CN217933533U

CN217933533U - Push-button switch

Info

Publication number: CN217933533U
Application number: CN202221327810.4U
Authority: CN
Inventors: 池建斌; 金海生; 叶晓丰; 朱映平; 胡向阳; 陈翔翔; 赵登登; 卢晶; 肖体锋
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-29
Anticipated expiration: 2032-05-30

Abstract

The utility model provides a button switch, relates to the low-voltage apparatus field, includes the installation medium plate and installs button head and contact module on the installation medium plate respectively, contact module includes the module casing and sets up the binding post in the module casing, and the module casing corresponds binding post and is equipped with and dodges the hole, the module casing outside is equipped with the sealing member, the sealing member includes two clamping parts that set up relatively to and connect the connecting portion between two clamping parts, two clamping parts respectively with the spacing cooperation of module casing, be equipped with on clamping part and/or the connecting portion and dodge the sealed hole that the hole corresponds, be equipped with the gasket in sealed hole, the gasket is used for sealing or switches on sealed hole, directly promotes flexible gasket and just can be to the binding post wiring, not only has convenient operation's characteristics, can effectively prevent dust and other foreign matters from dodging the hole and get into in the module casing moreover.

Description

Push-button switch

Technical Field

The invention relates to the field of low-voltage electric appliances, in particular to a button switch.

Background

As shown in fig. 1-2, the protection level of the button generally refers to the protection effect that the button can achieve on the front side of the mounting panel 10. The front side of the installation panel 10 can be generally provided with a dustproof level, and if a waterproof ring 20 is added in the button, the protection level of the front side of the installation panel 10 can be provided with a waterproof level.

However, there are many clearance parts directly contacting with the surrounding environment, including module case clearance, wiring holes, screw holes, etc., for the part of the button behind the mounting panel 10, and the clearance of these parts directly affects the protection grade of the button after the mounting panel 10. If the using environment of a customer is poor and the complete equipment used by the customer cannot protect the rear part of the control panel, the button is polluted, and the connection and disconnection reliability of the button is influenced.

SUMMERY OF THE UTILITY MODEL

The invention aims to overcome the defects of the prior art and provides a button switch.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a button switch, includes the installation medium plate and installs button head and contact module on the installation medium plate respectively, contact module includes the module casing and sets up the binding post in the module casing, and the module casing corresponds binding post and is equipped with and dodges the hole, the module casing outside is equipped with the sealing member, the sealing member includes two clamping parts of relative setting to and the connecting portion of connection between two clamping parts, two clamping parts respectively with the spacing cooperation of module casing, be equipped with on clamping part and/or the connecting portion and dodge the sealed hole that the hole corresponds, be equipped with the gasket in sealed downthehole, the gasket is used for sealing or switches on sealed hole.

Preferably, the sealing element further comprises two side plates respectively connected between the two clamping parts, and the two side plates, the two clamping parts and the connecting part form a box-shaped structure.

Preferably, the clamping portions are respectively provided with a tightening portion at the inner side far away from one end of the connecting portion, and the tightening portions can be in limit fit with the side faces, far away from the connecting portion, of the module shell.

Preferably, the inner side of the sealing element is provided with an inner boss surrounding the periphery of the sealing hole, and the inner boss can be inserted into the corresponding avoidance hole for limiting and matching; and/or the outer side of the sealing element is provided with an outer boss surrounding the sealing hole.

Preferably, the module casing is provided with a module inclined plate, the module inclined plate of the module casing is provided with a jack, and the clamping part is provided with a tightening part in limit fit with the jack.

Preferably, the inner side of the clamping part is provided with a sealing plate which is arranged at an oblique angle with the clamping part, and the sealing plate is in contact fit with the module inclined plate.

Preferably, be equipped with two sets of at least binding post in the module casing, and the relative every binding post of group of module casing is equipped with two holes of dodging respectively, and two holes of dodging are the wiring hole that corresponds with binding post's binding screw respectively to and be used for dodging the handle aperture of wire, sealed hole on the clamping part with the wiring hole corresponds, sealed hole on the connecting portion with the handle aperture corresponds.

Preferably, the module shell is provided with an opening between the operation holes corresponding to the two sets of wiring terminals, and the connecting portion is provided with a sealing hole corresponding to the opening.

Preferably, the outer side of the contact module is provided with a mounting screw connected with the mounting middle plate, the clamping part is provided with an extension part protruding outwards, and the extension part is provided with a sealing hole corresponding to the mounting screw.

Preferably, a sealing ring is arranged at the joint of the button head and the mounting middle plate, the sealing ring comprises a fastening ring and a sealing ring, the fastening ring is tightly sleeved on the outer side of the button head, the radius of the sealing ring is larger than that of the fastening ring, and the sealing ring is embedded in the mounting middle plate.

According to the button switch, after the sealing element is limited with the two sides of the module shell respectively through the two clamping parts, the avoiding hole in the module shell is shielded through the sealing element and the sealing sheet in the sealing hole, when the related operation is needed on the wiring terminal in the contact module, the bendable sealing sheet is directly pushed, the button switch not only has the characteristic of convenience in operation, but also can effectively prevent dust and other foreign matters from entering the module shell from the avoiding hole, the dustproof and waterproof grade can be achieved, and the unreliable problem that the connection and the disconnection of the button are influenced due to the poor use environment behind the installation panel is avoided.

In addition, the sealing member still includes two curb plates of connecting respectively between two clamping parts, box-shaped structure is constituteed to two curb plates, two clamping parts and connecting portion, can wrap up the contact module comprehensively, not only makes the sealing member reliably install on the contact module, can also provide more powerful guard effect.

Drawings

FIG. 1 is a schematic view of a conventional push button switch;

FIG. 2 is an exploded view of a button head of a prior art push button switch;

FIG. 3 is an exploded view of the push button switch of the present invention having a first embodiment of the seal;

FIG. 4 is a schematic view of the structure of the inventive seal ring;

FIG. 5 is a button head and a mounting middle plate before a seal ring is mounted according to the invention;

FIG. 6 is a view of the button head and the mounting middle plate after the sealing ring is mounted according to the invention;

FIG. 7 is a schematic view of the seal of the first embodiment of the present invention;

FIG. 8 is another schematic view of the seal of the first embodiment of the present invention;

FIG. 9 is a schematic view of the construction of the push button switch of the present invention having the first embodiment of the sealing member;

FIG. 10 is a first structural view of a sealing sheet and an outer boss on a connecting part of the sealing element of the invention;

FIG. 11 is an enlarged cross-sectional view of the sealing plate and the outer boss on the attachment portion of the inventive seal;

FIG. 12 is a second structural schematic diagram of the sealing plate and the outer boss on the clamping portion of the sealing member of the present invention;

FIG. 13 is an enlarged sectional view of the sealing plate and the outer boss on the clamping portion of the inventive seal;

FIG. 14 is an exploded view of the push button switch of the present invention having a second embodiment of the seal;

FIG. 15 is a first schematic view of the inventive seal in a second embodiment;

FIG. 16 is a schematic diagram of the structure of the inventive contact module;

FIG. 17 is another schematic view of the inventive contact module;

FIG. 18 is a schematic view of the seal and inner boss of the second embodiment of the seal of the present invention;

FIG. 19 is an enlarged cross-sectional view of a sealing plate and an inner boss of a second embodiment of the inventive seal;

FIG. 20 is a second structural view of a sealing member according to a second embodiment of the present invention;

FIG. 21 is a schematic structural view of the sloping plate of the inventive module;

fig. 22 is a schematic view of the inventive module sloping plate cooperating with the tightening part and the sealing plate respectively.

Detailed Description

The following embodiments are provided in connection with the accompanying drawings to further illustrate the embodiments of the push button switch of the present invention. The inventive push button switch is not limited to the description of the following embodiments.

As shown in fig. 3 and 7-9, the push button switch created by the present invention includes an installation middle plate 1, and a button head 2 and a contact module 3 respectively installed on the installation middle plate 1, where the contact module 3 includes a module housing and a connection terminal 4 disposed in the module housing, the module housing is provided with an avoidance hole 5 corresponding to the connection terminal 4, a sealing member 6 is disposed outside the module housing, the sealing member 6 includes two clamping portions 61 disposed opposite to each other, and a connection portion 62 connected between the two clamping portions 61, the two clamping portions 61 are respectively in limit fit with the module housing, the clamping portions 61 and/or the connection portion 62 are provided with a sealing hole 7 corresponding to the avoidance hole 5, a sealing sheet 8 is disposed in the sealing hole 7, and the sealing sheet 8 is used to seal or conduct the sealing hole 7, and it is worth to say that the sealing sheet 8 is flexible, specifically, one end of the sealing sheet 8 is not fixed, that when the sealing sheet 8 is subjected to an external force, the sealing sheet 8 is bent and deformed so as to conduct the sealing hole 7.

