CN205305261U - Anticreep is from power module box of easy dismouting - Google Patents
Anticreep is from power module box of easy dismouting Download PDFInfo
- Publication number
- CN205305261U CN205305261U CN201521040734.9U CN201521040734U CN205305261U CN 205305261 U CN205305261 U CN 205305261U CN 201521040734 U CN201521040734 U CN 201521040734U CN 205305261 U CN205305261 U CN 205305261U
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- CN
- China
- Prior art keywords
- installing hole
- base plate
- power module
- cover plate
- sidewall
- 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.)
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Abstract
The utility model provides an anticreep is from power module box of easy dismouting, closes formation confined power module box on the bottom plate including apron and bottom plate, apron lid, and it has the apron mounting hole to open on the apron lateral wall of apron, and it has corresponding gasket -mounted hole to open on the bottom plate lateral wall of bottom plate, and the inboard department in gasket -mounted hole is equipped with extension installation head, and it has the extension mounting hole to extend interior the opening of installation head, and the gasket -mounted hole is a holistic through -hole with extending the mounting hole. The utility model discloses an add on the bottom plate and extend the installation head and set up the extension mounting hole, pass the apron mounting hole with the screw to screw up in the gasket -mounted hole with in extending the mounting hole, can ensure has sufficient length and dynamics, and it is not hard up to make the screw can not produce because of long -time vibration, and what the ability was quick, simple and convenient, the nothing is damaged carries out the dismouting to the power module box.
Description
Technical field
This utility model relates to a kind of power module cartridge, is specifically related to the power module cartridge of a kind of structure being provided with and preventing cover plate from departing from base plate.
Background technology
The contact surface that the cover plate of current power module cartridge contacts with base plate is little, and when power module cartridge is in the environment often vibrated, in rail vehicle, the cover plate of power module cartridge is easily generated with base plate and separates, comes off. The power module cartridge having at present is the backstop setting projection inside cover plate, sets the groove matched with protruding backstop in the outside of base plate. Being covered by cover plate after on base plate, protruding backstop is against recess edge place, prevents cover plate from departing from from base plate. Although anti-detachment effective of this structure, but when power module to overhaul, power module cartridge to be opened time-consuming, effort, generally to pry open cover plate by instruments such as bottle openers. And this structure repeatedly opening and be easily caused the backstop of projection and the edge abrasion of groove in the process of closure flap, and cause its anti-detachment deleterious. There is also when additionally prying open cover plate with bottle opener and the sidewall of cover plate and base plate is prized bad, cause the risk that power module cartridge lost efficacy.
And if on the sidewall of cover plate and base plate, only open installing hole; and with screw-driving in installing hole, again can be little due to the sidewall thickness of cover plate and base plate, power module cartridge is in the environment often vibrated; screw is easily generated loosening in installing hole, and the anti-detachment effect of power module cartridge is undesirable.
Find that following patent and this utility model have similarity by domestic retrieval:
Application number is 201520233024.1, name is called the utility model of " photovoltaic junction box ", and this utility model discloses a kind of photovoltaic junction box, including the upper cover being buckled together and base, and in this base, it is provided with electric conductor and axial diode, it is provided with anti-misoperation device between described upper cover and base. This anti-misoperation device is be positioned at the locating piece covered on this and the locating slot being positioned on this base, and this locating piece and locating slot cooperate, and on the base of different types of photovoltaic junction box, the position of locating slot is different. The utility model has the advantages that: upper cover not easily detains mistake when assembling with base.
Application number is the locating piece of the utility model of 201520233024.1 and locating slot cooperates outside the effect not easily detaining mistake when playing upper cover and assembling with base, also can play certain anti-detachment effect.This utility model structurally has bigger different from this utility model, and this utility model is in the environment often vibrated, and its anti-detachment effect can be undesirable. Therefore, realize the easy to assemble of power module cartridge while how strengthening the anti-detachment effect of power module cartridge, also need further research.
Utility model content
The technical problems to be solved in the utility model is: while preventing the cover plate of power module cartridge from departing from from base plate, it is achieved power module cartridge easy to assemble.
Pin is with the problems referred to above, the technical scheme that the utility model proposes is: a kind of anti-detachment easy-to-dismount power module cartridge, including cover plate and base plate, cover plate covers the power module cartridge forming closing on base plate, having cover plate installing hole in the cover sidewall of cover plate, the sidewall of the bottom plate of base plate has corresponding base plate installing hole, the inner side place of base plate installing hole is provided with extension mounting head, extending and have extension installing hole in mounting head, base plate installing hole is an overall through hole with extension installing hole.
Further, cover plate installing hole is provided with two, and two cover plate installing holes are located in relative cover sidewall, and cover plate installing hole has run through cover sidewall, does not set screw thread in cover plate installing hole.
