CN208919209U - A kind of combined buffer - Google Patents

Abstract

The utility model discloses a kind of combined buffer, including cap bag, axle center, cylinder, swivel nut, inside groove, dust-proof cushion, pressure accumulation sponge, oil return hole, outer spring, outage, non-return valve, oil filler point, baffle, inner spring, support column and side is padded.The beneficial effects of the utility model are: by being respectively mounted dust-proof cushion in the contact position two sides in the top of cylinder and axle center, it is using dust-proof cushion that gap between at the top of cylinder and axle center is closed, so that dust be effectively prevent to enter from gap.Axle center lower hollow; and column is supported in installation inside its hollow section; to installing inner spring in column; and baffle is set at the top of inner spring; utilize the cushioning effect of inner spring; so that axle center pressure in preliminary stress is not to be all applied to the outer spring of axle center bottom, but first pass through outer spring ability stress after inner spring buffering, the outer spring of protection axle center bottom can be played while Promoting Layered Buffer effect.

Description

A kind of combined buffer

Technical field

The utility model relates to a kind of buffer, specially a kind of combined buffer belongs to auto parts field.

Background technique

Combined type automobile spring buffer is a kind of accessory of high resiliency high tenacity, belongs to automobile repacking class accessory.For pacifying At the helical spring of automobile suspension system, primarily serves buffering and shock preventing and act on and protection, this function are played to shock absorber It is a kind of physical action.

But there are still certain defects when in use for existing combined type automobile spring buffer, due to single dependence The spring of axle center and column body carries out buffering decompression, excessively applies to the spring of column body to a certain extent, so long Phase can be easy to cause the reduced performance of spring after, even damage, and service life is unable to get permanent guarantee.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of combined buffer.

The utility model be achieved through the following technical solutions above-mentioned purpose, a kind of combined buffer, including axle center and Cylinder, cap bag is installed at the axle center top, and the axle center bottom is nested with cylinder, installs two swivel nuts on the cylinder outer wall, Inside groove is arranged in the column body, and the outage of several equidistantly distributeds is arranged on the inside groove bottom side inner wall, most pushes up Oil return hole is set above the outage at end, and outer spring is installed in the inside groove bottom, and oil filler point, institute is arranged in the cylinder bottom It states and non-return valve is set at the top of oil filler point；

The axle center bottom is hollow structure, and column is supported in installation inside the hollow section of the axle center bottom, described to support capital Inner spring is installed in portion, and baffle is arranged at the top of the inner spring, and described support on the outer wall of column two sides is respectively mounted side pad.

Preferably, dust-proof cushion is respectively mounted on the inner wall of the inside groove two sides of the bottom.

Preferably, the inside groove, which is located on the two sides inner wall above oil return hole, is respectively mounted pressure accumulation sponge.

Preferably, the column diameter size of supporting of the axle center bottom is adapted with the inside groove inner diameter size of column body.

Preferably, loop structure is constituted between the oil filler point, outage and oil return hole three.

Preferably, hollow section of the diameter to column plus sidewall thickness and axle center bottom on its two sides outer wall Internal diameter is adapted.

Preferably, it is between the outer spring and the inner spring inside axle center and inside groove inner wall that the axle center passes through its bottom It is flexibly connected.

The beneficial effects of the utility model are: dust-proof by being respectively mounted in the contact position two sides at the top of cylinder and axle center Pad, it is using dust-proof cushion that gap between at the top of cylinder and axle center is closed, so that dust be effectively prevent to enter from gap.By in column Several outages are set in the interior groove sidewall of body, oil return hole is set above outage, so that outer spring was squeezed in stress Extra lubricating oil can be discharged from oil return hole and flow back to outage in journey is discharged into inner tank interior recycling again, moistens increasing It can play the role of recycling again while the contact surface of lubricating oil and outer spring.Axle center lower hollow, and its hollow section Column is supported in inside installation, supports and installs inner spring in column, and setting baffle is made using the cushioning effect of inner spring at the top of inner spring Axle center pressure in preliminary stress be not all be applied to the outer spring of axle center bottom, but first pass through inner spring buffering after Outer spring ability stress can play the outer spring of protection axle center bottom while Promoting Layered Buffer effect, and support on column side wall Side pad is installed, side paves firm and limits the effect to column position, effectively prevent that positional shift occurs when pushing to column.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram.

Fig. 2 is the utility model schematic diagram of internal structure.

Fig. 3 is the utility model side column body structural schematic diagram.

Fig. 4 is the utility model axle center schematic diagram of internal structure.

In figure: 1, cap bag, 2, axle center, 3, cylinder, 4, swivel nut, 5, inside groove, 6, dust-proof cushion, 7, pressure accumulation sponge, 8, oil return hole, 9, outer spring, 10, outage, 11, non-return valve, 12, oil filler point, 13, baffle, 14, inner spring, 15, support column, 16, side pad.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1-4, a kind of combined buffer, including axle center 2 and cylinder 3, cap bag 1 is installed at the top of axle center 2, And 2 bottom of axle center is nested with cylinder 3, and two swivel nuts 4 are installed on 3 outer wall of cylinder, inside groove 5,5 bottom one of inside groove is arranged inside cylinder 3 The outage 10 of several equidistantly distributeds is set on the inner wall of side, oil return hole 8, inside groove 5 are set above the outage 10 of top Outer spring 9 is installed in bottom, and 3 bottom of cylinder is arranged oil filler point 12, non-return valve 11 is arranged at the top of oil filler point 12；

2 bottom of axle center is hollow structure, and column 15 is supported in installation inside the hollow section of 2 bottom of axle center, to installing at the top of column 15 Baffle 13 is arranged at the top of inner spring 14 for inner spring 14, to being respectively mounted side pad 16 on 15 two sides outer wall of column.

