CN203716720U - Pressure relief structure in door closer - Google Patents
Pressure relief structure in door closer Download PDFInfo
- Publication number
- CN203716720U CN203716720U CN201320789155.9U CN201320789155U CN203716720U CN 203716720 U CN203716720 U CN 203716720U CN 201320789155 U CN201320789155 U CN 201320789155U CN 203716720 U CN203716720 U CN 203716720U
- Authority
- CN
- China
- Prior art keywords
- pressure relief
- oil
- plate
- pressure release
- opening
- 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 - Fee Related
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Abstract
The utility model discloses a pressure relief structure in a door closer. The pressure relief structure comprises a pressure relief body, wherein a pressure relief channel and a baffle, perpendicular to each other, are arranged in the pressure relief body; an oil through hole which is communicated with the pressure relief channel is formed in the baffle; the baffle is movably matched with an opening and closing plate which is used for opening and closing the oil through hole; a stroke chamber for vertical operation of the opening and closing plate is further formed in the pressure relief body; an elastic piece is arranged in the stroke chamber; one end of the elastic piece is fixed to the pressure relief body, and the other end of the elastic piece is fixedly connected with the opening and closing plate; the opening and closing plate comprises a vertical part and a horizontal part; the vertical part is matched with the oil through hole in an opening and closing manner; the horizontal part is hermetically matched with the stroke chamber. When the internal pressure of the pressure relief channel is over-high, the opening and closing plate compresses the elastic piece, and hydraulic oil can flow out from the oil through hole in the baffle through the pressure relief channel, so that a pressure relief effect is achieved; when the internal pressure of the pressure relief channel is reduced, the opening and closing plate moves upwards under the action of the return force of the elastic piece, and the oil through hole is re-closed, so that the pressure relief structure can be closed. By virtue of the pressure relief structure, the internal pressure can be intelligently controlled according to the pressure difference.
Description
Technical field
The utility model relates to door closer technical field, more particularly: it relates to the pressure relief in a kind of door closer.
Background technology
Modern door closer is different from traditional door closer, is to carry out throttling by the liquid in door closer to reach cushioning effect.The core of hydraulic door-closer design philosophy is to realize the control to the process of closing the door, and the various functional parameters of the process of closing the door can be regulated according to human needs.The meaning of door closer is not only door automatically to close, and can also protect doorframe and door body (steadily closing), the more important thing is that door closer has become modern architecture intelligence.
At present, door closer on market comprises housing, tooth bar plunger, for driving gear shaft, the upper end cover that housing two ends are set and the bottom end cover of tooth bar plunger level running and being placed in back-moving spring and the oil pressure passage in housing, described tooth bar plunger is provided with one way valve, in described tooth bar plunger, be provided with right oil pocket, between described tooth bar plunger and described upper end cover, be provided with left oil pocket, the left oil pocket of described oil pressure channel connection and right oil pocket.Because the inside of door closer is completely airtight, lack door closer pressure release, explosion-proof design, door closer is widely used in fire prevention field simultaneously, should be taken into account that door closer is in the time of breaking out of fire, in door closer, hydraulic oil expands, and causes the excessive blast causing of internal pressure, and then people's lives and properties are formed to infringement, therefore, need to improve.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide the pressure relief in a kind of door closer.
For achieving the above object, the utility model provides following technical scheme: the pressure relief in a kind of door closer, comprise pressure release body, in described pressure release body, be provided with orthogonal pressure release passage and baffle plate, described baffle plate is provided with the oil through that is communicated with pressure release passage, described baffle plate activity is combined with the keying plate that opens and closes oil through, in described pressure release body, be also provided with the stroke chamber operating up and down for opening and closing plate, described stroke is provided with elastic component in chamber, described elastic component one end is fixed on described pressure release body, the other end is fixedly connected with described keying plate, described keying plate comprises vertical portion and horizontal part, vertical portion opens and closes and coordinates with oil through, the airtight cooperation of horizontal part and stroke chamber.
By adopting technique scheme, pressure release passage is passed through in the pressure release of pressure relief, baffle plate and keying plate three combine realization, in the time that pressure release passage internal pressure is excessive, pressure release passage and stroke chamber mineralization pressure are poor, open and close plate compression elastic piece, hydraulic oil just can flow out to reach by baffle plate oil through the effect of pressure release through pressure release passage so, after pressure release passage internal pressure weakens, opening and closing plate moves under the restoring force effect of elastic component, again seal oil through to realize closing of pressure relief, this pressure relief, simple in structure and can realize the intellectuality control to internal pressure according to pressure differential.
The utility model is further set to: described baffle plate is provided with mounting groove along opening and closing the plate direction that moves up and down, described keying plate is embedded in mounting groove, the other end in described mounting groove relative travel chamber forms the portion that is embedded, the degree of depth in described stroke chamber and horizontal part be along opening and closing move up and down thickness poor of direction of plate, is greater than the portion of being embedded along opening and closing the move up and down size of direction of plate.
By adopting technique scheme, the running orbit that the setting of mounting groove guarantees to open and close plate is along mounting groove place above-below direction, mounting groove one end is embedded the setting of portion and this and is embedded portion and moves up and down the degree of depth that the size of direction is less than stroke chamber and horizontal part along move up and down thickness poor of direction of keying plate along opening and closing plate, the effect of opening buffering in the process that this pressure relief is increased at pressure, only has pressure to increase to a certain degree and makes to open and close plate and expose and outside portion, could be communicated with pressure release passage and oil through to realize pressure release being embedded.
The utility model is further set to: a side of the corresponding oil through of described horizontal part is provided with block, between described block and horizontal part, is provided with acute angle.
By adopting technique scheme, because the flow direction of hydraulic oil is turned left from the right side, between the setting of block and this block and horizontal part, being provided with acute angle, to make to open and close plate better stressed, accelerates to open and close the running of plate, reduces and open and close oil through difficulty.
The utility model is further set to: described pressure release body is spheroid, and described elastic component is back-moving spring.
By adopting technique scheme, the minimum material of spheroid has maximum volume, adopts the pressure release body of spheroid to save cost, and elastic component can be spring, shell fragment, cushion, elastic rod etc., here preferred spring, because the reset effect of spring is all better than other elastic components.
Brief description of the drawings
Fig. 1 is the structural representation of the pressure relief in a kind of door closer of the utility model.
In figure 1, pressure release body; 11, pressure release passage; 12, baffle plate; 121, oil through; 122, mounting groove; 1221, be embedded portion; 13, open and close plate; 131, vertical portion; 132, horizontal part; 1321, block; 14, elastic component; 15, stroke chamber.
Detailed description of the invention
With reference to Fig. 1, the embodiment of the pressure relief in a kind of door closer of the utility model is described further.
Pressure relief in a kind of door closer, comprise pressure release body 1, in described pressure release body 1, be provided with orthogonal pressure release passage 11 and baffle plate 12, described baffle plate 12 is provided with the oil through 121 that is communicated with pressure release passage 11, described baffle plate 12 activities are combined with the keying plate 13 that opens and closes oil through 121, in described pressure release body 1, be also provided with the stroke chamber 15 operating up and down for opening and closing plate 13, in described stroke chamber 15, be provided with elastic component 14, described elastic component 14 one end are fixed on described pressure release body 1, the other end is fixedly connected with described keying plate 13, described keying plate 13 comprises vertical portion 131 and horizontal part 132, vertical portion 131 opens and closes and coordinates with oil through 121, the airtight cooperation of horizontal part 132 and stroke chamber 15.
The pressure release of pressure relief is by pressure release passage 11, baffle plate 12 and keying plate 13 threes combine realization, when pressure release passage 11 internal pressures are when excessive, pressure release passage 11 and stroke chamber 15 mineralization pressures are poor, open and close plate 13 compression elastic pieces 14, hydraulic oil just can flow out to reach by oil through 121 on baffle plate 12 effect of pressure release through pressure release passage 11 so, after pressure release passage 11 internal pressures weaken, opening and closing plate 13 moves under the restoring force effect of elastic component 14, again seal oil through 121 to realize closing of pressure relief, this pressure relief is simple in structure and can realize the intellectuality control to internal pressure according to pressure differential.
