CN216447437U - Novel diaphragm assembly - Google Patents
Novel diaphragm assembly Download PDFInfo
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- CN216447437U CN216447437U CN202122809368.0U CN202122809368U CN216447437U CN 216447437 U CN216447437 U CN 216447437U CN 202122809368 U CN202122809368 U CN 202122809368U CN 216447437 U CN216447437 U CN 216447437U
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- deformation
- diaphragm assembly
- annular
- sealing
- novel diaphragm
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Abstract
The utility model discloses a novel diaphragm assembly, wherein a moving shaft is provided with a vulcanization section, a rubber piece is vulcanized on the outer wall of the vulcanization section to form an annular structure, the rubber piece comprises a fitting part, a deformation part and a sealing part which are sequentially connected from inside to outside, the deformation part is provided with at least one annular deformation groove, and the sealing part is provided with an O-shaped cross section. Through the above-mentioned novel diaphragm assembly of optimal design, set up annular deformation groove through deformation portion, in limited space, increase the surface area of rubber, at the in-process of up-and-down motion, through the flat deformation that takes place of deformation groove exhibition of rubber to avoid producing tensile deformation, and then reduce the reverse resistance that the motion axle received, prolong the life of rubber simultaneously.
Description
Technical Field
The utility model relates to the technical field of novel diaphragm assemblies, in particular to a novel diaphragm assembly.
Background
Diaphragm structures are important parts in automobiles. The diaphragm structure is usually composed of a moving shaft in the middle and a rubber member fitted over the outside of the moving shaft, and the moving shaft is mounted to the counterpart via the rubber member and is in sealing engagement therewith. When the rubber piece works, the rubber piece can be pulled by the movement of the movement shaft, and is easy to deform, so that a gap is formed between the outer edge of the rubber piece and the opponent piece, and the leakage of fluid is caused. In addition, due to the existence of the rubber piece, the resistance force applied to the movement of the movement shaft is large, and the movement is not smooth.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides a novel diaphragm assembly. The utility model provides a novel diaphragm assembly, which comprises: a moving shaft and a rubber member;
the motion axle has the vulcanization section, and the rubber spare is in vulcanization section outer wall vulcanizes and forms annular structure, and the rubber spare includes by interior and laminating portion, deformation portion and the sealing that connects gradually outward, deformation portion has at least one annular deformation groove.
Preferably, the top surface of the deformation part and the ground are provided with a plurality of annular deformation grooves, and the upper part and the lower part of the cross section of each annular deformation groove form a wavy structure.
Preferably, the sealing part outer wall is provided with an annular boss, and the attaching part is vulcanized outside the annular boss.
Preferably, two ends of the annular boss are respectively provided with a sealing plane.
Preferably, the sealing part is internally provided with a through hole, and the attaching part is vulcanized to fill the through hole.
Preferably, the thickness of the sealing portion is greater than the deformation portion.
Preferably, still include the base member, the base member middle part is equipped with the opening that supplies the motion axle to pass, and the base member includes ring member and lower ring member, and the ring member bottom is equipped with the edge last holding tank that the opening inner edge extends, and lower ring member top is equipped with the edge lower holding tank that the opening inner edge extends, go up the holding tank with lower holding tank jointly form with sealing part complex sealed recess.
Preferably, the sealing portion has an O-shaped cross section.
Preferably, the upper receiving groove bottom has an upper recess portion shape-fitted with the sealing portion, and the lower receiving groove bottom has a lower recess portion shape-fitted with the sealing portion.
According to the novel diaphragm assembly, the moving shaft is provided with the vulcanization section, the rubber piece is vulcanized on the outer wall of the vulcanization section to form an annular structure, the rubber piece comprises the fitting part, the deformation part and the sealing part which are sequentially connected from inside to outside, the deformation part is provided with at least one annular deformation groove, and the sealing part is provided with an O-shaped cross section. Through the above-mentioned novel diaphragm assembly of optimal design, set up annular deformation groove through deformation portion, in limited space, increase the surface area of rubber, at the in-process of up-and-down motion, through the flat deformation that takes place of deformation groove exhibition of rubber to avoid producing tensile deformation, and then reduce the reverse resistance that the motion axle received, prolong the life of rubber simultaneously.
Drawings
Fig. 1 is a schematic perspective view of a novel diaphragm assembly according to the present invention.
Fig. 2 is another schematic perspective view of a novel diaphragm assembly according to the present invention.
Fig. 3 is a schematic cross-sectional structure diagram of a novel diaphragm assembly according to the present invention.
Detailed Description
As shown in fig. 1 to 3, fig. 1 is a schematic perspective view of a novel diaphragm assembly according to the present invention, fig. 2 is a schematic perspective view of another novel diaphragm assembly according to the present invention, and fig. 3 is a schematic cross-sectional view of the novel diaphragm assembly according to the present invention.
Referring to fig. 1 to 3, the present invention provides a novel diaphragm assembly, including: a moving shaft 1 and a rubber member;
the moving shaft 1 is provided with a vulcanization section, the rubber part is arranged on the outer wall of the vulcanization section in a vulcanization mode to form an annular structure, the rubber part comprises a fitting portion 21, a deformation portion 22 and a sealing portion 23 which are sequentially connected from inside to outside, and the deformation portion 22 is provided with at least one annular deformation groove 220.
In this embodiment, the novel diaphragm assembly that provides, the motion axle has the vulcanization section, and the rubber spare is in vulcanization section outer wall vulcanizes and forms annular structure, and the rubber spare includes laminating portion, deformation portion and the sealing that from inside to outside connects gradually, deformation portion has at least one annular deformation groove, the sealing has O type cross-section. Through the above-mentioned novel diaphragm assembly of optimal design, set up annular deformation groove through deformation portion, in limited space, increase the surface area of rubber, at the in-process of up-and-down motion, through the flat deformation that takes place of deformation groove exhibition of rubber to avoid producing tensile deformation, and then reduce the reverse resistance that the motion axle received, prolong the life of rubber simultaneously.
In the specific embodiment of the rubber body, the top surface and the ground of the deformation part 22 are provided with a plurality of annular deformation grooves 220, and the upper part and the lower part of the cross section of each annular deformation groove form a wavy structure; further increasing the axial deformation space of the rubber piece and reducing the resistance to the moving shaft.
In order to improve the bonding strength between the rubber piece and the moving shaft, the outer wall of the sealing part is provided with an annular boss 11, and the attaching part 21 is vulcanized outside the annular boss 11. Furthermore, two ends of the annular boss 11 are respectively provided with a sealing plane to prevent rubber overflow generated by rubber material injection during vulcanization.
In another embodiment, the sealing portion has a through hole 12 therein, and the bonding portion 21 is vulcanized to fill the through hole 12, in order to further improve the bonding strength between the sealing portion and the bonding portion.
In other specific design manners, this embodiment further includes a base body, an opening for the moving shaft 1 to pass through is provided in the middle of the base body, the base body includes an upper ring-shaped member 31 and a lower ring-shaped member 32, an upper receiving groove extending along the inner edge of the opening is provided at the bottom of the upper ring-shaped member 31, a lower receiving groove extending along the inner edge of the opening is provided at the top of the lower ring-shaped member 32, and the upper receiving groove and the lower receiving groove jointly form a sealing groove matched with the sealing portion 23.
Accordingly, in the specific design of the sealing portion, the thickness of the sealing portion 23 is larger than that of the deformation portion 22, so that a sufficient compression amount is ensured during sealing. Preferably, the sealing portion 23 has an O-shaped cross section, so that stress is more concentrated and sealing performance is improved.
In the design of matching the base body with the sealing part, the bottom of the upper accommodating groove is provided with an upper concave part matched with the sealing part 23 in shape, and the bottom of the lower accommodating groove is provided with a lower concave part matched with the sealing part 23 in shape; the position of the base body matched with the rubber O-shaped structure adopts a profiling design, so that a certain package is formed on the rubber piece, the movement of the rubber piece is blocked, and the rubber piece is prevented from falling out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A novel diaphragm assembly, comprising: a moving shaft (1) and a rubber piece;
motion axle (1) has the vulcanization section, and the rubber spare is in vulcanization section outer wall vulcanizes and forms annular structure, and the rubber spare includes laminating portion (21), deformation portion (22) and sealing (23) that connect gradually from inside to outside, deformation portion (22) have at least one annular deformation groove (220).
2. The novel diaphragm assembly of claim 1 wherein the top surface and the ground surface of the deformable portion (22) are provided with a plurality of annular deformable grooves (220) which form a wave-like structure above and below the cross-section thereof.
3. The novel diaphragm assembly of claim 1, wherein the outer wall of the sealing portion is provided with an annular boss (11), and the fitting portion (21) is vulcanized outside the annular boss (11).
4. The novel diaphragm assembly of claim 3, wherein the two ends of the annular boss (11) are respectively provided with a sealing plane.
5. The novel membrane assembly according to claim 1, characterized in that the sealing portion has a through hole (12) inside, the attachment portion (21) being vulcanized to fill the through hole (12).
6. A novel diaphragm assembly according to claim 1 or 2, characterised in that the sealing portion (23) has a thickness greater than the deformation portion (22).
7. The novel diaphragm assembly of claim 1, further comprising a base body, wherein an opening for the moving shaft (1) to pass through is formed in the middle of the base body, the base body comprises an upper annular member (31) and a lower annular member (32), an upper receiving groove extending along the inner edge of the opening is formed at the bottom of the upper annular member (31), a lower receiving groove extending along the inner edge of the opening is formed at the top of the lower annular member (32), and the upper receiving groove and the lower receiving groove jointly form a sealing groove matched with the sealing portion (23).
8. The novel diaphragm assembly of claim 7, wherein the sealing portion (23) has an O-shaped cross-section.
9. The novel diaphragm assembly of claim 8, wherein the upper receiving groove bottom has an upper recess that is form-fit with the sealing portion (23), and the lower receiving groove bottom has a lower recess that is form-fit with the sealing portion (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122809368.0U CN216447437U (en) | 2021-11-16 | 2021-11-16 | Novel diaphragm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122809368.0U CN216447437U (en) | 2021-11-16 | 2021-11-16 | Novel diaphragm assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216447437U true CN216447437U (en) | 2022-05-06 |
Family
ID=81352732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122809368.0U Active CN216447437U (en) | 2021-11-16 | 2021-11-16 | Novel diaphragm assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216447437U (en) |
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2021
- 2021-11-16 CN CN202122809368.0U patent/CN216447437U/en active Active
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