CN209298623U - A kind of pressure relief device of low-voltage distribution cabinet - Google Patents
A kind of pressure relief device of low-voltage distribution cabinet Download PDFInfo
- Publication number
- CN209298623U CN209298623U CN201920221973.6U CN201920221973U CN209298623U CN 209298623 U CN209298623 U CN 209298623U CN 201920221973 U CN201920221973 U CN 201920221973U CN 209298623 U CN209298623 U CN 209298623U
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- CN
- China
- Prior art keywords
- pressure relief
- distribution cabinet
- relief plate
- power distribution
- guide rod
- 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 relates to a kind of pressure relief devices of low-voltage distribution cabinet, are related to the technical field of controller switching equipment.Technical points are: including power distribution cabinet body, it is set to the pressure relief opening of power distribution cabinet body roof, and it is set to the pressure relief plate at pressure relief opening, movable component is provided between pressure relief plate and power distribution cabinet, movable component includes the multiple guide holders for being set in power distribution cabinet body and being located at pressure relief opening periphery, the guide rod being connected on each guide holder is slid along the vertical direction, and it is sheathed on the extension spring of guide rod outer ring, pressure relief plate is set to above guide rod and is fixedly connected with guide rod, extension spring one end is fixedly connected with guide holder, the other end is fixedly connected with pressure relief plate.The utility model has the higher effect of safety.
Description
Technical field
The utility model relates to the technical field of controller switching equipment more particularly to a kind of pressure relief devices of low-voltage distribution cabinet.
Background technique
Power distribution cabinet is widely used in all kinds of production distribution, in power distribution cabinet installation there are many switchgear, measuring instrumentss with
And other a variety of ancillary equipments, when the components inside power distribution cabinet break down, high temperature and pressure can be generated, is caused in power distribution cabinet
Chamber temperature increases, and pressure increases, and the generation of explosion accident is be easy to cause if discharging it not in time.
Publication No. is that the application documents of CN104051964A disclose a kind of GGD type low-voltage distribution cabinet cabinet top pressure relief device,
Including the pressure relief plate at power distribution cabinet cabinet top pressure relief opening is arranged in, pressure relief plate is fixedly connected with power distribution cabinet by hasp, pressure relief plate tool
There are several mesh.When pressure release, the pressure in power distribution cabinet first washes the lesser one end of pressure relief plate mesh open, then the other end is washed open just
It can be to power distribution cabinet pressure release.
Prior art among the above, which has the following deficiencies:, can have certain risk when pressure relief plate starts.
Utility model content
The purpose of the utility model is to provide a kind of pressure relief devices of low-voltage distribution cabinet, with the higher effect of safety
Fruit.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of pressure relief device of low-voltage distribution cabinet, including power distribution cabinet body, are set to letting out for the power distribution cabinet body roof
Mouth is pressed, and is set to the pressure relief plate at the pressure relief opening, is provided with activity between the pressure relief plate and the power distribution cabinet body
Component, the movable component includes the multiple guide holders for being set in the power distribution cabinet body and being located at pressure relief opening periphery, along perpendicular
Histogram is connected to the guide rod on each guide holder to sliding, and is sheathed on the extension spring of the guide rod outer ring,
The pressure relief plate is set to above the guide rod and is fixedly connected with the guide rod, and described extension spring one end is led with described
It is fixedly connected to seat, the other end is fixedly connected with the pressure relief plate.
By using above-mentioned technical proposal, when occurring high temperature and pressure in power distribution cabinet body, the pressure of power distribution cabinet body inner cavity
Power is greater than the pressure of ambient atmosphere, will go out pressure relief plate from pressure relief opening, pressure can be between pressure relief plate and pressure relief opening
Outside release to power distribution cabinet body.Since extension spring both ends are connect with guide holder and pressure relief plate respectively, pressure relief plate when pressure release
It will not be disengaged to from power distribution cabinet body compared with distant positions, therefore be not in the case where injuring operating personnel or other facilities by a crashing object,
Safety with higher；Guide rod, which is arranged, to play the guiding role to the movement of pressure relief plate, prevent pressure relief plate in the process of movement
In deviate, cause spacing between pressure relief plate and pressure relief opening uneven, influence the effect of pressure release.
The utility model is further arranged to: runs through along the vertical direction on each guide holder and offers pilot hole,
The guide rod is passed through and is slid and is connected in the pilot hole, and the guide rod is provided with gear far from one end of the pressure relief plate
Circle, and the diameter of the retaining ring is greater than the diameter of the pilot hole.
By using above-mentioned technical proposal, when pressure release, pressure relief plate drive guide rod along pilot hole sliding until retaining ring with
Guide holder bottom wall contradicts, when retaining ring and guide holder contradict, pressure relief plate can stop motion, can be further prevented by the way that retaining ring is arranged
Pressure relief plate flies out, and improves safety when pressure release.When pressure release, extension spring is in tensional state, after pressure release, stretches bullet
Spring can drive pressure relief plate to move to original position during restoring to original state, when logical setting retaining ring can prevent pressure relief plate when moving away from
Farther out from power distribution cabinet body, the case where causing extension spring failure that can not restore to original state generation, can reuse pressure relief plate,
Economic cost has been saved to a certain extent.
The utility model is further arranged to: one end of the retaining ring close to the pressure relief plate is provided with buffering ring.
By using above-mentioned technical proposal, due to excessive velocities when pressure relief plate is gone out from pressure relief opening, retaining ring and guiding
When seat contradicts, the impact force that instantaneous time generates is larger, can reduce the impact force between retaining ring and guide holder by the way that buffering ring is arranged,
It prevents from crossing the case where senior general's retaining ring damages because of impact force.
The utility model is further arranged to: the pilot hole inner wall is equipped with linear bearing.
By using above-mentioned technical proposal, cunning of the guide rod along pilot hole may make in pilot hole inner ring installation linear bearing
Shifting is more smooth, so that the movement of pressure relief plate is rapider.
The utility model is further arranged to: the pressure relief opening inner wall offers and the matched card slot of the pressure relief plate, institute
It states pressure relief plate bottom end to be connected in the card slot, the power distribution cabinet body roof is provided with limit assembly, the limit assembly packet
The limit base being set in the power distribution cabinet body is included, the rotating bar being rotationally connected on the limit base is set to rotating bar
The upper and separate briquetting with limit base hinged place, and the locating part for fixing the rotating bar, the briquetting are can turn to
The pressure relief plate roof.
By using above-mentioned technical proposal, it can prevent pressure relief plate from falling to power distribution cabinet body in pressure relief opening inner wall setting card slot
In inner cavity；When needing carrying or transportation power distribution cabinet ontology, the briquetting in rotating bar is turned on pressure relief plate, then will with locating part
Rotating bar is fixed, and can prevent pressure relief plate from falling from card slot, for operating personnel transport provide it is convenient.
The utility model is further arranged to: being offered multiple threaded holes on the limit base, is opened up in the rotating bar
There is gain, the locating part is across the gain and threaded one end is connected to the screw on the limit base.
By using above-mentioned technical proposal, when needing fixed rotating bar, screw is passed through into gain and is threadedly connected to limit base
Upper, such fixed form operation is simple, and cost is lower.
The utility model is further arranged to: the opening of the card slot is provided with chamfering.
By using above-mentioned technical proposal, pressure relief plate movement is driven convenient for extension spring in the opening setting chamfering of card slot
To original position.
The utility model is further arranged to: being run through on the pressure relief plate and is offered multiple heat release holes.
By using above-mentioned technical proposal, heat release hole, which is arranged, on pressure relief plate can be improved the heat dissipation effect of power distribution cabinet, prevent
Power distribution cabinet body inner cavity temperature is excessively high when normal use, while the pressure release effect when pressure release can be improved in setting heat release hole on pressure relief plate
Rate and pressure release effect.
In conclusion the advantageous effects of the utility model are as follows:
1. avoiding pressure relief plate when pressure release from flying to other places by the way that movable component is arranged, occur operating personnel or other facilities
The case where injuring by a crashing object, safety with higher；
2. pressure relief plate can be further prevented to fly to other places by setting retaining ring and buffering ring, the safety of pressure relief plate is improved
Property；
3. the heat dissipation effect of power distribution cabinet body can be improved by the way that heat release hole is arranged on pressure relief plate, when also can be improved pressure release
Pressure release efficiency and pressure release effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the schematic cross-sectional view in the face A-A in Fig. 1.
Fig. 3 is the partial structural diagram of the movable component of the utility model, it is intended to indicate the mounting means of linear bearing.
