CN102979987B - Reciprocating sliding block with unidirectional damping - Google Patents
Reciprocating sliding block with unidirectional damping Download PDFInfo
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- CN102979987B CN102979987B CN201210569116.8A CN201210569116A CN102979987B CN 102979987 B CN102979987 B CN 102979987B CN 201210569116 A CN201210569116 A CN 201210569116A CN 102979987 B CN102979987 B CN 102979987B
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Abstract
The invention discloses a reciprocating sliding block with unidirectional damping. A barrel is arranged between an upper round cover and a lower bottom; four truncated cone-shaped radial pressing blocks uniformly distributed along the circumference are sleeved on the barrel; radial springs and guide holes are uniformly distributed between the barrel and each of the radial pressing blocks; guide screws are arranged in the guide holes; barrel-shaped wedge-caulking sleeves with breaking joints on the circumferences are sleeved on the outer circumferences of the radial pressing blocks; the inner circumferential surfaces of the wedge-caulking sleeves are conical surfaces; semi-cylindrical grooves with axial lines parallel to the conical surfaces are uniformly distributed in the conical surface-shaped inner circumferential surfaces of the wedge-caulking sleeves; balls are arranged in the grooves; axial guide holes are uniformly distributed in the upper end surfaces of the wedge-caulking sleeves; guide rods and springs are inserted into the axial guide holes; and a sliding block handle is connected at the lower part of the lower bottom. According to the reciprocating sliding block, the barrel on the lower bottom, the radial pressing blocks, the wedge-caulking sleeves, the connected radial springs, the radial guide screws and the balls form a unidirectional damping mechanism, and the unidirectional damping mechanism can enable the sliding block to have smaller resistance force when sliding in one direction and have larger resistance force when sliding in the other direction in the reciprocating movement process.
Description
Technical field
The present invention relates to a kind of at vertical tubular slideway, the slide block in slide-block mechanism, particularly a kind of in vertical tubular slideway, slide-block mechanism the unidirectional damping mechanism of slide block.
Background technique
In some machinery, have slideway, slide-block mechanism, slideway, slide-block mechanism are for limiting the range of movement of reciprocating moving element.In slideway, slide-block mechanism, there are tubular slideway, slide-block mechanism.Tubular slideway, slide-block mechanism have tubular slideway, the short cylindrical slide block that has profile to match with the cavity shape of tubular slideway in tubular slideway, and slide block has slide block handle.Tubular slideway can be pipe slideway or square tube slideway, can be also special pipe slideway.
In some operating mode, require slide block in vertical tubular slideway resistance when sliding towards a direction less, and slide block while sliding to another way resistance larger, slide block slide block in to-and-fro motion can produce unidirectional damping.
In prior art, the unidirectional damping to-and-fro motion slide block in vertical tubular slideway not, the larger working condition requirement of resistance in the time of can not meeting when vertical tubular slideway inner slide slides towards a direction resistance and slide to another way compared with little and slide block.
Summary of the invention
The object of the invention is in order to overcome above-mentioned deficiency, propose a kind of unidirectional damping to-and-fro motion slide block of the working condition requirement that resistance is larger can meet when vertical tubular slideway inner slide slides towards direction resistance and slide to another way compared with little and slide block time.
The present invention is achieved using the following method.
Scheme of the invention of the present invention is: unidirectional damping to-and-fro motion slide block have the sheet shape of matching with the shape of tubular slideway inner chamber upper cover and go to the bottom, upper cover and go to the bottom between have the unidirectional damping mechanism matching with the shape of tubular slideway inner chamber.
For the unidirectional damping to-and-fro motion slide block sliding in pipe slideway, there is the upper cover of the disc of axis on same straight line and go to the bottom, that goes to the bottom is connected with axis above and the cylinder of the axis of the disk of going to the bottom on same straight line, the cylinder upper end of top cap on going to the bottom, upper cover and go to the bottom between cylinder on cover have and along circumference, be divided into the cylindrical shape briquetting radially of four, radially the outer peripheral surface of briquetting is to go to the bottom greatly, the conical surface that upper base is little, cylinder on going to the bottom and radially have radial spring between briquetting, cylinder on going to the bottom with radially between briquetting, have the radially-directed hole communicating, in radially-directed hole on cylinder on going to the bottom, there is internal thread, in the radially-directed hole communicating, there is the guider screw in the radially-directed hole on the cylinder being spun on going to the bottom, radially the excircle cover of briquetting has
On circumference, there is the cylindrical shape wedging cover that disconnects seam, the height of wedging cover is less than the radially height of briquetting, the conical surface that inner peripheral surface is with radially the outer peripheral surface of briquetting matches of wedging cover, on the conical surface shape inner peripheral surface of wedging cover, be evenly equipped with the axis half-cylindrical groove parallel with conical surface, in groove, there is the ball being tight against between briquetting radially and wedging cover, wedging puts end face and is evenly equipped with axially directed hole, the aperture in axially directed hole is embedded with the cylindrical axial guide sleeve that can slide in axially directed hole, in axially directed hole, be inserted with guide rod, between guide rod and guide sleeve, between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover, there is respectively axle spring, below going to the bottom, be connected with slide block handle.
For the unidirectional damping to-and-fro motion slide block sliding in square tube slideway, there are upper cover and the square shape sheet of the disc of axis on same straight line to go to the bottom, that goes to the bottom is connected with axis above and the square tube of the axis of the square piece of going to the bottom on same straight line, the square tube upper end of top cap on going to the bottom, upper cover and go to the bottom between square tube on cover have and along surrounding, be divided into the square tube shape briquetting radially of four, radially the urceolus face of briquetting is to go to the bottom greatly, the rectangular pyramid face that upper base is little, square tube on going to the bottom and radially have radial spring between briquetting, square tube on going to the bottom with radially between briquetting, have the radially-directed hole communicating, in the radially-directed hole communicating, there is the guider screw in the radially-directed hole in the square tube being spun on going to the bottom, radially the urceolus surface cover of briquetting has periphery to have the square tube shape wedging cover that disconnects seam, the height of wedging cover is less than the radially height of briquetting, the rectangular pyramid face that inner core face is with radially the urceolus face of briquetting matches of wedging cover, on the rectangular pyramid face shape inner core face of wedging cover, be evenly equipped with the axis half-cylindrical groove parallel with rectangular pyramid face, in groove, there is the ball being tight against between briquetting radially and wedging cover, wedging puts end face and is evenly equipped with axially directed hole, the aperture in axially directed hole is embedded with the cylindrical axial guide sleeve that can slide in axially directed hole, in axially directed hole, be inserted with guide rod, between guide rod and guide sleeve, between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover, there is respectively axle spring, below going to the bottom, be connected with slide block handle.
For the unidirectional damping to-and-fro motion slide block sliding in the pipe slideway standing, in use, slide block is arranged in the pipe slideway standing that the external diameter of internal diameter and wedging cover matches, slide block handle is connected with the moving element in machinery.
Radially briquetting of the present invention is enclosed within on the cylinder on going to the bottom, cylinder on going to the bottom and radially have radial spring between briquetting, radially briquetting can produce radial force because being subject to the radial force of spring because cylindrical shape radially briquetting along circumference, be divided into four, when being subject to radial force, external diameter increases.
The height of wedging cover is less than the radially height of briquetting, the inner peripheral surface of wedging cover and the radially outer peripheral surface of briquetting are the conical surfaces large, upper base is little of going to the bottom matching, wedging cover can be in the radially upper and lower slip of excircle of briquetting, and the spring between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover makes wedging cover be subject to dropping on the power of going to the bottom above.
On the conical surface shape inner peripheral surface of wedging cover, be evenly equipped with the axis half-cylindrical groove parallel with conical surface, in groove, there is the ball being tight against between briquetting radially and wedging cover, the radial force of above-mentioned radially briquetting acts on wedging by ball and puts, and makes wedging cover also be subject to radial force.
Because wedging cover is subject to radial force, on the circumference of wedging cover, there is the seam of disconnection, when the lower end surface of wedging cover is supported
In the time of on go to the bottom, wedging cover has maximum external diameter, and in the time of above the lower end surface of wedging cover is being gone to the bottom above, the external diameter that wedging is overlapped is less than above-mentioned maximum outside diameter.
Under the fixed working condition of pipe slideway standing, when the present invention moves upward, wedging cover moves downward, to the lower end surface of wedging cover be against go to the bottom above time, wedging cover has maximum outside diameter, now the present invention in pipe slideway during upward sliding resistance larger; When the present invention moves downward, wedging cover moves upward, the lower end surface of wedging cover leave go to the bottom above, the external diameter of wedging cover is less than above-mentioned maximum outside diameter, now the present invention in pipe slideway during upward sliding resistance less.
Under the fixed working condition of slide block, when pipe slideway moves downward, wedging cover moves downward, to the lower end surface of wedging cover be against go to the bottom above time, wedging cover has maximum outside diameter, now the present invention in pipe slideway during upward sliding resistance larger; When pipe slideway moves upward, wedging cover moves upward, the lower end surface of wedging cover leave go to the bottom above, the external diameter of wedging cover is less than above-mentioned maximum outside diameter, now the present invention in pipe slideway during upward sliding resistance less.
For the unidirectional damping to-and-fro motion slide block sliding in the square tube slideway standing, identical with the slip effect of the above-mentioned unidirectional damping to-and-fro motion slide block sliding in the pipe slideway standing
The present invention go to the bottom vertical tube above, radially briquetting and wedging cover and the radial spring, radially-directed screw and the ball that are connected have formed unidirectional damping mechanism, unidirectional damping mechanism can make slide block in tubular slideway during to-and-fro motion, while sliding towards a direction, resistance is less, and while sliding to another way, resistance is larger.
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is according to the principal section schematic diagram of a kind of unidirectional damping to-and-fro motion slide block of scheme of the invention proposition of the present invention;
Fig. 2 is the A-A generalized section of Fig. 1;
Fig. 3 is the external peripheral surface decorative pattern schematic diagram of wedging cover;
Fig. 4 be Fig. 1 by axis, split schematic diagram;
Fig. 5 is the B-B cross-sectional schematic of Fig. 4;
Fig. 6 is the E-E cross-sectional schematic of Fig. 4;
Fig. 7 is the D-D generalized section in Fig. 4;
Fig. 8 is the C-C cross-sectional schematic of Fig. 4;
Fig. 9 is the A-A generalized section of Fig. 1 of the unidirectional damping to-and-fro motion slide block of slip in square tube slideway;
Figure 10 is the B-B cross-sectional schematic of Fig. 4 of the unidirectional damping to-and-fro motion slide block of slip in square tube slideway;
Figure 11 is the E-E cross-sectional schematic of Fig. 4 of the unidirectional damping to-and-fro motion slide block of slip in square tube slideway;
Figure 12 is the D-D generalized section of Fig. 4 of the unidirectional damping to-and-fro motion slide block of slip in square tube slideway;
Figure 13 is the C-C cross-sectional schematic of Fig. 4 of the unidirectional damping to-and-fro motion slide block of slip in square tube slideway.
Embodiment
In Fig. 1 ~ Fig. 8, for the unidirectional damping to-and-fro motion slide block sliding in pipe slideway, there is the upper cover 1 of the disc of axis on same straight line and go to the bottom 2, that goes to the bottom is connected with axis above and the cylinder 3 of the axis of the disk of going to the bottom on same straight line, upper cover screw 4 is connected in the cylinder upper end on going to the bottom, upper cover and go to the bottom between cylinder on cover have and along circumference, be divided into the cylindrical shape briquetting 5 radially of four, radially the outer peripheral surface of briquetting is to go to the bottom greatly, the conical surface 6 that upper base is little, on the circumference of the cylinder on going to the bottom and briquetting radially, be evenly equipped with the radially-directed hole 7 communicating, in radially-directed hole on cylinder on going to the bottom, there is internal thread, in radially-directed hole, there is the guider screw 9 in the radially-directed hole on the cylinder being spun on going to the bottom, radially the inner circumference of briquetting is evenly equipped with radial spring hole 8, in radial spring hole, there are cylinder on going to the bottom and the radially butterfly spring 10 between briquetting radially, radial spring and go to the bottom on cylinder between have block 11, radially the excircle cover of briquetting has cylindrical shape wedging cover 12, on wedging cover circumference, be evenly equipped with thin segment 13 everywhere, wherein place's thin segment is to disconnect seam 14, the height of wedging cover is less than the radially height of briquetting, the conical surface 15 that inner peripheral surface is with radially the outer peripheral surface of briquetting matches of wedging cover, on the conical surface shape inner peripheral surface of wedging cover, be evenly equipped with the axis half-cylindrical groove 16 parallel with conical surface, in groove, there is the ball 17 being tight against between briquetting radially and wedging cover, wedging puts end face and is evenly equipped with axially directed hole 18, the aperture in axially directed hole is embedded with the cylindrical axial guide sleeve 19 that can slide in axially directed hole, in axially directed hole, be inserted with guide rod 20, between guide rod and guide sleeve, between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover, there is respectively axle spring 21, 22, the outer peripheral surface of wedging cover has decorative pattern 23, upper cover and the center of going to the bottom are connected with axostylus axostyle 24, the axostylus axostyle lower end of going to the bottom is below connected with slide block handle 25.
Fig. 1, in Fig. 9 ~ Figure 13, for the unidirectional damping to-and-fro motion slide block sliding in square tube slideway, there are the upper cover 26 of the disc of axis on same straight line and square shape sheet to go to the bottom 27, that goes to the bottom is connected with axis above and the square tube 28 of the axis of the square piece of going to the bottom on same straight line, the square tube upper end of top cap on going to the bottom, upper cover and go to the bottom between square tube on cover have and along surrounding, be divided into the square tube shape briquetting 29 radially of four, radially the urceolus face of briquetting is to go to the bottom greatly, the rectangular pyramid face 30 that upper base is little, square tube on going to the bottom and radially have radial spring 31 between briquetting, square tube on going to the bottom with radially between briquetting, have the radially-directed hole 32 communicating, in radially-directed hole in square tube on going to the bottom, there is internal thread, in the radially-directed hole communicating, there is the guider screw 33 in the radially-directed hole in the square tube being spun on going to the bottom, radially the urceolus surface cover of briquetting has periphery to have two square tube shape wedging covers 35 that disconnect seam 34, the height of wedging cover is less than the radially height of briquetting, the rectangular pyramid face that inner core face is with radially the urceolus face of briquetting matches of wedging cover, on the rectangular pyramid face shape inner core face of wedging cover, be evenly equipped with the axis half-cylindrical groove 36 parallel with rectangular pyramid face, in groove, there is the ball 17 being tight against between briquetting radially and wedging cover, wedging puts end face and is evenly equipped with axially directed hole 18, the aperture in axially directed hole is embedded with the cylindrical axial guide sleeve 19 that can slide in axially directed hole, in axially directed hole, be inserted with guide rod 20, between guide rod and guide sleeve, between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover, there is respectively axle spring 21, 22, the outer peripheral surface of wedging cover has decorative pattern 23, upper cover and the center of going to the bottom are connected with axostylus axostyle 24, being connected with below of going to the bottom is connected with slide block handle 25 below.
The sheet shape upper cover of the above-mentioned unidirectional damping to-and-fro motion slide block sliding in pipe slideway or square tube slideway and to go to the bottom be disc or square shape sheet, the vertical tube on going to the bottom accordingly, radially briquetting, wedging cover are respectively cylindrical shape or square tube shape.If working condition requirement slideway is cross section while being the special pipe of pentagon, Hexagon or other shape, be easy to be equal to by scheme of the invention proposition of the present invention the scheme of replacement, the upper cover of special pipe unidirectional damping to-and-fro motion slide block is corresponding Special-shaped sheet with going to the bottom, vertical tube on going to the bottom is special shape tube, and radially briquetting and wedging cover are all special shape tubes.
In order to reduce the abrasion between unidirectional damping to-and-fro motion slide block and slideway, on wedging cover outer peripheral surface, can be inlaid with wear-resisting nonmetallic material.
In Fig. 1, Fig. 4, Figure 13, on wedging cover outer circumferential face, be inlaid with and there is the wear-resisting nonmetallic material ring 37 that disconnects seam.Wear-resisting nonmetallic material ring can be polytetrafluoroethylene ring, rubber ring, asbestos rubber ring or asbestos ring.
Claims (10)
1. a unidirectional damping to-and-fro motion slide block, it is characterized in that: have the upper cover of the disc of axis on same straight line and go to the bottom, that goes to the bottom is connected with axis above and the cylinder of the axis of the disk of going to the bottom on same straight line, the cylinder upper end of top cap on going to the bottom, upper cover and go to the bottom between cylinder on cover have and along circumference, be divided into the cylindrical shape briquetting radially of four, radially the outer peripheral surface of briquetting is to go to the bottom greatly, the conical surface that upper base is little, cylinder on going to the bottom and radially have radial spring between briquetting, cylinder on going to the bottom with radially between briquetting, have the radially-directed hole communicating, in radially-directed hole on cylinder on going to the bottom, there is internal thread, in the radially-directed hole communicating, there is the guider screw in the radially-directed hole on the cylinder being spun on going to the bottom, radially the excircle cover of briquetting has on circumference has and disconnects the cylindrical shape wedging cover stitching, the height of wedging cover is less than the radially height of briquetting, the conical surface that inner peripheral surface is with radially the outer peripheral surface of briquetting matches of wedging cover, on the conical surface shape inner peripheral surface of wedging cover, be evenly equipped with the axis half-cylindrical groove parallel with conical surface, in groove, there is the ball being tight against between briquetting radially and wedging cover, wedging puts end face and is evenly equipped with axially directed hole, the aperture in axially directed hole is embedded with the cylindrical axial guide sleeve that can slide in axially directed hole, in axially directed hole, be inserted with guide rod, between guide rod and guide sleeve, between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover, there is respectively axle spring, below going to the bottom, be connected with slide block handle.
2. a unidirectional damping to-and-fro motion slide block, it is characterized in that: have the upper cover of the square shape sheet of axis on same straight line and go to the bottom, that goes to the bottom is connected with axis above and the square tube of the axis of the square piece of going to the bottom on same straight line, the square tube upper end of top cap on going to the bottom, upper cover and go to the bottom between square tube on cover have and along surrounding, be divided into the square tube shape briquetting radially of four, radially the urceolus face of briquetting is to go to the bottom greatly, the rectangular pyramid face that upper base is little, square tube on going to the bottom and radially have radial spring between briquetting, square tube on going to the bottom with radially between briquetting, have the radially-directed hole communicating, in radially-directed hole in square tube on going to the bottom, there is internal thread, in the radially-directed hole communicating, there is the guider screw in the radially-directed hole in the square tube being spun on going to the bottom, radially the urceolus surface cover of briquetting has periphery to have the square tube shape wedging cover that disconnects seam, the height of wedging cover is less than the radially height of briquetting, the rectangular pyramid face that inner core face is with radially the urceolus face of briquetting matches of wedging cover, on the rectangular pyramid face shape inner core face of wedging cover, be evenly equipped with the axis half-cylindrical groove parallel with rectangular pyramid face, in groove, there is the ball being tight against between briquetting radially and wedging cover, wedging puts end face and is evenly equipped with axially directed hole, the aperture in axially directed hole is embedded with the cylindrical axial guide sleeve that can slide in axially directed hole, in axially directed hole, be inserted with guide rod, between guide rod and guide sleeve, between at the bottom of the hole in the axially directed hole of guide sleeve and wedging cover, there is respectively axle spring, below going to the bottom, be connected with slide block handle.
3. by the unidirectional damping to-and-fro motion slide block described in claim 1 or 2, it is characterized in that: described radial spring is helical spring.
4. by the unidirectional damping to-and-fro motion slide block described in claim 1 or 2, it is characterized in that: described radial spring is butterfly spring.
5. by unidirectional damping to-and-fro motion slide block claimed in claim 4, it is characterized in that: described butterfly spring with go to the bottom on tin between have block.
6. by the unidirectional damping to-and-fro motion slide block described in claim 1,2 or 5, it is characterized in that: on described wedging cover outer circumferential face, have decorative pattern.
7. by the unidirectional damping to-and-fro motion slide block described in claim 1,2 or 5, it is characterized in that: on described wedging cover outer circumferential face, be inlaid with wear-resisting nonmetallic material ring or piece.
8. by unidirectional damping to-and-fro motion slide block claimed in claim 3, it is characterized in that: on described wedging cover outer circumferential face, have decorative pattern.
9. by unidirectional damping to-and-fro motion slide block claimed in claim 4, it is characterized in that: on described wedging cover outer circumferential face, have decorative pattern.
10. by unidirectional damping to-and-fro motion slide block claimed in claim 3, it is characterized in that: on described wedging cover outer circumferential face, be inlaid with wear-resisting nonmetallic material ring or piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569116.8A CN102979987B (en) | 2012-12-25 | 2012-12-25 | Reciprocating sliding block with unidirectional damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569116.8A CN102979987B (en) | 2012-12-25 | 2012-12-25 | Reciprocating sliding block with unidirectional damping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102979987A CN102979987A (en) | 2013-03-20 |
| CN102979987B true CN102979987B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210569116.8A Active CN102979987B (en) | 2012-12-25 | 2012-12-25 | Reciprocating sliding block with unidirectional damping |
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| CN (1) | CN102979987B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109323078B (en) * | 2018-10-10 | 2020-10-20 | 山西一立科技有限公司 | Sewage transmission pipe leak source inspection plugging device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2334855C3 (en) * | 1973-07-09 | 1978-04-06 | Crw Chemierohrwerk Ing. Prochaska Gmbh & Co Kg, 8901 Rehling | Test closure |
| CN1322249C (en) * | 2004-06-22 | 2007-06-20 | 济南大学 | Friction damper |
| CN201401601Y (en) * | 2009-05-08 | 2010-02-10 | 常州市环球冷却设备有限公司 | Plastic pipe self-tightening choke plug |
| CN202381616U (en) * | 2011-12-15 | 2012-08-15 | 陈亦乐 | One-way damper |
| CN202972373U (en) * | 2012-12-25 | 2013-06-05 | 铁岭长天机电有限责任公司 | Unidirectional-damping reciprocating slider |
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Inventor after: Zhu Xicheng Inventor after: Li Bo Inventor after: Li Zhiyou Inventor after: Zhang Jianwei Inventor after: Wang Fucheng Inventor after: Cui Yuge Inventor after: Qin Xinfeng Inventor before: Shang Zunwei Inventor before: Zhang Jianwei Inventor before: Wang Fucheng Inventor before: Cui Yuge Inventor before: Qin Xinfeng |
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Free format text: CORRECT: INVENTOR; FROM: SHANG ZUNWEI ZHANG JIANWEI WANG FUCHENG CUI YUGE QIN XINFENG TO: ZHU XICHENG LI BO LI ZHIYOU ZHANG JIANWEI WANG FUCHENG CUI YUGE QIN XINFENG |
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