CN1190606C - Regulatable casing of spiral spring - Google Patents
Regulatable casing of spiral spring Download PDFInfo
- Publication number
- CN1190606C CN1190606C CNB011024593A CN01102459A CN1190606C CN 1190606 C CN1190606 C CN 1190606C CN B011024593 A CNB011024593 A CN B011024593A CN 01102459 A CN01102459 A CN 01102459A CN 1190606 C CN1190606 C CN 1190606C
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Abstract
The present invention discloses an adjustable shell body device for a spiral spring, which can adjust and change the spring coefficient of a spiral spring. The spring coefficient is a load required by the unit deformation of the spring. The device is composed of a shell body and a rotary body 30, wherein the shell body is composed of a male shell body 10 and a female shell body 20; one end of the spiral spring 40 is fixedly arranged on a fixing seat 201 in the center of the bottom of the female shell body 20, and the other end is positioned inside the male shell body 10; a plurality of blocking bodies 301 of the outer diameter or inner diameter of the rotary body 30 are in contact with a plain line 401 of the spiral spring 40. When the rotary body 30 rotates, effective coils of the spiral spring by compression force or tension force can be changed. Consequently, the spring coefficient can be changed so as to meet different requirements of different machine equipment.
Description
Technical field
The present invention relates to mechanical, be particularly related to a kind of regulatable casing of spiral spring, refer to that especially a kind of two housings and solid of rotation of utilizing insert helical spring wherein, can be required with user's machinery equipment, and the helical spring coefficient of modulation, to reach the elasticity requirement of use.
Background technique
Common helical spring spring constant its specification when manufacturing is just definite, and drawing tension or the compressive force required because of various machines are not quite similar, so different helical spring specifications is arranged; Under same-handed spring specification and unit deformation condition, when the helical spring number of active coils is few more, its spring constant is big more, required drawing tension and compressive force are big more, when the helical spring number of active coils is many more, then spring constant is more little, and required drawing tension and compressive force are more little; Common helical spring specification is according to the design of the needs of machinery equipment, and the size of modulation spring constant arbitrarily, has reduced the elasticity of its use.
Summary of the invention
The purpose of this invention is to provide a kind of regulatable casing of spiral spring, make required that helical spring can be with the machinery equipment of using, and the helical spring spring constant of modulation, to reach the elasticity requirement when using; Its principle is to change helical spring effective number of coils of power or drawing tension by compression, just can reach the purpose of the helical spring spring constant of change, and making it has the different drawing tensions or the ability of compressive force of bearing in the unit deformation amount;
For reaching above-mentioned purpose, the present invention is by the following technical solutions: include public housing, parent shell and solid of rotation, parent shell bottom centre wherein is provided with fixed base, the male and female housing is formed a housing, and helical spring one end is fixed in fixed base, and the other end is placed on public enclosure interior, solid of rotation is a hollow article, between the male and female housing, public housing external diameter is slightly less than the solid of rotation internal diameter, and the solid of rotation external diameter is slightly less than the parent shell internal diameter; Or public housing internal diameter is slightly larger than the solid of rotation external diameter, and the solid of rotation internal diameter is slightly larger than the parent shell external diameter, and this solid of rotation internal diameter appropriate location is provided with several resistance bodies and contacts with helical spring plain line, for adjusting helical spring spring constant size.
The invention has the advantages that: during use, rotate solid of rotation and just can change helical spring effective spring constant of power or drawing tension by compression, reached the purpose of adjusting helical spring spring constant, can use helical spring spring constant and change arbitrarily with institute's requirement of use machinery equipment.
Description of drawings:
Fig. 1 is the sectional view of first embodiment of the invention.
Fig. 2 is the right elevation of view shown in Figure 1.
Fig. 3 is the sectional view of second embodiment of the invention.
Fig. 4 is the right elevation of view shown in Figure 3.
Fig. 5 is the sectional view of third embodiment of the invention.
Fig. 6 is the right elevation of view shown in Figure 5.
Fig. 7 is the sectional view of fourth embodiment of the invention.
Fig. 8 is the right elevation of view shown in Figure 7.
Fig. 9 is the sectional view of fifth embodiment of the invention.
Figure 10 is the right elevation of view shown in Figure 9.
Figure 11 is the sectional view of sixth embodiment of the invention.
Figure 12 is the right elevation of view shown in Figure 11.
Figure 13 is the sectional view of seventh embodiment of the invention.
Figure 14 is the right elevation of view shown in Figure 13.
Figure 15 is the sectional view of eighth embodiment of the invention.
Figure 16 is the right elevation of view shown in Figure 15.
Figure 17 is the sectional view of ninth embodiment of the invention.
Figure 18 is the right elevation of view shown in Figure 17.
Figure 19 is the sectional view of tenth embodiment of the invention.
Figure 20 is the right elevation of view shown in Figure 19.
Figure 21 is the sectional view of eleventh embodiment of the invention.
Figure 22 is the right elevation of view shown in Figure 21.
Figure 23 is the sectional view of twelveth embodiment of the invention.
Figure 24 is the right elevation of view shown in Figure 23.
Figure 25 is the sectional view of thriteenth embodiment of the invention.
Figure 26 is the right elevation of view shown in Figure 25.
Figure 27 is the sectional view of fourteenth embodiment of the invention.
Figure 28 is the right elevation of view shown in Figure 27.
Figure 29 is the sectional view of fifteenth embodiment of the invention.
Figure 30 is the right elevation of view shown in Figure 29.
Figure 31 is the sectional view of sixteenth embodiment of the invention.
Figure 32 is the right elevation of view shown in Figure 31.
Figure 33 is the sectional view of seventeenth embodiment of the invention.
Figure 34 is the right elevation of view shown in Figure 33.
Figure 35 is the sectional view of eighteenth embodiment of the invention.
Figure 36 is the right elevation of view shown in Figure 35.
Figure 37 is the sectional view of nineteenth embodiment of the invention.
Figure 38 is the right elevation of view shown in Figure 37.
Figure 39 is the sectional view of twentieth embodiment of the invention.
Figure 40 is the right elevation of view shown in Figure 39.
Figure 41 is the sectional view of 21st embodiment of the invention.
Figure 42 is the right elevation of view shown in Figure 41.
Figure 43 is the sectional view of 22nd embodiment of the invention.
Figure 44 is the right elevation of view shown in Figure 43.
Figure 45 is the sectional view of 23th embodiment of the invention.
Figure 46 is the right elevation of view shown in Figure 45.
Figure 47 is the sectional view of 24th embodiment of the invention.
Figure 48 is the right elevation of view shown in Figure 47.
