CN209876080U - Air leakage prevention breather valve with good sealing effect - Google Patents

Abstract

The utility model discloses an anti-air leakage breather valve with good sealing effect, which comprises a breather valve body, the top of the breather valve body is provided with a valve cover, the inner surface of the valve cover is provided with internal threads, the outer surface of the breather valve body is provided with external threads matched with the internal threads, fastening bolts are horizontally arranged on both sides of the valve cover in a penetrating way, screw grooves matched with the fastening bolts are arranged on both sides of the breather valve body, the top of the valve cover is fixedly connected with an air release port, the top of the air release port is provided with a sealing cover, two sides of the top of the inner wall of the breather valve body are respectively and fixedly connected with a first flow-resisting inclined plate and a second flow-resisting inclined plate, the breather valve is characterized in that the first flow-resisting inclined plate is located above the second flow-resisting inclined plate, two anti-collision rings are fixedly sleeved on the outer wall of the breather valve body below the valve cover, and a protective sleeve is movably sleeved on the outer wall of the breather valve body between the two anti-collision rings. The utility model discloses valve sealing performance is good, and self structural strength is high, long service life.

Description

Air leakage prevention breather valve with good sealing effect

Technical Field

The utility model relates to a breather valve technical field especially relates to a sealed effectual leak protection gas breather valve.

Background

The breather valve is an important component widely applied to mechanical equipment such as a speed reducer and a fuel tank, and the breather valve is a valve which not only ensures that a storage tank space is isolated from the atmosphere within a certain pressure range, but also can be communicated with the atmosphere (breathes) when the pressure exceeds or is lower than the pressure range, and has the functions of preventing the storage tank from being damaged due to overpressure or vacuum and reducing the evaporation loss of stored liquid.

However, the existing breather valve has a weak sealing effect at the air outlet, which easily causes volatilization and leakage of stored liquid, and has poor self anti-collision and shock-absorbing capabilities, thereby affecting the service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a leak-proof breather valve with good sealing effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air leakage prevention breather valve with good sealing effect comprises a breather valve body, wherein a valve cover is installed at the top of the breather valve body, an internal thread is arranged on the inner surface of the valve cover, an external thread matched with the internal thread is arranged on the outer surface of the breather valve body, fastening bolts are horizontally arranged on two sides of the valve cover in a penetrating manner, screw grooves matched with the fastening bolts are arranged on two sides of the breather valve body, an air release port is fixedly connected with the top of the valve cover, a sealing cover is installed at the top of the air release port, a first flow blocking inclined plate and a second flow blocking inclined plate are respectively and fixedly connected with two sides of the top of the inner wall of the breather valve body, the first flow blocking inclined plate is positioned above the second flow blocking inclined plate, two anti-collision rings are fixedly sleeved on the outer wall of the breather valve body below the valve cover, a protective sleeve is movably sleeved on the outer wall of, the protection casing both sides equal fixedly connected with sleeve, two the equal swing joint in one side that the sleeve is relative has the connecting rod, the vertical fixedly connected with mounting panel of connecting rod one end, connecting rod opposite side fixedly connected with buffer spring in the sleeve, buffer spring and sleeve inside wall fixed connection.

Preferably, two connecting screws penetrate through the mounting plate horizontally.

Preferably, the front surface of the protective sleeve is symmetrically and fixedly connected with connecting plates, and a fastener is arranged between the two connecting plates in a penetrating mode.

Preferably, a sealing gasket is fixedly connected to the top of the inner wall of the sealing cover.

Preferably, the two opposite ends of the fastening bolt are fixedly connected with the button cover, and the outer surface of the button cover is sleeved with the anti-skidding sleeve.

Preferably, the outer diameter of the anti-collision ring is larger than that of the protective sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the valve cover, the fastening bolt, the sealing cover, the first flow-resisting inclined plate and the second flow-resisting inclined plate are arranged, so that the sealing performance of the valve can be improved, the valve cover is not easy to loosen, and the liquid stored in the valve cover is not easy to leak and volatilize;

2. in the utility model, the anti-collision ring, the protective sleeve, the damping spring and the buffer spring are arranged, so that the structural strength of the breather valve can be improved, the damping and buffering effect is good, and the service life is prolonged;

to sum up, the utility model discloses simple structure, convenient operation, valve sealing performance is good, and self structural strength is high, long service life.

Drawings

Fig. 1 is a schematic structural view of an anti-air-leakage breather valve with good sealing effect provided by the present invention;

fig. 2 is the utility model provides a sealed effectual leak protection gas breather valve's A enlargements.

In the figure: the breather valve comprises a breather valve body 1, a valve cover 2, a fastening bolt 3, a thread groove 4, a vent hole 5, a sealing cover 6, a first flow-resisting inclined plate 7, a second flow-resisting inclined plate 8, an anti-collision ring 9, a protective casing 10, a damping spring 11, a sleeve 12, a connecting rod 13, a mounting plate 14 and a buffer spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an anti-leakage breather valve with good sealing effect comprises a breather valve body 1, a valve cover 2 is installed at the top of the breather valve body 1, internal threads are arranged on the inner surface of the valve cover 2, external threads matched with the internal threads are arranged on the outer surface of the breather valve body 1, fastening bolts 3 are horizontally arranged on both sides of the valve cover 2 in a penetrating manner, thread grooves 4 matched with the fastening bolts 3 are arranged on both sides of the breather valve body 1, the connection of the valve cover 2 and the breather valve body 1 can be enhanced by the fastening bolts 3 after the valve cover 2 is tightened, an air release port 5 is fixedly connected to the top of the valve cover 2, a sealing cover 6 is installed at the top of the air release port 5, a first flow-resisting inclined plate 7 and a second flow-resisting inclined plate 8 are respectively and fixedly connected to both sides of the top of the inner wall of the breather valve body 1, the first, breather valve body 1 outer wall is equipped with protective sleeve 10 in the activity cover between two anti-collision rings 9, all install damping spring 11 between protective sleeve 10 and two anti-collision rings 9, the equal fixedly connected with sleeve 12 in protective sleeve 10 both sides, the equal swing joint in one side that two sleeves 12 are relative has connecting rod 13, the vertical fixedly connected with mounting panel 14 of connecting rod 13 one end, connecting rod 13 opposite side fixedly connected with buffer spring 15 in sleeve 12, buffer spring 15 and sleeve 12 inside wall fixed connection, buffer spring 15 and damping spring 11 can cushion the shock attenuation from many positions to the valve, reduce the impact force, increase of service life.

The mounting panel 14 is improved level and is run through and install two connecting screw, and protection casing 10 front surface symmetry fixedly connected with connecting plate runs through between two connecting plates and installs the fastener, and 6 inner wall top fixedly connected with seal ring of sealed lid, the equal fixed connection button lids of two fastening bolt 3 relative one end, the outer surface cover of button lid is equipped with anti-skidding cover, and the external diameter of anticollision ring 9 is greater than the external diameter of protection casing 10.

The utility model discloses in, the staff at first fixes the breather valve through the connecting screw on the mounting panel 14, first spoiler 7 and the cooperation of second spoiler 8, it is too much to store liquid after preventing gas release port 5 and open, valve gap 2 strengthens its being connected with breather valve body 1 at 3 accessible fastening bolt after screwing up simultaneously, anticollision ring 9 and protective casing 10 are used for improving the structural strength of valve, and two anticollision rings 9 can carry on spacingly to protective casing 10, avoid causing the deformation because of the foreign object striking, when using, buffer spring 15 and damping spring 11 can cushion the shock attenuation to the valve from the multi-azimuth, reduce the impact force, increase of service life, the utility model discloses simple structure, convenient operation.

The above, 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 (6)

1. The leak-proof breather valve with good sealing effect comprises a breather valve body (1) and is characterized in that a valve cover (2) is installed at the top of the breather valve body (1), internal threads are arranged on the inner surface of the valve cover (2), external threads matched with the internal threads are arranged on the outer surface of the breather valve body (1), fastening bolts (3) are horizontally installed on two sides of the valve cover (2) in a penetrating manner, thread grooves (4) matched with the fastening bolts (3) are formed in two sides of the breather valve body (1), a relief port (5) is fixedly connected to the top of the valve cover (2), a sealing cover (6) is installed at the top of the relief port (5), a first flow-blocking inclined plate (7) and a second flow-blocking inclined plate (8) are fixedly connected to two sides of the top of the inner wall of the breather valve body (1) respectively, and the first flow-blocking inclined plate (7), breather valve body (1) outer wall is equipped with two anticollision ring (9) in valve gap (2) below fixed cover, breather valve body (1) outer wall is equipped with protective casing (10) in the activity cover between two anticollision ring (9), all install damping spring (11) between protective casing (10) and two anticollision ring (9), the equal fixedly connected with sleeve (12) in protective casing (10) both sides, two the equal swing joint in one side that sleeve (12) is relative has connecting rod (13), the vertical fixedly connected with mounting panel (14) of connecting rod (13) one end, connecting rod (13) opposite side fixedly connected with buffer spring (15) in sleeve (12), buffer spring (15) and sleeve (12) inside wall fixed connection.

2. The air leakage prevention breather valve with good sealing effect according to claim 1, wherein two connecting screws horizontally penetrate through the mounting plate (14).

3. The air leakage prevention breather valve with good sealing effect according to claim 1, wherein the front surface of the protective casing (10) is symmetrically and fixedly connected with connecting plates, and a fastener is arranged between the two connecting plates in a penetrating way.

4. The air leakage prevention breather valve with good sealing effect according to claim 1, wherein a sealing gasket is fixedly connected to the top of the inner wall of the sealing cover (6).

5. The air leakage prevention breather valve with good sealing effect according to claim 1, wherein the opposite ends of the two fastening bolts (3) are fixedly connected with a button cover, and an anti-skidding sleeve is sleeved on the outer surface of the button cover.

6. An airtight breather valve with good sealing effect, according to claim 1, wherein the outer diameter of the anti-collision ring (9) is larger than that of the protective sleeve (10).