CN216009469U

CN216009469U - Gearbox supports bumper shock absorber

Info

Publication number: CN216009469U
Application number: CN202122239253.2U
Authority: CN
Inventors: 王德忠; 傅剑磊; 吕美娟
Original assignee: Ningbo Kingsun Automotive Technology Inc
Current assignee: Ningbo Kingsun Automotive Technology Inc
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-11
Anticipated expiration: 2031-09-15

Abstract

The application relates to a gearbox supporting shock absorber, and belongs to the technical field of shock absorbers. It includes urceolus and damping element, set up the hole of placeeing that supplies the damping element to install on the urceolus, install the balancing weight on the urceolus, the balancing weight is located place hole one side, damping element includes outer liner, an inner core section of thick bamboo and sets up the rubber spare between outer liner and an inner core section of thick bamboo. The method and the device have the effect of good balance.

Description

Gearbox supports bumper shock absorber

Technical Field

The application relates to the field of shock absorbers, in particular to a gearbox supporting shock absorber.

Background

The gearbox is a device for changing the rotating speed ratio and the moving direction on the automobile. The gearbox is generally mounted on a support of the automobile and needs to be supported in a shock-absorbing manner by a supporting reducer.

The suspension shock-absorbing device of the automobile gearbox is a main part used for ensuring the stable operation of the automobile gearbox, and the rotation of an automobile engine and the jolt generated by the running of the automobile can be added with dynamic pressure to cause the vibration and noise of related parts. The suspension damping device of the automobile gearbox plays a great role in damping and reducing noise. Therefore, the performance of the suspension damping device of the automobile gearbox is beneficial to reducing noise, prolonging the service life of the automobile, improving the comfort of taking the automobile and the like.

The existing gearbox shock absorber usually comprises an outer cylinder and a shock absorption element, wherein a placement hole for mounting the shock absorption element is formed in the outer cylinder, the shock absorption element comprises an outer liner, an inner core cylinder and a rubber part arranged between the outer liner and the inner core cylinder, and the shock of the outer cylinder transmitted to the inner core cylinder is buffered through the deformation buffering capacity of the rubber part.

Because when above-mentioned bumper shock absorber and gearbox were installed, the supporting force of bumper shock absorber to the gearbox generally is not towards vertical direction for the balanced effect of bumper shock absorber is not good, and then influences the shock attenuation effect.

Disclosure of Invention

In order to improve the balance performance of the shock absorber, the application provides a gearbox support shock absorber.

The application provides a gearbox supports bumper shock absorber adopts following technical scheme:

the utility model provides a gearbox supports bumper shock absorber, includes urceolus and damping element, set up the hole of placeeing that supplies the damping element installation on the urceolus, install the balancing weight on the urceolus, the balancing weight is located place hole one side, damping element includes outer liner, an inner core section of thick bamboo and sets up the rubber spare between outer liner and an inner core section of thick bamboo.

Through adopting above-mentioned technical scheme, through the one side installation balancing weight at the urceolus, under car quiescent condition, offset the effort of gearbox to the bumper shock absorber through the balancing weight for the bumper shock absorber keeps balanced state, has improved the equilibrium of bumper shock absorber, and indirect improvement the shock attenuation effect of bumper shock absorber, when the gearbox transmission shakes on the bumper shock absorber one side, the balancing weight of opposite side is by the pulling, under the effect of balancing weight inertial force, more consumption vibrations energy.

Optionally, the length of the inner core cylinder is greater than the thickness of the rubber part, and a sheath is sleeved on the end part of the inner core cylinder, which protrudes out of the rubber part.

Through adopting above-mentioned technical scheme, the rubber spare is partly salient to the inner core section of thick bamboo to make things convenient for the installation of sheath, the setting of sheath makes the inner core section of thick bamboo when with supporting other part bolt fastening, and wherein part direct contact inner core section of thick bamboo reduces the wearing and tearing of inner core section of thick bamboo.

Optionally, a counterweight portion is arranged on one side of the sheath, a positioning block is arranged on the outer wall of the end portion of the inner core cylinder, a mounting hole for the inner core cylinder to pass through is formed in the sheath, a positioning hole matched with the positioning block is formed in the hole wall of the mounting hole, and the counterweight portion and the counterweight block are located on the same side.

Through adopting above-mentioned technical scheme, the counter weight portion that sheath one side set up plays the effect the same with the balancing weight, further improves the equilibrium and the shock-absorbing capacity of bumper shock absorber.

Optionally, the upper part of the rubber part is provided with a damping hole.

Through adopting above-mentioned technical scheme, through seting up the shock attenuation hole on the rubber spare for the deformability of rubber spare under the extrusion is better, thereby improves the buffer capacity of bumper shock absorber through the rigidity that reduces the rubber spare.

Optionally, the rubber spare outer wall has seted up damping oil groove and with outer bush cooperation forms the oil pocket, the damping oil groove intussuseption is filled with fluid, the oil pocket includes upper oil pocket and lower oil pocket, lower oil pocket covers there is nylon runner plate, set up on the nylon runner plate with the inertia passageway of upper oil pocket intercommunication, the inertia passageway set up with the inertia hole of lower oil pocket intercommunication.

By adopting the technical scheme, the damping oil groove is filled with oil supply liquid, the oil is filled in the upper oil cavity and the lower oil cavity, when the shock transmission damper is in use, the rubber part deforms under extrusion, the volumes of the upper oil cavity and the lower oil cavity constantly change, when the volume of the upper oil cavity becomes larger and the volume of the lower oil cavity becomes lower, the oil flows into the lower oil cavity from the upper oil cavity, when the volume of the upper oil cavity becomes smaller and the volume of the lower oil cavity becomes larger, the oil is sucked into the upper oil cavity from the lower oil cavity, the oil reciprocates between the upper oil cavity and the lower oil cavity through the inertia channel, when the oil flows in the inertia channel, the inertia of the oil is very large, the energy is lost at the inlet and the outlet of the inertia channel for overcoming the inertia of the oil, thereby achieving the effect of dissipating vibration energy, and playing the effect of damping vibration.

Optionally, the rubber part orientation the lateral wall of outer bush is provided with annular sealed protruding, annular sealed protruding at least two and along rubber part thickness direction branch establishes damping oil groove's both sides.

Through adopting above-mentioned technical scheme, the annular seal that sets up is protruding for improve the leakproofness between outer bush and the rubber spare, make fluid be difficult to follow the interior outflow of oil pocket.

Optionally, a frame piece is arranged in the rubber piece, the frame piece includes two frame rings, and the two frame rings are correspondingly arranged on two sides of the damping oil groove.

By adopting the technical scheme, the framework piece is arranged, so that when the rubber piece deforms, the annular sealing bulge deforms less under the support of the framework ring, the abutting state of the annular sealing bulge and the outer bushing is kept better, and the sealing state of the oil cavity is kept.

Optionally, the framework piece further comprises at least two framework plates, the two framework plates correspond to two ends of the nylon runner plate respectively, and the framework plates are located between the two framework rings and integrated with the two framework rings.

By adopting the technical scheme, the arrangement of the framework plates enables the distance between the two framework rings to be kept stable, the strength of the framework rings is improved, the distance between the annular sealing bulges at the two sides of the damping oil groove is indirectly kept, the sealing stability is further improved, meanwhile, the framework plates are arranged at the two ends of the nylon runner plate, the support of the framework plates on the nylon runner plate is improved, the covering effect of the nylon runner plate on the lower oil cavity is enabled to be stable, and oil liquid is kept to flow in the inertial channel.

To sum up, through the balancing weight of installation in one side of urceolus, under the automobile quiescent condition, offset the effort of gearbox to the bumper shock absorber through the balancing weight for the bumper shock absorber keeps balanced state, has improved the equilibrium of bumper shock absorber, and indirect improvement the shock attenuation effect of bumper shock absorber, when the gearbox transmission shakes to one side on the bumper shock absorber, the balancing weight of opposite side is by the pulling, under the effect of balancing weight inertia force, more consumption vibrations energy.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural view of an outer tub in the embodiment of the present application;

FIG. 3 is a schematic view of the structure of a shock absorbing member in the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a rubber member and a skeleton member in an embodiment of the present application;

FIG. 5 is a schematic structural view of a rubber member in the embodiment of the present application;

fig. 6 is a schematic structural view of a rubber member and a nylon runner plate in the embodiment of the present application.

Description of reference numerals: 1. an outer cylinder; 11. placing the hole; 12. a balance hole; 2. a shock absorbing element; 3. a connecting strip; 31. connecting holes; 4. a balancing weight; 5. an outer liner; 6. an inner core barrel; 61. bolt holes; 62. positioning blocks; 63. a sheath; 631. mounting holes; 632. positioning holes; 64. a counterweight portion; 7. a rubber member; 71. a shock absorbing hole; 72. a lower oil groove; 73. an upper left oil sump; 74. an upper right oil groove; 75. an intermediate flow passage; 76. an upper oil duct; 77. an annular sealing protrusion; 78. placing a platform groove; 8. a nylon runner plate; 81. an inertial channel; 82. an inertia hole; 9. a frame member; 91. a skeleton ring; 92. a framework plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses gearbox supports bumper shock absorber.

Referring to fig. 1, a gearbox supports bumper shock absorber, including urceolus 1 and damping element 2, urceolus 1 is fixed with the frame to install the bumper shock absorber in the frame, urceolus 1 is wholly cylindricly and coaxial has seted up arrangement hole 11, and the extension is provided with on the urceolus 1 is used for the connecting strip 3 fixed with the frame, has seted up connecting hole 31 on the connecting strip 3, makes the connecting strip 3 can be fixed with the frame through bolt, screw class fastener.

Referring to fig. 1 and 2, still install balancing weight 4 on urceolus 1, balancing weight 4 is located arrangement hole 11 one side, and when bumper shock absorber and gearbox are connected, balancing weight 4 and gearbox are located the different sides of arrangement hole 11, balancing hole 12 has been seted up on urceolus 1, the axis of balancing hole 12 and the axis mutually perpendicular of arrangement hole 11, the balancing piece passes through a bolt fastening on urceolus 1, the balancing piece is the cylinder that highly is less than the diameter, the coaxial balancing piece and the threaded fixation in balancing hole 12 that run through of bolt, the outer parcel of balancing piece has the one deck rubber layer, with the shake collision injury that reduces the balancing piece.

Referring to fig. 1 and 3, damping element 2 interference cartridge is in arrangement hole 11, damping element 2 includes outer liner 5, inner core section of thick bamboo 6 and sets up rubber spare 7 between outer liner 5 and inner core section of thick bamboo 6, outer liner 5 interference cartridge is in arrangement hole 11, inner core section of thick bamboo 6 is located outer liner 5, and inner core section of thick bamboo 6 off-centre sets up, the axis of inner core section of thick bamboo 6 is located the radial radiation line of outer liner 5, inner core section of thick bamboo 6 is used for being connected with the gearbox, inner core section of thick bamboo 6 has seted up bolt hole 61 coaxially.

The axis of the outer bushing 5 is used as an original point to establish a direction, the axis of the inner core cylinder 6 is positioned right above, a plane formed by the axis of the inner core cylinder 6 and the axis of the outer bushing 5 is used as a boundary to divide the inner core cylinder into a left part and a right part, and the balance weight is positioned at the left upper part.

Referring to fig. 3 and 4, the rubber member 7 is installed between the inner core cylinder 6 and the outer liner 5, the rubber member 7 is fixed to the inner core cylinder 6 by gluing, the rubber member 7 is in interference fit with the outer liner 5, meanwhile, the rubber member 7 is provided with a damping hole 71, the damping hole 71 is located above the inner core cylinder 6, and the damping hole 71 is composed of two parts which are bilaterally symmetrical and connected.

Referring to fig. 3 and 4, the rubber member 7 has been provided with damping oil grooves toward the outer wall of the outer liner 5, the damping oil grooves include a lower oil groove 72, a left upper oil groove 73 and a right upper oil groove 74, and the three oil grooves are circumferentially arranged along the outer wall of the rubber member 7, wherein the lower oil groove 72 is located right below the inner core cylinder 6, the left upper oil groove 73 and the right upper oil groove 74 are located above the inner core cylinder 6 and are respectively arranged left and right, the lower oil groove 72 is communicated with the left upper oil groove 73 through an intermediate flow passage 75, the lower oil groove 72 is communicated with the right upper oil groove 74 through an intermediate flow passage 75, and the left upper oil groove 73 is communicated with the right upper oil groove 74 through an upper oil passage 76.

Wherein the left upper oil groove 73 and the right upper oil groove 74 correspond to two parts of the damping hole 71 one by one, so that the hole wall of the damping hole 71 is arranged convexly inwards, thereby keeping the thickness of the rubber member 7 at the position while the left upper oil groove 73 and the right upper oil groove 74 are arranged.

Referring to fig. 3 and 4, damping oil groove and outer liner 5 cooperation form the oil pocket, wherein oil pocket 72 forms the oil pocket with outer liner 5 cooperation down with down, oil pocket 73 in a left side and right oil pocket 74 and outer liner 5 cooperation form the oil pocket, it has fluid all to fill in oil pocket and the oil pocket down simultaneously, rubber 7 is provided with annular seal arch 77 towards the integrative protrusion of lateral wall of outer liner 5, annular seal arch 77 has four, two liang of annular seal arch 77 divide the both sides of establishing damping oil groove along rubber 7 thickness direction, annular seal arch 77 warp the back, better holding and outer liner 5's butt, thereby better maintenance leakproofness.

Referring to fig. 5 and 6, the nylon runner plate 8 is installed to the lower oil groove 72, cover the lower oil groove 72 through the nylon runner plate 8, the both ends of the extending direction of the lower oil groove 72 are provided with the settling platform grooves 78, the depth of the settling platform grooves 78 is adapted to the thickness of the nylon runner plate 8, the settling platform grooves 78 are used for settling the end portion of the nylon runner plate 8, the nylon runner plate 8 is provided with an inertia channel 81 communicated with the upper oil cavity, the bottom of the inertia channel 81 is provided with an inertia hole 82 communicated with the lower oil cavity, oil passes through the inertia hole 82, the inertia channel 81 and the middle flow channel 75 flow between the upper oil cavity and the lower oil cavity.

Referring to fig. 4, meanwhile, a frame member 9 is arranged in the rubber member 7, the frame member 9 is annular as a whole, the abutting state between the outer side wall of the rubber member 7 and the outer bushing 5 is maintained, the frame member 9 includes two frame rings 91 and two frame plates 92, the two frame rings 91 are correspondingly arranged on two sides of the damping oil groove, and the outer side wall of each frame ring 91 corresponds to the two annular sealing protrusions 77 on the same side.

Referring to fig. 4, three skeleton plates 92 are arranged along the circumferential direction of the rubber member 7, and meanwhile, the skeleton plates 92 are located between the two skeleton rings 91 and integrated with the two skeleton rings 91, wherein the two skeleton plates 92 are respectively disposed below the two placement platform grooves 78 and correspond to two ends of the nylon runner plate 8, and the other skeleton plate 92 is located below the upper oil duct 76.

Referring to fig. 1 and 3, the length of an inner core section of thick bamboo 6 is greater than the thickness of rubber spare 7, make the equal protruding rubber spare 7 in both ends of an inner core section of thick bamboo 6, the tip outer wall protrusion of the protruding rubber spare 7 of an inner core section of thick bamboo 6 is provided with locating piece 62, locating piece 62 is located directly over the inner core section of thick bamboo 6 axis, two tip cover of an inner core section of thick bamboo 6 all are equipped with sheath 63 simultaneously, sheath 63 sets up the mounting hole 631 that supplies the inner core section of thick bamboo 6 to pass, the pore wall of mounting hole 631 is seted up with locating piece 62 complex locating hole 632, sheath 63 one side is equipped with counter weight portion 64 simultaneously, counter weight portion 64 is located the homonymy with balancing weight 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A gearbox supports bumper shock absorber which characterized in that: including urceolus (1) and damping element (2), set up the hole of settling (11) that supplies damping element (2) to install on urceolus (1), install balancing weight (4) on urceolus (1), balancing weight (4) are located hole of settling (11) one side, damping element (2) include outer liner (5), inner core section of thick bamboo (6) and set up rubber spare (7) between outer liner (5) and inner core section of thick bamboo (6).

2. A transmission support damper as set forth in claim 1 wherein: the length of the inner core cylinder (6) is larger than the thickness of the rubber part (7), and a protective sleeve (63) is sleeved at the end part of the inner core cylinder (6) protruding out of the rubber part (7).

3. A transmission support damper as set forth in claim 2 wherein: sheath (63) one side is equipped with counter weight portion (64), interior core section of thick bamboo (6) tip outer wall is equipped with locating piece (62), the confession is seted up in sheath (63) mounting hole (631) that interior core section of thick bamboo (6) passed, the pore wall of mounting hole (631) seted up with locating piece (62) complex locating hole (632), counter weight portion (64) with balancing weight (4) are located the homonymy.

4. A transmission support damper as set forth in claim 3 wherein: the upper part of the rubber piece (7) is provided with a damping hole (71).

5. A gearbox support damper as set forth in claim 4 wherein: rubber spare (7) outer wall seted up damping oil groove and with outer bush (5) cooperation forms the oil pocket, the damping oil groove intussuseption is filled with fluid, the oil pocket includes last oil pocket and lower oil pocket, lower oil pocket covers has nylon runner board (8), set up on nylon runner board (8) with inertia passageway (81) of going up the oil pocket intercommunication, inertia passageway (81) seted up with inertia hole (82) of lower oil pocket intercommunication.

6. A gearbox support damper as set forth in claim 5 wherein: rubber spare (7) orientation the lateral wall of outer bush (5) is provided with annular seal arch (77), annular seal arch (77) are at least two and divide along rubber spare (7) thickness direction and establish damping oil groove's both sides.

7. A transmission support damper according to claim 6, wherein: the rubber piece (7) is internally provided with a framework piece (9), the framework piece (9) comprises two framework rings (91), and the two framework rings (91) are correspondingly arranged on two sides of the damping oil groove.

8. A transmission support damper according to claim 7, wherein: the framework piece (9) further comprises at least two framework plates (92), the two framework plates (92) correspond to two ends of the nylon runner plate (8) respectively, and the framework plates (92) are located between the two framework rings (91) and integrated with the two framework rings (91).