Dustproof structure for electromagnetic water meter

Abstract

The utility model belongs to the technical field of detection instruments, and particularly relates to a dustproof structure for an electromagnetic water meter. A meter cover is hinged to the top of the water meter body. The side wall of the meter cover rotating shaft is fixedly connected with a connecting rod; a rubber strip is fixedly connected to the middle of the connecting rod, and the rubber strip is arranged in the middle of the connecting rod in a winding mode; a supporting plate is fixedly connected to the outer wall of the water meter body. A balancing weight is arranged in a matched manner, so that the problem that information of a display area is difficult to observe after the water meter main body is placed for a long time due to the fact that external dust is directly accumulated in the display area at the top of the water meter main body when a worker forgets to close the meter cover and the water meter main body subsequently can be solved; meanwhile, the problem of trouble in follow-up cleaning of the water meter body can be solved, under the action of the interior of the shell, the closing stability of the meter cover can be relieved, and information in the middle of the meter cover can be continuously observed when the meter cover is away from the water meter body in the follow-up process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection instrument, specifically a dustproof structure for electromagnetic water meter. BACKGROUND

[0002] The electromagnetic water meter is a high-precision metering instrument designed for the actual requirements of water supply enterprises, mainly having the characteristics of high precision, wide measurement range, high reliability and easy installation, and plays an important role in urban water supply and drainage and industrial water.

[0003] The working principle of the electromagnetic water meter is based on the principle of electromagnetic induction, and the induced electromotive force generated by the cutting of the magnetic force line by the water flow is used to calculate the water flow. At the same time, it needs to be installed away from the interference source, straight pipe section, appropriate height and specific type place.

[0004] Through long-term observation, the existing electromagnetic water meter top is usually provided with a cover and shields the dust from the outside world, but after using the electromagnetic water meter, it is inevitable to forget to close the cover due to negligence or carelessness, so that the cover is difficult to prevent dust from entering the electromagnetic water meter. Therefore, a dustproof structure for electromagnetic water meter is proposed for the above problems. SUMMARY

[0005] In order to make up for the shortcomings of the prior art and solve at least one technical problem in the background art, the utility model provides a dustproof structure for electromagnetic water meter.

[0006] The utility model adopts the technical scheme that the utility model discloses a dustproof structure for electromagnetic water meter, which comprises a water meter main body, a cover is hinged to the top of the water meter main body, a connecting rod is fixedly connected to the side wall of the rotating shaft of the cover, a rubber strip is fixedly connected to the middle of the connecting rod and is wound in the middle of the connecting rod, a supporting plate is fixedly connected to the outer wall of the water meter main body, a shell is fixedly connected to the top of the supporting plate, a counterweight is fixedly connected to the bottom of the rubber strip, a piston is fixedly connected to the bottom of the counterweight and is slidingly arranged on the inner wall of the shell, and two groups of rotating plates are connected to the end of the piston through torsional springs, and the rotating shaft of the rotating plate is arranged on one side of the bottom of the piston.

[0007] Preferably, a first bracket is fixedly connected to the outer wall of the water meter main body, a rotating ball is fixedly connected to the middle of the first bracket and is rotatably arranged on the side wall of the connecting rod, a pressing rod is fixedly connected to the top of the first bracket, a guide groove matched with the shape of the rubber strip is formed in the end of the pressing rod, and the rubber strip is arranged at the inner wall of the guide groove.

[0008] Preferably, a receiving groove is formed in the middle of the guide groove, two groups of spring rods are fixedly connected to the inner wall of the receiving groove, a rotating wheel is connected to the output end of the spring rod, and the rotating wheel is in contact with the middle of the rubber strip.

[0009] Preferably, the counterweight side wall is threadedly connected with a screw rod; and the end of the screw rod is fixedly connected with a counterweight.

[0010] Preferably, the cover side wall is fixedly connected with a shielding plate, and the middle part of the shielding plate is provided in a circular arc shape.

[0011] Preferably, the top of the rotating plate is fixedly connected with a clamping plate.

[0012] The utility model discloses beneficial effects of:

[0013] The utility model provides a dustproof structure for electromagnetic water meter, through the counterweight of cooperation and arrangement, can reduce the subsequent staff forgets and carries out the closing processing between the cover and water meter main body, makes the dust of outside directly accumulated in the display area of water meter main body top, makes the water meter main body long -time placement and is difficult to observe display area information's problem, can reduce the subsequent cleaning of water meter main body and appear troublesome's problem to the water meter main body, and under the effect of the shell inside, can slow down the stability that the cover carries out closing, makes the subsequent remote water meter main body can continuously observe the information in the middle part.

[0014] The utility model provides a dustproof structure for electromagnetic water meter, through the effect under the guide groove, can carry out the position limitation to the storage and the expansion area of rubber strip, and reduces the phenomenon that rubber strip appears bending and twisting when winding on the surface of connecting rod, and under the effect of rotating bead, can reduce the resistance produced when rotating the cover. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, and the illustrative embodiment of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0016] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;

[0017] Figure 2 It is the connecting rod structure schematic diagram in the utility model;

[0018] Figure 3 It is Figure 2 The enlarged view of A in the figure;

[0019] Figure 4 It is the shell structure schematic diagram in the utility model.

[0020] Legend:

[0021] 1, water meter body; 11, meter cover; 12, connecting rod; 13, rubber strip; 14, support plate; 15, shell; 16, counterweight; 17, piston; 18, rotating plate; 19, inner hole; 2, first support; 21, rotating ball; 22, pressure rod; 23, guide groove; 3, storage groove; 31, spring rod; 32, rotating wheel; 4, screw; 41, counterweight; 5, shielding plate; 6, clamping plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Specific embodiments are given below.

[0023] As Figures 1-4As shown, a dustproof structure for electromagnetic water meter, including water meter body 1, the top of the water meter body 1 is hinged with a cover 11, the side wall of the rotating shaft of the cover 11 is fixedly connected with a connecting rod 12, the middle part of the connecting rod 12 is fixedly connected with a rubber strip 13, and the rubber strip 13 is wound in the middle part of the connecting rod 12, the outer wall of the water meter body 1 is fixedly connected with a support plate 14, the top of the support plate 14 is fixedly connected with a shell 15, the bottom of the rubber strip 13 is fixedly connected with a counterweight 16, the bottom of the counterweight 16 is fixedly connected with a piston 17, and the piston 17 is slidingly arranged in the inner wall of the shell 15, the end of the piston 17 is torsionally connected with two groups of rotating plates 18, and the rotating shaft of the rotating plate 18 is arranged on one side of the bottom of the piston 17, the middle part of the rotating plate 18 is provided with an inner hole 19, when working, the staff needs to connect the two sides of the water meter body 1 with the water pipes outside, so that the subsequent water consumption can be observed through the display area on the top of the water meter body 1, the support plate 14 is arranged on the side wall of the water meter body 1, so that the support plate 14 can support the position of the shell 15, and when the shell 15 is used, an appropriate amount of liquid is added inside, so that the connecting rod 12 can be rotated synchronously during the process of pulling and turning the cover 11 by the staff, and the rubber strip 13 is wound on the middle part of the connecting rod 12, so that the shell 15 can bend the two groups of rotating plates 18 downward under the action of liquid resistance while moving upward, and quickly transfer the liquid in the top area of the rotating plate 18 to the bottom position, and when the staff forgets to close the cover 11, the piston 17 can move downward as a whole under the action of the weight of the counterweight 16, and the two groups of rotating plates 18 can be parallel to the bottom position of the piston 17 under the action of the torsional spring, and the side wall of the rotating plate 18 can abut against the piston 17 to limit the position of the rotating plate 18, so that the liquid at the bottom of the rotating plate 18 can only be transferred in position through the two groups of inner holes 19, thereby slowing down the closing speed of the cover 11, the counterweight 16 arranged in this step can reduce the problem that the staff forgets to close the cover 11 and the water meter body 1, so that the dust outside can directly accumulate in the display area on the top of the water meter body 1, so that it is difficult to observe the information in the display area after the water meter body 1 is placed for a long time, and the subsequent cleaning of the water meter body 1 can be reduced, and under the action of the shell 15 inside, the stability of the cover 11 during closing can be reduced, so that the information in the middle part can be continuously observed when the staff is far away from the water meter body 1.

[0024] As Figures 1-4As shown, the water meter body 1 outer wall is fixedly connected with the first support 2; the middle part of the first support 2 is fixedly connected with the rotating ball 21, and the rotating ball 21 is rotatably arranged on the side wall of the connecting rod 12; the top of the first support 2 is fixedly connected with the pressure rod 22; the end of the pressure rod 22 is provided with a guide groove 23 matched with the shape of the rubber strip 13, and the rubber strip 13 is arranged at the inner wall of the guide groove 23; during operation, the first support 2 arranged on the side wall of the water meter body 1 can support the position of the rotating ball 21, and when the connecting rod 12 rotates, the rotating ball 21 rotates in the area of the side wall of the connecting rod 12, and the inwardly arranged guide groove 23 can limit the position of the sliding rubber strip 13, and under the action of the pressure rod 22, the middle part of the rubber strip 13 is pressed down, so that the rubber strip 13 is tightly attached to the surface of the connecting rod 12. This step can limit the position of the storage and expansion area of the rubber strip 13 under the action of the guide groove 23, and can reduce the bending phenomenon of the rubber strip 13 when winding on the surface of the connecting rod 12, and under the action of the rotating ball 21, the resistance generated when rotating the cover 11 can be reduced.

[0025] As shown in the figure, Figures 1-4 The middle part of the guide groove 23 is provided with a receiving groove 3; two groups of spring rods 31 are fixedly connected to the inner wall of the receiving groove 3; the output end of the spring rod 31 is fixedly connected with a rotating wheel 32, and the rotating wheel 32 is in contact with the middle part of the rubber strip 13; during operation, the receiving groove 3 is arranged on the inner wall of the guide groove 23, and the rotating wheel 32 can be in deep contact with the surface of the rubber strip 13 under the action of the elastic force of the two groups of spring rods 31, and the rubber strip 13 can drive the rotating wheel 32 to rotate under the action of friction when moving or riding, and the two groups of spring rods 31 can press the rubber strip 13 and fit it in the middle part of the connecting rod 12. This step cooperates with the rotatable rotating wheel 32 to improve the wear generated when contacting the rubber strip 13, prolong the service life of the rubber strip 13, and improve the close fit between the rubber strip 13 and the connecting rod 12 under the action of the spring rod 31.

[0026] As shown in the figure, Figures 1-4 The side wall of the counterweight 16 is threadedly connected with a screw rod 4; the end of the screw rod 4 is fixedly connected with a counterweight 41; during operation, when the counterweight of the counterweight 16 needs to be increased or decreased, the counterweight 41 is rotated and connected to the side wall of the counterweight 16, and the position of the counterweight 41 is fixed by the screw rod 4. This step cooperates with the counterweight 41 to improve the flexibility of the counterweight 16 in use, and adjusts the force of the counterweight 16 by adjusting the gravity of the counterweight 16 to adjust the force of the counterweight 16, so as to facilitate the maintenance or installation of the counterweight 16.

[0027] As shown in the figure, Figures 1-4As shown, the side wall of the cover 11 is fixed with a shielding plate 5, and the middle part of the shielding plate 5 is arc-shaped. During operation, after the cover 11 and the water meter body 1 are closed, the arc-shaped shielding plate 5 can shield the impurities from the outside, and the shielding plate 5 arranged in this step can further improve the cleanliness of the display area in the middle part of the water meter body 1 and reduce the problem of dust entering from the connection between the cover 11 and the water meter body 1.

[0028] As shown, Figures 1-4 the top of the rotating plate 18 is fixed with a clamping plate 6; during operation, when the rotating plate 18 is closed with the side wall of the piston 17, the clamping plate 6 can limit the position of the rotating plate 18, and this step can further limit the position of the rotating plate 18 with the large clamping plate 6, thereby reducing the problem of deformation or deviation of the rotating plate 18.

[0029] Working principle: through the water meter body 1 both sides and the water pipe of outside world are connected together, can make subsequent through the display area of water meter body 1 top observes water condition, through being provided with support plate 14 in water meter body 1 side wall, support plate 14 can be positionally supported to shell 15, meanwhile, shell 15 is used, and appropriate liquid is added in the inside, so that subsequent staff in the process of pulling and overturning cover 11, connecting rod 12 can synchronous rotation, and rubber strip 13 partial area is wound on the middle part of connecting rod 12, so that shell 15 can bend two groups of rotating plate 18 downward while moving upward under the action of liquid resistance, and quickly transfer the liquid in the top area of rotating plate 18 to the bottom position, when subsequent staff forgets to close cover 11, under the action of the gravity of counterweight 16, piston 17 can move downward as a whole, and two groups of rotating plate 18 will be parallel to the bottom position of piston 17 under the action of torsional spring, and the side wall of rotating plate 18 is in contact with piston 17, which limits the position of rotating plate 18, so that the liquid at the bottom of rotating plate 18 can only be positionally transferred through two groups of inner holes 19, thereby slowing down the closing speed of cover 11, through being provided with first support 2 in the side wall of water meter body 1, the first support 2 fixedly arranged can positionally support rotating ball 21, and when connecting rod 12 rotates, rotating ball 21 will rotate in the side wall area of connecting rod 12, and the recessed guide groove 23 can limit the position of sliding rubber strip 13, and press the middle part of rubber strip 13 under the action of pressure rod 22, so that rubber strip 13 is tightly attached to the surface of connecting rod 12, by being provided with receiving groove 3 in the inner wall of guide groove 23, rotating wheel 32 can be in deep contact with the surface of rubber strip 13 under the action of the elasticity of two groups of spring rods 31, and rubber strip 13 can drive rotating wheel 32 to rotate under the action of friction force, and two groups of spring rods 31 press rubber strip 13 and fit in the middle part of connecting rod 12, by being provided with screw 4 in the side wall of counterweight 16, when the counterweight of counterweight 16 needs to be increased or decreased, the counterweight 41 with appropriate weight can be rotated and connected to the side wall of counterweight 16, and the position of counterweight 41 is fixed by screw 4, by being provided with shielding plate 5 in the side wall of cover 11, after cover 11 is closed with water meter body 1, arc-shaped shielding plate 5 can shield the impurities outside, by being provided with clamping plate 6 on the top of rotating plate 18, when rotating plate 18 is closed with the side wall of piston 17, clamping plate 6 can limit the position of rotating plate 18.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A dustproof structure for an electromagnetic water meter, comprising a water meter body (1); a meter cover (11) is hinged to the top of the water meter body (1); characterized in that: A connecting rod (12) is fixed to the side wall of the rotating shaft of the meter cover (11); a rubber strip (13) is fixed to the middle of the connecting rod (12), and the rubber strip (13) is wound around the middle of the connecting rod (12); a support plate (14) is fixed to the outer wall of the water meter body (1); a housing (15) is fixed to the top of the support plate (14); a counterweight (16) is fixed to the bottom of the rubber strip (13); a piston (17) is fixed to the bottom of the counterweight (16), and the piston (17) is slidably disposed on the inner wall of the housing (15); two sets of rotating plates (18) are connected to the end of the piston (17) by a torsion spring, and the rotating shaft of the rotating plate (18) is located on one side of the bottom of the piston (17); an inner hole (19) is opened in the middle of the rotating plate (18).

2. The dustproof structure for an electromagnetic water meter as described in claim 1, characterized in that: The water meter body (1) is fixed to the outer wall of a first bracket (2); a rotating ball (21) is fixed to the middle of the first bracket (2), and the rotating ball (21) is rotatably set on the side wall of the connecting rod (12); a pressure rod (22) is fixed to the top of the first bracket (2); a guide groove (23) matching the shape of the rubber strip (13) is opened at the end of the pressure rod (22), and the rubber strip (13) is set at the inner wall of the guide groove (23).

3. The dustproof structure for an electromagnetic water meter as described in claim 2, characterized in that: The guide groove (23) has a storage groove (3) in the middle; two sets of spring rods (31) are fixedly connected to the inner wall of the storage groove (3); the output end of the spring rod (31) is fixedly connected to a rotating wheel (32), and the rotating wheel (32) is in contact with the middle of the rubber strip (13).

4. The dustproof structure for an electromagnetic water meter as described in claim 1, characterized in that: The counterweight (16) has a screw (4) threadedly connected to its side wall; a counterweight (41) is fixedly connected to the end of the screw (4).

5. The dustproof structure for an electromagnetic water meter as described in claim 1, characterized in that: The cover (11) has a baffle plate (5) fixed to its side wall, and the baffle plate (5) is arc-shaped in the middle.

6. The dustproof structure for an electromagnetic water meter as described in claim 1, characterized in that: A clamping plate (6) is fixed to the top of the rotating plate (18).

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