Further, base plate installing hole is provided with two, and two base plate installing holes are located on relative sidewall of the bottom plate, and base plate installing hole has run through sidewall of the bottom plate, is provided with screw thread in base plate installing hole.
Further, each base plate installing hole place is provided with one and extends mounting head, and two extend mounting head and are located at inside relative sidewall of the bottom plate, and extension mounting head is a close-connected entirety with sidewall of the bottom plate.
Further, it is cylindric for extending mounting head, and the length that extension mounting head extends inside base plate is 3mm-5mm.
Further, after cover plate covers, on the same line, screw is through cover plate installing hole, and is tightened in base plate installing hole and extends in installing hole for the central axis of cover plate installing hole, base plate installing hole and extension installing hole.
The utility model has the advantages that:
1. by setting up extension mounting head on base plate and offering extension installing hole, by screw traverse cover plate installing hole, and be tightened in base plate installing hole and extend in installing hole, can ensure that enough length and dynamics so that screw will not produce because vibrating for a long time to loosen.
2. will extend over when manufacturing base plate mounting head and sidewall as one be fabricated integrally in together with, extend mounting head and can be firmly fixed on sidewall of the bottom plate, firm in structure, be hardly damaged.
3. cover plate installing hole is not have threaded, and screw can quickly pass cover plate installing hole, and screw is the structure adopting hands to twist, and these structures all make power module cartridge to dismount fast, easily.
Accompanying drawing explanation
Fig. 1 is the schematic diagram before covering in embodiment one;
Fig. 2 is the schematic diagram after covering in embodiment one;
Fig. 3 is the schematic diagram before covering in comparative example;
In figure: 1 cover plate, 11 cover sidewall, 12 cover plate installing holes, 2 base plates, 21 sidewall of the bottom plate, 22 base plate installing holes, 23 extension mounting heads, 24 extension installing hole, 3 screws, 4 backstops, 5 grooves.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is done the description of a step:
Embodiment one
As shown in Figure 1, figure eliminates all parts in power module cartridge, the cover plate 1 often having the power module cartridge in the environment of vibration for preventing from being arranged on rail vehicle etc. not easily departs from from base plate 2, this utility model, except the structure of the sidewall depth deepening cover plate 1 and base plate 2 that have employed routine, additionally uses more efficiently Anti-isenagage structure.Concrete structure is as follows:
The cover sidewall 11 that cover plate 1 is relative opens one group of cover plate installing hole 12, usual cover plate installing hole 12 is the middle part being opened in cover sidewall 11, and optimal way is in the four sides cover sidewall 11 of cover plate 1: plate installing hole 12 of only uncapping in relative two sides cover sidewall 11. The position of cover plate installing hole 12 is corresponding with the position of base plate installing hole 22, it is desirable to being covered by cover plate 1 after closely, the central axis of cover plate installing hole 12 and base plate installing hole 22 is on the same line. The diameter of cover plate installing hole 12 can be slightly greater than or be equal to the through hole of the diameter of base plate installing hole 22. In order to allow screw 3 quickly through cover plate installing hole 12, in cover plate installing hole 12, do not set screw thread.
The sidewall of the bottom plate 21 that base plate 2 is relative is provided with extension mounting head 23, generally extending mounting head 23 is be located at the middle part of sidewall of the bottom plate 21, if but some parts in some power module cartridge have just taken the centre position of four sides sidewall of the bottom plate 21, then and extend mounting head 23 and can also be located at all the other of sidewall of the bottom plate 21 and have the position of clearance spaces. Extending the columnar component that mounting head 23 is the inner side being located at sidewall of the bottom plate 21, and be an entirety with sidewall of the bottom plate 21, the length extending mounting head 23 is preferably 3mm-5mm. Base plate installing hole 22 and extension installing hole 24 are also one-time formed when perforate, and therefore, base plate installing hole 22 and the size extending installing hole 24 are identical, and screw thread is also continuous print. Base plate installing hole 22 and extension installing hole 24 have run through sidewall of the bottom plate 21 and have extended mounting head 23, form an overall through hole.
As depicted in figs. 1 and 2, sidewall of the bottom plate 21 sets extension mounting head 23, and open threaded extension installing hole 24 in extending mounting head 23, it it is the fastening force in order to strengthen screw 3, screw 3 is allowed to pass cover plate installing hole 12, and when being tightened in base plate installing hole 22 and extend in installing hole 24, screw 3 will not produce to loosen because of the long-term vibration of power module cartridge. When base plate installing hole 22 and extension mounting head 23 are when the side of sidewall of the bottom plate 21, corresponding variation also can be done in the position of cover plate installing hole 12.
As in figure 2 it is shown, in order to power module cartridge is dismounted by faster, easy, the nut of screw 3 adopts the structure of convenient finger turn, and its structure can be in-line, polygon or circle, it is preferred to hexagon and circle. Finger slippage during for preventing from turning screw 3, can set the Z-Correct bump mapping Z-correct increasing frictional force on the edge of nut.
In sum, the present embodiment is utilized in sidewall of the bottom plate 21 and sets up extension mounting head 23, and extending, mounting head 23, sidewall of the bottom plate 21 and cover sidewall 11 open installing hole, then with screw 3, cover plate 1 and base plate 2 are fixed. The present embodiment can also the dismounting that carry out power module cartridge very simple, quick, unabroken while preventing power module cartridge from departing from because of vibration.
Comparative example one
Set protruding backstop 4 as it is shown on figure 3, the power module cartridge having at present is utilized in inside cover plate 1, set the groove 5 matched with protruding backstop 4 in the outside of base plate 2. Being covered after on a base plate 2 by cover plate 1, protruding backstop 4 is against groove 5 edge, prevents cover plate 1 from departing from from base plate 2. But the power module cartridge of this structure is stuck in groove 5 due to backstop 4, relatively time consuming when taking apart, requiring great effort and dismantling improper is also easily caused breakage, therefore also need to improve.
Comparative example two
It is different in that with embodiment one, comparative example two does not set on sidewall of the bottom plate 21 extension mounting head 23, and cover plate installing hole 12 usually sets threaded.But the power module cartridge of this structure; can be little due to the sidewall thickness of cover plate 1 and base plate 2; power module cartridge is in the environment often vibrated, and screw 3 is easily generated loosening in cover plate installing hole 12 and base plate installing hole 22, and the anti-detachment effect of power module cartridge is undesirable.
It will be apparent that under the premise without departing from principle described in the utility model, the some improvement made or modification are regarded as protection domain of the present utility model.
Claims (6)
1. an anti-detachment easy-to-dismount power module cartridge, including cover plate (1) and base plate (2), cover plate (1) covers at the upper power module cartridge forming closing of base plate (2), it is characterized in that, the cover sidewall (11) of cover plate (1) has cover plate installing hole (12), the sidewall of the bottom plate (21) of base plate (2) has corresponding base plate installing hole (22), the inner side place of base plate installing hole (22) is provided with extension mounting head (23), extend and in mounting head (23), have extension installing hole (24), base plate installing hole (22) is an overall through hole with extension installing hole (24).
2. the anti-detachment easy-to-dismount power module cartridge of one according to claim 1, it is characterized in that, cover plate installing hole (12) is provided with two, two cover plate installing holes (12) are located in relative cover sidewall (11), and cover plate installing hole (12) has run through cover sidewall (11), cover plate installing hole does not set screw thread in (12).
3. the anti-detachment easy-to-dismount power module cartridge of one according to claim 1, it is characterized in that, base plate installing hole (22) is provided with two, two base plate installing holes (22) are located on relative sidewall of the bottom plate (21), and base plate installing hole (22) has run through sidewall of the bottom plate (21), base plate installing hole is provided with screw thread in (22).
4. the anti-detachment easy-to-dismount power module cartridge of one according to claim 1, it is characterized in that, each base plate installing hole (22) place is provided with one and extends mounting head (23), two extend mounting head (23) and are located at relative sidewall of the bottom plate (21) inner side, and extension mounting head (23) is a close-connected entirety with sidewall of the bottom plate (21).
5. the anti-detachment easy-to-dismount power module cartridge of one according to claim 1 or 4, it is characterised in that extend mounting head (23) for cylindric, extending mounting head (23) to the length of base plate (2) inner side extension is 3mm-5mm.
6. the anti-detachment easy-to-dismount power module cartridge of one according to claim 1, it is characterized in that, after cover plate (1) covers, the central axis of cover plate installing hole (12), base plate installing hole (22) and extension installing hole (24) is on the same line, screw (3) is through cover plate installing hole (12), and is tightened in base plate installing hole (22) and extends in installing hole (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040734.9U CN205305261U (en) | 2015-12-15 | 2015-12-15 | Anticreep is from power module box of easy dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040734.9U CN205305261U (en) | 2015-12-15 | 2015-12-15 | Anticreep is from power module box of easy dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205305261U true CN205305261U (en) | 2016-06-08 |
Family
ID=56431904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521040734.9U Active CN205305261U (en) | 2015-12-15 | 2015-12-15 | Anticreep is from power module box of easy dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205305261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734883A (en) * | 2017-09-22 | 2018-02-23 | 深圳市沃特沃德股份有限公司 | Detachable housing unit and mobile device |
-
2015
- 2015-12-15 CN CN201521040734.9U patent/CN205305261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734883A (en) * | 2017-09-22 | 2018-02-23 | 深圳市沃特沃德股份有限公司 | Detachable housing unit and mobile device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |