CN219491163U - Pressure stabilizing diaphragm air pressure tank - Google Patents

Abstract

The utility model relates to a pressure stabilizing diaphragm air pressure tank which comprises a tank body, wherein an inlet is formed in the far end of the tank body, an outlet is formed in the near end of the tank body, a rubber diaphragm is fixedly arranged between the inlet and the outlet, the tank body is divided into a liquid chamber and an air chamber outside the liquid chamber by the rubber diaphragm, supporting mechanisms are arranged on two sides of the rubber diaphragm in the tank body, each supporting mechanism comprises an arc-shaped plate, a connecting rod and a connecting block, the connecting rod is connected to the outer side of the arc-shaped plate, a pressing plate is further arranged on the connecting rod, the pressing plate is in sliding connection with the connecting block through a sliding component, a spring is further arranged in the sliding component, and the rubber diaphragm is pressed and expanded to push the arc-shaped plate and the connecting rod to move outwards so that the pressing plate presses the spring to realize pressure stabilizing of the liquid chamber.

Description

Pressure stabilizing diaphragm air pressure tank

Technical Field

The utility model relates to the technical field of air pressure tanks, in particular to a pressure stabilizing diaphragm air pressure tank.

Background

The diaphragm air pressure tank is one kind of air bag type expansion tank and is used widely in fire water supplying system, central air conditioner, etc. When the system starts, the water pump pressurizes the pipe network and the air pressure tank, the air bag expands, the air pressure rises, and when the set pressure is reached, the water pump stops pressurizing the pipe network and the air pressure tank; when the pressure reaches the set lower limit of starting the pump, the water pump starts to operate, which is a working period.

The diaphragm air pressure tank in the prior art mainly stores energy and discharges energy, and generally adopts a fixed support mode for the diaphragm, for example, chinese application novel patent with the document number of CN205530473U discloses a vertical diaphragm air pressure tank which consists of a steel shell and a high-elasticity natural rubber air bag, wherein the steel shell consists of a support, a flange cover, a fastening bolt, a flange, a base plate, a cylinder body, an air bag, a 90-degree loose joint, a ball valve, a pressure gauge, a sealing head, a bolt, a flange, a nut, a rubber gasket, a lifting lug, a nameplate frame, an air inlet valve joint, an air inlet valve, a protective sleeve, a water inlet flange, a water inlet outlet connecting pipe and a water inlet outlet bent pipe. According to the technical scheme, when external water is injected into the rubber diaphragm through the pipeline, the rubber diaphragm extrudes the annular base plate, and when the water pressure suddenly increases, the part of the rubber diaphragm, which is not blocked by the annular base plate, is easy to rapidly expand, so that the rubber diaphragm is easy to rupture.

Therefore, a diaphragm air pressure tank with good pressure stabilizing performance needs to be designed.

Disclosure of Invention

In view of the foregoing shortcomings of the prior art, it is an object of the present utility model to provide a pressure stabilizing diaphragm air pressure tank that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a steady voltage diaphragm pneumatic tank, steady voltage diaphragm pneumatic tank includes the jar body, the import is seted up to jar body distal end, the export is seted up to jar body proximal end, fixedly be provided with rubber diaphragm between import and the export, rubber diaphragm separates the jar internal air chamber in liquid room and the liquid room outside, be located the rubber diaphragm both sides in the jar body and be provided with supporting mechanism, supporting mechanism includes the arc, connects connecting rod and the connecting block in the arc outside, still be provided with the clamp plate on the connecting rod, through sliding component sliding connection between clamp plate and the connecting block, still be provided with the spring in the sliding component, rubber diaphragm compression inflation promotes arc and connecting rod outside remove, make the clamp plate extrusion the spring to realize the liquid room steady voltage.

Further, the sliding assembly comprises a first sliding block arranged on the inner side of the connecting block and a second sliding block arranged on the outer side of the pressing plate, and the second sliding block slides on the inner side of the first sliding block.

Further, the first sliding block and the second sliding block are arc-shaped.

Further, an anti-slip pad is arranged between the first sliding block and the second sliding block

Further, the outer side of the pressing plate is provided with a first spring cover, the inner side of the connecting block is provided with a second spring cover, and a spring is contained between the first spring cover and the second spring cover.

Further, the inlet distal end and the outlet proximal end are provided with flange surfaces which are matched with the flange cover for fixing the rubber diaphragm.

Further, the proximal end of the tank body is provided with a lower sealing head, and the distal end of the tank body is provided with an upper sealing head.

Further, the distal end of the upper end enclosure is provided with a lifting lug, and the distal end of the upper end enclosure is provided with a pressure gauge hole.

Further, at least three supporting feet are arranged at the proximal end of the lower seal head.

Further, an air inlet is formed in the side face of the tank body.

Compared with the prior art, the utility model has the following beneficial technical effects:

when the pressure stabilizing diaphragm air pressure tank is used for injecting water to the rubber diaphragm through the external pipeline, the outer surface of the rubber diaphragm is propped against the arc plate and pushes the arc plate and the connecting rod to move outwards, the pressing plate on the connecting rod presses the spring outwards, and the pressure suddenly increased by the water hammer is absorbed through the elasticity of the spring during energy storage, so that the pressure stabilizing of the liquid chamber is realized.

And (II) further, an anti-slip pad is arranged between the first sliding block and the second sliding block, and the pressure of sudden increase brought by a water hammer is absorbed through the friction force increased by the anti-slip pad, so that the pressure stabilizing effect is further improved.

Drawings

Fig. 1 shows a schematic structural diagram of a pressure stabilizing diaphragm air pressure tank according to an embodiment of the present utility model.

Fig. 2 shows a schematic structural diagram of a supporting mechanism in a pressure stabilizing diaphragm air pressure tank according to an embodiment of the utility model.

The reference numerals in the drawings:

1. a tank body; 11. an upper end enclosure; 111. an inlet; 112. a flange surface; 113. a flange cover; 12. a lower end enclosure; 121. an outlet; 13. supporting feet; 14. lifting lugs; 15. a pressure gauge hole; 16. an air inlet hole; 2. a rubber diaphragm; 3. a support mechanism; 31. an arc-shaped plate; 32. a connecting rod; 33. a pressing plate; 331. a first spring cover; 332. a second slider; 34. a connecting block; 341. a second spring cover; 342. a first slider; 343. an anti-slip pad; 35. and (3) a spring.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or essential characteristics thereof.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to more clearly describe the structure of the pressure stabilizing diaphragm air pressure tank, the present utility model defines terms of "distal end", "proximal end", "outer side" and "inner side", specifically, "distal end" means an end far away from the ground, "proximal end" means an end close to the ground, "outer side" means an end far away from the axis of the tank body 1, "inner side" means an end close to the axis of the tank body 1, taking fig. 1 as an example, the lower end of the tank body 1 is the proximal end in fig. 1, the upper end of the tank body 1 is the distal end in fig. 1, the left end of the right connecting rod 32 is the inner side in fig. 1, and the right end of the right connecting rod 32 is the outer side in fig. 1.

Example 1

Please refer to fig. 1 and 2, a steady voltage diaphragm pneumatic tank, steady voltage diaphragm pneumatic tank includes a tank body 1, import 111 is seted up to the distal end of tank body 1, export 121 is seted up to the proximal end of tank body 1, fixedly provided with rubber diaphragm 2 between import 111 and the export 121, rubber diaphragm 2 separates into liquid room and the air chamber outside liquid room in with tank body 1, be provided with supporting mechanism 3 in the tank body 1 in rubber diaphragm 2 both sides, supporting mechanism 3 includes arc 31, link 32 and connecting block 34 of connection in the arc 31 outside, still be provided with clamp plate 33 on the link 32, pass through sliding component sliding connection between clamp plate 33 and the connecting block 34, still be provided with spring 35 in the sliding component, rubber diaphragm 2 pressurized expansion promotes arc 31 and link 32 move outwards, make clamp plate 33 extrusion spring 35 to realize the liquid room steady voltage.

The specific structure of the supporting mechanism 3 is described below:

referring to fig. 1 and 2, further, the sliding assembly includes a first slider 342 disposed inside the connection block 34 and a second slider 332 disposed outside the pressing plate 33, and the second slider 332 slides inside the first slider 342. Specifically, referring to fig. 1 and 2, the first slider 342 and the second slider 332 are arc-shaped, and the first slider 342 and the second slider 332 are arc-shaped to expose the spring 35, so that the replacement is facilitated. In addition, a non-slip pad 343 is disposed between the first slider 342 and the second slider 332 for increasing friction force.

Referring to fig. 1 and 2, further, a first spring cover 331 is disposed on the outer side of the pressing plate 33, and a second spring cover 341 is disposed on the inner side of the connecting block 34. Specifically, a groove (not labeled in the drawing) is formed between the first spring cover 331 and the second spring cover 341 for accommodating the spring 35.

The specific structure of the tank 1 is described below:

referring to fig. 1, further, the distal end of the inlet 111 and the proximal end of the outlet 121 have flange surfaces 112, and the flange surfaces 112 and the flange cover 113 are connected by bolts to fix the rubber diaphragm 2.

Referring to fig. 1, further, the proximal end of the can 1 has a lower end cap 12, and the distal end of the can 1 has an upper end cap 11.

Referring to fig. 1, further, a lifting lug 14 is disposed at the distal end of the upper end enclosure 11, and the lifting lug 14 is used for lifting the tank 1 by a crane. The pressure gauge hole 15 is formed in the far end of the upper seal head 11, and the pressure gauge hole 15 is used for being connected with a pressure gauge.

Referring to fig. 1, further, at least three supporting feet 13 are disposed at the proximal end of the lower seal head 12.

Referring to fig. 1, further, an air inlet 16 is formed on the side of the tank 1 for inflating the air chamber.

The specific working procedure of the utility model is as follows:

when water is injected into the rubber diaphragm 2 through the external pipeline, the rubber diaphragm 2 rapidly expands due to water pressure, the outer surface of the rubber diaphragm 2 abuts against the arc-shaped plate 31 and pushes the arc-shaped plate 31 and the connecting rod 32 to move outwards, the pressing plate 33 on the connecting rod 32 presses the spring 35 outwards, and the sudden pressure increase caused by the water hammer is absorbed through the elasticity of the spring 35 and the friction force of the anti-slip pad 343 during energy storage, so that the pressure stabilization of the liquid chamber is realized.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a steady voltage diaphragm pneumatic tank which characterized in that: the pressure stabilizing diaphragm air pressure tank comprises a tank body, an inlet is formed in the far end of the tank body, an outlet is formed in the near end of the tank body, a rubber diaphragm is fixedly arranged between the inlet and the outlet, the tank body is divided into a liquid chamber and an air chamber outside the liquid chamber by the rubber diaphragm, supporting mechanisms are arranged on two sides of the rubber diaphragm in the tank body, each supporting mechanism comprises an arc-shaped plate, a connecting rod and a connecting block, the connecting rod is connected to the outer side of the arc-shaped plate, a pressing plate is further arranged on each connecting rod, the pressing plate is connected with the connecting block in a sliding mode through a sliding component in a sliding mode, a spring is further arranged in the sliding component, and the rubber diaphragm is pressed and expanded to push the arc-shaped plate and the connecting rod to move outwards, so that the pressing plate extrudes the spring to realize pressure stabilizing of the liquid chamber.

2. A pressure stabilizing diaphragm air pressure tank as claimed in claim 1 wherein: the sliding assembly comprises a first sliding block arranged on the inner side of the connecting block and a second sliding block arranged on the outer side of the pressing plate, and the second sliding block slides on the inner side of the first sliding block.

3. A pressure stabilizing diaphragm air pressure tank as claimed in claim 2 wherein: the first sliding block and the second sliding block are arc-shaped.

4. A pressure stabilizing diaphragm air pressure tank as claimed in claim 3 wherein: and an anti-slip pad is arranged between the first sliding block and the second sliding block.

5. A pressure stabilizing diaphragm air pressure tank as claimed in claim 2 wherein: the pressing plate is provided with a first spring cover on the outer side, a second spring cover is arranged on the inner side of the connecting block, and a spring is contained between the first spring cover and the second spring cover.

6. A pressure stabilizing diaphragm air pressure tank as claimed in claim 1 wherein: the far end of the inlet and the near end of the outlet are provided with flange surfaces, and the flange surfaces are matched with the flange cover to fix the rubber diaphragm.

7. A pressure stabilizing diaphragm air pressure tank as claimed in claim 1 wherein: the proximal end of the tank body is provided with a lower sealing head, and the distal end of the tank body is provided with an upper sealing head.

8. A pressure stabilizing diaphragm air pressure tank as claimed in claim 7 wherein: the distal end of the upper end socket is provided with a lifting lug, and the distal end of the upper end socket is provided with a pressure gauge hole.

9. A pressure stabilizing diaphragm air pressure tank as claimed in claim 8 wherein: at least three supporting feet are arranged at the proximal end of the lower seal head.

10. A pressure stabilizing diaphragm air pressure tank as claimed in claim 1 wherein: an air inlet is formed in the side face of the tank body.