CN217814560U

CN217814560U - Stable hydraulic bushing

Info

Publication number: CN217814560U
Application number: CN202221483958.7U
Authority: CN
Inventors: 张书麟; 金亚明; 杜莉秋
Original assignee: Ningbo Ejoin Machinery Co ltd
Current assignee: Ningbo Ejoin Machinery Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-15
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to a hydraulic pressure bush technical field just discloses a stable form hydraulic pressure bush, including the bush outer tube, the inside vertical movable mounting of bush outer tube has the bush inner tube, the outside cover of bush inner tube is equipped with and hits the piece, the internally mounted of bush outer tube has the block rubber, the hydraulic pressure groove has all been seted up to the inside of block rubber, the block rubber suit is in the outside of hitting the piece, the mounting panel is all installed to the upper and lower both sides of bush outer tube, spacing dish is all installed at the middle part of mounting panel. The utility model discloses an effect of conducting hole can be when the bush receives the impact, and the rubber piece takes place to deform, makes the hydraulic oil of hydraulic pressure inslot portion flow the inside of decompression groove through the conducting hole, can promote the piston piece and compress the second spring, makes the second spring have reverse acting force to the piston piece, can realize the cushioning effect to hydraulic oil, prevents that the hydraulic oil pressure of hydraulic pressure inslot portion is too big to cause the impact and destroy to the rubber piece.

Description

Stable hydraulic bushing

Technical Field

The utility model relates to a hydraulic pressure bush technical field especially relates to a stable form hydraulic pressure bush.

Background

The bush is the ring cover that plays the liner effect, hydraulic pressure bush is one kind and is added hydraulic oil in the bush inside and be used for playing the bush structure of cushioning effect, can guarantee the stability of connecting between the movable structure, current hydraulic pressure bush is when using, its inside block rubber receives extrusion and vibration effect's influence can take place deformation or fracture, thereby the sealed effect to hydraulic oil wherein is influenced, and when bearing stronger impact, hydraulic oil pressure wherein is great, cause certain destruction to the subassembly of bush inside, propose a stable form hydraulic pressure bush to above-mentioned condition and solve the problem that proposes.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: when the existing hydraulic bushing is used, the rubber block inside the existing hydraulic bushing is deformed or broken under the influence of extrusion and vibration effects, so that the sealing effect on hydraulic oil in the existing hydraulic bushing is influenced, and when the existing hydraulic bushing is subjected to strong impact, the pressure of the hydraulic oil in the existing hydraulic bushing is large, certain damage is caused to components inside the bushing, and the stable hydraulic bushing is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a stable form hydraulic bushing, includes the bush outer tube, the inside vertical movable mounting of bush outer tube has the bush inner tube, the outside cover of bush inner tube is equipped with hits the piece, the internally mounted of bush outer tube has the block rubber, the hydraulic groove has all been seted up to the inside of block rubber, the block rubber suit is in the outside of hitting the piece, the mounting panel is all installed to the upper and lower both sides of bush outer tube, spacing dish is all installed at the middle part of mounting panel, the movable hole has all been seted up at the middle part of spacing dish, the upper and lower both sides of bush inner tube activity respectively alternates in the inside of movable hole, hit the inside of piece and all install the damping mechanism of longitudinal symmetry, one side of damping mechanism all contacts with the bush inner tube, the mechanism of decompressing is all installed to the upper and lower both sides of block rubber, the conducting hole has all been seted up to the upper and lower both sides of block rubber, the both ends of conducting hole communicate with mechanism and hydraulic groove respectively.

Preferably, the damping mechanism includes the damping groove of seting up in hitting the inside upper and lower both sides of piece, the damping piece is all installed to the inside in damping groove, first spring is all installed to one side of damping piece, one side that damping piece was kept away from to first spring all installs adjustable fender.

Preferably, the left and right sides of hitting the piece inner wall all sets up the activity groove of longitudinal symmetry, the activity groove is linked together with the inside in damping groove, the inside movable mounting in activity groove has the movable block, one side that adjustable fender kept away from first spring is installed the connecting rod, the one end that adjustable fender was kept away from to the connecting rod is passed the activity groove and is connected with the movable block.

Preferably, the decompression mechanism is including seting up the decompression groove in both sides about the rubber piece, one side of decompression groove all is linked together with the conducting hole, the second spring is all installed to the inside of decompression groove, the equal movable mounting in one side that the decompression groove is inside to be close to the conducting hole has the piston piece, the one end of second spring all is connected with the piston piece.

Preferably, threaded rings are installed on the upper side and the lower side of the inner cavity of the outer bushing pipe respectively, the threaded rings are located on the upper side and the lower side of the rubber block respectively, threaded sleeves are installed on the inner portions of the threaded rings in a threaded mode, and the threaded sleeves are connected with the inner side of the installation plate respectively.

