CN102192216A - Throttling bolt and hydraulic device - Google Patents

Throttling bolt and hydraulic device Download PDF

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Publication number
CN102192216A
CN102192216A CN2011100660968A CN201110066096A CN102192216A CN 102192216 A CN102192216 A CN 102192216A CN 2011100660968 A CN2011100660968 A CN 2011100660968A CN 201110066096 A CN201110066096 A CN 201110066096A CN 102192216 A CN102192216 A CN 102192216A
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CN
China
Prior art keywords
bolt
throttling
hydraulic pressure
threaded sections
hole
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Granted
Application number
CN2011100660968A
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Chinese (zh)
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CN102192216B (en
Inventor
A·里夏茨
M·阿门德
A·科斯托茨
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN102192216A publication Critical patent/CN102192216A/en
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Publication of CN102192216B publication Critical patent/CN102192216B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass

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  • 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

The invention discloses a throttling bolt and a hydraulic device. The invention discloses a throttling bolt for a hydraulic device, which comprises a lathy bolt body with screw threads formed thereon, a bolt head formed on the bolt body, a longitudinal hole formed in the bolt body and opposite to the bolt head on the end face and horizontal hole formed the lateral surface of the bolt body, wherein a fluid path from an inlet of the longitudinal hole to an inlet of the horizontal hole is provided. Furthermore, the invention further discloses a hydraulic device, particularly a control plate or a control block or a valve which is used together with the throttling bolt, wherein the hydraulic device comprises a positioning hole, a first fluid passage connected to the positioning hole along the axial direction and a second fluid passage connected to the positioning hole along the radial direction, and the positioning hole is used for at least positioning the bolt head of the throttling bolt due to the structure and the shape thereof.

Description

Throttling bolt and hydraulic pressure installation
Technical field
The present invention relates to a kind of throttling bolt and a kind of hydraulic pressure installation that is suitable for holding the throttling bolt that is used for hydraulic pressure installation.
Background technique
Figure 1 illustrates the control panel of the hydraulic pressure of routine with throttling bolt.This control panel has mounting hole, feeds a fluid passage in this mounting hole vertically and radially respectively.Penetrating on the position of radial passage, described mounting hole has shoulder, and cross section narrows down on this shoulder.From the inlet of mounting hole, have in the superincumbent section of this mounting hole in screw thread and the section below and have screw thread equally in the shoulder back.Be screwed into the screw-in nozzle in the threaded sections below.This screw-in nozzle has the cylindrical body that has through hole basically, and the upper part shaping of wherein said through hole is used to hold hexagon wrench and lower part has formed nozzle bore.Described screw-in nozzle has formed the throttling in the fluid path between axial passage and the radial passage.In addition, must seal described mounting hole with the locking bolt.In the threaded sections above this locking bolt inserts.
Assembling is owing to two kinds of bolts become complicated.Two kinds of bolts must be provided individually and use two kinds of different instruments to be used for screw-in nozzle and locking bolt in case of necessity.
In addition, quality testing is a trouble, because the ability visual inspection screw-in nozzle of whether having packed into after removing the locking bolt only.In addition, described mounting hole is because the different diameter of threaded sections is complicated in the mill.
Summary of the invention
Therefore, task of the present invention is a kind of throttling bolt of explanation and a kind of hydraulic pressure installation, provides the throttling position thereby for example simplified in assembling in the mill and also in hydraulic pressure installation.
The throttling bolt of the feature of this task by having claim 1 hydraulic pressure installation of the feature by having claim 9 in other words is resolved.
Favourable design proposal of the present invention is the theme of dependent claims.
According to the present invention, throttling bolt by single part has formed in the body of bolt axially and throttling position between the opening radially and the sealing of having guaranteed mounting hole simultaneously.This has reduced manufacturing expense and logistics expense, because only need provide a kind of parts.Simplified assembling in addition, because only need a kind of instrument.Can directly confirm the existence at throttling position by simple visual inspection.
Can design the mounting hole in the hydraulic pressure installation simply, design especially by the following method, promptly in penetrating the zone at position, not need shoulder, and especially only make a unique continuous threaded sections and be used to hold the body of bolt.
Described throttling bolt can be made with different orifice sizes.Scheme as an alternative also can be assemblied in the screw-in nozzle inside of throttling bolt, and method is the corresponding installing space that is provided for conventional screw-in nozzle in this throttling bolt.Described throttling bolt can-especially on its bolt head-have a visual indicia of diameter of explanation nozzle.This can be by label, mold pressing or by shape being set or color coding is realized.
Description of drawings
One of with reference to the accompanying drawings embodiments of the present invention is described in detail below.
Fig. 1 shows the controll block of hydraulic pressure, becomes throttling position in the mounting hole by the screw-in nozzle of routine and conventional locking bolt shape in this controll block,
Fig. 2 shows the controll block by hydraulic pressure of the present invention, has formed the sealing of throttling position and mounting hole in this controll block simultaneously by the throttling bolt that improves.
Embodiment
According to Fig. 1, when the conventional configurations throttling, in the controll block 1 of hydraulic pressure, hole 3 is set, radial hole 5 feeds in this hole.Described hole 3 has conventional shoulder and is used to abut bolt head, and has another shoulder 7 in the zone of radial hole 5, narrows down once more in this above hole of another shoulder.Hole 3-to the eye shoulder 7 fronts-other radial segment and the radially narrower section of shoulder 7 back be respectively equipped with screw thread.In respective threads section 8,9, be screwed into screw-in nozzle 10 and locking bolt 11.Described screw-in nozzle 10 is inserted in the narrow positions of the appointment in the fluid path between hole 3 and the radial hole 5.Described locking bolt 11 is with respect to the described hole 3 of the outside locking of controll block 1.
In Fig. 2, exemplarily show by the present invention and construct throttling in the controll block 1.In described controll block 1,, insert the mounting hole 3 and the hole 5 of radial directed with it from surface 14.Described hole 3 is extended in the fluid passage 3 '.Described hole 5 feeds in the mounting hole 3.This mounting hole 3 has ladder in its oneself entrance region, radially narrow down at the above mounting hole of this ladder.The shoulder 15 of this ladder is as the supporting surface of the bolt head in the entrance region that sinks to described hole 3 of bolt 20.Described hole 3 is provided with the screw thread that dissects continuously in shoulder 15 back away from it with entering the mouth.So the threaded portion 17 that forms surpasses the entrance extension in hole 5 in hole 3 always.Described threaded portion 17 can be divided into two sections in theory according to the inlet in hole 5, a section 18 and the section 19 away from the inlet below that is positioned at hole 5 of the inlet in hole 3 near the inlet top that is positioned at hole 5 of the inlet in hole 3.
Described bolt 20 has the elongated body of bolt 22, and this body of bolt finishes with bolt head 23.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 by around circumferential groove 27 separate vertically mutually.In the zone of circumferential groove 27, the described body of bolt 22 is provided with transverse holes 29.Distolateral 31 from back to bolt head 23 inserted vertical hole 33, and this vertical hole narrows down and feeds in the transverse holes 29 with nozzle section 35 towards nozzle section 35.Thus, by having formed the fluid path that passes through 35 throttlings of nozzle section up to the body of bolt 22 of the inlet of transverse holes 29 in circumferential groove 27 from the inlet of vertical hole 33 end face 31.
In described bolt head 23, formed the axial groove 37 that is used to hold seal ring.In addition, in bolt head 23, inserted the profile that is used to hold instrument, for example the hexagonal profile.Described threaded sections 24 and 25 screw thread are preferably made on initial body in one procedure, and insert circumferential groove 27 after making screw thread.Thus, described threaded sections 24 relates to identical screw thread in principle with 25, makes throttling bolt 20 to be screwed in the described hole with continuous screw thread 17.
So select the length of described threaded sections 25, make that the gap sealing that forms is sufficiently high with respect to the throttling cross section of nozzle section 35 in the state of being screwed on threaded sections 25.So select for example length between the 4mm and 10mm for threaded sections 25, orifice size is in 3mm in the scope below the 1mm.The threaded sections 19 of the screw thread 17 of described mounting hole 3 must correspondingly have identical until bigger slightly length, thereby can hold the threaded sections 25 of throttling bolt 20.
Described throttling bolt 20 also can carry out other structure aspect bolt head 23.When in mounting hole 3, for example forming depth stop on the end below screw thread 17, can abandon radially outstanding bolt head 23, make the body of bolt 22 not be extended in the bolt head 23 with having discernible transition region, just only have head section.This mode of execution should be included by the notion of using in this application " bolt head ".Sealing must be arranged in the throttling bolt 20 of modification like this, for example is arranged in the radial groove of head section.
Replace the nozzle section 35 of boring, can have the bigger hole with screw thread in the body of bolt 22, conventional screw-in nozzle 10 can be screwed in the described hole, and precondition is the corresponding diameter of the body of bolt 22 and mounting hole 3.Scheme as an alternative, described nozzle section 35 also can be configured in the transverse holes 29, rather than vertically in the hole 33.
In all flexible programs, can form throttling position in the controll block 1 in simple mode.This needs less components than structure throttling position in the methods of routine and especially need still less operation in assembling.Simplified the detection of controll block in addition, because can determine whether to exist throttling with simple visual inspection.By visual indicia, for example shape coding or the color coding of label, mold pressing or the especially bolt head by the throttling bolt is set can be realized the simple identification and the simple sign of checking of orifice size.

Claims (13)

1. the throttling bolt that is used for hydraulic pressure installation, have the body of bolt (22) of the elongated screw thread of formation in the above (24,25), at bolt head (23) that the described body of bolt (22) go up to form, feed the vertical hole (33) in the end face back to described bolt head (23) (31) of the described body of bolt (22) and feed transverse holes (29) in the side surface of the described body of bolt (22), wherein, there is the fluid path that leads to the inlet of described transverse holes (29) from the inlet in described vertical hole (33).
2. by the described throttling bolt of claim 1, wherein, described fluid path has nozzle section (35) narrow positions in other words in the inside of the described body of bolt (22).
3. by the described throttling bolt of claim 2, wherein, construct described transverse holes (29) and/or described vertical hole (33) is used to hold screw-in nozzle (10).
4. by the described throttling bolt of claim 2, wherein, described vertical hole (33) is intersected with described transverse holes (29) and described vertical hole (33) narrows down in this intersecting area steppedly.
5. by each described throttling bolt in the aforesaid right requirement, have radially and/or axially first circular groove (37) of indentation being arranged on from the described body of bolt (22) to the transition region of described bolt head (23), in this first circular groove, can arrange Sealing.
6. by each described throttling bolt in the aforesaid right requirement, wherein, the described body of bolt (22) has outside thread (24,25) and described outside thread (24,25) to be interrupted by second circular groove (27) of radially indentation, and described transverse holes (29) feeds in described second circular groove.
7. by the described throttling bolt of claim 6, wherein, the threaded sections (25) between described second circular groove (27) and described end face (31) of the described body of bolt (22) is to the youthful and the elderly 4mm, and preferably roughly long 5mm, 6mm or 7mm in case of necessity also can long 10mm.
8. by each described throttling bolt in the aforesaid right requirement, wherein, this throttling bolt especially has visual indicia on its bolt head (23), this visual indicia has illustrated at the diameter by nozzle section (35) in the fluid path of the described body of bolt (22).
9. hydraulic pressure installation, especially control panel or controll block or valve, be suitable for holding by each described throttling bolt (20) in the claim 1 to 8, have receiving bore (3), feed the first fluid passage (3 ') in the described receiving bore (3) and radially feed second fluid passage (5) in the described receiving bore (3) vertically, described receiving bore since its structure with and shape be used for holding at least the body of bolt (22) of described throttling bolt (20).
10. by the described hydraulic pressure installation of claim 9, wherein, described receiving bore (3) comprises threaded sections (17), forms screw thread in this threaded sections continuously, and described second fluid passage (5) especially roughly feeds in the described threaded sections (17) in the centre.
11. by the described hydraulic pressure installation of claim 10, wherein, described threaded sections (17) is a bore section, this bore section has constant radius on its length.
12. by claim 10 or 11 described hydraulic pressure installation, wherein, threaded sections (19) between the inlet of the inlet of described first fluid passage (3 ') and described second fluid passage (5) has the length of 4mm at least, preferably have the length of roughly 5mm, 6mm or 7mm, also have the length of 10mm in case of necessity.
13. equipment comprises by each described hydraulic pressure installation (1) in the claim 9 to 12 and by each described throttling bolt (22) in the claim 1 to 8.
CN201110066096.8A 2010-03-19 2011-03-18 Throttling bolt and hydraulic means Active CN102192216B (en)

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

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CN102192216A true CN102192216A (en) 2011-09-21
CN102192216B CN102192216B (en) 2016-09-07

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DE (1) DE102010012207A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
US20240200583A1 (en) * 2022-12-15 2024-06-20 ZF Off-Highway Solutions Minnesota Inc Dual orifice component

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711883A (en) * 1952-10-09 1955-06-28 Reeves Edward Carburetor
CN2080114U (en) * 1990-11-18 1991-07-03 杨宝林 Electric remote control stepless pressure adjusting device
JPH04175462A (en) * 1990-11-06 1992-06-23 Usui Internatl Ind Co Ltd Connecting structure of branch connector in high pressure fuel block
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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DE102010012207A1 (en) 2011-09-22
CN102192216B (en) 2016-09-07

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