CN204785204U - Fluid pressure line seal structure - Google Patents
Fluid pressure line seal structure Download PDFInfo
- Publication number
- CN204785204U CN204785204U CN201520489234.7U CN201520489234U CN204785204U CN 204785204 U CN204785204 U CN 204785204U CN 201520489234 U CN201520489234 U CN 201520489234U CN 204785204 U CN204785204 U CN 204785204U
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- CN
- China
- Prior art keywords
- bolt
- hole
- shank
- hose coupling
- utility
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 title abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005457 optimization Methods 0.000 abstract description 5
- 210000002445 nipple Anatomy 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 13
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a fluid pressure line seal structure, include: hydraulic pump, hose nipple and perforation bolt, the hydraulic pump is connected with hose nipple through the perforation bolt, the perforation bolt includes bolt head and shank of bolt, the shank of bolt sets up the lower extreme at the bolt head, the footpath of shank of bolt upwards is provided with first through -hole, is provided with the second through -hole that has a perfect understanding mutually with first through -hole on the axis of shank of bolt. The utility model discloses a fluid pressure line seal structure through carry out configuration optimization to original perforation bolt, at the radial first through -hole that link up that has set up of shank of bolt, has set up the second through -hole that link up mutually with first through -hole simultaneously on the axis of shank of bolt, be favorable to improving the hydraulic pressure efficiency of fluid pressure line, add circular boss in the below of bolt head in addition, utilize circular boss and the copper gasket that cup joints on the bolt cooperatees, can improve the sealed effect between perforation bolt and the hose nipple to the holistic leakproofness of effectual assurance fluid pressure line.
Description
Technical field
The utility model relates to automobile hydraulic line seal technical field, is specifically related to a kind of hydraulic pipe line sealing configuration.
Background technique
Along with the application of hydraulic pipe line and hydraulic control unit, the application of pipeline middle punch bolt is more and more general.Perforated bolt is mainly used in hydraulic pipe line, and play joint conversion and the fluid sealing of hydraulic pipe line, in order to hydraulic efficiency in pipeline and fluid seal and reliability, the structure of perforated bolt fitted seal is even more important.
Existing hydraulic pipe line sealing configuration as shown in Figure 1, perforated bolt 101 coordinates copper gasket 102 that hose coupling 103 is fixedly connected on oil hydraulic pump 104, when the sealing of this structure relies on perforated bolt 101 to tighten, elastic strain under pressure on copper gasket 102, thus the sealing realizing face contact.The sealing surface of this perforated bolt 101 is very high to the roughness requirements of surface of contact, owing to only having a face sealing, can there is sealing bad, cause the risk of oil liquid leakage; Simultaneously, perforated bolt 101 is provided with a circular groove 105 of indent at cross-perforating position, hose coupling 103 position is a cylindrical structure, both match formation internal cavities, so that the circulation of liquid, perforated bolt 101 cross-perforating place diameter is relatively little, there is the risk of insufficient strength when bearing high pulling torque and being fastening; In addition, the bolt head of perforated bolt 101 is with flanged surface, and bolt head is less, easily occurs the situation of skidding when assembling and dismantle.
Prior art
101, perforated bolt 102, copper gasket 103, hose coupling
104, oil hydraulic pump 105, circular groove
The utility model
1, oil hydraulic pump 2, hose coupling 3, perforated bolt
31, bolt head 32, bolt shank 33, first through hole
34, the second through hole 35, domatic chamfering 36, round boss
4, annular groove 5, copper gasket
Model utility content
The purpose of this utility model is to provide a kind of hydraulic pipe line sealing configuration, by carrying out structure optimization to original perforated bolt, thus solve sealing surface sealing effect bad, easily cause the problem of oil liquid leakage; Simultaneously by structure optimization, also solve the problem of perforated bolt insufficient strength when bearing high pulling torque; In addition the bolt head position of perforated bolt is also improved, thus easily occur the problem of skidding when solving assembling and dismounting.
For achieving the above object, the utility model provides following technological scheme:
A kind of hydraulic pipe line sealing configuration, comprising: oil hydraulic pump, hose coupling and perforated bolt;
Described oil hydraulic pump is connected with described hose coupling by described perforated bolt;
Described perforated bolt comprises bolt head and bolt shank; Described bolt shank is arranged on the lower end of described bolt head; The radial direction of described bolt shank is provided with the first through hole, the axis of described bolt shank is provided with the second through hole connected with described first through hole.
Preferably, the diameter of described first through hole and described second through hole is 3.1mm ~ 3.3mm.
Preferably, described second through hole be provided with domatic chamfering bottom.
Preferably, the lower end surface of described bolt head is provided with round boss, and the diameter of described round boss is less than the outside diameter of described bolt head.
Preferably, the height of described round boss is 0.2 ~ 0.3mm.
Preferably, in described hose coupling, the described first through hole place of matching is provided with annular groove, the height of described annular groove is greater than the diameter of described first through hole.
Preferably, described bolt head is connected with described hose coupling in junction and is socketed with copper gasket.
The beneficial effects of the utility model are:
Hydraulic pipe line sealing configuration of the present utility model, by carrying out structure optimization to original perforated bolt, the first through through hole is provided with in the radial direction of bolt shank, on the axis of bolt shank, be provided with the second through hole connected with the first through hole simultaneously, wherein the first through hole matches with the annular groove on hose coupling, what the liquid communication space between perforated bolt and hose coupling can be made to become is larger, thus is conducive to the hydraulic efficiency improving hydraulic pipe line; Round boss has been set up in addition in the below of bolt head, round boss is utilized to match with the copper gasket be socketed on bolt, the sealing effect between perforated bolt and hose coupling can be improved, thus the effective sealing ensureing hydraulic pipe line entirety, the hydraulic efficiency of further raising hydraulic pipe line, can also increase the working life of hydraulic pipe line sealing configuration entirety simultaneously.
Accompanying drawing explanation
Next will be described in further detail specific embodiment of the utility model by reference to the accompanying drawings, wherein:
Fig. 1 is the pipe sealing structure figure of prior art;
Fig. 2 is the pipe sealing structure figure of the utility model embodiment;
Fig. 3 is the perforated bolt structural drawing of the utility model embodiment;
Fig. 4 is the perforated bolt sectional drawing of the utility model embodiment.
Mark in upper figure:
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
As shown in Figures 2 to 4, a kind of hydraulic pipe line sealing configuration of the present utility model, comprising: oil hydraulic pump 1, hose coupling 2 and perforated bolt 3; Oil hydraulic pump 1 is connected with hose coupling 2 by perforated bolt 3; Perforated bolt 3 comprises bolt head 31 and bolt shank 32; Bolt shank 32 is arranged on the lower end of bolt head 31; The radial direction of bolt shank 32 is provided with the first through hole 33, the axis of bolt shank 32 is provided with the second through hole 34 connected with the first through hole 33.Hydraulic pipe line sealing configuration of the present utility model, by carrying out structure optimization to original perforated bolt 3, the first through through hole 33 is provided with in the radial direction of bolt shank 32, on the axis of bolt shank 32, be provided with the second through hole 34 connected with the first through hole 33 simultaneously, wherein the first through hole 33 matches with the annular groove 4 on hose coupling 2, what the liquid communication space between perforated bolt 3 and hose coupling 2 can be made to become is larger, thus is conducive to the hydraulic efficiency improving hydraulic pipe line; Round boss 36 has been set up in addition in the below of bolt head 31, round boss 36 is utilized to match with the copper gasket 5 be socketed on perforated bolt 3, the sealing effect between perforated bolt 3 and hose coupling 2 can be improved, thus the effective sealing ensureing hydraulic pipe line entirety, the hydraulic efficiency of further raising hydraulic pipe line, can also increase the working life of hydraulic pipe line sealing configuration entirety simultaneously.
As shown in Figure 4, first through hole 33 and the second through hole 34 connect in the inside of perforated bolt 3, liquid in hydraulic pipe line needs first to flow into the first through hole 33 through hose coupling 2, then the second through hole 34 connected is flowed into by the first through hole 33, in order to ensure the efficiency of flow of fluid, concrete numerical value is drawn after the aperture of the first through hole 33 and the second through hole 34 is needed to carry out analytical calculation, in the utility model, preferably the diameter of the first through hole 33 and the second through hole 34 is 3.1mm ~ 3.3mm, the diameter of the first through hole 33 and the second through hole 34 is set to identical value, mainly in order to ensure that the pressure of liquid in perforated bolt 3 is consistent, can not damage perforated bolt 3 because internal pressure is high, the diameter of preferred first through hole 33 and the second through hole 34 can also ensure in the liquid inflow hose coupling 2 of enough flows simultaneously, thus be conducive to the hydraulic efficiency improving hydraulic pipe line.
In addition, as can be seen from Figure 4, the second through hole 34 be provided with domatic chamfering 35 bottom, domatic chamfering 35 can increase the fashionable flow of liquid stream and speed, thus it is outer and increase the pressure of sealing configuration entirety to make liquid can not be gathered in the second through hole 34; Set up the intensity that domatic chamfering 35 can also increase by the second through hole 34 in addition, the fluid pressure in the second through hole 34 outwards can be disperseed by domatic chamfering 35, thus effectively improve the working life of perforated bolt 3.
As shown in Figure 3, the lower end surface of bolt head 31 is provided with round boss 36, and the diameter of round boss 36 is less than the outside diameter of bolt head 31.As can be seen from Fig. 3 and Fig. 4, hexagon bolt head 31 is have employed at the utility model middle punch bolt 3, and the outside diameter of hexagon bolt head 31 amplifies dimensionally relative to original bolt head, thus be conducive to perforated bolt 3 be more prone to when being installed on hose coupling 2 operation.And after bolt head 31 is amplified, in order to ensure the sealing between bolt head 31 and hose coupling 2, preferably increase on the lower end surface of bolt head 31 in the utility model and be provided with round boss 36, can find out in fig. 2, round boss 36 contacts with the copper gasket 5 be socketed between bolt head 31 and hose coupling 2, utilize the characteristic of copper gasket 5, in the process tighting a bolt 31, round boss 36 can be bumped in soft copper gasket 5, thus can effective hold-down bolt head 31.In the utility model, the height of round boss 36 is set to 0.2 ~ 0.3mm, mainly in order to can effectively be bumped on the basis in copper gasket 5 at guarantee round boss 36, can also ensure that copper gasket 5 large deformation did not occur, thus effectively ensure the sealing effect between perforated bolt 3 and hose coupling 2, the hydraulic efficiency of further raising hydraulic pipe line, can also increase the working life of hydraulic pipe line sealing configuration entirety simultaneously.
In addition, as shown in Figure 2, in hose coupling 2, first through hole 31 place of matching is provided with annular groove 4, the height of annular groove 4 is greater than the diameter of the first through hole 31.In order to effectively improve the circulation effect of liquid, and can ensure that perforated bolt 3 has enough intensity, original perforated bolt 3 upper groove that is arranged on is cancelled by the utility model, on hose coupling 2 inwall that the first through hole 31 is relative, be provided with annular groove 4 simultaneously, the height of annular groove 4 is arranged the diameter being often greater than the first through hole 31, be conducive to annular groove 4 and effectively increase liquid communication space, annular groove 4 can also cushion the liquid going out the first through hole 31 simultaneously, thus improve the hydraulic efficiency of hydraulic pipe line, increase the working life of hose coupling 2.Certainly, according to the cooperation needs between the perforated bolt 3 of different size and hose coupling 2, also the height of annular groove 4 can be set to the diameter being less than the first through hole 31, or trapezoidal groove or triangular groove increase the pressure of hose coupling 2 inside, do not limit in the utility model embodiment.
Structure of the present utility model, feature and action effect is described in detail above according to illustrated embodiment; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change done according to conception of the present utility model; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet specification with diagram contain spiritual time, all should in protection domain of the present utility model.
Claims (7)
1. a hydraulic pipe line sealing configuration, is characterized in that, comprising: oil hydraulic pump, hose coupling and perforated bolt;
Described oil hydraulic pump is connected with described hose coupling by described perforated bolt;
Described perforated bolt comprises bolt head and bolt shank; Described bolt shank is arranged on the lower end of described bolt head; The radial direction of described bolt shank is provided with the first through hole, the axis of described bolt shank is provided with the second through hole connected with described first through hole.
2. sealing configuration according to claim 1, is characterized in that, the diameter of described first through hole and described second through hole is 3.1mm ~ 3.3mm.
3. sealing configuration according to claim 2, is characterized in that, described second through hole be provided with domatic chamfering bottom.
4. sealing configuration according to claim 3, is characterized in that, the lower end surface of described bolt head is provided with round boss, and the diameter of described round boss is less than the outside diameter of described bolt head.
5. sealing configuration according to claim 4, is characterized in that, the height of described round boss is 0.2 ~ 0.3mm.
6. sealing configuration according to claim 1, is characterized in that, in described hose coupling, the described first through hole place of matching is provided with annular groove, the height of described annular groove is greater than the diameter of described first through hole.
7. sealing configuration according to claim 1, is characterized in that, described bolt head is connected with described hose coupling in junction and is socketed with copper gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489234.7U CN204785204U (en) | 2015-07-07 | 2015-07-07 | Fluid pressure line seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489234.7U CN204785204U (en) | 2015-07-07 | 2015-07-07 | Fluid pressure line seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785204U true CN204785204U (en) | 2015-11-18 |
Family
ID=54525253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520489234.7U Expired - Fee Related CN204785204U (en) | 2015-07-07 | 2015-07-07 | Fluid pressure line seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620844A (en) * | 2016-07-14 | 2018-01-23 | 抚顺煤矿电机制造有限责任公司 | It is a kind of can 360 ° rotation water pipe heads |
| CN113217732A (en) * | 2020-02-05 | 2021-08-06 | 纽珀有限公司 | Hose sleeve and use of a hose connector |
| CN116116906A (en) * | 2023-02-20 | 2023-05-16 | 宝武集团鄂城钢铁有限公司 | Rolling mill roll bending block assembly and rolling mill |
-
2015
- 2015-07-07 CN CN201520489234.7U patent/CN204785204U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620844A (en) * | 2016-07-14 | 2018-01-23 | 抚顺煤矿电机制造有限责任公司 | It is a kind of can 360 ° rotation water pipe heads |
| CN113217732A (en) * | 2020-02-05 | 2021-08-06 | 纽珀有限公司 | Hose sleeve and use of a hose connector |
| CN116116906A (en) * | 2023-02-20 | 2023-05-16 | 宝武集团鄂城钢铁有限公司 | Rolling mill roll bending block assembly and rolling mill |
| CN116116906B (en) * | 2023-02-20 | 2025-09-19 | 宝武集团鄂城钢铁有限公司 | Rolling mill roll bending block assembly and rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |