CN214534545U - Wear-resistant structure of butterfly valve - Google Patents

Abstract

The utility model discloses a wear-resistant structure of butterfly valve relates to butterfly valve technical field, including major structure, protective structure, additional strengthening, valve structure, insulation system and clamping structure, major structure includes valve body, connecting block and flange, and protective structure includes protective shroud, rubber circle and set screw, and additional strengthening includes the enhancement strip, and valve structure includes valve clack, axle sleeve and control shaft, and insulation system includes temperature sensor and heating ring, and clamping structure includes the fixed block. In the utility model, the rubber ring can be used for buffering contact when the valve clack is closed and connected with the guard ring, so as to avoid abrasion caused by long-term friction, the buffer spring provides damping buffer, the vibration caused by closing the valve clack is weakened, and the abrasion caused by impact force is further avoided; the reinforcing strips and the reinforcing rings are arranged to be connected with the circumferential side face of the valve body, so that the overall strength and stability of the butterfly valve are improved, and the pressure resistance and the service life of the butterfly valve are guaranteed.

Description

Wear-resistant structure of butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field, in particular to stand wear and tear structure of butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or the adjustment are realized

Butterfly valves, as a component for achieving on/off and flow control of pipeline systems, have been widely used in many fields such as petroleum, chemical engineering, metallurgy, and hydroelectric power. In the known butterfly valve technology, a sealing structure is often adopted as a sealing form, and the sealing material is rubber, polytetrafluoroethylene or the like. Due to the limitation of structural characteristics, the high-temperature-resistant, high-pressure-resistant, corrosion-resistant and abrasion-resistant industries are not suitable.

The butterfly valve in the prior art has the defects of general wear-resisting effect, low strength, general cold resistance and the like, and therefore a wear-resisting structure of the butterfly valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a wear resistant structure of butterfly valve can effectively solve among the background art general, the lower and general scheduling problem of cold resistance performance of the wear-resisting effect of butterfly valve.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a wear-resistant structure of a butterfly valve comprises a main body structure, a protective structure, a reinforcing structure, a valve structure, a heat-insulating structure and a clamping structure, wherein the main body structure comprises a valve body, connecting blocks and connecting flanges, the valve body is of a hollow structure, a plurality of side surfaces of the connecting blocks are respectively connected with the surfaces of two sides of the valve body, and a plurality of side surfaces of the connecting flanges are respectively connected with the side surfaces of the connecting blocks, two connecting blocks and two connecting flanges are respectively arranged, the connecting blocks are mainly connected with the connecting flanges, the connecting flanges are mainly connected with a pipeline, the protective structure comprises a protective ring, a rubber ring and fixing screws, the protective ring is arranged inside the valve body, a plurality of first through holes are arranged inside the rubber ring, a plurality of first rotating holes are arranged inside the protective ring, the positions of the first through holes are respectively matched with the first rotating holes, and the fixing screws sequentially penetrate through the first through holes and the first rotating holes, and is respectively matched with the first through hole and the first rotating hole in a rotating way, wherein four fixing screws are provided, the fixing screws mainly fix rubber rings, the reinforcing structure comprises reinforcing strips, a plurality of reinforcing strips are arranged on the peripheral side surface of the valve body, the valve structure comprises a valve clack, a shaft sleeve and a control shaft, the valve clack is arranged in the valve body, a plurality of shaft sleeves are symmetrically arranged on the right side surface of the valve clack, the peripheral side surface of the control shaft is connected with the peripheral side surfaces inside the shaft sleeves, two shaft sleeves are provided, the shaft sleeve mainly fixes the control shaft, the heat insulation structure comprises a temperature sensor and heating rings, the temperature sensor is arranged on the peripheral side surface of the valve body, a plurality of heating rings are symmetrically arranged on the peripheral side surface of the valve body, the clamping structure comprises fixing blocks, the lower surfaces of the fixing blocks are respectively welded with the peripheral side surfaces of the heating rings, and the number of the fixing blocks is four, the fixed block is mainly connected with a heating ring.

Preferably, the major structure still includes connecting bolt, and is a plurality of the inside a plurality of rotatory holes of second that all is provided with of flange, and is a plurality of connecting bolt is respectively with the rotatory hole normal running fit of a plurality of second, and wherein, connecting bolt has four, connecting bolt main fixed connection flange.

Preferably, protective structure still includes buffer spring, and is a plurality of buffer spring one end all is connected with rubber circle left side surface, the inside a plurality of second through-holes that are provided with of protective shroud, and is a plurality of buffer spring is connected with a plurality of second through-holes respectively, and wherein, buffer spring has four, and buffer spring mainly connects the protective shroud, and protective structure can cushion the contact through setting up the rubber circle and avoid long-term friction to cause wearing and tearing when the valve clack is closed and meets with the protective shroud, and buffer spring provides the shock attenuation buffering, has weakened the vibrations that the valve clack closed and caused, has further avoided the wearing and tearing that the impact force caused.

Preferably, additional strengthening still includes the beaded finish, and is a plurality of the beaded finish side surface is connected with a plurality of enhancement strip both ends respectively, and is a plurality of the beaded finish internal surface all is connected with valve body week side, and wherein, the beaded finish has four, and the valve body is mainly connected to the beaded finish, and the beaded finish has two, and the beaded finish mainly connects the beaded finish, and additional strengthening has promoted holistic intensity and steadiness of butterfly valve through setting up the beaded finish and being connected valve body week side with the beaded finish, has guaranteed the compressive capacity and the life of equipment.

Preferably, the valve structure still includes sealed piece, gear, valve rod and valve switch, sealed piece sets up inside the valve body, the inside third through hole that is provided with of sealed piece, control shaft and third through hole connection, the gear sets up in the control shaft upper surface, valve rod week side is provided with the helicla flute, the gear is connected with the helicla flute meshing, valve body week side is provided with the rotatory hole of third, the rotatory cooperation in valve rod and the rotatory hole of third, valve switch sets up in valve rod one end.

Preferably, insulation construction still includes the heater strip, the heater ring is hollow structure, and is a plurality of the heater strip symmetry sets up inside a plurality of heater rings, and wherein, the heater ring has two, and the heater ring is main fixed heater strip, and the heater strip has fourteen, and the heater strip mainly gives the valve body heating, and insulation construction passes through the operation of temperature sensor perception valve body temperature back control heater strip and heats the heat preservation to the valve body, has avoided the valve body inside flowing water under low temperature environment to freeze and has influenced the valve easily and open closed and the rubber circle receives the problem that low temperature influences elasticity and descends easily, has improved the cold resistance ability and the durability of equipment.

Preferably, clamping structure still includes centre gripping bolt and centre gripping nut, and is a plurality of inside a plurality of fourth rotatory holes that all are provided with of fixed block, and is a plurality of centre gripping bolt is respectively with a plurality of fourth rotatory hole normal running fit, and is a plurality of the centre gripping nut respectively with a plurality of centre gripping bolt normal running fit, wherein, centre gripping bolt and centre gripping nut all have two, and the fixed block is mainly connected to the centre gripping bolt, and the main supplementary fixed block of centre gripping nut is fixed.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the protective structure can buffer and contact when the valve clack is closed and connected with the protective ring by arranging the rubber ring to avoid abrasion caused by long-term friction, the buffer spring provides damping and buffering, the vibration caused by closing of the valve clack is weakened, and the abrasion caused by impact force is further avoided;

2. in the utility model, the reinforcing structure is connected with the circumferential side surface of the valve body through the reinforcing strip and the reinforcing ring, so that the overall strength and stability of the butterfly valve are improved, and the pressure resistance and the service life of the equipment are ensured;

3. the utility model discloses in, insulation construction controls the heater strip function to heat the valve body and keeps warm after through temperature sensor perception valve body temperature, has avoided the valve body inside flowing water under low temperature environment to freeze and has influenced the valve easily and open closed and rubber circle and receive the problem that low temperature influences elasticity and descend easily, has improved the cold resistance ability and the durability of equipment.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a wear-resistant structure of a butterfly valve according to the present invention;

fig. 2 is a schematic top view of the wear-resistant structure of the butterfly valve according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along line E-E of FIG. 2 according to the present invention;

fig. 5 is an assembly schematic diagram of the gear and the valve rod in the wear-resistant structure of the butterfly valve of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a body structure; 110. a valve body; 120. connecting blocks; 130. a connecting flange; 140. a connecting bolt; 200. a protective structure; 210. a retainer; 220. a rubber ring; 230. a set screw; 240. a buffer spring; 300. a reinforcing structure; 310. a reinforcing strip; 320. a reinforcing ring; 400. a valve structure; 410. a valve flap; 420. a shaft sleeve; 430. a control shaft; 440. a sealing block; 450. a gear; 460. a valve stem; 470. opening and closing a valve; 500. a heat preservation structure; 510. a temperature sensor; 520. a heating ring; 530. heating wires; 600. a clamping structure; 610. a fixed block; 620. clamping the bolt; 630. the nut is clamped.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to a wear-resistant structure of a butterfly valve, including a main body structure 100, a protective structure 200, a reinforcing structure 300, a valve structure 400, a thermal insulation structure 500, and a clamping structure 600, wherein the main body structure 100 includes a valve body 110, a connecting block 120, and a connecting flange 130, the valve body 110 is a hollow structure, side surfaces of the connecting block 120 are respectively connected to side surfaces of the valve body 110, side surfaces of the connecting flange 130 are respectively connected to side surfaces of the connecting block 120, two connecting blocks 120 and two connecting flanges 130 are provided, the connecting block 120 is mainly connected to the connecting flange 130, the connecting flange 130 is mainly connected to a pipeline, the protective structure 200 includes a protective ring 210, a rubber ring 220, and a fixing screw 230, the protective ring 210 is disposed inside the valve body 110, a plurality of first through holes are disposed inside the rubber ring 220, a plurality of first rotating holes are disposed inside the protective ring 210, positions of the first through holes are respectively adapted to the first rotating holes, the fixing screws 230 sequentially penetrate through the first through hole and the first rotating hole and are respectively and rotatably matched with the first through hole and the first rotating hole, wherein four fixing screws 230 are provided, the fixing screws 230 mainly fix the rubber ring 220, the reinforcing structure 300 comprises reinforcing strips 310, the reinforcing strips 310 are arranged on the circumferential side surface of the valve body 110, the valve structure 400 comprises a valve flap 410, shaft sleeves 420 and a control shaft 430, the valve flap 410 is arranged inside the valve body 110, the shaft sleeves 420 are symmetrically arranged on the right side surface of the valve flap 410, the circumferential side surface of the control shaft 430 is connected with the circumferential side surface inside the shaft sleeves 420, wherein two shaft sleeves 420 are provided, the shaft sleeves 420 mainly fix the control shaft 430, the heat preservation structure 500 comprises a temperature sensor 510 and heating rings 520, the temperature sensor 510 is arranged on the circumferential side surface of the valve body 110, the heating rings 520 are symmetrically arranged on the circumferential side surface of the valve body 110, the clamping structure 600 comprises fixing blocks 610, and the lower surfaces of the fixing blocks 610 are respectively welded with the circumferential side surfaces of the heating rings 520, the number of the fixing blocks 610 is four, and the fixing blocks 610 are mainly connected with the heating ring 520.

Further, the main body structure 100 further includes connecting bolts 140, a plurality of second rotating holes are disposed inside the plurality of connecting flanges 130, the plurality of connecting bolts 140 are respectively in rotating fit with the plurality of second rotating holes, wherein there are four connecting bolts 140, and the connecting bolts 140 mainly fix the connecting flanges 130.

Further, protective structure 200 still includes buffer spring 240, a plurality of buffer spring 240 one end all is connected with rubber circle 220 left side surface, the inside a plurality of second through-holes that is provided with of protective shroud 210, a plurality of buffer spring 240 respectively with a plurality of second through-hole connections, wherein, buffer spring 240 has four, buffer spring 240 mainly connects protective shroud 210, protective structure 200 can close and avoid long-term friction to cause wearing and tearing when meeting with protective shroud 210 at valve flap 410 through setting up rubber circle 220, buffer spring 240 provides the shock attenuation buffering, the vibrations that cause have weakened valve flap 410 and close, the wearing and tearing that the impact force caused have further been avoided.

Further, additional strengthening 300 still includes reinforced ring 320, a plurality of reinforced ring 320 side surfaces are connected with a plurality of enhancement strip 310 both ends respectively, a plurality of reinforced ring 320 internal surfaces all are connected with valve body 110 week side, wherein, there are four enhancement strips 310, the valve body 110 is mainly connected to enhancement strip 310, reinforced ring 320 has two, reinforced ring 320 mainly connects enhancement strip 310, additional strengthening 300 has promoted holistic intensity of butterfly valve and steadiness through setting up enhancement strip 310 and reinforced ring 320 connection valve body 110 week side, the compressive capacity and the life of equipment have been guaranteed.

Further, valve structure 400 still includes sealed piece 440, gear 450, valve rod 460 and valve switch 470, sealed piece 440 sets up inside valve body 110, the inside third through-hole that is provided with of sealed piece 440, control shaft 430 is connected with the third through-hole, gear 450 sets up in the control shaft 430 upper surface, valve rod 460 all sides is provided with the helicla flute, gear 450 is connected with the helicla flute meshing, valve body 110 all sides is provided with the third rotation hole, valve rod 460 and the rotatory cooperation in third rotation hole, valve switch 470 sets up in valve rod 460 one end.

Further, insulation construction 500 still includes heater strip 530, heater strip 520 is hollow structure, a plurality of heater strip 530 symmetries set up inside a plurality of heater strips 520, wherein, heater strip 520 has two, heater strip 530 is mainly fixed to heater strip 520, heater strip 530 has fourteen, heater strip 530 mainly gives valve body 110 heating, insulation construction 500 controls heater strip 530 operation to heat the heat preservation to valve body 110 through behind the temperature sensor 510 perception valve body 110 temperature, avoided valve body 110 inside flowing water under the low temperature environment to freeze and influence the valve easily and open closed and rubber ring 220 receives the easy problem that descends of low temperature influence elasticity, the cold resistance and the durability of equipment have been improved.

Further, clamping structure 600 still includes clamping bolt 620 and clamping nut 630, and a plurality of fourth rotation holes all are provided with to a plurality of fixed blocks 610 is inside, a plurality of clamping bolts 620 respectively with a plurality of fourth rotation hole normal running fit, a plurality of clamping nut 630 respectively with a plurality of clamping bolt 620 normal running fit, wherein, clamping bolt 620 and clamping nut 630 all have two, clamping bolt 620 mainly connects fixed block 610, clamping nut 630 mainly assists fixed block 610 to fix.

The working principle of the utility model is as follows;

when a person uses the butterfly valve, a pipeline is connected to two ends of a valve body 110 through a connecting flange 130, a rotary connecting bolt 140 is fixed, after two heating rings 520 close to each other wrap the valve body 110, a clamping bolt 620 penetrates through a fixing block 610 and is matched with a clamping nut 630 to complete installation and fixation of the heating rings 520, a reinforcing strip 310 and a reinforcing ring 320 ensure the strength of the valve body 110, when the butterfly valve is operated, a rotary valve switch 470 drives a valve rod 460 to rotate, a gear 450 and the valve rod 460 are meshed and then rotate, a control shaft 430 is driven, a valve flap 410 is adjusted to rotate and control circulation, when the valve flap 410 is closed, the valve flap 410 is firstly contacted with a rubber ring 220 on a retainer 210 to complete closing, the rubber ring 220 primarily buffers and reduces abrasion, a buffer spring 240 recovers to further buffer vibration impact force after elastic deformation to reduce abrasion caused by collision, a temperature sensor 510 senses that the temperature of the valve body 110 is too low and then controls the operation of the heating wire 530 to heat, heat is transferred from the heating ring 520 to the interior of the valve body 110 to cryogenically protect the butterfly valve. Wherein the temperature sensor 510 is D6T-1A-02.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a wear-resisting structure of butterfly valve, includes major structure (100), protective structure (200), additional strengthening (300), valve structure (400), insulation construction (500) and clamping structure (600), its characterized in that: the main body structure (100) comprises a valve body (110), a connecting block (120) and a connecting flange (130), the valve body (110) is of a hollow structure, the connecting block (120) side surfaces are respectively connected with the surfaces of the two sides of the valve body (110), the connecting flange (130) side surfaces are respectively connected with the side surfaces of the connecting blocks (120), the protection structure (200) comprises a protection ring (210), a rubber ring (220) and fixing screws (230), the protection ring (210) is arranged inside the valve body (110), a plurality of first through holes are arranged inside the rubber ring (220), a plurality of first rotating holes are arranged inside the protection ring (210), the positions of the first through holes are respectively matched with the first rotating holes, the fixing screws (230) sequentially penetrate through the first through holes and the first rotating holes and are respectively and rotatably matched with the first through holes and the first rotating holes, the reinforcing structure (300) comprises reinforcing strips (310), a plurality of reinforcing strips (310) are arranged on the peripheral side surface of the valve body (110), the valve structure (400) comprises a valve flap (410), a shaft sleeve (420) and a control shaft (430), the valve flap (410) is arranged inside the valve body (110), a plurality of shaft sleeves (420) are symmetrically arranged on the right side surface of the valve flap (410), the peripheral side surface of the control shaft (430) is connected with the internal peripheral side surfaces of the plurality of shaft sleeves (420), the heat insulation structure (500) comprises a temperature sensor (510) and a heating ring (520), the temperature sensor (510) is arranged on the peripheral side surface of the valve body (110), the heating rings (520) are symmetrically arranged on the peripheral side surface of the valve body (110), the clamping structure (600) comprises a fixing block (610), and the lower surface of the fixing block (610) is welded with the circumferential side surfaces of the heating rings (520) respectively.

2. A wear-resistant structure of a butterfly valve in accordance with claim 1, wherein: the main body structure (100) further comprises connecting bolts (140), a plurality of second rotating holes are formed in the connecting flanges (130), and the connecting bolts (140) are respectively in rotating fit with the second rotating holes.

3. A wear-resistant structure of a butterfly valve in accordance with claim 1, wherein: protective structure (200) still include buffer spring (240), and is a plurality of buffer spring (240) one end all is connected with rubber circle (220) left side surface, protective shroud (210) inside is provided with a plurality of second through-holes, and is a plurality of buffer spring (240) are connected with a plurality of second through-holes respectively.

4. A wear-resistant structure of a butterfly valve in accordance with claim 1, wherein: the reinforcing structure (300) further comprises a reinforcing ring (320), the side surface of the reinforcing ring (320) is connected with the two ends of the reinforcing strips (310) respectively, and the inner surface of the reinforcing ring (320) is connected with the side surface of the valve body (110).

5. A wear-resistant structure of a butterfly valve in accordance with claim 1, wherein: valve structure (400) still includes sealed piece (440), gear (450), valve rod (460) and valve switch (470), sealed piece (440) sets up inside valve body (110), sealed piece (440) inside is provided with the third through hole, control shaft (430) and third through hole are connected, gear (450) set up in control shaft (430) upper surface, valve rod (460) week side is provided with the helicla flute, gear (450) are connected with the helicla flute meshing, valve body (110) week side is provided with the third and rotates the hole, valve rod (460) and the rotatory cooperation in third rotation hole, valve switch (470) set up in valve rod (460) one end.

6. A wear-resistant structure of a butterfly valve in accordance with claim 1, wherein: insulation construction (500) still includes heater strip (530), heating ring (520) are hollow structure, and is a plurality of heater strip (530) symmetry sets up inside a plurality of heating rings (520).

7. A wear-resistant structure of a butterfly valve in accordance with claim 1, wherein: clamping structure (600) still includes centre gripping bolt (620) and centre gripping nut (630), and is a plurality of fixed block (610) is inside all to be provided with a plurality of fourth rotatory holes, and is a plurality of centre gripping bolt (620) respectively with a plurality of fourth rotatory hole normal running fit, it is a plurality of centre gripping nut (630) respectively with a plurality of centre gripping bolt (620) normal running fit.

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