CN103352623B - One exempts from two section speed governing floor spring of digging pit - Google Patents
One exempts from two section speed governing floor spring of digging pit Download PDFInfo
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- CN103352623B CN103352623B CN201310234570.2A CN201310234570A CN103352623B CN 103352623 B CN103352623 B CN 103352623B CN 201310234570 A CN201310234570 A CN 201310234570A CN 103352623 B CN103352623 B CN 103352623B
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- housing
- cam shaft
- spring
- piston
- speed governing
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Abstract
The present invention relates to one and exempt from two section speed governing floor spring of digging pit, comprise base portion and main part, described main part upper right side is provided with strap, described main part comprises housing and is located at the lubricant passage way in this housing, in described housing, middle part is vertically provided with cam shaft, the left side of described cam shaft is provided with damper piston and left side cylinder cap successively, spring is provided with in described damper piston, the right side of described cam shaft is provided with piston and right side cylinder cap successively, in described piston, left side cover has valve seat, and in described piston, right side is provided with groups of springs; The bottom of described cam shaft is stretched out hull outside and is fixedly connected with base portion.Beneficial effect of the present invention is: by arranging main part and base portion, thus does not need to dig pit on ground, easy for installation, is equipped with piston and spring in cam shaft both sides, thus realizes two section speed governing, and use convenient, function is more stable.
Description
Technical field
The present invention relates to one and exempts from two section speed governing floor spring of digging pit.
Background technology
Floor spring is a kind of hydraulic door closer, can only compared with unidirectional unlatching with common door closer, and floor spring may be used for the bidirectional opening of door.Existing floor spring, needs during installation first to dig pit in bottom surface, floor spring is embedded in the inside, its speed governing and maintenance inconvenience, and function easily lost efficacy, and during automatic door-closing, 90 degree to 35 degree door closing speed are fast, easily damage, there is certain potential safety hazard; Install inconvenient, cost is high, can not get applying widely.
Summary of the invention
The object of this invention is to provide one and exempt from two section speed governing floor spring of digging pit, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
One exempts from two section speed governing floor spring of digging pit, comprise base portion and main part, described main part upper right side is provided with strap, described main part comprises housing and is located at the lubricant passage way in this housing, in described housing, middle part is vertically provided with cam shaft, the left side of described cam shaft is provided with damper piston and left side cylinder cap successively, spring is provided with in described damper piston, the right side of described cam shaft is provided with piston and right side cylinder cap successively, in described piston, left side cover has valve seat, and in described piston, right side is provided with groups of springs; The bottom of described cam shaft is stretched out hull outside and is fixedly connected with base portion.
Further, the top of described cam shaft is connected with housing with angular contact bearing by the bearing of overcoat arranged side by side.The middle and lower part of described cam shaft is connected with housing with bearing base by the needle bearing of overcoat, described needle bearing and be equipped with sealing ring between housing and cam shaft.
Further, on described damper piston, side is provided with eccentric orfice, and described spring is positioned at eccentric orfice, on described damper piston opposite side unidirectional valve opening in be provided with steel ball one.Described valve seat contacts with cam shaft face with piston, is provided with steel ball two in described valve seat.
Preferably, described groups of springs is made up of the outer spring be nested and inner spring.
Further, described base portion is made up of the adjustment block at base and base center, and described base both sides are equipped with screwed hole, and described screwed hole holds out against adjustment block by loading holding screw.
Further, described housing upper surface is provided with two and regulates valve opening, is all connected with flow speed control valve by sealing ring in described adjustment valve opening.Described lubricant passage way comprises the long spill port laterally run through in housing, and described long spill port regulates valve opening to communicate with two, and described long spill port communicates with four little spill ports spaced in housing respectively.
Further, described left side cylinder cap and be equipped with sealing ring between right side cylinder cap and housing.
