CN210949867U

CN210949867U - Multi-stage waterproof combined sealing ring for automobile

Info

Publication number: CN210949867U
Application number: CN201922184252.5U
Authority: CN
Inventors: 彭超
Original assignee: Dongguan Daxin Rubber Electronic Co ltd
Current assignee: Dongguan Daxin Rubber Electronic Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-07
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to the technical field of automobile parts, specifically multistage waterproof combined seal circle is used to car, including sealed shell, the outer wall of sealed shell is the cross form and is equipped with the dog, and the top laminating of sealed shell has sealed lid, the edge of sealed lid is the cross form and is equipped with the card strip, and blocks strip and dog looks gomphosis, the inside of sealed shell is equipped with the cutting ferrule, and the tail end of cutting ferrule has cup jointed the neck bush, the outer wall parcel of neck bush has the outer bush, the terminal gomphosis in inside of outer bush has the spring. The utility model discloses utilize the bounce of spring to closely laminate, can also eliminate certain vibrational force through the spring simultaneously to can take place the phenomenon of ftractureing when preventing that sealing mechanism from receiving the vibration, prevent through the PEEK seal ring that whole sealing mechanism of in-process that uses leads to the skew because the pressure of external force or car self, cause the junction to appear the gap, make external impurity like inside dust and moisture etc. invade actuating mechanism, cause the part wearing and tearing.

Description

Multi-stage waterproof combined sealing ring for automobile

Technical Field

The utility model relates to an automobile parts technical field specifically is multistage waterproof combination formula sealing washer is used to car.

Background

The sealing ring is often used in automobile manufacturing, the sealing ring in the bottom driving mechanism is generally used, the sealing ring in the area is sleeved on the driving shaft, the normal operation of the driving shaft is ensured, meanwhile, the leakage of fluid or solid particles from an adjacent joint surface can be prevented, and external impurities such as dust, moisture and the like are prevented from invading into the driving mechanism to cause part abrasion.

The seal structure of present car is either too simple, and only gasket of formula is perhaps more loaded down with trivial details in the too complicated installation, and the installation is more time consuming, and the sealing washer adopts direct suit simultaneously, can take place the fission after violent vibration. Accordingly, those skilled in the art have provided a multi-stage waterproof composite gasket for an automobile to solve the problems set forth in the background art.

Disclosure of Invention

An object of the utility model is to provide a multistage waterproof combination formula sealing washer is used to car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: multistage waterproof combination formula sealing washer for car, including sealed shell, the outer wall of sealed shell is the cross form and is equipped with the dog, and the top laminating of sealed shell has sealed lid, the edge of sealed lid is the cross form and is equipped with the card strip, and blocks strip and dog looks gomphosis, the inside of sealed shell is equipped with the cutting ferrule, and the tail end of cutting ferrule has cup jointed the neck bush, the outer wall parcel of neck bush has the outer bush, the terminal gomphosis in inside of outer bush has the spring, and the afterbody gomphosis of spring has the base.

As a further aspect of the present invention: the top of cutting ferrule is the symmetry and has seted up a set of butt joint groove, and the outer wall upper end of cutting ferrule has seted up the annular, the degree of depth of seting up of annular is the third of cutting ferrule thickness.

As a further aspect of the present invention: the gomphosis has the PEEK to seal the circle in the annular, the internal diameter of PEEK seal the circle equals with the diameter of annular, and the external diameter of PEEK seal the circle is greater than the external diameter of cutting ferrule.

As a further aspect of the present invention: the outer wall of the inner bushing is provided with an embedded groove, the length of the embedded groove accounts for three-fourth of the height of the inner bushing, the inner diameter of the inner bushing is equal to the outer diameter of the clamping sleeve, and the outer diameter of the inner bushing is smaller than the diameter of the PEEK sealing ring.

As a further aspect of the present invention: the inner wall of the outer lining is movably provided with an embedded strip, one end of the embedded strip, which is positioned in the outer lining, is provided with a spring plate, and the spring plate is fixed in the outer lining.

As a further aspect of the present invention: the welding of top center department of base has the cushion, and the external diameter of cushion equals with the internal diameter of spring, the locating hole has been seted up to the side of base.

As a further aspect of the present invention: a circular through hole is formed in the circle center of the sealing cover, and the diameter of the circular through hole is equal to the inner diameter of the clamping sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can be butted with the mounting structure of the automobile through the arranged connecting base, utilizes the rebound force of the spring to be tightly jointed, simultaneously can eliminate certain vibration force through the spring at the later stage to prevent the sealing mechanism from cracking when being vibrated, utilizes the mutual embedding between the inner bushing and the outer bushing to extrude the PEEK sealing ring by utilizing the mutual acting force of the inner bushing and the outer bushing to ensure that the PEEK sealing ring is tightly jointed with the cutting ferrule, and prevents the whole sealing mechanism from deviating due to external force or the pressure of the automobile during the use process by embedding the PEEK sealing ring on the clamping groove to cause the gap at the joint, so that external impurities such as dust, moisture and the like enter the driving mechanism to cause part abrasion, the butting groove on the cutting ferrule is firstly positioned to ensure that the device is connected with the transmission shaft on the automobile, when the transmission shaft of the automobile is inserted into the clamping groove, run through in the butt joint inslot through the screw and realize location and fixed, the distance that the transmission shaft stretched into is controlled by the inner liner, afterwards, cup joints outer bush on the inner liner to on imbedding the connecting piece of car with it.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a multi-stage waterproof combined sealing ring for an automobile;

