CN102192216B - Throttling bolt and hydraulic means - Google Patents
Throttling bolt and hydraulic means Download PDFInfo
- Publication number
- CN102192216B CN102192216B CN201110066096.8A CN201110066096A CN102192216B CN 102192216 B CN102192216 B CN 102192216B CN 201110066096 A CN201110066096 A CN 201110066096A CN 102192216 B CN102192216 B CN 102192216B
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- China
- Prior art keywords
- bolt
- throttling
- hydraulic means
- threaded sections
- passed
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- 239000012530 fluid Substances 0.000 claims abstract description 21
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims 2
- 238000009751 slip forming Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Valve Housings (AREA)
Abstract
Throttling bolt and hydraulic means.Disclose a kind of throttling bolt for hydraulic means, it has the transverse holes in the elongated body of bolt forming screw thread above, the bolt head formed on the body of bolt, the longitudinal hole being passed through in the end face back to bolt head of the body of bolt and the side surface being passed through the body of bolt, wherein, there is the fluid path that the entrance from longitudinal hole leads to the entrance of transverse holes.In addition a kind of hydraulic means is disclosed, especially panel or control block or valve, for being used together with such throttling bolt, the first fluid passage have receiving hole, being passed through in receiving hole vertically and the second fluid passage being radially passed through in receiving hole, described receiving hole is owing to its structure and its shape are at least accommodating the body of bolt of throttling bolt.
Description
Technical field
The present invention relates to a kind of throttling bolt for hydraulic means and a kind of hydraulic means being suitable for accommodating throttling bolt.
Background technology
Figure 1 illustrates the panel of the conventional hydraulic pressure with throttling bolt.This panel has installing hole, each leads into a fluid passage in this installing hole both axially and radially.Penetrating on position in radial passage, described installing hole has shoulder, narrows at this shoulder cross section.In terms of the entrance of installing hole, the superincumbent section of this installing hole has screw thread and there is in following section after shoulder screw thread equally.Screw-in nozzle it is screwed in following threaded sections.This screw-in nozzle substantially has the cylindrical body with through hole, and the upper part shaping of wherein said through hole is used for accommodating die nut and lower part defines nozzle bore.Described screw-in nozzle defines the throttling in the fluid path between axial passage and radial passage.Further, it is necessary to close described installing hole with blocking bolt.This blocking bolt inserts in threaded sections above.
Assembling becomes complicated due to two kinds of bolts.Two kind bolts must be provided separately and use two kinds of different instruments for screw-in nozzle and blocking bolt if desired.
Additionally, quality testing is troublesome, because only that visual inspection screw-in nozzle whether could be enclosed after removing blocking bolt.Additionally, described installing hole is complicated due to the different diameter of threaded sections in the mill.
Summary of the invention
Therefore, the task of the present invention is that a kind of throttling bolt and a kind of hydraulic means are described, thus simplifies offer throttle point in hydraulic means the most in the mill and also in assembling.
This task has been resolved by having the throttling bolt of following feature: for the throttling bolt of hydraulic means, transverse holes in there is the elongated body of bolt forming screw thread above, the bolt head formed on the described body of bolt, the longitudinal hole being passed through in the end face back to described bolt head of the described body of bolt and being passed through the side surface of the described body of bolt, wherein, there is the fluid path that the entrance from described longitudinal hole leads to the entrance of described transverse holes, wherein, described fluid path has nozzle segment narrow positions in other words in the inside of the described body of bolt.
Described task has been resolved also by the hydraulic means with following feature: hydraulic means, it is suitable for accommodating aforesaid throttling bolt, having receiving hole, the first fluid passage being passed through in described receiving hole vertically and the second fluid passage being radially passed through in described receiving hole, described receiving hole is owing to its structure and its shape are at least accommodating the body of bolt of described throttling bolt.
According to the present invention, concurrently form in the body of bolt throttle point between opening axially and radially by the throttling bolt of single part and ensure that the closing of installing hole.It reduce manufacture expense and logistical overhead, because a kind of parts only need to be provided.In addition assembling is simplified, because only needing a kind of instrument.The existence of throttle point can be directly confirmed by simple visual inspection.
The installing hole in hydraulic means can be designed simply, be designed particularly by following methods, in the region penetrating position, i.e. need not shoulder, and the most only one unique continuous print threaded sections of manufacture is used for accommodating the body of bolt.
Described throttling bolt can manufacture with different nozzle diameters.As an alternative, it is also possible to screw-in nozzle is assemblied in the inside of throttling bolt, method is the corresponding installing space of the screw-in nozzle being provided for routine in this throttling bolt.Described throttling bolt can-especially on its bolt head-there is the visual indicia of diameter of explanation nozzle.This can by label, mold pressing or by arrange shape or color coding realize.
Accompanying drawing explanation
Below according to one of accompanying drawing, embodiments of the present invention is described in detail.
Fig. 1 shows the control block of hydraulic pressure, is formed the throttle point in installing hole by conventional screw-in nozzle and conventional blocking bolt in this control block,
Fig. 2 shows by the control block of the hydraulic pressure of the present invention, has been concurrently formed the closing of throttle point and installing hole in this control block by the throttling bolt of improvement.
Detailed description of the invention
According to Fig. 1, when conventional configurations throttles in the control block 1 of hydraulic pressure providing holes 3, radial hole 5 is passed through in this hole.Described hole 3 has the shoulder of routine for abutting bolt head, and has another shoulder 7 in the region of radial hole 5, and on this another shoulder, described hole narrows again.Hole 3-to the eye before shoulder 7-other radial segment and shoulder 7 after the narrower section of radial direction be respectively equipped with screw thread.It is screwed into screw-in nozzle 10 and blocking bolt 11 in corresponding threaded sections 8,9.Described screw-in nozzle 10 is inserted in the narrow positions specified in the fluid path between hole 3 and radial hole 5.Described blocking bolt 11 is relative to hole 3 described in the outside locking of control block 1.
Schematically illustrate in fig. 2 and construct, by the present invention, the throttling controlled in block 1.From 14s, surface in described control block 1, insert the hole 5 of installing hole 3 and radial directed therewith.Described hole 3 is extended in fluid passage 3 '.Described hole 5 is passed through in installing hole 3.This installing hole 3 has ladder in the entrance area of their own, and on this ladder, described installing hole radially narrows.The supporting surface of the bolt head that the shoulder 15 of this ladder is used as in the entrance area sinking to described hole 3 of bolt 20.Described hole 3 is provided with the screw thread of continuous cutting away from its entrance below at shoulder 15.The threaded portion 17 being thusly-formed exceedes the entrance in hole 5 always and extends in hole 3.Described threaded portion 17 can be divided into two sections, the section 19 below the entrance being positioned at hole 5 of the entrance of a section 18 near the entrance top being positioned at hole 5 of the entrance in hole 3 and a facing away from hiatus 3 in theory according to the entrance in hole 5.
Described bolt 20 has the elongated body of bolt 22, and this body of bolt bolt head 23 terminates.This body of bolt 22 has two threaded sections 24 and 25, and described threaded sections has identical radius and identical pitch.Described threaded sections 24,25 is the most axially spaced by the circumferential groove 27 of cincture.In the region of circumferential groove 27, the described body of bolt 22 is provided with transverse holes 29.From the 31s, side back to bolt head 23, inserting longitudinal hole 33, this longitudinal hole narrows towards nozzle segment 35 and is passed through in transverse holes 29 with nozzle segment 35.Thus, by from the longitudinal hole 33 entrance in end face 31 until the body of bolt 22 of the transverse holes 29 entrance in circumferential groove 27 defines the fluid path throttled by nozzle segment 35.
The axial groove 37 for accommodating sealing ring is defined in described bolt head 23.Additionally, inserted the profile for accommodating instrument, such as hexagonal profile in bolt head 23.The screw thread of described threaded sections 24 and 25 preferably manufactures in one procedure on initial body, and inserts circumferential groove 27 after manufacturing screw thread.Thus, described threaded sections 24 and 25 relates to identical screw thread in principle so that throttling bolt 20 can be screwed in described hole with continuous print screw thread 17.
So select the length of described threaded sections 25 so that the gap sealing formed on threaded sections 25 in being screwed into state is sufficiently high relative to the throttling cross section of nozzle segment 35.So the length between such as 4mm and 10mm, nozzle diameter is selected to be in the scope of below 3mm to 1mm for threaded sections 25.The threaded sections 19 of the screw thread 17 of described installing hole 3 must correspondingly have identical until somewhat larger length such that it is able to accommodates the threaded sections 25 of throttling bolt 20.
Described throttling bolt 20 can also carry out other structure at bolt head 23 aspect.When forming depth stop on such as end below screw thread 17 in installing hole 3, radially projecting bolt head 23 can be abandoned, the body of bolt 22 is extended in bolt head 23 with not having discernible transitional region, the most only there is head section.This embodiment should be included by the concept " bolt head " used in this application.Sealing member must be necessarily arranged in the throttling bolt 20 of so amendment, such as, be arranged in the radial slot of head section.
Replacing the nozzle segment 35 of boring, can there is the threaded bigger hole of tool in the body of bolt 22, conventional screw-in nozzle 10 can be screwed in described hole, and precondition is the corresponding diameter of the body of bolt 22 and installing hole 3.As an alternative, described nozzle segment 35 can also construct in transverse holes 29 rather than in longitudinal hole 33.
In all flexible programs, the throttle point controlled in block 1 can be formed in a straightforward manner.This constructs throttle point than in conventional methods needs less parts and especially needs less operation in assembling.In addition the detection controlling block is simplified, because throttling can be determined whether there is with simple visual inspection.By visual indicia, such as label, mold pressing or encoded by the shape coding or color arranging the especially bolt head of throttling bolt, it is possible to realize the mark being easily recognized and simply checking of nozzle diameter.
Claims (19)
1. for the throttling bolt of hydraulic means, have and elongated form screw thread (24 above, 25) the body of bolt (22), at the upper bolt head (23) formed of the described body of bolt (22), transverse holes (29) in being passed through the longitudinal hole (33) in the end face back to described bolt head (23) (31) of the described body of bolt (22) and being passed through the side surface of the described body of bolt (22), wherein, there is the fluid path that the entrance from described longitudinal hole (33) leads to the entrance of described transverse holes (29), wherein, described fluid path has nozzle segment (35) narrow positions in other words in the inside of the described body of bolt (22).
2. the throttling bolt as described in claim 1, wherein, constructs described transverse holes (29) or described longitudinal hole (33) is used for accommodating screw-in nozzle (10).
3. the throttling bolt as described in claim 1, wherein, described longitudinal hole (33) intersects with described transverse holes (29) and described longitudinal hole (33) narrows in this intersecting area stepwise.
4. the throttling bolt as according to any one of claim 1-3, there is the first annular groove (37) of the indentation radially and/or axially being arranged on from the described body of bolt (22) to the transitional region of described bolt head (23), sealing member can be arranged in this first annular groove.
5. the throttling bolt as according to any one of claim 1-3, wherein, the described body of bolt (22) has external screw thread (24,25) and described external screw thread (24,25) to be interrupted by second cannelure (27) of radially indentation, and described transverse holes (29) is passed through in described second cannelure.
6. the throttling bolt as described in claim 5, wherein, the threaded sections (25) between described second cannelure (27) and described end face (31) of the described body of bolt (22) to the youthful and the elderly 4mm.
7. the throttling bolt as described in claim 6, wherein, described threaded sections (25) long 5mm, 6mm or 7mm.
8. the throttling bolt as described in claim 6, wherein, described threaded sections (25) long 10mm.
9. the throttling bolt as according to any one of claim 1-3, wherein, this throttling bolt has visual indicia, and this visual indicia illustrates the diameter of nozzle segment (35) in the fluid path by the described body of bolt (22).
10. the throttling bolt as described in claim 9, wherein, described visual indicia is arranged on the bolt head (23) of throttling bolt.
11. hydraulic means, it is suitable for accommodating the throttling bolt (20) as according to any one of claim 1 to 10, having receiving hole (3), be passed through first fluid passage (3 ') in described receiving hole (3) and the second fluid passage (5) being radially passed through in described receiving hole (3) vertically, described receiving hole is owing to its structure and its shape are at least accommodating the body of bolt (22) of described throttling bolt (20).
12. hydraulic means as described in claim 11, wherein, described hydraulic means is panel or controls block or valve.
13. hydraulic means as described in claim 11, wherein, described receiving hole (3) includes threaded sections (17), is continuously formed screw thread in this threaded sections, and described second fluid passage (5) is passed through in described threaded sections (17).
14. hydraulic means as described in claim 13, wherein, described second fluid passage (5) is in centre is passed through described threaded sections (17).
15. hydraulic means as described in claim 13, wherein, described threaded sections (17) is bore section, and this bore section has constant radius over its length.
16. hydraulic means as according to any one of claim 13-15, wherein, the threaded sections (19) between the entrance and the entrance of described second fluid passage (5) of described first fluid passage (3 ') has the length of at least 4mm.
17. hydraulic means as described in claim 16, wherein, described threaded sections (19) has the length of 5mm, 6mm or 7mm.
18. hydraulic means as described in claim 16, wherein, described threaded sections (19) has the length of 10mm.
19. equipment, including the hydraulic means (1) as according to any one of claim 11 to 18 and the throttling bolt (22) as according to any one of claim 1 to 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010012207.6 | 2010-03-19 | ||
| DE201010012207 DE102010012207A1 (en) | 2010-03-19 | 2010-03-19 | Throttle screw for hydraulic equipment, particularly control plate or control block or valve of device, comprises elongated screw body, on which threads are formed, and screw head which is formed at screw body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192216A CN102192216A (en) | 2011-09-21 |
| CN102192216B true CN102192216B (en) | 2016-09-07 |
Family
ID=44585395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110066096.8A Active CN102192216B (en) | 2010-03-19 | 2011-03-18 | Throttling bolt and hydraulic means |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102192216B (en) |
| DE (1) | DE102010012207A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194458B (en) * | 2017-12-21 | 2019-12-13 | 爱德森（厦门）电子有限公司 | Passive hydraulic means of healthy ultrasonic monitoring couplant of structure |
| CN112324742A (en) * | 2020-12-01 | 2021-02-05 | 贵州航天天马机电科技有限公司 | Large-stroke two-stage double-cylinder device |
| US20240200583A1 (en) * | 2022-12-15 | 2024-06-20 | ZF Off-Highway Solutions Minnesota Inc | Dual orifice component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080114U (en) * | 1990-11-18 | 1991-07-03 | 杨宝林 | Electric remote control stepless pressure adjusting device |
| CN2280602Y (en) * | 1996-12-11 | 1998-05-06 | 周武巧 | Four-in-one multifunction pneumatic tool |
| CN101438052A (en) * | 2006-01-26 | 2009-05-20 | 罗伯特·博世有限公司 | High-pressure accumulator body with integrated distributor block |
| CN101954619A (en) * | 2009-07-17 | 2011-01-26 | 本田技研工业株式会社 | Tool holder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2711883A (en) * | 1952-10-09 | 1955-06-28 | Reeves Edward | Carburetor |
| JPH04175462A (en) * | 1990-11-06 | 1992-06-23 | Usui Internatl Ind Co Ltd | Connecting structure of branch connector in high pressure fuel block |
-
2010
- 2010-03-19 DE DE201010012207 patent/DE102010012207A1/en active Pending
-
2011
- 2011-03-18 CN CN201110066096.8A patent/CN102192216B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080114U (en) * | 1990-11-18 | 1991-07-03 | 杨宝林 | Electric remote control stepless pressure adjusting device |
| CN2280602Y (en) * | 1996-12-11 | 1998-05-06 | 周武巧 | Four-in-one multifunction pneumatic tool |
| CN101438052A (en) * | 2006-01-26 | 2009-05-20 | 罗伯特·博世有限公司 | High-pressure accumulator body with integrated distributor block |
| CN101954619A (en) * | 2009-07-17 | 2011-01-26 | 本田技研工业株式会社 | Tool holder |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010012207A1 (en) | 2011-09-22 |
| CN102192216A (en) | 2011-09-21 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |