EP2723534B1 - Outil de montage ou de démontage d'une douille filetée métallique sans tourillon - Google Patents

Outil de montage ou de démontage d'une douille filetée métallique sans tourillon Download PDF

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Publication number
EP2723534B1
EP2723534B1 EP12729135.9A EP12729135A EP2723534B1 EP 2723534 B1 EP2723534 B1 EP 2723534B1 EP 12729135 A EP12729135 A EP 12729135A EP 2723534 B1 EP2723534 B1 EP 2723534B1
Authority
EP
European Patent Office
Prior art keywords
blade
spring
tool
entraining blade
contour
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.)
Active
Application number
EP12729135.9A
Other languages
German (de)
English (en)
Other versions
EP2723534A1 (fr
Inventor
Holger Thommes
Uwe Kirchhecker
Andreas Marxkors
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boellhoff Verbindungstechnik GmbH
Original Assignee
Boellhoff Verbindungstechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Boellhoff Verbindungstechnik GmbH filed Critical Boellhoff Verbindungstechnik GmbH
Publication of EP2723534A1 publication Critical patent/EP2723534A1/fr
Application granted granted Critical
Publication of EP2723534B1 publication Critical patent/EP2723534B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17761—Side detent
    • Y10T279/17786—Spring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53687—Means to assemble or disassemble by rotation of work part
    • Y10T29/53691—Means to insert or remove helix
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/60—Biased catch or latch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/60—Biased catch or latch
    • Y10T403/602—Biased catch or latch by separate spring

Definitions

  • the present invention relates to a tool for installing or removing a tangless wire thread insert, a manufacturing method therefor, and a method for manually changing a driving blade in such a tool.
  • Such tools include a spindle body which usually has a drive portion and a threaded receiving portion for unscrewing the wire threaded insert.
  • a driving blade is arranged inside this spindle body.
  • This entrainment blade is an elongate construction with a central pivot point. This central pivot point is also often the point of attachment of the entrainment blade formed by a pin riveted in the spindle body.
  • a blade projection is arranged, which engages in the wire thread insert.
  • a spring is arranged so that the blade projection is resiliently biased into an engaged position in the wire thread insert.
  • a similar tool is in EP 1 838 499 disclosed.
  • the arranged in the spindle body driving blade is also spring-biased here. The movement of the driving blade via a cutting edge storage, so that the driving blade must not be riveted within the spindle body with a pin.
  • the entire tool is relatively long. As a result, a specific work space is included The installation and removal of wire thread inserts required, which is unfavorable in some installation situations.
  • the driving blades in particular the blade projections, wear after a certain number of insertion and / or removal cycles for wire thread inserts. Therefore, an exchange of the driving blade is required to continue to use the tool can.
  • This replacement of the driving blade is complex, since with different tools, the middle pin must be removed to attach the driving blade. If the driving blade is not fastened with a central pin, tools are required to open the spindle body to remove the driving blade. The subsequent installation of the new driving blade with pin is possible only with tools and a relatively high amount of time, so that valuable operating time of the tool is lost.
  • the tool according to the invention for installing or removing a tangless wire thread insert has the following features: a spindle body with a drive section and a receiving portion, wherein the receiving portion has a thread for unthreading or a threadless surface for receiving the wire thread insert, a driving blade, which is arranged in an axial recess of the receiving portion and is spring-mounted in the radial direction by a spring in an engaged position, so that a wire thread insert is vulnerable by the driving blade, while the driving blade in the axial recess by means of a fastening connection between the driving blade and the spindle body is manually attachable and interchangeable.
  • the tool according to the invention differs from the prior art by the design and handling of the driving blade, with the help of the wire thread inserts can be installed and removed.
  • this driving blade is installed in the spindle body, but it can be replaced without tools compared to the prior art.
  • tools of the prior art require a punch and a hammer to remove a blade holding pin
  • the catching blade of the present invention can be removed by the worker's finger or fingernail or a ballpoint pen. Neither tools nor complex and time-consuming steps are necessary.
  • This tool-free replacement is based on the attachment of the driving blade within the spindle body by means of a fastening connection.
  • This attachment compound is manually produced and also solvable again, so that at any time a pick-up blade can be removed from the spindle body and can be replaced by a new driving blade.
  • the driving blade comprises a negative or a positive fastening contour, which cooperates with a fitting contour of the spindle body formed within the recess.
  • the driving blade has an extension extending in the axial direction as a positive fastening contour, which in a matching opening within the recess of the spindle body intervenes. This matching opening correspondingly forms the negatively formed Aufsetzkontur the spindle body.
  • the present invention also includes a tool for installing or removing a studless wire thread insert, comprising the following features: a spindle body having a drive portion and a receiving portion, the receiving portion having a thread for unthreading or a threadless surface for receiving the wire thread insert, a driving blade, which is arranged in an axial recess of the receiving portion and is resiliently mounted in the radial direction by a spring in an engaged position, so that the wire thread insert is vulnerable by the driving blade, while the Mitnaluneklinge is formed integrally with the spring.
  • the present tool according to the invention is characterized by the special shape of the driving blade, with the help of the wire thread inserts can be installed and removed.
  • This driving blade is also manually interchangeable and thus does not require the tools required in the prior art.
  • the driving blade is characterized by the fact that it forms an integral structure with the biasing spring. This design reduces the number of parts of the tool and reduces assembly and maintenance costs.
  • the driving blade in combination with the spindle body is characterized by a mutually adapted fastening connection. Accordingly, the driving blade on a negative or positive fastening contour, which cooperates with a fitting thereto formed Aufsetzkontur the spindle body within the recess.
  • the attachment connection as a latching connection, as explained in more detail below.
  • the integrally formed driving blade with spring can also be permanently installed in the recess of the spindle body, as is generally known from the prior art.
  • the entraining blade preferably has a latching bearing contour on one side, with which the entraining blade can be detachably latched within the axial recess.
  • This detent bearing contour is according to one embodiment resiliently positive, in particular U-shaped, or according to another embodiment, resiliently negative, in particular O-shaped, formed and acts in each case with a complementary to the detent bearing contour shaped abutment of the axial recess of the spindle body together.
  • the detent bearing contour of the driving blade interacts with a corresponding abutment of the spindle body. If the locking bearing contour is U-shaped, it engages around the complementarily shaped abutment when installing the driving blade in the spindle body. It is also conceivable to form the latching bearing contour O-shaped, so that it can be releasably latched in a recess formed as an abutment.
  • the anvil is integrally formed in the spindle body within the axial recess or secured within the axial recess in the form of a separate part.
  • this is formed for example by erosion.
  • the other alternative can be realized by pressing a corresponding abutment, which is then held by a press fit within the axial recess and forms a corresponding hold for the latched catchment blade.
  • it is likewise preferred to install a pin extending transversely to the longitudinal axis of the receiving section in the axial recess. Both on this adapter as well as on this cross pin, the driving blade can be fastened or locked.
  • the axial recess is realized within the spindle body through a bore in which a slotted support sleeve is fixed with transversely extending to the slot pin for securing the driving blade.
  • the driving blade is U-shaped in combination with a spring, so that at least one U-leg is formed by the driving blade and another U-leg by the spring.
  • This constructive design ensures on the one hand a compact and space-saving design of the driving blade with spring. It also ensures that the spring is not lost when uninstalling or installing the driving blade, as it is connected to the driving blade.
  • the driving blade and the spring form an integral structure. Another space-saving advantage results from the fact that driving blade and spring are arranged parallel to each other. While the prior art remote spring and drive blade assembly results in an elongated tool, the compact U-shaped detent blade and spring design disclosed herein realizes a short tool design compared to the prior art.
  • the spring comprises at its axial end a radially outwardly projecting projection which extends in the longitudinal direction of the spring over a blade projection of the driving blade addition.
  • This structural alternative ensures that the driving blade is installed in its proper orientation within the spindle body.
  • the radially outwardly projecting projection of the spring blocks a mis-installation of the driving blade in the spindle body. In this way, the maintenance of the tool according to the invention is also reduced because a time-consuming deinstallation of a wrong-installed driving blade is prevented.
  • a manufacturing method for a tool for installing or removing a studless wire thread insert comprising the steps of: producing a spindle body having a drive portion and a threaded receiving portion, creating an axial recess within the receiving portion, preferably a one-sided radial Window, making a Carrying blade and manually detachable connecting the driving blade via a mounting connection within the axial recess.
  • the driving blade is structurally equipped with a fastening contour, preferably a detent bearing contour, which cooperates with a complementarily shaped abutment within the axial recess of the spindle body.
  • a fastening contour preferably a detent bearing contour
  • the driving blade is made in combination with a spring as an integral U-shaped structure, in particular eroded.
  • this construction ensures a compact design of the tool and also prevents additional installation steps for the spring, which biases the driving blade in the direction of the wire thread insert. Due to this construction, it is also ensured that the spring is not lost when uninstalling the driving blade, as it is permanently connected to the driving blade.
  • a positive U-shaped detent bearing contour or a negative O-shaped detent bearing contour is preferably produced on the entrainment blade. Furthermore, according to a further embodiment of the manufacturing method according to the invention, the axial recess is eroded and the counter bearing is eroded or pressed within the axial recess.
  • the receiving portion of the spindle body in the axial direction to insert a support sleeve with transverse pin in the resulting bore.
  • the inserted support sleeve with transverse pin forms the axial recess with an abutment, in and on which the driving blade with spring and positively U-shaped detent bearing contour is releasably fastened.
  • the present invention also discloses a method of manually changing a picking blade in a tool for installing or removing a tapeless wire thread insert having the following structural features: a spindle body having a drive portion and a receiving portion, the receiving portion having a thread for unscrewing the wire thread insert, an entrainment blade disposed in an axial recess of the receiving portion and resiliently supported by a spring in an engaged position so that a wire thread insert is vulnerable to the entrainment blade, the method comprising the steps of: manually gripping the entrainment blade in the axial one Recess, extracting the driving blade from the axial recess and manually inserting and securing, preferably latching, another driving blade in the axial recess.
  • the advantage of this method for manually changing the driving blade is that just no tool is required to remove, for example, a worn or defective driving blade from the spindle body and to be able to replace it with a new driving blade.
  • This possibility is based on the design that the entrainment blade is attached via a manually releasable mounting or locking bearing contour to a complementarily shaped abutment within the axial recess.
  • it is possible to replace the driving blade within the tool without tools and with little time.
  • illustrated tool 1 is used for installing and removing a tapless wire thread insert D in a threaded hole of a component (not shown). Since such wire thread inserts D and the manner in which they are screwed into a threaded hole, are known, it will not be discussed further.
  • the tool 1 according to the invention consists of a spindle body 10, a depth stop sleeve T with counter sleeve K, a receiving portion 14 with thread 16 or a pin-like threadless surface (not shown) and a driving blade 20 with blade projection 22.
  • the tool 1 according to the invention is also usable without depth stop sleeve T and counter sleeve K.
  • the tool 1 is explained by way of example with a receiving portion 14 with thread 16. These explanations apply in the same way for the receiving portion 14 with pin-like threadless surface (not shown) on which a wire thread insert is preferably clamped.
  • the spindle body 10 is seen from left to right from a drive section 12, an intermediate portion and a receiving portion 14 together.
  • the drive section 16 comprises a drive feature, for example a hexagon, which can be connected to a drive (not shown) for rotating the spindle body 10.
  • the position of the depth stop sleeve T is freely adjustable on the thread 16 of the receiving portion 14, where it is verkontert using the counter sleeve K.
  • the receiving portion 14 has an axial recess 30 in which the driving blade 20 is arranged.
  • the axial recess 30 extends in the axial direction of the receiving portion 14. It is preferably formed slit-shaped.
  • the axial recess 30 is also open at the end face of the spindle body 10 adjacent to the receiving portion 14 (see. Fig. 2 and 18 ).
  • the axial recess 30 in the region of a window 34 adjacent to the above-mentioned end face of the spindle body 10 is open.
  • the window 34 is preferably formed so long that a blade projection 22 of the entrainment blade 20 for engaging the wire thread insert D can reach through the window 34. Opposite the window 34, the radial outer wall of the axial recess 30 is formed closed.
  • the length of the tool 1 can be set arbitrarily and reduced to a minimum.
  • the driving blade 20 is approximately half as long compared to known driving blades, so that the length of the tool 1 is determined by the required dimensions of drive section 12 and threaded portion 14. In this way, the tool 1 can be adjusted in its length to different installation conditions and customer requirements.
  • the entrainment blade 20 comprises the already mentioned above blade projection 22 which engages through the radial window 34 on the wire thread insert D.
  • the blade projection 22 may be formed differently in shape, as is also known and will not be explained in detail.
  • the driving blade 20 comprises in addition to the blade projection 22 a locking bearing contour 28; 28 '.
  • the detent bearing contour 28 is resiliently positive, preferably U-shaped, formed so that it forms a positive connection with a pin-like abutment 32 (see. Fig. 4, 6 . 8th . 9, 10 . 14, 15 . 16 . 18 ).
  • the anvil 32 is formed adjacent to or near the axial end of the axial recess 30 that faces the drive portion 12.
  • the abutment 32 consists of the abovementioned pin 32, which extends in the axial direction of the spindle body 10.
  • the pin-like abutment 32 is formed by an adapter 40 with abutment 32 which is pressed into the axial recess 30, glued or otherwise secured there (see. FIGS. 14 and 15 ).
  • U-shaped detent bearing contour 28 It is also preferred to releasably lock the U-shaped detent bearing contour 28 to a pin 42 which extends transversely to the longitudinal axis of the receiving portion 14 through the axial recess 30 (see. Fig. 16, 17 and 18 ).
  • the pin 42 is riveted, glued or otherwise secured, for example, in the spindle body 10.
  • the pin 42 is arranged in a support sleeve 50 transversely to the longitudinal direction thereof.
  • the receiving portion 12 has been drilled in the axial direction beginning at the end face of the spindle body 10.
  • the support sleeve 50 is fixed, preferably pressed or glued, the one in Has longitudinal slot 52.
  • the slot 52 divides the support sleeve 50 into two mutually parallel opposite legs.
  • the support sleeve 50 is closed at an axial end face, in the vicinity of which the holes 54 are provided.
  • the pin 42 is arranged transversely to the longitudinal direction of the support sleeve 50 and the slot 52.
  • the pin 42 is fixed in the support sleeve 50 and the support sleeve 50 subsequently fixed in the above-mentioned bore. Thus, no hole must be provided in the receiving portion 14 for the pin 42.
  • the pin 42 passes through the radial outer wall of the receiving portion 14 and the support sleeve 50 and is fixed there.
  • the use of the support sleeve 50 with pin 42 has the advantage that the axial recess 30 by simple processing steps, such as drilling, turning, milling and gluing or pressing, can be made. Of course, it is also preferable to generate the axial recess 30 by erosion in the receiving portion 14.
  • the detent bearing contour 28 ' is formed negatively, so that it releasably locked in an abutment 32' with an opening.
  • the detent bearing contour 28 ' is O-shaped, as it Fig. 11-13 demonstrate.
  • the detent bearing contour 28 ' comprises a middle gap, so that two opposing resilient legs arise. It is also conceivable to form the detent bearing contour 28 'diamond-shaped and to adapt the shape of the abutment 32' in order to achieve a releasable locking.
  • the entrainment blade 20 is formed with or without spring 24. Regardless of the spring 24, the driving blade 20 is releasably latched in the axial recess 30, as has been described above.
  • the 4 and 5 show the driving blade 20 without spring 24 with positive locking bearing contour 28 and negative locking bearing contour 28 '.
  • the entrainment blade 20 is releasably secured in the axial recess 30.
  • a disposed in the axial recess 30 spring 24 thus biases the blade projection 22 in the engaged position in the wire thread insert D, so that the blade projection 22, the window 34 passes through.
  • the spring 24 is preferably secured to the inner wall of the recess 30 or to the driving blade 20 at at least one of the points of contact between the spring 24 and the inner wall or between the spring 24 and driving blade 20.
  • the entrainment blade 20 with the spring 24 forms an integral structure.
  • This integral structure is preferably U-shaped, so that the driving blade 20 forms a U-leg and the spring 24 forms the opposite U-leg. Even with this integral structure, the spring 24 biases the driving blade 20 with blade projection 22 into the engaged position on the wire thread insert D, so that the blade projection 22 passes through the window 34 (see above).
  • the integral structure of entrainment blade 20 and spring 24 is wire-eroded, so that it occupies only a small space.
  • the projection 26 protrudes radially inwardly relative to the spindle body 10 and extends in the direction of the blade projection 22 in the installed state of the integral structure Mit fortunekling 20 and spring 24 ensures the radially inwardly projecting projection 26, that the blade projection 22 is supported under mechanical load in the radial direction on the projection 26.
  • the radially inwardly projecting projection 26 is formed so large that the blade projection 22 can only spring radially inward to the extent that it releases the wire thread insert D. This minimizes the mechanical stresses on the resilient entrainment blade 20.
  • the radially inwardly projecting projection 26 contributes to the fact that the frontal opening of the axial recess 30 is largely closed to reduce the ingress of dirt.
  • this extends radially outward or in the opposite direction with respect to the blade projection 22 and in the longitudinal direction of the spring 24.
  • the longitudinal extension of the projection 26 is greater than the axial length of the blade projection 22 with respect to the longitudinal direction of the driving blade 20. It is further preferred that the longitudinal extent of the projection 26 is greater than the axial length of the window 34 with respect to the receiving portion 14 (see. Fig. 13 and 20 ).
  • the axial recess 30 of the receiving portion 14 is open only on one side in the region of the window 34 radially.
  • the projection 26 extends radially outward and in the axial direction in the manner described above. If the integral structure is now used in such a way that the radially outwardly projecting projection 26 is arranged in the window 34, the longitudinal extent of the projection 26 prevents the integral structure from being installed. For installation namely the driving blade 20 and spring 24 are moved towards each other until the back of the blade projection 22 is supported on the radially inwardly projecting projection 26.
  • the radially outwardly projecting protrusion 26 protrudes outward so far that the radial extent of the integral structure exceeds the inner opening of the axial recess 30.
  • Another installation of the integral structure in the axial direction of the receiving portion 14 is blocked by the drive portion 12 facing the end of the window 34, as it Fig. 20 shows.
  • the protrusion 26 ensures the installation of the integral structure of the entraining blade, 20 and spring 24 in the proper orientation.
  • the entrainment blade 20 is fastened in the recess 30 of the spindle body 10 by means of a latching connection. It is also preferable to fix the driving blade 20 by means of a fastening connection 29, 33 within the recess 30 of the spindle body 1. This fastening connection 29, 33 does not establish a latching connection between the entrainment blade 20 and the spindle body 10. Instead, this connection connection on the one hand to understand the known from the prior art connections between the spindle body 10 and driving blade 20 (not shown). That means using the attachment link the entrainment blade 20 is installed by means of tools within the recess 30 of the spindle body 10.
  • the entrainment blade 20 for example, at its projecting into the recess 30 in the end a closed eyelet, so that by means of a spindle body 10 passing pin, the driving blade within the recess 30 can be fastened.
  • This pin and thus also the driving blade 20 is installed and uninstalled using tools (not shown).
  • the attachment connection is a plug-in connection between entrainment blade 20 and spindle body 10.
  • the entrainment blade 20 comprises a positive attachment contour 33, as shown for example in FIG Fig. 21 is shown.
  • This positive fastening contour 33 is similar to an axial extension or pin formed so that it extends in the axial longitudinal direction of the driving blade and the spindle body 10.
  • the fastening contour 33 is preferably designed similar to a ball head, in order to enable a pivoting or resilient movement of the entrainment blade 20.
  • the fastening contour 33 is also preferred to mold the fastening contour 33 in a manner similar to a pin, so that the resilient movement of the entrainment blade 20 is made possible solely by the resilient material properties of the entrainment blade 20.
  • the positive fastening contour 33 of the entrainment blade 20 engages in a complementarily shaped negative fastening contour 29 of the spindle body 10 within the recess 30.
  • the negative fastening contour 29 of the recess 30 forms a recess for receiving the positive fastening contour 33.
  • a special embodiment of this fastening connection between the spindle body 10 and driving blade, 20 is the latching connection 28, 32 already described above between entrainment blade 20 and spindle body 10.
  • the entrainment blade, 20 comprises a negative fastening contour 33 '.
  • This negative fastening contour 33 ' is shown schematically in FIG Fig. 22 shown.
  • This negative fastening contour 33 ' is shaped such that it can receive a positive fastening contour 29' of the spindle body 10.
  • the positive fastening contour 29 'of the spindle body 10 is formed, for example, by a pin-like extension, an axial projection or a similar construction, which in axial Direction of the spindle body 10 extends within the recess 30 in the direction of the driving blade 20.
  • the negative fastening contour 33 'of the driving blade 20 Fits to the negative fastening contour 33 'of the driving blade 20 is formed.
  • Fig. 22 There is a preferred embodiment of the negative fastening contour 33 'in a U-shaped contour, which surrounds the positive fastening contour 29'. It is also conceivable that the negative fastening contour 33 'is formed by an annular construction whose enclosed annular surface is arranged perpendicular to the longitudinal axis of the driving blade 20. Due to this arrangement, the positive fastening contour 29 'within the annular mounting contour 33' can be accommodated.
  • latching bearing contours 28, 28 ', 32, 32' it is likewise preferred to use these as negative and positive fastening contours according to FIGS Figures 21 and 22 to realize. Therefore, there is also a preferred embodiment, the entrainment blade 20 of the Fig. 22 by means of an adapter 40 or a pin 42 to be secured within the recess 30 of the spindle body 10.
  • the present invention also discloses a preferred manufacturing method for the above-described tool 1.
  • An embodiment of this manufacturing method is described with reference to the flowchart in FIG Fig. 21 illustrated.
  • a first step S1 the spindle body 10 with drive section 12 and receiving section 14 with thread 16 is produced.
  • known manufacturing methods are used, which need not be discussed further here.
  • the axial recess 30 is produced within the receiving portion 14 with a one-sided radial window 34.
  • the axial recess 30 is produced by erosion.
  • the counter-bearing 32; 32 ' is eroded within the axial recess 30 according to a manufacturing alternative. It is also preferable that the abutment 32; 32 'separately as an adapter (see above) and then pressed into the axial recess 30, glued or fastened there in other ways.
  • the receiving portion 14 is drilled in the axial direction in step S2a.
  • the support sleeve 50 described above is used with the pin 42 so that the slot 52 of the support sleeve 50 forms the axial recess 30. It is also preferred to insert the pin 42 only after inserting the support sleeve 50 in the bore produced. In this case, the pin 42 also passes through holes in the receiving portion 14 in addition to the holes 54 in the support sleeve 50.
  • the driving blade 20 with locking bearing contour 28; 28 'or fastening contour 29, 29' or the integral structure consisting of entrainment blade 20 and spring 24 is preferably a positive attachment 29 or detent bearing contour 28, in particular a U-shaped detent bearing contour, or a negative attachment 29 'or detent bearing contour 28', in particular an O-shaped detent bearing contour, provided on the driving blade 20 (step S3).
  • step S4 a connection of the fastening contour 29, 29 'or latching bearing contour 28 takes place; 28 'of the entrainment blade 20 with a corresponding abutment 32; 32 '; 40; 42 within the axial recess 30.
  • the abutment is formed by a pin 32, a corresponding recess 32 ', an adapter 40 with pin 32, an axial extension 33 or a pin 42, as has been explained in detail above.
  • the established connection between driving leaf, 20 or integral structure with driving blade 20 is manually produced and also released again.
  • the present invention also discloses with reference to the flowchart of Fig. 22 a preferred embodiment of a method for manually changing the driving blade 20 in the tool described above 1. Regardless of whether the driving blade 20 with fastening contour 29, 29 'or latching bearing contour 28; 28 'is formed alone or as an integral structure in combination with the spring 24, in a first step I, a manual gripping of the entrainment blade 20 in the axial recess 30. In a second step II, the entrainment blade 20 or the integral structure with entrainment blade 20th and spring 24 is pulled out of the axial recess 30.
  • a new entrainment blade 20 or a new integral structure with entrainment blade 20 and spring 24 is manually inserted into the axial recess 30 and fastened or latched there in step IV.
  • This replacement process for the driving blade 20 requires no tools and can be realized in a small amount of time.
  • tools of the prior art require a punch and a hammer to remove a blade holding pin
  • the catching blade of the present invention can be removed by the worker's finger or fingernail or a ballpoint pen. Neither tools nor complex and time-consuming steps are necessary.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Knives (AREA)
  • Harvester Elements (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Milling Processes (AREA)

Claims (21)

  1. Outil (1) de montage ou de démontage d'une douille filetée métallique sans tourillon (D) qui présente les propriétés suivantes :
    a. un corps de broche (10) avec une section d'entraînement (12) et une section de logement (14), auquel cas la section de logement (14) présente un filetage (16) à tourner ou une surface non filetée pour le logement de la douille filetée métallique (D),
    b. une lame d'entraînement (20) qui est agencée dans un évidement axial (30) de la section de logement (14) et qui est logée élastiquement en direction radiale dans une position d'engagement à l'aide d'un ressort (24), de sorte que la douille filetée métallique (D) est susceptible d'être engagée par la lame d'entraînement (20), pendant que
    c. la lame d'entraînement (20) est susceptible d'être fixée manuellement dans l'évidement axial (30), entre la lame d'entraînement (20) et le corps de broche (10), au moyen d'un raccord de fixation (28, 32, 28', 32', 29, 33, 29', 33') et peut être remplacée, caractérisée en ce que
    le raccord de fixation (28, 32, 28', 32', 29, 33, 29', 33') est conçu en tant qu'assemblage par encliquetage ou assemblage enfichable pouvant être engendré ou desserré manuellement.
  2. Outil (1) de montage ou de démontage d'une douille filetée métallique sans tourillon (D), qui présente les propriétés suivantes :
    a. un corps de broche (10) avec une section d'entraînement (12) et une section de logement (14), auquel cas la section de logement (14) présente un filetage (16) à tourner ou une surface non filetée pour le logement de la douille filetée métallique (D),
    b. une lame d'entraînement (20) qui est agencée dans un évidement axial (30) de la section de logement (14) et qui est logée élastiquement en direction radiale dans une position d'engagement à l'aide d'un ressort (24), de sorte que la douille filetée métallique (D) est susceptible d'être engagée par la lame d'entraînement (20), caractérisée en ce que
    c. la lame d'entraînement (20) est conçue d'une seule pièce avec le ressort (24).
  3. Outil (1) selon la revendication 2, dont la lame d'entraînement (20) est susceptible d'être fixée manuellement dans l'évidement axial (30), entre la lame d'entraînement (20) et le corps de broche (10), au moyen d'un raccord de fixation (28, 32, 28', 32', 29, 33, 29', 33') et peut être remplacée.
  4. Outil (1) selon la revendication 1 ou 3, dont la lame d'entraînement (20) présente un contour de fixation négatif (33') ou positif (33) qui interagit avec un contour de mise en place (29', 29) adapté, conçu à cet effet, du corps de broche (10) à l'intérieur de l'évidement (30).
  5. Outil (1) selon la revendication 4, auquel cas le contour de fixation (33, 33') de la lame d'entraînement (20) est un prolongement semblable à une goupille (33) ou une ouverture annulaire (33') et le contour de mise en place (29, 29') est une cavité femelle (29) ou une saillie (29) s'étendant axialement.
  6. Outil (1) selon la revendication 1 ou 3, dont la lame d'entraînement (20) pour le raccord de fixation (28, 32, 28', 32', 29, 33, 29', 33') présente sur un côté un contour du palier d'encliquetage (28 ; 28') qui est susceptible d'être encliqueté, de manière amovible, avec la lame d'entraînement (20) à l'intérieur de l'évidement axial (30).
  7. Outil (1) selon la revendication 6, dont le contour du palier d'encliquetage (28 ; 28') est conçu élastiquement positif, en particulier en forme de U (28), ou élastiquement négatif, en particulier en forme de O (28') et interagit à chaque fois avec un contre-palier (32 ; 32') de l'évidement axial (30) formé de manière complémentaire au contour du palier d'encliquetage (28 ; 28').
  8. Outil (1) selon la revendication 7, dont le contre-palier (32, 32'' ; 40, 42) est conçu en un seul bloc dans le corps de broche (10) à l'intérieur de l'évidement axial (30) ou est fixé à l'intérieur de l'évidement axial (30).
  9. Outil (1) selon la revendication 1 ou 3, dont l'évidement axial (30) présente un adaptateur (40) enfoncé ou une goupille (42) passant transversalement par rapport à l'axe longitudinal de la section de logement (14) sur laquelle la lame d'entraînement (20) est susceptible d'être fixée.
  10. Outil (1) selon la revendication 1 ou 3, dont l'évidement axial (30) est un perçage dans lequel est fixé un manchon de support (50) fendu avec une goupille (42) passant transversalement par rapport à la fente (52) pour la fixation de la lame d'entraînement (20).
  11. Outil (1) selon la revendication 1 ou 2, dont la lame d'entraînement (20) est conçue en combinaison avec le ressort (24) en forme de U, de sorte à former au moins une branche en U par l'intermédiaire de la lame d'entraînement (20) et une autre branche en U par l'intermédiaire du ressort (24).
  12. Outil (1) selon la revendication 11, dont le ressort (24) comporte au niveau d'une extrémité axiale une saillie dépassant radialement vers l'extérieur (26) qui s'étend, en direction longitudinale du ressort (24), au-delà d'une saillie de lame (22) de la lame d'entraînement (20).
  13. Outil (1) selon la revendication 11, dont la lame d'entraînement (20) et le ressort (24) forment une structure monobloc.
  14. Lame d'entraînement (20) d'un outil (1), en particulier un outil (1) selon la revendication 1 ou 2, avec laquelle une douille filetée métallique sans tourillon (D) est susceptible d'être montée et démontée qui présente une saillie de lame (22), et
    qui présente un contour de fixation (28 ; 28' ; 33 ; 33'), avec lequel la lame d'entraînement est susceptible d'être manuellement fixée dans l'outil (1) et peut être remplacée, auquel cas le contour de fixation (28 ; 28', 33, 33') est conçu en tant que contour du palier d'encliquetage (28 ; 28') ou en tant que contour de fixation positif (33) ou négatif (33') d'un assemblage enfichable qui est susceptible d'être engendré ou desserré manuellement, et/ou
    qui est conçu d'une seule pièce avec ressort (24), de sorte que la lame d'entraînement (20) est susceptible d'être logée élastiquement dans l'outil (1) dans une position d'engagement.
  15. Lame d'entraînement (20) selon la revendication 14, auquel cas le contour de fixation négatif (33') ou positif (33) interagit avec un contour de mise en place (29', 29) adapté, conçu à cet effet, du corps de broche (10) à l'intérieur de l'évidement (30).
  16. Lame d'entraînement (20) selon la revendication 15, dont le contour de fixation positif (33, 33') de la lame d'entraînement (20) est un prolongement semblable à une goupille (33) ou une ouverture annulaire (33').
  17. Lame d'entraînement selon la revendication 14, auquel cas le contour du palier d'encliquetage est conçu élastiquement positif, en particulier en forme de U (28), ou élastiquement négatif, en particulier en forme de O (28').
  18. Lame d'entraînement (20) selon l'une quelconque des revendications de 14 à 17 qui est conçue en combinaison avec un ressort (24) en forme de U, de sorte à former au moins une branche en U par l'intermédiaire de la lame d'entraînement (20) et une autre branche en U par l'intermédiaire du ressort (24).
  19. Lame d'entraînement (20) selon la revendication 18, dont le ressort (24) comporte au niveau d'une extrémité axiale une saillie dépassant radialement vers l'extérieur (26) qui s'étend, en direction longitudinale du ressort (24), au-delà d'une saillie de lame (22) de la lame d'entraînement (20).
  20. Lame d'entraînement (20) selon la revendication 18 ou 19, dont la lame d'entraînement (20) et le ressort (24) forment une structure monobloc.
  21. Procédé de remplacement manuel d'une lame d'entraînement (20) dans un outil (1) de montage ou de démontage d'une douille filetée métallique sans tourillon (D), qui présente les propriétés suivantes : un corps de broche (10) avec une section d'entraînement (12) et une section de logement (14), auquel cas la section de logement (14) présente un filetage (16) à tourner de la douille filetée métallique (D), une lame d'entraînement (20) qui est agencée dans un évidement axial (30) de la section de logement (14) et qui est logée élastiquement en direction radiale dans une position d'engagement à l'aide d'un ressort (24), de sorte que la douille filetée métallique (D) est susceptible d'être engagée par la lame d'entraînement (20), auquel cas le procédé présente les étapes suivantes :
    a. saisie manuelle (I) de la lame d'entraînement (20),
    b. extraction (II) de la lame d'entraînement (20) hors de l'évidement axial (30) et
    c. insertion manuelle (III) et fixation (IV) d'une autre lame d'entraînement (20) dans l'évidement axial (30).
EP12729135.9A 2011-07-14 2012-06-22 Outil de montage ou de démontage d'une douille filetée métallique sans tourillon Active EP2723534B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011051846A DE102011051846B4 (de) 2011-07-14 2011-07-14 Werkzeug zum Ein- oder Ausbauen eines zapfenlosen Drahtgewindeeinsatzes, Herstellungsverfahren dafür und Verfahren zum manuellen Wechseln einer Mitnahmeklinge dieses Werkzeugs
PCT/EP2012/062141 WO2013007498A1 (fr) 2011-07-14 2012-06-22 Outil de montage ou de démontage d'une douille filetée métallique sans tourillon

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Publication Number Publication Date
EP2723534A1 EP2723534A1 (fr) 2014-04-30
EP2723534B1 true EP2723534B1 (fr) 2017-10-18

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EP12729135.9A Active EP2723534B1 (fr) 2011-07-14 2012-06-22 Outil de montage ou de démontage d'une douille filetée métallique sans tourillon

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US (1) US9764454B2 (fr)
EP (1) EP2723534B1 (fr)
JP (1) JP5959638B2 (fr)
CN (1) CN103747920B (fr)
DE (1) DE102011051846B4 (fr)
WO (1) WO2013007498A1 (fr)

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CN106312922B (zh) * 2016-08-31 2018-01-12 天津电力机车有限公司 一种深孔安装的钢丝螺套拆卸方法
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Also Published As

Publication number Publication date
JP5959638B2 (ja) 2016-08-02
CN103747920A (zh) 2014-04-23
DE102011051846B4 (de) 2013-01-24
US9764454B2 (en) 2017-09-19
JP2014520678A (ja) 2014-08-25
EP2723534A1 (fr) 2014-04-30
CN103747920B (zh) 2016-12-21
US20140373326A1 (en) 2014-12-25
DE102011051846A1 (de) 2013-01-17
WO2013007498A1 (fr) 2013-01-17

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