Embodiment:
As accompanying drawing 1 to shown in Figure 8, the present invention is by public affairs, parent shell 10,20 and solid of rotation 30 form, the present invention is required according to its user's machinery equipment, can produce different spring constant sizes, wherein parent shell 20 bottom centre are provided with fixed base 201, and solid of rotation 30 is a hollow article, between public affairs, female two housings 10, between 20, its internal diameter appropriate location is provided with a plurality of resistance bodies 301, these public affairs housing 10 external diameters are slightly less than solid of rotation 30 internal diameters, and solid of rotation 30 external diameters are slightly less than parent shell 20 external diameters, also can be designed to public housing 10 internal diameters and be slightly larger than solid of rotation 30 external diameters, and solid of rotation 30 internal diameters are slightly larger than parent shell 20 external diameters, and respectively be provided with the usefulness of corresponding screw thread 50 with the junction point of solid of rotation 30 internal diameters or external diameter as rotational engagement at public housing 10 external diameters or internal diameter, one helical spring, 40 1 ends are installed with fixed base 201 in parent shell 20 bottom centre, the other end then is positioned over public housing 10 inside, and the plain line 401 of helical spring 40 closely contacted with the plural resistance body 301 of solid of rotation 30 internal diameter appropriate locations, when helical spring 40 was subjected to drawing tension or compressive force, parent shell 20 can not produce friction with solid of rotation 30; When public housing 10 external diameters or internal diameter and solid of rotation 30 internal diameters or external diameter in the mode of corresponding screw thread 50 as rotational engagement, when its solid of rotation 30 is prolonging screw thread 50 rotations, solid of rotation 30 with helical spring 40 by compression the direction of power or drawing tension move, when solid of rotation 30 rotated, a plurality of resistance bodies 301 that drive its internal diameter kept in touch the purpose that reaches change helical spring 40 number of active coils along the path of the plain line 401 of helical spring 40 with plain line 401; And the pitch of the external diameter of public housing 10 and solid of rotation 30 or internal diameter equates with the pitch of helical spring 40, the moving pitch that also moves a helical spring 40 once circle of solid of rotation 30 revolutions, also just adjust the number of coils of the helical spring 40 of a circle, also just reached the spring constant of adjusting helical spring 40; Moreover, the present invention can be provided with slide-bar 60 at male and female two housings 10,20 center lines, the one end is fixed on the fixed base 201 of parent shell 20, just interior slide-bar 60 all is fixed on the fixed base 201 of parent shell 20 bottom centre with helical spring 40, and the other end engages one another with the axis hole that establish in public housing 10 bottom centre places with the element of oil sealing 601 or close function.When helical spring 40 was stressed, public housing 10 was fixing, and because of the distortion of adjustable casing of spiral spring, slide-bar 60 moved in parent shell 20 ordered about, and reached helical spring 40 and had only axial distortion.
As accompanying drawing 9 to shown in the accompanying drawing 16, the present invention also can engage one another public housing 10 external diameters or internal diameter with the element that the junction point of solid of rotation 30 internal diameters or external diameter is made as bearing 70 or close function, when solid of rotation 30 rotates, the plural resistance body 301 of solid of rotation 30 internal diameters discharges the helical spring 40 in the spring chamber 402, promote parent shell 20, make the effective number of coils become many and also make whole adjustable casing of spiral spring elongated simultaneously; Otherwise when solid of rotation 30 rotated, the plural resistance body 301 of solid of rotation 30 internal diameters was regained the helical spring in the parent shell 20 40 in the spring chamber 402, the effective number of coils is tailed off simultaneously whole adjustable casing of spiral spring is shortened; Moreover, also can the arrange in pairs or groups center line of male and female two housings 10,20 of the design is provided with slide-bar 60 in, one end and helical spring 40 1 ends all are fixed on the fixed base 201 of parent shell 20 bottom centre, the other end engages one another with the axis hole that establish in public housing 10 bottom centre places with the element of oil sealing 601 or close function, when helical spring 40 is stressed, public housing 10 is fixed, distortion because of adjustable casing of spiral spring, pulley 60 moved in parent shell 20 ordered about, and reached helical spring 40 and had only axial distortion.
As accompanying drawing 17 to figure attached 20 shown in, the present invention also can be made as the internal diameter that is slightly less than public housing 10 with solid of rotation 30 external diameters, and parent shell 20 is only as the usefulness of fixing helical spring 40 and interior slide-bar 60, and do not coat or part coats helical spring 40, its public housing 10 internal diameters and the junction point of solid of rotation 30 external diameters respectively are provided with corresponding screw thread 50 and engage one another as the usefulness of rotational engagement or the element that is made as bearing 70 or close function, and can be in public affairs, female two housings 10,20 center lines are provided with slide-bar 60 in, one end and helical spring 40 1 ends all are fixed on the fixed base 201 of parent shell 20, the other end engages one another with the axis hole that establish in public housing 10 bottom centre places with the element of oil sealing 601 or close function, does axial distortion for helical spring 40.
As accompanying drawing 21 to shown in the accompanying drawing 24, the present invention also can be made as the external diameter that is slightly larger than public housing 10 with solid of rotation 30 internal diameters, and parent shell 20 is only as the usefulness of fixing helical spring 40 and interior slide-bar 60, and do not coat or part coats helical spring 40, its public housing 10 external diameters and the junction point of solid of rotation 30 internal diameters respectively are provided with corresponding screw thread 50 and engage one another as the usefulness of rotational engagement or the element that is made as bearing 70 or close function, and can be in public affairs, female two housings 10,20 center lines are provided with slide-bar 60 in, one end and helical spring 40 1 ends all are fixed on the fixed base 201 of parent shell 20, the other end engages one another with the axis hole that establish in public housing 10 bottom centre places with the element of oil sealing 601 or close function, does axial distortion for helical spring 40.
The present invention is except that the said structure combination, other has the combination of following different structure, extremely shown in Figure 32 as Figure 25, the present invention is by public affairs, female two housings 10,20 and solid of rotation 30 form, wherein parent shell 20 internal diameters are slightly larger than public housing 10 external diameters or are made as parent shell 20 external diameters and are slightly less than public housing 10 internal diameters, these parent shell 20 bottom centre are provided with fixed base 201, for being installed with helical spring 40 1 ends, the other end then is positioned over public housing 10 inside, and public housing 10 bottom centre place also is provided with hole, put for solid of rotation 30, this solid of rotation 30 is a hollow article, its external diameter appropriate location is provided with plural resistance body 301 and contacts with the plain line 401 of helical spring 40, for the spring constant size of adjusting helical spring 40; Hole internal diameter at public housing 10 bottom centre place respectively is provided with the usefulness of corresponding screw thread 50 as rotational engagement with the junction point of solid of rotation 30 external diameters, and when helical spring 30 was subjected to drawing tension or compressive force, parent shell 20 can not produce friction with public housing 10; When the junction point of the hole internal diameter at public housing 10 bottom centre place and solid of rotation 30 external diameters in the mode of corresponding screw thread 50 as rotational engagement, when its solid of rotation 30 rotates along screw thread 50, solid of rotation 30 with helical spring 40 by compression the direction of power or drawing tension move, when solid of rotation 30 rotated, a plurality of resistance bodies 301 that drive its external diameter kept in touch the purpose that reaches change helical spring 40 number of active coils along the path of the plain line 401 of helical spring 40 with plain line 401; And hole 102 internal diameters at public housing 10 bottom centre place and the tooth pitch of solid of rotation 30 external diameters equate with the pitch of helical spring 40, the moving pitch that also moves a helical spring 40 once circle of solid of rotation 30 revolutions, also just adjust the number of coils of the helical spring 40 of a circle, also just reach the spring constant of adjusting helical spring 40; Moreover, the present invention can insert slide-bar 60 in solid of rotation 30, interior slide-bar 60 1 ends are fixed on the fixed base 201 of parent shell 20, and the other end engages one another with the element that solid of rotation 30 interior ends are provided with oil sealing 302 or close function, does axial distortion for helical spring.
As accompanying drawing 33 to shown in the accompanying drawing 40, the present invention also can engage one another the hole internal diameter at public housing 10 bottom centre place with the element that the junction point of solid of rotation 30 external diameters is made as bearing 70 or close function, when solid of rotation 30 rotates, helical spring 40 is by discharging in the spring chamber 402, promote parent shell 20, make external form elongated; Also can insert slide-bar 60 in solid of rotation 30, interior slide-bar 60 1 ends are fixed on the fixed base 201 of parent shell 20, and the other end engages one another with the element that solid of rotation 30 interior ends are provided with oil sealing 302 or close function, does axial distortion for helical spring.
Moreover, as accompanying drawing 41 to shown in the accompanying drawing 44, the present invention also can with parent shell 20 only as fixing helical spring 40 and in the usefulness of slide-bar 60, and do not coat or part coats helical spring 40; And public housing 10 is only as the usefulness that engages with solid of rotation 30, and do not coat or partly coat helical spring 40; The hole internal diameter at its public housing 10 bottom centre place and the junction point of solid of rotation 30 external diameters, being provided with corresponding screw thread 50 engages one another as the usefulness of rotational engagement or the element that is made as bearing 70 or close function, and in solid of rotation 30, insert slide-bar 60 in, interior slide-bar 60 1 ends are fixed on the fixed base 201 of parent shell 20, the other end engages one another with the element that solid of rotation 30 interior ends are provided with oil sealing 302 or close function, does axial distortion for helical spring.
To shown in the accompanying drawing 48, the present invention also can only utilize a public housing 10 and a solid of rotation 30 to make drawing tension as accompanying drawing 45, and these public affairs housing 10 internal diameters are slightly larger than solid of rotation 30 external diameters, also can establish public housing 10 external diameters and be slightly less than solid of rotation 30 internal diameters.Helical spring 40 1 ends are installed with hook, and the other end then is closely against public housing 10 bottoms, and helical spring 40 is extruded in spring chamber 402, and when solid of rotation 30 rotated, helical spring 40 was discharged by spring chamber 402; Otherwise when solid of rotation 30 rotated, helical spring 40 was squeezed in the spring chamber 402.
In sum, regulatable casing of spiral spring of the present invention, by male and female housing and solid of rotation, can be with user's machinery equipment required, and the helical spring spring constant of modulation is to reach the elasticity requirement when using.
Claims (14)
1, a kind of regulatable casing of spiral spring is characterized in that: include housing, solid of rotation, its middle shell is made up of male and female two housings, and parent shell bottom centre is provided with fixed base, for being installed with helical spring one end; Solid of rotation is a hollow, between male and female two housings, public housing external diameter is slightly less than the solid of rotation internal diameter, and the solid of rotation external diameter is slightly less than the parent shell internal diameter or public housing internal diameter is slightly larger than the solid of rotation external diameter, and the solid of rotation internal diameter is slightly larger than the parent shell external diameter, this solid of rotation internal diameter appropriate location is provided with plural resistance body and contacts with helical spring plain line, for adjusting helical spring spring constant size.
2, according to the described a kind of regulatable casing of spiral spring of claim 1, it is characterized in that: public housing external diameter or internal diameter respectively are provided with the usefulness of corresponding screw thread as rotational engagement with the junction point of solid of rotation internal diameter or external diameter, when solid of rotation rotates, produce and be subjected to drawing tension with helical spring or compressive force is equidirectional moves, simultaneously also just change helical spring number of active coils, also just reach and adjust helical spring spring constant.
3, according to the described a kind of regulatable casing of spiral spring of claim 1, it is characterized in that: public housing external diameter or internal diameter respectively are provided with the usefulness of corresponding screw thread as rotational engagement with the junction point of solid of rotation internal diameter or external diameter, when solid of rotation rotates, produce and be subjected to drawing tension with helical spring or compressive force is equidirectional moves, also just change simultaneously helical spring number of active coils, also just reach and adjust helical spring spring constant, and it is public, female two housing center lines also can be provided with slide-bar in, the one end is fixed on the fixed base of parent shell, the other end engages one another with the set axis hole in the element of oil sealing or close function and public housing bottom center, does axial distortion for helical spring.
4, according to the described a kind of regulatable casing of spiral spring of claim 1, it is characterized in that: public housing external diameter or internal diameter engage one another with the element that the junction point of solid of rotation internal diameter or external diameter also can be made as bearing or close function, when solid of rotation rotates, helical spring is by discharging in the spring chamber, promote parent shell, make profile elongated.
