CN108613692B - Quick pressing device for experiment table - Google Patents
Quick pressing device for experiment table Download PDFInfo
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- CN108613692B CN108613692B CN201810377098.0A CN201810377098A CN108613692B CN 108613692 B CN108613692 B CN 108613692B CN 201810377098 A CN201810377098 A CN 201810377098A CN 108613692 B CN108613692 B CN 108613692B
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- pressing
- connecting column
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- block
- cam
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/16—Elements for restraining, or preventing the movement of, parts, e.g. for zeroising
- G01D11/18—Springs
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a rapid pressing device for a laboratory bench, which consists of a connecting column, a pressing cam, a connecting ring, a pressing seat, a clamping block, a pressing frame, a pre-tightening spring and a return spring, wherein the connecting column is fixedly connected with the pressing cam; the beneficial technical effects of the invention are as follows: the rapid pressing device for the experiment table is simple in structure, simple and convenient to install and disassemble, and convenient and rapid to adjust and operate.
Description
Technical Field
The invention relates to a table top pressing technology, in particular to a rapid pressing device for a laboratory table.
Background
The existing experiment table is generally provided with a pressing device for pressing a sample; the conventional pressing device is poor in operation convenience, cannot adapt to the thickness change of a sample quickly, and is complex in structure and inconvenient to mount and dismount.
Disclosure of Invention
Aiming at the problems in the background art, the invention provides a rapid pressing device for a laboratory bench, which is characterized in that: the rapid pressing device for the experiment table consists of a connecting column, a pressing cam, a connecting ring, a pressing seat, a clamping block, a pressing frame, a pre-tightening spring and a return spring; the axial direction of the connecting column is vertical to the operating surface, and the lower end of the connecting column is fixed on the operating surface; the upper end of the connecting column is provided with a clamping head, the outer surface of the upper part of the connecting column is provided with two groups of limiting teeth, a plurality of first fan-shaped teeth governed by a single group of limiting teeth are distributed at equal intervals along the axial direction of the connecting column, the two groups of limiting teeth are symmetrically distributed along the circumferential direction of the connecting column, and the central angle corresponding to a single first fan-shaped tooth is 90 degrees;
two groups of positioning teeth are arranged on the inner hole wall of the connecting ring; a plurality of second fan-shaped teeth governed by a single group of positioning teeth are distributed at equal intervals along the axial direction of the connecting ring, the central angle corresponding to a single second fan-shaped tooth is 70 degrees, and two groups of positioning teeth are symmetrically distributed along the circumferential direction of the connecting ring; the limiting teeth and the positioning teeth meet the meshing relationship, and the connecting ring is sleeved on the connecting column; when the limiting teeth are meshed with the positioning teeth, the relative positions of the connecting ring and the connecting column in the axial direction are locked, when the limiting teeth and the positioning teeth are staggered, the connecting ring can axially slide along the connecting column, and the chuck can prevent the connecting ring from sliding out of the upper end of the connecting column;
the pressing seat consists of a pressing head, a connecting plate and a connecting block; the axial direction of the connecting plate is parallel to the operating surface, a through hole matched with the connecting column is formed in the middle of the connecting plate, the middle of the connecting column is sleeved in the through hole, and the connecting ring is positioned above the pressing seat; the pressure head is connected with the left end of the connecting plate, and the height of the lower end face of the pressure head is lower than that of the lower side face of the connecting plate; the connecting block is connected with the right end of the connecting plate, and the height of the lower end face of the connecting block is lower than that of the lower end face of the pressure head; the outer side surface of the connecting block is provided with a connecting groove, and the bottom surface of the connecting groove is provided with a convex latch;
one end of the compression cam is a cam end, and the other end of the compression cam is a handle end; the cam end is provided with an installation groove, the connecting ring is positioned in the installation groove, and the height of the lower side edge of the cam end is lower than that of the lower end of the connecting ring; the pressing cam is rotationally connected with the connecting ring, and a rotating shaft of the pressing cam is axially vertical to the connecting ring;
the pre-tightening spring is sleeved on the connecting column, the upper end of the pre-tightening spring is in contact with the lower side surface of the connecting plate, the lower end of the pre-tightening spring is fixedly connected with the connecting column, and the pre-tightening spring is in a compressed state;
the fixture block is arranged in the connecting groove, a plurality of clamping grooves matched with the clamping teeth are formed in the inner side surface of the fixture block, the clamping grooves are distributed along the axial direction of the fixture block, and the outer side surface of the fixture block is flush with the outer side surface of the connecting block;
the pressing frame is of a U-shaped structure, the connecting block is sleeved in an inner cavity of the pressing frame, and the connecting groove is opposite to the bottom of the pressing frame; the pressure frame is rotationally connected with the connecting block, the reset spring is arranged at the rotating position of the pressure frame and the connecting block, and the reset spring can tightly support the pressure frame on the connecting block.
Before compression, the compression cam is in a loose state (the handle end of the compression cam is tilted upwards), the limiting teeth and the positioning teeth are staggered, and the connecting ring can move up and down along the axial direction of the connecting column; when the pressing cam is used for pressing the lower side edge of the pressing cam, the pressing cam is transversely rotated to enable the limiting teeth to be meshed with the positioning teeth, the handle end of the pressing cam is pressed downwards, and the object is pressed tightly on the operating surface under the action of the cam end.
During installation, the device is connected with the operation surface through the lower end of the connecting column, and the installation and disassembly operations are very simple (external threads can be directly arranged on the lower end of the connecting column, and the connecting column is fixed on the operation surface in a threaded connection mode); when the thickness of the pressed object changes, the applicable thickness of the device can be changed only by simply adjusting the positions of the pressing seat and the clamping block, and the adjusting operation is convenient and quick.
The beneficial technical effects of the invention are as follows: the rapid pressing device for the experiment table is simple in structure, simple and convenient to install and disassemble, and convenient and rapid to adjust and operate.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is an exploded view of the structure of the present invention;
FIG. 4 is a state diagram of the use of the present invention;
FIG. 5, a top view of the present invention (with the connecting column cut away);
the names corresponding to each mark in the figure are respectively: the device comprises a connecting column 1, a clamping head 1-1, limiting teeth 1-2, a pressing cam 2, a connecting ring 3, positioning teeth 3-1, a pressing seat 4, a pressing head 4-1, a connecting plate 4-2, a connecting block 4-3, a connecting groove 4-4, clamping teeth 4-5, a clamping block 5, a clamping groove 5-1, a pressing frame 6, a pre-tightening spring 7 and a return spring 8.
Detailed Description
The utility model provides a quick hold-down device for laboratory bench which characterized in that: the rapid pressing device for the experiment table consists of a connecting column 1, a pressing cam 2, a connecting ring 3, a pressing seat 4, a clamping block 5, a pressing frame 6, a pre-tightening spring 7 and a return spring 8; the axial direction of the connecting column 1 is vertical to the operating surface, and the lower end of the connecting column 1 is fixed on the operating surface; the upper end of the connecting column 1 is provided with a clamping head 1-1, the outer surface of the upper part of the connecting column 1 is provided with two groups of limiting teeth 1-2, a plurality of first fan-shaped teeth governed by a single group of limiting teeth 1-2 are distributed at equal intervals along the axial direction of the connecting column 1, the two groups of limiting teeth 1-2 are symmetrically distributed along the circumferential direction of the connecting column 1, and the central angle corresponding to the single first fan-shaped tooth is 90 degrees;
two groups of positioning teeth 3-1 are arranged on the inner hole wall of the connecting ring 3; a plurality of second fan-shaped teeth governed by a single group of positioning teeth 3-1 are distributed at equal intervals along the axial direction of the connecting ring 3, the central angle corresponding to a single second fan-shaped tooth is 70 degrees, and two groups of positioning teeth 3-1 are symmetrically distributed along the circumferential direction of the connecting ring 3; the limiting teeth 1-2 and the positioning teeth 3-1 meet the meshing relationship, and the connecting ring 3 is sleeved on the connecting column 1; when the limiting teeth 1-2 are meshed with the positioning teeth 3-1, the relative positions of the connecting ring 3 and the connecting column 1 in the axial direction are locked, when the limiting teeth 1-2 are staggered with the positioning teeth 3-1, the connecting ring 3 can axially slide along the connecting column 1, and the chuck 1-1 can prevent the connecting ring 3 from sliding out of the upper end of the connecting column 1;
the pressing seat 4 consists of a pressing head 4-1, a connecting plate 4-2 and a connecting block 4-3; the axial direction of the connecting plate 4-2 is parallel to the operating surface, a through hole matched with the connecting column 1 is formed in the middle of the connecting plate 4-2, the middle of the connecting column 1 is sleeved in the through hole, and the connecting ring 3 is positioned above the pressing seat 4; the pressure head 4-1 is connected with the left end of the connecting plate 4-2, and the height of the lower end face of the pressure head 4-1 is lower than that of the lower side face of the connecting plate 4-2; the connecting block 4-3 is connected with the right end of the connecting plate 4-2, and the height of the lower end face of the connecting block 4-3 is lower than that of the lower end face of the pressure head 4-1; the outer side surface of the connecting block 4-3 is provided with a connecting groove 4-4, and the bottom surface of the connecting groove 4-4 is provided with a convex latch 4-5;
one end of the compression cam 2 is a cam end, and the other end of the compression cam 2 is a handle end; the cam end is provided with an installation groove, the connecting ring 3 is positioned in the installation groove, and the height of the lower side edge of the cam end is lower than that of the lower end of the connecting ring 3; the compression cam 2 is rotationally connected with the connecting ring 3, and a rotating shaft of the compression cam 2 is axially vertical to the connecting ring 3;
the pre-tightening spring 7 is sleeved on the connecting column 1, the upper end of the pre-tightening spring 7 is in contact with the lower side surface of the connecting plate 4-2, the lower end of the pre-tightening spring 7 is fixedly connected with the connecting column 1, and the pre-tightening spring 7 is in a compressed state;
the fixture block 5 is arranged in the connecting groove 4-4, a plurality of clamping grooves 5-1 matched with the clamping teeth 4-5 are formed in the inner side face of the fixture block 5, the clamping grooves 5-1 are distributed along the axial direction of the fixture block 5, and the outer side face of the fixture block 5 is flush with the outer side face of the connecting block 4-3;
the pressing frame 6 is of a U-shaped structure, the connecting block 4-3 is sleeved in an inner cavity of the pressing frame 6, and the connecting groove 4-4 is opposite to the bottom of the pressing frame 6; the pressing frame 6 is rotatably connected with the connecting block 4-3, the reset spring 8 is arranged at the rotating position of the pressing frame 6 and the connecting block 4-3, and the reset spring 8 can tightly support the pressing frame 6 on the connecting block 4-3.
Claims (1)
1. The utility model provides a quick hold-down device for laboratory bench which characterized in that: the rapid pressing device for the experiment table consists of a connecting column (1), a pressing cam (2), a connecting ring (3), a pressing seat (4), a clamping block (5), a pressing frame (6), a pre-tightening spring (7) and a return spring (8); the axial direction of the connecting column (1) is vertical to the operating surface, and the lower end of the connecting column (1) is fixed on the operating surface; the upper end of the connecting column (1) is provided with a clamping head (1-1), the outer surface of the upper part of the connecting column (1) is provided with two groups of limiting teeth (1-2), a plurality of first fan-shaped teeth governed by a single group of limiting teeth (1-2) are distributed at equal intervals along the axial direction of the connecting column (1), the two groups of limiting teeth (1-2) are symmetrically distributed along the circumferential direction of the connecting column (1), and the central angle corresponding to a single first fan-shaped tooth is 90 degrees;
two groups of positioning teeth (3-1) are arranged on the inner hole wall of the connecting ring (3); a plurality of second fan-shaped teeth governed by a single group of positioning teeth (3-1) are distributed at equal intervals along the axial direction of the connecting ring (3), the central angle corresponding to a single second fan-shaped tooth is 70 degrees, and the two groups of positioning teeth (3-1) are symmetrically distributed along the circumferential direction of the connecting ring (3); the limiting teeth (1-2) and the positioning teeth (3-1) meet the meshing relationship, and the connecting ring (3) is sleeved on the connecting column (1); when the limiting teeth (1-2) are meshed with the positioning teeth (3-1), the relative positions of the connecting ring (3) and the connecting column (1) in the axial direction are locked, when the limiting teeth (1-2) and the positioning teeth (3-1) are staggered, the connecting ring (3) can axially slide along the connecting column (1), and the chuck (1-1) can prevent the connecting ring (3) from sliding out of the upper end of the connecting column (1);
the pressing seat (4) consists of a pressing head (4-1), a connecting plate (4-2) and a connecting block (4-3); the axial direction of the connecting plate (4-2) is parallel to the operating surface, a through hole matched with the connecting column (1) is formed in the middle of the connecting plate (4-2), the middle of the connecting column (1) is sleeved in the through hole, and the connecting ring (3) is positioned above the pressing seat (4); the pressure head (4-1) is connected with the left end of the connecting plate (4-2), and the height of the lower end face of the pressure head (4-1) is lower than that of the lower side face of the connecting plate (4-2); the connecting block (4-3) is connected with the right end of the connecting plate (4-2), and the height of the lower end face of the connecting block (4-3) is lower than that of the lower end face of the pressure head (4-1); a connecting groove (4-4) is arranged on the outer side surface of the connecting block (4-3), and a convex latch (4-5) is arranged on the bottom surface of the connecting groove (4-4);
one end of the compression cam (2) is a cam end, and the other end of the compression cam (2) is a handle end; the cam end is provided with an installation groove, the connecting ring (3) is positioned in the installation groove, and the height of the lower side edge of the cam end is lower than that of the lower end of the connecting ring (3); the compression cam (2) is rotationally connected with the connecting ring (3), and the rotating shaft of the compression cam (2) is axially vertical to the connecting ring (3);
the pre-tightening spring (7) is sleeved on the connecting column (1), the upper end of the pre-tightening spring (7) is in contact with the lower side face of the connecting plate (4-2), the lower end of the pre-tightening spring (7) is fixedly connected with the connecting column (1), and the pre-tightening spring (7) is in a compressed state;
the clamping block (5) is arranged in the connecting groove (4-4), a plurality of clamping grooves (5-1) matched with the clamping teeth (4-5) are formed in the inner side surface of the clamping block (5), the clamping grooves (5-1) are distributed along the axial direction of the clamping block (5), and the outer side surface of the clamping block (5) is flush with the outer side surface of the connecting block (4-3);
the pressing frame (6) is of a U-shaped structure, the connecting block (4-3) is sleeved in an inner cavity of the pressing frame (6), and the connecting groove (4-4) is opposite to the bottom of the pressing frame (6); the pressing frame (6) is rotatably connected with the connecting block (4-3), the reset spring (8) is arranged at the rotating position of the pressing frame (6) and the connecting block (4-3), and the reset spring (8) can tightly support the pressing frame (6) on the connecting block (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377098.0A CN108613692B (en) | 2018-04-25 | 2018-04-25 | Quick pressing device for experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377098.0A CN108613692B (en) | 2018-04-25 | 2018-04-25 | Quick pressing device for experiment table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613692A CN108613692A (en) | 2018-10-02 |
| CN108613692B true CN108613692B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810377098.0A Active CN108613692B (en) | 2018-04-25 | 2018-04-25 | Quick pressing device for experiment table |
Country Status (1)
| Country | Link |
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| CN (1) | CN108613692B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406566B (en) * | 2021-12-04 | 2024-02-09 | 中船动力研究院有限公司 | Compressing device |
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| CN202804975U (en) * | 2012-09-07 | 2013-03-20 | 苏州市职业大学 | Rapid clamping vise |
| CN203076942U (en) * | 2012-12-29 | 2013-07-24 | 上海沃迪自动化装备股份有限公司 | Device capable of fast pressing |
| CN203236369U (en) * | 2013-04-28 | 2013-10-16 | 北京航天光华电子技术有限公司 | Fast-clamping clamping flange |
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| CN205363281U (en) * | 2015-10-27 | 2016-07-06 | 重庆市永川区植成家俱厂 | Drive formula anchor clamps that float |
| CN205630363U (en) * | 2016-04-24 | 2016-10-12 | 刘金娥 | A manual rapid clamping device for weaving |
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| CN107009292A (en) * | 2017-06-02 | 2017-08-04 | 泰尔重工股份有限公司 | A kind of fast fixture for frock |
| CN107268257A (en) * | 2017-07-24 | 2017-10-20 | 浙江正辉纺织有限公司 | A kind of cloth hold-down mechanism |
| CN206627130U (en) * | 2017-03-10 | 2017-11-10 | 哈尔滨理工大学 | It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted |
| CN206653307U (en) * | 2017-03-31 | 2017-11-21 | 徐晓伟 | A kind of Workpiece clamping device |
-
2018
- 2018-04-25 CN CN201810377098.0A patent/CN108613692B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2794732Y (en) * | 2004-10-22 | 2006-07-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Quick clamp loading mechanism |
| CN202804975U (en) * | 2012-09-07 | 2013-03-20 | 苏州市职业大学 | Rapid clamping vise |
| CN203076942U (en) * | 2012-12-29 | 2013-07-24 | 上海沃迪自动化装备股份有限公司 | Device capable of fast pressing |
| CN203236369U (en) * | 2013-04-28 | 2013-10-16 | 北京航天光华电子技术有限公司 | Fast-clamping clamping flange |
| CN203343927U (en) * | 2013-06-27 | 2013-12-18 | 杭州大和热磁电子有限公司 | Rapid clamping component |
| CN103659655A (en) * | 2013-11-26 | 2014-03-26 | 重庆舰帏机械有限公司 | Clamping device with cam |
| CN203665109U (en) * | 2013-12-04 | 2014-06-25 | 重庆市南川区盖石生态农业有限责任公司 | Fast clamping mechanism with cam |
| CN205363281U (en) * | 2015-10-27 | 2016-07-06 | 重庆市永川区植成家俱厂 | Drive formula anchor clamps that float |
| CN205630363U (en) * | 2016-04-24 | 2016-10-12 | 刘金娥 | A manual rapid clamping device for weaving |
| CN205989188U (en) * | 2016-07-05 | 2017-03-01 | 湖南普云智能科技股份有限公司 | A kind of clamping device |
| CN206627130U (en) * | 2017-03-10 | 2017-11-10 | 哈尔滨理工大学 | It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted |
| CN206653307U (en) * | 2017-03-31 | 2017-11-21 | 徐晓伟 | A kind of Workpiece clamping device |
| CN107009292A (en) * | 2017-06-02 | 2017-08-04 | 泰尔重工股份有限公司 | A kind of fast fixture for frock |
| CN107268257A (en) * | 2017-07-24 | 2017-10-20 | 浙江正辉纺织有限公司 | A kind of cloth hold-down mechanism |
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| Publication number | Publication date |
|---|---|
| CN108613692A (en) | 2018-10-02 |
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