As a kind of technical optimization scheme of the utility model, it is respectively mounted dust-proof cushion 6 on 5 two sides of the bottom inner wall of inside groove, is made Inside groove 5 top of the buffer when in use inside cylinder 3 is sealed, to effectively avoid inside the entrance inside groove 5 such as dust.

As a kind of technical optimization scheme of the utility model, inside groove 5, which is located on the two sides inner wall of 8 top of oil return hole, pacifies Pressure accumulation sponge 7 is filled, the pressure that axle center 2 is gone up when pushing by the storage of pressure accumulation sponge 7, and when discharging Slow release is unlikely to damage internal component.

As a kind of technical optimization scheme of the utility model, 2 bottom of axle center is supported inside 15 diameter of column and cylinder 3 5 inner diameter size of inside groove be adapted so that the case where axle center 2 is not in positional shift in activity.

As a kind of technical optimization scheme of the utility model, between 8 three of oil filler point 12, outage 10 and oil return hole Loop structure is constituted, the lubricating oil inside injection oil filler point 12 is recycled.

As a kind of technical optimization scheme of the utility model, the diameter to column 15 is plus the side on its two sides outer wall 16 thickness of wall is adapted with the hollow section internal diameter of 2 bottom of axle center, so that supporting the feelings that column 15 is not in positional shift in activity Condition.

As a kind of technical optimization scheme of the utility model, axle center 2 passes through in the outer spring 9 of its bottom and axle center 2 It is movably connected between 5 inner wall of inner spring 14 and inside groove in portion, so that the buffering decompression of buffer can be realized.

When the utility model is used, being respectively mounted dust-proof cushion by the contact position two sides at top and axle center 2 in cylinder 3 6, it is using dust-proof cushion 6 that gap between 3 top of cylinder and axle center 2 is closed, so that dust be effectively prevent to enter from gap.By Several outages 10 are set on 5 side wall of inside groove of cylinder 3, oil return hole 8 is set above outage 10, so that outer spring 9 exists Extra lubricating oil can be discharged from oil return hole 8 and flow back to outage 10 and be discharged into inside inside groove 5 again and follow in stress extrusion process Ring uses, and can play the role of recycling again while increasing the contact surface of lubricating oil and outer spring 9.2 bottom of axle center It is hollow, and column 15 is supported in installation inside its hollow section, supports and installs inner spring 14 in column 15, and baffle is arranged at the top of inner spring 14 13, using the cushioning effect of inner spring 14, so that the pressure in preliminary stress of axle center 2 is not to be all applied to 2 bottom of axle center Outer spring 9, but first pass through inner spring 14 buffer after 9 ability stress of outer spring, can be played while Promoting Layered Buffer effect Protect the effect of the outer spring 9 of 2 bottom of axle center.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of combined buffer, including axle center (2) and cylinder (3), it is characterised in that: installation set at the top of the axle center (2) Cap (1), and the axle center (2) bottom is nested with cylinder (3), and two swivel nuts (4), the cylinder are installed on cylinder (3) outer wall (3) internal that inside groove (5) are set, the outage (10) of several equidistantly distributeds is set on inside groove (5) the bottom side inner wall, Oil return hole (8) are set above the outage (10) of top, outer spring (9) are installed in inside groove (5) bottom, the cylinder (3) non-return valve (11) are arranged in bottom setting oil filler point (12), oil filler point (12) top；

Axle center (2) bottom is hollow structure, and column (15) are supported in installation inside the hollow section of the axle center (2) bottom, described To inner spring (14) are installed at the top of column (15), baffle (13) are set at the top of the inner spring (14), it is described to support outside column (15) two sides Side pad (16) is respectively mounted on wall.

2. a kind of combined buffer according to claim 1, it is characterised in that: inside groove (5) two sides of the bottom inner wall On be respectively mounted dust-proof cushion (6).

3. a kind of combined buffer according to claim 1, it is characterised in that: the inside groove (5) is located at oil return hole (8) Pressure accumulation sponge (7) are respectively mounted on the two sides inner wall of top.

4. a kind of combined buffer according to claim 1, it is characterised in that: column is supported in axle center (2) bottom (15) diameter inside groove (5) inner diameter size internal with cylinder (3) is adapted.

5. a kind of combined buffer according to claim 1, it is characterised in that: the oil filler point (12), outage (10) and between oil return hole (8) three loop structure is constituted.

6. a kind of combined buffer according to claim 1, it is characterised in that: the diameter to column (15) adds Side pad (16) thickness on its upper two sides outer wall is adapted with the hollow section internal diameter of axle center (2) bottom.

7. a kind of combined buffer according to claim 1, it is characterised in that: the axle center (2) passes through its bottom It is movably connected between outer spring (9) and the inner spring (14) and inside groove (5) inner wall of axle center (2) inside.