Polygonal fastening spiral buckle connection flowmeter

Abstract

The utility model relates to a polygonal fastening spiral buckle connection flowmeter which aims to solve the problems that an inner support and an outer shell of an existing flowmeter are high in matching precision requirement and difficult to maintain and disassemble, and the existing flowmeter can be maintained only by damaging a clamping cover, and adopts a spiral buckle structure to connect an outer support and the outer shell through threads. In order to facilitate assembly, a polygon is arranged on the outer support, the outer support and the shell can be screwed tightly through a wrench, and the principle is similar to the installation and connection mode of a bayonet type bulb and a lamp holder. The outer support is in clearance fit with the shell, and the sealing ring is adopted to solve the sealing problem and reduce the matching precision requirement of the outer support and the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polygon fastening spiral buckle connected flowmeter relates to water treatment equipment, beverage machine technical field, especially relates to domestic water purifier field. BACKGROUND

[0002] The working principle of the flowmeter is that water flows into the inlet of the flowmeter, passes through the impeller inside the flowmeter, and then flows out from the outlet, as shown by the arrow in Figure 2 , the water flow drives the impeller to rotate, as shown in detail in Figure 2 , Figure 3 When the N and S poles on the magnet on the impeller 7 approach the electromagnetic inductor on the flowmeter, as shown in detail in Figure 2 No. 6, the electromagnetic inductor generates a pulse signal, and people use the pulse signal of the flowmeter for flow measurement.

[0003] Now the demand for flowmeters used in pipeline machines connected at the end of water purifiers is increasing year by year, Figure 6 The existing flowmeter has the following problems: 1. The inner support 22 and the outer shell 21 are in transition fit, and the fit size precision requirement is very high, often not loose or tight, which seriously affects the production and assembly efficiency. 2. It is very difficult to maintain, when the product assembly has quality problems, it needs to be reworked and repaired, it is very difficult to disassemble the inner support 22 from the outer shell 21, and the non-detachable cover 17 must be damaged to disassemble it. SUMMARY

[0004] In order to overcome the above-mentioned shortcomings of the existing flowmeter, the technical scheme of the utility model is mainly: as shown in detail in Figure 6 To solve the problem of high fit precision requirement of the inner support 22 and the outer shell 21, difficult maintenance and disassembly, and the need to damage the cover 17 for maintenance, as shown in Figure 2 , Figure 3 No. 11, No. 9, the outer support 11 and the outer shell 9 are connected by screw thread through the spiral buckle structure, a polygon 12 is arranged on the outer support 11 for convenience during assembly, the outer support 11 and the outer shell 9 can be tightened by using a wrench, and the installation and connection mode is similar to that of the bayonet type bulb and lamp holder. The outer support 11 and the outer shell 9 are in clearance fit, and the sealing ring 10 is used to solve the sealing problem and reduce the fit precision requirement of the outer support 11 and the outer shell 9.

[0005] The utility model discloses a specific technical scheme is: a kind of polygon fastening spiral buckle connection flowmeter, by clamping jaw, cover, outer support, sealing ring, insert magnet's impeller, shaft, electromagnetic inductor, shell composition;The water flow of flowmeter passes through water inlet and reaches water outlet through impeller, water flow pushes impeller rotation and drives the magnet movement on it, and pulse signal is generated when electromagnetic inductor senses the magnetic field of magnet;Its characterized in that: polygon is equipped on the outer support, screw thread is equipped on the outer support, the outer support is connected with shell through screw thread using spiral buckle structure, recess is equipped on the outer support, and sealing ring is equipped in the recess.

[0006] Screw thread on the outer support is connected with the shell through sealing ring, screw groove opening, slide and screw buckle are equipped on the shell;Adopt spanner to hold the polygon on the outer support, make screw thread on the outer support follow the slide equipped on the shell, and the outer support is tightened and sealed with the shell;When tightening, screw thread on the outer support is engaged into the screw opening of shell and falls into screw groove opening.

[0007] Recess is equipped on the shell, and the electromagnetic inductor is fixed using epoxy glue.

[0008] Shell shaft hole is equipped on the shell, outer support shaft hole is equipped on the outer support, shaft is equipped on the impeller, the shaft on the impeller is in the shaft hole between the outer support and the shell, and the shaft of impeller and shell shaft hole, outer support shaft hole form rotating dynamic cooperation.

[0009] The utility model has the advantages of:

[0010] Shell and outer support are connected using polygon fastening spiral buckle through sealing ring, reduce the cooperation precision requirement of shell and support, solve the problem of difficult disassembly of rework maintenance, improve production efficiency and reduce manufacturing cost. DRAWINGS

[0011] Figure 1 The utility model flowmeter appearance structure schematic view;

[0012] Figure 2 The utility model flowmeter sectional structure schematic view;

[0013] Figure 3 The utility model flowmeter structure explosion schematic view;

[0014] Figure 4 The utility model flowmeter shell internal structure schematic view;

[0015] Figure 5 The utility model flowmeter Figure 2 Partial enlarged schematic view;

[0016] Figure 6 Existing flowmeter structure schematic view;

[0017] In the utility model, the specification is attached Figure 1 to the attached Figure 6 Each number represents:

[0018] 1 pawl 2 cover 3 screw thread 4 support shaft hole 5 shaft 6 electromagnetic inductor 7 impeller 8 shell shaft hole 9 shell 10 sealing ring 11 outer support 12 polygon 13 screw slot opening 14 slide 15 screw buckle I local enlargement 3:1 magnification

[0019] 16 pawl 17 cover 18 impeller 19 magnet 20 electromagnetic inductor 21 shell 22 inner support Specific implementation

[0020] The utility model discloses a polygon fastening spiral buckle connects flowmeter's embodiment, and the details are Figures 1 to 6 :

[0021] A polygon fastening spiral buckle connects flowmeter, by pawl 1, cover 2, outer support 11, sealing ring 10, impeller (inlayed with magnet) 7, shaft 5, electromagnetic inductor 6, shell 9 are formed;The water flow of flowmeter passes through water inlet and reaches water outlet through impeller 7, and the water flow pushes impeller 7 to rotate and drives the magnet on it to move, and electromagnetic inductor 6 generates pulse signal when sensing the magnetic field of magnet;Its characterized in that: polygon 12 is equipped on the outer support 11, screw thread 3 is equipped on the outer support 11, and the outer support 11 is connected with shell 9 through screw thread 3 by adopting spiral buckle structure, recess is equipped on the outer support 11, and sealing ring 10 is equipped in the recess.

[0022] Screw thread 3 on the outer support 11 is connected with the shell 9 through sealing ring 10, and screw slot opening 13, slide 14 and screw buckle 15 are equipped on the shell 9;Adopting spanner clamping polygon 12 on the outer support 11 makes screw thread 3 on the outer support 11 along slide 14 equipped on the shell 9, and the outer support 11 is tightened and sealed with the shell 9;When tightening, screw thread 3 on the outer support 11 is engaged into screw buckle 15 of the shell 9 and falls into screw slot opening 13.

[0023] Recess is equipped on the shell 9, and the electromagnetic inductor 6 is fixed by using epoxy glue.

[0024] Shell shaft hole 8 is equipped on the shell 9, outer support shaft hole 4 is equipped on the outer support 11, shaft 5 is equipped on the impeller 7, and the shaft 5 on the impeller 7 is in the shaft hole between the outer support 11 and the shell 9, and the shaft 5 of the impeller 7 forms rotary dynamic cooperation with shell shaft hole 8 and outer support shaft hole 4.

[0025] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art should understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalent replacements, and the improvements and the like without creative labor should be included in the protection scope of the utility model.

Claims

1. A polygonal fastening spiral buckle connection flowmeter, comprising a clamping jaw, a clamping cover, an outer support, a sealing ring, an impeller embedded with a magnet, a shaft, an electromagnetic inductor, and a shell; water flow of the flowmeter passes through a water inlet, the impeller, and a water outlet, the water flow drives the impeller to rotate and the magnet on the impeller to move, and the electromagnetic inductor generates a pulse signal when it senses the magnetic field of the magnet; characterized in that: The outer support is provided with a polygon, the outer support is provided with a screw thread, the outer support and the shell are connected through the screw thread by adopting a screw buckle structure, the outer support is provided with a groove, and a sealing ring is arranged in the groove. ​ 2. A polygonal fastener spiral bead connection flow meter according to claim 1, characterized in that: The screw thread on the outer support is connected with the shell through the sealing ring, the shell is provided with a screw slot opening, a slide and a screw buckle, a polygon on the outer support is clamped by a wrench, the screw thread on the outer support is along the slide arranged on the shell, the outer support and the shell are tightened and sealed, and the screw thread on the outer support is engaged into the screw opening of the shell and falls into the screw slot opening when being tightened.

3. A polygonal fastener spiral bead flow meter according to claim 1, wherein: The shell is provided with a groove, and the electromagnetic inductor is fixed by adopting epoxy glue.

4. A polygonal fastener spiral bead flow meter according to claim 3, wherein: The shell is provided with a shell shaft hole, the outer support is provided with an outer support shaft hole, the impeller is provided with a shaft, the shaft of the impeller is in the shaft hole between the outer support and the shell, and the shaft of the impeller is in rotational driving cooperation with the shell shaft hole and the outer support shaft hole.

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