CN205226133U - Novel cut pipe and structure of pressurization and quick pressure release - Google Patents
Novel cut pipe and structure of pressurization and quick pressure release Download PDFInfo
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- CN205226133U CN205226133U CN201520967711.6U CN201520967711U CN205226133U CN 205226133 U CN205226133 U CN 205226133U CN 201520967711 U CN201520967711 U CN 201520967711U CN 205226133 U CN205226133 U CN 205226133U
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- cut pipe
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Abstract
The utility model discloses a cut off the pipe, it include from last to down feed zone position, cooperation position, seal up the position, the feed zone position divide into the handheld an of portion on upper portion, the feed zone b of lower part, the cooperation position includes the clamping part c on upper portion, the d of external screw thread portion at middle part, the light circle e of portion of lower part, sealed position includes the f of sealing member portion on upper portion, the g of sealing conical face portion of lower part, has a h of transition portion between the two, be provided with packing ring and seal ring on the f of sealing member portion, the g's of sealing conical face portion angle is alpha, and alpha is less than the angle beta rather than the bottom of the hole D on the matched with part, is less than the angle beta of the drill bit of use when boring hole D promptly, center blind hole j follows the up feed zone b of a warp density position, cooperation position arrival feed zone position of bottom. The utility model discloses it enables the shaft coupling and normally transmits power to cut the pipe, also can play overload protection's effect. The utility model also discloses a have this pressurization who cuts the pipe and the structure of quick pressure release.
Description
Technical field
The utility model relates to a kind ofly can realize the part of high pressure sealing and quick pressure releasing and relevant structure thereof.
Background technique
Along with requirement more and more higher to the aspect such as cost efficiency, safety in production in modern Production Activities, the device arranging safety protection class in production link seems and becomes more and more important.Hydraulic safety coupling just belongs to a kind of overload protection arrangement; be mainly used in power transmission link, be arranged between master and slave moving axis, when there is overload conditions; in very short time, make the connection of master and slave moving axis produce depart from, reach the object of protection manufacturing mechanism.Hydraulic safety coupling will possess above-mentioned function, and part cut pipe wherein is then responsible for important effect: both required in normal conditions, keeps the high pressure of the inner oil pocket of coupling, prevents from revealing, makes coupling normal delivery power; Also require when there is overload conditions, the pressure of the inner oil pocket of fast discharging coupling, makes the two ends of coupling unclamp disengaging, plays the effect of overload protection.Because the endoporus requirement on machining accuracy of the coupling band matched with cut pipe is high, and course of working cannot observe, detect, its precision relies on process equipment to ensure completely, therefore easily cause cut pipe and endoporus sealability bad, cannot meet the needs of production.
Model utility content
Problem to be solved in the utility model is to provide a kind of novel cut pipe, and it can meet the high pressure of the inner oil pocket of nominal situation lower seal coupling, makes coupling normal delivery power; Also can meet when there is overload conditions, the pressure of the inner oil pocket of fast discharging coupling, plays the effect of overload protection.The invention also discloses and there is the high pressure sealing of this cut pipe and the structure of quick pressure releasing.
A kind of novel cut pipe of the utility model, it comprises shearing position from top to bottom, matching part, sealing position; Shear position and be divided into the holding part a on top, the cut part b of bottom; Matching part comprises clamping part c, the external thread part d at middle part, the light circle portion e of bottom on top; Sealing position comprises the Sealing portion f on top, the sealing cone portion g of bottom, there is a transition part h between the two; Sealing portion f is provided with packing ring and seal washer, and the angle of sealing cone portion g is the angle beta bottom α, α are less than on the part that matches with it endoporus D, is namely less than the angle beta of the drill bit used when boring endoporus D; Central blind hole j up arrives through sealing position, matching part the cut part b shearing position from bottom.
The advantage of the utility model cut pipe is: the sealing cone portion g 1, being designed with certain angle alpha, is less than the angle beta bottom the endoporus D on the part that matches with it, is namely less than the angle beta of the drill bit used when boring endoporus D.Like this, after cut pipe loads, the roundlet of its sealing cone portion g extrudes with the taper-face contact bottom the inner bore of part D that matches, and plays the effect of seal oil chamber; Meanwhile, decrease the lifting surface area of oil pressure on cut pipe, thus reduce the stressed of cut pipe screw thread; 2, while sealing cone portion g plays primary seal, the packing ring that Sealing portion f is arranged and seal washer play the effect of auxiliary seal.
Therefore the favorable sealing property of the utility model cut pipe and endoporus, in normal conditions, can keep the high pressure of the inner oil pocket of coupling, prevent from revealing, make coupling normal delivery power; When there is overload conditions, the pressure of the inner oil pocket of fast discharging coupling, makes the two ends of coupling unclamp disengaging, plays the effect of overload protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the novel cut pipe of the utility model;
Fig. 2 is the enlarged diagram at A place in Fig. 1;
Fig. 3 is the schematic diagram of the structure of the utility model high pressure sealing and quick pressure releasing;
Fig. 4 is the enlarged diagram at B place in Fig. 3.
Embodiment
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of novel cut pipe of the utility model, it comprises shearing position from top to bottom, matching part, sealing position; Shear position and be divided into the holding part a on top, the cut part b of bottom; Matching part comprises clamping part c, the external thread part d at middle part, the light circle portion e of bottom on top; Sealing position comprises the Sealing portion f on top, the sealing cone portion g of bottom, there is a transition part h between the two; Sealing portion f is provided with packing ring 1 and seal washer 2, the angle of sealing cone portion g is the angle beta bottom α, α are less than on the part that matches with it endoporus D, is namely less than the angle beta of the drill bit used when boring endoporus D; Central blind hole j up arrives through sealing position, matching part the cut part b shearing position from bottom.Sealing cone portion g is conducive to the accurate processing of endoporus D on the part that matches and angle beta, improves the stability of sealing.
As a kind of improved procedure of the present utility model, the size of holding part a is greater than the size of cut part b.Clamping part c is outer-hexagonal side, and external thread part d is the outside thread of metric fine.
As a kind of improved procedure of the present utility model, transition part h and sealing cone portion g has a conical surface transition portion i, and the angle of its conical surface is α slightly larger than the angle of sealing cone portion g.Like this, the difficulty of processing of cut pipe sealing cone portion g can be reduced.
As a kind of improved procedure of the present utility model, the length of center hole j in the b of cut part is 3/4 of cut part b length k.Like this, when the load, conveniently at cut part b, cut pipe can be cut off, allow high pressure oil spray.
From Fig. 3, Fig. 4, the structure of a kind of high pressure sealing of the utility model and quick pressure releasing, it comprises shearing ring 4, coupling band 6, above-mentioned cut pipe 5, and cut pipe 5 matches with the endoporus of coupling band 6, and shearing ring 4 cover has on the cut part b of cut pipe 5.
The advantage of the utility model cut pipe is: the sealing cone portion g 1, being designed with certain angle alpha, is less than the angle beta bottom the endoporus D on the part that matches with it, is namely less than the angle beta of the drill bit used when boring endoporus D.Like this, after cut pipe loads, the roundlet in sealing cone portion is extruded with the taper-face contact bottom the inner bore of part D that matches, plays the effect of seal oil chamber; Meanwhile, after being conducive to cut pipe seal oil chamber, reduce the lifting surface area of oil pressure on cut pipe, thus reduce the stressed of cut pipe screw thread; 2, while sealing cone portion g plays primary seal, the packing ring that Sealing portion f is arranged and seal washer play the effect of auxiliary seal.
When using the structure of the utility model high pressure sealing and quick pressure releasing when hydraulic safety coupling, when high pressure oil pump to the inner oil pocket 7 of coupling inject high pressure oil and persistent pressure time, cut pipe 5 is screwed into corresponding aperture, but do not tighten, at this moment, the Sealing packing ring 1 on cut pipe 5 and O RunddichtringO 2 seal; When reaching use pressure, tighten cut pipe 5, the taper-face contact of the endoporus D on the sealing cone portion g of cut pipe 5 and coupling band 6 is extruded, plays seal oil chamber, and Sealing packing ring 1 and O RunddichtringO 2 play auxiliary seal, at this moment coupling internal high pressure oil is isolated from the outside; The endoporus thin-walled place at joint sleeve 6 cavity 7 place is by the inside dilatating and deformable of high pressure oil effect, and embrace the periphery of coupling shaft 3 equably, the contact friction force of both dependence realizes the effect of coupling transferring power.When there is the situation of transshipping in the process of coupling work, namely the enclasping force between joint sleeve 6 and coupling shaft 3 is not enough to transferring power, there is mutually right relatively rotating in the two, at this moment, the shearing ring 4 be synchronized with the movement with coupling shaft 3 just and cut pipe 5 also there occurs and relatively rotate, the opening slot of shearing ring 4 just produces radial cutting force to the cylindrical of the cut part b of cut pipe 5, cut pipe 5 is disconnected from its cylindrical, make the high pressure oil of the inner oil pocket 7 of coupling by the central blind hole j ejection at a high speed of cut pipe 5, unloading oil pocket pressure in very short time, the endoporus of joint sleeve 6 is restored to the original state, joint sleeve 6 gets loose with coupling shaft 3 and is separated, play the effect of overload protection.
The utility model cut pipe is not limited only on coupling, can extensive use on safety unload device in various needs.
Claims (6)
1. a novel cut pipe, is characterized in that: it comprises shearing position from top to bottom, matching part, sealing position; Shear position and be divided into the holding part a on top, the cut part b of bottom; Matching part comprises clamping part c, the external thread part d at middle part, the light circle portion e of bottom on top; Sealing position comprises the Sealing portion f on top, the sealing cone portion g of bottom, there is a transition part h between the two; Sealing portion f is provided with Sealing packing ring (1) and O RunddichtringO (2), the angle of sealing cone portion g is the angle beta bottom α, α are less than on the part that matches with it endoporus D, is namely less than the angle beta of the drill bit used when boring endoporus D; Central blind hole j up arrives through sealing position, matching part the cut part b shearing position from bottom.
2. cut pipe according to claim 1, is characterized in that: the size of holding part a is greater than the size of cut part b.
3. cut pipe according to claim 1, is characterized in that: clamping part c is outer-hexagonal side, and external thread part d is the outside thread of metric fine.
4. cut pipe according to claim 1, is characterized in that: have a conical surface transition portion i between transition part h and sealing cone portion g, and the angle of its conical surface is α slightly larger than the angle of sealing cone portion g.
5. cut pipe according to claim 1, is characterized in that: the length of center hole j in the b of cut part is 3/4 of cut part b length k.
6. the structure of a high pressure sealing and quick pressure releasing, it is characterized in that: it comprises the described cut pipe (5) of one of shearing ring (4), coupling band (6), claim 1-5, cut pipe (5) matches with the endoporus of coupling band (6), and shearing ring (4) cover has on the cut part b of cut pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967711.6U CN205226133U (en) | 2015-11-30 | 2015-11-30 | Novel cut pipe and structure of pressurization and quick pressure release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967711.6U CN205226133U (en) | 2015-11-30 | 2015-11-30 | Novel cut pipe and structure of pressurization and quick pressure release |
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| Publication Number | Publication Date |
|---|---|
| CN205226133U true CN205226133U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520967711.6U Active CN205226133U (en) | 2015-11-30 | 2015-11-30 | Novel cut pipe and structure of pressurization and quick pressure release |
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| Country | Link |
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| CN (1) | CN205226133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402266A (en) * | 2015-11-30 | 2016-03-16 | 泰尔重工股份有限公司 | Novel cut-off pipe and high-pressure sealing and rapid pressure relief structure |
| CN110007420A (en) * | 2019-03-25 | 2019-07-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of aerating and exhaust device of thin-walled sealing drum |
-
2015
- 2015-11-30 CN CN201520967711.6U patent/CN205226133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402266A (en) * | 2015-11-30 | 2016-03-16 | 泰尔重工股份有限公司 | Novel cut-off pipe and high-pressure sealing and rapid pressure relief structure |
| CN110007420A (en) * | 2019-03-25 | 2019-07-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of aerating and exhaust device of thin-walled sealing drum |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |