CN208738073U - A kind of switch and fixed device - Google Patents
A kind of switch and fixed device Download PDFInfo
- Publication number
- CN208738073U CN208738073U CN201821351215.8U CN201821351215U CN208738073U CN 208738073 U CN208738073 U CN 208738073U CN 201821351215 U CN201821351215 U CN 201821351215U CN 208738073 U CN208738073 U CN 208738073U
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- CN
- China
- Prior art keywords
- fastener
- mounting hole
- fixed frame
- support plate
- fixed device
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Abstract
The utility model is suitable for switching technique field, provides a kind of switch and fixed device, the fixed device includes: the fixed frame for offering mounting hole；Wear fastener in the mounting hole；And it is arranged between the fastener and the fixed frame, to disperse the fixed frame by the partial pressure mechanism of the fastener pressure.By the way that partial pressure mechanism is arranged between fastener and mounting hole, during fastener is installed into mounting hole, fastener can disperse and weaken under the action of dividing mechanism to the excess pressure of fixed frame, to prevent fixed frame from occuring bending and deformation in the case where fastener pressure is excessive.
Description
Technical field
The utility model belongs to switching technique field more particularly to a kind of switch and fixed device.
Background technique
Switch is the device to connecting and disconnecting electric current that is mounted on the wall, mainly by button assembly, hardware component,
Fixed frame, panel composition.Button assembly is the starter of user's electric current of make-and-break, and the on-off of electric current is realized by dialing button,
Hardware component is the current-carrying part being placed in fixed frame, and on the one hand fixed frame is the supporting body of handware, on the other hand fixed
Design has mounting hole above frame, is fixed on metope will switch, and when user installation switchs, back box is embedded in wall first
It is interior, then switch button or panel are removed, the mounting hole above fixed frame is leaked out, switch is then placed on wall back box
Interior, and by the mounting hole of mounting hole alignment back box, mounting screw is screwed by mounting hole, will be by after switch is fixed in back box
Button or panel install, and product installs.
Existing fixed frame is substantially PC plastic material, itself has certain bending strength, but user opens in installation
Guan Shi, the excessive torsion of screw can make fixed frame occur bending and deformation, and lead to switch after installation is complete, occur because of fixed frame
The installation of switch panel caused by deforming is not in place, the bad phenomenons such as button protrusion, or even switch failure phenomenon occurs, and existing can change
Into place.
Utility model content
The utility model embodiment provides a kind of fixed device, it is intended to solve fixed frame and press in fastener excessive situation
Under the problem of occuring bending and deformation.
The utility model embodiment is achieved in that a kind of fixed device, comprising:
Offer the fixed frame of mounting hole；
Wear fastener in the mounting hole；And
It is arranged between the fastener and the fixed frame, to disperse the fastener to the active force of the fixed frame
Partial pressure mechanism.
Further, partial pressure mechanism includes:
The stressed member being clamped between the fastener and the mounting hole；And
The abutting part with predetermined angle is formed with the stressed member；
The fixed frame offers the caulking groove being embedded for the abutting part close to the position of the mounting hole；
During installing the fastener, the stressed member drives the abutting part to push against the caulking groove inner wall.
Further, the stressed member is the support plate being laid between the fastener and the mounting hole, in institute
It states the side of mounting hole open end and is located at below the support plate and be provided with a boss, when the fastener is to the support
When plate applies downward power, the support plate is overturn by axis of the top of the boss.
Further, the top of the boss offers chamfering.
Further, the stressed member is the support plate being clamped between the fastener and the mounting hole, described
Support plate and the angle pushed against between plate are greater than 90 degree, when the fastener applies downward power to the support plate,
The support plate is overturn using one end that the mounting hole open end is contacted with the support plate as axis.
Further, the stressed member and the connecting pin pushed against between part offer rounded corner.
Further, the described one end of part far from the stressed member that pushes against is closed angle end.
Further, the cross section of the closed angle end is in isosceles triangle.
Further, the inner wall of the mounting hole offers annular groove along side, and installation is embedded in the annular groove
Gasket, location hole is offered on the installation gasket, and the location hole is worn for the fastener.
The utility model embodiment also provides a kind of switch, including fixation device as described above, is preset in wall
Back box, the fixed frame and the back box by the fixed device fixing assembling, and be assemblied on the fixed frame by
Button.
The utility model embodiment is installed into peace in fastener by the way that partial pressure mechanism is arranged between fastener and mounting hole
During filling in hole, fastener can disperse and weaken under the action of dividing mechanism to the excess pressure of fixed frame, to prevent
Fixed frame occurs bending and deformation in the case where fastener pressure is excessive.
Detailed description of the invention
Fig. 1 is the sectional view of the fixation device provided in the utility model embodiment two；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the sectional view of the fixation device provided in the utility model embodiment five；
Fig. 4 is the enlarged drawing in Fig. 3 at B.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model is provided with partial pressure mechanism between fastener and mounting hole, is installed into mounting hole in fastener
In the process, fastener can disperse the direction of fixed frame pressure under the action of dividing mechanism, to weaken fixed frame by tight
The pressure of firmware compares existing fixed frame, and when user is when installing switch, fixed frame will not press excessive feelings in fastener
It occurs bending and deformation under condition.
Embodiment one
As depicted in figs. 1 and 2, a kind of fixed device, comprising: offer the fixed frame 2 of mounting hole 1；It is threaded through mounting hole 1
Interior fastener 3；And it is arranged between fastener 3 and fixed frame 2, to disperse fixed frame 2 by the partial pressure of 3 pressure of fastener
Mechanism 5.
In the present embodiment, fixed device includes fixed frame 2, fastener 3 and partial pressure mechanism 5.It is opened up on fixed frame 2
There is a mounting hole 1 worn for fastener, fastener 3 uses screw, wears mounting hole 1 by screw and through being preset in wall
Back box 4, realize the Screw assembly between fixed frame 2 and back box 4.While in order to disperse and weaken screw to fixed frame 2
The excess pressure of application, therefore reach this effect by the way that partial pressure mechanism 5 is arranged between screw and mounting hole 1.Work as user
When inserting screws into mounting hole 1, screw is in contact with partial pressure mechanism 5 first, and under the action of dividing mechanism 5, will be tight
Firmware 3 generates the downward power that is screwed into fixed frame 2 to be dispersed toward other directions, to achieve the purpose that decrease, prevents fixed frame 2 in spiral shell
It deforms in the case where nail excessively pressure.
Embodiment two
As shown in Fig. 2, partial pressure mechanism 5 includes: the stressed member 51 being clamped between fastener 3 and mounting hole 1；And with
Stressed member 51 forms the abutting part 52 with predetermined angle；Fixed frame 2 offers embedding for pushing against part 52 close to the position of mounting hole 1
If caulking groove 6；During installing fastener 3, stressed member 51, which drives, pushes against abutting 6 inner wall of caulking groove of part 52.
In the present embodiment, mechanism 5 is driven to include stressed member 51 and push against part 52, stressed member 51 and abutting part 52 are integrally
It is formed, and forms preset angle.Stressed member 51 is clamped between screw and mounting hole 1, pushes against part 52 and is embedded in caulking groove 6,
When tightening screw, the power that is screwed into of screw generation drives stressed member 51 to rotate, and then drives and push against the rotation of part 52 and finally push against
The inner wall of caulking groove 6, so that the inner wall for being screwed into power and being biased to caulking groove 6 that screw is downward, is acted on admittedly with reaching dispersion and weakening screw
Determine the purpose of excess pressure on frame 2.
Embodiment three
As shown in Fig. 2, stressed member 51 is the support plate being laid between fastener 3 and mounting hole 1, it is open in mounting hole 1
The side at end is simultaneously provided with a boss 7 below support plate, when fastener 3 applies downward power to support plate, support plate
It is counterclockwise overturn using the top of boss 7 as axis.
In the present embodiment, stressed member 51 is support plate, and pushing against part 52 is to push against plate.Support plate is laid in screw and installation
Between hole 1, pushes against plate and be embedded in caulking groove 6.For screw during being screwed into mounting hole 1, support plate being capable of twisting in screw
Enter under power effect, counterclockwise overturn using the top of boss 7 as axis, and overturns abutting plate counterclockwise, and
It is finally pushed against the inner wall of caulking groove 6, the inner wall that the direction of screw downward force is biased to caulking groove 6 is realized, plays dispersion and weaken spiral shell
Nail acts on the effect of excess pressure on fixed frame 2, so as to prevent fixed frame 2 in the case where fastener 3 presses excessively
It occurs bending and deformation.
Example IV
As shown in Fig. 2, the top of boss 7 offers chamfering 8.
In the present embodiment, using the design of chamfering 8, the contact area between partial pressure mechanism 5 and boss 7 can be reduced,
To increase the mutual stress degree between partial pressure mechanism 5 and boss 7, and then improves partial pressure mechanism 5 and overturn around 7 top of boss
When stability.
Embodiment five
As shown in Figure 3 and Figure 4, with embodiment two the difference is that, stressed member 51 be clamped in fastener 3 and mounting hole
Support plate between 1, support plate and the angle pushed against between plate are greater than 90 degree, when fastener 3 applies downward power to support plate
When, support plate is overturn using one end that 1 open end of mounting hole is contacted with support plate as axis.
In the present embodiment, the angle formed between support plate and abutting plate is greater than 90 degree, so as to be embedded when pushing against plate
When in caulking groove 6, support plate is upturned far from the one end for pushing against plate.Screw is during being screwed into mounting hole 1, with screw
Constantly be screwed into mounting hole 1, in tilt state support plate gradually by screw nut flatten, and be finally clamped in screw with
Between mounting hole 1, and make to push against plate towards direction overturning counterclockwise, is gradually pushed against on the inner wall of caulking groove 6, to realize screw
It is biased to the direction that fixed frame 2 generates downward force the inner wall of caulking groove 6, prevents fixed frame 2 in the case where fastener 3 presses excessively
It occurs bending and deformation.
Embodiment six
As shown in Fig. 2, stressed member 51 and the connecting pin pushed against between part 52 offer rounded corner 9.
In the present embodiment, stressed member 51 can be prevented using rounded corner 9 and push against the stress of connecting pin between part 52
Concentrations cause to divide mechanism 5 during rotation, and the feelings being broken occur in stressed member 51 and the connecting pin pushed against between part 52
Condition occurs.
Embodiment seven
As shown in Fig. 2, pushing against the one end of part 52 far from stressed member 51 is closed angle end.
In the present embodiment, part 52 will be pushed against and is designed as closed angle end far from one end of stressed member 51, abutting part can be reduced
Forced area between 6 inner wall of 52 ends and caulking groove pushes against part 52 to the abutting degree of 6 inner wall of caulking groove, so as to support to increase
Tight part 52 is more stably pushed against the inner wall of caulking groove 6.The end for pushing against part 52 can be with right and wrong closed angle end.
Embodiment eight
As shown in Fig. 2, the cross section of closed angle end is in isosceles triangle.
In the present embodiment, there are many design methods for the cross section of closed angle end, and mode one: the cross section of closed angle end is isosceles
On the one hand triangle can reduce the forced area pushed against between part 52 and caulking groove 6, increase the abutting for pushing against part 52 to caulking groove 6
Degree, another aspect isosceles triangle have the advantages that it is symmetrically stable, thus further increase push against 52 end of part push against it is embedding
Overall stability when 6 inner wall of slot；Mode two: the cross section of closed angle end is circle；Mode three: the cross section of closed angle end is square
Shape.Specific embodiment described in the cross section design method of closed angle end is only used to explain the utility model herein, and does not have to
In restriction the utility model.
Embodiment nine
As shown in Fig. 2, the inner wall of mounting hole 1 offers annular groove 10 along side, installation gasket is embedded in annular groove 10
11, it installs and offers location hole on gasket 11, location hole is worn for fastener 3.
In the present embodiment, when inserting screws into mounting hole 1, annular groove 10 is opened up in mounting hole 1 first, and
It is embedded installation gasket 11 in annular groove 10, then inserts screws into mounting hole 1 and through the location hole of installation gasket 11.Pass through
The location hole installed on gasket 11 carries out radial limit to screw, can prevent screw from occurring the feelings shaken during installation
Condition occurs, and then user is facilitated to insert screws into mounting hole 1.
Embodiment ten
As shown in Figure 1, a kind of switch comprising any one of above-mentioned fixation device is preset in the intracorporal back box 4 of wall,
Fixed frame 2 and back box 4 pass through fixed device fixing assembling, and the button 12 with the assembly of 2 phase of fixed frame.
In the present embodiment, switch includes fixed device and button 12, and it is solid that fixed frame 2 and back box 4 pass through fixed device
Fixed assembly, button 12 are assembled with 2 phase of fixed frame.Fixed device includes fixed frame 2, fastener 3 and partial pressure mechanism 5.In fixation
The mounting hole 1 worn for fastener is offered on frame 2, fastener 3 uses screw, wears mounting hole 1 by screw and through pre-
It is located at the intracorporal back box 4 of wall, realizes the Screw assembly between fixed frame 2 and back box 4.While in order to disperse and weaken fastening
Part 3 reaches this effect to 2 excess pressure of fixed frame, therefore by the way that partial pressure mechanism 5 is arranged between screw and mounting hole 1.
When user inserts screws into mounting hole 1, screw is in contact with partial pressure mechanism 5 first, and in the effect of partial pressure mechanism 5
Under, fastener 3 disperses the excess pressure that fixed frame 2 generates downwards toward other directions, to achieve the purpose that decrease, prevents solid
Determine the case where frame 2 is squeezed and deformed by screw, the doorbell switch is finally made to have the advantages that non-deformability is good, improves door
The service life of bell switch.
Embodiment 11
As shown in Fig. 2, closed angle end is equipped with rubber slab close to the side of 6 inner wall of caulking groove.
In the present embodiment, rubber slab is additionally provided in the closed angle end side for pushing against plate.Rubber slab has certain elasticity,
So that rubber slab, can since elastic deformation occurs for the extruding by 6 inner wall of caulking groove when closed angle end is pushed against the inner wall of caulking groove 6
Power is partially threaded into assistance abutting 52 offset screw of part.
By the way that partial pressure mechanism is arranged between screw and mounting hole, so that when user is tightening screw to realize the peace of switch
When dress, screw contacts partial pressure mechanism first, and with the increase for being screwed into power, divides mechanism and turn counterclockwise, so that supporting
Tight plate gradually pushes against the inner wall of caulking groove, to realize that the inner wall of caulking groove is biased in the direction that screw is downwardly applied to power, and by caulking groove
Inner wall is offset, and reaching prevents fixed frame to be squeezed and deformed purpose by screw.The setting installation gasket in mounting hole simultaneously, passes through installation
Gasket carries out radial limit to screw, prevents screw from shaking during installation, so that user be facilitated to insert screws into
In mounting hole.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of fixed device characterized by comprising
Offer the fixed frame of mounting hole；
Wear fastener in the mounting hole；And
It is arranged between the fastener and the fixed frame, to disperse the fixed frame by the partial pressure machine of the fastener pressure
Structure.
2. fixed device as described in claim 1, which is characterized in that the partial pressure mechanism includes:
The stressed member being clamped between the fastener and the mounting hole；And
The abutting part with predetermined angle is formed with the stressed member；
The fixed frame offers the caulking groove being embedded for the abutting part close to the position of the mounting hole；
During installing the fastener, the stressed member drives the abutting part to push against the caulking groove inner wall.
3. fixed device as claimed in claim 2, which is characterized in that the stressed member be laid in the fastener with it is described
Support plate between mounting hole, the mounting hole open end side and be located at the support plate below be provided with a boss,
When the fastener applies downward power to the support plate, the support plate is overturn by axis of the top of the boss.
4. fixed device as claimed in claim 3, which is characterized in that the top of the boss offers chamfering.
5. fixed device as claimed in claim 2, which is characterized in that the stressed member be clamped in the fastener with it is described
Support plate between mounting hole, the support plate and the angle pushed against between plate are greater than 90 degree, when the fastener is to institute
When stating support plate and applying downward power, axis is in one end that the support plate is contacted using the mounting hole open end with the support plate
Line overturning.
6. fixed device as claimed in claim 2, which is characterized in that the stressed member and the connecting pin pushed against between part
Offer rounded corner.
7. fixed device as claimed in claim 2, which is characterized in that the described one end of part far from the stressed member that pushes against is point
Angle end.
8. fixed device as claimed in claim 7, which is characterized in that the cross section of the closed angle end is in isosceles triangle.
9. fixed device as described in claim 1, which is characterized in that the inner wall of the mounting hole offers annular along side
Slot is embedded with installation gasket in the annular groove, and location hole is offered on the installation gasket, and the location hole supplies the fastening
Part is worn.
10. a kind of switch, which is characterized in that including fixing device as claimed in any one of claims 1-9 wherein, be preset in wall
Interior back box, the fixed frame and the back box are by the fixed device fixing assembling, and are assemblied on the fixed frame
Button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351215.8U CN208738073U (en) | 2018-08-21 | 2018-08-21 | A kind of switch and fixed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351215.8U CN208738073U (en) | 2018-08-21 | 2018-08-21 | A kind of switch and fixed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738073U true CN208738073U (en) | 2019-04-12 |
Family
ID=66031739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821351215.8U Active CN208738073U (en) | 2018-08-21 | 2018-08-21 | A kind of switch and fixed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807036A (en) * | 2018-08-21 | 2018-11-13 | 宁波公牛电器有限公司 | A kind of switch and fixing device |
-
2018
- 2018-08-21 CN CN201821351215.8U patent/CN208738073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807036A (en) * | 2018-08-21 | 2018-11-13 | 宁波公牛电器有限公司 | A kind of switch and fixing device |
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