separated from the shell 1 through the opening and is provided with an installation position where the second key 41 is arranged corresponding to the first key 6; and the locking structure is suitable for locking the position of the key structure when the key structure is at the installation position.

Through setting up first button position 6 on shell 1 and structural second button position 41 that sets up of button for the button structure can assemble when packing into shell 1 through the opening of shell 1 tip, through the alignment of two buttons 5 positions, make can be very clear know the button structure and assemble to the mounted position in place, through setting up locking structure, can lock the button structure of assembly completion, prevent that the button structure from coming off from shell 1, the utility model provides a button part can make the button structure directly assemble from the opening of shell 1 tip, need not dismantle shell 1 again, makes the dismouting of button structure fairly simple, simultaneously, owing to need not to dismantle shell 1, makes the button structure also can assemble on integrated into one piece's shell 1, and the suitability is wider.

The locking structure in this embodiment includes: the positioning structure is arranged on the inner peripheral wall of the shell 1 and is suitable for radially limiting the key structure; and the limiting structure is suitable for axially limiting the key structure when the key structure is positioned at the mounting position. Through setting up the locking structure to include carrying out radial spacing location structure to the button structure to and carry out axial spacing limit structure to the case subassembly, make the button structure assembly more firm, prevent its activity in axial and radial.

The key structure and the positioning structure in the embodiment can be connected in a sliding way. Through being connected button structure and location structure slidable for button structure and location structure's assembly is simpler. As an alternative embodiment, the key structure can also be movably connected to the positioning structure in another way, so that the key structure can be mounted on the positioning structure.

As shown in fig. 3, the specific form of the positioning structure is various, and the positioning structure in this embodiment includes at least one positioning groove 14, and the positioning groove 14 includes: the bottom wall of the groove is suitable for limiting one side of the key structure back to the first key position 6; and the side wall of the groove is arranged at an angle with the bottom wall of the groove and is suitable for limiting one side of the key structure adjacent to the second key position 41. By arranging the positioning groove 14 to include the groove bottom wall and the groove side wall, the side and end portions of the key structure can be limited, so that the limitation of the key structure is firmer.

Specifically, the positioning structure in this embodiment includes two positioning grooves 14, and the two positioning grooves 14 are disposed oppositely, and during assembly, two oppositely disposed side portions of the key structure are respectively overlapped on the two oppositely disposed positioning grooves 14. As an alternative embodiment, it is also possible for the detent structure to be a detent recess 14, in which one groove side wall is provided on the inner circumferential wall on one side and the other groove side wall is provided on the inner circumferential wall on the opposite side, the two groove side walls being connected together by a groove bottom wall.

The specific form of limit structure has a lot of, and limit structure in this embodiment includes: at least one ledge 46 extends outwardly from a side of the key structure adjacent the second key location 41 and is adapted to abut an end of the locating structure when the key structure is in the installed position. Through the protruding edge 46 that sets up the outside extension at the lateral part of button structure for when the button structure inwards assembles from the opening of shell 1 tip, protruding edge 46 and location structure's tip looks butt, show that the button structure has assembled to the mounted position promptly, can carry out axial spacing to the button structure well.

Specifically, the number of the protruding edges 46 in this embodiment is two, and the protruding edges extend outward from two side portions of the key structure, and the limiting structure in this embodiment further includes a positioning rib 15, and the positioning rib 15 is disposed on an end portion of the positioning structure and abuts against the protruding edges 46 when the key structure is located at the installation position. As an alternative embodiment, one or more raised edges 46 may be provided. As an alternative embodiment, the positioning structure may be provided without positioning ribs 15, or with positioning grooves 14, as long as the ledge 46 can abut the positioning structure when the key structure is in the mounted position, indicating that the key structure is assembled in place.

As shown in fig. 4, the limiting structure in this embodiment includes a limiting body 2, a limiting groove 21 is disposed on a peripheral wall of the limiting body 2, and a limiting rib 16 disposed in cooperation with the limiting groove 21 is disposed on the positioning structure. Through set up spacing groove 21 and spacing muscle 16 of mutually supporting assembly on spacing body 2 and location structure for spacing body 2 is simpler with location structure's assembly methods. As an alternative embodiment, the position limiting body 2 may be provided with a position limiting rib 16 on the peripheral wall thereof, and the positioning structure may be provided with a position limiting groove 21 provided to match with the position limiting rib 16.

The tip of button structure in this embodiment still is connected with spacing portion 45, is equipped with spacing chamber 23 on spacing body 2, and the axial assembly of spacing portion 45 is inside spacing chamber 23, and spacing portion 45 radially assembles in location structure's the space of stepping down 13, and the space of stepping down 13 is formed for the lateral wall that extends to the direction of keeping away from the lateral wall by the tip of two positioning groove 14 tank bottom walls keeping away from the internal perisporium to the lateral wall that extends. Through the spacing portion 45 of end connection at the button structure, set up spacing chamber 23 on spacing body 2, when spacing body 2 carries on spacingly to the case subassembly for spacing portion 45 assembles in spacing intracavity 23 inside, can be more firm to button structure's spacing.

In order to make the limiting more firm, at least one first mounting hole 12 is further formed on the side wall of the abdicating space 13 in the embodiment, and a second mounting hole 22 which is matched with the first mounting hole 12 is formed on the limiting body 2; the limiting structure further comprises a fastener, and the fastener is suitable for penetrating through the first mounting hole 12 and the second mounting hole 22 to fixedly connect the limiting body 2 with the shell 1. Through setting up the fastener for spacing body 2 is more firm with the fixed of shell 1, also makes spacing body 2 spacing more firm to the button structure.

Specifically, the first mounting hole 12 and the second mounting hole 22 in the present embodiment are both two, and the fastener is a screw. In the embodiment, the number of the first mounting holes 12 and the second mounting holes 22 may be one or more, and the fastening member may be a bolt or other fastening member.

The housing 1 in this embodiment is an integrally formed structure. Through setting up shell 1 to integrated into one piece's structure for the boundary of shell around can not appearing split type on key unit's the shell 1, whole outward appearance is more pleasing to the eye, strengthens the degree of discerning of outward appearance. As an alternative embodiment, the housing 1 may be a front case and a rear case that are separately provided.

The first key 6 and the second key 41 in the present embodiment are three in number. As a changeable embodiment, the number of the first key 6 and the second key 41 may be two or other numbers, and may be set according to actual needs.

In this embodiment, an opening is formed at one end of the housing 1, and the key structure is assembled and disassembled through the opening at the end. As an alternative embodiment, both ends of the housing 1 may be provided with openings.

The key structure in this embodiment is a key assembly formed by connecting a plurality of assemblies, and specifically includes: the bracket 4, the bracket 4 is provided with a second key position 41; the circuit board 3 is clamped with the bracket 4, the button 31 is arranged at the position of the circuit board 3 corresponding to the second key position 41, and the button 31 and the second key position 41 are arranged in one-to-one correspondence. Through carrying out the joint with support 4 and circuit board 3 for the mounting means of support 4 and circuit board 3 is simpler, and the cost is lower.

As shown in fig. 6, the support 4 in this embodiment is formed with a mounting cavity 44 for mounting the circuit board 3, and the support 4 is provided with at least one stopper portion at a side close to the circuit board 3, adapted to restrict the circuit board 3 from moving in a direction away from the second key 41. By providing the blocking portion on the holder 4, the circuit board 3 can be prevented from moving in a direction away from the second key 41 when the circuit board 3 is assembled with the holder 4.

Specifically, the blocking portions in this embodiment include a first blocking portion 43 disposed on the side portion and a second blocking portion 47 disposed on the end portion, two first blocking portions 43 are disposed at one end of the bracket 4, the first blocking portions 43 are protrusions extending inward from the end portion, a plurality of second blocking portions 47 are disposed on the side portion of the bracket 4, and the second blocking portions 47 are buckles. The side part and the end part of the bracket 4 are both provided with blocking parts, so that the circuit board 3 can be more firmly limited. As an alternative embodiment, the specific number of the stoppers may be set according to actual conditions.

In order to prevent the circuit board 3 from moving into the mounting cavity 44 of the holder 4, a projection 42 is provided on the side of the holder 4 remote from the circuit board 3, adapted to restrict the circuit board 3 from moving in a direction approaching the second key 41. The convex portions 42 in this embodiment are four convex columns. As an alternative embodiment, the projections 42 may be bumps, and the number may be set as required.

As shown in fig. 5, in order to facilitate assembling the bracket 4 and the circuit board 3, the circuit board 3 in this embodiment is further provided with fool-proof structures 32 at two ends thereof, so as to distinguish the two ends of the bracket 4 and the circuit board 3, wherein one end of the circuit board 3 having the massive fool-proof structure 32 is adapted to the end of the bracket 4 provided with the blocking portion, and one end of the circuit board 3 having the small fool-proof structure 32 is adapted to the end of the bracket 4 provided with the convex edge 46 and connected with the limiting portion 45.

The first key 6 in this embodiment is a key hole, the second key 41 is a key hole, the key 5 of the key structure is clamped with the second key 41, and the key 5 is suitable for being inserted into the second key 41 through the key hole and contacting with the button 31 on the circuit board 3 when the key structure is at the installation position. By setting the first key 6 as a key hole, the key 5 can be directly assembled from the key hole of the housing 1, and the key 5 is engaged with the second key 41, so that the assembly of the key 5 is simpler. As an alternative embodiment, the first key position 6 is a key 5 slot.

As shown in fig. 6 and 7, in particular, the second key 41 in the present embodiment is provided with a plurality of buckles 48, and the key 5 is provided with a buckle hole 51 disposed to match with the buckles 48. As an alternative embodiment, the latch 48 may be provided on the key 5, and the latch hole 51 may be provided on the second key 41; alternatively, the number of the snap 48 and the snap hole 51 can be set according to actual needs.

The key 5 in this embodiment is a mechanical key. As an alternative embodiment, the keys 5 may be touch-type keys.

The embodiment also provides a device with a key part, which comprises the key part.

Specifically, the device having the key unit in this embodiment is an electric fan. As an alternative embodiment, the device with the key member may be any electrical appliance that may need to be controlled by means of the keys 5.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A key element, comprising:

the key pressing device comprises a shell (1) and a key pressing mechanism, wherein at least one first key pressing position (11) is arranged on the shell (1), and an opening is formed in at least one end of the shell (1);

the key structure is provided with at least one second key (41), is suitable for being installed in the shell (1) or separated from the shell (1) through the opening and is provided with an installation position where the second key (41) is arranged corresponding to the first key (11);

2. A key element according to claim 1, wherein said locking structure comprises:

the positioning structure is arranged on the inner peripheral wall of the shell (1) and is suitable for radially limiting the key structure;

3. A key element according to claim 2, characterised in that said key structure is slidably connected to said positioning structure.

4. A key element according to claim 2, characterised in that said positioning structure comprises at least one positioning groove (14), said positioning groove (14) comprising:

the bottom wall of the groove is suitable for limiting one side of the key structure, which is back to the first key position (11);

and the groove side wall is suitable for limiting one side of the key structure adjacent to the second key position (41).

5. A key element according to claim 4, characterised in that said positioning structure comprises two said positioning grooves (14), and that said two positioning grooves (14) are arranged opposite each other.

6. A key element according to any of claims 2-5, characterised in that said limiting structure comprises:

at least one protruding edge (46) extending outwards from one side of the key structure adjacent to the second key (41) and adapted to abut against the end of the positioning structure when the key structure is in the mounting position.

7. A key element according to claim 6, characterised in that said retention structure further comprises a positioning rib (15), said positioning rib (15) being provided on an end of said positioning structure and being adapted to abut against said ledge (46) when said key structure is in said mounted position.

8. A key unit according to any one of claims 2-5, characterised in that the limiting structure comprises a limiting body (2), a limiting groove (21) or a limiting rib (16) is provided on the peripheral wall of the limiting body (2), and a limiting rib (16) or a limiting groove (21) is provided on the positioning structure and is matched with the limiting groove (21) or the limiting rib (16).

9. The key component according to claim 8, wherein a limiting part (45) is further connected to an end of the key structure, a limiting cavity (23) is formed in the limiting body (2), and the limiting part (45) is assembled inside the limiting cavity (23).

10. The key element according to claim 8, wherein the positioning structure is further formed with at least one first mounting hole (12), and the limiting body (2) is formed with a second mounting hole (22) which is matched with the first mounting hole (12);

the limiting structure further comprises a fastener, and the fastener is suitable for being arranged in the first mounting hole (12) and the second mounting hole (22) in a penetrating mode and fixedly connects the limiting body (2) with the shell (1).

11. A key element according to any of claims 1-5, characterised in that said housing (1) is of an integrally formed construction.

12. A key element according to any of claims 1-5, characterised in that said key structure comprises:

the bracket (4), the second button position (41) is arranged on the bracket (4);

circuit board (3), with support (4) joint, circuit board (3) with the position that second button (41) correspond is equipped with button (31), button (31) with second button (41) one-to-one sets up.

13. A key element according to claim 12, characterised in that said support (4) is formed with a mounting cavity (44) for mounting said circuit board (3), said support (4) being provided with at least one stop on a side close to said circuit board (3) adapted to limit the movement of said circuit board (3) in a direction away from said second key (41).

14. A key element according to claim 13, characterised in that said stops are at least two, provided respectively at the sides and at the ends of said support (4).

15. A key element according to claim 12, characterised in that said support (4) is provided with a projection (42) on the side remote from said circuit board (3) adapted to limit the movement of said circuit board (3) towards the approach of said second key (41).

16. The key assembly according to claim 12, wherein said first key (11) is a key hole, and said key (5) of said key structure is engaged with said second key (41), and adapted to be inserted into said second key (41) through said key hole by said key (5) when said key structure is in said installation position.

17. A device having a key element, comprising a key element according to any one of claims 1-16.

18. The device with key unit of claim 17, wherein the device with key unit is an electric fan.