Flame-retardant styrene-butadiene rubber sealing ring

Abstract

The utility model provides a flame-retardant styrene-butadiene rubber sealing ring, which belongs to the technical field of mechanical parts, aims to solve the problem that a gap is easy to appear at the joint of two groups of rubber sealing rings when the two groups of rubber sealing rings are stacked for sealing, and comprises a sealing main body ring, a sealing arc, a first fastening block, a second fastening block, a sealing replacement mechanism and a sealing connection mechanism, the multiple sets of sealing arcs are arranged and arranged on the outer end face of the sealing body ring. The multiple sets of first fastening blocks are arranged, and the multiple sets of first fastening blocks are located on the outer end face of the sealing body ring. The multiple sets of second fastening blocks are fixedly connected to the inner end face of the sealing body ring. The sealing replacement mechanism is arranged on the multiple sets of first fastening blocks. And the sealing connecting mechanism is arranged on the outer side of the sealing main body ring. The service life of the sealing ring is prolonged by adopting the sealing replacement mechanism, and the sealing performance of the sealing ring is guaranteed by adopting the sealing connection mechanism.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical parts technical field, more specifically, it is especially related to a kind of flame-retardant styrene-butadiene rubber sealing ring. BACKGROUND

[0002] Mechanical equipment needs to be used to make product in industrial field, and the sealing property of connection needs to be guaranteed when mechanical equipment is connected, and rubber sealing ring needs to be used when connection is tight, to ensure that the internal pressure gas of mechanical equipment does not leak.

[0003] According to CN201822164263.2, the utility model relates to a kind of composite L-shaped rubber sealing ring, including the circular ring body made of rubber and the sealing lip mouth being set in the outer circle of circular ring body one week, the section of sealing lip mouth is the wedge structure of lower thick upper thin, the central line of sealing lip mouth and the plane between circular ring body form 100-130 degrees angle;Circular ring body central formation flow path through-hole, multiple sets of positioning holes are set on circular ring body, and positioning hole is equally spaced distribution on the circumference concentric with the circular ring body;Sealing lip mouth is made by rubber and polytetrafluoroethylene composite.The utility model production cost is lower, and its structure has self-sealing function, and the higher the pressure, the better the sealing, and the good grinding performance has long service life.

[0004] Based on the above, the existing rubber sealing ring is generally composed of rubber material, and the rubber sealing ring is integrally formed by rubber, when the width of equipment sealing is larger, single rubber sealing ring is difficult to guarantee the sealing property of equipment, and two groups of rubber sealing rings are required to be stacked and sealed, gap is prone to appear at the connecting portion of two groups of rubber sealing, and gap is prone to cause air leakage of equipment. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of flame-retardant styrene-butadiene rubber sealing ring, to solve the general rubber sealing ring of existing rubber sealing ring is generally composed of rubber material, and the rubber sealing ring is integrally formed by rubber, when the width of equipment sealing is larger, single rubber sealing ring is difficult to guarantee the sealing property of equipment, and two groups of rubber sealing rings are required to be stacked and sealed, gap is prone to appear at the connecting portion of two groups of rubber sealing, and gap is prone to cause air leakage of equipment.

[0006] The purpose and effect of the utility model of a kind of flame-retardant styrene-butadiene rubber sealing ring are achieved by the following specific technical means:

[0007] The application discloses a fire-retardant SBR sealing ring, which comprises a sealing main body ring, a sealing circular arc, a first fastening block, a second fastening block, a sealing replacement mechanism and a sealing connecting mechanism; the sealing main body ring is composed of SBR into a ring structure, and the surface of the sealing main body ring is coated with fire-retardant material; a plurality of groups of the sealing circular arc are arranged on the upper and lower end faces of the sealing main body ring and are circular arc surface structures; a plurality of groups of the first fastening block are arranged on the outer end face of the sealing main body ring; a plurality of groups of the second fastening block are fixedly connected to the inner end face of the sealing main body ring; the sealing replacement mechanism is arranged on the plurality of groups of the first fastening block; and the sealing connecting mechanism is arranged on the outer side of the sealing main body ring.

[0008] Further, the sealing replacement mechanism comprises a first circular arc and a second circular arc; a plurality of groups of the first circular arc are arranged on the left and right sides of the front end face of the plurality of groups of the first fastening block; and a plurality of groups of the second circular arc are arranged on the left and right sides of the inner end face of the plurality of groups of the second fastening block.

[0009] Further, the sealing replacement mechanism further comprises a mounting circular arc and a mounting groove; a plurality of groups of the mounting circular arc are arranged on the left and right sides of the inner end face of the plurality of groups of the first fastening block; and a plurality of groups of the mounting groove are arranged on the outer end face of the sealing main body ring, are in plug connection with the plurality of groups of the first fastening block, are adhesively connected to the inside of the plurality of groups of the mounting groove, and are arranged in the inside of the plurality of groups of the mounting groove.

[0010] Further, the sealing replacement mechanism further comprises a stable protruding block; a plurality of groups of the stable protruding block are fixedly connected to the outer end face of the first fastening block and the inner end face of the second fastening block, and are half-circular structures composed of SBR.

[0011] Further, the sealing connecting mechanism comprises a connecting cylinder and a connecting groove; four groups of the connecting cylinder are fixedly connected to the upper end face of the sealing main body ring; four groups of the connecting groove are arranged on the lower end face of the sealing main body ring, and the four groups of the connecting cylinder are in plug connection with the four groups of the connecting groove.

[0012] Further, the sealing connecting mechanism further comprises a connecting circular arc and a dismounting groove; four groups of the connecting circular arc are arranged on the upper end face of the four groups of the connecting cylinder and are circular arc surface structures; and four groups of the dismounting groove are arranged on the lower side of the outer end face of the four groups of the connecting cylinder.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a sealing replacement mechanism is adopted, realizes the first fastening block sticking in the sealed main body ring outer end face, and the first fastening block can replace, and the first fastening block will be subjected to friction extrusion when using, and the long time is easy to lead to the first fastening block oxidation and cannot guarantee the sealing, and directly replacing the first fastening block, and continuing to use the sealing ring, avoid the problem that the sealing ring appears slight damage and leads to replacement, improve the service life of sealing ring.

[0015] The utility model discloses a sealing connection mechanism is adopted, realizes when the equipment sealing area is bigger, two groups of sealing ring accumulation, and the connecting cylinder is inserted into the connection recess inside, makes two groups of sealing ring connect together, reduces two groups of sealing ring stack gap, avoids two groups of sealing ring stack gap and leads to the problem that the gap appears gas leakage, and two groups of sealing ring connection use, guarantees the sealing property of sealing ring, improves the pressure resistance of sealing ring simultaneously, guarantees the stability of sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model sealing ring upper view.

[0017] Figure 2 It is the structure schematic diagram of the utility model sealing ring lower view.

[0018] Figure 3 It is the structure schematic diagram of the utility model sealing main body ring part.

[0019] Figure 4 It is the structure schematic diagram of the utility model sealing replacement mechanism.

[0020] Figure 5 It is the structure schematic diagram of the utility model sealing connection mechanism.

[0021] Figure 6 It is the structure schematic diagram of the utility model connecting cylinder.

[0022] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0023] 1, sealing main body ring;2, sealing arc;3, first fastening block;301, first arc;302, installation arc;4, second fastening block;401, second arc;5, installation recess;6, firm boss;7, connecting cylinder;701, connecting arc;702, dismounting recess;8, connection recess. DETAILED DESCRIPTION

[0024] The embodiment of the utility model is further described in detail below in connection with the drawings and examples.

[0025] Example one:

[0026] As shown in the accompanying drawings Figure 1 to the accompanying Figure 4 drawings:

[0027] The utility model provides a kind of flame-retardant styrene-butadiene rubber sealing ring, including sealing main body ring 1, sealing circular arc 2, first fastening block 3, second fastening block 4 and sealing replacement mechanism;Sealing main body ring 1 is composed of annular structure by styrene-butadiene rubber, sealing main body ring 1 surface smears flame-retardant material;Sealing circular arc 2 is provided with multiple groups, multiple groups of sealing circular arc 2 are respectively set on the upper and lower two end surfaces of sealing main body ring 1, and multiple groups of sealing circular arc 2 are respectively circular arc surface structure;First fastening block 3 is provided with multiple groups, and multiple groups of first fastening block 3 are respectively located on the outer end surface of sealing main body ring 1;Second fastening block 4 is provided with multiple groups, and multiple groups of second fastening block 4 are respectively fixedly connected to the inner end surface of sealing main body ring 1;Sealing replacement mechanism is arranged on multiple groups of first fastening block 3.

[0028] Among them, sealing replacement mechanism includes: first circular arc 301 and second circular arc 401;First circular arc 301 is provided with multiple groups, and multiple groups of first circular arc 301 are respectively set on the left and right sides of the front end surface of multiple groups of first fastening block 3;Second circular arc 401 is provided with multiple groups, and multiple groups of second circular arc 401 are respectively set on the left and right sides of the inner end surface of multiple groups of second fastening block 4, in use process, first circular arc 301 and second circular arc 401 are respectively set on the outer end surface of first fastening block 3 and second fastening block 4, to facilitate the installation of first fastening block 3 and second fastening block 4 on the device.

[0029] Among them, sealing replacement mechanism further includes: installation circular arc 302 and installation groove 5;Installation circular arc 302 is provided with multiple groups, and multiple groups of installation circular arc 302 are respectively set on the left and right sides of the inner end surface of multiple groups of first fastening block 3;Installation groove 5 is provided with multiple groups, and multiple groups of installation groove 5 are respectively set on the outer end surface of sealing main body ring 1, multiple groups of installation groove 5 are respectively connected with multiple groups of first fastening block 3, multiple groups of first fastening block 3 are respectively adhered and connected inside multiple groups of installation groove 5, and multiple groups of installation circular arc 302 are respectively located inside multiple groups of installation groove 5, in use process, first fastening block 3 moves to drive installation circular arc 302 to move, installation circular arc 302 and first fastening block 3 are moved and inserted into installation groove 5 inside, and first fastening block 3 is adhered and connected inside installation groove 5, so that first fastening block 3 is installed on the outer end surface of sealing main body ring 1.

[0030] Among them, sealing replacement mechanism further includes: stable protruding block 6;Stable protruding block 6 is provided with multiple groups, and multiple groups of stable protruding block 6 are respectively fixedly connected to the outer end surface of first fastening block 3 and the inner end surface of second fastening block 4, and multiple groups of stable protruding block 6 are respectively composed of semicircular structure by styrene-butadiene rubber, in use process, stable protruding block 6 is installed on the inner and outer end surfaces of sealing main body ring 1, to increase the sealing property and stability of sealing main body ring 1 and connecting device.

[0031] The specific use mode and effect of the embodiment one are as follows:

[0032] In use, the first arc 301 and the second arc 401 are arranged on the outer end faces of the first fastening block 3 and the second fastening block 4 respectively, facilitating the installation of the first fastening block 3 and the second fastening block 4 on the device, the first fastening block 3 drives the installation arc 302 to move, the installation arc 302 and the first fastening block 3 are inserted into the installation groove 5, the first fastening block 3 is adhesively connected in the installation groove 5, thereby the first fastening block 3 is installed on the outer end face of the sealing main body ring 1, the stable lug 6 is installed on the inner and outer end faces of the sealing main body ring 1, the sealing property and stability of the sealing main body ring 1 and the connecting device are improved, the first fastening block 3 can be replaced, and the service life of the sealing ring is prolonged.

[0033] Embodiment two

[0034] On the basis of the embodiment one, as shown in the accompanying drawings Figure 5 and the accompanying drawings Figure 6 , the specific use mode and effect of the embodiment two are as follows:

[0035] The utility model provides a kind of flame-retardant styrene-butadiene rubber sealing ring, still including sealing connection mechanism, sealing connection mechanism is arranged in sealing main body ring 1 outside, sealing connection mechanism includes: connecting cylinder 7 and connecting recess 8;Connecting cylinder 7 is provided with four groups, four groups of connecting cylinder 7 are respectively fixedly connected on the upper end face four corners of sealing main body ring 1;Connecting recess 8 is provided with four groups, four groups of connecting recess 8 are respectively arranged in the lower end face four corners of sealing main body ring 1, four groups of connecting cylinder 7 are respectively and four groups of connecting recess 8 are insertedly connected, in use, when two groups of sealing rings, when two groups of sealing rings need to be connected together for use, two groups of sealing rings are aligned, the connecting cylinder 7 of the upper end face of sealing main body ring 1 and the connecting recess 8 of the lower end face of another group of sealing main body ring 1 are aligned, and the connecting cylinder 7 is inserted into the inside of connecting recess 8 to be connected together.

[0036] Among them, sealing connection mechanism further includes: connecting arc 701 and dismounting recess 702;Connecting arc 701 is provided with four groups, four groups of connecting arc 701 are respectively arranged on the upper end face of four groups of connecting cylinder 7, and four groups of connecting arc 701 are respectively arc surface structure;Dismounting recess 702 is provided with four groups, four groups of dismounting recess 702 are respectively arranged on the lower side of the outer end face of four groups of connecting cylinder 7, in use, connecting arc 701 is convenient for connecting cylinder 7 to be inserted into the inside of connecting recess 8, when connecting cylinder 7 is not inserted into the inside of connecting recess 8, connecting cylinder 7 is redundant on sealing main body ring 1, can be inserted into the inside of dismounting recess 702 with scissors, and the connecting cylinder 7 is dismounted from sealing main body ring 1 with scissors, to ensure that the surface of sealing main body ring 1 is flat.

[0037] The specific use mode and effect of the embodiment two are as follows:

[0038] In use, when two groups of sealing rings need to be connected together for use, the two groups of sealing rings are aligned, the connecting cylinder 7 on the upper end surface of the sealing main body ring 1 is aligned with the connecting groove 8 on the lower end surface of the sealing main body ring 1 of the other group, the connecting cylinder 7 is inserted into the connecting groove 8 to be connected together, and the connecting arc 701 facilitates the insertion of the connecting cylinder 7 into the connecting groove 8. When the connecting cylinder 7 is not inserted into the connecting groove 8, the connecting cylinder 7 is redundant on the sealing main body ring 1. A pair of scissors can be inserted into the disassembly groove 702 to disassemble the connecting cylinder 7 from the sealing main body ring 1, so as to ensure the flatness of the surface of the sealing main body ring 1 and realize the connection of the two groups of sealing rings.

[0039] In this document, the following points need to be noted:

[0040] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0041] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0042] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered by the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A flame-retardant styrene-butadiene rubber sealing ring, comprising a sealing main ring (1), a sealing arc (2), a first fastening block (3), a second fastening block (4), a sealing replacement mechanism, and a sealing connection mechanism; wherein the sealing main ring (1) is composed of a ring structure of styrene-butadiene rubber, and the surface of the sealing main ring (1) is coated with a flame-retardant material; characterized in that: The sealing arc (2) is provided in multiple sets, and the multiple sets of sealing arcs (2) are respectively opened on the upper and lower end faces of the sealing main body ring (1). The multiple sets of sealing arcs (2) are arc surface structures; the first fastening block (3) is provided in multiple sets, and the multiple sets of first fastening blocks (3) are respectively located on the outer end face of the sealing main body ring (1); the second fastening block (4) is provided in multiple sets, and the multiple sets of second fastening blocks (4) are respectively fixedly connected to the inner end face of the sealing main body ring (1); the sealing replacement mechanism is provided on the multiple sets of first fastening blocks (3); the sealing connection mechanism is provided on the outer side of the sealing main body ring (1).

2. The flame-retardant styrene-butadiene rubber sealing ring as described in claim 1, characterized in that: The sealing replacement mechanism includes: a first arc (301) and a second arc (401); the first arc (301) is provided in multiple sets, and the multiple sets of first arcs (301) are respectively opened on the left and right sides of the front end face of the multiple sets of first fastening blocks (3); the second arc (401) is provided in multiple sets, and the multiple sets of second arcs (401) are respectively opened on the left and right sides of the inner end face of the multiple sets of second fastening blocks (4).

3. The flame-retardant styrene-butadiene rubber sealing ring as described in claim 1, characterized in that: The sealing replacement mechanism further includes: mounting arcs (302) and mounting grooves (5); multiple sets of mounting arcs (302) are provided, and multiple sets of mounting arcs (302) are respectively opened on the left and right sides of the inner end face of multiple sets of first fastening blocks (3); multiple sets of mounting grooves (5) are provided, and multiple sets of mounting grooves (5) are respectively opened on the outer end face of the sealing body ring (1), and multiple sets of mounting grooves (5) are respectively inserted and connected to multiple sets of first fastening blocks (3), and multiple sets of first fastening blocks (3) are respectively glued and connected to the inside of multiple sets of mounting grooves (5), and multiple sets of mounting arcs (302) are respectively located inside multiple sets of mounting grooves (5).

4. The flame-retardant styrene-butadiene rubber sealing ring as described in claim 1, characterized in that: The sealing replacement mechanism also includes: a stabilizing protrusion (6); the stabilizing protrusion (6) is provided in multiple sets, and the multiple sets of stabilizing protrusions (6) are respectively fixedly connected to the outer end face of the first fastening block (3) and the inner end face of the second fastening block (4), and the multiple sets of stabilizing protrusions (6) are semi-circular structures composed of styrene-butadiene rubber.

5. The flame-retardant styrene-butadiene rubber sealing ring as described in claim 1, characterized in that: The sealing connection mechanism includes: connecting cylinders (7) and connecting grooves (8); there are four sets of connecting cylinders (7), and the four sets of connecting cylinders (7) are fixedly connected to the four corners of the upper end face of the sealing main body ring (1); there are four sets of connecting grooves (8), and the four sets of connecting grooves (8) are respectively opened at the four corners of the lower end face of the sealing main body ring (1), and the four sets of connecting cylinders (7) are respectively inserted into the four sets of connecting grooves (8).

6. The flame-retardant styrene-butadiene rubber sealing ring as described in claim 5, characterized in that: The sealing connection mechanism further includes: connecting arcs (701) and disassembly grooves (702); there are four sets of connecting arcs (701), which are respectively opened on the upper end face of the four sets of connecting cylinders (7), and the four sets of connecting arcs (701) are arc surface structures; there are four sets of disassembly grooves (702), which are respectively opened on the lower side of the outer end face of the four sets of connecting cylinders (7).

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