CN214500121U

CN214500121U - Noise-reduction sealing copper ball valve

Info

Publication number: CN214500121U
Application number: CN202120676276.7U
Authority: CN
Inventors: 张彬华
Original assignee: Zhejiang Juquan Copper Co ltd
Current assignee: Zhejiang Juquan Copper Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-26
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a noise-reducing sealed copper ball valve, aiming at providing a noise-reducing sealed copper ball valve, its technical scheme main points are the porous board of making an uproar that falls of a plurality of mutual parallel arrangement of fixedly connected with on the fluid passage inner wall in the valve core, it falls a plurality of holes of making an uproar to fall to be equipped with on the porous board of making an uproar, fall the crisscross distribution of the hole of making an uproar between the board of making an uproar of adjacent porous, be equipped with sealed recess on the valve rod, be equipped with the lip seal circle of contradicting with the passageway inner wall in the sealed recess, the opening cross-section of lip seal circle is the type of falling U structure, lip seal divide into outer lip and inner lip, the outer wall of outer lip is the indent arc face, lip seal circle's opening is inside to be equipped with the joint groove and has a plurality of U type spring leafs through the joint groove joint, the opening direction of U type spring leaf is unanimous with lip seal circle's opening direction, the opening part bonding of lip seal circle has the seal membrane, the utility model is suitable for a valve technical field.

Description

Noise-reduction sealing copper ball valve

Technical Field

The utility model belongs to the technical field of the valve, refer in particular to a sealed copper ball valve of making an uproar falls.

Background

The ball valve is mainly used for cutting off or connecting a medium in a pipeline and can also be used for adjusting and controlling fluid, and is widely applied to various industries, but in actual use, the existing copper ball valve has the problems of high pipeline noise, poor sealing performance and the like, and is poor in practicability.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a sealed copper ball valve of making an uproar falls.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a sealed copper ball valve of making an uproar falls, includes valve body, case, valve rod, the case sets up in the valve body, the passageway has been seted up to the valve body upper end, the passageway is worn to be equipped with length and is extended to the inside valve rod of case, fluid passage, characterized by have been seted up in the case: the utility model discloses a valve core, including valve core, fluid passage inner wall, the porous board of making an uproar that falls of fixedly connected with a plurality of mutual parallel arrangement on the valve core, it falls a plurality of holes of making an uproar to fall to be equipped with on the porous board of making an uproar, fall the crisscross distribution in the hole of making an uproar between the adjacent porous board of making an uproar that falls, be equipped with sealed recess on the valve rod, be equipped with the lip seal circle of contradicting with the passageway inner wall in the sealed recess, the opening cross-section of lip seal circle is the type of falling U structure, the lip seal circle divide into outer lip and inner lip, the outer wall of outer lip is interior concave arc face, the inside joint groove that is equipped with of opening of lip seal circle and has a plurality of U type spring leaf through the joint groove joint, the opening direction of U type spring leaf is unanimous with the opening direction of lip seal circle, the opening part adhesion of lip seal circle has the seal membrane.

The utility model discloses further set up to: the outer wall surface of the inner lip of the lip-shaped sealing ring is fixedly connected with a sealing ring.

The utility model discloses further set up to: the water inlet pipeline and the water outlet pipeline are respectively arranged at the left end and the right end of the valve body and are in threaded connection with the valve body.

The utility model discloses further set up to: and a fixed block is arranged at the joint of the porous noise reduction plate and the inner wall of the fluid channel.

The utility model discloses further set up to: the sealing film is made of rubber.

