CN218000259U - Cylinder type shock absorber sealing connection device and cylinder type shock absorber - Google Patents

Abstract

The utility model discloses a cylinder shock absorber sealing connection device and cylinder shock absorber relates to cylinder shock absorber equipment annex technical field, including metal spacing collar, rubber seal and the metallic interconnect piece of arranging from interior to exterior, the convection current hole cooperation of metal spacing collar and shock absorber body and annex, rubber seal's circumference side is equipped with the location boss, the inner circle of metallic interconnect piece be equipped with location boss complex positioning groove, metallic interconnect piece and shock absorber body and annex welding. The utility model discloses has better sealed effect.

Description

Cylinder type shock absorber sealing connection device and cylinder type shock absorber

Technical Field

The utility model relates to a cylinder shock absorber equipment annex technical field, concretely relates to cylinder shock absorber sealing connection device and cylinder shock absorber.

Background

In order to quickly attenuate the vibration of a frame and a vehicle body and improve the smoothness and comfort of the running of an automobile, a shock absorber is generally arranged on an automobile suspension system, and a bidirectional cylinder type shock absorber is widely adopted on the automobile. The shock absorber is a vulnerable part in the use process of the automobile, and the good working of the shock absorber directly influences the running stability of the automobile and the service life of other parts, so that the shock absorber is always in a good working state. It is more common that directly adorn the annex outward on cartridge shock absorber body, body working chamber and the stock solution of annex or the intercommunication of gas storage chamber, except requiring the intercommunication of working chamber, must strictly guarantee the leakproofness of connecting, otherwise can make whole product produce the weeping or leak gas, thereby lead to the product to become invalid completely. The sealing mode of the general external accessory is realized by adopting a welding process, the welding process has the process defects of air holes, insufficient welding and the like, the sealing reliability is not high, the cylinder wall of the shock absorber is thin, the control difficulty of the sealing welding process is high, and the problem of poor sealing effect is often caused.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The technical problem that the connection structure of adorning the annex outward to current cylinder shock absorber's leakproofness is not good, the utility model provides a cylinder shock absorber sealing connection device and cylinder shock absorber, it has better sealed effect.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a cylinder shock absorber sealing connection device, includes metal spacing collar, rubber seal and the metal connecting block of arranging from inside to outside, the convection current hole cooperation of metal spacing collar and shock absorber body and annex, rubber seal's circumference side is equipped with the location boss, the inner circle of metal connecting block be equipped with location boss complex positioning groove, the metal connecting block with shock absorber body and annex welding.

Optionally, the axial side surface of the rubber sealing ring is provided with a first profiling groove matched with the cylindrical side surfaces of the shock absorber body and the accessory.

Optionally, the axial side surface of the metal connecting block is provided with a second profiling groove.

Optionally, the first contour groove and the second contour groove are symmetrically arranged along the axis of the rubber seal ring, and the first contour groove and the second contour groove are tangent to the surfaces of the shock absorber body and the accessory.

Optionally, the edge of the rubber sealing ring is provided with a fillet structure.

Optionally, the edge of the positioning boss is provided with a fillet structure.

Optionally, the rubber seal ring is in interference fit with the damper body and the accessory.

Optionally, the metal spacing ring is of an integrally formed structure.

Optionally, the shock absorber comprises a shock absorber body and an accessory which are connected through the cylinder type shock absorber sealing connection device, wherein the shock absorber body and the accessory are cylindrical and have parallel central axes.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the technical scheme provided by the utility model sets up multilayer combined metal spacing collar, rubber seal ring and metal connecting block, the metal connecting block is welded, the rubber seal ring plays a sealing role therein, the problem that the sealing effect is not good due to the large difficulty of the process control of the sealing welding is avoided, and the positioning boss is matched with the positioning groove, so that the installation is convenient and rapid; furthermore, the first profiling groove and the second profiling groove are symmetrically arranged along the axis of the rubber sealing ring, the first profiling groove and the second profiling groove are tangent to the surfaces of the shock absorber body and the accessory, the rubber sealing ring and the metal connecting block are attached to the surfaces of the shock absorber body and the accessory more tightly, and the sealing effect is improved.

Drawings

Fig. 1 is a schematic cross-sectional view of a drum type shock absorber according to an embodiment of the present invention.

Fig. 2 is a top view of a rubber seal ring of a cylinder type shock absorber sealing connection device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a rubber seal ring of a sealing connection device for a tube shock absorber according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a metal connecting block of a cylinder type shock absorber sealing connection device according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a metal connecting block of a cylinder type shock absorber sealing connection device according to an embodiment of the present invention.

Fig. 6 is an axial sectional schematic view of a drum type shock absorber according to an embodiment of the present invention.

1. A shock absorber body; 2. an accessory; 3. a metal spacing ring; 4. a rubber seal ring; 5. a metal connecting block; 6. a welding point; 7. positioning the boss; 8. a first profiling groove; 9. a positioning groove; 10. a second contour groove; 11. a connecting device; 12. welding the heat dissipation groove; 13. and (4) welding a melting point.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, does not have specific limited action, is general finger, right the technical scheme of the utility model does not constitute limited action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

Examples

With reference to the accompanying drawings 1-6, the cylinder type shock absorber sealing connection device comprises a metal limiting ring 3, a rubber sealing ring 4 and a metal connection block 5 which are arranged from inside to outside, wherein the metal limiting ring 3 is matched with convection holes of a shock absorber body 1 and accessories 2, a positioning boss 7 is arranged on the circumferential side face of the rubber sealing ring 4, a positioning groove 9 matched with the positioning boss 7 is arranged on the inner ring of the metal connection block 5, and the metal connection block 5 is welded with the shock absorber body 1 and the accessories 2.

The whole connecting device 11 is of a three-layer structure and is composed of a metal limiting ring 3, a rubber sealing ring 4 and a metal connecting block 5 in a distributed mode from inside to outside, the metal limiting ring 3 is used for directly contacting with media of convection holes, the rubber sealing ring 4 is used for sealing, and the metal connecting block 5 is welded on the shock absorber body 1 and the accessory 2 and used for fixing devices. Location boss 7 and positioning groove 9 cooperation make things convenient for rubber seal 4 and the cooperation installation of metal connecting block 5 to can fix a position first imitative recess 8 and the position of second imitative recess 10, guarantee that first imitative recess 8 and second imitative recess 10 all are tangent with the surface of shock absorber body 1 and annex 2, thereby improve sealed effect. The convection hole in the center of the connecting device 11 can be a single hole or double holes and multiple holes, and the specific structure only needs to increase the specifications of the metal limiting ring 3, the rubber sealing ring 4 and the metal connecting block 5.

The axial side surface of the rubber sealing ring 4 is provided with a first profiling groove 8 matched with the cylindrical side surfaces of the shock absorber body 1 and the accessory 2. And a second profiling groove 10 is formed in the axial side surface of the metal connecting block 5. The positions of the first profiling groove 8 and the second profiling groove 10 are both arranged along the axis symmetry of the rubber sealing ring 4, the first profiling groove 8 and the second profiling groove 10 are both tangent to the surface of the shock absorber body 1 and the surface of the accessory 2, the rubber sealing ring 4 and the metal connecting block 5 are attached to the surfaces of the shock absorber body 1 and the accessory 2 more tightly, and the sealing effect is improved. The metal connecting block 5 is provided with a welding heat dissipation groove 12 and a welding melting point 13, the welding heat dissipation groove 12 is used for heat dissipation, the influence on other parts is small in the welding process, and the welding melting point 13 can be used as a welding contact point. The profiling function of the rubber sealing ring 4, namely, the rubber sealing ring 4 is attached to the cylindrical surface, so that the rubber sealing ring 4 needs to be installed in an oriented mode, the compression stress of the rubber sealing ring 4 is uniform, and the sealing is reliable. Meanwhile, the metal connecting block 5 is installed in a copying mode, so that the positioning is reliable, and the size is stable; (ii) a

The edge of rubber seal 4 is equipped with fillet structure, the edge of location boss 7 is equipped with fillet structure, reduces the burr, avoids the damaged 4 sealed inefficacys that lead to rubber seal.

The rubber sealing ring 4 is in interference fit with the shock absorber body 1 and the accessory 2, and larger extrusion force is generated between the rubber sealing ring 4 and the shock absorber body 1 and the accessory 2, so that the sealing effect is improved.

The metal spacing collar 3 is an integrated structure, which is beneficial to improving the structural strength of the metal spacing collar 3, and because the metal spacing collar 3 is directly contacted with the medium in the convection hole, the convection impact and the abrasion can be borne, and the integrated structure can prolong the service life of the metal spacing collar 3.

A cylinder type shock absorber comprises the cylinder type shock absorber sealing connection device, a shock absorber body 1 and an accessory 2 which are connected through the cylinder type shock absorber sealing connection device, wherein the shock absorber body 1 and the accessory 2 are both cylindrical and the central axes of the shock absorber body and the accessory 2 are parallel, as shown in figures 1 and 6, the cylinder type shock absorber sealing connection device with a three-layer structure design is used for connecting the shock absorber body 1 and the accessory 2 in a sealing mode, a medium passes through the middle of a group, the medium is prevented from leaking, and the sealing effect is greatly improved. The accessory 2 can be a capacity-increasing cylinder or an electromagnetic valve, and can be connected in a fitting and sealing mode and maintain the sealing effect.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (9)

1. The cylindrical shock absorber sealing connection device is characterized by comprising a metal limiting ring, a rubber sealing ring and a metal connecting block which are arranged from inside to outside, wherein the metal limiting ring is matched with convection holes of a shock absorber body and accessories, a positioning boss is arranged on the circumferential side surface of the rubber sealing ring, a positioning groove matched with the positioning boss is arranged on the inner ring of the metal connecting block, and the metal connecting block is welded with the shock absorber body and the accessories.

2. A tube shock absorber sealing attachment as claimed in claim 1, wherein the axial side of said rubber seal is provided with a first profile groove which mates with the cylindrical side of the shock absorber body and the attachment.

3. The tubular shock absorber sealing connection device as set forth in claim 2, wherein the axial side of said metal connecting block is provided with a second contour groove.

4. The sealed connection device for the shock absorber as claimed in claim 3, wherein the first and second contour grooves are symmetrically located along the axis of the rubber sealing ring, and are tangent to the surfaces of the shock absorber body and the accessory.

5. The sealed joint of drum type vibration damper as claimed in claim 1, wherein the edge of said rubber sealing ring is provided with a round structure.

6. A tube damper seal connection assembly as set forth in claim 5 wherein said locating boss is provided with a rounded edge configuration at its edge.

7. A tube shock absorber sealing connection as set forth in claim 1 wherein said rubber seal is an interference fit with said shock absorber body and said attachment.

8. The sealed joint device for cylinder shock absorber according to claim 1, wherein said metal retainer is an integral structure.

9. A cartridge damper comprising the cartridge damper sealing connection device of any one of claims 1 to 8, comprising a damper body and an accessory connected by the cartridge damper sealing connection device, wherein the damper body and the accessory are cylindrical and have parallel central axes.

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