Described baffle plate 12 is provided with mounting groove 122 along opening and closing plates 13 direction that moves up and down, described keying plate 13 is embedded in mounting groove 122, the other end in described mounting groove 122 relative travel chambeies 15 forms the portion 1221 that is embedded, the degree of depth in described stroke chamber 15 and horizontal part 132 be along opening and closing move up and down thickness poor of direction of plates 13, is greater than the portion of being embedded 1221 along opening and closing the move up and down size of direction of plates 13.
The running orbit that the setting of mounting groove 122 guarantees to open and close plate 13 is along mounting groove 122 place above-below directions, mounting groove 122 one end are embedded the setting of portion 1221 and this and are embedded portion 1221 and move up and down the degree of depth that the size of direction is less than stroke chamber 15 and horizontal part 132 along move up and down thickness poor of direction of keying plates 13 along opening and closing plates 13, the effect of opening buffering in the process that this pressure relief is increased at pressure, only has pressure to increase to a certain degree and makes to open and close plate 13 and expose and be embedded outer pressure release passage 11 and the oil through 121 of could being communicated with of portion 1221 to realize pressure release.
One side of the corresponding oil through 121 of described horizontal part 132 is provided with block 1321, between described block 1321 and horizontal part 132, is provided with acute angle.
Because the flow direction of hydraulic oil is turned left from the right side, between the setting of block 1321 and this block 1321 and horizontal part 132, being provided with acute angle, to make to open and close plate 13 better stressed, accelerates to open and close the running of plate 13, reduces and open and close oil through 121 difficulty.
Described pressure release body 1 is spheroid, and described elastic component 14 is back-moving spring.
The minimum material of spheroid has maximum volume, adopts the pressure release body 1 of spheroid to save cost, and elastic component 14 can be spring, shell fragment, cushion, elastic rod etc., and preferred spring here, because the reset effect of spring is all better than other elastic components 14.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the pressure relief in a door closer, comprise pressure release body, it is characterized in that: in described pressure release body, be provided with orthogonal pressure release passage and baffle plate, described baffle plate is provided with the oil through that is communicated with pressure release passage, described baffle plate activity is combined with the keying plate that opens and closes oil through, in described pressure release body, be also provided with the stroke chamber operating up and down for opening and closing plate, described stroke is provided with elastic component in chamber, described elastic component one end is fixed on described pressure release body, the other end is fixedly connected with described keying plate, described keying plate comprises vertical portion and horizontal part, vertical portion opens and closes and coordinates with oil through, the airtight cooperation of horizontal part and stroke chamber.
2. the pressure relief in a kind of door closer according to claim 1, it is characterized in that: described baffle plate is provided with mounting groove along opening and closing the plate direction that moves up and down, described keying plate is embedded in mounting groove, the other end in described mounting groove relative travel chamber forms the portion that is embedded, the degree of depth in described stroke chamber and horizontal part be along opening and closing move up and down thickness poor of direction of plate, is greater than the portion of being embedded along opening and closing the move up and down size of direction of plate.
3. the pressure relief in a kind of door closer according to claim 2, is characterized in that: a side of the corresponding oil through of described horizontal part is provided with block, between described block and horizontal part, is provided with acute angle.
4. according to the pressure relief in a kind of door closer described in claim 1 or 2 or 3, it is characterized in that: described pressure release body is spheroid, described elastic component is back-moving spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320789155.9U CN203716720U (en) | 2013-12-03 | 2013-12-03 | Pressure relief structure in door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320789155.9U CN203716720U (en) | 2013-12-03 | 2013-12-03 | Pressure relief structure in door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716720U true CN203716720U (en) | 2014-07-16 |
Family
ID=51155886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320789155.9U Expired - Fee Related CN203716720U (en) | 2013-12-03 | 2013-12-03 | Pressure relief structure in door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716720U (en) |
-
2013
- 2013-12-03 CN CN201320789155.9U patent/CN203716720U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20181203 |