CN219759427U

CN219759427U - Knob switch

Info

Publication number: CN219759427U
Application number: CN202320567245.7U
Authority: CN
Inventors: 杜光乾; 谭旭升; 代毅; 陈增兵; 梁创霖
Original assignee: Shenzhen Bomingwei Technology Co ltd
Current assignee: Shenzhen Bomingwei Technology Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-09-26
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a knob switch, and relates to the technical field of waterproof switches. The knob switch includes: the switch seat is provided with a first side face and a second side face which are opposite to each other, and is provided with a through hole penetrating through the first side face and the second side face; the switch body is movably arranged in the through hole, two ends of the switch body are respectively provided with a head part and a pin part, the head part protrudes from the first side surface, and the pin part protrudes from the second side surface; the knob cover forms an inner cavity with an opening, the edge of the opening of the knob cover is connected with the outer edge of the through hole, and the head part passes through the opening and is arranged in the inner cavity. The knob switch has good waterproof effect.

Description

Knob switch

Technical Field

The utility model relates to the technical field of waterproof switches, in particular to a knob switch.

Background

The knob electrical switch (hereinafter referred to as knob switch) is rotatably arranged on the switch seat, the switch seat is fixed on a wall body or an electric box through a screw, the head of the knob switch is exposed to facilitate manual rotation, but rain or water remains on the switch seat, and the water is easy to flow in from a gap between the knob switch and the switch seat to cause short circuit.

Disclosure of Invention

The utility model aims to provide a knob switch and aims to solve the technical problem of how to waterproof the knob switch.

In order to achieve the above object, the present utility model provides a knob switch, comprising:

the switch seat is provided with a first side face and a second side face which are opposite to each other, and is provided with a through hole penetrating through the first side face and the second side face;

the switch body can be movably arranged in the through hole, the two ends of the switch body are respectively provided with a head part and a pin part, the head part protrudes from the first side surface, and the pin part protrudes from the second side surface; and

the knob cover is provided with an inner cavity with an opening, the edge of the opening of the knob cover is connected with the outer edge of the through hole, and the head part passes through the opening and is arranged in the inner cavity.

Optionally, the switch seat is concave to be equipped with the recess in first side, the recess is followed the circumference extension setting of through-hole, the opening border is equipped with connecting portion, connecting portion rotatable install in the recess.

Optionally, the knob switch further comprises a packaging cover, the packaging cover is connected to the periphery of the switch seat, and the packaging part is sleeved on the periphery of the knob cover and covers the groove;

and/or the switch seat, the knob cover and the packaging cover are made of metal.

Optionally, the packaging cover includes a body and an edge portion extending along a circumferential direction of the body, the body is provided with a sleeve hole, a cross-sectional dimension of the connecting portion is larger than a cross-sectional dimension of the knob cover, the knob cover is arranged in the sleeve hole in a penetrating manner, and the edge portion is arranged around a periphery of the connecting portion and abuts against the first side face;

and/or the switch seat is provided with a first connecting hole, the packaging cover is provided with a second connecting hole, and a locking piece sequentially penetrates through the first connecting hole and the second connecting hole so that the packaging cover is in threaded connection with the switch seat.

Optionally, a sealing waterproof structure is arranged between the inner peripheral wall of the groove and the outer peripheral wall of the connecting part.

Optionally, the sealing waterproof structure has a plurality ofly, and a plurality of sealing waterproof structure is followed the axis direction interval setting of through-hole.

Optionally, the sealing waterproof structure is a first sealing ring;

the periphery wall of connecting portion is equipped with first waterproof groove, first sealing washer install in the first waterproof groove.

Optionally, the height of the surface where the opening edge of the through hole is located is greater than the surface where the opening edge of the groove is located.

Optionally, the outer peripheral wall of the switch body is provided with a convex part, the convex part is close to the head of the switch body, and the convex part is abutted to the opening edge of the through hole.

Optionally, a second waterproof groove is arranged on the second side surface of the switch seat, the second waterproof groove is arranged on the opening edge of the through hole in a surrounding mode, and a second sealing ring is arranged in the second waterproof groove.

