WO2020035597A1 - Dämpfungselement mit bajonettverschluss - Google Patents
Dämpfungselement mit bajonettverschluss Download PDFInfo
- Publication number
- WO2020035597A1 WO2020035597A1 PCT/EP2019/072022 EP2019072022W WO2020035597A1 WO 2020035597 A1 WO2020035597 A1 WO 2020035597A1 EP 2019072022 W EP2019072022 W EP 2019072022W WO 2020035597 A1 WO2020035597 A1 WO 2020035597A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- damping element
- groove
- section
- face
- recess
- Prior art date
Links
- 238000013016 damping Methods 0.000 title claims abstract description 175
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 7
- 239000005060 rubber Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 229920006168 hydrated nitrile rubber Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0241—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread with the possibility for the connection to absorb deformation, e.g. thermal or vibrational
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0258—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using resiliently deformable sleeves, grommets or inserts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/10—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of bayonet connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/376—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having projections, studs, serrations or the like on at least one surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/377—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having holes or openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3835—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by the sleeve of elastic material, e.g. having indentations or made of materials of different hardness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Definitions
- the invention relates to a damping element which has a groove on its peripheral surface which is open to an end face of the damping element. Furthermore, the invention relates to a device for vibration-damped fastening of a first body to a second body, the device having a damping element. The invention further relates to a device comprising a first body and a
- the invention also relates to a device comprising a first body and a damping element which can engage in a recess in the first body.
- DE 10048889 A1 discloses a hollow cylindrical damping element for fastening a body to a plate via a screw.
- the damping element is arranged in a sleeve-shaped housing.
- the connection between the damping element and the housing is done by complementary shaping of the damping element and
- a rubber buffer for mounting a bonnet on a body component is known.
- the rubber buffer has a basic body in the form of a cylindrical element with a spiral groove. With the help of the spiral groove, which acts as a screw thread, the rubber buffer can be screwed into the inner panel of the bonnet.
- US Pat. No. 4,430,776 describes a rubber buffer for connecting two panels.
- the rubber buffer has elastic projections, which are separated from the rest of the material of the rubber buffer on two of four of their sides by an L-shaped recess for the purpose of mobility, and various projections.
- DE 102011081469 A1 an aggregate fastening device for the vibration-capable fixing of a motor or transmission on a chassis is known.
- a first bearing part on the engine side and a second bearing part on the chassis side are marked by a first bearing part on the engine side and a second bearing part on the chassis side are marked by a
- Vibration-damping element connected to one another, which is fixed in the second bearing part by a bearing cover.
- the bearing cover is connected to the second bearing part by a thread or by a bayonet lock.
- the invention is based on the object of providing an improved damping element which has a groove on its circumferential side which is open to an end face of the damping element. Furthermore, the invention is based on the object of providing an improved device for vibration-damped fastening of a first body to a second body. The invention is also based on the object of providing an improved device comprising a first body and a damping element. Finally, the invention is also based on the object of providing an improved device comprising a first body and a damping element which can engage in a recess in the first body. In particular, the aim of the invention is that the damping element can be attached to and separated from the first body with little effort.
- the problem is solved by a damping element with the features of claim 1.
- the damping element has on its circumferential surface a groove that is open to an end face of the damping element, a first section of the groove that is open to the end face of the damping element essentially runs in the longitudinal direction of the damping element.
- end faces two opposite sides of the damping element are referred to as “end faces” and the, preferably closed, surface connecting these two sides is referred to as a “circumferential surface”.
- the face to which the groove is open is called the "first face", the opposite
- the peripheral surface is preferably a cylindrical, particularly preferably circular cylindrical surface.
- the “longitudinal direction” of the damping element is the direction of an axis that runs through the center of gravity of the two end faces.
- the preferred groove has a first and a "second end”. In the following, the end of the groove that is open to the end face is referred to as the “first end” of the groove
- Substantially in the longitudinal direction means that the groove or the section of the groove encloses an angle of less than 45 ° with the longitudinal direction.
- the groove or the section of the groove preferably extends in the longitudinal direction of the damping element.
- a projection in the recess of the first body can run into the groove in the direction of the longitudinal extent of the groove.
- a “projection” in the sense of the present invention can be, for example, a cam or a web. Due to the fact that the groove extends essentially in the longitudinal direction of the damping element, the damping element can be inserted into the recess of the first body conveniently and quickly, because no significant rotational movement has to be carried out when it is inserted. It can be achieved that the damping element and the first body can be plugged into one another in the manner of a bayonet lock.
- the object of the invention is achieved by a damping element which has at least two grooves on its peripheral surface which are open to an end face of the damping element.
- the damping element can advantageously be fastened particularly securely to the first body.
- the problem is also solved by a damping element with the features of claim 3.
- the damping element has on its peripheral surface a groove open to an end face of the damping element, the groove having a constriction.
- a "constriction” is a section of a groove that is narrower than both a section of the groove immediately preceding the constriction and a section immediately following the constriction. With the constriction, it is possible to achieve a projection that engages in the groove Must overcome the bottleneck to get from one side to the other of the bottleneck. The constriction can make it difficult to release the damping element from the recess in the first body if the projection is located on the section of the groove facing away from the first end of the groove.
- the device can be a first body by means of
- the object of the invention is also achieved by a device having the features of claim 17.
- the device comprises a first body and the like
- the device comprises a first body and a first body
- Damping element that can engage in a recess in the first body.
- the recess of the first body has a groove which is open to an end face of the first body, and the damping element has a projection which can run into the groove when the damping element engages in the recess of the first body.
- the “front side” of the first body is the side from which the damping element can be inserted into the recess of the first body. It is achievable that
- the first body can be a pump, e.g. a vacuum, oil or
- Coolant pump e.g. B. a cooling water pump, in particular the housing of such a pump, for an engine, in particular an internal combustion engine.
- the second body can be the engine itself, in particular its engine block.
- the pump unit can also be adapted to other assemblies, the solution is therefore not limited to the connection to an internal combustion engine.
- the preferred damping element comprises, particularly preferably consists of, a rubber-elastic material, preferably an elastomer, for example hydrogenated acrylonitrile butadiene rubber (HNBR) or ethylene-propylene-diene rubber (EPDM).
- HNBR hydrogenated acrylonitrile butadiene rubber
- EPDM ethylene-propylene-diene rubber
- the preferred damping element or the preferred first body have at least two, preferably three or four, grooves on their peripheral surface which are open to the same end face of the damping element or the first body.
- the grooves preferably run parallel to one another.
- the grooves are preferably of identical design.
- the grooves are preferably evenly spaced from one another on the circumferential surface of the damping element.
- the grooves are particularly preferably arranged in a rotationally symmetrical manner with respect to the longitudinal axis of the damping element, particularly preferably in n-fold rotationally symmetrical fashion, where n is the number of grooves.
- the damping element has only one groove.
- the groove (s) or at least the first section of the groove (s) open to the end face of the damping element or the first body preferably closes or closes an angle of less than 45 °, particularly preferably less than 30 °, particularly preferably with the longitudinal direction less than 15 °, particularly preferably less than 5 °.
- the groove (s) or the section of the groove (s) open to the end face preferably runs in the longitudinal direction of the damping element or the recess of the first body.
- the “longitudinal direction” of the first body is the direction in which the damping element can be inserted into the recess.
- the longitudinal direction of the first body preferably runs perpendicular to the end face of the first body.
- the preferred recess in the first body is a substantially cylindrical, particularly preferably circular cylindrical hole. Particularly preferably a through hole.
- the preferred groove (s) of the damping element or of the first body has or have a constriction. It can be achieved with the constriction that a projection of the first body or the damping element has to overcome the constriction in order to get from one side to the other of the constriction.
- the second end of the groove (s) is preferably closed, that is to say not open to an end face of the damping element or of the first body. In this way it can be achieved that a projection cannot leave the groove through the second end and the damping element can thus be released from the recess.
- the groove (s) of the damping element or of the first body has or have
- the “circumferential direction” is a direction that forms a right angle with the longitudinal direction of the damping element or the first body. “Essentially in the circumferential direction” means that the second section of the first groove with the circumferential direction has an angle of less than 40 °, especially
- a particularly preferred second section runs in the circumferential direction of the damping element or the first body.
- the second section of the groove (s) preferably has the closed end of the respective groove.
- the constriction is preferably between the first and the second
- the second section is preferably just large enough to accommodate the projection.
- a preferred damping element has a handling section.