Preferably, the upper side and the lower side of the inner pipe of the bushing are respectively sleeved with a limiting ring, and the limiting rings are movably clamped in the limiting disc respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a threaded bush screw thread is installed in the inside of screw thread ring, can install the mounting panel in the upper and lower both sides of bush outer tube and remain stable, makes the upper and lower both sides of bush inner tube alternate respectively in the inside in movable hole, makes the spacing ring alternate in the inside of spacing dish, can make the bush inner tube remain stable in the inside of bush outer tube to through the inside hydraulic pressure oil that fills of hydraulic pressure inslot, when the bush receives the impact, can play the effect of buffering between the junction component.

(2) The utility model discloses an effect of conducting hole, can receive when assaulting at the bush, the rubber block takes place to deform, make the hydraulic oil of hydraulic pressure inslot portion flow the inside of decompression groove through the conducting hole, can promote the piston piece and compress the second spring, make the second spring have the reverse action power to the piston piece, can realize the cushioning effect to hydraulic oil, prevent that the too big rubber block that causes of hydraulic pressure inslot portion pressure from assaulting and destroying, and effect through movable block and connecting rod, can transmit the vibration that receives on the bush inner tube to adjustable fender, and the combined action through first spring and damping piece, can absorb the vibration energy of transmission, prevent that the inside of hydraulic pressure bush from taking place the vibration and to the structure damage.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

fig. 2 is a schematic structural diagram of a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a bushing outer tube; 2. a rubber block; 3. a hydraulic tank; 4. bumping the block; 5. a bushing inner tube; 6. a threaded ring; 7. a vibration reduction mechanism; 71. a vibration damping groove; 72. a damping block; 73. a first spring; 74. a movable baffle; 75. a connecting rod; 76. a movable block; 77. a movable groove; 8. a via hole; 9. a pressure reducing mechanism; 91. a pressure reducing tank; 92. a second spring; 93. a piston block; 10. mounting a plate; 11. a limiting disc; 12. a movable hole; 13. a limiting ring; 14. and (4) a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a stable hydraulic bushing comprises an outer bushing pipe 1, an inner bushing pipe 5 is vertically and movably mounted inside the outer bushing pipe 1, a collision block 4 is sleeved outside the inner bushing pipe 5, a rubber block 2 is mounted inside the outer bushing pipe 1, hydraulic grooves 3 are formed inside the rubber block 2, hydraulic oil is filled inside the hydraulic grooves 3 and can buffer the outer bushing pipe 1 and the inner bushing pipe 5, the rubber block 2 is sleeved outside the collision block 4, mounting plates 10 are mounted on the upper side and the lower side of the outer bushing pipe 1, threaded rings 6 are mounted on the upper side and the lower side of an inner cavity of the outer bushing pipe 1, the threaded rings 6 are respectively located on the upper side and the lower side of the rubber block 2, threaded sleeves 14 are mounted inside the threaded rings 6, and the threaded sleeves 14 are respectively connected with the inner sides of the mounting plates 10, the mounting plate 10 can be arranged on the upper side and the lower side of the bushing outer pipe 1 and kept stable by being arranged in the threaded ring 6 through the threaded sleeve 14, the limiting discs 11 are arranged in the middle of the mounting plate 10, the movable holes 12 are formed in the middle of the limiting discs 11, the upper side and the lower side of the bushing inner pipe 5 are respectively and movably inserted in the movable holes 12, the limiting rings 13 are sleeved on the upper side and the lower side of the bushing inner pipe 5, the limiting rings 13 are respectively and movably clamped in the limiting discs 11, insert in the inside of spacing dish 11 through spacing ring 13, can play the effect of restriction to bush inner tube 5, make bush inner tube 5 remain stable in the inside of bush outer tube 1, the damping mechanism 7 of longitudinal symmetry is all installed to the inside of hitting piece 4, one side of damping mechanism 7 all contacts with bush inner tube 5, decompression mechanism 9 is all installed to the upper and lower both sides of block rubber 2, conducting hole 8 has all been seted up to the upper and lower both sides of block rubber 2, the both ends of conducting hole 8 are linked together with decompression mechanism 9 and hydraulic groove 3 respectively.

The first embodiment is as follows:

as shown in fig. 2, the damping mechanism 7 includes damping grooves 71 opened at upper and lower sides inside the collision block 4, damping blocks 72 are installed inside the damping grooves 71, first springs 73 are installed on one sides of the damping blocks 72, movable baffles 74 are installed on one sides of the first springs 73 far away from the damping blocks 72, vertically symmetrical movable grooves 77 are installed on left and right sides of the inner wall of the collision block 4, the movable grooves 77 are communicated with the inside of the damping grooves 71, movable blocks 76 are movably installed inside the movable grooves 77, connecting rods 75 are installed on one sides of the movable baffles 74 far away from the first springs 73, one ends of the connecting rods 75 far away from the movable baffles 74 penetrate through the movable grooves 77 to be connected with the movable blocks 76, through the action of the movable blocks 76 and the connecting rods 75, vibration received on the liner inner pipe 5 can be transmitted to the movable baffles 74, through the combined action of the first springs 73 and the damping blocks 72, the transmitted vibration energy can be absorbed, and the inside of the hydraulic liner is prevented from vibrating and structured as damage.