In figure, 1, power distribution cabinet body；11, pressure relief opening；111, card slot；112, chamfering；2, pressure relief plate；21, heat release hole；3, living
Dynamic component；31, guide holder；311, pilot hole；32, guide rod；321, retaining ring；322, buffering ring；33, extension spring；34, straight line
Bearing；4, limit assembly；41, limit base；42, rotating bar；421, briquetting；422, gain；43, threaded hole；44, screw.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figures 1 and 2, is a kind of pressure relief device of low-voltage distribution cabinet disclosed by the utility model, including power distribution cabinet sheet
Body 1 is set to the pressure relief opening 11 of 1 roof of power distribution cabinet body, the pressure relief plate 2 being set at pressure relief opening 11, and is set to distribution
Movable component 3 between cabinet ontology 1 and pressure relief plate 2, through offering multiple heat release holes 21 on pressure relief plate 2.
Referring to Figures 1 and 2,11 inner wall of pressure relief opening offers and the matched card slot 111 of pressure relief plate 2, the opening of card slot 111
It is provided with chamfering 112,2 bottom end of pressure relief plate is connected in card slot 111.
Referring to Figures 1 and 2, movable component 3 includes being set in power distribution cabinet body 1 and being located at the multiple of 11 periphery of pressure relief opening
Guide holder 31 slides the guide rod 32 being connected in each guide holder 31 along the vertical direction, and is sheathed on 32 outer ring of guide rod
Extension spring 33；The number of guide holder 31 is two in the present embodiment, and is symmetrical arranged respectively at 11 two sides of pressure relief opening.Guiding
Seat 31 is L shape, and the vertical section of guide holder 31 is fixedly connected with 1 inner wall of power distribution cabinet body, 33 one end of extension spring and guide holder 31
Horizontal segment be fixedly connected, the other end is fixedly connected with pressure relief plate 2；The horizontal segment of guide holder 31 runs through along the vertical direction to be opened up
There is pilot hole 311,311 inner wall of pilot hole is equipped with linear bearing 34, and guide rod 32 slides be connected to linear axis along the vertical direction
34 inner walls are held, 32 top of guide rod is fixedly connected with 2 bottom wall of pressure relief plate, and guide rod 32 is provided with gear far from one end of pressure relief plate 2
Circle 321, and the diameter of retaining ring 321 is greater than the diameter of pilot hole 311, one end of retaining ring 321 close to pressure relief plate 2 is provided with buffering ring
322。
1 roof of power distribution cabinet body is provided with limit assembly 4, and limit assembly 4 includes the limit being set in power distribution cabinet body 1
Seat 41, the rotating bar 42 being rotationally connected on limit base 41 are set in rotating bar 42 and separate with 41 hinged place of limit base
Briquetting 421, and the locating part for fixing rotating bar 42；Multiple threaded holes 43 are offered on limit base 41, in rotating bar 42
Gain 422 is offered, locating part is across gain 422 and threaded one end is connected to the screw 44 on limit base 41, and briquetting 421 can
Turn to 2 roof of pressure relief plate
The implementation principle of the present embodiment are as follows: when 1 chamber pressure of power distribution cabinet body is excessive, pressure relief plate 2 is pushed along leading
It is moved upwards to hole 311 until retaining ring 321 is directed to seat 31 and resists, extension spring 33 is in tensional state at this time, and pressure release terminates
Afterwards, pressure relief plate 2 is driven to move to original position during extension spring 33 is restored to original state.
When needing to transport or moving power distribution cabinet body 1, screw 44 is unscrewed, rotating bar 42 is rotated, until briquetting 421 will be let out
Pressing plate 2 is pushed down, then screw 44 is passed through gain 422 and is threaded into hole 43, can be fixed by pressure relief plate 2, by power distribution cabinet body 1
Behind transport to required position, screw 44 is unscrewed, rotating bar 42 is turned into original position, then be by the fixation of rotating bar 42 with screw 44
It can.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of pressure relief device of low-voltage distribution cabinet, including power distribution cabinet body (1) are set to the power distribution cabinet body (1) roof
Pressure relief opening (11), and be set to the pressure relief plate (2) at the pressure relief opening (11), it is characterised in that: the pressure relief plate (2) with
It is provided with movable component (3) between the power distribution cabinet body (1), the movable component (3) includes being set to the power distribution cabinet sheet
Multiple guide holders (31) on body (1) and positioned at pressure relief opening (11) periphery, sliding is connected to each guiding along the vertical direction
Guide rod (32) on seat (31), and it is sheathed on the extension spring (33) of the guide rod (32) outer ring, the pressure relief plate (2)
Be set to above the guide rod (32) and be fixedly connected with the guide rod (32), described extension spring (33) one end with it is described
Guide holder (31) is fixedly connected, and the other end is fixedly connected with the pressure relief plate (2).
2. a kind of pressure relief device of low-voltage distribution cabinet according to claim 1, it is characterised in that: each guide holder
(31) along the vertical direction through offering pilot hole (311) on, the guide rod (32), which passes through and slides, is connected to described lead
Into hole (311), the guide rod (32) is provided with retaining ring (321) far from the one end of the pressure relief plate (2), and the retaining ring
(321) diameter is greater than the diameter of the pilot hole (311).
3. a kind of pressure relief device of low-voltage distribution cabinet according to claim 2, it is characterised in that: the retaining ring (321) connects
One end of the nearly pressure relief plate (2) is provided with buffering ring (322).
4. a kind of pressure relief device of low-voltage distribution cabinet according to claim 2, it is characterised in that: the pilot hole (311)
Inner wall is equipped with linear bearing (34).
5. a kind of pressure relief device of low-voltage distribution cabinet according to claim 1, it is characterised in that: in the pressure relief opening (11)
Wall, which is offered, is connected in the card slot (111) with the pressure relief plate (2) matched card slot (111), pressure relief plate (2) bottom end
Interior, power distribution cabinet body (1) roof is provided with limit assembly (4), and the limit assembly (4) includes being set to the power distribution cabinet
Limit base (41) on ontology (1), the rotating bar (42) being rotationally connected on the limit base (41), is set to rotating bar (42)
The upper and separate briquetting (421) with limit base (41) hinged place, and the locating part for fixing the rotating bar (42), it is described
Briquetting (421) can turn to the pressure relief plate (2) roof.
6. a kind of pressure relief device of low-voltage distribution cabinet according to claim 5, it is characterised in that: on the limit base (41)
It offers multiple threaded holes (43), is offered gain (422) on the rotating bar (42), locating part is across the gain
(422) and threaded one end is connected to the screw (44) on the limit base (41).
7. a kind of pressure relief device of low-voltage distribution cabinet according to claim 5, it is characterised in that: the card slot (111)
Opening is provided with chamfering (112).
8. a kind of pressure relief device of low-voltage distribution cabinet according to claim 1, it is characterised in that: on the pressure relief plate (2)
Through offering multiple heat release holes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221973.6U CN209298623U (en) | 2019-02-20 | 2019-02-20 | A kind of pressure relief device of low-voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221973.6U CN209298623U (en) | 2019-02-20 | 2019-02-20 | A kind of pressure relief device of low-voltage distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209298623U true CN209298623U (en) | 2019-08-23 |
Family
ID=67642780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920221973.6U Expired - Fee Related CN209298623U (en) | 2019-02-20 | 2019-02-20 | A kind of pressure relief device of low-voltage distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209298623U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817179A (en) * | 2020-06-11 | 2020-10-23 | 阜阳腾冠电力科技有限公司 | Prevent burning multiple pressure release formula switch board of arc |
| CN112018643A (en) * | 2020-09-05 | 2020-12-01 | 段智强 | Safety pressure relief device of switch cabinet and pressure relief method thereof |
| CN113067275A (en) * | 2021-03-08 | 2021-07-02 | 国网新疆电力有限公司喀什供电公司 | Intelligent switch cabinet for transformer substation |
| CN113328369A (en) * | 2021-05-31 | 2021-08-31 | 国网河南省电力公司方城县供电公司 | Switch cabinet with pressure relief protection device |
-
2019
- 2019-02-20 CN CN201920221973.6U patent/CN209298623U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817179A (en) * | 2020-06-11 | 2020-10-23 | 阜阳腾冠电力科技有限公司 | Prevent burning multiple pressure release formula switch board of arc |
| CN112018643A (en) * | 2020-09-05 | 2020-12-01 | 段智强 | Safety pressure relief device of switch cabinet and pressure relief method thereof |
| CN113067275A (en) * | 2021-03-08 | 2021-07-02 | 国网新疆电力有限公司喀什供电公司 | Intelligent switch cabinet for transformer substation |
| CN113067275B (en) * | 2021-03-08 | 2022-08-26 | 国网新疆电力有限公司喀什供电公司 | Intelligent switch cabinet for transformer substation |
| CN113328369A (en) * | 2021-05-31 | 2021-08-31 | 国网河南省电力公司方城县供电公司 | Switch cabinet with pressure relief protection device |
| CN113328369B (en) * | 2021-05-31 | 2022-09-20 | 国网河南省电力公司方城县供电公司 | Switch cabinet with pressure relief protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20210220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |