CN217519228U

CN217519228U - Wear-resistant silicon rubber sealing element

Info

Publication number: CN217519228U
Application number: CN202123179749.1U
Authority: CN
Inventors: 张晓�
Original assignee: Nanjing Bocheng Rubber Plastic Co ltd
Current assignee: Nanjing Bocheng Rubber Plastic Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-09-30
Anticipated expiration: 2031-12-17

Abstract

The utility model provides an abrasion-proof silicon rubber sealing element, which comprises a sealing element body, and is different from the prior art, one side of the sealing element body is provided with a first clamping piece, one side of the sealing element body, which is far away from the first clamping piece, is also provided with a second clamping piece, and the first clamping piece, the sealing element body and the second clamping piece are in an integral structural design; the connecting cavity is formed in the sealing element body, the first air cavity is formed in the first clamping piece, the second air cavity is formed in the second clamping piece, and the first air cavity is communicated with the second air cavity through the connecting cavity. The utility model discloses use the aeration equipment to pass through the air cock and aerify the back to connecting the chamber, first air cavity, connection chamber and the inside gas that all fills of second air cavity, when the gap size between the door body and the door frame changes, but the size in the gap of first fastener after aerifing, sealing member body and second fastener self-adaptation, it is effectual to give sound insulation.

Description

Wear-resistant silicon rubber sealing element

Technical Field

The utility model relates to a sealing member technical field especially relates to silicon rubber sealing member of abrasionproof decreases.

Background

The sealing element is a material or a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading parts in the machine equipment, is made of silicon rubber, and mainly seals the door plate and the door frame when the induction door of the railway vehicle is closed so as to achieve the effect of silence.

The prior art has the following defects: present silicon rubber sealing member design simple structure, need measure the gap size between rail vehicle door plant and the door frame earlier before the use, then use silicon rubber sealing member processing and gap adaptation back again, however rail vehicle operation in-process, the mechanical operation of induction door has certain deviation scope to can lead to the gap size change between door plant and the door frame, when the gap grow, the silicon rubber sealing member can not effectively fill the gap, leads to the syllable-dividing effect poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide the silicon rubber sealing member of abrasionproof decreases.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: the anti-abrasion silicon rubber sealing element comprises a sealing element body, wherein a first clamping piece is arranged on one side of the sealing element body, a second clamping piece is further arranged on one side, away from the first clamping piece, of the sealing element body, and the first clamping piece, the sealing element body and the second clamping piece are designed in an integrated structure;

preferably, pass through the viscose with second fastener and door frame and fix, the back is closed in the door body slip, and first fastener is gone into to the border position card of the door body, and sealed nursing is done for the gap between the door body and the door frame to first fastener and second fastener cooperation sealing member body this moment, and sealing performance is better.

Preferably, because the door body is at long-term mechanical operation in-process, the mechanical operation of the door body has certain deviation scope to can lead to the gap size change between the door body and the door frame, we can self-adaptation door body and the size after the gap change between the door frame in order to make mutually supporting between first fastener, sealing member body and the second fastener, carry out further optimization to the concrete structure of first fastener, sealing member body and second fastener, the structure after optimizing is as follows:

preferably, the connection chamber has been seted up to the inside of sealing member body, first air cavity has been seted up to the inside of first fastener, the second air cavity has been seted up to the inside of second fastener, and first air cavity and second air cavity are through being connected the chamber intercommunication, aerify in the inside of connecting the chamber for convenience, we still set up one and connect the air cock that the chamber switched on at the end fixing of sealing member body, use the air inflation equipment to pass through the air cock to connecting the chamber and aerify the back, first air cavity, connect the inside gas that all fills of chamber and second air cavity, when the gap size between the door body and door frame changes, the first fastener after aerifing, but the size in sealing member body and second fastener self-adaptation gap, it is effectual to give sound insulation.

Preferably, consider first fastener and second fastener and contact with a body and door frame respectively, at the long-term in-process of opening and close of a body, the inboard (especially inboard of first fastener) of first fastener and second fastener can receive wearing and tearing, in order to improve this kind of condition, we pass through the fixed bearing piece of viscose in the inboard of first fastener and second fastener, the bearing piece adopts the nylon material, when the door body is closed, the bearing piece not only plays the effect of abrasionproof, but also plays the effect of bearing, the life of further first fastener of extension and second fastener.

Preferably, in order to enable the first clamping piece and the second clamping piece to have better sealing performance and enable the first clamping piece and the second clamping piece to be more attached to the door body and the door frame, the first clamping piece and the second clamping piece are made into U-shaped shapes, and therefore the sealing performance can be further improved.

The utility model has the advantages that:

the utility model discloses use the inflation equipment to pass through the air cock and aerify the back to connecting the chamber, first air cavity, connect the inside gas that all fills of chamber and second air cavity, when the gap size between the door body and the door frame changes, but the size in the gap of first fastener after the inflation, sealing member body and second fastener self-adaptation, it is effectual to give sound insulation.

Drawings

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

fig. 2 is a schematic cross-sectional view of the present invention in fig. 1;

fig. 3 is a usage state diagram of the present invention.

In the figure: 1. a seal body; 11. a connecting cavity; 2. a first clip member; 21. a first air cavity; 3. a second clip member; 31. a second air cavity; 4. an air faucet; 5. a pressure bearing sheet; 6. a door body; 7. a door frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

Referring to fig. 1, the abrasion-proof silicone rubber sealing element of the present embodiment includes a sealing element body 1, and is different from the prior art in that a first clamping member 2 is disposed on one side of the sealing element body 1, a second clamping member 3 is further disposed on one side of the sealing element body 1 away from the first clamping member 2, and the first clamping member 2, the sealing element body 1, and the second clamping member 3 are designed in an integrated structure;

referring to fig. 3, the second clamping piece 3 and the door frame 7 are fixed by adhesive, after the door body 6 is closed in a sliding manner, the edge position of the door body 6 is clamped into the first clamping piece 2, and at this time, the first clamping piece 2 and the second clamping piece 3 cooperate with the sealing member body 1 to perform sealing care on a gap between the door body 6 and the door frame 7, so that the sealing performance is better.

Further, because door body 6 is in long-term mechanical operation in-process, the mechanical operation of door body 6 has certain deviation scope to can lead to the gap size change between door body 6 and the door frame 7, we can the size after the gap change between self-adaptation door body 6 and the door frame 7 for making mutually supporting between first fastener 2, sealing member body 1 and the second fastener 3, carry out further optimization to the concrete structure of first fastener 2, sealing member body 1 and second fastener 3, the structure after optimizing is as follows:

please refer to fig. 2, a connection cavity 11 is formed inside the sealing member body 1, a first air cavity 21 is formed inside the first clamping member 2, a second air cavity 31 is formed inside the second clamping member 3, and the first air cavity 21 and the second air cavity 31 are communicated through the connection cavity 11, in order to facilitate the inflation of the inside of the connection cavity 11, an air faucet 4 communicated with the connection cavity 11 is further fixedly arranged at the end of the sealing member body 1, after the connection cavity 11 is inflated through the air faucet 4 by using an inflating device, the first air cavity 21, the connection cavity 11 and the second air cavity 31 are both filled with air, when the size of a gap between the door body 6 and the door frame 7 is changed, the inflated first clamping member 2, the sealing member body 1 and the second clamping member 3 can adapt to the size of the gap, and the sound insulation effect is good.

Further, consider first fastener 2 and second fastener 3 and contact with door body 6 and door frame 7 respectively, at the long-term in-process of opening and close of door body 6, the inboard (especially the inboard of first fastener 2) of first fastener 2 and second fastener 3 can receive wearing and tearing, in order to improve this kind of condition, we pass through the fixed bearing piece 5 of viscose in the inboard of first fastener 2 and second fastener 3, bearing piece 5 adopts the nylon material, when door body 6 is closed, bearing piece 5 not only plays the effect of abrasionproof, but also plays the effect of bearing, the further life who prolongs first fastener 2 and second fastener 3.

Furthermore, in order to enable the first clamping piece 2 and the second clamping piece 3 to have better sealing performance and enable the first clamping piece 2 and the second clamping piece 3 to be more attached to the door body 6 and the door frame 7, the first clamping piece 2 and the second clamping piece 3 are made into U-shaped shapes, so that the sealing performance can be further improved.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Silicon rubber seal of abrasionproof decreases, including sealing member body (1), its characterized in that: a first clamping piece (2) and a second clamping piece (3) are respectively arranged on two sides of the sealing element body (1), the first clamping piece (2), the sealing element body (1) and the second clamping piece (3) are integrally designed, a connecting cavity (11) is formed in the sealing element body (1), a first air cavity (21) is formed in the first clamping piece (2), and a second air cavity (31) is formed in the second clamping piece (3); and the first air cavity (21) is communicated with the second air cavity (31) through the connecting cavity (11).

2. The wear resistant silicone rubber seal of claim 1, wherein: the inner sides of the first clamping piece (2) and the second clamping piece (3) are fixed with the bearing piece (5) through adhesive.

3. The wear resistant silicone rubber seal of claim 2, wherein: the transverse sections of the first clamping piece (2) and the second clamping piece (3) are both in U-shaped design.

4. The wear resistant silicone rubber seal of claim 3, wherein: the first clamping piece (2) and the second clamping piece (3) are oppositely arranged.

5. The wear resistant silicone rubber seal of claim 4, wherein: the pressure bearing sheet (5) is made of nylon materials.

6. The wear resistant silicone rubber seal of any of claims 1 to 5, wherein: and the end part of the sealing element body (1) is fixedly provided with an air nozzle (4) communicated with the connecting cavity (11).