Example two:

as shown in fig. 3, the pressure reducing mechanism 9 includes pressure reducing grooves 91 provided on the upper and lower sides of the rubber block 2, one side of each pressure reducing groove 91 is communicated with the via hole 8, the second springs 92 are installed inside the pressure reducing grooves 91, one side of each pressure reducing groove 91 near the via hole 8 is movably provided with a piston block 93, one end of each second spring 92 is connected with the piston block 93, when the bushing is impacted, the rubber block 2 deforms, the hydraulic oil inside the hydraulic groove 3 flows into the pressure reducing grooves 91 through the via holes 8, the piston blocks 93 can be pushed to compress the second springs 92, the second springs 92 have reverse acting force on the piston blocks 93, the buffering effect on the hydraulic oil can be realized, and the rubber block 2 is prevented from being impacted and damaged due to the overlarge pressure of the hydraulic oil inside the hydraulic groove 3.

The utility model discloses in, when the user uses the device, alternate bush inner tube 5 in the inside of bush outer tube 1, the inside at threaded ring 6 is installed to the 14 screw threads of thread bush, can install mounting panel 10 in the upper and lower both sides of bush outer tube 1 and remain stable, when the hydraulic pressure bush receives the impact, rubber block 2 takes place to deform, make the inside hydraulic oil in hydraulic pressure groove 3 flow the inside of decompression groove 91 through conducting hole 8, can promote piston block 93 and compress second spring 92, make second spring 92 have reverse acting force to piston block 93, can realize the cushioning effect to hydraulic oil, prevent that the inside hydraulic oil pressure in hydraulic pressure groove 3 is too big to cause impact and destruction to rubber block 2, effect through movable block 76 and connecting rod 75, can transmit the vibration that receives on the bush inner tube 5 to adjustable fender 74, and through the combined action of first spring 73 and damping piece 72, can absorb the vibration energy of transmission.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a stable form hydraulic bushing, includes bushing outer tube (1), its characterized in that, the vertical movable mounting in inside of bushing outer tube (1) has bushing inner tube (5), the outside cover of bushing inner tube (5) is equipped with hits piece (4), the internally mounted of bushing outer tube (1) has block rubber (2), hydraulic pressure groove (3) have all been seted up to the inside of block rubber (2), block rubber (2) suit is in the outside of hitting piece (4), mounting panel (10) are all installed to the upper and lower both sides of bushing outer tube (1), spacing dish (11) are all installed at the middle part of mounting panel (10), movable hole (12) have all been seted up at the middle part of spacing dish (11), the upper and lower both sides of bushing inner tube (5) are moved about respectively and are alternates in the inside of movable hole (12), the inside of hitting piece (4) all installs damping mechanism (7) of longitudinal symmetry, one side of damping mechanism (7) all contacts with bushing inner tube (5), mechanism (9) are all installed to the upper and lower both sides of block rubber (2), the conducting hole (8) are all seted up the conducting hole (8) and hydraulic pressure reducing groove (3) are linked together respectively with two hydraulic pressure grooves (3).

2. The stable hydraulic bushing according to claim 1, wherein the damping mechanism (7) includes damping grooves (71) formed in the upper and lower sides of the inner portion of the ram (4), damping blocks (72) are installed in the damping grooves (71), first springs (73) are installed on one sides of the damping blocks (72), and movable blocking plates (74) are installed on the sides, away from the damping blocks (72), of the first springs (73).

3. The stable hydraulic bushing according to claim 2, wherein the left side and the right side of the inner wall of the impact block (4) are provided with vertically symmetrical movable grooves (77), the movable grooves (77) are communicated with the inside of the vibration damping groove (71), the movable block (76) is movably mounted inside the movable grooves (77), one side of the movable baffle plate (74) far away from the first spring (73) is provided with a connecting rod (75), and one end of the connecting rod (75) far away from the movable baffle plate (74) penetrates through the movable grooves (77) to be connected with the movable block (76).

4. A stable form hydraulic bushing according to claim 1, characterized in that, decompression mechanism (9) includes the decompression groove (91) of seting up both sides about rubber block (2), one side of decompression groove (91) all is linked together with conducting hole (8), second spring (92) are all installed to the inside of decompression groove (91), the equal movable mounting of one side that is close to conducting hole (8) in decompression groove (91) has piston block (93), the one end of second spring (92) all is connected with piston block (93).

5. The stable hydraulic bushing according to claim 1, wherein the upper and lower sides of the inner cavity of the bushing outer tube (1) are respectively provided with a threaded ring (6), the threaded rings (6) are respectively positioned on the upper and lower sides of the rubber block (2), the threaded ring (6) is internally and respectively provided with a threaded sleeve (14), and the threaded sleeve (14) is respectively connected with the inner side of the mounting plate (10).

6. The stable hydraulic bushing according to claim 1, wherein the upper and lower sides of the bushing inner tube (5) are sleeved with limit rings (13), and the limit rings (13) are respectively movably clamped inside the limit disc (11).