5, according to the described a kind of regulatable casing of spiral spring of claim 1, it is characterized in that: public housing external diameter or internal diameter engage one another with the element that the junction point of solid of rotation internal diameter or external diameter also can be made as bearing or close function, and slide-bar in is set at male and female two housing center lines, the one end is fixed on the fixed base of parent shell, the other end engages one another with the set axis hole in the element of oil sealing or close function and public housing bottom center, does axial distortion for helical spring.
6, according to the described a kind of regulatable casing of spiral spring of claim 1, it is characterized in that: the solid of rotation internal diameter is made as the external diameter that is slightly larger than public housing, and parent shell is only as the usefulness of fixing helical spring and interior slide-bar, and do not coat or part coats helical spring, its public housing external diameter respectively is provided with the usefulness of corresponding screw thread as rotational engagement with the junction point of solid of rotation internal diameter, and can be in public affairs, female two housing center lines are provided with slide-bar in, the one end is fixed on the fixed base of parent shell, the other end engages one another with the set axis hole in the element of oil sealing or close function and public housing bottom center, does axial distortion for helical spring.
7, according to the described a kind of regulatable casing of spiral spring of claim 1, it is characterized in that: the solid of rotation internal diameter is made as the external diameter that is slightly larger than public housing, and parent shell is only as the usefulness of fixing helical spring and interior slide-bar, and do not coat or part coats helical spring, its public housing external diameter engages one another with the element that the junction point of solid of rotation internal diameter also can be made as bearing or close function, and can be in public affairs, female two housing center lines are provided with slide-bar in, the one end is fixed on the fixed base of parent shell, the other end engages one another with the set axis hole in the element of oil sealing or close function and public housing bottom center, does axial distortion for helical spring.
8, a kind of regulatable casing of spiral spring, it is characterized in that: include housing, solid of rotation, wherein, housing is made up of male and female two housings, and the parent shell internal diameter is slightly larger than public housing external diameter, or is set as and makes the parent shell external diameter for being slightly less than public housing internal diameter, and be provided with fixed base in bottom centre, supply to be installed with helical spring one end, and its bottom centre place of public housing is provided with hole, puts for a solid of rotation; Solid of rotation is a hollow, inserts in the hole of public housing, and its external diameter appropriate location is provided with plural resistance body and contacts with helical spring plain line, for adjusting helical spring spring constant size.
9, according to the described a kind of regulatable casing of spiral spring of claim 8, it is characterized in that: the hole internal diameter of public housing bottom center respectively is provided with the usefulness of corresponding screw thread as rotational engagement with the junction point of solid of rotation external diameter, when solid of rotation rotates, produce and be subjected to drawing tension with helical spring or compressive force is equidirectional moves, simultaneously also just change helical spring number of active coils, also just reach and adjust helical spring spring constant.
10, according to the described a kind of regulatable casing of spiral spring of claim 8, it is characterized in that: the hole internal diameter of public housing bottom center respectively is provided with the usefulness of corresponding screw thread as rotational engagement with the junction point of solid of rotation external diameter, and insert slide-bar at a rotating body, interior slide-bar one end is fixed on the fixed base of parent shell, the oil sealing that the other end and a rotating body one end are provided with or the element of close function engage one another, and do axial distortion for helical spring.
11, according to the described a kind of regulatable casing of spiral spring of claim 8, it is characterized in that: the hole internal diameter of public housing bottom center engages one another with the element that the junction point of solid of rotation external diameter also can be made as bearing or close function, when solid of rotation rotates, helical spring is by discharging in the spring chamber, promote a housing, make external form elongated.
12, according to the described a kind of regulatable casing of spiral spring of claim 8, it is characterized in that: the hole internal diameter of public housing bottom center engages one another with the element that the junction point of solid of rotation external diameter also can be made as bearing or close function, and insert slide-bar at a rotating body, interior slide-bar one end is fixed on the fixed base of parent shell, the oil sealing that the other end and a rotating body one end are provided with or the element of close function engage one another, and do axial distortion for helical spring.
