CN208686674U - A kind of composite plate weld accumulator - Google Patents

Abstract

The utility model discloses a kind of composite plate weld accumulators, including valve body and through-hole, the middle inside upper and lower side of the valve body is provided with the first locknut, and first is mounted with gland on the left of locknut, support ring is inlaid on the left of the gland, and sealing ring is connected on the left of support ring, the inside left of the valve body is equipped with switch valve, and shell is fixed on the right side of valve body, the inner wall of the shell is provided with composite layer, and the inner right side of shell is mounted with capsule, the inside left of the shell is inlaid with inflation trimmer valve, and air valve stem is connected on the left of inflation trimmer valve, the left side upper and lower side of the shell is equipped with the second locknut, and upper cover is fixed on the right side of the upper end inner wall of shell.The composite plate weld accumulator is provided with the first locknut, is fixed between valve body and shell, and limit fixed function can be played to valve body, keeps the connection between valve body and shell more firm.

Description

A kind of composite plate weld accumulator

Technical field

The utility model relates to accumulator technical field, specially a kind of composite plate weld accumulator.

Background technique

Accumulator is one of hydropneumatic system energy savings device, it is in due course the energy in system Being changed into compression energy or position can store, and can be changed into hydraulic or air pressure when system needs, and by compression energy or position It is released Deng energy, mends feed system again, when system instantaneous pressure increases, the energy of this part is can be absorbed in it, is protected Card whole system pressure is normal, and there are two types of purposes for accumulator: the flow that load needs when low-speed motion is less than hydraulic pump flow, The extra flow of hydraulic pump is stored up into accumulator, and when loading demands flow is greater than hydraulic pump flow, liquid is released from accumulator, To mend the deficiency of hydraulic pump flow；When shutting down but still needing to maintain certain pressure, hydraulic pump can be stopped and be compensated by accumulator The leakage of system, to keep the pressure of system, accumulator can also be used to absorb to be produced in the pressure fluctuation or absorption system of hydraulic pump Raw hydraulic shock pressure.

Stainless steel accumulator in the market is since stainless hardness of steel is low, so being very restricted in pressure-bearing, price Valuableness, weight is big, steel alloy accumulator, and intensity is high, and pressure-bearing is big, but is only used for general no corrosive medium, to corruption Corrosion medium does not have resistance to corrosion, for this purpose, it is proposed that a kind of composite plate weld accumulator.

Utility model content

The purpose of this utility model is to provide a kind of composite plate weld accumulators, to solve to mention in above-mentioned background technique Stainless steel accumulator out is since stainless hardness of steel is low, so being very restricted in pressure-bearing, expensive, weight is big, Steel alloy accumulator, intensity is high, and pressure-bearing is big, but is only used for general no corrosive medium, does not have to corrosive media The problem of resistance to corrosion.

To achieve the above object, the utility model provides the following technical solutions: a kind of composite plate weld accumulator, including Valve body and through-hole, the middle inside upper and lower side of the valve body is provided with the first locknut, and is mounted with gland on the left of the first locknut, It is inlaid with support ring on the left of the gland, and is connected with sealing ring on the left of support ring, the inside left installation of the valve body There is switch valve, and be fixed with shell on the right side of valve body, the inner wall of the shell is provided with composite layer, and the inner right side peace of shell It is equipped with capsule, the inside left of the shell is inlaid with inflation trimmer valve, and inflates and be connected with air valve stem on the left of trimmer valve, institute The left side upper and lower side for stating shell is equipped with the second locknut, and is fixed with upper cover on the right side of the upper end inner wall of shell, the shell Upper end inner wall is internally provided with cylinder, and the upper end inner wall inside left of shell is mounted with lower head, the inner wall edge of the shell Lower end inner wall inside left embedded with liner, and shell is connected with weld seam, and the middle part upper and lower side of the valve body installs fluted, institute The positive two sides that through-hole is fixed on shell are stated, and through-hole is provided with saddle close to one end of casing centerline, the switch valve Left side is mounted with barrier plate.

Preferably, first locknut and the second locknut are in symmetrical structure about the center line of shell, and the first locknut is set It is placed between valve body and shell.

Preferably, gland structure annular in shape, and gland is set between the first locknut and shell.

Preferably, to be fixedly connected between the sealing ring and support ring, and sealing ring is embedded in inner walls and valve body Between.

Preferably, groove structure in a ring, and to be fixedly connected between groove and shell.

Preferably, to be fixedly connected between the saddle and through-hole, and to be fixedly connected between saddle and liner, and liner It is connected between saddle and shell.

Preferably, to be fixedly connected between the barrier plate and shell, and barrier plate is in mesh-like structure

Compared with prior art, the utility model has the beneficial effects that the composite plate weld accumulator is provided with first Locknut is fixed between valve body and shell, and limit fixed function can be played to valve body, makes connection between valve body and shell more Add firm, when preventing valve body by compression shock inside or outside accumulator, is split away off on shell, shell is using stainless Steel, liner use titanium, and antiseptic property is good, and 3-5mm is welded in built-up welding between shell and liner, and good welding performance can be born The operating pressure of 20MPA-50MPA, gland can cover between the first locknut and shell, can play stopping for protection valve inner Dynamic oil valve or other assemblies, prevent pressure from impacting to valve inner, valve body are caused to can not work normally, and sealing ring utilizes branch Carrier ring is supported its own, contradicts it between liner and valve body, can play cushioning buffer effect to the two, avoid Liner and valve body generate percussion, cause the stop oil valve of valve inner to damage, groove in a ring, can make the end of shell It is fastened on inside, the endurance of shell can be changed to stress surface by solder joint, forced area increases, and unit pressure is reduced, and guarantees The bonding strength of shell and valve body is that shell and valve body outer edge weld outflow space, it will be able to makes to be connected firmly between the two, Keep the accumulator service life long, good airproof performance, liner is fixed between saddle and inner walls, and through-hole and enclosure interior may be implemented It directly penetrates through, prevents liner from causing to stop to entering energy from through-hole, while enhancing the leakproofness of the accumulator, barrier plate energy Enough to be defined blocking to capsule, when preventing capsule from pushing to hydraulic oil, capsule expansion squeezes out hydraulic fluid port, avoids in switch valve Component capsule is caused to damage, and have mesh on barrier plate, the disengaging of hydraulic oil will not be caused to hinder, meanwhile, it can The hydraulic oil for the speed and pressure of the hydraulic oil reduced away, preventing hydraulic oil moment from going out out of chamber, and making away is protected It holds uniformly.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model shell mechanism schematic diagram.

In figure: 1, valve body；2, the first locknut；3, gland；4, support ring；5, sealing ring；6, switch valve；7, capsule；8, multiple Close layer；9, shell；10, trimmer valve is inflated；11, the second locknut；12, air valve stem；13, upper cover；14, cylinder；15, lower head； 16, liner；17, weld seam；18, groove；19, through-hole；20, saddle；21, barrier plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of composite plate weld accumulator, including valve Body 1, the first locknut 2, gland 3, support ring 4, sealing ring 5, switch valve 6, capsule 7, composite layer 8, shell 9, inflation trimmer valve 10, Second locknut 11, air valve stem 12, upper cover 13, cylinder 14, lower head 15, liner 16, weld seam 17, groove 18, through-hole 19 and support Platform 20, the middle inside upper and lower side of valve body 1 is provided with the first locknut 2, and the left side of the first locknut 2 is mounted with gland 3, the first lock Mother 2 and the second locknut 11 about shell 9 center line in symmetrical structure, and the first locknut 2 is set between valve body 1 and shell 9, First locknut 2 is fixed between valve body 1 and shell 9, can be played limit fixed function to valve body 1, be made between valve body 1 and shell 9 Connection it is more firm, when preventing valve body 1 by compression shock inside or outside accumulator, split away off, press on shell 9 The left side of lid 3 is inlaid with support ring 4, and the left side of support ring 4 is connected with sealing ring 5, the structure annular in shape of gland 3, and gland 3 is set It is placed between the first locknut 2 and shell 9, gland 3 can cover between the first locknut 2 and shell 9, can play protection valve body 1 Internal stop oil valve or other assemblies, prevents pressure to impacting inside valve body 1, valve body 1 is caused to can not work normally, close To be fixedly connected between seal ring 5 and support ring 4, and sealing ring 5 is embedded between 9 inner wall of shell and valve body 1, and sealing ring 5 utilizes Support ring 4 is supported its own, contradicts it between liner 16 and valve body 1, and damping, buffering work can be played to the two With avoiding liner 16 and valve body 1 from generating percussion, cause the stop oil valve inside valve body 1 to damage, the inside left of valve body 1 Switch valve 6 is installed, and the right side of valve body 1 is fixed with shell 9, the inner wall of shell 9 is provided with composite layer 8, and the inside of shell 9 Right side is mounted with capsule 7, and the inside left of shell 9 is inlaid with inflation trimmer valve 10, and the left side for inflating trimmer valve 10 is connected with Air valve stem 12, the left side upper and lower side of shell 9 is equipped with the second locknut 11, and is fixed with upper cover on the right side of the upper end inner wall of shell 9 13, the upper end inner wall of shell 9 is internally provided with cylinder 14, and the upper end inner wall inside left of shell 9 is mounted with lower head 15, shell The inner wall of body 9 is inlaid with liner 16, and the lower end inner wall inside left of shell 9 is connected with weld seam 17, the middle part upper and lower side of valve body 1 Install fluted 18, the structure in a ring of groove 18, and to be fixedly connected between groove 18 and shell 9, groove 18 in a ring, can be with So that the end of shell 9 is fastened on inside, the endurance of shell 9 can be changed to stress surface by solder joint, forced area increases, unit Pressure is reduced, and guarantees the bonding strength of shell 9 and valve body 1, is that shell 9 and 1 outer edge of valve body weld outflow space, it will be able to make It is connected firmly between the two, keeps the accumulator service life long, good airproof performance, through-hole 19 is fixed on the positive two sides of shell 9, and through-hole 19 are provided with saddle 20 close to one end of 9 center line of shell, to be fixedly connected between saddle 20 and through-hole 19, and saddle 20 with it is interior To be fixedly connected between lining 16, and liner 16 is connected between saddle 20 and shell 9, and liner 16 is fixed on saddle 20 and shell 9 Between inner wall, through-hole 19 and the directly perforation of the inside of shell 9 may be implemented, prevent liner 16 from causing to entering energy from through-hole 19 Stop, while enhancing the leakproofness of the accumulator, the left side of switch valve 6 is mounted with barrier plate 21, between barrier plate 21 and shell 9 To be fixedly connected, and barrier plate 21 is in mesh-like structure, and barrier plate 21 can be defined blocking to capsule 7, prevent capsule 7 right When hydraulic oil is pushed, the expansion of capsule 7 squeezes out hydraulic fluid port, avoids the component in switch valve 6 from causing to damage to capsule, and barrier plate There is mesh on 21, the disengaging of hydraulic oil will not be caused to hinder, meanwhile, it being capable of speed and pressure to the hydraulic oil reduced away Power prevents hydraulic oil moment from going out out of chamber, and the hydraulic oil made away keeps uniform.

Working principle: shell 9 is respectively provided to for this kind of composite plate weld accumulator two through-holes 19 first Two sides make through-hole 19 be connected with saddle 20, saddle 20 contradict on the liner 16 of 9 inner wall of shell, may be implemented through-hole 19 with The directly perforation of the inside of shell 9 prevents liner 16 from causing to stop to entering energy from through-hole 19, while enhancing the close of the accumulator Valve body 1 is placed into the through-hole 19 on 9 right side of shell by Feng Xingzai, and the end of shell 9 is made to be inserted into 1 grooves on two sides 18 of valve body It is interior, the endurance of shell 9 can be changed to stress surface by solder joint, forced area increases, and unit pressure is reduced, guarantee shell 9 with The bonding strength of valve body 1 is that shell 9 and 1 outer edge of valve body weld outflow space, it will be able to makes to be connected firmly between the two, it will 3 sets of gland on valve body 1,4 sets of support ring left sides in valve body 1, and by 5 sets of the sealing ring left sides in support ring 4 seal in this way Ring 5 is supported its own using support ring 4, contradicts it between liner 16 and valve body 1, can play damping to the two Buffer function avoids liner 16 and valve body 1 from generating percussion, causes the stop oil valve inside valve body 1 to damage, be installed Afterwards, 7 interior room of capsule is carried out being filled with nitrogen, the mistress of capsule 7 is filled with liquid, when the hydraulic oil (liquid) of high pressure is filled with by liquid pump When, it deforms, then gas volume reduces with pressure increase.Fluid storage is got up in this way.When hydraulic system needs pressure oil (liquid) supplement, and its pressure is lower than stored by accumulator when the pressure of hydraulic oil (liquid), then hydraulic oil (liquid) is in gas expansion pressure Push it is dynamic under, be discharged in hydraulic system through inlet valve, until pressure drop to it is equal with system pressure until, complete like this whole The use process of a composite plate weld accumulator.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of composite plate weld accumulator, including valve body (1) and through-hole (19), it is characterised in that: the valve body (1) it is interior Middle side part upper and lower side is provided with the first locknut (2), and gland (3) are mounted on the left of the first locknut (2), the gland (3) Left side is inlaid with support ring (4), and sealing ring (5) are connected on the left of support ring (4), the inside left peace of the valve body (1) Equipped with switch valve (6), and shell (9) being fixed on the right side of valve body (1), the inner wall of the shell (9) is provided with composite layer (8), And the inner right side of shell (9) is mounted with capsule (7), the inside left of the shell (9) is inlaid with inflation trimmer valve (10), and It is connected with air valve stem (12) on the left of inflation trimmer valve (10), the left side upper and lower side of the shell (9) is equipped with the second locknut (11), it and on the right side of the upper end inner wall of shell (9) is fixed with upper cover (13), the upper end inner wall of the shell (9) is internally provided with Cylinder (14), and the upper end inner wall inside left of shell (9) is mounted with lower head (15), the inner wall of the shell (9) is inlaid with Liner (16), and the lower end inner wall inside left of shell (9) is connected with weld seam (17), the middle part upper and lower side peace of the valve body (1) Equipped with groove (18), the through-hole (19) is fixed on the positive two sides of shell (9), and through-hole (19) is close to shell (9) center line One end be provided with saddle (20), be mounted with barrier plate (21) on the left of the switch valve (6).

2. a kind of composite plate weld accumulator according to claim 1, it is characterised in that: first locknut (2) with Second locknut (11) is in symmetrical structure about the center line of shell (9), and the first locknut (2) is set to valve body (1) and shell (9) Between.

3. a kind of composite plate weld accumulator according to claim 1, it is characterised in that: the gland (3) is annular in shape Structure, and gland (3) is set between the first locknut (2) and shell (9).

4. a kind of composite plate weld accumulator according to claim 1, it is characterised in that: the sealing ring (5) and branch To be fixedly connected between carrier ring (4), and sealing ring (5) is embedded between shell (9) inner wall and valve body (1).

5. a kind of composite plate weld accumulator according to claim 1, it is characterised in that: the groove (18) is in a ring Structure, and be to be fixedly connected between groove (18) and shell (9).

6. a kind of composite plate weld accumulator according to claim 1, it is characterised in that: the saddle (20) and through-hole (19) to be fixedly connected between, and to be fixedly connected between saddle (20) and liner (16), and liner (16) is connected to saddle (20) between shell (9).

7. a kind of composite plate weld accumulator according to claim 1, it is characterised in that: the barrier plate (21) and shell To be fixedly connected between body (9), and barrier plate (21) is in mesh-like structure.