CN210344685U

CN210344685U - Water hammer eliminator

Info

Publication number: CN210344685U
Application number: CN201921222937.8U
Authority: CN
Inventors: 武佳宁; 武英民
Original assignee: Beijing Dick Frontier Mechanical And Electrical Equipment Technology Development Co Ltd
Current assignee: Beijing Dick Frontier Mechanical And Electrical Equipment Technology Development Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-17
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a water hammer annihilator, including the buffer tube, the top detachable of buffer tube is connected with the lid, the center of lid is equipped with the screw hole, threaded hole is equipped with the adjusting bolt who runs through the screw hole, adjusting bolt's bottom detachable is connected with the clamp plate, be equipped with the piston in the buffer tube, be equipped with the spring between clamp plate and the piston, detachable is connected with the ring flange on the bottom outer wall of buffer tube, be equipped with the retaining ring on the inner wall of buffer tube bottom, the utility model discloses body detachable design, where damages and where to trade, practices thrift the cost, through adjusting bolt adjusting spring's elasticity, has solved the problem that the spring is unadjustable to adjust, need not use.

Description

Water hammer eliminator

Technical Field

The utility model relates to a water delivery engineering technical field, concretely relates to water hammer annihilator.

Background

During the process of water supply and liquid delivery, water hammer phenomenon often occurs, which is caused by the sudden rise of force in the pipeline due to the opening and closing of a valve or a pump, and is most common in high-rise buildings. This water hammer phenomenon is also called water hammer. Besides generating annoying noise and vibration, the severity of the noise and vibration affects the operation of the whole pipeline system and damages equipment such as pumps and check valves. The water hammer eliminator can effectively eliminate the water hammer possibly generated by various fluids in a transmission system and the irregular water shock wave oscillation generated by surge under the condition of not stopping the flow of the fluids, thereby achieving the purposes of eliminating destructive shock waves and protecting.

The water hammer eliminator has one sealed buffering pipe inside and one piston in the lower end, and when shock wave is introduced into the water hammer eliminator, the water hammer acts on the piston to move toward the buffering pipe.

The existing water hammer eliminator has the defects that the spring or gas is arranged inside the existing water hammer eliminator, but the spring has unadjustable elasticity, and the elasticity of the spring is weakened after a long time; gaseous parts such as air pump, manometer, relief valve that need, the structure is complicated to use loaded down with trivial details, still need time inflation from time to time, and present water hammer annihilator body is mostly the integral type design, if damage just scrapping need be renewed, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims at providing a water hammer eliminator, body detachable design, where damage and change, practice thrift the cost, through adjusting bolt adjusting spring's elasticity, solved the problem that the spring is not adjustable, need not use the gaseous water hammer eliminator that the structure is complicated.

The utility model aims at realizing through the following technical scheme: including the buffer tube, the top detachable of buffer tube is connected with the lid, the center of lid is equipped with the screw hole, threaded hole is equipped with the adjusting bolt who runs through the screw hole, adjusting bolt's bottom detachable is connected with the clamp plate, be equipped with the piston in the buffer tube, be equipped with the spring between clamp plate and the piston, detachable is connected with the ring flange on the bottom outer wall of buffer tube, be equipped with the retaining ring on the inner wall of buffer tube bottom.

In a preferred embodiment, outer threads are arranged on the outer walls of the upper end and the lower end of the buffer tube, first inner threads corresponding to the outer threads are arranged on the inner wall of the cover body, second inner threads corresponding to the outer threads are arranged on the inner wall of the flange plate, and the cover body and the flange plate are in threaded connection with the buffer tube.

In a preferred embodiment, a second threaded hole is formed in the center of the pressure plate, a screw corresponding to the second threaded hole is arranged at the bottom of the adjusting bolt, and the bottom of the screw penetrates through the second threaded hole and is fixed through a nut.

In a preferred embodiment, the diameter of the screw is smaller than the diameter of the adjusting bolt.

In a preferred embodiment, the upper end and the lower end of the spring are provided with hooks.

In a preferred embodiment, the bottom of the adjusting bolt and the top center of the piston are provided with hanging rings corresponding to the hanging hooks.

The utility model has the advantages that:

1. the body is detachably designed, so that the cost is saved when the body is damaged and replaced;

2. the elasticity of the spring is adjusted through the adjusting bolt, the problem that the spring is not adjustable is solved, and the gas water hammer eliminator with a complex structure is not needed.

Drawings

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

Fig. 1 is a schematic structural diagram of a water hammer arrestor according to an embodiment of the present invention.

In the figure:

1. a buffer tube; 2. a cover body; 3. adjusting the bolt; 4. pressing a plate; 5. a screw; 6. a nut; 7. an external thread; 8. a first internal thread; 9. a spring; 10. a piston; 11. hanging a ring; 12. hooking; 13. a retainer ring; 14. a flange plate; 15. a second internal thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The invention will be further described with reference to the drawings and specific examples.

As shown in figure 1, the water hammer eliminator of the embodiment of the utility model comprises a buffer tube 1, a cover body 2 is detachably connected on the top of the buffer tube 1, a threaded hole is arranged in the center of the cover body 2, an adjusting bolt 3 penetrating through the threaded hole is arranged in the threaded hole, a pressing plate 4 is detachably connected on the bottom of the adjusting bolt 3, the diameter of the pressing plate 4 is smaller than that of the buffer tube 1, a piston 10 is arranged in the buffer tube 1, the piston 10 can move up and down along the buffer tube 1, the piston 10 has a certain thickness, so that the linear motion can be kept not to be inclined during the movement, a spring 9 is arranged between the pressing plate 4 and the piston 10, the upper end and the lower end of the spring 9 are respectively contacted and not connected with the pressing plate 4 and the piston 10, the disassembly is convenient, the adjusting bolt 3 is used for adjusting the height of the, can prolong spring 9's life after adjusting like this, can also adjust spring 9's elasticity according to the water hammer size of difference, detachable is connected with ring flange 14 on buffer tube 1's the bottom outer wall, water hammer canceller generally installs in single-handle tap, preceding in the equipment of easy production water hammer such as ball valve and gate valve, it can be vertical, the level is or the installation of handstand, ring flange 14 is used for connecting, be equipped with retaining ring 13 on the inner wall of buffer tube 1 bottom, retaining ring 13 and buffer tube 1's bottom inner wall fixed connection or threaded connection, retaining ring 13 is used for blocking piston 10, avoid piston 10 to pop out outside buffer tube 1.

The cover body 2, the adjusting bolt 3, the pressing plate 4, the spring 9, the flange plate 14 and the piston 10 are detachably connected, so that one part is damaged and can be directly replaced, the whole device is not required to be replaced with a new one, and the cost is saved.

All be equipped with external screw thread 7 on the outer wall at buffer tube 1's upper and lower both ends, the inner wall of lid 2 is equipped with the first internal thread 8 corresponding with external screw thread 7, is equipped with the second internal thread 15 corresponding with external screw thread 7 on the inner wall of ring flange 14, and lid 2 and ring flange 14 all with buffer tube 1 threaded connection. The cover body 2 is used for sealing the top of the buffer tube 1, the lower part of the cover body 2 is a cover plate which is arranged at the top of a cylinder body corresponding to the buffer tube 1, the cover body 2 can be a first internal thread 8 on the inner wall of the cylinder body and extends from the top to the bottom of the cylinder body, and the cover body 2 is screwed to the cover plate to be contacted with the buffer tube 1 during installation; the inner wall of the upper part of the cylinder body is flush with the inner wall of the buffer tube 1, a first internal thread does not exist, the diameter of the lower part of the cylinder body is larger than that of the upper part of the cylinder body, the first internal thread 8 is arranged to be matched with the external thread at the top of the buffer tube 1, and the arrangement is carried out in order to prevent the cover body 2 from not being flush with the contact surface of the buffer tube 1 and influencing the up-and-down.

The center of clamp plate 4 is equipped with the second screw hole, and adjusting bolt 3's bottom is equipped with the screw rod 5 that corresponds with the second screw hole, and the second screw hole is run through and fixed through nut 6 in the bottom of screw rod 5. The pressing plate 4 is used for pressing the spring 9, and the diameter of the spring 9 is smaller than that of the pressing plate 4. The diameter of the screw 5 is smaller than the diameter of the adjusting bolt 3.

The upper and lower ends of the spring 9 are provided with hooks 12. The bottom of the adjusting bolt 3 and the top center of the piston 10 are provided with hanging rings 11 corresponding to the hanging hooks 12. The spring 9 has two mounting methods, one is not connected with the pressure plate 4 and the piston 10 as described above, and the other is hung with the hanging ring 11 through the hanging hooks 12 arranged at the upper end and the lower end of the spring 9, so that the spring 9 is convenient to disassemble and has certain connectivity with the pressure plate 4 and the piston 10.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A water hammer arrestor, comprising: including the buffer tube, the top detachable of buffer tube is connected with the lid, the center of lid is equipped with the screw hole, threaded hole is equipped with the adjusting bolt who runs through the screw hole, adjusting bolt's bottom detachable is connected with the clamp plate, be equipped with the piston in the buffer tube, be equipped with the spring between clamp plate and the piston, detachable is connected with the ring flange on the bottom outer wall of buffer tube, be equipped with the retaining ring on the inner wall of buffer tube bottom.

2. The water hammer arrestor of claim 1, wherein: the buffer tube is characterized in that outer threads are arranged on the outer walls of the upper end and the lower end of the buffer tube, first inner threads corresponding to the outer threads are arranged on the inner wall of the cover body, second inner threads corresponding to the outer threads are arranged on the inner wall of the flange plate, and the cover body and the flange plate are in threaded connection with the buffer tube.

3. The water hammer arrestor of claim 1, wherein: the center of clamp plate is equipped with the second screw hole, adjusting bolt's bottom is equipped with the screw rod that corresponds with the second screw hole, the bottom of screw rod runs through the second screw hole and fixes through the nut.

4. The water hammer arrestor of claim 3, wherein: the diameter of the screw is smaller than that of the adjusting bolt.

5. The water hammer arrestor of claim 1, wherein: and the upper end and the lower end of the spring are provided with hooks.

6. The water hammer arrestor of claim 5, wherein: and hanging rings corresponding to the hooks are arranged at the bottom of the adjusting bolt and the center of the top of the piston.