CN218405650U

CN218405650U - Diaphragm type expansion tank

Info

Publication number: CN218405650U
Application number: CN202222287378.7U
Authority: CN
Inventors: 李鹏洲
Original assignee: Individual
Current assignee: Mulei Hesheng Rural Water Supply And Drainage Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-31
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a water supply equipment technical field just discloses a diaphragm type expansion tank, including the expansion tank upper part of the body, the top fixedly connected with inlet tube of the expansion tank upper part of the body, the outside fixedly connected with manometer of the expansion tank upper part of the body, the bottom swing joint of the expansion tank upper part of the body has the expansion tank lower part of the body, the outside fixedly connected with rubber sleeve of the expansion tank lower part of the body and expansion tank upper part of the body junction, the device is screwed up to the outside fixedly connected with staple bolt of rubber sleeve, the middle fixedly connected with breather valve of expansion tank lower part of the body bottom, the three bottom support of fixedly connected with all around of expansion tank lower part of the body bottom, the utility model discloses a rubber sleeve and staple bolt screw up the device and fix expansion tank upper part of the body and expansion tank, when needs clear up the maintenance to the expansion tank inside, the device is screwed up to detachable rubber sleeve and staple bolt, clears up the maintenance to its inside, and the person of facilitating the use is to the inside of the jar body is cleared up the maintenance to the installation is simple.

Description

Diaphragm type expansion tank

Technical Field

The utility model relates to a water supply equipment technical field, more specifically relate to a diaphragm type expansion tank.

Background

The expansion tank is widely applied to central air conditioners, boilers, water heaters and variable-frequency constant-pressure water supply equipment, is also called as an air pressure tank, is mainly used for absorbing the volume of a part of a working medium increased due to temperature change when the expansion tank is applied to a thermodynamic system, is mainly used for absorbing water hammer impact caused by opening and closing of a valve, a water pump and the like of the system and reducing electricity consumption when a small amount of water is supplemented at night to enable a main pump of the water supply system to be dormant, and the service life of the water pump is prolonged.

Because when the external pressurized water gets into the expansion tank, water can fully contact the inner wall of the tank body, because the tank body is made of metal, in the long-term use process, water can corrode the inner wall of the tank body, so that the water rusts, and the rusty water returns to the system again and then can influence the quality of water in the whole system, and the traditional tank body connection mode is adopted, so that the maintenance of the internal part of the tank body is not convenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a diaphragm type expansion tank to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a diaphragm type expansion tank, includes the expansion tank upper part of the body, the top fixedly connected with inlet tube of the expansion tank upper part of the body, the outside fixedly connected with manometer of the expansion tank upper part of the body, the bottom swing joint of the expansion tank upper part of the body has the expansion tank lower part of the body, the outside fixedly connected with rubber sleeve of the expansion tank lower part of the body and the expansion tank upper part of the body junction, the device is screwed up to the outside fixedly connected with staple bolt of rubber sleeve, the middle fixedly connected with breather valve of expansion tank lower part of the body bottom, the three bottom support of fixedly connected with all around of the expansion tank lower part of the body bottom.

Further, the staple bolt is screwed up the device and is screwed up the main part including the staple bolt, the staple bolt screws up the all fixedly connected with fixed blocks in the outside at main part both ends, two the inside of fixed block all is equipped with the through-hole, two there is the bolt to pass in the through-hole of fixed block, the one end fixedly connected with nut of bolt.

Further, the expansion tank upper body comprises an expansion tank upper body shell, a waterproof layer is fixedly connected inside the expansion tank upper body shell, and a ferrule is fixedly connected at the bottom of the expansion tank upper body shell.

Further, the expansion tank lower part of the body includes the expansion tank lower part of the body shell, the below of the expansion tank lower part of the body shell top is equipped with the notch.

Further, the vent valve comprises a vent valve main body, and a vent hole is formed in the top of the vent valve main body.

Further, the inlet tube includes the inlet tube main part, the bottom of inlet tube main part is equipped with the water inlet.

Further, the waterproof layer includes the inner wall waterproof layer, the bottom fixedly connected with rubber diaphragm of inner wall waterproof layer.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the waterproof layer, be favorable to the health of quality of water, the waterproof layer is isolated water contact metallic tank body for the metallic tank body is difficult by the corruption, thereby can not cause quality of water to become muddy, has also protected the metallic tank body, makes the life-span of the metallic tank body can prolong.

2. The utility model discloses a be equipped with lasso and notch, be favorable to the connection between the upper and lower jar of body, also made things convenient for user's installation to closely laminating between lasso and the notch also is favorable to the leakproofness of the jar body, and it is also comparatively simple when demolising the jar body.

3. The utility model discloses a be equipped with rubber sleeve and staple bolt tightening device, be favorable to the leakproofness between the jar body, further seal the jar body for the internal gas of jar can not reveal.

4. The utility model discloses a be equipped with the manometer, be favorable to observing the internal pressure condition of jar, can in time discover the unstable condition of jar internal pressure to overhaul, in time salvage water supply system, guarantee that water supply system can normally work.

Drawings

Fig. 1 is the overall structure schematic diagram of the diaphragm type expansion tank of the present invention.

Fig. 2 is the utility model discloses a staple bolt is screwed up device overall structure schematic diagram.

Fig. 3 is a schematic view of the sectional structure of the diaphragm type expansion tank of the present invention.

Fig. 4 is a schematic view of the overall structure of the ferrule and the notch of the present invention.

Fig. 5 is a schematic view of the whole waterproof layer structure of the present invention.

The reference signs are: 1. an expansion tank upper body; 101. an expansion tank upper shell; 102. a waterproof layer; 1021. an inner wall waterproof layer; 1022. a rubber diaphragm; 103. a ferrule; 2. the expansion tank lower body; 201. a lower body shell of the expansion tank; 202. a notch; 3. a bottom bracket; 4. a vent valve; 401. a vent valve body; 402. a vent; 5. a hoop tightening device; 501. the main body is screwed down by the hoop; 502. a bolt; 503. a fixed block; 504. a nut; 6. a rubber sleeve; 7. a pressure gauge; 8. a water inlet pipe; 801. a water inlet pipe main body; 802. a water inlet.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the drawings in the present invention, and the forms of the structures described in the following embodiments are merely examples, and the diaphragm type expansion tank according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-2, the utility model provides a diaphragm type expansion tank, including expansion tank upper part of the body 1, the top fixedly connected with inlet tube 8 of expansion tank upper part of the body 1, the outside fixedly connected with manometer 7 of expansion tank upper part of the body 1, the bottom swing joint of expansion tank upper part of the body 1 has the expansion tank lower part of the body 2, the outside fixedly connected with rubber sleeve 6 of expansion tank lower part of the body 2 and the junction of expansion tank upper part of the body 1, the outside fixedly connected with staple bolt tightening means 5 of rubber sleeve 6, the middle fixedly connected with breather valve 4 of expansion tank lower part of the body 2 bottom, three bottom support 3 of fixedly connected with all around of expansion tank lower part of the body 2 bottom, the tank body can be supported to bottom support 3, make the tank body can not direct contact ground, let the tank body can not cause the damage because of ponding on ground, rubber sleeve 6 can closely laminate in the external side of the tank, the leakproofness of the body has been increased, manometer 7 can the real-time pressure condition of the internal portion of reaction tank, the person of the body makes the judgement through manometer 7 to the internal condition of tank, can be in time, the expansion tank can be in timely overhaul, the expansion tank upper part of the body 1 internal, the body of the body is deposited to the body, deposit the lower part of the body, deposit gas in the expansion tank 2.

In a preferred embodiment, the hoop tightening device 5 comprises a hoop tightening main body 501, fixed blocks 503 are fixedly connected to the outer sides of two ends of the hoop tightening main body 501, through holes are formed in the two fixed blocks 503, bolts 502 penetrate through the through holes of the two fixed blocks 503, nuts 504 are fixedly connected to one ends of the bolts 502, a slotted hole is formed in one end of the hoop tightening main body 501, a metal sheet capable of being attached to the rubber sleeve 6 is fixedly connected to the other end of the hoop tightening main body, when the hoop tightening device 5 is tightened, the tank body damage caused by over tightening can be prevented, when the tank body is tightened to a certain degree, the top end of the metal sheet can abut against the top of the slotted hole, the tank body cannot be tightened again, and the tank body is protected from being damaged.

In a preferred embodiment, the expansion tank upper body 1 comprises an expansion tank upper body shell 101, a waterproof layer 102 is fixedly connected to the inside of the expansion tank upper body shell 101, and a collar 103 is fixedly connected to the bottom of the expansion tank upper body shell 101, and the waterproof layer 102 can block water from directly contacting the metal tank, so that the metal tank cannot corrode due to the fact that the metal tank is used for a long time, and water cannot be turbid due to the fact that the metal tank does not corrode due to the fact that the metal tank is used for a long time.

In a preferred embodiment, the expansion tank lower body 2 comprises an expansion tank lower body shell 201, a notch 202 is arranged below the top of the expansion tank lower body shell 201, and the ferrule 103 can be tightly attached to the notch 202, so that the sealing performance of the tank body is realized.

In a preferred embodiment, the vent valve 4 comprises a vent valve body 401, a vent 402 is arranged on the top of the vent valve body 401, gas can enter into and exit from the tank through the vent valve 4, and the amount of the gas can be strictly controlled to ensure the pressure value of the tank.

In a preferred embodiment, the water inlet pipe 8 comprises a water inlet pipe main body 801, the bottom of the water inlet pipe main body 801 is provided with a water inlet 802, and the water inlet pipe 8 is used for connecting with a water supply device.

In a preferred embodiment, the waterproof layer 102 includes an inner wall waterproof layer 1021, a rubber membrane 1022 is fixedly connected to the bottom of the inner wall waterproof layer 1021, the inner wall waterproof layer 1021 prevents water from directly contacting the metal tank, so that the metal tank does not rust due to long-time water contact, thereby causing water to become turbid, the rubber membrane 1022 isolates the expansion tank upper body 1 and the expansion tank lower body 2, and the rubber membrane 1022 also contracts and expands under different air pressures.

The utility model discloses a theory of operation:

before the membrane type expansion tank is used, the membrane type expansion tank is installed, three bottom supports 3 are fixed on the periphery of the bottom of an expansion tank lower body shell 201, a vent valve 4 is fixed in the middle of the bottom of an expansion tank lower body 2, an inner wall waterproof layer 1021 is fixedly connected to the inner side of an expansion tank upper body shell 101, a rubber membrane 1022 is fixed at the bottom of the inner wall waterproof layer 1021, a water inlet pipe 8 is fixedly connected to the middle of the top of an expansion tank upper body 1, a pressure gauge 7 is fixedly connected to the side of the expansion tank upper body 1, the expansion tank upper body 1 and the expansion tank lower body 2 are connected through a ferrule 103 and a notch 202, after the connection is completed, a rubber sleeve 6 is sleeved at a connecting port, a hoop tightening device 5 is further fixed to the connecting port, the tightness is tightened to a proper position through a bolt 502 and a nut 504, and the condition that air leakage cannot occur is ensured, then the tank body is inflated through the vent 402, after a certain volume pressure is filled, the inflation is stopped, the water inlet pipe 8 is connected to the water supply equipment, when water with pressure outside enters the expansion tank upper body 1, the gas in the expansion tank lower body 2 is compressed, the pressure in the tank is increased, the water inlet is stopped until the gas pressure in the two tanks is consistent with the water pressure, when the water loss pressure is reduced, the gas pressure in the expansion tank is larger than the water pressure, at the moment, the gas is expanded to extrude and supplement the water in the tank body to the system, the water discharge is stopped until the gas pressure is consistent with the water pressure again, when the internal part of the tank body needs to be checked or replaced, the water inlet pipe 8 can be disconnected from the water supply equipment, then the vent valve 4 is opened to discharge the gas, then the bolt 502 and the nut 504 are unscrewed, the hoop screwing device 5 is dismounted, and taking down the rubber sleeve 6, opening the expansion tank upper body 1 and the expansion tank lower body 2, and overhauling the interior of the tank body.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A diaphragm type expansion tank comprises an expansion tank upper body (1), and is characterized in that: the top fixedly connected with inlet tube (8) of expansion tank upper part of the body (1), outside fixedly connected with manometer (7) of expansion tank upper part of the body (1), the bottom swing joint of expansion tank upper part of the body (1) has the expansion tank lower part of the body (2), the outside fixedly connected with rubber sleeve (6) of the expansion tank lower part of the body (2) and expansion tank upper part of the body (1) junction, device (5) are screwed up to the outside fixedly connected with staple bolt of rubber sleeve (6), middle fixedly connected with breather valve (4) of expansion tank lower part of the body (2) bottom, three bottom support of fixedly connected with (3) all around of expansion tank lower part of the body (2) bottom.

2. A membrane expansion tank according to claim 1, wherein: staple bolt tightening device (5) are including staple bolt tightening main part (501), the staple bolt tightening main part (501) the outside at both ends all fixedly connected with fixed block (503), two the inside of fixed block (503) all is equipped with the through-hole, two there is bolt (502) to pass in the through-hole of fixed block (503), one end fixedly connected with nut (504) of bolt (502).

3. A diaphragm expansion tank according to claim 1, wherein: the expansion tank upper body (1) comprises an expansion tank upper body shell (101), a waterproof layer (102) is fixedly connected inside the expansion tank upper body shell (101), and a ferrule (103) is fixedly connected to the bottom of the expansion tank upper body shell (101).

4. A diaphragm expansion tank according to claim 1, wherein: the expansion tank lower part of the body (2) includes expansion tank lower part of the body shell (201), the below at expansion tank lower part of the body shell (201) top is equipped with notch (202).

5. A diaphragm expansion tank according to claim 1, wherein: the vent valve (4) comprises a vent valve main body (401), and a vent hole (402) is formed in the top of the vent valve main body (401).

6. A diaphragm expansion tank according to claim 1, wherein: the inlet tube (8) includes inlet tube main part (801), the bottom of inlet tube main part (801) is equipped with water inlet (802).

7. A membrane expansion tank according to claim 3, wherein: the waterproof layer (102) comprises an inner wall waterproof layer (1021), and a rubber diaphragm (1022) is fixedly connected to the bottom of the inner wall waterproof layer (1021).