CN2349548Y - Ratchet digital direct-read type watermeter - Google Patents

Abstract

The utility model relates to a ratchet digital direct-read type water meter for metering tap water flow. An end cover is arranged on the upper part of a casing; a name plate and a water flow pointer are arranged below the end cover; the end cover and the casing are in screw connection, and are sealed to be fixed by lead sealing; a centrifugal-chamber in the lower part of the casing is provided with a wheel axle whose axle head extends into a central blind hole of a wing wheel to make the point contact; the bottom part of the centrifugal-chamber is provided with an adjustment plate, and the upper part is embedded into a net; a support frame is arranged in the case of a machine core of the upper part of the wing wheel; the upper end of the support frame is provided with an upper cover, and the lower end is provided with a lower cover in which a six-stage change gear set is arranged; a counter is fixedly arranged on the bottom surface of the support frame, and a meter cover is connected with a side ear of the end cover. The utility model has the advantages of novel structure, convenient installation and operation, obvious popularity, and direct reading property, and the conflict between the water supply party and the water consumption party can be reduced.

Description

Ratchet digital direct-reading type water meter

The utility model relates to a kind of ratchet digital direct-reading type water meter that the tap water flow is used that measures, and uses applicable to dress on huge numbers of families' running water pipe.

The water meter of the present metering tap water flow of using always, the eight bit pointer formula gauging tables that adopt more, be to constitute by 8 pointers on the spindle nose of housing, volute, wing wheel and 17 grades of speed gear groups and speed gear, eight discharge numerals of four below pointer is indicated respectively from the kilobit to the radix point are got up to be the discharge reading of this period of tabling look-up to the word arrangement of each units.The water meter of this structure, in use, it is very inconvenient to read continuous data, although is that the insider can not come into plain view and directly reads, and the somebody not can see this water meter, read to calculate all pretty troublesome, sometimes people checks meter and need be verified just by other people again and can copy read off, does not possess the popularity legibility, and the user is difficult to grasp to own water situation and understands, even also can produce some unnecessary disputes, all unfavorable in state in the people.

The purpose of this utility model provides a kind of improved ratchet digital direct-reading type water meter, to solve the problem that water meter measurement can not directly read.

The purpose of this utility model is achieved like this, and original water gauge is improved, and adopts six grades of speed gear groups and ratchet numeral decimal counter,, the flow that flows through water meter is counted automatically positive demonstration, other same original structures by worm gear, worm drive.

The utility model novel structure, easy to install, counting accurately directly reads, and supply and demand water both sides are clear for one time, have avoided unnecessary dispute, the society and economy remarkable benefit.

Below in conjunction with accompanying drawing structure of the present utility model is elaborated.

Fig. 1 is structure vertical view of the present utility model (removing the table lid).

Fig. 2 is a structural profile front view of the present utility model.

Fig. 3 is speed gear, worm gear, worm screw, counter connection combination stretch-out view.

Fig. 4 is decimal number counter structure figure.

Fig. 5 is that six grades of speed gear groups are connected constitutional diagram (removing top section) with worm gear, worm screw, counter.

By Fig. 1, shown in Figure 2, the utility model is that end cap 2 is equipped with on shell 1 top, nameplate 4 is housed below the end cap 2, current pointer 5, end cap 2 is threaded with shell 1 and has lead sealing 6 envelopes fixed, on the volute 21 in shell 1 bottom wheel shaft 17 is housed, its spindle nose stretches into some contact in wing wheel 20 central blind holes, volute 21 bottoms are equipped with and are adjusted plate 18, volute 21 top seam transition fit embed in the net 19, in the machine core shell 7 on wing wheel 20 tops support 9 is housed, there is loam cake 16 support 9 upper ends, there is lower cover 8 lower end, six grades of speed gear groups 15 are housed in the support 9, the upper end of its gear shaft is stretched in the blind hole of loam cake 16, the through hole that support 9 is passed in the lower end contacts with lower cover 8 point-like, counter 3 is installed on the bottom surface of support 9, table covers 14 and is connected on the picking up the ears of end cap 2 by split pin 10, loam cake 16 embeds in the top seam of machine core shell 7 with transition fit, the bottom of machine core shell 7 embeds in the last seam of volute 21 with transition fit, around loam cake 16 O-ring seal 11 is arranged, the glass table is housed above the O-ring seal covers 13, table covers 13 has gasket seal 12 all around and between the end cap 2, end cap 2 and shell 1 are for being threaded, and whole core section is compressed by end cap 2 and is sealed in the shell 1.

Provide by Fig. 3, six grades of speed gear groups 15 are to be made of gear 22 to 32, gear 22 is meshed with gear 23, the gear 24 coaxial with gear 23 is meshed with gear 25, the gear 29 coaxial with gear 25 is meshed with gear 26, the gear 30 coaxial with gear 26 is meshed with gear 31, the gear 27 coaxial with gear 31 is meshed with gear 28, on gear 28 coaxial gear 32 is housed, gear 32 is meshed with the worm gear on the counter 3 33, each gear shaft upper end is contained in (in the blind hole) on the loam cake 16, and the lower end is by through hole on the support 9 and lower cover 8 and contacts gear 23,24 axle passes dress current pointer 5 on loam cake 16 terminations.

Provide by Fig. 4, counter 3 is the decimal number word counter, be to constitute by the worm gear 33, gear 36,37, ratchet 35 and the digit wheel 38-42 that are contained on the support 34, support 34 bottoms dress decade ratchet 35, with ratchet 35 coaxial 0.1 figure place character wheel 38, units character wheel 39, tens character wheel 40, hundred figure place character wheels 41, the thousands digit character wheel 42 adorned in proper order that match on support 34 tops, digit wheel 38 is connected as a single entity with gear 37, gear 37 is meshed with gear 36, gear 36 coaxial going up are equipped with worm gear 33 outside support 34, ratchet 44 is arranged, scale 43 on each digit wheel.In above-mentioned each parts, its middle gear 22 numbers of teeth are 10, gear 23 numbers of teeth are 25, gear 24,29,30 numbers of teeth are 9, gear 25,26 numbers of teeth are 31, gear 27,28 numbers of teeth are 24, and gear 36 numbers of teeth are 12, and gear 37 numbers of teeth are 72, worm gear 33 numbers of teeth are 50, digit wheel ratchet 44 the right are 20, and the left side is 2, and decade ratchet 35 numbers of teeth are 6, digit wheel scale 44 is according to the even scale 0-9 of center 36 degree central angles tens word on the periphery of each digit wheel, evenly 20 ratchets of distribution of central angles are spent according to center 18 in right part side at wheel, stir two ratchets continuously at every turn, and digit wheel just rotates 36 degree, promptly rotate girth 1/10, that is this digit wheel rises one by the numeral of original indication, puts carry in the left side of digit wheel and stirs 2 of ratchets, and angle is identical with the right side; Respectively put 6 ratchets in decade ratchet 35 both sides, horizontal number is identical with the digit wheel ratchet.

The utility model is an amount of pressure of utilizing the water meter intake-outlet, force water stream is by net 19,40 water inlets on the volute 21 enter volute, in volute, form eddy current, utilize power drive wing wheel 20 rotations of the eddy current of water, wing wheel is by six grades of gear reductions, by worm and gear power is conducted to counter 3, the drive counter rotates, automatically count out the flow at the mouth of a river, the rotating speed of wing wheel 20 and counter 3 is proportional to the water flow of water delivering orifice, in the volute bottom flow control board 18 is housed, the levelling adjustable plate, the fine-tuning discharge that enters volute, change the size of vortex flow in the volute, and then change the size of eddy current power, reach the measuring accuracy error of the actual flow of metering of levelling counter and water delivering orifice.

In counting process, its transmission situation is, after eddy current impacts wing wheel 20 rotations, the gear 22 generation moving gear 23 coaxial with wing wheel 20 rotates, gear ratio 25: 1, spindle nose upper end at gear 23 is embedded with current indication 5, current indications is also rotated thereupon, and the gear 24 generation moving gear 25 coaxial with gear 23 rotates gear ratio 3.4444: 1, the gear 29 generation moving gear 26 coaxial with gear 25 rotates, gear ratio 3.4444: 1, the gear 30 generation moving gear 31 coaxial with gear 26 rotates gear ratio 3.3333: 1, the gear 27 generation moving gear 28 coaxial with gear 31 rotates, gear ratio 1: 1, the commutation conversion is rotated with gear 28 coaxial worm moving worm gear 33 of 32 generations, gear ratio 50: 1, the counter gear 36 generation moving gear 37 coaxial with worm gear 33 rotates, and gear ratio 6: 1 is because gear 37 is one with counter 0.1 digit wheel 38, so 0.1 digit wheel also rotates thereupon, begin counting.After 0.1 digit wheel 38 rotates a circle, two carry ratchets in digit wheel left side successively insert in the middle of decade ratchet right side, the position ratchet, individual position decade ratchet is stirred twice, the ratchet in decade ratchet left side, individual position is also stirred the ratchet on units character wheel 39 right sides twice thereupon, the units character wheel just rotates 36 degree, promptly rotate 1/10 of girth, the indicated number of individual position is risen one by original numeral.Other ten, hundred, the kilobit course of action with the position the same.

When individual, when ten, hundred, 1,004 scale numerals all are 9, along with 0.1 figure place character wheel rotates a week, 0.1 left side, position carry ratchet, stir a position decade ratchet, individual position decade ratchet is stirred the units character wheel simultaneously, the units character wheel rotates raise-position and becomes 0, rotation along with the units character wheel, the one's carry ratchet is stirred ten carry ratchets and is repeated above-mentioned action, moving hundred of chain generation, thousands digit character wheel rotate simultaneously, the scale numeral rises to 0000 by 9999, more than every raise-position action finish simultaneously.

Show by above-mentioned situation; the utility model is by ratchet numeric type decimal counter worm gear, worm drive; the flow that flows through water meter is counted automatically, and shown, come into plain view from the front of table; directly read; have significant popularity, legibility makes user and water supply side can not forbidden not conflict because of checking meter; conscientiously protected the legitimate rights and interests of both sides of supply and demand, it is applied must positive social effect and remarkable economic efficiency.

Claims (4)

1, ratchet digital direct-reading type water meter, be that end cap (2) is equipped with on shell (1) top, nameplate (4) is housed below the end cap (2), current pointer (5), end cap (2) is threaded with shell (1) and has lead sealing (6) envelope fixed, on the volute (21) in shell (1) bottom wheel shaft (17) is housed, its spindle nose stretches into some contact in wing wheel (20) central blind hole, volute (21) bottom is equipped with and is adjusted plate (18), volute (21) top seam transition fit embeds in the net (19), in the machine core shell (7) on wing wheel (20) top support (9) is housed, there is loam cake (16) support (9) upper end, there is lower cover (8) lower end, it is characterized in that being equipped with in the support (9) six grades of speed gear groups (15), the upper end of its gear shaft is stretched in the blind hole of loam cake (16), the through hole that support (9) is passed in the lower end contacts with lower cover (8) point-like, and counter (3) is installed on the bottom surface of support (9), and table lid (14) is connected on the picking up the ears of end cap (2) by split pin (10).

2, ratchet digital direct-reading type water meter according to claim 1, it is characterized in that said loam cake (16) embeds in the top seam of machine core shell (7) with transition fit, the bottom of machine core shell (7) embeds in the last seam of volute (21) with transition fit, O-ring seal (11) is arranged around loam cake (16), the glass table is housed above the O-ring seal covers (13), table covers (13) and gasket seal (12) arranged between the end cap (2) all around.

3, ratchet digital direct-reading type water meter according to claim 1, it is characterized in that said six grades of speed gear groups (15) are to be made of gear (22) to (32), the same gear of gear (22) (23) is meshed, gear (24) the same gear (25) coaxial with gear (23) is meshed, gear (29) the same gear (26) coaxial with gear (25) is meshed, gear (30) the same gear (31) coaxial with gear (26) is meshed, gear (27) the same gear (28) coaxial with gear (31) is meshed, on gear (28) coaxial gear (32) is housed, worm gear (33) on the same counter of gear (32) (3) is meshed, each gear shaft upper end is contained on the loam cake (16), the lower end is by through hole on the support (9) and lower cover (8) and contacts gear (23), (24) axle passes dress current pointers (5) on loam cake (16) termination.

4, ratchet digital direct-reading type water meter according to claim 1, it is characterized in that said counter (3) is the decimal number word counter, be by the worm gear (33) that is contained on the support (34), gear (36), (37), ratchet (35) and digit wheel (38)-(42) constitute, support (34) bottom dress decade ratchet (35), same ratchet (35) the coaxial 0.1 figure place character wheel (38) of adorning in proper order that matches on support (34) top, units character wheel (39), tens character wheel (40), hundred figure place character wheels (41), thousands digit character wheel (42), the same gear of digit wheel (38) (37) is connected as a single entity, the same gear of gear (37) (36) is meshed, coaxial the going up of gear (36) is equipped with worm gear (33) outside support (34), ratchet (44) is arranged on each digit wheel, scale (43).

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