According to the button switch, after the sealing element 6 is limited with the two sides of the module shell respectively through the two clamping parts 61, the avoidance hole 5 in the module shell is shielded through the sealing element 6 and the sealing sheet 8 in the sealing hole 7, when the related operation is needed on the wiring terminal 4 in the contact module 3, a wire is inserted to directly push the bendable sealing sheet 8, the button switch not only has the characteristic of convenience in operation, but also can effectively prevent dust and other foreign matters from entering the module shell from the avoidance hole 5, the dustproof and waterproof grade can be achieved, and the unreliable problem that the switch-on of a button is influenced due to the fact that the rear use environment of the installation panel 10 is poor is avoided.

Fig. 3-13 and 14-22 show a first and a second embodiment of the seal 6, respectively, as shown in fig. 14-22 for the second embodiment of the seal 6, which second embodiment comprises two sets of contact modules 3, and two sets of seals 6 corresponding to the two sets of contact modules 3, respectively.

As shown in fig. 16 to 17, two sets of terminals 4 are disposed in each module housing, two avoiding holes 5 are disposed in the module housing corresponding to each set of terminals 4, the two avoiding holes 5 are a wiring hole 51 and an operation hole 52, the operation hole 52 corresponds to a wiring screw of the terminal 4, and a tool for screwing the wiring screw can pass through the operation hole 52 to operate the wiring screw. Specifically, after the wire passes through the module case from the wire connection hole 51 and comes into contact with the wire connection terminal 4, a tool passes through the operation hole 52 to tighten the binding screw, so that the wire is fixed to the wire connection terminal 4.

Further, the sealing member 6 of this example is made of rubber, the sealing hole 7 includes a wiring sealing hole 71 corresponding to the wiring hole 51 and an operation sealing hole 72 corresponding to the operation hole 52, the wiring holes 51 corresponding to the two groups of wiring terminals 4 are respectively disposed on two opposite side surfaces of the module housing, two clamping portions 61 of the sealing member 6 are respectively provided with one wiring sealing hole 71, the wiring sealing holes 71 on the two clamping portions 61 are respectively matched with the two wiring holes 51, the operation holes 52 corresponding to the two groups of wiring terminals 4 are respectively disposed on the side surface of the module housing away from the mounting middle plate 1, the connecting portion 62 of the sealing member 6 is provided with two operation sealing holes 72, and the two operation sealing holes 72 on one connecting portion 62 are respectively matched with the two operation holes 52. Of course, the sealing element 6 made of other materials besides rubber can achieve the protection effect, and all the materials belong to the protection scope of the invention.

As shown in fig. 18 to 19, inner bosses 63 surrounding the sealing holes 7 are provided on the inner side of the sealing member 6, the inner bosses 63 can be inserted into the corresponding avoiding holes 5 for limit fitting, and the inner bosses 63 can not only be limit fitted with the contact modules 3, but also block the edges of the corresponding avoiding holes 5, thereby further improving the protection performance.

Be equipped with flexible gasket 8 in sealed hole 7, gasket 8 shelters from sealed hole 7 under the normal condition, and switches on sealed hole 7 when receiving external force bending to be convenient for the wire passes sealed hole 7. In the present embodiment, two sealing pieces 8 are disposed in the wiring sealing hole 71, or one or more sealing pieces may be disposed, where the sealing piece 8 is connected to a side wall of the wiring sealing hole 71 and a free end extends into the wiring sealing hole 71, where the free end refers to an end of the sealing piece 8 that is not fixed; the shape formed by combining the sealing pieces 8 is matched with the shape of the sealing hole 7, gaps are formed among the side edges of the free ends of the sealing pieces 8 side by side, the gaps can be convenient for a lead and a tool to pass through, and can also play a role in indicating the hole position of the avoidance hole 5 shielded by the sealing piece 6, and the invention belongs to the protection scope created by the invention. It should be noted that the slit herein does not refer to a hole, and may also be a side line formed by side edges of the free end of the sealing sheet 8, which not only has a sealing effect, but also can be bent to avoid the conductor when the conductor is inserted, so that the conductor passes through the avoidance hole 5.

As shown in fig. 15 to 16, the module case is provided with an opening 53 between the operation holes 52 provided for the two sets of terminals 4, respectively, the connection portion 62 is provided with a sealing hole 7 corresponding to the opening 53, and the sealing hole 7 is a third opening sealing hole 73.

As shown in fig. 20 to 22, the sealing element 6 is a U-shaped structure, and includes two clamping portions 61 disposed opposite to each other, and a connecting portion 62 connected between the two clamping portions 61, where two clamping portions 61 are respectively provided with a tightening portion 64 at an end away from the connecting portion 62, and the tightening portion 64 can be in limit fit with a side surface of the module housing away from the connecting portion 62, so that the tightening portion 64 and the connecting portion 62 can limit the module housing from two sides respectively.

Further, the module shell is correspondingly provided with a module inclined plate 55 above the wiring hole 51, the inner sides of the clamping parts 61 are respectively provided with a sealing plate 65 in contact fit with the module inclined plate 55, the sealing plate 65 and the clamping parts 61 are obliquely arranged, the tightening parts 64 are hook structures, the module inclined plate 55 of the module shell is provided with a jack 54, and the tightening parts 64 can be inserted into the jack 54 for limiting fit. Of course, the tightening part 64 may not be inserted into the insertion hole 54, and the tightening part 64 of the hook structure may be directly clamped to the side of the module housing away from the connecting part 62 for limit fit, which falls within the protection scope of the present invention.

As shown in fig. 3 to 13, a first embodiment of the sealing member 6 is provided, and two sets of contact modules 3 are also provided in this embodiment, and this embodiment is equivalent to the first embodiment in which after one sealing member 6 is increased in width, the sealing holes 7 of two sealing members 6 are provided in one sealing member 6, and the width of the sealing member 6 is increased, so that the sealing member 6 of this embodiment can be obtained substantially. It will be appreciated that other shapes and patterns of the sealing member 6 may be used to provide a protective covering for the exposed portion of the button behind the mounting panel 10 without departing from the scope of the invention.

Further, the sealing member 6 further includes two side plates 66 respectively connected between the two clamping portions 61, and the two side plates 66, the two clamping portions 61 and the connecting portion 62 form a box-shaped structure, so that the contact module 3 can be completely wrapped, the sealing member 6 is reliably mounted on the contact module 3, and a more powerful protection effect can be provided.

Preferably, the clamping portions 61 and/or the side plates 66 are respectively provided with a tightening portion 64 on the inner side of the end away from the connecting portion 62, the tightening portions 64 can be in limit fit with the side of the module housing away from the connecting portion 62, the tightening portions 64 on the two side plates 66 are respectively connected between the tightening portions 64 of the two clamping portions 61 to form an annular structure, and the tightening portions 64 can be clamped on the side of the contact module 3 away from the connecting portion 62 to be in limit fit, so that the whole sealing element 6 is only wrapped on the contact module 3. Of course, the tightening part 64 may not be connected, and all that is within the protection scope of the present invention is included.

As shown in fig. 7-11, the outer side of the sealing member 6 is provided with an outer boss 67 surrounding the sealing hole 7, and the outer boss 67 can improve the strength of the sealing member 6, especially the strength of the joint with the sealing sheet 8, and prevent the sealing sheet 8 from fatigue and damage after bending. Of course, the present embodiment may also be provided with the inner boss 63 of the second embodiment, all of which belong to the protection scope of the present invention.

As shown in fig. 3 and 7-8, the mounting screw 56 connected to the mounting middle plate 1 is provided on the outer side of the contact module 3, the clamping portion 61 is provided with an extension portion 68 protruding outward, the extension portion 68 is provided with a mounting seal hole 7 corresponding to the mounting screw 56, the seal hole 7 is a mounting seal hole 74, the mounting seal hole 7 is provided with a bendable seal piece 8, and the extension portion 68 is provided with an outer boss 67 on the outer side of the mounting seal hole 7.

As shown in fig. 10 to 11, four sealing pieces 8 are provided in the operation sealing hole 72 of the present embodiment, and a gap having a cross-shaped structure is formed between the four sealing pieces 8. The sealing plate 8 is a rubber plate, and the free end of the sealing plate 8 can be bent when a lead is inserted. One embodiment is that the sealing sheet 8 is one and is matched with the shape of the sealing hole 7, the side edge of the sealing sheet 8 is connected with the side wall of the operation sealing hole 72, at least one strip-shaped gap is cut in the middle of the sealing sheet 8 to form a bendable free end, one or more strip-shaped gaps can be arranged in the middle of the sealing sheet 8, and a straight line shape, a cross shape, a Chinese character 'mi' shape and the like can be formed. In another embodiment, the sealing plate 8 is formed by a plurality of fan-shaped rubber sheets which are matched with the sealing holes 7 and are respectively connected with the side edges of the operation sealing hole 72, and the side edges of the free ends are arranged side by side to form one or more strip-shaped gaps.

As shown in fig. 12 to 13, the two sealing pieces 8 are disposed in the wiring sealing hole 71 of the present embodiment, and the inclined guide surfaces 81 are disposed on the outer sides of the two sealing pieces 8, respectively, so as to facilitate the wire to pass through, specifically, when a large-sized wire is inserted, the sealing pieces 8 are bent and deformed due to the squeezing of the wire, thereby facilitating the large-sized wire to pass through the wiring sealing hole 71.

As shown in fig. 3 to 6, a sealing ring 9 is disposed at a joint of the button head 2 and the mounting middle plate 1, the button head 2 can be inserted into an inner side of a mounting ring 11 of the mounting middle plate 1, the sealing ring 9 includes an integrated fastening ring 91 and a sealing ring 92, an inner diameter of the fastening ring 91 is smaller than an outer diameter of a bottom end of a housing of the button head 2, the fastening ring 91 is tightly sleeved on an outer side of the button head 2 for limiting by elastic contraction of rubber, a radius of the sealing ring 92 is larger than a radius of the fastening ring 91, a longitudinal section of the sealing ring 92 is extended outward in a trapezoid shape, the sealing ring 92 can be embedded in the mounting middle plate 1, and can also be located at a joint of the button head 2 and the mounting middle plate 1 and buckled on the mounting middle plate 1, and protection performance of the joint of the button head 2 and the mounting ring 11 is effectively improved.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when used, and are only for convenience of description, but do not indicate that the referred device or element must have a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating relative importance.

The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and it is not intended to limit the invention to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the inventive concept, and all should be considered as falling within the protection scope of the invention.

Claims

1. The utility model provides a button switch, includes installation medium plate (1) and installs button head (2) and contact module (3) on installation medium plate (1) respectively, contact module (3) are including module casing and binding post (4) of setting in module casing, and module casing corresponds binding post (4) and is equipped with dodges hole (5), its characterized in that: the module casing outside is equipped with sealing member (6), sealing member (6) are including two clamping part (61) of relative setting to and connecting portion (62) between two clamping part (61), two clamping part (61) respectively with module casing spacing cooperation, be equipped with on clamping part (61) and/or connecting portion (62) and dodge sealed hole (7) that hole (5) correspond, be equipped with gasket (8) in sealed hole (7), gasket (8) are used for sealing or lead to sealed hole (7).

2. The push button switch of claim 1, wherein: the sealing element (6) further comprises two side plates (66) connected between the two clamping parts (61) respectively, and the two side plates (66), the two clamping parts (61) and the connecting part (62) form a box-shaped structure.

3. The push button switch of claim 1, wherein: the clamping portion (61) is provided with a tightening portion (64) on the inner side of one end, far away from the connecting portion (62), of the clamping portion, and the tightening portion (64) can be in limit fit with the side face, far away from the connecting portion (62), of the module shell.

4. The push button switch of claim 1, wherein: the inner side of the sealing element (6) is provided with an inner boss (63) surrounding the sealing hole (7), and the inner boss (63) can be inserted into the corresponding avoidance hole (5) for limiting and matching; and/or an outer boss (67) surrounding the sealing hole (7) is arranged on the outer side of the sealing element (6).

5. The push button switch of claim 1, wherein: the module casing is equipped with module swash plate (55), be equipped with jack (54) on module swash plate (55) of module casing, be equipped with on clamping part (61) with the spacing complex tightening part (64) of jack (54).

6. The push button switch of claim 5, wherein: the inboard of clamping part (61) is equipped with and is the closing plate (65) that the oblique angle set up with clamping part (61), closing plate (65) with module swash plate (55) contact cooperation.

7. The push button switch of claim 1, wherein: be equipped with at least two sets of binding post (4) in the module casing, and module casing every group binding post (4) relatively is equipped with two holes of dodging (5) respectively, and two holes of dodging (5) are wiring hole (51) that correspond with binding post (4) wiring screw respectively to and be used for dodging operation hole (52) of wire, sealed hole (7) on clamping part (61) with wiring hole (51) correspond, sealed hole (7) on connecting portion (62) with operation hole (52) correspond.

8. The push button switch of claim 7, wherein: the module shell is provided with an opening (53) between operation holes (52) corresponding to the two groups of wiring terminals (4), and the connecting part (62) is provided with a sealing hole (7) corresponding to the opening (53).

9. The push button switch of claim 1, wherein: and the outer side of the contact module (3) is provided with a mounting screw (56) connected with the mounting middle plate (1), the clamping part (61) is provided with an extension part (68) protruding outwards, and the extension part (68) is provided with a sealing hole (7) corresponding to the mounting screw (56).

10. The push button switch according to any one of claims 1 to 9, wherein: the button head (2) is provided with a sealing ring (9) at the joint of the middle mounting plate (1), the sealing ring (9) comprises a fastening ring (91) and a sealing ring (92), the fastening ring (91) is tightly sleeved on the outer side of the button head (2), the radius of the sealing ring (92) is larger than that of the fastening ring (91), and the sealing ring (92) is embedded in the middle mounting plate (1).