CN204187837U

CN204187837U - Water tank

Info

Publication number: CN204187837U
Application number: CN201420536169.4U
Authority: CN
Inventors: 胡楚鑫
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2014-09-17
Filing date: 2014-09-17
Publication date: 2015-03-04
Anticipated expiration: 2024-09-17

Abstract

The utility model provides a water tank, include: box, anticorrosive piece, fixed axle and erection joint, anticorrosive piece sets up the first end of fixed axle, the fixed axle second end sets up in the erection joint, the fixed axle with the erection joint has elastic fit portion and rigid fit portion, connects the back, its axial displacement can be followed to the fixed axle, erection joint and box fixed connection. The utility model provides a water tank through the fixed axle with set up elastic fit portion and rigid fit portion between the erection joint, connect the back, its axial displacement can be followed to the fixed axle, plays the cushioning effect, decomposes partial gravity and impact force, prevents that the fixed axle from splitting in the transportation.

Description

Water tank

Technical Field

The utility model relates to a system hot water equipment field especially relates to a water tank.

Background

At present, system hot water equipment's steel heat-retaining water tank generally comes the anticorrosion through the mode that sets up the magnesium stick, current magnesium stick subassembly passes through the end fixing on the water tank box, structural system when the water tank requires that the magnesium stick subassembly is longer, can only vertical installation at the water tank, the water tank is placed for the level in the middle of the transportation, at this moment the dabber will receive the produced shearing force of magnesium stick subassembly self gravity, the magnesium stick subassembly receives because jolting of transportation and is far greater than the produced shearing force of self gravity and fracture easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water tank, the magnesium stick subassembly in this water tank realizes elastic fit with the water tank box, effectively prevents that the magnesium stick subassembly from receiving external force fracture in the transportation.

The utility model provides a water tank, include: box, anticorrosive piece, fixed axle and erection joint, anticorrosive piece sets up the first end of fixed axle, the fixed axle second end sets up in the erection joint, the fixed axle with the erection joint has elastic fit portion and rigid fit portion, connects the back, its axial displacement can be followed to the fixed axle, erection joint and box fixed connection.

Furthermore, a first limiting step and a second limiting step are sequentially formed in the mounting hole of the second end of the mounting joint from the end part, a first limiting part and a second limiting part which are respectively matched with the first limiting step and the second limiting step are arranged at the second end of the fixing shaft, and the elastic matching part is formed between the first limiting part and the second limiting part.

Furthermore, the fixed shaft is provided with a first position where the first limiting part is contacted with the first limiting step, and the anti-corrosion piece is abutted against the second end face of the mounting joint at the first position; the fixed shaft is provided with a second position where the second limiting part is in contact with the second limiting step, and the anti-corrosion piece is separated from the second end face of the mounting joint at the second position.

Further, a rigid matching part is formed between the first limiting step and the second end face of the mounting joint, and the rigid matching part is a unthreaded hole and a unthreaded rod respectively.

Further, the elastic matching part is a light hole and a spring or a light hole and an elastic rubber pad.

Furthermore, the second end of the fixing shaft is provided with a first matching pipe section and a second matching pipe section, the pipe diameter of the second matching pipe section is larger than that of the first matching pipe section, and the transition step between the first matching pipe section and the second matching pipe section forms the first limiting part.

Furthermore, an elastic sealing ring is arranged between the first limiting part and the first limiting step.

Furthermore, a threaded section is arranged on the first matching pipe section, a nut is arranged on the threaded section, and the nut forms the second limiting part.

Further, the fixed shaft comprises a shaft sleeve and a shaft center, the shaft center is arranged in the shaft sleeve, and the anti-corrosion piece is connected to the first end of the fixed shaft through threads.

Furthermore, the mounting joint is connected with the box body through threads, and a sealing ring is arranged on the matching end face of the mounting joint and the box body.

The utility model provides a water tank through the fixed axle with set up elastic fit portion and rigid fit portion between the erection joint, connect the back, its axial displacement can be followed to the fixed axle, plays the cushioning effect, decomposes partial gravity and impact force, prevents that the fixed axle from splitting in the transportation.

Drawings

FIG. 1 is a schematic view of a partial cross-section of an anti-corrosion assembly of an embodiment of a water tank of the present invention;

fig. 2 is a schematic partial cross-sectional view of an installation structure of an embodiment of the water tank of the present invention;

wherein,

10. installing a connector; 20. a fixed shaft; 21. an axis; 22 shaft sleeves; 23. a nut; 24. a spring; 30. an anticorrosive part; 41. a first sealing gasket; 42. a second sealing gasket; 50. a box body; 51. and (7) installing holes.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1 and 2, the utility model provides a water tank, include: the anti-corrosion device comprises a box body 50, an anti-corrosion part 30, a fixing shaft 20 and a mounting joint 10, wherein the anti-corrosion part 30 is arranged at a first end of the fixing shaft 20, a second end of the fixing shaft 20 is arranged in the mounting joint 10, the fixing shaft 20 and the mounting joint 10 are provided with an elastic matching part and a rigid matching part, after connection, the fixing shaft 20 can move along the axial direction of the fixing shaft 20, and the mounting joint 10 is fixedly connected with the box body 50. In this water tank, since the fixing shaft 20 and the installation joint 10 have an elastic fitting portion and a rigid fitting portion, after being coupled, the fixing shaft 20 can be displaced in its axial direction, thereby performing a buffering function, decomposing a part of gravity and impact force, and preventing the fixing shaft from being broken during transportation.

With continued reference to fig. 1, the fixed shaft 20 includes a spindle 21 and a shaft sleeve 22, the shaft sleeve 22 is provided with a through hole, the spindle 21 is inserted into the through hole and fixed by welding, a second end of the spindle 21 is flush with a second end of the shaft sleeve 22, and a first end of the spindle protrudes out of a first end of the shaft sleeve 22. The corrosion prevention member 30 is fitted over the protruding end of the spindle 21 and is threadedly coupled to the first end of the shaft sleeve 22. The corrosion-resistant part is a magnesium rod, and can be made of other corrosion-resistant materials.

The second end of the fixing shaft 20 is arranged in the mounting joint 10, the fixing shaft 20 and the mounting joint 10 are provided with an elastic matching part and a rigid matching part, a first limiting step and a second limiting step are sequentially formed in the mounting hole of the second end of the mounting joint from the end part, the second end of the fixing shaft 20 is provided with a first limiting part and a second limiting part which are matched with the first limiting step and the second limiting step respectively, and the elastic matching part is formed between the first limiting part and the second limiting part. Specifically, the second end of the fixing shaft 20 is provided with a first matching pipe section and a second matching pipe section in sequence from the end part, the pipe diameter of the second matching pipe section is larger than that of the first matching pipe section, and the first limiting part is formed by a transition step between the first matching pipe section and the second matching pipe section. One end of the first matching pipe section, which is close to the second end portion, is provided with a thread, a nut 23 is screwed on the thread, and the nut 23 forms a second limiting portion. The inside of the mounting joint 10 forms a first limit step and a second limit step through the change of the aperture, wherein the pipe diameter of the second limit step is smaller than that of the first limit step.

Wherein, the cover is equipped with spring 24 on the fixed axle 20, and spring 24 is compression spring, and spring 24 one end and nut 23 butt, the other end and the spacing step butt of second and B face, first spacing portion and the spacing step butt of second and C face, nut 23 and the first spacing step butt and A face. The spring 24 and the unthreaded hole between the first limit step and the second limit step form an elastic matching part of the mounting joint 10 and the fixed shaft 20, and the light pipe of the second matching pipe section of the fixed shaft 20 and the unthreaded hole between the second limit step and the second end face of the mounting joint 10 form a rigid matching part.

The stationary shaft 20 has a first position in a normal state and a second position in a compressed state. When the anti-corrosion piece 30 is at the first position, the spring 24 is in an original state and is not compressed, the nut 23 is separated from the first limiting step, the first limiting part is abutted to the surface C in the second limiting step, and the end part of the anti-corrosion piece 30 and the second end surface of the mounting connector 10 are abutted to the surface D. When the anti-corrosion piece 30 is at the second position, the spring 24 is compressed, the nut 23 and the first limiting step are abutted to the surface A, the first limiting part is separated from the second limiting step, and the end part of the anti-corrosion piece 30 is separated from the second end surface of the mounting connector 10.

When the water tank is horizontally arranged, because the magnesium rod and the mandrel are longer, the moment generated by gravity can be decomposed into a horizontal direction and a vertical direction, and the force in the horizontal direction generates a traction force on the second end of the fixing shaft. Through setting up elasticity cooperation portion and rigid fit portion, increased the support length of erection joint 10 to fixed axle 20, alleviated the shearing force that the mandrel received to a certain extent, spring 24 has reduced the distance that the mandrel level was moved when having alleviated horizontal traction force simultaneously, has reduced the distance that the focus deviates from the support section to the moment that gravity produced has been reduced, the corresponding shearing force that has reduced the mandrel and received. The risk that the central shaft is sheared during transportation is reduced.

Further, a second sealing gasket 42 is arranged on the first limiting part of the fixing shaft 20, the first limiting part is abutted to the second limiting step through the second sealing gasket 42, and the second sealing gasket 42 is a rubber elastic washer, so that impact force generated when the first limiting part is abutted to the second limiting step can be relieved.

Referring to fig. 2, the mounting joint 10 is fitted with the fixed shaft 20 and then passes through a mounting hole 51 of the box 50, threads are arranged on the periphery of the mounting joint 10, the mounting hole 51 is a threaded hole, and the mounting joint 10 is in threaded connection with the mounting hole 51.

Further, the first end of the mounting joint 10 has a flange abutting against the mounting hole 51, and the flange is provided with a groove in which the first seal gasket 41 is provided. The flange is matched with the end part of the mounting hole 51 through the first sealing gasket 41 to realize sealing.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A water tank, comprising: box, anticorrosive piece, fixed axle and erection joint, anticorrosive piece sets up the first end of fixed axle, the fixed axle second end sets up in the erection joint, the fixed axle with the erection joint has elastic fit portion and rigid fit portion, connects the back, its axial displacement can be followed to the fixed axle, erection joint and box fixed connection.

2. The water tank as claimed in claim 1, wherein a first limit step and a second limit step are sequentially formed in the mounting hole of the second end of the mounting joint from an end portion thereof, the second end of the fixing shaft is provided with a first limit portion and a second limit portion respectively engaged with the first limit step and the second limit step, and the elastic engagement portion is formed between the first limit portion and the second limit portion.

3. The water tank of claim 2, wherein the fixed shaft has a first position where the first limit portion contacts the first limit step, and in the first position, the corrosion prevention member abuts against the second end surface of the mounting joint; the fixed shaft is provided with a second position where the second limiting part is in contact with the second limiting step, and the anti-corrosion piece is separated from the second end face of the mounting joint at the second position.

4. The water tank of claim 2, wherein a rigid mating portion is formed between the first limit step and the second end surface of the mounting joint, and the rigid mating portions are a light hole and a light rod respectively.

5. The water tank as claimed in claim 2, wherein the elastic fitting part is a light hole and a spring or a light hole and an elastic rubber pad.

6. The water tank as claimed in claim 2, wherein the second end of the fixed shaft has a first fitting pipe section and a second fitting pipe section, the second fitting pipe section has a pipe diameter larger than that of the first fitting pipe section, and a transition step between the first fitting pipe section and the second fitting pipe section forms the first stopper.

7. The water tank as claimed in claim 6, wherein an elastic sealing ring is provided between the first stopper and the first stopper step.

8. The water tank as claimed in claim 6, wherein the first fitting pipe section is provided with a threaded section, and the threaded section is provided with a nut, and the nut forms the second limiting portion.

9. The water tank as claimed in claim 1, wherein the fixed shaft includes a sleeve and a hub disposed in the sleeve, and the corrosion preventing member is screw-coupled to the first end of the fixed shaft.

10. The water tank as claimed in any one of claims 1 to 9, wherein the mounting adapter is connected with the tank body by screw threads, and a sealing ring is arranged on the matching end surface of the mounting adapter and the tank body.