FIG. 2 is a schematic view of an assembly structure of a multi-stage waterproof combined sealing ring for an automobile;

fig. 3 is a schematic diagram of an explosion structure in the multi-stage waterproof combined sealing ring for the automobile.

In the figure: 1. clamping the strip; 2. sealing the shell; 3. a stopper; 4. a sealing cover; 5. an outer liner; 6. a spring; 7. a base; 8. a card sleeve; 9. an inner liner; 10. sealing a PEEK ring; 11. a ring groove; 12. a fitting groove; 13. and (3) a chimeric strip.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention: multistage waterproof combination formula sealing washer for car, including sealed shell 2, the outer wall of sealed shell 2 is the cross form and is equipped with dog 3, and the top laminating of sealed shell 2 has sealed lid 4, the edge of sealed lid 4 is the cross form and is equipped with card strip 1, and card strip 1 and dog 3 looks gomphosis, the inside of sealed shell 2 is equipped with cutting ferrule 8, and the tail end of cutting ferrule 8 has cup jointed neck bush 9, the outer wall parcel of neck bush 9 has outer bush 5, the terminal gomphosis in inside of outer bush 5 has spring 6, and the afterbody gomphosis of spring 6 has base 7.

In fig. 3, a set of butt joint groove has been seted up to cutting ferrule 8's top is the symmetry, and cutting ferrule 8's outer wall upper end has seted up annular 11, the degree of depth of seting up of annular 11 is the third of cutting ferrule 8 thickness, realize the preliminary location and the connection of required sealing part on whole seal structure and the car through cutting ferrule 8 joint automobile transmission shaft, for preventing the skew from appearing in the in-process of installation, lead to the butt joint to produce the gap, connecting elements such as screw can be used and carry out threaded connection at cutting ferrule 8's butt joint inslot, make cutting ferrule 8 fix on the transmission shaft of car.

In fig. 3, a PEEK sealing ring 10 is embedded in the ring groove 11, the inner diameter of the PEEK sealing ring 10 is equal to the diameter of the ring groove 11, the outer diameter of the PEEK sealing ring 10 is larger than the outer diameter of the ferrule 8, the PEEK sealing ring 10 is made of PEEK material, PEEK has the heat resistance and chemical stability of thermosetting plastic, the molding processability of thermoplastic plastic, excellent heat resistance, electrical insulation and chemical stability, is almost stable to any chemical reagent except concentrated sulfuric acid, and can still maintain good chemical stability even at higher temperature, in addition, the PEEK sealing ring 10 has excellent hot water resistance and steam resistance, has good flame retardance, is difficult to burn in common environment, and by utilizing the characteristics of PEEK, the manufactured PEEK sealing ring 10 also has the advantages, the service life of equipment is prolonged, and the function that the outer diameter of the PEEK sealing ring 10 is larger than the ring groove 11 is that a connecting gap can be filled, and the PEEK seal ring 10 is embedded with the annular groove 11, so that the PEEK seal ring 10 is not easy to fall off.

In fig. 3, the outer wall of the inner liner 9 is provided with an embedding groove 12, the length of the embedding groove 12 accounts for three-quarter of the height of the inner liner 9, the inner diameter of the inner liner 9 is equal to the outer diameter of the cutting sleeve 8, the outer diameter of the inner liner 9 is smaller than the diameter of the PEEK sealing ring 10, and the embedding groove 12 is used for meshing with an embedding strip 13 in the outer liner 5 through the embedding groove 12 when the inner liner 9 is embedded into the outer liner 5, so that the inner liner 9 and the outer liner 5 are connected and fixed.

In fig. 3, an engaging strip 13 is movably disposed on the inner wall of the outer liner 5, an elastic piece is disposed at one end of the engaging strip 13 located inside the outer liner 5, and the elastic piece is fixed inside the outer liner 5, and the engaging strip 13 inside the outer liner 5 is engaged with the engaging groove 12 outside the inner liner 9 to complete the connection and fixation between the inner liner 9 and the outer liner 5.

In fig. 3, the cushion block is welded at the center of the top of the base 7, the outer diameter of the cushion block is equal to the inner diameter of the spring 6, the side face of the base 7 is provided with a positioning hole, the cushion block provides a fulcrum for the installation and fixation of the spring 6, the spring 6 is prevented from easily falling off due to the small contact area, and the positioning hole is butted with a connecting part in an automobile and fixed through a screw.

