CN111466773A - Constant force sliding connection seat - Google Patents
Constant force sliding connection seat Download PDFInfo
- Publication number
- CN111466773A CN111466773A CN202010348036.4A CN202010348036A CN111466773A CN 111466773 A CN111466773 A CN 111466773A CN 202010348036 A CN202010348036 A CN 202010348036A CN 111466773 A CN111466773 A CN 111466773A
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- CN
- China
- Prior art keywords
- transmission shaft
- base
- fixing seat
- shaft fixing
- seat
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- 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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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00
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- Seats For Vehicles (AREA)
Abstract
The invention discloses a constant force sliding connection seat, relates to a support used as a support on an instrument, in particular to a head of a support; the technical problems that constant force is output in a sliding mode, the structure is simple, and the elastic structure can be replaced in a module mode are solved. The core part of the constant force mechanism is the reducing gear, the arm of force of the spring in the mechanism is unchanged, the load force provided by connected equipment is unchanged, when the position or height of the equipment is changed, the force of the spring and the arm of force of the load force are linearly increased or decreased at the same time, the increased or decreased moment is mutually offset, and the purpose of constant force is achieved. The invention has the advantages of exquisite structure, small volume and light weight, and is used for connecting equipment needing to be touched by hands, equipment needing to be watched by eyes, cosmetic mirrors and the like in daily life.
Description
Technical Field
The present invention relates to a support for an instrument, and more particularly to a head for supporting the support.
Background
In daily life, equipment (such as a socket and a sound box) which needs to be touched by hands, equipment (such as a television and a computer display) which needs to be watched by eyes, a mirror for makeup and the like are mostly fixed in height, and because the required height or position is set for the first time, a support which is connected with the equipment and is fixed on the ground and hung on a wall or a ceiling is mostly not suitable for changing the position for many times, when the height or the position of the equipment is not proper in use, a person needs to keep a certain posture for a long time to achieve better use of the equipment; or some equipment can be lifted, but the operation requires great force, and the operation with great force can reduce the lifting times as much as possible and avoid adjusting the equipment to the most comfortable height each time.
Therefore, if the bracket connected with the equipment is of a constant-force structure, the load force generated by the gravity of the equipment is balanced with the output force of the bracket, the height or the position of the equipment can be adjusted very conveniently, and the equipment can be easily adjusted to the optimal using height or position by people.
Disclosure of Invention
The technical problem to be solved is as follows:
outputting constant force in a sliding mode; the structure is simplified; the spring structure can be exchanged in modular form.
The technical scheme is as follows:
the core part of the constant force mechanism is a reducing gear 01, and the mechanism adopts the following form:
the mechanism comprises a reducing gear 01, a cylindrical gear 02, a transmission shaft 03, a driving rack 13, a base 04, a transmission shaft fixing seat I10, a transmission shaft fixing seat II 11, a connecting seat 14, an elastic friction plate 12 and an elastic mechanism.
The base 04 is provided with a base rack 04-01; the first transmission shaft fixing seat 10 is fixedly connected with the second transmission shaft fixing seat 11, and the driving rack 13 is fixedly connected with the connecting seat 14; the transmission shaft fixing seat I10 can slide up and down along the base 04, the elastic friction plate 12 provides sliding resistance of the transmission shaft fixing seat I10 and the base 04, balances influence of each part in the force as load on the spring, and plays a role in positioning; the connecting seat 14 can slide up and down along the transmission shaft fixing seat I10.
One end of the transmission shaft 03 is fixed with the reducing gear 01, and the other end of the transmission shaft is fixed with the cylindrical gear 02; the transmission shaft 03 is arranged on the first transmission shaft fixing seat 10 and the second transmission shaft fixing seat 11, and the transmission shaft 03 can rotate relative to the first transmission shaft fixing seat 10 and the second transmission shaft fixing seat 11;
the cylindrical gear 02 is meshed with the base rack 04-01, and the driving rack 13 is meshed with the reducing gear 01; the elastic mechanism comprises a push rod 05 and a spring, one end of the spring acts on the base, the other end of the spring acts on the push rod 05, the push rod 05 acts on the transmission shaft 03, and the push rod 05 and the transmission shaft 03 can rotate relatively.
The mounting hole for connecting the bracket is provided on the base 04, and the connecting hole for connecting the device and the adapter is provided on the connecting base 14.
The driving rack 13 moves downwards to drive the reducing gear 01 to rotate, the reducing gear 01 drives the cylindrical gear 02 to rotate through the transmission shaft 03, the cylindrical gear 02 rotates downwards along the base rack 04-01, the axis of the transmission shaft 03 moves downwards, and the spring located below is compressed. The moment arm of the spring is unchanged, the load force of the driving rack 13 is unchanged, the force of the spring and the moment arm of the driving rack 13 are simultaneously linearly increased, the increased moments are mutually offset, and the purpose of constant force is achieved.
The stroke range of the connecting seat (14) relative to the base (04) is limited by limiting the stroke of the second transmission shaft fixing seat (11) through the base (04).
Has the advantages that:
the equipment connected to the invention can move or lift with little force; the position of the equipment can be randomly positioned; a relatively large constant force travel range.
The invention has the advantages of exquisite structure, small volume and light weight, and can be applied to daily life.
Drawings
The invention relates to a constant force sliding connection seat, the specification of which comprises 17 drawings, the drawings of which are described as follows:
FIG. 1 is a general assembly view;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a state diagram when the connecting socket slides to the lowermost end;
FIG. 4 is a schematic illustration of the constant force principle;
fig. 5 is a part view of a reducing gear 01;
fig. 6 is a part view of the spur gear 02;
fig. 7 is a part view of the drive shaft 03;
FIG. 8 is a detail view of the base 04;
FIG. 9 is a detail view of the spring pusher 05;
FIG. 10 is a detail view of the push rod sleeve 06;
FIG. 11 is a detail view of the spring support mount 08;
fig. 12 is a part view of the fixing nut 09;
fig. 13 is a part view of the transmission shaft fixing seat I10;
FIG. 14 is a sectional view of the second transmission shaft fixing seat 11;
FIG. 15 is a detail view of resilient friction plate 12;
FIG. 16 is a detail view of the drive rack 13;
fig. 17 is a detail view of connecting section 14.
Detailed Description
In order to realize the technical solution in the summary of the invention, the following design is selected as a preferred embodiment.
As shown in figure 5, the reducing gear 01 is provided with a reducing gear tooth 01-01, a reducing gear shaft hole 01-02 and a reducing gear key groove 01-03.
As shown in FIG. 6, the cylindrical gear 02 is provided with a cylindrical gear tooth 02-01, a cylindrical gear shaft hole 02-02 and a cylindrical gear key groove 02-03.
Referring to fig. 7, a first shaft neck 03-01, a second shaft neck 03-02, a third shaft neck 03-03 and a transmission shaft key groove 03-04 are arranged on the transmission shaft 03.
As shown in FIG. 8, a base 04 is provided with a base rack 04-01, a base threaded through hole 04-02, a base sliding rail 04-03, an elastic friction plate mounting groove 04-04 and a base threaded blind hole 04-05; wherein the base threaded blind holes 04-05 are used for connecting a supporting or hanging bracket.
As shown in fig. 9, a U-shaped surface 05-01, a spring supporting surface 05-02, a sliding rod 05-03 and a push rod thread blind hole 05-04 are arranged on the push rod 05.
Referring to fig. 10, a semi-cylindrical bearing surface 06-01 is provided on the three U-shaped axle sleeve 06 of the axle journal.
As shown in figure 11, a spring support seat slideway 08-01, a spring support surface II 08-02 and a spring support seat shaft neck 08-03 are arranged on the spring support seat 08.
Referring to fig. 12, the fixing nut 09 is provided with a fixing nut external thread 09-01, a fixing nut outer hexagon 09-02 and a fixing nut shaft hole 09-03.
Referring to fig. 13, a first transmission shaft fixing seat 10 is provided with a shaft neck and shaft sleeve 10-01, a transmission shaft fixing seat and slideway 10-02, a transmission shaft fixing seat and sliding rail 10-03 and a transmission shaft fixing seat and threaded blind hole 10-04.
Referring to fig. 14, a second shaft neck sleeve 11-01 and a second counter bore 11-02 of the transmission shaft fixing seat are arranged on the second transmission shaft fixing seat 11.
Referring to fig. 15, the elastic friction plate 12 is provided with an arcuate surface 12-01.
As shown in fig. 16, a driving rack thread blind hole 13-01 and a driving rack limit boss 13-02 are arranged on the driving rack 13.
As shown in fig. 17, a connecting seat slide 14-01, a connecting seat limiting groove 14-02, a connecting seat counter bore 14-03 and a connecting seat through hole 14-04 are arranged on the connecting seat 14; wherein the connecting socket through hole 14-04 is used for directly connecting the device or connecting a bracket for connecting the device.
Referring to fig. 1, the assembly process of the present embodiment is as follows:
the connecting seat slideway 14-01 is aligned with a sliding rail 10-03 of the transmission shaft fixing seat, and the connecting seat 14 slides in along the sliding rail 10-03 of the transmission shaft fixing seat; the connecting seat slideway 14-01 is in clearance fit with a sliding rail 10-03 of the transmission shaft fixing seat. The upper beam of the transmission shaft fixing seat I10 is placed between two driving rack limiting bosses 13-02 of a driving rack 13, the driving rack limiting bosses 13-02 are aligned to limiting grooves 14-02 of the connecting seat, and the driving rack 13 and the connecting seat 14 are fastened together by using countersunk screws.
Installing an elastic friction plate 12 in an elastic friction plate installation groove 04-04, aligning a slide way 10-02 of a transmission shaft fixing seat with a base slide way 04-03, and sliding the transmission shaft fixing seat I10 in along the base slide way 04-03; a slideway 10-02 of the transmission shaft fixing seat is in clearance fit with a base sliding rail 04-03, and an arched surface 12-01 of the elastic friction plate 12 is in pressure contact with the slideway 10-02 of the transmission shaft fixing seat.
And a key is arranged on the transmission shaft key groove 03-04. According to the figure 4, a reducing gear 01 is aligned with a driving rack 13, a transmission shaft key groove 03-04 is aligned with a reducing gear key groove 01-03, and a shaft neck I03-01 of a transmission shaft 03 penetrates through a reducing gear shaft hole 01-02 and is inserted into a shaft neck I shaft sleeve 10-01 of a transmission shaft fixing seat I10; the first shaft neck 03-01 is in interference fit with the shaft hole 01-02 of the variable diameter gear and is in clearance fit with the first shaft neck shaft sleeve 10-01. According to the figure 4, the cylindrical gear 02 is aligned with the base rack 04-01, the cylindrical gear key groove 02-03 is aligned with the transmission shaft key groove 03-04, the cylindrical gear shaft hole 02-02 is sleeved on the shaft neck II 03-02 of the transmission shaft 03, and the cylindrical gear shaft hole 02-02 is in interference fit with the shaft neck II 03-02. The shaft neck II shaft sleeve 11-01 is aligned to a shaft neck II 03-02, the counter bore 11-02 of the transmission shaft fixing seat II is aligned to the threaded blind hole 10-04 of the transmission shaft fixing seat I, the transmission shaft fixing seat II 11 is sleeved on the shaft neck II 03-02 of the transmission shaft 03, and the transmission shaft fixing seat II 11 and the transmission shaft fixing seat I10 are fastened together by using a countersunk head screw; and the shaft neck II shaft sleeve 11-01 is in clearance fit with the shaft neck II 03-02.
One end of a full-thread long screw is arranged on a push rod thread blind hole 05-04, one end of a spring 07 is arranged on a spring support surface I05-02, the other end of the spring 07 is arranged on a spring support surface II 08-02, a fixing nut shaft hole 09-03 is sleeved on a spring support seat shaft neck 08-03, a large gasket is sleeved from the other end of the full-thread long screw and is screwed in a nut, the large gasket abuts against the fixing nut 09, a spanner is used for rotating the nut on the full-thread long screw to compress the spring 07, and a sliding rod 05-03 is inserted into a spring support seat slideway 08-01; the shaft hole 09-03 of the fixing nut is in clearance fit with the journal 08-03 of the spring support seat, and the sliding rod 05-03 is in clearance fit with the slideway 08-01 of the spring support seat. A shaft neck three U-shaped shaft sleeve 06 is arranged on a U-shaped surface 05-01, a push rod 05 penetrates through a base thread through hole 04-02 from the lower part of a base 04, a nut on a full thread long screw rod is adjusted until a semi-cylindrical supporting surface 06-01 props against a shaft neck three 03-03, a fixing nut external thread 09-01 is contacted with the base thread through hole 04-02, and a fixing nut 09 is fastened with the base 04 by a wrench; the semi-cylindrical bearing surface 06-01 is in clearance fit with the shaft neck III 03-03. And after the fixing nut 09 is fastened, the full-thread long screw and the large gasket-nut on the full-thread long screw are taken down.
Referring to fig. 4, the constant force design idea of the present embodiment is as follows:
the driving rack 13 moves downwards to drive the reducing gear 01 to rotate, the reducing gear 01 drives the cylindrical gear 02 to rotate through the transmission shaft 03, the cylindrical gear 02 rotates downwards along the base rack 04-01, the axis of the transmission shaft 03 moves downwards, and the spring 07 positioned below is compressed.
The moment arm of the spring 07 is the distance between the axis of the transmission shaft 03 and the base rack 04-01, namely the radius r of the cylindrical gear 02, and the moment arm is unchanged. The moment arm of the driving rack 13 is the distance between the meshing point of the driving rack 13 and the reducing gear 01 and the base rack 04-01, namely the moment arm is 2R in the state of fig. 1 and is R + R in the state of fig. 3. From the state of fig. 1 to the state of fig. 3, the design of 270 degrees rotation of the cylindrical gear 02 is adopted in the embodiment, the arm of force of the spring 07 is unchanged, and the spring is bouncedThe force of the spring 07 increases linearly by 1.5 π rk (k is the stiffness coefficient), i.e., the moment increases by 1.5 π r2k; the force of the driving rack 13 is unchanged, the force arm of the driving rack 13 is linearly increased by R-R through the reducing gear 01, namely the moment is increased by F (R-R) (F is the invariable load force acting on the driving rack 13), and when the force arm is 1.5 pi R2When k is F (R-R), the force increased by the spring 07 is offset by the moment arm increased by the reducing gear 01, and the moment of the driving rack 13 is balanced with the moment of the spring 07; in the process from the state of fig. 1 to the state of fig. 3, the force of the spring 07 and the moment arm of the driving rack 13 are simultaneously and linearly increased, so that the constant force condition at one end of the driving rack 13 is met.
Different load forces on the driving rack 13 correspond to the springs 07 with different stiffness coefficients, and the push rod 05, the shaft neck three-U-shaped shaft sleeve 06, the springs 07, the spring supporting seat 08 and the fixing nut 09 can be replaced in a module form.
The elastic friction plate 12 and the transmission shaft fixing seat-slideway 10-02 of the transmission shaft fixing seat-10 have mutual friction action, are used for balancing the influence of each part as a load on the spring 07 in the implementation force and play a positioning role.
In the state of fig. 1, the upper end surface of the second transmission shaft fixing seat 11 is limited by the base 04, and in the state of fig. 3, the lower end surface of the second transmission shaft fixing seat 11 is limited by the base 04.
Claims (4)
1. The utility model provides a constant force sliding connection seat, includes the mounting hole that is used for linking bridge and the connecting hole that is used for jointing equipment, adapter rack, its characterized in that:
the device comprises a reducing gear (01), a cylindrical gear (02), a transmission shaft (03), a driving rack (13), a base (04), a transmission shaft fixing seat I (10), a transmission shaft fixing seat II (11), a connecting seat (14), an elastic friction plate (12) and an elastic mechanism;
a base rack (04-01) is arranged on the base (04); the transmission shaft fixing seat I (10) is fixedly connected with the transmission shaft fixing seat II (11), and the driving rack (13) is fixedly connected with the connecting seat (14); the transmission shaft fixing seat I (10) can slide up and down along the base (04), the elastic friction plate (12) provides sliding resistance between the transmission shaft fixing seat I (10) and the base (04), and the connecting seat (14) can slide up and down along the transmission shaft fixing seat I (10);
one end of the transmission shaft (03) is fixed with the reducing gear (01), and the other end of the transmission shaft is fixed with the cylindrical gear (02);
the transmission shaft (03) is arranged on the transmission shaft fixing seat I (10) and the transmission shaft fixing seat II (11), and the transmission shaft (03) can rotate relative to the transmission shaft fixing seat I (10) and the transmission shaft fixing seat II (11);
the cylindrical gear (02) is meshed with the base rack (04-01), and the driving rack (13) is meshed with the reducing gear (01); the elastic mechanism comprises a push rod (05) and a spring, one end of the spring acts on the base, the other end of the spring acts on the push rod (05), the push rod (05) acts on the transmission shaft (03), and the push rod (05) can rotate relative to the transmission shaft (03);
the mounting hole for connecting the support is formed in the base (04), and the connecting hole for connecting the equipment and the adapter rack is formed in the connecting base (14).
2. A constant force slide connector base according to claim 1, wherein: the elastic mechanism is in a modular design and can be replaced as an independent module.
3. A constant force slide connector base according to claim 2, wherein: the stroke range of the connecting seat (14) relative to the base (04) is limited by limiting the stroke of the second transmission shaft fixing seat (11) through the base (04).
4. A constant force slide connector base according to claim 2, wherein: the stroke range of the connecting seat (14) relative to the base (04) is limited by limiting the stroke of the driving rack (13) through the transmission shaft fixing seat I (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348036.4A CN111466773B (en) | 2020-04-27 | 2020-04-27 | Constant force sliding connection seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348036.4A CN111466773B (en) | 2020-04-27 | 2020-04-27 | Constant force sliding connection seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111466773A true CN111466773A (en) | 2020-07-31 |
| CN111466773B CN111466773B (en) | 2021-08-17 |
Family
ID=71761885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010348036.4A Active CN111466773B (en) | 2020-04-27 | 2020-04-27 | Constant force sliding connection seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111466773B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004237014A (en) * | 2003-02-10 | 2004-08-26 | Kawaguchi Giken Inc | Hanging device |
| CN201944425U (en) * | 2010-11-11 | 2011-08-24 | 扬州华远石油装备有限公司 | Load adjustable device of constant spring branch suspension bracket |
| CN206377427U (en) * | 2017-01-05 | 2017-08-04 | 泰州市创新电子有限公司 | A kind of adjustable force moment lowering or hoisting gear and its display |
| CN109968161A (en) * | 2019-04-30 | 2019-07-05 | 广东利迅达机器人系统股份有限公司 | A kind of constant force real-time control mechanism of belt sander |
| CN209091421U (en) * | 2018-08-31 | 2019-07-12 | 珠海西格医疗设备有限公司 | A kind of dental X-ray apparatus with constant force elevating control |
-
2020
- 2020-04-27 CN CN202010348036.4A patent/CN111466773B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004237014A (en) * | 2003-02-10 | 2004-08-26 | Kawaguchi Giken Inc | Hanging device |
| CN201944425U (en) * | 2010-11-11 | 2011-08-24 | 扬州华远石油装备有限公司 | Load adjustable device of constant spring branch suspension bracket |
| CN206377427U (en) * | 2017-01-05 | 2017-08-04 | 泰州市创新电子有限公司 | A kind of adjustable force moment lowering or hoisting gear and its display |
| CN209091421U (en) * | 2018-08-31 | 2019-07-12 | 珠海西格医疗设备有限公司 | A kind of dental X-ray apparatus with constant force elevating control |
| CN109968161A (en) * | 2019-04-30 | 2019-07-05 | 广东利迅达机器人系统股份有限公司 | A kind of constant force real-time control mechanism of belt sander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111466773B (en) | 2021-08-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210707 Address after: No.108 Jiefang street, Yanchi County, Wuzhong City, Ningxia Hui Autonomous Region, 751500 Applicant after: NINGXIA YANCHI JUHUI COMMERCE AND TRADE Co.,Ltd. Address before: 343000 Hengfeng Garden East Green Protection Technology Co., Ltd., Jizhou District, Ji'an City, Jiangxi Province Applicant before: Lin Junxin |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230628 Address after: 528225 B1, Building 8, Lutang Sanyi Logistics Storage Base, Luocun Village, Shishan Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Nanhai Kechen Electrical Components Co.,Ltd. Address before: No.108 Jiefang street, Yanchi County, Wuzhong City, Ningxia Hui Autonomous Region, 751500 Patentee before: NINGXIA YANCHI JUHUI COMMERCE AND TRADE CO.,LTD. |
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| TR01 | Transfer of patent right |