CN211823286U

CN211823286U - Water tank pressure relief device of air source heat pump

Info

Publication number: CN211823286U
Application number: CN202020032925.5U
Authority: CN
Inventors: 王晓隆
Original assignee: Lanzhou Longzhijian Environmental Protection Technology Co Ltd
Current assignee: Lanzhou Longzhijian Environmental Protection Technology Co Ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-30
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses an air source heat pump's water tank pressure relief device, including box and water pipe, the water pipe is installed to box upper end screw thread, the welding of box upper end has buckle structure, and buckle structure welding has pressure relief device. The utility model discloses a gaseous promotion inserted block, make the inserted block drive the trachea and remove, make the trachea shift out from in the shell, gaseous passing through the trachea shifts out in the box simultaneously, be convenient for carry out the pressure release to the pressure in the box, make pressure release instruments such as relief valve need not use when the pressure release, practice thrift the manufacturing cost of box, simultaneously through separating nut and first gag lever post, take out the card lid from the cover shell in again, make pressure relief device and box separation, press the pull rod again, make the inserted block take out from the shell, change the second spring, the convenience of improving the device.

Description

Water tank pressure relief device of air source heat pump

Technical Field

The utility model relates to a pressure relief device technical field specifically is an air source heat pump's water tank pressure relief device.

Background

When filling liquid in the past water tank, liquid gets into in the water tank, because generally when all sealed in the water tank, make liquid rise, liquid can extrude gas, because gaseous unable the getting rid of, can lead to the box inflation, in order to avoid liquid to extrude gas, the box inflation that leads to, generally can install the relief valve on the box, through the relief valve, with unnecessary gas elimination, nevertheless because the cost of relief valve is higher, probably lead to water tank manufacturing cost to improve, unsuitable water tank volume production, consequently need a water tank pressure relief device of air source heat pump urgently to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air source heat pump's water tank pressure relief device to what put forward leads to the higher problem of water tank manufacturing cost through increasing the relief valve in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water tank pressure relief device of an air source heat pump comprises a box body and a water pipe, wherein the water pipe is installed at the upper end of the box body in a threaded mode, a buckle structure is welded at the upper end of the box body, and the pressure relief device is welded on the buckle structure; the pressure relief device comprises an insert block, an air pipe, a limiting ring, a second spring, a bolt, a second limiting rod, a pull rod, a third spring, a limiting groove and a shell, the upper end of the clamping cover is welded with a shell, the inner wall of the shell is welded with a limit ring, the inner wall of the shell is provided with a second spring, one end of the second spring is welded on the air pipe, the other end of the second spring is contacted with the bolt, the second spring is sleeved on the insert block, the inserting block is embedded in the shell, the air pipe is embedded in the inserting block, the limiting grooves are embedded in the bottom end of the inserting block, the limit groove is embedded with a bolt, the bottom end of the bolt is welded with pull rods, the pull rods are penetrated through by the second limit rod, the second limiting rod is welded on the air pipe, the surface of the second limiting rod is sleeved with a third spring, and one end of the third spring is welded with a pull rod, and the other end of the third spring is welded on the air pipe.

Preferably, buckle structure includes card lid, first spring, baffle, cover shell, nut and first gag lever post, the welding of box upper end has the cover shell, the inside baffle that is provided with of cover shell, the baffle upper end is provided with the card lid, card lid and baffle are all run through by first gag lever post, first gag lever post lower extreme surface all overlaps and is equipped with first spring, the nut is all installed to all threads in first gag lever post upper end, the welding of card lid upper end has the shell.

Preferably, the upper end of the shell is provided with a through hole, and the diameter of the inner wall of the through hole formed in the upper end of the shell is equal to the diameter of the surface of the insertion block.

Preferably, the middle part of the pull rod is provided with round holes, and the diameter of the inner wall of the round hole formed in the middle part of the pull rod is equal to the diameter of the surface of the second limiting rod.

Preferably, the periphery of the clamping cover is provided with L-shaped holes, and the diameter of the inner wall of each L-shaped hole formed in the periphery of the clamping cover is equal to the diameter of the surface of the first limiting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this water tank pressure relief device of air source heat pump is provided with pressure relief device, promotes the inserted block through gaseous, makes the inserted block drive the trachea and removes, makes the trachea shift out from the shell in, gaseous passing through the trachea shifts out in the box simultaneously, is convenient for carry out the pressure release to the pressure in the box for need not use pressure release tools such as relief valve when the pressure release, practice thrift the manufacturing cost of box.

2. This water tank pressure relief device of air source heat pump is provided with buckle structure, through separating nut and first gag lever post, takes out the card lid from the cover shell in again, makes pressure relief device and box separation, presses the pull rod again, makes the inserted block take out in the shell, changes the second spring for need not cut pressure relief device and box junction when changing the second spring, change the second spring again, improve device's convenience.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic top view of the card cover of the present invention.

In the figure: 1. a box body; 2. a water pipe; 3. a buckle structure; 31. a cover is clamped; 32. a first spring; 33. a baffle plate; 34. a housing; 35. a nut; 36. a first limit rod; 4. a pressure relief device; 41. inserting a block; 42. an air tube; 43. a limiting ring; 44. a second spring; 45. a bolt; 46. a second limiting rod; 47. a pull rod; 48. a third spring; 49. a limiting groove; 410. a housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment:

a water tank pressure relief device of an air source heat pump comprises a box body 1 and a water pipe 2, the water pipe 2 is installed at the upper end of the box body 1 through threads, a buckle structure 3 is welded at the upper end of the box body 1, the buckle structure 3 comprises a clamping cover 31, a first spring 32, a baffle 33, a casing 34, a nut 35 and a first limiting rod 36, the casing 34 is welded at the upper end of the box body 1, the baffle 33 is arranged inside the casing 34, the clamping cover 31 is arranged at the upper end of the baffle 33, the clamping cover 31 and the baffle 33 are both penetrated through by the first limiting rod 36, L-shaped holes are formed around the clamping cover 31, the diameter of the inner wall of the L-shaped hole formed around the clamping cover 31 is equal to the diameter of the surface of the first limiting rod 36, the L-shaped hole formed on the surface around the clamping cover 31 is clamped on the first limiting rod 36, the clamping cover 31 is pushed again, the first limiting rod 36 moves on the clamping cover 31, and the clamping, the surface of the lower end of the first limiting rod 36 is sleeved with a first spring 32, the upper end of the first limiting rod 36 is provided with a nut 35 in a threaded manner, and the upper end of the clamping cover 31 is welded with a shell 410.

The buckling structure 3 is welded with a pressure relief device 4, the pressure relief device 4 comprises an insertion block 41, an air pipe 42, a limiting ring 43, a second spring 44, a plug pin 45, a second limiting rod 46, a pull rod 47, a third spring 48, a limiting groove 49 and a shell 410, the upper end of the clamping cover 31 is welded with the shell 410, the inner wall of the shell 410 is welded with the limiting ring 43, the inner wall of the shell 410 is provided with the second spring 44, the upper end of the shell 410 is provided with a through hole, the diameter of the inner wall of the through hole formed in the upper end of the shell 410 is equal to the surface diameter of the insertion block 41, the insertion block 41 is avoided through the through hole formed in the upper end of the shell 410, gas can push the insertion block 41 to move, the insertion block 41 is moved out of the shell 410, one end of the second spring 44 is welded on the air pipe 42, the other end of the second spring 44 is contacted with the plug pin 45, the second spring 44 is sleeved on, insert 41 bottom of block all has embedded spacing groove 49, spacing groove 49 is embedded to have bolt 45, pull rod 47 has all been welded to bolt 45 bottom, pull rod 47 all runs through by second gag lever post 46, the round hole has all been seted up at pull rod 47 middle part, the round hole inner wall diameter that the pull rod 47 middle part was seted up equals with second gag lever post 46's surface diameter, when pulling pull rod 47 removes, the round hole that the pull rod 47 middle part was seted up removes on second gag lever post 46 surface, second gag lever post 46 welds on trachea 42, second gag lever post 46 surface all is equipped with third spring 48, third spring 48 one end welding has pull rod 47, third spring 48's the other end all welds on trachea 42.

The working principle is as follows: after liquid flows into the box body 1 from the water pipe 2, the liquid fills the box body 1, so that the liquid extrudes gas, when the pressure in the box body 1 reaches a certain value, the gas enters the gas pipe 42, the gas pushes the insert block 41 to ascend due to the blocking of the gas outlet hole of the gas pipe 42 by the shell 410, so that the gas outlet of the gas pipe 42 is moved out of the shell 410, in the moving process of the insert block 41, the insert block 41 drives the bolt 45 to move, the bolt 45 extrudes the second spring 44, so that the second spring 44 generates elastic deformation, when redundant gas in the box body 1 is exhausted, the gas does not push the insert block 41, at the moment, the elastic deformation of the second spring 44 recovers, so that the second spring 44 pushes the bolt 45 to move, the bolt 45 drives the insert block 41 to move, so that the gas outlet of the gas pipe 42 enters the shell 410, so that the gas outlet of the gas pipe 42 is closed, and the pressure.

When the second spring 44 needs to be replaced, the nut 35 is firstly screwed to enable the nut 35 to be in threaded fit with the first limiting rod 36, the nut 35 is separated from the first limiting rod 36, then the shell 410 is rotated, the shell 410 drives the card cover 31 to rotate, the first limiting rod 36 is enabled to move to the right angle of the L-shaped waist-shaped hole formed on the outer side of the card cover 31, when the outer shell 410 is pulled, the outer shell 410 drives the card cover 31 to move, so that the card cover 31 is taken out from the sleeve 34, when the housing 410 is taken out, the pull rod 47 is pulled, so that the pull rod 47 drives the bolt 45 to move, meanwhile, the pull rod 47 extrudes the third spring 48 to make the third spring 48 generate elastic deformation, the bolt 45 enters the limit groove 49 through the elastic deformation of the third spring 48, then the inserting block 41 is pulled to make the inserting block 41 move out of the shell 410, after the inserting block 41 is taken out, and then the second spring 44 is replaced, so that the damaged second spring 44 can be replaced conveniently.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an air source heat pump's water tank pressure relief device, includes box (1) and water pipe (2), its characterized in that are installed to box (1) upper end screw thread: box (1) upper end welding has buckle structure (3), and buckle structure (3) welding has pressure relief device (4), buckle structure (3) are including card lid (31), first spring (32), baffle (33), cover shell (34), nut (35) and first gag lever post (36), box (1) upper end welding has cover shell (34), inside baffle (33) that is provided with of cover shell (34), baffle (33) upper end is provided with card lid (31), card lid (31) and baffle (33) all are run through by first gag lever post (36), first gag lever post (36) lower extreme surface all overlaps and is equipped with first spring (32), nut (35) are all installed to all the screw threads in first gag lever post (36) upper end, pressure relief device (4) include inserted block (41), trachea (42), spacing ring (43), second spring (44), Bolt (45), second gag lever post (46), pull rod (47), third spring (48), spacing groove (49) and shell (410), shell (410) welding is in the upper end of card lid (31), shell (410) inner wall welding has spacing ring (43), shell (410) inner wall is provided with second spring (44), the one end welding of second spring (44) is on trachea (42), the other end and the bolt (45) contact of second spring (44), second spring (44) suit is on inserted block (41), and inserted block (41) embeds in shell (410), inserted block (41) is embedded to have trachea (42), inserted block (41) bottom all is embedded to have spacing groove (49), spacing groove (49) are embedded to have bolt (45), bolt (45) bottom all welds have pull rod (47), pull rod (47) all are run through by second gag lever post (46), the second limiting rod (46) is welded on the air pipe (42), the surface of the second limiting rod (46) is sleeved with a third spring (48), one end of the third spring (48) is welded with a pull rod (47), and the other end of the third spring (48) is welded on the air pipe (42).

2. The water tank pressure relief device of an air source heat pump as claimed in claim 1, wherein: the upper end of the shell (410) is provided with a through hole, and the diameter of the inner wall of the through hole formed in the upper end of the shell (410) is equal to the diameter of the surface of the inserting block (41).

3. The water tank pressure relief device of an air source heat pump as claimed in claim 1, wherein: round holes are formed in the middle of the pull rod (47), and the diameter of the inner wall of each round hole formed in the middle of the pull rod (47) is equal to the diameter of the surface of the second limiting rod (46).

4. The water tank pressure relief device of an air source heat pump as claimed in claim 1, wherein: l-shaped holes are formed in the periphery of the clamping cover (31), and the diameter of the inner wall of each L-shaped hole formed in the periphery of the clamping cover (31) is equal to the diameter of the surface of the first limiting rod (36).