In fig. 3, a circular through hole is opened at the center of the sealing cover 4, the diameter of the circular through hole is equal to the inner diameter of the cutting sleeve 8, and the circular through hole is used for providing a space for inserting a transmission shaft of an automobile so that the transmission shaft is in butt joint with the cutting sleeve 8 in the sealing mechanism.

The utility model discloses a theory of operation is: firstly, a base 7 is embedded in an automobile mounting bracket, and is in butt joint with a connecting part in an automobile through a positioning hole, the base is fixed by screws, then a spring 6 is sleeved on a cushion block on the inner side of the base 7, the cushion block provides a fulcrum for the installation and the fixation of the spring 6, the spring 6 is prevented from easily falling off due to the fact that the contact area is too small, then an outer bushing 5 is sleeved on the top of the spring 6, an inner bushing 9 is placed in the outer bushing 5, when the inner bushing 9 enters the outer bushing 5, an embedded strip 13 in the outer bushing 5 is meshed with an embedded groove 12 outside the inner bushing 9, the connection and the fixation between the inner bushing 9 and the outer bushing 5 are completed, if the depth of the embedded groove 12 is smaller than that of the embedded strip 13, the embedded strip 13 is extruded, a spring sheet is pressed, a space is left for the embedded groove 12 to pass through, the embedded strip 13 is tightly attached to the embedded groove 12 by the elasticity of, then the cutting sleeve 8 is sleeved in the inner bushing 9, meanwhile, the PEEK sealing ring 10 is sleeved in the annular groove 11 on the cutting sleeve 8, the outer diameter of the PEEK sealing ring 10 is larger than that of the annular groove 11, so that a connecting gap can be filled, the phenomenon that the whole sealing mechanism deviates due to external force or the pressure of an automobile in the using process to cause the gap at the connecting position, external impurities such as dust, moisture and the like are invaded into the driving mechanism to cause part abrasion is prevented, the PEEK sealing ring 10 is made of PEEK materials, the PEEK has the characteristics, the service life of the equipment is prolonged, the PEEK sealing ring 10 is embedded with the annular groove 11, the PEEK sealing ring 10 is ensured not to easily fall off, at the moment, the automobile transmission shaft and the cutting sleeve 8 are sleeved, the connecting parts such as screws are used for threaded connection in the butt-joint groove of the cutting sleeve 8, the cutting sleeve 8 is fixed on the automobile transmission shaft, the fixing is performed by the clamping strip 1 and the stop 3 to protect the main sealing structure.

The above-mentioned, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Multistage waterproof combination formula sealing washer for car, including sealed shell, its characterized in that: the outer wall of sealed shell is the cross form and is equipped with the dog, and the top laminating of sealed shell has sealed lid, the edge of sealed lid is the cross form and is equipped with the card strip, and blocks strip and dog looks gomphosis, the inside of sealed shell is equipped with the cutting ferrule, and the tail end of cutting ferrule has cup jointed the neck bush, the outer wall parcel of neck bush has the outer liner, the terminal gomphosis in inside of outer liner has the spring, and the afterbody gomphosis of spring has the base.

2. The multi-stage waterproof combined sealing ring for the automobile as claimed in claim 1, wherein a set of butt-joint grooves are symmetrically formed in the top of the clamping sleeve, a ring groove is formed in the upper end of the outer wall of the clamping sleeve, and the forming depth of the ring groove is one third of the thickness of the clamping sleeve.

3. The multistage waterproof combined sealing ring for the automobile as claimed in claim 2, wherein a PEEK sealing ring is embedded in the ring groove, the PEEK sealing ring has an inner diameter equal to the diameter of the ring groove, and the PEEK sealing ring has an outer diameter greater than the outer diameter of the ferrule.

4. The multistage waterproof combined seal ring for the automobile as claimed in claim 3, wherein an engagement groove is formed in an outer wall of the inner bushing, the engagement groove is three-fourths of the height of the inner bushing, an inner diameter of the inner bushing is equal to an outer diameter of the sleeve, and the outer diameter of the inner bushing is smaller than a diameter of the PEEK seal ring.

5. The multistage waterproof combined sealing ring for the automobile as claimed in claim 1, wherein an embedding strip is movably arranged on the inner wall of the outer bushing, an elastic sheet is arranged at one end of the embedding strip, which is located inside the outer bushing, and the elastic sheet is fixed inside the outer bushing.

6. The multi-stage waterproof combined sealing ring for the automobile as claimed in claim 1, wherein a cushion block is welded at the center of the top of the base, the outer diameter of the cushion block is equal to the inner diameter of the spring, and a positioning hole is formed in the side face of the base.

7. The multi-stage waterproof combined sealing ring for the automobile as claimed in claim 1, wherein a circular through hole is formed in the center of the sealing cover, and the diameter of the circular through hole is equal to the inner diameter of the clamping sleeve.