CN202328812U - Control box - Google Patents
Control box Download PDFInfo
- Publication number
- CN202328812U CN202328812U CN2011204558818U CN201120455881U CN202328812U CN 202328812 U CN202328812 U CN 202328812U CN 2011204558818 U CN2011204558818 U CN 2011204558818U CN 201120455881 U CN201120455881 U CN 201120455881U CN 202328812 U CN202328812 U CN 202328812U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- control box
- box body
- screw bolt
- panel
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a control box. The control box comprises a box body defined by a panel (1) and a rear cover (4), wherein box body studs (11) matched with the rear cover (4) are arranged on the panel (1); through holes (41) are formed on the rear cover (4); bolts pass through the through holes (41) and are in threaded connection with the box body studs (11); and a circuit board (2) is fixed in the box body. The control box has the main technical characteristics that positioning sleeve holes (21) are formed on the circuit board (2); the circuit board (2) is sleeved on the box body studs (11) through the positioning sleeve holes (21); an ejector rod (42) is arranged on the rear cover (4); and the top end of the ejector rod (42) is clung to the back surface of the circuit board (2). According to the control box, the panel, the rear cover and the circuit board are mounted and fixed together by adopting the concentric studs, so that the circuit board can be steadily arranged in the control box, the number of the studs is effectively reduced, the inner space of the control box is saved, the assembling time is reduced, the working efficiency is increased, assembly can be conveniently performed, and then the production cost is reduced.
Description
Technical field
The utility model relates to a kind of control box, especially a kind of control box that is applied to gas-heating water heater or gas heater.
Background technology
The control box of existing gas-heating water heater is generally surrounded by panel and bonnet, and circuit board is installed in the control box.Circuit board double-screw bolt and four that panel is provided with four fixing circuit boards are the bonnet double-screw bolt of bonnet fixedly, and circuit board is screwed on the circuit board double-screw bolt of panel, and bonnet interfixes with the bonnet double-screw bolt of screw and panel.The panel of above-mentioned control box is provided with eight double-screw bolts altogether, and double-screw bolt quantity is more, has taken the more inner space of control box, and this has not only increased the installation difficulty of parts, has also increased the manufacture difficulty of mould, causes production cost to increase.For solving these defectives, we improve control box.
Summary of the invention
The utility model technical problem to be solved is that a kind of control box will be provided, and it is under the prerequisite of effective fixing circuit board, and is simple and compact for structure, be convenient to assembling, and production cost is lower.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises the box body that is surrounded by panel, bonnet, and panel is provided with the box body double-screw bolt that cooperates with bonnet, after be covered with through hole; Screw passes through hole and the box body double-screw bolt is spirally connected; Be fixed with circuit board in the box body, wherein circuit board is provided with the location trepanning, and circuit board passes through the positioning sleeve borehole jack on the box body double-screw bolt; Bonnet also is provided with ejector rod, and back of circuit board is close on the ejector rod top.
Said ejector rod is cannulated sleeve, cannulated sleeve and the box body double-screw bolt fit with the coaxial setting of through hole.
Be provided with rubber washer between said ejector rod and the back of circuit board.
Said location trepanning is the breach that is positioned at board edge.
Said breach is the U-shaped breach.
Said circuit board mainly is made up of master board and display operation plate, and the display operation plate is provided with the circuit board double-screw bolt, and master board is fixed on through screw on the circuit board double-screw bolt of display operation plate, and the location trepanning is positioned on the display operation plate.
Said panel is provided with the action pane that cooperates with the display operation plate.
Said box body double-screw bolt evenly is located on the panel, and quantity is at least 3.
The quantity of said box body double-screw bolt is 4.
The utility model is compared the beneficial effect that is produced with background technology:
1, because the utility model adopts concentric double-screw bolt that panel, bonnet, circuit board are installed and fixed in the lump, can guarantee that like this circuit board firmly is installed in the control box, and eight original double-screw bolts are reduced to four; Effectively saved the quantity of double-screw bolt; Save the inner space of control box, reduced installation time, improved operating efficiency; Be convenient to assembling, thereby reduced production cost.
Description of drawings: Fig. 1 is the structure explosive view of the utility model;
Fig. 2 is the sectional structure sketch map of the utility model decomposing state;
Fig. 3 is the sectional structure sketch map of the utility model confined state.
The specific embodiment: referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3; In the present embodiment; Control box comprises the box body that is surrounded by panel 1, bonnet 4; Panel 1 evenly is provided with four box body double-screw bolts 11 that cooperate with bonnet 4, bonnet 4 be provided with four respectively with the through hole 41 of box body double-screw bolt 11 corresponding matching, screw passes through hole 41 and is spirally connected with box body double-screw bolt 11.Be fixed with circuit board 2 in the box body, circuit board 2 be provided with four respectively with the location trepanning 21 of box body double-screw bolt 11 corresponding matching, circuit board 2 is enclosed within on the box body double-screw bolt 11 through location trepanning 21.Bonnet 4 also is provided with ejector rod 42, and circuit board 2 back sides are close on ejector rod 42 tops.
In the present embodiment; Circuit board 2 mainly is made up of master board 22 and display operation plate 23; Display operation plate 23 is provided with the circuit board double-screw bolt, and master board 22 is fixed on through screw on the circuit board double-screw bolt of display operation plate 23, and location trepanning 21 is positioned on the display operation plate 23.Panel 1 is provided with the action pane that cooperates with display operation plate 23.
Be the structure that makes bonnet 4 concision and compact more; And obtain more wiring space; Ejector rod 42 be four respectively with the cannulated sleeve of through hole 41 coaxial settings, cannulated sleeve and box body double-screw bolt 11 fits, and location trepanning 21 is for being positioned at the U-shaped breach at circuit board 2 edges.
For guaranteeing panel 1, circuit board 2 and bonnet 4 threes' fit sealing property, prevent ejector rod 42 undue pushing circuit boards 2 simultaneously, be provided with rubber washer 3 between the ejector rod 42 and circuit board 2 back sides, with the pushing of 42 pairs of circuit boards 2 of buffering ejector rod.
Claims (9)
1. control box; Comprise the box body that is surrounded by panel (1), bonnet (4), panel (1) is provided with the box body double-screw bolt (11) that cooperates with bonnet (4), and bonnet (4) is provided with through hole (41); Screw passes through hole (41) and is spirally connected with box body double-screw bolt (11); Be fixed with circuit board (2) in the box body, it is characterized in that: said circuit board (2) is provided with location trepanning (21), and circuit board (2) is enclosed within on the box body double-screw bolt (11) through location trepanning (21); Bonnet (4) also is provided with ejector rod (42), and circuit board (2) back side is close on ejector rod (42) top.
2. control box according to claim 1 is characterized in that: said ejector rod (42) for cannulated sleeve, cannulated sleeve and box body double-screw bolt (11) fit of the coaxial setting of through hole (41).
3. control box according to claim 1 and 2 is characterized in that: be provided with rubber washer (3) between the said ejector rod (42) and circuit board (2) back side.
4. control box according to claim 3 is characterized in that: said location trepanning (21) is for being positioned at the breach at circuit board (2) edge.
5. control box according to claim 4 is characterized in that: said breach is the U-shaped breach.
6. control box according to claim 1 and 2; It is characterized in that: said circuit board (2) mainly is made up of master board (22) and display operation plate (23); Display operation plate (23) is provided with the circuit board double-screw bolt; Master board (22) is fixed on through screw on the circuit board double-screw bolt of display operation plate (23), and location trepanning (21) is positioned on the display operation plate (23).
7. control box according to claim 6 is characterized in that: said panel (1) is provided with the action pane that cooperates with display operation plate (23).
8. control box according to claim 1 and 2 is characterized in that: said box body double-screw bolt (11) evenly is located on the panel (1), and quantity is at least 3.
9. control box according to claim 8 is characterized in that: the quantity of said box body double-screw bolt (11) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204558818U CN202328812U (en) | 2011-11-17 | 2011-11-17 | Control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204558818U CN202328812U (en) | 2011-11-17 | 2011-11-17 | Control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328812U true CN202328812U (en) | 2012-07-11 |
Family
ID=46440793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204558818U Expired - Lifetime CN202328812U (en) | 2011-11-17 | 2011-11-17 | Control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202328812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323059A (en) * | 2018-02-09 | 2018-07-24 | 深圳市德宝智控科技有限公司 | Tripod turnstile circuit control box |
-
2011
- 2011-11-17 CN CN2011204558818U patent/CN202328812U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323059A (en) * | 2018-02-09 | 2018-07-24 | 深圳市德宝智控科技有限公司 | Tripod turnstile circuit control box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |