CN101389194B - Elastic lock used in electrical appliance - Google Patents
Elastic lock used in electrical appliance Download PDFInfo
- Publication number
- CN101389194B CN101389194B CN 200710145419 CN200710145419A CN101389194B CN 101389194 B CN101389194 B CN 101389194B CN 200710145419 CN200710145419 CN 200710145419 CN 200710145419 A CN200710145419 A CN 200710145419A CN 101389194 B CN101389194 B CN 101389194B
- Authority
- CN
- China
- Prior art keywords
- elastic
- main body
- snap close
- functional module
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The invention provides an elastic lock for an electrical appliance, wherein the electrical appliance comprises a functional module and a main body device having a mounting portion. The elastic lock comprises an elastic filament, a supporting member having a working portion capable of being directly designed and machined onto the case of the functional module, or being machined into an independent part mounted on the functional module, comprising a filament accommodating portion for accommodating the elastic filament; a lock body comprising a clutch portion for clutching with the support member. The lock body further includes a first mounting portion which is engaged with the main body device when mounting the functional module onto the main body device. The lock body also includes a first U shaped groove for accommodating the elastic filament. When mounting the functional module onto the main body device, the elastic filament keeps the engagement between the first mounting portion of the lock body and the mounting portion of the main body device by the elastic force applied therefrom onto the U shaped groove. Comparing with technique in prior art, the elastic lock is compact in the entire construction, suitable for wide range of application. Furthermore, it is easier for parameter selection.
Description
Technical field
The present invention relates to a kind of elastic lock for electric equipment, functional module can be installed on the main equipment rapidly by this snap close, perhaps disassemble from main equipment.
Background technology
At electric equipment, particularly in the low-voltage electrical apparatus, often to use dismountable functional module to provide additional function to electrical equipment.Usually, for Fast Installation and disassembling function module, need to snap close come the practical function module be connected with main equipment connection with separate, wherein the common practice is that snap close is installed on the functional module, then by allowing the projection on the snap close insert in the groove of main equipment, perhaps snap close is installed on the main equipment, allows projection on the snap close be inserted in the groove on the functional module and realize engaging.
With reference to figure 1, be a kind of mode of using plastic lock catch to assemble in the prior art.Wherein the snap close 100 with functional module engagement has the projection 140 of installation, can be inserted in the mounting groove 410 on the installation portion 400 of main equipment.During assembling, along direction shown in Figure 1, promote snap close 100 downwards, because snap close has elasticity, it will be out of shape, and arrives mounting groove 410 until projection 140 is installed, and at this moment, under elastic reaction, projection 140 is installed inserts mounting groove 410, realizes fixing.
This mode, although its snap close is with low cost, it also has an obvious defective simultaneously: because the fatigue resistance of plastic material is relatively poor, after repeatedly installing, the elasticity variation of snap close, and distortion can appear.Therefore, after repeatedly installing, its assembly reliability can obviously descend.In addition, the strength of install, dismounting is required and the shape relation of snap close are close, need repeatedly test and design modification, because the snap close of such design is molded item usually, and these corrections require mould to revise thereupon, therefore also can increase larger cost.
Referring to figs. 2 and 3, be the installation diagram of another kind of snap close in the prior art, wherein Fig. 2 and Fig. 3 illustrate respectively the diagram of the different angles of exploded view.This snap close comprises snap close main body 230 and support component 220, and this support component is used for being installed in functional module.Similar with Fig. 1, snap close main body 230 has installs projection 234, and it can be inserted in the mounting groove 410 of installation portion 400 of main equipment.This snap close also comprises spring 210, and the one end is resisted against the baffle plate 221 of support component 220, and the other end is enclosed within on the reference column 231 on the snap close main body 230 and against snap close main body 230.Snap close main body 230 has buckle 232 in its both sides, and it may be stuck on the sidewall 223 of support component 220 both sides.When carrying out snap close self assembling, at first support component 220 is installed on the functional module, then promote snap close main body 230 along the direction opposite with Y-direction, make spring 210 compressive deformations.After buckle 232 is out of shape to the inside and passes through sidewall 223, unclamp snap close main body 230, buckle 232 is stuck on the sidewall 223 under the elastic force effect of spring 210.When carrying out the installation of functional module, promote snap close main body 230 along the direction opposite with Y-direction first and slide backward, install projection 234 and retreat synchronously this moment, spring 210 compressions; The standby function module is decontroled snap close main body 230 after main equipment is in place, utilize the bounce of spring 210 to promote snap close main body 230 and move and projection 234 will be installed along Y-direction and be inserted into mounting groove 410 interior realizations and fix.
This structure owing to use spring, its reliability is better, but for guarantee suitable elastic force after being beneficial to install and install firmly, the length of spring and coefficient of elasticity also will be through well selecting.In addition, because spring needs certain-length, therefore on Y-direction, need to take support component than large space, in a lot of occasions, will make troubles even it can't be implemented to the installation of support component.
Obviously, snap close of the prior art or have the problem of reliability, or have the large and problem that causes use occasion to be restricted of volume.In addition, on the parameter of selecting snap close, above-mentioned two kinds of prior aries are also stricter through a lot of test or its requirement, could obtain suitable design.
Summary of the invention
Relatively poor in order to overcome prior art Elastic snap close or reliability, or the larger defective of volume, and the defective that needs more test when selecting parameter, the invention provides a kind of elastic lock, it has good reliability, and size is less, and the selection of its parameter is comparatively easy simultaneously.
Elastic lock according to the present invention is for electric equipment, this electric equipment comprises functional module and has the main equipment of installation portion, has mounting groove on the described installation portion, this elastic lock is used for functional module being installed to main equipment and disassembling from main equipment, and described elastic lock comprises: elastic yarn; Support component, it is installed on the functional module, and it has an accommodation section to hold described elastic yarn; The snap close main body, it comprises engaging piece, is used for and the engagement of described support component; Described snap close main body also comprises the first installation portion, and when functional module was installed on the main equipment, this first installation portion engaged with the installation portion of main equipment; Wherein, described snap close main body also comprises the first U-lag to hold this elastic yarn, and when functional module was installed on the main equipment, elastic yarn was by its elastic force that U-lag is applied, and the installation projection of maintenance snap close main body is in the mounting groove of main equipment.
Compared with prior art, elastic lock of the present invention provides elastic force with elastic yarn, makes total comparatively compact, and especially the size on the Y-direction of corresponding diagram 2 and 3 is less, so that it can be applicable to widely in the occasion.And, by using elastic yarn, in the selection of parameter, also carry out comparatively easily and easily.
Description of drawings
By the description of reference accompanying drawing in exemplary specific embodiment, it is clearer that the present invention will become.In the accompanying drawings:
Fig. 1 illustrates in the prior art and to use the installation diagram of a kind of plastic lock catch dismounting to the main equipment of an electric equipment;
Fig. 2 and 3 is respectively from different perspectives the installation diagram to the main equipment of electric equipment of another kind of snap close dismounting in the prior art that shows;
Fig. 4 and Fig. 5 illustrate respectively elastic lock of the present invention functional module are installed to main equipment before and state afterwards;
Fig. 6 and Fig. 7 are respectively the elastic lock of the present invention that demonstrates from different perspectives and are installed in diagram on the functional module;
Fig. 8 and Fig. 9 are respectively the exploded view of the elastic lock of the present invention that demonstrates from different perspectives;
Figure 10 to 15 illustrates assembling process and the strain mode thereof of elastic lock of the present invention self;
Figure 16 and 17 illustrate elastic lock of the present invention finish self the assembling after, the diagram when the snap close main body is in diverse location.
Embodiment
With reference to figure 4 and Fig. 5, it illustrates respectively elastic lock of the present invention functional module is installed to main equipment before and state afterwards.
As shown in Figure 4, has installation portion 400 on the main equipment 40, this installation portion 400 has one can be from the mounting groove (not shown) of downside insertion, and elastic lock 30 is installed in the top of functional part 50, has box-shaped dimple 45 on the main equipment 40 and is used for accommodation function parts 50.In Fig. 5, can see functional part 50, together with elastic lock mounted thereto 30, be installed on the main equipment 40.Wherein, as example, the main equipment of present embodiment is Programmable Logic Controller (PLC), and functional module is human-computer interaction interface module (HMI).This HMI module is used for showing and parameters when this PLC equipment of debugging.
With reference to figure 6 and Fig. 7, the diagram when it illustrates respectively elastic lock of the present invention and is installed on the functional module under different angles.As shown in Figure 6 and Figure 7, elastic lock 30 comprises elastic yarn 310, support component 320 and the snap close main body 330 of being made by SUS304.Snap close main body 330 comprises the first installation portion 334, it is that the installation projection that projects upwards is with in the mounting groove that is inserted into main equipment 400, at the opposite side opposite with the first installation portion 334 1 sides, snap close main body 330 also comprises U-lag 331, as can be seen from Figure 7, elastic yarn 310 is contained in this U-lag 331, also is contained in the groove 321 of support component 320 simultaneously.
With reference to figure 8 and Fig. 9, be the exploded view of the elastic lock of the present invention that demonstrates from different perspectives.Wherein the installation projection 334 of snap close main body 330 is in the mounting groove 410 be used to the installation portion 440 that is inserted into main equipment.Snap close main body 330 also comprises two side U-lags 337 that are arranged on its both sides except U-lag 331, above-mentioned three, and the groove 321 of support component 320 all is used to hold elastic yarn 310.In addition, support component 320 has square box 323, and snap close main body 330 has to the inside two snap fits 332 of strain, and it is used for being stuck in two sidewalls of square box 323.
With reference to 10 to 15, it illustrates assembling process and the strain mode thereof of elastic lock of the present invention self.
As shown in FIG. 10 and 11, at first, elastic yarn 310 is put into the groove 321 of support component 320 both sides along the direction of arrow of Figure 10; Then, shown in Figure 12 and 13, the direction of arrow of snap close main body 330 along Figure 12 is inserted in the square box 323 of support component 320, two buckle 332 can to the inside flexural deformations and pass on two sidewalls that then square box 323 be stuck in square box 323, and elastic yarn 310 snap in the middle of being positioned at U-lag 331 (or can be described as the first U-lag) with and the U-lag 337 of both sides.Like this, as shown in figure 14, along direction of arrow pushing snap close main body 330, then elastic yarn 310 distortion; After decontroling snap close main body 330, under the effect of the elastic force of the horizontal direction of elastic yarn 310, snap close main body 330 arrives its service positions.
And the service position of snap close main body 330 namely, makes installation projection 334 on it be inserted into the position of the mounting groove of main equipment installation portion.In the lump referring to figs. 16 and 17, when pressing snap close main body 330 along the direction of arrow, it is installed projection 334 and also can not highlight thereupon moving downward, and after decontroling snap close main body 330, projection 334 is installed can be inserted into thereupon moving upward in the mounting groove (Figure 17 is not shown) of main equipment.
The process of elastic lock dismounting functional part of the present invention to the main equipment of using is described below.
Return with reference to figure 4, wherein 30 is the elastic lock 30 that assembles, and it is installed projection 334 and projects upwards.Elastic lock 30 is installed on the functional part 50 with this attitude, that is, engages with functional part 50 corresponding breach.Then, press snap close main body 330 downwards, be absorbed in downwards so that projection 334 is installed.Then, functional part 50 is pushed in the square dimple 45 together with elastic lock 30.Installing after projection 334 arrives the mounting groove positions because the elastic force of elastic yarn, snap close main body 330 move up and install projection 334 be inserted into thereupon realize in the mounting groove fixing.
In the above-described embodiments, owing to use elastic yarn that the power of strain is provided, its reliability is higher, and it is being installed on the direction that projection moves, i.e. Y-direction among Fig. 2, the Y-direction among Fig. 8, and shared size is less.Therefore, the volume of whole snap close can be less.And for the selection of elastic yarn, the selection that also is compared to Fig. 2 medi-spring is wanted easily.Specifically, in the present embodiment, when length is 36.8mm, when material was SUS304, the sectional area of elastic yarn applicatory was 0.6mm
2, its cross sectional shape can be circle or rectangle etc., that is, elastic yarn of the present invention also comprises the situation of its band shape etc.The material of elastic yarn also comprises the SUS301 and the SUS302 that approach with its material property except SUS304, and other elastomeric materials.
Fixing for elastic yarn, in a upper embodiment, elastic yarn 310 is by the groove 321 of support component and groove 331 actings in conjunction on the snap close main body and fixing.Obviously, also can use the mode of through hole, be fixed, namely, have the through hole that elastic yarn can pass at support component, and the location hole of opposite side for not connecting, the part that contacts with elastic yarn on the snap close main body can be groove or through hole, only need to realize contact in Y-direction shown in Figure 8, so that the elastic force of elastic yarn can become the power of snap close distortion of the present invention.
As change, can also realize fixing elastic yarn by the groove of support component and the acting in conjunction of the groove on the snap close main body with another kind of structure.
With reference to figure 9, the opening direction of groove 321 can be changed into-Y-direction by-Z direction, U-lag 331,337 opening direction to be changed into the Z direction, simultaneously, in order installing, to be removed square box 323 at the wall of Z direction by-Y-direction.
During installation, first elastic yarn is the groove of-Y-direction along pack into the opening of support component of Y-direction, again the snap close main body is moved and makes its mouthful block elastic yarn for the groove of Z direction along the Z direction.At this moment, buckle 332 need to not be out of shape at directions X.
In addition, in the above-described embodiments, snap close main body and the installation projection on it are integrated, and in the operation shown in Figure 14-17, both move together.This is not that imperative maybe can not change but obviously.For example, can allow the installation projection in the snap close main body, move along Y-direction shown in Figure 8, and the elasticity of elastic yarn can to being installed, projection directly provide power on Y-direction, thus, when operation, the snap close main body can not have mobile, and only by the mobile realization dismounting of projection is installed.
In addition, the support component in above-described embodiment is to be processed into independent part to be installed on the functional module, but obviously, the working portion of this support component also can directly design processing on the housing of functional module, that is, become one with the housing of functional module.Because this kind modification obviously also conforms with principle of the present invention, therefore, comprises support component when elastic lock is restricted to, when it was installed on the functional module, it was not got rid of support component and directly designs the situation of processing on functional module.
Therefore, concept of the present invention is, for first installation portion that need to engage with the installation portion of main equipment in Y-direction shown in Figure 8 (can be described as first direction) movement, it in a lateral direction is out of shape the elastic force that produces by an elastic yarn at it at the mobile power of described first direction (also can be described as the work shift direction of the first installation portion) provides.
Claims (5)
1. elastic lock that is used for electric equipment, described electric equipment comprises functional module and has the main equipment of installation portion, this elastic lock is used for the functional module dismounting to main equipment, described functional module was separated with described main equipment before being installed on the described main equipment, and described elastic lock comprises:
Elastic yarn;
Support component, it is installed on the functional module, and it has an accommodation section to hold described elastic yarn;
The snap close main body, it comprises engaging piece, is used for and the engagement of described support component; And first installation portion, when functional module was installed on the main equipment, the installation portion of this first installation portion and main equipment engaged;
Wherein, described snap close main body comprises that also the first U-lag is to hold this elastic yarn, when functional module was installed on the main equipment, elastic yarn was by its elastic force that the first U-lag is applied, and the first installation portion of maintenance snap close main body engages with the installation portion of main equipment;
Described snap close main body also comprises two side U-lags that are separately positioned on snap close main body both sides, and it is positioned at same plane with the first U-lag and opening direction is identical; And
Described engaging piece is the elastic clamping hook that is arranged on snap close main body both sides, and described support component has a square box, and described elastic clamping hook is used for being stuck on the sidewall of square box so that snap close main body and the engagement of described support component.
2. elastic lock as claimed in claim 1, wherein said silk accommodation section be for minute standing in the groove of described support component both sides, described groove and described the first U-lag acting in conjunction so that elastic yarn fix.
3. elastic lock as claimed in claim 1, the material of wherein said elastic yarn is steel, the material of described snap close main body is plastics.
4. elastic lock as claimed in claim 1, the material of wherein said elastic yarn is the SUS304 of Nippon Standard.
5. elastic lock as claimed in claim 1, wherein said silk accommodation section is groove, the opening direction of the opening direction of described groove and described the first U-lag is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710145419 CN101389194B (en) | 2007-09-11 | 2007-09-11 | Elastic lock used in electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710145419 CN101389194B (en) | 2007-09-11 | 2007-09-11 | Elastic lock used in electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101389194A CN101389194A (en) | 2009-03-18 |
| CN101389194B true CN101389194B (en) | 2013-02-27 |
Family
ID=40478285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710145419 Active CN101389194B (en) | 2007-09-11 | 2007-09-11 | Elastic lock used in electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101389194B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843311B (en) * | 2021-01-09 | 2021-12-21 | 杭州赤松光电科技有限公司 | Fragrance atomizing diffusion device convenient to change fragrance liquid container |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2384250Y (en) * | 1998-11-05 | 2000-06-21 | 仁宝电脑工业股份有限公司 | Pressing type opening and closing device for screen of notebook computer |
| CN2606516Y (en) * | 2003-02-26 | 2004-03-10 | 纬创资通股份有限公司 | Hard disc positioning assembled devices |
-
2007
- 2007-09-11 CN CN 200710145419 patent/CN101389194B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2384250Y (en) * | 1998-11-05 | 2000-06-21 | 仁宝电脑工业股份有限公司 | Pressing type opening and closing device for screen of notebook computer |
| CN2606516Y (en) * | 2003-02-26 | 2004-03-10 | 纬创资通股份有限公司 | Hard disc positioning assembled devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101389194A (en) | 2009-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8213186B2 (en) | Retaining assembly and apparatus using the same | |
| US8835783B2 (en) | Switch and method for producing the same | |
| US7241159B1 (en) | Fixing/grounding unit for electronic card | |
| KR101503999B1 (en) | Semiconductor test handler having a exchangeable blade | |
| US20140318942A1 (en) | Key switch and keyboard | |
| KR101504070B1 (en) | Semiconductor test handler having a exchangeable blade | |
| US9613761B2 (en) | Contact element | |
| CN101389194B (en) | Elastic lock used in electrical appliance | |
| US7144762B2 (en) | Semiconductor device with pins and method of assembling the semiconductor device | |
| CN113757582B (en) | Clamping structure and desk lamp using same | |
| US7575460B2 (en) | IC socket | |
| US8247719B2 (en) | Button device | |
| TWI840639B (en) | Jig for loading chip module and chip connector | |
| CN201204139Y (en) | Push button with lamp | |
| CN111360730B (en) | Platform carrier assembly | |
| KR20130105069A (en) | Housing with printed circuit board assemble structure | |
| CN212083600U (en) | Quick release mechanism and crimping device | |
| CN219759398U (en) | High temperature resistant signal switch | |
| CN219812372U (en) | Switch control module structure | |
| CN219801149U (en) | Battery mounting assembly and electronic equipment | |
| CN205264913U (en) | Wall socket | |
| US20130010416A1 (en) | Electronic device having function of fixing a keyboard mechanism | |
| CN104338682A (en) | A push component assembly for a matching plate of a testing and sorting machine | |
| CN220435181U (en) | Fastening device and fastening structure | |
| CN109859975B (en) | Assembling method of key unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |