CN212155290U

CN212155290U - Energy accumulator leather bag and energy accumulator

Info

Publication number: CN212155290U
Application number: CN202020561125.2U
Authority: CN
Inventors: 丁志和
Original assignee: Ningbo Fenghua Sinoo Hydraulic Technology Co ltd
Current assignee: Ningbo Fenghua Sinoo Hydraulic Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-15
Anticipated expiration: 2030-04-15

Abstract

The utility model relates to a this energy storage ware leather bag, this energy storage ware leather bag are including the leather bag body that has the air cavity, and the perisporium part of leather bag body has can follow the radial inwards sunken or the elastic deformation portion that outwards resets of leather bag body, under compression state, elastic deformation portion inwards caves in and forms the concave surface that supplies the fluid holding wherein and be used for the pressurized. The utility model has the advantages that: above-mentioned elastic deformation portion inwards caves in the design when the pressurized, has changed traditional leather bag when the energy storage, from the upper and lower direction on the pressurized and make the middle part expand the energy storage mode that leans on shells inner wall outward to reduce and the shells inner wall within a definite time friction, thereby reduce the loss of energy storage in-process leather bag body, and then prolong the life of whole energy storage ware.

Description

Energy accumulator leather bag and energy accumulator

Technical Field

The utility model relates to an energy storage device field especially relates to an energy storage ware leather bag and energy storage ware.

Background

The energy accumulator is an energy storage device in a hydraulic pneumatic system, and has the function of converting energy in the system into compression energy or potential energy to be stored when the energy in the whole system is in an excess state; when the energy of the system is in a low state, the compression energy or potential energy is converted into the energy of hydraulic pressure or air pressure and the like to be released, and the energy is supplied to the system again. Moreover, when the energy in the system is increased in pressure instantaneously, the energy can absorb the energy to ensure that the pressure of the whole system is normal, so that the energy can be widely used in various fields as an auxiliary power source, a leakage compensator, a hydraulic shock absorber and other power forms.

The energy accumulator in the prior art comprises a plurality of types, wherein the air bag type energy accumulator has wider application, and compared with other energy accumulators, the energy accumulator has the greatest advantages that gas is completely separated from oil, the inertia of the air bag is small, the reaction is flexible, and impact pressure and pulsating pressure can be absorbed. Gasbag formula energy storage ware is when using, the gasbag can produce certain deformation because of ambient pressure, current gasbag material is the rubber material usually, receive the restriction of energy storage ware inner space, the deformation department of gasbag is concentrated in the position at its middle part usually, in long-time use, the deformation department of gasbag is except because the wearing and tearing that deformation itself produced, still can produce wearing and tearing with shells inner wall, other positions of relative gasbag, the loss of deformation department is faster, easy damage, thereby lead to deformation department to become energy storage ware life's short slab.

For this reason, chinese utility model patent with patent number CN201520250926.6 discloses "an air bag energy accumulator for hydraulic mechanism", this energy accumulator has increased one deck protection cushion on the lateral wall of casing, reduces the friction to aerifing the leather bag, increase of service life, though this kind of measure of increasing the protection cushion can reduce the wearing and tearing of energy accumulator deformation department to a certain extent, but obviously can't thoroughly change the loss problem that deformation department buckles and produces, consequently is not ideal to the change of service life.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is the current situation to prior art, and circumference shrink, the effectual and long service life's of energy storage ware leather bag of energy storage when providing an energy storage.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an energy storage ware that uses there is above-mentioned leather bag.

The utility model aims to solve the third technical problem to prior art's current situation, provide an easy to assemble and non-deformable's energy storage ware after the assembly.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: an energy accumulator leather bag comprises a leather bag body with an air cavity, wherein an elastic deformation part which can be inwards sunken or outwards reset along the radial direction of the leather bag body is locally arranged on the peripheral wall of the leather bag body, and in a pressed state, the elastic deformation part is inwards sunken to form a concave surface for accommodating fluid and being used for pressing.

Preferably, elastic deformation portion extends along leather bag body length direction and arranges, and the arrangement mode of elastic deformation portion like this for when the energy storage, fluid fills between two adjacent elastic deformation portions, not only increased the fluidic volume when the energy storage, can also reduce the contact between leather bag body and the casing, thereby take place the minimum that the loss that deforms reduces because of the energy storage with the leather bag body.

In order to ensure that the leather bag body is in contact with the inner wall of the shell as little as possible during energy storage, at least two elastic deformation parts are arranged at intervals along the circumferential direction of the leather bag body, and smooth transition is formed between every two adjacent deformation parts.

As preferred, elastic deformation portion has three, and according to actual production demand and casing size of a dimension, it is good to set up three elastic deformation portion on the single leather bag body.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: an energy accumulator comprises a shell, wherein a cavity for accommodating a leather bag body is formed in the shell in a hollow mode, and an opening for fluid to flow into the cavity is further formed in the bottom of the shell.

In order to ensure that the leather bag body is locally inwards sunken to form an elastic deformation part, at least two supporting parts used for supporting the outer wall of the leather bag body are arranged on the inner wall of the shell, and the elastic deformation part is correspondingly arranged between the two adjacent supporting parts.

Specifically, the supporting portion is a convex column which is arranged by the inner wall of the shell in an inward protruding manner.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: still including being used for the shutoff open-ended coupling assembling, coupling assembling is including the sealed disk seat and the sealed clamping ring that are the tube-shape basically, sealed disk seat have with the fluid passage that the opening is linked together, sealed clamping ring arranges sealed disk seat with between the leather bag body, the integral design of sealed clamping ring like this compares the sealed pad of metal clamping ring cooperation among the prior art, connects more firmly and difficult emergence deformation, has guaranteed sealed effect.

In order to further ensure that the sealing press ring is connected with the sealing valve seat, preferably, the sealing press ring comprises a first connecting part used for contacting with the leather bag and a second connecting part connected with the sealing valve seat, the first connecting part is of a flexible structure, and the first connecting part and the second connecting part are in press fit connection.

Further, the second connecting portion comprises two opposite sealing strips, and each sealing strip is an arc-shaped structure with an opening facing the axis of the sealing press ring.

Compared with the prior art, the utility model has the advantages of: the energy accumulator leather bag comprises a leather bag body with an air cavity, wherein the peripheral wall of the leather bag body is locally provided with an elastic deformation part which can be inwards sunken or outwards reset along the radial direction of the leather bag body, and the elastic deformation part is inwards sunken to form a concave surface for accommodating fluid and being used for compression in a compression state. Above-mentioned elastic deformation portion inwards caves in the design when the pressurized, has changed traditional leather bag when the energy storage, from the upper and lower direction on the pressurized and make the middle part expand the energy storage mode that leans on shells inner wall outward to reduce and the shells inner wall within a definite time friction, thereby reduce the loss of energy storage in-process leather bag body, and then prolong the life of whole energy storage ware.

Drawings

Fig. 1 is a schematic view of an overall structure of an energy accumulator according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic cross-sectional view of a housing in an embodiment of the present invention;

FIG. 4 is a schematic view of the bladder body in the embodiment of the present invention being engaged with the housing in a non-energy storage state;

FIG. 5 is a schematic view of the bladder body in the energy storage state in cooperation with the housing according to the embodiment of the present invention;

fig. 6 is the embodiment of the present invention provides an overall structure diagram of the sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to fig. 6, in this embodiment, the energy accumulator leather bag comprises a leather bag body 1 with an air cavity 1a, the leather bag body 1 is substantially an ellipsoid, the peripheral wall of the leather bag body 1 is locally provided with an elastic deformation portion 1b which can be inwards recessed or outwards reset along the radial direction of the leather bag body 1, and in a compressed state, the elastic deformation portion 1b is inwards recessed to form a concave surface for accommodating a fluid therein and for being compressed. Specifically, the elastic deformation parts 1b extend along the length direction of the leather bag body 1, and at least two elastic deformation parts 1b are arranged at intervals along the circumferential direction of the leather bag body 1, and smooth transition is formed between two adjacent deformation parts.

In the actual production process, the leather bag body 1 is usually made of rubber, and in order to meet the production requirements and meet the deformation rule of rubber, the elastic deformation part 1b is optimal in terms of three.

In this embodiment, the energy accumulator using the above-mentioned bladder comprises a housing 2 and a connecting assembly 3, wherein the housing 2 is hollow to form a cavity 2a for accommodating the bladder body 1 therein, and the bottom of the housing 2 is further provided with an opening 2b for allowing fluid to flow into the cavity 2 a. In order to ensure that the leather bag body is locally inwards recessed to form an elastic deformation part, at least two supporting parts 21 used for supporting the outer wall of the leather bag body 1 are arranged on the inner wall of the shell 2, the elastic deformation part 1b is correspondingly arranged between the two adjacent supporting parts 21, and the supporting parts 21 in the embodiment are convex columns 211 which are inwards convexly arranged on the inner wall of the shell 2.

In this embodiment, the connection assembly 3 is used to seal the opening 2b, the connection assembly 3 includes a substantially cylindrical sealing valve seat 31 and a sealing press ring 32, the sealing valve seat 31 has a fluid passage 311 communicated with the opening 2b, the sealing press ring 32 is disposed between the sealing valve seat 31 and the leather bag body 1, specifically, the sealing press ring 32 includes a first connection portion 321 for contacting with the leather bag body 1 and a second connection portion 322 connected with the sealing valve seat 31, the first connection portion 321 is a flexible structure, the first connection portion 321 and the second connection portion 322 are press-fit connected, wherein the second connection portion 322 includes two sealing strips disposed oppositely, each sealing strip is an arc structure with the opening 2b facing the axis of the sealing press ring 32, when being installed, the second connection portions 322 formed by the two sealing strips can be away from and folded towards the first connection portion 321 side, like this when being connected with sealed disk seat 31, need not anxious bore scheduling problem improper, compare with traditional closed cyclic annular gasket, two sealing strips needn't worry because the deformation that the rigid extrusion caused, have ensured sealed firm, simultaneously, the design of foretell first connecting portion 321 flexible construction thinks the cooperation with the design of turning over of two sealing strips for installation flexibility more is convenient, and the practicality is strong.

Claims

1. An energy accumulator bladder, comprising a bladder body (1) with an air cavity (1a), characterized in that: the leather bag comprises a leather bag body (1), and is characterized in that an elastic deformation part (1b) capable of inwards sinking or outwards resetting along the radial direction of the leather bag body (1) is arranged on the local peripheral wall of the leather bag body (1), and under the compression state, the elastic deformation part (1b) inwards sinks to form a concave surface for accommodating fluid and used for compression.

2. The accumulator bladder of claim 1, wherein: the elastic deformation part (1b) extends along the length direction of the leather bag body (1).

3. The accumulator bladder of claim 2, wherein: the elastic deformation parts (1b) are at least two and are arranged at intervals along the circumferential direction of the leather bag body (1), and smooth transition is formed between every two adjacent deformation parts.

4. The accumulator bladder of claim 2, wherein: the number of the elastic deformation parts (1b) is three.

5. An accumulator using a bladder according to any one of claims 1 to 4, comprising a housing (2), characterized in that: the leather bag is characterized in that the interior of the shell (2) is hollow to form a cavity (2a) for accommodating the leather bag body (1), and the bottom of the shell (2) is also provided with an opening (2b) for fluid to flow into the cavity (2 a).

6. The accumulator according to claim 5, characterized in that: the inner wall of the shell (2) is provided with at least two supporting parts (21) for supporting the outer wall of the leather bag body (1), and the elastic deformation part (1b) is correspondingly arranged between the two adjacent supporting parts (21).

7. The accumulator according to claim 6, characterized in that: the supporting part (21) is a convex column (211) which is arranged by the inner wall of the shell (2) in an inward convex mode.

8. The accumulator according to claim 5, characterized in that: the leather bag is characterized by further comprising a connecting assembly (3) used for blocking the opening (2b), wherein the connecting assembly (3) comprises a substantially cylindrical sealing valve seat (31) and a sealing press ring (32), the sealing valve seat (31) is provided with a fluid channel (311) communicated with the opening (2b), and the sealing press ring (32) is arranged between the sealing valve seat (31) and the leather bag body (1).

9. The accumulator according to claim 8, characterized in that: sealing clamping ring (32) including be used for with first connecting portion (321) that leather bag body (1) contacted and with second connecting portion (322) that sealed disk seat (31) are connected, first connecting portion (321) are flexible structure, first connecting portion (321) and second connecting portion (322) press-fit connection.

10. The accumulator according to claim 9, characterized in that: the second connecting portion (322) comprises two sealing strips which are oppositely arranged, and each sealing strip is of an arc-shaped structure with an opening (2b) facing to the axis of the sealing press ring (32).