Beneficial effect of the present invention is: by arranging main part and base portion, thus does not need to dig pit on ground, easy for installation, is equipped with piston and spring in cam shaft both sides, thus realizes two section speed governing, and use convenient, function is more stable.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 exempts from described in the embodiment of the present invention to dig pit the front view of two section speed governing floor spring;
Fig. 2 exempts from described in the embodiment of the present invention to dig pit the left view of two section speed governing floor spring;
Fig. 3 is the structural representation of base portion described in the embodiment of the present invention;
Fig. 4 is the structural representation of housing described in the embodiment of the present invention;
Fig. 5 is the A-A sectional view of Fig. 4;
Fig. 6 is the left view of damper piston described in the embodiment of the present invention;
Fig. 7 is the front view of damper piston described in the embodiment of the present invention;
Fig. 8 is the front view of piston described in the embodiment of the present invention.
In figure:
1, base; 2, adjustment block; 3, bearing base; 4, sealing ring; 5, needle bearing; 6, eccentric orfice; 7, damper piston; 8, spring; 9, left side cylinder cap; 10, steel ball one; 11, right side cylinder cap; 12, unidirectional valve opening; 13, housing; 14, bearing; 15, angular contact bearing; 16, camshaft; 17, valve seat; 18, steel ball two; 19, piston; 20, outer spring; 21, inner spring; 22, flow speed control valve; 23, screwed hole; 24, strap; 25, lubricant passage way.
Detailed description of the invention
As shown in figures 1-8, one described in the embodiment of the present invention exempts from two section speed governing floor spring of digging pit, comprise base portion and main part, described main part upper right side is provided with strap 24, it is characterized in that: the lubricant passage way 25 that described main part comprises housing 13 and is located in this housing, in described housing 13, middle part is vertically provided with cam shaft 16, the left side of described cam shaft 16 is provided with damper piston 7 and left side cylinder cap 9 successively, spring 8 is provided with in described damper piston 7, the right side of described cam shaft 16 is provided with piston 19 and right side cylinder cap 11 successively, in described piston 19, left side cover has valve seat 17, in described piston 19, right side is provided with groups of springs, the bottom of described cam shaft 16 is stretched out housing 13 outside and is fixedly connected with base portion.The top of described cam shaft 16 is connected with housing 13 with angular contact bearing 15 by the bearing 14 of overcoat arranged side by side.The middle and lower part of described cam shaft 16 is connected with housing 13 with bearing base 3 by the needle bearing 5 of overcoat, described needle bearing 5 and be equipped with sealing ring 4 between housing 13 and cam shaft 16.On described damper piston 7, side is provided with eccentric orfice 6, and described spring 8 is positioned at eccentric orfice 6, on described damper piston 7 opposite side unidirectional valve opening 12 in be provided with steel ball 1.Described valve seat 17 contacts with piston 19 and cam shaft 16, is provided with steel ball 2 18 in described valve seat 17.Described groups of springs is made up of the outer spring 20 be nested and inner spring 21.Described base portion is made up of the adjustment block 2 at base 1 and base 1 center, and described base 1 both sides are equipped with screwed hole 23, and described screwed hole 23 holds out against adjustment block 2 by loading holding screw.Described housing 13 upper surface is provided with two and regulates valve opening, is all connected with flow speed control valve 22 by sealing ring 4 in described adjustment valve opening.Described lubricant passage way 25 comprises the long spill port laterally run through in housing 13, and described long spill port regulates valve opening to communicate with two, and described long spill port communicates with four little spill ports spaced in housing 13 respectively.Described left side cylinder cap 9 and be equipped with sealing ring 4 between right side cylinder cap 11 and housing 13.
One provided by the invention exempts from two section speed governing floor spring of digging pit, and adjustment block 2 is provided with sphere and flat mortise.The lower end of main part cam shaft 16 loads the flat mortise of adjustment block 2.Described two, housing 13 upper end regulates valve opening, and left end regulates valve opening to debug fast valve 22, controls damper piston 7, and right-hand member regulates valve opening to debug fast valve 22, controls right-hand member piston 19; Right-hand member flow speed control valve 22 controllable angle scope 85 degree to 35 degree, left end flow speed control valve 22 controllable angle 35 degree to 0 degree.The left end of described damper piston 7 is provided with eccentric orfice 6, and spring 8 fills in eccentric orfice 6, is provided with unidirectional valve opening 12 above eccentric orfice 6, and steel ball 1 loads in unidirectional valve opening 12.Described cylinder cap is provided with groove, after the dress sealing ring 4 of groove position by spring-compressed in the cylinder holes of housing 13, sealing ring 4 and cylinder holes static seal.
One provided by the invention exempts from two section speed governing floor spring of digging pit, and by arranging base portion beyond main part, original entirety being needed imbed lower floor spring and being connected with ground by base portion, eliminating and dig pit.Existing floor spring many employings one side arranges spring, the technical program all arranges spring two-sided, mutually promoting and limiting and realize more smooth unlatching effect by both sides spring, active force is more balanced, thus has stopped the problem that in prior art, one side acting force of the spring is uneven.Two sections of springs compared to existing technology in monolateral spring also achieve the function of bilateral speed governing.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (8)
1. exempt from two section speed governing floor spring of digging pit for one kind, comprise base portion and main part, described main part upper right side is provided with strap (24), it is characterized in that: described main part comprises housing (13) and is located at the lubricant passage way (25) in this housing, in described housing (13), middle part is vertically provided with cam shaft (16), the left side of described cam shaft (16) is provided with damper piston (7) and left side cylinder cap (9) successively, spring (8) is provided with in described damper piston (7), the right side of described cam shaft (16) is provided with piston (19) and right side cylinder cap (11) successively, in described piston (19), left side cover has valve seat (17), in described piston (19), right side is provided with groups of springs, the bottom of described cam shaft (16) is stretched out housing (13) outside and is fixedly connected with described base portion, the top of described cam shaft (16) is connected with housing (13) with angular contact bearing (15) by the bearing (14) of overcoat arranged side by side, the middle and lower part of described cam shaft (16) is connected with housing (13) with bearing base (3) by the needle bearing (5) of overcoat, described needle bearing (5) and be equipped with sealing ring (4) between housing (13) and cam shaft (16), described base portion is made up of the adjustment block (2) at base (1) and base (1) center, and described adjustment block (2) is provided with sphere and flat mortise, and the lower end of described cam shaft (16) loads in the flat mortise of adjustment block (2).
2. two section speed governing floor spring of exempting to dig pit according to claim 1, it is characterized in that: the upper side of described damper piston (7) is provided with eccentric orfice (6), described spring (8) is positioned at eccentric orfice (6), is provided with steel ball one (10) in the unidirectional valve opening (12) of the upper opposite side of described damper piston (7).
3. two section speed governing floor spring of exempting to dig pit according to claim 2, is characterized in that: described valve seat (17) contacts with cam shaft (16) face with piston (19), is provided with steel ball two (18) in described valve seat (17).
4. two section speed governing floor spring of exempting to dig pit according to claim 3, is characterized in that: described groups of springs is made up of the outer spring be nested (20) and inner spring (21).
5. two section speed governing floor spring of exempting to dig pit according to claim 4, it is characterized in that: described base (1) both sides are equipped with screwed hole (23), described screwed hole (23) holds out against adjustment block (2) by loading holding screw.
6. two section speed governing floor spring of exempting to dig pit according to claim 5, is characterized in that: described housing (13) upper surface is provided with two and regulates valve openings, is all connected with flow speed control valve (22) by sealing ring (4) in described adjustment valve opening.
7. two section speed governing floor spring of exempting to dig pit according to claim 6, it is characterized in that: described lubricant passage way (25) comprises the long spill port laterally run through in housing (13), described long spill port regulates valve opening to communicate with two, and described long spill port communicates with spaced four little spill ports in housing (13) respectively.