13, according to the described a kind of regulatable casing of spiral spring of claim 8, it is characterized in that: parent shell is only as the usefulness of fixing helical spring and interior slide-bar, and do not coat or part coats helical spring, and public housing is only as the usefulness that engages with solid of rotation, and do not coat or part coats helical spring, the hole internal diameter of its public housing bottom center respectively is provided with the usefulness of corresponding screw thread as rotational engagement with the junction point of solid of rotation external diameter, and can insert slide-bar at a rotating body, interior slide-bar one end is fixed on the fixed base of parent shell, the oil sealing that the other end and a rotating body one end are provided with or the element of close function engage one another, and do axial distortion for helical spring.
14. according to the described a kind of regulatable casing of spiral spring of claim 8, it is characterized in that: parent shell is only as the usefulness of fixing helical spring and interior slide-bar, and do not coat helical spring, and public housing is only as the usefulness that engages with solid of rotation, and do not coat or part coats helical spring, the hole internal diameter at its public housing bottom center engages one another with the element that the junction point of solid of rotation external diameter also can be made as bearing or close function, and can insert slide-bar at a rotating body, interior slide-bar one end is fixed on the fixed base of parent shell, the oil sealing that the other end and a rotating body one end are provided with or the element of close function engage one another, and do axial distortion for helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011024593A CN1190606C (en) | 2001-02-06 | 2001-02-06 | Regulatable casing of spiral spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011024593A CN1190606C (en) | 2001-02-06 | 2001-02-06 | Regulatable casing of spiral spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1368609A CN1368609A (en) | 2002-09-11 |
| CN1190606C true CN1190606C (en) | 2005-02-23 |
Family
ID=4652737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011024593A Expired - Fee Related CN1190606C (en) | 2001-02-06 | 2001-02-06 | Regulatable casing of spiral spring |
Country Status (1)
| Country | Link |
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| CN (1) | CN1190606C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10332637A1 (en) * | 2003-07-18 | 2005-02-03 | Andreas Stihl Ag & Co. Kg | Anti-vibration element |
| CN100480535C (en) * | 2004-07-30 | 2009-04-22 | 周政明 | Adjustable helical spring type adjustment method and device |
| CN103256329B (en) * | 2012-09-07 | 2015-03-11 | 广东正美家具科技有限公司 | Spring retracting device capable of adjusting spiral pressure spring length |
| CN103256330B (en) * | 2012-09-13 | 2015-03-18 | 广东正美家具科技有限公司 | Spring adjustable in elastic rigidity |
| CN103256331B (en) * | 2012-09-13 | 2015-03-11 | 广东正美家具科技有限公司 | Pressure spring adjustable in elastic rigidity |
| CN103256327B (en) * | 2012-10-19 | 2015-03-18 | 广东正美家具科技有限公司 | Elasticity-adjustable nonlinear pressure spring unit |
| EP3730322B1 (en) * | 2019-04-24 | 2022-12-14 | Ningbo Geely Automobile Research & Development Co. Ltd. | Wheel suspension arrangement |
| CN110715007A (en) * | 2019-10-17 | 2020-01-21 | 河海大学常州校区 | Variable-turn-number shock absorber for robot moving platform |
| CN113865094B (en) * | 2020-06-30 | 2022-12-13 | 青岛经济技术开发区海尔热水器有限公司 | Water inlet and outlet mechanism for electric water heater and electric water heater |
| CN114087783B (en) * | 2020-07-29 | 2023-04-18 | 青岛经济技术开发区海尔热水器有限公司 | Energy storage type electric water heater |
| CN112695911A (en) * | 2020-12-18 | 2021-04-23 | 中铁大桥局集团有限公司 | Self-adaptive variable-rigidity tuned mass damper |
-
2001
- 2001-02-06 CN CNB011024593A patent/CN1190606C/en not_active Expired - Fee Related
Also Published As
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| CN1368609A (en) | 2002-09-11 |
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Granted publication date: 20050223 |