- Handling sections are preferably on the circumferential side of the damping element at least one or more, then preferably evenly spaced in the circumferential direction, depression (s), projection / projections or
- Handle section by hand or with a tool to rotate the damping element about its longitudinal direction relative to the first body. By rotating the projection can be moved over the constriction in order to fix the damping element to the first body or to release it.
- the handling section is preferably located between the groove (s) and the second end face of the damping element.
- the damping element is preferably ring-shaped. “Ring-shaped” means that the damping element has a hole which runs from the first end face through the
- Damping element to the second end face is sufficient.
- the preferred hole is cylindrical at least in sections, particularly preferably circular cylindrical.
- the preferred damping element is a hollow cylinder, particularly preferably a circular hollow cylinder.
- a sleeve is preferably arranged in the hole of the damping element.
- the sleeve is preferably made of metal, for example steel, particularly preferably of sheet steel, or of plastic.
- the preferred sleeve spans more than half of the longitudinal extent of the hole, that is to say the distance from one end to the other end of the hole, particularly preferably spanning at least 70%, particularly preferably at least 90% of the hole. However, it preferably does not span the entire hole.
- the latter has the advantage that the damping element can be compressed in its longitudinal direction without the sleeve thereby emerging from the damping element on one end face, in particular the second end face.
- the peripheral surface of the sleeve preferably partially or completely adjoins the peripheral surface of the hole of the damping element. Damping element and sleeve are preferably positively connected to each other. It is thereby achievable that the sleeve can be fixed in the damping element in order to prevent the sleeve from slipping out of the damping element.
- the hole of the damping element has at least two sections of different hole diameter for this purpose.
- the preferred sleeve has at least two corresponding sections of different outside diameters, a section of smaller outside diameter of the sleeve adjoining a section of smaller hole diameter of the hole and a section of larger outside diameter of the sleeve adjoining a section of larger hole diameter of the hole of the damping element.
- the sleeve preferably has a radially outward projection on one end face of the damping element, which is particularly preferably adjacent to the end face of the damping element. This projection can help to fix the sleeve and the damping element to one another in a form-fitting manner.
- Damping element with inserted sleeve vulcanized or the damping element is glued to the sleeve.
- the preferred device for vibration-damping fastening of a first body to a second body has in addition to the damping element
- the preferred fastening element can engage in the hole of the damping element and in a recess in the second body in order to connect them.
- the preferred second body has a recess into which the fastening element engages at least in sections.
- the preferred recess is an essentially cylindrical, particularly preferably circular cylindrical hole.
- the hole can be a
- Countersunk hole i.e. a hole closed on one side, or a through hole.
- Recesses of the first body and the second body are preferably aligned coaxially or at least overlapping one another.
- the fastening element spans the hole of the damping element, that is to say that it extends through the entire longitudinal extent of the hole from one end face of the damping element to the other end face of the
- the fastening element is preferably arranged so that it is secured against loss.
- the preferred sleeve has a constriction on its inside, particularly preferably at one end of the sleeve.
- the fastening element preferably has two sections each with a diameter which is so large that it cannot overcome the constriction of the sleeve, these sections of the screw being arranged on opposite sides of the constriction of the sleeve.
- a portion of increased diameter is preferably formed by a head of the fastener.
- a second section of increased diameter is preferably located in the area of a bolt of the fastening section and is referred to below as
- the narrowing of the sleeve is preferably located at the end of the sleeve facing the head of the fastening element.
- the preferred fastener has a head with a chin.
- the diameter of the chin is preferably larger than the diameter of the hole of the damping element, so that the head of the fastening element cannot get into the hole. This can advantageously the damping element or the combination of the
- Damping element and the sleeve between the chin and the face of the second body can be set.
- the preferred chin has such a large diameter that it can engage the second end face of the damping element in order to
- the preferred fastener is a screw.
- a screw in the sense of the present invention has a head and a bolt, the bolt having a thread at least in sections, particularly preferably at least at the end at which the head is not located.
- the preferred grooves of the damping element are towards the front of the damping element
- Damping element open which is the end face that is closest to the head of the fastener.
- the device can be inserted with the front side of the damping element facing away from the head into the recess of the first body, a projection in the recess of the first body entering the groove in the direction of the longitudinal extent of the groove.
- the thread of the fastening device is preferably on the side of the securing section facing away from the head.
- the recess in the second body is preferably equipped with a counter thread corresponding to the thread of the fastening element, so that the
- Device can be attached to the second body by screws.
- FIG. 1 shows a damping element according to the invention in (a) perspective view and (b)
- FIG. 2 shows a device according to the invention comprising a damping element, first body, sleeve and fastening element in the transport position in (a) perspective view and (b) cross-sectional view;
- FIG. 3 shows a device according to the invention comprising a damping element, first body, sleeve and fastening element in the fastening position in (a) perspective view and (b) cross-sectional view;
- Figure 4 shows the recess of the first body in (a) a first cross-sectional view
- Figure 5 is a cross-sectional view of the device of Figures 2 and 3 in the first
- a damping element 1 according to the invention has an annular, specifically hollow cylindrical shape, the first 2 and the second 3 end faces being connected by a peripheral surface 4 of the damping element 1.
- peripheral surface 4 there are four grooves 5, the first ends 6 of which are open to the first end face 2 and the second ends 7 of which are closed.
- the grooves 5 are identical to one another and, as can be clearly seen in FIGS. 5a and 5b, are evenly spaced from one another.
- Each groove 5 has, in the manner of the groove of a bayonet fitting, a first section 8 which comprises the open end 6 of the groove and a second section 9 which forms the closed end 7 of the Groove includes.
- Section 8 runs in the longitudinal direction of the damping element 1, the second section in the circumferential direction of the damping element 1. Between the two sections 8, 9 there is a constriction. In the longitudinal direction of the damping element 1 is the height of the Constriction 10 (see Figure 1 b) smaller than that of a projection 1 1 in a recess 13 of a first body 12 (see Figure 4b), which can engage in the groove 5 in order to
- Damping element 1 in the area of the constriction 10 is moved beyond the constrictions 10 into the second section 9 of the groove 5 in order to come to rest there. This position can be seen in Figure 5b. In the area of the first section 8 of the grooves 5, this has
- the recess 13 in the first body 12 is a circular cylindrical through hole.
- the first body 12 is a coolant pump and is shown symbolically in the figures only as a ring around its recess 13 for simplification.
- the damping element has a handling section with four depressions 15 that are evenly spaced on the circumferential side of the damping element.
- the handling element has only one depression.
- the handling section is located between the grooves 5 and the second end face 3 of the damping element 1 and, as can be clearly seen in FIGS. 2a, 2b, 3a and 3b, also protrudes beyond the recess 13 in the first body 12 when the damping element 1 is in the recess 13 is fixed.
- a fitter can grip the handling section by hand or with a tool in order to rotate the damping element 1 about its longitudinal direction relative to the first body 12 and thus to fasten it to or detach it from the first body 12.
- a hole 16 of the damping element 1 extends from the first 2 to the second end face 3 of the damping element 1.
- a sleeve 17 is arranged in the hole 16, which spans the hole from the first end face 2 to just before the second end face 3.
- damping element 1 To define damping element 1, it has an upper section 18 with a slightly larger outer diameter than that of a lower section 19, and the hole 16 of the damping element has a corresponding upper section 20 with a slightly larger inner diameter than that of a lower section 21.
- the sleeve 17 on the first end face 2 of the damping element 1 has a radially outwardly extending projection 22, which adjoins the first end face 2 of the damping element 1.
- a screw 23 with a head 24 and a shaft 25 engages as a fastening element in the hole of the sleeve 17 and is preferably arranged in the sleeve 17 so as to be secured against loss.
- the sleeve 17 has a constriction 26 on the inside at the end which faces the second end face 3 of the damping element 1.
- the screw has on its shaft 25 an annular securing portion 27 with a diameter which is so large that it cannot overcome the constriction 26 of the sleeve 17.
- the head 24 of the screw 23 also has a larger diameter than the constriction 26. The fact that the constriction 26 is located precisely between the head 24 and the securing section 27 prevents the screw 23 from falling out of the damping element 1.
- Damping element 1 first body 12, sleeve 17 and captive screw 23 is shown in Figures 2a and 2b.
- the damping element 1 is fixed in the recess 13 of the first body 12.
- the first body 12 with attached damping element 1 and screw 23 can be transported and delivered for mounting on a second body (not shown), in particular an internal combustion engine.
- the bolt 25 of the screw 23 has a thread 28 with which it can engage in a recess in the second body.
- the recess of the second body is a countersunk or through hole and is equipped with a corresponding internal thread for this purpose.
- the fastening position with screw 23 screwed into the recess of the second body is shown in FIGS. 3a and 3b.
- the head 24 of the Screw 23 has a chin 29, the diameter of which is so large that it can engage the second end face 3 of the damping element 1 in order to compress the damping element 1.
- grooves 5 and projections 11 are interchanged in such a way that the grooves 5 attach to the first body 12 and the projections 11 attach to the
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201980052654.XA CN112601895B (zh) | 2018-08-17 | 2019-08-16 | 具有卡口式锁合的阻尼元件 |
US17/267,277 US20210310505A1 (en) | 2018-08-17 | 2019-08-16 | Damping element having bayonet closure |
BR112021000915-9A BR112021000915A2 (pt) | 2018-08-17 | 2019-08-16 | Elemento de amortecimento com fechamento tipo baioneta |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018120105.2 | 2018-08-17 | ||
DE102018120105.2A DE102018120105B4 (de) | 2018-08-17 | 2018-08-17 | Dämpfungselement mit Bajonettverschluss |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020035597A1 true WO2020035597A1 (de) | 2020-02-20 |
Family
ID=67688770
Family Applications (1)
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PCT/EP2019/072022 WO2020035597A1 (de) | 2018-08-17 | 2019-08-16 | Dämpfungselement mit bajonettverschluss |
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US (1) | US20210310505A1 (de) |
CN (1) | CN112601895B (de) |
BR (1) | BR112021000915A2 (de) |
DE (1) | DE102018120105B4 (de) |
WO (1) | WO2020035597A1 (de) |
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EP4074988A1 (de) * | 2021-04-15 | 2022-10-19 | HENSOLDT Sensors GmbH | Unverlierbarer verbinder und verfahren zum verbinden |
CN114922890B (zh) * | 2022-05-11 | 2023-06-02 | 北京北汽模塑科技有限公司 | 一种模拟汽车焊接螺钉的定位结构 |
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DE102011081469A1 (de) | 2011-08-24 | 2013-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Aggregate-Befestigungseinrichtung für Kraftfahrzeuge |
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2018
- 2018-08-17 DE DE102018120105.2A patent/DE102018120105B4/de active Active
-
2019
- 2019-08-16 WO PCT/EP2019/072022 patent/WO2020035597A1/de active Application Filing
- 2019-08-16 CN CN201980052654.XA patent/CN112601895B/zh active Active
- 2019-08-16 BR BR112021000915-9A patent/BR112021000915A2/pt not_active IP Right Cessation
- 2019-08-16 US US17/267,277 patent/US20210310505A1/en active Pending
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US4430776A (en) | 1980-09-08 | 1984-02-14 | Matsushita Reiki Co., Ltd. | Combination vibration damper and fastener for union of two panels |
DE10048889A1 (de) | 2000-09-29 | 2002-04-11 | Europa Fasteners Gmbh | Befestigungs- und/oder Verbindungseinrichtung sowie Montageverfahren |
US20030002919A1 (en) * | 2001-06-28 | 2003-01-02 | Yuji Morita | Floating support structure having vibration damping member |
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DE102008057883A1 (de) | 2008-11-18 | 2010-05-27 | Audi Ag | Kraftfahrzeug mit frei gestalteter Frontklappe sowie Verfahren zum Betreiben eines Kraftfahrzeugs mit Frontklappe |
DE102011081469A1 (de) | 2011-08-24 | 2013-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Aggregate-Befestigungseinrichtung für Kraftfahrzeuge |
DE202013005336U1 (de) * | 2013-06-12 | 2014-07-14 | Böllhoff Verbindungstechnik GmbH | Steckkupplung mit einem elastisch verformbaren Kupplungsteil |
FR3071567A1 (fr) * | 2017-09-27 | 2019-03-29 | Societe D'outillage Et De Caoutchouc Pour Applications Techniques | Dispositif de fixation antivibratoire |
Also Published As
Publication number | Publication date |
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CN112601895B (zh) | 2022-08-23 |
DE102018120105B4 (de) | 2023-02-16 |
DE102018120105A1 (de) | 2020-02-20 |
CN112601895A (zh) | 2021-04-02 |
BR112021000915A2 (pt) | 2021-04-13 |
US20210310505A1 (en) | 2021-10-07 |
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