The knob switch comprises a switch seat, a switch body and a knob cover, wherein the knob cover is rotated by a hand and simultaneously the switch body can be rotated. The beneficial effects are that: the switch body is rotatably installed in the through-hole of switch seat, and the knob lid is connected in the switch seat from the head direction of switch body, and the knob lid is used for covering the switch body, and switch seat and knob lid play parcel guard action to the switch body, and this kind of parcel nature design still can play explosion-proof effect. In practical application, when the pin part of switch body is pegged graft on the socket, the opening border of knob lid is connected in the outward flange of through-hole, can prevent that water liquid from spilling into in the through-hole from the outward flange of through-hole to make knob switch have good water-proof effects.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a rotary switch according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the rotary switch of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a rotary switch according to the present utility model;

fig. 4 is a schematic diagram of a combination structure of a rotary switch and a mainframe box according to an embodiment of the utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	Switch base	3	Knob cover
11	Through hole	31	Connecting part
				12	Groove	311	First waterproof groove
13	First connecting hole	3111	First sealing ring
				14	Second waterproof groove	4	Packaging cover
141	Second sealing ring	41	Trepanning
				2	Switch body	42	Edge portion
21	Head part	43	Second connecting hole
				22	Pin part	100	Screw structure
23	Convex part	200	Main case

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 3, in an embodiment of the present utility model, the knob switch includes: a switch seat 1, a switch body 2 and a knob cover 3, wherein the switch seat 1 is provided with a first side surface (not shown in the figure) and a second side surface (not shown in the figure) which are opposite, and the switch seat 1 is provided with a through hole 11 penetrating through the first side surface and the second side surface; the switch body 2 is movably mounted in the through hole 11, two ends of the switch body 2 are respectively provided with a head 21 and a pin 22, the head 21 protrudes from the first side surface, and the pin 22 protrudes from the second side surface; the knob cover 3 forms an inner cavity having an opening (not shown) through which the head 21 is mounted, and the opening edge of the knob cover 3 is connected to the outer edge of the through hole 11.

Alternatively, the switch seat 1 may be square, as shown in fig. 4, and may abut against a surface (plane) of a wall or a main chassis 200, etc., to reduce or prevent water from overflowing from the pin portion 22 into the socket, thereby increasing installation connection stability and use safety. In other embodiments, the cross section of the switch seat 1 may be circular or other shapes, which is not limited herein. The knob cover 3 has the same shape as the head 21, and forms a cavity for accommodating the head 21 to fit the head 21, and the head 21 is square in shape, so that the knob cover 3 and the head 21 are less likely to slip when the knob cover 3 is rotated compared with a circular shape.

The working principle of the utility model is as follows: the switch body 2 is rotatably arranged in the through hole 11 of the switch seat 1, the knob cover 3 is connected to the switch seat 1 from the direction of the head 21 of the switch body 2, the knob cover 3 is used for covering the switch body 2, the switch seat 1 and the knob cover 3 play a wrapping protection role on the switch body 2, and the wrapping design can also play an explosion-proof role.

In practical application, when the pin portion 22 of the switch body 2 is plugged into the socket, the opening edge of the knob cover 3 is connected to the outer edge of the through hole 11, so as to prevent water from overflowing into the through hole 11 from the outer edge of the through hole 11, so as to make the knob switch have a waterproof effect. The hand-held knob cover 3 is rotated and simultaneously the switch body 2 is also rotated.

As shown in fig. 1 and fig. 2, in an alternative solution, the switch seat 1 is concavely provided with a groove 12 on a first side, the groove 12 extends along a circumference of the through hole 11, the opening edge is provided with a connecting portion 31, and the connecting portion 31 is rotatably installed in the groove 12.

This type of structure sets up, even water overflows into recess 12 from the external world, but because connecting portion 31 separation effect, water overflow stroke is big and the route crooked, and the overflow degree of difficulty is big to make whole structure have splendid water-proof effects. Of course, the cross-sectional shapes of the groove 12 and the connecting portion 31 are circular, so that the knob cover 3 can be freely rotated, and the whole rotation path of the knob cover 3 has a waterproof effect. Alternatively, the connecting portion 31 may be integrally formed with the knob cover 3, so as to facilitate processing.

In the technical scheme of the utility model, the knob switch further comprises a packaging cover 4, wherein the packaging cover 4 is connected to the periphery of the switch seat 1, and the packaging part is sleeved on the periphery of the knob cover 3 and covers the groove 12; and/or, the switch seat 1, the knob cover 3 and the packaging cover 4 are made of metal.

The packaging cover 4 covers the groove 12, so that the problem that water overflows into the groove 12 can be further reduced or prevented, and the waterproof effect at the groove 12 is improved. The encapsulation cover 4 can also be used to limit the connection portion 31 in the groove 12, preventing the knob cover 3 from being separated from the switch base 1, thereby ensuring that the knob switch cannot be separated from the switch base 1. The switch seat 1, the knob cover 3 and the packaging cover 4 are made of metal, and the purpose of the switch seat is to increase the service life of the structure, the connection strength between the structures is increased to increase the installation stability and the explosion resistance.

In the technical solution of the present utility model, the packaging cover 4 includes a body (not shown) and an edge portion 42 extending along a circumferential direction of the body, the body is provided with a sleeve hole 41, a cross-sectional dimension of the connecting portion 31 is larger than a cross-sectional dimension of the knob cover 3, the knob cover 3 is inserted into the sleeve hole 41, and the edge portion 42 is enclosed around a circumferential edge of the connecting portion 31 and abuts against the first side surface; the switch seat 1 is provided with a first connecting hole 13, the packaging cover 4 is provided with a second connecting hole 43, and a locking piece sequentially penetrates through the first connecting hole 13 and the second connecting hole 43 so that the packaging cover 4 is in threaded connection with the switch seat 1.

In practical application, the body of the encapsulation cover 4, the edge portion 42 and the first side surface of the switch seat 1 enclose to form an accommodating space, the connecting portion 31 is limited in the accommodating space, a good waterproof effect is achieved, the whole structure of the knob switch is compact and attractive, of course, the encapsulation cover 4 can also be square, and the structure is compact and attractive due to the shape adaptation of the encapsulation cover and the square switch seat 1. In practical applications, the body and the edge portion 42 may be integrally formed. To facilitate disassembly, the locking element may be a screw structure 100.

In the technical solution of the present utility model, a sealing waterproof structure is disposed between the inner peripheral wall of the groove 12 and the outer peripheral wall of the connecting portion 31.

The combined structure of the groove 12 and the connecting portion 31 has a waterproof effect, but still has a structural gap, and cannot meet the waterproof use requirements under special conditions such as deep water high pressure, in order to solve the technical problems, a sealing waterproof structure is arranged between the inner peripheral wall of the groove 12 and the outer peripheral wall of the connecting portion 31, and the structural gap can be eliminated, so that the structural tightness is increased, and the sealing effect of the deep water level is achieved.

In the technical scheme of the utility model, a plurality of sealing waterproof structures are arranged at intervals along the axial direction of the through hole 11.

Of course, in order to increase the sealing effect, the sealing waterproof structures may be disposed in plural and spaced along the axial direction of the switch seat 1 (of course, the axial direction of the switch body 2), and the purpose is to set the sealing waterproof structures along the water overflow direction at intervals, block the overflow water liquid, and increase the structural waterproof effect.

In the technical scheme of the utility model, the sealing waterproof structure is a first sealing ring 3111; the outer peripheral wall of the connection portion 31 is provided with a first waterproof groove 311 (not shown), and the first seal 3111 is mounted in the first waterproof groove 311.

In practical application, if water overflows into the switch seat 1, water overflows into the bottom of the groove 12 from the structural gap between the outer peripheral wall of the connecting portion 31 and the inner peripheral wall of the groove 12, and in order to achieve a good waterproof effect from the outer peripheral wall direction of the connecting portion 31, the outer peripheral wall of the connecting portion 31 is provided with the first waterproof groove 311 and the first sealing ring 3111 is installed, so that water is blocked in the first time, and water overflows into the bottom of the groove 12 and even into the through hole 11. In practical application, in order to further increase the blocking effect, a waterproof groove may be opened on the inner peripheral wall of the connecting portion 31 and a sealing ring may be installed. Naturally, a waterproof groove and a sealing ring can be arranged on the inner peripheral wall and the bottom of the groove 12. When the knob switch is rotated, the sealing ring structure is used, so that a proper damping effect can be increased, the rotating hand feeling is increased, and the preset angle is accurately rotated.

In the technical scheme of the utility model, the height of the surface of the opening edge of the through hole 11 is larger than that of the surface of the opening edge of the groove 12.

This type of structure setting, as shown in fig. 1 and 2, the surface height of the opening edge of the through hole 11 is obviously higher than the opening edge of the groove 12, and this type of structure setting, the opening edge of the through hole 11 is located one side of the groove 12 towards the through hole 11, forms higher flange structure, can not only play stable support to the connecting portion 31, has also increased the stroke of water overflow, further increases the structure water-proof effects.

In the present utility model, the outer peripheral wall of the switch body 2 is provided with a protrusion 23, the protrusion 23 is close to the head 21 of the switch body 2, and the protrusion 23 abuts against the opening edge of the through hole 11.

This type of structure sets up, and switch body 2 accessible convex part 23 butt is connected with switch seat 1 detachable in the opening border of through-hole 11, and rotatable, and the rethread encapsulation lid 4 butt is in convex part 23's mode with switch body 2 stable installation in switch seat 1, convenient dismouting.

In the technical scheme of the utility model, a second waterproof groove 14 is arranged on the second side surface of the switch seat 1, the second waterproof groove 14 is annularly arranged at the opening edge of the through hole 11, and a second sealing ring 141 is arranged in the second waterproof groove 14. As shown in fig. 2 and 4.

As described above, in practical application, the switch seat 1 may also be abutted against the surface of the wall and the main chassis 200, so as to reduce or prevent water from overflowing from the pin portion 22 into the socket, and increase the stability of installation connection and safety in use, and in order to achieve the waterproof effect, a sealing ring structure may be added between the switch seat 1 and the wall for sealing the structural gap, thereby achieving a good waterproof effect.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A rotary switch, comprising:

the switch seat (1), the switch seat (1) has opposite first side and second side, the said switch seat (1) has through-hole (11) which link up the said first side and said second side;

the switch body (2) can be movably arranged in the through hole (11), two ends of the switch body (2) are respectively provided with a head part (21) and a pin part (22), the head part (21) protrudes from the first side surface, and the pin part (22) protrudes from the second side surface; and

the knob cover (3) is provided with an inner cavity with an opening, the opening edge of the knob cover (3) is connected with the outer edge of the through hole (11), and the head (21) is installed in the inner cavity through the opening.

2. The rotary switch according to claim 1, wherein the switch seat (1) is concavely provided with a groove (12) on a first side surface, the groove (12) extends along the circumference of the through hole (11), the opening edge is provided with a connecting part (31), and the connecting part (31) is rotatably installed in the groove (12).

3. The rotary switch according to claim 2, further comprising a packaging cover (4), wherein the packaging cover (4) is connected to the periphery of the switch base (1), and the packaging cover (4) is sleeved on the periphery of the rotary switch cover (3) and covers the groove (12);

and/or the switch seat (1), the knob cover (3) and the packaging cover (4) are made of metal.

4. A knob switch according to claim 3, wherein the encapsulation cover (4) comprises a body and an edge portion (42) extending along the circumferential direction of the body, the body is provided with a sleeve hole (41), the cross-sectional dimension of the connecting portion (31) is larger than that of the knob cover (3), the knob cover (3) is arranged in the sleeve hole (41) in a penetrating manner, and the edge portion (42) is arranged around the periphery of the connecting portion (31) in a surrounding manner and abuts against the first side face;

and/or, the switch seat (1) is provided with a first connecting hole (13), the packaging cover (4) is provided with a second connecting hole (43), and a locking piece sequentially penetrates through the first connecting hole (13) and the second connecting hole (43), so that the packaging cover (4) is in threaded connection with the switch seat (1).

5. Knob switch according to claim 4, characterized in that a sealing and waterproofing structure is provided between the inner peripheral wall of the recess (12) and the outer peripheral wall of the connection portion (31).

6. The rotary switch according to claim 5, wherein the sealing waterproof structure is plural, and the plural sealing waterproof structures are arranged at intervals along the axial direction of the through hole (11).

7. The rotary switch according to claim 5 or 6, characterized in that the sealing waterproof structure is a first sealing ring (3111);

the outer peripheral wall of the connecting part (31) is provided with a first waterproof groove (311), and the first sealing ring (3111) is installed in the first waterproof groove (311).

8. Knob switch according to any of the claims 2-6, characterized in that the surface height of the opening edge of the through hole (11) is larger than the surface of the opening edge of the recess (12).

9. Knob switch according to claim 7, characterized in that the outer circumferential wall of the switch body (2) is provided with a protrusion (23), the protrusion (23) being close to the head (21) of the switch body (2), the protrusion (23) being in abutment with the opening edge of the through hole (11).

10. The knob switch according to any one of claims 1-6, wherein a second side surface of the switch seat (1) is provided with a second waterproof groove (14), the second waterproof groove (14) is annularly arranged at the opening edge of the through hole (11), and a second sealing ring (141) is arranged in the second waterproof groove (14).