8. exempting from according to any one of claim 1-7 is digged pit two section speed governing floor spring, it is characterized in that: described left side cylinder cap (9) and be equipped with sealing ring (4) between right side cylinder cap (11) and housing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234570.2A CN103352623B (en) | 2013-06-09 | 2013-06-09 | One exempts from two section speed governing floor spring of digging pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234570.2A CN103352623B (en) | 2013-06-09 | 2013-06-09 | One exempts from two section speed governing floor spring of digging pit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103352623A CN103352623A (en) | 2013-10-16 |
| CN103352623B true CN103352623B (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310234570.2A Active CN103352623B (en) | 2013-06-09 | 2013-06-09 | One exempts from two section speed governing floor spring of digging pit |
Country Status (1)
| Country | Link |
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| CN (1) | CN103352623B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168093B (en) * | 2016-08-31 | 2017-12-22 | 宁波市五角阻尼股份有限公司 | A kind of adjustable glass clamp of automatic door-closing speed |
| CN106988637B (en) * | 2017-05-27 | 2018-04-17 | 佛山市南海区松岗浩能五金塑料有限公司 | A kind of two-way closer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2245844A2 (en) * | 1973-04-25 | 1975-11-21 | Milly Lucien | Automatic closure for glass doors - die cast outer casing incorporates steel tube inserts |
| DE2748623A1 (en) * | 1977-10-29 | 1979-05-03 | Ver Glaswerke Gmbh | Hinge fitting for glass panel door - has H profile holding door edge and hinge with closing mechanism |
| US4785493A (en) * | 1983-12-13 | 1988-11-22 | Dorma-Baubeschlag Gmbh & Co. Kg | Door check |
| CN102639805A (en) * | 2009-12-01 | 2012-08-15 | 多玛两合有限公司 | Door closer comprising device for preventing a spring-back |
| CN202483324U (en) * | 2012-01-19 | 2012-10-10 | 绍源育股份有限公司 | Automatic homing mechanism for glass door |
| CN203321162U (en) * | 2013-06-09 | 2013-12-04 | 宁波市五角阻尼科技有限公司 | Trenching-free dual-section speed regulation floor spring |
-
2013
- 2013-06-09 CN CN201310234570.2A patent/CN103352623B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2245844A2 (en) * | 1973-04-25 | 1975-11-21 | Milly Lucien | Automatic closure for glass doors - die cast outer casing incorporates steel tube inserts |
| DE2748623A1 (en) * | 1977-10-29 | 1979-05-03 | Ver Glaswerke Gmbh | Hinge fitting for glass panel door - has H profile holding door edge and hinge with closing mechanism |
| US4785493A (en) * | 1983-12-13 | 1988-11-22 | Dorma-Baubeschlag Gmbh & Co. Kg | Door check |
| CN102639805A (en) * | 2009-12-01 | 2012-08-15 | 多玛两合有限公司 | Door closer comprising device for preventing a spring-back |
| CN202483324U (en) * | 2012-01-19 | 2012-10-10 | 绍源育股份有限公司 | Automatic homing mechanism for glass door |
| CN203321162U (en) * | 2013-06-09 | 2013-12-04 | 宁波市五角阻尼科技有限公司 | Trenching-free dual-section speed regulation floor spring |
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| Publication number | Publication date |
|---|---|
| CN103352623A (en) | 2013-10-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 315000 Zhejiang city of Ningbo province high tech Zone Jinghua Road No. 188 Building 2 room 345 Applicant after: Ningbo Pentagon Damper Corporation Address before: 315000 Zhejiang city of Ningbo province high tech Zone Jinghua Road No. 188 Building 2 room 345 Applicant before: Ningbo Pentagon Damper Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: NINGBO PENTAGON DAMPER TECHNOLOGY CO., LTD. TO: NINGBO PENTAGON DAMPER CORPORATION |
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| CB02 | Change of applicant information |
Address after: 9, 1177, 1, 1, Lingyun Road, 315000 hi tech Zone, Zhejiang, Ningbo Applicant after: Ningbo Pentagon Damper Corporation Address before: 315000 Zhejiang city of Ningbo province high tech Zone Jinghua Road No. 188 Building 2 room 345 Applicant before: Ningbo Pentagon Damper Corporation |
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