CN211948696U

CN211948696U - Novel diaphragm type pressure tank

Info

Publication number: CN211948696U
Application number: CN201922247826.9U
Authority: CN
Inventors: 陈学荣
Original assignee: Zhejiang Shuoyang Machinery Co ltd
Current assignee: Zhejiang Shuoyang Machinery Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-11-17
Anticipated expiration: 2029-12-14

Abstract

The utility model relates to a novel diaphragm type overhead tank relates to overhead tank technical field, and it is including jar body and the end cover that the jar body is connected, the internal inner bag, spring and the pad of leading that are equipped with of jar, the inner bag include banding, first utricule and second utricule, the second utricule be located first utricule, the bottom of first utricule and second utricule all be connected with the banding, the second utricule include the utricule wall, the utricule wall be wavy, the jar internal support ring that is used for supporting the banding that is equipped with. The utility model discloses a wavy utricule wall dispersion pressure can effectually avoid consequently leading to the problem emergence of the inhomogeneous easy damage of utricule wall atress owing to have the dual pressure of water pressure and spring pressure.

Description

Novel diaphragm type pressure tank

Technical Field

The utility model belongs to the technical field of the overhead tank technique and specifically relates to a novel diaphragm type overhead tank is related to.

Background

The pressure tank is used in the closed water circulation system, plays a role in balancing water quantity and pressure, and avoids frequent opening of a safety valve and frequent water replenishing of an automatic water replenishing valve. The expansion tank has the function of containing expansion water and also has the function of a water supplementing tank, the expansion tank is filled with nitrogen, a large volume can be obtained to contain the expansion water quantity, and the high-pressure expansion tank and the low-pressure expansion tank can utilize the pressure per se and supplement water to a pressure stabilizing system in parallel.

Authorization notice number: CN205189061U discloses a diaphragm type pressure tank with spring rubber air bag, which comprises a housing, the bottom of the housing is provided with an opening, a spring is arranged in the housing, the top of the spring is provided with a guide pad, the air bag is arranged above the guide pad, and a cover is arranged above the air bag.

The above prior art solutions have the following drawbacks: the water pump uses the spring acting force to do piston motion on the guide pad to push the rubber air bag, thereby adjusting the water pressure, reasonably starting the pressure switch, effectively protecting the water pump motor, prolonging the service life of the water pump, and easily damaging the rubber air bag due to uneven stress after the rubber air bag is extruded by the double pressure of the water pressure and the spring pressure.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a novel diaphragm type overhead tank, its problem that can effectually avoid the rubber air bag to damage takes place.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a novel diaphragm type pressure tank, includes jar body and the end cover that the jar body is connected, the internal inner bag, spring and guide pad that are equipped with of jar, the inner bag include banding, first utricule and second utricule, the second utricule be located first utricule, the bottom of first utricule and second utricule all be connected with the banding, the second utricule include the utricule wall, the utricule wall be wavy, the jar internal support ring that is used for supporting the banding that is equipped with.

Through adopting above-mentioned technical scheme, when water does not get into the second bag when internal, first utricule and second utricule are in the compression state, and when water got into the second bag gradually internal, the utricule wall can be gradually extended along axial direction to extrude first utricule, thereby compression spring plays the effect of water storage. Because the utricule wall is wavy, consequently at the water storage with the in-process that drains, the deformation of axial direction can be given priority to the utricule wall, and wavy utricule wall also can effectual dispersed pressure, consequently can effectually avoid because the dual pressure that has water pressure and spring pressure and lead to the uneven problem of damaging easily of utricule wall atress to take place, simultaneously because first utricule is located the outside of second utricule, consequently when the second utricule exists the damage, water can reveal to first utricule internal, and when first utricule and second utricule received the extrusion, water in the first utricule can get into in the second utricule and discharge under the effect of pressure.

The present invention may be further configured in a preferred embodiment as: the first capsule body and the second capsule body are connected to form a plurality of containing cavities which are not communicated with each other.

Through adopting above-mentioned technical scheme, consequently when the second utricule leaks, can reveal to one or more and hold the intracavity, consequently can effectual control reveal the volume, avoid filling between first utricule and the second utricule and have a large amount of water and lead to the difficult problem emergence of deformation of second utricule.

The present invention may be further configured in a preferred embodiment as: the second capsule also comprises a capsule top plate, the capsule wall comprises an upper wall section and a middle wall section, the upper wall section is connected with the capsule top plate, and the thickness of the upper wall section is larger than that of the middle wall section.

Through adopting above-mentioned technical scheme, the second utricule is taking place the in-process of deformation, and the deformation volume of going up the wall section is great, and consequently the last wall section of thickening is not fragile, has prolonged the life of second utricule.

The present invention may be further configured in a preferred embodiment as: the banding on be equipped with the go-between, the go-between with well wall section be connected, the go-between including the connector that is connected and strengthening the ring body, the section of strengthening the ring body be the right triangle shape, one of which right-angle side is connected with the banding, another right-angle side is connected with the connector, first utricule is connected with the hypotenuse.

Through adopting above-mentioned technical scheme, consequently when the second utricule takes place deformation, can drive the connector and take place deformation, strengthen the deformation volume that the ring body can be effectual between reduction connector and the banding, avoid the junction of connector and banding to damage and the problem emergence of the water leakage that leads to, because first utricule is connected with the hypotenuse, first utricule is connected with the banding through strengthening the ring body promptly, consequently can effectually avoid the damaged problem of junction of first utricule and banding to take place.

The present invention may be further configured in a preferred embodiment as: the sealing ring is arranged on the sealing edge, the inner diameter of the sealing ring is smaller than the outer diameter of the end cover, and the sealing ring and the sealing edge form an installation cavity for installing the end cover.

Through adopting above-mentioned technical scheme, consequently the end cover is when installing in the installation cavity, and deformation can take place for the sealing ring contacts with the lateral wall of end cover, has consequently strengthened sealed effect, avoids water to take place from the problem of end cover and jar body junction infiltration.

The present invention may be further configured in a preferred embodiment as: the height of the sealing ring is smaller than the thickness of the end cover.

Through adopting above-mentioned technical scheme, when the fixed end cover, the one end of the jar body can take place crooked one and reach the purpose of fixed end cover, therefore the thickness that highly is less than the end cover of sealing ring for can effectually avoid jar body to take place the problem emergence of interfering with the sealing ring at crooked in-process.

The present invention may be further configured in a preferred embodiment as: the support ring is provided with an auxiliary ring, and the auxiliary ring is in contact with the sealing edge.

Through adopting above-mentioned technical scheme, consequently when the end cover installation was accomplished, can extrude the banding, the banding can extrude supplementary ring to make supplementary ring take place to deform, further strengthened sealed effect.

The present invention may be further configured in a preferred embodiment as: the well wall section form by connecting a plurality of deformation unit, deformation unit include first folded plate, second folded plate and linkage segment, the perpendicular cross-section of linkage segment be the arc form, the thickness of linkage segment reduce to upper and lower both ends by the centre gradually, the thickness at both ends is the same with first folded plate thickness about the linkage segment, first folded plate and second folded plate thickness the same, adjacent deformation unit is connected by the auxiliary segment, the structure of auxiliary segment the same with the structure of linkage segment, but the opening orientation is opposite.

Through adopting above-mentioned technical scheme, consequently when using for a long time, the range that the linkage segment is buckled is great, consequently leads to linkage segment intermediate position to damage easily, and consequently the thickness of linkage segment reduces to both ends from the centre gradually, can effectually avoid the problem of linkage segment intermediate position damage to take place.

To sum up, the utility model discloses a following at least one useful technological effect:

the wavy bag body wall can effectively disperse pressure to avoid the problem of damage of the inner bag, and meanwhile, when the second bag body is damaged, water can leak between the first bag body and the second bag body, so that the problem of water leaking into the tank body can be effectively avoided;

strengthen the existence of ring body, can effectually avoid first utricule and second utricule when taking place deformation, lead to taking place with the damaged problem of junction of banding.

Drawings

Fig. 1 is a schematic sectional structure diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

Reference numerals: 1. a tank body; 11. an end cap; 12. a guide pad; 13. a spring; 14. an auxiliary ring; 15. a support ring; 2. an inner bag; 21. a first bladder; 22. a second bladder; 221. an upper wall section; 222. a capsule body top plate; 23. a deformation unit; 231. a first folded plate; 232. a second folded plate; 233. a connecting section; 24. an auxiliary section; 31. a linker; 32. a reinforcing ring body; 4. sealing edges; 41. a seal ring; 42. and (7) installing a cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the novel diaphragm type pressure tank disclosed by the present invention, comprising a tank body 1 and an end cover 11 connected with the tank body 1, referring to fig. 3, an inner bag 2, a spring 13 and a guide pad 12 are arranged in the tank body 1, the inner bag 2 comprises a seal edge 4, a first bag body 21 and a second bag body 22, the second bag body 22 is located in the first bag body 21, the bottoms of the first bag body 21 and the second bag body 22 are both connected with the seal edge 4, the second bag body 22 comprises a bag body wall and a bag body top plate 222, the bag body wall is wavy, the bag body wall comprises an upper wall section 221 and a middle wall section, the upper wall section 221 is connected with the bag body top plate 222, the thickness of the upper wall section 221 is larger than that of the middle wall section, the middle wall section is formed by connecting a plurality of deformation units 23, the deformation units 23 comprise a first folded plate, a second folded plate 232 and a connecting section 233, the vertical cross section 231 of the connecting section 233 is arc, the thickness of the upper and lower ends of the connecting section 233 is the same as the thickness of the first flap 231, and the thickness of the first flap 231 is the same as the thickness of the second flap 232. Adjacent deformation unit 23 is connected by supplementary section 24, supplementary section 24's structure is the same with linkage segment 233's structure, but the opening orientation is opposite, first utricule 21 and second utricule 22 are connected and are formed a plurality of and hold the chamber and not communicate each other, a plurality of connecting point and a plurality of linkage segment 233 one-to-one of first utricule 21 and second utricule 22, consequently make the structural strength who has further strengthened supplementary section 24 department, avoid the problem of its damage to take place, interior bag 2 is the rubber material.

Referring to fig. 1, a support ring 15 for supporting the sealing edge 4 is arranged in the tank 1, an auxiliary ring 14 is arranged on the support ring 15, and the auxiliary ring 14 is in contact with the sealing edge 4. The auxiliary ring 14 is made of rubber, and the supporting ring 15 is formed by protruding the tank 1.

Referring to fig. 1, be equipped with the go-between on the banding 4, the go-between is connected with well wall section, and the go-between is including the connector 31 and the enhancement ring body 32 that are connected, and the section of strengthening the ring body 32 is the right triangle shape, and its right-angle side is connected with banding 4, and another right-angle side is connected with connector 31, and first utricule 21 is connected with the hypotenuse.

Referring to fig. 1 and 3, a sealing ring 41 is arranged on the sealing edge 4, the inner diameter of the sealing ring 41 is smaller than the outer diameter of the end cover 11, and the sealing ring 41 and the sealing edge 4 form an installation cavity 42 for installing the end cover 11. The height of the sealing ring 41 is smaller than the thickness of the end cover 11, and the connecting ring and the sealing ring 41 are both made of rubber.

The implementation principle of the embodiment is as follows: when using, water can get into in the second utricule 22 gradually, and compress spring 13 gradually, enlarge second utricule 22, consequently second utricule 22 is at the in-process that enlarges gradually, because the utricule wall is the wave form, consequently can effectual dispersion pressure, the effectual problem of avoiding leading to the easy damage of the uneven utricule wall atress owing to the dual pressure that exists water pressure and spring 13 pressure takes place, when second utricule 22 damages simultaneously, water can reveal to one or more and hold the intracavity, owing to hold the chamber and not communicate each other, consequently can effectual control leakage quantity, avoid filling between first utricule 21 and the second utricule 22 and leading to the difficult problem emergence of deformation of second utricule 22 with a large amount of water.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, 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 novel diaphragm type overhead tank, includes jar body (1) and end cover (11) that jar body (1) is connected, jar body (1) in be equipped with inner bag (2), spring (13) and lead pad (12), its characterized in that: inner bag (2) including banding (4), first utricule (21) and second utricule (22), second utricule (22) be located first utricule (21), the bottom of first utricule (21) and second utricule (22) all be connected with banding (4), second utricule (22) including the utricule wall, the utricule wall be the wave form, jar body (1) in be equipped with and be used for supporting support ring (15) of banding (4).

2. A novel diaphragm pressure tank as claimed in claim 1, wherein: the first capsule body (21) and the second capsule body (22) are connected to form a plurality of containing cavities which are not communicated with each other.

3. A novel diaphragm pressure tank as claimed in claim 1, wherein: the second capsule body (22) further comprises a capsule body top plate (222), the capsule body wall comprises an upper wall section (221) and a middle wall section, the upper wall section (221) is connected with the capsule body top plate (222), and the thickness of the upper wall section (221) is larger than that of the middle wall section.

4. A novel diaphragm pressure tank as claimed in claim 3, wherein: the utility model discloses a bag sealing device, including banding (4), be equipped with the go-between on banding (4), the go-between with well wall section be connected, the go-between including connector (31) and the enhancement ring body (32) that are connected, the section of strengthening ring body (32) be the right triangle shape, one of which right-angle side is connected with banding (4), another right-angle side is connected with connector (31), first utricule (21) is connected with the hypotenuse.

5. A novel diaphragm pressure tank as claimed in claim 1, wherein: banding (4) on be equipped with sealing ring (41), sealing ring (41) the internal diameter be less than the external diameter of end cover (11), sealing ring (41) with banding (4) form installation cavity (42) that are used for installing end cover (11).

6. A novel diaphragm-type pressure tank as claimed in claim 5, wherein: the height of the sealing ring (41) is smaller than the thickness of the end cover (11).

7. A novel diaphragm pressure tank as claimed in claim 1, wherein: the support ring (15) is provided with an auxiliary ring (14), and the auxiliary ring (14) is in contact with the sealing edge (4).

8. A novel diaphragm pressure tank as claimed in claim 3, wherein: the utility model discloses a wall section, including middle wall section, connecting, deformation unit (23) and connecting section, middle wall section form by connecting a plurality of deformation unit (23), deformation unit (23) include first folded plate (231), second folded plate (232) and linkage segment (233), the vertical cross-section of linkage segment (233) be the arc form, the thickness of linkage segment (233) reduce to upper and lower both ends by the centre gradually, the thickness at upper and lower both ends of linkage segment (233) the same with first folded plate (231) thickness, the thickness of first folded plate (231) and second folded plate (232) the same, adjacent deformation unit (23) are connected by auxiliary section (24), the structure of auxiliary section (24) the same with the structure of linkage segment (233), but the opening orientation is opposite.