CN102672822B - Spring die-closing bolt - Google Patents
Spring die-closing bolt Download PDFInfo
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- CN102672822B CN102672822B CN 201210177896 CN201210177896A CN102672822B CN 102672822 B CN102672822 B CN 102672822B CN 201210177896 CN201210177896 CN 201210177896 CN 201210177896 A CN201210177896 A CN 201210177896A CN 102672822 B CN102672822 B CN 102672822B
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- lower spring
- spring
- lining
- bolt
- spring lining
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Abstract
The invention relates to a spring die-closing bolt. The spring die-closing bolt comprises a closing bolt, an upper spring gasket, a spring, a lower spring bushing, a pedestal, a nut and a nut pedestal. The innovation points are that an axial limit is formed on a rod section of the closing bolt; a lower spring bushing limit projection matched with the axial limit is formed on the inner surface of the lower spring bushing; and the lower spring bushing limit projection is connected with the lower spring bushing through a detachable connecting structure. The lower spring bushing limit projection is matched with the axial limit of the closing bolt, so the axial limit of the lower spring bushing is realized. When the spring is broken or the closing bolt is worn and the like caused by long-time use, the lower spring bushing limit projection can be disassembled through the detachable structure, namely the lower spring bushing, the spring, the upper spring gasket and the closing bolt can be detached and the damaged parts are exchanged correspondingly, so integrated rejection is avoided and resources and using cost are saved. The detachable connecting structure is compact and has low manufacturing cost.
Description
Technical field
The present invention relates to a kind of bolt, particularly a kind of spring die bolt.
Background technology
The spring die bolt is widely used in the matched moulds manufacturing of the concrete products such as pile tube, electric pole, drainpipe.Traditional spring die bolt includes the assemblies such as screw rod, spring, upper spring seat, lower spring cup, and it utilizes the screw rod lower shaft to be connected cooperation with lower spring cup by the lesser calorie spring to spacing preiection when assembling, realizes the axial limiting of lower spring cup.The shortcoming of this kind structure is: can't dismantle after assembling, if there is an assembly to damage, needs integral body to cut off and scrap, not only increase the cost of enterprise, also cause the waste of resource.
Number of patent application 201110381776.9 discloses a kind of Decomposable type spring die assembling bolt at present, it comprises the assemblies such as screw rod, upper spring seat, spring, lower spring cup, top board, lower platen, fixed block, latch, be set with successively upper spring seat, spring and lower spring cup near the nut end on screw rod, lower spring cup is comprised of the two halves sheet, the step surface that inner chamber after its combination has the axial limiting projection that props up the screw rod bottom, after the combination of two halves sheet lower spring cup, the upper and lower pressing plate of recycling and stove bolt are fixedly clamped, and lower platen is welded on the upper matchboard of mould.Though this kind combining structure after can opening upper and lower pressing plate disassembles two halves sheet lower spring cup, each assembly is decomposed, in order to change the accessory that damages, saved to a certain extent cost and resource.But still have certain shortcoming: increased several parts, manufacturing cost raises, and material consumption is corresponding increase also, and the market competitiveness is poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide the dismountable spring die bolt of a kind of each parts, can replacing corresponding to damaged location, reduce costs and resource consumption, and compact conformation, manufacturing cost.
for solving the problems of the technologies described above, technical scheme of the present invention is: a kind of spring die bolt, comprise the bolt that heals up, the upper spring pad, spring, the lower spring lining, base, nut and nut base, the described bolt that heals up sets gradually the upper spring pad vertically, spring, lower spring lining and nut, described lower spring lining is outward by jump ring or bearing pin firm banking, its innovative point is: on the body of rod section of the described bolt that heals up, axial limiting is set, dismountable lower spring lining spacing preiection is installed on described lower spring lining, this lower spring lining spacing preiection can coordinate with axial limiting lower spring lining spacing that bolt shaft makes progress of healing up.
Further, described dismountable lower spring lining spacing preiection is one or the protruding locating part of above band; The setting of described lower spring sleeve outer surface can chimeric locating part embeded slot, also have the slot that connects inside and outside surface on the lower spring lining; Described locating part embeds in embeded slot, and projection is passed the endoporus that slot stretches into the lower spring lining.
Further, the outer surface of described locating part is the arc that the lower spring sleeve outer surface flushes.
Further, described dismountable lower spring lining spacing preiection is one or above spacing bearing pin, is drilled with the pin shaft hole corresponding with spacer pin number of axle amount on described lower spring lining, and spacing bearing pin penetrates pin shaft hole and protrudes the bore area of lower spring lining; The lower spring lining is set with the bearing pin fixed cover outward; The lower end of described spring props up bearing pin fixed cover end face.
The invention has the advantages that: lower spring lining spacing preiection coordinates with the axial limiting of the bolt that heals up, and realizes the axial limiting of lower spring lining.When long-term use causes damage such as spring breakage or the parts such as screw bolt abrasion that heal up, shed lower spring lining spacing preiection by demountable structure, namely detachably descend lower spring lining, spring, upper spring pad and the bolt that heals up, the parts that corresponding replacing damages, avoid integral body to scrap, economize on resources and use cost.Simultaneously, this structure compact conformation that removably connects, manufacturing cost are lower.
Description of drawings
Fig. 1 is the first embodiment spring die bolt structural representation in the present invention.
Fig. 2 is locating part and the protruding front view of the first embodiment in the present invention.
Fig. 3 is locating part and the convex side view of the first embodiment in the present invention.
Fig. 4 is the lower spring lining outline drawing of the first embodiment in the present invention.
Fig. 5 is the lower spring bush structure schematic diagram of the first embodiment in the present invention.
Fig. 6 is another embodiment spring die bolt structural representation in the present invention.
Fig. 7 is the lower spring bush structure schematic diagram of another embodiment in the present invention.
Fig. 8 is another embodiment bearing pin fixed cover structural representation in the present invention.
The specific embodiment
As shown in Figure 1, comprise the bolt 1 that heals up, upper spring pad 2, spring 3, lower spring lining 5, base 6, bearing pin 7, nut 8.
the above-mentioned bolt 1 that heals up sets gradually upper spring pad 2 from the hexagonal end vertically to rod end, spring 3, lower spring lining 5 and nut 8, upper spring pad 2 props up the hexagonal end of the bolt 1 that heals up and the step surface of rod body part, on the body of rod section of bolt 1 of healing up, axial limiting is set, in the present embodiment, , the body of rod section axial limiting of bolt 1 of healing up is the step surface that is positioned at body of rod smooth section and thread segment intersection, dismountable lower spring lining spacing preiection is installed on lower spring lining 5, it is used for coordinating with axial limiting to lower spring lining 5 spacing on axial of bolt 1 of healing up.Lower spring lining 5 is outer by jump ring or bearing pin 7 firm bankings 6.
In the present embodiment, as shown in Fig. 2,3, dismountable lower spring lining spacing preiection is one or the above locating part 4 of being with projection 41, and in the present embodiment, locating part 4 integral body are circular arc, and quantity is two, and projection 41 is arranged on the inwall of circular arc.
As shown in Fig. 4,5, the 5 circumferential outer surface settings of lower spring lining can chimeric locating part 4 embeded slot, embeded slot quantity is corresponding with locating part 4 quantity, also has the slot 51 that connects inside and outside surface on lower spring lining 5, this slot 51 along lower spring lining 5 radially or approach radially and arrange.After locating part 4 embedded embeded slots, locating part 4 outer surfaces flushed with lower spring lining 5 outer surfaces, and protruding 41 pass in the endoporus that slot stretches into lower spring lining 5.
The lower spring lining spacing preiection of another kind of structure has been shown in Fig. 6, and it is one or above spacing bearing pin 9, in the present embodiment is two.As shown in Figure 7, be drilled with the pin shaft hole 52 corresponding with spacing bearing pin 9 quantity on lower spring lining 5, spacer pin 9 penetrates pin shaft hole 52 and protrudes the bore area of lower spring lining 5.The shape of spacer pin 9 can be the shapes such as circle, rectangle, kidney-shaped, ellipse.
As shown in Figure 8, also be set with a bearing pin fixed cover 10 with step surface outside lower spring lining 5, it is positioned at outside pin shaft hole 52, avoids spacing bearing pin 9 to come off.Spring 3 is arranged between upper spring pad 2 and lower spring lining 5, and the lower end of spring 3 props up bearing pin fixed cover 10 step surfaces.
During use, lower spring lining spacing preiection coordinates with axial limiting lower spring lining 5 spacing on axially of bolt 1 of healing up.And work as spring or screw rod etc. parts damages of healing up after, the lower end of pull-up spring 3 removes lower spring lining spacing preiection, and then dismounting lower lower spring lining 5, spring 3, upper spring pad 2 and the bolt 1 that heals up, and damages the replacing of parts.
Claims (1)
1. spring die bolt, comprise the bolt that heals up, the upper spring pad, spring, the lower spring lining, base, nut and nut base, the described bolt that heals up sets gradually the upper spring pad vertically, spring, lower spring lining and nut, described lower spring lining is outward by jump ring or bearing pin firm banking, it is characterized in that: on the body of rod section of the described bolt that heals up, axial limiting is set, dismountable lower spring lining spacing preiection is installed on described lower spring lining, this lower spring lining spacing preiection can coordinate with axial limiting lower spring lining spacing that bolt shaft makes progress of healing up, described dismountable lower spring lining spacing preiection is one or above spacing bearing pin, is drilled with the pin shaft hole corresponding with spacer pin number of axle amount on described lower spring lining, and spacing bearing pin penetrates pin shaft hole and protrudes the bore area of lower spring lining, the lower spring lining is set with the bearing pin fixed cover outward, the lower end of described spring props up bearing pin fixed cover end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210177896 CN102672822B (en) | 2012-06-01 | 2012-06-01 | Spring die-closing bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210177896 CN102672822B (en) | 2012-06-01 | 2012-06-01 | Spring die-closing bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672822A CN102672822A (en) | 2012-09-19 |
| CN102672822B true CN102672822B (en) | 2013-06-05 |
Family
ID=46805702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210177896 Expired - Fee Related CN102672822B (en) | 2012-06-01 | 2012-06-01 | Spring die-closing bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102672822B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722619B (en) * | 2012-10-12 | 2016-03-30 | 上海中技桩业股份有限公司 | A kind of quickly opening and closing fixture of concrete precast pile punching block |
| CN106840631A (en) * | 2017-02-14 | 2017-06-13 | 宁波职业技术学院 | A kind of spring testing machine |
| CN108223538A (en) * | 2018-02-09 | 2018-06-29 | 嘉兴欣创混凝土制品有限公司 | Spring screws component and assembly and disassembly methods |
| CN108908694B (en) * | 2018-06-29 | 2023-09-01 | 周兆弟 | Steel bar prestress tensioning machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758554A (en) * | 2010-01-07 | 2010-06-30 | 广东三和管桩有限公司 | Tubular pile die screw |
| CN102297190A (en) * | 2010-06-22 | 2011-12-28 | 孙正龙 | Pressure spring type compound die bolt |
| CN202702390U (en) * | 2012-06-01 | 2013-01-30 | 如皋市中正机械有限公司 | Spring compound die bolt |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0854012A (en) * | 1994-08-11 | 1996-02-27 | Tokiwa Eng:Kk | Bolt/nut fastening mechanism |
| KR200454570Y1 (en) * | 2009-04-09 | 2011-07-13 | (주)동화볼트 | Fasteners for molds for pile production |
-
2012
- 2012-06-01 CN CN 201210177896 patent/CN102672822B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758554A (en) * | 2010-01-07 | 2010-06-30 | 广东三和管桩有限公司 | Tubular pile die screw |
| CN102297190A (en) * | 2010-06-22 | 2011-12-28 | 孙正龙 | Pressure spring type compound die bolt |
| CN202702390U (en) * | 2012-06-01 | 2013-01-30 | 如皋市中正机械有限公司 | Spring compound die bolt |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-54012A 1996.02.27 |
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| Publication number | Publication date |
|---|---|
| CN102672822A (en) | 2012-09-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20140601 |