Compared with the prior art, the utility model, have following advantage:

1. the structural stability of the porous noise reduction plate is ensured, and the problem of high noise in the valve body is effectively solved by utilizing the porous noise absorption principle;

2. the U-shaped spring piece is clamped in the clamping groove on the inner wall surface of the opening of the lip-shaped sealing ring, so that the structural strength and the sealing property of the lip-shaped sealing ring are improved;

3. the outer wall surface of the outer lip of the lip-shaped sealing ring is arranged to be an inwards concave arc surface, so that an elastic buffering space is ensured for the lip-shaped sealing ring when the lip-shaped sealing ring is impacted by external force, and the impact damage to the lip-shaped sealing ring is reduced;

4. the opening part adhesion seal membrane of lip-shaped sealing washer improves cleanliness factor and leakproofness, prolongs the life of U type spring leaf.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the lip seal of the present invention;

fig. 3 is an enlarged view of a of the present invention.

In the drawings: 1. a valve body; 2. a valve core; 3. a valve stem; 4. a porous noise reduction plate; 5. a seal ring; 6. sealing the groove; 7. a lip-shaped seal ring; 8. an inner concave arc-shaped surface; 9. a clamping groove; 10. a U-shaped spring piece; 11. a sealing film; 12. a water inlet pipe; 13. a water outlet pipeline.

Detailed Description

The invention is further described in the following with reference to fig. 1 to 3 in a specific embodiment:

the utility model provides a sealed copper ball valve of making an uproar falls, includes valve body 1, case 2, valve rod 3, case 2 sets up in valve body 1, the passageway has been seted up to 1 upper end of valve body, the passageway is worn to be equipped with length and is extended to 2 inside valve rods 3 of case, fluid passage, characterized by have been seted up in case 2: the porous board 4 of making an uproar that falls of a plurality of mutual parallel arrangement of fixedly connected with on the fluid passage inner wall in the case 2, it falls a plurality of holes of making an uproar to fall to be equipped with on the porous board 4 of making an uproar to fall, fall the crisscross distribution of the hole of making an uproar between the adjacent porous board 4 of making an uproar of falling, be equipped with sealed recess 6 on the valve rod, be equipped with lip seal 7 of contradicting with the passageway inner wall in the sealed recess 6, lip seal 7's opening cross-section is the type of falling U structure, lip seal 7 divide into outer lip and inner lip, the outer wall of outer lip is indent arc face 8, lip seal 7's opening is inside to be equipped with joint groove 9 and has a plurality of U type spring leafs 10 through 9 joints of joint groove, the opening direction of U type spring leaf 10 is unanimous with lip seal 7's opening direction, lip seal 7's opening part bonding has seal membrane 11.

The structure shows that the porous noise reduction plate is welded and fixed on the inner wall of the fluid channel in the valve core in the vertical direction, the structural stability of the porous noise reduction plate is ensured, the problem of high noise in the valve body is effectively solved by utilizing the porous noise absorption principle, the sealing property in the valve body is effectively improved by arranging the lip-shaped sealing ring, the structural strength and the sealing property of the lip-shaped sealing ring are improved by the U-shaped spring piece, the U-shaped spring piece is an elastic metal part, the opening width of the U-shaped spring piece is gradually increased along the opening direction, the opening part at the outermost side of the U-shaped spring piece is in the shape of the barb, the opening width at the outermost side is slightly larger than that of the lip-shaped sealing ring, the U-shaped spring piece is clamped into the clamping groove, the U-shaped spring piece is pushed until the U-shaped spring piece is deformed, extruded and fixed in the clamping groove, the installation stability of the U-shaped spring piece is ensured, and the U-shaped spring piece is prevented from being separated from the lip-shaped sealing ring due to overlarge impact strength in use, the outer wall surface of the outer lip is an inwards concave arc-shaped surface, so that the space for elastic buffering of the lip-shaped sealing ring can be guaranteed when the outer lip is impacted by external force, the impact damage to the lip-shaped sealing ring is reduced, the service life of the lip-shaped sealing ring is prolonged, dust in the lip-shaped sealing ring after long-term use is avoided due to the design of the sealing film, cleanliness is kept, fluid in the valve body is prevented from being leaked into the lip-shaped sealing ring, the sealing performance is enhanced, and the service life of the U-shaped spring piece is prolonged.

As an alternative embodiment, the outer wall surface of the inner lip of the lip-shaped sealing ring 7 is fixedly connected with a sealing ring 5.

By the structure, the sealing ring improves multiple sealing performance of the lip-shaped sealing ring, enhances sealing protection, and has a sealing effect when the sealing performance of the lip-shaped sealing ring is reduced or fails, so that the replacement of the lip-shaped sealing ring is reduced, the sealing efficiency is improved, and the production cost is reduced.

As an optional embodiment, the left end and the right end of the valve body 1 are respectively provided with a water inlet pipe 12 and a water outlet pipe 13, and the water inlet pipe 12 and the water outlet pipe 13 are in threaded connection with the valve body 1.

By the structure, the water inlet pipeline, the water outlet pipeline and the valve body are in threaded connection with good sealing performance, the positioning accuracy of the valve core is improved, the valve core is convenient to disassemble, replace and install, and the installation efficiency is improved.

As an alternative embodiment, a fixing block is arranged at the joint of the porous noise reduction plate 4 and the inner wall of the fluid channel.

According to the structure, the fixing block improves the structural strength of the porous noise reduction plate, improves the impact resistance of the porous noise reduction plate to high-flow-rate fluid in a fluid channel, reduces the deformation of the porous noise reduction plate and reduces the production cost.

In an alternative embodiment, the sealing film 11 is made of rubber.

Can find out by above-mentioned structure, adopt the adhesion of rubber seal membrane at the opening part of lip seal circle, can take place elastic deformation along with lip seal circle when guaranteeing sealing performance, the practicality is strong.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sealed copper ball valve of making an uproar falls, includes valve body (1), case (2), valve rod (3), case (2) set up in valve body (1), the passageway has been seted up to valve body (1) upper end, the passageway is worn to be equipped with length and is extended to inside valve rod (3) of case (2), fluid passage, characterized by have been seted up in case (2): the noise reduction valve is characterized in that a plurality of porous noise reduction plates (4) which are arranged in parallel are fixedly connected to the inner wall of a fluid passage in the valve core (2), a plurality of noise reduction holes are formed in the porous noise reduction plates (4), the noise reduction holes between the adjacent porous noise reduction plates (4) are distributed in a staggered manner, a sealing groove (6) is formed in the valve rod, a lip-shaped sealing ring (7) which is in conflict with the inner wall of the passage is arranged in the sealing groove (6), the opening section of the lip-shaped sealing ring (7) is of an inverted U-shaped structure, the lip-shaped sealing ring (7) is divided into an outer lip and an inner lip, the outer wall surface of the outer lip is an inwards concave arc-shaped surface (8), a clamping groove (9) is formed in the opening of the lip-shaped sealing ring (7), a plurality of U-shaped spring pieces (10) are clamped through the clamping groove (9), and the opening direction of the U-shaped spring pieces (10) is consistent with the opening direction of the lip-shaped sealing ring (7), and a sealing film (11) is adhered to the opening of the lip-shaped sealing ring (7).

2. A noise reducing sealed copper ball valve as claimed in claim 1, wherein: and the outer wall surface of the inner lip of the lip-shaped sealing ring (7) is fixedly connected with a sealing ring (5).

3. A noise reducing sealed copper ball valve as claimed in claim 2, wherein: the water inlet valve is characterized in that the left end and the right end of the valve body (1) are respectively provided with a water inlet pipeline (12) and a water outlet pipeline (13), and the water inlet pipeline (12) and the water outlet pipeline (13) are in threaded connection with the valve body (1).

4. A noise reducing sealed copper ball valve according to claim 3, wherein: and a fixed block is arranged at the joint of the porous noise reduction plate (4) and the inner wall of the fluid channel.

5. The noise reducing sealed copper ball valve according to claim 4, wherein: the sealing film (11) is made of rubber.