CN201851143U - Automatic closing air door spindle - Google Patents
Automatic closing air door spindle Download PDFInfo
- Publication number
- CN201851143U CN201851143U CN2010205650111U CN201020565011U CN201851143U CN 201851143 U CN201851143 U CN 201851143U CN 2010205650111 U CN2010205650111 U CN 2010205650111U CN 201020565011 U CN201020565011 U CN 201020565011U CN 201851143 U CN201851143 U CN 201851143U
- Authority
- CN
- China
- Prior art keywords
- air door
- automatic closing
- supporter
- spindle
- axle sleeve
- 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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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model relates to an automatic closing air door spindle, which can effectively solve the problem that an existing air door is troublesome in use and poor in use effect so that safety of a mine is affected. The technical scheme for solving the problem includes that the automatic closing air door spindle comprises a spindle sleeve and a support, a rotating block is arranged at the lower end of the inner peripheral surface of the spindle sleeve, the support consists of a base and a supporting rod on the base, a spiral groove is arranged on the supporting rod, and the spindle sleeve is mounted on the supporting rod of the support. The automatic closing air door spindle is simple in structure and flexible and convenient in use and is innovation of air doors.
Description
One, technical field
The utility model relates to a kind of self-closing damper axle.
Two, background technology
At present, the coal mine lower wind door generally adopts fixed axle of the air door to realize the switch of air door, body of wall is the trapezoid shape on the structure, utilize body of wall chamfering realization air door to close automatically, this trapezoidal wall construction difficulty is big, requirement is high, troublesome poeration, and fixed in addition axle of the air door is dumb, air door is not closed completely close, often cause leak out, distinguished and admirable short circuit, be unfavorable for the unimpeded of mine ventilation system, badly influence the safety in production of mine.
Three, summary of the invention
At above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides a kind of self-closing damper axle, existing air door be can effectively solve and trouble and the bad problem that causes influencing mine safety of result of use used, the technical scheme of its solution is, comprise axle sleeve and supporter, there is spill spin block axle sleeve inner edge surface lower end, supporter is made of the support bar on base and the base, spiral groove is arranged on the support bar, axle sleeve is contained on the support bar of supporter, and the utility model is simple in structure, flexible and convenient to use, is the innovation on the air door.
Four, description of drawings
Fig. 1 is the sectional front view of the utility model axle sleeve.
Fig. 2 is the vertical view of the utility model axle sleeve.
Fig. 3 is the front view of the utility model supporter.
Fig. 4 is user mode figure of the present utility model.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Provided by Fig. 1 to Fig. 4, the utility model comprises axle sleeve and supporter, and axle sleeve 1 is the cylinder type hollow cylindrical shell, there is spill spin block 2 cylindrical shell inner edge surface lower end, supporter is made of the support bar 4 on base 3 and the base 3, and spiral groove 5 is arranged on the support bar 4, and axle sleeve 1 is contained on the support bar 4 of supporter.
In order to guarantee result of use, said spill spin block 2 is square or round bump.
When the utility model uses, supporter is fixed in the air door body of wall 6, axle sleeve 1 is installed in air door 7 appropriate locations, support bar 4 is inserted in the axle sleeve 1, spill spin block 2 places in the groove 5, axle sleeve 1 and supporter are fixed together, when air door 7 is opened, by air door 7 self gravitations, make in the groove 5 of spill spin block 2 on support bar 4 and slide, drive axle sleeve 1 and on supporter, rotate, finally reach the effect that air door 7 is closed automatically, must make axle sleeve 1 and supporter be in concentric in the work progress, could guarantee that air door can open and close fully.
The utility model is simple in structure, easy operating, practical, flexible and convenient to use, and air door is closed tightly.
Claims (3)
1. self-closing damper axle, comprise axle sleeve and supporter, it is characterized in that, axle sleeve (1) is the cylinder type hollow cylindrical shell, there is spill spin block (2) cylindrical shell inner edge surface lower end, supporter is made of the support bar (4) on base (3) and the base (3), and spiral groove (5) is arranged on the support bar (4), and axle sleeve (1) is contained on the support bar (4) of supporter.
2. self-closing damper axle according to claim 1 is characterized in that, said spill spin block (2) is square or round bump.
3. self-closing damper axle according to claim 1 is characterized in that, said groove (5) is and corresponding square of spill spin block (2) or circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205650111U CN201851143U (en) | 2010-10-18 | 2010-10-18 | Automatic closing air door spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205650111U CN201851143U (en) | 2010-10-18 | 2010-10-18 | Automatic closing air door spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851143U true CN201851143U (en) | 2011-06-01 |
Family
ID=44093542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205650111U Expired - Fee Related CN201851143U (en) | 2010-10-18 | 2010-10-18 | Automatic closing air door spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851143U (en) |
-
2010
- 2010-10-18 CN CN2010205650111U patent/CN201851143U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20131018 |